diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/ah4.c | 8 | ||||
-rw-r--r-- | net/ipv4/fib_rules.c | 1 | ||||
-rw-r--r-- | net/ipv4/fib_trie.c | 1 | ||||
-rw-r--r-- | net/ipv4/inet_diag.c | 4 | ||||
-rw-r--r-- | net/ipv4/inet_timewait_sock.c | 1 | ||||
-rw-r--r-- | net/ipv4/ip_options.c | 1 | ||||
-rw-r--r-- | net/ipv4/ipconfig.c | 1 | ||||
-rw-r--r-- | net/ipv4/ipmr.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_common.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_icmp.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_sctp.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_tcp.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_udp.c | 1 | ||||
-rw-r--r-- | net/ipv4/netfilter/nf_nat_proto_udplite.c | 1 | ||||
-rw-r--r-- | net/ipv4/ping.c | 3 | ||||
-rw-r--r-- | net/ipv4/proc.c | 1 | ||||
-rw-r--r-- | net/ipv4/raw.c | 1 | ||||
-rw-r--r-- | net/ipv4/route.c | 120 | ||||
-rw-r--r-- | net/ipv4/syncookies.c | 1 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 1 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 2 | ||||
-rw-r--r-- | net/ipv4/udplite.c | 1 | ||||
-rw-r--r-- | net/ipv4/xfrm4_state.c | 1 |
25 files changed, 92 insertions, 65 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index c1f4154552fc..36d14406261e 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -136,8 +136,6 @@ static void ah_output_done(struct crypto_async_request *base, int err) memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); } - err = ah->nexthdr; - kfree(AH_SKB_CB(skb)->tmp); xfrm_output_resume(skb, err); } @@ -264,12 +262,12 @@ static void ah_input_done(struct crypto_async_request *base, int err) if (err) goto out; + err = ah->nexthdr; + skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, ihl); __skb_pull(skb, ah_hlen + ihl); skb_set_transport_header(skb, -ihl); - - err = ah->nexthdr; out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -371,8 +369,6 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) if (err == -EINPROGRESS) goto out; - if (err == -EBUSY) - err = NET_XMIT_DROP; goto out_free; } diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c index a53bb1b5b118..46339ba7a2d3 100644 --- a/net/ipv4/fib_rules.c +++ b/net/ipv4/fib_rules.c @@ -26,6 +26,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/rcupdate.h> +#include <linux/export.h> #include <net/ip.h> #include <net/route.h> #include <net/tcp.h> diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 89d6f71a6a99..37b671185c81 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -73,6 +73,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/prefetch.h> +#include <linux/export.h> #include <net/net_namespace.h> #include <net/ip.h> #include <net/protocol.h> diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index f5e2bdaef949..68e8ac514383 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -133,8 +133,8 @@ static int inet_csk_diag_fill(struct sock *sk, &np->rcv_saddr); ipv6_addr_copy((struct in6_addr *)r->id.idiag_dst, &np->daddr); - if (ext & (1 << (INET_DIAG_TOS - 1))) - RTA_PUT_U8(skb, INET_DIAG_TOS, np->tclass); + if (ext & (1 << (INET_DIAG_TCLASS - 1))) + RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass); } #endif diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 44d65d546e30..89168c6351ff 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/kmemcheck.h> #include <linux/slab.h> +#include <linux/module.h> #include <net/inet_hashtables.h> #include <net/inet_timewait_sock.h> #include <net/ip.h> diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index ec93335901dd..05d20cca9d66 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -640,6 +640,7 @@ int ip_options_rcv_srr(struct sk_buff *skb) } if (srrptr <= srrspace) { opt->srr_is_hit = 1; + iph->daddr = nexthop; opt->is_changed = 1; } return 0; diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 472a8c4f1dc0..0da2afc97f32 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -54,6 +54,7 @@ #include <linux/delay.h> #include <linux/nfs_fs.h> #include <linux/slab.h> +#include <linux/export.h> #include <net/net_namespace.h> #include <net/arp.h> #include <net/ip.h> diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 6164e982e0ef..76a7f07b38b6 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -61,6 +61,7 @@ #include <linux/if_arp.h> #include <linux/netfilter_ipv4.h> #include <linux/compat.h> +#include <linux/export.h> #include <net/ipip.h> #include <net/checksum.h> #include <net/netlink.h> diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index 929b27bdeb79..9899619ab9b8 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -5,6 +5,7 @@ #include <linux/ip.h> #include <linux/skbuff.h> #include <linux/gfp.h> +#include <linux/export.h> #include <net/route.h> #include <net/xfrm.h> #include <net/ip.h> diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c index 5585980fce2e..9682b36df38c 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c @@ -21,6 +21,7 @@ #include <net/netfilter/nf_conntrack_expect.h> #include <net/netfilter/nf_conntrack_acct.h> #include <linux/rculist_nulls.h> +#include <linux/export.h> struct ct_iter_state { struct seq_net_private p; diff --git a/net/ipv4/netfilter/nf_nat_proto_common.c b/net/ipv4/netfilter/nf_nat_proto_common.c index f52d41ea0690..a3d997618602 100644 --- a/net/ipv4/netfilter/nf_nat_proto_common.c +++ b/net/ipv4/netfilter/nf_nat_proto_common.c @@ -12,6 +12,7 @@ #include <linux/ip.h> #include <linux/netfilter.h> +#include <linux/export.h> #include <net/secure_seq.h> #include <net/netfilter/nf_nat.h> #include <net/netfilter/nf_nat_core.h> diff --git a/net/ipv4/netfilter/nf_nat_proto_icmp.c b/net/ipv4/netfilter/nf_nat_proto_icmp.c index 5744c3ec847c..9f4dc1235dc7 100644 --- a/net/ipv4/netfilter/nf_nat_proto_icmp.c +++ b/net/ipv4/netfilter/nf_nat_proto_icmp.c @@ -8,6 +8,7 @@ #include <linux/types.h> #include <linux/init.h> +#include <linux/export.h> #include <linux/ip.h> #include <linux/icmp.h> diff --git a/net/ipv4/netfilter/nf_nat_proto_sctp.c b/net/ipv4/netfilter/nf_nat_proto_sctp.c index 756331d42661..bd5a80a62a5b 100644 --- a/net/ipv4/netfilter/nf_nat_proto_sctp.c +++ b/net/ipv4/netfilter/nf_nat_proto_sctp.c @@ -10,6 +10,7 @@ #include <linux/init.h> #include <linux/ip.h> #include <linux/sctp.h> +#include <linux/module.h> #include <net/sctp/checksum.h> #include <net/netfilter/nf_nat_protocol.h> diff --git a/net/ipv4/netfilter/nf_nat_proto_tcp.c b/net/ipv4/netfilter/nf_nat_proto_tcp.c index aa460a595d5d..0d67bb80130f 100644 --- a/net/ipv4/netfilter/nf_nat_proto_tcp.c +++ b/net/ipv4/netfilter/nf_nat_proto_tcp.c @@ -8,6 +8,7 @@ #include <linux/types.h> #include <linux/init.h> +#include <linux/export.h> #include <linux/ip.h> #include <linux/tcp.h> diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c index dfe65c7e2925..0b1b8601cba7 100644 --- a/net/ipv4/netfilter/nf_nat_proto_udp.c +++ b/net/ipv4/netfilter/nf_nat_proto_udp.c @@ -7,6 +7,7 @@ */ #include <linux/types.