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authorFlorin Coras <fcoras@cisco.com>2019-02-20 19:48:31 -0800
committerDamjan Marion <dmarion@me.com>2019-02-21 12:27:03 +0000
commit565115edf0d6689a3f362c69240c160b49807156 (patch)
treecb0dd4a6299fc6ec4fdade0f71fb2f21ac9e33c6 /src/vnet/tcp
parent0964985cdd99cf769582e0d9393de68a95b121b9 (diff)
tcp: drop outstanding data when entering closing state
Change-Id: I92a009b9630b0d882ea3c5c99aad88ed6f5109a0 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp')
-rw-r--r--src/vnet/tcp/tcp_input.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index c5dfb3f7372..dbe1fc4de87 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -564,7 +564,7 @@ tcp_handle_postponed_dequeues (tcp_worker_ctx_t * wrk)
continue;
/* Dequeue the newly ACKed bytes */
- stream_session_dequeue_drop (&tc->connection, tc->burst_acked);
+ session_dequeue_drop (&tc->connection, tc->burst_acked);
tc->burst_acked = 0;
tcp_validate_txf_size (tc, tc->snd_una_max - tc->snd_una);
@@ -2806,8 +2806,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
/* Don't try to deq the FIN acked */
if (tc0->burst_acked > 1)
- stream_session_dequeue_drop (&tc0->connection,
- tc0->burst_acked - 1);
+ session_dequeue_drop (&tc0->connection, tc0->burst_acked - 1);
tc0->burst_acked = 0;
}
break;
@@ -2950,8 +2949,17 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
case TCP_STATE_FIN_WAIT_1:
tc0->rcv_nxt += 1;
tcp_connection_set_state (tc0, TCP_STATE_CLOSING);
- tcp_program_ack (wrk, tc0);
- /* Wait for ACK but not forever */
+ if (tc0->flags & TCP_CONN_FINPNDG)
+ {
+ /* Drop all outstanding tx data. */
+ session_dequeue_drop (&tc0->connection,
+ transport_max_tx_dequeue
+ (&tc0->connection));
+ tcp_send_fin (tc0);
+ }
+ else
+ tcp_program_ack (wrk, tc0);
+ /* Wait for ACK for our FIN but not forever */
tcp_timer_update (tc0, TCP_TIMER_WAITCLOSE, TCP_2MSL_TIME);
break;
case TCP_STATE_FIN_WAIT_2: