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ospf6d: fix mistaken if_is_* instead of oi->type
[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 /*
685 * Remove old pointer. If this thread wasn't a timer this
686 * operation won't make a difference, because it is already NULL.
687 */
688 oi->thread_sso = NULL;
689
690 if (IS_OSPF6_DEBUG_INTERFACE)
691 zlog_debug("Interface Event %s: [InterfaceUp]",
692 oi->interface->name);
693
694 /* check physical interface is up */
695 if (!if_is_operative(oi->interface)) {
696 if (IS_OSPF6_DEBUG_INTERFACE)
697 zlog_debug(
698 "Interface %s is down, can't execute [InterfaceUp]",
699 oi->interface->name);
700 return 0;
701 }
702
703 /* check interface has a link-local address */
704 if (!(ospf6_interface_get_linklocal_address(oi->interface)
705 || if_is_loopback(oi->interface))) {
706 if (IS_OSPF6_DEBUG_INTERFACE)
707 zlog_debug(
708 "Interface %s has no link local address, can't execute [InterfaceUp]",
709 oi->interface->name);
710 return 0;
711 }
712
713 /* Recompute cost */
714 ospf6_interface_recalculate_cost(oi);
715
716 /* if already enabled, do nothing */
717 if (oi->state > OSPF6_INTERFACE_DOWN) {
718 if (IS_OSPF6_DEBUG_INTERFACE)
719 zlog_debug("Interface %s already enabled",
720 oi->interface->name);
721 return 0;
722 }
723
724 /* If no area assigned, return */
725 if (oi->area == NULL) {
726 zlog_debug(
727 "%s: Not scheduleing Hello for %s as there is no area assigned yet",
728 __func__, oi->interface->name);
729 return 0;
730 }
731
732 #ifdef __FreeBSD__
733 /*
734 * XXX: Schedule IPv6 group join for later, otherwise we might
735 * lose the multicast group registration caused by IPv6 group
736 * leave race.
737 */
738 if (oi->sso_try_cnt == 0) {
739 oi->sso_try_cnt++;
740 zlog_info("Scheduling %s for sso", oi->interface->name);
741 thread_add_timer(master, interface_up, oi,
742 OSPF6_INTERFACE_SSO_RETRY_INT,
743 &oi->thread_sso);
744 return 0;
745 }
746 #endif /* __FreeBSD__ */
747
748 /* Join AllSPFRouters */
749 if (ospf6_sso(oi->interface->ifindex, &allspfrouters6, IPV6_JOIN_GROUP)
750 < 0) {
751 if (oi->sso_try_cnt++ < OSPF6_INTERFACE_SSO_RETRY_MAX) {
752 zlog_info(
753 "Scheduling %s for sso retry, trial count: %d",
754 oi->interface->name, oi->sso_try_cnt);
755 thread_add_timer(master, interface_up, oi,
756 OSPF6_INTERFACE_SSO_RETRY_INT,
757 &oi->thread_sso);
758 }
759 return 0;
760 }
761 oi->sso_try_cnt = 0; /* Reset on success */
762
763 /* Update interface route */
764 ospf6_interface_connected_route_update(oi->interface);
765
766 /* Schedule Hello */
767 if (!CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE)
768 && !if_is_loopback(oi->interface)) {
769 oi->thread_send_hello = NULL;
770 thread_add_event(master, ospf6_hello_send, oi, 0,
771 &oi->thread_send_hello);
772 }
773
774 /* decide next interface state */
775 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
776 ospf6_interface_state_change(OSPF6_INTERFACE_POINTTOPOINT, oi);
777 } else if (oi->priority == 0)
778 ospf6_interface_state_change(OSPF6_INTERFACE_DROTHER, oi);
779 else {
780 ospf6_interface_state_change(OSPF6_INTERFACE_WAITING, oi);
781 thread_add_timer(master, wait_timer, oi, oi->dead_interval,
782 NULL);
783 }
784
785 return 0;
786 }
787
788 int wait_timer(struct thread *thread)
789 {
790 struct ospf6_interface *oi;
791
792 oi = (struct ospf6_interface *)THREAD_ARG(thread);
793 assert(oi && oi->interface);
794
795 if (IS_OSPF6_DEBUG_INTERFACE)
796 zlog_debug("Interface Event %s: [WaitTimer]",
797 oi->interface->name);
798
799 if (oi->state == OSPF6_INTERFACE_WAITING)
800 ospf6_interface_state_change(dr_election(oi), oi);
801
802 return 0;
803 }
804
805 int backup_seen(struct thread *thread)
806 {
807 struct ospf6_interface *oi;
808
809 oi = (struct ospf6_interface *)THREAD_ARG(thread);
810 assert(oi && oi->interface);
811
812 if (IS_OSPF6_DEBUG_INTERFACE)
813 zlog_debug("Interface Event %s: [BackupSeen]",
814 oi->interface->name);
815
816 if (oi->state == OSPF6_INTERFACE_WAITING)
817 ospf6_interface_state_change(dr_election(oi), oi);
818
819 return 0;
820 }
821
822 int neighbor_change(struct thread *thread)
823 {
824 struct ospf6_interface *oi;
825
826 oi = (struct ospf6_interface *)THREAD_ARG(thread);
827 assert(oi && oi->interface);
828
829 if (IS_OSPF6_DEBUG_INTERFACE)
830 zlog_debug("Interface Event %s: [NeighborChange]",
831 oi->interface->name);
832
833 if (oi->state == OSPF6_INTERFACE_DROTHER
834 || oi->state == OSPF6_INTERFACE_BDR
835 || oi->state == OSPF6_INTERFACE_DR)
836 ospf6_interface_state_change(dr_election(oi), oi);
837
838 return 0;
839 }
840
841 int interface_down(struct thread *thread)
842 {
843 struct ospf6_interface *oi;
844 struct listnode *node, *nnode;
845 struct ospf6_neighbor *on;
846
847 oi = (struct ospf6_interface *)THREAD_ARG(thread);
848 assert(oi && oi->interface);
849
850 if (IS_OSPF6_DEBUG_INTERFACE)
851 zlog_debug("Interface Event %s: [InterfaceDown]",
852 oi->interface->name);
853
