* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
-
#include <zebra.h>
#include "hash.h"
#include "zebra/zebra_evpn_neigh.h"
#include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_evpn_mh.h"
+#include "zebra/zebra_evpn_vxlan.h"
#include "zebra/zebra_router.h"
-DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix");
-DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN, "EVPN hash");
-DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash");
-DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN_VTEP, "EVPN remote VTEP/PTUN");
-DEFINE_MTYPE_STATIC(ZEBRA, L3VNI_MAC, "EVPN L3VNI MAC");
-DEFINE_MTYPE_STATIC(ZEBRA, L3NEIGH, "EVPN Neighbor");
-DEFINE_MTYPE_STATIC(ZEBRA, ZVXLAN_SG, "zebra VxLAN multicast group");
-
-DEFINE_HOOK(zebra_rmac_update, (zebra_mac_t *rmac, zebra_l3vni_t *zl3vni,
- bool delete, const char *reason), (rmac, zl3vni, delete, reason))
+DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN, "VNI hash");
+DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN_VTEP, "VNI remote VTEP");
-/* definitions */
/* PMSI strings. */
#define VXLAN_FLOOD_STR_NO_INFO "-"
#define VXLAN_FLOOD_STR_DEFAULT VXLAN_FLOOD_STR_NO_INFO
{0}
};
-/* static function declarations */
-static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p,
- uint16_t cmd);
-static void zevpn_print_neigh_hash_all_evpn(struct hash_bucket *bucket,
- void **args);
-static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty,
- json_object *json);
-static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty,
- json_object *json);
-static void zevpn_print_mac_hash_all_evpn(struct hash_bucket *bucket, void *ctxt);
-static void zevpn_print(zebra_evpn_t *zevpn, void **ctxt);
-static void zevpn_print_hash(struct hash_bucket *bucket, void *ctxt[]);
-
-static zebra_evpn_t *zevpn_from_svi(struct interface *ifp,
- struct interface *br_if);
-static struct interface *zevpn_map_to_macvlan(struct interface *br_if,
- struct interface *svi_if);
-
-/* l3-vni next-hop neigh related APIs */
-static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni,
- const struct ipaddr *ip);
-static void *zl3vni_nh_alloc(void *p);
-static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni,
- const struct ipaddr *vtep_ip,
- const struct ethaddr *rmac);
-static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n);
-static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n);
-static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n);
-
-/* l3-vni rmac related APIs */
-static void zl3vni_print_rmac_hash(struct hash_bucket *, void *);
-static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni,
- const struct ethaddr *rmac);
-static void *zl3vni_rmac_alloc(void *p);
-static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni,
- const struct ethaddr *rmac);
-static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac);
-static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac);
-static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac);
-
-/* l3-vni related APIs*/
-static zebra_l3vni_t *zl3vni_lookup(vni_t vni);
-static void *zl3vni_alloc(void *p);
-static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id);
-static int zl3vni_del(zebra_l3vni_t *zl3vni);
-static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni);
-static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni);
-
-static zebra_evpn_t *zevpn_map_vlan(struct interface *ifp,
- struct interface *br_if, vlanid_t vid);
-static void zevpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt);
-
-static unsigned int evpn_hash_keymake(const void *p);
-static void *zevpn_alloc(void *p);
-static zebra_evpn_t *zevpn_add(vni_t vni);
-static int zevpn_del(zebra_evpn_t *zevpn);
-static int zevpn_send_add_to_client(zebra_evpn_t *zevpn);
-static int zevpn_send_del_to_client(zebra_evpn_t *zevpn);
-static void zevpn_build_hash_table(void);
-static int zevpn_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep);
-static zebra_vtep_t *zevpn_vtep_find(zebra_evpn_t *zevpn, struct in_addr *vtep_ip);
-static zebra_vtep_t *zevpn_vtep_add(zebra_evpn_t *zevpn, struct in_addr *vtep_ip,
- int flood_control);
-static int zevpn_vtep_del(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep);
-static int zevpn_vtep_del_all(zebra_evpn_t *zevpn, int uninstall);
-static int zevpn_vtep_install(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep);
-static int zevpn_vtep_uninstall(zebra_evpn_t *zevpn, struct in_addr *vtep_ip);
-static int zevpn_del_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn);
-static int zevpn_add_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn);
-static int zevpn_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ethaddr *macaddr, struct ipaddr *ip);
-static int zevpn_gw_macip_del(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ipaddr *ip);
-struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp);
-static unsigned int zebra_vxlan_sg_hash_key_make(const void *p);
-static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2);
-static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf,
- struct in_addr sip, struct in_addr mcast_grp);
-static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *vrf,
- struct in_addr sip, struct in_addr mcast_grp);
-static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip,
- struct in_addr mcast_grp);
-static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip,
- struct in_addr mcast_grp);
-static void zebra_vxlan_sg_cleanup(struct hash_bucket *bucket, void *arg);
-
-/* Private functions */
-static int host_rb_entry_compare(const struct host_rb_entry *hle1,
- const struct host_rb_entry *hle2)
-{
- if (hle1->p.family < hle2->p.family)
- return -1;
-
- if (hle1->p.family > hle2->p.family)
- return 1;
-
- if (hle1->p.prefixlen < hle2->p.prefixlen)
- return -1;
-
- if (hle1->p.prefixlen > hle2->p.prefixlen)
- return 1;
-
- if (hle1->p.family == AF_INET) {
- if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr)
- return -1;
-
- if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr)
- return 1;
-
- return 0;
- } else if (hle1->p.family == AF_INET6) {
- return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6,
- IPV6_MAX_BYTELEN);
- } else {
- zlog_debug("%s: Unexpected family type: %d", __func__,
- hle1->p.family);
- return 0;
- }
-}
-RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare);
-
-static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe)
-{
- struct host_rb_entry *hle;
- uint32_t count = 0;
-
- RB_FOREACH (hle, host_rb_tree_entry, hrbe)
- count++;
-
- return count;
-}
-
int advertise_gw_macip_enabled(zebra_evpn_t *zevpn)
{
struct zebra_vrf *zvrf;
return 0;
}
-/*
- * Print neighbors for all EVPN.
- */
-static void zevpn_print_neigh_hash_all_evpn(struct hash_bucket *bucket,
- void **args)
-{
- struct vty *vty;
- json_object *json = NULL, *json_evpn = NULL;
- zebra_evpn_t *zevpn;
- uint32_t num_neigh;
- struct neigh_walk_ctx wctx;
- char vni_str[VNI_STR_LEN];
- uint32_t print_dup;
-
- vty = (struct vty *)args[0];
- json = (json_object *)args[1];
- print_dup = (uint32_t)(uintptr_t)args[2];
-
- zevpn = (zebra_evpn_t *)bucket->data;
-
- num_neigh = hashcount(zevpn->neigh_table);
-
- if (print_dup)
- num_neigh = num_dup_detected_neighs(zevpn);
-
- if (json == NULL) {
- vty_out(vty,
- "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n",
- zevpn->vni, num_neigh);
- } else {
- json_evpn = json_object_new_object();
- json_object_int_add(json_evpn, "numArpNd", num_neigh);
- snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni);
- }
-
- if (!num_neigh) {
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
- return;
- }
-
- /* Since we have IPv6 addresses to deal with which can vary widely in
- * size, we try to be a bit more elegant in display by first computing
- * the maximum width.
- */
- memset(&wctx, 0, sizeof(struct neigh_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.addr_width = 15;
- wctx.json = json_evpn;
- hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width,
- &wctx);
-
- if (json == NULL)
- zebra_evpn_print_neigh_hdr(vty, &wctx);
-
- if (print_dup)
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_print_dad_neigh_hash, &wctx);
- else
- hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash,
- &wctx);
-
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
-}
-
-/*
- * Print neighbors for all EVPNs in detail.
- */
-static void zevpn_print_neigh_hash_all_evpn_detail(struct hash_bucket *bucket,
- void **args)
-{
- struct vty *vty;
- json_object *json = NULL, *json_evpn = NULL;
- zebra_evpn_t *zevpn;
- uint32_t num_neigh;
- struct neigh_walk_ctx wctx;
- char vni_str[VNI_STR_LEN];
- uint32_t print_dup;
-
- vty = (struct vty *)args[0];
- json = (json_object *)args[1];
- print_dup = (uint32_t)(uintptr_t)args[2];
-
- zevpn = (zebra_evpn_t *)bucket->data;
- if (!zevpn) {
- if (json)
- vty_out(vty, "{}\n");
- return;
- }
- num_neigh = hashcount(zevpn->neigh_table);
-
- if (print_dup && num_dup_detected_neighs(zevpn) == 0)
- return;
-
- if (json == NULL) {
- vty_out(vty,
- "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n",
- zevpn->vni, num_neigh);
- } else {
- json_evpn = json_object_new_object();
- json_object_int_add(json_evpn, "numArpNd", num_neigh);
- snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni);
- }
- if (!num_neigh) {
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
- return;
- }
-
- memset(&wctx, 0, sizeof(struct neigh_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.addr_width = 15;
- wctx.json = json_evpn;
-
- if (print_dup)
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_print_dad_neigh_hash_detail, &wctx);
- else
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_print_neigh_hash_detail, &wctx);
-
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
-}
-
-/* print a specific next hop for an l3vni */
-static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty,
- json_object *json)
-{
- char buf1[ETHER_ADDR_STRLEN];
- char buf2[INET6_ADDRSTRLEN];
- json_object *json_hosts = NULL;
- struct host_rb_entry *hle;
-
- if (!json) {
- vty_out(vty, "Ip: %s\n",
- ipaddr2str(&n->ip, buf2, sizeof(buf2)));
- vty_out(vty, " RMAC: %s\n",
- prefix_mac2str(&n->emac, buf1, sizeof(buf1)));
- vty_out(vty, " Refcount: %d\n",
- rb_host_count(&n->host_rb));
- vty_out(vty, " Prefixes:\n");
- RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb)
- vty_out(vty, " %s\n",
- prefix2str(&hle->p, buf2, sizeof(buf2)));
- } else {
- json_hosts = json_object_new_array();
- json_object_string_add(
- json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2)));
- json_object_string_add(
- json, "routerMac",
- prefix_mac2str(&n->emac, buf2, sizeof(buf2)));
- json_object_int_add(json, "refCount",
- rb_host_count(&n->host_rb));
- RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb)
- json_object_array_add(json_hosts,
- json_object_new_string(prefix2str(
- &hle->p, buf2, sizeof(buf2))));
- json_object_object_add(json, "prefixList", json_hosts);
- }
-}
-
-/* Print a specific RMAC entry */
-static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty,
- json_object *json)
-{
- char buf1[ETHER_ADDR_STRLEN];
- char buf2[PREFIX_STRLEN];
- json_object *json_hosts = NULL;
- struct host_rb_entry *hle;
-
- if (!json) {
- vty_out(vty, "MAC: %s\n",
- prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1)));
- vty_out(vty, " Remote VTEP: %s\n",
- inet_ntoa(zrmac->fwd_info.r_vtep_ip));
- vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb));
- vty_out(vty, " Prefixes:\n");
- RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb)
- vty_out(vty, " %s\n",
- prefix2str(&hle->p, buf2, sizeof(buf2)));
- } else {
- json_hosts = json_object_new_array();
- json_object_string_add(
- json, "routerMac",
- prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1)));
- json_object_string_add(json, "vtepIp",
- inet_ntoa(zrmac->fwd_info.r_vtep_ip));
- json_object_int_add(json, "refCount",
- rb_host_count(&zrmac->host_rb));
- json_object_int_add(json, "localSequence", zrmac->loc_seq);
- json_object_int_add(json, "remoteSequence", zrmac->rem_seq);
- RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb)
- json_object_array_add(
- json_hosts,
- json_object_new_string(prefix2str(
- &hle->p, buf2, sizeof(buf2))));
- json_object_object_add(json, "prefixList", json_hosts);
- }
-}
-
-/*
- * Print MACs for all EVPNs.
- */
-static void zevpn_print_mac_hash_all_evpn(struct hash_bucket *bucket, void *ctxt)
-{
- struct vty *vty;
- json_object *json = NULL, *json_evpn = NULL;
- json_object *json_mac = NULL;
- zebra_evpn_t *zevpn;
- uint32_t num_macs;
- struct mac_walk_ctx *wctx = ctxt;
- char vni_str[VNI_STR_LEN];
-
- vty = wctx->vty;
- json = wctx->json;
-
- zevpn = (zebra_evpn_t *)bucket->data;
- wctx->zevpn = zevpn;
-
- /*We are iterating over a new VNI, set the count to 0*/
- wctx->count = 0;
-
- num_macs = num_valid_macs(zevpn);
- if (!num_macs)
- return;
-
- if (wctx->print_dup)
- num_macs = num_dup_detected_macs(zevpn);
-
- if (json) {
- json_evpn = json_object_new_object();
- json_mac = json_object_new_object();
- snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni);
- }
-
- if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) {
- if (json == NULL) {
- vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n",
- zevpn->vni, num_macs);
- vty_out(vty,
- "Flags: N=sync-neighs, I=local-inactive, P=peer-active, X=peer-proxy\n");
- vty_out(vty, "%-17s %-6s %-5s %-30s %-5s %s\n", "MAC",
- "Type", "Flags", "Intf/Remote ES/VTEP",
- "VLAN", "Seq #'s");
- } else
- json_object_int_add(json_evpn, "numMacs", num_macs);
- }
-
- if (!num_macs) {
- if (json) {
- json_object_int_add(json_evpn, "numMacs", num_macs);
- json_object_object_add(json, vni_str, json_evpn);
- }
- return;
- }
-
- /* assign per-evpn to wctx->json object to fill macs
- * under the evpn. Re-assign primary json object to fill
- * next evpn information.
- */
- wctx->json = json_mac;
- if (wctx->print_dup)
- hash_iterate(zevpn->mac_table, zebra_evpn_print_dad_mac_hash,
- wctx);
- else
- hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, wctx);
- wctx->json = json;
- if (json) {
- if (wctx->count)
- json_object_object_add(json_evpn, "macs", json_mac);
- json_object_object_add(json, vni_str, json_evpn);
- }
-}
-
-/*
- * Print MACs in detail for all EVPNs.
- */
-static void zevpn_print_mac_hash_all_evpn_detail(struct hash_bucket *bucket,
- void *ctxt)
-{
- struct vty *vty;
- json_object *json = NULL, *json_evpn = NULL;
- json_object *json_mac = NULL;
- zebra_evpn_t *zevpn;
- uint32_t num_macs;
- struct mac_walk_ctx *wctx = ctxt;
- char vni_str[VNI_STR_LEN];
-
- vty = wctx->vty;
- json = wctx->json;
-
- zevpn = (zebra_evpn_t *)bucket->data;
- if (!zevpn) {
- if (json)
- vty_out(vty, "{}\n");
- return;
- }
- wctx->zevpn = zevpn;
-
- /*We are iterating over a new EVPN, set the count to 0*/
- wctx->count = 0;
-
- num_macs = num_valid_macs(zevpn);
- if (!num_macs)
- return;
-
- if (wctx->print_dup && (num_dup_detected_macs(zevpn) == 0))
- return;
-
- if (json) {
- json_evpn = json_object_new_object();
- json_mac = json_object_new_object();
- snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni);
- }
-
- if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) {
- if (json == NULL) {
- vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n",
- zevpn->vni, num_macs);
- } else
- json_object_int_add(json_evpn, "numMacs", num_macs);
- }
- /* assign per-evpn to wctx->json object to fill macs
- * under the evpn. Re-assign primary json object to fill
- * next evpn information.
- */
- wctx->json = json_mac;
- if (wctx->print_dup)
- hash_iterate(zevpn->mac_table,
- zebra_evpn_print_dad_mac_hash_detail, wctx);
- else
- hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash_detail,
- wctx);
- wctx->json = json;
- if (json) {
- if (wctx->count)
- json_object_object_add(json_evpn, "macs", json_mac);
- json_object_object_add(json, vni_str, json_evpn);
- }
-}
-
-static void zl3vni_print_nh_hash(struct hash_bucket *bucket, void *ctx)
-{
- struct nh_walk_ctx *wctx = NULL;
- struct vty *vty = NULL;
- struct json_object *json_evpn = NULL;
- struct json_object *json_nh = NULL;
- zebra_neigh_t *n = NULL;
- char buf1[ETHER_ADDR_STRLEN];
- char buf2[INET6_ADDRSTRLEN];
-
- wctx = (struct nh_walk_ctx *)ctx;
- vty = wctx->vty;
- json_evpn = wctx->json;
- if (json_evpn)
- json_nh = json_object_new_object();
- n = (zebra_neigh_t *)bucket->data;
-
- if (!json_evpn) {
- vty_out(vty, "%-15s %-17s\n",
- ipaddr2str(&(n->ip), buf2, sizeof(buf2)),
- prefix_mac2str(&n->emac, buf1, sizeof(buf1)));
- } else {
- json_object_string_add(json_nh, "nexthopIp",
- ipaddr2str(&n->ip, buf2, sizeof(buf2)));
- json_object_string_add(
- json_nh, "routerMac",
- prefix_mac2str(&n->emac, buf1, sizeof(buf1)));
- json_object_object_add(json_evpn,
- ipaddr2str(&(n->ip), buf2, sizeof(buf2)),
- json_nh);
- }
-}
-
-static void zl3vni_print_nh_hash_all_vni(struct hash_bucket *bucket,
- void **args)
-{
- struct vty *vty = NULL;
- json_object *json = NULL;
- json_object *json_evpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- uint32_t num_nh = 0;
- struct nh_walk_ctx wctx;
- char vni_str[VNI_STR_LEN];
-
- vty = (struct vty *)args[0];
- json = (struct json_object *)args[1];
-
- zl3vni = (zebra_l3vni_t *)bucket->data;
-
- num_nh = hashcount(zl3vni->nh_table);
- if (!num_nh)
- return;
-
- if (json) {
- json_evpn = json_object_new_object();
- snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni);
- }
-
- if (json == NULL) {
- vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh);
- vty_out(vty, "%-15s %-17s\n", "IP", "RMAC");
- } else
- json_object_int_add(json_evpn, "numNextHops", num_nh);
-
- memset(&wctx, 0, sizeof(struct nh_walk_ctx));
- wctx.vty = vty;
- wctx.json = json_evpn;
- hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx);
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
-}
-
-static void zl3vni_print_rmac_hash_all_vni(struct hash_bucket *bucket,
- void **args)
-{
- struct vty *vty = NULL;
- json_object *json = NULL;
- json_object *json_evpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- uint32_t num_rmacs;
- struct rmac_walk_ctx wctx;
- char vni_str[VNI_STR_LEN];
-
- vty = (struct vty *)args[0];
- json = (struct json_object *)args[1];
-
- zl3vni = (zebra_l3vni_t *)bucket->data;
-
- num_rmacs = hashcount(zl3vni->rmac_table);
- if (!num_rmacs)
- return;
-
- if (json) {
- json_evpn = json_object_new_object();
- snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni);
- }
-
- if (json == NULL) {
- vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs);
- vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP");
- } else
- json_object_int_add(json_evpn, "numRmacs", num_rmacs);
-
- /* assign per-vni to wctx->json object to fill macs
- * under the vni. Re-assign primary json object to fill
- * next vni information.
- */
- memset(&wctx, 0, sizeof(struct rmac_walk_ctx));
- wctx.vty = vty;
- wctx.json = json_evpn;
- hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx);
- if (json)
- json_object_object_add(json, vni_str, json_evpn);
-}
-
-static void zl3vni_print_rmac_hash(struct hash_bucket *bucket, void *ctx)
-{
- zebra_mac_t *zrmac = NULL;
- struct rmac_walk_ctx *wctx = NULL;
- struct vty *vty = NULL;
- struct json_object *json = NULL;
- struct json_object *json_rmac = NULL;
- char buf[ETHER_ADDR_STRLEN];
-
- wctx = (struct rmac_walk_ctx *)ctx;
- vty = wctx->vty;
- json = wctx->json;
- if (json)
- json_rmac = json_object_new_object();
- zrmac = (zebra_mac_t *)bucket->data;
-
- if (!json) {
- vty_out(vty, "%-17s %-21s\n",
- prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)),
- inet_ntoa(zrmac->fwd_info.r_vtep_ip));
- } else {
- json_object_string_add(
- json_rmac, "routerMac",
- prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)));
- json_object_string_add(json_rmac, "vtepIp",
- inet_ntoa(zrmac->fwd_info.r_vtep_ip));
- json_object_object_add(
- json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)),
- json_rmac);
- }
-}
-
-/* print a specific L3 VNI entry */
-static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx)
-{
- char buf[ETHER_ADDR_STRLEN];
- struct vty *vty = NULL;
- json_object *json = NULL;
- zebra_evpn_t *zevpn = NULL;
- json_object *json_evpn_list = NULL;
- struct listnode *node = NULL, *nnode = NULL;
-
- vty = ctx[0];
- json = ctx[1];
-
- if (!json) {
- vty_out(vty, "VNI: %u\n", zl3vni->vni);
- vty_out(vty, " Type: %s\n", "L3");
- vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni));
- vty_out(vty, " Local Vtep Ip: %s\n",
- inet_ntoa(zl3vni->local_vtep_ip));
- vty_out(vty, " Vxlan-Intf: %s\n",
- zl3vni_vxlan_if_name(zl3vni));
- vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni));
- vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni));
- vty_out(vty, " VNI Filter: %s\n",
- CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)
- ? "prefix-routes-only"
- : "none");
- vty_out(vty, " System MAC: %s\n",
- zl3vni_sysmac2str(zl3vni, buf, sizeof(buf)));
- vty_out(vty, " Router MAC: %s\n",
- zl3vni_rmac2str(zl3vni, buf, sizeof(buf)));
- vty_out(vty, " L2 VNIs: ");
- for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zevpn))
- vty_out(vty, "%u ", zevpn->vni);
- vty_out(vty, "\n");
- } else {
- json_evpn_list = json_object_new_array();
- json_object_int_add(json, "vni", zl3vni->vni);
- json_object_string_add(json, "type", "L3");
- json_object_string_add(json, "localVtepIp",
- inet_ntoa(zl3vni->local_vtep_ip));
- json_object_string_add(json, "vxlanIntf",
- zl3vni_vxlan_if_name(zl3vni));
- json_object_string_add(json, "sviIntf",
- zl3vni_svi_if_name(zl3vni));
- json_object_string_add(json, "state", zl3vni_state2str(zl3vni));
- json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni));
- json_object_string_add(
- json, "sysMac",
- zl3vni_sysmac2str(zl3vni, buf, sizeof(buf)));
- json_object_string_add(
- json, "routerMac",
- zl3vni_rmac2str(zl3vni, buf, sizeof(buf)));
- json_object_string_add(
- json, "vniFilter",
- CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)
- ? "prefix-routes-only"
- : "none");
- for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zevpn)) {
- json_object_array_add(json_evpn_list,
- json_object_new_int(zevpn->vni));
- }
- json_object_object_add(json, "l2Vnis", json_evpn_list);
- }
-}
-
/*
* Print a specific EVPN entry.
*/
-static void zevpn_print(zebra_evpn_t *zevpn, void **ctxt)
+void zebra_evpn_print(zebra_evpn_t *zevpn, void **ctxt)
{
struct vty *vty;
zebra_vtep_t *zvtep;
}
}
-/* print a L3 VNI hash entry */
-static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[])
+/*
+ * Print an EVPN hash entry - called for display of all VNIs.
+ */
+void zebra_evpn_print_hash(struct hash_bucket *bucket, void *ctxt[])
{
- struct vty *vty = NULL;
+ struct vty *vty;
+ zebra_evpn_t *zevpn;
+ zebra_vtep_t *zvtep;
+ uint32_t num_vteps = 0;
+ uint32_t num_macs = 0;
+ uint32_t num_neigh = 0;
json_object *json = NULL;
json_object *json_evpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- vty = (struct vty *)ctx[0];
- json = (json_object *)ctx[1];
+ json_object *json_ip_str = NULL;
+ json_object *json_vtep_list = NULL;
- zl3vni = (zebra_l3vni_t *)bucket->data;
+ vty = ctxt[0];
+ json = ctxt[1];
- if (!json) {
- vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n",
- zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni),
- hashcount(zl3vni->rmac_table),
- hashcount(zl3vni->nh_table), "n/a",
- zl3vni_vrf_name(zl3vni));
- } else {
- char vni_str[VNI_STR_LEN];
+ zevpn = (zebra_evpn_t *)bucket->data;
- snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni);
- json_evpn = json_object_new_object();
- json_object_int_add(json_evpn, "vni", zl3vni->vni);
- json_object_string_add(json_evpn, "vxlanIf",
- zl3vni_vxlan_if_name(zl3vni));
- json_object_int_add(json_evpn, "numMacs",
- hashcount(zl3vni->rmac_table));
- json_object_int_add(json_evpn, "numArpNd",
- hashcount(zl3vni->nh_table));
- json_object_string_add(json_evpn, "numRemoteVteps", "n/a");
- json_object_string_add(json_evpn, "type", "L3");
- json_object_string_add(json_evpn, "tenantVrf",
- zl3vni_vrf_name(zl3vni));
- json_object_object_add(json, vni_str, json_evpn);
- }
-}
-
-/* Private Structure to pass callback data for hash iterator */
-struct zevpn_show {
- struct vty *vty;
- json_object *json;
- struct zebra_vrf *zvrf;
- bool use_json;
-};
-
-/* print a L3 VNI hash entry in detail*/
-static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data)
-{
- struct vty *vty = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- json_object *json_array = NULL;
- bool use_json = false;
- struct zevpn_show *zes = data;
-
- vty = zes->vty;
- json_array = zes->json;
- use_json = zes->use_json;
-
- zl3vni = (zebra_l3vni_t *)bucket->data;
-
- zebra_vxlan_print_vni(vty, zes->zvrf, zl3vni->vni,
- use_json, json_array);
-
- if (!use_json)
- vty_out(vty, "\n");
-}
-
-
-/*
- * Print an EVPN hash entry - called for display of all VNIs.
- */
-static void zevpn_print_hash(struct hash_bucket *bucket, void *ctxt[])
-{
- struct vty *vty;
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
- uint32_t num_vteps = 0;
- uint32_t num_macs = 0;
- uint32_t num_neigh = 0;
- json_object *json = NULL;
- json_object *json_evpn = NULL;
- json_object *json_ip_str = NULL;
- json_object *json_vtep_list = NULL;
-
- vty = ctxt[0];
- json = ctxt[1];
-
- zevpn = (zebra_evpn_t *)bucket->data;
-
- zvtep = zevpn->vteps;
- while (zvtep) {
- num_vteps++;
- zvtep = zvtep->next;
+ zvtep = zevpn->vteps;
+ while (zvtep) {
+ num_vteps++;
+ zvtep = zvtep->next;
}
num_macs = num_valid_macs(zevpn);
/*
* Print an EVPN hash entry in detail - called for display of all EVPNs.
*/
-static void zevpn_print_hash_detail(struct hash_bucket *bucket, void *data)
+void zebra_evpn_print_hash_detail(struct hash_bucket *bucket, void *data)
{
struct vty *vty;
zebra_evpn_t *zevpn;
json_object *json_array = NULL;
bool use_json = false;
- struct zevpn_show *zes = data;
+ struct zebra_evpn_show *zes = data;
vty = zes->vty;
json_array = zes->json;
vty_out(vty, "\n");
}
-/* Get the VRR interface for SVI if any */
-struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp)
-{
- struct zebra_vrf *zvrf = NULL;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif = NULL;
-
- zvrf = vrf_info_lookup(ifp->vrf_id);
- assert(zvrf);
-
- FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) {
- zif = tmp_if->info;
- if (!zif)
- continue;
-
- if (!IS_ZEBRA_IF_MACVLAN(tmp_if))
- continue;
-
- if (zif->link == ifp)
- return tmp_if;
- }
-
- return NULL;
-}
-
-static int zevpn_del_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
+int zebra_evpn_del_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
{
struct listnode *cnode = NULL, *cnnode = NULL;
struct connected *c = NULL;
continue;
}
- zevpn_gw_macip_del(ifp, zevpn, &ip);
+ zebra_evpn_gw_macip_del(ifp, zevpn, &ip);
}
return 0;
}
-static int zevpn_add_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
+int zebra_evpn_add_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
{
struct listnode *cnode = NULL, *cnnode = NULL;
struct connected *c = NULL;
continue;
}
- zevpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
+ zebra_evpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
}
return 0;
}
+static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p,
+ uint16_t cmd)
+{
+ struct zserv *client = NULL;
+ struct stream *s = NULL;
+ char buf[PREFIX_STRLEN];
+
+ client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
+ /* BGP may not be running. */
+ if (!client)
+ return 0;
+
+ s = stream_new(ZEBRA_MAX_PACKET_SIZ);
+
+ zclient_create_header(s, cmd, vrf_id);
+ stream_put(s, p, sizeof(struct prefix));
+
+ /* Write packet size. */
+ stream_putw_at(s, 0, stream_get_endp(s));
+
+ if (IS_ZEBRA_DEBUG_VXLAN)
+ zlog_debug("Send ip prefix %s %s on vrf %s",
+ prefix2str(p, buf, sizeof(buf)),
+ (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL",
+ vrf_id_to_name(vrf_id));
+
+ if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD)
+ client->prefixadd_cnt++;
+ else
+ client->prefixdel_cnt++;
+
+ return zserv_send_message(client, s);
+}
-static int zevpn_advertise_subnet(zebra_evpn_t *zevpn, struct interface *ifp,
- int advertise)
+int zebra_evpn_advertise_subnet(zebra_evpn_t *zevpn, struct interface *ifp,
+ int advertise)
{
struct listnode *cnode = NULL, *cnnode = NULL;
struct connected *c = NULL;
}
/*
- * zevpn_gw_macip_add_to_client
+ * zebra_evpn_gw_macip_add_to_client
*/
-static int zevpn_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ethaddr *macaddr, struct ipaddr *ip)
+int zebra_evpn_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn,
+ struct ethaddr *macaddr, struct ipaddr *ip)
{
zebra_mac_t *mac = NULL;
struct zebra_if *zif = NULL;
}
/*
- * zevpn_gw_macip_del_from_client
+ * zebra_evpn_gw_macip_del_from_client
*/
-static int zevpn_gw_macip_del(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ipaddr *ip)
+int zebra_evpn_gw_macip_del(struct interface *ifp, zebra_evpn_t *zevpn,
+ struct ipaddr *ip)
{
char buf1[ETHER_ADDR_STRLEN];
char buf2[INET6_ADDRSTRLEN];
return 0;
}
-static void zevpn_gw_macip_del_for_evpn_hash(struct hash_bucket *bucket,
+void zebra_evpn_gw_macip_del_for_evpn_hash(struct hash_bucket *bucket,
void *ctxt)
{
zebra_evpn_t *zevpn = NULL;
return;
/* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vlan_if, zevpn);
/* Del VRR MAC-IP - if any*/
vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
if (vrr_if)
- zevpn_del_macip_for_intf(vrr_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vrr_if, zevpn);
return;
}
-static void zevpn_gw_macip_add_for_evpn_hash(struct hash_bucket *bucket,
+void zebra_evpn_gw_macip_add_for_evpn_hash(struct hash_bucket *bucket,
void *ctxt)
{
zebra_evpn_t *zevpn = NULL;
return;
/* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vlan_if, zevpn);
if (advertise_gw_macip_enabled(zevpn)) {
/* Add VRR MAC-IP - if any*/
vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vrr_if, zevpn);
}
return;
}
-static void zevpn_svi_macip_del_for_evpn_hash(struct hash_bucket *bucket,
- void *ctxt)
+void zebra_evpn_svi_macip_del_for_evpn_hash(struct hash_bucket *bucket,
+ void *ctxt)
{
zebra_evpn_t *zevpn = NULL;
struct zebra_if *zif = NULL;
return;
/* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vlan_if, zevpn);
return;
}
* Map port or (port, VLAN) to an EVPN. This is invoked upon getting MAC
* notifications, to see if they are of interest.
