return zclient_send_message(zclient);
}
+/*
+ * Build extended communities for EVPN prefix route.
+ */
+static void build_evpn_type5_route_extcomm(struct bgp *bgp_vrf,
+ struct attr *attr)
+{
+ struct ecommunity ecom_encap;
+ struct ecommunity ecom_rmac;
+ struct ecommunity_val eval;
+ struct ecommunity_val eval_rmac;
+ bgp_encap_types tnl_type;
+ struct listnode *node, *nnode;
+ struct ecommunity *ecom;
+ struct list *vrf_export_rtl = NULL;
+
+ /* Encap */
+ tnl_type = BGP_ENCAP_TYPE_VXLAN;
+ memset(&ecom_encap, 0, sizeof(ecom_encap));
+ encode_encap_extcomm(tnl_type, &eval);
+ ecom_encap.size = 1;
+ ecom_encap.val = (u_int8_t *)eval.val;
+
+ /* Add Encap */
+ attr->ecommunity = ecommunity_dup(&ecom_encap);
+
+ /* Add the export RTs for L3VNI/VRF */
+ vrf_export_rtl = bgp_vrf->vrf_export_rtl;
+ if (vrf_export_rtl && !list_isempty(vrf_export_rtl)) {
+ for (ALL_LIST_ELEMENTS(vrf_export_rtl, node, nnode, ecom))
+ attr->ecommunity = ecommunity_merge(attr->ecommunity,
+ ecom);
+ }
+
+ /* add the router mac extended community */
+ if (!is_zero_mac(&attr->rmac)) {
+ memset(&ecom_rmac, 0, sizeof(ecom_rmac));
+ encode_rmac_extcomm(&eval_rmac, &attr->rmac);
+ ecom_rmac.size = 1;
+ ecom_rmac.val = (uint8_t *)eval_rmac.val;
+ attr->ecommunity = ecommunity_merge(attr->ecommunity,
+ &ecom_rmac);
+ }
+
+ attr->flag |= ATTR_FLAG_BIT(BGP_ATTR_EXT_COMMUNITIES);
+}
+
/*
* Build extended communities for EVPN route. RT and ENCAP are
* applicable to all routes.
return local_ri->attr->sticky;
}
+static int update_evpn_type5_route_entry(struct bgp *bgp_def,
+ struct bgp *bgp_vrf, afi_t afi,
+ safi_t safi, struct bgp_node *rn,
+ struct attr *attr)
+{
+ struct attr *attr_new = NULL;
+ struct bgp_info *ri = NULL;
+ mpls_label_t label = MPLS_INVALID_LABEL;
+ struct bgp_info *local_ri = NULL;
+ struct bgp_info *tmp_ri = NULL;
+
+
+ /* locate the local route entry if any */
+ for (tmp_ri = rn->info; tmp_ri; tmp_ri = tmp_ri->next) {
+ if (tmp_ri->peer == bgp_def->peer_self
+ && tmp_ri->type == ZEBRA_ROUTE_BGP
+ && tmp_ri->sub_type == BGP_ROUTE_STATIC)
+ local_ri = tmp_ri;
+ }
+
+ /* create a new route entry if one doesnt exist.
