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13d60d35 | 1 | /* |
2 | * Zebra EVPN for VxLAN code | |
3 | * Copyright (C) 2016, 2017 Cumulus Networks, Inc. | |
4 | * | |
5 | * This file is part of FRR. | |
6 | * | |
7 | * FRR is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * FRR is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with FRR; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
43e52561 | 25 | #include "hash.h" |
13d60d35 | 26 | #include "if.h" |
43e52561 | 27 | #include "jhash.h" |
13d60d35 | 28 | #include "linklist.h" |
43e52561 QY |
29 | #include "log.h" |
30 | #include "memory.h" | |
31 | #include "prefix.h" | |
13d60d35 | 32 | #include "stream.h" |
43e52561 | 33 | #include "table.h" |
13d60d35 | 34 | #include "vlan.h" |
35 | #include "vxlan.h" | |
68e33151 CS |
36 | #ifdef GNU_LINUX |
37 | #include <linux/neighbour.h> | |
38 | #endif | |
13d60d35 | 39 | |
89272910 | 40 | #include "zebra/zebra_router.h" |
43e52561 QY |
41 | #include "zebra/debug.h" |
42 | #include "zebra/interface.h" | |
13d60d35 | 43 | #include "zebra/rib.h" |
44 | #include "zebra/rt.h" | |
43e52561 QY |
45 | #include "zebra/rt_netlink.h" |
46 | #include "zebra/zebra_errors.h" | |
47 | #include "zebra/zebra_l2.h" | |
48 | #include "zebra/zebra_memory.h" | |
13d60d35 | 49 | #include "zebra/zebra_ns.h" |
13d60d35 | 50 | #include "zebra/zebra_vrf.h" |
13d60d35 | 51 | #include "zebra/zebra_vxlan.h" |
43e52561 QY |
52 | #include "zebra/zebra_vxlan_private.h" |
53 | #include "zebra/zserv.h" | |
13d60d35 | 54 | |
6134fd82 | 55 | DEFINE_MTYPE_STATIC(ZEBRA, HOST_PREFIX, "host prefix"); |
d62a17ae | 56 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI, "VNI hash"); |
b7cfce93 | 57 | DEFINE_MTYPE_STATIC(ZEBRA, ZL3VNI, "L3 VNI hash"); |
13d60d35 | 58 | DEFINE_MTYPE_STATIC(ZEBRA, ZVNI_VTEP, "VNI remote VTEP"); |
d62a17ae | 59 | DEFINE_MTYPE_STATIC(ZEBRA, MAC, "VNI MAC"); |
60 | DEFINE_MTYPE_STATIC(ZEBRA, NEIGH, "VNI Neighbor"); | |
13d60d35 | 61 | |
62 | /* definitions */ | |
63 | ||
13d60d35 | 64 | /* static function declarations */ |
996c9314 LB |
65 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
66 | uint16_t cmd); | |
cd233079 | 67 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json); |
d62a17ae | 68 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt); |
69 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, | |
cd233079 | 70 | void **args); |
c0e519d3 MK |
71 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
72 | json_object *json); | |
316f4ca4 MK |
73 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
74 | json_object *json); | |
d62a17ae | 75 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt); |
76 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt); | |
77 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt); | |
cd233079 CS |
78 | static void zvni_print(zebra_vni_t *zvni, void **ctxt); |
79 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]); | |
d62a17ae | 80 | |
996c9314 | 81 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 82 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 83 | uint32_t seq, uint16_t cmd); |
d62a17ae | 84 | static unsigned int neigh_hash_keymake(void *p); |
d62a17ae | 85 | static void *zvni_neigh_alloc(void *p); |
b6938a74 MK |
86 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
87 | struct ethaddr *mac); | |
d62a17ae | 88 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n); |
d62a17ae | 89 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
90 | struct in_addr *r_vtep_ip); | |
996c9314 | 91 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 92 | uint32_t flags); |
d62a17ae | 93 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip); |
996c9314 | 94 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 95 | struct ethaddr *macaddr, |
f07e1c99 | 96 | uint8_t flags, uint32_t seq); |
996c9314 | 97 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a QY |
98 | struct ethaddr *macaddr, |
99 | uint8_t flags); | |
d62a17ae | 100 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n); |
101 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n); | |
b7cfce93 | 102 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
996c9314 LB |
103 | struct interface *br_if); |
104 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if); | |
d62a17ae | 105 | |
b7cfce93 | 106 | /* l3-vni next-hop neigh related APIs */ |
2dbad57f | 107 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
108 | struct ipaddr *ip); |
109 | static void *zl3vni_nh_alloc(void *p); | |
110 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, | |
111 | struct ipaddr *vtep_ip, | |
112 | struct ethaddr *rmac); | |
113 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
114 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); | |
2dbad57f | 115 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n); |
b7cfce93 MK |
116 | |
117 | /* l3-vni rmac related APIs */ | |
118 | static void zl3vni_print_rmac_hash(struct hash_backet *, void *); | |
2dbad57f | 119 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
120 | struct ethaddr *rmac); |
121 | static void *zl3vni_rmac_alloc(void *p); | |
122 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, | |
123 | struct ethaddr *rmac); | |
124 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
125 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); | |
996c9314 | 126 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac); |
b7cfce93 MK |
127 | |
128 | /* l3-vni related APIs*/ | |
b7cfce93 MK |
129 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni); |
130 | static void *zl3vni_alloc(void *p); | |
131 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id); | |
132 | static int zl3vni_del(zebra_l3vni_t *zl3vni); | |
133 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t); | |
b7cfce93 MK |
134 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni); |
135 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni); | |
b7cfce93 MK |
136 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni); |
137 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni); | |
138 | ||
d62a17ae | 139 | static unsigned int mac_hash_keymake(void *p); |
74df8d6d | 140 | static bool mac_cmp(const void *p1, const void *p2); |
d62a17ae | 141 | static void *zvni_mac_alloc(void *p); |
142 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr); | |
143 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d62a17ae | 144 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
145 | struct in_addr *r_vtep_ip); | |
996c9314 | 146 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 147 | uint32_t flags); |
d62a17ae | 148 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *macaddr); |
996c9314 | 149 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 150 | uint8_t flags, uint32_t seq); |
996c9314 | 151 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 152 | uint8_t flags); |
d62a17ae | 153 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
154 | struct interface *br_if, vlanid_t vid); | |
155 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac); | |
d63c1b18 | 156 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac); |
d62a17ae | 157 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt); |
158 | ||
159 | static unsigned int vni_hash_keymake(void *p); | |
d62a17ae | 160 | static void *zvni_alloc(void *p); |
2853fed6 | 161 | static zebra_vni_t *zvni_lookup(vni_t vni); |
162 | static zebra_vni_t *zvni_add(vni_t vni); | |
163 | static int zvni_del(zebra_vni_t *zvni); | |
164 | static int zvni_send_add_to_client(zebra_vni_t *zvni); | |
165 | static int zvni_send_del_to_client(vni_t vni); | |
166 | static void zvni_build_hash_table(); | |
d62a17ae | 167 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep); |
168 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
169 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
170 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep); | |
171 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall); | |
172 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
173 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip); | |
1a98c087 MK |
174 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); |
175 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni); | |
176 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
177 | struct ethaddr *macaddr, struct ipaddr *ip); | |
178 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
179 | struct ipaddr *ip); | |
180 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp); | |
2853fed6 | 181 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni); |
fe697c6b | 182 | static int remote_neigh_count(zebra_mac_t *zmac); |
183 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac); | |
13d60d35 | 184 | |
185 | /* Private functions */ | |
5e1b0650 | 186 | static int host_rb_entry_compare(const struct host_rb_entry *hle1, |
85442b09 | 187 | const struct host_rb_entry *hle2) |
5e1b0650 DS |
188 | { |
189 | if (hle1->p.family < hle2->p.family) | |
190 | return -1; | |
191 | ||
192 | if (hle1->p.family > hle2->p.family) | |
193 | return 1; | |
194 | ||
195 | if (hle1->p.prefixlen < hle2->p.prefixlen) | |
196 | return -1; | |
197 | ||
198 | if (hle1->p.prefixlen > hle2->p.prefixlen) | |
199 | return 1; | |
200 | ||
201 | if (hle1->p.family == AF_INET) { | |
202 | if (hle1->p.u.prefix4.s_addr < hle2->p.u.prefix4.s_addr) | |
203 | return -1; | |
204 | ||
205 | if (hle1->p.u.prefix4.s_addr > hle2->p.u.prefix4.s_addr) | |
206 | return 1; | |
207 | ||
208 | return 0; | |
2acc2310 DS |
209 | } else if (hle1->p.family == AF_INET6) { |
210 | return memcmp(&hle1->p.u.prefix6, &hle2->p.u.prefix6, | |
211 | IPV6_MAX_BYTELEN); | |
5e1b0650 | 212 | } else { |
9df414fe QY |
213 | zlog_debug("%s: Unexpected family type: %d", |
214 | __PRETTY_FUNCTION__, hle1->p.family); | |
5e1b0650 DS |
215 | return 0; |
216 | } | |
217 | } | |
85442b09 | 218 | RB_GENERATE(host_rb_tree_entry, host_rb_entry, hl_entry, host_rb_entry_compare); |
5e1b0650 | 219 | |
85442b09 | 220 | static uint32_t rb_host_count(struct host_rb_tree_entry *hrbe) |
5e1b0650 DS |
221 | { |
222 | struct host_rb_entry *hle; | |
223 | uint32_t count = 0; | |
224 | ||
85442b09 | 225 | RB_FOREACH (hle, host_rb_tree_entry, hrbe) |
5e1b0650 DS |
226 | count++; |
227 | ||
228 | return count; | |
229 | } | |
13d60d35 | 230 | |
790f8dc5 | 231 | /* |
232 | * Return number of valid MACs in a VNI's MAC hash table - all | |
233 | * remote MACs and non-internal (auto) local MACs count. | |
234 | */ | |
d7c0a89a | 235 | static uint32_t num_valid_macs(zebra_vni_t *zvni) |
790f8dc5 | 236 | { |
237 | unsigned int i; | |
d7c0a89a | 238 | uint32_t num_macs = 0; |
790f8dc5 | 239 | struct hash *hash; |
240 | struct hash_backet *hb; | |
241 | zebra_mac_t *mac; | |
242 | ||
243 | hash = zvni->mac_table; | |
244 | if (!hash) | |
245 | return num_macs; | |
246 | for (i = 0; i < hash->size; i++) { | |
247 | for (hb = hash->index[i]; hb; hb = hb->next) { | |
248 | mac = (zebra_mac_t *)hb->data; | |
249 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
63ce2ee7 | 250 | || CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) |
790f8dc5 | 251 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
252 | num_macs++; | |
253 | } | |
254 | } | |
255 | ||
256 | return num_macs; | |
257 | } | |
258 | ||
2853fed6 | 259 | static int advertise_gw_macip_enabled(zebra_vni_t *zvni) |
1a98c087 | 260 | { |
2853fed6 | 261 | struct zebra_vrf *zvrf; |
262 | ||
263 | zvrf = vrf_info_lookup(VRF_DEFAULT); | |
1a98c087 MK |
264 | if (zvrf && zvrf->advertise_gw_macip) |
265 | return 1; | |
266 | ||
267 | if (zvni && zvni->advertise_gw_macip) | |
268 | return 1; | |
269 | ||
270 | return 0; | |
271 | } | |
272 | ||
cec2e17d | 273 | /* |
274 | * Helper function to determine maximum width of neighbor IP address for | |
275 | * display - just because we're dealing with IPv6 addresses that can | |
276 | * widely vary. | |
277 | */ | |
d62a17ae | 278 | static void zvni_find_neigh_addr_width(struct hash_backet *backet, void *ctxt) |
cec2e17d | 279 | { |
d62a17ae | 280 | zebra_neigh_t *n; |
281 | char buf[INET6_ADDRSTRLEN]; | |
282 | struct neigh_walk_ctx *wctx = ctxt; | |
283 | int width; | |
cec2e17d | 284 | |
d62a17ae | 285 | n = (zebra_neigh_t *)backet->data; |
cec2e17d | 286 | |
1445b43c A |
287 | ipaddr2str(&n->ip, buf, sizeof(buf)); |
288 | width = strlen(buf); | |
d62a17ae | 289 | if (width > wctx->addr_width) |
290 | wctx->addr_width = width; | |
68e33151 | 291 | |
cec2e17d | 292 | } |
293 | ||
294 | /* | |
295 | * Print a specific neighbor entry. | |
296 | */ | |
cd233079 | 297 | static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json) |
cec2e17d | 298 | { |
d62a17ae | 299 | struct vty *vty; |
300 | char buf1[ETHER_ADDR_STRLEN]; | |
301 | char buf2[INET6_ADDRSTRLEN]; | |
1a8c5c38 | 302 | const char *type_str; |
303 | const char *state_str; | |
304 | bool flags_present = false; | |
cec2e17d | 305 | |
cd233079 CS |
306 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); |
307 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); | |
1a8c5c38 | 308 | type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ? |
309 | "local" : "remote"; | |
310 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; | |
cd233079 CS |
311 | vty = (struct vty *)ctxt; |
312 | if (json == NULL) { | |
313 | vty_out(vty, "IP: %s\n", | |
314 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
1a8c5c38 | 315 | vty_out(vty, " Type: %s\n", type_str); |
316 | vty_out(vty, " State: %s\n", state_str); | |
317 | vty_out(vty, " MAC: %s\n", | |
cd233079 CS |
318 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
319 | } else { | |
320 | json_object_string_add(json, "ip", buf2); | |
1a8c5c38 | 321 | json_object_string_add(json, "type", type_str); |
322 | json_object_string_add(json, "state", state_str); | |
cd233079 CS |
323 | json_object_string_add(json, "mac", buf1); |
324 | } | |
325 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
b6938a74 | 326 | if (json == NULL) { |
1a8c5c38 | 327 | vty_out(vty, " Remote VTEP: %s\n", |
cd233079 | 328 | inet_ntoa(n->r_vtep_ip)); |
b6938a74 | 329 | } else |
cd233079 CS |
330 | json_object_string_add(json, "remoteVtep", |
331 | inet_ntoa(n->r_vtep_ip)); | |
332 | } | |
ead40654 | 333 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) { |
1a8c5c38 | 334 | if (!json) { |
335 | vty_out(vty, " Flags: Default-gateway"); | |
336 | flags_present = true; | |
337 | } else | |
ead40654 MK |
338 | json_object_boolean_true_add(json, "defaultGateway"); |
339 | } | |
68e33151 | 340 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG)) { |
1a8c5c38 | 341 | if (!json) { |
342 | vty_out(vty, | |
343 | flags_present ? " ,Router" : " Flags: Router"); | |
344 | flags_present = true; | |
345 | } | |
68e33151 | 346 | } |
f07e1c99 | 347 | if (json == NULL) { |
1a8c5c38 | 348 | if (flags_present) |
349 | vty_out(vty, "\n"); | |
350 | vty_out(vty, " Local Seq: %u Remote Seq: %u\n", | |
f07e1c99 | 351 | n->loc_seq, n->rem_seq); |
1a8c5c38 | 352 | } else { |
353 | json_object_int_add(json, "localSequence", n->loc_seq); | |
354 | json_object_int_add(json, "remoteSequence", n->rem_seq); | |
68e33151 | 355 | } |
cec2e17d | 356 | } |
357 | ||
358 | /* | |
359 | * Print neighbor hash entry - called for display of all neighbors. | |
360 | */ | |
d62a17ae | 361 | static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt) |
362 | { | |
363 | struct vty *vty; | |
cd233079 | 364 | json_object *json_vni = NULL, *json_row = NULL; |
d62a17ae | 365 | zebra_neigh_t *n; |
366 | char buf1[ETHER_ADDR_STRLEN]; | |
367 | char buf2[INET6_ADDRSTRLEN]; | |
368 | struct neigh_walk_ctx *wctx = ctxt; | |
1a8c5c38 | 369 | const char *state_str; |
d62a17ae | 370 | |
371 | vty = wctx->vty; | |
cd233079 | 372 | json_vni = wctx->json; |
d62a17ae | 373 | n = (zebra_neigh_t *)backet->data; |
d62a17ae | 374 | |
cd233079 CS |
375 | if (json_vni) |
376 | json_row = json_object_new_object(); | |
377 | ||
d62a17ae | 378 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)); |
379 | ipaddr2str(&n->ip, buf2, sizeof(buf2)); | |
1a8c5c38 | 380 | state_str = IS_ZEBRA_NEIGH_ACTIVE(n) ? "active" : "inactive"; |
381 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
382 | if (wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) | |
383 | return; | |
384 | ||
cd233079 | 385 | if (json_vni == NULL) { |
1a8c5c38 | 386 | vty_out(vty, "%*s %-6s %-8s %-17s\n", |
387 | -wctx->addr_width, buf2, "local", | |
388 | state_str, buf1); | |
cd233079 CS |
389 | } else { |
390 | json_object_string_add(json_row, "type", "local"); | |
1a8c5c38 | 391 | json_object_string_add(json_row, "state", state_str); |
cd233079 | 392 | json_object_string_add(json_row, "mac", buf1); |
1a8c5c38 | 393 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) |
394 | json_object_boolean_true_add( | |
395 | json_row, "defaultGateway"); | |
396 | json_object_int_add(json_row, "localSequence", | |
397 | n->loc_seq); | |
398 | json_object_int_add(json_row, "remoteSequence", | |
399 | n->rem_seq); | |
cd233079 | 400 | } |
d62a17ae | 401 | wctx->count++; |
1a8c5c38 | 402 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
403 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
404 | !IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip)) | |
405 | return; | |
406 | ||
407 | if (json_vni == NULL) { | |
408 | if ((wctx->flags & SHOW_REMOTE_NEIGH_FROM_VTEP) && | |
409 | (wctx->count == 0)) | |
410 | vty_out(vty, | |
411 | "%*s %-6s %-8s %-17s %-21s\n", | |
412 | -wctx->addr_width, "Neighbor", "Type", | |
413 | "State", "MAC", "Remote VTEP"); | |
414 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", | |
415 | -wctx->addr_width, buf2, "remote", state_str, | |
416 | buf1, inet_ntoa(n->r_vtep_ip)); | |
cd233079 | 417 | } else { |
1a8c5c38 | 418 | json_object_string_add(json_row, "type", "remote"); |
419 | json_object_string_add(json_row, "state", state_str); | |
420 | json_object_string_add(json_row, "mac", buf1); | |
421 | json_object_string_add(json_row, "remoteVtep", | |
422 | inet_ntoa(n->r_vtep_ip)); | |
423 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW)) | |
424 | json_object_boolean_true_add(json_row, | |
425 | "defaultGateway"); | |
426 | json_object_int_add(json_row, "localSequence", | |
427 | n->loc_seq); | |
428 | json_object_int_add(json_row, "remoteSequence", | |
429 | n->rem_seq); | |
d62a17ae | 430 | } |
1a8c5c38 | 431 | wctx->count++; |
d62a17ae | 432 | } |
cd233079 CS |
433 | |
434 | if (json_vni) | |
435 | json_object_object_add(json_vni, buf2, json_row); | |
cec2e17d | 436 | } |
437 | ||
438 | /* | |
439 | * Print neighbors for all VNI. | |
440 | */ | |
d62a17ae | 441 | static void zvni_print_neigh_hash_all_vni(struct hash_backet *backet, |
cd233079 | 442 | void **args) |
cec2e17d | 443 | { |
d62a17ae | 444 | struct vty *vty; |
cd233079 | 445 | json_object *json = NULL, *json_vni = NULL; |
d62a17ae | 446 | zebra_vni_t *zvni; |
d7c0a89a | 447 | uint32_t num_neigh; |
d62a17ae | 448 | struct neigh_walk_ctx wctx; |
cd233079 CS |
449 | char vni_str[VNI_STR_LEN]; |
450 | ||
451 | vty = (struct vty *)args[0]; | |
452 | json = (json_object *)args[1]; | |
cec2e17d | 453 | |
d62a17ae | 454 | zvni = (zebra_vni_t *)backet->data; |
9ea660be | 455 | |
d62a17ae | 456 | num_neigh = hashcount(zvni->neigh_table); |
68e33151 | 457 | if (json == NULL) { |
cd233079 CS |
458 | vty_out(vty, |
459 | "\nVNI %u #ARP (IPv4 and IPv6, local and remote) %u\n\n", | |
460 | zvni->vni, num_neigh); | |
68e33151 | 461 | } else { |
cd233079 CS |
462 | json_vni = json_object_new_object(); |
463 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
464 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
465 | } | |
466 | if (!num_neigh) { | |
467 | if (json) | |
468 | json_object_object_add(json, vni_str, json_vni); | |
d62a17ae | 469 | return; |
cd233079 | 470 | } |
cec2e17d | 471 | |
d62a17ae | 472 | /* Since we have IPv6 addresses to deal with which can vary widely in |
473 | * size, we try to be a bit more elegant in display by first computing | |
474 | * the maximum width. | |
475 | */ | |
476 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
477 | wctx.zvni = zvni; | |
478 | wctx.vty = vty; | |
479 | wctx.addr_width = 15; | |
cd233079 | 480 | wctx.json = json_vni; |
d62a17ae | 481 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
cec2e17d | 482 | |
68e33151 | 483 | if (json == NULL) { |
1a8c5c38 | 484 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
485 | -wctx.addr_width, "IP", "Type", | |
486 | "State", "MAC", "Remote VTEP"); | |
68e33151 | 487 | } |
d62a17ae | 488 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
489 | |
490 | if (json) | |
491 | json_object_object_add(json, vni_str, json_vni); | |
cec2e17d | 492 | } |
493 | ||
9aa741ea | 494 | /* print a specific next hop for an l3vni */ |
996c9314 | 495 | static void zl3vni_print_nh(zebra_neigh_t *n, struct vty *vty, |
c0e519d3 | 496 | json_object *json) |
9aa741ea MK |
497 | { |
498 | char buf1[ETHER_ADDR_STRLEN]; | |
499 | char buf2[INET6_ADDRSTRLEN]; | |
c0e519d3 | 500 | json_object *json_hosts = NULL; |
f2a503f0 | 501 | struct host_rb_entry *hle; |
9aa741ea | 502 | |
c0e519d3 MK |
503 | if (!json) { |
504 | vty_out(vty, "Ip: %s\n", | |
505 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); | |
506 | vty_out(vty, " RMAC: %s\n", | |
996c9314 | 507 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
f2a503f0 DS |
508 | vty_out(vty, " Refcount: %d\n", |
509 | rb_host_count(&n->host_rb)); | |
4cce389e | 510 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 511 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 512 | vty_out(vty, " %s\n", |
f2a503f0 | 513 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
c0e519d3 MK |
514 | } else { |
515 | json_hosts = json_object_new_array(); | |
996c9314 LB |
516 | json_object_string_add( |
517 | json, "ip", ipaddr2str(&(n->ip), buf2, sizeof(buf2))); | |
518 | json_object_string_add( | |
519 | json, "routerMac", | |
520 | prefix_mac2str(&n->emac, buf2, sizeof(buf2))); | |
f2a503f0 DS |
521 | json_object_int_add(json, "refCount", |
522 | rb_host_count(&n->host_rb)); | |
85442b09 | 523 | RB_FOREACH (hle, host_rb_tree_entry, &n->host_rb) |
c0e519d3 | 524 | json_object_array_add(json_hosts, |
996c9314 | 525 | json_object_new_string(prefix2str( |
f2a503f0 | 526 | &hle->p, buf2, sizeof(buf2)))); |
4cce389e | 527 | json_object_object_add(json, "prefixList", json_hosts); |
c0e519d3 | 528 | } |
9aa741ea MK |
529 | } |
530 | ||
531 | /* Print a specific RMAC entry */ | |
996c9314 | 532 | static void zl3vni_print_rmac(zebra_mac_t *zrmac, struct vty *vty, |
316f4ca4 | 533 | json_object *json) |
9aa741ea MK |
534 | { |
535 | char buf1[ETHER_ADDR_STRLEN]; | |
536 | char buf2[PREFIX_STRLEN]; | |
316f4ca4 | 537 | json_object *json_hosts = NULL; |
5e1b0650 | 538 | struct host_rb_entry *hle; |
9aa741ea | 539 | |
316f4ca4 MK |
540 | if (!json) { |
541 | vty_out(vty, "MAC: %s\n", | |
542 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
543 | vty_out(vty, " Remote VTEP: %s\n", | |
544 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); | |
41db76c2 | 545 | vty_out(vty, " Refcount: %d\n", rb_host_count(&zrmac->host_rb)); |
4cce389e | 546 | vty_out(vty, " Prefixes:\n"); |
85442b09 | 547 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
316f4ca4 | 548 | vty_out(vty, " %s\n", |
5e1b0650 | 549 | prefix2str(&hle->p, buf2, sizeof(buf2))); |
316f4ca4 MK |
550 | } else { |
551 | json_hosts = json_object_new_array(); | |
996c9314 LB |
552 | json_object_string_add( |
553 | json, "routerMac", | |
554 | prefix_mac2str(&zrmac->macaddr, buf1, sizeof(buf1))); | |
4cce389e | 555 | json_object_string_add(json, "vtepIp", |
316f4ca4 | 556 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
41db76c2 DS |
557 | json_object_int_add(json, "refCount", |
558 | rb_host_count(&zrmac->host_rb)); | |
1a8c5c38 | 559 | json_object_int_add(json, "localSequence", zrmac->loc_seq); |
560 | json_object_int_add(json, "remoteSequence", zrmac->rem_seq); | |
85442b09 | 561 | RB_FOREACH (hle, host_rb_tree_entry, &zrmac->host_rb) |
5e1b0650 DS |
562 | json_object_array_add( |
563 | json_hosts, | |
564 | json_object_new_string(prefix2str( | |
565 | &hle->p, buf2, sizeof(buf2)))); | |
4cce389e | 566 | json_object_object_add(json, "prefixList", json_hosts); |
316f4ca4 | 567 | } |
9aa741ea MK |
568 | } |
569 | ||
cec2e17d | 570 | /* |
571 | * Print a specific MAC entry. | |
572 | */ | |
d62a17ae | 573 | static void zvni_print_mac(zebra_mac_t *mac, void *ctxt) |
574 | { | |
575 | struct vty *vty; | |
b6938a74 MK |
576 | zebra_neigh_t *n = NULL; |
577 | struct listnode *node = NULL; | |
d62a17ae | 578 | char buf1[20]; |
b6938a74 | 579 | char buf2[INET6_ADDRSTRLEN]; |
d62a17ae | 580 | |
581 | vty = (struct vty *)ctxt; | |
582 | vty_out(vty, "MAC: %s", | |
583 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1))); | |
584 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
585 | struct zebra_ns *zns; | |
586 | struct interface *ifp; | |
587 | ifindex_t ifindex; | |
588 | ||
589 | ifindex = mac->fwd_info.local.ifindex; | |
590 | zns = zebra_ns_lookup(NS_DEFAULT); | |
591 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
592 | if (!ifp) // unexpected | |
593 | return; | |
594 | vty_out(vty, " Intf: %s(%u)", ifp->name, ifindex); | |
595 | if (mac->fwd_info.local.vid) | |
596 | vty_out(vty, " VLAN: %u", mac->fwd_info.local.vid); | |
b6938a74 | 597 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
d62a17ae | 598 | vty_out(vty, " Remote VTEP: %s", |
599 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
b6938a74 MK |
600 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { |
601 | vty_out(vty, " Auto Mac "); | |
602 | } | |
b6938a74 | 603 | |
ead40654 MK |
604 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) |
605 | vty_out(vty, " Sticky Mac "); | |
606 | ||
607 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) | |
608 | vty_out(vty, " Default-gateway Mac "); | |
609 | ||
51f4dab4 AK |
610 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW)) |
611 | vty_out(vty, " Remote-gateway Mac "); | |
612 | ||
0a97666d | 613 | vty_out(vty, "\n"); |
f07e1c99 | 614 | vty_out(vty, " Local Seq: %u Remote Seq: %u", |
615 | mac->loc_seq, mac->rem_seq); | |
616 | vty_out(vty, "\n"); | |
617 | ||
b6938a74 MK |
618 | /* print all the associated neigh */ |
619 | vty_out(vty, " Neighbors:\n"); | |
620 | if (!listcount(mac->neigh_list)) | |
621 | vty_out(vty, " No Neighbors\n"); | |
622 | else { | |
623 | for (ALL_LIST_ELEMENTS_RO(mac->neigh_list, node, n)) { | |
624 | vty_out(vty, " %s %s\n", | |
625 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
f07e1c99 | 626 | (IS_ZEBRA_NEIGH_ACTIVE(n) |
627 | ? "Active" : "Inactive")); | |
b6938a74 | 628 | } |
d62a17ae | 629 | } |
b6938a74 | 630 | |
d62a17ae | 631 | vty_out(vty, "\n"); |
cec2e17d | 632 | } |
633 | ||
634 | /* | |
635 | * Print MAC hash entry - called for display of all MACs. | |
636 | */ | |
d62a17ae | 637 | static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt) |
638 | { | |
639 | struct vty *vty; | |
cd233079 | 640 | json_object *json_mac_hdr = NULL, *json_mac = NULL; |
d62a17ae | 641 | zebra_mac_t *mac; |
642 | char buf1[20]; | |
643 | struct mac_walk_ctx *wctx = ctxt; | |
644 | ||
645 | vty = wctx->vty; | |
cd233079 | 646 | json_mac_hdr = wctx->json; |
d62a17ae | 647 | mac = (zebra_mac_t *)backet->data; |
d62a17ae | 648 | |
649 | prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1)); | |
cd233079 CS |
650 | |
651 | if (json_mac_hdr) | |
652 | json_mac = json_object_new_object(); | |
653 | ||
1a8c5c38 | 654 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { |
d62a17ae | 655 | struct zebra_ns *zns; |
656 | ifindex_t ifindex; | |
657 | struct interface *ifp; | |
658 | vlanid_t vid; | |
659 | ||
1a8c5c38 | 660 | if (wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) |
661 | return; | |
662 | ||
d62a17ae | 663 | zns = zebra_ns_lookup(NS_DEFAULT); |
664 | ifindex = mac->fwd_info.local.ifindex; | |
665 | ifp = if_lookup_by_index_per_ns(zns, ifindex); | |
666 | if (!ifp) // unexpected | |
667 | return; | |
668 | vid = mac->fwd_info.local.vid; | |
cd233079 CS |
669 | if (json_mac_hdr == NULL) |
670 | vty_out(vty, "%-17s %-6s %-21s", buf1, "local", | |
671 | ifp->name); | |
672 | else { | |
673 | json_object_string_add(json_mac, "type", "local"); | |
674 | json_object_string_add(json_mac, "intf", ifp->name); | |
675 | } | |
676 | if (vid) { | |
677 | if (json_mac_hdr == NULL) | |
678 | vty_out(vty, " %-5u", vid); | |
679 | else | |
680 | json_object_int_add(json_mac, "vlan", vid); | |
681 | } | |
1a8c5c38 | 682 | if (json_mac_hdr == NULL) { |
cd233079 | 683 | vty_out(vty, "\n"); |
1a8c5c38 | 684 | } else { |
685 | json_object_int_add(json_mac, "localSequence", | |
686 | mac->loc_seq); | |
687 | json_object_int_add(json_mac, "remoteSequence", | |
688 | mac->rem_seq); | |
cd233079 | 689 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
1a8c5c38 | 690 | } |
691 | ||
d62a17ae | 692 | wctx->count++; |
1a8c5c38 | 693 | |
b6938a74 | 694 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { |
1a8c5c38 | 695 | |
696 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
697 | !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
698 | &wctx->r_vtep_ip)) | |
699 | return; | |
700 | ||
701 | if (json_mac_hdr == NULL) { | |
702 | if ((wctx->flags & SHOW_REMOTE_MAC_FROM_VTEP) && | |
703 | (wctx->count == 0)) { | |
704 | vty_out(vty, "\nVNI %u\n\n", wctx->zvni->vni); | |
705 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", | |
706 | "Type", "Intf/Remote VTEP", "VLAN"); | |
d62a17ae | 707 | } |
1a8c5c38 | 708 | vty_out(vty, "%-17s %-6s %-21s\n", buf1, "remote", |
709 | inet_ntoa(mac->fwd_info.r_vtep_ip)); | |
d62a17ae | 710 | } else { |
1a8c5c38 | 711 | json_object_string_add(json_mac, "type", "remote"); |
712 | json_object_string_add(json_mac, "remoteVtep", | |
cd233079 | 713 | inet_ntoa(mac->fwd_info.r_vtep_ip)); |
1a8c5c38 | 714 | json_object_object_add(json_mac_hdr, buf1, json_mac); |
715 | json_object_int_add(json_mac, "localSequence", | |
716 | mac->loc_seq); | |
717 | json_object_int_add(json_mac, "remoteSequence", | |
718 | mac->rem_seq); | |
d62a17ae | 719 | } |
1a8c5c38 | 720 | |
721 | wctx->count++; | |
d62a17ae | 722 | } |
cec2e17d | 723 | } |
724 | ||
725 | /* | |
726 | * Print MACs for all VNI. | |
727 | */ | |
d62a17ae | 728 | static void zvni_print_mac_hash_all_vni(struct hash_backet *backet, void *ctxt) |
cec2e17d | 729 | { |
d62a17ae | 730 | struct vty *vty; |
cd233079 CS |
731 | json_object *json = NULL, *json_vni = NULL; |
732 | json_object *json_mac = NULL; | |
d62a17ae | 733 | zebra_vni_t *zvni; |
d7c0a89a | 734 | uint32_t num_macs; |
d62a17ae | 735 | struct mac_walk_ctx *wctx = ctxt; |
cd233079 | 736 | char vni_str[VNI_STR_LEN]; |
cec2e17d | 737 | |
d62a17ae | 738 | vty = (struct vty *)wctx->vty; |
cd233079 | 739 | json = (struct json_object *)wctx->json; |
cec2e17d | 740 | |
d62a17ae | 741 | zvni = (zebra_vni_t *)backet->data; |
d62a17ae | 742 | wctx->zvni = zvni; |
cec2e17d | 743 | |
d62a17ae | 744 | /*We are iterating over a new VNI, set the count to 0*/ |
745 | wctx->count = 0; | |
cec2e17d | 746 | |
790f8dc5 | 747 | num_macs = num_valid_macs(zvni); |
d62a17ae | 748 | if (!num_macs) |
749 | return; | |
cd233079 CS |
750 | |
751 | if (json) { | |
752 | json_vni = json_object_new_object(); | |
753 | json_mac = json_object_new_object(); | |
754 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
d62a17ae | 755 | } |
cec2e17d | 756 | |
cd233079 CS |
757 | if (!CHECK_FLAG(wctx->flags, SHOW_REMOTE_MAC_FROM_VTEP)) { |
758 | if (json == NULL) { | |
759 | vty_out(vty, "\nVNI %u #MACs (local and remote) %u\n\n", | |
760 | zvni->vni, num_macs); | |
761 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
762 | "Intf/Remote VTEP", "VLAN"); | |
763 | } else | |
764 | json_object_int_add(json_vni, "numMacs", num_macs); | |
765 | } | |
766 | /* assign per-vni to wctx->json object to fill macs | |
767 | * under the vni. Re-assign primary json object to fill | |
768 | * next vni information. | |
769 | */ | |
770 | wctx->json = json_mac; | |
d62a17ae | 771 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, wctx); |
cd233079 CS |
772 | wctx->json = json; |
773 | if (json) { | |
774 | if (wctx->count) | |
775 | json_object_object_add(json_vni, "macs", json_mac); | |
776 | json_object_object_add(json, vni_str, json_vni); | |
777 | } | |
cec2e17d | 778 | } |
779 | ||
996c9314 | 780 | static void zl3vni_print_nh_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
781 | { |
782 | struct nh_walk_ctx *wctx = NULL; | |
783 | struct vty *vty = NULL; | |
32798965 | 784 | struct json_object *json_vni = NULL; |
b7cfce93 MK |
785 | struct json_object *json_nh = NULL; |
786 | zebra_neigh_t *n = NULL; | |
787 | char buf1[ETHER_ADDR_STRLEN]; | |
2dbad57f | 788 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
789 | |
790 | wctx = (struct nh_walk_ctx *)ctx; | |
791 | vty = wctx->vty; | |
32798965 MK |
792 | json_vni = wctx->json; |
793 | if (json_vni) | |
b7cfce93 MK |
794 | json_nh = json_object_new_object(); |
795 | n = (zebra_neigh_t *)backet->data; | |
b7cfce93 | 796 | |
32798965 | 797 | if (!json_vni) { |
4cce389e | 798 | vty_out(vty, "%-15s %-17s\n", |
2dbad57f | 799 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), |
4cce389e | 800 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); |
b7cfce93 | 801 | } else { |
4cce389e | 802 | json_object_string_add(json_nh, "nexthopIp", |
32798965 | 803 | ipaddr2str(&n->ip, buf2, sizeof(buf2))); |
996c9314 LB |
804 | json_object_string_add( |
805 | json_nh, "routerMac", | |
806 | prefix_mac2str(&n->emac, buf1, sizeof(buf1))); | |
32798965 MK |
807 | json_object_object_add(json_vni, |
808 | ipaddr2str(&(n->ip), buf2, sizeof(buf2)), | |
809 | json_nh); | |
b7cfce93 MK |
810 | } |
811 | } | |
812 | ||
2dbad57f | 813 | static void zl3vni_print_nh_hash_all_vni(struct hash_backet *backet, |
32798965 | 814 | void **args) |
2dbad57f | 815 | { |
816 | struct vty *vty = NULL; | |
817 | json_object *json = NULL; | |
818 | json_object *json_vni = NULL; | |
2dbad57f | 819 | zebra_l3vni_t *zl3vni = NULL; |
820 | uint32_t num_nh = 0; | |
32798965 | 821 | struct nh_walk_ctx wctx; |
2dbad57f | 822 | char vni_str[VNI_STR_LEN]; |
823 | ||
32798965 MK |
824 | vty = (struct vty *)args[0]; |
