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Merge pull request #4972 from mjstapp/fix_notif_installed
[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_network.h"
35 #include "ospf6_message.h"
36 #include "ospf6_route.h"
37 #include "ospf6_top.h"
38 #include "ospf6_area.h"
39 #include "ospf6_interface.h"
40 #include "ospf6_neighbor.h"
41 #include "ospf6_intra.h"
42 #include "ospf6_spf.h"
43 #include "ospf6d.h"
44 #include "ospf6_bfd.h"
45
46 DEFINE_MTYPE_STATIC(OSPF6D, CFG_PLIST_NAME, "configured prefix list names")
47 DEFINE_QOBJ_TYPE(ospf6_interface)
48 DEFINE_HOOK(ospf6_interface_change,
49 (struct ospf6_interface * oi, int state, int old_state),
50 (oi, state, old_state))
51
52 unsigned char conf_debug_ospf6_interface = 0;
53
54 const char *ospf6_interface_state_str[] = {
55 "None", "Down", "Loopback", "Waiting", "PointToPoint",
56 "DROther", "BDR", "DR", NULL};
57
58 struct ospf6_interface *ospf6_interface_lookup_by_ifindex(ifindex_t ifindex)
59 {
60 struct ospf6_interface *oi;
61 struct interface *ifp;
62
63 ifp = if_lookup_by_index(ifindex, VRF_DEFAULT);
64 if (ifp == NULL)
65 return (struct ospf6_interface *)NULL;
66
67 oi = (struct ospf6_interface *)ifp->info;
68 return oi;
69 }
70
71 /* schedule routing table recalculation */
72 static void ospf6_interface_lsdb_hook(struct ospf6_lsa *lsa,
73 unsigned int reason)
74 {
75 struct ospf6_interface *oi;
76
77 if (lsa == NULL)
78 return;
79
80 oi = lsa->lsdb->data;
81 switch (ntohs(lsa->header->type)) {
82 case OSPF6_LSTYPE_LINK:
83 if (oi->state == OSPF6_INTERFACE_DR)
84 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
85 if (oi->area)
86 ospf6_spf_schedule(oi->area->ospf6, reason);
87 break;
88
89 default:
90 break;
91 }
92 }
93
94 static void ospf6_interface_lsdb_hook_add(struct ospf6_lsa *lsa)
95 {
96 ospf6_interface_lsdb_hook(lsa, ospf6_lsadd_to_spf_reason(lsa));
97 }
98
99 static void ospf6_interface_lsdb_hook_remove(struct ospf6_lsa *lsa)
100 {
101 ospf6_interface_lsdb_hook(lsa, ospf6_lsremove_to_spf_reason(lsa));
102 }
103
104 static uint8_t ospf6_default_iftype(struct interface *ifp)
105 {
106 if (if_is_pointopoint(ifp))
107 return OSPF_IFTYPE_POINTOPOINT;
108 else if (if_is_loopback(ifp))
109 return OSPF_IFTYPE_LOOPBACK;
110 else
111 return OSPF_IFTYPE_BROADCAST;
112 }
113
114 static uint32_t ospf6_interface_get_cost(struct ospf6_interface *oi)
115 {
116 /* If all else fails, use default OSPF cost */
117 uint32_t cost;
118 uint32_t bw, refbw;
119
120 /* interface speed and bw can be 0 in some platforms,
121 * use ospf default bw. If bw is configured then it would
122 * be used.
123 */
124 if (!oi->interface->bandwidth && oi->interface->speed) {
125 bw = oi->interface->speed;
126 } else {
127 bw = oi->interface->bandwidth ? oi->interface->bandwidth
128 : OSPF6_INTERFACE_BANDWIDTH;
129 }
130
131 refbw = ospf6 ? ospf6->ref_bandwidth : OSPF6_REFERENCE_BANDWIDTH;
132
133 /* A specifed ip ospf cost overrides a calculated one. */
134 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
135 cost = oi->cost;
136 else {
137 cost = (uint32_t)((double)refbw / (double)bw + (double)0.5);
138 if (cost < 1)
139 cost = 1;
140 else if (cost > UINT32_MAX)
141 cost = UINT32_MAX;
142 }
143
144 return cost;
145 }
146
147 static void ospf6_interface_force_recalculate_cost(struct ospf6_interface *oi)
148 {
149 /* update cost held in route_connected list in ospf6_interface */
150 ospf6_interface_connected_route_update(oi->interface);
151
152 /* execute LSA hooks */
153 if (oi->area) {
154 OSPF6_LINK_LSA_SCHEDULE(oi);
155 OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
156 OSPF6_NETWORK_LSA_SCHEDULE(oi);
157 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
158 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
159 }
160 }
161
162 static void ospf6_interface_recalculate_cost(struct ospf6_interface *oi)
163 {
164 uint32_t newcost;
165
166 newcost = ospf6_interface_get_cost(oi);
167 if (newcost == oi->cost)
168 return;
169 oi->cost = newcost;
170
171 ospf6_interface_force_recalculate_cost(oi);
172 }
173
174 /* Create new ospf6 interface structure */
175 struct ospf6_interface *ospf6_interface_create(struct interface *ifp)
176 {
177 struct ospf6_interface *oi;
178 unsigned int iobuflen;
179
180 oi = XCALLOC(MTYPE_OSPF6_IF, sizeof(struct ospf6_interface));
181
182 oi->area = (struct ospf6_area *)NULL;
183 oi->neighbor_list = list_new();
184 oi->neighbor_list->cmp = ospf6_neighbor_cmp;
185 oi->linklocal_addr = (struct in6_addr *)NULL;
186 oi->instance_id = OSPF6_INTERFACE_INSTANCE_ID;
187 oi->transdelay = OSPF6_INTERFACE_TRANSDELAY;
188 oi->priority = OSPF6_INTERFACE_PRIORITY;
189
190 oi->hello_interval = OSPF_HELLO_INTERVAL_DEFAULT;
191 oi->dead_interval = OSPF_ROUTER_DEAD_INTERVAL_DEFAULT;
192 oi->rxmt_interval = OSPF_RETRANSMIT_INTERVAL_DEFAULT;
193 oi->type = ospf6_default_iftype(ifp);
194 oi->state = OSPF6_INTERFACE_DOWN;
195 oi->flag = 0;
196 oi->mtu_ignore = 0;
197 oi->c_ifmtu = 0;
198
199 /* Try to adjust I/O buffer size with IfMtu */
200 oi->ifmtu = ifp->mtu6;
201 iobuflen = ospf6_iobuf_size(ifp->mtu6);
202 if (oi->ifmtu > iobuflen) {
203 if (IS_OSPF6_DEBUG_INTERFACE)
204 zlog_debug(
205 "Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
206 ifp->name, iobuflen);
207 oi->ifmtu = iobuflen;
208 }
209
210 QOBJ_REG(oi, ospf6_interface);
211
212 oi->lsupdate_list = ospf6_lsdb_create(oi);
213 oi->lsack_list = ospf6_lsdb_create(oi);
214 oi->lsdb = ospf6_lsdb_create(oi);
215 oi->lsdb->hook_add = ospf6_interface_lsdb_hook_add;
216 oi->lsdb->hook_remove = ospf6_interface_lsdb_hook_remove;
217 oi->lsdb_self = ospf6_lsdb_create(oi);
218
219 oi->route_connected =
220 OSPF6_ROUTE_TABLE_CREATE(INTERFACE, CONNECTED_ROUTES);
221 oi->route_connected->scope = oi;
222
223 /* link both */
224 oi->interface = ifp;
225 ifp->info = oi;
226
227 /* Compute cost. */
228 oi->cost = ospf6_interface_get_cost(oi);
229
230 return oi;
231 }
232
233 void ospf6_interface_delete(struct ospf6_interface *oi)
234 {
235 struct listnode *node, *nnode;
236 struct ospf6_neighbor *on;
237
238 QOBJ_UNREG(oi);
239
240 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
241 ospf6_neighbor_delete(on);
242
243 list_delete(&oi->neighbor_list);
244
245 THREAD_OFF(oi->thread_send_hello);
246 THREAD_OFF(oi->thread_send_lsupdate);
247 THREAD_OFF(oi->thread_send_lsack);
248 THREAD_OFF(oi->thread_sso);
249
250 ospf6_lsdb_remove_all(oi->lsdb);
251 ospf6_lsdb_remove_all(oi->lsupdate_list);
252 ospf6_lsdb_remove_all(oi->lsack_list);
253
254 ospf6_lsdb_delete(oi->lsdb);
255 ospf6_lsdb_delete(oi->lsdb_self);
256
257 ospf6_lsdb_delete(oi->lsupdate_list);
258 ospf6_lsdb_delete(oi->lsack_list);
259
260 ospf6_route_table_delete(oi->route_connected);
261
262 /* cut link */
263 oi->interface->info = NULL;
264
265 /* plist_name */
266 if (oi->plist_name)
267 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
268
269 ospf6_bfd_info_free(&(oi->bfd_info));
270
271 /* disable from area list if possible */
272 ospf6_area_interface_delete(oi);
273
274 XFREE(MTYPE_OSPF6_IF, oi);
275 }
276
277 void ospf6_interface_enable(struct ospf6_interface *oi)
278 {
279 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
280 ospf6_interface_state_update(oi->interface);
281 }
282
283 void ospf6_interface_disable(struct ospf6_interface *oi)
284 {
285 SET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
286
287 thread_execute(master, interface_down, oi, 0);
288
289 ospf6_lsdb_remove_all(oi->lsdb);