*/
-static zebra_evpn_t *zevpn_map_vlan(struct interface *ifp,
+zebra_evpn_t *zebra_evpn_map_vlan(struct interface *ifp,
struct interface *br_if, vlanid_t vid)
{
struct zebra_ns *zns;
if (!found)
return NULL;
- zevpn = zevpn_lookup(vxl->vni);
+ zevpn = zebra_evpn_lookup(vxl->vni);
return zevpn;
}
/*
- * Map SVI and associated bridge to a VNI. This is invoked upon getting
+ * Map SVI and associated bridge to an EVPN. This is invoked upon getting
* neighbor notifications, to see if they are of interest.
*/
-static zebra_evpn_t *zevpn_from_svi(struct interface *ifp,
+zebra_evpn_t *zebra_evpn_from_svi(struct interface *ifp,
struct interface *br_if)
{
struct zebra_ns *zns;
if (!found)
return NULL;
- zevpn = zevpn_lookup(vxl->vni);
+ zevpn = zebra_evpn_lookup(vxl->vni);
return zevpn;
}
-/* Map to SVI on bridge corresponding to specified VLAN. This can be one
- * of two cases:
- * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface
- * linked to the bridge
- * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge interface
- * itself
- */
-struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif;
- struct zebra_l2info_bridge *br;
- struct zebra_l2info_vlan *vl;
- uint8_t bridge_vlan_aware;
- int found = 0;
-
- /* Defensive check, caller expected to invoke only with valid bridge. */
- if (!br_if)
- return NULL;
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
- br = &zif->l2info.br;
- bridge_vlan_aware = br->vlan_aware;
-
- /* Check oper status of the SVI. */
- if (!bridge_vlan_aware)
- return if_is_operative(br_if) ? br_if : NULL;
-
- /* Identify corresponding VLAN interface. */
- /* TODO: Optimize with a hash. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- /* Check oper status of the SVI. */
- if (!tmp_if || !if_is_operative(tmp_if))
- continue;
- zif = tmp_if->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VLAN
- || zif->link != br_if)
- continue;
- vl = &zif->l2info.vl;
-
- if (vl->vid == vid) {
- found = 1;
- break;
- }
- }
-
- return found ? tmp_if : NULL;
-}
-
/* Map to MAC-VLAN interface corresponding to specified SVI interface.
*/
-static struct interface *zevpn_map_to_macvlan(struct interface *br_if,
- struct interface *svi_if)
+struct interface *zebra_evpn_map_to_macvlan(struct interface *br_if,
+ struct interface *svi_if)
{
struct zebra_ns *zns;
struct route_node *rn;
/*
* Install MAC hash entry - called upon access VLAN change.
*/
-static void zevpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt)
+void zebra_evpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt)
{
zebra_mac_t *mac;
struct mac_walk_ctx *wctx = ctxt;
/*
* Read and populate local MACs and neighbors corresponding to this EVPN.
*/
-static void zevpn_read_mac_neigh(zebra_evpn_t *zevpn, struct interface *ifp)
+void zebra_evpn_read_mac_neigh(zebra_evpn_t *zevpn, struct interface *ifp)
{
struct zebra_ns *zns;
struct zebra_if *zif;
if (vlan_if) {
/* Add SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vlan_if, zevpn);
/* Add VRR MAC-IP - if any*/
vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vrr_if, zevpn);
neigh_read_for_vlan(zns, vlan_if);
}
}
/*
- * Hash function for VNI.
+ * Hash function for EVPN.
*/
-static unsigned int evpn_hash_keymake(const void *p)
+unsigned int zebra_evpn_hash_keymake(const void *p)
{
const zebra_evpn_t *zevpn = p;
}
/*
- * Compare 2 VNI hash entries.
+ * Compare 2 evpn hash entries.
*/
-static bool vni_hash_cmp(const void *p1, const void *p2)
+bool zebra_evpn_hash_cmp(const void *p1, const void *p2)
{
const zebra_evpn_t *zevpn1 = p1;
const zebra_evpn_t *zevpn2 = p2;
return (zevpn1->vni == zevpn2->vni);
}
-int vni_list_cmp(void *p1, void *p2)
+int zebra_evpn_list_cmp(void *p1, void *p2)
{
const zebra_evpn_t *zevpn1 = p1;
const zebra_evpn_t *zevpn2 = p2;
/*
* Callback to allocate VNI hash entry.
*/
-static void *zevpn_alloc(void *p)
+void *zebra_evpn_alloc(void *p)
{
const zebra_evpn_t *tmp_vni = p;
zebra_evpn_t *zevpn;
/*
* Look up EVPN hash entry.
*/
-zebra_evpn_t *zevpn_lookup(vni_t vni)
+zebra_evpn_t *zebra_evpn_lookup(vni_t vni)
{
struct zebra_vrf *zvrf;
zebra_evpn_t tmp_vni;
/*
* Add EVPN hash entry.
*/
-static zebra_evpn_t *zevpn_add(vni_t vni)
+zebra_evpn_t *zebra_evpn_add(vni_t vni)
{
struct zebra_vrf *zvrf;
zebra_evpn_t tmp_zevpn;
assert(zvrf);
memset(&tmp_zevpn, 0, sizeof(zebra_evpn_t));
tmp_zevpn.vni = vni;
- zevpn = hash_get(zvrf->evpn_table, &tmp_zevpn, zevpn_alloc);
+ zevpn = hash_get(zvrf->evpn_table, &tmp_zevpn, zebra_evpn_alloc);
assert(zevpn);
zebra_evpn_evpn_es_init(zevpn);
return zevpn;
}
-/* EVPN<=>vxlan_zif association */
-static void zevpn_vxlan_if_set(zebra_evpn_t *zevpn, struct interface *ifp,
- bool set)
-{
- struct zebra_if *zif;
-
- if (set) {
- if (zevpn->vxlan_if == ifp)
- return;
- zevpn->vxlan_if = ifp;
- } else {
- if (!zevpn->vxlan_if)
- return;
- zevpn->vxlan_if = NULL;
- }
-
- if (ifp)
- zif = ifp->info;
- else
- zif = NULL;
-
- zebra_evpn_vxl_evpn_set(zif, zevpn, set);
-}
-
/*
* Delete EVPN hash entry.
*/
-static int zevpn_del(zebra_evpn_t *zevpn)
+int zebra_evpn_del(zebra_evpn_t *zevpn)
{
struct zebra_vrf *zvrf;
zebra_evpn_t *tmp_zevpn;
zvrf = zebra_vrf_get_evpn();
assert(zvrf);
- zevpn_vxlan_if_set(zevpn, zevpn->vxlan_if, false /* set */);
-
- /* Remove references to the BUM mcast grp */
- zebra_vxlan_sg_deref(zevpn->local_vtep_ip, zevpn->mcast_grp);
-
/* Free the neighbor hash table. */
hash_free(zevpn->neigh_table);
zevpn->neigh_table = NULL;
/*
* Inform BGP about local EVPN addition.
*/
-static int zevpn_send_add_to_client(zebra_evpn_t *zevpn)
+int zebra_evpn_send_add_to_client(zebra_evpn_t *zevpn)
{
struct zserv *client;
struct stream *s;
/*
* Inform BGP about local EVPN deletion.
*/
-static int zevpn_send_del_to_client(zebra_evpn_t *zevpn)
+int zebra_evpn_send_del_to_client(zebra_evpn_t *zevpn)
{
struct zserv *client;
struct stream *s;
return zserv_send_message(client, s);
}
-/*
- * Build the VNI hash table by going over the VxLAN interfaces. This
- * is called when EVPN (advertise-all-vni) is enabled.
- */
-static void zevpn_build_hash_table(void)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *ifp;
-
- /* Walk VxLAN interfaces and create EVPN hash. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- vni_t vni;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_if *zif;
- struct zebra_l2info_vxlan *vxl;
-
- ifp = (struct interface *)rn->info;
- if (!ifp)
- continue;
- zif = ifp->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VXLAN)
- continue;
-
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- /* L3-VNI and L2-VNI are handled seperately */
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "create L3-VNI hash for Intf %s(%u) L3-VNI %u",
- ifp->name, ifp->ifindex, vni);
-
- /* associate with vxlan_if */
- zl3vni->local_vtep_ip = vxl->vtep_ip;
- zl3vni->vxlan_if = ifp;
-
- /*
- * we need to associate with SVI.
- * we can associate with svi-if only after association
- * with vxlan-intf is complete
- */
- zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni);
-
- /* Associate l3vni to mac-vlan and extract VRR MAC */
- zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("create l3vni %u svi_if %s mac_vlan_if %s",
- vni, zl3vni->svi_if ? zl3vni->svi_if->name
- : "NIL",
- zl3vni->mac_vlan_if ?
- zl3vni->mac_vlan_if->name : "NIL");
-
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
-
- } else {
- struct interface *vlan_if = NULL;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s",
- ifp->name, ifp->ifindex, vni,
- inet_ntoa(vxl->vtep_ip));
-
- /* EVPN hash entry is expected to exist, if the BGP process is killed */
- zevpn = zevpn_lookup(vni);
- if (zevpn) {
- zlog_debug(
- "EVPN hash already present for IF %s(%u) L2-VNI %u",
- ifp->name, ifp->ifindex, vni);
-
- /*
- * Inform BGP if intf is up and mapped to
- * bridge.
- */
- if (if_is_operative(ifp) &&
- zif->brslave_info.br_if)
- zevpn_send_add_to_client(zevpn);
-
- /* Send Local MAC-entries to client */
- zebra_evpn_send_mac_list_to_client(zevpn);
-
- /* Send Loval Neighbor entries to client */
- zebra_evpn_send_neigh_to_client(zevpn);
- } else {
- zevpn = zevpn_add(vni);
- if (!zevpn) {
- zlog_debug(
- "Failed to add EVPN hash, IF %s(%u) L2-VNI %u",
- ifp->name, ifp->ifindex, vni);
- return;
- }
-
- if (zevpn->local_vtep_ip.s_addr !=
- vxl->vtep_ip.s_addr ||
- zevpn->mcast_grp.s_addr !=
- vxl->mcast_grp.s_addr) {
- zebra_vxlan_sg_deref(
- zevpn->local_vtep_ip,
- zevpn->mcast_grp);
- zebra_vxlan_sg_ref(vxl->vtep_ip,
- vxl->mcast_grp);
- zevpn->local_vtep_ip = vxl->vtep_ip;
- zevpn->mcast_grp = vxl->mcast_grp;
- /* on local vtep-ip check if ES
- * orig-ip needs to be updated
- */
- zebra_evpn_es_set_base_evpn(zevpn);
- }
- zevpn_vxlan_if_set(zevpn, ifp, true /* set */);
- vlan_if = zvni_map_to_svi(
- vxl->access_vlan,
- zif->brslave_info.br_if);
- if (vlan_if) {
- zevpn->vrf_id = vlan_if->vrf_id;
- zl3vni = zl3vni_from_vrf(
- vlan_if->vrf_id);
- if (zl3vni)
- listnode_add_sort(
- zl3vni->l2vnis, zevpn);
- }
-
- /*
- * Inform BGP if intf is up and mapped to
- * bridge.
- */
- if (if_is_operative(ifp) &&
- zif->brslave_info.br_if)
- zevpn_send_add_to_client(zevpn);
- }
- }
- }
-}
-
/*
* See if remote VTEP matches with prefix.
*/
-static int zevpn_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep)
+static int zebra_evpn_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep)
{
return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip));
}
/*
* Locate remote VTEP in EVPN hash table.
*/
-static zebra_vtep_t *zevpn_vtep_find(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
+zebra_vtep_t *zebra_evpn_vtep_find(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
{
zebra_vtep_t *zvtep;
return NULL;
for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
- if (zevpn_vtep_match(vtep_ip, zvtep))
+ if (zebra_evpn_vtep_match(vtep_ip, zvtep))
break;
}
/*
* Add remote VTEP to EVPN hash table.
*/
-static zebra_vtep_t *zevpn_vtep_add(zebra_evpn_t *zevpn, struct in_addr *vtep_ip,
- int flood_control)
+zebra_vtep_t *zebra_evpn_vtep_add(zebra_evpn_t *zevpn, struct in_addr *vtep_ip,
+ int flood_control)
{
zebra_vtep_t *zvtep;
/*
* Remove remote VTEP from EVPN hash table.
*/
-static int zevpn_vtep_del(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
+int zebra_evpn_vtep_del(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
{
if (zvtep->next)
zvtep->next->prev = zvtep->prev;
* Delete all remote VTEPs for this EVPN (upon VNI delete). Also
* uninstall from kernel if asked to.
*/
-static int zevpn_vtep_del_all(zebra_evpn_t *zevpn, int uninstall)
+int zebra_evpn_vtep_del_all(zebra_evpn_t *zevpn, int uninstall)
{
zebra_vtep_t *zvtep, *zvtep_next;
for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep_next) {
zvtep_next = zvtep->next;
if (uninstall)
- zevpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
- zevpn_vtep_del(zevpn, zvtep);
+ zebra_evpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
+ zebra_evpn_vtep_del(zevpn, zvtep);
}
return 0;
* Install remote VTEP into the kernel if the remote VTEP has asked
* for head-end-replication.
*/
-static int zevpn_vtep_install(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
+int zebra_evpn_vtep_install(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
{
if (is_vxlan_flooding_head_end() &&
(zvtep->flood_control == VXLAN_FLOOD_HEAD_END_REPL)) {
/*
* Uninstall remote VTEP from the kernel.
*/
-static int zevpn_vtep_uninstall(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
+int zebra_evpn_vtep_uninstall(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
{
if (!zevpn->vxlan_if) {
zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf",
* Install or uninstall flood entries in the kernel corresponding to
* remote VTEPs. This is invoked upon change to BUM handling.
*/
-static void zevpn_handle_flooding_remote_vteps(struct hash_bucket *bucket,
- void *zvrf)
+void zebra_evpn_handle_flooding_remote_vteps(struct hash_bucket *bucket,
+ void *zvrf)
{
zebra_evpn_t *zevpn;
zebra_vtep_t *zvtep;
for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
if (is_vxlan_flooding_head_end())
- zevpn_vtep_install(zevpn, zvtep);
+ zebra_evpn_vtep_install(zevpn, zvtep);
else
- zevpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
+ zebra_evpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
}
}
/*
* Cleanup EVPN/VTEP and update kernel
*/
-static void zevpn_cleanup_all(struct hash_bucket *bucket, void *arg)
+void zebra_evpn_cleanup_all(struct hash_bucket *bucket, void *arg)
{
zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_vrf *zvrf = (struct zebra_vrf *)arg;
zevpn = (zebra_evpn_t *)bucket->data;
- /* remove from l3-vni list */
- if (zvrf->l3vni)
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (zl3vni)
- listnode_delete(zl3vni->l2vnis, zevpn);
-
/* Free up all neighbors and MACs, if any. */
zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
/* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 1);
+ zebra_evpn_vtep_del_all(zevpn, 1);
/* Delete the hash entry. */
- zevpn_del(zevpn);
+ zebra_evpn_del(zevpn);
}
-/* cleanup L3VNI */
-static void zl3vni_cleanup_all(struct hash_bucket *bucket, void *args)
+static void
+zebra_evpn_process_sync_macip_add(zebra_evpn_t *zevpn, struct ethaddr *macaddr,
+ uint16_t ipa_len, struct ipaddr *ipaddr,
+ uint8_t flags, uint32_t seq, esi_t *esi)
{
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = (zebra_l3vni_t *)bucket->data;
-
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
-}
+ struct sync_mac_ip_ctx ctx;
+ char macbuf[ETHER_ADDR_STRLEN];
+ char ipbuf[INET6_ADDRSTRLEN];
+ bool sticky;
+ bool remote_gw;
+ zebra_neigh_t *n = NULL;
-static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe,
- const struct prefix *host)
-{
- struct host_rb_entry lookup;
- struct host_rb_entry *hle;
+ sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY);
+ remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW);
+ /* if sticky or remote-gw ignore updates from the peer */
+ if (sticky || remote_gw) {
+ if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_NEIGH
+ || IS_ZEBRA_DEBUG_EVPN_MH_MAC)
+ zlog_debug(
+ "Ignore sync-macip vni %u mac %s%s%s%s%s",
+ zevpn->vni,
+ prefix_mac2str(macaddr, macbuf, sizeof(macbuf)),
+ ipa_len ? " IP " : "",
+ ipa_len ? ipaddr2str(ipaddr, ipbuf,
+ sizeof(ipbuf))
+ : "",
+ sticky ? " sticky" : "",
+ remote_gw ? " remote_gw" : "");
+ return;
+ }
- memset(&lookup, 0, sizeof(lookup));
- memcpy(&lookup.p, host, sizeof(*host));
+ if (ipa_len) {
+ n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
+ if (n
+ && !zebra_evpn_neigh_is_bgp_seq_ok(zevpn, n, macaddr, seq))
+ return;
+ }
- hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup);
- if (hle)
+ memset(&ctx, 0, sizeof(ctx));
+ ctx.mac = zebra_evpn_proc_sync_mac_update(
+ zevpn, macaddr, ipa_len, ipaddr, flags, seq, esi, &ctx);
+ if (ctx.ignore_macip || !ctx.mac || !ipa_len)
return;
- hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry));
- memcpy(hle, &lookup, sizeof(lookup));
-
- RB_INSERT(host_rb_tree_entry, hrbe, hle);
+ zebra_evpn_proc_sync_neigh_update(zevpn, n, ipa_len, ipaddr, flags, seq,
+ esi, &ctx);
}
-static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host)
+/************************** remote mac-ip handling **************************/
+/* Process a remote MACIP add from BGP. */
+void process_remote_macip_add(vni_t vni, struct ethaddr *macaddr,
+ uint16_t ipa_len, struct ipaddr *ipaddr,
+ uint8_t flags, uint32_t seq,
+ struct in_addr vtep_ip, esi_t *esi)
{
- struct host_rb_entry lookup;
- struct host_rb_entry *hle;
-
- memset(&lookup, 0, sizeof(lookup));
- memcpy(&lookup.p, host, sizeof(*host));
+ zebra_evpn_t *zevpn;
+ zebra_vtep_t *zvtep;
+ zebra_mac_t *mac = NULL;
+ struct interface *ifp = NULL;
+ struct zebra_if *zif = NULL;
+ struct zebra_vrf *zvrf;
- hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup);
- if (hle) {
- RB_REMOVE(host_rb_tree_entry, hrbe, hle);
- XFREE(MTYPE_HOST_PREFIX, hle);
+ /* Locate EVPN hash entry - expected to exist. */
+ zevpn = zebra_evpn_lookup(vni);
+ if (!zevpn) {
+ zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni);
+ return;
}
- return;
-}
+ ifp = zevpn->vxlan_if;
+ if (ifp)
+ zif = ifp->info;
+ if (!ifp || !if_is_operative(ifp) || !zif || !zif->brslave_info.br_if) {
+ zlog_warn(
+ "Ignoring remote MACIP ADD VNI %u, invalid interface state or info",
+ vni);
+ return;
+ }
-/*
- * Look up MAC hash entry.
- */
-static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni,
- const struct ethaddr *rmac)
-{
- zebra_mac_t tmp;
- zebra_mac_t *pmac;
+ /* Type-2 routes from another PE can be interpreted as remote or
+ * SYNC based on the destination ES -
+ * SYNC - if ES is local
+ * REMOTE - if ES is not local
+ */
+ if (flags & ZEBRA_MACIP_TYPE_SYNC_PATH) {
+ zebra_evpn_process_sync_macip_add(zevpn, macaddr, ipa_len,
+ ipaddr, flags, seq, esi);
+ return;
+ }
- memset(&tmp, 0, sizeof(tmp));
- memcpy(&tmp.macaddr, rmac, ETH_ALEN);
- pmac = hash_lookup(zl3vni->rmac_table, &tmp);
-
- return pmac;
-}
-
-/*
- * Callback to allocate RMAC hash entry.
- */
-static void *zl3vni_rmac_alloc(void *p)
-{
- const zebra_mac_t *tmp_rmac = p;
- zebra_mac_t *zrmac;
-
- zrmac = XCALLOC(MTYPE_L3VNI_MAC, sizeof(zebra_mac_t));
- *zrmac = *tmp_rmac;
-
- return ((void *)zrmac);
-}
-
-/*
- * Add RMAC entry to l3-vni
- */
-static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni,
- const struct ethaddr *rmac)
-{
- zebra_mac_t tmp_rmac;
- zebra_mac_t *zrmac = NULL;
-
- memset(&tmp_rmac, 0, sizeof(zebra_mac_t));
- memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN);
- zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc);
- assert(zrmac);
-
- RB_INIT(host_rb_tree_entry, &zrmac->host_rb);
-
- SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE);
- SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC);
-
- return zrmac;
-}
-
-/*
- * Delete MAC entry.
- */
-static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac)
-{
- zebra_mac_t *tmp_rmac;
- struct host_rb_entry *hle;
-
- while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) {
- hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb);
-
- RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle);
- XFREE(MTYPE_HOST_PREFIX, hle);
- }
-
- tmp_rmac = hash_release(zl3vni->rmac_table, zrmac);
- XFREE(MTYPE_L3VNI_MAC, tmp_rmac);
-
- return 0;
-}
-
-/*
- * Install remote RMAC into the forwarding plane.
- */
-static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac)
-{
- const struct zebra_if *zif = NULL, *br_zif = NULL;
- const struct zebra_l2info_vxlan *vxl = NULL;
- const struct interface *br_ifp;
- enum zebra_dplane_result res;
- vlanid_t vid;
-
- if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE))
- || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC)))
- return 0;
-
- zif = zl3vni->vxlan_if->info;
- if (!zif)
- return -1;
-
- br_ifp = zif->brslave_info.br_if;
- if (br_ifp == NULL)
- return -1;
-
- vxl = &zif->l2info.vxl;
-
- br_zif = (const struct zebra_if *)br_ifp->info;
-
- if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif))
- vid = vxl->access_vlan;
- else
- vid = 0;
-
- res = dplane_rem_mac_add(zl3vni->vxlan_if, br_ifp, vid,
- &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0, 0,
- false /*was_static*/);
- if (res != ZEBRA_DPLANE_REQUEST_FAILURE)
- return 0;
- else
- return -1;
-}
-
-/*
- * Uninstall remote RMAC from the forwarding plane.
- */
-static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac)
-{
- char buf[ETHER_ADDR_STRLEN];
- const struct zebra_if *zif = NULL, *br_zif;
- const struct zebra_l2info_vxlan *vxl = NULL;
- const struct interface *br_ifp;
- vlanid_t vid;
- enum zebra_dplane_result res;
-
- if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE))
- || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC)))
- return 0;
-
- if (!zl3vni->vxlan_if) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if",
- prefix_mac2str(&zrmac->macaddr,
- buf, sizeof(buf)),
- zl3vni->vni, zl3vni);
- return -1;
- }
-
- zif = zl3vni->vxlan_if->info;
- if (!zif)
- return -1;
-
- br_ifp = zif->brslave_info.br_if;
- if (br_ifp == NULL)
- return -1;
-
- vxl = &zif->l2info.vxl;
-
- br_zif = (const struct zebra_if *)br_ifp->info;
- if (IS_ZEBRA_IF_BRIDGE_VLAN_AWARE(br_zif))
- vid = vxl->access_vlan;
- else
- vid = 0;
-
- res = dplane_rem_mac_del(zl3vni->vxlan_if, br_ifp, vid,
- &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip);
- if (res != ZEBRA_DPLANE_REQUEST_FAILURE)
- return 0;
- else
- return -1;
-}
-
-/* handle rmac add */
-static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni,
- const struct ethaddr *rmac,
- const struct ipaddr *vtep_ip,
- const struct prefix *host_prefix)
-{
- char buf[ETHER_ADDR_STRLEN];
- char buf1[INET6_ADDRSTRLEN];
- char buf2[PREFIX_STRLEN];
- zebra_mac_t *zrmac = NULL;
-
- zrmac = zl3vni_rmac_lookup(zl3vni, rmac);
- if (!zrmac) {
-
- /* Create the RMAC entry, or update its vtep, if necessary. */
- zrmac = zl3vni_rmac_add(zl3vni, rmac);
- if (!zrmac) {
- zlog_debug(
- "Failed to add RMAC %s L3VNI %u Remote VTEP %s, prefix %s",
- prefix_mac2str(rmac, buf, sizeof(buf)),
- zl3vni->vni,
- ipaddr2str(vtep_ip, buf1, sizeof(buf1)),
- prefix2str(host_prefix, buf2, sizeof(buf2)));
- return -1;
- }
- memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info));
- zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4;
-
- /* Send RMAC for FPM processing */
- hook_call(zebra_rmac_update, zrmac, zl3vni, false,
- "new RMAC added");
-
- /* install rmac in kernel */
- zl3vni_rmac_install(zl3vni, zrmac);
- } else if (!IPV4_ADDR_SAME(&zrmac->fwd_info.r_vtep_ip,
- &vtep_ip->ipaddr_v4)) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "L3VNI %u Remote VTEP change(%s -> %s) for RMAC %s, prefix %s",
- zl3vni->vni,
- inet_ntoa(zrmac->fwd_info.r_vtep_ip),
- ipaddr2str(vtep_ip, buf1, sizeof(buf1)),
- prefix_mac2str(rmac, buf, sizeof(buf)),
- prefix2str(host_prefix, buf2, sizeof(buf2)));
-
- zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4;
-
- /* install rmac in kernel */
- zl3vni_rmac_install(zl3vni, zrmac);
- }
-
- rb_find_or_add_host(&zrmac->host_rb, host_prefix);
-
- return 0;
-}
-
-
-/* handle rmac delete */
-static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac,
- struct prefix *host_prefix)
-{
- rb_delete_host(&zrmac->host_rb, host_prefix);
-
- if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) {
- /* uninstall from kernel */
- zl3vni_rmac_uninstall(zl3vni, zrmac);
-
- /* Send RMAC for FPM processing */
- hook_call(zebra_rmac_update, zrmac, zl3vni, true,
- "RMAC deleted");
-
- /* del the rmac entry */
- zl3vni_rmac_del(zl3vni, zrmac);
- }
-}
-
-/*
- * Look up nh hash entry on a l3-vni.
- */
-static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni,
- const struct ipaddr *ip)
-{
- zebra_neigh_t tmp;
- zebra_neigh_t *n;
-
- memset(&tmp, 0, sizeof(tmp));
- memcpy(&tmp.ip, ip, sizeof(struct ipaddr));
- n = hash_lookup(zl3vni->nh_table, &tmp);
-
- return n;
-}
-
-
-/*
- * Callback to allocate NH hash entry on L3-VNI.
- */
-static void *zl3vni_nh_alloc(void *p)
-{
- const zebra_neigh_t *tmp_n = p;
- zebra_neigh_t *n;
-
- n = XCALLOC(MTYPE_L3NEIGH, sizeof(zebra_neigh_t));
- *n = *tmp_n;
-
- return ((void *)n);
-}
-
-/*
- * Add neighbor entry.
- */
-static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni,
- const struct ipaddr *ip,
- const struct ethaddr *mac)
-{
- zebra_neigh_t tmp_n;
- zebra_neigh_t *n = NULL;
-
- memset(&tmp_n, 0, sizeof(zebra_neigh_t));
- memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr));
- n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc);
- assert(n);
-
- RB_INIT(host_rb_tree_entry, &n->host_rb);
-
- memcpy(&n->emac, mac, ETH_ALEN);
- SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE);
- SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH);
-
- return n;
-}
-
-/*
- * Delete neighbor entry.
- */
-static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n)
-{
- zebra_neigh_t *tmp_n;
- struct host_rb_entry *hle;
-
- while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) {
- hle = RB_ROOT(host_rb_tree_entry, &n->host_rb);
-
- RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle);
- XFREE(MTYPE_HOST_PREFIX, hle);
- }
-
- tmp_n = hash_release(zl3vni->nh_table, n);
- XFREE(MTYPE_L3NEIGH, tmp_n);
-
- return 0;
-}
-
-/*
- * Install remote nh as neigh into the kernel.
- */
-static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n)
-{
- uint8_t flags;
- int ret = 0;
-
- if (!is_l3vni_oper_up(zl3vni))
- return -1;
-
- if (!(n->flags & ZEBRA_NEIGH_REMOTE)
- || !(n->flags & ZEBRA_NEIGH_REMOTE_NH))
- return 0;
-
- flags = DPLANE_NTF_EXT_LEARNED;
- if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG)
- flags |= DPLANE_NTF_ROUTER;
-
- dplane_rem_neigh_add(zl3vni->svi_if, &n->ip, &n->emac, flags,
- false /*was_static*/);
-
- return ret;
-}
-
-/*
- * Uninstall remote nh from the kernel.
- */
-static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n)
-{
- if (!(n->flags & ZEBRA_NEIGH_REMOTE)
- || !(n->flags & ZEBRA_NEIGH_REMOTE_NH))
- return 0;
-
- if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if))
- return 0;
-
- dplane_rem_neigh_delete(zl3vni->svi_if, &n->ip);
-
- return 0;
-}
-
-/* add remote vtep as a neigh entry */
-static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni,
- const struct ipaddr *vtep_ip,
- const struct ethaddr *rmac,
- const struct prefix *host_prefix)
-{
- char buf[ETHER_ADDR_STRLEN];
- char buf1[ETHER_ADDR_STRLEN];
- char buf2[INET6_ADDRSTRLEN];
- char buf3[PREFIX_STRLEN];
- zebra_neigh_t *nh = NULL;
-
- /* Create the next hop entry, or update its mac, if necessary. */
- nh = zl3vni_nh_lookup(zl3vni, vtep_ip);
- if (!nh) {
- nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac);
- if (!nh) {
- zlog_debug(
- "Failed to add NH %s as Neigh (RMAC %s L3-VNI %u prefix %s)",
- ipaddr2str(vtep_ip, buf1, sizeof(buf2)),
- prefix_mac2str(rmac, buf, sizeof(buf)),
- zl3vni->vni,
- prefix2str(host_prefix, buf2, sizeof(buf2)));
- return -1;
- }
-
- /* install the nh neigh in kernel */
- zl3vni_nh_install(zl3vni, nh);
- } else if (memcmp(&nh->emac, rmac, ETH_ALEN) != 0) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("L3VNI %u RMAC change(%s --> %s) for nexthop %s, prefix %s",
- zl3vni->vni,
- prefix_mac2str(&nh->emac, buf, sizeof(buf)),
- prefix_mac2str(rmac, buf1, sizeof(buf1)),
- ipaddr2str(vtep_ip, buf2, sizeof(buf2)),
- prefix2str(host_prefix, buf3, sizeof(buf3)));
-
- memcpy(&nh->emac, rmac, ETH_ALEN);
- /* install (update) the nh neigh in kernel */
- zl3vni_nh_install(zl3vni, nh);
- }
-
- rb_find_or_add_host(&nh->host_rb, host_prefix);
-
- return 0;
-}
-
-/* handle nh neigh delete */
-static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh,
- struct prefix *host_prefix)
-{
- rb_delete_host(&nh->host_rb, host_prefix);
-
- if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) {
- /* uninstall from kernel */
- zl3vni_nh_uninstall(zl3vni, nh);
-
- /* delete the nh entry */
- zl3vni_nh_del(zl3vni, nh);
- }
-}
-
-/* handle neigh update from kernel - the only thing of interest is to
- * readd stale entries.