825 | json = (struct json_object *)args[1]; | |
2dbad57f | 826 | |
827 | zl3vni = (zebra_l3vni_t *)backet->data; | |
2dbad57f | 828 | |
829 | num_nh = hashcount(zl3vni->nh_table); | |
830 | if (!num_nh) | |
831 | return; | |
832 | ||
833 | if (json) { | |
834 | json_vni = json_object_new_object(); | |
2dbad57f | 835 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
836 | } | |
837 | ||
838 | if (json == NULL) { | |
996c9314 | 839 | vty_out(vty, "\nVNI %u #Next-Hops %u\n\n", zl3vni->vni, num_nh); |
4cce389e | 840 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
2dbad57f | 841 | } else |
4cce389e | 842 | json_object_int_add(json_vni, "numNextHops", num_nh); |
2dbad57f | 843 | |
32798965 MK |
844 | memset(&wctx, 0, sizeof(struct nh_walk_ctx)); |
845 | wctx.vty = vty; | |
846 | wctx.json = json_vni; | |
847 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
848 | if (json) | |
2dbad57f | 849 | json_object_object_add(json, vni_str, json_vni); |
2dbad57f | 850 | } |
851 | ||
b7cfce93 | 852 | static void zl3vni_print_rmac_hash_all_vni(struct hash_backet *backet, |
c0b4eaa4 | 853 | void **args) |
b7cfce93 MK |
854 | { |
855 | struct vty *vty = NULL; | |
856 | json_object *json = NULL; | |
857 | json_object *json_vni = NULL; | |
b7cfce93 | 858 | zebra_l3vni_t *zl3vni = NULL; |
d7c0a89a | 859 | uint32_t num_rmacs; |
c0b4eaa4 | 860 | struct rmac_walk_ctx wctx; |
b7cfce93 MK |
861 | char vni_str[VNI_STR_LEN]; |
862 | ||
c0b4eaa4 MK |
863 | vty = (struct vty *)args[0]; |
864 | json = (struct json_object *)args[1]; | |
b7cfce93 MK |
865 | |
866 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
867 | |
868 | num_rmacs = hashcount(zl3vni->rmac_table); | |
869 | if (!num_rmacs) | |
870 | return; | |
871 | ||
872 | if (json) { | |
873 | json_vni = json_object_new_object(); | |
b7cfce93 MK |
874 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); |
875 | } | |
876 | ||
877 | if (json == NULL) { | |
996c9314 | 878 | vty_out(vty, "\nVNI %u #RMACs %u\n\n", zl3vni->vni, num_rmacs); |
4cce389e | 879 | vty_out(vty, "%-17s %-21s\n", "RMAC", "Remote VTEP"); |
b7cfce93 MK |
880 | } else |
881 | json_object_int_add(json_vni, "numRmacs", num_rmacs); | |
882 | ||
883 | /* assign per-vni to wctx->json object to fill macs | |
884 | * under the vni. Re-assign primary json object to fill | |
885 | * next vni information. | |
886 | */ | |
c0b4eaa4 MK |
887 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); |
888 | wctx.vty = vty; | |
889 | wctx.json = json_vni; | |
890 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
891 | if (json) | |
b7cfce93 | 892 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 MK |
893 | } |
894 | ||
996c9314 | 895 | static void zl3vni_print_rmac_hash(struct hash_backet *backet, void *ctx) |
b7cfce93 MK |
896 | { |
897 | zebra_mac_t *zrmac = NULL; | |
898 | struct rmac_walk_ctx *wctx = NULL; | |
899 | struct vty *vty = NULL; | |
900 | struct json_object *json = NULL; | |
901 | struct json_object *json_rmac = NULL; | |
902 | char buf[ETHER_ADDR_STRLEN]; | |
903 | ||
904 | wctx = (struct rmac_walk_ctx *)ctx; | |
905 | vty = wctx->vty; | |
906 | json = wctx->json; | |
907 | if (json) | |
908 | json_rmac = json_object_new_object(); | |
909 | zrmac = (zebra_mac_t *)backet->data; | |
b7cfce93 MK |
910 | |
911 | if (!json) { | |
4cce389e | 912 | vty_out(vty, "%-17s %-21s\n", |
b7cfce93 | 913 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), |
996c9314 | 914 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
b7cfce93 | 915 | } else { |
996c9314 LB |
916 | json_object_string_add( |
917 | json_rmac, "routerMac", | |
918 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf))); | |
4cce389e | 919 | json_object_string_add(json_rmac, "vtepIp", |
b7cfce93 | 920 | inet_ntoa(zrmac->fwd_info.r_vtep_ip)); |
996c9314 LB |
921 | json_object_object_add( |
922 | json, prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
923 | json_rmac); | |
b7cfce93 MK |
924 | } |
925 | } | |
926 | ||
927 | /* print a specific L3 VNI entry */ | |
928 | static void zl3vni_print(zebra_l3vni_t *zl3vni, void **ctx) | |
929 | { | |
930 | char buf[ETHER_ADDR_STRLEN]; | |
931 | struct vty *vty = NULL; | |
932 | json_object *json = NULL; | |
933 | zebra_vni_t *zvni = NULL; | |
934 | json_object *json_vni_list = NULL; | |
935 | struct listnode *node = NULL, *nnode = NULL; | |
936 | ||
937 | vty = ctx[0]; | |
938 | json = ctx[1]; | |
939 | ||
940 | if (!json) { | |
941 | vty_out(vty, "VNI: %u\n", zl3vni->vni); | |
4cce389e | 942 | vty_out(vty, " Type: %s\n", "L3"); |
996c9314 | 943 | vty_out(vty, " Tenant VRF: %s\n", zl3vni_vrf_name(zl3vni)); |
4cce389e | 944 | vty_out(vty, " Local Vtep Ip: %s\n", |
b67a60d2 | 945 | inet_ntoa(zl3vni->local_vtep_ip)); |
b7cfce93 MK |
946 | vty_out(vty, " Vxlan-Intf: %s\n", |
947 | zl3vni_vxlan_if_name(zl3vni)); | |
996c9314 LB |
948 | vty_out(vty, " SVI-If: %s\n", zl3vni_svi_if_name(zl3vni)); |
949 | vty_out(vty, " State: %s\n", zl3vni_state2str(zl3vni)); | |
c48d9f5f | 950 | vty_out(vty, " VNI Filter: %s\n", |
996c9314 LB |
951 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) |
952 | ? "prefix-routes-only" | |
953 | : "none"); | |
4cce389e | 954 | vty_out(vty, " Router MAC: %s\n", |
b7cfce93 | 955 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
4cce389e | 956 | vty_out(vty, " L2 VNIs: "); |
b7cfce93 MK |
957 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) |
958 | vty_out(vty, "%u ", zvni->vni); | |
959 | vty_out(vty, "\n"); | |
960 | } else { | |
961 | json_vni_list = json_object_new_array(); | |
962 | json_object_int_add(json, "vni", zl3vni->vni); | |
4cce389e MK |
963 | json_object_string_add(json, "type", "L3"); |
964 | json_object_string_add(json, "localVtepIp", | |
b67a60d2 | 965 | inet_ntoa(zl3vni->local_vtep_ip)); |
4cce389e | 966 | json_object_string_add(json, "vxlanIntf", |
b7cfce93 | 967 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e | 968 | json_object_string_add(json, "sviIntf", |
b7cfce93 | 969 | zl3vni_svi_if_name(zl3vni)); |
996c9314 LB |
970 | json_object_string_add(json, "state", zl3vni_state2str(zl3vni)); |
971 | json_object_string_add(json, "vrf", zl3vni_vrf_name(zl3vni)); | |
972 | json_object_string_add( | |
973 | json, "routerMac", | |
974 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
975 | json_object_string_add( | |
976 | json, "vniFilter", | |
977 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
978 | ? "prefix-routes-only" | |
979 | : "none"); | |
b7cfce93 MK |
980 | for (ALL_LIST_ELEMENTS(zl3vni->l2vnis, node, nnode, zvni)) { |
981 | json_object_array_add(json_vni_list, | |
982 | json_object_new_int(zvni->vni)); | |
983 | } | |
4cce389e | 984 | json_object_object_add(json, "l2Vnis", json_vni_list); |
b7cfce93 MK |
985 | } |
986 | } | |
987 | ||
cec2e17d | 988 | /* |
989 | * Print a specific VNI entry. | |
990 | */ | |
cd233079 | 991 | static void zvni_print(zebra_vni_t *zvni, void **ctxt) |
d62a17ae | 992 | { |
993 | struct vty *vty; | |
994 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
995 | uint32_t num_macs; |
996 | uint32_t num_neigh; | |
cd233079 CS |
997 | json_object *json = NULL; |
998 | json_object *json_vtep_list = NULL; | |
999 | json_object *json_ip_str = NULL; | |
d62a17ae | 1000 | |
cd233079 CS |
1001 | vty = ctxt[0]; |
1002 | json = ctxt[1]; | |
1003 | ||
b7cfce93 | 1004 | if (json == NULL) { |
cd233079 | 1005 | vty_out(vty, "VNI: %u\n", zvni->vni); |
4cce389e MK |
1006 | vty_out(vty, " Type: %s\n", "L2"); |
1007 | vty_out(vty, " Tenant VRF: %s\n", vrf_id_to_name(zvni->vrf_id)); | |
b7cfce93 | 1008 | } else { |
cd233079 | 1009 | json_object_int_add(json, "vni", zvni->vni); |
4cce389e | 1010 | json_object_string_add(json, "type", "L2"); |
b7cfce93 MK |
1011 | json_object_string_add(json, "vrf", |
1012 | vrf_id_to_name(zvni->vrf_id)); | |
1013 | } | |
d62a17ae | 1014 | |
d62a17ae | 1015 | if (!zvni->vxlan_if) { // unexpected |
cd233079 CS |
1016 | if (json == NULL) |
1017 | vty_out(vty, " VxLAN interface: unknown\n"); | |
d62a17ae | 1018 | return; |
1019 | } | |
790f8dc5 | 1020 | num_macs = num_valid_macs(zvni); |
cd233079 | 1021 | num_neigh = hashcount(zvni->neigh_table); |
4cce389e | 1022 | if (json == NULL) { |
996c9314 | 1023 | vty_out(vty, " VxLAN interface: %s\n", zvni->vxlan_if->name); |
4cce389e | 1024 | vty_out(vty, " VxLAN ifIndex: %u\n", zvni->vxlan_if->ifindex); |
996c9314 | 1025 | vty_out(vty, " Local VTEP IP: %s\n", |
cd233079 | 1026 | inet_ntoa(zvni->local_vtep_ip)); |
4cce389e | 1027 | } else { |
cd233079 CS |
1028 | json_object_string_add(json, "vxlanInterface", |
1029 | zvni->vxlan_if->name); | |
1030 | json_object_int_add(json, "ifindex", zvni->vxlan_if->ifindex); | |
1031 | json_object_string_add(json, "vtepIp", | |
1032 | inet_ntoa(zvni->local_vtep_ip)); | |
ddd16ed5 MK |
1033 | json_object_string_add(json, "advertiseGatewayMacip", |
1034 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 CS |
1035 | json_object_int_add(json, "numMacs", num_macs); |
1036 | json_object_int_add(json, "numArpNd", num_neigh); | |
1037 | } | |
d62a17ae | 1038 | if (!zvni->vteps) { |
cd233079 CS |
1039 | if (json == NULL) |
1040 | vty_out(vty, " No remote VTEPs known for this VNI\n"); | |
d62a17ae | 1041 | } else { |
cd233079 CS |
1042 | if (json == NULL) |
1043 | vty_out(vty, " Remote VTEPs for this VNI:\n"); | |
1044 | else | |
1045 | json_vtep_list = json_object_new_array(); | |
1046 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1047 | if (json == NULL) | |
1048 | vty_out(vty, " %s\n", | |
1049 | inet_ntoa(zvtep->vtep_ip)); | |
1050 | else { | |
1051 | json_ip_str = json_object_new_string( | |
1052 | inet_ntoa(zvtep->vtep_ip)); | |
1053 | json_object_array_add(json_vtep_list, | |
1054 | json_ip_str); | |
1055 | } | |
1056 | } | |
1057 | if (json) | |
1058 | json_object_object_add(json, "numRemoteVteps", | |
1059 | json_vtep_list); | |
1060 | } | |
1061 | if (json == NULL) { | |
1062 | vty_out(vty, | |
1063 | " Number of MACs (local and remote) known for this VNI: %u\n", | |
1064 | num_macs); | |
1065 | vty_out(vty, | |
1066 | " Number of ARPs (IPv4 and IPv6, local and remote) " | |
1067 | "known for this VNI: %u\n", | |
1068 | num_neigh); | |
ddd16ed5 MK |
1069 | vty_out(vty, " Advertise-gw-macip: %s\n", |
1070 | zvni->advertise_gw_macip ? "Yes" : "No"); | |
d62a17ae | 1071 | } |
cec2e17d | 1072 | } |
1073 | ||
b7cfce93 | 1074 | /* print a L3 VNI hash entry */ |
996c9314 | 1075 | static void zl3vni_print_hash(struct hash_backet *backet, void *ctx[]) |
b7cfce93 | 1076 | { |
b7cfce93 MK |
1077 | struct vty *vty = NULL; |
1078 | json_object *json = NULL; | |
51d8de8f | 1079 | json_object *json_vni = NULL; |
b7cfce93 MK |
1080 | zebra_l3vni_t *zl3vni = NULL; |
1081 | ||
51d8de8f MK |
1082 | vty = (struct vty *)ctx[0]; |
1083 | json = (json_object *)ctx[1]; | |
b7cfce93 MK |
1084 | |
1085 | zl3vni = (zebra_l3vni_t *)backet->data; | |
b7cfce93 MK |
1086 | |
1087 | if (!json) { | |
996c9314 LB |
1088 | vty_out(vty, "%-10u %-4s %-21s %-8lu %-8lu %-15s %-37s\n", |
1089 | zl3vni->vni, "L3", zl3vni_vxlan_if_name(zl3vni), | |
4cce389e | 1090 | hashcount(zl3vni->rmac_table), |
996c9314 | 1091 | hashcount(zl3vni->nh_table), "n/a", |
4cce389e | 1092 | zl3vni_vrf_name(zl3vni)); |
b7cfce93 | 1093 | } else { |
51d8de8f MK |
1094 | char vni_str[VNI_STR_LEN]; |
1095 | ||
1096 | snprintf(vni_str, VNI_STR_LEN, "%u", zl3vni->vni); | |
1097 | json_vni = json_object_new_object(); | |
1098 | json_object_int_add(json_vni, "vni", zl3vni->vni); | |
4cce389e | 1099 | json_object_string_add(json_vni, "vxlanIf", |
b7cfce93 | 1100 | zl3vni_vxlan_if_name(zl3vni)); |
4cce389e MK |
1101 | json_object_int_add(json_vni, "numMacs", |
1102 | hashcount(zl3vni->rmac_table)); | |
1103 | json_object_int_add(json_vni, "numArpNd", | |
1104 | hashcount(zl3vni->nh_table)); | |
1105 | json_object_string_add(json_vni, "numRemoteVteps", "n/a"); | |
1106 | json_object_string_add(json_vni, "type", "L3"); | |
1107 | json_object_string_add(json_vni, "tenantVrf", | |
b7cfce93 | 1108 | zl3vni_vrf_name(zl3vni)); |
51d8de8f | 1109 | json_object_object_add(json, vni_str, json_vni); |
b7cfce93 | 1110 | } |
b7cfce93 MK |
1111 | } |
1112 | ||
cec2e17d | 1113 | /* |
1114 | * Print a VNI hash entry - called for display of all VNIs. | |
1115 | */ | |
cd233079 | 1116 | static void zvni_print_hash(struct hash_backet *backet, void *ctxt[]) |
cec2e17d | 1117 | { |
d62a17ae | 1118 | struct vty *vty; |
1119 | zebra_vni_t *zvni; | |
1120 | zebra_vtep_t *zvtep; | |
d7c0a89a QY |
1121 | uint32_t num_vteps = 0; |
1122 | uint32_t num_macs = 0; | |
1123 | uint32_t num_neigh = 0; | |
cd233079 CS |
1124 | json_object *json = NULL; |
1125 | json_object *json_vni = NULL; | |
1126 | json_object *json_ip_str = NULL; | |
1127 | json_object *json_vtep_list = NULL; | |
1128 | ||
1129 | vty = ctxt[0]; | |
1130 | json = ctxt[1]; | |
cec2e17d | 1131 | |
d62a17ae | 1132 | zvni = (zebra_vni_t *)backet->data; |
cec2e17d | 1133 | |
d62a17ae | 1134 | zvtep = zvni->vteps; |
1135 | while (zvtep) { | |
1136 | num_vteps++; | |
1137 | zvtep = zvtep->next; | |
1138 | } | |
cec2e17d | 1139 | |
790f8dc5 | 1140 | num_macs = num_valid_macs(zvni); |
d62a17ae | 1141 | num_neigh = hashcount(zvni->neigh_table); |
cd233079 | 1142 | if (json == NULL) |
996c9314 | 1143 | vty_out(vty, "%-10u %-4s %-21s %-8u %-8u %-15u %-37s\n", |
4cce389e | 1144 | zvni->vni, "L2", |
cd233079 | 1145 | zvni->vxlan_if ? zvni->vxlan_if->name : "unknown", |
996c9314 | 1146 | num_macs, num_neigh, num_vteps, |
b7cfce93 | 1147 | vrf_id_to_name(zvni->vrf_id)); |
cd233079 CS |
1148 | else { |
1149 | char vni_str[VNI_STR_LEN]; | |
1150 | snprintf(vni_str, VNI_STR_LEN, "%u", zvni->vni); | |
1151 | json_vni = json_object_new_object(); | |
4cce389e MK |
1152 | json_object_int_add(json_vni, "vni", zvni->vni); |
1153 | json_object_string_add(json_vni, "type", "L2"); | |
cd233079 CS |
1154 | json_object_string_add(json_vni, "vxlanIf", |
1155 | zvni->vxlan_if ? zvni->vxlan_if->name | |
1156 | : "unknown"); | |
cd233079 CS |
1157 | json_object_int_add(json_vni, "numMacs", num_macs); |
1158 | json_object_int_add(json_vni, "numArpNd", num_neigh); | |
1159 | json_object_int_add(json_vni, "numRemoteVteps", num_vteps); | |
4cce389e MK |
1160 | json_object_string_add(json_vni, "tenantVrf", |
1161 | vrf_id_to_name(zvni->vrf_id)); | |
cd233079 CS |
1162 | if (num_vteps) { |
1163 | json_vtep_list = json_object_new_array(); | |
1164 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
1165 | json_ip_str = json_object_new_string( | |
1166 | inet_ntoa(zvtep->vtep_ip)); | |
1167 | json_object_array_add(json_vtep_list, | |
1168 | json_ip_str); | |
1169 | } | |
1170 | json_object_object_add(json_vni, "remoteVteps", | |
1171 | json_vtep_list); | |
1172 | } | |
1173 | json_object_object_add(json, vni_str, json_vni); | |
1174 | } | |
cec2e17d | 1175 | } |
1176 | ||
13d60d35 | 1177 | /* |
2232a77c | 1178 | * Inform BGP about local MACIP. |
1179 | */ | |
996c9314 | 1180 | static int zvni_macip_send_msg_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 1181 | struct ipaddr *ip, uint8_t flags, |
f07e1c99 | 1182 | uint32_t seq, uint16_t cmd) |
d62a17ae | 1183 | { |
d62a17ae | 1184 | char buf[ETHER_ADDR_STRLEN]; |
1185 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1186 | int ipa_len; |
1187 | struct zserv *client = NULL; | |
1188 | struct stream *s = NULL; | |
d62a17ae | 1189 | |
21ccc0cf | 1190 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 1191 | /* BGP may not be running. */ |
1192 | if (!client) | |
1193 | return 0; | |
1194 | ||
1002497a | 1195 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 1196 | |
7cf15b25 | 1197 | zclient_create_header(s, cmd, VRF_DEFAULT); |
d62a17ae | 1198 | stream_putl(s, vni); |
ff8b7eb8 | 1199 | stream_put(s, macaddr->octet, ETH_ALEN); |
d62a17ae | 1200 | if (ip) { |
1201 | ipa_len = 0; | |
1202 | if (IS_IPADDR_V4(ip)) | |
1203 | ipa_len = IPV4_MAX_BYTELEN; | |
1204 | else if (IS_IPADDR_V6(ip)) | |
1205 | ipa_len = IPV6_MAX_BYTELEN; | |
1206 | ||
1207 | stream_putl(s, ipa_len); /* IP address length */ | |
1208 | if (ipa_len) | |
1209 | stream_put(s, &ip->ip.addr, ipa_len); /* IP address */ | |
1210 | } else | |
1211 | stream_putl(s, 0); /* Just MAC. */ | |
1212 | ||
f07e1c99 | 1213 | if (cmd == ZEBRA_MACIP_ADD) { |
1214 | stream_putc(s, flags); /* sticky mac/gateway mac */ | |
1215 | stream_putl(s, seq); /* sequence number */ | |
1216 | } | |
d62a17ae | 1217 | |
b7cfce93 | 1218 | |
d62a17ae | 1219 | /* Write packet size. */ |
1220 | stream_putw_at(s, 0, stream_get_endp(s)); | |
1221 | ||
1222 | if (IS_ZEBRA_DEBUG_VXLAN) | |
1a98c087 | 1223 | zlog_debug( |
f07e1c99 | 1224 | "Send MACIP %s flags 0x%x MAC %s IP %s seq %u L2-VNI %u to %s", |
996c9314 LB |
1225 | (cmd == ZEBRA_MACIP_ADD) ? "Add" : "Del", flags, |
1226 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
f07e1c99 | 1227 | ipaddr2str(ip, buf2, sizeof(buf2)), seq, vni, |
1a98c087 | 1228 | zebra_route_string(client->proto)); |
d62a17ae | 1229 | |
1230 | if (cmd == ZEBRA_MACIP_ADD) | |
1231 | client->macipadd_cnt++; | |
1232 | else | |
1233 | client->macipdel_cnt++; | |
1234 | ||
21ccc0cf | 1235 | return zserv_send_message(client, s); |
2232a77c | 1236 | } |
1237 | ||
1238 | /* | |
1239 | * Make hash key for neighbors. | |
13d60d35 | 1240 | */ |
d62a17ae | 1241 | static unsigned int neigh_hash_keymake(void *p) |
13d60d35 | 1242 | { |
d62a17ae | 1243 | zebra_neigh_t *n = p; |
1244 | struct ipaddr *ip = &n->ip; | |
13d60d35 | 1245 | |
d62a17ae | 1246 | if (IS_IPADDR_V4(ip)) |
1247 | return jhash_1word(ip->ipaddr_v4.s_addr, 0); | |
2232a77c | 1248 | |
d62a17ae | 1249 | return jhash2(ip->ipaddr_v6.s6_addr32, |
1250 | ZEBRA_NUM_OF(ip->ipaddr_v6.s6_addr32), 0); | |
13d60d35 | 1251 | } |
1252 | ||
1253 | /* | |
2232a77c | 1254 | * Compare two neighbor hash structures. |
13d60d35 | 1255 | */ |
74df8d6d | 1256 | static bool neigh_cmp(const void *p1, const void *p2) |
13d60d35 | 1257 | { |
d62a17ae | 1258 | const zebra_neigh_t *n1 = p1; |
1259 | const zebra_neigh_t *n2 = p2; | |
13d60d35 | 1260 | |
d62a17ae | 1261 | if (n1 == NULL && n2 == NULL) |
74df8d6d | 1262 | return true; |
2232a77c | 1263 | |
d62a17ae | 1264 | if (n1 == NULL || n2 == NULL) |
74df8d6d | 1265 | return false; |
2232a77c | 1266 | |
d62a17ae | 1267 | return (memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)) == 0); |
13d60d35 | 1268 | } |
1269 | ||
27fa3398 DS |
1270 | static int neigh_list_cmp(void *p1, void *p2) |
1271 | { | |
1272 | const zebra_neigh_t *n1 = p1; | |
1273 | const zebra_neigh_t *n2 = p2; | |
1274 | ||
1275 | return memcmp(&n1->ip, &n2->ip, sizeof(struct ipaddr)); | |
1276 | } | |
1277 | ||
13d60d35 | 1278 | /* |
2232a77c | 1279 | * Callback to allocate neighbor hash entry. |
13d60d35 | 1280 | */ |
d62a17ae | 1281 | static void *zvni_neigh_alloc(void *p) |
13d60d35 | 1282 | { |
d62a17ae | 1283 | const zebra_neigh_t *tmp_n = p; |
1284 | zebra_neigh_t *n; | |
13d60d35 | 1285 | |
d62a17ae | 1286 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); |
1287 | *n = *tmp_n; | |
2232a77c | 1288 | |
d62a17ae | 1289 | return ((void *)n); |
13d60d35 | 1290 | } |
1291 | ||
1292 | /* | |
2232a77c | 1293 | * Add neighbor entry. |
13d60d35 | 1294 | */ |
b6938a74 MK |
1295 | static zebra_neigh_t *zvni_neigh_add(zebra_vni_t *zvni, struct ipaddr *ip, |
1296 | struct ethaddr *mac) | |
13d60d35 | 1297 | { |
d62a17ae | 1298 | zebra_neigh_t tmp_n; |
1299 | zebra_neigh_t *n = NULL; | |
b6938a74 | 1300 | zebra_mac_t *zmac = NULL; |
13d60d35 | 1301 | |
d62a17ae | 1302 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); |
1303 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
1304 | n = hash_get(zvni->neigh_table, &tmp_n, zvni_neigh_alloc); | |
1305 | assert(n); | |
13d60d35 | 1306 | |
b6938a74 MK |
1307 | memcpy(&n->emac, mac, ETH_ALEN); |
1308 | n->state = ZEBRA_NEIGH_INACTIVE; | |
1309 | ||
1310 | /* Associate the neigh to mac */ | |
1311 | zmac = zvni_mac_lookup(zvni, mac); | |
1312 | if (zmac) | |
1313 | listnode_add_sort(zmac->neigh_list, n); | |
1314 | ||
d62a17ae | 1315 | return n; |
13d60d35 | 1316 | } |
1317 | ||
1318 | /* | |
2232a77c | 1319 | * Delete neighbor entry. |
13d60d35 | 1320 | */ |
d62a17ae | 1321 | static int zvni_neigh_del(zebra_vni_t *zvni, zebra_neigh_t *n) |
13d60d35 | 1322 | { |
d62a17ae | 1323 | zebra_neigh_t *tmp_n; |
b6938a74 MK |
1324 | zebra_mac_t *zmac = NULL; |
1325 | ||
1326 | zmac = zvni_mac_lookup(zvni, &n->emac); | |
1327 | if (zmac) | |
1328 | listnode_delete(zmac->neigh_list, n); | |
13d60d35 | 1329 | |
d62a17ae | 1330 | /* Free the VNI hash entry and allocated memory. */ |
1331 | tmp_n = hash_release(zvni->neigh_table, n); | |
1332 | if (tmp_n) | |
1333 | XFREE(MTYPE_NEIGH, tmp_n); | |
13d60d35 | 1334 | |
d62a17ae | 1335 | return 0; |
13d60d35 | 1336 | } |
1337 | ||
1338 | /* | |
2232a77c | 1339 | * Free neighbor hash entry (callback) |
13d60d35 | 1340 | */ |
b1599bb6 | 1341 | static void zvni_neigh_del_hash_entry(struct hash_backet *backet, void *arg) |
13d60d35 | 1342 | { |
d62a17ae | 1343 | struct neigh_walk_ctx *wctx = arg; |
1344 | zebra_neigh_t *n = backet->data; | |
2232a77c | 1345 | |
d62a17ae | 1346 | if (((wctx->flags & DEL_LOCAL_NEIGH) && (n->flags & ZEBRA_NEIGH_LOCAL)) |
1347 | || ((wctx->flags & DEL_REMOTE_NEIGH) | |
1348 | && (n->flags & ZEBRA_NEIGH_REMOTE)) | |
1349 | || ((wctx->flags & DEL_REMOTE_NEIGH_FROM_VTEP) | |
1350 | && (n->flags & ZEBRA_NEIGH_REMOTE) | |
1351 | && IPV4_ADDR_SAME(&n->r_vtep_ip, &wctx->r_vtep_ip))) { | |
1352 | if (wctx->upd_client && (n->flags & ZEBRA_NEIGH_LOCAL)) | |
2853fed6 | 1353 | zvni_neigh_send_del_to_client(wctx->zvni->vni, &n->ip, |
1a98c087 | 1354 | &n->emac, 0); |
13d60d35 | 1355 | |
d62a17ae | 1356 | if (wctx->uninstall) |
1357 | zvni_neigh_uninstall(wctx->zvni, n); | |
13d60d35 | 1358 | |
b1599bb6 | 1359 | zvni_neigh_del(wctx->zvni, n); |
d62a17ae | 1360 | } |
13d60d35 | 1361 | |
b1599bb6 | 1362 | return; |
13d60d35 | 1363 | } |
1364 | ||
1365 | /* | |
2232a77c | 1366 | * Delete all neighbor entries from specific VTEP for a particular VNI. |
13d60d35 | 1367 | */ |
d62a17ae | 1368 | static void zvni_neigh_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
1369 | struct in_addr *r_vtep_ip) | |
13d60d35 | 1370 | { |
d62a17ae | 1371 | struct neigh_walk_ctx wctx; |
13d60d35 | 1372 | |
d62a17ae | 1373 | if (!zvni->neigh_table) |
1374 | return; | |
13d60d35 | 1375 | |
d62a17ae | 1376 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1377 | wctx.zvni = zvni; | |
1378 | wctx.uninstall = uninstall; | |
1379 | wctx.flags = DEL_REMOTE_NEIGH_FROM_VTEP; | |
1380 | wctx.r_vtep_ip = *r_vtep_ip; | |
13d60d35 | 1381 | |
b1599bb6 | 1382 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
2232a77c | 1383 | } |
13d60d35 | 1384 | |
2232a77c | 1385 | /* |
1386 | * Delete all neighbor entries for this VNI. | |
1387 | */ | |
996c9314 | 1388 | static void zvni_neigh_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 1389 | uint32_t flags) |
2232a77c | 1390 | { |
d62a17ae | 1391 | struct neigh_walk_ctx wctx; |
13d60d35 | 1392 | |
d62a17ae | 1393 | if (!zvni->neigh_table) |
1394 | return; | |
13d60d35 | 1395 | |
d62a17ae | 1396 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
1397 | wctx.zvni = zvni; | |
d62a17ae | 1398 | wctx.uninstall = uninstall; |
1399 | wctx.upd_client = upd_client; | |
1400 | wctx.flags = flags; | |
2232a77c | 1401 | |
b1599bb6 | 1402 | hash_iterate(zvni->neigh_table, zvni_neigh_del_hash_entry, &wctx); |
13d60d35 | 1403 | } |
1404 | ||
1405 | /* | |
2232a77c | 1406 | * Look up neighbor hash entry. |
1407 | */ | |
d62a17ae | 1408 | static zebra_neigh_t *zvni_neigh_lookup(zebra_vni_t *zvni, struct ipaddr *ip) |
2232a77c | 1409 | { |
d62a17ae | 1410 | zebra_neigh_t tmp; |
1411 | zebra_neigh_t *n; | |
2232a77c | 1412 | |
d62a17ae | 1413 | memset(&tmp, 0, sizeof(tmp)); |
1414 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
1415 | n = hash_lookup(zvni->neigh_table, &tmp); | |
2232a77c | 1416 | |
d62a17ae | 1417 | return n; |
2232a77c | 1418 | } |
1419 | ||
f07e1c99 | 1420 | /* |
1421 | * Process all neighbors associated with a MAC upon the MAC being learnt | |
1422 | * locally or undergoing any other change (such as sequence number). | |
1423 | */ | |
1424 | static void zvni_process_neigh_on_local_mac_change(zebra_vni_t *zvni, | |
1425 | zebra_mac_t *zmac, | |
1426 | bool seq_change) | |
b6938a74 MK |
1427 | { |
1428 | zebra_neigh_t *n = NULL; | |
1429 | struct listnode *node = NULL; | |
1430 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1431 | |
f07e1c99 | 1432 | if (IS_ZEBRA_DEBUG_VXLAN) |
1433 | zlog_debug("Processing neighbors on local MAC %s %s, VNI %u", | |
1434 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1435 | seq_change ? "CHANGE" : "ADD", zvni->vni); | |
1436 | ||
1437 | /* Walk all neighbors and mark any inactive local neighbors as | |
1438 | * active and/or update sequence number upon a move, and inform BGP. | |
1439 | * The action for remote neighbors is TBD. | |
1440 | * NOTE: We can't simply uninstall remote neighbors as the kernel may | |
1441 | * accidentally end up deleting a just-learnt local neighbor. | |
1442 | */ | |
b6938a74 MK |
1443 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1444 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
f07e1c99 | 1445 | if (IS_ZEBRA_NEIGH_INACTIVE(n) || seq_change) { |
b6938a74 | 1446 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 1447 | n->loc_seq = zmac->loc_seq; |
b6938a74 | 1448 | zvni_neigh_send_add_to_client( |
f07e1c99 | 1449 | zvni->vni, &n->ip, &n->emac, |
1450 | n->flags, n->loc_seq); | |
b6938a74 | 1451 | } |
b6938a74 MK |
1452 | } |
1453 | } | |
1454 | } | |
1455 | ||
f07e1c99 | 1456 | /* |
1457 | * Process all neighbors associated with a local MAC upon the MAC being | |
1458 | * deleted. | |
1459 | */ | |
2853fed6 | 1460 | static void zvni_process_neigh_on_local_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1461 | zebra_mac_t *zmac) |
1462 | { | |
1463 | zebra_neigh_t *n = NULL; | |
1464 | struct listnode *node = NULL; | |
1465 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1466 | |
f07e1c99 | 1467 | if (IS_ZEBRA_DEBUG_VXLAN) |
1468 | zlog_debug("Processing neighbors on local MAC %s DEL, VNI %u", | |
1469 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1470 | zvni->vni); | |
1471 | ||
1472 | /* Walk all local neighbors and mark as inactive and inform | |
1473 | * BGP, if needed. | |
1474 | * TBD: There is currently no handling for remote neighbors. We | |
1475 | * don't expect them to exist, if they do, do we install the MAC | |
1476 | * as a remote MAC and the neighbor as remote? | |
1477 | */ | |
b6938a74 MK |
1478 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1479 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1480 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1481 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1482 | n->loc_seq = 0; |
996c9314 LB |
1483 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1484 | &n->emac, 0); | |
b6938a74 | 1485 | } |
b6938a74 MK |
1486 | } |
1487 | } | |
1488 | } | |
1489 | ||
f07e1c99 | 1490 | /* |
1491 | * Process all neighbors associated with a MAC upon the MAC being remotely | |
1492 | * learnt. | |
1493 | */ | |
2853fed6 | 1494 | static void zvni_process_neigh_on_remote_mac_add(zebra_vni_t *zvni, |
b6938a74 MK |
1495 | zebra_mac_t *zmac) |
1496 | { | |
1497 | zebra_neigh_t *n = NULL; | |
1498 | struct listnode *node = NULL; | |
1499 | char buf[ETHER_ADDR_STRLEN]; | |
b6938a74 | 1500 | |
f07e1c99 | 1501 | if (IS_ZEBRA_DEBUG_VXLAN) |
1502 | zlog_debug("Processing neighbors on remote MAC %s ADD, VNI %u", | |
1503 | prefix_mac2str(&zmac->macaddr, buf, sizeof(buf)), | |
1504 | zvni->vni); | |
1505 | ||
1506 | /* Walk all local neighbors and mark as inactive and inform | |
1507 | * BGP, if needed. | |
1508 | */ | |
b6938a74 MK |
1509 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { |
1510 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
1511 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) { | |
b6938a74 | 1512 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 1513 | n->loc_seq = 0; |
996c9314 LB |
1514 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, |
1515 | &n->emac, 0); | |
b6938a74 MK |
1516 | } |
1517 | } | |
1518 | } | |
1519 | } | |
1520 | ||
f07e1c99 | 1521 | /* |
1522 | * Process all neighbors associated with a remote MAC upon the MAC being | |
1523 | * deleted. | |
1524 | */ | |
2853fed6 | 1525 | static void zvni_process_neigh_on_remote_mac_del(zebra_vni_t *zvni, |
b6938a74 MK |
1526 | zebra_mac_t *zmac) |
1527 | { | |
f07e1c99 | 1528 | /* NOTE: Currently a NO-OP. */ |
b6938a74 MK |
1529 | } |
1530 | ||
2232a77c | 1531 | /* |
1532 | * Inform BGP about local neighbor addition. | |
13d60d35 | 1533 | */ |
996c9314 | 1534 | static int zvni_neigh_send_add_to_client(vni_t vni, struct ipaddr *ip, |
ead40654 | 1535 | struct ethaddr *macaddr, |
f07e1c99 | 1536 | uint8_t neigh_flags, |
1537 | uint32_t seq) | |
13d60d35 | 1538 | { |
d7c0a89a | 1539 | uint8_t flags = 0; |
ead40654 MK |
1540 | |
1541 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_DEF_GW)) | |
1542 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
68e33151 CS |
1543 | /* Set router flag (R-bit) based on local neigh entry add */ |
1544 | if (CHECK_FLAG(neigh_flags, ZEBRA_NEIGH_ROUTER_FLAG)) | |
1545 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
ead40654 | 1546 | |
2853fed6 | 1547 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1548 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 1549 | } |
13d60d35 | 1550 | |
2232a77c | 1551 | /* |
1552 | * Inform BGP about local neighbor deletion. | |
1553 | */ | |
996c9314 | 1554 | static int zvni_neigh_send_del_to_client(vni_t vni, struct ipaddr *ip, |
d7c0a89a | 1555 | struct ethaddr *macaddr, uint8_t flags) |
2232a77c | 1556 | { |
2853fed6 | 1557 | return zvni_macip_send_msg_to_client(vni, macaddr, ip, flags, |
f07e1c99 | 1558 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 1559 | } |
1560 | ||
1561 | /* | |
1562 | * Install remote neighbor into the kernel. | |
1563 | */ | |
d62a17ae | 1564 | static int zvni_neigh_install(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1565 | { |
d62a17ae | 1566 | struct zebra_if *zif; |
1567 | struct zebra_l2info_vxlan *vxl; | |
1568 | struct interface *vlan_if; | |
f7dae312 | 1569 | #ifdef GNU_LINUX |
68e33151 | 1570 | uint8_t flags; |
f7dae312 | 1571 | #endif |
68e33151 | 1572 | int ret = 0; |
2232a77c | 1573 | |
d62a17ae | 1574 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1575 | return 0; | |
13d60d35 | 1576 | |
d62a17ae | 1577 | zif = zvni->vxlan_if->info; |
1578 | if (!zif) | |
1579 | return -1; | |
1580 | vxl = &zif->l2info.vxl; | |
13d60d35 | 1581 | |
2853fed6 | 1582 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1583 | if (!vlan_if) |
1584 | return -1; | |
68e33151 CS |
1585 | #ifdef GNU_LINUX |
1586 | flags = NTF_EXT_LEARNED; | |
1587 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
1588 | flags |= NTF_ROUTER; | |
f07e1c99 | 1589 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1590 | ret = kernel_add_neigh(vlan_if, &n->ip, &n->emac, flags); |
1591 | #endif | |
1592 | return ret; | |
2232a77c | 1593 | } |
13d60d35 | 1594 | |
2232a77c | 1595 | /* |
1596 | * Uninstall remote neighbor from the kernel. | |
1597 | */ | |
d62a17ae | 1598 | static int zvni_neigh_uninstall(zebra_vni_t *zvni, zebra_neigh_t *n) |
2232a77c | 1599 | { |
d62a17ae | 1600 | struct zebra_if *zif; |
1601 | struct zebra_l2info_vxlan *vxl; | |
1602 | struct interface *vlan_if; | |
13d60d35 | 1603 | |
d62a17ae | 1604 | if (!(n->flags & ZEBRA_NEIGH_REMOTE)) |
1605 | return 0; | |
2232a77c | 1606 | |
d62a17ae | 1607 | if (!zvni->vxlan_if) { |
9df414fe QY |
1608 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
1609 | zvni->vni, zvni); | |
d62a17ae | 1610 | return -1; |
1611 | } | |
2232a77c | 1612 | |
d62a17ae | 1613 | zif = zvni->vxlan_if->info; |
1614 | if (!zif) | |
1615 | return -1; | |
1616 | vxl = &zif->l2info.vxl; | |
2853fed6 | 1617 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); |
d62a17ae | 1618 | if (!vlan_if) |
1619 | return -1; | |
2232a77c | 1620 | |
f07e1c99 | 1621 | ZEBRA_NEIGH_SET_INACTIVE(n); |
1622 | n->loc_seq = 0; | |
d62a17ae | 1623 | return kernel_del_neigh(vlan_if, &n->ip); |
13d60d35 | 1624 | } |
1625 | ||
1626 | /* | |
2232a77c | 1627 | * Install neighbor hash entry - called upon access VLAN change. |
13d60d35 | 1628 | */ |
d62a17ae | 1629 | static void zvni_install_neigh_hash(struct hash_backet *backet, void *ctxt) |
13d60d35 | 1630 | { |
d62a17ae | 1631 | zebra_neigh_t *n; |
1632 | struct neigh_walk_ctx *wctx = ctxt; | |
13d60d35 | 1633 | |
d62a17ae | 1634 | n = (zebra_neigh_t *)backet->data; |
13d60d35 | 1635 | |
d62a17ae | 1636 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) |
1637 | zvni_neigh_install(wctx->zvni, n); | |
2232a77c | 1638 | } |
13d60d35 | 1639 | |
1a98c087 MK |
1640 | /* Get the VRR interface for SVI if any */ |
1641 | struct interface *zebra_get_vrr_intf_for_svi(struct interface *ifp) | |
1642 | { | |
1643 | struct zebra_vrf *zvrf = NULL; | |
1644 | struct interface *tmp_if = NULL; | |
1645 | struct zebra_if *zif = NULL; | |
1a98c087 MK |
1646 | |
1647 | zvrf = vrf_info_lookup(ifp->vrf_id); | |
1648 | assert(zvrf); | |
1649 | ||
451fda4f | 1650 | FOR_ALL_INTERFACES (zvrf->vrf, tmp_if) { |
1a98c087 MK |
1651 | zif = tmp_if->info; |
1652 | if (!zif) | |
1653 | continue; | |
1654 | ||
1655 | if (!IS_ZEBRA_IF_MACVLAN(tmp_if)) | |
1656 | continue; | |
1657 | ||
1658 | if (zif->link == ifp) | |
1659 | return tmp_if; | |
1660 | } | |
1661 | ||
1662 | return NULL; | |
1663 | } | |
1664 | ||
1665 | static int zvni_del_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1666 | { | |
1a98c087 MK |
1667 | struct listnode *cnode = NULL, *cnnode = NULL; |
1668 | struct connected *c = NULL; | |
1669 | struct ethaddr macaddr; | |
1670 | ||
1a98c087 MK |
1671 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1672 | ||
1673 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1674 | struct ipaddr ip; | |
1675 | ||
1676 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1677 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1678 | continue; | |
1679 | ||
1680 | if (c->address->family == AF_INET) { | |
1681 | ip.ipa_type = IPADDR_V4; | |
1682 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1683 | sizeof(struct in_addr)); | |
