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7c551956 DS |
1 | /* |
2 | * Copyright (C) 2016 CumulusNetworks | |
3 | * Donald Sharp | |
4 | * | |
5 | * This file is part of Quagga | |
6 | * | |
7 | * Quagga 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 | * Quagga 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 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
7c551956 DS |
20 | */ |
21 | #include <zebra.h> | |
22 | ||
23 | #include "log.h" | |
24 | #include "linklist.h" | |
f30c50b9 | 25 | #include "command.h" |
4a1ab8e4 | 26 | #include "memory.h" |
05737783 | 27 | #include "srcdest_table.h" |
78dd30b2 | 28 | #include "vrf.h" |
82f97584 | 29 | #include "vty.h" |
78dd30b2 | 30 | |
89272910 | 31 | #include "zebra/zebra_router.h" |
df9c8c57 | 32 | #include "zebra/rtadv.h" |
7c551956 | 33 | #include "zebra/debug.h" |
bf094f69 | 34 | #include "zebra/zapi_msg.h" |
7c551956 DS |
35 | #include "zebra/rib.h" |
36 | #include "zebra/zebra_vrf.h" | |
5a8dfcd8 | 37 | #include "zebra/zebra_rnh.h" |
7c551956 | 38 | #include "zebra/router-id.h" |
4a1ab8e4 | 39 | #include "zebra/zebra_memory.h" |
5a8dfcd8 | 40 | #include "zebra/interface.h" |
7758e3f3 | 41 | #include "zebra/zebra_mpls.h" |
13d60d35 | 42 | #include "zebra/zebra_vxlan.h" |
3bc34908 | 43 | #include "zebra/zebra_netns_notify.h" |
7cf16e19 | 44 | #include "zebra/zebra_routemap.h" |
7c551956 | 45 | |
9d97533e | 46 | static void zebra_vrf_table_create(struct zebra_vrf *zvrf, afi_t afi, |
47 | safi_t safi); | |
48 | static void zebra_rnhtable_node_cleanup(struct route_table *table, | |
49 | struct route_node *node); | |
50 | ||
c1344b54 DL |
51 | DEFINE_MTYPE_STATIC(ZEBRA, ZEBRA_VRF, "ZEBRA VRF") |
52 | DEFINE_MTYPE_STATIC(ZEBRA, OTHER_TABLE, "Other Table") | |
d8612e65 | 53 | |
7c551956 | 54 | /* VRF information update. */ |
d62a17ae | 55 | static void zebra_vrf_add_update(struct zebra_vrf *zvrf) |
7c551956 | 56 | { |
d62a17ae | 57 | struct listnode *node, *nnode; |
58 | struct zserv *client; | |
7c551956 | 59 | |
d62a17ae | 60 | if (IS_ZEBRA_DEBUG_EVENT) |
61 | zlog_debug("MESSAGE: ZEBRA_VRF_ADD %s", zvrf_name(zvrf)); | |
7c551956 | 62 | |
161e9ab7 | 63 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
d62a17ae | 64 | zsend_vrf_add(client, zvrf); |
7c551956 DS |
65 | } |
66 | ||
d62a17ae | 67 | static void zebra_vrf_delete_update(struct zebra_vrf *zvrf) |
7c551956 | 68 | { |
d62a17ae | 69 | struct listnode *node, *nnode; |
70 | struct zserv *client; | |
7c551956 | 71 | |
d62a17ae | 72 | if (IS_ZEBRA_DEBUG_EVENT) |
73 | zlog_debug("MESSAGE: ZEBRA_VRF_DELETE %s", zvrf_name(zvrf)); | |
7c551956 | 74 | |
161e9ab7 | 75 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) |
d62a17ae | 76 | zsend_vrf_delete(client, zvrf); |
7c551956 DS |
77 | } |
78 | ||
