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authorStephen Rothwell <sfr@canb.auug.org.au>2011-07-25 13:59:46 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-07-25 14:53:52 -0400
commit5f00bcb38ef9a980a33c6dbdc0044964b05f22dd (patch)
tree3175fb9375aecb50bde1be0bf4fa8aa8155131d6 /net
parent34006cee28f7344f9557a4be3816c7891b1bbab1 (diff)
parentb6844e8f64920cdee620157252169ba63afb0c89 (diff)
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Merge branch 'master' into devel and apply fixup from Stephen Rothwell:
vfs/nfs: fixup for nfs_open_context change Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
-rw-r--r--net/8021q/vlan.c19
-rw-r--r--net/8021q/vlan.h31
-rw-r--r--net/8021q/vlan_core.c46
-rw-r--r--net/8021q/vlan_dev.c14
-rw-r--r--net/8021q/vlanproc.c6
-rw-r--r--net/9p/client.c155
-rw-r--r--net/9p/mod.c4
-rw-r--r--net/9p/protocol.c44
-rw-r--r--net/9p/trans_virtio.c4
-rw-r--r--net/Kconfig1
-rw-r--r--net/Makefile1
-rw-r--r--net/TUNABLE50
-rw-r--r--net/appletalk/aarp.c138
-rw-r--r--net/appletalk/ddp.c380
-rw-r--r--net/atm/clip.c22
-rw-r--r--net/atm/mpc.c2
-rw-r--r--net/atm/pppoatm.c1
-rw-r--r--net/batman-adv/Kconfig1
-rw-r--r--net/batman-adv/aggregation.c73
-rw-r--r--net/batman-adv/aggregation.h13
-rw-r--r--net/batman-adv/bat_debugfs.c11
-rw-r--r--net/batman-adv/bat_sysfs.c102
-rw-r--r--net/batman-adv/bat_sysfs.h2
-rw-r--r--net/batman-adv/bitarray.c12
-rw-r--r--net/batman-adv/bitarray.h10
-rw-r--r--net/batman-adv/gateway_client.c268
-rw-r--r--net/batman-adv/gateway_client.h3
-rw-r--r--net/batman-adv/gateway_common.c25
-rw-r--r--net/batman-adv/hard-interface.c46
-rw-r--r--net/batman-adv/hard-interface.h20
-rw-r--r--net/batman-adv/hash.c7
-rw-r--r--net/batman-adv/hash.h6
-rw-r--r--net/batman-adv/icmp_socket.c4
-rw-r--r--net/batman-adv/main.c31
-rw-r--r--net/batman-adv/main.h85
-rw-r--r--net/batman-adv/originator.c36
-rw-r--r--net/batman-adv/originator.h18
-rw-r--r--net/batman-adv/packet.h142
-rw-r--r--net/batman-adv/ring_buffer.c4
-rw-r--r--net/batman-adv/ring_buffer.h2
-rw-r--r--net/batman-adv/routing.c376
-rw-r--r--net/batman-adv/routing.h15
-rw-r--r--net/batman-adv/send.c147
-rw-r--r--net/batman-adv/send.h14
-rw-r--r--net/batman-adv/soft-interface.c66
-rw-r--r--net/batman-adv/soft-interface.h5
-rw-r--r--net/batman-adv/translation-table.c1566
-rw-r--r--net/batman-adv/translation-table.h49
-rw-r--r--net/batman-adv/types.h74
-rw-r--r--net/batman-adv/unicast.c33
-rw-r--r--net/batman-adv/unicast.h8
-rw-r--r--net/batman-adv/vis.c104
-rw-r--r--net/bluetooth/Kconfig9
-rw-r--r--net/bluetooth/Makefile2
-rw-r--r--net/bluetooth/cmtp/capi.c3
-rw-r--r--net/bluetooth/hci_conn.c88
-rw-r--r--net/bluetooth/hci_core.c264
-rw-r--r--net/bluetooth/hci_event.c289
-rw-r--r--net/bluetooth/hci_sock.c70
-rw-r--r--net/bluetooth/hidp/core.c18
-rw-r--r--net/bluetooth/hidp/hidp.h1
-rw-r--r--net/bluetooth/l2cap_core.c1077
-rw-r--r--net/bluetooth/l2cap_sock.c442
-rw-r--r--net/bluetooth/lib.c23
-rw-r--r--net/bluetooth/mgmt.c281
-rw-r--r--net/bluetooth/rfcomm/sock.c6
-rw-r--r--net/bluetooth/sco.c4
-rw-r--r--net/bluetooth/smp.c702
-rw-r--r--net/bridge/br_device.c4
-rw-r--r--net/bridge/br_input.c6
-rw-r--r--net/bridge/br_multicast.c5
-rw-r--r--net/bridge/br_netfilter.c16
-rw-r--r--net/bridge/br_netlink.c15
-rw-r--r--net/caif/caif_dev.c1
-rw-r--r--net/caif/chnl_net.c2
-rw-r--r--net/can/af_can.c5
-rw-r--r--net/can/bcm.c1
-rw-r--r--net/ceph/ceph_fs.c17
-rw-r--r--net/ceph/crypto.c2
-rw-r--r--net/ceph/osd_client.c10
-rw-r--r--net/core/dev.c26
-rw-r--r--net/core/dst.c23
-rw-r--r--net/core/ethtool.c313
-rw-r--r--net/core/fib_rules.c6
-rw-r--r--net/core/neighbour.c191
-rw-r--r--net/core/net-sysfs.c2
-rw-r--r--net/core/net-traces.c2
-rw-r--r--net/core/net_namespace.c1
-rw-r--r--net/core/netpoll.c13
-rw-r--r--net/core/rtnetlink.c64
-rw-r--r--net/core/skbuff.c84
-rw-r--r--net/core/sock.c11
-rw-r--r--net/core/timestamping.c2
-rw-r--r--net/dcb/dcbnl.c677
-rw-r--r--net/dccp/ccid.c4
-rw-r--r--net/dccp/ccids/ccid2.c109
-rw-r--r--net/dccp/ccids/ccid2.h25
-rw-r--r--net/dccp/input.c61
-rw-r--r--net/dccp/output.c14
-rw-r--r--net/decnet/af_decnet.c697
-rw-r--r--net/decnet/dn_dev.c78
-rw-r--r--net/decnet/dn_fib.c81
-rw-r--r--net/decnet/dn_neigh.c42
-rw-r--r--net/decnet/dn_nsp_in.c182
-rw-r--r--net/decnet/dn_route.c143
-rw-r--r--net/decnet/dn_table.c23
-rw-r--r--net/decnet/netfilter/dn_rtmsg.c18
-rw-r--r--net/decnet/sysctl_net_decnet.c17
-rw-r--r--net/dsa/mv88e6131.c8
-rw-r--r--net/econet/af_econet.c172
-rw-r--r--net/ethernet/eth.c3
-rw-r--r--net/ieee802154/af_ieee802154.c2
-rw-r--r--net/ieee802154/dgram.c2
-rw-r--r--net/ieee802154/nl-phy.c31
-rw-r--r--net/ipv4/af_inet.c56
-rw-r--r--net/ipv4/arp.c41
-rw-r--r--net/ipv4/devinet.c6
-rw-r--r--net/ipv4/fib_frontend.c6
-rw-r--r--net/ipv4/fib_trie.c12
-rw-r--r--net/ipv4/gre.c1
-rw-r--r--net/ipv4/icmp.c14
-rw-r--r--net/ipv4/inet_diag.c2
-rw-r--r--net/ipv4/inet_lro.c74
-rw-r--r--net/ipv4/inetpeer.c293
-rw-r--r--net/ipv4/ip_fragment.c5
-rw-r--r--net/ipv4/ip_gre.c2
-rw-r--r--net/ipv4/ip_input.c4
-rw-r--r--net/ipv4/ip_output.c35
-rw-r--r--net/ipv4/ipconfig.c75
-rw-r--r--net/ipv4/ipmr.c3
-rw-r--r--net/ipv4/netfilter.c60
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c26
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c14
-rw-r--r--net/ipv4/netfilter/nf_defrag_ipv4.c2
-rw-r--r--net/ipv4/netfilter/nf_nat_snmp_basic.c210
-rw-r--r--net/ipv4/netfilter/nf_nat_standalone.c2
-rw-r--r--net/ipv4/raw.c36
-rw-r--r--net/ipv4/route.c94
-rw-r--r--net/ipv4/syncookies.c1
-rw-r--r--net/ipv4/sysctl_net_ipv4.c14
-rw-r--r--net/ipv4/tcp.c10
-rw-r--r--net/ipv4/tcp_input.c46
-rw-r--r--net/ipv4/tcp_ipv4.c11
-rw-r--r--net/ipv4/tcp_minisocks.c6
-rw-r--r--net/ipv4/udp.c15
-rw-r--r--net/ipv4/xfrm4_output.c7
-rw-r--r--net/ipv4/xfrm4_policy.c2
-rw-r--r--net/ipv6/addrconf.c55
-rw-r--r--net/ipv6/addrlabel.c9
-rw-r--r--net/ipv6/af_inet6.c2
-rw-r--r--net/ipv6/ip6_fib.c5
-rw-r--r--net/ipv6/ip6_output.c58
-rw-r--r--net/ipv6/ip6mr.c3
-rw-r--r--net/ipv6/ndisc.c16
-rw-r--r--net/ipv6/raw.c145
-rw-r--r--net/ipv6/route.c110
-rw-r--r--net/ipv6/sit.c4
-rw-r--r--net/ipv6/syncookies.c1
-rw-r--r--net/ipv6/tcp_ipv6.c5
-rw-r--r--net/ipv6/udp.c7
-rw-r--r--net/irda/af_irda.c4
-rw-r--r--net/irda/ircomm/ircomm_tty_attach.c2
-rw-r--r--net/irda/irda_device.c2
-rw-r--r--net/irda/iriap.c8
-rw-r--r--net/irda/irlan/irlan_client.c10
-rw-r--r--net/irda/irlan/irlan_common.c10
-rw-r--r--net/irda/irlan/irlan_eth.c2
-rw-r--r--net/irda/irlan/irlan_provider.c10
-rw-r--r--net/irda/irqueue.c4
-rw-r--r--net/irda/irttp.c18
-rw-r--r--net/iucv/iucv.c7
-rw-r--r--net/key/af_key.c20
-rw-r--r--net/l2tp/l2tp_ip.c19
-rw-r--r--net/lapb/lapb_iface.c30
-rw-r--r--net/lapb/lapb_in.c881
-rw-r--r--net/mac80211/aes_ccm.c37
-rw-r--r--net/mac80211/aes_ccm.h2
-rw-r--r--net/mac80211/aes_cmac.c10
-rw-r--r--net/mac80211/aes_cmac.h2
-rw-r--r--net/mac80211/agg-rx.c21
-rw-r--r--net/mac80211/cfg.c62
-rw-r--r--net/mac80211/debugfs_key.c13
-rw-r--r--net/mac80211/driver-ops.h28
-rw-r--r--net/mac80211/driver-trace.h101
-rw-r--r--net/mac80211/ht.c6
-rw-r--r--net/mac80211/ieee80211_i.h36
-rw-r--r--net/mac80211/iface.c7
-rw-r--r--net/mac80211/key.c171
-rw-r--r--net/mac80211/key.h32
-rw-r--r--net/mac80211/mesh_pathtbl.c4
-rw-r--r--net/mac80211/mlme.c111
-rw-r--r--net/mac80211/pm.c51
-rw-r--r--net/mac80211/rc80211_minstrel.c9
-rw-r--r--net/mac80211/rc80211_minstrel.h12
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c7
-rw-r--r--net/mac80211/rx.c38
-rw-r--r--net/mac80211/scan.c48
-rw-r--r--net/mac80211/sta_info.h6
-rw-r--r--net/mac80211/tkip.c108
-rw-r--r--net/mac80211/tkip.h8
-rw-r--r--net/mac80211/tx.c17
-rw-r--r--net/mac80211/util.c90
-rw-r--r--net/mac80211/wme.c3
-rw-r--r--net/mac80211/wme.h5
-rw-r--r--net/mac80211/work.c2
-rw-r--r--net/mac80211/wpa.c92
-rw-r--r--net/netfilter/ipset/Kconfig10
-rw-r--r--net/netfilter/ipset/Makefile1
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ip.c35
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c38
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_port.c31
-rw-r--r--net/netfilter/ipset/ip_set_core.c166
-rw-r--r--net/netfilter/ipset/ip_set_hash_ip.c49
-rw-r--r--net/netfilter/ipset/ip_set_hash_ipport.c69
-rw-r--r--net/netfilter/ipset/ip_set_hash_ipportip.c73
-rw-r--r--net/netfilter/ipset/ip_set_hash_ipportnet.c137
-rw-r--r--net/netfilter/ipset/ip_set_hash_net.c88
-rw-r--r--net/netfilter/ipset/ip_set_hash_netiface.c786
-rw-r--r--net/netfilter/ipset/ip_set_hash_netport.c119
-rw-r--r--net/netfilter/ipset/ip_set_list_set.c106
-rw-r--r--net/netfilter/ipset/pfxlen.c23
-rw-r--r--net/netfilter/ipvs/ip_vs_app.c14
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c78
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c28
-rw-r--r--net/netfilter/ipvs/ip_vs_est.c13
-rw-r--r--net/netfilter/ipvs/ip_vs_ftp.c52
-rw-r--r--net/netfilter/ipvs/ip_vs_proto.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_sync.c13
-rw-r--r--net/netfilter/nf_conntrack_netlink.c4
-rw-r--r--net/netfilter/nfnetlink.c40
-rw-r--r--net/netfilter/nfnetlink_queue.c170
-rw-r--r--net/netfilter/xt_AUDIT.c5
-rw-r--r--net/netfilter/xt_CT.c11
-rw-r--r--net/netfilter/xt_HL.c64
-rw-r--r--net/netfilter/xt_RATEEST.c8
-rw-r--r--net/netfilter/xt_hl.c32
-rw-r--r--net/netfilter/xt_set.c153
-rw-r--r--net/netlabel/netlabel_unlabeled.c10
-rw-r--r--net/netlink/af_netlink.c20
-rw-r--r--net/netlink/genetlink.c2
-rw-r--r--net/netrom/nr_route.c22
-rw-r--r--net/nfc/Kconfig16
-rw-r--r--net/nfc/Makefile7
-rw-r--r--net/nfc/af_nfc.c98
-rw-r--r--net/nfc/core.c468
-rw-r--r--net/nfc/netlink.c537
-rw-r--r--net/nfc/nfc.h117
-rw-r--r--net/nfc/rawsock.c354
-rw-r--r--net/packet/af_packet.c438
-rw-r--r--net/phonet/pn_netlink.c13
-rw-r--r--net/rds/bind.c4
-rw-r--r--net/rds/ib.h1
-rw-r--r--net/rds/ib_cm.c6
-rw-r--r--net/rds/ib_send.c4
-rw-r--r--net/rds/iw.h1
-rw-r--r--net/rds/iw_cm.c9
-rw-r--r--net/rds/iw_rdma.c9
-rw-r--r--net/rds/iw_send.c4
-rw-r--r--net/rds/send.c7
-rw-r--r--net/rds/tcp_stats.c2
-rw-r--r--net/rose/rose_link.c7
-rw-r--r--net/rose/rose_route.c5
-rw-r--r--net/sched/act_api.c11
-rw-r--r--net/sched/act_csum.c2
-rw-r--r--net/sched/act_gact.c3
-rw-r--r--net/sched/act_ipt.c2
-rw-r--r--net/sched/act_mirred.c2
-rw-r--r--net/sched/act_nat.c2
-rw-r--r--net/sched/act_pedit.c2
-rw-r--r--net/sched/act_police.c2
-rw-r--r--net/sched/act_simple.c3
-rw-r--r--net/sched/act_skbedit.c2
-rw-r--r--net/sched/cls_api.c12
-rw-r--r--net/sched/cls_basic.c2
-rw-r--r--net/sched/cls_cgroup.c2
-rw-r--r--net/sched/cls_flow.c6
-rw-r--r--net/sched/cls_fw.c2
-rw-r--r--net/sched/cls_route.c2
-rw-r--r--net/sched/cls_rsvp.h4
-rw-r--r--net/sched/cls_tcindex.c2
-rw-r--r--net/sched/cls_u32.c2
-rw-r--r--net/sched/em_meta.c7
-rw-r--r--net/sched/sch_api.c18
-rw-r--r--net/sched/sch_atm.c1
-rw-r--r--net/sched/sch_choke.c2
-rw-r--r--net/sched/sch_generic.c10
-rw-r--r--net/sched/sch_netem.c1
-rw-r--r--net/sched/sch_sfq.c2
-rw-r--r--net/sched/sch_teql.c4
-rw-r--r--net/sctp/associola.c6
-rw-r--r--net/sctp/bind_addr.c17
-rw-r--r--net/sctp/input.c3
-rw-r--r--net/sctp/ipv6.c2
-rw-r--r--net/sctp/output.c19
-rw-r--r--net/sctp/outqueue.c33
-rw-r--r--net/sctp/protocol.c163
-rw-r--r--net/sctp/sm_make_chunk.c55
-rw-r--r--net/sctp/sm_sideeffect.c22
-rw-r--r--net/sctp/sm_statefuns.c83
-rw-r--r--net/sctp/sm_statetable.c2
-rw-r--r--net/sctp/socket.c236
-rw-r--r--net/sctp/sysctl.c7
-rw-r--r--net/sctp/ulpevent.c16
-rw-r--r--net/sunrpc/auth.c2
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c46
-rw-r--r--net/sunrpc/clnt.c36
-rw-r--r--net/sunrpc/rpc_pipe.c14
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c1
-rw-r--r--net/sunrpc/xprtrdma/verbs.c1
-rw-r--r--net/tipc/bcast.c6
-rw-r--r--net/tipc/bearer.c1
-rw-r--r--net/tipc/bearer.h2
-rw-r--r--net/tipc/core.h6
-rw-r--r--net/tipc/link.c6
-rw-r--r--net/tipc/msg.c6
-rw-r--r--net/tipc/msg.h34
-rw-r--r--net/tipc/name_distr.c6
-rw-r--r--net/tipc/name_table.c289
-rw-r--r--net/tipc/name_table.h14
-rw-r--r--net/tipc/port.c284
-rw-r--r--net/tipc/socket.c3
-rw-r--r--net/unix/af_unix.c38
-rw-r--r--net/wireless/core.c12
-rw-r--r--net/wireless/core.h2
-rw-r--r--net/wireless/mlme.c15
-rw-r--r--net/wireless/nl80211.c259
-rw-r--r--net/wireless/nl80211.h4
-rw-r--r--net/wireless/scan.c17
-rw-r--r--net/x25/af_x25.c471
-rw-r--r--net/x25/x25_dev.c44
-rw-r--r--net/x25/x25_in.c118
-rw-r--r--net/x25/x25_link.c87
-rw-r--r--net/x25/x25_subr.c78
-rw-r--r--net/xfrm/xfrm_policy.c15
-rw-r--r--net/xfrm/xfrm_state.c2
-rw-r--r--net/xfrm/xfrm_user.c3
337 files changed, 14814 insertions, 7024 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 917ecb93ea2..8970ba139d7 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -18,6 +18,8 @@
* 2 of the License, or (at your option) any later version.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/capability.h>
#include <linux/module.h>
#include <linux/netdevice.h>
@@ -132,8 +134,6 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
vlan_gvrp_uninit_applicant(real_dev);
rcu_assign_pointer(real_dev->vlgrp, NULL);
- if (ops->ndo_vlan_rx_register)
- ops->ndo_vlan_rx_register(real_dev, NULL);
/* Free the group, after all cpu's are done. */
call_rcu(&grp->rcu, vlan_rcu_free);
@@ -149,13 +149,13 @@ int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
const struct net_device_ops *ops = real_dev->netdev_ops;
if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {
- pr_info("8021q: VLANs not supported on %s\n", name);
+ pr_info("VLANs not supported on %s\n", name);
return -EOPNOTSUPP;
}
if ((real_dev->features & NETIF_F_HW_VLAN_FILTER) &&
(!ops->ndo_vlan_rx_add_vid || !ops->ndo_vlan_rx_kill_vid)) {
- pr_info("8021q: Device %s has buggy VLAN hw accel\n", name);
+ pr_info("Device %s has buggy VLAN hw accel\n", name);
return -EOPNOTSUPP;
}
@@ -205,8 +205,6 @@ int register_vlan_dev(struct net_device *dev)
grp->nr_vlans++;
if (ngrp) {
- if (ops->ndo_vlan_rx_register && (real_dev->features & NETIF_F_HW_VLAN_RX))
- ops->ndo_vlan_rx_register(real_dev, ngrp);
rcu_assign_pointer(real_dev->vlgrp, ngrp);
}
if (real_dev->features & NETIF_F_HW_VLAN_FILTER)
@@ -344,13 +342,12 @@ static void __vlan_device_event(struct net_device *dev, unsigned long event)
case NETDEV_CHANGENAME:
vlan_proc_rem_dev(dev);
if (vlan_proc_add_dev(dev) < 0)
- pr_warning("8021q: failed to change proc name for %s\n",
- dev->name);
+ pr_warn("failed to change proc name for %s\n",
+ dev->name);
break;
case NETDEV_REGISTER:
if (vlan_proc_add_dev(dev) < 0)
- pr_warning("8021q: failed to add proc entry for %s\n",
- dev->name);
+ pr_warn("failed to add proc entry for %s\n", dev->name);
break;
case NETDEV_UNREGISTER:
vlan_proc_rem_dev(dev);
@@ -374,7 +371,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
if ((event == NETDEV_UP) &&
(dev->features & NETIF_F_HW_VLAN_FILTER) &&
dev->netdev_ops->ndo_vlan_rx_add_vid) {
- pr_info("8021q: adding VLAN 0 to HW filter on device %s\n",
+ pr_info("adding VLAN 0 to HW filter on device %s\n",
dev->name);
dev->netdev_ops->ndo_vlan_rx_add_vid(dev, 0);
}
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 9da07e30d1a..9fd45f3571f 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -74,6 +74,37 @@ static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
return netdev_priv(dev);
}
+static inline struct net_device *vlan_group_get_device(struct vlan_group *vg,
+ u16 vlan_id)
+{
+ struct net_device **array;
+ array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
+ return array ? array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] : NULL;
+}
+
+static inline void vlan_group_set_device(struct vlan_group *vg,
+ u16 vlan_id,
+ struct net_device *dev)
+{
+ struct net_device **array;
+ if (!vg)
+ return;
+ array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
+ array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
+}
+
+/* Must be invoked with rcu_read_lock or with RTNL. */
+static inline struct net_device *vlan_find_dev(struct net_device *real_dev,
+ u16 vlan_id)
+{
+ struct vlan_group *grp = rcu_dereference_rtnl(real_dev->vlgrp);
+
+ if (grp)
+ return vlan_group_get_device(grp, vlan_id);
+
+ return NULL;
+}
+
/* found in vlan_dev.c */
void vlan_dev_set_ingress_priority(const struct net_device *dev,
u32 skb_prio, u16 vlan_prio);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index fcc684678af..5f27f8e3025 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -63,6 +63,27 @@ bool vlan_do_receive(struct sk_buff **skbp)
return true;
}
+/* Must be invoked with rcu_read_lock or with RTNL. */
+struct net_device *__vlan_find_dev_deep(struct net_device *real_dev,
+ u16 vlan_id)
+{
+ struct vlan_group *grp = rcu_dereference_rtnl(real_dev->vlgrp);
+
+ if (grp) {
+ return vlan_group_get_device(grp, vlan_id);
+ } else {
+ /*
+ * Bonding slaves do not have grp assigned to themselves.
+ * Grp is assigned to bonding master instead.
+ */
+ if (netif_is_bond_slave(real_dev))
+ return __vlan_find_dev_deep(real_dev->master, vlan_id);
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(__vlan_find_dev_deep);
+
struct net_device *vlan_dev_real_dev(const struct net_device *dev)
{
return vlan_dev_info(dev)->real_dev;
@@ -75,31 +96,6 @@ u16 vlan_dev_vlan_id(const struct net_device *dev)
}
EXPORT_SYMBOL(vlan_dev_vlan_id);
-/* VLAN rx hw acceleration helper. This acts like netif_{rx,receive_skb}(). */
-int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
- u16 vlan_tci, int polling)
-{
- __vlan_hwaccel_put_tag(skb, vlan_tci);
- return polling ? netif_receive_skb(skb) : netif_rx(skb);
-}
-EXPORT_SYMBOL(__vlan_hwaccel_rx);
-
-gro_result_t vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp,
- unsigned int vlan_tci, struct sk_buff *skb)
-{
- __vlan_hwaccel_put_tag(skb, vlan_tci);
- return napi_gro_receive(napi, skb);
-}
-EXPORT_SYMBOL(vlan_gro_receive);
-
-gro_result_t vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
- unsigned int vlan_tci)
-{
- __vlan_hwaccel_put_tag(napi->skb, vlan_tci);
- return napi_gro_frags(napi);
-}
-EXPORT_SYMBOL(vlan_gro_frags);
-
static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
{
if (skb_cow(skb, skb_headroom(skb)) < 0)
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 7ea5cf9ea08..934e221c1d0 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -20,6 +20,8 @@
* 2 of the License, or (at your option) any later version.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
@@ -55,7 +57,7 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb)
return arp_find(veth->h_dest, skb);
#endif
default:
- pr_debug("%s: unable to resolve type %X addresses.\n",
+ pr_debug("%s: unable to resolve type %X addresses\n",
dev->name, ntohs(veth->h_vlan_encapsulated_proto));
memcpy(veth->h_source, dev->dev_addr, ETH_ALEN);
@@ -528,7 +530,11 @@ static int vlan_dev_init(struct net_device *dev)
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
- dev->hw_features = NETIF_F_ALL_TX_OFFLOADS;
+ dev->hw_features = NETIF_F_ALL_CSUM | NETIF_F_SG |
+ NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |
+ NETIF_F_HIGHDMA | NETIF_F_SCTP_CSUM |
+ NETIF_F_ALL_FCOE;
+
dev->features |= real_dev->vlan_features | NETIF_F_LLTX;
dev->gso_max_size = real_dev->gso_max_size;
@@ -586,9 +592,13 @@ static void vlan_dev_uninit(struct net_device *dev)
static u32 vlan_dev_fix_features(struct net_device *dev, u32 features)
{
struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+ u32 old_features = features;
features &= real_dev->features;
features &= real_dev->vlan_features;
+
+ features |= old_features & NETIF_F_SOFT_FEATURES;
+
if (dev_ethtool_get_rx_csum(real_dev))
features |= NETIF_F_RXCSUM;
features |= NETIF_F_LLTX;
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index d940c49d168..d34b6daf893 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -17,6 +17,8 @@
* Jan 20, 1998 Ben Greear Initial Version
*****************************************************************************/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -155,7 +157,7 @@ int __net_init vlan_proc_init(struct net *net)
return 0;
err:
- pr_err("%s: can't create entry in proc filesystem!\n", __func__);
+ pr_err("can't create entry in proc filesystem!\n");
vlan_proc_cleanup(net);
return -ENOBUFS;
}
@@ -229,7 +231,7 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
++*pos;
- dev = (struct net_device *)v;
+ dev = v;
if (v == SEQ_START_TOKEN)
dev = net_device_entry(&net->dev_base_head);
diff --git a/net/9p/client.c b/net/9p/client.c
index 9e3b0e640da..0505a03c374 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -72,23 +72,22 @@ inline int p9_is_proto_dotu(struct p9_client *clnt)
EXPORT_SYMBOL(p9_is_proto_dotu);
/* Interpret mount option for protocol version */
-static int get_protocol_version(const substring_t *name)
+static int get_protocol_version(char *s)
{
int version = -EINVAL;
- if (!strncmp("9p2000", name->from, name->to-name->from)) {
+ if (!strcmp(s, "9p2000")) {
version = p9_proto_legacy;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
- } else if (!strncmp("9p2000.u", name->from, name->to-name->from)) {
+ } else if (!strcmp(s, "9p2000.u")) {
version = p9_proto_2000u;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n");
- } else if (!strncmp("9p2000.L", name->from, name->to-name->from)) {
+ } else if (!strcmp(s, "9p2000.L")) {
version = p9_proto_2000L;
P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n");
- } else {
- P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ",
- name->from);
- }
+ } else
+ printk(KERN_INFO "9p: Unknown protocol version %s.\n", s);
+
return version;
}
@@ -106,6 +105,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
char *p;
substring_t args[MAX_OPT_ARGS];
int option;
+ char *s;
int ret = 0;
clnt->proto_version = p9_proto_2000u;
@@ -141,22 +141,41 @@ static int parse_opts(char *opts, struct p9_client *clnt)
clnt->msize = option;
break;
case Opt_trans:
- clnt->trans_mod = v9fs_get_trans_by_name(&args[0]);
- if(clnt->trans_mod == NULL) {
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
P9_DPRINTK(P9_DEBUG_ERROR,
- "Could not find request transport: %s\n",
- (char *) &args[0]);
+ "problem allocating copy of trans arg\n");
+ goto free_and_return;
+ }
+ clnt->trans_mod = v9fs_get_trans_by_name(s);
+ if (clnt->trans_mod == NULL) {
+ printk(KERN_INFO
+ "9p: Could not find "
+ "request transport: %s\n", s);
ret = -EINVAL;
+ kfree(s);
goto free_and_return;
}
+ kfree(s);
break;
case Opt_legacy:
clnt->proto_version = p9_proto_legacy;
break;
case Opt_version:
- ret = get_protocol_version(&args[0]);
- if (ret == -EINVAL)
+ s = match_strdup(&args[0]);
+ if (!s) {
+ ret = -ENOMEM;
+ P9_DPRINTK(P9_DEBUG_ERROR,
+ "problem allocating copy of version arg\n");
goto free_and_return;
+ }
+ ret = get_protocol_version(s);
+ if (ret == -EINVAL) {
+ kfree(s);
+ goto free_and_return;
+ }
+ kfree(s);
clnt->proto_version = ret;
break;
default:
@@ -280,7 +299,8 @@ struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag)
* buffer to read the data into */
tag++;
- BUG_ON(tag >= c->max_tag);
+ if(tag >= c->max_tag)
+ return NULL;
row = tag / P9_ROW_MAXTAG;
col = tag % P9_ROW_MAXTAG;
@@ -749,7 +769,7 @@ static int p9_client_version(struct p9_client *c)
err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version);
if (err) {
P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
@@ -821,8 +841,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
if (err)
goto destroy_fidpool;
- if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
- clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;
+ if (clnt->msize > clnt->trans_mod->maxsize)
+ clnt->msize = clnt->trans_mod->maxsize;
err = p9_client_version(clnt);
if (err)
@@ -911,7 +931,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -971,7 +991,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, uint16_t nwname,
err = p9pdu_readf(req->rc, clnt->proto_version, "R", &nwqids, &wqids);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto clunk_fid;
}
@@ -1038,7 +1058,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1081,7 +1101,7 @@ int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1126,7 +1146,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1165,7 +1185,7 @@ int p9_client_symlink(struct p9_fid *dfid, char *name, char *symtgt, gid_t gid,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1249,9 +1269,11 @@ int p9_client_clunk(struct p9_fid *fid)
P9_DPRINTK(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid);
p9_free_req(clnt, req);
- p9_fid_destroy(fid);
-
error:
+ /*
+ * Fid is not valid even after a failed clunk
+ */
+ p9_fid_destroy(fid);
return err;
}
EXPORT_SYMBOL(p9_client_clunk);
@@ -1281,6 +1303,29 @@ error:
}
EXPORT_SYMBOL(p9_client_remove);
+int p9_client_unlinkat(struct p9_fid *dfid, const char *name, int flags)
+{
+ int err = 0;
+ struct p9_req_t *req;
+ struct p9_client *clnt;
+
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TUNLINKAT fid %d %s %d\n",
+ dfid->fid, name, flags);
+
+ clnt = dfid->clnt;
+ req = p9_client_rpc(clnt, P9_TUNLINKAT, "dsd", dfid->fid, name, flags);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto error;
+ }
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RUNLINKAT fid %d %s\n", dfid->fid, name);
+
+ p9_free_req(clnt, req);
+error:
+ return err;
+}
+EXPORT_SYMBOL(p9_client_unlinkat);
+
int
p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
u32 count)
@@ -1318,11 +1363,12 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
+ P9_DUMP_PKT(1, req->rc);
if (!req->tc->pbuf_size) {
if (data) {
@@ -1386,7 +1432,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
err = p9pdu_readf(req->rc, clnt->proto_version, "d", &count);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1426,7 +1472,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
err = p9pdu_readf(req->rc, clnt->proto_version, "wS", &ignored, ret);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1477,7 +1523,7 @@ struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
err = p9pdu_readf(req->rc, clnt->proto_version, "A", ret);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1625,7 +1671,7 @@ int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb)
&sb->bsize, &sb->blocks, &sb->bfree, &sb->bavail,
&sb->files, &sb->ffree, &sb->fsid, &sb->namelen);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto error;
}
@@ -1643,7 +1689,8 @@ error:
}
EXPORT_SYMBOL(p9_client_statfs);
-int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name)
+int p9_client_rename(struct p9_fid *fid,
+ struct p9_fid *newdirfid, const char *name)
{
int err;
struct p9_req_t *req;
@@ -1670,6 +1717,36 @@ error:
}
EXPORT_SYMBOL(p9_client_rename);
+int p9_client_renameat(struct p9_fid *olddirfid, const char *old_name,
+ struct p9_fid *newdirfid, const char *new_name)
+{
+ int err;
+ struct p9_req_t *req;
+ struct p9_client *clnt;
+
+ err = 0;
+ clnt = olddirfid->clnt;
+
+ P9_DPRINTK(P9_DEBUG_9P, ">>> TRENAMEAT olddirfid %d old name %s"
+ " newdirfid %d new name %s\n", olddirfid->fid, old_name,
+ newdirfid->fid, new_name);
+
+ req = p9_client_rpc(clnt, P9_TRENAMEAT, "dsds", olddirfid->fid,
+ old_name, newdirfid->fid, new_name);
+ if (IS_ERR(req)) {
+ err = PTR_ERR(req);
+ goto error;
+ }
+
+ P9_DPRINTK(P9_DEBUG_9P, "<<< RRENAMEAT newdirfid %d new name %s\n",
+ newdirfid->fid, new_name);
+
+ p9_free_req(clnt, req);
+error:
+ return err;
+}
+EXPORT_SYMBOL(p9_client_renameat);
+
/*
* An xattrwalk without @attr_name gives the fid for the lisxattr namespace
*/
@@ -1701,7 +1778,7 @@ struct p9_fid *p9_client_xattrwalk(struct p9_fid *file_fid,
}
err = p9pdu_readf(req->rc, clnt->proto_version, "q", attr_size);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
p9_free_req(clnt, req);
goto clunk_fid;
}
@@ -1780,7 +1857,7 @@ int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset)
err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto free_and_error;
}
@@ -1817,7 +1894,7 @@ int p9_client_mknod_dotl(struct p9_fid *fid, char *name, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RMKNOD qid %x.%llx.%x\n", qid->type,
@@ -1848,7 +1925,7 @@ int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
err = p9pdu_readf(req->rc, clnt->proto_version, "Q", qid);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RMKDIR qid %x.%llx.%x\n", qid->type,
@@ -1883,7 +1960,7 @@ int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
err = p9pdu_readf(req->rc, clnt->proto_version, "b", status);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
@@ -1916,7 +1993,7 @@ int p9_client_getlock_dotl(struct p9_fid *fid, struct p9_getlock *glock)
&glock->start, &glock->length, &glock->proc_id,
&glock->client_id);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RGETLOCK type %i start %lld length %lld "
@@ -1944,7 +2021,7 @@ int p9_client_readlink(struct p9_fid *fid, char **target)
err = p9pdu_readf(req->rc, clnt->proto_version, "s", target);
if (err) {
- p9pdu_dump(1, req->rc);
+ P9_DUMP_PKT(1, req->rc);
goto error;
}
P9_DPRINTK(P9_DEBUG_9P, "<<< RREADLINK target %s\n", *target);
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 72c39827505..2664d129229 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -80,14 +80,14 @@ EXPORT_SYMBOL(v9fs_unregister_trans);
* @name: string identifying transport
*
*/
-struct p9_trans_module *v9fs_get_trans_by_name(const substring_t *name)
+struct p9_trans_module *v9fs_get_trans_by_name(char *s)
{
struct p9_trans_module *t, *found = NULL;
spin_lock(&v9fs_trans_lock);
list_for_each_entry(t, &v9fs_trans_list, list)
- if (strncmp(t->name, name->from, name->to-name->from) == 0 &&
+ if (strcmp(t->name, s) == 0 &&
try_module_get(t->owner)) {
found = t;
break;
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index a873277cb99..df58375ea6b 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -44,30 +44,24 @@ p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
void
p9pdu_dump(int way, struct p9_fcall *pdu)
{
- int i, n;
- u8 *data = pdu->sdata;
- int datalen = pdu->size;
- char buf[255];
- int buflen = 255;
-
- i = n = 0;
- if (datalen > (buflen-16))
- datalen = buflen-16;
- while (i < datalen) {
- n += scnprintf(buf + n, buflen - n, "%02x ", data[i]);
- if (i%4 == 3)
- n += scnprintf(buf + n, buflen - n, " ");
- if (i%32 == 31)
- n += scnprintf(buf + n, buflen - n, "\n");
-
- i++;
+ int len = pdu->size;
+
+ if ((p9_debug_level & P9_DEBUG_VPKT) != P9_DEBUG_VPKT) {
+ if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT) {
+ if (len > 32)
+ len = 32;
+ } else {
+ /* shouldn't happen */
+ return;
+ }
}
- n += scnprintf(buf + n, buflen - n, "\n");
if (way)
- P9_DPRINTK(P9_DEBUG_PKT, "[[[(%d) %s\n", datalen, buf);
+ print_hex_dump_bytes("[9P] ", DUMP_PREFIX_OFFSET, pdu->sdata,
+ len);
else
- P9_DPRINTK(P9_DEBUG_PKT, "]]](%d) %s\n", datalen, buf);
+ print_hex_dump_bytes("]9P[ ", DUMP_PREFIX_OFFSET, pdu->sdata,
+ len);
}
#else
void
@@ -610,7 +604,7 @@ int p9stat_read(char *buf, int len, struct p9_wstat *st, int proto_version)
ret = p9pdu_readf(&fake_pdu, proto_version, "S", st);
if (ret) {
P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
- p9pdu_dump(1, &fake_pdu);
+ P9_DUMP_PKT(0, &fake_pdu);
}
return ret;
@@ -632,11 +626,7 @@ int p9pdu_finalize(struct p9_fcall *pdu)
err = p9pdu_writef(pdu, 0, "d", size);
pdu->size = size;
-#ifdef CONFIG_NET_9P_DEBUG
- if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT)
- p9pdu_dump(0, pdu);
-#endif
-
+ P9_DUMP_PKT(0, pdu);
P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size,
pdu->id, pdu->tag);
@@ -669,7 +659,7 @@ int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
&dirent->d_off, &dirent->d_type, &nameptr);
if (ret) {
P9_DPRINTK(P9_DEBUG_9P, "<<< p9dirent_read failed: %d\n", ret);
- p9pdu_dump(1, &fake_pdu);
+ P9_DUMP_PKT(1, &fake_pdu);
goto out;
}
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 244e7074218..175b5135bdc 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -367,7 +367,7 @@ req_retry_pinned:
in += inp;
} else {
in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM, rdata,
- client->msize);
+ req->rc->capacity);
}
err = virtqueue_add_buf(chan->vq, chan->sg, out, in, req->tc);
@@ -592,7 +592,7 @@ static struct p9_trans_module p9_virtio_trans = {
.close = p9_virtio_close,
.request = p9_virtio_request,
.cancel = p9_virtio_cancel,
- .maxsize = PAGE_SIZE*16,
+ .maxsize = PAGE_SIZE*VIRTQUEUE_NUM,
.pref = P9_TRANS_PREF_PAYLOAD_SEP,
.def = 0,
.owner = THIS_MODULE,
diff --git a/net/Kconfig b/net/Kconfig
index 878151c772c..a0731484423 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -322,6 +322,7 @@ source "net/rfkill/Kconfig"
source "net/9p/Kconfig"
source "net/caif/Kconfig"
source "net/ceph/Kconfig"
+source "net/nfc/Kconfig"
endif # if NET
diff --git a/net/Makefile b/net/Makefile
index a51d9465e62..acdde4950de 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -68,3 +68,4 @@ obj-$(CONFIG_WIMAX) += wimax/
obj-$(CONFIG_DNS_RESOLVER) += dns_resolver/
obj-$(CONFIG_CEPH_LIB) += ceph/
obj-$(CONFIG_BATMAN_ADV) += batman-adv/
+obj-$(CONFIG_NFC) += nfc/
diff --git a/net/TUNABLE b/net/TUNABLE
deleted file mode 100644
index 9913211f07a..00000000000
--- a/net/TUNABLE
+++ /dev/null
@@ -1,50 +0,0 @@
-The following parameters should be tunable at compile time. Some of them
-exist as sysctls too.
-
-This is far from complete
-
-Item Description
-----------------------------------------------------------------------------
-MAX_LINKS Maximum number of netlink minor devices. (1-32)
-RIF_TABLE_SIZE Token ring RIF cache size (tunable)
-AARP_HASH_SIZE Size of Appletalk hash table (tunable)
-AX25_DEF_T1 AX.25 parameters. These are all tunable via
-AX25_DEF_T2 SIOCAX25SETPARMS
-AX25_DEF_T3 T1-T3,N2 have the meanings in the specification
-AX25_DEF_N2
-AX25_DEF_AXDEFMODE 8 = normal 128 is PE1CHL extended
-AX25_DEF_IPDEFMODE 'D' - datagram 'V' - virtual connection
-AX25_DEF_BACKOFF 'E'xponential 'L'inear
-AX25_DEF_NETROM Allow netrom 1=Y
-AX25_DF_TEXT Allow PID=Text 1=Y
-AX25_DEF_WINDOW Window for normal mode
-AX25_DEF_EWINDOW Window for PE1CHL mode
-AX25_DEF_DIGI 1 for inband 2 for cross band 3 for both
-AX25_DEF_CONMODE Allow connected modes 1=Yes
-AX25_ROUTE_MAX AX.25 route cache size - no currently tunable
-Unnamed (16) Number of protocol hash slots (tunable)
-DEV_NUMBUFFS Number of priority levels (not easily tunable)
-Unnamed (300) Maximum packet backlog queue (tunable)
-MAX_IOVEC Maximum number of iovecs in a message (tunable)
-MIN_WINDOW Offered minimum window (tunable)
-MAX_WINDOW Offered maximum window (tunable)
-MAX_HEADER Largest physical header (tunable)
-MAX_ADDR_LEN Largest physical address (tunable)
-SOCK_ARRAY_SIZE IP socket array hash size (tunable)
-IP_MAX_MEMBERSHIPS Largest number of groups per socket (BSD style) (tunable)
-16 Hard coded constant for amount of room allowed for
- cache align and faster forwarding (tunable)
-IP_FRAG_TIME Time we hold a fragment for. (tunable)
-PORT_MASQ_BEGIN First port reserved for masquerade (tunable)
-PORT_MASQ_END Last port used for masquerade (tunable)
-MASQUERADE_EXPIRE_TCP_FIN Time we keep a masquerade for after a FIN
-MASQUERADE_EXPIRE_UDP Time we keep a UDP masquerade for (tunable)
-MAXVIFS Maximum mrouted vifs (1-32)
-MFC_LINES Lines in the multicast router cache (tunable)
-
-NetROM parameters are tunable via an ioctl passing a struct
-
-4000 Size a Unix domain socket malloc falls back to
- (tunable) should be 8K - a bit for 8K machines like
- the ALPHA
-
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 50dce798132..1acc69576df 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -779,87 +779,87 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev,
}
switch (function) {
- case AARP_REPLY:
- if (!unresolved_count) /* Speed up */
- break;
-
- /* Find the entry. */
- a = __aarp_find_entry(unresolved[hash], dev, &sa);
- if (!a || dev != a->dev)
- break;
+ case AARP_REPLY:
+ if (!unresolved_count) /* Speed up */
+ break;
- /* We can fill one in - this is good. */
- memcpy(a->hwaddr, ea->hw_src, ETH_ALEN);
- __aarp_resolved(&unresolved[hash], a, hash);
- if (!unresolved_count)
- mod_timer(&aarp_timer,
- jiffies + sysctl_aarp_expiry_time);
+ /* Find the entry. */
+ a = __aarp_find_entry(unresolved[hash], dev, &sa);
+ if (!a || dev != a->dev)
break;
- case AARP_REQUEST:
- case AARP_PROBE:
+ /* We can fill one in - this is good. */
+ memcpy(a->hwaddr, ea->hw_src, ETH_ALEN);
+ __aarp_resolved(&unresolved[hash], a, hash);
+ if (!unresolved_count)
+ mod_timer(&aarp_timer,
+ jiffies + sysctl_aarp_expiry_time);
+ break;
+
+ case AARP_REQUEST:
+ case AARP_PROBE:
+
+ /*
+ * If it is my address set ma to my address and reply.
+ * We can treat probe and request the same. Probe
+ * simply means we shouldn't cache the querying host,
+ * as in a probe they are proposing an address not
+ * using one.
+ *
+ * Support for proxy-AARP added. We check if the
+ * address is one of our proxies before we toss the
+ * packet out.
+ */
+
+ sa.s_node = ea->pa_dst_node;
+ sa.s_net = ea->pa_dst_net;
+
+ /* See if we have a matching proxy. */
+ ma = __aarp_proxy_find(dev, &sa);
+ if (!ma)
+ ma = &ifa->address;
+ else { /* We need to make a copy of the entry. */
+ da.s_node = sa.s_node;
+ da.s_net = sa.s_net;
+ ma = &da;
+ }
+ if (function == AARP_PROBE) {
/*
- * If it is my address set ma to my address and reply.
- * We can treat probe and request the same. Probe
- * simply means we shouldn't cache the querying host,
- * as in a probe they are proposing an address not
- * using one.
- *
- * Support for proxy-AARP added. We check if the
- * address is one of our proxies before we toss the
- * packet out.
+ * A probe implies someone trying to get an
+ * address. So as a precaution flush any
+ * entries we have for this address.
*/
+ a = __aarp_find_entry(resolved[sa.s_node %
+ (AARP_HASH_SIZE - 1)],
+ skb->dev, &sa);
- sa.s_node = ea->pa_dst_node;
- sa.s_net = ea->pa_dst_net;
-
- /* See if we have a matching proxy. */
- ma = __aarp_proxy_find(dev, &sa);
- if (!ma)
- ma = &ifa->address;
- else { /* We need to make a copy of the entry. */
- da.s_node = sa.s_node;
- da.s_net = sa.s_net;
- ma = &da;
- }
-
- if (function == AARP_PROBE) {
- /*
- * A probe implies someone trying to get an
- * address. So as a precaution flush any
- * entries we have for this address.
- */
- a = __aarp_find_entry(resolved[sa.s_node %
- (AARP_HASH_SIZE - 1)],
- skb->dev, &sa);
-
- /*
- * Make it expire next tick - that avoids us
- * getting into a probe/flush/learn/probe/
- * flush/learn cycle during probing of a slow
- * to respond host addr.
- */
- if (a) {
- a->expires_at = jiffies - 1;
- mod_timer(&aarp_timer, jiffies +
- sysctl_aarp_tick_time);
- }
+ /*
+ * Make it expire next tick - that avoids us
+ * getting into a probe/flush/learn/probe/
+ * flush/learn cycle during probing of a slow
+ * to respond host addr.
+ */
+ if (a) {
+ a->expires_at = jiffies - 1;
+ mod_timer(&aarp_timer, jiffies +
+ sysctl_aarp_tick_time);
}
+ }
- if (sa.s_node != ma->s_node)
- break;
+ if (sa.s_node != ma->s_node)
+ break;
- if (sa.s_net && ma->s_net && sa.s_net != ma->s_net)
- break;
+ if (sa.s_net && ma->s_net && sa.s_net != ma->s_net)
+ break;
- sa.s_node = ea->pa_src_node;
- sa.s_net = ea->pa_src_net;
+ sa.s_node = ea->pa_src_node;
+ sa.s_net = ea->pa_src_net;
- /* aarp_my_address has found the address to use for us.
- */
- aarp_send_reply(dev, ma, &sa, ea->hw_src);
- break;
+ /* aarp_my_address has found the address to use for us.
+ */
+ aarp_send_reply(dev, ma, &sa, ea->hw_src);
+ break;
}
unlock:
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 956a5302002..b1fe7c35e8d 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -684,192 +684,192 @@ static int atif_ioctl(int cmd, void __user *arg)
atif = atalk_find_dev(dev);
switch (cmd) {
- case SIOCSIFADDR:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (sa->sat_family != AF_APPLETALK)
- return -EINVAL;
- if (dev->type != ARPHRD_ETHER &&
- dev->type != ARPHRD_LOOPBACK &&
- dev->type != ARPHRD_LOCALTLK &&
- dev->type != ARPHRD_PPP)
- return -EPROTONOSUPPORT;
-
- nr = (struct atalk_netrange *)&sa->sat_zero[0];
- add_route = 1;
-
- /*
- * if this is a point-to-point iface, and we already
- * have an iface for this AppleTalk address, then we
- * should not add a route
- */
- if ((dev->flags & IFF_POINTOPOINT) &&
- atalk_find_interface(sa->sat_addr.s_net,
- sa->sat_addr.s_node)) {
- printk(KERN_DEBUG "AppleTalk: point-to-point "
- "interface added with "
- "existing address\n");
- add_route = 0;
- }
+ case SIOCSIFADDR:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (sa->sat_family != AF_APPLETALK)
+ return -EINVAL;
+ if (dev->type != ARPHRD_ETHER &&
+ dev->type != ARPHRD_LOOPBACK &&
+ dev->type != ARPHRD_LOCALTLK &&
+ dev->type != ARPHRD_PPP)
+ return -EPROTONOSUPPORT;
+
+ nr = (struct atalk_netrange *)&sa->sat_zero[0];
+ add_route = 1;
- /*
- * Phase 1 is fine on LocalTalk but we don't do
- * EtherTalk phase 1. Anyone wanting to add it go ahead.
- */
- if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
- return -EPROTONOSUPPORT;
- if (sa->sat_addr.s_node == ATADDR_BCAST ||
- sa->sat_addr.s_node == 254)
- return -EINVAL;
- if (atif) {
- /* Already setting address */
- if (atif->status & ATIF_PROBE)
- return -EBUSY;
-
- atif->address.s_net = sa->sat_addr.s_net;
- atif->address.s_node = sa->sat_addr.s_node;
- atrtr_device_down(dev); /* Flush old routes */
- } else {
- atif = atif_add_device(dev, &sa->sat_addr);
- if (!atif)
- return -ENOMEM;
- }
- atif->nets = *nr;
-
- /*
- * Check if the chosen address is used. If so we
- * error and atalkd will try another.
- */
-
- if (!(dev->flags & IFF_LOOPBACK) &&
- !(dev->flags & IFF_POINTOPOINT) &&
- atif_probe_device(atif) < 0) {
- atif_drop_device(dev);
- return -EADDRINUSE;
- }
-
- /* Hey it worked - add the direct routes */
- sa = (struct sockaddr_at *)&rtdef.rt_gateway;
- sa->sat_family = AF_APPLETALK;
- sa->sat_addr.s_net = atif->address.s_net;
- sa->sat_addr.s_node = atif->address.s_node;
- sa = (struct sockaddr_at *)&rtdef.rt_dst;
- rtdef.rt_flags = RTF_UP;
- sa->sat_family = AF_APPLETALK;
- sa->sat_addr.s_node = ATADDR_ANYNODE;
- if (dev->flags & IFF_LOOPBACK ||
- dev->flags & IFF_POINTOPOINT)
- rtdef.rt_flags |= RTF_HOST;
-
- /* Routerless initial state */
- if (nr->nr_firstnet == htons(0) &&
- nr->nr_lastnet == htons(0xFFFE)) {
- sa->sat_addr.s_net = atif->address.s_net;
- atrtr_create(&rtdef, dev);
- atrtr_set_default(dev);
- } else {
- limit = ntohs(nr->nr_lastnet);
- if (limit - ntohs(nr->nr_firstnet) > 4096) {
- printk(KERN_WARNING "Too many routes/"
- "iface.\n");
- return -EINVAL;
- }
- if (add_route)
- for (ct = ntohs(nr->nr_firstnet);
- ct <= limit; ct++) {
- sa->sat_addr.s_net = htons(ct);
- atrtr_create(&rtdef, dev);
- }
- }
- dev_mc_add_global(dev, aarp_mcast);
- return 0;
+ /*
+ * if this is a point-to-point iface, and we already
+ * have an iface for this AppleTalk address, then we
+ * should not add a route
+ */
+ if ((dev->flags & IFF_POINTOPOINT) &&
+ atalk_find_interface(sa->sat_addr.s_net,
+ sa->sat_addr.s_node)) {
+ printk(KERN_DEBUG "AppleTalk: point-to-point "
+ "interface added with "
+ "existing address\n");
+ add_route = 0;
+ }
- case SIOCGIFADDR:
+ /*
+ * Phase 1 is fine on LocalTalk but we don't do
+ * EtherTalk phase 1. Anyone wanting to add it go ahead.
+ */
+ if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
+ return -EPROTONOSUPPORT;
+ if (sa->sat_addr.s_node == ATADDR_BCAST ||
+ sa->sat_addr.s_node == 254)
+ return -EINVAL;
+ if (atif) {
+ /* Already setting address */
+ if (atif->status & ATIF_PROBE)
+ return -EBUSY;
+
+ atif->address.s_net = sa->sat_addr.s_net;
+ atif->address.s_node = sa->sat_addr.s_node;
+ atrtr_device_down(dev); /* Flush old routes */
+ } else {
+ atif = atif_add_device(dev, &sa->sat_addr);
if (!atif)
- return -EADDRNOTAVAIL;
+ return -ENOMEM;
+ }
+ atif->nets = *nr;
- sa->sat_family = AF_APPLETALK;
- sa->sat_addr = atif->address;
- break;
+ /*
+ * Check if the chosen address is used. If so we
+ * error and atalkd will try another.
+ */
- case SIOCGIFBRDADDR:
- if (!atif)
- return -EADDRNOTAVAIL;
+ if (!(dev->flags & IFF_LOOPBACK) &&
+ !(dev->flags & IFF_POINTOPOINT) &&
+ atif_probe_device(atif) < 0) {
+ atif_drop_device(dev);
+ return -EADDRINUSE;
+ }
- sa->sat_family = AF_APPLETALK;
+ /* Hey it worked - add the direct routes */
+ sa = (struct sockaddr_at *)&rtdef.rt_gateway;
+ sa->sat_family = AF_APPLETALK;
+ sa->sat_addr.s_net = atif->address.s_net;
+ sa->sat_addr.s_node = atif->address.s_node;
+ sa = (struct sockaddr_at *)&rtdef.rt_dst;
+ rtdef.rt_flags = RTF_UP;
+ sa->sat_family = AF_APPLETALK;
+ sa->sat_addr.s_node = ATADDR_ANYNODE;
+ if (dev->flags & IFF_LOOPBACK ||
+ dev->flags & IFF_POINTOPOINT)
+ rtdef.rt_flags |= RTF_HOST;
+
+ /* Routerless initial state */
+ if (nr->nr_firstnet == htons(0) &&
+ nr->nr_lastnet == htons(0xFFFE)) {
sa->sat_addr.s_net = atif->address.s_net;
- sa->sat_addr.s_node = ATADDR_BCAST;
- break;
-
- case SIOCATALKDIFADDR:
- case SIOCDIFADDR:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (sa->sat_family != AF_APPLETALK)
+ atrtr_create(&rtdef, dev);
+ atrtr_set_default(dev);
+ } else {
+ limit = ntohs(nr->nr_lastnet);
+ if (limit - ntohs(nr->nr_firstnet) > 4096) {
+ printk(KERN_WARNING "Too many routes/"
+ "iface.\n");
return -EINVAL;
- atalk_dev_down(dev);
- break;
-
- case SIOCSARP:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (sa->sat_family != AF_APPLETALK)
- return -EINVAL;
- /*
- * for now, we only support proxy AARP on ELAP;
- * we should be able to do it for LocalTalk, too.
- */
- if (dev->type != ARPHRD_ETHER)
- return -EPROTONOSUPPORT;
-
- /*
- * atif points to the current interface on this network;
- * we aren't concerned about its current status (at
- * least for now), but it has all the settings about
- * the network we're going to probe. Consequently, it
- * must exist.
- */
- if (!atif)
- return -EADDRNOTAVAIL;
+ }
+ if (add_route)
+ for (ct = ntohs(nr->nr_firstnet);
+ ct <= limit; ct++) {
+ sa->sat_addr.s_net = htons(ct);
+ atrtr_create(&rtdef, dev);
+ }
+ }
+ dev_mc_add_global(dev, aarp_mcast);
+ return 0;
+
+ case SIOCGIFADDR:
+ if (!atif)
+ return -EADDRNOTAVAIL;
+
+ sa->sat_family = AF_APPLETALK;
+ sa->sat_addr = atif->address;
+ break;
+
+ case SIOCGIFBRDADDR:
+ if (!atif)
+ return -EADDRNOTAVAIL;
+
+ sa->sat_family = AF_APPLETALK;
+ sa->sat_addr.s_net = atif->address.s_net;
+ sa->sat_addr.s_node = ATADDR_BCAST;
+ break;
+
+ case SIOCATALKDIFADDR:
+ case SIOCDIFADDR:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (sa->sat_family != AF_APPLETALK)
+ return -EINVAL;
+ atalk_dev_down(dev);
+ break;
- nr = (struct atalk_netrange *)&(atif->nets);
- /*
- * Phase 1 is fine on Localtalk but we don't do
- * Ethertalk phase 1. Anyone wanting to add it go ahead.
- */
- if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
- return -EPROTONOSUPPORT;
+ case SIOCSARP:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (sa->sat_family != AF_APPLETALK)
+ return -EINVAL;
+ /*
+ * for now, we only support proxy AARP on ELAP;
+ * we should be able to do it for LocalTalk, too.
+ */
+ if (dev->type != ARPHRD_ETHER)
+ return -EPROTONOSUPPORT;
- if (sa->sat_addr.s_node == ATADDR_BCAST ||
- sa->sat_addr.s_node == 254)
- return -EINVAL;
+ /*
+ * atif points to the current interface on this network;
+ * we aren't concerned about its current status (at
+ * least for now), but it has all the settings about
+ * the network we're going to probe. Consequently, it
+ * must exist.
+ */
+ if (!atif)
+ return -EADDRNOTAVAIL;
- /*
- * Check if the chosen address is used. If so we
- * error and ATCP will try another.
- */
- if (atif_proxy_probe_device(atif, &(sa->sat_addr)) < 0)
- return -EADDRINUSE;
+ nr = (struct atalk_netrange *)&(atif->nets);
+ /*
+ * Phase 1 is fine on Localtalk but we don't do
+ * Ethertalk phase 1. Anyone wanting to add it go ahead.
+ */
+ if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
+ return -EPROTONOSUPPORT;
- /*
- * We now have an address on the local network, and
- * the AARP code will defend it for us until we take it
- * down. We don't set up any routes right now, because
- * ATCP will install them manually via SIOCADDRT.
- */
- break;
+ if (sa->sat_addr.s_node == ATADDR_BCAST ||
+ sa->sat_addr.s_node == 254)
+ return -EINVAL;
- case SIOCDARP:
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- if (sa->sat_family != AF_APPLETALK)
- return -EINVAL;
- if (!atif)
- return -EADDRNOTAVAIL;
+ /*
+ * Check if the chosen address is used. If so we
+ * error and ATCP will try another.
+ */
+ if (atif_proxy_probe_device(atif, &(sa->sat_addr)) < 0)
+ return -EADDRINUSE;
- /* give to aarp module to remove proxy entry */
- aarp_proxy_remove(atif->dev, &(sa->sat_addr));
- return 0;
+ /*
+ * We now have an address on the local network, and
+ * the AARP code will defend it for us until we take it
+ * down. We don't set up any routes right now, because
+ * ATCP will install them manually via SIOCADDRT.
+ */
+ break;
+
+ case SIOCDARP:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (sa->sat_family != AF_APPLETALK)
+ return -EINVAL;
+ if (!atif)
+ return -EADDRNOTAVAIL;
+
+ /* give to aarp module to remove proxy entry */
+ aarp_proxy_remove(atif->dev, &(sa->sat_addr));
+ return 0;
}
return copy_to_user(arg, &atreq, sizeof(atreq)) ? -EFAULT : 0;
@@ -884,25 +884,25 @@ static int atrtr_ioctl(unsigned int cmd, void __user *arg)
return -EFAULT;
switch (cmd) {
- case SIOCDELRT:
- if (rt.rt_dst.sa_family != AF_APPLETALK)
- return -EINVAL;
- return atrtr_delete(&((struct sockaddr_at *)
- &rt.rt_dst)->sat_addr);
-
- case SIOCADDRT: {
- struct net_device *dev = NULL;
- if (rt.rt_dev) {
- char name[IFNAMSIZ];
- if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
- return -EFAULT;
- name[IFNAMSIZ-1] = '\0';
- dev = __dev_get_by_name(&init_net, name);
- if (!dev)
- return -ENODEV;
- }
- return atrtr_create(&rt, dev);
+ case SIOCDELRT:
+ if (rt.rt_dst.sa_family != AF_APPLETALK)
+ return -EINVAL;
+ return atrtr_delete(&((struct sockaddr_at *)
+ &rt.rt_dst)->sat_addr);
+
+ case SIOCADDRT: {
+ struct net_device *dev = NULL;
+ if (rt.rt_dev) {
+ char name[IFNAMSIZ];
+ if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
+ return -EFAULT;
+ name[IFNAMSIZ-1] = '\0';
+ dev = __dev_get_by_name(&init_net, name);
+ if (!dev)
+ return -ENODEV;
}
+ return atrtr_create(&rt, dev);
+ }
}
return -EINVAL;
}
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 1d4be60e139..4bc8c67ecb1 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -271,10 +271,8 @@ static const struct neigh_ops clip_neigh_ops = {
.family = AF_INET,
.solicit = clip_neigh_solicit,
.error_report = clip_neigh_error,
- .output = dev_queue_xmit,
- .connected_output = dev_queue_xmit,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
+ .output = neigh_direct_output,
+ .connected_output = neigh_direct_output,
};
static int clip_constructor(struct neighbour *neigh)
@@ -364,33 +362,37 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct clip_priv *clip_priv = PRIV(dev);
+ struct dst_entry *dst = skb_dst(skb);
struct atmarp_entry *entry;
+ struct neighbour *n;
struct atm_vcc *vcc;
int old;
unsigned long flags;
pr_debug("(skb %p)\n", skb);
- if (!skb_dst(skb)) {
+ if (!dst) {
pr_err("skb_dst(skb) == NULL\n");
dev_kfree_skb(skb);
dev->stats.tx_dropped++;
return NETDEV_TX_OK;
}
- if (!skb_dst(skb)->neighbour) {
+ n = dst_get_neighbour(dst);
+ if (!n) {
#if 0
- skb_dst(skb)->neighbour = clip_find_neighbour(skb_dst(skb), 1);
- if (!skb_dst(skb)->neighbour) {
+ n = clip_find_neighbour(skb_dst(skb), 1);
+ if (!n) {
dev_kfree_skb(skb); /* lost that one */
dev->stats.tx_dropped++;
return 0;
}
+ dst_set_neighbour(dst, n);
#endif
pr_err("NO NEIGHBOUR !\n");
dev_kfree_skb(skb);
dev->stats.tx_dropped++;
return NETDEV_TX_OK;
}
- entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
+ entry = NEIGH2ENTRY(n);
if (!entry->vccs) {
if (time_after(jiffies, entry->expires)) {
/* should be resolved */
@@ -407,7 +409,7 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,
}
pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
- pr_debug("using neighbour %p, vcc %p\n", skb_dst(skb)->neighbour, vcc);
+ pr_debug("using neighbour %p, vcc %p\n", n, vcc);
if (entry->vccs->encap) {
void *here;
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 3ccca42e6f9..aa972409f09 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -1005,7 +1005,7 @@ static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
struct mpoa_client *mpc;
struct lec_priv *priv;
- dev = (struct net_device *)dev_ptr;
+ dev = dev_ptr;
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index e9aced0ec56..db4a11c61d1 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c
@@ -37,6 +37,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/atm.h>
diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig
index 6c051ad833e..2b68d068eaf 100644
--- a/net/batman-adv/Kconfig
+++ b/net/batman-adv/Kconfig
@@ -5,6 +5,7 @@
config BATMAN_ADV
tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
depends on NET
+ select CRC16
default n
---help---
diff --git a/net/batman-adv/aggregation.c b/net/batman-adv/aggregation.c
index a8c32030527..69467fe71ff 100644
--- a/net/batman-adv/aggregation.c
+++ b/net/batman-adv/aggregation.c
@@ -20,28 +20,26 @@
*/
#include "main.h"
+#include "translation-table.h"
#include "aggregation.h"
#include "send.h"
#include "routing.h"
#include "hard-interface.h"
-/* calculate the size of the tt information for a given packet */
-static int tt_len(struct batman_packet *batman_packet)
-{
- return batman_packet->num_tt * ETH_ALEN;
-}
-
/* return true if new_packet can be aggregated with forw_packet */
-static bool can_aggregate_with(struct batman_packet *new_batman_packet,
+static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
+ struct bat_priv *bat_priv,
int packet_len,
unsigned long send_time,
bool directlink,
- struct hard_iface *if_incoming,
- struct forw_packet *forw_packet)
+ const struct hard_iface *if_incoming,
+ const struct forw_packet *forw_packet)
{
struct batman_packet *batman_packet =
(struct batman_packet *)forw_packet->skb->data;
int aggregated_bytes = forw_packet->packet_len + packet_len;
+ struct hard_iface *primary_if = NULL;
+ bool res = false;
/**
* we can aggregate the current packet to this aggregated packet
@@ -66,6 +64,10 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
* packet
*/
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
/* packets without direct link flag and high TTL
* are flooded through the net */
if ((!directlink) &&
@@ -75,8 +77,10 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
/* own packets originating non-primary
* interfaces leave only that interface */
((!forw_packet->own) ||
- (forw_packet->if_incoming->if_num == 0)))
- return true;
+ (forw_packet->if_incoming == primary_if))) {
+ res = true;
+ goto out;
+ }
/* if the incoming packet is sent via this one
* interface only - we still can aggregate */
@@ -89,16 +93,22 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
* (= secondary interface packets in general) */
(batman_packet->flags & DIRECTLINK ||
(forw_packet->own &&
- forw_packet->if_incoming->if_num != 0)))
- return true;
+ forw_packet->if_incoming != primary_if))) {
+ res = true;
+ goto out;
+ }
}
- return false;
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ return res;
}
/* create a new aggregated packet and add this packet to it */
-static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
- unsigned long send_time, bool direct_link,
+static void new_aggregated_packet(const unsigned char *packet_buff,
+ int packet_len, unsigned long send_time,
+ bool direct_link,
struct hard_iface *if_incoming,
int own_packet)
{
@@ -118,7 +128,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
}
}
- forw_packet_aggr = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
+ forw_packet_aggr = kmalloc(sizeof(*forw_packet_aggr), GFP_ATOMIC);
if (!forw_packet_aggr) {
if (!own_packet)
atomic_inc(&bat_priv->batman_queue_left);
@@ -150,7 +160,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
forw_packet_aggr->own = own_packet;
forw_packet_aggr->if_incoming = if_incoming;
forw_packet_aggr->num_packets = 0;
- forw_packet_aggr->direct_link_flags = 0;
+ forw_packet_aggr->direct_link_flags = NO_FLAGS;
forw_packet_aggr->send_time = send_time;
/* save packet direct link flag status */
@@ -176,8 +186,7 @@ out:
/* aggregate a new packet into the existing aggregation */
static void aggregate(struct forw_packet *forw_packet_aggr,
- unsigned char *packet_buff,
- int packet_len,
+ const unsigned char *packet_buff, int packet_len,
bool direct_link)
{
unsigned char *skb_buff;
@@ -195,7 +204,7 @@ static void aggregate(struct forw_packet *forw_packet_aggr,
void add_bat_packet_to_list(struct bat_priv *bat_priv,
unsigned char *packet_buff, int packet_len,
- struct hard_iface *if_incoming, char own_packet,
+ struct hard_iface *if_incoming, int own_packet,
unsigned long send_time)
{
/**
@@ -215,6 +224,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
hlist_for_each_entry(forw_packet_pos, tmp_node,
&bat_priv->forw_bat_list, list) {
if (can_aggregate_with(batman_packet,
+ bat_priv,
packet_len,
send_time,
direct_link,
@@ -253,8 +263,9 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
}
/* unpack the aggregated packets and process them one by one */
-void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
- int packet_len, struct hard_iface *if_incoming)
+void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
+ unsigned char *packet_buff, int packet_len,
+ struct hard_iface *if_incoming)
{
struct batman_packet *batman_packet;
int buff_pos = 0;
@@ -263,18 +274,20 @@ void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
batman_packet = (struct batman_packet *)packet_buff;
do {
- /* network to host order for our 32bit seqno, and the
- orig_interval. */
+ /* network to host order for our 32bit seqno and the
+ orig_interval */
batman_packet->seqno = ntohl(batman_packet->seqno);
+ batman_packet->tt_crc = ntohs(batman_packet->tt_crc);
tt_buff = packet_buff + buff_pos + BAT_PACKET_LEN;
- receive_bat_packet(ethhdr, batman_packet,
- tt_buff, tt_len(batman_packet),
- if_incoming);
- buff_pos += BAT_PACKET_LEN + tt_len(batman_packet);
+ receive_bat_packet(ethhdr, batman_packet, tt_buff, if_incoming);
+
+ buff_pos += BAT_PACKET_LEN +
+ tt_len(batman_packet->tt_num_changes);
+
batman_packet = (struct batman_packet *)
(packet_buff + buff_pos);
} while (aggregated_packet(buff_pos, packet_len,
- batman_packet->num_tt));
+ batman_packet->tt_num_changes));
}
diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h
index 7e6d72fbf54..216337bb841 100644
--- a/net/batman-adv/aggregation.h
+++ b/net/batman-adv/aggregation.h
@@ -25,9 +25,11 @@
#include "main.h"
/* is there another aggregated packet here? */
-static inline int aggregated_packet(int buff_pos, int packet_len, int num_tt)
+static inline int aggregated_packet(int buff_pos, int packet_len,
+ int tt_num_changes)
{
- int next_buff_pos = buff_pos + BAT_PACKET_LEN + (num_tt * ETH_ALEN);
+ int next_buff_pos = buff_pos + BAT_PACKET_LEN + (tt_num_changes *
+ sizeof(struct tt_change));
return (next_buff_pos <= packet_len) &&
(next_buff_pos <= MAX_AGGREGATION_BYTES);
@@ -35,9 +37,10 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_tt)
void add_bat_packet_to_list(struct bat_priv *bat_priv,
unsigned char *packet_buff, int packet_len,
- struct hard_iface *if_incoming, char own_packet,
+ struct hard_iface *if_incoming, int own_packet,
unsigned long send_time);
-void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
- int packet_len, struct hard_iface *if_incoming);
+void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
+ unsigned char *packet_buff, int packet_len,
+ struct hard_iface *if_incoming);
#endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */
diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index abaeec5f624..d0af9bf69e4 100644
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -50,7 +50,8 @@ static void emit_log_char(struct debug_log *debug_log, char c)
debug_log->log_start = debug_log->log_end - log_buff_len;
}
-static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
+__printf(2, 3)
+static int fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
{
va_list args;
static char debug_log_buf[256];
@@ -74,14 +75,14 @@ static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
return 0;
}
-int debug_log(struct bat_priv *bat_priv, char *fmt, ...)
+int debug_log(struct bat_priv *bat_priv, const char *fmt, ...)
{
va_list args;
char tmp_log_buf[256];
va_start(args, fmt);
vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
- fdebug_log(bat_priv->debug_log, "[%10u] %s",
+ fdebug_log(bat_priv->debug_log, "[%10lu] %s",
(jiffies / HZ), tmp_log_buf);
va_end(args);
@@ -114,7 +115,7 @@ static ssize_t log_read(struct file *file, char __user *buf,
!(debug_log->log_end - debug_log->log_start))
return -EAGAIN;
- if ((!buf) || (count < 0))
+ if (!buf)
return -EINVAL;
if (count == 0)
@@ -184,7 +185,7 @@ static int debug_log_setup(struct bat_priv *bat_priv)
if (!bat_priv->debug_dir)
goto err;
- bat_priv->debug_log = kzalloc(sizeof(struct debug_log), GFP_ATOMIC);
+ bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
if (!bat_priv->debug_log)
goto err;
diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c
index 497a0700cc3..cd15deba60a 100644
--- a/net/batman-adv/bat_sysfs.c
+++ b/net/batman-adv/bat_sysfs.c
@@ -28,9 +28,31 @@
#include "gateway_client.h"
#include "vis.h"
-#define to_dev(obj) container_of(obj, struct device, kobj)
-#define kobj_to_netdev(obj) to_net_dev(to_dev(obj->parent))
-#define kobj_to_batpriv(obj) netdev_priv(kobj_to_netdev(obj))
+static struct net_device *kobj_to_netdev(struct kobject *obj)
+{
+ struct device *dev = container_of(obj->parent, struct device, kobj);
+ return to_net_dev(dev);
+}
+
+static struct bat_priv *kobj_to_batpriv(struct kobject *obj)
+{
+ struct net_device *net_dev = kobj_to_netdev(obj);
+ return netdev_priv(net_dev);
+}
+
+#define UEV_TYPE_VAR "BATTYPE="
+#define UEV_ACTION_VAR "BATACTION="
+#define UEV_DATA_VAR "BATDATA="
+
+static char *uev_action_str[] = {
+ "add",
+ "del",
+ "change"
+};
+
+static char *uev_type_str[] = {
+ "gw"
+};
/* Use this, if you have customized show and store functions */
#define BAT_ATTR(_name, _mode, _show, _store) \
@@ -96,7 +118,7 @@ ssize_t show_##_name(struct kobject *kobj, struct attribute *attr, \
static int store_bool_attr(char *buff, size_t count,
struct net_device *net_dev,
- char *attr_name, atomic_t *attr)
+ const char *attr_name, atomic_t *attr)
{
int enabled = -1;
@@ -138,16 +160,15 @@ static inline ssize_t __store_bool_attr(char *buff, size_t count,
{
int ret;
- ret = store_bool_attr(buff, count, net_dev, (char *)attr->name,
- attr_store);
+ ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store);
if (post_func && ret)
post_func(net_dev);
return ret;
}
-static int store_uint_attr(char *buff, size_t count,
- struct net_device *net_dev, char *attr_name,
+static int store_uint_attr(const char *buff, size_t count,
+ struct net_device *net_dev, const char *attr_name,
unsigned int min, unsigned int max, atomic_t *attr)
{
unsigned long uint_val;
@@ -183,15 +204,15 @@ static int store_uint_attr(char *buff, size_t count,
return count;
}
-static inline ssize_t __store_uint_attr(char *buff, size_t count,
+static inline ssize_t __store_uint_attr(const char *buff, size_t count,
int min, int max,
void (*post_func)(struct net_device *),
- struct attribute *attr,
+ const struct attribute *attr,
atomic_t *attr_store, struct net_device *net_dev)
{
int ret;
- ret = store_uint_attr(buff, count, net_dev, (char *)attr->name,
+ ret = store_uint_attr(buff, count, net_dev, attr->name,
min, max, attr_store);
if (post_func && ret)
post_func(net_dev);
@@ -368,7 +389,7 @@ BAT_ATTR_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE,
static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth,
store_gw_bwidth);
#ifdef CONFIG_BATMAN_ADV_DEBUG
-BAT_ATTR_UINT(log_level, S_IRUGO | S_IWUSR, 0, 3, NULL);
+BAT_ATTR_UINT(log_level, S_IRUGO | S_IWUSR, 0, 7, NULL);
#endif
static struct bat_attribute *mesh_attrs[] = {
@@ -594,3 +615,60 @@ void sysfs_del_hardif(struct kobject **hardif_obj)
kobject_put(*hardif_obj);
*hardif_obj = NULL;
}
+
+int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
+ enum uev_action action, const char *data)
+{
+ int ret = -1;
+ struct hard_iface *primary_if = NULL;
+ struct kobject *bat_kobj;
+ char *uevent_env[4] = { NULL, NULL, NULL, NULL };
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
+ bat_kobj = &primary_if->soft_iface->dev.kobj;
+
+ uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) +
+ strlen(uev_type_str[type]) + 1,
+ GFP_ATOMIC);
+ if (!uevent_env[0])
+ goto out;
+
+ sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]);
+
+ uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) +
+ strlen(uev_action_str[action]) + 1,
+ GFP_ATOMIC);
+ if (!uevent_env[1])
+ goto out;
+
+ sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]);
+
+ /* If the event is DEL, ignore the data field */
+ if (action != UEV_DEL) {
+ uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) +
+ strlen(data) + 1, GFP_ATOMIC);
+ if (!uevent_env[2])
+ goto out;
+
+ sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data);
+ }
+
+ ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env);
+out:
+ kfree(uevent_env[0]);
+ kfree(uevent_env[1]);
+ kfree(uevent_env[2]);
+
+ if (primary_if)
+ hardif_free_ref(primary_if);
+
+ if (ret)
+ bat_dbg(DBG_BATMAN, bat_priv, "Impossible to send "
+ "uevent for (%s,%s,%s) event (err: %d)\n",
+ uev_type_str[type], uev_action_str[action],
+ (action == UEV_DEL ? "NULL" : data), ret);
+ return ret;
+}
diff --git a/net/batman-adv/bat_sysfs.h b/net/batman-adv/bat_sysfs.h
index 02f1fa7aadf..a3f75a723c5 100644
--- a/net/batman-adv/bat_sysfs.h
+++ b/net/batman-adv/bat_sysfs.h
@@ -38,5 +38,7 @@ int sysfs_add_meshif(struct net_device *dev);
void sysfs_del_meshif(struct net_device *dev);
int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev);
void sysfs_del_hardif(struct kobject **hardif_obj);
+int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
+ enum uev_action action, const char *data);
#endif /* _NET_BATMAN_ADV_SYSFS_H_ */
diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c
index ad2ca925b3e..c1f4bfc09cc 100644
--- a/net/batman-adv/bitarray.c
+++ b/net/batman-adv/bitarray.c
@@ -26,8 +26,8 @@
/* returns true if the corresponding bit in the given seq_bits indicates true
* and curr_seqno is within range of last_seqno */
-uint8_t get_bit_status(unsigned long *seq_bits, uint32_t last_seqno,
- uint32_t curr_seqno)
+int get_bit_status(const unsigned long *seq_bits, uint32_t last_seqno,
+ uint32_t curr_seqno)
{
int32_t diff, word_offset, word_num;
@@ -127,10 +127,10 @@ static void bit_reset_window(unsigned long *seq_bits)
* 1 if the window was moved (either new or very old)
* 0 if the window was not moved/shifted.
*/
-char bit_get_packet(void *priv, unsigned long *seq_bits,
- int32_t seq_num_diff, int8_t set_mark)
+int bit_get_packet(void *priv, unsigned long *seq_bits,
+ int32_t seq_num_diff, int set_mark)
{
- struct bat_priv *bat_priv = (struct bat_priv *)priv;
+ struct bat_priv *bat_priv = priv;
/* sequence number is slightly older. We already got a sequence number
* higher than this one, so we just mark it. */
@@ -190,7 +190,7 @@ char bit_get_packet(void *priv, unsigned long *seq_bits,
/* count the hamming weight, how many good packets did we receive? just count
* the 1's.
*/
-int bit_packet_count(unsigned long *seq_bits)
+int bit_packet_count(const unsigned long *seq_bits)
{
int i, hamming = 0;
diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h
index 769c246d1fc..9c04422aeb0 100644
--- a/net/batman-adv/bitarray.h
+++ b/net/batman-adv/bitarray.h
@@ -26,8 +26,8 @@
/* returns true if the corresponding bit in the given seq_bits indicates true
* and curr_seqno is within range of last_seqno */
-uint8_t get_bit_status(unsigned long *seq_bits, uint32_t last_seqno,
- uint32_t curr_seqno);
+int get_bit_status(const unsigned long *seq_bits, uint32_t last_seqno,
+ uint32_t curr_seqno);
/* turn corresponding bit on, so we can remember that we got the packet */
void bit_mark(unsigned long *seq_bits, int32_t n);
@@ -35,10 +35,10 @@ void bit_mark(unsigned long *seq_bits, int32_t n);
/* receive and process one packet, returns 1 if received seq_num is considered
* new, 0 if old */
-char bit_get_packet(void *priv, unsigned long *seq_bits,
- int32_t seq_num_diff, int8_t set_mark);
+int bit_get_packet(void *priv, unsigned long *seq_bits,
+ int32_t seq_num_diff, int set_mark);
/* count the hamming weight, how many good packets did we receive? */
-int bit_packet_count(unsigned long *seq_bits);
+int bit_packet_count(const unsigned long *seq_bits);
#endif /* _NET_BATMAN_ADV_BITARRAY_H_ */
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 61605a0f3f3..056180ef9e1 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -20,15 +20,22 @@
*/
#include "main.h"
+#include "bat_sysfs.h"
#include "gateway_client.h"
#include "gateway_common.h"
#include "hard-interface.h"
#include "originator.h"
+#include "routing.h"
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/udp.h>
#include <linux/if_vlan.h>
+/* This is the offset of the options field in a dhcp packet starting at
+ * the beginning of the dhcp header */
+#define DHCP_OPTIONS_OFFSET 240
+#define DHCP_REQUEST 3
+
static void gw_node_free_ref(struct gw_node *gw_node)
{
if (atomic_dec_and_test(&gw_node->refcount))
@@ -86,7 +93,7 @@ static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
if (new_gw_node && !atomic_inc_not_zero(&new_gw_node->refcount))
new_gw_node = NULL;
- curr_gw_node = bat_priv->curr_gw;
+ curr_gw_node = rcu_dereference_protected(bat_priv->curr_gw, 1);
rcu_assign_pointer(bat_priv->curr_gw, new_gw_node);
if (curr_gw_node)
@@ -97,40 +104,19 @@ static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
void gw_deselect(struct bat_priv *bat_priv)
{
- gw_select(bat_priv, NULL);
+ atomic_set(&bat_priv->gw_reselect, 1);
}
-void gw_election(struct bat_priv *bat_priv)
+static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
{
- struct hlist_node *node;
- struct gw_node *gw_node, *curr_gw = NULL, *curr_gw_tmp = NULL;
struct neigh_node *router;
- uint8_t max_tq = 0;
+ struct hlist_node *node;
+ struct gw_node *gw_node, *curr_gw = NULL;
uint32_t max_gw_factor = 0, tmp_gw_factor = 0;
+ uint8_t max_tq = 0;
int down, up;
- /**
- * The batman daemon checks here if we already passed a full originator
- * cycle in order to make sure we don't choose the first gateway we
- * hear about. This check is based on the daemon's uptime which we
- * don't have.
- **/
- if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
- return;
-
- curr_gw = gw_get_selected_gw_node(bat_priv);
- if (curr_gw)
- goto out;
-
rcu_read_lock();
- if (hlist_empty(&bat_priv->gw_list)) {
- bat_dbg(DBG_BATMAN, bat_priv,
- "Removing selected gateway - "
- "no gateway in range\n");
- gw_deselect(bat_priv);
- goto unlock;
- }
-
hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
if (gw_node->deleted)
continue;
@@ -139,6 +125,9 @@ void gw_election(struct bat_priv *bat_priv)
if (!router)
continue;
+ if (!atomic_inc_not_zero(&gw_node->refcount))
+ goto next;
+
switch (atomic_read(&bat_priv->gw_sel_class)) {
case 1: /* fast connection */
gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags,
@@ -151,8 +140,12 @@ void gw_election(struct bat_priv *bat_priv)
if ((tmp_gw_factor > max_gw_factor) ||
((tmp_gw_factor == max_gw_factor) &&
- (router->tq_avg > max_tq)))
- curr_gw_tmp = gw_node;
+ (router->tq_avg > max_tq))) {
+ if (curr_gw)
+ gw_node_free_ref(curr_gw);
+ curr_gw = gw_node;
+ atomic_inc(&curr_gw->refcount);
+ }
break;
default: /**
@@ -163,8 +156,12 @@ void gw_election(struct bat_priv *bat_priv)
* soon as a better gateway appears which has
* $routing_class more tq points)
**/
- if (router->tq_avg > max_tq)
- curr_gw_tmp = gw_node;
+ if (router->tq_avg > max_tq) {
+ if (curr_gw)
+ gw_node_free_ref(curr_gw);
+ curr_gw = gw_node;
+ atomic_inc(&curr_gw->refcount);
+ }
break;
}
@@ -174,42 +171,81 @@ void gw_election(struct bat_priv *bat_priv)
if (tmp_gw_factor > max_gw_factor)
max_gw_factor = tmp_gw_factor;
+ gw_node_free_ref(gw_node);
+
+next:
neigh_node_free_ref(router);
}
+ rcu_read_unlock();
- if (curr_gw != curr_gw_tmp) {
- router = orig_node_get_router(curr_gw_tmp->orig_node);
- if (!router)
- goto unlock;
+ return curr_gw;
+}
- if ((curr_gw) && (!curr_gw_tmp))
- bat_dbg(DBG_BATMAN, bat_priv,
- "Removing selected gateway - "
- "no gateway in range\n");
- else if ((!curr_gw) && (curr_gw_tmp))
- bat_dbg(DBG_BATMAN, bat_priv,
- "Adding route to gateway %pM "
- "(gw_flags: %i, tq: %i)\n",
- curr_gw_tmp->orig_node->orig,
- curr_gw_tmp->orig_node->gw_flags,
- router->tq_avg);
- else
- bat_dbg(DBG_BATMAN, bat_priv,
- "Changing route to gateway %pM "
- "(gw_flags: %i, tq: %i)\n",
- curr_gw_tmp->orig_node->orig,
- curr_gw_tmp->orig_node->gw_flags,
- router->tq_avg);
+void gw_election(struct bat_priv *bat_priv)
+{
+ struct gw_node *curr_gw = NULL, *next_gw = NULL;
+ struct neigh_node *router = NULL;
+ char gw_addr[18] = { '\0' };
- neigh_node_free_ref(router);
- gw_select(bat_priv, curr_gw_tmp);
+ /**
+ * The batman daemon checks here if we already passed a full originator
+ * cycle in order to make sure we don't choose the first gateway we
+ * hear about. This check is based on the daemon's uptime which we
+ * don't have.
+ **/
+ if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
+ goto out;
+
+ if (!atomic_dec_not_zero(&bat_priv->gw_reselect))
+ goto out;
+
+ curr_gw = gw_get_selected_gw_node(bat_priv);
+
+ next_gw = gw_get_best_gw_node(bat_priv);
+
+ if (curr_gw == next_gw)
+ goto out;
+
+ if (next_gw) {
+ sprintf(gw_addr, "%pM", next_gw->orig_node->orig);
+
+ router = orig_node_get_router(next_gw->orig_node);
+ if (!router) {
+ gw_deselect(bat_priv);
+ goto out;
+ }
}
-unlock:
- rcu_read_unlock();
+ if ((curr_gw) && (!next_gw)) {
+ bat_dbg(DBG_BATMAN, bat_priv,
+ "Removing selected gateway - no gateway in range\n");
+ throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
+ } else if ((!curr_gw) && (next_gw)) {
+ bat_dbg(DBG_BATMAN, bat_priv,
+ "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
+ next_gw->orig_node->orig,
+ next_gw->orig_node->gw_flags,
+ router->tq_avg);
+ throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
+ } else {
+ bat_dbg(DBG_BATMAN, bat_priv,
+ "Changing route to gateway %pM "
+ "(gw_flags: %i, tq: %i)\n",
+ next_gw->orig_node->orig,
+ next_gw->orig_node->gw_flags,
+ router->tq_avg);
+ throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
+ }
+
+ gw_select(bat_priv, next_gw);
+
out:
if (curr_gw)
gw_node_free_ref(curr_gw);
+ if (next_gw)
+ gw_node_free_ref(next_gw);
+ if (router)
+ neigh_node_free_ref(router);
}
void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node)
@@ -273,11 +309,10 @@ static void gw_node_add(struct bat_priv *bat_priv,
struct gw_node *gw_node;
int down, up;
- gw_node = kmalloc(sizeof(struct gw_node), GFP_ATOMIC);
+ gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
if (!gw_node)
return;
- memset(gw_node, 0, sizeof(struct gw_node));
INIT_HLIST_NODE(&gw_node->list);
gw_node->orig_node = orig_node;
atomic_set(&gw_node->refcount, 1);
@@ -323,7 +358,7 @@ void gw_node_update(struct bat_priv *bat_priv,
gw_node->deleted = 0;
- if (new_gwflags == 0) {
+ if (new_gwflags == NO_FLAGS) {
gw_node->deleted = jiffies;
bat_dbg(DBG_BATMAN, bat_priv,
"Gateway %pM removed from gateway list\n",
@@ -336,7 +371,7 @@ void gw_node_update(struct bat_priv *bat_priv,
goto unlock;
}
- if (new_gwflags == 0)
+ if (new_gwflags == NO_FLAGS)
goto unlock;
gw_node_add(bat_priv, orig_node, new_gwflags);
@@ -353,7 +388,7 @@ unlock:
void gw_node_delete(struct bat_priv *bat_priv, struct orig_node *orig_node)
{
- return gw_node_update(bat_priv, orig_node, 0);
+ gw_node_update(bat_priv, orig_node, 0);
}
void gw_node_purge(struct bat_priv *bat_priv)
@@ -361,7 +396,7 @@ void gw_node_purge(struct bat_priv *bat_priv)
struct gw_node *gw_node, *curr_gw;
struct hlist_node *node, *node_tmp;
unsigned long timeout = 2 * PURGE_TIMEOUT * HZ;
- char do_deselect = 0;
+ int do_deselect = 0;
curr_gw = gw_get_selected_gw_node(bat_priv);
@@ -394,8 +429,8 @@ void gw_node_purge(struct bat_priv *bat_priv)
/**
* fails if orig_node has no router
*/
-static int _write_buffer_text(struct bat_priv *bat_priv,
- struct seq_file *seq, struct gw_node *gw_node)
+static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
+ const struct gw_node *gw_node)
{
struct gw_node *curr_gw;
struct neigh_node *router;
@@ -452,10 +487,9 @@ int gw_client_seq_print_text(struct seq_file *seq, void *offset)
}
seq_printf(seq, " %-12s (%s/%i) %17s [%10s]: gw_class ... "
- "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%pM (%s)]\n",
+ "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
"Gateway", "#", TQ_MAX_VALUE, "Nexthop",
- "outgoingIF", SOURCE_VERSION, REVISION_VERSION_STR,
- primary_if->net_dev->name,
+ "outgoingIF", SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name);
rcu_read_lock();
@@ -480,14 +514,75 @@ out:
return ret;
}
-int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
+static bool is_type_dhcprequest(struct sk_buff *skb, int header_len)
+{
+ int ret = false;
+ unsigned char *p;
+ int pkt_len;
+
+ if (skb_linearize(skb) < 0)
+ goto out;
+
+ pkt_len = skb_headlen(skb);
+
+ if (pkt_len < header_len + DHCP_OPTIONS_OFFSET + 1)
+ goto out;
+
+ p = skb->data + header_len + DHCP_OPTIONS_OFFSET;
+ pkt_len -= header_len + DHCP_OPTIONS_OFFSET + 1;
+
+ /* Access the dhcp option lists. Each entry is made up by:
+ * - octect 1: option type
+ * - octect 2: option data len (only if type != 255 and 0)
+ * - octect 3: option data */
+ while (*p != 255 && !ret) {
+ /* p now points to the first octect: option type */
+ if (*p == 53) {
+ /* type 53 is the message type option.
+ * Jump the len octect and go to the data octect */
+ if (pkt_len < 2)
+ goto out;
+ p += 2;
+
+ /* check if the message type is what we need */
+ if (*p == DHCP_REQUEST)
+ ret = true;
+ break;
+ } else if (*p == 0) {
+ /* option type 0 (padding), just go forward */
+ if (pkt_len < 1)
+ goto out;
+ pkt_len--;
+ p++;
+ } else {
+ /* This is any other option. So we get the length... */
+ if (pkt_len < 1)
+ goto out;
+ pkt_len--;
+ p++;
+
+ /* ...and then we jump over the data */
+ if (pkt_len < *p)
+ goto out;
+ pkt_len -= *p;
+ p += (*p);
+ }
+ }
+out:
+ return ret;
+}
+
+int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb,
+ struct orig_node *old_gw)
{
struct ethhdr *ethhdr;
struct iphdr *iphdr;
struct ipv6hdr *ipv6hdr;
struct udphdr *udphdr;
struct gw_node *curr_gw;
+ struct neigh_node *neigh_curr = NULL, *neigh_old = NULL;
unsigned int header_len = 0;
+ int ret = 1;
if (atomic_read(&bat_priv->gw_mode) == GW_MODE_OFF)
return 0;
@@ -509,7 +604,7 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
/* check for ip header */
switch (ntohs(ethhdr->h_proto)) {
case ETH_P_IP:
- if (!pskb_may_pull(skb, header_len + sizeof(struct iphdr)))
+ if (!pskb_may_pull(skb, header_len + sizeof(*iphdr)))
return 0;
iphdr = (struct iphdr *)(skb->data + header_len);
header_len += iphdr->ihl * 4;
@@ -520,10 +615,10 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
break;
case ETH_P_IPV6:
- if (!pskb_may_pull(skb, header_len + sizeof(struct ipv6hdr)))
+ if (!pskb_may_pull(skb, header_len + sizeof(*ipv6hdr)))
return 0;
ipv6hdr = (struct ipv6hdr *)(skb->data + header_len);
- header_len += sizeof(struct ipv6hdr);
+ header_len += sizeof(*ipv6hdr);
/* check for udp header */
if (ipv6hdr->nexthdr != IPPROTO_UDP)
@@ -534,10 +629,10 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
return 0;
}
- if (!pskb_may_pull(skb, header_len + sizeof(struct udphdr)))
+ if (!pskb_may_pull(skb, header_len + sizeof(*udphdr)))
return 0;
udphdr = (struct udphdr *)(skb->data + header_len);
- header_len += sizeof(struct udphdr);
+ header_len += sizeof(*udphdr);
/* check for bootp port */
if ((ntohs(ethhdr->h_proto) == ETH_P_IP) &&
@@ -555,7 +650,30 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
if (!curr_gw)
return 0;
+ /* If old_gw != NULL then this packet is unicast.
+ * So, at this point we have to check the message type: if it is a
+ * DHCPREQUEST we have to decide whether to drop it or not */
+ if (old_gw && curr_gw->orig_node != old_gw) {
+ if (is_type_dhcprequest(skb, header_len)) {
+ /* If the dhcp packet has been sent to a different gw,
+ * we have to evaluate whether the old gw is still
+ * reliable enough */
+ neigh_curr = find_router(bat_priv, curr_gw->orig_node,
+ NULL);
+ neigh_old = find_router(bat_priv, old_gw, NULL);
+ if (!neigh_curr || !neigh_old)
+ goto free_neigh;
+ if (neigh_curr->tq_avg - neigh_old->tq_avg <
+ GW_THRESHOLD)
+ ret = -1;
+ }
+ }
+free_neigh:
+ if (neigh_old)
+ neigh_node_free_ref(neigh_old);
+ if (neigh_curr)
+ neigh_node_free_ref(neigh_curr);
if (curr_gw)
gw_node_free_ref(curr_gw);
- return 1;
+ return ret;
}
diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h
index 1ce8c6066da..b9b983c07fe 100644
--- a/net/batman-adv/gateway_client.h
+++ b/net/batman-adv/gateway_client.h
@@ -31,6 +31,7 @@ void gw_node_update(struct bat_priv *bat_priv,
void gw_node_delete(struct bat_priv *bat_priv, struct orig_node *orig_node);
void gw_node_purge(struct bat_priv *bat_priv);
int gw_client_seq_print_text(struct seq_file *seq, void *offset);
-int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb);
+int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb,
+ struct orig_node *old_gw);
#endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index 50d3a59a3d7..18661af0bc3 100644
--- a/net/batman-adv/gateway_common.c
+++ b/net/batman-adv/gateway_common.c
@@ -61,9 +61,9 @@ static void kbit_to_gw_bandwidth(int down, int up, long *gw_srv_class)
/* returns the up and downspeeds in kbit, calculated from the class */
void gw_bandwidth_to_kbit(uint8_t gw_srv_class, int *down, int *up)
{
- char sbit = (gw_srv_class & 0x80) >> 7;
- char dpart = (gw_srv_class & 0x78) >> 3;
- char upart = (gw_srv_class & 0x07);
+ int sbit = (gw_srv_class & 0x80) >> 7;
+ int dpart = (gw_srv_class & 0x78) >> 3;
+ int upart = (gw_srv_class & 0x07);
if (!gw_srv_class) {
*down = 0;
@@ -76,10 +76,11 @@ void gw_bandwidth_to_kbit(uint8_t gw_srv_class, int *down, int *up)
}
static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
- long *up, long *down)
+ int *up, int *down)
{
int ret, multi = 1;
char *slash_ptr, *tmp_ptr;
+ long ldown, lup;
slash_ptr = strchr(buff, '/');
if (slash_ptr)
@@ -96,7 +97,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
*tmp_ptr = '\0';
}
- ret = strict_strtoul(buff, 10, down);
+ ret = strict_strtol(buff, 10, &ldown);
if (ret) {
bat_err(net_dev,
"Download speed of gateway mode invalid: %s\n",
@@ -104,7 +105,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
return false;
}
- *down *= multi;
+ *down = ldown * multi;
/* we also got some upload info */
if (slash_ptr) {
@@ -121,7 +122,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
*tmp_ptr = '\0';
}
- ret = strict_strtoul(slash_ptr + 1, 10, up);
+ ret = strict_strtol(slash_ptr + 1, 10, &lup);
if (ret) {
bat_err(net_dev,
"Upload speed of gateway mode invalid: "
@@ -129,7 +130,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
return false;
}
- *up *= multi;
+ *up = lup * multi;
}
return true;
@@ -138,7 +139,8 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count)
{
struct bat_priv *bat_priv = netdev_priv(net_dev);
- long gw_bandwidth_tmp = 0, up = 0, down = 0;
+ long gw_bandwidth_tmp = 0;
+ int up = 0, down = 0;
bool ret;
ret = parse_gw_bandwidth(net_dev, buff, &up, &down);
@@ -158,12 +160,11 @@ ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count)
* speeds, hence we need to calculate it back to show the number
* that is going to be propagated
**/
- gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp,
- (int *)&down, (int *)&up);
+ gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp, &down, &up);
gw_deselect(bat_priv);
bat_info(net_dev, "Changing gateway bandwidth from: '%i' to: '%ld' "
- "(propagating: %ld%s/%ld%s)\n",
+ "(propagating: %d%s/%d%s)\n",
atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp,
(down > 2048 ? down / 1024 : down),
(down > 2048 ? "MBit" : "KBit"),
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index dfbfccc9fe4..db7aacf1e09 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -46,7 +46,7 @@ void hardif_free_rcu(struct rcu_head *rcu)
kfree(hard_iface);
}
-struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev)
+struct hard_iface *hardif_get_by_netdev(const struct net_device *net_dev)
{
struct hard_iface *hard_iface;
@@ -64,7 +64,7 @@ out:
return hard_iface;
}
-static int is_valid_iface(struct net_device *net_dev)
+static int is_valid_iface(const struct net_device *net_dev)
{
if (net_dev->flags & IFF_LOOPBACK)
return 0;
@@ -86,7 +86,7 @@ static int is_valid_iface(struct net_device *net_dev)
return 1;
}
-static struct hard_iface *hardif_get_active(struct net_device *soft_iface)
+static struct hard_iface *hardif_get_active(const struct net_device *soft_iface)
{
struct hard_iface *hard_iface;
@@ -138,7 +138,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
if (new_hard_iface && !atomic_inc_not_zero(&new_hard_iface->refcount))
new_hard_iface = NULL;
- curr_hard_iface = bat_priv->primary_if;
+ curr_hard_iface = rcu_dereference_protected(bat_priv->primary_if, 1);
rcu_assign_pointer(bat_priv->primary_if, new_hard_iface);
if (curr_hard_iface)
@@ -152,15 +152,9 @@ static void primary_if_select(struct bat_priv *bat_priv,
batman_packet->ttl = TTL;
primary_if_update_addr(bat_priv);
-
- /***
- * hacky trick to make sure that we send the TT information via
- * our new primary interface
- */
- atomic_set(&bat_priv->tt_local_changed, 1);
}
-static bool hardif_is_iface_up(struct hard_iface *hard_iface)
+static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
{
if (hard_iface->net_dev->flags & IFF_UP)
return true;
@@ -176,9 +170,9 @@ static void update_mac_addresses(struct hard_iface *hard_iface)
hard_iface->net_dev->dev_addr, ETH_ALEN);
}
-static void check_known_mac_addr(struct net_device *net_dev)
+static void check_known_mac_addr(const struct net_device *net_dev)
{
- struct hard_iface *hard_iface;
+ const struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
@@ -204,8 +198,8 @@ static void check_known_mac_addr(struct net_device *net_dev)
int hardif_min_mtu(struct net_device *soft_iface)
{
- struct bat_priv *bat_priv = netdev_priv(soft_iface);
- struct hard_iface *hard_iface;
+ const struct bat_priv *bat_priv = netdev_priv(soft_iface);
+ const struct hard_iface *hard_iface;
/* allow big frames if all devices are capable to do so
* (have MTU > 1500 + BAT_HEADER_LEN) */
int min_mtu = ETH_DATA_LEN;
@@ -285,7 +279,8 @@ static void hardif_deactivate_interface(struct hard_iface *hard_iface)
update_min_mtu(hard_iface->soft_iface);
}
-int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name)
+int hardif_enable_interface(struct hard_iface *hard_iface,
+ const char *iface_name)
{
struct bat_priv *bat_priv;
struct batman_packet *batman_packet;
@@ -336,10 +331,11 @@ int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name)
batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
batman_packet->packet_type = BAT_PACKET;
batman_packet->version = COMPAT_VERSION;
- batman_packet->flags = 0;
+ batman_packet->flags = NO_FLAGS;
batman_packet->ttl = 2;
batman_packet->tq = TQ_MAX_VALUE;
- batman_packet->num_tt = 0;
+ batman_packet->tt_num_changes = 0;
+ batman_packet->ttvn = 0;
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
@@ -458,7 +454,7 @@ static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
dev_hold(net_dev);
- hard_iface = kmalloc(sizeof(struct hard_iface), GFP_ATOMIC);
+ hard_iface = kmalloc(sizeof(*hard_iface), GFP_ATOMIC);
if (!hard_iface) {
pr_err("Can't add interface (%s): out of memory\n",
net_dev->name);
@@ -522,7 +518,7 @@ void hardif_remove_interfaces(void)
static int hard_if_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
- struct net_device *net_dev = (struct net_device *)ptr;
+ struct net_device *net_dev = ptr;
struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
struct hard_iface *primary_if = NULL;
struct bat_priv *bat_priv;
@@ -567,7 +563,7 @@ static int hard_if_event(struct notifier_block *this,
break;
default:
break;
- };
+ }
hardif_put:
hardif_free_ref(hard_iface);
@@ -658,6 +654,14 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
case BAT_VIS:
ret = recv_vis_packet(skb, hard_iface);
break;
+ /* Translation table query (request or response) */
+ case BAT_TT_QUERY:
+ ret = recv_tt_query(skb, hard_iface);
+ break;
+ /* Roaming advertisement */
+ case BAT_ROAM_ADV:
+ ret = recv_roam_adv(skb, hard_iface);
+ break;
default:
ret = NET_RX_DROP;
}
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
index 64265991460..442eacbc9e3 100644
--- a/net/batman-adv/hard-interface.h
+++ b/net/batman-adv/hard-interface.h
@@ -22,17 +22,21 @@
#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
-#define IF_NOT_IN_USE 0
-#define IF_TO_BE_REMOVED 1
-#define IF_INACTIVE 2
-#define IF_ACTIVE 3
-#define IF_TO_BE_ACTIVATED 4
-#define IF_I_WANT_YOU 5
+enum hard_if_state {
+ IF_NOT_IN_USE,
+ IF_TO_BE_REMOVED,
+ IF_INACTIVE,
+ IF_ACTIVE,
+ IF_TO_BE_ACTIVATED,
+ IF_I_WANT_YOU
+};
extern struct notifier_block hard_if_notifier;
-struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev);
-int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name);
+struct hard_iface*
+hardif_get_by_netdev(const struct net_device *net_dev);
+int hardif_enable_interface(struct hard_iface *hard_iface,
+ const char *iface_name);
void hardif_disable_interface(struct hard_iface *hard_iface);
void hardif_remove_interfaces(void);
int hardif_min_mtu(struct net_device *soft_iface);
diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c
index c5213d8f2cc..2a172505f51 100644
--- a/net/batman-adv/hash.c
+++ b/net/batman-adv/hash.c
@@ -46,15 +46,16 @@ struct hashtable_t *hash_new(int size)
{
struct hashtable_t *hash;
- hash = kmalloc(sizeof(struct hashtable_t), GFP_ATOMIC);
+ hash = kmalloc(sizeof(*hash), GFP_ATOMIC);
if (!hash)
return NULL;
- hash->table = kmalloc(sizeof(struct element_t *) * size, GFP_ATOMIC);
+ hash->table = kmalloc(sizeof(*hash->table) * size, GFP_ATOMIC);
if (!hash->table)
goto free_hash;
- hash->list_locks = kmalloc(sizeof(spinlock_t) * size, GFP_ATOMIC);
+ hash->list_locks = kmalloc(sizeof(*hash->list_locks) * size,
+ GFP_ATOMIC);
if (!hash->list_locks)
goto free_table;
diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
index 434822b2747..dd5c9fd7a90 100644
--- a/net/batman-adv/hash.h
+++ b/net/batman-adv/hash.h
@@ -28,12 +28,12 @@
* compare 2 element datas for their keys,
* return 0 if same and not 0 if not
* same */
-typedef int (*hashdata_compare_cb)(struct hlist_node *, void *);
+typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *);
/* the hashfunction, should return an index
* based on the key in the data of the first
* argument and the size the second */
-typedef int (*hashdata_choose_cb)(void *, int);
+typedef int (*hashdata_choose_cb)(const void *, int);
typedef void (*hashdata_free_cb)(struct hlist_node *, void *);
struct hashtable_t {
@@ -80,7 +80,7 @@ static inline void hash_delete(struct hashtable_t *hash,
static inline int hash_add(struct hashtable_t *hash,
hashdata_compare_cb compare,
hashdata_choose_cb choose,
- void *data, struct hlist_node *data_node)
+ const void *data, struct hlist_node *data_node)
{
int index;
struct hlist_head *head;
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c
index fa22ba2bb83..ac3520e057c 100644
--- a/net/batman-adv/icmp_socket.c
+++ b/net/batman-adv/icmp_socket.c
@@ -46,7 +46,7 @@ static int bat_socket_open(struct inode *inode, struct file *file)
nonseekable_open(inode, file);
- socket_client = kmalloc(sizeof(struct socket_client), GFP_KERNEL);
+ socket_client = kmalloc(sizeof(*socket_client), GFP_KERNEL);
if (!socket_client)
return -ENOMEM;
@@ -310,7 +310,7 @@ static void bat_socket_add_packet(struct socket_client *socket_client,
{
struct socket_packet *socket_packet;
- socket_packet = kmalloc(sizeof(struct socket_packet), GFP_ATOMIC);
+ socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
if (!socket_packet)
return;
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 0a7cee0076f..b0f9068ade5 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -58,9 +58,8 @@ static int __init batman_init(void)
register_netdevice_notifier(&hard_if_notifier);
- pr_info("B.A.T.M.A.N. advanced %s%s (compatibility version %i) "
- "loaded\n", SOURCE_VERSION, REVISION_VERSION_STR,
- COMPAT_VERSION);
+ pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) "
+ "loaded\n", SOURCE_VERSION, COMPAT_VERSION);
return 0;
}
@@ -84,8 +83,10 @@ int mesh_init(struct net_device *soft_iface)
spin_lock_init(&bat_priv->forw_bat_list_lock);
spin_lock_init(&bat_priv->forw_bcast_list_lock);
- spin_lock_init(&bat_priv->tt_lhash_lock);
- spin_lock_init(&bat_priv->tt_ghash_lock);
+ spin_lock_init(&bat_priv->tt_changes_list_lock);
+ spin_lock_init(&bat_priv->tt_req_list_lock);
+ spin_lock_init(&bat_priv->tt_roam_list_lock);
+ spin_lock_init(&bat_priv->tt_buff_lock);
spin_lock_init(&bat_priv->gw_list_lock);
spin_lock_init(&bat_priv->vis_hash_lock);
spin_lock_init(&bat_priv->vis_list_lock);
@@ -96,14 +97,14 @@ int mesh_init(struct net_device *soft_iface)
INIT_HLIST_HEAD(&bat_priv->forw_bcast_list);
INIT_HLIST_HEAD(&bat_priv->gw_list);
INIT_HLIST_HEAD(&bat_priv->softif_neigh_vids);
+ INIT_LIST_HEAD(&bat_priv->tt_changes_list);
+ INIT_LIST_HEAD(&bat_priv->tt_req_list);
+ INIT_LIST_HEAD(&bat_priv->tt_roam_list);
if (originator_init(bat_priv) < 1)
goto err;
- if (tt_local_init(bat_priv) < 1)
- goto err;
-
- if (tt_global_init(bat_priv) < 1)
+ if (tt_init(bat_priv) < 1)
goto err;
tt_local_add(soft_iface, soft_iface->dev_addr);
@@ -111,6 +112,7 @@ int mesh_init(struct net_device *soft_iface)
if (vis_init(bat_priv) < 1)
goto err;
+ atomic_set(&bat_priv->gw_reselect, 0);
atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
goto end;
@@ -137,8 +139,7 @@ void mesh_free(struct net_device *soft_iface)
gw_node_purge(bat_priv);
originator_free(bat_priv);
- tt_local_free(bat_priv);
- tt_global_free(bat_priv);
+ tt_free(bat_priv);
softif_neigh_purge(bat_priv);
@@ -155,9 +156,9 @@ void dec_module_count(void)
module_put(THIS_MODULE);
}
-int is_my_mac(uint8_t *addr)
+int is_my_mac(const uint8_t *addr)
{
- struct hard_iface *hard_iface;
+ const struct hard_iface *hard_iface;
rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
@@ -182,8 +183,4 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_SUPPORTED_DEVICE(DRIVER_DEVICE);
-#ifdef REVISION_VERSION
-MODULE_VERSION(SOURCE_VERSION "-" REVISION_VERSION);
-#else
MODULE_VERSION(SOURCE_VERSION);
-#endif
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 148b49e0264..a6df61a6933 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -27,8 +27,9 @@
#define DRIVER_DESC "B.A.T.M.A.N. advanced"
#define DRIVER_DEVICE "batman-adv"
-#define SOURCE_VERSION "next"
-
+#ifndef SOURCE_VERSION
+#define SOURCE_VERSION "2011.3.0"
+#endif
/* B.A.T.M.A.N. parameters */
@@ -42,15 +43,25 @@
* -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE */
#define PURGE_TIMEOUT 200
#define TT_LOCAL_TIMEOUT 3600 /* in seconds */
-
+#define TT_CLIENT_ROAM_TIMEOUT 600
/* sliding packet range of received originator messages in squence numbers
* (should be a multiple of our word size) */
#define TQ_LOCAL_WINDOW_SIZE 64
+#define TT_REQUEST_TIMEOUT 3 /* seconds we have to keep pending tt_req */
+
#define TQ_GLOBAL_WINDOW_SIZE 5
#define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
#define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
#define TQ_TOTAL_BIDRECT_LIMIT 1
+#define TT_OGM_APPEND_MAX 3 /* number of OGMs sent with the last tt diff */
+
+#define ROAMING_MAX_TIME 20 /* Time in which a client can roam at most
+ * ROAMING_MAX_COUNT times */
+#define ROAMING_MAX_COUNT 5
+
+#define NO_FLAGS 0
+
#define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE)
#define LOG_BUF_LEN 8192 /* has to be a power of 2 */
@@ -72,13 +83,27 @@
#define RESET_PROTECTION_MS 30000
#define EXPECTED_SEQNO_RANGE 65536
-#define MESH_INACTIVE 0
-#define MESH_ACTIVE 1
-#define MESH_DEACTIVATING 2
+enum mesh_state {
+ MESH_INACTIVE,
+ MESH_ACTIVE,
+ MESH_DEACTIVATING
+};
#define BCAST_QUEUE_LEN 256
#define BATMAN_QUEUE_LEN 256
+enum uev_action {
+ UEV_ADD = 0,
+ UEV_DEL,
+ UEV_CHANGE
+};
+
+enum uev_type {
+ UEV_GW = 0
+};
+
+#define GW_THRESHOLD 50
+
/*
* Debug Messages
*/
@@ -89,10 +114,12 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* all messages related to routing / flooding / broadcasting / etc */
-#define DBG_BATMAN 1
-/* route or tt entry added / changed / deleted */
-#define DBG_ROUTES 2
-#define DBG_ALL 3
+enum dbg_level {
+ DBG_BATMAN = 1 << 0,
+ DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
+ DBG_TT = 1 << 2, /* translation table operations */
+ DBG_ALL = 7
+};
/*
@@ -118,12 +145,6 @@
#include <linux/seq_file.h>
#include "types.h"
-#ifndef REVISION_VERSION
-#define REVISION_VERSION_STR ""
-#else
-#define REVISION_VERSION_STR " "REVISION_VERSION
-#endif
-
extern struct list_head hardif_list;
extern unsigned char broadcast_addr[];
@@ -133,10 +154,10 @@ int mesh_init(struct net_device *soft_iface);
void mesh_free(struct net_device *soft_iface);
void inc_module_count(void);
void dec_module_count(void);
-int is_my_mac(uint8_t *addr);
+int is_my_mac(const uint8_t *addr);
#ifdef CONFIG_BATMAN_ADV_DEBUG
-int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
+int debug_log(struct bat_priv *bat_priv, const char *fmt, ...) __printf(2, 3);
#define bat_dbg(type, bat_priv, fmt, arg...) \
do { \
@@ -145,9 +166,10 @@ int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
} \
while (0)
#else /* !CONFIG_BATMAN_ADV_DEBUG */
-static inline void bat_dbg(char type __always_unused,
+__printf(3, 4)
+static inline void bat_dbg(int type __always_unused,
struct bat_priv *bat_priv __always_unused,
- char *fmt __always_unused, ...)
+ const char *fmt __always_unused, ...)
{
}
#endif
@@ -172,11 +194,32 @@ static inline void bat_dbg(char type __always_unused,
*
* note: can't use compare_ether_addr() as it requires aligned memory
*/
-static inline int compare_eth(void *data1, void *data2)
+
+static inline int compare_eth(const void *data1, const void *data2)
{
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
+
#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)
+/* Returns the smallest signed integer in two's complement with the sizeof x */
+#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
+
+/* Checks if a sequence number x is a predecessor/successor of y.
+ * they handle overflows/underflows and can correctly check for a
+ * predecessor/successor unless the variable sequence number has grown by
+ * more then 2**(bitwidth(x)-1)-1.
+ * This means that for a uint8_t with the maximum value 255, it would think:
+ * - when adding nothing - it is neither a predecessor nor a successor
+ * - before adding more than 127 to the starting value - it is a predecessor,
+ * - when adding 128 - it is neither a predecessor nor a successor,
+ * - after adding more than 127 to the starting value - it is a successor */
+#define seq_before(x, y) ({typeof(x) _d1 = (x); \
+ typeof(y) _d2 = (y); \
+ typeof(x) _dummy = (_d1 - _d2); \
+ (void) (&_d1 == &_d2); \
+ _dummy > smallest_signed_int(_dummy); })
+#define seq_after(x, y) seq_before(y, x)
+
#endif /* _NET_BATMAN_ADV_MAIN_H_ */
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 40a30bbcd14..f3c3f620d19 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -37,6 +37,14 @@ static void start_purge_timer(struct bat_priv *bat_priv)
queue_delayed_work(bat_event_workqueue, &bat_priv->orig_work, 1 * HZ);
}
+/* returns 1 if they are the same originator */
+static int compare_orig(const struct hlist_node *node, const void *data2)
+{
+ const void *data1 = container_of(node, struct orig_node, hash_entry);
+
+ return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
+}
+
int originator_init(struct bat_priv *bat_priv)
{
if (bat_priv->orig_hash)
@@ -77,7 +85,7 @@ struct neigh_node *orig_node_get_router(struct orig_node *orig_node)
struct neigh_node *create_neighbor(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
- uint8_t *neigh,
+ const uint8_t *neigh,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@@ -86,7 +94,7 @@ struct neigh_node *create_neighbor(struct orig_node *orig_node,
bat_dbg(DBG_BATMAN, bat_priv,
"Creating new last-hop neighbor of originator\n");
- neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
+ neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC);
if (!neigh_node)
return NULL;
@@ -137,6 +145,7 @@ static void orig_node_free_rcu(struct rcu_head *rcu)
tt_global_del_orig(orig_node->bat_priv, orig_node,
"originator timed out");
+ kfree(orig_node->tt_buff);
kfree(orig_node->bcast_own);
kfree(orig_node->bcast_own_sum);
kfree(orig_node);
@@ -183,7 +192,7 @@ void originator_free(struct bat_priv *bat_priv)
/* this function finds or creates an originator entry for the given
* address if it does not exits */
-struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
+struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr)
{
struct orig_node *orig_node;
int size;
@@ -196,7 +205,7 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
bat_dbg(DBG_BATMAN, bat_priv,
"Creating new originator: %pM\n", addr);
- orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
+ orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC);
if (!orig_node)
return NULL;
@@ -205,14 +214,20 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
spin_lock_init(&orig_node->ogm_cnt_lock);
spin_lock_init(&orig_node->bcast_seqno_lock);
spin_lock_init(&orig_node->neigh_list_lock);
+ spin_lock_init(&orig_node->tt_buff_lock);
/* extra reference for return */
atomic_set(&orig_node->refcount, 2);
+ orig_node->tt_poss_change = false;
orig_node->bat_priv = bat_priv;
memcpy(orig_node->orig, addr, ETH_ALEN);
orig_node->router = NULL;
+ orig_node->tt_crc = 0;
+ atomic_set(&orig_node->last_ttvn, 0);
orig_node->tt_buff = NULL;
+ orig_node->tt_buff_len = 0;
+ atomic_set(&orig_node->tt_size, 0);
orig_node->bcast_seqno_reset = jiffies - 1
- msecs_to_jiffies(RESET_PROTECTION_MS);
orig_node->batman_seqno_reset = jiffies - 1
@@ -322,9 +337,7 @@ static bool purge_orig_node(struct bat_priv *bat_priv,
if (purge_orig_neighbors(bat_priv, orig_node,
&best_neigh_node)) {
update_routes(bat_priv, orig_node,
- best_neigh_node,
- orig_node->tt_buff,
- orig_node->tt_buff_len);
+ best_neigh_node);
}
}
@@ -419,9 +432,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset)
goto out;
}
- seq_printf(seq, "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%pM (%s)]\n",
- SOURCE_VERSION, REVISION_VERSION_STR,
- primary_if->net_dev->name,
+ seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
+ SOURCE_VERSION, primary_if->net_dev->name,
primary_if->net_dev->dev_addr, net_dev->name);
seq_printf(seq, " %-15s %s (%s/%i) %17s [%10s]: %20s ...\n",
"Originator", "last-seen", "#", TQ_MAX_VALUE, "Nexthop",
@@ -559,7 +571,7 @@ static int orig_node_del_if(struct orig_node *orig_node,
memcpy(data_ptr, orig_node->bcast_own, del_if_num * chunk_size);
/* copy second part */
- memcpy(data_ptr + del_if_num * chunk_size,
+ memcpy((char *)data_ptr + del_if_num * chunk_size,
orig_node->bcast_own + ((del_if_num + 1) * chunk_size),
(max_if_num - del_if_num) * chunk_size);
@@ -579,7 +591,7 @@ free_bcast_own:
memcpy(data_ptr, orig_node->bcast_own_sum,
del_if_num * sizeof(uint8_t));
- memcpy(data_ptr + del_if_num * sizeof(uint8_t),
+ memcpy((char *)data_ptr + del_if_num * sizeof(uint8_t),
orig_node->bcast_own_sum + ((del_if_num + 1) * sizeof(uint8_t)),
(max_if_num - del_if_num) * sizeof(uint8_t));
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
index e1d641f27aa..cfc1f60a96a 100644
--- a/net/batman-adv/originator.h
+++ b/net/batman-adv/originator.h
@@ -28,10 +28,10 @@ int originator_init(struct bat_priv *bat_priv);
void originator_free(struct bat_priv *bat_priv);
void purge_orig_ref(struct bat_priv *bat_priv);
void orig_node_free_ref(struct orig_node *orig_node);
-struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr);
+struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr);
struct neigh_node *create_neighbor(struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
- uint8_t *neigh,
+ const uint8_t *neigh,
struct hard_iface *if_incoming);
void neigh_node_free_ref(struct neigh_node *neigh_node);
struct neigh_node *orig_node_get_router(struct orig_node *orig_node);
@@ -40,19 +40,11 @@ int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num);
int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num);
-/* returns 1 if they are the same originator */
-static inline int compare_orig(struct hlist_node *node, void *data2)
-{
- void *data1 = container_of(node, struct orig_node, hash_entry);
-
- return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
-}
-
/* hashfunction to choose an entry in a hash table of given size */
/* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */
-static inline int choose_orig(void *data, int32_t size)
+static inline int choose_orig(const void *data, int32_t size)
{
- unsigned char *key = data;
+ const unsigned char *key = data;
uint32_t hash = 0;
size_t i;
@@ -70,7 +62,7 @@ static inline int choose_orig(void *data, int32_t size)
}
static inline struct orig_node *orig_hash_find(struct bat_priv *bat_priv,
- void *data)
+ const void *data)
{
struct hashtable_t *hash = bat_priv->orig_hash;
struct hlist_head *head;
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index eda99650e9f..b76b4be10b9 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -24,46 +24,84 @@
#define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */
-#define BAT_PACKET 0x01
-#define BAT_ICMP 0x02
-#define BAT_UNICAST 0x03
-#define BAT_BCAST 0x04
-#define BAT_VIS 0x05
-#define BAT_UNICAST_FRAG 0x06
+enum bat_packettype {
+ BAT_PACKET = 0x01,
+ BAT_ICMP = 0x02,
+ BAT_UNICAST = 0x03,
+ BAT_BCAST = 0x04,
+ BAT_VIS = 0x05,
+ BAT_UNICAST_FRAG = 0x06,
+ BAT_TT_QUERY = 0x07,
+ BAT_ROAM_ADV = 0x08
+};
/* this file is included by batctl which needs these defines */
-#define COMPAT_VERSION 12
-#define DIRECTLINK 0x40
-#define VIS_SERVER 0x20
-#define PRIMARIES_FIRST_HOP 0x10
+#define COMPAT_VERSION 14
+
+enum batman_flags {
+ PRIMARIES_FIRST_HOP = 1 << 4,
+ VIS_SERVER = 1 << 5,
+ DIRECTLINK = 1 << 6
+};
/* ICMP message types */
-#define ECHO_REPLY 0
-#define DESTINATION_UNREACHABLE 3
-#define ECHO_REQUEST 8
-#define TTL_EXCEEDED 11
-#define PARAMETER_PROBLEM 12
+enum icmp_packettype {
+ ECHO_REPLY = 0,
+ DESTINATION_UNREACHABLE = 3,
+ ECHO_REQUEST = 8,
+ TTL_EXCEEDED = 11,
+ PARAMETER_PROBLEM = 12
+};
/* vis defines */
-#define VIS_TYPE_SERVER_SYNC 0
-#define VIS_TYPE_CLIENT_UPDATE 1
+enum vis_packettype {
+ VIS_TYPE_SERVER_SYNC = 0,
+ VIS_TYPE_CLIENT_UPDATE = 1
+};
/* fragmentation defines */
-#define UNI_FRAG_HEAD 0x01
-#define UNI_FRAG_LARGETAIL 0x02
+enum unicast_frag_flags {
+ UNI_FRAG_HEAD = 1 << 0,
+ UNI_FRAG_LARGETAIL = 1 << 1
+};
+
+/* TT_QUERY subtypes */
+#define TT_QUERY_TYPE_MASK 0x3
+
+enum tt_query_packettype {
+ TT_REQUEST = 0,
+ TT_RESPONSE = 1
+};
+
+/* TT_QUERY flags */
+enum tt_query_flags {
+ TT_FULL_TABLE = 1 << 2
+};
+
+/* TT_CLIENT flags.
+ * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
+ * 1 << 15 are used for local computation only */
+enum tt_client_flags {
+ TT_CLIENT_DEL = 1 << 0,
+ TT_CLIENT_ROAM = 1 << 1,
+ TT_CLIENT_NOPURGE = 1 << 8,
+ TT_CLIENT_NEW = 1 << 9,
+ TT_CLIENT_PENDING = 1 << 10
+};
struct batman_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
+ uint8_t ttl;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
- uint8_t tq;
uint32_t seqno;
uint8_t orig[6];
uint8_t prev_sender[6];
- uint8_t ttl;
- uint8_t num_tt;
uint8_t gw_flags; /* flags related to gateway class */
- uint8_t align;
+ uint8_t tq;
+ uint8_t tt_num_changes;
+ uint8_t ttvn; /* translation table version number */
+ uint16_t tt_crc;
} __packed;
#define BAT_PACKET_LEN sizeof(struct batman_packet)
@@ -71,12 +109,13 @@ struct batman_packet {
struct icmp_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
- uint8_t msg_type; /* see ICMP message types above */
uint8_t ttl;
+ uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[6];
uint8_t orig[6];
uint16_t seqno;
uint8_t uid;
+ uint8_t reserved;
} __packed;
#define BAT_RR_LEN 16
@@ -86,8 +125,8 @@ struct icmp_packet {
struct icmp_packet_rr {
uint8_t packet_type;
uint8_t version; /* batman version field */
- uint8_t msg_type; /* see ICMP message types above */
uint8_t ttl;
+ uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[6];
uint8_t orig[6];
uint16_t seqno;
@@ -99,16 +138,19 @@ struct icmp_packet_rr {
struct unicast_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
- uint8_t dest[6];
uint8_t ttl;
+ uint8_t ttvn; /* destination translation table version number */
+ uint8_t dest[6];
} __packed;
struct unicast_frag_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
- uint8_t dest[6];
uint8_t ttl;
+ uint8_t ttvn; /* destination translation table version number */
+ uint8_t dest[6];
uint8_t flags;
+ uint8_t align;
uint8_t orig[6];
uint16_t seqno;
} __packed;
@@ -116,21 +158,61 @@ struct unicast_frag_packet {
struct bcast_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
- uint8_t orig[6];
uint8_t ttl;
+ uint8_t reserved;
uint32_t seqno;
+ uint8_t orig[6];
} __packed;
struct vis_packet {
uint8_t packet_type;
uint8_t version; /* batman version field */
+ uint8_t ttl; /* TTL */
uint8_t vis_type; /* which type of vis-participant sent this? */
- uint8_t entries; /* number of entries behind this struct */
uint32_t seqno; /* sequence number */
- uint8_t ttl; /* TTL */
+ uint8_t entries; /* number of entries behind this struct */
+ uint8_t reserved;
uint8_t vis_orig[6]; /* originator that announces its neighbors */
uint8_t target_orig[6]; /* who should receive this packet */
uint8_t sender_orig[6]; /* who sent or rebroadcasted this packet */
} __packed;
+struct tt_query_packet {
+ uint8_t packet_type;
+ uint8_t version; /* batman version field */
+ uint8_t ttl;
+ /* the flag field is a combination of:
+ * - TT_REQUEST or TT_RESPONSE
+ * - TT_FULL_TABLE */
+ uint8_t flags;
+ uint8_t dst[ETH_ALEN];
+ uint8_t src[ETH_ALEN];
+ /* the ttvn field is:
+ * if TT_REQUEST: ttvn that triggered the
+ * request
+ * if TT_RESPONSE: new ttvn for the src
+ * orig_node */
+ uint8_t ttvn;
+ /* tt_data field is:
+ * if TT_REQUEST: crc associated with the
+ * ttvn
+ * if TT_RESPONSE: table_size */
+ uint16_t tt_data;
+} __packed;
+
+struct roam_adv_packet {
+ uint8_t packet_type;
+ uint8_t version;
+ uint8_t ttl;
+ uint8_t reserved;
+ uint8_t dst[ETH_ALEN];
+ uint8_t src[ETH_ALEN];
+ uint8_t client[ETH_ALEN];
+} __packed;
+
+struct tt_change {
+ uint8_t flags;
+ uint8_t addr[ETH_ALEN];
+} __packed;
+
#endif /* _NET_BATMAN_ADV_PACKET_H_ */
diff --git a/net/batman-adv/ring_buffer.c b/net/batman-adv/ring_buffer.c
index 5bb6a619afe..f1ccfa76ce8 100644
--- a/net/batman-adv/ring_buffer.c
+++ b/net/batman-adv/ring_buffer.c
@@ -28,9 +28,9 @@ void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value)
*lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE;
}
-uint8_t ring_buffer_avg(uint8_t lq_recv[])
+uint8_t ring_buffer_avg(const uint8_t lq_recv[])
{
- uint8_t *ptr;
+ const uint8_t *ptr;
uint16_t count = 0, i = 0, sum = 0;
ptr = lq_recv;
diff --git a/net/batman-adv/ring_buffer.h b/net/batman-adv/ring_buffer.h
index 0395b274186..7cdfe62b657 100644
--- a/net/batman-adv/ring_buffer.h
+++ b/net/batman-adv/ring_buffer.h
@@ -23,6 +23,6 @@
#define _NET_BATMAN_ADV_RING_BUFFER_H_
void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value);
-uint8_t ring_buffer_avg(uint8_t lq_recv[]);
+uint8_t ring_buffer_avg(const uint8_t lq_recv[]);
#endif /* _NET_BATMAN_ADV_RING_BUFFER_H_ */
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index bb1c3ec7e3f..0f32c818874 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -64,28 +64,69 @@ void slide_own_bcast_window(struct hard_iface *hard_iface)
}
}
-static void update_TT(struct bat_priv *bat_priv, struct orig_node *orig_node,
- unsigned char *tt_buff, int tt_buff_len)
+static void update_transtable(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ const unsigned char *tt_buff,
+ uint8_t tt_num_changes, uint8_t ttvn,
+ uint16_t tt_crc)
{
- if ((tt_buff_len != orig_node->tt_buff_len) ||
- ((tt_buff_len > 0) &&
- (orig_node->tt_buff_len > 0) &&
- (memcmp(orig_node->tt_buff, tt_buff, tt_buff_len) != 0))) {
-
- if (orig_node->tt_buff_len > 0)
- tt_global_del_orig(bat_priv, orig_node,
- "originator changed tt");
-
- if ((tt_buff_len > 0) && (tt_buff))
- tt_global_add_orig(bat_priv, orig_node,
- tt_buff, tt_buff_len);
+ uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
+ bool full_table = true;
+
+ /* the ttvn increased by one -> we can apply the attached changes */
+ if (ttvn - orig_ttvn == 1) {
+ /* the OGM could not contain the changes because they were too
+ * many to fit in one frame or because they have already been
+ * sent TT_OGM_APPEND_MAX times. In this case send a tt
+ * request */
+ if (!tt_num_changes) {
+ full_table = false;
+ goto request_table;
+ }
+
+ tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
+ (struct tt_change *)tt_buff);
+
+ /* Even if we received the crc into the OGM, we prefer
+ * to recompute it to spot any possible inconsistency
+ * in the global table */
+ orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
+
+ /* The ttvn alone is not enough to guarantee consistency
+ * because a single value could repesent different states
+ * (due to the wrap around). Thus a node has to check whether
+ * the resulting table (after applying the changes) is still
+ * consistent or not. E.g. a node could disconnect while its
+ * ttvn is X and reconnect on ttvn = X + TTVN_MAX: in this case
+ * checking the CRC value is mandatory to detect the
+ * inconsistency */
+ if (orig_node->tt_crc != tt_crc)
+ goto request_table;
+
+ /* Roaming phase is over: tables are in sync again. I can
+ * unset the flag */
+ orig_node->tt_poss_change = false;
+ } else {
+ /* if we missed more than one change or our tables are not
+ * in sync anymore -> request fresh tt data */
+ if (ttvn != orig_ttvn || orig_node->tt_crc != tt_crc) {
+request_table:
+ bat_dbg(DBG_TT, bat_priv, "TT inconsistency for %pM. "
+ "Need to retrieve the correct information "
+ "(ttvn: %u last_ttvn: %u crc: %u last_crc: "
+ "%u num_changes: %u)\n", orig_node->orig, ttvn,
+ orig_ttvn, tt_crc, orig_node->tt_crc,
+ tt_num_changes);
+ send_tt_request(bat_priv, orig_node, ttvn, tt_crc,
+ full_table);
+ return;
+ }
}
}
static void update_route(struct bat_priv *bat_priv,
struct orig_node *orig_node,
- struct neigh_node *neigh_node,
- unsigned char *tt_buff, int tt_buff_len)
+ struct neigh_node *neigh_node)
{
struct neigh_node *curr_router;
@@ -93,11 +134,10 @@ static void update_route(struct bat_priv *bat_priv,
/* route deleted */
if ((curr_router) && (!neigh_node)) {
-
bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
orig_node->orig);
tt_global_del_orig(bat_priv, orig_node,
- "originator timed out");
+ "Deleted route towards originator");
/* route added */
} else if ((!curr_router) && (neigh_node)) {
@@ -105,11 +145,8 @@ static void update_route(struct bat_priv *bat_priv,
bat_dbg(DBG_ROUTES, bat_priv,
"Adding route towards: %pM (via %pM)\n",
orig_node->orig, neigh_node->addr);
- tt_global_add_orig(bat_priv, orig_node,
- tt_buff, tt_buff_len);
-
/* route changed */
- } else {
+ } else if (neigh_node && curr_router) {
bat_dbg(DBG_ROUTES, bat_priv,
"Changing route towards: %pM "
"(now via %pM - was via %pM)\n",
@@ -133,10 +170,8 @@ static void update_route(struct bat_priv *bat_priv,
neigh_node_free_ref(curr_router);
}
-
void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
- struct neigh_node *neigh_node, unsigned char *tt_buff,
- int tt_buff_len)
+ struct neigh_node *neigh_node)
{
struct neigh_node *router = NULL;
@@ -146,11 +181,7 @@ void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
router = orig_node_get_router(orig_node);
if (router != neigh_node)
- update_route(bat_priv, orig_node, neigh_node,
- tt_buff, tt_buff_len);
- /* may be just TT changed */
- else
- update_TT(bat_priv, orig_node, tt_buff, tt_buff_len);
+ update_route(bat_priv, orig_node, neigh_node);
out:
if (router)
@@ -165,7 +196,7 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *neigh_node = NULL, *tmp_neigh_node;
struct hlist_node *node;
- unsigned char total_count;
+ uint8_t total_count;
uint8_t orig_eq_count, neigh_rq_count, tq_own;
int tq_asym_penalty, ret = 0;
@@ -348,9 +379,9 @@ out:
}
/* copy primary address for bonding */
-static void bonding_save_primary(struct orig_node *orig_node,
+static void bonding_save_primary(const struct orig_node *orig_node,
struct orig_node *orig_neigh_node,
- struct batman_packet *batman_packet)
+ const struct batman_packet *batman_packet)
{
if (!(batman_packet->flags & PRIMARIES_FIRST_HOP))
return;
@@ -358,19 +389,16 @@ static void bonding_save_primary(struct orig_node *orig_node,
memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN);
}
-static void update_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- struct ethhdr *ethhdr,
- struct batman_packet *batman_packet,
+static void update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ const struct ethhdr *ethhdr,
+ const struct batman_packet *batman_packet,
struct hard_iface *if_incoming,
- unsigned char *tt_buff, int tt_buff_len,
- char is_duplicate)
+ const unsigned char *tt_buff, int is_duplicate)
{
struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
struct neigh_node *router = NULL;
struct orig_node *orig_node_tmp;
struct hlist_node *node;
- int tmp_tt_buff_len;
uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
bat_dbg(DBG_BATMAN, bat_priv, "update_originator(): "
@@ -435,9 +463,6 @@ static void update_orig(struct bat_priv *bat_priv,
bonding_candidate_add(orig_node, neigh_node);
- tmp_tt_buff_len = (tt_buff_len > batman_packet->num_tt * ETH_ALEN ?