854 /* Stop Hellos */
855 THREAD_OFF(oi->thread_send_hello);
856
857 /* Stop trying to set socket options. */
858 THREAD_OFF(oi->thread_sso);
859
860 /* Leave AllSPFRouters */
861 if (oi->state > OSPF6_INTERFACE_DOWN)
862 ospf6_sso(oi->interface->ifindex, &allspfrouters6,
863 IPV6_LEAVE_GROUP);
864
865 ospf6_interface_state_change(OSPF6_INTERFACE_DOWN, oi);
866
867 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
868 ospf6_neighbor_delete(on);
869
870 list_delete_all_node(oi->neighbor_list);
871
872 /* When interface state is reset, also reset information about
873 * DR election, as it is no longer valid. */
874 oi->drouter = oi->prev_drouter = htonl(0);
875 oi->bdrouter = oi->prev_bdrouter = htonl(0);
876 return 0;
877 }
878
879
880 /* show specified interface structure */
881 static int ospf6_interface_show(struct vty *vty, struct interface *ifp)
882 {
883 struct ospf6_interface *oi;
884 struct connected *c;
885 struct prefix *p;
886 struct listnode *i;
887 char strbuf[PREFIX2STR_BUFFER], drouter[32], bdrouter[32];
888 const char *type;
889 struct timeval res, now;
890 char duration[32];
891 struct ospf6_lsa *lsa;
892
893 /* check physical interface type */
894 if (if_is_loopback(ifp))
895 type = "LOOPBACK";
896 else if (if_is_broadcast(ifp))
897 type = "BROADCAST";
898 else if (if_is_pointopoint(ifp))
899 type = "POINTOPOINT";
900 else
901 type = "UNKNOWN";
902
903 vty_out(vty, "%s is %s, type %s\n", ifp->name,
904 (if_is_operative(ifp) ? "up" : "down"), type);
905 vty_out(vty, " Interface ID: %d\n", ifp->ifindex);
906
907 if (ifp->info == NULL) {
908 vty_out(vty, " OSPF not enabled on this interface\n");
909 return 0;
910 } else
911 oi = (struct ospf6_interface *)ifp->info;
912
913 vty_out(vty, " Internet Address:\n");
914
915 for (ALL_LIST_ELEMENTS_RO(ifp->connected, i, c)) {
916 p = c->address;
917 prefix2str(p, strbuf, sizeof(strbuf));
918 switch (p->family) {
919 case AF_INET:
920 vty_out(vty, " inet : %s\n", strbuf);
921 break;
922 case AF_INET6:
923 vty_out(vty, " inet6: %s\n", strbuf);
924 break;
925 default:
926 vty_out(vty, " ??? : %s\n", strbuf);
927 break;
928 }
929 }
930
931 if (oi->area) {
932 vty_out(vty,
933 " Instance ID %d, Interface MTU %d (autodetect: %d)\n",
934 oi->instance_id, oi->ifmtu, ifp->mtu6);
935 vty_out(vty, " MTU mismatch detection: %s\n",
936 oi->mtu_ignore ? "disabled" : "enabled");
937 inet_ntop(AF_INET, &oi->area->area_id, strbuf, sizeof(strbuf));
938 vty_out(vty, " Area ID %s, Cost %u\n", strbuf, oi->cost);
939 } else
940 vty_out(vty, " Not Attached to Area\n");
941
942 vty_out(vty, " State %s, Transmit Delay %d sec, Priority %d\n",
943 ospf6_interface_state_str[oi->state], oi->transdelay,
944 oi->priority);
945 vty_out(vty, " Timer intervals configured:\n");
946 vty_out(vty, " Hello %d, Dead %d, Retransmit %d\n",
947 oi->hello_interval, oi->dead_interval, oi->rxmt_interval);
948
949 inet_ntop(AF_INET, &oi->drouter, drouter, sizeof(drouter));
950 inet_ntop(AF_INET, &oi->bdrouter, bdrouter, sizeof(bdrouter));
951 vty_out(vty, " DR: %s BDR: %s\n", drouter, bdrouter);
952
953 vty_out(vty, " Number of I/F scoped LSAs is %u\n", oi->lsdb->count);
954
955 monotime(&now);
956
957 timerclear(&res);
958 if (oi->thread_send_lsupdate)
959 timersub(&oi->thread_send_lsupdate->u.sands, &now, &res);
960 timerstring(&res, duration, sizeof(duration));
961 vty_out(vty,
962 " %d Pending LSAs for LSUpdate in Time %s [thread %s]\n",
963 oi->lsupdate_list->count, duration,
964 (oi->thread_send_lsupdate ? "on" : "off"));
965 for (ALL_LSDB(oi->lsupdate_list, lsa))
966 vty_out(vty, " %s\n", lsa->name);
967
968 timerclear(&res);
969 if (oi->thread_send_lsack)
970 timersub(&oi->thread_send_lsack->u.sands, &now, &res);
971 timerstring(&res, duration, sizeof(duration));
972 vty_out(vty, " %d Pending LSAs for LSAck in Time %s [thread %s]\n",
973 oi->lsack_list->count, duration,
974 (oi->thread_send_lsack ? "on" : "off"));
975 for (ALL_LSDB(oi->lsack_list, lsa))
976 vty_out(vty, " %s\n", lsa->name);
977 ospf6_bfd_show_info(vty, oi->bfd_info, 1);
978 return 0;
979 }
980
981 /* show interface */
982 DEFUN (show_ipv6_ospf6_interface,
983 show_ipv6_ospf6_interface_ifname_cmd,
984 "show ipv6 ospf6 interface [IFNAME]",
985 SHOW_STR
986 IP6_STR
987 OSPF6_STR
988 INTERFACE_STR
989 IFNAME_STR)
990 {
991 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
992 int idx_ifname = 4;
993 struct interface *ifp;
994
995 if (argc == 5) {
996 ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
997 if (ifp == NULL) {
998 vty_out(vty, "No such Interface: %s\n",
999 argv[idx_ifname]->arg);
1000 return CMD_WARNING;
1001 }
1002 ospf6_interface_show(vty, ifp);
1003 } else {
1004 FOR_ALL_INTERFACES (vrf, ifp)
1005 ospf6_interface_show(vty, ifp);
1006 }
1007
1008 return CMD_SUCCESS;
1009 }
1010
1011 static int ospf6_interface_show_traffic(struct vty *vty, uint32_t vrf_id,
1012 struct interface *intf_ifp,
1013 int display_once)
1014 {
1015 struct interface *ifp;
1016 struct vrf *vrf = NULL;