- */
-static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip,
- uint16_t state)
-{
-#ifdef GNU_LINUX
- zebra_neigh_t *n = NULL;
-
- n = zl3vni_nh_lookup(zl3vni, ip);
- if (!n)
- return 0;
-
- /* all next hop neigh are remote and installed by frr.
- * If the kernel has aged this entry, re-install.
- */
- if (state & NUD_STALE)
- zl3vni_nh_install(zl3vni, n);
-#endif
- return 0;
-}
-
-/* handle neigh delete from kernel */
-static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip)
-{
- zebra_neigh_t *n = NULL;
-
- n = zl3vni_nh_lookup(zl3vni, ip);
- if (!n)
- return 0;
-
- /* all next hop neigh are remote and installed by frr.
- * If we get an age out notification for these neigh entries, we have to
- * install it back
- */
- zl3vni_nh_install(zl3vni, n);
-
- return 0;
-}
-
-/*
- * Hash function for L3 VNI.
- */
-static unsigned int l3vni_hash_keymake(const void *p)
-{
- const zebra_l3vni_t *zl3vni = p;
-
- return jhash_1word(zl3vni->vni, 0);
-}
-
-/*
- * Compare 2 L3 VNI hash entries.
- */
-static bool l3vni_hash_cmp(const void *p1, const void *p2)
-{
- const zebra_l3vni_t *zl3vni1 = p1;
- const zebra_l3vni_t *zl3vni2 = p2;
-
- return (zl3vni1->vni == zl3vni2->vni);
-}
-
-/*
- * Callback to allocate L3 VNI hash entry.
- */
-static void *zl3vni_alloc(void *p)
-{
- zebra_l3vni_t *zl3vni = NULL;
- const zebra_l3vni_t *tmp_l3vni = p;
-
- zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t));
- zl3vni->vni = tmp_l3vni->vni;
- return ((void *)zl3vni);
-}
-
-/*
- * Look up L3 VNI hash entry.
- */
-static zebra_l3vni_t *zl3vni_lookup(vni_t vni)
-{
- zebra_l3vni_t tmp_l3vni;
- zebra_l3vni_t *zl3vni = NULL;
-
- memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t));
- tmp_l3vni.vni = vni;
- zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni);
-
- return zl3vni;
-}
-
-/*
- * Add L3 VNI hash entry.
- */
-static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id)
-{
- zebra_l3vni_t tmp_zl3vni;
- zebra_l3vni_t *zl3vni = NULL;
-
- memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t));
- tmp_zl3vni.vni = vni;
-
- zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc);
- assert(zl3vni);
-
- zl3vni->vrf_id = vrf_id;
- zl3vni->svi_if = NULL;
- zl3vni->vxlan_if = NULL;
- zl3vni->l2vnis = list_new();
- zl3vni->l2vnis->cmp = vni_list_cmp;
-
- /* Create hash table for remote RMAC */
- zl3vni->rmac_table = zebra_mac_db_create("Zebra L3-VNI RMAC-Table");
-
- /* Create hash table for neighbors */
- zl3vni->nh_table = zebra_neigh_db_create("Zebra L3-VNI next-hop table");
-
- return zl3vni;
-}
-
-/*
- * Delete L3 VNI hash entry.
- */
-static int zl3vni_del(zebra_l3vni_t *zl3vni)
-{
- zebra_l3vni_t *tmp_zl3vni;
-
- /* free the list of l2vnis */
- list_delete(&zl3vni->l2vnis);
- zl3vni->l2vnis = NULL;
-
- /* Free the rmac table */
- hash_free(zl3vni->rmac_table);
- zl3vni->rmac_table = NULL;
-
- /* Free the nh table */
- hash_free(zl3vni->nh_table);
- zl3vni->nh_table = NULL;
-
- /* Free the VNI hash entry and allocated memory. */
- tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni);
- XFREE(MTYPE_ZL3VNI, tmp_zl3vni);
-
- return 0;
-}
-
-struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni)
-{
- struct zebra_ns *zns = NULL;
- struct route_node *rn = NULL;
- struct interface *ifp = NULL;
-
- /* loop through all vxlan-interface */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
-
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
-
- ifp = (struct interface *)rn->info;
- if (!ifp)
- continue;
-
- zif = ifp->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VXLAN)
- continue;
-
- vxl = &zif->l2info.vxl;
- if (vxl->vni == zl3vni->vni) {
- zl3vni->local_vtep_ip = vxl->vtep_ip;
- return ifp;
- }
- }
-
- return NULL;
-}
-
-struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni)
-{
- struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */
- struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */
-
- if (!zl3vni)
- return NULL;
-
- if (!zl3vni->vxlan_if)
- return NULL;
-
- zif = zl3vni->vxlan_if->info;
- if (!zif)
- return NULL;
-
- vxl = &zif->l2info.vxl;
-
- return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if);
-}
-
-struct interface *zl3vni_map_to_mac_vlan_if(zebra_l3vni_t *zl3vni)
-{
- struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */
-
- if (!zl3vni)
- return NULL;
-
- if (!zl3vni->vxlan_if)
- return NULL;
-
- zif = zl3vni->vxlan_if->info;
- if (!zif)
- return NULL;
-
- return zevpn_map_to_macvlan(zif->brslave_info.br_if, zl3vni->svi_if);
-}
-
-
-zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id)
-{
- struct zebra_vrf *zvrf = NULL;
-
- zvrf = zebra_vrf_lookup_by_id(vrf_id);
- if (!zvrf)
- return NULL;
-
- return zl3vni_lookup(zvrf->l3vni);
-}
-
-/*
- * Map SVI and associated bridge to a VNI. This is invoked upon getting
- * neighbor notifications, to see if they are of interest.
- */
-static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp,
- struct interface *br_if)
-{
- int found = 0;
- vlanid_t vid = 0;
- uint8_t bridge_vlan_aware = 0;
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_ns *zns = NULL;
- struct route_node *rn = NULL;
- struct zebra_if *zif = NULL;
- struct interface *tmp_if = NULL;
- struct zebra_l2info_bridge *br = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
-
- if (!br_if)
- return NULL;
-
- /* Make sure the linked interface is a bridge. */
- if (!IS_ZEBRA_IF_BRIDGE(br_if))
- return NULL;
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
- br = &zif->l2info.br;
- bridge_vlan_aware = br->vlan_aware;
- if (bridge_vlan_aware) {
- struct zebra_l2info_vlan *vl;
-
- if (!IS_ZEBRA_IF_VLAN(ifp))
- return NULL;
-
- zif = ifp->info;
- assert(zif);
- vl = &zif->l2info.vl;
- vid = vl->vid;
- }
-
- /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
- /* TODO: Optimize with a hash. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- if (!tmp_if)
- continue;
- zif = tmp_if->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VXLAN)
- continue;
- if (!if_is_operative(tmp_if))
- continue;
- vxl = &zif->l2info.vxl;
-
- if (zif->brslave_info.br_if != br_if)
- continue;
-
- if (!bridge_vlan_aware || vxl->access_vlan == vid) {
- found = 1;
- break;
- }
- }
-
- if (!found)
- return NULL;
-
- zl3vni = zl3vni_lookup(vxl->vni);
- return zl3vni;
-}
-
-static inline void zl3vni_get_vrr_rmac(zebra_l3vni_t *zl3vni,
- struct ethaddr *rmac)
-{
- if (!zl3vni)
- return;
-
- if (!is_l3vni_oper_up(zl3vni))
- return;
-
- if (zl3vni->mac_vlan_if && if_is_operative(zl3vni->mac_vlan_if))
- memcpy(rmac->octet, zl3vni->mac_vlan_if->hw_addr, ETH_ALEN);
-}
-
-/*
- * Inform BGP about l3-vni.
- */
-static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni)
-{
- struct stream *s = NULL;
- struct zserv *client = NULL;
- struct ethaddr svi_rmac, vrr_rmac = {.octet = {0} };
- struct zebra_vrf *zvrf;
- char buf[ETHER_ADDR_STRLEN];
- char buf1[ETHER_ADDR_STRLEN];
- bool is_anycast_mac = true;
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
-
- zvrf = zebra_vrf_lookup_by_id(zl3vni->vrf_id);
- assert(zvrf);
-
- /* get the svi and vrr rmac values */
- memset(&svi_rmac, 0, sizeof(struct ethaddr));
- zl3vni_get_svi_rmac(zl3vni, &svi_rmac);
- zl3vni_get_vrr_rmac(zl3vni, &vrr_rmac);
-
- /* In absence of vrr mac use svi mac as anycast MAC value */
- if (is_zero_mac(&vrr_rmac)) {
- memcpy(&vrr_rmac, &svi_rmac, ETH_ALEN);
- is_anycast_mac = false;
- }
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- /* The message is used for both vni add and/or update like
- * vrr mac is added for l3vni SVI.
- */
- zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni));
- stream_putl(s, zl3vni->vni);
- stream_put(s, &svi_rmac, sizeof(struct ethaddr));
- stream_put_in_addr(s, &zl3vni->local_vtep_ip);
- stream_put(s, &zl3vni->filter, sizeof(int));
- stream_putl(s, zl3vni->svi_if->ifindex);
- stream_put(s, &vrr_rmac, sizeof(struct ethaddr));
- stream_putl(s, is_anycast_mac);
-
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Send L3_VNI_ADD %u VRF %s RMAC %s VRR %s local-ip %s filter %s to %s",
- zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)),
- prefix_mac2str(&svi_rmac, buf, sizeof(buf)),
- prefix_mac2str(&vrr_rmac, buf1, sizeof(buf1)),
- inet_ntoa(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);
-}
-
-/*
- * Inform BGP about local l3-VNI deletion.
- */
-static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni)
-{
- struct stream *s = NULL;
- struct zserv *client = NULL;
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni));
- stream_putl(s, zl3vni->vni);
-
- /* Write packet size. */
- 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,
- vrf_id_to_name(zl3vni_vrf_id(zl3vni)),
- zebra_route_string(client->proto));
-
- client->l3vnidel_cnt++;
- return zserv_send_message(client, s);
-}
-
-static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni)
-{
- if (!zl3vni)
- return;
-
- /* send l3vni add to BGP */
- zl3vni_send_add_to_client(zl3vni);
-}
-
-static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni)
-{
- if (!zl3vni)
- return;
-
- /* send l3-vni del to BGP*/
- zl3vni_send_del_to_client(zl3vni);
-}
-
-static void zevpn_add_to_l3vni_list(struct hash_bucket *bucket, void *ctxt)
-{
- zebra_evpn_t *zevpn = (zebra_evpn_t *)bucket->data;
- zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt;
-
- if (zevpn->vrf_id == zl3vni_vrf_id(zl3vni))
- listnode_add_sort(zl3vni->l2vnis, zevpn);
-}
-
-/*
- * handle transition of vni from l2 to l3 and vice versa
- */
-static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni,
- int add)
-{
- zebra_evpn_t *zevpn = NULL;
-
- /* There is a possibility that VNI notification was already received
- * from kernel and we programmed it as L2-VNI
- * In such a case we need to delete this L2-VNI first, so
- * that it can be reprogrammed as L3-VNI in the system. It is also
- * possible that the vrf-vni mapping is removed from FRR while the vxlan
- * interface is still present in kernel. In this case to keep it
- * symmetric, we will delete the l3-vni and reprogram it as l2-vni
- */
- if (add) {
- /* Locate hash entry */
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni);
-
- /* Delete EVPN from BGP. */
- zevpn_send_del_to_client(zevpn);
-
- zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH);
- zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC);
-
- /* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 0);
-
- /* Delete the hash entry. */
- if (zevpn_del(zevpn)) {
- flog_err(EC_ZEBRA_VNI_DEL_FAILED,
- "Failed to del EVPN hash %p, VNI %u", zevpn,
- zevpn->vni);
- return -1;
- }
- } else {
- /* TODO_MITESH: This needs to be thought through. We don't have
- * enough information at this point to reprogram the vni as
- * l2-vni. One way is to store the required info in l3-vni and
- * used it solely for this purpose
- */
- }
-
- return 0;
-}
-
-/* delete and uninstall rmac hash entry */
-static void zl3vni_del_rmac_hash_entry(struct hash_bucket *bucket, void *ctx)
-{
- zebra_mac_t *zrmac = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- zrmac = (zebra_mac_t *)bucket->data;
- zl3vni = (zebra_l3vni_t *)ctx;
- zl3vni_rmac_uninstall(zl3vni, zrmac);
-
- /* Send RMAC for FPM processing */
- hook_call(zebra_rmac_update, zrmac, zl3vni, true, "RMAC deleted");
-
- zl3vni_rmac_del(zl3vni, zrmac);
-}
-
-/* delete and uninstall nh hash entry */
-static void zl3vni_del_nh_hash_entry(struct hash_bucket *bucket, void *ctx)
-{
- zebra_neigh_t *n = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- n = (zebra_neigh_t *)bucket->data;
- zl3vni = (zebra_l3vni_t *)ctx;
- zl3vni_nh_uninstall(zl3vni, n);
- zl3vni_nh_del(zl3vni, n);
-}
-
-static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p,
- uint16_t cmd)
-{
- struct zserv *client = NULL;
- struct stream *s = NULL;
- char buf[PREFIX_STRLEN];
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- zclient_create_header(s, cmd, vrf_id);
- stream_put(s, p, sizeof(struct prefix));
-
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Send ip prefix %s %s on vrf %s",
- prefix2str(p, buf, sizeof(buf)),
- (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL",
- vrf_id_to_name(vrf_id));
-
- if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD)
- client->prefixadd_cnt++;
- else
- client->prefixdel_cnt++;
-
- return zserv_send_message(client, s);
-}
-
-/* re-add remote rmac if needed */
-static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni,
- struct ethaddr *rmac)
-{
- char buf[ETHER_ADDR_STRLEN];
- zebra_mac_t *zrmac = NULL;
-
- zrmac = zl3vni_rmac_lookup(zl3vni, rmac);
- if (!zrmac)
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del remote RMAC %s L3VNI %u - readd",
- prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni);
-
- zl3vni_rmac_install(zl3vni, zrmac);
- return 0;
-}
-
-static void zebra_vxlan_process_sync_macip_add(zebra_evpn_t *zevpn,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- uint8_t flags,
- uint32_t seq,
- esi_t *esi)
-{
- struct sync_mac_ip_ctx ctx;
- char macbuf[ETHER_ADDR_STRLEN];
- char ipbuf[INET6_ADDRSTRLEN];
- bool sticky;
- bool remote_gw;
- zebra_neigh_t *n = NULL;
-
- sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY);
- remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW);
- /* if sticky or remote-gw ignore updates from the peer */
- if (sticky || remote_gw) {
- if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_NEIGH ||
- IS_ZEBRA_DEBUG_EVPN_MH_MAC)
- zlog_debug("Ignore sync-macip vni %u mac %s%s%s%s%s",
- zevpn->vni,
- prefix_mac2str(macaddr, macbuf, sizeof(macbuf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(ipaddr, ipbuf, sizeof(ipbuf)) : "",
- sticky ? " sticky" : "",
- remote_gw ? " remote_gw" : "");
- return;
- }
-
- if (ipa_len) {
- n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
- if (n
- && !zebra_evpn_neigh_is_bgp_seq_ok(zevpn, n, macaddr, seq))
- return;
- }
-
- memset(&ctx, 0, sizeof(ctx));
- ctx.mac = zebra_evpn_proc_sync_mac_update(
- zevpn, macaddr, ipa_len, ipaddr, flags, seq, esi, &ctx);
- if (ctx.ignore_macip || !ctx.mac || !ipa_len)
- return;
-
- zebra_evpn_proc_sync_neigh_update(zevpn, n, ipa_len, ipaddr, flags, seq,
- esi, &ctx);
-}
-
-/************************** remote mac-ip handling **************************/
-/* Process a remote MACIP add from BGP. */
-static void process_remote_macip_add(vni_t vni,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- uint8_t flags,
- uint32_t seq,
- struct in_addr vtep_ip,
- esi_t *esi)
-{
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
- zebra_mac_t *mac = NULL;
- struct interface *ifp = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_vrf *zvrf;
-
- /* Locate EVPN hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (ifp)
- zif = ifp->info;
- if (!ifp ||
- !if_is_operative(ifp) ||
- !zif ||
- !zif->brslave_info.br_if) {
- zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info",
- vni);
- return;
- }
-
- /* Type-2 routes from another PE can be interpreted as remote or
- * SYNC based on the destination ES -
- * SYNC - if ES is local
- * REMOTE - if ES is not local
- */
- if (flags & ZEBRA_MACIP_TYPE_SYNC_PATH) {
- zebra_vxlan_process_sync_macip_add(zevpn, macaddr, ipa_len,
- ipaddr, flags, seq, esi);
- return;
- }
-
- /* The remote VTEP specified should normally exist, but it is
- * possible that when peering comes up, peer may advertise MACIP
- * routes before advertising type-3 routes.
- */
- if (vtep_ip.s_addr) {
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
- if (!zvtep) {
- zvtep = zevpn_vtep_add(zevpn, &vtep_ip,
- VXLAN_FLOOD_DISABLED);
- if (!zvtep) {
- flog_err(
- EC_ZEBRA_VTEP_ADD_FAILED,
- "Failed to add remote VTEP, VNI %u zevpn %p upon remote MACIP ADD",
- vni, zevpn);
- return;
- }
-
- zevpn_vtep_install(zevpn, zvtep);
- }
- }
-
- zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
- if (!zvrf)
- return;
-
-
- if (process_mac_remote_macip_add(zevpn, zvrf, macaddr, ipa_len, ipaddr,
- &mac, vtep_ip, flags, seq, esi)
- != 0)
- return;
-
- process_neigh_remote_macip_add(zevpn, zvrf, ipaddr, mac, vtep_ip, flags,
- seq);
-}
-
-/* Process a remote MACIP delete from BGP. */
-static void process_remote_macip_del(vni_t vni,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- struct in_addr vtep_ip)
-{
- zebra_evpn_t *zevpn;
- zebra_mac_t *mac = NULL;
- zebra_neigh_t *n = NULL;
- struct interface *ifp = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_ns *zns;
- struct zebra_l2info_vxlan *vxl;
- struct zebra_vrf *zvrf;
- char buf[ETHER_ADDR_STRLEN];
- char buf1[INET6_ADDRSTRLEN];
-
- /* Locate EVPN hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (ifp)
- zif = ifp->info;
- if (!ifp ||
- !if_is_operative(ifp) ||
- !zif ||
- !zif->brslave_info.br_if) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info",
- vni);
- return;
- }
- zns = zebra_ns_lookup(NS_DEFAULT);
- vxl = &zif->l2info.vxl;
-
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (ipa_len)
- n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
-
- if (n && !mac) {
- zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL",
- prefix_mac2str(macaddr, buf, sizeof(buf)),
- ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni);
- return;
- }
-
- /* 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)
- return;
-
- zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
-
- /* Ignore the delete if this mac is a gateway mac-ip */
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)
- && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) {
- zlog_warn(
- "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC",
- vni,
- prefix_mac2str(macaddr, buf, sizeof(buf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(ipaddr, buf1, sizeof(buf1)) : "");
- return;
- }
-
- /* Uninstall remote neighbor or MAC. */
- if (n)
- zebra_evpn_neigh_remote_uninstall(zevpn, zvrf, n, mac, ipaddr);
- else {
- /* DAD: when MAC is freeze state as remote learn event,
- * remote mac-ip delete event is received will result in freeze
- * entry removal, first fetch kernel for the same entry present
- * as LOCAL and reachable, avoid deleting this entry instead
- * use kerenel local entry to update during unfreeze time.
- */
- if (zvrf->dad_freeze &&
- CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) &&
- CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry",
- __func__,
- prefix_mac2str(macaddr, buf,
- sizeof(buf)),
- mac->flags);
- macfdb_read_specific_mac(zns, zif->brslave_info.br_if,
- macaddr, vxl->access_vlan);
- }
-
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) {
- if (!ipa_len)
- zebra_evpn_sync_mac_del(mac);
- } else if (CHECK_FLAG(mac->flags, ZEBRA_NEIGH_REMOTE)) {
- zebra_evpn_rem_mac_del(zevpn, mac);
- }
- }
-}
-
-
-/* Public functions */
-
-int is_l3vni_for_prefix_routes_only(vni_t vni)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = zl3vni_lookup(vni);
- if (!zl3vni)
- return 0;
-
- return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0;
-}
-
-/* handle evpn route in vrf table */
-void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, const struct ethaddr *rmac,
- const struct ipaddr *vtep_ip,
- const struct prefix *host_prefix)
-{
- zebra_l3vni_t *zl3vni = NULL;
- struct ipaddr ipv4_vtep;
-
- zl3vni = zl3vni_from_vrf(vrf_id);
- if (!zl3vni || !is_l3vni_oper_up(zl3vni))
- return;
-
- /*
- * add the next hop neighbor -
- * neigh to be installed is the ipv6 nexthop neigh
- */
- zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix);
-
- /*
- * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4
- * address. Rmac is programmed against the ipv4 vtep because we only
- * support ipv4 tunnels in the h/w right now
- */
- memset(&ipv4_vtep, 0, sizeof(struct ipaddr));
- ipv4_vtep.ipa_type = IPADDR_V4;
- if (vtep_ip->ipa_type == IPADDR_V6)
- ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6,
- &(ipv4_vtep.ipaddr_v4));
- else
- memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4,
- sizeof(struct in_addr));
-
- /*
- * add the rmac - remote rmac to be installed is against the ipv4
- * nexthop address
- */
- zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix);
-}
-
-/* handle evpn vrf route delete */
-void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id,
- struct ipaddr *vtep_ip,
- struct prefix *host_prefix)
-{
- zebra_l3vni_t *zl3vni = NULL;
- zebra_neigh_t *nh = NULL;
- zebra_mac_t *zrmac = NULL;
-
- zl3vni = zl3vni_from_vrf(vrf_id);
- if (!zl3vni)
- return;
-
- /* find the next hop entry and rmac entry */
- nh = zl3vni_nh_lookup(zl3vni, vtep_ip);
- if (!nh)
- return;
- zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac);
-
- /* delete the next hop entry */
- zl3vni_remote_nh_del(zl3vni, nh, host_prefix);
-
- /* delete the rmac entry */
- if (zrmac)
- zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix);
-
-}
-
-void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni,
- struct ethaddr *rmac, bool use_json)
-{
- zebra_l3vni_t *zl3vni = NULL;
- zebra_mac_t *zrmac = NULL;
- json_object *json = NULL;
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- zl3vni = zl3vni_lookup(l3vni);
- if (!zl3vni) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% L3-VNI %u doesn't exist\n", l3vni);
- return;
- }
-
- zrmac = zl3vni_rmac_lookup(zl3vni, rmac);
- if (!zrmac) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty,
- "%% Requested RMAC doesn't exist in L3-VNI %u",
- l3vni);
- return;
- }
-
- zl3vni_print_rmac(zrmac, vty, json);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json)
-{
- zebra_l3vni_t *zl3vni;
- uint32_t num_rmacs;
- struct rmac_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zl3vni = zl3vni_lookup(l3vni);
- if (!zl3vni) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni);
- return;
- }
- num_rmacs = hashcount(zl3vni->rmac_table);
- if (!num_rmacs)
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- memset(&wctx, 0, sizeof(struct rmac_walk_ctx));
- wctx.vty = vty;
- wctx.json = json;
- if (!use_json) {
- vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n",
- num_rmacs);
- vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP");
- } else
- json_object_int_add(json, "numRmacs", num_rmacs);
-
- hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json)
-{
- json_object *json = NULL;
- void *args[2];
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
- hash_iterate(zrouter.l3vni_table,
- (void (*)(struct hash_bucket *,
- void *))zl3vni_print_rmac_hash_all_vni,
- args);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni,
- struct ipaddr *ip, bool use_json)
-{
- zebra_l3vni_t *zl3vni = NULL;
- zebra_neigh_t *n = NULL;
- json_object *json = NULL;
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- zl3vni = zl3vni_lookup(l3vni);
- if (!zl3vni) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni);
- return;
- }
-
- n = zl3vni_nh_lookup(zl3vni, ip);
- if (!n) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty,
- "%% Requested next-hop not present for L3-VNI %u",
- l3vni);
- return;
- }
-
- zl3vni_print_nh(n, vty, json);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json)
-{
- uint32_t num_nh;
- struct nh_walk_ctx wctx;
- json_object *json = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zl3vni = zl3vni_lookup(l3vni);
- if (!zl3vni) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni);
- return;
- }
-
- num_nh = hashcount(zl3vni->nh_table);
- if (!num_nh)
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- wctx.vty = vty;
- wctx.json = json;
- if (!use_json) {
- vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n",
- num_nh);
- vty_out(vty, "%-15s %-17s\n", "IP", "RMAC");
- } else
- json_object_int_add(json, "numNextHops", num_nh);
-
- hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json)
-{
- json_object *json = NULL;
- void *args[2];
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
- hash_iterate(zrouter.l3vni_table,
- (void (*)(struct hash_bucket *,
- void *))zl3vni_print_nh_hash_all_vni,
- args);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display L3 VNI information (VTY command handler).
- */
-void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json)
-{
- void *args[2];
- json_object *json = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
-
- zl3vni = zl3vni_lookup(vni);
- if (!zl3vni) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
- zl3vni_print(zl3vni, (void *)args);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf,
- json_object *json_vrfs)
-{
- char buf[ETHER_ADDR_STRLEN];
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (!zl3vni)
- return;
-
- if (!json_vrfs) {
- vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n",
- zvrf_name(zvrf), zl3vni->vni,
- zl3vni_vxlan_if_name(zl3vni),
- zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni),
- zl3vni_rmac2str(zl3vni, buf, sizeof(buf)));
- } else {
- json_object *json_vrf = NULL;
-
- json_vrf = json_object_new_object();
- json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf));
- json_object_int_add(json_vrf, "vni", zl3vni->vni);
- json_object_string_add(json_vrf, "vxlanIntf",
- zl3vni_vxlan_if_name(zl3vni));
- json_object_string_add(json_vrf, "sviIntf",
- zl3vni_svi_if_name(zl3vni));
- json_object_string_add(json_vrf, "state",
- zl3vni_state2str(zl3vni));
- json_object_string_add(
- json_vrf, "routerMac",
- zl3vni_rmac2str(zl3vni, buf, sizeof(buf)));
- json_object_array_add(json_vrfs, json_vrf);
- }
-}
-
-/*
- * Display Neighbors for a VNI (VTY command handler).
- */
-void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf,
- vni_t vni, bool use_json)
-{
- zebra_evpn_t *zevpn;
- uint32_t num_neigh;
- struct neigh_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- num_neigh = hashcount(zevpn->neigh_table);
- if (!num_neigh)
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- /* Since we have IPv6 addresses to deal with which can vary widely in
- * size, we try to be a bit more elegant in display by first computing
- * the maximum width.
- */
- memset(&wctx, 0, sizeof(struct neigh_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.addr_width = 15;
- wctx.json = json;
- hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width,
- &wctx);
-
- if (!use_json) {
- vty_out(vty,
- "Number of ARPs (local and remote) known for this VNI: %u\n",
- num_neigh);
- zebra_evpn_print_neigh_hdr(vty, &wctx);
- } else
- json_object_int_add(json, "numArpNd", num_neigh);
-
- hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash, &wctx);
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display neighbors across all VNIs (VTY command handler).
- */
-void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf,
- bool print_dup, bool use_json)
-{
- json_object *json = NULL;
- void *args[3];
-
- if (!is_evpn_enabled())
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
- args[2] = (void *)(ptrdiff_t)print_dup;
-
- hash_iterate(zvrf->evpn_table,
- (void (*)(struct hash_bucket *,
- void *))zevpn_print_neigh_hash_all_evpn,
- args);
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display neighbors across all VNIs in detail(VTY command handler).
- */
-void zebra_vxlan_print_neigh_all_vni_detail(struct vty *vty,
- struct zebra_vrf *zvrf,
- bool print_dup, bool use_json)
-{
- json_object *json = NULL;
- void *args[3];
-
- if (!is_evpn_enabled())
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
- args[2] = (void *)(ptrdiff_t)print_dup;
-
- hash_iterate(zvrf->evpn_table,
- (void (*)(struct hash_bucket *,
- void *))zevpn_print_neigh_hash_all_evpn_detail,
- args);
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display specific neighbor for a VNI, if present (VTY command handler).
- */
-void zebra_vxlan_print_specific_neigh_vni(struct vty *vty,
- struct zebra_vrf *zvrf, vni_t vni,
- struct ipaddr *ip, bool use_json)
-{
- zebra_evpn_t *zevpn;
- zebra_neigh_t *n;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- n = zebra_evpn_neigh_lookup(zevpn, ip);
- if (!n) {
- if (!use_json)
- vty_out(vty,
- "%% Requested neighbor does not exist in VNI %u\n",
- vni);
- return;
- }
- if (use_json)
- json = json_object_new_object();
-
- zebra_evpn_print_neigh(n, vty, json);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display neighbors for a VNI from specific VTEP (VTY command handler).
- * By definition, these are remote neighbors.
- */
-void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf,
- vni_t vni, struct in_addr vtep_ip,
- bool use_json)
-{
- zebra_evpn_t *zevpn;
- uint32_t num_neigh;
- struct neigh_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- num_neigh = hashcount(zevpn->neigh_table);
- if (!num_neigh)
- return;
-
- memset(&wctx, 0, sizeof(struct neigh_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.addr_width = 15;
- wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP;
- wctx.r_vtep_ip = vtep_ip;
- wctx.json = json;
- hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width,
- &wctx);
- hash_iterate(zevpn->neigh_table, zebra_evpn_print_neigh_hash, &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display Duplicate detected Neighbors for a VNI
- * (VTY command handler).
- */
-void zebra_vxlan_print_neigh_vni_dad(struct vty *vty,
- struct zebra_vrf *zvrf,
- vni_t vni,
- bool use_json)
-{
- zebra_evpn_t *zevpn;
- uint32_t num_neigh;
- struct neigh_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
-
- num_neigh = hashcount(zevpn->neigh_table);
- if (!num_neigh)
- return;
-
- num_neigh = num_dup_detected_neighs(zevpn);
- if (!num_neigh)
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- /* Since we have IPv6 addresses to deal with which can vary widely in
- * size, we try to be a bit more elegant in display by first computing
- * the maximum width.