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/ip.h> #include <linux/udp.h> diff --git a/net/ipv4/netfilter/nf_nat_proto_udplite.c b/net/ipv4/netfilter/nf_nat_proto_udplite.c index 3cc8c8af39ef..f83ef23e2ab7 100644 --- a/net/ipv4/netfilter/nf_nat_proto_udplite.c +++ b/net/ipv4/netfilter/nf_nat_proto_udplite.c @@ -13,6 +13,7 @@ #include <linux/udp.h> #include <linux/netfilter.h> +#include <linux/module.h> #include <net/netfilter/nf_nat.h> #include <net/netfilter/nf_nat_protocol.h> diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 39b403f854c6..43d4c3b22369 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -39,6 +39,7 @@ #include <net/protocol.h> #include <linux/skbuff.h> #include <linux/proc_fs.h> +#include <linux/export.h> #include <net/sock.h> #include <net/ping.h> #include <net/udp.h> @@ -338,7 +339,6 @@ void ping_err(struct sk_buff *skb, u32 info) sk = ping_v4_lookup(net, iph->daddr, iph->saddr, ntohs(icmph->un.echo.id), skb->dev->ifindex); if (sk == NULL) { - ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS); pr_debug("no socket, dropping\n"); return; /* No socket for error */ } @@ -678,7 +678,6 @@ static int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) pr_debug("ping_queue_rcv_skb(sk=%p,sk->num=%d,skb=%p)\n", inet_sk(sk), inet_sk(sk)->inet_num, skb); if (sock_queue_rcv_skb(sk, skb) < 0) { - ICMP_INC_STATS_BH(sock_net(sk), ICMP_MIB_INERRORS); kfree_skb(skb); pr_debug("ping_queue_rcv_skb -> failed\n"); return -1; diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 4bfad5da94f4..466ea8bb7a4d 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -42,6 +42,7 @@ #include <linux/inetdevice.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <linux/export.h> #include <net/sock.h> #include <net/raw.h> diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 61714bd52925..007e2eb769d3 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -48,6 +48,7 @@ #include <linux/errno.h> #include <linux/aio.h> #include <linux/kernel.h> +#include <linux/export.h> #include <linux/spinlock.h> #include <linux/sockios.h> #include <linux/socket.h> diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 155138d8ec8b..0c74da8a0473 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1304,16 +1304,42 @@ static void rt_del(unsigned hash, struct rtable *rt) spin_unlock_bh(rt_hash_lock_addr(hash)); } +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, *old_n; + + dst_confirm(&rt->dst); + + rt->rt_gateway = peer->redirect_learned.a4; + + n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); + if (IS_ERR(n)) + return PTR_ERR(n); + old_n = xchg(&rt->dst._neighbour, n); + if (old_n) + neigh_release(old_n); + 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, n); + } + return 0; +} + /* called in rcu_read_lock() section */ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, __be32 saddr, struct net_device *dev) { int s, i; struct in_device *in_dev = __in_dev_get_rcu(dev); - struct rtable *rt; __be32 skeys[2] = { saddr, 0 }; int ikeys[2] = { dev->ifindex, 0 }; - struct flowi4 fl4; struct inet_peer *peer; struct net *net; @@ -1336,33 +1362,42 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, goto reject_redirect; } - memset(&fl4, 0, sizeof(fl4)); - fl4.daddr = daddr; for (s = 0; s < 2; s++) { for (i = 0; i < 2; i++) { - fl4.flowi4_oif = ikeys[i]; - fl4.saddr = skeys[s]; - rt = __ip_route_output_key(net, &fl4); - if (IS_ERR(rt)) - continue; - - if (rt->dst.error || rt->dst.dev != dev || - rt->rt_gateway != old_gw) { - ip_rt_put(rt); - continue; - } + unsigned int hash; + struct rtable __rcu **rthp; + struct rtable *rt; + + hash = rt_hash(daddr, skeys[s], ikeys[i], rt_genid(net)); + + rthp = &rt_hash_table[hash].chain; + + while ((rt = rcu_dereference(*rthp)) != NULL) { + rthp = &rt->dst.rt_next; + + if (rt->rt_key_dst != daddr || + rt->rt_key_src != skeys[s] || + rt->rt_oif != ikeys[i] || + rt_is_input_route(rt) || + rt_is_expired(rt) || + !net_eq(dev_net(rt->dst.dev), net) || + rt->dst.error || + rt->dst.dev != dev || + rt->rt_gateway != old_gw) + continue; - if (!rt->peer) - rt_bind_peer(rt, rt->rt_dst, 1); + if (!rt->peer) + rt_bind_peer(rt, rt->rt_dst, 1); - peer = rt->peer; - if (peer) { - peer->redirect_learned.a4 = new_gw; - atomic_inc(&__rt_peer_genid); + peer = rt->peer; + if (peer) { + if (peer->redirect_learned.a4 != new_gw) { + peer->redirect_learned.a4 = new_gw; + atomic_inc(&__rt_peer_genid); + } + check_peer_redir(&rt->dst, peer); + } } - - ip_rt_put(rt); - return; } } return; @@ -1649,33 +1684,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) } } -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, *old_n; - - dst_confirm(&rt->dst); - - rt->rt_gateway = peer->redirect_learned.a4; - - n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); - if (IS_ERR(n)) - return PTR_ERR(n); - old_n = xchg(&rt->dst._neighbour, n); - if (old_n) - neigh_release(old_n); - 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, n); - } - return 0; -} static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) { @@ -2845,7 +2853,7 @@ static int rt_fill_info(struct net *net, struct rtable *rt = skb_rtable(skb); struct rtmsg *r; struct nlmsghdr *nlh; - long expires = 0; + unsigned long expires = 0; const struct inet_peer *peer = rt->peer; u32 id = 0, ts = 0, tsage = 0, error; @@ -2902,8 +2910,12 @@ static int rt_fill_info(struct net *net, tsage = get_seconds() - peer->tcp_ts_stamp; } expires = ACCESS_ONCE(peer->pmtu_expires); - if (expires) - expires -= jiffies; + if (expires) { + if (time_before(jiffies, expires)) + expires -= jiffies; + else + expires = 0; + } } if (rt_is_input_route(rt)) { diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index d7b89b12f6d8..90f6544c13e2 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -15,6 +15,7 @@ #include <linux/random.h> #include <linux/cryptohash.h> #include <linux/kernel.h> +#include <linux/export.h> #include <net/tcp.h> #include <net/route.h> diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a7443159c400..a9db4b1a2215 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1510,6 +1510,7 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: + tcp_clear_xmit_timers(newsk); bh_unlock_sock(newsk); sock_put(newsk); goto exit; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 980b98f6288c..63170e297540 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1382,7 +1382,7 @@ static inline int tcp_minshall_check(const struct tcp_sock *tp) /* Return 0, if packet can be sent now without violation Nagle's rules: * 1. It is full sized. * 2. Or it contains FIN. (already checked by caller) - * 3. Or TCP_NODELAY was set. + * 3. Or TCP_CORK is not set, and TCP_NODELAY is set. * 4. Or TCP_CORK is not set, and all sent packets are ACKed. * With Minshall's modification: all sent small packets are ACKed. */ diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c index 08383eb54208..12e9499a1a6c 100644 --- a/net/ipv4/udplite.c +++ b/net/ipv4/udplite.c @@ -10,6 +10,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#include <linux/export.h> #include "udp_impl.h" struct udp_table udplite_table __read_mostly; diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c index d9ac0a0058b5..9258e751baba 100644 --- a/net/ipv4/xfrm4_state.c +++ b/net/ipv4/xfrm4_state.c @@ -12,6 +12,7 @@ #include <linux/pfkeyv2.h> #include <linux/ipsec.h> #include <linux/netfilter_ipv4.h> +#include <linux/export.h> static int xfrm4_init_flags(struct xfrm_state *x) { |