1017 struct ospf6_interface *oi = NULL;
1018
1019 vrf = vrf_lookup_by_id(vrf_id);
1020
1021 if (!display_once) {
1022 vty_out(vty, "\n");
1023 vty_out(vty, "%-12s%-17s%-17s%-17s%-17s%-17s\n", "Interface",
1024 " HELLO", " DB-Desc", " LS-Req", " LS-Update",
1025 " LS-Ack");
1026 vty_out(vty, "%-10s%-18s%-18s%-17s%-17s%-17s\n", "",
1027 " Rx/Tx", " Rx/Tx", " Rx/Tx", " Rx/Tx",
1028 " Rx/Tx");
1029 vty_out(vty,
1030 "--------------------------------------------------------------------------------------------\n");
1031 }
1032
1033 if (intf_ifp == NULL) {
1034 FOR_ALL_INTERFACES (vrf, ifp) {
1035 if (ifp->info)
1036 oi = (struct ospf6_interface *)ifp->info;
1037 else
1038 continue;
1039
1040 vty_out(vty,
1041 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1042 oi->interface->name, oi->hello_in,
1043 oi->hello_out, oi->db_desc_in, oi->db_desc_out,
1044 oi->ls_req_in, oi->ls_req_out, oi->ls_upd_in,
1045 oi->ls_upd_out, oi->ls_ack_in, oi->ls_ack_out);
1046 }
1047 } else {
1048 oi = intf_ifp->info;
1049 if (oi == NULL)
1050 return CMD_WARNING;
1051
1052 vty_out(vty,
1053 "%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
1054 oi->interface->name, oi->hello_in, oi->hello_out,
1055 oi->db_desc_in, oi->db_desc_out, oi->ls_req_in,
1056 oi->ls_req_out, oi->ls_upd_in, oi->ls_upd_out,
1057 oi->ls_ack_in, oi->ls_ack_out);
1058 }
1059
1060 return CMD_SUCCESS;
1061 }
1062
1063 /* show interface */
1064 DEFUN (show_ipv6_ospf6_interface_traffic,
1065 show_ipv6_ospf6_interface_traffic_cmd,
1066 "show ipv6 ospf6 interface traffic [IFNAME]",
1067 SHOW_STR
1068 IP6_STR
1069 OSPF6_STR
1070 INTERFACE_STR
1071 "Protocol Packet counters\n"
1072 IFNAME_STR)
1073 {
1074 int idx_ifname = 0;
1075 int display_once = 0;
1076 char *intf_name = NULL;
1077 struct interface *ifp = NULL;
1078
1079 if (argv_find(argv, argc, "IFNAME", &idx_ifname)) {
1080 intf_name = argv[idx_ifname]->arg;
1081 ifp = if_lookup_by_name(intf_name, VRF_DEFAULT);
1082 if (ifp == NULL) {
1083 vty_out(vty, "No such Interface: %s\n", intf_name);
1084 return CMD_WARNING;
1085 }
1086 if (ifp->info == NULL) {
1087 vty_out(vty,
1088 " OSPF not enabled on this interface %s\n",
1089 intf_name);
1090 return 0;
1091 }
1092 }
1093
1094 ospf6_interface_show_traffic(vty, VRF_DEFAULT, ifp, display_once);
1095
1096
1097 return CMD_SUCCESS;
1098 }
1099
1100
1101 DEFUN (show_ipv6_ospf6_interface_ifname_prefix,
1102 show_ipv6_ospf6_interface_ifname_prefix_cmd,
1103 "show ipv6 ospf6 interface IFNAME prefix\
1104 [<\
1105 detail\
1106 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1107 >]",
1108 SHOW_STR
1109 IP6_STR
1110 OSPF6_STR
1111 INTERFACE_STR
1112 IFNAME_STR
1113 "Display connected prefixes to advertise\n"
1114 "Display details of the prefixes\n"
1115 OSPF6_ROUTE_ADDRESS_STR
1116 OSPF6_ROUTE_PREFIX_STR
1117 OSPF6_ROUTE_MATCH_STR
1118 "Display details of the prefixes\n")
1119 {
1120 int idx_ifname = 4;
1121 int idx_prefix = 6;
1122 struct interface *ifp;
1123 struct ospf6_interface *oi;
1124
1125 ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
1126 if (ifp == NULL) {
1127 vty_out(vty, "No such Interface: %s\n", argv[idx_ifname]->arg);
1128 return CMD_WARNING;
1129 }
1130
1131 oi = ifp->info;
1132 if (oi == NULL) {
1133 vty_out(vty, "OSPFv3 is not enabled on %s\n",
1134 argv[idx_ifname]->arg);
1135 return CMD_WARNING;
1136 }
1137
1138 ospf6_route_table_show(vty, idx_prefix, argc, argv,
1139 oi->route_connected);
1140
1141 return CMD_SUCCESS;
1142 }
1143
1144 DEFUN (show_ipv6_ospf6_interface_prefix,
1145 show_ipv6_ospf6_interface_prefix_cmd,
1146 "show ipv6 ospf6 interface prefix\
1147 [<\
1148 detail\
1149 |<X:X::X:X|X:X::X:X/M> [<match|detail>]\
1150 >]",
1151 SHOW_STR
1152 IP6_STR
1153 OSPF6_STR
1154 INTERFACE_STR
1155 "Display connected prefixes to advertise\n"
1156 "Display details of the prefixes\n"
1157 OSPF6_ROUTE_ADDRESS_STR
1158 OSPF6_ROUTE_PREFIX_STR
1159 OSPF6_ROUTE_MATCH_STR
1160 "Display details of the prefixes\n")
1161 {
1162 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
1163 int idx_prefix = 5;
1164 struct ospf6_interface *oi;
1165 struct interface *ifp;
1166
1167 FOR_ALL_INTERFACES (vrf, ifp) {
1168 oi = (struct ospf6_interface *)ifp->info;
1169 if (oi == NULL)
1170 continue;
1171
1172 ospf6_route_table_show(vty, idx_prefix, argc, argv,
1173 oi->route_connected);
1174 }
1175
1176 return CMD_SUCCESS;
1177 }
1178
1179 /* interface variable set command */
1180 DEFUN (ipv6_ospf6_ifmtu,
1181 ipv6_ospf6_ifmtu_cmd,
1182 "ipv6 ospf6 ifmtu (1-65535)",
1183 IP6_STR
1184 OSPF6_STR
1185 "Interface MTU\n"
1186 "OSPFv3 Interface MTU\n"
1187 )
1188 {
1189 VTY_DECLVAR_CONTEXT(interface, ifp);
1190 int idx_number = 3;
1191 struct ospf6_interface *oi;
1192 unsigned int ifmtu, iobuflen;
1193 struct listnode *node, *nnode;
1194 struct ospf6_neighbor *on;
1195
1196 assert(ifp);
1197
1198 oi = (struct ospf6_interface *)ifp->info;
1199 if (oi == NULL)
1200 oi = ospf6_interface_create(ifp);
1201 assert(oi);
1202
