]>
Commit | Line | Data |
---|---|---|
acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
718e3744 | 2 | /* OSPF version 2 daemon program. |
896014f4 | 3 | * Copyright (C) 1999, 2000 Toshiaki Takada |
896014f4 | 4 | */ |
718e3744 | 5 | |
6 | #include <zebra.h> | |
7 | ||
24a58196 | 8 | #include "frrevent.h" |
718e3744 | 9 | #include "vty.h" |
10 | #include "command.h" | |
11 | #include "linklist.h" | |
12 | #include "prefix.h" | |
13 | #include "table.h" | |
14 | #include "if.h" | |
15 | #include "memory.h" | |
16 | #include "stream.h" | |
17 | #include "log.h" | |
d62a17ae | 18 | #include "sockunion.h" /* for inet_aton () */ |
718e3744 | 19 | #include "zclient.h" |
ded42248 | 20 | #include "routemap.h" |
718e3744 | 21 | #include "plist.h" |
f102e75f | 22 | #include "sockopt.h" |
567b877d | 23 | #include "bfd.h" |
8879bd22 | 24 | #include "libfrr.h" |
8efe88ea | 25 | #include "defaults.h" |
313d7993 | 26 | #include "lib_errors.h" |
132a782e | 27 | #include "ldp_sync.h" |
718e3744 | 28 | |
29 | #include "ospfd/ospfd.h" | |
659f4e40 | 30 | #include "ospfd/ospf_bfd.h" |
718e3744 | 31 | #include "ospfd/ospf_network.h" |
32 | #include "ospfd/ospf_interface.h" | |
33 | #include "ospfd/ospf_ism.h" | |
34 | #include "ospfd/ospf_asbr.h" | |
35 | #include "ospfd/ospf_lsa.h" | |
36 | #include "ospfd/ospf_lsdb.h" | |
37 | #include "ospfd/ospf_neighbor.h" | |
38 | #include "ospfd/ospf_nsm.h" | |
39 | #include "ospfd/ospf_spf.h" | |
40 | #include "ospfd/ospf_packet.h" | |
41 | #include "ospfd/ospf_dump.h" | |
19c0412a | 42 | #include "ospfd/ospf_route.h" |
718e3744 | 43 | #include "ospfd/ospf_zebra.h" |
44 | #include "ospfd/ospf_abr.h" | |
45 | #include "ospfd/ospf_flood.h" | |
718e3744 | 46 | #include "ospfd/ospf_ase.h" |
132a782e | 47 | #include "ospfd/ospf_ldp_sync.h" |
cd52c44c | 48 | #include "ospfd/ospf_gr.h" |
44038c7a | 49 | #include "ospfd/ospf_apiserver.h" |
718e3744 | 50 | |
6b0655a2 | 51 | |
96244aca | 52 | DEFINE_QOBJ_TYPE(ospf); |
edd7c245 | 53 | |
020709f9 | 54 | /* OSPF process wide configuration. */ |
55 | static struct ospf_master ospf_master; | |
56 | ||
57 | /* OSPF process wide configuration pointer to export. */ | |
58 | struct ospf_master *om; | |
718e3744 | 59 | |
409f98ab IR |
60 | unsigned short ospf_instance; |
61 | ||
718e3744 | 62 | extern struct zclient *zclient; |
63 | ||
6b0655a2 | 64 | |
d62a17ae | 65 | static void ospf_remove_vls_through_area(struct ospf *, struct ospf_area *); |
66 | static void ospf_network_free(struct ospf *, struct ospf_network *); | |
67 | static void ospf_area_free(struct ospf_area *); | |
68 | static void ospf_network_run(struct prefix *, struct ospf_area *); | |
69 | static void ospf_network_run_interface(struct ospf *, struct interface *, | |
70 | struct prefix *, struct ospf_area *); | |
71 | static void ospf_network_run_subnet(struct ospf *, struct connected *, | |
72 | struct prefix *, struct ospf_area *); | |
73 | static int ospf_network_match_iface(const struct connected *, | |
74 | const struct prefix *); | |
75 | static void ospf_finish_final(struct ospf *); | |
718e3744 | 76 | |
594f80c8 | 77 | /* API to clean refresh queues and LSAs */ |
78 | static void ospf_free_refresh_queue(struct ospf *ospf) | |
79 | { | |
80 | for (int i = 0; i < OSPF_LSA_REFRESHER_SLOTS; i++) { | |
81 | struct list *list = ospf->lsa_refresh_queue.qs[i]; | |
82 | struct listnode *node, *nnode; | |
83 | struct ospf_lsa *lsa; | |
84 | ||
85 | if (list) { | |
86 | for (ALL_LIST_ELEMENTS(list, node, nnode, lsa)) { | |
87 | listnode_delete(list, lsa); | |
88 | lsa->refresh_list = -1; | |
89 | ospf_lsa_unlock(&lsa); | |
90 | } | |
91 | list_delete(&list); | |
92 | ospf->lsa_refresh_queue.qs[i] = NULL; | |
93 | } | |
94 | } | |
95 | } | |
718e3744 | 96 | #define OSPF_EXTERNAL_LSA_ORIGINATE_DELAY 1 |
6b0655a2 | 97 | |
7fd0729f G |
98 | int p_spaces_compare_func(const struct p_space *a, const struct p_space *b) |
99 | { | |
385a1e07 G |
100 | if (a->protected_resource->type == OSPF_TI_LFA_LINK_PROTECTION |
101 | && b->protected_resource->type == OSPF_TI_LFA_LINK_PROTECTION) | |
102 | return (a->protected_resource->link->link_id.s_addr | |
103 | - b->protected_resource->link->link_id.s_addr); | |
104 | ||
105 | if (a->protected_resource->type == OSPF_TI_LFA_NODE_PROTECTION | |
106 | && b->protected_resource->type == OSPF_TI_LFA_NODE_PROTECTION) | |
107 | return (a->protected_resource->router_id.s_addr | |
108 | - b->protected_resource->router_id.s_addr); | |
109 | ||
110 | /* This should not happen */ | |
111 | return 0; | |
7fd0729f G |
112 | } |
113 | ||
114 | int q_spaces_compare_func(const struct q_space *a, const struct q_space *b) | |
115 | { | |
116 | return (a->root->id.s_addr - b->root->id.s_addr); | |
117 | } | |
118 | ||
119 | DECLARE_RBTREE_UNIQ(p_spaces, struct p_space, p_spaces_item, | |
960b9a53 | 120 | p_spaces_compare_func); |
7fd0729f | 121 | |
f91ce319 | 122 | void ospf_process_refresh_data(struct ospf *ospf, bool reset) |
718e3744 | 123 | { |
f4e14fdb | 124 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); |
d62a17ae | 125 | struct in_addr router_id, router_id_old; |
126 | struct ospf_interface *oi; | |
127 | struct interface *ifp; | |
f91ce319 MR |
128 | struct listnode *node, *nnode; |
129 | struct ospf_area *area; | |
130 | bool rid_change = false; | |
2c19a6ec | 131 | |
d62a17ae | 132 | if (!ospf->oi_running) { |
133 | if (IS_DEBUG_OSPF_EVENT) | |
134 | zlog_debug( | |
135 | "Router ospf not configured -- Router-ID update postponed"); | |
136 | return; | |
25a346eb | 137 | } |
718e3744 | 138 | |
d62a17ae | 139 | if (IS_DEBUG_OSPF_EVENT) |
96b663a3 MS |
140 | zlog_debug("Router-ID[OLD:%pI4]: Update", |
141 | &ospf->router_id); | |
d62a17ae | 142 | |
143 | router_id_old = ospf->router_id; | |
144 | ||
145 | /* Select the router ID based on these priorities: | |
146 | 1. Statically assigned router ID is always the first choice. | |
147 | 2. If there is no statically assigned router ID, then try to stick | |
148 | with the most recent value, since changing router ID's is very | |
149 | disruptive. | |
150 | 3. Last choice: just go with whatever the zebra daemon recommends. | |
151 | */ | |
3a6290bd | 152 | if (ospf->router_id_static.s_addr != INADDR_ANY) |
d62a17ae | 153 | router_id = ospf->router_id_static; |
3a6290bd | 154 | else if (ospf->router_id.s_addr != INADDR_ANY) |
d62a17ae | 155 | router_id = ospf->router_id; |
156 | else | |
6021c6c0 | 157 | router_id = ospf->router_id_zebra; |
d62a17ae | 158 | |
b5a8894d | 159 | if (IS_DEBUG_OSPF_EVENT) |
96b663a3 MS |
160 | zlog_debug("Router-ID[OLD:%pI4]: Update to %pI4", |
161 | &ospf->router_id, &router_id); | |
d62a17ae | 162 | |
f91ce319 MR |
163 | rid_change = !(IPV4_ADDR_SAME(&router_id_old, &router_id)); |
164 | if (rid_change || (reset)) { | |
d62a17ae | 165 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { |
166 | /* Some nbrs are identified by router_id, these needs | |
167 | * to be rebuilt. Possible optimization would be to do | |
168 | * oi->nbr_self->router_id = router_id for | |
169 | * !(virtual | ptop) links | |
170 | */ | |
171 | ospf_nbr_self_reset(oi, router_id); | |
7e0274f8 DS |
172 | |
173 | /* | |
174 | * If the old router id was not set, but now it | |
175 | * is and the interface is operative and the | |
176 | * state is ISM_Down we should kick the state | |
177 | * machine as that we processed the interfaces | |
178 | * based upon the network statement( or intf config ) | |
179 | * but could not start it at that time. | |
180 | */ | |
