char *esi2str(struct eth_segment_id *id)
{
char *ptr;
- u_char *val;
+ uint8_t *val;
if (!id)
return NULL;
return prefix_mac2str((struct ethaddr *)en, NULL, 0);
}
+/* Fetch router-mac from extended community */
+void bgp_attr_rmac(struct attr *attr, struct ethaddr *rmac)
+{
+ int i = 0;
+ struct ecommunity *ecom;
+
+ ecom = attr->ecommunity;
+ if (!ecom || !ecom->size)
+ return;
+
+ /* If there is a router mac extended community, set RMAC in attr */
+ for (i = 0; i < ecom->size; i++) {
+ uint8_t *pnt = NULL;
+ uint8_t type = 0;
+ uint8_t sub_type = 0;
+
+ pnt = (ecom->val + (i * ECOMMUNITY_SIZE));
+ type = *pnt++;
+ sub_type = *pnt++;
+
+ if (!(type == ECOMMUNITY_ENCODE_EVPN
+ && sub_type == ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC))
+ continue;
+
+ memcpy(rmac, pnt, ETH_ALEN);
+ }
+}
+
+/*
+ * return true if attr contains default gw extended community
+ */
+uint8_t bgp_attr_default_gw(struct attr *attr)
+{
+ struct ecommunity *ecom;
+ int i;
+
+ ecom = attr->ecommunity;
+ if (!ecom || !ecom->size)
+ return 0;
+
+ /* If there is a default gw extendd community return true otherwise
+ * return 0 */
+ for (i = 0; i < ecom->size; i++) {
+ uint8_t *pnt;
+ uint8_t type, sub_type;
+
+ pnt = (ecom->val + (i * ECOMMUNITY_SIZE));
+ type = *pnt++;
+ sub_type = *pnt++;
+
+ if ((type == ECOMMUNITY_ENCODE_OPAQUE
+ && sub_type == ECOMMUNITY_EVPN_SUBTYPE_DEF_GW))
+ return 1;
+ }
+
+ return 0;
+}
+
/*
* Fetch and return the sequence number from MAC Mobility extended
* community, if present, else 0.
*/
-u_int32_t bgp_attr_mac_mobility_seqnum(struct attr *attr, u_char *sticky)
+uint32_t bgp_attr_mac_mobility_seqnum(struct attr *attr, uint8_t *sticky)
{
struct ecommunity *ecom;
int i;
- u_char flags = 0;
+ uint8_t flags = 0;
ecom = attr->ecommunity;
if (!ecom || !ecom->size)
* one.
*/
for (i = 0; i < ecom->size; i++) {
- u_char *pnt;
- u_char type, sub_type;
- u_int32_t seq_num;
+ uint8_t *pnt;
+ uint8_t type, sub_type;
+ uint32_t seq_num;
pnt = (ecom->val + (i * ECOMMUNITY_SIZE));
type = *pnt++;
*sticky = 0;
pnt++;
- seq_num = (*pnt++ << 24);
- seq_num |= (*pnt++ << 16);
- seq_num |= (*pnt++ << 8);
- seq_num |= (*pnt++);
-
+ pnt = ptr_get_be32(pnt, &seq_num);
+ (void)pnt; /* consume value */
return seq_num;
}
return 0;
}
+/*
+ * return true if attr contains router flag extended community
+ */
+void bgp_attr_evpn_na_flag(struct attr *attr, uint8_t *router_flag)
+{
+ struct ecommunity *ecom;
+ int i;
+ uint8_t val;
+
+ ecom = attr->ecommunity;
+ if (!ecom || !ecom->size)
+ return;
+
+ /* If there is a evpn na extendd community set router_flag */
+ for (i = 0; i < ecom->size; i++) {
+ uint8_t *pnt;
+ uint8_t type, sub_type;
+
+ pnt = (ecom->val + (i * ECOMMUNITY_SIZE));
+ type = *pnt++;
+ sub_type = *pnt++;
+
+ if (type == ECOMMUNITY_ENCODE_EVPN &&
+ sub_type == ECOMMUNITY_EVPN_SUBTYPE_ND) {
+ val = *pnt++;
+ if (val & ECOMMUNITY_EVPN_SUBTYPE_ND_ROUTER_FLAG) {
+ *router_flag = 1;
+ break;
+ }
+ }
+ }
+}
+
/* dst prefix must be AF_INET or AF_INET6 prefix, to forge EVPN prefix */
extern int bgp_build_evpn_prefix(int evpn_type, uint32_t eth_tag,
struct prefix *dst)
prefix_copy(src, dst);
memset(dst, 0, sizeof(struct prefix));
p_evpn_p = &(dst->u.prefix_evpn);
- dst->family = AF_ETHERNET;
+ dst->family = AF_EVPN;
p_evpn_p->route_type = evpn_type;
if (evpn_type == BGP_EVPN_IP_PREFIX_ROUTE) {
- p_evpn_p->eth_tag = eth_tag;
- p_evpn_p->ip_prefix_length = p2.prefixlen;
+ p_evpn_p->prefix_addr.eth_tag = eth_tag;
+ p_evpn_p->prefix_addr.ip_prefix_length = p2.prefixlen;
if (src->family == AF_INET) {
- SET_IPADDR_V4(&p_evpn_p->ip);
- memcpy(&p_evpn_p->ip.ipaddr_v4, &src->u.prefix4,
+ SET_IPADDR_V4(&p_evpn_p->prefix_addr.ip);
+ memcpy(&p_evpn_p->prefix_addr.ip.ipaddr_v4,
+ &src->u.prefix4,
sizeof(struct in_addr));
- dst->prefixlen = (u_char)PREFIX_LEN_ROUTE_TYPE_5_IPV4;
+ dst->prefixlen = (uint8_t)PREFIX_LEN_ROUTE_TYPE_5_IPV4;
} else {
- SET_IPADDR_V6(&p_evpn_p->ip);
- memcpy(&p_evpn_p->ip.ipaddr_v6, &src->u.prefix6,
+ SET_IPADDR_V6(&p_evpn_p->prefix_addr.ip);
+ memcpy(&p_evpn_p->prefix_addr.ip.ipaddr_v6,
+ &src->u.prefix6,
sizeof(struct in6_addr));
- dst->prefixlen = (u_char)PREFIX_LEN_ROUTE_TYPE_5_IPV6;
+ dst->prefixlen = (uint8_t)PREFIX_LEN_ROUTE_TYPE_5_IPV6;
}
} else
return -1;