linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / net / ipv4 / tcp_ipv4.c

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 17f5857..d31d6cb 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -496,24 +496,6 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
        }
 }
 
-int tcp_v4_gso_send_check(struct sk_buff *skb)
-{
-       struct iphdr *iph;
-       struct tcphdr *th;
-
-       if (!pskb_may_pull(skb, sizeof(*th)))
-               return -EINVAL;
-
-       iph = skb->nh.iph;
-       th = skb->h.th;
-
-       th->check = 0;
-       th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0);
-       skb->csum = offsetof(struct tcphdr, check);
-       skb->ip_summed = CHECKSUM_HW;
-       return 0;
-}
-
 /*
  *     This routine will send an RST to the other tcp.
  *
@@ -919,7 +901,6 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                inet_csk(newsk)->icsk_ext_hdr_len = newinet->opt->optlen;
        newinet->id = newtp->write_seq ^ jiffies;
 
-       tcp_mtup_init(newsk);
        tcp_sync_mss(newsk, dst_mtu(dst));
        newtp->advmss = dst_metric(dst, RTAX_ADVMSS);
        tcp_initialize_rcv_mss(newsk);
@@ -1256,21 +1237,17 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw)
 }
 
 struct inet_connection_sock_af_ops ipv4_specific = {
-       .queue_xmit        = ip_queue_xmit,
-       .send_check        = tcp_v4_send_check,
-       .rebuild_header    = inet_sk_rebuild_header,
-       .conn_request      = tcp_v4_conn_request,
-       .syn_recv_sock     = tcp_v4_syn_recv_sock,
-       .remember_stamp    = tcp_v4_remember_stamp,
-       .net_header_len    = sizeof(struct iphdr),
-       .setsockopt        = ip_setsockopt,
-       .getsockopt        = ip_getsockopt,
-       .addr2sockaddr     = inet_csk_addr2sockaddr,
-       .sockaddr_len      = sizeof(struct sockaddr_in),
-#ifdef CONFIG_COMPAT
-       .compat_setsockopt = compat_ip_setsockopt,
-       .compat_getsockopt = compat_ip_getsockopt,
-#endif
+       .queue_xmit     =       ip_queue_xmit,
+       .send_check     =       tcp_v4_send_check,
+       .rebuild_header =       inet_sk_rebuild_header,
+       .conn_request   =       tcp_v4_conn_request,
+       .syn_recv_sock  =       tcp_v4_syn_recv_sock,
+       .remember_stamp =       tcp_v4_remember_stamp,
+       .net_header_len =       sizeof(struct iphdr),
+       .setsockopt     =       ip_setsockopt,
+       .getsockopt     =       ip_getsockopt,
+       .addr2sockaddr  =       inet_csk_addr2sockaddr,
+       .sockaddr_len   =       sizeof(struct sockaddr_in),
 };
 
 /* NOTE: A lot of things set to zero explicitly by call to
@@ -1893,16 +1870,23 @@ struct proto tcp_prot = {
        .obj_size               = sizeof(struct tcp_sock),
        .twsk_prot              = &tcp_timewait_sock_ops,
        .rsk_prot               = &tcp_request_sock_ops,
-#ifdef CONFIG_COMPAT
-       .compat_setsockopt      = compat_tcp_setsockopt,
-       .compat_getsockopt      = compat_tcp_getsockopt,
-#endif
 };
 
+
+
 void __init tcp_v4_init(struct net_proto_family *ops)
 {
-       if (inet_csk_ctl_sock_create(&tcp_socket, PF_INET, SOCK_RAW, IPPROTO_TCP) < 0)
+       int err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_TCP, &tcp_socket);
+       if (err < 0)
                panic("Failed to create the TCP control socket.\n");
+       tcp_socket->sk->sk_allocation   = GFP_ATOMIC;
+       inet_sk(tcp_socket->sk)->uc_ttl = -1;
+
+       /* Unhash it so that IP input processing does not even
+        * see it, we do not wish this socket to see incoming
+        * packets.
+        */
+       tcp_socket->sk->sk_prot->unhash(tcp_socket->sk);
 }
 
 EXPORT_SYMBOL(ipv4_specific);
@@ -1922,4 +1906,5 @@ EXPORT_SYMBOL(tcp_proc_unregister);
 #endif
 EXPORT_SYMBOL(sysctl_local_port_range);
 EXPORT_SYMBOL(sysctl_tcp_low_latency);
+EXPORT_SYMBOL(sysctl_tcp_tw_reuse);