1203 ifmtu = strtol(argv[idx_number]->arg, NULL, 10);
1204
1205 if (oi->c_ifmtu == ifmtu)
1206 return CMD_SUCCESS;
1207
1208 if (ifp->mtu6 != 0 && ifp->mtu6 < ifmtu) {
1209 vty_out(vty,
1210 "%s's ospf6 ifmtu cannot go beyond physical mtu (%d)\n",
1211 ifp->name, ifp->mtu6);
1212 return CMD_WARNING_CONFIG_FAILED;
1213 }
1214
1215 if (oi->ifmtu < ifmtu) {
1216 iobuflen = ospf6_iobuf_size(ifmtu);
1217 if (iobuflen < ifmtu) {
1218 vty_out(vty,
1219 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1220 ifp->name, iobuflen);
1221 oi->ifmtu = oi->c_ifmtu = iobuflen;
1222 } else
1223 oi->ifmtu = oi->c_ifmtu = ifmtu;
1224 } else
1225 oi->ifmtu = oi->c_ifmtu = ifmtu;
1226
1227 /* re-establish adjacencies */
1228 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1229 THREAD_OFF(on->inactivity_timer);
1230 thread_add_event(master, inactivity_timer, on, 0, NULL);
1231 }
1232
1233 return CMD_SUCCESS;
1234 }
1235
1236 DEFUN (no_ipv6_ospf6_ifmtu,
1237 no_ipv6_ospf6_ifmtu_cmd,
1238 "no ipv6 ospf6 ifmtu [(1-65535)]",
1239 NO_STR
1240 IP6_STR
1241 OSPF6_STR
1242 "Interface MTU\n"
1243 "OSPFv3 Interface MTU\n"
1244 )
1245 {
1246 VTY_DECLVAR_CONTEXT(interface, ifp);
1247 struct ospf6_interface *oi;
1248 unsigned int iobuflen;
1249 struct listnode *node, *nnode;
1250 struct ospf6_neighbor *on;
1251
1252 assert(ifp);
1253
1254 oi = (struct ospf6_interface *)ifp->info;
1255 if (oi == NULL)
1256 oi = ospf6_interface_create(ifp);
1257 assert(oi);
1258
1259 if (oi->ifmtu < ifp->mtu) {
1260 iobuflen = ospf6_iobuf_size(ifp->mtu);
1261 if (iobuflen < ifp->mtu) {
1262 vty_out(vty,
1263 "%s's ifmtu is adjusted to I/O buffer size (%d).\n",
1264 ifp->name, iobuflen);
1265 oi->ifmtu = iobuflen;
1266 } else
1267 oi->ifmtu = ifp->mtu;
1268 } else
1269 oi->ifmtu = ifp->mtu;
1270
1271 oi->c_ifmtu = 0;
1272
1273 /* re-establish adjacencies */
1274 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1275 THREAD_OFF(on->inactivity_timer);
1276 thread_add_event(master, inactivity_timer, on, 0, NULL);
1277 }
1278
1279 return CMD_SUCCESS;
1280 }
1281
1282 DEFUN (ipv6_ospf6_cost,
1283 ipv6_ospf6_cost_cmd,
1284 "ipv6 ospf6 cost (1-65535)",
1285 IP6_STR
1286 OSPF6_STR
1287 "Interface cost\n"
1288 "Outgoing metric of this interface\n")
1289 {
1290 VTY_DECLVAR_CONTEXT(interface, ifp);
1291 int idx_number = 3;
1292 struct ospf6_interface *oi;
1293 unsigned long int lcost;
1294
1295 assert(ifp);
1296
1297 oi = (struct ospf6_interface *)ifp->info;
1298 if (oi == NULL)
1299 oi = ospf6_interface_create(ifp);
1300 assert(oi);
1301
1302 lcost = strtol(argv[idx_number]->arg, NULL, 10);
1303
1304 if (lcost > UINT32_MAX) {
1305 vty_out(vty, "Cost %ld is out of range\n", lcost);
1306 return CMD_WARNING_CONFIG_FAILED;
1307 }
1308
1309 if (oi->cost == lcost)
1310 return CMD_SUCCESS;
1311
1312 oi->cost = lcost;
1313 SET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1314
1315 ospf6_interface_force_recalculate_cost(oi);
1316
1317 return CMD_SUCCESS;
1318 }
1319
1320 DEFUN (no_ipv6_ospf6_cost,
1321 no_ipv6_ospf6_cost_cmd,
1322 "no ipv6 ospf6 cost [(1-65535)]",
1323 NO_STR
1324 IP6_STR
1325 OSPF6_STR
1326 "Calculate interface cost from bandwidth\n"
1327 "Outgoing metric of this interface\n")
1328 {
1329 VTY_DECLVAR_CONTEXT(interface, ifp);
1330 struct ospf6_interface *oi;
1331 assert(ifp);
1332
1333 oi = (struct ospf6_interface *)ifp->info;
1334 if (oi == NULL)
1335 oi = ospf6_interface_create(ifp);
1336 assert(oi);
1337
1338 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
1339
1340 ospf6_interface_recalculate_cost(oi);
1341
1342 return CMD_SUCCESS;
1343 }
1344
1345 DEFUN (auto_cost_reference_bandwidth,
1346 auto_cost_reference_bandwidth_cmd,
1347 "auto-cost reference-bandwidth (1-4294967)",
1348 "Calculate OSPF interface cost according to bandwidth\n"
1349 "Use reference bandwidth method to assign OSPF cost\n"
1350 "The reference bandwidth in terms of Mbits per second\n")
1351 {
1352 VTY_DECLVAR_CONTEXT(ospf6, o);
1353 int idx_number = 2;
1354 struct ospf6_area *oa;
1355 struct ospf6_interface *oi;
1356 struct listnode *i, *j;
1357 uint32_t refbw;
1358
1359 refbw = strtol(argv[idx_number]->arg, NULL, 10);
1360 if (refbw < 1 || refbw > 4294967) {
1361 vty_out(vty, "reference-bandwidth value is invalid\n");
1362 return CMD_WARNING_CONFIG_FAILED;
1363 }
1364
1365 /* If reference bandwidth is changed. */
1366 if ((refbw) == o->ref_bandwidth)
1367 return CMD_SUCCESS;
1368
1369 o->ref_bandwidth = refbw;
1370 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
1371 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
1372 ospf6_interface_recalculate_cost(oi);
1373
1374 return CMD_SUCCESS;
1375 }
1376
1377 DEFUN (no_auto_cost_reference_bandwidth,
1378 no_auto_cost_reference_bandwidth_cmd,
1379 "no auto-cost reference-bandwidth [(1-4294967)]",
1380 NO_STR
1381 "Calculate OSPF interface cost according to bandwidth\n"
1382 "Use reference bandwidth method to assign OSPF cost\n"
1383 "The reference bandwidth in terms of Mbits per second\n")
1384 {
