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Merge pull request #11008 from patrasar/sec_addr_list_pimv6
[mirror_frr.git] / ospf6d / ospf6_interface.c
1 /*
2 * Copyright (C) 2003 Yasuhiro Ohara
3 *
4 * This file is part of GNU Zebra.
5 *
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
9 * later version.
10 *
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <zebra.h>
22
23 #include "memory.h"
24 #include "if.h"
25 #include "log.h"
26 #include "command.h"
27 #include "thread.h"
28 #include "prefix.h"
29 #include "plist.h"
30 #include "zclient.h"
31
32 #include "ospf6_lsa.h"
33 #include "ospf6_lsdb.h"
34 #include "ospf6_top.h"
35 #include "ospf6_network.h"
36 #include "ospf6_message.h"
37 #include "ospf6_route.h"
38 #include "ospf6_area.h"
39 #include "ospf6_abr.h"
40 #include "ospf6_interface.h"
41 #include "ospf6_neighbor.h"
42 #include "ospf6_intra.h"
43 #include "ospf6_spf.h"
44 #include "ospf6d.h"
45 #include "ospf6_bfd.h"
46 #include "ospf6_zebra.h"
47 #include "ospf6_gr.h"
48 #include "lib/json.h"
49 #include "ospf6_proto.h"
50 #include "lib/keychain.h"
51 #include "ospf6_auth_trailer.h"
52
53 DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_IF, "OSPF6 interface");
54 DEFINE_MTYPE(OSPF6D, OSPF6_AUTH_KEYCHAIN, "OSPF6 auth keychain");
55 DEFINE_MTYPE(OSPF6D, OSPF6_AUTH_MANUAL_KEY, "OSPF6 auth key");
56 DEFINE_MTYPE_STATIC(OSPF6D, CFG_PLIST_NAME, "configured prefix list names");
57 DEFINE_QOBJ_TYPE(ospf6_interface);
58 DEFINE_HOOK(ospf6_interface_change,
59 (struct ospf6_interface * oi, int state, int old_state),
60 (oi, state, old_state));
61
62 unsigned char conf_debug_ospf6_interface = 0;
63
64 const char *const ospf6_interface_state_str[] = {
65 "None", "Down", "Loopback", "Waiting", "PointToPoint",
66 "DROther", "BDR", "DR", NULL};
67
68 int ospf6_interface_neighbor_count(struct ospf6_interface *oi)
69 {
70 int count = 0;
71 struct ospf6_neighbor *nbr = NULL;
72 struct listnode *node;
73
74 for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, node, nbr)) {
75 /* Down state is not shown. */
76 if (nbr->state == OSPF6_NEIGHBOR_DOWN)
77 continue;
78 count++;
79 }
80
81 return count;
82 }
83
84 struct ospf6_interface *ospf6_interface_lookup_by_ifindex(ifindex_t ifindex,
85 vrf_id_t vrf_id)
86 {
87 struct ospf6_interface *oi;
88 struct interface *ifp;
89
90 ifp = if_lookup_by_index(ifindex, vrf_id);
91 if (ifp == NULL)
92 return (struct ospf6_interface *)NULL;
93
94 oi = (struct ospf6_interface *)ifp->info;
95 return oi;
96 }
97
98 /* schedule routing table recalculation */
99 static void ospf6_interface_lsdb_hook(struct ospf6_lsa *lsa,
100 unsigned int reason)
101 {
102 struct ospf6_interface *oi;
103
104 if (lsa == NULL)
105 return;
106
107 oi = lsa->lsdb->data;
108 switch (ntohs(lsa->header->type)) {
109 case OSPF6_LSTYPE_LINK:
110 if (oi->state == OSPF6_INTERFACE_DR)
111 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
112 if (oi->area)
113 ospf6_spf_schedule(oi->area->ospf6, reason);
114 break;
115
116 default:
117 break;
118 }
119 }
120
121 static void ospf6_interface_lsdb_hook_add(struct ospf6_lsa *lsa)
122 {
123 ospf6_interface_lsdb_hook(lsa, ospf6_lsadd_to_spf_reason(lsa));
124 }
125
126 static void ospf6_interface_lsdb_hook_remove(struct ospf6_lsa *lsa)
127 {
128 ospf6_interface_lsdb_hook(lsa, ospf6_lsremove_to_spf_reason(lsa));
129 }
130
131 static uint8_t ospf6_default_iftype(struct interface *ifp)
132 {
133 if (if_is_pointopoint(ifp))
134 return OSPF_IFTYPE_POINTOPOINT;
135 else if (if_is_loopback(ifp))
136 return OSPF_IFTYPE_LOOPBACK;
137 else
138 return OSPF_IFTYPE_BROADCAST;
139 }
140
141 static uint32_t ospf6_interface_get_cost(struct ospf6_interface *oi)
142 {
143 /* If all else fails, use default OSPF cost */
144 uint32_t cost;
145 uint32_t bw, refbw;
146 struct ospf6 *ospf6;
147 /* interface speed and bw can be 0 in some platforms,
148 * use ospf default bw. If bw is configured then it would
149 * be used.
150 */
151 if (!oi->interface->bandwidth && oi->interface->speed) {
152 bw = oi->interface->speed;
153 } else {
154 bw = oi->interface->bandwidth ? oi->interface->bandwidth
155 : OSPF6_INTERFACE_BANDWIDTH;
156 }
157
158 ospf6 = oi->interface->vrf->info;
159 refbw = ospf6 ? ospf6->ref_bandwidth : OSPF6_REFERENCE_BANDWIDTH;
160
161 /* A specified ip ospf cost overrides a calculated one. */
162 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
163 cost = oi->cost;
164 else {
165 cost = (uint32_t)((double)refbw / (double)bw + (double)0.5);
166 if (cost < 1)
167 cost = 1;
168 else if (cost > UINT32_MAX)
169 cost = UINT32_MAX;
170 }
171
172 return cost;
173 }
174
175 static void ospf6_interface_force_recalculate_cost(struct ospf6_interface *oi)
176 {
177 /* update cost held in route_connected list in ospf6_interface */
178 ospf6_interface_connected_route_update(oi->interface);
179
180 /* execute LSA hooks */
181 if (oi->area) {
182 OSPF6_LINK_LSA_SCHEDULE(oi);
183 OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
184 OSPF6_NETWORK_LSA_SCHEDULE(oi);
185 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
186 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
187 }
188 }
189
190 static void ospf6_interface_recalculate_cost(struct ospf6_interface *oi)
191 {
192 uint32_t newcost;
193
194 newcost = ospf6_interface_get_cost(oi);
195 if (newcost == oi->cost)
196 return;
197 oi->cost = newcost;
198
199 ospf6_interface_force_recalculate_cost(oi);
200 }
201
202 /* Create new ospf6 interface structure */
203 struct ospf6_interface *ospf6_interface_create(struct interface *ifp)
204 {
205 struct ospf6_interface *oi;
206 unsigned int iobuflen;
207
208 oi = XCALLOC(MTYPE_OSPF6_IF, sizeof(struct ospf6_interface));
209
210 oi->obuf = ospf6_fifo_new();
211
212 oi->area = (struct ospf6_area *)NULL;
213 oi->neighbor_list = list_new();
214 oi->neighbor_list->cmp = ospf6_neighbor_cmp;
215 oi->linklocal_addr = (struct in6_addr *)NULL;
216 oi->instance_id = OSPF6_INTERFACE_INSTANCE_ID;
217 oi->transdelay = OSPF6_INTERFACE_TRANSDELAY;
218 oi->priority = OSPF6_INTERFACE_PRIORITY;
219
220 oi->hello_interval = OSPF_HELLO_INTERVAL_DEFAULT;
221 oi->dead_interval = OSPF_ROUTER_DEAD_INTERVAL_DEFAULT;
222 oi->rxmt_interval = OSPF_RETRANSMIT_INTERVAL_DEFAULT;
223 oi->type = ospf6_default_iftype(ifp);
224 oi->state = OSPF6_INTERFACE_DOWN;
225 oi->flag = 0;
226 oi->mtu_ignore = 0;
227 oi->c_ifmtu = 0;
228
229 /* Try to adjust I/O buffer size with IfMtu */
230 oi->ifmtu = ifp->mtu6;
231 iobuflen = ospf6_iobuf_size(ifp->mtu6);
232 if (oi->ifmtu > iobuflen) {
233 if (IS_OSPF6_DEBUG_INTERFACE)
234 zlog_debug(
235 "Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
236 ifp->name, iobuflen);
237 oi->ifmtu = iobuflen;
238 }
239
240 QOBJ_REG(oi, ospf6_interface);
241
242 oi->lsupdate_list = ospf6_lsdb_create(oi);
243 oi->lsack_list = ospf6_lsdb_create(oi);
244 oi->lsdb = ospf6_lsdb_create(oi);
245 oi->lsdb->hook_add = ospf6_interface_lsdb_hook_add;
246 oi->lsdb->hook_remove = ospf6_interface_lsdb_hook_remove;
247 oi->lsdb_self = ospf6_lsdb_create(oi);
248
249 oi->route_connected =
250 OSPF6_ROUTE_TABLE_CREATE(INTERFACE, CONNECTED_ROUTES);
251 oi->route_connected->scope = oi;
252
253 /* link both */
254 oi->interface = ifp;
255 ifp->info = oi;
256
257 /* Compute cost. */
258 oi->cost = ospf6_interface_get_cost(oi);
259
260 oi->at_data.flags = 0;
261
262 return oi;
263 }
264
265 void ospf6_interface_delete(struct ospf6_interface *oi)
266 {
267 struct listnode *node, *nnode;
268 struct ospf6_neighbor *on;
269
270 QOBJ_UNREG(oi);
271
272 ospf6_fifo_free(oi->obuf);
273
274 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
275 ospf6_neighbor_delete(on);
276
277 list_delete(&oi->neighbor_list);
278
279 THREAD_OFF(oi->thread_send_hello);
280 THREAD_OFF(oi->thread_send_lsupdate);
281 THREAD_OFF(oi->thread_send_lsack);
282 THREAD_OFF(oi->thread_sso);
283 THREAD_OFF(oi->thread_wait_timer);
284
285 ospf6_lsdb_remove_all(oi->lsdb);
286 ospf6_lsdb_remove_all(oi->lsupdate_list);
287 ospf6_lsdb_remove_all(oi->lsack_list);
288
289 ospf6_lsdb_delete(oi->lsdb);
290 ospf6_lsdb_delete(oi->lsdb_self);
291
292 ospf6_lsdb_delete(oi->lsupdate_list);
293 ospf6_lsdb_delete(oi->lsack_list);
294
295 ospf6_route_table_delete(oi->route_connected);
296
297 /* cut link */
298 oi->interface->info = NULL;
299
300 /* plist_name */
301 if (oi->plist_name)
302 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
303
304 /* disable from area list if possible */
305 ospf6_area_interface_delete(oi);
306
307 /* Free BFD allocated data. */
308 XFREE(MTYPE_TMP, oi->bfd_config.profile);
309
310 XFREE(MTYPE_OSPF6_IF, oi);
311 }
312
313 void ospf6_interface_enable(struct ospf6_interface *oi)
314 {
315 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
316 ospf6_interface_state_update(oi->interface);
317 }
318
319 void ospf6_interface_disable(struct ospf6_interface *oi)
320 {
321 SET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
322
323 thread_execute(master, interface_down, oi, 0);
324
325 ospf6_lsdb_remove_all(oi->lsdb);
326 ospf6_lsdb_remove_all(oi->lsdb_self);
327 ospf6_lsdb_remove_all(oi->lsupdate_list);
328 ospf6_lsdb_remove_all(oi->lsack_list);
329
330 THREAD_OFF(oi->thread_send_hello);
331 THREAD_OFF(oi->thread_send_lsupdate);
332 THREAD_OFF(oi->thread_send_lsack);
333 THREAD_OFF(oi->thread_sso);
334
335 THREAD_OFF(oi->thread_network_lsa);
336 THREAD_OFF(oi->thread_link_lsa);
337 THREAD_OFF(oi->thread_intra_prefix_lsa);
338 THREAD_OFF(oi->thread_as_extern_lsa);
339 THREAD_OFF(oi->thread_wait_timer);
340 }
341
342 static struct in6_addr *
343 ospf6_interface_get_linklocal_address(struct interface *ifp)
344 {
345 struct listnode *n;
346 struct connected *c;
347 struct in6_addr *l = (struct in6_addr *)NULL;
348
349 /* for each connected address */
350 for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) {
351 /* if family not AF_INET6, ignore */
352 if (c->address->family != AF_INET6)
353 continue;
354
355 /* linklocal scope check */
356 if (IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6))
357 l = &c->address->u.prefix6;
358 }
359 return l;
360 }
361
362 void ospf6_interface_state_update(struct interface *ifp)
363 {
364 struct ospf6_interface *oi;
365 unsigned int iobuflen;
366
367 oi = (struct ospf6_interface *)ifp->info;
368 if (oi == NULL)
369 return;
370 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
371 return;
372
373 /* Adjust the mtu values if the kernel told us something new */
374 if (ifp->mtu6 != oi->ifmtu) {
375 /* If nothing configured, accept it and check for buffer size */
376 if (!oi->c_ifmtu) {
377 oi->ifmtu = ifp->mtu6;
378 iobuflen = ospf6_iobuf_size(ifp->mtu6);
379 if (oi->ifmtu > iobuflen) {
380 if (IS_OSPF6_DEBUG_INTERFACE)
381 zlog_debug(
382 "Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
383 ifp->name, iobuflen);
384 oi->ifmtu = iobuflen;
385 }
386 } else if (oi->c_ifmtu > ifp->mtu6) {
387 oi->ifmtu = ifp->mtu6;
388 zlog_warn(
389 "Configured mtu %u on %s overridden by kernel %u",
390 oi->c_ifmtu, ifp->name, ifp->mtu6);
391 } else
392 oi->ifmtu = oi->c_ifmtu;
393 }
394
395 if (if_is_operative(ifp)
396 && (ospf6_interface_get_linklocal_address(oi->interface)
397 || if_is_loopback(oi->interface)))
398 thread_execute(master, interface_up, oi, 0);
399 else
400 thread_execute(master, interface_down, oi, 0);
401
402 return;
403 }
404
405 void ospf6_interface_connected_route_update(struct interface *ifp)
406 {
407 struct ospf6_interface *oi;
408 struct ospf6_route *route;
409 struct connected *c;
410 struct listnode *node, *nnode;
411 struct in6_addr nh_addr;
412
413 oi = (struct ospf6_interface *)ifp->info;
414 if (oi == NULL)
415 return;
416
417 /* reset linklocal pointer */
418 oi->linklocal_addr = ospf6_interface_get_linklocal_address(ifp);
