diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-02-28 10:26:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-02-28 10:27:36 +0100 |
| commit | 458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch) | |
| tree | 28e088137eb068e5620f17eaf0ca19d1562006ed /net/ipv4/tcp_ipv4.c | |
| parent | 69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff) | |
| parent | 586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff) | |
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index a9db4b1a221..94d683a61cb 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -73,6 +73,7 @@ #include <net/xfrm.h> #include <net/netdma.h> #include <net/secure_seq.h> +#include <net/tcp_memcontrol.h> #include <linux/inet.h> #include <linux/ipv6.h> @@ -630,7 +631,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len = sizeof(rep.th); #ifdef CONFIG_TCP_MD5SIG - key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->daddr) : NULL; + key = sk ? tcp_v4_md5_do_lookup(sk, ip_hdr(skb)->saddr) : NULL; if (key) { rep.opt[0] = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | @@ -650,6 +651,11 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len, IPPROTO_TCP, 0); arg.csumoffset = offsetof(struct tcphdr, check) / 2; arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0; + /* When socket is gone, all binding information is lost. + * routing might fail in this case. using iif for oif to + * make sure we can deliver it + */ + arg.bound_dev_if = sk ? sk->sk_bound_dev_if : inet_iif(skb); net = dev_net(skb_dst(skb)->dev); arg.tos = ip_hdr(skb)->tos; @@ -1511,6 +1517,7 @@ exit: return NULL; put_and_exit: tcp_clear_xmit_timers(newsk); + tcp_cleanup_congestion_control(newsk); bh_unlock_sock(newsk); sock_put(newsk); goto exit; @@ -1916,7 +1923,8 @@ static int tcp_v4_init_sock(struct sock *sk) sk->sk_rcvbuf = sysctl_tcp_rmem[1]; local_bh_disable(); - percpu_counter_inc(&tcp_sockets_allocated); + sock_update_memcg(sk); + sk_sockets_allocated_inc(sk); local_bh_enable(); return 0; @@ -1972,7 +1980,8 @@ void tcp_v4_destroy_sock(struct sock *sk) tp->cookie_values = NULL; } - percpu_counter_dec(&tcp_sockets_allocated); + sk_sockets_allocated_dec(sk); + sock_release_memcg(sk); } EXPORT_SYMBOL(tcp_v4_destroy_sock); @@ -2619,7 +2628,6 @@ struct proto tcp_prot = { .orphan_count = &tcp_orphan_count, .memory_allocated = &tcp_memory_allocated, .memory_pressure = &tcp_memory_pressure, - .sysctl_mem = sysctl_tcp_mem, .sysctl_wmem = sysctl_tcp_wmem, .sysctl_rmem = sysctl_tcp_rmem, .max_header = MAX_TCP_HEADER, @@ -2633,10 +2641,14 @@ struct proto tcp_prot = { .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, #endif +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM + .init_cgroup = tcp_init_cgroup, + .destroy_cgroup = tcp_destroy_cgroup, + .proto_cgroup = tcp_proto_cgroup, +#endif }; EXPORT_SYMBOL(tcp_prot); - static int __net_init tcp_sk_init(struct net *net) { return inet_ctl_sock_create(&net->ipv4.tcp_sock, |