tcp: accept sack reneging as a cc event
Type: fix
Change-Id: Iead1303ca3dec7593eb3ce54f291b82d94c821a4
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index c94e5ba..52d7316 100755
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1400,6 +1400,10 @@
{
u8 has_sack = tcp_opts_sack_permitted (&tc->rcv_opts);
+ /* If reneging, wait for timer based retransmits */
+ if (PREDICT_FALSE (tcp_is_lost_fin (tc) || tc->sack_sb.is_reneging))
+ return;
+
/*
* If not in recovery, figure out if we should enter
*/
@@ -1530,10 +1534,6 @@
*is_dack = tc->sack_sb.last_sacked_bytes
|| tcp_ack_is_dupack (tc, b, prev_snd_wnd, prev_snd_una);
- /* If reneging, wait for timer based retransmits */
- if (PREDICT_FALSE (tcp_is_lost_fin (tc) || tc->sack_sb.is_reneging))
- return 0;
-
return (*is_dack || tcp_in_cong_recovery (tc));
}