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path: root/src/vnet/tcp/tcp_input.c
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Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rw-r--r--src/vnet/tcp/tcp_input.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index d32b4fc89a5..6c59d70f072 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1724,9 +1724,13 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
* in CLOSE-WAIT, set timer (reuse WAITCLOSE). */
tc0->state = TCP_STATE_CLOSE_WAIT;
TCP_EVT_DBG (TCP_EVT_FIN_RCVD, tc0);
- tc0->rcv_nxt += (vnet_buffer (b0)->tcp.data_len == 0);
+ if (vnet_buffer (b0)->tcp.data_len == 0)
+ {
+ tc0->rcv_nxt += 1;
+ next0 = TCP_ESTABLISHED_NEXT_DROP;
+ }
stream_session_disconnect_notify (&tc0->connection);
- tcp_timer_set (tc0, TCP_TIMER_WAITCLOSE, TCP_CLOSEWAIT_TIME);
+ tcp_timer_update (tc0, TCP_TIMER_WAITCLOSE, TCP_CLOSEWAIT_TIME);
}
done:
@@ -1819,7 +1823,6 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
tcp_main_t *tm = vnet_get_tcp_main ();
u32 n_left_from, next_index, *from, *to_next;
u32 my_thread_index = vm->thread_index, errors = 0;
- u8 sst = is_ip4 ? SESSION_TYPE_IP4_TCP : SESSION_TYPE_IP6_TCP;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
@@ -1936,10 +1939,6 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (tcp_options_parse (tcp0, &tc0->rcv_opts))
goto drop;
- /* Stop connection establishment and retransmit timers */
- tcp_timer_reset (tc0, TCP_TIMER_ESTABLISH);
- tcp_timer_reset (tc0, TCP_TIMER_RETRANSMIT_SYN);
-
/* Valid SYN or SYN-ACK. Move connection from half-open pool to
* current thread pool. */
pool_get (tm->connections[my_thread_index], new_tc0);
@@ -1948,7 +1947,14 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
new_tc0->c_thread_index = my_thread_index;
new_tc0->rcv_nxt = vnet_buffer (b0)->tcp.seq_end;
new_tc0->irs = seq0;
- tcp_half_open_connection_del (tc0);
+ new_tc0->timers[TCP_TIMER_ESTABLISH] = TCP_TIMER_HANDLE_INVALID;
+ new_tc0->timers[TCP_TIMER_RETRANSMIT_SYN] =
+ TCP_TIMER_HANDLE_INVALID;
+
+ /* If this is not the owning thread, wait for syn retransmit to
+ * expire and cleanup then */
+ if (tcp_half_open_connection_cleanup (tc0))
+ tc0->flags |= TCP_CONN_HALF_OPEN_DONE;
if (tcp_opts_tstamp (&new_tc0->rcv_opts))
{
@@ -1980,11 +1986,10 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
/* Notify app that we have connection. If session layer can't
* allocate session send reset */
- if (stream_session_connect_notify (&new_tc0->connection, sst,
- 0))
+ if (stream_session_connect_notify (&new_tc0->connection, 0))
{
+ tcp_send_reset (new_tc0, b0, is_ip4);
tcp_connection_cleanup (new_tc0);
- tcp_send_reset (tc0, b0, is_ip4);
goto drop;
}
@@ -2002,8 +2007,7 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
new_tc0->state = TCP_STATE_SYN_RCVD;
/* Notify app that we have connection */
- if (stream_session_connect_notify
- (&new_tc0->connection, sst, 0))
+ if (stream_session_connect_notify (&new_tc0->connection, 0))
{
tcp_connection_cleanup (new_tc0);
tcp_send_reset (tc0, b0, is_ip4);
@@ -2250,6 +2254,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (tc0->snd_una == tc0->snd_una_max)
{
ASSERT (tcp_fin (tcp0));
+ tc0->rcv_nxt += 1;
tc0->state = TCP_STATE_FIN_WAIT_2;
TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc0);
@@ -2263,6 +2268,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
* acknowledged ("ok") but do not delete the TCB. */
if (tcp_rcv_ack (tc0, b0, tcp0, &next0, &error0))
goto drop;
+
/* check if rtx queue is empty and ack CLOSE TODO */
break;
case TCP_STATE_CLOSE_WAIT:
@@ -2384,7 +2390,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
/* Got FIN, send ACK! */
tc0->state = TCP_STATE_TIME_WAIT;
tcp_connection_timers_reset (tc0);
- tcp_timer_set (tc0, TCP_TIMER_WAITCLOSE, TCP_CLOSEWAIT_TIME);
+ tcp_timer_update (tc0, TCP_TIMER_WAITCLOSE, TCP_CLOSEWAIT_TIME);
tcp_make_ack (tc0, b0);
next0 = tcp_next_output (is_ip4);
TCP_EVT_DBG (TCP_EVT_STATE_CHANGE, tc0);
@@ -2745,7 +2751,7 @@ tcp_lookup_is_valid (tcp_connection_t * tc, tcp_header_t * hdr)
if ((tmp =
stream_session_half_open_lookup (&tc->c_lcl_ip, &tc->c_rmt_ip,
tc->c_lcl_port, tc->c_rmt_port,
- tc->c_proto)))
+ tc->c_transport_proto)))
{
if (tmp->lcl_port == hdr->dst_port
&& tmp->rmt_port == hdr->src_port)