1385 VTY_DECLVAR_CONTEXT(ospf6, o);
1386 struct ospf6_area *oa;
1387 struct ospf6_interface *oi;
1388 struct listnode *i, *j;
1389
1390 if (o->ref_bandwidth == OSPF6_REFERENCE_BANDWIDTH)
1391 return CMD_SUCCESS;
1392
1393 o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
1394 for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
1395 for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
1396 ospf6_interface_recalculate_cost(oi);
1397
1398 return CMD_SUCCESS;
1399 }
1400
1401
1402 DEFUN (ipv6_ospf6_hellointerval,
1403 ipv6_ospf6_hellointerval_cmd,
1404 "ipv6 ospf6 hello-interval (1-65535)",
1405 IP6_STR
1406 OSPF6_STR
1407 "Time between HELLO packets\n"
1408 SECONDS_STR)
1409 {
1410 VTY_DECLVAR_CONTEXT(interface, ifp);
1411 int idx_number = 3;
1412 struct ospf6_interface *oi;
1413 assert(ifp);
1414
1415 oi = (struct ospf6_interface *)ifp->info;
1416 if (oi == NULL)
1417 oi = ospf6_interface_create(ifp);
1418 assert(oi);
1419
1420 oi->hello_interval = strmatch(argv[0]->text, "no")
1421 ? OSPF_HELLO_INTERVAL_DEFAULT
1422 : strtoul(argv[idx_number]->arg, NULL, 10);
1423 return CMD_SUCCESS;
1424 }
1425
1426 ALIAS (ipv6_ospf6_hellointerval,
1427 no_ipv6_ospf6_hellointerval_cmd,
1428 "no ipv6 ospf6 hello-interval [(1-65535)]",
1429 NO_STR
1430 IP6_STR
1431 OSPF6_STR
1432 "Time between HELLO packets\n"
1433 SECONDS_STR)
1434
1435 /* interface variable set command */
1436 DEFUN (ipv6_ospf6_deadinterval,
1437 ipv6_ospf6_deadinterval_cmd,
1438 "ipv6 ospf6 dead-interval (1-65535)",
1439 IP6_STR
1440 OSPF6_STR
1441 "Interval time after which a neighbor is declared down\n"
1442 SECONDS_STR)
1443 {
1444 VTY_DECLVAR_CONTEXT(interface, ifp);
1445 int idx_number = 3;
1446 struct ospf6_interface *oi;
1447 assert(ifp);
1448
1449 oi = (struct ospf6_interface *)ifp->info;
1450 if (oi == NULL)
1451 oi = ospf6_interface_create(ifp);
1452 assert(oi);
1453
1454 oi->dead_interval = strmatch(argv[0]->arg, "no")
1455 ? OSPF_ROUTER_DEAD_INTERVAL_DEFAULT
1456 : strtoul(argv[idx_number]->arg, NULL, 10);
1457 return CMD_SUCCESS;
1458 }
1459
1460 ALIAS (ipv6_ospf6_deadinterval,
1461 no_ipv6_ospf6_deadinterval_cmd,
1462 "no ipv6 ospf6 dead-interval [(1-65535)]",
1463 NO_STR
1464 IP6_STR
1465 OSPF6_STR
1466 "Interval time after which a neighbor is declared down\n"
1467 SECONDS_STR)
1468
1469 /* interface variable set command */
1470 DEFUN (ipv6_ospf6_transmitdelay,
1471 ipv6_ospf6_transmitdelay_cmd,
1472 "ipv6 ospf6 transmit-delay (1-3600)",
1473 IP6_STR
1474 OSPF6_STR
1475 "Link state transmit delay\n"
1476 SECONDS_STR)
1477 {
1478 VTY_DECLVAR_CONTEXT(interface, ifp);
1479 int idx_number = 3;
1480 struct ospf6_interface *oi;
1481 assert(ifp);
1482
1483 oi = (struct ospf6_interface *)ifp->info;
1484 if (oi == NULL)
1485 oi = ospf6_interface_create(ifp);
1486 assert(oi);
1487
1488 oi->transdelay = strmatch(argv[0]->text, "no")
1489 ? OSPF6_INTERFACE_TRANSDELAY
1490 : strtoul(argv[idx_number]->arg, NULL, 10);
1491 return CMD_SUCCESS;
1492 }
1493
1494 ALIAS (ipv6_ospf6_transmitdelay,
1495 no_ipv6_ospf6_transmitdelay_cmd,
1496 "no ipv6 ospf6 transmit-delay [(1-3600)]",
1497 NO_STR
1498 IP6_STR
1499 OSPF6_STR
1500 "Link state transmit delay\n"
1501 SECONDS_STR)
1502
1503 /* interface variable set command */
1504 DEFUN (ipv6_ospf6_retransmitinterval,
1505 ipv6_ospf6_retransmitinterval_cmd,
1506 "ipv6 ospf6 retransmit-interval (1-65535)",
1507 IP6_STR
1508 OSPF6_STR
1509 "Time between retransmitting lost link state advertisements\n"
1510 SECONDS_STR)
1511 {
1512 VTY_DECLVAR_CONTEXT(interface, ifp);
1513 int idx_number = 3;
1514 struct ospf6_interface *oi;
1515 assert(ifp);
1516
1517 oi = (struct ospf6_interface *)ifp->info;
1518 if (oi == NULL)
1519 oi = ospf6_interface_create(ifp);
1520 assert(oi);
1521
1522 oi->rxmt_interval = strmatch(argv[0]->text, "no")
1523 ? OSPF_RETRANSMIT_INTERVAL_DEFAULT
1524 : strtoul(argv[idx_number]->arg, NULL, 10);
1525 return CMD_SUCCESS;
1526 }
1527
1528 ALIAS (ipv6_ospf6_retransmitinterval,
1529 no_ipv6_ospf6_retransmitinterval_cmd,
1530 "no ipv6 ospf6 retransmit-interval [(1-65535)]",
1531 NO_STR
1532 IP6_STR
1533 OSPF6_STR
1534 "Time between retransmitting lost link state advertisements\n"
1535 SECONDS_STR)
1536
1537 /* interface variable set command */
1538 DEFUN (ipv6_ospf6_priority,
1539 ipv6_ospf6_priority_cmd,
1540 "ipv6 ospf6 priority (0-255)",
1541 IP6_STR
1542 OSPF6_STR
1543 "Router priority\n"
1544 "Priority value\n")
1545 {
1546 VTY_DECLVAR_CONTEXT(interface, ifp);
1547 int idx_number = 3;
1548 struct ospf6_interface *oi;
1549 assert(ifp);
1550
1551 oi = (struct ospf6_interface *)ifp->info;
1552 if (oi == NULL)
1553 oi = ospf6_interface_create(ifp);
1554 assert(oi);
1555
1556 oi->priority = strmatch(argv[0]->text, "no")
1557 ? OSPF6_INTERFACE_PRIORITY
1558 : strtoul(argv[idx_number]->arg, NULL, 10);
1559
1560 if (oi->area && (oi->state == OSPF6_INTERFACE_DROTHER
1561 || oi->state == OSPF6_INTERFACE_BDR
1562 || oi->state == OSPF6_INTERFACE_DR))