d62a17ae | 79 | void zebra_vrf_update_all(struct zserv *client) |
7c551956 | 80 | { |
d62a17ae | 81 | struct vrf *vrf; |
7c551956 | 82 | |
a2addae8 | 83 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
4691b65a | 84 | if (vrf->vrf_id != VRF_UNKNOWN) |
d62a17ae | 85 | zsend_vrf_add(client, vrf_info_lookup(vrf->vrf_id)); |
86 | } | |
7c551956 DS |
87 | } |
88 | ||
89 | /* Callback upon creating a new VRF. */ | |
d62a17ae | 90 | static int zebra_vrf_new(struct vrf *vrf) |
7c551956 | 91 | { |
d62a17ae | 92 | struct zebra_vrf *zvrf; |
7c551956 | 93 | |
d62a17ae | 94 | if (IS_ZEBRA_DEBUG_EVENT) |
14a4d9d0 | 95 | zlog_debug("VRF %s created, id %u", vrf->name, vrf->vrf_id); |
7c551956 | 96 | |
d62a17ae | 97 | zvrf = zebra_vrf_alloc(); |
d62a17ae | 98 | vrf->info = zvrf; |
99 | zvrf->vrf = vrf; | |
d8612e65 DS |
100 | |
101 | otable_init(&zvrf->other_tables); | |
102 | ||
fbb65ff5 | 103 | router_id_init(zvrf); |
d62a17ae | 104 | return 0; |
7c551956 DS |
105 | } |
106 | ||
107 | /* Callback upon enabling a VRF. */ | |
d62a17ae | 108 | static int zebra_vrf_enable(struct vrf *vrf) |
7c551956 | 109 | { |
d62a17ae | 110 | struct zebra_vrf *zvrf = vrf->info; |
9d97533e | 111 | struct route_table *table; |
d62a17ae | 112 | afi_t afi; |
113 | safi_t safi; | |
114 | ||
115 | assert(zvrf); | |
84915b0a | 116 | if (IS_ZEBRA_DEBUG_EVENT) |
996c9314 LB |
117 | zlog_debug("VRF %s id %u is now active", zvrf_name(zvrf), |
118 | zvrf_id(zvrf)); | |
d62a17ae | 119 | |
fbb65ff5 PG |
120 | if (vrf_is_backend_netns()) |
121 | zvrf->zns = zebra_ns_lookup((ns_id_t)vrf->vrf_id); | |
122 | else | |
123 | zvrf->zns = zebra_ns_lookup(NS_DEFAULT); | |
df9c8c57 PG |
124 | #if defined(HAVE_RTADV) |
125 | rtadv_init(zvrf); | |
126 | #endif | |
127 | ||
84915b0a | 128 | /* Inform clients that the VRF is now active. This is an |
129 | * add for the clients. | |
130 | */ | |
d62a17ae | 131 | |
8288a24f | 132 | zebra_vrf_add_update(zvrf); |
9d97533e | 133 | /* Allocate tables */ |
134 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
135 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) | |
136 | zebra_vrf_table_create(zvrf, afi, safi); | |
137 | ||
138 | table = route_table_init(); | |
139 | table->cleanup = zebra_rnhtable_node_cleanup; | |
140 | zvrf->rnh_table[afi] = table; | |
141 | ||
142 | table = route_table_init(); | |
143 | table->cleanup = zebra_rnhtable_node_cleanup; | |
144 | zvrf->import_check_table[afi] = table; | |
145 | } | |
146 | ||
84915b0a | 147 | /* Kick off any VxLAN-EVPN processing. */ |
148 | zebra_vxlan_vrf_enable(zvrf); | |
149 | ||
d62a17ae | 150 | return 0; |
7c551956 DS |
151 | } |
152 | ||
153 | /* Callback upon disabling a VRF. */ | |
d62a17ae | 154 | static int zebra_vrf_disable(struct vrf *vrf) |
7c551956 | 155 | { |
