diff options
| author |   Florin Coras <fcoras@cisco.com> | 2022-01-05 10:16:07 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2022-01-06 23:09:40 +0000 |
| commit | ed5be47009aca45008ba9d44e76ac51ec1f7f156 (patch) | |
| tree | 9dbd8a4dd43777f706eed8b1167a22d729eb05f7 /src/vnet/tcp/tcp_sack.c | |
| parent | 8e1ada3a615f47d318586add8a4358ea50a10695 (diff) | |
tcp: mark lost first sack hole on timeout
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I1abff943f3fe3ff0219126b5b8beded4ad859758
Diffstat (limited to 'src/vnet/tcp/tcp_sack.c')
| -rw-r--r-- | src/vnet/tcp/tcp_sack.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_sack.c b/src/vnet/tcp/tcp_sack.c index 8f51b517361..63af07b50cd 100644 --- a/src/vnet/tcp/tcp_sack.c +++ b/src/vnet/tcp/tcp_sack.c @@ -265,6 +265,27 @@ scoreboard_init_rxt (sack_scoreboard_t * sb, u32 snd_una) } void +scoreboard_rxt_mark_lost (sack_scoreboard_t *sb, u32 snd_una, u32 snd_nxt) +{ + sack_scoreboard_hole_t *hole; + + hole = scoreboard_first_hole (sb); + if (!hole) + { + hole = scoreboard_insert_hole (sb, TCP_INVALID_SACK_HOLE_INDEX, snd_una, + snd_nxt); + sb->tail = scoreboard_hole_index (sb, hole); + sb->high_sacked = snd_una; + } + + if (hole->is_lost) + return; + + hole->is_lost = 1; + sb->lost_bytes += scoreboard_hole_bytes (hole); +} + +void scoreboard_init (sack_scoreboard_t * sb) { sb->head = TCP_INVALID_SACK_HOLE_INDEX; |