diff options
| author |   Florin Coras <fcoras@cisco.com> | 2022-12-06 08:39:15 -0800 |
|---|---|---|
| committer |   Dave Barach <vpp@barachs.net> | 2022-12-07 21:29:33 +0000 |
| commit | 919fdad6bc54d0ed6e2ac842770e9e77c5cbc0a6 (patch) | |
| tree | 809f38243cec771fdfba9e1490b57c5509d1efd3 | |
| parent | 98a91e82608e6e30d4516b52556cdaaa9837ee24 (diff) | |
tcp: avoid retransmit head with no data
Type: fix
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Iefabc7b9dd1109fd6dcf65e5d9794173421b7369
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index f5035006822..95480af0f2d 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -1749,7 +1749,7 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, && tc->rxt_head != tc->snd_una && tcp_retransmit_should_retry_head (tc, sb)) { - max_bytes = clib_min (tc->snd_mss, tc->snd_congestion - tc->snd_una); + max_bytes = clib_min (tc->snd_mss, tc->snd_nxt - tc->snd_una); n_written = tcp_prepare_retransmit_segment (wrk, tc, 0, max_bytes, &b); if (!n_written) { |