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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 | ||
62d89c64 IR |
23 | /* for basename */ |
24 | #include <libgen.h> | |
25 | ||
7c551956 DS |
26 | #include "log.h" |
27 | #include "linklist.h" | |
f30c50b9 | 28 | #include "command.h" |
4a1ab8e4 | 29 | #include "memory.h" |
05737783 | 30 | #include "srcdest_table.h" |
78dd30b2 | 31 | #include "vrf.h" |
82f97584 | 32 | #include "vty.h" |
78dd30b2 | 33 | |
89272910 | 34 | #include "zebra/zebra_router.h" |
df9c8c57 | 35 | #include "zebra/rtadv.h" |
7c551956 | 36 | #include "zebra/debug.h" |
bf094f69 | 37 | #include "zebra/zapi_msg.h" |
7c551956 DS |
38 | #include "zebra/rib.h" |
39 | #include "zebra/zebra_vrf.h" | |
5a8dfcd8 | 40 | #include "zebra/zebra_rnh.h" |
7c551956 | 41 | #include "zebra/router-id.h" |
5a8dfcd8 | 42 | #include "zebra/interface.h" |
7758e3f3 | 43 | #include "zebra/zebra_mpls.h" |
13d60d35 | 44 | #include "zebra/zebra_vxlan.h" |
3bc34908 | 45 | #include "zebra/zebra_netns_notify.h" |
7cf16e19 | 46 | #include "zebra/zebra_routemap.h" |
37cb0475 | 47 | #include "zebra/zebra_vrf_clippy.c" |
42d4b30e | 48 | #include "zebra/table_manager.h" |
7c551956 | 49 | |
9d97533e | 50 | static void zebra_vrf_table_create(struct zebra_vrf *zvrf, afi_t afi, |
51 | safi_t safi); | |
52 | static void zebra_rnhtable_node_cleanup(struct route_table *table, | |
53 | struct route_node *node); | |
54 | ||
bf8d3d6a DL |
55 | DEFINE_MTYPE_STATIC(ZEBRA, ZEBRA_VRF, "ZEBRA VRF"); |
56 | DEFINE_MTYPE_STATIC(ZEBRA, OTHER_TABLE, "Other Table"); | |
d8612e65 | 57 | |
7c551956 | 58 | /* VRF information update. */ |
d62a17ae | 59 | static void zebra_vrf_add_update(struct zebra_vrf *zvrf) |
7c551956 | 60 | { |
d62a17ae | 61 | struct listnode *node, *nnode; |
62 | struct zserv *client; | |
7c551956 | 63 | |
d62a17ae | 64 | if (IS_ZEBRA_DEBUG_EVENT) |
65 | zlog_debug("MESSAGE: ZEBRA_VRF_ADD %s", zvrf_name(zvrf)); | |
7c551956 | 66 | |
17da84a4 KS |
67 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
68 | /* Do not send unsolicited messages to synchronous clients. */ | |
69 | if (client->synchronous) | |
70 | continue; | |
71 | ||
d62a17ae | 72 | zsend_vrf_add(client, zvrf); |
17da84a4 | 73 | } |
7c551956 DS |
74 | } |
75 | ||
d62a17ae | 76 | static void zebra_vrf_delete_update(struct zebra_vrf *zvrf) |
7c551956 | 77 | { |
d62a17ae | 78 | struct listnode *node, *nnode; |
79 | struct zserv *client; | |
7c551956 | 80 | |
d62a17ae | 81 | if (IS_ZEBRA_DEBUG_EVENT) |
82 | zlog_debug("MESSAGE: ZEBRA_VRF_DELETE %s", zvrf_name(zvrf)); | |
7c551956 | 83 | |
17da84a4 KS |
84 | for (ALL_LIST_ELEMENTS(zrouter.client_list, node, nnode, client)) { |
85 | /* Do not send unsolicited messages to synchronous clients. */ | |
86 | if (client->synchronous) | |
