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path: root/net/ipv4/tcp_ipv4.c
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Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c44
1 files changed, 21 insertions, 23 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 233bdf25996..9e85c041610 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -900,6 +900,7 @@ 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);
@@ -1216,17 +1217,21 @@ 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),
+ .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
};
/* NOTE: A lot of things set to zero explicitly by call to
@@ -1825,23 +1830,16 @@ 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)
{
- int err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_TCP, &tcp_socket);
- if (err < 0)
+ if (inet_csk_ctl_sock_create(&tcp_socket, PF_INET, SOCK_RAW, IPPROTO_TCP) < 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);