From cb711a4ec908b89edc9da29d3c2e093dab85fbbf Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 16 Oct 2019 19:28:17 -0700 Subject: tcp: avoid sending acks when data available Type: fix Change-Id: I02e2cb2d349f9ddb2bfed040a08ca448f379d565 Signed-off-by: Florin Coras --- src/vnet/tcp/tcp_input.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/vnet/tcp/tcp_input.c') diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 22222fba1e2..10f96fa7b59 100755 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -1681,6 +1681,7 @@ tcp_rcv_fin (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, vlib_buffer_t * b, /* Account for the FIN and send ack */ tc->rcv_nxt += 1; + tc->flags |= TCP_CONN_FINRCVD; tcp_program_ack (tc); /* Enter CLOSE-WAIT and notify session. To avoid lingering * in CLOSE-WAIT, set timer (reuse WAITCLOSE). */ @@ -2593,7 +2594,9 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } else { - tcp_program_ack (new_tc0); + /* Send ack now instead of programming it because connection was + * just established and it's not optional. */ + tcp_send_ack (new_tc0); } drop: -- cgit 1.2.3-korg