87 | continue; | |
88 | ||
d62a17ae | 89 | zsend_vrf_delete(client, zvrf); |
17da84a4 | 90 | } |
7c551956 DS |
91 | } |
92 | ||
d62a17ae | 93 | void zebra_vrf_update_all(struct zserv *client) |
7c551956 | 94 | { |
d62a17ae | 95 | struct vrf *vrf; |
7c551956 | 96 | |
a2addae8 | 97 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
4691b65a | 98 | if (vrf->vrf_id != VRF_UNKNOWN) |
d62a17ae | 99 | zsend_vrf_add(client, vrf_info_lookup(vrf->vrf_id)); |
100 | } | |
7c551956 DS |
101 | } |
102 | ||
103 | /* Callback upon creating a new VRF. */ | |
d62a17ae | 104 | static int zebra_vrf_new(struct vrf *vrf) |
7c551956 | 105 | { |
d62a17ae | 106 | struct zebra_vrf *zvrf; |
7c551956 | 107 | |
d62a17ae | 108 | if (IS_ZEBRA_DEBUG_EVENT) |
14a4d9d0 | 109 | zlog_debug("VRF %s created, id %u", vrf->name, vrf->vrf_id); |
7c551956 | 110 | |
ec64a634 | 111 | zvrf = zebra_vrf_alloc(vrf); |
91b1421e PG |
112 | if (!vrf_is_backend_netns()) |
113 | zvrf->zns = zebra_ns_lookup(NS_DEFAULT); | |
d8612e65 DS |
114 | |
115 | otable_init(&zvrf->other_tables); | |
116 | ||
fbb65ff5 | 117 | router_id_init(zvrf); |
42d4b30e PG |
118 | |
119 | /* Initiate Table Manager per ZNS */ | |
120 | table_manager_enable(zvrf); | |
121 | ||
d62a17ae | 122 | return 0; |
7c551956 DS |
123 | } |
124 | ||
125 | /* Callback upon enabling a VRF. */ | |
d62a17ae | 126 | static int zebra_vrf_enable(struct vrf *vrf) |
7c551956 | 127 | { |
d62a17ae | 128 | struct zebra_vrf *zvrf = vrf->info; |
9d97533e | 129 | struct route_table *table; |
d62a17ae | 130 | afi_t afi; |
131 | safi_t safi; | |
132 | ||
133 | assert(zvrf); | |
84915b0a | 134 | if (IS_ZEBRA_DEBUG_EVENT) |
996c9314 LB |
135 | zlog_debug("VRF %s id %u is now active", zvrf_name(zvrf), |
136 | zvrf_id(zvrf)); | |
d62a17ae | 137 | |
fbb65ff5 PG |
138 | if (vrf_is_backend_netns()) |
139 | zvrf->zns = zebra_ns_lookup((ns_id_t)vrf->vrf_id); | |
140 | else | |
141 | zvrf->zns = zebra_ns_lookup(NS_DEFAULT); | |
7ca9c407 | 142 | |
7c2ddfb9 | 143 | rtadv_vrf_init(zvrf); |
df9c8c57 | 144 | |
84915b0a | 145 | /* Inform clients that the VRF is now active. This is an |
146 | * add for the clients. | |
147 | */ | |
d62a17ae | 148 | |
8288a24f | 149 | zebra_vrf_add_update(zvrf); |
9d97533e | 150 | /* Allocate tables */ |
151 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
152 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) | |
153 | zebra_vrf_table_create(zvrf, afi, safi); | |
154 | ||
155 | table = route_table_init(); | |
156 | table->cleanup = zebra_rnhtable_node_cleanup; | |
157 | zvrf->rnh_table[afi] = table; | |
158 | ||
159 | table = route_table_init(); | |
160 | table->cleanup = zebra_rnhtable_node_cleanup; | |
a4598b97 | 161 | zvrf->rnh_table_multicast[afi] = table; |
9d97533e | 162 | } |
163 | ||