419
420 /* if area is null, do not make connected-route list */
421 if (oi->area == NULL)
422 return;
423
424 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
425 return;
426
427 /* update "route to advertise" interface route table */
428 ospf6_route_remove_all(oi->route_connected);
429
430 for (ALL_LIST_ELEMENTS(oi->interface->connected, node, nnode, c)) {
431 if (c->address->family != AF_INET6)
432 continue;
433
434 CONTINUE_IF_ADDRESS_LINKLOCAL(IS_OSPF6_DEBUG_INTERFACE,
435 c->address);
436 CONTINUE_IF_ADDRESS_UNSPECIFIED(IS_OSPF6_DEBUG_INTERFACE,
437 c->address);
438 CONTINUE_IF_ADDRESS_LOOPBACK(IS_OSPF6_DEBUG_INTERFACE,
439 c->address);
440 CONTINUE_IF_ADDRESS_V4COMPAT(IS_OSPF6_DEBUG_INTERFACE,
441 c->address);
442 CONTINUE_IF_ADDRESS_V4MAPPED(IS_OSPF6_DEBUG_INTERFACE,
443 c->address);
444
445 /* apply filter */
446 if (oi->plist_name) {
447 struct prefix_list *plist;
448 enum prefix_list_type ret;
449
450 plist = prefix_list_lookup(AFI_IP6, oi->plist_name);
451 ret = prefix_list_apply(plist, (void *)c->address);
452 if (ret == PREFIX_DENY) {
453 if (IS_OSPF6_DEBUG_INTERFACE)
454 zlog_debug(
455 "%pFX on %s filtered by prefix-list %s ",
456 c->address, oi->interface->name,
457 oi->plist_name);
458 continue;
459 }
460 }
461
462 route = ospf6_route_create(oi->area->ospf6);
463 memcpy(&route->prefix, c->address, sizeof(struct prefix));
464 apply_mask(&route->prefix);
465 route->type = OSPF6_DEST_TYPE_NETWORK;
466 route->path.area_id = oi->area->area_id;
467 route->path.type = OSPF6_PATH_TYPE_INTRA;
468 route->path.cost = oi->cost;
469 inet_pton(AF_INET6, "::1", &nh_addr);
470 ospf6_route_add_nexthop(route, oi->interface->ifindex,
471 &nh_addr);
472 ospf6_route_add(route, oi->route_connected);
473 }
474
475 /* create new Link-LSA */
476 OSPF6_LINK_LSA_SCHEDULE(oi);
477 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
478 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
479 }
480
481 static int ospf6_interface_state_change(uint8_t next_state,
482 struct ospf6_interface *oi)
483 {
484 uint8_t prev_state;
485 struct ospf6 *ospf6;
486
487 prev_state = oi->state;
488 oi->state = next_state;
489
490 if (prev_state == next_state)
491 return -1;
492
493 if (!oi->area)
494 return -1;
495
496 /* log */
497 if (IS_OSPF6_DEBUG_INTERFACE) {
498 zlog_debug("Interface state change %s: %s -> %s",
499 oi->interface->name,
500 ospf6_interface_state_str[prev_state],
501 ospf6_interface_state_str[next_state]);
502 }
503 oi->state_change++;
504
505 ospf6 = oi->area->ospf6;
506
507 if ((prev_state == OSPF6_INTERFACE_DR
508 || prev_state == OSPF6_INTERFACE_BDR)
509 && (next_state != OSPF6_INTERFACE_DR
510 && next_state != OSPF6_INTERFACE_BDR))
511 ospf6_sso(oi->interface->ifindex, &alldrouters6,
512 IPV6_LEAVE_GROUP, ospf6->fd);
513
514 if ((prev_state != OSPF6_INTERFACE_DR
515 && prev_state != OSPF6_INTERFACE_BDR)
516 && (next_state == OSPF6_INTERFACE_DR
517 || next_state == OSPF6_INTERFACE_BDR))
518 ospf6_sso(oi->interface->ifindex, &alldrouters6,
519 IPV6_JOIN_GROUP, ospf6->fd);
520
521 OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
522 OSPF6_LINK_LSA_SCHEDULE(oi);
523 if (next_state == OSPF6_INTERFACE_DOWN) {
524 OSPF6_NETWORK_LSA_EXECUTE(oi);
525 OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
526 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
527 OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
528 } else if (prev_state == OSPF6_INTERFACE_DR
529 || next_state == OSPF6_INTERFACE_DR) {
530 OSPF6_NETWORK_LSA_SCHEDULE(oi);
531 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
532 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
533 }
534
535 hook_call(ospf6_interface_change, oi, next_state, prev_state);
536
537 return 0;
538 }
539
540
541 /* DR Election, RFC2328 section 9.4 */
542
543 #define IS_ELIGIBLE(n) \
544 ((n)->state >= OSPF6_NEIGHBOR_TWOWAY && (n)->priority != 0)
545
546 static struct ospf6_neighbor *better_bdrouter(struct ospf6_neighbor *a,
547 struct ospf6_neighbor *b)
548 {
549 if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
550 && (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id))
551 return NULL;
552 else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
553 return b;
554 else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id)
555 return a;
556
557 if (a->bdrouter == a->router_id && b->bdrouter != b->router_id)
558 return a;
559 if (a->bdrouter != a->router_id && b->bdrouter == b->router_id)
560 return b;
561
562 if (a->priority > b->priority)
563 return a;
564 if (a->priority < b->priority)
565 return b;
566
567 if (ntohl(a->router_id) > ntohl(b->router_id))
568 return a;
569 if (ntohl(a->router_id) < ntohl(b->router_id))
570 return b;
571
572 zlog_warn("Router-ID duplicate ?");
573 return a;
574 }
575
576 static struct ospf6_neighbor *better_drouter(struct ospf6_neighbor *a,
577 struct ospf6_neighbor *b)
578 {
579 if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
580 && (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id))
581 return NULL;
582 else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
583 return b;
584 else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id)
585 return a;
586
587 if (a->drouter == a->router_id && b->drouter != b->router_id)
588 return a;
589 if (a->drouter != a->router_id && b->drouter == b->router_id)
590 return b;
591
592 if (a->priority > b->priority)
593 return a;
594 if (a->priority < b->priority)
595 return b;
596
597 if (ntohl(a->router_id) > ntohl(b->router_id))
598 return a;
599 if (ntohl(a->router_id) < ntohl(b->router_id))
600 return b;
601
602 zlog_warn("Router-ID duplicate ?");
603 return a;
604 }
605
606 uint8_t dr_election(struct ospf6_interface *oi)
607 {
608 struct listnode *node, *nnode;
609 struct ospf6_neighbor *on, *drouter, *bdrouter, myself;
610 struct ospf6_neighbor *best_drouter, *best_bdrouter;
611 uint8_t next_state = 0;
612
613 drouter = bdrouter = NULL;
614 best_drouter = best_bdrouter = NULL;
615
616 /* pseudo neighbor myself, including noting current DR/BDR (1) */
617 memset(&myself, 0, sizeof(myself));
618 inet_ntop(AF_INET, &oi->area->ospf6->router_id, myself.name,
619 sizeof(myself.name));
620 myself.state = OSPF6_NEIGHBOR_TWOWAY;
621 myself.drouter = oi->drouter;
622 myself.bdrouter = oi->bdrouter;
623 myself.priority = oi->priority;
624 myself.router_id = oi->area->ospf6->router_id;
625
626 /* Electing BDR (2) */
627 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
628 bdrouter = better_bdrouter(bdrouter, on);
629
630 best_bdrouter = bdrouter;
631 bdrouter = better_bdrouter(best_bdrouter, &myself);
632
633 /* Electing DR (3) */
634 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
635 drouter = better_drouter(drouter, on);
636
637 best_drouter = drouter;
638 drouter = better_drouter(best_drouter, &myself);
639 if (drouter == NULL)
640 drouter = bdrouter;
641
642 /* the router itself is newly/no longer DR/BDR (4) */
643 if ((drouter == &myself && myself.drouter != myself.router_id)
644 || (drouter != &myself && myself.drouter == myself.router_id)
645 || (bdrouter == &myself && myself.bdrouter != myself.router_id)
646 || (bdrouter != &myself && myself.bdrouter == myself.router_id)) {
647 myself.drouter = (drouter ? drouter->router_id : htonl(0));
648 myself.bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
649
650 /* compatible to Electing BDR (2) */
651 bdrouter = better_bdrouter(best_bdrouter, &myself);
652
653 /* compatible to Electing DR (3) */
654 drouter = better_drouter(best_drouter, &myself);
655 if (drouter == NULL)
656 drouter = bdrouter;
657 }
658
659 /* Set interface state accordingly (5) */
660 if (drouter && drouter == &myself)
661 next_state = OSPF6_INTERFACE_DR;
662 else if (bdrouter && bdrouter == &myself)
663 next_state = OSPF6_INTERFACE_BDR;
664 else
665 next_state = OSPF6_INTERFACE_DROTHER;
666
667 /* If NBMA, schedule Start for each neighbor having priority of 0 (6) */
668 /* XXX */
669
670 /* If DR or BDR change, invoke AdjOK? for each neighbor (7) */
671 /* RFC 2328 section 12.4. Originating LSAs (3) will be handled
672 accordingly after AdjOK */
673 if (oi->drouter != (drouter ? drouter->router_id : htonl(0))
674 || oi->bdrouter != (bdrouter ? bdrouter->router_id : htonl(0))) {
675 if (IS_OSPF6_DEBUG_INTERFACE)
676 zlog_debug("DR Election on %s: DR: %s BDR: %s",
677 oi->interface->name,
678 (drouter ? drouter->name : "0.0.0.0"),
679 (bdrouter ? bdrouter->name : "0.0.0.0"));
680
681 for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, node, on)) {
682 if (on->state < OSPF6_NEIGHBOR_TWOWAY)
683 continue;
684 /* Schedule AdjOK. */
685 thread_add_event(master, adj_ok, on, 0,
686 &on->thread_adj_ok);
687 }
688 }
689
690 oi->drouter = (drouter ? drouter->router_id : htonl(0));
691 oi->bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
692 return next_state;
693 }
694
695 #ifdef __FreeBSD__
696
697 #include <ifaddrs.h>
698
699 static bool ifmaddr_check(ifindex_t ifindex, struct in6_addr *addr)
700 {
701 struct ifmaddrs *ifmap, *ifma;
702 struct sockaddr_dl *sdl;
703 struct sockaddr_in6 *sin6;
704 bool found = false;
705
706 if (getifmaddrs(&ifmap) != 0)
707 return false;
708
709 for (ifma = ifmap; ifma; ifma = ifma->ifma_next) {
710 if (ifma->ifma_name == NULL || ifma->ifma_addr == NULL)
711 continue;
712 if (ifma->ifma_name->sa_family != AF_LINK)
713 continue;
714 if (ifma->ifma_addr->sa_family != AF_INET6)
715 continue;
716 sdl = (struct sockaddr_dl *)ifma->ifma_name;
717 sin6 = (struct sockaddr_in6 *)ifma->ifma_addr;
718 if (sdl->sdl_index == ifindex
719 && memcmp(&sin6->sin6_addr, addr, IPV6_MAX_BYTELEN) == 0) {
720 found = true;
721 break;
722 }
723 }
724
725 if (ifmap)
726 freeifmaddrs(ifmap);
727
728 return found;
729 }
730
731 #endif /* __FreeBSD__ */
732
733 /* Interface State Machine */
734 void interface_up(struct thread *thread)
735 {
736 struct ospf6_interface *oi;
737 struct ospf6 *ospf6;
738
739 oi = (struct ospf6_interface *)THREAD_ARG(thread);
740 assert(oi && oi->interface);
741
742 if (!oi->type_cfg)
743 oi->type = ospf6_default_iftype(oi->interface);
744
745 thread_cancel(&oi->thread_sso);
746
747 if (IS_OSPF6_DEBUG_INTERFACE)
748 zlog_debug("Interface Event %s: [InterfaceUp]",
749 oi->interface->name);
750
751 /* check physical interface is up */
752 if (!if_is_operative(oi->interface)) {
753 zlog_warn("Interface %s is down, can't execute [InterfaceUp]",
754 oi->interface->name);
755 return;
756 }
757
758 /* check interface has a link-local address */
759 if (!(ospf6_interface_get_linklocal_address(oi->interface)
760 || if_is_loopback(oi->interface))) {
761 zlog_warn(
762 "Interface %s has no link local address, can't execute [InterfaceUp]",
763 oi->interface->name);
764 return;
765 }
766
767 /* Recompute cost */
768 ospf6_interface_recalculate_cost(oi);
769
770 /* if already enabled, do nothing */
771 if (oi->state > OSPF6_INTERFACE_DOWN) {
772 if (IS_OSPF6_DEBUG_INTERFACE)
773 zlog_debug("Interface %s already enabled",
774 oi->interface->name);
775 return;
776 }
777
778 /* If no area assigned, return */
779 if (oi->area == NULL) {
780 zlog_warn(
781 "%s: Not scheduling Hello for %s as there is no area assigned yet",
782 __func__, oi->interface->name);
783 return;
784 }
785
786 #ifdef __FreeBSD__
787 /*
788 * There's a delay in FreeBSD between issuing a command to leave a
789 * multicast group and an actual leave. If we execute "no router ospf6"
790 * and "router ospf6" fast enough, we can end up in a situation when OS
791 * performs the leave later than it performs the join and the interface
792 * remains without a multicast group. We have to do the join only after
793 * the interface actually left the group.
