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tcp: try to update sack list only if not empty
00/32100/3
author
Florin Coras
<fcoras@cisco.com>
Fri, 23 Apr 2021 04:10:02 +0000
(21:10 -0700)
committer
Dave Barach
<openvpp@barachs.net>
Fri, 23 Apr 2021 15:24:26 +0000
(15:24 +0000)
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ieb5af96de5be33356dbab7bc4ab4696731fa8866
src/vnet/tcp/tcp_input.c
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diff --git
a/src/vnet/tcp/tcp_input.c
b/src/vnet/tcp/tcp_input.c
index
398bf1b
..
5ec4099
100644
(file)
--- a/
src/vnet/tcp/tcp_input.c
+++ b/
src/vnet/tcp/tcp_input.c
@@
-1187,7
+1187,7
@@
tcp_session_enqueue_data (tcp_connection_t * tc, vlib_buffer_t * b,
}
/* Update SACK list if need be */
- if (tcp_opts_sack_permitted (&tc->rcv_opts))
+ if (tcp_opts_sack_permitted (&tc->rcv_opts)
&& vec_len (tc->snd_sacks)
)
{
/* Remove SACK blocks that have been delivered */
tcp_update_sack_list (tc, tc->rcv_nxt, tc->rcv_nxt);