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authorBenjamin Hesmans <benjamin.hesmans@tessares.net>2022-09-26 16:27:37 -0700
committerJakub Kicinski <kuba@kernel.org>2022-09-28 18:52:03 -0700
commit3242abeb8da7071fa40d32346ed36343bee33b80 (patch)
tree195c76cd8282d89221a43180dfc69669589649d1
parentmptcp: add TCP_FASTOPEN_CONNECT socket option (diff)
downloadlinux-dev-3242abeb8da7071fa40d32346ed36343bee33b80.tar.xz
linux-dev-3242abeb8da7071fa40d32346ed36343bee33b80.zip
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>
-rw-r--r--include/net/tcp.h2
-rw-r--r--net/ipv4/tcp.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 27e8d378c70a..4f71cc15ff8e 100644
--- 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 a109a4cb1e47..648b5c54bb32 100644
--- 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);