d62a17ae | 156 | struct zebra_vrf *zvrf = vrf->info; |
9d97533e | 157 | struct interface *ifp; |
d62a17ae | 158 | afi_t afi; |
159 | safi_t safi; | |
9d97533e | 160 | unsigned i; |
d62a17ae | 161 | |
84915b0a | 162 | assert(zvrf); |
163 | if (IS_ZEBRA_DEBUG_EVENT) | |
996c9314 LB |
164 | zlog_debug("VRF %s id %u is now inactive", zvrf_name(zvrf), |
165 | zvrf_id(zvrf)); | |
d62a17ae | 166 | |
84915b0a | 167 | /* Stop any VxLAN-EVPN processing. */ |
168 | zebra_vxlan_vrf_disable(zvrf); | |
d62a17ae | 169 | |
df9c8c57 PG |
170 | #if defined(HAVE_RTADV) |
171 | rtadv_terminate(zvrf); | |
172 | #endif | |
173 | ||
84915b0a | 174 | /* Inform clients that the VRF is now inactive. This is a |
175 | * delete for the clients. | |
176 | */ | |
d62a17ae | 177 | zebra_vrf_delete_update(zvrf); |
178 | ||
9d97533e | 179 | /* If asked to retain routes, there's nothing more to do. */ |
180 | if (CHECK_FLAG(zvrf->flags, ZEBRA_VRF_RETAIN)) | |
181 | return 0; | |
182 | ||
183 | /* Remove all routes. */ | |
184 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
41dc8c14 DS |
185 | route_table_finish(zvrf->rnh_table[afi]); |
186 | zvrf->rnh_table[afi] = NULL; | |
187 | route_table_finish(zvrf->import_check_table[afi]); | |
188 | zvrf->import_check_table[afi] = NULL; | |
189 | ||
9d97533e | 190 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) |
191 | rib_close_table(zvrf->table[afi][safi]); | |
9d97533e | 192 | } |
193 | ||
194 | /* Cleanup Vxlan, MPLS and PW tables. */ | |
195 | zebra_vxlan_cleanup_tables(zvrf); | |
196 | zebra_mpls_cleanup_tables(zvrf); | |
197 | zebra_pw_exit(zvrf); | |
198 | ||
996c9314 LB |
199 | /* Remove link-local IPv4 addresses created for BGP unnumbered peering. |
200 | */ | |
9d97533e | 201 | FOR_ALL_INTERFACES (vrf, ifp) |
202 | if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(ifp); | |
203 | ||
204 | /* clean-up work queues */ | |
205 | for (i = 0; i < MQ_SIZE; i++) { | |
206 | struct listnode *lnode, *nnode; | |
207 | struct route_node *rnode; | |
208 | rib_dest_t *dest; | |
209 | ||
ea45a4e7 | 210 | for (ALL_LIST_ELEMENTS(zrouter.mq->subq[i], lnode, nnode, |
996c9314 | 211 | rnode)) { |
9d97533e | 212 | dest = rib_dest_from_rnode(rnode); |
213 | if (dest && rib_dest_vrf(dest) == zvrf) { | |
214 | route_unlock_node(rnode); | |
ea45a4e7 DS |
215 | list_delete_node(zrouter.mq->subq[i], lnode); |
216 | zrouter.mq->size--; | |
9d97533e | 217 | } |
d62a17ae | 218 | } |
9d97533e | 219 | } |
7c551956 | 220 | |
9d97533e | 221 | /* Cleanup (free) routing tables and NHT tables. */ |
222 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
89272910 DS |
223 | /* |
224 | * Set the table pointer to NULL as that | |
225 | * we no-longer need a copy of it, nor do we | |
226 | * own this data, the zebra_router structure | |