84915b0a | 164 | /* Kick off any VxLAN-EVPN processing. */ |
165 | zebra_vxlan_vrf_enable(zvrf); | |
166 | ||
d62a17ae | 167 | return 0; |
7c551956 DS |
168 | } |
169 | ||
170 | /* Callback upon disabling a VRF. */ | |
d62a17ae | 171 | static int zebra_vrf_disable(struct vrf *vrf) |
7c551956 | 172 | { |
d62a17ae | 173 | struct zebra_vrf *zvrf = vrf->info; |
9d97533e | 174 | struct interface *ifp; |
d62a17ae | 175 | afi_t afi; |
176 | safi_t safi; | |
177 | ||
84915b0a | 178 | assert(zvrf); |
179 | if (IS_ZEBRA_DEBUG_EVENT) | |
996c9314 LB |
180 | zlog_debug("VRF %s id %u is now inactive", zvrf_name(zvrf), |
181 | zvrf_id(zvrf)); | |
d62a17ae | 182 | |
84915b0a | 183 | /* Stop any VxLAN-EVPN processing. */ |
184 | zebra_vxlan_vrf_disable(zvrf); | |
d62a17ae | 185 | |
aab5893a | 186 | rtadv_vrf_terminate(zvrf); |
df9c8c57 | 187 | |
84915b0a | 188 | /* Inform clients that the VRF is now inactive. This is a |
189 | * delete for the clients. | |
190 | */ | |
d62a17ae | 191 | zebra_vrf_delete_update(zvrf); |
192 | ||
9d97533e | 193 | /* If asked to retain routes, there's nothing more to do. */ |
194 | if (CHECK_FLAG(zvrf->flags, ZEBRA_VRF_RETAIN)) | |
195 | return 0; | |
196 | ||
197 | /* Remove all routes. */ | |
198 | for (afi = AFI_IP; afi <= AFI_IP6; afi++) { | |
41dc8c14 DS |
199 | route_table_finish(zvrf->rnh_table[afi]); |
200 | zvrf->rnh_table[afi] = NULL; | |
a4598b97 DS |
201 | route_table_finish(zvrf->rnh_table_multicast[afi]); |
202 | zvrf->rnh_table_multicast[afi] = NULL; | |
41dc8c14 | 203 | |
9d97533e | 204 | for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) |
205 | rib_close_table(zvrf->table[afi][safi]); | |
9d97533e | 206 | } |
207 | ||
208 | /* Cleanup Vxlan, MPLS and PW tables. */ | |
209 | zebra_vxlan_cleanup_tables(zvrf); | |
210 | zebra_mpls_cleanup_tables(zvrf); | |
211 | zebra_pw_exit(zvrf); | |
212 | ||
996c9314 LB |
213 | /* Remove link-local IPv4 addresses created for BGP unnumbered peering. |
214 | */ | |
9d97533e | 215 | FOR_ALL_INTERFACES (vrf, ifp) |
216 | if_nbr_ipv6ll_to_ipv4ll_neigh_del_all(ifp); | |
217 | ||
218 | /* clean-up work queues */ | |
a310ebc1 | 219 | meta_queue_free(zrouter.mq, zvrf); |
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 | |
246 | assert(zvrf); | |
84915b0a | 247 | if (IS_ZEBRA_DEBUG_EVENT) |
996c9314 LB |
248 | zlog_debug("VRF %s id %u deleted", zvrf_name(zvrf), |
249 | zvrf_id(zvrf)); | |
5a8dfcd8 | 250 | |
49df0815 IR |
251 | table_manager_disable(zvrf); |
252 | ||
d62a17ae | 253 | /* clean-up work queues */ |
a310ebc1 | 254 | meta_queue_free(zrouter.mq, zvrf); |
5a8dfcd8 | 255 | |
84915b0a | 256 | /* Free Vxlan and MPLS. */ |
257 | zebra_vxlan_close_tables(zvrf); | |
258 | zebra_mpls_close_tables(zvrf); | |
259 | ||
d8612e65 DS |
260 | otable = otable_pop(&zvrf->other_tables); |
261 | while (otable) { | |
262 | zebra_router_release_table(zvrf, otable->table_id, | |
263 | otable->afi, otable->safi); | |
264 | XFREE(MTYPE_OTHER_TABLE, otable); | |
265 | ||
266 | otable = otable_pop(&zvrf->other_tables); | |
267 | } | |
268 | ||
84915b0a | 269 | /* Cleanup EVPN states for vrf */ |
b7cfce93 | 270 | zebra_vxlan_vrf_delete(zvrf); |
cda0f501 | 271 | zebra_routemap_vrf_delete(zvrf); |
b7cfce93 | 272 | |
d62a17ae | 273 | list_delete_all_node(zvrf->rid_all_sorted_list); |
274 | list_delete_all_node(zvrf->rid_lo_sorted_list); | |
d8612e65 | 275 | |
cdc09a4b MS |
276 | list_delete_all_node(zvrf->rid6_all_sorted_list); |
277 | list_delete_all_node(zvrf->rid6_lo_sorted_list); | |
278 | ||
d8612e65 | 279 | otable_fini(&zvrf->other_tables); |
d62a17ae | 280 | XFREE(MTYPE_ZEBRA_VRF, zvrf); |
281 | vrf->info = NULL; | |
5a8dfcd8 | 282 | |
d62a17ae | 283 | return 0; |
7c551956 DS |
284 | } |
285 | ||
286 | /* Lookup the routing table in a VRF based on both VRF-Id and table-id. | |
e9748a89 PG |
287 | * NOTE: Table-id is relevant on two modes: |
288 | * - case VRF backend is default : on default VRF only | |
289 | * - case VRF backend is netns : on all VRFs | |
7c551956 | 290 | */ |
c7c0b007 SW |
291 | struct route_table *zebra_vrf_lookup_table_with_table_id(afi_t afi, safi_t safi, |
292 | vrf_id_t vrf_id, | |
293 | uint32_t table_id) | |
7c551956 | 294 | { |
8ab39b7f | 295 | struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id); |
d8612e65 | 296 | struct other_route_table ort, *otable; |
8ab39b7f DS |
297 | |
298 | if (!zvrf) | |
299 | return NULL; | |
d62a17ae | 300 | |
301 | if (afi >= AFI_MAX || safi >= SAFI_MAX) | |
302 | return NULL; | |
303 | ||
8ab39b7f DS |
304 | if (table_id == zvrf->table_id) |
305 | return zebra_vrf_table(afi, safi, vrf_id); | |
d62a17ae | 306 | |
d8612e65 DS |
307 | ort.afi = afi; |
308 | ort.safi = safi; | |
309 | ort.table_id = table_id; | |
310 | otable = otable_find(&zvrf->other_tables, &ort); | |
c7c0b007 | 311 | |
d8612e65 DS |
312 | if (otable) |
313 | return otable->table; | |
314 | ||
c7c0b007 SW |
315 | return NULL; |
316 | } | |
317 | ||
318 | struct route_table *zebra_vrf_get_table_with_table_id(afi_t afi, safi_t safi, | |
319 | vrf_id_t vrf_id, | |
320 | uint32_t table_id) | |
321 | { | |
322 | struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id); | |
323 | struct other_route_table *otable; | |
324 | struct route_table *table; | |
325 | ||
326 | table = zebra_vrf_lookup_table_with_table_id(afi, safi, vrf_id, | |
327 | table_id); | |
328 | ||
329 | if (table) | |
330 | goto done; | |
331 | ||
332 | /* Create it as an `other` table */ | |
d8612e65 DS |
333 | table = zebra_router_get_table(zvrf, table_id, afi, safi); |
334 | ||
