From: Stephen Worley <sworley@nvidia.com>
Date: Tue, 9 Nov 2021 22:32:17 +0000 (-0500)
Subject: zebra: add some neigh del not found debugs
X-Git-Tag: base_8.5~239^2~8
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=0653625d3b8ba939b8b1cf1785a2dc12baecee74;p=matthieu%2Ffrr.git

zebra: add some neigh del not found debugs

Add some neigh deletion debugs for when the neigh isn't
found or there is a MAC mismatch on what was sent and found.

Signed-off-by: Stephen Worley <sworley@nvidia.com>
---

diff --git a/zebra/zebra_evpn.c b/zebra/zebra_evpn.c
index e37f56f0eb..f207477445 100644
--- a/zebra/zebra_evpn.c
+++ b/zebra/zebra_evpn.c
@@ -1528,7 +1528,7 @@ void zebra_evpn_rem_macip_del(vni_t vni, const struct ethaddr *macaddr,
 
 	if (n && !mac) {
 		zlog_warn(
-			"Failed to locate MAC %pEA for neigh %pIA VNI %u upon remote MACIP DEL",
+			"Failed to locate MAC %pEA for Neigh %pIA VNI %u upon remote MACIP DEL",
 			macaddr, ipaddr, vni);
 		return;
 	}
@@ -1536,8 +1536,13 @@ void zebra_evpn_rem_macip_del(vni_t vni, const struct ethaddr *macaddr,
 	/* If the remote mac or neighbor doesn't exist there is nothing
 	 * more to do. Otherwise, uninstall the entry and then remove it.
 	 */
-	if (!mac && !n)
+	if (!mac && !n) {
+		if (IS_ZEBRA_DEBUG_VXLAN)
+			zlog_debug(
+				"Failed to locate MAC %pEA & Neigh %pIA VNI %u upon remote MACIP DEL",
+				macaddr, ipaddr, vni);
 		return;
+	}
 
 	zvrf = zevpn->vxlan_if->vrf->info;
 
diff --git a/zebra/zebra_evpn_neigh.c b/zebra/zebra_evpn_neigh.c
index 470bbdb60b..5044d2f6c2 100644
--- a/zebra/zebra_evpn_neigh.c
+++ b/zebra/zebra_evpn_neigh.c
@@ -2245,6 +2245,12 @@ void zebra_evpn_neigh_remote_uninstall(struct zebra_evpn *zevpn,
 			zebra_evpn_neigh_del(zevpn, n);
 			zebra_evpn_deref_ip2mac(zevpn, mac);
 		}
+	} else {
+		if (IS_ZEBRA_DEBUG_VXLAN)
+			zlog_debug(
+				"%s: IP %pIA MAC %pEA (flags 0x%x) found doesn't match MAC %pEA, ignoring Neigh DEL",
+				__func__, ipaddr, &n->emac, n->flags,
+				&mac->macaddr);
 	}
 }