- */
- memset(&wctx, 0, sizeof(struct neigh_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.addr_width = 15;
- wctx.json = json;
- hash_iterate(zevpn->neigh_table, zebra_evpn_find_neigh_addr_width,
- &wctx);
-
- if (!use_json) {
- vty_out(vty,
- "Number of ARPs (local and remote) known for this VNI: %u\n",
- num_neigh);
- vty_out(vty, "%*s %-6s %-8s %-17s %-30s\n",
- -wctx.addr_width, "IP", "Type",
- "State", "MAC", "Remote ES/VTEP");
- } else
- json_object_int_add(json, "numArpNd", num_neigh);
-
- hash_iterate(zevpn->neigh_table, zebra_evpn_print_dad_neigh_hash,
- &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display MACs for a VNI (VTY command handler).
- */
-void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf,
- vni_t vni, bool use_json)
-{
- zebra_evpn_t *zevpn;
- uint32_t num_macs;
- struct mac_walk_ctx wctx;
- json_object *json = NULL;
- json_object *json_mac = NULL;
-
- if (!is_evpn_enabled())
- return;
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- num_macs = num_valid_macs(zevpn);
- if (!num_macs)
- return;
-
- if (use_json) {
- json = json_object_new_object();
- json_mac = json_object_new_object();
- }
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.json = json_mac;
-
- if (!use_json) {
- vty_out(vty,
- "Number of MACs (local and remote) known for this VNI: %u\n",
- num_macs);
- vty_out(vty,
- "Flags: N=sync-neighs, I=local-inactive, P=peer-active, X=peer-proxy\n");
- vty_out(vty, "%-17s %-6s %-5s %-30s %-5s %s\n", "MAC",
- "Type", "Flags", "Intf/Remote ES/VTEP",
- "VLAN", "Seq #'s");
- } else
- json_object_int_add(json, "numMacs", num_macs);
-
- hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, &wctx);
-
- if (use_json) {
- json_object_object_add(json, "macs", json_mac);
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display MACs for all VNIs (VTY command handler).
- */
-void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf,
- bool print_dup, bool use_json)
-{
- struct mac_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
- if (use_json)
- json = json_object_new_object();
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.vty = vty;
- wctx.json = json;
- wctx.print_dup = print_dup;
- hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn, &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display MACs in detail for all VNIs (VTY command handler).
- */
-void zebra_vxlan_print_macs_all_vni_detail(struct vty *vty,
- struct zebra_vrf *zvrf,
- bool print_dup, bool use_json)
-{
- struct mac_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled()) {
- if (use_json)
- vty_out(vty, "{}\n");
- return;
- }
- if (use_json)
- json = json_object_new_object();
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.vty = vty;
- wctx.json = json;
- wctx.print_dup = print_dup;
- hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn_detail,
- &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display MACs for all VNIs (VTY command handler).
- */
-void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty,
- struct zebra_vrf *zvrf,
- struct in_addr vtep_ip, bool use_json)
-{
- struct mac_walk_ctx wctx;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.vty = vty;
- wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP;
- wctx.r_vtep_ip = vtep_ip;
- wctx.json = json;
- hash_iterate(zvrf->evpn_table, zevpn_print_mac_hash_all_evpn, &wctx);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display specific MAC for a VNI, if present (VTY command handler).
- */
-void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf,
- vni_t vni, struct ethaddr *macaddr,
- bool use_json)
-{
- zebra_evpn_t *zevpn;
- zebra_mac_t *mac;
- json_object *json = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (!mac) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty,
- "%% Requested MAC does not exist in VNI %u\n",
- vni);
- return;
- }
-
- if (use_json)
- json = json_object_new_object();
-
- zebra_evpn_print_mac(mac, vty, json);
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/* Print Duplicate MACs per VNI */
-void zebra_vxlan_print_macs_vni_dad(struct vty *vty,
- struct zebra_vrf *zvrf,
- vni_t vni, bool use_json)
-{
- zebra_evpn_t *zevpn;
- struct mac_walk_ctx wctx;
- uint32_t num_macs;
- json_object *json = NULL;
- json_object *json_mac = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
-
- num_macs = num_valid_macs(zevpn);
- if (!num_macs)
- return;
-
- num_macs = num_dup_detected_macs(zevpn);
- if (!num_macs)
- return;
-
- if (use_json) {
- json = json_object_new_object();
- json_mac = json_object_new_object();
- }
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.json = json_mac;
-
- if (!use_json) {
- vty_out(vty,
- "Number of MACs (local and remote) known for this VNI: %u\n",
- num_macs);
- vty_out(vty, "%-17s %-6s %-5s %-30s %-5s\n", "MAC", "Type",
- "Flags", "Intf/Remote ES/VTEP", "VLAN");
- } else
- json_object_int_add(json, "numMacs", num_macs);
-
- hash_iterate(zevpn->mac_table, zebra_evpn_print_dad_mac_hash, &wctx);
-
- if (use_json) {
- json_object_object_add(json, "macs", json_mac);
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-
-}
-
-int zebra_vxlan_clear_dup_detect_vni_mac(struct zebra_vrf *zvrf, vni_t vni,
- struct ethaddr *macaddr)
-{
- zebra_evpn_t *zevpn;
- zebra_mac_t *mac;
- struct listnode *node = NULL;
- zebra_neigh_t *nbr = NULL;
-
- if (!is_evpn_enabled())
- return 0;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_warn("VNI %u does not exist\n", vni);
- return -1;
- }
-
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (!mac) {
- zlog_warn("Requested MAC does not exist in VNI %u\n", vni);
- return -1;
- }
-
- if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) {
- zlog_warn("Requested MAC is not duplicate detected\n");
- return -1;
- }
-
- /* Remove all IPs as duplicate associcated with this MAC */
- for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) {
- /* For local neigh mark inactive so MACIP update is generated
- * to BGP. This is a scenario where MAC update received
- * and detected as duplicate which marked neigh as duplicate.
- * Later local neigh update did not get a chance to relay
- * to BGP. Similarly remote macip update, neigh needs to be
- * installed locally.
- */
- if (zvrf->dad_freeze &&
- CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) {
- if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL))
- ZEBRA_NEIGH_SET_INACTIVE(nbr);
- else if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE))
- zebra_evpn_rem_neigh_install(
- zevpn, nbr, false /*was_static*/);
- }
-
- UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE);
- nbr->dad_count = 0;
- nbr->detect_start_time.tv_sec = 0;
- nbr->dad_dup_detect_time = 0;
- }
-
- UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE);
- mac->dad_count = 0;
- mac->detect_start_time.tv_sec = 0;
- mac->detect_start_time.tv_usec = 0;
- mac->dad_dup_detect_time = 0;
- THREAD_OFF(mac->dad_mac_auto_recovery_timer);
-
- /* warn-only action return */
- if (!zvrf->dad_freeze)
- return 0;
-
- /* Local: Notify Peer VTEPs, Remote: Install the entry */
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) {
- /* Inform to BGP */
- if (zebra_evpn_mac_send_add_to_client(zevpn->vni, &mac->macaddr,
- mac->flags, mac->loc_seq,
- mac->es))
- return 0;
-
- /* Process all neighbors associated with this MAC. */
- zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0,
- 0 /*es_change*/);
-
- } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) {
- zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac);
-
- /* Install the entry. */
- zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */);
- }
-
- return 0;
-}
-
-int zebra_vxlan_clear_dup_detect_vni_ip(struct zebra_vrf *zvrf, vni_t vni,
- struct ipaddr *ip)
-{
- zebra_evpn_t *zevpn;
- zebra_neigh_t *nbr;
- zebra_mac_t *mac;
- char buf[INET6_ADDRSTRLEN];
- char buf2[ETHER_ADDR_STRLEN];
-
- if (!is_evpn_enabled())
- return 0;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_debug("VNI %u does not exist\n", vni);
- return -1;
- }
-
- nbr = zebra_evpn_neigh_lookup(zevpn, ip);
- if (!nbr) {
- zlog_warn("Requested host IP does not exist in VNI %u\n", vni);
- return -1;
- }
-
- ipaddr2str(&nbr->ip, buf, sizeof(buf));
-
- if (!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE)) {
- zlog_warn("Requested host IP %s is not duplicate detected\n",
- buf);
- return -1;
- }
-
- mac = zebra_evpn_mac_lookup(zevpn, &nbr->emac);
-
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) {
- zlog_warn(
- "Requested IP's associated MAC %s is still in duplicate state\n",
- prefix_mac2str(&nbr->emac, buf2, sizeof(buf2)));
- return -1;
- }
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("%s: clear neigh %s in dup state, flags 0x%x seq %u",
- __func__, buf, nbr->flags, nbr->loc_seq);
-
- UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE);
- nbr->dad_count = 0;
- nbr->detect_start_time.tv_sec = 0;
- nbr->detect_start_time.tv_usec = 0;
- nbr->dad_dup_detect_time = 0;
- THREAD_OFF(nbr->dad_ip_auto_recovery_timer);
-
- if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)) {
- zebra_evpn_neigh_send_add_to_client(zevpn->vni, ip, &nbr->emac,
- nbr->mac, nbr->flags,
- nbr->loc_seq);
- } else if (!!CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_REMOTE)) {
- zebra_evpn_rem_neigh_install(zevpn, nbr, false /*was_static*/);
- }
-
- return 0;
-}
-
-static void zevpn_clear_dup_mac_hash(struct hash_bucket *bucket, void *ctxt)
-{
- struct mac_walk_ctx *wctx = ctxt;
- zebra_mac_t *mac;
- zebra_evpn_t *zevpn;
- struct listnode *node = NULL;
- zebra_neigh_t *nbr = NULL;
-
- mac = (zebra_mac_t *)bucket->data;
- if (!mac)
- return;
-
- zevpn = wctx->zevpn;
-
- if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE))
- return;
-
- UNSET_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE);
- mac->dad_count = 0;
- mac->detect_start_time.tv_sec = 0;
- mac->detect_start_time.tv_usec = 0;
- mac->dad_dup_detect_time = 0;
- THREAD_OFF(mac->dad_mac_auto_recovery_timer);
-
- /* Remove all IPs as duplicate associcated with this MAC */
- for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, nbr)) {
- if (CHECK_FLAG(nbr->flags, ZEBRA_NEIGH_LOCAL)
- && nbr->dad_count)
- ZEBRA_NEIGH_SET_INACTIVE(nbr);
-
- UNSET_FLAG(nbr->flags, ZEBRA_NEIGH_DUPLICATE);
- nbr->dad_count = 0;
- nbr->detect_start_time.tv_sec = 0;
- nbr->dad_dup_detect_time = 0;
- }
-
- /* Local: Notify Peer VTEPs, Remote: Install the entry */
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) {
- /* Inform to BGP */
- if (zebra_evpn_mac_send_add_to_client(zevpn->vni, &mac->macaddr,
- mac->flags, mac->loc_seq,
- mac->es))
- return;
-
- /* Process all neighbors associated with this MAC. */
- zebra_evpn_process_neigh_on_local_mac_change(zevpn, mac, 0,
- 0 /*es_change*/);
-
- } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) {
- zebra_evpn_process_neigh_on_remote_mac_add(zevpn, mac);
-
- /* Install the entry. */
- zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */);
- }
-}
-
-static void zevpn_clear_dup_detect_hash_vni_all(struct hash_bucket *bucket,
- void **args)
-{
- zebra_evpn_t *zevpn;
- struct zebra_vrf *zvrf;
- struct mac_walk_ctx m_wctx;
- struct neigh_walk_ctx n_wctx;
-
- zevpn = (zebra_evpn_t *)bucket->data;
- if (!zevpn)
- return;
-
- zvrf = (struct zebra_vrf *)args[0];
-
- if (hashcount(zevpn->neigh_table)) {
- memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
- n_wctx.zevpn = zevpn;
- n_wctx.zvrf = zvrf;
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_clear_dup_neigh_hash, &n_wctx);
- }
-
- if (num_valid_macs(zevpn)) {
- memset(&m_wctx, 0, sizeof(struct mac_walk_ctx));
- m_wctx.zevpn = zevpn;
- m_wctx.zvrf = zvrf;
- hash_iterate(zevpn->mac_table, zevpn_clear_dup_mac_hash, &m_wctx);
- }
-
-}
-
-int zebra_vxlan_clear_dup_detect_vni_all(struct zebra_vrf *zvrf)
-{
- void *args[1];
-
- if (!is_evpn_enabled())
- return 0;
-
- args[0] = zvrf;
-
- hash_iterate(zvrf->evpn_table,
- (void (*)(struct hash_bucket *, void *))
- zevpn_clear_dup_detect_hash_vni_all, args);
-
- return 0;
-}
-
-int zebra_vxlan_clear_dup_detect_vni(struct zebra_vrf *zvrf, vni_t vni)
-{
- zebra_evpn_t *zevpn;
- struct mac_walk_ctx m_wctx;
- struct neigh_walk_ctx n_wctx;
-
- if (!is_evpn_enabled())
- return 0;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_warn("VNI %u does not exist\n", vni);
- return CMD_WARNING;
- }
-
- if (hashcount(zevpn->neigh_table)) {
- memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
- n_wctx.zevpn = zevpn;
- n_wctx.zvrf = zvrf;
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_clear_dup_neigh_hash, &n_wctx);
- }
-
- if (num_valid_macs(zevpn)) {
- memset(&m_wctx, 0, sizeof(struct mac_walk_ctx));
- m_wctx.zevpn = zevpn;
- m_wctx.zvrf = zvrf;
- hash_iterate(zevpn->mac_table, zevpn_clear_dup_mac_hash, &m_wctx);
- }
-
- return 0;
-}
-
-/*
- * Display MACs for a VNI from specific VTEP (VTY command handler).
- */
-void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf,
- vni_t vni, struct in_addr vtep_ip,
- bool use_json)
-{
- zebra_evpn_t *zevpn;
- uint32_t num_macs;
- struct mac_walk_ctx wctx;
- json_object *json = NULL;
- json_object *json_mac = NULL;
-
- if (!is_evpn_enabled())
- return;
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (use_json)
- vty_out(vty, "{}\n");
- else
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- return;
- }
- num_macs = num_valid_macs(zevpn);
- if (!num_macs)
- return;
-
- if (use_json) {
- json = json_object_new_object();
- json_mac = json_object_new_object();
- }
-
- memset(&wctx, 0, sizeof(struct mac_walk_ctx));
- wctx.zevpn = zevpn;
- wctx.vty = vty;
- wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP;
- wctx.r_vtep_ip = vtep_ip;
- wctx.json = json_mac;
- hash_iterate(zevpn->mac_table, zebra_evpn_print_mac_hash, &wctx);
-
- if (use_json) {
- json_object_int_add(json, "numMacs", wctx.count);
- if (wctx.count)
- json_object_object_add(json, "macs", json_mac);
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-
-/*
- * Display VNI information (VTY command handler).
- *
- * use_json flag indicates that output should be in JSON format.
- * json_array is non NULL when JSON output needs to be aggregated (by the
- * caller) and then printed, otherwise, JSON evpn vni info is printed
- * right away.
- */
-void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni,
- bool use_json, json_object *json_array)
-{
- json_object *json = NULL;
- void *args[2];
- zebra_l3vni_t *zl3vni = NULL;
- zebra_evpn_t *zevpn = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- if (use_json)
- json = json_object_new_object();
-
- args[0] = vty;
- args[1] = json;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
- zl3vni_print(zl3vni, (void *)args);
- } else {
- zevpn = zevpn_lookup(vni);
- if (zevpn)
- zevpn_print(zevpn, (void *)args);
- else if (!json)
- vty_out(vty, "%% VNI %u does not exist\n", vni);
- }
-
- if (use_json) {
- /*
- * Each "json" object contains info about 1 VNI.
- * When "json_array" is non-null, we aggreggate the json output
- * into json_array and print it as a JSON array.
- */
- if (json_array)
- json_object_array_add(json_array, json);
- else {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
- }
-}
-
-/* Display all global details for EVPN */
-void zebra_vxlan_print_evpn(struct vty *vty, bool uj)
-{
- int num_l2vnis = 0;
- int num_l3vnis = 0;
- int num_vnis = 0;
- json_object *json = NULL;
- struct zebra_vrf *zvrf = NULL;
-
- if (!is_evpn_enabled())
- return;
-
- zvrf = zebra_vrf_get_evpn();
- if (!zvrf)
- return;
-
- num_l3vnis = hashcount(zrouter.l3vni_table);
- num_l2vnis = hashcount(zvrf->evpn_table);
- num_vnis = num_l2vnis + num_l3vnis;
-
- if (uj) {
- json = json_object_new_object();
- json_object_string_add(json, "advertiseGatewayMacip",
- zvrf->advertise_gw_macip ? "Yes" : "No");
- json_object_int_add(json, "numVnis", num_vnis);
- json_object_int_add(json, "numL2Vnis", num_l2vnis);
- json_object_int_add(json, "numL3Vnis", num_l3vnis);
- if (zvrf->dup_addr_detect)
- json_object_boolean_true_add(json,
- "isDuplicateAddrDetection");
- else
- json_object_boolean_false_add(json,
- "isDuplicateAddrDetection");
- json_object_int_add(json, "maxMoves", zvrf->dad_max_moves);
- json_object_int_add(json, "detectionTime", zvrf->dad_time);
- json_object_int_add(json, "detectionFreezeTime",
- zvrf->dad_freeze_time);
-
- } else {
- vty_out(vty, "L2 VNIs: %u\n", num_l2vnis);
- vty_out(vty, "L3 VNIs: %u\n", num_l3vnis);
- vty_out(vty, "Advertise gateway mac-ip: %s\n",
- zvrf->advertise_gw_macip ? "Yes" : "No");
- vty_out(vty, "Advertise svi mac-ip: %s\n",
- zvrf->advertise_svi_macip ? "Yes" : "No");
- vty_out(vty, "Duplicate address detection: %s\n",
- zvrf->dup_addr_detect ? "Enable" : "Disable");
- vty_out(vty, " Detection max-moves %u, time %d\n",
- zvrf->dad_max_moves, zvrf->dad_time);
- if (zvrf->dad_freeze) {
- if (zvrf->dad_freeze_time)
- vty_out(vty, " Detection freeze %u\n",
- zvrf->dad_freeze_time);
- else
- vty_out(vty, " Detection freeze %s\n",
- "permanent");
- }
- }
-
- if (uj) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-/*
- * Display VNI hash table (VTY command handler).
- */
-void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf,
- bool use_json)
-{
- json_object *json = NULL;
- void *args[2];
-
- if (!is_evpn_enabled())
- return;
-
- if (use_json)
- json = json_object_new_object();
- else
- vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI",
- "Type", "VxLAN IF", "# MACs", "# ARPs",
- "# Remote VTEPs", "Tenant VRF");
-
- args[0] = vty;
- args[1] = json;
-
- /* Display all L2-VNIs */
- hash_iterate(zvrf->evpn_table,
- (void (*)(struct hash_bucket *, void *))zevpn_print_hash,
- args);
-
- /* Display all L3-VNIs */
- hash_iterate(zrouter.l3vni_table,
- (void (*)(struct hash_bucket *, void *))zl3vni_print_hash,
- args);
-
- if (use_json) {
- vty_out(vty, "%s\n", json_object_to_json_string_ext(
- json, JSON_C_TO_STRING_PRETTY));
- json_object_free(json);
- }
-}
-
-void zebra_vxlan_dup_addr_detection(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- int time = 0;
- uint32_t max_moves = 0;
- uint32_t freeze_time = 0;
- bool dup_addr_detect = false;
- bool freeze = false;
-
- s = msg;
- STREAM_GETL(s, dup_addr_detect);
- STREAM_GETL(s, time);
- STREAM_GETL(s, max_moves);
- STREAM_GETL(s, freeze);
- STREAM_GETL(s, freeze_time);
-
- /* DAD previous state was enabled, and new state is disable,
- * clear all duplicate detected addresses.
- */
- if (zvrf->dup_addr_detect && !dup_addr_detect)
- zebra_vxlan_clear_dup_detect_vni_all(zvrf);
-
- zvrf->dup_addr_detect = dup_addr_detect;
- zvrf->dad_time = time;
- zvrf->dad_max_moves = max_moves;
- zvrf->dad_freeze = freeze;
- zvrf->dad_freeze_time = freeze_time;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "VRF %s duplicate detect %s max_moves %u timeout %u freeze %s freeze_time %u",
- vrf_id_to_name(zvrf->vrf->vrf_id),
- zvrf->dup_addr_detect ? "enable" : "disable",
- zvrf->dad_max_moves,
- zvrf->dad_time,
- zvrf->dad_freeze ? "enable" : "disable",
- zvrf->dad_freeze_time);
-
-stream_failure:
- return;
-}
-
-/*
- * Display VNI hash table in detail(VTY command handler).
- */
-void zebra_vxlan_print_vnis_detail(struct vty *vty, struct zebra_vrf *zvrf,
- bool use_json)
-{
- json_object *json_array = NULL;
- struct zebra_ns *zns = NULL;
- struct zevpn_show zes;
-
- if (!is_evpn_enabled())
- return;
-
- zns = zebra_ns_lookup(NS_DEFAULT);
- if (!zns)
- return;
-
- if (use_json)
- json_array = json_object_new_array();
-
- zes.vty = vty;
- zes.json = json_array;
- zes.zvrf = zvrf;
- zes.use_json = use_json;
-
- /* Display all L2-VNIs */
- hash_iterate(
- zvrf->evpn_table,
- (void (*)(struct hash_bucket *, void *))zevpn_print_hash_detail,
- &zes);
-
- /* Display all L3-VNIs */
- hash_iterate(zrouter.l3vni_table,
- (void (*)(struct hash_bucket *,
- void *))zl3vni_print_hash_detail,
- &zes);
-
- if (use_json) {
- vty_out(vty, "%s\n",
- json_object_to_json_string_ext(
- json_array, JSON_C_TO_STRING_PRETTY));
- json_object_free(json_array);
- }
-}
-
-/*
- * Handle neighbor delete notification from the kernel (on a VLAN device
- * / L3 interface). This may result in either the neighbor getting deleted
- * from our database or being re-added to the kernel (if it is a valid
- * remote neighbor).
- */
-int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp,
- struct interface *link_if,
- struct ipaddr *ip)
-{
- char buf[INET6_ADDRSTRLEN];
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* check if this is a remote neigh entry corresponding to remote
- * next-hop
- */
- zl3vni = zl3vni_from_svi(ifp, link_if);
- if (zl3vni)
- return zl3vni_local_nh_del(zl3vni, ip);
-
- /* We are only interested in neighbors on an SVI that resides on top
- * of a VxLAN bridge.
- */
- zevpn = zevpn_from_svi(ifp, link_if);
- if (!zevpn) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "%s: Del neighbor %s EVPN is not present for interface %s",
- __func__, ipaddr2str(ip, buf, sizeof(buf)),
- ifp->name);
- return 0;
- }
-
- if (!zevpn->vxlan_if) {
- zlog_debug(
- "VNI %u hash %p doesn't have intf upon local neighbor DEL",
- zevpn->vni, zevpn);
- return -1;
- }
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u",
- ipaddr2str(ip, buf, sizeof(buf)), ifp->name,
- ifp->ifindex, zevpn->vni);
-
- return zebra_evpn_neigh_del_ip(zevpn, ip);
-}
-
-/*
- * Handle neighbor add or update notification from the kernel (on a VLAN
- * device / L3 interface). This is typically for a local neighbor but can
- * also be for a remote neighbor (e.g., ageout notification). It could
- * also be a "move" scenario.
- */
-int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp,
- struct interface *link_if,
- struct ipaddr *ip,
- struct ethaddr *macaddr,
- uint16_t state,
- bool is_ext,
- bool is_router,
- bool local_inactive, bool dp_static)
-{
- char buf[ETHER_ADDR_STRLEN];
- char buf2[INET6_ADDRSTRLEN];
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* check if this is a remote neigh entry corresponding to remote
- * next-hop
- */
- zl3vni = zl3vni_from_svi(ifp, link_if);
- if (zl3vni)
- return zl3vni_local_nh_add_update(zl3vni, ip, state);
-
- /* We are only interested in neighbors on an SVI that resides on top
- * of a VxLAN bridge.
- */
- zevpn = zevpn_from_svi(ifp, link_if);
- if (!zevpn)
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_NEIGH)
- zlog_debug(
- "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s%s%s-> L2-VNI %u",
- ipaddr2str(ip, buf2, sizeof(buf2)),
- prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name,
- ifp->ifindex, state, is_ext ? "ext-learned " : "",
- is_router ? "router " : "",
- local_inactive ? "local_inactive " : "",
- zevpn->vni);
-
- /* Is this about a local neighbor or a remote one? */
- if (!is_ext)
- return zebra_evpn_local_neigh_update(zevpn, ifp, ip, macaddr,
- is_router, local_inactive,
- dp_static);
-
- return zebra_evpn_remote_neigh_update(zevpn, ifp, ip, macaddr, state);
-}
-
-static int32_t
-zebra_vxlan_remote_macip_helper(bool add, struct stream *s, vni_t *vni,
- struct ethaddr *macaddr, uint16_t *ipa_len,
- struct ipaddr *ip, struct in_addr *vtep_ip,
- uint8_t *flags, uint32_t *seq, esi_t *esi)
-{
- uint16_t l = 0;
-
- /*
- * Obtain each remote MACIP and process.
- * Message contains VNI, followed by MAC followed by IP (if any)
- * followed by remote VTEP IP.
- */
- memset(ip, 0, sizeof(*ip));
- STREAM_GETL(s, *vni);
- STREAM_GET(macaddr->octet, s, ETH_ALEN);
- STREAM_GETL(s, *ipa_len);
-
- if (*ipa_len) {
- if (*ipa_len == IPV4_MAX_BYTELEN)
- ip->ipa_type = IPADDR_V4;
- else if (*ipa_len == IPV6_MAX_BYTELEN)
- ip->ipa_type = IPADDR_V6;
- else {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "ipa_len *must* be %d or %d bytes in length not %d",
- IPV4_MAX_BYTELEN, IPV6_MAX_BYTELEN,
- *ipa_len);
- goto stream_failure;
- }
-
- STREAM_GET(&ip->ip.addr, s, *ipa_len);
- }
- l += 4 + ETH_ALEN + 4 + *ipa_len;
- STREAM_GET(&vtep_ip->s_addr, s, IPV4_MAX_BYTELEN);
- l += IPV4_MAX_BYTELEN;
-
- if (add) {
- STREAM_GETC(s, *flags);
- STREAM_GETL(s, *seq);
- l += 5;
- STREAM_GET(esi, s, sizeof(esi_t));
- l += sizeof(esi_t);
- }
-
- return l;
-
-stream_failure:
- return -1;
-}
-
-/*
- * Handle message from client to delete a remote MACIP for a VNI.
- */
-void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- vni_t vni;
- struct ethaddr macaddr;
- struct ipaddr ip;
- struct in_addr vtep_ip;
- uint16_t l = 0, ipa_len;
- char buf[ETHER_ADDR_STRLEN];
- char buf1[INET6_ADDRSTRLEN];
-
- memset(&macaddr, 0, sizeof(struct ethaddr));
- memset(&ip, 0, sizeof(struct ipaddr));
- memset(&vtep_ip, 0, sizeof(struct in_addr));
-
- s = msg;
-
- while (l < hdr->length) {
- int res_length = zebra_vxlan_remote_macip_helper(
- false, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip, NULL,
- NULL, NULL);
-
- if (res_length == -1)
- goto stream_failure;
-
- l += res_length;
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s",
- vni,
- prefix_mac2str(&macaddr, buf, sizeof(buf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(&ip, buf1, sizeof(buf1)) : "",
- inet_ntoa(vtep_ip),
- zebra_route_string(client->proto));
-
- process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip);
- }
-
-stream_failure:
- return;
-}
-
-/*
- * Handle message from client to add a remote MACIP for a VNI. This
- * could be just the add of a MAC address or the add of a neighbor
- * (IP+MAC).
- */
-void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- vni_t vni;
- struct ethaddr macaddr;
- struct ipaddr ip;
- struct in_addr vtep_ip;
- uint16_t l = 0, ipa_len;
- uint8_t flags = 0;
- uint32_t seq;
- char buf[ETHER_ADDR_STRLEN];
- char buf1[INET6_ADDRSTRLEN];
- esi_t esi;
- char esi_buf[ESI_STR_LEN];
-
- memset(&macaddr, 0, sizeof(struct ethaddr));
- memset(&ip, 0, sizeof(struct ipaddr));
- memset(&vtep_ip, 0, sizeof(struct in_addr));
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("EVPN not enabled, ignoring remote MACIP ADD");
- return;
- }
-
- s = msg;
-
- while (l < hdr->length) {
- int res_length = zebra_vxlan_remote_macip_helper(
- true, s, &vni, &macaddr, &ipa_len, &ip, &vtep_ip,
- &flags, &seq, &esi);
-
- if (res_length == -1)
- goto stream_failure;
-
- l += res_length;
- if (IS_ZEBRA_DEBUG_VXLAN) {
- if (memcmp(&esi, zero_esi, sizeof(esi_t)))
- esi_to_str(&esi, esi_buf, sizeof(esi_buf));
- else
- strcpy(esi_buf, "-");
- zlog_debug(
- "Recv %sMACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s ESI %s from %s",
- (flags & ZEBRA_MACIP_TYPE_SYNC_PATH) ?
- "sync-" : "",
- vni,
- prefix_mac2str(&macaddr, buf, sizeof(buf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(&ip, buf1, sizeof(buf1)) : "",
- flags, seq, inet_ntoa(vtep_ip), esi_buf,
- zebra_route_string(client->proto));
- }
-
- process_remote_macip_add(vni, &macaddr, ipa_len, &ip,
- flags, seq, vtep_ip, &esi);
- }
-
-stream_failure:
- return;
-}
-
-/*
- * Handle remote vtep delete by kernel; re-add the vtep if we have it
- */
-int zebra_vxlan_check_readd_vtep(struct interface *ifp,
- struct in_addr vtep_ip)
-{
- struct zebra_if *zif;
- struct zebra_vrf *zvrf = NULL;
- struct zebra_l2info_vxlan *vxl;
- vni_t vni;
- zebra_evpn_t *zevpn = NULL;
- zebra_vtep_t *zvtep = NULL;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- /* If EVPN is not enabled, nothing to do. */
- if (!is_evpn_enabled())
- return 0;
-
- /* Locate VRF corresponding to interface. */
- zvrf = vrf_info_lookup(ifp->vrf_id);
- if (!zvrf)
- return -1;
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return 0;
-
- /* If the remote vtep entry doesn't exists nothing to do */
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
- if (!zvtep)
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Del MAC for remote VTEP %s intf %s(%u) VNI %u - readd",
- inet_ntoa(vtep_ip), ifp->name, ifp->ifindex, vni);
-
- zevpn_vtep_install(zevpn, zvtep);
- return 0;
-}
-
-/*
- * Handle notification of MAC add/update over VxLAN. If the kernel is notifying
- * us, this must involve a multihoming scenario. Treat this as implicit delete
- * of any prior local MAC.
