diff options
| -rw-r--r-- | net/mptcp/protocol.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3722a8580b61..efc84816a692 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1711,17 +1711,14 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) int ret = 0; long timeo; - /* we don't support FASTOPEN yet */ - if (msg->msg_flags & MSG_FASTOPEN) - return -EOPNOTSUPP; - /* silently ignore everything else */ - msg->msg_flags &= MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL; + msg->msg_flags &= MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL | MSG_FASTOPEN; lock_sock(sk); ssock = __mptcp_nmpc_socket(msk); - if (unlikely(ssock && inet_sk(ssock->sk)->defer_connect)) { + if (unlikely(ssock && (inet_sk(ssock->sk)->defer_connect || + msg->msg_flags & MSG_FASTOPEN))) { int copied_syn = 0; ret = mptcp_sendmsg_fastopen(sk, ssock->sk, msg, len, &copied_syn); |