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>

3 files changed, 9 insertions, 4 deletions

diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 140c1ec9f8a2..22fac9892b16 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -21,6 +21,10 @@ extern int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
 extern int inet_accept(struct socket *sock, struct socket *newsock, int flags);
 extern int inet_sendmsg(struct kiocb *iocb, struct socket *sock,
                         struct msghdr *msg, size_t size);
+extern ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
+                             size_t size, int flags);
+extern int inet_recvmsg(struct kiocb *iocb, struct socket *sock,
+                        struct msghdr *msg, size_t size, int flags);
 extern int inet_shutdown(struct socket *sock, int how);
 extern int inet_listen(struct socket *sock, int backlog);
 extern void inet_sock_destruct(struct sock *sk);
diff --git a/include/net/sock.h b/include/net/sock.h
index 4f26f2f83be9..3100e71f0c3d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -772,6 +772,7 @@ struct proto {
         int                     *sysctl_wmem;
         int                     *sysctl_rmem;
         int                     max_header;
+        bool                    no_autobind;
 
         struct kmem_cache       *slab;
         unsigned int            obj_size;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 33ce5242a17a..468b01f01c13 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -304,10 +304,10 @@ extern int tcp_v4_rcv(struct sk_buff *skb);
 
 extern int tcp_v4_remember_stamp(struct sock *sk);
 extern int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
-extern int tcp_sendmsg(struct kiocb *iocb, struct socket *sock,
-                       struct msghdr *msg, size_t size);
-extern ssize_t tcp_sendpage(struct socket *sock, struct page *page, int offset,
-                            size_t size, int flags);
+extern int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+                       size_t size);
+extern int tcp_sendpage(struct sock *sk, struct page *page, int offset,
+                        size_t size, int flags);
 extern int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg);
 extern int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                                  struct tcphdr *th, unsigned len);