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path: root/bgpd/bgp_evpn.c
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Diffstat (limited to 'bgpd/bgp_evpn.c')
-rw-r--r--bgpd/bgp_evpn.c174
1 files changed, 89 insertions, 85 deletions
diff --git a/bgpd/bgp_evpn.c b/bgpd/bgp_evpn.c
index 49808e7cdd..ad45da84eb 100644
--- a/bgpd/bgp_evpn.c
+++ b/bgpd/bgp_evpn.c
@@ -510,15 +510,15 @@ static int bgp_zebra_send_remote_macip(struct bgp *bgp, struct bgpevpn *vpn,
s, add ? ZEBRA_REMOTE_MACIP_ADD : ZEBRA_REMOTE_MACIP_DEL,
bgp->vrf_id);
stream_putl(s, vpn->vni);
- stream_put(s, &p->prefix.mac.octet, ETH_ALEN); /* Mac Addr */
+ stream_put(s, &p->prefix.macip_addr.mac.octet, ETH_ALEN); /* Mac Addr */
/* IP address length and IP address, if any. */
- if (IS_EVPN_PREFIX_IPADDR_NONE(p))
+ if (is_evpn_prefix_ipaddr_none(p))
stream_putl(s, 0);
else {
- ipa_len = IS_EVPN_PREFIX_IPADDR_V4(p) ? IPV4_MAX_BYTELEN
+ ipa_len = is_evpn_prefix_ipaddr_v4(p) ? IPV4_MAX_BYTELEN
: IPV6_MAX_BYTELEN;
stream_putl(s, ipa_len);
- stream_put(s, &p->prefix.ip.ip.addr, ipa_len);
+ stream_put(s, &p->prefix.macip_addr.ip.ip.addr, ipa_len);
}
stream_put_in_addr(s, &remote_vtep_ip);
@@ -532,8 +532,10 @@ static int bgp_zebra_send_remote_macip(struct bgp *bgp, struct bgpevpn *vpn,
zlog_debug(
"Tx %s MACIP, VNI %u MAC %s IP %s (flags: 0x%x) remote VTEP %s",
add ? "ADD" : "DEL", vpn->vni,
- prefix_mac2str(&p->prefix.mac, buf1, sizeof(buf1)),
- ipaddr2str(&p->prefix.ip, buf3, sizeof(buf3)), flags,
+ prefix_mac2str(&p->prefix.macip_addr.mac,
+ buf1, sizeof(buf1)),
+ ipaddr2str(&p->prefix.macip_addr.ip,
+ buf3, sizeof(buf3)), flags,
inet_ntop(AF_INET, &remote_vtep_ip, buf2,
sizeof(buf2)));
@@ -563,9 +565,9 @@ static int bgp_zebra_send_remote_vtep(struct bgp *bgp, struct bgpevpn *vpn,
s, add ? ZEBRA_REMOTE_VTEP_ADD : ZEBRA_REMOTE_VTEP_DEL,
bgp->vrf_id);
stream_putl(s, vpn->vni);
- if (IS_EVPN_PREFIX_IPADDR_V4(p))
- stream_put_in_addr(s, &p->prefix.ip.ipaddr_v4);
- else if (IS_EVPN_PREFIX_IPADDR_V6(p)) {
+ if (is_evpn_prefix_ipaddr_v4(p))
+ stream_put_in_addr(s, &p->prefix.imet_addr.ip.ipaddr_v4);
+ else if (is_evpn_prefix_ipaddr_v6(p)) {
zlog_err(
"Bad remote IP when trying to %s remote VTEP for VNI %u",
add ? "ADD" : "DEL", vpn->vni);
@@ -577,7 +579,7 @@ static int bgp_zebra_send_remote_vtep(struct bgp *bgp, struct bgpevpn *vpn,
if (bgp_debug_zebra(NULL))
zlog_debug("Tx %s Remote VTEP, VNI %u remote VTEP %s",
add ? "ADD" : "DEL", vpn->vni,
- inet_ntoa(p->prefix.ip.ipaddr_v4));
+ inet_ntoa(p->prefix.imet_addr.ip.ipaddr_v4));
return zclient_send_message(zclient);
}
@@ -1293,8 +1295,8 @@ static int update_evpn_route(struct bgp *bgp, struct bgpevpn *vpn,
* these routes.