794 */
795 if (ifmaddr_check(oi->interface->ifindex, &allspfrouters6)) {
796 zlog_info(
797 "Interface %s is still in all routers group, rescheduling for SSO",
798 oi->interface->name);
799 thread_add_timer(master, interface_up, oi,
800 OSPF6_INTERFACE_SSO_RETRY_INT,
801 &oi->thread_sso);
802 return;
803 }
804 #endif /* __FreeBSD__ */
805
806 ospf6 = oi->area->ospf6;
807
808 /* Join AllSPFRouters */
809 if (ospf6_sso(oi->interface->ifindex, &allspfrouters6, IPV6_JOIN_GROUP,
810 ospf6->fd)
811 < 0) {
812 if (oi->sso_try_cnt++ < OSPF6_INTERFACE_SSO_RETRY_MAX) {
813 zlog_info(
814 "Scheduling %s for sso retry, trial count: %d",
815 oi->interface->name, oi->sso_try_cnt);
816 thread_add_timer(master, interface_up, oi,
817 OSPF6_INTERFACE_SSO_RETRY_INT,
818 &oi->thread_sso);
819 }
820 return;
821 }
822 oi->sso_try_cnt = 0; /* Reset on success */
823
824 /* Update interface route */
825 ospf6_interface_connected_route_update(oi->interface);
826
827 /* Schedule Hello */
828 if (!CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE)
829 && !if_is_loopback(oi->interface)) {
830 thread_add_timer(master, ospf6_hello_send, oi, 0,
831 &oi->thread_send_hello);
832 }
833
834 /* decide next interface state */
835 if (oi->type == OSPF_IFTYPE_LOOPBACK) {
836 ospf6_interface_state_change(OSPF6_INTERFACE_LOOPBACK, oi);
837 } else if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
838 ospf6_interface_state_change(OSPF6_INTERFACE_POINTTOPOINT, oi);
839 } else if (oi->priority == 0)
840 ospf6_interface_state_change(OSPF6_INTERFACE_DROTHER, oi);
841 else {
842 ospf6_interface_state_change(OSPF6_INTERFACE_WAITING, oi);
843 thread_add_timer(master, wait_timer, oi, oi->dead_interval,
844 &oi->thread_wait_timer);
845 }
846 }
847
848 void wait_timer(struct thread *thread)
849 {
850 struct ospf6_interface *oi;
851
852 oi = (struct ospf6_interface *)THREAD_ARG(thread);
853 assert(oi && oi->interface);
854
855 if (IS_OSPF6_DEBUG_INTERFACE)
856 zlog_debug("Interface Event %s: [WaitTimer]",
857 oi->interface->name);
858
859 if (oi->state == OSPF6_INTERFACE_WAITING)
860 ospf6_interface_state_change(dr_election(oi), oi);
861 }
862
863 void backup_seen(struct thread *thread)
864 {
865 struct ospf6_interface *oi;
866
867 oi = (struct ospf6_interface *)THREAD_ARG(thread);
868 assert(oi && oi->interface);
869
870 if (IS_OSPF6_DEBUG_INTERFACE)
871 zlog_debug("Interface Event %s: [BackupSeen]",
872 oi->interface->name);
873
874 if (oi->state == OSPF6_INTERFACE_WAITING)
875 ospf6_interface_state_change(dr_election(oi), oi);
876 }
877
878 void neighbor_change(struct thread *thread)
879 {
880 struct ospf6_interface *oi;
881
882 oi = (struct ospf6_interface *)THREAD_ARG(thread);
883 assert(oi && oi->interface);
884
885 if (IS_OSPF6_DEBUG_INTERFACE)
886 zlog_debug("Interface Event %s: [NeighborChange]",
887 oi->interface->name);
888
889 if (oi->state == OSPF6_INTERFACE_DROTHER
890 || oi->state == OSPF6_INTERFACE_BDR
891 || oi->state == OSPF6_INTERFACE_DR)
892 ospf6_interface_state_change(dr_election(oi), oi);
893 }
894
895 void interface_down(struct thread *thread)
896 {
897 struct ospf6_interface *oi;
898 struct listnode *node, *nnode;
899 struct ospf6_neighbor *on;
900 struct ospf6 *ospf6;
901
902 oi = (struct ospf6_interface *)THREAD_ARG(thread);
903 assert(oi && oi->interface);
904
905 if (IS_OSPF6_DEBUG_INTERFACE)
906 zlog_debug("Interface Event %s: [InterfaceDown]",
907 oi->interface->name);
908
909 /* Stop Hellos */
910 THREAD_OFF(oi->thread_send_hello);
911
912 /* Stop trying to set socket options. */
913 THREAD_OFF(oi->thread_sso);
914
915 /* Cease the HELPER role for all the neighbours
916 * of this interface.
917 */
918 if (ospf6_interface_neighbor_count(oi)) {
919 struct listnode *ln;
920 struct ospf6_neighbor *nbr = NULL;
921
922 for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, ln, nbr))
923 ospf6_gr_helper_exit(nbr, OSPF6_GR_HELPER_TOPO_CHG);
924 }
925
926 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
927 ospf6_neighbor_delete(on);
928
929 list_delete_all_node(oi->neighbor_list);
930
931 /* When interface state is reset, also reset information about
932 * DR election, as it is no longer valid. */
933 oi->drouter = oi->prev_drouter = htonl(0);
934 oi->bdrouter = oi->prev_bdrouter = htonl(0);
935
936 if (oi->area == NULL)
937 return;
938
939 ospf6 = oi->area->ospf6;
940 /* Leave AllSPFRouters */
941 if (oi->state > OSPF6_INTERFACE_DOWN)
942 ospf6_sso(oi->interface->ifindex, &allspfrouters6,
943 IPV6_LEAVE_GROUP, ospf6->fd);
944
945 /* deal with write fifo */
946 ospf6_fifo_flush(oi->obuf);
947 if (oi->on_write_q) {
948 listnode_delete(ospf6->oi_write_q, oi);
949 if (list_isempty(ospf6->oi_write_q))
950 thread_cancel(&ospf6->t_write);
951 oi->on_write_q = 0;
952 }
953
954 ospf6_interface_state_change(OSPF6_INTERFACE_DOWN, oi);
955 }
956
957
958 static const char *ospf6_iftype_str(uint8_t iftype)
959 {
960 switch (iftype) {
961 case OSPF_IFTYPE_LOOPBACK:
962 return "LOOPBACK";
963 case OSPF_IFTYPE_BROADCAST:
964 return "BROADCAST";
965 case OSPF_IFTYPE_POINTOPOINT:
966 return "POINTOPOINT";
967 }
968 return "UNKNOWN";
969 }
970
971 #if CONFDATE > 20220709
972 CPP_NOTICE("Time to remove ospf6Enabled from JSON output")
973 #endif
974
975 /* show specified interface structure */
976 static int ospf6_interface_show(struct vty *vty, struct interface *ifp,
977 json_object *json_obj, bool use_json)
978 {
979 struct ospf6_interface *oi;
980 struct connected *c;
981 struct prefix *p;
982 struct listnode *i;
983 char strbuf[PREFIX2STR_BUFFER], drouter[32], bdrouter[32];
984 uint8_t default_iftype;
985 struct timeval res, now;
986 char duration[32];
987 struct ospf6_lsa *lsa, *lsanext;
988 json_object *json_arr;
989 json_object *json_addr;
990 struct json_object *json_auth = NULL;
991
992 default_iftype = ospf6_default_iftype(ifp);
993
994 if (use_json) {
995 json_object_string_add(json_obj, "status",
996 (if_is_operative(ifp) ? "up" : "down"));
997 json_object_string_add(json_obj, "type",
998 ospf6_iftype_str(default_iftype));
999 json_object_int_add(json_obj, "interfaceId", ifp->ifindex);
1000
1001 if (ifp->info == NULL) {
1002 json_object_boolean_false_add(json_obj, "ospf6Enabled");
1003 return 0;
1004 }
1005 json_object_boolean_true_add(json_obj, "ospf6Enabled");
1006
1007 oi = (struct ospf6_interface *)ifp->info;
1008
1009 if (if_is_operative(ifp) && oi->type != default_iftype)
1010 json_object_string_add(json_obj, "operatingAsType",
1011 ospf6_iftype_str(oi->type));
1012
1013 } else {
1014 vty_out(vty, "%s is %s, type %s\n", ifp->name,
1015 (if_is_operative(ifp) ? "up" : "down"),
1016 ospf6_iftype_str(default_iftype));
1017 vty_out(vty, " Interface ID: %d\n", ifp->ifindex);
1018
1019 if (ifp->info == NULL) {
1020 vty_out(vty, " OSPF not enabled on this interface\n");
1021 return 0;
1022 }
1023 oi = (struct ospf6_interface *)ifp->info;
1024
1025 if (if_is_operative(ifp) && oi->type != default_iftype)
1026 vty_out(vty, " Operating as type %s\n",
1027 ospf6_iftype_str(oi->type));
1028 }
1029
1030 if (use_json) {
1031 json_arr = json_object_new_array();
1032 for (ALL_LIST_ELEMENTS_RO(ifp->connected, i, c)) {
1033 json_addr = json_object_new_object();
1034 p = c->address;
1035 prefix2str(p, strbuf, sizeof(strbuf));
1036 switch (p->family) {
1037 case AF_INET:
1038 json_object_string_add(json_addr, "type",
1039 "inet");
1040 json_object_string_add(json_addr, "address",
1041 strbuf);
1042 json_object_array_add(json_arr, json_addr);
1043 break;
1044 case AF_INET6:
1045 json_object_string_add(json_addr, "type",
1046 "inet6");
1047 json_object_string_add(json_addr, "address",
1048 strbuf);
1049 json_object_array_add(json_arr, json_addr);
1050 break;
1051 default:
1052 json_object_string_add(json_addr, "type",
1053 "unknown");
1054 json_object_string_add(json_addr, "address",
1055 strbuf);
1056 json_object_array_add(json_arr, json_addr);
1057 break;
1058 }
1059 }
1060 json_object_object_add(json_obj, "internetAddress", json_arr);
1061 } else {
1062 vty_out(vty, " Internet Address:\n");
1063
1064 for (ALL_LIST_ELEMENTS_RO(ifp->connected, i, c)) {
1065 p = c->address;
1066 prefix2str(p, strbuf, sizeof(strbuf));
1067 switch (p->family) {
1068 case AF_INET:
1069 vty_out(vty, " inet : %pFX\n", p);
1070 break;
1071 case AF_INET6:
1072 vty_out(vty, " inet6: %pFX\n", p);
1073 break;
1074 default:
1075 vty_out(vty, " ??? : %pFX\n", p);
1076 break;
1077 }
1078 }
1079 }
1080
1081 if (use_json) {
1082 if (oi->area) {
1083 json_object_boolean_true_add(json_obj,
1084 "attachedToArea");
1085 json_object_int_add(json_obj, "instanceId",
1086 oi->instance_id);
1087 json_object_int_add(json_obj, "interfaceMtu",
1088 oi->ifmtu);
1089 json_object_int_add(json_obj, "autoDetect", ifp->mtu6);
1090 json_object_string_add(json_obj, "mtuMismatchDetection",
1091 oi->mtu_ignore ? "disabled"
1092 : "enabled");
1093 inet_ntop(AF_INET, &oi->area->area_id, strbuf,
1094 sizeof(strbuf));
1095 json_object_string_add(json_obj, "areaId", strbuf);
1096 json_object_int_add(json_obj, "cost", oi->cost);
1097 } else
1098 json_object_boolean_false_add(json_obj,
1099 "attachedToArea");
1100
1101 } else {
1102 if (oi->area) {
1103 vty_out(vty,
1104 " Instance ID %d, Interface MTU %d (autodetect: %d)\n",
1105 oi->instance_id, oi->ifmtu, ifp->mtu6);
1106 vty_out(vty, " MTU mismatch detection: %s\n",
1107 oi->mtu_ignore ? "disabled" : "enabled");
1108 inet_ntop(AF_INET, &oi->area->area_id, strbuf,
1109 sizeof(strbuf));
1110 vty_out(vty, " Area ID %s, Cost %u\n", strbuf,
1111 oi->cost);
1112 } else
1113 vty_out(vty, " Not Attached to Area\n");
1114 }
1115
1116 if (use_json) {
1117 json_object_string_add(json_obj, "ospf6InterfaceState",
1118 ospf6_interface_state_str[oi->state]);
1119 json_object_int_add(json_obj, "transmitDelaySec",
1120 oi->transdelay);
1121 json_object_int_add(json_obj, "priority", oi->priority);
1122 json_object_int_add(json_obj, "timerIntervalsConfigHello",
1123 oi->hello_interval);
1124 json_object_int_add(json_obj, "timerIntervalsConfigDead",
1125 oi->dead_interval);
1126 json_object_int_add(json_obj, "timerIntervalsConfigRetransmit",
1127 oi->rxmt_interval);
1128 } else {
1129 vty_out(vty, " State %s, Transmit Delay %d sec, Priority %d\n",
1130 ospf6_interface_state_str[oi->state], oi->transdelay,
1131 oi->priority);
1132 vty_out(vty, " Timer intervals configured:\n");
1133 vty_out(vty, " Hello %d(%pTHd), Dead %d, Retransmit %d\n",
1134 oi->hello_interval, oi->thread_send_hello,
1135 oi->dead_interval, oi->rxmt_interval);
1136 }
1137
1138 inet_ntop(AF_INET, &oi->drouter, drouter, sizeof(drouter));
1139 inet_ntop(AF_INET, &oi->bdrouter, bdrouter, sizeof(bdrouter));
1140 if (use_json) {
1141 json_object_string_add(json_obj, "dr", drouter);
1142 json_object_string_add(json_obj, "bdr", bdrouter);
1143 json_object_int_add(json_obj, "numberOfInterfaceScopedLsa",
1144 oi->lsdb->count);
1145 } else {
1146 vty_out(vty, " DR: %s BDR: %s\n", drouter, bdrouter);
1147 vty_out(vty, " Number of I/F scoped LSAs is %u\n",
1148 oi->lsdb->count);
1149 }
1150
1151 monotime(&now);
1152
1153 if (use_json) {
1154 timerclear(&res);
