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-rw-r--r--include/net/addrconf.h18
-rw-r--r--include/net/codel.h342
-rw-r--r--include/net/ieee802154_netdev.h27
-rw-r--r--include/net/if_inet6.h54
-rw-r--r--include/net/inet_frag.h3
-rw-r--r--include/net/ip.h17
-rw-r--r--include/net/ip6_route.h2
-rw-r--r--include/net/ipv6.h34
-rw-r--r--include/net/lapb.h6
-rw-r--r--include/net/llc_pdu.h7
-rw-r--r--include/net/mac802154.h136
-rw-r--r--include/net/rawv6.h2
-rw-r--r--include/net/sctp/sctp.h13
-rw-r--r--include/net/sock.h153
-rw-r--r--include/net/tcp.h59
-rw-r--r--include/net/wpan-phy.h10
-rw-r--r--include/net/xfrm.h12
17 files changed, 667 insertions, 228 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 27f450ba951..f2b801c4b55 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -131,9 +131,9 @@ extern int ipv6_sock_mc_join(struct sock *sk, int ifindex,
extern int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
const struct in6_addr *addr);
extern void ipv6_sock_mc_close(struct sock *sk);
-extern int inet6_mc_check(struct sock *sk,
- const struct in6_addr *mc_addr,
- const struct in6_addr *src_addr);
+extern bool inet6_mc_check(struct sock *sk,
+ const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr);
extern int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr);
extern int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr);
@@ -146,10 +146,10 @@ extern void ipv6_mc_init_dev(struct inet6_dev *idev);
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
-extern int ipv6_chk_mcast_addr(struct net_device *dev,
- const struct in6_addr *group,
- const struct in6_addr *src_addr);
-extern int ipv6_is_mld(struct sk_buff *skb, int nexthdr);
+extern bool ipv6_chk_mcast_addr(struct net_device *dev,
+ const struct in6_addr *group,
+ const struct in6_addr *src_addr);
+extern bool ipv6_is_mld(struct sk_buff *skb, int nexthdr);
extern void addrconf_prefix_rcv(struct net_device *dev,
u8 *opt, int len, bool sllao);
@@ -163,8 +163,8 @@ extern void ipv6_sock_ac_close(struct sock *sk);
extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
-extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
- const struct in6_addr *addr);
+extern bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
+ const struct in6_addr *addr);
/* Device notifier */
diff --git a/include/net/codel.h b/include/net/codel.h
new file mode 100644
index 00000000000..550debfc240
--- /dev/null
+++ b/include/net/codel.h
@@ -0,0 +1,342 @@
+#ifndef __NET_SCHED_CODEL_H
+#define __NET_SCHED_CODEL_H
+
+/*
+ * Codel - The Controlled-Delay Active Queue Management algorithm
+ *
+ * Copyright (C) 2011-2012 Kathleen Nichols <nichols@pollere.com>
+ * Copyright (C) 2011-2012 Van Jacobson <van@pollere.net>
+ * Copyright (C) 2012 Michael D. Taht <dave.taht@bufferbloat.net>
+ * Copyright (C) 2012 Eric Dumazet <edumazet@google.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The names of the authors may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * Alternatively, provided that this notice is retained in full, this
+ * software may be distributed under the terms of the GNU General
+ * Public License ("GPL") version 2, in which case the provisions of the
+ * GPL apply INSTEAD OF those given above.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/ktime.h>
+#include <linux/skbuff.h>
+#include <net/pkt_sched.h>
+#include <net/inet_ecn.h>
+#include <linux/reciprocal_div.h>
+
+/* Controlling Queue Delay (CoDel) algorithm
+ * =========================================
+ * Source : Kathleen Nichols and Van Jacobson
+ * http://queue.acm.org/detail.cfm?id=2209336
+ *
+ * Implemented on linux by Dave Taht and Eric Dumazet
+ */
+
+
+/* CoDel uses a 1024 nsec clock, encoded in u32
+ * This gives a range of 2199 seconds, because of signed compares
+ */
+typedef u32 codel_time_t;
+typedef s32 codel_tdiff_t;
+#define CODEL_SHIFT 10
+#define MS2TIME(a) ((a * NSEC_PER_MSEC) >> CODEL_SHIFT)
+
+static inline codel_time_t codel_get_time(void)
+{
+ u64 ns = ktime_to_ns(ktime_get());
+
+ return ns >> CODEL_SHIFT;
+}
+
+#define codel_time_after(a, b) ((s32)(a) - (s32)(b) > 0)
+#define codel_time_after_eq(a, b) ((s32)(a) - (s32)(b) >= 0)
+#define codel_time_before(a, b) ((s32)(a) - (s32)(b) < 0)
+#define codel_time_before_eq(a, b) ((s32)(a) - (s32)(b) <= 0)
+
+/* Qdiscs using codel plugin must use codel_skb_cb in their own cb[] */
+struct codel_skb_cb {
+ codel_time_t enqueue_time;
+};
+
+static struct codel_skb_cb *get_codel_cb(const struct sk_buff *skb)
+{
+ qdisc_cb_private_validate(skb, sizeof(struct codel_skb_cb));
+ return (struct codel_skb_cb *)qdisc_skb_cb(skb)->data;
+}
+
+static codel_time_t codel_get_enqueue_time(const struct sk_buff *skb)
+{
+ return get_codel_cb(skb)->enqueue_time;
+}
+
+static void codel_set_enqueue_time(struct sk_buff *skb)
+{
+ get_codel_cb(skb)->enqueue_time = codel_get_time();
+}
+
+static inline u32 codel_time_to_us(codel_time_t val)
+{
+ u64 valns = ((u64)val << CODEL_SHIFT);
+
+ do_div(valns, NSEC_PER_USEC);
+ return (u32)valns;
+}
+
+/**
+ * struct codel_params - contains codel parameters
+ * @target: target queue size (in time units)
+ * @interval: width of moving time window
+ * @ecn: is Explicit Congestion Notification enabled
+ */
+struct codel_params {
+ codel_time_t target;
+ codel_time_t interval;
+ bool ecn;
+};
+
+/**
+ * struct codel_vars - contains codel variables
+ * @count: how many drops we've done since the last time we
+ * entered dropping state
+ * @lastcount: count at entry to dropping state
+ * @dropping: set to true if in dropping state
+ * @rec_inv_sqrt: reciprocal value of sqrt(count) >> 1
+ * @first_above_time: when we went (or will go) continuously above target
+ * for interval
+ * @drop_next: time to drop next packet, or when we dropped last
+ * @ldelay: sojourn time of last dequeued packet
+ */
+struct codel_vars {
+ u32 count;
+ u32 lastcount;
+ bool dropping;
+ u16 rec_inv_sqrt;
+ codel_time_t first_above_time;
+ codel_time_t drop_next;
+ codel_time_t ldelay;
+};
+
+#define REC_INV_SQRT_BITS (8 * sizeof(u16)) /* or sizeof_in_bits(rec_inv_sqrt) */
+/* needed shift to get a Q0.32 number from rec_inv_sqrt */
+#define REC_INV_SQRT_SHIFT (32 - REC_INV_SQRT_BITS)
+
+/**
+ * struct codel_stats - contains codel shared variables and stats
+ * @maxpacket: largest packet we've seen so far
+ * @drop_count: temp count of dropped packets in dequeue()
+ * ecn_mark: number of packets we ECN marked instead of dropping
+ */
+struct codel_stats {
+ u32 maxpacket;
+ u32 drop_count;
+ u32 ecn_mark;
+};
+
+static void codel_params_init(struct codel_params *params)
+{
+ params->interval = MS2TIME(100);
+ params->target = MS2TIME(5);
+ params->ecn = false;
+}
+
+static void codel_vars_init(struct codel_vars *vars)
+{
+ memset(vars, 0, sizeof(*vars));
+}
+
+static void codel_stats_init(struct codel_stats *stats)
+{
+ stats->maxpacket = 256;
+}
+
+/*
+ * http://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Iterative_methods_for_reciprocal_square_roots
+ * new_invsqrt = (invsqrt / 2) * (3 - count * invsqrt^2)
+ *
+ * Here, invsqrt is a fixed point number (< 1.0), 32bit mantissa, aka Q0.32
+ */
+static void codel_Newton_step(struct codel_vars *vars)
+{
+ u32 invsqrt = ((u32)vars->rec_inv_sqrt) << REC_INV_SQRT_SHIFT;
+ u32 invsqrt2 = ((u64)invsqrt * invsqrt) >> 32;
+ u64 val = (3LL << 32) - ((u64)vars->count * invsqrt2);
+
+ val >>= 2; /* avoid overflow in following multiply */
+ val = (val * invsqrt) >> (32 - 2 + 1);
+
+ vars->rec_inv_sqrt = val >> REC_INV_SQRT_SHIFT;
+}
+
+/*
+ * CoDel control_law is t + interval/sqrt(count)
+ * We maintain in rec_inv_sqrt the reciprocal value of sqrt(count) to avoid
+ * both sqrt() and divide operation.
