Merge tag 'v3.10.58' into update

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 71167069b394e741101d33486cb8bd1e2680c68f..c27303d4482fdc0264accfd622c5a1b62597ee7c 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -252,6 +252,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        fl6.flowi6_mark = sk->sk_mark;
        fl6.fl6_dport = usin->sin6_port;
        fl6.fl6_sport = inet->inet_sport;
+       fl6.flowi6_uid = sock_i_uid(sk);
 
        final_p = fl6_update_dst(&fl6, np->opt, &final);
 
@@ -295,6 +296,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        if (err)
                goto late_failure;
 
+        printk(KERN_INFO  "net_sock, IPV6 socket[%lu] sport:%u \n", SOCK_INODE(sk->sk_socket)->i_ino, ntohs(inet->inet_sport));
        if (!tp->write_seq && likely(!tp->repair))
                tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32,
                                                             np->daddr.s6_addr32,
@@ -791,6 +793,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
        fl6.flowi6_proto = IPPROTO_TCP;
        if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
                fl6.flowi6_oif = inet6_iif(skb);
+       fl6.flowi6_mark = IP6_REPLY_MARK(net, skb->mark);
        fl6.fl6_dport = t1->dest;
        fl6.fl6_sport = t1->source;
        security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
@@ -999,6 +1002,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
                TCP_ECN_create_request(req, skb, sock_net(sk));
 
        treq->iif = sk->sk_bound_dev_if;
+       inet_rsk(req)->ir_mark = inet_request_mark(sk, skb);
 
        /* So that link locals have meaning */
        if (!sk->sk_bound_dev_if &&
@@ -1426,7 +1430,7 @@ ipv6_pktoptions:
                if (np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim)
                        np->mcast_hops = ipv6_hdr(opt_skb)->hop_limit;
                if (np->rxopt.bits.rxtclass)
-                       np->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(skb));
+                       np->rcv_tclass = ipv6_get_dsfield(ipv6_hdr(opt_skb));
                if (ipv6_opt_accepted(sk, opt_skb)) {
                        skb_set_owner_r(opt_skb, sk);
                        opt_skb = xchg(&np->pktoptions, opt_skb);
@@ -1651,6 +1655,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = {
        .compat_setsockopt = compat_ipv6_setsockopt,
        .compat_getsockopt = compat_ipv6_getsockopt,
 #endif
+       .mtu_reduced       = tcp_v6_mtu_reduced,
 };
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -1682,6 +1687,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = {
        .compat_setsockopt = compat_ipv6_setsockopt,
        .compat_getsockopt = compat_ipv6_getsockopt,
 #endif
+       .mtu_reduced       = tcp_v4_mtu_reduced,
 };
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -1890,6 +1896,17 @@ void tcp6_proc_exit(struct net *net)
 }
 #endif
 
+static void tcp_v6_clear_sk(struct sock *sk, int size)
+{
+       struct inet_sock *inet = inet_sk(sk);
+
+       /* we do not want to clear pinet6 field, because of RCU lookups */
+       sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+       size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+       memset(&inet->pinet6 + 1, 0, size);
+}
+
 struct proto tcpv6_prot = {
        .name                   = "TCPv6",
        .owner                  = THIS_MODULE,
@@ -1908,7 +1925,6 @@ struct proto tcpv6_prot = {
        .sendpage               = tcp_sendpage,
        .backlog_rcv            = tcp_v6_do_rcv,
        .release_cb             = tcp_release_cb,
-       .mtu_reduced            = tcp_v6_mtu_reduced,
        .hash                   = tcp_v6_hash,
        .unhash                 = inet_unhash,
        .get_port               = inet_csk_get_port,
@@ -1933,6 +1949,7 @@ struct proto tcpv6_prot = {
 #ifdef CONFIG_MEMCG_KMEM
        .proto_cgroup           = tcp_proto_cgroup,
 #endif
+       .clear_sk               = tcp_v6_clear_sk,
 };
 
 static const struct inet6_protocol tcpv6_protocol = {