181 | if (if_is_operative(oi->ifp) && oi->state == ISM_Down | |
182 | && router_id_old.s_addr == INADDR_ANY) | |
183 | ospf_if_up(oi); | |
d62a17ae | 184 | } |
185 | ||
f91ce319 MR |
186 | /* Flush (inline) all the self originated LSAs */ |
187 | ospf_flush_self_originated_lsas_now(ospf); | |
d62a17ae | 188 | |
189 | ospf->router_id = router_id; | |
190 | if (IS_DEBUG_OSPF_EVENT) | |
96b663a3 MS |
191 | zlog_debug("Router-ID[NEW:%pI4]: Update", |
192 | &ospf->router_id); | |
d62a17ae | 193 | |
194 | /* Flush (inline) all external LSAs which now match the new | |
195 | router-id, | |
0437e105 | 196 | need to adjust the OSPF_LSA_SELF flag, so the flush doesn't |
d62a17ae | 197 | hit |
198 | asserts in ospf_refresher_unregister_lsa(). This step is | |
199 | needed | |
b72aae2e | 200 | because the current frr code does look-up for |
d62a17ae | 201 | self-originated LSAs |
202 | based on the self router-id alone but expects OSPF_LSA_SELF | |
203 | to be | |
204 | properly set */ | |
205 | if (ospf->lsdb) { | |
206 | struct route_node *rn; | |
207 | struct ospf_lsa *lsa; | |
208 | ||
044506e7 | 209 | LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa) { |
d62a17ae | 210 | /* AdvRouter and Router ID is the same. */ |
211 | if (IPV4_ADDR_SAME(&lsa->data->adv_router, | |
f91ce319 | 212 | &ospf->router_id) && rid_change) { |
d62a17ae | 213 | SET_FLAG(lsa->flags, |
214 | OSPF_LSA_SELF_CHECKED); | |
215 | SET_FLAG(lsa->flags, OSPF_LSA_SELF); | |
216 | ospf_lsa_flush_schedule(ospf, lsa); | |
217 | } | |
f91ce319 MR |
218 | /* The above flush will send immediately |
219 | * So discard the LSA to originate new | |
220 | */ | |
221 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); | |
d62a17ae | 222 | } |
f91ce319 MR |
223 | |
224 | LSDB_LOOP (OPAQUE_AS_LSDB(ospf), rn, lsa) | |
225 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); | |
226 | ||
227 | ospf_lsdb_delete_all(ospf->lsdb); | |
d62a17ae | 228 | } |
229 | ||
8fb693a4 MR |
230 | /* Since the LSAs are deleted, need reset the aggr flag */ |
231 | ospf_unset_all_aggr_flag(ospf); | |
232 | ||
f91ce319 MR |
233 | /* Delete the LSDB */ |
234 | for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) | |
235 | ospf_area_lsdb_discard_delete(area); | |
236 | ||
d62a17ae | 237 | /* update router-lsa's for each area */ |
238 | ospf_router_lsa_update(ospf); | |
239 | ||
240 | /* update ospf_interface's */ | |
f91ce319 MR |
241 | FOR_ALL_INTERFACES (vrf, ifp) { |
242 | if (reset) | |
243 | ospf_if_reset(ifp); | |
244 | else | |
245 | ospf_if_update(ospf, ifp); | |
246 | } | |
fa3c7c7e DL |
247 | |
248 | ospf_external_lsa_rid_change(ospf); | |
44038c7a CH |
249 | |
250 | #ifdef SUPPORT_OSPF_API | |
251 | ospf_apiserver_clients_notify_router_id_change(router_id); | |
252 | #endif | |
718e3744 | 253 | } |
f91ce319 MR |
254 | |
255 | ospf->inst_shutdown = 0; | |
256 | } | |
257 | ||
258 | void ospf_router_id_update(struct ospf *ospf) | |
259 | { | |
260 | ospf_process_refresh_data(ospf, false); | |
261 | } | |
262 | ||
263 | void ospf_process_reset(struct ospf *ospf) | |
264 | { | |
265 | ospf_process_refresh_data(ospf, true); | |
266 | } | |
267 | ||
268 | void ospf_neighbor_reset(struct ospf *ospf, struct in_addr nbr_id, | |
269 | const char *nbr_str) | |
270 | { | |
271 | struct route_node *rn; | |
272 | struct ospf_neighbor *nbr; | |
273 | struct ospf_interface *oi; | |
274 | struct listnode *node; | |
275 | ||
276 | /* Clear only a particular nbr with nbr router id as nbr_id */ | |
277 | if (nbr_str != NULL) { | |
278 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { | |
279 | nbr = ospf_nbr_lookup_by_routerid(oi->nbrs, &nbr_id); | |
280 | if (nbr) | |
281 | OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr); | |
282 | } | |
283 | return; | |
284 | } | |
285 | ||
286 | /* send Neighbor event KillNbr to all associated neighbors. */ | |
287 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { | |
288 | for (rn = route_top(oi->nbrs); rn; rn = route_next(rn)) { | |
289 | nbr = rn->info; | |
290 | if (nbr && (nbr != oi->nbr_self)) | |
291 | OSPF_NSM_EVENT_EXECUTE(nbr, NSM_KillNbr); | |
292 | } | |
293 | } | |
718e3744 | 294 | } |
6b0655a2 | 295 | |
718e3744 | 296 | /* For OSPF area sort by area id. */ |
d62a17ae | 297 | static int ospf_area_id_cmp(struct ospf_area *a1, struct ospf_area *a2) |
718e3744 | 298 | { |
d62a17ae | 299 | if (ntohl(a1->area_id.s_addr) > ntohl(a2->area_id.s_addr)) |
300 | return 1; | |
301 | if (ntohl(a1->area_id.s_addr) < ntohl(a2->area_id.s_addr)) | |
302 | return -1; | |
303 | return 0; | |
718e3744 | 304 | } |
305 | ||
5bd78355 IR |
306 | static void ospf_add(struct ospf *ospf) |
307 | { | |
308 | listnode_add(om->ospf, ospf); | |
309 | } | |
310 | ||
311 | static void ospf_delete(struct ospf *ospf) | |
312 | { | |
313 | listnode_delete(om->ospf, ospf); | |
314 | } | |
315 | ||
7fd0729f | 316 | struct ospf *ospf_new_alloc(unsigned short instance, const char *name) |
718e3744 | 317 | { |
d62a17ae | 318 | int i; |
b5a8894d | 319 | struct vrf *vrf = NULL; |
718e3744 | 320 | |
d62a17ae | 321 | struct ospf *new = XCALLOC(MTYPE_OSPF_TOP, sizeof(struct ospf)); |
718e3744 | 322 | |
d62a17ae | 323 | new->instance = instance; |
324 | new->router_id.s_addr = htonl(0); | |
325 | new->router_id_static.s_addr = htonl(0); | |
ac2cb9bf IR |
326 | |
327 | vrf = vrf_lookup_by_name(name); | |
328 | if (vrf) | |
329 | new->vrf_id = vrf->vrf_id; | |
330 | else | |
331 | new->vrf_id = VRF_UNKNOWN; | |
332 | ||
333 | /* Freed in ospf_finish_final */ | |
334 | new->name = XSTRDUP(MTYPE_OSPF_TOP, name); | |
335 | if (IS_DEBUG_OSPF_EVENT) | |
336 | zlog_debug( | |
337 | "%s: Create new ospf instance with vrf_name %s vrf_id %u", | |
338 | __func__, name, new->vrf_id); | |
a2d7fdfe | 339 | |
340 | if (vrf) | |
341 | ospf_vrf_link(new, vrf); | |
342 | ||
b5a8894d CS |
343 | ospf_zebra_vrf_register(new); |
344 | ||
d62a17ae | 345 | new->abr_type = OSPF_ABR_DEFAULT; |
346 | new->oiflist = list_new(); | |
347 | new->vlinks = list_new(); | |
348 | new->areas = list_new(); | |
349 | new->areas->cmp = (int (*)(void *, void *))ospf_area_id_cmp; | |
350 | new->networks = route_table_init(); | |
351 | new->nbr_nbma = route_table_init(); | |
718e3744 | 352 | |
d62a17ae | 353 | new->lsdb = ospf_lsdb_new(); |
718e3744 | 354 | |
d62a17ae | 355 | new->default_originate = DEFAULT_ORIGINATE_NONE; |
718e3744 | 356 | |
d62a17ae | 357 | new->passive_interface_default = OSPF_IF_ACTIVE; |
4ba4fc85 | 358 | |
d62a17ae | 359 | new->new_external_route = route_table_init(); |
360 | new->old_external_route = route_table_init(); | |
361 | new->external_lsas = route_table_init(); | |
362 | ||
363 | new->stub_router_startup_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
364 | new->stub_router_shutdown_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
365 | new->stub_router_admin_set = OSPF_STUB_ROUTER_ADMINISTRATIVE_UNSET; | |
366 | ||
367 | /* Distribute parameter init. */ | |
368 | for (i = 0; i <= ZEBRA_ROUTE_MAX; i++) { | |
369 | new->dtag[i] = 0; | |
370 | } | |
371 | new->default_metric = -1; | |
372 | new->ref_bandwidth = OSPF_DEFAULT_REF_BANDWIDTH; | |
373 | ||
374 | /* LSA timers */ | |
375 | new->min_ls_interval = OSPF_MIN_LS_INTERVAL; | |
376 | new->min_ls_arrival = OSPF_MIN_LS_ARRIVAL; | |
377 | ||
378 | /* SPF timer value init. */ | |
379 | new->spf_delay = OSPF_SPF_DELAY_DEFAULT; | |
380 | new->spf_holdtime = OSPF_SPF_HOLDTIME_DEFAULT; | |
381 | new->spf_max_holdtime = OSPF_SPF_MAX_HOLDTIME_DEFAULT; | |
382 | new->spf_hold_multiplier = 1; | |
383 | ||
384 | /* MaxAge init. */ | |