1155 if (oi->thread_send_lsupdate)
1156 timersub(&oi->thread_send_lsupdate->u.sands, &now,
1157 &res);
1158 timerstring(&res, duration, sizeof(duration));
1159 json_object_int_add(json_obj, "pendingLsaLsUpdateCount",
1160 oi->lsupdate_list->count);
1161 json_object_string_add(json_obj, "pendingLsaLsUpdateTime",
1162 duration);
1163 json_object_string_add(
1164 json_obj, "lsUpdateSendThread",
1165 (oi->thread_send_lsupdate ? "on" : "off"));
1166
1167 json_arr = json_object_new_array();
1168 for (ALL_LSDB(oi->lsupdate_list, lsa, lsanext))
1169 json_object_array_add(
1170 json_arr, json_object_new_string(lsa->name));
1171 json_object_object_add(json_obj, "pendingLsaLsUpdate",
1172 json_arr);
1173
1174 timerclear(&res);
1175 if (oi->thread_send_lsack)
1176 timersub(&oi->thread_send_lsack->u.sands, &now, &res);
1177 timerstring(&res, duration, sizeof(duration));
1178
1179 json_object_int_add(json_obj, "pendingLsaLsAckCount",
1180 oi->lsack_list->count);
1181 json_object_string_add(json_obj, "pendingLsaLsAckTime",
1182 duration);
1183 json_object_string_add(json_obj, "lsAckSendThread",
1184 (oi->thread_send_lsack ? "on" : "off"));
1185
1186 json_arr = json_object_new_array();
1187 for (ALL_LSDB(oi->lsack_list, lsa, lsanext))
1188 json_object_array_add(
1189 json_arr, json_object_new_string(lsa->name));
1190 json_object_object_add(json_obj, "pendingLsaLsAck", json_arr);
1191
1192 } else {
1193 timerclear(&res);
1194 if (oi->thread_send_lsupdate)
1195 timersub(&oi->thread_send_lsupdate->u.sands, &now,
1196 &res);
1197 timerstring(&res, duration, sizeof(duration));
1198 vty_out(vty,
1199 " %d Pending LSAs for LSUpdate in Time %s [thread %s]\n",
1200 oi->lsupdate_list->count, duration,
1201 (oi->thread_send_lsupdate ? "on" : "off"));
1202 for (ALL_LSDB(oi->lsupdate_list, lsa, lsanext))
1203 vty_out(vty, " %s\n", lsa->name);
1204
1205 timerclear(&res);
1206 if (oi->thread_send_lsack)
1207 timersub(&oi->thread_send_lsack->u.sands, &now, &res);
1208 timerstring(&res, duration, sizeof(duration));
1209 vty_out(vty,
1210 " %d Pending LSAs for LSAck in Time %s [thread %s]\n",
1211 oi->lsack_list->count, duration,
1212 (oi->thread_send_lsack ? "on" : "off"));
1213 for (ALL_LSDB(oi->lsack_list, lsa, lsanext))
1214 vty_out(vty, " %s\n", lsa->name);
1215 }
1216
1217 /* BFD specific. */
1218 if (oi->bfd_config.enabled) {
1219 if (use_json) {
1220 struct json_object *json_bfd = json_object_new_object();
1221
1222 json_object_int_add(
1223 json_bfd, "detectMultiplier",
1224 oi->bfd_config.detection_multiplier);
1225 json_object_int_add(json_bfd, "rxMinInterval",
1226 oi->bfd_config.min_rx);
1227 json_object_int_add(json_bfd, "txMinInterval",
1228 oi->bfd_config.min_tx);
1229 json_object_object_add(json_obj, "peerBfdInfo",
1230 json_bfd);
1231 } else {
1232 vty_out(vty,
1233 " BFD: Detect Multiplier: %d, Min Rx interval: %d, Min Tx interval: %d\n",
1234 oi->bfd_config.detection_multiplier,
1235 oi->bfd_config.min_rx, oi->bfd_config.min_tx);
1236 }
1237 }
1238
1239 json_auth = json_object_new_object();
1240 if (oi->at_data.flags != 0) {
1241 if (use_json) {
1242 if (CHECK_FLAG(oi->at_data.flags,
1243 OSPF6_AUTH_TRAILER_KEYCHAIN)) {
1244 json_object_string_add(json_auth, "authType",
1245 "keychain");
1246 json_object_string_add(json_auth,
1247 "keychainName",
1248 oi->at_data.keychain);
1249 } else if (CHECK_FLAG(oi->at_data.flags,
1250 OSPF6_AUTH_TRAILER_MANUAL_KEY))
1251 json_object_string_add(json_auth, "authType",
1252 "manualkey");
1253 json_object_int_add(json_auth, "txPktDrop",
1254 oi->at_data.tx_drop);
1255 json_object_int_add(json_auth, "rxPktDrop",
1256 oi->at_data.rx_drop);
1257 } else {
1258 if (CHECK_FLAG(oi->at_data.flags,
1259 OSPF6_AUTH_TRAILER_KEYCHAIN))
1260 vty_out(vty,
1261 " Authentication Trailer is enabled with key-chain %s\n",
1262 oi->at_data.keychain);
1263 else if (CHECK_FLAG(oi->at_data.flags,
1264 OSPF6_AUTH_TRAILER_MANUAL_KEY))
1265 vty_out(vty,
1266 " Authentication trailer is enabled with manual key\n");
1267 vty_out(vty,
1268 " Packet drop Tx %u, Packet drop Rx %u\n",
1269 oi->at_data.tx_drop, oi->at_data.rx_drop);
1270 }
1271 } else {
1272 if (use_json)
1273 json_object_string_add(json_auth, "authType", "NULL");
1274 else
1275 vty_out(vty, " Authentication Trailer is disabled\n");
1276 }
1277
1278 if (use_json)
1279 json_object_object_add(json_obj, "authInfo", json_auth);
1280
1281 return 0;
1282 }
1283
1284 /* Find the global address to be used as a forwarding address in NSSA LSA.*/
1285 struct in6_addr *ospf6_interface_get_global_address(struct interface *ifp)
1286 {
1287 struct listnode *n;
1288 struct connected *c;
1289
1290 /* for each connected address */
1291 for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) {
1292 /* if family not AF_INET6, ignore */
1293 if (c->address->family != AF_INET6)
1294 continue;
1295
1296 if (!IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6))
1297 return &c->address->u.prefix6;
1298 }
1299
1300 return NULL;
1301 }
1302
1303
1304 static int show_ospf6_interface_common(struct vty *vty, vrf_id_t vrf_id,
1305 int argc, struct cmd_token **argv,
1306 int idx_ifname, int intf_idx,
1307 int json_idx, bool uj)
1308 {
1309
1310 struct vrf *vrf = vrf_lookup_by_id(vrf_id);
1311 struct interface *ifp;
1312 json_object *json;
1313 json_object *json_int;
1314
1315 if (uj) {
1316 json = json_object_new_object();
1317 if (argc == json_idx) {
1318 ifp = if_lookup_by_name(argv[idx_ifname]->arg, vrf_id);
1319 json_int = json_object_new_object();
1320 if (ifp == NULL) {
1321 json_object_string_add(json, "noSuchInterface",
1322 argv[idx_ifname]->arg);
1323 vty_json(vty, json);
1324 json_object_free(json_int);
1325 return CMD_WARNING;
1326 }
1327 ospf6_interface_show(vty, ifp, json_int, uj);
1328 json_object_object_add(json, ifp->name, json_int);
1329 } else {
1330 FOR_ALL_INTERFACES (vrf, ifp) {
1331 json_int = json_object_new_object();
1332 ospf6_interface_show(vty, ifp, json_int, uj);
1333 json_object_object_add(json, ifp->name,
1334 json_int);
1335 }
1336 }
1337 vty_json(vty, json);
1338 } else {
1339 if (argc == intf_idx) {
1340 ifp = if_lookup_by_name(argv[idx_ifname]->arg, vrf_id);
1341 if (ifp == NULL) {
1342 vty_out(vty, "No such Interface: %s\n",
1343 argv[idx_ifname]->arg);
1344 return CMD_WARNING;
1345 }
1346 ospf6_interface_show(vty, ifp, NULL, uj);
1347 } else {
1348 FOR_ALL_INTERFACES (vrf, ifp)
1349 ospf6_interface_show(vty, ifp, NULL, uj);
1350 }
1351 }
1352 return CMD_SUCCESS;
1353 }
1354
1355 /* show interface */
1356 DEFUN(show_ipv6_ospf6_interface, show_ipv6_ospf6_interface_ifname_cmd,
1357 "show ipv6 ospf6 [vrf <NAME|all>] interface [IFNAME] [json]",
1358 SHOW_STR IP6_STR OSPF6_STR VRF_CMD_HELP_STR
1359 "All VRFs\n" INTERFACE_STR IFNAME_STR JSON_STR)
1360 {
1361 int idx_ifname = 4;
1362 int intf_idx = 5;
1363 int json_idx = 6;
1364 struct listnode *node;
1365 struct ospf6 *ospf6;
1366 const char *vrf_name = NULL;
1367 bool all_vrf = false;
1368 int idx_vrf = 0;
1369 bool uj = use_json(argc, argv);
1370
1371 OSPF6_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf);
1372 if (idx_vrf > 0) {
1373 idx_ifname += 2;
1374 intf_idx += 2;
1375 json_idx += 2;
1376 }
1377
1378 for (ALL_LIST_ELEMENTS_RO(om6->ospf6, node, ospf6)) {
1379 if (all_vrf || strcmp(ospf6->name, vrf_name) == 0) {
1380 show_ospf6_interface_common(vty, ospf6->vrf_id, argc,
1381 argv, idx_ifname, intf_idx,
1382 json_idx, uj);
1383
1384 if (!all_vrf)
1385 break;
1386 }
1387 }
1388
1389 OSPF6_CMD_CHECK_VRF(uj, all_vrf, ospf6);
1390
1391 return CMD_SUCCESS;
1392 }
1393
1394 static int ospf6_interface_show_traffic(struct vty *vty,
1395 struct interface *intf_ifp,
1396 int display_once, json_object *json,
1397 bool use_json, vrf_id_t vrf_id)
1398 {
1399 struct interface *ifp;
1400 struct vrf *vrf = NULL;
1401 struct ospf6_interface *oi = NULL;
1402 json_object *json_interface;
1403
1404 if (!display_once && !use_json) {
1405 vty_out(vty, "\n");
1406 vty_out(vty, "%-12s%-17s%-17s%-17s%-17s%-17s\n", "Interface",
1407 " HELLO", " DB-Desc", " LS-Req", " LS-Update",
1408 " LS-Ack");
1409 vty_out(vty, "%-10s%-18s%-18s%-17s%-17s%-17s\n", "",
1410 " Rx/Tx", " Rx/Tx", " Rx/Tx", " Rx/Tx",
1411 " Rx/Tx");
1412 vty_out(vty,
1413 "--------------------------------------------------------------------------------------------\n");
1414 }
1415
1416 if (intf_ifp == NULL) {
1417 vrf = vrf_lookup_by_id(vrf_id);
1418 FOR_ALL_INTERFACES (vrf, ifp) {
1419 if (ifp->info)
1420 oi = (struct ospf6_interface *)ifp->info;
1421 else
1422 continue;
1423
1424 if (use_json) {
1425 json_interface = json_object_new_object();
1426 json_object_int_add(json_interface, "helloRx",
1427 oi->hello_in);
1428 json_object_int_add(json_interface, "helloTx",
1429 oi->hello_out);
1430 json_object_int_add(json_interface, "dbDescRx",
1431 oi->db_desc_in);
1432 json_object_int_add(json_interface, "dbDescTx",
1433 oi->db_desc_out);
1434 json_object_int_add(json_interface, "lsReqRx",
1435 oi->ls_req_in);
1436 json_object_int_add(json_interface, "lsReqTx",
1437 oi->ls_req_out);
1438 json_object_int_add(json_interface,
1439 "lsUpdateRx",
1440 oi->ls_upd_in);
1441 json_object_int_add(json_interface,
1442 "lsUpdateTx",
1443 oi->ls_upd_out);
1444 json_object_int_add(json_interface, "lsAckRx",
1445 oi->ls_ack_in);
1446 json_object_int_add(json_interface, "lsAckTx",
1447 oi->ls_ack_out);
1448
1449 json_object_object_add(json,
1450 oi->interface->name,
1451 json_interface);
1452 } else
1453 vty_out(vty,
1454 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1455 oi->interface->name, oi->hello_in,
1456 oi->hello_out, oi->db_desc_in,
1457 oi->db_desc_out, oi->ls_req_in,
1458 oi->ls_req_out, oi->ls_upd_in,
1459 oi->ls_upd_out, oi->ls_ack_in,
1460 oi->ls_ack_out);
1461 }
1462 } else {
1463 oi = intf_ifp->info;
1464 if (oi == NULL)
1465 return CMD_WARNING;
1466
1467 if (use_json) {
1468 json_interface = json_object_new_object();
1469 json_object_int_add(json_interface, "helloRx",
1470 oi->hello_in);
1471 json_object_int_add(json_interface, "helloTx",
1472 oi->hello_out);
1473 json_object_int_add(json_interface, "dbDescRx",
1474 oi->db_desc_in);
1475 json_object_int_add(json_interface, "dbDescTx",
1476 oi->db_desc_out);
1477 json_object_int_add(json_interface, "lsReqRx",
1478 oi->ls_req_in);
1479 json_object_int_add(json_interface, "lsReqTx",
1480 oi->ls_req_out);
1481 json_object_int_add(json_interface, "lsUpdateRx",
1482 oi->ls_upd_in);
1483 json_object_int_add(json_interface, "lsUpdateTx",
1484 oi->ls_upd_out);
1485 json_object_int_add(json_interface, "lsAckRx",
1486 oi->ls_ack_in);
1487 json_object_int_add(json_interface, "lsAckTx",
1488 oi->ls_ack_out);
1489
1490 json_object_object_add(json, oi->interface->name,
1491 json_interface);
1492 } else
1493 vty_out(vty,
1494 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1495 oi->interface->name, oi->hello_in,
1496 oi->hello_out, oi->db_desc_in, oi->db_desc_out,
1497 oi->ls_req_in, oi->ls_req_out, oi->ls_upd_in,
1498 oi->ls_upd_out, oi->ls_ack_in, oi->ls_ack_out);
1499 }
1500
1501 return CMD_SUCCESS;
1502 }
1503
1504 static int ospf6_interface_show_traffic_common(struct vty *vty, int argc,