290 ospf6_lsdb_remove_all(oi->lsdb_self);
291 ospf6_lsdb_remove_all(oi->lsupdate_list);
292 ospf6_lsdb_remove_all(oi->lsack_list);
293
294 THREAD_OFF(oi->thread_send_hello);
295 THREAD_OFF(oi->thread_send_lsupdate);
296 THREAD_OFF(oi->thread_send_lsack);
297 THREAD_OFF(oi->thread_sso);
298
299 THREAD_OFF(oi->thread_network_lsa);
300 THREAD_OFF(oi->thread_link_lsa);
301 THREAD_OFF(oi->thread_intra_prefix_lsa);
302 THREAD_OFF(oi->thread_as_extern_lsa);
303 }
304
305 static struct in6_addr *
306 ospf6_interface_get_linklocal_address(struct interface *ifp)
307 {
308 struct listnode *n;
309 struct connected *c;
310 struct in6_addr *l = (struct in6_addr *)NULL;
311
312 /* for each connected address */
313 for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) {
314 /* if family not AF_INET6, ignore */
315 if (c->address->family != AF_INET6)
316 continue;
317
318 /* linklocal scope check */
319 if (IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6))
320 l = &c->address->u.prefix6;
321 }
322 return l;
323 }
324
325 void ospf6_interface_if_add(struct interface *ifp)
326 {
327 struct ospf6_interface *oi;
328 unsigned int iobuflen;
329
330 oi = (struct ospf6_interface *)ifp->info;
331 if (oi == NULL)
332 return;
333
334 /* Try to adjust I/O buffer size with IfMtu */
335 if (oi->ifmtu == 0)
336 oi->ifmtu = ifp->mtu6;
337 iobuflen = ospf6_iobuf_size(ifp->mtu6);
338 if (oi->ifmtu > iobuflen) {
339 if (IS_OSPF6_DEBUG_INTERFACE)
340 zlog_debug(
341 "Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
342 ifp->name, iobuflen);
343 oi->ifmtu = iobuflen;
344 }
345
346 /* interface start */
347 ospf6_interface_state_update(oi->interface);
348 }
349
350 void ospf6_interface_state_update(struct interface *ifp)
351 {
352 struct ospf6_interface *oi;
353 unsigned int iobuflen;
354
355 oi = (struct ospf6_interface *)ifp->info;
356 if (oi == NULL)
357 return;
358 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
359 return;
360
361 /* Adjust the mtu values if the kernel told us something new */
362 if (ifp->mtu6 != oi->ifmtu) {
363 /* If nothing configured, accept it and check for buffer size */
364 if (!oi->c_ifmtu) {
365 oi->ifmtu = ifp->mtu6;
366 iobuflen = ospf6_iobuf_size(ifp->mtu6);
367 if (oi->ifmtu > iobuflen) {
368 if (IS_OSPF6_DEBUG_INTERFACE)
369 zlog_debug(
370 "Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
371 ifp->name, iobuflen);
372 oi->ifmtu = iobuflen;
373 }
374 } else if (oi->c_ifmtu > ifp->mtu6) {
375 oi->ifmtu = ifp->mtu6;
376 zlog_warn(
377 "Configured mtu %u on %s overridden by kernel %u",
378 oi->c_ifmtu, ifp->name, ifp->mtu6);
379 } else
380 oi->ifmtu = oi->c_ifmtu;
381 }
382
383 if (if_is_operative(ifp)
384 && (ospf6_interface_get_linklocal_address(oi->interface)
385 || if_is_loopback(oi->interface)))
386 thread_execute(master, interface_up, oi, 0);
387 else
388 thread_execute(master, interface_down, oi, 0);
389
390 return;
391 }
392
393 void ospf6_interface_connected_route_update(struct interface *ifp)
394 {
395 struct ospf6_interface *oi;
396 struct ospf6_route *route;
397 struct connected *c;
398 struct listnode *node, *nnode;
399 struct in6_addr nh_addr;
400
401 oi = (struct ospf6_interface *)ifp->info;
402 if (oi == NULL)
403 return;
404
405 /* reset linklocal pointer */
406 oi->linklocal_addr = ospf6_interface_get_linklocal_address(ifp);
407
408 /* if area is null, do not make connected-route list */
409 if (oi->area == NULL)
410 return;
411
412 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
413 return;
414
415 /* update "route to advertise" interface route table */
416 ospf6_route_remove_all(oi->route_connected);
417
418 for (ALL_LIST_ELEMENTS(oi->interface->connected, node, nnode, c)) {
419 if (c->address->family != AF_INET6)
420 continue;
421
422 CONTINUE_IF_ADDRESS_LINKLOCAL(IS_OSPF6_DEBUG_INTERFACE,
423 c->address);
424 CONTINUE_IF_ADDRESS_UNSPECIFIED(IS_OSPF6_DEBUG_INTERFACE,
425 c->address);
426 CONTINUE_IF_ADDRESS_LOOPBACK(IS_OSPF6_DEBUG_INTERFACE,
427 c->address);
428 CONTINUE_IF_ADDRESS_V4COMPAT(IS_OSPF6_DEBUG_INTERFACE,
429 c->address);
430 CONTINUE_IF_ADDRESS_V4MAPPED(IS_OSPF6_DEBUG_INTERFACE,
431 c->address);
432
433 /* apply filter */
434 if (oi->plist_name) {
435 struct prefix_list *plist;
436 enum prefix_list_type ret;
437 char buf[PREFIX2STR_BUFFER];
438
439 prefix2str(c->address, buf, sizeof(buf));
440 plist = prefix_list_lookup(AFI_IP6, oi->plist_name);
441 ret = prefix_list_apply(plist, (void *)c->address);
442 if (ret == PREFIX_DENY) {
443 if (IS_OSPF6_DEBUG_INTERFACE)
444 zlog_debug(
445 "%s on %s filtered by prefix-list %s ",
446 buf, oi->interface->name,
447 oi->plist_name);
448 continue;
449 }
450 }
451
452 route = ospf6_route_create();
453 memcpy(&route->prefix, c->address, sizeof(struct prefix));
454 apply_mask(&route->prefix);
455 route->type = OSPF6_DEST_TYPE_NETWORK;
456 route->path.area_id = oi->area->area_id;
457 route->path.type = OSPF6_PATH_TYPE_INTRA;
458 route->path.cost = oi->cost;
459 inet_pton(AF_INET6, "::1", &nh_addr);
460 ospf6_route_add_nexthop(route, oi->interface->ifindex,
461 &nh_addr);
462 ospf6_route_add(route, oi->route_connected);
463 }
464
465 /* create new Link-LSA */
466 OSPF6_LINK_LSA_SCHEDULE(oi);
467 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
468 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
469 }
470
471 static void ospf6_interface_state_change(uint8_t next_state,
472 struct ospf6_interface *oi)
473 {
474 uint8_t prev_state;
475
476 prev_state = oi->state;
477 oi->state = next_state;
478
479 if (prev_state == next_state)
480 return;
481
482 /* log */
483 if (IS_OSPF6_DEBUG_INTERFACE) {
484 zlog_debug("Interface state change %s: %s -> %s",
485 oi->interface->name,
486 ospf6_interface_state_str[prev_state],
487 ospf6_interface_state_str[next_state]);
488 }
489 oi->state_change++;
490
491 if ((prev_state == OSPF6_INTERFACE_DR
492 || prev_state == OSPF6_INTERFACE_BDR)
493 && (next_state != OSPF6_INTERFACE_DR
494 && next_state != OSPF6_INTERFACE_BDR))
495 ospf6_sso(oi->interface->ifindex, &alldrouters6,
496 IPV6_LEAVE_GROUP);
497
498 if ((prev_state != OSPF6_INTERFACE_DR
499 && prev_state != OSPF6_INTERFACE_BDR)
500 && (next_state == OSPF6_INTERFACE_DR
501 || next_state == OSPF6_INTERFACE_BDR))
502 ospf6_sso(oi->interface->ifindex, &alldrouters6,
503 IPV6_JOIN_GROUP);
504
505 OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
506 if (next_state == OSPF6_INTERFACE_DOWN) {
507 OSPF6_NETWORK_LSA_EXECUTE(oi);
508 OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
509 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
510 OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
511 } else if (prev_state == OSPF6_INTERFACE_DR
512 || next_state == OSPF6_INTERFACE_DR) {
513 OSPF6_NETWORK_LSA_SCHEDULE(oi);
514 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
515 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
516 }
517
518 hook_call(ospf6_interface_change, oi, next_state, prev_state);
519 }
520
521
522 /* DR Election, RFC2328 section 9.4 */
523
524 #define IS_ELIGIBLE(n) \
525 ((n)->state >= OSPF6_NEIGHBOR_TWOWAY && (n)->priority != 0)
526
527 static struct ospf6_neighbor *better_bdrouter(struct ospf6_neighbor *a,
528 struct ospf6_neighbor *b)
529 {
530 if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
531 && (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id))
532 return NULL;
533 else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
534 return b;