+ */
+static codel_time_t codel_control_law(codel_time_t t,
+ codel_time_t interval,
+ u32 rec_inv_sqrt)
+{
+ return t + reciprocal_divide(interval, rec_inv_sqrt << REC_INV_SQRT_SHIFT);
+}
+
+
+static bool codel_should_drop(const struct sk_buff *skb,
+ struct Qdisc *sch,
+ struct codel_vars *vars,
+ struct codel_params *params,
+ struct codel_stats *stats,
+ codel_time_t now)
+{
+ bool ok_to_drop;
+
+ if (!skb) {
+ vars->first_above_time = 0;
+ return false;
+ }
+
+ vars->ldelay = now - codel_get_enqueue_time(skb);
+ sch->qstats.backlog -= qdisc_pkt_len(skb);
+
+ if (unlikely(qdisc_pkt_len(skb) > stats->maxpacket))
+ stats->maxpacket = qdisc_pkt_len(skb);
+
+ if (codel_time_before(vars->ldelay, params->target) ||
+ sch->qstats.backlog <= stats->maxpacket) {
+ /* went below - stay below for at least interval */
+ vars->first_above_time = 0;
+ return false;
+ }
+ ok_to_drop = false;
+ if (vars->first_above_time == 0) {
+ /* just went above from below. If we stay above
+ * for at least interval we'll say it's ok to drop
+ */
+ vars->first_above_time = now + params->interval;
+ } else if (codel_time_after(now, vars->first_above_time)) {
+ ok_to_drop = true;
+ }
+ return ok_to_drop;
+}
+
+typedef struct sk_buff * (*codel_skb_dequeue_t)(struct codel_vars *vars,
+ struct Qdisc *sch);
+
+static struct sk_buff *codel_dequeue(struct Qdisc *sch,
+ struct codel_params *params,
+ struct codel_vars *vars,
+ struct codel_stats *stats,
+ codel_skb_dequeue_t dequeue_func)
+{
+ struct sk_buff *skb = dequeue_func(vars, sch);
+ codel_time_t now;
+ bool drop;
+
+ if (!skb) {
+ vars->dropping = false;
+ return skb;
+ }
+ now = codel_get_time();
+ drop = codel_should_drop(skb, sch, vars, params, stats, now);
+ if (vars->dropping) {
+ if (!drop) {
+ /* sojourn time below target - leave dropping state */
+ vars->dropping = false;
+ } else if (codel_time_after_eq(now, vars->drop_next)) {
+ /* It's time for the next drop. Drop the current
+ * packet and dequeue the next. The dequeue might
+ * take us out of dropping state.
+ * If not, schedule the next drop.
+ * A large backlog might result in drop rates so high
+ * that the next drop should happen now,
+ * hence the while loop.
+ */
+ while (vars->dropping &&
+ codel_time_after_eq(now, vars->drop_next)) {
+ vars->count++; /* dont care of possible wrap
+ * since there is no more divide
+ */
+ codel_Newton_step(vars);
+ if (params->ecn && INET_ECN_set_ce(skb)) {
+ stats->ecn_mark++;
+ vars->drop_next =
+ codel_control_law(vars->drop_next,
+ params->interval,
+ vars->rec_inv_sqrt);
+ goto end;
+ }
+ qdisc_drop(skb, sch);
+ stats->drop_count++;
+ skb = dequeue_func(vars, sch);
+ if (!codel_should_drop(skb, sch,
+ vars, params, stats, now)) {
+ /* leave dropping state */
+ vars->dropping = false;
+ } else {
+ /* and schedule the next drop */
+ vars->drop_next =
+ codel_control_law(vars->drop_next,
+ params->interval,
+ vars->rec_inv_sqrt);
+ }
+ }
+ }
+ } else if (drop) {
+ if (params->ecn && INET_ECN_set_ce(skb)) {
+ stats->ecn_mark++;
+ } else {
+ qdisc_drop(skb, sch);
+ stats->drop_count++;
+
+ skb = dequeue_func(vars, sch);
+ drop = codel_should_drop(skb, sch, vars, params,
+ stats, now);
+ }
+ vars->dropping = true;
+ /* if min went above target close to when we last went below it
+ * assume that the drop rate that controlled the queue on the
+ * last cycle is a good starting point to control it now.
+ */
+ if (codel_time_before(now - vars->drop_next,
+ 16 * params->interval)) {
+ vars->count = (vars->count - vars->lastcount) | 1;
+ /* we dont care if rec_inv_sqrt approximation
+ * is not very precise :
+ * Next Newton steps will correct it quadratically.
+ */
+ codel_Newton_step(vars);
+ } else {
+ vars->count = 1;
+ vars->rec_inv_sqrt = ~0U >> REC_INV_SQRT_SHIFT;
+ }
+ vars->lastcount = vars->count;
+ vars->drop_next = codel_control_law(now, params->interval,
+ vars->rec_inv_sqrt);
+ }
+end:
+ return skb;
+}
+#endif
diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index 57430555487..d104c882fc2 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -1,7 +1,7 @@
/*
* An interface between IEEE802.15.4 device and rest of the kernel.