1505 struct cmd_token **argv,
1506 vrf_id_t vrf_id, bool uj)
1507 {
1508 int idx_ifname = 0;
1509 int display_once = 0;
1510 char *intf_name = NULL;
1511 struct interface *ifp = NULL;
1512 json_object *json = NULL;
1513
1514 if (uj)
1515 json = json_object_new_object();
1516
1517 if (argv_find(argv, argc, "IFNAME", &idx_ifname)) {
1518 intf_name = argv[idx_ifname]->arg;
1519 ifp = if_lookup_by_name(intf_name, vrf_id);
1520 if (uj) {
1521 if (ifp == NULL) {
1522 json_object_string_add(json, "status",
1523 "No Such Interface");
1524 json_object_string_add(json, "interface",
1525 intf_name);
1526 vty_json(vty, json);
1527 return CMD_WARNING;
1528 }
1529 if (ifp->info == NULL) {
1530 json_object_string_add(
1531 json, "status",
1532 "OSPF not enabled on this interface");
1533 json_object_string_add(json, "interface",
1534 intf_name);
1535 vty_json(vty, json);
1536 return 0;
1537 }
1538 } else {
1539 if (ifp == NULL) {
1540 vty_out(vty, "No such Interface: %s\n",
1541 intf_name);
1542 return CMD_WARNING;
1543 }
1544 if (ifp->info == NULL) {
1545 vty_out(vty,
1546 " OSPF not enabled on this interface %s\n",
1547 intf_name);
1548 return 0;
1549 }
1550 }
1551 }
1552
1553 ospf6_interface_show_traffic(vty, ifp, display_once, json, uj, vrf_id);
1554
1555 if (uj)
1556 vty_json(vty, json);
1557
1558 return CMD_SUCCESS;
1559 }
1560
1561 /* show interface */
1562 DEFUN(show_ipv6_ospf6_interface_traffic, show_ipv6_ospf6_interface_traffic_cmd,
1563 "show ipv6 ospf6 [vrf <NAME|all>] interface traffic [IFNAME] [json]",
1564 SHOW_STR IP6_STR OSPF6_STR VRF_CMD_HELP_STR
1565 "All VRFs\n" INTERFACE_STR
1566 "Protocol Packet counters\n" IFNAME_STR JSON_STR)
1567 {
1568 struct ospf6 *ospf6;
1569 struct listnode *node;
1570 const char *vrf_name = NULL;
1571 bool all_vrf = false;
1572 int idx_vrf = 0;
1573 bool uj = use_json(argc, argv);
1574
1575 OSPF6_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf);
1576
1577 for (ALL_LIST_ELEMENTS_RO(om6->ospf6, node, ospf6)) {
1578 if (all_vrf || strcmp(ospf6->name, vrf_name) == 0) {
1579 ospf6_interface_show_traffic_common(vty, argc, argv,
1580 ospf6->vrf_id, uj);
1581
1582 if (!all_vrf)
1583 break;
1584 }
1585 }
1586
1587 OSPF6_CMD_CHECK_VRF(uj, all_vrf, ospf6);
1588
1589 return CMD_SUCCESS;
1590 }
1591
1592
1593 DEFUN(show_ipv6_ospf6_interface_ifname_prefix,
1594 show_ipv6_ospf6_interface_ifname_prefix_cmd,
1595 "show ipv6 ospf6 [vrf <NAME|all>] interface IFNAME prefix\
1596 [<\
1597 detail\
1598 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1599 >] [json]",
1600 SHOW_STR IP6_STR OSPF6_STR VRF_CMD_HELP_STR
1601 "All VRFs\n" INTERFACE_STR IFNAME_STR
1602 "Display connected prefixes to advertise\n"
1603 "Display details of the prefixes\n" OSPF6_ROUTE_ADDRESS_STR
1604 OSPF6_ROUTE_PREFIX_STR OSPF6_ROUTE_MATCH_STR
1605 "Display details of the prefixes\n" JSON_STR)
1606 {
1607 int idx_ifname = 4;
1608 int idx_prefix = 6;
1609 struct ospf6_interface *oi;
1610 bool uj = use_json(argc, argv);
1611
1612 struct ospf6 *ospf6;
1613 struct listnode *node;
1614 struct interface *ifp;
1615 const char *vrf_name = NULL;
1616 bool all_vrf = false;
1617 int idx_vrf = 0;
1618
1619 OSPF6_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf);
1620 if (idx_vrf > 0) {
1621 idx_ifname += 2;
1622 idx_prefix += 2;
1623 }
1624
1625 for (ALL_LIST_ELEMENTS_RO(om6->ospf6, node, ospf6)) {
1626 if (all_vrf || strcmp(ospf6->name, vrf_name) == 0) {
1627 ifp = if_lookup_by_name(argv[idx_ifname]->arg,
1628 ospf6->vrf_id);
1629 if (ifp == NULL) {
1630 vty_out(vty, "No such Interface: %s\n",
1631 argv[idx_ifname]->arg);
1632 return CMD_WARNING;
1633 }
1634
1635 oi = ifp->info;
1636 if (oi == NULL
1637 || CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE)) {
1638 vty_out(vty,
1639 "Interface %s not attached to area\n",
1640 argv[idx_ifname]->arg);
1641 return CMD_WARNING;
1642 }
1643
1644 ospf6_route_table_show(vty, idx_prefix, argc, argv,
1645 oi->route_connected, uj);
1646
1647 if (!all_vrf)
1648 break;
1649 }
1650 }
1651
1652 OSPF6_CMD_CHECK_VRF(uj, all_vrf, ospf6);
1653
1654 return CMD_SUCCESS;
1655 }
1656
1657 DEFUN(show_ipv6_ospf6_interface_prefix, show_ipv6_ospf6_interface_prefix_cmd,
1658 "show ipv6 ospf6 [vrf <NAME|all>] interface prefix\
1659 [<\
1660 detail\
1661 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1662 >] [json]",
1663 SHOW_STR IP6_STR OSPF6_STR VRF_CMD_HELP_STR
1664 "All VRFs\n" INTERFACE_STR
1665 "Display connected prefixes to advertise\n"
1666 "Display details of the prefixes\n" OSPF6_ROUTE_ADDRESS_STR
1667 OSPF6_ROUTE_PREFIX_STR OSPF6_ROUTE_MATCH_STR
1668 "Display details of the prefixes\n" JSON_STR)
1669 {
1670 struct vrf *vrf = NULL;
1671 int idx_prefix = 5;
1672 struct ospf6_interface *oi;
1673 struct interface *ifp;
1674 bool uj = use_json(argc, argv);
1675 struct listnode *node;
1676 struct ospf6 *ospf6;
1677 const char *vrf_name = NULL;
1678 bool all_vrf = false;
1679 int idx_vrf = 0;
1680
1681 OSPF6_FIND_VRF_ARGS(argv, argc, idx_vrf, vrf_name, all_vrf);
1682 if (idx_vrf > 0)
1683 idx_prefix += 2;
1684
1685 for (ALL_LIST_ELEMENTS_RO(om6->ospf6, node, ospf6)) {
1686 if (all_vrf || strcmp(ospf6->name, vrf_name) == 0) {
1687 vrf = vrf_lookup_by_id(ospf6->vrf_id);
1688 FOR_ALL_INTERFACES (vrf, ifp) {
1689 oi = (struct ospf6_interface *)ifp->info;
1690 if (oi == NULL
1691 || CHECK_FLAG(oi->flag,
1692 OSPF6_INTERFACE_DISABLE))
1693 continue;
1694
1695 ospf6_route_table_show(vty, idx_prefix, argc,
1696 argv,
1697 oi->route_connected, uj);
1698 }
1699 if (!all_vrf)
1700 break;
1701 }
1702 }
1703
1704 OSPF6_CMD_CHECK_VRF(uj, all_vrf, ospf6);
1705
1706 return CMD_SUCCESS;
1707 }
1708
1709 void ospf6_interface_start(struct ospf6_interface *oi)
1710 {
1711 struct ospf6 *ospf6;
1712 struct ospf6_area *oa;
1713
1714 if (oi->area_id_format == OSPF6_AREA_FMT_UNSET)
1715 return;
1716
1717 if (oi->area)
1718 return;
1719
1720 ospf6 = oi->interface->vrf->info;
1721 if (!ospf6)
1722 return;
1723
1724 oa = ospf6_area_lookup(oi->area_id, ospf6);
1725 if (oa == NULL)
1726 oa = ospf6_area_create(oi->area_id, ospf6, oi->area_id_format);
1727
1728 /* attach interface to area */
1729 listnode_add(oa->if_list, oi);
1730 oi->area = oa;
1731
1732 SET_FLAG(oa->flag, OSPF6_AREA_ENABLE);
1733
1734 /* start up */
1735 ospf6_interface_enable(oi);
1736
1737 /* If the router is ABR, originate summary routes */
1738 if (ospf6_check_and_set_router_abr(ospf6))
1739 ospf6_abr_enable_area(oa);
1740 }
1741
1742 void ospf6_interface_stop(struct ospf6_interface *oi)
1743 {
1744 struct ospf6_area *oa;
1745
1746 oa = oi->area;
1747 if (!oa)
1748 return;
1749
1750 ospf6_interface_disable(oi);
1751
1752 listnode_delete(oa->if_list, oi);
1753 oi->area = NULL;
1754
1755 if (oa->if_list->count == 0) {
1756 UNSET_FLAG(oa->flag, OSPF6_AREA_ENABLE);
1757 ospf6_abr_disable_area(oa);
1758 }
1759 }
1760
1761 /* interface variable set command */
1762 DEFUN (ipv6_ospf6_area,
1763 ipv6_ospf6_area_cmd,
1764 "ipv6 ospf6 area <A.B.C.D|(0-4294967295)>",
1765 IP6_STR
1766 OSPF6_STR
1767 "Specify the OSPF6 area ID\n"
1768 "OSPF6 area ID in IPv4 address notation\n"
1769 "OSPF6 area ID in decimal notation\n")
1770 {
1771 VTY_DECLVAR_CONTEXT(interface, ifp);
1772 struct ospf6_interface *oi;
1773 int idx_ipv4 = 3;
1774 uint32_t area_id;
1775 int format;
1776
1777 assert(ifp);
1778
1779 oi = (struct ospf6_interface *)ifp->info;
1780 if (oi == NULL)
1781 oi = ospf6_interface_create(ifp);
1782 assert(oi);
1783
1784 if (oi->area) {
1785 vty_out(vty, "%s already attached to Area %s\n",
1786 oi->interface->name, oi->area->name);
1787 return CMD_SUCCESS;
1788 }
1789
1790 if (str2area_id(argv[idx_ipv4]->arg, &area_id, &format)) {
1791 vty_out(vty, "Malformed Area-ID: %s\n", argv[idx_ipv4]->arg);
1792 return CMD_WARNING_CONFIG_FAILED;
1793 }
1794
1795 oi->area_id = area_id;
1796 oi->area_id_format = format;
1797
1798 ospf6_interface_start(oi);
1799
1800 return CMD_SUCCESS;
1801 }
1802
1803 DEFUN (no_ipv6_ospf6_area,
1804 no_ipv6_ospf6_area_cmd,
1805 "no ipv6 ospf6 area [<A.B.C.D|(0-4294967295)>]",
1806 NO_STR
1807 IP6_STR
1808 OSPF6_STR
1809 "Specify the OSPF6 area ID\n"
1810 "OSPF6 area ID in IPv4 address notation\n"
1811 "OSPF6 area ID in decimal notation\n")
1812 {
1813 VTY_DECLVAR_CONTEXT(interface, ifp);
1814 struct ospf6_interface *oi;
1815
1816 assert(ifp);
1817
1818 oi = (struct ospf6_interface *)ifp->info;
1819 if (oi == NULL)
1820 oi = ospf6_interface_create(ifp);
1821 assert(oi);
1822
1823 ospf6_interface_stop(oi);
1824
1825 oi->area_id = 0;
1826 oi->area_id_format = OSPF6_AREA_FMT_UNSET;
1827
1828 return CMD_SUCCESS;
1829 }
1830
1831 DEFUN (ipv6_ospf6_ifmtu,
1832 ipv6_ospf6_ifmtu_cmd,
1833 "ipv6 ospf6 ifmtu (1-65535)",
1834 IP6_STR
1835 OSPF6_STR
1836 "Interface MTU\n"
1837 "OSPFv3 Interface MTU\n"
1838 )
1839 {
1840 VTY_DECLVAR_CONTEXT(interface, ifp);
1841 int idx_number = 3;
1842 struct ospf6_interface *oi;
1843 unsigned int ifmtu, iobuflen;
1844 struct listnode *node, *nnode;
1845 struct ospf6_neighbor *on;
1846
1847 assert(ifp);
1848
1849 oi = (struct ospf6_interface *)ifp->info;
1850 if (oi == NULL)
1851 oi = ospf6_interface_create(ifp);
1852 assert(oi);
1853
1854 ifmtu = strtol(argv[idx_number]->arg, NULL, 10);
1855
1856 if (oi->c_ifmtu == ifmtu)
1857 return CMD_SUCCESS;
1858
1859 if (ifp->mtu6 != 0 && ifp->mtu6 < ifmtu) {
1860 vty_out(vty,
1861 "%s's ospf6 ifmtu cannot go beyond physical mtu (%d)\n",
1862 ifp->name, ifp->mtu6);
1863 return CMD_WARNING_CONFIG_FAILED;
1864 }
1865
1866 if (oi->ifmtu < ifmtu) {
1867 iobuflen = ospf6_iobuf_size(ifmtu);
1868 if (iobuflen < ifmtu) {
1869 vty_out(vty,
1870 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1871 ifp->name, iobuflen);
1872 oi->ifmtu = oi->c_ifmtu = iobuflen;
1873 } else
1874 oi->ifmtu = oi->c_ifmtu = ifmtu;
1875 } else
1876 oi->ifmtu = oi->c_ifmtu = ifmtu;
1877
1878 /* re-establish adjacencies */
1879 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1880 THREAD_OFF(on->inactivity_timer);
1881 thread_add_event(master, inactivity_timer, on, 0, NULL);
1882 }
1883
1884 return CMD_SUCCESS;
1885 }
1886
1887 DEFUN (no_ipv6_ospf6_ifmtu,
1888 no_ipv6_ospf6_ifmtu_cmd,
1889 "no ipv6 ospf6 ifmtu [(1-65535)]",
1890 NO_STR
1891 IP6_STR
1892 OSPF6_STR
1893 "Interface MTU\n"
1894 "OSPFv3 Interface MTU\n"
1895 )
1896 {
1897 VTY_DECLVAR_CONTEXT(interface, ifp);
1898 struct ospf6_interface *oi;
1899 unsigned int iobuflen;
1900 struct listnode *node, *nnode;
1901 struct ospf6_neighbor *on;
1902
1903 assert(ifp);
1904
1905 oi = (struct ospf6_interface *)ifp->info;
1906 if (oi == NULL)
1907 oi = ospf6_interface_create(ifp);
1908 assert(oi);
1909
1910 if (oi->ifmtu < ifp->mtu) {
1911 iobuflen = ospf6_iobuf_size(ifp->mtu);
1912 if (iobuflen < ifp->mtu) {
1913 vty_out(vty,
1914 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1915 ifp->name, iobuflen);
1916 oi->ifmtu = iobuflen;
1917 } else
1918 oi->ifmtu = ifp->mtu;
1919 } else
1920 oi->ifmtu = ifp->mtu;
1921
1922 oi->c_ifmtu = 0;
1923
1924 /* re-establish adjacencies */
1925 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1926 THREAD_OFF(on->inactivity_timer);