*/
if (p->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE &&
- (IS_EVPN_PREFIX_IPADDR_V4(p) ||
- !IN6_IS_ADDR_LINKLOCAL(&p->prefix.ip.ipaddr_v6)) &&
+ (is_evpn_prefix_ipaddr_v4(p) ||
+ !IN6_IS_ADDR_LINKLOCAL(&p->prefix.macip_addr.ip.ipaddr_v6)) &&
CHECK_FLAG(vpn->flags, VNI_FLAG_USE_TWO_LABELS))
add_l3_ecomm = 1;
@@ -1539,8 +1541,8 @@ static int update_all_type2_routes(struct bgp *bgp, struct bgpevpn *vpn)
if (evp->prefix.route_type != BGP_EVPN_MAC_IP_ROUTE)
continue;
- if (IS_EVPN_PREFIX_IPADDR_V6(evp) &&
- IN6_IS_ADDR_LINKLOCAL(&evp->prefix.ip.ipaddr_v6))
+ if (is_evpn_prefix_ipaddr_v6(evp) &&
+ IN6_IS_ADDR_LINKLOCAL(&evp->prefix.macip_addr.ip.ipaddr_v6))
update_evpn_route_entry(bgp, vpn, afi, safi, rn,
&attr_ip6_ll, 0, 1, &ri, 0);
else {
@@ -1792,10 +1794,7 @@ static int install_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
char buf1[PREFIX_STRLEN];
memset(pp, 0, sizeof(struct prefix));
- if (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
- ip_prefix_from_type2_prefix(evp, pp);
- else if (evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE)
- ip_prefix_from_type5_prefix(evp, pp);
+ ip_prefix_from_evpn_prefix(evp, pp);
if (bgp_debug_zebra(NULL)) {
zlog_debug(
@@ -1807,11 +1806,11 @@ static int install_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
/* Create (or fetch) route within the VRF. */
/* NOTE: There is no RD here. */
- if (IS_EVPN_PREFIX_IPADDR_V4(evp)) {
+ if (is_evpn_prefix_ipaddr_v4(evp)) {
afi = AFI_IP;
safi = SAFI_UNICAST;
rn = bgp_node_get(bgp_vrf->rib[afi][safi], pp);
- } else if (IS_EVPN_PREFIX_IPADDR_V6(evp)) {
+ } else if (is_evpn_prefix_ipaddr_v6(evp)) {
afi = AFI_IP6;
safi = SAFI_UNICAST;
rn = bgp_node_get(bgp_vrf->rib[afi][safi], pp);
@@ -1970,10 +1969,7 @@ static int uninstall_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
char buf1[PREFIX_STRLEN];
memset(pp, 0, sizeof(struct prefix));
- if (evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
- ip_prefix_from_type2_prefix(evp, pp);
- else if (evp->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE)
- ip_prefix_from_type5_prefix(evp, pp);
+ ip_prefix_from_evpn_prefix(evp, pp);
if (bgp_debug_zebra(NULL)) {
zlog_debug(
@@ -1985,7 +1981,7 @@ static int uninstall_evpn_route_entry_in_vrf(struct bgp *bgp_vrf,
/* Locate route within the VRF. */
/* NOTE: There is no RD here. */
- if (IS_EVPN_PREFIX_IPADDR_V4(evp)) {
+ if (is_evpn_prefix_ipaddr_v4(evp)) {
afi = AFI_IP;
safi = SAFI_UNICAST;
rn = bgp_node_lookup(bgp_vrf->rib[afi][safi], pp);
@@ -2232,8 +2228,8 @@ static int install_uninstall_routes_for_vrf(struct bgp *bgp_vrf, int install)
continue;
/* if not a mac+ip route skip this route */
- if (!(IS_EVPN_PREFIX_IPADDR_V4(evp)
- || IS_EVPN_PREFIX_IPADDR_V6(evp)))
+ if (!(is_evpn_prefix_ipaddr_v4(evp)
+ || is_evpn_prefix_ipaddr_v6(evp)))