227 | * owns these tables. Once we've cleaned up the | |
228 | * table, see rib_close_table above | |
229 | * we no-longer need this pointer. | |
230 | */ | |
bd4fb615 DS |
231 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) { |
232 | zebra_router_release_table(zvrf, zvrf->table_id, afi, | |
233 | safi); | |
9d97533e | 234 | zvrf->table[afi][safi] = NULL; |
bd4fb615 | 235 | } |
5a8dfcd8 RW |
236 | } |
237 | ||
d62a17ae | 238 | return 0; |
7c551956 DS |
239 | } |
240 | ||
d62a17ae | 241 | static int zebra_vrf_delete(struct vrf *vrf) |
7c551956 | 242 | { |
d62a17ae | 243 | struct zebra_vrf *zvrf = vrf->info; |
d8612e65 | 244 | struct other_route_table *otable; |
d62a17ae | 245 | struct route_table *table; |
d62a17ae | 246 | afi_t afi; |
247 | safi_t safi; | |
248 | unsigned i; | |
249 | ||
250 | assert(zvrf); | |
84915b0a | 251 | if (IS_ZEBRA_DEBUG_EVENT) |
996c9314 LB |
252 | zlog_debug("VRF %s id %u deleted", zvrf_name(zvrf), |
253 | zvrf_id(zvrf)); | |
5a8dfcd8 | 254 | |
d62a17ae | 255 | /* clean-up work queues */ |
256 | for (i = 0; i < MQ_SIZE; i++) { | |
257 | struct listnode *lnode, *nnode; | |
258 | struct route_node *rnode; | |
259 | rib_dest_t *dest; | |
260 | ||
ea45a4e7 | 261 | for (ALL_LIST_ELEMENTS(zrouter.mq->subq[i], lnode, nnode, |
996c9314 | 262 | rnode)) { |
d62a17ae | 263 | dest = rib_dest_from_rnode(rnode); |
264 | if (dest && rib_dest_vrf(dest) == zvrf) { | |
265 | route_unlock_node(rnode); | |
ea45a4e7 DS |
266 | list_delete_node(zrouter.mq->subq[i], lnode); |
267 | zrouter.mq->size--; | |
d62a17ae | 268 | } |
269 | } | |
5a8dfcd8 | 270 | } |
5a8dfcd8 | 271 | |
84915b0a | 272 | /* Free Vxlan and MPLS. */ |
273 | zebra_vxlan_close_tables(zvrf); | |
274 | zebra_mpls_close_tables(zvrf); | |
275 | ||
d62a17ae | 276 | /* release allocated memory */ |
277 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
d62a17ae | 278 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) { |
279 | table = zvrf->table[afi][safi]; | |
9d97533e | 280 | if (table) { |
bd4fb615 DS |
281 | zebra_router_release_table(zvrf, zvrf->table_id, |
282 | afi, safi); | |
283 | zvrf->table[afi][safi] = NULL; | |
9d97533e | 284 | } |
d62a17ae | 285 | } |
5a8dfcd8 | 286 | |
41dc8c14 DS |
287 | if (zvrf->rnh_table[afi]) |
288 | route_table_finish(zvrf->rnh_table[afi]); | |
289 | if (zvrf->import_check_table[afi]) | |
290 | route_table_finish(zvrf->import_check_table[afi]); | |
5a8dfcd8 | 291 | } |
b7cfce93 | 292 | |
d8612e65 DS |
293 | otable = otable_pop(&zvrf->other_tables); |
294 | while (otable) { | |
295 | zebra_router_release_table(zvrf, otable->table_id, | |
296 | otable->afi, otable->safi); | |
297 | XFREE(MTYPE_OTHER_TABLE, otable); | |
298 | ||
299 | otable = otable_pop(&zvrf->other_tables); | |
300 | } | |
301 | ||
84915b0a | 302 | /* Cleanup EVPN states for vrf */ |
