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authorFlorin Coras <fcoras@cisco.com>2020-04-16 04:30:22 +0000
committerDave Barach <openvpp@barachs.net>2020-04-17 14:58:23 +0000
commitd50ff7fba167035b10def282b5ec166fa7899948 (patch)
treec228e4e1abf11118730c568643134c887dac3d71 /src/vnet/tcp/tcp.c
parentce815deb72fd3941b000aecec931131afc9d6c34 (diff)
session tcp: track half open in app wrk
Type: improvement Do extra checks when establishing an active connect and cleanup pending connects if application detaches. Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Ibe9349db57b313ba2aa5ea3960ef5cf755f5098a
Diffstat (limited to 'src/vnet/tcp/tcp.c')
-rw-r--r--src/vnet/tcp/tcp.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c
index e4335e06769..7798009d2cd 100644
--- a/src/vnet/tcp/tcp.c
+++ b/src/vnet/tcp/tcp.c
@@ -186,7 +186,7 @@ tcp_session_get_listener (u32 listener_index)
*
*/
static void
-tcp_half_open_connection_del (tcp_connection_t * tc)
+tcp_half_open_connection_free (tcp_connection_t * tc)
{
tcp_main_t *tm = vnet_get_tcp_main ();
clib_spinlock_lock_if_init (&tm->half_open_lock);
@@ -214,9 +214,10 @@ tcp_half_open_connection_cleanup (tcp_connection_t * tc)
if (tc->c_thread_index != vlib_get_thread_index ())
return 1;
+ session_half_open_delete_notify (TRANSPORT_PROTO_TCP, tc->c_s_ho_handle);
wrk = tcp_get_worker (tc->c_thread_index);
tcp_timer_reset (&wrk->timer_wheel, tc, TCP_TIMER_RETRANSMIT_SYN);
- tcp_half_open_connection_del (tc);
+ tcp_half_open_connection_free (tc);
return 0;
}
@@ -444,6 +445,18 @@ tcp_session_cleanup (u32 conn_index, u32 thread_index)
}
static void
+tcp_session_cleanup_ho (u32 conn_index)
+{
+ tcp_worker_ctx_t *wrk;
+ tcp_connection_t *tc;
+
+ tc = tcp_half_open_connection_get (conn_index);
+ wrk = tcp_get_worker (tc->c_thread_index);
+ tcp_timer_reset (&wrk->timer_wheel, tc, TCP_TIMER_RETRANSMIT_SYN);
+ tcp_half_open_connection_free (tc);
+}
+
+static void
tcp_session_reset (u32 conn_index, u32 thread_index)
{
tcp_connection_t *tc;
@@ -1148,6 +1161,7 @@ const static transport_proto_vft_t tcp_proto = {
.connect = tcp_session_open,
.close = tcp_session_close,
.cleanup = tcp_session_cleanup,
+ .cleanup_ho = tcp_session_cleanup_ho,
.reset = tcp_session_reset,
.send_params = tcp_session_send_params,
.update_time = tcp_update_time,