diff options
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index a4c6e37e07c9..2602f1386160 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -440,19 +440,22 @@ static bool tcp_can_send_ack(const struct sock *ssk) (TCPF_SYN_SENT | TCPF_SYN_RECV | TCPF_TIME_WAIT | TCPF_CLOSE | TCPF_LISTEN)); } +void mptcp_subflow_send_ack(struct sock *ssk) +{ + bool slow; + + slow = lock_sock_fast(ssk); + if (tcp_can_send_ack(ssk)) + tcp_send_ack(ssk); + unlock_sock_fast(ssk, slow); +} + static void mptcp_send_ack(struct mptcp_sock *msk) { struct mptcp_subflow_context *subflow; - mptcp_for_each_subflow(msk, subflow) { - struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - bool slow; - - slow = lock_sock_fast(ssk); - if (tcp_can_send_ack(ssk)) - tcp_send_ack(ssk); - unlock_sock_fast(ssk, slow); - } + mptcp_for_each_subflow(msk, subflow) + mptcp_subflow_send_ack(mptcp_subflow_tcp_sock(subflow)); } static void mptcp_subflow_cleanup_rbuf(struct sock *ssk) |