535 else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id)
536 return a;
537
538 if (a->bdrouter == a->router_id && b->bdrouter != b->router_id)
539 return a;
540 if (a->bdrouter != a->router_id && b->bdrouter == b->router_id)
541 return b;
542
543 if (a->priority > b->priority)
544 return a;
545 if (a->priority < b->priority)
546 return b;
547
548 if (ntohl(a->router_id) > ntohl(b->router_id))
549 return a;
550 if (ntohl(a->router_id) < ntohl(b->router_id))
551 return b;
552
553 zlog_warn("Router-ID duplicate ?");
554 return a;
555 }
556
557 static struct ospf6_neighbor *better_drouter(struct ospf6_neighbor *a,
558 struct ospf6_neighbor *b)
559 {
560 if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
561 && (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id))
562 return NULL;
563 else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
564 return b;
565 else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id)
566 return a;
567
568 if (a->drouter == a->router_id && b->drouter != b->router_id)
569 return a;
570 if (a->drouter != a->router_id && b->drouter == b->router_id)
571 return b;
572
573 if (a->priority > b->priority)
574 return a;
575 if (a->priority < b->priority)
576 return b;
577
578 if (ntohl(a->router_id) > ntohl(b->router_id))
579 return a;
580 if (ntohl(a->router_id) < ntohl(b->router_id))
581 return b;
582
583 zlog_warn("Router-ID duplicate ?");
584 return a;
585 }
586
587 static uint8_t dr_election(struct ospf6_interface *oi)
588 {
589 struct listnode *node, *nnode;
590 struct ospf6_neighbor *on, *drouter, *bdrouter, myself;
591 struct ospf6_neighbor *best_drouter, *best_bdrouter;
592 uint8_t next_state = 0;
593
594 drouter = bdrouter = NULL;
595 best_drouter = best_bdrouter = NULL;
596
597 /* pseudo neighbor myself, including noting current DR/BDR (1) */
598 memset(&myself, 0, sizeof(myself));
599 inet_ntop(AF_INET, &oi->area->ospf6->router_id, myself.name,
600 sizeof(myself.name));
601 myself.state = OSPF6_NEIGHBOR_TWOWAY;
602 myself.drouter = oi->drouter;
603 myself.bdrouter = oi->bdrouter;
604 myself.priority = oi->priority;
605 myself.router_id = oi->area->ospf6->router_id;
606
607 /* Electing BDR (2) */
608 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
609 bdrouter = better_bdrouter(bdrouter, on);
610
611 best_bdrouter = bdrouter;
612 bdrouter = better_bdrouter(best_bdrouter, &myself);
613
614 /* Electing DR (3) */
615 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
616 drouter = better_drouter(drouter, on);
617
618 best_drouter = drouter;
619 drouter = better_drouter(best_drouter, &myself);
620 if (drouter == NULL)
621 drouter = bdrouter;
622
623 /* the router itself is newly/no longer DR/BDR (4) */
624 if ((drouter == &myself && myself.drouter != myself.router_id)
625 || (drouter != &myself && myself.drouter == myself.router_id)
626 || (bdrouter == &myself && myself.bdrouter != myself.router_id)
627 || (bdrouter != &myself && myself.bdrouter == myself.router_id)) {
628 myself.drouter = (drouter ? drouter->router_id : htonl(0));
629 myself.bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
630
631 /* compatible to Electing BDR (2) */
632 bdrouter = better_bdrouter(best_bdrouter, &myself);
633
634 /* compatible to Electing DR (3) */
635 drouter = better_drouter(best_drouter, &myself);
636 if (drouter == NULL)
637 drouter = bdrouter;
638 }
639
640 /* Set interface state accordingly (5) */
641 if (drouter && drouter == &myself)
642 next_state = OSPF6_INTERFACE_DR;
643 else if (bdrouter && bdrouter == &myself)
644 next_state = OSPF6_INTERFACE_BDR;
645 else
646 next_state = OSPF6_INTERFACE_DROTHER;
647
648 /* If NBMA, schedule Start for each neighbor having priority of 0 (6) */
649 /* XXX */
650
651 /* If DR or BDR change, invoke AdjOK? for each neighbor (7) */
652 /* RFC 2328 section 12.4. Originating LSAs (3) will be handled
653 accordingly after AdjOK */
654 if (oi->drouter != (drouter ? drouter->router_id : htonl(0))
655 || oi->bdrouter != (bdrouter ? bdrouter->router_id : htonl(0))) {
656 if (IS_OSPF6_DEBUG_INTERFACE)
657 zlog_debug("DR Election on %s: DR: %s BDR: %s",
658 oi->interface->name,
659 (drouter ? drouter->name : "0.0.0.0"),
660 (bdrouter ? bdrouter->name : "0.0.0.0"));
661
662 for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, node, on)) {
663 if (on->state < OSPF6_NEIGHBOR_TWOWAY)
664 continue;
665 /* Schedule AdjOK. */
666 thread_add_event(master, adj_ok, on, 0, NULL);
667 }
668 }
669
670 oi->drouter = (drouter ? drouter->router_id : htonl(0));
671 oi->bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
672 return next_state;
673 }
674
675
676 /* Interface State Machine */
677 int interface_up(struct thread *thread)
678 {
679 struct ospf6_interface *oi;
680
681 oi = (struct ospf6_interface *)THREAD_ARG(thread);
682 assert(oi && oi->interface);
683
684 if (!oi->type_cfg)
685 oi->type = ospf6_default_iftype(oi->interface);
686
687 /*
688 * Remove old pointer. If this thread wasn't a timer this
689 * operation won't make a difference, because it is already NULL.
690 */
691 oi->thread_sso = NULL;
692
693 if (IS_OSPF6_DEBUG_INTERFACE)
694 zlog_debug("Interface Event %s: [InterfaceUp]",
695 oi->interface->name);
696
697 /* check physical interface is up */
698 if (!if_is_operative(oi->interface)) {
699 if (IS_OSPF6_DEBUG_INTERFACE)
700 zlog_debug(
701 "Interface %s is down, can't execute [InterfaceUp]",
702 oi->interface->name);
703 return 0;
704 }
705
706 /* check interface has a link-local address */
707 if (!(ospf6_interface_get_linklocal_address(oi->interface)
708 || if_is_loopback(oi->interface))) {
709 if (IS_OSPF6_DEBUG_INTERFACE)
710 zlog_debug(
711 "Interface %s has no link local address, can't execute [InterfaceUp]",
712 oi->interface->name);
713 return 0;
714 }
715
716 /* Recompute cost */
717 ospf6_interface_recalculate_cost(oi);
718
719 /* if already enabled, do nothing */
720 if (oi->state > OSPF6_INTERFACE_DOWN) {
721 if (IS_OSPF6_DEBUG_INTERFACE)
722 zlog_debug("Interface %s already enabled",
723 oi->interface->name);
724 return 0;
725 }
726
727 /* If no area assigned, return */
728 if (oi->area == NULL) {
729 zlog_debug(
730 "%s: Not scheduleing Hello for %s as there is no area assigned yet",
731 __func__, oi->interface->name);
732 return 0;
733 }
734
735 #ifdef __FreeBSD__
736 /*
737 * XXX: Schedule IPv6 group join for later, otherwise we might
738 * lose the multicast group registration caused by IPv6 group
739 * leave race.
740 */
741 if (oi->sso_try_cnt == 0) {
742 oi->sso_try_cnt++;
743 zlog_info("Scheduling %s for sso", oi->interface->name);
744 thread_add_timer(master, interface_up, oi,
745 OSPF6_INTERFACE_SSO_RETRY_INT,
746 &oi->thread_sso);
747 return 0;
748 }
749 #endif /* __FreeBSD__ */
750
751 /* Join AllSPFRouters */
752 if (ospf6_sso(oi->interface->ifindex, &allspfrouters6, IPV6_JOIN_GROUP)
753 < 0) {
754 if (oi->sso_try_cnt++ < OSPF6_INTERFACE_SSO_RETRY_MAX) {
755 zlog_info(
756 "Scheduling %s for sso retry, trial count: %d",
757 oi->interface->name, oi->sso_try_cnt);
758 thread_add_timer(master, interface_up, oi,
759 OSPF6_INTERFACE_SSO_RETRY_INT,
760 &oi->thread_sso);
761 }
762 return 0;
763 }
764 oi->sso_try_cnt = 0; /* Reset on success */
765
766 /* Update interface route */
767 ospf6_interface_connected_route_update(oi->interface);
768
769 /* Schedule Hello */
770 if (!CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE)
771 && !if_is_loopback(oi->interface)) {
772 oi->thread_send_hello = NULL;
