diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-09-20 18:36:54 -0700 |
|---|---|---|
| committer |   Marco Varlese <marco.varlese@suse.de> | 2018-09-21 08:01:18 +0000 |
| commit | c01c4451c5c6285fbfb086fb46557234804f86ee (patch) | |
| tree | 0dd4658b5679d3bf9e3ddc8f20af55cca51a5a38 /src/vnet/tcp | |
| parent | 877ad144b67573d7d102268958ebedbb318b738c (diff) | |
tcp: accept fin-ack in syn-rcvd state
Change-Id: Ibe57abc7d2a06be80146ce28edf4c60ecda991eb
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 3f36b6996be..e6c12f07ad2 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -2735,10 +2735,10 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node, case TCP_STATE_SYN_RCVD: /* Send FIN-ACK notify app and enter CLOSE-WAIT */ tcp_connection_timers_reset (tc0); - tcp_retransmit_timer_set (tc0); tcp_make_fin (tc0, b0); tc0->snd_nxt += 1; tc0->snd_una_max = tc0->snd_nxt; + tcp_retransmit_timer_set (tc0); next0 = tcp_next_output (tc0->c_is_ip4); stream_session_disconnect_notify (&tc0->connection); tc0->state = TCP_STATE_CLOSE_WAIT; @@ -3442,6 +3442,8 @@ do { \ _(SYN_RCVD, TCP_FLAG_ACK, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE); _(SYN_RCVD, TCP_FLAG_RST, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE); _(SYN_RCVD, TCP_FLAG_SYN, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE); + _(SYN_RCVD, TCP_FLAG_FIN | TCP_FLAG_ACK, TCP_INPUT_NEXT_RCV_PROCESS, + TCP_ERROR_NONE); /* SYN-ACK for a SYN */ _(SYN_SENT, TCP_FLAG_SYN | TCP_FLAG_ACK, TCP_INPUT_NEXT_SYN_SENT, TCP_ERROR_NONE); |