From b51f9b80c032e1af1e3e7e8dc733d2d49831e982 Mon Sep 17 00:00:00 2001 From: Paolo Abeni Date: Fri, 27 Mar 2020 14:48:44 -0700 Subject: mptcp: introduce MPTCP retransmission timer The timer will be used to schedule retransmission. It's frequency is based on the current subflow RTO estimation and is reset on every una_seq update The timer is clearer for good by __mptcp_clear_xmit() Also clean MPTCP rtx queue before each transmission. Signed-off-by: Paolo Abeni Signed-off-by: Mat Martineau Signed-off-by: David S. Miller --- net/mptcp/options.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'net/mptcp/options.c') diff --git a/net/mptcp/options.c b/net/mptcp/options.c index b0ff8ad702a3..bd220ee4aac9 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -779,8 +779,10 @@ static void update_una(struct mptcp_sock *msk, snd_una = old_snd_una; old_snd_una = atomic64_cmpxchg(&msk->snd_una, snd_una, new_snd_una); - if (old_snd_una == snd_una) + if (old_snd_una == snd_una) { + mptcp_data_acked((struct sock *)msk); break; + } } } -- cgit v1.2.3