773 thread_add_event(master, ospf6_hello_send, oi, 0,
774 &oi->thread_send_hello);
775 }
776
777 /* decide next interface state */
778 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
779 ospf6_interface_state_change(OSPF6_INTERFACE_POINTTOPOINT, oi);
780 } else if (oi->priority == 0)
781 ospf6_interface_state_change(OSPF6_INTERFACE_DROTHER, oi);
782 else {
783 ospf6_interface_state_change(OSPF6_INTERFACE_WAITING, oi);
784 thread_add_timer(master, wait_timer, oi, oi->dead_interval,
785 NULL);
786 }
787
788 return 0;
789 }
790
791 int wait_timer(struct thread *thread)
792 {
793 struct ospf6_interface *oi;
794
795 oi = (struct ospf6_interface *)THREAD_ARG(thread);
796 assert(oi && oi->interface);
797
798 if (IS_OSPF6_DEBUG_INTERFACE)
799 zlog_debug("Interface Event %s: [WaitTimer]",
800 oi->interface->name);
801
802 if (oi->state == OSPF6_INTERFACE_WAITING)
803 ospf6_interface_state_change(dr_election(oi), oi);
804
805 return 0;
806 }
807
808 int backup_seen(struct thread *thread)
809 {
810 struct ospf6_interface *oi;
811
812 oi = (struct ospf6_interface *)THREAD_ARG(thread);
813 assert(oi && oi->interface);
814
815 if (IS_OSPF6_DEBUG_INTERFACE)
816 zlog_debug("Interface Event %s: [BackupSeen]",
817 oi->interface->name);
818
819 if (oi->state == OSPF6_INTERFACE_WAITING)
820 ospf6_interface_state_change(dr_election(oi), oi);
821
822 return 0;
823 }
824
825 int neighbor_change(struct thread *thread)
826 {
827 struct ospf6_interface *oi;
828
829 oi = (struct ospf6_interface *)THREAD_ARG(thread);
830 assert(oi && oi->interface);
831
832 if (IS_OSPF6_DEBUG_INTERFACE)
833 zlog_debug("Interface Event %s: [NeighborChange]",
834 oi->interface->name);
835
836 if (oi->state == OSPF6_INTERFACE_DROTHER
837 || oi->state == OSPF6_INTERFACE_BDR
838 || oi->state == OSPF6_INTERFACE_DR)
839 ospf6_interface_state_change(dr_election(oi), oi);
840
841 return 0;
842 }
843
844 int interface_down(struct thread *thread)
845 {
846 struct ospf6_interface *oi;
847 struct listnode *node, *nnode;
848 struct ospf6_neighbor *on;
849
850 oi = (struct ospf6_interface *)THREAD_ARG(thread);
851 assert(oi && oi->interface);
852
853 if (IS_OSPF6_DEBUG_INTERFACE)
854 zlog_debug("Interface Event %s: [InterfaceDown]",
855 oi->interface->name);
856
857 /* Stop Hellos */
858 THREAD_OFF(oi->thread_send_hello);
859
860 /* Stop trying to set socket options. */
861 THREAD_OFF(oi->thread_sso);
862
863 /* Leave AllSPFRouters */
864 if (oi->state > OSPF6_INTERFACE_DOWN)
865 ospf6_sso(oi->interface->ifindex, &allspfrouters6,
866 IPV6_LEAVE_GROUP);
867
868 ospf6_interface_state_change(OSPF6_INTERFACE_DOWN, oi);
869
870 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
871 ospf6_neighbor_delete(on);
872
873 list_delete_all_node(oi->neighbor_list);
874
875 /* When interface state is reset, also reset information about
876 * DR election, as it is no longer valid. */
877 oi->drouter = oi->prev_drouter = htonl(0);
878 oi->bdrouter = oi->prev_bdrouter = htonl(0);
879 return 0;
880 }
881
882
883 static const char *ospf6_iftype_str(uint8_t iftype)
884 {
885 switch (iftype) {
886 case OSPF_IFTYPE_LOOPBACK:
887 return "LOOPBACK";
888 case OSPF_IFTYPE_BROADCAST:
889 return "BROADCAST";
890 case OSPF_IFTYPE_POINTOPOINT:
891 return "POINTOPOINT";
892 }
893 return "UNKNOWN";
894 }
895
896 /* show specified interface structure */
897 static int ospf6_interface_show(struct vty *vty, struct interface *ifp)
898 {
899 struct ospf6_interface *oi;
900 struct connected *c;
901 struct prefix *p;
902 struct listnode *i;
903 char strbuf[PREFIX2STR_BUFFER], drouter[32], bdrouter[32];
904 uint8_t default_iftype;
905 struct timeval res, now;
906 char duration[32];
907 struct ospf6_lsa *lsa;
908
909 default_iftype = ospf6_default_iftype(ifp);
910
911 vty_out(vty, "%s is %s, type %s\n", ifp->name,
912 (if_is_operative(ifp) ? "up" : "down"),
913 ospf6_iftype_str(default_iftype));
914 vty_out(vty, " Interface ID: %d\n", ifp->ifindex);
915
916 if (ifp->info == NULL) {
917 vty_out(vty, " OSPF not enabled on this interface\n");
918 return 0;
919 } else
920 oi = (struct ospf6_interface *)ifp->info;
921
922 if (if_is_operative(ifp) && oi->type != default_iftype)
923 vty_out(vty, " Operating as type %s\n",
924 ospf6_iftype_str(oi->type));
925
926 vty_out(vty, " Internet Address:\n");
927
928 for (ALL_LIST_ELEMENTS_RO(ifp->connected, i, c)) {
929 p = c->address;
930 prefix2str(p, strbuf, sizeof(strbuf));
931 switch (p->family) {
932 case AF_INET:
933 vty_out(vty, " inet : %s\n", strbuf);
934 break;
935 case AF_INET6:
936 vty_out(vty, " inet6: %s\n", strbuf);
937 break;
938 default:
939 vty_out(vty, " ??? : %s\n", strbuf);
940 break;
941 }
942 }
943
944 if (oi->area) {
945 vty_out(vty,
946 " Instance ID %d, Interface MTU %d (autodetect: %d)\n",
947 oi->instance_id, oi->ifmtu, ifp->mtu6);
948 vty_out(vty, " MTU mismatch detection: %s\n",
949 oi->mtu_ignore ? "disabled" : "enabled");
950 inet_ntop(AF_INET, &oi->area->area_id, strbuf, sizeof(strbuf));
951 vty_out(vty, " Area ID %s, Cost %u\n", strbuf, oi->cost);
952 } else
953 vty_out(vty, " Not Attached to Area\n");
954
955 vty_out(vty, " State %s, Transmit Delay %d sec, Priority %d\n",
956 ospf6_interface_state_str[oi->state], oi->transdelay,
957 oi->priority);
958 vty_out(vty, " Timer intervals configured:\n");
959 vty_out(vty, " Hello %d, Dead %d, Retransmit %d\n",
960 oi->hello_interval, oi->dead_interval, oi->rxmt_interval);
961
962 inet_ntop(AF_INET, &oi->drouter, drouter, sizeof(drouter));
963 inet_ntop(AF_INET, &oi->bdrouter, bdrouter, sizeof(bdrouter));
964 vty_out(vty, " DR: %s BDR: %s\n", drouter, bdrouter);
965
966 vty_out(vty, " Number of I/F scoped LSAs is %u\n", oi->lsdb->count);
967
968 monotime(&now);
969
970 timerclear(&res);
971 if (oi->thread_send_lsupdate)
972 timersub(&oi->thread_send_lsupdate->u.sands, &now, &res);
973 timerstring(&res, duration, sizeof(duration));
974 vty_out(vty,
975 " %d Pending LSAs for LSUpdate in Time %s [thread %s]\n",
976 oi->lsupdate_list->count, duration,
977 (oi->thread_send_lsupdate ? "on" : "off"));
978 for (ALL_LSDB(oi->lsupdate_list, lsa))
979 vty_out(vty, " %s\n", lsa->name);
980
981 timerclear(&res);
982 if (oi->thread_send_lsack)
983 timersub(&oi->thread_send_lsack->u.sands, &now, &res);
984 timerstring(&res, duration, sizeof(duration));
985 vty_out(vty, " %d Pending LSAs for LSAck in Time %s [thread %s]\n",
986 oi->lsack_list->count, duration,
987 (oi->thread_send_lsack ? "on" : "off"));
988 for (ALL_LSDB(oi->lsack_list, lsa))
989 vty_out(vty, " %s\n", lsa->name);
990 ospf6_bfd_show_info(vty, oi->bfd_info, 1);
991 return 0;
992 }
993
994 /* show interface */
995 DEFUN (show_ipv6_ospf6_interface,
996 show_ipv6_ospf6_interface_ifname_cmd,
997 "show ipv6 ospf6 interface [IFNAME]",
998 SHOW_STR
999 IP6_STR
1000 OSPF6_STR
1001 INTERFACE_STR
1002 IFNAME_STR)
1003 {
1004 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
1005 int idx_ifname = 4;
1006 struct interface *ifp;
1007
1008 if (argc == 5) {
1009 ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
1010 if (ifp == NULL) {
1011 vty_out(vty, "No such Interface: %s\n",
1012 argv[idx_ifname]->arg);
1013 return CMD_WARNING;
1014 }
1015 ospf6_interface_show(vty, ifp);
1016 } else {
1017 FOR_ALL_INTERFACES (vrf, ifp)
1018 ospf6_interface_show(vty, ifp);
1019 }
1020
1021 return CMD_SUCCESS;
1022 }
1023
1024 static int ospf6_interface_show_traffic(struct vty *vty, uint32_t vrf_id,
1025 struct interface *intf_ifp,
1026 int display_once)
1027 {