- batman_packet->num_tt * ETH_ALEN : tt_buff_len);
-
/* if this neighbor already is our next hop there is nothing
* to change */
router = orig_node_get_router(orig_node);
@@ -467,15 +492,19 @@ static void update_orig(struct bat_priv *bat_priv,
goto update_tt;
}
- update_routes(bat_priv, orig_node, neigh_node,
- tt_buff, tmp_tt_buff_len);
- goto update_gw;
+ update_routes(bat_priv, orig_node, neigh_node);
update_tt:
- update_routes(bat_priv, orig_node, router,
- tt_buff, tmp_tt_buff_len);
+ /* I have to check for transtable changes only if the OGM has been
+ * sent through a primary interface */
+ if (((batman_packet->orig != ethhdr->h_source) &&
+ (batman_packet->ttl > 2)) ||
+ (batman_packet->flags & PRIMARIES_FIRST_HOP))
+ update_transtable(bat_priv, orig_node, tt_buff,
+ batman_packet->tt_num_changes,
+ batman_packet->ttvn,
+ batman_packet->tt_crc);
-update_gw:
if (orig_node->gw_flags != batman_packet->gw_flags)
gw_node_update(bat_priv, orig_node, batman_packet->gw_flags);
@@ -531,15 +560,15 @@ static int window_protected(struct bat_priv *bat_priv,
* -1 the packet is old and has been received while the seqno window
* was protected. Caller should drop it.
*/
-static char count_real_packets(struct ethhdr *ethhdr,
- struct batman_packet *batman_packet,
- struct hard_iface *if_incoming)
+static int count_real_packets(const struct ethhdr *ethhdr,
+ const struct batman_packet *batman_packet,
+ const struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct orig_node *orig_node;
struct neigh_node *tmp_neigh_node;
struct hlist_node *node;
- char is_duplicate = 0;
+ int is_duplicate = 0;
int32_t seq_diff;
int need_update = 0;
int set_mark, ret = -1;
@@ -595,9 +624,9 @@ out:
return ret;
}
-void receive_bat_packet(struct ethhdr *ethhdr,
+void receive_bat_packet(const struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
- unsigned char *tt_buff, int tt_buff_len,
+ const unsigned char *tt_buff,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@@ -605,10 +634,10 @@ void receive_bat_packet(struct ethhdr *ethhdr,
struct orig_node *orig_neigh_node, *orig_node;
struct neigh_node *router = NULL, *router_router = NULL;
struct neigh_node *orig_neigh_router = NULL;
- char has_directlink_flag;
- char is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
- char is_broadcast = 0, is_bidirectional, is_single_hop_neigh;
- char is_duplicate;
+ int has_directlink_flag;
+ int is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
+ int is_broadcast = 0, is_bidirectional, is_single_hop_neigh;
+ int is_duplicate;
uint32_t if_incoming_seqno;
/* Silently drop when the batman packet is actually not a
@@ -636,12 +665,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
bat_dbg(DBG_BATMAN, bat_priv,
"Received BATMAN packet via NB: %pM, IF: %s [%pM] "
- "(from OG: %pM, via prev OG: %pM, seqno %d, tq %d, "
- "TTL %d, V %d, IDF %d)\n",
+ "(from OG: %pM, via prev OG: %pM, seqno %d, ttvn %u, "
+ "crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
ethhdr->h_source, if_incoming->net_dev->name,
if_incoming->net_dev->dev_addr, batman_packet->orig,
batman_packet->prev_sender, batman_packet->seqno,
- batman_packet->tq, batman_packet->ttl, batman_packet->version,
+ batman_packet->ttvn, batman_packet->tt_crc,
+ batman_packet->tt_num_changes, batman_packet->tq,
+ batman_packet->ttl, batman_packet->version,
has_directlink_flag);
rcu_read_lock();
@@ -664,7 +695,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
hard_iface->net_dev->dev_addr))
is_my_oldorig = 1;
- if (compare_eth(ethhdr->h_source, broadcast_addr))
+ if (is_broadcast_ether_addr(ethhdr->h_source))
is_broadcast = 1;
}
rcu_read_unlock();
@@ -701,17 +732,16 @@ void receive_bat_packet(struct ethhdr *ethhdr,
/* neighbor has to indicate direct link and it has to
* come via the corresponding interface */
- /* if received seqno equals last send seqno save new
- * seqno for bidirectional check */
+ /* save packet seqno for bidirectional check */
if (has_directlink_flag &&
compare_eth(if_incoming->net_dev->dev_addr,
- batman_packet->orig) &&
- (batman_packet->seqno - if_incoming_seqno + 2 == 0)) {
+ batman_packet->orig)) {
offset = if_incoming->if_num * NUM_WORDS;
spin_lock_bh(&orig_neigh_node->ogm_cnt_lock);
word = &(orig_neigh_node->bcast_own[offset]);
- bit_mark(word, 0);
+ bit_mark(word,
+ if_incoming_seqno - batman_packet->seqno - 2);
orig_neigh_node->bcast_own_sum[if_incoming->if_num] =
bit_packet_count(word);
spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock);
@@ -794,14 +824,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
((orig_node->last_real_seqno == batman_packet->seqno) &&
(orig_node->last_ttl - 3 <= batman_packet->ttl))))
update_orig(bat_priv, orig_node, ethhdr, batman_packet,
- if_incoming, tt_buff, tt_buff_len, is_duplicate);
+ if_incoming, tt_buff, is_duplicate);
/* is single hop (direct) neighbor */
if (is_single_hop_neigh) {
/* mark direct link on incoming interface */
schedule_forward_packet(orig_node, ethhdr, batman_packet,
- 1, tt_buff_len, if_incoming);
+ 1, if_incoming);
bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: "
"rebroadcast neighbor packet with direct link flag\n");
@@ -824,7 +854,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
bat_dbg(DBG_BATMAN, bat_priv,
"Forwarding packet: rebroadcast originator packet\n");
schedule_forward_packet(orig_node, ethhdr, batman_packet,
- 0, tt_buff_len, if_incoming);
+ 0, if_incoming);
out_neigh:
if ((orig_neigh_node) && (!is_single_hop_neigh))
@@ -1077,7 +1107,7 @@ out:
* This method rotates the bonding list and increases the
* returned router's refcount. */
static struct neigh_node *find_bond_router(struct orig_node *primary_orig,
- struct hard_iface *recv_if)
+ const struct hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
@@ -1128,7 +1158,7 @@ out:
*
* Increases the returned router's refcount */
static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
- struct hard_iface *recv_if)
+ const struct hard_iface *recv_if)
{
struct neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL;
@@ -1171,12 +1201,124 @@ static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
return router;
}
+int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
+{
+ struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+ struct tt_query_packet *tt_query;
+ struct ethhdr *ethhdr;
+
+ /* drop packet if it has not necessary minimum size */
+ if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
+ goto out;
+
+ /* I could need to modify it */
+ if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0)
+ goto out;
+
+ ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+ /* packet with unicast indication but broadcast recipient */
+ if (is_broadcast_ether_addr(ethhdr->h_dest))
+ goto out;
+
+ /* packet with broadcast sender address */
+ if (is_broadcast_ether_addr(ethhdr->h_source))
+ goto out;
+
+ tt_query = (struct tt_query_packet *)skb->data;
+
+ tt_query->tt_data = ntohs(tt_query->tt_data);
+
+ switch (tt_query->flags & TT_QUERY_TYPE_MASK) {
+ case TT_REQUEST:
+ /* If we cannot provide an answer the tt_request is
+ * forwarded */
+ if (!send_tt_response(bat_priv, tt_query)) {
+ bat_dbg(DBG_TT, bat_priv,
+ "Routing TT_REQUEST to %pM [%c]\n",
+ tt_query->dst,
+ (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
+ tt_query->tt_data = htons(tt_query->tt_data);
+ return route_unicast_packet(skb, recv_if);
+ }
+ break;
+ case TT_RESPONSE:
+ /* packet needs to be linearised to access the TT changes */
+ if (skb_linearize(skb) < 0)
+ goto out;
+
+ if (is_my_mac(tt_query->dst))
+ handle_tt_response(bat_priv, tt_query);
+ else {
+ bat_dbg(DBG_TT, bat_priv,
+ "Routing TT_RESPONSE to %pM [%c]\n",
+ tt_query->dst,
+ (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
+ tt_query->tt_data = htons(tt_query->tt_data);
+ return route_unicast_packet(skb, recv_if);
+ }
+ break;
+ }
+
+out:
+ /* returning NET_RX_DROP will make the caller function kfree the skb */
+ return NET_RX_DROP;
+}
+
+int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
+{
+ struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+ struct roam_adv_packet *roam_adv_packet;
+ struct orig_node *orig_node;
+ struct ethhdr *ethhdr;
+
+ /* drop packet if it has not necessary minimum size */
+ if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet))))
+ goto out;
+
+ ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+ /* packet with unicast indication but broadcast recipient */
+ if (is_broadcast_ether_addr(ethhdr->h_dest))
+ goto out;
+
+ /* packet with broadcast sender address */
+ if (is_broadcast_ether_addr(ethhdr->h_source))
+ goto out;
+
+ roam_adv_packet = (struct roam_adv_packet *)skb->data;
+
+ if (!is_my_mac(roam_adv_packet->dst))
+ return route_unicast_packet(skb, recv_if);
+
+ orig_node = orig_hash_find(bat_priv, roam_adv_packet->src);
+ if (!orig_node)
+ goto out;
+
+ bat_dbg(DBG_TT, bat_priv, "Received ROAMING_ADV from %pM "
+ "(client %pM)\n", roam_adv_packet->src,
+ roam_adv_packet->client);
+
+ tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
+ atomic_read(&orig_node->last_ttvn) + 1, true);
+
+ /* Roaming phase starts: I have new information but the ttvn has not
+ * been incremented yet. This flag will make me check all the incoming
+ * packets for the correct destination. */
+ bat_priv->tt_poss_change = true;
+
+ orig_node_free_ref(orig_node);
+out:
+ /* returning NET_RX_DROP will make the caller function kfree the skb */
+ return NET_RX_DROP;
+}
+
/* find a suitable router for this originator, and use
* bonding if possible. increases the found neighbors
* refcount.*/
struct neigh_node *find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
- struct hard_iface *recv_if)
+ const struct hard_iface *recv_if)
{
struct orig_node *primary_orig_node;
struct orig_node *router_orig;
@@ -1240,6 +1382,9 @@ struct neigh_node *find_router(struct bat_priv *bat_priv,
router = find_ifalter_router(primary_orig_node, recv_if);
return_router:
+ if (router && router->if_incoming->if_status != IF_ACTIVE)
+ goto err_unlock;
+
rcu_read_unlock();
return router;
err_unlock:
@@ -1354,14 +1499,84 @@ out:
return ret;
}
+static int check_unicast_ttvn(struct bat_priv *bat_priv,
+ struct sk_buff *skb) {
+ uint8_t curr_ttvn;
+ struct orig_node *orig_node;
+ struct ethhdr *ethhdr;
+ struct hard_iface *primary_if;
+ struct unicast_packet *unicast_packet;
+ bool tt_poss_change;
+
+ /* I could need to modify it */
+ if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
+ return 0;
+
+ unicast_packet = (struct unicast_packet *)skb->data;
+
+ if (is_my_mac(unicast_packet->dest)) {
+ tt_poss_change = bat_priv->tt_poss_change;
+ curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+ } else {
+ orig_node = orig_hash_find(bat_priv, unicast_packet->dest);
+
+ if (!orig_node)
+ return 0;
+
+ curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
+ tt_poss_change = orig_node->tt_poss_change;
+ orig_node_free_ref(orig_node);
+ }
+
+ /* Check whether I have to reroute the packet */
+ if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) {
+ /* Linearize the skb before accessing it */
+ if (skb_linearize(skb) < 0)
+ return 0;
+
+ ethhdr = (struct ethhdr *)(skb->data +
+ sizeof(struct unicast_packet));
+ orig_node = transtable_search(bat_priv, ethhdr->h_dest);
+
+ if (!orig_node) {
+ if (!is_my_client(bat_priv, ethhdr->h_dest))
+ return 0;
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ return 0;
+ memcpy(unicast_packet->dest,
+ primary_if->net_dev->dev_addr, ETH_ALEN);
+ hardif_free_ref(primary_if);
+ } else {
+ memcpy(unicast_packet->dest, orig_node->orig,
+ ETH_ALEN);
+ curr_ttvn = (uint8_t)
+ atomic_read(&orig_node->last_ttvn);
+ orig_node_free_ref(orig_node);
+ }
+
+ bat_dbg(DBG_ROUTES, bat_priv, "TTVN mismatch (old_ttvn %u "
+ "new_ttvn %u)! Rerouting unicast packet (for %pM) to "
+ "%pM\n", unicast_packet->ttvn, curr_ttvn,
+ ethhdr->h_dest, unicast_packet->dest);
+
+ unicast_packet->ttvn = curr_ttvn;
+ }
+ return 1;
+}
+
int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
+ struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_packet *unicast_packet;
- int hdr_size = sizeof(struct unicast_packet);
+ int hdr_size = sizeof(*unicast_packet);
if (check_unicast_packet(skb, hdr_size) < 0)
return NET_RX_DROP;
+ if (!check_unicast_ttvn(bat_priv, skb))
+ return NET_RX_DROP;
+
unicast_packet = (struct unicast_packet *)skb->data;
/* packet for me */
@@ -1377,13 +1592,16 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
{
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet;
- int hdr_size = sizeof(struct unicast_frag_packet);
+ int hdr_size = sizeof(*unicast_packet);
struct sk_buff *new_skb = NULL;
int ret;
if (check_unicast_packet(skb, hdr_size) < 0)
return NET_RX_DROP;
+ if (!check_unicast_ttvn(bat_priv, skb))
+ return NET_RX_DROP;
+
unicast_packet = (struct unicast_frag_packet *)skb->data;
/* packet for me */
@@ -1413,7 +1631,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
struct orig_node *orig_node = NULL;
struct bcast_packet *bcast_packet;
struct ethhdr *ethhdr;
- int hdr_size = sizeof(struct bcast_packet);
+ int hdr_size = sizeof(*bcast_packet);
int ret = NET_RX_DROP;
int32_t seq_diff;
@@ -1471,7 +1689,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
spin_unlock_bh(&orig_node->bcast_seqno_lock);
/* rebroadcast packet */
- add_bcast_packet_to_list(bat_priv, skb);
+ add_bcast_packet_to_list(bat_priv, skb, 1);
/* broadcast for me */
interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
@@ -1491,7 +1709,7 @@ int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
struct vis_packet *vis_packet;
struct ethhdr *ethhdr;
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- int hdr_size = sizeof(struct vis_packet);
+ int hdr_size = sizeof(*vis_packet);
/* keep skb linear */
if (skb_linearize(skb) < 0)
diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h
index 870f29842b2..fb14e9579b1 100644
--- a/net/batman-adv/routing.h
+++ b/net/batman-adv/routing.h
@@ -23,13 +23,12 @@
#define _NET_BATMAN_ADV_ROUTING_H_
void slide_own_bcast_window(struct hard_iface *hard_iface);
-void receive_bat_packet(struct ethhdr *ethhdr,
- struct batman_packet *batman_packet,
- unsigned char *tt_buff, int tt_buff_len,
- struct hard_iface *if_incoming);
+void receive_bat_packet(const struct ethhdr *ethhdr,
+ struct batman_packet *batman_packet,
+ const unsigned char *tt_buff,
+ struct hard_iface *if_incoming);
void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
- struct neigh_node *neigh_node, unsigned char *tt_buff,
- int tt_buff_len);
+ struct neigh_node *neigh_node);
int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
@@ -37,9 +36,11 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if);
int recv_bat_packet(struct sk_buff *skb, struct hard_iface *recv_if);
+int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if);
+int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if);
struct neigh_node *find_router(struct bat_priv *bat_priv,
struct orig_node *orig_node,
- struct hard_iface *recv_if);
+ const struct hard_iface *recv_if);
void bonding_candidate_del(struct orig_node *orig_node,
struct neigh_node *neigh_node);
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 33779278f1b..58d14472068 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -33,14 +33,14 @@
static void send_outstanding_bcast_packet(struct work_struct *work);
/* apply hop penalty for a normal link */
-static uint8_t hop_penalty(const uint8_t tq, struct bat_priv *bat_priv)
+static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
{
int hop_penalty = atomic_read(&bat_priv->hop_penalty);
return (tq * (TQ_MAX_VALUE - hop_penalty)) / (TQ_MAX_VALUE);
}
/* when do we schedule our own packet to be sent */
-static unsigned long own_send_time(struct bat_priv *bat_priv)
+static unsigned long own_send_time(const struct bat_priv *bat_priv)
{
return jiffies + msecs_to_jiffies(
atomic_read(&bat_priv->orig_interval) -
@@ -55,9 +55,8 @@ static unsigned long forward_send_time(void)
/* send out an already prepared packet to the given address via the
* specified batman interface */
-int send_skb_packet(struct sk_buff *skb,
- struct hard_iface *hard_iface,
- uint8_t *dst_addr)
+int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
+ const uint8_t *dst_addr)
{
struct ethhdr *ethhdr;
@@ -74,7 +73,7 @@ int send_skb_packet(struct sk_buff *skb,
}
/* push to the ethernet header. */
- if (my_skb_head_push(skb, sizeof(struct ethhdr)) < 0)
+ if (my_skb_head_push(skb, sizeof(*ethhdr)) < 0)
goto send_skb_err;
skb_reset_mac_header(skb);
@@ -121,7 +120,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
/* adjust all flags and log packets */
while (aggregated_packet(buff_pos,
forw_packet->packet_len,
- batman_packet->num_tt)) {
+ batman_packet->tt_num_changes)) {
/* we might have aggregated direct link packets with an
* ordinary base packet */
@@ -136,17 +135,17 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
"Forwarding"));
bat_dbg(DBG_BATMAN, bat_priv,
"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
- " IDF %s) on interface %s [%pM]\n",
+ " IDF %s, hvn %d) on interface %s [%pM]\n",
fwd_str, (packet_num > 0 ? "aggregated " : ""),
batman_packet->orig, ntohl(batman_packet->seqno),
batman_packet->tq, batman_packet->ttl,
(batman_packet->flags & DIRECTLINK ?
"on" : "off"),
- hard_iface->net_dev->name,
+ batman_packet->ttvn, hard_iface->net_dev->name,
hard_iface->net_dev->dev_addr);
- buff_pos += sizeof(struct batman_packet) +
- (batman_packet->num_tt * ETH_ALEN);
+ buff_pos += sizeof(*batman_packet) +
+ tt_len(batman_packet->tt_num_changes);
packet_num++;
batman_packet = (struct batman_packet *)
(forw_packet->skb->data + buff_pos);
@@ -164,26 +163,31 @@ static void send_packet(struct forw_packet *forw_packet)
struct hard_iface *hard_iface;
struct net_device *soft_iface;
struct bat_priv *bat_priv;
+ struct hard_iface *primary_if = NULL;
struct batman_packet *batman_packet =
(struct batman_packet *)(forw_packet->skb->data);
- unsigned char directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
+ int directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
if (!forw_packet->if_incoming) {
pr_err("Error - can't forward packet: incoming iface not "
"specified\n");
- return;
+ goto out;
}
soft_iface = forw_packet->if_incoming->soft_iface;
bat_priv = netdev_priv(soft_iface);
if (forw_packet->if_incoming->if_status != IF_ACTIVE)
- return;
+ goto out;
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
/* multihomed peer assumed */
/* non-primary OGMs are only broadcasted on their interface */
if ((directlink && (batman_packet->ttl == 1)) ||
- (forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
+ (forw_packet->own && (forw_packet->if_incoming != primary_if))) {
/* FIXME: what about aggregated packets ? */
bat_dbg(DBG_BATMAN, bat_priv,
@@ -200,7 +204,7 @@ static void send_packet(struct forw_packet *forw_packet)
broadcast_addr);
forw_packet->skb = NULL;
- return;
+ goto out;
}
/* broadcast on every interface */
@@ -212,28 +216,24 @@ static void send_packet(struct forw_packet *forw_packet)
send_packet_to_if(forw_packet, hard_iface);
}
rcu_read_unlock();
+
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
}
-static void rebuild_batman_packet(struct bat_priv *bat_priv,
- struct hard_iface *hard_iface)
+static void realloc_packet_buffer(struct hard_iface *hard_iface,
+ int new_len)
{
- int new_len;
unsigned char *new_buff;
struct batman_packet *batman_packet;
- new_len = sizeof(struct batman_packet) +
- (bat_priv->num_local_tt * ETH_ALEN);
new_buff = kmalloc(new_len, GFP_ATOMIC);
/* keep old buffer if kmalloc should fail */
if (new_buff) {
memcpy(new_buff, hard_iface->packet_buff,
- sizeof(struct batman_packet));
- batman_packet = (struct batman_packet *)new_buff;
-
- batman_packet->num_tt = tt_local_fill_buffer(bat_priv,
- new_buff + sizeof(struct batman_packet),
- new_len - sizeof(struct batman_packet));
+ sizeof(*batman_packet));
kfree(hard_iface->packet_buff);
hard_iface->packet_buff = new_buff;
@@ -241,6 +241,46 @@ static void rebuild_batman_packet(struct bat_priv *bat_priv,
}
}
+/* when calling this function (hard_iface == primary_if) has to be true */
+static void prepare_packet_buffer(struct bat_priv *bat_priv,
+ struct hard_iface *hard_iface)
+{
+ int new_len;
+ struct batman_packet *batman_packet;
+
+ new_len = BAT_PACKET_LEN +
+ tt_len((uint8_t)atomic_read(&bat_priv->tt_local_changes));
+
+ /* if we have too many changes for one packet don't send any
+ * and wait for the tt table request which will be fragmented */
+ if (new_len > hard_iface->soft_iface->mtu)
+ new_len = BAT_PACKET_LEN;
+
+ realloc_packet_buffer(hard_iface, new_len);
+ batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+
+ atomic_set(&bat_priv->tt_crc, tt_local_crc(bat_priv));
+
+ /* reset the sending counter */
+ atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);
+
+ batman_packet->tt_num_changes = tt_changes_fill_buffer(bat_priv,
+ hard_iface->packet_buff + BAT_PACKET_LEN,
+ hard_iface->packet_len - BAT_PACKET_LEN);
+
+}
+
+static void reset_packet_buffer(struct bat_priv *bat_priv,
+ struct hard_iface *hard_iface)
+{
+ struct batman_packet *batman_packet;
+
+ realloc_packet_buffer(hard_iface, BAT_PACKET_LEN);
+
+ batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+ batman_packet->tt_num_changes = 0;
+}
+
void schedule_own_packet(struct hard_iface *hard_iface)
{
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
@@ -266,14 +306,21 @@ void schedule_own_packet(struct hard_iface *hard_iface)
if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
hard_iface->if_status = IF_ACTIVE;
- /* if local tt has changed and interface is a primary interface */
- if ((atomic_read(&bat_priv->tt_local_changed)) &&
- (hard_iface == primary_if))
- rebuild_batman_packet(bat_priv, hard_iface);
+ if (hard_iface == primary_if) {
+ /* if at least one change happened */
+ if (atomic_read(&bat_priv->tt_local_changes) > 0) {
+ tt_commit_changes(bat_priv);
+ prepare_packet_buffer(bat_priv, hard_iface);
+ }
+
+ /* if the changes have been sent enough times */
+ if (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))
+ reset_packet_buffer(bat_priv, hard_iface);
+ }
/**
* NOTE: packet_buff might just have been re-allocated in
- * rebuild_batman_packet()
+ * prepare_packet_buffer() or in reset_packet_buffer()
*/
batman_packet = (struct batman_packet *)hard_iface->packet_buff;
@@ -281,6 +328,9 @@ void schedule_own_packet(struct hard_iface *hard_iface)
batman_packet->seqno =
htonl((uint32_t)atomic_read(&hard_iface->seqno));
+ batman_packet->ttvn = atomic_read(&bat_priv->ttvn);
+ batman_packet->tt_crc = htons((uint16_t)atomic_read(&bat_priv->tt_crc));
+
if (vis_server == VIS_TYPE_SERVER_SYNC)
batman_packet->flags |= VIS_SERVER;
else
@@ -291,7 +341,7 @@ void schedule_own_packet(struct hard_iface *hard_iface)
batman_packet->gw_flags =
(uint8_t)atomic_read(&bat_priv->gw_bandwidth);
else
- batman_packet->gw_flags = 0;
+ batman_packet->gw_flags = NO_FLAGS;
atomic_inc(&hard_iface->seqno);
@@ -307,15 +357,16 @@ void schedule_own_packet(struct hard_iface *hard_iface)
}
void schedule_forward_packet(struct orig_node *orig_node,
- struct ethhdr *ethhdr,
+ const struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
- uint8_t directlink, int tt_buff_len,
+ int directlink,
struct hard_iface *if_incoming)
{
struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
struct neigh_node *router;
- unsigned char in_tq, in_ttl, tq_avg = 0;
+ uint8_t in_tq, in_ttl, tq_avg = 0;
unsigned long send_time;
+ uint8_t tt_num_changes;
if (batman_packet->ttl <= 1) {
bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
@@ -326,6 +377,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
in_tq = batman_packet->tq;
in_ttl = batman_packet->ttl;
+ tt_num_changes = batman_packet->tt_num_changes;
batman_packet->ttl--;
memcpy(batman_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
@@ -358,6 +410,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
batman_packet->ttl);
batman_packet->seqno = htonl(batman_packet->seqno);
+ batman_packet->tt_crc = htons(batman_packet->tt_crc);
/* switch of primaries first hop flag when forwarding */
batman_packet->flags &= ~PRIMARIES_FIRST_HOP;
@@ -369,7 +422,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
send_time = forward_send_time();
add_bat_packet_to_list(bat_priv,
(unsigned char *)batman_packet,
- sizeof(struct batman_packet) + tt_buff_len,
+ sizeof(*batman_packet) + tt_len(tt_num_changes),
if_incoming, 0, send_time);
}
@@ -408,11 +461,13 @@ static void _add_bcast_packet_to_list(struct bat_priv *bat_priv,
*
* The skb is not consumed, so the caller should make sure that the
* skb is freed. */
-int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb)
+int add_bcast_packet_to_list(struct bat_priv *bat_priv,
+ const struct sk_buff *skb, unsigned long delay)
{
struct hard_iface *primary_if = NULL;
struct forw_packet *forw_packet;
struct bcast_packet *bcast_packet;
+ struct sk_buff *newskb;
if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
bat_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
@@ -423,28 +478,28 @@ int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb)
if (!primary_if)
goto out_and_inc;
- forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
+ forw_packet = kmalloc(sizeof(*forw_packet), GFP_ATOMIC);
if (!forw_packet)
goto out_and_inc;
- skb = skb_copy(skb, GFP_ATOMIC);
- if (!skb)
+ newskb = skb_copy(skb, GFP_ATOMIC);
+ if (!newskb)
goto packet_free;
/* as we have a copy now, it is safe to decrease the TTL */
- bcast_packet = (struct bcast_packet *)skb->data;
+ bcast_packet = (struct bcast_packet *)newskb->data;
bcast_packet->ttl--;
- skb_reset_mac_header(skb);
+ skb_reset_mac_header(newskb);
- forw_packet->skb = skb;
+ forw_packet->skb = newskb;
forw_packet->if_incoming = primary_if;
/* how often did we send the bcast packet ? */
forw_packet->num_packets = 0;
- _add_bcast_packet_to_list(bat_priv, forw_packet, 1);
+ _add_bcast_packet_to_list(bat_priv, forw_packet, delay);
return NETDEV_TX_OK;
packet_free:
@@ -537,7 +592,7 @@ out:
}
void purge_outstanding_packets(struct bat_priv *bat_priv,
- struct hard_iface *hard_iface)
+ const struct hard_iface *hard_iface)
{
struct forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node;
diff --git a/net/batman-adv/send.h b/net/batman-adv/send.h
index 247172d71e4..1f2d1e87766 100644
--- a/net/batman-adv/send.h
+++ b/net/batman-adv/send.h
@@ -22,18 +22,18 @@
#ifndef _NET_BATMAN_ADV_SEND_H_
#define _NET_BATMAN_ADV_SEND_H_
-int send_skb_packet(struct sk_buff *skb,
- struct hard_iface *hard_iface,
- uint8_t *dst_addr);
+int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
+ const uint8_t *dst_addr);
void schedule_own_packet(struct hard_iface *hard_iface);
void schedule_forward_packet(struct orig_node *orig_node,
- struct ethhdr *ethhdr,
+ const struct ethhdr *ethhdr,
struct batman_packet *batman_packet,
- uint8_t directlink, int tt_buff_len,
+ int directlink,
struct hard_iface *if_outgoing);
-int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb);
+int add_bcast_packet_to_list(struct bat_priv *bat_priv,
+ const struct sk_buff *skb, unsigned long delay);
void send_outstanding_bat_packet(struct work_struct *work);
void purge_outstanding_packets(struct bat_priv *bat_priv,
- struct hard_iface *hard_iface);
+ const struct hard_iface *hard_iface);
#endif /* _NET_BATMAN_ADV_SEND_H_ */
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index d5aa60999e8..3e2f91ffa4e 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -30,6 +30,7 @@
#include "gateway_common.h"
#include "gateway_client.h"
#include "bat_sysfs.h"
+#include "originator.h"
#include <linux/slab.h>
#include <linux/ethtool.h>
#include <linux/etherdevice.h>
@@ -123,8 +124,7 @@ static struct softif_neigh_vid *softif_neigh_vid_get(struct bat_priv *bat_priv,
goto out;
}
- softif_neigh_vid = kzalloc(sizeof(struct softif_neigh_vid),
- GFP_ATOMIC);
+ softif_neigh_vid = kzalloc(sizeof(*softif_neigh_vid), GFP_ATOMIC);
if (!softif_neigh_vid)
goto out;
@@ -146,7 +146,7 @@ out:
}
static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv,
- uint8_t *addr, short vid)
+ const uint8_t *addr, short vid)
{
struct softif_neigh_vid *softif_neigh_vid;
struct softif_neigh *softif_neigh = NULL;
@@ -170,7 +170,7 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv,
goto unlock;
}
- softif_neigh = kzalloc(sizeof(struct softif_neigh), GFP_ATOMIC);
+ softif_neigh = kzalloc(sizeof(*softif_neigh), GFP_ATOMIC);
if (!softif_neigh)
goto unlock;
@@ -242,7 +242,8 @@ static void softif_neigh_vid_select(struct bat_priv *bat_priv,
if (new_neigh && !atomic_inc_not_zero(&new_neigh->refcount))
new_neigh = NULL;
- curr_neigh = softif_neigh_vid->softif_neigh;
+ curr_neigh = rcu_dereference_protected(softif_neigh_vid->softif_neigh,
+ 1);
rcu_assign_pointer(softif_neigh_vid->softif_neigh, new_neigh);
if ((curr_neigh) && (!new_neigh))
@@ -380,7 +381,7 @@ void softif_neigh_purge(struct bat_priv *bat_priv)
struct softif_neigh *softif_neigh, *curr_softif_neigh;
struct softif_neigh_vid *softif_neigh_vid;
struct hlist_node *node, *node_tmp, *node_tmp2;
- char do_deselect;
+ int do_deselect;
rcu_read_lock();
hlist_for_each_entry_rcu(softif_neigh_vid, node,
@@ -534,7 +535,7 @@ static int interface_set_mac_addr(struct net_device *dev, void *p)
/* only modify transtable if it has been initialised before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
tt_local_remove(bat_priv, dev->dev_addr,
- "mac address changed");
+ "mac address changed", false);
tt_local_add(dev, addr->sa_data);
}
@@ -553,7 +554,7 @@ static int interface_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
-int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
+static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
{
struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface);
@@ -561,6 +562,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
struct bcast_packet *bcast_packet;
struct vlan_ethhdr *vhdr;
struct softif_neigh *curr_softif_neigh = NULL;
+ struct orig_node *orig_node = NULL;
int data_len = skb->len, ret;
short vid = -1;
bool do_bcast = false;
@@ -592,11 +594,13 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
if (curr_softif_neigh)
goto dropped;
- /* TODO: check this for locks */
+ /* Register the client MAC in the transtable */
tt_local_add(soft_iface, ethhdr->h_source);
- if (is_multicast_ether_addr(ethhdr->h_dest)) {
- ret = gw_is_target(bat_priv, skb);
+ orig_node = transtable_search(bat_priv, ethhdr->h_dest);
+ if (is_multicast_ether_addr(ethhdr->h_dest) ||
+ (orig_node && orig_node->gw_flags)) {
+ ret = gw_is_target(bat_priv, skb, orig_node);
if (ret < 0)
goto dropped;
@@ -611,7 +615,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
if (!primary_if)
goto dropped;
- if (my_skb_head_push(skb, sizeof(struct bcast_packet)) < 0)
+ if (my_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped;
bcast_packet = (struct bcast_packet *)skb->data;
@@ -630,7 +634,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
bcast_packet->seqno =
htonl(atomic_inc_return(&bat_priv->bcast_seqno));
- add_bcast_packet_to_list(bat_priv, skb);
+ add_bcast_packet_to_list(bat_priv, skb, 1);
/* a copy is stored in the bcast list, therefore removing
* the original skb. */
@@ -656,6 +660,8 @@ end:
softif_neigh_free_ref(curr_softif_neigh);
if (primary_if)
hardif_free_ref(primary_if);
+ if (orig_node)
+ orig_node_free_ref(orig_node);
return NETDEV_TX_OK;
}
@@ -744,7 +750,6 @@ out:
return;
}
-#ifdef HAVE_NET_DEVICE_OPS
static const struct net_device_ops bat_netdev_ops = {
.ndo_open = interface_open,
.ndo_stop = interface_release,
@@ -754,7 +759,6 @@ static const struct net_device_ops bat_netdev_ops = {
.ndo_start_xmit = interface_tx,
.ndo_validate_addr = eth_validate_addr
};
-#endif
static void interface_setup(struct net_device *dev)
{
@@ -763,16 +767,7 @@ static void interface_setup(struct net_device *dev)
ether_setup(dev);
-#ifdef HAVE_NET_DEVICE_OPS
dev->netdev_ops = &bat_netdev_ops;
-#else
- dev->open = interface_open;
- dev->stop = interface_release;
- dev->get_stats = interface_stats;
- dev->set_mac_address = interface_set_mac_addr;
- dev->change_mtu = interface_change_mtu;
- dev->hard_start_xmit = interface_tx;
-#endif
dev->destructor = free_netdev;
dev->tx_queue_len = 0;
@@ -790,17 +785,16 @@ static void interface_setup(struct net_device *dev)
SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
- memset(priv, 0, sizeof(struct bat_priv));
+ memset(priv, 0, sizeof(*priv));
}
-struct net_device *softif_create(char *name)
+struct net_device *softif_create(const char *name)
{
struct net_device *soft_iface;
struct bat_priv *bat_priv;
int ret;
- soft_iface = alloc_netdev(sizeof(struct bat_priv) , name,
- interface_setup);
+ soft_iface = alloc_netdev(sizeof(*bat_priv), name, interface_setup);
if (!soft_iface) {
pr_err("Unable to allocate the batman interface: %s\n", name);
@@ -831,7 +825,13 @@ struct net_device *softif_create(char *name)
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
atomic_set(&bat_priv->bcast_seqno, 1);
- atomic_set(&bat_priv->tt_local_changed, 0);
+ atomic_set(&bat_priv->ttvn, 0);
+ atomic_set(&bat_priv->tt_local_changes, 0);
+ atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+
+ bat_priv->tt_buff = NULL;
+ bat_priv->tt_buff_len = 0;
+ bat_priv->tt_poss_change = false;
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;
@@ -872,15 +872,10 @@ void softif_destroy(struct net_device *soft_iface)
unregister_netdevice(soft_iface);
}
-int softif_is_valid(struct net_device *net_dev)
+int softif_is_valid(const struct net_device *net_dev)
{
-#ifdef HAVE_NET_DEVICE_OPS
if (net_dev->netdev_ops->ndo_start_xmit == interface_tx)
return 1;
-#else
- if (net_dev->hard_start_xmit == interface_tx)
- return 1;
-#endif
return 0;
}
@@ -924,4 +919,3 @@ static u32 bat_get_link(struct net_device *dev)
{
return 1;
}
-
diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h
index 4789b6f2a0b..001546fc96f 100644
--- a/net/batman-adv/soft-interface.h
+++ b/net/batman-adv/soft-interface.h
@@ -25,12 +25,11 @@
int my_skb_head_push(struct sk_buff *skb, unsigned int len);
int softif_neigh_seq_print_text(struct seq_file *seq, void *offset);
void softif_neigh_purge(struct bat_priv *bat_priv);
-int interface_tx(struct sk_buff *skb, struct net_device *soft_iface);
void interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct hard_iface *recv_if,
int hdr_size);
-struct net_device *softif_create(char *name);
+struct net_device *softif_create(const char *name);
void softif_destroy(struct net_device *soft_iface);
-int softif_is_valid(struct net_device *net_dev);
+int softif_is_valid(const struct net_device *net_dev);
#endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 7b729660cbf..fb6931d00cd 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -23,38 +23,45 @@
#include "translation-table.h"
#include "soft-interface.h"
#include "hard-interface.h"
+#include "send.h"
#include "hash.h"
#include "originator.h"
+#include "routing.h"
-static void tt_local_purge(struct work_struct *work);
-static void _tt_global_del_orig(struct bat_priv *bat_priv,
- struct tt_global_entry *tt_global_entry,
- char *message);
+#include <linux/crc16.h>
+
+static void _tt_global_del(struct bat_priv *bat_priv,
+ struct tt_global_entry *tt_global_entry,
+ const char *message);
+static void tt_purge(struct work_struct *work);
/* returns 1 if they are the same mac addr */
-static int compare_ltt(struct hlist_node *node, void *data2)
+static int compare_ltt(const struct hlist_node *node, const void *data2)
{
- void *data1 = container_of(node, struct tt_local_entry, hash_entry);
+ const void *data1 = container_of(node, struct tt_local_entry,
+ hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
/* returns 1 if they are the same mac addr */
-static int compare_gtt(struct hlist_node *node, void *data2)
+static int compare_gtt(const struct hlist_node *node, const void *data2)
{
- void *data1 = container_of(node, struct tt_global_entry, hash_entry);
+ const void *data1 = container_of(node, struct tt_global_entry,
+ hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
-static void tt_local_start_timer(struct bat_priv *bat_priv)
+static void tt_start_timer(struct bat_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->tt_work, tt_local_purge);
- queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work, 10 * HZ);
+ INIT_DELAYED_WORK(&bat_priv->tt_work, tt_purge);
+ queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work,
+ msecs_to_jiffies(5000));
}
static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
- void *data)
+ const void *data)
{
struct hashtable_t *hash = bat_priv->tt_local_hash;
struct hlist_head *head;
@@ -73,6 +80,9 @@ static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
if (!compare_eth(tt_local_entry, data))
continue;
+ if (!atomic_inc_not_zero(&tt_local_entry->refcount))
+ continue;
+
tt_local_entry_tmp = tt_local_entry;
break;
}
@@ -82,7 +92,7 @@ static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
}
static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
- void *data)
+ const void *data)
{
struct hashtable_t *hash = bat_priv->tt_global_hash;
struct hlist_head *head;
@@ -102,6 +112,9 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
if (!compare_eth(tt_global_entry, data))
continue;
+ if (!atomic_inc_not_zero(&tt_global_entry->refcount))
+ continue;
+
tt_global_entry_tmp = tt_global_entry;
break;
}
@@ -110,7 +123,54 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
return tt_global_entry_tmp;
}
-int tt_local_init(struct bat_priv *bat_priv)
+static bool is_out_of_time(unsigned long starting_time, unsigned long timeout)
+{
+ unsigned long deadline;
+ deadline = starting_time + msecs_to_jiffies(timeout);
+
+ return time_after(jiffies, deadline);
+}
+
+static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
+{
+ if (atomic_dec_and_test(&tt_local_entry->refcount))
+ kfree_rcu(tt_local_entry, rcu);
+}
+
+static void tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry)
+{
+ if (atomic_dec_and_test(&tt_global_entry->refcount))
+ kfree_rcu(tt_global_entry, rcu);
+}
+
+static void tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr,
+ uint8_t flags)
+{
+ struct tt_change_node *tt_change_node;
+
+ tt_change_node = kmalloc(sizeof(*tt_change_node), GFP_ATOMIC);
+
+ if (!tt_change_node)
+ return;
+
+ tt_change_node->change.flags = flags;
+ memcpy(tt_change_node->change.addr, addr, ETH_ALEN);
+
+ spin_lock_bh(&bat_priv->tt_changes_list_lock);
+ /* track the change in the OGMinterval list */
+ list_add_tail(&tt_change_node->list, &bat_priv->tt_changes_list);
+ atomic_inc(&bat_priv->tt_local_changes);
+ spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+
+ atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+}
+
+int tt_len(int changes_num)
+{
+ return changes_num * sizeof(struct tt_change);
+}
+
+static int tt_local_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_local_hash)
return 1;
@@ -120,116 +180,114 @@ int tt_local_init(struct bat_priv *bat_priv)
if (!bat_priv->tt_local_hash)
return 0;
- atomic_set(&bat_priv->tt_local_changed, 0);
- tt_local_start_timer(bat_priv);
-
return 1;
}
-void tt_local_add(struct net_device *soft_iface, uint8_t *addr)
+void tt_local_add(struct net_device *soft_iface, const uint8_t *addr)
{
struct bat_priv *bat_priv = netdev_priv(soft_iface);
- struct tt_local_entry *tt_local_entry;
- struct tt_global_entry *tt_global_entry;
- int required_bytes;
+ struct tt_local_entry *tt_local_entry = NULL;
+ struct tt_global_entry *tt_global_entry = NULL;
- spin_lock_bh(&bat_priv->tt_lhash_lock);
tt_local_entry = tt_local_hash_find(bat_priv, addr);
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
if (tt_local_entry) {
tt_local_entry->last_seen = jiffies;
- return;
- }
-
- /* only announce as many hosts as possible in the batman-packet and
- space in batman_packet->num_tt That also should give a limit to
- MAC-flooding. */
- required_bytes = (bat_priv->num_local_tt + 1) * ETH_ALEN;
- required_bytes += BAT_PACKET_LEN;
-
- if ((required_bytes > ETH_DATA_LEN) ||
- (atomic_read(&bat_priv->aggregated_ogms) &&
- required_bytes > MAX_AGGREGATION_BYTES) ||
- (bat_priv->num_local_tt + 1 > 255)) {
- bat_dbg(DBG_ROUTES, bat_priv,
- "Can't add new local tt entry (%pM): "
- "number of local tt entries exceeds packet size\n",
- addr);
- return;
+ goto out;
}
- bat_dbg(DBG_ROUTES, bat_priv,
- "Creating new local tt entry: %pM\n", addr);
-
- tt_local_entry = kmalloc(sizeof(struct tt_local_entry), GFP_ATOMIC);
+ tt_local_entry = kmalloc(sizeof(*tt_local_entry), GFP_ATOMIC);
if (!tt_local_entry)
- return;
+ goto out;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Creating new local tt entry: %pM (ttvn: %d)\n", addr,
+ (uint8_t)atomic_read(&bat_priv->ttvn));
memcpy(tt_local_entry->addr, addr, ETH_ALEN);
tt_local_entry->last_seen = jiffies;
+ tt_local_entry->flags = NO_FLAGS;
+ atomic_set(&tt_local_entry->refcount, 2);
/* the batman interface mac address should never be purged */
if (compare_eth(addr, soft_iface->dev_addr))
- tt_local_entry->never_purge = 1;
- else
- tt_local_entry->never_purge = 0;
+ tt_local_entry->flags |= TT_CLIENT_NOPURGE;
- spin_lock_bh(&bat_priv->tt_lhash_lock);
+ tt_local_event(bat_priv, addr, tt_local_entry->flags);
+
+ /* The local entry has to be marked as NEW to avoid to send it in
+ * a full table response going out before the next ttvn increment
+ * (consistency check) */
+ tt_local_entry->flags |= TT_CLIENT_NEW;
hash_add(bat_priv->tt_local_hash, compare_ltt, choose_orig,
tt_local_entry, &tt_local_entry->hash_entry);
- bat_priv->num_local_tt++;
- atomic_set(&bat_priv->tt_local_changed, 1);
-
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
/* remove address from global hash if present */
- spin_lock_bh(&bat_priv->tt_ghash_lock);
-
tt_global_entry = tt_global_hash_find(bat_priv, addr);
+ /* Check whether it is a roaming! */
+ if (tt_global_entry) {
+ /* This node is probably going to update its tt table */
+ tt_global_entry->orig_node->tt_poss_change = true;
+ /* The global entry has to be marked as PENDING and has to be
+ * kept for consistency purpose */
+ tt_global_entry->flags |= TT_CLIENT_PENDING;
+ send_roam_adv(bat_priv, tt_global_entry->addr,
+ tt_global_entry->orig_node);
+ }
+out:
+ if (tt_local_entry)
+ tt_local_entry_free_ref(tt_local_entry);
if (tt_global_entry)
- _tt_global_del_orig(bat_priv, tt_global_entry,
- "local tt received");
-
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
+ tt_global_entry_free_ref(tt_global_entry);
}
-int tt_local_fill_buffer(struct bat_priv *bat_priv,
- unsigned char *buff, int buff_len)
+int tt_changes_fill_buffer(struct bat_priv *bat_priv,
+ unsigned char *buff, int buff_len)
{
- struct hashtable_t *hash = bat_priv->tt_local_hash;
- struct tt_local_entry *tt_local_entry;
- struct hlist_node *node;
- struct hlist_head *head;
- int i, count = 0;
+ int count = 0, tot_changes = 0;
+ struct tt_change_node *entry, *safe;
- spin_lock_bh(&bat_priv->tt_lhash_lock);
+ if (buff_len > 0)
+ tot_changes = buff_len / tt_len(1);
- for (i = 0; i < hash->size; i++) {
- head = &hash->table[i];
-
- rcu_read_lock();
- hlist_for_each_entry_rcu(tt_local_entry, node,
- head, hash_entry) {
- if (buff_len < (count + 1) * ETH_ALEN)
- break;
-
- memcpy(buff + (count * ETH_ALEN), tt_local_entry->addr,
- ETH_ALEN);
+ spin_lock_bh(&bat_priv->tt_changes_list_lock);
+ atomic_set(&bat_priv->tt_local_changes, 0);
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ list) {
+ if (count < tot_changes) {
+ memcpy(buff + tt_len(count),
+ &entry->change, sizeof(struct tt_change));
count++;
}
- rcu_read_unlock();
+ list_del(&entry->list);
+ kfree(entry);
}
+ spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+
+ /* Keep the buffer for possible tt_request */
+ spin_lock_bh(&bat_priv->tt_buff_lock);
+ kfree(bat_priv->tt_buff);
+ bat_priv->tt_buff_len = 0;
+ bat_priv->tt_buff = NULL;
+ /* We check whether this new OGM has no changes due to size
+ * problems */
+ if (buff_len > 0) {
+ /**
+ * if kmalloc() fails we will reply with the full table
+ * instead of providing the diff
+ */
+ bat_priv->tt_buff = kmalloc(buff_len, GFP_ATOMIC);
+ if (bat_priv->tt_buff) {
+ memcpy(bat_priv->tt_buff, buff, buff_len);
+ bat_priv->tt_buff_len = buff_len;
+ }
+ }
+ spin_unlock_bh(&bat_priv->tt_buff_lock);
- /* if we did not get all new local tts see you next time ;-) */
- if (count == bat_priv->num_local_tt)
- atomic_set(&bat_priv->tt_local_changed, 0);
-
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
- return count;
+ return tot_changes;
}
int tt_local_seq_print_text(struct seq_file *seq, void *offset)
@@ -261,10 +319,8 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
}
seq_printf(seq, "Locally retrieved addresses (from %s) "
- "announced via TT:\n",
- net_dev->name);
-
- spin_lock_bh(&bat_priv->tt_lhash_lock);
+ "announced via TT (TTVN: %u):\n",
+ net_dev->name, (uint8_t)atomic_read(&bat_priv->ttvn));
buf_size = 1;
/* Estimate length for: " * xx:xx:xx:xx:xx:xx\n" */
@@ -279,7 +335,6 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
buff = kmalloc(buf_size, GFP_ATOMIC);
if (!buff) {
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
ret = -ENOMEM;
goto out;
}
@@ -299,8 +354,6 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
rcu_read_unlock();
}
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
-
seq_printf(seq, "%s", buff);
kfree(buff);
out:
@@ -309,92 +362,109 @@ out:
return ret;
}
-static void _tt_local_del(struct hlist_node *node, void *arg)
+static void tt_local_set_pending(struct bat_priv *bat_priv,
+ struct tt_local_entry *tt_local_entry,
+ uint16_t flags)
{
- struct bat_priv *bat_priv = (struct bat_priv *)arg;
- void *data = container_of(node, struct tt_local_entry, hash_entry);
+ tt_local_event(bat_priv, tt_local_entry->addr,
+ tt_local_entry->flags | flags);
- kfree(data);
- bat_priv->num_local_tt--;
- atomic_set(&bat_priv->tt_local_changed, 1);
+ /* The local client has to be merked as "pending to be removed" but has
+ * to be kept in the table in order to send it in an full tables
+ * response issued before the net ttvn increment (consistency check) */
+ tt_local_entry->flags |= TT_CLIENT_PENDING;
}
-static void tt_local_del(struct bat_priv *bat_priv,
- struct tt_local_entry *tt_local_entry,
- char *message)
+void tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr,
+ const char *message, bool roaming)
{
- bat_dbg(DBG_ROUTES, bat_priv, "Deleting local tt entry (%pM): %s\n",
- tt_local_entry->addr, message);
-
- hash_remove(bat_priv->tt_local_hash, compare_ltt, choose_orig,
- tt_local_entry->addr);
- _tt_local_del(&tt_local_entry->hash_entry, bat_priv);
-}
-
-void tt_local_remove(struct bat_priv *bat_priv,
- uint8_t *addr, char *message)
-{
- struct tt_local_entry *tt_local_entry;
-
- spin_lock_bh(&bat_priv->tt_lhash_lock);
+ struct tt_local_entry *tt_local_entry = NULL;
tt_local_entry = tt_local_hash_find(bat_priv, addr);
+ if (!tt_local_entry)
+ goto out;
- if (tt_local_entry)
- tt_local_del(bat_priv, tt_local_entry, message);
+ tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL |
+ (roaming ? TT_CLIENT_ROAM : NO_FLAGS));
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
+ bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) pending to be removed: "
+ "%s\n", tt_local_entry->addr, message);
+out:
+ if (tt_local_entry)
+ tt_local_entry_free_ref(tt_local_entry);
}
-static void tt_local_purge(struct work_struct *work)
+static void tt_local_purge(struct bat_priv *bat_priv)
{
- struct delayed_work *delayed_work =
- container_of(work, struct delayed_work, work);
- struct bat_priv *bat_priv =
- container_of(delayed_work, struct bat_priv, tt_work);
struct hashtable_t *hash = bat_priv->tt_local_hash;
struct tt_local_entry *tt_local_entry;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
- unsigned long timeout;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
int i;
- spin_lock_bh(&bat_priv->tt_lhash_lock);
-
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
+ spin_lock_bh(list_lock);
hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
head, hash_entry) {
- if (tt_local_entry->never_purge)
+ if (tt_local_entry->flags & TT_CLIENT_NOPURGE)
continue;
- timeout = tt_local_entry->last_seen;
- timeout += TT_LOCAL_TIMEOUT * HZ;
+ /* entry already marked for deletion */
+ if (tt_local_entry->flags & TT_CLIENT_PENDING)
+ continue;
- if (time_before(jiffies, timeout))
+ if (!is_out_of_time(tt_local_entry->last_seen,
+ TT_LOCAL_TIMEOUT * 1000))
continue;
- tt_local_del(bat_priv, tt_local_entry,
- "address timed out");
+ tt_local_set_pending(bat_priv, tt_local_entry,
+ TT_CLIENT_DEL);
+ bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) "
+ "pending to be removed: timed out\n",
+ tt_local_entry->addr);
}
+ spin_unlock_bh(list_lock);
}
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
- tt_local_start_timer(bat_priv);
}
-void tt_local_free(struct bat_priv *bat_priv)
+static void tt_local_table_free(struct bat_priv *bat_priv)
{
+ struct hashtable_t *hash;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
+ struct tt_local_entry *tt_local_entry;
+ struct hlist_node *node, *node_tmp;
+ struct hlist_head *head;
+ int i;
+
if (!bat_priv->tt_local_hash)
return;
- cancel_delayed_work_sync(&bat_priv->tt_work);
- hash_delete(bat_priv->tt_local_hash, _tt_local_del, bat_priv);
+ hash = bat_priv->tt_local_hash;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
+
+ spin_lock_bh(list_lock);
+ hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
+ head, hash_entry) {
+ hlist_del_rcu(node);
+ tt_local_entry_free_ref(tt_local_entry);
+ }
+ spin_unlock_bh(list_lock);
+ }
+
+ hash_destroy(hash);
+
bat_priv->tt_local_hash = NULL;
}
-int tt_global_init(struct bat_priv *bat_priv)
+static int tt_global_init(struct bat_priv *bat_priv)
{
if (bat_priv->tt_global_hash)
return 1;
@@ -407,74 +477,78 @@ int tt_global_init(struct bat_priv *bat_priv)
return 1;
}
-void tt_global_add_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- unsigned char *tt_buff, int tt_buff_len)
+static void tt_changes_list_free(struct bat_priv *bat_priv)
{
- struct tt_global_entry *tt_global_entry;
- struct tt_local_entry *tt_local_entry;
- int tt_buff_count = 0;
- unsigned char *tt_ptr;
+ struct tt_change_node *entry, *safe;
- while ((tt_buff_count + 1) * ETH_ALEN <= tt_buff_len) {
- spin_lock_bh(&bat_priv->tt_ghash_lock);
+ spin_lock_bh(&bat_priv->tt_changes_list_lock);
- tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
- tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
-
- if (!tt_global_entry) {
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
- tt_global_entry =
- kmalloc(sizeof(struct tt_global_entry),
- GFP_ATOMIC);
-
- if (!tt_global_entry)
- break;
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ list) {
+ list_del(&entry->list);
+ kfree(entry);
+ }
- memcpy(tt_global_entry->addr, tt_ptr, ETH_ALEN);
+ atomic_set(&bat_priv->tt_local_changes, 0);
+ spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+}
- bat_dbg(DBG_ROUTES, bat_priv,
- "Creating new global tt entry: "
- "%pM (via %pM)\n",
- tt_global_entry->addr, orig_node->orig);
+/* caller must hold orig_node refcount */
+int tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ const unsigned char *tt_addr, uint8_t ttvn, bool roaming)
+{
+ struct tt_global_entry *tt_global_entry;
+ struct orig_node *orig_node_tmp;
+ int ret = 0;
- spin_lock_bh(&bat_priv->tt_ghash_lock);
- hash_add(bat_priv->tt_global_hash, compare_gtt,
- choose_orig, tt_global_entry,
- &tt_global_entry->hash_entry);
+ tt_global_entry = tt_global_hash_find(bat_priv, tt_addr);
- }
+ if (!tt_global_entry) {
+ tt_global_entry =
+ kmalloc(sizeof(*tt_global_entry),
+ GFP_ATOMIC);
+ if (!tt_global_entry)
+ goto out;
+ memcpy(tt_global_entry->addr, tt_addr, ETH_ALEN);
+ /* Assign the new orig_node */
+ atomic_inc(&orig_node->refcount);
tt_global_entry->orig_node = orig_node;
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
- /* remove address from local hash if present */
- spin_lock_bh(&bat_priv->tt_lhash_lock);
-
- tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
- tt_local_entry = tt_local_hash_find(bat_priv, tt_ptr);
-
- if (tt_local_entry)
- tt_local_del(bat_priv, tt_local_entry,
- "global tt received");
-
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
-
- tt_buff_count++;
+ tt_global_entry->ttvn = ttvn;
+ tt_global_entry->flags = NO_FLAGS;
+ tt_global_entry->roam_at = 0;
+ atomic_set(&tt_global_entry->refcount, 2);
+
+ hash_add(bat_priv->tt_global_hash, compare_gtt,
+ choose_orig, tt_global_entry,
+ &tt_global_entry->hash_entry);
+ atomic_inc(&orig_node->tt_size);
+ } else {
+ if (tt_global_entry->orig_node != orig_node) {
+ atomic_dec(&tt_global_entry->orig_node->tt_size);
+ orig_node_tmp = tt_global_entry->orig_node;
+ atomic_inc(&orig_node->refcount);
+ tt_global_entry->orig_node = orig_node;
+ orig_node_free_ref(orig_node_tmp);
+ atomic_inc(&orig_node->tt_size);
+ }
+ tt_global_entry->ttvn = ttvn;
+ tt_global_entry->flags = NO_FLAGS;
+ tt_global_entry->roam_at = 0;
}
- /* initialize, and overwrite if malloc succeeds */
- orig_node->tt_buff = NULL;
- orig_node->tt_buff_len = 0;
+ bat_dbg(DBG_TT, bat_priv,
+ "Creating new global tt entry: %pM (via %pM)\n",
+ tt_global_entry->addr, orig_node->orig);
- if (tt_buff_len > 0) {
- orig_node->tt_buff = kmalloc(tt_buff_len, GFP_ATOMIC);
- if (orig_node->tt_buff) {
- memcpy(orig_node->tt_buff, tt_buff, tt_buff_len);
- orig_node->tt_buff_len = tt_buff_len;
- }
- }
+ /* remove address from local hash if present */
+ tt_local_remove(bat_priv, tt_global_entry->addr,
+ "global tt received", roaming);
+ ret = 1;
+out:
+ if (tt_global_entry)
+ tt_global_entry_free_ref(tt_global_entry);
+ return ret;
}
int tt_global_seq_print_text(struct seq_file *seq, void *offset)
@@ -508,26 +582,27 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset)
seq_printf(seq,
"Globally announced TT entries received via the mesh %s\n",
net_dev->name);
-
- spin_lock_bh(&bat_priv->tt_ghash_lock);
+ seq_printf(seq, " %-13s %s %-15s %s\n",
+ "Client", "(TTVN)", "Originator", "(Curr TTVN)");
buf_size = 1;
- /* Estimate length for: " * xx:xx:xx:xx:xx:xx via xx:xx:xx:xx:xx:xx\n"*/
+ /* Estimate length for: " * xx:xx:xx:xx:xx:xx (ttvn) via
+ * xx:xx:xx:xx:xx:xx (cur_ttvn)\n"*/
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
__hlist_for_each_rcu(node, head)
- buf_size += 43;
+ buf_size += 59;
rcu_read_unlock();
}
buff = kmalloc(buf_size, GFP_ATOMIC);
if (!buff) {
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
ret = -ENOMEM;
goto out;
}
+
buff[0] = '\0';
pos = 0;
@@ -537,16 +612,18 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset)
rcu_read_lock();
hlist_for_each_entry_rcu(tt_global_entry, node,
head, hash_entry) {
- pos += snprintf(buff + pos, 44,
- " * %pM via %pM\n",
+ pos += snprintf(buff + pos, 61,
+ " * %pM (%3u) via %pM (%3u)\n",
tt_global_entry->addr,
- tt_global_entry->orig_node->orig);
+ tt_global_entry->ttvn,
+ tt_global_entry->orig_node->orig,
+ (uint8_t) atomic_read(
+ &tt_global_entry->orig_node->
+ last_ttvn));
}
rcu_read_unlock();
}
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
seq_printf(seq, "%s", buff);
kfree(buff);
out:
@@ -555,84 +632,1091 @@ out:
return ret;
}
-static void _tt_global_del_orig(struct bat_priv *bat_priv,
- struct tt_global_entry *tt_global_entry,
- char *message)
+static void _tt_global_del(struct bat_priv *bat_priv,
+ struct tt_global_entry *tt_global_entry,
+ const char *message)
{
- bat_dbg(DBG_ROUTES, bat_priv,
+ if (!tt_global_entry)
+ goto out;
+
+ bat_dbg(DBG_TT, bat_priv,
"Deleting global tt entry %pM (via %pM): %s\n",
tt_global_entry->addr, tt_global_entry->orig_node->orig,
message);
+ atomic_dec(&tt_global_entry->orig_node->tt_size);
+
hash_remove(bat_priv->tt_global_hash, compare_gtt, choose_orig,
tt_global_entry->addr);
- kfree(tt_global_entry);
+out:
+ if (tt_global_entry)
+ tt_global_entry_free_ref(tt_global_entry);
}
-void tt_global_del_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node, char *message)
+void tt_global_del(struct bat_priv *bat_priv,
+ struct orig_node *orig_node, const unsigned char *addr,
+ const char *message, bool roaming)
{
- struct tt_global_entry *tt_global_entry;
- int tt_buff_count = 0;
- unsigned char *tt_ptr;
+ struct tt_global_entry *tt_global_entry = NULL;
- if (orig_node->tt_buff_len == 0)
- return;
+ tt_global_entry = tt_global_hash_find(bat_priv, addr);
+ if (!tt_global_entry)
+ goto out;
- spin_lock_bh(&bat_priv->tt_ghash_lock);
+ if (tt_global_entry->orig_node == orig_node) {
+ if (roaming) {
+ tt_global_entry->flags |= TT_CLIENT_ROAM;
+ tt_global_entry->roam_at = jiffies;
+ goto out;
+ }
+ _tt_global_del(bat_priv, tt_global_entry, message);
+ }
+out:
+ if (tt_global_entry)
+ tt_global_entry_free_ref(tt_global_entry);
+}
- while ((tt_buff_count + 1) * ETH_ALEN <= orig_node->tt_buff_len) {
- tt_ptr = orig_node->tt_buff + (tt_buff_count * ETH_ALEN);
- tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
+void tt_global_del_orig(struct bat_priv *bat_priv,
+ struct orig_node *orig_node, const char *message)
+{
+ struct tt_global_entry *tt_global_entry;
+ int i;
+ struct hashtable_t *hash = bat_priv->tt_global_hash;
+ struct hlist_node *node, *safe;
+ struct hlist_head *head;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
- if ((tt_global_entry) &&
- (tt_global_entry->orig_node == orig_node))
- _tt_global_del_orig(bat_priv, tt_global_entry,
- message);
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
- tt_buff_count++;
+ spin_lock_bh(list_lock);
+ hlist_for_each_entry_safe(tt_global_entry, node, safe,
+ head, hash_entry) {
+ if (tt_global_entry->orig_node == orig_node) {
+ bat_dbg(DBG_TT, bat_priv,
+ "Deleting global tt entry %pM "
+ "(via %pM): originator time out\n",
+ tt_global_entry->addr,
+ tt_global_entry->orig_node->orig);
+ hlist_del_rcu(node);
+ tt_global_entry_free_ref(tt_global_entry);
+ }
+ }
+ spin_unlock_bh(list_lock);
}
-
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
- orig_node->tt_buff_len = 0;
- kfree(orig_node->tt_buff);
- orig_node->tt_buff = NULL;
+ atomic_set(&orig_node->tt_size, 0);
}
-static void tt_global_del(struct hlist_node *node, void *arg)
+static void tt_global_roam_purge(struct bat_priv *bat_priv)
{
- void *data = container_of(node, struct tt_global_entry, hash_entry);
+ struct hashtable_t *hash = bat_priv->tt_global_hash;
+ struct tt_global_entry *tt_global_entry;
+ struct hlist_node *node, *node_tmp;
+ struct hlist_head *head;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
+ int i;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
+
+ spin_lock_bh(list_lock);
+ hlist_for_each_entry_safe(tt_global_entry, node, node_tmp,
+ head, hash_entry) {
+ if (!(tt_global_entry->flags & TT_CLIENT_ROAM))
+ continue;
+ if (!is_out_of_time(tt_global_entry->roam_at,
+ TT_CLIENT_ROAM_TIMEOUT * 1000))
+ continue;
+
+ bat_dbg(DBG_TT, bat_priv, "Deleting global "
+ "tt entry (%pM): Roaming timeout\n",
+ tt_global_entry->addr);
+ atomic_dec(&tt_global_entry->orig_node->tt_size);
+ hlist_del_rcu(node);
+ tt_global_entry_free_ref(tt_global_entry);
+ }
+ spin_unlock_bh(list_lock);
+ }
- kfree(data);
}
-void tt_global_free(struct bat_priv *bat_priv)
+static void tt_global_table_free(struct bat_priv *bat_priv)
{
+ struct hashtable_t *hash;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
+ struct tt_global_entry *tt_global_entry;
+ struct hlist_node *node, *node_tmp;
+ struct hlist_head *head;
+ int i;
+
if (!bat_priv->tt_global_hash)
return;
- hash_delete(bat_priv->tt_global_hash, tt_global_del, NULL);
+ hash = bat_priv->tt_global_hash;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
+
+ spin_lock_bh(list_lock);
+ hlist_for_each_entry_safe(tt_global_entry, node, node_tmp,
+ head, hash_entry) {
+ hlist_del_rcu(node);
+ tt_global_entry_free_ref(tt_global_entry);
+ }
+ spin_unlock_bh(list_lock);
+ }
+
+ hash_destroy(hash);
+
bat_priv->tt_global_hash = NULL;
}
-struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr)
+struct orig_node *transtable_search(struct bat_priv *bat_priv,
+ const uint8_t *addr)
{
struct tt_global_entry *tt_global_entry;
struct orig_node *orig_node = NULL;
- spin_lock_bh(&bat_priv->tt_ghash_lock);
tt_global_entry = tt_global_hash_find(bat_priv, addr);
if (!tt_global_entry)
goto out;
if (!atomic_inc_not_zero(&tt_global_entry->orig_node->refcount))
- goto out;
+ goto free_tt;
+
+ /* A global client marked as PENDING has already moved from that
+ * originator */
+ if (tt_global_entry->flags & TT_CLIENT_PENDING)
+ goto free_tt;
orig_node = tt_global_entry->orig_node;
+free_tt:
+ tt_global_entry_free_ref(tt_global_entry);
out:
- spin_unlock_bh(&bat_priv->tt_ghash_lock);
return orig_node;
}
+
+/* Calculates the checksum of the local table of a given orig_node */
+uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node)
+{
+ uint16_t total = 0, total_one;
+ struct hashtable_t *hash = bat_priv->tt_global_hash;
+ struct tt_global_entry *tt_global_entry;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ int i, j;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(tt_global_entry, node,
+ head, hash_entry) {
+ if (compare_eth(tt_global_entry->orig_node,
+ orig_node)) {
+ /* Roaming clients are in the global table for
+ * consistency only. They don't have to be
+ * taken into account while computing the
+ * global crc */
+ if (tt_global_entry->flags & TT_CLIENT_ROAM)
+ continue;
+ total_one = 0;
+ for (j = 0; j < ETH_ALEN; j++)
+ total_one = crc16_byte(total_one,
+ tt_global_entry->addr[j]);
+ total ^= total_one;
+ }
+ }
+ rcu_read_unlock();
+ }
+
+ return total;
+}
+
+/* Calculates the checksum of the local table */
+uint16_t tt_local_crc(struct bat_priv *bat_priv)
+{
+ uint16_t total = 0, total_one;
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct tt_local_entry *tt_local_entry;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ int i, j;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(tt_local_entry, node,
+ head, hash_entry) {
+ /* not yet committed clients have not to be taken into
+ * account while computing the CRC */
+ if (tt_local_entry->flags & TT_CLIENT_NEW)
+ continue;
+ total_one = 0;
+ for (j = 0; j < ETH_ALEN; j++)
+ total_one = crc16_byte(total_one,
+ tt_local_entry->addr[j]);
+ total ^= total_one;
+ }
+ rcu_read_unlock();
+ }
+
+ return total;
+}
+
+static void tt_req_list_free(struct bat_priv *bat_priv)
+{
+ struct tt_req_node *node, *safe;
+
+ spin_lock_bh(&bat_priv->tt_req_list_lock);
+
+ list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ list_del(&node->list);
+ kfree(node);
+ }
+
+ spin_unlock_bh(&bat_priv->tt_req_list_lock);
+}
+
+void tt_save_orig_buffer(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ const unsigned char *tt_buff, uint8_t tt_num_changes)
+{
+ uint16_t tt_buff_len = tt_len(tt_num_changes);
+
+ /* Replace the old buffer only if I received something in the
+ * last OGM (the OGM could carry no changes) */
+ spin_lock_bh(&orig_node->tt_buff_lock);
+ if (tt_buff_len > 0) {
+ kfree(orig_node->tt_buff);
+ orig_node->tt_buff_len = 0;
+ orig_node->tt_buff = kmalloc(tt_buff_len, GFP_ATOMIC);
+ if (orig_node->tt_buff) {
+ memcpy(orig_node->tt_buff, tt_buff, tt_buff_len);
+ orig_node->tt_buff_len = tt_buff_len;
+ }
+ }
+ spin_unlock_bh(&orig_node->tt_buff_lock);
+}
+
+static void tt_req_purge(struct bat_priv *bat_priv)
+{
+ struct tt_req_node *node, *safe;
+
+ spin_lock_bh(&bat_priv->tt_req_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ if (is_out_of_time(node->issued_at,
+ TT_REQUEST_TIMEOUT * 1000)) {
+ list_del(&node->list);
+ kfree(node);
+ }
+ }
+ spin_unlock_bh(&bat_priv->tt_req_list_lock);
+}
+
+/* returns the pointer to the new tt_req_node struct if no request
+ * has already been issued for this orig_node, NULL otherwise */
+static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv,
+ struct orig_node *orig_node)
+{
+ struct tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
+
+ spin_lock_bh(&bat_priv->tt_req_list_lock);
+ list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) {
+ if (compare_eth(tt_req_node_tmp, orig_node) &&
+ !is_out_of_time(tt_req_node_tmp->issued_at,
+ TT_REQUEST_TIMEOUT * 1000))
+ goto unlock;
+ }
+
+ tt_req_node = kmalloc(sizeof(*tt_req_node), GFP_ATOMIC);
+ if (!tt_req_node)
+ goto unlock;
+
+ memcpy(tt_req_node->addr, orig_node->orig, ETH_ALEN);
+ tt_req_node->issued_at = jiffies;
+
+ list_add(&tt_req_node->list, &bat_priv->tt_req_list);
+unlock:
+ spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ return tt_req_node;
+}
+
+/* data_ptr is useless here, but has to be kept to respect the prototype */
+static int tt_local_valid_entry(const void *entry_ptr, const void *data_ptr)
+{
+ const struct tt_local_entry *tt_local_entry = entry_ptr;
+
+ if (tt_local_entry->flags & TT_CLIENT_NEW)
+ return 0;
+ return 1;
+}
+
+static int tt_global_valid_entry(const void *entry_ptr, const void *data_ptr)
+{
+ const struct tt_global_entry *tt_global_entry = entry_ptr;
+ const struct orig_node *orig_node = data_ptr;
+
+ if (tt_global_entry->flags & TT_CLIENT_ROAM)
+ return 0;
+
+ return (tt_global_entry->orig_node == orig_node);
+}
+
+static struct sk_buff *tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
+ struct hashtable_t *hash,
+ struct hard_iface *primary_if,
+ int (*valid_cb)(const void *,
+ const void *),
+ void *cb_data)
+{
+ struct tt_local_entry *tt_local_entry;
+ struct tt_query_packet *tt_response;
+ struct tt_change *tt_change;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ struct sk_buff *skb = NULL;
+ uint16_t tt_tot, tt_count;
+ ssize_t tt_query_size = sizeof(struct tt_query_packet);
+ int i;
+
+ if (tt_query_size + tt_len > primary_if->soft_iface->mtu) {
+ tt_len = primary_if->soft_iface->mtu - tt_query_size;
+ tt_len -= tt_len % sizeof(struct tt_change);
+ }
+ tt_tot = tt_len / sizeof(struct tt_change);
+
+ skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN);
+ if (!skb)
+ goto out;
+
+ skb_reserve(skb, ETH_HLEN);
+ tt_response = (struct tt_query_packet *)skb_put(skb,
+ tt_query_size + tt_len);
+ tt_response->ttvn = ttvn;
+ tt_response->tt_data = htons(tt_tot);
+
+ tt_change = (struct tt_change *)(skb->data + tt_query_size);
+ tt_count = 0;
+
+ rcu_read_lock();
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+
+ hlist_for_each_entry_rcu(tt_local_entry, node,
+ head, hash_entry) {
+ if (tt_count == tt_tot)
+ break;
+
+ if ((valid_cb) && (!valid_cb(tt_local_entry, cb_data)))
+ continue;
+
+ memcpy(tt_change->addr, tt_local_entry->addr, ETH_ALEN);
+ tt_change->flags = NO_FLAGS;
+
+ tt_count++;
+ tt_change++;
+ }
+ }
+ rcu_read_unlock();
+
+out:
+ return skb;
+}
+
+int send_tt_request(struct bat_priv *bat_priv, struct orig_node *dst_orig_node,
+ uint8_t ttvn, uint16_t tt_crc, bool full_table)
+{
+ struct sk_buff *skb = NULL;
+ struct tt_query_packet *tt_request;
+ struct neigh_node *neigh_node = NULL;
+ struct hard_iface *primary_if;
+ struct tt_req_node *tt_req_node = NULL;
+ int ret = 1;
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
+ /* The new tt_req will be issued only if I'm not waiting for a
+ * reply from the same orig_node yet */
+ tt_req_node = new_tt_req_node(bat_priv, dst_orig_node);
+ if (!tt_req_node)
+ goto out;
+
+ skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN);
+ if (!skb)
+ goto out;
+
+ skb_reserve(skb, ETH_HLEN);
+
+ tt_request = (struct tt_query_packet *)skb_put(skb,
+ sizeof(struct tt_query_packet));
+
+ tt_request->packet_type = BAT_TT_QUERY;
+ tt_request->version = COMPAT_VERSION;
+ memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+ memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN);
+ tt_request->ttl = TTL;
+ tt_request->ttvn = ttvn;
+ tt_request->tt_data = tt_crc;
+ tt_request->flags = TT_REQUEST;
+
+ if (full_table)
+ tt_request->flags |= TT_FULL_TABLE;
+
+ neigh_node = orig_node_get_router(dst_orig_node);
+ if (!neigh_node)
+ goto out;
+
+ bat_dbg(DBG_TT, bat_priv, "Sending TT_REQUEST to %pM via %pM "
+ "[%c]\n", dst_orig_node->orig, neigh_node->addr,
+ (full_table ? 'F' : '.'));
+
+ send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ ret = 0;
+
+out:
+ if (neigh_node)
+ neigh_node_free_ref(neigh_node);
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ if (ret)
+ kfree_skb(skb);
+ if (ret && tt_req_node) {
+ spin_lock_bh(&bat_priv->tt_req_list_lock);
+ list_del(&tt_req_node->list);
+ spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ kfree(tt_req_node);
+ }
+ return ret;
+}
+
+static bool send_other_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_request)
+{
+ struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
+ struct neigh_node *neigh_node = NULL;
+ struct hard_iface *primary_if = NULL;
+ uint8_t orig_ttvn, req_ttvn, ttvn;
+ int ret = false;
+ unsigned char *tt_buff;
+ bool full_table;
+ uint16_t tt_len, tt_tot;
+ struct sk_buff *skb = NULL;
+ struct tt_query_packet *tt_response;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Received TT_REQUEST from %pM for "
+ "ttvn: %u (%pM) [%c]\n", tt_request->src,
+ tt_request->ttvn, tt_request->dst,
+ (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+ /* Let's get the orig node of the REAL destination */
+ req_dst_orig_node = get_orig_node(bat_priv, tt_request->dst);
+ if (!req_dst_orig_node)
+ goto out;
+
+ res_dst_orig_node = get_orig_node(bat_priv, tt_request->src);
+ if (!res_dst_orig_node)
+ goto out;
+
+ neigh_node = orig_node_get_router(res_dst_orig_node);
+ if (!neigh_node)
+ goto out;
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
+ orig_ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
+ req_ttvn = tt_request->ttvn;
+
+ /* I have not the requested data */
+ if (orig_ttvn != req_ttvn ||
+ tt_request->tt_data != req_dst_orig_node->tt_crc)
+ goto out;
+
+ /* If it has explicitly been requested the full table */
+ if (tt_request->flags & TT_FULL_TABLE ||
+ !req_dst_orig_node->tt_buff)
+ full_table = true;
+ else
+ full_table = false;
+
+ /* In this version, fragmentation is not implemented, then
+ * I'll send only one packet with as much TT entries as I can */
+ if (!full_table) {
+ spin_lock_bh(&req_dst_orig_node->tt_buff_lock);
+ tt_len = req_dst_orig_node->tt_buff_len;
+ tt_tot = tt_len / sizeof(struct tt_change);
+
+ skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
+ tt_len + ETH_HLEN);
+ if (!skb)
+ goto unlock;
+
+ skb_reserve(skb, ETH_HLEN);
+ tt_response = (struct tt_query_packet *)skb_put(skb,
+ sizeof(struct tt_query_packet) + tt_len);
+ tt_response->ttvn = req_ttvn;
+ tt_response->tt_data = htons(tt_tot);
+
+ tt_buff = skb->data + sizeof(struct tt_query_packet);
+ /* Copy the last orig_node's OGM buffer */
+ memcpy(tt_buff, req_dst_orig_node->tt_buff,
+ req_dst_orig_node->tt_buff_len);
+
+ spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
+ } else {
+ tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) *
+ sizeof(struct tt_change);
+ ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
+
+ skb = tt_response_fill_table(tt_len, ttvn,
+ bat_priv->tt_global_hash,
+ primary_if, tt_global_valid_entry,
+ req_dst_orig_node);
+ if (!skb)
+ goto out;
+
+ tt_response = (struct tt_query_packet *)skb->data;
+ }
+
+ tt_response->packet_type = BAT_TT_QUERY;
+ tt_response->version = COMPAT_VERSION;
+ tt_response->ttl = TTL;
+ memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN);
+ memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
+ tt_response->flags = TT_RESPONSE;
+
+ if (full_table)
+ tt_response->flags |= TT_FULL_TABLE;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Sending TT_RESPONSE %pM via %pM for %pM (ttvn: %u)\n",
+ res_dst_orig_node->orig, neigh_node->addr,
+ req_dst_orig_node->orig, req_ttvn);
+
+ send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ ret = true;
+ goto out;
+
+unlock:
+ spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
+
+out:
+ if (res_dst_orig_node)
+ orig_node_free_ref(res_dst_orig_node);
+ if (req_dst_orig_node)
+ orig_node_free_ref(req_dst_orig_node);
+ if (neigh_node)
+ neigh_node_free_ref(neigh_node);
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ if (!ret)
+ kfree_skb(skb);
+ return ret;
+
+}
+static bool send_my_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_request)
+{
+ struct orig_node *orig_node = NULL;
+ struct neigh_node *neigh_node = NULL;
+ struct hard_iface *primary_if = NULL;
+ uint8_t my_ttvn, req_ttvn, ttvn;
+ int ret = false;
+ unsigned char *tt_buff;
+ bool full_table;
+ uint16_t tt_len, tt_tot;
+ struct sk_buff *skb = NULL;
+ struct tt_query_packet *tt_response;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Received TT_REQUEST from %pM for "
+ "ttvn: %u (me) [%c]\n", tt_request->src,
+ tt_request->ttvn,
+ (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+
+ my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+ req_ttvn = tt_request->ttvn;
+
+ orig_node = get_orig_node(bat_priv, tt_request->src);
+ if (!orig_node)
+ goto out;
+
+ neigh_node = orig_node_get_router(orig_node);
+ if (!neigh_node)
+ goto out;
+
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
+ /* If the full table has been explicitly requested or the gap
+ * is too big send the whole local translation table */
+ if (tt_request->flags & TT_FULL_TABLE || my_ttvn != req_ttvn ||
+ !bat_priv->tt_buff)
+ full_table = true;
+ else
+ full_table = false;
+
+ /* In this version, fragmentation is not implemented, then
+ * I'll send only one packet with as much TT entries as I can */
+ if (!full_table) {
+ spin_lock_bh(&bat_priv->tt_buff_lock);
+ tt_len = bat_priv->tt_buff_len;
+ tt_tot = tt_len / sizeof(struct tt_change);
+
+ skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
+ tt_len + ETH_HLEN);
+ if (!skb)
+ goto unlock;
+
+ skb_reserve(skb, ETH_HLEN);
+ tt_response = (struct tt_query_packet *)skb_put(skb,
+ sizeof(struct tt_query_packet) + tt_len);
+ tt_response->ttvn = req_ttvn;
+ tt_response->tt_data = htons(tt_tot);
+
+ tt_buff = skb->data + sizeof(struct tt_query_packet);
+ memcpy(tt_buff, bat_priv->tt_buff,
+ bat_priv->tt_buff_len);
+ spin_unlock_bh(&bat_priv->tt_buff_lock);
+ } else {
+ tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) *
+ sizeof(struct tt_change);
+ ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+
+ skb = tt_response_fill_table(tt_len, ttvn,
+ bat_priv->tt_local_hash,
+ primary_if, tt_local_valid_entry,
+ NULL);
+ if (!skb)
+ goto out;
+
+ tt_response = (struct tt_query_packet *)skb->data;
+ }
+
+ tt_response->packet_type = BAT_TT_QUERY;
+ tt_response->version = COMPAT_VERSION;
+ tt_response->ttl = TTL;
+ memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+ memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
+ tt_response->flags = TT_RESPONSE;
+
+ if (full_table)
+ tt_response->flags |= TT_FULL_TABLE;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Sending TT_RESPONSE to %pM via %pM [%c]\n",
+ orig_node->orig, neigh_node->addr,
+ (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+ send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ ret = true;
+ goto out;
+
+unlock:
+ spin_unlock_bh(&bat_priv->tt_buff_lock);
+out:
+ if (orig_node)
+ orig_node_free_ref(orig_node);
+ if (neigh_node)
+ neigh_node_free_ref(neigh_node);
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ if (!ret)
+ kfree_skb(skb);
+ /* This packet was for me, so it doesn't need to be re-routed */
+ return true;
+}
+
+bool send_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_request)
+{
+ if (is_my_mac(tt_request->dst))
+ return send_my_tt_response(bat_priv, tt_request);
+ else
+ return send_other_tt_response(bat_priv, tt_request);
+}
+
+static void _tt_update_changes(struct bat_priv *bat_priv,
+ struct orig_node *orig_node,
+ struct tt_change *tt_change,
+ uint16_t tt_num_changes, uint8_t ttvn)
+{
+ int i;
+
+ for (i = 0; i < tt_num_changes; i++) {
+ if ((tt_change + i)->flags & TT_CLIENT_DEL)
+ tt_global_del(bat_priv, orig_node,
+ (tt_change + i)->addr,
+ "tt removed by changes",
+ (tt_change + i)->flags & TT_CLIENT_ROAM);
+ else
+ if (!tt_global_add(bat_priv, orig_node,
+ (tt_change + i)->addr, ttvn, false))
+ /* In case of problem while storing a
+ * global_entry, we stop the updating
+ * procedure without committing the
+ * ttvn change. This will avoid to send
+ * corrupted data on tt_request
+ */
+ return;
+ }
+}
+
+static void tt_fill_gtable(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_response)
+{
+ struct orig_node *orig_node = NULL;
+
+ orig_node = orig_hash_find(bat_priv, tt_response->src);
+ if (!orig_node)
+ goto out;
+
+ /* Purge the old table first.. */
+ tt_global_del_orig(bat_priv, orig_node, "Received full table");
+
+ _tt_update_changes(bat_priv, orig_node,
+ (struct tt_change *)(tt_response + 1),
+ tt_response->tt_data, tt_response->ttvn);
+
+ spin_lock_bh(&orig_node->tt_buff_lock);
+ kfree(orig_node->tt_buff);
+ orig_node->tt_buff_len = 0;
+ orig_node->tt_buff = NULL;
+ spin_unlock_bh(&orig_node->tt_buff_lock);
+
+ atomic_set(&orig_node->last_ttvn, tt_response->ttvn);
+
+out:
+ if (orig_node)
+ orig_node_free_ref(orig_node);
+}
+
+void tt_update_changes(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ uint16_t tt_num_changes, uint8_t ttvn,
+ struct tt_change *tt_change)
+{
+ _tt_update_changes(bat_priv, orig_node, tt_change, tt_num_changes,
+ ttvn);
+
+ tt_save_orig_buffer(bat_priv, orig_node, (unsigned char *)tt_change,
+ tt_num_changes);
+ atomic_set(&orig_node->last_ttvn, ttvn);
+}
+
+bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr)
+{
+ struct tt_local_entry *tt_local_entry = NULL;
+ bool ret = false;
+
+ tt_local_entry = tt_local_hash_find(bat_priv, addr);
+ if (!tt_local_entry)
+ goto out;
+ /* Check if the client has been logically deleted (but is kept for
+ * consistency purpose) */
+ if (tt_local_entry->flags & TT_CLIENT_PENDING)
+ goto out;
+ ret = true;
+out:
+ if (tt_local_entry)
+ tt_local_entry_free_ref(tt_local_entry);
+ return ret;
+}
+
+void handle_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_response)
+{
+ struct tt_req_node *node, *safe;
+ struct orig_node *orig_node = NULL;
+
+ bat_dbg(DBG_TT, bat_priv, "Received TT_RESPONSE from %pM for "
+ "ttvn %d t_size: %d [%c]\n",
+ tt_response->src, tt_response->ttvn,
+ tt_response->tt_data,
+ (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+ orig_node = orig_hash_find(bat_priv, tt_response->src);
+ if (!orig_node)
+ goto out;
+
+ if (tt_response->flags & TT_FULL_TABLE)
+ tt_fill_gtable(bat_priv, tt_response);
+ else
+ tt_update_changes(bat_priv, orig_node, tt_response->tt_data,
+ tt_response->ttvn,
+ (struct tt_change *)(tt_response + 1));
+
+ /* Delete the tt_req_node from pending tt_requests list */
+ spin_lock_bh(&bat_priv->tt_req_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ if (!compare_eth(node->addr, tt_response->src))
+ continue;
+ list_del(&node->list);
+ kfree(node);
+ }
+ spin_unlock_bh(&bat_priv->tt_req_list_lock);
+
+ /* Recalculate the CRC for this orig_node and store it */
+ orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
+ /* Roaming phase is over: tables are in sync again. I can
+ * unset the flag */
+ orig_node->tt_poss_change = false;
+out:
+ if (orig_node)
+ orig_node_free_ref(orig_node);
+}
+
+int tt_init(struct bat_priv *bat_priv)
+{
+ if (!tt_local_init(bat_priv))
+ return 0;
+
+ if (!tt_global_init(bat_priv))
+ return 0;
+
+ tt_start_timer(bat_priv);
+
+ return 1;
+}
+
+static void tt_roam_list_free(struct bat_priv *bat_priv)
+{
+ struct tt_roam_node *node, *safe;
+
+ spin_lock_bh(&bat_priv->tt_roam_list_lock);
+
+ list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+ list_del(&node->list);
+ kfree(node);
+ }
+
+ spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+}
+
+static void tt_roam_purge(struct bat_priv *bat_priv)
+{
+ struct tt_roam_node *node, *safe;
+
+ spin_lock_bh(&bat_priv->tt_roam_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+ if (!is_out_of_time(node->first_time,
+ ROAMING_MAX_TIME * 1000))
+ continue;
+
+ list_del(&node->list);
+ kfree(node);
+ }
+ spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+}
+
+/* This function checks whether the client already reached the
+ * maximum number of possible roaming phases. In this case the ROAMING_ADV
+ * will not be sent.
+ *
+ * returns true if the ROAMING_ADV can be sent, false otherwise */
+static bool tt_check_roam_count(struct bat_priv *bat_priv,
+ uint8_t *client)
+{
+ struct tt_roam_node *tt_roam_node;
+ bool ret = false;
+
+ spin_lock_bh(&bat_priv->tt_roam_list_lock);
+ /* The new tt_req will be issued only if I'm not waiting for a
+ * reply from the same orig_node yet */
+ list_for_each_entry(tt_roam_node, &bat_priv->tt_roam_list, list) {
+ if (!compare_eth(tt_roam_node->addr, client))
+ continue;
+
+ if (is_out_of_time(tt_roam_node->first_time,
+ ROAMING_MAX_TIME * 1000))
+ continue;
+
+ if (!atomic_dec_not_zero(&tt_roam_node->counter))
+ /* Sorry, you roamed too many times! */
+ goto unlock;
+ ret = true;
+ break;
+ }
+
+ if (!ret) {
+ tt_roam_node = kmalloc(sizeof(*tt_roam_node), GFP_ATOMIC);
+ if (!tt_roam_node)
+ goto unlock;
+
+ tt_roam_node->first_time = jiffies;
+ atomic_set(&tt_roam_node->counter, ROAMING_MAX_COUNT - 1);
+ memcpy(tt_roam_node->addr, client, ETH_ALEN);
+
+ list_add(&tt_roam_node->list, &bat_priv->tt_roam_list);
+ ret = true;
+ }
+
+unlock:
+ spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+ return ret;
+}
+
+void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
+ struct orig_node *orig_node)
+{
+ struct neigh_node *neigh_node = NULL;
+ struct sk_buff *skb = NULL;
+ struct roam_adv_packet *roam_adv_packet;
+ int ret = 1;
+ struct hard_iface *primary_if;
+
+ /* before going on we have to check whether the client has
+ * already roamed to us too many times */
+ if (!tt_check_roam_count(bat_priv, client))
+ goto out;
+
+ skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
+ if (!skb)
+ goto out;
+
+ skb_reserve(skb, ETH_HLEN);
+
+ roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
+ sizeof(struct roam_adv_packet));
+
+ roam_adv_packet->packet_type = BAT_ROAM_ADV;
+ roam_adv_packet->version = COMPAT_VERSION;
+ roam_adv_packet->ttl = TTL;
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+ memcpy(roam_adv_packet->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+ hardif_free_ref(primary_if);
+ memcpy(roam_adv_packet->dst, orig_node->orig, ETH_ALEN);
+ memcpy(roam_adv_packet->client, client, ETH_ALEN);
+
+ neigh_node = orig_node_get_router(orig_node);
+ if (!neigh_node)
+ goto out;
+
+ bat_dbg(DBG_TT, bat_priv,
+ "Sending ROAMING_ADV to %pM (client %pM) via %pM\n",
+ orig_node->orig, client, neigh_node->addr);
+
+ send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+ ret = 0;
+
+out:
+ if (neigh_node)
+ neigh_node_free_ref(neigh_node);
+ if (ret)
+ kfree_skb(skb);
+ return;
+}
+
+static void tt_purge(struct work_struct *work)
+{
+ struct delayed_work *delayed_work =
+ container_of(work, struct delayed_work, work);
+ struct bat_priv *bat_priv =
+ container_of(delayed_work, struct bat_priv, tt_work);
+
+ tt_local_purge(bat_priv);
+ tt_global_roam_purge(bat_priv);
+ tt_req_purge(bat_priv);
+ tt_roam_purge(bat_priv);
+
+ tt_start_timer(bat_priv);
+}
+
+void tt_free(struct bat_priv *bat_priv)
+{
+ cancel_delayed_work_sync(&bat_priv->tt_work);
+
+ tt_local_table_free(bat_priv);
+ tt_global_table_free(bat_priv);
+ tt_req_list_free(bat_priv);
+ tt_changes_list_free(bat_priv);
+ tt_roam_list_free(bat_priv);
+
+ kfree(bat_priv->tt_buff);
+}
+
+/* This function will reset the specified flags from all the entries in
+ * the given hash table and will increment num_local_tt for each involved
+ * entry */
+static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags)
+{
+ int i;
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct hlist_head *head;
+ struct hlist_node *node;
+ struct tt_local_entry *tt_local_entry;
+
+ if (!hash)
+ return;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(tt_local_entry, node,
+ head, hash_entry) {
+ tt_local_entry->flags &= ~flags;
+ atomic_inc(&bat_priv->num_local_tt);
+ }
+ rcu_read_unlock();
+ }
+
+}
+
+/* Purge out all the tt local entries marked with TT_CLIENT_PENDING */
+static void tt_local_purge_pending_clients(struct bat_priv *bat_priv)
+{
+ struct hashtable_t *hash = bat_priv->tt_local_hash;
+ struct tt_local_entry *tt_local_entry;
+ struct hlist_node *node, *node_tmp;
+ struct hlist_head *head;
+ spinlock_t *list_lock; /* protects write access to the hash lists */
+ int i;
+
+ if (!hash)
+ return;
+
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+ list_lock = &hash->list_locks[i];
+
+ spin_lock_bh(list_lock);
+ hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
+ head, hash_entry) {
+ if (!(tt_local_entry->flags & TT_CLIENT_PENDING))
+ continue;
+
+ bat_dbg(DBG_TT, bat_priv, "Deleting local tt entry "
+ "(%pM): pending\n", tt_local_entry->addr);
+
+ atomic_dec(&bat_priv->num_local_tt);
+ hlist_del_rcu(node);
+ tt_local_entry_free_ref(tt_local_entry);
+ }
+ spin_unlock_bh(list_lock);
+ }
+
+}
+
+void tt_commit_changes(struct bat_priv *bat_priv)
+{
+ tt_local_reset_flags(bat_priv, TT_CLIENT_NEW);
+ tt_local_purge_pending_clients(bat_priv);
+
+ /* Increment the TTVN only once per OGM interval */
+ atomic_inc(&bat_priv->ttvn);
+ bat_priv->tt_poss_change = false;
+}
diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h
index 46152c38cc9..d4122cba53b 100644
--- a/net/batman-adv/translation-table.h
+++ b/net/batman-adv/translation-table.h
@@ -22,22 +22,45 @@
#ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
-int tt_local_init(struct bat_priv *bat_priv);
-void tt_local_add(struct net_device *soft_iface, uint8_t *addr);
+int tt_len(int changes_num);
+int tt_changes_fill_buffer(struct bat_priv *bat_priv,
+ unsigned char *buff, int buff_len);
+int tt_init(struct bat_priv *bat_priv);
+void tt_local_add(struct net_device *soft_iface, const uint8_t *addr);
void tt_local_remove(struct bat_priv *bat_priv,
- uint8_t *addr, char *message);
-int tt_local_fill_buffer(struct bat_priv *bat_priv,
- unsigned char *buff, int buff_len);
+ const uint8_t *addr, const char *message, bool roaming);
int tt_local_seq_print_text(struct seq_file *seq, void *offset);
-void tt_local_free(struct bat_priv *bat_priv);
-int tt_global_init(struct bat_priv *bat_priv);
-void tt_global_add_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node,
- unsigned char *tt_buff, int tt_buff_len);
+void tt_global_add_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ const unsigned char *tt_buff, int tt_buff_len);
+int tt_global_add(struct bat_priv *bat_priv,
+ struct orig_node *orig_node, const unsigned char *addr,
+ uint8_t ttvn, bool roaming);
int tt_global_seq_print_text(struct seq_file *seq, void *offset);
void tt_global_del_orig(struct bat_priv *bat_priv,
- struct orig_node *orig_node, char *message);
-void tt_global_free(struct bat_priv *bat_priv);
-struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr);
+ struct orig_node *orig_node, const char *message);
+void tt_global_del(struct bat_priv *bat_priv,
+ struct orig_node *orig_node, const unsigned char *addr,
+ const char *message, bool roaming);
+struct orig_node *transtable_search(struct bat_priv *bat_priv,
+ const uint8_t *addr);
+void tt_save_orig_buffer(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ const unsigned char *tt_buff, uint8_t tt_num_changes);
+uint16_t tt_local_crc(struct bat_priv *bat_priv);
+uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node);
+void tt_free(struct bat_priv *bat_priv);
+int send_tt_request(struct bat_priv *bat_priv,
+ struct orig_node *dst_orig_node, uint8_t hvn,
+ uint16_t tt_crc, bool full_table);
+bool send_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_request);
+void tt_update_changes(struct bat_priv *bat_priv, struct orig_node *orig_node,
+ uint16_t tt_num_changes, uint8_t ttvn,
+ struct tt_change *tt_change);
+bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr);
+void handle_tt_response(struct bat_priv *bat_priv,
+ struct tt_query_packet *tt_response);
+void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
+ struct orig_node *orig_node);
+void tt_commit_changes(struct bat_priv *bat_priv);
#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index fab70e8b16e..25bd1db3537 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -75,8 +75,18 @@ struct orig_node {
unsigned long batman_seqno_reset;
uint8_t gw_flags;
uint8_t flags;
+ atomic_t last_ttvn; /* last seen translation table version number */
+ uint16_t tt_crc;
unsigned char *tt_buff;
int16_t tt_buff_len;
+ spinlock_t tt_buff_lock; /* protects tt_buff */
+ atomic_t tt_size;
+ /* The tt_poss_change flag is used to detect an ongoing roaming phase.
+ * If true, then I sent a Roaming_adv to this orig_node and I have to
+ * inspect every packet directed to it to check whether it is still
+ * the true destination or not. This flag will be reset to false as
+ * soon as I receive a new TTVN from this orig_node */
+ bool tt_poss_change;
uint32_t last_real_seqno;
uint8_t last_ttl;
unsigned long bcast_bits[NUM_WORDS];
@@ -94,6 +104,7 @@ struct orig_node {
spinlock_t ogm_cnt_lock;
/* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */
spinlock_t bcast_seqno_lock;
+ spinlock_t tt_list_lock; /* protects tt_list */
atomic_t bond_candidates;
struct list_head bond_list;
};
@@ -145,6 +156,15 @@ struct bat_priv {
atomic_t bcast_seqno;
atomic_t bcast_queue_left;
atomic_t batman_queue_left;
+ atomic_t ttvn; /* tranlation table version number */
+ atomic_t tt_ogm_append_cnt;
+ atomic_t tt_local_changes; /* changes registered in a OGM interval */
+ /* The tt_poss_change flag is used to detect an ongoing roaming phase.
+ * If true, then I received a Roaming_adv and I have to inspect every
+ * packet directed to me to check whether I am still the true
+ * destination or not. This flag will be reset to false as soon as I
+ * increase my TTVN */
+ bool tt_poss_change;
char num_ifaces;
struct debug_log *debug_log;
struct kobject *mesh_obj;
@@ -153,26 +173,35 @@ struct bat_priv {
struct hlist_head forw_bcast_list;
struct hlist_head gw_list;
struct hlist_head softif_neigh_vids;
+ struct list_head tt_changes_list; /* tracks changes in a OGM int */
struct list_head vis_send_list;
struct hashtable_t *orig_hash;
struct hashtable_t *tt_local_hash;
struct hashtable_t *tt_global_hash;
+ struct list_head tt_req_list; /* list of pending tt_requests */
+ struct list_head tt_roam_list;
struct hashtable_t *vis_hash;
spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
spinlock_t forw_bcast_list_lock; /* protects */
- spinlock_t tt_lhash_lock; /* protects tt_local_hash */
- spinlock_t tt_ghash_lock; /* protects tt_global_hash */
+ spinlock_t tt_changes_list_lock; /* protects tt_changes */
+ spinlock_t tt_req_list_lock; /* protects tt_req_list */
+ spinlock_t tt_roam_list_lock; /* protects tt_roam_list */
spinlock_t gw_list_lock; /* protects gw_list and curr_gw */
spinlock_t vis_hash_lock; /* protects vis_hash */
spinlock_t vis_list_lock; /* protects vis_info::recv_list */
spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */
spinlock_t softif_neigh_vid_lock; /* protects soft-interface vid list */
- int16_t num_local_tt;
- atomic_t tt_local_changed;
+ atomic_t num_local_tt;
+ /* Checksum of the local table, recomputed before sending a new OGM */
+ atomic_t tt_crc;
+ unsigned char *tt_buff;
+ int16_t tt_buff_len;
+ spinlock_t tt_buff_lock; /* protects tt_buff */
struct delayed_work tt_work;
struct delayed_work orig_work;
struct delayed_work vis_work;
struct gw_node __rcu *curr_gw; /* rcu protected pointer */
+ atomic_t gw_reselect;
struct hard_iface __rcu *primary_if; /* rcu protected pointer */
struct vis_info *my_vis_info;
};
@@ -195,14 +224,39 @@ struct socket_packet {
struct tt_local_entry {
uint8_t addr[ETH_ALEN];
unsigned long last_seen;
- char never_purge;
+ uint16_t flags;
+ atomic_t refcount;
+ struct rcu_head rcu;
struct hlist_node hash_entry;
};
struct tt_global_entry {
uint8_t addr[ETH_ALEN];
struct orig_node *orig_node;
- struct hlist_node hash_entry;
+ uint8_t ttvn;
+ uint16_t flags; /* only TT_GLOBAL_ROAM is used */
+ unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
+ atomic_t refcount;
+ struct rcu_head rcu;
+ struct hlist_node hash_entry; /* entry in the global table */
+};
+
+struct tt_change_node {
+ struct list_head list;
+ struct tt_change change;
+};
+
+struct tt_req_node {
+ uint8_t addr[ETH_ALEN];
+ unsigned long issued_at;
+ struct list_head list;
+};
+
+struct tt_roam_node {
+ uint8_t addr[ETH_ALEN];
+ atomic_t counter;
+ unsigned long first_time;
+ struct list_head list;
};
/**
@@ -246,10 +300,10 @@ struct frag_packet_list_entry {
};
struct vis_info {
- unsigned long first_seen;
- struct list_head recv_list;
- /* list of server-neighbors we received a vis-packet
- * from. we should not reply to them. */
+ unsigned long first_seen;
+ /* list of server-neighbors we received a vis-packet
+ * from. we should not reply to them. */
+ struct list_head recv_list;
struct list_head send_list;
struct kref refcount;
struct hlist_node hash_entry;
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 19c3daf34ac..32b125fb3d3 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -39,8 +39,8 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
(struct unicast_frag_packet *)skb->data;
struct sk_buff *tmp_skb;
struct unicast_packet *unicast_packet;
- int hdr_len = sizeof(struct unicast_packet);
- int uni_diff = sizeof(struct unicast_frag_packet) - hdr_len;
+ int hdr_len = sizeof(*unicast_packet);
+ int uni_diff = sizeof(*up) - hdr_len;
/* set skb to the first part and tmp_skb to the second part */
if (up->flags & UNI_FRAG_HEAD) {
@@ -53,7 +53,7 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
if (skb_linearize(skb) < 0 || skb_linearize(tmp_skb) < 0)
goto err;
- skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
+ skb_pull(tmp_skb, sizeof(*up));
if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0)
goto err;
@@ -99,8 +99,7 @@ static int frag_create_buffer(struct list_head *head)
struct frag_packet_list_entry *tfp;
for (i = 0; i < FRAG_BUFFER_SIZE; i++) {
- tfp = kmalloc(sizeof(struct frag_packet_list_entry),
- GFP_ATOMIC);
+ tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
if (!tfp) {
frag_list_free(head);
return -ENOMEM;
@@ -115,7 +114,7 @@ static int frag_create_buffer(struct list_head *head)
}
static struct frag_packet_list_entry *frag_search_packet(struct list_head *head,
- struct unicast_frag_packet *up)
+ const struct unicast_frag_packet *up)
{
struct frag_packet_list_entry *tfp;
struct unicast_frag_packet *tmp_up = NULL;
@@ -218,14 +217,14 @@ out:
}
int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct hard_iface *hard_iface, uint8_t dstaddr[])
+ struct hard_iface *hard_iface, const uint8_t dstaddr[])
{
struct unicast_packet tmp_uc, *unicast_packet;
struct hard_iface *primary_if;
struct sk_buff *frag_skb;
struct unicast_frag_packet *frag1, *frag2;
- int uc_hdr_len = sizeof(struct unicast_packet);
- int ucf_hdr_len = sizeof(struct unicast_frag_packet);
+ int uc_hdr_len = sizeof(*unicast_packet);
+ int ucf_hdr_len = sizeof(*frag1);
int data_len = skb->len - uc_hdr_len;
int large_tail = 0, ret = NET_RX_DROP;
uint16_t seqno;
@@ -250,14 +249,14 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
frag1 = (struct unicast_frag_packet *)skb->data;
frag2 = (struct unicast_frag_packet *)frag_skb->data;
- memcpy(frag1, &tmp_uc, sizeof(struct unicast_packet));
+ memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
frag1->ttl--;
frag1->version = COMPAT_VERSION;
frag1->packet_type = BAT_UNICAST_FRAG;
memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
- memcpy(frag2, frag1, sizeof(struct unicast_frag_packet));
+ memcpy(frag2, frag1, sizeof(*frag2));
if (data_len & 1)
large_tail = UNI_FRAG_LARGETAIL;
@@ -295,7 +294,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
/* get routing information */
if (is_multicast_ether_addr(ethhdr->h_dest)) {
- orig_node = (struct orig_node *)gw_get_selected_orig(bat_priv);
+ orig_node = gw_get_selected_orig(bat_priv);
if (orig_node)
goto find_router;
}
@@ -314,10 +313,7 @@ find_router:
if (!neigh_node)
goto out;
- if (neigh_node->if_incoming->if_status != IF_ACTIVE)
- goto out;
-
- if (my_skb_head_push(skb, sizeof(struct unicast_packet)) < 0)
+ if (my_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
goto out;
unicast_packet = (struct unicast_packet *)skb->data;
@@ -329,9 +325,12 @@ find_router:
unicast_packet->ttl = TTL;
/* copy the destination for faster routing */
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
+ /* set the destination tt version number */
+ unicast_packet->ttvn =
+ (uint8_t)atomic_read(&orig_node->last_ttvn);
if (atomic_read(&bat_priv->fragmentation) &&
- data_len + sizeof(struct unicast_packet) >
+ data_len + sizeof(*unicast_packet) >
neigh_node->if_incoming->net_dev->mtu) {
/* send frag skb decreases ttl */
unicast_packet->ttl++;
diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h
index 16ad7a9242b..62f54b95462 100644
--- a/net/batman-adv/unicast.h
+++ b/net/batman-adv/unicast.h
@@ -32,11 +32,11 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
void frag_list_free(struct list_head *head);
int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
- struct hard_iface *hard_iface, uint8_t dstaddr[]);
+ struct hard_iface *hard_iface, const uint8_t dstaddr[]);
-static inline int frag_can_reassemble(struct sk_buff *skb, int mtu)
+static inline int frag_can_reassemble(const struct sk_buff *skb, int mtu)
{
- struct unicast_frag_packet *unicast_packet;
+ const struct unicast_frag_packet *unicast_packet;
int uneven_correction = 0;
unsigned int merged_size;
@@ -49,7 +49,7 @@ static inline int frag_can_reassemble(struct sk_buff *skb, int mtu)
uneven_correction = -1;
}
- merged_size = (skb->len - sizeof(struct unicast_frag_packet)) * 2;
+ merged_size = (skb->len - sizeof(*unicast_packet)) * 2;
merged_size += sizeof(struct unicast_packet) + uneven_correction;
return merged_size <= mtu;
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index c39f20cc1ba..8a1b98589d7 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -30,22 +30,6 @@
#define MAX_VIS_PACKET_SIZE 1000
-/* Returns the smallest signed integer in two's complement with the sizeof x */
-#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
-
-/* Checks if a sequence number x is a predecessor/successor of y.
- * they handle overflows/underflows and can correctly check for a
- * predecessor/successor unless the variable sequence number has grown by
- * more then 2**(bitwidth(x)-1)-1.
- * This means that for a uint8_t with the maximum value 255, it would think:
- * - when adding nothing - it is neither a predecessor nor a successor
- * - before adding more than 127 to the starting value - it is a predecessor,
- * - when adding 128 - it is neither a predecessor nor a successor,
- * - after adding more than 127 to the starting value - it is a successor */
-#define seq_before(x, y) ({typeof(x) _dummy = (x - y); \
- _dummy > smallest_signed_int(_dummy); })
-#define seq_after(x, y) seq_before(y, x)
-
static void start_vis_timer(struct bat_priv *bat_priv);
/* free the info */
@@ -68,10 +52,10 @@ static void free_info(struct kref *ref)
}
/* Compare two vis packets, used by the hashing algorithm */
-static int vis_info_cmp(struct hlist_node *node, void *data2)
+static int vis_info_cmp(const struct hlist_node *node, const void *data2)
{
- struct vis_info *d1, *d2;
- struct vis_packet *p1, *p2;
+ const struct vis_info *d1, *d2;
+ const struct vis_packet *p1, *p2;
d1 = container_of(node, struct vis_info, hash_entry);
d2 = data2;
@@ -82,11 +66,11 @@ static int vis_info_cmp(struct hlist_node *node, void *data2)
/* hash function to choose an entry in a hash table of given size */
/* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */
-static int vis_info_choose(void *data, int size)
+static int vis_info_choose(const void *data, int size)
{
- struct vis_info *vis_info = data;
- struct vis_packet *packet;
- unsigned char *key;
+ const struct vis_info *vis_info = data;
+ const struct vis_packet *packet;
+ const unsigned char *key;
uint32_t hash = 0;
size_t i;
@@ -106,7 +90,7 @@ static int vis_info_choose(void *data, int size)
}
static struct vis_info *vis_hash_find(struct bat_priv *bat_priv,
- void *data)
+ const void *data)
{
struct hashtable_t *hash = bat_priv->vis_hash;
struct hlist_head *head;
@@ -143,7 +127,7 @@ static void vis_data_insert_interface(const uint8_t *interface,
struct hlist_node *pos;
hlist_for_each_entry(entry, pos, if_list, list) {
- if (compare_eth(entry->addr, (void *)interface))
+ if (compare_eth(entry->addr, interface))
return;
}
@@ -156,7 +140,8 @@ static void vis_data_insert_interface(const uint8_t *interface,
hlist_add_head(&entry->list, if_list);
}
-static ssize_t vis_data_read_prim_sec(char *buff, struct hlist_head *if_list)
+static ssize_t vis_data_read_prim_sec(char *buff,
+ const struct hlist_head *if_list)
{
struct if_list_entry *entry;
struct hlist_node *pos;
@@ -189,8 +174,9 @@ static size_t vis_data_count_prim_sec(struct hlist_head *if_list)
}
/* read an entry */
-static ssize_t vis_data_read_entry(char *buff, struct vis_info_entry *entry,
- uint8_t *src, bool primary)
+static ssize_t vis_data_read_entry(char *buff,
+ const struct vis_info_entry *entry,
+ const uint8_t *src, bool primary)
{
/* maximal length: max(4+17+2, 3+17+1+3+2) == 26 */
if (primary && entry->quality == 0)
@@ -239,7 +225,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset)
hlist_for_each_entry_rcu(info, node, head, hash_entry) {
packet = (struct vis_packet *)info->skb_packet->data;
entries = (struct vis_info_entry *)
- ((char *)packet + sizeof(struct vis_packet));
+ ((char *)packet + sizeof(*packet));
for (j = 0; j < packet->entries; j++) {
if (entries[j].quality == 0)
@@ -287,7 +273,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset)
hlist_for_each_entry_rcu(info, node, head, hash_entry) {
packet = (struct vis_packet *)info->skb_packet->data;
entries = (struct vis_info_entry *)
- ((char *)packet + sizeof(struct vis_packet));
+ ((char *)packet + sizeof(*packet));
for (j = 0; j < packet->entries; j++) {
if (entries[j].quality == 0)
@@ -361,11 +347,11 @@ static void send_list_del(struct vis_info *info)
/* tries to add one entry to the receive list. */
static void recv_list_add(struct bat_priv *bat_priv,
- struct list_head *recv_list, char *mac)
+ struct list_head *recv_list, const char *mac)
{
struct recvlist_node *entry;
- entry = kmalloc(sizeof(struct recvlist_node), GFP_ATOMIC);
+ entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
return;
@@ -377,9 +363,9 @@ static void recv_list_add(struct bat_priv *bat_priv,
/* returns 1 if this mac is in the recv_list */
static int recv_list_is_in(struct bat_priv *bat_priv,
- struct list_head *recv_list, char *mac)
+ const struct list_head *recv_list, const char *mac)
{
- struct recvlist_node *entry;
+ const struct recvlist_node *entry;
spin_lock_bh(&bat_priv->vis_list_lock);
list_for_each_entry(entry, recv_list, list) {
@@ -412,11 +398,11 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
return NULL;
/* see if the packet is already in vis_hash */
- search_elem.skb_packet = dev_alloc_skb(sizeof(struct vis_packet));
+ search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet));
if (!search_elem.skb_packet)
return NULL;
search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet,
- sizeof(struct vis_packet));
+ sizeof(*search_packet));
memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
old_info = vis_hash_find(bat_priv, &search_elem);
@@ -442,27 +428,26 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
kref_put(&old_info->refcount, free_info);
}
- info = kmalloc(sizeof(struct vis_info), GFP_ATOMIC);
+ info = kmalloc(sizeof(*info), GFP_ATOMIC);
if (!info)
return NULL;
- info->skb_packet = dev_alloc_skb(sizeof(struct vis_packet) +
- vis_info_len + sizeof(struct ethhdr));
+ info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len +
+ sizeof(struct ethhdr));
if (!info->skb_packet) {
kfree(info);
return NULL;
}
skb_reserve(info->skb_packet, sizeof(struct ethhdr));
- packet = (struct vis_packet *)skb_put(info->skb_packet,
- sizeof(struct vis_packet) +
- vis_info_len);
+ packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet)
+ + vis_info_len);
kref_init(&info->refcount);
INIT_LIST_HEAD(&info->send_list);
INIT_LIST_HEAD(&info->recv_list);
info->first_seen = jiffies;
info->bat_priv = bat_priv;
- memcpy(packet, vis_packet, sizeof(struct vis_packet) + vis_info_len);
+ memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len);
/* initialize and add new packet. */
*is_new = 1;
@@ -599,9 +584,9 @@ static int find_best_vis_server(struct bat_priv *bat_priv,
}
/* Return true if the vis packet is full. */
-static bool vis_packet_full(struct vis_info *info)
+static bool vis_packet_full(const struct vis_info *info)
{
- struct vis_packet *packet;
+ const struct vis_packet *packet;
packet = (struct vis_packet *)info->skb_packet->data;
if (MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry)
@@ -619,7 +604,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
struct hlist_head *head;
struct orig_node *orig_node;
struct neigh_node *router;
- struct vis_info *info = (struct vis_info *)bat_priv->my_vis_info;
+ struct vis_info *info = bat_priv->my_vis_info;
struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data;
struct vis_info_entry *entry;
struct tt_local_entry *tt_local_entry;
@@ -632,7 +617,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
packet->ttl = TTL;
packet->seqno = htonl(ntohl(packet->seqno) + 1);
packet->entries = 0;
- skb_trim(info->skb_packet, sizeof(struct vis_packet));
+ skb_trim(info->skb_packet, sizeof(*packet));
if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) {
best_tq = find_best_vis_server(bat_priv, info);
@@ -680,11 +665,12 @@ next:
hash = bat_priv->tt_local_hash;
- spin_lock_bh(&bat_priv->tt_lhash_lock);
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
- hlist_for_each_entry(tt_local_entry, node, head, hash_entry) {
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(tt_local_entry, node, head,
+ hash_entry) {
entry = (struct vis_info_entry *)
skb_put(info->skb_packet,
sizeof(*entry));
@@ -693,14 +679,12 @@ next:
entry->quality = 0; /* 0 means TT */
packet->entries++;
- if (vis_packet_full(info)) {
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
- return 0;
- }
+ if (vis_packet_full(info))
+ goto unlock;
}
+ rcu_read_unlock();
}
- spin_unlock_bh(&bat_priv->tt_lhash_lock);
return 0;
unlock:
@@ -908,17 +892,15 @@ int vis_init(struct bat_priv *bat_priv)
goto err;
}
- bat_priv->my_vis_info->skb_packet = dev_alloc_skb(
- sizeof(struct vis_packet) +
- MAX_VIS_PACKET_SIZE +
- sizeof(struct ethhdr));
+ bat_priv->my_vis_info->skb_packet = dev_alloc_skb(sizeof(*packet) +
+ MAX_VIS_PACKET_SIZE +
+ sizeof(struct ethhdr));
if (!bat_priv->my_vis_info->skb_packet)
goto free_info;
skb_reserve(bat_priv->my_vis_info->skb_packet, sizeof(struct ethhdr));
- packet = (struct vis_packet *)skb_put(
- bat_priv->my_vis_info->skb_packet,
- sizeof(struct vis_packet));
+ packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet,
+ sizeof(*packet));
/* prefill the vis info */
bat_priv->my_vis_info->first_seen = jiffies -
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 6ae5ec50858..bfb3dc03c9d 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -6,6 +6,7 @@ menuconfig BT
tristate "Bluetooth subsystem support"
depends on NET && !S390
depends on RFKILL || !RFKILL
+ select CRYPTO
help
Bluetooth is low-cost, low-power, short-range wireless technology.
It was designed as a replacement for cables and other short-range
@@ -22,6 +23,7 @@ menuconfig BT
BNEP Module (Bluetooth Network Encapsulation Protocol)
CMTP Module (CAPI Message Transport Protocol)
HIDP Module (Human Interface Device Protocol)
+ SMP Module (Security Manager Protocol)
Say Y here to compile Bluetooth support into the kernel or say M to
compile it as module (bluetooth).
@@ -36,11 +38,18 @@ if BT != n
config BT_L2CAP
bool "L2CAP protocol support"
select CRC16
+ select CRYPTO
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_AES
+ select CRYPTO_ECB
help
L2CAP (Logical Link Control and Adaptation Protocol) provides
connection oriented and connection-less data transport. L2CAP
support is required for most Bluetooth applications.
+ Also included is support for SMP (Security Manager Protocol) which
+ is the security layer on top of LE (Low Energy) links.
+
config BT_SCO
bool "SCO links support"
help
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index f04fe9a9d63..9b67f3d08fa 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -9,5 +9,5 @@ obj-$(CONFIG_BT_CMTP) += cmtp/
obj-$(CONFIG_BT_HIDP) += hidp/
bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o hci_sock.o hci_sysfs.o lib.o
-bluetooth-$(CONFIG_BT_L2CAP) += l2cap_core.o l2cap_sock.o
+bluetooth-$(CONFIG_BT_L2CAP) += l2cap_core.o l2cap_sock.o smp.o
bluetooth-$(CONFIG_BT_SCO) += sco.o
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 744233cba24..040f67b1297 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -326,7 +326,7 @@ void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb)
{
struct capi_ctr *ctrl = &session->ctrl;
struct cmtp_application *application;
- __u16 cmd, appl;
+ __u16 appl;
__u32 contr;
BT_DBG("session %p skb %p len %d", session, skb, skb->len);
@@ -344,7 +344,6 @@ void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb)
return;
}
- cmd = CAPICMD(CAPIMSG_COMMAND(skb->data), CAPIMSG_SUBCOMMAND(skb->data));
appl = CAPIMSG_APPID(skb->data);
contr = CAPIMSG_CONTROL(skb->data);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3163330cd4f..ea7f031f3b0 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -53,11 +53,13 @@ static void hci_le_connect(struct hci_conn *conn)
conn->state = BT_CONNECT;
conn->out = 1;
conn->link_mode |= HCI_LM_MASTER;
+ conn->sec_level = BT_SECURITY_LOW;
memset(&cp, 0, sizeof(cp));
cp.scan_interval = cpu_to_le16(0x0004);
cp.scan_window = cpu_to_le16(0x0004);
bacpy(&cp.peer_addr, &conn->dst);
+ cp.peer_addr_type = conn->dst_type;
cp.conn_interval_min = cpu_to_le16(0x0008);
cp.conn_interval_max = cpu_to_le16(0x0100);
cp.supervision_timeout = cpu_to_le16(0x0064);
@@ -203,6 +205,55 @@ void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
}
EXPORT_SYMBOL(hci_le_conn_update);
+void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
+ __u8 ltk[16])
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_start_enc cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+ memcpy(cp.ltk, ltk, sizeof(cp.ltk));
+ cp.ediv = ediv;
+ memcpy(cp.rand, rand, sizeof(rand));
+
+ hci_send_cmd(hdev, HCI_OP_LE_START_ENC, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_start_enc);
+
+void hci_le_ltk_reply(struct hci_conn *conn, u8 ltk[16])
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_ltk_reply cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+ memcpy(cp.ltk, ltk, sizeof(ltk));
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+}
+EXPORT_SYMBOL(hci_le_ltk_reply);
+
+void hci_le_ltk_neg_reply(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_le_ltk_neg_reply cp;
+
+ BT_DBG("%p", conn);
+
+ memset(&cp, 0, sizeof(cp));
+
+ cp.handle = cpu_to_le16(conn->handle);
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(cp), &cp);
+}
+
/* Device _must_ be locked */
void hci_sco_setup(struct hci_conn *conn, __u8 status)
{
@@ -393,6 +444,9 @@ int hci_conn_del(struct hci_conn *conn)
hci_dev_put(hdev);
+ if (conn->handle == 0)
+ kfree(conn);
+
return 0;
}
@@ -447,14 +501,23 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
BT_DBG("%s dst %s", hdev->name, batostr(dst));
if (type == LE_LINK) {
+ struct adv_entry *entry;
+
le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
if (le)
return ERR_PTR(-EBUSY);
+
+ entry = hci_find_adv_entry(hdev, dst);
+ if (!entry)
+ return ERR_PTR(-EHOSTUNREACH);
+
le = hci_conn_add(hdev, LE_LINK, dst);
if (!le)
return ERR_PTR(-ENOMEM);
- if (le->state == BT_OPEN)
- hci_le_connect(le);
+
+ le->dst_type = entry->bdaddr_type;
+
+ hci_le_connect(le);
hci_conn_hold(le);
@@ -497,7 +560,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
if (acl->state == BT_CONNECTED &&
(sco->state == BT_OPEN || sco->state == BT_CLOSED)) {
acl->power_save = 1;
- hci_conn_enter_active_mode(acl);
+ hci_conn_enter_active_mode(acl, BT_POWER_FORCE_ACTIVE_ON);
if (test_bit(HCI_CONN_MODE_CHANGE_PEND, &acl->pend)) {
/* defer SCO setup until mode change completed */
@@ -548,6 +611,8 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
cp.handle = cpu_to_le16(conn->handle);
hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
+ if (conn->key_type != 0xff)
+ set_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
}
return 0;
@@ -608,11 +673,11 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
goto encrypt;
auth:
- if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
- hci_conn_auth(conn, sec_level, auth_type);
- return 0;
+ if (!hci_conn_auth(conn, sec_level, auth_type))
+ return 0;
encrypt:
if (conn->link_mode & HCI_LM_ENCRYPT)
@@ -631,9 +696,7 @@ int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
if (sec_level != BT_SECURITY_HIGH)
return 1; /* Accept if non-secure is required */
- if (conn->key_type == HCI_LK_AUTH_COMBINATION ||
- (conn->key_type == HCI_LK_COMBINATION &&
- conn->pin_length == 16))
+ if (conn->sec_level == BT_SECURITY_HIGH)
return 1;
return 0; /* Reject not secure link */
@@ -676,7 +739,7 @@ int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
EXPORT_SYMBOL(hci_conn_switch_role);
/* Enter active mode */
-void hci_conn_enter_active_mode(struct hci_conn *conn)
+void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
{
struct hci_dev *hdev = conn->hdev;
@@ -685,7 +748,10 @@ void hci_conn_enter_active_mode(struct hci_conn *conn)
if (test_bit(HCI_RAW, &hdev->flags))
return;
- if (conn->mode != HCI_CM_SNIFF || !conn->power_save)
+ if (conn->mode != HCI_CM_SNIFF)
+ goto timer;
+
+ if (!conn->power_save && !force_active)
goto timer;
if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 815269b07f2..ec0bc3f60f2 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -42,6 +42,7 @@
#include <linux/notifier.h>
#include <linux/rfkill.h>
#include <linux/timer.h>
+#include <linux/crypto.h>
#include <net/sock.h>
#include <asm/system.h>
@@ -145,7 +146,7 @@ static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev,
switch (hdev->req_status) {
case HCI_REQ_DONE:
- err = -bt_err(hdev->req_result);
+ err = -bt_to_errno(hdev->req_result);
break;
case HCI_REQ_CANCELED:
@@ -539,7 +540,7 @@ int hci_dev_open(__u16 dev)
ret = __hci_request(hdev, hci_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
- if (lmp_le_capable(hdev))
+ if (lmp_host_le_capable(hdev))
ret = __hci_request(hdev, hci_le_init_req, 0,
msecs_to_jiffies(HCI_INIT_TIMEOUT));
@@ -1056,6 +1057,42 @@ static int hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
return 0;
}
+struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8])
+{
+ struct link_key *k;
+
+ list_for_each_entry(k, &hdev->link_keys, list) {
+ struct key_master_id *id;
+
+ if (k->type != HCI_LK_SMP_LTK)
+ continue;
+
+ if (k->dlen != sizeof(*id))
+ continue;
+
+ id = (void *) &k->data;
+ if (id->ediv == ediv &&
+ (memcmp(rand, id->rand, sizeof(id->rand)) == 0))
+ return k;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(hci_find_ltk);
+
+struct link_key *hci_find_link_key_type(struct hci_dev *hdev,
+ bdaddr_t *bdaddr, u8 type)
+{
+ struct link_key *k;
+
+ list_for_each_entry(k, &hdev->link_keys, list)
+ if (k->type == type && bacmp(bdaddr, &k->bdaddr) == 0)
+ return k;
+
+ return NULL;
+}
+EXPORT_SYMBOL(hci_find_link_key_type);
+
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
{
@@ -1111,6 +1148,44 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
return 0;
}
+int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
+ u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16])
+{
+ struct link_key *key, *old_key;
+ struct key_master_id *id;
+ u8 old_key_type;
+
+ BT_DBG("%s addr %s", hdev->name, batostr(bdaddr));
+
+ old_key = hci_find_link_key_type(hdev, bdaddr, HCI_LK_SMP_LTK);
+ if (old_key) {
+ key = old_key;
+ old_key_type = old_key->type;
+ } else {
+ key = kzalloc(sizeof(*key) + sizeof(*id), GFP_ATOMIC);
+ if (!key)
+ return -ENOMEM;
+ list_add(&key->list, &hdev->link_keys);
+ old_key_type = 0xff;
+ }
+
+ key->dlen = sizeof(*id);
+
+ bacpy(&key->bdaddr, bdaddr);
+ memcpy(key->val, ltk, sizeof(key->val));
+ key->type = HCI_LK_SMP_LTK;
+ key->pin_len = key_size;
+
+ id = (void *) &key->data;
+ id->ediv = ediv;
+ memcpy(id->rand, rand, sizeof(id->rand));
+
+ if (new_key)
+ mgmt_new_key(hdev->id, key, old_key_type);
+
+ return 0;
+}
+
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct link_key *key;
@@ -1202,6 +1277,169 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
return 0;
}
+struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
+ bdaddr_t *bdaddr)
+{
+ struct list_head *p;
+
+ list_for_each(p, &hdev->blacklist) {
+ struct bdaddr_list *b;
+
+ b = list_entry(p, struct bdaddr_list, list);
+
+ if (bacmp(bdaddr, &b->bdaddr) == 0)
+ return b;
+ }
+
+ return NULL;
+}
+
+int hci_blacklist_clear(struct hci_dev *hdev)
+{
+ struct list_head *p, *n;
+
+ list_for_each_safe(p, n, &hdev->blacklist) {
+ struct bdaddr_list *b;
+
+ b = list_entry(p, struct bdaddr_list, list);
+
+ list_del(p);
+ kfree(b);
+ }
+
+ return 0;
+}
+
+int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct bdaddr_list *entry;
+ int err;
+
+ if (bacmp(bdaddr, BDADDR_ANY) == 0)
+ return -EBADF;
+
+ hci_dev_lock_bh(hdev);
+
+ if (hci_blacklist_lookup(hdev, bdaddr)) {
+ err = -EEXIST;
+ goto err;
+ }
+
+ entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
+ if (!entry) {
+ return -ENOMEM;
+ goto err;
+ }
+
+ bacpy(&entry->bdaddr, bdaddr);
+
+ list_add(&entry->list, &hdev->blacklist);
+
+ err = 0;
+
+err:
+ hci_dev_unlock_bh(hdev);
+ return err;
+}
+
+int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct bdaddr_list *entry;
+ int err = 0;
+
+ hci_dev_lock_bh(hdev);
+
+ if (bacmp(bdaddr, BDADDR_ANY) == 0) {
+ hci_blacklist_clear(hdev);
+ goto done;
+ }
+
+ entry = hci_blacklist_lookup(hdev, bdaddr);
+ if (!entry) {
+ err = -ENOENT;
+ goto done;
+ }
+
+ list_del(&entry->list);
+ kfree(entry);
+
+done:
+ hci_dev_unlock_bh(hdev);
+ return err;
+}
+
+static void hci_clear_adv_cache(unsigned long arg)
+{
+ struct hci_dev *hdev = (void *) arg;
+
+ hci_dev_lock(hdev);
+
+ hci_adv_entries_clear(hdev);
+
+ hci_dev_unlock(hdev);
+}
+
+int hci_adv_entries_clear(struct hci_dev *hdev)
+{
+ struct adv_entry *entry, *tmp;
+
+ list_for_each_entry_safe(entry, tmp, &hdev->adv_entries, list) {
+ list_del(&entry->list);
+ kfree(entry);
+ }
+
+ BT_DBG("%s adv cache cleared", hdev->name);
+
+ return 0;
+}
+
+struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+ struct adv_entry *entry;
+
+ list_for_each_entry(entry, &hdev->adv_entries, list)
+ if (bacmp(bdaddr, &entry->bdaddr) == 0)
+ return entry;
+
+ return NULL;
+}
+
+static inline int is_connectable_adv(u8 evt_type)
+{
+ if (evt_type == ADV_IND || evt_type == ADV_DIRECT_IND)
+ return 1;
+
+ return 0;
+}
+
+int hci_add_adv_entry(struct hci_dev *hdev,
+ struct hci_ev_le_advertising_info *ev)
+{
+ struct adv_entry *entry;
+
+ if (!is_connectable_adv(ev->evt_type))
+ return -EINVAL;
+
+ /* Only new entries should be added to adv_entries. So, if
+ * bdaddr was found, don't add it. */
+ if (hci_find_adv_entry(hdev, &ev->bdaddr))
+ return 0;
+
+ entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ bacpy(&entry->bdaddr, &ev->bdaddr);
+ entry->bdaddr_type = ev->bdaddr_type;
+
+ list_add(&entry->list, &hdev->adv_entries);
+
+ BT_DBG("%s adv entry added: address %s type %u", hdev->name,
+ batostr(&entry->bdaddr), entry->bdaddr_type);
+
+ return 0;
+}
+
/* Register HCI device */
int hci_register_dev(struct hci_dev *hdev)
{
@@ -1268,6 +1506,10 @@ int hci_register_dev(struct hci_dev *hdev)
INIT_LIST_HEAD(&hdev->remote_oob_data);
+ INIT_LIST_HEAD(&hdev->adv_entries);
+ setup_timer(&hdev->adv_timer, hci_clear_adv_cache,
+ (unsigned long) hdev);
+
INIT_WORK(&hdev->power_on, hci_power_on);
INIT_WORK(&hdev->power_off, hci_power_off);
setup_timer(&hdev->off_timer, hci_auto_off, (unsigned long) hdev);
@@ -1282,6 +1524,11 @@ int hci_register_dev(struct hci_dev *hdev)
if (!hdev->workqueue)
goto nomem;
+ hdev->tfm = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hdev->tfm))
+ BT_INFO("Failed to load transform for ecb(aes): %ld",
+ PTR_ERR(hdev->tfm));
+
hci_register_sysfs(hdev);
hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
@@ -1330,6 +1577,9 @@ int hci_unregister_dev(struct hci_dev *hdev)
!test_bit(HCI_SETUP, &hdev->flags))
mgmt_index_removed(hdev->id);
+ if (!IS_ERR(hdev->tfm))
+ crypto_free_blkcipher(hdev->tfm);
+
hci_notify(hdev, HCI_DEV_UNREG);
if (hdev->rfkill) {
@@ -1340,6 +1590,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
hci_unregister_sysfs(hdev);
hci_del_off_timer(hdev);
+ del_timer(&hdev->adv_timer);
destroy_workqueue(hdev->workqueue);
@@ -1348,6 +1599,7 @@ int hci_unregister_dev(struct hci_dev *hdev)
hci_uuids_clear(hdev);
hci_link_keys_clear(hdev);
hci_remote_oob_data_clear(hdev);
+ hci_adv_entries_clear(hdev);
hci_dev_unlock_bh(hdev);
__hci_dev_put(hdev);
@@ -1519,7 +1771,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
data += (count - rem);
count = rem;
- };
+ }
return rem;
}
@@ -1554,7 +1806,7 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
data += (count - rem);
count = rem;
- };
+ }
return rem;
}
@@ -1891,7 +2143,7 @@ static inline void hci_sched_acl(struct hci_dev *hdev)
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
- hci_conn_enter_active_mode(conn);
+ hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
hci_send_frame(skb);
hdev->acl_last_tx = jiffies;
@@ -2030,7 +2282,7 @@ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
if (conn) {
register struct hci_proto *hp;
- hci_conn_enter_active_mode(conn);
+ hci_conn_enter_active_mode(conn, bt_cb(skb)->force_active);
/* Send to upper protocol */
hp = hci_proto[HCI_PROTO_L2CAP];
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 77930aa522e..a40170e022e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -45,6 +45,8 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+static int enable_le;
+
/* Handle HCI Event packets */
static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
@@ -525,6 +527,20 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}
+static void hci_set_le_support(struct hci_dev *hdev)
+{
+ struct hci_cp_write_le_host_supported cp;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (enable_le) {
+ cp.le = 1;
+ cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+ }
+
+ hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
+}
+
static void hci_setup(struct hci_dev *hdev)
{
hci_setup_event_mask(hdev);
@@ -542,6 +558,17 @@ static void hci_setup(struct hci_dev *hdev)
if (hdev->features[7] & LMP_INQ_TX_PWR)
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
+
+ if (hdev->features[7] & LMP_EXTFEATURES) {
+ struct hci_cp_read_local_ext_features cp;
+
+ cp.page = 0x01;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
+ sizeof(cp), &cp);
+ }
+
+ if (hdev->features[4] & LMP_LE)
+ hci_set_le_support(hdev);
}
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
@@ -658,6 +685,21 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb
hdev->features[6], hdev->features[7]);
}
+static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ memcpy(hdev->extfeatures, rp->features, 8);
+
+ hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
+}
+
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_buffer_size *rp = (void *) skb->data;
@@ -841,6 +883,72 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
rp->randomizer, rp->status);
}
+static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_cp_le_set_scan_enable *cp;
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ if (status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (cp->enable == 0x01) {
+ del_timer(&hdev->adv_timer);
+ hci_adv_entries_clear(hdev);
+ } else if (cp->enable == 0x00) {
+ mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
+}
+
+static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
+}
+
+static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_cp_read_local_ext_features cp;
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ if (status)
+ return;
+
+ cp.page = 0x01;
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
+}
+
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
@@ -1209,16 +1317,23 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
} else {
if (!conn) {
conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
- if (conn)
+ if (conn) {
+ conn->dst_type = cp->peer_addr_type;
conn->out = 1;
- else
+ } else {
BT_ERR("No memory for new connection");
+ }
}
}
hci_dev_unlock(hdev);
}
+static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("%s status 0x%x", hdev->name, status);
+}
+
static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1462,51 +1577,58 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
- if (conn) {
- if (!ev->status) {
+ if (!conn)
+ goto unlock;
+
+ if (!ev->status) {
+ if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
+ test_bit(HCI_CONN_REAUTH_PEND, &conn->pend)) {
+ BT_INFO("re-auth of legacy device is not possible.");
+ } else {
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
- } else {
- mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
}
+ } else {
+ mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
+ }
- clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
+ clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
+ clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
- if (conn->state == BT_CONFIG) {
- if (!ev->status && hdev->ssp_mode > 0 &&
- conn->ssp_mode > 0) {
- struct hci_cp_set_conn_encrypt cp;
- cp.handle = ev->handle;
- cp.encrypt = 0x01;
- hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
- sizeof(cp), &cp);
- } else {
- conn->state = BT_CONNECTED;
- hci_proto_connect_cfm(conn, ev->status);
- hci_conn_put(conn);
- }
+ if (conn->state == BT_CONFIG) {
+ if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
+ struct hci_cp_set_conn_encrypt cp;
+ cp.handle = ev->handle;
+ cp.encrypt = 0x01;
+ hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+ &cp);
} else {
- hci_auth_cfm(conn, ev->status);
-
- hci_conn_hold(conn);
- conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ conn->state = BT_CONNECTED;
+ hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
+ } else {
+ hci_auth_cfm(conn, ev->status);
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
- if (!ev->status) {
- struct hci_cp_set_conn_encrypt cp;
- cp.handle = ev->handle;
- cp.encrypt = 0x01;
- hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
- sizeof(cp), &cp);
- } else {
- clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
- hci_encrypt_cfm(conn, ev->status, 0x00);
- }
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_put(conn);
+ }
+
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
+ if (!ev->status) {
+ struct hci_cp_set_conn_encrypt cp;
+ cp.handle = ev->handle;
+ cp.encrypt = 0x01;
+ hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+ &cp);
+ } else {
+ clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+ hci_encrypt_cfm(conn, ev->status, 0x00);
}
}
+unlock:
hci_dev_unlock(hdev);
}
@@ -1557,6 +1679,7 @@ static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *
/* Encryption implies authentication */
conn->link_mode |= HCI_LM_AUTH;
conn->link_mode |= HCI_LM_ENCRYPT;
+ conn->sec_level = conn->pending_sec_level;
} else
conn->link_mode &= ~HCI_LM_ENCRYPT;
}
@@ -1760,6 +1883,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_read_local_features(hdev, skb);
break;
+ case HCI_OP_READ_LOCAL_EXT_FEATURES:
+ hci_cc_read_local_ext_features(hdev, skb);
+ break;
+
case HCI_OP_READ_BUFFER_SIZE:
hci_cc_read_buffer_size(hdev, skb);
break;
@@ -1816,6 +1943,22 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_user_confirm_neg_reply(hdev, skb);
break;
+ case HCI_OP_LE_SET_SCAN_ENABLE:
+ hci_cc_le_set_scan_enable(hdev, skb);
+ break;
+
+ case HCI_OP_LE_LTK_REPLY:
+ hci_cc_le_ltk_reply(hdev, skb);
+ break;
+
+ case HCI_OP_LE_LTK_NEG_REPLY:
+ hci_cc_le_ltk_neg_reply(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_LE_HOST_SUPPORTED:
+ hci_cc_write_le_host_supported(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
@@ -1894,6 +2037,10 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_le_create_conn(hdev, ev->status);
break;
+ case HCI_OP_LE_START_ENC:
+ hci_cs_le_start_enc(hdev, ev->status);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
@@ -2658,6 +2805,8 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
hci_dev_unlock(hdev);
return;
}
+
+ conn->dst_type = ev->bdaddr_type;
}
if (ev->status) {
@@ -2670,6 +2819,7 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
mgmt_connected(hdev->id, &ev->bdaddr);
+ conn->sec_level = BT_SECURITY_LOW;
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
@@ -2682,6 +2832,64 @@ unlock:
hci_dev_unlock(hdev);
}
+static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_le_advertising_info *ev;
+ u8 num_reports;
+
+ num_reports = skb->data[0];
+ ev = (void *) &skb->data[1];
+
+ hci_dev_lock(hdev);
+
+ hci_add_adv_entry(hdev, ev);
+
+ while (--num_reports) {
+ ev = (void *) (ev->data + ev->length + 1);
+ hci_add_adv_entry(hdev, ev);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_le_ltk_req *ev = (void *) skb->data;
+ struct hci_cp_le_ltk_reply cp;
+ struct hci_cp_le_ltk_neg_reply neg;
+ struct hci_conn *conn;
+ struct link_key *ltk;
+
+ BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn == NULL)
+ goto not_found;
+
+ ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
+ if (ltk == NULL)
+ goto not_found;
+
+ memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
+ cp.handle = cpu_to_le16(conn->handle);
+ conn->pin_length = ltk->pin_len;
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+
+ hci_dev_unlock(hdev);
+
+ return;
+
+not_found:
+ neg.handle = ev->handle;
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
+ hci_dev_unlock(hdev);
+}
+
static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_meta *le_ev = (void *) skb->data;
@@ -2693,6 +2901,14 @@ static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_le_conn_complete_evt(hdev, skb);
break;
+ case HCI_EV_LE_ADVERTISING_REPORT:
+ hci_le_adv_report_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LE_LTK_REQ:
+ hci_le_ltk_request_evt(hdev, skb);
+ break;
+
default:
break;
}
@@ -2886,3 +3102,6 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
hci_send_to_sock(hdev, skb, NULL);
kfree_skb(skb);
}
+
+module_param(enable_le, bool, 0444);
+MODULE_PARM_DESC(enable_le, "Enable LE support");
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 295e4a88fff..ff02cf5e77c 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -180,82 +180,24 @@ static int hci_sock_release(struct socket *sock)
return 0;
}
-struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
-{
- struct list_head *p;
-
- list_for_each(p, &hdev->blacklist) {
- struct bdaddr_list *b;
-
- b = list_entry(p, struct bdaddr_list, list);
-
- if (bacmp(bdaddr, &b->bdaddr) == 0)
- return b;
- }
-
- return NULL;
-}
-
-static int hci_blacklist_add(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
- struct bdaddr_list *entry;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- if (bacmp(&bdaddr, BDADDR_ANY) == 0)
- return -EBADF;
-
- if (hci_blacklist_lookup(hdev, &bdaddr))
- return -EEXIST;
-
- entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
-
- bacpy(&entry->bdaddr, &bdaddr);
-
- list_add(&entry->list, &hdev->blacklist);
-
- return 0;
-}
-
-int hci_blacklist_clear(struct hci_dev *hdev)
-{
- struct list_head *p, *n;
-
- list_for_each_safe(p, n, &hdev->blacklist) {
- struct bdaddr_list *b;
-
- b = list_entry(p, struct bdaddr_list, list);
-
- list_del(p);
- kfree(b);
- }
-
- return 0;
+ return hci_blacklist_add(hdev, &bdaddr);
}
-static int hci_blacklist_del(struct hci_dev *hdev, void __user *arg)
+static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
- struct bdaddr_list *entry;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- if (bacmp(&bdaddr, BDADDR_ANY) == 0)
- return hci_blacklist_clear(hdev);
-
- entry = hci_blacklist_lookup(hdev, &bdaddr);
- if (!entry)
- return -ENOENT;
-
- list_del(&entry->list);
- kfree(entry);
-
- return 0;
+ return hci_blacklist_del(hdev, &bdaddr);
}
/* Ioctls that require bound socket */
@@ -290,12 +232,12 @@ static inline int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsign
case HCIBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EACCES;
- return hci_blacklist_add(hdev, (void __user *) arg);
+ return hci_sock_blacklist_add(hdev, (void __user *) arg);
case HCIUNBLOCKADDR:
if (!capable(CAP_NET_ADMIN))
return -EACCES;
- return hci_blacklist_del(hdev, (void __user *) arg);
+ return hci_sock_blacklist_del(hdev, (void __user *) arg);
default:
if (hdev->ioctl)
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index c405a954a60..43b4c2deb7c 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -464,7 +464,8 @@ static void hidp_idle_timeout(unsigned long arg)
{
struct hidp_session *session = (struct hidp_session *) arg;
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
static void hidp_set_timer(struct hidp_session *session)
@@ -535,7 +536,8 @@ static void hidp_process_hid_control(struct hidp_session *session,
skb_queue_purge(&session->ctrl_transmit);
skb_queue_purge(&session->intr_transmit);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(current);
}
}
@@ -706,9 +708,8 @@ static int hidp_session(void *arg)
add_wait_queue(sk_sleep(intr_sk), &intr_wait);
session->waiting_for_startup = 0;
wake_up_interruptible(&session->startup_queue);
- while (!kthread_should_stop()) {
- set_current_state(TASK_INTERRUPTIBLE);
-
+ set_current_state(TASK_INTERRUPTIBLE);
+ while (!atomic_read(&session->terminate)) {
if (ctrl_sk->sk_state != BT_CONNECTED ||
intr_sk->sk_state != BT_CONNECTED)
break;
@@ -726,6 +727,7 @@ static int hidp_session(void *arg)
hidp_process_transmit(session);
schedule();
+ set_current_state(TASK_INTERRUPTIBLE);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(intr_sk), &intr_wait);
@@ -1060,7 +1062,8 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
err_add_device:
hid_destroy_device(session->hid);
session->hid = NULL;
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
unlink:
hidp_del_timer(session);
@@ -1111,7 +1114,8 @@ int hidp_del_connection(struct hidp_conndel_req *req)
skb_queue_purge(&session->ctrl_transmit);
skb_queue_purge(&session->intr_transmit);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
} else
err = -ENOENT;
diff --git a/net/bluetooth/hidp/hidp.h b/net/bluetooth/hidp/hidp.h
index 19e95004b28..af1bcc823f2 100644
--- a/net/bluetooth/hidp/hidp.h
+++ b/net/bluetooth/hidp/hidp.h
@@ -142,6 +142,7 @@ struct hidp_session {
uint ctrl_mtu;
uint intr_mtu;
+ atomic_t terminate;
struct task_struct *task;
unsigned char keys[8];
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e64a1c2df23..3204ba8a701 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -54,26 +54,39 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/smp.h>
int disable_ertm;
static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
static u8 l2cap_fixed_chan[8] = { 0x02, };
-static struct workqueue_struct *_busy_wq;
-
-LIST_HEAD(chan_list);
-DEFINE_RWLOCK(chan_list_lock);
-
-static void l2cap_busy_work(struct work_struct *work);
+static LIST_HEAD(chan_list);
+static DEFINE_RWLOCK(chan_list_lock);
static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
u8 code, u8 ident, u16 dlen, void *data);
+static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
+ void *data);
static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data);
+static void l2cap_send_disconn_req(struct l2cap_conn *conn,
+ struct l2cap_chan *chan, int err);
static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb);
/* ---- L2CAP channels ---- */
+
+static inline void chan_hold(struct l2cap_chan *c)
+{
+ atomic_inc(&c->refcnt);
+}
+
+static inline void chan_put(struct l2cap_chan *c)
+{
+ if (atomic_dec_and_test(&c->refcnt))
+ kfree(c);
+}
+
static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid)
{
struct l2cap_chan *c;
@@ -204,6 +217,62 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
return 0;
}
+static void l2cap_set_timer(struct l2cap_chan *chan, struct timer_list *timer, long timeout)
+{
+ BT_DBG("chan %p state %d timeout %ld", chan->sk, chan->state, timeout);
+
+ if (!mod_timer(timer, jiffies + msecs_to_jiffies(timeout)))
+ chan_hold(chan);
+}
+
+static void l2cap_clear_timer(struct l2cap_chan *chan, struct timer_list *timer)
+{
+ BT_DBG("chan %p state %d", chan, chan->state);
+
+ if (timer_pending(timer) && del_timer(timer))
+ chan_put(chan);
+}
+
+static void l2cap_state_change(struct l2cap_chan *chan, int state)
+{
+ chan->state = state;
+ chan->ops->state_change(chan->data, state);
+}
+
+static void l2cap_chan_timeout(unsigned long arg)
+{
+ struct l2cap_chan *chan = (struct l2cap_chan *) arg;
+ struct sock *sk = chan->sk;
+ int reason;
+
+ BT_DBG("chan %p state %d", chan, chan->state);
+
+ bh_lock_sock(sk);
+
+ if (sock_owned_by_user(sk)) {
+ /* sk is owned by user. Try again later */
+ __set_chan_timer(chan, HZ / 5);
+ bh_unlock_sock(sk);
+ chan_put(chan);
+ return;
+ }
+
+ if (chan->state == BT_CONNECTED || chan->state == BT_CONFIG)
+ reason = ECONNREFUSED;
+ else if (chan->state == BT_CONNECT &&
+ chan->sec_level != BT_SECURITY_SDP)
+ reason = ECONNREFUSED;
+ else
+ reason = ETIMEDOUT;
+
+ l2cap_chan_close(chan, reason);
+
+ bh_unlock_sock(sk);
+
+ chan->ops->close(chan->data);
+ chan_put(chan);
+}
+
struct l2cap_chan *l2cap_chan_create(struct sock *sk)
{
struct l2cap_chan *chan;
@@ -218,6 +287,12 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk)
list_add(&chan->global_l, &chan_list);
write_unlock_bh(&chan_list_lock);
+ setup_timer(&chan->chan_timer, l2cap_chan_timeout, (unsigned long) chan);
+
+ chan->state = BT_OPEN;
+
+ atomic_set(&chan->refcnt, 1);
+
return chan;
}
@@ -227,13 +302,11 @@ void l2cap_chan_destroy(struct l2cap_chan *chan)
list_del(&chan->global_l);
write_unlock_bh(&chan_list_lock);
- kfree(chan);
+ chan_put(chan);
}
static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
{
- struct sock *sk = chan->sk;
-
BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
chan->psm, chan->dcid);
@@ -241,7 +314,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->conn = conn;
- if (sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM) {
+ if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED) {
if (conn->hcon->type == LE_LINK) {
/* LE connection */
chan->omtu = L2CAP_LE_DEFAULT_MTU;
@@ -252,7 +325,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->scid = l2cap_alloc_cid(conn);
chan->omtu = L2CAP_DEFAULT_MTU;
}
- } else if (sk->sk_type == SOCK_DGRAM) {
+ } else if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
/* Connectionless socket */
chan->scid = L2CAP_CID_CONN_LESS;
chan->dcid = L2CAP_CID_CONN_LESS;
@@ -264,20 +337,20 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
chan->omtu = L2CAP_DEFAULT_MTU;
}
- sock_hold(sk);
+ chan_hold(chan);
list_add(&chan->list, &conn->chan_l);
}
/* Delete channel.