335 | otable = XCALLOC(MTYPE_OTHER_TABLE, sizeof(*otable)); | |
336 | otable->afi = afi; | |
337 | otable->safi = safi; | |
338 | otable->table_id = table_id; | |
339 | otable->table = table; | |
340 | otable_add(&zvrf->other_tables, otable); | |
d62a17ae | 341 | |
c7c0b007 | 342 | done: |
d62a17ae | 343 | return table; |
7c551956 DS |
344 | } |
345 | ||
d62a17ae | 346 | static void zebra_rnhtable_node_cleanup(struct route_table *table, |
347 | struct route_node *node) | |
5a8dfcd8 | 348 | { |
d62a17ae | 349 | if (node->info) |
350 | zebra_free_rnh(node->info); | |
5a8dfcd8 RW |
351 | } |
352 | ||
7c551956 DS |
353 | /* |
354 | * Create a routing table for the specific AFI/SAFI in the given VRF. | |
355 | */ | |
d62a17ae | 356 | static void zebra_vrf_table_create(struct zebra_vrf *zvrf, afi_t afi, |
357 | safi_t safi) | |
7c551956 | 358 | { |
c86ba6c2 DS |
359 | struct route_node *rn; |
360 | struct prefix p; | |
361 | ||
d62a17ae | 362 | assert(!zvrf->table[afi][safi]); |
363 | ||
ea66cec4 DS |
364 | zvrf->table[afi][safi] = |
365 | zebra_router_get_table(zvrf, zvrf->table_id, afi, safi); | |
c86ba6c2 DS |
366 | |
367 | memset(&p, 0, sizeof(p)); | |
368 | p.family = afi2family(afi); | |
369 | ||
370 | rn = srcdest_rnode_get(zvrf->table[afi][safi], &p, NULL); | |
371 | zebra_rib_create_dest(rn); | |
7c551956 DS |
372 | } |
373 | ||
374 | /* Allocate new zebra VRF. */ | |
ec64a634 | 375 | struct zebra_vrf *zebra_vrf_alloc(struct vrf *vrf) |
7c551956 | 376 | { |
d62a17ae | 377 | struct zebra_vrf *zvrf; |
d62a17ae | 378 | |
379 | zvrf = XCALLOC(MTYPE_ZEBRA_VRF, sizeof(struct zebra_vrf)); | |
380 | ||
ec64a634 DS |
381 | zvrf->vrf = vrf; |
382 | vrf->info = zvrf; | |
383 | ||
d62a17ae | 384 | zebra_vxlan_init_tables(zvrf); |
385 | zebra_mpls_init_tables(zvrf); | |
6833ae01 | 386 | zebra_pw_init(zvrf); |
e9748a89 PG |
387 | zvrf->table_id = RT_TABLE_MAIN; |
388 | /* by default table ID is default one */ | |
d62a17ae | 389 | return zvrf; |
7c551956 DS |
390 | } |
391 | ||
392 | /* Lookup VRF by identifier. */ | |
d62a17ae | 393 | struct zebra_vrf *zebra_vrf_lookup_by_id(vrf_id_t vrf_id) |
7c551956 | 394 | { |
d62a17ae | 395 | return vrf_info_lookup(vrf_id); |
7c551956 DS |
396 | } |
397 | ||
51bdc5f8 | 398 | /* Lookup VRF by name. */ |
d62a17ae | 399 | struct zebra_vrf *zebra_vrf_lookup_by_name(const char *name) |
871d39b3 | 400 | { |
d62a17ae | 401 | struct vrf *vrf; |
871d39b3 | 402 | |
d62a17ae | 403 | if (!name) |
404 | name = VRF_DEFAULT_NAME; | |
a3d21ef3 | 405 | |
d62a17ae | 406 | vrf = vrf_lookup_by_name(name); |
407 | if (vrf) | |
408 | return ((struct zebra_vrf *)vrf->info); | |
51bdc5f8 | 409 | |
d62a17ae | 410 | return NULL; |
871d39b3 DS |
411 | } |
412 | ||
7c551956 | 413 | /* Lookup the routing table in an enabled VRF. */ |
