tcp: count resets sent

Type:feature

Change-Id: Ie1ab4b24af9c654d5e0ed94b7fa96ca195b01c56
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 79cc95e..58d2167 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -843,6 +843,8 @@
 
   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_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