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Diffstat (limited to 'zebra/zebra_vxlan.c')
-rw-r--r--zebra/zebra_vxlan.c260
1 files changed, 149 insertions, 111 deletions
diff --git a/zebra/zebra_vxlan.c b/zebra/zebra_vxlan.c
index 36290f99e0..89b43f6d22 100644
--- a/zebra/zebra_vxlan.c
+++ b/zebra/zebra_vxlan.c
@@ -82,7 +82,7 @@ static int zl3vni_nh_uninstall(struct zebra_l3vni *zl3vni,
struct zebra_neigh *n);
static struct zebra_neigh *svd_nh_add(const struct ipaddr *vtep_ip,
const struct ethaddr *rmac);
-static int svd_nh_del(struct zebra_neigh *n);
+static void svd_nh_del(struct zebra_neigh *n);
static int svd_nh_install(struct zebra_l3vni *zl3vni, struct zebra_neigh *n);
static int svd_nh_uninstall(struct zebra_l3vni *zl3vni, struct zebra_neigh *n);
@@ -194,7 +194,7 @@ static int l3vni_rmac_nh_list_cmp(void *p1, void *p2)
const struct ipaddr *vtep_ip1 = p1;
const struct ipaddr *vtep_ip2 = p2;
- return !ipaddr_cmp(vtep_ip1, vtep_ip2);
+ return ipaddr_cmp(vtep_ip1, vtep_ip2);
}
static void l3vni_rmac_nh_free(struct ipaddr *vtep_ip)
@@ -308,7 +308,7 @@ static void zevpn_print_neigh_hash_all_evpn_detail(struct hash_bucket *bucket,
zevpn = (struct zebra_evpn *)bucket->data;
if (!zevpn) {
if (json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, json);
return;
}
num_neigh = hashcount(zevpn->neigh_table);
@@ -515,7 +515,7 @@ static void zevpn_print_mac_hash_all_evpn_detail(struct hash_bucket *bucket,
zevpn = (struct zebra_evpn *)bucket->data;
if (!zevpn) {
if (json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, json);
return;
}
wctx->zevpn = zevpn;
@@ -769,10 +769,6 @@ static void zl3vni_print(struct zebra_l3vni *zl3vni, void **ctx)
json_evpn_list = json_object_new_array();
json_object_int_add(json, "vni", zl3vni->vni);
json_object_string_add(json, "type", "L3");
-#if CONFDATE > 20240210
-CPP_NOTICE("Drop `vrf` from JSON outputs")
-#endif
- json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni));
json_object_string_add(json, "tenantVrf",
zl3vni_vrf_name(zl3vni));
json_object_string_addf(json, "localVtepIp", "%pI4",
@@ -891,6 +887,7 @@ static int zvni_map_to_svi_ns(struct ns *ns,
if (vl->vid == in_param->vid) {
*p_ifp = tmp_if;
+ route_unlock_node(rn);
return NS_WALK_STOP;
}
}
@@ -1589,17 +1586,24 @@ static struct zebra_neigh *svd_nh_add(const struct ipaddr *ip,
/*
* Del Single VXlan Device neighbor entry.
*/
-static int svd_nh_del(struct zebra_neigh *n)
+static void svd_nh_del(struct zebra_neigh *n)
{
if (n->refcnt > 0)
- return -1;
+ return;
hash_release(svd_nh_table, n);
XFREE(MTYPE_L3NEIGH, n);
+}
- return 0;
+static void svd_nh_del_terminate(void *ptr)
+{
+ struct zebra_neigh *n = ptr;
+
+ n->refcnt = 0;
+ svd_nh_del(n);
}
+
/*
* Common code to install remote nh as neigh into the kernel.