b7cfce93 MK |
303 | zebra_vxlan_vrf_delete(zvrf); |
304 | ||
d62a17ae | 305 | list_delete_all_node(zvrf->rid_all_sorted_list); |
306 | list_delete_all_node(zvrf->rid_lo_sorted_list); | |
d8612e65 DS |
307 | |
308 | otable_fini(&zvrf->other_tables); | |
d62a17ae | 309 | XFREE(MTYPE_ZEBRA_VRF, zvrf); |
310 | vrf->info = NULL; | |
5a8dfcd8 | 311 | |
d62a17ae | 312 | return 0; |
7c551956 DS |
313 | } |
314 | ||
ecbc5a37 PG |
315 | static int zebra_vrf_update(struct vrf *vrf) |
316 | { | |
317 | struct zebra_vrf *zvrf = vrf->info; | |
318 | ||
319 | assert(zvrf); | |
320 | if (IS_ZEBRA_DEBUG_EVENT) | |
321 | zlog_debug("VRF %s id %u, name updated", vrf->name, | |
322 | zvrf_id(zvrf)); | |
323 | zebra_vrf_add_update(zvrf); | |
324 | return 0; | |
325 | } | |
326 | ||
327 | ||
22bd3e94 | 328 | /* Return if this VRF has any FRR configuration or not. |
329 | * IMPORTANT: This function needs to be updated when additional configuration | |
330 | * is added for a VRF. | |
331 | */ | |
332 | int zebra_vrf_has_config(struct zebra_vrf *zvrf) | |
333 | { | |
22bd3e94 | 334 | /* EVPN L3-VNI? */ |
335 | if (zvrf->l3vni) | |
336 | return 1; | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
7c551956 | 341 | /* Lookup the routing table in a VRF based on both VRF-Id and table-id. |
e9748a89 PG |
342 | * NOTE: Table-id is relevant on two modes: |
343 | * - case VRF backend is default : on default VRF only | |
344 | * - case VRF backend is netns : on all VRFs | |
7c551956 | 345 | */ |
d62a17ae | 346 | struct route_table *zebra_vrf_table_with_table_id(afi_t afi, safi_t safi, |
347 | vrf_id_t vrf_id, | |
d7c0a89a | 348 | uint32_t table_id) |
7c551956 | 349 | { |
8ab39b7f | 350 | struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id); |
d8612e65 DS |
351 | struct other_route_table ort, *otable; |
352 | struct route_table *table; | |
8ab39b7f DS |
353 | |
354 | if (!zvrf) | |
355 | return NULL; | |
d62a17ae | 356 | |
357 | if (afi >= AFI_MAX || safi >= SAFI_MAX) | |
358 | return NULL; | |
359 | ||
8ab39b7f DS |
360 | if (table_id == zvrf->table_id) |
361 | return zebra_vrf_table(afi, safi, vrf_id); | |
d62a17ae | 362 | |
d8612e65 DS |
363 | ort.afi = afi; |
364 | ort.safi = safi; | |
365 | ort.table_id = table_id; | |
366 | otable = otable_find(&zvrf->other_tables, &ort); | |
367 | if (otable) | |
368 | return otable->table; | |
369 | ||
370 | table = zebra_router_get_table(zvrf, table_id, afi, safi); | |
371 | ||
372 | otable = XCALLOC(MTYPE_OTHER_TABLE, sizeof(*otable)); | |
373 | otable->afi = afi; | |
374 | otable->safi = safi; | |
375 | otable->table_id = table_id; | |
376 | otable->table = table; | |
377 | otable_add(&zvrf->other_tables, otable); | |
d62a17ae | 378 | |
379 | return table; | |
7c551956 DS |
380 | } |
381 | ||
