- Update to 2.6.25-rc3.

[linux-flexiantxendom0-3.2.10.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 93980c3..12750f2 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -86,12 +86,6 @@ static struct tcp_sock_af_ops tcp_sock_ipv6_specific;
 static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
 #endif
 
-static int tcp_v6_get_port(struct sock *sk, unsigned short snum)
-{
-       return inet_csk_get_port(&tcp_hashinfo, sk, snum,
-                                inet6_csk_bind_conflict);
-}
-
 static void tcp_v6_hash(struct sock *sk)
 {
        if (sk->sk_state != TCP_CLOSE) {
@@ -100,7 +94,7 @@ static void tcp_v6_hash(struct sock *sk)
                        return;
                }
                local_bh_disable();
-               __inet6_hash(&tcp_hashinfo, sk);
+               __inet6_hash(sk);
                local_bh_enable();
        }
 }
@@ -265,7 +259,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        if (final_p)
                ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-       if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) {
+       if ((err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT)) < 0) {
                if (err == -EREMOTE)
                        err = ip6_dst_blackhole(sk, &dst, &fl);
                if (err < 0)
@@ -330,8 +324,8 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
        struct tcp_sock *tp;
        __u32 seq;
 
-       sk = inet6_lookup(&tcp_hashinfo, &hdr->daddr, th->dest, &hdr->saddr,
-                         th->source, skb->dev->ifindex);
+       sk = inet6_lookup(skb->dev->nd_net, &tcp_hashinfo, &hdr->daddr,
+                       th->dest, &hdr->saddr, th->source, skb->dev->ifindex);
 
        if (sk == NULL) {
                ICMP6_INC_STATS_BH(__in6_dev_get(skb->dev), ICMP6_MIB_INERRORS);
@@ -733,7 +727,7 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
                                   struct in6_addr *saddr,
                                   struct in6_addr *daddr,
                                   struct tcphdr *th, int protocol,
-                                  int tcplen)
+                                  unsigned int tcplen)
 {
        struct scatterlist sg[4];
        __u16 data_len;
@@ -818,7 +812,7 @@ static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
                                struct dst_entry *dst,
                                struct request_sock *req,
                                struct tcphdr *th, int protocol,
-                               int tcplen)
+                               unsigned int tcplen)
 {
        struct in6_addr *saddr, *daddr;
 
@@ -985,7 +979,7 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
        struct tcphdr *th = tcp_hdr(skb), *t1;
        struct sk_buff *buff;
        struct flowi fl;
-       int tot_len = sizeof(*th);
+       unsigned int tot_len = sizeof(*th);
 #ifdef CONFIG_TCP_MD5SIG
        struct tcp_md5sig_key *key;
 #endif
@@ -1085,7 +1079,7 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
        struct tcphdr *th = tcp_hdr(skb), *t1;
        struct sk_buff *buff;
        struct flowi fl;
-       int tot_len = sizeof(struct tcphdr);
+       unsigned int tot_len = sizeof(struct tcphdr);
        __be32 *topt;
 #ifdef CONFIG_TCP_MD5SIG
        struct tcp_md5sig_key *key;
@@ -1208,9 +1202,9 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk,struct sk_buff *skb)
        if (req)
                return tcp_check_req(sk, skb, req, prev);
 
-       nsk = __inet6_lookup_established(&tcp_hashinfo, &ipv6_hdr(skb)->saddr,
-                                        th->source, &ipv6_hdr(skb)->daddr,
-                                        ntohs(th->dest), inet6_iif(skb));
+       nsk = __inet6_lookup_established(sk->sk_net, &tcp_hashinfo,
+                       &ipv6_hdr(skb)->saddr, th->source,
+                       &ipv6_hdr(skb)->daddr, ntohs(th->dest), inet6_iif(skb));
 
        if (nsk) {
                if (nsk->sk_state != TCP_TIME_WAIT) {
@@ -1504,8 +1498,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
        }
 #endif
 
-       __inet6_hash(&tcp_hashinfo, newsk);
-       inet_inherit_port(&tcp_hashinfo, sk, newsk);
+       __inet6_hash(newsk);
+       inet_inherit_port(sk, newsk);
 
        return newsk;
 
@@ -1710,9 +1704,10 @@ static int tcp_v6_rcv(struct sk_buff *skb)
        TCP_SKB_CB(skb)->flags = ipv6_get_dsfield(ipv6_hdr(skb));
        TCP_SKB_CB(skb)->sacked = 0;
 