continue;
for (ri = rn->info; ri; ri = ri->next) {
@@ -2423,8 +2419,8 @@ static int install_uninstall_route_in_vrfs(struct bgp *bgp_def, afi_t afi,
/* if it is type-2 route and not a mac+ip route skip this route */
if ((evp->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE)
- && !(IS_EVPN_PREFIX_IPADDR_V4(evp)
- || IS_EVPN_PREFIX_IPADDR_V6(evp)))
+ && !(is_evpn_prefix_ipaddr_v4(evp)
+ || is_evpn_prefix_ipaddr_v6(evp)))
return 0;
for (ALL_LIST_ELEMENTS(vrfs, node, nnode, bgp_vrf)) {
@@ -2850,7 +2846,7 @@ static int process_type2_route(struct peer *peer, afi_t afi, safi_t safi,
/* Copy Ethernet Tag */
memcpy(&eth_tag, pfx, 4);
- p.prefix.eth_tag = ntohl(eth_tag);
+ p.prefix.macip_addr.eth_tag = ntohl(eth_tag);
pfx += 4;
/* Get the MAC Addr len */
@@ -2858,7 +2854,7 @@ static int process_type2_route(struct peer *peer, afi_t afi, safi_t safi,
/* Get the MAC Addr */
if (macaddr_len == (ETH_ALEN * 8)) {
- memcpy(&p.prefix.mac.octet, pfx, ETH_ALEN);
+ memcpy(&p.prefix.macip_addr.mac.octet, pfx, ETH_ALEN);
pfx += ETH_ALEN;
} else {
zlog_err(
@@ -2880,10 +2876,10 @@ static int process_type2_route(struct peer *peer, afi_t afi, safi_t safi,
if (ipaddr_len) {
ipaddr_len /= 8; /* Convert to bytes. */
- p.prefix.ip.ipa_type = (ipaddr_len == IPV4_MAX_BYTELEN)
+ p.prefix.macip_addr.ip.ipa_type = (ipaddr_len == IPV4_MAX_BYTELEN)
? IPADDR_V4
: IPADDR_V6;
- memcpy(&p.prefix.ip.ip.addr, pfx, ipaddr_len);
+ memcpy(&p.prefix.macip_addr.ip.ip.addr, pfx, ipaddr_len);
}
pfx += ipaddr_len;
@@ -2965,14 +2961,14 @@ static int process_type3_route(struct peer *peer, afi_t afi, safi_t safi,
/* Copy Ethernet Tag */
memcpy(&eth_tag, pfx, 4);
- p.prefix.eth_tag = ntohl(eth_tag);
+ p.prefix.imet_addr.eth_tag = ntohl(eth_tag);
pfx += 4;
/* Get the IP. */
ipaddr_len = *pfx++;
if (ipaddr_len == IPV4_MAX_BITLEN) {
- p.prefix.ip.ipa_type = IPADDR_V4;
- memcpy(&p.prefix.ip.ip.addr, pfx, IPV4_MAX_BYTELEN);
+ p.prefix.imet_addr.ip.ipa_type = IPADDR_V4;
+ memcpy(&p.prefix.imet_addr.ip.ip.addr, pfx, IPV4_MAX_BYTELEN);
} else {
zlog_err(
"%u:%s - Rx EVPN Type-3 NLRI with unsupported IP address length %d",
@@ -3039,7 +3035,7 @@ static int process_type5_route(struct peer *peer, afi_t afi, safi_t safi,
/* Fetch Ethernet Tag. */
memcpy(&eth_tag, pfx, 4);
- p.prefix.eth_tag = ntohl(eth_tag);
+ p.prefix.prefix_addr.eth_tag = ntohl(eth_tag);
pfx += 4;
/* Fetch IP prefix length. */
@@ -3050,21 +3046,21 @@ static int process_type5_route(struct peer *peer, afi_t afi, safi_t safi,
peer->bgp->vrf_id, peer->host, ippfx_len);
return -1;
}
- p.prefix.ip_prefix_length = ippfx_len;
+ p.prefix.prefix_addr.ip_prefix_length = ippfx_len;
/* Determine IPv4 or IPv6 prefix */
/* Since the address and GW are from the same family, this just becomes
* a simple check on the total size.