*
- * Copyright (C) 2007, 2008, 2009 Siemens AG
+ * Copyright (C) 2007-2012 Siemens AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
@@ -21,11 +21,14 @@
* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
* Maxim Osipov <maxim.osipov@siemens.com>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
*/
#ifndef IEEE802154_NETDEVICE_H
#define IEEE802154_NETDEVICE_H
+#include <net/af_ieee802154.h>
+
/*
* A control block of skb passed between the ARPHRD_IEEE802154 device
* and other stack parts.
@@ -110,12 +113,26 @@ struct ieee802154_mlme_ops {
u8 (*get_bsn)(const struct net_device *dev);
};
-static inline struct ieee802154_mlme_ops *ieee802154_mlme_ops(
- const struct net_device *dev)
+/* The IEEE 802.15.4 standard defines 2 type of the devices:
+ * - FFD - full functionality device
+ * - RFD - reduce functionality device
+ *
+ * So 2 sets of mlme operations are needed
+ */
+struct ieee802154_reduced_mlme_ops {
+ struct wpan_phy *(*get_phy)(const struct net_device *dev);
+};
+
+static inline struct ieee802154_mlme_ops *
+ieee802154_mlme_ops(const struct net_device *dev)
{
return dev->ml_priv;
}
-#endif
-
+static inline struct ieee802154_reduced_mlme_ops *
+ieee802154_reduced_mlme_ops(const struct net_device *dev)
+{
+ return dev->ml_priv;
+}
+#endif
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 50f325fd069..93563221d29 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -209,60 +209,6 @@ static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
}
-static inline void ipv6_tr_mc_map(const struct in6_addr *addr, char *buf)
-{
- /* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
-
- if (((addr->s6_addr[0] == 0xFF) &&
- ((addr->s6_addr[1] == 0x01) || (addr->s6_addr[1] == 0x02)) &&
- (addr->s6_addr16[1] == 0) &&
- (addr->s6_addr32[1] == 0) &&
- (addr->s6_addr32[2] == 0) &&
- (addr->s6_addr16[6] == 0) &&
- (addr->s6_addr[15] == 1)) ||
- ((addr->s6_addr[0] == 0xFF) &&
- (addr->s6_addr[1] == 0x02) &&
- (addr->s6_addr16[1] == 0) &&
- (addr->s6_addr32[1] == 0) &&
- (addr->s6_addr16[4] == 0) &&
- (addr->s6_addr[10] == 0) &&
- (addr->s6_addr[11] == 1) &&
- (addr->s6_addr[12] == 0xff)))
- {
- buf[0]=0xC0;
- buf[1]=0x00;
- buf[2]=0x01;
- buf[3]=0x00;
- buf[4]=0x00;
- buf[5]=0x00;
- /* All routers FF0x::2 */
- } else if ((addr->s6_addr[0] ==0xff) &&
- ((addr->s6_addr[1] & 0xF0) == 0) &&
- (addr->s6_addr16[1] == 0) &&
- (addr->s6_addr32[1] == 0) &&
- (addr->s6_addr32[2] == 0) &&
- (addr->s6_addr16[6] == 0) &&
- (addr->s6_addr[15] == 2))
- {
- buf[0]=0xC0;
- buf[1]=0x00;
- buf[2]=0x02;
- buf[3]=0x00;
- buf[4]=0x00;
- buf[5]=0x00;
- } else {
- unsigned char i ;
-
- i = addr->s6_addr[15] & 7 ;
- buf[0]=0xC0;
- buf[1]=0x00;
- buf[2]=0x00;
- buf[3]=0x01 << i ;
- buf[4]=0x00;
- buf[5]=0x00;
- }
-}
-
static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf)
{
buf[0] = 0x00;
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 16ff29a7bb3..2431cf83aec 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -46,8 +46,7 @@ struct inet_frags {
void *arg);
void (*destructor)(struct inet_frag_queue *);
void (*skb_free)(struct sk_buff *);
- int (*match)(struct inet_frag_queue *q,
- void *arg);
+ bool (*match)(struct inet_frag_queue *q, void *arg);
void (*frag_expire)(unsigned long data);
};
diff --git a/include/net/ip.h b/include/net/ip.h
index 94ddb69cc0f..83e0619f59d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -141,23 +141,6 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
extern int ip4_datagram_connect(struct sock *sk,
struct sockaddr *uaddr, int addr_len);
-/*
- * Map a multicast IP onto multicast MAC for type Token Ring.
- * This conforms to RFC1469 Option 2 Multicasting i.e.
- * using a functional address to transmit / receive
- * multicast packets.
- */
-
-static inline void ip_tr_mc_map(__be32 addr, char *buf)
-{
- buf[0]=0xC0;
- buf[1]=0x00;
- buf[2]=0x00;
- buf[3]=0x04;
- buf[4]=0x00;
- buf[5]=0x00;
-}
-
struct ip_reply_arg {
struct kvec iov[1];
int flags;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index c062b6773cc..37c1a1ed82c 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -175,7 +175,7 @@ static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
spin_unlock(&sk->sk_dst_lock);
}
-static inline int ipv6_unicast_destination(struct sk_buff *skb)
+static inline bool ipv6_unicast_destination(const struct sk_buff *skb)
{
struct rt6_info *rt = (struct rt6_info *) skb_dst(skb);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 4332e9aad85..aecf88436ab 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -263,7 +263,7 @@ extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_t
struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
struct ipv6_txoptions *opt);
-extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
+extern bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb);
int ip6_frag_nqueues(struct net *net);
int ip6_frag_mem(struct net *net);
@@ -332,8 +332,8 @@ static inline void ipv6_addr_set(struct in6_addr *addr,
addr->s6_addr32[3] = w4;
}
-static inline int ipv6_addr_equal(const struct in6_addr *a1,
- const struct in6_addr *a2)
+static inline bool ipv6_addr_equal(const struct in6_addr *a1,
+ const struct in6_addr *a2)
{
return ((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
(a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
@@ -341,27 +341,27 @@ static inline int ipv6_addr_equal(const struct in6_addr *a1,
(a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0;
}
-static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
- unsigned int prefixlen)
+static inline bool __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
+ unsigned int prefixlen)
{
unsigned int pdw, pbi;
/* check complete u32 in prefix */
pdw = prefixlen >> 5;
if (pdw && memcmp(a1, a2, pdw << 2))
- return 0;
+ return false;
/* check incomplete u32 in prefix */
pbi = prefixlen & 0x1f;
if (pbi && ((a1[pdw] ^ a2[pdw]) & htonl((0xffffffff) << (32 - pbi))))
- return 0;
+ return false;
- return 1;
+ return true;
}
-static inline int ipv6_prefix_equal(const struct in6_addr *a1,
- const struct in6_addr *a2,
- unsigned int prefixlen)
+static inline bool ipv6_prefix_equal(const struct in6_addr *a1,
+ const struct in6_addr *a2,
+ unsigned int prefixlen)
{
return __ipv6_prefix_equal(a1->s6_addr32, a2->s6_addr32,
prefixlen);
@@ -387,21 +387,21 @@ struct ip6_create_arg {
};
