ip-neighbor: ARP and ND stats per-interface.

[vpp.git] / src / vnet / arp / arp.c

diff --git a/src/vnet/arp/arp.c b/src/vnet/arp/arp.c
index a2292f1..5765101 100644 (file)
--- a/src/vnet/arp/arp.c
+++ b/src/vnet/arp/arp.c
@@ -25,6 +25,7 @@
 #include <vnet/pg/pg.h>
 
 #include <vnet/ip-neighbor/ip_neighbor.h>
+#include <vnet/ip-neighbor/ip4_neighbor.h>
 #include <vnet/ip-neighbor/ip_neighbor_dp.h>
 
 #include <vlibmemory/api.h>
@@ -565,8 +566,14 @@ arp_reply (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
                error0 = ETHERNET_ARP_ERROR_l3_dst_address_not_local;
              else if (arp0->ip4_over_ethernet[0].ip4.as_u32 ==
                       arp0->ip4_over_ethernet[1].ip4.as_u32)
-               error0 = arp_learn (sw_if_index0,
-                                   &arp0->ip4_over_ethernet[0]);
+               {
+                 vlib_increment_simple_counter (
+                   &ip_neighbor_counters[AF_IP4]
+                      .ipnc[VLIB_RX][IP_NEIGHBOR_CTR_GRAT],
+                   vm->thread_index, sw_if_index0, 1);
+                 error0 =
+                   arp_learn (sw_if_index0, &arp0->ip4_over_ethernet[0]);
+               }
              goto drop;
            case ARP_DST_FIB_CONN:
              /* destination is connected, continue to process */
@@ -600,6 +607,14 @@ arp_reply (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
              goto drop;
            }
 
+         vlib_increment_simple_counter (
+           &ip_neighbor_counters[AF_IP4]
+              .ipnc[VLIB_RX][arp0->opcode == clib_host_to_net_u16 (
+                                               ETHERNET_ARP_OPCODE_reply) ?
+                                     IP_NEIGHBOR_CTR_REPLY :
+                                     IP_NEIGHBOR_CTR_REQUEST],
+           vm->thread_index, sw_if_index0, 1);
+
          /* Learn or update sender's mapping only for replies to addresses
           * that are local to the subnet */
          if (arp0->opcode ==
@@ -653,6 +668,9 @@ arp_reply (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
          if (!error0)
            error0 = arp_learn (sw_if_index0, &arp0->ip4_over_ethernet[1]);
 
+         vlib_increment_simple_counter (
+           &ip_neighbor_counters[AF_IP4].ipnc[VLIB_TX][IP_NEIGHBOR_CTR_REPLY],
+           vm->thread_index, sw_if_index0, 1);
          n_replies_sent += 1;
          goto enqueue;