- */
-int zebra_vxlan_check_del_local_mac(struct interface *ifp,
- struct interface *br_if,
- struct ethaddr *macaddr, vlanid_t vid)
-{
- struct zebra_if *zif;
- struct zebra_l2info_vxlan *vxl;
- vni_t vni;
- zebra_evpn_t *zevpn;
- zebra_mac_t *mac;
- char buf[ETHER_ADDR_STRLEN];
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return 0;
-
- /* If entry doesn't exist, nothing to do. */
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (!mac)
- return 0;
-
- /* Is it a local entry? */
- if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL))
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Add/update remote MAC %s intf %s(%u) VNI %u flags 0x%x - del local",
- prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name,
- ifp->ifindex, vni, mac->flags);
-
- /* Remove MAC from BGP. */
- zebra_evpn_mac_send_del_to_client(zevpn->vni, macaddr, mac->flags,
- false /* force */);
-
- /*
- * If there are no neigh associated with the mac delete the mac
- * else mark it as AUTO for forward reference
- */
- if (!listcount(mac->neigh_list)) {
- zebra_evpn_mac_del(zevpn, mac);
- } else {
- UNSET_FLAG(mac->flags, ZEBRA_MAC_ALL_LOCAL_FLAGS);
- UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY);
- SET_FLAG(mac->flags, ZEBRA_MAC_AUTO);
- }
-
- return 0;
-}
-
-/*
- * Handle remote MAC delete by kernel; readd the remote MAC if we have it.
- * This can happen because the remote MAC entries are also added as "dynamic",
- * so the kernel can ageout the entry.
- */
-int zebra_vxlan_check_readd_remote_mac(struct interface *ifp,
- struct interface *br_if,
- struct ethaddr *macaddr, vlanid_t vid)
-{
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- vni_t vni;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- zebra_mac_t *mac = NULL;
- char buf[ETHER_ADDR_STRLEN];
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- /* check if this is a remote RMAC and readd simillar to remote macs */
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni)
- return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr);
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return 0;
-
- /* If entry doesn't exist, nothing to do. */
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (!mac)
- return 0;
-
- /* Is it a remote entry? */
- if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE))
- return 0;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd",
- prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name,
- ifp->ifindex, vni);
-
- zebra_evpn_rem_mac_install(zevpn, mac, false /* was_static */);
- return 0;
-}
-
-/*
- * Handle local MAC delete (on a port or VLAN corresponding to this VNI).
- */
-int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if,
- struct ethaddr *macaddr, vlanid_t vid)
-{
- zebra_evpn_t *zevpn;
-
- /* We are interested in MACs only on ports or (port, VLAN) that
- * map to a VNI.
- */
- zevpn = zevpn_map_vlan(ifp, br_if, vid);
- if (!zevpn)
- return 0;
- if (!zevpn->vxlan_if) {
- zlog_debug(
- "VNI %u hash %p doesn't have intf upon local MAC DEL",
- zevpn->vni, zevpn);
- return -1;
- }
-
- return zebra_evpn_del_local_mac(zevpn, macaddr, ifp);
-}
-
-/*
- * Handle local MAC add (on a port or VLAN corresponding to this VNI).
- */
-int zebra_vxlan_local_mac_add_update(struct interface *ifp,
- struct interface *br_if,
- struct ethaddr *macaddr, vlanid_t vid,
- bool sticky, bool local_inactive,
- bool dp_static)
-{
- zebra_evpn_t *zevpn;
- struct zebra_vrf *zvrf;
- char buf[ETHER_ADDR_STRLEN];
-
- /* We are interested in MACs only on ports or (port, VLAN) that
- * map to an EVPN.
- */
- zevpn = zevpn_map_vlan(ifp, br_if, vid);
- if (!zevpn) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- " Add/Update %sMAC %s intf %s(%u) VID %u, could not find EVPN",
- sticky ? "sticky " : "",
- prefix_mac2str(macaddr, buf, sizeof(buf)),
- ifp->name, ifp->ifindex, vid);
- return 0;
- }
-
- if (!zevpn->vxlan_if) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- " VNI %u hash %p doesn't have intf upon local MAC ADD",
- zevpn->vni, zevpn);
- return -1;
- }
-
- zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
- if (!zvrf) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(" No Vrf found for vrf_id: %d",
- zevpn->vxlan_if->vrf_id);
- return -1;
- }
-
- return zebra_evpn_add_update_local_mac(zvrf, zevpn, ifp, macaddr, vid,
- sticky, local_inactive,
- dp_static);
-}
-
-/*
- * Handle message from client to delete a remote VTEP for an EVPN.
- */
-void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- unsigned short l = 0;
- vni_t vni;
- struct in_addr vtep_ip;
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
- struct interface *ifp;
- struct zebra_if *zif;
-
- if (!is_evpn_enabled()) {
- zlog_debug(
- "%s: EVPN is not enabled yet we have received a vtep del command",
- __func__);
- return;
- }
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("Recv MACIP DEL for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
-
- while (l < hdr->length) {
- int flood_control __attribute__((unused));
-
- /* Obtain each remote VTEP and process. */
- STREAM_GETL(s, vni);
- l += 4;
- STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN);
- l += IPV4_MAX_BYTELEN;
-
- /* Flood control is intentionally ignored right now */
- STREAM_GETL(s, flood_control);
- l += 4;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Recv VTEP_DEL %s VNI %u from %s",
- inet_ntoa(vtep_ip), vni,
- zebra_route_string(client->proto));
-
- /* Locate VNI hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Failed to locate VNI hash upon remote VTEP DEL, "
- "VNI %u",
- vni);
- continue;
- }
-
- ifp = zevpn->vxlan_if;
- if (!ifp) {
- zlog_debug(
- "VNI %u hash %p doesn't have intf upon remote VTEP DEL",
- zevpn->vni, zevpn);
- continue;
- }
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- continue;
-
- /* If the remote VTEP does not exist, there's nothing more to
- * do.
- * Otherwise, uninstall any remote MACs pointing to this VTEP
- * and
- * then, the VTEP entry itself and remove it.
- */
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
- if (!zvtep)
- continue;
-
- zevpn_vtep_uninstall(zevpn, &vtep_ip);
- zevpn_vtep_del(zevpn, zvtep);
- }
-
-stream_failure:
- return;
-}
-
-/*
- * Handle message from client to add a remote VTEP for an EVPN.
- */
-void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- unsigned short l = 0;
- vni_t vni;
- struct in_addr vtep_ip;
- zebra_evpn_t *zevpn;
- struct interface *ifp;
- struct zebra_if *zif;
- int flood_control;
- zebra_vtep_t *zvtep;
-
- if (!is_evpn_enabled()) {
- zlog_debug(
- "%s: EVPN not enabled yet we received a vtep_add zapi call",
- __func__);
- return;
- }
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("Recv MACIP ADD for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
-
- while (l < hdr->length) {
- /* Obtain each remote VTEP and process. */
- STREAM_GETL(s, vni);
- l += 4;
- STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN);
- STREAM_GETL(s, flood_control);
- l += IPV4_MAX_BYTELEN + 4;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Recv VTEP_ADD %s VNI %u flood %d from %s",
- inet_ntoa(vtep_ip), vni, flood_control,
- zebra_route_string(client->proto));
-
- /* Locate VNI hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- flog_err(
- EC_ZEBRA_VTEP_ADD_FAILED,
- "Failed to locate EVPN hash upon remote VTEP ADD, VNI %u",
- vni);
- continue;
- }
-
- ifp = zevpn->vxlan_if;
- if (!ifp) {
- flog_err(
- EC_ZEBRA_VTEP_ADD_FAILED,
- "VNI %u hash %p doesn't have intf upon remote VTEP ADD",
- zevpn->vni, zevpn);
- continue;
- }
-
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- continue;
-
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
- if (zvtep) {
- /* If the remote VTEP already exists check if
- * the flood mode has changed
- */
- if (zvtep->flood_control != flood_control) {
- if (zvtep->flood_control
- == VXLAN_FLOOD_DISABLED)
- /* old mode was head-end-replication but
- * is no longer; get rid of the HER fdb
- * entry installed before
- */
- zevpn_vtep_uninstall(zevpn, &vtep_ip);
- zvtep->flood_control = flood_control;
- zevpn_vtep_install(zevpn, zvtep);
- }
- } else {
- zvtep = zevpn_vtep_add(zevpn, &vtep_ip, flood_control);
- if (zvtep)
- zevpn_vtep_install(zevpn, zvtep);
- else
- flog_err(EC_ZEBRA_VTEP_ADD_FAILED,
- "Failed to add remote VTEP, VNI %u zevpn %p",
- vni, zevpn);
- }
- }
-
-stream_failure:
- return;
-}
-
-/*
- * Add/Del gateway macip to evpn
- * g/w can be:
- * 1. SVI interface on a vlan aware bridge
- * 2. SVI interface on a vlan unaware bridge
- * 3. vrr interface (MACVLAN) associated to a SVI
- * We advertise macip routes for an interface if it is associated to VxLan vlan
- */
-int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p,
- int add)
-{
- struct ipaddr ip;
- struct ethaddr macaddr;
- zebra_evpn_t *zevpn = NULL;
-
- memset(&ip, 0, sizeof(struct ipaddr));
- memset(&macaddr, 0, sizeof(struct ethaddr));
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- if (IS_ZEBRA_IF_MACVLAN(ifp)) {
- struct interface *svi_if =
- NULL; /* SVI corresponding to the MACVLAN */
- struct zebra_if *ifp_zif =
- NULL; /* Zebra daemon specific info for MACVLAN */
- struct zebra_if *svi_if_zif =
- NULL; /* Zebra daemon specific info for SVI*/
-
- ifp_zif = ifp->info;
- if (!ifp_zif)
- return -1;
-
- /*
- * for a MACVLAN interface the link represents the svi_if
- */
- svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
- ifp_zif->link_ifindex);
- if (!svi_if) {
- zlog_debug("MACVLAN %s(%u) without link information",
- ifp->name, ifp->ifindex);
- return -1;
- }
-
- if (IS_ZEBRA_IF_VLAN(svi_if)) {
- /*
- * If it is a vlan aware bridge then the link gives the
- * bridge information
- */
- struct interface *svi_if_link = NULL;
-
- svi_if_zif = svi_if->info;
- if (svi_if_zif) {
- svi_if_link = if_lookup_by_index_per_ns(
- zebra_ns_lookup(NS_DEFAULT),
- svi_if_zif->link_ifindex);
- zevpn = zevpn_from_svi(svi_if, svi_if_link);
- }
- } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) {
- /*
- * If it is a vlan unaware bridge then svi is the bridge
- * itself
- */
- zevpn = zevpn_from_svi(svi_if, svi_if);
- }
- } else if (IS_ZEBRA_IF_VLAN(ifp)) {
- struct zebra_if *svi_if_zif =
- NULL; /* Zebra daemon specific info for SVI */
- struct interface *svi_if_link =
- NULL; /* link info for the SVI = bridge info */
-
- svi_if_zif = ifp->info;
- if (svi_if_zif) {
- svi_if_link = if_lookup_by_index_per_ns(
- zebra_ns_lookup(NS_DEFAULT),
- svi_if_zif->link_ifindex);
- if (svi_if_link)
- zevpn = zevpn_from_svi(ifp, svi_if_link);
- }
- } else if (IS_ZEBRA_IF_BRIDGE(ifp)) {
- zevpn = zevpn_from_svi(ifp, ifp);
- }
-
- if (!zevpn)
- return 0;
-
- if (!zevpn->vxlan_if) {
- zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up",
- zevpn->vni, zevpn);
- return -1;
- }
-
-
- memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN);
-
- if (p->family == AF_INET) {
- ip.ipa_type = IPADDR_V4;
- memcpy(&(ip.ipaddr_v4), &(p->u.prefix4),
- sizeof(struct in_addr));
- } else if (p->family == AF_INET6) {
- ip.ipa_type = IPADDR_V6;
- memcpy(&(ip.ipaddr_v6), &(p->u.prefix6),
- sizeof(struct in6_addr));
- }
-
-
- if (add)
- zevpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
- else
- zevpn_gw_macip_del(ifp, zevpn, &ip);
-
- return 0;
-}
-
-/*
- * Handle SVI interface going down.
- * SVI can be associated to either L3-VNI or L2-VNI.
- * For L2-VNI: At this point, this is a NOP since
- * the kernel deletes the neighbor entries on this SVI (if any).
- * We only need to update the vrf corresponding to zevpn.
- * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete
- * from bgp
- */
-int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = zl3vni_from_svi(ifp, link_if);
- if (zl3vni) {
-
- /* process l3-vni down */
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
-
- /* remove association with svi-if */
- zl3vni->svi_if = NULL;
- } else {
- zebra_evpn_t *zevpn = NULL;
-
- /* since we dont have svi corresponding to zevpn, we associate it
- * to default vrf. Note: the corresponding neigh entries on the
- * SVI would have already been deleted */
- zevpn = zevpn_from_svi(ifp, link_if);
- if (zevpn) {
- zevpn->vrf_id = VRF_DEFAULT;
-
- /* update the tenant vrf in BGP */
- zevpn_send_add_to_client(zevpn);
- }
- }
- return 0;
-}
-
-/*
- * Handle SVI interface coming up.
- * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni
- * vxlan intf).
- * For L2-VNI: we need to install any remote neighbors entried (used for
- * apr-suppression)
- * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI
- */
-int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if)
-{
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = zl3vni_from_svi(ifp, link_if);
- if (zl3vni) {
-
- /* associate with svi */
- zl3vni->svi_if = ifp;
-
- /* process oper-up */
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- } else {
-
- /* process SVI up for l2-vni */
- struct neigh_walk_ctx n_wctx;
-
- zevpn = zevpn_from_svi(ifp, link_if);
- if (!zevpn)
- return 0;
-
- if (!zevpn->vxlan_if) {
- zlog_debug(
- "VNI %u hash %p doesn't have intf upon SVI up",
- zevpn->vni, zevpn);
- return -1;
- }
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors",
- ifp->name, ifp->ifindex, zevpn->vni,
- vrf_id_to_name(ifp->vrf_id));
-
- /* update the vrf information for l2-vni and inform bgp */
- zevpn->vrf_id = ifp->vrf_id;
- zevpn_send_add_to_client(zevpn);
-
- /* Install any remote neighbors for this VNI. */
- memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
- n_wctx.zevpn = zevpn;
- hash_iterate(zevpn->neigh_table, zebra_evpn_install_neigh_hash,
- &n_wctx);
- }
-
- return 0;
-}
-
-/*
- * Handle MAC-VLAN interface going down.
- * L3VNI: When MAC-VLAN interface goes down,
- * find its associated SVI and update type2/type-5 routes
- * with SVI as RMAC
- */
-void zebra_vxlan_macvlan_down(struct interface *ifp)
-{
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_if *zif, *link_zif;
- struct interface *link_ifp, *link_if;
-
- zif = ifp->info;
- assert(zif);
- link_ifp = zif->link;
- if (!link_ifp) {
- if (IS_ZEBRA_DEBUG_VXLAN) {
- struct interface *ifp;
-
- ifp = if_lookup_by_index_all_vrf(zif->link_ifindex);
- zlog_debug("macvlan parent link is not found. Parent index %d ifp %s",
- zif->link_ifindex, ifp ? ifp->name : " ");
- }
- return;
- }
- link_zif = link_ifp->info;
- assert(link_zif);
-
- link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
- link_zif->link_ifindex);
-
- zl3vni = zl3vni_from_svi(link_ifp, link_if);
- if (zl3vni) {
- zl3vni->mac_vlan_if = NULL;
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- }
-}
-
-/*
- * Handle MAC-VLAN interface going up.
- * L3VNI: When MAC-VLAN interface comes up,
- * find its associated SVI and update type-2 routes
- * with MAC-VLAN's MAC as RMAC and for type-5 routes
- * use SVI's MAC as RMAC.
- */
-void zebra_vxlan_macvlan_up(struct interface *ifp)
-{
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_if *zif, *link_zif;
- struct interface *link_ifp, *link_if;
-
- zif = ifp->info;
- assert(zif);
- link_ifp = zif->link;
- link_zif = link_ifp->info;
- assert(link_zif);
-
- link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
- link_zif->link_ifindex);
- zl3vni = zl3vni_from_svi(link_ifp, link_if);
- if (zl3vni) {
- /* associate with macvlan (VRR) interface */
- zl3vni->mac_vlan_if = ifp;
-
- /* process oper-up */
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- }
-}
-
-/*
- * Handle VxLAN interface down
- */
-int zebra_vxlan_if_down(struct interface *ifp)
-{
- vni_t vni;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- zebra_l3vni_t *zl3vni = NULL;
- zebra_evpn_t *zevpn;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
- /* process-if-down for l3-vni */
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name,
- ifp->ifindex, vni);
-
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
- } else {
- /* process if-down for l2-vni */
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name,
- ifp->ifindex, vni);
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_debug(
- "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u",
- ifp->name, ifp->ifindex, vni);
- return -1;
- }
-
- assert(zevpn->vxlan_if == ifp);
-
- /* Delete this VNI from BGP. */
- zevpn_send_del_to_client(zevpn);
-
- /* Free up all neighbors and MACs, if any. */
- zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
- zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
-
- /* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 1);
- }
- return 0;
-}
-
-/*
- * Handle VxLAN interface up - update BGP if required.
- */
-int zebra_vxlan_if_up(struct interface *ifp)
-{
- vni_t vni;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
- /* we need to associate with SVI, if any, we can associate with
- * svi-if only after association with vxlan-intf is complete
- */
- zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni);
- zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Intf %s(%u) L3-VNI %u is UP svi_if %s mac_vlan_if %s"
- , ifp->name, ifp->ifindex, vni,
- zl3vni->svi_if ? zl3vni->svi_if->name : "NIL",
- zl3vni->mac_vlan_if ?
- zl3vni->mac_vlan_if->name : "NIL");
-
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- } else {
- /* Handle L2-VNI add */
- struct interface *vlan_if = NULL;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name,
- ifp->ifindex, vni);
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_debug(
- "Failed to locate EVPN hash at UP, IF %s(%u) VNI %u",
- ifp->name, ifp->ifindex, vni);
- return -1;
- }
-
- assert(zevpn->vxlan_if == ifp);
- vlan_if = zvni_map_to_svi(vxl->access_vlan,
- zif->brslave_info.br_if);
- if (vlan_if) {
- zevpn->vrf_id = vlan_if->vrf_id;
- zl3vni = zl3vni_from_vrf(vlan_if->vrf_id);
- if (zl3vni)
- listnode_add_sort(zl3vni->l2vnis, zevpn);
- }
-
- /* If part of a bridge, inform BGP about this VNI. */
- /* Also, read and populate local MACs and neighbors. */
- if (zif->brslave_info.br_if) {
- zevpn_send_add_to_client(zevpn);
- zevpn_read_mac_neigh(zevpn, ifp);
- }
- }
-
- return 0;
-}
-
-/*
- * Handle VxLAN interface delete. Locate and remove entry in hash table
- * and update BGP, if required.
- */
-int zebra_vxlan_if_del(struct interface *ifp)
-{
- vni_t vni;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name,
- ifp->ifindex);
-
- /* process oper-down for l3-vni */
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
-
- /* remove the association with vxlan_if */
- memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr));
- zl3vni->vxlan_if = NULL;
- } else {
-
- /* process if-del for l2-vni*/
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name,
- ifp->ifindex);
-
- /* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_debug(
- "Failed to locate VNI hash at del, IF %s(%u) VNI %u",
- ifp->name, ifp->ifindex, vni);
- return 0;
- }
-
- /* remove from l3-vni list */
- zl3vni = zl3vni_from_vrf(zevpn->vrf_id);
- if (zl3vni)
- listnode_delete(zl3vni->l2vnis, zevpn);
- /* Delete VNI from BGP. */
- zevpn_send_del_to_client(zevpn);
-
- /* Free up all neighbors and MAC, if any. */
- zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH);
- zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC);
-
- /* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 0);
-
- /* Delete the hash entry. */
- if (zevpn_del(zevpn)) {
- flog_err(EC_ZEBRA_VNI_DEL_FAILED,
- "Failed to del EVPN hash %p, IF %s(%u) VNI %u",
- zevpn, ifp->name, ifp->ifindex, zevpn->vni);
- return -1;
- }
- }
- return 0;
-}
-
-/*
- * Handle VxLAN interface update - change to tunnel IP, master or VLAN.
- */
-int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags)
-{
- vni_t vni;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x",
- vni, ifp->name, ifp->ifindex, vxl->access_vlan,
- inet_ntoa(vxl->vtep_ip),
- zif->brslave_info.bridge_ifindex, chgflags);
-
- /* Removed from bridge? Cleanup and return */
- if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE)
- && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) {
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
- return 0;
- }
-
- /* access-vlan change - process oper down, associate with new
- * svi_if and then process oper up again
- */
- if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) {
- if (if_is_operative(ifp)) {
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
- zl3vni->svi_if = NULL;
- zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni);
- zl3vni->mac_vlan_if =
- zl3vni_map_to_mac_vlan_if(zl3vni);
- zl3vni->local_vtep_ip = vxl->vtep_ip;
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(
- zl3vni);
- }
- }
-
- /*
- * local-ip change - process oper down, associate with new
- * local-ip and then process oper up again
- */
- if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) {
- if (if_is_operative(ifp)) {
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
- zl3vni->local_vtep_ip = vxl->vtep_ip;
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(
- zl3vni);
- }
- }
-
- /* Update local tunnel IP. */
- zl3vni->local_vtep_ip = vxl->vtep_ip;
-
- /* if we have a valid new master, process l3-vni oper up */
- if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) {
- if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- }
- } else {
-
- /* Update VNI hash. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_debug(
- "Failed to find EVPN hash on update, IF %s(%u) VNI %u",
- ifp->name, ifp->ifindex, vni);
- return -1;
- }
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x",
- vni, ifp->name, ifp->ifindex, vxl->access_vlan,
- inet_ntoa(vxl->vtep_ip),
- zif->brslave_info.bridge_ifindex, chgflags);
-
- /* Removed from bridge? Cleanup and return */
- if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE)
- && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) {
- /* Delete from client, remove all remote VTEPs */
- /* Also, free up all MACs and neighbors. */
- zevpn_send_del_to_client(zevpn);
- zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
- zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
- zevpn_vtep_del_all(zevpn, 1);
- return 0;
- }
-
- /* Handle other changes. */
- if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) {
- /* Remove all existing local neigh and MACs for this VNI
- * (including from BGP)
- */
- zebra_evpn_neigh_del_all(zevpn, 0, 1, DEL_LOCAL_MAC);
- zebra_evpn_mac_del_all(zevpn, 0, 1, DEL_LOCAL_MAC);
- }
-
- if (zevpn->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr ||
- zevpn->mcast_grp.s_addr != vxl->mcast_grp.s_addr) {
- zebra_vxlan_sg_deref(zevpn->local_vtep_ip,
- zevpn->mcast_grp);
- zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp);
- zevpn->local_vtep_ip = vxl->vtep_ip;
- zevpn->mcast_grp = vxl->mcast_grp;
- /* on local vtep-ip check if ES orig-ip
- * needs to be updated
- */
- zebra_evpn_es_set_base_evpn(zevpn);
- }
- zevpn_vxlan_if_set(zevpn, ifp, true /* set */);
- /* Take further actions needed.
- * Note that if we are here, there is a change of interest.
- */
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return 0;
-
- /* Inform BGP, if there is a change of interest. */
- if (chgflags
- & (ZEBRA_VXLIF_MASTER_CHANGE |
- ZEBRA_VXLIF_LOCAL_IP_CHANGE |
- ZEBRA_VXLIF_MCAST_GRP_CHANGE))
- zevpn_send_add_to_client(zevpn);
-
- /* If there is a valid new master or a VLAN mapping change,
- * read and populate local MACs and neighbors.
- * Also, reinstall any remote MACs and neighbors
- * for this VNI (based on new VLAN).
- */
- if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE)
- zevpn_read_mac_neigh(zevpn, ifp);
- else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) {
- struct mac_walk_ctx m_wctx;
- struct neigh_walk_ctx n_wctx;
-
- zevpn_read_mac_neigh(zevpn, ifp);
-
- memset(&m_wctx, 0, sizeof(struct mac_walk_ctx));
- m_wctx.zevpn = zevpn;
- hash_iterate(zevpn->mac_table, zevpn_install_mac_hash,
- &m_wctx);
-
- memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
- n_wctx.zevpn = zevpn;
- hash_iterate(zevpn->neigh_table,
- zebra_evpn_install_neigh_hash, &n_wctx);
- }
- }
-
- return 0;
-}
-
-/*
- * Handle VxLAN interface add.
- */
-int zebra_vxlan_if_add(struct interface *ifp)
-{
- vni_t vni;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
- zebra_evpn_t *zevpn = NULL;
- zebra_l3vni_t *zl3vni = NULL;
-
- /* Check if EVPN is enabled. */
- if (!is_evpn_enabled())
- return 0;
-
- zif = ifp->info;
- assert(zif);
- vxl = &zif->l2info.vxl;
- vni = vxl->vni;
-
- zl3vni = zl3vni_lookup(vni);
- if (zl3vni) {
-
- /* process if-add for l3-vni*/
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u",
- vni, ifp->name, ifp->ifindex, vxl->access_vlan,
- inet_ntoa(vxl->vtep_ip),
- zif->brslave_info.bridge_ifindex);
-
- /* associate with vxlan_if */
- zl3vni->local_vtep_ip = vxl->vtep_ip;
- zl3vni->vxlan_if = ifp;
-
- /* Associate with SVI, if any. We can associate with svi-if only
- * after association with vxlan_if is complete */
- zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni);
-
- zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni);
-
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- } else {
-
- /* process if-add for l2-vni */
- struct interface *vlan_if = NULL;
-
- /* Create or update EVPN hash. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zevpn = zevpn_add(vni);
- if (!zevpn) {
- flog_err(
- EC_ZEBRA_VNI_ADD_FAILED,
- "Failed to add EVPN hash, IF %s(%u) VNI %u",
- ifp->name, ifp->ifindex, vni);
- return -1;
- }
- }
-
- if (zevpn->local_vtep_ip.s_addr != vxl->vtep_ip.s_addr ||
- zevpn->mcast_grp.s_addr != vxl->mcast_grp.s_addr) {
- zebra_vxlan_sg_deref(zevpn->local_vtep_ip,
- zevpn->mcast_grp);
- zebra_vxlan_sg_ref(vxl->vtep_ip, vxl->mcast_grp);
- zevpn->local_vtep_ip = vxl->vtep_ip;
- zevpn->mcast_grp = vxl->mcast_grp;
- /* on local vtep-ip check if ES orig-ip
- * needs to be updated
- */
- zebra_evpn_es_set_base_evpn(zevpn);
- }
- zevpn_vxlan_if_set(zevpn, ifp, true /* set */);
- vlan_if = zvni_map_to_svi(vxl->access_vlan,
- zif->brslave_info.br_if);
- if (vlan_if) {
- zevpn->vrf_id = vlan_if->vrf_id;
- zl3vni = zl3vni_from_vrf(vlan_if->vrf_id);
- if (zl3vni)
- listnode_add_sort(zl3vni->l2vnis, zevpn);
- }
-
- if (IS_ZEBRA_DEBUG_VXLAN) {
- char addr_buf1[INET_ADDRSTRLEN];
- char addr_buf2[INET_ADDRSTRLEN];
-
- inet_ntop(AF_INET, &vxl->vtep_ip,
- addr_buf1, INET_ADDRSTRLEN);
- inet_ntop(AF_INET, &vxl->mcast_grp,
- addr_buf2, INET_ADDRSTRLEN);
-
- zlog_debug(
- "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s mcast_grp %s master %u",
- vni,
- vlan_if ? vrf_id_to_name(vlan_if->vrf_id)
- : VRF_DEFAULT_NAME,
- ifp->name, ifp->ifindex, vxl->access_vlan,
- addr_buf1, addr_buf2,
- zif->brslave_info.bridge_ifindex);
- }
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return 0;
-
- /* Inform BGP */
- zevpn_send_add_to_client(zevpn);
-
- /* Read and populate local MACs and neighbors */
- zevpn_read_mac_neigh(zevpn, ifp);
- }
-
- return 0;
-}
-
-int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni,
- char *err, int err_str_sz, int filter,
- int add)
-{
- zebra_l3vni_t *zl3vni = NULL;
- struct zebra_vrf *zvrf_evpn = NULL;
-
- zvrf_evpn = zebra_vrf_get_evpn();
- if (!zvrf_evpn)
- return -1;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni,
- add ? "ADD" : "DEL");
-
- if (add) {
-
- zebra_vxlan_handle_vni_transition(zvrf, vni, 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;
- }
-
- /* add the L3-VNI to the global table */
- zl3vni = zl3vni_add(vni, zvrf_id(zvrf));
- if (!zl3vni) {
- snprintf(err, err_str_sz, "Could not add L3-VNI");
- return -1;
- }
-
- /* associate the vrf with vni */
- zvrf->l3vni = vni;
-
- /* set the filter in l3vni to denote if we are using l3vni only
- * for prefix routes
- */
- if (filter)
- SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY);
-
- /* associate with vxlan-intf;
- * we need to associate with the vxlan-intf first
- */
- zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni);
-
- /* associate with corresponding SVI interface, we can associate
- * with svi-if only after vxlan interface association is
- * complete
- */
- zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni);
-
- zl3vni->mac_vlan_if = zl3vni_map_to_mac_vlan_if(zl3vni);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "%s: l3vni %u svi_if %s mac_vlan_if %s",
- __func__, vni,
- zl3vni->svi_if ? zl3vni->svi_if->name : "NIL",
- zl3vni->mac_vlan_if ? zl3vni->mac_vlan_if->name
- : "NIL");
-
- /* formulate l2vni list */
- hash_iterate(zvrf_evpn->evpn_table, zevpn_add_to_l3vni_list,
- zl3vni);
-
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
-
- } 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;
- }
-
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
-
- /* delete and uninstall all rmacs */
- hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry,
- zl3vni);
-
- /* delete and uninstall all next-hops */
- hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry,
- zl3vni);
-
- zvrf->l3vni = 0;
- zl3vni_del(zl3vni);
-
- zebra_vxlan_handle_vni_transition(zvrf, vni, add);
- }
- return 0;
-}
-
-int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- if (zvrf->l3vni)
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (!zl3vni)
- return 0;
-
- zl3vni->vrf_id = zvrf_id(zvrf);
- if (is_l3vni_oper_up(zl3vni))
- zebra_vxlan_process_l3vni_oper_up(zl3vni);
- return 0;
-}
-
-int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- if (zvrf->l3vni)
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (!zl3vni)
- return 0;
-
- zl3vni->vrf_id = VRF_UNKNOWN;
- zebra_vxlan_process_l3vni_oper_down(zl3vni);
- return 0;
-}
-
-int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf)
-{
- zebra_l3vni_t *zl3vni = NULL;
- vni_t vni;
-
- if (zvrf->l3vni)
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (!zl3vni)
- return 0;
-
- vni = zl3vni->vni;
- zl3vni_del(zl3vni);
- zebra_vxlan_handle_vni_transition(zvrf, vni, 0);
-
- return 0;
-}
-
-/*
- * Handle message from client to specify the flooding mechanism for
- * BUM packets. The default is to do head-end (ingress) replication
- * and the other supported option is to disable it. This applies to
- * all BUM traffic and disabling it applies to both the transmit and
- * receive direction.