+ Otherwise see if route attr has changed */
+ if (!local_ri) {
+
+ /* Add (or update) attribute to hash. */
+ attr_new = bgp_attr_intern(attr);
+
+ /* create the route info from attribute */
+ ri = info_make(ZEBRA_ROUTE_BGP, BGP_ROUTE_STATIC, 0,
+ bgp_def->peer_self, attr_new, rn);
+ SET_FLAG(ri->flags, BGP_INFO_VALID);
+
+ /* L3-VNI goes in the label2 field */
+ bgp_info_extra_get(ri);
+ vni2label(bgp_vrf->l3vni, &label);
+ memcpy(&ri->extra->label2, &label, BGP_LABEL_BYTES);
+
+ /* add the route entry to route node*/
+ bgp_info_add(rn, ri);
+ } else {
+
+ tmp_ri = local_ri;
+ if (!attrhash_cmp(tmp_ri->attr, attr)) {
+ /* The attribute has changed. */
+ /* Add (or update) attribute to hash. */
+ attr_new = bgp_attr_intern(attr);
+ bgp_info_set_flag(rn, tmp_ri, BGP_INFO_ATTR_CHANGED);
+
+ /* Restore route, if needed. */
+ if (CHECK_FLAG(tmp_ri->flags, BGP_INFO_REMOVED))
+ bgp_info_restore(rn, tmp_ri);
+
+ /* Unintern existing, set to new. */
+ bgp_attr_unintern(&tmp_ri->attr);
+ tmp_ri->attr = attr_new;
+ tmp_ri->uptime = bgp_clock();
+ }
+ }
+ return 0;
+}
+
+/* update evpn type-5 route entry */
+static int update_evpn_type5_route(struct bgp *bgp_vrf,
+ struct prefix_evpn *evp)
+{
+ afi_t afi = AFI_L2VPN;
+ safi_t safi = SAFI_EVPN;
+ struct attr attr;
+ struct bgp_node *rn = NULL;
+ struct bgp *bgp_def = NULL;
+
+ bgp_def = bgp_get_default();
+ if (!bgp_def)
+ return -1;
+
+ /* build path attribute for this route */
+ memset(&attr, 0, sizeof(struct attr));
+ bgp_attr_default_set(&attr, BGP_ORIGIN_IGP);
+ attr.nexthop = bgp_vrf->originator_ip;
+ attr.mp_nexthop_global_in = bgp_vrf->originator_ip;
+ attr.mp_nexthop_len = BGP_ATTR_NHLEN_IPV4;
+ memcpy(&attr.rmac, &bgp_vrf->rmac, sizeof(struct ethaddr));
+
+ /* Setup RT and encap extended community */
+ build_evpn_type5_route_extcomm(bgp_vrf, &attr);
+
+ /* get the route node in global table */
+ rn = bgp_afi_node_get(bgp_def->rib[afi][safi], afi, safi,
+ (struct prefix *)evp,
+ &bgp_vrf->vrf_prd);
+ assert(rn);
+
+ /* create or update the route entry within the route node */
+ update_evpn_type5_route_entry(bgp_def, bgp_vrf,
+ afi, safi,
+ rn, &attr);
+
+ /* schedule for processing and unlock node */
+ bgp_process(bgp_def, rn, afi, safi);
+ bgp_unlock_node(rn);
+
+ /* uninten temporary */
+ aspath_unintern(&attr.aspath);
+ return 0;
+}
+
/*
* Create or update EVPN route entry. This could be in the VNI route table
* or the global route table.
return 0;
}
+/* Delete EVPN type5 route entry from global table */
+static void delete_evpn_type5_route_entry(struct bgp *bgp_def,
+ struct bgp *bgp_vrf,
+ afi_t afi, safi_t safi,
+ struct bgp_node *rn,
+ struct bgp_info **ri)
+{
+ struct bgp_info *tmp_ri = NULL;
+
+ *ri = NULL;
+
+ /* find the matching route entry */
+ for (tmp_ri = rn->info; tmp_ri; tmp_ri = tmp_ri->next)
+ if (tmp_ri->peer == bgp_def->peer_self
+ && tmp_ri->type == ZEBRA_ROUTE_BGP
+ && tmp_ri->sub_type == BGP_ROUTE_STATIC)
+ break;
+
+ *ri = tmp_ri;
+
+ /* Mark route for delete. */
+ if (tmp_ri)
+ bgp_info_delete(rn, tmp_ri);
+}
+
+/* Delete EVPN type5 route */
+static int delete_evpn_type5_route(struct bgp *bgp_vrf,
+ struct prefix_evpn *evp)
+{
+ afi_t afi = AFI_L2VPN;
+ safi_t safi = SAFI_EVPN;
+ struct bgp_node *rn = NULL;
+ struct bgp_info *ri = NULL;
+ struct bgp *bgp_def = NULL; /* default bgp instance */
+
+ bgp_def = bgp_get_default();
+ if (!bgp_def)
+ return -1;
+
+ /* locate the global route entry for this type-5 prefix */
+ rn = bgp_afi_node_lookup(bgp_def->rib[afi][safi], afi, safi,
+ (struct prefix *)evp, &bgp_vrf->vrf_prd);
+ if (!rn)
+ return 0;
+
+ delete_evpn_type5_route_entry(bgp_def, bgp_vrf, afi, safi, rn, &ri);
+ if (ri)
+ bgp_process(bgp_def, rn, afi, safi);
+ bgp_unlock_node(rn);
+ return 0;
+}
+
/*
* Delete EVPN route entry. This could be in the VNI route table
* or the global route table.
