diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-06-26 01:22:41 -0700 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-06-26 18:17:17 +0000 |
| commit | 352c2c40c720acefaa49ade61cf9e8fdef3c846f (patch) | |
| tree | 7d0f822114b41c45404e505eea498738e4a265fb | |
| parent | 235a47e371c8ffea352790c001ef39876f2aaef5 (diff) | |
tcp: avoid doing work in tcp_rcv_sacks for no sacks
Change-Id: I00a0d7f57dc144d338d5ad45b0a6e3720c32c400
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index c99d6cca6fe..1e6a8eb4eae 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -823,14 +823,15 @@ tcp_rcv_sacks (tcp_connection_t * tc, u32 ack) int i, j; sb->last_sacked_bytes = 0; - sb->snd_una_adv = 0; - old_sacked_bytes = sb->sacked_bytes; sb->last_bytes_delivered = 0; + sb->snd_una_adv = 0; if (!tcp_opts_sack (&tc->rcv_opts) && sb->head == TCP_INVALID_SACK_HOLE_INDEX) return; + old_sacked_bytes = sb->sacked_bytes; + /* Remove invalid blocks */ blk = tc->rcv_opts.sacks; while (blk < vec_end (tc->rcv_opts.sacks)) |