void ip6_frag_init(struct inet_frag_queue *q, void *a);
-int ip6_frag_match(struct inet_frag_queue *q, void *a);
+bool ip6_frag_match(struct inet_frag_queue *q, void *a);
-static inline int ipv6_addr_any(const struct in6_addr *a)
+static inline bool ipv6_addr_any(const struct in6_addr *a)
{
return (a->s6_addr32[0] | a->s6_addr32[1] |
a->s6_addr32[2] | a->s6_addr32[3]) == 0;
}
-static inline int ipv6_addr_loopback(const struct in6_addr *a)
+static inline bool ipv6_addr_loopback(const struct in6_addr *a)
{
return (a->s6_addr32[0] | a->s6_addr32[1] |
a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0;
}
-static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
+static inline bool ipv6_addr_v4mapped(const struct in6_addr *a)
{
return (a->s6_addr32[0] | a->s6_addr32[1] |
(a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0;
@@ -411,7 +411,7 @@ static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
* Check for a RFC 4843 ORCHID address
* (Overlay Routable Cryptographic Hash Identifiers)
*/
-static inline int ipv6_addr_orchid(const struct in6_addr *a)
+static inline bool ipv6_addr_orchid(const struct in6_addr *a)
{
return (a->s6_addr32[0] & htonl(0xfffffff0)) == htonl(0x20010010);
}
@@ -559,7 +559,7 @@ extern void ipv6_push_frag_opts(struct sk_buff *skb,
extern int ipv6_skip_exthdr(const struct sk_buff *, int start,
u8 *nexthdrp, __be16 *frag_offp);
-extern int ipv6_ext_hdr(u8 nexthdr);
+extern bool ipv6_ext_hdr(u8 nexthdr);
extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
diff --git a/include/net/lapb.h b/include/net/lapb.h
index fd2bf572ee1..df892a94f2c 100644
--- a/include/net/lapb.h
+++ b/include/net/lapb.h
@@ -149,4 +149,10 @@ extern int lapb_t1timer_running(struct lapb_cb *lapb);
*/
#define LAPB_DEBUG 0
+#define lapb_dbg(level, fmt, ...) \
+do { \
+ if (level < LAPB_DEBUG) \
+ pr_debug(fmt, ##__VA_ARGS__); \
+} while (0)
+
#endif
diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h
index f57e7d46a45..5a93d13ac95 100644
--- a/include/net/llc_pdu.h
+++ b/include/net/llc_pdu.h
@@ -13,7 +13,6 @@
*/
#include <linux/if_ether.h>
-#include <linux/if_tr.h>
/* Lengths of frame formats */
#define LLC_PDU_LEN_I 4 /* header and 2 control bytes */
@@ -253,10 +252,6 @@ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *sa)
{
if (skb->protocol == htons(ETH_P_802_2))
memcpy(sa, eth_hdr(skb)->h_source, ETH_ALEN);
- else if (skb->protocol == htons(ETH_P_TR_802_2)) {
- memcpy(sa, tr_hdr(skb)->saddr, ETH_ALEN);
- *sa &= 0x7F;
- }
}
/**
@@ -270,8 +265,6 @@ static inline void llc_pdu_decode_da(struct sk_buff *skb, u8 *da)
{
if (skb->protocol == htons(ETH_P_802_2))
memcpy(da, eth_hdr(skb)->h_dest, ETH_ALEN);
- else if (skb->protocol == htons(ETH_P_TR_802_2))
- memcpy(da, tr_hdr(skb)->daddr, ETH_ALEN);
}
/**
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
new file mode 100644
index 00000000000..c9f8ab5cc68
--- /dev/null
+++ b/include/net/mac802154.h
@@ -0,0 +1,136 @@
+/*
+ * IEEE802.15.4-2003 specification
+ *
+ * Copyright (C) 2007-2012 Siemens AG
+ *
+ * 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.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef NET_MAC802154_H
+#define NET_MAC802154_H
+
+#include <net/af_ieee802154.h>
+
+/* The following flags are used to indicate changed address settings from
+ * the stack to the hardware.
+ */
+
+/* indicates that the Short Address changed */
+#define IEEE802515_AFILT_SADDR_CHANGED 0x00000001
+/* indicates that the IEEE Address changed */
+#define IEEE802515_AFILT_IEEEADDR_CHANGED 0x00000002
+/* indicates that the PAN ID changed */
+#define IEEE802515_AFILT_PANID_CHANGED 0x00000004
+/* indicates that PAN Coordinator status changed */
+#define IEEE802515_AFILT_PANC_CHANGED 0x00000008
+
+struct ieee802154_hw_addr_filt {
+ __le16 pan_id; /* Each independent PAN selects a unique
+ * identifier. This PAN id allows communication
+ * between devices within a network using short
+ * addresses and enables transmissions between
+ * devices across independent networks.
+ */
+ __le16 short_addr;
+ u8 ieee_addr[IEEE802154_ADDR_LEN];
+ u8 pan_coord;
+};
+
+struct ieee802154_dev {
+ /* filled by the driver */
+ int extra_tx_headroom;
+ u32 flags;
+ struct device *parent;
+
+ /* filled by mac802154 core */
+ struct ieee802154_hw_addr_filt hw_filt;
+ void *priv;
+ struct wpan_phy *phy;
+};
+
+/* Checksum is in hardware and is omitted from a packet
+ *
+ * These following flags are used to indicate hardware capabilities to
+ * the stack. Generally, flags here should have their meaning
+ * done in a way that the simplest hardware doesn't need setting
+ * any particular flags. There are some exceptions to this rule,
+ * however, so you are advised to review these flags carefully.
+ */
+
+/* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */
+#define IEEE802154_HW_OMIT_CKSUM 0x00000001
+/* Indicates that receiver will autorespond with ACK frames. */
+#define IEEE802154_HW_AACK 0x00000002
+
+/* struct ieee802154_ops - callbacks from mac802154 to the driver
+ *
+ * This structure contains various callbacks that the driver may
+ * handle or, in some cases, must handle, for example to transmit
+ * a frame.
+ *
+ * start: Handler that 802.15.4 module calls for device initialization.
+ * This function is called before the first interface is attached.
+ *
+ * stop: Handler that 802.15.4 module calls for device cleanup.
+ * This function is called after the last interface is removed.
+ *
+ * xmit: Handler that 802.15.4 module calls for each transmitted frame.
+ * skb cntains the buffer starting from the IEEE 802.15.4 header.
+ * The low-level driver should send the frame based on available
+ * configuration.
+ * This function should return zero or negative errno. Called with
+ * pib_lock held.
+ *
+ * ed: Handler that 802.15.4 module calls for Energy Detection.
+ * This function should place the value for detected energy
+ * (usually device-dependant) in the level pointer and return
+ * either zero or negative errno. Called with pib_lock held.
+ *
+ * set_channel:
+ * Set radio for listening on specific channel.
+ * Set the device for listening on specified channel.
+ * Returns either zero, or negative errno. Called with pib_lock held.
+ *
+ * set_hw_addr_filt:
+ * Set radio for listening on specific address.
+ * Set the device for listening on specified address.
+ * Returns either zero, or negative errno.