d62a17ae | 414 | struct route_table *zebra_vrf_table(afi_t afi, safi_t safi, vrf_id_t vrf_id) |
7c551956 | 415 | { |
d62a17ae | 416 | struct zebra_vrf *zvrf = vrf_info_lookup(vrf_id); |
7c551956 | 417 | |
d62a17ae | 418 | if (!zvrf) |
419 | return NULL; | |
7c551956 | 420 | |
d62a17ae | 421 | if (afi >= AFI_MAX || safi >= SAFI_MAX) |
422 | return NULL; | |
7c551956 | 423 | |
d62a17ae | 424 | return zvrf->table[afi][safi]; |
7c551956 DS |
425 | } |
426 | ||
d62a17ae | 427 | static int vrf_config_write(struct vty *vty) |
f30c50b9 | 428 | { |
d62a17ae | 429 | struct vrf *vrf; |
430 | struct zebra_vrf *zvrf; | |
431 | ||
a2addae8 | 432 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { |
d62a17ae | 433 | zvrf = vrf->info; |
1e9f448f DS |
434 | |
435 | if (!zvrf) | |
436 | continue; | |
437 | ||
a5654735 MK |
438 | if (zvrf_id(zvrf) == VRF_DEFAULT) { |
439 | if (zvrf->l3vni) | |
8d0f01f1 CS |
440 | vty_out(vty, "vni %u%s\n", zvrf->l3vni, |
441 | is_l3vni_for_prefix_routes_only( | |
442 | zvrf->l3vni) | |
443 | ? " prefix-routes-only" | |
444 | : ""); | |
5a0bdc78 PG |
445 | if (zvrf->zebra_rnh_ip_default_route) |
446 | vty_out(vty, "ip nht resolve-via-default\n"); | |
447 | ||
448 | if (zvrf->zebra_rnh_ipv6_default_route) | |
449 | vty_out(vty, "ipv6 nht resolve-via-default\n"); | |
42d4b30e PG |
450 | |
451 | if (zvrf->tbl_mgr | |
452 | && (zvrf->tbl_mgr->start || zvrf->tbl_mgr->end)) | |
453 | vty_out(vty, "ip table range %u %u\n", | |
454 | zvrf->tbl_mgr->start, | |
455 | zvrf->tbl_mgr->end); | |
c319e19d QY |
456 | } else { |
457 | vty_frame(vty, "vrf %s\n", zvrf_name(zvrf)); | |
22bd3e94 | 458 | if (zvrf->l3vni) |
996c9314 LB |
459 | vty_out(vty, " vni %u%s\n", zvrf->l3vni, |
460 | is_l3vni_for_prefix_routes_only( | |
461 | zvrf->l3vni) | |
462 | ? " prefix-routes-only" | |
463 | : ""); | |
b95c1883 | 464 | zebra_ns_config_write(vty, (struct ns *)vrf->ns_ctxt); |
5a0bdc78 PG |
465 | if (zvrf->zebra_rnh_ip_default_route) |
466 | vty_out(vty, " ip nht resolve-via-default\n"); | |
467 | ||
468 | if (zvrf->zebra_rnh_ipv6_default_route) | |
469 | vty_out(vty, " ipv6 nht resolve-via-default\n"); | |
42d4b30e PG |
470 | |
471 | if (zvrf->tbl_mgr && vrf_is_backend_netns() | |
472 | && (zvrf->tbl_mgr->start || zvrf->tbl_mgr->end)) | |
473 | vty_out(vty, " ip table range %u %u\n", | |
474 | zvrf->tbl_mgr->start, | |
475 | zvrf->tbl_mgr->end); | |
22bd3e94 | 476 | } |
37728041 | 477 | |
5a0bdc78 | 478 | |
7cf16e19 | 479 | zebra_routemap_config_write_protocol(vty, zvrf); |
03fba42e | 480 | router_id_write(vty, zvrf); |
7cf16e19 | 481 | |
c319e19d | 482 | if (zvrf_id(zvrf) != VRF_DEFAULT) |
07679ad9 | 483 | vty_endframe(vty, "exit-vrf\n!\n"); |
7cf16e19 | 484 | else |
485 | vty_out(vty, "!\n"); | |
d62a17ae | 486 | } |
487 | return 0; | |