*/
@@ -2005,6 +2009,7 @@ static int zl3vni_map_to_vxlan_if_ns(struct ns *ns,
zl3vni->local_vtep_ip = zif->l2info.vxl.vtep_ip;
*_pifp = (void *)ifp;
+ route_unlock_node(rn);
return NS_WALK_STOP;
}
@@ -2116,6 +2121,7 @@ static int zl3vni_from_svi_ns(struct ns *ns, void *_in_param, void **_p_zl3vni)
zif, in_param->br_if);
if (vni_id) {
found = 1;
+ route_unlock_node(rn);
break;
}
}
@@ -2255,14 +2261,13 @@ static int zl3vni_send_add_to_client(struct zebra_l3vni *zl3vni)
stream_putw_at(s, 0, stream_get_endp(s));
if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Send L3_VNI_ADD %u VRF %s RMAC %pEA VRR %pEA local-ip %pI4 filter %s to %s",
- zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)),
- &svi_rmac, &vrr_rmac, &zl3vni->local_vtep_ip,
- CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)
- ? "prefix-routes-only"
- : "none",
- zebra_route_string(client->proto));
+ zlog_debug("Send L3VNI ADD %u VRF %s RMAC %pEA VRR %pEA local-ip %pI4 filter %s to %s",
+ zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)),
+ &svi_rmac, &vrr_rmac, &zl3vni->local_vtep_ip,
+ CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)
+ ? "prefix-routes-only"
+ : "none",
+ zebra_route_string(client->proto));
client->l3vniadd_cnt++;
return zserv_send_message(client, s);
@@ -2290,7 +2295,7 @@ static int zl3vni_send_del_to_client(struct zebra_l3vni *zl3vni)
stream_putw_at(s, 0, stream_get_endp(s));
if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni,
+ zlog_debug("Send L3VNI DEL %u VRF %s to %s", zl3vni->vni,
vrf_id_to_name(zl3vni_vrf_id(zl3vni)),
zebra_route_string(client->proto));
@@ -2402,6 +2407,7 @@ static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni,
vnip = zebra_vxlan_if_vni_find(zif, vni);
if (vnip) {
found = true;
+ route_unlock_node(rn);
break;
}
}
@@ -2586,14 +2592,15 @@ void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zl3vni = zl3vni_lookup(l3vni);
if (!zl3vni) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni);
return;
@@ -2627,14 +2634,15 @@ void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json)
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zl3vni = zl3vni_lookup(l3vni);
if (!zl3vni) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni);
return;
@@ -2668,7 +2676,8 @@ void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json)
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -2694,7 +2703,8 @@ void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -2705,7 +2715,7 @@ void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
zl3vni = zl3vni_lookup(l3vni);
if (!zl3vni) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json(vty, json);
else
vty_out(vty, "%% L3-VNI %u does not exist\n",
l3vni);
@@ -2717,7 +2727,7 @@ void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
if (!n) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, json);
else
vty_out(vty,
"%% Requested next-hop not present for L3-VNI %u\n",
@@ -2738,13 +2748,16 @@ static void l3vni_print_nh_table(struct hash *nh_table, struct vty *vty,
struct nh_walk_ctx wctx;
json_object *json = NULL;
- num_nh = hashcount(nh_table);
- if (!num_nh)
- return;
-
if (use_json)
json = json_object_new_object();
+ num_nh = hashcount(nh_table);
+ if (!num_nh) {
+ if (use_json)
+ vty_json_empty(vty, json);
+ return;
+ }
+
wctx.vty = vty;
wctx.json = json;
if (!use_json) {
@@ -2766,14 +2779,14 @@ void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json)
if (!is_evpn_enabled()) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
return;
}
zl3vni = zl3vni_lookup(l3vni);
if (!zl3vni) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
else
vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni);
return;
@@ -2786,7 +2799,7 @@ void zebra_vxlan_print_nh_svd(struct vty *vty, bool use_json)
{
if (!is_evpn_enabled()) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
return;
}
@@ -2802,7 +2815,8 @@ void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json)
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -2830,14 +2844,15 @@ void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json)
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zl3vni = zl3vni_lookup(vni);
if (!zl3vni) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
@@ -2901,14 +2916,15 @@ void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
@@ -2955,7 +2971,8 @@ void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -2985,7 +3002,8 @@ void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3016,14 +3034,15 @@ void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
@@ -3060,14 +3079,15 @@ void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
@@ -3109,14 +3129,15 @@ void zebra_vxlan_print_neigh_vni_dad(struct vty *vty,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_json(vty, json);
+ vty_json_empty(vty, json);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
@@ -3173,21 +3194,24 @@ void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
if (!is_evpn_enabled()) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
}
num_macs = num_valid_macs(zevpn);
- if (!num_macs)
+ if (!num_macs) {
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
+ }
if (use_json) {
json = json_object_new_object();
@@ -3225,7 +3249,11 @@ void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
if (use_json) {
json_object_object_add(json, "macs", json_mac);
- vty_json(vty, json);
+ /*
+ * This is an extremely expensive operation at scale
+ * and non-pretty reduces memory footprint significantly.
+ */
+ vty_json_no_pretty(vty, json);
}
}
@@ -3242,7 +3270,8 @@ void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3270,7 +3299,8 @@ void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3299,7 +3329,8 @@ void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3329,7 +3360,8 @@ void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3369,22 +3401,34 @@ void zebra_vxlan_print_macs_vni_dad(struct vty *vty,
json_object *json = NULL;
json_object *json_mac = NULL;
- if (!is_evpn_enabled())
+ if (!is_evpn_enabled()) {
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
+ }
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
- vty_out(vty, "%% VNI %u does not exist\n", vni);
+ if (use_json)
+ vty_json_empty(vty, NULL);
+ else
+ vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
}
num_macs = num_valid_macs(zevpn);
- if (!num_macs)
+ if (!num_macs) {
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
+ }
num_macs = num_dup_detected_macs(zevpn);
- if (!num_macs)
+ if (!num_macs) {
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
+ }
if (use_json) {
json = json_object_new_object();
@@ -3719,21 +3763,25 @@ void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf,
json_object *json_mac = NULL;
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
}
zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
else
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
}
num_macs = num_valid_macs(zevpn);
- if (!num_macs)
+ if (!num_macs) {
+ if (use_json)
+ vty_json_empty(vty, NULL);
return;
+ }
if (use_json) {
json = json_object_new_object();
@@ -3777,7 +3825,8 @@ void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3821,7 +3870,8 @@ void zebra_vxlan_print_evpn(struct vty *vty, bool uj)
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (uj)
+ vty_json(vty, json);
return;
}
@@ -3898,7 +3948,8 @@ void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
json = json_object_new_object();
if (!is_evpn_enabled()) {
- vty_json(vty, json);
+ if (use_json)
+ vty_json_empty(vty, json);
return;
}
@@ -3982,7 +4033,7 @@ void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf,
if (!is_evpn_enabled()) {
if (use_json)
- vty_out(vty, "{}\n");
+ vty_json_empty(vty, NULL);
return;
}
@@ -4010,8 +4061,12 @@ void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf,
void *))zl3vni_print_hash_detail,
&zes);
+ /*
+ * This is an extremely expensive operation at scale
+ * and non-pretty reduces memory footprint significantly.