1927 thread_add_event(master, inactivity_timer, on, 0, NULL);
1928 }
1929
1930 return CMD_SUCCESS;
1931 }
1932
1933 DEFUN (ipv6_ospf6_cost,
1934 ipv6_ospf6_cost_cmd,
1935 "ipv6 ospf6 cost (1-65535)",
1936 IP6_STR
1937 OSPF6_STR
1938 "Interface cost\n"
1939 "Outgoing metric of this interface\n")
1940 {
1941 VTY_DECLVAR_CONTEXT(interface, ifp);
1942 int idx_number = 3;
1943 struct ospf6_interface *oi;
1944 unsigned long int lcost;
1945
1946 assert(ifp);
1947
1948 oi = (struct ospf6_interface *)ifp->info;
1949 if (oi == NULL)
1950 oi = ospf6_interface_create(ifp);
1951 assert(oi);
1952
1953 lcost = strtol(argv[idx_number]->arg, NULL, 10);
1954
1955 if (lcost > UINT32_MAX) {
1956 vty_out(vty, "Cost %ld is out of range\n", lcost);
1957 return CMD_WARNING_CONFIG_FAILED;
1958 }
1959
1960 SET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1961 if (oi->cost == lcost)
1962 return CMD_SUCCESS;
1963
1964 oi->cost = lcost;
1965 ospf6_interface_force_recalculate_cost(oi);
1966
1967 return CMD_SUCCESS;
1968 }
1969
1970 DEFUN (no_ipv6_ospf6_cost,
1971 no_ipv6_ospf6_cost_cmd,
1972 "no ipv6 ospf6 cost [(1-65535)]",
1973 NO_STR
1974 IP6_STR
1975 OSPF6_STR
1976 "Calculate interface cost from bandwidth\n"
1977 "Outgoing metric of this interface\n")
1978 {
1979 VTY_DECLVAR_CONTEXT(interface, ifp);
1980 struct ospf6_interface *oi;
1981 assert(ifp);
1982
1983 oi = (struct ospf6_interface *)ifp->info;
1984 if (oi == NULL)
1985 oi = ospf6_interface_create(ifp);
1986 assert(oi);
1987
1988 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1989
1990 ospf6_interface_recalculate_cost(oi);
1991
1992 return CMD_SUCCESS;
1993 }
1994
1995 DEFUN (auto_cost_reference_bandwidth,
1996 auto_cost_reference_bandwidth_cmd,
1997 "auto-cost reference-bandwidth (1-4294967)",
1998 "Calculate OSPF interface cost according to bandwidth\n"
1999 "Use reference bandwidth method to assign OSPF cost\n"
2000 "The reference bandwidth in terms of Mbits per second\n")
2001 {
2002 VTY_DECLVAR_CONTEXT(ospf6, o);
2003 int idx_number = 2;
2004 struct ospf6_area *oa;
2005 struct ospf6_interface *oi;
2006 struct listnode *i, *j;
2007 uint32_t refbw;
2008
2009 refbw = strtol(argv[idx_number]->arg, NULL, 10);
2010 if (refbw < 1 || refbw > 4294967) {
2011 vty_out(vty, "reference-bandwidth value is invalid\n");
2012 return CMD_WARNING_CONFIG_FAILED;
2013 }
2014
2015 /* If reference bandwidth is changed. */
2016 if ((refbw) == o->ref_bandwidth)
2017 return CMD_SUCCESS;
2018
2019 o->ref_bandwidth = refbw;
2020 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
2021 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
2022 ospf6_interface_recalculate_cost(oi);
2023
2024 return CMD_SUCCESS;
2025 }
2026
2027 DEFUN (no_auto_cost_reference_bandwidth,
2028 no_auto_cost_reference_bandwidth_cmd,
2029 "no auto-cost reference-bandwidth [(1-4294967)]",
2030 NO_STR
2031 "Calculate OSPF interface cost according to bandwidth\n"
2032 "Use reference bandwidth method to assign OSPF cost\n"
2033 "The reference bandwidth in terms of Mbits per second\n")
2034 {
2035 VTY_DECLVAR_CONTEXT(ospf6, o);
2036 struct ospf6_area *oa;
2037 struct ospf6_interface *oi;
2038 struct listnode *i, *j;
2039
2040 if (o->ref_bandwidth == OSPF6_REFERENCE_BANDWIDTH)
2041 return CMD_SUCCESS;
2042
2043 o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
2044 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
2045 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
2046 ospf6_interface_recalculate_cost(oi);
2047
2048 return CMD_SUCCESS;
2049 }
2050
2051
2052 DEFUN (ospf6_write_multiplier,
2053 ospf6_write_multiplier_cmd,
2054 "write-multiplier (1-100)",
2055 "Write multiplier\n"
2056 "Maximum number of interface serviced per write\n")
2057 {
2058 VTY_DECLVAR_CONTEXT(ospf6, o);
2059 uint32_t write_oi_count;
2060
2061 write_oi_count = strtol(argv[1]->arg, NULL, 10);
2062 if (write_oi_count < 1 || write_oi_count > 100) {
2063 vty_out(vty, "write-multiplier value is invalid\n");
2064 return CMD_WARNING_CONFIG_FAILED;
2065 }
2066
2067 o->write_oi_count = write_oi_count;
2068 return CMD_SUCCESS;
2069 }
2070
2071 DEFUN (no_ospf6_write_multiplier,
2072 no_ospf6_write_multiplier_cmd,
2073 "no write-multiplier (1-100)",
2074 NO_STR
2075 "Write multiplier\n"
2076 "Maximum number of interface serviced per write\n")
2077 {
2078 VTY_DECLVAR_CONTEXT(ospf6, o);
2079
2080 o->write_oi_count = OSPF6_WRITE_INTERFACE_COUNT_DEFAULT;
2081 return CMD_SUCCESS;
2082 }
2083
2084 DEFUN (ipv6_ospf6_hellointerval,
2085 ipv6_ospf6_hellointerval_cmd,
2086 "ipv6 ospf6 hello-interval (1-65535)",
2087 IP6_STR
2088 OSPF6_STR
2089 "Time between HELLO packets\n"
2090 SECONDS_STR)
2091 {
2092 VTY_DECLVAR_CONTEXT(interface, ifp);
2093 int idx_number = 3;
2094 struct ospf6_interface *oi;
2095 assert(ifp);
2096
2097 oi = (struct ospf6_interface *)ifp->info;
2098 if (oi == NULL)
2099 oi = ospf6_interface_create(ifp);
2100 assert(oi);
2101
2102 oi->hello_interval = strmatch(argv[0]->text, "no")
2103 ? OSPF_HELLO_INTERVAL_DEFAULT
2104 : strtoul(argv[idx_number]->arg, NULL, 10);
2105
2106 /*
2107 * If the thread is scheduled, send the new hello now.
2108 */
2109 if (thread_is_scheduled(oi->thread_send_hello)) {
2110 THREAD_OFF(oi->thread_send_hello);
2111
2112 thread_add_timer(master, ospf6_hello_send, oi, 0,
2113 &oi->thread_send_hello);
2114 }
2115 return CMD_SUCCESS;
2116 }
2117
2118 ALIAS (ipv6_ospf6_hellointerval,
2119 no_ipv6_ospf6_hellointerval_cmd,
2120 "no ipv6 ospf6 hello-interval [(1-65535)]",
2121 NO_STR
2122 IP6_STR
2123 OSPF6_STR
2124 "Time between HELLO packets\n"
2125 SECONDS_STR)
2126
2127 /* interface variable set command */
2128 DEFUN (ipv6_ospf6_deadinterval,
2129 ipv6_ospf6_deadinterval_cmd,
2130 "ipv6 ospf6 dead-interval (1-65535)",
2131 IP6_STR
2132 OSPF6_STR
2133 "Interval time after which a neighbor is declared down\n"
2134 SECONDS_STR)
2135 {
2136 VTY_DECLVAR_CONTEXT(interface, ifp);
2137 int idx_number = 3;
2138 struct ospf6_interface *oi;
2139 assert(ifp);
2140
2141 oi = (struct ospf6_interface *)ifp->info;
2142 if (oi == NULL)
2143 oi = ospf6_interface_create(ifp);
2144 assert(oi);
2145
2146 oi->dead_interval = strmatch(argv[0]->arg, "no")
2147 ? OSPF_ROUTER_DEAD_INTERVAL_DEFAULT
2148 : strtoul(argv[idx_number]->arg, NULL, 10);
2149 return CMD_SUCCESS;
2150 }
2151
2152 ALIAS (ipv6_ospf6_deadinterval,
2153 no_ipv6_ospf6_deadinterval_cmd,
2154 "no ipv6 ospf6 dead-interval [(1-65535)]",
2155 NO_STR
2156 IP6_STR
2157 OSPF6_STR
2158 "Interval time after which a neighbor is declared down\n"
2159 SECONDS_STR)
2160
2161 /* interface variable set command */
2162 DEFUN (ipv6_ospf6_transmitdelay,
2163 ipv6_ospf6_transmitdelay_cmd,
2164 "ipv6 ospf6 transmit-delay (1-3600)",
2165 IP6_STR
2166 OSPF6_STR
2167 "Link state transmit delay\n"
2168 SECONDS_STR)
2169 {
2170 VTY_DECLVAR_CONTEXT(interface, ifp);
2171 int idx_number = 3;
2172 struct ospf6_interface *oi;
2173 assert(ifp);
2174
2175 oi = (struct ospf6_interface *)ifp->info;
2176 if (oi == NULL)
2177 oi = ospf6_interface_create(ifp);
2178 assert(oi);
2179
2180 oi->transdelay = strmatch(argv[0]->text, "no")
2181 ? OSPF6_INTERFACE_TRANSDELAY
2182 : strtoul(argv[idx_number]->arg, NULL, 10);
2183 return CMD_SUCCESS;
2184 }
2185
2186 ALIAS (ipv6_ospf6_transmitdelay,
2187 no_ipv6_ospf6_transmitdelay_cmd,
2188 "no ipv6 ospf6 transmit-delay [(1-3600)]",
2189 NO_STR
2190 IP6_STR
2191 OSPF6_STR
2192 "Link state transmit delay\n"
2193 SECONDS_STR)
2194
2195 /* interface variable set command */
2196 DEFUN (ipv6_ospf6_retransmitinterval,
2197 ipv6_ospf6_retransmitinterval_cmd,
2198 "ipv6 ospf6 retransmit-interval (1-65535)",
2199 IP6_STR
2200 OSPF6_STR
2201 "Time between retransmitting lost link state advertisements\n"
2202 SECONDS_STR)
2203 {
2204 VTY_DECLVAR_CONTEXT(interface, ifp);
2205 int idx_number = 3;
2206 struct ospf6_interface *oi;
2207 assert(ifp);
2208
2209 oi = (struct ospf6_interface *)ifp->info;
2210 if (oi == NULL)
2211 oi = ospf6_interface_create(ifp);
2212 assert(oi);
2213
2214 oi->rxmt_interval = strmatch(argv[0]->text, "no")
2215 ? OSPF_RETRANSMIT_INTERVAL_DEFAULT
2216 : strtoul(argv[idx_number]->arg, NULL, 10);
2217 return CMD_SUCCESS;
2218 }
2219
2220 ALIAS (ipv6_ospf6_retransmitinterval,
2221 no_ipv6_ospf6_retransmitinterval_cmd,
2222 "no ipv6 ospf6 retransmit-interval [(1-65535)]",
2223 NO_STR
2224 IP6_STR
2225 OSPF6_STR
2226 "Time between retransmitting lost link state advertisements\n"
2227 SECONDS_STR)
2228
2229 /* interface variable set command */
2230 DEFUN (ipv6_ospf6_priority,
2231 ipv6_ospf6_priority_cmd,
2232 "ipv6 ospf6 priority (0-255)",
2233 IP6_STR
2234 OSPF6_STR
2235 "Router priority\n"
2236 "Priority value\n")
2237 {
2238 VTY_DECLVAR_CONTEXT(interface, ifp);
2239 int idx_number = 3;
2240 struct ospf6_interface *oi;
2241 assert(ifp);
2242
2243 oi = (struct ospf6_interface *)ifp->info;
2244 if (oi == NULL)
2245 oi = ospf6_interface_create(ifp);
2246 assert(oi);
2247
2248 oi->priority = strmatch(argv[0]->text, "no")
2249 ? OSPF6_INTERFACE_PRIORITY
2250 : strtoul(argv[idx_number]->arg, NULL, 10);
2251
2252 if (oi->area
2253 && (oi->state == OSPF6_INTERFACE_DROTHER
2254 || oi->state == OSPF6_INTERFACE_BDR
2255 || oi->state == OSPF6_INTERFACE_DR)) {
2256 if (ospf6_interface_state_change(dr_election(oi), oi) == -1)
2257 OSPF6_LINK_LSA_SCHEDULE(oi);
2258 }
2259
2260 return CMD_SUCCESS;
2261 }
2262
2263 ALIAS (ipv6_ospf6_priority,
2264 no_ipv6_ospf6_priority_cmd,
2265 "no ipv6 ospf6 priority [(0-255)]",
2266 NO_STR
2267 IP6_STR
2268 OSPF6_STR
2269 "Router priority\n"
2270 "Priority value\n")
2271
2272 DEFUN (ipv6_ospf6_instance,
2273 ipv6_ospf6_instance_cmd,
2274 "ipv6 ospf6 instance-id (0-255)",
2275 IP6_STR
2276 OSPF6_STR
2277 "Instance ID for this interface\n"
2278 "Instance ID value\n")
2279 {
2280 VTY_DECLVAR_CONTEXT(interface, ifp);
2281 int idx_number = 3;
2282 struct ospf6_interface *oi;
2283 assert(ifp);
2284
2285 oi = (struct ospf6_interface *)ifp->info;
2286 if (oi == NULL)
2287 oi = ospf6_interface_create(ifp);
2288 assert(oi);
2289
2290 oi->instance_id = strmatch(argv[0]->text, "no")
2291 ? OSPF6_INTERFACE_INSTANCE_ID
2292 : strtoul(argv[idx_number]->arg, NULL, 10);
2293 return CMD_SUCCESS;
2294 }
2295
2296 ALIAS (ipv6_ospf6_instance,
2297 no_ipv6_ospf6_instance_cmd,
2298 "no ipv6 ospf6 instance-id [(0-255)]",
2299 NO_STR
2300 IP6_STR
2301 OSPF6_STR
2302 "Instance ID for this interface\n"
2303 "Instance ID value\n")
2304
2305 DEFUN (ipv6_ospf6_passive,
2306 ipv6_ospf6_passive_cmd,
2307 "ipv6 ospf6 passive",
2308 IP6_STR
2309 OSPF6_STR
2310 "Passive interface; no adjacency will be formed on this interface\n"
2311 )
2312 {
2313 VTY_DECLVAR_CONTEXT(interface, ifp);
2314 struct ospf6_interface *oi;
2315 struct listnode *node, *nnode;
2316 struct ospf6_neighbor *on;
2317
2318 assert(ifp);
2319
2320 oi = (struct ospf6_interface *)ifp->info;
2321 if (oi == NULL)
2322 oi = ospf6_interface_create(ifp);
2323 assert(oi);
2324
2325 SET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
2326 THREAD_OFF(oi->thread_send_hello);
2327 THREAD_OFF(oi->thread_sso);
2328