1563 ospf6_interface_state_change(dr_election(oi), oi);
1564
1565 return CMD_SUCCESS;
1566 }
1567
1568 ALIAS (ipv6_ospf6_priority,
1569 no_ipv6_ospf6_priority_cmd,
1570 "no ipv6 ospf6 priority [(0-255)]",
1571 NO_STR
1572 IP6_STR
1573 OSPF6_STR
1574 "Router priority\n"
1575 "Priority value\n")
1576
1577 DEFUN (ipv6_ospf6_instance,
1578 ipv6_ospf6_instance_cmd,
1579 "ipv6 ospf6 instance-id (0-255)",
1580 IP6_STR
1581 OSPF6_STR
1582 "Instance ID for this interface\n"
1583 "Instance ID value\n")
1584 {
1585 VTY_DECLVAR_CONTEXT(interface, ifp);
1586 int idx_number = 3;
1587 struct ospf6_interface *oi;
1588 assert(ifp);
1589
1590 oi = (struct ospf6_interface *)ifp->info;
1591 if (oi == NULL)
1592 oi = ospf6_interface_create(ifp);
1593 assert(oi);
1594
1595 oi->instance_id = strmatch(argv[0]->text, "no")
1596 ? OSPF6_INTERFACE_INSTANCE_ID
1597 : strtoul(argv[idx_number]->arg, NULL, 10);
1598 return CMD_SUCCESS;
1599 }
1600
1601 ALIAS (ipv6_ospf6_instance,
1602 no_ipv6_ospf6_instance_cmd,
1603 "no ipv6 ospf6 instance-id [(0-255)]",
1604 NO_STR
1605 IP6_STR
1606 OSPF6_STR
1607 "Instance ID for this interface\n"
1608 "Instance ID value\n")
1609
1610 DEFUN (ipv6_ospf6_passive,
1611 ipv6_ospf6_passive_cmd,
1612 "ipv6 ospf6 passive",
1613 IP6_STR
1614 OSPF6_STR
1615 "Passive interface; no adjacency will be formed on this interface\n"
1616 )
1617 {
1618 VTY_DECLVAR_CONTEXT(interface, ifp);
1619 struct ospf6_interface *oi;
1620 struct listnode *node, *nnode;
1621 struct ospf6_neighbor *on;
1622
1623 assert(ifp);
1624
1625 oi = (struct ospf6_interface *)ifp->info;
1626 if (oi == NULL)
1627 oi = ospf6_interface_create(ifp);
1628 assert(oi);
1629
1630 SET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
1631 THREAD_OFF(oi->thread_send_hello);
1632 THREAD_OFF(oi->thread_sso);
1633
1634 for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
1635 THREAD_OFF(on->inactivity_timer);
1636 thread_add_event(master, inactivity_timer, on, 0, NULL);
1637 }
1638
1639 return CMD_SUCCESS;
1640 }
1641
1642 DEFUN (no_ipv6_ospf6_passive,
1643 no_ipv6_ospf6_passive_cmd,
1644 "no ipv6 ospf6 passive",
1645 NO_STR
1646 IP6_STR
1647 OSPF6_STR
1648 "passive interface: No Adjacency will be formed on this I/F\n"
1649 )
1650 {
1651 VTY_DECLVAR_CONTEXT(interface, ifp);
1652 struct ospf6_interface *oi;
1653 assert(ifp);
1654
1655 oi = (struct ospf6_interface *)ifp->info;
1656 if (oi == NULL)
1657 oi = ospf6_interface_create(ifp);
1658 assert(oi);
1659
1660 UNSET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
1661 THREAD_OFF(oi->thread_send_hello);
1662 THREAD_OFF(oi->thread_sso);
1663 thread_add_event(master, ospf6_hello_send, oi, 0,
1664 &oi->thread_send_hello);
1665
1666 return CMD_SUCCESS;
1667 }
1668
1669 DEFUN (ipv6_ospf6_mtu_ignore,
1670 ipv6_ospf6_mtu_ignore_cmd,
1671 "ipv6 ospf6 mtu-ignore",
1672 IP6_STR
1673 OSPF6_STR
1674 "Disable MTU mismatch detection on this interface\n"
1675 )
1676 {
1677 VTY_DECLVAR_CONTEXT(interface, ifp);
1678 struct ospf6_interface *oi;
1679 assert(ifp);
1680
1681 oi = (struct ospf6_interface *)ifp->info;
1682 if (oi == NULL)
1683 oi = ospf6_interface_create(ifp);
1684 assert(oi);
1685
1686 oi->mtu_ignore = 1;
1687
1688 return CMD_SUCCESS;
1689 }
1690
1691 DEFUN (no_ipv6_ospf6_mtu_ignore,
1692 no_ipv6_ospf6_mtu_ignore_cmd,
1693 "no ipv6 ospf6 mtu-ignore",
1694 NO_STR
1695 IP6_STR
1696 OSPF6_STR
1697 "Disable MTU mismatch detection on this interface\n"
1698 )
1699 {
1700 VTY_DECLVAR_CONTEXT(interface, ifp);
1701 struct ospf6_interface *oi;
1702 assert(ifp);
1703
1704 oi = (struct ospf6_interface *)ifp->info;
1705 if (oi == NULL)
1706 oi = ospf6_interface_create(ifp);
1707 assert(oi);
1708
1709 oi->mtu_ignore = 0;
1710
1711 return CMD_SUCCESS;
1712 }
1713
1714 DEFUN (ipv6_ospf6_advertise_prefix_list,
1715 ipv6_ospf6_advertise_prefix_list_cmd,
1716 "ipv6 ospf6 advertise prefix-list WORD",
1717 IP6_STR
1718 OSPF6_STR
1719 "Advertising options\n"
1720 "Filter prefix using prefix-list\n"
1721 "Prefix list name\n"
1722 )
1723 {
1724 VTY_DECLVAR_CONTEXT(interface, ifp);
1725 int idx_word = 4;
1726 struct ospf6_interface *oi;
1727 assert(ifp);
1728
1729 oi = (struct ospf6_interface *)ifp->info;
1730 if (oi == NULL)
1731 oi = ospf6_interface_create(ifp);
1732 assert(oi);
1733
1734 if (oi->plist_name)
1735 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
1736 oi->plist_name = XSTRDUP(MTYPE_CFG_PLIST_NAME, argv[idx_word]->arg);
1737
1738 ospf6_interface_connected_route_update(oi->interface);
1739
1740 if (oi->area) {
1741 OSPF6_LINK_LSA_SCHEDULE(oi);
1742 if (oi->state == OSPF6_INTERFACE_DR) {
1743 OSPF6_NETWORK_LSA_SCHEDULE(oi);
1744 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
1745 }
1746 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
1747 }
1748
1749 return CMD_SUCCESS;
1750 }
1751
1752 DEFUN (no_ipv6_ospf6_advertise_prefix_list,
1753 no_ipv6_ospf6_advertise_prefix_list_cmd,
1754 "no ipv6 ospf6 advertise prefix-list [WORD]",
1755 NO_STR
1756 IP6_STR
1757 OSPF6_STR
1758 "Advertising options\n"
1759 "Filter prefix using prefix-list\n"
1760 "Prefix list name\n")
1761 {
1762 VTY_DECLVAR_CONTEXT(interface, ifp);
1763 struct ospf6_interface *oi;
1764 assert(ifp);
1765
1766 oi = (struct ospf6_interface *)ifp->info;
1767 if (oi == NULL)
1768 oi = ospf6_interface_create(ifp);
1769 assert(oi);
1770
1771 if (oi->plist_name)
1772 XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
1773
1774 ospf6_interface_connected_route_update(oi->interface);
1775
1776 if (oi->area) {
1777 OSPF6_LINK_LSA_SCHEDULE(oi);
1778 if (oi->state == OSPF6_INTERFACE_DR) {
1779 OSPF6_NETWORK_LSA_SCHEDULE(oi);
1780 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
1781 }
1782 OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
1783 }
1784
1785 return CMD_SUCCESS;
1786 }
1787
1788 DEFUN (ipv6_ospf6_network,
1789 ipv6_ospf6_network_cmd,
1790 "ipv6 ospf6 network <broadcast|point-to-point>",
1791 IP6_STR
1792 OSPF6_STR
1793 "Network type\n"
1794 "Specify OSPF6 broadcast network\n"
1795 "Specify OSPF6 point-to-point network\n"
1796 )
1797 {
1798 VTY_DECLVAR_CONTEXT(interface, ifp);
1799 int idx_network = 3;
1800 struct ospf6_interface *oi;
1801 assert(ifp);
1802
1803 oi = (struct ospf6_interface *)ifp->info;
1804 if (oi == NULL) {
1805 oi = ospf6_interface_create(ifp);
1806 }
1807 assert(oi);
1808
1809 if (strncmp(argv[idx_network]->arg, "b", 1) == 0) {
1810 if (oi->type == OSPF_IFTYPE_BROADCAST)
1811 return CMD_SUCCESS;
1812
1813 oi->type = OSPF_IFTYPE_BROADCAST;
1814 } else if (strncmp(argv[idx_network]->arg, "point-to-p", 10) == 0) {
1815 if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
1816 return CMD_SUCCESS;
1817 }
1818 oi->type = OSPF_IFTYPE_POINTOPOINT;
1819 }
1820
1821 /* Reset the interface */
1822 thread_execute(master, interface_down, oi, 0);
1823 thread_execute(master, interface_up, oi, 0);
1824
1825 return CMD_SUCCESS;
1826 }
1827
1828 DEFUN (no_ipv6_ospf6_network,
1829 no_ipv6_ospf6_network_cmd,
1830 "no ipv6 ospf6 network [<broadcast|point-to-point>]",
1831 NO_STR
1832 IP6_STR
1833 OSPF6_STR
1834 "Set default network type\n"
1835 "Specify OSPF6 broadcast network\n"
1836 "Specify OSPF6 point-to-point network\n")
1837 {
1838 VTY_DECLVAR_CONTEXT(interface, ifp);
1839 struct ospf6_interface *oi;
1840 int type;
1841
1842 assert(ifp);
1843
1844 oi = (struct ospf6_interface *)ifp->info;
1845 if (oi == NULL) {
1846 return CMD_SUCCESS;
1847 }
1848
1849 type = ospf6_default_iftype(ifp);
1850 if (oi->type == type) {
1851 return CMD_SUCCESS;
1852 }
1853 oi->type = type;
1854
1855 /* Reset the interface */
1856 thread_execute(master, interface_down, oi, 0);
1857 thread_execute(master, interface_up, oi, 0);
1858
1859 return CMD_SUCCESS;
1860 }
1861
1862 static int config_write_ospf6_interface(struct vty *vty)
1863 {
1864 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
1865 struct ospf6_interface *oi;
1866 struct interface *ifp;
1867
1868 FOR_ALL_INTERFACES (vrf, ifp) {
1869 oi = (struct ospf6_interface *)ifp->info;
1870 if (oi == NULL)
1871 continue;
1872
1873 vty_frame(vty, "interface %s\n", oi->interface->name);
1874
1875 if (ifp->desc)
1876 vty_out(vty, " description %s\n", ifp->desc);
1877 if (oi->c_ifmtu)
1878 vty_out(vty, " ipv6 ospf6 ifmtu %d\n", oi->c_ifmtu);
1879
1880 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
1881 vty_out(vty, " ipv6 ospf6 cost %d\n", oi->cost);
1882
1883 if (oi->hello_interval != OSPF6_INTERFACE_HELLO_INTERVAL)
1884 vty_out(vty, " ipv6 ospf6 hello-interval %d\n",
1885 oi->hello_interval);
1886
1887 if (oi->dead_interval != OSPF6_INTERFACE_DEAD_INTERVAL)
1888 vty_out(vty, " ipv6 ospf6 dead-interval %d\n",
1889 oi->dead_interval);
1890
1891 if (oi->rxmt_interval != OSPF6_INTERFACE_RXMT_INTERVAL)
1892 vty_out(vty, " ipv6 ospf6 retransmit-interval %d\n",
1893 oi->rxmt_interval);
1894
1895 if (oi->priority != OSPF6_INTERFACE_PRIORITY)
1896 vty_out(vty, " ipv6 ospf6 priority %d\n", oi->priority);
1897
1898 if (oi->transdelay != OSPF6_INTERFACE_TRANSDELAY)
1899 vty_out(vty, " ipv6 ospf6 transmit-delay %d\n",
1900 oi->transdelay);
1901
1902 if (oi->instance_id != OSPF6_INTERFACE_INSTANCE_ID)
1903 vty_out(vty, " ipv6 ospf6 instance-id %d\n",
1904 oi->instance_id);
1905
1906 if (oi->plist_name)
1907 vty_out(vty, " ipv6 ospf6 advertise prefix-list %s\n",
1908 oi->plist_name);
1909
1910 if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE))
1911 vty_out(vty, " ipv6 ospf6 passive\n");
1912
1913 if (oi->mtu_ignore)
1914 vty_out(vty, " ipv6 ospf6 mtu-ignore\n");
1915
1916 if (oi->type != ospf6_default_iftype(ifp)) {
1917 if (oi->type == OSPF_IFTYPE_POINTOPOINT)
1918 vty_out(vty,
1919 " ipv6 ospf6 network point-to-point\n");
1920 else if (oi->type == OSPF_IFTYPE_BROADCAST)
1921 vty_out(vty, " ipv6 ospf6 network broadcast\n");
1922 }
1923
1924 ospf6_bfd_write_config(vty, oi);
1925
1926 vty_endframe(vty, "!\n");
1927 }
1928 return 0;
1929 }
1930
1931 static struct cmd_node interface_node = {
1932 INTERFACE_NODE, "%s(config-if)# ", 1 /* VTYSH */