* Public functions.
*/
+/* withdraw all type-5 routes for an address family */
+void bgp_evpn_withdraw_type5_routes(struct bgp *bgp_vrf,
+ afi_t afi)
+{
+ struct bgp_table *table = NULL;
+ struct bgp_node *rn = NULL;
+
+ table = bgp_vrf->rib[afi][SAFI_UNICAST];
+ for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
+
+ int ret = 0;
+ struct prefix_evpn evp;
+ char buf[PREFIX_STRLEN];
+
+ build_type5_prefix_from_ip_prefix(&evp, &rn->p);
+ ret = delete_evpn_type5_route(bgp_vrf, &evp);
+ if (ret) {
+ zlog_err(
+ "%u failed to delete type-5 route for prefix %s in vrf %s",
+ bgp_vrf->vrf_id,
+ prefix2str(&rn->p, buf, sizeof(buf)),
+ vrf_id_to_name(bgp_vrf->vrf_id));
+ }
+ }
+}
+
+/* advertise all type-5 routes for an address family */
+void bgp_evpn_advertise_type5_routes(struct bgp *bgp_vrf,
+ afi_t afi)
+{
+ struct bgp_table *table = NULL;
+ struct bgp_node *rn = NULL;
+
+ table = bgp_vrf->rib[afi][SAFI_UNICAST];
+ for (rn = bgp_table_top(table); rn; rn = bgp_route_next(rn)) {
+
+ int ret = 0;
+ struct prefix_evpn evp;
+ char buf[PREFIX_STRLEN];
+
+ build_type5_prefix_from_ip_prefix(&evp, &rn->p);
+ ret = update_evpn_type5_route(bgp_vrf, &evp);
+ if (ret) {
+ zlog_err(
+ "%u failed to create type-5 route for prefix %s in vrf %s",
+ bgp_vrf->vrf_id,
+ prefix2str(&rn->p, buf, sizeof(buf)),
+ vrf_id_to_name(bgp_vrf->vrf_id));
+ }
+ }
+}
+
void evpn_rt_delete_auto(struct bgp *bgp, vni_t vni,
struct list *rtl)
{
inet_ntop(family, &p->prefix.ip.ip.addr, buf2,
PREFIX2STR_BUFFER));
}
+ } else if (p->prefix.route_type == BGP_EVPN_IP_PREFIX_ROUTE) {
+ snprintf(buf, len, "[%d]:[0]:[%d]:[%s]",
+ p->prefix.route_type,
+ 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));
} else {
/* For EVPN route types not supported yet. */
snprintf(buf, len, "(unsupported route type %d)",
/* RD header and legend - once overall. */
if (rd_header && !json) {
vty_out(vty,
- "EVPN type-2 prefix: [2]:[ESI]:[EthTag]:[MAClen]:"
- "[MAC]\n");
+ "EVPN type-2 prefix: [2]:[ESI]:[EthTag]:[MAClen]:[MAC]\n");
vty_out(vty,
- "EVPN type-3 prefix: [3]:[EthTag]:[IPlen]:"
- "[OrigIP]\n\n");
+ "EVPN type-3 prefix: [3]:[EthTag]:[IPlen]:[OrigIP]\n");
+ vty_out(vty,
+ "EVPN type-5 prefix: [5]:[EthTag]:[IPlen]:[IP]\n\n");
rd_header = 0;
}
return CMD_SUCCESS;
}
+DEFUN (bgp_evpn_advertise_type5,
+ bgp_evpn_advertise_type5_cmd,
+ "advertise <ipv4|ipv6|both>",
+ "Advertise prefix routes\n"
+ "advertise ipv4 prefix only\n"
+ "advertise ipv6 prefix only\n"
+ "advertise both ipv4/ipv6 prefix\n")
+{
+ struct bgp *bgp_vrf = VTY_GET_CONTEXT(bgp); /* bgp vrf instance */
+ uint32_t type = 0;
+
+ if (strcmp(argv[1]->text, "ipv4")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN;
+ } else if (strcmp(argv[1]->text, "ipv6")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN;