+ */
if (use_json)
- vty_json(vty, json_array);
+ vty_json_no_pretty(vty, json_array);
}
/*
@@ -5098,7 +5153,21 @@ void zebra_vxlan_macvlan_up(struct interface *ifp)
zif = ifp->info;
assert(zif);
+
+ if (zif->link_nsid)
+ /* the link interface is another namespace */
+ return;
+
link_ifp = zif->link;
+ if (!link_ifp) {
+ if (IS_ZEBRA_DEBUG_VXLAN)
+ zlog_debug(
+ "macvlan parent link is not found. Parent index %d ifp %s",
+ zif->link_ifindex,
+ ifindex2ifname(zif->link_ifindex,
+ ifp->vrf->vrf_id));
+ return;
+ }
link_zif = link_ifp->info;
assert(link_zif);
@@ -5115,9 +5184,8 @@ void zebra_vxlan_macvlan_up(struct interface *ifp)
}
}
-int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
- char *err, int err_str_sz, int filter,
- int add)
+void zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
+ int filter, int add)
{
struct zebra_l3vni *zl3vni = NULL;
struct zebra_vrf *zvrf_evpn = NULL;
@@ -5129,21 +5197,6 @@ int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
add ? "ADD" : "DEL");
if (add) {
- /* check if the vni is already present under zvrf */
- if (zvrf->l3vni) {
- snprintf(err, err_str_sz,
- "VNI is already configured under the vrf");
- return -1;
- }
-
- /* check if this VNI is already present in the system */
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
- snprintf(err, err_str_sz,
- "VNI is already configured as L3-VNI");
- return -1;
- }
-
/* Remove L2VNI if present */
zebra_vxlan_handle_vni_transition(zvrf, vni, add);
@@ -5189,23 +5242,7 @@ int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
} else {
zl3vni = zl3vni_lookup(vni);
- if (!zl3vni) {
- snprintf(err, err_str_sz, "VNI doesn't exist");
- return -1;
- }
-
- if (zvrf->l3vni != vni) {
- snprintf(err, err_str_sz,
- "VNI %d doesn't exist in VRF: %s",
- vni, zvrf->vrf->name);
- return -1;
- }
-
- if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) {
- snprintf(err, ERR_STR_SZ,
- "prefix-routes-only is not set for the vni");
- return -1;
- }
+ assert(zl3vni);
zebra_vxlan_process_l3vni_oper_down(zl3vni);
@@ -5223,7 +5260,6 @@ int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
/* Add L2VNI for this VNI */
zebra_vxlan_handle_vni_transition(zvrf, vni, add);
}
- return 0;
}
int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf)
@@ -5274,7 +5310,9 @@ int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf)
vni = zl3vni->vni;
zl3vni_del(zl3vni);
- zebra_vxlan_handle_vni_transition(zvrf, vni, 0);
+
+ if (!zrouter.in_shutdown)
+ zebra_vxlan_handle_vni_transition(zvrf, vni, 0);
return 0;
}
@@ -5758,6 +5796,11 @@ void zebra_vxlan_init(void)
zebra_evpn_mh_init();
}
+void zebra_vxlan_terminate(void)
+{
+ hash_clean_and_free(&svd_nh_table, svd_nh_del_terminate);
+}
+
/* free l3vni table */
void zebra_vxlan_disable(void)
{
@@ -5935,8 +5978,6 @@ static void zebra_vxlan_sg_del(struct zebra_vxlan_sg *vxlan_sg)
struct zebra_vrf *zvrf;
zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
- return;
/* On SG entry deletion remove the reference to its parent XG
* entry
@@ -6006,8 +6047,6 @@ void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip,
return;
zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
- return;
zebra_vxlan_sg_do_deref(zvrf, local_vtep_ip, mcast_grp);
}
@@ -6021,8 +6060,7 @@ void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip, struct in_addr mcast_grp)
return;
zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
- return;
+
zebra_vxlan_sg_do_ref(zvrf, local_vtep_ip, mcast_grp);
}