f30c50b9 RW |
488 | } |
489 | ||
37cb0475 IR |
490 | DEFPY (vrf_netns, |
491 | vrf_netns_cmd, | |
492 | "netns NAME$netns_name", | |
493 | "Attach VRF to a Namespace\n" | |
494 | "The file name in " NS_RUN_DIR ", or a full pathname\n") | |
495 | { | |
496 | char *pathname = ns_netns_pathname(vty, netns_name); | |
497 | int ret; | |
498 | ||
499 | VTY_DECLVAR_CONTEXT(vrf, vrf); | |
500 | ||
501 | if (!pathname) | |
502 | return CMD_WARNING_CONFIG_FAILED; | |
503 | ||
504 | frr_with_privs(&zserv_privs) { | |
62d89c64 IR |
505 | ret = zebra_vrf_netns_handler_create( |
506 | vty, vrf, pathname, NS_UNKNOWN, NS_UNKNOWN, NS_UNKNOWN); | |
37cb0475 IR |
507 | } |
508 | ||
509 | return ret; | |
510 | } | |
511 | ||
512 | DEFUN (no_vrf_netns, | |
513 | no_vrf_netns_cmd, | |
514 | "no netns [NAME]", | |
515 | NO_STR | |
516 | "Detach VRF from a Namespace\n" | |
517 | "The file name in " NS_RUN_DIR ", or a full pathname\n") | |
518 | { | |
519 | struct ns *ns = NULL; | |
520 | ||
521 | VTY_DECLVAR_CONTEXT(vrf, vrf); | |
522 | ||
523 | if (!vrf_is_backend_netns()) { | |
524 | vty_out(vty, "VRF backend is not Netns. Aborting\n"); | |
525 | return CMD_WARNING_CONFIG_FAILED; | |
526 | } | |
527 | if (!vrf->ns_ctxt) { | |
528 | vty_out(vty, "VRF %s(%u) is not configured with NetNS\n", | |
529 | vrf->name, vrf->vrf_id); | |
530 | return CMD_WARNING_CONFIG_FAILED; | |
531 | } | |
532 | ||
533 | ns = (struct ns *)vrf->ns_ctxt; | |
534 | ||
535 | ns->vrf_ctxt = NULL; | |
536 | vrf_disable(vrf); | |
537 | /* vrf ID from VRF is necessary for Zebra | |
538 | * so that propagate to other clients is done | |
539 | */ | |
540 | ns_delete(ns); | |
541 | vrf->ns_ctxt = NULL; | |
542 | return CMD_SUCCESS; | |
543 | } | |
544 | ||
62d89c64 IR |
545 | /* if ns_id is different and not VRF_UNKNOWN, |
546 | * then update vrf identifier, and enable VRF | |
547 | */ | |
548 | static void vrf_update_vrf_id(ns_id_t ns_id, void *opaqueptr) | |
549 | { | |
550 | ns_id_t vrf_id = (vrf_id_t)ns_id; | |
551 | vrf_id_t old_vrf_id; | |
552 | struct vrf *vrf = (struct vrf *)opaqueptr; | |
553 | ||
554 | if (!vrf) | |
555 | return; | |
556 | old_vrf_id = vrf->vrf_id; | |
557 | if (vrf_id == vrf->vrf_id) | |
558 | return; | |
559 | if (vrf->vrf_id != VRF_UNKNOWN) | |
560 | RB_REMOVE(vrf_id_head, &vrfs_by_id, vrf); | |
561 | vrf->vrf_id = vrf_id; | |
562 | RB_INSERT(vrf_id_head, &vrfs_by_id, vrf); | |
563 | if (old_vrf_id == VRF_UNKNOWN) | |
564 | vrf_enable(vrf); | |
565 | } | |
566 | ||
567 | int zebra_vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, | |
568 | char *pathname, ns_id_t ns_id, | |
569 | ns_id_t internal_ns_id, | |
570 | ns_id_t rel_def_ns_id) | |
571 | { | |
572 | struct ns *ns = NULL; | |
573 | ||
574 | if (!vrf) | |
575 | return CMD_WARNING_CONFIG_FAILED; | |