1684 | } else if (c->address->family == AF_INET6) { | |
1685 | ip.ipa_type = IPADDR_V6; | |
1686 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1687 | sizeof(struct in6_addr)); | |
1688 | } else { | |
1689 | continue; | |
1690 | } | |
1691 | ||
1692 | zvni_gw_macip_del(ifp, zvni, &ip); | |
1693 | } | |
1694 | ||
1695 | return 0; | |
1696 | } | |
1697 | ||
1698 | static int zvni_add_macip_for_intf(struct interface *ifp, zebra_vni_t *zvni) | |
1699 | { | |
1a98c087 MK |
1700 | struct listnode *cnode = NULL, *cnnode = NULL; |
1701 | struct connected *c = NULL; | |
1702 | struct ethaddr macaddr; | |
1703 | ||
1a98c087 MK |
1704 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
1705 | ||
1706 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1707 | struct ipaddr ip; | |
1708 | ||
1709 | memset(&ip, 0, sizeof(struct ipaddr)); | |
1710 | if (!CHECK_FLAG(c->conf, ZEBRA_IFC_REAL)) | |
1711 | continue; | |
1712 | ||
1713 | if (c->address->family == AF_INET) { | |
1714 | ip.ipa_type = IPADDR_V4; | |
1715 | memcpy(&(ip.ipaddr_v4), &(c->address->u.prefix4), | |
1716 | sizeof(struct in_addr)); | |
1717 | } else if (c->address->family == AF_INET6) { | |
1718 | ip.ipa_type = IPADDR_V6; | |
1719 | memcpy(&(ip.ipaddr_v6), &(c->address->u.prefix6), | |
1720 | sizeof(struct in6_addr)); | |
1721 | } else { | |
1722 | continue; | |
1723 | } | |
1724 | ||
1725 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
1726 | } | |
31310b25 MK |
1727 | return 0; |
1728 | } | |
1729 | ||
1730 | ||
996c9314 | 1731 | static int zvni_advertise_subnet(zebra_vni_t *zvni, struct interface *ifp, |
31310b25 MK |
1732 | int advertise) |
1733 | { | |
1734 | struct listnode *cnode = NULL, *cnnode = NULL; | |
1735 | struct connected *c = NULL; | |
1736 | struct ethaddr macaddr; | |
1737 | ||
1738 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1739 | ||
1740 | for (ALL_LIST_ELEMENTS(ifp->connected, cnode, cnnode, c)) { | |
1741 | struct prefix p; | |
1a98c087 | 1742 | |
31310b25 MK |
1743 | memcpy(&p, c->address, sizeof(struct prefix)); |
1744 | ||
1745 | /* skip link local address */ | |
1746 | if (IN6_IS_ADDR_LINKLOCAL(&p.u.prefix6)) | |
1747 | continue; | |
1748 | ||
1749 | apply_mask(&p); | |
1750 | if (advertise) | |
1751 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
996c9314 | 1752 | ZEBRA_IP_PREFIX_ROUTE_ADD); |
31310b25 MK |
1753 | else |
1754 | ip_prefix_send_to_client(ifp->vrf_id, &p, | |
1755 | ZEBRA_IP_PREFIX_ROUTE_DEL); | |
1756 | } | |
1a98c087 MK |
1757 | return 0; |
1758 | } | |
1759 | ||
1760 | /* | |
1761 | * zvni_gw_macip_add_to_client | |
1762 | */ | |
1763 | static int zvni_gw_macip_add(struct interface *ifp, zebra_vni_t *zvni, | |
1764 | struct ethaddr *macaddr, struct ipaddr *ip) | |
1765 | { | |
1a98c087 MK |
1766 | char buf[ETHER_ADDR_STRLEN]; |
1767 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 MK |
1768 | zebra_neigh_t *n = NULL; |
1769 | zebra_mac_t *mac = NULL; | |
1770 | struct zebra_if *zif = NULL; | |
1771 | struct zebra_l2info_vxlan *vxl = NULL; | |
1772 | ||
1a98c087 MK |
1773 | zif = zvni->vxlan_if->info; |
1774 | if (!zif) | |
1775 | return -1; | |
1776 | ||
1777 | vxl = &zif->l2info.vxl; | |
1778 | ||
1779 | mac = zvni_mac_lookup(zvni, macaddr); | |
1780 | if (!mac) { | |
1781 | mac = zvni_mac_add(zvni, macaddr); | |
1782 | if (!mac) { | |
e914ccbe | 1783 | flog_err(EC_ZEBRA_MAC_ADD_FAILED, |
1c50c1c0 QY |
1784 | "Failed to add MAC %s intf %s(%u) VID %u", |
1785 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1786 | ifp->name, ifp->ifindex, vxl->access_vlan); | |
1a98c087 MK |
1787 | return -1; |
1788 | } | |
1789 | } | |
1790 | ||
1791 | /* Set "local" forwarding info. */ | |
1792 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
1793 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
ead40654 | 1794 | SET_FLAG(mac->flags, ZEBRA_MAC_DEF_GW); |
1a98c087 MK |
1795 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); |
1796 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
1797 | mac->fwd_info.local.vid = vxl->access_vlan; | |
1798 | ||
1799 | n = zvni_neigh_lookup(zvni, ip); | |
1800 | if (!n) { | |
b6938a74 | 1801 | n = zvni_neigh_add(zvni, ip, macaddr); |
1a98c087 | 1802 | if (!n) { |
af4c2728 | 1803 | flog_err( |
e914ccbe | 1804 | EC_ZEBRA_MAC_ADD_FAILED, |
2853fed6 | 1805 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
1806 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
0af35d90 | 1807 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
1a98c087 MK |
1808 | ifp->name, ifp->ifindex, zvni->vni); |
1809 | return -1; | |
1810 | } | |
1811 | } | |
1812 | ||
1813 | /* Set "local" forwarding info. */ | |
1814 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
ead40654 | 1815 | SET_FLAG(n->flags, ZEBRA_NEIGH_DEF_GW); |
1a8c5c38 | 1816 | ZEBRA_NEIGH_SET_ACTIVE(n); |
68e33151 CS |
1817 | /* Set Router flag (R-bit) */ |
1818 | if (ip->ipa_type == IPADDR_V6) | |
1819 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
1a98c087 MK |
1820 | memcpy(&n->emac, macaddr, ETH_ALEN); |
1821 | n->ifindex = ifp->ifindex; | |
1822 | ||
ead40654 MK |
1823 | /* Only advertise in BGP if the knob is enabled */ |
1824 | if (!advertise_gw_macip_enabled(zvni)) | |
1825 | return 0; | |
1826 | ||
1a98c087 MK |
1827 | if (IS_ZEBRA_DEBUG_VXLAN) |
1828 | zlog_debug( | |
68e33151 | 1829 | "SVI %s(%u) L2-VNI %u, sending GW MAC %s IP %s add to BGP with flags 0x%x", |
2853fed6 | 1830 | ifp->name, ifp->ifindex, zvni->vni, |
1e9f448f | 1831 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
68e33151 | 1832 | ipaddr2str(ip, buf2, sizeof(buf2)), n->flags); |
1a98c087 | 1833 | |
f07e1c99 | 1834 | zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
1835 | n->flags, n->loc_seq); | |
1a98c087 MK |
1836 | |
1837 | return 0; | |
1838 | } | |
1839 | ||
1840 | /* | |
1841 | * zvni_gw_macip_del_from_client | |
1842 | */ | |
1843 | static int zvni_gw_macip_del(struct interface *ifp, zebra_vni_t *zvni, | |
1844 | struct ipaddr *ip) | |
1845 | { | |
0af35d90 | 1846 | char buf1[ETHER_ADDR_STRLEN]; |
1a98c087 | 1847 | char buf2[INET6_ADDRSTRLEN]; |
b7cfce93 MK |
1848 | zebra_neigh_t *n = NULL; |
1849 | zebra_mac_t *mac = NULL; | |
1850 | ||
1a98c087 MK |
1851 | /* If the neigh entry is not present nothing to do*/ |
1852 | n = zvni_neigh_lookup(zvni, ip); | |
1853 | if (!n) | |
1854 | return 0; | |
1855 | ||
1856 | /* mac entry should be present */ | |
1857 | mac = zvni_mac_lookup(zvni, &n->emac); | |
0af35d90 | 1858 | if (!mac) { |
9df414fe QY |
1859 | zlog_debug("MAC %s doesnt exists for neigh %s on VNI %u", |
1860 | prefix_mac2str(&n->emac, buf1, sizeof(buf1)), | |
1861 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
0af35d90 RW |
1862 | return -1; |
1863 | } | |
1a98c087 MK |
1864 | |
1865 | /* If the entry is not local nothing to do*/ | |
1866 | if (!CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) | |
1867 | return -1; | |
1868 | ||
ead40654 | 1869 | /* only need to delete the entry from bgp if we sent it before */ |
01a6143b | 1870 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
1871 | zlog_debug( |
1872 | "%u:SVI %s(%u) VNI %u, sending GW MAC %s IP %s del to BGP", | |
1873 | ifp->vrf_id, ifp->name, ifp->ifindex, zvni->vni, | |
ee496c3b | 1874 | prefix_mac2str(&(n->emac), buf1, sizeof(buf1)), |
996c9314 | 1875 | ipaddr2str(ip, buf2, sizeof(buf2))); |
01a6143b MK |
1876 | |
1877 | /* Remove neighbor from BGP. */ | |
1878 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, | |
1879 | ZEBRA_MACIP_TYPE_GW); | |
1a98c087 MK |
1880 | |
1881 | /* Delete this neighbor entry. */ | |
1882 | zvni_neigh_del(zvni, n); | |
1883 | ||
1884 | /* see if the mac needs to be deleted as well*/ | |
1e9f448f | 1885 | if (mac) |
fe697c6b | 1886 | zvni_deref_ip2mac(zvni, mac); |
1a98c087 MK |
1887 | |
1888 | return 0; | |
1889 | } | |
1890 | ||
1891 | static void zvni_gw_macip_del_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1892 | void *ctxt) |
1a98c087 MK |
1893 | { |
1894 | zebra_vni_t *zvni = NULL; | |
1895 | struct zebra_if *zif = NULL; | |
1896 | struct zebra_l2info_vxlan zl2_info; | |
1897 | struct interface *vlan_if = NULL; | |
1898 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1899 | struct interface *ifp; |
1a98c087 MK |
1900 | |
1901 | /* Add primary SVI MAC*/ | |
1902 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1903 | |
b5ebdc9b | 1904 | ifp = zvni->vxlan_if; |
1905 | if (!ifp) | |
1906 | return; | |
1907 | zif = ifp->info; | |
1908 | ||
1909 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1910 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1911 | return; |
1912 | ||
1a98c087 MK |
1913 | zl2_info = zif->l2info.vxl; |
1914 | ||
996c9314 LB |
1915 | vlan_if = |
1916 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1917 | if (!vlan_if) |
1918 | return; | |
1919 | ||
1920 | /* Del primary MAC-IP */ | |
1921 | zvni_del_macip_for_intf(vlan_if, zvni); | |
1922 | ||
1923 | /* Del VRR MAC-IP - if any*/ | |
1924 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1925 | if (vrr_if) | |
1926 | zvni_del_macip_for_intf(vrr_if, zvni); | |
1927 | ||
1928 | return; | |
1929 | } | |
1930 | ||
1931 | static void zvni_gw_macip_add_for_vni_hash(struct hash_backet *backet, | |
2853fed6 | 1932 | void *ctxt) |
1a98c087 MK |
1933 | { |
1934 | zebra_vni_t *zvni = NULL; | |
1935 | struct zebra_if *zif = NULL; | |
1936 | struct zebra_l2info_vxlan zl2_info; | |
1937 | struct interface *vlan_if = NULL; | |
1938 | struct interface *vrr_if = NULL; | |
b5ebdc9b | 1939 | struct interface *ifp = NULL; |
1a98c087 MK |
1940 | |
1941 | zvni = (zebra_vni_t *)backet->data; | |
1a98c087 | 1942 | |
b5ebdc9b | 1943 | ifp = zvni->vxlan_if; |
1944 | if (!ifp) | |
1945 | return; | |
1946 | zif = ifp->info; | |
1947 | ||
1948 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 1949 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 1950 | return; |
1a98c087 MK |
1951 | zl2_info = zif->l2info.vxl; |
1952 | ||
996c9314 LB |
1953 | vlan_if = |
1954 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
1955 | if (!vlan_if) |
1956 | return; | |
1957 | ||
1a98c087 MK |
1958 | /* Add primary SVI MAC-IP */ |
1959 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1960 | ||
1961 | /* Add VRR MAC-IP - if any*/ | |
1962 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
1963 | if (vrr_if) | |
1964 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1965 | ||
1966 | return; | |
1967 | } | |
1968 | ||
ee69da27 MK |
1969 | static int zvni_local_neigh_update(zebra_vni_t *zvni, |
1970 | struct interface *ifp, | |
1971 | struct ipaddr *ip, | |
68e33151 | 1972 | struct ethaddr *macaddr, |
a37f4598 | 1973 | bool is_router) |
ee69da27 MK |
1974 | { |
1975 | char buf[ETHER_ADDR_STRLEN]; | |
1976 | char buf2[INET6_ADDRSTRLEN]; | |
1977 | zebra_neigh_t *n = NULL; | |
1978 | zebra_mac_t *zmac = NULL, *old_zmac = NULL; | |
f07e1c99 | 1979 | uint32_t old_mac_seq = 0, mac_new_seq = 0; |
1980 | bool upd_mac_seq = false; | |
1981 | bool neigh_mac_change = false; | |
29c2ce7c | 1982 | bool check_rbit = false; |
ee69da27 | 1983 | |
f07e1c99 | 1984 | /* Check if the MAC exists. */ |
ee69da27 MK |
1985 | zmac = zvni_mac_lookup(zvni, macaddr); |
1986 | if (!zmac) { | |
f07e1c99 | 1987 | /* create a dummy MAC if the MAC is not already present */ |
ee69da27 MK |
1988 | if (IS_ZEBRA_DEBUG_VXLAN) |
1989 | zlog_debug( | |
1990 | "AUTO MAC %s created for neigh %s on VNI %u", | |
1991 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1992 | ipaddr2str(ip, buf2, sizeof(buf2)), zvni->vni); | |
1993 | ||
1994 | zmac = zvni_mac_add(zvni, macaddr); | |
1995 | if (!zmac) { | |
9df414fe QY |
1996 | zlog_debug("Failed to add MAC %s VNI %u", |
1997 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
1998 | zvni->vni); | |
ee69da27 MK |
1999 | return -1; |
2000 | } | |
2001 | ||
2002 | memset(&zmac->fwd_info, 0, sizeof(zmac->fwd_info)); | |
2003 | memset(&zmac->flags, 0, sizeof(uint32_t)); | |
2004 | SET_FLAG(zmac->flags, ZEBRA_MAC_AUTO); | |
f07e1c99 | 2005 | } else { |
2006 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
2007 | /* | |
2008 | * We don't change the MAC to local upon a neighbor | |
2009 | * learn event, we wait for the explicit local MAC | |
2010 | * learn. However, we have to compute its sequence | |
2011 | * number in preparation for when it actually turns | |
2012 | * local. | |
2013 | */ | |
2014 | upd_mac_seq = true; | |
2015 | } | |
ee69da27 MK |
2016 | } |
2017 | ||
f07e1c99 | 2018 | /* Check if the neighbor exists. */ |
ee69da27 | 2019 | n = zvni_neigh_lookup(zvni, ip); |
f07e1c99 | 2020 | if (!n) { |
2021 | /* New neighbor - create */ | |
2022 | n = zvni_neigh_add(zvni, ip, macaddr); | |
2023 | if (!n) { | |
2024 | flog_err( | |
e914ccbe | 2025 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 2026 | "Failed to add neighbor %s MAC %s intf %s(%u) -> VNI %u", |
2027 | ipaddr2str(ip, buf2, sizeof(buf2)), | |
2028 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2029 | ifp->name, ifp->ifindex, zvni->vni); | |
2030 | return -1; | |
2031 | } | |
2032 | /* Set "local" forwarding info. */ | |
2033 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2034 | n->ifindex = ifp->ifindex; | |
f190902f | 2035 | check_rbit = true; |
f07e1c99 | 2036 | } else { |
ee69da27 | 2037 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { |
66e37987 | 2038 | bool mac_different; |
2039 | bool cur_is_router; | |
2040 | ||
2041 | /* Note any changes and see if of interest to BGP. */ | |
2042 | mac_different = (memcmp(n->emac.octet, | |
2043 | macaddr->octet, ETH_ALEN) != 0) ? 1 : 0; | |
2044 | cur_is_router = !!CHECK_FLAG(n->flags, | |
2045 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2046 | if (!mac_different && is_router == cur_is_router) { | |
ee69da27 | 2047 | n->ifindex = ifp->ifindex; |
66e37987 | 2048 | return 0; |
2049 | } | |
ee69da27 | 2050 | |
66e37987 | 2051 | if (!mac_different) { |
2052 | /* Only the router flag has changed. */ | |
2053 | if (is_router) | |
2054 | SET_FLAG(n->flags, | |
2055 | ZEBRA_NEIGH_ROUTER_FLAG); | |
2056 | else | |
2057 | UNSET_FLAG(n->flags, | |
2058 | ZEBRA_NEIGH_ROUTER_FLAG); | |
ee69da27 | 2059 | |
66e37987 | 2060 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
2061 | return zvni_neigh_send_add_to_client( | |
2062 | zvni->vni, ip, macaddr, | |
2063 | n->flags, n->loc_seq); | |
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | /* The MAC has changed, need to issue a delete | |
2068 | * first as this means a different MACIP route. | |
2069 | * Also, need to do some unlinking/relinking. | |
2070 | * We also need to update the MAC's sequence number | |
2071 | * in different situations. | |
2072 | */ | |
2073 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) | |
2074 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, | |
2075 | &n->emac, 0); | |
2076 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2077 | if (old_zmac) { | |
2078 | old_mac_seq = CHECK_FLAG(old_zmac->flags, | |
2079 | ZEBRA_MAC_REMOTE) ? | |
2080 | old_zmac->rem_seq : old_zmac->loc_seq; | |
2081 | neigh_mac_change = upd_mac_seq = true; | |
2082 | listnode_delete(old_zmac->neigh_list, n); | |
2083 | zvni_deref_ip2mac(zvni, old_zmac); | |
29c2ce7c | 2084 | } |
ee69da27 | 2085 | |
66e37987 | 2086 | /* Update the forwarding info. */ |
2087 | n->ifindex = ifp->ifindex; | |
2088 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2089 | ||
2090 | /* Link to new MAC */ | |
2091 | listnode_add_sort(zmac->neigh_list, n); | |
f07e1c99 | 2092 | } else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { |
2093 | /* | |
2094 | * Neighbor has moved from remote to local. Its | |
2095 | * MAC could have also changed as part of the move. | |
2096 | */ | |
ee69da27 MK |
2097 | if (memcmp(n->emac.octet, macaddr->octet, |
2098 | ETH_ALEN) != 0) { | |
2099 | old_zmac = zvni_mac_lookup(zvni, &n->emac); | |
2100 | if (old_zmac) { | |
9df2b997 | 2101 | old_mac_seq = CHECK_FLAG( |
2102 | old_zmac->flags, | |
2103 | ZEBRA_MAC_REMOTE) ? | |
f07e1c99 | 2104 | old_zmac->rem_seq : |
2105 | old_zmac->loc_seq; | |
2106 | neigh_mac_change = upd_mac_seq = true; | |
9fc1522c DS |
2107 | listnode_delete(old_zmac->neigh_list, |
2108 | n); | |
fe697c6b | 2109 | zvni_deref_ip2mac(zvni, old_zmac); |
ee69da27 MK |
2110 | } |
2111 | ||
2112 | /* Link to new MAC */ | |
2113 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
2114 | listnode_add_sort(zmac->neigh_list, n); | |
2115 | } | |
2116 | ||
2117 | /* Mark appropriately */ | |
2118 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2119 | n->r_vtep_ip.s_addr = 0; | |
2120 | SET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2121 | n->ifindex = ifp->ifindex; | |
29c2ce7c | 2122 | check_rbit = true; |
ee69da27 | 2123 | } |
f07e1c99 | 2124 | } |
2125 | ||
2126 | /* If MAC was previously remote, or the neighbor had a different | |
2127 | * MAC earlier, recompute the sequence number. | |
2128 | */ | |
2129 | if (upd_mac_seq) { | |
2130 | uint32_t seq1, seq2; | |
2131 | ||
2132 | seq1 = CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE) ? | |
2133 | zmac->rem_seq + 1 : zmac->loc_seq; | |
2134 | seq2 = neigh_mac_change ? old_mac_seq + 1 : 0; | |
2135 | mac_new_seq = zmac->loc_seq < MAX(seq1, seq2) ? | |
2136 | MAX(seq1, seq2) : zmac->loc_seq; | |
ee69da27 MK |
2137 | } |
2138 | ||
54c17425 | 2139 | /*Mark Router flag (R-bit) */ |
a37f4598 | 2140 | if (is_router) |
54c17425 CS |
2141 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); |
2142 | else | |
2143 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
2144 | ||
ee69da27 | 2145 | /* Before we program this in BGP, we need to check if MAC is locally |
f07e1c99 | 2146 | * learnt. If not, force neighbor to be inactive and reset its seq. |
ee69da27 MK |
2147 | */ |
2148 | if (!CHECK_FLAG(zmac->flags, ZEBRA_MAC_LOCAL)) { | |
8b44d564 | 2149 | ZEBRA_NEIGH_SET_INACTIVE(n); |
f07e1c99 | 2150 | n->loc_seq = 0; |
2151 | zmac->loc_seq = mac_new_seq; | |
ee69da27 MK |
2152 | return 0; |
2153 | } | |
2154 | ||
bf437f90 | 2155 | if (!check_rbit) |
f190902f | 2156 | return 0; |
68e33151 | 2157 | |
f07e1c99 | 2158 | /* If the MAC's sequence number has changed, inform the MAC and all |
2159 | * neighbors associated with the MAC to BGP, else just inform this | |
2160 | * neighbor. | |
2161 | */ | |
2162 | if (upd_mac_seq && zmac->loc_seq != mac_new_seq) { | |
29c2ce7c | 2163 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 2164 | zlog_debug("Seq changed for MAC %s VNI %u - old %u new %u", |
2165 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2166 | zvni->vni, zmac->loc_seq, mac_new_seq); | |
2167 | zmac->loc_seq = mac_new_seq; | |
2168 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
2169 | zmac->flags, zmac->loc_seq)) | |
2170 | return -1; | |
2171 | zvni_process_neigh_on_local_mac_change(zvni, zmac, 1); | |
29c2ce7c CS |
2172 | return 0; |
2173 | } | |
2174 | ||
ee69da27 | 2175 | ZEBRA_NEIGH_SET_ACTIVE(n); |
f07e1c99 | 2176 | n->loc_seq = zmac->loc_seq; |
ee69da27 | 2177 | |
f07e1c99 | 2178 | return zvni_neigh_send_add_to_client(zvni->vni, ip, macaddr, |
2179 | n->flags, n->loc_seq); | |
ee69da27 MK |
2180 | } |
2181 | ||
2182 | static int zvni_remote_neigh_update(zebra_vni_t *zvni, | |
2183 | struct interface *ifp, | |
2184 | struct ipaddr *ip, | |
2185 | struct ethaddr *macaddr, | |
2186 | uint16_t state) | |
2187 | { | |
2188 | char buf[ETHER_ADDR_STRLEN]; | |
2189 | char buf2[INET6_ADDRSTRLEN]; | |
2190 | zebra_neigh_t *n = NULL; | |
2191 | zebra_mac_t *zmac = NULL; | |
2192 | ||
2193 | /* If the neighbor is unknown, there is no further action. */ | |
2194 | n = zvni_neigh_lookup(zvni, ip); | |
2195 | if (!n) | |
2196 | return 0; | |
2197 | ||
2198 | /* If a remote entry, see if it needs to be refreshed */ | |
2199 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
e9d2cbde | 2200 | #ifdef GNU_LINUX |
ee69da27 MK |
2201 | if (state & NUD_STALE) |
2202 | zvni_neigh_install(zvni, n); | |
e9d2cbde | 2203 | #endif |
ee69da27 MK |
2204 | } else { |
2205 | /* We got a "remote" neighbor notification for an entry | |
2206 | * we think is local. This can happen in a multihoming | |
2207 | * scenario - but only if the MAC is already "remote". | |
2208 | * Just mark our entry as "remote". | |
2209 | */ | |
2210 | zmac = zvni_mac_lookup(zvni, macaddr); | |
2211 | if (!zmac || !CHECK_FLAG(zmac->flags, ZEBRA_MAC_REMOTE)) { | |
9df414fe | 2212 | zlog_debug( |
43e52561 QY |
2213 | "Ignore remote neigh %s (MAC %s) on L2-VNI %u - MAC unknown or local", |
2214 | ipaddr2str(&n->ip, buf2, sizeof(buf2)), | |
2215 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
2216 | zvni->vni); | |
ee69da27 MK |
2217 | return -1; |
2218 | } | |
2219 | ||
2220 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
2221 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
2222 | n->r_vtep_ip = zmac->fwd_info.r_vtep_ip; | |
2223 | } | |
2224 | ||
2225 | return 0; | |
2226 | } | |
2227 | ||
2232a77c | 2228 | /* |
2229 | * Make hash key for MAC. | |
2230 | */ | |
d62a17ae | 2231 | static unsigned int mac_hash_keymake(void *p) |
2232a77c | 2232 | { |
d62a17ae | 2233 | zebra_mac_t *pmac = p; |
25331def DS |
2234 | const void *pnt = (void *)pmac->macaddr.octet; |
2235 | ||
ff8b7eb8 | 2236 | return jhash(pnt, ETH_ALEN, 0xa5a5a55a); |
2232a77c | 2237 | } |
13d60d35 | 2238 | |
2232a77c | 2239 | /* |
2240 | * Compare two MAC addresses. | |
2241 | */ | |
74df8d6d | 2242 | static bool mac_cmp(const void *p1, const void *p2) |
2232a77c | 2243 | { |
d62a17ae | 2244 | const zebra_mac_t *pmac1 = p1; |
2245 | const zebra_mac_t *pmac2 = p2; | |
2232a77c | 2246 | |
d62a17ae | 2247 | if (pmac1 == NULL && pmac2 == NULL) |
74df8d6d | 2248 | return true; |
2232a77c | 2249 | |
d62a17ae | 2250 | if (pmac1 == NULL || pmac2 == NULL) |
74df8d6d | 2251 | return false; |
2232a77c | 2252 | |
996c9314 | 2253 | return (memcmp(pmac1->macaddr.octet, pmac2->macaddr.octet, ETH_ALEN) |
d62a17ae | 2254 | == 0); |
2232a77c | 2255 | } |
2256 | ||
2257 | /* | |
2258 | * Callback to allocate MAC hash entry. | |
2259 | */ | |
d62a17ae | 2260 | static void *zvni_mac_alloc(void *p) |
2232a77c | 2261 | { |
d62a17ae | 2262 | const zebra_mac_t *tmp_mac = p; |
2263 | zebra_mac_t *mac; | |
2232a77c | 2264 | |
d62a17ae | 2265 | mac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
2266 | *mac = *tmp_mac; | |
2232a77c | 2267 | |
d62a17ae | 2268 | return ((void *)mac); |
2232a77c | 2269 | } |
2270 | ||
2271 | /* | |
2272 | * Add MAC entry. | |
2273 | */ | |
d62a17ae | 2274 | static zebra_mac_t *zvni_mac_add(zebra_vni_t *zvni, struct ethaddr *macaddr) |
2232a77c | 2275 | { |
d62a17ae | 2276 | zebra_mac_t tmp_mac; |
2277 | zebra_mac_t *mac = NULL; | |
2232a77c | 2278 | |
d62a17ae | 2279 | memset(&tmp_mac, 0, sizeof(zebra_mac_t)); |
ff8b7eb8 | 2280 | memcpy(&tmp_mac.macaddr, macaddr, ETH_ALEN); |
d62a17ae | 2281 | mac = hash_get(zvni->mac_table, &tmp_mac, zvni_mac_alloc); |
2282 | assert(mac); | |
2232a77c | 2283 | |
b6938a74 | 2284 | mac->neigh_list = list_new(); |
27fa3398 | 2285 | mac->neigh_list->cmp = neigh_list_cmp; |
b6938a74 | 2286 | |
d62a17ae | 2287 | return mac; |
2232a77c | 2288 | } |
2289 | ||
2290 | /* | |
2291 | * Delete MAC entry. | |
2292 | */ | |
d62a17ae | 2293 | static int zvni_mac_del(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2294 | { |
d62a17ae | 2295 | zebra_mac_t *tmp_mac; |
2232a77c | 2296 | |
6a154c88 | 2297 | list_delete(&mac->neigh_list); |
b6938a74 | 2298 | |
d62a17ae | 2299 | /* Free the VNI hash entry and allocated memory. */ |
2300 | tmp_mac = hash_release(zvni->mac_table, mac); | |
2301 | if (tmp_mac) | |
2302 | XFREE(MTYPE_MAC, tmp_mac); | |
2232a77c | 2303 | |
d62a17ae | 2304 | return 0; |
2232a77c | 2305 | } |
2306 | ||
2307 | /* | |
2308 | * Free MAC hash entry (callback) | |
2309 | */ | |
b1599bb6 | 2310 | static void zvni_mac_del_hash_entry(struct hash_backet *backet, void *arg) |
2232a77c | 2311 | { |
d62a17ae | 2312 | struct mac_walk_ctx *wctx = arg; |
2313 | zebra_mac_t *mac = backet->data; | |
2232a77c | 2314 | |
d62a17ae | 2315 | if (((wctx->flags & DEL_LOCAL_MAC) && (mac->flags & ZEBRA_MAC_LOCAL)) |
2316 | || ((wctx->flags & DEL_REMOTE_MAC) | |
2317 | && (mac->flags & ZEBRA_MAC_REMOTE)) | |
2318 | || ((wctx->flags & DEL_REMOTE_MAC_FROM_VTEP) | |
2319 | && (mac->flags & ZEBRA_MAC_REMOTE) | |
2320 | && IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, | |
2321 | &wctx->r_vtep_ip))) { | |
2322 | if (wctx->upd_client && (mac->flags & ZEBRA_MAC_LOCAL)) { | |
996c9314 LB |
2323 | zvni_mac_send_del_to_client(wctx->zvni->vni, |
2324 | &mac->macaddr, mac->flags); | |
d62a17ae | 2325 | } |
2232a77c | 2326 | |
d62a17ae | 2327 | if (wctx->uninstall) |
d63c1b18 | 2328 | zvni_mac_uninstall(wctx->zvni, mac); |
2232a77c | 2329 | |
b1599bb6 | 2330 | zvni_mac_del(wctx->zvni, mac); |
d62a17ae | 2331 | } |
2232a77c | 2332 | |
b1599bb6 | 2333 | return; |
2232a77c | 2334 | } |
2335 | ||
2336 | /* | |
2337 | * Delete all MAC entries from specific VTEP for a particular VNI. | |
2338 | */ | |
d62a17ae | 2339 | static void zvni_mac_del_from_vtep(zebra_vni_t *zvni, int uninstall, |
2340 | struct in_addr *r_vtep_ip) | |
2232a77c | 2341 | { |
d62a17ae | 2342 | struct mac_walk_ctx wctx; |
2232a77c | 2343 | |
d62a17ae | 2344 | if (!zvni->mac_table) |
2345 | return; | |
2232a77c | 2346 | |
d62a17ae | 2347 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2348 | wctx.zvni = zvni; | |
2349 | wctx.uninstall = uninstall; | |
2350 | wctx.flags = DEL_REMOTE_MAC_FROM_VTEP; | |
2351 | wctx.r_vtep_ip = *r_vtep_ip; | |
2232a77c | 2352 | |
b1599bb6 | 2353 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2354 | } |
2355 | ||
2356 | /* | |
2357 | * Delete all MAC entries for this VNI. | |
2358 | */ | |
996c9314 | 2359 | static void zvni_mac_del_all(zebra_vni_t *zvni, int uninstall, int upd_client, |
d7c0a89a | 2360 | uint32_t flags) |
2232a77c | 2361 | { |
d62a17ae | 2362 | struct mac_walk_ctx wctx; |
2232a77c | 2363 | |
d62a17ae | 2364 | if (!zvni->mac_table) |
2365 | return; | |
2232a77c | 2366 | |
d62a17ae | 2367 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
2368 | wctx.zvni = zvni; | |
d62a17ae | 2369 | wctx.uninstall = uninstall; |
2370 | wctx.upd_client = upd_client; | |
2371 | wctx.flags = flags; | |
2232a77c | 2372 | |
b1599bb6 | 2373 | hash_iterate(zvni->mac_table, zvni_mac_del_hash_entry, &wctx); |
2232a77c | 2374 | } |
2375 | ||
2376 | /* | |
2377 | * Look up MAC hash entry. | |
2378 | */ | |
d62a17ae | 2379 | static zebra_mac_t *zvni_mac_lookup(zebra_vni_t *zvni, struct ethaddr *mac) |
2232a77c | 2380 | { |
d62a17ae | 2381 | zebra_mac_t tmp; |
2382 | zebra_mac_t *pmac; | |
2232a77c | 2383 | |
d62a17ae | 2384 | memset(&tmp, 0, sizeof(tmp)); |
ff8b7eb8 | 2385 | memcpy(&tmp.macaddr, mac, ETH_ALEN); |
d62a17ae | 2386 | pmac = hash_lookup(zvni->mac_table, &tmp); |
2232a77c | 2387 | |
d62a17ae | 2388 | return pmac; |
2232a77c | 2389 | } |
2390 | ||
2391 | /* | |
2392 | * Inform BGP about local MAC addition. | |
2393 | */ | |
996c9314 | 2394 | static int zvni_mac_send_add_to_client(vni_t vni, struct ethaddr *macaddr, |
f07e1c99 | 2395 | uint8_t mac_flags, uint32_t seq) |
2232a77c | 2396 | { |
d7c0a89a | 2397 | uint8_t flags = 0; |
ead40654 MK |
2398 | |
2399 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2400 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2401 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2402 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2403 | ||
2853fed6 | 2404 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2405 | seq, ZEBRA_MACIP_ADD); |
2232a77c | 2406 | } |
2407 | ||
2408 | /* | |
2409 | * Inform BGP about local MAC deletion. | |
2410 | */ | |
996c9314 | 2411 | static int zvni_mac_send_del_to_client(vni_t vni, struct ethaddr *macaddr, |
d7c0a89a | 2412 | uint8_t mac_flags) |
2232a77c | 2413 | { |
d7c0a89a | 2414 | uint8_t flags = 0; |
ead40654 MK |
2415 | |
2416 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_STICKY)) | |
2417 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); | |
2418 | if (CHECK_FLAG(mac_flags, ZEBRA_MAC_DEF_GW)) | |
2419 | SET_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
2420 | ||
2853fed6 | 2421 | return zvni_macip_send_msg_to_client(vni, macaddr, NULL, flags, |
f07e1c99 | 2422 | 0, ZEBRA_MACIP_DEL); |
2232a77c | 2423 | } |
2424 | ||
2425 | /* | |
2426 | * Map port or (port, VLAN) to a VNI. This is invoked upon getting MAC | |
2853fed6 | 2427 | * notifications, to see if they are of interest. |
2232a77c | 2428 | */ |
d62a17ae | 2429 | static zebra_vni_t *zvni_map_vlan(struct interface *ifp, |
2430 | struct interface *br_if, vlanid_t vid) | |
2232a77c | 2431 | { |
2853fed6 | 2432 | struct zebra_ns *zns; |
2433 | struct route_node *rn; | |
2434 | struct interface *tmp_if = NULL; | |
d62a17ae | 2435 | struct zebra_if *zif; |
2436 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2437 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2438 | uint8_t bridge_vlan_aware; |
d62a17ae | 2439 | zebra_vni_t *zvni; |
2853fed6 | 2440 | int found = 0; |
2232a77c | 2441 | |
d62a17ae | 2442 | /* Determine if bridge is VLAN-aware or not */ |
2443 | zif = br_if->info; | |
2444 | assert(zif); | |
2445 | br = &zif->l2info.br; | |
2446 | bridge_vlan_aware = br->vlan_aware; | |
2232a77c | 2447 | |
d62a17ae | 2448 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ |
2449 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2450 | zns = zebra_ns_lookup(NS_DEFAULT); |
2451 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2452 | tmp_if = (struct interface *)rn->info; | |
2453 | if (!tmp_if) | |
2454 | continue; | |
d62a17ae | 2455 | zif = tmp_if->info; |
2456 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2457 | continue; | |
2458 | if (!if_is_operative(tmp_if)) | |
2459 | continue; | |
2460 | vxl = &zif->l2info.vxl; | |
2232a77c | 2461 | |
d62a17ae | 2462 | if (zif->brslave_info.br_if != br_if) |
2463 | continue; | |
2232a77c | 2464 | |
2853fed6 | 2465 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2466 | found = 1; | |
d62a17ae | 2467 | break; |
2853fed6 | 2468 | } |
d62a17ae | 2469 | } |
2232a77c | 2470 | |
2853fed6 | 2471 | if (!found) |
d62a17ae | 2472 | return NULL; |
2232a77c | 2473 | |
2853fed6 | 2474 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2475 | return zvni; |
2232a77c | 2476 | } |
2477 | ||
2478 | /* | |
2479 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
2480 | * neighbor notifications, to see if they are of interest. | |
2232a77c | 2481 | */ |
b7cfce93 MK |
2482 | static zebra_vni_t *zvni_from_svi(struct interface *ifp, |
2483 | struct interface *br_if) | |
d62a17ae | 2484 | { |
2853fed6 | 2485 | struct zebra_ns *zns; |
2486 | struct route_node *rn; | |
2487 | struct interface *tmp_if = NULL; | |
d62a17ae | 2488 | struct zebra_if *zif; |
2489 | struct zebra_l2info_bridge *br; | |
2853fed6 | 2490 | struct zebra_l2info_vxlan *vxl = NULL; |
d7c0a89a | 2491 | uint8_t bridge_vlan_aware; |
d62a17ae | 2492 | vlanid_t vid = 0; |
2493 | zebra_vni_t *zvni; | |
2853fed6 | 2494 | int found = 0; |
d62a17ae | 2495 | |
71349e03 MK |
2496 | if (!br_if) |
2497 | return NULL; | |
2498 | ||
d62a17ae | 2499 | /* Make sure the linked interface is a bridge. */ |
2500 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
2501 | return NULL; | |
2502 | ||
d62a17ae | 2503 | /* Determine if bridge is VLAN-aware or not */ |
2504 | zif = br_if->info; | |
2505 | assert(zif); | |
2506 | br = &zif->l2info.br; | |
2507 | bridge_vlan_aware = br->vlan_aware; | |
2508 | if (bridge_vlan_aware) { | |
2509 | struct zebra_l2info_vlan *vl; | |
2510 | ||
2511 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
2512 | return NULL; | |
2513 | ||
2514 | zif = ifp->info; | |
2515 | assert(zif); | |
2516 | vl = &zif->l2info.vl; | |
2517 | vid = vl->vid; | |
2518 | } | |
2519 | ||
2520 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
2521 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2522 | zns = zebra_ns_lookup(NS_DEFAULT); |
2523 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2524 | tmp_if = (struct interface *)rn->info; | |
2525 | if (!tmp_if) | |
2526 | continue; | |
d62a17ae | 2527 | zif = tmp_if->info; |
2528 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2529 | continue; | |
2530 | if (!if_is_operative(tmp_if)) | |
2531 | continue; | |
2532 | vxl = &zif->l2info.vxl; | |
2533 | ||
2534 | if (zif->brslave_info.br_if != br_if) | |
2535 | continue; | |
2536 | ||
2853fed6 | 2537 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { |
2538 | found = 1; | |
d62a17ae | 2539 | break; |
2853fed6 | 2540 | } |
d62a17ae | 2541 | } |
2542 | ||
2853fed6 | 2543 | if (!found) |
d62a17ae | 2544 | return NULL; |
2545 | ||
2853fed6 | 2546 | zvni = zvni_lookup(vxl->vni); |
d62a17ae | 2547 | return zvni; |
2232a77c | 2548 | } |
2549 | ||
2550 | /* Map to SVI on bridge corresponding to specified VLAN. This can be one | |
2551 | * of two cases: | |
2552 | * (a) In the case of a VLAN-aware bridge, the SVI is a L3 VLAN interface | |
2553 | * linked to the bridge | |
2554 | * (b) In the case of a VLAN-unaware bridge, the SVI is the bridge inteface | |
2555 | * itself | |
2556 | */ | |
2853fed6 | 2557 | static struct interface *zvni_map_to_svi(vlanid_t vid, struct interface *br_if) |
d62a17ae | 2558 | { |
2853fed6 | 2559 | struct zebra_ns *zns; |
2560 | struct route_node *rn; | |
2561 | struct interface *tmp_if = NULL; | |
d62a17ae | 2562 | struct zebra_if *zif; |
2563 | struct zebra_l2info_bridge *br; | |
2564 | struct zebra_l2info_vlan *vl; | |
d7c0a89a | 2565 | uint8_t bridge_vlan_aware; |
2853fed6 | 2566 | int found = 0; |
d62a17ae | 2567 | |
b5ebdc9b | 2568 | /* Defensive check, caller expected to invoke only with valid bridge. */ |
2569 | if (!br_if) | |
2570 | return NULL; | |
2571 | ||
d62a17ae | 2572 | /* Determine if bridge is VLAN-aware or not */ |
2573 | zif = br_if->info; | |
2574 | assert(zif); | |
2575 | br = &zif->l2info.br; | |
2576 | bridge_vlan_aware = br->vlan_aware; | |
2577 | ||
2578 | /* Check oper status of the SVI. */ | |
2579 | if (!bridge_vlan_aware) | |
2580 | return if_is_operative(br_if) ? br_if : NULL; | |
2581 | ||
2582 | /* Identify corresponding VLAN interface. */ | |
2583 | /* TODO: Optimize with a hash. */ | |
2853fed6 | 2584 | zns = zebra_ns_lookup(NS_DEFAULT); |
2585 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
2586 | tmp_if = (struct interface *)rn->info; | |
d62a17ae | 2587 | /* Check oper status of the SVI. */ |
2853fed6 | 2588 | if (!tmp_if || !if_is_operative(tmp_if)) |
d62a17ae | 2589 | continue; |
2590 | zif = tmp_if->info; | |
2591 | if (!zif || zif->zif_type != ZEBRA_IF_VLAN | |
2592 | || zif->link != br_if) | |
2593 | continue; | |
2594 | vl = (struct zebra_l2info_vlan *)&zif->l2info.vl; | |
2595 | ||
2853fed6 | 2596 | if (vl->vid == vid) { |
2597 | found = 1; | |
d62a17ae | 2598 | break; |
2853fed6 | 2599 | } |
d62a17ae | 2600 | } |
2601 | ||
2853fed6 | 2602 | return found ? tmp_if : NULL; |
2232a77c | 2603 | } |
2604 | ||
2605 | /* | |
2606 | * Install remote MAC into the kernel. | |
2607 | */ | |
d62a17ae | 2608 | static int zvni_mac_install(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2609 | { |
d62a17ae | 2610 | struct zebra_if *zif; |
2611 | struct zebra_l2info_vxlan *vxl; | |
a37f4598 | 2612 | bool sticky; |
2232a77c | 2613 | |
d62a17ae | 2614 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
2615 | return 0; | |
2232a77c | 2616 | |
d62a17ae | 2617 | zif = zvni->vxlan_if->info; |
2618 | if (!zif) | |
2619 | return -1; | |
2620 | vxl = &zif->l2info.vxl; | |
2232a77c | 2621 | |
a37f4598 | 2622 | sticky = !!CHECK_FLAG(mac->flags, |
2623 | (ZEBRA_MAC_STICKY | ZEBRA_MAC_REMOTE_DEF_GW)); | |
c85c03c7 | 2624 | |
d62a17ae | 2625 | return kernel_add_mac(zvni->vxlan_if, vxl->access_vlan, &mac->macaddr, |
2626 | mac->fwd_info.r_vtep_ip, sticky); | |
2232a77c | 2627 | } |
2628 | ||
2629 | /* | |
d63c1b18 | 2630 | * Uninstall remote MAC from the kernel. |
2232a77c | 2631 | */ |
d63c1b18 | 2632 | static int zvni_mac_uninstall(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2633 | { |
d62a17ae | 2634 | struct zebra_if *zif; |
2635 | struct zebra_l2info_vxlan *vxl; | |
98efddf1 | 2636 | struct in_addr vtep_ip; |
d62a17ae | 2637 | struct interface *ifp; |
2232a77c | 2638 | |
d63c1b18 | 2639 | if (!(mac->flags & ZEBRA_MAC_REMOTE)) |
d62a17ae | 2640 | return 0; |
2232a77c | 2641 | |
d62a17ae | 2642 | if (!zvni->vxlan_if) { |
9df414fe QY |
2643 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
2644 | zvni->vni, zvni); | |
d62a17ae | 2645 | return -1; |
2646 | } | |
2232a77c | 2647 | |
d62a17ae | 2648 | zif = zvni->vxlan_if->info; |
2649 | if (!zif) | |
2650 | return -1; | |
2651 | vxl = &zif->l2info.vxl; | |
2232a77c | 2652 | |
d63c1b18 | 2653 | ifp = zvni->vxlan_if; |
2654 | vtep_ip = mac->fwd_info.r_vtep_ip; | |
2232a77c | 2655 | |
d63c1b18 | 2656 | return kernel_del_mac(ifp, vxl->access_vlan, &mac->macaddr, vtep_ip); |
2232a77c | 2657 | } |
2658 | ||
2659 | /* | |
2660 | * Install MAC hash entry - called upon access VLAN change. | |
2661 | */ | |
d62a17ae | 2662 | static void zvni_install_mac_hash(struct hash_backet *backet, void *ctxt) |
2232a77c | 2663 | { |
d62a17ae | 2664 | zebra_mac_t *mac; |
2665 | struct mac_walk_ctx *wctx = ctxt; | |
2232a77c | 2666 | |
d62a17ae | 2667 | mac = (zebra_mac_t *)backet->data; |
2232a77c | 2668 | |
d62a17ae | 2669 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) |
2670 | zvni_mac_install(wctx->zvni, mac); | |
2232a77c | 2671 | } |
2672 | ||
fe697c6b | 2673 | /* |
2674 | * Count of remote neighbors referencing this MAC. | |
2675 | */ | |
2676 | static int remote_neigh_count(zebra_mac_t *zmac) | |
2677 | { | |
2678 | zebra_neigh_t *n = NULL; | |
2679 | struct listnode *node = NULL; | |
2680 | int count = 0; | |
2681 | ||
2682 | for (ALL_LIST_ELEMENTS_RO(zmac->neigh_list, node, n)) { | |
2683 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) | |
2684 | count++; | |
2685 | } | |
2686 | ||
2687 | return count; | |
2688 | } | |
2689 | ||
2232a77c | 2690 | /* |
2691 | * Decrement neighbor refcount of MAC; uninstall and free it if | |
2692 | * appropriate. | |
2693 | */ | |
fe697c6b | 2694 | static void zvni_deref_ip2mac(zebra_vni_t *zvni, zebra_mac_t *mac) |
2232a77c | 2695 | { |
fe697c6b | 2696 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) |
d62a17ae | 2697 | return; |
2232a77c | 2698 | |
fe697c6b | 2699 | /* If all remote neighbors referencing a remote MAC go away, |
2700 | * we need to uninstall the MAC. | |
2701 | */ | |
2702 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) && | |
2703 | remote_neigh_count(mac) == 0) { | |
d63c1b18 | 2704 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 2705 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
2706 | } | |
2232a77c | 2707 | |
fe697c6b | 2708 | /* If no neighbors, delete the MAC. */ |
2709 | if (list_isempty(mac->neigh_list)) | |
2710 | zvni_mac_del(zvni, mac); | |
2232a77c | 2711 | } |
2712 | ||
2713 | /* | |
2714 | * Read and populate local MACs and neighbors corresponding to this VNI. | |
2715 | */ | |
996c9314 | 2716 | static void zvni_read_mac_neigh(zebra_vni_t *zvni, struct interface *ifp) |
2232a77c | 2717 | { |
2853fed6 | 2718 | struct zebra_ns *zns; |
d62a17ae | 2719 | struct zebra_if *zif; |
2720 | struct interface *vlan_if; | |
2721 | struct zebra_l2info_vxlan *vxl; | |
1a98c087 | 2722 | struct interface *vrr_if; |
2232a77c | 2723 | |
d62a17ae | 2724 | zif = ifp->info; |
2725 | vxl = &zif->l2info.vxl; | |
2853fed6 | 2726 | zns = zebra_ns_lookup(NS_DEFAULT); |
2232a77c | 2727 | |
d62a17ae | 2728 | if (IS_ZEBRA_DEBUG_VXLAN) |
2729 | zlog_debug( | |
2853fed6 | 2730 | "Reading MAC FDB and Neighbors for intf %s(%u) VNI %u master %u", |
2731 | ifp->name, ifp->ifindex, zvni->vni, | |
d62a17ae | 2732 | zif->brslave_info.bridge_ifindex); |
2232a77c | 2733 | |
2853fed6 | 2734 | macfdb_read_for_bridge(zns, ifp, zif->brslave_info.br_if); |
2735 | vlan_if = zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
1a98c087 MK |
2736 | if (vlan_if) { |
2737 | ||
ead40654 MK |
2738 | /* Add SVI MAC-IP */ |
2739 | zvni_add_macip_for_intf(vlan_if, zvni); | |
1a98c087 | 2740 | |
ead40654 MK |
2741 | /* Add VRR MAC-IP - if any*/ |
2742 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
2743 | if (vrr_if) | |
2744 | zvni_add_macip_for_intf(vrr_if, zvni); | |
1a98c087 | 2745 | |
2853fed6 | 2746 | neigh_read_for_vlan(zns, vlan_if); |
1a98c087 | 2747 | } |
2232a77c | 2748 | } |
2749 | ||
2750 | /* | |
2751 | * Hash function for VNI. | |
2752 | */ | |
d62a17ae | 2753 | static unsigned int vni_hash_keymake(void *p) |
2232a77c | 2754 | { |
d62a17ae | 2755 | const zebra_vni_t *zvni = p; |
2232a77c | 2756 | |
d62a17ae | 2757 | return (jhash_1word(zvni->vni, 0)); |
2232a77c | 2758 | } |
2759 | ||
2760 | /* | |
2761 | * Compare 2 VNI hash entries. | |
2762 | */ | |
74df8d6d | 2763 | static bool vni_hash_cmp(const void *p1, const void *p2) |
2232a77c | 2764 | { |
d62a17ae | 2765 | const zebra_vni_t *zvni1 = p1; |
2766 | const zebra_vni_t *zvni2 = p2; | |
2232a77c | 2767 | |
d62a17ae | 2768 | return (zvni1->vni == zvni2->vni); |
2232a77c | 2769 | } |
2770 | ||
27fa3398 DS |
2771 | static int vni_list_cmp(void *p1, void *p2) |
2772 | { | |
2773 | const zebra_vni_t *zvni1 = p1; | |
2774 | const zebra_vni_t *zvni2 = p2; | |
2775 | ||
2776 | if (zvni1->vni == zvni2->vni) | |
2777 | return 0; | |
2778 | return (zvni1->vni < zvni2->vni) ? -1 : 1; | |
2779 | } | |
2780 | ||
2232a77c | 2781 | /* |
2782 | * Callback to allocate VNI hash entry. | |
2783 | */ | |
d62a17ae | 2784 | static void *zvni_alloc(void *p) |
2232a77c | 2785 | { |
d62a17ae | 2786 | const zebra_vni_t *tmp_vni = p; |
2787 | zebra_vni_t *zvni; | |
2232a77c | 2788 | |
d62a17ae | 2789 | zvni = XCALLOC(MTYPE_ZVNI, sizeof(zebra_vni_t)); |
2790 | zvni->vni = tmp_vni->vni; | |
2791 | return ((void *)zvni); | |
2232a77c | 2792 | } |
2793 | ||
2794 | /* | |
2795 | * Look up VNI hash entry. | |
2796 | */ | |
2853fed6 | 2797 | static zebra_vni_t *zvni_lookup(vni_t vni) |
2232a77c | 2798 | { |
2853fed6 | 2799 | struct zebra_vrf *zvrf; |
d62a17ae | 2800 | zebra_vni_t tmp_vni; |
2801 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2802 | |
2853fed6 | 2803 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2804 | assert(zvrf); | |
d62a17ae | 2805 | memset(&tmp_vni, 0, sizeof(zebra_vni_t)); |
2806 | tmp_vni.vni = vni; | |
2807 | zvni = hash_lookup(zvrf->vni_table, &tmp_vni); | |
2232a77c | 2808 | |
d62a17ae | 2809 | return zvni; |
2232a77c | 2810 | } |
2811 | ||
2812 | /* | |
2813 | * Add VNI hash entry. | |
2814 | */ | |
2853fed6 | 2815 | static zebra_vni_t *zvni_add(vni_t vni) |
2232a77c | 2816 | { |
2853fed6 | 2817 | struct zebra_vrf *zvrf; |
d62a17ae | 2818 | zebra_vni_t tmp_zvni; |
2819 | zebra_vni_t *zvni = NULL; | |
2232a77c | 2820 | |
2853fed6 | 2821 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2822 | assert(zvrf); | |
d62a17ae | 2823 | memset(&tmp_zvni, 0, sizeof(zebra_vni_t)); |
2824 | tmp_zvni.vni = vni; | |
2825 | zvni = hash_get(zvrf->vni_table, &tmp_zvni, zvni_alloc); | |
2826 | assert(zvni); | |
2232a77c | 2827 | |
d62a17ae | 2828 | /* Create hash table for MAC */ |
2829 | zvni->mac_table = | |
2830 | hash_create(mac_hash_keymake, mac_cmp, "Zebra VNI MAC Table"); | |
2232a77c | 2831 | |
d62a17ae | 2832 | /* Create hash table for neighbors */ |
2833 | zvni->neigh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
2834 | "Zebra VNI Neighbor Table"); | |
2232a77c | 2835 | |
d62a17ae | 2836 | return zvni; |
2232a77c | 2837 | } |
2838 | ||
2839 | /* | |
2840 | * Delete VNI hash entry. | |
2841 | */ | |
2853fed6 | 2842 | static int zvni_del(zebra_vni_t *zvni) |
2232a77c | 2843 | { |
2853fed6 | 2844 | struct zebra_vrf *zvrf; |
d62a17ae | 2845 | zebra_vni_t *tmp_zvni; |
2232a77c | 2846 | |
2853fed6 | 2847 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
2848 | assert(zvrf); | |
2849 | ||
d62a17ae | 2850 | zvni->vxlan_if = NULL; |
2232a77c | 2851 | |
d62a17ae | 2852 | /* Free the neighbor hash table. */ |
2853 | hash_free(zvni->neigh_table); | |
2854 | zvni->neigh_table = NULL; | |
2232a77c | 2855 | |
d62a17ae | 2856 | /* Free the MAC hash table. */ |
2857 | hash_free(zvni->mac_table); | |
2858 | zvni->mac_table = NULL; | |
2232a77c | 2859 | |
d62a17ae | 2860 | /* Free the VNI hash entry and allocated memory. */ |
2861 | tmp_zvni = hash_release(zvrf->vni_table, zvni); | |
2862 | if (tmp_zvni) | |
2863 | XFREE(MTYPE_ZVNI, tmp_zvni); | |
2232a77c | 2864 | |
d62a17ae | 2865 | return 0; |
2232a77c | 2866 | } |
2867 | ||
2868 | /* | |
2869 | * Inform BGP about local VNI addition. | |
2870 | */ | |
2853fed6 | 2871 | static int zvni_send_add_to_client(zebra_vni_t *zvni) |
2232a77c | 2872 | { |
d62a17ae | 2873 | struct zserv *client; |
2874 | struct stream *s; | |
2232a77c | 2875 | |
21ccc0cf | 2876 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2877 | /* BGP may not be running. */ |
2878 | if (!client) | |
2879 | return 0; | |
2232a77c | 2880 | |
1002497a | 2881 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
2232a77c | 2882 | |
7cf15b25 | 2883 | zclient_create_header(s, ZEBRA_VNI_ADD, VRF_DEFAULT); |
d62a17ae | 2884 | stream_putl(s, zvni->vni); |
2885 | stream_put_in_addr(s, &zvni->local_vtep_ip); | |
b7cfce93 | 2886 | stream_put(s, &zvni->vrf_id, sizeof(vrf_id_t)); /* tenant vrf */ |
2232a77c | 2887 | |
d62a17ae | 2888 | /* Write packet size. */ |
2889 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2890 | |
d62a17ae | 2891 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2892 | zlog_debug("Send VNI_ADD %u %s tenant vrf %s to %s", zvni->vni, |
2893 | inet_ntoa(zvni->local_vtep_ip), | |
b7cfce93 | 2894 | vrf_id_to_name(zvni->vrf_id), |
d62a17ae | 2895 | zebra_route_string(client->proto)); |
2232a77c | 2896 | |
d62a17ae | 2897 | client->vniadd_cnt++; |
21ccc0cf | 2898 | return zserv_send_message(client, s); |
2232a77c | 2899 | } |
2900 | ||
2901 | /* | |
2902 | * Inform BGP about local VNI deletion. | |
2903 | */ | |
2853fed6 | 2904 | static int zvni_send_del_to_client(vni_t vni) |
2232a77c | 2905 | { |
d62a17ae | 2906 | struct zserv *client; |
2907 | struct stream *s; | |
2232a77c | 2908 | |
21ccc0cf | 2909 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
d62a17ae | 2910 | /* BGP may not be running. */ |
2911 | if (!client) | |
2912 | return 0; | |
2232a77c | 2913 | |
1002497a | 2914 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
d62a17ae | 2915 | stream_reset(s); |
2232a77c | 2916 | |
7cf15b25 | 2917 | zclient_create_header(s, ZEBRA_VNI_DEL, VRF_DEFAULT); |
d62a17ae | 2918 | stream_putl(s, vni); |
2232a77c | 2919 | |
d62a17ae | 2920 | /* Write packet size. */ |
2921 | stream_putw_at(s, 0, stream_get_endp(s)); | |
2232a77c | 2922 | |
d62a17ae | 2923 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 2924 | zlog_debug("Send VNI_DEL %u to %s", vni, |
d62a17ae | 2925 | zebra_route_string(client->proto)); |
2232a77c | 2926 | |
d62a17ae | 2927 | client->vnidel_cnt++; |
21ccc0cf | 2928 | return zserv_send_message(client, s); |
2232a77c | 2929 | } |
2930 | ||
2931 | /* | |
2932 | * Build the VNI hash table by going over the VxLAN interfaces. This | |
2933 | * is called when EVPN (advertise-all-vni) is enabled. | |
2934 | */ | |
2853fed6 | 2935 | static void zvni_build_hash_table() |
2232a77c | 2936 | { |
2853fed6 | 2937 | struct zebra_ns *zns; |
2938 | struct route_node *rn; | |
d62a17ae | 2939 | struct interface *ifp; |
2232a77c | 2940 | |
d62a17ae | 2941 | /* Walk VxLAN interfaces and create VNI hash. */ |
2853fed6 | 2942 | zns = zebra_ns_lookup(NS_DEFAULT); |
2943 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
b7cfce93 | 2944 | vni_t vni; |
643215ce | 2945 | zebra_vni_t *zvni = NULL; |
2946 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 2947 | struct zebra_if *zif; |
2948 | struct zebra_l2info_vxlan *vxl; | |
2232a77c | 2949 | |
2853fed6 | 2950 | ifp = (struct interface *)rn->info; |
2951 | if (!ifp) | |
2952 | continue; | |
d62a17ae | 2953 | zif = ifp->info; |
2954 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
2955 | continue; | |
2232a77c | 2956 | |
b7cfce93 | 2957 | vxl = &zif->l2info.vxl; |
d62a17ae | 2958 | vni = vxl->vni; |
2232a77c | 2959 | |
643215ce | 2960 | /* L3-VNI and L2-VNI are handled seperately */ |
2961 | zl3vni = zl3vni_lookup(vni); | |
2962 | if (zl3vni) { | |
2232a77c | 2963 | |
b7cfce93 | 2964 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
2965 | zlog_debug( |
2966 | "create L3-VNI hash for Intf %s(%u) L3-VNI %u", | |
2967 | ifp->name, ifp->ifindex, vni); | |
2232a77c | 2968 | |
b7cfce93 | 2969 | /* associate with vxlan_if */ |
b67a60d2 | 2970 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 | 2971 | zl3vni->vxlan_if = ifp; |
2232a77c | 2972 | |
523cafc4 | 2973 | /* |
2974 | * we need to associate with SVI. | |
b7cfce93 | 2975 | * we can associate with svi-if only after association |
523cafc4 | 2976 | * with vxlan-intf is complete |
2977 | */ | |
b7cfce93 MK |
2978 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
2979 | ||
2980 | if (is_l3vni_oper_up(zl3vni)) | |
2981 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
2982 | ||
2983 | } else { | |
b7cfce93 MK |
2984 | struct interface *vlan_if = NULL; |
2985 | ||
2986 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2987 | zlog_debug( | |
2988 | "Create L2-VNI hash for intf %s(%u) L2-VNI %u local IP %s", | |
2989 | ifp->name, ifp->ifindex, vni, | |
2990 | inet_ntoa(vxl->vtep_ip)); | |
2991 | ||
2992 | /* VNI hash entry is not expected to exist. */ | |
2993 | zvni = zvni_lookup(vni); | |
2994 | if (zvni) { | |
9df414fe | 2995 | zlog_debug( |
b7cfce93 MK |
2996 | "VNI hash already present for IF %s(%u) L2-VNI %u", |
2997 | ifp->name, ifp->ifindex, vni); | |
2998 | continue; | |
2999 | } | |
3000 | ||
3001 | zvni = zvni_add(vni); | |
3002 | if (!zvni) { | |
9df414fe | 3003 | zlog_debug( |
b7cfce93 MK |
3004 | "Failed to add VNI hash, IF %s(%u) L2-VNI %u", |
3005 | ifp->name, ifp->ifindex, vni); | |
3006 | return; | |
3007 | } | |
3008 | ||
3009 | zvni->local_vtep_ip = vxl->vtep_ip; | |
3010 | zvni->vxlan_if = ifp; | |
3011 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
3012 | zif->brslave_info.br_if); | |
3013 | if (vlan_if) { | |
3014 | zvni->vrf_id = vlan_if->vrf_id; | |
3015 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
3016 | if (zl3vni) | |
3017 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3018 | } | |
3019 | ||
3020 | ||
3021 | /* Inform BGP if intf is up and mapped to bridge. */ | |
3022 | if (if_is_operative(ifp) && zif->brslave_info.br_if) | |
3023 | zvni_send_add_to_client(zvni); | |
3024 | } | |
d62a17ae | 3025 | } |
2232a77c | 3026 | } |
3027 | ||
3028 | /* | |
3029 | * See if remote VTEP matches with prefix. | |
3030 | */ | |
d62a17ae | 3031 | static int zvni_vtep_match(struct in_addr *vtep_ip, zebra_vtep_t *zvtep) |
2232a77c | 3032 | { |
d62a17ae | 3033 | return (IPV4_ADDR_SAME(vtep_ip, &zvtep->vtep_ip)); |
2232a77c | 3034 | } |
3035 | ||
3036 | /* | |
3037 | * Locate remote VTEP in VNI hash table. | |
3038 | */ | |
d62a17ae | 3039 | static zebra_vtep_t *zvni_vtep_find(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3040 | { |
d62a17ae | 3041 | zebra_vtep_t *zvtep; |
2232a77c | 3042 | |
d62a17ae | 3043 | if (!zvni) |
3044 | return NULL; | |
2232a77c | 3045 | |
d62a17ae | 3046 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { |
3047 | if (zvni_vtep_match(vtep_ip, zvtep)) | |
3048 | break; | |
3049 | } | |
2232a77c | 3050 | |
d62a17ae | 3051 | return zvtep; |
2232a77c | 3052 | } |
3053 | ||
3054 | /* | |
3055 | * Add remote VTEP to VNI hash table. | |
3056 | */ | |
d62a17ae | 3057 | static zebra_vtep_t *zvni_vtep_add(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3058 | { |
d62a17ae | 3059 | zebra_vtep_t *zvtep; |
2232a77c | 3060 | |
d62a17ae | 3061 | zvtep = XCALLOC(MTYPE_ZVNI_VTEP, sizeof(zebra_vtep_t)); |
2232a77c | 3062 | |
d62a17ae | 3063 | zvtep->vtep_ip = *vtep_ip; |
2232a77c | 3064 | |
d62a17ae | 3065 | if (zvni->vteps) |
3066 | zvni->vteps->prev = zvtep; | |
3067 | zvtep->next = zvni->vteps; | |
3068 | zvni->vteps = zvtep; | |
2232a77c | 3069 | |
d62a17ae | 3070 | return zvtep; |
2232a77c | 3071 | } |
3072 | ||
3073 | /* | |
3074 | * Remove remote VTEP from VNI hash table. | |
3075 | */ | |
d62a17ae | 3076 | static int zvni_vtep_del(zebra_vni_t *zvni, zebra_vtep_t *zvtep) |
2232a77c | 3077 | { |
d62a17ae | 3078 | if (zvtep->next) |
3079 | zvtep->next->prev = zvtep->prev; | |
3080 | if (zvtep->prev) | |
3081 | zvtep->prev->next = zvtep->next; | |
3082 | else | |
3083 | zvni->vteps = zvtep->next; | |
2232a77c | 3084 | |
d62a17ae | 3085 | zvtep->prev = zvtep->next = NULL; |
3086 | XFREE(MTYPE_ZVNI_VTEP, zvtep); | |
2232a77c | 3087 | |
d62a17ae | 3088 | return 0; |
2232a77c | 3089 | } |
3090 | ||
3091 | /* | |
3092 | * Delete all remote VTEPs for this VNI (upon VNI delete). Also | |
3093 | * uninstall from kernel if asked to. | |
3094 | */ | |
d62a17ae | 3095 | static int zvni_vtep_del_all(zebra_vni_t *zvni, int uninstall) |
2232a77c | 3096 | { |
d62a17ae | 3097 | zebra_vtep_t *zvtep, *zvtep_next; |
2232a77c | 3098 | |
d62a17ae | 3099 | if (!zvni) |
3100 | return -1; | |
2232a77c | 3101 | |
d62a17ae | 3102 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep_next) { |
3103 | zvtep_next = zvtep->next; | |
3104 | if (uninstall) | |
3105 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3106 | zvni_vtep_del(zvni, zvtep); | |
3107 | } | |
2232a77c | 3108 | |
d62a17ae | 3109 | return 0; |
2232a77c | 3110 | } |
3111 | ||
3112 | /* | |
3113 | * Install remote VTEP into the kernel. | |
3114 | */ | |
d62a17ae | 3115 | static int zvni_vtep_install(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3116 | { |
fbac9605 DS |
3117 | if (is_vxlan_flooding_head_end()) |
3118 | return kernel_add_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); | |
3119 | return 0; | |
2232a77c | 3120 | } |
3121 | ||
3122 | /* | |
3123 | * Uninstall remote VTEP from the kernel. | |
3124 | */ | |
d62a17ae | 3125 | static int zvni_vtep_uninstall(zebra_vni_t *zvni, struct in_addr *vtep_ip) |
2232a77c | 3126 | { |
d62a17ae | 3127 | if (!zvni->vxlan_if) { |
9df414fe QY |
3128 | zlog_debug("VNI %u hash %p couldn't be uninstalled - no intf", |
3129 | zvni->vni, zvni); | |
d62a17ae | 3130 | return -1; |
3131 | } | |
2232a77c | 3132 | |
d62a17ae | 3133 | return kernel_del_vtep(zvni->vni, zvni->vxlan_if, vtep_ip); |
2232a77c | 3134 | } |
3135 | ||
fbac9605 DS |
3136 | /* |
3137 | * Install or uninstall flood entries in the kernel corresponding to | |
3138 | * remote VTEPs. This is invoked upon change to BUM handling. | |
3139 | */ | |
3140 | static void zvni_handle_flooding_remote_vteps(struct hash_backet *backet, | |
3141 | void *zvrf) | |
3142 | { | |
3143 | zebra_vni_t *zvni; | |
3144 | zebra_vtep_t *zvtep; | |
3145 | ||
3146 | zvni = (zebra_vni_t *)backet->data; | |
3147 | if (!zvni) | |
3148 | return; | |
3149 | ||
3150 | for (zvtep = zvni->vteps; zvtep; zvtep = zvtep->next) { | |
3151 | if (is_vxlan_flooding_head_end()) | |
3152 | zvni_vtep_install(zvni, &zvtep->vtep_ip); | |
3153 | else | |
3154 | zvni_vtep_uninstall(zvni, &zvtep->vtep_ip); | |
3155 | } | |
3156 | } | |
3157 | ||
2232a77c | 3158 | /* |
3159 | * Cleanup VNI/VTEP and update kernel | |
3160 | */ | |
84915b0a | 3161 | static void zvni_cleanup_all(struct hash_backet *backet, void *arg) |
2232a77c | 3162 | { |
b7cfce93 MK |
3163 | zebra_vni_t *zvni = NULL; |
3164 | zebra_l3vni_t *zl3vni = NULL; | |
84915b0a | 3165 | struct zebra_vrf *zvrf = (struct zebra_vrf *)arg; |
2232a77c | 3166 | |
d62a17ae | 3167 | zvni = (zebra_vni_t *)backet->data; |
2232a77c | 3168 | |
b7cfce93 | 3169 | /* remove from l3-vni list */ |
84915b0a | 3170 | if (zvrf->l3vni) |
3171 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 MK |
3172 | if (zl3vni) |
3173 | listnode_delete(zl3vni->l2vnis, zvni); | |
3174 | ||
d62a17ae | 3175 | /* Free up all neighbors and MACs, if any. */ |
2853fed6 | 3176 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); |
3177 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
2232a77c | 3178 | |
d62a17ae | 3179 | /* Free up all remote VTEPs, if any. */ |
3180 | zvni_vtep_del_all(zvni, 1); | |
2232a77c | 3181 | |
d62a17ae | 3182 | /* Delete the hash entry. */ |
2853fed6 | 3183 | zvni_del(zvni); |
2232a77c | 3184 | } |
3185 | ||
655b04d1 | 3186 | /* cleanup L3VNI */ |
996c9314 | 3187 | static void zl3vni_cleanup_all(struct hash_backet *backet, void *args) |
655b04d1 MK |
3188 | { |
3189 | zebra_l3vni_t *zl3vni = NULL; | |
3190 | ||
3191 | zl3vni = (zebra_l3vni_t *)backet->data; | |
655b04d1 MK |
3192 | |
3193 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
3194 | } | |
3195 | ||
85442b09 | 3196 | static void rb_find_or_add_host(struct host_rb_tree_entry *hrbe, |
41db76c2 | 3197 | struct prefix *host) |
5e1b0650 DS |
3198 | { |
3199 | struct host_rb_entry lookup; | |
3200 | struct host_rb_entry *hle; | |
3201 | ||
3202 | memset(&lookup, 0, sizeof(lookup)); | |
3203 | memcpy(&lookup.p, host, sizeof(*host)); | |
3204 | ||
85442b09 | 3205 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
5e1b0650 DS |
3206 | if (hle) |
3207 | return; | |
3208 | ||
3209 | hle = XCALLOC(MTYPE_HOST_PREFIX, sizeof(struct host_rb_entry)); | |
3210 | memcpy(hle, &lookup, sizeof(lookup)); | |
3211 | ||
85442b09 | 3212 | RB_INSERT(host_rb_tree_entry, hrbe, hle); |
5e1b0650 DS |
3213 | } |
3214 | ||
85442b09 | 3215 | static void rb_delete_host(struct host_rb_tree_entry *hrbe, struct prefix *host) |
5e1b0650 DS |
3216 | { |
3217 | struct host_rb_entry lookup; | |
3218 | struct host_rb_entry *hle; | |
3219 | ||
3220 | memset(&lookup, 0, sizeof(lookup)); | |
3221 | memcpy(&lookup.p, host, sizeof(*host)); | |
3222 | ||
85442b09 | 3223 | hle = RB_FIND(host_rb_tree_entry, hrbe, &lookup); |
10ac2516 | 3224 | if (hle) { |
85442b09 | 3225 | RB_REMOVE(host_rb_tree_entry, hrbe, hle); |
10ac2516 DS |
3226 | XFREE(MTYPE_HOST_PREFIX, hle); |
3227 | } | |
5e1b0650 DS |
3228 | |
3229 | return; | |
3230 | } | |
3231 | ||
b7cfce93 MK |
3232 | /* |
3233 | * Look up MAC hash entry. | |
3234 | */ | |
2dbad57f | 3235 | static zebra_mac_t *zl3vni_rmac_lookup(zebra_l3vni_t *zl3vni, |
b7cfce93 MK |
3236 | struct ethaddr *rmac) |
3237 | { | |
3238 | zebra_mac_t tmp; | |
3239 | zebra_mac_t *pmac; | |
3240 | ||
3241 | memset(&tmp, 0, sizeof(tmp)); | |
3242 | memcpy(&tmp.macaddr, rmac, ETH_ALEN); | |
3243 | pmac = hash_lookup(zl3vni->rmac_table, &tmp); | |
2232a77c | 3244 | |
b7cfce93 | 3245 | return pmac; |
2dbad57f | 3246 | } |
2232a77c | 3247 | |
cec2e17d | 3248 | /* |
b7cfce93 | 3249 | * Callback to allocate RMAC hash entry. |
cec2e17d | 3250 | */ |
2dbad57f | 3251 | static void *zl3vni_rmac_alloc(void *p) |
d62a17ae | 3252 | { |
b7cfce93 MK |
3253 | const zebra_mac_t *tmp_rmac = p; |
3254 | zebra_mac_t *zrmac; | |
d62a17ae | 3255 | |
b7cfce93 MK |
3256 | zrmac = XCALLOC(MTYPE_MAC, sizeof(zebra_mac_t)); |
3257 | *zrmac = *tmp_rmac; | |
d62a17ae | 3258 | |
b7cfce93 | 3259 | return ((void *)zrmac); |
2dbad57f | 3260 | } |
cd233079 | 3261 | |
b7cfce93 MK |
3262 | /* |
3263 | * Add RMAC entry to l3-vni | |
3264 | */ | |
996c9314 | 3265 | static zebra_mac_t *zl3vni_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac) |
b7cfce93 MK |
3266 | { |
3267 | zebra_mac_t tmp_rmac; | |
3268 | zebra_mac_t *zrmac = NULL; | |
d62a17ae | 3269 | |
b7cfce93 MK |
3270 | memset(&tmp_rmac, 0, sizeof(zebra_mac_t)); |
3271 | memcpy(&tmp_rmac.macaddr, rmac, ETH_ALEN); | |
3272 | zrmac = hash_get(zl3vni->rmac_table, &tmp_rmac, zl3vni_rmac_alloc); | |
3273 | assert(zrmac); | |
d62a17ae | 3274 | |
85442b09 | 3275 | RB_INIT(host_rb_tree_entry, &zrmac->host_rb); |
b7cfce93 | 3276 | |
2dbad57f | 3277 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE); |
3278 | SET_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC); | |
3279 | ||
b7cfce93 | 3280 | return zrmac; |
2dbad57f | 3281 | } |
cec2e17d | 3282 | |
3283 | /* | |
b7cfce93 | 3284 | * Delete MAC entry. |
cec2e17d | 3285 | */ |
996c9314 | 3286 | static int zl3vni_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3287 | { |
b7cfce93 | 3288 | zebra_mac_t *tmp_rmac; |
5e1b0650 | 3289 | struct host_rb_entry *hle; |
cd233079 | 3290 | |
85442b09 DS |
3291 | while (!RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
3292 | hle = RB_ROOT(host_rb_tree_entry, &zrmac->host_rb); | |
5e1b0650 | 3293 | |
85442b09 | 3294 | RB_REMOVE(host_rb_tree_entry, &zrmac->host_rb, hle); |
5e1b0650 DS |
3295 | XFREE(MTYPE_HOST_PREFIX, hle); |
3296 | } | |
cd233079 | 3297 | |
b7cfce93 MK |
3298 | tmp_rmac = hash_release(zl3vni->rmac_table, zrmac); |
3299 | if (tmp_rmac) | |
3300 | XFREE(MTYPE_MAC, tmp_rmac); | |
cd233079 | 3301 | |
b7cfce93 | 3302 | return 0; |
2dbad57f | 3303 | } |
cec2e17d | 3304 | |
3305 | /* | |
b7cfce93 | 3306 | * Install remote RMAC into the kernel. |
cec2e17d | 3307 | */ |
996c9314 | 3308 | static int zl3vni_rmac_install(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
cec2e17d | 3309 | { |
b7cfce93 MK |
3310 | struct zebra_if *zif = NULL; |
3311 | struct zebra_l2info_vxlan *vxl = NULL; | |
cec2e17d | 3312 | |
996c9314 LB |
3313 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3314 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3315 | return 0; |
3316 | ||
3317 | zif = zl3vni->vxlan_if->info; | |
3318 | if (!zif) | |
3319 | return -1; | |
3320 | ||
3321 | vxl = &zif->l2info.vxl; | |
3322 | ||
3323 | return kernel_add_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
996c9314 | 3324 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip, 0); |
2dbad57f | 3325 | } |
b7cfce93 MK |
3326 | |
3327 | /* | |
3328 | * Uninstall remote RMAC from the kernel. | |
3329 | */ | |
996c9314 | 3330 | static int zl3vni_rmac_uninstall(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac) |
b7cfce93 MK |
3331 | { |
3332 | char buf[ETHER_ADDR_STRLEN]; | |
3333 | struct zebra_if *zif = NULL; | |
3334 | struct zebra_l2info_vxlan *vxl = NULL; | |
3335 | ||
996c9314 LB |
3336 | if (!(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE)) |
3337 | || !(CHECK_FLAG(zrmac->flags, ZEBRA_MAC_REMOTE_RMAC))) | |
b7cfce93 MK |
3338 | return 0; |
3339 | ||
3340 | if (!zl3vni->vxlan_if) { | |
9df414fe | 3341 | zlog_debug( |
996c9314 LB |
3342 | "RMAC %s on L3-VNI %u hash %p couldn't be uninstalled - no vxlan_if", |
3343 | prefix_mac2str(&zrmac->macaddr, buf, sizeof(buf)), | |
3344 | zl3vni->vni, zl3vni); | |
b7cfce93 MK |
3345 | return -1; |
3346 | } | |
3347 | ||
3348 | zif = zl3vni->vxlan_if->info; | |
3349 | if (!zif) | |
3350 | return -1; | |
3351 | ||
3352 | vxl = &zif->l2info.vxl; | |
3353 | ||
3354 | return kernel_del_mac(zl3vni->vxlan_if, vxl->access_vlan, | |
d63c1b18 | 3355 | &zrmac->macaddr, zrmac->fwd_info.r_vtep_ip); |
2dbad57f | 3356 | } |
3357 | ||
3358 | /* handle rmac add */ | |
996c9314 | 3359 | static int zl3vni_remote_rmac_add(zebra_l3vni_t *zl3vni, struct ethaddr *rmac, |
6134fd82 | 3360 | struct ipaddr *vtep_ip, |
3361 | struct prefix *host_prefix) | |
2dbad57f | 3362 | { |
3363 | char buf[ETHER_ADDR_STRLEN]; | |
3364 | char buf1[INET6_ADDRSTRLEN]; | |
3365 | zebra_mac_t *zrmac = NULL; | |
3366 | ||
3367 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
3368 | if (!zrmac) { | |
3369 | ||
3370 | zrmac = zl3vni_rmac_add(zl3vni, rmac); | |
3371 | if (!zrmac) { | |
9df414fe | 3372 | zlog_debug( |
2dbad57f | 3373 | "Failed to add RMAC %s L3VNI %u Remote VTEP %s", |
996c9314 LB |
3374 | prefix_mac2str(rmac, buf, sizeof(buf)), |
3375 | zl3vni->vni, | |
3376 | ipaddr2str(vtep_ip, buf1, sizeof(buf1))); | |
2dbad57f | 3377 | return -1; |
3378 | } | |
3379 | memset(&zrmac->fwd_info, 0, sizeof(zrmac->fwd_info)); | |
3380 | zrmac->fwd_info.r_vtep_ip = vtep_ip->ipaddr_v4; | |
3381 | ||
3382 | /* install rmac in kernel */ | |
3383 | zl3vni_rmac_install(zl3vni, zrmac); | |
3384 | } | |
6134fd82 | 3385 | |
41db76c2 | 3386 | rb_find_or_add_host(&zrmac->host_rb, host_prefix); |
5e1b0650 | 3387 | |
2dbad57f | 3388 | return 0; |
3389 | } | |
3390 | ||
3391 | ||
3392 | /* handle rmac delete */ | |
22e63104 | 3393 | static void zl3vni_remote_rmac_del(zebra_l3vni_t *zl3vni, zebra_mac_t *zrmac, |
6134fd82 | 3394 | struct prefix *host_prefix) |
2dbad57f | 3395 | { |
41db76c2 | 3396 | rb_delete_host(&zrmac->host_rb, host_prefix); |
2dbad57f | 3397 | |
85442b09 | 3398 | if (RB_EMPTY(host_rb_tree_entry, &zrmac->host_rb)) { |
2dbad57f | 3399 | /* uninstall from kernel */ |
3400 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
3401 | ||
3402 | /* del the rmac entry */ | |
3403 | zl3vni_rmac_del(zl3vni, zrmac); | |
3404 | } | |
2dbad57f | 3405 | } |
b7cfce93 MK |
3406 | |
3407 | /* | |
3408 | * Look up nh hash entry on a l3-vni. | |
3409 | */ | |
996c9314 | 3410 | static zebra_neigh_t *zl3vni_nh_lookup(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
b7cfce93 MK |
3411 | { |
3412 | zebra_neigh_t tmp; | |
3413 | zebra_neigh_t *n; | |
3414 | ||
3415 | memset(&tmp, 0, sizeof(tmp)); | |
3416 | memcpy(&tmp.ip, ip, sizeof(struct ipaddr)); | |
3417 | n = hash_lookup(zl3vni->nh_table, &tmp); | |
3418 | ||
3419 | return n; | |
2dbad57f | 3420 | } |
b7cfce93 MK |
3421 | |
3422 | ||
3423 | /* | |
3424 | * Callback to allocate NH hash entry on L3-VNI. | |
3425 | */ | |
2dbad57f | 3426 | static void *zl3vni_nh_alloc(void *p) |
b7cfce93 MK |
3427 | { |
3428 | const zebra_neigh_t *tmp_n = p; | |
3429 | zebra_neigh_t *n; | |
3430 | ||
3431 | n = XCALLOC(MTYPE_NEIGH, sizeof(zebra_neigh_t)); | |
3432 | *n = *tmp_n; | |
3433 | ||
3434 | return ((void *)n); | |
2dbad57f | 3435 | } |
b7cfce93 MK |
3436 | |
3437 | /* | |
3438 | * Add neighbor entry. | |
3439 | */ | |
996c9314 | 3440 | static zebra_neigh_t *zl3vni_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
b7cfce93 MK |
3441 | struct ethaddr *mac) |
3442 | { | |
3443 | zebra_neigh_t tmp_n; | |
3444 | zebra_neigh_t *n = NULL; | |
3445 | ||
3446 | memset(&tmp_n, 0, sizeof(zebra_neigh_t)); | |
3447 | memcpy(&tmp_n.ip, ip, sizeof(struct ipaddr)); | |
3448 | n = hash_get(zl3vni->nh_table, &tmp_n, zl3vni_nh_alloc); | |
3449 | assert(n); | |
3450 | ||
85442b09 | 3451 | RB_INIT(host_rb_tree_entry, &n->host_rb); |
6134fd82 | 3452 | |
b7cfce93 | 3453 | memcpy(&n->emac, mac, ETH_ALEN); |
2dbad57f | 3454 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); |
3455 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE_NH); | |
b7cfce93 MK |
3456 | |
3457 | return n; | |
2dbad57f | 3458 | } |
b7cfce93 MK |
3459 | |
3460 | /* | |
3461 | * Delete neighbor entry. | |
3462 | */ | |
996c9314 | 3463 | static int zl3vni_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 MK |
3464 | { |
3465 | zebra_neigh_t *tmp_n; | |
f2a503f0 | 3466 | struct host_rb_entry *hle; |
b7cfce93 | 3467 | |
85442b09 DS |
3468 | while (!RB_EMPTY(host_rb_tree_entry, &n->host_rb)) { |
3469 | hle = RB_ROOT(host_rb_tree_entry, &n->host_rb); | |
f2a503f0 | 3470 | |
85442b09 | 3471 | RB_REMOVE(host_rb_tree_entry, &n->host_rb, hle); |
f2a503f0 DS |
3472 | XFREE(MTYPE_HOST_PREFIX, hle); |
3473 | } | |
55aabf6f | 3474 | |
b7cfce93 MK |
3475 | tmp_n = hash_release(zl3vni->nh_table, n); |
3476 | if (tmp_n) | |
3477 | XFREE(MTYPE_NEIGH, tmp_n); | |
3478 | ||
3479 | return 0; | |
2dbad57f | 3480 | } |
b7cfce93 MK |
3481 | |
3482 | /* | |
3483 | * Install remote nh as neigh into the kernel. | |
3484 | */ | |
996c9314 | 3485 | static int zl3vni_nh_install(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3486 | { |
f7dae312 | 3487 | #ifdef GNU_LINUX |
68e33151 | 3488 | uint8_t flags; |
f7dae312 | 3489 | #endif |
68e33151 CS |
3490 | int ret = 0; |
3491 | ||
b7cfce93 MK |
3492 | if (!is_l3vni_oper_up(zl3vni)) |
3493 | return -1; | |
3494 | ||
996c9314 LB |
3495 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3496 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 | 3497 | return 0; |
68e33151 CS |
3498 | #ifdef GNU_LINUX |
3499 | flags = NTF_EXT_LEARNED; | |
3500 | if (n->flags & ZEBRA_NEIGH_ROUTER_FLAG) | |
3501 | flags |= NTF_ROUTER; | |
3502 | ret = kernel_add_neigh(zl3vni->svi_if, &n->ip, &n->emac, flags); | |
3503 | #endif | |
3504 | return ret; | |
2dbad57f | 3505 | } |
b7cfce93 MK |
3506 | |
3507 | /* | |
3508 | * Uninstall remote nh from the kernel. | |
3509 | */ | |
996c9314 | 3510 | static int zl3vni_nh_uninstall(zebra_l3vni_t *zl3vni, zebra_neigh_t *n) |
b7cfce93 | 3511 | { |
996c9314 LB |
3512 | if (!(n->flags & ZEBRA_NEIGH_REMOTE) |
3513 | || !(n->flags & ZEBRA_NEIGH_REMOTE_NH)) | |
b7cfce93 MK |
3514 | return 0; |
3515 | ||
fa409e1e | 3516 | if (!zl3vni->svi_if || !if_is_operative(zl3vni->svi_if)) |
3517 | return 0; | |
3518 | ||
b7cfce93 | 3519 | return kernel_del_neigh(zl3vni->svi_if, &n->ip); |
2dbad57f | 3520 | } |
3521 | ||
3522 | /* add remote vtep as a neigh entry */ | |
996c9314 | 3523 | static int zl3vni_remote_nh_add(zebra_l3vni_t *zl3vni, struct ipaddr *vtep_ip, |
6134fd82 | 3524 | struct ethaddr *rmac, |
3525 | struct prefix *host_prefix) | |
2dbad57f | 3526 | { |
3527 | char buf[ETHER_ADDR_STRLEN]; | |
3528 | char buf1[INET6_ADDRSTRLEN]; | |
3529 | zebra_neigh_t *nh = NULL; | |
3530 | ||
3531 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
3532 | if (!nh) { | |
3533 | nh = zl3vni_nh_add(zl3vni, vtep_ip, rmac); | |
3534 | if (!nh) { | |
3535 | ||
9df414fe | 3536 | zlog_debug( |
2dbad57f | 3537 | "Failed to add NH as Neigh (IP %s MAC %s L3-VNI %u)", |
996c9314 LB |
3538 | ipaddr2str(vtep_ip, buf1, sizeof(buf1)), |
3539 | prefix_mac2str(rmac, buf, sizeof(buf)), | |
2dbad57f | 3540 | zl3vni->vni); |
3541 | return -1; | |
3542 | } | |
3543 | ||
3544 | /* install the nh neigh in kernel */ | |
3545 | zl3vni_nh_install(zl3vni, nh); | |
3546 | } | |
6134fd82 | 3547 | |
f2a503f0 | 3548 | rb_find_or_add_host(&nh->host_rb, host_prefix); |
6134fd82 | 3549 | |
2dbad57f | 3550 | return 0; |
3551 | } | |
3552 | ||
3553 | /* handle nh neigh delete */ | |
22e63104 | 3554 | static void zl3vni_remote_nh_del(zebra_l3vni_t *zl3vni, zebra_neigh_t *nh, |
3555 | struct prefix *host_prefix) | |
2dbad57f | 3556 | { |
f2a503f0 | 3557 | rb_delete_host(&nh->host_rb, host_prefix); |
2dbad57f | 3558 | |
85442b09 | 3559 | if (RB_EMPTY(host_rb_tree_entry, &nh->host_rb)) { |
2dbad57f | 3560 | /* uninstall from kernel */ |
3561 | zl3vni_nh_uninstall(zl3vni, nh); | |
3562 | ||
3563 | /* delete the nh entry */ | |
3564 | zl3vni_nh_del(zl3vni, nh); | |
3565 | } | |
2dbad57f | 3566 | } |
b7cfce93 | 3567 | |
3bcbba10 | 3568 | /* handle neigh update from kernel - the only thing of interest is to |
3569 | * readd stale entries. | |
3570 | */ | |
996c9314 | 3571 | static int zl3vni_local_nh_add_update(zebra_l3vni_t *zl3vni, struct ipaddr *ip, |
d7c0a89a | 3572 | uint16_t state) |
3bcbba10 | 3573 | { |
c05a738b | 3574 | #ifdef GNU_LINUX |
3bcbba10 | 3575 | zebra_neigh_t *n = NULL; |
3576 | ||
3577 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3578 | if (!n) | |
3579 | return 0; | |
3580 | ||
3581 | /* all next hop neigh are remote and installed by frr. | |
3582 | * If the kernel has aged this entry, re-install. | |
3583 | */ | |
3584 | if (state & NUD_STALE) | |
3585 | zl3vni_nh_install(zl3vni, n); | |
c05a738b | 3586 | #endif |
3bcbba10 | 3587 | return 0; |
3588 | } | |
3589 | ||
8c9b80b9 | 3590 | /* handle neigh delete from kernel */ |
996c9314 | 3591 | static int zl3vni_local_nh_del(zebra_l3vni_t *zl3vni, struct ipaddr *ip) |
8c9b80b9 MK |
3592 | { |
3593 | zebra_neigh_t *n = NULL; | |
3594 | ||
3595 | n = zl3vni_nh_lookup(zl3vni, ip); | |
3596 | if (!n) | |
3597 | return 0; | |
3598 | ||
3599 | /* all next hop neigh are remote and installed by frr. | |
3600 | * If we get an age out notification for these neigh entries, we have to | |
523cafc4 | 3601 | * install it back |
3602 | */ | |
8c9b80b9 MK |
3603 | zl3vni_nh_install(zl3vni, n); |
3604 | ||
3605 | return 0; | |
3606 | } | |
3607 | ||
b7cfce93 MK |
3608 | /* |
3609 | * Hash function for L3 VNI. | |
3610 | */ | |
3611 | static unsigned int l3vni_hash_keymake(void *p) | |
3612 | { | |
3613 | const zebra_l3vni_t *zl3vni = p; | |
3614 | ||
3615 | return jhash_1word(zl3vni->vni, 0); | |
3616 | } | |
3617 | ||
3618 | /* | |
3619 | * Compare 2 L3 VNI hash entries. | |
3620 | */ | |
74df8d6d | 3621 | static bool l3vni_hash_cmp(const void *p1, const void *p2) |
b7cfce93 MK |
3622 | { |
3623 | const zebra_l3vni_t *zl3vni1 = p1; | |
3624 | const zebra_l3vni_t *zl3vni2 = p2; | |
3625 | ||
3626 | return (zl3vni1->vni == zl3vni2->vni); | |
3627 | } | |
3628 | ||
3629 | /* | |
3630 | * Callback to allocate L3 VNI hash entry. | |
3631 | */ | |
3632 | static void *zl3vni_alloc(void *p) | |
3633 | { | |
3634 | zebra_l3vni_t *zl3vni = NULL; | |
3635 | const zebra_l3vni_t *tmp_l3vni = p; | |
3636 | ||
3637 | zl3vni = XCALLOC(MTYPE_ZL3VNI, sizeof(zebra_l3vni_t)); | |
3638 | zl3vni->vni = tmp_l3vni->vni; | |
3639 | return ((void *)zl3vni); | |
3640 | } | |
3641 | ||
3642 | /* | |
3643 | * Look up L3 VNI hash entry. | |
3644 | */ | |
3645 | static zebra_l3vni_t *zl3vni_lookup(vni_t vni) | |
3646 | { | |
b7cfce93 MK |
3647 | zebra_l3vni_t tmp_l3vni; |
3648 | zebra_l3vni_t *zl3vni = NULL; | |
3649 | ||
b7cfce93 MK |
3650 | memset(&tmp_l3vni, 0, sizeof(zebra_l3vni_t)); |
3651 | tmp_l3vni.vni = vni; | |
89272910 | 3652 | zl3vni = hash_lookup(zrouter.l3vni_table, &tmp_l3vni); |
b7cfce93 MK |
3653 | |
3654 | return zl3vni; | |
3655 | } | |
3656 | ||
3657 | /* | |
3658 | * Add L3 VNI hash entry. | |
3659 | */ | |
3660 | static zebra_l3vni_t *zl3vni_add(vni_t vni, vrf_id_t vrf_id) | |
3661 | { | |
3662 | zebra_l3vni_t tmp_zl3vni; | |
b7cfce93 MK |
3663 | zebra_l3vni_t *zl3vni = NULL; |
3664 | ||
b7cfce93 MK |
3665 | memset(&tmp_zl3vni, 0, sizeof(zebra_l3vni_t)); |
3666 | tmp_zl3vni.vni = vni; | |
3667 | ||
89272910 | 3668 | zl3vni = hash_get(zrouter.l3vni_table, &tmp_zl3vni, zl3vni_alloc); |
b7cfce93 MK |
3669 | assert(zl3vni); |
3670 | ||
3671 | zl3vni->vrf_id = vrf_id; | |
3672 | zl3vni->svi_if = NULL; | |
3673 | zl3vni->vxlan_if = NULL; | |
3674 | zl3vni->l2vnis = list_new(); | |
27fa3398 | 3675 | zl3vni->l2vnis->cmp = vni_list_cmp; |
b7cfce93 MK |
3676 | |
3677 | /* Create hash table for remote RMAC */ | |
996c9314 LB |
3678 | zl3vni->rmac_table = hash_create(mac_hash_keymake, mac_cmp, |
3679 | "Zebra L3-VNI RMAC-Table"); | |
b7cfce93 MK |
3680 | |
3681 | /* Create hash table for neighbors */ | |
3682 | zl3vni->nh_table = hash_create(neigh_hash_keymake, neigh_cmp, | |
996c9314 | 3683 | "Zebra L3-VNI next-hop table"); |
b7cfce93 MK |
3684 | |
3685 | return zl3vni; | |
3686 | } | |
3687 | ||
3688 | /* | |
3689 | * Delete L3 VNI hash entry. | |
3690 | */ | |
3691 | static int zl3vni_del(zebra_l3vni_t *zl3vni) | |
3692 | { | |
b7cfce93 MK |
3693 | zebra_l3vni_t *tmp_zl3vni; |
3694 | ||
b7cfce93 | 3695 | /* free the list of l2vnis */ |
6a154c88 | 3696 | list_delete(&zl3vni->l2vnis); |
b7cfce93 MK |
3697 | zl3vni->l2vnis = NULL; |
3698 | ||
3699 | /* Free the rmac table */ | |
3700 | hash_free(zl3vni->rmac_table); | |
3701 | zl3vni->rmac_table = NULL; | |
3702 | ||
3703 | /* Free the nh table */ | |
3704 | hash_free(zl3vni->nh_table); | |
3705 | zl3vni->nh_table = NULL; | |
3706 | ||
3707 | /* Free the VNI hash entry and allocated memory. */ | |
89272910 | 3708 | tmp_zl3vni = hash_release(zrouter.l3vni_table, zl3vni); |
b7cfce93 MK |
3709 | if (tmp_zl3vni) |
3710 | XFREE(MTYPE_ZL3VNI, tmp_zl3vni); | |
3711 | ||
3712 | return 0; | |
3713 | } | |
3714 | ||
b7cfce93 MK |
3715 | static struct interface *zl3vni_map_to_vxlan_if(zebra_l3vni_t *zl3vni) |
3716 | { | |
3717 | struct zebra_ns *zns = NULL; | |
3718 | struct route_node *rn = NULL; | |
3719 | struct interface *ifp = NULL; | |
3720 | ||
3721 | /* loop through all vxlan-interface */ | |
3722 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3723 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3724 | ||
3725 | struct zebra_if *zif = NULL; | |
3726 | struct zebra_l2info_vxlan *vxl = NULL; | |
3727 | ||
3728 | ifp = (struct interface *)rn->info; | |
3729 | if (!ifp) | |
3730 | continue; | |
3731 | ||
3732 | zif = ifp->info; | |
3733 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3734 | continue; | |
3735 | ||
3736 | vxl = &zif->l2info.vxl; | |
b67a60d2 | 3737 | if (vxl->vni == zl3vni->vni) { |
3738 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
b7cfce93 | 3739 | return ifp; |
b67a60d2 | 3740 | } |
b7cfce93 MK |
3741 | } |
3742 | ||
3743 | return NULL; | |
3744 | } | |
3745 | ||
3746 | static struct interface *zl3vni_map_to_svi_if(zebra_l3vni_t *zl3vni) | |
3747 | { | |
996c9314 | 3748 | struct zebra_if *zif = NULL; /* zebra_if for vxlan_if */ |
b7cfce93 MK |
3749 | struct zebra_l2info_vxlan *vxl = NULL; /* l2 info for vxlan_if */ |
3750 | ||
2aeb403d | 3751 | if (!zl3vni) |
3752 | return NULL; | |
3753 | ||
b7cfce93 MK |
3754 | if (!zl3vni->vxlan_if) |
3755 | return NULL; | |
3756 | ||
3757 | zif = zl3vni->vxlan_if->info; | |
3758 | if (!zif) | |
3759 | return NULL; | |
3760 | ||
3761 | vxl = &zif->l2info.vxl; | |
3762 | ||
3763 | return zvni_map_to_svi(vxl->access_vlan, zif->brslave_info.br_if); | |
3764 | } | |
3765 | ||
3766 | static zebra_l3vni_t *zl3vni_from_vrf(vrf_id_t vrf_id) | |
3767 | { | |
3768 | struct zebra_vrf *zvrf = NULL; | |
3769 | ||
3770 | zvrf = zebra_vrf_lookup_by_id(vrf_id); | |
3771 | if (!zvrf) | |
3772 | return NULL; | |
3773 | ||
3774 | return zl3vni_lookup(zvrf->l3vni); | |
3775 | } | |
3776 | ||
3777 | /* | |
3778 | * Map SVI and associated bridge to a VNI. This is invoked upon getting | |
3779 | * neighbor notifications, to see if they are of interest. | |
3780 | */ | |
3781 | static zebra_l3vni_t *zl3vni_from_svi(struct interface *ifp, | |
3782 | struct interface *br_if) | |
3783 | { | |
3784 | int found = 0; | |
3785 | vlanid_t vid = 0; | |
d7c0a89a | 3786 | uint8_t bridge_vlan_aware = 0; |
b7cfce93 MK |
3787 | zebra_l3vni_t *zl3vni = NULL; |
3788 | struct zebra_ns *zns = NULL; | |
3789 | struct route_node *rn = NULL; | |
3790 | struct zebra_if *zif = NULL; | |
3791 | struct interface *tmp_if = NULL; | |
3792 | struct zebra_l2info_bridge *br = NULL; | |
3793 | struct zebra_l2info_vxlan *vxl = NULL; | |
3794 | ||
3795 | if (!br_if) | |
3796 | return NULL; | |
3797 | ||
3798 | /* Make sure the linked interface is a bridge. */ | |
3799 | if (!IS_ZEBRA_IF_BRIDGE(br_if)) | |
3800 | return NULL; | |
3801 | ||
3802 | /* Determine if bridge is VLAN-aware or not */ | |
3803 | zif = br_if->info; | |
3804 | assert(zif); | |
3805 | br = &zif->l2info.br; | |
3806 | bridge_vlan_aware = br->vlan_aware; | |
3807 | if (bridge_vlan_aware) { | |
3808 | struct zebra_l2info_vlan *vl; | |
3809 | ||
3810 | if (!IS_ZEBRA_IF_VLAN(ifp)) | |
3811 | return NULL; | |
3812 | ||
3813 | zif = ifp->info; | |
3814 | assert(zif); | |
3815 | vl = &zif->l2info.vl; | |
3816 | vid = vl->vid; | |
3817 | } | |
3818 | ||
3819 | /* See if this interface (or interface plus VLAN Id) maps to a VxLAN */ | |
3820 | /* TODO: Optimize with a hash. */ | |
3821 | zns = zebra_ns_lookup(NS_DEFAULT); | |
3822 | for (rn = route_top(zns->if_table); rn; rn = route_next(rn)) { | |
3823 | tmp_if = (struct interface *)rn->info; | |
3824 | if (!tmp_if) | |
3825 | continue; | |
3826 | zif = tmp_if->info; | |
3827 | if (!zif || zif->zif_type != ZEBRA_IF_VXLAN) | |
3828 | continue; | |
3829 | if (!if_is_operative(tmp_if)) | |
3830 | continue; | |
3831 | vxl = &zif->l2info.vxl; | |
3832 | ||
3833 | if (zif->brslave_info.br_if != br_if) | |
3834 | continue; | |
3835 | ||
3836 | if (!bridge_vlan_aware || vxl->access_vlan == vid) { | |
3837 | found = 1; | |
3838 | break; | |
3839 | } | |
3840 | } | |
3841 | ||
3842 | if (!found) | |
3843 | return NULL; | |
3844 | ||
3845 | zl3vni = zl3vni_lookup(vxl->vni); | |
3846 | return zl3vni; | |
3847 | } | |
3848 | ||
3849 | /* | |
3850 | * Inform BGP about l3-vni. | |
3851 | */ | |
3852 | static int zl3vni_send_add_to_client(zebra_l3vni_t *zl3vni) | |
3853 | { | |
3854 | struct stream *s = NULL; | |
3855 | struct zserv *client = NULL; | |
3856 | struct ethaddr rmac; | |
3857 | char buf[ETHER_ADDR_STRLEN]; | |
3858 | ||
21ccc0cf | 3859 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3860 | /* BGP may not be running. */ |
3861 | if (!client) | |
3862 | return 0; | |
3863 | ||
3864 | /* get the rmac */ | |
3865 | memset(&rmac, 0, sizeof(struct ethaddr)); | |
3866 | zl3vni_get_rmac(zl3vni, &rmac); | |
3867 | ||
1002497a | 3868 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3869 | |
996c9314 | 3870 | zclient_create_header(s, ZEBRA_L3VNI_ADD, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3871 | stream_putl(s, zl3vni->vni); |
3872 | stream_put(s, &rmac, sizeof(struct ethaddr)); | |
b67a60d2 | 3873 | stream_put_in_addr(s, &zl3vni->local_vtep_ip); |
c48d9f5f | 3874 | stream_put(s, &zl3vni->filter, sizeof(int)); |
b7cfce93 MK |
3875 | |
3876 | /* Write packet size. */ | |
3877 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3878 | ||
3879 | if (IS_ZEBRA_DEBUG_VXLAN) | |
c48d9f5f | 3880 | zlog_debug( |
996c9314 LB |
3881 | "Send L3_VNI_ADD %u VRF %s RMAC %s local-ip %s filter %s to %s", |
3882 | zl3vni->vni, vrf_id_to_name(zl3vni_vrf_id(zl3vni)), | |
3883 | prefix_mac2str(&rmac, buf, sizeof(buf)), | |
3884 | inet_ntoa(zl3vni->local_vtep_ip), | |
3885 | CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) | |
3886 | ? "prefix-routes-only" | |
3887 | : "none", | |
3888 | zebra_route_string(client->proto)); | |
b7cfce93 MK |
3889 | |
3890 | client->l3vniadd_cnt++; | |
21ccc0cf | 3891 | return zserv_send_message(client, s); |
b7cfce93 MK |
3892 | } |
3893 | ||
3894 | /* | |
3895 | * Inform BGP about local l3-VNI deletion. | |
3896 | */ | |
3897 | static int zl3vni_send_del_to_client(zebra_l3vni_t *zl3vni) | |
3898 | { | |
3899 | struct stream *s = NULL; | |
3900 | struct zserv *client = NULL; | |
3901 | ||
21ccc0cf | 3902 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
b7cfce93 MK |
3903 | /* BGP may not be running. */ |
3904 | if (!client) | |
3905 | return 0; | |
3906 | ||
1002497a | 3907 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
b7cfce93 | 3908 | |
996c9314 | 3909 | zclient_create_header(s, ZEBRA_L3VNI_DEL, zl3vni_vrf_id(zl3vni)); |
b7cfce93 MK |
3910 | stream_putl(s, zl3vni->vni); |
3911 | ||
3912 | /* Write packet size. */ | |
3913 | stream_putw_at(s, 0, stream_get_endp(s)); | |
3914 | ||
3915 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3916 | zlog_debug("Send L3_VNI_DEL %u VRF %s to %s", zl3vni->vni, |
b7cfce93 MK |
3917 | vrf_id_to_name(zl3vni_vrf_id(zl3vni)), |
3918 | zebra_route_string(client->proto)); | |
3919 | ||
3920 | client->l3vnidel_cnt++; | |
21ccc0cf | 3921 | return zserv_send_message(client, s); |
b7cfce93 MK |
3922 | } |
3923 | ||
3924 | static void zebra_vxlan_process_l3vni_oper_up(zebra_l3vni_t *zl3vni) | |
3925 | { | |
2aeb403d | 3926 | if (!zl3vni) |
3927 | return; | |
3928 | ||
b7cfce93 MK |
3929 | /* send l3vni add to BGP */ |
3930 | zl3vni_send_add_to_client(zl3vni); | |
3931 | } | |
3932 | ||
3933 | static void zebra_vxlan_process_l3vni_oper_down(zebra_l3vni_t *zl3vni) | |
3934 | { | |
2aeb403d | 3935 | if (!zl3vni) |
3936 | return; | |
3937 | ||
b7cfce93 MK |
3938 | /* send l3-vni del to BGP*/ |
3939 | zl3vni_send_del_to_client(zl3vni); | |
3940 | } | |
3941 | ||
996c9314 | 3942 | static void zvni_add_to_l3vni_list(struct hash_backet *backet, void *ctxt) |
b7cfce93 | 3943 | { |
996c9314 LB |
3944 | zebra_vni_t *zvni = (zebra_vni_t *)backet->data; |
3945 | zebra_l3vni_t *zl3vni = (zebra_l3vni_t *)ctxt; | |
b7cfce93 MK |
3946 | |
3947 | if (zvni->vrf_id == zl3vni_vrf_id(zl3vni)) | |
3948 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
3949 | } | |
3950 | ||
b7cfce93 MK |
3951 | /* |
3952 | * handle transition of vni from l2 to l3 and vice versa | |
3953 | */ | |
996c9314 LB |
3954 | static int zebra_vxlan_handle_vni_transition(struct zebra_vrf *zvrf, vni_t vni, |
3955 | int add) | |
b7cfce93 MK |
3956 | { |
3957 | zebra_vni_t *zvni = NULL; | |
3958 | ||
3959 | /* There is a possibility that VNI notification was already received | |
3960 | * from kernel and we programmed it as L2-VNI | |
3961 | * In such a case we need to delete this L2-VNI first, so | |
3962 | * that it can be reprogrammed as L3-VNI in the system. It is also | |
3963 | * possible that the vrf-vni mapping is removed from FRR while the vxlan | |
3964 | * interface is still present in kernel. In this case to keep it | |
523cafc4 | 3965 | * symmetric, we will delete the l3-vni and reprogram it as l2-vni |
3966 | */ | |
b7cfce93 MK |
3967 | if (add) { |
3968 | /* Locate hash entry */ | |
3969 | zvni = zvni_lookup(vni); | |
3970 | if (!zvni) | |
3971 | return 0; | |
3972 | ||
3973 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 3974 | zlog_debug("Del L2-VNI %u - transition to L3-VNI", vni); |
b7cfce93 MK |
3975 | |
3976 | /* Delete VNI from BGP. */ | |
3977 | zvni_send_del_to_client(zvni->vni); | |
3978 | ||
3979 | /* Free up all neighbors and MAC, if any. */ | |
3980 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
3981 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
3982 | ||
3983 | /* Free up all remote VTEPs, if any. */ | |
3984 | zvni_vtep_del_all(zvni, 0); | |
3985 | ||
3986 | /* Delete the hash entry. */ | |
3987 | if (zvni_del(zvni)) { | |
e914ccbe | 3988 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
3989 | "Failed to del VNI hash %p, VNI %u", zvni, |
3990 | zvni->vni); | |
b7cfce93 MK |
3991 | return -1; |
3992 | } | |
3993 | } else { | |
3994 | /* TODO_MITESH: This needs to be thought through. We don't have | |
3995 | * enough information at this point to reprogram the vni as | |
3996 | * l2-vni. One way is to store the required info in l3-vni and | |
523cafc4 | 3997 | * used it solely for this purpose |
3998 | */ | |
b7cfce93 MK |
3999 | } |
4000 | ||
4001 | return 0; | |
4002 | } | |
4003 | ||
5e06422c | 4004 | /* delete and uninstall rmac hash entry */ |
996c9314 | 4005 | static void zl3vni_del_rmac_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4006 | { |
4007 | zebra_mac_t *zrmac = NULL; | |
4008 | zebra_l3vni_t *zl3vni = NULL; | |
4009 | ||
4010 | zrmac = (zebra_mac_t *)backet->data; | |
4011 | zl3vni = (zebra_l3vni_t *)ctx; | |
4012 | zl3vni_rmac_uninstall(zl3vni, zrmac); | |
4013 | zl3vni_rmac_del(zl3vni, zrmac); | |
4014 | } | |
4015 | ||
4016 | /* delete and uninstall nh hash entry */ | |
996c9314 | 4017 | static void zl3vni_del_nh_hash_entry(struct hash_backet *backet, void *ctx) |
5e06422c MK |
4018 | { |
4019 | zebra_neigh_t *n = NULL; | |
4020 | zebra_l3vni_t *zl3vni = NULL; | |
4021 | ||
4022 | n = (zebra_neigh_t *)backet->data; | |
4023 | zl3vni = (zebra_l3vni_t *)ctx; | |
4024 | zl3vni_nh_uninstall(zl3vni, n); | |
4025 | zl3vni_nh_del(zl3vni, n); | |
4026 | } | |
4027 | ||
996c9314 LB |
4028 | static int ip_prefix_send_to_client(vrf_id_t vrf_id, struct prefix *p, |
4029 | uint16_t cmd) | |
31310b25 MK |
4030 | { |
4031 | struct zserv *client = NULL; | |
4032 | struct stream *s = NULL; | |
4033 | char buf[PREFIX_STRLEN]; | |
4034 | ||
21ccc0cf | 4035 | client = zserv_find_client(ZEBRA_ROUTE_BGP, 0); |
31310b25 MK |
4036 | /* BGP may not be running. */ |
4037 | if (!client) | |
4038 | return 0; | |
4039 | ||
1002497a | 4040 | s = stream_new(ZEBRA_MAX_PACKET_SIZ); |
31310b25 | 4041 | |
22bd3e94 | 4042 | zclient_create_header(s, cmd, vrf_id); |
31310b25 MK |
4043 | stream_put(s, p, sizeof(struct prefix)); |
4044 | ||
4045 | /* Write packet size. */ | |
4046 | stream_putw_at(s, 0, stream_get_endp(s)); | |
4047 | ||
4048 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 4049 | zlog_debug("Send ip prefix %s %s on vrf %s", |
31310b25 MK |
4050 | prefix2str(p, buf, sizeof(buf)), |
4051 | (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) ? "ADD" : "DEL", | |
4052 | vrf_id_to_name(vrf_id)); | |
4053 | ||
4054 | if (cmd == ZEBRA_IP_PREFIX_ROUTE_ADD) | |
4055 | client->prefixadd_cnt++; | |
4056 | else | |
4057 | client->prefixdel_cnt++; | |
4058 | ||
21ccc0cf | 4059 | return zserv_send_message(client, s); |
31310b25 MK |
4060 | } |
4061 | ||
a9a76262 MK |
4062 | /* re-add remote rmac if needed */ |
4063 | static int zebra_vxlan_readd_remote_rmac(zebra_l3vni_t *zl3vni, | |
996c9314 | 4064 | struct ethaddr *rmac) |
a9a76262 MK |
4065 | { |
4066 | char buf[ETHER_ADDR_STRLEN]; | |
4067 | zebra_mac_t *zrmac = NULL; | |
4068 | ||
4069 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4070 | if (!zrmac) | |
4071 | return 0; | |
4072 | ||
4073 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4074 | zlog_debug("Del remote RMAC %s L3VNI %u - readd", | |
996c9314 | 4075 | prefix_mac2str(rmac, buf, sizeof(buf)), zl3vni->vni); |
a9a76262 MK |
4076 | |
4077 | zl3vni_rmac_install(zl3vni, zrmac); | |
4078 | return 0; | |
4079 | } | |
4080 | ||
f07e1c99 | 4081 | /* Process a remote MACIP add from BGP. */ |
4082 | static void process_remote_macip_add(vni_t vni, | |
4083 | struct ethaddr *macaddr, | |
9df2b997 | 4084 | uint16_t ipa_len, |
f07e1c99 | 4085 | struct ipaddr *ipaddr, |
9df2b997 | 4086 | uint8_t flags, |
f07e1c99 | 4087 | uint32_t seq, |
4088 | struct in_addr vtep_ip) | |
c48d9f5f | 4089 | { |
f07e1c99 | 4090 | zebra_vni_t *zvni; |
4091 | zebra_vtep_t *zvtep; | |
4092 | zebra_mac_t *mac, *old_mac; | |
4093 | zebra_neigh_t *n = NULL; | |
4094 | int update_mac = 0, update_neigh = 0; | |
4095 | char buf[ETHER_ADDR_STRLEN]; | |
4096 | char buf1[INET6_ADDRSTRLEN]; | |
4097 | struct interface *ifp = NULL; | |
4098 | struct zebra_if *zif = NULL; | |
4099 | uint32_t tmp_seq; | |
a37f4598 | 4100 | bool sticky; |
4101 | bool remote_gw; | |
4102 | bool is_router; | |
c48d9f5f | 4103 | |
f07e1c99 | 4104 | /* Locate VNI hash entry - expected to exist. */ |
4105 | zvni = zvni_lookup(vni); | |
4106 | if (!zvni) { | |
4107 | zlog_warn("Unknown VNI %u upon remote MACIP ADD", vni); | |
4108 | return; | |
4109 | } | |
2dbad57f | 4110 | |
f07e1c99 | 4111 | ifp = zvni->vxlan_if; |
4112 | if (ifp) | |
4113 | zif = ifp->info; | |
4114 | if (!ifp || | |
4115 | !if_is_operative(ifp) || | |
4116 | !zif || | |
4117 | !zif->brslave_info.br_if) { | |
4118 | zlog_warn("Ignoring remote MACIP ADD VNI %u, invalid interface state or info", | |
4119 | vni); | |
2dbad57f | 4120 | return; |
f07e1c99 | 4121 | } |
2dbad57f | 4122 | |
f07e1c99 | 4123 | /* The remote VTEP specified should normally exist, but it is |
4124 | * possible that when peering comes up, peer may advertise MACIP | |
4125 | * routes before advertising type-3 routes. | |
f50dc5e6 | 4126 | */ |
f07e1c99 | 4127 | zvtep = zvni_vtep_find(zvni, &vtep_ip); |
4128 | if (!zvtep) { | |
4129 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
4130 | flog_err( | |
e914ccbe | 4131 | EC_ZEBRA_VTEP_ADD_FAILED, |
f07e1c99 | 4132 | "Failed to add remote VTEP, VNI %u zvni %p upon remote MACIP ADD", |
4133 | vni, zvni); | |
4134 | return; | |
4135 | } | |
2dbad57f | 4136 | |
f07e1c99 | 4137 | zvni_vtep_install(zvni, &vtep_ip); |
4138 | } | |
f50dc5e6 | 4139 | |
a37f4598 | 4140 | sticky = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_STICKY); |
4141 | remote_gw = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW); | |
4142 | is_router = !!CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG); | |
2dbad57f | 4143 | |
f07e1c99 | 4144 | mac = zvni_mac_lookup(zvni, macaddr); |
2dbad57f | 4145 | |
f07e1c99 | 4146 | /* Ignore if the mac is already present as a gateway mac */ |
4147 | if (mac && | |
4148 | CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW) && | |
4149 | CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_GW)) { | |
4150 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4151 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4152 | vni, | |
4153 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4154 | ipa_len ? " IP " : "", | |
4155 | ipa_len ? | |
4156 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
2dbad57f | 4157 | return; |
f07e1c99 | 4158 | } |
2dbad57f | 4159 | |
f07e1c99 | 4160 | /* check if the remote MAC is unknown or has a change. |
4161 | * If so, that needs to be updated first. Note that client could | |
4162 | * install MAC and MACIP separately or just install the latter. | |
4163 | */ | |
4164 | if (!mac | |
4165 | || !CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) | |
a37f4598 | 4166 | || sticky != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY) |
4167 | || remote_gw != !!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW) | |
f07e1c99 | 4168 | || !IPV4_ADDR_SAME(&mac->fwd_info.r_vtep_ip, &vtep_ip) |
4169 | || seq != mac->rem_seq) | |
4170 | update_mac = 1; | |
4171 | ||
4172 | if (update_mac) { | |
4173 | if (!mac) { | |
4174 | mac = zvni_mac_add(zvni, macaddr); | |
4175 | if (!mac) { | |
4176 | zlog_warn( | |
4177 | "Failed to add MAC %s VNI %u Remote VTEP %s", | |
4178 | prefix_mac2str(macaddr, buf, | |
4179 | sizeof(buf)), | |
4180 | vni, inet_ntoa(vtep_ip)); | |
4181 | return; | |
4182 | } | |
4183 | ||
4184 | /* Is this MAC created for a MACIP? */ | |
4185 | if (ipa_len) | |
4186 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4187 | } else { | |
4188 | const char *mac_type; | |
4189 | ||
4190 | /* When host moves but changes its (MAC,IP) | |
4191 | * binding, BGP may install a MACIP entry that | |
4192 | * corresponds to "older" location of the host | |
4193 | * in transient situations (because {IP1,M1} | |
4194 | * is a different route from {IP1,M2}). Check | |
4195 | * the sequence number and ignore this update | |
4196 | * if appropriate. | |
4197 | */ | |
4198 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
4199 | tmp_seq = mac->loc_seq; | |
4200 | mac_type = "local"; | |
4201 | } else { | |
4202 | tmp_seq = mac->rem_seq; | |
4203 | mac_type = "remote"; | |
4204 | } | |
4205 | if (seq < tmp_seq) { | |
4206 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4207 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s MAC has higher seq %u", | |
4208 | vni, | |
4209 | prefix_mac2str(macaddr, | |
4210 | buf, sizeof(buf)), | |
4211 | ipa_len ? " IP " : "", | |
4212 | ipa_len ? | |
4213 | ipaddr2str(ipaddr, | |
4214 | buf1, sizeof(buf1)) : "", | |
4215 | mac_type, | |
4216 | tmp_seq); | |
4217 | return; | |
4218 | } | |
4219 | } | |
4220 | ||
4221 | /* Set "auto" and "remote" forwarding info. */ | |
4222 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
4223 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
4224 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
4225 | mac->fwd_info.r_vtep_ip = vtep_ip; | |
4226 | ||
4227 | if (sticky) | |
4228 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4229 | else | |
4230 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
4231 | ||
4232 | if (remote_gw) | |
4233 | SET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4234 | else | |
4235 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE_DEF_GW); | |
4236 | ||
4237 | zvni_process_neigh_on_remote_mac_add(zvni, mac); | |
4238 | ||
4239 | /* Install the entry. */ | |
4240 | zvni_mac_install(zvni, mac); | |
4241 | } | |
4242 | ||
4243 | /* Update seq number. */ | |
4244 | mac->rem_seq = seq; | |
4245 | ||
4246 | /* If there is no IP, return after clearing AUTO flag of MAC. */ | |
4247 | if (!ipa_len) { | |
4248 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
4249 | return; | |
4250 | } | |
4251 | ||
4252 | /* Check if the remote neighbor itself is unknown or has a | |
4253 | * change. If so, create or update and then install the entry. | |
4254 | */ | |
4255 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4256 | if (!n | |
4257 | || !CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
a37f4598 | 4258 | || is_router != !!CHECK_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG) |
f07e1c99 | 4259 | || (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) |
4260 | || !IPV4_ADDR_SAME(&n->r_vtep_ip, &vtep_ip) | |
4261 | || seq != n->rem_seq) | |
4262 | update_neigh = 1; | |
4263 | ||
4264 | if (update_neigh) { | |
4265 | if (!n) { | |
4266 | n = zvni_neigh_add(zvni, ipaddr, macaddr); | |
4267 | if (!n) { | |
4268 | zlog_warn( | |
4269 | "Failed to add Neigh %s MAC %s VNI %u Remote VTEP %s", | |
4270 | ipaddr2str(ipaddr, buf1, | |
4271 | sizeof(buf1)), | |
4272 | prefix_mac2str(macaddr, buf, | |
4273 | sizeof(buf)), | |
4274 | vni, inet_ntoa(vtep_ip)); | |
4275 | return; | |
4276 | } | |
4277 | ||
4278 | } else { | |
4279 | const char *n_type; | |
4280 | ||
4281 | /* When host moves but changes its (MAC,IP) | |
4282 | * binding, BGP may install a MACIP entry that | |
4283 | * corresponds to "older" location of the host | |
4284 | * in transient situations (because {IP1,M1} | |
4285 | * is a different route from {IP1,M2}). Check | |
4286 | * the sequence number and ignore this update | |
4287 | * if appropriate. | |
4288 | */ | |
4289 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL)) { | |
4290 | tmp_seq = n->loc_seq; | |
4291 | n_type = "local"; | |
4292 | } else { | |
4293 | tmp_seq = n->rem_seq; | |
4294 | n_type = "remote"; | |
4295 | } | |
4296 | if (seq < tmp_seq) { | |
4297 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4298 | zlog_debug("Ignore remote MACIP ADD VNI %u MAC %s%s%s as existing %s Neigh has higher seq %u", | |
4299 | vni, | |
4300 | prefix_mac2str(macaddr, | |
4301 | buf, sizeof(buf)), | |
4848ef74 A |
4302 | " IP ", |
4303 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), | |
f07e1c99 | 4304 | n_type, |
4305 | tmp_seq); | |
4306 | return; | |
4307 | } | |
4308 | if (memcmp(&n->emac, macaddr, sizeof(*macaddr)) != 0) { | |
4309 | /* MAC change, send a delete for old | |
4310 | * neigh if learnt locally. | |
4311 | */ | |
4312 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) && | |
4313 | IS_ZEBRA_NEIGH_ACTIVE(n)) | |
4314 | zvni_neigh_send_del_to_client( | |
4315 | zvni->vni, &n->ip, | |
4316 | &n->emac, 0); | |
4317 | ||
4318 | /* update neigh list for macs */ | |
4319 | old_mac = zvni_mac_lookup(zvni, &n->emac); | |
4320 | if (old_mac) { | |
4321 | listnode_delete(old_mac->neigh_list, n); | |
fe697c6b | 4322 | zvni_deref_ip2mac(zvni, old_mac); |
f07e1c99 | 4323 | } |
4324 | listnode_add_sort(mac->neigh_list, n); | |
4325 | memcpy(&n->emac, macaddr, ETH_ALEN); | |
4326 | } | |
4327 | } | |
4328 | ||
4329 | /* Set "remote" forwarding info. */ | |
4330 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_LOCAL); | |
4331 | n->r_vtep_ip = vtep_ip; | |
4332 | SET_FLAG(n->flags, ZEBRA_NEIGH_REMOTE); | |
4333 | ||
4334 | /* Set router flag (R-bit) to this Neighbor entry */ | |
4335 | if (CHECK_FLAG(flags, ZEBRA_MACIP_TYPE_ROUTER_FLAG)) | |
4336 | SET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f190902f | 4337 | else |
4338 | UNSET_FLAG(n->flags, ZEBRA_NEIGH_ROUTER_FLAG); | |
f07e1c99 | 4339 | |
4340 | /* Install the entry. */ | |
4341 | zvni_neigh_install(zvni, n); | |
4342 | } | |
4343 | ||
4344 | /* Update seq number. */ | |
4345 | n->rem_seq = seq; | |
4346 | } | |
4347 | ||
4348 | /* Process a remote MACIP delete from BGP. */ | |
4349 | static void process_remote_macip_del(vni_t vni, | |
4350 | struct ethaddr *macaddr, | |
9df2b997 | 4351 | uint16_t ipa_len, |
f07e1c99 | 4352 | struct ipaddr *ipaddr, |
4353 | struct in_addr vtep_ip) | |
4354 | { | |
4355 | zebra_vni_t *zvni; | |
4356 | zebra_mac_t *mac = NULL; | |
4357 | zebra_neigh_t *n = NULL; | |
4358 | struct interface *ifp = NULL; | |
4359 | struct zebra_if *zif = NULL; | |
4360 | char buf[ETHER_ADDR_STRLEN]; | |
4361 | char buf1[INET6_ADDRSTRLEN]; | |
4362 | ||
4363 | /* Locate VNI hash entry - expected to exist. */ | |
4364 | zvni = zvni_lookup(vni); | |
4365 | if (!zvni) { | |
4366 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4367 | zlog_debug("Unknown VNI %u upon remote MACIP DEL", vni); | |
4368 | return; | |
4369 | } | |
4370 | ||
4371 | ifp = zvni->vxlan_if; | |
4372 | if (ifp) | |
4373 | zif = ifp->info; | |
4374 | if (!ifp || | |
4375 | !if_is_operative(ifp) || | |
4376 | !zif || | |
4377 | !zif->brslave_info.br_if) { | |
4378 | if (IS_ZEBRA_DEBUG_VXLAN) | |
4379 | zlog_debug("Ignoring remote MACIP DEL VNI %u, invalid interface state or info", | |
4380 | vni); | |
4381 | return; | |
4382 | } | |
4383 | ||
4384 | /* The remote VTEP specified is normally expected to exist, but | |
4385 | * it is possible that the peer may delete the VTEP before deleting | |
4386 | * any MACs referring to the VTEP, in which case the handler (see | |
4387 | * remote_vtep_del) would have already deleted the MACs. | |
4388 | */ | |
4389 | if (!zvni_vtep_find(zvni, &vtep_ip)) | |
4390 | return; | |
4391 | ||
4392 | mac = zvni_mac_lookup(zvni, macaddr); | |
4393 | if (ipa_len) | |
4394 | n = zvni_neigh_lookup(zvni, ipaddr); | |
4395 | ||
4396 | if (n && !mac) { | |
4397 | zlog_warn("Failed to locate MAC %s for neigh %s VNI %u upon remote MACIP DEL", | |
4398 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4399 | ipaddr2str(ipaddr, buf1, sizeof(buf1)), vni); | |
4400 | return; | |
4401 | } | |
4402 | ||
4403 | /* If the remote mac or neighbor doesn't exist there is nothing | |
4404 | * more to do. Otherwise, uninstall the entry and then remove it. | |
4405 | */ | |
4406 | if (!mac && !n) | |
4407 | return; | |
4408 | ||
4409 | /* Ignore the delete if this mac is a gateway mac-ip */ | |
4410 | if (mac | |
4411 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL) | |
4412 | && CHECK_FLAG(mac->flags, ZEBRA_MAC_DEF_GW)) { | |
4413 | zlog_warn( | |
4414 | "Ignore remote MACIP DEL VNI %u MAC %s%s%s as MAC is already configured as gateway MAC", | |
4415 | vni, | |
4416 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
4417 | ipa_len ? " IP " : "", | |
4418 | ipa_len ? | |
4419 | ipaddr2str(ipaddr, buf1, sizeof(buf1)) : ""); | |
4420 | return; | |
4421 | } | |
4422 | ||
4423 | /* Uninstall remote neighbor or MAC. */ | |
4424 | if (n) { | |
4425 | /* When the MAC changes for an IP, it is possible the | |
4426 | * client may update the new MAC before trying to delete the | |
4427 | * "old" neighbor (as these are two different MACIP routes). | |
4428 | * Do the delete only if the MAC matches. | |
4429 | */ | |
4430 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE) | |
4431 | && (memcmp(n->emac.octet, macaddr->octet, ETH_ALEN) == 0)) { | |
4432 | zvni_neigh_uninstall(zvni, n); | |
4433 | zvni_neigh_del(zvni, n); | |
fe697c6b | 4434 | zvni_deref_ip2mac(zvni, mac); |
f07e1c99 | 4435 | } |
4436 | } else { | |
4437 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) { | |
4438 | zvni_process_neigh_on_remote_mac_del(zvni, mac); | |
4439 | ||
fe697c6b | 4440 | /* If all remote neighbors referencing a remote MAC |
4441 | * go away, we need to uninstall the MAC. | |
4442 | */ | |
4443 | if (remote_neigh_count(mac) == 0) { | |
d63c1b18 | 4444 | zvni_mac_uninstall(zvni, mac); |
fe697c6b | 4445 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); |
4446 | } | |
4447 | if (list_isempty(mac->neigh_list)) | |
f07e1c99 | 4448 | zvni_mac_del(zvni, mac); |
fe697c6b | 4449 | else |
f07e1c99 | 4450 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); |
4451 | } | |
4452 | } | |
4453 | } | |
4454 | ||
4455 | ||
b7cfce93 MK |
4456 | /* Public functions */ |
4457 | ||
c48d9f5f MK |
4458 | int is_l3vni_for_prefix_routes_only(vni_t vni) |
4459 | { | |
4460 | zebra_l3vni_t *zl3vni = NULL; | |
4461 | ||
4462 | zl3vni = zl3vni_lookup(vni); | |
4463 | if (!zl3vni) | |
4464 | return 0; | |