385 | new->maxage_delay = OSPF_LSA_MAXAGE_REMOVE_DELAY_DEFAULT; | |
386 | new->maxage_lsa = route_table_init(); | |
387 | new->t_maxage_walker = NULL; | |
907a2395 DS |
388 | event_add_timer(master, ospf_lsa_maxage_walker, new, |
389 | OSPF_LSA_MAXAGE_CHECK_INTERVAL, &new->t_maxage_walker); | |
d62a17ae | 390 | |
3d5b9855 | 391 | /* Max paths initialization */ |
392 | new->max_multipath = MULTIPATH_NUM; | |
393 | ||
d62a17ae | 394 | /* Distance table init. */ |
395 | new->distance_table = route_table_init(); | |
396 | ||
397 | new->lsa_refresh_queue.index = 0; | |
398 | new->lsa_refresh_interval = OSPF_LSA_REFRESH_INTERVAL_DEFAULT; | |
b345a3d9 | 399 | new->lsa_refresh_timer = OSPF_LS_REFRESH_TIME; |
d62a17ae | 400 | new->t_lsa_refresher = NULL; |
907a2395 DS |
401 | event_add_timer(master, ospf_lsa_refresh_walker, new, |
402 | new->lsa_refresh_interval, &new->t_lsa_refresher); | |
d62a17ae | 403 | new->lsa_refresher_started = monotime(NULL); |
404 | ||
266469eb DS |
405 | new->ibuf = stream_new(OSPF_MAX_PACKET_SIZE + 1); |
406 | ||
d62a17ae | 407 | new->t_read = NULL; |
d62a17ae | 408 | new->oi_write_q = list_new(); |
409 | new->write_oi_count = OSPF_WRITE_INTERFACE_COUNT_DEFAULT; | |
410 | ||
a92706bb JU |
411 | new->proactive_arp = OSPF_PROACTIVE_ARP_DEFAULT; |
412 | ||
51f8588e | 413 | ospf_gr_helper_instance_init(new); |
06bc3110 | 414 | |
ad7222b7 | 415 | ospf_asbr_external_aggregator_init(new); |
416 | ||
5bd78355 IR |
417 | ospf_opaque_type11_lsa_init(new); |
418 | ||
d62a17ae | 419 | QOBJ_REG(new, ospf); |
ae19c240 | 420 | |
3c0eb8fa | 421 | new->fd = -1; |
04a0401f | 422 | new->intf_socket_enabled = true; |
7fd0729f | 423 | |
6e6e1020 MS |
424 | new->recv_sock_bufsize = OSPF_DEFAULT_SOCK_BUFSIZE; |
425 | new->send_sock_bufsize = OSPF_DEFAULT_SOCK_BUFSIZE; | |
426 | ||
7fd0729f G |
427 | return new; |
428 | } | |
429 | ||
430 | /* Allocate new ospf structure. */ | |
431 | static struct ospf *ospf_new(unsigned short instance, const char *name) | |
432 | { | |
433 | struct ospf *new; | |
434 | ||
435 | new = ospf_new_alloc(instance, name); | |
5bd78355 IR |
436 | ospf_add(new); |
437 | ||
438 | if (new->vrf_id == VRF_UNKNOWN) | |
439 | return new; | |
7fd0729f | 440 | |
3c0eb8fa | 441 | if ((ospf_sock_init(new)) < 0) { |
5bd78355 IR |
442 | flog_err(EC_LIB_SOCKET, |
443 | "%s: ospf_sock_init is unable to open a socket", | |
444 | __func__); | |
3c0eb8fa PG |
445 | return new; |
446 | } | |
7fd0729f | 447 | |
907a2395 | 448 | event_add_read(master, ospf_read, new, new->fd, &new->t_read); |
3c0eb8fa | 449 | |
5bd78355 IR |
450 | new->oi_running = 1; |
451 | ospf_router_id_update(new); | |
452 | ||
10514170 RW |
453 | /* |
454 | * Read from non-volatile memory whether this instance is performing a | |
455 | * graceful restart or not. | |
456 | */ | |
457 | ospf_gr_nvm_read(new); | |
458 | ||
6f7bbc0c MN |
459 | new->fr_configured = false; |
460 | ||
d62a17ae | 461 | return new; |
718e3744 | 462 | } |
463 | ||
d7c0a89a | 464 | struct ospf *ospf_lookup_instance(unsigned short instance) |
7c8ff89e | 465 | { |
d62a17ae | 466 | struct ospf *ospf; |
467 | struct listnode *node, *nnode; | |
7c8ff89e | 468 | |
d62a17ae | 469 | if (listcount(om->ospf) == 0) |
470 | return NULL; | |
7c8ff89e | 471 | |
d62a17ae | 472 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) |
473 | if ((ospf->instance == 0 && instance == 0) | |
474 | || (ospf->instance && instance | |
475 | && ospf->instance == instance)) | |
476 | return ospf; | |
7c8ff89e | 477 | |
d62a17ae | 478 | return NULL; |
7c8ff89e DS |
479 | } |
480 | ||
d62a17ae | 481 | static int ospf_is_ready(struct ospf *ospf) |
52c62ab8 | 482 | { |
d62a17ae | 483 | /* OSPF must be on and Router-ID must be configured. */ |
975a328e | 484 | if (!ospf || ospf->router_id.s_addr == INADDR_ANY) |
d62a17ae | 485 | return 0; |
486 | ||
487 | return 1; | |
52c62ab8 JAG |
488 | } |
489 | ||
d7c0a89a | 490 | struct ospf *ospf_lookup_by_inst_name(unsigned short instance, const char *name) |
b5a8894d CS |
491 | { |
492 | struct ospf *ospf = NULL; | |
493 | struct listnode *node, *nnode; | |
494 | ||
495 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) { | |
996c9314 LB |
496 | if ((ospf->instance == instance) |
497 | && ((ospf->name == NULL && name == NULL) | |
498 | || (ospf->name && name | |
499 | && strcmp(ospf->name, name) == 0))) | |
b5a8894d CS |
500 | return ospf; |
501 | } | |
502 | return NULL; | |
503 | } | |
504 | ||
409f98ab | 505 | struct ospf *ospf_lookup(unsigned short instance, const char *name) |
c3391da1 IR |
506 | { |
507 | struct ospf *ospf; | |
508 | ||
409f98ab IR |
509 | if (ospf_instance) { |
510 | ospf = ospf_lookup_instance(instance); | |
511 | } else { | |
b5a8894d | 512 | ospf = ospf_lookup_by_inst_name(instance, name); |
d62a17ae | 513 | } |
7c8ff89e | 514 | |
d62a17ae | 515 | return ospf; |
7c8ff89e DS |
516 | } |
517 | ||
409f98ab | 518 | struct ospf *ospf_get(unsigned short instance, const char *name, bool *created) |
7c8ff89e | 519 | { |
d62a17ae | 520 | struct ospf *ospf; |
7c8ff89e | 521 | |
409f98ab IR |
522 | ospf = ospf_lookup(instance, name); |
523 | ||
c572fbfe | 524 | *created = (ospf == NULL); |
5bd78355 | 525 | if (ospf == NULL) |
409f98ab | 526 | ospf = ospf_new(instance, name); |
68980084 | 527 | |
d62a17ae | 528 | return ospf; |
718e3744 | 529 | } |
6b0655a2 | 530 | |
b5a8894d CS |
531 | struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id) |
532 | { | |
533 | struct vrf *vrf = NULL; | |
534 | ||
535 | vrf = vrf_lookup_by_id(vrf_id); | |
536 | if (!vrf) | |
537 | return NULL; | |
538 | return (vrf->info) ? (struct ospf *)vrf->info : NULL; | |
b5a8894d CS |
539 | } |
540 | ||
cbf32f74 IR |
541 | uint32_t ospf_count_area_params(struct ospf *ospf) |
542 | { | |
543 | struct vrf *vrf; | |
544 | struct interface *ifp; | |
545 | uint32_t count = 0; | |
546 | ||
547 | if (ospf->vrf_id != VRF_UNKNOWN) { | |
548 | vrf = vrf_lookup_by_id(ospf->vrf_id); | |
549 | ||
550 | FOR_ALL_INTERFACES (vrf, ifp) { | |
551 | count += ospf_if_count_area_params(ifp); | |
552 | } | |
553 | } | |
554 | ||
555 | return count; | |
556 | } | |
557 | ||
43b8d1d8 CS |
558 | /* It should only be used when processing incoming info update from zebra. |
559 | * Other situations, it is not sufficient to lookup the ospf instance by | |
560 | * vrf_name only without using the instance number. | |
561 | */ | |
562 | static struct ospf *ospf_lookup_by_name(const char *vrf_name) | |
b5a8894d CS |
563 | { |
564 | struct ospf *ospf = NULL; | |
565 | struct listnode *node, *nnode; | |
566 | ||
567 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) | |
43b8d1d8 | 568 | if ((ospf->name == NULL && vrf_name == NULL) |
996c9314 LB |
569 | || (ospf->name && vrf_name |
570 | && strcmp(ospf->name, vrf_name) == 0)) | |
b5a8894d CS |
571 | return ospf; |
572 | return NULL; | |
573 | } | |
574 | ||
c9c93d50 | 575 | /* Handle the second half of deferred shutdown. This is called either |
576 | * from the deferred-shutdown timer thread, or directly through | |
577 | * ospf_deferred_shutdown_check. | |
88d6cf37 | 578 | * |
579 | * Function is to cleanup G-R state, if required then call ospf_finish_final | |
580 | * to complete shutdown of this ospf instance. Possibly exit if the | |
581 | * whole process is being shutdown and this was the last OSPF instance. | |
582 | */ | |
d62a17ae | 583 | static void ospf_deferred_shutdown_finish(struct ospf *ospf) |
584 | { | |
585 | ospf->stub_router_shutdown_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