576 | if (vrf->vrf_id != VRF_UNKNOWN && vrf->ns_ctxt == NULL) { | |
577 | if (vty) | |
578 | vty_out(vty, | |
579 | "VRF %u is already configured with VRF %s\n", | |
580 | vrf->vrf_id, vrf->name); | |
581 | else | |
582 | zlog_info("VRF %u is already configured with VRF %s", | |
583 | vrf->vrf_id, vrf->name); | |
584 | return CMD_WARNING_CONFIG_FAILED; | |
585 | } | |
586 | if (vrf->ns_ctxt != NULL) { | |
587 | ns = (struct ns *)vrf->ns_ctxt; | |
588 | if (!strcmp(ns->name, pathname)) { | |
589 | if (vty) | |
590 | vty_out(vty, | |
591 | "VRF %u already configured with NETNS %s\n", | |
592 | vrf->vrf_id, ns->name); | |
593 | else | |
594 | zlog_info( | |
595 | "VRF %u already configured with NETNS %s", | |
596 | vrf->vrf_id, ns->name); | |
d61e157a | 597 | return CMD_WARNING; |
62d89c64 IR |
598 | } |
599 | } | |
600 | ns = ns_lookup_name(pathname); | |
601 | if (ns && ns->vrf_ctxt) { | |
602 | struct vrf *vrf2 = (struct vrf *)ns->vrf_ctxt; | |
603 | ||
604 | if (vrf2 == vrf) | |
605 | return CMD_SUCCESS; | |
606 | if (vty) | |
607 | vty_out(vty, | |
608 | "NS %s is already configured with VRF %u(%s)\n", | |
609 | ns->name, vrf2->vrf_id, vrf2->name); | |
610 | else | |
611 | zlog_info("NS %s is already configured with VRF %u(%s)", | |
612 | ns->name, vrf2->vrf_id, vrf2->name); | |
613 | return CMD_WARNING_CONFIG_FAILED; | |
614 | } | |
615 | ns = ns_get_created(ns, pathname, ns_id); | |
616 | ns->internal_ns_id = internal_ns_id; | |
617 | ns->relative_default_ns = rel_def_ns_id; | |
618 | ns->vrf_ctxt = (void *)vrf; | |
619 | vrf->ns_ctxt = (void *)ns; | |
620 | /* update VRF netns NAME */ | |
621 | strlcpy(vrf->data.l.netns_name, basename(pathname), NS_NAMSIZ); | |
622 | ||
623 | if (!ns_enable(ns, vrf_update_vrf_id)) { | |
624 | if (vty) | |
625 | vty_out(vty, "Can not associate NS %u with NETNS %s\n", | |
626 | ns->ns_id, ns->name); | |
627 | else | |
628 | zlog_info("Can not associate NS %u with NETNS %s", | |
629 | ns->ns_id, ns->name); | |
630 | return CMD_WARNING_CONFIG_FAILED; | |
631 | } | |
632 | ||
633 | return CMD_SUCCESS; | |
634 | } | |
635 | ||
7c551956 | 636 | /* Zebra VRF initialization. */ |
d62a17ae | 637 | void zebra_vrf_init(void) |
7c551956 | 638 | { |
996c9314 | 639 | vrf_init(zebra_vrf_new, zebra_vrf_enable, zebra_vrf_disable, |
ac2cb9bf | 640 | zebra_vrf_delete); |
7c551956 | 641 | |
903c6fa2 IR |
642 | hook_register(zserv_client_close, release_daemon_table_chunks); |
643 | ||
cfc369c4 | 644 | vrf_cmd_init(vrf_config_write); |
37cb0475 IR |
645 | |
646 | if (vrf_is_backend_netns() && ns_have_netns()) { | |
647 | /* Install NS commands. */ | |
648 | install_element(VRF_NODE, &vrf_netns_cmd); | |
649 | install_element(VRF_NODE, &no_vrf_netns_cmd); | |
650 | } | |
7c551956 | 651 | } |