+ } else if (strcmp(argv[1]->text, "both")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN |
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN;
+ } else {
+ vty_out(vty, "%%invalid command");
+ return CMD_WARNING;
+ }
+
+ if (CHECK_FLAG(type, BGP_VRF_ADVERTISE_IPV4_IN_EVPN)) {
+
+ /* if we are already advertising ipv4 prefix as type-5
+ * nothing to do */
+ if (!CHECK_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV4_IN_EVPN)) {
+ SET_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV4_IN_EVPN);
+ bgp_evpn_advertise_type5_routes(bgp_vrf,
+ AFI_IP);
+ }
+ } else {
+
+ /* if we are already advertising ipv6 prefix as type-5
+ * nothing to do */
+ if (!CHECK_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN)) {
+ SET_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN);
+ bgp_evpn_advertise_type5_routes(bgp_vrf,
+ AFI_IP6);
+ }
+ }
+
+ return CMD_SUCCESS;
+}
+
+DEFUN (no_bgp_evpn_advertise_type5,
+ no_bgp_evpn_advertise_type5_cmd,
+ "no advertise <ipv4|ipv6|both>",
+ NO_STR
+ "Advertise prefix routes\n"
+ "advertise ipv4 prefix only\n"
+ "advertise ipv6 prefix only\n"
+ "advertise both ipv4/ipv6 prefix\n")
+{
+ struct bgp *bgp_vrf = VTY_GET_CONTEXT(bgp); /* bgp vrf instance */
+ uint32_t type = 0;
+
+ if (strcmp(argv[1]->text, "ipv4")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN;
+ } else if (strcmp(argv[1]->text, "ipv6")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN;
+ } else if (strcmp(argv[1]->text, "both")) {
+ type = BGP_VRF_ADVERTISE_IPV4_IN_EVPN |
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN;
+ } else {
+ vty_out(vty, "%%invalid command");
+ return CMD_WARNING;
+ }
+
+ if (CHECK_FLAG(type, BGP_VRF_ADVERTISE_IPV4_IN_EVPN)) {
+
+ /* if we are already advertising ipv4 prefix as type-5
+ * nothing to do */
+ if (CHECK_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV4_IN_EVPN)) {
+ bgp_evpn_withdraw_type5_routes(bgp_vrf, AFI_IP);
+ UNSET_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV4_IN_EVPN);
+ }
+ } else {
+
+ /* if we are already advertising ipv6 prefix as type-5
+ * nothing to do */
+ if (CHECK_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN)) {
+ bgp_evpn_withdraw_type5_routes(bgp_vrf,
+ AFI_IP6);
+ UNSET_FLAG(bgp_vrf->vrf_flags,
+ BGP_VRF_ADVERTISE_IPV6_IN_EVPN);
+ }
+ }
+ return CMD_SUCCESS;
+}
+
/*
* Display VNI information - for all or a specific VNI
*/
install_element(BGP_EVPN_NODE, &no_bgp_evpn_advertise_all_vni_cmd);
install_element(BGP_EVPN_NODE, &bgp_evpn_advertise_default_gw_cmd);
install_element(BGP_EVPN_NODE, &no_bgp_evpn_advertise_default_gw_cmd);
+ install_element(BGP_EVPN_NODE, &bgp_evpn_advertise_type5_cmd);
+ install_element(BGP_EVPN_NODE, &no_bgp_evpn_advertise_type5_cmd);
/* "show bgp l2vpn evpn" commands. */
install_element(VIEW_NODE, &show_bgp_l2vpn_evpn_vni_cmd);
projects / mirror / frr.git / commitdiff