diff options
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index e232ed43b69..78148cd5695 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -1810,7 +1810,11 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc, break; } - max_bytes = clib_min (hole->end - sb->high_rxt, snd_space); + max_bytes = hole->end - sb->high_rxt; + /* Avoid retransmitting segment less than mss if possible */ + if (snd_space < tc->snd_mss && max_bytes > snd_space) + break; + max_bytes = clib_min (max_bytes, snd_space); max_bytes = snd_limited ? clib_min (max_bytes, tc->snd_mss) : max_bytes; if (max_bytes == 0) break; |