diff options
| author |   Florin Coras <fcoras@cisco.com> | 2021-04-22 21:10:02 -0700 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2021-04-23 15:24:26 +0000 |
| commit | 607ece36b6f0fc6fe1122db58f2eb7d3713f34cc (patch) | |
| tree | 07b37cfe673950e11c653bc8980a06c8e752c0e0 | |
| parent | 646984080358df8091c4fb10890a033777d90e4c (diff) | |
tcp: try to update sack list only if not empty
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ieb5af96de5be33356dbab7bc4ab4696731fa8866
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 398bf1b76a7..5ec4099fa46 100644 --- 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); |