+ */
+struct ieee802154_ops {
+ struct module *owner;
+ int (*start)(struct ieee802154_dev *dev);
+ void (*stop)(struct ieee802154_dev *dev);
+ int (*xmit)(struct ieee802154_dev *dev,
+ struct sk_buff *skb);
+ int (*ed)(struct ieee802154_dev *dev, u8 *level);
+ int (*set_channel)(struct ieee802154_dev *dev,
+ int page,
+ int channel);
+ int (*set_hw_addr_filt)(struct ieee802154_dev *dev,
+ struct ieee802154_hw_addr_filt *filt,
+ unsigned long changed);
+ int (*ieee_addr)(struct ieee802154_dev *dev,
+ u8 addr[IEEE802154_ADDR_LEN]);
+};
+
+/* Basic interface to register ieee802154 device */
+struct ieee802154_dev *
+ieee802154_alloc_device(size_t priv_data_lex, struct ieee802154_ops *ops);
+void ieee802154_free_device(struct ieee802154_dev *dev);
+int ieee802154_register_device(struct ieee802154_dev *dev);
+void ieee802154_unregister_device(struct ieee802154_dev *dev);
+
+void ieee802154_rx_irqsafe(struct ieee802154_dev *dev, struct sk_buff *skb,
+ u8 lqi);
+
+#endif /* NET_MAC802154_H */
diff --git a/include/net/rawv6.h b/include/net/rawv6.h
index cf757723445..e7ea660e4db 100644
--- a/include/net/rawv6.h
+++ b/include/net/rawv6.h
@@ -5,7 +5,7 @@
void raw6_icmp_error(struct sk_buff *, int nexthdr,
u8 type, u8 code, int inner_offset, __be32);
-int raw6_local_deliver(struct sk_buff *, int);
+bool raw6_local_deliver(struct sk_buff *, int);
extern int rawv6_rcv(struct sock *sk,
struct sk_buff *skb);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 6ee44b24864..a2ef81466b0 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -704,4 +704,17 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr)
addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
}
+/* The cookie is always 0 since this is how it's used in the
+ * pmtu code.
+ */
+static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
+{
+ if (t->dst && !dst_check(t->dst, 0)) {
+ dst_release(t->dst);
+ t->dst = NULL;
+ }
+
+ return t->dst;
+}
+
#endif /* __net_sctp_h__ */
diff --git a/include/net/sock.h b/include/net/sock.h
index e613704e9d1..da931555e00 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -97,7 +97,7 @@ void mem_cgroup_sockets_destroy(struct cgroup *cgrp)
#else
/* Validate arguments and do nothing */
static inline __printf(2, 3)
-void SOCK_DEBUG(struct sock *sk, const char *msg, ...)
+void SOCK_DEBUG(const struct sock *sk, const char *msg, ...)
{
}
#endif
@@ -372,8 +372,8 @@ struct sock {
void (*sk_data_ready)(struct sock *sk, int bytes);
void (*sk_write_space)(struct sock *sk);
void (*sk_error_report)(struct sock *sk);
- int (*sk_backlog_rcv)(struct sock *sk,
- struct sk_buff *skb);
+ int (*sk_backlog_rcv)(struct sock *sk,
+ struct sk_buff *skb);
void (*sk_destruct)(struct sock *sk);
};
@@ -454,40 +454,40 @@ static inline struct sock *sk_nulls_next(const struct sock *sk)
NULL;
}
-static inline int sk_unhashed(const struct sock *sk)
+static inline bool sk_unhashed(const struct sock *sk)
{
return hlist_unhashed(&sk->sk_node);
}
-static inline int sk_hashed(const struct sock *sk)
+static inline bool sk_hashed(const struct sock *sk)
{
return !sk_unhashed(sk);
}
-static __inline__ void sk_node_init(struct hlist_node *node)
+static inline void sk_node_init(struct hlist_node *node)
{
node->pprev = NULL;
}
-static __inline__ void sk_nulls_node_init(struct hlist_nulls_node *node)
+static inline void sk_nulls_node_init(struct hlist_nulls_node *node)
{
node->pprev = NULL;
}
-static __inline__ void __sk_del_node(struct sock *sk)
+static inline void __sk_del_node(struct sock *sk)
{
__hlist_del(&sk->sk_node);
}
/* NB: equivalent to hlist_del_init_rcu */
-static __inline__ int __sk_del_node_init(struct sock *sk)
+static inline bool __sk_del_node_init(struct sock *sk)
{
if (sk_hashed(sk)) {
__sk_del_node(sk);
sk_node_init(&sk->sk_node);
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/* Grab socket reference count. This operation is valid only
@@ -509,9 +509,9 @@ static inline void __sock_put(struct sock *sk)
atomic_dec(&sk->sk_refcnt);
}
-static __inline__ int sk_del_node_init(struct sock *sk)
+static inline bool sk_del_node_init(struct sock *sk)
{
- int rc = __sk_del_node_init(sk);
+ bool rc = __sk_del_node_init(sk);
if (rc) {
/* paranoid for a while -acme */
@@ -522,18 +522,18 @@ static __inline__ int sk_del_node_init(struct sock *sk)
}
#define sk_del_node_init_rcu(sk) sk_del_node_init(sk)
-static __inline__ int __sk_nulls_del_node_init_rcu(struct sock *sk)
+static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk)
{
if (sk_hashed(sk)) {
hlist_nulls_del_init_rcu(&sk->sk_nulls_node);
- return 1;
+ return true;
}
- return 0;
+ return false;
}
-static __inline__ int sk_nulls_del_node_init_rcu(struct sock *sk)
+static inline bool sk_nulls_del_node_init_rcu(struct sock *sk)
{
- int rc = __sk_nulls_del_node_init_rcu(sk);
+ bool rc = __sk_nulls_del_node_init_rcu(sk);
if (rc) {
/* paranoid for a while -acme */
@@ -543,40 +543,40 @@ static __inline__ int sk_nulls_del_node_init_rcu(struct sock *sk)
return rc;
}
-static __inline__ void __sk_add_node(struct sock *sk, struct hlist_head *list)
+static inline void __sk_add_node(struct sock *sk, struct hlist_head *list)
{
hlist_add_head(&sk->sk_node, list);
}
-static __inline__ void sk_add_node(struct sock *sk, struct hlist_head *list)
+static inline void sk_add_node(struct sock *sk, struct hlist_head *list)
{
sock_hold(sk);
__sk_add_node(sk, list);
}
-static __inline__ void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
+static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
{
sock_hold(sk);
hlist_add_head_rcu(&sk->sk_node, list);
}
-static __inline__ void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
+static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
}
-static __inline__ void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
+static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
sock_hold(sk);
__sk_nulls_add_node_rcu(sk, list);
}
-static __inline__ void __sk_del_bind_node(struct sock *sk)
+static inline void __sk_del_bind_node(struct sock *sk)
{
__hlist_del(&sk->sk_bind_node);
}
-static __inline__ void sk_add_bind_node(struct sock *sk,
+static inline void sk_add_bind_node(struct sock *sk,
struct hlist_head *list)
{
hlist_add_head(&sk->sk_bind_node, list);
@@ -650,7 +650,7 @@ static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag)
__clear_bit(flag, &sk->sk_flags);
}
-static inline int sock_flag(struct sock *sk, enum sock_flags flag)
+static inline bool sock_flag(const struct sock *sk, enum sock_flags flag)
{
return test_bit(flag, &sk->sk_flags);
}
@@ -665,7 +665,7 @@ static inline void sk_acceptq_added(struct sock *sk)
sk->sk_ack_backlog++;
}
-static inline int sk_acceptq_is_full(struct sock *sk)
+static inline bool sk_acceptq_is_full(const struct sock *sk)
{
return sk->sk_ack_backlog > sk->sk_max_ack_backlog;
}
@@ -673,19 +673,19 @@ static inline int sk_acceptq_is_full(struct sock *sk)
/*
* Compute minimal free write space needed to queue new packets.
*/
-static inline int sk_stream_min_wspace(struct sock *sk)
+static inline int sk_stream_min_wspace(const struct sock *sk)
{
return sk->sk_wmem_queued >> 1;
}
-static inline int sk_stream_wspace(struct sock *sk)
+static inline int sk_stream_wspace(const struct sock *sk)
{
return sk->sk_sndbuf - sk->sk_wmem_queued;
}
extern void sk_stream_write_space(struct sock *sk);
-static inline int sk_stream_memory_free(struct sock *sk)
+static inline bool sk_stream_memory_free(const struct sock *sk)
{
return sk->sk_wmem_queued < sk->sk_sndbuf;
}
@@ -809,26 +809,26 @@ struct module;
* transport -> network interface is defined by struct inet_proto
*/
struct proto {
- void (*close)(struct sock *sk,
+ void (*close)(struct sock *sk,
long timeout);
int (*connect)(struct sock *sk,
- struct sockaddr *uaddr,
+ struct sockaddr *uaddr,
int addr_len);
int (*disconnect)(struct sock *sk, int flags);
- struct sock * (*accept) (struct sock *sk, int flags, int *err);
+ struct sock * (*accept)(struct sock *sk, int flags, int *err);
int (*ioctl)(struct sock *sk, int cmd,
unsigned long arg);
int (*init)(struct sock *sk);
void (*destroy)(struct sock *sk);
void (*shutdown)(struct sock *sk, int how);
- int (*setsockopt)(struct sock *sk, int level,
+ int (*setsockopt)(struct sock *sk, int level,
int optname, char __user *optval,
unsigned int optlen);
- int (*getsockopt)(struct sock *sk, int level,
- int optname, char __user *optval,
- int __user *option);
+ int (*getsockopt)(struct sock *sk, int level,
+ int optname, char __user *optval,
+ int __user *option);
#ifdef CONFIG_COMPAT
int (*compat_setsockopt)(struct sock *sk,
int level,
@@ -845,14 +845,14 @@ struct proto {
struct msghdr *msg, size_t len);
int (*recvmsg)(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg,
- size_t len, int noblock, int flags,
- int *addr_len);
+ size_t len, int noblock, int flags,
+ int *addr_len);
int (*sendpage)(struct sock *sk, struct page *page,
int offset, size_t size, int flags);
- int (*bind)(struct sock *sk,
+ int (*bind)(struct sock *sk,
struct sockaddr *uaddr, int addr_len);
- int (*backlog_rcv) (struct sock *sk,
+ int (*backlog_rcv) (struct sock *sk,
struct sk_buff *skb);
/* Keeping track of sk's, looking them up, and port selection methods. */
@@ -1173,7 +1173,7 @@ proto_memory_pressure(struct proto *prot)
extern void sock_prot_inuse_add(struct net *net, struct proto *prot, int inc);
extern int sock_prot_inuse_get(struct net *net, struct proto *proto);
#else
-static void inline sock_prot_inuse_add(struct net *net, struct proto *prot,
+static inline void sock_prot_inuse_add(struct net *net, struct proto *prot,
int inc)
{
}
@@ -1260,24 +1260,24 @@ static inline int sk_mem_pages(int amt)
return (amt + SK_MEM_QUANTUM - 1) >> SK_MEM_QUANTUM_SHIFT;
}
-static inline int sk_has_account(struct sock *sk)
+static inline bool sk_has_account(struct sock *sk)
{
/* return true if protocol supports memory accounting */
return !!sk->sk_prot->memory_allocated;
}
-static inline int sk_wmem_schedule(struct sock *sk, int size)
+static inline bool sk_wmem_schedule(struct sock *sk, int size)
{
if (!sk_has_account(sk))
- return 1;
+ return true;
return size <= sk->sk_forward_alloc ||
__sk_mem_schedule(sk, size, SK_MEM_SEND);
}
-static inline int sk_rmem_schedule(struct sock *sk, int size)
+static inline bool sk_rmem_schedule(struct sock *sk, int size)
{
if (!sk_has_account(sk))
- return 1;
+ return true;
return size <= sk->sk_forward_alloc ||
__sk_mem_schedule(sk, size, SK_MEM_RECV);
}
@@ -1342,7 +1342,7 @@ static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
* Mark both the sk_lock and the sk_lock.slock as a
* per-address-family lock class.
*/
-#define sock_lock_init_class_and_name(sk, sname, skey, name, key) \
+#define sock_lock_init_class_and_name(sk, sname, skey, name, key) \
do { \
sk->sk_lock.owned = 0; \
init_waitqueue_head(&sk->sk_lock.wq); \
@@ -1350,7 +1350,7 @@ do { \
debug_check_no_locks_freed((void *)&(sk)->sk_lock, \
sizeof((sk)->sk_lock)); \
lockdep_set_class_and_name(&(sk)->sk_lock.slock, \
- (skey), (sname)); \
+ (skey), (sname)); \
lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
} while (0)
@@ -1410,13 +1410,13 @@ extern int sock_setsockopt(struct socket *sock, int level,
unsigned int optlen);
extern int sock_getsockopt(struct socket *sock, int level,
- int op, char __user *optval,
+ int op, char __user *optval,
int __user *optlen);
-extern struct sk_buff *sock_alloc_send_skb(struct sock *sk,
+extern struct sk_buff *sock_alloc_send_skb(struct sock *sk,
unsigned long size,
int noblock,
int *errcode);
-extern struct sk_buff *sock_alloc_send_pskb(struct sock *sk,
+extern struct sk_buff *sock_alloc_send_pskb(struct sock *sk,
unsigned long header_len,
unsigned long data_len,
int noblock,
@@ -1438,7 +1438,7 @@ static inline void sock_update_classid(struct sock *sk)
* Functions to fill in entries in struct proto_ops when a protocol
* does not implement a particular function.
*/
-extern int sock_no_bind(struct socket *,
+extern int sock_no_bind(struct socket *,
struct sockaddr *, int);
extern int sock_no_connect(struct socket *,
struct sockaddr *, int, int);
@@ -1467,7 +1467,7 @@ extern int sock_no_mmap(struct file *file,
struct vm_area_struct *vma);
extern ssize_t sock_no_sendpage(struct socket *sock,
struct page *page,
- int offset, size_t size,
+ int offset, size_t size,
int flags);
/*
@@ -1490,7 +1490,7 @@ extern void sk_common_release(struct sock *sk);
/*
* Default socket callbacks and setup code
*/
-
+
/* Initialise core socket variables */
extern void sock_init_data(struct socket *sock, struct sock *sk);
@@ -1690,7 +1690,7 @@ extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
-static inline int sk_can_gso(const struct sock *sk)
+static inline bool sk_can_gso(const struct sock *sk)
{
return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type);
}
@@ -1807,7 +1807,7 @@ static inline int sk_rmem_alloc_get(const struct sock *sk)
*
* Returns true if socket has write or read allocations
*/
-static inline int sk_has_allocations(const struct sock *sk)
+static inline bool sk_has_allocations(const struct sock *sk)
{
return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk);
}
@@ -1846,9 +1846,7 @@ static inline int sk_has_allocations(const struct sock *sk)
*/
static inline bool wq_has_sleeper(struct socket_wq *wq)
{
-
- /*
- * We need to be sure we are in sync with the
+ /* We need to be sure we are in sync with the
* add_wait_queue modifications to the wait queue.