1028 struct interface *ifp;
1029 struct vrf *vrf = NULL;
1030 struct ospf6_interface *oi = NULL;
1031
1032 vrf = vrf_lookup_by_id(vrf_id);
1033
1034 if (!display_once) {
1035 vty_out(vty, "\n");
1036 vty_out(vty, "%-12s%-17s%-17s%-17s%-17s%-17s\n", "Interface",
1037 " HELLO", " DB-Desc", " LS-Req", " LS-Update",
1038 " LS-Ack");
1039 vty_out(vty, "%-10s%-18s%-18s%-17s%-17s%-17s\n", "",
1040 " Rx/Tx", " Rx/Tx", " Rx/Tx", " Rx/Tx",
1041 " Rx/Tx");
1042 vty_out(vty,
1043 "--------------------------------------------------------------------------------------------\n");
1044 }
1045
1046 if (intf_ifp == NULL) {
1047 FOR_ALL_INTERFACES (vrf, ifp) {
1048 if (ifp->info)
1049 oi = (struct ospf6_interface *)ifp->info;
1050 else
1051 continue;
1052
1053 vty_out(vty,
1054 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1055 oi->interface->name, oi->hello_in,
1056 oi->hello_out, oi->db_desc_in, oi->db_desc_out,
1057 oi->ls_req_in, oi->ls_req_out, oi->ls_upd_in,
1058 oi->ls_upd_out, oi->ls_ack_in, oi->ls_ack_out);
1059 }
1060 } else {
1061 oi = intf_ifp->info;
1062 if (oi == NULL)
1063 return CMD_WARNING;
1064
1065 vty_out(vty,
1066 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1067 oi->interface->name, oi->hello_in, oi->hello_out,
1068 oi->db_desc_in, oi->db_desc_out, oi->ls_req_in,
1069 oi->ls_req_out, oi->ls_upd_in, oi->ls_upd_out,
1070 oi->ls_ack_in, oi->ls_ack_out);
1071 }
1072
1073 return CMD_SUCCESS;
1074 }
1075
1076 /* show interface */
1077 DEFUN (show_ipv6_ospf6_interface_traffic,
1078 show_ipv6_ospf6_interface_traffic_cmd,
1079 "show ipv6 ospf6 interface traffic [IFNAME]",
1080 SHOW_STR
1081 IP6_STR
1082 OSPF6_STR
1083 INTERFACE_STR
1084 "Protocol Packet counters\n"
1085 IFNAME_STR)
1086 {
1087 int idx_ifname = 0;
1088 int display_once = 0;
1089 char *intf_name = NULL;
1090 struct interface *ifp = NULL;
1091
1092 if (argv_find(argv, argc, "IFNAME", &idx_ifname)) {
1093 intf_name = argv[idx_ifname]->arg;
1094 ifp = if_lookup_by_name(intf_name, VRF_DEFAULT);
1095 if (ifp == NULL) {
1096 vty_out(vty, "No such Interface: %s\n", intf_name);
1097 return CMD_WARNING;
1098 }
1099 if (ifp->info == NULL) {
1100 vty_out(vty,
1101 " OSPF not enabled on this interface %s\n",
1102 intf_name);
1103 return 0;
1104 }
1105 }
1106
1107 ospf6_interface_show_traffic(vty, VRF_DEFAULT, ifp, display_once);
1108
1109
1110 return CMD_SUCCESS;
1111 }
1112
1113
1114 DEFUN (show_ipv6_ospf6_interface_ifname_prefix,
1115 show_ipv6_ospf6_interface_ifname_prefix_cmd,
1116 "show ipv6 ospf6 interface IFNAME prefix\
1117 [<\
1118 detail\
1119 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1120 >]",
1121 SHOW_STR
1122 IP6_STR
1123 OSPF6_STR
1124 INTERFACE_STR
1125 IFNAME_STR
1126 "Display connected prefixes to advertise\n"
1127 "Display details of the prefixes\n"
1128 OSPF6_ROUTE_ADDRESS_STR
1129 OSPF6_ROUTE_PREFIX_STR
1130 OSPF6_ROUTE_MATCH_STR
1131 "Display details of the prefixes\n")
1132 {
1133 int idx_ifname = 4;
1134 int idx_prefix = 6;
1135 struct interface *ifp;
1136 struct ospf6_interface *oi;
1137
1138 ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
1139 if (ifp == NULL) {
1140 vty_out(vty, "No such Interface: %s\n", argv[idx_ifname]->arg);
1141 return CMD_WARNING;
1142 }
1143
1144 oi = ifp->info;
1145 if (oi == NULL) {
1146 vty_out(vty, "OSPFv3 is not enabled on %s\n",
1147 argv[idx_ifname]->arg);
1148 return CMD_WARNING;
1149 }
1150
1151 ospf6_route_table_show(vty, idx_prefix, argc, argv,
1152 oi->route_connected);
1153
1154 return CMD_SUCCESS;
1155 }
1156
1157 DEFUN (show_ipv6_ospf6_interface_prefix,
1158 show_ipv6_ospf6_interface_prefix_cmd,
1159 "show ipv6 ospf6 interface prefix\
1160 [<\
1161 detail\
1162 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1163 >]",
1164 SHOW_STR
1165 IP6_STR
1166 OSPF6_STR
1167 INTERFACE_STR
1168 "Display connected prefixes to advertise\n"
1169 "Display details of the prefixes\n"
1170 OSPF6_ROUTE_ADDRESS_STR
1171 OSPF6_ROUTE_PREFIX_STR
1172 OSPF6_ROUTE_MATCH_STR
1173 "Display details of the prefixes\n")
1174 {
1175 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
1176 int idx_prefix = 5;
1177 struct ospf6_interface *oi;
1178 struct interface *ifp;
1179
1180 FOR_ALL_INTERFACES (vrf, ifp) {
1181 oi = (struct ospf6_interface *)ifp->info;
1182 if (oi == NULL)
1183 continue;
1184
1185 ospf6_route_table_show(vty, idx_prefix, argc, argv,
1186 oi->route_connected);
1187 }
1188
1189 return CMD_SUCCESS;
1190 }
1191
1192 /* interface variable set command */
1193 DEFUN (ipv6_ospf6_ifmtu,
1194 ipv6_ospf6_ifmtu_cmd,
1195 "ipv6 ospf6 ifmtu (1-65535)",
1196 IP6_STR
1197 OSPF6_STR
1198 "Interface MTU\n"
1199 "OSPFv3 Interface MTU\n"
1200 )
1201 {
1202 VTY_DECLVAR_CONTEXT(interface, ifp);
1203 int idx_number = 3;
1204 struct ospf6_interface *oi;
1205 unsigned int ifmtu, iobuflen;
1206 struct listnode *node, *nnode;
1207 struct ospf6_neighbor *on;
1208
1209 assert(ifp);
1210
1211 oi = (struct ospf6_interface *)ifp->info;
1212 if (oi == NULL)
1213 oi = ospf6_interface_create(ifp);
1214 assert(oi);
1215
1216 ifmtu = strtol(argv[idx_number]->arg, NULL, 10);
1217
1218 if (oi->c_ifmtu == ifmtu)
1219 return CMD_SUCCESS;
1220
1221 if (ifp->mtu6 != 0 && ifp->mtu6 < ifmtu) {
1222 vty_out(vty,
1223 "%s's ospf6 ifmtu cannot go beyond physical mtu (%d)\n",
1224 ifp->name, ifp->mtu6);
1225 return CMD_WARNING_CONFIG_FAILED;
1226 }
1227
1228 if (oi->ifmtu < ifmtu) {
1229 iobuflen = ospf6_iobuf_size(ifmtu);
1230 if (iobuflen < ifmtu) {
1231 vty_out(vty,
1232 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1233 ifp->name, iobuflen);
1234 oi->ifmtu = oi->c_ifmtu = iobuflen;
1235 } else
1236 oi->ifmtu = oi->c_ifmtu = ifmtu;
1237 } else
1238 oi->ifmtu = oi->c_ifmtu = ifmtu;
1239
1240 /* re-establish adjacencies */
1241 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1242 THREAD_OFF(on->inactivity_timer);
1243 thread_add_event(master, inactivity_timer, on, 0, NULL);
1244 }
1245
1246 return CMD_SUCCESS;
1247 }
1248
1249 DEFUN (no_ipv6_ospf6_ifmtu,
1250 no_ipv6_ospf6_ifmtu_cmd,
1251 "no ipv6 ospf6 ifmtu [(1-65535)]",
1252 NO_STR
1253 IP6_STR
1254 OSPF6_STR
1255 "Interface MTU\n"
1256 "OSPFv3 Interface MTU\n"
1257 )
1258 {
1259 VTY_DECLVAR_CONTEXT(interface, ifp);
1260 struct ospf6_interface *oi;
1261 unsigned int iobuflen;
1262 struct listnode *node, *nnode;
1263 struct ospf6_neighbor *on;
1264
1265 assert(ifp);
1266
1267 oi = (struct ospf6_interface *)ifp->info;
1268 if (oi == NULL)
1269 oi = ospf6_interface_create(ifp);
1270 assert(oi);
1271
1272 if (oi->ifmtu < ifp->mtu) {
1273 iobuflen = ospf6_iobuf_size(ifp->mtu);
1274 if (iobuflen < ifp->mtu) {
1275 vty_out(vty,
1276 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1277 ifp->name, iobuflen);
1278 oi->ifmtu = iobuflen;
1279 } else
1280 oi->ifmtu = ifp->mtu;
1281 } else
1282 oi->ifmtu = ifp->mtu;
1283
1284 oi->c_ifmtu = 0;
1285
1286 /* re-establish adjacencies */
1287 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1288 THREAD_OFF(on->inactivity_timer);
1289 thread_add_event(master, inactivity_timer, on, 0, NULL);
1290 }
1291
1292 return CMD_SUCCESS;
1293 }
1294
1295 DEFUN (ipv6_ospf6_cost,
1296 ipv6_ospf6_cost_cmd,
1297 "ipv6 ospf6 cost (1-65535)",
1298 IP6_STR
1299 OSPF6_STR
1300 "Interface cost\n"
1301 "Outgoing metric of this interface\n")
1302 {
1303 VTY_DECLVAR_CONTEXT(interface, ifp);
1304 int idx_number = 3;
1305 struct ospf6_interface *oi;
1306 unsigned long int lcost;
1307
1308 assert(ifp);
1309
1310 oi = (struct ospf6_interface *)ifp->info;
