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authorFlorin Coras <fcoras@cisco.com>2019-10-16 19:28:17 -0700
committerDave Barach <openvpp@barachs.net>2019-10-17 18:42:18 +0000
commitcb711a4ec908b89edc9da29d3c2e093dab85fbbf (patch)
treef1243df614041ccd384ff88e078ab490f668591c /src/vnet/tcp/tcp_input.c
parentec44e263728e6795f77e1d16d6c07eeb093b4f34 (diff)
tcp: avoid sending acks when data available
Type: fix Change-Id: I02e2cb2d349f9ddb2bfed040a08ca448f379d565 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rwxr-xr-xsrc/vnet/tcp/tcp_input.c5
1 files changed, 4 insertions, 1 deletions
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: