tcp: count resets sent

Type:feature

Change-Id: Ie1ab4b24af9c654d5e0ed94b7fa96ca195b01c56
Signed-off-by: Florin Coras <fcoras@cisco.com>

diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 8f2665d..698173e 100644 (file)
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -577,6 +577,9 @@ extern vlib_node_registration_t tcp6_rcv_process_node;
 extern vlib_node_registration_t tcp4_listen_node;
 extern vlib_node_registration_t tcp6_listen_node;
 
+#define tcp_node_index(node_id, is_ip4)                                \
+  ((is_ip4) ? tcp4_##node_id##_node.index : tcp6_##node_id##_node.index)
+
 always_inline tcp_main_t *
 vnet_get_tcp_main ()
 {

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 79cc95e..58d2167 100644 (file)
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -843,6 +843,8 @@ tcp_send_reset_w_pkt (tcp_connection_t * tc, vlib_buffer_t * pkt,
 
   tcp_enqueue_to_ip_lookup_now (wrk, b, bi, is_ip4, fib_index);
   TCP_EVT_DBG (TCP_EVT_RST_SENT, tc);
+  vlib_node_increment_counter (vm, tcp_node_index (output, tc->c_is_ip4),
+                              TCP_ERROR_RST_SENT, 1);
 }
 
 /**
@@ -892,6 +894,8 @@ tcp_send_reset (tcp_connection_t * tc)
     }
   tcp_enqueue_to_ip_lookup_now (wrk, b, bi, tc->c_is_ip4, tc->c_fib_index);
   TCP_EVT_DBG (TCP_EVT_RST_SENT, tc);
+  vlib_node_increment_counter (vm, tcp_node_index (output, tc->c_is_ip4),
+                              TCP_ERROR_RST_SENT, 1);
 }
 
 static void