5335613b DS |
382 | void zebra_rtable_node_cleanup(struct route_table *table, |
383 | struct route_node *node) | |
5a8dfcd8 | 384 | { |
d62a17ae | 385 | struct route_entry *re, *next; |
5a8dfcd8 | 386 | |
a2addae8 | 387 | RNODE_FOREACH_RE_SAFE (node, re, next) { |
407c87a6 DS |
388 | rib_unlink(node, re); |
389 | } | |
5a8dfcd8 | 390 | |
699dae23 DS |
391 | if (node->info) { |
392 | rib_dest_t *dest = node->info; | |
393 | ||
aa57abfb | 394 | rnh_list_fini(&dest->nht); |
699dae23 DS |
395 | XFREE(MTYPE_RIB_DEST, node->info); |
396 | } | |
5a8dfcd8 RW |
397 | } |
398 | ||
d62a17ae | 399 | static void zebra_rnhtable_node_cleanup(struct route_table *table, |
400 | struct route_node *node) | |
5a8dfcd8 | 401 | { |
d62a17ae | 402 | if (node->info) |
403 | zebra_free_rnh(node->info); | |
5a8dfcd8 RW |
404 | } |
405 | ||
7c551956 DS |
406 | /* |
407 | * Create a routing table for the specific AFI/SAFI in the given VRF. | |
408 | */ | |
d62a17ae | 409 | static void zebra_vrf_table_create(struct zebra_vrf *zvrf, afi_t afi, |
410 | safi_t safi) | |
7c551956 | 411 | { |
c86ba6c2 DS |
412 | struct route_node *rn; |
413 | struct prefix p; | |
414 | ||
d62a17ae | 415 | assert(!zvrf->table[afi][safi]); |
416 | ||
ea66cec4 DS |
417 | zvrf->table[afi][safi] = |
418 | zebra_router_get_table(zvrf, zvrf->table_id, afi, safi); | |
c86ba6c2 DS |
419 | |
420 | memset(&p, 0, sizeof(p)); | |
421 | p.family = afi2family(afi); | |
422 | ||
423 | rn = srcdest_rnode_get(zvrf->table[afi][safi], &p, NULL); | |
424 | zebra_rib_create_dest(rn); | |
7c551956 DS |
425 | } |
426 | ||
427 | /* Allocate new zebra VRF. */ | |
d62a17ae | 428 | struct zebra_vrf *zebra_vrf_alloc(void) |
7c551956 | 429 | { |
d62a17ae | 430 | struct zebra_vrf *zvrf; |
d62a17ae | 431 | |
432 | zvrf = XCALLOC(MTYPE_ZEBRA_VRF, sizeof(struct zebra_vrf)); | |
433 | ||
d62a17ae | 434 | zebra_vxlan_init_tables(zvrf); |
435 | zebra_mpls_init_tables(zvrf); | |
6833ae01 | 436 | zebra_pw_init(zvrf); |
e9748a89 PG |
437 | zvrf->table_id = RT_TABLE_MAIN; |
438 | /* by default table ID is default one */ | |
d62a17ae | 439 | return zvrf; |
7c551956 DS |
440 | } |
441 | ||
442 | /* Lookup VRF by identifier. */ | |
d62a17ae | 443 | struct zebra_vrf *zebra_vrf_lookup_by_id(vrf_id_t vrf_id) |
7c551956 | 444 | { |
d62a17ae | 445 | return vrf_info_lookup(vrf_id); |
7c551956 DS |
446 | } |
447 | ||
51bdc5f8 | 448 | /* Lookup VRF by name. */ |
d62a17ae | 449 | struct zebra_vrf *zebra_vrf_lookup_by_name(const char *name) |
871d39b3 | 450 | { |
d62a17ae | 451 | struct vrf *vrf; |
871d39b3 | 452 | |
d62a17ae | 453 | if (!name) |
454 | name = VRF_DEFAULT_NAME; | |
a3d21ef3 | 455 | |
d62a17ae | 456 | vrf = vrf_lookup_by_name(name); |
457 | if (vrf) | |
458 | return ((struct zebra_vrf *)vrf->info); | |
51bdc5f8 | 459 | |
