tcp: export tcp_sendmsg_fastopen

It will be used to support TCP FastOpen with MPTCP in the following
commit.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Dmytro Shytyi <dmytro@shytyi.net>
Signed-off-by: Dmytro Shytyi <dmytro@shytyi.net>
Signed-off-by: Benjamin Hesmans <benjamin.hesmans@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 27e8d378c70a19149ec15d1252375fdc8aa9103b..4f71cc15ff8eb45b62e4cdbfb33d632152b4f23c 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -327,6 +327,8 @@ void tcp_remove_empty_skb(struct sock *sk);
 int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
 int tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
 int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size);
+int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *copied,
+                        size_t size, struct ubuf_info *uarg);
 int tcp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
                 int flags);
 int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset,

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index a109a4cb1e4799b9669d4afad103e4920ef4b7da..648b5c54bb3263a14fc74d7608c936437b9b6e6e 100644 (file)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1162,9 +1162,8 @@ void tcp_free_fastopen_req(struct tcp_sock *tp)
        }
 }
 
-static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
-                               int *copied, size_t size,
-                               struct ubuf_info *uarg)
+int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, int *copied,
+                        size_t size, struct ubuf_info *uarg)
 {
        struct tcp_sock *tp = tcp_sk(sk);
        struct inet_sock *inet = inet_sk(sk);