inet, inet6: make tcp_sendmsg() and tcp_sendpage() through inet_sendmsg() and inet_sendpage()

a new boolean flag no_autobind is added to structure proto to avoid the autobind
calls when the protocol is TCP. Then sock_rps_record_flow() is called int the
TCP's sendmsg() and sendpage() pathes.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
 include/net/inet_common.h |    4 ++++
 include/net/sock.h        |    1 +
 include/net/tcp.h         |    8 ++++----
 net/ipv4/af_inet.c        |   15 +++++++++------
 net/ipv4/tcp.c            |   11 +++++------
 net/ipv4/tcp_ipv4.c       |    3 +++
 net/ipv6/af_inet6.c       |    8 ++++----
 net/ipv6/tcp_ipv6.c       |    3 +++
 8 files changed, 33 insertions(+), 20 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 44545e8e8c92..020766292bb0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2600,6 +2600,8 @@ struct proto tcp_prot = {
         .setsockopt             = tcp_setsockopt,
         .getsockopt             = tcp_getsockopt,
         .recvmsg                = tcp_recvmsg,
+        .sendmsg                = tcp_sendmsg,
+        .sendpage               = tcp_sendpage,
         .backlog_rcv            = tcp_v4_do_rcv,
         .hash                   = inet_hash,
         .unhash                 = inet_unhash,
@@ -2618,6 +2620,7 @@ struct proto tcp_prot = {
         .twsk_prot              = &tcp_timewait_sock_ops,
         .rsk_prot               = &tcp_request_sock_ops,
         .h.hashinfo             = &tcp_hashinfo,
+        .no_autobind            = true,
 #ifdef CONFIG_COMPAT
         .compat_setsockopt      = compat_tcp_setsockopt,
         .compat_getsockopt      = compat_tcp_getsockopt,