4465 | ||
4466 | return CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY) ? 1 : 0; | |
4467 | } | |
4468 | ||
2dbad57f | 4469 | /* handle evpn route in vrf table */ |
996c9314 LB |
4470 | void zebra_vxlan_evpn_vrf_route_add(vrf_id_t vrf_id, struct ethaddr *rmac, |
4471 | struct ipaddr *vtep_ip, | |
4472 | struct prefix *host_prefix) | |
2dbad57f | 4473 | { |
4474 | zebra_l3vni_t *zl3vni = NULL; | |
f50dc5e6 | 4475 | struct ipaddr ipv4_vtep; |
2dbad57f | 4476 | |
4477 | zl3vni = zl3vni_from_vrf(vrf_id); | |
4478 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
4479 | return; | |
4480 | ||
3518f352 | 4481 | /* |
f50dc5e6 MK |
4482 | * add the next hop neighbor - |
4483 | * neigh to be installed is the ipv6 nexthop neigh | |
4484 | */ | |
3518f352 | 4485 | zl3vni_remote_nh_add(zl3vni, vtep_ip, rmac, host_prefix); |
2dbad57f | 4486 | |
f50dc5e6 MK |
4487 | /* |
4488 | * if the remote vtep is a ipv4 mapped ipv6 address convert it to ipv4 | |
4489 | * address. Rmac is programmed against the ipv4 vtep because we only | |
4490 | * support ipv4 tunnels in the h/w right now | |
4491 | */ | |
4492 | memset(&ipv4_vtep, 0, sizeof(struct ipaddr)); | |
4493 | ipv4_vtep.ipa_type = IPADDR_V4; | |
4494 | if (vtep_ip->ipa_type == IPADDR_V6) | |
4495 | ipv4_mapped_ipv6_to_ipv4(&vtep_ip->ipaddr_v6, | |
4496 | &(ipv4_vtep.ipaddr_v4)); | |
4497 | else | |
4498 | memcpy(&(ipv4_vtep.ipaddr_v4), &vtep_ip->ipaddr_v4, | |
4499 | sizeof(struct in_addr)); | |
4500 | ||
3518f352 DS |
4501 | /* |
4502 | * add the rmac - remote rmac to be installed is against the ipv4 | |
f50dc5e6 MK |
4503 | * nexthop address |
4504 | */ | |
3518f352 | 4505 | zl3vni_remote_rmac_add(zl3vni, rmac, &ipv4_vtep, host_prefix); |
2dbad57f | 4506 | } |
4507 | ||
4508 | /* handle evpn vrf route delete */ | |
22e63104 | 4509 | void zebra_vxlan_evpn_vrf_route_del(vrf_id_t vrf_id, |
996c9314 LB |
4510 | struct ipaddr *vtep_ip, |
4511 | struct prefix *host_prefix) | |
2dbad57f | 4512 | { |
4513 | zebra_l3vni_t *zl3vni = NULL; | |
22e63104 | 4514 | zebra_neigh_t *nh = NULL; |
4515 | zebra_mac_t *zrmac = NULL; | |
2dbad57f | 4516 | |
4517 | zl3vni = zl3vni_from_vrf(vrf_id); | |
5e06422c | 4518 | if (!zl3vni) |
2dbad57f | 4519 | return; |
4520 | ||
22e63104 | 4521 | /* find the next hop entry and rmac entry */ |
4522 | nh = zl3vni_nh_lookup(zl3vni, vtep_ip); | |
4523 | if (!nh) | |
4524 | return; | |
4525 | zrmac = zl3vni_rmac_lookup(zl3vni, &nh->emac); | |
4526 | ||
2dbad57f | 4527 | /* delete the next hop entry */ |
22e63104 | 4528 | zl3vni_remote_nh_del(zl3vni, nh, host_prefix); |
2dbad57f | 4529 | |
4530 | /* delete the rmac entry */ | |
22e63104 | 4531 | if (zrmac) |
4532 | zl3vni_remote_rmac_del(zl3vni, zrmac, host_prefix); | |
4533 | ||
2dbad57f | 4534 | } |
4535 | ||
996c9314 | 4536 | void zebra_vxlan_print_specific_rmac_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4537 | struct ethaddr *rmac, bool use_json) |
9aa741ea MK |
4538 | { |
4539 | zebra_l3vni_t *zl3vni = NULL; | |
4540 | zebra_mac_t *zrmac = NULL; | |
316f4ca4 | 4541 | json_object *json = NULL; |
9aa741ea | 4542 | |
316f4ca4 MK |
4543 | if (!is_evpn_enabled()) { |
4544 | if (use_json) | |
4545 | vty_out(vty, "{}\n"); | |
9aa741ea | 4546 | return; |
316f4ca4 MK |
4547 | } |
4548 | ||
4549 | if (use_json) | |
4550 | json = json_object_new_object(); | |
9aa741ea MK |
4551 | |
4552 | zl3vni = zl3vni_lookup(l3vni); | |
4553 | if (!zl3vni) { | |
316f4ca4 MK |
4554 | if (use_json) |
4555 | vty_out(vty, "{}\n"); | |
4556 | else | |
996c9314 | 4557 | vty_out(vty, "%% L3-VNI %u doesnt exist\n", l3vni); |
9aa741ea MK |
4558 | return; |
4559 | } | |
4560 | ||
4561 | zrmac = zl3vni_rmac_lookup(zl3vni, rmac); | |
4562 | if (!zrmac) { | |
316f4ca4 MK |
4563 | if (use_json) |
4564 | vty_out(vty, "{}\n"); | |
4565 | else | |
4566 | vty_out(vty, | |
4567 | "%% Requested RMAC doesnt exist in L3-VNI %u", | |
4568 | l3vni); | |
9aa741ea MK |
4569 | return; |
4570 | } | |
4571 | ||
316f4ca4 MK |
4572 | zl3vni_print_rmac(zrmac, vty, json); |
4573 | ||
4574 | if (use_json) { | |
4575 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4576 | json, JSON_C_TO_STRING_PRETTY)); | |
4577 | json_object_free(json); | |
4578 | } | |
9aa741ea | 4579 | } |
2dbad57f | 4580 | |
9f049418 | 4581 | void zebra_vxlan_print_rmacs_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 MK |
4582 | { |
4583 | zebra_l3vni_t *zl3vni; | |
d7c0a89a | 4584 | uint32_t num_rmacs; |
b7cfce93 MK |
4585 | struct rmac_walk_ctx wctx; |
4586 | json_object *json = NULL; | |
b7cfce93 MK |
4587 | |
4588 | if (!is_evpn_enabled()) | |
4589 | return; | |
4590 | ||
4591 | zl3vni = zl3vni_lookup(l3vni); | |
4592 | if (!zl3vni) { | |
4593 | if (use_json) | |
4594 | vty_out(vty, "{}\n"); | |
4595 | else | |
4596 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4597 | return; | |
4598 | } | |
4599 | num_rmacs = hashcount(zl3vni->rmac_table); | |
4600 | if (!num_rmacs) | |
4601 | return; | |
4602 | ||
75223c9e | 4603 | if (use_json) |
b7cfce93 | 4604 | json = json_object_new_object(); |
b7cfce93 MK |
4605 | |
4606 | memset(&wctx, 0, sizeof(struct rmac_walk_ctx)); | |
4607 | wctx.vty = vty; | |
75223c9e | 4608 | wctx.json = json; |
b7cfce93 | 4609 | if (!use_json) { |
996c9314 | 4610 | vty_out(vty, "Number of Remote RMACs known for this VNI: %u\n", |
b7cfce93 | 4611 | num_rmacs); |
4cce389e | 4612 | vty_out(vty, "%-17s %-21s\n", "MAC", "Remote VTEP"); |
b7cfce93 MK |
4613 | } else |
4614 | json_object_int_add(json, "numRmacs", num_rmacs); | |
4615 | ||
4616 | hash_iterate(zl3vni->rmac_table, zl3vni_print_rmac_hash, &wctx); | |
4617 | ||
4618 | if (use_json) { | |
b7cfce93 MK |
4619 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4620 | json, JSON_C_TO_STRING_PRETTY)); | |
4621 | json_object_free(json); | |
4622 | } | |
4623 | } | |
4624 | ||
9f049418 | 4625 | void zebra_vxlan_print_rmacs_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4626 | { |
b7cfce93 | 4627 | json_object *json = NULL; |
c0b4eaa4 | 4628 | void *args[2]; |
b7cfce93 MK |
4629 | |
4630 | if (!is_evpn_enabled()) { | |
4631 | if (use_json) | |
4632 | vty_out(vty, "{}\n"); | |
4633 | return; | |
4634 | } | |
4635 | ||
b7cfce93 MK |
4636 | if (use_json) |
4637 | json = json_object_new_object(); | |
4638 | ||
c0b4eaa4 MK |
4639 | args[0] = vty; |
4640 | args[1] = json; | |
89272910 | 4641 | hash_iterate(zrouter.l3vni_table, |
c0b4eaa4 MK |
4642 | (void (*)(struct hash_backet *, |
4643 | void *))zl3vni_print_rmac_hash_all_vni, | |
4644 | args); | |
b7cfce93 MK |
4645 | |
4646 | if (use_json) { | |
4647 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4648 | json, JSON_C_TO_STRING_PRETTY)); | |
4649 | json_object_free(json); | |
4650 | } | |
4651 | } | |
4652 | ||
996c9314 | 4653 | void zebra_vxlan_print_specific_nh_l3vni(struct vty *vty, vni_t l3vni, |
9f049418 | 4654 | struct ipaddr *ip, bool use_json) |
9aa741ea MK |
4655 | { |
4656 | zebra_l3vni_t *zl3vni = NULL; | |
4657 | zebra_neigh_t *n = NULL; | |
c0e519d3 | 4658 | json_object *json = NULL; |
9aa741ea | 4659 | |
c0e519d3 MK |
4660 | if (!is_evpn_enabled()) { |
4661 | if (use_json) | |
4662 | vty_out(vty, "{}\n"); | |
9aa741ea | 4663 | return; |
c0e519d3 MK |
4664 | } |
4665 | ||
4666 | if (use_json) | |
4667 | json = json_object_new_object(); | |
9aa741ea MK |
4668 | |
4669 | zl3vni = zl3vni_lookup(l3vni); | |
4670 | if (!zl3vni) { | |
c0e519d3 MK |
4671 | if (use_json) |
4672 | vty_out(vty, "{}\n"); | |
4673 | else | |
4674 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
9aa741ea MK |
4675 | return; |
4676 | } | |
4677 | ||
4678 | n = zl3vni_nh_lookup(zl3vni, ip); | |
4679 | if (!n) { | |
c0e519d3 MK |
4680 | if (use_json) |
4681 | vty_out(vty, "{}\n"); | |
4682 | else | |
4683 | vty_out(vty, | |
4684 | "%% Requested next-hop not present for L3-VNI %u", | |
4685 | l3vni); | |
9aa741ea MK |
4686 | return; |
4687 | } | |
4688 | ||
c0e519d3 MK |
4689 | zl3vni_print_nh(n, vty, json); |
4690 | ||
4691 | if (use_json) { | |
4692 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4693 | json, JSON_C_TO_STRING_PRETTY)); | |
4694 | json_object_free(json); | |
4695 | } | |
9aa741ea MK |
4696 | } |
4697 | ||
9f049418 | 4698 | void zebra_vxlan_print_nh_l3vni(struct vty *vty, vni_t l3vni, bool use_json) |
b7cfce93 | 4699 | { |
d7c0a89a | 4700 | uint32_t num_nh; |
2dbad57f | 4701 | struct nh_walk_ctx wctx; |
b7cfce93 | 4702 | json_object *json = NULL; |
b7cfce93 MK |
4703 | zebra_l3vni_t *zl3vni = NULL; |
4704 | ||
4705 | if (!is_evpn_enabled()) | |
4706 | return; | |
4707 | ||
4708 | zl3vni = zl3vni_lookup(l3vni); | |
4709 | if (!zl3vni) { | |
4710 | if (use_json) | |
4711 | vty_out(vty, "{}\n"); | |
4712 | else | |
4713 | vty_out(vty, "%% L3-VNI %u does not exist\n", l3vni); | |
4714 | return; | |
4715 | } | |
4716 | ||
4717 | num_nh = hashcount(zl3vni->nh_table); | |
4718 | if (!num_nh) | |
4719 | return; | |
4720 | ||
9187f600 | 4721 | if (use_json) |
b7cfce93 | 4722 | json = json_object_new_object(); |
b7cfce93 | 4723 | |
2dbad57f | 4724 | wctx.vty = vty; |
9187f600 | 4725 | wctx.json = json; |
b7cfce93 | 4726 | if (!use_json) { |
996c9314 | 4727 | vty_out(vty, "Number of NH Neighbors known for this VNI: %u\n", |
b7cfce93 | 4728 | num_nh); |
4cce389e | 4729 | vty_out(vty, "%-15s %-17s\n", "IP", "RMAC"); |
b7cfce93 | 4730 | } else |
4cce389e | 4731 | json_object_int_add(json, "numNextHops", num_nh); |
b7cfce93 MK |
4732 | |
4733 | hash_iterate(zl3vni->nh_table, zl3vni_print_nh_hash, &wctx); | |
4734 | ||
4735 | if (use_json) { | |
b7cfce93 MK |
4736 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
4737 | json, JSON_C_TO_STRING_PRETTY)); | |
4738 | json_object_free(json); | |
4739 | } | |
4740 | } | |
4741 | ||
9f049418 | 4742 | void zebra_vxlan_print_nh_all_l3vni(struct vty *vty, bool use_json) |
b7cfce93 | 4743 | { |
2dbad57f | 4744 | json_object *json = NULL; |
32798965 | 4745 | void *args[2]; |
2dbad57f | 4746 | |
4747 | if (!is_evpn_enabled()) { | |
4748 | if (use_json) | |
4749 | vty_out(vty, "{}\n"); | |
4750 | return; | |
4751 | } | |
4752 | ||
2dbad57f | 4753 | if (use_json) |
4754 | json = json_object_new_object(); | |
4755 | ||
32798965 MK |
4756 | args[0] = vty; |
4757 | args[1] = json; | |
89272910 | 4758 | hash_iterate(zrouter.l3vni_table, |
32798965 MK |
4759 | (void (*)(struct hash_backet *, |
4760 | void *))zl3vni_print_nh_hash_all_vni, | |
4761 | args); | |
2dbad57f | 4762 | |
4763 | if (use_json) { | |
4764 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4765 | json, JSON_C_TO_STRING_PRETTY)); | |
4766 | json_object_free(json); | |
4767 | } | |
b7cfce93 MK |
4768 | } |
4769 | ||
4770 | /* | |
4771 | * Display L3 VNI information (VTY command handler). | |
4772 | */ | |
9f049418 | 4773 | void zebra_vxlan_print_l3vni(struct vty *vty, vni_t vni, bool use_json) |
b7cfce93 MK |
4774 | { |
4775 | void *args[2]; | |
4776 | json_object *json = NULL; | |
4777 | zebra_l3vni_t *zl3vni = NULL; | |
4778 | ||
b2ee5a13 MK |
4779 | if (!is_evpn_enabled()) { |
4780 | if (use_json) | |
4781 | vty_out(vty, "{}\n"); | |
b7cfce93 | 4782 | return; |
b2ee5a13 | 4783 | } |
b7cfce93 MK |
4784 | |
4785 | zl3vni = zl3vni_lookup(vni); | |
4786 | if (!zl3vni) { | |
4787 | if (use_json) | |
4788 | vty_out(vty, "{}\n"); | |
4789 | else | |
4790 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4791 | return; | |
4792 | } | |
4793 | ||
4794 | if (use_json) | |
4795 | json = json_object_new_object(); | |
4796 | ||
b2ee5a13 MK |
4797 | args[0] = vty; |
4798 | args[1] = json; | |
b7cfce93 MK |
4799 | zl3vni_print(zl3vni, (void *)args); |
4800 | ||
4801 | if (use_json) { | |
4802 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4803 | json, JSON_C_TO_STRING_PRETTY)); | |
4804 | json_object_free(json); | |
4805 | } | |
4806 | } | |
4807 | ||
4cce389e MK |
4808 | void zebra_vxlan_print_vrf_vni(struct vty *vty, struct zebra_vrf *zvrf, |
4809 | json_object *json_vrfs) | |
b7cfce93 | 4810 | { |
4cce389e MK |
4811 | char buf[ETHER_ADDR_STRLEN]; |
4812 | zebra_l3vni_t *zl3vni = NULL; | |
b7cfce93 | 4813 | |
4cce389e MK |
4814 | zl3vni = zl3vni_lookup(zvrf->l3vni); |
4815 | if (!zl3vni) | |
b7cfce93 | 4816 | return; |
b7cfce93 | 4817 | |
4cce389e MK |
4818 | if (!json_vrfs) { |
4819 | vty_out(vty, "%-37s %-10u %-20s %-20s %-5s %-18s\n", | |
996c9314 | 4820 | zvrf_name(zvrf), zl3vni->vni, |
4cce389e | 4821 | zl3vni_vxlan_if_name(zl3vni), |
996c9314 | 4822 | zl3vni_svi_if_name(zl3vni), zl3vni_state2str(zl3vni), |
4cce389e | 4823 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); |
b7cfce93 | 4824 | } else { |
4cce389e | 4825 | json_object *json_vrf = NULL; |
9df2b997 | 4826 | |
4cce389e | 4827 | json_vrf = json_object_new_object(); |
996c9314 | 4828 | json_object_string_add(json_vrf, "vrf", zvrf_name(zvrf)); |
4cce389e MK |
4829 | json_object_int_add(json_vrf, "vni", zl3vni->vni); |
4830 | json_object_string_add(json_vrf, "vxlanIntf", | |
4831 | zl3vni_vxlan_if_name(zl3vni)); | |
4832 | json_object_string_add(json_vrf, "sviIntf", | |
4833 | zl3vni_svi_if_name(zl3vni)); | |
4834 | json_object_string_add(json_vrf, "state", | |
4835 | zl3vni_state2str(zl3vni)); | |
996c9314 LB |
4836 | json_object_string_add( |
4837 | json_vrf, "routerMac", | |
4838 | zl3vni_rmac2str(zl3vni, buf, sizeof(buf))); | |
4cce389e | 4839 | json_object_array_add(json_vrfs, json_vrf); |
b7cfce93 MK |
4840 | } |
4841 | } | |
4842 | ||
4843 | /* | |
4844 | * Display Neighbors for a VNI (VTY command handler). | |
4845 | */ | |
4846 | void zebra_vxlan_print_neigh_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4847 | vni_t vni, bool use_json) |
b7cfce93 MK |
4848 | { |
4849 | zebra_vni_t *zvni; | |
d7c0a89a | 4850 | uint32_t num_neigh; |
b7cfce93 MK |
4851 | struct neigh_walk_ctx wctx; |
4852 | json_object *json = NULL; | |
4853 | ||
4854 | if (!is_evpn_enabled()) | |
4855 | return; | |
4856 | zvni = zvni_lookup(vni); | |
4857 | if (!zvni) { | |
4858 | if (use_json) | |
4859 | vty_out(vty, "{}\n"); | |
4860 | else | |
4861 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
4862 | return; | |
4863 | } | |
4864 | num_neigh = hashcount(zvni->neigh_table); | |
4865 | if (!num_neigh) | |
4866 | return; | |
4867 | ||
4868 | if (use_json) | |
4869 | json = json_object_new_object(); | |
4870 | ||
4871 | /* Since we have IPv6 addresses to deal with which can vary widely in | |
4872 | * size, we try to be a bit more elegant in display by first computing | |
4873 | * the maximum width. | |
4874 | */ | |
4875 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); | |
4876 | wctx.zvni = zvni; | |
4877 | wctx.vty = vty; | |
4878 | wctx.addr_width = 15; | |
4879 | wctx.json = json; | |
4880 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); | |
4881 | ||
4882 | if (!use_json) { | |
4883 | vty_out(vty, | |
4884 | "Number of ARPs (local and remote) known for this VNI: %u\n", | |
4885 | num_neigh); | |
1a8c5c38 | 4886 | vty_out(vty, "%*s %-6s %-8s %-17s %-21s\n", |
4887 | -wctx.addr_width, "IP", "Type", | |
4888 | "State", "MAC", "Remote VTEP"); | |
b7cfce93 MK |
4889 | } else |
4890 | json_object_int_add(json, "numArpNd", num_neigh); | |
4891 | ||
4892 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); | |
4893 | if (use_json) { | |
4894 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4895 | json, JSON_C_TO_STRING_PRETTY)); | |
4896 | json_object_free(json); | |
4897 | } | |
4898 | } | |
4899 | ||
4900 | /* | |
4901 | * Display neighbors across all VNIs (VTY command handler). | |
4902 | */ | |
4903 | void zebra_vxlan_print_neigh_all_vni(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 4904 | bool use_json) |
b7cfce93 MK |
4905 | { |
4906 | json_object *json = NULL; | |
4907 | void *args[2]; | |
4908 | ||
4909 | if (!is_evpn_enabled()) | |
4910 | return; | |
4911 | ||
4912 | if (use_json) | |
4913 | json = json_object_new_object(); | |
4914 | ||
4915 | args[0] = vty; | |
4916 | args[1] = json; | |
4917 | hash_iterate(zvrf->vni_table, | |
4918 | (void (*)(struct hash_backet *, | |
4919 | void *))zvni_print_neigh_hash_all_vni, | |
4920 | args); | |
4921 | if (use_json) { | |
4922 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4923 | json, JSON_C_TO_STRING_PRETTY)); | |
4924 | json_object_free(json); | |
4925 | } | |
4926 | } | |
4927 | ||
4928 | /* | |
4929 | * Display specific neighbor for a VNI, if present (VTY command handler). | |
4930 | */ | |
4931 | void zebra_vxlan_print_specific_neigh_vni(struct vty *vty, | |
4932 | struct zebra_vrf *zvrf, vni_t vni, | |
9f049418 | 4933 | struct ipaddr *ip, bool use_json) |
b7cfce93 MK |
4934 | { |
4935 | zebra_vni_t *zvni; | |
4936 | zebra_neigh_t *n; | |
4937 | json_object *json = NULL; | |
4938 | ||
4939 | if (!is_evpn_enabled()) | |
4940 | return; | |
4941 | zvni = zvni_lookup(vni); | |
4942 | if (!zvni) { | |
4943 | if (use_json) | |
cd233079 CS |
4944 | vty_out(vty, "{}\n"); |
4945 | else | |
4946 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4947 | return; |
4948 | } | |
4949 | n = zvni_neigh_lookup(zvni, ip); | |
4950 | if (!n) { | |
cd233079 CS |
4951 | if (!use_json) |
4952 | vty_out(vty, | |
4953 | "%% Requested neighbor does not exist in VNI %u\n", | |
4954 | vni); | |
d62a17ae | 4955 | return; |
4956 | } | |
cd233079 CS |
4957 | if (use_json) |
4958 | json = json_object_new_object(); | |
4959 | ||
4960 | zvni_print_neigh(n, vty, json); | |
cec2e17d | 4961 | |
cd233079 CS |
4962 | if (use_json) { |
4963 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
4964 | json, JSON_C_TO_STRING_PRETTY)); | |
4965 | json_object_free(json); | |
4966 | } | |
cec2e17d | 4967 | } |
4968 | ||
4969 | /* | |
4970 | * Display neighbors for a VNI from specific VTEP (VTY command handler). | |
4971 | * By definition, these are remote neighbors. | |
4972 | */ | |
d62a17ae | 4973 | void zebra_vxlan_print_neigh_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 4974 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 4975 | bool use_json) |
cec2e17d | 4976 | { |
d62a17ae | 4977 | zebra_vni_t *zvni; |
d7c0a89a | 4978 | uint32_t num_neigh; |
d62a17ae | 4979 | struct neigh_walk_ctx wctx; |
cd233079 | 4980 | json_object *json = NULL; |
cec2e17d | 4981 | |
2853fed6 | 4982 | if (!is_evpn_enabled()) |
d62a17ae | 4983 | return; |
2853fed6 | 4984 | zvni = zvni_lookup(vni); |
d62a17ae | 4985 | if (!zvni) { |
cd233079 CS |
4986 | if (use_json) |
4987 | vty_out(vty, "{}\n"); | |
4988 | else | |
4989 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 4990 | return; |
4991 | } | |
4992 | num_neigh = hashcount(zvni->neigh_table); | |
4993 | if (!num_neigh) | |
4994 | return; | |
cec2e17d | 4995 | |
d62a17ae | 4996 | memset(&wctx, 0, sizeof(struct neigh_walk_ctx)); |
4997 | wctx.zvni = zvni; | |
4998 | wctx.vty = vty; | |
68e33151 | 4999 | wctx.addr_width = 15; |
d62a17ae | 5000 | wctx.flags = SHOW_REMOTE_NEIGH_FROM_VTEP; |
5001 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5002 | wctx.json = json; |
68e33151 | 5003 | hash_iterate(zvni->neigh_table, zvni_find_neigh_addr_width, &wctx); |
d62a17ae | 5004 | hash_iterate(zvni->neigh_table, zvni_print_neigh_hash, &wctx); |
cd233079 CS |
5005 | |
5006 | if (use_json) { | |
5007 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5008 | json, JSON_C_TO_STRING_PRETTY)); | |
5009 | json_object_free(json); | |
5010 | } | |
cec2e17d | 5011 | } |
5012 | ||
5013 | /* | |
5014 | * Display MACs for a VNI (VTY command handler). | |
5015 | */ | |
d62a17ae | 5016 | void zebra_vxlan_print_macs_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5017 | vni_t vni, bool use_json) |
cec2e17d | 5018 | { |
d62a17ae | 5019 | zebra_vni_t *zvni; |
d7c0a89a | 5020 | uint32_t num_macs; |
d62a17ae | 5021 | struct mac_walk_ctx wctx; |
cd233079 CS |
5022 | json_object *json = NULL; |
5023 | json_object *json_mac = NULL; | |
cec2e17d | 5024 | |
2853fed6 | 5025 | if (!is_evpn_enabled()) |
d62a17ae | 5026 | return; |
2853fed6 | 5027 | zvni = zvni_lookup(vni); |
d62a17ae | 5028 | if (!zvni) { |
cd233079 CS |
5029 | if (use_json) |
5030 | vty_out(vty, "{}\n"); | |
5031 | else | |
5032 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5033 | return; |
5034 | } | |
790f8dc5 | 5035 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5036 | if (!num_macs) |
5037 | return; | |
cec2e17d | 5038 | |
cd233079 CS |
5039 | if (use_json) { |
5040 | json = json_object_new_object(); | |
5041 | json_mac = json_object_new_object(); | |
5042 | } | |
5043 | ||
d62a17ae | 5044 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5045 | wctx.zvni = zvni; | |
5046 | wctx.vty = vty; | |
cd233079 | 5047 | wctx.json = json_mac; |
cec2e17d | 5048 | |
cd233079 CS |
5049 | if (!use_json) { |
5050 | vty_out(vty, | |
5051 | "Number of MACs (local and remote) known for this VNI: %u\n", | |
5052 | num_macs); | |
5053 | vty_out(vty, "%-17s %-6s %-21s %-5s\n", "MAC", "Type", | |
5054 | "Intf/Remote VTEP", "VLAN"); | |
5055 | } else | |
5056 | json_object_int_add(json, "numMacs", num_macs); | |
cec2e17d | 5057 | |
d62a17ae | 5058 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5059 | |
5060 | if (use_json) { | |
5061 | json_object_object_add(json, "macs", json_mac); | |
5062 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5063 | json, JSON_C_TO_STRING_PRETTY)); | |
5064 | json_object_free(json); | |
5065 | } | |
cec2e17d | 5066 | } |
5067 | ||
5068 | /* | |
5069 | * Display MACs for all VNIs (VTY command handler). | |
5070 | */ | |
cd233079 | 5071 | void zebra_vxlan_print_macs_all_vni(struct vty *vty, struct zebra_vrf *zvrf, |
9f049418 | 5072 | bool use_json) |
cec2e17d | 5073 | { |
d62a17ae | 5074 | struct mac_walk_ctx wctx; |
cd233079 | 5075 | json_object *json = NULL; |
cec2e17d | 5076 | |
2853fed6 | 5077 | if (!is_evpn_enabled()) { |
cd233079 CS |
5078 | if (use_json) |
5079 | vty_out(vty, "{}\n"); | |
d62a17ae | 5080 | return; |
cd233079 CS |
5081 | } |
5082 | if (use_json) | |
5083 | json = json_object_new_object(); | |
5084 | ||
d62a17ae | 5085 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5086 | wctx.vty = vty; | |
cd233079 | 5087 | wctx.json = json; |
d62a17ae | 5088 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5089 | |
5090 | if (use_json) { | |
5091 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5092 | json, JSON_C_TO_STRING_PRETTY)); | |
5093 | json_object_free(json); | |
5094 | } | |
cec2e17d | 5095 | } |
5096 | ||
5097 | /* | |
5098 | * Display MACs for all VNIs (VTY command handler). | |
5099 | */ | |
d62a17ae | 5100 | void zebra_vxlan_print_macs_all_vni_vtep(struct vty *vty, |
5101 | struct zebra_vrf *zvrf, | |
9f049418 | 5102 | struct in_addr vtep_ip, bool use_json) |
cec2e17d | 5103 | { |
d62a17ae | 5104 | struct mac_walk_ctx wctx; |
cd233079 | 5105 | json_object *json = NULL; |
cec2e17d | 5106 | |
2853fed6 | 5107 | if (!is_evpn_enabled()) |
d62a17ae | 5108 | return; |
cd233079 CS |
5109 | |
5110 | if (use_json) | |
5111 | json = json_object_new_object(); | |
5112 | ||
d62a17ae | 5113 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5114 | wctx.vty = vty; | |
5115 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5116 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5117 | wctx.json = json; |
d62a17ae | 5118 | hash_iterate(zvrf->vni_table, zvni_print_mac_hash_all_vni, &wctx); |
cd233079 CS |
5119 | |
5120 | if (use_json) { | |
5121 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5122 | json, JSON_C_TO_STRING_PRETTY)); | |
5123 | json_object_free(json); | |
5124 | } | |
cec2e17d | 5125 | } |
5126 | ||
5127 | /* | |
5128 | * Display specific MAC for a VNI, if present (VTY command handler). | |
5129 | */ | |
d62a17ae | 5130 | void zebra_vxlan_print_specific_mac_vni(struct vty *vty, struct zebra_vrf *zvrf, |
5131 | vni_t vni, struct ethaddr *macaddr) | |
cec2e17d | 5132 | { |
d62a17ae | 5133 | zebra_vni_t *zvni; |
5134 | zebra_mac_t *mac; | |
cec2e17d | 5135 | |
2853fed6 | 5136 | if (!is_evpn_enabled()) |
d62a17ae | 5137 | return; |
2853fed6 | 5138 | zvni = zvni_lookup(vni); |
d62a17ae | 5139 | if (!zvni) { |
5140 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5141 | return; | |
5142 | } | |
5143 | mac = zvni_mac_lookup(zvni, macaddr); | |
5144 | if (!mac) { | |
5145 | vty_out(vty, "%% Requested MAC does not exist in VNI %u\n", | |
5146 | vni); | |
5147 | return; | |
5148 | } | |
cec2e17d | 5149 | |
d62a17ae | 5150 | zvni_print_mac(mac, vty); |
cec2e17d | 5151 | } |
5152 | ||
5153 | /* | |
5154 | * Display MACs for a VNI from specific VTEP (VTY command handler). | |
5155 | */ | |
d62a17ae | 5156 | void zebra_vxlan_print_macs_vni_vtep(struct vty *vty, struct zebra_vrf *zvrf, |
cd233079 | 5157 | vni_t vni, struct in_addr vtep_ip, |
9f049418 | 5158 | bool use_json) |
cec2e17d | 5159 | { |
d62a17ae | 5160 | zebra_vni_t *zvni; |
d7c0a89a | 5161 | uint32_t num_macs; |
d62a17ae | 5162 | struct mac_walk_ctx wctx; |
cd233079 CS |
5163 | json_object *json = NULL; |
5164 | json_object *json_mac = NULL; | |
cec2e17d | 5165 | |
2853fed6 | 5166 | if (!is_evpn_enabled()) |
d62a17ae | 5167 | return; |
2853fed6 | 5168 | zvni = zvni_lookup(vni); |
d62a17ae | 5169 | if (!zvni) { |
cd233079 CS |
5170 | if (use_json) |
5171 | vty_out(vty, "{}\n"); | |
5172 | else | |
5173 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
d62a17ae | 5174 | return; |
5175 | } | |
790f8dc5 | 5176 | num_macs = num_valid_macs(zvni); |
d62a17ae | 5177 | if (!num_macs) |
5178 | return; | |
cd233079 CS |
5179 | |
5180 | if (use_json) { | |
5181 | json = json_object_new_object(); | |
5182 | json_mac = json_object_new_object(); | |
5183 | } | |
5184 | ||
d62a17ae | 5185 | memset(&wctx, 0, sizeof(struct mac_walk_ctx)); |
5186 | wctx.zvni = zvni; | |
5187 | wctx.vty = vty; | |
5188 | wctx.flags = SHOW_REMOTE_MAC_FROM_VTEP; | |
5189 | wctx.r_vtep_ip = vtep_ip; | |
cd233079 | 5190 | wctx.json = json_mac; |
d62a17ae | 5191 | hash_iterate(zvni->mac_table, zvni_print_mac_hash, &wctx); |
cd233079 CS |
5192 | |
5193 | if (use_json) { | |
5194 | json_object_int_add(json, "numMacs", wctx.count); | |
5195 | if (wctx.count) | |
5196 | json_object_object_add(json, "macs", json_mac); | |
5197 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5198 | json, JSON_C_TO_STRING_PRETTY)); | |
5199 | json_object_free(json); | |
5200 | } | |
cec2e17d | 5201 | } |
5202 | ||
5203 | ||
5204 | /* | |
5205 | * Display VNI information (VTY command handler). | |
5206 | */ | |
cd233079 | 5207 | void zebra_vxlan_print_vni(struct vty *vty, struct zebra_vrf *zvrf, vni_t vni, |
9f049418 | 5208 | bool use_json) |
cec2e17d | 5209 | { |
cd233079 CS |
5210 | json_object *json = NULL; |
5211 | void *args[2]; | |
1f2129ec | 5212 | zebra_l3vni_t *zl3vni = NULL; |
5213 | zebra_vni_t *zvni = NULL; | |
cec2e17d | 5214 | |
2853fed6 | 5215 | if (!is_evpn_enabled()) |
d62a17ae | 5216 | return; |
4cce389e | 5217 | |
cd233079 CS |
5218 | if (use_json) |
5219 | json = json_object_new_object(); | |
5220 | args[0] = vty; | |
5221 | args[1] = json; | |
4cce389e | 5222 | |
1f2129ec | 5223 | zl3vni = zl3vni_lookup(vni); |
5224 | if (zl3vni) { | |
4cce389e MK |
5225 | zl3vni_print(zl3vni, (void *)args); |
5226 | } else { | |
4cce389e MK |
5227 | zvni = zvni_lookup(vni); |
5228 | if (!zvni) { | |
5229 | if (use_json) | |
5230 | vty_out(vty, "{}\n"); | |
5231 | else | |
5232 | vty_out(vty, "%% VNI %u does not exist\n", vni); | |
5233 | return; | |
5234 | } | |
5235 | ||
5236 | zvni_print(zvni, (void *)args); | |
5237 | } | |
5238 | ||
cd233079 CS |
5239 | if (use_json) { |
5240 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5241 | json, JSON_C_TO_STRING_PRETTY)); | |
5242 | json_object_free(json); | |
5243 | } | |
cec2e17d | 5244 | } |
5245 | ||
4cce389e | 5246 | /* Display all global details for EVPN */ |
088f1098 | 5247 | void zebra_vxlan_print_evpn(struct vty *vty, bool uj) |
cec2e17d | 5248 | { |
4cce389e MK |
5249 | int num_l2vnis = 0; |
5250 | int num_l3vnis = 0; | |
d4454626 | 5251 | int num_vnis = 0; |
cd233079 | 5252 | json_object *json = NULL; |
4cce389e | 5253 | struct zebra_vrf *zvrf = NULL; |
cec2e17d | 5254 | |
2853fed6 | 5255 | if (!is_evpn_enabled()) |
d62a17ae | 5256 | return; |
4cce389e | 5257 | |
4cce389e MK |
5258 | zvrf = vrf_info_lookup(VRF_DEFAULT); |
5259 | if (!zvrf) | |
5260 | return; | |
5261 | ||
89272910 | 5262 | num_l3vnis = hashcount(zrouter.l3vni_table); |
4cce389e | 5263 | num_l2vnis = hashcount(zvrf->vni_table); |
d4454626 | 5264 | num_vnis = num_l2vnis + num_l3vnis; |
4cce389e MK |
5265 | |
5266 | if (uj) { | |
cd233079 | 5267 | json = json_object_new_object(); |
ddd16ed5 MK |
5268 | json_object_string_add(json, "advertiseGatewayMacip", |
5269 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
d4454626 | 5270 | json_object_int_add(json, "numVnis", num_vnis); |
4cce389e MK |
5271 | json_object_int_add(json, "numL2Vnis", num_l2vnis); |
5272 | json_object_int_add(json, "numL3Vnis", num_l3vnis); | |
cd233079 | 5273 | } else { |
4cce389e MK |
5274 | vty_out(vty, "L2 VNIs: %u\n", num_l2vnis); |
5275 | vty_out(vty, "L3 VNIs: %u\n", num_l3vnis); | |
ddd16ed5 MK |
5276 | vty_out(vty, "Advertise gateway mac-ip: %s\n", |
5277 | zvrf->advertise_gw_macip ? "Yes" : "No"); | |
cd233079 | 5278 | } |
4cce389e MK |
5279 | |
5280 | if (uj) { | |
5281 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5282 | json, JSON_C_TO_STRING_PRETTY)); | |
5283 | json_object_free(json); | |
5284 | } | |
5285 | } | |
5286 | ||
5287 | /* | |
5288 | * Display VNI hash table (VTY command handler). | |
5289 | */ | |
5290 | void zebra_vxlan_print_vnis(struct vty *vty, struct zebra_vrf *zvrf, | |
9f049418 | 5291 | bool use_json) |
4cce389e MK |
5292 | { |
5293 | json_object *json = NULL; | |
4cce389e MK |
5294 | void *args[2]; |
5295 | ||
5296 | if (!is_evpn_enabled()) | |
5297 | return; | |
5298 | ||
4cce389e MK |
5299 | if (use_json) |
5300 | json = json_object_new_object(); | |
5301 | else | |
996c9314 LB |
5302 | vty_out(vty, "%-10s %-4s %-21s %-8s %-8s %-15s %-37s\n", "VNI", |
5303 | "Type", "VxLAN IF", "# MACs", "# ARPs", | |
5304 | "# Remote VTEPs", "Tenant VRF"); | |
4cce389e | 5305 | |
cd233079 CS |
5306 | args[0] = vty; |
5307 | args[1] = json; | |
5308 | ||
4cce389e | 5309 | /* Display all L2-VNIs */ |
cd233079 CS |
5310 | hash_iterate(zvrf->vni_table, |
5311 | (void (*)(struct hash_backet *, void *))zvni_print_hash, | |
5312 | args); | |
5313 | ||
4cce389e | 5314 | /* Display all L3-VNIs */ |
89272910 | 5315 | hash_iterate(zrouter.l3vni_table, |
4cce389e MK |
5316 | (void (*)(struct hash_backet *, void *))zl3vni_print_hash, |
5317 | args); | |
5318 | ||
cd233079 CS |
5319 | if (use_json) { |
5320 | vty_out(vty, "%s\n", json_object_to_json_string_ext( | |
5321 | json, JSON_C_TO_STRING_PRETTY)); | |
5322 | json_object_free(json); | |
5323 | } | |
cec2e17d | 5324 | } |
5325 | ||
2232a77c | 5326 | /* |
ee69da27 MK |
5327 | * Handle neighbor delete notification from the kernel (on a VLAN device |
5328 | * / L3 interface). This may result in either the neighbor getting deleted | |
5329 | * from our database or being re-added to the kernel (if it is a valid | |
2232a77c | 5330 | * remote neighbor). |
5331 | */ | |
ee69da27 MK |
5332 | int zebra_vxlan_handle_kernel_neigh_del(struct interface *ifp, |
5333 | struct interface *link_if, | |
5334 | struct ipaddr *ip) | |
d62a17ae | 5335 | { |
d62a17ae | 5336 | char buf[INET6_ADDRSTRLEN]; |
b6938a74 | 5337 | char buf2[ETHER_ADDR_STRLEN]; |
b7cfce93 MK |
5338 | zebra_neigh_t *n = NULL; |
5339 | zebra_vni_t *zvni = NULL; | |
5340 | zebra_mac_t *zmac = NULL; | |
8c9b80b9 | 5341 | zebra_l3vni_t *zl3vni = NULL; |
b7cfce93 | 5342 | |
8c9b80b9 | 5343 | /* check if this is a remote neigh entry corresponding to remote |
523cafc4 | 5344 | * next-hop |
5345 | */ | |
8c9b80b9 MK |
5346 | zl3vni = zl3vni_from_svi(ifp, link_if); |
5347 | if (zl3vni) | |
5348 | return zl3vni_local_nh_del(zl3vni, ip); | |
d62a17ae | 5349 | |
5350 | /* We are only interested in neighbors on an SVI that resides on top | |
5351 | * of a VxLAN bridge. | |
5352 | */ | |
b7cfce93 | 5353 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5354 | if (!zvni) |
5355 | return 0; | |
8c9b80b9 | 5356 | |
d62a17ae | 5357 | if (!zvni->vxlan_if) { |
9df414fe | 5358 | zlog_debug( |
d62a17ae | 5359 | "VNI %u hash %p doesn't have intf upon local neighbor DEL", |
5360 | zvni->vni, zvni); | |
5361 | return -1; | |
5362 | } | |
5363 | ||
5364 | if (IS_ZEBRA_DEBUG_VXLAN) | |
8c9b80b9 | 5365 | zlog_debug("Del neighbor %s intf %s(%u) -> L2-VNI %u", |
996c9314 LB |
5366 | ipaddr2str(ip, buf, sizeof(buf)), ifp->name, |
5367 | ifp->ifindex, zvni->vni); | |
d62a17ae | 5368 | |
5369 | /* If entry doesn't exist, nothing to do. */ | |
5370 | n = zvni_neigh_lookup(zvni, ip); | |
5371 | if (!n) | |
5372 | return 0; | |
5373 | ||
b6938a74 MK |
5374 | zmac = zvni_mac_lookup(zvni, &n->emac); |
5375 | if (!zmac) { | |
5376 | if (IS_ZEBRA_DEBUG_VXLAN) | |
9df414fe | 5377 | zlog_debug( |
2853fed6 | 5378 | "Trying to del a neigh %s without a mac %s on VNI %u", |
5379 | ipaddr2str(ip, buf, sizeof(buf)), | |
b6938a74 MK |
5380 | prefix_mac2str(&n->emac, buf2, sizeof(buf2)), |
5381 | zvni->vni); | |
5382 | ||
5383 | return 0; | |
5384 | } | |
5385 | ||
d62a17ae | 5386 | /* If it is a remote entry, the kernel has aged this out or someone has |
5387 | * deleted it, it needs to be re-installed as Quagga is the owner. | |
5388 | */ | |
5389 | if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) { | |
5390 | zvni_neigh_install(zvni, n); | |
5391 | return 0; | |
5392 | } | |
5393 | ||
d62a17ae | 5394 | /* Remove neighbor from BGP. */ |
b6938a74 | 5395 | if (IS_ZEBRA_NEIGH_ACTIVE(n)) |
996c9314 | 5396 | zvni_neigh_send_del_to_client(zvni->vni, &n->ip, &n->emac, 0); |
d62a17ae | 5397 | |
5398 | /* Delete this neighbor entry. */ | |
5399 | zvni_neigh_del(zvni, n); | |
5400 | ||
b6938a74 MK |
5401 | /* see if the AUTO mac needs to be deleted */ |
5402 | if (CHECK_FLAG(zmac->flags, ZEBRA_MAC_AUTO) | |
f51d8a27 | 5403 | && !listcount(zmac->neigh_list)) |
b6938a74 MK |
5404 | zvni_mac_del(zvni, zmac); |
5405 | ||
d62a17ae | 5406 | return 0; |
2232a77c | 5407 | } |
5408 | ||
5409 | /* | |
ee69da27 MK |
5410 | * Handle neighbor add or update notification from the kernel (on a VLAN |
5411 | * device / L3 interface). This is typically for a local neighbor but can | |
5412 | * also be for a remote neighbor (e.g., ageout notification). It could | |
5413 | * also be a "move" scenario. | |
2232a77c | 5414 | */ |
ee69da27 MK |
5415 | int zebra_vxlan_handle_kernel_neigh_update(struct interface *ifp, |