* Must be called on the locked socket. */
-void l2cap_chan_del(struct l2cap_chan *chan, int err)
+static void l2cap_chan_del(struct l2cap_chan *chan, int err)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
struct sock *parent = bt_sk(sk)->parent;
- l2cap_sock_clear_timer(sk);
+ __clear_chan_timer(chan);
BT_DBG("chan %p, conn %p, err %d", chan, conn, err);
@@ -286,13 +359,13 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
write_lock_bh(&conn->chan_lock);
list_del(&chan->list);
write_unlock_bh(&conn->chan_lock);
- __sock_put(sk);
+ chan_put(chan);
chan->conn = NULL;
hci_conn_put(conn->hcon);
}
- sk->sk_state = BT_CLOSED;
+ l2cap_state_change(chan, BT_CLOSED);
sock_set_flag(sk, SOCK_ZAPPED);
if (err)
@@ -304,8 +377,8 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
} else
sk->sk_state_change(sk);
- if (!(chan->conf_state & L2CAP_CONF_OUTPUT_DONE &&
- chan->conf_state & L2CAP_CONF_INPUT_DONE))
+ if (!(test_bit(CONF_OUTPUT_DONE, &chan->conf_state) &&
+ test_bit(CONF_INPUT_DONE, &chan->conf_state)))
return;
skb_queue_purge(&chan->tx_q);
@@ -313,12 +386,11 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (chan->mode == L2CAP_MODE_ERTM) {
struct srej_list *l, *tmp;
- del_timer(&chan->retrans_timer);
- del_timer(&chan->monitor_timer);
- del_timer(&chan->ack_timer);
+ __clear_retrans_timer(chan);
+ __clear_monitor_timer(chan);
+ __clear_ack_timer(chan);
skb_queue_purge(&chan->srej_q);
- skb_queue_purge(&chan->busy_q);
list_for_each_entry_safe(l, tmp, &chan->srej_l, list) {
list_del(&l->list);
@@ -327,11 +399,86 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
}
}
-static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
+static void l2cap_chan_cleanup_listen(struct sock *parent)
+{
+ struct sock *sk;
+
+ BT_DBG("parent %p", parent);
+
+ /* Close not yet accepted channels */
+ while ((sk = bt_accept_dequeue(parent, NULL))) {
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ __clear_chan_timer(chan);
+ lock_sock(sk);
+ l2cap_chan_close(chan, ECONNRESET);
+ release_sock(sk);
+ chan->ops->close(chan->data);
+ }
+}
+
+void l2cap_chan_close(struct l2cap_chan *chan, int reason)
{
+ struct l2cap_conn *conn = chan->conn;
struct sock *sk = chan->sk;
- if (sk->sk_type == SOCK_RAW) {
+ BT_DBG("chan %p state %d socket %p", chan, chan->state, sk->sk_socket);
+
+ switch (chan->state) {
+ case BT_LISTEN:
+ l2cap_chan_cleanup_listen(sk);
+
+ l2cap_state_change(chan, BT_CLOSED);
+ sock_set_flag(sk, SOCK_ZAPPED);
+ break;
+
+ case BT_CONNECTED:
+ case BT_CONFIG:
+ if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
+ conn->hcon->type == ACL_LINK) {
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, sk->sk_sndtimeo);
+ l2cap_send_disconn_req(conn, chan, reason);
+ } else
+ l2cap_chan_del(chan, reason);
+ break;
+
+ case BT_CONNECT2:
+ if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
+ conn->hcon->type == ACL_LINK) {
+ struct l2cap_conn_rsp rsp;
+ __u16 result;
+
+ if (bt_sk(sk)->defer_setup)
+ result = L2CAP_CR_SEC_BLOCK;
+ else
+ result = L2CAP_CR_BAD_PSM;
+ l2cap_state_change(chan, BT_DISCONN);
+
+ rsp.scid = cpu_to_le16(chan->dcid);
+ rsp.dcid = cpu_to_le16(chan->scid);
+ rsp.result = cpu_to_le16(result);
+ rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
+ sizeof(rsp), &rsp);
+ }
+
+ l2cap_chan_del(chan, reason);
+ break;
+
+ case BT_CONNECT:
+ case BT_DISCONN:
+ l2cap_chan_del(chan, reason);
+ break;
+
+ default:
+ sock_set_flag(sk, SOCK_ZAPPED);
+ break;
+ }
+}
+
+static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
+{
+ if (chan->chan_type == L2CAP_CHAN_RAW) {
switch (chan->sec_level) {
case BT_SECURITY_HIGH:
return HCI_AT_DEDICATED_BONDING_MITM;
@@ -371,7 +518,7 @@ static inline int l2cap_check_security(struct l2cap_chan *chan)
return hci_conn_security(conn->hcon, chan->sec_level, auth_type);
}
-u8 l2cap_get_ident(struct l2cap_conn *conn)
+static u8 l2cap_get_ident(struct l2cap_conn *conn)
{
u8 id;
@@ -393,7 +540,7 @@ u8 l2cap_get_ident(struct l2cap_conn *conn)
return id;
}
-void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data)
+static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data)
{
struct sk_buff *skb = l2cap_build_cmd(conn, code, ident, len, data);
u8 flags;
@@ -408,6 +555,8 @@ void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *d
else
flags = ACL_START;
+ bt_cb(skb)->force_active = BT_POWER_FORCE_ACTIVE_ON;
+
hci_send_acl(conn->hcon, skb, flags);
}
@@ -415,13 +564,11 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
{
struct sk_buff *skb;
struct l2cap_hdr *lh;
- struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct l2cap_conn *conn = chan->conn;
- struct sock *sk = (struct sock *)pi;
int count, hlen = L2CAP_HDR_SIZE + 2;
u8 flags;
- if (sk->sk_state != BT_CONNECTED)
+ if (chan->state != BT_CONNECTED)
return;
if (chan->fcs == L2CAP_FCS_CRC16)
@@ -432,15 +579,11 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
count = min_t(unsigned int, conn->mtu, hlen);
control |= L2CAP_CTRL_FRAME_TYPE;
- if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
control |= L2CAP_CTRL_FINAL;
- chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
- }
- if (chan->conn_state & L2CAP_CONN_SEND_PBIT) {
+ if (test_and_clear_bit(CONN_SEND_PBIT, &chan->conn_state))
control |= L2CAP_CTRL_POLL;
- chan->conn_state &= ~L2CAP_CONN_SEND_PBIT;
- }
skb = bt_skb_alloc(count, GFP_ATOMIC);
if (!skb)
@@ -461,14 +604,16 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
else
flags = ACL_START;
+ bt_cb(skb)->force_active = chan->force_active;
+
hci_send_acl(chan->conn->hcon, skb, flags);
}
static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u16 control)
{
- if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
control |= L2CAP_SUPER_RCV_NOT_READY;
- chan->conn_state |= L2CAP_CONN_RNR_SENT;
+ set_bit(CONN_RNR_SENT, &chan->conn_state);
} else
control |= L2CAP_SUPER_RCV_READY;
@@ -479,7 +624,7 @@ static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u16 control)
static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan)
{
- return !(chan->conf_state & L2CAP_CONF_CONNECT_PEND);
+ return !test_bit(CONF_CONNECT_PEND, &chan->conf_state);
}
static void l2cap_do_start(struct l2cap_chan *chan)
@@ -497,7 +642,7 @@ static void l2cap_do_start(struct l2cap_chan *chan)
req.psm = chan->psm;
chan->ident = l2cap_get_ident(conn);
- chan->conf_state |= L2CAP_CONF_CONNECT_PEND;
+ set_bit(CONF_CONNECT_PEND, &chan->conf_state);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
sizeof(req), &req);
@@ -533,7 +678,7 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
}
}
-void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err)
+static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err)
{
struct sock *sk;
struct l2cap_disconn_req req;
@@ -544,9 +689,9 @@ void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, in
sk = chan->sk;
if (chan->mode == L2CAP_MODE_ERTM) {
- del_timer(&chan->retrans_timer);
- del_timer(&chan->monitor_timer);
- del_timer(&chan->ack_timer);
+ __clear_retrans_timer(chan);
+ __clear_monitor_timer(chan);
+ __clear_ack_timer(chan);
}
req.dcid = cpu_to_le16(chan->dcid);
@@ -554,7 +699,7 @@ void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, in
l2cap_send_cmd(conn, l2cap_get_ident(conn),
L2CAP_DISCONN_REQ, sizeof(req), &req);
- sk->sk_state = BT_DISCONN;
+ l2cap_state_change(chan, BT_DISCONN);
sk->sk_err = err;
}
@@ -572,13 +717,12 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
bh_lock_sock(sk);
- if (sk->sk_type != SOCK_SEQPACKET &&
- sk->sk_type != SOCK_STREAM) {
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
bh_unlock_sock(sk);
continue;
}
- if (sk->sk_state == BT_CONNECT) {
+ if (chan->state == BT_CONNECT) {
struct l2cap_conn_req req;
if (!l2cap_check_security(chan) ||
@@ -587,15 +731,14 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
continue;
}
- if (!l2cap_mode_supported(chan->mode,
- conn->feat_mask)
- && chan->conf_state &
- L2CAP_CONF_STATE2_DEVICE) {
- /* __l2cap_sock_close() calls list_del(chan)
+ if (!l2cap_mode_supported(chan->mode, conn->feat_mask)
+ && test_bit(CONF_STATE2_DEVICE,
+ &chan->conf_state)) {
+ /* l2cap_chan_close() calls list_del(chan)
* so release the lock */
- read_unlock_bh(&conn->chan_lock);
- __l2cap_sock_close(sk, ECONNRESET);
- read_lock_bh(&conn->chan_lock);
+ read_unlock(&conn->chan_lock);
+ l2cap_chan_close(chan, ECONNRESET);
+ read_lock(&conn->chan_lock);
bh_unlock_sock(sk);
continue;
}
@@ -604,12 +747,12 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
req.psm = chan->psm;
chan->ident = l2cap_get_ident(conn);
- chan->conf_state |= L2CAP_CONF_CONNECT_PEND;
+ set_bit(CONF_CONNECT_PEND, &chan->conf_state);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
sizeof(req), &req);
- } else if (sk->sk_state == BT_CONNECT2) {
+ } else if (chan->state == BT_CONNECT2) {
struct l2cap_conn_rsp rsp;
char buf[128];
rsp.scid = cpu_to_le16(chan->dcid);
@@ -620,10 +763,11 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
struct sock *parent = bt_sk(sk)->parent;
rsp.result = cpu_to_le16(L2CAP_CR_PEND);
rsp.status = cpu_to_le16(L2CAP_CS_AUTHOR_PEND);
- parent->sk_data_ready(parent, 0);
+ if (parent)
+ parent->sk_data_ready(parent, 0);
} else {
- sk->sk_state = BT_CONFIG;
+ l2cap_state_change(chan, BT_CONFIG);
rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
}
@@ -635,13 +779,13 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
sizeof(rsp), &rsp);
- if (chan->conf_state & L2CAP_CONF_REQ_SENT ||
+ if (test_bit(CONF_REQ_SENT, &chan->conf_state) ||
rsp.result != L2CAP_CR_SUCCESS) {
bh_unlock_sock(sk);
continue;
}
- chan->conf_state |= L2CAP_CONF_REQ_SENT;
+ set_bit(CONF_REQ_SENT, &chan->conf_state);
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
@@ -665,7 +809,7 @@ static struct l2cap_chan *l2cap_global_chan_by_scid(int state, __le16 cid, bdadd
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
- if (state && sk->sk_state != state)
+ if (state && c->state != state)
continue;
if (c->scid == cid) {
@@ -709,24 +853,16 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
goto clean;
}
- sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP, GFP_ATOMIC);
- if (!sk)
- goto clean;
-
- chan = l2cap_chan_create(sk);
- if (!chan) {
- l2cap_sock_kill(sk);
+ chan = pchan->ops->new_connection(pchan->data);
+ if (!chan)
goto clean;
- }
- l2cap_pi(sk)->chan = chan;
+ sk = chan->sk;
write_lock_bh(&conn->chan_lock);
hci_conn_hold(conn->hcon);
- l2cap_sock_init(sk, parent);
-
bacpy(&bt_sk(sk)->src, conn->src);
bacpy(&bt_sk(sk)->dst, conn->dst);
@@ -734,9 +870,9 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
__l2cap_chan_add(conn, chan);
- l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
+ __set_chan_timer(chan, sk->sk_sndtimeo);
- sk->sk_state = BT_CONNECTED;
+ l2cap_state_change(chan, BT_CONNECTED);
parent->sk_data_ready(parent, 0);
write_unlock_bh(&conn->chan_lock);
@@ -745,6 +881,23 @@ clean:
bh_unlock_sock(parent);
}
+static void l2cap_chan_ready(struct sock *sk)
+{
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ struct sock *parent = bt_sk(sk)->parent;
+
+ BT_DBG("sk %p, parent %p", sk, parent);
+
+ chan->conf_state = 0;
+ __clear_chan_timer(chan);
+
+ l2cap_state_change(chan, BT_CONNECTED);
+ sk->sk_state_change(sk);
+
+ if (parent)
+ parent->sk_data_ready(parent, 0);
+}
+
static void l2cap_conn_ready(struct l2cap_conn *conn)
{
struct l2cap_chan *chan;
@@ -762,17 +915,15 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
bh_lock_sock(sk);
if (conn->hcon->type == LE_LINK) {
- l2cap_sock_clear_timer(sk);
- sk->sk_state = BT_CONNECTED;
- sk->sk_state_change(sk);
- }
+ if (smp_conn_security(conn, chan->sec_level))
+ l2cap_chan_ready(sk);
- if (sk->sk_type != SOCK_SEQPACKET &&
- sk->sk_type != SOCK_STREAM) {
- l2cap_sock_clear_timer(sk);
- sk->sk_state = BT_CONNECTED;
+ } else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
+ __clear_chan_timer(chan);
+ l2cap_state_change(chan, BT_CONNECTED);
sk->sk_state_change(sk);
- } else if (sk->sk_state == BT_CONNECT)
+
+ } else if (chan->state == BT_CONNECT)
l2cap_do_start(chan);
bh_unlock_sock(sk);
@@ -810,6 +961,45 @@ static void l2cap_info_timeout(unsigned long arg)
l2cap_conn_start(conn);
}
+static void l2cap_conn_del(struct hci_conn *hcon, int err)
+{
+ struct l2cap_conn *conn = hcon->l2cap_data;
+ struct l2cap_chan *chan, *l;
+ struct sock *sk;
+
+ if (!conn)
+ return;
+
+ BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
+
+ kfree_skb(conn->rx_skb);
+
+ /* Kill channels */
+ list_for_each_entry_safe(chan, l, &conn->chan_l, list) {
+ sk = chan->sk;
+ bh_lock_sock(sk);
+ l2cap_chan_del(chan, err);
+ bh_unlock_sock(sk);
+ chan->ops->close(chan->data);
+ }
+
+ if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
+ del_timer_sync(&conn->info_timer);
+
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
+ del_timer(&conn->security_timer);
+
+ hcon->l2cap_data = NULL;
+ kfree(conn);
+}
+
+static void security_timeout(unsigned long arg)
+{
+ struct l2cap_conn *conn = (void *) arg;
+
+ l2cap_conn_del(conn->hcon, ETIMEDOUT);
+}
+
static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
{
struct l2cap_conn *conn = hcon->l2cap_data;
@@ -841,7 +1031,10 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
INIT_LIST_HEAD(&conn->chan_l);
- if (hcon->type != LE_LINK)
+ if (hcon->type == LE_LINK)
+ setup_timer(&conn->security_timer, security_timeout,
+ (unsigned long) conn);
+ else
setup_timer(&conn->info_timer, l2cap_info_timeout,
(unsigned long) conn);
@@ -850,35 +1043,6 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
return conn;
}
-static void l2cap_conn_del(struct hci_conn *hcon, int err)
-{
- struct l2cap_conn *conn = hcon->l2cap_data;
- struct l2cap_chan *chan, *l;
- struct sock *sk;
-
- if (!conn)
- return;
-
- BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
-
- kfree_skb(conn->rx_skb);
-
- /* Kill channels */
- list_for_each_entry_safe(chan, l, &conn->chan_l, list) {
- sk = chan->sk;
- bh_lock_sock(sk);
- l2cap_chan_del(chan, err);
- bh_unlock_sock(sk);
- l2cap_sock_kill(sk);
- }
-
- if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
- del_timer_sync(&conn->info_timer);
-
- hcon->l2cap_data = NULL;
- kfree(conn);
-}
-
static inline void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
{
write_lock_bh(&conn->chan_lock);
@@ -900,7 +1064,7 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm, bdaddr
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
- if (state && sk->sk_state != state)
+ if (state && c->state != state)
continue;
if (c->psm == psm) {
@@ -967,15 +1131,14 @@ int l2cap_chan_connect(struct l2cap_chan *chan)
l2cap_chan_add(conn, chan);
- sk->sk_state = BT_CONNECT;
- l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
+ l2cap_state_change(chan, BT_CONNECT);
+ __set_chan_timer(chan, sk->sk_sndtimeo);
if (hcon->state == BT_CONNECTED) {
- if (sk->sk_type != SOCK_SEQPACKET &&
- sk->sk_type != SOCK_STREAM) {
- l2cap_sock_clear_timer(sk);
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
+ __clear_chan_timer(chan);
if (l2cap_check_security(chan))
- sk->sk_state = BT_CONNECTED;
+ l2cap_state_change(chan, BT_CONNECTED);
} else
l2cap_do_start(chan);
}
@@ -1035,7 +1198,7 @@ static void l2cap_monitor_timeout(unsigned long arg)
}
chan->retry_count++;
- __mod_monitor_timer();
+ __set_monitor_timer(chan);
l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL);
bh_unlock_sock(sk);
@@ -1050,9 +1213,9 @@ static void l2cap_retrans_timeout(unsigned long arg)
bh_lock_sock(sk);
chan->retry_count = 1;
- __mod_monitor_timer();
+ __set_monitor_timer(chan);
- chan->conn_state |= L2CAP_CONN_WAIT_F;
+ set_bit(CONN_WAIT_F, &chan->conn_state);
l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL);
bh_unlock_sock(sk);
@@ -1074,7 +1237,7 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
}
if (!chan->unacked_frames)
- del_timer(&chan->retrans_timer);
+ __clear_retrans_timer(chan);
}
void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
@@ -1089,6 +1252,7 @@ void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
else
flags = ACL_START;
+ bt_cb(skb)->force_active = chan->force_active;
hci_send_acl(hcon, skb, flags);
}
@@ -1142,10 +1306,8 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
control &= L2CAP_CTRL_SAR;
- if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
control |= L2CAP_CTRL_FINAL;
- chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
- }
control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
| (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
@@ -1163,11 +1325,10 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
int l2cap_ertm_send(struct l2cap_chan *chan)
{
struct sk_buff *skb, *tx_skb;
- struct sock *sk = chan->sk;
u16 control, fcs;
int nsent = 0;
- if (sk->sk_state != BT_CONNECTED)
+ if (chan->state != BT_CONNECTED)
return -ENOTCONN;
while ((skb = chan->tx_send_head) && (!l2cap_tx_window_full(chan))) {
@@ -1185,10 +1346,9 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
control &= L2CAP_CTRL_SAR;
- if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
control |= L2CAP_CTRL_FINAL;
- chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
- }
+
control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
| (chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
@@ -1201,7 +1361,7 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
l2cap_do_send(chan, tx_skb);
- __mod_retrans_timer();
+ __set_retrans_timer(chan);
bt_cb(skb)->tx_seq = chan->next_tx_seq;
chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
@@ -1240,9 +1400,9 @@ static void l2cap_send_ack(struct l2cap_chan *chan)
control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
control |= L2CAP_SUPER_RCV_NOT_READY;
- chan->conn_state |= L2CAP_CONN_RNR_SENT;
+ set_bit(CONN_RNR_SENT, &chan->conn_state);
l2cap_send_sframe(chan, control);
return;
}
@@ -1450,28 +1610,83 @@ int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t le
return size;
}
-static void l2cap_chan_ready(struct sock *sk)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
{
- struct sock *parent = bt_sk(sk)->parent;
- struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ struct sk_buff *skb;
+ u16 control;
+ int err;
- BT_DBG("sk %p, parent %p", sk, parent);
+ /* Connectionless channel */
+ if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
+ skb = l2cap_create_connless_pdu(chan, msg, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
- chan->conf_state = 0;
- l2cap_sock_clear_timer(sk);
+ l2cap_do_send(chan, skb);
+ return len;
+ }
- if (!parent) {
- /* Outgoing channel.
- * Wake up socket sleeping on connect.
- */
- sk->sk_state = BT_CONNECTED;
- sk->sk_state_change(sk);
- } else {
- /* Incoming channel.
- * Wake up socket sleeping on accept.
- */
- parent->sk_data_ready(parent, 0);
+ switch (chan->mode) {
+ case L2CAP_MODE_BASIC:
+ /* Check outgoing MTU */
+ if (len > chan->omtu)
+ return -EMSGSIZE;
+
+ /* Create a basic PDU */
+ skb = l2cap_create_basic_pdu(chan, msg, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ l2cap_do_send(chan, skb);
+ err = len;
+ break;
+
+ case L2CAP_MODE_ERTM:
+ case L2CAP_MODE_STREAMING:
+ /* Entire SDU fits into one PDU */
+ if (len <= chan->remote_mps) {
+ control = L2CAP_SDU_UNSEGMENTED;
+ skb = l2cap_create_iframe_pdu(chan, msg, len, control,
+ 0);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ __skb_queue_tail(&chan->tx_q, skb);
+
+ if (chan->tx_send_head == NULL)
+ chan->tx_send_head = skb;
+
+ } else {
+ /* Segment SDU into multiples PDUs */
+ err = l2cap_sar_segment_sdu(chan, msg, len);
+ if (err < 0)
+ return err;
+ }
+
+ if (chan->mode == L2CAP_MODE_STREAMING) {
+ l2cap_streaming_send(chan);
+ err = len;
+ break;
+ }
+
+ if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state) &&
+ test_bit(CONN_WAIT_F, &chan->conn_state)) {
+ err = len;
+ break;
+ }
+
+ err = l2cap_ertm_send(chan);
+ if (err >= 0)
+ err = len;
+
+ break;
+
+ default:
+ BT_DBG("bad state %1.1x", chan->mode);
+ err = -EBADFD;
}
+
+ return err;
}
/* Copy frame to all raw sockets on that connection */
@@ -1485,7 +1700,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
read_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) {
struct sock *sk = chan->sk;
- if (sk->sk_type != SOCK_RAW)
+ if (chan->chan_type != L2CAP_CHAN_RAW)
continue;
/* Don't send frame to the socket it came from */
@@ -1495,7 +1710,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
if (!nskb)
continue;
- if (sock_queue_rcv_skb(sk, nskb))
+ if (chan->ops->recv(chan->data, nskb))
kfree_skb(nskb);
}
read_unlock(&conn->chan_lock);
@@ -1654,11 +1869,9 @@ static inline void l2cap_ertm_init(struct l2cap_chan *chan)
setup_timer(&chan->ack_timer, l2cap_ack_timeout, (unsigned long) chan);
skb_queue_head_init(&chan->srej_q);
- skb_queue_head_init(&chan->busy_q);
INIT_LIST_HEAD(&chan->srej_l);
- INIT_WORK(&chan->busy_work, l2cap_busy_work);
sk->sk_backlog_rcv = l2cap_ertm_data_rcv;
}
@@ -1690,7 +1903,7 @@ static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data)
switch (chan->mode) {
case L2CAP_MODE_STREAMING:
case L2CAP_MODE_ERTM:
- if (chan->conf_state & L2CAP_CONF_STATE2_DEVICE)
+ if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state))
break;
/* fall through */
@@ -1737,7 +1950,7 @@ done:
break;
if (chan->fcs == L2CAP_FCS_NONE ||
- chan->conf_state & L2CAP_CONF_NO_FCS_RECV) {
+ test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) {
chan->fcs = L2CAP_FCS_NONE;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
}
@@ -1760,7 +1973,7 @@ done:
break;
if (chan->fcs == L2CAP_FCS_NONE ||
- chan->conf_state & L2CAP_CONF_NO_FCS_RECV) {
+ test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) {
chan->fcs = L2CAP_FCS_NONE;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
}
@@ -1812,7 +2025,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
case L2CAP_CONF_FCS:
if (val == L2CAP_FCS_NONE)
- chan->conf_state |= L2CAP_CONF_NO_FCS_RECV;
+ set_bit(CONF_NO_FCS_RECV, &chan->conf_state);
break;
@@ -1832,7 +2045,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
switch (chan->mode) {
case L2CAP_MODE_STREAMING:
case L2CAP_MODE_ERTM:
- if (!(chan->conf_state & L2CAP_CONF_STATE2_DEVICE)) {
+ if (!test_bit(CONF_STATE2_DEVICE, &chan->conf_state)) {
chan->mode = l2cap_select_mode(rfc.mode,
chan->conn->feat_mask);
break;
@@ -1865,14 +2078,14 @@ done:
result = L2CAP_CONF_UNACCEPT;
else {
chan->omtu = mtu;
- chan->conf_state |= L2CAP_CONF_MTU_DONE;
+ set_bit(CONF_MTU_DONE, &chan->conf_state);
}
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->omtu);
switch (rfc.mode) {
case L2CAP_MODE_BASIC:
chan->fcs = L2CAP_FCS_NONE;
- chan->conf_state |= L2CAP_CONF_MODE_DONE;
+ set_bit(CONF_MODE_DONE, &chan->conf_state);
break;
case L2CAP_MODE_ERTM:
@@ -1889,7 +2102,7 @@ done:
rfc.monitor_timeout =
le16_to_cpu(L2CAP_DEFAULT_MONITOR_TO);
- chan->conf_state |= L2CAP_CONF_MODE_DONE;
+ set_bit(CONF_MODE_DONE, &chan->conf_state);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc);
@@ -1902,7 +2115,7 @@ done:
chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
- chan->conf_state |= L2CAP_CONF_MODE_DONE;
+ set_bit(CONF_MODE_DONE, &chan->conf_state);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc);
@@ -1917,7 +2130,7 @@ done:
}
if (result == L2CAP_CONF_SUCCESS)
- chan->conf_state |= L2CAP_CONF_OUTPUT_DONE;
+ set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
}
rsp->scid = cpu_to_le16(chan->dcid);
rsp->result = cpu_to_le16(result);
@@ -1959,7 +2172,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
if (olen == sizeof(rfc))
memcpy(&rfc, (void *)val, olen);
- if ((chan->conf_state & L2CAP_CONF_STATE2_DEVICE) &&
+ if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
rfc.mode != chan->mode)
return -ECONNREFUSED;
@@ -2021,10 +2234,9 @@ void __l2cap_connect_rsp_defer(struct l2cap_chan *chan)
l2cap_send_cmd(conn, chan->ident,
L2CAP_CONN_RSP, sizeof(rsp), &rsp);
- if (chan->conf_state & L2CAP_CONF_REQ_SENT)
+ if (test_and_set_bit(CONF_REQ_SENT, &chan->conf_state))
return;
- chan->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
@@ -2066,9 +2278,9 @@ done:
static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
{
- struct l2cap_cmd_rej *rej = (struct l2cap_cmd_rej *) data;
+ struct l2cap_cmd_rej_unk *rej = (struct l2cap_cmd_rej_unk *) data;
- if (rej->reason != 0x0000)
+ if (rej->reason != L2CAP_REJ_NOT_UNDERSTOOD)
return 0;
if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) &&
@@ -2124,17 +2336,11 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
goto response;
}
- sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP, GFP_ATOMIC);
- if (!sk)
- goto response;
-
- chan = l2cap_chan_create(sk);
- if (!chan) {
- l2cap_sock_kill(sk);
+ chan = pchan->ops->new_connection(pchan->data);
+ if (!chan)
goto response;
- }
- l2cap_pi(sk)->chan = chan;
+ sk = chan->sk;
write_lock_bh(&conn->chan_lock);
@@ -2142,13 +2348,12 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
if (__l2cap_get_chan_by_dcid(conn, scid)) {
write_unlock_bh(&conn->chan_lock);
sock_set_flag(sk, SOCK_ZAPPED);
- l2cap_sock_kill(sk);
+ chan->ops->close(chan->data);
goto response;
}
hci_conn_hold(conn->hcon);
- l2cap_sock_init(sk, parent);
bacpy(&bt_sk(sk)->src, conn->src);
bacpy(&bt_sk(sk)->dst, conn->dst);
chan->psm = psm;
@@ -2160,29 +2365,29 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
dcid = chan->scid;
- l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
+ __set_chan_timer(chan, sk->sk_sndtimeo);
chan->ident = cmd->ident;
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) {
if (l2cap_check_security(chan)) {
if (bt_sk(sk)->defer_setup) {
- sk->sk_state = BT_CONNECT2;
+ l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_AUTHOR_PEND;
parent->sk_data_ready(parent, 0);
} else {
- sk->sk_state = BT_CONFIG;
+ l2cap_state_change(chan, BT_CONFIG);
result = L2CAP_CR_SUCCESS;
status = L2CAP_CS_NO_INFO;
}
} else {
- sk->sk_state = BT_CONNECT2;
+ l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_AUTHEN_PEND;
}
} else {
- sk->sk_state = BT_CONNECT2;
+ l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_NO_INFO;
}
@@ -2213,10 +2418,10 @@ sendresp:
L2CAP_INFO_REQ, sizeof(info), &info);
}
- if (chan && !(chan->conf_state & L2CAP_CONF_REQ_SENT) &&
+ if (chan && !test_bit(CONF_REQ_SENT, &chan->conf_state) &&
result == L2CAP_CR_SUCCESS) {
u8 buf[128];
- chan->conf_state |= L2CAP_CONF_REQ_SENT;
+ set_bit(CONF_REQ_SENT, &chan->conf_state);
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
@@ -2254,31 +2459,29 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
switch (result) {
case L2CAP_CR_SUCCESS:
- sk->sk_state = BT_CONFIG;
+ l2cap_state_change(chan, BT_CONFIG);
chan->ident = 0;
chan->dcid = dcid;
- chan->conf_state &= ~L2CAP_CONF_CONNECT_PEND;
+ clear_bit(CONF_CONNECT_PEND, &chan->conf_state);
- if (chan->conf_state & L2CAP_CONF_REQ_SENT)
+ if (test_and_set_bit(CONF_REQ_SENT, &chan->conf_state))
break;
- chan->conf_state |= L2CAP_CONF_REQ_SENT;
-
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(chan, req), req);
chan->num_conf_req++;
break;
case L2CAP_CR_PEND:
- chan->conf_state |= L2CAP_CONF_CONNECT_PEND;
+ set_bit(CONF_CONNECT_PEND, &chan->conf_state);
break;
default:
/* don't delete l2cap channel if sk is owned by user */
if (sock_owned_by_user(sk)) {
- sk->sk_state = BT_DISCONN;
- l2cap_sock_clear_timer(sk);
- l2cap_sock_set_timer(sk, HZ / 5);
+ l2cap_state_change(chan, BT_DISCONN);
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, HZ / 5);
break;
}
@@ -2292,14 +2495,12 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
static inline void set_default_fcs(struct l2cap_chan *chan)
{
- struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
-
/* FCS is enabled only in ERTM or streaming mode, if one or both
* sides request it.
*/
if (chan->mode != L2CAP_MODE_ERTM && chan->mode != L2CAP_MODE_STREAMING)
chan->fcs = L2CAP_FCS_NONE;
- else if (!(pi->chan->conf_state & L2CAP_CONF_NO_FCS_RECV))
+ else if (!test_bit(CONF_NO_FCS_RECV, &chan->conf_state))
chan->fcs = L2CAP_FCS_CRC16;
}
@@ -2323,10 +2524,13 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
sk = chan->sk;
- if (sk->sk_state != BT_CONFIG) {
- struct l2cap_cmd_rej rej;
+ if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2) {
+ struct l2cap_cmd_rej_cid rej;
+
+ rej.reason = cpu_to_le16(L2CAP_REJ_INVALID_CID);
+ rej.scid = cpu_to_le16(chan->scid);
+ rej.dcid = cpu_to_le16(chan->dcid);
- rej.reason = cpu_to_le16(0x0002);
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
sizeof(rej), &rej);
goto unlock;
@@ -2334,7 +2538,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);
- if (chan->conf_len + len > sizeof(chan->conf_req)) {
+ if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(chan, rsp,
L2CAP_CONF_REJECT, flags), rsp);
@@ -2366,13 +2570,13 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Reset config buffer. */
chan->conf_len = 0;
- if (!(chan->conf_state & L2CAP_CONF_OUTPUT_DONE))
+ if (!test_bit(CONF_OUTPUT_DONE, &chan->conf_state))
goto unlock;
- if (chan->conf_state & L2CAP_CONF_INPUT_DONE) {
+ if (test_bit(CONF_INPUT_DONE, &chan->conf_state)) {
set_default_fcs(chan);
- sk->sk_state = BT_CONNECTED;
+ l2cap_state_change(chan, BT_CONNECTED);
chan->next_tx_seq = 0;
chan->expected_tx_seq = 0;
@@ -2384,9 +2588,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
goto unlock;
}
- if (!(chan->conf_state & L2CAP_CONF_REQ_SENT)) {
+ if (!test_and_set_bit(CONF_REQ_SENT, &chan->conf_state)) {
u8 buf[64];
- chan->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(chan, buf), buf);
chan->num_conf_req++;
@@ -2451,7 +2654,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
default:
sk->sk_err = ECONNRESET;
- l2cap_sock_set_timer(sk, HZ * 5);
+ __set_chan_timer(chan, HZ * 5);
l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2459,12 +2662,12 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
if (flags & 0x01)
goto done;
- chan->conf_state |= L2CAP_CONF_INPUT_DONE;
+ set_bit(CONF_INPUT_DONE, &chan->conf_state);
- if (chan->conf_state & L2CAP_CONF_OUTPUT_DONE) {
+ if (test_bit(CONF_OUTPUT_DONE, &chan->conf_state)) {
set_default_fcs(chan);
- sk->sk_state = BT_CONNECTED;
+ l2cap_state_change(chan, BT_CONNECTED);
chan->next_tx_seq = 0;
chan->expected_tx_seq = 0;
skb_queue_head_init(&chan->tx_q);
@@ -2506,9 +2709,9 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
/* don't delete l2cap channel if sk is owned by user */
if (sock_owned_by_user(sk)) {
- sk->sk_state = BT_DISCONN;
- l2cap_sock_clear_timer(sk);
- l2cap_sock_set_timer(sk, HZ / 5);
+ l2cap_state_change(chan, BT_DISCONN);
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, HZ / 5);
bh_unlock_sock(sk);
return 0;
}
@@ -2516,7 +2719,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
l2cap_chan_del(chan, ECONNRESET);
bh_unlock_sock(sk);
- l2cap_sock_kill(sk);
+ chan->ops->close(chan->data);
return 0;
}
@@ -2540,9 +2743,9 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
/* don't delete l2cap channel if sk is owned by user */
if (sock_owned_by_user(sk)) {
- sk->sk_state = BT_DISCONN;
- l2cap_sock_clear_timer(sk);
- l2cap_sock_set_timer(sk, HZ / 5);
+ l2cap_state_change(chan,BT_DISCONN);
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, HZ / 5);
bh_unlock_sock(sk);
return 0;
}
@@ -2550,7 +2753,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
l2cap_chan_del(chan, 0);
bh_unlock_sock(sk);
- l2cap_sock_kill(sk);
+ chan->ops->close(chan->data);
return 0;
}
@@ -2818,12 +3021,12 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
err = l2cap_bredr_sig_cmd(conn, &cmd, cmd_len, data);
if (err) {
- struct l2cap_cmd_rej rej;
+ struct l2cap_cmd_rej_unk rej;
BT_ERR("Wrong link type (%d)", err);
/* FIXME: Map err to a valid reason */
- rej.reason = cpu_to_le16(0);
+ rej.reason = cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
}
@@ -2858,18 +3061,18 @@ static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
control |= L2CAP_SUPER_RCV_NOT_READY;
l2cap_send_sframe(chan, control);
- chan->conn_state |= L2CAP_CONN_RNR_SENT;
+ set_bit(CONN_RNR_SENT, &chan->conn_state);
}
- if (chan->conn_state & L2CAP_CONN_REMOTE_BUSY)
+ if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state))
l2cap_retransmit_frames(chan);
l2cap_ertm_send(chan);
- if (!(chan->conn_state & L2CAP_CONN_LOCAL_BUSY) &&
+ if (!test_bit(CONN_LOCAL_BUSY, &chan->conn_state) &&
chan->frames_sent == 0) {
control |= L2CAP_SUPER_RCV_READY;
l2cap_send_sframe(chan, control);
@@ -2925,17 +3128,13 @@ static int l2cap_ertm_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *sk
switch (control & L2CAP_CTRL_SAR) {
case L2CAP_SDU_UNSEGMENTED:
- if (chan->conn_state & L2CAP_CONN_SAR_SDU)
+ if (test_bit(CONN_SAR_SDU, &chan->conn_state))
goto drop;
- err = sock_queue_rcv_skb(chan->sk, skb);
- if (!err)
- return err;
-
- break;
+ return chan->ops->recv(chan->data, skb);
case L2CAP_SDU_START:
- if (chan->conn_state & L2CAP_CONN_SAR_SDU)
+ if (test_bit(CONN_SAR_SDU, &chan->conn_state))
goto drop;
chan->sdu_len = get_unaligned_le16(skb->data);
@@ -2954,12 +3153,12 @@ static int l2cap_ertm_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *sk
memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- chan->conn_state |= L2CAP_CONN_SAR_SDU;
+ set_bit(CONN_SAR_SDU, &chan->conn_state);
chan->partial_sdu_len = skb->len;
break;
case L2CAP_SDU_CONTINUE:
- if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!test_bit(CONN_SAR_SDU, &chan->conn_state))
goto disconnect;
if (!chan->sdu)
@@ -2974,39 +3173,34 @@ static int l2cap_ertm_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *sk
break;
case L2CAP_SDU_END:
- if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!test_bit(CONN_SAR_SDU, &chan->conn_state))
goto disconnect;
if (!chan->sdu)
goto disconnect;
- if (!(chan->conn_state & L2CAP_CONN_SAR_RETRY)) {
- chan->partial_sdu_len += skb->len;
+ chan->partial_sdu_len += skb->len;
- if (chan->partial_sdu_len > chan->imtu)
- goto drop;
+ if (chan->partial_sdu_len > chan->imtu)
+ goto drop;
- if (chan->partial_sdu_len != chan->sdu_len)
- goto drop;
+ if (chan->partial_sdu_len != chan->sdu_len)
+ goto drop;
- memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- }
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
_skb = skb_clone(chan->sdu, GFP_ATOMIC);
if (!_skb) {
- chan->conn_state |= L2CAP_CONN_SAR_RETRY;
return -ENOMEM;
}
- err = sock_queue_rcv_skb(chan->sk, _skb);
+ err = chan->ops->recv(chan->data, _skb);
if (err < 0) {
kfree_skb(_skb);
- chan->conn_state |= L2CAP_CONN_SAR_RETRY;
return err;
}
- chan->conn_state &= ~L2CAP_CONN_SAR_RETRY;
- chan->conn_state &= ~L2CAP_CONN_SAR_SDU;
+ clear_bit(CONN_SAR_SDU, &chan->conn_state);
kfree_skb(chan->sdu);
break;
@@ -3025,128 +3219,55 @@ disconnect:
return 0;
}
-static int l2cap_try_push_rx_skb(struct l2cap_chan *chan)
+static void l2cap_ertm_enter_local_busy(struct l2cap_chan *chan)
{
- struct sk_buff *skb;
u16 control;
- int err;
-
- while ((skb = skb_dequeue(&chan->busy_q))) {
- control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
- err = l2cap_ertm_reassembly_sdu(chan, skb, control);
- if (err < 0) {
- skb_queue_head(&chan->busy_q, skb);
- return -EBUSY;
- }
- chan->buffer_seq = (chan->buffer_seq + 1) % 64;
- }
+ BT_DBG("chan %p, Enter local busy", chan);
- if (!(chan->conn_state & L2CAP_CONN_RNR_SENT))
- goto done;
+ set_bit(CONN_LOCAL_BUSY, &chan->conn_state);
control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL;
+ control |= L2CAP_SUPER_RCV_NOT_READY;
l2cap_send_sframe(chan, control);
- chan->retry_count = 1;
- del_timer(&chan->retrans_timer);
- __mod_monitor_timer();
+ set_bit(CONN_RNR_SENT, &chan->conn_state);
- chan->conn_state |= L2CAP_CONN_WAIT_F;
-
-done:
- chan->conn_state &= ~L2CAP_CONN_LOCAL_BUSY;
- chan->conn_state &= ~L2CAP_CONN_RNR_SENT;
-
- BT_DBG("chan %p, Exit local busy", chan);
-
- return 0;
+ __clear_ack_timer(chan);
}
-static void l2cap_busy_work(struct work_struct *work)
+static void l2cap_ertm_exit_local_busy(struct l2cap_chan *chan)
{
- DECLARE_WAITQUEUE(wait, current);
- struct l2cap_chan *chan =
- container_of(work, struct l2cap_chan, busy_work);
- struct sock *sk = chan->sk;
- int n_tries = 0, timeo = HZ/5, err;
- struct sk_buff *skb;
-
- lock_sock(sk);
-
- add_wait_queue(sk_sleep(sk), &wait);
- while ((skb = skb_peek(&chan->busy_q))) {
- set_current_state(TASK_INTERRUPTIBLE);
-
- if (n_tries++ > L2CAP_LOCAL_BUSY_TRIES) {
- err = -EBUSY;
- l2cap_send_disconn_req(chan->conn, chan, EBUSY);
- break;
- }
-
- if (!timeo)
- timeo = HZ/5;
+ u16 control;
- if (signal_pending(current)) {
- err = sock_intr_errno(timeo);
- break;
- }
+ if (!test_bit(CONN_RNR_SENT, &chan->conn_state))
+ goto done;
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL;
+ l2cap_send_sframe(chan, control);
+ chan->retry_count = 1;
- err = sock_error(sk);
- if (err)
- break;
+ __clear_retrans_timer(chan);
+ __set_monitor_timer(chan);
- if (l2cap_try_push_rx_skb(chan) == 0)
- break;
- }
+ set_bit(CONN_WAIT_F, &chan->conn_state);
- set_current_state(TASK_RUNNING);
- remove_wait_queue(sk_sleep(sk), &wait);
+done:
+ clear_bit(CONN_LOCAL_BUSY, &chan->conn_state);
+ clear_bit(CONN_RNR_SENT, &chan->conn_state);
- release_sock(sk);
+ BT_DBG("chan %p, Exit local busy", chan);
}
-static int l2cap_push_rx_skb(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
+void l2cap_chan_busy(struct l2cap_chan *chan, int busy)
{
- int sctrl, err;
-
- if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
- bt_cb(skb)->sar = control >> L2CAP_CTRL_SAR_SHIFT;
- __skb_queue_tail(&chan->busy_q, skb);
- return l2cap_try_push_rx_skb(chan);
-
-
- }
-
- err = l2cap_ertm_reassembly_sdu(chan, skb, control);
- if (err >= 0) {
- chan->buffer_seq = (chan->buffer_seq + 1) % 64;
- return err;
+ if (chan->mode == L2CAP_MODE_ERTM) {
+ if (busy)
+ l2cap_ertm_enter_local_busy(chan);
+ else
+ l2cap_ertm_exit_local_busy(chan);
}
-
- /* Busy Condition */
- BT_DBG("chan %p, Enter local busy", chan);
-
- chan->conn_state |= L2CAP_CONN_LOCAL_BUSY;
- bt_cb(skb)->sar = control >> L2CAP_CTRL_SAR_SHIFT;
- __skb_queue_tail(&chan->busy_q, skb);
-
- sctrl = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- sctrl |= L2CAP_SUPER_RCV_NOT_READY;
- l2cap_send_sframe(chan, sctrl);
-
- chan->conn_state |= L2CAP_CONN_RNR_SENT;
-
- del_timer(&chan->ack_timer);
-
- queue_work(_busy_wq, &chan->busy_work);
-
- return err;
}
static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
@@ -3161,19 +3282,19 @@ static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buf
switch (control & L2CAP_CTRL_SAR) {
case L2CAP_SDU_UNSEGMENTED:
- if (chan->conn_state & L2CAP_CONN_SAR_SDU) {
+ if (test_bit(CONN_SAR_SDU, &chan->conn_state)) {
kfree_skb(chan->sdu);
break;
}
- err = sock_queue_rcv_skb(chan->sk, skb);
+ err = chan->ops->recv(chan->data, skb);
if (!err)
return 0;
break;
case L2CAP_SDU_START:
- if (chan->conn_state & L2CAP_CONN_SAR_SDU) {
+ if (test_bit(CONN_SAR_SDU, &chan->conn_state)) {
kfree_skb(chan->sdu);
break;
}
@@ -3194,13 +3315,13 @@ static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buf
memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- chan->conn_state |= L2CAP_CONN_SAR_SDU;
+ set_bit(CONN_SAR_SDU, &chan->conn_state);
chan->partial_sdu_len = skb->len;
err = 0;
break;
case L2CAP_SDU_CONTINUE:
- if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!test_bit(CONN_SAR_SDU, &chan->conn_state))
break;
memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
@@ -3214,12 +3335,12 @@ static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buf
break;
case L2CAP_SDU_END:
- if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!test_bit(CONN_SAR_SDU, &chan->conn_state))
break;
memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- chan->conn_state &= ~L2CAP_CONN_SAR_SDU;
+ clear_bit(CONN_SAR_SDU, &chan->conn_state);
chan->partial_sdu_len += skb->len;
if (chan->partial_sdu_len > chan->imtu)
@@ -3227,7 +3348,7 @@ static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buf
if (chan->partial_sdu_len == chan->sdu_len) {
_skb = skb_clone(chan->sdu, GFP_ATOMIC);
- err = sock_queue_rcv_skb(chan->sk, _skb);
+ err = chan->ops->recv(chan->data, _skb);
if (err < 0)
kfree_skb(_skb);
}
@@ -3247,13 +3368,22 @@ static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq)
struct sk_buff *skb;
u16 control;
- while ((skb = skb_peek(&chan->srej_q))) {
+ while ((skb = skb_peek(&chan->srej_q)) &&
+ !test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
+ int err;
+
if (bt_cb(skb)->tx_seq != tx_seq)
break;
skb = skb_dequeue(&chan->srej_q);
control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
- l2cap_ertm_reassembly_sdu(chan, skb, control);
+ err = l2cap_ertm_reassembly_sdu(chan, skb, control);
+
+ if (err < 0) {
+ l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ break;
+ }
+
chan->buffer_seq_srej =
(chan->buffer_seq_srej + 1) % 64;
tx_seq = (tx_seq + 1) % 64;
@@ -3310,19 +3440,16 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
tx_seq, rx_control);
if (L2CAP_CTRL_FINAL & rx_control &&
- chan->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&chan->monitor_timer);
+ test_bit(CONN_WAIT_F, &chan->conn_state)) {
+ __clear_monitor_timer(chan);
if (chan->unacked_frames > 0)
- __mod_retrans_timer();
- chan->conn_state &= ~L2CAP_CONN_WAIT_F;
+ __set_retrans_timer(chan);
+ clear_bit(CONN_WAIT_F, &chan->conn_state);
}
chan->expected_ack_seq = req_seq;
l2cap_drop_acked_frames(chan);
- if (tx_seq == chan->expected_tx_seq)
- goto expected;
-
tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
if (tx_seq_offset < 0)
tx_seq_offset += 64;
@@ -3333,10 +3460,13 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
goto drop;
}
- if (chan->conn_state == L2CAP_CONN_LOCAL_BUSY)
+ if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state))
goto drop;
- if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
+ if (tx_seq == chan->expected_tx_seq)
+ goto expected;
+
+ if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
struct srej_list *first;
first = list_first_entry(&chan->srej_l,
@@ -3350,7 +3480,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
if (list_empty(&chan->srej_l)) {
chan->buffer_seq = chan->buffer_seq_srej;
- chan->conn_state &= ~L2CAP_CONN_SREJ_SENT;
+ clear_bit(CONN_SREJ_SENT, &chan->conn_state);
l2cap_send_ack(chan);
BT_DBG("chan %p, Exit SREJ_SENT", chan);
}
@@ -3379,7 +3509,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
if (tx_seq_offset < expected_tx_seq_offset)
goto drop;
- chan->conn_state |= L2CAP_CONN_SREJ_SENT;
+ set_bit(CONN_SREJ_SENT, &chan->conn_state);
BT_DBG("chan %p, Enter SREJ", chan);
@@ -3387,39 +3517,39 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
chan->buffer_seq_srej = chan->buffer_seq;
__skb_queue_head_init(&chan->srej_q);
- __skb_queue_head_init(&chan->busy_q);
l2cap_add_to_srej_queue(chan, skb, tx_seq, sar);
- chan->conn_state |= L2CAP_CONN_SEND_PBIT;
+ set_bit(CONN_SEND_PBIT, &chan->conn_state);
l2cap_send_srejframe(chan, tx_seq);
- del_timer(&chan->ack_timer);
+ __clear_ack_timer(chan);
}
return 0;
expected:
chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
- if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
+ if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
bt_cb(skb)->tx_seq = tx_seq;
bt_cb(skb)->sar = sar;
__skb_queue_tail(&chan->srej_q, skb);
return 0;
}
- err = l2cap_push_rx_skb(chan, skb, rx_control);
- if (err < 0)
- return 0;
+ err = l2cap_ertm_reassembly_sdu(chan, skb, rx_control);
+ chan->buffer_seq = (chan->buffer_seq + 1) % 64;
+ if (err < 0) {
+ l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
+ return err;
+ }
if (rx_control & L2CAP_CTRL_FINAL) {
- if (chan->conn_state & L2CAP_CONN_REJ_ACT)
- chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
- else
+ if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
l2cap_retransmit_frames(chan);
}
- __mod_ack_timer();
+ __set_ack_timer(chan);
chan->num_acked = (chan->num_acked + 1) % num_to_ack;
if (chan->num_acked == num_to_ack - 1)
@@ -3441,33 +3571,31 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co
l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_POLL) {
- chan->conn_state |= L2CAP_CONN_SEND_FBIT;
- if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
- if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+ set_bit(CONN_SEND_FBIT, &chan->conn_state);
+ if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
+ if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state) &&
(chan->unacked_frames > 0))
- __mod_retrans_timer();
+ __set_retrans_timer(chan);
- chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
l2cap_send_srejtail(chan);
} else {
l2cap_send_i_or_rr_or_rnr(chan);
}
} else if (rx_control & L2CAP_CTRL_FINAL) {
- chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
- if (chan->conn_state & L2CAP_CONN_REJ_ACT)
- chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
- else
+ if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
l2cap_retransmit_frames(chan);
} else {
- if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+ if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state) &&
(chan->unacked_frames > 0))
- __mod_retrans_timer();
+ __set_retrans_timer(chan);
- chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
- if (chan->conn_state & L2CAP_CONN_SREJ_SENT)
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
+ if (test_bit(CONN_SREJ_SENT, &chan->conn_state))
l2cap_send_ack(chan);
else
l2cap_ertm_send(chan);
@@ -3480,21 +3608,19 @@ static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_c
BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
chan->expected_ack_seq = tx_seq;
l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_FINAL) {
- if (chan->conn_state & L2CAP_CONN_REJ_ACT)
- chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
- else
+ if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
l2cap_retransmit_frames(chan);
} else {
l2cap_retransmit_frames(chan);
- if (chan->conn_state & L2CAP_CONN_WAIT_F)
- chan->conn_state |= L2CAP_CONN_REJ_ACT;
+ if (test_bit(CONN_WAIT_F, &chan->conn_state))
+ set_bit(CONN_REJ_ACT, &chan->conn_state);
}
}
static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control)
@@ -3503,32 +3629,32 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_
BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
if (rx_control & L2CAP_CTRL_POLL) {
chan->expected_ack_seq = tx_seq;
l2cap_drop_acked_frames(chan);
- chan->conn_state |= L2CAP_CONN_SEND_FBIT;
+ set_bit(CONN_SEND_FBIT, &chan->conn_state);
l2cap_retransmit_one_frame(chan, tx_seq);
l2cap_ertm_send(chan);
- if (chan->conn_state & L2CAP_CONN_WAIT_F) {
+ if (test_bit(CONN_WAIT_F, &chan->conn_state)) {
chan->srej_save_reqseq = tx_seq;
- chan->conn_state |= L2CAP_CONN_SREJ_ACT;
+ set_bit(CONN_SREJ_ACT, &chan->conn_state);
}
} else if (rx_control & L2CAP_CTRL_FINAL) {
- if ((chan->conn_state & L2CAP_CONN_SREJ_ACT) &&
+ if (test_bit(CONN_SREJ_ACT, &chan->conn_state) &&
chan->srej_save_reqseq == tx_seq)
- chan->conn_state &= ~L2CAP_CONN_SREJ_ACT;
+ clear_bit(CONN_SREJ_ACT, &chan->conn_state);
else
l2cap_retransmit_one_frame(chan, tx_seq);
} else {
l2cap_retransmit_one_frame(chan, tx_seq);
- if (chan->conn_state & L2CAP_CONN_WAIT_F) {
+ if (test_bit(CONN_WAIT_F, &chan->conn_state)) {
chan->srej_save_reqseq = tx_seq;
- chan->conn_state |= L2CAP_CONN_SREJ_ACT;
+ set_bit(CONN_SREJ_ACT, &chan->conn_state);
}
}
}
@@ -3539,15 +3665,15 @@ static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_c
BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- chan->conn_state |= L2CAP_CONN_REMOTE_BUSY;
+ set_bit(CONN_REMOTE_BUSY, &chan->conn_state);
chan->expected_ack_seq = tx_seq;
l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_POLL)
- chan->conn_state |= L2CAP_CONN_SEND_FBIT;
+ set_bit(CONN_SEND_FBIT, &chan->conn_state);
- if (!(chan->conn_state & L2CAP_CONN_SREJ_SENT)) {
- del_timer(&chan->retrans_timer);
+ if (!test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
+ __clear_retrans_timer(chan);
if (rx_control & L2CAP_CTRL_POLL)
l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_FINAL);
return;
@@ -3564,11 +3690,11 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont
BT_DBG("chan %p rx_control 0x%4.4x len %d", chan, rx_control, skb->len);
if (L2CAP_CTRL_FINAL & rx_control &&
- chan->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&chan->monitor_timer);
+ test_bit(CONN_WAIT_F, &chan->conn_state)) {
+ __clear_monitor_timer(chan);
if (chan->unacked_frames > 0)
- __mod_retrans_timer();
- chan->conn_state &= ~L2CAP_CONN_WAIT_F;
+ __set_retrans_timer(chan);
+ clear_bit(CONN_WAIT_F, &chan->conn_state);
}
switch (rx_control & L2CAP_CTRL_SUPERVISE) {
@@ -3667,7 +3793,6 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
{
struct l2cap_chan *chan;
struct sock *sk = NULL;
- struct l2cap_pinfo *pi;
u16 control;
u8 tx_seq;
int len;
@@ -3679,11 +3804,10 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
}
sk = chan->sk;
- pi = l2cap_pi(sk);
BT_DBG("chan %p, len %d", chan, skb->len);
- if (sk->sk_state != BT_CONNECTED)
+ if (chan->state != BT_CONNECTED)
goto drop;
switch (chan->mode) {
@@ -3696,7 +3820,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
if (chan->imtu < skb->len)
goto drop;
- if (!sock_queue_rcv_skb(sk, skb))
+ if (!chan->ops->recv(chan->data, skb))
goto done;
break;
@@ -3768,13 +3892,13 @@ static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, str
BT_DBG("sk %p, len %d", sk, skb->len);
- if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
+ if (chan->state != BT_BOUND && chan->state != BT_CONNECTED)
goto drop;
- if (l2cap_pi(sk)->chan->imtu < skb->len)
+ if (chan->imtu < skb->len)
goto drop;
- if (!sock_queue_rcv_skb(sk, skb))
+ if (!chan->ops->recv(chan->data, skb))
goto done;
drop:
@@ -3801,13 +3925,13 @@ static inline int l2cap_att_channel(struct l2cap_conn *conn, __le16 cid, struct
BT_DBG("sk %p, len %d", sk, skb->len);
- if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
+ if (chan->state != BT_BOUND && chan->state != BT_CONNECTED)
goto drop;
- if (l2cap_pi(sk)->chan->imtu < skb->len)
+ if (chan->imtu < skb->len)
goto drop;
- if (!sock_queue_rcv_skb(sk, skb))
+ if (!chan->ops->recv(chan->data, skb))
goto done;
drop:
@@ -3852,6 +3976,11 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
l2cap_att_channel(conn, cid, skb);
break;
+ case L2CAP_CID_SMP:
+ if (smp_sig_channel(conn, skb))
+ l2cap_conn_del(conn->hcon, EACCES);
+ break;
+
default:
l2cap_data_channel(conn, cid, skb);
break;
@@ -3875,7 +4004,7 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
- if (sk->sk_state != BT_LISTEN)
+ if (c->state != BT_LISTEN)
continue;
if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr)) {
@@ -3908,7 +4037,7 @@ static int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
if (conn)
l2cap_conn_ready(conn);
} else
- l2cap_conn_del(hcon, bt_err(status));
+ l2cap_conn_del(hcon, bt_to_errno(status));
return 0;
}
@@ -3919,7 +4048,7 @@ static int l2cap_disconn_ind(struct hci_conn *hcon)
BT_DBG("hcon %p", hcon);
- if (hcon->type != ACL_LINK || !conn)
+ if ((hcon->type != ACL_LINK && hcon->type != LE_LINK) || !conn)
return 0x13;
return conn->disc_reason;
@@ -3932,27 +4061,25 @@ static int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
if (!(hcon->type == ACL_LINK || hcon->type == LE_LINK))
return -EINVAL;
- l2cap_conn_del(hcon, bt_err(reason));
+ l2cap_conn_del(hcon, bt_to_errno(reason));
return 0;
}
static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
{
- struct sock *sk = chan->sk;
-
- if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM)
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED)
return;
if (encrypt == 0x00) {
if (chan->sec_level == BT_SECURITY_MEDIUM) {
- l2cap_sock_clear_timer(sk);
- l2cap_sock_set_timer(sk, HZ * 5);
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, HZ * 5);
} else if (chan->sec_level == BT_SECURITY_HIGH)
- __l2cap_sock_close(sk, ECONNREFUSED);
+ l2cap_chan_close(chan, ECONNREFUSED);
} else {
if (chan->sec_level == BT_SECURITY_MEDIUM)
- l2cap_sock_clear_timer(sk);
+ __clear_chan_timer(chan);
}
}
@@ -3973,50 +4100,74 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
bh_lock_sock(sk);
- if (chan->conf_state & L2CAP_CONF_CONNECT_PEND) {
+ BT_DBG("chan->scid %d", chan->scid);
+
+ if (chan->scid == L2CAP_CID_LE_DATA) {
+ if (!status && encrypt) {
+ chan->sec_level = hcon->sec_level;
+ del_timer(&conn->security_timer);
+ l2cap_chan_ready(sk);
+ smp_distribute_keys(conn, 0);
+ }
+
+ bh_unlock_sock(sk);
+ continue;
+ }
+
+ if (test_bit(CONF_CONNECT_PEND, &chan->conf_state)) {
bh_unlock_sock(sk);
continue;
}
- if (!status && (sk->sk_state == BT_CONNECTED ||
- sk->sk_state == BT_CONFIG)) {
+ if (!status && (chan->state == BT_CONNECTED ||
+ chan->state == BT_CONFIG)) {
l2cap_check_encryption(chan, encrypt);
bh_unlock_sock(sk);
continue;
}
- if (sk->sk_state == BT_CONNECT) {
+ if (chan->state == BT_CONNECT) {
if (!status) {
struct l2cap_conn_req req;
req.scid = cpu_to_le16(chan->scid);
req.psm = chan->psm;
chan->ident = l2cap_get_ident(conn);
- chan->conf_state |= L2CAP_CONF_CONNECT_PEND;
+ set_bit(CONF_CONNECT_PEND, &chan->conf_state);
l2cap_send_cmd(conn, chan->ident,
L2CAP_CONN_REQ, sizeof(req), &req);
} else {
- l2cap_sock_clear_timer(sk);
- l2cap_sock_set_timer(sk, HZ / 10);
+ __clear_chan_timer(chan);
+ __set_chan_timer(chan, HZ / 10);
}
- } else if (sk->sk_state == BT_CONNECT2) {
+ } else if (chan->state == BT_CONNECT2) {
struct l2cap_conn_rsp rsp;
- __u16 result;
+ __u16 res, stat;
if (!status) {
- sk->sk_state = BT_CONFIG;
- result = L2CAP_CR_SUCCESS;
+ if (bt_sk(sk)->defer_setup) {
+ struct sock *parent = bt_sk(sk)->parent;
+ res = L2CAP_CR_PEND;
+ stat = L2CAP_CS_AUTHOR_PEND;
+ if (parent)
+ parent->sk_data_ready(parent, 0);
+ } else {
+ l2cap_state_change(chan, BT_CONFIG);
+ res = L2CAP_CR_SUCCESS;
+ stat = L2CAP_CS_NO_INFO;
+ }
} else {
- sk->sk_state = BT_DISCONN;
- l2cap_sock_set_timer(sk, HZ / 10);
- result = L2CAP_CR_SEC_BLOCK;
+ l2cap_state_change(chan, BT_DISCONN);
+ __set_chan_timer(chan, HZ / 10);
+ res = L2CAP_CR_SEC_BLOCK;
+ stat = L2CAP_CS_NO_INFO;
}
rsp.scid = cpu_to_le16(chan->dcid);
rsp.dcid = cpu_to_le16(chan->scid);
- rsp.result = cpu_to_le16(result);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
+ rsp.result = cpu_to_le16(res);
+ rsp.status = cpu_to_le16(stat);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
sizeof(rsp), &rsp);
}
@@ -4152,10 +4303,10 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p)
seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n",
batostr(&bt_sk(sk)->src),
batostr(&bt_sk(sk)->dst),
- sk->sk_state, __le16_to_cpu(c->psm),
+ c->state, __le16_to_cpu(c->psm),
c->scid, c->dcid, c->imtu, c->omtu,
c->sec_level, c->mode);
- }
+}
read_unlock_bh(&chan_list_lock);
@@ -4195,12 +4346,6 @@ int __init l2cap_init(void)
if (err < 0)
return err;
- _busy_wq = create_singlethread_workqueue("l2cap");
- if (!_busy_wq) {
- err = -ENOMEM;
- goto error;
- }
-
err = hci_register_proto(&l2cap_hci_proto);
if (err < 0) {
BT_ERR("L2CAP protocol registration failed");
@@ -4218,7 +4363,6 @@ int __init l2cap_init(void)
return 0;
error:
- destroy_workqueue(_busy_wq);
l2cap_cleanup_sockets();
return err;
}
@@ -4227,9 +4371,6 @@ void l2cap_exit(void)
{
debugfs_remove(l2cap_debugfs);
- flush_workqueue(_busy_wq);
- destroy_workqueue(_busy_wq);
-
if (hci_unregister_proto(&l2cap_hci_proto) < 0)
BT_ERR("L2CAP protocol unregistration failed");
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 8248303f44e..5c36b3e8739 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -29,54 +29,11 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/smp.h>
static const struct proto_ops l2cap_sock_ops;
-
-/* ---- L2CAP timers ---- */
-static void l2cap_sock_timeout(unsigned long arg)
-{
- struct sock *sk = (struct sock *) arg;
- int reason;
-
- BT_DBG("sock %p state %d", sk, sk->sk_state);
-
- bh_lock_sock(sk);
-
- if (sock_owned_by_user(sk)) {
- /* sk is owned by user. Try again later */
- l2cap_sock_set_timer(sk, HZ / 5);
- bh_unlock_sock(sk);
- sock_put(sk);
- return;
- }
-
- if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONFIG)
- reason = ECONNREFUSED;
- else if (sk->sk_state == BT_CONNECT &&
- l2cap_pi(sk)->chan->sec_level != BT_SECURITY_SDP)
- reason = ECONNREFUSED;
- else
- reason = ETIMEDOUT;
-
- __l2cap_sock_close(sk, reason);
-
- bh_unlock_sock(sk);
-
- l2cap_sock_kill(sk);
- sock_put(sk);
-}
-
-void l2cap_sock_set_timer(struct sock *sk, long timeout)
-{
- BT_DBG("sk %p state %d timeout %ld", sk, sk->sk_state, timeout);
- sk_reset_timer(sk, &sk->sk_timer, jiffies + timeout);
-}
-
-void l2cap_sock_clear_timer(struct sock *sk)
-{
- BT_DBG("sock %p state %d", sk, sk->sk_state);
- sk_stop_timer(sk, &sk->sk_timer);
-}
+static void l2cap_sock_init(struct sock *sk, struct sock *parent);
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio);
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
@@ -133,6 +90,8 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
chan->sec_level = BT_SECURITY_SDP;
bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
+
+ chan->state = BT_BOUND;
sk->sk_state = BT_BOUND;
done:
@@ -162,7 +121,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
lock_sock(sk);
- if ((sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM)
+ if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED
&& !(la.l2_psm || la.l2_cid)) {
err = -EINVAL;
goto done;
@@ -204,8 +163,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
}
/* PSM must be odd and lsb of upper byte must be 0 */
- if ((__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001 &&
- sk->sk_type != SOCK_RAW && !la.l2_cid) {
+ if ((__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001 && !la.l2_cid &&
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
goto done;
}
@@ -258,6 +217,8 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
+
+ chan->state = BT_LISTEN;
sk->sk_state = BT_LISTEN;
done:
@@ -437,6 +398,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
+ struct bt_power pwr;
int len, err = 0;
BT_DBG("sk %p", sk);
@@ -454,14 +416,18 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
- if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
- && sk->sk_type != SOCK_RAW) {
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
break;
}
+ memset(&sec, 0, sizeof(sec));
sec.level = chan->sec_level;
+ if (sk->sk_state == BT_CONNECTED)
+ sec.key_size = chan->conn->hcon->enc_key_size;
+
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
err = -EFAULT;
@@ -485,6 +451,21 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
break;
+ case BT_POWER:
+ if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
+ && sk->sk_type != SOCK_RAW) {
+ err = -EINVAL;
+ break;
+ }
+
+ pwr.force_active = chan->force_active;
+
+ len = min_t(unsigned int, len, sizeof(pwr));
+ if (copy_to_user(optval, (char *) &pwr, len))
+ err = -EFAULT;
+
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -535,7 +516,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
chan->mode = opts.mode;
switch (chan->mode) {
case L2CAP_MODE_BASIC:
- chan->conf_state &= ~L2CAP_CONF_STATE2_DEVICE;
+ clear_bit(CONF_STATE2_DEVICE, &chan->conf_state);
break;
case L2CAP_MODE_ERTM:
case L2CAP_MODE_STREAMING:
@@ -585,6 +566,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
+ struct bt_power pwr;
+ struct l2cap_conn *conn;
int len, err = 0;
u32 opt;
@@ -600,8 +583,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
- if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
- && sk->sk_type != SOCK_RAW) {
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
+ chan->chan_type != L2CAP_CHAN_RAW) {
err = -EINVAL;
break;
}
@@ -621,6 +604,20 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
chan->sec_level = sec.level;
+
+ conn = chan->conn;
+ if (conn && chan->scid == L2CAP_CID_LE_DATA) {
+ if (!conn->hcon->out) {
+ err = -EINVAL;
+ break;
+ }
+
+ if (smp_conn_security(conn, sec.level))
+ break;
+
+ err = 0;
+ sk->sk_state = BT_CONFIG;
+ }
break;
case BT_DEFER_SETUP:
@@ -661,6 +658,23 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
chan->flushable = opt;
break;
+ case BT_POWER:
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED &&
+ chan->chan_type != L2CAP_CHAN_RAW) {
+ err = -EINVAL;
+ break;
+ }
+
+ pwr.force_active = BT_POWER_FORCE_ACTIVE_ON;
+
+ len = min_t(unsigned int, sizeof(pwr), optlen);
+ if (copy_from_user((char *) &pwr, optval, len)) {
+ err = -EFAULT;
+ break;
+ }
+ chan->force_active = pwr.force_active;
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -674,8 +688,6 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
- struct sk_buff *skb;
- u16 control;
int err;
BT_DBG("sock %p, sk %p", sock, sk);
@@ -690,87 +702,12 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
lock_sock(sk);
if (sk->sk_state != BT_CONNECTED) {
- err = -ENOTCONN;
- goto done;
- }
-
- /* Connectionless channel */
- if (sk->sk_type == SOCK_DGRAM) {
- skb = l2cap_create_connless_pdu(chan, msg, len);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- } else {
- l2cap_do_send(chan, skb);
- err = len;
- }
- goto done;
+ release_sock(sk);
+ return -ENOTCONN;
}
- switch (chan->mode) {
- case L2CAP_MODE_BASIC:
- /* Check outgoing MTU */
- if (len > chan->omtu) {
- err = -EMSGSIZE;
- goto done;
- }
-
- /* Create a basic PDU */
- skb = l2cap_create_basic_pdu(chan, msg, len);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- goto done;
- }
-
- l2cap_do_send(chan, skb);
- err = len;
- break;
-
- case L2CAP_MODE_ERTM:
- case L2CAP_MODE_STREAMING:
- /* Entire SDU fits into one PDU */
- if (len <= chan->remote_mps) {
- control = L2CAP_SDU_UNSEGMENTED;
- skb = l2cap_create_iframe_pdu(chan, msg, len, control,
- 0);
- if (IS_ERR(skb)) {
- err = PTR_ERR(skb);
- goto done;
- }
- __skb_queue_tail(&chan->tx_q, skb);
-
- if (chan->tx_send_head == NULL)
- chan->tx_send_head = skb;
+ err = l2cap_chan_send(chan, msg, len);
- } else {
- /* Segment SDU into multiples PDUs */
- err = l2cap_sar_segment_sdu(chan, msg, len);
- if (err < 0)
- goto done;
- }
-
- if (chan->mode == L2CAP_MODE_STREAMING) {
- l2cap_streaming_send(chan);
- err = len;
- break;
- }
-
- if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
- (chan->conn_state & L2CAP_CONN_WAIT_F)) {
- err = len;
- break;
- }
- err = l2cap_ertm_send(chan);
-
- if (err >= 0)
- err = len;
- break;
-
- default:
- BT_DBG("bad state %1.1x", chan->mode);
- err = -EBADFD;
- }
-
-done:
release_sock(sk);
return err;
}
@@ -778,13 +715,15 @@ done:
static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags)
{
struct sock *sk = sock->sk;
+ struct l2cap_pinfo *pi = l2cap_pi(sk);
+ int err;
lock_sock(sk);
if (sk->sk_state == BT_CONNECT2 && bt_sk(sk)->defer_setup) {
sk->sk_state = BT_CONFIG;
- __l2cap_connect_rsp_defer(l2cap_pi(sk)->chan);
+ __l2cap_connect_rsp_defer(pi->chan);
release_sock(sk);
return 0;
}
@@ -792,15 +731,43 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms
release_sock(sk);
if (sock->type == SOCK_STREAM)
- return bt_sock_stream_recvmsg(iocb, sock, msg, len, flags);
+ err = bt_sock_stream_recvmsg(iocb, sock, msg, len, flags);
+ else
+ err = bt_sock_recvmsg(iocb, sock, msg, len, flags);
- return bt_sock_recvmsg(iocb, sock, msg, len, flags);
+ if (pi->chan->mode != L2CAP_MODE_ERTM)
+ return err;
+
+ /* Attempt to put pending rx data in the socket buffer */
+
+ lock_sock(sk);
+
+ if (!test_bit(CONN_LOCAL_BUSY, &pi->chan->conn_state))
+ goto done;
+
+ if (pi->rx_busy_skb) {
+ if (!sock_queue_rcv_skb(sk, pi->rx_busy_skb))
+ pi->rx_busy_skb = NULL;
+ else
+ goto done;
+ }
+
+ /* Restore data flow when half of the receive buffer is
+ * available. This avoids resending large numbers of
+ * frames.
+ */
+ if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf >> 1)
+ l2cap_chan_busy(pi->chan, 0);
+
+done:
+ release_sock(sk);
+ return err;
}
/* Kill socket (only if zapped and orphan)
* Must be called on unlocked socket.
*/
-void l2cap_sock_kill(struct sock *sk)
+static void l2cap_sock_kill(struct sock *sk)
{
if (!sock_flag(sk, SOCK_ZAPPED) || sk->sk_socket)
return;
@@ -814,87 +781,6 @@ void l2cap_sock_kill(struct sock *sk)
sock_put(sk);
}
-/* Must be called on unlocked socket. */
-static void l2cap_sock_close(struct sock *sk)
-{
- l2cap_sock_clear_timer(sk);
- lock_sock(sk);
- __l2cap_sock_close(sk, ECONNRESET);
- release_sock(sk);
- l2cap_sock_kill(sk);
-}
-
-static void l2cap_sock_cleanup_listen(struct sock *parent)
-{
- struct sock *sk;
-
- BT_DBG("parent %p", parent);
-
- /* Close not yet accepted channels */
- while ((sk = bt_accept_dequeue(parent, NULL)))
- l2cap_sock_close(sk);
-
- parent->sk_state = BT_CLOSED;
- sock_set_flag(parent, SOCK_ZAPPED);
-}
-
-void __l2cap_sock_close(struct sock *sk, int reason)
-{
- struct l2cap_chan *chan = l2cap_pi(sk)->chan;
- struct l2cap_conn *conn = chan->conn;
-
- BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
-
- switch (sk->sk_state) {
- case BT_LISTEN:
- l2cap_sock_cleanup_listen(sk);
- break;
-
- case BT_CONNECTED:
- case BT_CONFIG:
- if ((sk->sk_type == SOCK_SEQPACKET ||
- sk->sk_type == SOCK_STREAM) &&
- conn->hcon->type == ACL_LINK) {
- l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
- l2cap_send_disconn_req(conn, chan, reason);
- } else
- l2cap_chan_del(chan, reason);
- break;
-
- case BT_CONNECT2:
- if ((sk->sk_type == SOCK_SEQPACKET ||
- sk->sk_type == SOCK_STREAM) &&
- conn->hcon->type == ACL_LINK) {
- struct l2cap_conn_rsp rsp;
- __u16 result;
-
- if (bt_sk(sk)->defer_setup)
- result = L2CAP_CR_SEC_BLOCK;
- else
- result = L2CAP_CR_BAD_PSM;
-
- rsp.scid = cpu_to_le16(chan->dcid);
- rsp.dcid = cpu_to_le16(chan->scid);
- rsp.result = cpu_to_le16(result);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
- sizeof(rsp), &rsp);
- }
-
- l2cap_chan_del(chan, reason);
- break;
-
- case BT_CONNECT:
- case BT_DISCONN:
- l2cap_chan_del(chan, reason);
- break;
-
- default:
- sock_set_flag(sk, SOCK_ZAPPED);
- break;
- }
-}
-
static int l2cap_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
@@ -912,8 +798,7 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
err = __l2cap_wait_ack(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
- l2cap_sock_clear_timer(sk);
- __l2cap_sock_close(sk, 0);
+ l2cap_chan_close(chan, 0);
if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime)
err = bt_sock_wait_state(sk, BT_CLOSED,
@@ -944,15 +829,85 @@ static int l2cap_sock_release(struct socket *sock)
return err;
}
+static struct l2cap_chan *l2cap_sock_new_connection_cb(void *data)
+{
+ struct sock *sk, *parent = data;
+
+ sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP,
+ GFP_ATOMIC);
+ if (!sk)
+ return NULL;
+
+ l2cap_sock_init(sk, parent);
+
+ return l2cap_pi(sk)->chan;
+}
+
+static int l2cap_sock_recv_cb(void *data, struct sk_buff *skb)
+{
+ int err;
+ struct sock *sk = data;
+ struct l2cap_pinfo *pi = l2cap_pi(sk);
+
+ if (pi->rx_busy_skb)
+ return -ENOMEM;
+
+ err = sock_queue_rcv_skb(sk, skb);
+
+ /* For ERTM, handle one skb that doesn't fit into the recv
+ * buffer. This is important to do because the data frames
+ * have already been acked, so the skb cannot be discarded.
+ *
+ * Notify the l2cap core that the buffer is full, so the
+ * LOCAL_BUSY state is entered and no more frames are
+ * acked and reassembled until there is buffer space
+ * available.
+ */
+ if (err < 0 && pi->chan->mode == L2CAP_MODE_ERTM) {
+ pi->rx_busy_skb = skb;
+ l2cap_chan_busy(pi->chan, 1);
+ err = 0;
+ }
+
+ return err;
+}
+
+static void l2cap_sock_close_cb(void *data)
+{
+ struct sock *sk = data;
+
+ l2cap_sock_kill(sk);
+}
+
+static void l2cap_sock_state_change_cb(void *data, int state)
+{
+ struct sock *sk = data;
+
+ sk->sk_state = state;
+}
+
+static struct l2cap_ops l2cap_chan_ops = {
+ .name = "L2CAP Socket Interface",
+ .new_connection = l2cap_sock_new_connection_cb,
+ .recv = l2cap_sock_recv_cb,
+ .close = l2cap_sock_close_cb,
+ .state_change = l2cap_sock_state_change_cb,
+};
+
static void l2cap_sock_destruct(struct sock *sk)
{
BT_DBG("sk %p", sk);
+ if (l2cap_pi(sk)->rx_busy_skb) {
+ kfree_skb(l2cap_pi(sk)->rx_busy_skb);
+ l2cap_pi(sk)->rx_busy_skb = NULL;
+ }
+
skb_queue_purge(&sk->sk_receive_queue);
skb_queue_purge(&sk->sk_write_queue);
}
-void l2cap_sock_init(struct sock *sk, struct sock *parent)
+static void l2cap_sock_init(struct sock *sk, struct sock *parent)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_chan *chan = pi->chan;
@@ -965,6 +920,7 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
sk->sk_type = parent->sk_type;
bt_sk(sk)->defer_setup = bt_sk(parent)->defer_setup;
+ chan->chan_type = pchan->chan_type;
chan->imtu = pchan->imtu;
chan->omtu = pchan->omtu;
chan->conf_state = pchan->conf_state;
@@ -976,12 +932,27 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
chan->role_switch = pchan->role_switch;
chan->force_reliable = pchan->force_reliable;
chan->flushable = pchan->flushable;
+ chan->force_active = pchan->force_active;
} else {
+
+ switch (sk->sk_type) {
+ case SOCK_RAW:
+ chan->chan_type = L2CAP_CHAN_RAW;
+ break;
+ case SOCK_DGRAM:
+ chan->chan_type = L2CAP_CHAN_CONN_LESS;
+ break;
+ case SOCK_SEQPACKET:
+ case SOCK_STREAM:
+ chan->chan_type = L2CAP_CHAN_CONN_ORIENTED;
+ break;
+ }
+
chan->imtu = L2CAP_DEFAULT_MTU;
chan->omtu = 0;
if (!disable_ertm && sk->sk_type == SOCK_STREAM) {
chan->mode = L2CAP_MODE_ERTM;
- chan->conf_state |= L2CAP_CONF_STATE2_DEVICE;
+ set_bit(CONF_STATE2_DEVICE, &chan->conf_state);
} else {
chan->mode = L2CAP_MODE_BASIC;
}
@@ -992,10 +963,15 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
chan->role_switch = 0;
chan->force_reliable = 0;
chan->flushable = BT_FLUSHABLE_OFF;
+ chan->force_active = BT_POWER_FORCE_ACTIVE_ON;
+
}
/* Default config options */
chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
+
+ chan->data = sk;
+ chan->ops = &l2cap_chan_ops;
}
static struct proto l2cap_proto = {
@@ -1004,9 +980,10 @@ static struct proto l2cap_proto = {
.obj_size = sizeof(struct l2cap_pinfo)
};
-struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
{
struct sock *sk;
+ struct l2cap_chan *chan;
sk = sk_alloc(net, PF_BLUETOOTH, prio, &l2cap_proto);
if (!sk)
@@ -1023,7 +1000,13 @@ struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, g
sk->sk_protocol = proto;
sk->sk_state = BT_OPEN;
- setup_timer(&sk->sk_timer, l2cap_sock_timeout, (unsigned long) sk);
+ chan = l2cap_chan_create(sk);
+ if (!chan) {
+ l2cap_sock_kill(sk);
+ return NULL;
+ }
+
+ l2cap_pi(sk)->chan = chan;
return sk;
}
@@ -1032,7 +1015,6 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
- struct l2cap_chan *chan;
BT_DBG("sock %p", sock);
@@ -1051,14 +1033,6 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
if (!sk)
return -ENOMEM;
- chan = l2cap_chan_create(sk);
- if (!chan) {
- l2cap_sock_kill(sk);
- return -ENOMEM;
- }
-
- l2cap_pi(sk)->chan = chan;
-
l2cap_sock_init(sk, NULL);
return 0;
}
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index b826d1bf10d..86a6bed229d 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -59,7 +59,7 @@ char *batostr(bdaddr_t *ba)
EXPORT_SYMBOL(batostr);
/* Bluetooth error codes to Unix errno mapping */
-int bt_err(__u16 code)
+int bt_to_errno(__u16 code)
{
switch (code) {
case 0:
@@ -149,4 +149,23 @@ int bt_err(__u16 code)
return ENOSYS;
}
}
-EXPORT_SYMBOL(bt_err);
+EXPORT_SYMBOL(bt_to_errno);
+
+int bt_printk(const char *level, const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int r;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ r = printk("%sBluetooth: %pV\n", level, &vaf);
+
+ va_end(args);
+
+ return r;
+}
+EXPORT_SYMBOL(bt_printk);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index dae382ce702..53e109eb043 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -41,7 +41,7 @@ struct pending_cmd {
void *user_data;
};
-LIST_HEAD(cmd_list);
+static LIST_HEAD(cmd_list);
static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
{
@@ -179,7 +179,7 @@ static int read_controller_info(struct sock *sk, u16 index)
hci_del_off_timer(hdev);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
set_bit(HCI_MGMT, &hdev->flags);
@@ -208,7 +208,7 @@ static int read_controller_info(struct sock *sk, u16 index)
memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp));
@@ -316,7 +316,7 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
up = test_bit(HCI_UP, &hdev->flags);
if ((cp->val && up) || (!cp->val && !up)) {
@@ -343,7 +343,7 @@ static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
err = 0;
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
@@ -368,7 +368,7 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN);
@@ -403,7 +403,7 @@ static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -429,7 +429,7 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN);
@@ -463,7 +463,7 @@ static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -522,7 +522,7 @@ static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (cp->val)
set_bit(HCI_PAIRABLE, &hdev->flags);
@@ -538,7 +538,7 @@ static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -739,7 +739,7 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
if (!uuid) {
@@ -763,7 +763,7 @@ static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -788,7 +788,7 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
err = hci_uuids_clear(hdev);
@@ -823,7 +823,7 @@ static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0);
unlock:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -847,7 +847,7 @@ static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
hdev->major_class = cp->major;
hdev->minor_class = cp->minor;
@@ -857,7 +857,7 @@ static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
if (err == 0)
err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -879,7 +879,7 @@ static int set_service_cache(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
BT_DBG("hci%u enable %d", index, cp->enable);
@@ -897,7 +897,7 @@ static int set_service_cache(struct sock *sk, u16 index, unsigned char *data,
err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL,
0);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -908,7 +908,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
struct hci_dev *hdev;
struct mgmt_cp_load_keys *cp;
u16 key_count, expected_len;
- int i;
+ int i, err;
cp = (void *) data;
@@ -918,9 +918,9 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
key_count = get_unaligned_le16(&cp->key_count);
expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
- if (expected_len != len) {
- BT_ERR("load_keys: expected %u bytes, got %u bytes",
- len, expected_len);
+ if (expected_len > len) {
+ BT_ERR("load_keys: expected at least %u bytes, got %u bytes",
+ expected_len, len);
return -EINVAL;
}
@@ -931,7 +931,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
key_count);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
hci_link_keys_clear(hdev);
@@ -942,17 +942,36 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
else
clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
- for (i = 0; i < key_count; i++) {
- struct mgmt_key_info *key = &cp->keys[i];
+ len -= sizeof(*cp);
+ i = 0;
+
+ while (i < len) {
+ struct mgmt_key_info *key = (void *) cp->keys + i;
+
+ i += sizeof(*key) + key->dlen;
+
+ if (key->type == HCI_LK_SMP_LTK) {
+ struct key_master_id *id = (void *) key->data;
+
+ if (key->dlen != sizeof(struct key_master_id))
+ continue;
+
+ hci_add_ltk(hdev, 0, &key->bdaddr, key->pin_len,
+ id->ediv, id->rand, key->val);
+
+ continue;
+ }
hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
key->pin_len);
}
- hci_dev_unlock(hdev);
+ err = cmd_complete(sk, index, MGMT_OP_LOAD_KEYS, NULL, 0);
+
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
- return 0;
+ return err;
}
static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
@@ -971,7 +990,7 @@ static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
err = hci_remove_link_key(hdev, &cp->bdaddr);
if (err < 0) {
@@ -990,11 +1009,11 @@ static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
put_unaligned_le16(conn->handle, &dc.handle);
dc.reason = 0x13; /* Remote User Terminated Connection */
- err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, 0, NULL);
+ err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
}
unlock:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1020,7 +1039,7 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN);
@@ -1055,7 +1074,7 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1076,7 +1095,7 @@ static int get_connections(struct sock *sk, u16 index)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
count = 0;
list_for_each(p, &hdev->conn_hash.list) {
@@ -1092,8 +1111,6 @@ static int get_connections(struct sock *sk, u16 index)
put_unaligned_le16(count, &rp->conn_count);
- read_lock(&hci_dev_list_lock);
-
i = 0;
list_for_each(p, &hdev->conn_hash.list) {
struct hci_conn *c = list_entry(p, struct hci_conn, list);
@@ -1101,22 +1118,41 @@ static int get_connections(struct sock *sk, u16 index)
bacpy(&rp->conn[i++], &c->dst);
}
- read_unlock(&hci_dev_list_lock);
-
err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len);
unlock:
kfree(rp);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
+static int send_pin_code_neg_reply(struct sock *sk, u16 index,
+ struct hci_dev *hdev, struct mgmt_cp_pin_code_neg_reply *cp)
+{
+ struct pending_cmd *cmd;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index, cp,
+ sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr),
+ &cp->bdaddr);
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+ return err;
+}
+
static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
u16 len)
{
struct hci_dev *hdev;
+ struct hci_conn *conn;
struct mgmt_cp_pin_code_reply *cp;
+ struct mgmt_cp_pin_code_neg_reply ncp;
struct hci_cp_pin_code_reply reply;
struct pending_cmd *cmd;
int err;
@@ -1132,13 +1168,32 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN);
goto failed;
}
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+ if (!conn) {
+ err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENOTCONN);
+ goto failed;
+ }
+
+ if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
+ bacpy(&ncp.bdaddr, &cp->bdaddr);
+
+ BT_ERR("PIN code is not 16 bytes long");
+
+ err = send_pin_code_neg_reply(sk, index, hdev, &ncp);
+ if (err >= 0)
+ err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
+ EINVAL);
+
+ goto failed;
+ }
+
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len);
if (!cmd) {
err = -ENOMEM;
@@ -1147,14 +1202,14 @@ static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
bacpy(&reply.bdaddr, &cp->bdaddr);
reply.pin_len = cp->pin_len;
- memcpy(reply.pin_code, cp->pin_code, 16);
+ memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
if (err < 0)
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1165,7 +1220,6 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
{
struct hci_dev *hdev;
struct mgmt_cp_pin_code_neg_reply *cp;
- struct pending_cmd *cmd;
int err;
BT_DBG("");
@@ -1181,7 +1235,7 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
@@ -1189,20 +1243,10 @@ static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
goto failed;
}
- cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index,
- data, len);
- if (!cmd) {
- err = -ENOMEM;
- goto failed;
- }
-
- err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr),
- &cp->bdaddr);
- if (err < 0)
- mgmt_pending_remove(cmd);
+ err = send_pin_code_neg_reply(sk, index, hdev, cp);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1225,14 +1269,14 @@ static int set_io_capability(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
hdev->io_capability = cp->io_capability;
BT_DBG("%s IO capability set to 0x%02x", hdev->name,
hdev->io_capability);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0);
@@ -1318,7 +1362,7 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
if (!hdev)
return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (cp->io_cap == 0x03) {
sec_level = BT_SECURITY_MEDIUM;
@@ -1360,7 +1404,7 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
err = 0;
unlock:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1392,7 +1436,7 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, mgmt_op, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, mgmt_op, ENETDOWN);
@@ -1410,7 +1454,7 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1434,7 +1478,7 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME, ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, index, data, len);
if (!cmd) {
@@ -1449,7 +1493,7 @@ static int set_local_name(struct sock *sk, u16 index, unsigned char *data,
mgmt_pending_remove(cmd);
failed:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1468,7 +1512,7 @@ static int read_local_oob_data(struct sock *sk, u16 index)
return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
@@ -1498,7 +1542,7 @@ static int read_local_oob_data(struct sock *sk, u16 index)
mgmt_pending_remove(cmd);
unlock:
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1522,7 +1566,7 @@ static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
err = hci_add_remote_oob_data(hdev, &cp->bdaddr, cp->hash,
cp->randomizer);
@@ -1532,7 +1576,7 @@ static int add_remote_oob_data(struct sock *sk, u16 index, unsigned char *data,
err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, NULL,
0);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1556,7 +1600,7 @@ static int remove_remote_oob_data(struct sock *sk, u16 index,
return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
ENODEV);
- hci_dev_lock(hdev);
+ hci_dev_lock_bh(hdev);
err = hci_remove_remote_oob_data(hdev, &cp->bdaddr);
if (err < 0)
@@ -1566,7 +1610,7 @@ static int remove_remote_oob_data(struct sock *sk, u16 index,
err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
NULL, 0);
- hci_dev_unlock(hdev);
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1641,6 +1685,70 @@ failed:
return err;
}
+static int block_device(struct sock *sk, u16 index, unsigned char *data,
+ u16 len)
+{
+ struct hci_dev *hdev;
+ struct mgmt_cp_block_device *cp;
+ int err;
+
+ BT_DBG("hci%u", index);
+
+ cp = (void *) data;
+
+ if (len != sizeof(*cp))
+ return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
+ EINVAL);
+
+ hdev = hci_dev_get(index);
+ if (!hdev)
+ return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
+ ENODEV);
+
+ err = hci_blacklist_add(hdev, &cp->bdaddr);
+
+ if (err < 0)
+ err = cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE, -err);
+ else
+ err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE,
+ NULL, 0);
+ hci_dev_put(hdev);
+
+ return err;
+}
+
+static int unblock_device(struct sock *sk, u16 index, unsigned char *data,
+ u16 len)
+{
+ struct hci_dev *hdev;
+ struct mgmt_cp_unblock_device *cp;
+ int err;
+
+ BT_DBG("hci%u", index);
+
+ cp = (void *) data;
+
+ if (len != sizeof(*cp))
+ return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
+ EINVAL);
+
+ hdev = hci_dev_get(index);
+ if (!hdev)
+ return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
+ ENODEV);
+
+ err = hci_blacklist_del(hdev, &cp->bdaddr);
+
+ if (err < 0)
+ err = cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE, -err);
+ else
+ err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE,
+ NULL, 0);
+ hci_dev_put(hdev);
+
+ return err;
+}
+
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
{
unsigned char *buf;
@@ -1755,6 +1863,12 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
case MGMT_OP_STOP_DISCOVERY:
err = stop_discovery(sk, index);
break;
+ case MGMT_OP_BLOCK_DEVICE:
+ err = block_device(sk, index, buf + sizeof(*hdr), len);
+ break;
+ case MGMT_OP_UNBLOCK_DEVICE:
+ err = unblock_device(sk, index, buf + sizeof(*hdr), len);
+ break;
default:
BT_DBG("Unknown op %u", opcode);
err = cmd_status(sk, index, opcode, 0x01);
@@ -1863,17 +1977,28 @@ int mgmt_connectable(u16 index, u8 connectable)
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
{
- struct mgmt_ev_new_key ev;
+ struct mgmt_ev_new_key *ev;
+ int err, total;
- memset(&ev, 0, sizeof(ev));
+ total = sizeof(struct mgmt_ev_new_key) + key->dlen;
+ ev = kzalloc(total, GFP_ATOMIC);
+ if (!ev)
+ return -ENOMEM;
- ev.store_hint = persistent;
- bacpy(&ev.key.bdaddr, &key->bdaddr);
- ev.key.type = key->type;
- memcpy(ev.key.val, key->val, 16);
- ev.key.pin_len = key->pin_len;
+ bacpy(&ev->key.bdaddr, &key->bdaddr);
+ ev->key.type = key->type;
+ memcpy(ev->key.val, key->val, 16);
+ ev->key.pin_len = key->pin_len;
+ ev->key.dlen = key->dlen;
+ ev->store_hint = persistent;
- return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
+ memcpy(ev->key.data, key->data, key->dlen);
+
+ err = mgmt_event(MGMT_EV_NEW_KEY, index, ev, total, NULL);
+
+ kfree(ev);
+
+ return err;
}
int mgmt_connected(u16 index, bdaddr_t *bdaddr)
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 1b10727ce52..8f01e6b11a7 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -679,7 +679,8 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
{
struct sock *sk = sock->sk;
struct bt_security sec;
- int len, err = 0;
+ int err = 0;
+ size_t len;
u32 opt;
BT_DBG("sk %p", sk);
@@ -741,7 +742,6 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c
static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
- struct sock *l2cap_sk;
struct rfcomm_conninfo cinfo;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
int len, err = 0;
@@ -786,8 +786,6 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
break;
}
- l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk;
-
memset(&cinfo, 0, sizeof(cinfo));
cinfo.hci_handle = conn->hcon->handle;
memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index cb4fb7837e5..4c3621b5e0a 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -932,7 +932,7 @@ static int sco_connect_cfm(struct hci_conn *hcon, __u8 status)
if (conn)
sco_conn_ready(conn);
} else
- sco_conn_del(hcon, bt_err(status));
+ sco_conn_del(hcon, bt_to_errno(status));
return 0;
}
@@ -944,7 +944,7 @@ static int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK)
return -EINVAL;
- sco_conn_del(hcon, bt_err(reason));
+ sco_conn_del(hcon, bt_to_errno(reason));
return 0;
}
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
new file mode 100644
index 00000000000..391888b88a9
--- /dev/null
+++ b/net/bluetooth/smp.c
@@ -0,0 +1,702 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+ Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ SOFTWARE IS DISCLAIMED.
+*/
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/smp.h>
+#include <linux/crypto.h>
+#include <linux/scatterlist.h>
+#include <crypto/b128ops.h>
+
+#define SMP_TIMEOUT 30000 /* 30 seconds */
+
+static inline void swap128(u8 src[16], u8 dst[16])
+{
+ int i;
+ for (i = 0; i < 16; i++)
+ dst[15 - i] = src[i];
+}
+
+static inline void swap56(u8 src[7], u8 dst[7])
+{
+ int i;
+ for (i = 0; i < 7; i++)
+ dst[6 - i] = src[i];
+}
+
+static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r)
+{
+ struct blkcipher_desc desc;
+ struct scatterlist sg;
+ int err, iv_len;
+ unsigned char iv[128];
+
+ if (tfm == NULL) {
+ BT_ERR("tfm %p", tfm);
+ return -EINVAL;
+ }
+
+ desc.tfm = tfm;
+ desc.flags = 0;
+
+ err = crypto_blkcipher_setkey(tfm, k, 16);
+ if (err) {
+ BT_ERR("cipher setkey failed: %d", err);
+ return err;
+ }
+
+ sg_init_one(&sg, r, 16);
+
+ iv_len = crypto_blkcipher_ivsize(tfm);
+ if (iv_len) {
+ memset(&iv, 0xff, iv_len);
+ crypto_blkcipher_set_iv(tfm, iv, iv_len);
+ }
+
+ err = crypto_blkcipher_encrypt(&desc, &sg, &sg, 16);
+ if (err)
+ BT_ERR("Encrypt data error %d", err);
+
+ return err;
+}
+
+static int smp_c1(struct crypto_blkcipher *tfm, u8 k[16], u8 r[16],
+ u8 preq[7], u8 pres[7], u8 _iat, bdaddr_t *ia,
+ u8 _rat, bdaddr_t *ra, u8 res[16])
+{
+ u8 p1[16], p2[16];
+ int err;
+
+ memset(p1, 0, 16);
+
+ /* p1 = pres || preq || _rat || _iat */
+ swap56(pres, p1);
+ swap56(preq, p1 + 7);
+ p1[14] = _rat;
+ p1[15] = _iat;
+
+ memset(p2, 0, 16);
+
+ /* p2 = padding || ia || ra */
+ baswap((bdaddr_t *) (p2 + 4), ia);
+ baswap((bdaddr_t *) (p2 + 10), ra);
+
+ /* res = r XOR p1 */
+ u128_xor((u128 *) res, (u128 *) r, (u128 *) p1);
+
+ /* res = e(k, res) */
+ err = smp_e(tfm, k, res);
+ if (err) {
+ BT_ERR("Encrypt data error");
+ return err;
+ }
+
+ /* res = res XOR p2 */
+ u128_xor((u128 *) res, (u128 *) res, (u128 *) p2);
+
+ /* res = e(k, res) */
+ err = smp_e(tfm, k, res);
+ if (err)
+ BT_ERR("Encrypt data error");
+
+ return err;
+}
+
+static int smp_s1(struct crypto_blkcipher *tfm, u8 k[16],
+ u8 r1[16], u8 r2[16], u8 _r[16])
+{
+ int err;
+
+ /* Just least significant octets from r1 and r2 are considered */
+ memcpy(_r, r1 + 8, 8);
+ memcpy(_r + 8, r2 + 8, 8);
+
+ err = smp_e(tfm, k, _r);
+ if (err)
+ BT_ERR("Encrypt data error");
+
+ return err;
+}
+
+static int smp_rand(u8 *buf)
+{
+ get_random_bytes(buf, 16);
+
+ return 0;
+}
+
+static struct sk_buff *smp_build_cmd(struct l2cap_conn *conn, u8 code,
+ u16 dlen, void *data)
+{
+ struct sk_buff *skb;
+ struct l2cap_hdr *lh;
+ int len;
+
+ len = L2CAP_HDR_SIZE + sizeof(code) + dlen;
+
+ if (len > conn->mtu)
+ return NULL;
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb)
+ return NULL;
+
+ lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
+ lh->len = cpu_to_le16(sizeof(code) + dlen);
+ lh->cid = cpu_to_le16(L2CAP_CID_SMP);
+
+ memcpy(skb_put(skb, sizeof(code)), &code, sizeof(code));
+
+ memcpy(skb_put(skb, dlen), data, dlen);
+
+ return skb;
+}
+
+static void smp_send_cmd(struct l2cap_conn *conn, u8 code, u16 len, void *data)
+{
+ struct sk_buff *skb = smp_build_cmd(conn, code, len, data);
+
+ BT_DBG("code 0x%2.2x", code);
+
+ if (!skb)
+ return;
+
+ hci_send_acl(conn->hcon, skb, 0);
+}
+
+static __u8 seclevel_to_authreq(__u8 level)
+{
+ switch (level) {
+ case BT_SECURITY_HIGH:
+ /* Right now we don't support bonding */
+ return SMP_AUTH_MITM;
+
+ default:
+ return SMP_AUTH_NONE;
+ }
+}
+
+static void build_pairing_cmd(struct l2cap_conn *conn,
+ struct smp_cmd_pairing *req,
+ struct smp_cmd_pairing *rsp,
+ __u8 authreq)
+{
+ u8 dist_keys;
+
+ dist_keys = 0;
+ if (test_bit(HCI_PAIRABLE, &conn->hcon->hdev->flags)) {
+ dist_keys = SMP_DIST_ENC_KEY | SMP_DIST_ID_KEY | SMP_DIST_SIGN;
+ authreq |= SMP_AUTH_BONDING;
+ }
+
+ if (rsp == NULL) {
+ req->io_capability = conn->hcon->io_capability;
+ req->oob_flag = SMP_OOB_NOT_PRESENT;
+ req->max_key_size = SMP_MAX_ENC_KEY_SIZE;
+ req->init_key_dist = dist_keys;
+ req->resp_key_dist = dist_keys;
+ req->auth_req = authreq;
+ return;
+ }
+
+ rsp->io_capability = conn->hcon->io_capability;
+ rsp->oob_flag = SMP_OOB_NOT_PRESENT;
+ rsp->max_key_size = SMP_MAX_ENC_KEY_SIZE;
+ rsp->init_key_dist = req->init_key_dist & dist_keys;
+ rsp->resp_key_dist = req->resp_key_dist & dist_keys;
+ rsp->auth_req = authreq;
+}
+
+static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
+{
+ if ((max_key_size > SMP_MAX_ENC_KEY_SIZE) ||
+ (max_key_size < SMP_MIN_ENC_KEY_SIZE))
+ return SMP_ENC_KEY_SIZE;
+
+ conn->smp_key_size = max_key_size;
+
+ return 0;
+}
+
+static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct smp_cmd_pairing rsp, *req = (void *) skb->data;
+ u8 key_size;
+
+ BT_DBG("conn %p", conn);
+
+ conn->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&conn->preq[1], req, sizeof(*req));
+ skb_pull(skb, sizeof(*req));
+
+ if (req->oob_flag)
+ return SMP_OOB_NOT_AVAIL;
+
+ /* We didn't start the pairing, so no requirements */
+ build_pairing_cmd(conn, req, &rsp, SMP_AUTH_NONE);
+
+ key_size = min(req->max_key_size, rsp.max_key_size);
+ if (check_enc_key_size(conn, key_size))
+ return SMP_ENC_KEY_SIZE;
+
+ /* Just works */
+ memset(conn->tk, 0, sizeof(conn->tk));
+
+ conn->prsp[0] = SMP_CMD_PAIRING_RSP;
+ memcpy(&conn->prsp[1], &rsp, sizeof(rsp));
+
+ smp_send_cmd(conn, SMP_CMD_PAIRING_RSP, sizeof(rsp), &rsp);
+
+ mod_timer(&conn->security_timer, jiffies +
+ msecs_to_jiffies(SMP_TIMEOUT));
+
+ return 0;
+}
+
+static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct smp_cmd_pairing *req, *rsp = (void *) skb->data;
+ struct smp_cmd_pairing_confirm cp;
+ struct crypto_blkcipher *tfm = conn->hcon->hdev->tfm;
+ int ret;
+ u8 res[16], key_size;
+
+ BT_DBG("conn %p", conn);
+
+ skb_pull(skb, sizeof(*rsp));
+
+ req = (void *) &conn->preq[1];
+
+ key_size = min(req->max_key_size, rsp->max_key_size);
+ if (check_enc_key_size(conn, key_size))
+ return SMP_ENC_KEY_SIZE;
+
+ if (rsp->oob_flag)
+ return SMP_OOB_NOT_AVAIL;
+
+ /* Just works */
+ memset(conn->tk, 0, sizeof(conn->tk));
+
+ conn->prsp[0] = SMP_CMD_PAIRING_RSP;
+ memcpy(&conn->prsp[1], rsp, sizeof(*rsp));
+
+ ret = smp_rand(conn->prnd);
+ if (ret)
+ return SMP_UNSPECIFIED;
+
+ ret = smp_c1(tfm, conn->tk, conn->prnd, conn->preq, conn->prsp, 0,
+ conn->src, conn->hcon->dst_type, conn->dst, res);
+ if (ret)
+ return SMP_UNSPECIFIED;
+
+ swap128(res, cp.confirm_val);
+
+ smp_send_cmd(conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
+
+ return 0;
+}
+
+static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct crypto_blkcipher *tfm = conn->hcon->hdev->tfm;
+
+ BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
+
+ memcpy(conn->pcnf, skb->data, sizeof(conn->pcnf));
+ skb_pull(skb, sizeof(conn->pcnf));
+
+ if (conn->hcon->out) {
+ u8 random[16];
+
+ swap128(conn->prnd, random);
+ smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(random),
+ random);
+ } else {
+ struct smp_cmd_pairing_confirm cp;
+ int ret;
+ u8 res[16];
+
+ ret = smp_rand(conn->prnd);
+ if (ret)
+ return SMP_UNSPECIFIED;
+
+ ret = smp_c1(tfm, conn->tk, conn->prnd, conn->preq, conn->prsp,
+ conn->hcon->dst_type, conn->dst,
+ 0, conn->src, res);
+ if (ret)
+ return SMP_CONFIRM_FAILED;
+
+ swap128(res, cp.confirm_val);
+
+ smp_send_cmd(conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
+ }
+
+ mod_timer(&conn->security_timer, jiffies +
+ msecs_to_jiffies(SMP_TIMEOUT));
+
+ return 0;
+}
+
+static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct hci_conn *hcon = conn->hcon;
+ struct crypto_blkcipher *tfm = hcon->hdev->tfm;
+ int ret;
+ u8 key[16], res[16], random[16], confirm[16];
+
+ swap128(skb->data, random);
+ skb_pull(skb, sizeof(random));
+
+ if (conn->hcon->out)
+ ret = smp_c1(tfm, conn->tk, random, conn->preq, conn->prsp, 0,
+ conn->src, conn->hcon->dst_type, conn->dst,
+ res);
+ else
+ ret = smp_c1(tfm, conn->tk, random, conn->preq, conn->prsp,
+ conn->hcon->dst_type, conn->dst, 0, conn->src,
+ res);
+ if (ret)
+ return SMP_UNSPECIFIED;
+
+ BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
+
+ swap128(res, confirm);
+
+ if (memcmp(conn->pcnf, confirm, sizeof(conn->pcnf)) != 0) {
+ BT_ERR("Pairing failed (confirmation values mismatch)");
+ return SMP_CONFIRM_FAILED;
+ }
+
+ if (conn->hcon->out) {
+ u8 stk[16], rand[8];
+ __le16 ediv;
+
+ memset(rand, 0, sizeof(rand));
+ ediv = 0;
+
+ smp_s1(tfm, conn->tk, random, conn->prnd, key);
+ swap128(key, stk);
+
+ memset(stk + conn->smp_key_size, 0,
+ SMP_MAX_ENC_KEY_SIZE - conn->smp_key_size);
+
+ hci_le_start_enc(hcon, ediv, rand, stk);
+ hcon->enc_key_size = conn->smp_key_size;
+ } else {
+ u8 stk[16], r[16], rand[8];
+ __le16 ediv;
+
+ memset(rand, 0, sizeof(rand));
+ ediv = 0;
+
+ swap128(conn->prnd, r);
+ smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(r), r);
+
+ smp_s1(tfm, conn->tk, conn->prnd, random, key);
+ swap128(key, stk);
+
+ memset(stk + conn->smp_key_size, 0,
+ SMP_MAX_ENC_KEY_SIZE - conn->smp_key_size);
+
+ hci_add_ltk(conn->hcon->hdev, 0, conn->dst, conn->smp_key_size,
+ ediv, rand, stk);
+ }
+
+ return 0;
+}
+
+static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct smp_cmd_security_req *rp = (void *) skb->data;
+ struct smp_cmd_pairing cp;
+ struct hci_conn *hcon = conn->hcon;
+
+ BT_DBG("conn %p", conn);
+
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
+ return 0;
+
+ skb_pull(skb, sizeof(*rp));
+
+ memset(&cp, 0, sizeof(cp));
+ build_pairing_cmd(conn, &cp, NULL, rp->auth_req);
+
+ conn->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&conn->preq[1], &cp, sizeof(cp));
+
+ smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
+
+ mod_timer(&conn->security_timer, jiffies +
+ msecs_to_jiffies(SMP_TIMEOUT));
+
+ set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);
+
+ return 0;
+}
+
+int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
+{
+ struct hci_conn *hcon = conn->hcon;
+ __u8 authreq;
+
+ BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);
+
+ if (!lmp_host_le_capable(hcon->hdev))
+ return 1;
+
+ if (IS_ERR(hcon->hdev->tfm))
+ return 1;
+
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
+ return 0;
+
+ if (sec_level == BT_SECURITY_LOW)
+ return 1;
+
+ if (hcon->sec_level >= sec_level)
+ return 1;
+
+ authreq = seclevel_to_authreq(sec_level);
+
+ if (hcon->link_mode & HCI_LM_MASTER) {
+ struct smp_cmd_pairing cp;
+ struct link_key *key;
+
+ key = hci_find_link_key_type(hcon->hdev, conn->dst,
+ HCI_LK_SMP_LTK);
+ if (key) {
+ struct key_master_id *master = (void *) key->data;
+
+ hci_le_start_enc(hcon, master->ediv, master->rand,
+ key->val);
+ hcon->enc_key_size = key->pin_len;
+
+ goto done;
+ }
+
+ build_pairing_cmd(conn, &cp, NULL, authreq);
+ conn->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&conn->preq[1], &cp, sizeof(cp));
+
+ mod_timer(&conn->security_timer, jiffies +
+ msecs_to_jiffies(SMP_TIMEOUT));
+
+ smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
+ } else {
+ struct smp_cmd_security_req cp;
+ cp.auth_req = authreq;
+ smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
+ }
+
+done:
+ hcon->pending_sec_level = sec_level;
+ set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);
+
+ return 0;
+}
+
+static int smp_cmd_encrypt_info(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct smp_cmd_encrypt_info *rp = (void *) skb->data;
+
+ skb_pull(skb, sizeof(*rp));
+
+ memcpy(conn->tk, rp->ltk, sizeof(conn->tk));
+
+ return 0;
+}
+
+static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ struct smp_cmd_master_ident *rp = (void *) skb->data;
+
+ skb_pull(skb, sizeof(*rp));
+
+ hci_add_ltk(conn->hcon->hdev, 1, conn->src, conn->smp_key_size,
+ rp->ediv, rp->rand, conn->tk);
+
+ smp_distribute_keys(conn, 1);
+
+ return 0;
+}
+
+int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
+{
+ __u8 code = skb->data[0];
+ __u8 reason;
+ int err = 0;
+
+ if (!lmp_host_le_capable(conn->hcon->hdev)) {
+ err = -ENOTSUPP;
+ reason = SMP_PAIRING_NOTSUPP;
+ goto done;
+ }
+
+ if (IS_ERR(conn->hcon->hdev->tfm)) {
+ err = PTR_ERR(conn->hcon->hdev->tfm);
+ reason = SMP_PAIRING_NOTSUPP;
+ goto done;
+ }
+
+ skb_pull(skb, sizeof(code));
+
+ switch (code) {
+ case SMP_CMD_PAIRING_REQ:
+ reason = smp_cmd_pairing_req(conn, skb);
+ break;
+
+ case SMP_CMD_PAIRING_FAIL:
+ reason = 0;
+ err = -EPERM;
+ break;
+
+ case SMP_CMD_PAIRING_RSP:
+ reason = smp_cmd_pairing_rsp(conn, skb);
+ break;
+
+ case SMP_CMD_SECURITY_REQ:
+ reason = smp_cmd_security_req(conn, skb);
+ break;
+
+ case SMP_CMD_PAIRING_CONFIRM:
+ reason = smp_cmd_pairing_confirm(conn, skb);
+ break;
+
+ case SMP_CMD_PAIRING_RANDOM:
+ reason = smp_cmd_pairing_random(conn, skb);
+ break;
+
+ case SMP_CMD_ENCRYPT_INFO:
+ reason = smp_cmd_encrypt_info(conn, skb);
+ break;
+
+ case SMP_CMD_MASTER_IDENT:
+ reason = smp_cmd_master_ident(conn, skb);
+ break;
+
+ case SMP_CMD_IDENT_INFO:
+ case SMP_CMD_IDENT_ADDR_INFO:
+ case SMP_CMD_SIGN_INFO:
+ /* Just ignored */
+ reason = 0;
+ break;
+
+ default:
+ BT_DBG("Unknown command code 0x%2.2x", code);
+
+ reason = SMP_CMD_NOTSUPP;
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+
+done:
+ if (reason)
+ smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason),
+ &reason);
+
+ kfree_skb(skb);
+ return err;
+}
+
+int smp_distribute_keys(struct l2cap_conn *conn, __u8 force)
+{
+ struct smp_cmd_pairing *req, *rsp;
+ __u8 *keydist;
+
+ BT_DBG("conn %p force %d", conn, force);
+
+ if (IS_ERR(conn->hcon->hdev->tfm))
+ return PTR_ERR(conn->hcon->hdev->tfm);
+
+ rsp = (void *) &conn->prsp[1];
+
+ /* The responder sends its keys first */
+ if (!force && conn->hcon->out && (rsp->resp_key_dist & 0x07))
+ return 0;
+
+ req = (void *) &conn->preq[1];
+
+ if (conn->hcon->out) {
+ keydist = &rsp->init_key_dist;
+ *keydist &= req->init_key_dist;
+ } else {
+ keydist = &rsp->resp_key_dist;
+ *keydist &= req->resp_key_dist;
+ }
+
+
+ BT_DBG("keydist 0x%x", *keydist);
+
+ if (*keydist & SMP_DIST_ENC_KEY) {
+ struct smp_cmd_encrypt_info enc;
+ struct smp_cmd_master_ident ident;
+ __le16 ediv;
+
+ get_random_bytes(enc.ltk, sizeof(enc.ltk));
+ get_random_bytes(&ediv, sizeof(ediv));
+ get_random_bytes(ident.rand, sizeof(ident.rand));
+
+ smp_send_cmd(conn, SMP_CMD_ENCRYPT_INFO, sizeof(enc), &enc);
+
+ hci_add_ltk(conn->hcon->hdev, 1, conn->dst, conn->smp_key_size,
+ ediv, ident.rand, enc.ltk);
+
+ ident.ediv = cpu_to_le16(ediv);
+
+ smp_send_cmd(conn, SMP_CMD_MASTER_IDENT, sizeof(ident), &ident);
+
+ *keydist &= ~SMP_DIST_ENC_KEY;
+ }
+
+ if (*keydist & SMP_DIST_ID_KEY) {
+ struct smp_cmd_ident_addr_info addrinfo;
+ struct smp_cmd_ident_info idinfo;
+
+ /* Send a dummy key */
+ get_random_bytes(idinfo.irk, sizeof(idinfo.irk));
+
+ smp_send_cmd(conn, SMP_CMD_IDENT_INFO, sizeof(idinfo), &idinfo);
+
+ /* Just public address */
+ memset(&addrinfo, 0, sizeof(addrinfo));
+ bacpy(&addrinfo.bdaddr, conn->src);
+
+ smp_send_cmd(conn, SMP_CMD_IDENT_ADDR_INFO, sizeof(addrinfo),
+ &addrinfo);
+
+ *keydist &= ~SMP_DIST_ID_KEY;
+ }
+
+ if (*keydist & SMP_DIST_SIGN) {
+ struct smp_cmd_sign_info sign;
+
+ /* Send a dummy key */
+ get_random_bytes(sign.csrk, sizeof(sign.csrk));
+
+ smp_send_cmd(conn, SMP_CMD_SIGN_INFO, sizeof(sign), &sign);
+
+ *keydist &= ~SMP_DIST_SIGN;
+ }
+
+ return 0;
+}
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index c188c803c09..32b8f9f7f79 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
skb_pull(skb, ETH_HLEN);
rcu_read_lock();
- if (is_multicast_ether_addr(dest)) {
+ if (is_broadcast_ether_addr(dest))
+ br_flood_deliver(br, skb);
+ else if (is_multicast_ether_addr(dest)) {
if (unlikely(netpoll_tx_running(dev))) {
br_flood_deliver(br, skb);
goto out;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index f3ac1e858ee..f06ee39c73f 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -60,7 +60,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
br = p->br;
br_fdb_update(br, p, eth_hdr(skb)->h_source);
- if (is_multicast_ether_addr(dest) &&
+ if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
br_multicast_rcv(br, p, skb))
goto drop;
@@ -77,7 +77,9 @@ int br_handle_frame_finish(struct sk_buff *skb)
dst = NULL;
- if (is_multicast_ether_addr(dest)) {
+ if (is_broadcast_ether_addr(dest))
+ skb2 = skb;
+ else if (is_multicast_ether_addr(dest)) {
mdst = br_mdb_get(br, skb);
if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
if ((mdst && mdst->mglist) ||
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 29b9812c8da..2d85ca7111d 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1379,8 +1379,11 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl)))
return -EINVAL;
- if (iph->protocol != IPPROTO_IGMP)
+ if (iph->protocol != IPPROTO_IGMP) {
+ if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP)
+ BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
return 0;
+ }
len = ntohs(iph->tot_len);
if (skb->len < len || len < ip_hdrlen(skb))
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 56149ec36d7..d6ec3720c77 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -109,11 +109,17 @@ static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old)
return NULL;
}
+static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ return NULL;
+}
+
static struct dst_ops fake_dst_ops = {
.family = AF_INET,
.protocol = cpu_to_be16(ETH_P_IP),
.update_pmtu = fake_update_pmtu,
.cow_metrics = fake_cow_metrics,
+ .neigh_lookup = fake_neigh_lookup,
};
/*
@@ -343,24 +349,26 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
{
struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+ struct neighbour *neigh;
struct dst_entry *dst;
skb->dev = bridge_parent(skb->dev);
if (!skb->dev)
goto free_skb;
dst = skb_dst(skb);
- if (dst->hh) {
- neigh_hh_bridge(dst->hh, skb);
+ neigh = dst_get_neighbour(dst);
+ if (neigh->hh.hh_len) {
+ neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
return br_handle_frame_finish(skb);
- } else if (dst->neighbour) {
+ } else {
/* the neighbour function below overwrites the complete
* MAC header, so we save the Ethernet source address and
* protocol number. */
skb_copy_from_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN), skb->nf_bridge->data, ETH_HLEN-ETH_ALEN);
/* tell br_dev_xmit to continue with forwarding */
nf_bridge->mask |= BRNF_BRIDGED_DNAT;
- return dst->neighbour->output(skb);
+ return neigh->output(neigh, skb);
}
free_skb:
kfree_skb(skb);
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index ffb0dc4cc0e..6814083a92f 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -218,19 +218,24 @@ int __init br_netlink_init(void)
if (err < 0)
goto err1;
- err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo);
+ err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL,
+ br_dump_ifinfo, NULL);
if (err)
goto err2;
- err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_SETLINK,
+ br_rtm_setlink, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, br_fdb_add, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH,
+ br_fdb_add, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, br_fdb_delete, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH,
+ br_fdb_delete, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, NULL, br_fdb_dump);
+ err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH,
+ NULL, br_fdb_dump, NULL);
if (err)
goto err3;
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 682c0fedf36..7c2fa0a0814 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -11,7 +11,6 @@
#define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
-#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/net.h>
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index adbb424403d..865690948bb 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -7,8 +7,8 @@
#define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
-#include <linux/version.h>
#include <linux/fs.h>
+#include <linux/hardirq.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/netdevice.h>
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 094fc5332d4..8ce926d3b2c 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -58,6 +58,7 @@
#include <linux/skbuff.h>
#include <linux/can.h>
#include <linux/can/core.h>
+#include <linux/ratelimit.h>
#include <net/net_namespace.h>
#include <net/sock.h>
@@ -161,8 +162,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
* return the error code immediately. Below we will
* return -EPROTONOSUPPORT
*/
- if (err && printk_ratelimit())
- printk(KERN_ERR "can: request_module "
+ if (err)
+ printk_ratelimited(KERN_ERR "can: request_module "
"(can-proto-%d) failed.\n", protocol);
cp = can_get_proto(protocol);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 184a6572b67..d6c8ae5b2e6 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -43,6 +43,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/hrtimer.h>
#include <linux/list.h>
#include <linux/proc_fs.h>
diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c
index a3a3a31d3c3..41466ccb972 100644
--- a/net/ceph/ceph_fs.c
+++ b/net/ceph/ceph_fs.c
@@ -36,16 +36,19 @@ int ceph_flags_to_mode(int flags)
if ((flags & O_DIRECTORY) == O_DIRECTORY)
return CEPH_FILE_MODE_PIN;
#endif
- if ((flags & O_APPEND) == O_APPEND)
- flags |= O_WRONLY;
- if ((flags & O_ACCMODE) == O_RDWR)
- mode = CEPH_FILE_MODE_RDWR;
- else if ((flags & O_ACCMODE) == O_WRONLY)
+ switch (flags & O_ACCMODE) {
+ case O_WRONLY:
mode = CEPH_FILE_MODE_WR;
- else
+ break;
+ case O_RDONLY:
mode = CEPH_FILE_MODE_RD;
-
+ break;
+ case O_RDWR:
+ case O_ACCMODE: /* this is what the VFS does */
+ mode = CEPH_FILE_MODE_RDWR;
+ break;
+ }
#ifdef O_LAZY
if (flags & O_LAZY)
mode |= CEPH_FILE_MODE_LAZY;
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 5a8009c9e0c..85f3bc0a706 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -444,7 +444,7 @@ int ceph_key_instantiate(struct key *key, const void *data, size_t datalen)
goto err;
/* TODO ceph_crypto_key_decode should really take const input */
- p = (void*)data;
+ p = (void *)data;
ret = ceph_crypto_key_decode(ckey, &p, (char*)data+datalen);
if (ret < 0)
goto err_ckey;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 9cb627a4073..7330c2757c0 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -477,8 +477,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
calc_layout(osdc, vino, layout, off, plen, req, ops);
req->r_file_layout = *layout; /* keep a copy */
- /* in case it differs from natural alignment that calc_layout
- filled in for us */
+ /* in case it differs from natural (file) alignment that
+ calc_layout filled in for us */
+ req->r_num_pages = calc_pages_for(page_align, *plen);
req->r_page_alignment = page_align;
ceph_osdc_build_request(req, off, plen, ops,
@@ -2027,8 +2028,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
int want = calc_pages_for(req->r_page_alignment, data_len);
if (unlikely(req->r_num_pages < want)) {
- pr_warning("tid %lld reply %d > expected %d pages\n",
- tid, want, m->nr_pages);
+ pr_warning("tid %lld reply has %d bytes %d pages, we"
+ " had only %d pages ready\n", tid, data_len,
+ want, req->r_num_pages);
*skip = 1;
ceph_msg_put(m);
m = NULL;
diff --git a/net/core/dev.c b/net/core/dev.c
index 9c58c1ec41a..9444c5cb413 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -199,6 +199,11 @@ static struct list_head ptype_all __read_mostly; /* Taps */
DEFINE_RWLOCK(dev_base_lock);
EXPORT_SYMBOL(dev_base_lock);
+static inline void dev_base_seq_inc(struct net *net)
+{
+ while (++net->dev_base_seq == 0);
+}
+
static inline struct hlist_head *dev_name_hash(struct net *net, const char *name)
{
unsigned hash = full_name_hash(name, strnlen(name, IFNAMSIZ));
@@ -237,6 +242,9 @@ static int list_netdevice(struct net_device *dev)
hlist_add_head_rcu(&dev->index_hlist,
dev_index_hash(net, dev->ifindex));
write_unlock_bh(&dev_base_lock);
+
+ dev_base_seq_inc(net);
+
return 0;
}
@@ -253,6 +261,8 @@ static void unlist_netdevice(struct net_device *dev)
hlist_del_rcu(&dev->name_hlist);
hlist_del_rcu(&dev->index_hlist);
write_unlock_bh(&dev_base_lock);
+
+ dev_base_seq_inc(dev_net(dev));
}
/*
@@ -2532,7 +2542,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb)
goto done;
ip = (const struct iphdr *) (skb->data + nhoff);
- if (ip->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(ip))
ip_proto = 0;
else
ip_proto = ip->protocol;
@@ -5199,7 +5209,7 @@ static void rollback_registered(struct net_device *dev)
list_del(&single);
}
-u32 netdev_fix_features(struct net_device *dev, u32 features)
+static u32 netdev_fix_features(struct net_device *dev, u32 features)
{
/* Fix illegal checksum combinations */
if ((features & NETIF_F_HW_CSUM) &&
@@ -5258,7 +5268,6 @@ u32 netdev_fix_features(struct net_device *dev, u32 features)
return features;
}
-EXPORT_SYMBOL(netdev_fix_features);
int __netdev_update_features(struct net_device *dev)
{
@@ -5478,11 +5487,9 @@ int register_netdevice(struct net_device *dev)
dev->features |= NETIF_F_NOCACHE_COPY;
}
- /* Enable GRO and NETIF_F_HIGHDMA for vlans by default,
- * vlan_dev_init() will do the dev->features check, so these features
- * are enabled only if supported by underlying device.