1311 if (oi == NULL)
1312 oi = ospf6_interface_create(ifp);
1313 assert(oi);
1314
1315 lcost = strtol(argv[idx_number]->arg, NULL, 10);
1316
1317 if (lcost > UINT32_MAX) {
1318 vty_out(vty, "Cost %ld is out of range\n", lcost);
1319 return CMD_WARNING_CONFIG_FAILED;
1320 }
1321
1322 if (oi->cost == lcost)
1323 return CMD_SUCCESS;
1324
1325 oi->cost = lcost;
1326 SET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1327
1328 ospf6_interface_force_recalculate_cost(oi);
1329
1330 return CMD_SUCCESS;
1331 }
1332
1333 DEFUN (no_ipv6_ospf6_cost,
1334 no_ipv6_ospf6_cost_cmd,
1335 "no ipv6 ospf6 cost [(1-65535)]",
1336 NO_STR
1337 IP6_STR
1338 OSPF6_STR
1339 "Calculate interface cost from bandwidth\n"
1340 "Outgoing metric of this interface\n")
1341 {
1342 VTY_DECLVAR_CONTEXT(interface, ifp);
1343 struct ospf6_interface *oi;
1344 assert(ifp);
1345
1346 oi = (struct ospf6_interface *)ifp->info;
1347 if (oi == NULL)
1348 oi = ospf6_interface_create(ifp);
1349 assert(oi);
1350
1351 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1352
1353 ospf6_interface_recalculate_cost(oi);
1354
1355 return CMD_SUCCESS;
1356 }
1357
1358 DEFUN (auto_cost_reference_bandwidth,
1359 auto_cost_reference_bandwidth_cmd,
1360 "auto-cost reference-bandwidth (1-4294967)",
1361 "Calculate OSPF interface cost according to bandwidth\n"
1362 "Use reference bandwidth method to assign OSPF cost\n"
1363 "The reference bandwidth in terms of Mbits per second\n")
1364 {
1365 VTY_DECLVAR_CONTEXT(ospf6, o);
1366 int idx_number = 2;
1367 struct ospf6_area *oa;
1368 struct ospf6_interface *oi;
1369 struct listnode *i, *j;
1370 uint32_t refbw;
1371
1372 refbw = strtol(argv[idx_number]->arg, NULL, 10);
1373 if (refbw < 1 || refbw > 4294967) {
1374 vty_out(vty, "reference-bandwidth value is invalid\n");
1375 return CMD_WARNING_CONFIG_FAILED;
1376 }
1377
1378 /* If reference bandwidth is changed. */
1379 if ((refbw) == o->ref_bandwidth)
1380 return CMD_SUCCESS;
1381
1382 o->ref_bandwidth = refbw;
1383 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
1384 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
1385 ospf6_interface_recalculate_cost(oi);
1386
1387 return CMD_SUCCESS;
1388 }
1389
1390 DEFUN (no_auto_cost_reference_bandwidth,
1391 no_auto_cost_reference_bandwidth_cmd,
1392 "no auto-cost reference-bandwidth [(1-4294967)]",
1393 NO_STR
1394 "Calculate OSPF interface cost according to bandwidth\n"
1395 "Use reference bandwidth method to assign OSPF cost\n"
1396 "The reference bandwidth in terms of Mbits per second\n")
1397 {
1398 VTY_DECLVAR_CONTEXT(ospf6, o);
1399 struct ospf6_area *oa;
1400 struct ospf6_interface *oi;
1401 struct listnode *i, *j;
1402
1403 if (o->ref_bandwidth == OSPF6_REFERENCE_BANDWIDTH)
1404 return CMD_SUCCESS;
1405
1406 o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
1407 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
1408 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
1409 ospf6_interface_recalculate_cost(oi);
1410
1411 return CMD_SUCCESS;
1412 }
1413
1414
1415 DEFUN (ipv6_ospf6_hellointerval,
1416 ipv6_ospf6_hellointerval_cmd,
1417 "ipv6 ospf6 hello-interval (1-65535)",
1418 IP6_STR
1419 OSPF6_STR
1420 "Time between HELLO packets\n"
1421 SECONDS_STR)
1422 {
1423 VTY_DECLVAR_CONTEXT(interface, ifp);
1424 int idx_number = 3;
1425 struct ospf6_interface *oi;
1426 assert(ifp);
1427
1428 oi = (struct ospf6_interface *)ifp->info;
1429 if (oi == NULL)
1430 oi = ospf6_interface_create(ifp);
1431 assert(oi);
1432
1433 oi->hello_interval = strmatch(argv[0]->text, "no")
1434 ? OSPF_HELLO_INTERVAL_DEFAULT
1435 : strtoul(argv[idx_number]->arg, NULL, 10);
1436 return CMD_SUCCESS;
1437 }
1438
1439 ALIAS (ipv6_ospf6_hellointerval,
1440 no_ipv6_ospf6_hellointerval_cmd,
1441 "no ipv6 ospf6 hello-interval [(1-65535)]",
1442 NO_STR
1443 IP6_STR
1444 OSPF6_STR
1445 "Time between HELLO packets\n"
1446 SECONDS_STR)
1447
1448 /* interface variable set command */
1449 DEFUN (ipv6_ospf6_deadinterval,
1450 ipv6_ospf6_deadinterval_cmd,
1451 "ipv6 ospf6 dead-interval (1-65535)",
1452 IP6_STR
1453 OSPF6_STR
1454 "Interval time after which a neighbor is declared down\n"
1455 SECONDS_STR)
1456 {
1457 VTY_DECLVAR_CONTEXT(interface, ifp);
1458 int idx_number = 3;
1459 struct ospf6_interface *oi;
1460 assert(ifp);
1461
1462 oi = (struct ospf6_interface *)ifp->info;
1463 if (oi == NULL)
1464 oi = ospf6_interface_create(ifp);
1465 assert(oi);
1466
1467 oi->dead_interval = strmatch(argv[0]->arg, "no")
1468 ? OSPF_ROUTER_DEAD_INTERVAL_DEFAULT
1469 : strtoul(argv[idx_number]->arg, NULL, 10);
1470 return CMD_SUCCESS;
1471 }
1472
1473 ALIAS (ipv6_ospf6_deadinterval,
1474 no_ipv6_ospf6_deadinterval_cmd,
1475 "no ipv6 ospf6 dead-interval [(1-65535)]",
1476 NO_STR
1477 IP6_STR
1478 OSPF6_STR
1479 "Interval time after which a neighbor is declared down\n"
1480 SECONDS_STR)
1481
1482 /* interface variable set command */
1483 DEFUN (ipv6_ospf6_transmitdelay,
1484 ipv6_ospf6_transmitdelay_cmd,
1485 "ipv6 ospf6 transmit-delay (1-3600)",
1486 IP6_STR
1487 OSPF6_STR
1488 "Link state transmit delay\n"
1489 SECONDS_STR)
1490 {
1491 VTY_DECLVAR_CONTEXT(interface, ifp);
1492 int idx_number = 3;
1493 struct ospf6_interface *oi;
1494 assert(ifp);
1495
1496 oi = (struct ospf6_interface *)ifp->info;
1497 if (oi == NULL)
1498 oi = ospf6_interface_create(ifp);
1499 assert(oi);
1500
1501 oi->transdelay = strmatch(argv[0]->text, "no")
1502 ? OSPF6_INTERFACE_TRANSDELAY
1503 : strtoul(argv[idx_number]->arg, NULL, 10);
1504 return CMD_SUCCESS;
1505 }
1506
1507 ALIAS (ipv6_ospf6_transmitdelay,
1508 no_ipv6_ospf6_transmitdelay_cmd,
1509 "no ipv6 ospf6 transmit-delay [(1-3600)]",
1510 NO_STR
1511 IP6_STR
1512 OSPF6_STR
1513 "Link state transmit delay\n"
1514 SECONDS_STR)
1515
1516 /* interface variable set command */
1517 DEFUN (ipv6_ospf6_retransmitinterval,
1518 ipv6_ospf6_retransmitinterval_cmd,
1519 "ipv6 ospf6 retransmit-interval (1-65535)",
1520 IP6_STR
1521 OSPF6_STR
1522 "Time between retransmitting lost link state advertisements\n"
1523 SECONDS_STR)
1524 {
1525 VTY_DECLVAR_CONTEXT(interface, ifp);
1526 int idx_number = 3;
1527 struct ospf6_interface *oi;
1528 assert(ifp);
1529
1530 oi = (struct ospf6_interface *)ifp->info;
1531 if (oi == NULL)
1532 oi = ospf6_interface_create(ifp);
1533 assert(oi);
1534
1535 oi->rxmt_interval = strmatch(argv[0]->text, "no")
1536 ? OSPF_RETRANSMIT_INTERVAL_DEFAULT
1537 : strtoul(argv[idx_number]->arg, NULL, 10);
1538 return CMD_SUCCESS;
1539 }
1540
1541 ALIAS (ipv6_ospf6_retransmitinterval,
1542 no_ipv6_ospf6_retransmitinterval_cmd,
1543 "no ipv6 ospf6 retransmit-interval [(1-65535)]",
1544 NO_STR
1545 IP6_STR
1546 OSPF6_STR
1547 "Time between retransmitting lost link state advertisements\n"
1548 SECONDS_STR)
1549
1550 /* interface variable set command */
1551 DEFUN (ipv6_ospf6_priority,
1552 ipv6_ospf6_priority_cmd,
1553 "ipv6 ospf6 priority (0-255)",
1554 IP6_STR
1555 OSPF6_STR
1556 "Router priority\n"
1557 "Priority value\n")
1558 {
1559 VTY_DECLVAR_CONTEXT(interface, ifp);
1560 int idx_number = 3;
1561 struct ospf6_interface *oi;
1562 assert(ifp);
1563
1564 oi = (struct ospf6_interface *)ifp->info;
1565 if (oi == NULL)
1566 oi = ospf6_interface_create(ifp);
1567 assert(oi);
1568
1569 oi->priority = strmatch(argv[0]->text, "no")
1570 ? OSPF6_INTERFACE_PRIORITY
1571 : strtoul(argv[idx_number]->arg, NULL, 10);
1572
1573 if (oi->area && (oi->state == OSPF6_INTERFACE_DROTHER
1574 || oi->state == OSPF6_INTERFACE_BDR