5416 | struct interface *link_if, | |
5417 | struct ipaddr *ip, | |
5418 | struct ethaddr *macaddr, | |
5419 | uint16_t state, | |
a37f4598 | 5420 | bool is_ext, |
5421 | bool is_router) | |
d62a17ae | 5422 | { |
d62a17ae | 5423 | char buf[ETHER_ADDR_STRLEN]; |
5424 | char buf2[INET6_ADDRSTRLEN]; | |
b7cfce93 | 5425 | zebra_vni_t *zvni = NULL; |
3bcbba10 | 5426 | zebra_l3vni_t *zl3vni = NULL; |
5427 | ||
5428 | /* check if this is a remote neigh entry corresponding to remote | |
5429 | * next-hop | |
5430 | */ | |
5431 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
5432 | if (zl3vni) | |
5433 | return zl3vni_local_nh_add_update(zl3vni, ip, state); | |
b7cfce93 | 5434 | |
d62a17ae | 5435 | /* We are only interested in neighbors on an SVI that resides on top |
5436 | * of a VxLAN bridge. | |
5437 | */ | |
b7cfce93 | 5438 | zvni = zvni_from_svi(ifp, link_if); |
d62a17ae | 5439 | if (!zvni) |
5440 | return 0; | |
5441 | ||
d62a17ae | 5442 | if (IS_ZEBRA_DEBUG_VXLAN) |
5443 | zlog_debug( | |
54c17425 | 5444 | "Add/Update neighbor %s MAC %s intf %s(%u) state 0x%x %s %s-> L2-VNI %u", |
2853fed6 | 5445 | ipaddr2str(ip, buf2, sizeof(buf2)), |
d62a17ae | 5446 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
a37f4598 | 5447 | ifp->ifindex, state, is_ext ? "ext-learned " : "", |
5448 | is_router ? "router " : "", | |
8c9b80b9 | 5449 | zvni->vni); |
d62a17ae | 5450 | |
ee69da27 | 5451 | /* Is this about a local neighbor or a remote one? */ |
a37f4598 | 5452 | if (!is_ext) |
68e33151 | 5453 | return zvni_local_neigh_update(zvni, ifp, ip, macaddr, |
a37f4598 | 5454 | is_router); |
b7cfce93 | 5455 | |
ee69da27 | 5456 | return zvni_remote_neigh_update(zvni, ifp, ip, macaddr, state); |
2232a77c | 5457 | } |
5458 | ||
b682f6de | 5459 | |
2232a77c | 5460 | /* |
5461 | * Handle message from client to delete a remote MACIP for a VNI. | |
5462 | */ | |
89f4e507 | 5463 | void zebra_vxlan_remote_macip_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5464 | { |
5465 | struct stream *s; | |
5466 | vni_t vni; | |
5467 | struct ethaddr macaddr; | |
5468 | struct ipaddr ip; | |
5469 | struct in_addr vtep_ip; | |
9df2b997 | 5470 | uint16_t l = 0, ipa_len; |
d62a17ae | 5471 | char buf[ETHER_ADDR_STRLEN]; |
5472 | char buf1[INET6_ADDRSTRLEN]; | |
5473 | ||
b7cfce93 | 5474 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5475 | memset(&ip, 0, sizeof(struct ipaddr)); |
5476 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5477 | ||
1002497a | 5478 | s = msg; |
d62a17ae | 5479 | |
89f4e507 | 5480 | while (l < hdr->length) { |
d62a17ae | 5481 | /* Obtain each remote MACIP and process. */ |
5482 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5483 | * followed by remote VTEP IP. | |
5484 | */ | |
d62a17ae | 5485 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5486 | STREAM_GETL(s, vni); |
5487 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5488 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5489 | if (ipa_len) { |
5490 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5491 | : IPADDR_V6; | |
ec93aa12 | 5492 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5493 | } |
ff8b7eb8 | 5494 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5495 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5496 | l += IPV4_MAX_BYTELEN; |
5497 | ||
5498 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5499 | zlog_debug( | |
f07e1c99 | 5500 | "Recv MACIP DEL VNI %u MAC %s%s%s Remote VTEP %s from %s", |
5501 | vni, | |
d62a17ae | 5502 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5503 | ipa_len ? " IP " : "", |
5504 | ipa_len ? | |
5505 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
d62a17ae | 5506 | inet_ntoa(vtep_ip), |
5507 | zebra_route_string(client->proto)); | |
5508 | ||
f07e1c99 | 5509 | process_remote_macip_del(vni, &macaddr, ipa_len, &ip, vtep_ip); |
d62a17ae | 5510 | } |
5511 | ||
ec93aa12 | 5512 | stream_failure: |
8068a649 | 5513 | return; |
2232a77c | 5514 | } |
5515 | ||
5516 | /* | |
5517 | * Handle message from client to add a remote MACIP for a VNI. This | |
5518 | * could be just the add of a MAC address or the add of a neighbor | |
5519 | * (IP+MAC). | |
5520 | */ | |
89f4e507 | 5521 | void zebra_vxlan_remote_macip_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 5522 | { |
5523 | struct stream *s; | |
5524 | vni_t vni; | |
5525 | struct ethaddr macaddr; | |
5526 | struct ipaddr ip; | |
5527 | struct in_addr vtep_ip; | |
9df2b997 | 5528 | uint16_t l = 0, ipa_len; |
f07e1c99 | 5529 | uint8_t flags = 0; |
5530 | uint32_t seq; | |
d62a17ae | 5531 | char buf[ETHER_ADDR_STRLEN]; |
5532 | char buf1[INET6_ADDRSTRLEN]; | |
d62a17ae | 5533 | |
b7cfce93 | 5534 | memset(&macaddr, 0, sizeof(struct ethaddr)); |
b7cfce93 MK |
5535 | memset(&ip, 0, sizeof(struct ipaddr)); |
5536 | memset(&vtep_ip, 0, sizeof(struct in_addr)); | |
5537 | ||
ec93aa12 | 5538 | if (!EVPN_ENABLED(zvrf)) { |
9df414fe | 5539 | zlog_debug("EVPN not enabled, ignoring remote MACIP ADD"); |
8068a649 | 5540 | return; |
ec93aa12 | 5541 | } |
d62a17ae | 5542 | |
1002497a | 5543 | s = msg; |
d62a17ae | 5544 | |
89f4e507 | 5545 | while (l < hdr->length) { |
d62a17ae | 5546 | /* Obtain each remote MACIP and process. */ |
5547 | /* Message contains VNI, followed by MAC followed by IP (if any) | |
5548 | * followed by remote VTEP IP. | |
5549 | */ | |
d62a17ae | 5550 | memset(&ip, 0, sizeof(ip)); |
ec93aa12 DS |
5551 | STREAM_GETL(s, vni); |
5552 | STREAM_GET(&macaddr.octet, s, ETH_ALEN); | |
5553 | STREAM_GETL(s, ipa_len); | |
d62a17ae | 5554 | if (ipa_len) { |
5555 | ip.ipa_type = (ipa_len == IPV4_MAX_BYTELEN) ? IPADDR_V4 | |
5556 | : IPADDR_V6; | |
ec93aa12 | 5557 | STREAM_GET(&ip.ip.addr, s, ipa_len); |
d62a17ae | 5558 | } |
ff8b7eb8 | 5559 | l += 4 + ETH_ALEN + 4 + ipa_len; |
ec93aa12 | 5560 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5561 | l += IPV4_MAX_BYTELEN; |
5562 | ||
ead40654 | 5563 | /* Get flags - sticky mac and/or gateway mac */ |
2017b3ea | 5564 | STREAM_GETC(s, flags); |
d62a17ae | 5565 | l++; |
f07e1c99 | 5566 | STREAM_GETL(s, seq); |
5567 | l += 4; | |
d62a17ae | 5568 | |
5569 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5570 | zlog_debug( | |
f07e1c99 | 5571 | "Recv MACIP ADD VNI %u MAC %s%s%s flags 0x%x seq %u VTEP %s from %s", |
5572 | vni, | |
d62a17ae | 5573 | prefix_mac2str(&macaddr, buf, sizeof(buf)), |
f07e1c99 | 5574 | ipa_len ? " IP " : "", |
5575 | ipa_len ? | |
5576 | ipaddr2str(&ip, buf1, sizeof(buf1)) : "", | |
5577 | flags, seq, inet_ntoa(vtep_ip), | |
d62a17ae | 5578 | zebra_route_string(client->proto)); |
5579 | ||
f07e1c99 | 5580 | process_remote_macip_add(vni, &macaddr, ipa_len, &ip, |
5581 | flags, seq, vtep_ip); | |
d62a17ae | 5582 | } |
5583 | ||
ec93aa12 | 5584 | stream_failure: |
8068a649 | 5585 | return; |
13d60d35 | 5586 | } |
5587 | ||
5588 | /* | |
2232a77c | 5589 | * Handle notification of MAC add/update over VxLAN. If the kernel is notifying |
5590 | * us, this must involve a multihoming scenario. Treat this as implicit delete | |
5591 | * of any prior local MAC. | |
13d60d35 | 5592 | */ |
d62a17ae | 5593 | int zebra_vxlan_check_del_local_mac(struct interface *ifp, |
5594 | struct interface *br_if, | |
5595 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5596 | { |
d62a17ae | 5597 | struct zebra_if *zif; |
d62a17ae | 5598 | struct zebra_l2info_vxlan *vxl; |
5599 | vni_t vni; | |
5600 | zebra_vni_t *zvni; | |
5601 | zebra_mac_t *mac; | |
5602 | char buf[ETHER_ADDR_STRLEN]; | |
13d60d35 | 5603 | |
d62a17ae | 5604 | zif = ifp->info; |
5605 | assert(zif); | |
5606 | vxl = &zif->l2info.vxl; | |
5607 | vni = vxl->vni; | |
13d60d35 | 5608 | |
2853fed6 | 5609 | /* Check if EVPN is enabled. */ |
5610 | if (!is_evpn_enabled()) | |
d62a17ae | 5611 | return 0; |
13d60d35 | 5612 | |
d62a17ae | 5613 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5614 | zvni = zvni_lookup(vni); |
d62a17ae | 5615 | if (!zvni) |
5616 | return 0; | |
13d60d35 | 5617 | |
d62a17ae | 5618 | /* If entry doesn't exist, nothing to do. */ |
5619 | mac = zvni_mac_lookup(zvni, macaddr); | |
5620 | if (!mac) | |
5621 | return 0; | |
13d60d35 | 5622 | |
d62a17ae | 5623 | /* Is it a local entry? */ |
5624 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5625 | return 0; | |
13d60d35 | 5626 | |
d62a17ae | 5627 | if (IS_ZEBRA_DEBUG_VXLAN) |
5628 | zlog_debug( | |
2853fed6 | 5629 | "Add/update remote MAC %s intf %s(%u) VNI %u - del local", |
996c9314 LB |
5630 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5631 | ifp->ifindex, vni); | |
13d60d35 | 5632 | |
d62a17ae | 5633 | /* Remove MAC from BGP. */ |
ead40654 | 5634 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); |
13d60d35 | 5635 | |
b6938a74 MK |
5636 | /* |
5637 | * If there are no neigh associated with the mac delete the mac | |
5638 | * else mark it as AUTO for forward reference | |
5639 | */ | |
5640 | if (!listcount(mac->neigh_list)) { | |
5641 | zvni_mac_del(zvni, mac); | |
5642 | } else { | |
5643 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5644 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5645 | } | |
13d60d35 | 5646 | |
d62a17ae | 5647 | return 0; |
13d60d35 | 5648 | } |
5649 | ||
5650 | /* | |
2232a77c | 5651 | * Handle remote MAC delete by kernel; readd the remote MAC if we have it. |
5652 | * This can happen because the remote MAC entries are also added as "dynamic", | |
5653 | * so the kernel can ageout the entry. | |
13d60d35 | 5654 | */ |
d62a17ae | 5655 | int zebra_vxlan_check_readd_remote_mac(struct interface *ifp, |
5656 | struct interface *br_if, | |
5657 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5658 | { |
a9a76262 MK |
5659 | struct zebra_if *zif = NULL; |
5660 | struct zebra_l2info_vxlan *vxl = NULL; | |
d62a17ae | 5661 | vni_t vni; |
a9a76262 MK |
5662 | zebra_vni_t *zvni = NULL; |
5663 | zebra_l3vni_t *zl3vni = NULL; | |
5664 | zebra_mac_t *mac = NULL; | |
d62a17ae | 5665 | char buf[ETHER_ADDR_STRLEN]; |
2232a77c | 5666 | |
d62a17ae | 5667 | zif = ifp->info; |
5668 | assert(zif); | |
5669 | vxl = &zif->l2info.vxl; | |
5670 | vni = vxl->vni; | |
2232a77c | 5671 | |
2853fed6 | 5672 | /* Check if EVPN is enabled. */ |
5673 | if (!is_evpn_enabled()) | |
d62a17ae | 5674 | return 0; |
2232a77c | 5675 | |
a9a76262 MK |
5676 | /* check if this is a remote RMAC and readd simillar to remote macs */ |
5677 | zl3vni = zl3vni_lookup(vni); | |
5678 | if (zl3vni) | |
5679 | return zebra_vxlan_readd_remote_rmac(zl3vni, macaddr); | |
5680 | ||
d62a17ae | 5681 | /* Locate hash entry; it is expected to exist. */ |
2853fed6 | 5682 | zvni = zvni_lookup(vni); |
d62a17ae | 5683 | if (!zvni) |
5684 | return 0; | |
13d60d35 | 5685 | |
d62a17ae | 5686 | /* If entry doesn't exist, nothing to do. */ |
5687 | mac = zvni_mac_lookup(zvni, macaddr); | |
5688 | if (!mac) | |
5689 | return 0; | |
2232a77c | 5690 | |
d62a17ae | 5691 | /* Is it a remote entry? */ |
5692 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5693 | return 0; | |
2232a77c | 5694 | |
d62a17ae | 5695 | if (IS_ZEBRA_DEBUG_VXLAN) |
2853fed6 | 5696 | zlog_debug("Del remote MAC %s intf %s(%u) VNI %u - readd", |
d62a17ae | 5697 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5698 | ifp->ifindex, vni); | |
13d60d35 | 5699 | |
d62a17ae | 5700 | zvni_mac_install(zvni, mac); |
5701 | return 0; | |
13d60d35 | 5702 | } |
5703 | ||
5704 | /* | |
2232a77c | 5705 | * Handle local MAC delete (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5706 | */ |
d62a17ae | 5707 | int zebra_vxlan_local_mac_del(struct interface *ifp, struct interface *br_if, |
5708 | struct ethaddr *macaddr, vlanid_t vid) | |
13d60d35 | 5709 | { |
d62a17ae | 5710 | zebra_vni_t *zvni; |
5711 | zebra_mac_t *mac; | |
d62a17ae | 5712 | char buf[ETHER_ADDR_STRLEN]; |
13d60d35 | 5713 | |
d62a17ae | 5714 | /* We are interested in MACs only on ports or (port, VLAN) that |
5715 | * map to a VNI. | |
5716 | */ | |
5717 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5718 | if (!zvni) | |
5719 | return 0; | |
5720 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5721 | zlog_debug( |
5722 | "VNI %u hash %p doesn't have intf upon local MAC DEL", | |
5723 | zvni->vni, zvni); | |
d62a17ae | 5724 | return -1; |
5725 | } | |
13d60d35 | 5726 | |
d62a17ae | 5727 | if (IS_ZEBRA_DEBUG_VXLAN) |
f07e1c99 | 5728 | zlog_debug("DEL MAC %s intf %s(%u) VID %u -> VNI %u", |
d62a17ae | 5729 | prefix_mac2str(macaddr, buf, sizeof(buf)), ifp->name, |
5730 | ifp->ifindex, vid, zvni->vni); | |
2232a77c | 5731 | |
d62a17ae | 5732 | /* If entry doesn't exist, nothing to do. */ |
5733 | mac = zvni_mac_lookup(zvni, macaddr); | |
5734 | if (!mac) | |
5735 | return 0; | |
2232a77c | 5736 | |
d62a17ae | 5737 | /* Is it a local entry? */ |
5738 | if (!CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) | |
5739 | return 0; | |
2232a77c | 5740 | |
b6938a74 | 5741 | /* Update all the neigh entries associated with this mac */ |
2853fed6 | 5742 | zvni_process_neigh_on_local_mac_del(zvni, mac); |
b6938a74 | 5743 | |
f07e1c99 | 5744 | /* Remove MAC from BGP. */ |
5745 | zvni_mac_send_del_to_client(zvni->vni, macaddr, mac->flags); | |
5746 | ||
b6938a74 MK |
5747 | /* |
5748 | * If there are no neigh associated with the mac delete the mac | |
5749 | * else mark it as AUTO for forward reference | |
5750 | */ | |
5751 | if (!listcount(mac->neigh_list)) { | |
5752 | zvni_mac_del(zvni, mac); | |
5753 | } else { | |
5754 | UNSET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5755 | SET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5756 | } | |
2232a77c | 5757 | |
d62a17ae | 5758 | return 0; |
13d60d35 | 5759 | } |
5760 | ||
5761 | /* | |
2232a77c | 5762 | * Handle local MAC add (on a port or VLAN corresponding to this VNI). |
13d60d35 | 5763 | */ |
d62a17ae | 5764 | int zebra_vxlan_local_mac_add_update(struct interface *ifp, |
5765 | struct interface *br_if, | |
5766 | struct ethaddr *macaddr, vlanid_t vid, | |
a37f4598 | 5767 | bool sticky) |
d62a17ae | 5768 | { |
5769 | zebra_vni_t *zvni; | |
5770 | zebra_mac_t *mac; | |
d62a17ae | 5771 | char buf[ETHER_ADDR_STRLEN]; |
f07e1c99 | 5772 | bool mac_sticky = false; |
5773 | bool inform_client = false; | |
5774 | bool upd_neigh = false; | |
d62a17ae | 5775 | |
5776 | /* We are interested in MACs only on ports or (port, VLAN) that | |
5777 | * map to a VNI. | |
5778 | */ | |
5779 | zvni = zvni_map_vlan(ifp, br_if, vid); | |
5780 | if (!zvni) { | |
5781 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5782 | zlog_debug( | |
2853fed6 | 5783 | "Add/Update %sMAC %s intf %s(%u) VID %u, could not find VNI", |
5784 | sticky ? "sticky " : "", | |
d62a17ae | 5785 | prefix_mac2str(macaddr, buf, sizeof(buf)), |
5786 | ifp->name, ifp->ifindex, vid); | |
5787 | return 0; | |
5788 | } | |
5789 | ||
5790 | if (!zvni->vxlan_if) { | |
9df414fe QY |
5791 | zlog_debug( |
5792 | "VNI %u hash %p doesn't have intf upon local MAC ADD", | |
5793 | zvni->vni, zvni); | |
d62a17ae | 5794 | return -1; |
5795 | } | |
5796 | ||
f07e1c99 | 5797 | /* Check if we need to create or update or it is a NO-OP. */ |
d62a17ae | 5798 | mac = zvni_mac_lookup(zvni, macaddr); |
f07e1c99 | 5799 | if (!mac) { |
5800 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5801 | zlog_debug( | |
5802 | "ADD %sMAC %s intf %s(%u) VID %u -> VNI %u", | |
5803 | sticky ? "sticky " : "", | |
5804 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5805 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
d62a17ae | 5806 | |
f07e1c99 | 5807 | mac = zvni_mac_add(zvni, macaddr); |
5808 | if (!mac) { | |
5809 | flog_err( | |
e914ccbe | 5810 | EC_ZEBRA_MAC_ADD_FAILED, |
f07e1c99 | 5811 | "Failed to add MAC %s intf %s(%u) VID %u VNI %u", |
5812 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5813 | ifp->name, ifp->ifindex, vid, zvni->vni); | |
5814 | return -1; | |
5815 | } | |
5816 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5817 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5818 | mac->fwd_info.local.vid = vid; | |
5819 | if (sticky) | |
5820 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5821 | inform_client = true; | |
5822 | ||
5823 | } else { | |
5824 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5825 | zlog_debug( | |
5826 | "UPD %sMAC %s intf %s(%u) VID %u -> VNI %u curFlags 0x%x", | |
5827 | sticky ? "sticky " : "", | |
5828 | prefix_mac2str(macaddr, buf, sizeof(buf)), | |
5829 | ifp->name, ifp->ifindex, vid, zvni->vni, | |
5830 | mac->flags); | |
5831 | ||
5832 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_LOCAL)) { | |
5833 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) | |
5834 | mac_sticky = true; | |
b6938a74 | 5835 | |
b8ce75a5 | 5836 | /* |
f07e1c99 | 5837 | * Update any changes and if changes are relevant to |
5838 | * BGP, note it. | |
b8ce75a5 | 5839 | */ |
d62a17ae | 5840 | if (mac_sticky == sticky |
5841 | && mac->fwd_info.local.ifindex == ifp->ifindex | |
5842 | && mac->fwd_info.local.vid == vid) { | |
5843 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5844 | zlog_debug( | |
2853fed6 | 5845 | "Add/Update %sMAC %s intf %s(%u) VID %u -> VNI %u, " |
d62a17ae | 5846 | "entry exists and has not changed ", |
d62a17ae | 5847 | sticky ? "sticky " : "", |
5848 | prefix_mac2str(macaddr, buf, | |
5849 | sizeof(buf)), | |
5850 | ifp->name, ifp->ifindex, vid, | |
5851 | zvni->vni); | |
5852 | return 0; | |
b6938a74 | 5853 | } |
f07e1c99 | 5854 | if (mac_sticky != sticky) { |
5855 | if (sticky) | |
5856 | SET_FLAG(mac->flags, | |
5857 | ZEBRA_MAC_STICKY); | |
5858 | else | |
5859 | UNSET_FLAG(mac->flags, | |
5860 | ZEBRA_MAC_STICKY); | |
5861 | inform_client = true; | |
5862 | } | |
5863 | ||
5864 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5865 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5866 | mac->fwd_info.local.vid = vid; | |
5867 | ||
5868 | } else if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE) || | |
5869 | CHECK_FLAG(mac->flags, ZEBRA_MAC_AUTO)) { | |
5870 | ||
421bb26a | 5871 | /* |
f07e1c99 | 5872 | * MAC has either moved or was "internally" created due |
5873 | * to a neighbor learn and is now actually learnt. If | |
5874 | * it was learnt as a remote sticky MAC, this is an | |
5875 | * operator error. | |
421bb26a | 5876 | */ |
8f4b98ee | 5877 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_STICKY)) { |
9df414fe | 5878 | flog_warn( |
e914ccbe | 5879 | EC_ZEBRA_STICKY_MAC_ALREADY_LEARNT, |
9df414fe | 5880 | "MAC %s already learnt as remote sticky MAC behind VTEP %s VNI %u", |
421bb26a MK |
5881 | prefix_mac2str(macaddr, buf, |
5882 | sizeof(buf)), | |
5883 | inet_ntoa(mac->fwd_info.r_vtep_ip), | |
5884 | zvni->vni); | |
8f4b98ee MK |
5885 | return 0; |
5886 | } | |
d62a17ae | 5887 | |
f07e1c99 | 5888 | /* If an actual move, compute MAC's seq number */ |
5889 | if (CHECK_FLAG(mac->flags, ZEBRA_MAC_REMOTE)) | |
5890 | mac->loc_seq = MAX(mac->rem_seq + 1, | |
5891 | mac->loc_seq); | |
5892 | UNSET_FLAG(mac->flags, ZEBRA_MAC_REMOTE); | |
5893 | UNSET_FLAG(mac->flags, ZEBRA_MAC_AUTO); | |
5894 | SET_FLAG(mac->flags, ZEBRA_MAC_LOCAL); | |
5895 | memset(&mac->fwd_info, 0, sizeof(mac->fwd_info)); | |
5896 | mac->fwd_info.local.ifindex = ifp->ifindex; | |
5897 | mac->fwd_info.local.vid = vid; | |
5898 | if (sticky) | |
5899 | SET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5900 | else | |
5901 | UNSET_FLAG(mac->flags, ZEBRA_MAC_STICKY); | |
5902 | /* | |
5903 | * We have to inform BGP of this MAC as well as process | |
5904 | * all neighbors. | |
5905 | */ | |
5906 | inform_client = true; | |
5907 | upd_neigh = true; | |
d62a17ae | 5908 | } |
5909 | } | |
5910 | ||
d62a17ae | 5911 | /* Inform BGP if required. */ |
f07e1c99 | 5912 | if (inform_client) { |
5913 | if (zvni_mac_send_add_to_client(zvni->vni, macaddr, | |
5914 | mac->flags, mac->loc_seq)) | |
5915 | return -1; | |
b6938a74 | 5916 | } |
d62a17ae | 5917 | |
f07e1c99 | 5918 | /* Process all neighbors associated with this MAC, if required. */ |
5919 | if (upd_neigh) | |
5920 | zvni_process_neigh_on_local_mac_change(zvni, mac, 0); | |
5921 | ||
d62a17ae | 5922 | return 0; |
2232a77c | 5923 | } |
13d60d35 | 5924 | |
5925 | /* | |
5926 | * Handle message from client to delete a remote VTEP for a VNI. | |
5927 | */ | |
89f4e507 | 5928 | void zebra_vxlan_remote_vtep_del(ZAPI_HANDLER_ARGS) |
d62a17ae | 5929 | { |
5930 | struct stream *s; | |
d7c0a89a | 5931 | unsigned short l = 0; |
d62a17ae | 5932 | vni_t vni; |
5933 | struct in_addr vtep_ip; | |
5934 | zebra_vni_t *zvni; | |
5935 | zebra_vtep_t *zvtep; | |
b5ebdc9b | 5936 | struct interface *ifp; |
5937 | struct zebra_if *zif; | |
d62a17ae | 5938 | |
ec93aa12 | 5939 | if (!is_evpn_enabled()) { |
9df414fe | 5940 | zlog_debug( |
996c9314 LB |
5941 | "%s: EVPN is not enabled yet we have received a vtep del command", |
5942 | __PRETTY_FUNCTION__); | |
8068a649 | 5943 | return; |
ec93aa12 DS |
5944 | } |
5945 | ||
2853fed6 | 5946 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
5947 | zlog_debug("Recv MACIP DEL for non-default VRF %u", |
5948 | zvrf_id(zvrf)); | |
8068a649 | 5949 | return; |
2853fed6 | 5950 | } |
5951 | ||
1002497a | 5952 | s = msg; |
d62a17ae | 5953 | |
89f4e507 | 5954 | while (l < hdr->length) { |
d62a17ae | 5955 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 5956 | STREAM_GETL(s, vni); |
d62a17ae | 5957 | l += 4; |
ec93aa12 | 5958 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 5959 | l += IPV4_MAX_BYTELEN; |
5960 | ||
5961 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 5962 | zlog_debug("Recv VTEP_DEL %s VNI %u from %s", |
5963 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 5964 | zebra_route_string(client->proto)); |
5965 | ||
5966 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 5967 | zvni = zvni_lookup(vni); |
d62a17ae | 5968 | if (!zvni) { |
5969 | if (IS_ZEBRA_DEBUG_VXLAN) | |
5970 | zlog_debug( | |
5971 | "Failed to locate VNI hash upon remote VTEP DEL, " | |
2853fed6 | 5972 | "VNI %u", |
5973 | vni); | |
d62a17ae | 5974 | continue; |
5975 | } | |
5976 | ||
b5ebdc9b | 5977 | ifp = zvni->vxlan_if; |
5978 | if (!ifp) { | |
9df414fe | 5979 | zlog_debug( |
60466a63 QY |
5980 | "VNI %u hash %p doesn't have intf upon remote VTEP DEL", |
5981 | zvni->vni, zvni); | |
b682f6de | 5982 | continue; |
b5ebdc9b | 5983 | } |
5984 | zif = ifp->info; | |
5985 | ||
5986 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 5987 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
b5ebdc9b | 5988 | continue; |
5989 | ||
d62a17ae | 5990 | /* If the remote VTEP does not exist, there's nothing more to |
5991 | * do. | |
5992 | * Otherwise, uninstall any remote MACs pointing to this VTEP | |
5993 | * and | |
5994 | * then, the VTEP entry itself and remove it. | |
5995 | */ | |
5996 | zvtep = zvni_vtep_find(zvni, &vtep_ip); | |
5997 | if (!zvtep) | |
5998 | continue; | |
5999 | ||
6000 | zvni_neigh_del_from_vtep(zvni, 1, &vtep_ip); | |
6001 | zvni_mac_del_from_vtep(zvni, 1, &vtep_ip); | |
6002 | zvni_vtep_uninstall(zvni, &vtep_ip); | |
6003 | zvni_vtep_del(zvni, zvtep); | |
6004 | } | |
6005 | ||
ec93aa12 | 6006 | stream_failure: |
8068a649 | 6007 | return; |
13d60d35 | 6008 | } |
6009 | ||
6010 | /* | |
6011 | * Handle message from client to add a remote VTEP for a VNI. | |
6012 | */ | |
89f4e507 | 6013 | void zebra_vxlan_remote_vtep_add(ZAPI_HANDLER_ARGS) |
d62a17ae | 6014 | { |
6015 | struct stream *s; | |
d7c0a89a | 6016 | unsigned short l = 0; |
d62a17ae | 6017 | vni_t vni; |
6018 | struct in_addr vtep_ip; | |
6019 | zebra_vni_t *zvni; | |
b5ebdc9b | 6020 | struct interface *ifp; |
6021 | struct zebra_if *zif; | |
d62a17ae | 6022 | |
ec93aa12 | 6023 | if (!is_evpn_enabled()) { |
9df414fe | 6024 | zlog_debug( |
996c9314 LB |
6025 | "%s: EVPN not enabled yet we received a vtep_add zapi call", |
6026 | __PRETTY_FUNCTION__); | |
8068a649 | 6027 | return; |
ec93aa12 DS |
6028 | } |
6029 | ||
2853fed6 | 6030 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
6031 | zlog_debug("Recv MACIP ADD for non-default VRF %u", |
6032 | zvrf_id(zvrf)); | |
8068a649 | 6033 | return; |
2853fed6 | 6034 | } |
d62a17ae | 6035 | |
1002497a | 6036 | s = msg; |
d62a17ae | 6037 | |
89f4e507 | 6038 | while (l < hdr->length) { |
d62a17ae | 6039 | /* Obtain each remote VTEP and process. */ |
ec93aa12 | 6040 | STREAM_GETL(s, vni); |
d62a17ae | 6041 | l += 4; |
ec93aa12 | 6042 | STREAM_GET(&vtep_ip.s_addr, s, IPV4_MAX_BYTELEN); |
d62a17ae | 6043 | l += IPV4_MAX_BYTELEN; |
6044 | ||
6045 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 6046 | zlog_debug("Recv VTEP_ADD %s VNI %u from %s", |
6047 | inet_ntoa(vtep_ip), vni, | |
d62a17ae | 6048 | zebra_route_string(client->proto)); |
6049 | ||
6050 | /* Locate VNI hash entry - expected to exist. */ | |
2853fed6 | 6051 | zvni = zvni_lookup(vni); |
d62a17ae | 6052 | if (!zvni) { |
af4c2728 | 6053 | flog_err( |
e914ccbe | 6054 | EC_ZEBRA_VTEP_ADD_FAILED, |
2853fed6 | 6055 | "Failed to locate VNI hash upon remote VTEP ADD, VNI %u", |
6056 | vni); | |
d62a17ae | 6057 | continue; |
6058 | } | |
b5ebdc9b | 6059 | |
6060 | ifp = zvni->vxlan_if; | |
6061 | if (!ifp) { | |
af4c2728 | 6062 | flog_err( |
e914ccbe | 6063 | EC_ZEBRA_VTEP_ADD_FAILED, |
d62a17ae | 6064 | "VNI %u hash %p doesn't have intf upon remote VTEP ADD", |
6065 | zvni->vni, zvni); | |
6066 | continue; | |
6067 | } | |
6068 | ||
b5ebdc9b | 6069 | zif = ifp->info; |
d62a17ae | 6070 | |
b5ebdc9b | 6071 | /* If down or not mapped to a bridge, we're done. */ |
b682f6de | 6072 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
d62a17ae | 6073 | continue; |
6074 | ||
b682f6de | 6075 | /* If the remote VTEP already exists, |
6076 | there's nothing more to do. */ | |
b5ebdc9b | 6077 | if (zvni_vtep_find(zvni, &vtep_ip)) |
d62a17ae | 6078 | continue; |
6079 | ||
6080 | if (zvni_vtep_add(zvni, &vtep_ip) == NULL) { | |
e914ccbe | 6081 | flog_err(EC_ZEBRA_VTEP_ADD_FAILED, |
1c50c1c0 QY |
6082 | "Failed to add remote VTEP, VNI %u zvni %p", |
6083 | vni, zvni); | |
d62a17ae | 6084 | continue; |
6085 | } | |
6086 | ||
6087 | zvni_vtep_install(zvni, &vtep_ip); | |
6088 | } | |
6089 | ||
ec93aa12 | 6090 | stream_failure: |
8068a649 | 6091 | return; |
13d60d35 | 6092 | } |
6093 | ||
1a98c087 MK |
6094 | /* |
6095 | * Add/Del gateway macip to evpn | |
6096 | * g/w can be: | |
6097 | * 1. SVI interface on a vlan aware bridge | |
6098 | * 2. SVI interface on a vlan unaware bridge | |
6099 | * 3. vrr interface (MACVLAN) associated to a SVI | |
6100 | * We advertise macip routes for an interface if it is associated to VxLan vlan | |
6101 | */ | |
6102 | int zebra_vxlan_add_del_gw_macip(struct interface *ifp, struct prefix *p, | |
6103 | int add) | |
6104 | { | |
6105 | struct ipaddr ip; | |
6106 | struct ethaddr macaddr; | |
6107 | zebra_vni_t *zvni = NULL; | |
1a98c087 MK |
6108 | |
6109 | memset(&ip, 0, sizeof(struct ipaddr)); | |
6110 | memset(&macaddr, 0, sizeof(struct ethaddr)); | |
6111 | ||
2853fed6 | 6112 | /* Check if EVPN is enabled. */ |
6113 | if (!is_evpn_enabled()) | |
297a21b6 MK |
6114 | return 0; |
6115 | ||
1a98c087 MK |
6116 | if (IS_ZEBRA_IF_MACVLAN(ifp)) { |
6117 | struct interface *svi_if = | |
6118 | NULL; /* SVI corresponding to the MACVLAN */ | |
6119 | struct zebra_if *ifp_zif = | |
6120 | NULL; /* Zebra daemon specific info for MACVLAN */ | |
6121 | struct zebra_if *svi_if_zif = | |
6122 | NULL; /* Zebra daemon specific info for SVI*/ | |
6123 | ||
6124 | ifp_zif = ifp->info; | |
6125 | if (!ifp_zif) | |
6126 | return -1; | |
6127 | ||
71349e03 MK |
6128 | /* |
6129 | * for a MACVLAN interface the link represents the svi_if | |
6130 | */ | |
6131 | svi_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT), | |
6132 | ifp_zif->link_ifindex); | |
1a98c087 | 6133 | if (!svi_if) { |
9df414fe QY |
6134 | zlog_debug("MACVLAN %s(%u) without link information", |
6135 | ifp->name, ifp->ifindex); | |
1a98c087 MK |
6136 | return -1; |
6137 | } | |
6138 | ||
6139 | if (IS_ZEBRA_IF_VLAN(svi_if)) { | |
71349e03 MK |
6140 | /* |
6141 | * If it is a vlan aware bridge then the link gives the | |
6142 | * bridge information | |
6143 | */ | |
6144 | struct interface *svi_if_link = NULL; | |
6145 | ||
1a98c087 | 6146 | svi_if_zif = svi_if->info; |
71349e03 MK |
6147 | if (svi_if_zif) { |
6148 | svi_if_link = if_lookup_by_index_per_ns( | |
60466a63 QY |
6149 | zebra_ns_lookup(NS_DEFAULT), |
6150 | svi_if_zif->link_ifindex); | |
b7cfce93 | 6151 | zvni = zvni_from_svi(svi_if, svi_if_link); |
71349e03 | 6152 | } |
1a98c087 | 6153 | } else if (IS_ZEBRA_IF_BRIDGE(svi_if)) { |
71349e03 MK |
6154 | /* |
6155 | * If it is a vlan unaware bridge then svi is the bridge | |
6156 | * itself | |
6157 | */ | |
b7cfce93 | 6158 | zvni = zvni_from_svi(svi_if, svi_if); |
1a98c087 MK |
6159 | } |
6160 | } else if (IS_ZEBRA_IF_VLAN(ifp)) { | |
6161 | struct zebra_if *svi_if_zif = | |
71349e03 MK |
6162 | NULL; /* Zebra daemon specific info for SVI */ |
6163 | struct interface *svi_if_link = | |
6164 | NULL; /* link info for the SVI = bridge info */ | |
1a98c087 MK |
6165 | |
6166 | svi_if_zif = ifp->info; | |
e3bb770c IS |
6167 | if (svi_if_zif) { |
6168 | svi_if_link = if_lookup_by_index_per_ns( | |
cef91a18 QY |
6169 | zebra_ns_lookup(NS_DEFAULT), |
6170 | svi_if_zif->link_ifindex); | |
e3bb770c IS |
6171 | if (svi_if_link) |
6172 | zvni = zvni_from_svi(ifp, svi_if_link); | |
6173 | } | |
1a98c087 | 6174 | } else if (IS_ZEBRA_IF_BRIDGE(ifp)) { |
b7cfce93 | 6175 | zvni = zvni_from_svi(ifp, ifp); |
1a98c087 MK |
6176 | } |
6177 | ||
6178 | if (!zvni) | |
6179 | return 0; | |
6180 | ||
6181 | if (!zvni->vxlan_if) { | |
9df414fe QY |
6182 | zlog_debug("VNI %u hash %p doesn't have intf upon MACVLAN up", |
6183 | zvni->vni, zvni); | |
1a98c087 MK |
6184 | return -1; |
6185 | } | |
6186 | ||
1a98c087 | 6187 | |
1a98c087 MK |
6188 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); |
6189 | ||
6190 | if (p->family == AF_INET) { | |
6191 | ip.ipa_type = IPADDR_V4; | |
6192 | memcpy(&(ip.ipaddr_v4), &(p->u.prefix4), | |
6193 | sizeof(struct in_addr)); | |
6194 | } else if (p->family == AF_INET6) { | |
6195 | ip.ipa_type = IPADDR_V6; | |
6196 | memcpy(&(ip.ipaddr_v6), &(p->u.prefix6), | |
6197 | sizeof(struct in6_addr)); | |
6198 | } | |
6199 | ||
6200 | ||
6201 | if (add) | |
6202 | zvni_gw_macip_add(ifp, zvni, &macaddr, &ip); | |
6203 | else | |
6204 | zvni_gw_macip_del(ifp, zvni, &ip); | |
6205 | ||
6206 | return 0; | |
6207 | } | |
6208 | ||
2232a77c | 6209 | /* |
b7cfce93 MK |
6210 | * Handle SVI interface going down. |
6211 | * SVI can be associated to either L3-VNI or L2-VNI. | |
6212 | * For L2-VNI: At this point, this is a NOP since | |
6213 | * the kernel deletes the neighbor entries on this SVI (if any). | |
6214 | * We only need to update the vrf corresponding to zvni. | |
6215 | * For L3-VNI: L3-VNI is operationally down, update mac-ip routes and delete | |
6216 | * from bgp | |
2232a77c | 6217 | */ |
d62a17ae | 6218 | int zebra_vxlan_svi_down(struct interface *ifp, struct interface *link_if) |
2232a77c | 6219 | { |
b7cfce93 MK |
6220 | zebra_l3vni_t *zl3vni = NULL; |
6221 | ||
6222 | zl3vni = zl3vni_from_svi(ifp, link_if); | |
6223 | if (zl3vni) { | |
6224 | ||
6225 | /* process l3-vni down */ | |
6226 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6227 | ||
6228 | /* remove association with svi-if */ | |
6229 | zl3vni->svi_if = NULL; | |
6230 | } else { | |
6231 | zebra_vni_t *zvni = NULL; | |
6232 | ||
6233 | /* since we dont have svi corresponding to zvni, we associate it | |
6234 | * to default vrf. Note: the corresponding neigh entries on the | |
6235 | * SVI would have already been deleted */ | |
6236 | zvni = zvni_from_svi(ifp, link_if); | |
6237 | if (zvni) { | |
6238 | zvni->vrf_id = VRF_DEFAULT; | |
6239 | ||
6240 | /* update the tenant vrf in BGP */ | |
6241 | zvni_send_add_to_client(zvni); | |
6242 | } | |
6243 | } | |
d62a17ae | 6244 | return 0; |
2232a77c | 6245 | } |
6246 | ||
6247 | /* | |
b7cfce93 MK |
6248 | * Handle SVI interface coming up. |
6249 | * SVI can be associated to L3-VNI (l3vni vxlan interface) or L2-VNI (l2-vni | |
6250 | * vxlan intf). | |
6251 | * For L2-VNI: we need to install any remote neighbors entried (used for | |
6252 | * apr-suppression) | |
6253 | * For L3-VNI: SVI will be used to get the rmac to be used with L3-VNI | |
2232a77c | 6254 | */ |
d62a17ae | 6255 | int zebra_vxlan_svi_up(struct interface *ifp, struct interface *link_if) |
2232a77c | 6256 | { |
b7cfce93 MK |
6257 | zebra_vni_t *zvni = NULL; |
6258 | zebra_l3vni_t *zl3vni = NULL; | |
2232a77c | 6259 | |
b7cfce93 MK |
6260 | zl3vni = zl3vni_from_svi(ifp, link_if); |
6261 | if (zl3vni) { | |
2232a77c | 6262 | |
b7cfce93 MK |
6263 | /* associate with svi */ |
6264 | zl3vni->svi_if = ifp; | |
2232a77c | 6265 | |
b7cfce93 MK |
6266 | /* process oper-up */ |
6267 | if (is_l3vni_oper_up(zl3vni)) | |
6268 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6269 | } else { | |
6270 | ||
6271 | /* process SVI up for l2-vni */ | |
6272 | struct neigh_walk_ctx n_wctx; | |
6273 | ||
6274 | zvni = zvni_from_svi(ifp, link_if); | |
6275 | if (!zvni) | |
6276 | return 0; | |
6277 | ||
6278 | if (!zvni->vxlan_if) { | |
9df414fe | 6279 | zlog_debug( |
43e52561 QY |
6280 | "VNI %u hash %p doesn't have intf upon SVI up", |
6281 | zvni->vni, zvni); | |
b7cfce93 MK |
6282 | return -1; |
6283 | } | |
6284 | ||
6285 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6286 | zlog_debug( |
6287 | "SVI %s(%u) VNI %u VRF %s is UP, installing neighbors", | |
6288 | ifp->name, ifp->ifindex, zvni->vni, | |
6289 | vrf_id_to_name(ifp->vrf_id)); | |
2232a77c | 6290 | |
b7cfce93 MK |
6291 | /* update the vrf information for l2-vni and inform bgp */ |
6292 | zvni->vrf_id = ifp->vrf_id; | |
6293 | zvni_send_add_to_client(zvni); | |
6294 | ||
6295 | /* Install any remote neighbors for this VNI. */ | |
6296 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6297 | n_wctx.zvni = zvni; | |
996c9314 | 6298 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, |
b7cfce93 MK |
6299 | &n_wctx); |
6300 | } | |
2232a77c | 6301 | |
d62a17ae | 6302 | return 0; |
2232a77c | 6303 | } |
6304 | ||
13d60d35 | 6305 | /* |
b7cfce93 | 6306 | * Handle VxLAN interface down |
13d60d35 | 6307 | */ |
d62a17ae | 6308 | int zebra_vxlan_if_down(struct interface *ifp) |
13d60d35 | 6309 | { |
d62a17ae | 6310 | vni_t vni; |
b7cfce93 MK |
6311 | struct zebra_if *zif = NULL; |
6312 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6313 | zebra_l3vni_t *zl3vni = NULL; |