e16d030c | 586 | EVENT_OFF(ospf->t_deferred_shutdown); |
d62a17ae | 587 | |
588 | ospf_finish_final(ospf); | |
589 | ||
590 | /* *ospf is now invalid */ | |
88d6cf37 | 591 | |
d62a17ae | 592 | /* ospfd being shut-down? If so, was this the last ospf instance? */ |
593 | if (CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN) | |
594 | && (listcount(om->ospf) == 0)) { | |
e15a935c | 595 | frr_fini(); |
d62a17ae | 596 | exit(0); |
597 | } | |
598 | ||
599 | return; | |
88d6cf37 | 600 | } |
601 | ||
602 | /* Timer thread for G-R */ | |
e6685141 | 603 | static void ospf_deferred_shutdown_timer(struct event *t) |
88d6cf37 | 604 | { |
e16d030c | 605 | struct ospf *ospf = EVENT_ARG(t); |
d62a17ae | 606 | |
607 | ospf_deferred_shutdown_finish(ospf); | |
88d6cf37 | 608 | } |
609 | ||
c9c93d50 | 610 | /* Check whether deferred-shutdown must be scheduled, otherwise call |
88d6cf37 | 611 | * down directly into second-half of instance shutdown. |
612 | */ | |
d62a17ae | 613 | static void ospf_deferred_shutdown_check(struct ospf *ospf) |
614 | { | |
615 | unsigned long timeout; | |
616 | struct listnode *ln; | |
617 | struct ospf_area *area; | |
618 | ||
619 | /* deferred shutdown already running? */ | |
620 | if (ospf->t_deferred_shutdown) | |
621 | return; | |
622 | ||
623 | /* Should we try push out max-metric LSAs? */ | |
624 | if (ospf->stub_router_shutdown_time != OSPF_STUB_ROUTER_UNCONFIGURED) { | |
625 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, ln, area)) { | |
626 | SET_FLAG(area->stub_router_state, | |
627 | OSPF_AREA_ADMIN_STUB_ROUTED); | |
628 | ||
629 | if (!CHECK_FLAG(area->stub_router_state, | |
630 | OSPF_AREA_IS_STUB_ROUTED)) | |
631 | ospf_router_lsa_update_area(area); | |
632 | } | |
633 | timeout = ospf->stub_router_shutdown_time; | |
634 | } else { | |
635 | /* No timer needed */ | |
636 | ospf_deferred_shutdown_finish(ospf); | |
637 | return; | |
638 | } | |
639 | ||
640 | OSPF_TIMER_ON(ospf->t_deferred_shutdown, ospf_deferred_shutdown_timer, | |
641 | timeout); | |
642 | return; | |
88d6cf37 | 643 | } |
6b0655a2 | 644 | |
88d6cf37 | 645 | /* Shut down the entire process */ |
d62a17ae | 646 | void ospf_terminate(void) |
647 | { | |
648 | struct ospf *ospf; | |
649 | struct listnode *node, *nnode; | |
650 | ||
651 | /* shutdown already in progress */ | |
652 | if (CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN)) | |
653 | return; | |
654 | ||
655 | SET_FLAG(om->options, OSPF_MASTER_SHUTDOWN); | |
656 | ||
41b21bfa | 657 | /* Skip some steps if OSPF not actually running */ |
d62a17ae | 658 | if (listcount(om->ospf) == 0) |
41b21bfa | 659 | goto done; |
d62a17ae | 660 | |
d62a17ae | 661 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) |
662 | ospf_finish(ospf); | |
663 | ||
51f8588e RW |
664 | /* Cleanup GR */ |
665 | ospf_gr_helper_stop(); | |
666 | ||
ded42248 | 667 | /* Cleanup route maps */ |
ded42248 CS |
668 | route_map_finish(); |
669 | ||
670 | /* reverse prefix_list_init */ | |
671 | prefix_list_add_hook(NULL); | |
672 | prefix_list_delete_hook(NULL); | |
673 | prefix_list_reset(); | |
674 | ||
675 | /* Cleanup vrf info */ | |
676 | ospf_vrf_terminate(); | |
677 | ||
d62a17ae | 678 | /* Deliberately go back up, hopefully to thread scheduler, as |
679 | * One or more ospf_finish()'s may have deferred shutdown to a timer | |
680 | * thread | |
681 | */ | |
682 | zclient_stop(zclient); | |
683 | zclient_free(zclient); | |
8879bd22 | 684 | |
41b21bfa | 685 | done: |
8879bd22 | 686 | frr_fini(); |
d62a17ae | 687 | } |
688 | ||
689 | void ospf_finish(struct ospf *ospf) | |
690 | { | |
691 | /* let deferred shutdown decide */ | |
692 | ospf_deferred_shutdown_check(ospf); | |
693 | ||
694 | /* if ospf_deferred_shutdown returns, then ospf_finish_final is | |
695 | * deferred to expiry of G-S timer thread. Return back up, hopefully | |
696 | * to thread scheduler. | |
697 | */ | |
698 | return; | |
88d6cf37 | 699 | } |
700 | ||
701 | /* Final cleanup of ospf instance */ | |
d62a17ae | 702 | static void ospf_finish_final(struct ospf *ospf) |
718e3744 | 703 | { |
1113a2fb | 704 | struct vrf *vrf = vrf_lookup_by_id(ospf->vrf_id); |
d62a17ae | 705 | struct route_node *rn; |
706 | struct ospf_nbr_nbma *nbr_nbma; | |
707 | struct ospf_lsa *lsa; | |
d62a17ae | 708 | struct ospf_interface *oi; |
709 | struct ospf_area *area; | |
710 | struct ospf_vl_data *vl_data; | |
711 | struct listnode *node, *nnode; | |
ca187fd3 | 712 | struct ospf_redist *red; |
d62a17ae | 713 | int i; |
7c8ff89e | 714 | |
d62a17ae | 715 | QOBJ_UNREG(ospf); |
7c8ff89e | 716 | |
d62a17ae | 717 | ospf_opaque_type11_lsa_term(ospf); |
953cde65 | 718 | |
bcf4475e OD |
719 | ospf_opaque_finish(); |
720 | ||
10514170 RW |
721 | if (!ospf->gr_info.prepare_in_progress) |
722 | ospf_flush_self_originated_lsas_now(ospf); | |
ab749e7e | 723 | XFREE(MTYPE_TMP, ospf->gr_info.exit_reason); |
953cde65 | 724 | |
d62a17ae | 725 | /* Unregister redistribution */ |
726 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
727 | struct list *red_list; | |
718e3744 | 728 | |
d62a17ae | 729 | red_list = ospf->redist[i]; |
730 | if (!red_list) | |
731 | continue; | |
718e3744 | 732 | |
1d753551 | 733 | for (ALL_LIST_ELEMENTS(red_list, node, nnode, red)) { |
d62a17ae | 734 | ospf_redistribute_unset(ospf, i, red->instance); |
1d753551 DS |
735 | ospf_redist_del(ospf, i, red->instance); |
736 | } | |
d62a17ae | 737 | } |
ca187fd3 IR |
738 | red = ospf_redist_lookup(ospf, DEFAULT_ROUTE, 0); |
739 | if (red) { | |
740 | ospf_routemap_unset(red); | |
741 | ospf_redist_del(ospf, DEFAULT_ROUTE, 0); | |
742 | ospf_redistribute_default_set(ospf, DEFAULT_ORIGINATE_NONE, 0, 0); | |
743 | } | |
718e3744 | 744 | |
d62a17ae | 745 | for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) |
746 | ospf_remove_vls_through_area(ospf, area); | |
718e3744 | 747 | |
d62a17ae | 748 | for (ALL_LIST_ELEMENTS(ospf->vlinks, node, nnode, vl_data)) |
749 | ospf_vl_delete(ospf, vl_data); | |
718e3744 | 750 | |
6a154c88 | 751 | list_delete(&ospf->vlinks); |
718e3744 | 752 | |
132a782e | 753 | /* shutdown LDP-Sync */ |
754 | if (ospf->vrf_id == VRF_DEFAULT) | |
755 | ospf_ldp_sync_gbl_exit(ospf, true); | |
756 | ||
d62a17ae | 757 | /* Reset interface. */ |
758 | for (ALL_LIST_ELEMENTS(ospf->oiflist, node, nnode, oi)) | |
759 | ospf_if_free(oi); | |
6a154c88 | 760 | list_delete(&ospf->oiflist); |
c32eba04 | 761 | ospf->oi_running = 0; |
718e3744 | 762 | |
b5a8894d CS |
763 | /* De-Register VRF */ |
764 | ospf_zebra_vrf_deregister(ospf); | |
765 | ||
d62a17ae | 766 | /* Clear static neighbors */ |
767 | for (rn = route_top(ospf->nbr_nbma); rn; rn = route_next(rn)) | |
768 | if ((nbr_nbma = rn->info)) { | |
e16d030c | 769 | EVENT_OFF(nbr_nbma->t_poll); |
718e3744 | 770 | |
d62a17ae | 771 | if (nbr_nbma->nbr) { |
772 | nbr_nbma->nbr->nbr_nbma = NULL; | |
773 | nbr_nbma->nbr = NULL; | |
774 | } | |
775 | ||
776 | if (nbr_nbma->oi) { | |
777 | listnode_delete(nbr_nbma->oi->nbr_nbma, | |
778 | nbr_nbma); | |
779 | nbr_nbma->oi = NULL; | |
780 | } | |
781 | ||
782 | XFREE(MTYPE_OSPF_NEIGHBOR_STATIC, nbr_nbma); | |
783 | } | |
784 | ||
785 | route_table_finish(ospf->nbr_nbma); | |
786 | ||
787 | /* Clear networks and Areas. */ | |
788 | for (rn = route_top(ospf->networks); rn; rn = route_next(rn)) { | |
789 | struct ospf_network *network; | |
790 | ||
791 | if ((network = rn->info) != NULL) { | |
792 | ospf_network_free(ospf, network); | |
793 | rn->info = NULL; | |
794 | route_unlock_node(rn); | |
795 | } | |
91e6a0e5 | 796 | } |
7f586094 | 797 | route_table_finish(ospf->networks); |
718e3744 | 798 | |
d62a17ae | 799 | for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) { |
800 | listnode_delete(ospf->areas, area); | |
801 | ospf_area_free(area); | |
802 | } | |
718e3744 | 803 | |
d62a17ae | 804 | /* Cancel all timers. */ |
e16d030c DS |
805 | EVENT_OFF(ospf->t_read); |
806 | EVENT_OFF(ospf->t_write); | |
807 | EVENT_OFF(ospf->t_spf_calc); | |
808 | EVENT_OFF(ospf->t_ase_calc); | |
809 | EVENT_OFF(ospf->t_maxage); | |
810 | EVENT_OFF(ospf->t_maxage_walker); | |
811 | EVENT_OFF(ospf->t_abr_task); | |
812 | EVENT_OFF(ospf->t_abr_fr); | |
813 | EVENT_OFF(ospf->t_asbr_check); | |
814 | EVENT_OFF(ospf->t_asbr_nssa_redist_update); | |
815 | EVENT_OFF(ospf->t_distribute_update); | |
816 | EVENT_OFF(ospf->t_lsa_refresher); | |
817 | EVENT_OFF(ospf->t_opaque_lsa_self); | |
818 | EVENT_OFF(ospf->t_sr_update); | |
819 | EVENT_OFF(ospf->t_default_routemap_timer); | |
820 | EVENT_OFF(ospf->t_external_aggr); | |
821 | EVENT_OFF(ospf->gr_info.t_grace_period); | |
d62a17ae | 822 | |
996c9314 | 823 | LSDB_LOOP (OPAQUE_AS_LSDB(ospf), rn, lsa) |
044506e7 | 824 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); |
996c9314 | 825 | LSDB_LOOP (EXTERNAL_LSDB(ospf), rn, lsa) |
044506e7 | 826 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); |
d62a17ae | 827 | |
828 | ospf_lsdb_delete_all(ospf->lsdb); | |
829 | ospf_lsdb_free(ospf->lsdb); | |
830 | ||
831 | for (rn = route_top(ospf->maxage_lsa); rn; rn = route_next(rn)) { | |
d62a17ae | 832 | if ((lsa = rn->info) != NULL) { |
833 | ospf_lsa_unlock(&lsa); | |
834 | rn->info = NULL; | |
69843e81 | 835 | route_unlock_node(rn); |
d62a17ae | 836 | } |
d62a17ae | 837 | } |
838 | route_table_finish(ospf->maxage_lsa); | |
839 | ||
840 | if (ospf->old_table) | |
841 | ospf_route_table_free(ospf->old_table); | |
842 | if (ospf->new_table) { | |
10514170 RW |
843 | if (!ospf->gr_info.prepare_in_progress) |
844 | ospf_route_delete(ospf, ospf->new_table); | |
d62a17ae | 845 | ospf_route_table_free(ospf->new_table); |
846 | } | |
9bf19426 RZ |
847 | if (ospf->oall_rtrs) |
848 | ospf_rtrs_free(ospf->oall_rtrs); | |
849 | if (ospf->all_rtrs) | |
850 | ospf_rtrs_free(ospf->all_rtrs); | |
d62a17ae | 851 | if (ospf->old_rtrs) |
852 | ospf_rtrs_free(ospf->old_rtrs); | |
853 | if (ospf->new_rtrs) | |
854 | ospf_rtrs_free(ospf->new_rtrs); | |
855 | if (ospf->new_external_route) { | |
10514170 RW |
856 | if (!ospf->gr_info.prepare_in_progress) |
857 | ospf_route_delete(ospf, ospf->new_external_route); | |
d62a17ae | 858 | ospf_route_table_free(ospf->new_external_route); |
859 | } | |
860 | if (ospf->old_external_route) { | |
10514170 RW |
861 | if (!ospf->gr_info.prepare_in_progress) |
862 | ospf_route_delete(ospf, ospf->old_external_route); | |
d62a17ae | 863 | ospf_route_table_free(ospf->old_external_route); |
864 | } | |
865 | if (ospf->external_lsas) { | |
866 | ospf_ase_external_lsas_finish(ospf->external_lsas); | |
867 | } | |
718e3744 | 868 | |
d62a17ae | 869 | for (i = ZEBRA_ROUTE_SYSTEM; i <= ZEBRA_ROUTE_MAX; i++) { |
870 | struct list *ext_list; | |
d62a17ae | 871 | struct ospf_external *ext; |
872 | ||
de1ac5fd | 873 | ext_list = ospf->external[i]; |
d62a17ae | 874 | if (!ext_list) |
875 | continue; | |
876 | ||
76fdc7f4 | 877 | for (ALL_LIST_ELEMENTS(ext_list, node, nnode, ext)) { |
d62a17ae | 878 | if (ext->external_info) |
879 | for (rn = route_top(ext->external_info); rn; | |
880 | rn = route_next(rn)) { | |
881 | if (rn->info == NULL) | |
882 | continue; | |
883 | ||
884 | XFREE(MTYPE_OSPF_EXTERNAL_INFO, | |
885 | rn->info); | |
886 | rn->info = NULL; | |
887 | route_unlock_node(rn); | |
888 | } | |
1d753551 DS |
889 | |
890 | ospf_external_del(ospf, i, ext->instance); | |
d62a17ae | 891 | } |
892 | } | |
718e3744 | 893 | |
d62a17ae | 894 | ospf_distance_reset(ospf); |
895 | route_table_finish(ospf->distance_table); | |
7c8ff89e | 896 | |
ad7222b7 | 897 | /* Release extrenal Aggregator table */ |
898 | for (rn = route_top(ospf->rt_aggr_tbl); rn; rn = route_next(rn)) { | |
899 | struct ospf_external_aggr_rt *aggr; | |
900 | ||
901 | aggr = rn->info; | |
902 | ||
903 | if (aggr) { | |
904 | ospf_external_aggregator_free(aggr); | |
905 | rn->info = NULL; | |
906 | route_unlock_node(rn); | |
907 | } | |
908 | } | |
909 | ||
910 | route_table_finish(ospf->rt_aggr_tbl); | |
911 | ||
912 | ||
594f80c8 | 913 | ospf_free_refresh_queue(ospf); |
914 | ||
c32eba04 CS |
915 | list_delete(&ospf->areas); |
916 | list_delete(&ospf->oi_write_q); | |
917 | ||
06bc3110 | 918 | /* Reset GR helper data structers */ |
51f8588e | 919 | ospf_gr_helper_instance_stop(ospf); |
06bc3110 | 920 | |
c32eba04 CS |
921 | close(ospf->fd); |
922 | stream_free(ospf->ibuf); | |
923 | ospf->fd = -1; | |
3d5b9855 | 924 | ospf->max_multipath = MULTIPATH_NUM; |
d62a17ae | 925 | ospf_delete(ospf); |
7c8ff89e | 926 | |
1113a2fb | 927 | if (vrf) |
928 | ospf_vrf_unlink(ospf, vrf); | |
b5a8894d | 929 | |
ac2cb9bf | 930 | XFREE(MTYPE_OSPF_TOP, ospf->name); |
d62a17ae | 931 | XFREE(MTYPE_OSPF_TOP, ospf); |
718e3744 | 932 | } |
933 | ||
6b0655a2 | 934 | |
718e3744 | 935 | /* allocate new OSPF Area object */ |
7fd0729f | 936 | struct ospf_area *ospf_area_new(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 937 | { |
d62a17ae | 938 | struct ospf_area *new; |
718e3744 | 939 | |
d62a17ae | 940 | /* Allocate new config_network. */ |
941 | new = XCALLOC(MTYPE_OSPF_AREA, sizeof(struct ospf_area)); | |
718e3744 | 942 | |
d62a17ae | 943 | new->ospf = ospf; |
718e3744 | 944 | |
d62a17ae | 945 | new->area_id = area_id; |
946 | new->area_id_fmt = OSPF_AREA_ID_FMT_DOTTEDQUAD; | |
718e3744 | 947 | |
d62a17ae | 948 | new->external_routing = OSPF_AREA_DEFAULT; |
949 | new->default_cost = 1; | |
950 | new->auth_type = OSPF_AUTH_NULL; | |
718e3744 | 951 | |
d62a17ae | 952 | /* New LSDB init. */ |
953 | new->lsdb = ospf_lsdb_new(); | |
718e3744 | 954 | |
d62a17ae | 955 | /* Self-originated LSAs initialize. */ |
956 | new->router_lsa_self = NULL; | |
718e3744 | 957 | |
6f7bbc0c MN |
958 | /* Initialize FR field */ |
959 | new->fr_info.enabled = false; | |
960 | new->fr_info.configured = false; | |
961 | new->fr_info.state_changed = false; | |
962 | new->fr_info.router_lsas_recv_dc_bit = 0; | |
963 | new->fr_info.indication_lsa_self = NULL; | |
964 | new->fr_info.area_ind_lsa_recvd = false; | |
965 | new->fr_info.area_dc_clear = false; | |
966 | ||
d62a17ae | 967 | ospf_opaque_type10_lsa_init(new); |
718e3744 | 968 | |
d62a17ae | 969 | new->oiflist = list_new(); |
970 | new->ranges = route_table_init(); | |
f07ff222 | 971 | new->nssa_ranges = route_table_init(); |
718e3744 | 972 | |
d62a17ae | 973 | if (area_id.s_addr == OSPF_AREA_BACKBONE) |
974 | ospf->backbone = new; | |
975 | ||
976 | return new; | |
718e3744 | 977 | } |
978 | ||
f91ce319 | 979 | void ospf_area_lsdb_discard_delete(struct ospf_area *area) |
718e3744 | 980 | { |
d62a17ae | 981 | struct route_node *rn; |
982 | struct ospf_lsa *lsa; | |
983 | ||
996c9314 | 984 | LSDB_LOOP (ROUTER_LSDB(area), rn, lsa) |
044506e7 | 985 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
996c9314 | 986 | LSDB_LOOP (NETWORK_LSDB(area), rn, lsa) |
044506e7 | 987 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
996c9314 | 988 | LSDB_LOOP (SUMMARY_LSDB(area), rn, lsa) |
044506e7 | 989 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
996c9314 | 990 | LSDB_LOOP (ASBR_SUMMARY_LSDB(area), rn, lsa) |
044506e7 | 991 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
68980084 | 992 | |
996c9314 | 993 | LSDB_LOOP (NSSA_LSDB(area), rn, lsa) |
