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-rw-r--r--src/vnet/tcp/tcp.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index 8e2eb9f4e3d..4652618b22c 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -288,18 +288,31 @@ tcp_connection_close (tcp_connection_t * tc)
{
TCP_EVT_DBG (TCP_EVT_CLOSE, tc);
- /* Send FIN if needed */
- if (tc->state == TCP_STATE_ESTABLISHED
- || tc->state == TCP_STATE_SYN_RCVD || tc->state == TCP_STATE_CLOSE_WAIT)
- tcp_send_fin (tc);
-
- /* Switch state */
- if (tc->state == TCP_STATE_ESTABLISHED || tc->state == TCP_STATE_SYN_RCVD)
- tc->state = TCP_STATE_FIN_WAIT_1;
- else if (tc->state == TCP_STATE_SYN_SENT)
- tc->state = TCP_STATE_CLOSED;
- else if (tc->state == TCP_STATE_CLOSE_WAIT)
- tc->state = TCP_STATE_LAST_ACK;
+ /* Send/Program FIN if needed and switch state */
+ switch (tc->state)
+ {
+ case TCP_STATE_SYN_SENT:
+ tc->state = TCP_STATE_CLOSED;
+ break;
+ case TCP_STATE_SYN_RCVD:
+ tcp_send_fin (tc);
+ tc->state = TCP_STATE_FIN_WAIT_1;
+ break;
+ case TCP_STATE_ESTABLISHED:
+ if (!stream_session_tx_fifo_max_dequeue (&tc->connection))
+ tcp_send_fin (tc);
+ else
+ tc->flags |= TCP_CONN_FINPNDG;
+ tc->state = TCP_STATE_FIN_WAIT_1;
+ break;
+ case TCP_STATE_CLOSE_WAIT:
+ tcp_send_fin (tc);
+ tc->state = TCP_STATE_LAST_ACK;
+ break;
+ default:
+ clib_warning ("shouldn't be here");
+ }
+
TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc);
/* If in CLOSED and WAITCLOSE timer is not set, delete connection now */
@@ -1284,6 +1297,8 @@ tcp_main_enable (vlib_main_t * vm)
vec_validate (tm->tx_frames[0], num_threads - 1);
vec_validate (tm->tx_frames[1], num_threads - 1);
+ tm->bytes_per_buffer = vlib_buffer_free_list_buffer_size
+ (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
return error;
}