1933 };
1934
1935 void ospf6_interface_init(void)
1936 {
1937 /* Install interface node. */
1938 install_node(&interface_node, config_write_ospf6_interface);
1939 if_cmd_init();
1940
1941 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
1942 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_ifname_cmd);
1943 install_element(VIEW_NODE,
1944 &show_ipv6_ospf6_interface_ifname_prefix_cmd);
1945 install_element(VIEW_NODE, &show_ipv6_ospf6_interface_traffic_cmd);
1946
1947 install_element(INTERFACE_NODE, &ipv6_ospf6_cost_cmd);
1948 install_element(INTERFACE_NODE, &no_ipv6_ospf6_cost_cmd);
1949 install_element(INTERFACE_NODE, &ipv6_ospf6_ifmtu_cmd);
1950 install_element(INTERFACE_NODE, &no_ipv6_ospf6_ifmtu_cmd);
1951
1952 install_element(INTERFACE_NODE, &ipv6_ospf6_deadinterval_cmd);
1953 install_element(INTERFACE_NODE, &ipv6_ospf6_hellointerval_cmd);
1954 install_element(INTERFACE_NODE, &ipv6_ospf6_priority_cmd);
1955 install_element(INTERFACE_NODE, &ipv6_ospf6_retransmitinterval_cmd);
1956 install_element(INTERFACE_NODE, &ipv6_ospf6_transmitdelay_cmd);
1957 install_element(INTERFACE_NODE, &ipv6_ospf6_instance_cmd);
1958 install_element(INTERFACE_NODE, &no_ipv6_ospf6_deadinterval_cmd);
1959 install_element(INTERFACE_NODE, &no_ipv6_ospf6_hellointerval_cmd);
1960 install_element(INTERFACE_NODE, &no_ipv6_ospf6_priority_cmd);
1961 install_element(INTERFACE_NODE, &no_ipv6_ospf6_retransmitinterval_cmd);
1962 install_element(INTERFACE_NODE, &no_ipv6_ospf6_transmitdelay_cmd);
1963 install_element(INTERFACE_NODE, &no_ipv6_ospf6_instance_cmd);
1964
1965 install_element(INTERFACE_NODE, &ipv6_ospf6_passive_cmd);
1966 install_element(INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd);
1967
1968 install_element(INTERFACE_NODE, &ipv6_ospf6_mtu_ignore_cmd);
1969 install_element(INTERFACE_NODE, &no_ipv6_ospf6_mtu_ignore_cmd);
1970
1971 install_element(INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd);
1972 install_element(INTERFACE_NODE,
1973 &no_ipv6_ospf6_advertise_prefix_list_cmd);
1974
1975 install_element(INTERFACE_NODE, &ipv6_ospf6_network_cmd);
1976 install_element(INTERFACE_NODE, &no_ipv6_ospf6_network_cmd);
1977
1978 /* reference bandwidth commands */
1979 install_element(OSPF6_NODE, &auto_cost_reference_bandwidth_cmd);
1980 install_element(OSPF6_NODE, &no_auto_cost_reference_bandwidth_cmd);
1981 }
1982
1983 /* Clear the specified interface structure */
1984 static void ospf6_interface_clear(struct vty *vty, struct interface *ifp)
1985 {
1986 struct ospf6_interface *oi;
1987
1988 if (!if_is_operative(ifp))
1989 return;
1990
1991 if (ifp->info == NULL)
1992 return;
1993
1994 oi = (struct ospf6_interface *)ifp->info;
1995
1996 if (IS_OSPF6_DEBUG_INTERFACE)
1997 zlog_debug("Interface %s: clear by reset", ifp->name);
1998
1999 /* Reset the interface */
2000 thread_execute(master, interface_down, oi, 0);
2001 thread_execute(master, interface_up, oi, 0);
2002 }
2003
2004 /* Clear interface */
2005 DEFUN (clear_ipv6_ospf6_interface,
2006 clear_ipv6_ospf6_interface_cmd,
2007 "clear ipv6 ospf6 interface [IFNAME]",
2008 CLEAR_STR
2009 IP6_STR
2010 OSPF6_STR
2011 INTERFACE_STR
2012 IFNAME_STR
2013 )
2014 {
2015 struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
2016 int idx_ifname = 4;
2017 struct interface *ifp;
2018
2019 if (argc == 4) /* Clear all the ospfv3 interfaces. */
2020 {
2021 FOR_ALL_INTERFACES (vrf, ifp)
2022 ospf6_interface_clear(vty, ifp);
2023 } else /* Interface name is specified. */
2024 {
2025 if ((ifp = if_lookup_by_name(argv[idx_ifname]->arg,
2026 VRF_DEFAULT))
2027 == NULL) {
2028 vty_out(vty, "No such Interface: %s\n",
2029 argv[idx_ifname]->arg);
2030 return CMD_WARNING;
2031 }
2032 ospf6_interface_clear(vty, ifp);
2033 }
2034
2035 return CMD_SUCCESS;
2036 }
2037
2038 void install_element_ospf6_clear_interface(void)
2039 {
2040 install_element(ENABLE_NODE, &clear_ipv6_ospf6_interface_cmd);
2041 }
2042
2043 DEFUN (debug_ospf6_interface,
2044 debug_ospf6_interface_cmd,
2045 "debug ospf6 interface",
2046 DEBUG_STR
2047 OSPF6_STR
2048 "Debug OSPFv3 Interface\n"
2049 )
2050 {
2051 OSPF6_DEBUG_INTERFACE_ON();
2052 return CMD_SUCCESS;
2053 }
2054
2055 DEFUN (no_debug_ospf6_interface,
2056 no_debug_ospf6_interface_cmd,
2057 "no debug ospf6 interface",
2058 NO_STR
2059 DEBUG_STR
2060 OSPF6_STR
2061 "Debug OSPFv3 Interface\n"
2062 )
2063 {
2064 OSPF6_DEBUG_INTERFACE_OFF();
2065 return CMD_SUCCESS;
2066 }
2067
2068 int config_write_ospf6_debug_interface(struct vty *vty)
2069 {
2070 if (IS_OSPF6_DEBUG_INTERFACE)
2071 vty_out(vty, "debug ospf6 interface\n");
2072 return 0;
2073 }
2074
2075 void install_element_ospf6_debug_interface(void)
2076 {
2077 install_element(ENABLE_NODE, &debug_ospf6_interface_cmd);
2078 install_element(ENABLE_NODE, &no_debug_ospf6_interface_cmd);
2079 install_element(CONFIG_NODE, &debug_ospf6_interface_cmd);
2080 install_element(CONFIG_NODE, &no_debug_ospf6_interface_cmd);
2081 }
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