1575 || oi->state == OSPF6_INTERFACE_DR))
1576 ospf6_interface_state_change(dr_election(oi), oi);
1577
1578 return CMD_SUCCESS;
1579 }
1580
1581 ALIAS (ipv6_ospf6_priority,
1582 no_ipv6_ospf6_priority_cmd,
1583 "no ipv6 ospf6 priority [(0-255)]",
1584 NO_STR
1585 IP6_STR
1586 OSPF6_STR
1587 "Router priority\n"
1588 "Priority value\n")
1589
1590 DEFUN (ipv6_ospf6_instance,
1591 ipv6_ospf6_instance_cmd,
1592 "ipv6 ospf6 instance-id (0-255)",
1593 IP6_STR
1594 OSPF6_STR
1595 "Instance ID for this interface\n"
1596 "Instance ID value\n")
1597 {
1598 VTY_DECLVAR_CONTEXT(interface, ifp);
1599 int idx_number = 3;
1600 struct ospf6_interface *oi;
1601 assert(ifp);
1602
1603 oi = (struct ospf6_interface *)ifp->info;
1604 if (oi == NULL)
1605 oi = ospf6_interface_create(ifp);
1606 assert(oi);
1607
1608 oi->instance_id = strmatch(argv[0]->text, "no")
1609 ? OSPF6_INTERFACE_INSTANCE_ID
1610 : strtoul(argv[idx_number]->arg, NULL, 10);
1611 return CMD_SUCCESS;
1612 }
1613
1614 ALIAS (ipv6_ospf6_instance,
1615 no_ipv6_ospf6_instance_cmd,
1616 "no ipv6 ospf6 instance-id [(0-255)]",
1617 NO_STR
1618 IP6_STR
1619 OSPF6_STR
1620 "Instance ID for this interface\n"
1621 "Instance ID value\n")
1622
1623 DEFUN (ipv6_ospf6_passive,
1624 ipv6_ospf6_passive_cmd,
1625 "ipv6 ospf6 passive",
1626 IP6_STR
1627 OSPF6_STR
1628 "Passive interface; no adjacency will be formed on this interface\n"
1629 )
1630 {
1631 VTY_DECLVAR_CONTEXT(interface, ifp);
1632 struct ospf6_interface *oi;
1633 struct listnode *node, *nnode;
1634 struct ospf6_neighbor *on;
1635
1636 assert(ifp);
1637
1638 oi = (struct ospf6_interface *)ifp->info;
1639 if (oi == NULL)
1640 oi = ospf6_interface_create(ifp);
1641 assert(oi);
1642
1643 SET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
1644 THREAD_OFF(oi->thread_send_hello);
1645 THREAD_OFF(oi->thread_sso);
1646
1647 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1648 THREAD_OFF(on->inactivity_timer);
1649 thread_add_event(master, inactivity_timer, on, 0, NULL);
1650 }
1651
1652 return CMD_SUCCESS;
1653 }
1654
1655 DEFUN (no_ipv6_ospf6_passive,
1656 no_ipv6_ospf6_passive_cmd,
1657 "no ipv6 ospf6 passive",
1658 NO_STR
1659 IP6_STR
1660 OSPF6_STR
1661 "passive interface: No Adjacency will be formed on this I/F\n"
1662 )
1663 {
1664 VTY_DECLVAR_CONTEXT(interface, ifp);
1665 struct ospf6_interface *oi;
1666 assert(ifp);
1667
1668 oi = (struct ospf6_interface *)ifp->info;
1669 if (oi == NULL)
1670 oi = ospf6_interface_create(ifp);
1671 assert(oi);
1672
1673 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
1674 THREAD_OFF(oi->thread_send_hello);
1675 THREAD_OFF(oi->thread_sso);
1676 thread_add_event(master, ospf6_hello_send, oi, 0,
1677 &oi->thread_send_hello);
1678
1679 return CMD_SUCCESS;
1680 }
1681
1682 DEFUN (ipv6_ospf6_mtu_ignore,
1683 ipv6_ospf6_mtu_ignore_cmd,
1684 "ipv6 ospf6 mtu-ignore",
1685 IP6_STR
1686 OSPF6_STR
1687 "Disable MTU mismatch detection on this interface\n"
1688 )
1689 {
1690 VTY_DECLVAR_CONTEXT(interface, ifp);
1691 struct ospf6_interface *oi;
1692 assert(ifp);
1693
1694 oi = (struct ospf6_interface *)ifp->info;
1695 if (oi == NULL)
1696 oi = ospf6_interface_create(ifp);
1697 assert(oi);
1698
1699 oi->mtu_ignore = 1;
1700
1701 return CMD_SUCCESS;
1702 }
1703
1704 DEFUN (no_ipv6_ospf6_mtu_ignore,
1705 no_ipv6_ospf6_mtu_ignore_cmd,
1706 "no ipv6 ospf6 mtu-ignore",
1707 NO_STR
1708 IP6_STR
1709 OSPF6_STR
1710 "Disable MTU mismatch detection on this interface\n"
1711 )
1712 {
1713 VTY_DECLVAR_CONTEXT(interface, ifp);
1714 struct ospf6_interface *oi;
1715 assert(ifp);
1716
1717 oi = (struct ospf6_interface *)ifp->info;
1718 if (oi == NULL)
1719 oi = ospf6_interface_create(ifp);
1720 assert(oi);
1721
1722 oi->mtu_ignore = 0;
1723
1724 return CMD_SUCCESS;
1725 }
1726
1727 DEFUN (ipv6_ospf6_advertise_prefix_list,
1728 ipv6_ospf6_advertise_prefix_list_cmd,
1729 "ipv6 ospf6 advertise prefix-list WORD",
1730 IP6_STR
1731 OSPF6_STR
1732 "Advertising options\n"
1733 "Filter prefix using prefix-list\n"
1734 "Prefix list name\n"
1735 )
1736 {
1737 VTY_DECLVAR_CONTEXT(interface, ifp);
1738 int idx_word = 4;
1739 struct ospf6_interface *oi;
1740 assert(ifp);
1741
1742 oi = (struct ospf6_interface *)ifp->info;
1743 if (oi == NULL)
1744 oi = ospf6_interface_create(ifp);
1745 assert(oi);
1746
1747 if (oi->plist_name)
1748 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
1749 oi->plist_name = XSTRDUP(MTYPE_CFG_PLIST_NAME, argv[idx_word]->arg);
1750
1751 ospf6_interface_connected_route_update(oi->interface);
1752
1753 if (oi->area) {
1754 OSPF6_LINK_LSA_SCHEDULE(oi);
1755 if (oi->state == OSPF6_INTERFACE_DR) {
1756 OSPF6_NETWORK_LSA_SCHEDULE(oi);
1757 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
1758 }
1759 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
1760 }
1761
1762 return CMD_SUCCESS;
1763 }
1764
1765 DEFUN (no_ipv6_ospf6_advertise_prefix_list,
1766 no_ipv6_ospf6_advertise_prefix_list_cmd,
1767 "no ipv6 ospf6 advertise prefix-list [WORD]",
1768 NO_STR
1769 IP6_STR
1770 OSPF6_STR
1771 "Advertising options\n"
1772 "Filter prefix using prefix-list\n"
1773 "Prefix list name\n")
1774 {
1775 VTY_DECLVAR_CONTEXT(interface, ifp);
1776 struct ospf6_interface *oi;
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->plist_name)
1785 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
1786
1787 ospf6_interface_connected_route_update(oi->interface);
1788
1789 if (oi->area) {
1790 OSPF6_LINK_LSA_SCHEDULE(oi);
1791 if (oi->state == OSPF6_INTERFACE_DR) {
1792 OSPF6_NETWORK_LSA_SCHEDULE(oi);
1793 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
1794 }
1795 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
1796 }
1797
1798 return CMD_SUCCESS;
1799 }
1800
1801 DEFUN (ipv6_ospf6_network,
1802 ipv6_ospf6_network_cmd,
1803 "ipv6 ospf6 network <broadcast|point-to-point>",
1804 IP6_STR
1805 OSPF6_STR
1806 "Network type\n"
1807 "Specify OSPF6 broadcast network\n"
1808 "Specify OSPF6 point-to-point network\n"
1809 )
1810 {
1811 VTY_DECLVAR_CONTEXT(interface, ifp);
1812 int idx_network = 3;
1813 struct ospf6_interface *oi;
1814 assert(ifp);
1815
1816 oi = (struct ospf6_interface *)ifp->info;
1817 if (oi == NULL) {
1818 oi = ospf6_interface_create(ifp);
1819 }
1820 assert(oi);
1821
1822 oi->type_cfg = true;
1823
1824 if (strncmp(argv[idx_network]->arg, "b", 1) == 0) {
1825 if (oi->type == OSPF_IFTYPE_BROADCAST)
1826 return CMD_SUCCESS;
1827
1828 oi->type = OSPF_IFTYPE_BROADCAST;
1829 } else if (strncmp(argv[idx_network]->arg, "point-to-p", 10) == 0) {
1830 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
1831 return CMD_SUCCESS;
1832 }
1833 oi->type = OSPF_IFTYPE_POINTOPOINT;
1834 }
1835
1836 /* Reset the interface */
1837 thread_execute(master, interface_down, oi, 0);
1838 thread_execute(master, interface_up, oi, 0);
1839
1840 return CMD_SUCCESS;
1841 }
1842
1843 DEFUN (no_ipv6_ospf6_network,
1844 no_ipv6_ospf6_network_cmd,
1845 "no ipv6 ospf6 network [<broadcast|point-to-point>]",
1846 NO_STR
1847 IP6_STR
1848 OSPF6_STR
1849 "Set default network type\n"
1850 "Specify OSPF6 broadcast network\n"
1851 "Specify OSPF6 point-to-point network\n")
1852 {
1853 VTY_DECLVAR_CONTEXT(interface, ifp);
1854 struct ospf6_interface *oi;
1855 int type;
1856
1857 assert(ifp);
1858
1859 oi = (struct ospf6_interface *)ifp->info;
1860 if (oi == NULL) {
1861 return CMD_SUCCESS;
1862 }
1863
1864 oi->type_cfg = false;
1865
1866 type = ospf6_default_iftype(ifp);
1867 if (oi->type == type) {