044506e7 | 994 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
996c9314 | 995 | LSDB_LOOP (OPAQUE_AREA_LSDB(area), rn, lsa) |
044506e7 | 996 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
996c9314 | 997 | LSDB_LOOP (OPAQUE_LINK_LSDB(area), rn, lsa) |
044506e7 | 998 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); |
718e3744 | 999 | |
d62a17ae | 1000 | ospf_lsdb_delete_all(area->lsdb); |
f91ce319 MR |
1001 | } |
1002 | ||
1003 | static void ospf_area_free(struct ospf_area *area) | |
1004 | { | |
1005 | ospf_opaque_type10_lsa_term(area); | |
1006 | ||
1007 | /* Free LSDBs. */ | |
1008 | ospf_area_lsdb_discard_delete(area); | |
1009 | ||
d62a17ae | 1010 | ospf_lsdb_free(area->lsdb); |
718e3744 | 1011 | |
d62a17ae | 1012 | ospf_lsa_unlock(&area->router_lsa_self); |
718e3744 | 1013 | |
d62a17ae | 1014 | route_table_finish(area->ranges); |
f07ff222 | 1015 | route_table_finish(area->nssa_ranges); |
6a154c88 | 1016 | list_delete(&area->oiflist); |
718e3744 | 1017 | |
d62a17ae | 1018 | if (EXPORT_NAME(area)) |
1019 | free(EXPORT_NAME(area)); | |
718e3744 | 1020 | |
d62a17ae | 1021 | if (IMPORT_NAME(area)) |
1022 | free(IMPORT_NAME(area)); | |
718e3744 | 1023 | |
d62a17ae | 1024 | /* Cancel timer. */ |
e16d030c DS |
1025 | EVENT_OFF(area->t_stub_router); |
1026 | EVENT_OFF(area->t_opaque_lsa_self); | |
718e3744 | 1027 | |
d62a17ae | 1028 | if (OSPF_IS_AREA_BACKBONE(area)) |
1029 | area->ospf->backbone = NULL; | |
1030 | ||
1031 | XFREE(MTYPE_OSPF_AREA, area); | |
718e3744 | 1032 | } |
1033 | ||
d62a17ae | 1034 | void ospf_area_check_free(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1035 | { |
d62a17ae | 1036 | struct ospf_area *area; |
718e3744 | 1037 | |
d62a17ae | 1038 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
f07ff222 RW |
1039 | if (area && listcount(area->oiflist) == 0 && |
1040 | area->ranges->top == NULL && area->nssa_ranges->top == NULL && | |
1041 | !ospf_vl_count(ospf, area) && | |
1042 | area->shortcut_configured == OSPF_SHORTCUT_DEFAULT && | |
1043 | area->external_routing == OSPF_AREA_DEFAULT && | |
1044 | area->no_summary == 0 && area->default_cost == 1 && | |
1045 | EXPORT_NAME(area) == NULL && IMPORT_NAME(area) == NULL && | |
1046 | area->auth_type == OSPF_AUTH_NULL) { | |
d62a17ae | 1047 | listnode_delete(ospf->areas, area); |
1048 | ospf_area_free(area); | |
1049 | } | |
718e3744 | 1050 | } |
1051 | ||
d62a17ae | 1052 | struct ospf_area *ospf_area_get(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1053 | { |
d62a17ae | 1054 | struct ospf_area *area; |
1055 | ||
1056 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
1057 | if (!area) { | |
1058 | area = ospf_area_new(ospf, area_id); | |
1059 | listnode_add_sort(ospf->areas, area); | |
1060 | ospf_check_abr_status(ospf); | |
1061 | if (ospf->stub_router_admin_set | |
1062 | == OSPF_STUB_ROUTER_ADMINISTRATIVE_SET) { | |
1063 | SET_FLAG(area->stub_router_state, | |
1064 | OSPF_AREA_ADMIN_STUB_ROUTED); | |
1065 | } | |
1066 | } | |
718e3744 | 1067 | |
d62a17ae | 1068 | return area; |
718e3744 | 1069 | } |
1070 | ||
d62a17ae | 1071 | struct ospf_area *ospf_area_lookup_by_area_id(struct ospf *ospf, |
1072 | struct in_addr area_id) | |
718e3744 | 1073 | { |
d62a17ae | 1074 | struct ospf_area *area; |
1075 | struct listnode *node; | |
718e3744 | 1076 | |
d62a17ae | 1077 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) |
1078 | if (IPV4_ADDR_SAME(&area->area_id, &area_id)) | |
1079 | return area; | |
718e3744 | 1080 | |
d62a17ae | 1081 | return NULL; |
718e3744 | 1082 | } |
1083 | ||
d62a17ae | 1084 | void ospf_area_add_if(struct ospf_area *area, struct ospf_interface *oi) |
718e3744 | 1085 | { |
d62a17ae | 1086 | listnode_add(area->oiflist, oi); |
718e3744 | 1087 | } |
1088 | ||
d62a17ae | 1089 | void ospf_area_del_if(struct ospf_area *area, struct ospf_interface *oi) |
718e3744 | 1090 | { |
d62a17ae | 1091 | listnode_delete(area->oiflist, oi); |
718e3744 | 1092 | } |
1093 | ||
52c62ab8 | 1094 | |
7fd0729f G |
1095 | struct ospf_interface *add_ospf_interface(struct connected *co, |
1096 | struct ospf_area *area) | |
953cde65 | 1097 | { |
d62a17ae | 1098 | struct ospf_interface *oi; |
953cde65 | 1099 | |
d62a17ae | 1100 | oi = ospf_if_new(area->ospf, co->ifp, co->address); |
1101 | oi->connected = co; | |
953cde65 | 1102 | |
d62a17ae | 1103 | oi->area = area; |
953cde65 | 1104 | |
d62a17ae | 1105 | oi->params = ospf_lookup_if_params(co->ifp, oi->address->u.prefix4); |
1106 | oi->output_cost = ospf_if_get_output_cost(oi); | |
953cde65 | 1107 | |
d62a17ae | 1108 | /* Relate ospf interface to ospf instance. */ |
1109 | oi->ospf = area->ospf; | |
953cde65 | 1110 | |
d62a17ae | 1111 | /* update network type as interface flag */ |
1112 | /* If network type is specified previously, | |
1113 | skip network type setting. */ | |
1114 | oi->type = IF_DEF_PARAMS(co->ifp)->type; | |
bc97889b | 1115 | oi->ptp_dmvpn = IF_DEF_PARAMS(co->ifp)->ptp_dmvpn; |
953cde65 | 1116 | |
d62a17ae | 1117 | /* Add pseudo neighbor. */ |
1118 | ospf_nbr_self_reset(oi, oi->ospf->router_id); | |
953cde65 | 1119 | |
d62a17ae | 1120 | ospf_area_add_if(oi->area, oi); |
52c62ab8 | 1121 | |
132a782e | 1122 | /* if LDP-IGP Sync is configured globally inherit config */ |
1123 | ospf_ldp_sync_if_init(oi); | |
1124 | ||
d62a17ae | 1125 | /* |
1461559c | 1126 | * if router_id is not configured, don't bring up |
d62a17ae | 1127 | * interfaces. |
1128 | * ospf_router_id_update() will call ospf_if_update | |
1129 | * whenever r-id is configured instead. | |
1130 | */ | |
975a328e DA |
1131 | if ((area->ospf->router_id.s_addr != INADDR_ANY) |
1132 | && if_is_operative(co->ifp)) | |
d62a17ae | 1133 | ospf_if_up(oi); |
7fd0729f | 1134 | |
ab749e7e RW |
1135 | /* |
1136 | * RFC 3623 - Section 5 ("Unplanned Outages"): | |
1137 | * "The grace-LSAs are encapsulated in Link State Update Packets | |
1138 | * and sent out to all interfaces, even though the restarted | |
1139 | * router has no adjacencies and no knowledge of previous | |
1140 | * adjacencies". | |
1141 | */ | |
1142 | if (oi->ospf->gr_info.restart_in_progress && | |
1143 | oi->ospf->gr_info.reason == OSPF_GR_UNKNOWN_RESTART) | |
1144 | ospf_gr_unplanned_start_interface(oi); | |
1145 | ||
7fd0729f | 1146 | return oi; |
953cde65 JT |
1147 | } |
1148 | ||
1149 | static void update_redistributed(struct ospf *ospf, int add_to_ospf) | |
1150 | { | |
d62a17ae | 1151 | struct route_node *rn; |
1152 | struct external_info *ei; | |
1153 | struct ospf_external *ext; | |
1154 | ||
de1ac5fd CS |
1155 | if (ospf_is_type_redistributed(ospf, ZEBRA_ROUTE_CONNECT, 0)) { |
1156 | ext = ospf_external_lookup(ospf, ZEBRA_ROUTE_CONNECT, 0); | |
1157 | if ((ext) && EXTERNAL_INFO(ext)) { | |
d62a17ae | 1158 | for (rn = route_top(EXTERNAL_INFO(ext)); rn; |
1159 | rn = route_next(rn)) { | |
de1ac5fd CS |
1160 | ei = rn->info; |
1161 | if (ei == NULL) | |
1162 | continue; | |
1163 | ||
1164 | if (add_to_ospf) { | |
996c9314 LB |
1165 | if (ospf_external_info_find_lsa(ospf, |
1166 | &ei->p)) | |
e474c143 MR |
1167 | if (!ospf_redistribute_check( |
1168 | ospf, ei, NULL)) | |
de1ac5fd | 1169 | ospf_external_lsa_flush( |
996c9314 | 1170 | ospf, ei->type, |
de1ac5fd CS |
1171 | &ei->p, |
1172 | ei->ifindex /*, ei->nexthop */); | |
1173 | } else { | |
1174 | if (!ospf_external_info_find_lsa( | |
1175 | ospf, &ei->p)) | |
e474c143 MR |
1176 | if (ospf_redistribute_check( |
1177 | ospf, ei, NULL)) | |
de1ac5fd | 1178 | ospf_external_lsa_originate( |
996c9314 | 1179 | ospf, ei); |
d62a17ae | 1180 | } |
