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2008-07-30ipv6: Fix useless proc net sockstat6 removalDaniel Lezcano1-1/+0
This call is no longer needed, sockstat6 is per namespace so it is removed at the namespace subsystem destruction. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-30tcp: MD5: Use MIB counter instead of warning for MD5 mismatch.David S. Miller1-19/+8
From a report by Matti Aarnio, and preliminary patch by Adam Langley. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-29IPv6: datagram_send_ctl() should exit immediately when an error occuredMiao Xie1-1/+1
When an error occured, datagram_send_ctl() should exit immediately rather than continue to run the for loop. Otherwise, the variable err might be changed and the error might be hidden. Fix this bug by using "goto" instead of "break". Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-27net: missing bits of net-namespace / sysctlAl Viro2-0/+28
Piss-poor sysctl registration API strikes again, film at 11... What we really need is _pathname_ required to be present in already registered table, so that kernel could warn about bad order. That's the next target for sysctl stuff (and generally saner and more explicit order of initialization of ipv[46] internals wouldn't hurt either). For the time being, here are full fixups required by ..._rotable() stuff; we make per-net sysctl sets descendents of "ro" one and make sure that sufficient skeleton is there before we start registering per-net sysctls. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-27Merge branch 'master' of ↵David S. Miller1-6/+3
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
2008-07-27ipcomp: Fix warnings after ipcomp consolidation.David S. Miller1-3/+1
net/ipv4/ipcomp.c: In function ‘ipcomp4_init_state’: net/ipv4/ipcomp.c:109: warning: unused variable ‘calg_desc’ net/ipv4/ipcomp.c:108: warning: unused variable ‘ipcd’ net/ipv4/ipcomp.c:107: warning: ‘err’ may be used uninitialized in this function net/ipv6/ipcomp6.c: In function ‘ipcomp6_init_state’: net/ipv6/ipcomp6.c:139: warning: unused variable ‘calg_desc’ net/ipv6/ipcomp6.c:138: warning: unused variable ‘ipcd’ net/ipv6/ipcomp6.c:137: warning: ‘err’ may be used uninitialized in this function Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds12-34/+39
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: netns: fix ip_rt_frag_needed rt_is_expired netfilter: nf_conntrack_extend: avoid unnecessary "ct->ext" dereferences netfilter: fix double-free and use-after free netfilter: arptables in netns for real netfilter: ip{,6}tables_security: fix future section mismatch selinux: use nf_register_hooks() netfilter: ebtables: use nf_register_hooks() Revert "pkt_sched: sch_sfq: dump a real number of flows" qeth: use dev->ml_priv instead of dev->priv syncookies: Make sure ECN is disabled net: drop unused BUG_TRAP() net: convert BUG_TRAP to generic WARN_ON drivers/net: convert BUG_TRAP to generic WARN_ON
2008-07-26netfilter: ip{,6}tables_security: fix future section mismatchAlexey Dobriyan1-1/+1
Currently not visible, because NET_NS is mutually exclusive with SYSFS which is required by SECURITY. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-26syncookies: Make sure ECN is disabledFlorian Westphal1-0/+1
ecn_ok is not initialized when a connection is established by cookies. The cookie syn-ack never sets ECN, so ecn_ok must be set to 0. Spotted using ns-3/network simulation cradle simulator and valgrind. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-25net: convert BUG_TRAP to generic WARN_ONIlpo Järvinen10-33/+37
Removes legacy reinvent-the-wheel type thing. The generic machinery integrates much better to automated debugging aids such as kerneloops.org (and others), and is unambiguous due to better naming. Non-intuively BUG_TRAP() is actually equal to WARN_ON() rather than BUG_ON() though some might actually be promoted to BUG_ON() but I left that to future. I could make at least one BUILD_BUG_ON conversion. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2-295/+7
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: ipsec: ipcomp - Decompress into frags if necessary ipsec: ipcomp - Merge IPComp implementations pkt_sched: Fix locking in shutdown_scheduler_queue()
2008-07-25list_for_each_rcu must die: networkingPaul E. McKenney1-6/+3
All uses of list_for_each_rcu() can be profitably replaced by the easier-to-use list_for_each_entry_rcu(). This patch makes this change for networking, in preparation for removing the list_for_each_rcu() API entirely. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-25ipsec: ipcomp - Merge IPComp implementationsHerbert Xu2-295/+7