*
* This memory barrier is paired in the sock_poll_wait.
@@ -1870,22 +1868,21 @@ static inline void sock_poll_wait(struct file *filp,
{
if (!poll_does_not_wait(p) && wait_address) {
poll_wait(filp, wait_address, p);
- /*
- * We need to be sure we are in sync with the
+ /* We need to be sure we are in sync with the
* socket flags modification.
*
* This memory barrier is paired in the wq_has_sleeper.
- */
+ */
smp_mb();
}
}
/*
- * Queue a received datagram if it will fit. Stream and sequenced
+ * Queue a received datagram if it will fit. Stream and sequenced
* protocols can't normally use this as they need to fit buffers in
* and play with them.
*
- * Inlined as it's very short and called for pretty much every
+ * Inlined as it's very short and called for pretty much every
* packet ever received.
*/
@@ -1911,10 +1908,10 @@ static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk)
sk_mem_charge(sk, skb->truesize);
}
-extern void sk_reset_timer(struct sock *sk, struct timer_list* timer,
+extern void sk_reset_timer(struct sock *sk, struct timer_list *timer,
unsigned long expires);
-extern void sk_stop_timer(struct sock *sk, struct timer_list* timer);
+extern void sk_stop_timer(struct sock *sk, struct timer_list *timer);
extern int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
@@ -1923,7 +1920,7 @@ extern int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
/*
* Recover an error report and clear atomically
*/
-
+
static inline int sock_error(struct sock *sk)
{
int err;
@@ -1939,7 +1936,7 @@ static inline unsigned long sock_wspace(struct sock *sk)
if (!(sk->sk_shutdown & SEND_SHUTDOWN)) {
amt = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
- if (amt < 0)
+ if (amt < 0)
amt = 0;
}
return amt;
@@ -1983,7 +1980,7 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk)
/*
* Default write policy as shown to user space via poll/select/SIGIO
*/
-static inline int sock_writeable(const struct sock *sk)
+static inline bool sock_writeable(const struct sock *sk)
{
return atomic_read(&sk->sk_wmem_alloc) < (sk->sk_sndbuf >> 1);
}
@@ -1993,12 +1990,12 @@ static inline gfp_t gfp_any(void)
return in_softirq() ? GFP_ATOMIC : GFP_KERNEL;
}
-static inline long sock_rcvtimeo(const struct sock *sk, int noblock)
+static inline long sock_rcvtimeo(const struct sock *sk, bool noblock)
{
return noblock ? 0 : sk->sk_rcvtimeo;
}
-static inline long sock_sndtimeo(const struct sock *sk, int noblock)
+static inline long sock_sndtimeo(const struct sock *sk, bool noblock)
{
return noblock ? 0 : sk->sk_sndtimeo;
}
@@ -2021,7 +2018,7 @@ extern void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
extern void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb);
-static __inline__ void
+static inline void
sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
{
ktime_t kt = skb->tstamp;
@@ -2062,7 +2059,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
(1UL << SOCK_RCVTSTAMP) | \
(1UL << SOCK_TIMESTAMPING_RX_SOFTWARE) | \
(1UL << SOCK_TIMESTAMPING_SOFTWARE) | \
- (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE) | \
+ (1UL << SOCK_TIMESTAMPING_RAW_HARDWARE) | \
(1UL << SOCK_TIMESTAMPING_SYS_HARDWARE))
if (sk->sk_flags & FLAGS_TS_OR_DROPS)
@@ -2091,7 +2088,7 @@ extern int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags);
* locked so that the sk_buff queue operation is ok.
*/
#ifdef CONFIG_NET_DMA
-static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early)
+static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, bool copied_early)
{
__skb_unlink(skb, &sk->sk_receive_queue);
if (!copied_early)
@@ -2100,7 +2097,7 @@ static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_e
__skb_queue_tail(&sk->sk_async_wait_queue, skb);
}
#else
-static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_early)
+static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, bool copied_early)
{
__skb_unlink(skb, &sk->sk_receive_queue);
__kfree_skb(skb);
@@ -2147,8 +2144,8 @@ extern void sock_enable_timestamp(struct sock *sk, int flag);
extern int sock_get_timestamp(struct sock *, struct timeval __user *);
extern int sock_get_timestampns(struct sock *, struct timespec __user *);
-/*
- * Enable debug/info messages
+/*
+ * Enable debug/info messages
*/
extern int net_msg_warn;
#define NETDEBUG(fmt, args...) \
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 92faa6a7ea9..e79aa48d9fc 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -263,14 +263,14 @@ extern int tcp_memory_pressure;
* and worry about wraparound (automatic with unsigned arithmetic).