1181 | } | |
1182 | } | |
de1ac5fd | 1183 | } |
953cde65 JT |
1184 | } |
1185 | ||
718e3744 | 1186 | /* Config network statement related functions. */ |
d62a17ae | 1187 | static struct ospf_network *ospf_network_new(struct in_addr area_id) |
718e3744 | 1188 | { |
d62a17ae | 1189 | struct ospf_network *new; |
1190 | new = XCALLOC(MTYPE_OSPF_NETWORK, sizeof(struct ospf_network)); | |
718e3744 | 1191 | |
d62a17ae | 1192 | new->area_id = area_id; |
1193 | new->area_id_fmt = OSPF_AREA_ID_FMT_DOTTEDQUAD; | |
1194 | ||
1195 | return new; | |
718e3744 | 1196 | } |
1197 | ||
d62a17ae | 1198 | static void ospf_network_free(struct ospf *ospf, struct ospf_network *network) |
718e3744 | 1199 | { |
d62a17ae | 1200 | ospf_area_check_free(ospf, network->area_id); |
1201 | ospf_schedule_abr_task(ospf); | |
1202 | XFREE(MTYPE_OSPF_NETWORK, network); | |
718e3744 | 1203 | } |
1204 | ||
d62a17ae | 1205 | int ospf_network_set(struct ospf *ospf, struct prefix_ipv4 *p, |
1206 | struct in_addr area_id, int df) | |
718e3744 | 1207 | { |
d62a17ae | 1208 | struct ospf_network *network; |
1209 | struct ospf_area *area; | |
1210 | struct route_node *rn; | |
718e3744 | 1211 | |
d62a17ae | 1212 | rn = route_node_get(ospf->networks, (struct prefix *)p); |
1213 | if (rn->info) { | |
2b0a905a | 1214 | network = rn->info; |
d62a17ae | 1215 | route_unlock_node(rn); |
2b0a905a DW |
1216 | |
1217 | if (IPV4_ADDR_SAME(&area_id, &network->area_id)) { | |
1218 | return 1; | |
1219 | } else { | |
1220 | /* There is already same network statement. */ | |
1221 | return 0; | |
1222 | } | |
d62a17ae | 1223 | } |
718e3744 | 1224 | |
d62a17ae | 1225 | rn->info = network = ospf_network_new(area_id); |
1226 | network->area_id_fmt = df; | |
1227 | area = ospf_area_get(ospf, area_id); | |
1228 | ospf_area_display_format_set(ospf, area, df); | |
718e3744 | 1229 | |
d62a17ae | 1230 | /* Run network config now. */ |
1231 | ospf_network_run((struct prefix *)p, area); | |
718e3744 | 1232 | |
d62a17ae | 1233 | /* Update connected redistribute. */ |
1234 | update_redistributed(ospf, 1); /* interfaces possibly added */ | |
718e3744 | 1235 | |
d62a17ae | 1236 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1237 | |
d62a17ae | 1238 | return 1; |
718e3744 | 1239 | } |
1240 | ||
d62a17ae | 1241 | int ospf_network_unset(struct ospf *ospf, struct prefix_ipv4 *p, |
1242 | struct in_addr area_id) | |
718e3744 | 1243 | { |
d62a17ae | 1244 | struct route_node *rn; |
1245 | struct ospf_network *network; | |
1246 | struct listnode *node, *nnode; | |
1247 | struct ospf_interface *oi; | |
718e3744 | 1248 | |
d62a17ae | 1249 | rn = route_node_lookup(ospf->networks, (struct prefix *)p); |
1250 | if (rn == NULL) | |
1251 | return 0; | |
718e3744 | 1252 | |
d62a17ae | 1253 | network = rn->info; |
1254 | route_unlock_node(rn); | |
1255 | if (!IPV4_ADDR_SAME(&area_id, &network->area_id)) | |
1256 | return 0; | |
718e3744 | 1257 | |
d62a17ae | 1258 | ospf_network_free(ospf, rn->info); |
1259 | rn->info = NULL; | |
1260 | route_unlock_node(rn); /* initial reference */ | |
718e3744 | 1261 | |
30c0daa4 | 1262 | /* Find interfaces that are not configured already. */ |
d62a17ae | 1263 | for (ALL_LIST_ELEMENTS(ospf->oiflist, node, nnode, oi)) { |
30c0daa4 | 1264 | |
996c9314 LB |
1265 | if (oi->type == OSPF_IFTYPE_VIRTUALLINK) |
1266 | continue; | |
30c0daa4 | 1267 | |
996c9314 | 1268 | ospf_network_run_subnet(ospf, oi->connected, NULL, NULL); |
d62a17ae | 1269 | } |
953cde65 | 1270 | |
d62a17ae | 1271 | /* Update connected redistribute. */ |
1272 | update_redistributed(ospf, 0); /* interfaces possibly removed */ | |
1273 | ospf_area_check_free(ospf, area_id); | |
1274 | ||
1275 | return 1; | |
953cde65 JT |
1276 | } |
1277 | ||
52c62ab8 JAG |
1278 | /* Ensure there's an OSPF instance, as "ip ospf area" enabled OSPF means |
1279 | * there might not be any 'router ospf' config. | |
1280 | * | |
1281 | * Otherwise, doesn't do anything different to ospf_if_update for now | |
1282 | */ | |
b5a8894d | 1283 | void ospf_interface_area_set(struct ospf *ospf, struct interface *ifp) |
953cde65 | 1284 | { |
b5a8894d CS |
1285 | if (!ospf) |
1286 | return; | |
d62a17ae | 1287 | |
1288 | ospf_if_update(ospf, ifp); | |
1289 | /* if_update does a update_redistributed */ | |
1290 | ||
1291 | return; | |
953cde65 JT |
1292 | } |
1293 | ||
b5a8894d | 1294 | void ospf_interface_area_unset(struct ospf *ospf, struct interface *ifp) |
953cde65 | 1295 | { |
d62a17ae | 1296 | struct route_node *rn_oi; |
953cde65 | 1297 | |
d62a17ae | 1298 | if (!ospf) |
1299 | return; /* Ospf not ready yet */ | |
953cde65 | 1300 | |
d62a17ae | 1301 | /* Find interfaces that may need to be removed. */ |
1302 | for (rn_oi = route_top(IF_OIFS(ifp)); rn_oi; | |
1303 | rn_oi = route_next(rn_oi)) { | |
b5a8894d | 1304 | struct ospf_interface *oi = NULL; |
d62a17ae | 1305 | |
1306 | if ((oi = rn_oi->info) == NULL) | |
1307 | continue; | |
1308 | ||
1309 | if (oi->type == OSPF_IFTYPE_VIRTUALLINK) | |
1310 | continue; | |
1311 | ||
1312 | ospf_network_run_subnet(ospf, oi->connected, NULL, NULL); | |
1313 | } | |
953cde65 | 1314 | |
d62a17ae | 1315 | /* Update connected redistribute. */ |
1316 | update_redistributed(ospf, 0); /* interfaces possibly removed */ | |
718e3744 | 1317 | } |
1318 | ||
570f7598 | 1319 | /* Check whether interface matches given network |
1320 | * returns: 1, true. 0, false | |
1321 | */ | |
d62a17ae | 1322 | static int ospf_network_match_iface(const struct connected *co, |
1323 | const struct prefix *net) | |
570f7598 | 1324 | { |
d62a17ae | 1325 | /* new approach: more elegant and conceptually clean */ |
1326 | return prefix_match_network_statement(net, CONNECTED_PREFIX(co)); | |
570f7598 | 1327 | } |
1328 | ||
d62a17ae | 1329 | static void ospf_update_interface_area(struct connected *co, |
1330 | struct ospf_area *area) | |
52c62ab8 | 1331 | { |
d62a17ae | 1332 | struct ospf_interface *oi = ospf_if_table_lookup(co->ifp, co->address); |
1333 | ||
1334 | /* nothing to be done case */ | |
1335 | if (oi && oi->area == area) { | |
1336 | return; | |
1337 | } | |
1338 | ||
1339 | if (oi) | |
1340 | ospf_if_free(oi); | |
1341 | ||
1342 | add_ospf_interface(co, area); | |
52c62ab8 JAG |
1343 | } |
1344 | ||
1345 | /* Run OSPF for the given subnet, taking into account the following | |
1346 | * possible sources of area configuration, in the given order of preference: | |
1347 | * | |
1348 | * - Whether there is interface+address specific area configuration | |
1349 | * - Whether there is a default area for the interface | |
1350 | * - Whether there is an area given as a parameter. | |
1351 | * - If no specific network prefix/area is supplied, whether there's | |
1352 | * a matching network configured. | |
1353 | */ | |
d62a17ae | 1354 | static void ospf_network_run_subnet(struct ospf *ospf, struct connected *co, |
1355 | struct prefix *p, | |
1356 | struct ospf_area *given_area) | |
1357 | { | |
1358 | struct ospf_interface *oi; | |
1359 | struct ospf_if_params *params; | |
1360 | struct ospf_area *area = NULL; | |
1361 | struct route_node *rn; | |
1362 | int configed = 0; | |
1363 | ||
1364 | if (CHECK_FLAG(co->flags, ZEBRA_IFA_SECONDARY)) | |
1365 | return; | |
1366 | ||
1367 | if (co->address->family != AF_INET) | |
1368 | return; | |
1369 | ||
1370 | /* Try determine the appropriate area for this interface + address | |
1371 | * Start by checking interface config | |
1372 | */ | |
1373 | params = ospf_lookup_if_params(co->ifp, co->address->u.prefix4); | |
1374 | if (params && OSPF_IF_PARAM_CONFIGURED(params, if_area)) | |