-       sk = __inet6_lookup(&tcp_hashinfo, &ipv6_hdr(skb)->saddr, th->source,
-                           &ipv6_hdr(skb)->daddr, ntohs(th->dest),
-                           inet6_iif(skb));
+       sk = __inet6_lookup(skb->dev->nd_net, &tcp_hashinfo,
+                       &ipv6_hdr(skb)->saddr, th->source,
+                       &ipv6_hdr(skb)->daddr, ntohs(th->dest),
+                       inet6_iif(skb));
 
        if (!sk)
                goto no_tcp_socket;
@@ -1792,7 +1787,7 @@ do_time_wait:
        {
                struct sock *sk2;
 
-               sk2 = inet6_lookup_listener(&tcp_hashinfo,
+               sk2 = inet6_lookup_listener(skb->dev->nd_net, &tcp_hashinfo,
                                            &ipv6_hdr(skb)->daddr,
                                            ntohs(th->dest), inet6_iif(skb));
                if (sk2 != NULL) {
@@ -1832,6 +1827,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = {
        .getsockopt        = ipv6_getsockopt,
        .addr2sockaddr     = inet6_csk_addr2sockaddr,
        .sockaddr_len      = sizeof(struct sockaddr_in6),
+       .bind_conflict     = inet6_csk_bind_conflict,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_ipv6_setsockopt,
        .compat_getsockopt = compat_ipv6_getsockopt,
@@ -1863,6 +1859,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = {
        .getsockopt        = ipv6_getsockopt,
        .addr2sockaddr     = inet6_csk_addr2sockaddr,
        .sockaddr_len      = sizeof(struct sockaddr_in6),
+       .bind_conflict     = inet6_csk_bind_conflict,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_ipv6_setsockopt,
        .compat_getsockopt = compat_ipv6_getsockopt,
@@ -2126,8 +2123,8 @@ struct proto tcpv6_prot = {
        .recvmsg                = tcp_recvmsg,
        .backlog_rcv            = tcp_v6_do_rcv,
        .hash                   = tcp_v6_hash,
-       .unhash                 = tcp_unhash,
-       .get_port               = tcp_v6_get_port,
+       .unhash                 = inet_unhash,
+       .get_port               = inet_csk_get_port,
        .enter_memory_pressure  = tcp_enter_memory_pressure,
        .sockets_allocated      = &tcp_sockets_allocated,
        .memory_allocated       = &tcp_memory_allocated,
@@ -2140,6 +2137,7 @@ struct proto tcpv6_prot = {
        .obj_size               = sizeof(struct tcp6_sock),
        .twsk_prot              = &tcp6_timewait_sock_ops,
        .rsk_prot               = &tcp6_request_sock_ops,
+       .hashinfo               = &tcp_hashinfo,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt      = compat_tcp_setsockopt,
        .compat_getsockopt      = compat_tcp_getsockopt,
@@ -2166,14 +2164,36 @@ static struct inet_protosw tcpv6_protosw = {
                                INET_PROTOSW_ICSK,
 };
 
-void __init tcpv6_init(void)
+int __init tcpv6_init(void)
 {
+       int ret;
+
+       ret = inet6_add_protocol(&tcpv6_protocol, IPPROTO_TCP);
+       if (ret)
+               goto out;
+
        /* register inet6 protocol */
-       if (inet6_add_protocol(&tcpv6_protocol, IPPROTO_TCP) < 0)
-               printk(KERN_ERR "tcpv6_init: Could not register protocol\n");
-       inet6_register_protosw(&tcpv6_protosw);
+       ret = inet6_register_protosw(&tcpv6_protosw);
+       if (ret)
+               goto out_tcpv6_protocol;
+
+       ret = inet_csk_ctl_sock_create(&tcp6_socket, PF_INET6,
+                                      SOCK_RAW, IPPROTO_TCP);
+       if (ret)
+               goto out_tcpv6_protosw;
+out:
+       return ret;
+
+out_tcpv6_protocol:
+       inet6_del_protocol(&tcpv6_protocol, IPPROTO_TCP);
+out_tcpv6_protosw:
+       inet6_unregister_protosw(&tcpv6_protosw);
+       goto out;
+}
 
-       if (inet_csk_ctl_sock_create(&tcp6_socket, PF_INET6, SOCK_RAW,
-                                    IPPROTO_TCP) < 0)
-               panic("Failed to create the TCPv6 control socket.\n");
+void tcpv6_exit(void)
+{
+       sock_release(tcp6_socket);
+       inet6_unregister_protosw(&tcpv6_protosw);
+       inet6_del_protocol(&tcpv6_protocol, IPPROTO_TCP);
 }