2329 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
2330 THREAD_OFF(on->inactivity_timer);
2331 thread_add_event(master, inactivity_timer, on, 0, NULL);
2332 }
2333
2334 return CMD_SUCCESS;
2335 }
2336
2337 DEFUN (no_ipv6_ospf6_passive,
2338 no_ipv6_ospf6_passive_cmd,
2339 "no ipv6 ospf6 passive",
2340 NO_STR
2341 IP6_STR
2342 OSPF6_STR
2343 "passive interface: No Adjacency will be formed on this I/F\n"
2344 )
2345 {
2346 VTY_DECLVAR_CONTEXT(interface, ifp);
2347 struct ospf6_interface *oi;
2348 assert(ifp);
2349
2350 oi = (struct ospf6_interface *)ifp->info;
2351 if (oi == NULL)
2352 oi = ospf6_interface_create(ifp);
2353 assert(oi);
2354
2355 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
2356 THREAD_OFF(oi->thread_send_hello);
2357 THREAD_OFF(oi->thread_sso);
2358
2359 /* don't send hellos over loopback interface */
2360 if (!if_is_loopback(oi->interface))
2361 thread_add_timer(master, ospf6_hello_send, oi, 0,
2362 &oi->thread_send_hello);
2363
2364 return CMD_SUCCESS;
2365 }
2366
2367 DEFUN (ipv6_ospf6_mtu_ignore,
2368 ipv6_ospf6_mtu_ignore_cmd,
2369 "ipv6 ospf6 mtu-ignore",
2370 IP6_STR
2371 OSPF6_STR
2372 "Disable MTU mismatch detection on this interface\n"
2373 )
2374 {
2375 VTY_DECLVAR_CONTEXT(interface, ifp);
2376 struct ospf6_interface *oi;
2377 assert(ifp);
2378
2379 oi = (struct ospf6_interface *)ifp->info;
2380 if (oi == NULL)
2381 oi = ospf6_interface_create(ifp);
2382 assert(oi);
2383
2384 oi->mtu_ignore = 1;
2385
2386 return CMD_SUCCESS;
2387 }
2388
2389 DEFUN (no_ipv6_ospf6_mtu_ignore,
2390 no_ipv6_ospf6_mtu_ignore_cmd,
2391 "no ipv6 ospf6 mtu-ignore",
2392 NO_STR
2393 IP6_STR
2394 OSPF6_STR
2395 "Disable MTU mismatch detection on this interface\n"
2396 )
2397 {
2398 VTY_DECLVAR_CONTEXT(interface, ifp);
2399 struct ospf6_interface *oi;
2400 assert(ifp);
2401
2402 oi = (struct ospf6_interface *)ifp->info;
2403 if (oi == NULL)
2404 oi = ospf6_interface_create(ifp);
2405 assert(oi);
2406
2407 oi->mtu_ignore = 0;
2408
2409 return CMD_SUCCESS;
2410 }
2411
2412 DEFUN (ipv6_ospf6_advertise_prefix_list,
2413 ipv6_ospf6_advertise_prefix_list_cmd,
2414 "ipv6 ospf6 advertise prefix-list WORD",
2415 IP6_STR
2416 OSPF6_STR
2417 "Advertising options\n"
2418 "Filter prefix using prefix-list\n"
2419 "Prefix list name\n"
2420 )
2421 {
2422 VTY_DECLVAR_CONTEXT(interface, ifp);
2423 int idx_word = 4;
2424 struct ospf6_interface *oi;
2425 assert(ifp);
2426
2427 oi = (struct ospf6_interface *)ifp->info;
2428 if (oi == NULL)
2429 oi = ospf6_interface_create(ifp);
2430 assert(oi);
2431
2432 if (oi->plist_name)
2433 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
2434 oi->plist_name = XSTRDUP(MTYPE_CFG_PLIST_NAME, argv[idx_word]->arg);
2435
2436 ospf6_interface_connected_route_update(oi->interface);
2437
2438 if (oi->area) {
2439 OSPF6_LINK_LSA_SCHEDULE(oi);
2440 if (oi->state == OSPF6_INTERFACE_DR) {
2441 OSPF6_NETWORK_LSA_SCHEDULE(oi);
2442 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
2443 }
2444 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
2445 }
2446
2447 return CMD_SUCCESS;
2448 }
2449
2450 DEFUN (no_ipv6_ospf6_advertise_prefix_list,
2451 no_ipv6_ospf6_advertise_prefix_list_cmd,
2452 "no ipv6 ospf6 advertise prefix-list [WORD]",
2453 NO_STR
2454 IP6_STR
2455 OSPF6_STR
2456 "Advertising options\n"
2457 "Filter prefix using prefix-list\n"
2458 "Prefix list name\n")
2459 {
2460 VTY_DECLVAR_CONTEXT(interface, ifp);
2461 struct ospf6_interface *oi;
2462 assert(ifp);
2463
2464 oi = (struct ospf6_interface *)ifp->info;
2465 if (oi == NULL)
2466 oi = ospf6_interface_create(ifp);
2467 assert(oi);
2468
2469 if (oi->plist_name)
2470 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
2471
2472 ospf6_interface_connected_route_update(oi->interface);
2473
2474 if (oi->area) {
2475 OSPF6_LINK_LSA_SCHEDULE(oi);
2476 if (oi->state == OSPF6_INTERFACE_DR) {
2477 OSPF6_NETWORK_LSA_SCHEDULE(oi);
2478 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
2479 }
2480 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
2481 }
2482
2483 return CMD_SUCCESS;
2484 }
2485
2486 DEFUN (ipv6_ospf6_network,
2487 ipv6_ospf6_network_cmd,
2488 "ipv6 ospf6 network <broadcast|point-to-point>",
2489 IP6_STR
2490 OSPF6_STR
2491 "Network type\n"
2492 "Specify OSPF6 broadcast network\n"
2493 "Specify OSPF6 point-to-point network\n"
2494 )
2495 {
2496 VTY_DECLVAR_CONTEXT(interface, ifp);
2497 int idx_network = 3;
2498 struct ospf6_interface *oi;
2499 assert(ifp);
2500
2501 oi = (struct ospf6_interface *)ifp->info;
2502 if (oi == NULL) {
2503 oi = ospf6_interface_create(ifp);
2504 }
2505 assert(oi);
2506
2507 oi->type_cfg = true;
2508
2509 if (strncmp(argv[idx_network]->arg, "b", 1) == 0) {
2510 if (oi->type == OSPF_IFTYPE_BROADCAST)
2511 return CMD_SUCCESS;
2512
2513 oi->type = OSPF_IFTYPE_BROADCAST;
2514 } else if (strncmp(argv[idx_network]->arg, "point-to-p", 10) == 0) {
2515 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
2516 return CMD_SUCCESS;
2517 }
2518 oi->type = OSPF_IFTYPE_POINTOPOINT;
2519 }
2520
2521 /* Reset the interface */
2522 thread_execute(master, interface_down, oi, 0);
2523 thread_execute(master, interface_up, oi, 0);
2524
2525 return CMD_SUCCESS;
2526 }
2527
2528 DEFUN (no_ipv6_ospf6_network,
2529 no_ipv6_ospf6_network_cmd,
2530 "no ipv6 ospf6 network [<broadcast|point-to-point>]",
2531 NO_STR
2532 IP6_STR
2533 OSPF6_STR
2534 "Set default network type\n"
2535 "Specify OSPF6 broadcast network\n"
2536 "Specify OSPF6 point-to-point network\n")
2537 {
2538 VTY_DECLVAR_CONTEXT(interface, ifp);
2539 struct ospf6_interface *oi;
2540 int type;
2541
2542 assert(ifp);
2543
2544 oi = (struct ospf6_interface *)ifp->info;
2545 if (oi == NULL) {
2546 return CMD_SUCCESS;
2547 }
2548
2549 oi->type_cfg = false;
2550
2551 type = ospf6_default_iftype(ifp);
2552 if (oi->type == type) {
2553 return CMD_SUCCESS;
2554 }
2555 oi->type = type;
2556
2557 /* Reset the interface */
2558 thread_execute(master, interface_down, oi, 0);
2559 thread_execute(master, interface_up, oi, 0);
2560
2561 return CMD_SUCCESS;
2562 }
2563
2564 static int config_write_ospf6_interface(struct vty *vty, struct vrf *vrf)
2565 {
2566 struct ospf6_interface *oi;
2567 struct interface *ifp;
2568 char buf[INET_ADDRSTRLEN];
2569
2570 FOR_ALL_INTERFACES (vrf, ifp) {
2571 oi = (struct ospf6_interface *)ifp->info;
2572 if (oi == NULL)
2573 continue;
2574
2575 if_vty_config_start(vty, ifp);
2576
2577 if (ifp->desc)
2578 vty_out(vty, " description %s\n", ifp->desc);
2579 if (oi->area_id_format != OSPF6_AREA_FMT_UNSET) {
2580 area_id2str(buf, sizeof(buf), oi->area_id,
2581 oi->area_id_format);
2582 vty_out(vty, " ipv6 ospf6 area %s\n", buf);
2583 }
2584 if (oi->c_ifmtu)
2585 vty_out(vty, " ipv6 ospf6 ifmtu %d\n", oi->c_ifmtu);
2586
2587 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
2588 vty_out(vty, " ipv6 ospf6 cost %d\n", oi->cost);
2589
2590 if (oi->hello_interval != OSPF6_INTERFACE_HELLO_INTERVAL)
2591 vty_out(vty, " ipv6 ospf6 hello-interval %d\n",
2592 oi->hello_interval);
2593
2594 if (oi->dead_interval != OSPF6_INTERFACE_DEAD_INTERVAL)
2595 vty_out(vty, " ipv6 ospf6 dead-interval %d\n",
2596 oi->dead_interval);
2597
2598 if (oi->rxmt_interval != OSPF6_INTERFACE_RXMT_INTERVAL)
2599 vty_out(vty, " ipv6 ospf6 retransmit-interval %d\n",
2600 oi->rxmt_interval);
2601
2602 if (oi->priority != OSPF6_INTERFACE_PRIORITY)
2603 vty_out(vty, " ipv6 ospf6 priority %d\n", oi->priority);
2604
2605 if (oi->transdelay != OSPF6_INTERFACE_TRANSDELAY)
2606 vty_out(vty, " ipv6 ospf6 transmit-delay %d\n",
2607 oi->transdelay);
2608
2609 if (oi->instance_id != OSPF6_INTERFACE_INSTANCE_ID)
2610 vty_out(vty, " ipv6 ospf6 instance-id %d\n",
2611 oi->instance_id);
2612
2613 if (oi->plist_name)
2614 vty_out(vty, " ipv6 ospf6 advertise prefix-list %s\n",
2615 oi->plist_name);
2616
2617 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE))
2618 vty_out(vty, " ipv6 ospf6 passive\n");
2619
2620 if (oi->mtu_ignore)
2621 vty_out(vty, " ipv6 ospf6 mtu-ignore\n");
2622
2623 if (oi->type_cfg && oi->type == OSPF_IFTYPE_POINTOPOINT)
2624 vty_out(vty, " ipv6 ospf6 network point-to-point\n");
2625 else if (oi->type_cfg && oi->type == OSPF_IFTYPE_BROADCAST)
2626 vty_out(vty, " ipv6 ospf6 network broadcast\n");
2627
2628 ospf6_bfd_write_config(vty, oi);
2629
2630 ospf6_auth_write_config(vty, &oi->at_data);
2631 if_vty_config_end(vty);
2632 }
2633 return 0;
2634 }
2635
2636 /* Configuration write function for ospfd. */
2637 static int config_write_interface(struct vty *vty)
2638 {
2639 int write = 0;
2640 struct vrf *vrf = NULL;
2641
2642 /* Display all VRF aware OSPF interface configuration */
2643 RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) {
2644 write += config_write_ospf6_interface(vty, vrf);
2645 }
2646
2647 return write;
2648 }
2649
2650 static int ospf6_ifp_create(struct interface *ifp)
2651 {
2652 if (IS_OSPF6_DEBUG_ZEBRA(RECV))
2653 zlog_debug("Zebra Interface add: %s index %d mtu %d", ifp->name,
2654 ifp->ifindex, ifp->mtu6);
2655
2656 if (ifp->info)
2657 ospf6_interface_start(ifp->info);
2658
2659 return 0;
2660 }
2661
2662 static int ospf6_ifp_up(struct interface *ifp)
2663 {
2664 if (IS_OSPF6_DEBUG_ZEBRA(RECV))
2665 zlog_debug(
2666 "Zebra Interface state change: %s index %d flags %llx metric %d mtu %d bandwidth %d",
2667 ifp->name, ifp->ifindex, (unsigned long long)ifp->flags,
2668 ifp->metric, ifp->mtu6, ifp->bandwidth);
2669
2670 ospf6_interface_state_update(ifp);
2671
2672 return 0;
2673 }
2674
2675 static int ospf6_ifp_down(struct interface *ifp)
2676 {
2677 if (IS_OSPF6_DEBUG_ZEBRA(RECV))
2678 zlog_debug(
2679 "Zebra Interface state change: %s index %d flags %llx metric %d mtu %d bandwidth %d",
2680 ifp->name, ifp->ifindex, (unsigned long long)ifp->flags,
2681 ifp->metric, ifp->mtu6, ifp->bandwidth);
2682
2683 ospf6_interface_state_update(ifp);
2684
2685 return 0;
2686 }
2687
2688 static int ospf6_ifp_destroy(struct interface *ifp)
2689 {
2690 if (if_is_up(ifp))
2691 zlog_warn("Zebra: got delete of %s, but interface is still up",
2692 ifp->name);
2693
2694 if (IS_OSPF6_DEBUG_ZEBRA(RECV))
2695 zlog_debug("Zebra Interface delete: %s index %d mtu %d",
2696 ifp->name, ifp->ifindex, ifp->mtu6);
2697
2698 if (ifp->info)
2699 ospf6_interface_stop(ifp->info);
2700
2701 return 0;
2702 }
2703
2704 void ospf6_interface_init(void)
2705 {
2706 /* Install interface node. */
2707 if_cmd_init(config_write_interface);
2708 if_zapi_callbacks(ospf6_ifp_create, ospf6_ifp_up,
2709 ospf6_ifp_down, ospf6_ifp_destroy);
2710
2711 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
2712 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_ifname_cmd);
2713 install_element(VIEW_NODE,
2714 &show_ipv6_ospf6_interface_ifname_prefix_cmd);
2715 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_traffic_cmd);
2716
2717 install_element(INTERFACE_NODE, &ipv6_ospf6_area_cmd);
2718 install_element(INTERFACE_NODE, &no_ipv6_ospf6_area_cmd);
2719 install_element(INTERFACE_NODE, &ipv6_ospf6_cost_cmd);
2720 install_element(INTERFACE_NODE, &no_ipv6_ospf6_cost_cmd);
2721 install_element(INTERFACE_NODE, &ipv6_ospf6_ifmtu_cmd);