d62a17ae | 460 | return NULL; |
871d39b3 DS |
461 | } |
462 | ||
7c551956 | 463 | /* Lookup the routing table in an enabled VRF. */ |
d62a17ae | 464 | struct route_table *zebra_vrf_table(afi_t afi, safi_t safi, vrf_id_t vrf_id) |
7c551956 | 465 | { |
d62a17ae | 466 | struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id); |
7c551956 | 467 | |
d62a17ae | 468 | if (!zvrf) |
469 | return NULL; | |
7c551956 | 470 | |
d62a17ae | 471 | if (afi >= AFI_MAX || safi >= SAFI_MAX) |
472 | return NULL; | |
7c551956 | 473 | |
d62a17ae | 474 | return zvrf->table[afi][safi]; |
7c551956 DS |
475 | } |
476 | ||
d62a17ae | 477 | static int vrf_config_write(struct vty *vty) |
f30c50b9 | 478 | { |
d62a17ae | 479 | struct vrf *vrf; |
480 | struct zebra_vrf *zvrf; | |
481 | ||
a2addae8 | 482 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
d62a17ae | 483 | zvrf = vrf->info; |
1e9f448f DS |
484 | |
485 | if (!zvrf) | |
486 | continue; | |
487 | ||
a5654735 MK |
488 | if (zvrf_id(zvrf) == VRF_DEFAULT) { |
489 | if (zvrf->l3vni) | |
8d0f01f1 CS |
490 | vty_out(vty, "vni %u%s\n", zvrf->l3vni, |
491 | is_l3vni_for_prefix_routes_only( | |
492 | zvrf->l3vni) | |
493 | ? " prefix-routes-only" | |
494 | : ""); | |
5a0bdc78 PG |
495 | if (zvrf->zebra_rnh_ip_default_route) |
496 | vty_out(vty, "ip nht resolve-via-default\n"); | |
497 | ||
498 | if (zvrf->zebra_rnh_ipv6_default_route) | |
499 | vty_out(vty, "ipv6 nht resolve-via-default\n"); | |
c319e19d QY |
500 | } else { |
501 | vty_frame(vty, "vrf %s\n", zvrf_name(zvrf)); | |
22bd3e94 | 502 | if (zvrf->l3vni) |
996c9314 LB |
503 | vty_out(vty, " vni %u%s\n", zvrf->l3vni, |
504 | is_l3vni_for_prefix_routes_only( | |
505 | zvrf->l3vni) | |
506 | ? " prefix-routes-only" | |
507 | : ""); | |
b95c1883 | 508 | zebra_ns_config_write(vty, (struct ns *)vrf->ns_ctxt); |
5a0bdc78 PG |
509 | if (zvrf->zebra_rnh_ip_default_route) |
510 | vty_out(vty, " ip nht resolve-via-default\n"); | |
511 | ||
512 | if (zvrf->zebra_rnh_ipv6_default_route) | |
513 | vty_out(vty, " ipv6 nht resolve-via-default\n"); | |
22bd3e94 | 514 | } |
37728041 | 515 | |
5a0bdc78 | 516 | |
7cf16e19 | 517 | zebra_routemap_config_write_protocol(vty, zvrf); |
518 | ||
c319e19d QY |
519 | if (zvrf_id(zvrf) != VRF_DEFAULT) |
520 | vty_endframe(vty, " exit-vrf\n!\n"); | |
7cf16e19 | 521 | else |
522 | vty_out(vty, "!\n"); | |
d62a17ae | 523 | } |
524 | return 0; | |
f30c50b9 RW |
525 | } |
526 | ||
7c551956 | 527 | /* Zebra VRF initialization. */ |
d62a17ae | 528 | void zebra_vrf_init(void) |
7c551956 | 529 | { |
996c9314 | 530 | vrf_init(zebra_vrf_new, zebra_vrf_enable, zebra_vrf_disable, |
ecbc5a37 | 531 | zebra_vrf_delete, zebra_vrf_update); |
7c551956 | 532 | |
3bc34908 | 533 | vrf_cmd_init(vrf_config_write, &zserv_privs); |
7c551956 | 534 | } |