*/
-static inline int before(__u32 seq1, __u32 seq2)
+static inline bool before(__u32 seq1, __u32 seq2)
{
return (__s32)(seq1-seq2) < 0;
}
#define after(seq2, seq1) before(seq1, seq2)
/* is s2<=s1<=s3 ? */
-static inline int between(__u32 seq1, __u32 seq2, __u32 seq3)
+static inline bool between(__u32 seq1, __u32 seq2, __u32 seq3)
{
return seq3 - seq2 >= seq1 - seq2;
}
@@ -305,7 +305,7 @@ static inline void tcp_synq_overflow(struct sock *sk)
}
/* syncookies: no recent synqueue overflow on this listening socket? */
-static inline int tcp_synq_no_recent_overflow(const struct sock *sk)
+static inline bool tcp_synq_no_recent_overflow(const struct sock *sk)
{
unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
return time_after(jiffies, last_overflow + TCP_TIMEOUT_FALLBACK);
@@ -383,7 +383,7 @@ extern struct sock * tcp_check_req(struct sock *sk,struct sk_buff *skb,
struct request_sock **prev);
extern int tcp_child_process(struct sock *parent, struct sock *child,
struct sk_buff *skb);
-extern int tcp_use_frto(struct sock *sk);
+extern bool tcp_use_frto(struct sock *sk);
extern void tcp_enter_frto(struct sock *sk);
extern void tcp_enter_loss(struct sock *sk, int how);
extern void tcp_clear_retrans(struct tcp_sock *tp);
@@ -432,8 +432,7 @@ extern int tcp_disconnect(struct sock *sk, int flags);
void tcp_connect_init(struct sock *sk);
void tcp_finish_connect(struct sock *sk, struct sk_buff *skb);
-int __must_check tcp_queue_rcv(struct sock *sk, struct sk_buff *skb,
- int hdrlen, bool *fragstolen);
+int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size);
/* From syncookies.c */
extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS];
@@ -471,7 +470,7 @@ static inline __u32 cookie_v6_init_sequence(struct sock *sk,
extern void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
int nonagle);
-extern int tcp_may_send_now(struct sock *sk);
+extern bool tcp_may_send_now(struct sock *sk);
extern int tcp_retransmit_skb(struct sock *, struct sk_buff *);
extern void tcp_retransmit_timer(struct sock *sk);
extern void tcp_xmit_retransmit_queue(struct sock *);
@@ -485,9 +484,9 @@ extern int tcp_write_wakeup(struct sock *);
extern void tcp_send_fin(struct sock *sk);
extern void tcp_send_active_reset(struct sock *sk, gfp_t priority);
extern int tcp_send_synack(struct sock *);
-extern int tcp_syn_flood_action(struct sock *sk,
- const struct sk_buff *skb,
- const char *proto);
+extern bool tcp_syn_flood_action(struct sock *sk,
+ const struct sk_buff *skb,
+ const char *proto);
extern void tcp_push_one(struct sock *, unsigned int mss_now);
extern void tcp_send_ack(struct sock *sk);
extern void tcp_send_delayed_ack(struct sock *sk);
@@ -795,12 +794,12 @@ static inline int tcp_is_sack(const struct tcp_sock *tp)
return tp->rx_opt.sack_ok;
}
-static inline int tcp_is_reno(const struct tcp_sock *tp)
+static inline bool tcp_is_reno(const struct tcp_sock *tp)
{
return !tcp_is_sack(tp);
}
-static inline int tcp_is_fack(const struct tcp_sock *tp)
+static inline bool tcp_is_fack(const struct tcp_sock *tp)
{
return tp->rx_opt.sack_ok & TCP_FACK_ENABLED;
}
@@ -902,7 +901,7 @@ static inline u32 tcp_wnd_end(const struct tcp_sock *tp)
{
return tp->snd_una + tp->snd_wnd;
}
-extern int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight);
+extern bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight);
static inline void tcp_minshall_update(struct tcp_sock *tp, unsigned int mss,
const struct sk_buff *skb)
@@ -945,7 +944,7 @@ static inline __sum16 __tcp_checksum_complete(struct sk_buff *skb)
return __skb_checksum_complete(skb);
}
-static inline int tcp_checksum_complete(struct sk_buff *skb)
+static inline bool tcp_checksum_complete(struct sk_buff *skb)
{
return !skb_csum_unnecessary(skb) &&
__tcp_checksum_complete(skb);
@@ -975,12 +974,12 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp)
*
* NOTE: is this not too big to inline?
*/
-static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
+static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
if (sysctl_tcp_low_latency || !tp->ucopy.task)
- return 0;
+ return false;
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
@@ -1004,7 +1003,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
(3 * tcp_rto_min(sk)) / 4,
TCP_RTO_MAX);
}
- return 1;
+ return true;
}
@@ -1109,28 +1108,28 @@ static inline int tcp_fin_time(const struct sock *sk)
return fin_timeout;
}
-static inline int tcp_paws_check(const struct tcp_options_received *rx_opt,
- int paws_win)
+static inline bool tcp_paws_check(const struct tcp_options_received *rx_opt,
+ int paws_win)
{
if ((s32)(rx_opt->ts_recent - rx_opt->rcv_tsval) <= paws_win)
- return 1;
+ return true;
if (unlikely(get_seconds() >= rx_opt->ts_recent_stamp + TCP_PAWS_24DAYS))
- return 1;
+ return true;
/*
* Some OSes send SYN and SYNACK messages with tsval=0 tsecr=0,
* then following tcp messages have valid values. Ignore 0 value,
* or else 'negative' tsval might forbid us to accept their packets.
*/
if (!rx_opt->ts_recent)
- return 1;
- return 0;
+ return true;
+ return false;
}
-static inline int tcp_paws_reject(const struct tcp_options_received *rx_opt,
- int rst)
+static inline bool tcp_paws_reject(const struct tcp_options_received *rx_opt,
+ int rst)
{
if (tcp_paws_check(rx_opt, 0))
- return 0;
+ return false;
/* RST segments are not recommended to carry timestamp,
and, if they do, it is recommended to ignore PAWS because
@@ -1145,8 +1144,8 @@ static inline int tcp_paws_reject(const struct tcp_options_received *rx_opt,
However, we can relax time bounds for RST segments to MSL.
*/
if (rst && get_seconds() >= rx_opt->ts_recent_stamp + TCP_PAWS_MSL)
- return 0;
- return 1;
+ return false;
+ return true;
}
static inline void tcp_mib_init(struct net *net)
@@ -1384,7 +1383,7 @@ static inline void tcp_unlink_write_queue(struct sk_buff *skb, struct sock *sk)
__skb_unlink(skb, &sk->sk_write_queue);
}
-static inline int tcp_write_queue_empty(struct sock *sk)
+static inline bool tcp_write_queue_empty(struct sock *sk)
{
return skb_queue_empty(&sk->sk_write_queue);
}
@@ -1441,7 +1440,7 @@ static inline void tcp_highest_sack_combine(struct sock *sk,
/* Determines whether this is a thin stream (which may suffer from
* increased latency). Used to trigger latency-reducing mechanisms.
*/
-static inline unsigned int tcp_stream_is_thin(struct tcp_sock *tp)
+static inline bool tcp_stream_is_thin(struct tcp_sock *tp)
{
return tp->packets_out < 4 && !tcp_in_initial_slowstart(tp);
}
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index ff27f1b078d..b52bda8d13b 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -25,6 +25,14 @@
#include <linux/mutex.h>
#include <linux/bug.h>
+/* According to the IEEE 802.15.4 stadard the upper most significant bits of
+ * the 32-bit channel bitmaps shall be used as an integer value to specify 32
+ * possible channel pages. The lower 27 bits of the channel bit map shall be
+ * used as a bit mask to specify channel numbers within a channel page.
+ */
+#define WPAN_NUM_CHANNELS 27
+#define WPAN_NUM_PAGES 32
+
struct wpan_phy {
struct mutex pib_lock;
@@ -43,7 +51,7 @@ struct wpan_phy {
int idx;
struct net_device *(*add_iface)(struct wpan_phy *phy,
- const char *name);
+ const char *name, int type);
void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 1cb32bf107d..e0a55df5bde 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -886,15 +886,15 @@ __be16 xfrm_flowi_dport(const struct flowi *fl, const union flowi_uli *uli)
return port;
}
-extern int xfrm_selector_match(const struct xfrm_selector *sel,
- const struct flowi *fl,
- unsigned short family);
+extern bool xfrm_selector_match(const struct xfrm_selector *sel,
+ const struct flowi *fl,
+ unsigned short family);
#ifdef CONFIG_SECURITY_NETWORK_XFRM
/* If neither has a context --> match
* Otherwise, both must have a context and the sids, doi, alg must match
*/
-static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+static inline bool xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
{
return ((!s1 && !s2) ||
(s1 && s2 &&
@@ -903,9 +903,9 @@ static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ct
(s1->ctx_alg == s2->ctx_alg)));
}
#else
-static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+static inline bool xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
{
- return 1;
+ return true;
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 15:48:07 +0000