- */
-void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- enum vxlan_flood_control flood_ctrl;
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_err("EVPN flood control for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
- STREAM_GETC(s, flood_ctrl);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("EVPN flood control %u, currently %u",
- flood_ctrl, zvrf->vxlan_flood_ctrl);
-
- if (zvrf->vxlan_flood_ctrl == flood_ctrl)
- return;
-
- zvrf->vxlan_flood_ctrl = flood_ctrl;
-
- /* Install or uninstall flood entries corresponding to
- * remote VTEPs.
- */
- hash_iterate(zvrf->evpn_table, zevpn_handle_flooding_remote_vteps,
- zvrf);
-
-stream_failure:
- return;
-}
-
-/*
- * Handle message from client to enable/disable advertisement of svi macip
- * routes
- */
-void zebra_vxlan_advertise_svi_macip(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- int advertise;
- vni_t vni = 0;
- zebra_evpn_t *zevpn = NULL;
- struct interface *ifp = NULL;
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("EVPN SVI-MACIP Adv for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
- STREAM_GETC(s, advertise);
- STREAM_GETL(s, vni);
-
- if (!vni) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("EVPN SVI-MACIP Adv %s, currently %s",
- advertise ? "enabled" : "disabled",
- advertise_svi_macip_enabled(NULL)
- ? "enabled"
- : "disabled");
-
- if (zvrf->advertise_svi_macip == advertise)
- return;
-
-
- if (advertise) {
- zvrf->advertise_svi_macip = advertise;
- hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_add_for_evpn_hash, NULL);
- } else {
- hash_iterate(zvrf->evpn_table,
- zevpn_svi_macip_del_for_evpn_hash, NULL);
- zvrf->advertise_svi_macip = advertise;
- }
-
- } else {
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "EVPN SVI macip Adv %s on VNI %d , currently %s",
- advertise ? "enabled" : "disabled", vni,
- advertise_svi_macip_enabled(zevpn)
- ? "enabled"
- : "disabled");
-
- if (zevpn->advertise_svi_macip == advertise)
- return;
-
- /* Store flag even though SVI is not present.
- * Once SVI comes up triggers self MAC-IP route add.
- */
- zevpn->advertise_svi_macip = advertise;
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
-
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
-
- zl2_info = zif->l2info.vxl;
- vlan_if = zvni_map_to_svi(zl2_info.access_vlan,
- zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- if (advertise) {
- /* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
- } else {
- /* Del primary SVI MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
- }
- }
-
-stream_failure:
- return;
-}
-
-/*
- * Handle message from client to enable/disable advertisement of g/w macip
- * routes
- */
-void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- int advertise;
- vni_t vni = 0;
- zebra_evpn_t *zevpn = NULL;
- struct interface *ifp = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
- STREAM_GETC(s, advertise);
- STREAM_GET(&vni, s, 3);
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return;
-
- if (zevpn->advertise_subnet == advertise)
- return;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s",
- advertise ? "enabled" : "disabled", vni,
- zevpn->advertise_subnet ? "enabled" : "disabled");
-
-
- zevpn->advertise_subnet = advertise;
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
-
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
-
- zl2_info = zif->l2info.vxl;
-
- vlan_if =
- zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- if (zevpn->advertise_subnet)
- zevpn_advertise_subnet(zevpn, vlan_if, 1);
- else
- zevpn_advertise_subnet(zevpn, vlan_if, 0);
-
-stream_failure:
- return;
-}
-
-/*
- * Handle message from client to enable/disable advertisement of g/w macip
- * routes
- */
-void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS)
-{
- struct stream *s;
- int advertise;
- vni_t vni = 0;
- zebra_evpn_t *zevpn = NULL;
- struct interface *ifp = NULL;
-
- if (!EVPN_ENABLED(zvrf)) {
- zlog_debug("EVPN GW-MACIP Adv for non-EVPN VRF %u",
- zvrf_id(zvrf));
- return;
- }
-
- s = msg;
- STREAM_GETC(s, advertise);
- STREAM_GETL(s, vni);
-
- if (!vni) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("EVPN gateway macip Adv %s, currently %s",
- advertise ? "enabled" : "disabled",
- advertise_gw_macip_enabled(NULL)
- ? "enabled"
- : "disabled");
-
- if (zvrf->advertise_gw_macip == advertise)
- return;
-
- zvrf->advertise_gw_macip = advertise;
-
- if (advertise_gw_macip_enabled(zevpn))
- hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_add_for_evpn_hash, NULL);
- else
- hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_del_for_evpn_hash, NULL);
-
- } else {
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
- struct interface *vrr_if = NULL;
-
- zevpn = zevpn_lookup(vni);
- if (!zevpn)
- return;
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "EVPN gateway macip Adv %s on VNI %d , currently %s",
- advertise ? "enabled" : "disabled", vni,
- advertise_gw_macip_enabled(zevpn) ? "enabled"
- : "disabled");
-
- if (zevpn->advertise_gw_macip == advertise)
- return;
-
- zevpn->advertise_gw_macip = advertise;
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
-
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
-
- zl2_info = zif->l2info.vxl;
-
- vlan_if = zvni_map_to_svi(zl2_info.access_vlan,
- zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- if (advertise_gw_macip_enabled(zevpn)) {
- /* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
-
- /* Add VRR MAC-IP - if any*/
- vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
- if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
- } else {
- /* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
-
- /* Del VRR MAC-IP - if any*/
- vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
- if (vrr_if)
- zevpn_del_macip_for_intf(vrr_if, zevpn);
- }
- }
-
-stream_failure:
- return;
-}
-
-
-/*
- * Handle message from client to learn (or stop learning) about VNIs and MACs.
- * When enabled, the VNI hash table will be built and MAC FDB table read;
- * when disabled, the entries should be deleted and remote VTEPs and MACs
- * uninstalled from the kernel.
- * This also informs the setting for BUM handling at the time this change
- * occurs; it is relevant only when specifying "learn".
- */
-void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS)
-{
- struct stream *s = NULL;
- int advertise = 0;
- enum vxlan_flood_control flood_ctrl;
-
- /* Mismatch between EVPN VRF and current VRF (should be prevented by
- * bgpd's cli) */
- if (is_evpn_enabled() && !EVPN_ENABLED(zvrf))
- return;
-
- s = msg;
- STREAM_GETC(s, advertise);
- STREAM_GETC(s, flood_ctrl);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("EVPN VRF %s(%u) VNI Adv %s, currently %s, flood control %u",
- zvrf_name(zvrf), zvrf_id(zvrf),
- advertise ? "enabled" : "disabled",
- is_evpn_enabled() ? "enabled" : "disabled",
- flood_ctrl);
-
- if (zvrf->advertise_all_vni == advertise)
- return;
-
- zvrf->advertise_all_vni = advertise;
- if (EVPN_ENABLED(zvrf)) {
- zrouter.evpn_vrf = zvrf;
-
- /* Note BUM handling */
- zvrf->vxlan_flood_ctrl = flood_ctrl;
-
- /* Replay all ESs */
- zebra_evpn_es_send_all_to_client(true /* add */);
-
- /* Build EVPN hash table and inform BGP. */
- zevpn_build_hash_table();
-
- /* Add all SVI (L3 GW) MACs to BGP*/
- hash_iterate(zvrf->evpn_table, zevpn_gw_macip_add_for_evpn_hash,
- NULL);
-
- /* Read the MAC FDB */
- macfdb_read(zvrf->zns);
-
- /* Read neighbors */
- neigh_read(zvrf->zns);
- } else {
- /* Cleanup VTEPs for all EVPNs - uninstall from
- * kernel and free entries.
- */
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
-
- /* Delete all ESs in BGP */
- zebra_evpn_es_send_all_to_client(false /* add */);
-
- /* cleanup all l3vnis */
- hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL);
+ /* The remote VTEP specified should normally exist, but it is
+ * possible that when peering comes up, peer may advertise MACIP
+ * routes before advertising type-3 routes.
+ */
+ if (vtep_ip.s_addr) {
+ zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip);
+ if (!zvtep) {
+ zvtep = zebra_evpn_vtep_add(zevpn, &vtep_ip,
+ VXLAN_FLOOD_DISABLED);
+ if (!zvtep) {
+ flog_err(
+ EC_ZEBRA_VTEP_ADD_FAILED,
+ "Failed to add remote VTEP, VNI %u zevpn %p upon remote MACIP ADD",
+ vni, zevpn);
+ return;
+ }
- /* Mark as "no EVPN VRF" */
- zrouter.evpn_vrf = NULL;
+ zebra_evpn_vtep_install(zevpn, zvtep);
+ }
}
-stream_failure:
- return;
-}
-
-/*
- * Allocate EVPN hash table for this VRF and do other initialization.
- * NOTE: Currently supported only for default VRF.
- */
-void zebra_vxlan_init_tables(struct zebra_vrf *zvrf)
-{
- if (!zvrf)
- return;
- zvrf->evpn_table = hash_create(evpn_hash_keymake, vni_hash_cmp,
- "Zebra VRF EVPN Table");
- zvrf->vxlan_sg_table = hash_create(zebra_vxlan_sg_hash_key_make,
- zebra_vxlan_sg_hash_eq, "Zebra VxLAN SG Table");
-}
-
-/* Cleanup EVPN info, but don't free the table. */
-void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf)
-{
- struct zebra_vrf *evpn_zvrf = zebra_vrf_get_evpn();
-
+ zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
if (!zvrf)
return;
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
- hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_cleanup, NULL);
- if (zvrf == evpn_zvrf)
- zebra_evpn_es_cleanup();
-}
-/* Close all EVPN handling */
-void zebra_vxlan_close_tables(struct zebra_vrf *zvrf)
-{
- if (!zvrf)
+ if (process_mac_remote_macip_add(zevpn, zvrf, macaddr, ipa_len, ipaddr,
+ &mac, vtep_ip, flags, seq, esi)
+ != 0)
return;
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
- hash_free(zvrf->evpn_table);
-}
-
-/* init the l3vni table */
-void zebra_vxlan_init(void)
-{
- zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp,
- "Zebra VRF L3 VNI table");
- zrouter.evpn_vrf = NULL;
- zebra_evpn_mh_init();
-}
-
-/* free l3vni table */
-void zebra_vxlan_disable(void)
-{
- hash_free(zrouter.l3vni_table);
- zebra_evpn_mh_terminate();
-}
-
-/* get the l3vni svi ifindex */
-ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- zl3vni = zl3vni_from_vrf(vrf_id);
- if (!zl3vni || !is_l3vni_oper_up(zl3vni))
- return 0;
-
- return zl3vni->svi_if->ifindex;
-}
-
-/************************** vxlan SG cache management ************************/
-/* Inform PIM about the mcast group */
-static int zebra_vxlan_sg_send(struct zebra_vrf *zvrf,
- struct prefix_sg *sg,
- char *sg_str, uint16_t cmd)
-{
- struct zserv *client = NULL;
- struct stream *s = NULL;
-
- client = zserv_find_client(ZEBRA_ROUTE_PIM, 0);
- if (!client)
- return 0;
-
- if (!CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG))
- return 0;
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- zclient_create_header(s, cmd, VRF_DEFAULT);
- stream_putl(s, IPV4_MAX_BYTELEN);
- stream_put(s, &sg->src.s_addr, IPV4_MAX_BYTELEN);
- stream_put(s, &sg->grp.s_addr, IPV4_MAX_BYTELEN);
-
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Send %s %s to %s",
- (cmd == ZEBRA_VXLAN_SG_ADD) ? "add" : "del", sg_str,
- zebra_route_string(client->proto));
-
- if (cmd == ZEBRA_VXLAN_SG_ADD)
- client->vxlan_sg_add_cnt++;
- else
- client->vxlan_sg_del_cnt++;
-
- return zserv_send_message(client, s);
-}
-
-static unsigned int zebra_vxlan_sg_hash_key_make(const void *p)
-{
- const zebra_vxlan_sg_t *vxlan_sg = p;
-
- return (jhash_2words(vxlan_sg->sg.src.s_addr,
- vxlan_sg->sg.grp.s_addr, 0));
-}
-
-static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2)
-{
- const zebra_vxlan_sg_t *sg1 = p1;
- const zebra_vxlan_sg_t *sg2 = p2;
-
- return ((sg1->sg.src.s_addr == sg2->sg.src.s_addr)
- && (sg1->sg.grp.s_addr == sg2->sg.grp.s_addr));
-}
-
-static zebra_vxlan_sg_t *zebra_vxlan_sg_new(struct zebra_vrf *zvrf,
- struct prefix_sg *sg)
-{
- zebra_vxlan_sg_t *vxlan_sg;
-
- vxlan_sg = XCALLOC(MTYPE_ZVXLAN_SG, sizeof(*vxlan_sg));
-
- vxlan_sg->zvrf = zvrf;
- vxlan_sg->sg = *sg;
- prefix_sg2str(sg, vxlan_sg->sg_str);
-
- vxlan_sg = hash_get(zvrf->vxlan_sg_table, vxlan_sg, hash_alloc_intern);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("vxlan SG %s created", vxlan_sg->sg_str);
-
- return vxlan_sg;
-}
-
-static zebra_vxlan_sg_t *zebra_vxlan_sg_find(struct zebra_vrf *zvrf,
- struct prefix_sg *sg)
-{
- zebra_vxlan_sg_t lookup;
-
- lookup.sg = *sg;
- return hash_lookup(zvrf->vxlan_sg_table, &lookup);
-}
-
-static zebra_vxlan_sg_t *zebra_vxlan_sg_add(struct zebra_vrf *zvrf,
- struct prefix_sg *sg)
-{
- zebra_vxlan_sg_t *vxlan_sg;
- zebra_vxlan_sg_t *parent = NULL;
- struct in_addr sip;
-
- vxlan_sg = zebra_vxlan_sg_find(zvrf, sg);
- if (vxlan_sg)
- return vxlan_sg;
-
- /* create a *G entry for every BUM group implicitly -
- * 1. The SG entry is used by pimd to setup the vxlan-origination-mroute
- * 2. the XG entry is used by pimd to setup the
- * vxlan-termination-mroute
- */
- if (sg->src.s_addr != INADDR_ANY) {
- memset(&sip, 0, sizeof(sip));
- parent = zebra_vxlan_sg_do_ref(zvrf, sip, sg->grp);
- if (!parent)
- return NULL;
- }
- vxlan_sg = zebra_vxlan_sg_new(zvrf, sg);
- if (!vxlan_sg) {
- if (parent)
- zebra_vxlan_sg_do_deref(zvrf, sip, sg->grp);
- return vxlan_sg;
- }
-
- zebra_vxlan_sg_send(zvrf, sg, vxlan_sg->sg_str,
- ZEBRA_VXLAN_SG_ADD);
-
- return vxlan_sg;
+ process_neigh_remote_macip_add(zevpn, zvrf, ipaddr, mac, vtep_ip, flags,
+ seq);
}
-static void zebra_vxlan_sg_del(zebra_vxlan_sg_t *vxlan_sg)
+/* Process a remote MACIP delete from BGP. */
+void process_remote_macip_del(vni_t vni, struct ethaddr *macaddr,
+ uint16_t ipa_len, struct ipaddr *ipaddr,
+ struct in_addr vtep_ip)
{
- struct in_addr sip;
+ zebra_evpn_t *zevpn;
+ zebra_mac_t *mac = NULL;
+ zebra_neigh_t *n = NULL;
+ struct interface *ifp = NULL;
+ struct zebra_if *zif = NULL;
+ struct zebra_ns *zns;
+ struct zebra_l2info_vxlan *vxl;
struct zebra_vrf *zvrf;
+ char buf[ETHER_ADDR_STRLEN];
+ char buf1[INET6_ADDRSTRLEN];
- zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
+ /* Locate EVPN hash entry - expected to exist. */
+ zevpn = zebra_evpn_lookup(vni);
+ if (!zevpn) {
+ if (IS_ZEBRA_DEBUG_VXLAN)
+ zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni);
return;
-
- /* On SG entry deletion remove the reference to its parent XG
- * entry
- */
- if (vxlan_sg->sg.src.s_addr != INADDR_ANY) {
- memset(&sip, 0, sizeof(sip));
- zebra_vxlan_sg_do_deref(zvrf, sip, vxlan_sg->sg.grp);
}
- zebra_vxlan_sg_send(zvrf, &vxlan_sg->sg,
- vxlan_sg->sg_str, ZEBRA_VXLAN_SG_DEL);
-
- hash_release(vxlan_sg->zvrf->vxlan_sg_table, vxlan_sg);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VXLAN SG %s deleted", vxlan_sg->sg_str);
-
- XFREE(MTYPE_ZVXLAN_SG, vxlan_sg);
-}
-
-static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf,
- struct in_addr sip, struct in_addr mcast_grp)
-{
- zebra_vxlan_sg_t *vxlan_sg;
- struct prefix_sg sg;
-
- sg.family = AF_INET;
- sg.prefixlen = IPV4_MAX_BYTELEN;
- sg.src = sip;
- sg.grp = mcast_grp;
- vxlan_sg = zebra_vxlan_sg_find(zvrf, &sg);
- if (!vxlan_sg)
+ ifp = zevpn->vxlan_if;
+ if (ifp)
+ zif = ifp->info;
+ if (!ifp || !if_is_operative(ifp) || !zif || !zif->brslave_info.br_if) {
+ if (IS_ZEBRA_DEBUG_VXLAN)
+ zlog_debug(
+ "Ignoring remote MACIP DEL VNI %u, invalid interface state or info",
+ vni);
return;
+ }
+ zns = zebra_ns_lookup(NS_DEFAULT);
+ vxl = &zif->l2info.vxl;
- if (vxlan_sg->ref_cnt)
- --vxlan_sg->ref_cnt;
-
- if (!vxlan_sg->ref_cnt)
- zebra_vxlan_sg_del(vxlan_sg);
-}
-
-static zebra_vxlan_sg_t *zebra_vxlan_sg_do_ref(struct zebra_vrf *zvrf,
- struct in_addr sip, struct in_addr mcast_grp)
-{
- zebra_vxlan_sg_t *vxlan_sg;
- struct prefix_sg sg;
-
- sg.family = AF_INET;
- sg.prefixlen = IPV4_MAX_BYTELEN;
- sg.src = sip;
- sg.grp = mcast_grp;
- vxlan_sg = zebra_vxlan_sg_add(zvrf, &sg);
- if (vxlan_sg)
- ++vxlan_sg->ref_cnt;
-
- return vxlan_sg;
-}
-
-static void zebra_vxlan_sg_deref(struct in_addr local_vtep_ip,
- struct in_addr mcast_grp)
-{
- struct zebra_vrf *zvrf;
+ mac = zebra_evpn_mac_lookup(zevpn, macaddr);
+ if (ipa_len)
+ n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
- if (local_vtep_ip.s_addr == INADDR_ANY
- || mcast_grp.s_addr == INADDR_ANY)
+ if (n && !mac) {
+ zlog_warn(
+ "Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL",
+ prefix_mac2str(macaddr, buf, sizeof(buf)),
+ ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni);
return;
+ }
- zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
+ /* 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)
return;
- zebra_vxlan_sg_do_deref(zvrf, local_vtep_ip, mcast_grp);
-}
-
-static void zebra_vxlan_sg_ref(struct in_addr local_vtep_ip,
- struct in_addr mcast_grp)
-{
- struct zebra_vrf *zvrf;
-
- if (local_vtep_ip.s_addr == INADDR_ANY
- || mcast_grp.s_addr == INADDR_ANY)
- return;
+ zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
- zvrf = vrf_info_lookup(VRF_DEFAULT);
- if (!zvrf)
+ /* Ignore the delete if this mac is a gateway mac-ip */
+ if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)
+ && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) {
+ zlog_warn(
+ "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC",
+ vni, prefix_mac2str(macaddr, buf, sizeof(buf)),
+ ipa_len ? " IP " : "",
+ ipa_len ? ipaddr2str(ipaddr, buf1, sizeof(buf1)) : "");
return;
- zebra_vxlan_sg_do_ref(zvrf, local_vtep_ip, mcast_grp);
-}
-
-static void zebra_vxlan_sg_cleanup(struct hash_bucket *backet, void *arg)
-{
- zebra_vxlan_sg_t *vxlan_sg = (zebra_vxlan_sg_t *)backet->data;
-
- zebra_vxlan_sg_del(vxlan_sg);
-}
-
-static void zebra_vxlan_sg_replay_send(struct hash_bucket *backet, void *arg)
-{
- zebra_vxlan_sg_t *vxlan_sg = (zebra_vxlan_sg_t *)backet->data;
-
- zebra_vxlan_sg_send(vxlan_sg->zvrf, &vxlan_sg->sg,
- vxlan_sg->sg_str, ZEBRA_VXLAN_SG_ADD);
-}
-
-/* Handle message from client to replay vxlan SG entries */
-void zebra_vxlan_sg_replay(ZAPI_HANDLER_ARGS)
-{
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VxLAN SG updates to PIM, start");
+ }
- SET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG);
+ /* Uninstall remote neighbor or MAC. */
+ if (n)
+ zebra_evpn_neigh_remote_uninstall(zevpn, zvrf, n, mac, ipaddr);
+ else {
+ /* DAD: when MAC is freeze state as remote learn event,
+ * remote mac-ip delete event is received will result in freeze
+ * entry removal, first fetch kernel for the same entry present
+ * as LOCAL and reachable, avoid deleting this entry instead
+ * use kerenel local entry to update during unfreeze time.
+ */
+ if (zvrf->dad_freeze
+ && CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)
+ && CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) {
+ if (IS_ZEBRA_DEBUG_VXLAN)
+ zlog_debug(
+ "%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry",
+ __func__,
+ prefix_mac2str(macaddr, buf,
+ sizeof(buf)),
+ mac->flags);
+ macfdb_read_specific_mac(zns, zif->brslave_info.br_if,
+ macaddr, vxl->access_vlan);
+ }
- if (!EVPN_ENABLED(zvrf)) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VxLAN SG replay request on unexpected vrf %d",
- zvrf->vrf->vrf_id);
- return;
+ if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) {
+ if (!ipa_len)
+ zebra_evpn_sync_mac_del(mac);
+ } else if (CHECK_FLAG(mac->flags, ZEBRA_NEIGH_REMOTE)) {
+ zebra_evpn_rem_mac_del(zevpn, mac);
+ }
}
-
- hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_replay_send, NULL);
}
/************************** EVPN BGP config management ************************/
-static void zevpn_cfg_cleanup(struct hash_bucket *bucket, void *ctxt)
+void zebra_evpn_cfg_cleanup(struct hash_bucket *bucket, void *ctxt)
{
zebra_evpn_t *zevpn = NULL;
DEL_REMOTE_NEIGH | DEL_REMOTE_NEIGH_FROM_VTEP);
zebra_evpn_mac_del_all(zevpn, 1, 0,
DEL_REMOTE_MAC | DEL_REMOTE_MAC_FROM_VTEP);
- zevpn_vtep_del_all(zevpn, 1);
-}
-
-/* Cleanup EVPN configuration of a specific VRF */
-static void zebra_evpn_vrf_cfg_cleanup(struct zebra_vrf *zvrf)
-{
- zebra_l3vni_t *zl3vni = NULL;
-
- zvrf->advertise_all_vni = 0;
- zvrf->advertise_gw_macip = 0;
- zvrf->advertise_svi_macip = 0;
- zvrf->vxlan_flood_ctrl = VXLAN_FLOOD_HEAD_END_REPL;
-
- hash_iterate(zvrf->evpn_table, zevpn_cfg_cleanup, NULL);
-
- if (zvrf->l3vni)
- zl3vni = zl3vni_lookup(zvrf->l3vni);
- if (zl3vni) {
- /* delete and uninstall all rmacs */
- hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry,
- zl3vni);
- /* delete and uninstall all next-hops */
- hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry,
- zl3vni);
- }
-}
-
-/* Cleanup BGP EVPN configuration upon client disconnect */
-static int zebra_evpn_bgp_cfg_clean_up(struct zserv *client)
-{
- struct vrf *vrf;
- struct zebra_vrf *zvrf;
-
- RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) {
- zvrf = vrf->info;
- if (zvrf)
- zebra_evpn_vrf_cfg_cleanup(zvrf);
- }
-
- return 0;
-}
-
-static int zebra_evpn_pim_cfg_clean_up(struct zserv *client)
-{
- struct zebra_vrf *zvrf = zebra_vrf_get_evpn();
-
- if (zvrf && CHECK_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG)) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VxLAN SG updates to PIM, stop");
- UNSET_FLAG(zvrf->flags, ZEBRA_PIM_SEND_VXLAN_SG);
- }
-
- return 0;
-}
-
-static int zebra_evpn_cfg_clean_up(struct zserv *client)
-{
- if (client->proto == ZEBRA_ROUTE_BGP)
- return zebra_evpn_bgp_cfg_clean_up(client);
-
- if (client->proto == ZEBRA_ROUTE_PIM)
- return zebra_evpn_pim_cfg_clean_up(client);
-
- return 0;
-}
-
-/*
- * Handle results for vxlan dataplane operations.
- */
-extern void zebra_vxlan_handle_result(struct zebra_dplane_ctx *ctx)
-{
- /* TODO -- anything other than freeing the context? */
- dplane_ctx_fini(&ctx);
-}
-
-/* Cleanup BGP EVPN configuration upon client disconnect */
-extern void zebra_evpn_init(void)
-{
- hook_register(zserv_client_close, zebra_evpn_cfg_clean_up);
+ zebra_evpn_vtep_del_all(zevpn, 1);
}
#include "zebra/zebra_evpn_neigh.h"
#include "zebra/zebra_vxlan_private.h"
#include "zebra/zebra_evpn_mh.h"
+#include "zebra/zebra_evpn_vxlan.h"
#include "zebra/zebra_router.h"
-//comment for cloning
DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix");
-DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN, "EVPN hash");
DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash");
-DEFINE_MTYPE_STATIC(ZEBRA, ZEVPN_VTEP, "EVPN remote VTEP/PTUN");
DEFINE_MTYPE_STATIC(ZEBRA, L3VNI_MAC, "EVPN L3VNI MAC");
DEFINE_MTYPE_STATIC(ZEBRA, L3NEIGH, "EVPN Neighbor");
DEFINE_MTYPE_STATIC(ZEBRA, ZVXLAN_SG, "zebra VxLAN multicast group");
DEFINE_HOOK(zebra_rmac_update, (zebra_mac_t *rmac, zebra_l3vni_t *zl3vni,
bool delete, const char *reason), (rmac, zl3vni, delete, reason))
-/* definitions */
-/* PMSI strings. */
-#define VXLAN_FLOOD_STR_NO_INFO "-"
-#define VXLAN_FLOOD_STR_DEFAULT VXLAN_FLOOD_STR_NO_INFO
-static const struct message zvtep_flood_str[] = {
- {VXLAN_FLOOD_DISABLED, VXLAN_FLOOD_STR_NO_INFO},
- {VXLAN_FLOOD_PIM_SM, "PIM-SM"},
- {VXLAN_FLOOD_HEAD_END_REPL, "HER"},
- {0}
-};
-
/* static function declarations */
-static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p,
- uint16_t cmd);
static void zevpn_print_neigh_hash_all_evpn(struct hash_bucket *bucket,
void **args);
static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty,
static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty,
json_object *json);
static void zevpn_print_mac_hash_all_evpn(struct hash_bucket *bucket, void *ctxt);
-static void zevpn_print(zebra_evpn_t *zevpn, void **ctxt);
-static void zevpn_print_hash(struct hash_bucket *bucket, void *ctxt[]);
-
-static zebra_evpn_t *zevpn_from_svi(struct interface *ifp,
- struct interface *br_if);
-static struct interface *zevpn_map_to_macvlan(struct interface *br_if,
- struct interface *svi_if);
/* l3-vni next-hop neigh related APIs */
static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni,
static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni);
static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni);
-static zebra_evpn_t *zevpn_map_vlan(struct interface *ifp,
- struct interface *br_if, vlanid_t vid);
-static void zevpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt);
-
-static unsigned int evpn_hash_keymake(const void *p);
-static void *zevpn_alloc(void *p);
-static zebra_evpn_t *zevpn_add(vni_t vni);
-static int zevpn_del(zebra_evpn_t *zevpn);
-static int zevpn_send_add_to_client(zebra_evpn_t *zevpn);
-static int zevpn_send_del_to_client(zebra_evpn_t *zevpn);
static void zevpn_build_hash_table(void);
-static int zevpn_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep);
-static zebra_vtep_t *zevpn_vtep_find(zebra_evpn_t *zevpn, struct in_addr *vtep_ip);
-static zebra_vtep_t *zevpn_vtep_add(zebra_evpn_t *zevpn, struct in_addr *vtep_ip,
- int flood_control);
-static int zevpn_vtep_del(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep);
-static int zevpn_vtep_del_all(zebra_evpn_t *zevpn, int uninstall);
-static int zevpn_vtep_install(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep);
-static int zevpn_vtep_uninstall(zebra_evpn_t *zevpn, struct in_addr *vtep_ip);
-static int zevpn_del_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn);
-static int zevpn_add_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn);
-static int zevpn_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ethaddr *macaddr, struct ipaddr *ip);
-static int zevpn_gw_macip_del(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ipaddr *ip);
-struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp);
static unsigned int zebra_vxlan_sg_hash_key_make(const void *p);
static bool zebra_vxlan_sg_hash_eq(const void *p1, const void *p2);
static void zebra_vxlan_sg_do_deref(struct zebra_vrf *zvrf,
return count;
}
-int advertise_gw_macip_enabled(zebra_evpn_t *zevpn)
-{
- struct zebra_vrf *zvrf;
-
- zvrf = zebra_vrf_get_evpn();
- if (zvrf && zvrf->advertise_gw_macip)
- return 1;
-
- if (zevpn && zevpn->advertise_gw_macip)
- return 1;
-
- return 0;
-}
-
-int advertise_svi_macip_enabled(zebra_evpn_t *zevpn)
-{
- struct zebra_vrf *zvrf;
-
- zvrf = zebra_vrf_get_evpn();
- if (zvrf && zvrf->advertise_svi_macip)
- return 1;
-
- if (zevpn && zevpn->advertise_svi_macip)
- return 1;
-
- return 0;
-}
-
/*
* Print neighbors for all EVPN.
*/
}
}
-/*
- * Print a specific EVPN entry.