*/
if (psize == 34) {
- SET_IPADDR_V4(&p.prefix.ip);
- memcpy(&p.prefix.ip.ipaddr_v4, pfx, 4);
+ SET_IPADDR_V4(&p.prefix.prefix_addr.ip);
+ memcpy(&p.prefix.prefix_addr.ip.ipaddr_v4, pfx, 4);
pfx += 4;
memcpy(&evpn.gw_ip.ipv4, pfx, 4);
pfx += 4;
} else {
- SET_IPADDR_V6(&p.prefix.ip);
- memcpy(&p.prefix.ip.ipaddr_v6, pfx, 16);
+ SET_IPADDR_V6(&p.prefix.prefix_addr.ip);
+ memcpy(&p.prefix.prefix_addr.ip.ipaddr_v6, pfx, 16);
pfx += 16;
memcpy(&evpn.gw_ip.ipv6, pfx, 16);
pfx += 16;
@@ -3109,7 +3105,7 @@ static void evpn_mpattr_encode_type5(struct stream *s, struct prefix *p,
/* len denites the total len of IP and GW-IP in the route
IP and GW-IP have to be both ipv4 or ipv6
*/
- if (IS_IPADDR_V4(&p_evpn_p->ip))
+ if (IS_IPADDR_V4(&p_evpn_p->prefix_addr.ip))
len = 8; /* IP and GWIP are both ipv4 */
else
len = 32; /* IP and GWIP are both ipv6 */
@@ -3120,20 +3116,20 @@ static void evpn_mpattr_encode_type5(struct stream *s, struct prefix *p,
stream_put(s, &(attr->evpn_overlay.eth_s_id), 10);
else
stream_put(s, &temp, 10);
- stream_putl(s, p_evpn_p->eth_tag);
- stream_putc(s, p_evpn_p->ip_prefix_length);
- if (IS_IPADDR_V4(&p_evpn_p->ip))
- stream_put_ipv4(s, p_evpn_p->ip.ipaddr_v4.s_addr);
+ stream_putl(s, p_evpn_p->prefix_addr.eth_tag);
+ stream_putc(s, p_evpn_p->prefix_addr.ip_prefix_length);
+ if (IS_IPADDR_V4(&p_evpn_p->prefix_addr.ip))
+ stream_put_ipv4(s, p_evpn_p->prefix_addr.ip.ipaddr_v4.s_addr);
else
- stream_put(s, &p_evpn_p->ip.ipaddr_v6, 16);
+ stream_put(s, &p_evpn_p->prefix_addr.ip.ipaddr_v6, 16);
if (attr) {
- if (IS_IPADDR_V4(&p_evpn_p->ip))
+ if (IS_IPADDR_V4(&p_evpn_p->prefix_addr.ip))
stream_put_ipv4(s,
attr->evpn_overlay.gw_ip.ipv4.s_addr);
else
stream_put(s, &(attr->evpn_overlay.gw_ip.ipv6), 16);
} else {
- if (IS_IPADDR_V4(&p_evpn_p->ip))
+ if (IS_IPADDR_V4(&p_evpn_p->prefix_addr.ip))
stream_put_ipv4(s, 0);
else
stream_put(s, &temp, 16);
@@ -3583,44 +3579,49 @@ void bgp_evpn_route2json(struct prefix_evpn *p, json_object *json)
if (p->prefix.route_type == BGP_EVPN_IMET_ROUTE) {
json_object_int_add(json, "routeType", p->prefix.route_type);
- json_object_int_add(json, "ethTag", p->prefix.eth_tag);
+ json_object_int_add(json, "ethTag",
+ p->prefix.imet_addr.eth_tag);
json_object_int_add(json, "ipLen",
- IS_EVPN_PREFIX_IPADDR_V4(p)
+ is_evpn_prefix_ipaddr_v4(p)
? IPV4_MAX_BITLEN
: IPV6_MAX_BITLEN);
json_object_string_add(json, "ip",
- inet_ntoa(p->prefix.ip.ipaddr_v4));
+ inet_ntoa(p->prefix.imet_addr.ip.ipaddr_v4));
} else if (p->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE) {
- if (IS_EVPN_PREFIX_IPADDR_NONE(p)) {