+ /* Make NETIF_F_HIGHDMA inheritable to VLAN devices.
*/
- dev->vlan_features |= (NETIF_F_GRO | NETIF_F_HIGHDMA);
+ dev->vlan_features |= NETIF_F_HIGHDMA;
ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
ret = notifier_to_errno(ret);
@@ -5867,8 +5874,6 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
dev->gso_max_size = GSO_MAX_SIZE;
- INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
- dev->ethtool_ntuple_list.count = 0;
INIT_LIST_HEAD(&dev->napi_list);
INIT_LIST_HEAD(&dev->unreg_list);
INIT_LIST_HEAD(&dev->link_watch_list);
@@ -5932,9 +5937,6 @@ void free_netdev(struct net_device *dev)
/* Flush device addresses */
dev_addr_flush(dev);
- /* Clear ethtool n-tuple list */
- ethtool_ntuple_flush(dev);
-
list_for_each_entry_safe(p, n, &dev->napi_list, dev_list)
netif_napi_del(p);
diff --git a/net/core/dst.c b/net/core/dst.c
index 9ccca038444..14b33baf073 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -171,8 +171,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst_init_metrics(dst, dst_default_metrics, true);
dst->expires = 0UL;
dst->path = dst;
- dst->neighbour = NULL;
- dst->hh = NULL;
+ dst->_neighbour = NULL;
#ifdef CONFIG_XFRM
dst->xfrm = NULL;
#endif
@@ -190,7 +189,8 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst->lastuse = jiffies;
dst->flags = flags;
dst->next = NULL;
- dst_entries_add(ops, 1);
+ if (!(flags & DST_NOCOUNT))
+ dst_entries_add(ops, 1);
return dst;
}
EXPORT_SYMBOL(dst_alloc);
@@ -225,25 +225,20 @@ struct dst_entry *dst_destroy(struct dst_entry * dst)
{
struct dst_entry *child;
struct neighbour *neigh;
- struct hh_cache *hh;
smp_rmb();
again:
- neigh = dst->neighbour;
- hh = dst->hh;
+ neigh = dst->_neighbour;
child = dst->child;
- dst->hh = NULL;
- if (hh)
- hh_cache_put(hh);
-
if (neigh) {
- dst->neighbour = NULL;
+ dst->_neighbour = NULL;
neigh_release(neigh);
}
- dst_entries_add(dst->ops, -1);
+ if (!(dst->flags & DST_NOCOUNT))
+ dst_entries_add(dst->ops, -1);
if (dst->ops->destroy)
dst->ops->destroy(dst);
@@ -368,8 +363,8 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
dst->dev = dev_net(dst->dev)->loopback_dev;
dev_hold(dst->dev);
dev_put(dev);
- if (dst->neighbour && dst->neighbour->dev == dev) {
- dst->neighbour->dev = dst->dev;
+ if (dst->_neighbour && dst->_neighbour->dev == dev) {
+ dst->_neighbour->dev = dst->dev;
dev_hold(dst->dev);
dev_put(dev);
}
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index fd14116ad7f..6cdba5fc2be 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -169,18 +169,6 @@ int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
}
EXPORT_SYMBOL(ethtool_op_set_flags);
-void ethtool_ntuple_flush(struct net_device *dev)
-{
- struct ethtool_rx_ntuple_flow_spec_container *fsc, *f;
-
- list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) {
- list_del(&fsc->list);
- kfree(fsc);
- }
- dev->ethtool_ntuple_list.count = 0;
-}
-EXPORT_SYMBOL(ethtool_ntuple_flush);
-
/* Handlers for each ethtool command */
#define ETHTOOL_DEV_FEATURE_WORDS 1
@@ -865,34 +853,6 @@ out:
return ret;
}
-static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
- struct ethtool_rx_ntuple_flow_spec *spec,
- struct ethtool_rx_ntuple_flow_spec_container *fsc)
-{
-
- /* don't add filters forever */
- if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) {
- /* free the container */
- kfree(fsc);
- return;
- }
-
- /* Copy the whole filter over */
- fsc->fs.flow_type = spec->flow_type;
- memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u));
- memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u));
-
- fsc->fs.vlan_tag = spec->vlan_tag;
- fsc->fs.vlan_tag_mask = spec->vlan_tag_mask;
- fsc->fs.data = spec->data;
- fsc->fs.data_mask = spec->data_mask;
- fsc->fs.action = spec->action;
-
- /* add to the list */
- list_add_tail_rcu(&fsc->list, &list->list);
- list->count++;
-}
-
/*
* ethtool does not (or did not) set masks for flow parameters that are
* not specified, so if both value and mask are 0 then this must be
@@ -930,8 +890,6 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
{
struct ethtool_rx_ntuple cmd;
const struct ethtool_ops *ops = dev->ethtool_ops;
- struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL;
- int ret;
if (!ops->set_rx_ntuple)
return -EOPNOTSUPP;
@@ -944,269 +902,7 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
rx_ntuple_fix_masks(&cmd.fs);
- /*
- * Cache filter in dev struct for GET operation only if
- * the underlying driver doesn't have its own GET operation, and
- * only if the filter was added successfully. First make sure we
- * can allocate the filter, then continue if successful.
- */
- if (!ops->get_rx_ntuple) {
- fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC);
- if (!fsc)
- return -ENOMEM;
- }
-
- ret = ops->set_rx_ntuple(dev, &cmd);
- if (ret) {
- kfree(fsc);
- return ret;
- }
-
- if (!ops->get_rx_ntuple)
- __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc);
-
- return ret;
-}
-
-static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr)
-{
- struct ethtool_gstrings gstrings;
- const struct ethtool_ops *ops = dev->ethtool_ops;
- struct ethtool_rx_ntuple_flow_spec_container *fsc;
- u8 *data;
- char *p;
- int ret, i, num_strings = 0;
-
- if (!ops->get_sset_count)
- return -EOPNOTSUPP;
-
- if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
- return -EFAULT;
-
- ret = ops->get_sset_count(dev, gstrings.string_set);
- if (ret < 0)
- return ret;
-
- gstrings.len = ret;
-
- data = kzalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
- if (!data)
- return -ENOMEM;
-
- if (ops->get_rx_ntuple) {
- /* driver-specific filter grab */
- ret = ops->get_rx_ntuple(dev, gstrings.string_set, data);
- goto copy;
- }
-
- /* default ethtool filter grab */
- i = 0;
- p = (char *)data;
- list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) {
- sprintf(p, "Filter %d:\n", i);
- p += ETH_GSTRING_LEN;
- num_strings++;
-
- switch (fsc->fs.flow_type) {
- case TCP_V4_FLOW:
- sprintf(p, "\tFlow Type: TCP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case UDP_V4_FLOW:
- sprintf(p, "\tFlow Type: UDP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case SCTP_V4_FLOW:
- sprintf(p, "\tFlow Type: SCTP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case AH_ESP_V4_FLOW:
- sprintf(p, "\tFlow Type: AH ESP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case ESP_V4_FLOW:
- sprintf(p, "\tFlow Type: ESP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case IP_USER_FLOW:
- sprintf(p, "\tFlow Type: Raw IP\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case IPV4_FLOW:
- sprintf(p, "\tFlow Type: IPv4\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- default:
- sprintf(p, "\tFlow Type: Unknown\n");
- p += ETH_GSTRING_LEN;
- num_strings++;
- goto unknown_filter;
- }
-
- /* now the rest of the filters */
- switch (fsc->fs.flow_type) {
- case TCP_V4_FLOW:
- case UDP_V4_FLOW:
- case SCTP_V4_FLOW:
- sprintf(p, "\tSrc IP addr: 0x%x\n",
- fsc->fs.h_u.tcp_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSrc IP mask: 0x%x\n",
- fsc->fs.m_u.tcp_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP addr: 0x%x\n",
- fsc->fs.h_u.tcp_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP mask: 0x%x\n",
- fsc->fs.m_u.tcp_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSrc Port: %d, mask: 0x%x\n",
- fsc->fs.h_u.tcp_ip4_spec.psrc,
- fsc->fs.m_u.tcp_ip4_spec.psrc);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest Port: %d, mask: 0x%x\n",
- fsc->fs.h_u.tcp_ip4_spec.pdst,
- fsc->fs.m_u.tcp_ip4_spec.pdst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tTOS: %d, mask: 0x%x\n",
- fsc->fs.h_u.tcp_ip4_spec.tos,
- fsc->fs.m_u.tcp_ip4_spec.tos);
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case AH_ESP_V4_FLOW:
- case ESP_V4_FLOW:
- sprintf(p, "\tSrc IP addr: 0x%x\n",
- fsc->fs.h_u.ah_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSrc IP mask: 0x%x\n",
- fsc->fs.m_u.ah_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP addr: 0x%x\n",
- fsc->fs.h_u.ah_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP mask: 0x%x\n",
- fsc->fs.m_u.ah_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSPI: %d, mask: 0x%x\n",
- fsc->fs.h_u.ah_ip4_spec.spi,
- fsc->fs.m_u.ah_ip4_spec.spi);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tTOS: %d, mask: 0x%x\n",
- fsc->fs.h_u.ah_ip4_spec.tos,
- fsc->fs.m_u.ah_ip4_spec.tos);
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case IP_USER_FLOW:
- sprintf(p, "\tSrc IP addr: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSrc IP mask: 0x%x\n",
- fsc->fs.m_u.usr_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP addr: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP mask: 0x%x\n",
- fsc->fs.m_u.usr_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- case IPV4_FLOW:
- sprintf(p, "\tSrc IP addr: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tSrc IP mask: 0x%x\n",
- fsc->fs.m_u.usr_ip4_spec.ip4src);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP addr: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tDest IP mask: 0x%x\n",
- fsc->fs.m_u.usr_ip4_spec.ip4dst);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.l4_4_bytes,
- fsc->fs.m_u.usr_ip4_spec.l4_4_bytes);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tTOS: %d, mask: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.tos,
- fsc->fs.m_u.usr_ip4_spec.tos);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tIP Version: %d, mask: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.ip_ver,
- fsc->fs.m_u.usr_ip4_spec.ip_ver);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tProtocol: %d, mask: 0x%x\n",
- fsc->fs.h_u.usr_ip4_spec.proto,
- fsc->fs.m_u.usr_ip4_spec.proto);
- p += ETH_GSTRING_LEN;
- num_strings++;
- break;
- }
- sprintf(p, "\tVLAN: %d, mask: 0x%x\n",
- fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data);
- p += ETH_GSTRING_LEN;
- num_strings++;
- sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask);
- p += ETH_GSTRING_LEN;
- num_strings++;
- if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
- sprintf(p, "\tAction: Drop\n");
- else
- sprintf(p, "\tAction: Direct to queue %d\n",
- fsc->fs.action);
- p += ETH_GSTRING_LEN;
- num_strings++;
-unknown_filter:
- i++;
- }
-copy:
- /* indicate to userspace how many strings we actually have */
- gstrings.len = num_strings;
- ret = -EFAULT;
- if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
- goto out;
- useraddr += sizeof(gstrings);
- if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
- goto out;
- ret = 0;
-
-out:
- kfree(data);
- return ret;
+ return ops->set_rx_ntuple(dev, &cmd);
}
static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
@@ -1227,7 +923,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
regs.len = reglen;
regbuf = vzalloc(reglen);
- if (!regbuf)
+ if (reglen && !regbuf)
return -ENOMEM;
ops->get_regs(dev, &regs, regbuf);
@@ -1236,7 +932,7 @@ static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
if (copy_to_user(useraddr, &regs, sizeof(regs)))
goto out;
useraddr += offsetof(struct ethtool_regs, data);
- if (copy_to_user(useraddr, regbuf, regs.len))
+ if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
goto out;
ret = 0;
@@ -2101,9 +1797,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_SRXNTUPLE:
rc = ethtool_set_rx_ntuple(dev, useraddr);
break;
- case ETHTOOL_GRXNTUPLE:
- rc = ethtool_get_rx_ntuple(dev, useraddr);
- break;
case ETHTOOL_GSSET_INFO:
rc = ethtool_get_sset_info(dev, useraddr);
break;
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 008dc70b064..e7ab0c0285b 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -740,9 +740,9 @@ static struct pernet_operations fib_rules_net_ops = {
static int __init fib_rules_init(void)
{
int err;
- rtnl_register(PF_UNSPEC, RTM_NEWRULE, fib_nl_newrule, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELRULE, fib_nl_delrule, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETRULE, NULL, fib_nl_dumprule);
+ rtnl_register(PF_UNSPEC, RTM_NEWRULE, fib_nl_newrule, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELRULE, fib_nl_delrule, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETRULE, NULL, fib_nl_dumprule, NULL);
err = register_pernet_subsys(&fib_rules_net_ops);
if (err < 0)
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 799f06e03a2..8fab9b0bb20 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -98,7 +98,7 @@ static const struct file_operations neigh_stat_seq_fops;
static DEFINE_RWLOCK(neigh_tbl_lock);
-static int neigh_blackhole(struct sk_buff *skb)
+static int neigh_blackhole(struct neighbour *neigh, struct sk_buff *skb)
{
kfree_skb(skb);
return -ENETDOWN;
@@ -137,7 +137,7 @@ static int neigh_forced_gc(struct neigh_table *tbl)
write_lock_bh(&tbl->lock);
nht = rcu_dereference_protected(tbl->nht,
lockdep_is_held(&tbl->lock));
- for (i = 0; i <= nht->hash_mask; i++) {
+ for (i = 0; i < (1 << nht->hash_shift); i++) {
struct neighbour *n;
struct neighbour __rcu **np;
@@ -210,7 +210,7 @@ static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev)
nht = rcu_dereference_protected(tbl->nht,
lockdep_is_held(&tbl->lock));
- for (i = 0; i <= nht->hash_mask; i++) {
+ for (i = 0; i < (1 << nht->hash_shift); i++) {
struct neighbour *n;
struct neighbour __rcu **np = &nht->hash_buckets[i];
@@ -297,6 +297,7 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
n->updated = n->used = now;
n->nud_state = NUD_NONE;
n->output = neigh_blackhole;
+ seqlock_init(&n->hh.hh_lock);
n->parms = neigh_parms_clone(&tbl->parms);
setup_timer(&n->timer, neigh_timer_handler, (unsigned long)n);
@@ -312,9 +313,9 @@ out_entries:
goto out;
}
-static struct neigh_hash_table *neigh_hash_alloc(unsigned int entries)
+static struct neigh_hash_table *neigh_hash_alloc(unsigned int shift)
{
- size_t size = entries * sizeof(struct neighbour *);
+ size_t size = (1 << shift) * sizeof(struct neighbour *);
struct neigh_hash_table *ret;
struct neighbour __rcu **buckets;
@@ -332,8 +333,9 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int entries)
return NULL;
}
ret->hash_buckets = buckets;
- ret->hash_mask = entries - 1;
+ ret->hash_shift = shift;
get_random_bytes(&ret->hash_rnd, sizeof(ret->hash_rnd));
+ ret->hash_rnd |= 1;
return ret;
}
@@ -342,7 +344,7 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
struct neigh_hash_table *nht = container_of(head,
struct neigh_hash_table,
rcu);
- size_t size = (nht->hash_mask + 1) * sizeof(struct neighbour *);
+ size_t size = (1 << nht->hash_shift) * sizeof(struct neighbour *);
struct neighbour __rcu **buckets = nht->hash_buckets;
if (size <= PAGE_SIZE)
@@ -353,21 +355,20 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
}
static struct neigh_hash_table *neigh_hash_grow(struct neigh_table *tbl,
- unsigned long new_entries)
+ unsigned long new_shift)
{
unsigned int i, hash;
struct neigh_hash_table *new_nht, *old_nht;
NEIGH_CACHE_STAT_INC(tbl, hash_grows);
- BUG_ON(!is_power_of_2(new_entries));
old_nht = rcu_dereference_protected(tbl->nht,
lockdep_is_held(&tbl->lock));
- new_nht = neigh_hash_alloc(new_entries);
+ new_nht = neigh_hash_alloc(new_shift);
if (!new_nht)
return old_nht;
- for (i = 0; i <= old_nht->hash_mask; i++) {
+ for (i = 0; i < (1 << old_nht->hash_shift); i++) {
struct neighbour *n, *next;
for (n = rcu_dereference_protected(old_nht->hash_buckets[i],
@@ -377,7 +378,7 @@ static struct neigh_hash_table *neigh_hash_grow(struct neigh_table *tbl,
hash = tbl->hash(n->primary_key, n->dev,
new_nht->hash_rnd);
- hash &= new_nht->hash_mask;
+ hash >>= (32 - new_nht->hash_shift);
next = rcu_dereference_protected(n->next,
lockdep_is_held(&tbl->lock));
@@ -406,7 +407,7 @@ struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey,
rcu_read_lock_bh();
nht = rcu_dereference_bh(tbl->nht);
- hash_val = tbl->hash(pkey, dev, nht->hash_rnd) & nht->hash_mask;
+ hash_val = tbl->hash(pkey, dev, nht->hash_rnd) >> (32 - nht->hash_shift);
for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
n != NULL;
@@ -436,7 +437,7 @@ struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
rcu_read_lock_bh();
nht = rcu_dereference_bh(tbl->nht);
- hash_val = tbl->hash(pkey, NULL, nht->hash_rnd) & nht->hash_mask;
+ hash_val = tbl->hash(pkey, NULL, nht->hash_rnd) >> (32 - nht->hash_shift);
for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
n != NULL;
@@ -492,10 +493,10 @@ struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey,
nht = rcu_dereference_protected(tbl->nht,
lockdep_is_held(&tbl->lock));
- if (atomic_read(&tbl->entries) > (nht->hash_mask + 1))
- nht = neigh_hash_grow(tbl, (nht->hash_mask + 1) << 1);
+ if (atomic_read(&tbl->entries) > (1 << nht->hash_shift))
+ nht = neigh_hash_grow(tbl, nht->hash_shift + 1);
- hash_val = tbl->hash(pkey, dev, nht->hash_rnd) & nht->hash_mask;
+ hash_val = tbl->hash(pkey, dev, nht->hash_rnd) >> (32 - nht->hash_shift);
if (n->parms->dead) {
rc = ERR_PTR(-EINVAL);
@@ -688,8 +689,6 @@ static void neigh_destroy_rcu(struct rcu_head *head)
*/
void neigh_destroy(struct neighbour *neigh)
{
- struct hh_cache *hh;
-
NEIGH_CACHE_STAT_INC(neigh->tbl, destroys);
if (!neigh->dead) {
@@ -702,16 +701,6 @@ void neigh_destroy(struct neighbour *neigh)
if (neigh_del_timer(neigh))
printk(KERN_WARNING "Impossible event.\n");
- while ((hh = neigh->hh) != NULL) {
- neigh->hh = hh->hh_next;
- hh->hh_next = NULL;
-
- write_seqlock_bh(&hh->hh_lock);
- hh->hh_output = neigh_blackhole;
- write_sequnlock_bh(&hh->hh_lock);
- hh_cache_put(hh);
- }
-
skb_queue_purge(&neigh->arp_queue);
dev_put(neigh->dev);
@@ -731,14 +720,9 @@ EXPORT_SYMBOL(neigh_destroy);
*/
static void neigh_suspect(struct neighbour *neigh)
{
- struct hh_cache *hh;
-
NEIGH_PRINTK2("neigh %p is suspected.\n", neigh);
neigh->output = neigh->ops->output;
-
- for (hh = neigh->hh; hh; hh = hh->hh_next)
- hh->hh_output = neigh->ops->output;
}
/* Neighbour state is OK;
@@ -748,14 +732,9 @@ static void neigh_suspect(struct neighbour *neigh)
*/
static void neigh_connect(struct neighbour *neigh)
{
- struct hh_cache *hh;
-
NEIGH_PRINTK2("neigh %p is connected.\n", neigh);
neigh->output = neigh->ops->connected_output;
-
- for (hh = neigh->hh; hh; hh = hh->hh_next)
- hh->hh_output = neigh->ops->hh_output;
}
static void neigh_periodic_work(struct work_struct *work)
@@ -784,7 +763,7 @@ static void neigh_periodic_work(struct work_struct *work)
neigh_rand_reach_time(p->base_reachable_time);
}
- for (i = 0 ; i <= nht->hash_mask; i++) {
+ for (i = 0 ; i < (1 << nht->hash_shift); i++) {
np = &nht->hash_buckets[i];
while ((n = rcu_dereference_protected(*np,
@@ -1015,7 +994,7 @@ out_unlock_bh:
}
EXPORT_SYMBOL(__neigh_event_send);
-static void neigh_update_hhs(const struct neighbour *neigh)
+static void neigh_update_hhs(struct neighbour *neigh)
{
struct hh_cache *hh;
void (*update)(struct hh_cache*, const struct net_device*, const unsigned char *)
@@ -1025,7 +1004,8 @@ static void neigh_update_hhs(const struct neighbour *neigh)
update = neigh->dev->header_ops->cache_update;
if (update) {
- for (hh = neigh->hh; hh; hh = hh->hh_next) {
+ hh = &neigh->hh;
+ if (hh->hh_len) {
write_seqlock_bh(&hh->hh_lock);
update(hh, neigh->dev, neigh->ha);
write_sequnlock_bh(&hh->hh_lock);
@@ -1173,12 +1153,13 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
while (neigh->nud_state & NUD_VALID &&
(skb = __skb_dequeue(&neigh->arp_queue)) != NULL) {
- struct neighbour *n1 = neigh;
+ struct dst_entry *dst = skb_dst(skb);
+ struct neighbour *n2, *n1 = neigh;
write_unlock_bh(&neigh->lock);
/* On shaper/eql skb->dst->neighbour != neigh :( */
- if (skb_dst(skb) && skb_dst(skb)->neighbour)
- n1 = skb_dst(skb)->neighbour;
- n1->output(skb);
+ if (dst && (n2 = dst_get_neighbour(dst)) != NULL)
+ n1 = n2;
+ n1->output(n1, skb);
write_lock_bh(&neigh->lock);
}
skb_queue_purge(&neigh->arp_queue);
@@ -1211,67 +1192,21 @@ struct neighbour *neigh_event_ns(struct neigh_table *tbl,
}
EXPORT_SYMBOL(neigh_event_ns);
-static inline bool neigh_hh_lookup(struct neighbour *n, struct dst_entry *dst,
- __be16 protocol)
-{
- struct hh_cache *hh;
-
- smp_rmb(); /* paired with smp_wmb() in neigh_hh_init() */
- for (hh = n->hh; hh; hh = hh->hh_next) {
- if (hh->hh_type == protocol) {
- atomic_inc(&hh->hh_refcnt);
- if (unlikely(cmpxchg(&dst->hh, NULL, hh) != NULL))
- hh_cache_put(hh);
- return true;
- }
- }
- return false;
-}
-
/* called with read_lock_bh(&n->lock); */
-static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst,
- __be16 protocol)
+static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst)
{
- struct hh_cache *hh;
struct net_device *dev = dst->dev;
-
- if (likely(neigh_hh_lookup(n, dst, protocol)))
- return;
-
- /* slow path */
- hh = kzalloc(sizeof(*hh), GFP_ATOMIC);
- if (!hh)
- return;
-
- seqlock_init(&hh->hh_lock);
- hh->hh_type = protocol;
- atomic_set(&hh->hh_refcnt, 2);
-
- if (dev->header_ops->cache(n, hh)) {
- kfree(hh);
- return;
- }
+ __be16 prot = dst->ops->protocol;
+ struct hh_cache *hh = &n->hh;
write_lock_bh(&n->lock);
- /* must check if another thread already did the insert */
- if (neigh_hh_lookup(n, dst, protocol)) {
- kfree(hh);
- goto end;
- }
-
- if (n->nud_state & NUD_CONNECTED)
- hh->hh_output = n->ops->hh_output;
- else
- hh->hh_output = n->ops->output;
-
- hh->hh_next = n->hh;
- smp_wmb(); /* paired with smp_rmb() in neigh_hh_lookup() */
- n->hh = hh;
+ /* Only one thread can come in here and initialize the
+ * hh_cache entry.
+ */
+ if (!hh->hh_len)
+ dev->header_ops->cache(n, hh, prot);
- if (unlikely(cmpxchg(&dst->hh, NULL, hh) != NULL))
- hh_cache_put(hh);
-end:
write_unlock_bh(&n->lock);
}
@@ -1280,7 +1215,7 @@ end:
* but resolution is not made yet.
*/
-int neigh_compat_output(struct sk_buff *skb)
+int neigh_compat_output(struct neighbour *neigh, struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
@@ -1297,13 +1232,12 @@ EXPORT_SYMBOL(neigh_compat_output);
/* Slow and careful. */
-int neigh_resolve_output(struct sk_buff *skb)
+int neigh_resolve_output(struct neighbour *neigh, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
- struct neighbour *neigh;
int rc = 0;
- if (!dst || !(neigh = dst->neighbour))
+ if (!dst)
goto discard;
__skb_pull(skb, skb_network_offset(skb));
@@ -1313,10 +1247,8 @@ int neigh_resolve_output(struct sk_buff *skb)
struct net_device *dev = neigh->dev;
unsigned int seq;
- if (dev->header_ops->cache &&
- !dst->hh &&
- !(dst->flags & DST_NOCACHE))
- neigh_hh_init(neigh, dst, dst->ops->protocol);
+ if (dev->header_ops->cache && !neigh->hh.hh_len)
+ neigh_hh_init(neigh, dst);
do {
seq = read_seqbegin(&neigh->ha_lock);
@@ -1325,7 +1257,7 @@ int neigh_resolve_output(struct sk_buff *skb)
} while (read_seqretry(&neigh->ha_lock, seq));
if (err >= 0)
- rc = neigh->ops->queue_xmit(skb);
+ rc = dev_queue_xmit(skb);
else
goto out_kfree_skb;
}
@@ -1333,7 +1265,7 @@ out:
return rc;
discard:
NEIGH_PRINTK1("neigh_resolve_output: dst=%p neigh=%p\n",
- dst, dst ? dst->neighbour : NULL);
+ dst, neigh);
out_kfree_skb:
rc = -EINVAL;
kfree_skb(skb);
@@ -1343,13 +1275,11 @@ EXPORT_SYMBOL(neigh_resolve_output);
/* As fast as possible without hh cache */
-int neigh_connected_output(struct sk_buff *skb)
+int neigh_connected_output(struct neighbour *neigh, struct sk_buff *skb)
{
- int err;
- struct dst_entry *dst = skb_dst(skb);
- struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
unsigned int seq;
+ int err;
__skb_pull(skb, skb_network_offset(skb));
@@ -1360,7 +1290,7 @@ int neigh_connected_output(struct sk_buff *skb)
} while (read_seqretry(&neigh->ha_lock, seq));
if (err >= 0)
- err = neigh->ops->queue_xmit(skb);
+ err = dev_queue_xmit(skb);
else {
err = -EINVAL;
kfree_skb(skb);
@@ -1369,6 +1299,12 @@ int neigh_connected_output(struct sk_buff *skb)
}
EXPORT_SYMBOL(neigh_connected_output);
+int neigh_direct_output(struct neighbour *neigh, struct sk_buff *skb)
+{
+ return dev_queue_xmit(skb);
+}
+EXPORT_SYMBOL(neigh_direct_output);
+
static void neigh_proxy_process(unsigned long arg)
{
struct neigh_table *tbl = (struct neigh_table *)arg;
@@ -1540,7 +1476,7 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
panic("cannot create neighbour proc dir entry");
#endif
- RCU_INIT_POINTER(tbl->nht, neigh_hash_alloc(8));
+ RCU_INIT_POINTER(tbl->nht, neigh_hash_alloc(3));
phsize = (PNEIGH_HASHMASK + 1) * sizeof(struct pneigh_entry *);
tbl->phash_buckets = kzalloc(phsize, GFP_KERNEL);
@@ -1857,7 +1793,7 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
rcu_read_lock_bh();
nht = rcu_dereference_bh(tbl->nht);
ndc.ndtc_hash_rnd = nht->hash_rnd;
- ndc.ndtc_hash_mask = nht->hash_mask;
+ ndc.ndtc_hash_mask = ((1 << nht->hash_shift) - 1);
rcu_read_unlock_bh();
NLA_PUT(skb, NDTA_CONFIG, sizeof(ndc), &ndc);
@@ -2200,7 +2136,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb,
rcu_read_lock_bh();
nht = rcu_dereference_bh(tbl->nht);
- for (h = 0; h <= nht->hash_mask; h++) {
+ for (h = 0; h < (1 << nht->hash_shift); h++) {
if (h < s_h)
continue;
if (h > s_h)
@@ -2264,7 +2200,7 @@ void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void
nht = rcu_dereference_bh(tbl->nht);
read_lock(&tbl->lock); /* avoid resizes */
- for (chain = 0; chain <= nht->hash_mask; chain++) {
+ for (chain = 0; chain < (1 << nht->hash_shift); chain++) {
struct neighbour *n;
for (n = rcu_dereference_bh(nht->hash_buckets[chain]);
@@ -2286,7 +2222,7 @@ void __neigh_for_each_release(struct neigh_table *tbl,
nht = rcu_dereference_protected(tbl->nht,
lockdep_is_held(&tbl->lock));
- for (chain = 0; chain <= nht->hash_mask; chain++) {
+ for (chain = 0; chain < (1 << nht->hash_shift); chain++) {
struct neighbour *n;
struct neighbour __rcu **np;
@@ -2323,7 +2259,7 @@ static struct neighbour *neigh_get_first(struct seq_file *seq)
int bucket = state->bucket;
state->flags &= ~NEIGH_SEQ_IS_PNEIGH;
- for (bucket = 0; bucket <= nht->hash_mask; bucket++) {
+ for (bucket = 0; bucket < (1 << nht->hash_shift); bucket++) {
n = rcu_dereference_bh(nht->hash_buckets[bucket]);
while (n) {
@@ -2390,7 +2326,7 @@ next:
if (n)
break;
- if (++state->bucket > nht->hash_mask)
+ if (++state->bucket >= (1 << nht->hash_shift))
break;
n = rcu_dereference_bh(nht->hash_buckets[state->bucket]);
@@ -2909,12 +2845,13 @@ EXPORT_SYMBOL(neigh_sysctl_unregister);
static int __init neigh_init(void)
{
- rtnl_register(PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETNEIGH, NULL, neigh_dump_info);
+ rtnl_register(PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETNEIGH, NULL, neigh_dump_info, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info);
- rtnl_register(PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info,
+ NULL);
+ rtnl_register(PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL, NULL);
return 0;
}
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 33d2a1fba13..1683e5db2f2 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -100,7 +100,6 @@ NETDEVICE_SHOW(addr_assign_type, fmt_dec);
NETDEVICE_SHOW(addr_len, fmt_dec);
NETDEVICE_SHOW(iflink, fmt_dec);
NETDEVICE_SHOW(ifindex, fmt_dec);
-NETDEVICE_SHOW(features, fmt_hex);
NETDEVICE_SHOW(type, fmt_dec);
NETDEVICE_SHOW(link_mode, fmt_dec);
@@ -312,7 +311,6 @@ static struct device_attribute net_class_attributes[] = {
__ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias),
__ATTR(iflink, S_IRUGO, show_iflink, NULL),
__ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
- __ATTR(features, S_IRUGO, show_features, NULL),
__ATTR(type, S_IRUGO, show_type, NULL),
__ATTR(link_mode, S_IRUGO, show_link_mode, NULL),
__ATTR(address, S_IRUGO, show_address, NULL),
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index 7f1bb2aba03..52380b1d552 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -28,6 +28,8 @@
#include <trace/events/skb.h>
#include <trace/events/net.h>
#include <trace/events/napi.h>
+#include <trace/events/sock.h>
+#include <trace/events/udp.h>
EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index ea489db1bc2..5bbdbf0d366 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -129,6 +129,7 @@ static __net_init int setup_net(struct net *net)
atomic_set(&net->count, 1);
atomic_set(&net->passive, 1);
+ net->dev_base_seq = 1;
#ifdef NETNS_REFCNT_DEBUG
atomic_set(&net->use_count, 0);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 18d9cbda3a3..adf84dd8c7b 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -177,7 +177,7 @@ static void service_arp_queue(struct netpoll_info *npi)
}
}
-void netpoll_poll_dev(struct net_device *dev)
+static void netpoll_poll_dev(struct net_device *dev)
{
const struct net_device_ops *ops;
@@ -208,13 +208,6 @@ void netpoll_poll_dev(struct net_device *dev)
zap_completion_queue();
}
-EXPORT_SYMBOL(netpoll_poll_dev);
-
-void netpoll_poll(struct netpoll *np)
-{
- netpoll_poll_dev(np->dev);
-}
-EXPORT_SYMBOL(netpoll_poll);
static void refill_skbs(void)
{
@@ -275,7 +268,7 @@ repeat:
if (!skb) {
if (++count < 10) {
- netpoll_poll(np);
+ netpoll_poll_dev(np->dev);
goto repeat;
}
return NULL;
@@ -336,7 +329,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
}
/* tickle device maybe there is some cleanup */
- netpoll_poll(np);
+ netpoll_poll_dev(np->dev);
udelay(USEC_PER_POLL);
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index abd936d8a71..99d9e953fe3 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -56,9 +56,11 @@
struct rtnl_link {
rtnl_doit_func doit;
rtnl_dumpit_func dumpit;
+ rtnl_calcit_func calcit;
};
static DEFINE_MUTEX(rtnl_mutex);
+static u16 min_ifinfo_dump_size;
void rtnl_lock(void)
{
@@ -144,12 +146,28 @@ static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
return tab ? tab[msgindex].dumpit : NULL;
}
+static rtnl_calcit_func rtnl_get_calcit(int protocol, int msgindex)
+{
+ struct rtnl_link *tab;
+
+ if (protocol <= RTNL_FAMILY_MAX)
+ tab = rtnl_msg_handlers[protocol];
+ else
+ tab = NULL;
+
+ if (tab == NULL || tab[msgindex].calcit == NULL)
+ tab = rtnl_msg_handlers[PF_UNSPEC];
+
+ return tab ? tab[msgindex].calcit : NULL;
+}
+
/**
* __rtnl_register - Register a rtnetlink message type
* @protocol: Protocol family or PF_UNSPEC
* @msgtype: rtnetlink message type
* @doit: Function pointer called for each request message
* @dumpit: Function pointer called for each dump request (NLM_F_DUMP) message
+ * @calcit: Function pointer to calc size of dump message
*
* Registers the specified function pointers (at least one of them has
* to be non-NULL) to be called whenever a request message for the
@@ -162,7 +180,8 @@ static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
* Returns 0 on success or a negative error code.
*/
int __rtnl_register(int protocol, int msgtype,
- rtnl_doit_func doit, rtnl_dumpit_func dumpit)
+ rtnl_doit_func doit, rtnl_dumpit_func dumpit,
+ rtnl_calcit_func calcit)
{
struct rtnl_link *tab;
int msgindex;
@@ -185,6 +204,9 @@ int __rtnl_register(int protocol, int msgtype,
if (dumpit)
tab[msgindex].dumpit = dumpit;
+ if (calcit)
+ tab[msgindex].calcit = calcit;
+
return 0;
}
EXPORT_SYMBOL_GPL(__rtnl_register);
@@ -199,9 +221,10 @@ EXPORT_SYMBOL_GPL(__rtnl_register);
* of memory implies no sense in continuing.
*/
void rtnl_register(int protocol, int msgtype,
- rtnl_doit_func doit, rtnl_dumpit_func dumpit)
+ rtnl_doit_func doit, rtnl_dumpit_func dumpit,
+ rtnl_calcit_func calcit)
{
- if (__rtnl_register(protocol, msgtype, doit, dumpit) < 0)
+ if (__rtnl_register(protocol, msgtype, doit, dumpit, calcit) < 0)
panic("Unable to register rtnetlink message handler, "
"protocol = %d, message type = %d\n",
protocol, msgtype);
@@ -1009,6 +1032,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
s_idx = cb->args[1];
rcu_read_lock();
+ cb->seq = net->dev_base_seq;
+
for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
idx = 0;
head = &net->dev_index_head[h];
@@ -1020,6 +1045,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
cb->nlh->nlmsg_seq, 0,
NLM_F_MULTI) <= 0)
goto out;
+
+ nl_dump_check_consistent(cb, nlmsg_hdr(skb));
cont:
idx++;
}
@@ -1818,6 +1845,11 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
return err;
}
+static u16 rtnl_calcit(struct sk_buff *skb)
+{
+ return min_ifinfo_dump_size;
+}
+
static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
{
int idx;
@@ -1847,11 +1879,14 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
struct net *net = dev_net(dev);
struct sk_buff *skb;
int err = -ENOBUFS;
+ size_t if_info_size;
- skb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev)), GFP_KERNEL);
if (skb == NULL)
goto errout;
+ min_ifinfo_dump_size = max_t(u16, if_info_size, min_ifinfo_dump_size);
+
err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0);
if (err < 0) {
/* -EMSGSIZE implies BUG in if_nlmsg_size() */
@@ -1902,14 +1937,20 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
struct sock *rtnl;
rtnl_dumpit_func dumpit;
+ rtnl_calcit_func calcit;
+ u16 min_dump_alloc = 0;
dumpit = rtnl_get_dumpit(family, type);
if (dumpit == NULL)
return -EOPNOTSUPP;
+ calcit = rtnl_get_calcit(family, type);
+ if (calcit)
+ min_dump_alloc = calcit(skb);
__rtnl_unlock();
rtnl = net->rtnl;
- err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+ err = netlink_dump_start(rtnl, skb, nlh, dumpit,
+ NULL, min_dump_alloc);
rtnl_lock();
return err;
}
@@ -2019,12 +2060,13 @@ void __init rtnetlink_init(void)
netlink_set_nonroot(NETLINK_ROUTE, NL_NONROOT_RECV);
register_netdevice_notifier(&rtnetlink_dev_notifier);
- rtnl_register(PF_UNSPEC, RTM_GETLINK, rtnl_getlink, rtnl_dump_ifinfo);
- rtnl_register(PF_UNSPEC, RTM_SETLINK, rtnl_setlink, NULL);
- rtnl_register(PF_UNSPEC, RTM_NEWLINK, rtnl_newlink, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELLINK, rtnl_dellink, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETLINK, rtnl_getlink,
+ rtnl_dump_ifinfo, rtnl_calcit);
+ rtnl_register(PF_UNSPEC, RTM_SETLINK, rtnl_setlink, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_NEWLINK, rtnl_newlink, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELLINK, rtnl_dellink, NULL, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETADDR, NULL, rtnl_dump_all);
- rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all);
+ rtnl_register(PF_UNSPEC, RTM_GETADDR, NULL, rtnl_dump_all, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all, NULL);
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 46cbd28f40f..2beda824636 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -329,6 +329,18 @@ static void skb_release_data(struct sk_buff *skb)
put_page(skb_shinfo(skb)->frags[i].page);
}
+ /*
+ * If skb buf is from userspace, we need to notify the caller
+ * the lower device DMA has done;
+ */
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ struct ubuf_info *uarg;
+
+ uarg = skb_shinfo(skb)->destructor_arg;
+ if (uarg->callback)
+ uarg->callback(uarg);
+ }
+
if (skb_has_frag_list(skb))
skb_drop_fraglist(skb);
@@ -481,6 +493,9 @@ bool skb_recycle_check(struct sk_buff *skb, int skb_size)
if (irqs_disabled())
return false;
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY)
+ return false;
+
if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE)
return false;
@@ -596,6 +611,51 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src)
}
EXPORT_SYMBOL_GPL(skb_morph);
+/* skb frags copy userspace buffers to kernel */
+static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
+{
+ int i;
+ int num_frags = skb_shinfo(skb)->nr_frags;
+ struct page *page, *head = NULL;
+ struct ubuf_info *uarg = skb_shinfo(skb)->destructor_arg;
+
+ for (i = 0; i < num_frags; i++) {
+ u8 *vaddr;
+ skb_frag_t *f = &skb_shinfo(skb)->frags[i];
+
+ page = alloc_page(GFP_ATOMIC);
+ if (!page) {
+ while (head) {
+ struct page *next = (struct page *)head->private;
+ put_page(head);
+ head = next;
+ }
+ return -ENOMEM;
+ }
+ vaddr = kmap_skb_frag(&skb_shinfo(skb)->frags[i]);
+ memcpy(page_address(page),
+ vaddr + f->page_offset, f->size);
+ kunmap_skb_frag(vaddr);
+ page->private = (unsigned long)head;
+ head = page;
+ }
+
+ /* skb frags release userspace buffers */
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
+ put_page(skb_shinfo(skb)->frags[i].page);
+
+ uarg->callback(uarg);
+
+ /* skb frags point to kernel buffers */
+ for (i = skb_shinfo(skb)->nr_frags; i > 0; i--) {
+ skb_shinfo(skb)->frags[i - 1].page_offset = 0;
+ skb_shinfo(skb)->frags[i - 1].page = head;
+ head = (struct page *)head->private;
+ }
+ return 0;
+}
+
+
/**
* skb_clone - duplicate an sk_buff
* @skb: buffer to clone
@@ -614,6 +674,12 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
{
struct sk_buff *n;
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ if (skb_copy_ubufs(skb, gfp_mask))
+ return NULL;
+ skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+ }
+
n = skb + 1;
if (skb->fclone == SKB_FCLONE_ORIG &&
n->fclone == SKB_FCLONE_UNAVAILABLE) {
@@ -731,6 +797,14 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
if (skb_shinfo(skb)->nr_frags) {
int i;
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ if (skb_copy_ubufs(skb, gfp_mask)) {
+ kfree_skb(n);
+ n = NULL;
+ goto out;
+ }
+ skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+ }
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i];
get_page(skb_shinfo(n)->frags[i].page);
@@ -788,7 +862,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
fastpath = true;
else {
int delta = skb->nohdr ? (1 << SKB_DATAREF_SHIFT) + 1 : 1;
-
fastpath = atomic_read(&skb_shinfo(skb)->dataref) == delta;
}
@@ -819,6 +892,12 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
if (fastpath) {
kfree(skb->head);
} else {
+ /* copy this zero copy skb frags */
+ if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+ if (skb_copy_ubufs(skb, gfp_mask))
+ goto nofrags;
+ skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+ }
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
get_page(skb_shinfo(skb)->frags[i].page);
@@ -853,6 +932,8 @@ adjust_others:
atomic_set(&skb_shinfo(skb)->dataref, 1);
return 0;
+nofrags:
+ kfree(data);
nodata:
return -ENOMEM;
}
@@ -1354,6 +1435,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
}
start = end;
}
+
if (!len)
return 0;
diff --git a/net/core/sock.c b/net/core/sock.c
index 6e819780c23..bc745d00ea4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -128,6 +128,8 @@
#include <linux/filter.h>
+#include <trace/events/sock.h>
+
#ifdef CONFIG_INET
#include <net/tcp.h>
#endif
@@ -158,7 +160,7 @@ static const char *const af_family_key_strings[AF_MAX+1] = {
"sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" ,
"sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" ,
"sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" ,
- "sk_lock-AF_MAX"
+ "sk_lock-AF_NFC" , "sk_lock-AF_MAX"
};
static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" ,
@@ -174,7 +176,7 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = {
"slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" ,
"slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" ,
"slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" ,
- "slock-AF_MAX"
+ "slock-AF_NFC" , "slock-AF_MAX"
};
static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" ,
@@ -190,7 +192,7 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = {
"clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" ,
"clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" ,
"clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" ,
- "clock-AF_MAX"
+ "clock-AF_NFC" , "clock-AF_MAX"
};
/*
@@ -292,6 +294,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
(unsigned)sk->sk_rcvbuf) {
atomic_inc(&sk->sk_drops);
+ trace_sock_rcvqueue_full(sk, skb);
return -ENOMEM;
}
@@ -1736,6 +1739,8 @@ suppress_allocation:
return 1;
}
+ trace_sock_exceed_buf_limit(sk, prot, allocated);
+
/* Alas. Undo changes. */
sk->sk_forward_alloc -= amt * SK_MEM_QUANTUM;
atomic_long_sub(amt, prot->memory_allocated);
diff --git a/net/core/timestamping.c b/net/core/timestamping.c
index 7e7ca375d43..98a52640e7c 100644
--- a/net/core/timestamping.c
+++ b/net/core/timestamping.c
@@ -68,6 +68,7 @@ void skb_clone_tx_timestamp(struct sk_buff *skb)
break;
}
}
+EXPORT_SYMBOL_GPL(skb_clone_tx_timestamp);
void skb_complete_tx_timestamp(struct sk_buff *skb,
struct skb_shared_hwtstamps *hwtstamps)
@@ -121,6 +122,7 @@ bool skb_defer_rx_timestamp(struct sk_buff *skb)
return false;
}
+EXPORT_SYMBOL_GPL(skb_defer_rx_timestamp);
void __init skb_timestamping_init(void)
{
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 3609eacaf4c..3cb56af4e13 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1166,64 +1166,6 @@ err:
return ret;
}
-/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not
- * be completed the entire msg is aborted and error value is returned.
- * No attempt is made to reconcile the case where only part of the
- * cmd can be completed.
- */
-static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb,
- u32 pid, u32 seq, u16 flags)
-{
- const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
- struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
- int err = -EOPNOTSUPP;
-
- if (!ops)
- goto err;
-
- err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
- tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
- if (err)
- goto err;
-
- if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) {
- struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]);
- err = ops->ieee_setets(netdev, ets);
- if (err)
- goto err;
- }
-
- if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setpfc) {
- struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]);
- err = ops->ieee_setpfc(netdev, pfc);
- if (err)
- goto err;
- }
-
- if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
- struct nlattr *attr;
- int rem;
-
- nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
- struct dcb_app *app_data;
- if (nla_type(attr) != DCB_ATTR_IEEE_APP)
- continue;
- app_data = nla_data(attr);
- if (ops->ieee_setapp)
- err = ops->ieee_setapp(netdev, app_data);
- else
- err = dcb_setapp(netdev, app_data);
- if (err)
- goto err;
- }
- }
-
-err:
- dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE,
- pid, seq, flags);
- return err;
-}
-
static int dcbnl_build_peer_app(struct net_device *netdev, struct sk_buff* skb,
int app_nested_type, int app_info_type,
int app_entry_type)
@@ -1279,29 +1221,13 @@ nla_put_failure:
}
/* Handle IEEE 802.1Qaz GET commands. */
-static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
- u32 pid, u32 seq, u16 flags)
+static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
{
- struct sk_buff *skb;
- struct nlmsghdr *nlh;
- struct dcbmsg *dcb;
struct nlattr *ieee, *app;
struct dcb_app_type *itr;
const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
- int err;
-
- if (!ops)
- return -EOPNOTSUPP;
-
- skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!skb)
- return -ENOBUFS;
-
- nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
-
- dcb = NLMSG_DATA(nlh);
- dcb->dcb_family = AF_UNSPEC;
- dcb->cmd = DCB_CMD_IEEE_GET;
+ int dcbx;
+ int err = -EMSGSIZE;
NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
@@ -1338,6 +1264,12 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
}
}
}
+
+ if (netdev->dcbnl_ops->getdcbx)
+ dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+ else
+ dcbx = -EOPNOTSUPP;
+
spin_unlock(&dcb_lock);
nla_nest_end(skb, app);
@@ -1366,16 +1298,413 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
}
nla_nest_end(skb, ieee);
- nlmsg_end(skb, nlh);
+ if (dcbx >= 0) {
+ err = nla_put_u8(skb, DCB_ATTR_DCBX, dcbx);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ return 0;
- return rtnl_unicast(skb, &init_net, pid);
nla_put_failure:
- nlmsg_cancel(skb, nlh);
-nlmsg_failure:
- kfree_skb(skb);
- return -1;
+ return err;
}
+static int dcbnl_cee_pg_fill(struct sk_buff *skb, struct net_device *dev,
+ int dir)
+{
+ u8 pgid, up_map, prio, tc_pct;
+ const struct dcbnl_rtnl_ops *ops = dev->dcbnl_ops;
+ int i = dir ? DCB_ATTR_CEE_TX_PG : DCB_ATTR_CEE_RX_PG;
+ struct nlattr *pg = nla_nest_start(skb, i);
+
+ if (!pg)
+ goto nla_put_failure;
+
+ for (i = DCB_PG_ATTR_TC_0; i <= DCB_PG_ATTR_TC_7; i++) {
+ struct nlattr *tc_nest = nla_nest_start(skb, i);
+
+ if (!tc_nest)
+ goto nla_put_failure;
+
+ pgid = DCB_ATTR_VALUE_UNDEFINED;
+ prio = DCB_ATTR_VALUE_UNDEFINED;
+ tc_pct = DCB_ATTR_VALUE_UNDEFINED;
+ up_map = DCB_ATTR_VALUE_UNDEFINED;
+
+ if (!dir)
+ ops->getpgtccfgrx(dev, i - DCB_PG_ATTR_TC_0,
+ &prio, &pgid, &tc_pct, &up_map);
+ else
+ ops->getpgtccfgtx(dev, i - DCB_PG_ATTR_TC_0,
+ &prio, &pgid, &tc_pct, &up_map);
+
+ NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_PGID, pgid);
+ NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_UP_MAPPING, up_map);
+ NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_STRICT_PRIO, prio);
+ NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_BW_PCT, tc_pct);
+ nla_nest_end(skb, tc_nest);
+ }
+
+ for (i = DCB_PG_ATTR_BW_ID_0; i <= DCB_PG_ATTR_BW_ID_7; i++) {
+ tc_pct = DCB_ATTR_VALUE_UNDEFINED;
+
+ if (!dir)
+ ops->getpgbwgcfgrx(dev, i - DCB_PG_ATTR_BW_ID_0,
+ &tc_pct);
+ else
+ ops->getpgbwgcfgtx(dev, i - DCB_PG_ATTR_BW_ID_0,
+ &tc_pct);
+ NLA_PUT_U8(skb, i, tc_pct);
+ }
+ nla_nest_end(skb, pg);
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct nlattr *cee, *app;
+ struct dcb_app_type *itr;
+ const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+ int dcbx, i, err = -EMSGSIZE;
+ u8 value;
+
+ NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
+
+ cee = nla_nest_start(skb, DCB_ATTR_CEE);
+ if (!cee)
+ goto nla_put_failure;
+
+ /* local pg */
+ if (ops->getpgtccfgtx && ops->getpgbwgcfgtx) {
+ err = dcbnl_cee_pg_fill(skb, netdev, 1);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ if (ops->getpgtccfgrx && ops->getpgbwgcfgrx) {
+ err = dcbnl_cee_pg_fill(skb, netdev, 0);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ /* local pfc */
+ if (ops->getpfccfg) {
+ struct nlattr *pfc_nest = nla_nest_start(skb, DCB_ATTR_CEE_PFC);
+
+ if (!pfc_nest)
+ goto nla_put_failure;
+
+ for (i = DCB_PFC_UP_ATTR_0; i <= DCB_PFC_UP_ATTR_7; i++) {
+ ops->getpfccfg(netdev, i - DCB_PFC_UP_ATTR_0, &value);
+ NLA_PUT_U8(skb, i, value);
+ }
+ nla_nest_end(skb, pfc_nest);
+ }
+
+ /* local app */
+ spin_lock(&dcb_lock);
+ app = nla_nest_start(skb, DCB_ATTR_CEE_APP_TABLE);
+ if (!app)
+ goto dcb_unlock;
+
+ list_for_each_entry(itr, &dcb_app_list, list) {
+ if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) {
+ struct nlattr *app_nest = nla_nest_start(skb,
+ DCB_ATTR_APP);
+ if (!app_nest)
+ goto dcb_unlock;
+
+ err = nla_put_u8(skb, DCB_APP_ATTR_IDTYPE,
+ itr->app.selector);
+ if (err)
+ goto dcb_unlock;
+
+ err = nla_put_u16(skb, DCB_APP_ATTR_ID,
+ itr->app.protocol);
+ if (err)
+ goto dcb_unlock;
+
+ err = nla_put_u8(skb, DCB_APP_ATTR_PRIORITY,
+ itr->app.priority);
+ if (err)
+ goto dcb_unlock;
+
+ nla_nest_end(skb, app_nest);
+ }
+ }
+ nla_nest_end(skb, app);
+
+ if (netdev->dcbnl_ops->getdcbx)
+ dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+ else
+ dcbx = -EOPNOTSUPP;
+
+ spin_unlock(&dcb_lock);
+
+ /* features flags */
+ if (ops->getfeatcfg) {
+ struct nlattr *feat = nla_nest_start(skb, DCB_ATTR_CEE_FEAT);
+ if (!feat)
+ goto nla_put_failure;
+
+ for (i = DCB_FEATCFG_ATTR_ALL + 1; i <= DCB_FEATCFG_ATTR_MAX;
+ i++)
+ if (!ops->getfeatcfg(netdev, i, &value))
+ NLA_PUT_U8(skb, i, value);
+
+ nla_nest_end(skb, feat);
+ }
+
+ /* peer info if available */
+ if (ops->cee_peer_getpg) {
+ struct cee_pg pg;
+ err = ops->cee_peer_getpg(netdev, &pg);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_CEE_PEER_PG, sizeof(pg), &pg);
+ }
+
+ if (ops->cee_peer_getpfc) {
+ struct cee_pfc pfc;
+ err = ops->cee_peer_getpfc(netdev, &pfc);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_CEE_PEER_PFC, sizeof(pfc), &pfc);
+ }
+
+ if (ops->peer_getappinfo && ops->peer_getapptable) {
+ err = dcbnl_build_peer_app(netdev, skb,
+ DCB_ATTR_CEE_PEER_APP_TABLE,
+ DCB_ATTR_CEE_PEER_APP_INFO,
+ DCB_ATTR_CEE_PEER_APP);
+ if (err)
+ goto nla_put_failure;
+ }
+ nla_nest_end(skb, cee);
+
+ /* DCBX state */
+ if (dcbx >= 0) {
+ err = nla_put_u8(skb, DCB_ATTR_DCBX, dcbx);
+ if (err)
+ goto nla_put_failure;
+ }
+ return 0;
+
+dcb_unlock:
+ spin_unlock(&dcb_lock);
+nla_put_failure:
+ return err;
+}
+
+static int dcbnl_notify(struct net_device *dev, int event, int cmd,
+ u32 seq, u32 pid, int dcbx_ver)
+{
+ struct net *net = dev_net(dev);
+ struct sk_buff *skb;
+ struct nlmsghdr *nlh;
+ struct dcbmsg *dcb;
+ const struct dcbnl_rtnl_ops *ops = dev->dcbnl_ops;
+ int err;
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOBUFS;
+
+ nlh = nlmsg_put(skb, pid, 0, event, sizeof(*dcb), 0);
+ if (nlh == NULL) {
+ nlmsg_free(skb);
+ return -EMSGSIZE;
+ }
+
+ dcb = NLMSG_DATA(nlh);
+ dcb->dcb_family = AF_UNSPEC;
+ dcb->cmd = cmd;
+
+ if (dcbx_ver == DCB_CAP_DCBX_VER_IEEE)
+ err = dcbnl_ieee_fill(skb, dev);
+ else
+ err = dcbnl_cee_fill(skb, dev);
+
+ if (err < 0) {
+ /* Report error to broadcast listeners */
+ nlmsg_cancel(skb, nlh);
+ kfree_skb(skb);
+ rtnl_set_sk_err(net, RTNLGRP_DCB, err);
+ } else {
+ /* End nlmsg and notify broadcast listeners */
+ nlmsg_end(skb, nlh);
+ rtnl_notify(skb, net, 0, RTNLGRP_DCB, NULL, GFP_KERNEL);
+ }
+
+ return err;
+}
+
+int dcbnl_ieee_notify(struct net_device *dev, int event, int cmd,
+ u32 seq, u32 pid)
+{
+ return dcbnl_notify(dev, event, cmd, seq, pid, DCB_CAP_DCBX_VER_IEEE);
+}
+EXPORT_SYMBOL(dcbnl_ieee_notify);
+
+int dcbnl_cee_notify(struct net_device *dev, int event, int cmd,
+ u32 seq, u32 pid)
+{
+ return dcbnl_notify(dev, event, cmd, seq, pid, DCB_CAP_DCBX_VER_CEE);
+}
+EXPORT_SYMBOL(dcbnl_cee_notify);
+
+/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not
+ * be completed the entire msg is aborted and error value is returned.
+ * No attempt is made to reconcile the case where only part of the
+ * cmd can be completed.
+ */
+static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb,
+ u32 pid, u32 seq, u16 flags)
+{
+ const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+ struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
+ int err = -EOPNOTSUPP;
+
+ if (!ops)
+ return err;
+
+ if (!tb[DCB_ATTR_IEEE])
+ return -EINVAL;
+
+ err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
+ tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
+ if (err)
+ return err;
+
+ if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) {
+ struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]);
+ err = ops->ieee_setets(netdev, ets);
+ if (err)
+ goto err;
+ }
+
+ if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setpfc) {
+ struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]);
+ err = ops->ieee_setpfc(netdev, pfc);
+ if (err)
+ goto err;
+ }
+
+ if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
+ struct nlattr *attr;
+ int rem;
+
+ nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
+ struct dcb_app *app_data;
+ if (nla_type(attr) != DCB_ATTR_IEEE_APP)
+ continue;
+ app_data = nla_data(attr);
+ if (ops->ieee_setapp)
+ err = ops->ieee_setapp(netdev, app_data);
+ else
+ err = dcb_ieee_setapp(netdev, app_data);
+ if (err)
+ goto err;
+ }
+ }
+
+err:
+ dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE,
+ pid, seq, flags);
+ dcbnl_ieee_notify(netdev, RTM_SETDCB, DCB_CMD_IEEE_SET, seq, 0);
+ return err;
+}
+
+static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
+ u32 pid, u32 seq, u16 flags)
+{
+ struct net *net = dev_net(netdev);
+ struct sk_buff *skb;
+ struct nlmsghdr *nlh;
+ struct dcbmsg *dcb;
+ const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+ int err;
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOBUFS;
+
+ nlh = nlmsg_put(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+ if (nlh == NULL) {
+ nlmsg_free(skb);
+ return -EMSGSIZE;
+ }
+
+ dcb = NLMSG_DATA(nlh);
+ dcb->dcb_family = AF_UNSPEC;
+ dcb->cmd = DCB_CMD_IEEE_GET;
+
+ err = dcbnl_ieee_fill(skb, netdev);
+
+ if (err < 0) {
+ nlmsg_cancel(skb, nlh);
+ kfree_skb(skb);
+ } else {
+ nlmsg_end(skb, nlh);
+ err = rtnl_unicast(skb, net, pid);
+ }
+
+ return err;
+}
+
+static int dcbnl_ieee_del(struct net_device *netdev, struct nlattr **tb,
+ u32 pid, u32 seq, u16 flags)
+{
+ const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+ struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
+ int err = -EOPNOTSUPP;
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ if (!tb[DCB_ATTR_IEEE])
+ return -EINVAL;
+
+ err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
+ tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
+ if (err)
+ return err;
+
+ if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
+ struct nlattr *attr;
+ int rem;
+
+ nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
+ struct dcb_app *app_data;
+
+ if (nla_type(attr) != DCB_ATTR_IEEE_APP)
+ continue;
+ app_data = nla_data(attr);
+ if (ops->ieee_delapp)
+ err = ops->ieee_delapp(netdev, app_data);
+ else
+ err = dcb_ieee_delapp(netdev, app_data);
+ if (err)
+ goto err;
+ }
+ }
+
+err:
+ dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_DEL, DCB_ATTR_IEEE,
+ pid, seq, flags);
+ dcbnl_ieee_notify(netdev, RTM_SETDCB, DCB_CMD_IEEE_DEL, seq, 0);
+ return err;
+}
+
+
/* DCBX configuration */
static int dcbnl_getdcbx(struct net_device *netdev, struct nlattr **tb,
u32 pid, u32 seq, u16 flags)
@@ -1522,10 +1851,10 @@ err:
static int dcbnl_cee_get(struct net_device *netdev, struct nlattr **tb,
u32 pid, u32 seq, u16 flags)
{
+ struct net *net = dev_net(netdev);
struct sk_buff *skb;
struct nlmsghdr *nlh;
struct dcbmsg *dcb;
- struct nlattr *cee;
const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
int err;
@@ -1536,51 +1865,26 @@ static int dcbnl_cee_get(struct net_device *netdev, struct nlattr **tb,
if (!skb)
return -ENOBUFS;
- nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+ nlh = nlmsg_put(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+ if (nlh == NULL) {
+ nlmsg_free(skb);
+ return -EMSGSIZE;
+ }
dcb = NLMSG_DATA(nlh);
dcb->dcb_family = AF_UNSPEC;
dcb->cmd = DCB_CMD_CEE_GET;
- NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
+ err = dcbnl_cee_fill(skb, netdev);
- cee = nla_nest_start(skb, DCB_ATTR_CEE);
- if (!cee)
- goto nla_put_failure;
-
- /* get peer info if available */
- if (ops->cee_peer_getpg) {
- struct cee_pg pg;
- err = ops->cee_peer_getpg(netdev, &pg);
- if (!err)
- NLA_PUT(skb, DCB_ATTR_CEE_PEER_PG, sizeof(pg), &pg);
- }
-
- if (ops->cee_peer_getpfc) {
- struct cee_pfc pfc;
- err = ops->cee_peer_getpfc(netdev, &pfc);
- if (!err)
- NLA_PUT(skb, DCB_ATTR_CEE_PEER_PFC, sizeof(pfc), &pfc);
- }
-
- if (ops->peer_getappinfo && ops->peer_getapptable) {
- err = dcbnl_build_peer_app(netdev, skb,
- DCB_ATTR_CEE_PEER_APP_TABLE,
- DCB_ATTR_CEE_PEER_APP_INFO,
- DCB_ATTR_CEE_PEER_APP);
- if (err)
- goto nla_put_failure;
+ if (err < 0) {
+ nlmsg_cancel(skb, nlh);
+ nlmsg_free(skb);
+ } else {
+ nlmsg_end(skb, nlh);
+ err = rtnl_unicast(skb, net, pid);
}
-
- nla_nest_end(skb, cee);
- nlmsg_end(skb, nlh);
-
- return rtnl_unicast(skb, &init_net, pid);
-nla_put_failure:
- nlmsg_cancel(skb, nlh);
-nlmsg_failure:
- kfree_skb(skb);
- return -1;
+ return err;
}
static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
@@ -1690,11 +1994,15 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
goto out;
case DCB_CMD_IEEE_SET:
ret = dcbnl_ieee_set(netdev, tb, pid, nlh->nlmsg_seq,
- nlh->nlmsg_flags);
+ nlh->nlmsg_flags);
goto out;
case DCB_CMD_IEEE_GET:
ret = dcbnl_ieee_get(netdev, tb, pid, nlh->nlmsg_seq,
- nlh->nlmsg_flags);
+ nlh->nlmsg_flags);
+ goto out;
+ case DCB_CMD_IEEE_DEL:
+ ret = dcbnl_ieee_del(netdev, tb, pid, nlh->nlmsg_seq,
+ nlh->nlmsg_flags);
goto out;
case DCB_CMD_GDCBX:
ret = dcbnl_getdcbx(netdev, tb, pid, nlh->nlmsg_seq,
@@ -1754,12 +2062,13 @@ u8 dcb_getapp(struct net_device *dev, struct dcb_app *app)
EXPORT_SYMBOL(dcb_getapp);
/**
- * ixgbe_dcbnl_setapp - add dcb application data to app list
+ * dcb_setapp - add CEE dcb application data to app list
*
- * Priority 0 is the default priority this removes applications
- * from the app list if the priority is set to zero.
+ * Priority 0 is an invalid priority in CEE spec. This routine
+ * removes applications from the app list if the priority is
+ * set to zero.
*/
-u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
+int dcb_setapp(struct net_device *dev, struct dcb_app *new)
{
struct dcb_app_type *itr;
struct dcb_app_type event;
@@ -1802,6 +2111,114 @@ out:
}
EXPORT_SYMBOL(dcb_setapp);
+/**
+ * dcb_ieee_getapp_mask - retrieve the IEEE DCB application priority
+ *
+ * Helper routine which on success returns a non-zero 802.1Qaz user
+ * priority bitmap otherwise returns 0 to indicate the dcb_app was
+ * not found in APP list.
+ */
+u8 dcb_ieee_getapp_mask(struct net_device *dev, struct dcb_app *app)
+{
+ struct dcb_app_type *itr;
+ u8 prio = 0;
+
+ spin_lock(&dcb_lock);
+ list_for_each_entry(itr, &dcb_app_list, list) {
+ if (itr->app.selector == app->selector &&
+ itr->app.protocol == app->protocol &&
+ (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+ prio |= 1 << itr->app.priority;
+ }
+ }
+ spin_unlock(&dcb_lock);
+
+ return prio;
+}
+EXPORT_SYMBOL(dcb_ieee_getapp_mask);
+
+/**
+ * dcb_ieee_setapp - add IEEE dcb application data to app list
+ *
+ * This adds Application data to the list. Multiple application
+ * entries may exists for the same selector and protocol as long
+ * as the priorities are different.
+ */
+int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
+{
+ struct dcb_app_type *itr, *entry;
+ struct dcb_app_type event;
+ int err = 0;
+
+ memcpy(&event.name, dev->name, sizeof(event.name));
+ memcpy(&event.app, new, sizeof(event.app));
+
+ spin_lock(&dcb_lock);
+ /* Search for existing match and abort if found */
+ list_for_each_entry(itr, &dcb_app_list, list) {
+ if (itr->app.selector == new->selector &&
+ itr->app.protocol == new->protocol &&
+ itr->app.priority == new->priority &&
+ (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+ err = -EEXIST;
+ goto out;
+ }
+ }
+
+ /* App entry does not exist add new entry */
+ entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC);
+ if (!entry) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ memcpy(&entry->app, new, sizeof(*new));
+ strncpy(entry->name, dev->name, IFNAMSIZ);
+ list_add(&entry->list, &dcb_app_list);
+out:
+ spin_unlock(&dcb_lock);
+ if (!err)
+ call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+ return err;
+}
+EXPORT_SYMBOL(dcb_ieee_setapp);
+
+/**
+ * dcb_ieee_delapp - delete IEEE dcb application data from list
+ *
+ * This removes a matching APP data from the APP list
+ */
+int dcb_ieee_delapp(struct net_device *dev, struct dcb_app *del)
+{
+ struct dcb_app_type *itr;
+ struct dcb_app_type event;
+ int err = -ENOENT;
+
+ memcpy(&event.name, dev->name, sizeof(event.name));
+ memcpy(&event.app, del, sizeof(event.app));
+
+ spin_lock(&dcb_lock);
+ /* Search for existing match and remove it. */
+ list_for_each_entry(itr, &dcb_app_list, list) {
+ if (itr->app.selector == del->selector &&
+ itr->app.protocol == del->protocol &&
+ itr->app.priority == del->priority &&
+ (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+ list_del(&itr->list);
+ kfree(itr);
+ err = 0;
+ goto out;
+ }
+ }
+
+out:
+ spin_unlock(&dcb_lock);
+ if (!err)
+ call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+ return err;
+}
+EXPORT_SYMBOL(dcb_ieee_delapp);
+
static void dcb_flushapp(void)
{
struct dcb_app_type *app;
@@ -1819,8 +2236,8 @@ static int __init dcbnl_init(void)
{
INIT_LIST_HEAD(&dcb_app_list);
- rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL);
- rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL, NULL);
return 0;
}
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 36479ca61e0..48b585a5cba 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -118,7 +118,7 @@ static int ccid_activate(struct ccid_operations *ccid_ops)
if (ccid_ops->ccid_hc_tx_slab == NULL)
goto out_free_rx_slab;
- pr_info("CCID: Activated CCID %d (%s)\n",
+ pr_info("DCCP: Activated CCID %d (%s)\n",
ccid_ops->ccid_id, ccid_ops->ccid_name);
err = 0;
out:
@@ -136,7 +136,7 @@ static void ccid_deactivate(struct ccid_operations *ccid_ops)
ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);
ccid_ops->ccid_hc_rx_slab = NULL;
- pr_info("CCID: Deactivated CCID %d (%s)\n",
+ pr_info("DCCP: Deactivated CCID %d (%s)\n",
ccid_ops->ccid_id, ccid_ops->ccid_name);
}
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index fadecd20d75..0462040fc81 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -153,17 +153,93 @@ out:
sock_put(sk);
}
+/*
+ * Congestion window validation (RFC 2861).
+ */
+static int ccid2_do_cwv = 1;
+module_param(ccid2_do_cwv, bool, 0644);
+MODULE_PARM_DESC(ccid2_do_cwv, "Perform RFC2861 Congestion Window Validation");
+
+/**
+ * ccid2_update_used_window - Track how much of cwnd is actually used
+ * This is done in addition to CWV. The sender needs to have an idea of how many
+ * packets may be in flight, to set the local Sequence Window value accordingly
+ * (RFC 4340, 7.5.2). The CWV mechanism is exploited to keep track of the
+ * maximum-used window. We use an EWMA low-pass filter to filter out noise.
+ */
+static void ccid2_update_used_window(struct ccid2_hc_tx_sock *hc, u32 new_wnd)
+{
+ hc->tx_expected_wnd = (3 * hc->tx_expected_wnd + new_wnd) / 4;
+}
+
+/* This borrows the code of tcp_cwnd_application_limited() */
+static void ccid2_cwnd_application_limited(struct sock *sk, const u32 now)
+{
+ struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+ /* don't reduce cwnd below the initial window (IW) */
+ u32 init_win = rfc3390_bytes_to_packets(dccp_sk(sk)->dccps_mss_cache),
+ win_used = max(hc->tx_cwnd_used, init_win);
+
+ if (win_used < hc->tx_cwnd) {
+ hc->tx_ssthresh = max(hc->tx_ssthresh,
+ (hc->tx_cwnd >> 1) + (hc->tx_cwnd >> 2));
+ hc->tx_cwnd = (hc->tx_cwnd + win_used) >> 1;
+ }
+ hc->tx_cwnd_used = 0;
+ hc->tx_cwnd_stamp = now;
+}
+
+/* This borrows the code of tcp_cwnd_restart() */
+static void ccid2_cwnd_restart(struct sock *sk, const u32 now)
+{
+ struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+ u32 cwnd = hc->tx_cwnd, restart_cwnd,
+ iwnd = rfc3390_bytes_to_packets(dccp_sk(sk)->dccps_mss_cache);
+
+ hc->tx_ssthresh = max(hc->tx_ssthresh, (cwnd >> 1) + (cwnd >> 2));
+
+ /* don't reduce cwnd below the initial window (IW) */
+ restart_cwnd = min(cwnd, iwnd);
+ cwnd >>= (now - hc->tx_lsndtime) / hc->tx_rto;
+ hc->tx_cwnd = max(cwnd, restart_cwnd);
+
+ hc->tx_cwnd_stamp = now;
+ hc->tx_cwnd_used = 0;
+}
+
static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len)
{
struct dccp_sock *dp = dccp_sk(sk);
struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+ const u32 now = ccid2_time_stamp;
struct ccid2_seq *next;
- hc->tx_pipe++;
+ /* slow-start after idle periods (RFC 2581, RFC 2861) */
+ if (ccid2_do_cwv && !hc->tx_pipe &&
+ (s32)(now - hc->tx_lsndtime) >= hc->tx_rto)
+ ccid2_cwnd_restart(sk, now);
+
+ hc->tx_lsndtime = now;
+ hc->tx_pipe += 1;
+
+ /* see whether cwnd was fully used (RFC 2861), update expected window */
+ if (ccid2_cwnd_network_limited(hc)) {
+ ccid2_update_used_window(hc, hc->tx_cwnd);
+ hc->tx_cwnd_used = 0;
+ hc->tx_cwnd_stamp = now;
+ } else {
+ if (hc->tx_pipe > hc->tx_cwnd_used)
+ hc->tx_cwnd_used = hc->tx_pipe;
+
+ ccid2_update_used_window(hc, hc->tx_cwnd_used);
+
+ if (ccid2_do_cwv && (s32)(now - hc->tx_cwnd_stamp) >= hc->tx_rto)
+ ccid2_cwnd_application_limited(sk, now);
+ }
hc->tx_seqh->ccid2s_seq = dp->dccps_gss;
hc->tx_seqh->ccid2s_acked = 0;
- hc->tx_seqh->ccid2s_sent = ccid2_time_stamp;
+ hc->tx_seqh->ccid2s_sent = now;
next = hc->tx_seqh->ccid2s_next;
/* check if we need to alloc more space */
@@ -583,15 +659,6 @@ done:
dccp_ackvec_parsed_cleanup(&hc->tx_av_chunks);
}
-/*
- * Convert RFC 3390 larger initial window into an equivalent number of packets.
- * This is based on the numbers specified in RFC 5681, 3.1.
- */
-static inline u32 rfc3390_bytes_to_packets(const u32 smss)
-{
- return smss <= 1095 ? 4 : (smss > 2190 ? 2 : 3);
-}
-
static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
{
struct ccid2_hc_tx_sock *hc = ccid_priv(ccid);
@@ -603,6 +670,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
/* Use larger initial windows (RFC 4341, section 5). */
hc->tx_cwnd = rfc3390_bytes_to_packets(dp->dccps_mss_cache);
+ hc->tx_expected_wnd = hc->tx_cwnd;
/* Make sure that Ack Ratio is enabled and within bounds. */
max_ratio = DIV_ROUND_UP(hc->tx_cwnd, 2);
@@ -615,7 +683,8 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
hc->tx_rto = DCCP_TIMEOUT_INIT;
hc->tx_rpdupack = -1;
- hc->tx_last_cong = ccid2_time_stamp;
+ hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_time_stamp;
+ hc->tx_cwnd_used = 0;
setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire,
(unsigned long)sk);
INIT_LIST_HEAD(&hc->tx_av_chunks);
@@ -636,18 +705,14 @@ static void ccid2_hc_tx_exit(struct sock *sk)
static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
{
- const struct dccp_sock *dp = dccp_sk(sk);
struct ccid2_hc_rx_sock *hc = ccid2_hc_rx_sk(sk);
- switch (DCCP_SKB_CB(skb)->dccpd_type) {
- case DCCP_PKT_DATA:
- case DCCP_PKT_DATAACK:
- hc->rx_data++;
- if (hc->rx_data >= dp->dccps_r_ack_ratio) {
- dccp_send_ack(sk);
- hc->rx_data = 0;
- }
- break;
+ if (!dccp_data_packet(skb))
+ return;
+
+ if (++hc->rx_num_data_pkts >= dccp_sk(sk)->dccps_r_ack_ratio) {
+ dccp_send_ack(sk);
+ hc->rx_num_data_pkts = 0;
}
}
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index e9985dafc2c..f585d330e1e 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -53,6 +53,10 @@ struct ccid2_seq {
* @tx_rttvar: moving average/maximum of @mdev_max
* @tx_rto: RTO value deriving from SRTT and RTTVAR (RFC 2988)
* @tx_rtt_seq: to decay RTTVAR at most once per flight
+ * @tx_cwnd_used: actually used cwnd, W_used of RFC 2861
+ * @tx_expected_wnd: moving average of @tx_cwnd_used
+ * @tx_cwnd_stamp: to track idle periods in CWV
+ * @tx_lsndtime: last time (in jiffies) a data packet was sent
* @tx_rpseq: last consecutive seqno
* @tx_rpdupack: dupacks since rpseq
* @tx_av_chunks: list of Ack Vectors received on current skb
@@ -76,6 +80,12 @@ struct ccid2_hc_tx_sock {
u64 tx_rtt_seq:48;
struct timer_list tx_rtotimer;
+ /* Congestion Window validation (optional, RFC 2861) */
+ u32 tx_cwnd_used,
+ tx_expected_wnd,
+ tx_cwnd_stamp,
+ tx_lsndtime;
+
u64 tx_rpseq;
int tx_rpdupack;
u32 tx_last_cong;
@@ -88,8 +98,21 @@ static inline bool ccid2_cwnd_network_limited(struct ccid2_hc_tx_sock *hc)
return hc->tx_pipe >= hc->tx_cwnd;
}
+/*
+ * Convert RFC 3390 larger initial window into an equivalent number of packets.
+ * This is based on the numbers specified in RFC 5681, 3.1.
+ */
+static inline u32 rfc3390_bytes_to_packets(const u32 smss)
+{
+ return smss <= 1095 ? 4 : (smss > 2190 ? 2 : 3);
+}
+
+/**
+ * struct ccid2_hc_rx_sock - Receiving end of CCID-2 half-connection
+ * @rx_num_data_pkts: number of data packets received since last feedback
+ */
struct ccid2_hc_rx_sock {
- int rx_data;
+ u32 rx_num_data_pkts;
};
static inline struct ccid2_hc_tx_sock *ccid2_hc_tx_sk(const struct sock *sk)
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 4222e7a654b..51d5fe5fffb 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -619,20 +619,31 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
return 1;
}
- if (sk->sk_state != DCCP_REQUESTING && sk->sk_state != DCCP_RESPOND) {
- if (dccp_check_seqno(sk, skb))
- goto discard;
-
- /*
- * Step 8: Process options and mark acknowledgeable
- */
- if (dccp_parse_options(sk, NULL, skb))
- return 1;
+ /* Step 6: Check sequence numbers (omitted in LISTEN/REQUEST state) */
+ if (sk->sk_state != DCCP_REQUESTING && dccp_check_seqno(sk, skb))
+ goto discard;
- dccp_handle_ackvec_processing(sk, skb);
- dccp_deliver_input_to_ccids(sk, skb);
+ /*
+ * Step 7: Check for unexpected packet types
+ * If (S.is_server and P.type == Response)
+ * or (S.is_client and P.type == Request)
+ * or (S.state == RESPOND and P.type == Data),
+ * Send Sync packet acknowledging P.seqno
+ * Drop packet and return
+ */
+ if ((dp->dccps_role != DCCP_ROLE_CLIENT &&
+ dh->dccph_type == DCCP_PKT_RESPONSE) ||
+ (dp->dccps_role == DCCP_ROLE_CLIENT &&
+ dh->dccph_type == DCCP_PKT_REQUEST) ||
+ (sk->sk_state == DCCP_RESPOND && dh->dccph_type == DCCP_PKT_DATA)) {
+ dccp_send_sync(sk, dcb->dccpd_seq, DCCP_PKT_SYNC);
+ goto discard;
}
+ /* Step 8: Process options */
+ if (dccp_parse_options(sk, NULL, skb))
+ return 1;
+
/*
* Step 9: Process Reset
* If P.type == Reset,
@@ -640,31 +651,15 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
* S.state := TIMEWAIT
* Set TIMEWAIT timer
* Drop packet and return
- */
+ */
if (dh->dccph_type == DCCP_PKT_RESET) {
dccp_rcv_reset(sk, skb);
return 0;
- /*
- * Step 7: Check for unexpected packet types
- * If (S.is_server and P.type == Response)
- * or (S.is_client and P.type == Request)
- * or (S.state == RESPOND and P.type == Data),
- * Send Sync packet acknowledging P.seqno
- * Drop packet and return
- */
- } else if ((dp->dccps_role != DCCP_ROLE_CLIENT &&
- dh->dccph_type == DCCP_PKT_RESPONSE) ||
- (dp->dccps_role == DCCP_ROLE_CLIENT &&
- dh->dccph_type == DCCP_PKT_REQUEST) ||
- (sk->sk_state == DCCP_RESPOND &&
- dh->dccph_type == DCCP_PKT_DATA)) {
- dccp_send_sync(sk, dcb->dccpd_seq, DCCP_PKT_SYNC);
- goto discard;
- } else if (dh->dccph_type == DCCP_PKT_CLOSEREQ) {
+ } else if (dh->dccph_type == DCCP_PKT_CLOSEREQ) { /* Step 13 */
if (dccp_rcv_closereq(sk, skb))
return 0;
goto discard;
- } else if (dh->dccph_type == DCCP_PKT_CLOSE) {
+ } else if (dh->dccph_type == DCCP_PKT_CLOSE) { /* Step 14 */
if (dccp_rcv_close(sk, skb))
return 0;
goto discard;
@@ -679,8 +674,12 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
__kfree_skb(skb);
return 0;
- case DCCP_RESPOND:
case DCCP_PARTOPEN:
+ /* Step 8: if using Ack Vectors, mark packet acknowledgeable */
+ dccp_handle_ackvec_processing(sk, skb);
+ dccp_deliver_input_to_ccids(sk, skb);
+ /* fall through */
+ case DCCP_RESPOND:
queued = dccp_rcv_respond_partopen_state_process(sk, skb,
dh, len);
break;
diff --git a/net/dccp/output.c b/net/dccp/output.c
index fab108e51e5..dede3edb884 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -27,11 +27,13 @@ static inline void dccp_event_ack_sent(struct sock *sk)
inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
}
-static void dccp_skb_entail(struct sock *sk, struct sk_buff *skb)
+/* enqueue @skb on sk_send_head for retransmission, return clone to send now */
+static struct sk_buff *dccp_skb_entail(struct sock *sk, struct sk_buff *skb)
{
skb_set_owner_w(skb, sk);
WARN_ON(sk->sk_send_head);
sk->sk_send_head = skb;
+ return skb_clone(sk->sk_send_head, gfp_any());
}
/*
@@ -552,8 +554,7 @@ int dccp_connect(struct sock *sk)
DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_REQUEST;
- dccp_skb_entail(sk, skb);
- dccp_transmit_skb(sk, skb_clone(skb, GFP_KERNEL));
+ dccp_transmit_skb(sk, dccp_skb_entail(sk, skb));
DCCP_INC_STATS(DCCP_MIB_ACTIVEOPENS);
/* Timer for repeating the REQUEST until an answer. */
@@ -678,8 +679,7 @@ void dccp_send_close(struct sock *sk, const int active)
DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_CLOSE;
if (active) {
- dccp_skb_entail(sk, skb);
- dccp_transmit_skb(sk, skb_clone(skb, prio));
+ skb = dccp_skb_entail(sk, skb);
/*
* Retransmission timer for active-close: RFC 4340, 8.3 requires
* to retransmit the Close/CloseReq until the CLOSING/CLOSEREQ
@@ -692,6 +692,6 @@ void dccp_send_close(struct sock *sk, const int active)
*/
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
DCCP_TIMEOUT_INIT, DCCP_RTO_MAX);
- } else
- dccp_transmit_skb(sk, skb);
+ }
+ dccp_transmit_skb(sk, skb);
}
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index ea3b6ee21fc..19acd00a638 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -291,23 +291,23 @@ int dn_sockaddr2username(struct sockaddr_dn *sdn, unsigned char *buf, unsigned c
*buf++ = type;
- switch(type) {
- case 0:
- *buf++ = sdn->sdn_objnum;
- break;
- case 1:
- *buf++ = 0;
- *buf++ = le16_to_cpu(sdn->sdn_objnamel);
- memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
- len = 3 + le16_to_cpu(sdn->sdn_objnamel);
- break;
- case 2:
- memset(buf, 0, 5);
- buf += 5;
- *buf++ = le16_to_cpu(sdn->sdn_objnamel);
- memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
- len = 7 + le16_to_cpu(sdn->sdn_objnamel);
- break;
+ switch (type) {
+ case 0:
+ *buf++ = sdn->sdn_objnum;
+ break;
+ case 1:
+ *buf++ = 0;
+ *buf++ = le16_to_cpu(sdn->sdn_objnamel);
+ memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+ len = 3 + le16_to_cpu(sdn->sdn_objnamel);
+ break;
+ case 2:
+ memset(buf, 0, 5);
+ buf += 5;
+ *buf++ = le16_to_cpu(sdn->sdn_objnamel);
+ memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+ len = 7 + le16_to_cpu(sdn->sdn_objnamel);
+ break;
}
return len;
@@ -337,23 +337,23 @@ int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *sdn,
*fmt = *data++;
type = *data++;
- switch(*fmt) {
- case 0:
- sdn->sdn_objnum = type;
- return 2;
- case 1:
- namel = 16;
- break;
- case 2:
- len -= 4;
- data += 4;
- break;
- case 4:
- len -= 8;
- data += 8;
- break;
- default:
- return -1;
+ switch (*fmt) {
+ case 0:
+ sdn->sdn_objnum = type;
+ return 2;
+ case 1:
+ namel = 16;
+ break;
+ case 2:
+ len -= 4;
+ data += 4;
+ break;
+ case 4:
+ len -= 8;
+ data += 8;
+ break;
+ default:
+ return -1;
}
len -= 1;
@@ -575,25 +575,26 @@ int dn_destroy_timer(struct sock *sk)
scp->persist = dn_nsp_persist(sk);
- switch(scp->state) {
- case DN_DI:
- dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
- if (scp->nsp_rxtshift >= decnet_di_count)
- scp->state = DN_CN;
- return 0;
+ switch (scp->state) {
+ case DN_DI:
+ dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+ if (scp->nsp_rxtshift >= decnet_di_count)
+ scp->state = DN_CN;
+ return 0;
- case DN_DR:
- dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
- if (scp->nsp_rxtshift >= decnet_dr_count)
- scp->state = DN_DRC;
- return 0;
+ case DN_DR:
+ dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+ if (scp->nsp_rxtshift >= decnet_dr_count)
+ scp->state = DN_DRC;
+ return 0;
- case DN_DN:
- if (scp->nsp_rxtshift < decnet_dn_count) {
- /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
- dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, GFP_ATOMIC);
- return 0;
- }
+ case DN_DN:
+ if (scp->nsp_rxtshift < decnet_dn_count) {
+ /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
+ dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+ GFP_ATOMIC);
+ return 0;
+ }
}
scp->persist = (HZ * decnet_time_wait);
@@ -623,42 +624,42 @@ static void dn_destroy_sock(struct sock *sk)
sk->sk_state = TCP_CLOSE;
- switch(scp->state) {
- case DN_DN:
- dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
- sk->sk_allocation);
- scp->persist_fxn = dn_destroy_timer;
- scp->persist = dn_nsp_persist(sk);
- break;
- case DN_CR:
- scp->state = DN_DR;
- goto disc_reject;
- case DN_RUN:
- scp->state = DN_DI;
- case DN_DI:
- case DN_DR:
+ switch (scp->state) {
+ case DN_DN:
+ dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+ sk->sk_allocation);
+ scp->persist_fxn = dn_destroy_timer;
+ scp->persist = dn_nsp_persist(sk);
+ break;
+ case DN_CR:
+ scp->state = DN_DR;
+ goto disc_reject;
+ case DN_RUN:
+ scp->state = DN_DI;
+ case DN_DI:
+ case DN_DR:
disc_reject:
- dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
- case DN_NC:
- case DN_NR:
- case DN_RJ:
- case DN_DIC:
- case DN_CN:
- case DN_DRC:
- case DN_CI:
- case DN_CD:
- scp->persist_fxn = dn_destroy_timer;
- scp->persist = dn_nsp_persist(sk);
- break;
- default:
- printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
- case DN_O:
- dn_stop_slow_timer(sk);
+ dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
+ case DN_NC:
+ case DN_NR:
+ case DN_RJ:
+ case DN_DIC:
+ case DN_CN:
+ case DN_DRC:
+ case DN_CI:
+ case DN_CD:
+ scp->persist_fxn = dn_destroy_timer;
+ scp->persist = dn_nsp_persist(sk);
+ break;
+ default:
+ printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
+ case DN_O:
+ dn_stop_slow_timer(sk);
- dn_unhash_sock_bh(sk);
- sock_put(sk);
+ dn_unhash_sock_bh(sk);
+ sock_put(sk);
- break;
+ break;
}
}
@@ -683,15 +684,15 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
- switch(sock->type) {
- case SOCK_SEQPACKET:
- if (protocol != DNPROTO_NSP)
- return -EPROTONOSUPPORT;
- break;
- case SOCK_STREAM:
- break;
- default:
- return -ESOCKTNOSUPPORT;
+ switch (sock->type) {
+ case SOCK_SEQPACKET:
+ if (protocol != DNPROTO_NSP)
+ return -EPROTONOSUPPORT;
+ break;
+ case SOCK_STREAM:
+ break;
+ default:
+ return -ESOCKTNOSUPPORT;
}
@@ -987,16 +988,16 @@ static inline int dn_check_state(struct sock *sk, struct sockaddr_dn *addr, int
{
struct dn_scp *scp = DN_SK(sk);
- switch(scp->state) {
- case DN_RUN:
- return 0;
- case DN_CR:
- return dn_confirm_accept(sk, timeo, sk->sk_allocation);
- case DN_CI:
- case DN_CC:
- return dn_wait_run(sk, timeo);
- case DN_O:
- return __dn_connect(sk, addr, addrlen, timeo, flags);
+ switch (scp->state) {
+ case DN_RUN:
+ return 0;
+ case DN_CR:
+ return dn_confirm_accept(sk, timeo, sk->sk_allocation);
+ case DN_CI:
+ case DN_CC:
+ return dn_wait_run(sk, timeo);
+ case DN_O:
+ return __dn_connect(sk, addr, addrlen, timeo, flags);
}
return -EINVAL;
@@ -1363,141 +1364,140 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
if (copy_from_user(&u, optval, optlen))
return -EFAULT;
- switch(optname) {
- case DSO_CONDATA:
- if (sock->state == SS_CONNECTED)
- return -EISCONN;
- if ((scp->state != DN_O) && (scp->state != DN_CR))
- return -EINVAL;
+ switch (optname) {
+ case DSO_CONDATA:
+ if (sock->state == SS_CONNECTED)
+ return -EISCONN;
+ if ((scp->state != DN_O) && (scp->state != DN_CR))
+ return -EINVAL;
- if (optlen != sizeof(struct optdata_dn))
- return -EINVAL;
+ if (optlen != sizeof(struct optdata_dn))
+ return -EINVAL;
- if (le16_to_cpu(u.opt.opt_optl) > 16)
- return -EINVAL;
+ if (le16_to_cpu(u.opt.opt_optl) > 16)
+ return -EINVAL;
- memcpy(&scp->conndata_out, &u.opt, optlen);
- break;
-
- case DSO_DISDATA:
- if (sock->state != SS_CONNECTED && scp->accept_mode == ACC_IMMED)
- return -ENOTCONN;
-
- if (optlen != sizeof(struct optdata_dn))
- return -EINVAL;
+ memcpy(&scp->conndata_out, &u.opt, optlen);
+ break;
- if (le16_to_cpu(u.opt.opt_optl) > 16)
- return -EINVAL;
+ case DSO_DISDATA:
+ if (sock->state != SS_CONNECTED &&
+ scp->accept_mode == ACC_IMMED)
+ return -ENOTCONN;
- memcpy(&scp->discdata_out, &u.opt, optlen);
- break;
+ if (optlen != sizeof(struct optdata_dn))
+ return -EINVAL;
- case DSO_CONACCESS:
- if (sock->state == SS_CONNECTED)
- return -EISCONN;
- if (scp->state != DN_O)
- return -EINVAL;
+ if (le16_to_cpu(u.opt.opt_optl) > 16)
+ return -EINVAL;
- if (optlen != sizeof(struct accessdata_dn))
- return -EINVAL;
+ memcpy(&scp->discdata_out, &u.opt, optlen);
+ break;
- if ((u.acc.acc_accl > DN_MAXACCL) ||
- (u.acc.acc_passl > DN_MAXACCL) ||
- (u.acc.acc_userl > DN_MAXACCL))
- return -EINVAL;
+ case DSO_CONACCESS:
+ if (sock->state == SS_CONNECTED)
+ return -EISCONN;
+ if (scp->state != DN_O)
+ return -EINVAL;
- memcpy(&scp->accessdata, &u.acc, optlen);
- break;
+ if (optlen != sizeof(struct accessdata_dn))
+ return -EINVAL;
- case DSO_ACCEPTMODE:
- if (sock->state == SS_CONNECTED)
- return -EISCONN;
- if (scp->state != DN_O)
- return -EINVAL;
+ if ((u.acc.acc_accl > DN_MAXACCL) ||
+ (u.acc.acc_passl > DN_MAXACCL) ||
+ (u.acc.acc_userl > DN_MAXACCL))
+ return -EINVAL;
- if (optlen != sizeof(int))
- return -EINVAL;
+ memcpy(&scp->accessdata, &u.acc, optlen);
+ break;
- if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
- return -EINVAL;
+ case DSO_ACCEPTMODE:
+ if (sock->state == SS_CONNECTED)
+ return -EISCONN;
+ if (scp->state != DN_O)
+ return -EINVAL;
- scp->accept_mode = (unsigned char)u.mode;
- break;
+ if (optlen != sizeof(int))
+ return -EINVAL;
- case DSO_CONACCEPT:
+ if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
+ return -EINVAL;
- if (scp->state != DN_CR)
- return -EINVAL;
- timeo = sock_rcvtimeo(sk, 0);
- err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
- return err;
+ scp->accept_mode = (unsigned char)u.mode;
+ break;
- case DSO_CONREJECT:
+ case DSO_CONACCEPT:
+ if (scp->state != DN_CR)
+ return -EINVAL;
+ timeo = sock_rcvtimeo(sk, 0);
+ err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
+ return err;
- if (scp->state != DN_CR)
- return -EINVAL;
+ case DSO_CONREJECT:
+ if (scp->state != DN_CR)
+ return -EINVAL;
- scp->state = DN_DR;
- sk->sk_shutdown = SHUTDOWN_MASK;
- dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
- break;
+ scp->state = DN_DR;
+ sk->sk_shutdown = SHUTDOWN_MASK;
+ dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
+ break;
- default:
+ default:
#ifdef CONFIG_NETFILTER
return nf_setsockopt(sk, PF_DECnet, optname, optval, optlen);
#endif
- case DSO_LINKINFO:
- case DSO_STREAM:
- case DSO_SEQPACKET:
- return -ENOPROTOOPT;
-
- case DSO_MAXWINDOW:
- if (optlen != sizeof(unsigned long))
- return -EINVAL;
- if (u.win > NSP_MAX_WINDOW)
- u.win = NSP_MAX_WINDOW;
- if (u.win == 0)
- return -EINVAL;
- scp->max_window = u.win;
- if (scp->snd_window > u.win)
- scp->snd_window = u.win;
- break;
+ case DSO_LINKINFO:
+ case DSO_STREAM:
+ case DSO_SEQPACKET:
+ return -ENOPROTOOPT;
+
+ case DSO_MAXWINDOW:
+ if (optlen != sizeof(unsigned long))
+ return -EINVAL;
+ if (u.win > NSP_MAX_WINDOW)
+ u.win = NSP_MAX_WINDOW;
+ if (u.win == 0)
+ return -EINVAL;
+ scp->max_window = u.win;
+ if (scp->snd_window > u.win)
+ scp->snd_window = u.win;
+ break;
- case DSO_NODELAY:
- if (optlen != sizeof(int))
- return -EINVAL;
- if (scp->nonagle == 2)
- return -EINVAL;
- scp->nonagle = (u.val == 0) ? 0 : 1;
- /* if (scp->nonagle == 1) { Push pending frames } */
- break;
+ case DSO_NODELAY:
+ if (optlen != sizeof(int))
+ return -EINVAL;
+ if (scp->nonagle == 2)
+ return -EINVAL;
+ scp->nonagle = (u.val == 0) ? 0 : 1;
+ /* if (scp->nonagle == 1) { Push pending frames } */
+ break;
- case DSO_CORK:
- if (optlen != sizeof(int))
- return -EINVAL;
- if (scp->nonagle == 1)
- return -EINVAL;
- scp->nonagle = (u.val == 0) ? 0 : 2;
- /* if (scp->nonagle == 0) { Push pending frames } */
- break;
+ case DSO_CORK:
+ if (optlen != sizeof(int))
+ return -EINVAL;
+ if (scp->nonagle == 1)
+ return -EINVAL;
+ scp->nonagle = (u.val == 0) ? 0 : 2;
+ /* if (scp->nonagle == 0) { Push pending frames } */
+ break;
- case DSO_SERVICES:
- if (optlen != sizeof(unsigned char))
- return -EINVAL;
- if ((u.services & ~NSP_FC_MASK) != 0x01)
- return -EINVAL;
- if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
- return -EINVAL;
- scp->services_loc = u.services;
- break;
+ case DSO_SERVICES:
+ if (optlen != sizeof(unsigned char))
+ return -EINVAL;
+ if ((u.services & ~NSP_FC_MASK) != 0x01)
+ return -EINVAL;
+ if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
+ return -EINVAL;
+ scp->services_loc = u.services;
+ break;
- case DSO_INFO:
- if (optlen != sizeof(unsigned char))
- return -EINVAL;
- if (u.info & 0xfc)
- return -EINVAL;
- scp->info_loc = u.info;
- break;
+ case DSO_INFO:
+ if (optlen != sizeof(unsigned char))
+ return -EINVAL;
+ if (u.info & 0xfc)
+ return -EINVAL;
+ scp->info_loc = u.info;
+ break;
}
return 0;
@@ -1527,107 +1527,106 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
if(get_user(r_len , optlen))
return -EFAULT;
- switch(optname) {
- case DSO_CONDATA:
- if (r_len > sizeof(struct optdata_dn))
- r_len = sizeof(struct optdata_dn);
- r_data = &scp->conndata_in;
- break;
-
- case DSO_DISDATA:
- if (r_len > sizeof(struct optdata_dn))
- r_len = sizeof(struct optdata_dn);
- r_data = &scp->discdata_in;
- break;
+ switch (optname) {
+ case DSO_CONDATA:
+ if (r_len > sizeof(struct optdata_dn))
+ r_len = sizeof(struct optdata_dn);
+ r_data = &scp->conndata_in;
+ break;
- case DSO_CONACCESS:
- if (r_len > sizeof(struct accessdata_dn))
- r_len = sizeof(struct accessdata_dn);
- r_data = &scp->accessdata;
- break;
+ case DSO_DISDATA:
+ if (r_len > sizeof(struct optdata_dn))
+ r_len = sizeof(struct optdata_dn);
+ r_data = &scp->discdata_in;
+ break;
- case DSO_ACCEPTMODE:
- if (r_len > sizeof(unsigned char))
- r_len = sizeof(unsigned char);
- r_data = &scp->accept_mode;
- break;
+ case DSO_CONACCESS:
+ if (r_len > sizeof(struct accessdata_dn))
+ r_len = sizeof(struct accessdata_dn);
+ r_data = &scp->accessdata;
+ break;
- case DSO_LINKINFO:
- if (r_len > sizeof(struct linkinfo_dn))
- r_len = sizeof(struct linkinfo_dn);
+ case DSO_ACCEPTMODE:
+ if (r_len > sizeof(unsigned char))
+ r_len = sizeof(unsigned char);
+ r_data = &scp->accept_mode;
+ break;
- memset(&link, 0, sizeof(link));
+ case DSO_LINKINFO:
+ if (r_len > sizeof(struct linkinfo_dn))
+ r_len = sizeof(struct linkinfo_dn);
- switch(sock->state) {
- case SS_CONNECTING:
- link.idn_linkstate = LL_CONNECTING;
- break;
- case SS_DISCONNECTING:
- link.idn_linkstate = LL_DISCONNECTING;
- break;
- case SS_CONNECTED:
- link.idn_linkstate = LL_RUNNING;
- break;
- default:
- link.idn_linkstate = LL_INACTIVE;
- }
+ memset(&link, 0, sizeof(link));
- link.idn_segsize = scp->segsize_rem;
- r_data = &link;
+ switch (sock->state) {
+ case SS_CONNECTING:
+ link.idn_linkstate = LL_CONNECTING;
+ break;
+ case SS_DISCONNECTING:
+ link.idn_linkstate = LL_DISCONNECTING;
+ break;
+ case SS_CONNECTED:
+ link.idn_linkstate = LL_RUNNING;
break;
-
default:
+ link.idn_linkstate = LL_INACTIVE;
+ }
+
+ link.idn_segsize = scp->segsize_rem;
+ r_data = &link;
+ break;
+
+ default:
#ifdef CONFIG_NETFILTER
- {
- int ret, len;
+ {
+ int ret, len;
- if(get_user(len, optlen))
- return -EFAULT;
+ if (get_user(len, optlen))
+ return -EFAULT;
- ret = nf_getsockopt(sk, PF_DECnet, optname,
- optval, &len);
- if (ret >= 0)
- ret = put_user(len, optlen);
- return ret;
- }
+ ret = nf_getsockopt(sk, PF_DECnet, optname, optval, &len);
+ if (ret >= 0)
+ ret = put_user(len, optlen);
+ return ret;
+ }
#endif
- case DSO_STREAM:
- case DSO_SEQPACKET:
- case DSO_CONACCEPT:
- case DSO_CONREJECT:
- return -ENOPROTOOPT;
-
- case DSO_MAXWINDOW:
- if (r_len > sizeof(unsigned long))
- r_len = sizeof(unsigned long);
- r_data = &scp->max_window;
- break;
+ case DSO_STREAM:
+ case DSO_SEQPACKET:
+ case DSO_CONACCEPT:
+ case DSO_CONREJECT:
+ return -ENOPROTOOPT;
+
+ case DSO_MAXWINDOW:
+ if (r_len > sizeof(unsigned long))
+ r_len = sizeof(unsigned long);
+ r_data = &scp->max_window;
+ break;
- case DSO_NODELAY:
- if (r_len > sizeof(int))
- r_len = sizeof(int);
- val = (scp->nonagle == 1);
- r_data = &val;
- break;
+ case DSO_NODELAY:
+ if (r_len > sizeof(int))
+ r_len = sizeof(int);
+ val = (scp->nonagle == 1);
+ r_data = &val;
+ break;
- case DSO_CORK:
- if (r_len > sizeof(int))
- r_len = sizeof(int);
- val = (scp->nonagle == 2);
- r_data = &val;
- break;
+ case DSO_CORK:
+ if (r_len > sizeof(int))
+ r_len = sizeof(int);
+ val = (scp->nonagle == 2);
+ r_data = &val;
+ break;
- case DSO_SERVICES:
- if (r_len > sizeof(unsigned char))
- r_len = sizeof(unsigned char);
- r_data = &scp->services_rem;
- break;
+ case DSO_SERVICES:
+ if (r_len > sizeof(unsigned char))
+ r_len = sizeof(unsigned char);
+ r_data = &scp->services_rem;
+ break;
- case DSO_INFO:
- if (r_len > sizeof(unsigned char))
- r_len = sizeof(unsigned char);
- r_data = &scp->info_rem;
- break;
+ case DSO_INFO:
+ if (r_len > sizeof(unsigned char))
+ r_len = sizeof(unsigned char);
+ r_data = &scp->info_rem;
+ break;
}
if (r_data) {
@@ -2088,15 +2087,15 @@ static int dn_device_event(struct notifier_block *this, unsigned long event,
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
- switch(event) {
- case NETDEV_UP:
- dn_dev_up(dev);
- break;
- case NETDEV_DOWN:
- dn_dev_down(dev);
- break;
- default:
- break;
+ switch (event) {
+ case NETDEV_UP:
+ dn_dev_up(dev);
+ break;
+ case NETDEV_DOWN:
+ dn_dev_down(dev);
+ break;
+ default:
+ break;
}
return NOTIFY_DONE;
@@ -2209,54 +2208,54 @@ static void dn_printable_object(struct sockaddr_dn *dn, unsigned char *buf)
int i;
switch (le16_to_cpu(dn->sdn_objnamel)) {
- case 0:
- sprintf(buf, "%d", dn->sdn_objnum);
- break;
- default:
- for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
- buf[i] = dn->sdn_objname[i];
- if (IS_NOT_PRINTABLE(buf[i]))
- buf[i] = '.';
- }
- buf[i] = 0;
+ case 0:
+ sprintf(buf, "%d", dn->sdn_objnum);
+ break;
+ default:
+ for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
+ buf[i] = dn->sdn_objname[i];
+ if (IS_NOT_PRINTABLE(buf[i]))
+ buf[i] = '.';
+ }
+ buf[i] = 0;
}
}
static char *dn_state2asc(unsigned char state)
{
- switch(state) {
- case DN_O:
- return "OPEN";
- case DN_CR:
- return " CR";
- case DN_DR:
- return " DR";
- case DN_DRC:
- return " DRC";
- case DN_CC:
- return " CC";
- case DN_CI:
- return " CI";
- case DN_NR:
- return " NR";
- case DN_NC:
- return " NC";
- case DN_CD:
- return " CD";
- case DN_RJ:
- return " RJ";
- case DN_RUN:
- return " RUN";
- case DN_DI:
- return " DI";
- case DN_DIC:
- return " DIC";
- case DN_DN:
- return " DN";
- case DN_CL:
- return " CL";
- case DN_CN:
- return " CN";
+ switch (state) {
+ case DN_O:
+ return "OPEN";
+ case DN_CR:
+ return " CR";
+ case DN_DR:
+ return " DR";
+ case DN_DRC:
+ return " DRC";
+ case DN_CC:
+ return " CC";
+ case DN_CI:
+ return " CI";
+ case DN_NR:
+ return " NR";
+ case DN_NC:
+ return " NC";
+ case DN_CD:
+ return " CD";
+ case DN_RJ:
+ return " RJ";
+ case DN_RUN:
+ return " RUN";
+ case DN_DI:
+ return " DI";
+ case DN_DIC:
+ return " DIC";
+ case DN_DN:
+ return " DN";
+ case DN_CL:
+ return " CL";
+ case DN_CN:
+ return " CN";
}
return "????";
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index cf26ac74a18..ba4faceec40 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -437,17 +437,17 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
dev_load(&init_net, ifr->ifr_name);
- switch(cmd) {
- case SIOCGIFADDR:
- break;
- case SIOCSIFADDR:
- if (!capable(CAP_NET_ADMIN))
- return -EACCES;
- if (sdn->sdn_family != AF_DECnet)
- return -EINVAL;
- break;
- default:
+ switch (cmd) {
+ case SIOCGIFADDR:
+ break;
+ case SIOCSIFADDR:
+ if (!capable(CAP_NET_ADMIN))
+ return -EACCES;
+ if (sdn->sdn_family != AF_DECnet)
return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
}
rtnl_lock();
@@ -470,27 +470,27 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
goto done;
}
- switch(cmd) {
- case SIOCGIFADDR:
- *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
- goto rarok;
-
- case SIOCSIFADDR:
- if (!ifa) {
- if ((ifa = dn_dev_alloc_ifa()) == NULL) {
- ret = -ENOBUFS;
- break;
- }
- memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
- } else {
- if (ifa->ifa_local == dn_saddr2dn(sdn))
- break;
- dn_dev_del_ifa(dn_db, ifap, 0);
+ switch (cmd) {
+ case SIOCGIFADDR:
+ *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
+ goto rarok;
+
+ case SIOCSIFADDR:
+ if (!ifa) {
+ if ((ifa = dn_dev_alloc_ifa()) == NULL) {
+ ret = -ENOBUFS;
+ break;
}
+ memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
+ } else {
+ if (ifa->ifa_local == dn_saddr2dn(sdn))
+ break;
+ dn_dev_del_ifa(dn_db, ifap, 0);
+ }
- ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
+ ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
- ret = dn_dev_set_ifa(dev, ifa);
+ ret = dn_dev_set_ifa(dev, ifa);
}
done:
rtnl_unlock();
@@ -1313,7 +1313,7 @@ static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
++*pos;
- dev = (struct net_device *)v;
+ dev = v;
if (v == SEQ_START_TOKEN)
dev = net_device_entry(&init_net.dev_base_head);
@@ -1335,13 +1335,13 @@ static void dn_dev_seq_stop(struct seq_file *seq, void *v)
static char *dn_type2asc(char type)
{
- switch(type) {
- case DN_DEV_BCAST:
- return "B";
- case DN_DEV_UCAST:
- return "U";
- case DN_DEV_MPOINT:
- return "M";
+ switch (type) {
+ case DN_DEV_BCAST:
+ return "B";
+ case DN_DEV_UCAST:
+ return "U";
+ case DN_DEV_MPOINT:
+ return "M";
}
return "?";
@@ -1414,9 +1414,9 @@ void __init dn_dev_init(void)
dn_dev_devices_on();
- rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL);
- rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL);
- rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr);
+ rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL, NULL);
+ rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL, NULL);
+ rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr, NULL);
proc_net_fops_create(&init_net, "decnet_dev", S_IRUGO, &dn_dev_seq_fops);
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 1c74ed36ce8..2bd8e53d777 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -414,33 +414,34 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn
res->fi = fi;
- switch(type) {
- case RTN_NAT:
- DN_FIB_RES_RESET(*res);
+ switch (type) {
+ case RTN_NAT:
+ DN_FIB_RES_RESET(*res);
+ atomic_inc(&fi->fib_clntref);
+ return 0;
+ case RTN_UNICAST:
+ case RTN_LOCAL:
+ for_nexthops(fi) {
+ if (nh->nh_flags & RTNH_F_DEAD)
+ continue;
+ if (!fld->flowidn_oif ||
+ fld->flowidn_oif == nh->nh_oif)
+ break;
+ }
+ if (nhsel < fi->fib_nhs) {
+ res->nh_sel = nhsel;
atomic_inc(&fi->fib_clntref);
return 0;
- case RTN_UNICAST:
- case RTN_LOCAL:
- for_nexthops(fi) {
- if (nh->nh_flags & RTNH_F_DEAD)
- continue;
- if (!fld->flowidn_oif ||
- fld->flowidn_oif == nh->nh_oif)
- break;
- }
- if (nhsel < fi->fib_nhs) {
- res->nh_sel = nhsel;
- atomic_inc(&fi->fib_clntref);
- return 0;
- }
- endfor_nexthops(fi);
- res->fi = NULL;
- return 1;
- default:
- if (net_ratelimit())
- printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n", type);
- res->fi = NULL;
- return -EINVAL;
+ }
+ endfor_nexthops(fi);
+ res->fi = NULL;
+ return 1;
+ default:
+ if (net_ratelimit())
+ printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
+ type);
+ res->fi = NULL;
+ return -EINVAL;
}
}
return err;
@@ -647,20 +648,20 @@ static int dn_fib_dnaddr_event(struct notifier_block *this, unsigned long event,
{
struct dn_ifaddr *ifa = (struct dn_ifaddr *)ptr;
- switch(event) {
- case NETDEV_UP:
- dn_fib_add_ifaddr(ifa);
- dn_fib_sync_up(ifa->ifa_dev->dev);
+ switch (event) {
+ case NETDEV_UP:
+ dn_fib_add_ifaddr(ifa);
+ dn_fib_sync_up(ifa->ifa_dev->dev);
+ dn_rt_cache_flush(-1);
+ break;
+ case NETDEV_DOWN:
+ dn_fib_del_ifaddr(ifa);
+ if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
+ dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
+ } else {
dn_rt_cache_flush(-1);
- break;
- case NETDEV_DOWN:
- dn_fib_del_ifaddr(ifa);
- if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
- dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
- } else {
- dn_rt_cache_flush(-1);
- }
- break;
+ }
+ break;
}
return NOTIFY_DONE;
}
@@ -763,8 +764,8 @@ void __init dn_fib_init(void)
register_dnaddr_notifier(&dn_fib_dnaddr_notifier);
- rtnl_register(PF_DECnet, RTM_NEWROUTE, dn_fib_rtm_newroute, NULL);
- rtnl_register(PF_DECnet, RTM_DELROUTE, dn_fib_rtm_delroute, NULL);
+ rtnl_register(PF_DECnet, RTM_NEWROUTE, dn_fib_rtm_newroute, NULL, NULL);
+ rtnl_register(PF_DECnet, RTM_DELROUTE, dn_fib_rtm_delroute, NULL, NULL);
}
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 602dade7e9a..0dc3fe61085 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -51,9 +51,9 @@
static int dn_neigh_construct(struct neighbour *);
static void dn_long_error_report(struct neighbour *, struct sk_buff *);
static void dn_short_error_report(struct neighbour *, struct sk_buff *);
-static int dn_long_output(struct sk_buff *);
-static int dn_short_output(struct sk_buff *);
-static int dn_phase3_output(struct sk_buff *);
+static int dn_long_output(struct neighbour *, struct sk_buff *);
+static int dn_short_output(struct neighbour *, struct sk_buff *);
+static int dn_phase3_output(struct neighbour *, struct sk_buff *);
/*
@@ -64,8 +64,6 @@ static const struct neigh_ops dn_long_ops = {
.error_report = dn_long_error_report,
.output = dn_long_output,
.connected_output = dn_long_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
/*
@@ -76,8 +74,6 @@ static const struct neigh_ops dn_short_ops = {
.error_report = dn_short_error_report,
.output = dn_short_output,
.connected_output = dn_short_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
/*
@@ -88,8 +84,6 @@ static const struct neigh_ops dn_phase3_ops = {
.error_report = dn_short_error_report, /* Can use short version here */
.output = dn_phase3_output,
.connected_output = dn_phase3_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit
};
static u32 dn_neigh_hash(const void *pkey,
@@ -208,14 +202,14 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct dn_route *rt = (struct dn_route *)dst;
- struct neighbour *neigh = dst->neighbour;
+ struct neighbour *neigh = dst_get_neighbour(dst);
struct net_device *dev = neigh->dev;
char mac_addr[ETH_ALEN];
dn_dn2eth(mac_addr, rt->rt_local_src);
if (dev_hard_header(skb, dev, ntohs(skb->protocol), neigh->ha,
mac_addr, skb->len) >= 0)
- return neigh->ops->queue_xmit(skb);
+ return dev_queue_xmit(skb);
if (net_ratelimit())
printk(KERN_DEBUG "dn_neigh_output_packet: oops, can't send packet\n");
@@ -224,10 +218,8 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
return -EINVAL;
}
-static int dn_long_output(struct sk_buff *skb)
+static int dn_long_output(struct neighbour *neigh, struct sk_buff *skb)
{
- struct dst_entry *dst = skb_dst(skb);
- struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_long_packet) + 3;
unsigned char *data;
@@ -271,10 +263,8 @@ static int dn_long_output(struct sk_buff *skb)
neigh->dev, dn_neigh_output_packet);
}
-static int dn_short_output(struct sk_buff *skb)
+static int dn_short_output(struct neighbour *neigh, struct sk_buff *skb)
{
- struct dst_entry *dst = skb_dst(skb);
- struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
struct dn_short_packet *sp;
@@ -315,10 +305,8 @@ static int dn_short_output(struct sk_buff *skb)
* Phase 3 output is the same is short output, execpt that
* it clears the area bits before transmission.
*/
-static int dn_phase3_output(struct sk_buff *skb)
+static int dn_phase3_output(struct neighbour *neigh, struct sk_buff *skb)
{
- struct dst_entry *dst = skb_dst(skb);
- struct neighbour *neigh = dst->neighbour;
struct net_device *dev = neigh->dev;
int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
struct dn_short_packet *sp;
@@ -404,13 +392,13 @@ int dn_neigh_router_hello(struct sk_buff *skb)
dn->flags &= ~DN_NDFLAG_P3;
- switch(msg->iinfo & DN_RT_INFO_TYPE) {
- case DN_RT_INFO_L1RT:
- dn->flags &=~DN_NDFLAG_R2;
- dn->flags |= DN_NDFLAG_R1;
- break;
- case DN_RT_INFO_L2RT:
- dn->flags |= DN_NDFLAG_R2;
+ switch (msg->iinfo & DN_RT_INFO_TYPE) {
+ case DN_RT_INFO_L1RT:
+ dn->flags &=~DN_NDFLAG_R2;
+ dn->flags |= DN_NDFLAG_R1;
+ break;
+ case DN_RT_INFO_L2RT:
+ dn->flags |= DN_NDFLAG_R2;
}
}
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index b430549e2b9..73fa268fe2e 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -101,23 +101,27 @@ static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack)
unsigned short type = ((ack >> 12) & 0x0003);
int wakeup = 0;
- switch(type) {
- case 0: /* ACK - Data */
- if (dn_after(ack, scp->ackrcv_dat)) {
- scp->ackrcv_dat = ack & 0x0fff;
- wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->data_xmit_queue, ack);
- }
- break;
- case 1: /* NAK - Data */
- break;
- case 2: /* ACK - OtherData */
- if (dn_after(ack, scp->ackrcv_oth)) {
- scp->ackrcv_oth = ack & 0x0fff;
- wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->other_xmit_queue, ack);
- }
- break;
- case 3: /* NAK - OtherData */
- break;
+ switch (type) {
+ case 0: /* ACK - Data */
+ if (dn_after(ack, scp->ackrcv_dat)) {
+ scp->ackrcv_dat = ack & 0x0fff;
+ wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+ &scp->data_xmit_queue,
+ ack);
+ }
+ break;
+ case 1: /* NAK - Data */
+ break;
+ case 2: /* ACK - OtherData */
+ if (dn_after(ack, scp->ackrcv_oth)) {
+ scp->ackrcv_oth = ack & 0x0fff;
+ wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+ &scp->other_xmit_queue,
+ ack);
+ }
+ break;
+ case 3: /* NAK - OtherData */
+ break;
}
if (wakeup && !sock_flag(sk, SOCK_DEAD))
@@ -417,19 +421,19 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
scp->addrrem = cb->src_port;
sk->sk_state = TCP_CLOSE;
- switch(scp->state) {
- case DN_CI:
- case DN_CD:
- scp->state = DN_RJ;
- sk->sk_err = ECONNREFUSED;
- break;
- case DN_RUN:
- sk->sk_shutdown |= SHUTDOWN_MASK;
- scp->state = DN_DN;
- break;
- case DN_DI:
- scp->state = DN_DIC;
- break;
+ switch (scp->state) {
+ case DN_CI:
+ case DN_CD:
+ scp->state = DN_RJ;
+ sk->sk_err = ECONNREFUSED;
+ break;
+ case DN_RUN:
+ sk->sk_shutdown |= SHUTDOWN_MASK;
+ scp->state = DN_DN;
+ break;
+ case DN_DI:
+ scp->state = DN_DIC;
+ break;
}
if (!sock_flag(sk, SOCK_DEAD)) {
@@ -470,23 +474,23 @@ static void dn_nsp_disc_conf(struct sock *sk, struct sk_buff *skb)
sk->sk_state = TCP_CLOSE;
- switch(scp->state) {
- case DN_CI:
- scp->state = DN_NR;
- break;
- case DN_DR:
- if (reason == NSP_REASON_DC)
- scp->state = DN_DRC;
- if (reason == NSP_REASON_NL)
- scp->state = DN_CN;
- break;
- case DN_DI:
- scp->state = DN_DIC;
- break;
- case DN_RUN:
- sk->sk_shutdown |= SHUTDOWN_MASK;
- case DN_CC:
+ switch (scp->state) {
+ case DN_CI:
+ scp->state = DN_NR;
+ break;
+ case DN_DR:
+ if (reason == NSP_REASON_DC)
+ scp->state = DN_DRC;
+ if (reason == NSP_REASON_NL)
scp->state = DN_CN;
+ break;
+ case DN_DI:
+ scp->state = DN_DIC;
+ break;
+ case DN_RUN:
+ sk->sk_shutdown |= SHUTDOWN_MASK;
+ case DN_CC:
+ scp->state = DN_CN;
}
if (!sock_flag(sk, SOCK_DEAD)) {
@@ -692,16 +696,16 @@ static int dn_nsp_no_socket(struct sk_buff *skb, unsigned short reason)
goto out;
if ((reason != NSP_REASON_OK) && ((cb->nsp_flags & 0x0c) == 0x08)) {
- switch(cb->nsp_flags & 0x70) {
- case 0x10:
- case 0x60: /* (Retransmitted) Connect Init */
- dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
- ret = NET_RX_SUCCESS;
- break;
- case 0x20: /* Connect Confirm */
- dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
- ret = NET_RX_SUCCESS;
- break;
+ switch (cb->nsp_flags & 0x70) {
+ case 0x10:
+ case 0x60: /* (Retransmitted) Connect Init */
+ dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
+ ret = NET_RX_SUCCESS;
+ break;
+ case 0x20: /* Connect Confirm */
+ dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
+ ret = NET_RX_SUCCESS;
+ break;
}
}
@@ -733,17 +737,17 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
* Filter out conninits and useless packet types
*/
if ((cb->nsp_flags & 0x0c) == 0x08) {
- switch(cb->nsp_flags & 0x70) {
- case 0x00: /* NOP */
- case 0x70: /* Reserved */
- case 0x50: /* Reserved, Phase II node init */
+ switch (cb->nsp_flags & 0x70) {
+ case 0x00: /* NOP */
+ case 0x70: /* Reserved */
+ case 0x50: /* Reserved, Phase II node init */
+ goto free_out;
+ case 0x10:
+ case 0x60:
+ if (unlikely(cb->rt_flags & DN_RT_F_RTS))
goto free_out;
- case 0x10:
- case 0x60:
- if (unlikely(cb->rt_flags & DN_RT_F_RTS))
- goto free_out;
- sk = dn_find_listener(skb, &reason);
- goto got_it;
+ sk = dn_find_listener(skb, &reason);
+ goto got_it;
}
}
@@ -836,20 +840,20 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
* Control packet.
*/
if ((cb->nsp_flags & 0x0c) == 0x08) {
- switch(cb->nsp_flags & 0x70) {
- case 0x10:
- case 0x60:
- dn_nsp_conn_init(sk, skb);
- break;
- case 0x20:
- dn_nsp_conn_conf(sk, skb);
- break;
- case 0x30:
- dn_nsp_disc_init(sk, skb);
- break;
- case 0x40:
- dn_nsp_disc_conf(sk, skb);
- break;
+ switch (cb->nsp_flags & 0x70) {
+ case 0x10:
+ case 0x60:
+ dn_nsp_conn_init(sk, skb);
+ break;
+ case 0x20:
+ dn_nsp_conn_conf(sk, skb);
+ break;
+ case 0x30:
+ dn_nsp_disc_init(sk, skb);
+ break;
+ case 0x40:
+ dn_nsp_disc_conf(sk, skb);
+ break;
}
} else if (cb->nsp_flags == 0x24) {
@@ -890,15 +894,15 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
if (scp->state != DN_RUN)
goto free_out;
- switch(cb->nsp_flags) {
- case 0x10: /* LS */
- dn_nsp_linkservice(sk, skb);
- break;
- case 0x30: /* OD */
- dn_nsp_otherdata(sk, skb);
- break;
- default:
- dn_nsp_data(sk, skb);
+ switch (cb->nsp_flags) {
+ case 0x10: /* LS */
+ dn_nsp_linkservice(sk, skb);
+ break;
+ case 0x30: /* OD */
+ dn_nsp_otherdata(sk, skb);
+ break;
+ default:
+ dn_nsp_data(sk, skb);
}
} else { /* Ack, chuck it out here */
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 74544bc6fde..43450c10022 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -116,6 +116,7 @@ static void dn_dst_destroy(struct dst_entry *);
static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
static void dn_dst_link_failure(struct sk_buff *);
static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu);
+static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr);
static int dn_route_input(struct sk_buff *);
static void dn_run_flush(unsigned long dummy);
@@ -139,6 +140,7 @@ static struct dst_ops dn_dst_ops = {
.negative_advice = dn_dst_negative_advice,
.link_failure = dn_dst_link_failure,
.update_pmtu = dn_dst_update_pmtu,
+ .neigh_lookup = dn_dst_neigh_lookup,
};
static void dn_dst_destroy(struct dst_entry *dst)
@@ -241,9 +243,11 @@ static int dn_dst_gc(struct dst_ops *ops)
*/
static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu)
{
+ struct neighbour *n = dst_get_neighbour(dst);
u32 min_mtu = 230;
- struct dn_dev *dn = dst->neighbour ?
- rcu_dereference_raw(dst->neighbour->dev->dn_ptr) : NULL;
+ struct dn_dev *dn;
+
+ dn = n ? rcu_dereference_raw(n->dev->dn_ptr) : NULL;
if (dn && dn->use_long == 0)
min_mtu -= 6;
@@ -495,11 +499,11 @@ static int dn_route_rx_packet(struct sk_buff *skb)
}
if ((skb->pkt_type == PACKET_HOST) && (cb->rt_flags & DN_RT_F_RQR)) {
- switch(cb->rt_flags & DN_RT_PKT_MSK) {
- case DN_RT_PKT_SHORT:
- return dn_return_short(skb);
- case DN_RT_PKT_LONG:
- return dn_return_long(skb);
+ switch (cb->rt_flags & DN_RT_PKT_MSK) {
+ case DN_RT_PKT_SHORT:
+ return dn_return_short(skb);
+ case DN_RT_PKT_LONG:
+ return dn_return_long(skb);
}
}
@@ -652,38 +656,38 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
if (unlikely(skb_linearize(skb)))
goto dump_it;
- switch(flags & DN_RT_CNTL_MSK) {
- case DN_RT_PKT_INIT:
- dn_dev_init_pkt(skb);
- break;
- case DN_RT_PKT_VERI:
- dn_dev_veri_pkt(skb);
- break;
+ switch (flags & DN_RT_CNTL_MSK) {
+ case DN_RT_PKT_INIT:
+ dn_dev_init_pkt(skb);
+ break;
+ case DN_RT_PKT_VERI:
+ dn_dev_veri_pkt(skb);
+ break;
}
if (dn->parms.state != DN_DEV_S_RU)
goto dump_it;
- switch(flags & DN_RT_CNTL_MSK) {
- case DN_RT_PKT_HELO:
- return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
- skb, skb->dev, NULL,
- dn_route_ptp_hello);
-
- case DN_RT_PKT_L1RT:
- case DN_RT_PKT_L2RT:
- return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
- skb, skb->dev, NULL,
- dn_route_discard);
- case DN_RT_PKT_ERTH:
- return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
- skb, skb->dev, NULL,
- dn_neigh_router_hello);
-
- case DN_RT_PKT_EEDH:
- return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
- skb, skb->dev, NULL,
- dn_neigh_endnode_hello);
+ switch (flags & DN_RT_CNTL_MSK) {
+ case DN_RT_PKT_HELO:
+ return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+ skb, skb->dev, NULL,
+ dn_route_ptp_hello);
+
+ case DN_RT_PKT_L1RT:
+ case DN_RT_PKT_L2RT:
+ return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
+ skb, skb->dev, NULL,
+ dn_route_discard);
+ case DN_RT_PKT_ERTH:
+ return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+ skb, skb->dev, NULL,
+ dn_neigh_router_hello);
+
+ case DN_RT_PKT_EEDH:
+ return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+ skb, skb->dev, NULL,
+ dn_neigh_endnode_hello);
}
} else {
if (dn->parms.state != DN_DEV_S_RU)
@@ -691,11 +695,11 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
skb_pull(skb, 1); /* Pull flags */
- switch(flags & DN_RT_PKT_MSK) {
- case DN_RT_PKT_LONG:
- return dn_route_rx_long(skb);
- case DN_RT_PKT_SHORT:
- return dn_route_rx_short(skb);
+ switch (flags & DN_RT_PKT_MSK) {
+ case DN_RT_PKT_LONG:
+ return dn_route_rx_long(skb);
+ case DN_RT_PKT_SHORT:
+ return dn_route_rx_short(skb);
}
}
@@ -705,6 +709,14 @@ out:
return NET_RX_DROP;
}
+static int dn_to_neigh_output(struct sk_buff *skb)
+{
+ struct dst_entry *dst = skb_dst(skb);
+ struct neighbour *n = dst_get_neighbour(dst);
+
+ return n->output(n, skb);
+}
+
static int dn_output(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
@@ -715,7 +727,7 @@ static int dn_output(struct sk_buff *skb)
int err = -EINVAL;
- if ((neigh = dst->neighbour) == NULL)
+ if ((neigh = dst_get_neighbour(dst)) == NULL)
goto error;
skb->dev = dev;
@@ -733,7 +745,7 @@ static int dn_output(struct sk_buff *skb)
cb->hops = 0;
return NF_HOOK(NFPROTO_DECNET, NF_DN_LOCAL_OUT, skb, NULL, dev,
- neigh->output);
+ dn_to_neigh_output);
error:
if (net_ratelimit())
@@ -750,7 +762,6 @@ static int dn_forward(struct sk_buff *skb)
struct dst_entry *dst = skb_dst(skb);
struct dn_dev *dn_db = rcu_dereference(dst->dev->dn_ptr);
struct dn_route *rt;
- struct neighbour *neigh = dst->neighbour;
int header_len;
#ifdef CONFIG_NETFILTER
struct net_device *dev = skb->dev;
@@ -783,7 +794,7 @@ static int dn_forward(struct sk_buff *skb)
cb->rt_flags |= DN_RT_F_IE;
return NF_HOOK(NFPROTO_DECNET, NF_DN_FORWARD, skb, dev, skb->dev,
- neigh->output);
+ dn_to_neigh_output);
drop:
kfree_skb(skb);
@@ -818,6 +829,11 @@ static unsigned int dn_dst_default_mtu(const struct dst_entry *dst)
return dst->dev->mtu;
}
+static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ return __neigh_lookup_errno(&dn_neigh_table, daddr, dst->dev);
+}
+
static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
{
struct dn_fib_info *fi = res->fi;
@@ -833,11 +849,11 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
}
rt->rt_type = res->type;
- if (dev != NULL && rt->dst.neighbour == NULL) {
+ if (dev != NULL && dst_get_neighbour(&rt->dst) == NULL) {
n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev);
if (IS_ERR(n))
return PTR_ERR(n);
- rt->dst.neighbour = n;
+ dst_set_neighbour(&rt->dst, n);
}
if (dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu)
@@ -1144,7 +1160,7 @@ make_route:
rt->rt_dst_map = fld.daddr;
rt->rt_src_map = fld.saddr;
- rt->dst.neighbour = neigh;
+ dst_set_neighbour(&rt->dst, neigh);
neigh = NULL;
rt->dst.lastuse = jiffies;
@@ -1416,23 +1432,23 @@ make_route:
rt->fld.flowidn_iif = in_dev->ifindex;
rt->fld.flowidn_mark = fld.flowidn_mark;
- rt->dst.neighbour = neigh;
+ dst_set_neighbour(&rt->dst, neigh);
rt->dst.lastuse = jiffies;
rt->dst.output = dn_rt_bug;
- switch(res.type) {
- case RTN_UNICAST:
- rt->dst.input = dn_forward;
- break;
- case RTN_LOCAL:
- rt->dst.output = dn_output;
- rt->dst.input = dn_nsp_rx;
- rt->dst.dev = in_dev;
- flags |= RTCF_LOCAL;
- break;
- default:
- case RTN_UNREACHABLE:
- case RTN_BLACKHOLE:
- rt->dst.input = dst_discard;
+ switch (res.type) {
+ case RTN_UNICAST:
+ rt->dst.input = dn_forward;
+ break;
+ case RTN_LOCAL:
+ rt->dst.output = dn_output;
+ rt->dst.input = dn_nsp_rx;
+ rt->dst.dev = in_dev;
+ flags |= RTCF_LOCAL;
+ break;
+ default:
+ case RTN_UNREACHABLE:
+ case RTN_BLACKHOLE:
+ rt->dst.input = dst_discard;
}
rt->rt_flags = flags;
@@ -1841,10 +1857,11 @@ void __init dn_route_init(void)
proc_net_fops_create(&init_net, "decnet_cache", S_IRUGO, &dn_rt_cache_seq_fops);
#ifdef CONFIG_DECNET_ROUTER
- rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute, dn_fib_dump);
+ rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
+ dn_fib_dump, NULL);
#else
rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
- dn_cache_dump);
+ dn_cache_dump, NULL);
#endif
}
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index bd0a52dd1d4..cd0354e9bdb 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -147,17 +147,18 @@ static void dn_rehash_zone(struct dn_zone *dz)
old_divisor = dz->dz_divisor;
- switch(old_divisor) {
- case 16:
- new_divisor = 256;
- new_hashmask = 0xFF;
- break;
- default:
- printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n", old_divisor);
- case 256:
- new_divisor = 1024;
- new_hashmask = 0x3FF;
- break;
+ switch (old_divisor) {
+ case 16:
+ new_divisor = 256;
+ new_hashmask = 0xFF;
+ break;
+ default:
+ printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n",
+ old_divisor);
+ case 256:
+ new_divisor = 1024;
+ new_hashmask = 0x3FF;
+ break;
}
ht = kcalloc(new_divisor, sizeof(struct dn_fib_node*), GFP_KERNEL);
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 64a7f39e069..69975e0bcde 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -69,15 +69,15 @@ static void dnrmg_send_peer(struct sk_buff *skb)
int group = 0;
unsigned char flags = *skb->data;
- switch(flags & DN_RT_CNTL_MSK) {
- case DN_RT_PKT_L1RT:
- group = DNRNG_NLGRP_L1;
- break;
- case DN_RT_PKT_L2RT:
- group = DNRNG_NLGRP_L2;
- break;
- default:
- return;
+ switch (flags & DN_RT_CNTL_MSK) {
+ case DN_RT_PKT_L1RT:
+ group = DNRNG_NLGRP_L1;
+ break;
+ case DN_RT_PKT_L2RT:
+ group = DNRNG_NLGRP_L2;
+ break;
+ default:
+ return;
}
skb2 = dnrmg_build_message(skb, &status);
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 28f8b5e5f73..02e75d11cfb 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -68,14 +68,15 @@ static struct ctl_table_header *dn_table_header = NULL;
static void strip_it(char *str)
{
for(;;) {
- switch(*str) {
- case ' ':
- case '\n':
- case '\r':
- case ':':
- *str = 0;
- case 0:
- return;
+ switch (*str) {
+ case ' ':
+ case '\n':
+ case '\r':
+ case ':':
+ *str = 0;
+ /* Fallthrough */
+ case 0:
+ return;
}
str++;
}
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index 45f7411e90b..9bd1061fa4e 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -118,10 +118,14 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0);
/*
- * Disable cascade port functionality, and set the switch's
+ * Disable cascade port functionality unless this device
+ * is used in a cascade configuration, and set the switch's
* DSA device number.