1868 return CMD_SUCCESS;
1869 }
1870 oi->type = type;
1871
1872 /* Reset the interface */
1873 thread_execute(master, interface_down, oi, 0);
1874 thread_execute(master, interface_up, oi, 0);
1875
1876 return CMD_SUCCESS;
1877 }
1878
1879 static int config_write_ospf6_interface(struct vty *vty)
1880 {
1881 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
1882 struct ospf6_interface *oi;
1883 struct interface *ifp;
1884
1885 FOR_ALL_INTERFACES (vrf, ifp) {
1886 oi = (struct ospf6_interface *)ifp->info;
1887 if (oi == NULL)
1888 continue;
1889
1890 vty_frame(vty, "interface %s\n", oi->interface->name);
1891
1892 if (ifp->desc)
1893 vty_out(vty, " description %s\n", ifp->desc);
1894 if (oi->c_ifmtu)
1895 vty_out(vty, " ipv6 ospf6 ifmtu %d\n", oi->c_ifmtu);
1896
1897 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
1898 vty_out(vty, " ipv6 ospf6 cost %d\n", oi->cost);
1899
1900 if (oi->hello_interval != OSPF6_INTERFACE_HELLO_INTERVAL)
1901 vty_out(vty, " ipv6 ospf6 hello-interval %d\n",
1902 oi->hello_interval);
1903
1904 if (oi->dead_interval != OSPF6_INTERFACE_DEAD_INTERVAL)
1905 vty_out(vty, " ipv6 ospf6 dead-interval %d\n",
1906 oi->dead_interval);
1907
1908 if (oi->rxmt_interval != OSPF6_INTERFACE_RXMT_INTERVAL)
1909 vty_out(vty, " ipv6 ospf6 retransmit-interval %d\n",
1910 oi->rxmt_interval);
1911
1912 if (oi->priority != OSPF6_INTERFACE_PRIORITY)
1913 vty_out(vty, " ipv6 ospf6 priority %d\n", oi->priority);
1914
1915 if (oi->transdelay != OSPF6_INTERFACE_TRANSDELAY)
1916 vty_out(vty, " ipv6 ospf6 transmit-delay %d\n",
1917 oi->transdelay);
1918
1919 if (oi->instance_id != OSPF6_INTERFACE_INSTANCE_ID)
1920 vty_out(vty, " ipv6 ospf6 instance-id %d\n",
1921 oi->instance_id);
1922
1923 if (oi->plist_name)
1924 vty_out(vty, " ipv6 ospf6 advertise prefix-list %s\n",
1925 oi->plist_name);
1926
1927 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE))
1928 vty_out(vty, " ipv6 ospf6 passive\n");
1929
1930 if (oi->mtu_ignore)
1931 vty_out(vty, " ipv6 ospf6 mtu-ignore\n");
1932
1933 if (oi->type_cfg && oi->type == OSPF_IFTYPE_POINTOPOINT)
1934 vty_out(vty, " ipv6 ospf6 network point-to-point\n");
1935 else if (oi->type_cfg && oi->type == OSPF_IFTYPE_BROADCAST)
1936 vty_out(vty, " ipv6 ospf6 network broadcast\n");
1937
1938 ospf6_bfd_write_config(vty, oi);
1939
1940 vty_endframe(vty, "!\n");
1941 }
1942 return 0;
1943 }
1944
1945 static struct cmd_node interface_node = {
1946 INTERFACE_NODE, "%s(config-if)# ", 1 /* VTYSH */
1947 };
1948
1949 void ospf6_interface_init(void)
1950 {
1951 /* Install interface node. */
1952 install_node(&interface_node, config_write_ospf6_interface);
1953 if_cmd_init();
1954
1955 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
1956 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_ifname_cmd);
1957 install_element(VIEW_NODE,
1958 &show_ipv6_ospf6_interface_ifname_prefix_cmd);
1959 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_traffic_cmd);
1960
1961 install_element(INTERFACE_NODE, &ipv6_ospf6_cost_cmd);
1962 install_element(INTERFACE_NODE, &no_ipv6_ospf6_cost_cmd);
1963 install_element(INTERFACE_NODE, &ipv6_ospf6_ifmtu_cmd);
1964 install_element(INTERFACE_NODE, &no_ipv6_ospf6_ifmtu_cmd);
1965
1966 install_element(INTERFACE_NODE, &ipv6_ospf6_deadinterval_cmd);
1967 install_element(INTERFACE_NODE, &ipv6_ospf6_hellointerval_cmd);
1968 install_element(INTERFACE_NODE, &ipv6_ospf6_priority_cmd);
1969 install_element(INTERFACE_NODE, &ipv6_ospf6_retransmitinterval_cmd);
1970 install_element(INTERFACE_NODE, &ipv6_ospf6_transmitdelay_cmd);
1971 install_element(INTERFACE_NODE, &ipv6_ospf6_instance_cmd);
1972 install_element(INTERFACE_NODE, &no_ipv6_ospf6_deadinterval_cmd);
1973 install_element(INTERFACE_NODE, &no_ipv6_ospf6_hellointerval_cmd);
1974 install_element(INTERFACE_NODE, &no_ipv6_ospf6_priority_cmd);
1975 install_element(INTERFACE_NODE, &no_ipv6_ospf6_retransmitinterval_cmd);
1976 install_element(INTERFACE_NODE, &no_ipv6_ospf6_transmitdelay_cmd);
1977 install_element(INTERFACE_NODE, &no_ipv6_ospf6_instance_cmd);
1978
1979 install_element(INTERFACE_NODE, &ipv6_ospf6_passive_cmd);
1980 install_element(INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd);
1981
1982 install_element(INTERFACE_NODE, &ipv6_ospf6_mtu_ignore_cmd);
1983 install_element(INTERFACE_NODE, &no_ipv6_ospf6_mtu_ignore_cmd);
1984
1985 install_element(INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd);
1986 install_element(INTERFACE_NODE,
1987 &no_ipv6_ospf6_advertise_prefix_list_cmd);
1988
1989 install_element(INTERFACE_NODE, &ipv6_ospf6_network_cmd);
1990 install_element(INTERFACE_NODE, &no_ipv6_ospf6_network_cmd);
1991
1992 /* reference bandwidth commands */
1993 install_element(OSPF6_NODE, &auto_cost_reference_bandwidth_cmd);
1994 install_element(OSPF6_NODE, &no_auto_cost_reference_bandwidth_cmd);
1995 }
1996
1997 /* Clear the specified interface structure */
1998 static void ospf6_interface_clear(struct vty *vty, struct interface *ifp)
1999 {
2000 struct ospf6_interface *oi;
2001
2002 if (!if_is_operative(ifp))
2003 return;
2004
2005 if (ifp->info == NULL)
2006 return;
2007
2008 oi = (struct ospf6_interface *)ifp->info;
2009
2010 if (IS_OSPF6_DEBUG_INTERFACE)
2011 zlog_debug("Interface %s: clear by reset", ifp->name);
2012
2013 /* Reset the interface */
2014 thread_execute(master, interface_down, oi, 0);
2015 thread_execute(master, interface_up, oi, 0);
2016 }
2017
2018 /* Clear interface */
2019 DEFUN (clear_ipv6_ospf6_interface,
2020 clear_ipv6_ospf6_interface_cmd,
2021 "clear ipv6 ospf6 interface [IFNAME]",
2022 CLEAR_STR
2023 IP6_STR
2024 OSPF6_STR
2025 INTERFACE_STR
2026 IFNAME_STR
2027 )
2028 {
2029 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
2030 int idx_ifname = 4;
2031 struct interface *ifp;
2032
2033 if (argc == 4) /* Clear all the ospfv3 interfaces. */
2034 {
2035 FOR_ALL_INTERFACES (vrf, ifp)
2036 ospf6_interface_clear(vty, ifp);
2037 } else /* Interface name is specified. */
2038 {
2039 if ((ifp = if_lookup_by_name(argv[idx_ifname]->arg,
2040 VRF_DEFAULT))
2041 == NULL) {
2042 vty_out(vty, "No such Interface: %s\n",
2043 argv[idx_ifname]->arg);
2044 return CMD_WARNING;
2045 }
2046 ospf6_interface_clear(vty, ifp);
2047 }
2048
2049 return CMD_SUCCESS;
2050 }
2051
2052 void install_element_ospf6_clear_interface(void)
2053 {
2054 install_element(ENABLE_NODE, &clear_ipv6_ospf6_interface_cmd);
2055 }
2056
2057 DEFUN (debug_ospf6_interface,
2058 debug_ospf6_interface_cmd,
2059 "debug ospf6 interface",
2060 DEBUG_STR
2061 OSPF6_STR
2062 "Debug OSPFv3 Interface\n"
2063 )
2064 {
2065 OSPF6_DEBUG_INTERFACE_ON();
2066 return CMD_SUCCESS;
2067 }
2068
2069 DEFUN (no_debug_ospf6_interface,
2070 no_debug_ospf6_interface_cmd,
2071 "no debug ospf6 interface",
2072 NO_STR
2073 DEBUG_STR
2074 OSPF6_STR
2075 "Debug OSPFv3 Interface\n"
2076 )
2077 {
2078 OSPF6_DEBUG_INTERFACE_OFF();
2079 return CMD_SUCCESS;
2080 }
2081
2082 int config_write_ospf6_debug_interface(struct vty *vty)
2083 {
2084 if (IS_OSPF6_DEBUG_INTERFACE)
2085 vty_out(vty, "debug ospf6 interface\n");
2086 return 0;
2087 }
2088
2089 void install_element_ospf6_debug_interface(void)
2090 {
2091 install_element(ENABLE_NODE, &debug_ospf6_interface_cmd);
2092 install_element(ENABLE_NODE, &no_debug_ospf6_interface_cmd);
2093 install_element(CONFIG_NODE, &debug_ospf6_interface_cmd);
2094 install_element(CONFIG_NODE, &no_debug_ospf6_interface_cmd);
2095 }
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