2722 install_element(INTERFACE_NODE, &no_ipv6_ospf6_ifmtu_cmd);
2723
2724 install_element(INTERFACE_NODE, &ipv6_ospf6_deadinterval_cmd);
2725 install_element(INTERFACE_NODE, &ipv6_ospf6_hellointerval_cmd);
2726 install_element(INTERFACE_NODE, &ipv6_ospf6_priority_cmd);
2727 install_element(INTERFACE_NODE, &ipv6_ospf6_retransmitinterval_cmd);
2728 install_element(INTERFACE_NODE, &ipv6_ospf6_transmitdelay_cmd);
2729 install_element(INTERFACE_NODE, &ipv6_ospf6_instance_cmd);
2730 install_element(INTERFACE_NODE, &no_ipv6_ospf6_deadinterval_cmd);
2731 install_element(INTERFACE_NODE, &no_ipv6_ospf6_hellointerval_cmd);
2732 install_element(INTERFACE_NODE, &no_ipv6_ospf6_priority_cmd);
2733 install_element(INTERFACE_NODE, &no_ipv6_ospf6_retransmitinterval_cmd);
2734 install_element(INTERFACE_NODE, &no_ipv6_ospf6_transmitdelay_cmd);
2735 install_element(INTERFACE_NODE, &no_ipv6_ospf6_instance_cmd);
2736
2737 install_element(INTERFACE_NODE, &ipv6_ospf6_passive_cmd);
2738 install_element(INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd);
2739
2740 install_element(INTERFACE_NODE, &ipv6_ospf6_mtu_ignore_cmd);
2741 install_element(INTERFACE_NODE, &no_ipv6_ospf6_mtu_ignore_cmd);
2742
2743 install_element(INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd);
2744 install_element(INTERFACE_NODE,
2745 &no_ipv6_ospf6_advertise_prefix_list_cmd);
2746
2747 install_element(INTERFACE_NODE, &ipv6_ospf6_network_cmd);
2748 install_element(INTERFACE_NODE, &no_ipv6_ospf6_network_cmd);
2749
2750 /* reference bandwidth commands */
2751 install_element(OSPF6_NODE, &auto_cost_reference_bandwidth_cmd);
2752 install_element(OSPF6_NODE, &no_auto_cost_reference_bandwidth_cmd);
2753 /* write-multiplier commands */
2754 install_element(OSPF6_NODE, &ospf6_write_multiplier_cmd);
2755 install_element(OSPF6_NODE, &no_ospf6_write_multiplier_cmd);
2756 }
2757
2758 /* Clear the specified interface structure */
2759 void ospf6_interface_clear(struct interface *ifp)
2760 {
2761 struct ospf6_interface *oi;
2762
2763 if (!if_is_operative(ifp))
2764 return;
2765
2766 if (ifp->info == NULL)
2767 return;
2768
2769 oi = (struct ospf6_interface *)ifp->info;
2770
2771 if (IS_OSPF6_DEBUG_INTERFACE)
2772 zlog_debug("Interface %s: clear by reset", ifp->name);
2773
2774 /* Reset the interface */
2775 thread_execute(master, interface_down, oi, 0);
2776 thread_execute(master, interface_up, oi, 0);
2777 }
2778
2779 /* Clear interface */
2780 DEFUN (clear_ipv6_ospf6_interface,
2781 clear_ipv6_ospf6_interface_cmd,
2782 "clear ipv6 ospf6 [vrf NAME] interface [IFNAME]",
2783 CLEAR_STR
2784 IP6_STR
2785 OSPF6_STR
2786 VRF_CMD_HELP_STR
2787 INTERFACE_STR
2788 IFNAME_STR
2789 )
2790 {
2791 struct vrf *vrf;
2792 int idx_vrf = 3;
2793 int idx_ifname = 4;
2794 struct interface *ifp;
2795 const char *vrf_name;
2796
2797 if (argv_find(argv, argc, "vrf", &idx_vrf))
2798 vrf_name = argv[idx_vrf + 1]->arg;
2799 else
2800 vrf_name = VRF_DEFAULT_NAME;
2801 vrf = vrf_lookup_by_name(vrf_name);
2802 if (!vrf) {
2803 vty_out(vty, "%% VRF %s not found\n", vrf_name);
2804 return CMD_WARNING;
2805 }
2806
2807 if (!argv_find(argv, argc, "IFNAME", &idx_ifname)) {
2808 /* Clear all the ospfv3 interfaces. */
2809 FOR_ALL_INTERFACES (vrf, ifp)
2810 ospf6_interface_clear(ifp);
2811 } else {
2812 /* Interface name is specified. */
2813 ifp = if_lookup_by_name_vrf(argv[idx_ifname]->arg, vrf);
2814 if (!ifp) {
2815 vty_out(vty, "No such Interface: %s\n",
2816 argv[idx_ifname]->arg);
2817 return CMD_WARNING;
2818 }
2819 ospf6_interface_clear(ifp);
2820 }
2821
2822 return CMD_SUCCESS;
2823 }
2824
2825 void install_element_ospf6_clear_interface(void)
2826 {
2827 install_element(ENABLE_NODE, &clear_ipv6_ospf6_interface_cmd);
2828 }
2829
2830 DEFUN (debug_ospf6_interface,
2831 debug_ospf6_interface_cmd,
2832 "debug ospf6 interface",
2833 DEBUG_STR
2834 OSPF6_STR
2835 "Debug OSPFv3 Interface\n"
2836 )
2837 {
2838 OSPF6_DEBUG_INTERFACE_ON();
2839 return CMD_SUCCESS;
2840 }
2841
2842 DEFUN (no_debug_ospf6_interface,
2843 no_debug_ospf6_interface_cmd,
2844 "no debug ospf6 interface",
2845 NO_STR
2846 DEBUG_STR
2847 OSPF6_STR
2848 "Debug OSPFv3 Interface\n"
2849 )
2850 {
2851 OSPF6_DEBUG_INTERFACE_OFF();
2852 return CMD_SUCCESS;
2853 }
2854
2855 int config_write_ospf6_debug_interface(struct vty *vty)
2856 {
2857 if (IS_OSPF6_DEBUG_INTERFACE)
2858 vty_out(vty, "debug ospf6 interface\n");
2859 return 0;
2860 }
2861
2862 void install_element_ospf6_debug_interface(void)
2863 {
2864 install_element(ENABLE_NODE, &debug_ospf6_interface_cmd);
2865 install_element(ENABLE_NODE, &no_debug_ospf6_interface_cmd);
2866 install_element(CONFIG_NODE, &debug_ospf6_interface_cmd);
2867 install_element(CONFIG_NODE, &no_debug_ospf6_interface_cmd);
2868 }
2869
2870 void ospf6_auth_write_config(struct vty *vty, struct ospf6_auth_data *at_data)
2871 {
2872 if (CHECK_FLAG(at_data->flags, OSPF6_AUTH_TRAILER_KEYCHAIN))
2873 vty_out(vty, " ipv6 ospf6 authentication keychain %s\n",
2874 at_data->keychain);
2875 else if (CHECK_FLAG(at_data->flags, OSPF6_AUTH_TRAILER_MANUAL_KEY))
2876 vty_out(vty,
2877 " ipv6 ospf6 authentication key-id %d hash-algo %s key %s\n",
2878 at_data->key_id,
2879 keychain_get_algo_name_by_id(at_data->hash_algo),
2880 at_data->auth_key);
2881 }
2882
2883 DEFUN(ipv6_ospf6_intf_auth_trailer_keychain,
2884 ipv6_ospf6_intf_auth_trailer_keychain_cmd,
2885 "ipv6 ospf6 authentication keychain KEYCHAIN_NAME",
2886 IP6_STR OSPF6_STR
2887 "Enable authentication on this interface\n"
2888 "Keychain\n"
2889 "Keychain name\n")
2890 {
2891 VTY_DECLVAR_CONTEXT(interface, ifp);
2892 int keychain_idx = 4;
2893 struct ospf6_interface *oi;
2894
2895 oi = (struct ospf6_interface *)ifp->info;
2896 if (oi == NULL)
2897 oi = ospf6_interface_create(ifp);
2898
2899 assert(oi);
2900 if (CHECK_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_MANUAL_KEY)) {
2901 vty_out(vty,
2902 "Manual key configured, unconfigure it before configuring key chain\n");
2903 return CMD_WARNING_CONFIG_FAILED;
2904 }
2905
2906 SET_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_KEYCHAIN);
2907 if (oi->at_data.keychain)
2908 XFREE(MTYPE_OSPF6_AUTH_KEYCHAIN, oi->at_data.keychain);
2909
2910 oi->at_data.keychain =
2911 XSTRDUP(MTYPE_OSPF6_AUTH_KEYCHAIN, argv[keychain_idx]->arg);
2912
2913 return CMD_SUCCESS;
2914 }
2915
2916 DEFUN(no_ipv6_ospf6_intf_auth_trailer_keychain,
2917 no_ipv6_ospf6_intf_auth_trailer_keychain_cmd,
2918 "no ipv6 ospf6 authentication keychain [KEYCHAIN_NAME]",
2919 NO_STR IP6_STR OSPF6_STR
2920 "Enable authentication on this interface\n"
2921 "Keychain\n"
2922 "Keychain name\n")
2923 {
2924 VTY_DECLVAR_CONTEXT(interface, ifp);
2925 struct ospf6_interface *oi;
2926
2927 oi = (struct ospf6_interface *)ifp->info;
2928 if (oi == NULL)
2929 oi = ospf6_interface_create(ifp);
2930
2931 assert(oi);
2932 if (!CHECK_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_KEYCHAIN))
2933 return CMD_SUCCESS;
2934
2935 if (oi->at_data.keychain) {
2936 oi->at_data.flags = 0;
2937 XFREE(MTYPE_OSPF6_AUTH_KEYCHAIN, oi->at_data.keychain);
2938 oi->at_data.keychain = NULL;
2939 }
2940
2941 return CMD_SUCCESS;
2942 }
2943
2944 DEFUN(ipv6_ospf6_intf_auth_trailer_key, ipv6_ospf6_intf_auth_trailer_key_cmd,
2945 "ipv6 ospf6 authentication key-id (1-65535) hash-algo "
2946 "<md5|hmac-sha-1|hmac-sha-256|hmac-sha-384|hmac-sha-512> "
2947 "key WORD",
2948 IP6_STR OSPF6_STR
2949 "Authentication\n"
2950 "Key ID\n"
2951 "Key ID value\n"
2952 "Cryptographic-algorithm\n"
2953 "Use MD5 algorithm\n"
2954 "Use HMAC-SHA-1 algorithm\n"
2955 "Use HMAC-SHA-256 algorithm\n"
2956 "Use HMAC-SHA-384 algorithm\n"
2957 "Use HMAC-SHA-512 algorithm\n"
2958 "Password\n"
2959 "Password string (key)\n")
2960 {
2961 VTY_DECLVAR_CONTEXT(interface, ifp);
2962 int key_id_idx = 4;
2963 int hash_algo_idx = 6;
2964 int password_idx = 8;
2965 struct ospf6_interface *oi;
2966 uint8_t hash_algo = KEYCHAIN_ALGO_NULL;
2967
2968 oi = (struct ospf6_interface *)ifp->info;
2969 if (oi == NULL)
2970 oi = ospf6_interface_create(ifp);
2971
2972 assert(oi);
2973 if (CHECK_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_KEYCHAIN)) {
2974 vty_out(vty,
2975 "key chain configured, unconfigure it before configuring manual key\n");
2976 return CMD_WARNING_CONFIG_FAILED;
2977 }
2978
2979 hash_algo = keychain_get_algo_id_by_name(argv[hash_algo_idx]->arg);
2980 #ifndef CRYPTO_OPENSSL
2981 if (hash_algo == KEYCHAIN_ALGO_NULL) {
2982 vty_out(vty,
2983 "Hash algorithm not supported, compile with --with-crypto=openssl\n");
2984 return CMD_WARNING_CONFIG_FAILED;
2985 }
2986 #endif /* CRYPTO_OPENSSL */
2987
2988 SET_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_MANUAL_KEY);
2989 oi->at_data.hash_algo = hash_algo;
2990 oi->at_data.key_id = (uint16_t)strtol(argv[key_id_idx]->arg, NULL, 10);
2991 if (oi->at_data.auth_key)
2992 XFREE(MTYPE_OSPF6_AUTH_MANUAL_KEY, oi->at_data.auth_key);
2993 oi->at_data.auth_key =
2994 XSTRDUP(MTYPE_OSPF6_AUTH_MANUAL_KEY, argv[password_idx]->arg);
2995
2996 return CMD_SUCCESS;
2997 }
2998
2999 DEFUN(no_ipv6_ospf6_intf_auth_trailer_key,
3000 no_ipv6_ospf6_intf_auth_trailer_key_cmd,
3001 "no ipv6 ospf6 authentication key-id [(1-65535) hash-algo "
3002 "<md5|hmac-sha-1|hmac-sha-256|hmac-sha-384|hmac-sha-512> "
3003 "key WORD]",
3004 NO_STR IP6_STR OSPF6_STR
3005 "Authentication\n"
3006 "Key ID\n"
3007 "Key ID value\n"
3008 "Cryptographic-algorithm\n"
3009 "Use MD5 algorithm\n"
3010 "Use HMAC-SHA-1 algorithm\n"
3011 "Use HMAC-SHA-256 algorithm\n"
3012 "Use HMAC-SHA-384 algorithm\n"
3013 "Use HMAC-SHA-512 algorithm\n"
3014 "Password\n"
3015 "Password string (key)\n")
3016 {
3017 VTY_DECLVAR_CONTEXT(interface, ifp);
3018 struct ospf6_interface *oi;
3019 #ifndef CRYPTO_OPENSSL
3020 int hash_algo_idx = 7;
3021 uint8_t hash_algo = KEYCHAIN_ALGO_NULL;
3022 #endif /* CRYPTO_OPENSSL */
3023
3024 oi = (struct ospf6_interface *)ifp->info;
3025 if (oi == NULL)
3026 oi = ospf6_interface_create(ifp);
3027
3028 assert(oi);
3029 if (!CHECK_FLAG(oi->at_data.flags, OSPF6_AUTH_TRAILER_MANUAL_KEY))
3030 return CMD_SUCCESS;
3031
3032 #ifndef CRYPTO_OPENSSL
3033 hash_algo = keychain_get_algo_id_by_name(argv[hash_algo_idx]->arg);
3034 if (hash_algo == KEYCHAIN_ALGO_NULL) {
3035 vty_out(vty,
3036 "Hash algorithm not supported, compile with --with-crypto=openssl\n");
3037 return CMD_WARNING_CONFIG_FAILED;
3038 }
3039 #endif /* CRYPTO_OPENSSL */
3040
3041 if (oi->at_data.auth_key) {
3042 oi->at_data.flags = 0;
3043 XFREE(MTYPE_OSPF6_AUTH_MANUAL_KEY, oi->at_data.auth_key);
3044 oi->at_data.auth_key = NULL;
3045 }
3046
3047 return CMD_SUCCESS;
3048 }
3049
3050 void ospf6_interface_auth_trailer_cmd_init(void)
3051 {
3052 /*Install OSPF6 auth trailer commands at interface level */
3053 install_element(INTERFACE_NODE,
3054 &ipv6_ospf6_intf_auth_trailer_keychain_cmd);
3055 install_element(INTERFACE_NODE,
3056 &no_ipv6_ospf6_intf_auth_trailer_keychain_cmd);
3057 install_element(INTERFACE_NODE, &ipv6_ospf6_intf_auth_trailer_key_cmd);
3058 install_element(INTERFACE_NODE,
3059 &no_ipv6_ospf6_intf_auth_trailer_key_cmd);
3060 }
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