This patch merges the IPv4/IPv6 IPComp implementations since most of the code is identical. As a result future enhancements will no longer need to be duplicated. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-23netfilter: make security table depend on NETFILTER_ADVANCEDPatrick McHardy1-1/+1
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: icmp6_dst_gc return changeStephen Hemminger2-8/+5
Change icmp6_dst_gc to return the one value the caller cares about rather than using call by reference. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use kcallocStephen Hemminger1-3/+3
Th fib_table_hash is an array, so use kcalloc. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use spin_trylock_bhStephen Hemminger1-3/+1
Now there is spin_trylock_bh, use it rather than open coding. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: use round_jiffiesStephen Hemminger1-2/+3
This timer normally happens once a minute, there is no need to cause an early wakeup for it, so align it to next second boundary to safe power. It can't be deferred because then it could take too long on cleanup or DoS. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22netns: dont alloc ipv6 fib timer listStephen Hemminger1-27/+13
FIB timer list is a trivial size structure, avoid indirection and just put it in existing ns. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-22ipv6: make struct ipv6_devconf staticAdrian Bunk1-1/+1
struct ipv6_devconf can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-21ipv6: use timer pendingStephen Hemminger1-6/+6
This fixes the bridge reference count problem and cleanups ipv6 FIB timer management. Don't use expires field, because it is not a proper way to test, instead use timer_pending(). Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-20ipv6: Fix warning in addrconf code.David Miller1-2/+1
Reported by Linus. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-19ipv6 mcast: Omit redundant address family checks in ip6_mc_source().YOSHIFUJI Hideaki1-4/+0
The caller has alredy checked for them. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19ipv6 netns: Make several "global" sysctl variables namespace aware.YOSHIFUJI Hideaki9-16/+21
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19netns: Use net_eq() to compare net-namespaces for optimization.YOSHIFUJI Hideaki3-3/+3
Without CONFIG_NET_NS, namespace is always &init_net. Compiler will be able to omit namespace comparisons with this patch. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19ipv6: remove unused parameter from ip6_ra_controlDenis V. Lunev2-6/+3
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-19tcp: Fix MD5 signatures for non-linear skbsAdam Langley1-44/+83
Currently, the MD5 code assumes that the SKBs are linear and, in the case that they aren't, happily goes off and hashes off the end of the SKB and into random memory. Reported by Stephen Hemminger in [1]. Advice thanks to Stephen and Evgeniy Polyakov. Also includes a couple of missed route_caps from Stephen's patch in [2]. [1] http://marc.info/?l=linux-netdev&m=121445989106145&w=2 [2] http://marc.info/?l=linux-netdev&m=121459157816964&w=2 Signed-off-by: Adam Langley <agl@imperialviolet.org> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18proc: consolidate per-net single-release callersPavel Emelyanov2-27/+3
They are symmetrical to single_open ones :) Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-18proc: consolidate per-net single_open callersPavel Emelyanov2-42/+3
There are already 7 of them - time to kill some duplicate code. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16mib: add net to NET_INC_STATS_BHPavel Emelyanov3-10/+10
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16inet: prepare net on the stack for NET accounting macrosPavel Emelyanov1-1/+2
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16mib: add net to TCP_INC_STATS_BHPavel Emelyanov1-7/+7
Same as before - the sock is always there to get the net from, but there are also some places with the net already saved on the stack. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-16inet: prepare struct net for TCP MIB accountingPavel Emelyanov1-1/+2
This is the same as the first patch in the set, but preparing the net for TCP_XXX_STATS - save the struct net on the stack where required and possible. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-14ipv6: Fix using after dev_put()Wang Chen1-3/+5
Patrick McHardy pointed it out. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-14ipv6: Check return of dev_set_allmultiWang Chen1-2/+9
allmulti might overflow. Commit: "netdevice: Fix promiscuity and allmulti overflow" in net-next makes dev_set_promiscuity/allmulti return error number if overflow happened. Here, we check the positive increment for allmulti to get error return. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-14Merge branch 'master' of ↵David S. Miller1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: net/netfilter/nf_conntrack_proto_tcp.c
2008-07-10ipv6: missed namespace context in ipv6_rthdr_rcvDenis V. Lunev1-1/+1
Signed-off-by: Denis V. Lunev <den@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08pkt_sched: Add qdisc_tx_is_noop() helper and use in IPV6.David S. Miller1-3/+2
This indicates if the NOOP scheduler is what is active for TX on a given device. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08netdev: Move rest of qdisc state into struct netdev_queueDavid S. Miller1-1/+2
Now qdisc, qdisc_sleeping, and qdisc_list also live there. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08Merge branch 'master' of ↵David S. Miller1-2/+2
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-3945.c net/mac80211/mlme.c
2008-07-08ipv6: fix race between ipv6_del_addr and DAD timerAndrey Vagin1-2/+2
Consider the following scenario: ipv6_del_addr(ifp) ipv6_ifa_notify(RTM_DELADDR, ifp) ip6_del_rt(ifp->rt) after returning from the ipv6_ifa_notify and enabling BH-s back, but *before* calling the addrconf_del_timer the ifp->timer fires and: addrconf_dad_timer(ifp) addrconf_dad_completed(ifp) ipv6_ifa_notify(RTM_NEWADDR, ifp) ip6_ins_rt(ifp->rt) then return back to the ipv6_del_addr and: in6_ifa_put(ifp) inet6_ifa_finish_destroy(ifp) dst_release(&ifp->rt->u.dst) After this we have an ifp->rt inserted into fib6 lists, but queued for gc, which in turn can result in oopses in the fib6_run_gc. Maybe some other nasty things, but we caught only the oops in gc so far. The solution is to disarm the ifp->timer before flushing the rt from it. Signed-off-by: Andrey Vagin <avagin@parallels.com> Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08netfilter: ip6table_filter in netns for realAlexey Dobriyan1-9/+22
One still needs to remove checks in nf_hook_slow() and nf_sockopt_find() to test this, though. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-08netfilter: use correct namespace in ip6table_securityAlexey Dobriyan1-3/+3
Signed-off-by: Alexey Dobriyan <adobriyan@parallels.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-05MIB: add struct net to UDP6_INC_STATS_BHPavel Emelyanov1-6/+7
Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-05MIB: add struct net to UDP6_INC_STATS_USERPavel Emelyanov1-4/+7
As simple as the patch #1 in this set. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-07-03ipv4,ipv6 mroute: Add some helper inline functions to remove ugly ifdefs.YOSHIFUJI Hideaki1-8/+0
ip{,v6}_mroute_{set,get}sockopt() should not matter by optimization but it would be better not to depend on optimization semantically. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-07-03ipv6: Do cleanup for ip6_mr_init.Wang Chen2-6/+43
If do not do it, we will get following issues: 1. Leaving junks after inet6_init failing halfway. 2. Leaving proc and notifier junks after ipv6 modules unloading. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-07-03ipv6 route: Prefer outgoing interface with source address assigned.YOSHIFUJI Hideaki1-4/+16
Outgoing interface is selected by the route decision if unspecified. Let's prefer routes via interface(s) with the address assigned if we have multiple routes with same cost. With help from Naohiro Ooiwa <nooiwa@miraclelinux.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-07-03ipv6 addrconf: add accept_dad sysctl to control DAD operation.YOSHIFUJI Hideaki1-0/+35
- If 0, disable DAD. - If 1, perform DAD (default). - If >1, perform DAD and disable IPv6 operation if DAD for MAC-based link-local address has been failed (RFC4862 5.4.5). We do not follow RFC4862 by default. Refer to the netdev thread entitled "Linux IPv6 DAD not full conform to RFC 4862 ?" http://www.spinics.net/lists/netdev/msg52027.html Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-07-03ipv6: Add disable_ipv6 sysctl to disable IPv6 operaion on specific interface.YOSHIFUJI Hideaki3-1/+20
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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