- */
-static void zevpn_print(zebra_evpn_t *zevpn, void **ctxt)
-{
- struct vty *vty;
- zebra_vtep_t *zvtep;
- uint32_t num_macs;
- uint32_t num_neigh;
- json_object *json = NULL;
- json_object *json_vtep_list = NULL;
- json_object *json_ip_str = NULL;
-
- vty = ctxt[0];
- json = ctxt[1];
-
- if (json == NULL) {
- vty_out(vty, "VNI: %u\n", zevpn->vni);
- vty_out(vty, " Type: %s\n", "L2");
- vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zevpn->vrf_id));
- } else {
- json_object_int_add(json, "vni", zevpn->vni);
- json_object_string_add(json, "type", "L2");
- json_object_string_add(json, "vrf",
- vrf_id_to_name(zevpn->vrf_id));
- }
-
- if (!zevpn->vxlan_if) { // unexpected
- if (json == NULL)
- vty_out(vty, " VxLAN interface: unknown\n");
- return;
- }
- num_macs = num_valid_macs(zevpn);
- num_neigh = hashcount(zevpn->neigh_table);
- if (json == NULL) {
- vty_out(vty, " VxLAN interface: %s\n", zevpn->vxlan_if->name);
- vty_out(vty, " VxLAN ifIndex: %u\n", zevpn->vxlan_if->ifindex);
- vty_out(vty, " Local VTEP IP: %s\n",
- inet_ntoa(zevpn->local_vtep_ip));
- vty_out(vty, " Mcast group: %s\n",
- inet_ntoa(zevpn->mcast_grp));
- } else {
- json_object_string_add(json, "vxlanInterface",
- zevpn->vxlan_if->name);
- json_object_int_add(json, "ifindex", zevpn->vxlan_if->ifindex);
- json_object_string_add(json, "vtepIp",
- inet_ntoa(zevpn->local_vtep_ip));
- json_object_string_add(json, "mcastGroup",
- inet_ntoa(zevpn->mcast_grp));
- json_object_string_add(json, "advertiseGatewayMacip",
- zevpn->advertise_gw_macip ? "Yes" : "No");
- json_object_int_add(json, "numMacs", num_macs);
- json_object_int_add(json, "numArpNd", num_neigh);
- }
- if (!zevpn->vteps) {
- if (json == NULL)
- vty_out(vty, " No remote VTEPs known for this VNI\n");
- } else {
- if (json == NULL)
- vty_out(vty, " Remote VTEPs for this VNI:\n");
- else
- json_vtep_list = json_object_new_array();
- for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
- const char *flood_str = lookup_msg(zvtep_flood_str,
- zvtep->flood_control,
- VXLAN_FLOOD_STR_DEFAULT);
-
- if (json == NULL) {
- vty_out(vty, " %s flood: %s\n",
- inet_ntoa(zvtep->vtep_ip),
- flood_str);
- } else {
- json_ip_str = json_object_new_string(
- inet_ntoa(zvtep->vtep_ip));
- json_object_array_add(json_vtep_list,
- json_ip_str);
- }
- }
- if (json)
- json_object_object_add(json, "numRemoteVteps",
- json_vtep_list);
- }
- if (json == NULL) {
- vty_out(vty,
- " Number of MACs (local and remote) known for this VNI: %u\n",
- num_macs);
- vty_out(vty,
- " Number of ARPs (IPv4 and IPv6, local and remote) known for this VNI: %u\n",
- num_neigh);
- vty_out(vty, " Advertise-gw-macip: %s\n",
- zevpn->advertise_gw_macip ? "Yes" : "No");
- }
-}
-
/* print a L3 VNI hash entry */
static void zl3vni_print_hash(struct hash_bucket *bucket, void *ctx[])
{
}
}
-/* Private Structure to pass callback data for hash iterator */
-struct zevpn_show {
- struct vty *vty;
- json_object *json;
- struct zebra_vrf *zvrf;
- bool use_json;
-};
-
/* print a L3 VNI hash entry in detail*/
static void zl3vni_print_hash_detail(struct hash_bucket *bucket, void *data)
{
zebra_l3vni_t *zl3vni = NULL;
json_object *json_array = NULL;
bool use_json = false;
- struct zevpn_show *zes = data;
+ struct zebra_evpn_show *zes = data;
vty = zes->vty;
json_array = zes->json;
vty_out(vty, "\n");
}
-
-/*
- * Print an EVPN hash entry - called for display of all VNIs.
- */
-static void zevpn_print_hash(struct hash_bucket *bucket, void *ctxt[])
-{
- struct vty *vty;
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
- uint32_t num_vteps = 0;
- uint32_t num_macs = 0;
- uint32_t num_neigh = 0;
- json_object *json = NULL;
- json_object *json_evpn = NULL;
- json_object *json_ip_str = NULL;
- json_object *json_vtep_list = NULL;
-
- vty = ctxt[0];
- json = ctxt[1];
-
- zevpn = (zebra_evpn_t *)bucket->data;
-
- zvtep = zevpn->vteps;
- while (zvtep) {
- num_vteps++;
- zvtep = zvtep->next;
- }
-
- num_macs = num_valid_macs(zevpn);
- num_neigh = hashcount(zevpn->neigh_table);
- if (json == NULL)
- vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n",
- zevpn->vni, "L2",
- zevpn->vxlan_if ? zevpn->vxlan_if->name : "unknown",
- num_macs, num_neigh, num_vteps,
- vrf_id_to_name(zevpn->vrf_id));
- else {
- char vni_str[VNI_STR_LEN];
- snprintf(vni_str, VNI_STR_LEN, "%u", zevpn->vni);
- json_evpn = json_object_new_object();
- json_object_int_add(json_evpn, "vni", zevpn->vni);
- json_object_string_add(json_evpn, "type", "L2");
- json_object_string_add(json_evpn, "vxlanIf",
- zevpn->vxlan_if ? zevpn->vxlan_if->name
- : "unknown");
- json_object_int_add(json_evpn, "numMacs", num_macs);
- json_object_int_add(json_evpn, "numArpNd", num_neigh);
- json_object_int_add(json_evpn, "numRemoteVteps", num_vteps);
- json_object_string_add(json_evpn, "tenantVrf",
- vrf_id_to_name(zevpn->vrf_id));
- if (num_vteps) {
- json_vtep_list = json_object_new_array();
- for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
- json_ip_str = json_object_new_string(
- inet_ntoa(zvtep->vtep_ip));
- json_object_array_add(json_vtep_list,
- json_ip_str);
- }
- json_object_object_add(json_evpn, "remoteVteps",
- json_vtep_list);
- }
- json_object_object_add(json, vni_str, json_evpn);
- }
-}
-
-/*
- * Print an EVPN hash entry in detail - called for display of all EVPNs.
+/* Map to SVI on bridge corresponding to specified VLAN. This can be one
+ * of two cases:
+ * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface
+ * linked to the bridge
+ * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge interface
+ * itself
*/
-static void zevpn_print_hash_detail(struct hash_bucket *bucket, void *data)
-{
- struct vty *vty;
- zebra_evpn_t *zevpn;
- json_object *json_array = NULL;
- bool use_json = false;
- struct zevpn_show *zes = data;
-
- vty = zes->vty;
- json_array = zes->json;
- use_json = zes->use_json;
-
- zevpn = (zebra_evpn_t *)bucket->data;
-
- zebra_vxlan_print_vni(vty, zes->zvrf, zevpn->vni, use_json, json_array);
-
- if (!use_json)
- vty_out(vty, "\n");
-}
-
-/* Get the VRR interface for SVI if any */
-struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp)
+struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if)
{
- struct zebra_vrf *zvrf = NULL;
+ struct zebra_ns *zns;
+ struct route_node *rn;
struct interface *tmp_if = NULL;
- struct zebra_if *zif = NULL;
-
- zvrf = vrf_info_lookup(ifp->vrf_id);
- assert(zvrf);
-
- FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) {
- zif = tmp_if->info;
- if (!zif)
- continue;
-
- if (!IS_ZEBRA_IF_MACVLAN(tmp_if))
- continue;
-
- if (zif->link == ifp)
- return tmp_if;
- }
-
- return NULL;
-}
-
-static int zevpn_del_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
-{
- struct listnode *cnode = NULL, *cnnode = NULL;
- struct connected *c = NULL;
- struct ethaddr macaddr;
-
- memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN);
-
- for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) {
- struct ipaddr ip;
-
- memset(&ip, 0, sizeof(struct ipaddr));
- if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL))
- continue;
-
- if (c->address->family == AF_INET) {
- ip.ipa_type = IPADDR_V4;
- memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4),
- sizeof(struct in_addr));
- } else if (c->address->family == AF_INET6) {
- ip.ipa_type = IPADDR_V6;
- memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6),
- sizeof(struct in6_addr));
- } else {
- continue;
- }
-
- zevpn_gw_macip_del(ifp, zevpn, &ip);
- }
-
- return 0;
-}
-
-static int zevpn_add_macip_for_intf(struct interface *ifp, zebra_evpn_t *zevpn)
-{
- struct listnode *cnode = NULL, *cnnode = NULL;
- struct connected *c = NULL;
- struct ethaddr macaddr;
-
- memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN);
-
- for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) {
- struct ipaddr ip;
-
- memset(&ip, 0, sizeof(struct ipaddr));
- if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL))
- continue;
-
- if (c->address->family == AF_INET) {
- ip.ipa_type = IPADDR_V4;
- memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4),
- sizeof(struct in_addr));
- } else if (c->address->family == AF_INET6) {
- ip.ipa_type = IPADDR_V6;
- memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6),
- sizeof(struct in6_addr));
- } else {
- continue;
- }
-
- zevpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
- }
- return 0;
-}
-
-
-static int zevpn_advertise_subnet(zebra_evpn_t *zevpn, struct interface *ifp,
- int advertise)
-{
- struct listnode *cnode = NULL, *cnnode = NULL;
- struct connected *c = NULL;
- struct ethaddr macaddr;
-
- memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN);
-
- for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) {
- struct prefix p;
-
- memcpy(&p, c->address, sizeof(struct prefix));
-
- /* skip link local address */
- if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6))
- continue;
-
- apply_mask(&p);
- if (advertise)
- ip_prefix_send_to_client(ifp->vrf_id, &p,
- ZEBRA_IP_PREFIX_ROUTE_ADD);
- else
- ip_prefix_send_to_client(ifp->vrf_id, &p,
- ZEBRA_IP_PREFIX_ROUTE_DEL);
- }
- return 0;
-}
-
-/*
- * zevpn_gw_macip_add_to_client
- */
-static int zevpn_gw_macip_add(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ethaddr *macaddr, struct ipaddr *ip)
-{
- zebra_mac_t *mac = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan *vxl = NULL;
-
- zif = zevpn->vxlan_if->info;
- if (!zif)
- return -1;
-
- vxl = &zif->l2info.vxl;
-
- if (zebra_evpn_mac_gw_macip_add(ifp, zevpn, ip, &mac, macaddr,
- vxl->access_vlan)
- != 0)
- return -1;
-
- return zebra_evpn_neigh_gw_macip_add(ifp, zevpn, ip, mac);
-}
-
-/*
- * zevpn_gw_macip_del_from_client
- */
-static int zevpn_gw_macip_del(struct interface *ifp, zebra_evpn_t *zevpn,
- struct ipaddr *ip)
-{
- char buf1[ETHER_ADDR_STRLEN];
- char buf2[INET6_ADDRSTRLEN];
- zebra_neigh_t *n = NULL;
- zebra_mac_t *mac = NULL;
-
- /* If the neigh entry is not present nothing to do*/
- n = zebra_evpn_neigh_lookup(zevpn, ip);
- if (!n)
- return 0;
-
- /* mac entry should be present */
- mac = zebra_evpn_mac_lookup(zevpn, &n->emac);
- if (!mac) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("MAC %s doesn't exist for neigh %s on VNI %u",
- prefix_mac2str(&n->emac,
- buf1, sizeof(buf1)),
- ipaddr2str(ip, buf2, sizeof(buf2)),
- zevpn->vni);
- return -1;
- }
-
- /* If the entry is not local nothing to do*/
- if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL))
- return -1;
-
- /* only need to delete the entry from bgp if we sent it before */
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP",
- ifp->vrf_id, ifp->name, ifp->ifindex, zevpn->vni,
- prefix_mac2str(&(n->emac), buf1, sizeof(buf1)),
- ipaddr2str(ip, buf2, sizeof(buf2)));
-
- /* Remove neighbor from BGP. */
- zebra_evpn_neigh_send_del_to_client(zevpn->vni, &n->ip, &n->emac,
- n->flags, ZEBRA_NEIGH_ACTIVE,
- false /*force*/);
-
- /* Delete this neighbor entry. */
- zebra_evpn_neigh_del(zevpn, n);
-
- /* see if the mac needs to be deleted as well*/
- if (mac)
- zebra_evpn_deref_ip2mac(zevpn, mac);
+ struct zebra_if *zif;
+ struct zebra_l2info_bridge *br;
+ struct zebra_l2info_vlan *vl;
+ uint8_t bridge_vlan_aware;
+ int found = 0;
- return 0;
-}
+ /* Defensive check, caller expected to invoke only with valid bridge. */
+ if (!br_if)
+ return NULL;
-static void zevpn_gw_macip_del_for_evpn_hash(struct hash_bucket *bucket,
- void *ctxt)
-{
- zebra_evpn_t *zevpn = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
- struct interface *vrr_if = NULL;
- struct interface *ifp;
+ /* Determine if bridge is VLAN-aware or not */
+ zif = br_if->info;
+ assert(zif);
+ br = &zif->l2info.br;
+ bridge_vlan_aware = br->vlan_aware;
- /* Add primary SVI MAC*/
- zevpn = (zebra_evpn_t *)bucket->data;
-
- /* Global (Zvrf) advertise-default-gw is disabled,
- * but zevpn advertise-default-gw is enabled
- */
- if (zevpn->advertise_gw_macip) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VNI: %u GW-MACIP enabled, retain gw-macip",
- zevpn->vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
-
- zl2_info = zif->l2info.vxl;
-
- vlan_if =
- zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- /* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
-
- /* Del VRR MAC-IP - if any*/
- vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
- if (vrr_if)
- zevpn_del_macip_for_intf(vrr_if, zevpn);
-
- return;
-}
-
-static void zevpn_gw_macip_add_for_evpn_hash(struct hash_bucket *bucket,
- void *ctxt)
-{
- zebra_evpn_t *zevpn = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
- struct interface *vrr_if = NULL;
- struct interface *ifp = NULL;
-
- zevpn = (zebra_evpn_t *)bucket->data;
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
- zl2_info = zif->l2info.vxl;
-
- vlan_if =
- zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- /* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
-
- if (advertise_gw_macip_enabled(zevpn)) {
- /* Add VRR MAC-IP - if any*/
- vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
- if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
- }
-
- return;
-}
-
-static void zevpn_svi_macip_del_for_evpn_hash(struct hash_bucket *bucket,
- void *ctxt)
-{
- zebra_evpn_t *zevpn = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_l2info_vxlan zl2_info;
- struct interface *vlan_if = NULL;
- struct interface *ifp;
-
- /* Add primary SVI MAC*/
- zevpn = (zebra_evpn_t *)bucket->data;
- if (!zevpn)
- return;
-
- /* Global(vrf) advertise-svi-ip disabled, but zevpn advertise-svi-ip
- * enabled
- */
- if (zevpn->advertise_svi_macip) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("VNI: %u SVI-MACIP enabled, retain svi-macip",
- zevpn->vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (!ifp)
- return;
- zif = ifp->info;
-
- /* If down or not mapped to a bridge, we're done. */
- if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
- return;
-
- zl2_info = zif->l2info.vxl;
-
- vlan_if =
- zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if);
- if (!vlan_if)
- return;
-
- /* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
-
- return;
-}
-
-/*
- * Map port or (port, VLAN) to an EVPN. This is invoked upon getting MAC
- * notifications, to see if they are of interest.
- */
-static zebra_evpn_t *zevpn_map_vlan(struct interface *ifp,
- struct interface *br_if, vlanid_t vid)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif;
- struct zebra_l2info_bridge *br;
- struct zebra_l2info_vxlan *vxl = NULL;
- uint8_t bridge_vlan_aware;
- zebra_evpn_t *zevpn;
- int found = 0;
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
- br = &zif->l2info.br;
- bridge_vlan_aware = br->vlan_aware;
-
- /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
- /* TODO: Optimize with a hash. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- if (!tmp_if)
- continue;
- zif = tmp_if->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VXLAN)
- continue;
- if (!if_is_operative(tmp_if))
- continue;
- vxl = &zif->l2info.vxl;
-
- if (zif->brslave_info.br_if != br_if)
- continue;
-
- if (!bridge_vlan_aware || vxl->access_vlan == vid) {
- found = 1;
- break;
- }
- }
-
- if (!found)
- return NULL;
-
- zevpn = zevpn_lookup(vxl->vni);
- return zevpn;
-}
-
-/*
- * Map SVI and associated bridge to a VNI. This is invoked upon getting
- * neighbor notifications, to see if they are of interest.
- */
-static zebra_evpn_t *zevpn_from_svi(struct interface *ifp,
- struct interface *br_if)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif;
- struct zebra_l2info_bridge *br;
- struct zebra_l2info_vxlan *vxl = NULL;
- uint8_t bridge_vlan_aware;
- vlanid_t vid = 0;
- zebra_evpn_t *zevpn;
- int found = 0;
-
- if (!br_if)
- return NULL;
-
- /* Make sure the linked interface is a bridge. */
- if (!IS_ZEBRA_IF_BRIDGE(br_if))
- return NULL;
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
- br = &zif->l2info.br;
- bridge_vlan_aware = br->vlan_aware;
- if (bridge_vlan_aware) {
- struct zebra_l2info_vlan *vl;
-
- if (!IS_ZEBRA_IF_VLAN(ifp))
- return NULL;
-
- zif = ifp->info;
- assert(zif);
- vl = &zif->l2info.vl;
- vid = vl->vid;
- }
-
- /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */
- /* TODO: Optimize with a hash. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- if (!tmp_if)
- continue;
- zif = tmp_if->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VXLAN)
- continue;
- if (!if_is_operative(tmp_if))
- continue;
- vxl = &zif->l2info.vxl;
-
- if (zif->brslave_info.br_if != br_if)
- continue;
-
- if (!bridge_vlan_aware || vxl->access_vlan == vid) {
- found = 1;
- break;
- }
- }
-
- if (!found)
- return NULL;
-
- zevpn = zevpn_lookup(vxl->vni);
- return zevpn;
-}
-
-/* Map to SVI on bridge corresponding to specified VLAN. This can be one
- * of two cases:
- * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface
- * linked to the bridge
- * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge interface
- * itself
- */
-struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif;
- struct zebra_l2info_bridge *br;
- struct zebra_l2info_vlan *vl;
- uint8_t bridge_vlan_aware;
- int found = 0;
-
- /* Defensive check, caller expected to invoke only with valid bridge. */
- if (!br_if)
- return NULL;
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
- br = &zif->l2info.br;
- bridge_vlan_aware = br->vlan_aware;
-
- /* Check oper status of the SVI. */
- if (!bridge_vlan_aware)
- return if_is_operative(br_if) ? br_if : NULL;
+ /* Check oper status of the SVI. */
+ if (!bridge_vlan_aware)
+ return if_is_operative(br_if) ? br_if : NULL;
/* Identify corresponding VLAN interface. */
/* TODO: Optimize with a hash. */
zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- /* Check oper status of the SVI. */
- if (!tmp_if || !if_is_operative(tmp_if))
- continue;
- zif = tmp_if->info;
- if (!zif || zif->zif_type != ZEBRA_IF_VLAN
- || zif->link != br_if)
- continue;
- vl = &zif->l2info.vl;
-
- if (vl->vid == vid) {
- found = 1;
- break;
- }
- }
-
- return found ? tmp_if : NULL;
-}
-
-/* Map to MAC-VLAN interface corresponding to specified SVI interface.
- */
-static struct interface *zevpn_map_to_macvlan(struct interface *br_if,
- struct interface *svi_if)
-{
- struct zebra_ns *zns;
- struct route_node *rn;
- struct interface *tmp_if = NULL;
- struct zebra_if *zif;
- int found = 0;
-
- /* Defensive check, caller expected to invoke only with valid bridge. */
- if (!br_if)
- return NULL;
-
- if (!svi_if) {
- zlog_debug("svi_if is not passed.");
- return NULL;
- }
-
- /* Determine if bridge is VLAN-aware or not */
- zif = br_if->info;
- assert(zif);
-
- /* Identify corresponding VLAN interface. */
- zns = zebra_ns_lookup(NS_DEFAULT);
- for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
- tmp_if = (struct interface *)rn->info;
- /* Check oper status of the SVI. */
- if (!tmp_if || !if_is_operative(tmp_if))
- continue;
- zif = tmp_if->info;
-
- if (!zif || zif->zif_type != ZEBRA_IF_MACVLAN)
- continue;
-
- if (zif->link == svi_if) {
- found = 1;
- break;
- }
- }
-
- return found ? tmp_if : NULL;
-}
-
-/*
- * Install MAC hash entry - called upon access VLAN change.
- */
-static void zevpn_install_mac_hash(struct hash_bucket *bucket, void *ctxt)
-{
- zebra_mac_t *mac;
- struct mac_walk_ctx *wctx = ctxt;
-
- mac = (zebra_mac_t *)bucket->data;
-
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE))
- zebra_evpn_rem_mac_install(wctx->zevpn, mac, false);
-}
-
-/*
- * Read and populate local MACs and neighbors corresponding to this EVPN.
- */
-static void zevpn_read_mac_neigh(zebra_evpn_t *zevpn, struct interface *ifp)
-{
- struct zebra_ns *zns;
- struct zebra_if *zif;
- struct interface *vlan_if;
- struct zebra_l2info_vxlan *vxl;
- struct interface *vrr_if;
-
- zif = ifp->info;
- vxl = &zif->l2info.vxl;
- zns = zebra_ns_lookup(NS_DEFAULT);
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u",
- ifp->name, ifp->ifindex, zevpn->vni,
- zif->brslave_info.bridge_ifindex);
-
- macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if);
- vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if);
- if (vlan_if) {
-
- /* Add SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
-
- /* Add VRR MAC-IP - if any*/
- vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
- if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
-
- neigh_read_for_vlan(zns, vlan_if);
- }
-}
-
-/*
- * Hash function for VNI.
- */
-static unsigned int evpn_hash_keymake(const void *p)
-{
- const zebra_evpn_t *zevpn = p;
-
- return (jhash_1word(zevpn->vni, 0));
-}
-
-/*
- * Compare 2 VNI hash entries.
- */
-static bool vni_hash_cmp(const void *p1, const void *p2)
-{
- const zebra_evpn_t *zevpn1 = p1;
- const zebra_evpn_t *zevpn2 = p2;
-
- return (zevpn1->vni == zevpn2->vni);
-}
-
-int vni_list_cmp(void *p1, void *p2)
-{
- const zebra_evpn_t *zevpn1 = p1;
- const zebra_evpn_t *zevpn2 = p2;
-
- if (zevpn1->vni == zevpn2->vni)
- return 0;
- return (zevpn1->vni < zevpn2->vni) ? -1 : 1;
-}
-
-/*
- * Callback to allocate VNI hash entry.
- */
-static void *zevpn_alloc(void *p)
-{
- const zebra_evpn_t *tmp_vni = p;
- zebra_evpn_t *zevpn;
-
- zevpn = XCALLOC(MTYPE_ZEVPN, sizeof(zebra_evpn_t));
- zevpn->vni = tmp_vni->vni;
- return ((void *)zevpn);
-}
-
-/*
- * Look up EVPN hash entry.
- */
-zebra_evpn_t *zevpn_lookup(vni_t vni)
-{
- struct zebra_vrf *zvrf;
- zebra_evpn_t tmp_vni;
- zebra_evpn_t *zevpn = NULL;
-
- zvrf = zebra_vrf_get_evpn();
- assert(zvrf);
- memset(&tmp_vni, 0, sizeof(zebra_evpn_t));
- tmp_vni.vni = vni;
- zevpn = hash_lookup(zvrf->evpn_table, &tmp_vni);
-
- return zevpn;
-}
-
-/*
- * Add EVPN hash entry.
- */
-static zebra_evpn_t *zevpn_add(vni_t vni)
-{
- struct zebra_vrf *zvrf;
- zebra_evpn_t tmp_zevpn;
- zebra_evpn_t *zevpn = NULL;
-
- zvrf = zebra_vrf_get_evpn();
- assert(zvrf);
- memset(&tmp_zevpn, 0, sizeof(zebra_evpn_t));
- tmp_zevpn.vni = vni;
- zevpn = hash_get(zvrf->evpn_table, &tmp_zevpn, zevpn_alloc);
- assert(zevpn);
-
- zebra_evpn_evpn_es_init(zevpn);
-
- /* Create hash table for MAC */
- zevpn->mac_table = zebra_mac_db_create("Zebra EVPN MAC Table");
-
- /* Create hash table for neighbors */
- zevpn->neigh_table = zebra_neigh_db_create("Zebra EVPN Neighbor Table");
-
- return zevpn;
-}
-
-/* EVPN<=>vxlan_zif association */
-static void zevpn_vxlan_if_set(zebra_evpn_t *zevpn, struct interface *ifp,
- bool set)
-{
- struct zebra_if *zif;
-
- if (set) {
- if (zevpn->vxlan_if == ifp)
- return;
- zevpn->vxlan_if = ifp;
- } else {
- if (!zevpn->vxlan_if)
- return;
- zevpn->vxlan_if = NULL;
- }
-
- if (ifp)
- zif = ifp->info;
- else
- zif = NULL;
-
- zebra_evpn_vxl_evpn_set(zif, zevpn, set);
-}
-
-/*
- * Delete EVPN hash entry.
- */
-static int zevpn_del(zebra_evpn_t *zevpn)
-{
- struct zebra_vrf *zvrf;
- zebra_evpn_t *tmp_zevpn;
-
- zvrf = zebra_vrf_get_evpn();
- assert(zvrf);
-
- zevpn_vxlan_if_set(zevpn, zevpn->vxlan_if, false /* set */);
-
- /* Remove references to the BUM mcast grp */
- zebra_vxlan_sg_deref(zevpn->local_vtep_ip, zevpn->mcast_grp);
-
- /* Free the neighbor hash table. */
- hash_free(zevpn->neigh_table);
- zevpn->neigh_table = NULL;
-
- /* Free the MAC hash table. */
- hash_free(zevpn->mac_table);
- zevpn->mac_table = NULL;
-
- zebra_evpn_evpn_es_cleanup(zevpn);
-
- /* Free the EVPN hash entry and allocated memory. */
- tmp_zevpn = hash_release(zvrf->evpn_table, zevpn);
- XFREE(MTYPE_ZEVPN, tmp_zevpn);
-
- return 0;
-}
-
-/*
- * Inform BGP about local EVPN addition.
- */
-static int zevpn_send_add_to_client(zebra_evpn_t *zevpn)
-{
- struct zserv *client;
- struct stream *s;
- int rc;
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- zclient_create_header(s, ZEBRA_VNI_ADD, zebra_vrf_get_evpn_id());
- stream_putl(s, zevpn->vni);
- stream_put_in_addr(s, &zevpn->local_vtep_ip);
- stream_put(s, &zevpn->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */
- stream_put_in_addr(s, &zevpn->mcast_grp);
-
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Send EVPN_ADD %u %s tenant vrf %s to %s", zevpn->vni,
- inet_ntoa(zevpn->local_vtep_ip),
- vrf_id_to_name(zevpn->vrf_id),
- zebra_route_string(client->proto));
-
- client->vniadd_cnt++;
- rc = zserv_send_message(client, s);
-
- if (!(zevpn->flags & ZEVPN_READY_FOR_BGP)) {
- zevpn->flags |= ZEVPN_READY_FOR_BGP;
- /* once the EVPN is sent the ES-EVIs can also be replayed
- * to BGP
- */
- zebra_evpn_update_all_es(zevpn);
- }
- return rc;
-}
-
-/*
- * Inform BGP about local EVPN deletion.
- */
-static int zevpn_send_del_to_client(zebra_evpn_t *zevpn)
-{
- struct zserv *client;
- struct stream *s;
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
+ for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) {
+ tmp_if = (struct interface *)rn->info;
+ /* Check oper status of the SVI. */
+ if (!tmp_if || !if_is_operative(tmp_if))
+ continue;
+ zif = tmp_if->info;
+ if (!zif || zif->zif_type != ZEBRA_IF_VLAN
+ || zif->link != br_if)
+ continue;
+ vl = &zif->l2info.vl;
- if (zevpn->flags & ZEVPN_READY_FOR_BGP) {
- zevpn->flags &= ~ZEVPN_READY_FOR_BGP;
- /* the ES-EVIs must be removed from BGP before the EVPN is */
- zebra_evpn_update_all_es(zevpn);
+ if (vl->vid == vid) {
+ found = 1;
+ break;
+ }
}
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
- stream_reset(s);
-
- zclient_create_header(s, ZEBRA_VNI_DEL, zebra_vrf_get_evpn_id());
- stream_putl(s, zevpn->vni);
+ return found ? tmp_if : NULL;
+}
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
+static int zebra_evpn_vxlan_del(zebra_evpn_t *zevpn)
+{
+ zevpn_vxlan_if_set(zevpn, zevpn->vxlan_if, false /* set */);
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Send EVPN_DEL %u to %s", zevpn->vni,
- zebra_route_string(client->proto));
+ /* Remove references to the BUM mcast grp */
+ zebra_vxlan_sg_deref(zevpn->local_vtep_ip, zevpn->mcast_grp);
- client->vnidel_cnt++;
- return zserv_send_message(client, s);
+ return zebra_evpn_del(zevpn);
}
-
/*
* Build the VNI hash table by going over the VxLAN interfaces. This
* is called when EVPN (advertise-all-vni) is enabled.
inet_ntoa(vxl->vtep_ip));
/* EVPN hash entry is expected to exist, if the BGP process is killed */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (zevpn) {
zlog_debug(
"EVPN hash already present for IF %s(%u) L2-VNI %u",
*/
if (if_is_operative(ifp) &&
zif->brslave_info.br_if)
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
/* Send Local MAC-entries to client */
zebra_evpn_send_mac_list_to_client(zevpn);
/* Send Loval Neighbor entries to client */
zebra_evpn_send_neigh_to_client(zevpn);
} else {
- zevpn = zevpn_add(vni);
+ zevpn = zebra_evpn_add(vni);
if (!zevpn) {
zlog_debug(
"Failed to add EVPN hash, IF %s(%u) L2-VNI %u",
*/
if (if_is_operative(ifp) &&
zif->brslave_info.br_if)
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
}
}
}
}
-/*
- * See if remote VTEP matches with prefix.
- */
-static int zevpn_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep)
-{
- return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip));
-}
-
-/*
- * Locate remote VTEP in EVPN hash table.
- */
-static zebra_vtep_t *zevpn_vtep_find(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
-{
- zebra_vtep_t *zvtep;
-
- if (!zevpn)
- return NULL;
-
- for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
- if (zevpn_vtep_match(vtep_ip, zvtep))
- break;
- }
-
- return zvtep;
-}
-
-/*
- * Add remote VTEP to EVPN hash table.
- */
-static zebra_vtep_t *zevpn_vtep_add(zebra_evpn_t *zevpn, struct in_addr *vtep_ip,
- int flood_control)
-
-{
- zebra_vtep_t *zvtep;
-
- zvtep = XCALLOC(MTYPE_ZEVPN_VTEP, sizeof(zebra_vtep_t));
-
- zvtep->vtep_ip = *vtep_ip;
- zvtep->flood_control = flood_control;
-
- if (zevpn->vteps)
- zevpn->vteps->prev = zvtep;
- zvtep->next = zevpn->vteps;
- zevpn->vteps = zvtep;
-
- return zvtep;
-}
-
-/*
- * Remove remote VTEP from EVPN hash table.