+ if (is_evpn_prefix_ipaddr_none(p)) {
json_object_int_add(json, "routeType",
p->prefix.route_type);
- json_object_int_add(json, "ethTag", p->prefix.eth_tag);
+ json_object_int_add(json, "ethTag",
+ p->prefix.macip_addr.eth_tag);
json_object_int_add(json, "macLen", 8 * ETH_ALEN);
json_object_string_add(json, "mac",
- prefix_mac2str(&p->prefix.mac,
+ prefix_mac2str(&p->prefix.macip_addr.mac,
buf1,
sizeof(buf1)));
} else {
uint8_t family;
- family = IS_EVPN_PREFIX_IPADDR_V4(p) ? AF_INET
+ family = is_evpn_prefix_ipaddr_v4(p) ? AF_INET
: AF_INET6;
json_object_int_add(json, "routeType",
p->prefix.route_type);
- json_object_int_add(json, "ethTag", p->prefix.eth_tag);
+ json_object_int_add(json, "ethTag",
+ p->prefix.macip_addr.eth_tag);
json_object_int_add(json, "macLen", 8 * ETH_ALEN);
json_object_string_add(json, "mac",
- prefix_mac2str(&p->prefix.mac,
+ prefix_mac2str(&p->prefix.macip_addr.mac,
buf1,
sizeof(buf1)));
json_object_int_add(json, "ipLen",
- IS_EVPN_PREFIX_IPADDR_V4(p)
+ is_evpn_prefix_ipaddr_v4(p)
? IPV4_MAX_BITLEN
: IPV6_MAX_BITLEN);
json_object_string_add(
json, "ip",
- inet_ntop(family, &p->prefix.ip.ip.addr, buf2,
+ inet_ntop(family,
+ &p->prefix.macip_addr.ip.ip.addr,
+ buf2,
PREFIX2STR_BUFFER));
}
} else {
@@ -3639,42 +3640,44 @@ char *bgp_evpn_route2str(struct prefix_evpn *p, char *buf, int len)
if (p->prefix.route_type == BGP_EVPN_IMET_ROUTE) {
snprintf(buf, len, "[%d]:[%d]:[%d]:[%s]", p->prefix.route_type,
- p->prefix.eth_tag,
- IS_EVPN_PREFIX_IPADDR_V4(p) ? IPV4_MAX_BITLEN
+ p->prefix.imet_addr.eth_tag,
+ is_evpn_prefix_ipaddr_v4(p) ? IPV4_MAX_BITLEN
: IPV6_MAX_BITLEN,
- inet_ntoa(p->prefix.ip.ipaddr_v4));
+ inet_ntoa(p->prefix.imet_addr.ip.ipaddr_v4));
} else if (p->prefix.route_type == BGP_EVPN_MAC_IP_ROUTE) {
- if (IS_EVPN_PREFIX_IPADDR_NONE(p))
+ if (is_evpn_prefix_ipaddr_none(p))
snprintf(buf, len, "[%d]:[%d]:[%d]:[%s]",
p->prefix.route_type,
- p->prefix.eth_tag,
+ p->prefix.macip_addr.eth_tag,
8 * ETH_ALEN,
- prefix_mac2str(&p->prefix.mac, buf1,
+ prefix_mac2str(&p->prefix.macip_addr.mac, buf1,
sizeof(buf1)));
else {
uint8_t family;
- family = IS_EVPN_PREFIX_IPADDR_V4(p) ? AF_INET
+ family = is_evpn_prefix_ipaddr_v4(p) ? AF_INET
: AF_INET6;
snprintf(buf, len, "[%d]:[%d]:[%d]:[%s]:[%d]:[%s]",
p->prefix.route_type,
- p->prefix.eth_tag,
+ p->prefix.macip_addr.eth_tag,
8 * ETH_ALEN,
- prefix_mac2str(&p->prefix.mac, buf1,
+ prefix_mac2str(&p->prefix.macip_addr.mac, buf1,
sizeof(buf1)),
family == AF_INET ? IPV4_MAX_BITLEN
: IPV6_MAX_BITLEN,
- inet_ntop(family, &p->prefix.ip.ip.addr, buf2,
+ inet_ntop(family,
+ &p->prefix.macip_addr.ip.ip.addr,