*/
- REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
+ if (ds->dst->pd->nr_chips > 1)
+ REG_WRITE(REG_GLOBAL, 0x1c, 0xf000 | (ds->index & 0x1f));
+ else
+ REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
/*
* Send all frames with destination addresses matching
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index a1d9f3787dd..1c1f26c5d67 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -9,6 +9,8 @@
*
*/
+#define pr_fmt(fmt) fmt
+
#include <linux/module.h>
#include <linux/types.h>
@@ -44,7 +46,7 @@
#include <linux/bitops.h>
#include <linux/mutex.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/system.h>
static const struct proto_ops econet_ops;
@@ -63,9 +65,7 @@ static DEFINE_SPINLOCK(aun_queue_lock);
static struct socket *udpsock;
#define AUN_PORT 0x8000
-
-struct aunhdr
-{
+struct aunhdr {
unsigned char code; /* AUN magic protocol byte */
unsigned char port;
unsigned char cb;
@@ -82,8 +82,7 @@ static struct timer_list ab_cleanup_timer;
#endif /* CONFIG_ECONET_AUNUDP */
/* Per-packet information */
-struct ec_cb
-{
+struct ec_cb {
struct sockaddr_ec sec;
unsigned long cookie; /* Supplied by user. */
#ifdef CONFIG_ECONET_AUNUDP
@@ -137,7 +136,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
* but then it will block.
*/
- skb=skb_recv_datagram(sk,flags,flags&MSG_DONTWAIT,&err);
+ skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
/*
* An error occurred so return it. Because skb_recv_datagram()
@@ -145,7 +144,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
* retries.
*/
- if(skb==NULL)
+ if (skb == NULL)
goto out;
/*
@@ -154,10 +153,9 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
*/
copied = skb->len;
- if (copied > len)
- {
- copied=len;
- msg->msg_flags|=MSG_TRUNC;
+ if (copied > len) {
+ copied = len;
+ msg->msg_flags |= MSG_TRUNC;
}
/* We can't use skb_copy_datagram here */
@@ -186,7 +184,8 @@ out:
* Bind an Econet socket.
*/
-static int econet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int econet_bind(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len)
{
struct sockaddr_ec *sec = (struct sockaddr_ec *)uaddr;
struct sock *sk;
@@ -226,9 +225,8 @@ static void tx_result(struct sock *sk, unsigned long cookie, int result)
struct ec_cb *eb;
struct sockaddr_ec *sec;
- if (skb == NULL)
- {
- printk(KERN_DEBUG "ec: memory squeeze, transmit result dropped.\n");
+ if (skb == NULL) {
+ pr_debug("econet: memory squeeze, transmit result dropped\n");
return;
}
@@ -265,7 +263,7 @@ static void ec_tx_done(struct sk_buff *skb, int result)
static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
- struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name;
+ struct sockaddr_ec *saddr = (struct sockaddr_ec *)msg->msg_name;
struct net_device *dev;
struct ec_addr addr;
int err;
@@ -298,14 +296,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
mutex_lock(&econet_mutex);
- if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
- mutex_unlock(&econet_mutex);
- return -EINVAL;
- }
- addr.station = saddr->addr.station;
- addr.net = saddr->addr.net;
- port = saddr->port;
- cb = saddr->cb;
+ if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
+ mutex_unlock(&econet_mutex);
+ return -EINVAL;
+ }
+ addr.station = saddr->addr.station;
+ addr.net = saddr->addr.net;
+ port = saddr->port;
+ cb = saddr->cb;
/* Look for a device with the right network number. */
dev = net2dev_map[addr.net];
@@ -333,9 +331,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
dev_hold(dev);
- skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
+ skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
msg->msg_flags & MSG_DONTWAIT, &err);
- if (skb==NULL)
+ if (skb == NULL)
goto out_unlock;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -355,7 +353,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
struct ec_framehdr *fh;
/* Poke in our control byte and
port number. Hack, hack. */
- fh = (struct ec_framehdr *)(skb->data);
+ fh = (struct ec_framehdr *)skb->data;
fh->cb = cb;
fh->port = port;
if (sock->type != SOCK_DGRAM) {
@@ -365,7 +363,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
}
/* Copy the data. Returns -EFAULT on error */
- err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+ err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
skb->protocol = proto;
skb->dev = dev;
skb->priority = sk->sk_priority;
@@ -385,9 +383,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
mutex_unlock(&econet_mutex);
return len;
- out_free:
+out_free:
kfree_skb(skb);
- out_unlock:
+out_unlock:
if (dev)
dev_put(dev);
#else
@@ -458,15 +456,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
goto error_free_buf;
/* Get a skbuff (no data, just holds our cb information) */
- if ((skb = sock_alloc_send_skb(sk, 0,
- msg->msg_flags & MSG_DONTWAIT,
- &err)) == NULL)
+ skb = sock_alloc_send_skb(sk, 0, msg->msg_flags & MSG_DONTWAIT, &err);
+ if (skb == NULL)
goto error_free_buf;
eb = (struct ec_cb *)&skb->cb;
eb->cookie = saddr->cookie;
- eb->timeout = (5*HZ);
+ eb->timeout = 5 * HZ;
eb->start = jiffies;
ah.handle = aun_seq;
eb->seq = (aun_seq++);
@@ -480,9 +477,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
udpmsg.msg_iovlen = 2;
udpmsg.msg_control = NULL;
udpmsg.msg_controllen = 0;
- udpmsg.msg_flags=0;
+ udpmsg.msg_flags = 0;
- oldfs = get_fs(); set_fs(KERNEL_DS); /* More privs :-) */
+ oldfs = get_fs();
+ set_fs(KERNEL_DS); /* More privs :-) */
err = sock_sendmsg(udpsock, &udpmsg, size);
set_fs(oldfs);
@@ -530,7 +528,7 @@ static int econet_getname(struct socket *sock, struct sockaddr *uaddr,
static void econet_destroy_timer(unsigned long data)
{
- struct sock *sk=(struct sock *)data;
+ struct sock *sk = (struct sock *)data;
if (!sk_has_allocations(sk)) {
sk_free(sk);
@@ -539,7 +537,7 @@ static void econet_destroy_timer(unsigned long data)
sk->sk_timer.expires = jiffies + 10 * HZ;
add_timer(&sk->sk_timer);
- printk(KERN_DEBUG "econet socket destroy delayed\n");
+ pr_debug("econet: socket destroy delayed\n");
}
/*
@@ -651,7 +649,8 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
return -EFAULT;
- if ((dev = dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
+ dev = dev_get_by_name(&init_net, ifr.ifr_name);
+ if (dev == NULL)
return -ENODEV;
sec = (struct sockaddr_ec *)&ifr.ifr_addr;
@@ -715,28 +714,26 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
* Handle generic ioctls
*/
-static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+static int econet_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg)
{
struct sock *sk = sock->sk;
void __user *argp = (void __user *)arg;
- switch(cmd) {
- case SIOCGSTAMP:
- return sock_get_timestamp(sk, argp);
+ switch (cmd) {
+ case SIOCGSTAMP:
+ return sock_get_timestamp(sk, argp);
- case SIOCGSTAMPNS:
- return sock_get_timestampns(sk, argp);
+ case SIOCGSTAMPNS:
+ return sock_get_timestampns(sk, argp);
- case SIOCSIFADDR:
- case SIOCGIFADDR:
- return ec_dev_ioctl(sock, cmd, argp);
- break;
+ case SIOCSIFADDR:
+ case SIOCGIFADDR:
+ return ec_dev_ioctl(sock, cmd, argp);
- default:
- return -ENOIOCTLCMD;
}
- /*NOTREACHED*/
- return 0;
+
+ return -ENOIOCTLCMD;
}
static const struct net_proto_family econet_family_ops = {
@@ -836,7 +833,7 @@ static void aun_send_response(__u32 addr, unsigned long seq, int code, int cb)
udpmsg.msg_namelen = sizeof(sin);
udpmsg.msg_control = NULL;
udpmsg.msg_controllen = 0;
- udpmsg.msg_flags=0;
+ udpmsg.msg_flags = 0;
kernel_sendmsg(udpsock, &udpmsg, &iov, 1, sizeof(ah));
}
@@ -859,26 +856,25 @@ static void aun_incoming(struct sk_buff *skb, struct aunhdr *ah, size_t len)
if (dst)
edev = dst->dev->ec_ptr;
- if (! edev)
+ if (!edev)
goto bad;
- if ((sk = ec_listening_socket(ah->port, stn, edev->net)) == NULL)
+ sk = ec_listening_socket(ah->port, stn, edev->net);
+ if (sk == NULL)
goto bad; /* Nobody wants it */
newskb = alloc_skb((len - sizeof(struct aunhdr) + 15) & ~15,
GFP_ATOMIC);
- if (newskb == NULL)
- {
- printk(KERN_DEBUG "AUN: memory squeeze, dropping packet.\n");
+ if (newskb == NULL) {
+ pr_debug("AUN: memory squeeze, dropping packet\n");
/* Send nack and hope sender tries again */
goto bad;
}
- memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah+1),
+ memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah + 1),
len - sizeof(struct aunhdr));
- if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port))
- {
+ if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port)) {
/* Socket is bankrupt. */
kfree_skb(newskb);
goto bad;
@@ -914,7 +910,7 @@ static void aun_tx_ack(unsigned long seq, int result)
goto foundit;
}
spin_unlock_irqrestore(&aun_queue_lock, flags);
- printk(KERN_DEBUG "AUN: unknown sequence %ld\n", seq);
+ pr_debug("AUN: unknown sequence %ld\n", seq);
return;
foundit:
@@ -939,18 +935,17 @@ static void aun_data_available(struct sock *sk, int slen)
while ((skb = skb_recv_datagram(sk, 0, 1, &err)) == NULL) {
if (err == -EAGAIN) {
- printk(KERN_ERR "AUN: no data available?!");
+ pr_err("AUN: no data available?!\n");
return;
}
- printk(KERN_DEBUG "AUN: recvfrom() error %d\n", -err);
+ pr_debug("AUN: recvfrom() error %d\n", -err);
}
data = skb_transport_header(skb) + sizeof(struct udphdr);
ah = (struct aunhdr *)data;
len = skb->len - sizeof(struct udphdr);
- switch (ah->code)
- {
+ switch (ah->code) {
case 2:
aun_incoming(skb, ah, len);
break;
@@ -961,7 +956,7 @@ static void aun_data_available(struct sock *sk, int slen)
aun_tx_ack(ah->handle, ECTYPE_TRANSMIT_NOT_LISTENING);
break;
default:
- printk(KERN_DEBUG "unknown AUN packet (type %d)\n", data[0]);
+ pr_debug("AUN: unknown packet type: %d\n", data[0]);
}
skb_free_datagram(sk, skb);
@@ -991,7 +986,7 @@ static void ab_cleanup(unsigned long h)
}
spin_unlock_irqrestore(&aun_queue_lock, flags);
- mod_timer(&ab_cleanup_timer, jiffies + (HZ*2));
+ mod_timer(&ab_cleanup_timer, jiffies + (HZ * 2));
}
static int __init aun_udp_initialise(void)
@@ -1001,7 +996,7 @@ static int __init aun_udp_initialise(void)
skb_queue_head_init(&aun_queue);
setup_timer(&ab_cleanup_timer, ab_cleanup, 0);
- ab_cleanup_timer.expires = jiffies + (HZ*2);
+ ab_cleanup_timer.expires = jiffies + (HZ * 2);
add_timer(&ab_cleanup_timer);
memset(&sin, 0, sizeof(sin));
@@ -1009,9 +1004,9 @@ static int __init aun_udp_initialise(void)
/* We can count ourselves lucky Acorn machines are too dim to
speak IPv6. :-) */
- if ((error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock)) < 0)
- {
- printk("AUN: socket error %d\n", -error);
+ error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock);
+ if (error < 0) {
+ pr_err("AUN: socket error %d\n", -error);
return error;
}
@@ -1020,10 +1015,9 @@ static int __init aun_udp_initialise(void)
from interrupts */
error = udpsock->ops->bind(udpsock, (struct sockaddr *)&sin,
- sizeof(sin));
- if (error < 0)
- {
- printk("AUN: bind error %d\n", -error);
+ sizeof(sin));
+ if (error < 0) {
+ pr_err("AUN: bind error %d\n", -error);
goto release;
}
@@ -1044,7 +1038,8 @@ release:
* Receive an Econet frame from a device.
*/
-static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int econet_rcv(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
{
struct ec_framehdr *hdr;
struct sock *sk = NULL;
@@ -1059,13 +1054,14 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
if (!edev)
goto drop;
- if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (skb == NULL)
return NET_RX_DROP;
if (!pskb_may_pull(skb, sizeof(struct ec_framehdr)))
goto drop;
- hdr = (struct ec_framehdr *) skb->data;
+ hdr = (struct ec_framehdr *)skb->data;
/* First check for encapsulated IP */
if (hdr->port == EC_PORT_IP) {
@@ -1093,8 +1089,8 @@ drop:
}
static struct packet_type econet_packet_type __read_mostly = {
- .type = cpu_to_be16(ETH_P_ECONET),
- .func = econet_rcv,
+ .type = cpu_to_be16(ETH_P_ECONET),
+ .func = econet_rcv,
};
static void econet_hw_initialise(void)
@@ -1104,9 +1100,10 @@ static void econet_hw_initialise(void)
#endif
-static int econet_notifier(struct notifier_block *this, unsigned long msg, void *data)
+static int econet_notifier(struct notifier_block *this, unsigned long msg,
+ void *data)
{
- struct net_device *dev = (struct net_device *)data;
+ struct net_device *dev = data;
struct ec_device *edev;
if (!net_eq(dev_net(dev), &init_net))
@@ -1116,8 +1113,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
case NETDEV_UNREGISTER:
/* A device has gone down - kill any data we hold for it. */
edev = dev->ec_ptr;
- if (edev)
- {
+ if (edev) {
if (net2dev_map[0] == dev)
net2dev_map[0] = NULL;
net2dev_map[edev->net] = NULL;
@@ -1131,7 +1127,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
}
static struct notifier_block econet_netdev_notifier = {
- .notifier_call =econet_notifier,
+ .notifier_call = econet_notifier,
};
static void __exit econet_proto_exit(void)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 44d2b42fda5..5cffb63f481 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -233,9 +233,8 @@ EXPORT_SYMBOL(eth_header_parse);
* @hh: destination cache entry
* Create an Ethernet header template from the neighbour.
*/
-int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
+int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type)
{
- __be16 type = hh->hh_type;
struct ethhdr *eth;
const struct net_device *dev = neigh->dev;
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index 6df6ecf4970..40e606f3788 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -302,7 +302,7 @@ static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
if (!netif_running(dev))
- return -ENODEV;
+ goto drop;
pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
#ifdef DEBUG
print_hex_dump_bytes("ieee802154_rcv ", DUMP_PREFIX_NONE, skb->data, skb->len);
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 1a3334c2609..faecf648123 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -1,5 +1,5 @@
/*
- * ZigBee socket interface
+ * IEEE 802.15.4 dgram socket interface
*
* Copyright 2007, 2008 Siemens AG
*
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index 02548b292b5..c64a38d57aa 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -24,6 +24,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/if_arp.h>
#include <net/netlink.h>
#include <net/genetlink.h>
#include <net/wpan-phy.h>
@@ -213,12 +214,37 @@ static int ieee802154_add_iface(struct sk_buff *skb,
goto nla_put_failure;
}
+ if (info->attrs[IEEE802154_ATTR_HW_ADDR] &&
+ nla_len(info->attrs[IEEE802154_ATTR_HW_ADDR]) !=
+ IEEE802154_ADDR_LEN) {
+ rc = -EINVAL;
+ goto nla_put_failure;
+ }
+
dev = phy->add_iface(phy, devname);
if (IS_ERR(dev)) {
rc = PTR_ERR(dev);
goto nla_put_failure;
}
+ if (info->attrs[IEEE802154_ATTR_HW_ADDR]) {
+ struct sockaddr addr;
+
+ addr.sa_family = ARPHRD_IEEE802154;
+ nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
+ IEEE802154_ADDR_LEN);
+
+ /*
+ * strangely enough, some callbacks (inetdev_event) from
+ * dev_set_mac_address require RTNL_LOCK
+ */
+ rtnl_lock();
+ rc = dev_set_mac_address(dev, &addr);
+ rtnl_unlock();
+ if (rc)
+ goto dev_unregister;
+ }
+
NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
@@ -228,6 +254,11 @@ static int ieee802154_add_iface(struct sk_buff *skb,
return ieee802154_nl_reply(msg, info);
+dev_unregister:
+ rtnl_lock(); /* del_iface must be called with RTNL lock */
+ phy->del_iface(phy, dev);
+ dev_put(dev);
+ rtnl_unlock();
nla_put_failure:
nlmsg_free(msg);
out_dev:
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index eae1f676f87..1b745d412cf 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -465,8 +465,10 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (addr_len < sizeof(struct sockaddr_in))
goto out;
- if (addr->sin_family != AF_INET)
+ if (addr->sin_family != AF_INET) {
+ err = -EAFNOSUPPORT;
goto out;
+ }
chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
@@ -1438,11 +1440,11 @@ EXPORT_SYMBOL_GPL(inet_ctl_sock_create);
unsigned long snmp_fold_field(void __percpu *mib[], int offt)
{
unsigned long res = 0;
- int i;
+ int i, j;
for_each_possible_cpu(i) {
- res += *(((unsigned long *) per_cpu_ptr(mib[0], i)) + offt);
- res += *(((unsigned long *) per_cpu_ptr(mib[1], i)) + offt);
+ for (j = 0; j < SNMP_ARRAY_SZ; j++)
+ res += *(((unsigned long *) per_cpu_ptr(mib[j], i)) + offt);
}
return res;
}
@@ -1456,28 +1458,19 @@ u64 snmp_fold_field64(void __percpu *mib[], int offt, size_t syncp_offset)
int cpu;
for_each_possible_cpu(cpu) {
- void *bhptr, *userptr;
+ void *bhptr;
struct u64_stats_sync *syncp;
- u64 v_bh, v_user;
+ u64 v;
unsigned int start;
- /* first mib used by softirq context, we must use _bh() accessors */
- bhptr = per_cpu_ptr(SNMP_STAT_BHPTR(mib), cpu);
+ bhptr = per_cpu_ptr(mib[0], cpu);
syncp = (struct u64_stats_sync *)(bhptr + syncp_offset);
do {
start = u64_stats_fetch_begin_bh(syncp);
- v_bh = *(((u64 *) bhptr) + offt);
+ v = *(((u64 *) bhptr) + offt);
} while (u64_stats_fetch_retry_bh(syncp, start));
- /* second mib used in USER context */
- userptr = per_cpu_ptr(SNMP_STAT_USRPTR(mib), cpu);
- syncp = (struct u64_stats_sync *)(userptr + syncp_offset);
- do {
- start = u64_stats_fetch_begin(syncp);
- v_user = *(((u64 *) userptr) + offt);
- } while (u64_stats_fetch_retry(syncp, start));
-
- res += v_bh + v_user;
+ res += v;
}
return res;
}
@@ -1489,25 +1482,28 @@ int snmp_mib_init(void __percpu *ptr[2], size_t mibsize, size_t align)
BUG_ON(ptr == NULL);
ptr[0] = __alloc_percpu(mibsize, align);
if (!ptr[0])
- goto err0;
+ return -ENOMEM;
+#if SNMP_ARRAY_SZ == 2
ptr[1] = __alloc_percpu(mibsize, align);
- if (!ptr[1])
- goto err1;
+ if (!ptr[1]) {
+ free_percpu(ptr[0]);
+ ptr[0] = NULL;
+ return -ENOMEM;
+ }
+#endif
return 0;
-err1:
- free_percpu(ptr[0]);
- ptr[0] = NULL;
-err0:
- return -ENOMEM;
}
EXPORT_SYMBOL_GPL(snmp_mib_init);
-void snmp_mib_free(void __percpu *ptr[2])
+void snmp_mib_free(void __percpu *ptr[SNMP_ARRAY_SZ])
{
+ int i;
+
BUG_ON(ptr == NULL);
- free_percpu(ptr[0]);
- free_percpu(ptr[1]);
- ptr[0] = ptr[1] = NULL;
+ for (i = 0; i < SNMP_ARRAY_SZ; i++) {
+ free_percpu(ptr[i]);
+ ptr[i] = NULL;
+ }
}
EXPORT_SYMBOL_GPL(snmp_mib_free);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 1b74d3b6437..96a164aa136 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -97,7 +97,6 @@
#include <linux/init.h>
#include <linux/net.h>
#include <linux/rcupdate.h>
-#include <linux/jhash.h>
#include <linux/slab.h>
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
@@ -139,8 +138,6 @@ static const struct neigh_ops arp_generic_ops = {
.error_report = arp_error_report,
.output = neigh_resolve_output,
.connected_output = neigh_connected_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
static const struct neigh_ops arp_hh_ops = {
@@ -149,16 +146,12 @@ static const struct neigh_ops arp_hh_ops = {
.error_report = arp_error_report,
.output = neigh_resolve_output,
.connected_output = neigh_resolve_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
static const struct neigh_ops arp_direct_ops = {
.family = AF_INET,
- .output = dev_queue_xmit,
- .connected_output = dev_queue_xmit,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
+ .output = neigh_direct_output,
+ .connected_output = neigh_direct_output,
};
static const struct neigh_ops arp_broken_ops = {
@@ -167,8 +160,6 @@ static const struct neigh_ops arp_broken_ops = {
.error_report = arp_error_report,
.output = neigh_compat_output,
.connected_output = neigh_compat_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
struct neigh_table arp_tbl = {
@@ -232,7 +223,7 @@ static u32 arp_hash(const void *pkey,
const struct net_device *dev,
__u32 hash_rnd)
{
- return jhash_2words(*(u32 *)pkey, dev->ifindex, hash_rnd);
+ return arp_hashfn(*(u32 *)pkey, dev, hash_rnd);
}
static int arp_constructor(struct neighbour *neigh)
@@ -259,7 +250,7 @@ static int arp_constructor(struct neighbour *neigh)
if (!dev->header_ops) {
neigh->nud_state = NUD_NOARP;
neigh->ops = &arp_direct_ops;
- neigh->output = neigh->ops->queue_xmit;
+ neigh->output = neigh_direct_output;
} else {
/* Good devices (checked by reading texts, but only Ethernet is
tested)
@@ -518,30 +509,6 @@ EXPORT_SYMBOL(arp_find);
/* END OF OBSOLETE FUNCTIONS */
-int arp_bind_neighbour(struct dst_entry *dst)
-{
- struct net_device *dev = dst->dev;
- struct neighbour *n = dst->neighbour;
-
- if (dev == NULL)
- return -EINVAL;
- if (n == NULL) {
- __be32 nexthop = ((struct rtable *)dst)->rt_gateway;
- if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
- nexthop = 0;
- n = __neigh_lookup_errno(
-#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
- dev->type == ARPHRD_ATM ?
- clip_tbl_hook :
-#endif
- &arp_tbl, &nexthop, dev);
- if (IS_ERR(n))
- return PTR_ERR(n);
- dst->neighbour = n;
- }
- return 0;
-}
-
/*
* Check if we can use proxy ARP for this path
*/
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 0d4a184af16..37b3c188d8b 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1833,8 +1833,8 @@ void __init devinet_init(void)
rtnl_af_register(&inet_af_ops);
- rtnl_register(PF_INET, RTM_NEWADDR, inet_rtm_newaddr, NULL);
- rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL);
- rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr);
+ rtnl_register(PF_INET, RTM_NEWADDR, inet_rtm_newaddr, NULL, NULL);
+ rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL, NULL);
+ rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr, NULL);
}
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 22524716fe7..92fc5f69f5d 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1124,9 +1124,9 @@ static struct pernet_operations fib_net_ops = {
void __init ip_fib_init(void)
{
- rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL);
- rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL);
- rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib);
+ rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
+ rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
register_pernet_subsys(&fib_net_ops);
register_netdevice_notifier(&fib_netdev_notifier);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 58c25ea5a5c..de9e2978476 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -110,9 +110,10 @@ struct leaf {
struct leaf_info {
struct hlist_node hlist;
- struct rcu_head rcu;
int plen;
+ u32 mask_plen; /* ntohl(inet_make_mask(plen)) */
struct list_head falh;
+ struct rcu_head rcu;
};
struct tnode {
@@ -451,6 +452,7 @@ static struct leaf_info *leaf_info_new(int plen)
struct leaf_info *li = kmalloc(sizeof(struct leaf_info), GFP_KERNEL);
if (li) {
li->plen = plen;
+ li->mask_plen = ntohl(inet_make_mask(plen));
INIT_LIST_HEAD(&li->falh);
}
return li;
@@ -1359,10 +1361,8 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
hlist_for_each_entry_rcu(li, node, hhead, hlist) {
struct fib_alias *fa;
- int plen = li->plen;
- __be32 mask = inet_make_mask(plen);
- if (l->key != (key & ntohl(mask)))
+ if (l->key != (key & li->mask_plen))
continue;
list_for_each_entry_rcu(fa, &li->falh, fa_list) {
@@ -1394,7 +1394,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
#ifdef CONFIG_IP_FIB_TRIE_STATS
t->stats.semantic_match_passed++;
#endif
- res->prefixlen = plen;
+ res->prefixlen = li->plen;
res->nh_sel = nhsel;
res->type = fa->fa_type;
res->scope = fa->fa_info->fib_scope;
@@ -1402,7 +1402,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
res->table = tb;
res->fa_head = &li->falh;
if (!(fib_flags & FIB_LOOKUP_NOREF))
- atomic_inc(&res->fi->fib_clntref);
+ atomic_inc(&fi->fib_clntref);
return 0;
}
}
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index c6933f2ea31..9dbe10875fb 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -16,7 +16,6 @@
#include <linux/skbuff.h>
#include <linux/in.h>
#include <linux/netdevice.h>
-#include <linux/version.h>
#include <linux/spinlock.h>
#include <net/protocol.h>
#include <net/gre.h>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 5395e45dcce..23ef31baa1a 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -380,6 +380,7 @@ static struct rtable *icmp_route_lookup(struct net *net,
struct icmp_bxm *param)
{
struct rtable *rt, *rt2;
+ struct flowi4 fl4_dec;
int err;
memset(fl4, 0, sizeof(*fl4));
@@ -408,19 +409,19 @@ static struct rtable *icmp_route_lookup(struct net *net,
} else
return rt;
- err = xfrm_decode_session_reverse(skb_in, flowi4_to_flowi(fl4), AF_INET);
+ err = xfrm_decode_session_reverse(skb_in, flowi4_to_flowi(&fl4_dec), AF_INET);
if (err)
goto relookup_failed;
- if (inet_addr_type(net, fl4->saddr) == RTN_LOCAL) {
- rt2 = __ip_route_output_key(net, fl4);
+ if (inet_addr_type(net, fl4_dec.saddr) == RTN_LOCAL) {
+ rt2 = __ip_route_output_key(net, &fl4_dec);
if (IS_ERR(rt2))
err = PTR_ERR(rt2);
} else {
struct flowi4 fl4_2 = {};
unsigned long orefdst;
- fl4_2.daddr = fl4->saddr;
+ fl4_2.daddr = fl4_dec.saddr;
rt2 = ip_route_output_key(net, &fl4_2);
if (IS_ERR(rt2)) {
err = PTR_ERR(rt2);
@@ -428,7 +429,7 @@ static struct rtable *icmp_route_lookup(struct net *net,
}
/* Ugh! */
orefdst = skb_in->_skb_refdst; /* save old refdst */
- err = ip_route_input(skb_in, fl4->daddr, fl4->saddr,
+ err = ip_route_input(skb_in, fl4_dec.daddr, fl4_dec.saddr,
RT_TOS(tos), rt2->dst.dev);
dst_release(&rt2->dst);
@@ -440,10 +441,11 @@ static struct rtable *icmp_route_lookup(struct net *net,
goto relookup_failed;
rt2 = (struct rtable *) xfrm_lookup(net, &rt2->dst,
- flowi4_to_flowi(fl4), NULL,
+ flowi4_to_flowi(&fl4_dec), NULL,
XFRM_LOOKUP_ICMP);
if (!IS_ERR(rt2)) {
dst_release(&rt->dst);
+ memcpy(fl4, &fl4_dec, sizeof(*fl4));
rt = rt2;
} else if (PTR_ERR(rt2) == -EPERM) {
if (rt)
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 3267d389843..389a2e6a17f 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -869,7 +869,7 @@ static int inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
}
return netlink_dump_start(idiagnl, skb, nlh,
- inet_diag_dump, NULL);
+ inet_diag_dump, NULL, 0);
}
return inet_diag_get_exact(skb, nlh);
diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c
index 85a0f75dae6..ef7ae6049a5 100644
--- a/net/ipv4/inet_lro.c
+++ b/net/ipv4/inet_lro.c
@@ -146,8 +146,7 @@ static __wsum lro_tcp_data_csum(struct iphdr *iph, struct tcphdr *tcph, int len)
}
static void lro_init_desc(struct net_lro_desc *lro_desc, struct sk_buff *skb,
- struct iphdr *iph, struct tcphdr *tcph,
- u16 vlan_tag, struct vlan_group *vgrp)
+ struct iphdr *iph, struct tcphdr *tcph)
{
int nr_frags;
__be32 *ptr;
@@ -173,8 +172,6 @@ static void lro_init_desc(struct net_lro_desc *lro_desc, struct sk_buff *skb,
}
lro_desc->mss = tcp_data_len;
- lro_desc->vgrp = vgrp;
- lro_desc->vlan_tag = vlan_tag;
lro_desc->active = 1;
lro_desc->data_csum = lro_tcp_data_csum(iph, tcph,
@@ -309,29 +306,17 @@ static void lro_flush(struct net_lro_mgr *lro_mgr,
skb_shinfo(lro_desc->parent)->gso_size = lro_desc->mss;
- if (lro_desc->vgrp) {
- if (lro_mgr->features & LRO_F_NAPI)
- vlan_hwaccel_receive_skb(lro_desc->parent,
- lro_desc->vgrp,
- lro_desc->vlan_tag);
- else
- vlan_hwaccel_rx(lro_desc->parent,
- lro_desc->vgrp,
- lro_desc->vlan_tag);
-
- } else {
- if (lro_mgr->features & LRO_F_NAPI)
- netif_receive_skb(lro_desc->parent);
- else
- netif_rx(lro_desc->parent);
- }
+ if (lro_mgr->features & LRO_F_NAPI)
+ netif_receive_skb(lro_desc->parent);
+ else
+ netif_rx(lro_desc->parent);
LRO_INC_STATS(lro_mgr, flushed);
lro_clear_desc(lro_desc);
}
static int __lro_proc_skb(struct net_lro_mgr *lro_mgr, struct sk_buff *skb,
- struct vlan_group *vgrp, u16 vlan_tag, void *priv)
+ void *priv)
{
struct net_lro_desc *lro_desc;
struct iphdr *iph;
@@ -360,7 +345,7 @@ static int __lro_proc_skb(struct net_lro_mgr *lro_mgr, struct sk_buff *skb,
goto out;
skb->ip_summed = lro_mgr->ip_summed_aggr;
- lro_init_desc(lro_desc, skb, iph, tcph, vlan_tag, vgrp);
+ lro_init_desc(lro_desc, skb, iph, tcph);
LRO_INC_STATS(lro_mgr, aggregated);
return 0;
}
@@ -433,8 +418,7 @@ static struct sk_buff *lro_gen_skb(struct net_lro_mgr *lro_mgr,
static struct sk_buff *__lro_proc_segment(struct net_lro_mgr *lro_mgr,
struct skb_frag_struct *frags,
int len, int true_size,
- struct vlan_group *vgrp,
- u16 vlan_tag, void *priv, __wsum sum)
+ void *priv, __wsum sum)
{
struct net_lro_desc *lro_desc;
struct iphdr *iph;
@@ -480,7 +464,7 @@ static struct sk_buff *__lro_proc_segment(struct net_lro_mgr *lro_mgr,
tcph = (void *)((u8 *)skb->data + vlan_hdr_len
+ IP_HDR_LEN(iph));
- lro_init_desc(lro_desc, skb, iph, tcph, 0, NULL);
+ lro_init_desc(lro_desc, skb, iph, tcph);
LRO_INC_STATS(lro_mgr, aggregated);
return NULL;
}
@@ -514,7 +498,7 @@ void lro_receive_skb(struct net_lro_mgr *lro_mgr,
struct sk_buff *skb,
void *priv)
{
- if (__lro_proc_skb(lro_mgr, skb, NULL, 0, priv)) {
+ if (__lro_proc_skb(lro_mgr, skb, priv)) {
if (lro_mgr->features & LRO_F_NAPI)
netif_receive_skb(skb);
else
@@ -523,29 +507,13 @@ void lro_receive_skb(struct net_lro_mgr *lro_mgr,
}
EXPORT_SYMBOL(lro_receive_skb);
-void lro_vlan_hwaccel_receive_skb(struct net_lro_mgr *lro_mgr,
- struct sk_buff *skb,
- struct vlan_group *vgrp,
- u16 vlan_tag,
- void *priv)
-{
- if (__lro_proc_skb(lro_mgr, skb, vgrp, vlan_tag, priv)) {
- if (lro_mgr->features & LRO_F_NAPI)
- vlan_hwaccel_receive_skb(skb, vgrp, vlan_tag);
- else
- vlan_hwaccel_rx(skb, vgrp, vlan_tag);
- }
-}
-EXPORT_SYMBOL(lro_vlan_hwaccel_receive_skb);
-
void lro_receive_frags(struct net_lro_mgr *lro_mgr,
struct skb_frag_struct *frags,
int len, int true_size, void *priv, __wsum sum)
{
struct sk_buff *skb;
- skb = __lro_proc_segment(lro_mgr, frags, len, true_size, NULL, 0,
- priv, sum);
+ skb = __lro_proc_segment(lro_mgr, frags, len, true_size, priv, sum);
if (!skb)
return;
@@ -556,26 +524,6 @@ void lro_receive_frags(struct net_lro_mgr *lro_mgr,
}
EXPORT_SYMBOL(lro_receive_frags);
-void lro_vlan_hwaccel_receive_frags(struct net_lro_mgr *lro_mgr,
- struct skb_frag_struct *frags,
- int len, int true_size,
- struct vlan_group *vgrp,
- u16 vlan_tag, void *priv, __wsum sum)
-{
- struct sk_buff *skb;
-
- skb = __lro_proc_segment(lro_mgr, frags, len, true_size, vgrp,
- vlan_tag, priv, sum);
- if (!skb)
- return;
-
- if (lro_mgr->features & LRO_F_NAPI)
- vlan_hwaccel_receive_skb(skb, vgrp, vlan_tag);
- else
- vlan_hwaccel_rx(skb, vgrp, vlan_tag);
-}
-EXPORT_SYMBOL(lro_vlan_hwaccel_receive_frags);
-
void lro_flush_all(struct net_lro_mgr *lro_mgr)
{
int i;
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index ce616d92cc5..e38213817d0 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -54,15 +54,11 @@
* 1. Nodes may appear in the tree only with the pool lock held.
* 2. Nodes may disappear from the tree only with the pool lock held
* AND reference count being 0.
- * 3. Nodes appears and disappears from unused node list only under
- * "inet_peer_unused_lock".
- * 4. Global variable peer_total is modified under the pool lock.
- * 5. struct inet_peer fields modification:
+ * 3. Global variable peer_total is modified under the pool lock.
+ * 4. struct inet_peer fields modification:
* avl_left, avl_right, avl_parent, avl_height: pool lock
- * unused: unused node list lock
* refcnt: atomically against modifications on other CPU;
* usually under some other lock to prevent node disappearing
- * dtime: unused node list lock
* daddr: unchangeable
* ip_id_count: atomic value (no lock needed)
*/
@@ -104,19 +100,6 @@ int inet_peer_threshold __read_mostly = 65536 + 128; /* start to throw entries m
* aggressively at this stage */
int inet_peer_minttl __read_mostly = 120 * HZ; /* TTL under high load: 120 sec */
int inet_peer_maxttl __read_mostly = 10 * 60 * HZ; /* usual time to live: 10 min */
-int inet_peer_gc_mintime __read_mostly = 10 * HZ;
-int inet_peer_gc_maxtime __read_mostly = 120 * HZ;
-
-static struct {
- struct list_head list;
- spinlock_t lock;
-} unused_peers = {
- .list = LIST_HEAD_INIT(unused_peers.list),
- .lock = __SPIN_LOCK_UNLOCKED(unused_peers.lock),
-};
-
-static void peer_check_expire(unsigned long dummy);
-static DEFINE_TIMER(peer_periodic_timer, peer_check_expire, 0, 0);
/* Called from ip_output.c:ip_init */
@@ -142,21 +125,6 @@ void __init inet_initpeers(void)
0, SLAB_HWCACHE_ALIGN | SLAB_PANIC,
NULL);
- /* All the timers, started at system startup tend
- to synchronize. Perturb it a bit.
- */
- peer_periodic_timer.expires = jiffies
- + net_random() % inet_peer_gc_maxtime
- + inet_peer_gc_maxtime;
- add_timer(&peer_periodic_timer);
-}
-
-/* Called with or without local BH being disabled. */
-static void unlink_from_unused(struct inet_peer *p)
-{
- spin_lock_bh(&unused_peers.lock);
- list_del_init(&p->unused);
- spin_unlock_bh(&unused_peers.lock);
}
static int addr_compare(const struct inetpeer_addr *a,
@@ -203,20 +171,6 @@ static int addr_compare(const struct inetpeer_addr *a,
u; \
})
-static bool atomic_add_unless_return(atomic_t *ptr, int a, int u, int *newv)
-{
- int cur, old = atomic_read(ptr);
-
- while (old != u) {
- *newv = old + a;
- cur = atomic_cmpxchg(ptr, old, *newv);
- if (cur == old)
- return true;
- old = cur;
- }
- return false;
-}
-
/*
* Called with rcu_read_lock()
* Because we hold no lock against a writer, its quite possible we fall
@@ -225,8 +179,7 @@ static bool atomic_add_unless_return(atomic_t *ptr, int a, int u, int *newv)
* We exit from this function if number of links exceeds PEER_MAXDEPTH
*/
static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr,
- struct inet_peer_base *base,
- int *newrefcnt)
+ struct inet_peer_base *base)
{
struct inet_peer *u = rcu_dereference(base->root);
int count = 0;
@@ -235,11 +188,9 @@ static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr,
int cmp = addr_compare(daddr, &u->daddr);
if (cmp == 0) {
/* Before taking a reference, check if this entry was
- * deleted, unlink_from_pool() sets refcnt=-1 to make
- * distinction between an unused entry (refcnt=0) and
- * a freed one.
+ * deleted (refcnt=-1)
*/
- if (!atomic_add_unless_return(&u->refcnt, 1, -1, newrefcnt))
+ if (!atomic_add_unless(&u->refcnt, 1, -1))
u = NULL;
return u;
}
@@ -366,137 +317,99 @@ static void inetpeer_free_rcu(struct rcu_head *head)
kmem_cache_free(peer_cachep, container_of(head, struct inet_peer, rcu));
}
-/* May be called with local BH enabled. */
static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base,
struct inet_peer __rcu **stack[PEER_MAXDEPTH])
{
- int do_free;
-
- do_free = 0;
-
- write_seqlock_bh(&base->lock);
- /* Check the reference counter. It was artificially incremented by 1
- * in cleanup() function to prevent sudden disappearing. If we can
- * atomically (because of lockless readers) take this last reference,
- * it's safe to remove the node and free it later.
- * We use refcnt=-1 to alert lockless readers this entry is deleted.
- */
- if (atomic_cmpxchg(&p->refcnt, 1, -1) == 1) {
- struct inet_peer __rcu ***stackptr, ***delp;
- if (lookup(&p->daddr, stack, base) != p)
- BUG();
- delp = stackptr - 1; /* *delp[0] == p */
- if (p->avl_left == peer_avl_empty_rcu) {
- *delp[0] = p->avl_right;
- --stackptr;
- } else {
- /* look for a node to insert instead of p */
- struct inet_peer *t;
- t = lookup_rightempty(p, base);
- BUG_ON(rcu_deref_locked(*stackptr[-1], base) != t);
- **--stackptr = t->avl_left;
- /* t is removed, t->daddr > x->daddr for any
- * x in p->avl_left subtree.
- * Put t in the old place of p. */
- RCU_INIT_POINTER(*delp[0], t);
- t->avl_left = p->avl_left;
- t->avl_right = p->avl_right;
- t->avl_height = p->avl_height;
- BUG_ON(delp[1] != &p->avl_left);
- delp[1] = &t->avl_left; /* was &p->avl_left */
- }
- peer_avl_rebalance(stack, stackptr, base);
- base->total--;
- do_free = 1;
+ struct inet_peer __rcu ***stackptr, ***delp;
+
+ if (lookup(&p->daddr, stack, base) != p)
+ BUG();
+ delp = stackptr - 1; /* *delp[0] == p */
+ if (p->avl_left == peer_avl_empty_rcu) {
+ *delp[0] = p->avl_right;
+ --stackptr;
+ } else {
+ /* look for a node to insert instead of p */
+ struct inet_peer *t;
+ t = lookup_rightempty(p, base);
+ BUG_ON(rcu_deref_locked(*stackptr[-1], base) != t);
+ **--stackptr = t->avl_left;
+ /* t is removed, t->daddr > x->daddr for any
+ * x in p->avl_left subtree.
+ * Put t in the old place of p. */
+ RCU_INIT_POINTER(*delp[0], t);
+ t->avl_left = p->avl_left;
+ t->avl_right = p->avl_right;
+ t->avl_height = p->avl_height;
+ BUG_ON(delp[1] != &p->avl_left);
+ delp[1] = &t->avl_left; /* was &p->avl_left */
}
- write_sequnlock_bh(&base->lock);
-
- if (do_free)
- call_rcu(&p->rcu, inetpeer_free_rcu);
- else
- /* The node is used again. Decrease the reference counter
- * back. The loop "cleanup -> unlink_from_unused
- * -> unlink_from_pool -> putpeer -> link_to_unused
- * -> cleanup (for the same node)"
- * doesn't really exist because the entry will have a
- * recent deletion time and will not be cleaned again soon.
- */
- inet_putpeer(p);
+ peer_avl_rebalance(stack, stackptr, base);
+ base->total--;
+ call_rcu(&p->rcu, inetpeer_free_rcu);
}
static struct inet_peer_base *family_to_base(int family)
{
- return (family == AF_INET ? &v4_peers : &v6_peers);
-}
-
-static struct inet_peer_base *peer_to_base(struct inet_peer *p)
-{
- return family_to_base(p->daddr.family);
+ return family == AF_INET ? &v4_peers : &v6_peers;
}
-/* May be called with local BH enabled. */
-static int cleanup_once(unsigned long ttl, struct inet_peer __rcu **stack[PEER_MAXDEPTH])
+/* perform garbage collect on all items stacked during a lookup */
+static int inet_peer_gc(struct inet_peer_base *base,
+ struct inet_peer __rcu **stack[PEER_MAXDEPTH],
+ struct inet_peer __rcu ***stackptr)
{
- struct inet_peer *p = NULL;
-
- /* Remove the first entry from the list of unused nodes. */
- spin_lock_bh(&unused_peers.lock);
- if (!list_empty(&unused_peers.list)) {
- __u32 delta;
-
- p = list_first_entry(&unused_peers.list, struct inet_peer, unused);
- delta = (__u32)jiffies - p->dtime;
+ struct inet_peer *p, *gchead = NULL;
+ __u32 delta, ttl;
+ int cnt = 0;
- if (delta < ttl) {
- /* Do not prune fresh entries. */
- spin_unlock_bh(&unused_peers.lock);
- return -1;
+ if (base->total >= inet_peer_threshold)
+ ttl = 0; /* be aggressive */
+ else
+ ttl = inet_peer_maxttl
+ - (inet_peer_maxttl - inet_peer_minttl) / HZ *
+ base->total / inet_peer_threshold * HZ;
+ stackptr--; /* last stack slot is peer_avl_empty */
+ while (stackptr > stack) {
+ stackptr--;
+ p = rcu_deref_locked(**stackptr, base);
+ if (atomic_read(&p->refcnt) == 0) {
+ smp_rmb();
+ delta = (__u32)jiffies - p->dtime;
+ if (delta >= ttl &&
+ atomic_cmpxchg(&p->refcnt, 0, -1) == 0) {
+ p->gc_next = gchead;
+ gchead = p;
+ }
}
-
- list_del_init(&p->unused);
-
- /* Grab an extra reference to prevent node disappearing
- * before unlink_from_pool() call. */
- atomic_inc(&p->refcnt);
}
- spin_unlock_bh(&unused_peers.lock);
-
- if (p == NULL)
- /* It means that the total number of USED entries has
- * grown over inet_peer_threshold. It shouldn't really
- * happen because of entry limits in route cache. */
- return -1;
-
- unlink_from_pool(p, peer_to_base(p), stack);
- return 0;
+ while ((p = gchead) != NULL) {
+ gchead = p->gc_next;
+ cnt++;
+ unlink_from_pool(p, base, stack);
+ }
+ return cnt;
}
-/* Called with or without local BH being disabled. */
-struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create)
+struct inet_peer *inet_getpeer(const struct inetpeer_addr *daddr, int create)
{
struct inet_peer __rcu **stack[PEER_MAXDEPTH], ***stackptr;
struct inet_peer_base *base = family_to_base(daddr->family);
struct inet_peer *p;
unsigned int sequence;
- int invalidated, newrefcnt = 0;
+ int invalidated, gccnt = 0;
- /* Look up for the address quickly, lockless.
+ /* Attempt a lockless lookup first.
* Because of a concurrent writer, we might not find an existing entry.
*/
rcu_read_lock();
sequence = read_seqbegin(&base->lock);
- p = lookup_rcu(daddr, base, &newrefcnt);
+ p = lookup_rcu(daddr, base);
invalidated = read_seqretry(&base->lock, sequence);
rcu_read_unlock();
- if (p) {
-found: /* The existing node has been found.
- * Remove the entry from unused list if it was there.
- */
- if (newrefcnt == 1)
- unlink_from_unused(p);
+ if (p)
return p;
- }
/* If no writer did a change during our lookup, we can return early. */
if (!create && !invalidated)
@@ -506,18 +419,27 @@ found: /* The existing node has been found.
* At least, nodes should be hot in our cache.
*/
write_seqlock_bh(&base->lock);
+relookup:
p = lookup(daddr, stack, base);
if (p != peer_avl_empty) {
- newrefcnt = atomic_inc_return(&p->refcnt);
+ atomic_inc(&p->refcnt);
write_sequnlock_bh(&base->lock);
- goto found;
+ return p;
+ }
+ if (!gccnt) {
+ gccnt = inet_peer_gc(base, stack, stackptr);
+ if (gccnt && create)
+ goto relookup;
}
p = create ? kmem_cache_alloc(peer_cachep, GFP_ATOMIC) : NULL;
if (p) {
p->daddr = *daddr;
atomic_set(&p->refcnt, 1);
atomic_set(&p->rid, 0);
- atomic_set(&p->ip_id_count, secure_ip_id(daddr->addr.a4));
+ atomic_set(&p->ip_id_count,
+ (daddr->family == AF_INET) ?
+ secure_ip_id(daddr->addr.a4) :
+ secure_ipv6_id(daddr->addr.a6));
p->tcp_ts_stamp = 0;
p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW;
p->rate_tokens = 0;
@@ -525,7 +447,6 @@ found: /* The existing node has been found.
p->pmtu_expires = 0;
p->pmtu_orig = 0;
memset(&p->redirect_learned, 0, sizeof(p->redirect_learned));
- INIT_LIST_HEAD(&p->unused);
/* Link the node. */
@@ -534,63 +455,15 @@ found: /* The existing node has been found.
}
write_sequnlock_bh(&base->lock);
- if (base->total >= inet_peer_threshold)
- /* Remove one less-recently-used entry. */
- cleanup_once(0, stack);
-
return p;
}
-
-static int compute_total(void)
-{
- return v4_peers.total + v6_peers.total;
-}
EXPORT_SYMBOL_GPL(inet_getpeer);
-/* Called with local BH disabled. */
-static void peer_check_expire(unsigned long dummy)
-{
- unsigned long now = jiffies;
- int ttl, total;
- struct inet_peer __rcu **stack[PEER_MAXDEPTH];
-
- total = compute_total();
- if (total >= inet_peer_threshold)
- ttl = inet_peer_minttl;
- else
- ttl = inet_peer_maxttl
- - (inet_peer_maxttl - inet_peer_minttl) / HZ *
- total / inet_peer_threshold * HZ;
- while (!cleanup_once(ttl, stack)) {
- if (jiffies != now)
- break;
- }
-
- /* Trigger the timer after inet_peer_gc_mintime .. inet_peer_gc_maxtime
- * interval depending on the total number of entries (more entries,
- * less interval). */
- total = compute_total();
- if (total >= inet_peer_threshold)
- peer_periodic_timer.expires = jiffies + inet_peer_gc_mintime;
- else
- peer_periodic_timer.expires = jiffies
- + inet_peer_gc_maxtime
- - (inet_peer_gc_maxtime - inet_peer_gc_mintime) / HZ *
- total / inet_peer_threshold * HZ;
- add_timer(&peer_periodic_timer);
-}
-
void inet_putpeer(struct inet_peer *p)
{
- local_bh_disable();
-
- if (atomic_dec_and_lock(&p->refcnt, &unused_peers.lock)) {
- list_add_tail(&p->unused, &unused_peers.list);
- p->dtime = (__u32)jiffies;
- spin_unlock(&unused_peers.lock);
- }
-
- local_bh_enable();
+ p->dtime = (__u32)jiffies;
+ smp_mb__before_atomic_dec();
+ atomic_dec(&p->refcnt);
}
EXPORT_SYMBOL_GPL(inet_putpeer);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 0ad6035f636..0e0ab98abc6 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -261,8 +261,9 @@ static void ip_expire(unsigned long arg)
* Only an end host needs to send an ICMP
* "Fragment Reassembly Timeout" message, per RFC792.
*/
- if (qp->user == IP_DEFRAG_CONNTRACK_IN &&
- skb_rtable(head)->rt_type != RTN_LOCAL)
+ if (qp->user == IP_DEFRAG_AF_PACKET ||
+ (qp->user == IP_DEFRAG_CONNTRACK_IN &&
+ skb_rtable(head)->rt_type != RTN_LOCAL))
goto out_rcu_unlock;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 8871067560d..d7bb94c4834 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -731,9 +731,9 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (skb->protocol == htons(ETH_P_IPV6)) {
+ struct neighbour *neigh = dst_get_neighbour(skb_dst(skb));
const struct in6_addr *addr6;
int addr_type;
- struct neighbour *neigh = skb_dst(skb)->neighbour;
if (neigh == NULL)
goto tx_error;
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index c8f48efc5fd..073a9b01c40 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -165,7 +165,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
(!sk->sk_bound_dev_if ||
sk->sk_bound_dev_if == dev->ifindex) &&
net_eq(sock_net(sk), dev_net(dev))) {
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_defrag(skb, IP_DEFRAG_CALL_RA_CHAIN))
return 1;
}
@@ -256,7 +256,7 @@ int ip_local_deliver(struct sk_buff *skb)
* Reassemble IP fragments.
*/
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_defrag(skb, IP_DEFRAG_LOCAL_DELIVER))
return 0;
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index a8024eaa0e8..ccaaa851ab4 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -182,6 +182,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
struct rtable *rt = (struct rtable *)dst;
struct net_device *dev = dst->dev;
unsigned int hh_len = LL_RESERVED_SPACE(dev);
+ struct neighbour *neigh;
if (rt->rt_type == RTN_MULTICAST) {
IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTMCAST, skb->len);
@@ -203,10 +204,9 @@ static inline int ip_finish_output2(struct sk_buff *skb)
skb = skb2;
}
- if (dst->hh)
- return neigh_hh_output(dst->hh, skb);
- else if (dst->neighbour)
- return dst->neighbour->output(skb);
+ neigh = dst_get_neighbour(dst);
+ if (neigh)
+ return neigh_output(neigh, skb);
if (net_ratelimit())
printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n");
@@ -489,7 +489,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
if (first_len - hlen > mtu ||
((first_len - hlen) & 7) ||
- (iph->frag_off & htons(IP_MF|IP_OFFSET)) ||
+ ip_is_fragment(iph) ||
skb_cloned(skb))
goto slow_path;
@@ -734,7 +734,7 @@ static inline int ip_ufo_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int length, int hh_len, int fragheaderlen,
- int transhdrlen, int mtu, unsigned int flags)
+ int transhdrlen, int maxfraglen, unsigned int flags)
{
struct sk_buff *skb;
int err;
@@ -767,7 +767,7 @@ static inline int ip_ufo_append_data(struct sock *sk,
skb->csum = 0;
/* specify the length of each IP datagram fragment */
- skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
+ skb_shinfo(skb)->gso_size = maxfraglen - fragheaderlen;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
__skb_queue_tail(queue, skb);
}
@@ -802,8 +802,6 @@ static int __ip_append_data(struct sock *sk,
skb = skb_peek_tail(queue);
exthdrlen = !skb ? rt->dst.header_len : 0;
- length += exthdrlen;
- transhdrlen += exthdrlen;
mtu = cork->fragsize;
hh_len = LL_RESERVED_SPACE(rt->dst.dev);
@@ -830,10 +828,10 @@ static int __ip_append_data(struct sock *sk,
cork->length += length;
if (((length > mtu) || (skb && skb_is_gso(skb))) &&
(sk->sk_protocol == IPPROTO_UDP) &&
- (rt->dst.dev->features & NETIF_F_UFO)) {
+ (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
err = ip_ufo_append_data(sk, queue, getfrag, from, length,
hh_len, fragheaderlen, transhdrlen,
- mtu, flags);
+ maxfraglen, flags);
if (err)
goto error;
return 0;
@@ -883,17 +881,16 @@ alloc_new_skb:
else
alloclen = fraglen;
+ alloclen += exthdrlen;
+
/* The last fragment gets additional space at tail.
* Note, with MSG_MORE we overallocate on fragments,
* because we have no idea what fragment will be
* the last.
*/
- if (datalen == length + fraggap) {
+ if (datalen == length + fraggap)
alloclen += rt->dst.trailer_len;
- /* make sure mtu is not reached */
- if (datalen > mtu - fragheaderlen - rt->dst.trailer_len)
- datalen -= ALIGN(rt->dst.trailer_len, 8);
- }
+
if (transhdrlen) {
skb = sock_alloc_send_skb(sk,
alloclen + hh_len + 15,
@@ -926,11 +923,11 @@ alloc_new_skb:
/*
* Find where to start putting bytes.
*/
- data = skb_put(skb, fraglen);
+ data = skb_put(skb, fraglen + exthdrlen);
skb_set_network_header(skb, exthdrlen);
skb->transport_header = (skb->network_header +
fragheaderlen);
- data += fragheaderlen;
+ data += fragheaderlen + exthdrlen;
if (fraggap) {
skb->csum = skb_copy_and_csum_bits(
@@ -1064,7 +1061,7 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
*/
*rtp = NULL;
cork->fragsize = inet->pmtudisc == IP_PMTUDISC_PROBE ?
- rt->dst.dev->mtu : dst_mtu(rt->dst.path);
+ rt->dst.dev->mtu : dst_mtu(&rt->dst);
cork->dst = &rt->dst;
cork->length = 0;
cork->tx_flags = ipc->tx_flags;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index ab7e5542c1c..472a8c4f1dc 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -861,41 +861,44 @@ static void __init ic_do_bootp_ext(u8 *ext)
#endif
switch (*ext++) {
- case 1: /* Subnet mask */
- if (ic_netmask == NONE)
- memcpy(&ic_netmask, ext+1, 4);
- break;
- case 3: /* Default gateway */
- if (ic_gateway == NONE)
- memcpy(&ic_gateway, ext+1, 4);
- break;
- case 6: /* DNS server */
- servers= *ext/4;
- if (servers > CONF_NAMESERVERS_MAX)
- servers = CONF_NAMESERVERS_MAX;
- for (i = 0; i < servers; i++) {
- if (ic_nameservers[i] == NONE)
- memcpy(&ic_nameservers[i], ext+1+4*i, 4);
- }
- break;
- case 12: /* Host name */
- ic_bootp_string(utsname()->nodename, ext+1, *ext, __NEW_UTS_LEN);
- ic_host_name_set = 1;
- break;
- case 15: /* Domain name (DNS) */
- ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
- break;
- case 17: /* Root path */
- if (!root_server_path[0])
- ic_bootp_string(root_server_path, ext+1, *ext, sizeof(root_server_path));
- break;
- case 26: /* Interface MTU */
- memcpy(&mtu, ext+1, sizeof(mtu));
- ic_dev_mtu = ntohs(mtu);
- break;
- case 40: /* NIS Domain name (_not_ DNS) */
- ic_bootp_string(utsname()->domainname, ext+1, *ext, __NEW_UTS_LEN);
- break;
+ case 1: /* Subnet mask */
+ if (ic_netmask == NONE)
+ memcpy(&ic_netmask, ext+1, 4);
+ break;
+ case 3: /* Default gateway */
+ if (ic_gateway == NONE)
+ memcpy(&ic_gateway, ext+1, 4);
+ break;
+ case 6: /* DNS server */
+ servers= *ext/4;
+ if (servers > CONF_NAMESERVERS_MAX)
+ servers = CONF_NAMESERVERS_MAX;
+ for (i = 0; i < servers; i++) {
+ if (ic_nameservers[i] == NONE)
+ memcpy(&ic_nameservers[i], ext+1+4*i, 4);
+ }
+ break;
+ case 12: /* Host name */
+ ic_bootp_string(utsname()->nodename, ext+1, *ext,
+ __NEW_UTS_LEN);
+ ic_host_name_set = 1;
+ break;
+ case 15: /* Domain name (DNS) */
+ ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
+ break;
+ case 17: /* Root path */
+ if (!root_server_path[0])
+ ic_bootp_string(root_server_path, ext+1, *ext,
+ sizeof(root_server_path));
+ break;
+ case 26: /* Interface MTU */
+ memcpy(&mtu, ext+1, sizeof(mtu));
+ ic_dev_mtu = ntohs(mtu);
+ break;
+ case 40: /* NIS Domain name (_not_ DNS) */
+ ic_bootp_string(utsname()->domainname, ext+1, *ext,
+ __NEW_UTS_LEN);
+ break;
}
}
@@ -932,7 +935,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
goto drop;
/* Fragments are not supported */
- if (h->frag_off & htons(IP_OFFSET | IP_MF)) {
+ if (ip_is_fragment(h)) {
if (net_ratelimit())
printk(KERN_ERR "DHCP/BOOTP: Ignoring fragmented "
"reply.\n");
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 30a7763c400..aae2bd8cd92 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2544,7 +2544,8 @@ int __init ip_mr_init(void)
goto add_proto_fail;
}
#endif
- rtnl_register(RTNL_FAMILY_IPMR, RTM_GETROUTE, NULL, ipmr_rtm_dumproute);
+ rtnl_register(RTNL_FAMILY_IPMR, RTM_GETROUTE,
+ NULL, ipmr_rtm_dumproute, NULL);
return 0;
#ifdef CONFIG_IP_PIMSM_V2
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 4614babdc45..2e97e3ec1eb 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -17,51 +17,35 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
const struct iphdr *iph = ip_hdr(skb);
struct rtable *rt;
struct flowi4 fl4 = {};
- unsigned long orefdst;
+ __be32 saddr = iph->saddr;
+ __u8 flags = 0;
unsigned int hh_len;
- unsigned int type;
- type = inet_addr_type(net, iph->saddr);
- if (skb->sk && inet_sk(skb->sk)->transparent)
- type = RTN_LOCAL;
- if (addr_type == RTN_UNSPEC)
- addr_type = type;
+ if (!skb->sk && addr_type != RTN_LOCAL) {
+ if (addr_type == RTN_UNSPEC)
+ addr_type = inet_addr_type(net, saddr);
+ if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
+ flags |= FLOWI_FLAG_ANYSRC;
+ else
+ saddr = 0;
+ }
/* some non-standard hacks like ipt_REJECT.c:send_reset() can cause
* packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook.
*/
- if (addr_type == RTN_LOCAL) {
- fl4.daddr = iph->daddr;
- if (type == RTN_LOCAL)
- fl4.saddr = iph->saddr;
- fl4.flowi4_tos = RT_TOS(iph->tos);
- fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
- fl4.flowi4_mark = skb->mark;
- fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
- rt = ip_route_output_key(net, &fl4);
- if (IS_ERR(rt))
- return -1;
-
- /* Drop old route. */
- skb_dst_drop(skb);
- skb_dst_set(skb, &rt->dst);
- } else {
- /* non-local src, find valid iif to satisfy
- * rp-filter when calling ip_route_input. */
- fl4.daddr = iph->saddr;
- rt = ip_route_output_key(net, &fl4);
- if (IS_ERR(rt))
- return -1;
+ fl4.daddr = iph->daddr;
+ fl4.saddr = saddr;
+ fl4.flowi4_tos = RT_TOS(iph->tos);
+ fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+ fl4.flowi4_mark = skb->mark;
+ fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : flags;
+ rt = ip_route_output_key(net, &fl4);
+ if (IS_ERR(rt))
+ return -1;
- orefdst = skb->_skb_refdst;
- if (ip_route_input(skb, iph->daddr, iph->saddr,
- RT_TOS(iph->tos), rt->dst.dev) != 0) {
- dst_release(&rt->dst);
- return -1;
- }
- dst_release(&rt->dst);
- refdst_drop(orefdst);
- }
+ /* Drop old route. */
+ skb_dst_drop(skb);
+ skb_dst_set(skb, &rt->dst);
if (skb_dst(skb)->error)
return -1;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 5c9e97c7901..db8d22db425 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -317,19 +317,19 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
hash = clusterip_hashfn(skb, cipinfo->config);
switch (ctinfo) {
- case IP_CT_NEW:
- ct->mark = hash;
- break;
- case IP_CT_RELATED:
- case IP_CT_RELATED_REPLY:
- /* FIXME: we don't handle expectations at the
- * moment. they can arrive on a different node than
- * the master connection (e.g. FTP passive mode) */
- case IP_CT_ESTABLISHED:
- case IP_CT_ESTABLISHED_REPLY:
- break;
- default:
- break;
+ case IP_CT_NEW:
+ ct->mark = hash;
+ break;
+ case IP_CT_RELATED:
+ case IP_CT_RELATED_REPLY:
+ /* FIXME: we don't handle expectations at the moment.
+ * They can arrive on a different node than
+ * the master connection (e.g. FTP passive mode) */
+ case IP_CT_ESTABLISHED:
+ case IP_CT_ESTABLISHED_REPLY:
+ break;
+ default: /* Prevent gcc warnings */
+ break;
}
#ifdef DEBUG
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 1ff79e557f9..51f13f8ec72 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -40,7 +40,6 @@ static void send_reset(struct sk_buff *oldskb, int hook)
struct iphdr *niph;
const struct tcphdr *oth;
struct tcphdr _otcph, *tcph;
- unsigned int addr_type;
/* IP header checks: fragment. */
if (ip_hdr(oldskb)->frag_off & htons(IP_OFFSET))
@@ -55,6 +54,9 @@ static void send_reset(struct sk_buff *oldskb, int hook)
if (oth->rst)
return;
+ if (skb_rtable(oldskb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+ return;
+
/* Check checksum */
if (nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), IPPROTO_TCP))
return;
@@ -101,19 +103,11 @@ static void send_reset(struct sk_buff *oldskb, int hook)
nskb->csum_start = (unsigned char *)tcph - nskb->head;
nskb->csum_offset = offsetof(struct tcphdr, check);
- addr_type = RTN_UNSPEC;
- if (hook != NF_INET_FORWARD
-#ifdef CONFIG_BRIDGE_NETFILTER
- || (nskb->nf_bridge && nskb->nf_bridge->mask & BRNF_BRIDGED)
-#endif
- )
- addr_type = RTN_LOCAL;
-
/* ip_route_me_harder expects skb->dst to be set */
skb_dst_set_noref(nskb, skb_dst(oldskb));
nskb->protocol = htons(ETH_P_IP);
- if (ip_route_me_harder(nskb, addr_type))
+ if (ip_route_me_harder(nskb, RTN_UNSPEC))
goto free_nskb;
niph->ttl = ip4_dst_hoplimit(skb_dst(nskb));
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index f3a9b42b16c..9bb1b8a37a2 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -82,7 +82,7 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
#endif
#endif
/* Gather fragments. */
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
enum ip_defrag_users user = nf_ct_defrag_user(hooknum, skb);
if (nf_ct_ipv4_gather_frags(skb, user))
return NF_STOLEN;
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 8812a02078a..076b7c8c4aa 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -719,117 +719,115 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
l = 0;
switch (type) {
- case SNMP_INTEGER:
- len = sizeof(long);
- if (!asn1_long_decode(ctx, end, &l)) {
- kfree(id);
- return 0;
- }
- *obj = kmalloc(sizeof(struct snmp_object) + len,
- GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- (*obj)->syntax.l[0] = l;
- break;
- case SNMP_OCTETSTR:
- case SNMP_OPAQUE:
- if (!asn1_octets_decode(ctx, end, &p, &len)) {
- kfree(id);
- return 0;
- }
- *obj = kmalloc(sizeof(struct snmp_object) + len,
- GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(p);
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- memcpy((*obj)->syntax.c, p, len);
+ case SNMP_INTEGER:
+ len = sizeof(long);
+ if (!asn1_long_decode(ctx, end, &l)) {
+ kfree(id);
+ return 0;
+ }
+ *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+ if (*obj == NULL) {
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ (*obj)->syntax.l[0] = l;
+ break;
+ case SNMP_OCTETSTR:
+ case SNMP_OPAQUE:
+ if (!asn1_octets_decode(ctx, end, &p, &len)) {
+ kfree(id);
+ return 0;
+ }
+ *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+ if (*obj == NULL) {
kfree(p);
- break;
- case SNMP_NULL:
- case SNMP_NOSUCHOBJECT:
- case SNMP_NOSUCHINSTANCE:
- case SNMP_ENDOFMIBVIEW:
- len = 0;
- *obj = kmalloc(sizeof(struct snmp_object), GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- if (!asn1_null_decode(ctx, end)) {
- kfree(id);
- kfree(*obj);
- *obj = NULL;
- return 0;
- }
- break;
- case SNMP_OBJECTID:
- if (!asn1_oid_decode(ctx, end, (unsigned long **)&lp, &len)) {
- kfree(id);
- return 0;
- }
- len *= sizeof(unsigned long);
- *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(lp);
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- memcpy((*obj)->syntax.ul, lp, len);
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ memcpy((*obj)->syntax.c, p, len);
+ kfree(p);
+ break;
+ case SNMP_NULL:
+ case SNMP_NOSUCHOBJECT:
+ case SNMP_NOSUCHINSTANCE:
+ case SNMP_ENDOFMIBVIEW:
+ len = 0;
+ *obj = kmalloc(sizeof(struct snmp_object), GFP_ATOMIC);
+ if (*obj == NULL) {
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ if (!asn1_null_decode(ctx, end)) {
+ kfree(id);
+ kfree(*obj);
+ *obj = NULL;
+ return 0;
+ }
+ break;
+ case SNMP_OBJECTID:
+ if (!asn1_oid_decode(ctx, end, (unsigned long **)&lp, &len)) {
+ kfree(id);
+ return 0;
+ }
+ len *= sizeof(unsigned long);
+ *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+ if (*obj == NULL) {
kfree(lp);
- break;
- case SNMP_IPADDR:
- if (!asn1_octets_decode(ctx, end, &p, &len)) {
- kfree(id);
- return 0;
- }
- if (len != 4) {
- kfree(p);
- kfree(id);
- return 0;
- }
- *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(p);
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- memcpy((*obj)->syntax.uc, p, len);
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ memcpy((*obj)->syntax.ul, lp, len);
+ kfree(lp);
+ break;
+ case SNMP_IPADDR:
+ if (!asn1_octets_decode(ctx, end, &p, &len)) {
+ kfree(id);
+ return 0;
+ }
+ if (len != 4) {
kfree(p);
- break;
- case SNMP_COUNTER:
- case SNMP_GAUGE:
- case SNMP_TIMETICKS:
- len = sizeof(unsigned long);
- if (!asn1_ulong_decode(ctx, end, &ul)) {
- kfree(id);
- return 0;
- }
- *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
- if (*obj == NULL) {
- kfree(id);
- if (net_ratelimit())
- pr_notice("OOM in bsalg (%d)\n", __LINE__);
- return 0;
- }
- (*obj)->syntax.ul[0] = ul;
- break;
- default:
kfree(id);
return 0;
+ }
+ *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+ if (*obj == NULL) {
+ kfree(p);
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ memcpy((*obj)->syntax.uc, p, len);
+ kfree(p);
+ break;
+ case SNMP_COUNTER:
+ case SNMP_GAUGE:
+ case SNMP_TIMETICKS:
+ len = sizeof(unsigned long);
+ if (!asn1_ulong_decode(ctx, end, &ul)) {
+ kfree(id);
+ return 0;
+ }
+ *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+ if (*obj == NULL) {
+ kfree(id);
+ if (net_ratelimit())
+ pr_notice("OOM in bsalg (%d)\n", __LINE__);
+ return 0;
+ }
+ (*obj)->syntax.ul[0] = ul;
+ break;
+ default:
+ kfree(id);
+ return 0;
}
(*obj)->syntax_len = len;
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 483b76d042d..a6e606e8482 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -88,7 +88,7 @@ nf_nat_fn(unsigned int hooknum,
/* We never see fragments: conntrack defrags on pre-routing
and local-out, and nf_nat_out protects post-routing. */
- NF_CT_ASSERT(!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)));
+ NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb)));
ct = nf_ct_get(skb, &ctinfo);
/* Can't track? It's not due to stress, or conntrack would
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index c9893d43242..08526786dc3 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -825,28 +825,28 @@ static int compat_raw_getsockopt(struct sock *sk, int level, int optname,
static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
switch (cmd) {
- case SIOCOUTQ: {
- int amount = sk_wmem_alloc_get(sk);
+ case SIOCOUTQ: {
+ int amount = sk_wmem_alloc_get(sk);
- return put_user(amount, (int __user *)arg);
- }
- case SIOCINQ: {
- struct sk_buff *skb;
- int amount = 0;
-
- spin_lock_bh(&sk->sk_receive_queue.lock);
- skb = skb_peek(&sk->sk_receive_queue);
- if (skb != NULL)
- amount = skb->len;
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
- }
+ return put_user(amount, (int __user *)arg);
+ }
+ case SIOCINQ: {
+ struct sk_buff *skb;
+ int amount = 0;
+
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb != NULL)
+ amount = skb->len;
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ return put_user(amount, (int __user *)arg);
+ }
- default:
+ default:
#ifdef CONFIG_IP_MROUTE
- return ipmr_ioctl(sk, cmd, (void __user *)arg);
+ return ipmr_ioctl(sk, cmd, (void __user *)arg);
#else
- return -ENOIOCTLCMD;
+ return -ENOIOCTLCMD;
#endif
}
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index aa13ef10511..33137307d52 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -108,6 +108,7 @@
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
#endif
+#include <net/atmclip.h>
#define RT_FL_TOS(oldflp4) \
((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
@@ -184,6 +185,8 @@ static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old)
return p;
}
+static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const void *daddr);
+
static struct dst_ops ipv4_dst_ops = {
.family = AF_INET,
.protocol = cpu_to_be16(ETH_P_IP),
@@ -198,6 +201,7 @@ static struct dst_ops ipv4_dst_ops = {
.link_failure = ipv4_link_failure,
.update_pmtu = ip_rt_update_pmtu,
.local_out = __ip_local_out,
+ .neigh_lookup = ipv4_neigh_lookup,
};
#define ECN_OR_COST(class) TC_PRIO_##class
@@ -411,8 +415,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
"HHUptod\tSpecDst");
else {
struct rtable *r = v;
+ struct neighbour *n;
int len;
+ n = dst_get_neighbour(&r->dst);
seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t"
"%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n",
r->dst.dev ? r->dst.dev->name : "*",
@@ -425,9 +431,8 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
(int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
dst_metric(&r->dst, RTAX_RTTVAR)),
r->rt_key_tos,
- r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1,
- r->dst.hh ? (r->dst.hh->hh_output ==
- dev_queue_xmit) : 0,
+ -1,
+ (n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0,
r->rt_spec_dst, &len);
seq_printf(seq, "%*s\n", 127 - len, "");
@@ -1006,6 +1011,37 @@ static int slow_chain_length(const struct rtable *head)
return length >> FRACT_BITS;
}
+static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ struct neigh_table *tbl = &arp_tbl;
+ static const __be32 inaddr_any = 0;
+ struct net_device *dev = dst->dev;
+ const __be32 *pkey = daddr;
+ struct neighbour *n;
+
+#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
+ if (dev->type == ARPHRD_ATM)
+ tbl = clip_tbl_hook;
+#endif
+ if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
+ pkey = &inaddr_any;
+
+ n = __ipv4_neigh_lookup(tbl, dev, *(__force u32 *)pkey);
+ if (n)
+ return n;
+ return neigh_create(tbl, pkey, dev);
+}
+
+static int rt_bind_neighbour(struct rtable *rt)
+{
+ struct neighbour *n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway);
+ if (IS_ERR(n))
+ return PTR_ERR(n);
+ dst_set_neighbour(&rt->dst, n);
+
+ return 0;
+}
+
static struct rtable *rt_intern_hash(unsigned hash, struct rtable *rt,
struct sk_buff *skb, int ifindex)
{
@@ -1042,7 +1078,7 @@ restart:
rt->dst.flags |= DST_NOCACHE;
if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
- int err = arp_bind_neighbour(&rt->dst);
+ int err = rt_bind_neighbour(rt);
if (err) {
if (net_ratelimit())
printk(KERN_WARNING
@@ -1138,7 +1174,7 @@ restart:
route or unicast forwarding path.
*/
if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
- int err = arp_bind_neighbour(&rt->dst);
+ int err = rt_bind_neighbour(rt);
if (err) {
spin_unlock_bh(rt_hash_lock_addr(hash));
@@ -1439,20 +1475,20 @@ static int ip_error(struct sk_buff *skb)
int code;
switch (rt->dst.error) {
- case EINVAL:
- default:
- goto out;
- case EHOSTUNREACH:
- code = ICMP_HOST_UNREACH;
- break;
- case ENETUNREACH:
- code = ICMP_NET_UNREACH;
- IP_INC_STATS_BH(dev_net(rt->dst.dev),
- IPSTATS_MIB_INNOROUTES);
- break;
- case EACCES:
- code = ICMP_PKT_FILTERED;
- break;
+ case EINVAL:
+ default:
+ goto out;
+ case EHOSTUNREACH:
+ code = ICMP_HOST_UNREACH;
+ break;
+ case ENETUNREACH:
+ code = ICMP_NET_UNREACH;
+ IP_INC_STATS_BH(dev_net(rt->dst.dev),
+ IPSTATS_MIB_INNOROUTES);
+ break;
+ case EACCES:
+ code = ICMP_PKT_FILTERED;
+ break;
}
if (!rt->peer)
@@ -1592,23 +1628,24 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
{
struct rtable *rt = (struct rtable *) dst;
__be32 orig_gw = rt->rt_gateway;
+ struct neighbour *n;
dst_confirm(&rt->dst);
- neigh_release(rt->dst.neighbour);
- rt->dst.neighbour = NULL;
+ neigh_release(dst_get_neighbour(&rt->dst));
+ dst_set_neighbour(&rt->dst, NULL);
rt->rt_gateway = peer->redirect_learned.a4;
- if (arp_bind_neighbour(&rt->dst) ||
- !(rt->dst.neighbour->nud_state & NUD_VALID)) {
- if (rt->dst.neighbour)
- neigh_event_send(rt->dst.neighbour, NULL);
+ rt_bind_neighbour(rt);
+ n = dst_get_neighbour(&rt->dst);
+ if (!n || !(n->nud_state & NUD_VALID)) {
+ if (n)
+ neigh_event_send(n, NULL);
rt->rt_gateway = orig_gw;
return -EAGAIN;
} else {
rt->rt_flags |= RTCF_REDIRECTED;
- call_netevent_notifiers(NETEVENT_NEIGH_UPDATE,
- rt->dst.neighbour);
+ call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n);
}
return 0;
}
@@ -2708,6 +2745,7 @@ static struct dst_ops ipv4_dst_blackhole_ops = {
.default_advmss = ipv4_default_advmss,
.update_pmtu = ipv4_rt_blackhole_update_pmtu,
.cow_metrics = ipv4_rt_blackhole_cow_metrics,
+ .neigh_lookup = ipv4_neigh_lookup,
};
struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig)
@@ -3303,7 +3341,7 @@ int __init ip_rt_init(void)
xfrm_init();
xfrm4_init(ip_rt_max_size);
#endif
- rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL);
+ rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
#ifdef CONFIG_SYSCTL
register_pernet_subsys(&sysctl_route_ops);
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 26461492a84..92bb9434b33 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -316,6 +316,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
ireq->wscale_ok = tcp_opt.wscale_ok;
ireq->tstamp_ok = tcp_opt.saw_tstamp;
req->ts_recent = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+ treq->snt_synack = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
/* We throwed the options of the initial SYN away, so we hope
* the ACK carries the same options again (see RFC1122 4.2.3.8)
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 57d0752e239..69fd7201129 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -398,20 +398,6 @@ static struct ctl_table ipv4_table[] = {
.proc_handler = proc_dointvec_jiffies,
},
{
- .procname = "inet_peer_gc_mintime",
- .data = &inet_peer_gc_mintime,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_jiffies,
- },
- {
- .procname = "inet_peer_gc_maxtime",
- .data = &inet_peer_gc_maxtime,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec_jiffies,
- },
- {
.procname = "tcp_orphan_retries",
.data = &sysctl_tcp_orphan_retries,
.maxlen = sizeof(int),
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 054a59d21eb..46febcacb72 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3220,7 +3220,7 @@ __setup("thash_entries=", set_thash_entries);
void __init tcp_init(void)
{
struct sk_buff *skb = NULL;
- unsigned long nr_pages, limit;
+ unsigned long limit;
int i, max_share, cnt;
unsigned long jiffy = jiffies;
@@ -3277,13 +3277,7 @@ void __init tcp_init(void)
sysctl_tcp_max_orphans = cnt / 2;
sysctl_max_syn_backlog = max(128, cnt / 256);
- /* Set the pressure threshold to be a fraction of global memory that
- * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
- * memory, with a floor of 128 pages.
- */
- nr_pages = totalram_pages - totalhigh_pages;
- limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
- limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+ limit = nr_free_buffer_pages() / 8;
limit = max(limit, 128UL);
sysctl_tcp_mem[0] = limit / 4 * 3;
sysctl_tcp_mem[1] = limit;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bef9f04c22b..ea0d2183df4 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -880,6 +880,11 @@ static void tcp_init_metrics(struct sock *sk)
tp->snd_ssthresh = dst_metric(dst, RTAX_SSTHRESH);
if (tp->snd_ssthresh > tp->snd_cwnd_clamp)
tp->snd_ssthresh = tp->snd_cwnd_clamp;
+ } else {
+ /* ssthresh may have been reduced unnecessarily during.
+ * 3WHS. Restore it back to its initial default.
+ */
+ tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
}
if (dst_metric(dst, RTAX_REORDERING) &&
tp->reordering != dst_metric(dst, RTAX_REORDERING)) {
@@ -887,10 +892,7 @@ static void tcp_init_metrics(struct sock *sk)
tp->reordering = dst_metric(dst, RTAX_REORDERING);
}
- if (dst_metric(dst, RTAX_RTT) == 0)
- goto reset;
-
- if (!tp->srtt && dst_metric_rtt(dst, RTAX_RTT) < (TCP_TIMEOUT_INIT << 3))
+ if (dst_metric(dst, RTAX_RTT) == 0 || tp->srtt == 0)
goto reset;
/* Initial rtt is determined from SYN,SYN-ACK.
@@ -916,19 +918,26 @@ static void tcp_init_metrics(struct sock *sk)
tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk));
}
tcp_set_rto(sk);
- if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp) {
reset:
- /* Play conservative. If timestamps are not
- * supported, TCP will fail to recalculate correct
- * rtt, if initial rto is too small. FORGET ALL AND RESET!
+ if (tp->srtt == 0) {
+ /* RFC2988bis: We've failed to get a valid RTT sample from
+ * 3WHS. This is most likely due to retransmission,
+ * including spurious one. Reset the RTO back to 3secs
+ * from the more aggressive 1sec to avoid more spurious
+ * retransmission.
*/
- if (!tp->rx_opt.saw_tstamp && tp->srtt) {
- tp->srtt = 0;
- tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_INIT;
- inet_csk(sk)->icsk_rto = TCP_TIMEOUT_INIT;
- }
+ tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_FALLBACK;
+ inet_csk(sk)->icsk_rto = TCP_TIMEOUT_FALLBACK;
}
- tp->snd_cwnd = tcp_init_cwnd(tp, dst);
+ /* Cut cwnd down to 1 per RFC5681 if SYN or SYN-ACK has been
+ * retransmitted. In light of RFC2988bis' more aggressive 1sec
+ * initRTO, we only reset cwnd when more than 1 SYN/SYN-ACK
+ * retransmission has occurred.
+ */
+ if (tp->total_retrans > 1)
+ tp->snd_cwnd = 1;
+ else
+ tp->snd_cwnd = tcp_init_cwnd(tp, dst);
tp->snd_cwnd_stamp = tcp_time_stamp;
}
@@ -3112,12 +3121,13 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
tcp_xmit_retransmit_queue(sk);
}
-static void tcp_valid_rtt_meas(struct sock *sk, u32 seq_rtt)
+void tcp_valid_rtt_meas(struct sock *sk, u32 seq_rtt)
{
tcp_rtt_estimator(sk, seq_rtt);
tcp_set_rto(sk);
inet_csk(sk)->icsk_backoff = 0;
}
+EXPORT_SYMBOL(tcp_valid_rtt_meas);
/* Read draft-ietf-tcplw-high-performance before mucking
* with this code. (Supersedes RFC1323)
@@ -5806,12 +5816,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
tp->rx_opt.snd_wscale;
tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);
- /* tcp_ack considers this ACK as duplicate
- * and does not calculate rtt.
- * Force it here.
- */
- tcp_ack_update_rtt(sk, 0, 0);
-
if (tp->rx_opt.tstamp_ok)
tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 708dc203b03..955b8e65b69 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -429,8 +429,8 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
break;
icsk->icsk_backoff--;
- inet_csk(sk)->icsk_rto = __tcp_set_rto(tp) <<
- icsk->icsk_backoff;
+ inet_csk(sk)->icsk_rto = (tp->srtt ? __tcp_set_rto(tp) :
+ TCP_TIMEOUT_INIT) << icsk->icsk_backoff;
tcp_bound_rto(sk);
skb = tcp_write_queue_head(sk);
@@ -1384,6 +1384,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
isn = tcp_v4_init_sequence(skb);
}
tcp_rsk(req)->snt_isn = isn;
+ tcp_rsk(req)->snt_synack = tcp_time_stamp;
if (tcp_v4_send_synack(sk, dst, req,
(struct request_values *)&tmp_ext) ||
@@ -1458,6 +1459,10 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
newtp->advmss = tcp_sk(sk)->rx_opt.user_mss;
tcp_initialize_rcv_mss(newsk);
+ if (tcp_rsk(req)->snt_synack)
+ tcp_valid_rtt_meas(newsk,
+ tcp_time_stamp - tcp_rsk(req)->snt_synack);
+ newtp->total_retrans = req->retrans;
#ifdef CONFIG_TCP_MD5SIG
/* Copy over the MD5 key from the original socket */
@@ -1855,7 +1860,7 @@ static int tcp_v4_init_sock(struct sock *sk)
* algorithms that we must have the following bandaid to talk
* efficiently to them. -DaveM
*/
- tp->snd_cwnd = 2;
+ tp->snd_cwnd = TCP_INIT_CWND;
/* See draft-stevens-tcpca-spec-01 for discussion of the
* initialization of these values.
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 80b1f80759a..d2fe4e06b47 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -486,7 +486,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
* algorithms that we must have the following bandaid to talk
* efficiently to them. -DaveM
*/
- newtp->snd_cwnd = 2;
+ newtp->snd_cwnd = TCP_INIT_CWND;
newtp->snd_cwnd_cnt = 0;
newtp->bytes_acked = 0;
@@ -720,6 +720,10 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDEFERACCEPTDROP);
return NULL;
}
+ if (tmp_opt.saw_tstamp && tmp_opt.rcv_tsecr)
+ tcp_rsk(req)->snt_synack = tmp_opt.rcv_tsecr;
+ else if (req->retrans) /* don't take RTT sample if retrans && ~TS */
+ tcp_rsk(req)->snt_synack = 0;
/* OK, ACK is valid, create big socket and
* feed this segment to it. It will repeat all
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index abca870d8ff..1b5a19340a9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -105,6 +105,7 @@
#include <net/route.h>
#include <net/checksum.h>
#include <net/xfrm.h>
+#include <trace/events/udp.h>
#include "udp_impl.h"
struct udp_table udp_table __read_mostly;
@@ -1249,6 +1250,9 @@ csum_copy_err:
if (noblock)
return -EAGAIN;
+
+ /* starting over for a new packet */
+ msg->msg_flags &= ~MSG_TRUNC;
goto try_again;
}
@@ -1363,6 +1367,7 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
is_udplite);
UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
kfree_skb(skb);
+ trace_udp_fail_queue_rcv_skb(rc, sk);
return -1;
}
@@ -2206,16 +2211,10 @@ void __init udp_table_init(struct udp_table *table, const char *name)
void __init udp_init(void)
{
- unsigned long nr_pages, limit;
+ unsigned long limit;
udp_table_init(&udp_table, "UDP");
- /* Set the pressure threshold up by the same strategy of TCP. It is a
- * fraction of global memory that is up to 1/2 at 256 MB, decreasing
- * toward zero with the amount of memory, with a floor of 128 pages.
- */
- nr_pages = totalram_pages - totalhigh_pages;
- limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
- limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+ limit = nr_free_buffer_pages() / 8;
limit = max(limit, 128UL);
sysctl_udp_mem[0] = limit / 4 * 3;
sysctl_udp_mem[1] = limit;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2d51840e53a..327a617d594 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -32,7 +32,12 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
dst = skb_dst(skb);
mtu = dst_mtu(dst);
if (skb->len > mtu) {
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+ if (skb->sk)
+ ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
+ inet_sk(skb->sk)->inet_dport, mtu);
+ else
+ icmp_send(skb, ICMP_DEST_UNREACH,
+ ICMP_FRAG_NEEDED, htonl(mtu));
ret = -EMSGSIZE;
}
out:
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 981e43eaf70..fc5368ad2b0 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -117,7 +117,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
memset(fl4, 0, sizeof(struct flowi4));
fl4->flowi4_mark = skb->mark;
- if (!(iph->frag_off & htons(IP_MF | IP_OFFSET))) {
+ if (!ip_is_fragment(iph)) {
switch (iph->protocol) {
case IPPROTO_UDP:
case IPPROTO_UDPLITE:
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 498b927f68b..a06c53c14d8 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -656,7 +656,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
* layer address of our nexhop router
*/
- if (rt->rt6i_nexthop == NULL)
+ if (dst_get_neighbour(&rt->dst) == NULL)
ifa->flags &= ~IFA_F_OPTIMISTIC;
ifa->idev = idev;
@@ -1470,6 +1470,8 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr)
static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
{
struct in6_addr addr;
+ if (ifp->prefix_len == 127) /* RFC 6164 */
+ return;
ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
if (ipv6_addr_any(&addr))
return;
@@ -1559,6 +1561,11 @@ static int addrconf_ifid_sit(u8 *eui, struct net_device *dev)
return -1;
}
+static int addrconf_ifid_gre(u8 *eui, struct net_device *dev)
+{
+ return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr);
+}
+
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
{
switch (dev->type) {
@@ -1572,6 +1579,8 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
return addrconf_ifid_infiniband(eui, dev);
case ARPHRD_SIT:
return addrconf_ifid_sit(eui, dev);
+ case ARPHRD_IPGRE:
+ return addrconf_ifid_gre(eui, dev);
}
return -1;
}
@@ -2423,6 +2432,29 @@ static void addrconf_sit_config(struct net_device *dev)
}
#endif
+#if defined(CONFIG_NET_IPGRE) || defined(CONFIG_NET_IPGRE_MODULE)
+static void addrconf_gre_config(struct net_device *dev)
+{
+ struct inet6_dev *idev;
+ struct in6_addr addr;
+
+ pr_info("ipv6: addrconf_gre_config(%s)\n", dev->name);
+
+ ASSERT_RTNL();
+
+ if ((idev = ipv6_find_idev(dev)) == NULL) {
+ printk(KERN_DEBUG "init gre: add_dev failed\n");
+ return;
+ }
+
+ ipv6_addr_set(&addr, htonl(0xFE800000), 0, 0, 0);
+ addrconf_prefix_route(&addr, 64, dev, 0, 0);
+
+ if (!ipv6_generate_eui64(addr.s6_addr + 8, dev))
+ addrconf_add_linklocal(idev, &addr);
+}
+#endif
+
static inline int
ipv6_inherit_linklocal(struct inet6_dev *idev, struct net_device *link_dev)
{
@@ -2539,6 +2571,11 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
addrconf_sit_config(dev);
break;
#endif
+#if defined(CONFIG_NET_IPGRE) || defined(CONFIG_NET_IPGRE_MODULE)
+ case ARPHRD_IPGRE:
+ addrconf_gre_config(dev);
+ break;
+#endif
case ARPHRD_TUNNEL6:
addrconf_ip6_tnl_config(dev);
break;
@@ -4692,16 +4729,20 @@ int __init addrconf_init(void)
if (err < 0)
goto errout_af;
- err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo);
+ err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo,
+ NULL);
if (err < 0)
goto errout;
/* Only the first call to __rtnl_register can fail */
- __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL);
- __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL);
- __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr, inet6_dump_ifaddr);
- __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL, inet6_dump_ifmcaddr);
- __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL, inet6_dump_ifacaddr);
+ __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL, NULL);
+ __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL, NULL);
+ __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr,
+ inet6_dump_ifaddr, NULL);
+ __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL,
+ inet6_dump_ifmcaddr, NULL);
+ __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL,
+ inet6_dump_ifacaddr, NULL);
ipv6_addr_label_rtnl_register();
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index c8993e5a337..2d8ddba9ee5 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -592,8 +592,11 @@ out:
void __init ipv6_addr_label_rtnl_register(void)
{
- __rtnl_register(PF_INET6, RTM_NEWADDRLABEL, ip6addrlbl_newdel, NULL);
- __rtnl_register(PF_INET6, RTM_DELADDRLABEL, ip6addrlbl_newdel, NULL);
- __rtnl_register(PF_INET6, RTM_GETADDRLABEL, ip6addrlbl_get, ip6addrlbl_dump);
+ __rtnl_register(PF_INET6, RTM_NEWADDRLABEL, ip6addrlbl_newdel,
+ NULL, NULL);
+ __rtnl_register(PF_INET6, RTM_DELADDRLABEL, ip6addrlbl_newdel,
+ NULL, NULL);
+ __rtnl_register(PF_INET6, RTM_GETADDRLABEL, ip6addrlbl_get,
+ ip6addrlbl_dump, NULL);
}
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index d450a2f9fc0..3b5669a2582 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -274,7 +274,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
return -EINVAL;
if (addr->sin6_family != AF_INET6)
- return -EINVAL;
+ return -EAFNOSUPPORT;
addr_type = ipv6_addr_type(&addr->sin6_addr);
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 4076a0b14b2..54a4678955b 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1455,7 +1455,7 @@ static int fib6_age(struct rt6_info *rt, void *arg)
RT6_TRACE("aging clone %p\n", rt);
return -1;
} else if ((rt->rt6i_flags & RTF_GATEWAY) &&
- (!(rt->rt6i_nexthop->flags & NTF_ROUTER))) {
+ (!(dst_get_neighbour(&rt->dst)->flags & NTF_ROUTER))) {
RT6_TRACE("purging route %p via non-router but gateway\n",
rt);
return -1;
@@ -1586,7 +1586,8 @@ int __init fib6_init(void)
if (ret)
goto out_kmem_cache_create;
- ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib);
+ ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib,
+ NULL);
if (ret)
goto out_unregister_subsys;
out:
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9d4b165837d..32e5339db0c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -100,6 +100,7 @@ static int ip6_finish_output2(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct net_device *dev = dst->dev;
+ struct neighbour *neigh;
skb->protocol = htons(ETH_P_IPV6);
skb->dev = dev;
@@ -134,10 +135,9 @@ static int ip6_finish_output2(struct sk_buff *skb)
skb->len);
}
- if (dst->hh)
- return neigh_hh_output(dst->hh, skb);
- else if (dst->neighbour)
- return dst->neighbour->output(skb);
+ neigh = dst_get_neighbour(dst);
+ if (neigh)
+ return neigh_output(neigh, skb);
IP6_INC_STATS_BH(dev_net(dst->dev),
ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
@@ -385,6 +385,7 @@ int ip6_forward(struct sk_buff *skb)
struct ipv6hdr *hdr = ipv6_hdr(skb);
struct inet6_skb_parm *opt = IP6CB(skb);
struct net *net = dev_net(dst->dev);
+ struct neighbour *n;
u32 mtu;
if (net->ipv6.devconf_all->forwarding == 0)
@@ -459,11 +460,10 @@ int ip6_forward(struct sk_buff *skb)
send redirects to source routed frames.
We don't send redirects to frames decapsulated from IPsec.
*/
- if (skb->dev == dst->dev && dst->neighbour && opt->srcrt == 0 &&
- !skb_sec_path(skb)) {
+ n = dst_get_neighbour(dst);
+ if (skb->dev == dst->dev && n && opt->srcrt == 0 && !skb_sec_path(skb)) {
struct in6_addr *target = NULL;
struct rt6_info *rt;
- struct neighbour *n = dst->neighbour;
/*
* incoming and outgoing devices are the same
@@ -596,6 +596,31 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
return offset;
}
+void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt)
+{
+ static atomic_t ipv6_fragmentation_id;
+ int old, new;
+
+ if (rt) {
+ struct inet_peer *peer;
+
+ if (!rt->rt6i_peer)
+ rt6_bind_peer(rt, 1);
+ peer = rt->rt6i_peer;
+ if (peer) {
+ fhdr->identification = htonl(inet_getid(peer, 0));
+ return;
+ }
+ }
+ do {
+ old = atomic_read(&ipv6_fragmentation_id);
+ new = old + 1;
+ if (!new)
+ new = 1;
+ } while (atomic_cmpxchg(&ipv6_fragmentation_id, old, new) != old);
+ fhdr->identification = htonl(new);
+}
+
int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
{
struct sk_buff *frag;
@@ -680,7 +705,7 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_reset_network_header(skb);
memcpy(skb_network_header(skb), tmp_hdr, hlen);
- ipv6_select_ident(fh);
+ ipv6_select_ident(fh, rt);
fh->nexthdr = nexthdr;
fh->reserved = 0;
fh->frag_off = htons(IP6_MF);
@@ -826,7 +851,7 @@ slow_path:
fh->nexthdr = nexthdr;
fh->reserved = 0;
if (!frag_id) {
- ipv6_select_ident(fh);
+ ipv6_select_ident(fh, rt);
frag_id = fh->identification;
} else
fh->identification = frag_id;
@@ -920,8 +945,11 @@ out:
static int ip6_dst_lookup_tail(struct sock *sk,
struct dst_entry **dst, struct flowi6 *fl6)
{
- int err;
struct net *net = sock_net(sk);
+#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
+ struct neighbour *n;
+#endif
+ int err;
if (*dst == NULL)
*dst = ip6_route_output(net, sk, fl6);
@@ -947,7 +975,8 @@ static int ip6_dst_lookup_tail(struct sock *sk,
* dst entry and replace it instead with the
* dst entry of the nexthop router
*/
- if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) {
+ n = dst_get_neighbour(*dst);
+ if (n && !(n->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi6 fl_gw6;
int redirect;
@@ -1072,7 +1101,8 @@ static inline int ip6_ufo_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int length, int hh_len, int fragheaderlen,
- int transhdrlen, int mtu,unsigned int flags)
+ int transhdrlen, int mtu,unsigned int flags,
+ struct rt6_info *rt)
{
struct sk_buff *skb;
@@ -1116,7 +1146,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
sizeof(struct frag_hdr)) & ~7;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
- ipv6_select_ident(&fhdr);
+ ipv6_select_ident(&fhdr, rt);
skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
__skb_queue_tail(&sk->sk_write_queue, skb);
@@ -1282,7 +1312,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
err = ip6_ufo_append_data(sk, getfrag, from, length,
hh_len, fragheaderlen,
- transhdrlen, mtu, flags);
+ transhdrlen, mtu, flags, rt);
if (err)
goto error;
return 0;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 82a809901f8..705c8288628 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1354,7 +1354,8 @@ int __init ip6_mr_init(void)
goto add_proto_fail;
}
#endif
- rtnl_register(RTNL_FAMILY_IP6MR, RTM_GETROUTE, NULL, ip6mr_rtm_dumproute);
+ rtnl_register(RTNL_FAMILY_IP6MR, RTM_GETROUTE, NULL,
+ ip6mr_rtm_dumproute, NULL);
return 0;
#ifdef CONFIG_IPV6_PIMSM_V2
add_proto_fail:
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7596f071d30..9da6e02eaae 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -107,8 +107,6 @@ static const struct neigh_ops ndisc_generic_ops = {
.error_report = ndisc_error_report,
.output = neigh_resolve_output,
.connected_output = neigh_connected_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
static const struct neigh_ops ndisc_hh_ops = {
@@ -117,17 +115,13 @@ static const struct neigh_ops ndisc_hh_ops = {
.error_report = ndisc_error_report,
.output = neigh_resolve_output,
.connected_output = neigh_resolve_output,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
};
static const struct neigh_ops ndisc_direct_ops = {
.family = AF_INET6,
- .output = dev_queue_xmit,
- .connected_output = dev_queue_xmit,
- .hh_output = dev_queue_xmit,
- .queue_xmit = dev_queue_xmit,
+ .output = neigh_direct_output,
+ .connected_output = neigh_direct_output,
};
struct neigh_table nd_tbl = {
@@ -392,7 +386,7 @@ static int ndisc_constructor(struct neighbour *neigh)
if (!dev->header_ops) {
neigh->nud_state = NUD_NOARP;
neigh->ops = &ndisc_direct_ops;
- neigh->output = neigh->ops->queue_xmit;
+ neigh->output = neigh_direct_output;
} else {
if (is_multicast) {
neigh->nud_state = NUD_NOARP;
@@ -1244,7 +1238,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
rt = rt6_get_dflt_router(&ipv6_hdr(skb)->saddr, skb->dev);
if (rt)
- neigh = rt->rt6i_nexthop;
+ neigh = dst_get_neighbour(&rt->dst);
if (rt && lifetime == 0) {
neigh_clone(neigh);
@@ -1265,7 +1259,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
return;
}
- neigh = rt->rt6i_nexthop;
+ neigh = dst_get_neighbour(&rt->dst);
if (neigh == NULL) {
ND_PRINTK0(KERN_ERR
"ICMPv6 RA: %s() got default router without neighbour.\n",
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index cc7313b8f7e..6a79f3081bd 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -959,57 +959,54 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
return -EFAULT;
switch (optname) {
- case IPV6_CHECKSUM:
- if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
- level == IPPROTO_IPV6) {
- /*
- * RFC3542 tells that IPV6_CHECKSUM socket
- * option in the IPPROTO_IPV6 level is not
- * allowed on ICMPv6 sockets.
- * If you want to set it, use IPPROTO_RAW
- * level IPV6_CHECKSUM socket option
- * (Linux extension).
- */
- return -EINVAL;
- }
+ case IPV6_CHECKSUM:
+ if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
+ level == IPPROTO_IPV6) {
+ /*
+ * RFC3542 tells that IPV6_CHECKSUM socket
+ * option in the IPPROTO_IPV6 level is not
+ * allowed on ICMPv6 sockets.
+ * If you want to set it, use IPPROTO_RAW
+ * level IPV6_CHECKSUM socket option
+ * (Linux extension).
+ */
+ return -EINVAL;
+ }
- /* You may get strange result with a positive odd offset;
- RFC2292bis agrees with me. */
- if (val > 0 && (val&1))
- return -EINVAL;
- if (val < 0) {
- rp->checksum = 0;
- } else {
- rp->checksum = 1;
- rp->offset = val;
- }
+ /* You may get strange result with a positive odd offset;
+ RFC2292bis agrees with me. */
+ if (val > 0 && (val&1))
+ return -EINVAL;
+ if (val < 0) {
+ rp->checksum = 0;
+ } else {
+ rp->checksum = 1;
+ rp->offset = val;
+ }
- return 0;
- break;
+ return 0;
- default:
- return -ENOPROTOOPT;
+ default:
+ return -ENOPROTOOPT;
}
}
static int rawv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
- switch(level) {
- case SOL_RAW:
- break;
+ switch (level) {
+ case SOL_RAW:
+ break;
- case SOL_ICMPV6:
- if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
- return -EOPNOTSUPP;
- return rawv6_seticmpfilter(sk, level, optname, optval,
- optlen);
- case SOL_IPV6:
- if (optname == IPV6_CHECKSUM)
- break;
- default:
- return ipv6_setsockopt(sk, level, optname, optval,
- optlen);
+ case SOL_ICMPV6:
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+ return -EOPNOTSUPP;
+ return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
+ case SOL_IPV6:
+ if (optname == IPV6_CHECKSUM)
+ break;
+ default:
+ return ipv6_setsockopt(sk, level, optname, optval, optlen);
}
return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
@@ -1075,21 +1072,19 @@ static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
static int rawv6_getsockopt(struct sock *sk, int level, int optname,
char __user *optval, int __user *optlen)
{
- switch(level) {
- case SOL_RAW:
- break;
+ switch (level) {
+ case SOL_RAW:
+ break;
- case SOL_ICMPV6:
- if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
- return -EOPNOTSUPP;
- return rawv6_geticmpfilter(sk, level, optname, optval,
- optlen);
- case SOL_IPV6:
- if (optname == IPV6_CHECKSUM)
- break;
- default:
- return ipv6_getsockopt(sk, level, optname, optval,
- optlen);
+ case SOL_ICMPV6:
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+ return -EOPNOTSUPP;
+ return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
+ case SOL_IPV6:
+ if (optname == IPV6_CHECKSUM)
+ break;
+ default:
+ return ipv6_getsockopt(sk, level, optname, optval, optlen);
}
return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
@@ -1119,31 +1114,29 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
{
- switch(cmd) {
- case SIOCOUTQ:
- {
- int amount = sk_wmem_alloc_get(sk);
+ switch (cmd) {
+ case SIOCOUTQ: {
+ int amount = sk_wmem_alloc_get(sk);
- return put_user(amount, (int __user *)arg);
- }
- case SIOCINQ:
- {
- struct sk_buff *skb;
- int amount = 0;
-
- spin_lock_bh(&sk->sk_receive_queue.lock);
- skb = skb_peek(&sk->sk_receive_queue);
- if (skb != NULL)
- amount = skb->tail - skb->transport_header;
- spin_unlock_bh(&sk->sk_receive_queue.lock);
- return put_user(amount, (int __user *)arg);
- }
+ return put_user(amount, (int __user *)arg);
+ }
+ case SIOCINQ: {
+ struct sk_buff *skb;
+ int amount = 0;
+
+ spin_lock_bh(&sk->sk_receive_queue.lock);
+ skb = skb_peek(&sk->sk_receive_queue);
+ if (skb != NULL)
+ amount = skb->tail - skb->transport_header;
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
+ return put_user(amount, (int __user *)arg);
+ }
- default:
+ default:
#ifdef CONFIG_IPV6_MROUTE
- return ip6mr_ioctl(sk, cmd, (void __user *)arg);
+ return ip6mr_ioctl(sk, cmd, (void __user *)arg);
#else
- return -ENOIOCTLCMD;
+ return -ENOIOCTLCMD;
#endif
}
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index de2b1decd78..e8987da0666 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -72,7 +72,8 @@
#define RT6_TRACE(x...) do { ; } while (0)
#endif
-static struct rt6_info * ip6_rt_copy(struct rt6_info *ort);
+static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
+ const struct in6_addr *dest);
static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie);
static unsigned int ip6_default_advmss(const struct dst_entry *dst);
static unsigned int ip6_default_mtu(const struct dst_entry *dst);
@@ -127,6 +128,11 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
return p;
}
+static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ return __neigh_lookup_errno(&nd_tbl, daddr, dst->dev);
+}
+
static struct dst_ops ip6_dst_ops_template = {
.family = AF_INET6,
.protocol = cpu_to_be16(ETH_P_IPV6),
@@ -142,6 +148,7 @@ static struct dst_ops ip6_dst_ops_template = {
.link_failure = ip6_link_failure,
.update_pmtu = ip6_rt_update_pmtu,
.local_out = __ip6_local_out,
+ .neigh_lookup = ip6_neigh_lookup,
};
static unsigned int ip6_blackhole_default_mtu(const struct dst_entry *dst)
@@ -168,6 +175,7 @@ static struct dst_ops ip6_dst_blackhole_ops = {
.default_advmss = ip6_default_advmss,
.update_pmtu = ip6_rt_blackhole_update_pmtu,
.cow_metrics = ip6_rt_blackhole_cow_metrics,
+ .neigh_lookup = ip6_neigh_lookup,
};
static const u32 ip6_template_metrics[RTAX_MAX] = {
@@ -228,9 +236,10 @@ static struct rt6_info ip6_blk_hole_entry_template = {
/* allocate dst with ip6_dst_ops */
static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
- struct net_device *dev)
+ struct net_device *dev,
+ int flags)
{
- struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, 0);
+ struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
@@ -355,7 +364,7 @@ out:
#ifdef CONFIG_IPV6_ROUTER_PREF
static void rt6_probe(struct rt6_info *rt)
{
- struct neighbour *neigh = rt ? rt->rt6i_nexthop : NULL;
+ struct neighbour *neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
/*
* Okay, this does not seem to be appropriate
* for now, however, we need to check if it
@@ -403,7 +412,7 @@ static inline int rt6_check_dev(struct rt6_info *rt, int oif)
static inline int rt6_check_neigh(struct rt6_info *rt)
{
- struct neighbour *neigh = rt->rt6i_nexthop;
+ struct neighbour *neigh = dst_get_neighbour(&rt->dst);
int m;
if (rt->rt6i_flags & RTF_NONEXTHOP ||
!(rt->rt6i_flags & RTF_GATEWAY))
@@ -682,7 +691,8 @@ int ip6_ins_rt(struct rt6_info *rt)
return __ip6_ins_rt(rt, &info);
}
-static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_addr *daddr,
+static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
+ const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
struct rt6_info *rt;
@@ -691,7 +701,7 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
* Clone the route.
*/
- rt = ip6_rt_copy(ort);
+ rt = ip6_rt_copy(ort, daddr);
if (rt) {
struct neighbour *neigh;
@@ -699,12 +709,11 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
if (!(rt->rt6i_flags&RTF_GATEWAY)) {
if (rt->rt6i_dst.plen != 128 &&
- ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))
+ ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
rt->rt6i_flags |= RTF_ANYCAST;
ipv6_addr_copy(&rt->rt6i_gateway, daddr);
}
- ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->dst.flags |= DST_HOST;
@@ -744,22 +753,23 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_add
dst_free(&rt->dst);
return NULL;
}
- rt->rt6i_nexthop = neigh;
+ dst_set_neighbour(&rt->dst, neigh);
}
return rt;
}
-static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, const struct in6_addr *daddr)
+static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort,
+ const struct in6_addr *daddr)
{
- struct rt6_info *rt = ip6_rt_copy(ort);
+ struct rt6_info *rt = ip6_rt_copy(ort, daddr);
+
if (rt) {
- ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
rt->rt6i_dst.plen = 128;
rt->rt6i_flags |= RTF_CACHE;
rt->dst.flags |= DST_HOST;
- rt->rt6i_nexthop = neigh_clone(ort->rt6i_nexthop);
+ dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour(&ort->dst)));
}
return rt;
}
@@ -793,7 +803,7 @@ restart:
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
- if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl6->daddr);
@@ -899,7 +909,10 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
new->input = dst_discard;
new->output = dst_discard;
- dst_copy_metrics(new, &ort->dst);
+ if (dst_metrics_read_only(&ort->dst))
+ new->_metrics = ort->dst._metrics;
+ else
+ dst_copy_metrics(new, &ort->dst);
rt->rt6i_idev = ort->rt6i_idev;
if (rt->rt6i_idev)
in6_dev_hold(rt->rt6i_idev);
@@ -1042,7 +1055,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
if (unlikely(idev == NULL))
return NULL;
- rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev);
+ rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
if (unlikely(rt == NULL)) {
in6_dev_put(idev);
goto out;
@@ -1057,19 +1070,12 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
}
rt->rt6i_idev = idev;
- rt->rt6i_nexthop = neigh;
+ dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
+ ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
rt->dst.output = ip6_output;
-#if 0 /* there's no chance to use these for ndisc */
- rt->dst.flags = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
- ? DST_HOST
- : 0;
- ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
- rt->rt6i_dst.plen = 128;
-#endif
-
spin_lock_bh(&icmp6_dst_lock);
rt->dst.next = icmp6_dst_gc_list;
icmp6_dst_gc_list = &rt->dst;
@@ -1214,7 +1220,7 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
}
- rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL);
+ rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL, DST_NOCOUNT);
if (rt == NULL) {
err = -ENOMEM;
@@ -1244,7 +1250,7 @@ int ip6_route_add(struct fib6_config *cfg)
ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
rt->rt6i_dst.plen = cfg->fc_dst_len;
if (rt->rt6i_dst.plen == 128)
- rt->dst.flags = DST_HOST;
+ rt->dst.flags |= DST_HOST;
#ifdef CONFIG_IPV6_SUBTREES
ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
@@ -1345,12 +1351,12 @@ int ip6_route_add(struct fib6_config *cfg)
rt->rt6i_prefsrc.plen = 0;
if (cfg->fc_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) {
- rt->rt6i_nexthop = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev);
- if (IS_ERR(rt->rt6i_nexthop)) {
- err = PTR_ERR(rt->rt6i_nexthop);
- rt->rt6i_nexthop = NULL;
+ struct neighbour *n = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev);
+ if (IS_ERR(n)) {
+ err = PTR_ERR(n);
goto out;
}
+ dst_set_neighbour(&rt->dst, n);
}
rt->rt6i_flags = cfg->fc_flags;
@@ -1581,10 +1587,10 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
dst_confirm(&rt->dst);
/* Duplicate redirect: silently ignore. */
- if (neigh == rt->dst.neighbour)
+ if (neigh == dst_get_neighbour(&rt->dst))
goto out;
- nrt = ip6_rt_copy(rt);
+ nrt = ip6_rt_copy(rt, dest);
if (nrt == NULL)
goto out;
@@ -1592,12 +1598,11 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
if (on_link)
nrt->rt6i_flags &= ~RTF_GATEWAY;
- ipv6_addr_copy(&nrt->rt6i_dst.addr, dest);
nrt->rt6i_dst.plen = 128;
nrt->dst.flags |= DST_HOST;
ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key);
- nrt->rt6i_nexthop = neigh_clone(neigh);
+ dst_set_neighbour(&nrt->dst, neigh_clone(neigh));
if (ip6_ins_rt(nrt))
goto out;
@@ -1677,7 +1682,7 @@ again:
1. It is connected route. Action: COW
2. It is gatewayed route or NONEXTHOP route. Action: clone it.
*/
- if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, daddr, saddr);
else
nrt = rt6_alloc_clone(rt, daddr);
@@ -1730,16 +1735,19 @@ void rt6_pmtu_discovery(const struct in6_addr *daddr, const struct in6_addr *sad
* Misc support functions
*/
-static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
+static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
+ const struct in6_addr *dest)
{
struct net *net = dev_net(ort->rt6i_dev);
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
- ort->dst.dev);
+ ort->dst.dev, 0);
if (rt) {
rt->dst.input = ort->dst.input;
rt->dst.output = ort->dst.output;
+ ipv6_addr_copy(&rt->rt6i_dst.addr, dest);
+ rt->rt6i_dst.plen = ort->rt6i_dst.plen;
dst_copy_metrics(&rt->dst, &ort->dst);
rt->dst.error = ort->dst.error;
rt->rt6i_idev = ort->rt6i_idev;
@@ -1752,7 +1760,6 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES;
rt->rt6i_metric = 0;
- memcpy(&rt->rt6i_dst, &ort->rt6i_dst, sizeof(struct rt6key));
#ifdef CONFIG_IPV6_SUBTREES
memcpy(&rt->rt6i_src, &ort->rt6i_src, sizeof(struct rt6key));
#endif
@@ -2013,7 +2020,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
{
struct net *net = dev_net(idev->dev);
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
- net->loopback_dev);
+ net->loopback_dev, 0);
struct neighbour *neigh;
if (rt == NULL) {
@@ -2025,7 +2032,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
in6_dev_hold(idev);
- rt->dst.flags = DST_HOST;
+ rt->dst.flags |= DST_HOST;
rt->dst.input = ip6_input;
rt->dst.output = ip6_output;
rt->rt6i_idev = idev;
@@ -2042,7 +2049,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
return ERR_CAST(neigh);
}
- rt->rt6i_nexthop = neigh;
+ dst_set_neighbour(&rt->dst, neigh);
ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
rt->rt6i_dst.plen = 128;
@@ -2407,8 +2414,8 @@ static int rt6_fill_node(struct net *net,
if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0)
goto nla_put_failure;
- if (rt->dst.neighbour)
- NLA_PUT(skb, RTA_GATEWAY, 16, &rt->dst.neighbour->primary_key);
+ if (dst_get_neighbour(&rt->dst))
+ NLA_PUT(skb, RTA_GATEWAY, 16, &dst_get_neighbour(&rt->dst)->primary_key);
if (rt->dst.dev)
NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex);
@@ -2592,6 +2599,7 @@ struct rt6_proc_arg
static int rt6_info_route(struct rt6_info *rt, void *p_arg)
{
struct seq_file *m = p_arg;
+ struct neighbour *n;
seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
@@ -2600,9 +2608,9 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
#else
seq_puts(m, "00000000000000000000000000000000 00 ");
#endif
-
- if (rt->rt6i_nexthop) {
- seq_printf(m, "%pi6", rt->rt6i_nexthop->primary_key);
+ n = dst_get_neighbour(&rt->dst);
+ if (n) {
+ seq_printf(m, "%pi6", n->primary_key);
} else {
seq_puts(m, "00000000000000000000000000000000");
}
@@ -2925,9 +2933,9 @@ int __init ip6_route_init(void)
goto xfrm6_init;
ret = -ENOBUFS;
- if (__rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL) ||
- __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL) ||
- __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL))
+ if (__rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL, NULL) ||
+ __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL, NULL) ||
+ __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL, NULL))
goto fib6_rules_init;
ret = register_netdevice_notifier(&ip6_route_dev_notifier);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 1cca5761aea..07bf1085458 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -677,7 +677,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct neighbour *neigh = NULL;
if (skb_dst(skb))
- neigh = skb_dst(skb)->neighbour;
+ neigh = dst_get_neighbour(skb_dst(skb));
if (neigh == NULL) {
if (net_ratelimit())
@@ -702,7 +702,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct neighbour *neigh = NULL;
if (skb_dst(skb))
- neigh = skb_dst(skb)->neighbour;
+ neigh = dst_get_neighbour(skb_dst(skb));
if (neigh == NULL) {
if (net_ratelimit())
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 8b9644a8b69..89d5bf80622 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -223,6 +223,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
ireq->wscale_ok = tcp_opt.wscale_ok;
ireq->tstamp_ok = tcp_opt.saw_tstamp;
req->ts_recent = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+ treq->snt_synack = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 87551ca568c..78aa53492b3 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1341,6 +1341,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
}
have_isn:
tcp_rsk(req)->snt_isn = isn;
+ tcp_rsk(req)->snt_synack = tcp_time_stamp;
security_inet_conn_request(sk, skb, req);
@@ -1509,6 +1510,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
tcp_sync_mss(newsk, dst_mtu(dst));
newtp->advmss = dst_metric_advmss(dst);
tcp_initialize_rcv_mss(newsk);
+ if (tcp_rsk(req)->snt_synack)
+ tcp_valid_rtt_meas(newsk,
+ tcp_time_stamp - tcp_rsk(req)->snt_synack);
+ newtp->total_retrans = req->retrans;
newinet->inet_daddr = newinet->inet_saddr = LOOPBACK4_IPV6;
newinet->inet_rcv_saddr = LOOPBACK4_IPV6;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 41f8c9c08db..29213b51c49 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -453,8 +453,11 @@ csum_copy_err:
}
unlock_sock_fast(sk, slow);
- if (flags & MSG_DONTWAIT)
+ if (noblock)
return -EAGAIN;
+
+ /* starting over for a new packet */
+ msg->msg_flags &= ~MSG_TRUNC;
goto try_again;
}
@@ -1356,7 +1359,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, u32 features)
fptr = (struct frag_hdr *)(skb_network_header(skb) + unfrag_ip6hlen);
fptr->nexthdr = nexthdr;
fptr->reserved = 0;
- ipv6_select_ident(fptr);
+ ipv6_select_ident(fptr, (struct rt6_info *)skb_dst(skb));
/* Fragment the skb. ipv6 header and the remaining fields of the
* fragment header are updated in ipv6_gso_segment()
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index cc616974a44..c24f25ab67d 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -369,7 +369,7 @@ static void irda_getvalue_confirm(int result, __u16 obj_id,
{
struct irda_sock *self;
- self = (struct irda_sock *) priv;
+ self = priv;
if (!self) {
IRDA_WARNING("%s: lost myself!\n", __func__);
return;
@@ -418,7 +418,7 @@ static void irda_selective_discovery_indication(discinfo_t *discovery,
IRDA_DEBUG(2, "%s()\n", __func__);
- self = (struct irda_sock *) priv;
+ self = priv;
if (!self) {
IRDA_WARNING("%s: lost myself!\n", __func__);
return;
diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c
index 3c175402302..b65d66e0d81 100644
--- a/net/irda/ircomm/ircomm_tty_attach.c
+++ b/net/irda/ircomm/ircomm_tty_attach.c
@@ -382,7 +382,7 @@ static void ircomm_tty_discovery_indication(discinfo_t *discovery,
info.daddr = discovery->daddr;
info.saddr = discovery->saddr;
- self = (struct ircomm_tty_cb *) priv;
+ self = priv;
ircomm_tty_do_event(self, IRCOMM_TTY_DISCOVERY_INDICATION,
NULL, &info);
}
diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c
index 25cc2e69515..3eca35faf2a 100644
--- a/net/irda/irda_device.c
+++ b/net/irda/irda_device.c
@@ -262,7 +262,7 @@ static void irda_task_timer_expired(void *data)
IRDA_DEBUG(2, "%s()\n", __func__);
- task = (struct irda_task *) data;
+ task = data;
irda_task_kick(task);
}
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index f876eed7d4a..e71e85ba2bf 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -305,7 +305,7 @@ static void iriap_disconnect_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]);
- self = (struct iriap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
@@ -759,7 +759,7 @@ static void iriap_connect_confirm(void *instance, void *sap,
{
struct iriap_cb *self;
- self = (struct iriap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
@@ -791,7 +791,7 @@ static void iriap_connect_indication(void *instance, void *sap,
IRDA_DEBUG(1, "%s()\n", __func__);
- self = (struct iriap_cb *) instance;
+ self = instance;
IRDA_ASSERT(skb != NULL, return;);
IRDA_ASSERT(self != NULL, goto out;);
@@ -839,7 +839,7 @@ static int iriap_data_indication(void *instance, void *sap,
IRDA_DEBUG(3, "%s()\n", __func__);
- self = (struct iriap_cb *) instance;
+ self = instance;
IRDA_ASSERT(skb != NULL, return 0;);
IRDA_ASSERT(self != NULL, goto out;);
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index 7ed3af95793..ba1a3fc39b5 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -198,7 +198,7 @@ static int irlan_client_ctrl_data_indication(void *instance, void *sap,
IRDA_DEBUG(2, "%s()\n", __func__ );
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -226,8 +226,8 @@ static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s(), reason=%d\n", __func__ , reason);
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -298,7 +298,7 @@ static void irlan_client_ctrl_connect_confirm(void *instance, void *sap,
IRDA_DEBUG(4, "%s()\n", __func__ );
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -542,7 +542,7 @@ void irlan_client_get_value_confirm(int result, __u16 obj_id,
IRDA_ASSERT(priv != NULL, return;);
- self = (struct irlan_cb *) priv;
+ self = priv;
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
/* We probably don't need to make any more queries */
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 6130f9d9dbe..77911763627 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -317,8 +317,8 @@ static void irlan_connect_indication(void *instance, void *sap,
IRDA_DEBUG(2, "%s()\n", __func__ );
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -361,7 +361,7 @@ static void irlan_connect_confirm(void *instance, void *sap,
{
struct irlan_cb *self;
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -406,8 +406,8 @@ static void irlan_disconnect_indication(void *instance,
IRDA_DEBUG(0, "%s(), reason=%d\n", __func__ , reason);
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 8ee1ff6c742..e8d5f4405d6 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -272,7 +272,7 @@ void irlan_eth_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
struct irlan_cb *self;
struct net_device *dev;
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irlan/irlan_provider.c b/net/irda/irlan/irlan_provider.c
index b8af74ab8b6..8b61cf0d8a6 100644
--- a/net/irda/irlan/irlan_provider.c
+++ b/net/irda/irlan/irlan_provider.c
@@ -73,7 +73,7 @@ static int irlan_provider_data_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s()\n", __func__ );
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -131,8 +131,8 @@ static void irlan_provider_connect_indication(void *instance, void *sap,
IRDA_DEBUG(0, "%s()\n", __func__ );
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -182,8 +182,8 @@ static void irlan_provider_disconnect_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s(), reason=%d\n", __func__ , reason);
- self = (struct irlan_cb *) instance;
- tsap = (struct tsap_cb *) sap;
+ self = instance;
+ tsap = sap;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index 9715e6e5900..f06947c4fa8 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -780,7 +780,7 @@ void* hashbin_lock_find( hashbin_t* hashbin, long hashv, const char* name )
/*
* Search for entry
*/
- entry = (irda_queue_t* ) hashbin_find( hashbin, hashv, name );
+ entry = hashbin_find(hashbin, hashv, name);
/* Release lock */
spin_unlock_irqrestore(&hashbin->hb_spinlock, flags);
@@ -813,7 +813,7 @@ void* hashbin_find_next( hashbin_t* hashbin, long hashv, const char* name,
* This allow to check if the current item is still in the
* hashbin or has been removed.
*/
- entry = (irda_queue_t* ) hashbin_find( hashbin, hashv, name );
+ entry = hashbin_find(hashbin, hashv, name);
/*
* Trick hashbin_get_next() to return what we want
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 9d9af460697..285ccd623ae 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -350,7 +350,7 @@ static int irttp_param_max_sdu_size(void *instance, irda_param_t *param,
{
struct tsap_cb *self;
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;);
@@ -879,7 +879,7 @@ static int irttp_udata_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s()\n", __func__);
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;);
@@ -914,7 +914,7 @@ static int irttp_data_indication(void *instance, void *sap,
unsigned long flags;
int n;
- self = (struct tsap_cb *) instance;
+ self = instance;
n = skb->data[0] & 0x7f; /* Extract the credits */
@@ -996,7 +996,7 @@ static void irttp_status_indication(void *instance,
IRDA_DEBUG(4, "%s()\n", __func__);
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1025,7 +1025,7 @@ static void irttp_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
{
struct tsap_cb *self;
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1208,7 +1208,7 @@ static void irttp_connect_confirm(void *instance, void *sap,
IRDA_DEBUG(4, "%s()\n", __func__);
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1292,13 +1292,13 @@ static void irttp_connect_indication(void *instance, void *sap,
__u8 plen;
__u8 n;
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
IRDA_ASSERT(skb != NULL, return;);
- lsap = (struct lsap_cb *) sap;
+ lsap = sap;
self->max_seg_size = max_seg_size - TTP_HEADER;
self->max_header_size = max_header_size+TTP_HEADER;
@@ -1602,7 +1602,7 @@ static void irttp_disconnect_indication(void *instance, void *sap,
IRDA_DEBUG(4, "%s()\n", __func__);
- self = (struct tsap_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 7f9124914b1..f2b713847b4 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -1988,12 +1988,13 @@ static int __init iucv_init(void)
rc = -EPROTONOSUPPORT;
goto out;
}
+ ctl_set_bit(0, 1);
rc = iucv_query_maxconn();
if (rc)
- goto out;
+ goto out_ctl;
rc = register_external_interrupt(0x4000, iucv_external_interrupt);
if (rc)
- goto out;
+ goto out_ctl;
iucv_root = root_device_register("iucv");
if (IS_ERR(iucv_root)) {
rc = PTR_ERR(iucv_root);
@@ -2055,6 +2056,8 @@ out_free:
root_device_unregister(iucv_root);
out_int:
unregister_external_interrupt(0x4000, iucv_external_interrupt);
+out_ctl:
+ ctl_clear_bit(0, 1);
out:
return rc;
}
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 8f92cf8116e..1e733e9073d 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -621,7 +621,7 @@ static struct xfrm_state *pfkey_xfrm_state_lookup(struct net *net, const struct
unsigned short family;
xfrm_address_t *xaddr;
- sa = (const struct sadb_sa *) ext_hdrs[SADB_EXT_SA-1];
+ sa = ext_hdrs[SADB_EXT_SA - 1];
if (sa == NULL)
return NULL;
@@ -630,7 +630,7 @@ static struct xfrm_state *pfkey_xfrm_state_lookup(struct net *net, const struct
return NULL;
/* sadb_address_len should be checked by caller */
- addr = (const struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_DST-1];
+ addr = ext_hdrs[SADB_EXT_ADDRESS_DST - 1];
if (addr == NULL)
return NULL;
@@ -1039,7 +1039,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
int err;
- sa = (const struct sadb_sa *) ext_hdrs[SADB_EXT_SA-1];
+ sa = ext_hdrs[SADB_EXT_SA - 1];
if (!sa ||
!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
ext_hdrs[SADB_EXT_ADDRESS_DST-1]))
@@ -1078,7 +1078,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
sa->sadb_sa_encrypt > SADB_X_CALG_MAX) ||
sa->sadb_sa_encrypt > SADB_EALG_MAX)
return ERR_PTR(-EINVAL);
- key = (const struct sadb_key*) ext_hdrs[SADB_EXT_KEY_AUTH-1];
+ key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
if (key != NULL &&
sa->sadb_sa_auth != SADB_X_AALG_NULL &&
((key->sadb_key_bits+7) / 8 == 0 ||
@@ -1105,14 +1105,14 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
if (sa->sadb_sa_flags & SADB_SAFLAGS_NOPMTUDISC)
x->props.flags |= XFRM_STATE_NOPMTUDISC;
- lifetime = (const struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_HARD-1];
+ lifetime = ext_hdrs[SADB_EXT_LIFETIME_HARD - 1];
if (lifetime != NULL) {
x->lft.hard_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations);
x->lft.hard_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes);
x->lft.hard_add_expires_seconds = lifetime->sadb_lifetime_addtime;
x->lft.hard_use_expires_seconds = lifetime->sadb_lifetime_usetime;
}
- lifetime = (const struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_SOFT-1];
+ lifetime = ext_hdrs[SADB_EXT_LIFETIME_SOFT - 1];
if (lifetime != NULL) {
x->lft.soft_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations);
x->lft.soft_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes);
@@ -1120,7 +1120,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
x->lft.soft_use_expires_seconds = lifetime->sadb_lifetime_usetime;
}
- sec_ctx = (const struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+ sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
if (sec_ctx != NULL) {
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
@@ -1134,7 +1134,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
goto out;
}
- key = (const struct sadb_key*) ext_hdrs[SADB_EXT_KEY_AUTH-1];
+ key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
if (sa->sadb_sa_auth) {
int keysize = 0;
struct xfrm_algo_desc *a = xfrm_aalg_get_byid(sa->sadb_sa_auth);
@@ -2219,7 +2219,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, const struct sadb_
if (xp->selector.dport)
xp->selector.dport_mask = htons(0xffff);
- sec_ctx = (struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+ sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
if (sec_ctx != NULL) {
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
@@ -2323,7 +2323,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, const struct sa
if (sel.dport)
sel.dport_mask = htons(0xffff);
- sec_ctx = (struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+ sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
if (sec_ctx != NULL) {
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index b6466e71f5e..d21e7ebd91c 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -480,18 +480,16 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
if (connected)
rt = (struct rtable *) __sk_dst_check(sk, 0);
+ rcu_read_lock();
if (rt == NULL) {
- struct ip_options_rcu *inet_opt;
+ const struct ip_options_rcu *inet_opt;
- rcu_read_lock();
inet_opt = rcu_dereference(inet->inet_opt);
/* Use correct destination address if we have options. */
if (inet_opt && inet_opt->opt.srr)
daddr = inet_opt->opt.faddr;
- rcu_read_unlock();
-
/* If this fails, retransmit mechanism of transport layer will
* keep trying until route appears or the connection times
* itself out.
@@ -503,12 +501,20 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
sk->sk_bound_dev_if);
if (IS_ERR(rt))
goto no_route;
- sk_setup_caps(sk, &rt->dst);
+ if (connected)
+ sk_setup_caps(sk, &rt->dst);
+ else
+ dst_release(&rt->dst); /* safe since we hold rcu_read_lock */
}
- skb_dst_set(skb, dst_clone(&rt->dst));
+
+ /* We dont need to clone dst here, it is guaranteed to not disappear.
+ * __dev_xmit_skb() might force a refcount if needed.
+ */
+ skb_dst_set_noref(skb, &rt->dst);
/* Queue the packet to IP for output */
rc = ip_queue_xmit(skb, &inet->cork.fl);
+ rcu_read_unlock();
error:
/* Update stats */
@@ -525,6 +531,7 @@ out:
return rc;
no_route:
+ rcu_read_unlock();
IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
kfree_skb(skb);
rc = -EHOSTUNREACH;
diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index d5d8d555c41..956b7e47dc5 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -300,26 +300,26 @@ int lapb_disconnect_request(struct net_device *dev)
goto out;
switch (lapb->state) {
- case LAPB_STATE_0:
- rc = LAPB_NOTCONNECTED;
- goto out_put;
+ case LAPB_STATE_0:
+ rc = LAPB_NOTCONNECTED;
+ goto out_put;
- case LAPB_STATE_1:
+ case LAPB_STATE_1:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX DISC(1)\n", lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DISC(1)\n", lapb->dev);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
#endif
- lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);
- lapb->state = LAPB_STATE_0;
- lapb_start_t1timer(lapb);
- rc = LAPB_NOTCONNECTED;
- goto out_put;
-
- case LAPB_STATE_2:
- rc = LAPB_OK;
- goto out_put;
+ lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);
+ lapb->state = LAPB_STATE_0;
+ lapb_start_t1timer(lapb);
+ rc = LAPB_NOTCONNECTED;
+ goto out_put;
+
+ case LAPB_STATE_2:
+ rc = LAPB_OK;
+ goto out_put;
}
lapb_clear_queues(lapb);
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 21904a00244..2ec1af5c36c 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -44,89 +44,86 @@ static void lapb_state0_machine(struct lapb_cb *lapb, struct sk_buff *skb,
struct lapb_frame *frame)
{
switch (frame->type) {
- case LAPB_SABM:
+ case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- } else {
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->dev);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_3;
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_connect_indication(lapb, LAPB_OK);
- }
- break;
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_3;
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_connect_indication(lapb, LAPB_OK);
+ }
+ break;
- case LAPB_SABME:
+ case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->dev);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_3;
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_connect_indication(lapb, LAPB_OK);
- } else {
-#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_3;
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_connect_indication(lapb, LAPB_OK);
+ } else {
+#if LAPB_DEBUG > 1
+ printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- }
- break;
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ }
+ break;
- case LAPB_DISC:
+ case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n",
- lapb->dev, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n",
+ lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- break;
+ lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ break;
- default:
- break;
+ default:
+ break;
}
kfree_skb(skb);
@@ -140,100 +137,97 @@ static void lapb_state1_machine(struct lapb_cb *lapb, struct sk_buff *skb,
struct lapb_frame *frame)
{
switch (frame->type) {
- case LAPB_SABM:
+ case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
- lapb->dev, frame->pf);
-#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- } else {
-#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- }
- break;
-
- case LAPB_SABME:
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n",
+ printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ }
+ break;
+
+ case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- } else {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- }
- break;
-
- case LAPB_DISC:
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n",
- lapb->dev, frame->pf);
printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
lapb->dev, frame->pf);
#endif
lapb_send_control(lapb, LAPB_DM, frame->pf,
LAPB_RESPONSE);
- break;
+ }
+ break;
- case LAPB_UA:
+ case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n",
+ lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (frame->pf) {
-#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n",
- lapb->dev);
-#endif
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_3;
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_connect_confirmation(lapb, LAPB_OK);
- }
- break;
+ lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ break;
- case LAPB_DM:
+ case LAPB_UA:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (frame->pf) {
+ if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n",
- lapb->dev);
-#endif
- lapb_clear_queues(lapb);
- lapb->state = LAPB_STATE_0;
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb_disconnect_indication(lapb, LAPB_REFUSED);
- }
- break;
+ printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n", lapb->dev);
+#endif
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_3;
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_connect_confirmation(lapb, LAPB_OK);
+ }
+ break;
+
+ case LAPB_DM:
+#if LAPB_DEBUG > 1
+ printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n",
+ lapb->dev, frame->pf);
+#endif
+ if (frame->pf) {
+#if LAPB_DEBUG > 0
+ printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
+#endif
+ lapb_clear_queues(lapb);
+ lapb->state = LAPB_STATE_0;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb_disconnect_indication(lapb, LAPB_REFUSED);
+ }
+ break;
}
kfree_skb(skb);
@@ -247,78 +241,73 @@ static void lapb_state2_machine(struct lapb_cb *lapb, struct sk_buff *skb,
struct lapb_frame *frame)
{
switch (frame->type) {
- case LAPB_SABM:
- case LAPB_SABME:
+ case LAPB_SABM:
+ case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n",
- lapb->dev, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n",
+ lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- break;
+ lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+ break;
- case LAPB_DISC:
+ case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n",
- lapb->dev, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n",
+ lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- break;
+ lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ break;
- case LAPB_UA:
+ case LAPB_UA:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (frame->pf) {
+ if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->dev);
#endif
- lapb->state = LAPB_STATE_0;
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb_disconnect_confirmation(lapb, LAPB_OK);
- }
- break;
+ lapb->state = LAPB_STATE_0;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb_disconnect_confirmation(lapb, LAPB_OK);
+ }
+ break;
- case LAPB_DM:
+ case LAPB_DM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (frame->pf) {
+ if (frame->pf) {
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
- lapb->dev);
-#endif
- lapb->state = LAPB_STATE_0;
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb_disconnect_confirmation(lapb,
- LAPB_NOTCONNECTED);
- }
- break;
+ printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->dev);
+#endif
+ lapb->state = LAPB_STATE_0;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb_disconnect_confirmation(lapb, LAPB_NOTCONNECTED);
+ }
+ break;
- case LAPB_I:
- case LAPB_REJ:
- case LAPB_RNR:
- case LAPB_RR:
+ case LAPB_I:
+ case LAPB_REJ:
+ case LAPB_RNR:
+ case LAPB_RR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}"
- "(%d)\n", lapb->dev, frame->pf);
- printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}(%d)\n",
+ lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (frame->pf)
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- break;
+ if (frame->pf)
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ break;
}
kfree_skb(skb);
@@ -336,277 +325,267 @@ static void lapb_state3_machine(struct lapb_cb *lapb, struct sk_buff *skb,
LAPB_SMODULUS;
switch (frame->type) {
- case LAPB_SABM:
+ case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- } else {
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_requeue_frames(lapb);
- }
- break;
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_requeue_frames(lapb);
+ }
+ break;
- case LAPB_SABME:
+ case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_requeue_frames(lapb);
- } else {
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_requeue_frames(lapb);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- }
- break;
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ }
+ break;
- case LAPB_DISC:
+ case LAPB_DISC:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->dev);
#endif
- lapb_clear_queues(lapb);
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_0;
- lapb_disconnect_indication(lapb, LAPB_OK);
- break;
+ lapb_clear_queues(lapb);
+ lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_0;
+ lapb_disconnect_indication(lapb, LAPB_OK);
+ break;
- case LAPB_DM:
+ case LAPB_DM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->dev);
#endif
- lapb_clear_queues(lapb);
- lapb->state = LAPB_STATE_0;
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb_disconnect_indication(lapb, LAPB_NOTCONNECTED);
- break;
+ lapb_clear_queues(lapb);
+ lapb->state = LAPB_STATE_0;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb_disconnect_indication(lapb, LAPB_NOTCONNECTED);
+ break;
- case LAPB_RNR:
+ case LAPB_RNR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n",
- lapb->dev, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n",
+ lapb->dev, frame->pf, frame->nr);
#endif
- lapb->condition |= LAPB_PEER_RX_BUSY_CONDITION;
- lapb_check_need_response(lapb, frame->cr, frame->pf);
- if (lapb_validate_nr(lapb, frame->nr)) {
- lapb_check_iframes_acked(lapb, frame->nr);
- } else {
- lapb->frmr_data = *frame;
- lapb->frmr_type = LAPB_FRMR_Z;
- lapb_transmit_frmr(lapb);
+ lapb->condition |= LAPB_PEER_RX_BUSY_CONDITION;
+ lapb_check_need_response(lapb, frame->cr, frame->pf);
+ if (lapb_validate_nr(lapb, frame->nr)) {
+ lapb_check_iframes_acked(lapb, frame->nr);
+ } else {
+ lapb->frmr_data = *frame;
+ lapb->frmr_type = LAPB_FRMR_Z;
+ lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
#endif
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_4;
- lapb->n2count = 0;
- }
- break;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_4;
+ lapb->n2count = 0;
+ }
+ break;
- case LAPB_RR:
+ case LAPB_RR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n",
- lapb->dev, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n",
+ lapb->dev, frame->pf, frame->nr);
#endif
- lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
- lapb_check_need_response(lapb, frame->cr, frame->pf);
- if (lapb_validate_nr(lapb, frame->nr)) {
- lapb_check_iframes_acked(lapb, frame->nr);
- } else {
- lapb->frmr_data = *frame;
- lapb->frmr_type = LAPB_FRMR_Z;
- lapb_transmit_frmr(lapb);
+ lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
+ lapb_check_need_response(lapb, frame->cr, frame->pf);
+ if (lapb_validate_nr(lapb, frame->nr)) {
+ lapb_check_iframes_acked(lapb, frame->nr);
+ } else {
+ lapb->frmr_data = *frame;
+ lapb->frmr_type = LAPB_FRMR_Z;
+ lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
#endif
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_4;
- lapb->n2count = 0;
- }
- break;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_4;
+ lapb->n2count = 0;
+ }
+ break;
- case LAPB_REJ:
+ case LAPB_REJ:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n",
- lapb->dev, frame->pf, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n",
+ lapb->dev, frame->pf, frame->nr);
#endif
- lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
- lapb_check_need_response(lapb, frame->cr, frame->pf);
- if (lapb_validate_nr(lapb, frame->nr)) {
- lapb_frames_acked(lapb, frame->nr);
- lapb_stop_t1timer(lapb);
- lapb->n2count = 0;
- lapb_requeue_frames(lapb);
- } else {
- lapb->frmr_data = *frame;
- lapb->frmr_type = LAPB_FRMR_Z;
- lapb_transmit_frmr(lapb);
+ lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
+ lapb_check_need_response(lapb, frame->cr, frame->pf);
+ if (lapb_validate_nr(lapb, frame->nr)) {
+ lapb_frames_acked(lapb, frame->nr);
+ lapb_stop_t1timer(lapb);
+ lapb->n2count = 0;
+ lapb_requeue_frames(lapb);
+ } else {
+ lapb->frmr_data = *frame;
+ lapb->frmr_type = LAPB_FRMR_Z;
+ lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
#endif
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_4;
- lapb->n2count = 0;
- }
- break;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_4;
+ lapb->n2count = 0;
+ }
+ break;
- case LAPB_I:
+ case LAPB_I:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n",
- lapb->dev, frame->pf, frame->ns, frame->nr);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n",
+ lapb->dev, frame->pf, frame->ns, frame->nr);
#endif
- if (!lapb_validate_nr(lapb, frame->nr)) {
- lapb->frmr_data = *frame;
- lapb->frmr_type = LAPB_FRMR_Z;
- lapb_transmit_frmr(lapb);
+ if (!lapb_validate_nr(lapb, frame->nr)) {
+ lapb->frmr_data = *frame;
+ lapb->frmr_type = LAPB_FRMR_Z;
+ lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
#endif
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_4;
- lapb->n2count = 0;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_4;
+ lapb->n2count = 0;
+ break;
+ }
+ if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION)
+ lapb_frames_acked(lapb, frame->nr);
+ else
+ lapb_check_iframes_acked(lapb, frame->nr);
+
+ if (frame->ns == lapb->vr) {
+ int cn;
+ cn = lapb_data_indication(lapb, skb);
+ queued = 1;
+ /*
+ * If upper layer has dropped the frame, we
+ * basically ignore any further protocol
+ * processing. This will cause the peer
+ * to re-transmit the frame later like
+ * a frame lost on the wire.
+ */
+ if (cn == NET_RX_DROP) {
+ printk(KERN_DEBUG "LAPB: rx congestion\n");
break;
}
- if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION)
- lapb_frames_acked(lapb, frame->nr);
- else
- lapb_check_iframes_acked(lapb, frame->nr);
-
- if (frame->ns == lapb->vr) {
- int cn;
- cn = lapb_data_indication(lapb, skb);
- queued = 1;
- /*
- * If upper layer has dropped the frame, we
- * basically ignore any further protocol
- * processing. This will cause the peer
- * to re-transmit the frame later like
- * a frame lost on the wire.
- */
- if (cn == NET_RX_DROP) {
- printk(KERN_DEBUG
- "LAPB: rx congestion\n");
- break;
+ lapb->vr = (lapb->vr + 1) % modulus;
+ lapb->condition &= ~LAPB_REJECT_CONDITION;
+ if (frame->pf)
+ lapb_enquiry_response(lapb);
+ else {
+ if (!(lapb->condition &
+ LAPB_ACK_PENDING_CONDITION)) {
+ lapb->condition |= LAPB_ACK_PENDING_CONDITION;
+ lapb_start_t2timer(lapb);
}
- lapb->vr = (lapb->vr + 1) % modulus;
- lapb->condition &= ~LAPB_REJECT_CONDITION;
+ }
+ } else {
+ if (lapb->condition & LAPB_REJECT_CONDITION) {
if (frame->pf)
lapb_enquiry_response(lapb);
- else {
- if (!(lapb->condition &
- LAPB_ACK_PENDING_CONDITION)) {
- lapb->condition |= LAPB_ACK_PENDING_CONDITION;
- lapb_start_t2timer(lapb);
- }
- }
} else {
- if (lapb->condition & LAPB_REJECT_CONDITION) {
- if (frame->pf)
- lapb_enquiry_response(lapb);
- } else {
-#if LAPB_DEBUG > 1
- printk(KERN_DEBUG
- "lapb: (%p) S3 TX REJ(%d) R%d\n",
- lapb->dev, frame->pf, lapb->vr);
-#endif
- lapb->condition |= LAPB_REJECT_CONDITION;
- lapb_send_control(lapb, LAPB_REJ,
- frame->pf,
- LAPB_RESPONSE);
- lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
- }
+#if LAPB_DEBUG > 1
+ printk(KERN_DEBUG
+ "lapb: (%p) S3 TX REJ(%d) R%d\n",
+ lapb->dev, frame->pf, lapb->vr);
+#endif
+ lapb->condition |= LAPB_REJECT_CONDITION;
+ lapb_send_control(lapb, LAPB_REJ, frame->pf,
+ LAPB_RESPONSE);
+ lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
}
- break;
+ }
+ break;
- case LAPB_FRMR:
+ case LAPB_FRMR:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X "
- "%02X %02X %02X %02X\n", lapb->dev, frame->pf,
- skb->data[0], skb->data[1], skb->data[2],
- skb->data[3], skb->data[4]);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X "
+ "%02X %02X %02X %02X\n", lapb->dev, frame->pf,
+ skb->data[0], skb->data[1], skb->data[2],
+ skb->data[3], skb->data[4]);
#endif
- lapb_establish_data_link(lapb);
+ lapb_establish_data_link(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n", lapb->dev);
#endif
- lapb_requeue_frames(lapb);
- lapb->state = LAPB_STATE_1;
- break;
+ lapb_requeue_frames(lapb);
+ lapb->state = LAPB_STATE_1;
+ break;
- case LAPB_ILLEGAL:
+ case LAPB_ILLEGAL:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb->frmr_data = *frame;
- lapb->frmr_type = LAPB_FRMR_W;
- lapb_transmit_frmr(lapb);
+ lapb->frmr_data = *frame;
+ lapb->frmr_type = LAPB_FRMR_W;
+ lapb_transmit_frmr(lapb);
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
#endif
- lapb_start_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_4;
- lapb->n2count = 0;
- break;
+ lapb_start_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_4;
+ lapb->n2count = 0;
+ break;
}
if (!queued)
@@ -621,75 +600,73 @@ static void lapb_state4_machine(struct lapb_cb *lapb, struct sk_buff *skb,
struct lapb_frame *frame)
{
switch (frame->type) {
- case LAPB_SABM:
+ case LAPB_SABM:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- } else {
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ } else {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->dev);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_3;
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_connect_indication(lapb, LAPB_OK);
- }
- break;
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_3;
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_connect_indication(lapb, LAPB_OK);
+ }
+ break;
- case LAPB_SABME:
+ case LAPB_SABME:
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n",
+ lapb->dev, frame->pf);
#endif
- if (lapb->mode & LAPB_EXTENDED) {
+ if (lapb->mode & LAPB_EXTENDED) {
#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
- lapb->dev, frame->pf);
+ printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+ lapb->dev, frame->pf);
#endif
#if LAPB_DEBUG > 0
- printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
- lapb->dev);
+ printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->dev);
#endif
- lapb_send_control(lapb, LAPB_UA, frame->pf,
- LAPB_RESPONSE);
- lapb_stop_t1timer(lapb);
- lapb_stop_t2timer(lapb);
- lapb->state = LAPB_STATE_3;
- lapb->condition = 0x00;
- lapb->n2count = 0;
- lapb->vs = 0;
- lapb->vr = 0;
- lapb->va = 0;
- lapb_connect_indication(lapb, LAPB_OK);
- } else {
-#if LAPB_DEBUG > 1
- printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
- lapb->dev, frame->pf);
+ lapb_send_control(lapb, LAPB_UA, frame->pf,
+ LAPB_RESPONSE);
+ lapb_stop_t1timer(lapb);
+ lapb_stop_t2timer(lapb);
+ lapb->state = LAPB_STATE_3;
+ lapb->condition = 0x00;
+ lapb->n2count = 0;
+ lapb->vs = 0;
+ lapb->vr = 0;
+ lapb->va = 0;
+ lapb_connect_indication(lapb, LAPB_OK);
+ } else {
+#if LAPB_DEBUG > 1
+ printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+ lapb->dev, frame->pf);
#endif
- lapb_send_control(lapb, LAPB_DM, frame->pf,
- LAPB_RESPONSE);
- }
- break;
+ lapb_send_control(lapb, LAPB_DM, frame->pf,
+ LAPB_RESPONSE);
+ }
+ break;
}
kfree_skb(skb);
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index b9b595c0811..0785e95c992 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -11,6 +11,7 @@
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
+#include <crypto/aes.h>
#include <net/mac80211.h>
#include "key.h"
@@ -21,21 +22,21 @@ static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *scratch, u8 *a)
int i;
u8 *b_0, *aad, *b, *s_0;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
- aad = scratch + 4 * AES_BLOCK_LEN;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
+ aad = scratch + 4 * AES_BLOCK_SIZE;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
crypto_cipher_encrypt_one(tfm, b, b_0);
/* Extra Authenticate-only data (always two AES blocks) */
- for (i = 0; i < AES_BLOCK_LEN; i++)
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
aad[i] ^= b[i];
crypto_cipher_encrypt_one(tfm, b, aad);
- aad += AES_BLOCK_LEN;
+ aad += AES_BLOCK_SIZE;
- for (i = 0; i < AES_BLOCK_LEN; i++)
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
aad[i] ^= b[i];
crypto_cipher_encrypt_one(tfm, a, aad);
@@ -57,12 +58,12 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *pos, *cpos, *b, *s_0, *e, *b_0;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
- e = scratch + 2 * AES_BLOCK_LEN;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
+ e = scratch + 2 * AES_BLOCK_SIZE;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
- num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
- last_len = data_len % AES_BLOCK_LEN;
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
+ last_len = data_len % AES_BLOCK_SIZE;
aes_ccm_prepare(tfm, scratch, b);
/* Process payload blocks */
@@ -70,7 +71,7 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
cpos = cdata;
for (j = 1; j <= num_blocks; j++) {
int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
+ last_len : AES_BLOCK_SIZE;
/* Authentication followed by encryption */
for (i = 0; i < blen; i++)
@@ -96,12 +97,12 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *pos, *cpos, *b, *s_0, *a, *b_0;
b = scratch;
- s_0 = scratch + AES_BLOCK_LEN;
- a = scratch + 2 * AES_BLOCK_LEN;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
+ s_0 = scratch + AES_BLOCK_SIZE;
+ a = scratch + 2 * AES_BLOCK_SIZE;
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
- num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
- last_len = data_len % AES_BLOCK_LEN;
+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
+ last_len = data_len % AES_BLOCK_SIZE;
aes_ccm_prepare(tfm, scratch, a);
/* Process payload blocks */
@@ -109,7 +110,7 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
pos = data;
for (j = 1; j <= num_blocks; j++) {
int blen = (j == num_blocks && last_len) ?
- last_len : AES_BLOCK_LEN;
+ last_len : AES_BLOCK_SIZE;
/* Decryption followed by authentication */
b_0[14] = (j >> 8) & 0xff;
diff --git a/net/mac80211/aes_ccm.h b/net/mac80211/aes_ccm.h
index 6e7820ef344..5b7d744e237 100644
--- a/net/mac80211/aes_ccm.h
+++ b/net/mac80211/aes_ccm.h
@@ -12,8 +12,6 @@
#include <linux/crypto.h>
-#define AES_BLOCK_LEN 16
-
struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *data, size_t data_len,
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index d502b2684a6..8dfd70d8fcf 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -11,12 +11,12 @@
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
+#include <crypto/aes.h>
#include <net/mac80211.h>
#include "key.h"
#include "aes_cmac.h"
-#define AES_BLOCK_SIZE 16
#define AES_CMAC_KEY_LEN 16
#define CMAC_TLEN 8 /* CMAC TLen = 64 bits (8 octets) */
#define AAD_LEN 20
@@ -35,10 +35,10 @@ static void gf_mulx(u8 *pad)
}
-static void aes_128_cmac_vector(struct crypto_cipher *tfm, u8 *scratch,
- size_t num_elem,
+static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac)
{
+ u8 scratch[2 * AES_BLOCK_SIZE];
u8 *cbc, *pad;
const u8 *pos, *end;
size_t i, e, left, total_len;
@@ -95,7 +95,7 @@ static void aes_128_cmac_vector(struct crypto_cipher *tfm, u8 *scratch,
}
-void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
const u8 *data, size_t data_len, u8 *mic)
{
const u8 *addr[3];
@@ -110,7 +110,7 @@ void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
addr[2] = zero;
len[2] = CMAC_TLEN;
- aes_128_cmac_vector(tfm, scratch, 3, addr, len, mic);
+ aes_128_cmac_vector(tfm, 3, addr, len, mic);
}
diff --git a/net/mac80211/aes_cmac.h b/net/mac80211/aes_cmac.h
index 0eb9a483150..20785a64725 100644
--- a/net/mac80211/aes_cmac.h
+++ b/net/mac80211/aes_cmac.h
@@ -12,7 +12,7 @@
#include <linux/crypto.h>
struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[]);
-void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
+void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
const u8 *data, size_t data_len, u8 *mic);
void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm);
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 9c0d76cdca9..ebadb9ac9a7 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -100,6 +100,21 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
mutex_unlock(&sta->ampdu_mlme.mtx);
}
+void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
+ const u8 *addr)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ struct sta_info *sta = sta_info_get(sdata, addr);
+ int i;
+
+ for (i = 0; i < STA_TID_NUM; i++)
+ if (ba_rx_bitmap & BIT(i))
+ set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);
+
+ ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
+}
+EXPORT_SYMBOL(ieee80211_stop_rx_ba_session);
+
/*
* After accepting the AddBA Request we activated a timer,
* resetting it after each frame that arrives from the originator.
@@ -247,7 +262,11 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
"%pM on tid %u\n",
mgmt->sa, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto end;
+
+ /* delete existing Rx BA session on the same tid */
+ ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_STATUS_UNSPECIFIED_QOS,
+ false);
}
/* prepare A-MPDU MLME for Rx aggregation */
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index be70c70d3f5..bfc36e90476 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -209,6 +209,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
u8 seq[6] = {0};
struct key_params params;
struct ieee80211_key *key = NULL;
+ u64 pn64;
u32 iv32;
u16 iv16;
int err = -ENOENT;
@@ -256,22 +257,24 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
params.seq_len = 6;
break;
case WLAN_CIPHER_SUITE_CCMP:
- seq[0] = key->u.ccmp.tx_pn[5];
- seq[1] = key->u.ccmp.tx_pn[4];
- seq[2] = key->u.ccmp.tx_pn[3];
- seq[3] = key->u.ccmp.tx_pn[2];
- seq[4] = key->u.ccmp.tx_pn[1];
- seq[5] = key->u.ccmp.tx_pn[0];
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
+ seq[0] = pn64;
+ seq[1] = pn64 >> 8;
+ seq[2] = pn64 >> 16;
+ seq[3] = pn64 >> 24;
+ seq[4] = pn64 >> 32;
+ seq[5] = pn64 >> 40;
params.seq = seq;
params.seq_len = 6;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
- seq[0] = key->u.aes_cmac.tx_pn[5];
- seq[1] = key->u.aes_cmac.tx_pn[4];
- seq[2] = key->u.aes_cmac.tx_pn[3];
- seq[3] = key->u.aes_cmac.tx_pn[2];
- seq[4] = key->u.aes_cmac.tx_pn[1];
- seq[5] = key->u.aes_cmac.tx_pn[0];
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
+ seq[0] = pn64;
+ seq[1] = pn64 >> 8;
+ seq[2] = pn64 >> 16;
+ seq[3] = pn64 >> 24;
+ seq[4] = pn64 >> 32;
+ seq[5] = pn64 >> 40;
params.seq = seq;
params.seq_len = 6;
break;
@@ -674,8 +677,11 @@ static void sta_apply_parameters(struct ieee80211_local *local,
if (mask & BIT(NL80211_STA_FLAG_WME)) {
sta->flags &= ~WLAN_STA_WME;
- if (set & BIT(NL80211_STA_FLAG_WME))
+ sta->sta.wme = false;
+ if (set & BIT(NL80211_STA_FLAG_WME)) {
sta->flags |= WLAN_STA_WME;
+ sta->sta.wme = true;
+ }
}
if (mask & BIT(NL80211_STA_FLAG_MFP)) {
@@ -1554,6 +1560,19 @@ static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
return local->ops->testmode_cmd(&local->hw, data, len);
}
+
+static int ieee80211_testmode_dump(struct wiphy *wiphy,
+ struct sk_buff *skb,
+ struct netlink_callback *cb,
+ void *data, int len)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ if (!local->ops->testmode_dump)
+ return -EOPNOTSUPP;
+
+ return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
+}
#endif
int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
@@ -2085,6 +2104,21 @@ static void ieee80211_get_ringparam(struct wiphy *wiphy,
drv_get_ringparam(local, tx, tx_max, rx, rx_max);
}
+static int ieee80211_set_rekey_data(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (!local->ops->set_rekey_data)
+ return -EOPNOTSUPP;
+
+ drv_set_rekey_data(local, sdata, data);
+
+ return 0;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -2134,6 +2168,7 @@ struct cfg80211_ops mac80211_config_ops = {
.set_wds_peer = ieee80211_set_wds_peer,
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
+ CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
.set_power_mgmt = ieee80211_set_power_mgmt,
.set_bitrate_mask = ieee80211_set_bitrate_mask,
.remain_on_channel = ieee80211_remain_on_channel,
@@ -2146,4 +2181,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_antenna = ieee80211_get_antenna,
.set_ringparam = ieee80211_set_ringparam,
.get_ringparam = ieee80211_get_ringparam,
+ .set_rekey_data = ieee80211_set_rekey_data,
};
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 33c58b85c91..38e6101190d 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -78,7 +78,7 @@ KEY_OPS(algorithm);
static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
- const u8 *tpn;
+ u64 pn;
char buf[20];
int len;
struct ieee80211_key *key = file->private_data;
@@ -94,15 +94,16 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
key->u.tkip.tx.iv16);
break;
case WLAN_CIPHER_SUITE_CCMP:
- tpn = key->u.ccmp.tx_pn;
+ pn = atomic64_read(&key->u.ccmp.tx_pn);
len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
- tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
- tpn = key->u.aes_cmac.tx_pn;
+ pn = atomic64_read(&key->u.aes_cmac.tx_pn);
len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
- tpn[0], tpn[1], tpn[2], tpn[3], tpn[4],
- tpn[5]);
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
break;
default:
return 0;
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index eebf7a67daf..b2d6bba4405 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -218,6 +218,16 @@ static inline int drv_hw_scan(struct ieee80211_local *local,
return ret;
}
+static inline void drv_cancel_hw_scan(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ might_sleep();
+
+ trace_drv_cancel_hw_scan(local, sdata);
+ local->ops->cancel_hw_scan(&local->hw, &sdata->vif);
+ trace_drv_return_void(local);
+}
+
static inline int
drv_sched_scan_start(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
@@ -637,4 +647,22 @@ static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
return ret;
}
+static inline void drv_set_rekey_data(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ trace_drv_set_rekey_data(local, sdata, data);
+ if (local->ops->set_rekey_data)
+ local->ops->set_rekey_data(&local->hw, &sdata->vif, data);
+ trace_drv_return_void(local);
+}
+
+static inline void drv_rssi_callback(struct ieee80211_local *local,
+ const enum ieee80211_rssi_event event)
+{
+ trace_drv_rssi_callback(local, event);
+ if (local->ops->rssi_callback)
+ local->ops->rssi_callback(&local->hw, event);
+ trace_drv_return_void(local);
+}
#endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index ed9edcbd9aa..4470f6e8b84 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -460,6 +460,12 @@ DEFINE_EVENT(local_sdata_evt, drv_hw_scan,
TP_ARGS(local, sdata)
);
+DEFINE_EVENT(local_sdata_evt, drv_cancel_hw_scan,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata),
+ TP_ARGS(local, sdata)
+);
+
DEFINE_EVENT(local_sdata_evt, drv_sched_scan_start,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata),
@@ -1018,6 +1024,56 @@ TRACE_EVENT(drv_set_bitrate_mask,
)
);
+TRACE_EVENT(drv_set_rekey_data,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_gtk_rekey_data *data),
+
+ TP_ARGS(local, sdata, data),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __array(u8, kek, NL80211_KEK_LEN)
+ __array(u8, kck, NL80211_KCK_LEN)
+ __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ memcpy(__entry->kek, data->kek, NL80211_KEK_LEN);
+ memcpy(__entry->kck, data->kck, NL80211_KCK_LEN);
+ memcpy(__entry->replay_ctr, data->replay_ctr,
+ NL80211_REPLAY_CTR_LEN);
+ ),
+
+ TP_printk(LOCAL_PR_FMT VIF_PR_FMT,
+ LOCAL_PR_ARG, VIF_PR_ARG)
+);
+
+TRACE_EVENT(drv_rssi_callback,
+ TP_PROTO(struct ieee80211_local *local,
+ enum ieee80211_rssi_event rssi_event),
+
+ TP_ARGS(local, rssi_event),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u32, rssi_event)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->rssi_event = rssi_event;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " rssi_event:%d",
+ LOCAL_PR_ARG, __entry->rssi_event
+ )
+);
+
/*
* Tracing for API calls that drivers call.
*/
@@ -1287,6 +1343,51 @@ DEFINE_EVENT(local_only_evt, api_remain_on_channel_expired,
TP_ARGS(local)
);
+TRACE_EVENT(api_gtk_rekey_notify,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ const u8 *bssid, const u8 *replay_ctr),
+
+ TP_ARGS(sdata, bssid, replay_ctr),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, bssid, ETH_ALEN)
+ __array(u8, replay_ctr, NL80211_REPLAY_CTR_LEN)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->bssid, bssid, ETH_ALEN);
+ memcpy(__entry->replay_ctr, replay_ctr, NL80211_REPLAY_CTR_LEN);
+ ),
+
+ TP_printk(VIF_PR_FMT, VIF_PR_ARG)
+);
+
+TRACE_EVENT(api_enable_rssi_reports,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ int rssi_min_thold, int rssi_max_thold),
+
+ TP_ARGS(sdata, rssi_min_thold, rssi_max_thold),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __field(int, rssi_min_thold)
+ __field(int, rssi_max_thold)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ __entry->rssi_min_thold = rssi_min_thold;
+ __entry->rssi_max_thold = rssi_max_thold;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " rssi_min_thold =%d, rssi_max_thold = %d",
+ VIF_PR_ARG, __entry->rssi_min_thold, __entry->rssi_max_thold
+ )
+);
+
/*
* Tracing for internal functions
* (which may also be called in response to driver calls)
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 591add22bcc..7cfc286946c 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -140,6 +140,12 @@ void ieee80211_ba_session_work(struct work_struct *work)
sta, tid, WLAN_BACK_RECIPIENT,
WLAN_REASON_QSTA_TIMEOUT, true);
+ if (test_and_clear_bit(tid,
+ sta->ampdu_mlme.tid_rx_stop_requested))
+ ___ieee80211_stop_rx_ba_session(
+ sta, tid, WLAN_BACK_RECIPIENT,
+ WLAN_REASON_UNSPECIFIED, true);
+
tid_tx = sta->ampdu_mlme.tid_start_tx[tid];
if (tid_tx) {
/*
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 090b0ec1e05..dda0d1ab34f 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -202,7 +202,22 @@ struct ieee80211_rx_data {
struct ieee80211_key *key;
unsigned int flags;
- int queue;
+
+ /*
+ * Index into sequence numbers array, 0..16
+ * since the last (16) is used for non-QoS,
+ * will be 16 on non-QoS frames.
+ */
+ int seqno_idx;
+
+ /*
+ * Index into the security IV/PN arrays, 0..16
+ * since the last (16) is used for CCMP-encrypted
+ * management frames, will be set to 16 on mgmt
+ * frames and 0 on non-QoS frames.
+ */
+ int security_idx;
+
u32 tkip_iv32;
u16 tkip_iv16;
};
@@ -417,6 +432,14 @@ struct ieee80211_if_managed {
* generated for the current association.
*/
int last_cqm_event_signal;
+
+ /*
+ * State variables for keeping track of RSSI of the AP currently
+ * connected to and informing driver when RSSI has gone
+ * below/above a certain threshold.
+ */
+ int rssi_min_thold, rssi_max_thold;
+ int last_ave_beacon_signal;
};
struct ieee80211_if_ibss {
@@ -515,12 +538,14 @@ struct ieee80211_if_mesh {
* @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
* associated stations and deliver multicast frames both
* back to wireless media and to the local net stack.
+ * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
*/
enum ieee80211_sub_if_data_flags {
IEEE80211_SDATA_ALLMULTI = BIT(0),
IEEE80211_SDATA_PROMISC = BIT(1),
IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
+ IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
};
/**
@@ -544,6 +569,9 @@ struct ieee80211_sub_if_data {
/* keys */
struct list_head key_list;
+ /* count for keys needing tailroom space allocation */
+ int crypto_tx_tailroom_needed_cnt;
+
struct net_device *dev;
struct ieee80211_local *local;
@@ -1350,10 +1378,12 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len);
+ const u8 *ie, size_t ie_len,
+ bool directed);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len);
+ const u8 *ie, size_t ie_len,
+ bool directed);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index dee30aea9ab..cd5fb40d3fd 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -363,8 +363,7 @@ static int ieee80211_open(struct net_device *dev)
int err;
/* fail early if user set an invalid address */
- if (!is_zero_ether_addr(dev->dev_addr) &&
- !is_valid_ether_addr(dev->dev_addr))
+ if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
err = ieee80211_check_concurrent_iface(sdata, sdata->vif.type);
@@ -1130,8 +1129,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
ASSERT_RTNL();
- ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup, local->hw.queues);
+ ndev = alloc_netdev_mqs(sizeof(*sdata) + local->hw.vif_data_size,
+ name, ieee80211_if_setup, local->hw.queues, 1);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index f825e2f0a57..739bee13e81 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -61,6 +61,36 @@ static struct ieee80211_sta *get_sta_for_key(struct ieee80211_key *key)
return NULL;
}
+static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)
+{
+ /*
+ * When this count is zero, SKB resizing for allocating tailroom
+ * for IV or MMIC is skipped. But, this check has created two race
+ * cases in xmit path while transiting from zero count to one:
+ *
+ * 1. SKB resize was skipped because no key was added but just before
+ * the xmit key is added and SW encryption kicks off.
+ *
+ * 2. SKB resize was skipped because all the keys were hw planted but
+ * just before xmit one of the key is deleted and SW encryption kicks
+ * off.
+ *
+ * In both the above case SW encryption will find not enough space for
+ * tailroom and exits with WARN_ON. (See WARN_ONs at wpa.c)
+ *
+ * Solution has been explained at
+ * http://mid.gmane.org/1308590980.4322.19.camel@jlt3.sipsolutions.net
+ */
+
+ if (!sdata->crypto_tx_tailroom_needed_cnt++) {
+ /*
+ * Flush all XMIT packets currently using HW encryption or no
+ * encryption at all if the count transition is from 0 -> 1.
+ */
+ synchronize_net();
+ }
+}
+
static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
{
struct ieee80211_sub_if_data *sdata;
@@ -101,6 +131,11 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
if (!ret) {
key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
+
+ if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
+ (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ sdata->crypto_tx_tailroom_needed_cnt--;
+
return 0;
}
@@ -142,6 +177,10 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
sta = get_sta_for_key(key);
sdata = key->sdata;
+ if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
+ (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ increment_tailroom_need_count(sdata);
+
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
sdata = container_of(sdata->bss,
struct ieee80211_sub_if_data,
@@ -330,6 +369,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
get_unaligned_le16(seq);
}
}
+ spin_lock_init(&key->u.tkip.txlock);
break;
case WLAN_CIPHER_SUITE_CCMP:
key->conf.iv_len = CCMP_HDR_LEN;
@@ -394,8 +434,10 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
ieee80211_aes_key_free(key->u.ccmp.tfm);
if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
- if (key->local)
+ if (key->local) {
ieee80211_debugfs_key_remove(key);
+ key->sdata->crypto_tx_tailroom_needed_cnt--;
+ }
kfree(key);
}
@@ -452,6 +494,8 @@ int ieee80211_key_link(struct ieee80211_key *key,
else
old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]);
+ increment_tailroom_need_count(sdata);
+
__ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
__ieee80211_key_destroy(old_key);
@@ -498,12 +542,49 @@ void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)
mutex_lock(&sdata->local->key_mtx);
- list_for_each_entry(key, &sdata->key_list, list)
+ sdata->crypto_tx_tailroom_needed_cnt = 0;
+
+ list_for_each_entry(key, &sdata->key_list, list) {
+ increment_tailroom_need_count(sdata);
ieee80211_key_enable_hw_accel(key);
+ }
mutex_unlock(&sdata->local->key_mtx);
}
+void ieee80211_iter_keys(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ void (*iter)(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key,
+ void *data),
+ void *iter_data)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_key *key;
+ struct ieee80211_sub_if_data *sdata;
+
+ ASSERT_RTNL();
+
+ mutex_lock(&local->key_mtx);
+ if (vif) {
+ sdata = vif_to_sdata(vif);
+ list_for_each_entry(key, &sdata->key_list, list)
+ iter(hw, &sdata->vif,
+ key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+ } else {
+ list_for_each_entry(sdata, &local->interfaces, list)
+ list_for_each_entry(key, &sdata->key_list, list)
+ iter(hw, &sdata->vif,
+ key->sta ? &key->sta->sta : NULL,
+ &key->conf, iter_data);
+ }
+ mutex_unlock(&local->key_mtx);
+}
+EXPORT_SYMBOL(ieee80211_iter_keys);
+
void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_key *key;
@@ -533,3 +614,89 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
mutex_unlock(&sdata->local->key_mtx);
}
+
+
+void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ trace_api_gtk_rekey_notify(sdata, bssid, replay_ctr);
+
+ cfg80211_gtk_rekey_notify(sdata->dev, bssid, replay_ctr, gfp);
+}
+EXPORT_SYMBOL_GPL(ieee80211_gtk_rekey_notify);
+
+void ieee80211_get_key_tx_seq(struct ieee80211_key_conf *keyconf,
+ struct ieee80211_key_seq *seq)
+{
+ struct ieee80211_key *key;
+ u64 pn64;
+
+ if (WARN_ON(!(keyconf->flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
+ return;
+
+ key = container_of(keyconf, struct ieee80211_key, conf);
+
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ seq->tkip.iv32 = key->u.tkip.tx.iv32;
+ seq->tkip.iv16 = key->u.tkip.tx.iv16;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
+ seq->ccmp.pn[5] = pn64;
+ seq->ccmp.pn[4] = pn64 >> 8;
+ seq->ccmp.pn[3] = pn64 >> 16;
+ seq->ccmp.pn[2] = pn64 >> 24;
+ seq->ccmp.pn[1] = pn64 >> 32;
+ seq->ccmp.pn[0] = pn64 >> 40;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
+ seq->ccmp.pn[5] = pn64;
+ seq->ccmp.pn[4] = pn64 >> 8;
+ seq->ccmp.pn[3] = pn64 >> 16;
+ seq->ccmp.pn[2] = pn64 >> 24;
+ seq->ccmp.pn[1] = pn64 >> 32;
+ seq->ccmp.pn[0] = pn64 >> 40;
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+EXPORT_SYMBOL(ieee80211_get_key_tx_seq);
+
+void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf,
+ int tid, struct ieee80211_key_seq *seq)
+{
+ struct ieee80211_key *key;
+ const u8 *pn;
+
+ key = container_of(keyconf, struct ieee80211_key, conf);
+
+ switch (key->conf.cipher) {
+ case WLAN_CIPHER_SUITE_TKIP:
+ if (WARN_ON(tid < 0 || tid >= NUM_RX_DATA_QUEUES))
+ return;
+ seq->tkip.iv32 = key->u.tkip.rx[tid].iv32;
+ seq->tkip.iv16 = key->u.tkip.rx[tid].iv16;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ if (WARN_ON(tid < -1 || tid >= NUM_RX_DATA_QUEUES))
+ return;
+ if (tid < 0)
+ pn = key->u.ccmp.rx_pn[NUM_RX_DATA_QUEUES];
+ else
+ pn = key->u.ccmp.rx_pn[tid];
+ memcpy(seq->ccmp.pn, pn, CCMP_PN_LEN);
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ if (WARN_ON(tid != 0))
+ return;
+ pn = key->u.aes_cmac.rx_pn;
+ memcpy(seq->aes_cmac.pn, pn, CMAC_PN_LEN);
+ break;
+ }
+}
+EXPORT_SYMBOL(ieee80211_get_key_rx_seq);
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index d801d535133..7d4e31f037d 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -28,8 +28,9 @@
#define CCMP_PN_LEN 6
#define TKIP_IV_LEN 8
#define TKIP_ICV_LEN 4
+#define CMAC_PN_LEN 6
-#define NUM_RX_DATA_QUEUES 17
+#define NUM_RX_DATA_QUEUES 16
struct ieee80211_local;
struct ieee80211_sub_if_data;
@@ -40,9 +41,11 @@ struct sta_info;
*
* @KEY_FLAG_UPLOADED_TO_HARDWARE: Indicates that this key is present
* in the hardware for TX crypto hardware acceleration.
+ * @KEY_FLAG_TAINTED: Key is tainted and packets should be dropped.
*/
enum ieee80211_internal_key_flags {
KEY_FLAG_UPLOADED_TO_HARDWARE = BIT(0),
+ KEY_FLAG_TAINTED = BIT(1),
};
enum ieee80211_internal_tkip_state {
@@ -52,9 +55,10 @@ enum ieee80211_internal_tkip_state {
};
struct tkip_ctx {
- u32 iv32;
- u16 iv16;
- u16 p1k[5];
+ u32 iv32; /* current iv32 */
+ u16 iv16; /* current iv16 */
+ u16 p1k[5]; /* p1k cache */
+ u32 p1k_iv32; /* iv32 for which p1k computed */
enum ieee80211_internal_tkip_state state;
};
@@ -71,6 +75,9 @@ struct ieee80211_key {
union {
struct {
+ /* protects tx context */
+ spinlock_t txlock;
+
/* last used TSC */
struct tkip_ctx tx;
@@ -78,32 +85,23 @@ struct ieee80211_key {
struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
} tkip;
struct {
- u8 tx_pn[6];
+ atomic64_t tx_pn;
/*
* Last received packet number. The first
* NUM_RX_DATA_QUEUES counters are used with Data
* frames and the last counter is used with Robust
* Management frames.
*/
- u8 rx_pn[NUM_RX_DATA_QUEUES + 1][6];
+ u8 rx_pn[NUM_RX_DATA_QUEUES + 1][CCMP_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCCMPReplays */
- /* scratch buffers for virt_to_page() (crypto API) */
-#ifndef AES_BLOCK_LEN
-#define AES_BLOCK_LEN 16
-#endif
- u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
- u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
} ccmp;
struct {
- u8 tx_pn[6];
- u8 rx_pn[6];
+ atomic64_t tx_pn;
+ u8 rx_pn[CMAC_PN_LEN];
struct crypto_cipher *tfm;
u32 replays; /* dot11RSNAStatsCMACReplays */
u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
- /* scratch buffers for virt_to_page() (crypto API) */
- u8 tx_crypto_buf[2 * AES_BLOCK_LEN];
- u8 rx_crypto_buf[2 * AES_BLOCK_LEN];
} aes_cmac;
} u;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 0d2faacc3e8..068ee651825 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -647,12 +647,12 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
mpath = node->mpath;
if (mpath->sdata == sdata &&
memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
- spin_lock_bh(&mpath->state_lock);
+ spin_lock(&mpath->state_lock);
mpath->flags |= MESH_PATH_RESOLVING;
hlist_del_rcu(&node->list);
call_rcu(&node->rcu, mesh_path_node_reclaim);
atomic_dec(&tbl->entries);
- spin_unlock_bh(&mpath->state_lock);
+ spin_unlock(&mpath->state_lock);
goto enddel;
}
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d595265d6c2..c99237cd4b9 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -749,7 +749,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
container_of(work, struct ieee80211_local,
dynamic_ps_enable_work);
struct ieee80211_sub_if_data *sdata = local->ps_sdata;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_if_managed *ifmgd;
unsigned long flags;
int q;
@@ -757,26 +757,39 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
if (!sdata)
return;
+ ifmgd = &sdata->u.mgd;
+
if (local->hw.conf.flags & IEEE80211_CONF_PS)
return;
- /*
- * transmission can be stopped by others which leads to
- * dynamic_ps_timer expiry. Postpond the ps timer if it
- * is not the actual idle state.
- */
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- for (q = 0; q < local->hw.queues; q++) {
- if (local->queue_stop_reasons[q]) {
- spin_unlock_irqrestore(&local->queue_stop_reason_lock,
- flags);
+ if (!local->disable_dynamic_ps &&
+ local->hw.conf.dynamic_ps_timeout > 0) {
+ /* don't enter PS if TX frames are pending */
+ if (drv_tx_frames_pending(local)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(
local->hw.conf.dynamic_ps_timeout));
return;
}
+
+ /*
+ * transmission can be stopped by others which leads to
+ * dynamic_ps_timer expiry. Postpone the ps timer if it
+ * is not the actual idle state.
+ */
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (q = 0; q < local->hw.queues; q++) {
+ if (local->queue_stop_reasons[q]) {
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock,
+ flags);
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(
+ local->hw.conf.dynamic_ps_timeout));
+ return;
+ }
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED))) {
@@ -801,7 +814,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
- netif_tx_wake_all_queues(sdata->dev);
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
+ netif_tx_wake_all_queues(sdata->dev);
}
void ieee80211_dynamic_ps_timer(unsigned long data)
@@ -1204,7 +1218,8 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ieee80211_send_nullfunc(sdata->local, sdata, 0);
} else {
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
- ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0);
+ ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
+ true);
}
ifmgd->probe_send_count++;
@@ -1289,7 +1304,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
- ssid + 2, ssid[1], NULL, 0);
+ ssid + 2, ssid[1], NULL, 0, true);
return skb;
}
@@ -1748,6 +1763,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal = rx_status->signal * 16;
ifmgd->last_cqm_event_signal = 0;
ifmgd->count_beacon_signal = 1;
+ ifmgd->last_ave_beacon_signal = 0;
} else {
ifmgd->ave_beacon_signal =
(IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
@@ -1755,6 +1771,28 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->ave_beacon_signal) / 16;
ifmgd->count_beacon_signal++;
}
+
+ if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
+ ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
+ int sig = ifmgd->ave_beacon_signal;
+ int last_sig = ifmgd->last_ave_beacon_signal;
+
+ /*
+ * if signal crosses either of the boundaries, invoke callback
+ * with appropriate parameters
+ */
+ if (sig > ifmgd->rssi_max_thold &&
+ (last_sig <= ifmgd->rssi_min_thold || last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_HIGH);
+ } else if (sig < ifmgd->rssi_min_thold &&
+ (last_sig >= ifmgd->rssi_max_thold ||
+ last_sig == 0)) {
+ ifmgd->last_ave_beacon_signal = sig;
+ drv_rssi_callback(local, RSSI_EVENT_LOW);
+ }
+ }
+
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
@@ -2014,7 +2052,7 @@ static void ieee80211_sta_timer(unsigned long data)
}
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
- u8 *bssid)
+ u8 *bssid, u8 reason)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -2032,8 +2070,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
* but that's not a problem.
*/
ieee80211_send_deauth_disassoc(sdata, bssid,
- IEEE80211_STYPE_DEAUTH,
- WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+ IEEE80211_STYPE_DEAUTH, reason,
NULL, true);
mutex_lock(&ifmgd->mtx);
}
@@ -2079,7 +2116,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
" AP %pM, disconnecting.\n",
sdata->name, bssid);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
@@ -2091,7 +2129,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
#endif
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
} else if (ifmgd->probe_send_count < max_tries) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
wiphy_debug(local->hw.wiphy,
@@ -2113,7 +2152,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
sdata->name,
bssid, probe_wait_ms);
- ieee80211_sta_connection_lost(sdata, bssid);
+ ieee80211_sta_connection_lost(sdata, bssid,
+ WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
}
@@ -2200,12 +2240,34 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ if (!ifmgd->associated)
+ return;
+
+ if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+ sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+ mutex_lock(&ifmgd->mtx);
+ if (ifmgd->associated) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ wiphy_debug(sdata->local->hw.wiphy,
+ "%s: driver requested disconnect after resume.\n",
+ sdata->name);
+#endif
+ ieee80211_sta_connection_lost(sdata,
+ ifmgd->associated->bssid,
+ WLAN_REASON_UNSPECIFIED);
+ mutex_unlock(&ifmgd->mtx);
+ return;
+ }
+ mutex_unlock(&ifmgd->mtx);
+ }
+
if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
add_timer(&ifmgd->timer);
if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
add_timer(&ifmgd->chswitch_timer);
ieee80211_sta_reset_beacon_monitor(sdata);
ieee80211_restart_sta_timer(sdata);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.monitor_work);
}
#endif
@@ -2652,3 +2714,10 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
+
+unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+ return sdata->dev->operstate;
+}
+EXPORT_SYMBOL(ieee80211_get_operstate);
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 730778a2c90..f87e993e713 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -6,6 +6,28 @@
#include "driver-ops.h"
#include "led.h"
+/* return value indicates whether the driver should be further notified */
+static bool ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
+{
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+ ieee80211_sta_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_ADHOC:
+ ieee80211_ibss_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_MESH_POINT:
+ ieee80211_mesh_quiesce(sdata);
+ return true;
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_MONITOR:
+ /* don't tell driver about this */
+ return false;
+ default:
+ return true;
+ }
+}
+
int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -50,11 +72,19 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
local->wowlan = wowlan && local->open_count;
if (local->wowlan) {
int err = drv_suspend(local, wowlan);
- if (err) {
+ if (err < 0) {
local->quiescing = false;
return err;
+ } else if (err > 0) {
+ WARN_ON(err != 1);
+ local->wowlan = false;
+ } else {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ cancel_work_sync(&sdata->work);
+ ieee80211_quiesce(sdata);
+ }
+ goto suspend;
}
- goto suspend;
}
/* disable keys */
@@ -82,23 +112,8 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
list_for_each_entry(sdata, &local->interfaces, list) {
cancel_work_sync(&sdata->work);
- switch(sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ieee80211_sta_quiesce(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- ieee80211_ibss_quiesce(sdata);
- break;
- case NL80211_IFTYPE_MESH_POINT:
- ieee80211_mesh_quiesce(sdata);
- break;
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_MONITOR:
- /* don't tell driver about this */
+ if (!ieee80211_quiesce(sdata))
continue;
- default:
- break;
- }
if (!ieee80211_sdata_running(sdata))
continue;
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 8adac67395f..58a89554b78 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -532,12 +532,21 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
mp->hw = hw;
mp->update_interval = 100;
+#ifdef CONFIG_MAC80211_DEBUGFS
+ mp->fixed_rate_idx = (u32) -1;
+ mp->dbg_fixed_rate = debugfs_create_u32("fixed_rate_idx",
+ S_IRUGO | S_IWUGO, debugfsdir, &mp->fixed_rate_idx);
+#endif
+
return mp;
}
static void
minstrel_free(void *priv)
{
+#ifdef CONFIG_MAC80211_DEBUGFS
+ debugfs_remove(((struct minstrel_priv *)priv)->dbg_fixed_rate);
+#endif
kfree(priv);
}
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index 0f5a83370aa..5d278eccaef 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -78,6 +78,18 @@ struct minstrel_priv {
unsigned int update_interval;
unsigned int lookaround_rate;
unsigned int lookaround_rate_mrr;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /*
+ * enable fixed rate processing per RC
+ * - write static index to debugfs:ieee80211/phyX/rc/fixed_rate_idx
+ * - write -1 to enable RC processing again
+ * - setting will be applied on next update
+ */
+ u32 fixed_rate_idx;
+ struct dentry *dbg_fixed_rate;
+#endif
+
};
struct minstrel_debugfs_info {
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 333b5118be6..66a1eeb279c 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -609,6 +609,13 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
info->flags |= mi->tx_flags;
sample_idx = minstrel_get_sample_rate(mp, mi);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /* use fixed index if set */
+ if (mp->fixed_rate_idx != -1)
+ sample_idx = mp->fixed_rate_idx;
+#endif
+
if (sample_idx >= 0) {
sample = true;
minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 7fa8c6be7bf..fe2c2a71779 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -331,15 +331,18 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
- int tid;
+ int tid, seqno_idx, security_idx;
/* does the frame have a qos control field? */
if (ieee80211_is_data_qos(hdr->frame_control)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
/* frame has qos control */
tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
- if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT)
+ if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
status->rx_flags |= IEEE80211_RX_AMSDU;
+
+ seqno_idx = tid;
+ security_idx = tid;
} else {
/*
* IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):
@@ -352,10 +355,15 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
*
* We also use that counter for non-QoS STAs.
*/
- tid = NUM_RX_DATA_QUEUES - 1;
+ seqno_idx = NUM_RX_DATA_QUEUES;
+ security_idx = 0;
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ security_idx = NUM_RX_DATA_QUEUES;
+ tid = 0;
}
- rx->queue = tid;
+ rx->seqno_idx = seqno_idx;
+ rx->security_idx = security_idx;
/* Set skb->priority to 1d tag if highest order bit of TID is not set.
* For now, set skb->priority to 0 for other cases. */
rx->skb->priority = (tid > 7) ? 0 : tid;
@@ -810,7 +818,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
/* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
- rx->sta->last_seq_ctrl[rx->queue] ==
+ rx->sta->last_seq_ctrl[rx->seqno_idx] ==
hdr->seq_ctrl)) {
if (status->rx_flags & IEEE80211_RX_RA_MATCH) {
rx->local->dot11FrameDuplicateCount++;
@@ -818,7 +826,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
}
return RX_DROP_UNUSABLE;
} else
- rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl;
+ rx->sta->last_seq_ctrl[rx->seqno_idx] = hdr->seq_ctrl;
}
if (unlikely(rx->skb->len < 16)) {
@@ -1011,6 +1019,9 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
}
if (rx->key) {
+ if (unlikely(rx->key->flags & KEY_FLAG_TAINTED))
+ return RX_DROP_MONITOR;
+
rx->key->tx_rx_count++;
/* TODO: add threshold stuff again */
} else {
@@ -1374,11 +1385,10 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (frag == 0) {
/* This is the first fragment of a new frame. */
entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
- rx->queue, &(rx->skb));
+ rx->seqno_idx, &(rx->skb));
if (rx->key && rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP &&
ieee80211_has_protected(fc)) {
- int queue = ieee80211_is_mgmt(fc) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ int queue = rx->security_idx;
/* Store CCMP PN so that we can verify that the next
* fragment has a sequential PN value. */
entry->ccmp = 1;
@@ -1392,7 +1402,8 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
/* This is a fragment for a frame that should already be pending in
* fragment cache. Add this fragment to the end of the pending entry.
*/
- entry = ieee80211_reassemble_find(rx->sdata, frag, seq, rx->queue, hdr);
+ entry = ieee80211_reassemble_find(rx->sdata, frag, seq,
+ rx->seqno_idx, hdr);
if (!entry) {
I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
return RX_DROP_MONITOR;
@@ -1412,8 +1423,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
if (pn[i])
break;
}
- queue = ieee80211_is_mgmt(fc) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
rpn = rx->key->u.ccmp.rx_pn[queue];
if (memcmp(pn, rpn, CCMP_PN_LEN))
return RX_DROP_UNUSABLE;
@@ -2590,7 +2600,9 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
.sta = sta,
.sdata = sta->sdata,
.local = sta->local,
- .queue = tid,
+ /* This is OK -- must be QoS data frame */
+ .security_idx = tid,
+ .seqno_idx = tid,
.flags = 0,
};
struct tid_ampdu_rx *tid_agg_rx;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 58ffa7d069c..08a45ac3d6f 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -228,6 +228,7 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
{
struct cfg80211_scan_request *req = local->scan_req;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
enum ieee80211_band band;
int i, ielen, n_chans;
@@ -251,8 +252,8 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
local->hw_scan_req->n_channels = n_chans;
ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
- req->ie, req->ie_len, band, (u32) -1,
- 0);
+ req->ie, req->ie_len, band,
+ sdata->rc_rateidx_mask[band], 0);
local->hw_scan_req->ie_len = ielen;
return true;
@@ -658,7 +659,8 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
sdata, NULL,
local->scan_req->ssids[i].ssid,
local->scan_req->ssids[i].ssid_len,
- local->scan_req->ie, local->scan_req->ie_len);
+ local->scan_req->ie, local->scan_req->ie_len,
+ false);
/*
* After sending probe requests, wait for probe responses
@@ -821,10 +823,8 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
*/
void ieee80211_scan_cancel(struct ieee80211_local *local)
{
- bool abortscan;
-
/*
- * We are only canceling software scan, or deferred scan that was not
+ * We are canceling software scan, or deferred scan that was not
* yet really started (see __ieee80211_start_scan ).
*
* Regarding hardware scan:
@@ -836,23 +836,30 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
* - we can not cancel scan_work since driver can schedule it
* by ieee80211_scan_completed(..., true) to finish scan
*
- * Hence low lever driver is responsible for canceling HW scan.
+ * Hence we only call the cancel_hw_scan() callback, but the low-level
+ * driver is still responsible for calling ieee80211_scan_completed()
+ * after the scan was completed/aborted.
*/
mutex_lock(&local->mtx);
- abortscan = local->scan_req && !test_bit(SCAN_HW_SCANNING, &local->scanning);
- if (abortscan) {
- /*
- * The scan is canceled, but stop work from being pending.
- *
- * If the work is currently running, it must be blocked on
- * the mutex, but we'll set scan_sdata = NULL and it'll
- * simply exit once it acquires the mutex.
- */
- cancel_delayed_work(&local->scan_work);
- /* and clean up */
- __ieee80211_scan_completed(&local->hw, true, false);
+ if (!local->scan_req)
+ goto out;
+
+ if (test_bit(SCAN_HW_SCANNING, &local->scanning)) {
+ if (local->ops->cancel_hw_scan)
+ drv_cancel_hw_scan(local, local->scan_sdata);
+ goto out;
}
+
+ /*
+ * If the work is currently running, it must be blocked on
+ * the mutex, but we'll set scan_sdata = NULL and it'll
+ * simply exit once it acquires the mutex.
+ */
+ cancel_delayed_work(&local->scan_work);
+ /* and clean up */
+ __ieee80211_scan_completed(&local->hw, true, false);
+out:
mutex_unlock(&local->mtx);
}
@@ -877,7 +884,8 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
local->sched_scan_ies.ie[i] = kzalloc(2 +
IEEE80211_MAX_SSID_LEN +
- local->scan_ies_len,
+ local->scan_ies_len +
+ req->ie_len,
GFP_KERNEL);
if (!local->sched_scan_ies.ie[i]) {
ret = -ENOMEM;
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c6ae8718bd5..28beb78e601 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -158,6 +158,8 @@ struct tid_ampdu_rx {
* @work: work struct for starting/stopping aggregation
* @tid_rx_timer_expired: bitmap indicating on which TIDs the
* RX timer expired until the work for it runs
+ * @tid_rx_stop_requested: bitmap indicating which BA sessions per TID the
+ * driver requested to close until the work for it runs
* @mtx: mutex to protect all TX data (except non-NULL assignments
* to tid_tx[idx], which are protected by the sta spinlock)
*/
@@ -166,6 +168,7 @@ struct sta_ampdu_mlme {
/* rx */
struct tid_ampdu_rx __rcu *tid_rx[STA_TID_NUM];
unsigned long tid_rx_timer_expired[BITS_TO_LONGS(STA_TID_NUM)];
+ unsigned long tid_rx_stop_requested[BITS_TO_LONGS(STA_TID_NUM)];
/* tx */
struct work_struct work;
struct tid_ampdu_tx __rcu *tid_tx[STA_TID_NUM];
@@ -284,7 +287,8 @@ struct sta_info {
unsigned long rx_dropped;
int last_signal;
struct ewma avg_signal;
- __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
+ /* Plus 1 for non-QoS frames */
+ __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
/* Updated from TX status path only, no locking requirements */
unsigned long tx_filtered_count;
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 757e4eb2baf..cc79e697cdb 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -101,6 +101,7 @@ static void tkip_mixing_phase1(const u8 *tk, struct tkip_ctx *ctx,
p1k[4] += tkipS(p1k[3] ^ get_unaligned_le16(tk + 0 + j)) + i;
}
ctx->state = TKIP_STATE_PHASE1_DONE;
+ ctx->p1k_iv32 = tsc_IV32;
}
static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
@@ -140,60 +141,69 @@ static void tkip_mixing_phase2(const u8 *tk, struct tkip_ctx *ctx,
/* Add TKIP IV and Ext. IV at @pos. @iv0, @iv1, and @iv2 are the first octets
* of the IV. Returns pointer to the octet following IVs (i.e., beginning of
* the packet payload). */
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16)
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key)
{
- pos = write_tkip_iv(pos, iv16);
+ lockdep_assert_held(&key->u.tkip.txlock);
+
+ pos = write_tkip_iv(pos, key->u.tkip.tx.iv16);
*pos++ = (key->conf.keyidx << 6) | (1 << 5) /* Ext IV */;
put_unaligned_le32(key->u.tkip.tx.iv32, pos);
return pos + 4;
}
-void ieee80211_get_tkip_key(struct ieee80211_key_conf *keyconf,
- struct sk_buff *skb, enum ieee80211_tkip_key_type type,
- u8 *outkey)
+static void ieee80211_compute_tkip_p1k(struct ieee80211_key *key, u32 iv32)
{
- struct ieee80211_key *key = (struct ieee80211_key *)
- container_of(keyconf, struct ieee80211_key, conf);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- u8 *data;
- const u8 *tk;
- struct tkip_ctx *ctx;
- u16 iv16;
- u32 iv32;
-
- data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
- iv16 = data[2] | (data[0] << 8);
- iv32 = get_unaligned_le32(&data[4]);
-
- tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
- ctx = &key->u.tkip.tx;
+ struct ieee80211_sub_if_data *sdata = key->sdata;
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-#ifdef CONFIG_MAC80211_TKIP_DEBUG
- printk(KERN_DEBUG "TKIP encrypt: iv16 = 0x%04x, iv32 = 0x%08x\n",
- iv16, iv32);
-
- if (iv32 != ctx->iv32) {
- printk(KERN_DEBUG "skb: iv32 = 0x%08x key: iv32 = 0x%08x\n",
- iv32, ctx->iv32);
- printk(KERN_DEBUG "Wrap around of iv16 in the middle of a "
- "fragmented packet\n");
- }
-#endif
+ lockdep_assert_held(&key->u.tkip.txlock);
+
+ /*
+ * Update the P1K when the IV32 is different from the value it
+ * had when we last computed it (or when not initialised yet).
+ * This might flip-flop back and forth if packets are processed
+ * out-of-order due to the different ACs, but then we have to
+ * just compute the P1K more often.
+ */
+ if (ctx->p1k_iv32 != iv32 || ctx->state == TKIP_STATE_NOT_INIT)
+ tkip_mixing_phase1(tk, ctx, sdata->vif.addr, iv32);
+}
- /* Update the p1k only when the iv16 in the packet wraps around, this
- * might occur after the wrap around of iv16 in the key in case of
- * fragmented packets. */
- if (iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
- tkip_mixing_phase1(tk, ctx, hdr->addr2, iv32);
+void ieee80211_get_tkip_p1k_iv(struct ieee80211_key_conf *keyconf,
+ u32 iv32, u16 *p1k)
+{
+ struct ieee80211_key *key = (struct ieee80211_key *)
+ container_of(keyconf, struct ieee80211_key, conf);
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ unsigned long flags;
- if (type == IEEE80211_TKIP_P1_KEY) {
- memcpy(outkey, ctx->p1k, sizeof(u16) * 5);
- return;
- }
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
+ ieee80211_compute_tkip_p1k(key, iv32);
+ memcpy(p1k, ctx->p1k, sizeof(ctx->p1k));
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
+}
+EXPORT_SYMBOL(ieee80211_get_tkip_p1k_iv);
- tkip_mixing_phase2(tk, ctx, iv16, outkey);
+void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
+ struct sk_buff *skb, u8 *p2k)
+{
+ struct ieee80211_key *key = (struct ieee80211_key *)
+ container_of(keyconf, struct ieee80211_key, conf);
+ const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
+ struct tkip_ctx *ctx = &key->u.tkip.tx;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ const u8 *data = (u8 *)hdr + ieee80211_hdrlen(hdr->frame_control);
+ u32 iv32 = get_unaligned_le32(&data[4]);
+ u16 iv16 = data[2] | (data[0] << 8);
+ unsigned long flags;
+
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
+ ieee80211_compute_tkip_p1k(key, iv32);
+ tkip_mixing_phase2(tk, ctx, iv16, p2k);
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
}
-EXPORT_SYMBOL(ieee80211_get_tkip_key);
+EXPORT_SYMBOL(ieee80211_get_tkip_p2k);
/*
* Encrypt packet payload with TKIP using @key. @pos is a pointer to the
@@ -204,19 +214,15 @@ EXPORT_SYMBOL(ieee80211_get_tkip_key);
*/
int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta)
+ struct sk_buff *skb,
+ u8 *payload, size_t payload_len)
{
u8 rc4key[16];
- struct tkip_ctx *ctx = &key->u.tkip.tx;
- const u8 *tk = &key->conf.key[NL80211_TKIP_DATA_OFFSET_ENCR_KEY];
-
- /* Calculate per-packet key */
- if (ctx->iv16 == 0 || ctx->state == TKIP_STATE_NOT_INIT)
- tkip_mixing_phase1(tk, ctx, ta, ctx->iv32);
- tkip_mixing_phase2(tk, ctx, ctx->iv16, rc4key);
+ ieee80211_get_tkip_p2k(&key->conf, skb, rc4key);
- return ieee80211_wep_encrypt_data(tfm, rc4key, 16, pos, payload_len);
+ return ieee80211_wep_encrypt_data(tfm, rc4key, 16,
+ payload, payload_len);
}
/* Decrypt packet payload with TKIP using @key. @pos is a pointer to the
diff --git a/net/mac80211/tkip.h b/net/mac80211/tkip.h
index 1cab9c86978..e3ecb659b90 100644
--- a/net/mac80211/tkip.h
+++ b/net/mac80211/tkip.h
@@ -13,11 +13,13 @@
#include <linux/crypto.h>
#include "key.h"
-u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
+u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key);
int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
- struct ieee80211_key *key,
- u8 *pos, size_t payload_len, u8 *ta);
+ struct ieee80211_key *key,
+ struct sk_buff *skb,
+ u8 *payload, size_t payload_len);
+
enum {
TKIP_DECRYPT_OK = 0,
TKIP_DECRYPT_NO_EXT_IV = -1,
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 3104c844b54..8cb0d2d0ac6 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -589,6 +589,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
break;
}
+ if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED))
+ return TX_DROP;
+
if (!skip_hw && tx->key &&
tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
info->control.hw_key = &tx->key->conf;
@@ -1474,18 +1477,14 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
/* device xmit handlers */
-static int ieee80211_skb_resize(struct ieee80211_local *local,
+static int ieee80211_skb_resize(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb,
int head_need, bool may_encrypt)
{
+ struct ieee80211_local *local = sdata->local;
int tail_need = 0;
- /*
- * This could be optimised, devices that do full hardware
- * crypto (including TKIP MMIC) need no tailroom... But we
- * have no drivers for such devices currently.
- */
- if (may_encrypt) {
+ if (may_encrypt && sdata->crypto_tx_tailroom_needed_cnt) {
tail_need = IEEE80211_ENCRYPT_TAILROOM;
tail_need -= skb_tailroom(skb);
tail_need = max_t(int, tail_need, 0);
@@ -1578,7 +1577,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
headroom -= skb_headroom(skb);
headroom = max_t(int, 0, headroom);
- if (ieee80211_skb_resize(local, skb, headroom, may_encrypt)) {
+ if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) {
dev_kfree_skb(skb);
rcu_read_unlock();
return;
@@ -1945,7 +1944,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
head_need += IEEE80211_ENCRYPT_HEADROOM;
head_need += local->tx_headroom;
head_need = max_t(int, 0, head_need);
- if (ieee80211_skb_resize(local, skb, head_need, true))
+ if (ieee80211_skb_resize(sdata, skb, head_need, true))
goto fail;
}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d3fe2d23748..5bfb80cba63 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1018,7 +1018,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len,
+ bool directed)
{
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
@@ -1035,8 +1036,16 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
return NULL;
}
- chan = ieee80211_frequency_to_channel(
- local->hw.conf.channel->center_freq);
+ /*
+ * Do not send DS Channel parameter for directed probe requests
+ * in order to maximize the chance that we get a response. Some
+ * badly-behaved APs don't respond when this parameter is included.
+ */
+ if (directed)
+ chan = 0;
+ else
+ chan = ieee80211_frequency_to_channel(
+ local->hw.conf.channel->center_freq);
buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
local->hw.conf.channel->band,
@@ -1062,11 +1071,13 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
- const u8 *ie, size_t ie_len)
+ const u8 *ie, size_t ie_len,
+ bool directed)
{
struct sk_buff *skb;
- skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len);
+ skb = ieee80211_build_probe_req(sdata, dst, ssid, ssid_len, ie, ie_len,
+ directed);
if (skb)
ieee80211_tx_skb(sdata, skb);
}
@@ -1276,7 +1287,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (ieee80211_sdata_running(sdata))
ieee80211_enable_keys(sdata);
+#ifdef CONFIG_PM
wake_up:
+#endif
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
@@ -1321,6 +1334,33 @@ int ieee80211_reconfig(struct ieee80211_local *local)
return 0;
}
+void ieee80211_resume_disconnect(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_local *local;
+ struct ieee80211_key *key;
+
+ if (WARN_ON(!vif))
+ return;
+
+ sdata = vif_to_sdata(vif);
+ local = sdata->local;
+
+ if (WARN_ON(!local->resuming))
+ return;
+
+ if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+ return;
+
+ sdata->flags |= IEEE80211_SDATA_DISCONNECT_RESUME;
+
+ mutex_lock(&local->key_mtx);
+ list_for_each_entry(key, &sdata->key_list, list)
+ key->flags |= KEY_FLAG_TAINTED;
+ mutex_unlock(&local->key_mtx);
+}
+EXPORT_SYMBOL_GPL(ieee80211_resume_disconnect);
+
static int check_mgd_smps(struct ieee80211_if_managed *ifmgd,
enum ieee80211_smps_mode *smps_mode)
{
@@ -1437,3 +1477,43 @@ size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset)
return pos;
}
+
+static void _ieee80211_enable_rssi_reports(struct ieee80211_sub_if_data *sdata,
+ int rssi_min_thold,
+ int rssi_max_thold)
+{
+ trace_api_enable_rssi_reports(sdata, rssi_min_thold, rssi_max_thold);
+
+ if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
+ return;
+
+ /*
+ * Scale up threshold values before storing it, as the RSSI averaging
+ * algorithm uses a scaled up value as well. Change this scaling
+ * factor if the RSSI averaging algorithm changes.
+ */
+ sdata->u.mgd.rssi_min_thold = rssi_min_thold*16;
+ sdata->u.mgd.rssi_max_thold = rssi_max_thold*16;
+}
+
+void ieee80211_enable_rssi_reports(struct ieee80211_vif *vif,
+ int rssi_min_thold,
+ int rssi_max_thold)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ WARN_ON(rssi_min_thold == rssi_max_thold ||
+ rssi_min_thold > rssi_max_thold);
+
+ _ieee80211_enable_rssi_reports(sdata, rssi_min_thold,
+ rssi_max_thold);
+}
+EXPORT_SYMBOL(ieee80211_enable_rssi_reports);
+
+void ieee80211_disable_rssi_reports(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ _ieee80211_enable_rssi_reports(sdata, 0, 0);
+}
+EXPORT_SYMBOL(ieee80211_disable_rssi_reports);
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 28bc084dbfb..7a49532f14c 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -151,8 +151,7 @@ void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb)
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (unlikely(local->wifi_wme_noack_test))
- ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK <<
- QOS_CONTROL_ACK_POLICY_SHIFT;
+ ack_policy |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
/* qos header is 2 bytes, second reserved */
*p++ = ack_policy | tid;
*p = 0;
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index 6053b1c9fee..faead6d0202 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -13,11 +13,6 @@
#include <linux/netdevice.h>
#include "ieee80211_i.h"
-#define QOS_CONTROL_ACK_POLICY_NORMAL 0
-#define QOS_CONTROL_ACK_POLICY_NOACK 1
-
-#define QOS_CONTROL_ACK_POLICY_SHIFT 5
-
extern const int ieee802_1d_to_ac[8];
u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index d2e7f0e8667..edf8583280c 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -450,7 +450,7 @@ ieee80211_direct_probe(struct ieee80211_work *wk)
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, wk->probe_auth.ssid,
- wk->probe_auth.ssid_len, NULL, 0);
+ wk->probe_auth.ssid_len, NULL, 0, true);
wk->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
run_again(local, wk->timeout);
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 9dc3b5f26e8..7bc8702808f 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -15,6 +15,7 @@
#include <linux/gfp.h>
#include <asm/unaligned.h>
#include <net/mac80211.h>
+#include <crypto/aes.h>
#include "ieee80211_i.h"
#include "michael.h"
@@ -148,13 +149,19 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
update_iv:
/* update IV in key information to be able to detect replays */
- rx->key->u.tkip.rx[rx->queue].iv32 = rx->tkip_iv32;
- rx->key->u.tkip.rx[rx->queue].iv16 = rx->tkip_iv16;
+ rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip_iv32;
+ rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip_iv16;
return RX_CONTINUE;
mic_fail:
- mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
+ /*
+ * In some cases the key can be unset - e.g. a multicast packet, in
+ * a driver that supports HW encryption. Send up the key idx only if
+ * the key is set.
+ */
+ mac80211_ev_michael_mic_failure(rx->sdata,
+ rx->key ? rx->key->conf.keyidx : -1,
(void *) skb->data, NULL, GFP_ATOMIC);
return RX_DROP_UNUSABLE;
}
@@ -165,6 +172,7 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_key *key = tx->key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ unsigned long flags;
unsigned int hdrlen;
int len, tail;
u8 *pos;
@@ -192,11 +200,12 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
pos += hdrlen;
/* Increase IV for the frame */
+ spin_lock_irqsave(&key->u.tkip.txlock, flags);
key->u.tkip.tx.iv16++;
if (key->u.tkip.tx.iv16 == 0)
key->u.tkip.tx.iv32++;
-
- pos = ieee80211_tkip_add_iv(pos, key, key->u.tkip.tx.iv16);
+ pos = ieee80211_tkip_add_iv(pos, key);
+ spin_unlock_irqrestore(&key->u.tkip.txlock, flags);
/* hwaccel - with software IV */
if (info->control.hw_key)
@@ -205,9 +214,8 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
/* Add room for ICV */
skb_put(skb, TKIP_ICV_LEN);
- hdr = (struct ieee80211_hdr *) skb->data;
return ieee80211_tkip_encrypt_data(tx->local->wep_tx_tfm,
- key, pos, len, hdr->addr2);
+ key, skb, pos, len);
}
@@ -255,7 +263,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
key, skb->data + hdrlen,
skb->len - hdrlen, rx->sta->sta.addr,
- hdr->addr1, hwaccel, rx->queue,
+ hdr->addr1, hwaccel, rx->security_idx,
&rx->tkip_iv32,
&rx->tkip_iv16);
if (res != TKIP_DECRYPT_OK)
@@ -283,8 +291,10 @@ static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
unsigned int hdrlen;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- b_0 = scratch + 3 * AES_BLOCK_LEN;
- aad = scratch + 4 * AES_BLOCK_LEN;
+ memset(scratch, 0, 6 * AES_BLOCK_SIZE);
+
+ b_0 = scratch + 3 * AES_BLOCK_SIZE;
+ aad = scratch + 4 * AES_BLOCK_SIZE;
/*
* Mask FC: zero subtype b4 b5 b6 (if not mgmt)
@@ -373,8 +383,10 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
struct ieee80211_key *key = tx->key;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int hdrlen, len, tail;
- u8 *pos, *pn;
- int i;
+ u8 *pos;
+ u8 pn[6];
+ u64 pn64;
+ u8 scratch[6 * AES_BLOCK_SIZE];
if (info->control.hw_key &&
!(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
@@ -402,14 +414,14 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
hdr = (struct ieee80211_hdr *) pos;
pos += hdrlen;
- /* PN = PN + 1 */
- pn = key->u.ccmp.tx_pn;
+ pn64 = atomic64_inc_return(&key->u.ccmp.tx_pn);
- for (i = CCMP_PN_LEN - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
+ pn[5] = pn64;
+ pn[4] = pn64 >> 8;
+ pn[3] = pn64 >> 16;
+ pn[2] = pn64 >> 24;
+ pn[1] = pn64 >> 32;
+ pn[0] = pn64 >> 40;
ccmp_pn2hdr(pos, pn, key->conf.keyidx);
@@ -418,8 +430,8 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
return 0;
pos += CCMP_HDR_LEN;
- ccmp_special_blocks(skb, pn, key->u.ccmp.tx_crypto_buf, 0);
- ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, key->u.ccmp.tx_crypto_buf, pos, len,
+ ccmp_special_blocks(skb, pn, scratch, 0);
+ ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
pos, skb_put(skb, CCMP_MIC_LEN));
return 0;
@@ -466,8 +478,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
ccmp_hdr2pn(pn, skb->data + hdrlen);
- queue = ieee80211_is_mgmt(hdr->frame_control) ?
- NUM_RX_DATA_QUEUES : rx->queue;
+ queue = rx->security_idx;
if (memcmp(pn, key->u.ccmp.rx_pn[queue], CCMP_PN_LEN) <= 0) {
key->u.ccmp.replays++;
@@ -475,11 +486,12 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
}
if (!(status->flag & RX_FLAG_DECRYPTED)) {
+ u8 scratch[6 * AES_BLOCK_SIZE];
/* hardware didn't decrypt/verify MIC */
- ccmp_special_blocks(skb, pn, key->u.ccmp.rx_crypto_buf, 1);
+ ccmp_special_blocks(skb, pn, scratch, 1);
if (ieee80211_aes_ccm_decrypt(
- key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
+ key->u.ccmp.tfm, scratch,
skb->data + hdrlen + CCMP_HDR_LEN, data_len,
skb->data + skb->len - CCMP_MIC_LEN,
skb->data + hdrlen + CCMP_HDR_LEN))
@@ -510,6 +522,16 @@ static void bip_aad(struct sk_buff *skb, u8 *aad)
}
+static inline void bip_ipn_set64(u8 *d, u64 pn)
+{
+ *d++ = pn;
+ *d++ = pn >> 8;
+ *d++ = pn >> 16;
+ *d++ = pn >> 24;
+ *d++ = pn >> 32;
+ *d = pn >> 40;
+}
+
static inline void bip_ipn_swap(u8 *d, const u8 *s)
{
*d++ = s[5];
@@ -528,8 +550,8 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_key *key = tx->key;
struct ieee80211_mmie *mmie;
- u8 *pn, aad[20];
- int i;
+ u8 aad[20];
+ u64 pn64;
if (info->control.hw_key)
return 0;
@@ -543,22 +565,17 @@ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx)
mmie->key_id = cpu_to_le16(key->conf.keyidx);
/* PN = PN + 1 */
- pn = key->u.aes_cmac.tx_pn;
+ pn64 = atomic64_inc_return(&key->u.aes_cmac.tx_pn);
- for (i = sizeof(key->u.aes_cmac.tx_pn) - 1; i >= 0; i--) {
- pn[i]++;
- if (pn[i])
- break;
- }
- bip_ipn_swap(mmie->sequence_number, pn);
+ bip_ipn_set64(mmie->sequence_number, pn64);
bip_aad(skb, aad);
/*
* MIC = AES-128-CMAC(IGTK, AAD || Management Frame Body || MMIE, 64)
*/
- ieee80211_aes_cmac(key->u.aes_cmac.tfm, key->u.aes_cmac.tx_crypto_buf,
- aad, skb->data + 24, skb->len - 24, mmie->mic);
+ ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad,
+ skb->data + 24, skb->len - 24, mmie->mic);
return TX_CONTINUE;
}
@@ -596,8 +613,7 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
if (!(status->flag & RX_FLAG_DECRYPTED)) {
/* hardware didn't decrypt/verify MIC */
bip_aad(skb, aad);
- ieee80211_aes_cmac(key->u.aes_cmac.tfm,
- key->u.aes_cmac.rx_crypto_buf, aad,
+ ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad,
skb->data + 24, skb->len - 24, mic);
if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
key->u.aes_cmac.icverrors++;
diff --git a/net/netfilter/ipset/Kconfig b/net/netfilter/ipset/Kconfig
index 2c5b348eb3a..ba36c283d83 100644
--- a/net/netfilter/ipset/Kconfig
+++ b/net/netfilter/ipset/Kconfig
@@ -109,6 +109,16 @@ config IP_SET_HASH_NETPORT
To compile it as a module, choose M here. If unsure, say N.
+config IP_SET_HASH_NETIFACE
+ tristate "hash:net,iface set support"
+ depends on IP_SET
+ help
+ This option adds the hash:net,iface set type support, by which
+ one can store IPv4/IPv6 network address/prefix and
+ interface name pairs as elements in a set.
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config IP_SET_LIST_SET
tristate "list:set set support"
depends on IP_SET
diff --git a/net/netfilter/ipset/Makefile b/net/netfilter/ipset/Makefile
index 5adbdab67bd..6e965ecd544 100644
--- a/net/netfilter/ipset/Makefile
+++ b/net/netfilter/ipset/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_IP_SET_HASH_IPPORTIP) += ip_set_hash_ipportip.o
obj-$(CONFIG_IP_SET_HASH_IPPORTNET) += ip_set_hash_ipportnet.o
obj-$(CONFIG_IP_SET_HASH_NET) += ip_set_hash_net.o
obj-$(CONFIG_IP_SET_HASH_NETPORT) += ip_set_hash_netport.o
+obj-$(CONFIG_IP_SET_HASH_NETIFACE) += ip_set_hash_netiface.o
# list types
obj-$(CONFIG_IP_SET_LIST_SET) += ip_set_list_set.o
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index ba2d16607f4..e3e73997c3b 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -54,7 +54,7 @@ ip_to_id(const struct bitmap_ip *m, u32 ip)
}
static int
-bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_ip *map = set->data;
u16 id = *(u16 *)value;
@@ -63,7 +63,7 @@ bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ip *map = set->data;
u16 id = *(u16 *)value;
@@ -75,7 +75,7 @@ bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ip_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ip *map = set->data;
u16 id = *(u16 *)value;
@@ -131,7 +131,7 @@ nla_put_failure:
/* Timeout variant */
static int
-bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_ip *map = set->data;
const unsigned long *members = map->members;
@@ -141,13 +141,13 @@ bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ip *map = set->data;
unsigned long *members = map->members;
u16 id = *(u16 *)value;
- if (ip_set_timeout_test(members[id]))
+ if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
return -IPSET_ERR_EXIST;
members[id] = ip_set_timeout_set(timeout);
@@ -156,7 +156,7 @@ bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ip *map = set->data;
unsigned long *members = map->members;
@@ -219,24 +219,25 @@ nla_put_failure:
static int
bitmap_ip_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
struct bitmap_ip *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
u32 ip;
- ip = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
+ ip = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC));
if (ip < map->first_ip || ip > map->last_ip)
return -IPSET_ERR_BITMAP_RANGE;
ip = ip_to_id(map, ip);
- return adtfn(set, &ip, map->timeout);
+ return adtfn(set, &ip, opt_timeout(opt, map), opt->cmdflags);
}
static int
bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
struct bitmap_ip *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -266,7 +267,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
if (adt == IPSET_TEST) {
id = ip_to_id(map, ip);
- return adtfn(set, &id, timeout);
+ return adtfn(set, &id, timeout, flags);
}
if (tb[IPSET_ATTR_IP_TO]) {
@@ -283,8 +284,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
if (cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
- ip &= ip_set_hostmask(cidr);
- ip_to = ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(ip, ip_to, cidr);
} else
ip_to = ip;
@@ -293,7 +293,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
for (; !before(ip_to, ip); ip += map->hosts) {
id = ip_to_id(map, ip);
- ret = adtfn(set, &id, timeout);
+ ret = adtfn(set, &id, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -478,7 +478,7 @@ bitmap_ip_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
if (cidr >= 32)
return -IPSET_ERR_INVALID_CIDR;
- last_ip = first_ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(first_ip, last_ip, cidr);
} else
return -IPSET_ERR_PROTOCOL;
@@ -551,7 +551,8 @@ static struct ip_set_type bitmap_ip_type __read_mostly = {
.features = IPSET_TYPE_IP,
.dimension = IPSET_DIM_ONE,
.family = AF_INET,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 0,
.create = bitmap_ip_create,
.create_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index a274300b6a5..56096f54497 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -99,7 +99,7 @@ bitmap_ipmac_exist(const struct ipmac_telem *elem)
/* Base variant */
static int
-bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
@@ -117,7 +117,7 @@ bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
@@ -146,7 +146,7 @@ bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
@@ -212,7 +212,7 @@ nla_put_failure:
/* Timeout variant */
static int
-bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
@@ -231,15 +231,16 @@ bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
struct ipmac_telem *elem = bitmap_ipmac_elem(map, data->id);
+ bool flag_exist = flags & IPSET_FLAG_EXIST;
switch (elem->match) {
case MAC_UNSET:
- if (!data->ether)
+ if (!(data->ether || flag_exist))
/* Already added without ethernet address */
return -IPSET_ERR_EXIST;
/* Fill the MAC address and activate the timer */
@@ -251,7 +252,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
elem->timeout = ip_set_timeout_set(timeout);
break;
case MAC_FILLED:
- if (!bitmap_expired(map, data->id))
+ if (!(bitmap_expired(map, data->id) || flag_exist))
return -IPSET_ERR_EXIST;
/* Fall through */
case MAC_EMPTY:
@@ -273,7 +274,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_ipmac *map = set->data;
const struct ipmac *data = value;
@@ -337,17 +338,18 @@ nla_put_failure:
static int
bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
struct bitmap_ipmac *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct ipmac data;
/* MAC can be src only */
- if (!(flags & IPSET_DIM_TWO_SRC))
+ if (!(opt->flags & IPSET_DIM_TWO_SRC))
return 0;
- data.id = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
+ data.id = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC));
if (data.id < map->first_ip || data.id > map->last_ip)
return -IPSET_ERR_BITMAP_RANGE;
@@ -359,12 +361,12 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
data.id -= map->first_ip;
data.ether = eth_hdr(skb)->h_source;
- return adtfn(set, &data, map->timeout);
+ return adtfn(set, &data, opt_timeout(opt, map), opt->cmdflags);
}
static int
bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct bitmap_ipmac *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -399,7 +401,7 @@ bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
data.id -= map->first_ip;
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -577,7 +579,7 @@ bitmap_ipmac_create(struct ip_set *set, struct nlattr *tb[],
if (cidr >= 32)
return -IPSET_ERR_INVALID_CIDR;
- last_ip = first_ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(first_ip, last_ip, cidr);
} else
return -IPSET_ERR_PROTOCOL;
@@ -622,7 +624,8 @@ static struct ip_set_type bitmap_ipmac_type = {
.features = IPSET_TYPE_IP | IPSET_TYPE_MAC,
.dimension = IPSET_DIM_TWO,
.family = AF_INET,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 0,
.create = bitmap_ipmac_create,
.create_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
@@ -632,7 +635,8 @@ static struct ip_set_type bitmap_ipmac_type = {
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
- [IPSET_ATTR_ETHER] = { .type = NLA_BINARY, .len = ETH_ALEN },
+ [IPSET_ATTR_ETHER] = { .type = NLA_BINARY,
+ .len = ETH_ALEN },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
},
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 6b38eb8f6ed..29ba93bb94b 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -40,7 +40,7 @@ struct bitmap_port {
/* Base variant */
static int
-bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_port *map = set->data;
u16 id = *(u16 *)value;
@@ -49,7 +49,7 @@ bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_port *map = set->data;
u16 id = *(u16 *)value;
@@ -61,7 +61,7 @@ bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_port_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_port *map = set->data;
u16 id = *(u16 *)value;
@@ -119,7 +119,7 @@ nla_put_failure:
/* Timeout variant */
static int
-bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
const struct bitmap_port *map = set->data;
const unsigned long *members = map->members;
@@ -129,13 +129,13 @@ bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_port *map = set->data;
unsigned long *members = map->members;
u16 id = *(u16 *)value;
- if (ip_set_timeout_test(members[id]))
+ if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
return -IPSET_ERR_EXIST;
members[id] = ip_set_timeout_set(timeout);
@@ -144,7 +144,7 @@ bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
}
static int
-bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
{
struct bitmap_port *map = set->data;
unsigned long *members = map->members;
@@ -208,14 +208,16 @@ nla_put_failure:
static int
bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
struct bitmap_port *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
__be16 __port;
u16 port = 0;
- if (!ip_set_get_ip_port(skb, pf, flags & IPSET_DIM_ONE_SRC, &__port))
+ if (!ip_set_get_ip_port(skb, opt->family,
+ opt->flags & IPSET_DIM_ONE_SRC, &__port))
return -EINVAL;
port = ntohs(__port);
@@ -225,12 +227,12 @@ bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
port -= map->first_port;
- return adtfn(set, &port, map->timeout);
+ return adtfn(set, &port, opt_timeout(opt, map), opt->cmdflags);
}
static int
bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
struct bitmap_port *map = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -259,7 +261,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
if (adt == IPSET_TEST) {
id = port - map->first_port;
- return adtfn(set, &id, timeout);
+ return adtfn(set, &id, timeout, flags);
}
if (tb[IPSET_ATTR_PORT_TO]) {
@@ -277,7 +279,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
for (; port <= port_to; port++) {
id = port - map->first_port;
- ret = adtfn(set, &id, timeout);
+ ret = adtfn(set, &id, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -482,7 +484,8 @@ static struct ip_set_type bitmap_port_type = {
.features = IPSET_TYPE_PORT,
.dimension = IPSET_DIM_ONE,
.family = AF_UNSPEC,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 0,
.create = bitmap_port_create,
.create_policy = {
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 42aa64b6b0b..d7e86ef9d23 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -17,10 +17,10 @@
#include <linux/spinlock.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
-#include <linux/version.h>
#include <net/netlink.h>
#include <linux/netfilter.h>
+#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/ipset/ip_set.h>
@@ -70,7 +70,8 @@ find_set_type(const char *name, u8 family, u8 revision)
list_for_each_entry_rcu(type, &ip_set_type_list, list)
if (STREQ(type->name, name) &&
(type->family == family || type->family == AF_UNSPEC) &&
- type->revision == revision)
+ revision >= type->revision_min &&
+ revision <= type->revision_max)
return type;
return NULL;
}
@@ -135,10 +136,10 @@ find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max)
if (STREQ(type->name, name) &&
(type->family == family || type->family == AF_UNSPEC)) {
found = true;
- if (type->revision < *min)
- *min = type->revision;
- if (type->revision > *max)
- *max = type->revision;
+ if (type->revision_min < *min)
+ *min = type->revision_min;
+ if (type->revision_max > *max)
+ *max = type->revision_max;
}
rcu_read_unlock();
if (found)
@@ -159,25 +160,27 @@ ip_set_type_register(struct ip_set_type *type)
int ret = 0;
if (type->protocol != IPSET_PROTOCOL) {
- pr_warning("ip_set type %s, family %s, revision %u uses "
+ pr_warning("ip_set type %s, family %s, revision %u:%u uses "
"wrong protocol version %u (want %u)\n",
type->name, family_name(type->family),
- type->revision, type->protocol, IPSET_PROTOCOL);
+ type->revision_min, type->revision_max,
+ type->protocol, IPSET_PROTOCOL);
return -EINVAL;
}
ip_set_type_lock();
- if (find_set_type(type->name, type->family, type->revision)) {
+ if (find_set_type(type->name, type->family, type->revision_min)) {
/* Duplicate! */
- pr_warning("ip_set type %s, family %s, revision %u "
+ pr_warning("ip_set type %s, family %s with revision min %u "
"already registered!\n", type->name,
- family_name(type->family), type->revision);
+ family_name(type->family), type->revision_min);
ret = -EINVAL;
goto unlock;
}
list_add_rcu(&type->list, &ip_set_type_list);
- pr_debug("type %s, family %s, revision %u registered.\n",
- type->name, family_name(type->family), type->revision);
+ pr_debug("type %s, family %s, revision %u:%u registered.\n",
+ type->name, family_name(type->family),
+ type->revision_min, type->revision_max);
unlock:
ip_set_type_unlock();
return ret;
@@ -189,15 +192,15 @@ void
ip_set_type_unregister(struct ip_set_type *type)
{
ip_set_type_lock();
- if (!find_set_type(type->name, type->family, type->revision)) {
- pr_warning("ip_set type %s, family %s, revision %u "
+ if (!find_set_type(type->name, type->family, type->revision_min)) {
+ pr_warning("ip_set type %s, family %s with revision min %u "
"not registered\n", type->name,
- family_name(type->family), type->revision);
+ family_name(type->family), type->revision_min);
goto unlock;
}
list_del_rcu(&type->list);
- pr_debug("type %s, family %s, revision %u unregistered.\n",
- type->name, family_name(type->family), type->revision);
+ pr_debug("type %s, family %s with revision min %u unregistered.\n",
+ type->name, family_name(type->family), type->revision_min);
unlock:
ip_set_type_unlock();
@@ -325,7 +328,8 @@ __ip_set_put(ip_set_id_t index)
int
ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
- u8 family, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ const struct ip_set_adt_opt *opt)
{
struct ip_set *set = ip_set_list[index];
int ret = 0;
@@ -333,19 +337,19 @@ ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
- if (dim < set->type->dimension ||
- !(family == set->family || set->family == AF_UNSPEC))
+ if (opt->dim < set->type->dimension ||
+ !(opt->family == set->family || set->family == AF_UNSPEC))
return 0;
read_lock_bh(&set->lock);
- ret = set->variant->kadt(set, skb, IPSET_TEST, family, dim, flags);
+ ret = set->variant->kadt(set, skb, par, IPSET_TEST, opt);
read_unlock_bh(&set->lock);
if (ret == -EAGAIN) {
/* Type requests element to be completed */
pr_debug("element must be competed, ADD is triggered\n");
write_lock_bh(&set->lock);
- set->variant->kadt(set, skb, IPSET_ADD, family, dim, flags);
+ set->variant->kadt(set, skb, par, IPSET_ADD, opt);
write_unlock_bh(&set->lock);
ret = 1;
}
@@ -357,7 +361,8 @@ EXPORT_SYMBOL_GPL(ip_set_test);
int
ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
- u8 family, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ const struct ip_set_adt_opt *opt)
{
struct ip_set *set = ip_set_list[index];
int ret;
@@ -365,12 +370,12 @@ ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
- if (dim < set->type->dimension ||
- !(family == set->family || set->family == AF_UNSPEC))
+ if (opt->dim < set->type->dimension ||
+ !(opt->family == set->family || set->family == AF_UNSPEC))
return 0;
write_lock_bh(&set->lock);
- ret = set->variant->kadt(set, skb, IPSET_ADD, family, dim, flags);
+ ret = set->variant->kadt(set, skb, par, IPSET_ADD, opt);
write_unlock_bh(&set->lock);
return ret;
@@ -379,7 +384,8 @@ EXPORT_SYMBOL_GPL(ip_set_add);
int
ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
- u8 family, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ const struct ip_set_adt_opt *opt)
{
struct ip_set *set = ip_set_list[index];
int ret = 0;
@@ -387,12 +393,12 @@ ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
BUG_ON(set == NULL);
pr_debug("set %s, index %u\n", set->name, index);
- if (dim < set->type->dimension ||
- !(family == set->family || set->family == AF_UNSPEC))
+ if (opt->dim < set->type->dimension ||
+ !(opt->family == set->family || set->family == AF_UNSPEC))
return 0;
write_lock_bh(&set->lock);
- ret = set->variant->kadt(set, skb, IPSET_DEL, family, dim, flags);
+ ret = set->variant->kadt(set, skb, par, IPSET_DEL, opt);
write_unlock_bh(&set->lock);
return ret;
@@ -656,6 +662,7 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
rwlock_init(&set->lock);
strlcpy(set->name, name, IPSET_MAXNAMELEN);
set->family = family;
+ set->revision = revision;
/*
* Next, check that we know the type, and take
@@ -675,8 +682,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
if (attr[IPSET_ATTR_DATA] &&
nla_parse_nested(tb, IPSET_ATTR_CREATE_MAX, attr[IPSET_ATTR_DATA],
set->type->create_policy)) {
- ret = -IPSET_ERR_PROTOCOL;
- goto put_out;
+ ret = -IPSET_ERR_PROTOCOL;
+ goto put_out;
}
ret = set->type->create(set, tb, flags);
@@ -696,7 +703,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
(flags & IPSET_FLAG_EXIST) &&
STREQ(set->type->name, clash->type->name) &&
set->type->family == clash->type->family &&
- set->type->revision == clash->type->revision &&
+ set->type->revision_min == clash->type->revision_min &&
+ set->type->revision_max == clash->type->revision_max &&
set->variant->same_set(set, clash))
ret = 0;
goto cleanup;
@@ -939,10 +947,13 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
/* List/save set data */
-#define DUMP_INIT 0L
-#define DUMP_ALL 1L
-#define DUMP_ONE 2L
-#define DUMP_LAST 3L
+#define DUMP_INIT 0
+#define DUMP_ALL 1
+#define DUMP_ONE 2
+#define DUMP_LAST 3
+
+#define DUMP_TYPE(arg) (((u32)(arg)) & 0x0000FFFF)
+#define DUMP_FLAGS(arg) (((u32)(arg)) >> 16)
static int
ip_set_dump_done(struct netlink_callback *cb)
@@ -973,6 +984,7 @@ dump_init(struct netlink_callback *cb)
int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
struct nlattr *cda[IPSET_ATTR_CMD_MAX+1];
struct nlattr *attr = (void *)nlh + min_len;
+ u32 dump_type;
ip_set_id_t index;
/* Second pass, so parser can't fail */
@@ -984,17 +996,22 @@ dump_init(struct netlink_callback *cb)
* [..]: type specific
*/
- if (!cda[IPSET_ATTR_SETNAME]) {
- cb->args[0] = DUMP_ALL;
- return 0;
- }
+ if (cda[IPSET_ATTR_SETNAME]) {
+ index = find_set_id(nla_data(cda[IPSET_ATTR_SETNAME]));
+ if (index == IPSET_INVALID_ID)
+ return -ENOENT;
- index = find_set_id(nla_data(cda[IPSET_ATTR_SETNAME]));
- if (index == IPSET_INVALID_ID)
- return -ENOENT;
+ dump_type = DUMP_ONE;
+ cb->args[1] = index;
+ } else
+ dump_type = DUMP_ALL;
+
+ if (cda[IPSET_ATTR_FLAGS]) {
+ u32 f = ip_set_get_h32(cda[IPSET_ATTR_FLAGS]);
+ dump_type |= (f << 16);
+ }
+ cb->args[0] = dump_type;
- cb->args[0] = DUMP_ONE;
- cb->args[1] = index;
return 0;
}
@@ -1005,9 +1022,10 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
struct ip_set *set = NULL;
struct nlmsghdr *nlh = NULL;
unsigned int flags = NETLINK_CB(cb->skb).pid ? NLM_F_MULTI : 0;
+ u32 dump_type, dump_flags;
int ret = 0;
- if (cb->args[0] == DUMP_INIT) {
+ if (!cb->args[0]) {
ret = dump_init(cb);
if (ret < 0) {
nlh = nlmsg_hdr(cb->skb);
@@ -1022,14 +1040,17 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
if (cb->args[1] >= ip_set_max)
goto out;
- max = cb->args[0] == DUMP_ONE ? cb->args[1] + 1 : ip_set_max;
+ dump_type = DUMP_TYPE(cb->args[0]);
+ dump_flags = DUMP_FLAGS(cb->args[0]);
+ max = dump_type == DUMP_ONE ? cb->args[1] + 1 : ip_set_max;
dump_last:
- pr_debug("args[0]: %ld args[1]: %ld\n", cb->args[0], cb->args[1]);
+ pr_debug("args[0]: %u %u args[1]: %ld\n",
+ dump_type, dump_flags, cb->args[1]);
for (; cb->args[1] < max; cb->args[1]++) {
index = (ip_set_id_t) cb->args[1];
set = ip_set_list[index];
if (set == NULL) {
- if (cb->args[0] == DUMP_ONE) {
+ if (dump_type == DUMP_ONE) {
ret = -ENOENT;
goto out;
}
@@ -1038,8 +1059,8 @@ dump_last:
/* When dumping all sets, we must dump "sorted"
* so that lists (unions of sets) are dumped last.
*/
- if (cb->args[0] != DUMP_ONE &&
- ((cb->args[0] == DUMP_ALL) ==
+ if (dump_type != DUMP_ONE &&
+ ((dump_type == DUMP_ALL) ==
!!(set->type->features & IPSET_DUMP_LAST)))
continue;
pr_debug("List set: %s\n", set->name);
@@ -1057,6 +1078,8 @@ dump_last:
}
NLA_PUT_U8(skb, IPSET_ATTR_PROTOCOL, IPSET_PROTOCOL);
NLA_PUT_STRING(skb, IPSET_ATTR_SETNAME, set->name);
+ if (dump_flags & IPSET_FLAG_LIST_SETNAME)
+ goto next_set;
switch (cb->args[2]) {
case 0:
/* Core header data */
@@ -1065,28 +1088,27 @@ dump_last:
NLA_PUT_U8(skb, IPSET_ATTR_FAMILY,
set->family);
NLA_PUT_U8(skb, IPSET_ATTR_REVISION,
- set->type->revision);
+ set->revision);
ret = set->variant->head(set, skb);
if (ret < 0)
goto release_refcount;
+ if (dump_flags & IPSET_FLAG_LIST_HEADER)
+ goto next_set;
/* Fall through and add elements */
default:
read_lock_bh(&set->lock);
ret = set->variant->list(set, skb, cb);
read_unlock_bh(&set->lock);
- if (!cb->args[2]) {
+ if (!cb->args[2])
/* Set is done, proceed with next one */
- if (cb->args[0] == DUMP_ONE)
- cb->args[1] = IPSET_INVALID_ID;
- else
- cb->args[1]++;
- }
+ goto next_set;
goto release_refcount;
}
}
/* If we dump all sets, continue with dumping last ones */
- if (cb->args[0] == DUMP_ALL) {
- cb->args[0] = DUMP_LAST;
+ if (dump_type == DUMP_ALL) {
+ dump_type = DUMP_LAST;
+ cb->args[0] = dump_type | (dump_flags << 16);
cb->args[1] = 0;
goto dump_last;
}
@@ -1094,6 +1116,11 @@ dump_last:
nla_put_failure:
ret = -EFAULT;
+next_set:
+ if (dump_type == DUMP_ONE)
+ cb->args[1] = IPSET_INVALID_ID;
+ else
+ cb->args[1]++;
release_refcount:
/* If there was an error or set is done, release set */
if (ret || !cb->args[2]) {
@@ -1120,7 +1147,7 @@ ip_set_dump(struct sock *ctnl, struct sk_buff *skb,
return netlink_dump_start(ctnl, skb, nlh,
ip_set_dump_start,
- ip_set_dump_done);
+ ip_set_dump_done, 0);
}
/* Add, del and test */
@@ -1139,17 +1166,18 @@ call_ad(struct sock *ctnl, struct sk_buff *skb, struct ip_set *set,
struct nlattr *tb[], enum ipset_adt adt,
u32 flags, bool use_lineno)
{
- int ret, retried = 0;
+ int ret;
u32 lineno = 0;
- bool eexist = flags & IPSET_FLAG_EXIST;
+ bool eexist = flags & IPSET_FLAG_EXIST, retried = false;
do {
write_lock_bh(&set->lock);
- ret = set->variant->uadt(set, tb, adt, &lineno, flags);
+ ret = set->variant->uadt(set, tb, adt, &lineno, flags, retried);
write_unlock_bh(&set->lock);
+ retried = true;
} while (ret == -EAGAIN &&
set->variant->resize &&
- (ret = set->variant->resize(set, retried++)) == 0);
+ (ret = set->variant->resize(set, retried)) == 0);
if (!ret || (ret == -IPSET_ERR_EXIST && eexist))
return 0;
@@ -1322,7 +1350,7 @@ ip_set_utest(struct sock *ctnl, struct sk_buff *skb,
return -IPSET_ERR_PROTOCOL;
read_lock_bh(&set->lock);
- ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0);
+ ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0, 0);
read_unlock_bh(&set->lock);
/* Userspace can't trigger element to be re-added */
if (ret == -EAGAIN)
@@ -1365,7 +1393,7 @@ ip_set_header(struct sock *ctnl, struct sk_buff *skb,
NLA_PUT_STRING(skb2, IPSET_ATTR_SETNAME, set->name);
NLA_PUT_STRING(skb2, IPSET_ATTR_TYPENAME, set->type->name);
NLA_PUT_U8(skb2, IPSET_ATTR_FAMILY, set->family);
- NLA_PUT_U8(skb2, IPSET_ATTR_REVISION, set->type->revision);
+ NLA_PUT_U8(skb2, IPSET_ATTR_REVISION, set->revision);
nlmsg_end(skb2, nlh2);
ret = netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c
index 43bcce20012..f2d576e6b76 100644
--- a/net/netfilter/ipset/ip_set_hash_ip.c
+++ b/net/netfilter/ipset/ip_set_hash_ip.c
@@ -53,7 +53,8 @@ struct hash_ip4_telem {
static inline bool
hash_ip4_data_equal(const struct hash_ip4_elem *ip1,
- const struct hash_ip4_elem *ip2)
+ const struct hash_ip4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip;
}
@@ -108,25 +109,32 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ip4_data_next(struct ip_set_hash *h, const struct hash_ip4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+}
+
static int
hash_ip4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
__be32 ip;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &ip);
ip &= ip_set_netmask(h->netmask);
if (ip == 0)
return -EINVAL;
- return adtfn(set, &ip, h->timeout);
+ return adtfn(set, &ip, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -157,7 +165,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
nip = htonl(ip);
if (nip == 0)
return -IPSET_ERR_HASH_ELEM;
- return adtfn(set, &nip, timeout);
+ return adtfn(set, &nip, timeout, flags);
}
if (tb[IPSET_ATTR_IP_TO]) {
@@ -171,18 +179,19 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
if (cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
- ip &= ip_set_hostmask(cidr);
- ip_to = ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(ip, ip_to, cidr);
} else
ip_to = ip;
hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
+ if (retried)
+ ip = h->next.ip;
for (; !before(ip_to, ip); ip += hosts) {
nip = htonl(ip);
if (nip == 0)
return -IPSET_ERR_HASH_ELEM;
- ret = adtfn(set, &nip, timeout);
+ ret = adtfn(set, &nip, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -217,7 +226,8 @@ struct hash_ip6_telem {
static inline bool
hash_ip6_data_equal(const struct hash_ip6_elem *ip1,
- const struct hash_ip6_elem *ip2)
+ const struct hash_ip6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0;
}
@@ -281,20 +291,26 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ip6_data_next(struct ip_set_hash *h, const struct hash_ip6_elem *d)
+{
+}
+
static int
hash_ip6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
union nf_inet_addr ip;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &ip.in6);
ip6_netmask(&ip, h->netmask);
if (ipv6_addr_any(&ip.in6))
return -EINVAL;
- return adtfn(set, &ip, h->timeout);
+ return adtfn(set, &ip, opt_timeout(opt, h), opt->cmdflags);
}
static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
@@ -305,7 +321,7 @@ static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
static int
hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -336,7 +352,7 @@ hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &ip, timeout);
+ ret = adtfn(set, &ip, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -428,7 +444,8 @@ static struct ip_set_type hash_ip_type __read_mostly = {
.features = IPSET_TYPE_IP,
.dimension = IPSET_DIM_ONE,
.family = AF_UNSPEC,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 0,
.create = hash_ip_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 14281b6b807..6ee10f5d59b 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -60,7 +60,8 @@ struct hash_ipport4_telem {
static inline bool
hash_ipport4_data_equal(const struct hash_ipport4_elem *ip1,
- const struct hash_ipport4_elem *ip2)
+ const struct hash_ipport4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip &&
ip1->port == ip2->port &&
@@ -124,31 +125,40 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipport4_data_next(struct ip_set_hash *h,
+ const struct hash_ipport4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_ipport4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipport4_elem data = { };
- if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipport4_elem data = { };
- u32 ip, ip_to, p, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -192,7 +202,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
if (adt == IPSET_TEST ||
!(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
tb[IPSET_ATTR_PORT_TO])) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -208,8 +218,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
if (cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
- ip &= ip_set_hostmask(cidr);
- ip_to = ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(ip, ip_to, cidr);
} else
ip_to = ip;
@@ -220,17 +229,21 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
swap(port, port_to);
}
- for (; !before(ip_to, ip); ip++)
- for (p = port; p <= port_to; p++) {
+ if (retried)
+ ip = h->next.ip;
+ for (; !before(ip_to, ip); ip++) {
+ p = retried && ip == h->next.ip ? h->next.port : port;
+ for (; p <= port_to; p++) {
data.ip = htonl(ip);
data.port = htons(p);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
else
ret = 0;
}
+ }
return ret;
}
@@ -264,7 +277,8 @@ struct hash_ipport6_telem {
static inline bool
hash_ipport6_data_equal(const struct hash_ipport6_elem *ip1,
- const struct hash_ipport6_elem *ip2)
+ const struct hash_ipport6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ip1->port == ip2->port &&
@@ -328,26 +342,34 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipport6_data_next(struct ip_set_hash *h,
+ const struct hash_ipport6_elem *d)
+{
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_ipport6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipport6_elem data = { };
- if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -396,7 +418,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
}
if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -405,9 +427,11 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
if (port > port_to)
swap(port, port_to);
+ if (retried)
+ port = h->next.port;
for (; port <= port_to; port++) {
data.port = htons(port);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -491,7 +515,8 @@ static struct ip_set_type hash_ipport_type __read_mostly = {
.features = IPSET_TYPE_IP | IPSET_TYPE_PORT,
.dimension = IPSET_DIM_TWO,
.family = AF_UNSPEC,
- .revision = 1,
+ .revision_min = 0,
+ .revision_max = 1, /* SCTP and UDPLITE support added */
.create = hash_ipport_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 401c8a2531d..fb90e344e90 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -62,7 +62,8 @@ struct hash_ipportip4_telem {
static inline bool
hash_ipportip4_data_equal(const struct hash_ipportip4_elem *ip1,
- const struct hash_ipportip4_elem *ip2)
+ const struct hash_ipportip4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip &&
ip1->ip2 == ip2->ip2 &&
@@ -127,32 +128,41 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipportip4_data_next(struct ip_set_hash *h,
+ const struct hash_ipportip4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_ipportip4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportip4_elem data = { };
- if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
- ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportip4_elem data = { };
- u32 ip, ip_to, p, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -200,7 +210,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
if (adt == IPSET_TEST ||
!(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
tb[IPSET_ATTR_PORT_TO])) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -216,8 +226,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
if (cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
- ip &= ip_set_hostmask(cidr);
- ip_to = ip | ~ip_set_hostmask(cidr);
+ ip_set_mask_from_to(ip, ip_to, cidr);
} else
ip_to = ip;
@@ -228,17 +237,21 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
swap(port, port_to);
}
- for (; !before(ip_to, ip); ip++)
- for (p = port; p <= port_to; p++) {
+ if (retried)
+ ip = h->next.ip;
+ for (; !before(ip_to, ip); ip++) {
+ p = retried && ip == h->next.ip ? h->next.port : port;
+ for (; p <= port_to; p++) {
data.ip = htonl(ip);
data.port = htons(p);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
else
ret = 0;
}
+ }
return ret;
}
@@ -274,7 +287,8 @@ struct hash_ipportip6_telem {
static inline bool
hash_ipportip6_data_equal(const struct hash_ipportip6_elem *ip1,
- const struct hash_ipportip6_elem *ip2)
+ const struct hash_ipportip6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ipv6_addr_cmp(&ip1->ip2.in6, &ip2->ip2.in6) == 0 &&
@@ -341,27 +355,35 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipportip6_data_next(struct ip_set_hash *h,
+ const struct hash_ipportip6_elem *d)
+{
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_ipportip6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportip6_elem data = { };
- if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
- ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -414,7 +436,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
}
if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -423,9 +445,11 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
if (port > port_to)
swap(port, port_to);
+ if (retried)
+ port = h->next.port;
for (; port <= port_to; port++) {
data.port = htons(port);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -509,7 +533,8 @@ static struct ip_set_type hash_ipportip_type __read_mostly = {
.features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
.dimension = IPSET_DIM_THREE,
.family = AF_UNSPEC,
- .revision = 1,
+ .revision_min = 0,
+ .revision_max = 1, /* SCTP and UDPLITE support added */
.create = hash_ipportip_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 565a7c5b881..deb3e3dfa5f 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -62,7 +62,8 @@ struct hash_ipportnet4_telem {
static inline bool
hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1,
- const struct hash_ipportnet4_elem *ip2)
+ const struct hash_ipportnet4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip &&
ip1->ip2 == ip2->ip2 &&
@@ -140,9 +141,19 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipportnet4_data_next(struct ip_set_hash *h,
+ const struct hash_ipportnet4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+ h->next.port = ntohs(d->port);
+ h->next.ip2 = ntohl(d->ip2);
+}
+
static int
hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -155,25 +166,26 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
- ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2);
data.ip2 &= ip_set_netmask(data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
- u32 ip, ip_to, p, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
+ u32 ip2_from = 0, ip2_to, ip2_last, ip2;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -187,21 +199,19 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
if (ret)
return ret;
- ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP2], &data.ip2);
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
if (ret)
return ret;
- if (tb[IPSET_ATTR_CIDR2])
+ if (tb[IPSET_ATTR_CIDR2]) {
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
-
- if (!data.cidr)
- return -IPSET_ERR_INVALID_CIDR;
-
- data.ip2 &= ip_set_netmask(data.cidr);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ }
if (tb[IPSET_ATTR_PORT])
data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
@@ -226,14 +236,16 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
+ with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
if (adt == IPSET_TEST ||
- !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
- tb[IPSET_ATTR_PORT_TO])) {
- ret = adtfn(set, &data, timeout);
+ !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports ||
+ tb[IPSET_ATTR_IP2_TO])) {
+ data.ip = htonl(ip);
+ data.ip2 = htonl(ip2_from & ip_set_hostmask(data.cidr));
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- ip = ntohl(data.ip);
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -245,29 +257,50 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
if (cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
- ip &= ip_set_hostmask(cidr);
- ip_to = ip | ~ip_set_hostmask(cidr);
- } else
- ip_to = ip;
+ ip_set_mask_from_to(ip, ip_to, cidr);
+ }
port_to = port = ntohs(data.port);
- if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
+ if (tb[IPSET_ATTR_PORT_TO]) {
port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
if (port > port_to)
swap(port, port_to);
}
+ if (tb[IPSET_ATTR_IP2_TO]) {
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
+ if (ret)
+ return ret;
+ if (ip2_from > ip2_to)
+ swap(ip2_from, ip2_to);
+ if (ip2_from + UINT_MAX == ip2_to)
+ return -IPSET_ERR_HASH_RANGE;
+ } else {
+ ip_set_mask_from_to(ip2_from, ip2_to, data.cidr);
+ }
- for (; !before(ip_to, ip); ip++)
- for (p = port; p <= port_to; p++) {
- data.ip = htonl(ip);
+ if (retried)
+ ip = h->next.ip;
+ for (; !before(ip_to, ip); ip++) {
+ data.ip = htonl(ip);
+ p = retried && ip == h->next.ip ? h->next.port : port;
+ for (; p <= port_to; p++) {
data.port = htons(p);
- ret = adtfn(set, &data, timeout);
-
- if (ret && !ip_set_eexist(ret, flags))
- return ret;
- else
- ret = 0;
+ ip2 = retried && ip == h->next.ip && p == h->next.port
+ ? h->next.ip2 : ip2_from;
+ while (!after(ip2, ip2_to)) {
+ data.ip2 = htonl(ip2);
+ ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
+ &data.cidr);
+ ret = adtfn(set, &data, timeout, flags);
+
+ if (ret && !ip_set_eexist(ret, flags))
+ return ret;
+ else
+ ret = 0;
+ ip2 = ip2_last + 1;
+ }
}
+ }
return ret;
}
@@ -303,7 +336,8 @@ struct hash_ipportnet6_telem {
static inline bool
hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1,
- const struct hash_ipportnet6_elem *ip2)
+ const struct hash_ipportnet6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ipv6_addr_cmp(&ip1->ip2.in6, &ip2->ip2.in6) == 0 &&
@@ -389,9 +423,17 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_ipportnet6_data_next(struct ip_set_hash *h,
+ const struct hash_ipportnet6_elem *d)
+{
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -404,20 +446,20 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
- ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
ip6_netmask(&data.ip2, data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -434,6 +476,8 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
tb[IPSET_ATTR_IP_TO] ||
tb[IPSET_ATTR_CIDR]))
return -IPSET_ERR_PROTOCOL;
+ if (unlikely(tb[IPSET_ATTR_IP_TO]))
+ return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -478,7 +522,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
}
if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -487,9 +531,11 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
if (port > port_to)
swap(port, port_to);
+ if (retried)
+ port = h->next.port;
for (; port <= port_to; port++) {
data.port = htons(port);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -576,7 +622,9 @@ static struct ip_set_type hash_ipportnet_type __read_mostly = {
.features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
.dimension = IPSET_DIM_THREE,
.family = AF_UNSPEC,
- .revision = 1,
+ .revision_min = 0,
+ /* 1 SCTP and UDPLITE support added */
+ .revision_max = 2, /* Range as input support for IPv4 added */
.create = hash_ipportnet_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
@@ -589,6 +637,7 @@ static struct ip_set_type hash_ipportnet_type __read_mostly = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_IP2] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index 2aeeabcd5a2..60d016541c5 100644
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -58,7 +58,8 @@ struct hash_net4_telem {
static inline bool
hash_net4_data_equal(const struct hash_net4_elem *ip1,
- const struct hash_net4_elem *ip2)
+ const struct hash_net4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip && ip1->cidr == ip2->cidr;
}
@@ -125,9 +126,17 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_net4_data_next(struct ip_set_hash *h,
+ const struct hash_net4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+}
+
static int
hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -140,20 +149,21 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
data.ip &= ip_set_netmask(data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_net4_elem data = { .cidr = HOST_MASK };
u32 timeout = h->timeout;
+ u32 ip = 0, ip_to, last;
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -163,17 +173,15 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
if (ret)
return ret;
- if (tb[IPSET_ATTR_CIDR])
+ if (tb[IPSET_ATTR_CIDR]) {
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-
- if (!data.cidr)
- return -IPSET_ERR_INVALID_CIDR;
-
- data.ip &= ip_set_netmask(data.cidr);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ }
if (tb[IPSET_ATTR_TIMEOUT]) {
if (!with_timeout(h->timeout))
@@ -181,9 +189,35 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, timeout);
+ if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
+ data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+ ret = adtfn(set, &data, timeout, flags);
+ return ip_set_eexist(ret, flags) ? 0 : ret;
+ }
- return ip_set_eexist(ret, flags) ? 0 : ret;
+ ip_to = ip;
+ if (tb[IPSET_ATTR_IP_TO]) {
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+ if (ret)
+ return ret;
+ if (ip_to < ip)
+ swap(ip, ip_to);
+ if (ip + UINT_MAX == ip_to)
+ return -IPSET_ERR_HASH_RANGE;
+ }
+ if (retried)
+ ip = h->next.ip;
+ while (!after(ip, ip_to)) {
+ data.ip = htonl(ip);
+ last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+ ret = adtfn(set, &data, timeout, flags);
+ if (ret && !ip_set_eexist(ret, flags))
+ return ret;
+ else
+ ret = 0;
+ ip = last + 1;
+ }
+ return ret;
}
static bool
@@ -216,7 +250,8 @@ struct hash_net6_telem {
static inline bool
hash_net6_data_equal(const struct hash_net6_elem *ip1,
- const struct hash_net6_elem *ip2)
+ const struct hash_net6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ip1->cidr == ip2->cidr;
@@ -292,9 +327,16 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_net6_data_next(struct ip_set_hash *h,
+ const struct hash_net6_elem *d)
+{
+}
+
static int
hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -307,15 +349,15 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
ip6_netmask(&data.ip, data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -326,6 +368,8 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
return -IPSET_ERR_PROTOCOL;
+ if (unlikely(tb[IPSET_ATTR_IP_TO]))
+ return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -348,7 +392,7 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -429,7 +473,8 @@ static struct ip_set_type hash_net_type __read_mostly = {
.features = IPSET_TYPE_IP,
.dimension = IPSET_DIM_ONE,
.family = AF_UNSPEC,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 1, /* Range as input support for IPv4 added */
.create = hash_net_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
@@ -440,6 +485,7 @@ static struct ip_set_type hash_net_type __read_mostly = {
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
},
diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c
new file mode 100644
index 00000000000..e13095deb50
--- /dev/null
+++ b/net/netfilter/ipset/ip_set_hash_netiface.c
@@ -0,0 +1,786 @@
+/* Copyright (C) 2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Kernel module implementing an IP set type: the hash:net,iface type */
+
+#include <linux/jhash.h>
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/random.h>
+#include <linux/rbtree.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <net/netlink.h>
+
+#include <linux/netfilter.h>
+#include <linux/netfilter/ipset/pfxlen.h>
+#include <linux/netfilter/ipset/ip_set.h>
+#include <linux/netfilter/ipset/ip_set_timeout.h>
+#include <linux/netfilter/ipset/ip_set_hash.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
+MODULE_DESCRIPTION("hash:net,iface type of IP sets");
+MODULE_ALIAS("ip_set_hash:net,iface");
+
+/* Interface name rbtree */
+
+struct iface_node {
+ struct rb_node node;
+ char iface[IFNAMSIZ];
+};
+
+#define iface_data(n) (rb_entry(n, struct iface_node, node)->iface)
+
+static inline long
+ifname_compare(const char *_a, const char *_b)
+{
+ const long *a = (const long *)_a;
+ const long *b = (const long *)_b;
+
+ BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+ if (a[0] != b[0])
+ return a[0] - b[0];
+ if (IFNAMSIZ > sizeof(long)) {
+ if (a[1] != b[1])
+ return a[1] - b[1];
+ }
+ if (IFNAMSIZ > 2 * sizeof(long)) {
+ if (a[2] != b[2])
+ return a[2] - b[2];
+ }
+ if (IFNAMSIZ > 3 * sizeof(long)) {
+ if (a[3] != b[3])
+ return a[3] - b[3];
+ }
+ return 0;
+}
+
+static void
+rbtree_destroy(struct rb_root *root)
+{
+ struct rb_node *p, *n = root->rb_node;
+ struct iface_node *node;
+
+ /* Non-recursive destroy, like in ext3 */
+ while (n) {
+ if (n->rb_left) {
+ n = n->rb_left;
+ continue;
+ }
+ if (n->rb_right) {
+ n = n->rb_right;
+ continue;
+ }
+ p = rb_parent(n);
+ node = rb_entry(n, struct iface_node, node);
+ if (!p)
+ *root = RB_ROOT;
+ else if (p->rb_left == n)
+ p->rb_left = NULL;
+ else if (p->rb_right == n)
+ p->rb_right = NULL;
+
+ kfree(node);
+ n = p;
+ }
+}
+
+static int
+iface_test(struct rb_root *root, const char **iface)
+{
+ struct rb_node *n = root->rb_node;
+
+ while (n) {
+ const char *d = iface_data(n);
+ long res = ifname_compare(*iface, d);
+
+ if (res < 0)
+ n = n->rb_left;
+ else if (res > 0)
+ n = n->rb_right;
+ else {
+ *iface = d;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int
+iface_add(struct rb_root *root, const char **iface)
+{
+ struct rb_node **n = &(root->rb_node), *p = NULL;
+ struct iface_node *d;
+
+ while (*n) {
+ char *ifname = iface_data(*n);
+ long res = ifname_compare(*iface, ifname);
+
+ p = *n;
+ if (res < 0)
+ n = &((*n)->rb_left);
+ else if (res > 0)
+ n = &((*n)->rb_right);
+ else {
+ *iface = ifname;
+ return 0;
+ }
+ }
+
+ d = kzalloc(sizeof(*d), GFP_ATOMIC);
+ if (!d)
+ return -ENOMEM;
+ strcpy(d->iface, *iface);
+
+ rb_link_node(&d->node, p, n);
+ rb_insert_color(&d->node, root);
+
+ *iface = d->iface;
+ return 0;
+}
+
+/* Type specific function prefix */
+#define TYPE hash_netiface
+
+static bool
+hash_netiface_same_set(const struct ip_set *a, const struct ip_set *b);
+
+#define hash_netiface4_same_set hash_netiface_same_set
+#define hash_netiface6_same_set hash_netiface_same_set
+
+#define STREQ(a, b) (strcmp(a, b) == 0)
+
+/* The type variant functions: IPv4 */
+
+struct hash_netiface4_elem_hashed {
+ __be32 ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+};
+
+#define HKEY_DATALEN sizeof(struct hash_netiface4_elem_hashed)
+
+/* Member elements without timeout */
+struct hash_netiface4_elem {
+ __be32 ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+ const char *iface;
+};
+
+/* Member elements with timeout support */
+struct hash_netiface4_telem {
+ __be32 ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+ const char *iface;
+ unsigned long timeout;
+};
+
+static inline bool
+hash_netiface4_data_equal(const struct hash_netiface4_elem *ip1,
+ const struct hash_netiface4_elem *ip2,
+ u32 *multi)
+{
+ return ip1->ip == ip2->ip &&
+ ip1->cidr == ip2->cidr &&
+ (++*multi) &&
+ ip1->physdev == ip2->physdev &&
+ ip1->iface == ip2->iface;
+}
+
+static inline bool
+hash_netiface4_data_isnull(const struct hash_netiface4_elem *elem)
+{
+ return elem->cidr == 0;
+}
+
+static inline void
+hash_netiface4_data_copy(struct hash_netiface4_elem *dst,
+ const struct hash_netiface4_elem *src) {
+ dst->ip = src->ip;
+ dst->cidr = src->cidr;
+ dst->physdev = src->physdev;
+ dst->iface = src->iface;
+}
+
+static inline void
+hash_netiface4_data_netmask(struct hash_netiface4_elem *elem, u8 cidr)
+{
+ elem->ip &= ip_set_netmask(cidr);
+ elem->cidr = cidr;
+}
+
+static inline void
+hash_netiface4_data_zero_out(struct hash_netiface4_elem *elem)
+{
+ elem->cidr = 0;
+}
+
+static bool
+hash_netiface4_data_list(struct sk_buff *skb,
+ const struct hash_netiface4_elem *data)
+{
+ u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
+ NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+ return 0;
+
+nla_put_failure:
+ return 1;
+}
+
+static bool
+hash_netiface4_data_tlist(struct sk_buff *skb,
+ const struct hash_netiface4_elem *data)
+{
+ const struct hash_netiface4_telem *tdata =
+ (const struct hash_netiface4_telem *)data;
+ u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
+ NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+ NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
+ htonl(ip_set_timeout_get(tdata->timeout)));
+
+ return 0;
+
+nla_put_failure:
+ return 1;
+}
+
+#define IP_SET_HASH_WITH_NETS
+#define IP_SET_HASH_WITH_RBTREE
+#define IP_SET_HASH_WITH_MULTI
+
+#define PF 4
+#define HOST_MASK 32
+#include <linux/netfilter/ipset/ip_set_ahash.h>
+
+static inline void
+hash_netiface4_data_next(struct ip_set_hash *h,
+ const struct hash_netiface4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+}
+
+static int
+hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb,
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
+{
+ struct ip_set_hash *h = set->data;
+ ipset_adtfn adtfn = set->variant->adt[adt];
+ struct hash_netiface4_elem data = {
+ .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+ };
+ int ret;
+
+ if (data.cidr == 0)
+ return -EINVAL;
+ if (adt == IPSET_TEST)
+ data.cidr = HOST_MASK;
+
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+ data.ip &= ip_set_netmask(data.cidr);
+
+#define IFACE(dir) (par->dir ? par->dir->name : NULL)
+#define PHYSDEV(dir) (nf_bridge->dir ? nf_bridge->dir->name : NULL)
+#define SRCDIR (opt->flags & IPSET_DIM_TWO_SRC)
+
+ if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
+#ifdef CONFIG_BRIDGE_NETFILTER
+ const struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+
+ if (!nf_bridge)
+ return -EINVAL;
+ data.iface = SRCDIR ? PHYSDEV(physindev) : PHYSDEV(physoutdev);
+ data.physdev = 1;
+#else
+ data.iface = NULL;
+#endif
+ } else
+ data.iface = SRCDIR ? IFACE(in) : IFACE(out);
+
+ if (!data.iface)
+ return -EINVAL;
+ ret = iface_test(&h->rbtree, &data.iface);
+ if (adt == IPSET_ADD) {
+ if (!ret) {
+ ret = iface_add(&h->rbtree, &data.iface);
+ if (ret)
+ return ret;
+ }
+ } else if (!ret)
+ return ret;
+
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
+}
+
+static int
+hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[],
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
+{
+ struct ip_set_hash *h = set->data;
+ ipset_adtfn adtfn = set->variant->adt[adt];
+ struct hash_netiface4_elem data = { .cidr = HOST_MASK };
+ u32 ip = 0, ip_to, last;
+ u32 timeout = h->timeout;
+ char iface[IFNAMSIZ] = {};
+ int ret;
+
+ if (unlikely(!tb[IPSET_ATTR_IP] ||
+ !tb[IPSET_ATTR_IFACE] ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
+ return -IPSET_ERR_PROTOCOL;
+
+ if (tb[IPSET_ATTR_LINENO])
+ *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
+
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
+ if (ret)
+ return ret;
+
+ if (tb[IPSET_ATTR_CIDR]) {
+ data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ }
+
+ if (tb[IPSET_ATTR_TIMEOUT]) {
+ if (!with_timeout(h->timeout))
+ return -IPSET_ERR_TIMEOUT;
+ timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+ }
+
+ strcpy(iface, nla_data(tb[IPSET_ATTR_IFACE]));
+ data.iface = iface;
+ ret = iface_test(&h->rbtree, &data.iface);
+ if (adt == IPSET_ADD) {
+ if (!ret) {
+ ret = iface_add(&h->rbtree, &data.iface);
+ if (ret)
+ return ret;
+ }
+ } else if (!ret)
+ return ret;
+
+ if (tb[IPSET_ATTR_CADT_FLAGS]) {
+ u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+ if (cadt_flags & IPSET_FLAG_PHYSDEV)
+ data.physdev = 1;
+ }
+
+ if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
+ data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+ ret = adtfn(set, &data, timeout, flags);
+ return ip_set_eexist(ret, flags) ? 0 : ret;
+ }
+
+ if (tb[IPSET_ATTR_IP_TO]) {
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+ if (ret)
+ return ret;
+ if (ip_to < ip)
+ swap(ip, ip_to);
+ if (ip + UINT_MAX == ip_to)
+ return -IPSET_ERR_HASH_RANGE;
+ } else {
+ ip_set_mask_from_to(ip, ip_to, data.cidr);
+ }
+
+ if (retried)
+ ip = h->next.ip;
+ while (!after(ip, ip_to)) {
+ data.ip = htonl(ip);
+ last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+ ret = adtfn(set, &data, timeout, flags);
+
+ if (ret && !ip_set_eexist(ret, flags))
+ return ret;
+ else
+ ret = 0;
+ ip = last + 1;
+ }
+ return ret;
+}
+
+static bool
+hash_netiface_same_set(const struct ip_set *a, const struct ip_set *b)
+{
+ const struct ip_set_hash *x = a->data;
+ const struct ip_set_hash *y = b->data;
+
+ /* Resizing changes htable_bits, so we ignore it */
+ return x->maxelem == y->maxelem &&
+ x->timeout == y->timeout;
+}
+
+/* The type variant functions: IPv6 */
+
+struct hash_netiface6_elem_hashed {
+ union nf_inet_addr ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+};
+
+#define HKEY_DATALEN sizeof(struct hash_netiface6_elem_hashed)
+
+struct hash_netiface6_elem {
+ union nf_inet_addr ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+ const char *iface;
+};
+
+struct hash_netiface6_telem {
+ union nf_inet_addr ip;
+ u8 physdev;
+ u8 cidr;
+ u16 padding;
+ const char *iface;
+ unsigned long timeout;
+};
+
+static inline bool
+hash_netiface6_data_equal(const struct hash_netiface6_elem *ip1,
+ const struct hash_netiface6_elem *ip2,
+ u32 *multi)
+{
+ return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
+ ip1->cidr == ip2->cidr &&
+ (++*multi) &&
+ ip1->physdev == ip2->physdev &&
+ ip1->iface == ip2->iface;
+}
+
+static inline bool
+hash_netiface6_data_isnull(const struct hash_netiface6_elem *elem)
+{
+ return elem->cidr == 0;
+}
+
+static inline void
+hash_netiface6_data_copy(struct hash_netiface6_elem *dst,
+ const struct hash_netiface6_elem *src)
+{
+ memcpy(dst, src, sizeof(*dst));
+}
+
+static inline void
+hash_netiface6_data_zero_out(struct hash_netiface6_elem *elem)
+{
+}
+
+static inline void
+ip6_netmask(union nf_inet_addr *ip, u8 prefix)
+{
+ ip->ip6[0] &= ip_set_netmask6(prefix)[0];
+ ip->ip6[1] &= ip_set_netmask6(prefix)[1];
+ ip->ip6[2] &= ip_set_netmask6(prefix)[2];
+ ip->ip6[3] &= ip_set_netmask6(prefix)[3];
+}
+
+static inline void
+hash_netiface6_data_netmask(struct hash_netiface6_elem *elem, u8 cidr)
+{
+ ip6_netmask(&elem->ip, cidr);
+ elem->cidr = cidr;
+}
+
+static bool
+hash_netiface6_data_list(struct sk_buff *skb,
+ const struct hash_netiface6_elem *data)
+{
+ u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
+ NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+ return 0;
+
+nla_put_failure:
+ return 1;
+}
+
+static bool
+hash_netiface6_data_tlist(struct sk_buff *skb,
+ const struct hash_netiface6_elem *data)
+{
+ const struct hash_netiface6_telem *e =
+ (const struct hash_netiface6_telem *)data;
+ u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
+ NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+ NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
+ htonl(ip_set_timeout_get(e->timeout)));
+ return 0;
+
+nla_put_failure:
+ return 1;
+}
+
+#undef PF
+#undef HOST_MASK
+
+#define PF 6
+#define HOST_MASK 128
+#include <linux/netfilter/ipset/ip_set_ahash.h>
+
+static inline void
+hash_netiface6_data_next(struct ip_set_hash *h,
+ const struct hash_netiface6_elem *d)
+{
+}
+
+static int
+hash_netiface6_kadt(struct ip_set *set, const struct sk_buff *skb,
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
+{
+ struct ip_set_hash *h = set->data;
+ ipset_adtfn adtfn = set->variant->adt[adt];
+ struct hash_netiface6_elem data = {
+ .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+ };
+ int ret;
+
+ if (data.cidr == 0)
+ return -EINVAL;
+ if (adt == IPSET_TEST)
+ data.cidr = HOST_MASK;
+
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6_netmask(&data.ip, data.cidr);
+
+ if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
+#ifdef CONFIG_BRIDGE_NETFILTER
+ const struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+
+ if (!nf_bridge)
+ return -EINVAL;
+ data.iface = SRCDIR ? PHYSDEV(physindev) : PHYSDEV(physoutdev);
+ data.physdev = 1;
+#else
+ data.iface = NULL;
+#endif
+ } else
+ data.iface = SRCDIR ? IFACE(in) : IFACE(out);
+
+ if (!data.iface)
+ return -EINVAL;
+ ret = iface_test(&h->rbtree, &data.iface);
+ if (adt == IPSET_ADD) {
+ if (!ret) {
+ ret = iface_add(&h->rbtree, &data.iface);
+ if (ret)
+ return ret;
+ }
+ } else if (!ret)
+ return ret;
+
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
+}
+
+static int
+hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[],
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
+{
+ struct ip_set_hash *h = set->data;
+ ipset_adtfn adtfn = set->variant->adt[adt];
+ struct hash_netiface6_elem data = { .cidr = HOST_MASK };
+ u32 timeout = h->timeout;
+ char iface[IFNAMSIZ] = {};
+ int ret;
+
+ if (unlikely(!tb[IPSET_ATTR_IP] ||
+ !tb[IPSET_ATTR_IFACE] ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
+ return -IPSET_ERR_PROTOCOL;
+ if (unlikely(tb[IPSET_ATTR_IP_TO]))
+ return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
+
+ if (tb[IPSET_ATTR_LINENO])
+ *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
+
+ ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &data.ip);
+ if (ret)
+ return ret;
+
+ if (tb[IPSET_ATTR_CIDR])
+ data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ ip6_netmask(&data.ip, data.cidr);
+
+ if (tb[IPSET_ATTR_TIMEOUT]) {
+ if (!with_timeout(h->timeout))
+ return -IPSET_ERR_TIMEOUT;
+ timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+ }
+
+ strcpy(iface, nla_data(tb[IPSET_ATTR_IFACE]));
+ data.iface = iface;
+ ret = iface_test(&h->rbtree, &data.iface);
+ if (adt == IPSET_ADD) {
+ if (!ret) {
+ ret = iface_add(&h->rbtree, &data.iface);
+ if (ret)
+ return ret;
+ }
+ } else if (!ret)
+ return ret;
+
+ if (tb[IPSET_ATTR_CADT_FLAGS]) {
+ u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+ if (cadt_flags & IPSET_FLAG_PHYSDEV)
+ data.physdev = 1;
+ }
+
+ ret = adtfn(set, &data, timeout, flags);
+
+ return ip_set_eexist(ret, flags) ? 0 : ret;
+}
+
+/* Create hash:ip type of sets */
+
+static int
+hash_netiface_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
+{
+ struct ip_set_hash *h;
+ u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
+ u8 hbits;
+
+ if (!(set->family == AF_INET || set->family == AF_INET6))
+ return -IPSET_ERR_INVALID_FAMILY;
+
+ if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
+ return -IPSET_ERR_PROTOCOL;
+
+ if (tb[IPSET_ATTR_HASHSIZE]) {
+ hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
+ if (hashsize < IPSET_MIMINAL_HASHSIZE)
+ hashsize = IPSET_MIMINAL_HASHSIZE;
+ }
+
+ if (tb[IPSET_ATTR_MAXELEM])
+ maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
+
+ h = kzalloc(sizeof(*h)
+ + sizeof(struct ip_set_hash_nets)
+ * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
+ if (!h)
+ return -ENOMEM;
+
+ h->maxelem = maxelem;
+ get_random_bytes(&h->initval, sizeof(h->initval));
+ h->timeout = IPSET_NO_TIMEOUT;
+ h->ahash_max = AHASH_MAX_SIZE;
+
+ hbits = htable_bits(hashsize);
+ h->table = ip_set_alloc(
+ sizeof(struct htable)
+ + jhash_size(hbits) * sizeof(struct hbucket));
+ if (!h->table) {
+ kfree(h);
+ return -ENOMEM;
+ }
+ h->table->htable_bits = hbits;
+ h->rbtree = RB_ROOT;
+
+ set->data = h;
+
+ if (tb[IPSET_ATTR_TIMEOUT]) {
+ h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+
+ set->variant = set->family == AF_INET
+ ? &hash_netiface4_tvariant : &hash_netiface6_tvariant;
+
+ if (set->family == AF_INET)
+ hash_netiface4_gc_init(set);
+ else
+ hash_netiface6_gc_init(set);
+ } else {
+ set->variant = set->family == AF_INET
+ ? &hash_netiface4_variant : &hash_netiface6_variant;
+ }
+
+ pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
+ set->name, jhash_size(h->table->htable_bits),
+ h->table->htable_bits, h->maxelem, set->data, h->table);
+
+ return 0;
+}
+
+static struct ip_set_type hash_netiface_type __read_mostly = {
+ .name = "hash:net,iface",
+ .protocol = IPSET_PROTOCOL,
+ .features = IPSET_TYPE_IP | IPSET_TYPE_IFACE,
+ .dimension = IPSET_DIM_TWO,
+ .family = AF_UNSPEC,
+ .revision_min = 0,
+ .create = hash_netiface_create,
+ .create_policy = {
+ [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
+ [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
+ [IPSET_ATTR_PROBES] = { .type = NLA_U8 },
+ [IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
+ [IPSET_ATTR_PROTO] = { .type = NLA_U8 },
+ [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
+ },
+ .adt_policy = {
+ [IPSET_ATTR_IP] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IFACE] = { .type = NLA_NUL_STRING,
+ .len = IPSET_MAXNAMELEN - 1 },
+ [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
+ [IPSET_ATTR_CIDR] = { .type = NLA_U8 },
+ [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
+ [IPSET_ATTR_LINENO] = { .type = NLA_U32 },
+ },
+ .me = THIS_MODULE,
+};
+
+static int __init
+hash_netiface_init(void)
+{
+ return ip_set_type_register(&hash_netiface_type);
+}
+
+static void __exit
+hash_netiface_fini(void)
+{
+ ip_set_type_unregister(&hash_netiface_type);
+}
+
+module_init(hash_netiface_init);
+module_exit(hash_netiface_fini);
diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index e50d9bb8820..8f9de7207ec 100644
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -59,7 +59,8 @@ struct hash_netport4_telem {
static inline bool
hash_netport4_data_equal(const struct hash_netport4_elem *ip1,
- const struct hash_netport4_elem *ip2)
+ const struct hash_netport4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip &&
ip1->port == ip2->port &&
@@ -137,9 +138,18 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_netport4_data_next(struct ip_set_hash *h,
+ const struct hash_netport4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -152,24 +162,24 @@ hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
data.ip &= ip_set_netmask(data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_netport4_elem data = { .cidr = HOST_MASK };
- u32 port, port_to;
+ u32 port, port_to, p = 0, ip = 0, ip_to, last;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -183,15 +193,15 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
if (ret)
return ret;
- if (tb[IPSET_ATTR_CIDR])
+ if (tb[IPSET_ATTR_CIDR]) {
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
- if (!data.cidr)
- return -IPSET_ERR_INVALID_CIDR;
- data.ip &= ip_set_netmask(data.cidr);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ }
if (tb[IPSET_ATTR_PORT])
data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
@@ -216,24 +226,47 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
- ret = adtfn(set, &data, timeout);
+ with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
+ if (adt == IPSET_TEST || !(with_ports || tb[IPSET_ATTR_IP_TO])) {
+ data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- port = ntohs(data.port);
- port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
- if (port > port_to)
- swap(port, port_to);
-
- for (; port <= port_to; port++) {
- data.port = htons(port);
- ret = adtfn(set, &data, timeout);
-
- if (ret && !ip_set_eexist(ret, flags))
+ port = port_to = ntohs(data.port);
+ if (tb[IPSET_ATTR_PORT_TO]) {
+ port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
+ if (port_to < port)
+ swap(port, port_to);
+ }
+ if (tb[IPSET_ATTR_IP_TO]) {
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+ if (ret)
return ret;
- else
- ret = 0;
+ if (ip_to < ip)
+ swap(ip, ip_to);
+ if (ip + UINT_MAX == ip_to)
+ return -IPSET_ERR_HASH_RANGE;
+ } else {
+ ip_set_mask_from_to(ip, ip_to, data.cidr);
+ }
+
+ if (retried)
+ ip = h->next.ip;
+ while (!after(ip, ip_to)) {
+ data.ip = htonl(ip);
+ last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+ p = retried && ip == h->next.ip ? h->next.port : port;
+ for (; p <= port_to; p++) {
+ data.port = htons(p);
+ ret = adtfn(set, &data, timeout, flags);
+
+ if (ret && !ip_set_eexist(ret, flags))
+ return ret;
+ else
+ ret = 0;
+ }
+ ip = last + 1;
}
return ret;
}
@@ -268,7 +301,8 @@ struct hash_netport6_telem {
static inline bool
hash_netport6_data_equal(const struct hash_netport6_elem *ip1,
- const struct hash_netport6_elem *ip2)
+ const struct hash_netport6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ip1->port == ip2->port &&
@@ -351,9 +385,17 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_netport6_data_next(struct ip_set_hash *h,
+ const struct hash_netport6_elem *d)
+{
+ h->next.port = ntohs(d->port);
+}
+
static int
hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -366,19 +408,19 @@ hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+ if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
&data.port, &data.proto))
return -EINVAL;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
ip6_netmask(&data.ip, data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -393,6 +435,8 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
return -IPSET_ERR_PROTOCOL;
+ if (unlikely(tb[IPSET_ATTR_IP_TO]))
+ return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -431,7 +475,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
}
if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -440,9 +484,11 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
if (port > port_to)
swap(port, port_to);
+ if (retried)
+ port = h->next.port;
for (; port <= port_to; port++) {
data.port = htons(port);
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
if (ret && !ip_set_eexist(ret, flags))
return ret;
@@ -528,7 +574,9 @@ static struct ip_set_type hash_netport_type __read_mostly = {
.features = IPSET_TYPE_IP | IPSET_TYPE_PORT,
.dimension = IPSET_DIM_TWO,
.family = AF_UNSPEC,
- .revision = 1,
+ .revision_min = 0,
+ /* 1 SCTP and UDPLITE support added */
+ .revision_max = 2, /* Range as input support for IPv4 added */
.create = hash_netport_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
@@ -540,6 +588,7 @@ static struct ip_set_type hash_netport_type __read_mostly = {
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index e9159e99fc4..4d10819d462 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -72,7 +72,8 @@ list_set_expired(const struct list_set *map, u32 id)
static int
list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
struct list_set *map = set->data;
struct set_elem *elem;
@@ -87,17 +88,17 @@ list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
continue;
switch (adt) {
case IPSET_TEST:
- ret = ip_set_test(elem->id, skb, pf, dim, flags);
+ ret = ip_set_test(elem->id, skb, par, opt);
if (ret > 0)
return ret;
break;
case IPSET_ADD:
- ret = ip_set_add(elem->id, skb, pf, dim, flags);
+ ret = ip_set_add(elem->id, skb, par, opt);
if (ret == 0)
return ret;
break;
case IPSET_DEL:
- ret = ip_set_del(elem->id, skb, pf, dim, flags);
+ ret = ip_set_del(elem->id, skb, par, opt);
if (ret == 0)
return ret;
break;
@@ -109,15 +110,28 @@ list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
}
static bool
-next_id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
+id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
{
const struct set_elem *elem;
- if (i + 1 < map->size) {
- elem = list_set_elem(map, i + 1);
+ if (i < map->size) {
+ elem = list_set_elem(map, i);
+ return elem->id == id;
+ }
+
+ return 0;
+}
+
+static bool
+id_eq_timeout(const struct list_set *map, u32 i, ip_set_id_t id)
+{
+ const struct set_elem *elem;
+
+ if (i < map->size) {
+ elem = list_set_elem(map, i);
return !!(elem->id == id &&
!(with_timeout(map->timeout) &&
- list_set_expired(map, i + 1)));
+ list_set_expired(map, i)));
}
return 0;
@@ -190,12 +204,26 @@ list_set_del(struct list_set *map, u32 i)
return 0;
}
+static void
+cleanup_entries(struct list_set *map)
+{
+ struct set_telem *e;
+ u32 i;
+
+ for (i = 0; i < map->size; i++) {
+ e = list_set_telem(map, i);
+ if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
+ list_set_del(map, i);
+ }
+}
+
static int
list_set_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
struct list_set *map = set->data;
bool with_timeout = with_timeout(map->timeout);
+ bool flag_exist = flags & IPSET_FLAG_EXIST;
int before = 0;
u32 timeout = map->timeout;
ip_set_id_t id, refid = IPSET_INVALID_ID;
@@ -248,6 +276,8 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
}
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
+ if (with_timeout && adt != IPSET_TEST)
+ cleanup_entries(map);
switch (adt) {
case IPSET_TEST:
@@ -259,22 +289,37 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
else if (with_timeout && list_set_expired(map, i))
continue;
else if (before > 0 && elem->id == id)
- ret = next_id_eq(map, i, refid);
+ ret = id_eq_timeout(map, i + 1, refid);
else if (before < 0 && elem->id == refid)
- ret = next_id_eq(map, i, id);
+ ret = id_eq_timeout(map, i + 1, id);
else if (before == 0 && elem->id == id)
ret = 1;
}
break;
case IPSET_ADD:
- for (i = 0; i < map->size && !ret; i++) {
+ for (i = 0; i < map->size; i++) {
elem = list_set_elem(map, i);
- if (elem->id == id &&
- !(with_timeout && list_set_expired(map, i)))
+ if (elem->id != id)
+ continue;
+ if (!(with_timeout && flag_exist)) {
ret = -IPSET_ERR_EXIST;
+ goto finish;
+ } else {
+ struct set_telem *e = list_set_telem(map, i);
+
+ if ((before > 1 &&
+ !id_eq(map, i + 1, refid)) ||
+ (before < 0 &&
+ (i == 0 || !id_eq(map, i - 1, refid)))) {
+ ret = -IPSET_ERR_EXIST;
+ goto finish;
+ }
+ e->timeout = ip_set_timeout_set(timeout);
+ ip_set_put_byindex(id);
+ ret = 0;
+ goto finish;
+ }
}
- if (ret == -IPSET_ERR_EXIST)
- break;
ret = -IPSET_ERR_LIST_FULL;
for (i = 0; i < map->size && ret == -IPSET_ERR_LIST_FULL; i++) {
elem = list_set_elem(map, i);
@@ -283,9 +328,7 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
: list_set_add(map, i, id, timeout);
else if (elem->id != refid)
continue;
- else if (with_timeout && list_set_expired(map, i))
- ret = -IPSET_ERR_REF_EXIST;
- else if (before)
+ else if (before > 0)
ret = list_set_add(map, i, id, timeout);
else if (i + 1 < map->size)
ret = list_set_add(map, i + 1, id, timeout);
@@ -299,16 +342,12 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
ret = before != 0 ? -IPSET_ERR_REF_EXIST
: -IPSET_ERR_EXIST;
break;
- } else if (with_timeout && list_set_expired(map, i))
- continue;
- else if (elem->id == id &&
- (before == 0 ||
- (before > 0 &&
- next_id_eq(map, i, refid))))
+ } else if (elem->id == id &&
+ (before == 0 ||
+ (before > 0 && id_eq(map, i + 1, refid))))
ret = list_set_del(map, i);
- else if (before < 0 &&
- elem->id == refid &&
- next_id_eq(map, i, id))
+ else if (elem->id == refid &&
+ before < 0 && id_eq(map, i + 1, id))
ret = list_set_del(map, i + 1);
}
break;
@@ -454,15 +493,9 @@ list_set_gc(unsigned long ul_set)
{
struct ip_set *set = (struct ip_set *) ul_set;
struct list_set *map = set->data;
- struct set_telem *e;
- u32 i;
write_lock_bh(&set->lock);
- for (i = 0; i < map->size; i++) {
- e = list_set_telem(map, i);
- if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
- list_set_del(map, i);
- }
+ cleanup_entries(map);
write_unlock_bh(&set->lock);
map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
@@ -543,7 +576,8 @@ static struct ip_set_type list_set_type __read_mostly = {
.features = IPSET_TYPE_NAME | IPSET_DUMP_LAST,
.dimension = IPSET_DIM_ONE,
.family = AF_UNSPEC,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 0,
.create = list_set_create,
.create_policy = {
[IPSET_ATTR_SIZE] = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/pfxlen.c b/net/netfilter/ipset/pfxlen.c
index 23f8c816221..bd13d66220f 100644
--- a/net/netfilter/ipset/pfxlen.c
+++ b/net/netfilter/ipset/pfxlen.c
@@ -148,7 +148,7 @@ const union nf_inet_addr ip_set_netmask_map[] = {
EXPORT_SYMBOL_GPL(ip_set_netmask_map);
#undef E
-#define E(a, b, c, d) \
+#define E(a, b, c, d) \
{.ip6 = { (__force __be32) a, (__force __be32) b, \
(__force __be32) c, (__force __be32) d, \
} }
@@ -289,3 +289,24 @@ const union nf_inet_addr ip_set_hostmask_map[] = {
E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
};
EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
+
+/* Find the largest network which matches the range from left, in host order. */
+u32
+ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
+{
+ u32 last;
+ u8 i;
+
+ for (i = 1; i < 32; i++) {
+ if ((from & ip_set_hostmask(i)) != from)
+ continue;
+ last = from | ~ip_set_hostmask(i);
+ if (!after(last, to)) {
+ *cidr = i;
+ return last;
+ }
+ }
+ *cidr = 32;
+ return from;
+}
+EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 059af3120be..fe6cb4304d7 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -576,7 +576,7 @@ static const struct file_operations ip_vs_app_fops = {
};
#endif
-int __net_init __ip_vs_app_init(struct net *net)
+int __net_init ip_vs_app_net_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -585,17 +585,7 @@ int __net_init __ip_vs_app_init(struct net *net)
return 0;
}
-void __net_exit __ip_vs_app_cleanup(struct net *net)
+void __net_exit ip_vs_app_net_cleanup(struct net *net)
{
proc_net_remove(net, "ip_vs_app");
}
-
-int __init ip_vs_app_init(void)
-{
- return 0;
-}
-
-
-void ip_vs_app_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 782db275ac5..12571fb2881 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1255,7 +1255,7 @@ flush_again:
/*
* per netns init and exit
*/
-int __net_init __ip_vs_conn_init(struct net *net)
+int __net_init ip_vs_conn_net_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -1266,7 +1266,7 @@ int __net_init __ip_vs_conn_init(struct net *net)
return 0;
}
-void __net_exit __ip_vs_conn_cleanup(struct net *net)
+void __net_exit ip_vs_conn_net_cleanup(struct net *net)
{
/* flush all the connection entries first */
ip_vs_conn_flush(net);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 24c28d238dc..4f77bb16d22 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -852,7 +852,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
*related = 1;
/* reassemble IP fragments */
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
}
@@ -1156,8 +1156,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
} else
#endif
- if (unlikely(ip_hdr(skb)->frag_off & htons(IP_MF|IP_OFFSET) &&
- !pp->dont_defrag)) {
+ if (unlikely(ip_is_fragment(ip_hdr(skb)) && !pp->dont_defrag)) {
if (ip_vs_gather_frags(skb,
ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
@@ -1310,7 +1309,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
*related = 1;
/* reassemble IP fragments */
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
}
@@ -1384,7 +1383,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
offset += 2 * sizeof(__u16);
verdict = ip_vs_icmp_xmit(skb, cp, pp, offset, hooknum);
- out:
+out:
__ip_vs_conn_put(cp);
return verdict;
@@ -1891,22 +1890,22 @@ static int __net_init __ip_vs_init(struct net *net)
atomic_inc(&ipvs_netns_cnt);
net->ipvs = ipvs;
- if (__ip_vs_estimator_init(net) < 0)
+ if (ip_vs_estimator_net_init(net) < 0)
goto estimator_fail;
- if (__ip_vs_control_init(net) < 0)
+ if (ip_vs_control_net_init(net) < 0)
goto control_fail;
- if (__ip_vs_protocol_init(net) < 0)
+ if (ip_vs_protocol_net_init(net) < 0)
goto protocol_fail;
- if (__ip_vs_app_init(net) < 0)
+ if (ip_vs_app_net_init(net) < 0)
goto app_fail;
- if (__ip_vs_conn_init(net) < 0)
+ if (ip_vs_conn_net_init(net) < 0)
goto conn_fail;
- if (__ip_vs_sync_init(net) < 0)
+ if (ip_vs_sync_net_init(net) < 0)
goto sync_fail;
printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n",
@@ -1917,27 +1916,27 @@ static int __net_init __ip_vs_init(struct net *net)
*/
sync_fail:
- __ip_vs_conn_cleanup(net);
+ ip_vs_conn_net_cleanup(net);
conn_fail:
- __ip_vs_app_cleanup(net);
+ ip_vs_app_net_cleanup(net);
app_fail:
- __ip_vs_protocol_cleanup(net);
+ ip_vs_protocol_net_cleanup(net);
protocol_fail:
- __ip_vs_control_cleanup(net);
+ ip_vs_control_net_cleanup(net);
control_fail:
- __ip_vs_estimator_cleanup(net);
+ ip_vs_estimator_net_cleanup(net);
estimator_fail:
return -ENOMEM;
}
static void __net_exit __ip_vs_cleanup(struct net *net)
{
- __ip_vs_service_cleanup(net); /* ip_vs_flush() with locks */
- __ip_vs_conn_cleanup(net);
- __ip_vs_app_cleanup(net);
- __ip_vs_protocol_cleanup(net);
- __ip_vs_control_cleanup(net);
- __ip_vs_estimator_cleanup(net);
+ ip_vs_service_net_cleanup(net); /* ip_vs_flush() with locks */
+ ip_vs_conn_net_cleanup(net);
+ ip_vs_app_net_cleanup(net);
+ ip_vs_protocol_net_cleanup(net);
+ ip_vs_control_net_cleanup(net);
+ ip_vs_estimator_net_cleanup(net);
IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
}
@@ -1946,7 +1945,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
EnterFunction(2);
net_ipvs(net)->enable = 0; /* Disable packet reception */
smp_wmb();
- __ip_vs_sync_cleanup(net);
+ ip_vs_sync_net_cleanup(net);
LeaveFunction(2);
}
@@ -1968,36 +1967,23 @@ static int __init ip_vs_init(void)
{
int ret;
- ip_vs_estimator_init();
ret = ip_vs_control_init();
if (ret < 0) {
pr_err("can't setup control.\n");
- goto cleanup_estimator;
+ goto exit;
}
ip_vs_protocol_init();
- ret = ip_vs_app_init();
- if (ret < 0) {
- pr_err("can't setup application helper.\n");
- goto cleanup_protocol;
- }
-
ret = ip_vs_conn_init();
if (ret < 0) {
pr_err("can't setup connection table.\n");
- goto cleanup_app;
- }
-
- ret = ip_vs_sync_init();
- if (ret < 0) {
- pr_err("can't setup sync data.\n");
- goto cleanup_conn;
+ goto cleanup_protocol;
}
ret = register_pernet_subsys(&ipvs_core_ops); /* Alloc ip_vs struct */
if (ret < 0)
- goto cleanup_sync;
+ goto cleanup_conn;
ret = register_pernet_device(&ipvs_core_dev_ops);
if (ret < 0)
@@ -2017,17 +2003,12 @@ cleanup_dev:
unregister_pernet_device(&ipvs_core_dev_ops);
cleanup_sub:
unregister_pernet_subsys(&ipvs_core_ops);
-cleanup_sync:
- ip_vs_sync_cleanup();
- cleanup_conn:
+cleanup_conn:
ip_vs_conn_cleanup();
- cleanup_app:
- ip_vs_app_cleanup();
- cleanup_protocol:
+cleanup_protocol:
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
- cleanup_estimator:
- ip_vs_estimator_cleanup();
+exit:
return ret;
}
@@ -2036,12 +2017,9 @@ static void __exit ip_vs_cleanup(void)
nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
unregister_pernet_device(&ipvs_core_dev_ops);
unregister_pernet_subsys(&ipvs_core_ops); /* free ip_vs struct */
- ip_vs_sync_cleanup();
ip_vs_conn_cleanup();
- ip_vs_app_cleanup();
ip_vs_protocol_cleanup();
ip_vs_control_cleanup();
- ip_vs_estimator_cleanup();
pr_info("ipvs unloaded.\n");
}
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 699c79a5565..be43fd805bd 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1334,9 +1334,9 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
ip_vs_bind_pe(svc, pe);
}
- out_unlock:
+out_unlock:
write_unlock_bh(&__ip_vs_svc_lock);
- out:
+out:
ip_vs_scheduler_put(old_sched);
ip_vs_pe_put(old_pe);
return ret;
@@ -1483,7 +1483,7 @@ static int ip_vs_flush(struct net *net)
* Delete service by {netns} in the service table.
* Called by __ip_vs_cleanup()
*/
-void __ip_vs_service_cleanup(struct net *net)
+void ip_vs_service_net_cleanup(struct net *net)
{
EnterFunction(2);
/* Check for "full" addressed entries */
@@ -1662,7 +1662,7 @@ proc_do_sync_mode(ctl_table *table, int write,
/*
* IPVS sysctl table (under the /proc/sys/net/ipv4/vs/)
* Do not change order or insert new entries without
- * align with netns init in __ip_vs_control_init()
+ * align with netns init in ip_vs_control_net_init()
*/
static struct ctl_table vs_vars[] = {
@@ -2469,7 +2469,7 @@ __ip_vs_get_service_entries(struct net *net,
count++;
}
}
- out:
+out:
return ret;
}
@@ -2707,7 +2707,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
ret = -EINVAL;
}
- out:
+out:
mutex_unlock(&__ip_vs_mutex);
return ret;
}
@@ -3595,7 +3595,7 @@ static void ip_vs_genl_unregister(void)
* per netns intit/exit func.
*/
#ifdef CONFIG_SYSCTL
-int __net_init __ip_vs_control_init_sysctl(struct net *net)
+int __net_init ip_vs_control_net_init_sysctl(struct net *net)
{
int idx;
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3654,7 +3654,7 @@ int __net_init __ip_vs_control_init_sysctl(struct net *net)
return 0;
}
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3665,8 +3665,8 @@ void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
#else
-int __net_init __ip_vs_control_init_sysctl(struct net *net) { return 0; }
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net) { }
+int __net_init ip_vs_control_net_init_sysctl(struct net *net) { return 0; }
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net) { }
#endif
@@ -3674,7 +3674,7 @@ static struct notifier_block ip_vs_dst_notifier = {
.notifier_call = ip_vs_dst_event,
};
-int __net_init __ip_vs_control_init(struct net *net)
+int __net_init ip_vs_control_net_init(struct net *net)
{
int idx;
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3702,7 +3702,7 @@ int __net_init __ip_vs_control_init(struct net *net)
proc_net_fops_create(net, "ip_vs_stats_percpu", 0,
&ip_vs_stats_percpu_fops);
- if (__ip_vs_control_init_sysctl(net))
+ if (ip_vs_control_net_init_sysctl(net))
goto err;
return 0;
@@ -3712,13 +3712,13 @@ err:
return -ENOMEM;
}
-void __net_exit __ip_vs_control_cleanup(struct net *net)
+void __net_exit ip_vs_control_net_cleanup(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
ip_vs_trash_cleanup(net);
ip_vs_stop_estimator(net, &ipvs->tot_stats);
- __ip_vs_control_cleanup_sysctl(net);
+ ip_vs_control_net_cleanup_sysctl(net);
proc_net_remove(net, "ip_vs_stats_percpu");
proc_net_remove(net, "ip_vs_stats");
proc_net_remove(net, "ip_vs");
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 508cce98777..0fac6017b6f 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -192,7 +192,7 @@ void ip_vs_read_estimator(struct ip_vs_stats_user *dst,
dst->outbps = (e->outbps + 0xF) >> 5;
}
-int __net_init __ip_vs_estimator_init(struct net *net)
+int __net_init ip_vs_estimator_net_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -203,16 +203,7 @@ int __net_init __ip_vs_estimator_init(struct net *net)
return 0;
}
-void __net_exit __ip_vs_estimator_cleanup(struct net *net)
+void __net_exit ip_vs_estimator_net_cleanup(struct net *net)
{
del_timer_sync(&net_ipvs(net)->est_timer);
}
-
-int __init ip_vs_estimator_init(void)
-{
- return 0;
-}
-
-void ip_vs_estimator_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index af63553fa33..4490a32ad5b 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -44,8 +44,8 @@
#include <net/ip_vs.h>
-#define SERVER_STRING "227 Entering Passive Mode ("
-#define CLIENT_STRING "PORT "
+#define SERVER_STRING "227 "
+#define CLIENT_STRING "PORT"
/*
@@ -79,14 +79,17 @@ ip_vs_ftp_done_conn(struct ip_vs_app *app, struct ip_vs_conn *cp)
/*
* Get <addr,port> from the string "xxx.xxx.xxx.xxx,ppp,ppp", started
- * with the "pattern" and terminated with the "term" character.
+ * with the "pattern", ignoring before "skip" and terminated with
+ * the "term" character.
* <addr,port> is in network order.
*/
static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
- const char *pattern, size_t plen, char term,
+ const char *pattern, size_t plen,
+ char skip, char term,
__be32 *addr, __be16 *port,
char **start, char **end)
{
+ char *s, c;
unsigned char p[6];
int i = 0;
@@ -101,19 +104,38 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
if (strnicmp(data, pattern, plen) != 0) {
return 0;
}
- *start = data + plen;
+ s = data + plen;
+ if (skip) {
+ int found = 0;
+
+ for (;; s++) {
+ if (s == data_limit)
+ return -1;
+ if (!found) {
+ if (*s == skip)
+ found = 1;
+ } else if (*s != skip) {
+ break;
+ }
+ }
+ }
- for (data = *start; *data != term; data++) {
+ for (data = s; ; data++) {
if (data == data_limit)
return -1;
+ if (*data == term)
+ break;
}
*end = data;
memset(p, 0, sizeof(p));
- for (data = *start; data != *end; data++) {
- if (*data >= '0' && *data <= '9') {
- p[i] = p[i]*10 + *data - '0';
- } else if (*data == ',' && i < 5) {
+ for (data = s; ; data++) {
+ c = *data;
+ if (c == term)
+ break;
+ if (c >= '0' && c <= '9') {
+ p[i] = p[i]*10 + c - '0';
+ } else if (c == ',' && i < 5) {
i++;
} else {
/* unexpected character */
@@ -124,8 +146,9 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
if (i != 5)
return -1;
- *addr = get_unaligned((__be32 *)p);
- *port = get_unaligned((__be16 *)(p + 4));
+ *start = s;
+ *addr = get_unaligned((__be32 *) p);
+ *port = get_unaligned((__be16 *) (p + 4));
return 1;
}
@@ -185,7 +208,8 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
if (ip_vs_ftp_get_addrport(data, data_limit,
SERVER_STRING,
- sizeof(SERVER_STRING)-1, ')',
+ sizeof(SERVER_STRING)-1,
+ '(', ')',
&from.ip, &port,
&start, &end) != 1)
return 1;
@@ -345,7 +369,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
*/
if (ip_vs_ftp_get_addrport(data_start, data_limit,
CLIENT_STRING, sizeof(CLIENT_STRING)-1,
- '\r', &to.ip, &port,
+ ' ', '\r', &to.ip, &port,
&start, &end) != 1)
return 1;
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index eb86028536f..52d073c105e 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -316,7 +316,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
/*
* per network name-space init
*/
-int __net_init __ip_vs_protocol_init(struct net *net)
+int __net_init ip_vs_protocol_net_init(struct net *net)
{
#ifdef CONFIG_IP_VS_PROTO_TCP
register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
@@ -336,7 +336,7 @@ int __net_init __ip_vs_protocol_init(struct net *net)
return 0;
}
-void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+void __net_exit ip_vs_protocol_net_cleanup(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
struct ip_vs_proto_data *pd;
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index e292e5bddc7..7ee7215b8ba 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1663,7 +1663,7 @@ int stop_sync_thread(struct net *net, int state)
/*
* Initialize data struct for each netns
*/
-int __net_init __ip_vs_sync_init(struct net *net)
+int __net_init ip_vs_sync_net_init(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
@@ -1677,7 +1677,7 @@ int __net_init __ip_vs_sync_init(struct net *net)
return 0;
}
-void __ip_vs_sync_cleanup(struct net *net)
+void ip_vs_sync_net_cleanup(struct net *net)
{
int retc;
@@ -1689,12 +1689,3 @@ void __ip_vs_sync_cleanup(struct net *net)
if (retc && retc != -ESRCH)
pr_err("Failed to stop Backup Daemon\n");
}
-
-int __init ip_vs_sync_init(void)
-{
- return 0;
-}
-
-void ip_vs_sync_cleanup(void)
-{
-}
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 482e90c6185..7dec88a1755 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -970,7 +970,7 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
if (nlh->nlmsg_flags & NLM_F_DUMP)
return netlink_dump_start(ctnl, skb, nlh, ctnetlink_dump_table,
- ctnetlink_done);
+ ctnetlink_done, 0);
err = ctnetlink_parse_zone(cda[CTA_ZONE], &zone);
if (err < 0)
@@ -1840,7 +1840,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
if (nlh->nlmsg_flags & NLM_F_DUMP) {
return netlink_dump_start(ctnl, skb, nlh,
ctnetlink_exp_dump_table,
- ctnetlink_exp_done);
+ ctnetlink_exp_done, 0);
}
err = ctnetlink_parse_zone(cda[CTA_EXPECT_ZONE], &zone);
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index b4a4532823e..1905976b513 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -37,7 +37,7 @@ MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_NETFILTER);
static char __initdata nfversion[] = "0.30";
-static const struct nfnetlink_subsystem *subsys_table[NFNL_SUBSYS_COUNT];
+static const struct nfnetlink_subsystem __rcu *subsys_table[NFNL_SUBSYS_COUNT];
static DEFINE_MUTEX(nfnl_mutex);
void nfnl_lock(void)
@@ -59,7 +59,7 @@ int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n)
nfnl_unlock();
return -EBUSY;
}
- subsys_table[n->subsys_id] = n;
+ rcu_assign_pointer(subsys_table[n->subsys_id], n);
nfnl_unlock();
return 0;
@@ -71,7 +71,7 @@ int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n)
nfnl_lock();
subsys_table[n->subsys_id] = NULL;
nfnl_unlock();
-
+ synchronize_rcu();
return 0;
}
EXPORT_SYMBOL_GPL(nfnetlink_subsys_unregister);
@@ -83,7 +83,7 @@ static inline const struct nfnetlink_subsystem *nfnetlink_get_subsys(u_int16_t t
if (subsys_id >= NFNL_SUBSYS_COUNT)
return NULL;
- return subsys_table[subsys_id];
+ return rcu_dereference(subsys_table[subsys_id]);
}
static inline const struct nfnl_callback *
@@ -139,21 +139,27 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
type = nlh->nlmsg_type;
replay:
+ rcu_read_lock();
ss = nfnetlink_get_subsys(type);
if (!ss) {
#ifdef CONFIG_MODULES
- nfnl_unlock();
+ rcu_read_unlock();
request_module("nfnetlink-subsys-%d", NFNL_SUBSYS_ID(type));
- nfnl_lock();
+ rcu_read_lock();
ss = nfnetlink_get_subsys(type);
if (!ss)
#endif
+ {
+ rcu_read_unlock();
return -EINVAL;
+ }
}
nc = nfnetlink_find_client(type, ss);
- if (!nc)
+ if (!nc) {
+ rcu_read_unlock();
return -EINVAL;
+ }
{
int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
@@ -167,7 +173,23 @@ replay:
if (err < 0)
return err;
- err = nc->call(net->nfnl, skb, nlh, (const struct nlattr **)cda);
+ if (nc->call_rcu) {
+ err = nc->call_rcu(net->nfnl, skb, nlh,
+ (const struct nlattr **)cda);
+ rcu_read_unlock();
+ } else {
+ rcu_read_unlock();
+ nfnl_lock();
+ if (rcu_dereference_protected(
+ subsys_table[NFNL_SUBSYS_ID(type)],
+ lockdep_is_held(&nfnl_mutex)) != ss ||
+ nfnetlink_find_client(type, ss) != nc)
+ err = -EAGAIN;
+ else
+ err = nc->call(net->nfnl, skb, nlh,
+ (const struct nlattr **)cda);
+ nfnl_unlock();
+ }
if (err == -EAGAIN)
goto replay;
return err;
@@ -176,9 +198,7 @@ replay:
static void nfnetlink_rcv(struct sk_buff *skb)
{
- nfnl_lock();
netlink_rcv_skb(skb, &nfnetlink_rcv_msg);
- nfnl_unlock();
}
static int __net_init nfnetlink_net_init(struct net *net)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index fdd2fafe0a1..49132bddd73 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -58,7 +58,7 @@ struct nfqnl_instance {
*/
spinlock_t lock;
unsigned int queue_total;
- atomic_t id_sequence; /* 'sequence' of pkt ids */
+ unsigned int id_sequence; /* 'sequence' of pkt ids */
struct list_head queue_list; /* packets in queue */
};
@@ -171,6 +171,13 @@ __enqueue_entry(struct nfqnl_instance *queue, struct nf_queue_entry *entry)
queue->queue_total++;
}
+static void
+__dequeue_entry(struct nfqnl_instance *queue, struct nf_queue_entry *entry)
+{
+ list_del(&entry->list);
+ queue->queue_total--;
+}
+
static struct nf_queue_entry *
find_dequeue_entry(struct nfqnl_instance *queue, unsigned int id)
{
@@ -185,10 +192,8 @@ find_dequeue_entry(struct nfqnl_instance *queue, unsigned int id)
}
}
- if (entry) {
- list_del(&entry->list);
- queue->queue_total--;
- }
+ if (entry)
+ __dequeue_entry(queue, entry);
spin_unlock_bh(&queue->lock);
@@ -213,13 +218,15 @@ nfqnl_flush(struct nfqnl_instance *queue, nfqnl_cmpfn cmpfn, unsigned long data)
static struct sk_buff *
nfqnl_build_packet_message(struct nfqnl_instance *queue,
- struct nf_queue_entry *entry)
+ struct nf_queue_entry *entry,
+ __be32 **packet_id_ptr)
{
sk_buff_data_t old_tail;
size_t size;
size_t data_len = 0;
struct sk_buff *skb;
- struct nfqnl_msg_packet_hdr pmsg;
+ struct nlattr *nla;
+ struct nfqnl_msg_packet_hdr *pmsg;
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
struct sk_buff *entskb = entry->skb;
@@ -272,12 +279,11 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
nfmsg->version = NFNETLINK_V0;
nfmsg->res_id = htons(queue->queue_num);
- entry->id = atomic_inc_return(&queue->id_sequence);
- pmsg.packet_id = htonl(entry->id);
- pmsg.hw_protocol = entskb->protocol;
- pmsg.hook = entry->hook;
-
- NLA_PUT(skb, NFQA_PACKET_HDR, sizeof(pmsg), &pmsg);
+ nla = __nla_reserve(skb, NFQA_PACKET_HDR, sizeof(*pmsg));
+ pmsg = nla_data(nla);
+ pmsg->hw_protocol = entskb->protocol;
+ pmsg->hook = entry->hook;
+ *packet_id_ptr = &pmsg->packet_id;
indev = entry->indev;
if (indev) {
@@ -389,6 +395,7 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
struct sk_buff *nskb;
struct nfqnl_instance *queue;
int err = -ENOBUFS;
+ __be32 *packet_id_ptr;
/* rcu_read_lock()ed by nf_hook_slow() */
queue = instance_lookup(queuenum);
@@ -402,7 +409,7 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
goto err_out;
}
- nskb = nfqnl_build_packet_message(queue, entry);
+ nskb = nfqnl_build_packet_message(queue, entry, &packet_id_ptr);
if (nskb == NULL) {
err = -ENOMEM;
goto err_out;
@@ -421,6 +428,8 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
queue->queue_total);
goto err_out_free_nskb;
}
+ entry->id = ++queue->id_sequence;
+ *packet_id_ptr = htonl(entry->id);
/* nfnetlink_unicast will either free the nskb or add it to a socket */
err = nfnetlink_unicast(nskb, &init_net, queue->peer_pid, MSG_DONTWAIT);
@@ -608,6 +617,92 @@ static const struct nla_policy nfqa_verdict_policy[NFQA_MAX+1] = {
[NFQA_PAYLOAD] = { .type = NLA_UNSPEC },
};
+static const struct nla_policy nfqa_verdict_batch_policy[NFQA_MAX+1] = {
+ [NFQA_VERDICT_HDR] = { .len = sizeof(struct nfqnl_msg_verdict_hdr) },
+ [NFQA_MARK] = { .type = NLA_U32 },
+};
+
+static struct nfqnl_instance *verdict_instance_lookup(u16 queue_num, int nlpid)
+{
+ struct nfqnl_instance *queue;
+
+ queue = instance_lookup(queue_num);
+ if (!queue)
+ return ERR_PTR(-ENODEV);
+
+ if (queue->peer_pid != nlpid)
+ return ERR_PTR(-EPERM);
+
+ return queue;
+}
+
+static struct nfqnl_msg_verdict_hdr*
+verdicthdr_get(const struct nlattr * const nfqa[])
+{
+ struct nfqnl_msg_verdict_hdr *vhdr;
+ unsigned int verdict;
+
+ if (!nfqa[NFQA_VERDICT_HDR])
+ return NULL;
+
+ vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]);
+ verdict = ntohl(vhdr->verdict);
+ if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT)
+ return NULL;
+ return vhdr;
+}
+
+static int nfq_id_after(unsigned int id, unsigned int max)
+{
+ return (int)(id - max) > 0;
+}
+
+static int
+nfqnl_recv_verdict_batch(struct sock *ctnl, struct sk_buff *skb,
+ const struct nlmsghdr *nlh,
+ const struct nlattr * const nfqa[])
+{
+ struct nfgenmsg *nfmsg = NLMSG_DATA(nlh);
+ struct nf_queue_entry *entry, *tmp;
+ unsigned int verdict, maxid;
+ struct nfqnl_msg_verdict_hdr *vhdr;
+ struct nfqnl_instance *queue;
+ LIST_HEAD(batch_list);
+ u16 queue_num = ntohs(nfmsg->res_id);
+
+ queue = verdict_instance_lookup(queue_num, NETLINK_CB(skb).pid);
+ if (IS_ERR(queue))
+ return PTR_ERR(queue);
+
+ vhdr = verdicthdr_get(nfqa);
+ if (!vhdr)
+ return -EINVAL;
+
+ verdict = ntohl(vhdr->verdict);
+ maxid = ntohl(vhdr->id);
+
+ spin_lock_bh(&queue->lock);
+
+ list_for_each_entry_safe(entry, tmp, &queue->queue_list, list) {
+ if (nfq_id_after(entry->id, maxid))
+ break;
+ __dequeue_entry(queue, entry);
+ list_add_tail(&entry->list, &batch_list);
+ }
+
+ spin_unlock_bh(&queue->lock);
+
+ if (list_empty(&batch_list))
+ return -ENOENT;
+
+ list_for_each_entry_safe(entry, tmp, &batch_list, list) {
+ if (nfqa[NFQA_MARK])
+ entry->skb->mark = ntohl(nla_get_be32(nfqa[NFQA_MARK]));
+ nf_reinject(entry, verdict);
+ }
+ return 0;
+}
+
static int
nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
@@ -620,39 +715,23 @@ nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb,
struct nfqnl_instance *queue;
unsigned int verdict;
struct nf_queue_entry *entry;
- int err;
- rcu_read_lock();
queue = instance_lookup(queue_num);
- if (!queue) {
- err = -ENODEV;
- goto err_out_unlock;
- }
+ if (!queue)
- if (queue->peer_pid != NETLINK_CB(skb).pid) {
- err = -EPERM;
- goto err_out_unlock;
- }
+ queue = verdict_instance_lookup(queue_num, NETLINK_CB(skb).pid);
+ if (IS_ERR(queue))
+ return PTR_ERR(queue);
- if (!nfqa[NFQA_VERDICT_HDR]) {
- err = -EINVAL;
- goto err_out_unlock;
- }
+ vhdr = verdicthdr_get(nfqa);
+ if (!vhdr)
+ return -EINVAL;
- vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]);
verdict = ntohl(vhdr->verdict);
- if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT) {
- err = -EINVAL;
- goto err_out_unlock;
- }
-
entry = find_dequeue_entry(queue, ntohl(vhdr->id));
- if (entry == NULL) {
- err = -ENOENT;
- goto err_out_unlock;
- }
- rcu_read_unlock();
+ if (entry == NULL)
+ return -ENOENT;
if (nfqa[NFQA_PAYLOAD]) {
if (nfqnl_mangle(nla_data(nfqa[NFQA_PAYLOAD]),
@@ -665,10 +744,6 @@ nfqnl_recv_verdict(struct sock *ctnl, struct sk_buff *skb,
nf_reinject(entry, verdict);
return 0;
-
-err_out_unlock:
- rcu_read_unlock();
- return err;
}
static int
@@ -781,14 +856,17 @@ err_out_unlock:
}
static const struct nfnl_callback nfqnl_cb[NFQNL_MSG_MAX] = {
- [NFQNL_MSG_PACKET] = { .call = nfqnl_recv_unsupp,
+ [NFQNL_MSG_PACKET] = { .call_rcu = nfqnl_recv_unsupp,
.attr_count = NFQA_MAX, },
- [NFQNL_MSG_VERDICT] = { .call = nfqnl_recv_verdict,
+ [NFQNL_MSG_VERDICT] = { .call_rcu = nfqnl_recv_verdict,
.attr_count = NFQA_MAX,
.policy = nfqa_verdict_policy },
[NFQNL_MSG_CONFIG] = { .call = nfqnl_recv_config,
.attr_count = NFQA_CFG_MAX,
.policy = nfqa_cfg_policy },
+ [NFQNL_MSG_VERDICT_BATCH]={ .call_rcu = nfqnl_recv_verdict_batch,
+ .attr_count = NFQA_MAX,
+ .policy = nfqa_verdict_batch_policy },
};
static const struct nfnetlink_subsystem nfqnl_subsys = {
@@ -870,7 +948,7 @@ static int seq_show(struct seq_file *s, void *v)
inst->peer_pid, inst->queue_total,
inst->copy_mode, inst->copy_range,
inst->queue_dropped, inst->queue_user_dropped,
- atomic_read(&inst->id_sequence), 1);
+ inst->id_sequence, 1);
}
static const struct seq_operations nfqnl_seq_ops = {
diff --git a/net/netfilter/xt_AUDIT.c b/net/netfilter/xt_AUDIT.c
index 363a99ec063..4bca15a0c38 100644
--- a/net/netfilter/xt_AUDIT.c
+++ b/net/netfilter/xt_AUDIT.c
@@ -163,6 +163,11 @@ audit_tg(struct sk_buff *skb, const struct xt_action_param *par)
break;
}
+#ifdef CONFIG_NETWORK_SECMARK
+ if (skb->secmark)
+ audit_log_secctx(ab, skb->secmark);
+#endif
+
audit_log_end(ab);
errout:
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 782e51986a6..0221d10de75 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -5,7 +5,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/skbuff.h>
@@ -95,8 +95,11 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
if (info->helper[0]) {
ret = -ENOENT;
proto = xt_ct_find_proto(par);
- if (!proto)
+ if (!proto) {
+ pr_info("You must specify a L4 protocol, "
+ "and not use inversions on it.\n");
goto err3;
+ }
ret = -ENOMEM;
help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
@@ -107,8 +110,10 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
help->helper = nf_conntrack_helper_try_module_get(info->helper,
par->family,
proto);
- if (help->helper == NULL)
+ if (help->helper == NULL) {
+ pr_info("No such helper \"%s\"\n", info->helper);
goto err3;
+ }
}
__set_bit(IPS_TEMPLATE_BIT, &ct->status);
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 95b084800fc..1535e87ed9b 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -38,22 +38,22 @@ ttl_tg(struct sk_buff *skb, const struct xt_action_param *par)
iph = ip_hdr(skb);
switch (info->mode) {
- case IPT_TTL_SET:
- new_ttl = info->ttl;
- break;
- case IPT_TTL_INC:
- new_ttl = iph->ttl + info->ttl;
- if (new_ttl > 255)
- new_ttl = 255;
- break;
- case IPT_TTL_DEC:
- new_ttl = iph->ttl - info->ttl;
- if (new_ttl < 0)
- new_ttl = 0;
- break;
- default:
- new_ttl = iph->ttl;
- break;
+ case IPT_TTL_SET:
+ new_ttl = info->ttl;
+ break;
+ case IPT_TTL_INC:
+ new_ttl = iph->ttl + info->ttl;
+ if (new_ttl > 255)
+ new_ttl = 255;
+ break;
+ case IPT_TTL_DEC:
+ new_ttl = iph->ttl - info->ttl;
+ if (new_ttl < 0)
+ new_ttl = 0;
+ break;
+ default:
+ new_ttl = iph->ttl;
+ break;
}
if (new_ttl != iph->ttl) {
@@ -78,22 +78,22 @@ hl_tg6(struct sk_buff *skb, const struct xt_action_param *par)
ip6h = ipv6_hdr(skb);
switch (info->mode) {
- case IP6T_HL_SET:
- new_hl = info->hop_limit;
- break;
- case IP6T_HL_INC:
- new_hl = ip6h->hop_limit + info->hop_limit;
- if (new_hl > 255)
- new_hl = 255;
- break;
- case IP6T_HL_DEC:
- new_hl = ip6h->hop_limit - info->hop_limit;
- if (new_hl < 0)
- new_hl = 0;
- break;
- default:
- new_hl = ip6h->hop_limit;
- break;
+ case IP6T_HL_SET:
+ new_hl = info->hop_limit;
+ break;
+ case IP6T_HL_INC:
+ new_hl = ip6h->hop_limit + info->hop_limit;
+ if (new_hl > 255)
+ new_hl = 255;
+ break;
+ case IP6T_HL_DEC:
+ new_hl = ip6h->hop_limit - info->hop_limit;
+ if (new_hl < 0)
+ new_hl = 0;
+ break;
+ default:
+ new_hl = ip6h->hop_limit;
+ break;
}
ip6h->hop_limit = new_hl;
diff --git a/net/netfilter/xt_RATEEST.c b/net/netfilter/xt_RATEEST.c
index de079abd5bc..f264032b8c5 100644
--- a/net/netfilter/xt_RATEEST.c
+++ b/net/netfilter/xt_RATEEST.c
@@ -60,11 +60,6 @@ struct xt_rateest *xt_rateest_lookup(const char *name)
}
EXPORT_SYMBOL_GPL(xt_rateest_lookup);
-static void xt_rateest_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct xt_rateest, rcu));
-}
-
void xt_rateest_put(struct xt_rateest *est)
{
mutex_lock(&xt_rateest_mutex);
@@ -75,7 +70,7 @@ void xt_rateest_put(struct xt_rateest *est)
* gen_estimator est_timer() might access est->lock or bstats,
* wait a RCU grace period before freeing 'est'
*/
- call_rcu(&est->rcu, xt_rateest_free_rcu);
+ kfree_rcu(est, rcu);
}
mutex_unlock(&xt_rateest_mutex);
}
@@ -188,7 +183,6 @@ static int __init xt_rateest_tg_init(void)
static void __exit xt_rateest_tg_fini(void)
{
xt_unregister_target(&xt_rateest_tg_reg);
- rcu_barrier(); /* Wait for completion of call_rcu()'s (xt_rateest_free_rcu) */
}
diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c
index 7d12221ead8..003951149c9 100644
--- a/net/netfilter/xt_hl.c
+++ b/net/netfilter/xt_hl.c
@@ -31,14 +31,14 @@ static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)
const u8 ttl = ip_hdr(skb)->ttl;
switch (info->mode) {
- case IPT_TTL_EQ:
- return ttl == info->ttl;
- case IPT_TTL_NE:
- return ttl != info->ttl;
- case IPT_TTL_LT:
- return ttl < info->ttl;
- case IPT_TTL_GT:
- return ttl > info->ttl;
+ case IPT_TTL_EQ:
+ return ttl == info->ttl;
+ case IPT_TTL_NE:
+ return ttl != info->ttl;
+ case IPT_TTL_LT:
+ return ttl < info->ttl;
+ case IPT_TTL_GT:
+ return ttl > info->ttl;
}
return false;
@@ -50,14 +50,14 @@ static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par)
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
switch (info->mode) {
- case IP6T_HL_EQ:
- return ip6h->hop_limit == info->hop_limit;
- case IP6T_HL_NE:
- return ip6h->hop_limit != info->hop_limit;
- case IP6T_HL_LT:
- return ip6h->hop_limit < info->hop_limit;
- case IP6T_HL_GT:
- return ip6h->hop_limit > info->hop_limit;
+ case IP6T_HL_EQ:
+ return ip6h->hop_limit == info->hop_limit;
+ case IP6T_HL_NE:
+ return ip6h->hop_limit != info->hop_limit;
+ case IP6T_HL_LT:
+ return ip6h->hop_limit < info->hop_limit;
+ case IP6T_HL_GT:
+ return ip6h->hop_limit > info->hop_limit;
}
return false;
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index b3babaed771..0ec8138aa47 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/skbuff.h>
-#include <linux/version.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_set.h>
@@ -29,23 +28,33 @@ MODULE_ALIAS("ip6t_SET");
static inline int
match_set(ip_set_id_t index, const struct sk_buff *skb,
- u8 pf, u8 dim, u8 flags, int inv)
+ const struct xt_action_param *par,
+ const struct ip_set_adt_opt *opt, int inv)
{
- if (ip_set_test(index, skb, pf, dim, flags))
+ if (ip_set_test(index, skb, par, opt))
inv = !inv;
return inv;
}
+#define ADT_OPT(n, f, d, fs, cfs, t) \
+const struct ip_set_adt_opt n = { \
+ .family = f, \
+ .dim = d, \
+ .flags = fs, \
+ .cmdflags = cfs, \
+ .timeout = t, \
+}
+
/* Revision 0 interface: backward compatible with netfilter/iptables */
static bool
set_match_v0(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_set_info_match_v0 *info = par->matchinfo;
+ ADT_OPT(opt, par->family, info->match_set.u.compat.dim,
+ info->match_set.u.compat.flags, 0, UINT_MAX);
- return match_set(info->match_set.index, skb, par->family,
- info->match_set.u.compat.dim,
- info->match_set.u.compat.flags,
+ return match_set(info->match_set.index, skb, par, &opt,
info->match_set.u.compat.flags & IPSET_INV_MATCH);
}
@@ -103,15 +112,15 @@ static unsigned int
set_target_v0(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_set_info_target_v0 *info = par->targinfo;
+ ADT_OPT(add_opt, par->family, info->add_set.u.compat.dim,
+ info->add_set.u.compat.flags, 0, UINT_MAX);
+ ADT_OPT(del_opt, par->family, info->del_set.u.compat.dim,
+ info->del_set.u.compat.flags, 0, UINT_MAX);
if (info->add_set.index != IPSET_INVALID_ID)
- ip_set_add(info->add_set.index, skb, par->family,
- info->add_set.u.compat.dim,
- info->add_set.u.compat.flags);
+ ip_set_add(info->add_set.index, skb, par, &add_opt);
if (info->del_set.index != IPSET_INVALID_ID)
- ip_set_del(info->del_set.index, skb, par->family,
- info->del_set.u.compat.dim,
- info->del_set.u.compat.flags);
+ ip_set_del(info->del_set.index, skb, par, &del_opt);
return XT_CONTINUE;
}
@@ -170,23 +179,23 @@ set_target_v0_destroy(const struct xt_tgdtor_param *par)
ip_set_nfnl_put(info->del_set.index);
}
-/* Revision 1: current interface to netfilter/iptables */
+/* Revision 1 match and target */
static bool
-set_match(const struct sk_buff *skb, struct xt_action_param *par)
+set_match_v1(const struct sk_buff *skb, struct xt_action_param *par)
{
- const struct xt_set_info_match *info = par->matchinfo;
+ const struct xt_set_info_match_v1 *info = par->matchinfo;
+ ADT_OPT(opt, par->family, info->match_set.dim,
+ info->match_set.flags, 0, UINT_MAX);
- return match_set(info->match_set.index, skb, par->family,
- info->match_set.dim,
- info->match_set.flags,
+ return match_set(info->match_set.index, skb, par, &opt,
info->match_set.flags & IPSET_INV_MATCH);
}
static int
-set_match_checkentry(const struct xt_mtchk_param *par)
+set_match_v1_checkentry(const struct xt_mtchk_param *par)
{
- struct xt_set_info_match *info = par->matchinfo;
+ struct xt_set_info_match_v1 *info = par->matchinfo;
ip_set_id_t index;
index = ip_set_nfnl_get_byindex(info->match_set.index);
@@ -207,36 +216,34 @@ set_match_checkentry(const struct xt_mtchk_param *par)
}
static void
-set_match_destroy(const struct xt_mtdtor_param *par)
+set_match_v1_destroy(const struct xt_mtdtor_param *par)
{
- struct xt_set_info_match *info = par->matchinfo;
+ struct xt_set_info_match_v1 *info = par->matchinfo;
ip_set_nfnl_put(info->match_set.index);
}
static unsigned int
-set_target(struct sk_buff *skb, const struct xt_action_param *par)
+set_target_v1(struct sk_buff *skb, const struct xt_action_param *par)
{
- const struct xt_set_info_target *info = par->targinfo;
+ const struct xt_set_info_target_v1 *info = par->targinfo;
+ ADT_OPT(add_opt, par->family, info->add_set.dim,
+ info->add_set.flags, 0, UINT_MAX);
+ ADT_OPT(del_opt, par->family, info->del_set.dim,
+ info->del_set.flags, 0, UINT_MAX);
if (info->add_set.index != IPSET_INVALID_ID)
- ip_set_add(info->add_set.index,
- skb, par->family,
- info->add_set.dim,
- info->add_set.flags);
+ ip_set_add(info->add_set.index, skb, par, &add_opt);
if (info->del_set.index != IPSET_INVALID_ID)
- ip_set_del(info->del_set.index,
- skb, par->family,
- info->del_set.dim,
- info->del_set.flags);
+ ip_set_del(info->del_set.index, skb, par, &del_opt);
return XT_CONTINUE;
}
static int
-set_target_checkentry(const struct xt_tgchk_param *par)
+set_target_v1_checkentry(const struct xt_tgchk_param *par)
{
- const struct xt_set_info_target *info = par->targinfo;
+ const struct xt_set_info_target_v1 *info = par->targinfo;
ip_set_id_t index;
if (info->add_set.index != IPSET_INVALID_ID) {
@@ -273,9 +280,9 @@ set_target_checkentry(const struct xt_tgchk_param *par)
}
static void
-set_target_destroy(const struct xt_tgdtor_param *par)
+set_target_v1_destroy(const struct xt_tgdtor_param *par)
{
- const struct xt_set_info_target *info = par->targinfo;
+ const struct xt_set_info_target_v1 *info = par->targinfo;
if (info->add_set.index != IPSET_INVALID_ID)
ip_set_nfnl_put(info->add_set.index);
@@ -283,6 +290,28 @@ set_target_destroy(const struct xt_tgdtor_param *par)
ip_set_nfnl_put(info->del_set.index);
}
+/* Revision 2 target */
+
+static unsigned int
+set_target_v2(struct sk_buff *skb, const struct xt_action_param *par)
+{
+ const struct xt_set_info_target_v2 *info = par->targinfo;
+ ADT_OPT(add_opt, par->family, info->add_set.dim,
+ info->add_set.flags, info->flags, info->timeout);
+ ADT_OPT(del_opt, par->family, info->del_set.dim,
+ info->del_set.flags, 0, UINT_MAX);
+
+ if (info->add_set.index != IPSET_INVALID_ID)
+ ip_set_add(info->add_set.index, skb, par, &add_opt);
+ if (info->del_set.index != IPSET_INVALID_ID)
+ ip_set_del(info->del_set.index, skb, par, &del_opt);
+
+ return XT_CONTINUE;
+}
+
+#define set_target_v2_checkentry set_target_v1_checkentry
+#define set_target_v2_destroy set_target_v1_destroy
+
static struct xt_match set_matches[] __read_mostly = {
{
.name = "set",
@@ -298,20 +327,20 @@ static struct xt_match set_matches[] __read_mostly = {
.name = "set",
.family = NFPROTO_IPV4,
.revision = 1,
- .match = set_match,
- .matchsize = sizeof(struct xt_set_info_match),
- .checkentry = set_match_checkentry,
- .destroy = set_match_destroy,
+ .match = set_match_v1,
+ .matchsize = sizeof(struct xt_set_info_match_v1),
+ .checkentry = set_match_v1_checkentry,
+ .destroy = set_match_v1_destroy,
.me = THIS_MODULE
},
{
.name = "set",
.family = NFPROTO_IPV6,
.revision = 1,
- .match = set_match,
- .matchsize = sizeof(struct xt_set_info_match),
- .checkentry = set_match_checkentry,
- .destroy = set_match_destroy,
+ .match = set_match_v1,
+ .matchsize = sizeof(struct xt_set_info_match_v1),
+ .checkentry = set_match_v1_checkentry,
+ .destroy = set_match_v1_destroy,
.me = THIS_MODULE
},
};
@@ -331,20 +360,40 @@ static struct xt_target set_targets[] __read_mostly = {
.name = "SET",
.revision = 1,
.family = NFPROTO_IPV4,
- .target = set_target,
- .targetsize = sizeof(struct xt_set_info_target),
- .checkentry = set_target_checkentry,
- .destroy = set_target_destroy,
+ .target = set_target_v1,
+ .targetsize = sizeof(struct xt_set_info_target_v1),
+ .checkentry = set_target_v1_checkentry,
+ .destroy = set_target_v1_destroy,
.me = THIS_MODULE
},
{
.name = "SET",
.revision = 1,
.family = NFPROTO_IPV6,
- .target = set_target,
- .targetsize = sizeof(struct xt_set_info_target),
- .checkentry = set_target_checkentry,
- .destroy = set_target_destroy,
+ .target = set_target_v1,
+ .targetsize = sizeof(struct xt_set_info_target_v1),
+ .checkentry = set_target_v1_checkentry,
+ .destroy = set_target_v1_destroy,
+ .me = THIS_MODULE
+ },
+ {
+ .name = "SET",
+ .revision = 2,
+ .family = NFPROTO_IPV4,
+ .target = set_target_v2,
+ .targetsize = sizeof(struct xt_set_info_target_v2),
+ .checkentry = set_target_v2_checkentry,
+ .destroy = set_target_v2_destroy,
+ .me = THIS_MODULE
+ },
+ {
+ .name = "SET",
+ .revision = 2,
+ .family = NFPROTO_IPV6,
+ .target = set_target_v2,
+ .targetsize = sizeof(struct xt_set_info_target_v2),
+ .checkentry = set_target_v2_checkentry,
+ .destroy = set_target_v2_destroy,
.me = THIS_MODULE
},
};
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 9c38658fba8..8efd061a0ae 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -426,10 +426,9 @@ int netlbl_unlhsh_add(struct net *net,
audit_info);
switch (addr_len) {
case sizeof(struct in_addr): {
- struct in_addr *addr4, *mask4;
+ const struct in_addr *addr4 = addr;
+ const struct in_addr *mask4 = mask;
- addr4 = (struct in_addr *)addr;
- mask4 = (struct in_addr *)mask;
ret_val = netlbl_unlhsh_add_addr4(iface, addr4, mask4, secid);
if (audit_buf != NULL)
netlbl_af4list_audit_addr(audit_buf, 1,
@@ -440,10 +439,9 @@ int netlbl_unlhsh_add(struct net *net,
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case sizeof(struct in6_addr): {
- struct in6_addr *addr6, *mask6;
+ const struct in6_addr *addr6 = addr;
+ const struct in6_addr *mask6 = mask;
- addr6 = (struct in6_addr *)addr;
- mask6 = (struct in6_addr *)mask;
ret_val = netlbl_unlhsh_add_addr6(iface, addr6, mask6, secid);
if (audit_buf != NULL)
netlbl_af6list_audit_addr(audit_buf, 1,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6ef64adf736..0a4db0211da 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1659,13 +1659,10 @@ static int netlink_dump(struct sock *sk)
{
struct netlink_sock *nlk = nlk_sk(sk);
struct netlink_callback *cb;
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
struct nlmsghdr *nlh;
int len, err = -ENOBUFS;
-
- skb = sock_rmalloc(sk, NLMSG_GOODSIZE, 0, GFP_KERNEL);
- if (!skb)
- goto errout;
+ int alloc_size;
mutex_lock(nlk->cb_mutex);
@@ -1675,6 +1672,12 @@ static int netlink_dump(struct sock *sk)
goto errout_skb;
}
+ alloc_size = max_t(int, cb->min_dump_alloc, NLMSG_GOODSIZE);
+
+ skb = sock_rmalloc(sk, alloc_size, 0, GFP_KERNEL);
+ if (!skb)
+ goto errout_skb;
+
len = cb->dump(skb, cb);
if (len > 0) {
@@ -1693,6 +1696,8 @@ static int netlink_dump(struct sock *sk)
if (!nlh)
goto errout_skb;
+ nl_dump_check_consistent(cb, nlh);
+
memcpy(nlmsg_data(nlh), &len, sizeof(len));
if (sk_filter(sk, skb))
@@ -1713,7 +1718,6 @@ static int netlink_dump(struct sock *sk)
errout_skb:
mutex_unlock(nlk->cb_mutex);
kfree_skb(skb);
-errout:
return err;
}
@@ -1721,7 +1725,8 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
const struct nlmsghdr *nlh,
int (*dump)(struct sk_buff *skb,
struct netlink_callback *),
- int (*done)(struct netlink_callback *))
+ int (*done)(struct netlink_callback *),
+ u16 min_dump_alloc)
{
struct netlink_callback *cb;
struct sock *sk;
@@ -1735,6 +1740,7 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
cb->dump = dump;
cb->done = done;
cb->nlh = nlh;
+ cb->min_dump_alloc = min_dump_alloc;
atomic_inc(&skb->users);
cb->skb = skb;
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 1781d99145e..482fa571b4e 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -525,7 +525,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
genl_unlock();
err = netlink_dump_start(net->genl_sock, skb, nlh,
- ops->dumpit, ops->done);
+ ops->dumpit, ops->done, 0);
genl_lock();
return err;
}
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 44059d0c8dd..cd5ddb2ebc4 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -257,9 +257,12 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
case 3:
if (nr_node->routes[1].quality > nr_node->routes[0].quality) {
switch (nr_node->which) {
- case 0: nr_node->which = 1; break;
- case 1: nr_node->which = 0; break;
- default: break;
+ case 0:
+ nr_node->which = 1;
+ break;
+ case 1:
+ nr_node->which = 0;
+ break;
}
nr_route = nr_node->routes[0];
nr_node->routes[0] = nr_node->routes[1];
@@ -505,12 +508,13 @@ static int nr_dec_obs(void)
s->count--;
switch (i) {
- case 0:
- s->routes[0] = s->routes[1];
- case 1:
- s->routes[1] = s->routes[2];
- case 2:
- break;
+ case 0:
+ s->routes[0] = s->routes[1];
+ /* Fallthrough */
+ case 1:
+ s->routes[1] = s->routes[2];
+ case 2:
+ break;
}
break;
diff --git a/net/nfc/Kconfig b/net/nfc/Kconfig
new file mode 100644
index 00000000000..33e095b124b
--- /dev/null
+++ b/net/nfc/Kconfig
@@ -0,0 +1,16 @@
+#
+# NFC sybsystem configuration
+#
+
+menuconfig NFC
+ depends on NET && EXPERIMENTAL
+ tristate "NFC subsystem support (EXPERIMENTAL)"
+ default n
+ help
+ Say Y here if you want to build support for NFC (Near field
+ communication) devices.
+
+ To compile this support as a module, choose M here: the module will
+ be called nfc.
+
+source "drivers/nfc/Kconfig"
diff --git a/net/nfc/Makefile b/net/nfc/Makefile
new file mode 100644
index 00000000000..16250c35385
--- /dev/null
+++ b/net/nfc/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the Linux NFC subsystem.
+#
+
+obj-$(CONFIG_NFC) += nfc.o
+
+nfc-objs := core.o netlink.o af_nfc.o rawsock.o
diff --git a/net/nfc/af_nfc.c b/net/nfc/af_nfc.c
new file mode 100644
index 00000000000..e982cef8f49
--- /dev/null
+++ b/net/nfc/af_nfc.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/nfc.h>
+
+#include "nfc.h"
+
+static DEFINE_RWLOCK(proto_tab_lock);
+static const struct nfc_protocol *proto_tab[NFC_SOCKPROTO_MAX];
+
+static int nfc_sock_create(struct net *net, struct socket *sock, int proto,
+ int kern)
+{
+ int rc = -EPROTONOSUPPORT;
+
+ if (net != &init_net)
+ return -EAFNOSUPPORT;
+
+ if (proto < 0 || proto >= NFC_SOCKPROTO_MAX)
+ return -EINVAL;
+
+ read_lock(&proto_tab_lock);
+ if (proto_tab[proto] && try_module_get(proto_tab[proto]->owner)) {
+ rc = proto_tab[proto]->create(net, sock, proto_tab[proto]);
+ module_put(proto_tab[proto]->owner);
+ }
+ read_unlock(&proto_tab_lock);
+
+ return rc;
+}
+
+static struct net_proto_family nfc_sock_family_ops = {
+ .owner = THIS_MODULE,
+ .family = PF_NFC,
+ .create = nfc_sock_create,
+};
+
+int nfc_proto_register(const struct nfc_protocol *nfc_proto)
+{
+ int rc;
+
+ if (nfc_proto->id < 0 || nfc_proto->id >= NFC_SOCKPROTO_MAX)
+ return -EINVAL;
+
+ rc = proto_register(nfc_proto->proto, 0);
+ if (rc)
+ return rc;
+
+ write_lock(&proto_tab_lock);
+ if (proto_tab[nfc_proto->id])
+ rc = -EBUSY;
+ else
+ proto_tab[nfc_proto->id] = nfc_proto;
+ write_unlock(&proto_tab_lock);
+
+ return rc;
+}
+EXPORT_SYMBOL(nfc_proto_register);
+
+void nfc_proto_unregister(const struct nfc_protocol *nfc_proto)
+{
+ write_lock(&proto_tab_lock);
+ proto_tab[nfc_proto->id] = NULL;
+ write_unlock(&proto_tab_lock);
+
+ proto_unregister(nfc_proto->proto);
+}
+EXPORT_SYMBOL(nfc_proto_unregister);
+
+int __init af_nfc_init(void)
+{
+ return sock_register(&nfc_sock_family_ops);
+}
+
+void af_nfc_exit(void)
+{
+ sock_unregister(PF_NFC);
+}
diff --git a/net/nfc/core.c b/net/nfc/core.c
new file mode 100644
index 00000000000..b6fd4e1f205
--- /dev/null
+++ b/net/nfc/core.c
@@ -0,0 +1,468 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "nfc.h"
+
+#define VERSION "0.1"
+
+int nfc_devlist_generation;
+DEFINE_MUTEX(nfc_devlist_mutex);
+
+int nfc_printk(const char *level, const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+ int r;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ r = printk("%sNFC: %pV\n", level, &vaf);
+
+ va_end(args);
+
+ return r;
+}
+EXPORT_SYMBOL(nfc_printk);
+
+/**
+ * nfc_start_poll - start polling for nfc targets
+ *
+ * @dev: The nfc device that must start polling
+ * @protocols: bitset of nfc protocols that must be used for polling
+ *
+ * The device remains polling for targets until a target is found or
+ * the nfc_stop_poll function is called.
+ */
+int nfc_start_poll(struct nfc_dev *dev, u32 protocols)
+{
+ int rc;
+
+ nfc_dbg("dev_name=%s protocols=0x%x", dev_name(&dev->dev), protocols);
+
+ if (!protocols)
+ return -EINVAL;
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ if (dev->polling) {
+ rc = -EBUSY;
+ goto error;
+ }
+
+ rc = dev->ops->start_poll(dev, protocols);
+ if (!rc)
+ dev->polling = true;
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
+/**
+ * nfc_stop_poll - stop polling for nfc targets
+ *
+ * @dev: The nfc device that must stop polling
+ */
+int nfc_stop_poll(struct nfc_dev *dev)
+{
+ int rc = 0;
+
+ nfc_dbg("dev_name=%s", dev_name(&dev->dev));
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ if (!dev->polling) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ dev->ops->stop_poll(dev);
+ dev->polling = false;
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
+/**
+ * nfc_activate_target - prepare the target for data exchange
+ *
+ * @dev: The nfc device that found the target
+ * @target_idx: index of the target that must be activated
+ * @protocol: nfc protocol that will be used for data exchange
+ */
+int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol)
+{
+ int rc;
+
+ nfc_dbg("dev_name=%s target_idx=%u protocol=%u", dev_name(&dev->dev),
+ target_idx, protocol);
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ rc = dev->ops->activate_target(dev, target_idx, protocol);
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
+/**
+ * nfc_deactivate_target - deactivate a nfc target
+ *
+ * @dev: The nfc device that found the target
+ * @target_idx: index of the target that must be deactivated
+ */
+int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx)
+{
+ int rc = 0;
+
+ nfc_dbg("dev_name=%s target_idx=%u", dev_name(&dev->dev), target_idx);
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ dev->ops->deactivate_target(dev, target_idx);
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
+/**
+ * nfc_data_exchange - transceive data
+ *
+ * @dev: The nfc device that found the target
+ * @target_idx: index of the target
+ * @skb: data to be sent
+ * @cb: callback called when the response is received
+ * @cb_context: parameter for the callback function
+ *
+ * The user must wait for the callback before calling this function again.
+ */
+int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx,
+ struct sk_buff *skb,
+ data_exchange_cb_t cb,
+ void *cb_context)
+{
+ int rc;
+
+ nfc_dbg("dev_name=%s target_idx=%u skb->len=%u", dev_name(&dev->dev),
+ target_idx, skb->len);
+
+ device_lock(&dev->dev);
+
+ if (!device_is_registered(&dev->dev)) {
+ rc = -ENODEV;
+ kfree_skb(skb);
+ goto error;
+ }
+
+ rc = dev->ops->data_exchange(dev, target_idx, skb, cb, cb_context);
+
+error:
+ device_unlock(&dev->dev);
+ return rc;
+}
+
+/**
+ * nfc_alloc_skb - allocate a skb for data exchange responses
+ *
+ * @size: size to allocate
+ * @gfp: gfp flags
+ */
+struct sk_buff *nfc_alloc_skb(unsigned int size, gfp_t gfp)
+{
+ struct sk_buff *skb;
+ unsigned int total_size;
+
+ total_size = size + 1;
+ skb = alloc_skb(total_size, gfp);
+
+ if (skb)
+ skb_reserve(skb, 1);
+
+ return skb;
+}
+EXPORT_SYMBOL(nfc_alloc_skb);
+
+/**
+ * nfc_targets_found - inform that targets were found
+ *
+ * @dev: The nfc device that found the targets
+ * @targets: array of nfc targets found
+ * @ntargets: targets array size
+ *
+ * The device driver must call this function when one or many nfc targets
+ * are found. After calling this function, the device driver must stop
+ * polling for targets.
+ */
+int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets,
+ int n_targets)
+{
+ int i;
+
+ nfc_dbg("dev_name=%s n_targets=%d", dev_name(&dev->dev), n_targets);
+
+ dev->polling = false;
+
+ for (i = 0; i < n_targets; i++)
+ targets[i].idx = dev->target_idx++;
+
+ spin_lock_bh(&dev->targets_lock);
+
+ dev->targets_generation++;
+
+ kfree(dev->targets);
+ dev->targets = kmemdup(targets, n_targets * sizeof(struct nfc_target),
+ GFP_ATOMIC);
+
+ if (!dev->targets) {
+ dev->n_targets = 0;
+ spin_unlock_bh(&dev->targets_lock);
+ return -ENOMEM;
+ }
+
+ dev->n_targets = n_targets;
+ spin_unlock_bh(&dev->targets_lock);
+
+ nfc_genl_targets_found(dev);
+
+ return 0;
+}
+EXPORT_SYMBOL(nfc_targets_found);
+
+static void nfc_release(struct device *d)
+{
+ struct nfc_dev *dev = to_nfc_dev(d);
+
+ nfc_dbg("dev_name=%s", dev_name(&dev->dev));
+
+ nfc_genl_data_exit(&dev->genl_data);
+ kfree(dev->targets);
+ kfree(dev);
+}
+
+struct class nfc_class = {
+ .name = "nfc",
+ .dev_release = nfc_release,
+};
+EXPORT_SYMBOL(nfc_class);
+
+static int match_idx(struct device *d, void *data)
+{
+ struct nfc_dev *dev = to_nfc_dev(d);
+ unsigned *idx = data;
+
+ return dev->idx == *idx;
+}
+
+struct nfc_dev *nfc_get_device(unsigned idx)
+{
+ struct device *d;
+
+ d = class_find_device(&nfc_class, NULL, &idx, match_idx);
+ if (!d)
+ return NULL;
+
+ return to_nfc_dev(d);
+}
+
+/**
+ * nfc_allocate_device - allocate a new nfc device
+ *
+ * @ops: device operations
+ * @supported_protocols: NFC protocols supported by the device
+ */
+struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
+ u32 supported_protocols)
+{
+ static atomic_t dev_no = ATOMIC_INIT(0);
+ struct nfc_dev *dev;
+
+ if (!ops->start_poll || !ops->stop_poll || !ops->activate_target ||
+ !ops->deactivate_target || !ops->data_exchange)
+ return NULL;
+
+ if (!supported_protocols)
+ return NULL;
+
+ dev = kzalloc(sizeof(struct nfc_dev), GFP_KERNEL);
+ if (!dev)
+ return NULL;
+
+ dev->dev.class = &nfc_class;
+ dev->idx = atomic_inc_return(&dev_no) - 1;
+ dev_set_name(&dev->dev, "nfc%d", dev->idx);
+ device_initialize(&dev->dev);
+
+ dev->ops = ops;
+ dev->supported_protocols = supported_protocols;
+
+ spin_lock_init(&dev->targets_lock);
+ nfc_genl_data_init(&dev->genl_data);
+
+ /* first generation must not be 0 */
+ dev->targets_generation = 1;
+
+ return dev;
+}
+EXPORT_SYMBOL(nfc_allocate_device);
+
+/**
+ * nfc_register_device - register a nfc device in the nfc subsystem
+ *
+ * @dev: The nfc device to register
+ */
+int nfc_register_device(struct nfc_dev *dev)
+{
+ int rc;
+
+ nfc_dbg("dev_name=%s", dev_name(&dev->dev));
+
+ mutex_lock(&nfc_devlist_mutex);
+ nfc_devlist_generation++;
+ rc = device_add(&dev->dev);
+ mutex_unlock(&nfc_devlist_mutex);
+
+ if (rc < 0)
+ return rc;
+
+ rc = nfc_genl_device_added(dev);
+ if (rc)
+ nfc_dbg("The userspace won't be notified that the device %s was"
+ " added", dev_name(&dev->dev));
+
+
+ return 0;
+}
+EXPORT_SYMBOL(nfc_register_device);
+
+/**
+ * nfc_unregister_device - unregister a nfc device in the nfc subsystem
+ *
+ * @dev: The nfc device to unregister
+ */
+void nfc_unregister_device(struct nfc_dev *dev)
+{
+ int rc;
+
+ nfc_dbg("dev_name=%s", dev_name(&dev->dev));
+
+ mutex_lock(&nfc_devlist_mutex);
+ nfc_devlist_generation++;
+
+ /* lock to avoid unregistering a device while an operation
+ is in progress */
+ device_lock(&dev->dev);
+ device_del(&dev->dev);
+ device_unlock(&dev->dev);
+
+ mutex_unlock(&nfc_devlist_mutex);
+
+ rc = nfc_genl_device_removed(dev);
+ if (rc)
+ nfc_dbg("The userspace won't be notified that the device %s"
+ " was removed", dev_name(&dev->dev));
+
+}
+EXPORT_SYMBOL(nfc_unregister_device);
+
+static int __init nfc_init(void)
+{
+ int rc;
+
+ nfc_info("NFC Core ver %s", VERSION);
+
+ rc = class_register(&nfc_class);
+ if (rc)
+ return rc;
+
+ rc = nfc_genl_init();
+ if (rc)
+ goto err_genl;
+
+ /* the first generation must not be 0 */
+ nfc_devlist_generation = 1;
+
+ rc = rawsock_init();
+ if (rc)
+ goto err_rawsock;
+
+ rc = af_nfc_init();
+ if (rc)
+ goto err_af_nfc;
+
+ return 0;
+
+err_af_nfc:
+ rawsock_exit();
+err_rawsock:
+ nfc_genl_exit();
+err_genl:
+ class_unregister(&nfc_class);
+ return rc;
+}
+
+static void __exit nfc_exit(void)
+{
+ af_nfc_exit();
+ rawsock_exit();
+ nfc_genl_exit();
+ class_unregister(&nfc_class);
+}
+
+subsys_initcall(nfc_init);
+module_exit(nfc_exit);
+
+MODULE_AUTHOR("Lauro Ramos Venancio <lauro.venancio@openbossa.org>");
+MODULE_DESCRIPTION("NFC Core ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
new file mode 100644
index 00000000000..ccdff7953f7
--- /dev/null
+++ b/net/nfc/netlink.c
@@ -0,0 +1,537 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <net/genetlink.h>
+#include <linux/nfc.h>
+#include <linux/slab.h>
+
+#include "nfc.h"
+
+static struct genl_multicast_group nfc_genl_event_mcgrp = {
+ .name = NFC_GENL_MCAST_EVENT_NAME,
+};
+
+struct genl_family nfc_genl_family = {
+ .id = GENL_ID_GENERATE,
+ .hdrsize = 0,
+ .name = NFC_GENL_NAME,
+ .version = NFC_GENL_VERSION,
+ .maxattr = NFC_ATTR_MAX,
+};
+
+static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
+ [NFC_ATTR_DEVICE_INDEX] = { .type = NLA_U32 },
+ [NFC_ATTR_DEVICE_NAME] = { .type = NLA_STRING,
+ .len = NFC_DEVICE_NAME_MAXSIZE },
+ [NFC_ATTR_PROTOCOLS] = { .type = NLA_U32 },
+};
+
+static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target,
+ struct netlink_callback *cb, int flags)
+{
+ void *hdr;
+
+ nfc_dbg("entry");
+
+ hdr = genlmsg_put(msg, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq,
+ &nfc_genl_family, flags, NFC_CMD_GET_TARGET);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ genl_dump_check_consistent(cb, hdr, &nfc_genl_family);
+
+ NLA_PUT_U32(msg, NFC_ATTR_TARGET_INDEX, target->idx);
+ NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS,
+ target->supported_protocols);
+ NLA_PUT_U16(msg, NFC_ATTR_TARGET_SENS_RES, target->sens_res);
+ NLA_PUT_U8(msg, NFC_ATTR_TARGET_SEL_RES, target->sel_res);
+
+ return genlmsg_end(msg, hdr);
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static struct nfc_dev *__get_device_from_cb(struct netlink_callback *cb)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx;
+
+ rc = nlmsg_parse(cb->nlh, GENL_HDRLEN + nfc_genl_family.hdrsize,
+ nfc_genl_family.attrbuf,
+ nfc_genl_family.maxattr,
+ nfc_genl_policy);
+ if (rc < 0)
+ return ERR_PTR(rc);
+
+ if (!nfc_genl_family.attrbuf[NFC_ATTR_DEVICE_INDEX])
+ return ERR_PTR(-EINVAL);
+
+ idx = nla_get_u32(nfc_genl_family.attrbuf[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return ERR_PTR(-ENODEV);
+
+ return dev;
+}
+
+static int nfc_genl_dump_targets(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int i = cb->args[0];
+ struct nfc_dev *dev = (struct nfc_dev *) cb->args[1];
+ int rc;
+
+ nfc_dbg("entry");
+
+ if (!dev) {
+ dev = __get_device_from_cb(cb);
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
+
+ cb->args[1] = (long) dev;
+ }
+
+ spin_lock_bh(&dev->targets_lock);
+
+ cb->seq = dev->targets_generation;
+
+ while (i < dev->n_targets) {
+ rc = nfc_genl_send_target(skb, &dev->targets[i], cb,
+ NLM_F_MULTI);
+ if (rc < 0)
+ break;
+
+ i++;
+ }
+
+ spin_unlock_bh(&dev->targets_lock);
+
+ cb->args[0] = i;
+
+ return skb->len;
+}
+
+static int nfc_genl_dump_targets_done(struct netlink_callback *cb)
+{
+ struct nfc_dev *dev = (struct nfc_dev *) cb->args[1];
+
+ nfc_dbg("entry");
+
+ if (dev)
+ nfc_put_device(dev);
+
+ return 0;
+}
+
+int nfc_genl_targets_found(struct nfc_dev *dev)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ nfc_dbg("entry");
+
+ dev->genl_data.poll_req_pid = 0;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0,
+ NFC_EVENT_TARGETS_FOUND);
+ if (!hdr)
+ goto free_msg;
+
+ NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
+
+ genlmsg_end(msg, hdr);
+
+ return genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_ATOMIC);
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+free_msg:
+ nlmsg_free(msg);
+ return -EMSGSIZE;
+}
+
+int nfc_genl_device_added(struct nfc_dev *dev)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ nfc_dbg("entry");
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0,
+ NFC_EVENT_DEVICE_ADDED);
+ if (!hdr)
+ goto free_msg;
+
+ NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));
+ NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
+ NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_KERNEL);
+
+ return 0;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+free_msg:
+ nlmsg_free(msg);
+ return -EMSGSIZE;
+}
+
+int nfc_genl_device_removed(struct nfc_dev *dev)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ nfc_dbg("entry");
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0,
+ NFC_EVENT_DEVICE_REMOVED);
+ if (!hdr)
+ goto free_msg;
+
+ NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
+
+ genlmsg_end(msg, hdr);
+
+ genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_KERNEL);
+
+ return 0;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+free_msg:
+ nlmsg_free(msg);
+ return -EMSGSIZE;
+}
+
+static int nfc_genl_send_device(struct sk_buff *msg, struct nfc_dev *dev,
+ u32 pid, u32 seq,
+ struct netlink_callback *cb,
+ int flags)
+{
+ void *hdr;
+
+ nfc_dbg("entry");
+
+ hdr = genlmsg_put(msg, pid, seq, &nfc_genl_family, flags,
+ NFC_CMD_GET_DEVICE);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ if (cb)
+ genl_dump_check_consistent(cb, hdr, &nfc_genl_family);
+
+ NLA_PUT_STRING(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev));
+ NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx);
+ NLA_PUT_U32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols);
+
+ return genlmsg_end(msg, hdr);
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return -EMSGSIZE;
+}
+
+static int nfc_genl_dump_devices(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
+ struct nfc_dev *dev = (struct nfc_dev *) cb->args[1];
+ bool first_call = false;
+
+ nfc_dbg("entry");
+
+ if (!iter) {
+ first_call = true;
+ iter = kmalloc(sizeof(struct class_dev_iter), GFP_KERNEL);
+ if (!iter)
+ return -ENOMEM;
+ cb->args[0] = (long) iter;
+ }
+
+ mutex_lock(&nfc_devlist_mutex);
+
+ cb->seq = nfc_devlist_generation;
+
+ if (first_call) {
+ nfc_device_iter_init(iter);
+ dev = nfc_device_iter_next(iter);
+ }
+
+ while (dev) {
+ int rc;
+
+ rc = nfc_genl_send_device(skb, dev, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ cb, NLM_F_MULTI);
+ if (rc < 0)
+ break;
+
+ dev = nfc_device_iter_next(iter);
+ }
+
+ mutex_unlock(&nfc_devlist_mutex);
+
+ cb->args[1] = (long) dev;
+
+ return skb->len;
+}
+
+static int nfc_genl_dump_devices_done(struct netlink_callback *cb)
+{
+ struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
+
+ nfc_dbg("entry");
+
+ nfc_device_iter_exit(iter);
+ kfree(iter);
+
+ return 0;
+}
+
+static int nfc_genl_get_device(struct sk_buff *skb, struct genl_info *info)
+{
+ struct sk_buff *msg;
+ struct nfc_dev *dev;
+ u32 idx;
+ int rc = -ENOBUFS;
+
+ nfc_dbg("entry");
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg) {
+ rc = -ENOMEM;
+ goto out_putdev;
+ }
+
+ rc = nfc_genl_send_device(msg, dev, info->snd_pid, info->snd_seq,
+ NULL, 0);
+ if (rc < 0)
+ goto out_free;
+
+ nfc_put_device(dev);
+
+ return genlmsg_reply(msg, info);
+
+out_free:
+ nlmsg_free(msg);
+out_putdev:
+ nfc_put_device(dev);
+ return rc;
+}
+
+static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx;
+ u32 protocols;
+
+ nfc_dbg("entry");
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX] ||
+ !info->attrs[NFC_ATTR_PROTOCOLS])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+ protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ mutex_lock(&dev->genl_data.genl_data_mutex);
+
+ rc = nfc_start_poll(dev, protocols);
+ if (!rc)
+ dev->genl_data.poll_req_pid = info->snd_pid;
+
+ mutex_unlock(&dev->genl_data.genl_data_mutex);
+
+ nfc_put_device(dev);
+ return rc;
+}
+
+static int nfc_genl_stop_poll(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nfc_dev *dev;
+ int rc;
+ u32 idx;
+
+ nfc_dbg("entry");
+
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
+ return -EINVAL;
+
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
+
+ dev = nfc_get_device(idx);
+ if (!dev)
+ return -ENODEV;
+
+ mutex_lock(&dev->genl_data.genl_data_mutex);
+
+ if (dev->genl_data.poll_req_pid != info->snd_pid) {
+ rc = -EBUSY;
+ goto out;
+ }
+
+ rc = nfc_stop_poll(dev);
+ dev->genl_data.poll_req_pid = 0;
+
+out:
+ mutex_unlock(&dev->genl_data.genl_data_mutex);
+ nfc_put_device(dev);
+ return rc;
+}
+
+static struct genl_ops nfc_genl_ops[] = {
+ {
+ .cmd = NFC_CMD_GET_DEVICE,
+ .doit = nfc_genl_get_device,
+ .dumpit = nfc_genl_dump_devices,
+ .done = nfc_genl_dump_devices_done,
+ .policy = nfc_genl_policy,
+ },
+ {
+ .cmd = NFC_CMD_START_POLL,
+ .doit = nfc_genl_start_poll,
+ .policy = nfc_genl_policy,
+ },
+ {
+ .cmd = NFC_CMD_STOP_POLL,
+ .doit = nfc_genl_stop_poll,
+ .policy = nfc_genl_policy,
+ },
+ {
+ .cmd = NFC_CMD_GET_TARGET,
+ .dumpit = nfc_genl_dump_targets,
+ .done = nfc_genl_dump_targets_done,
+ .policy = nfc_genl_policy,
+ },
+};
+
+static int nfc_genl_rcv_nl_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ struct netlink_notify *n = ptr;
+ struct class_dev_iter iter;
+ struct nfc_dev *dev;
+
+ if (event != NETLINK_URELEASE || n->protocol != NETLINK_GENERIC)
+ goto out;
+
+ nfc_dbg("NETLINK_URELEASE event from id %d", n->pid);
+
+ nfc_device_iter_init(&iter);
+ dev = nfc_device_iter_next(&iter);
+
+ while (dev) {
+ mutex_lock(&dev->genl_data.genl_data_mutex);
+ if (dev->genl_data.poll_req_pid == n->pid) {
+ nfc_stop_poll(dev);
+ dev->genl_data.poll_req_pid = 0;
+ }
+ mutex_unlock(&dev->genl_data.genl_data_mutex);
+ dev = nfc_device_iter_next(&iter);
+ }
+
+ nfc_device_iter_exit(&iter);
+
+out:
+ return NOTIFY_DONE;
+}
+
+void nfc_genl_data_init(struct nfc_genl_data *genl_data)
+{
+ genl_data->poll_req_pid = 0;
+ mutex_init(&genl_data->genl_data_mutex);
+}
+
+void nfc_genl_data_exit(struct nfc_genl_data *genl_data)
+{
+ mutex_destroy(&genl_data->genl_data_mutex);
+}
+
+static struct notifier_block nl_notifier = {
+ .notifier_call = nfc_genl_rcv_nl_event,
+};
+
+/**
+ * nfc_genl_init() - Initialize netlink interface
+ *
+ * This initialization function registers the nfc netlink family.
+ */
+int __init nfc_genl_init(void)
+{
+ int rc;
+
+ rc = genl_register_family_with_ops(&nfc_genl_family, nfc_genl_ops,
+ ARRAY_SIZE(nfc_genl_ops));
+ if (rc)
+ return rc;
+
+ rc = genl_register_mc_group(&nfc_genl_family, &nfc_genl_event_mcgrp);
+
+ netlink_register_notifier(&nl_notifier);
+
+ return rc;
+}
+
+/**
+ * nfc_genl_exit() - Deinitialize netlink interface
+ *
+ * This exit function unregisters the nfc netlink family.
+ */
+void nfc_genl_exit(void)
+{
+ netlink_unregister_notifier(&nl_notifier);
+ genl_unregister_family(&nfc_genl_family);
+}
diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
new file mode 100644
index 00000000000..aaf9832298f
--- /dev/null
+++ b/net/nfc/nfc.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __LOCAL_NFC_H
+#define __LOCAL_NFC_H
+
+#include <net/nfc.h>
+#include <net/sock.h>
+
+__attribute__((format (printf, 2, 3)))
+int nfc_printk(const char *level, const char *fmt, ...);
+
+#define nfc_info(fmt, arg...) nfc_printk(KERN_INFO, fmt, ##arg)
+#define nfc_err(fmt, arg...) nfc_printk(KERN_ERR, fmt, ##arg)
+#define nfc_dbg(fmt, arg...) pr_debug(fmt "\n", ##arg)
+
+struct nfc_protocol {
+ int id;
+ struct proto *proto;
+ struct module *owner;
+ int (*create)(struct net *net, struct socket *sock,
+ const struct nfc_protocol *nfc_proto);
+};
+
+struct nfc_rawsock {
+ struct sock sk;
+ struct nfc_dev *dev;
+ u32 target_idx;
+ struct work_struct tx_work;
+ bool tx_work_scheduled;
+};
+#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
+#define to_rawsock_sk(_tx_work) \
+ ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
+
+int __init rawsock_init(void);
+void rawsock_exit(void);
+
+int __init af_nfc_init(void);
+void af_nfc_exit(void);
+int nfc_proto_register(const struct nfc_protocol *nfc_proto);
+void nfc_proto_unregister(const struct nfc_protocol *nfc_proto);
+
+extern int nfc_devlist_generation;
+extern struct mutex nfc_devlist_mutex;
+
+int __init nfc_genl_init(void);
+void nfc_genl_exit(void);
+
+void nfc_genl_data_init(struct nfc_genl_data *genl_data);
+void nfc_genl_data_exit(struct nfc_genl_data *genl_data);
+
+int nfc_genl_targets_found(struct nfc_dev *dev);
+
+int nfc_genl_device_added(struct nfc_dev *dev);
+int nfc_genl_device_removed(struct nfc_dev *dev);
+
+struct nfc_dev *nfc_get_device(unsigned idx);
+
+static inline void nfc_put_device(struct nfc_dev *dev)
+{
+ put_device(&dev->dev);
+}
+
+static inline void nfc_device_iter_init(struct class_dev_iter *iter)
+{
+ class_dev_iter_init(iter, &nfc_class, NULL, NULL);
+}
+
+static inline struct nfc_dev *nfc_device_iter_next(struct class_dev_iter *iter)
+{
+ struct device *d = class_dev_iter_next(iter);
+ if (!d)
+ return NULL;
+
+ return to_nfc_dev(d);
+}
+
+static inline void nfc_device_iter_exit(struct class_dev_iter *iter)
+{
+ class_dev_iter_exit(iter);
+}
+
+int nfc_start_poll(struct nfc_dev *dev, u32 protocols);
+
+int nfc_stop_poll(struct nfc_dev *dev);
+
+int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol);
+
+int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx);
+
+int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx,
+ struct sk_buff *skb,
+ data_exchange_cb_t cb,
+ void *cb_context);
+
+#endif /* __LOCAL_NFC_H */
diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
new file mode 100644
index 00000000000..52de84a5511
--- /dev/null
+++ b/net/nfc/rawsock.c
@@ -0,0 +1,354 @@
+/*
+ * Copyright (C) 2011 Instituto Nokia de Tecnologia
+ *
+ * Authors:
+ * Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
+ * Lauro Ramos Venancio <lauro.venancio@openbossa.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <net/tcp_states.h>
+#include <linux/nfc.h>
+
+#include "nfc.h"
+
+static void rawsock_write_queue_purge(struct sock *sk)
+{
+ nfc_dbg("sk=%p", sk);
+
+ spin_lock_bh(&sk->sk_write_queue.lock);
+ __skb_queue_purge(&sk->sk_write_queue);
+ nfc_rawsock(sk)->tx_work_scheduled = false;
+ spin_unlock_bh(&sk->sk_write_queue.lock);
+}
+
+static void rawsock_report_error(struct sock *sk, int err)
+{
+ nfc_dbg("sk=%p err=%d", sk, err);
+
+ sk->sk_shutdown = SHUTDOWN_MASK;
+ sk->sk_err = -err;
+ sk->sk_error_report(sk);
+
+ rawsock_write_queue_purge(sk);
+}
+
+static int rawsock_release(struct socket *sock)
+{
+ struct sock *sk = sock->sk;
+
+ nfc_dbg("sock=%p", sock);
+
+ sock_orphan(sk);
+ sock_put(sk);
+
+ return 0;
+}
+
+static int rawsock_connect(struct socket *sock, struct sockaddr *_addr,
+ int len, int flags)
+{
+ struct sock *sk = sock->sk;
+ struct sockaddr_nfc *addr = (struct sockaddr_nfc *)_addr;
+ struct nfc_dev *dev;
+ int rc = 0;
+
+ nfc_dbg("sock=%p sk=%p flags=%d", sock, sk, flags);
+
+ if (!addr || len < sizeof(struct sockaddr_nfc) ||
+ addr->sa_family != AF_NFC)
+ return -EINVAL;
+
+ nfc_dbg("addr dev_idx=%u target_idx=%u protocol=%u", addr->dev_idx,
+ addr->target_idx, addr->nfc_protocol);
+
+ lock_sock(sk);
+
+ if (sock->state == SS_CONNECTED) {
+ rc = -EISCONN;
+ goto error;
+ }
+
+ dev = nfc_get_device(addr->dev_idx);
+ if (!dev) {
+ rc = -ENODEV;
+ goto error;
+ }
+
+ if (addr->target_idx > dev->target_idx - 1 ||
+ addr->target_idx < dev->target_idx - dev->n_targets) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ if (addr->target_idx > dev->target_idx - 1 ||
+ addr->target_idx < dev->target_idx - dev->n_targets) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol);
+ if (rc)
+ goto put_dev;
+
+ nfc_rawsock(sk)->dev = dev;
+ nfc_rawsock(sk)->target_idx = addr->target_idx;
+ sock->state = SS_CONNECTED;
+ sk->sk_state = TCP_ESTABLISHED;
+ sk->sk_state_change(sk);
+
+ release_sock(sk);
+ return 0;
+
+put_dev:
+ nfc_put_device(dev);
+error:
+ release_sock(sk);
+ return rc;
+}
+
+static int rawsock_add_header(struct sk_buff *skb)
+{
+
+ if (skb_cow_head(skb, 1))
+ return -ENOMEM;
+
+ *skb_push(skb, 1) = 0;
+
+ return 0;
+}
+
+static void rawsock_data_exchange_complete(void *context, struct sk_buff *skb,
+ int err)
+{
+ struct sock *sk = (struct sock *) context;
+
+ BUG_ON(in_irq());
+
+ nfc_dbg("sk=%p err=%d", sk, err);
+
+ if (err)
+ goto error;
+
+ err = rawsock_add_header(skb);
+ if (err)
+ goto error;
+
+ err = sock_queue_rcv_skb(sk, skb);
+ if (err)
+ goto error;
+
+ spin_lock_bh(&sk->sk_write_queue.lock);
+ if (!skb_queue_empty(&sk->sk_write_queue))
+ schedule_work(&nfc_rawsock(sk)->tx_work);
+ else
+ nfc_rawsock(sk)->tx_work_scheduled = false;
+ spin_unlock_bh(&sk->sk_write_queue.lock);
+
+ sock_put(sk);
+ return;
+
+error:
+ rawsock_report_error(sk, err);
+ sock_put(sk);
+}
+
+static void rawsock_tx_work(struct work_struct *work)
+{
+ struct sock *sk = to_rawsock_sk(work);
+ struct nfc_dev *dev = nfc_rawsock(sk)->dev;
+ u32 target_idx = nfc_rawsock(sk)->target_idx;
+ struct sk_buff *skb;
+ int rc;
+
+ nfc_dbg("sk=%p target_idx=%u", sk, target_idx);
+
+ if (sk->sk_shutdown & SEND_SHUTDOWN) {
+ rawsock_write_queue_purge(sk);
+ return;
+ }
+
+ skb = skb_dequeue(&sk->sk_write_queue);
+
+ sock_hold(sk);
+ rc = nfc_data_exchange(dev, target_idx, skb,
+ rawsock_data_exchange_complete, sk);
+ if (rc) {
+ rawsock_report_error(sk, rc);
+ sock_put(sk);
+ }
+}
+
+static int rawsock_sendmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t len)
+{
+ struct sock *sk = sock->sk;
+ struct sk_buff *skb;
+ int rc;
+
+ nfc_dbg("sock=%p sk=%p len=%zu", sock, sk, len);
+
+ if (msg->msg_namelen)
+ return -EOPNOTSUPP;
+
+ if (sock->state != SS_CONNECTED)
+ return -ENOTCONN;
+
+ skb = sock_alloc_send_skb(sk, len, msg->msg_flags & MSG_DONTWAIT,
+ &rc);
+ if (!skb)
+ return rc;
+
+ rc = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
+ if (rc < 0) {
+ kfree_skb(skb);
+ return rc;
+ }
+
+ spin_lock_bh(&sk->sk_write_queue.lock);
+ __skb_queue_tail(&sk->sk_write_queue, skb);
+ if (!nfc_rawsock(sk)->tx_work_scheduled) {
+ schedule_work(&nfc_rawsock(sk)->tx_work);
+ nfc_rawsock(sk)->tx_work_scheduled = true;
+ }
+ spin_unlock_bh(&sk->sk_write_queue.lock);
+
+ return len;
+}
+
+static int rawsock_recvmsg(struct kiocb *iocb, struct socket *sock,
+ struct msghdr *msg, size_t len, int flags)
+{
+ int noblock = flags & MSG_DONTWAIT;
+ struct sock *sk = sock->sk;
+ struct sk_buff *skb;
+ int copied;
+ int rc;
+
+ nfc_dbg("sock=%p sk=%p len=%zu flags=%d", sock, sk, len, flags);
+
+ skb = skb_recv_datagram(sk, flags, noblock, &rc);
+ if (!skb)
+ return rc;
+
+ msg->msg_namelen = 0;
+
+ copied = skb->len;
+ if (len < copied) {
+ msg->msg_flags |= MSG_TRUNC;
+ copied = len;
+ }
+
+ rc = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+
+ skb_free_datagram(sk, skb);
+
+ return rc ? : copied;
+}
+
+
+static const struct proto_ops rawsock_ops = {
+ .family = PF_NFC,
+ .owner = THIS_MODULE,
+ .release = rawsock_release,
+ .bind = sock_no_bind,
+ .connect = rawsock_connect,
+ .socketpair = sock_no_socketpair,
+ .accept = sock_no_accept,
+ .getname = sock_no_getname,
+ .poll = datagram_poll,
+ .ioctl = sock_no_ioctl,
+ .listen = sock_no_listen,
+ .shutdown = sock_no_shutdown,
+ .setsockopt = sock_no_setsockopt,
+ .getsockopt = sock_no_getsockopt,
+ .sendmsg = rawsock_sendmsg,
+ .recvmsg = rawsock_recvmsg,
+ .mmap = sock_no_mmap,
+};
+
+static void rawsock_destruct(struct sock *sk)
+{
+ nfc_dbg("sk=%p", sk);
+
+ if (sk->sk_state == TCP_ESTABLISHED) {
+ nfc_deactivate_target(nfc_rawsock(sk)->dev,
+ nfc_rawsock(sk)->target_idx);
+ nfc_put_device(nfc_rawsock(sk)->dev);
+ }
+
+ skb_queue_purge(&sk->sk_receive_queue);
+
+ if (!sock_flag(sk, SOCK_DEAD)) {
+ nfc_err("Freeing alive NFC raw socket %p", sk);
+ return;
+ }
+}
+
+static int rawsock_create(struct net *net, struct socket *sock,
+ const struct nfc_protocol *nfc_proto)
+{
+ struct sock *sk;
+
+ nfc_dbg("sock=%p", sock);
+
+ if (sock->type != SOCK_SEQPACKET)
+ return -ESOCKTNOSUPPORT;
+
+ sock->ops = &rawsock_ops;
+
+ sk = sk_alloc(net, PF_NFC, GFP_KERNEL, nfc_proto->proto);
+ if (!sk)
+ return -ENOMEM;
+
+ sock_init_data(sock, sk);
+ sk->sk_protocol = nfc_proto->id;
+ sk->sk_destruct = rawsock_destruct;
+ sock->state = SS_UNCONNECTED;
+
+ INIT_WORK(&nfc_rawsock(sk)->tx_work, rawsock_tx_work);
+ nfc_rawsock(sk)->tx_work_scheduled = false;
+
+ return 0;
+}
+
+static struct proto rawsock_proto = {
+ .name = "NFC_RAW",
+ .owner = THIS_MODULE,
+ .obj_size = sizeof(struct nfc_rawsock),
+};
+
+static const struct nfc_protocol rawsock_nfc_proto = {
+ .id = NFC_SOCKPROTO_RAW,
+ .proto = &rawsock_proto,
+ .owner = THIS_MODULE,
+ .create = rawsock_create
+};
+
+int __init rawsock_init(void)
+{
+ int rc;
+
+ rc = nfc_proto_register(&rawsock_nfc_proto);
+
+ return rc;
+}
+
+void rawsock_exit(void)
+{
+ nfc_proto_unregister(&rawsock_nfc_proto);
+}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c0c3cda1971..c698cec0a44 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -187,9 +187,11 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg);
static void packet_flush_mclist(struct sock *sk);
+struct packet_fanout;
struct packet_sock {
/* struct sock has to be the first member of packet_sock */
struct sock sk;
+ struct packet_fanout *fanout;
struct tpacket_stats stats;
struct packet_ring_buffer rx_ring;
struct packet_ring_buffer tx_ring;
@@ -212,6 +214,24 @@ struct packet_sock {
struct packet_type prot_hook ____cacheline_aligned_in_smp;
};
+#define PACKET_FANOUT_MAX 256
+
+struct packet_fanout {
+#ifdef CONFIG_NET_NS
+ struct net *net;
+#endif
+ unsigned int num_members;
+ u16 id;
+ u8 type;
+ u8 defrag;
+ atomic_t rr_cur;
+ struct list_head list;
+ struct sock *arr[PACKET_FANOUT_MAX];
+ spinlock_t lock;
+ atomic_t sk_ref;
+ struct packet_type prot_hook ____cacheline_aligned_in_smp;
+};
+
struct packet_skb_cb {
unsigned int origlen;
union {
@@ -222,6 +242,64 @@ struct packet_skb_cb {
#define PACKET_SKB_CB(__skb) ((struct packet_skb_cb *)((__skb)->cb))
+static inline struct packet_sock *pkt_sk(struct sock *sk)
+{
+ return (struct packet_sock *)sk;
+}
+
+static void __fanout_unlink(struct sock *sk, struct packet_sock *po);
+static void __fanout_link(struct sock *sk, struct packet_sock *po);
+
+/* register_prot_hook must be invoked with the po->bind_lock held,
+ * or from a context in which asynchronous accesses to the packet
+ * socket is not possible (packet_create()).
+ */
+static void register_prot_hook(struct sock *sk)
+{
+ struct packet_sock *po = pkt_sk(sk);
+ if (!po->running) {
+ if (po->fanout)
+ __fanout_link(sk, po);
+ else
+ dev_add_pack(&po->prot_hook);
+ sock_hold(sk);
+ po->running = 1;
+ }
+}
+
+/* {,__}unregister_prot_hook() must be invoked with the po->bind_lock
+ * held. If the sync parameter is true, we will temporarily drop
+ * the po->bind_lock and do a synchronize_net to make sure no
+ * asynchronous packet processing paths still refer to the elements
+ * of po->prot_hook. If the sync parameter is false, it is the
+ * callers responsibility to take care of this.
+ */
+static void __unregister_prot_hook(struct sock *sk, bool sync)
+{
+ struct packet_sock *po = pkt_sk(sk);
+
+ po->running = 0;
+ if (po->fanout)
+ __fanout_unlink(sk, po);
+ else
+ __dev_remove_pack(&po->prot_hook);
+ __sock_put(sk);
+
+ if (sync) {
+ spin_unlock(&po->bind_lock);
+ synchronize_net();
+ spin_lock(&po->bind_lock);
+ }
+}
+
+static void unregister_prot_hook(struct sock *sk, bool sync)
+{
+ struct packet_sock *po = pkt_sk(sk);
+
+ if (po->running)
+ __unregister_prot_hook(sk, sync);
+}
+
static inline __pure struct page *pgv_to_page(void *addr)
{
if (is_vmalloc_addr(addr))
@@ -324,11 +402,6 @@ static inline void packet_increment_head(struct packet_ring_buffer *buff)
buff->head = buff->head != buff->frame_max ? buff->head+1 : 0;
}
-static inline struct packet_sock *pkt_sk(struct sock *sk)
-{
- return (struct packet_sock *)sk;
-}
-
static void packet_sock_destruct(struct sock *sk)
{
skb_queue_purge(&sk->sk_error_queue);
@@ -344,6 +417,240 @@ static void packet_sock_destruct(struct sock *sk)
sk_refcnt_debug_dec(sk);
}
+static int fanout_rr_next(struct packet_fanout *f, unsigned int num)
+{
+ int x = atomic_read(&f->rr_cur) + 1;
+
+ if (x >= num)
+ x = 0;
+
+ return x;
+}
+
+static struct sock *fanout_demux_hash(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+ u32 idx, hash = skb->rxhash;
+
+ idx = ((u64)hash * num) >> 32;
+
+ return f->arr[idx];
+}
+
+static struct sock *fanout_demux_lb(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+ int cur, old;
+
+ cur = atomic_read(&f->rr_cur);
+ while ((old = atomic_cmpxchg(&f->rr_cur, cur,
+ fanout_rr_next(f, num))) != cur)
+ cur = old;
+ return f->arr[cur];
+}
+
+static struct sock *fanout_demux_cpu(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+ unsigned int cpu = smp_processor_id();
+
+ return f->arr[cpu % num];
+}
+
+static struct sk_buff *fanout_check_defrag(struct sk_buff *skb)
+{
+#ifdef CONFIG_INET
+ const struct iphdr *iph;
+ u32 len;
+
+ if (skb->protocol != htons(ETH_P_IP))
+ return skb;
+
+ if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+ return skb;
+
+ iph = ip_hdr(skb);
+ if (iph->ihl < 5 || iph->version != 4)
+ return skb;
+ if (!pskb_may_pull(skb, iph->ihl*4))
+ return skb;
+ iph = ip_hdr(skb);
+ len = ntohs(iph->tot_len);
+ if (skb->len < len || len < (iph->ihl * 4))
+ return skb;
+
+ if (ip_is_fragment(ip_hdr(skb))) {
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (skb) {
+ if (pskb_trim_rcsum(skb, len))
+ return skb;
+ memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
+ if (ip_defrag(skb, IP_DEFRAG_AF_PACKET))
+ return NULL;
+ skb->rxhash = 0;
+ }
+ }
+#endif
+ return skb;
+}
+
+static int packet_rcv_fanout(struct sk_buff *skb, struct net_device *dev,
+ struct packet_type *pt, struct net_device *orig_dev)
+{
+ struct packet_fanout *f = pt->af_packet_priv;
+ unsigned int num = f->num_members;
+ struct packet_sock *po;
+ struct sock *sk;
+
+ if (!net_eq(dev_net(dev), read_pnet(&f->net)) ||
+ !num) {
+ kfree_skb(skb);
+ return 0;
+ }
+
+ switch (f->type) {
+ case PACKET_FANOUT_HASH:
+ default:
+ if (f->defrag) {
+ skb = fanout_check_defrag(skb);
+ if (!skb)
+ return 0;
+ }
+ skb_get_rxhash(skb);
+ sk = fanout_demux_hash(f, skb, num);
+ break;
+ case PACKET_FANOUT_LB:
+ sk = fanout_demux_lb(f, skb, num);
+ break;
+ case PACKET_FANOUT_CPU:
+ sk = fanout_demux_cpu(f, skb, num);
+ break;
+ }
+
+ po = pkt_sk(sk);
+
+ return po->prot_hook.func(skb, dev, &po->prot_hook, orig_dev);
+}
+
+static DEFINE_MUTEX(fanout_mutex);
+static LIST_HEAD(fanout_list);
+
+static void __fanout_link(struct sock *sk, struct packet_sock *po)
+{
+ struct packet_fanout *f = po->fanout;
+
+ spin_lock(&f->lock);
+ f->arr[f->num_members] = sk;
+ smp_wmb();
+ f->num_members++;
+ spin_unlock(&f->lock);
+}
+
+static void __fanout_unlink(struct sock *sk, struct packet_sock *po)
+{
+ struct packet_fanout *f = po->fanout;
+ int i;
+
+ spin_lock(&f->lock);
+ for (i = 0; i < f->num_members; i++) {
+ if (f->arr[i] == sk)
+ break;
+ }
+ BUG_ON(i >= f->num_members);
+ f->arr[i] = f->arr[f->num_members - 1];
+ f->num_members--;
+ spin_unlock(&f->lock);
+}
+
+static int fanout_add(struct sock *sk, u16 id, u16 type_flags)
+{
+ struct packet_sock *po = pkt_sk(sk);
+ struct packet_fanout *f, *match;
+ u8 type = type_flags & 0xff;
+ u8 defrag = (type_flags & PACKET_FANOUT_FLAG_DEFRAG) ? 1 : 0;
+ int err;
+
+ switch (type) {
+ case PACKET_FANOUT_HASH:
+ case PACKET_FANOUT_LB:
+ case PACKET_FANOUT_CPU:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (!po->running)
+ return -EINVAL;
+
+ if (po->fanout)
+ return -EALREADY;
+
+ mutex_lock(&fanout_mutex);
+ match = NULL;
+ list_for_each_entry(f, &fanout_list, list) {
+ if (f->id == id &&
+ read_pnet(&f->net) == sock_net(sk)) {
+ match = f;
+ break;
+ }
+ }
+ err = -EINVAL;
+ if (match && match->defrag != defrag)
+ goto out;
+ if (!match) {
+ err = -ENOMEM;
+ match = kzalloc(sizeof(*match), GFP_KERNEL);
+ if (!match)
+ goto out;
+ write_pnet(&match->net, sock_net(sk));
+ match->id = id;
+ match->type = type;
+ match->defrag = defrag;
+ atomic_set(&match->rr_cur, 0);
+ INIT_LIST_HEAD(&match->list);
+ spin_lock_init(&match->lock);
+ atomic_set(&match->sk_ref, 0);
+ match->prot_hook.type = po->prot_hook.type;
+ match->prot_hook.dev = po->prot_hook.dev;
+ match->prot_hook.func = packet_rcv_fanout;
+ match->prot_hook.af_packet_priv = match;
+ dev_add_pack(&match->prot_hook);
+ list_add(&match->list, &fanout_list);
+ }
+ err = -EINVAL;
+ if (match->type == type &&
+ match->prot_hook.type == po->prot_hook.type &&
+ match->prot_hook.dev == po->prot_hook.dev) {
+ err = -ENOSPC;
+ if (atomic_read(&match->sk_ref) < PACKET_FANOUT_MAX) {
+ __dev_remove_pack(&po->prot_hook);
+ po->fanout = match;
+ atomic_inc(&match->sk_ref);
+ __fanout_link(sk, po);
+ err = 0;
+ }
+ }
+out:
+ mutex_unlock(&fanout_mutex);
+ return err;
+}
+
+static void fanout_release(struct sock *sk)
+{
+ struct packet_sock *po = pkt_sk(sk);
+ struct packet_fanout *f;
+
+ f = po->fanout;
+ if (!f)
+ return;
+
+ po->fanout = NULL;
+
+ mutex_lock(&fanout_mutex);
+ if (atomic_dec_and_test(&f->sk_ref)) {
+ list_del(&f->list);
+ dev_remove_pack(&f->prot_hook);
+ kfree(f);
+ }
+ mutex_unlock(&fanout_mutex);
+}
static const struct proto_ops packet_ops;
@@ -822,7 +1129,6 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
else
sll->sll_ifindex = dev->ifindex;
- __packet_set_status(po, h.raw, status);
smp_mb();
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
{
@@ -831,8 +1137,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
end = (u8 *)PAGE_ALIGN((unsigned long)h.raw + macoff + snaplen);
for (start = h.raw; start < end; start += PAGE_SIZE)
flush_dcache_page(pgv_to_page(start));
+ smp_wmb();
}
#endif
+ __packet_set_status(po, h.raw, status);
sk->sk_data_ready(sk, 0);
@@ -975,7 +1283,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
struct sk_buff *skb;
struct net_device *dev;
__be16 proto;
- int ifindex, err, reserve = 0;
+ bool need_rls_dev = false;
+ int err, reserve = 0;
void *ph;
struct sockaddr_ll *saddr = (struct sockaddr_ll *)msg->msg_name;
int tp_len, size_max;
@@ -987,7 +1296,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
err = -EBUSY;
if (saddr == NULL) {
- ifindex = po->ifindex;
+ dev = po->prot_hook.dev;
proto = po->num;
addr = NULL;
} else {
@@ -998,12 +1307,12 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
+ offsetof(struct sockaddr_ll,
sll_addr)))
goto out;
- ifindex = saddr->sll_ifindex;
proto = saddr->sll_protocol;
addr = saddr->sll_addr;
+ dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
+ need_rls_dev = true;
}
- dev = dev_get_by_index(sock_net(&po->sk), ifindex);
err = -ENXIO;
if (unlikely(dev == NULL))
goto out;
@@ -1089,7 +1398,8 @@ out_status:
__packet_set_status(po, ph, status);
kfree_skb(skb);
out_put:
- dev_put(dev);
+ if (need_rls_dev)
+ dev_put(dev);
out:
mutex_unlock(&po->pg_vec_lock);
return err;
@@ -1127,8 +1437,9 @@ static int packet_snd(struct socket *sock,
struct sk_buff *skb;
struct net_device *dev;
__be16 proto;
+ bool need_rls_dev = false;
unsigned char *addr;
- int ifindex, err, reserve = 0;
+ int err, reserve = 0;
struct virtio_net_hdr vnet_hdr = { 0 };
int offset = 0;
int vnet_hdr_len;
@@ -1140,7 +1451,7 @@ static int packet_snd(struct socket *sock,
*/
if (saddr == NULL) {
- ifindex = po->ifindex;
+ dev = po->prot_hook.dev;
proto = po->num;
addr = NULL;
} else {
@@ -1149,13 +1460,12 @@ static int packet_snd(struct socket *sock,
goto out;
if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct sockaddr_ll, sll_addr)))
goto out;
- ifindex = saddr->sll_ifindex;
proto = saddr->sll_protocol;
addr = saddr->sll_addr;
+ dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
+ need_rls_dev = true;
}
-
- dev = dev_get_by_index(sock_net(sk), ifindex);
err = -ENXIO;
if (dev == NULL)
goto out_unlock;
@@ -1286,14 +1596,15 @@ static int packet_snd(struct socket *sock,
if (err > 0 && (err = net_xmit_errno(err)) != 0)
goto out_unlock;
- dev_put(dev);
+ if (need_rls_dev)
+ dev_put(dev);
return len;
out_free:
kfree_skb(skb);
out_unlock:
- if (dev)
+ if (dev && need_rls_dev)
dev_put(dev);
out:
return err;
@@ -1334,14 +1645,10 @@ static int packet_release(struct socket *sock)
spin_unlock_bh(&net->packet.sklist_lock);
spin_lock(&po->bind_lock);
- if (po->running) {
- /*
- * Remove from protocol table
- */
- po->running = 0;
- po->num = 0;
- __dev_remove_pack(&po->prot_hook);
- __sock_put(sk);
+ unregister_prot_hook(sk, false);
+ if (po->prot_hook.dev) {
+ dev_put(po->prot_hook.dev);
+ po->prot_hook.dev = NULL;
}
spin_unlock(&po->bind_lock);
@@ -1355,6 +1662,8 @@ static int packet_release(struct socket *sock)
if (po->tx_ring.pg_vec)
packet_set_ring(sk, &req, 1, 1);
+ fanout_release(sk);
+
synchronize_net();
/*
* Now the socket is dead. No more input will appear.
@@ -1378,24 +1687,18 @@ static int packet_release(struct socket *sock)
static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protocol)
{
struct packet_sock *po = pkt_sk(sk);
- /*
- * Detach an existing hook if present.
- */
+
+ if (po->fanout)
+ return -EINVAL;
lock_sock(sk);
spin_lock(&po->bind_lock);
- if (po->running) {
- __sock_put(sk);
- po->running = 0;
- po->num = 0;
- spin_unlock(&po->bind_lock);
- dev_remove_pack(&po->prot_hook);
- spin_lock(&po->bind_lock);
- }
-
+ unregister_prot_hook(sk, true);
po->num = protocol;
po->prot_hook.type = protocol;
+ if (po->prot_hook.dev)
+ dev_put(po->prot_hook.dev);
po->prot_hook.dev = dev;
po->ifindex = dev ? dev->ifindex : 0;
@@ -1404,9 +1707,7 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
goto out_unlock;
if (!dev || (dev->flags & IFF_UP)) {
- dev_add_pack(&po->prot_hook);
- sock_hold(sk);
- po->running = 1;
+ register_prot_hook(sk);
} else {
sk->sk_err = ENETDOWN;
if (!sock_flag(sk, SOCK_DEAD))
@@ -1440,10 +1741,8 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
strlcpy(name, uaddr->sa_data, sizeof(name));
dev = dev_get_by_name(sock_net(sk), name);
- if (dev) {
+ if (dev)
err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
- dev_put(dev);
- }
return err;
}
@@ -1471,8 +1770,6 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
goto out;
}
err = packet_do_bind(sk, dev, sll->sll_protocol ? : pkt_sk(sk)->num);
- if (dev)
- dev_put(dev);
out:
return err;
@@ -1537,9 +1834,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
if (proto) {
po->prot_hook.type = proto;
- dev_add_pack(&po->prot_hook);
- sock_hold(sk);
- po->running = 1;
+ register_prot_hook(sk);
}
spin_lock_bh(&net->packet.sklist_lock);
@@ -1681,6 +1976,8 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
vnet_hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
vnet_hdr.csum_start = skb_checksum_start_offset(skb);
vnet_hdr.csum_offset = skb->csum_offset;
+ } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+ vnet_hdr.flags = VIRTIO_NET_HDR_F_DATA_VALID;
} /* else everything is zero */
err = memcpy_toiovec(msg->msg_iov, (void *)&vnet_hdr,
@@ -2102,6 +2399,17 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
po->tp_tstamp = val;
return 0;
}
+ case PACKET_FANOUT:
+ {
+ int val;
+
+ if (optlen != sizeof(val))
+ return -EINVAL;
+ if (copy_from_user(&val, optval, sizeof(val)))
+ return -EFAULT;
+
+ return fanout_add(sk, val & 0xffff, val >> 16);
+ }
default:
return -ENOPROTOOPT;
}
@@ -2200,6 +2508,15 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
val = po->tp_tstamp;
data = &val;
break;
+ case PACKET_FANOUT:
+ if (len > sizeof(int))
+ len = sizeof(int);
+ val = (po->fanout ?
+ ((u32)po->fanout->id |
+ ((u32)po->fanout->type << 16)) :
+ 0);
+ data = &val;
+ break;
default:
return -ENOPROTOOPT;
}
@@ -2233,15 +2550,15 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
if (dev->ifindex == po->ifindex) {
spin_lock(&po->bind_lock);
if (po->running) {
- __dev_remove_pack(&po->prot_hook);
- __sock_put(sk);
- po->running = 0;
+ __unregister_prot_hook(sk, false);
sk->sk_err = ENETDOWN;
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_error_report(sk);
}
if (msg == NETDEV_UNREGISTER) {
po->ifindex = -1;
+ if (po->prot_hook.dev)
+ dev_put(po->prot_hook.dev);
po->prot_hook.dev = NULL;
}
spin_unlock(&po->bind_lock);
@@ -2250,11 +2567,8 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
case NETDEV_UP:
if (dev->ifindex == po->ifindex) {
spin_lock(&po->bind_lock);
- if (po->num && !po->running) {
- dev_add_pack(&po->prot_hook);
- sock_hold(sk);
- po->running = 1;
- }
+ if (po->num)
+ register_prot_hook(sk);
spin_unlock(&po->bind_lock);
}
break;
@@ -2521,10 +2835,8 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
was_running = po->running;
num = po->num;
if (was_running) {
- __dev_remove_pack(&po->prot_hook);
po->num = 0;
- po->running = 0;
- __sock_put(sk);
+ __unregister_prot_hook(sk, false);
}
spin_unlock(&po->bind_lock);
@@ -2555,11 +2867,9 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
mutex_unlock(&po->pg_vec_lock);
spin_lock(&po->bind_lock);
- if (was_running && !po->running) {
- sock_hold(sk);
- po->running = 1;
+ if (was_running) {
po->num = num;
- dev_add_pack(&po->prot_hook);
+ register_prot_hook(sk);
}
spin_unlock(&po->bind_lock);
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 438accb7a5a..d61f6761777 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -289,15 +289,16 @@ out:
int __init phonet_netlink_register(void)
{
- int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
+ int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit,
+ NULL, NULL);
if (err)
return err;
/* Further __rtnl_register() cannot fail */
- __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
- __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
- __rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL);
- __rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL);
- __rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit);
+ __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL, NULL);
+ __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit, NULL);
+ __rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL, NULL);
+ __rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL, NULL);
+ __rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit, NULL);
return 0;
}
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 2f6b3fcc79f..637bde56c9d 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -35,6 +35,7 @@
#include <linux/in.h>
#include <linux/if_arp.h>
#include <linux/jhash.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#define BIND_HASH_SIZE 1024
@@ -185,8 +186,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (!trans) {
ret = -EADDRNOTAVAIL;
rds_remove_bound(rs);
- if (printk_ratelimit())
- printk(KERN_INFO "RDS: rds_bind() could not find a transport, "
+ printk_ratelimited(KERN_INFO "RDS: rds_bind() could not find a transport, "
"load rds_tcp or rds_rdma?\n");
goto out;
}
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 4297d92788d..edfaaaf164e 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -3,6 +3,7 @@
#include <rdma/ib_verbs.h>
#include <rdma/rdma_cm.h>
+#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include "rds.h"
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index fd453dd5124..cd67026be2d 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -34,6 +34,7 @@
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#include "ib.h"
@@ -435,13 +436,12 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event)
version = RDS_PROTOCOL_3_0;
while ((common >>= 1) != 0)
version++;
- } else if (printk_ratelimit()) {
- printk(KERN_NOTICE "RDS: Connection from %pI4 using "
+ }
+ printk_ratelimited(KERN_NOTICE "RDS: Connection from %pI4 using "
"incompatible protocol version %u.%u\n",
&dp->dp_saddr,
dp->dp_protocol_major,
dp->dp_protocol_minor);
- }
return version;
}
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 7c4dce8fa5e..e5909498117 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -34,6 +34,7 @@
#include <linux/in.h>
#include <linux/device.h>
#include <linux/dmapool.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#include "ib.h"
@@ -207,8 +208,7 @@ static struct rds_message *rds_ib_send_unmap_op(struct rds_ib_connection *ic,
}
break;
default:
- if (printk_ratelimit())
- printk(KERN_NOTICE
+ printk_ratelimited(KERN_NOTICE
"RDS/IB: %s: unexpected opcode 0x%x in WR!\n",
__func__, send->s_wr.opcode);
break;
diff --git a/net/rds/iw.h b/net/rds/iw.h
index 90151922178..04ce3b193f7 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -1,6 +1,7 @@
#ifndef _RDS_IW_H
#define _RDS_IW_H
+#include <linux/interrupt.h>
#include <rdma/ib_verbs.h>
#include <rdma/rdma_cm.h>
#include "rds.h"
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index c12db66f24c..9556d2895f7 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -34,6 +34,7 @@
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#include "iw.h"
@@ -258,8 +259,7 @@ static int rds_iw_setup_qp(struct rds_connection *conn)
*/
rds_iwdev = ib_get_client_data(dev, &rds_iw_client);
if (!rds_iwdev) {
- if (printk_ratelimit())
- printk(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
+ printk_ratelimited(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
dev->name);
return -EOPNOTSUPP;
}
@@ -365,13 +365,12 @@ static u32 rds_iw_protocol_compatible(const struct rds_iw_connect_private *dp)
version = RDS_PROTOCOL_3_0;
while ((common >>= 1) != 0)
version++;
- } else if (printk_ratelimit()) {
- printk(KERN_NOTICE "RDS: Connection from %pI4 using "
+ }
+ printk_ratelimited(KERN_NOTICE "RDS: Connection from %pI4 using "
"incompatible protocol version %u.%u\n",
&dp->dp_saddr,
dp->dp_protocol_major,
dp->dp_protocol_minor);
- }
return version;
}
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 6deaa77495e..8b77edbab27 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -32,6 +32,7 @@
*/
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#include "iw.h"
@@ -729,8 +730,8 @@ static int rds_iw_rdma_build_fastreg(struct rds_iw_mapping *mapping)
failed_wr = &f_wr;
ret = ib_post_send(ibmr->cm_id->qp, &f_wr, &failed_wr);
BUG_ON(failed_wr != &f_wr);
- if (ret && printk_ratelimit())
- printk(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
+ if (ret)
+ printk_ratelimited(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
__func__, __LINE__, ret);
return ret;
}
@@ -751,8 +752,8 @@ static int rds_iw_rdma_fastreg_inv(struct rds_iw_mr *ibmr)
failed_wr = &s_wr;
ret = ib_post_send(ibmr->cm_id->qp, &s_wr, &failed_wr);
- if (ret && printk_ratelimit()) {
- printk(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
+ if (ret) {
+ printk_ratelimited(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
__func__, __LINE__, ret);
goto out;
}
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 545d8ee3efb..e40c3c5db2c 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -34,6 +34,7 @@
#include <linux/in.h>
#include <linux/device.h>
#include <linux/dmapool.h>
+#include <linux/ratelimit.h>
#include "rds.h"
#include "iw.h"
@@ -258,8 +259,7 @@ void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context)
* when the SEND completes. */
break;
default:
- if (printk_ratelimit())
- printk(KERN_NOTICE
+ printk_ratelimited(KERN_NOTICE
"RDS/IW: %s: unexpected opcode 0x%x in WR!\n",
__func__, send->s_wr.opcode);
break;
diff --git a/net/rds/send.c b/net/rds/send.c
index d58ae5f9339..aa57e22539e 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -35,6 +35,7 @@
#include <net/sock.h>
#include <linux/in.h>
#include <linux/list.h>
+#include <linux/ratelimit.h>
#include "rds.h"
@@ -1006,16 +1007,14 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
goto out;
if (rm->rdma.op_active && !conn->c_trans->xmit_rdma) {
- if (printk_ratelimit())
- printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
+ printk_ratelimited(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
&rm->rdma, conn->c_trans->xmit_rdma);
ret = -EOPNOTSUPP;
goto out;
}
if (rm->atomic.op_active && !conn->c_trans->xmit_atomic) {
- if (printk_ratelimit())
- printk(KERN_NOTICE "atomic_op %p conn xmit_atomic %p\n",
+ printk_ratelimited(KERN_NOTICE "atomic_op %p conn xmit_atomic %p\n",
&rm->atomic, conn->c_trans->xmit_atomic);
ret = -EOPNOTSUPP;
goto out;
diff --git a/net/rds/tcp_stats.c b/net/rds/tcp_stats.c
index d5898d03cd6..f8a7954f1f5 100644
--- a/net/rds/tcp_stats.c
+++ b/net/rds/tcp_stats.c
@@ -40,7 +40,7 @@
DEFINE_PER_CPU(struct rds_tcp_statistics, rds_tcp_stats)
____cacheline_aligned;
-static const char const *rds_tcp_stat_names[] = {
+static const char * const rds_tcp_stat_names[] = {
"tcp_data_ready_calls",
"tcp_write_space_calls",
"tcp_sndbuf_full",
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index fa5f5641a2c..7a02bd1cc5a 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -266,13 +266,6 @@ void rose_transmit_link(struct sk_buff *skb, struct rose_neigh *neigh)
{
unsigned char *dptr;
-#if 0
- if (call_fw_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT) {
- kfree_skb(skb);
- return;
- }
-#endif
-
if (neigh->loopback) {
rose_loopback_queue(skb, neigh);
return;
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 479cae57d18..d389de19708 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -864,11 +864,6 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
int res = 0;
char buf[11];
-#if 0
- if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
- return res;
-#endif
-
if (skb->len < ROSE_MIN_LEN)
return res;
frametype = skb->data[2];
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index a606025814a..f2fb67e701a 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -365,10 +365,10 @@ static struct tc_action_ops *tc_lookup_action_id(u32 type)
}
#endif
-int tcf_action_exec(struct sk_buff *skb, struct tc_action *act,
+int tcf_action_exec(struct sk_buff *skb, const struct tc_action *act,
struct tcf_result *res)
{
- struct tc_action *a;
+ const struct tc_action *a;
int ret = -1;
if (skb->tc_verd & TC_NCLS) {
@@ -1115,9 +1115,10 @@ nlmsg_failure:
static int __init tc_action_init(void)
{
- rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action);
+ rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action,
+ NULL);
return 0;
}
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 6cdf9abe475..453a73431ac 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -500,7 +500,7 @@ fail:
}
static int tcf_csum(struct sk_buff *skb,
- struct tc_action *a, struct tcf_result *res)
+ const struct tc_action *a, struct tcf_result *res)
{
struct tcf_csum *p = a->priv;
int action;
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 2b4ab4b05ce..b77f5a06a65 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -125,7 +125,8 @@ static int tcf_gact_cleanup(struct tc_action *a, int bind)
return 0;
}
-static int tcf_gact(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res)
+static int tcf_gact(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
{
struct tcf_gact *gact = a->priv;
int action = TC_ACT_SHOT;
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 9fc211a1b20..60f8f616e8f 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -195,7 +195,7 @@ static int tcf_ipt_cleanup(struct tc_action *a, int bind)
return tcf_ipt_release(ipt, bind);
}
-static int tcf_ipt(struct sk_buff *skb, struct tc_action *a,
+static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
int ret = 0, result = 0;
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 961386e2f2c..102fc212cd6 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -154,7 +154,7 @@ static int tcf_mirred_cleanup(struct tc_action *a, int bind)
return 0;
}
-static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
+static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_mirred *m = a->priv;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 762b027650a..001d1b35486 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -102,7 +102,7 @@ static int tcf_nat_cleanup(struct tc_action *a, int bind)
return tcf_hash_release(&p->common, bind, &nat_hash_info);
}
-static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
+static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_nat *p = a->priv;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 7affe9a9275..10d3aed8656 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -120,7 +120,7 @@ static int tcf_pedit_cleanup(struct tc_action *a, int bind)
return 0;
}
-static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
+static int tcf_pedit(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_pedit *p = a->priv;
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index b3b9b32f4e0..6fb3f5af0f8 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -282,7 +282,7 @@ static int tcf_act_police_cleanup(struct tc_action *a, int bind)
return ret;
}
-static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
+static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_police *police = a->priv;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index a34a22de60b..73e0a3ab4d5 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -36,7 +36,8 @@ static struct tcf_hashinfo simp_hash_info = {
};
#define SIMP_MAX_DATA 32
-static int tcf_simp(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res)
+static int tcf_simp(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
{
struct tcf_defact *d = a->priv;
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 5f6f0c7c390..35dbbe91027 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -39,7 +39,7 @@ static struct tcf_hashinfo skbedit_hash_info = {
.lock = &skbedit_lock,
};
-static int tcf_skbedit(struct sk_buff *skb, struct tc_action *a,
+static int tcf_skbedit(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
struct tcf_skbedit *d = a->priv;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index bb2c523f815..a69d44f1dac 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -40,9 +40,9 @@ static DEFINE_RWLOCK(cls_mod_lock);
/* Find classifier type by string name */
-static struct tcf_proto_ops *tcf_proto_lookup_ops(struct nlattr *kind)
+static const struct tcf_proto_ops *tcf_proto_lookup_ops(struct nlattr *kind)
{
- struct tcf_proto_ops *t = NULL;
+ const struct tcf_proto_ops *t = NULL;
if (kind) {
read_lock(&cls_mod_lock);
@@ -132,7 +132,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
struct Qdisc *q;
struct tcf_proto **back, **chain;
struct tcf_proto *tp;
- struct tcf_proto_ops *tp_ops;
+ const struct tcf_proto_ops *tp_ops;
const struct Qdisc_class_ops *cops;
unsigned long cl;
unsigned long fh;
@@ -610,10 +610,10 @@ EXPORT_SYMBOL(tcf_exts_dump_stats);
static int __init tc_filter_init(void)
{
- rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL);
+ rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL, NULL);
rtnl_register(PF_UNSPEC, RTM_GETTFILTER, tc_ctl_tfilter,
- tc_dump_tfilter);
+ tc_dump_tfilter, NULL);
return 0;
}
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 8be8872dd57..ea1f70b5a5f 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -39,7 +39,7 @@ static const struct tcf_ext_map basic_ext_map = {
.police = TCA_BASIC_POLICE
};
-static int basic_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
int r;
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 32a335194ca..f84fdc3a7f2 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -101,7 +101,7 @@ struct cls_cgroup_head {
struct tcf_ematch_tree ematches;
};
-static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct cls_cgroup_head *head = tp->root;
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 8ec01391d98..6994214db8f 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -121,7 +121,7 @@ static u32 flow_get_proto_src(struct sk_buff *skb)
if (!pskb_network_may_pull(skb, sizeof(*iph)))
break;
iph = ip_hdr(skb);
- if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&
@@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(struct sk_buff *skb)
if (!pskb_network_may_pull(skb, sizeof(*iph)))
break;
iph = ip_hdr(skb);
- if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&
@@ -356,7 +356,7 @@ static u32 flow_key_get(struct sk_buff *skb, int key)
}
}
-static int flow_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int flow_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct flow_head *head = tp->root;
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 26e7bc4ffb7..389af152ec4 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -77,7 +77,7 @@ static inline int fw_hash(u32 handle)
return handle & (HTSIZE - 1);
}
-static int fw_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct fw_head *head = (struct fw_head *)tp->root;
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index a907905376d..13ab66e9df5 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -125,7 +125,7 @@ static inline int route4_hash_wild(void)
return 0; \
}
-static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int route4_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct route4_head *head = (struct route4_head *)tp->root;
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 402c44b241a..be4505ee67a 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -130,7 +130,7 @@ static struct tcf_ext_map rsvp_ext_map = {
return r; \
}
-static int rsvp_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct rsvp_session **sht = ((struct rsvp_head *)tp->root)->ht;
@@ -167,7 +167,7 @@ restart:
dst = &nhptr->daddr;
protocol = nhptr->protocol;
xprt = ((u8 *)nhptr) + (nhptr->ihl<<2);
- if (nhptr->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(nhptr))
return -1;
#endif
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 36667fa6423..dbe199234c6 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -79,7 +79,7 @@ tcindex_lookup(struct tcindex_data *p, u16 key)
}
-static int tcindex_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct tcindex_data *p = PRIV(tp);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 3b93fc0c895..939b627b479 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -93,7 +93,7 @@ static inline unsigned int u32_hash_fold(__be32 key,
return h;
}
-static int u32_classify(struct sk_buff *skb, struct tcf_proto *tp, struct tcf_result *res)
+static int u32_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res)
{
struct {
struct tc_u_knode *knode;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 49130e8abff..1363bf14e61 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -404,12 +404,6 @@ META_COLLECTOR(int_sk_alloc)
dst->value = (__force int) skb->sk->sk_allocation;
}
-META_COLLECTOR(int_sk_route_caps)
-{
- SKIP_NONLOCAL(skb);
- dst->value = skb->sk->sk_route_caps;
-}
-
META_COLLECTOR(int_sk_hash)
{
SKIP_NONLOCAL(skb);
@@ -530,7 +524,6 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX + 1][TCF_META_ID_MAX + 1] =
[META_ID(SK_ERR_QLEN)] = META_FUNC(int_sk_err_qlen),
[META_ID(SK_FORWARD_ALLOCS)] = META_FUNC(int_sk_fwd_alloc),
[META_ID(SK_ALLOCS)] = META_FUNC(int_sk_alloc),
- [META_ID(SK_ROUTE_CAPS)] = META_FUNC(int_sk_route_caps),
[META_ID(SK_HASH)] = META_FUNC(int_sk_hash),
[META_ID(SK_LINGERTIME)] = META_FUNC(int_sk_lingertime),
[META_ID(SK_ACK_BACKLOG)] = META_FUNC(int_sk_ack_bl),
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 6b8627661c9..dca6c1a576f 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1644,7 +1644,7 @@ done:
* to this qdisc, (optionally) tests for protocol and asks
* specific classifiers.