- */
-static int zevpn_vtep_del(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
-{
- if (zvtep->next)
- zvtep->next->prev = zvtep->prev;
- if (zvtep->prev)
- zvtep->prev->next = zvtep->next;
- else
- zevpn->vteps = zvtep->next;
-
- zvtep->prev = zvtep->next = NULL;
- XFREE(MTYPE_ZEVPN_VTEP, zvtep);
-
- return 0;
-}
-
-/*
- * Delete all remote VTEPs for this EVPN (upon VNI delete). Also
- * uninstall from kernel if asked to.
- */
-static int zevpn_vtep_del_all(zebra_evpn_t *zevpn, int uninstall)
-{
- zebra_vtep_t *zvtep, *zvtep_next;
-
- if (!zevpn)
- return -1;
-
- for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep_next) {
- zvtep_next = zvtep->next;
- if (uninstall)
- zevpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
- zevpn_vtep_del(zevpn, zvtep);
- }
-
- return 0;
-}
-
-/*
- * Install remote VTEP into the kernel if the remote VTEP has asked
- * for head-end-replication.
- */
-static int zevpn_vtep_install(zebra_evpn_t *zevpn, zebra_vtep_t *zvtep)
-{
- if (is_vxlan_flooding_head_end() &&
- (zvtep->flood_control == VXLAN_FLOOD_HEAD_END_REPL)) {
- if (ZEBRA_DPLANE_REQUEST_FAILURE ==
- dplane_vtep_add(zevpn->vxlan_if,
- &zvtep->vtep_ip, zevpn->vni))
- return -1;
- }
-
- return 0;
-}
-
-/*
- * Uninstall remote VTEP from the kernel.
- */
-static int zevpn_vtep_uninstall(zebra_evpn_t *zevpn, struct in_addr *vtep_ip)
-{
- if (!zevpn->vxlan_if) {
- zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf",
- zevpn->vni, zevpn);
- return -1;
- }
-
- if (ZEBRA_DPLANE_REQUEST_FAILURE ==
- dplane_vtep_delete(zevpn->vxlan_if, vtep_ip, zevpn->vni))
- return -1;
-
- return 0;
-}
-
-/*
- * Install or uninstall flood entries in the kernel corresponding to
- * remote VTEPs. This is invoked upon change to BUM handling.
- */
-static void zevpn_handle_flooding_remote_vteps(struct hash_bucket *bucket,
- void *zvrf)
-{
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
-
- zevpn = (zebra_evpn_t *)bucket->data;
- if (!zevpn)
- return;
-
- for (zvtep = zevpn->vteps; zvtep; zvtep = zvtep->next) {
- if (is_vxlan_flooding_head_end())
- zevpn_vtep_install(zevpn, zvtep);
- else
- zevpn_vtep_uninstall(zevpn, &zvtep->vtep_ip);
- }
-}
-
/*
* Cleanup EVPN/VTEP and update kernel
*/
-static void zevpn_cleanup_all(struct hash_bucket *bucket, void *arg)
+static void zebra_evpn_vxlan_cleanup_all(struct hash_bucket *bucket, void *arg)
{
zebra_evpn_t *zevpn = NULL;
zebra_l3vni_t *zl3vni = NULL;
if (zl3vni)
listnode_delete(zl3vni->l2vnis, zevpn);
- /* Free up all neighbors and MACs, if any. */
- zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
- zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
-
- /* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 1);
-
- /* Delete the hash entry. */
- zevpn_del(zevpn);
+ zebra_evpn_cleanup_all(bucket, arg);
}
/* cleanup L3VNI */
zl3vni->svi_if = NULL;
zl3vni->vxlan_if = NULL;
zl3vni->l2vnis = list_new();
- zl3vni->l2vnis->cmp = vni_list_cmp;
+ zl3vni->l2vnis->cmp = zebra_evpn_list_cmp;
/* Create hash table for remote RMAC */
zl3vni->rmac_table = zebra_mac_db_create("Zebra L3-VNI RMAC-Table");
if (!zif)
return NULL;
- return zevpn_map_to_macvlan(zif->brslave_info.br_if, zl3vni->svi_if);
+ return zebra_evpn_map_to_macvlan(zif->brslave_info.br_if,
+ zl3vni->svi_if);
}
*/
if (add) {
/* Locate hash entry */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return 0;
zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni);
/* Delete EVPN from BGP. */
- zevpn_send_del_to_client(zevpn);
+ zebra_evpn_send_del_to_client(zevpn);
zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH);
zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC);
/* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 0);
+ zebra_evpn_vtep_del_all(zevpn, 0);
/* Delete the hash entry. */
- if (zevpn_del(zevpn)) {
+ if (zebra_evpn_vxlan_del(zevpn)) {
flog_err(EC_ZEBRA_VNI_DEL_FAILED,
"Failed to del EVPN hash %p, VNI %u", zevpn,
zevpn->vni);
zl3vni_nh_del(zl3vni, n);
}
-static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p,
- uint16_t cmd)
-{
- struct zserv *client = NULL;
- struct stream *s = NULL;
- char buf[PREFIX_STRLEN];
-
- client = zserv_find_client(ZEBRA_ROUTE_BGP, 0);
- /* BGP may not be running. */
- if (!client)
- return 0;
-
- s = stream_new(ZEBRA_MAX_PACKET_SIZ);
-
- zclient_create_header(s, cmd, vrf_id);
- stream_put(s, p, sizeof(struct prefix));
-
- /* Write packet size. */
- stream_putw_at(s, 0, stream_get_endp(s));
-
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Send ip prefix %s %s on vrf %s",
- prefix2str(p, buf, sizeof(buf)),
- (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL",
- vrf_id_to_name(vrf_id));
-
- if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD)
- client->prefixadd_cnt++;
- else
- client->prefixdel_cnt++;
-
- return zserv_send_message(client, s);
-}
-
/* re-add remote rmac if needed */
static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni,
struct ethaddr *rmac)
return 0;
}
-static void zebra_vxlan_process_sync_macip_add(zebra_evpn_t *zevpn,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- uint8_t flags,
- uint32_t seq,
- esi_t *esi)
-{
- struct sync_mac_ip_ctx ctx;
- char macbuf[ETHER_ADDR_STRLEN];
- char ipbuf[INET6_ADDRSTRLEN];
- bool sticky;
- bool remote_gw;
- zebra_neigh_t *n = NULL;
-
- sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY);
- remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW);
- /* if sticky or remote-gw ignore updates from the peer */
- if (sticky || remote_gw) {
- if (IS_ZEBRA_DEBUG_VXLAN || IS_ZEBRA_DEBUG_EVPN_MH_NEIGH ||
- IS_ZEBRA_DEBUG_EVPN_MH_MAC)
- zlog_debug("Ignore sync-macip vni %u mac %s%s%s%s%s",
- zevpn->vni,
- prefix_mac2str(macaddr, macbuf, sizeof(macbuf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(ipaddr, ipbuf, sizeof(ipbuf)) : "",
- sticky ? " sticky" : "",
- remote_gw ? " remote_gw" : "");
- return;
- }
-
- if (ipa_len) {
- n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
- if (n
- && !zebra_evpn_neigh_is_bgp_seq_ok(zevpn, n, macaddr, seq))
- return;
- }
-
- memset(&ctx, 0, sizeof(ctx));
- ctx.mac = zebra_evpn_proc_sync_mac_update(
- zevpn, macaddr, ipa_len, ipaddr, flags, seq, esi, &ctx);
- if (ctx.ignore_macip || !ctx.mac || !ipa_len)
- return;
-
- zebra_evpn_proc_sync_neigh_update(zevpn, n, ipa_len, ipaddr, flags, seq,
- esi, &ctx);
-}
-
-/************************** remote mac-ip handling **************************/
-/* Process a remote MACIP add from BGP. */
-static void process_remote_macip_add(vni_t vni,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- uint8_t flags,
- uint32_t seq,
- struct in_addr vtep_ip,
- esi_t *esi)
-{
- zebra_evpn_t *zevpn;
- zebra_vtep_t *zvtep;
- zebra_mac_t *mac = NULL;
- struct interface *ifp = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_vrf *zvrf;
-
- /* Locate EVPN hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (ifp)
- zif = ifp->info;
- if (!ifp ||
- !if_is_operative(ifp) ||
- !zif ||
- !zif->brslave_info.br_if) {
- zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info",
- vni);
- return;
- }
-
- /* Type-2 routes from another PE can be interpreted as remote or
- * SYNC based on the destination ES -
- * SYNC - if ES is local
- * REMOTE - if ES is not local
- */
- if (flags & ZEBRA_MACIP_TYPE_SYNC_PATH) {
- zebra_vxlan_process_sync_macip_add(zevpn, macaddr, ipa_len,
- ipaddr, flags, seq, esi);
- return;
- }
-
- /* The remote VTEP specified should normally exist, but it is
- * possible that when peering comes up, peer may advertise MACIP
- * routes before advertising type-3 routes.
- */
- if (vtep_ip.s_addr) {
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
- if (!zvtep) {
- zvtep = zevpn_vtep_add(zevpn, &vtep_ip,
- VXLAN_FLOOD_DISABLED);
- if (!zvtep) {
- flog_err(
- EC_ZEBRA_VTEP_ADD_FAILED,
- "Failed to add remote VTEP, VNI %u zevpn %p upon remote MACIP ADD",
- vni, zevpn);
- return;
- }
-
- zevpn_vtep_install(zevpn, zvtep);
- }
- }
-
- zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
- if (!zvrf)
- return;
-
-
- if (process_mac_remote_macip_add(zevpn, zvrf, macaddr, ipa_len, ipaddr,
- &mac, vtep_ip, flags, seq, esi)
- != 0)
- return;
-
- process_neigh_remote_macip_add(zevpn, zvrf, ipaddr, mac, vtep_ip, flags,
- seq);
-}
-
-/* Process a remote MACIP delete from BGP. */
-static void process_remote_macip_del(vni_t vni,
- struct ethaddr *macaddr,
- uint16_t ipa_len,
- struct ipaddr *ipaddr,
- struct in_addr vtep_ip)
-{
- zebra_evpn_t *zevpn;
- zebra_mac_t *mac = NULL;
- zebra_neigh_t *n = NULL;
- struct interface *ifp = NULL;
- struct zebra_if *zif = NULL;
- struct zebra_ns *zns;
- struct zebra_l2info_vxlan *vxl;
- struct zebra_vrf *zvrf;
- char buf[ETHER_ADDR_STRLEN];
- char buf1[INET6_ADDRSTRLEN];
-
- /* Locate EVPN hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
- if (!zevpn) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni);
- return;
- }
-
- ifp = zevpn->vxlan_if;
- if (ifp)
- zif = ifp->info;
- if (!ifp ||
- !if_is_operative(ifp) ||
- !zif ||
- !zif->brslave_info.br_if) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info",
- vni);
- return;
- }
- zns = zebra_ns_lookup(NS_DEFAULT);
- vxl = &zif->l2info.vxl;
-
- mac = zebra_evpn_mac_lookup(zevpn, macaddr);
- if (ipa_len)
- n = zebra_evpn_neigh_lookup(zevpn, ipaddr);
-
- if (n && !mac) {
- zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL",
- prefix_mac2str(macaddr, buf, sizeof(buf)),
- ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni);
- return;
- }
-
- /* 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)
- return;
-
- zvrf = vrf_info_lookup(zevpn->vxlan_if->vrf_id);
-
- /* Ignore the delete if this mac is a gateway mac-ip */
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)
- && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) {
- zlog_warn(
- "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC",
- vni,
- prefix_mac2str(macaddr, buf, sizeof(buf)),
- ipa_len ? " IP " : "",
- ipa_len ?
- ipaddr2str(ipaddr, buf1, sizeof(buf1)) : "");
- return;
- }
-
- /* Uninstall remote neighbor or MAC. */
- if (n)
- zebra_evpn_neigh_remote_uninstall(zevpn, zvrf, n, mac, ipaddr);
- else {
- /* DAD: when MAC is freeze state as remote learn event,
- * remote mac-ip delete event is received will result in freeze
- * entry removal, first fetch kernel for the same entry present
- * as LOCAL and reachable, avoid deleting this entry instead
- * use kerenel local entry to update during unfreeze time.
- */
- if (zvrf->dad_freeze &&
- CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE) &&
- CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) {
- if (IS_ZEBRA_DEBUG_VXLAN)
- zlog_debug(
- "%s: MAC %s (flags 0x%x) is remote and duplicate, read kernel for local entry",
- __func__,
- prefix_mac2str(macaddr, buf,
- sizeof(buf)),
- mac->flags);
- macfdb_read_specific_mac(zns, zif->brslave_info.br_if,
- macaddr, vxl->access_vlan);
- }
-
- if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) {
- if (!ipa_len)
- zebra_evpn_sync_mac_del(mac);
- } else if (CHECK_FLAG(mac->flags, ZEBRA_NEIGH_REMOTE)) {
- zebra_evpn_rem_mac_del(zevpn, mac);
- }
- }
-}
-
-
/* Public functions */
int is_l3vni_for_prefix_routes_only(vni_t vni)
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
vty_out(vty, "%% VNI %u does not exist\n", vni);
return;
if (!is_evpn_enabled())
return 0;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_warn("VNI %u does not exist\n", vni);
return -1;
if (!is_evpn_enabled())
return 0;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_debug("VNI %u does not exist\n", vni);
return -1;
if (!is_evpn_enabled())
return 0;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_warn("VNI %u does not exist\n", vni);
return CMD_WARNING;
if (!is_evpn_enabled())
return;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (use_json)
vty_out(vty, "{}\n");
if (zl3vni) {
zl3vni_print(zl3vni, (void *)args);
} else {
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (zevpn)
- zevpn_print(zevpn, (void *)args);
+ zebra_evpn_print(zevpn, (void *)args);
else if (!json)
vty_out(vty, "%% VNI %u does not exist\n", vni);
}
args[1] = json;
/* Display all L2-VNIs */
- hash_iterate(zvrf->evpn_table,
- (void (*)(struct hash_bucket *, void *))zevpn_print_hash,
- args);
+ hash_iterate(
+ zvrf->evpn_table,
+ (void (*)(struct hash_bucket *, void *))zebra_evpn_print_hash,
+ args);
/* Display all L3-VNIs */
hash_iterate(zrouter.l3vni_table,
{
json_object *json_array = NULL;
struct zebra_ns *zns = NULL;
- struct zevpn_show zes;
+ struct zebra_evpn_show zes;
if (!is_evpn_enabled())
return;
zes.use_json = use_json;
/* Display all L2-VNIs */
- hash_iterate(
- zvrf->evpn_table,
- (void (*)(struct hash_bucket *, void *))zevpn_print_hash_detail,
- &zes);
+ hash_iterate(zvrf->evpn_table,
+ (void (*)(struct hash_bucket *,
+ void *))zebra_evpn_print_hash_detail,
+ &zes);
/* Display all L3-VNIs */
hash_iterate(zrouter.l3vni_table,
/* We are only interested in neighbors on an SVI that resides on top
* of a VxLAN bridge.
*/
- zevpn = zevpn_from_svi(ifp, link_if);
+ zevpn = zebra_evpn_from_svi(ifp, link_if);
if (!zevpn) {
if (IS_ZEBRA_DEBUG_VXLAN)
zlog_debug(
/* We are only interested in neighbors on an SVI that resides on top
* of a VxLAN bridge.
*/
- zevpn = zevpn_from_svi(ifp, link_if);
+ zevpn = zebra_evpn_from_svi(ifp, link_if);
if (!zevpn)
return 0;
return -1;
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return 0;
/* If the remote vtep entry doesn't exists nothing to do */
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
+ zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip);
if (!zvtep)
return 0;
"Del MAC for remote VTEP %s intf %s(%u) VNI %u - readd",
inet_ntoa(vtep_ip), ifp->name, ifp->ifindex, vni);
- zevpn_vtep_install(zevpn, zvtep);
+ zebra_evpn_vtep_install(zevpn, zvtep);
return 0;
}
return 0;
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return 0;
return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr);
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return 0;
/* We are interested in MACs only on ports or (port, VLAN) that
* map to a VNI.
*/
- zevpn = zevpn_map_vlan(ifp, br_if, vid);
+ zevpn = zebra_evpn_map_vlan(ifp, br_if, vid);
if (!zevpn)
return 0;
if (!zevpn->vxlan_if) {
/* We are interested in MACs only on ports or (port, VLAN) that
* map to an EVPN.
*/
- zevpn = zevpn_map_vlan(ifp, br_if, vid);
+ zevpn = zebra_evpn_map_vlan(ifp, br_if, vid);
if (!zevpn) {
if (IS_ZEBRA_DEBUG_VXLAN)
zlog_debug(
zebra_route_string(client->proto));
/* Locate VNI hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
if (IS_ZEBRA_DEBUG_VXLAN)
zlog_debug(
* and
* then, the VTEP entry itself and remove it.
*/
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
+ zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip);
if (!zvtep)
continue;
- zevpn_vtep_uninstall(zevpn, &vtep_ip);
- zevpn_vtep_del(zevpn, zvtep);
+ zebra_evpn_vtep_uninstall(zevpn, &vtep_ip);
+ zebra_evpn_vtep_del(zevpn, zvtep);
}
stream_failure:
zebra_route_string(client->proto));
/* Locate VNI hash entry - expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
flog_err(
EC_ZEBRA_VTEP_ADD_FAILED,
if (!if_is_operative(ifp) || !zif->brslave_info.br_if)
continue;
- zvtep = zevpn_vtep_find(zevpn, &vtep_ip);
+ zvtep = zebra_evpn_vtep_find(zevpn, &vtep_ip);
if (zvtep) {
/* If the remote VTEP already exists check if
* the flood mode has changed
* is no longer; get rid of the HER fdb
* entry installed before
*/
- zevpn_vtep_uninstall(zevpn, &vtep_ip);
+ zebra_evpn_vtep_uninstall(zevpn,
+ &vtep_ip);
zvtep->flood_control = flood_control;
- zevpn_vtep_install(zevpn, zvtep);
+ zebra_evpn_vtep_install(zevpn, zvtep);
}
} else {
- zvtep = zevpn_vtep_add(zevpn, &vtep_ip, flood_control);
+ zvtep = zebra_evpn_vtep_add(zevpn, &vtep_ip,
+ flood_control);
if (zvtep)
- zevpn_vtep_install(zevpn, zvtep);
+ zebra_evpn_vtep_install(zevpn, zvtep);
else
flog_err(EC_ZEBRA_VTEP_ADD_FAILED,
"Failed to add remote VTEP, VNI %u zevpn %p",
svi_if_link = if_lookup_by_index_per_ns(
zebra_ns_lookup(NS_DEFAULT),
svi_if_zif->link_ifindex);
- zevpn = zevpn_from_svi(svi_if, svi_if_link);
+ zevpn = zebra_evpn_from_svi(svi_if,
+ svi_if_link);
}
} else if (IS_ZEBRA_IF_BRIDGE(svi_if)) {
/*
* If it is a vlan unaware bridge then svi is the bridge
* itself
*/
- zevpn = zevpn_from_svi(svi_if, svi_if);
+ zevpn = zebra_evpn_from_svi(svi_if, svi_if);
}
} else if (IS_ZEBRA_IF_VLAN(ifp)) {
struct zebra_if *svi_if_zif =
zebra_ns_lookup(NS_DEFAULT),
svi_if_zif->link_ifindex);
if (svi_if_link)
- zevpn = zevpn_from_svi(ifp, svi_if_link);
+ zevpn = zebra_evpn_from_svi(ifp, svi_if_link);
}
} else if (IS_ZEBRA_IF_BRIDGE(ifp)) {
- zevpn = zevpn_from_svi(ifp, ifp);
+ zevpn = zebra_evpn_from_svi(ifp, ifp);
}
if (!zevpn)
if (add)
- zevpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
+ zebra_evpn_gw_macip_add(ifp, zevpn, &macaddr, &ip);
else
- zevpn_gw_macip_del(ifp, zevpn, &ip);
+ zebra_evpn_gw_macip_del(ifp, zevpn, &ip);
return 0;
}
/* since we dont have svi corresponding to zevpn, we associate it
* to default vrf. Note: the corresponding neigh entries on the
* SVI would have already been deleted */
- zevpn = zevpn_from_svi(ifp, link_if);
+ zevpn = zebra_evpn_from_svi(ifp, link_if);
if (zevpn) {
zevpn->vrf_id = VRF_DEFAULT;
/* update the tenant vrf in BGP */
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
}
}
return 0;
/* process SVI up for l2-vni */
struct neigh_walk_ctx n_wctx;
- zevpn = zevpn_from_svi(ifp, link_if);
+ zevpn = zebra_evpn_from_svi(ifp, link_if);
if (!zevpn)
return 0;
/* update the vrf information for l2-vni and inform bgp */
zevpn->vrf_id = ifp->vrf_id;
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
/* Install any remote neighbors for this VNI. */
memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
ifp->ifindex, vni);
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_debug(
"Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u",
assert(zevpn->vxlan_if == ifp);
/* Delete this VNI from BGP. */
- zevpn_send_del_to_client(zevpn);
+ zebra_evpn_send_del_to_client(zevpn);
/* Free up all neighbors and MACs, if any. */
zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
/* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 1);
+ zebra_evpn_vtep_del_all(zevpn, 1);
}
return 0;
}
ifp->ifindex, vni);
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_debug(
"Failed to locate EVPN hash at UP, IF %s(%u) VNI %u",
/* If part of a bridge, inform BGP about this VNI. */
/* Also, read and populate local MACs and neighbors. */
if (zif->brslave_info.br_if) {
- zevpn_send_add_to_client(zevpn);
- zevpn_read_mac_neigh(zevpn, ifp);
+ zebra_evpn_send_add_to_client(zevpn);
+ zebra_evpn_read_mac_neigh(zevpn, ifp);
}
}
ifp->ifindex);
/* Locate hash entry; it is expected to exist. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_debug(
"Failed to locate VNI hash at del, IF %s(%u) VNI %u",
if (zl3vni)
listnode_delete(zl3vni->l2vnis, zevpn);
/* Delete VNI from BGP. */
- zevpn_send_del_to_client(zevpn);
+ zebra_evpn_send_del_to_client(zevpn);
/* Free up all neighbors and MAC, if any. */
zebra_evpn_neigh_del_all(zevpn, 0, 0, DEL_ALL_NEIGH);
zebra_evpn_mac_del_all(zevpn, 0, 0, DEL_ALL_MAC);
/* Free up all remote VTEPs, if any. */
- zevpn_vtep_del_all(zevpn, 0);
+ zebra_evpn_vtep_del_all(zevpn, 0);
/* Delete the hash entry. */
- if (zevpn_del(zevpn)) {
+ if (zebra_evpn_vxlan_del(zevpn)) {
flog_err(EC_ZEBRA_VNI_DEL_FAILED,
"Failed to del EVPN hash %p, IF %s(%u) VNI %u",
zevpn, ifp->name, ifp->ifindex, zevpn->vni);
} else {
/* Update VNI hash. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
zlog_debug(
"Failed to find EVPN hash on update, IF %s(%u) VNI %u",
&& (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) {
/* Delete from client, remove all remote VTEPs */
/* Also, free up all MACs and neighbors. */
- zevpn_send_del_to_client(zevpn);
+ zebra_evpn_send_del_to_client(zevpn);
zebra_evpn_neigh_del_all(zevpn, 1, 0, DEL_ALL_NEIGH);
zebra_evpn_mac_del_all(zevpn, 1, 0, DEL_ALL_MAC);
- zevpn_vtep_del_all(zevpn, 1);
+ zebra_evpn_vtep_del_all(zevpn, 1);
return 0;
}
& (ZEBRA_VXLIF_MASTER_CHANGE |
ZEBRA_VXLIF_LOCAL_IP_CHANGE |
ZEBRA_VXLIF_MCAST_GRP_CHANGE))
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
/* If there is a valid new master or a VLAN mapping change,
* read and populate local MACs and neighbors.
* for this VNI (based on new VLAN).
*/
if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE)
- zevpn_read_mac_neigh(zevpn, ifp);
+ zebra_evpn_read_mac_neigh(zevpn, ifp);
else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) {
struct mac_walk_ctx m_wctx;
struct neigh_walk_ctx n_wctx;
- zevpn_read_mac_neigh(zevpn, ifp);
+ zebra_evpn_read_mac_neigh(zevpn, ifp);
memset(&m_wctx, 0, sizeof(struct mac_walk_ctx));
m_wctx.zevpn = zevpn;
- hash_iterate(zevpn->mac_table, zevpn_install_mac_hash,
- &m_wctx);
+ hash_iterate(zevpn->mac_table,
+ zebra_evpn_install_mac_hash, &m_wctx);
memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx));
n_wctx.zevpn = zevpn;
struct interface *vlan_if = NULL;
/* Create or update EVPN hash. */
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn) {
- zevpn = zevpn_add(vni);
+ zevpn = zebra_evpn_add(vni);
if (!zevpn) {
flog_err(
EC_ZEBRA_VNI_ADD_FAILED,
return 0;
/* Inform BGP */
- zevpn_send_add_to_client(zevpn);
+ zebra_evpn_send_add_to_client(zevpn);
/* Read and populate local MACs and neighbors */
- zevpn_read_mac_neigh(zevpn, ifp);
+ zebra_evpn_read_mac_neigh(zevpn, ifp);
}
return 0;
/* Install or uninstall flood entries corresponding to
* remote VTEPs.
*/
- hash_iterate(zvrf->evpn_table, zevpn_handle_flooding_remote_vteps,
+ hash_iterate(zvrf->evpn_table, zebra_evpn_handle_flooding_remote_vteps,
zvrf);
stream_failure:
if (advertise) {
zvrf->advertise_svi_macip = advertise;
hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_add_for_evpn_hash, NULL);
+ zebra_evpn_gw_macip_add_for_evpn_hash,
+ NULL);
} else {
hash_iterate(zvrf->evpn_table,
- zevpn_svi_macip_del_for_evpn_hash, NULL);
+ zebra_evpn_svi_macip_del_for_evpn_hash,
+ NULL);
zvrf->advertise_svi_macip = advertise;
}
struct zebra_l2info_vxlan zl2_info;
struct interface *vlan_if = NULL;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return;
if (advertise) {
/* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vlan_if, zevpn);
} else {
/* Del primary SVI MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vlan_if, zevpn);
}
}
STREAM_GETC(s, advertise);
STREAM_GET(&vni, s, 3);
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return;
return;
if (zevpn->advertise_subnet)
- zevpn_advertise_subnet(zevpn, vlan_if, 1);
+ zebra_evpn_advertise_subnet(zevpn, vlan_if, 1);
else
- zevpn_advertise_subnet(zevpn, vlan_if, 0);
+ zebra_evpn_advertise_subnet(zevpn, vlan_if, 0);
stream_failure:
return;
if (advertise_gw_macip_enabled(zevpn))
hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_add_for_evpn_hash, NULL);
+ zebra_evpn_gw_macip_add_for_evpn_hash,
+ NULL);
else
hash_iterate(zvrf->evpn_table,
- zevpn_gw_macip_del_for_evpn_hash, NULL);
+ zebra_evpn_gw_macip_del_for_evpn_hash,
+ NULL);
} else {
struct zebra_if *zif = NULL;
struct interface *vlan_if = NULL;
struct interface *vrr_if = NULL;
- zevpn = zevpn_lookup(vni);
+ zevpn = zebra_evpn_lookup(vni);
if (!zevpn)
return;
if (advertise_gw_macip_enabled(zevpn)) {
/* Add primary SVI MAC-IP */
- zevpn_add_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vlan_if, zevpn);
/* Add VRR MAC-IP - if any*/
vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
if (vrr_if)
- zevpn_add_macip_for_intf(vrr_if, zevpn);
+ zebra_evpn_add_macip_for_intf(vrr_if, zevpn);
} else {
/* Del primary MAC-IP */
- zevpn_del_macip_for_intf(vlan_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vlan_if, zevpn);
/* Del VRR MAC-IP - if any*/
vrr_if = zebra_get_vrr_intf_for_svi(vlan_if);
if (vrr_if)
- zevpn_del_macip_for_intf(vrr_if, zevpn);
+ zebra_evpn_del_macip_for_intf(vrr_if, zevpn);
}
}
zevpn_build_hash_table();
/* Add all SVI (L3 GW) MACs to BGP*/
- hash_iterate(zvrf->evpn_table, zevpn_gw_macip_add_for_evpn_hash,
- NULL);
+ hash_iterate(zvrf->evpn_table,
+ zebra_evpn_gw_macip_add_for_evpn_hash, NULL);
/* Read the MAC FDB */
macfdb_read(zvrf->zns);
/* Cleanup VTEPs for all EVPNs - uninstall from
* kernel and free entries.
*/
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
+ hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all,
+ zvrf);
/* Delete all ESs in BGP */
zebra_evpn_es_send_all_to_client(false /* add */);
{
if (!zvrf)
return;
- zvrf->evpn_table = hash_create(evpn_hash_keymake, vni_hash_cmp,
- "Zebra VRF EVPN Table");
+ zvrf->evpn_table =
+ hash_create(zebra_evpn_hash_keymake, zebra_evpn_hash_cmp,
+ "Zebra VRF EVPN Table");
zvrf->vxlan_sg_table = hash_create(zebra_vxlan_sg_hash_key_make,
zebra_vxlan_sg_hash_eq, "Zebra VxLAN SG Table");
}
if (!zvrf)
return;
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
+ hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all, zvrf);
hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_cleanup, NULL);
if (zvrf == evpn_zvrf)
{
if (!zvrf)
return;
- hash_iterate(zvrf->evpn_table, zevpn_cleanup_all, zvrf);
+ hash_iterate(zvrf->evpn_table, zebra_evpn_vxlan_cleanup_all, zvrf);
hash_free(zvrf->evpn_table);
}
hash_iterate(zvrf->vxlan_sg_table, zebra_vxlan_sg_replay_send, NULL);
}
-/************************** EVPN BGP config management ************************/
-static void zevpn_cfg_cleanup(struct hash_bucket *bucket, void *ctxt)
-{
- zebra_evpn_t *zevpn = NULL;
-
- zevpn = (zebra_evpn_t *)bucket->data;
- zevpn->advertise_gw_macip = 0;
- zevpn->advertise_svi_macip = 0;
- zevpn->advertise_subnet = 0;
-
- zebra_evpn_neigh_del_all(zevpn, 1, 0,
- DEL_REMOTE_NEIGH | DEL_REMOTE_NEIGH_FROM_VTEP);
- zebra_evpn_mac_del_all(zevpn, 1, 0,
- DEL_REMOTE_MAC | DEL_REMOTE_MAC_FROM_VTEP);
- zevpn_vtep_del_all(zevpn, 1);
-}
/* Cleanup EVPN configuration of a specific VRF */
static void zebra_evpn_vrf_cfg_cleanup(struct zebra_vrf *zvrf)
zvrf->advertise_svi_macip = 0;
zvrf->vxlan_flood_ctrl = VXLAN_FLOOD_HEAD_END_REPL;
- hash_iterate(zvrf->evpn_table, zevpn_cfg_cleanup, NULL);
+ hash_iterate(zvrf->evpn_table, zebra_evpn_cfg_cleanup, NULL);
if (zvrf->l3vni)
zl3vni = zl3vni_lookup(zvrf->l3vni);
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