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authorNeale Ranns <neale@graphiant.com>2021-07-16 14:00:16 +0000
committerBeno�t Ganne <bganne@cisco.com>2022-08-09 14:17:46 +0000
commitfd2417b2a42e34062e3d07875e5c4e11922513d5 (patch)
treeeec1ea914c259f685e2bca897e5853faec9339c1 /src/vnet/arp/arp.c
parent896b184b781a09ce5cefb94c471029c6a8d025aa (diff)
ip-neighbor: ARP and ND stats per-interface.
Type: feature stats of the like from: https://datatracker.ietf.org/doc/html/draft-ietf-rtgwg-arp-yang-model-03#section-4 Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Icb1bf4f6f7e6ccc2f44b0008d4774b61cae96184
Diffstat (limited to 'src/vnet/arp/arp.c')
-rw-r--r--src/vnet/arp/arp.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/src/vnet/arp/arp.c b/src/vnet/arp/arp.c
index a2292f1c922..5765101701d 100644
--- 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;