*/
-int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
+int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
__be16 protocol = skb->protocol;
@@ -1668,12 +1668,12 @@ int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
}
EXPORT_SYMBOL(tc_classify_compat);
-int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,
+int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
int err = 0;
#ifdef CONFIG_NET_CLS_ACT
- struct tcf_proto *otp = tp;
+ const struct tcf_proto *otp = tp;
reclassify:
#endif
@@ -1792,12 +1792,12 @@ static int __init pktsched_init(void)
register_qdisc(&pfifo_head_drop_qdisc_ops);
register_qdisc(&mq_qdisc_ops);
- rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc);
- rtnl_register(PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL);
- rtnl_register(PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL);
- rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass);
+ rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc, NULL);
+ rtnl_register(PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass, NULL);
return 0;
}
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 3f08158b868..e25e49061a0 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -5,6 +5,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/skbuff.h>
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 06afbaeb4c8..3422b25df9e 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -181,7 +181,7 @@ static bool choke_match_flow(struct sk_buff *skb1,
ip1->saddr != ip2->saddr || ip1->daddr != ip2->daddr)
return false;
- if ((ip1->frag_off | ip2->frag_off) & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(ip1) | ip_is_fragment(ip2))
ip_proto = 0;
off1 += ip1->ihl * 4;
off2 += ip2->ihl * 4;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b4c680900d7..69fca279880 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -189,15 +189,15 @@ static inline int qdisc_restart(struct Qdisc *q)
void __qdisc_run(struct Qdisc *q)
{
- unsigned long start_time = jiffies;
+ int quota = weight_p;
while (qdisc_restart(q)) {
/*
- * Postpone processing if
- * 1. another process needs the CPU;
- * 2. we've been doing it for too long.
+ * Ordered by possible occurrence: Postpone processing if
+ * 1. we've exceeded packet quota
+ * 2. another process needs the CPU;
*/
- if (need_resched() || jiffies != start_time) {
+ if (--quota <= 0 || need_resched()) {
__netif_schedule(q);
break;
}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 69c35f6cd13..eb3b9a86c6e 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -13,6 +13,7 @@
* Catalin(ux aka Dino) BOIE <catab at umbrella dot ro>
*/
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/types.h>
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index b6ea6afa55b..4536ee64383 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -157,7 +157,7 @@ static unsigned int sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
iph = ip_hdr(skb);
h = (__force u32)iph->daddr;
h2 = (__force u32)iph->saddr ^ iph->protocol;
- if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+ if (ip_is_fragment(iph))
break;
poff = proto_ports_offset(iph->protocol);
if (poff >= 0 &&
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 45cd30098e3..a3b7120fcc7 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -229,7 +229,7 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *
{
struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);
struct teql_sched_data *q = qdisc_priv(dev_queue->qdisc);
- struct neighbour *mn = skb_dst(skb)->neighbour;
+ struct neighbour *mn = dst_get_neighbour(skb_dst(skb));
struct neighbour *n = q->ncache;
if (mn->tbl == NULL)
@@ -270,7 +270,7 @@ static inline int teql_resolve(struct sk_buff *skb,
if (dev->header_ops == NULL ||
skb_dst(skb) == NULL ||
- skb_dst(skb)->neighbour == NULL)
+ dst_get_neighbour(skb_dst(skb)) == NULL)
return 0;
return __teql_resolve(skb, skb_res, dev);
}
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 4a62888f2e4..dc16b90ddb6 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -280,6 +280,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
asoc->peer.asconf_capable = 0;
if (sctp_addip_noauth)
asoc->peer.asconf_capable = 1;
+ asoc->asconf_addr_del_pending = NULL;
+ asoc->src_out_of_asoc_ok = 0;
/* Create an input queue. */
sctp_inq_init(&asoc->base.inqueue);
@@ -446,6 +448,10 @@ void sctp_association_free(struct sctp_association *asoc)
sctp_asconf_queue_teardown(asoc);
+ /* Free pending address space being deleted */
+ if (asoc->asconf_addr_del_pending != NULL)
+ kfree(asoc->asconf_addr_del_pending);
+
/* AUTH - Free the endpoint shared keys */
sctp_auth_destroy_keys(&asoc->endpoint_shared_keys);
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index 83e3011c19c..4ece451c8d2 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -430,7 +430,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr *bp,
list_for_each_entry(laddr, &bp->address_list, list) {
addr_buf = (union sctp_addr *)addrs;
for (i = 0; i < addrcnt; i++) {
- addr = (union sctp_addr *)addr_buf;
+ addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
if (!af)
break;
@@ -534,6 +534,21 @@ int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope)
return 0;
}
+int sctp_is_ep_boundall(struct sock *sk)
+{
+ struct sctp_bind_addr *bp;
+ struct sctp_sockaddr_entry *addr;
+
+ bp = &sctp_sk(sk)->ep->base.bind_addr;
+ if (sctp_list_single_entry(&bp->address_list)) {
+ addr = list_entry(bp->address_list.next,
+ struct sctp_sockaddr_entry, list);
+ if (sctp_is_any(sk, &addr->a))
+ return 1;
+ }
+ return 0;
+}
+
/********************************************************************
* 3rd Level Abstractions
********************************************************************/
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 741ed164883..b7692aab6e9 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -510,8 +510,7 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
* discard the packet.
*/
if (vtag == 0) {
- chunkhdr = (struct sctp_init_chunk *)((void *)sctphdr
- + sizeof(struct sctphdr));
+ chunkhdr = (void *)sctphdr + sizeof(struct sctphdr);
if (len < sizeof(struct sctphdr) + sizeof(sctp_chunkhdr_t)
+ sizeof(__be32) ||
chunkhdr->chunk_hdr.type != SCTP_CID_INIT ||
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 0bb0d7cb9f1..aabaee41dd3 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -112,6 +112,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
addr->valid = 1;
spin_lock_bh(&sctp_local_addr_lock);
list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
+ sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
spin_unlock_bh(&sctp_local_addr_lock);
}
break;
@@ -122,6 +123,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
if (addr->a.sa.sa_family == AF_INET6 &&
ipv6_addr_equal(&addr->a.v6.sin6_addr,
&ifa->addr)) {
+ sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
found = 1;
addr->valid = 0;
list_del_rcu(&addr->list);
diff --git a/net/sctp/output.c b/net/sctp/output.c
index b4f3cf06d8d..08b3cead650 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -500,23 +500,20 @@ int sctp_packet_transmit(struct sctp_packet *packet)
* Note: Adler-32 is no longer applicable, as has been replaced
* by CRC32-C as described in <draft-ietf-tsvwg-sctpcsum-02.txt>.
*/
- if (!sctp_checksum_disable &&
- !(dst->dev->features & (NETIF_F_NO_CSUM | NETIF_F_SCTP_CSUM))) {
- __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
+ if (!sctp_checksum_disable) {
+ if (!(dst->dev->features & NETIF_F_SCTP_CSUM)) {
+ __u32 crc32 = sctp_start_cksum((__u8 *)sh, cksum_buf_len);
- /* 3) Put the resultant value into the checksum field in the
- * common header, and leave the rest of the bits unchanged.
- */
- sh->checksum = sctp_end_cksum(crc32);
- } else {
- if (dst->dev->features & NETIF_F_SCTP_CSUM) {
+ /* 3) Put the resultant value into the checksum field in the
+ * common header, and leave the rest of the bits unchanged.
+ */
+ sh->checksum = sctp_end_cksum(crc32);
+ } else {
/* no need to seed pseudo checksum for SCTP */
nskb->ip_summed = CHECKSUM_PARTIAL;
nskb->csum_start = (skb_transport_header(nskb) -
nskb->head);
nskb->csum_offset = offsetof(struct sctphdr, checksum);
- } else {
- nskb->ip_summed = CHECKSUM_UNNECESSARY;
}
}
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 1c88c8911dc..a6d27bf563a 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -754,6 +754,16 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
*/
list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
+ /* RFC 5061, 5.3
+ * F1) This means that until such time as the ASCONF
+ * containing the add is acknowledged, the sender MUST
+ * NOT use the new IP address as a source for ANY SCTP
+ * packet except on carrying an ASCONF Chunk.
+ */
+ if (asoc->src_out_of_asoc_ok &&
+ chunk->chunk_hdr->type != SCTP_CID_ASCONF)
+ continue;
+
list_del_init(&chunk->list);
/* Pick the right transport to use. */
@@ -881,6 +891,9 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
}
}
+ if (q->asoc->src_out_of_asoc_ok)
+ goto sctp_flush_out;
+
/* Is it OK to send data chunks? */
switch (asoc->state) {
case SCTP_STATE_COOKIE_ECHOED:
@@ -1582,6 +1595,8 @@ static void sctp_check_transmitted(struct sctp_outq *q,
#endif /* SCTP_DEBUG */
if (transport) {
if (bytes_acked) {
+ struct sctp_association *asoc = transport->asoc;
+
/* We may have counted DATA that was migrated
* to this transport due to DEL-IP operation.
* Subtract those bytes, since the were never
@@ -1600,6 +1615,17 @@ static void sctp_check_transmitted(struct sctp_outq *q,
transport->error_count = 0;
transport->asoc->overall_error_count = 0;
+ /*
+ * While in SHUTDOWN PENDING, we may have started
+ * the T5 shutdown guard timer after reaching the
+ * retransmission limit. Stop that timer as soon
+ * as the receiver acknowledged any data.
+ */
+ if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING &&
+ del_timer(&asoc->timers
+ [SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]))
+ sctp_association_put(asoc);
+
/* Mark the destination transport address as
* active if it is not so marked.
*/
@@ -1629,10 +1655,15 @@ static void sctp_check_transmitted(struct sctp_outq *q,
* A sender is doing zero window probing when the
* receiver's advertised window is zero, and there is
* only one data chunk in flight to the receiver.
+ *
+ * Allow the association to timeout while in SHUTDOWN
+ * PENDING or SHUTDOWN RECEIVED in case the receiver
+ * stays in zero window mode forever.
*/
if (!q->asoc->peer.rwnd &&
!list_empty(&tlist) &&
- (sack_ctsn+2 == q->asoc->next_tsn)) {
+ (sack_ctsn+2 == q->asoc->next_tsn) &&
+ q->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) {
SCTP_DEBUG_PRINTK("%s: SACK received for zero "
"window probe: %u\n",
__func__, sack_ctsn);
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 67380a29e2e..91784f44a2e 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -503,7 +503,9 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
sctp_v4_dst_saddr(&dst_saddr, fl4, htons(bp->port));
rcu_read_lock();
list_for_each_entry_rcu(laddr, &bp->address_list, list) {
- if (!laddr->valid || (laddr->state != SCTP_ADDR_SRC))
+ if (!laddr->valid || (laddr->state == SCTP_ADDR_DEL) ||
+ (laddr->state != SCTP_ADDR_SRC &&
+ !asoc->src_out_of_asoc_ok))
continue;
if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a))
goto out_unlock;
@@ -623,6 +625,143 @@ static void sctp_v4_ecn_capable(struct sock *sk)
INET_ECN_xmit(sk);
}
+void sctp_addr_wq_timeout_handler(unsigned long arg)
+{
+ struct sctp_sockaddr_entry *addrw, *temp;
+ struct sctp_sock *sp;
+
+ spin_lock_bh(&sctp_addr_wq_lock);
+
+ list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+ SCTP_DEBUG_PRINTK_IPADDR("sctp_addrwq_timo_handler: the first ent in wq %p is ",
+ " for cmd %d at entry %p\n", &sctp_addr_waitq, &addrw->a, addrw->state,
+ addrw);
+
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+ /* Now we send an ASCONF for each association */
+ /* Note. we currently don't handle link local IPv6 addressees */
+ if (addrw->a.sa.sa_family == AF_INET6) {
+ struct in6_addr *in6;
+
+ if (ipv6_addr_type(&addrw->a.v6.sin6_addr) &
+ IPV6_ADDR_LINKLOCAL)
+ goto free_next;
+
+ in6 = (struct in6_addr *)&addrw->a.v6.sin6_addr;
+ if (ipv6_chk_addr(&init_net, in6, NULL, 0) == 0 &&
+ addrw->state == SCTP_ADDR_NEW) {
+ unsigned long timeo_val;
+
+ SCTP_DEBUG_PRINTK("sctp_timo_handler: this is on DAD, trying %d sec later\n",
+ SCTP_ADDRESS_TICK_DELAY);
+ timeo_val = jiffies;
+ timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
+ mod_timer(&sctp_addr_wq_timer, timeo_val);
+ break;
+ }
+ }
+#endif
+ list_for_each_entry(sp, &sctp_auto_asconf_splist, auto_asconf_list) {
+ struct sock *sk;
+
+ sk = sctp_opt2sk(sp);
+ /* ignore bound-specific endpoints */
+ if (!sctp_is_ep_boundall(sk))
+ continue;
+ sctp_bh_lock_sock(sk);
+ if (sctp_asconf_mgmt(sp, addrw) < 0)
+ SCTP_DEBUG_PRINTK("sctp_addrwq_timo_handler: sctp_asconf_mgmt failed\n");
+ sctp_bh_unlock_sock(sk);
+ }
+free_next:
+ list_del(&addrw->list);
+ kfree(addrw);
+ }
+ spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
+static void sctp_free_addr_wq(void)
+{
+ struct sctp_sockaddr_entry *addrw;
+ struct sctp_sockaddr_entry *temp;
+
+ spin_lock_bh(&sctp_addr_wq_lock);
+ del_timer(&sctp_addr_wq_timer);
+ list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+ list_del(&addrw->list);
+ kfree(addrw);
+ }
+ spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
+/* lookup the entry for the same address in the addr_waitq
+ * sctp_addr_wq MUST be locked
+ */
+static struct sctp_sockaddr_entry *sctp_addr_wq_lookup(struct sctp_sockaddr_entry *addr)
+{
+ struct sctp_sockaddr_entry *addrw;
+
+ list_for_each_entry(addrw, &sctp_addr_waitq, list) {
+ if (addrw->a.sa.sa_family != addr->a.sa.sa_family)
+ continue;
+ if (addrw->a.sa.sa_family == AF_INET) {
+ if (addrw->a.v4.sin_addr.s_addr ==
+ addr->a.v4.sin_addr.s_addr)
+ return addrw;
+ } else if (addrw->a.sa.sa_family == AF_INET6) {
+ if (ipv6_addr_equal(&addrw->a.v6.sin6_addr,
+ &addr->a.v6.sin6_addr))
+ return addrw;
+ }
+ }
+ return NULL;
+}
+
+void sctp_addr_wq_mgmt(struct sctp_sockaddr_entry *addr, int cmd)
+{
+ struct sctp_sockaddr_entry *addrw;
+ unsigned long timeo_val;
+
+ /* first, we check if an opposite message already exist in the queue.
+ * If we found such message, it is removed.
+ * This operation is a bit stupid, but the DHCP client attaches the
+ * new address after a couple of addition and deletion of that address
+ */
+
+ spin_lock_bh(&sctp_addr_wq_lock);
+ /* Offsets existing events in addr_wq */
+ addrw = sctp_addr_wq_lookup(addr);
+ if (addrw) {
+ if (addrw->state != cmd) {
+ SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt offsets existing entry for %d ",
+ " in wq %p\n", addrw->state, &addrw->a,
+ &sctp_addr_waitq);
+ list_del(&addrw->list);
+ kfree(addrw);
+ }
+ spin_unlock_bh(&sctp_addr_wq_lock);
+ return;
+ }
+
+ /* OK, we have to add the new address to the wait queue */
+ addrw = kmemdup(addr, sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+ if (addrw == NULL) {
+ spin_unlock_bh(&sctp_addr_wq_lock);
+ return;
+ }
+ addrw->state = cmd;
+ list_add_tail(&addrw->list, &sctp_addr_waitq);
+ SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt add new entry for cmd:%d ",
+ " in wq %p\n", addrw->state, &addrw->a, &sctp_addr_waitq);
+
+ if (!timer_pending(&sctp_addr_wq_timer)) {
+ timeo_val = jiffies;
+ timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
+ mod_timer(&sctp_addr_wq_timer, timeo_val);
+ }
+ spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
/* Event handler for inet address addition/deletion events.
* The sctp_local_addr_list needs to be protocted by a spin lock since
* multiple notifiers (say IPv4 and IPv6) may be running at the same
@@ -650,6 +789,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
addr->valid = 1;
spin_lock_bh(&sctp_local_addr_lock);
list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
+ sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
spin_unlock_bh(&sctp_local_addr_lock);
}
break;
@@ -660,6 +800,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
if (addr->a.sa.sa_family == AF_INET &&
addr->a.v4.sin_addr.s_addr ==
ifa->ifa_local) {
+ sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
found = 1;
addr->valid = 0;
list_del_rcu(&addr->list);
@@ -1058,7 +1199,6 @@ SCTP_STATIC __init int sctp_init(void)
int status = -EINVAL;
unsigned long goal;
unsigned long limit;
- unsigned long nr_pages;
int max_share;
int order;
@@ -1148,15 +1288,7 @@ SCTP_STATIC __init int sctp_init(void)
/* Initialize handle used for association ids. */
idr_init(&sctp_assocs_id);
- /* Set the pressure threshold to be a fraction of global memory that
- * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
- * memory, with a floor of 128 pages.
- * Note this initializes the data in sctpv6_prot too
- * Unabashedly stolen from tcp_init
- */
- nr_pages = totalram_pages - totalhigh_pages;
- limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
- limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+ limit = nr_free_buffer_pages() / 8;
limit = max(limit, 128UL);
sysctl_sctp_mem[0] = limit / 4 * 3;
sysctl_sctp_mem[1] = limit;
@@ -1242,6 +1374,7 @@ SCTP_STATIC __init int sctp_init(void)
/* Disable ADDIP by default. */
sctp_addip_enable = 0;
sctp_addip_noauth = 0;
+ sctp_default_auto_asconf = 0;
/* Enable PR-SCTP by default. */
sctp_prsctp_enable = 1;
@@ -1266,6 +1399,13 @@ SCTP_STATIC __init int sctp_init(void)
spin_lock_init(&sctp_local_addr_lock);
sctp_get_local_addr_list();
+ /* Initialize the address event list */
+ INIT_LIST_HEAD(&sctp_addr_waitq);
+ INIT_LIST_HEAD(&sctp_auto_asconf_splist);
+ spin_lock_init(&sctp_addr_wq_lock);
+ sctp_addr_wq_timer.expires = 0;
+ setup_timer(&sctp_addr_wq_timer, sctp_addr_wq_timeout_handler, 0);
+
status = sctp_v4_protosw_init();
if (status)
@@ -1337,6 +1477,7 @@ SCTP_STATIC __exit void sctp_exit(void)
/* Unregister with inet6/inet layers. */
sctp_v6_del_protocol();
sctp_v4_del_protocol();
+ sctp_free_addr_wq();
/* Free the control endpoint. */
inet_ctl_sock_destroy(sctp_ctl_sock);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 58eb27fed4b..81db4e38535 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2768,11 +2768,12 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
int addr_param_len = 0;
int totallen = 0;
int i;
+ int del_pickup = 0;
/* Get total length of all the address parameters. */
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- addr = (union sctp_addr *)addr_buf;
+ addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
addr_param_len = af->to_addr_param(addr, &addr_param);
@@ -2780,6 +2781,13 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
totallen += addr_param_len;
addr_buf += af->sockaddr_len;
+ if (asoc->asconf_addr_del_pending && !del_pickup) {
+ /* reuse the parameter length from the same scope one */
+ totallen += paramlen;
+ totallen += addr_param_len;
+ del_pickup = 1;
+ SCTP_DEBUG_PRINTK("mkasconf_update_ip: picked same-scope del_pending addr, totallen for all addresses is %d\n", totallen);
+ }
}
/* Create an asconf chunk with the required length. */
@@ -2790,7 +2798,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
/* Add the address parameters to the asconf chunk. */
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- addr = (union sctp_addr *)addr_buf;
+ addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
addr_param_len = af->to_addr_param(addr, &addr_param);
param.param_hdr.type = flags;
@@ -2802,6 +2810,17 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
addr_buf += af->sockaddr_len;
}
+ if (flags == SCTP_PARAM_ADD_IP && del_pickup) {
+ addr = asoc->asconf_addr_del_pending;
+ af = sctp_get_af_specific(addr->v4.sin_family);
+ addr_param_len = af->to_addr_param(addr, &addr_param);
+ param.param_hdr.type = SCTP_PARAM_DEL_IP;
+ param.param_hdr.length = htons(paramlen + addr_param_len);
+ param.crr_id = i;
+
+ sctp_addto_chunk(retval, paramlen, &param);
+ sctp_addto_chunk(retval, addr_param_len, &addr_param);
+ }
return retval;
}
@@ -2939,8 +2958,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
union sctp_addr addr;
union sctp_addr_param *addr_param;
- addr_param = (union sctp_addr_param *)
- ((void *)asconf_param + sizeof(sctp_addip_param_t));
+ addr_param = (void *)asconf_param + sizeof(sctp_addip_param_t);
if (asconf_param->param_hdr.type != SCTP_PARAM_ADD_IP &&
asconf_param->param_hdr.type != SCTP_PARAM_DEL_IP &&
@@ -3014,7 +3032,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
* an Error Cause TLV set to the new error code 'Request to
* Delete Source IP Address'
*/
- if (sctp_cmp_addr_exact(sctp_source(asconf), &addr))
+ if (sctp_cmp_addr_exact(&asconf->source, &addr))
return SCTP_ERROR_DEL_SRC_IP;
/* Section 4.2.2
@@ -3125,7 +3143,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
* asconf parameter.
*/
length = ntohs(addr_param->p.length);
- asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
+ asconf_param = (void *)addr_param + length;
chunk_len -= length;
/* create an ASCONF_ACK chunk.
@@ -3166,8 +3184,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
/* Move to the next ASCONF param. */
length = ntohs(asconf_param->param_hdr.length);
- asconf_param = (sctp_addip_param_t *)((void *)asconf_param +
- length);
+ asconf_param = (void *)asconf_param + length;
chunk_len -= length;
}
@@ -3197,8 +3214,7 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
struct sctp_transport *transport;
struct sctp_sockaddr_entry *saddr;
- addr_param = (union sctp_addr_param *)
- ((void *)asconf_param + sizeof(sctp_addip_param_t));
+ addr_param = (void *)asconf_param + sizeof(sctp_addip_param_t);
/* We have checked the packet before, so we do not check again. */
af = sctp_get_af_specific(param_type2af(addr_param->p.type));
@@ -3224,6 +3240,11 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
case SCTP_PARAM_DEL_IP:
local_bh_disable();
sctp_del_bind_addr(bp, &addr);
+ if (asoc->asconf_addr_del_pending != NULL &&
+ sctp_cmp_addr_exact(asoc->asconf_addr_del_pending, &addr)) {
+ kfree(asoc->asconf_addr_del_pending);
+ asoc->asconf_addr_del_pending = NULL;
+ }
local_bh_enable();
list_for_each_entry(transport, &asoc->peer.transport_addr_list,
transports) {
@@ -3278,8 +3299,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
return SCTP_ERROR_NO_ERROR;
case SCTP_PARAM_ERR_CAUSE:
length = sizeof(sctp_addip_param_t);
- err_param = (sctp_errhdr_t *)
- ((void *)asconf_ack_param + length);
+ err_param = (void *)asconf_ack_param + length;
asconf_ack_len -= length;
if (asconf_ack_len > 0)
return err_param->cause;
@@ -3292,8 +3312,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
}
length = ntohs(asconf_ack_param->param_hdr.length);
- asconf_ack_param = (sctp_addip_param_t *)
- ((void *)asconf_ack_param + length);
+ asconf_ack_param = (void *)asconf_ack_param + length;
asconf_ack_len -= length;
}
@@ -3325,7 +3344,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
* pointer to the first asconf parameter.
*/
length = ntohs(addr_param->p.length);
- asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
+ asconf_param = (void *)addr_param + length;
asconf_len -= length;
/* ADDIP 4.1
@@ -3376,11 +3395,13 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
* one.
*/
length = ntohs(asconf_param->param_hdr.length);
- asconf_param = (sctp_addip_param_t *)((void *)asconf_param +
- length);
+ asconf_param = (void *)asconf_param + length;
asconf_len -= length;
}
+ if (no_err && asoc->src_out_of_asoc_ok)
+ asoc->src_out_of_asoc_ok = 0;
+
/* Free the cached last sent asconf chunk. */
list_del_init(&asconf->transmitted_list);
sctp_chunk_free(asconf);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 534c2e5feb0..167c880cf8d 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -670,10 +670,19 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
/* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the
* HEARTBEAT should clear the error counter of the destination
* transport address to which the HEARTBEAT was sent.
- * The association's overall error count is also cleared.
*/
t->error_count = 0;
- t->asoc->overall_error_count = 0;
+
+ /*
+ * Although RFC4960 specifies that the overall error count must
+ * be cleared when a HEARTBEAT ACK is received, we make an
+ * exception while in SHUTDOWN PENDING. If the peer keeps its
+ * window shut forever, we may never be able to transmit our
+ * outstanding data and rely on the retransmission limit be reached
+ * to shutdown the association.
+ */
+ if (t->asoc->state != SCTP_STATE_SHUTDOWN_PENDING)
+ t->asoc->overall_error_count = 0;
/* Clear the hb_sent flag to signal that we had a good
* acknowledgement.
@@ -1201,7 +1210,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
int local_cork = 0;
if (SCTP_EVENT_T_TIMEOUT != event_type)
- chunk = (struct sctp_chunk *) event_arg;
+ chunk = event_arg;
/* Note: This whole file is a huge candidate for rework.
* For example, each command could either have its own handler, so
@@ -1437,6 +1446,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
sctp_cmd_setup_t2(commands, asoc, cmd->obj.ptr);
break;
+ case SCTP_CMD_TIMER_START_ONCE:
+ timer = &asoc->timers[cmd->obj.to];
+
+ if (timer_pending(timer))
+ break;
+ /* fall through */
+
case SCTP_CMD_TIMER_START:
timer = &asoc->timers[cmd->obj.to];
timeout = asoc->timeouts[cmd->obj.to];
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index a297283154d..49b847b00f9 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4008,31 +4008,32 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
auth_hdr = (struct sctp_authhdr *)chunk->skb->data;
error = sctp_sf_authenticate(ep, asoc, type, chunk);
switch (error) {
- case SCTP_IERROR_AUTH_BAD_HMAC:
- /* Generate the ERROR chunk and discard the rest
- * of the packet
- */
- err_chunk = sctp_make_op_error(asoc, chunk,
- SCTP_ERROR_UNSUP_HMAC,
- &auth_hdr->hmac_id,
- sizeof(__u16), 0);
- if (err_chunk) {
- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
- SCTP_CHUNK(err_chunk));
- }
- /* Fall Through */
- case SCTP_IERROR_AUTH_BAD_KEYID:
- case SCTP_IERROR_BAD_SIG:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
- break;
- case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
- commands);
- break;
- case SCTP_IERROR_NOMEM:
- return SCTP_DISPOSITION_NOMEM;
- default:
- break;
+ case SCTP_IERROR_AUTH_BAD_HMAC:
+ /* Generate the ERROR chunk and discard the rest
+ * of the packet
+ */
+ err_chunk = sctp_make_op_error(asoc, chunk,
+ SCTP_ERROR_UNSUP_HMAC,
+ &auth_hdr->hmac_id,
+ sizeof(__u16), 0);
+ if (err_chunk) {
+ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
+ SCTP_CHUNK(err_chunk));
+ }
+ /* Fall Through */
+ case SCTP_IERROR_AUTH_BAD_KEYID:
+ case SCTP_IERROR_BAD_SIG:
+ return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+
+ case SCTP_IERROR_PROTO_VIOLATION:
+ return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ commands);
+
+ case SCTP_IERROR_NOMEM:
+ return SCTP_DISPOSITION_NOMEM;
+
+ default: /* Prevent gcc warnings */
+ break;
}
if (asoc->active_key_id != ntohs(auth_hdr->shkey_id)) {
@@ -5154,7 +5155,7 @@ sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
* The sender of the SHUTDOWN MAY also start an overall guard timer
* 'T5-shutdown-guard' to bound the overall time for shutdown sequence.
*/
- sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START,
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
if (asoc->autoclose)
@@ -5299,14 +5300,28 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS);
if (asoc->overall_error_count >= asoc->max_retrans) {
- sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
- SCTP_ERROR(ETIMEDOUT));
- /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
- sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
- SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
- return SCTP_DISPOSITION_DELETE_TCB;
+ if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
+ /*
+ * We are here likely because the receiver had its rwnd
+ * closed for a while and we have not been able to
+ * transmit the locally queued data within the maximum
+ * retransmission attempts limit. Start the T5
+ * shutdown guard timer to give the receiver one last
+ * chance and some additional time to recover before
+ * aborting.
+ */
+ sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START_ONCE,
+ SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
+ } else {
+ sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
+ SCTP_ERROR(ETIMEDOUT));
+ /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
+ sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
+ SCTP_PERR(SCTP_ERROR_NO_ERROR));
+ SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ return SCTP_DISPOSITION_DELETE_TCB;
+ }
}
/* E1) For the destination address for which the timer
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 0338dc6fdc9..7c211a7f90f 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -827,7 +827,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
/* SCTP_STATE_ESTABLISHED */ \
TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
/* SCTP_STATE_SHUTDOWN_PENDING */ \
- TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
+ TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
/* SCTP_STATE_SHUTDOWN_SENT */ \
TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6766913a53e..836aa63ee12 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -476,7 +476,7 @@ static int sctp_bindx_add(struct sock *sk, struct sockaddr *addrs, int addrcnt)
/* The list may contain either IPv4 or IPv6 address;
* determine the address length for walking thru the list.
*/
- sa_addr = (struct sockaddr *)addr_buf;
+ sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa_family);
if (!af) {
retval = -EINVAL;
@@ -555,7 +555,7 @@ static int sctp_send_asconf_add_ip(struct sock *sk,
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- addr = (union sctp_addr *)addr_buf;
+ addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
if (!af) {
retval = -EINVAL;
@@ -583,22 +583,35 @@ static int sctp_send_asconf_add_ip(struct sock *sk,
goto out;
}
- retval = sctp_send_asconf(asoc, chunk);
- if (retval)
- goto out;
-
/* Add the new addresses to the bind address list with
* use_as_src set to 0.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- addr = (union sctp_addr *)addr_buf;
+ addr = addr_buf;
af = sctp_get_af_specific(addr->v4.sin_family);
memcpy(&saveaddr, addr, af->sockaddr_len);
retval = sctp_add_bind_addr(bp, &saveaddr,
SCTP_ADDR_NEW, GFP_ATOMIC);
addr_buf += af->sockaddr_len;
}
+ if (asoc->src_out_of_asoc_ok) {
+ struct sctp_transport *trans;
+
+ list_for_each_entry(trans,
+ &asoc->peer.transport_addr_list, transports) {
+ /* Clear the source and route cache */
+ dst_release(trans->dst);
+ trans->cwnd = min(4*asoc->pathmtu, max_t(__u32,
+ 2*asoc->pathmtu, 4380));
+ trans->ssthresh = asoc->peer.i.a_rwnd;
+ trans->rto = asoc->rto_initial;
+ trans->rtt = trans->srtt = trans->rttvar = 0;
+ sctp_transport_route(trans, NULL,
+ sctp_sk(asoc->base.sk));
+ }
+ }
+ retval = sctp_send_asconf(asoc, chunk);
}
out:
@@ -646,7 +659,7 @@ static int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
goto err_bindx_rem;
}
- sa_addr = (union sctp_addr *)addr_buf;
+ sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa.sa_family);
if (!af) {
retval = -EINVAL;
@@ -715,7 +728,9 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
struct sctp_sockaddr_entry *saddr;
int i;
int retval = 0;
+ int stored = 0;
+ chunk = NULL;
if (!sctp_addip_enable)
return retval;
@@ -743,7 +758,7 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- laddr = (union sctp_addr *)addr_buf;
+ laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
if (!af) {
retval = -EINVAL;
@@ -766,8 +781,37 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
bp = &asoc->base.bind_addr;
laddr = sctp_find_unmatch_addr(bp, (union sctp_addr *)addrs,
addrcnt, sp);
- if (!laddr)
- continue;
+ if ((laddr == NULL) && (addrcnt == 1)) {
+ if (asoc->asconf_addr_del_pending)
+ continue;
+ asoc->asconf_addr_del_pending =
+ kzalloc(sizeof(union sctp_addr), GFP_ATOMIC);
+ if (asoc->asconf_addr_del_pending == NULL) {
+ retval = -ENOMEM;
+ goto out;
+ }
+ asoc->asconf_addr_del_pending->sa.sa_family =
+ addrs->sa_family;
+ asoc->asconf_addr_del_pending->v4.sin_port =
+ htons(bp->port);
+ if (addrs->sa_family == AF_INET) {
+ struct sockaddr_in *sin;
+
+ sin = (struct sockaddr_in *)addrs;
+ asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr;
+ } else if (addrs->sa_family == AF_INET6) {
+ struct sockaddr_in6 *sin6;
+
+ sin6 = (struct sockaddr_in6 *)addrs;
+ ipv6_addr_copy(&asoc->asconf_addr_del_pending->v6.sin6_addr, &sin6->sin6_addr);
+ }
+ SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
+ " at %p\n", asoc, asoc->asconf_addr_del_pending,
+ asoc->asconf_addr_del_pending);
+ asoc->src_out_of_asoc_ok = 1;
+ stored = 1;
+ goto skip_mkasconf;
+ }
/* We do not need RCU protection throughout this loop
* because this is done under a socket lock from the
@@ -780,12 +824,13 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
goto out;
}
+skip_mkasconf:
/* Reset use_as_src flag for the addresses in the bind address
* list that are to be deleted.
*/
addr_buf = addrs;
for (i = 0; i < addrcnt; i++) {
- laddr = (union sctp_addr *)addr_buf;
+ laddr = addr_buf;
af = sctp_get_af_specific(laddr->v4.sin_family);
list_for_each_entry(saddr, &bp->address_list, list) {
if (sctp_cmp_addr_exact(&saddr->a, laddr))
@@ -805,12 +850,37 @@ static int sctp_send_asconf_del_ip(struct sock *sk,
sctp_sk(asoc->base.sk));
}
+ if (stored)
+ /* We don't need to transmit ASCONF */
+ continue;
retval = sctp_send_asconf(asoc, chunk);
}
out:
return retval;
}
+/* set addr events to assocs in the endpoint. ep and addr_wq must be locked */
+int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
+{
+ struct sock *sk = sctp_opt2sk(sp);
+ union sctp_addr *addr;
+ struct sctp_af *af;
+
+ /* It is safe to write port space in caller. */
+ addr = &addrw->a;
+ addr->v4.sin_port = htons(sp->ep->base.bind_addr.port);
+ af = sctp_get_af_specific(addr->sa.sa_family);
+ if (!af)
+ return -EINVAL;
+ if (sctp_verify_addr(sk, addr, af->sockaddr_len))
+ return -EINVAL;
+
+ if (addrw->state == SCTP_ADDR_NEW)
+ return sctp_send_asconf_add_ip(sk, (struct sockaddr *)addr, 1);
+ else
+ return sctp_send_asconf_del_ip(sk, (struct sockaddr *)addr, 1);
+}
+
/* Helper for tunneling sctp_bindx() requests through sctp_setsockopt()
*
* API 8.1
@@ -927,7 +997,7 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
return -EINVAL;
}
- sa_addr = (struct sockaddr *)addr_buf;
+ sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa_family);
/* If the address family is not supported or if this address
@@ -1018,7 +1088,7 @@ static int __sctp_connect(struct sock* sk,
goto out_free;
}
- sa_addr = (union sctp_addr *)addr_buf;
+ sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa.sa_family);
/* If the address family is not supported or if this address
@@ -1384,6 +1454,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
+ unsigned int data_was_unread;
SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
@@ -1393,6 +1464,10 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
ep = sctp_sk(sk)->ep;
+ /* Clean up any skbs sitting on the receive queue. */
+ data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
+ data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
+
/* Walk all associations on an endpoint. */
list_for_each_safe(pos, temp, &ep->asocs) {
asoc = list_entry(pos, struct sctp_association, asocs);
@@ -1410,7 +1485,9 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
}
}
- if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+ if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) ||
+ !skb_queue_empty(&asoc->ulpq.reasm) ||
+ (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
struct sctp_chunk *chunk;
chunk = sctp_make_abort_user(asoc, NULL, 0);
@@ -1420,10 +1497,6 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
sctp_primitive_SHUTDOWN(asoc, NULL);
}
- /* Clean up any skbs sitting on the receive queue. */
- sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
- sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
-
/* On a TCP-style socket, block for at most linger_time if set. */
if (sctp_style(sk, TCP) && timeout)
sctp_wait_for_close(sk, timeout);
@@ -2073,10 +2146,33 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
unsigned int optlen)
{
+ struct sctp_association *asoc;
+ struct sctp_ulpevent *event;
+
if (optlen > sizeof(struct sctp_event_subscribe))
return -EINVAL;
if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
return -EFAULT;
+
+ /*
+ * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT,
+ * if there is no data to be sent or retransmit, the stack will
+ * immediately send up this notification.
+ */
+ if (sctp_ulpevent_type_enabled(SCTP_SENDER_DRY_EVENT,
+ &sctp_sk(sk)->subscribe)) {
+ asoc = sctp_id2assoc(sk, 0);
+
+ if (asoc && sctp_outq_is_empty(&asoc->outqueue)) {
+ event = sctp_ulpevent_make_sender_dry_event(asoc,
+ GFP_ATOMIC);
+ if (!event)
+ return -ENOMEM;
+
+ sctp_ulpq_tail_event(&asoc->ulpq, event);
+ }
+ }
+
return 0;
}
@@ -3187,11 +3283,11 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk,
return -EFAULT;
switch (val.sauth_chunk) {
- case SCTP_CID_INIT:
- case SCTP_CID_INIT_ACK:
- case SCTP_CID_SHUTDOWN_COMPLETE:
- case SCTP_CID_AUTH:
- return -EINVAL;
+ case SCTP_CID_INIT:
+ case SCTP_CID_INIT_ACK:
+ case SCTP_CID_SHUTDOWN_COMPLETE:
+ case SCTP_CID_AUTH:
+ return -EINVAL;
}
/* add this chunk id to the endpoint */
@@ -3334,6 +3430,46 @@ static int sctp_setsockopt_del_key(struct sock *sk,
}
+/*
+ * 8.1.23 SCTP_AUTO_ASCONF
+ *
+ * This option will enable or disable the use of the automatic generation of
+ * ASCONF chunks to add and delete addresses to an existing association. Note
+ * that this option has two caveats namely: a) it only affects sockets that
+ * are bound to all addresses available to the SCTP stack, and b) the system
+ * administrator may have an overriding control that turns the ASCONF feature
+ * off no matter what setting the socket option may have.
+ * This option expects an integer boolean flag, where a non-zero value turns on
+ * the option, and a zero value turns off the option.
+ * Note. In this implementation, socket operation overrides default parameter
+ * being set by sysctl as well as FreeBSD implementation
+ */
+static int sctp_setsockopt_auto_asconf(struct sock *sk, char __user *optval,
+ unsigned int optlen)
+{
+ int val;
+ struct sctp_sock *sp = sctp_sk(sk);
+
+ if (optlen < sizeof(int))
+ return -EINVAL;
+ if (get_user(val, (int __user *)optval))
+ return -EFAULT;
+ if (!sctp_is_ep_boundall(sk) && val)
+ return -EINVAL;
+ if ((val && sp->do_auto_asconf) || (!val && !sp->do_auto_asconf))
+ return 0;
+
+ if (val == 0 && sp->do_auto_asconf) {
+ list_del(&sp->auto_asconf_list);
+ sp->do_auto_asconf = 0;
+ } else if (val && !sp->do_auto_asconf) {
+ list_add_tail(&sp->auto_asconf_list,
+ &sctp_auto_asconf_splist);
+ sp->do_auto_asconf = 1;
+ }
+ return 0;
+}
+
/* API 6.2 setsockopt(), getsockopt()
*
@@ -3481,6 +3617,9 @@ SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
case SCTP_AUTH_DELETE_KEY:
retval = sctp_setsockopt_del_key(sk, optval, optlen);
break;
+ case SCTP_AUTO_ASCONF:
+ retval = sctp_setsockopt_auto_asconf(sk, optval, optlen);
+ break;
default:
retval = -ENOPROTOOPT;
break;
@@ -3763,6 +3902,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
local_bh_disable();
percpu_counter_inc(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+ if (sctp_default_auto_asconf) {
+ list_add_tail(&sp->auto_asconf_list,
+ &sctp_auto_asconf_splist);
+ sp->do_auto_asconf = 1;
+ } else
+ sp->do_auto_asconf = 0;
local_bh_enable();
return 0;
@@ -3771,13 +3916,17 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
/* Cleanup any SCTP per socket resources. */
SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
{
- struct sctp_endpoint *ep;
+ struct sctp_sock *sp;
SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
/* Release our hold on the endpoint. */
- ep = sctp_sk(sk)->ep;
- sctp_endpoint_free(ep);
+ sp = sctp_sk(sk);
+ if (sp->do_auto_asconf) {
+ sp->do_auto_asconf = 0;
+ list_del(&sp->auto_asconf_list);
+ }
+ sctp_endpoint_free(sp->ep);
local_bh_disable();
percpu_counter_dec(&sctp_sockets_allocated);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
@@ -5277,6 +5426,28 @@ static int sctp_getsockopt_assoc_number(struct sock *sk, int len,
}
/*
+ * 8.1.23 SCTP_AUTO_ASCONF
+ * See the corresponding setsockopt entry as description
+ */
+static int sctp_getsockopt_auto_asconf(struct sock *sk, int len,
+ char __user *optval, int __user *optlen)
+{
+ int val = 0;
+
+ if (len < sizeof(int))
+ return -EINVAL;
+
+ len = sizeof(int);
+ if (sctp_sk(sk)->do_auto_asconf && sctp_is_ep_boundall(sk))
+ val = 1;
+ if (put_user(len, optlen))
+ return -EFAULT;
+ if (copy_to_user(optval, &val, len))
+ return -EFAULT;
+ return 0;
+}
+
+/*
* 8.2.6. Get the Current Identifiers of Associations
* (SCTP_GET_ASSOC_ID_LIST)
*
@@ -5460,6 +5631,9 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
case SCTP_GET_ASSOC_ID_LIST:
retval = sctp_getsockopt_assoc_ids(sk, len, optval, optlen);
break;
+ case SCTP_AUTO_ASCONF:
+ retval = sctp_getsockopt_auto_asconf(sk, len, optval, optlen);
+ break;
default:
retval = -ENOPROTOOPT;
break;
@@ -6512,6 +6686,7 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
struct sk_buff *skb, *tmp;
struct sctp_ulpevent *event;
struct sctp_bind_hashbucket *head;
+ struct list_head tmplist;
/* Migrate socket buffer sizes and all the socket level options to the
* new socket.
@@ -6519,7 +6694,12 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
newsk->sk_sndbuf = oldsk->sk_sndbuf;
newsk->sk_rcvbuf = oldsk->sk_rcvbuf;
/* Brute force copy old sctp opt. */
- inet_sk_copy_descendant(newsk, oldsk);
+ if (oldsp->do_auto_asconf) {
+ memcpy(&tmplist, &newsp->auto_asconf_list, sizeof(tmplist));
+ inet_sk_copy_descendant(newsk, oldsk);
+ memcpy(&newsp->auto_asconf_list, &tmplist, sizeof(tmplist));
+ } else
+ inet_sk_copy_descendant(newsk, oldsk);
/* Restore the ep value that was overwritten with the above structure
* copy.
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 50cb57f0919..6b3952961b8 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -183,6 +183,13 @@ static ctl_table sctp_table[] = {
.proc_handler = proc_dointvec,
},
{
+ .procname = "default_auto_asconf",
+ .data = &sctp_default_auto_asconf,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "prsctp_enable",
.data = &sctp_prsctp_enable,
.maxlen = sizeof(int),
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index e70e5fc8789..8a84017834c 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -1081,9 +1081,19 @@ void sctp_ulpevent_free(struct sctp_ulpevent *event)
}
/* Purge the skb lists holding ulpevents. */
-void sctp_queue_purge_ulpevents(struct sk_buff_head *list)
+unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(list)) != NULL)
- sctp_ulpevent_free(sctp_skb2event(skb));
+ unsigned int data_unread = 0;
+
+ while ((skb = skb_dequeue(list)) != NULL) {
+ struct sctp_ulpevent *event = sctp_skb2event(skb);
+
+ if (!sctp_ulpevent_is_notification(event))
+ data_unread += skb->len;
+
+ sctp_ulpevent_free(event);
+ }
+
+ return data_unread;
}
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index cd6e4aa19db..727e506cacd 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -626,7 +626,7 @@ rpcauth_refreshcred(struct rpc_task *task)
if (err < 0)
goto out;
cred = task->tk_rqstp->rq_cred;
- };
+ }
dprintk("RPC: %5u refreshing %s cred %p\n",
task->tk_pid, cred->cr_auth->au_ops->au_name, cred);
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 5daf6cc4fae..364eb45e989 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1421,18 +1421,16 @@ gss_wrap_req(struct rpc_task *task,
goto out;
}
switch (gss_cred->gc_service) {
- case RPC_GSS_SVC_NONE:
- gss_wrap_req_encode(encode, rqstp, p, obj);
- status = 0;
- break;
- case RPC_GSS_SVC_INTEGRITY:
- status = gss_wrap_req_integ(cred, ctx, encode,
- rqstp, p, obj);
- break;
- case RPC_GSS_SVC_PRIVACY:
- status = gss_wrap_req_priv(cred, ctx, encode,
- rqstp, p, obj);
- break;
+ case RPC_GSS_SVC_NONE:
+ gss_wrap_req_encode(encode, rqstp, p, obj);
+ status = 0;
+ break;
+ case RPC_GSS_SVC_INTEGRITY:
+ status = gss_wrap_req_integ(cred, ctx, encode, rqstp, p, obj);
+ break;
+ case RPC_GSS_SVC_PRIVACY:
+ status = gss_wrap_req_priv(cred, ctx, encode, rqstp, p, obj);
+ break;
}
out:
gss_put_ctx(ctx);
@@ -1531,18 +1529,18 @@ gss_unwrap_resp(struct rpc_task *task,
if (ctx->gc_proc != RPC_GSS_PROC_DATA)
goto out_decode;
switch (gss_cred->gc_service) {
- case RPC_GSS_SVC_NONE:
- break;
- case RPC_GSS_SVC_INTEGRITY:
- status = gss_unwrap_resp_integ(cred, ctx, rqstp, &p);
- if (status)
- goto out;
- break;
- case RPC_GSS_SVC_PRIVACY:
- status = gss_unwrap_resp_priv(cred, ctx, rqstp, &p);
- if (status)
- goto out;
- break;
+ case RPC_GSS_SVC_NONE:
+ break;
+ case RPC_GSS_SVC_INTEGRITY:
+ status = gss_unwrap_resp_integ(cred, ctx, rqstp, &p);
+ if (status)
+ goto out;
+ break;
+ case RPC_GSS_SVC_PRIVACY:
+ status = gss_unwrap_resp_priv(cred, ctx, rqstp, &p);
+ if (status)
+ goto out;
+ break;
}
/* take into account extra slack for integrity and privacy cases: */
cred->cr_auth->au_rslack = cred->cr_auth->au_verfsize + (p - savedp)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d3fe866f57a..c5347d29cfb 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -97,8 +97,7 @@ static int
rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
{
static uint32_t clntid;
- struct nameidata nd;
- struct path path;
+ struct path path, dir;
char name[15];
struct qstr q = {
.name = name,
@@ -113,7 +112,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
path.mnt = rpc_get_mount();
if (IS_ERR(path.mnt))
return PTR_ERR(path.mnt);
- error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &nd);
+ error = vfs_path_lookup(path.mnt->mnt_root, path.mnt, dir_name, 0, &dir);
if (error)
goto err;
@@ -121,7 +120,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
q.len = snprintf(name, sizeof(name), "clnt%x", (unsigned int)clntid++);
name[sizeof(name) - 1] = '\0';
q.hash = full_name_hash(q.name, q.len);
- path.dentry = rpc_create_client_dir(nd.path.dentry, &q, clnt);
+ path.dentry = rpc_create_client_dir(dir.dentry, &q, clnt);
if (!IS_ERR(path.dentry))
break;
error = PTR_ERR(path.dentry);
@@ -132,11 +131,11 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name)
goto err_path_put;
}
}
- path_put(&nd.path);
+ path_put(&dir);
clnt->cl_path = path;
return 0;
err_path_put:
- path_put(&nd.path);
+ path_put(&dir);
err:
rpc_put_mount();
return error;
@@ -1665,19 +1664,18 @@ rpc_verify_header(struct rpc_task *task)
if (--len < 0)
goto out_overflow;
switch ((n = ntohl(*p++))) {
- case RPC_AUTH_ERROR:
- break;
- case RPC_MISMATCH:
- dprintk("RPC: %5u %s: RPC call version "
- "mismatch!\n",
- task->tk_pid, __func__);
- error = -EPROTONOSUPPORT;
- goto out_err;
- default:
- dprintk("RPC: %5u %s: RPC call rejected, "
- "unknown error: %x\n",
- task->tk_pid, __func__, n);
- goto out_eio;
+ case RPC_AUTH_ERROR:
+ break;
+ case RPC_MISMATCH:
+ dprintk("RPC: %5u %s: RPC call version mismatch!\n",
+ task->tk_pid, __func__);
+ error = -EPROTONOSUPPORT;
+ goto out_err;
+ default:
+ dprintk("RPC: %5u %s: RPC call rejected, "
+ "unknown error: %x\n",
+ task->tk_pid, __func__, n);
+ goto out_eio;
}
if (--len < 0)
goto out_overflow;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 72bc5368396..b181e344132 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -456,13 +456,13 @@ rpc_get_inode(struct super_block *sb, umode_t mode)
inode->i_ino = get_next_ino();
inode->i_mode = mode;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- switch(mode & S_IFMT) {
- case S_IFDIR:
- inode->i_fop = &simple_dir_operations;
- inode->i_op = &simple_dir_inode_operations;
- inc_nlink(inode);
- default:
- break;
+ switch (mode & S_IFMT) {
+ case S_IFDIR:
+ inode->i_fop = &simple_dir_operations;
+ inode->i_op = &simple_dir_inode_operations;
+ inc_nlink(inode);
+ default:
+ break;
}
return inode;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index c3c232a88d9..a385430c722 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -42,6 +42,7 @@
#include <linux/sunrpc/svc_xprt.h>
#include <linux/sunrpc/debug.h>
#include <linux/sunrpc/rpc_rdma.h>
+#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 80f8da344df..28236bab57f 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -47,6 +47,7 @@
* o buffer memory
*/
+#include <linux/interrupt.h>
#include <linux/pci.h> /* for Tavor hack below */
#include <linux/slab.h>
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index fa68d1e9ff4..759b318b5ff 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -552,12 +552,16 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
if (likely(!msg_non_seq(buf_msg(buf)))) {
struct tipc_msg *msg;
- assert(tipc_bcast_nmap.count != 0);
bcbuf_set_acks(buf, tipc_bcast_nmap.count);
msg = buf_msg(buf);
msg_set_non_seq(msg, 1);
msg_set_mc_netid(msg, tipc_net_id);
bcl->stats.sent_info++;
+
+ if (WARN_ON(!tipc_bcast_nmap.count)) {
+ dump_stack();
+ return 0;
+ }
}
/* Send buffer over bearers until all targets reached */
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 85209eadfae..85eba9c08ee 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -402,7 +402,6 @@ void tipc_bearer_lock_push(struct tipc_bearer *b_ptr)
void tipc_continue(struct tipc_bearer *b_ptr)
{
spin_lock_bh(&b_ptr->lock);
- b_ptr->continue_count++;
if (!list_empty(&b_ptr->cong_links))
tipc_k_signal((Handler)tipc_bearer_lock_push, (unsigned long)b_ptr);
b_ptr->blocked = 0;
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 31d6172b20f..5ad70eff1eb 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -107,7 +107,6 @@ struct media {
* @link_req: ptr to (optional) structure making periodic link setup requests
* @links: list of non-congested links associated with bearer
* @cong_links: list of congested links associated with bearer
- * @continue_count: # of times bearer has resumed after congestion or blocking
* @active: non-zero if bearer structure is represents a bearer
* @net_plane: network plane ('A' through 'H') currently associated with bearer
* @nodes: indicates which nodes in cluster can be reached through bearer
@@ -129,7 +128,6 @@ struct tipc_bearer {
struct link_req *link_req;
struct list_head links;
struct list_head cong_links;
- u32 continue_count;
int active;
char net_plane;
struct tipc_node_map nodes;
diff --git a/net/tipc/core.h b/net/tipc/core.h
index 436dda1159d..d234a98a460 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -62,12 +62,6 @@ struct tipc_msg; /* msg.h */
struct print_buf; /* log.h */
/*
- * TIPC sanity test macros
- */
-
-#define assert(i) BUG_ON(!(i))
-
-/*
* TIPC system monitoring code
*/
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 5ed4b4f7452..f89570c54f5 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1572,7 +1572,7 @@ static struct sk_buff *link_insert_deferred_queue(struct link *l_ptr,
static int link_recv_buf_validate(struct sk_buff *buf)
{
static u32 min_data_hdr_size[8] = {
- SHORT_H_SIZE, MCAST_H_SIZE, LONG_H_SIZE, DIR_MSG_H_SIZE,
+ SHORT_H_SIZE, MCAST_H_SIZE, NAMED_H_SIZE, BASIC_H_SIZE,
MAX_H_SIZE, MAX_H_SIZE, MAX_H_SIZE, MAX_H_SIZE
};
@@ -2553,7 +2553,7 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
u32 msg_sz = msg_size(imsg);
u32 fragm_sz = msg_data_sz(fragm);
u32 exp_fragm_cnt = msg_sz/fragm_sz + !!(msg_sz % fragm_sz);
- u32 max = TIPC_MAX_USER_MSG_SIZE + LONG_H_SIZE;
+ u32 max = TIPC_MAX_USER_MSG_SIZE + NAMED_H_SIZE;
if (msg_type(imsg) == TIPC_MCAST_MSG)
max = TIPC_MAX_USER_MSG_SIZE + MCAST_H_SIZE;
if (msg_size(imsg) > max) {
@@ -2882,7 +2882,7 @@ static int tipc_link_stats(const char *name, char *buf, const u32 buf_size)
profile_total = 1;
tipc_printf(&pb, " TX profile sample:%u packets average:%u octets\n"
" 0-64:%u%% -256:%u%% -1024:%u%% -4096:%u%% "
- "-16354:%u%% -32768:%u%% -66000:%u%%\n",
+ "-16384:%u%% -32768:%u%% -66000:%u%%\n",
l_ptr->stats.msg_length_counts,
l_ptr->stats.msg_lengths_total / profile_total,
percent(l_ptr->stats.msg_length_profile[0], profile_total),
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 03e57bf92c7..83d50967910 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -61,10 +61,8 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
msg_set_size(m, hsize);
msg_set_prevnode(m, tipc_own_addr);
msg_set_type(m, type);
- if (!msg_short(m)) {
- msg_set_orignode(m, tipc_own_addr);
- msg_set_destnode(m, destnode);
- }
+ msg_set_orignode(m, tipc_own_addr);
+ msg_set_destnode(m, destnode);
}
/**
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 8452454731f..d93178f2e85 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -68,10 +68,10 @@
* Message header sizes
*/
-#define SHORT_H_SIZE 24 /* Connected, in-cluster messages */
-#define DIR_MSG_H_SIZE 32 /* Directly addressed messages */
-#define LONG_H_SIZE 40 /* Named messages */
-#define MCAST_H_SIZE 44 /* Multicast messages */
+#define SHORT_H_SIZE 24 /* In-cluster basic payload message */
+#define BASIC_H_SIZE 32 /* Basic payload message */
+#define NAMED_H_SIZE 40 /* Named payload message */
+#define MCAST_H_SIZE 44 /* Multicast payload message */
#define INT_H_SIZE 40 /* Internal messages */
#define MIN_H_SIZE 24 /* Smallest legal TIPC header size */
#define MAX_H_SIZE 60 /* Largest possible TIPC header size */
@@ -311,26 +311,6 @@ static inline void msg_set_seqno(struct tipc_msg *m, u32 n)
}
/*
- * TIPC may utilize the "link ack #" and "link seq #" fields of a short
- * message header to hold the destination node for the message, since the
- * normal "dest node" field isn't present. This cache is only referenced
- * when required, so populating the cache of a longer message header is
- * harmless (as long as the header has the two link sequence fields present).
- *
- * Note: Host byte order is OK here, since the info never goes off-card.
- */
-
-static inline u32 msg_destnode_cache(struct tipc_msg *m)
-{
- return m->hdr[2];
-}
-
-static inline void msg_set_destnode_cache(struct tipc_msg *m, u32 dnode)
-{
- m->hdr[2] = dnode;
-}
-
-/*
* Words 3-10
*/
@@ -377,7 +357,7 @@ static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p)
static inline int msg_short(struct tipc_msg *m)
{
- return msg_hdr_sz(m) == 24;
+ return msg_hdr_sz(m) == SHORT_H_SIZE;
}
static inline u32 msg_orignode(struct tipc_msg *m)
@@ -635,7 +615,7 @@ static inline u32 msg_link_selector(struct tipc_msg *m)
static inline void msg_set_link_selector(struct tipc_msg *m, u32 n)
{
- msg_set_bits(m, 4, 0, 1, (n & 1));
+ msg_set_bits(m, 4, 0, 1, n);
}
/*
@@ -659,7 +639,7 @@ static inline u32 msg_probe(struct tipc_msg *m)
static inline void msg_set_probe(struct tipc_msg *m, u32 val)
{
- msg_set_bits(m, 5, 0, 1, (val & 1));
+ msg_set_bits(m, 5, 0, 1, val);
}
static inline char msg_net_plane(struct tipc_msg *m)
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 80025a1b3bf..cd356e50433 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -94,13 +94,13 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
{
- struct sk_buff *buf = tipc_buf_acquire(LONG_H_SIZE + size);
+ struct sk_buff *buf = tipc_buf_acquire(INT_H_SIZE + size);
struct tipc_msg *msg;
if (buf != NULL) {
msg = buf_msg(buf);
- tipc_msg_init(msg, NAME_DISTRIBUTOR, type, LONG_H_SIZE, dest);
- msg_set_size(msg, LONG_H_SIZE + size);
+ tipc_msg_init(msg, NAME_DISTRIBUTOR, type, INT_H_SIZE, dest);
+ msg_set_size(msg, INT_H_SIZE + size);
}
return buf;
}
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 205ed4a4e18..46e6b6c2ecc 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -2,7 +2,7 @@
* net/tipc/name_table.c: TIPC name table code
*
* Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2008, Wind River Systems
+ * Copyright (c) 2004-2008, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,9 +44,7 @@
static int tipc_nametbl_size = 1024; /* must be a power of 2 */
/**
- * struct sub_seq - container for all published instances of a name sequence
- * @lower: name sequence lower bound
- * @upper: name sequence upper bound
+ * struct name_info - name sequence publication info
* @node_list: circular list of publications made by own node
* @cluster_list: circular list of publications made by own cluster
* @zone_list: circular list of publications made by own zone
@@ -59,18 +57,29 @@ static int tipc_nametbl_size = 1024; /* must be a power of 2 */
* (The cluster and node lists may be empty.)
*/
-struct sub_seq {
- u32 lower;
- u32 upper;
- struct publication *node_list;
- struct publication *cluster_list;
- struct publication *zone_list;
+struct name_info {
+ struct list_head node_list;
+ struct list_head cluster_list;
+ struct list_head zone_list;
u32 node_list_size;
u32 cluster_list_size;
u32 zone_list_size;
};
/**
+ * struct sub_seq - container for all published instances of a name sequence
+ * @lower: name sequence lower bound
+ * @upper: name sequence upper bound
+ * @info: pointer to name sequence publication info
+ */
+
+struct sub_seq {
+ u32 lower;
+ u32 upper;
+ struct name_info *info;
+};
+
+/**
* struct name_seq - container for all published instances of a name type
* @type: 32 bit 'type' value for name sequence
* @sseq: pointer to dynamically-sized array of sub-sequences of this 'type';
@@ -246,6 +255,7 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
struct subscription *st;
struct publication *publ;
struct sub_seq *sseq;
+ struct name_info *info;
int created_subseq = 0;
sseq = nameseq_find_subseq(nseq, lower);
@@ -258,6 +268,8 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
type, lower, upper);
return NULL;
}
+
+ info = sseq->info;
} else {
u32 inspos;
struct sub_seq *freesseq;
@@ -292,6 +304,17 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
nseq->alloc *= 2;
}
+ info = kzalloc(sizeof(*info), GFP_ATOMIC);
+ if (!info) {
+ warn("Cannot publish {%u,%u,%u}, no memory\n",
+ type, lower, upper);
+ return NULL;
+ }
+
+ INIT_LIST_HEAD(&info->node_list);
+ INIT_LIST_HEAD(&info->cluster_list);
+ INIT_LIST_HEAD(&info->zone_list);
+
/* Insert new sub-sequence */
sseq = &nseq->sseqs[inspos];
@@ -301,6 +324,7 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
nseq->first_free++;
sseq->lower = lower;
sseq->upper = upper;
+ sseq->info = info;
created_subseq = 1;
}
@@ -310,33 +334,17 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
if (!publ)
return NULL;
- sseq->zone_list_size++;
- if (!sseq->zone_list)
- sseq->zone_list = publ->zone_list_next = publ;
- else {
- publ->zone_list_next = sseq->zone_list->zone_list_next;
- sseq->zone_list->zone_list_next = publ;
- }
+ list_add(&publ->zone_list, &info->zone_list);
+ info->zone_list_size++;
if (in_own_cluster(node)) {
- sseq->cluster_list_size++;
- if (!sseq->cluster_list)
- sseq->cluster_list = publ->cluster_list_next = publ;
- else {
- publ->cluster_list_next =
- sseq->cluster_list->cluster_list_next;
- sseq->cluster_list->cluster_list_next = publ;
- }
+ list_add(&publ->cluster_list, &info->cluster_list);
+ info->cluster_list_size++;
}
if (node == tipc_own_addr) {
- sseq->node_list_size++;
- if (!sseq->node_list)
- sseq->node_list = publ->node_list_next = publ;
- else {
- publ->node_list_next = sseq->node_list->node_list_next;
- sseq->node_list->node_list_next = publ;
- }
+ list_add(&publ->node_list, &info->node_list);
+ info->node_list_size++;
}
/*
@@ -370,9 +378,8 @@ static struct publication *tipc_nameseq_remove_publ(struct name_seq *nseq, u32 i
u32 node, u32 ref, u32 key)
{
struct publication *publ;
- struct publication *curr;
- struct publication *prev;
struct sub_seq *sseq = nameseq_find_subseq(nseq, inst);
+ struct name_info *info;
struct sub_seq *free;
struct subscription *s, *st;
int removed_subseq = 0;
@@ -380,96 +387,41 @@ static struct publication *tipc_nameseq_remove_publ(struct name_seq *nseq, u32 i
if (!sseq)
return NULL;
- /* Remove publication from zone scope list */
+ info = sseq->info;
- prev = sseq->zone_list;
- publ = sseq->zone_list->zone_list_next;
- while ((publ->key != key) || (publ->ref != ref) ||
- (publ->node && (publ->node != node))) {
- prev = publ;
- publ = publ->zone_list_next;
- if (prev == sseq->zone_list) {
+ /* Locate publication, if it exists */
- /* Prevent endless loop if publication not found */
-
- return NULL;
- }
- }
- if (publ != sseq->zone_list)
- prev->zone_list_next = publ->zone_list_next;
- else if (publ->zone_list_next != publ) {
- prev->zone_list_next = publ->zone_list_next;
- sseq->zone_list = publ->zone_list_next;
- } else {
- sseq->zone_list = NULL;
+ list_for_each_entry(publ, &info->zone_list, zone_list) {
+ if ((publ->key == key) && (publ->ref == ref) &&
+ (!publ->node || (publ->node == node)))
+ goto found;
}
- sseq->zone_list_size--;
+ return NULL;
+
+found:
+ /* Remove publication from zone scope list */
+
+ list_del(&publ->zone_list);
+ info->zone_list_size--;
/* Remove publication from cluster scope list, if present */
if (in_own_cluster(node)) {
- prev = sseq->cluster_list;
- curr = sseq->cluster_list->cluster_list_next;
- while (curr != publ) {
- prev = curr;
- curr = curr->cluster_list_next;
- if (prev == sseq->cluster_list) {
-
- /* Prevent endless loop for malformed list */
-
- err("Unable to de-list cluster publication\n"
- "{%u%u}, node=0x%x, ref=%u, key=%u)\n",
- publ->type, publ->lower, publ->node,
- publ->ref, publ->key);
- goto end_cluster;
- }
- }
- if (publ != sseq->cluster_list)
- prev->cluster_list_next = publ->cluster_list_next;
- else if (publ->cluster_list_next != publ) {
- prev->cluster_list_next = publ->cluster_list_next;
- sseq->cluster_list = publ->cluster_list_next;
- } else {
- sseq->cluster_list = NULL;
- }
- sseq->cluster_list_size--;
+ list_del(&publ->cluster_list);
+ info->cluster_list_size--;
}
-end_cluster:
/* Remove publication from node scope list, if present */
if (node == tipc_own_addr) {
- prev = sseq->node_list;
- curr = sseq->node_list->node_list_next;
- while (curr != publ) {
- prev = curr;
- curr = curr->node_list_next;
- if (prev == sseq->node_list) {
-
- /* Prevent endless loop for malformed list */
-
- err("Unable to de-list node publication\n"
- "{%u%u}, node=0x%x, ref=%u, key=%u)\n",
- publ->type, publ->lower, publ->node,
- publ->ref, publ->key);
- goto end_node;
- }
- }
- if (publ != sseq->node_list)
- prev->node_list_next = publ->node_list_next;
- else if (publ->node_list_next != publ) {
- prev->node_list_next = publ->node_list_next;
- sseq->node_list = publ->node_list_next;
- } else {
- sseq->node_list = NULL;
- }
- sseq->node_list_size--;
+ list_del(&publ->node_list);
+ info->node_list_size--;
}
-end_node:
/* Contract subseq list if no more publications for that subseq */
- if (!sseq->zone_list) {
+ if (list_empty(&info->zone_list)) {
+ kfree(info);
free = &nseq->sseqs[nseq->first_free--];
memmove(sseq, sseq + 1, (free - (sseq + 1)) * sizeof(*sseq));
removed_subseq = 1;
@@ -506,12 +458,12 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, struct subscription *s
return;
while (sseq != &nseq->sseqs[nseq->first_free]) {
- struct publication *zl = sseq->zone_list;
- if (zl && tipc_subscr_overlap(s, sseq->lower, sseq->upper)) {
- struct publication *crs = zl;
+ if (tipc_subscr_overlap(s, sseq->lower, sseq->upper)) {
+ struct publication *crs;
+ struct name_info *info = sseq->info;
int must_report = 1;
- do {
+ list_for_each_entry(crs, &info->zone_list, zone_list) {
tipc_subscr_report_overlap(s,
sseq->lower,
sseq->upper,
@@ -520,8 +472,7 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, struct subscription *s
crs->node,
must_report);
must_report = 0;
- crs = crs->zone_list_next;
- } while (crs != zl);
+ }
}
sseq++;
}
@@ -591,9 +542,10 @@ struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower,
u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode)
{
struct sub_seq *sseq;
- struct publication *publ = NULL;
+ struct name_info *info;
+ struct publication *publ;
struct name_seq *seq;
- u32 ref;
+ u32 ref = 0;
if (!tipc_in_scope(*destnode, tipc_own_addr))
return 0;
@@ -606,55 +558,57 @@ u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode)
if (unlikely(!sseq))
goto not_found;
spin_lock_bh(&seq->lock);
+ info = sseq->info;
/* Closest-First Algorithm: */
if (likely(!*destnode)) {
- publ = sseq->node_list;
- if (publ) {
- sseq->node_list = publ->node_list_next;
-found:
- ref = publ->ref;
- *destnode = publ->node;
- spin_unlock_bh(&seq->lock);
- read_unlock_bh(&tipc_nametbl_lock);
- return ref;
- }
- publ = sseq->cluster_list;
- if (publ) {
- sseq->cluster_list = publ->cluster_list_next;
- goto found;
- }
- publ = sseq->zone_list;
- if (publ) {
- sseq->zone_list = publ->zone_list_next;
- goto found;
+ if (!list_empty(&info->node_list)) {
+ publ = list_first_entry(&info->node_list,
+ struct publication,
+ node_list);
+ list_move_tail(&publ->node_list,
+ &info->node_list);
+ } else if (!list_empty(&info->cluster_list)) {
+ publ = list_first_entry(&info->cluster_list,
+ struct publication,
+ cluster_list);
+ list_move_tail(&publ->cluster_list,
+ &info->cluster_list);
+ } else {
+ publ = list_first_entry(&info->zone_list,
+ struct publication,
+ zone_list);
+ list_move_tail(&publ->zone_list,
+ &info->zone_list);
}
}
/* Round-Robin Algorithm: */
else if (*destnode == tipc_own_addr) {
- publ = sseq->node_list;
- if (publ) {
- sseq->node_list = publ->node_list_next;
- goto found;
- }
+ if (list_empty(&info->node_list))
+ goto no_match;
+ publ = list_first_entry(&info->node_list, struct publication,
+ node_list);
+ list_move_tail(&publ->node_list, &info->node_list);
} else if (in_own_cluster(*destnode)) {
- publ = sseq->cluster_list;
- if (publ) {
- sseq->cluster_list = publ->cluster_list_next;
- goto found;
- }
+ if (list_empty(&info->cluster_list))
+ goto no_match;
+ publ = list_first_entry(&info->cluster_list, struct publication,
+ cluster_list);
+ list_move_tail(&publ->cluster_list, &info->cluster_list);
} else {
- publ = sseq->zone_list;
- if (publ) {
- sseq->zone_list = publ->zone_list_next;
- goto found;
- }
+ publ = list_first_entry(&info->zone_list, struct publication,
+ zone_list);
+ list_move_tail(&publ->zone_list, &info->zone_list);
}
+
+ ref = publ->ref;
+ *destnode = publ->node;
+no_match:
spin_unlock_bh(&seq->lock);
not_found:
read_unlock_bh(&tipc_nametbl_lock);
- return 0;
+ return ref;
}
/**
@@ -676,6 +630,7 @@ int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
struct name_seq *seq;
struct sub_seq *sseq;
struct sub_seq *sseq_stop;
+ struct name_info *info;
int res = 0;
read_lock_bh(&tipc_nametbl_lock);
@@ -693,16 +648,13 @@ int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
if (sseq->lower > upper)
break;
- publ = sseq->node_list;
- if (publ) {
- do {
- if (publ->scope <= limit)
- tipc_port_list_add(dports, publ->ref);
- publ = publ->node_list_next;
- } while (publ != sseq->node_list);
+ info = sseq->info;
+ list_for_each_entry(publ, &info->node_list, node_list) {
+ if (publ->scope <= limit)
+ tipc_port_list_add(dports, publ->ref);
}
- if (sseq->cluster_list_size != sseq->node_list_size)
+ if (info->cluster_list_size != info->node_list_size)
res = 1;
}
@@ -840,16 +792,19 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth,
{
char portIdStr[27];
const char *scope_str[] = {"", " zone", " cluster", " node"};
- struct publication *publ = sseq->zone_list;
+ struct publication *publ;
+ struct name_info *info;
tipc_printf(buf, "%-10u %-10u ", sseq->lower, sseq->upper);
- if (depth == 2 || !publ) {
+ if (depth == 2) {
tipc_printf(buf, "\n");
return;
}
- do {
+ info = sseq->info;
+
+ list_for_each_entry(publ, &info->zone_list, zone_list) {
sprintf(portIdStr, "<%u.%u.%u:%u>",
tipc_zone(publ->node), tipc_cluster(publ->node),
tipc_node(publ->node), publ->ref);
@@ -858,13 +813,9 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth,
tipc_printf(buf, "%-10u %s", publ->key,
scope_str[publ->scope]);
}
-
- publ = publ->zone_list_next;
- if (publ == sseq->zone_list)
- break;
-
- tipc_printf(buf, "\n%33s", " ");
- } while (1);
+ if (!list_is_last(&publ->zone_list, &info->zone_list))
+ tipc_printf(buf, "\n%33s", " ");
+ };
tipc_printf(buf, "\n");
}
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index d228bd68265..62d77e5e902 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -2,7 +2,7 @@
* net/tipc/name_table.h: Include file for TIPC name table code
*
* Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 2004-2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -61,9 +61,9 @@ struct port_list;
* @subscr: subscription to "node down" event (for off-node publications only)
* @local_list: adjacent entries in list of publications made by this node
* @pport_list: adjacent entries in list of publications made by this port
- * @node_list: next matching name seq publication with >= node scope
- * @cluster_list: next matching name seq publication with >= cluster scope
- * @zone_list: next matching name seq publication with >= zone scope
+ * @node_list: adjacent matching name seq publications with >= node scope
+ * @cluster_list: adjacent matching name seq publications with >= cluster scope
+ * @zone_list: adjacent matching name seq publications with >= zone scope
*
* Note that the node list, cluster list, and zone list are circular lists.
*/
@@ -79,9 +79,9 @@ struct publication {
struct tipc_node_subscr subscr;
struct list_head local_list;
struct list_head pport_list;
- struct publication *node_list_next;
- struct publication *cluster_list_next;
- struct publication *zone_list_next;
+ struct list_head node_list;
+ struct list_head cluster_list;
+ struct list_head zone_list;
};
diff --git a/net/tipc/port.c b/net/tipc/port.c
index c68dc956a42..54d812a5a4d 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -222,7 +222,7 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
p_ptr->max_pkt = MAX_PKT_DEFAULT;
p_ptr->ref = ref;
msg = &p_ptr->phdr;
- tipc_msg_init(msg, importance, TIPC_NAMED_MSG, LONG_H_SIZE, 0);
+ tipc_msg_init(msg, importance, TIPC_NAMED_MSG, NAMED_H_SIZE, 0);
msg_set_origport(msg, ref);
INIT_LIST_HEAD(&p_ptr->wait_list);
INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
@@ -327,26 +327,23 @@ int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
}
/*
- * port_build_proto_msg(): build a port level protocol
- * or a connection abortion message. Called with
- * tipc_port lock on.
+ * port_build_proto_msg(): create connection protocol message for port
+ *
+ * On entry the port must be locked and connected.
*/
-static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode,
- u32 origport, u32 orignode,
- u32 usr, u32 type, u32 err,
- u32 ack)
+static struct sk_buff *port_build_proto_msg(struct tipc_port *p_ptr,
+ u32 type, u32 ack)
{
struct sk_buff *buf;
struct tipc_msg *msg;
- buf = tipc_buf_acquire(LONG_H_SIZE);
+ buf = tipc_buf_acquire(INT_H_SIZE);
if (buf) {
msg = buf_msg(buf);
- tipc_msg_init(msg, usr, type, LONG_H_SIZE, destnode);
- msg_set_errcode(msg, err);
- msg_set_destport(msg, destport);
- msg_set_origport(msg, origport);
- msg_set_orignode(msg, orignode);
+ tipc_msg_init(msg, CONN_MANAGER, type, INT_H_SIZE,
+ port_peernode(p_ptr));
+ msg_set_destport(msg, port_peerport(p_ptr));
+ msg_set_origport(msg, p_ptr->ref);
msg_set_msgcnt(msg, ack);
}
return buf;
@@ -358,45 +355,48 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
struct sk_buff *rbuf;
struct tipc_msg *rmsg;
int hdr_sz;
- u32 imp = msg_importance(msg);
+ u32 imp;
u32 data_sz = msg_data_sz(msg);
-
- if (data_sz > MAX_REJECT_SIZE)
- data_sz = MAX_REJECT_SIZE;
- if (msg_connected(msg) && (imp < TIPC_CRITICAL_IMPORTANCE))
- imp++;
+ u32 src_node;
+ u32 rmsg_sz;
/* discard rejected message if it shouldn't be returned to sender */
- if (msg_errcode(msg) || msg_dest_droppable(msg)) {
- buf_discard(buf);
- return data_sz;
- }
- /* construct rejected message */
- if (msg_mcast(msg))
- hdr_sz = MCAST_H_SIZE;
- else
- hdr_sz = LONG_H_SIZE;
- rbuf = tipc_buf_acquire(data_sz + hdr_sz);
- if (rbuf == NULL) {
- buf_discard(buf);
- return data_sz;
+ if (WARN(!msg_isdata(msg),
+ "attempt to reject message with user=%u", msg_user(msg))) {
+ dump_stack();
+ goto exit;
}
+ if (msg_errcode(msg) || msg_dest_droppable(msg))
+ goto exit;
+
+ /*
+ * construct returned message by copying rejected message header and
+ * data (or subset), then updating header fields that need adjusting
+ */
+
+ hdr_sz = msg_hdr_sz(msg);
+ rmsg_sz = hdr_sz + min_t(u32, data_sz, MAX_REJECT_SIZE);
+
+ rbuf = tipc_buf_acquire(rmsg_sz);
+ if (rbuf == NULL)
+ goto exit;
+
rmsg = buf_msg(rbuf);
- tipc_msg_init(rmsg, imp, msg_type(msg), hdr_sz, msg_orignode(msg));
- msg_set_errcode(rmsg, err);
- msg_set_destport(rmsg, msg_origport(msg));
- msg_set_origport(rmsg, msg_destport(msg));
- if (msg_short(msg)) {
- msg_set_orignode(rmsg, tipc_own_addr);
- /* leave name type & instance as zeroes */
- } else {
- msg_set_orignode(rmsg, msg_destnode(msg));
- msg_set_nametype(rmsg, msg_nametype(msg));
- msg_set_nameinst(rmsg, msg_nameinst(msg));
+ skb_copy_to_linear_data(rbuf, msg, rmsg_sz);
+
+ if (msg_connected(rmsg)) {
+ imp = msg_importance(rmsg);
+ if (imp < TIPC_CRITICAL_IMPORTANCE)
+ msg_set_importance(rmsg, ++imp);
}
- msg_set_size(rmsg, data_sz + hdr_sz);
- skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz);
+ msg_set_non_seq(rmsg, 0);
+ msg_set_size(rmsg, rmsg_sz);
+ msg_set_errcode(rmsg, err);
+ msg_set_prevnode(rmsg, tipc_own_addr);
+ msg_swap_words(rmsg, 4, 5);
+ if (!msg_short(rmsg))
+ msg_swap_words(rmsg, 6, 7);
/* send self-abort message when rejecting on a connected port */
if (msg_connected(msg)) {
@@ -411,9 +411,15 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
tipc_net_route_msg(abuf);
}
- /* send rejected message */
+ /* send returned message & dispose of rejected message */
+
+ src_node = msg_prevnode(msg);
+ if (src_node == tipc_own_addr)
+ tipc_port_recv_msg(rbuf);
+ else
+ tipc_link_send(rbuf, src_node, msg_link_selector(rmsg));
+exit:
buf_discard(buf);
- tipc_net_route_msg(rbuf);
return data_sz;
}
@@ -449,14 +455,7 @@ static void port_timeout(unsigned long ref)
if (p_ptr->probing_state == PROBING) {
buf = port_build_self_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
} else {
- buf = port_build_proto_msg(port_peerport(p_ptr),
- port_peernode(p_ptr),
- p_ptr->ref,
- tipc_own_addr,
- CONN_MANAGER,
- CONN_PROBE,
- TIPC_OK,
- 0);
+ buf = port_build_proto_msg(p_ptr, CONN_PROBE, 0);
p_ptr->probing_state = PROBING;
k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
}
@@ -480,100 +479,94 @@ static void port_handle_node_down(unsigned long ref)
static struct sk_buff *port_build_self_abort_msg(struct tipc_port *p_ptr, u32 err)
{
- u32 imp = msg_importance(&p_ptr->phdr);
+ struct sk_buff *buf = port_build_peer_abort_msg(p_ptr, err);
- if (!p_ptr->connected)
- return NULL;
- if (imp < TIPC_CRITICAL_IMPORTANCE)
- imp++;
- return port_build_proto_msg(p_ptr->ref,
- tipc_own_addr,
- port_peerport(p_ptr),
- port_peernode(p_ptr),
- imp,
- TIPC_CONN_MSG,
- err,
- 0);
+ if (buf) {
+ struct tipc_msg *msg = buf_msg(buf);
+ msg_swap_words(msg, 4, 5);
+ msg_swap_words(msg, 6, 7);
+ }
+ return buf;
}
static struct sk_buff *port_build_peer_abort_msg(struct tipc_port *p_ptr, u32 err)
{
- u32 imp = msg_importance(&p_ptr->phdr);
+ struct sk_buff *buf;
+ struct tipc_msg *msg;
+ u32 imp;
if (!p_ptr->connected)
return NULL;
- if (imp < TIPC_CRITICAL_IMPORTANCE)
- imp++;
- return port_build_proto_msg(port_peerport(p_ptr),
- port_peernode(p_ptr),
- p_ptr->ref,
- tipc_own_addr,
- imp,
- TIPC_CONN_MSG,
- err,
- 0);
+
+ buf = tipc_buf_acquire(BASIC_H_SIZE);
+ if (buf) {
+ msg = buf_msg(buf);
+ memcpy(msg, &p_ptr->phdr, BASIC_H_SIZE);
+ msg_set_hdr_sz(msg, BASIC_H_SIZE);
+ msg_set_size(msg, BASIC_H_SIZE);
+ imp = msg_importance(msg);
+ if (imp < TIPC_CRITICAL_IMPORTANCE)
+ msg_set_importance(msg, ++imp);
+ msg_set_errcode(msg, err);
+ }
+ return buf;
}
void tipc_port_recv_proto_msg(struct sk_buff *buf)
{
struct tipc_msg *msg = buf_msg(buf);
- struct tipc_port *p_ptr = tipc_port_lock(msg_destport(msg));
- u32 err = TIPC_OK;
+ struct tipc_port *p_ptr;
struct sk_buff *r_buf = NULL;
- struct sk_buff *abort_buf = NULL;
-
- if (!p_ptr) {
- err = TIPC_ERR_NO_PORT;
- } else if (p_ptr->connected) {
- if ((port_peernode(p_ptr) != msg_orignode(msg)) ||
- (port_peerport(p_ptr) != msg_origport(msg))) {
- err = TIPC_ERR_NO_PORT;
- } else if (msg_type(msg) == CONN_ACK) {
- int wakeup = tipc_port_congested(p_ptr) &&
- p_ptr->congested &&
- p_ptr->wakeup;
- p_ptr->acked += msg_msgcnt(msg);
- if (tipc_port_congested(p_ptr))
- goto exit;
- p_ptr->congested = 0;
- if (!wakeup)
- goto exit;
- p_ptr->wakeup(p_ptr);
- goto exit;
+ u32 orignode = msg_orignode(msg);
+ u32 origport = msg_origport(msg);
+ u32 destport = msg_destport(msg);
+ int wakeable;
+
+ /* Validate connection */
+
+ p_ptr = tipc_port_lock(destport);
+ if (!p_ptr || !p_ptr->connected ||
+ (port_peernode(p_ptr) != orignode) ||
+ (port_peerport(p_ptr) != origport)) {
+ r_buf = tipc_buf_acquire(BASIC_H_SIZE);
+ if (r_buf) {
+ msg = buf_msg(r_buf);
+ tipc_msg_init(msg, TIPC_HIGH_IMPORTANCE, TIPC_CONN_MSG,
+ BASIC_H_SIZE, orignode);
+ msg_set_errcode(msg, TIPC_ERR_NO_PORT);
+ msg_set_origport(msg, destport);
+ msg_set_destport(msg, origport);
}
- } else if (p_ptr->published) {
- err = TIPC_ERR_NO_PORT;
- }
- if (err) {
- r_buf = port_build_proto_msg(msg_origport(msg),
- msg_orignode(msg),
- msg_destport(msg),
- tipc_own_addr,
- TIPC_HIGH_IMPORTANCE,
- TIPC_CONN_MSG,
- err,
- 0);
+ if (p_ptr)
+ tipc_port_unlock(p_ptr);
goto exit;
}
- /* All is fine */
- if (msg_type(msg) == CONN_PROBE) {
- r_buf = port_build_proto_msg(msg_origport(msg),
- msg_orignode(msg),
- msg_destport(msg),
- tipc_own_addr,
- CONN_MANAGER,
- CONN_PROBE_REPLY,
- TIPC_OK,
- 0);
+ /* Process protocol message sent by peer */
+
+ switch (msg_type(msg)) {
+ case CONN_ACK:
+ wakeable = tipc_port_congested(p_ptr) && p_ptr->congested &&
+ p_ptr->wakeup;
+ p_ptr->acked += msg_msgcnt(msg);
+ if (!tipc_port_congested(p_ptr)) {
+ p_ptr->congested = 0;
+ if (wakeable)
+ p_ptr->wakeup(p_ptr);
+ }
+ break;
+ case CONN_PROBE:
+ r_buf = port_build_proto_msg(p_ptr, CONN_PROBE_REPLY, 0);
+ break;
+ default:
+ /* CONN_PROBE_REPLY or unrecognized - no action required */
+ break;
}
p_ptr->probing_state = CONFIRMED;
+ tipc_port_unlock(p_ptr);
exit:
- if (p_ptr)
- tipc_port_unlock(p_ptr);
tipc_net_route_msg(r_buf);
- tipc_net_route_msg(abort_buf);
buf_discard(buf);
}
@@ -889,14 +882,7 @@ void tipc_acknowledge(u32 ref, u32 ack)
return;
if (p_ptr->connected) {
p_ptr->conn_unacked -= ack;
- buf = port_build_proto_msg(port_peerport(p_ptr),
- port_peernode(p_ptr),
- ref,
- tipc_own_addr,
- CONN_MANAGER,
- CONN_ACK,
- TIPC_OK,
- ack);
+ buf = port_build_proto_msg(p_ptr, CONN_ACK, ack);
}
tipc_port_unlock(p_ptr);
tipc_net_route_msg(buf);
@@ -1140,19 +1126,7 @@ int tipc_shutdown(u32 ref)
if (!p_ptr)
return -EINVAL;
- if (p_ptr->connected) {
- u32 imp = msg_importance(&p_ptr->phdr);
- if (imp < TIPC_CRITICAL_IMPORTANCE)
- imp++;
- buf = port_build_proto_msg(port_peerport(p_ptr),
- port_peernode(p_ptr),
- ref,
- tipc_own_addr,
- imp,
- TIPC_CONN_MSG,
- TIPC_CONN_SHUTDOWN,
- 0);
- }
+ buf = port_build_peer_abort_msg(p_ptr, TIPC_CONN_SHUTDOWN);
tipc_port_unlock(p_ptr);
tipc_net_route_msg(buf);
return tipc_disconnect(ref);
@@ -1238,7 +1212,7 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
msg_set_type(msg, TIPC_NAMED_MSG);
msg_set_orignode(msg, tipc_own_addr);
msg_set_origport(msg, ref);
- msg_set_hdr_sz(msg, LONG_H_SIZE);
+ msg_set_hdr_sz(msg, NAMED_H_SIZE);
msg_set_nametype(msg, name->type);
msg_set_nameinst(msg, name->instance);
msg_set_lookup_scope(msg, tipc_addr_scope(domain));
@@ -1291,7 +1265,7 @@ int tipc_send2port(u32 ref, struct tipc_portid const *dest,
msg_set_origport(msg, ref);
msg_set_destnode(msg, dest->node);
msg_set_destport(msg, dest->ref);
- msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
+ msg_set_hdr_sz(msg, BASIC_H_SIZE);
if (dest->node == tipc_own_addr)
res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect,
@@ -1331,13 +1305,13 @@ int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest,
msg_set_origport(msg, ref);
msg_set_destnode(msg, dest->node);
msg_set_destport(msg, dest->ref);
- msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
- msg_set_size(msg, DIR_MSG_H_SIZE + dsz);
- if (skb_cow(buf, DIR_MSG_H_SIZE))
+ msg_set_hdr_sz(msg, BASIC_H_SIZE);
+ msg_set_size(msg, BASIC_H_SIZE + dsz);
+ if (skb_cow(buf, BASIC_H_SIZE))
return -ENOMEM;
- skb_push(buf, DIR_MSG_H_SIZE);
- skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE);
+ skb_push(buf, BASIC_H_SIZE);
+ skb_copy_to_linear_data(buf, msg, BASIC_H_SIZE);
if (dest->node == tipc_own_addr)
res = tipc_port_recv_msg(buf);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 33883739664..adb2eff4a10 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -36,9 +36,6 @@
#include <net/sock.h>
-#include <linux/tipc.h>
-#include <linux/tipc_config.h>
-
#include "core.h"
#include "port.h"
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 0722a25a3a3..ec68e1c05b8 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -808,8 +808,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct net *net = sock_net(sk);
struct unix_sock *u = unix_sk(sk);
struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
+ char *sun_path = sunaddr->sun_path;
struct dentry *dentry = NULL;
- struct nameidata nd;
+ struct path path;
int err;
unsigned hash;
struct unix_address *addr;
@@ -845,48 +846,44 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
addr->hash = hash ^ sk->sk_type;
atomic_set(&addr->refcnt, 1);
- if (sunaddr->sun_path[0]) {
+ if (sun_path[0]) {
unsigned int mode;
err = 0;
/*
* Get the parent directory, calculate the hash for last
* component.
*/
- err = kern_path_parent(sunaddr->sun_path, &nd);
- if (err)
- goto out_mknod_parent;
-
- dentry = lookup_create(&nd, 0);
+ dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
err = PTR_ERR(dentry);
if (IS_ERR(dentry))
- goto out_mknod_unlock;
+ goto out_mknod_parent;
/*
* All right, let's create it.
*/
mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current_umask());
- err = mnt_want_write(nd.path.mnt);
+ err = mnt_want_write(path.mnt);
if (err)
goto out_mknod_dput;
- err = security_path_mknod(&nd.path, dentry, mode, 0);
+ err = security_path_mknod(&path, dentry, mode, 0);
if (err)
goto out_mknod_drop_write;
- err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
out_mknod_drop_write:
- mnt_drop_write(nd.path.mnt);
+ mnt_drop_write(path.mnt);
if (err)
goto out_mknod_dput;
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- dput(nd.path.dentry);
- nd.path.dentry = dentry;
+ mutex_unlock(&path.dentry->d_inode->i_mutex);
+ dput(path.dentry);
+ path.dentry = dentry;
addr->hash = UNIX_HASH_SIZE;
}
spin_lock(&unix_table_lock);
- if (!sunaddr->sun_path[0]) {
+ if (!sun_path[0]) {
err = -EADDRINUSE;
if (__unix_find_socket_byname(net, sunaddr, addr_len,
sk->sk_type, hash)) {
@@ -897,8 +894,8 @@ out_mknod_drop_write:
list = &unix_socket_table[addr->hash];
} else {
list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
- u->dentry = nd.path.dentry;
- u->mnt = nd.path.mnt;
+ u->dentry = path.dentry;
+ u->mnt = path.mnt;
}
err = 0;
@@ -915,9 +912,8 @@ out:
out_mknod_dput:
dput(dentry);
-out_mknod_unlock:
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
- path_put(&nd.path);
+ mutex_unlock(&path.dentry->d_inode->i_mutex);
+ path_put(&path);
out_mknod_parent:
if (err == -EEXIST)
err = -EADDRINUSE;
diff --git a/net/wireless/core.c b/net/wireless/core.c
index c22ef3492ee..880dbe2e6f9 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -366,6 +366,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
mutex_init(&rdev->mtx);
mutex_init(&rdev->devlist_mtx);
+ mutex_init(&rdev->sched_scan_mtx);
INIT_LIST_HEAD(&rdev->netdev_list);
spin_lock_init(&rdev->bss_lock);
INIT_LIST_HEAD(&rdev->bss_list);
@@ -701,6 +702,7 @@ void cfg80211_dev_free(struct cfg80211_registered_device *rdev)
rfkill_destroy(rdev->rfkill);
mutex_destroy(&rdev->mtx);
mutex_destroy(&rdev->devlist_mtx);
+ mutex_destroy(&rdev->sched_scan_mtx);
list_for_each_entry_safe(scan, tmp, &rdev->bss_list, list)
cfg80211_put_bss(&scan->pub);
cfg80211_rdev_free_wowlan(rdev);
@@ -737,12 +739,16 @@ static void wdev_cleanup_work(struct work_struct *work)
___cfg80211_scan_done(rdev, true);
}
+ cfg80211_unlock_rdev(rdev);
+
+ mutex_lock(&rdev->sched_scan_mtx);
+
if (WARN_ON(rdev->sched_scan_req &&
rdev->sched_scan_req->dev == wdev->netdev)) {
__cfg80211_stop_sched_scan(rdev, false);
}
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
mutex_lock(&rdev->devlist_mtx);
rdev->opencount--;
@@ -830,9 +836,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_STATION:
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, false);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
wdev_lock(wdev);
#ifdef CONFIG_CFG80211_WEXT
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 3dce1f167eb..a570ff9214e 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -65,6 +65,8 @@ struct cfg80211_registered_device {
struct work_struct scan_done_wk;
struct work_struct sched_scan_results_wk;
+ struct mutex sched_scan_mtx;
+
#ifdef CONFIG_NL80211_TESTMODE
struct genl_info *testmode_info;
#endif
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 493b939970c..832f6574e4e 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -170,7 +170,9 @@ void __cfg80211_send_deauth(struct net_device *dev,
break;
}
if (wdev->authtry_bsses[i] &&
- memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid, ETH_ALEN) == 0) {
+ memcmp(wdev->authtry_bsses[i]->pub.bssid, bssid,
+ ETH_ALEN) == 0 &&
+ memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) == 0) {
cfg80211_unhold_bss(wdev->authtry_bsses[i]);
cfg80211_put_bss(&wdev->authtry_bsses[i]->pub);
wdev->authtry_bsses[i] = NULL;
@@ -1082,3 +1084,14 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev,
nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp);
}
EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify);
+
+void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+ nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp);
+}
+EXPORT_SYMBOL(cfg80211_gtk_rekey_notify);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 98fa8eb6cc4..6a82c898f83 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -176,6 +176,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED },
[NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 },
[NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 },
+ [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED },
};
/* policy for the key attributes */
@@ -206,6 +207,14 @@ nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = {
[NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED },
};
+/* policy for GTK rekey offload attributes */
+static const struct nla_policy
+nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
+ [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN },
+ [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN },
+ [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN },
+};
+
/* ifidx get helper */
static int nl80211_get_ifidx(struct netlink_callback *cb)
{
@@ -3461,9 +3470,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
- if (rdev->sched_scan_req)
- return -EINPROGRESS;
-
if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
return -EINVAL;
@@ -3502,12 +3508,21 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_scan_ie_len)
return -EINVAL;
+ mutex_lock(&rdev->sched_scan_mtx);
+
+ if (rdev->sched_scan_req) {
+ err = -EINPROGRESS;
+ goto out;
+ }
+
request = kzalloc(sizeof(*request)
+ sizeof(*request->ssids) * n_ssids
+ sizeof(*request->channels) * n_channels
+ ie_len, GFP_KERNEL);
- if (!request)
- return -ENOMEM;
+ if (!request) {
+ err = -ENOMEM;
+ goto out;
+ }
if (n_ssids)
request->ssids = (void *)&request->channels[n_channels];
@@ -3605,6 +3620,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
+ mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -3612,15 +3628,21 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- return __cfg80211_stop_sched_scan(rdev, false);
+ mutex_lock(&rdev->sched_scan_mtx);
+ err = __cfg80211_stop_sched_scan(rdev, false);
+ mutex_unlock(&rdev->sched_scan_mtx);
+
+ return err;
}
-static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
+static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
+ u32 seq, int flags,
struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
struct cfg80211_internal_bss *intbss)
@@ -3632,11 +3654,13 @@ static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
ASSERT_WDEV_LOCK(wdev);
- hdr = nl80211hdr_put(msg, pid, seq, flags,
+ hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).pid, seq, flags,
NL80211_CMD_NEW_SCAN_RESULTS);
if (!hdr)
return -1;
+ genl_dump_check_consistent(cb, hdr, &nl80211_fam);
+
NLA_PUT_U32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex);
@@ -3725,11 +3749,12 @@ static int nl80211_dump_scan(struct sk_buff *skb,
spin_lock_bh(&rdev->bss_lock);
cfg80211_bss_expire(rdev);
+ cb->seq = rdev->bss_generation;
+
list_for_each_entry(scan, &rdev->bss_list, list) {
if (++idx <= start)
continue;
- if (nl80211_send_bss(skb,
- NETLINK_CB(cb->skb).pid,
+ if (nl80211_send_bss(skb, cb,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev, scan) < 0) {
idx--;
@@ -3753,10 +3778,6 @@ static int nl80211_send_survey(struct sk_buff *msg, u32 pid, u32 seq,
void *hdr;
struct nlattr *infoattr;
- /* Survey without a channel doesn't make sense */
- if (!survey->channel)
- return -EINVAL;
-
hdr = nl80211hdr_put(msg, pid, seq, flags,
NL80211_CMD_NEW_SURVEY_RESULTS);
if (!hdr)
@@ -3819,6 +3840,8 @@ static int nl80211_dump_survey(struct sk_buff *skb,
}
while (1) {
+ struct ieee80211_channel *chan;
+
res = dev->ops->dump_survey(&dev->wiphy, netdev, survey_idx,
&survey);
if (res == -ENOENT)
@@ -3826,6 +3849,19 @@ static int nl80211_dump_survey(struct sk_buff *skb,
if (res)
goto out_err;
+ /* Survey without a channel doesn't make sense */
+ if (!survey.channel) {
+ res = -EINVAL;
+ goto out;
+ }
+
+ chan = ieee80211_get_channel(&dev->wiphy,
+ survey.channel->center_freq);
+ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
+ survey_idx++;
+ continue;
+ }
+
if (nl80211_send_survey(skb,
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
@@ -4360,6 +4396,93 @@ static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_testmode_dump(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct cfg80211_registered_device *dev;
+ int err;
+ long phy_idx;
+ void *data = NULL;
+ int data_len = 0;
+
+ if (cb->args[0]) {
+ /*
+ * 0 is a valid index, but not valid for args[0],
+ * so we need to offset by 1.
+ */
+ phy_idx = cb->args[0] - 1;
+ } else {
+ err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
+ nl80211_fam.attrbuf, nl80211_fam.maxattr,
+ nl80211_policy);
+ if (err)
+ return err;
+ if (!nl80211_fam.attrbuf[NL80211_ATTR_WIPHY])
+ return -EINVAL;
+ phy_idx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
+ if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
+ cb->args[1] =
+ (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
+ }
+
+ if (cb->args[1]) {
+ data = nla_data((void *)cb->args[1]);
+ data_len = nla_len((void *)cb->args[1]);
+ }
+
+ mutex_lock(&cfg80211_mutex);
+ dev = cfg80211_rdev_by_wiphy_idx(phy_idx);
+ if (!dev) {
+ mutex_unlock(&cfg80211_mutex);
+ return -ENOENT;
+ }
+ cfg80211_lock_rdev(dev);
+ mutex_unlock(&cfg80211_mutex);
+
+ if (!dev->ops->testmode_dump) {
+ err = -EOPNOTSUPP;
+ goto out_err;
+ }
+
+ while (1) {
+ void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ NL80211_CMD_TESTMODE);
+ struct nlattr *tmdata;
+
+ if (nla_put_u32(skb, NL80211_ATTR_WIPHY, dev->wiphy_idx) < 0) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA);
+ if (!tmdata) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+ err = dev->ops->testmode_dump(&dev->wiphy, skb, cb,
+ data, data_len);
+ nla_nest_end(skb, tmdata);
+
+ if (err == -ENOBUFS || err == -ENOENT) {
+ genlmsg_cancel(skb, hdr);
+ break;
+ } else if (err) {
+ genlmsg_cancel(skb, hdr);
+ goto out_err;
+ }
+
+ genlmsg_end(skb, hdr);
+ }
+
+ err = skb->len;
+ /* see above */
+ cb->args[0] = phy_idx + 1;
+ out_err:
+ cfg80211_unlock_rdev(dev);
+ return err;
+}
+
static struct sk_buff *
__cfg80211_testmode_alloc_skb(struct cfg80211_registered_device *rdev,
int approxlen, u32 pid, u32 seq, gfp_t gfp)
@@ -5306,6 +5429,57 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
return err;
}
+static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct nlattr *tb[NUM_NL80211_REKEY_DATA];
+ struct cfg80211_gtk_rekey_data rekey_data;
+ int err;
+
+ if (!info->attrs[NL80211_ATTR_REKEY_DATA])
+ return -EINVAL;
+
+ err = nla_parse(tb, MAX_NL80211_REKEY_DATA,
+ nla_data(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nla_len(info->attrs[NL80211_ATTR_REKEY_DATA]),
+ nl80211_rekey_policy);
+ if (err)
+ return err;
+
+ if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
+ return -ERANGE;
+ if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
+ return -ERANGE;
+ if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
+ return -ERANGE;
+
+ memcpy(rekey_data.kek, nla_data(tb[NL80211_REKEY_DATA_KEK]),
+ NL80211_KEK_LEN);
+ memcpy(rekey_data.kck, nla_data(tb[NL80211_REKEY_DATA_KCK]),
+ NL80211_KCK_LEN);
+ memcpy(rekey_data.replay_ctr,
+ nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]),
+ NL80211_REPLAY_CTR_LEN);
+
+ wdev_lock(wdev);
+ if (!wdev->current_bss) {
+ err = -ENOTCONN;
+ goto out;
+ }
+
+ if (!rdev->ops->set_rekey_data) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = rdev->ops->set_rekey_data(&rdev->wiphy, dev, &rekey_data);
+ out:
+ wdev_unlock(wdev);
+ return err;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -5657,6 +5831,7 @@ static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_TESTMODE,
.doit = nl80211_testmode_do,
+ .dumpit = nl80211_testmode_dump,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WIPHY |
@@ -5836,6 +6011,14 @@ static struct genl_ops nl80211_ops[] = {
.internal_flags = NL80211_FLAG_NEED_WIPHY |
NL80211_FLAG_NEED_RTNL,
},
+ {
+ .cmd = NL80211_CMD_SET_REKEY_OFFLOAD,
+ .doit = nl80211_set_rekey_data,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
@@ -6463,7 +6646,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
if (addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
+ if (key_id != -1)
+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
if (tsc)
NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
@@ -6779,6 +6963,51 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ struct nlattr *rekey_attr;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+
+ rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA);
+ if (!rekey_attr)
+ goto nla_put_failure;
+
+ NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR,
+ NL80211_REPLAY_CTR_LEN, replay_ctr);
+
+ nla_nest_end(msg, rekey_attr);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
void
nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 2f1bfb87a65..5d69c56400a 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -109,4 +109,8 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp);
+void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *replay_ctr, gfp_t gfp);
+
#endif /* __NET_WIRELESS_NL80211_H */
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7a6c67667d7..1c4672e3514 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -100,14 +100,14 @@ void __cfg80211_sched_scan_results(struct work_struct *wk)
rdev = container_of(wk, struct cfg80211_registered_device,
sched_scan_results_wk);
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
/* we don't have sched_scan_req anymore if the scan is stopping */
if (rdev->sched_scan_req)
nl80211_send_sched_scan_results(rdev,
rdev->sched_scan_req->dev);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
}
void cfg80211_sched_scan_results(struct wiphy *wiphy)
@@ -123,27 +123,26 @@ void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- cfg80211_lock_rdev(rdev);
+ mutex_lock(&rdev->sched_scan_mtx);
__cfg80211_stop_sched_scan(rdev, true);
- cfg80211_unlock_rdev(rdev);
+ mutex_unlock(&rdev->sched_scan_mtx);
}
EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
bool driver_initiated)
{
- int err;
struct net_device *dev;
- ASSERT_RDEV_LOCK(rdev);
+ lockdep_assert_held(&rdev->sched_scan_mtx);
if (!rdev->sched_scan_req)
- return 0;
+ return -ENOENT;
dev = rdev->sched_scan_req->dev;
if (!driver_initiated) {
- err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
+ int err = rdev->ops->sched_scan_stop(&rdev->wiphy, dev);
if (err)
return err;
}
@@ -153,7 +152,7 @@ int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
kfree(rdev->sched_scan_req);
rdev->sched_scan_req = NULL;
- return err;
+ return 0;
}
static void bss_release(struct kref *ref)
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 4680b1e4c79..d30615419b4 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -237,21 +237,21 @@ static int x25_device_event(struct notifier_block *this, unsigned long event,
#endif
) {
switch (event) {
- case NETDEV_UP:
- x25_link_device_up(dev);
- break;
- case NETDEV_GOING_DOWN:
- nb = x25_get_neigh(dev);
- if (nb) {
- x25_terminate_link(nb);
- x25_neigh_put(nb);
- }
- break;
- case NETDEV_DOWN:
- x25_kill_by_device(dev);
- x25_route_device_down(dev);
- x25_link_device_down(dev);
- break;
+ case NETDEV_UP:
+ x25_link_device_up(dev);
+ break;
+ case NETDEV_GOING_DOWN:
+ nb = x25_get_neigh(dev);
+ if (nb) {
+ x25_terminate_link(nb);
+ x25_neigh_put(nb);
+ }
+ break;
+ case NETDEV_DOWN:
+ x25_kill_by_device(dev);
+ x25_route_device_down(dev);
+ x25_link_device_down(dev);
+ break;
}
}
@@ -1336,256 +1336,253 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
int rc;
switch (cmd) {
- case TIOCOUTQ: {
- int amount;
+ case TIOCOUTQ: {
+ int amount;
- amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
- if (amount < 0)
- amount = 0;
- rc = put_user(amount, (unsigned int __user *)argp);
- break;
- }
+ amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
+ if (amount < 0)
+ amount = 0;
+ rc = put_user(amount, (unsigned int __user *)argp);
+ break;
+ }
- case TIOCINQ: {
- struct sk_buff *skb;
- int amount = 0;
- /*
- * These two are safe on a single CPU system as
- * only user tasks fiddle here
- */
- lock_sock(sk);
- if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
- amount = skb->len;
- release_sock(sk);
- rc = put_user(amount, (unsigned int __user *)argp);
- break;
- }
+ case TIOCINQ: {
+ struct sk_buff *skb;
+ int amount = 0;
+ /*
+ * These two are safe on a single CPU system as
+ * only user tasks fiddle here
+ */
+ lock_sock(sk);
+ if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
+ amount = skb->len;
+ release_sock(sk);
+ rc = put_user(amount, (unsigned int __user *)argp);
+ break;
+ }
- case SIOCGSTAMP:
- rc = -EINVAL;
- if (sk)
- rc = sock_get_timestamp(sk,
+ case SIOCGSTAMP:
+ rc = -EINVAL;
+ if (sk)
+ rc = sock_get_timestamp(sk,
(struct timeval __user *)argp);
+ break;
+ case SIOCGSTAMPNS:
+ rc = -EINVAL;
+ if (sk)
+ rc = sock_get_timestampns(sk,
+ (struct timespec __user *)argp);
+ break;
+ case SIOCGIFADDR:
+ case SIOCSIFADDR:
+ case SIOCGIFDSTADDR:
+ case SIOCSIFDSTADDR:
+ case SIOCGIFBRDADDR:
+ case SIOCSIFBRDADDR:
+ case SIOCGIFNETMASK:
+ case SIOCSIFNETMASK:
+ case SIOCGIFMETRIC:
+ case SIOCSIFMETRIC:
+ rc = -EINVAL;
+ break;
+ case SIOCADDRT:
+ case SIOCDELRT:
+ rc = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
break;
- case SIOCGSTAMPNS:
- rc = -EINVAL;
- if (sk)
- rc = sock_get_timestampns(sk,
- (struct timespec __user *)argp);
- break;
- case SIOCGIFADDR:
- case SIOCSIFADDR:
- case SIOCGIFDSTADDR:
- case SIOCSIFDSTADDR:
- case SIOCGIFBRDADDR:
- case SIOCSIFBRDADDR:
- case SIOCGIFNETMASK:
- case SIOCSIFNETMASK:
- case SIOCGIFMETRIC:
- case SIOCSIFMETRIC:
- rc = -EINVAL;
- break;
- case SIOCADDRT:
- case SIOCDELRT:
- rc = -EPERM;
- if (!capable(CAP_NET_ADMIN))
- break;
- rc = x25_route_ioctl(cmd, argp);
- break;
- case SIOCX25GSUBSCRIP:
- rc = x25_subscr_ioctl(cmd, argp);
- break;
- case SIOCX25SSUBSCRIP:
- rc = -EPERM;
- if (!capable(CAP_NET_ADMIN))
- break;
- rc = x25_subscr_ioctl(cmd, argp);
- break;
- case SIOCX25GFACILITIES: {
- lock_sock(sk);
- rc = copy_to_user(argp, &x25->facilities,
- sizeof(x25->facilities))
- ? -EFAULT : 0;
- release_sock(sk);
+ rc = x25_route_ioctl(cmd, argp);
+ break;
+ case SIOCX25GSUBSCRIP:
+ rc = x25_subscr_ioctl(cmd, argp);
+ break;
+ case SIOCX25SSUBSCRIP:
+ rc = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
break;
- }
+ rc = x25_subscr_ioctl(cmd, argp);
+ break;
+ case SIOCX25GFACILITIES: {
+ lock_sock(sk);
+ rc = copy_to_user(argp, &x25->facilities,
+ sizeof(x25->facilities))
+ ? -EFAULT : 0;
+ release_sock(sk);
+ break;
+ }
- case SIOCX25SFACILITIES: {
- struct x25_facilities facilities;
- rc = -EFAULT;
- if (copy_from_user(&facilities, argp,
- sizeof(facilities)))
- break;
- rc = -EINVAL;
- lock_sock(sk);
- if (sk->sk_state != TCP_LISTEN &&
- sk->sk_state != TCP_CLOSE)
- goto out_fac_release;
- if (facilities.pacsize_in < X25_PS16 ||
- facilities.pacsize_in > X25_PS4096)
- goto out_fac_release;
- if (facilities.pacsize_out < X25_PS16 ||
- facilities.pacsize_out > X25_PS4096)
- goto out_fac_release;
- if (facilities.winsize_in < 1 ||
- facilities.winsize_in > 127)
+ case SIOCX25SFACILITIES: {
+ struct x25_facilities facilities;
+ rc = -EFAULT;
+ if (copy_from_user(&facilities, argp, sizeof(facilities)))
+ break;
+ rc = -EINVAL;
+ lock_sock(sk);
+ if (sk->sk_state != TCP_LISTEN &&
+ sk->sk_state != TCP_CLOSE)
+ goto out_fac_release;
+ if (facilities.pacsize_in < X25_PS16 ||
+ facilities.pacsize_in > X25_PS4096)
+ goto out_fac_release;
+ if (facilities.pacsize_out < X25_PS16 ||
+ facilities.pacsize_out > X25_PS4096)
+ goto out_fac_release;
+ if (facilities.winsize_in < 1 ||
+ facilities.winsize_in > 127)
+ goto out_fac_release;
+ if (facilities.throughput) {
+ int out = facilities.throughput & 0xf0;
+ int in = facilities.throughput & 0x0f;
+ if (!out)
+ facilities.throughput |=
+ X25_DEFAULT_THROUGHPUT << 4;
+ else if (out < 0x30 || out > 0xD0)
goto out_fac_release;
- if (facilities.throughput) {
- int out = facilities.throughput & 0xf0;
- int in = facilities.throughput & 0x0f;
- if (!out)
- facilities.throughput |=
- X25_DEFAULT_THROUGHPUT << 4;
- else if (out < 0x30 || out > 0xD0)
- goto out_fac_release;
- if (!in)
- facilities.throughput |=
- X25_DEFAULT_THROUGHPUT;
- else if (in < 0x03 || in > 0x0D)
- goto out_fac_release;
- }
- if (facilities.reverse &&
- (facilities.reverse & 0x81) != 0x81)
+ if (!in)
+ facilities.throughput |=
+ X25_DEFAULT_THROUGHPUT;
+ else if (in < 0x03 || in > 0x0D)
goto out_fac_release;
- x25->facilities = facilities;
- rc = 0;
-out_fac_release:
- release_sock(sk);
- break;
- }
-
- case SIOCX25GDTEFACILITIES: {
- lock_sock(sk);
- rc = copy_to_user(argp, &x25->dte_facilities,
- sizeof(x25->dte_facilities));
- release_sock(sk);
- if (rc)
- rc = -EFAULT;
- break;
}
+ if (facilities.reverse &&
+ (facilities.reverse & 0x81) != 0x81)
+ goto out_fac_release;
+ x25->facilities = facilities;
+ rc = 0;
+out_fac_release:
+ release_sock(sk);
+ break;
+ }
- case SIOCX25SDTEFACILITIES: {
- struct x25_dte_facilities dtefacs;
+ case SIOCX25GDTEFACILITIES: {
+ lock_sock(sk);
+ rc = copy_to_user(argp, &x25->dte_facilities,
+ sizeof(x25->dte_facilities));
+ release_sock(sk);
+ if (rc)
rc = -EFAULT;
- if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
- break;
- rc = -EINVAL;
- lock_sock(sk);
- if (sk->sk_state != TCP_LISTEN &&
- sk->sk_state != TCP_CLOSE)
- goto out_dtefac_release;
- if (dtefacs.calling_len > X25_MAX_AE_LEN)
- goto out_dtefac_release;
- if (dtefacs.calling_ae == NULL)
- goto out_dtefac_release;
- if (dtefacs.called_len > X25_MAX_AE_LEN)
- goto out_dtefac_release;
- if (dtefacs.called_ae == NULL)
- goto out_dtefac_release;
- x25->dte_facilities = dtefacs;
- rc = 0;
-out_dtefac_release:
- release_sock(sk);
- break;
- }
+ break;
+ }
- case SIOCX25GCALLUSERDATA: {
- lock_sock(sk);
- rc = copy_to_user(argp, &x25->calluserdata,
- sizeof(x25->calluserdata))
- ? -EFAULT : 0;
- release_sock(sk);
+ case SIOCX25SDTEFACILITIES: {
+ struct x25_dte_facilities dtefacs;
+ rc = -EFAULT;
+ if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
break;
- }
+ rc = -EINVAL;
+ lock_sock(sk);
+ if (sk->sk_state != TCP_LISTEN &&
+ sk->sk_state != TCP_CLOSE)
+ goto out_dtefac_release;
+ if (dtefacs.calling_len > X25_MAX_AE_LEN)
+ goto out_dtefac_release;
+ if (dtefacs.calling_ae == NULL)
+ goto out_dtefac_release;
+ if (dtefacs.called_len > X25_MAX_AE_LEN)
+ goto out_dtefac_release;
+ if (dtefacs.called_ae == NULL)
+ goto out_dtefac_release;
+ x25->dte_facilities = dtefacs;
+ rc = 0;
+out_dtefac_release:
+ release_sock(sk);
+ break;
+ }
- case SIOCX25SCALLUSERDATA: {
- struct x25_calluserdata calluserdata;
+ case SIOCX25GCALLUSERDATA: {
+ lock_sock(sk);
+ rc = copy_to_user(argp, &x25->calluserdata,
+ sizeof(x25->calluserdata))
+ ? -EFAULT : 0;
+ release_sock(sk);
+ break;
+ }
- rc = -EFAULT;
- if (copy_from_user(&calluserdata, argp,
- sizeof(calluserdata)))
- break;
- rc = -EINVAL;
- if (calluserdata.cudlength > X25_MAX_CUD_LEN)
- break;
- lock_sock(sk);
- x25->calluserdata = calluserdata;
- release_sock(sk);
- rc = 0;
- break;
- }
+ case SIOCX25SCALLUSERDATA: {
+ struct x25_calluserdata calluserdata;
- case SIOCX25GCAUSEDIAG: {
- lock_sock(sk);
- rc = copy_to_user(argp, &x25->causediag,
- sizeof(x25->causediag))
- ? -EFAULT : 0;
- release_sock(sk);
+ rc = -EFAULT;
+ if (copy_from_user(&calluserdata, argp, sizeof(calluserdata)))
break;
- }
+ rc = -EINVAL;
+ if (calluserdata.cudlength > X25_MAX_CUD_LEN)
+ break;
+ lock_sock(sk);
+ x25->calluserdata = calluserdata;
+ release_sock(sk);
+ rc = 0;
+ break;
+ }
- case SIOCX25SCAUSEDIAG: {
- struct x25_causediag causediag;
- rc = -EFAULT;
- if (copy_from_user(&causediag, argp, sizeof(causediag)))
- break;
- lock_sock(sk);
- x25->causediag = causediag;
- release_sock(sk);
- rc = 0;
+ case SIOCX25GCAUSEDIAG: {
+ lock_sock(sk);
+ rc = copy_to_user(argp, &x25->causediag, sizeof(x25->causediag))
+ ? -EFAULT : 0;
+ release_sock(sk);
+ break;
+ }
+
+ case SIOCX25SCAUSEDIAG: {
+ struct x25_causediag causediag;
+ rc = -EFAULT;
+ if (copy_from_user(&causediag, argp, sizeof(causediag)))
break;
+ lock_sock(sk);
+ x25->causediag = causediag;
+ release_sock(sk);
+ rc = 0;
+ break;
- }
+ }
- case SIOCX25SCUDMATCHLEN: {
- struct x25_subaddr sub_addr;
- rc = -EINVAL;
- lock_sock(sk);
- if(sk->sk_state != TCP_CLOSE)
- goto out_cud_release;
- rc = -EFAULT;
- if (copy_from_user(&sub_addr, argp,
- sizeof(sub_addr)))
- goto out_cud_release;
- rc = -EINVAL;
- if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
- goto out_cud_release;
- x25->cudmatchlength = sub_addr.cudmatchlength;
- rc = 0;
+ case SIOCX25SCUDMATCHLEN: {
+ struct x25_subaddr sub_addr;
+ rc = -EINVAL;
+ lock_sock(sk);
+ if(sk->sk_state != TCP_CLOSE)
+ goto out_cud_release;
+ rc = -EFAULT;
+ if (copy_from_user(&sub_addr, argp,
+ sizeof(sub_addr)))
+ goto out_cud_release;
+ rc = -EINVAL;
+ if (sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
+ goto out_cud_release;
+ x25->cudmatchlength = sub_addr.cudmatchlength;
+ rc = 0;
out_cud_release:
- release_sock(sk);
- break;
- }
+ release_sock(sk);
+ break;
+ }
- case SIOCX25CALLACCPTAPPRV: {
- rc = -EINVAL;
- lock_sock(sk);
- if (sk->sk_state != TCP_CLOSE)
- break;
- clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
- release_sock(sk);
- rc = 0;
+ case SIOCX25CALLACCPTAPPRV: {
+ rc = -EINVAL;
+ lock_sock(sk);
+ if (sk->sk_state != TCP_CLOSE)
break;
- }
+ clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
+ release_sock(sk);
+ rc = 0;
+ break;
+ }
- case SIOCX25SENDCALLACCPT: {
- rc = -EINVAL;
- lock_sock(sk);
- if (sk->sk_state != TCP_ESTABLISHED)
- break;
- /* must call accptapprv above */
- if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
- break;
- x25_write_internal(sk, X25_CALL_ACCEPTED);
- x25->state = X25_STATE_3;
- release_sock(sk);
- rc = 0;
+ case SIOCX25SENDCALLACCPT: {
+ rc = -EINVAL;
+ lock_sock(sk);
+ if (sk->sk_state != TCP_ESTABLISHED)
break;
- }
-
- default:
- rc = -ENOIOCTLCMD;
+ /* must call accptapprv above */
+ if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
break;
+ x25_write_internal(sk, X25_CALL_ACCEPTED);
+ x25->state = X25_STATE_3;
+ release_sock(sk);
+ rc = 0;
+ break;
+ }
+
+ default:
+ rc = -ENOIOCTLCMD;
+ break;
}
return rc;
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 9005f6daeab..e547ca1578c 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -146,21 +146,21 @@ void x25_establish_link(struct x25_neigh *nb)
unsigned char *ptr;
switch (nb->dev->type) {
- case ARPHRD_X25:
- if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
- printk(KERN_ERR "x25_dev: out of memory\n");
- return;
- }
- ptr = skb_put(skb, 1);
- *ptr = X25_IFACE_CONNECT;
- break;
+ case ARPHRD_X25:
+ if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
+ printk(KERN_ERR "x25_dev: out of memory\n");
+ return;
+ }
+ ptr = skb_put(skb, 1);
+ *ptr = X25_IFACE_CONNECT;
+ break;
#if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
- case ARPHRD_ETHER:
- return;
+ case ARPHRD_ETHER:
+ return;
#endif
- default:
- return;
+ default:
+ return;
}
skb->protocol = htons(ETH_P_X25);
@@ -202,19 +202,19 @@ void x25_send_frame(struct sk_buff *skb, struct x25_neigh *nb)
skb_reset_network_header(skb);
switch (nb->dev->type) {
- case ARPHRD_X25:
- dptr = skb_push(skb, 1);
- *dptr = X25_IFACE_DATA;
- break;
+ case ARPHRD_X25:
+ dptr = skb_push(skb, 1);
+ *dptr = X25_IFACE_DATA;
+ break;
#if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
- case ARPHRD_ETHER:
- kfree_skb(skb);
- return;
+ case ARPHRD_ETHER:
+ kfree_skb(skb);
+ return;
#endif
- default:
- kfree_skb(skb);
- return;
+ default:
+ kfree_skb(skb);
+ return;
}
skb->protocol = htons(ETH_P_X25);
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 15de65f0471..0b073b51b18 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -94,55 +94,55 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
struct x25_sock *x25 = x25_sk(sk);
switch (frametype) {
- case X25_CALL_ACCEPTED: {
-
- x25_stop_timer(sk);
- x25->condition = 0x00;
- x25->vs = 0;
- x25->va = 0;
- x25->vr = 0;
- x25->vl = 0;
- x25->state = X25_STATE_3;
- sk->sk_state = TCP_ESTABLISHED;
- /*
- * Parse the data in the frame.
- */
- skb_pull(skb, X25_STD_MIN_LEN);
-
- len = x25_parse_address_block(skb, &source_addr,
- &dest_addr);
- if (len > 0)
- skb_pull(skb, len);
- else if (len < 0)
- goto out_clear;
-
- len = x25_parse_facilities(skb, &x25->facilities,
- &x25->dte_facilities,
- &x25->vc_facil_mask);
- if (len > 0)
- skb_pull(skb, len);
- else if (len < 0)
- goto out_clear;
- /*
- * Copy any Call User Data.
- */
- if (skb->len > 0) {
- skb_copy_from_linear_data(skb,
- x25->calluserdata.cuddata,
- skb->len);
- x25->calluserdata.cudlength = skb->len;
- }
- if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_state_change(sk);
- break;
+ case X25_CALL_ACCEPTED: {
+
+ x25_stop_timer(sk);
+ x25->condition = 0x00;
+ x25->vs = 0;
+ x25->va = 0;
+ x25->vr = 0;
+ x25->vl = 0;
+ x25->state = X25_STATE_3;
+ sk->sk_state = TCP_ESTABLISHED;
+ /*
+ * Parse the data in the frame.
+ */
+ skb_pull(skb, X25_STD_MIN_LEN);
+
+ len = x25_parse_address_block(skb, &source_addr,
+ &dest_addr);
+ if (len > 0)
+ skb_pull(skb, len);
+ else if (len < 0)
+ goto out_clear;
+
+ len = x25_parse_facilities(skb, &x25->facilities,
+ &x25->dte_facilities,
+ &x25->vc_facil_mask);
+ if (len > 0)
+ skb_pull(skb, len);
+ else if (len < 0)
+ goto out_clear;
+ /*
+ * Copy any Call User Data.
+ */
+ if (skb->len > 0) {
+ skb_copy_from_linear_data(skb,
+ x25->calluserdata.cuddata,
+ skb->len);
+ x25->calluserdata.cudlength = skb->len;
}
- case X25_CLEAR_REQUEST:
- x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
- x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
- break;
+ if (!sock_flag(sk, SOCK_DEAD))
+ sk->sk_state_change(sk);
+ break;
+ }
+ case X25_CLEAR_REQUEST:
+ x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
+ x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
+ break;
- default:
- break;
+ default:
+ break;
}
return 0;
@@ -354,18 +354,18 @@ int x25_process_rx_frame(struct sock *sk, struct sk_buff *skb)
frametype = x25_decode(sk, skb, &ns, &nr, &q, &d, &m);
switch (x25->state) {
- case X25_STATE_1:
- queued = x25_state1_machine(sk, skb, frametype);
- break;
- case X25_STATE_2:
- queued = x25_state2_machine(sk, skb, frametype);
- break;
- case X25_STATE_3:
- queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
- break;
- case X25_STATE_4:
- queued = x25_state4_machine(sk, skb, frametype);
- break;
+ case X25_STATE_1:
+ queued = x25_state1_machine(sk, skb, frametype);
+ break;
+ case X25_STATE_2:
+ queued = x25_state2_machine(sk, skb, frametype);
+ break;
+ case X25_STATE_3:
+ queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
+ break;
+ case X25_STATE_4:
+ queued = x25_state4_machine(sk, skb, frametype);
+ break;
}
x25_kick(sk);
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index 21306928d47..037958ff8ee 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -76,30 +76,29 @@ void x25_link_control(struct sk_buff *skb, struct x25_neigh *nb,
int confirm;
switch (frametype) {
- case X25_RESTART_REQUEST:
- confirm = !x25_t20timer_pending(nb);
- x25_stop_t20timer(nb);
- nb->state = X25_LINK_STATE_3;
- if (confirm)
- x25_transmit_restart_confirmation(nb);
- break;
-
- case X25_RESTART_CONFIRMATION:
- x25_stop_t20timer(nb);
- nb->state = X25_LINK_STATE_3;
- break;
-
- case X25_DIAGNOSTIC:
- printk(KERN_WARNING "x25: diagnostic #%d - "
- "%02X %02X %02X\n",
- skb->data[3], skb->data[4],
- skb->data[5], skb->data[6]);
- break;
-
- default:
- printk(KERN_WARNING "x25: received unknown %02X "
- "with LCI 000\n", frametype);
- break;
+ case X25_RESTART_REQUEST:
+ confirm = !x25_t20timer_pending(nb);
+ x25_stop_t20timer(nb);
+ nb->state = X25_LINK_STATE_3;
+ if (confirm)
+ x25_transmit_restart_confirmation(nb);
+ break;
+
+ case X25_RESTART_CONFIRMATION:
+ x25_stop_t20timer(nb);
+ nb->state = X25_LINK_STATE_3;
+ break;
+
+ case X25_DIAGNOSTIC:
+ printk(KERN_WARNING "x25: diagnostic #%d - %02X %02X %02X\n",
+ skb->data[3], skb->data[4],
+ skb->data[5], skb->data[6]);
+ break;
+
+ default:
+ printk(KERN_WARNING "x25: received unknown %02X with LCI 000\n",
+ frametype);
+ break;
}
if (nb->state == X25_LINK_STATE_3)
@@ -193,18 +192,18 @@ void x25_transmit_clear_request(struct x25_neigh *nb, unsigned int lci,
void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
{
switch (nb->state) {
- case X25_LINK_STATE_0:
- skb_queue_tail(&nb->queue, skb);
- nb->state = X25_LINK_STATE_1;
- x25_establish_link(nb);
- break;
- case X25_LINK_STATE_1:
- case X25_LINK_STATE_2:
- skb_queue_tail(&nb->queue, skb);
- break;
- case X25_LINK_STATE_3:
- x25_send_frame(skb, nb);
- break;
+ case X25_LINK_STATE_0:
+ skb_queue_tail(&nb->queue, skb);
+ nb->state = X25_LINK_STATE_1;
+ x25_establish_link(nb);
+ break;
+ case X25_LINK_STATE_1:
+ case X25_LINK_STATE_2:
+ skb_queue_tail(&nb->queue, skb);
+ break;
+ case X25_LINK_STATE_3:
+ x25_send_frame(skb, nb);
+ break;
}
}
@@ -214,14 +213,14 @@ void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
void x25_link_established(struct x25_neigh *nb)
{
switch (nb->state) {
- case X25_LINK_STATE_0:
- nb->state = X25_LINK_STATE_2;
- break;
- case X25_LINK_STATE_1:
- x25_transmit_restart_request(nb);
- nb->state = X25_LINK_STATE_2;
- x25_start_t20timer(nb);
- break;
+ case X25_LINK_STATE_0:
+ nb->state = X25_LINK_STATE_2;
+ break;
+ case X25_LINK_STATE_1:
+ x25_transmit_restart_request(nb);
+ nb->state = X25_LINK_STATE_2;
+ x25_start_t20timer(nb);
+ break;
}
}
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index dc20cf12f39..24a342ebc7f 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -126,32 +126,30 @@ void x25_write_internal(struct sock *sk, int frametype)
* Adjust frame size.
*/
switch (frametype) {
- case X25_CALL_REQUEST:
- len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN +
- X25_MAX_CUD_LEN;
- break;
- case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
- if(x25->facilities.reverse & 0x80) {
- len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
- } else {
- len += 1 + X25_MAX_FAC_LEN;
- }
- break;
- case X25_CLEAR_REQUEST:
- case X25_RESET_REQUEST:
- len += 2;
- break;
- case X25_RR:
- case X25_RNR:
- case X25_REJ:
- case X25_CLEAR_CONFIRMATION:
- case X25_INTERRUPT_CONFIRMATION:
- case X25_RESET_CONFIRMATION:
- break;
- default:
- printk(KERN_ERR "X.25: invalid frame type %02X\n",
- frametype);
- return;
+ case X25_CALL_REQUEST:
+ len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+ break;
+ case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
+ if (x25->facilities.reverse & 0x80) {
+ len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+ } else {
+ len += 1 + X25_MAX_FAC_LEN;
+ }
+ break;
+ case X25_CLEAR_REQUEST:
+ case X25_RESET_REQUEST:
+ len += 2;
+ break;
+ case X25_RR:
+ case X25_RNR:
+ case X25_REJ:
+ case X25_CLEAR_CONFIRMATION:
+ case X25_INTERRUPT_CONFIRMATION:
+ case X25_RESET_CONFIRMATION:
+ break;
+ default:
+ printk(KERN_ERR "X.25: invalid frame type %02X\n", frametype);
+ return;
}
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
@@ -276,20 +274,20 @@ int x25_decode(struct sock *sk, struct sk_buff *skb, int *ns, int *nr, int *q,
*ns = *nr = *q = *d = *m = 0;
switch (frame[2]) {
- case X25_CALL_REQUEST:
- case X25_CALL_ACCEPTED:
- case X25_CLEAR_REQUEST:
- case X25_CLEAR_CONFIRMATION:
- case X25_INTERRUPT:
- case X25_INTERRUPT_CONFIRMATION:
- case X25_RESET_REQUEST:
- case X25_RESET_CONFIRMATION:
- case X25_RESTART_REQUEST:
- case X25_RESTART_CONFIRMATION:
- case X25_REGISTRATION_REQUEST:
- case X25_REGISTRATION_CONFIRMATION:
- case X25_DIAGNOSTIC:
- return frame[2];
+ case X25_CALL_REQUEST:
+ case X25_CALL_ACCEPTED:
+ case X25_CLEAR_REQUEST:
+ case X25_CLEAR_CONFIRMATION:
+ case X25_INTERRUPT:
+ case X25_INTERRUPT_CONFIRMATION:
+ case X25_RESET_REQUEST:
+ case X25_RESET_CONFIRMATION:
+ case X25_RESTART_REQUEST:
+ case X25_RESTART_CONFIRMATION:
+ case X25_REGISTRATION_REQUEST:
+ case X25_REGISTRATION_CONFIRMATION:
+ case X25_DIAGNOSTIC:
+ return frame[2];
}
if (x25->neighbour->extended) {
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9bec2e8a838..94fdcc7f103 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -50,7 +50,7 @@ static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
static void xfrm_init_pmtu(struct dst_entry *dst);
static int stale_bundle(struct dst_entry *dst);
-static int xfrm_bundle_ok(struct xfrm_dst *xdst, int family);
+static int xfrm_bundle_ok(struct xfrm_dst *xdst);
static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
@@ -1497,7 +1497,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
goto free_dst;
/* Copy neighbour for reachability confirmation */
- dst0->neighbour = neigh_clone(dst->neighbour);
+ dst_set_neighbour(dst0, neigh_clone(dst_get_neighbour(dst)));
xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len);
xfrm_init_pmtu(dst_prev);
@@ -2241,7 +2241,7 @@ static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
static int stale_bundle(struct dst_entry *dst)
{
- return !xfrm_bundle_ok((struct xfrm_dst *)dst, AF_UNSPEC);
+ return !xfrm_bundle_ok((struct xfrm_dst *)dst);
}
void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
@@ -2313,7 +2313,7 @@ static void xfrm_init_pmtu(struct dst_entry *dst)
* still valid.
*/
-static int xfrm_bundle_ok(struct xfrm_dst *first, int family)
+static int xfrm_bundle_ok(struct xfrm_dst *first)
{
struct dst_entry *dst = &first->u.dst;
struct xfrm_dst *last;
@@ -2385,6 +2385,11 @@ static unsigned int xfrm_default_mtu(const struct dst_entry *dst)
return dst_mtu(dst->path);
}
+static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+{
+ return dst_neigh_lookup(dst->path, daddr);
+}
+
int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
{
struct net *net;
@@ -2410,6 +2415,8 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
dst_ops->negative_advice = xfrm_negative_advice;
if (likely(dst_ops->link_failure == NULL))
dst_ops->link_failure = xfrm_link_failure;
+ if (likely(dst_ops->neigh_lookup == NULL))
+ dst_ops->neigh_lookup = xfrm_neigh_lookup;
if (likely(afinfo->garbage_collect == NULL))
afinfo->garbage_collect = __xfrm_garbage_collect;
xfrm_policy_afinfo[afinfo->family] = afinfo;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d70f85eb786..9414b9c5b1e 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1345,6 +1345,8 @@ out:
xfrm_state_check_expire(x1);
err = 0;
+ x->km.state = XFRM_STATE_DEAD;
+ __xfrm_state_put(x);
}
spin_unlock_bh(&x1->lock);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c658cb3bc7c..0256b8a0a7c 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2299,7 +2299,8 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (link->dump == NULL)
return -EINVAL;
- return netlink_dump_start(net->xfrm.nlsk, skb, nlh, link->dump, link->done);
+ return netlink_dump_start(net->xfrm.nlsk, skb, nlh,
+ link->dump, link->done, 0);
}
err = nlmsg_parse(nlh, xfrm_msg_min[type], attrs, XFRMA_MAX,