6314 | zebra_vni_t *zvni; | |
13d60d35 | 6315 | |
2853fed6 | 6316 | /* Check if EVPN is enabled. */ |
6317 | if (!is_evpn_enabled()) | |
d62a17ae | 6318 | return 0; |
13d60d35 | 6319 | |
d62a17ae | 6320 | zif = ifp->info; |
6321 | assert(zif); | |
6322 | vxl = &zif->l2info.vxl; | |
6323 | vni = vxl->vni; | |
13d60d35 | 6324 | |
643215ce | 6325 | zl3vni = zl3vni_lookup(vni); |
6326 | if (zl3vni) { | |
b7cfce93 | 6327 | /* process-if-down for l3-vni */ |
b7cfce93 | 6328 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6329 | zlog_debug("Intf %s(%u) L3-VNI %u is DOWN", ifp->name, |
6330 | ifp->ifindex, vni); | |
b7cfce93 | 6331 | |
b7cfce93 | 6332 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
b7cfce93 MK |
6333 | } else { |
6334 | /* process if-down for l2-vni */ | |
b7cfce93 | 6335 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6336 | zlog_debug("Intf %s(%u) L2-VNI %u is DOWN", ifp->name, |
6337 | ifp->ifindex, vni); | |
13d60d35 | 6338 | |
b7cfce93 MK |
6339 | /* Locate hash entry; it is expected to exist. */ |
6340 | zvni = zvni_lookup(vni); | |
6341 | if (!zvni) { | |
9df414fe | 6342 | zlog_debug( |
b7cfce93 MK |
6343 | "Failed to locate VNI hash at DOWN, IF %s(%u) VNI %u", |
6344 | ifp->name, ifp->ifindex, vni); | |
6345 | return -1; | |
6346 | } | |
13d60d35 | 6347 | |
b7cfce93 | 6348 | assert(zvni->vxlan_if == ifp); |
13d60d35 | 6349 | |
b7cfce93 MK |
6350 | /* Delete this VNI from BGP. */ |
6351 | zvni_send_del_to_client(zvni->vni); | |
2232a77c | 6352 | |
b7cfce93 MK |
6353 | /* Free up all neighbors and MACs, if any. */ |
6354 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6355 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
13d60d35 | 6356 | |
b7cfce93 MK |
6357 | /* Free up all remote VTEPs, if any. */ |
6358 | zvni_vtep_del_all(zvni, 1); | |
6359 | } | |
d62a17ae | 6360 | return 0; |
13d60d35 | 6361 | } |
6362 | ||
6363 | /* | |
6364 | * Handle VxLAN interface up - update BGP if required. | |
6365 | */ | |
d62a17ae | 6366 | int zebra_vxlan_if_up(struct interface *ifp) |
13d60d35 | 6367 | { |
d62a17ae | 6368 | vni_t vni; |
b7cfce93 MK |
6369 | struct zebra_if *zif = NULL; |
6370 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6371 | zebra_vni_t *zvni = NULL; |
6372 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6373 | |
2853fed6 | 6374 | /* Check if EVPN is enabled. */ |
6375 | if (!is_evpn_enabled()) | |
d62a17ae | 6376 | return 0; |
13d60d35 | 6377 | |
d62a17ae | 6378 | zif = ifp->info; |
6379 | assert(zif); | |
6380 | vxl = &zif->l2info.vxl; | |
6381 | vni = vxl->vni; | |
13d60d35 | 6382 | |
643215ce | 6383 | zl3vni = zl3vni_lookup(vni); |
6384 | if (zl3vni) { | |
13d60d35 | 6385 | |
b7cfce93 | 6386 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6387 | zlog_debug("Intf %s(%u) L3-VNI %u is UP", ifp->name, |
6388 | ifp->ifindex, vni); | |
13d60d35 | 6389 | |
b7cfce93 | 6390 | /* we need to associate with SVI, if any, we can associate with |
523cafc4 | 6391 | * svi-if only after association with vxlan-intf is complete |
6392 | */ | |
b7cfce93 MK |
6393 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6394 | ||
6395 | if (is_l3vni_oper_up(zl3vni)) | |
6396 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6397 | } else { | |
6398 | /* Handle L2-VNI add */ | |
b7cfce93 MK |
6399 | struct interface *vlan_if = NULL; |
6400 | ||
6401 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6402 | zlog_debug("Intf %s(%u) L2-VNI %u is UP", ifp->name, |
6403 | ifp->ifindex, vni); | |
b7cfce93 MK |
6404 | |
6405 | /* Locate hash entry; it is expected to exist. */ | |
6406 | zvni = zvni_lookup(vni); | |
6407 | if (!zvni) { | |
9df414fe | 6408 | zlog_debug( |
b7cfce93 MK |
6409 | "Failed to locate VNI hash at UP, IF %s(%u) VNI %u", |
6410 | ifp->name, ifp->ifindex, vni); | |
6411 | return -1; | |
6412 | } | |
6413 | ||
6414 | assert(zvni->vxlan_if == ifp); | |
6415 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6416 | zif->brslave_info.br_if); | |
6417 | if (vlan_if) { | |
6418 | zvni->vrf_id = vlan_if->vrf_id; | |
6419 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6420 | if (zl3vni) | |
6421 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6422 | } | |
6423 | ||
6424 | /* If part of a bridge, inform BGP about this VNI. */ | |
6425 | /* Also, read and populate local MACs and neighbors. */ | |
6426 | if (zif->brslave_info.br_if) { | |
6427 | zvni_send_add_to_client(zvni); | |
6428 | zvni_read_mac_neigh(zvni, ifp); | |
6429 | } | |
d62a17ae | 6430 | } |
13d60d35 | 6431 | |
d62a17ae | 6432 | return 0; |
13d60d35 | 6433 | } |
6434 | ||
6435 | /* | |
6436 | * Handle VxLAN interface delete. Locate and remove entry in hash table | |
6437 | * and update BGP, if required. | |
6438 | */ | |
d62a17ae | 6439 | int zebra_vxlan_if_del(struct interface *ifp) |
13d60d35 | 6440 | { |
d62a17ae | 6441 | vni_t vni; |
b7cfce93 MK |
6442 | struct zebra_if *zif = NULL; |
6443 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6444 | zebra_vni_t *zvni = NULL; |
6445 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6446 | |
2853fed6 | 6447 | /* Check if EVPN is enabled. */ |
6448 | if (!is_evpn_enabled()) | |
d62a17ae | 6449 | return 0; |
13d60d35 | 6450 | |
d62a17ae | 6451 | zif = ifp->info; |
6452 | assert(zif); | |
6453 | vxl = &zif->l2info.vxl; | |
6454 | vni = vxl->vni; | |
13d60d35 | 6455 | |
643215ce | 6456 | zl3vni = zl3vni_lookup(vni); |
6457 | if (zl3vni) { | |
b7cfce93 MK |
6458 | |
6459 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6460 | zlog_debug("Del L3-VNI %u intf %s(%u)", vni, ifp->name, |
6461 | ifp->ifindex); | |
13d60d35 | 6462 | |
b7cfce93 MK |
6463 | /* process oper-down for l3-vni */ |
6464 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
2232a77c | 6465 | |
b7cfce93 | 6466 | /* remove the association with vxlan_if */ |
b67a60d2 | 6467 | memset(&zl3vni->local_vtep_ip, 0, sizeof(struct in_addr)); |
b7cfce93 MK |
6468 | zl3vni->vxlan_if = NULL; |
6469 | } else { | |
13d60d35 | 6470 | |
b7cfce93 | 6471 | /* process if-del for l2-vni*/ |
b7cfce93 | 6472 | if (IS_ZEBRA_DEBUG_VXLAN) |
996c9314 LB |
6473 | zlog_debug("Del L2-VNI %u intf %s(%u)", vni, ifp->name, |
6474 | ifp->ifindex); | |
b7cfce93 MK |
6475 | |
6476 | /* Locate hash entry; it is expected to exist. */ | |
6477 | zvni = zvni_lookup(vni); | |
6478 | if (!zvni) { | |
9df414fe | 6479 | zlog_debug( |
b7cfce93 MK |
6480 | "Failed to locate VNI hash at del, IF %s(%u) VNI %u", |
6481 | ifp->name, ifp->ifindex, vni); | |
6482 | return 0; | |
6483 | } | |
6484 | ||
6485 | /* remove from l3-vni list */ | |
6486 | zl3vni = zl3vni_from_vrf(zvni->vrf_id); | |
6487 | if (zl3vni) | |
6488 | listnode_delete(zl3vni->l2vnis, zvni); | |
6489 | ||
6490 | /* Delete VNI from BGP. */ | |
6491 | zvni_send_del_to_client(zvni->vni); | |
6492 | ||
6493 | /* Free up all neighbors and MAC, if any. */ | |
6494 | zvni_neigh_del_all(zvni, 0, 0, DEL_ALL_NEIGH); | |
6495 | zvni_mac_del_all(zvni, 0, 0, DEL_ALL_MAC); | |
6496 | ||
6497 | /* Free up all remote VTEPs, if any. */ | |
6498 | zvni_vtep_del_all(zvni, 0); | |
6499 | ||
6500 | /* Delete the hash entry. */ | |
6501 | if (zvni_del(zvni)) { | |
e914ccbe | 6502 | flog_err(EC_ZEBRA_VNI_DEL_FAILED, |
1c50c1c0 QY |
6503 | "Failed to del VNI hash %p, IF %s(%u) VNI %u", |
6504 | zvni, ifp->name, ifp->ifindex, zvni->vni); | |
b7cfce93 MK |
6505 | return -1; |
6506 | } | |
d62a17ae | 6507 | } |
d62a17ae | 6508 | return 0; |
13d60d35 | 6509 | } |
6510 | ||
6511 | /* | |
6512 | * Handle VxLAN interface update - change to tunnel IP, master or VLAN. | |
6513 | */ | |
d7c0a89a | 6514 | int zebra_vxlan_if_update(struct interface *ifp, uint16_t chgflags) |
d62a17ae | 6515 | { |
d62a17ae | 6516 | vni_t vni; |
b7cfce93 MK |
6517 | struct zebra_if *zif = NULL; |
6518 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6519 | zebra_vni_t *zvni = NULL; |
6520 | zebra_l3vni_t *zl3vni = NULL; | |
d62a17ae | 6521 | |
2853fed6 | 6522 | /* Check if EVPN is enabled. */ |
6523 | if (!is_evpn_enabled()) | |
d62a17ae | 6524 | return 0; |
6525 | ||
6526 | zif = ifp->info; | |
6527 | assert(zif); | |
6528 | vxl = &zif->l2info.vxl; | |
6529 | vni = vxl->vni; | |
6530 | ||
643215ce | 6531 | zl3vni = zl3vni_lookup(vni); |
6532 | if (zl3vni) { | |
af026ae4 | 6533 | |
b7cfce93 MK |
6534 | if (IS_ZEBRA_DEBUG_VXLAN) |
6535 | zlog_debug( | |
6536 | "Update L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6537 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6538 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6539 | zif->brslave_info.bridge_ifindex, chgflags); |
6540 | ||
6541 | /* Removed from bridge? Cleanup and return */ | |
6542 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6543 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6544 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6545 | return 0; | |
6546 | } | |
6547 | ||
6548 | /* access-vlan change - process oper down, associate with new | |
523cafc4 | 6549 | * svi_if and then process oper up again |
6550 | */ | |
b7cfce93 MK |
6551 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { |
6552 | if (if_is_operative(ifp)) { | |
6553 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6554 | zl3vni->svi_if = NULL; | |
6555 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
bca63dc8 | 6556 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6557 | if (is_l3vni_oper_up(zl3vni)) |
6558 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6559 | zl3vni); |
b7cfce93 MK |
6560 | } |
6561 | } | |
d62a17ae | 6562 | |
12eeac84 MK |
6563 | /* |
6564 | * local-ip change - process oper down, associate with new | |
6565 | * local-ip and then process oper up again | |
6566 | */ | |
6567 | if (chgflags & ZEBRA_VXLIF_LOCAL_IP_CHANGE) { | |
6568 | if (if_is_operative(ifp)) { | |
6569 | zebra_vxlan_process_l3vni_oper_down(zl3vni); | |
6570 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6571 | if (is_l3vni_oper_up(zl3vni)) | |
6572 | zebra_vxlan_process_l3vni_oper_up( | |
996c9314 | 6573 | zl3vni); |
12eeac84 MK |
6574 | } |
6575 | } | |
6576 | ||
bca63dc8 MK |
6577 | /* Update local tunnel IP. */ |
6578 | zl3vni->local_vtep_ip = vxl->vtep_ip; | |
6579 | ||
12eeac84 MK |
6580 | /* if we have a valid new master, process l3-vni oper up */ |
6581 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) { | |
6582 | if (if_is_operative(ifp) && is_l3vni_oper_up(zl3vni)) | |
b7cfce93 MK |
6583 | zebra_vxlan_process_l3vni_oper_up(zl3vni); |
6584 | } | |
6585 | } else { | |
d62a17ae | 6586 | |
b7cfce93 MK |
6587 | /* Update VNI hash. */ |
6588 | zvni = zvni_lookup(vni); | |
6589 | if (!zvni) { | |
9df414fe | 6590 | zlog_debug( |
b7cfce93 MK |
6591 | "Failed to find L2-VNI hash on update, IF %s(%u) VNI %u", |
6592 | ifp->name, ifp->ifindex, vni); | |
6593 | return -1; | |
6594 | } | |
d62a17ae | 6595 | |
b7cfce93 MK |
6596 | if (IS_ZEBRA_DEBUG_VXLAN) |
6597 | zlog_debug( | |
6598 | "Update L2-VNI %u intf %s(%u) VLAN %u local IP %s master %u chg 0x%x", | |
996c9314 LB |
6599 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6600 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6601 | zif->brslave_info.bridge_ifindex, chgflags); |
6602 | ||
6603 | /* Removed from bridge? Cleanup and return */ | |
6604 | if ((chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6605 | && (zif->brslave_info.bridge_ifindex == IFINDEX_INTERNAL)) { | |
6606 | /* Delete from client, remove all remote VTEPs */ | |
6607 | /* Also, free up all MACs and neighbors. */ | |
6608 | zvni_send_del_to_client(zvni->vni); | |
6609 | zvni_neigh_del_all(zvni, 1, 0, DEL_ALL_NEIGH); | |
6610 | zvni_mac_del_all(zvni, 1, 0, DEL_ALL_MAC); | |
6611 | zvni_vtep_del_all(zvni, 1); | |
6612 | return 0; | |
6613 | } | |
d62a17ae | 6614 | |
b7cfce93 MK |
6615 | /* Handle other changes. */ |
6616 | if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6617 | /* Remove all existing local neigh and MACs for this VNI | |
6618 | * (including from BGP) | |
6619 | */ | |
6620 | zvni_neigh_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6621 | zvni_mac_del_all(zvni, 0, 1, DEL_LOCAL_MAC); | |
6622 | } | |
d62a17ae | 6623 | |
b7cfce93 MK |
6624 | zvni->local_vtep_ip = vxl->vtep_ip; |
6625 | zvni->vxlan_if = ifp; | |
d62a17ae | 6626 | |
b7cfce93 MK |
6627 | /* Take further actions needed. |
6628 | * Note that if we are here, there is a change of interest. | |
6629 | */ | |
6630 | /* If down or not mapped to a bridge, we're done. */ | |
6631 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6632 | return 0; | |
d62a17ae | 6633 | |
b7cfce93 MK |
6634 | /* Inform BGP, if there is a change of interest. */ |
6635 | if (chgflags | |
6636 | & (ZEBRA_VXLIF_MASTER_CHANGE | ZEBRA_VXLIF_LOCAL_IP_CHANGE)) | |
6637 | zvni_send_add_to_client(zvni); | |
6638 | ||
6639 | /* If there is a valid new master or a VLAN mapping change, | |
6640 | * read and populate local MACs and neighbors. | |
6641 | * Also, reinstall any remote MACs and neighbors | |
6642 | * for this VNI (based on new VLAN). | |
6643 | */ | |
6644 | if (chgflags & ZEBRA_VXLIF_MASTER_CHANGE) | |
6645 | zvni_read_mac_neigh(zvni, ifp); | |
6646 | else if (chgflags & ZEBRA_VXLIF_VLAN_CHANGE) { | |
6647 | struct mac_walk_ctx m_wctx; | |
6648 | struct neigh_walk_ctx n_wctx; | |
6649 | ||
6650 | zvni_read_mac_neigh(zvni, ifp); | |
6651 | ||
6652 | memset(&m_wctx, 0, sizeof(struct mac_walk_ctx)); | |
6653 | m_wctx.zvni = zvni; | |
996c9314 | 6654 | hash_iterate(zvni->mac_table, zvni_install_mac_hash, |
b7cfce93 MK |
6655 | &m_wctx); |
6656 | ||
6657 | memset(&n_wctx, 0, sizeof(struct neigh_walk_ctx)); | |
6658 | n_wctx.zvni = zvni; | |
6659 | hash_iterate(zvni->neigh_table, zvni_install_neigh_hash, | |
6660 | &n_wctx); | |
6661 | } | |
d62a17ae | 6662 | } |
6663 | ||
6664 | return 0; | |
13d60d35 | 6665 | } |
6666 | ||
6667 | /* | |
6668 | * Handle VxLAN interface add. | |
6669 | */ | |
d62a17ae | 6670 | int zebra_vxlan_if_add(struct interface *ifp) |
13d60d35 | 6671 | { |
d62a17ae | 6672 | vni_t vni; |
b7cfce93 MK |
6673 | struct zebra_if *zif = NULL; |
6674 | struct zebra_l2info_vxlan *vxl = NULL; | |
643215ce | 6675 | zebra_vni_t *zvni = NULL; |
6676 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6677 | |
2853fed6 | 6678 | /* Check if EVPN is enabled. */ |
6679 | if (!is_evpn_enabled()) | |
d62a17ae | 6680 | return 0; |
13d60d35 | 6681 | |
d62a17ae | 6682 | zif = ifp->info; |
6683 | assert(zif); | |
6684 | vxl = &zif->l2info.vxl; | |
6685 | vni = vxl->vni; | |
13d60d35 | 6686 | |
643215ce | 6687 | zl3vni = zl3vni_lookup(vni); |
6688 | if (zl3vni) { | |
13d60d35 | 6689 | |
b7cfce93 | 6690 | /* process if-add for l3-vni*/ |
b7cfce93 MK |
6691 | if (IS_ZEBRA_DEBUG_VXLAN) |
6692 | zlog_debug( | |
6693 | "Add L3-VNI %u intf %s(%u) VLAN %u local IP %s master %u", | |
996c9314 LB |
6694 | vni, ifp->name, ifp->ifindex, vxl->access_vlan, |
6695 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6696 | zif->brslave_info.bridge_ifindex); |
6697 | ||
b7cfce93 | 6698 | /* associate with vxlan_if */ |
b67a60d2 | 6699 | zl3vni->local_vtep_ip = vxl->vtep_ip; |
b7cfce93 MK |
6700 | zl3vni->vxlan_if = ifp; |
6701 | ||
6702 | /* Associate with SVI, if any. We can associate with svi-if only | |
6703 | * after association with vxlan_if is complete */ | |
6704 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); | |
6705 | ||
6706 | if (is_l3vni_oper_up(zl3vni)) | |
6707 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6708 | } else { | |
6709 | ||
6710 | /* process if-add for l2-vni */ | |
b7cfce93 MK |
6711 | struct interface *vlan_if = NULL; |
6712 | ||
6713 | /* Create or update VNI hash. */ | |
6714 | zvni = zvni_lookup(vni); | |
6715 | if (!zvni) { | |
6716 | zvni = zvni_add(vni); | |
6717 | if (!zvni) { | |
af4c2728 | 6718 | flog_err( |
e914ccbe | 6719 | EC_ZEBRA_VNI_ADD_FAILED, |
b7cfce93 MK |
6720 | "Failed to add VNI hash, IF %s(%u) VNI %u", |
6721 | ifp->name, ifp->ifindex, vni); | |
6722 | return -1; | |
6723 | } | |
6724 | } | |
6725 | ||
6726 | zvni->local_vtep_ip = vxl->vtep_ip; | |
6727 | zvni->vxlan_if = ifp; | |
6728 | vlan_if = zvni_map_to_svi(vxl->access_vlan, | |
6729 | zif->brslave_info.br_if); | |
6730 | if (vlan_if) { | |
6731 | zvni->vrf_id = vlan_if->vrf_id; | |
6732 | zl3vni = zl3vni_from_vrf(vlan_if->vrf_id); | |
6733 | if (zl3vni) | |
6734 | listnode_add_sort(zl3vni->l2vnis, zvni); | |
6735 | } | |
6736 | ||
6737 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6738 | zlog_debug( | |
6739 | "Add L2-VNI %u VRF %s intf %s(%u) VLAN %u local IP %s master %u", | |
6740 | vni, | |
996c9314 LB |
6741 | vlan_if ? vrf_id_to_name(vlan_if->vrf_id) |
6742 | : "Default", | |
6743 | ifp->name, ifp->ifindex, vxl->access_vlan, | |
6744 | inet_ntoa(vxl->vtep_ip), | |
b7cfce93 MK |
6745 | zif->brslave_info.bridge_ifindex); |
6746 | ||
6747 | /* If down or not mapped to a bridge, we're done. */ | |
6748 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
6749 | return 0; | |
6750 | ||
6751 | /* Inform BGP */ | |
6752 | zvni_send_add_to_client(zvni); | |
6753 | ||
6754 | /* Read and populate local MACs and neighbors */ | |
6755 | zvni_read_mac_neigh(zvni, ifp); | |
6756 | } | |
6757 | ||
6758 | return 0; | |
6759 | } | |
6760 | ||
996c9314 LB |
6761 | int zebra_vxlan_process_vrf_vni_cmd(struct zebra_vrf *zvrf, vni_t vni, |
6762 | char *err, int err_str_sz, int filter, | |
6763 | int add) | |
b7cfce93 MK |
6764 | { |
6765 | zebra_l3vni_t *zl3vni = NULL; | |
6766 | struct zebra_vrf *zvrf_default = NULL; | |
6767 | ||
6768 | zvrf_default = zebra_vrf_lookup_by_id(VRF_DEFAULT); | |
6769 | if (!zvrf_default) | |
6770 | return -1; | |
6771 | ||
6772 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 | 6773 | zlog_debug("vrf %s vni %u %s", zvrf_name(zvrf), vni, |
b7cfce93 MK |
6774 | add ? "ADD" : "DEL"); |
6775 | ||
6776 | if (add) { | |
6777 | ||
6778 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
6779 | ||
6780 | /* check if the vni is already present under zvrf */ | |
6781 | if (zvrf->l3vni) { | |
3f02fbab | 6782 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6783 | "VNI is already configured under the vrf"); |
6784 | return -1; | |
6785 | } | |
6786 | ||
6787 | /* check if this VNI is already present in the system */ | |
6788 | zl3vni = zl3vni_lookup(vni); | |
6789 | if (zl3vni) { | |
3f02fbab | 6790 | snprintf(err, err_str_sz, |
b7cfce93 MK |
6791 | "VNI is already configured as L3-VNI"); |
6792 | return -1; | |
6793 | } | |
6794 | ||
6795 | /* add the L3-VNI to the global table */ | |
6796 | zl3vni = zl3vni_add(vni, zvrf_id(zvrf)); | |
6797 | if (!zl3vni) { | |
996c9314 | 6798 | snprintf(err, err_str_sz, "Could not add L3-VNI"); |
b7cfce93 MK |
6799 | return -1; |
6800 | } | |
6801 | ||
6802 | /* associate the vrf with vni */ | |
6803 | zvrf->l3vni = vni; | |
6804 | ||
c48d9f5f MK |
6805 | /* set the filter in l3vni to denote if we are using l3vni only |
6806 | * for prefix routes | |
6807 | */ | |
6808 | if (filter) | |
6809 | SET_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY); | |
6810 | ||
b7cfce93 | 6811 | /* associate with vxlan-intf; |
523cafc4 | 6812 | * we need to associate with the vxlan-intf first |
6813 | */ | |
b7cfce93 MK |
6814 | zl3vni->vxlan_if = zl3vni_map_to_vxlan_if(zl3vni); |
6815 | ||
6816 | /* associate with corresponding SVI interface, we can associate | |
6817 | * with svi-if only after vxlan interface association is | |
523cafc4 | 6818 | * complete |
6819 | */ | |
b7cfce93 MK |
6820 | zl3vni->svi_if = zl3vni_map_to_svi_if(zl3vni); |
6821 | ||
6822 | /* formulate l2vni list */ | |
996c9314 LB |
6823 | hash_iterate(zvrf_default->vni_table, zvni_add_to_l3vni_list, |
6824 | zl3vni); | |
b7cfce93 MK |
6825 | |
6826 | if (is_l3vni_oper_up(zl3vni)) | |
6827 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6828 | ||
6829 | } else { | |
6830 | zl3vni = zl3vni_lookup(vni); | |
6831 | if (!zl3vni) { | |
3f02fbab | 6832 | snprintf(err, err_str_sz, "VNI doesn't exist"); |
d62a17ae | 6833 | return -1; |
6834 | } | |
b7cfce93 | 6835 | |
cf299714 MK |
6836 | if (filter && !CHECK_FLAG(zl3vni->filter, PREFIX_ROUTES_ONLY)) { |
6837 | snprintf(err, ERR_STR_SZ, | |
6838 | "prefix-routes-only is not set for the vni"); | |
6839 | return -1; | |
6840 | } | |
6841 | ||
b7cfce93 MK |
6842 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
6843 | ||
5e06422c | 6844 | /* delete and uninstall all rmacs */ |
996c9314 | 6845 | hash_iterate(zl3vni->rmac_table, zl3vni_del_rmac_hash_entry, |
5e06422c MK |
6846 | zl3vni); |
6847 | ||
6848 | /* delete and uninstall all next-hops */ | |
996c9314 | 6849 | hash_iterate(zl3vni->nh_table, zl3vni_del_nh_hash_entry, |
5e06422c MK |
6850 | zl3vni); |
6851 | ||
b7cfce93 MK |
6852 | zvrf->l3vni = 0; |
6853 | zl3vni_del(zl3vni); | |
6854 | ||
6855 | zebra_vxlan_handle_vni_transition(zvrf, vni, add); | |
d62a17ae | 6856 | } |
b7cfce93 MK |
6857 | return 0; |
6858 | } | |
13d60d35 | 6859 | |
84915b0a | 6860 | int zebra_vxlan_vrf_enable(struct zebra_vrf *zvrf) |
6861 | { | |
6862 | zebra_l3vni_t *zl3vni = NULL; | |
6863 | ||
6864 | if (zvrf->l3vni) | |
6865 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6866 | if (!zl3vni) | |
6867 | return 0; | |
6868 | ||
6869 | zl3vni->vrf_id = zvrf_id(zvrf); | |
6870 | if (is_l3vni_oper_up(zl3vni)) | |
6871 | zebra_vxlan_process_l3vni_oper_up(zl3vni); | |
6872 | return 0; | |
6873 | } | |
6874 | ||
6875 | int zebra_vxlan_vrf_disable(struct zebra_vrf *zvrf) | |
b7cfce93 MK |
6876 | { |
6877 | zebra_l3vni_t *zl3vni = NULL; | |
13d60d35 | 6878 | |
84915b0a | 6879 | if (zvrf->l3vni) |
6880 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
b7cfce93 | 6881 | if (!zl3vni) |
d62a17ae | 6882 | return 0; |
13d60d35 | 6883 | |
84915b0a | 6884 | zl3vni->vrf_id = VRF_UNKNOWN; |
b7cfce93 | 6885 | zebra_vxlan_process_l3vni_oper_down(zl3vni); |
84915b0a | 6886 | return 0; |
6887 | } | |
6888 | ||
6889 | int zebra_vxlan_vrf_delete(struct zebra_vrf *zvrf) | |
6890 | { | |
6891 | zebra_l3vni_t *zl3vni = NULL; | |
6892 | vni_t vni; | |
6893 | ||
6894 | if (zvrf->l3vni) | |
6895 | zl3vni = zl3vni_lookup(zvrf->l3vni); | |
6896 | if (!zl3vni) | |
6897 | return 0; | |
6898 | ||
6899 | vni = zl3vni->vni; | |
b7cfce93 | 6900 | zl3vni_del(zl3vni); |
84915b0a | 6901 | zebra_vxlan_handle_vni_transition(zvrf, vni, 0); |
2232a77c | 6902 | |
d62a17ae | 6903 | return 0; |
13d60d35 | 6904 | } |
6905 | ||
fbac9605 DS |
6906 | /* |
6907 | * Handle message from client to specify the flooding mechanism for | |
6908 | * BUM packets. The default is to do head-end (ingress) replication | |
6909 | * and the other supported option is to disable it. This applies to | |
6910 | * all BUM traffic and disabling it applies to both the transmit and | |
6911 | * receive direction. | |
6912 | */ | |
6913 | void zebra_vxlan_flood_control(ZAPI_HANDLER_ARGS) | |
6914 | { | |
6915 | struct stream *s; | |
6916 | enum vxlan_flood_control flood_ctrl; | |
6917 | ||
6918 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
6919 | zlog_err("EVPN flood control for non-default VRF %u", | |
6920 | zvrf_id(zvrf)); | |
6921 | return; | |
6922 | } | |
6923 | ||
6924 | s = msg; | |
6925 | STREAM_GETC(s, flood_ctrl); | |
6926 | ||
6927 | if (IS_ZEBRA_DEBUG_VXLAN) | |
6928 | zlog_debug("EVPN flood control %u, currently %u", | |
6929 | flood_ctrl, zvrf->vxlan_flood_ctrl); | |
6930 | ||
6931 | if (zvrf->vxlan_flood_ctrl == flood_ctrl) | |
6932 | return; | |
6933 | ||
6934 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
6935 | ||
6936 | /* Install or uninstall flood entries corresponding to | |
6937 | * remote VTEPs. | |
6938 | */ | |
6939 | hash_iterate(zvrf->vni_table, zvni_handle_flooding_remote_vteps, | |
6940 | zvrf); | |
6941 | ||
6942 | stream_failure: | |
6943 | return; | |
6944 | } | |
6945 | ||
31310b25 MK |
6946 | /* |
6947 | * Handle message from client to enable/disable advertisement of g/w macip | |
6948 | * routes | |
6949 | */ | |
89f4e507 | 6950 | void zebra_vxlan_advertise_subnet(ZAPI_HANDLER_ARGS) |
31310b25 MK |
6951 | { |
6952 | struct stream *s; | |
6953 | int advertise; | |
6954 | vni_t vni = 0; | |
6955 | zebra_vni_t *zvni = NULL; | |
6956 | struct interface *ifp = NULL; | |
6957 | struct zebra_if *zif = NULL; | |
6958 | struct zebra_l2info_vxlan zl2_info; | |
6959 | struct interface *vlan_if = NULL; | |
6960 | ||
6961 | if (zvrf_id(zvrf) != VRF_DEFAULT) { | |
9df414fe QY |
6962 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
6963 | zvrf_id(zvrf)); | |
8068a649 | 6964 | return; |
31310b25 MK |
6965 | } |
6966 | ||
1002497a | 6967 | s = msg; |
2017b3ea | 6968 | STREAM_GETC(s, advertise); |
31310b25 MK |
6969 | vni = stream_get3(s); |
6970 | ||
6971 | zvni = zvni_lookup(vni); | |
6972 | if (!zvni) | |
8068a649 | 6973 | return; |
31310b25 MK |
6974 | |
6975 | if (zvni->advertise_subnet == advertise) | |
8068a649 | 6976 | return; |
31310b25 MK |
6977 | |
6978 | if (IS_ZEBRA_DEBUG_VXLAN) | |
996c9314 LB |
6979 | zlog_debug("EVPN subnet Adv %s on VNI %d , currently %s", |
6980 | advertise ? "enabled" : "disabled", vni, | |
6981 | zvni->advertise_subnet ? "enabled" : "disabled"); | |
31310b25 MK |
6982 | |
6983 | ||
6984 | zvni->advertise_subnet = advertise; | |
6985 | ||
6986 | ifp = zvni->vxlan_if; | |
6987 | if (!ifp) | |
8068a649 | 6988 | return; |
31310b25 MK |
6989 | |
6990 | zif = ifp->info; | |
6991 | ||
6992 | /* If down or not mapped to a bridge, we're done. */ | |
6993 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) | |
8068a649 | 6994 | return; |
31310b25 MK |
6995 | |
6996 | zl2_info = zif->l2info.vxl; | |
6997 | ||
996c9314 LB |
6998 | vlan_if = |
6999 | zvni_map_to_svi(zl2_info.access_vlan, zif->brslave_info.br_if); | |
31310b25 | 7000 | if (!vlan_if) |
8068a649 | 7001 | return; |
31310b25 MK |
7002 | |
7003 | if (zvni->advertise_subnet) | |
7004 | zvni_advertise_subnet(zvni, vlan_if, 1); | |
7005 | else | |
7006 | zvni_advertise_subnet(zvni, vlan_if, 0); | |
2017b3ea DS |
7007 | |
7008 | stream_failure: | |
7009 | return; | |
31310b25 MK |
7010 | } |
7011 | ||
1a98c087 MK |
7012 | /* |
7013 | * Handle message from client to enable/disable advertisement of g/w macip | |
7014 | * routes | |
7015 | */ | |
89f4e507 | 7016 | void zebra_vxlan_advertise_gw_macip(ZAPI_HANDLER_ARGS) |
1a98c087 MK |
7017 | { |
7018 | struct stream *s; | |
7019 | int advertise; | |
7020 | vni_t vni = 0; | |
7021 | zebra_vni_t *zvni = NULL; | |
b5ebdc9b | 7022 | struct interface *ifp = NULL; |
1a98c087 | 7023 | |
2853fed6 | 7024 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7025 | zlog_debug("EVPN GW-MACIP Adv for non-default VRF %u", |
7026 | zvrf_id(zvrf)); | |
8068a649 | 7027 | return; |
2853fed6 | 7028 | } |
7029 | ||
1002497a | 7030 | s = msg; |
ec93aa12 | 7031 | STREAM_GETC(s, advertise); |
cc6d5476 | 7032 | STREAM_GETL(s, vni); |
1a98c087 MK |
7033 | |
7034 | if (!vni) { | |
7035 | if (IS_ZEBRA_DEBUG_VXLAN) | |
2853fed6 | 7036 | zlog_debug("EVPN gateway macip Adv %s, currently %s", |
1a98c087 | 7037 | advertise ? "enabled" : "disabled", |
2853fed6 | 7038 | advertise_gw_macip_enabled(NULL) |
1a98c087 MK |
7039 | ? "enabled" |
7040 | : "disabled"); | |
7041 | ||
7042 | if (zvrf->advertise_gw_macip == advertise) | |
8068a649 | 7043 | return; |
1a98c087 MK |
7044 | |
7045 | zvrf->advertise_gw_macip = advertise; | |
7046 | ||
2853fed6 | 7047 | if (advertise_gw_macip_enabled(zvni)) |
1a98c087 | 7048 | hash_iterate(zvrf->vni_table, |
2853fed6 | 7049 | zvni_gw_macip_add_for_vni_hash, NULL); |
1a98c087 MK |
7050 | else |
7051 | hash_iterate(zvrf->vni_table, | |
2853fed6 | 7052 | zvni_gw_macip_del_for_vni_hash, NULL); |
1a98c087 MK |
7053 | |
7054 | } else { | |
7055 | struct zebra_if *zif = NULL; | |
7056 | struct zebra_l2info_vxlan zl2_info; | |
7057 | struct interface *vlan_if = NULL; | |
7058 | struct interface *vrr_if = NULL; | |
7059 | ||
01a6143b MK |
7060 | zvni = zvni_lookup(vni); |
7061 | if (!zvni) | |
124ead27 | 7062 | return; |
01a6143b | 7063 | |
1a98c087 MK |
7064 | if (IS_ZEBRA_DEBUG_VXLAN) |
7065 | zlog_debug( | |
2853fed6 | 7066 | "EVPN gateway macip Adv %s on VNI %d , currently %s", |
1a98c087 | 7067 | advertise ? "enabled" : "disabled", vni, |
996c9314 LB |
7068 | advertise_gw_macip_enabled(zvni) ? "enabled" |
7069 | : "disabled"); | |
1a98c087 | 7070 | |
1a98c087 | 7071 | if (zvni->advertise_gw_macip == advertise) |
8068a649 | 7072 | return; |
1a98c087 MK |
7073 | |
7074 | zvni->advertise_gw_macip = advertise; | |
7075 | ||
b5ebdc9b | 7076 | ifp = zvni->vxlan_if; |
7077 | if (!ifp) | |
8068a649 | 7078 | return; |
b5ebdc9b | 7079 | |
7080 | zif = ifp->info; | |
7081 | ||
7082 | /* If down or not mapped to a bridge, we're done. */ | |
b682f6de | 7083 | if (!if_is_operative(ifp) || !zif->brslave_info.br_if) |
8068a649 | 7084 | return; |
b5ebdc9b | 7085 | |
1a98c087 MK |
7086 | zl2_info = zif->l2info.vxl; |
7087 | ||
2853fed6 | 7088 | vlan_if = zvni_map_to_svi(zl2_info.access_vlan, |
1a98c087 MK |
7089 | zif->brslave_info.br_if); |
7090 | if (!vlan_if) | |
8068a649 | 7091 | return; |
1a98c087 | 7092 | |
2853fed6 | 7093 | if (advertise_gw_macip_enabled(zvni)) { |
1a98c087 MK |
7094 | /* Add primary SVI MAC-IP */ |
7095 | zvni_add_macip_for_intf(vlan_if, zvni); | |
7096 | ||
7097 | /* Add VRR MAC-IP - if any*/ | |
7098 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7099 | if (vrr_if) | |
7100 | zvni_add_macip_for_intf(vrr_if, zvni); | |
7101 | } else { | |
7102 | /* Del primary MAC-IP */ | |
7103 | zvni_del_macip_for_intf(vlan_if, zvni); | |
7104 | ||
7105 | /* Del VRR MAC-IP - if any*/ | |
7106 | vrr_if = zebra_get_vrr_intf_for_svi(vlan_if); | |
7107 | if (vrr_if) | |
7108 | zvni_del_macip_for_intf(vrr_if, zvni); | |
7109 | } | |
7110 | } | |
7111 | ||
ec93aa12 | 7112 | stream_failure: |
8068a649 | 7113 | return; |
1a98c087 MK |
7114 | } |
7115 | ||
7116 | ||
13d60d35 | 7117 | /* |
7118 | * Handle message from client to learn (or stop learning) about VNIs and MACs. | |
7119 | * When enabled, the VNI hash table will be built and MAC FDB table read; | |
7120 | * when disabled, the entries should be deleted and remote VTEPs and MACs | |
7121 | * uninstalled from the kernel. | |
fbac9605 DS |
7122 | * This also informs the setting for BUM handling at the time this change |
7123 | * occurs; it is relevant only when specifying "learn". | |
13d60d35 | 7124 | */ |
89f4e507 | 7125 | void zebra_vxlan_advertise_all_vni(ZAPI_HANDLER_ARGS) |
13d60d35 | 7126 | { |
655b04d1 MK |
7127 | struct stream *s = NULL; |
7128 | int advertise = 0; | |
fbac9605 | 7129 | enum vxlan_flood_control flood_ctrl; |
13d60d35 | 7130 | |
2853fed6 | 7131 | if (zvrf_id(zvrf) != VRF_DEFAULT) { |
9df414fe QY |
7132 | zlog_debug("EVPN VNI Adv for non-default VRF %u", |
7133 | zvrf_id(zvrf)); | |
8068a649 | 7134 | return; |
2853fed6 | 7135 | } |
7136 | ||
1002497a | 7137 | s = msg; |
ec93aa12 | 7138 | STREAM_GETC(s, advertise); |
fbac9605 | 7139 | STREAM_GETC(s, flood_ctrl); |
13d60d35 | 7140 | |
d62a17ae | 7141 | if (IS_ZEBRA_DEBUG_VXLAN) |
fbac9605 | 7142 | zlog_debug("EVPN VNI Adv %s, currently %s, flood control %u", |
d62a17ae | 7143 | advertise ? "enabled" : "disabled", |
fbac9605 DS |
7144 | is_evpn_enabled() ? "enabled" : "disabled", |
7145 | flood_ctrl); | |
13d60d35 | 7146 | |
d62a17ae | 7147 | if (zvrf->advertise_all_vni == advertise) |
8068a649 | 7148 | return; |
13d60d35 | 7149 | |
d62a17ae | 7150 | zvrf->advertise_all_vni = advertise; |
2853fed6 | 7151 | if (is_evpn_enabled()) { |
fbac9605 DS |
7152 | /* Note BUM handling */ |
7153 | zvrf->vxlan_flood_ctrl = flood_ctrl; | |
7154 | ||
d62a17ae | 7155 | /* Build VNI hash table and inform BGP. */ |
2853fed6 | 7156 | zvni_build_hash_table(); |
2232a77c | 7157 | |
1a98c087 MK |
7158 | /* Add all SVI (L3 GW) MACs to BGP*/ |
7159 | hash_iterate(zvrf->vni_table, zvni_gw_macip_add_for_vni_hash, | |
2853fed6 | 7160 | NULL); |
1a98c087 | 7161 | |
d62a17ae | 7162 | /* Read the MAC FDB */ |
7163 | macfdb_read(zvrf->zns); | |
2232a77c | 7164 | |
d62a17ae | 7165 | /* Read neighbors */ |
7166 | neigh_read(zvrf->zns); | |
7167 | } else { | |
7168 | /* Cleanup VTEPs for all VNIs - uninstall from | |
7169 | * kernel and free entries. | |
7170 | */ | |
7171 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
655b04d1 MK |
7172 | |
7173 | /* cleanup all l3vnis */ | |
89272910 | 7174 | hash_iterate(zrouter.l3vni_table, zl3vni_cleanup_all, NULL); |
d62a17ae | 7175 | } |
13d60d35 | 7176 | |
ec93aa12 | 7177 | stream_failure: |
8068a649 | 7178 | return; |
13d60d35 | 7179 | } |
7180 | ||
7181 | /* | |
7182 | * Allocate VNI hash table for this VRF and do other initialization. | |
7183 | * NOTE: Currently supported only for default VRF. | |
7184 | */ | |
d62a17ae | 7185 | void zebra_vxlan_init_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7186 | { |
d62a17ae | 7187 | if (!zvrf) |
7188 | return; | |
7189 | zvrf->vni_table = hash_create(vni_hash_keymake, vni_hash_cmp, | |
7190 | "Zebra VRF VNI Table"); | |
13d60d35 | 7191 | } |
7192 | ||
84915b0a | 7193 | /* Cleanup VNI info, but don't free the table. */ |
7194 | void zebra_vxlan_cleanup_tables(struct zebra_vrf *zvrf) | |
7195 | { | |
7196 | if (!zvrf) | |
7197 | return; | |
7198 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); | |
7199 | } | |
7200 | ||
13d60d35 | 7201 | /* Close all VNI handling */ |
d62a17ae | 7202 | void zebra_vxlan_close_tables(struct zebra_vrf *zvrf) |
13d60d35 | 7203 | { |
2853fed6 | 7204 | if (!zvrf) |
7205 | return; | |
d62a17ae | 7206 | hash_iterate(zvrf->vni_table, zvni_cleanup_all, zvrf); |
9b67b514 | 7207 | hash_free(zvrf->vni_table); |
13d60d35 | 7208 | } |
b7cfce93 MK |
7209 | |
7210 | /* init the l3vni table */ | |
7211 | void zebra_vxlan_ns_init(struct zebra_ns *zns) | |
7212 | { | |
89272910 DS |
7213 | zrouter.l3vni_table = hash_create(l3vni_hash_keymake, l3vni_hash_cmp, |
7214 | "Zebra VRF L3 VNI table"); | |
b7cfce93 MK |
7215 | } |
7216 | ||
7217 | /* free l3vni table */ | |
7218 | void zebra_vxlan_ns_disable(struct zebra_ns *zns) | |
7219 | { | |
89272910 | 7220 | hash_free(zrouter.l3vni_table); |
b7cfce93 | 7221 | } |
d3135ba3 | 7222 | |
7223 | /* get the l3vni svi ifindex */ | |
7224 | ifindex_t get_l3vni_svi_ifindex(vrf_id_t vrf_id) | |
7225 | { | |
7226 | zebra_l3vni_t *zl3vni = NULL; | |
7227 | ||
7228 | zl3vni = zl3vni_from_vrf(vrf_id); | |
7229 | if (!zl3vni || !is_l3vni_oper_up(zl3vni)) | |
7230 | return 0; | |
7231 | ||
7232 | return zl3vni->svi_if->ifindex; | |
7233 | } |