+ buf2,
PREFIX2STR_BUFFER));
}
} else if (p->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE) {
snprintf(buf, len, "[%d]:[%d]:[%d]:[%s]",
p->prefix.route_type,
- p->prefix.eth_tag,
- p->prefix.ip_prefix_length,
- IS_EVPN_PREFIX_IPADDR_V4(p)
- ? inet_ntoa(p->prefix.ip.ipaddr_v4)
- : inet6_ntoa(p->prefix.ip.ipaddr_v6));
+ p->prefix.prefix_addr.eth_tag,
+ p->prefix.prefix_addr.ip_prefix_length,
+ is_evpn_prefix_ipaddr_v4(p)
+ ? inet_ntoa(p->prefix.prefix_addr.ip.ipaddr_v4)
+ : inet6_ntoa(p->prefix.prefix_addr.ip.ipaddr_v6));
} else {
/* For EVPN route types not supported yet. */
snprintf(buf, len, "(unsupported route type %d)",
@@ -3703,9 +3706,9 @@ void bgp_evpn_encode_prefix(struct stream *s, struct prefix *p,
switch (evp->prefix.route_type) {
case BGP_EVPN_MAC_IP_ROUTE:
- if (IS_EVPN_PREFIX_IPADDR_V4(evp))
+ if (is_evpn_prefix_ipaddr_v4(evp))
ipa_len = IPV4_MAX_BYTELEN;
- else if (IS_EVPN_PREFIX_IPADDR_V6(evp))
+ else if (is_evpn_prefix_ipaddr_v6(evp))
ipa_len = IPV6_MAX_BYTELEN;
/* RD, ESI, EthTag, MAC+len, IP len, [IP], 1 VNI */
len = 8 + 10 + 4 + 1 + 6 + 1 + ipa_len + 3;
@@ -3717,12 +3720,13 @@ void bgp_evpn_encode_prefix(struct stream *s, struct prefix *p,
stream_put(s, &attr->evpn_overlay.eth_s_id, ESI_LEN);
else
stream_put(s, 0, 10);
- stream_putl(s, evp->prefix.eth_tag); /* Ethernet Tag ID */
+ stream_putl(s, evp->prefix.macip_addr.eth_tag); /* Ethernet Tag ID */
stream_putc(s, 8 * ETH_ALEN); /* Mac Addr Len - bits */
- stream_put(s, evp->prefix.mac.octet, 6); /* Mac Addr */
- stream_putc(s, 8 * ipa_len); /* IP address Length */
- if (ipa_len) /* IP */
- stream_put(s, &evp->prefix.ip.ip.addr, ipa_len);
+ stream_put(s, evp->prefix.macip_addr.mac.octet, 6); /* Mac Addr */
+ stream_putc(s, 8 * ipa_len); /* IP address Length */
+ if (ipa_len) /* IP */
+ stream_put(s, &evp->prefix.macip_addr.ip.ip.addr,
+ ipa_len);
/* 1st label is the L2 VNI */
stream_put(s, label, BGP_LABEL_BYTES);
/* Include 2nd label (L3 VNI) if advertising MAC+IP */
@@ -3733,10 +3737,10 @@ void bgp_evpn_encode_prefix(struct stream *s, struct prefix *p,
case BGP_EVPN_IMET_ROUTE:
stream_putc(s, 17); // TODO: length - assumes IPv4 address
stream_put(s, prd->val, 8); /* RD */
- stream_putl(s, evp->prefix.eth_tag); /* Ethernet Tag ID */
+ stream_putl(s, evp->prefix.imet_addr.eth_tag); /* Ethernet Tag ID */
stream_putc(s, IPV4_MAX_BITLEN); /* IP address Length - bits */
/* Originating Router's IP Addr */
- stream_put_in_addr(s, &evp->prefix.ip.ipaddr_v4);
+ stream_put_in_addr(s, &evp->prefix.imet_addr.ip.ipaddr_v4);
break;
case BGP_EVPN_IP_PREFIX_ROUTE: