From: Benoît Ganne <bganne@cisco.com>
Date: Mon, 12 Sep 2022 13:06:22 +0000 (+0200)
Subject: arp: check for manually added proxy-arp entries
X-Git-Tag: v23.02-rc0~4
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=6b4c6e1624ac15e20eeeac385aa8cbee0f142121;p=vpp.git

arp: check for manually added proxy-arp entries

When manually adding neighbor entries for proxy-arp, those will be
fib-adj entries. Check for proxy-arp instead of dropping immediately.

Type: improvement

Change-Id: Id311159f2966c99719dc2a67d4d2bc92bf366029
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/vnet/arp/arp.c b/src/vnet/arp/arp.c
index ce3eb399477..d39d48e2c77 100644
--- a/src/vnet/arp/arp.c
+++ b/src/vnet/arp/arp.c
@@ -556,7 +556,7 @@ arp_reply (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
 		  error0 =
 		    arp_learn (sw_if_index0, &arp0->ip4_over_ethernet[0]);
 		}
-	      goto drop;
+	      goto next_feature;
 	    case ARP_DST_FIB_CONN:
 	      /* destination is connected, continue to process */
 	      break;