diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-10-16 20:30:31 -0700 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-10-17 09:40:22 +0000 |
| commit | c977e7c100f5727183f9452e2c0d086623a21d15 (patch) | |
| tree | 381cf151a45ffce5b2b2082c8efc251203933405 /src/vnet/tcp | |
| parent | 34ca075636cc9a7974cd4483f28303137a7d42df (diff) | |
tcp: fix multiple fin retries (VPP-1461)
Change-Id: I1be7c59df7b48875f81ebeebf5f39ed15a43d2d8
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index 79d64cf2da3..7d7c32ad210 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -1076,24 +1076,25 @@ tcp_send_fin (tcp_connection_t * tc) u32 bi; u8 fin_snt = 0; - tcp_retransmit_timer_force_update (tc); + fin_snt = tc->flags & TCP_CONN_FINSNT; + if (fin_snt) + tc->snd_nxt = tc->snd_una; + if (PREDICT_FALSE (tcp_get_free_buffer_index (tm, &bi))) { /* Out of buffers so program fin retransmit ASAP */ tcp_timer_update (tc, TCP_TIMER_RETRANSMIT, 1); - tc->flags |= TCP_CONN_FINSNT; - tc->snd_una_max += 1; - tc->snd_nxt = tc->snd_una_max; - return; + goto post_enqueue; } + tcp_retransmit_timer_force_update (tc); b = vlib_get_buffer (vm, bi); tcp_init_buffer (vm, b); - fin_snt = tc->flags & TCP_CONN_FINSNT; - if (fin_snt) - tc->snd_nxt = tc->snd_una; tcp_make_fin (tc, b); tcp_enqueue_to_output_now (vm, b, bi, tc->c_is_ip4); + TCP_EVT_DBG (TCP_EVT_FIN_SENT, tc); + +post_enqueue: if (!fin_snt) { tc->flags |= TCP_CONN_FINSNT; @@ -1106,7 +1107,6 @@ tcp_send_fin (tcp_connection_t * tc) { tc->snd_nxt = tc->snd_una_max; } - TCP_EVT_DBG (TCP_EVT_FIN_SENT, tc); } always_inline u8 |