1375 | area = ospf_area_get(ospf, params->if_area); | |
1376 | else { | |
1377 | params = IF_DEF_PARAMS(co->ifp); | |
1378 | if (OSPF_IF_PARAM_CONFIGURED(params, if_area)) | |
1379 | area = ospf_area_get(ospf, params->if_area); | |
1380 | } | |
52c62ab8 | 1381 | |
d62a17ae | 1382 | /* If we've found an interface and/or addr specific area, then we're |
1383 | * done | |
1384 | */ | |
1385 | if (area) { | |
1386 | ospf_update_interface_area(co, area); | |
1387 | return; | |
1388 | } | |
718e3744 | 1389 | |
d62a17ae | 1390 | /* Otherwise, only remaining possibility is a matching network statement |
1391 | */ | |
1392 | if (p) { | |
1393 | assert(given_area != NULL); | |
1394 | ||
1395 | /* Which either was supplied as a parameter.. (e.g. cause a new | |
1396 | * network/area was just added).. | |
1397 | */ | |
1398 | if (p->family == co->address->family | |
1399 | && ospf_network_match_iface(co, p)) | |
1400 | ospf_update_interface_area(co, given_area); | |
1401 | ||
1402 | return; | |
1403 | } | |
1404 | ||
1405 | /* Else we have to search the existing network/area config to see | |
1406 | * if any match.. | |
1407 | */ | |
1408 | for (rn = route_top(ospf->networks); rn; rn = route_next(rn)) | |
1409 | if (rn->info != NULL && ospf_network_match_iface(co, &rn->p)) { | |
1410 | struct ospf_network *network = | |
1411 | (struct ospf_network *)rn->info; | |
1412 | area = ospf_area_get(ospf, network->area_id); | |
1413 | ospf_update_interface_area(co, area); | |
1414 | configed = 1; | |
1415 | } | |
1416 | ||
1417 | /* If the subnet isn't in any area, deconfigure */ | |
1418 | if (!configed && (oi = ospf_if_table_lookup(co->ifp, co->address))) | |
1419 | ospf_if_free(oi); | |
718e3744 | 1420 | } |
1421 | ||
d62a17ae | 1422 | static void ospf_network_run_interface(struct ospf *ospf, struct interface *ifp, |
1423 | struct prefix *p, | |
1424 | struct ospf_area *given_area) | |
718e3744 | 1425 | { |
d62a17ae | 1426 | struct listnode *cnode; |
1427 | struct connected *co; | |
1428 | ||
1429 | if (memcmp(ifp->name, "VLINK", 5) == 0) | |
1430 | return; | |
718e3744 | 1431 | |
d62a17ae | 1432 | /* Network prefix without area is nonsensical */ |
1433 | if (p) | |
1434 | assert(given_area != NULL); | |
1435 | ||
1436 | /* if interface prefix is match specified prefix, | |
1437 | then create socket and join multicast group. */ | |
1438 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, co)) | |
1439 | ospf_network_run_subnet(ospf, co, p, given_area); | |
718e3744 | 1440 | } |
1441 | ||
d62a17ae | 1442 | static void ospf_network_run(struct prefix *p, struct ospf_area *area) |
718e3744 | 1443 | { |
f4e14fdb | 1444 | struct vrf *vrf = vrf_lookup_by_id(area->ospf->vrf_id); |
d62a17ae | 1445 | struct interface *ifp; |
d62a17ae | 1446 | |
1447 | /* Schedule Router ID Update. */ | |
975a328e | 1448 | if (area->ospf->router_id.s_addr == INADDR_ANY) |
d62a17ae | 1449 | ospf_router_id_update(area->ospf); |
718e3744 | 1450 | |
d62a17ae | 1451 | /* Get target interface. */ |
451fda4f | 1452 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 1453 | ospf_network_run_interface(area->ospf, ifp, p, area); |
718e3744 | 1454 | } |
1455 | ||
d62a17ae | 1456 | void ospf_ls_upd_queue_empty(struct ospf_interface *oi) |
1457 | { | |
1458 | struct route_node *rn; | |
1459 | struct listnode *node, *nnode; | |
1460 | struct list *lst; | |
1461 | struct ospf_lsa *lsa; | |
1462 | ||
1463 | /* empty ls update queue */ | |
1464 | for (rn = route_top(oi->ls_upd_queue); rn; rn = route_next(rn)) | |
1465 | if ((lst = (struct list *)rn->info)) { | |
1466 | for (ALL_LIST_ELEMENTS(lst, node, nnode, lsa)) | |
1467 | ospf_lsa_unlock(&lsa); /* oi->ls_upd_queue */ | |
6a154c88 | 1468 | list_delete(&lst); |
d62a17ae | 1469 | rn->info = NULL; |
1470 | } | |
1471 | ||
1472 | /* remove update event */ | |
e16d030c | 1473 | EVENT_OFF(oi->t_ls_upd_event); |
d62a17ae | 1474 | } |
6b0655a2 | 1475 | |
d62a17ae | 1476 | void ospf_if_update(struct ospf *ospf, struct interface *ifp) |
718e3744 | 1477 | { |
43b8d1d8 | 1478 | |
d62a17ae | 1479 | if (!ospf) |
43b8d1d8 | 1480 | return; |
b5a8894d CS |
1481 | |
1482 | if (IS_DEBUG_OSPF_EVENT) | |
996c9314 | 1483 | zlog_debug( |
096f7609 IR |
1484 | "%s: interface %s vrf %s(%u) ospf vrf %s vrf_id %u router_id %pI4", |
1485 | __func__, ifp->name, ifp->vrf->name, ifp->vrf->vrf_id, | |
996c9314 | 1486 | ospf_vrf_id_to_name(ospf->vrf_id), ospf->vrf_id, |
96b663a3 | 1487 | &ospf->router_id); |
d62a17ae | 1488 | |
1489 | /* OSPF must be ready. */ | |
1490 | if (!ospf_is_ready(ospf)) | |
1491 | return; | |
1492 | ||
1493 | ospf_network_run_interface(ospf, ifp, NULL, NULL); | |
1494 | ||
1495 | /* Update connected redistribute. */ | |
1496 | update_redistributed(ospf, 1); | |
ef7bd2a3 | 1497 | |
d62a17ae | 1498 | } |
718e3744 | 1499 | |
d62a17ae | 1500 | void ospf_remove_vls_through_area(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1501 | { |
d62a17ae | 1502 | struct listnode *node, *nnode; |
1503 | struct ospf_vl_data *vl_data; | |
718e3744 | 1504 | |
d62a17ae | 1505 | for (ALL_LIST_ELEMENTS(ospf->vlinks, node, nnode, vl_data)) |
1506 | if (IPV4_ADDR_SAME(&vl_data->vl_area_id, &area->area_id)) | |
1507 | ospf_vl_delete(ospf, vl_data); | |
1508 | } | |
718e3744 | 1509 | |
718e3744 | 1510 | |
d62a17ae | 1511 | static const struct message ospf_area_type_msg[] = { |
1512 | {OSPF_AREA_DEFAULT, "Default"}, | |
1513 | {OSPF_AREA_STUB, "Stub"}, | |
1514 | {OSPF_AREA_NSSA, "NSSA"}, | |
1515 | {0}}; | |
718e3744 | 1516 | |
d62a17ae | 1517 | static void ospf_area_type_set(struct ospf_area *area, int type) |
1518 | { | |
1519 | struct listnode *node; | |
1520 | struct ospf_interface *oi; | |
1521 | ||
1522 | if (area->external_routing == type) { | |
1523 | if (IS_DEBUG_OSPF_EVENT) | |
96b663a3 MS |
1524 | zlog_debug("Area[%pI4]: Types are the same, ignored.", |
1525 | &area->area_id); | |
d62a17ae | 1526 | return; |
1527 | } | |
718e3744 | 1528 | |
d62a17ae | 1529 | area->external_routing = type; |
1530 | ||
1531 | if (IS_DEBUG_OSPF_EVENT) | |
96b663a3 MS |
1532 | zlog_debug("Area[%pI4]: Configured as %s", |
1533 | &area->area_id, | |
d62a17ae | 1534 | lookup_msg(ospf_area_type_msg, type, NULL)); |
1535 | ||
1536 | switch (area->external_routing) { | |
1537 | case OSPF_AREA_DEFAULT: | |
1538 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1539 | if (oi->nbr_self != NULL) { | |
1540 | UNSET_FLAG(oi->nbr_self->options, | |
1541 | OSPF_OPTION_NP); | |
1542 | SET_FLAG(oi->nbr_self->options, OSPF_OPTION_E); | |
1543 | } | |
1544 | break; | |
1545 | case OSPF_AREA_STUB: | |
1546 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1547 | if (oi->nbr_self != NULL) { | |
1548 | if (IS_DEBUG_OSPF_EVENT) | |
1549 | zlog_debug( | |
1550 | "setting options on %s accordingly", | |
1551 | IF_NAME(oi)); | |
1552 | UNSET_FLAG(oi->nbr_self->options, | |
1553 | OSPF_OPTION_NP); | |
1554 | UNSET_FLAG(oi->nbr_self->options, | |
1555 | OSPF_OPTION_E); | |
1556 | if (IS_DEBUG_OSPF_EVENT) | |
1557 | zlog_debug("options set on %s: %x", | |
1558 | IF_NAME(oi), OPTIONS(oi)); | |
1559 | } | |
1560 | break; | |
1561 | case OSPF_AREA_NSSA: | |
1562 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1563 | if (oi->nbr_self != NULL) { | |
1564 | zlog_debug( | |
1565 | "setting nssa options on %s accordingly", | |
1566 | IF_NAME(oi)); | |
1567 | UNSET_FLAG(oi->nbr_self->options, | |
1568 | OSPF_OPTION_E); | |
1569 | SET_FLAG(oi->nbr_self->options, OSPF_OPTION_NP); | |
1570 | zlog_debug("options set on %s: %x", IF_NAME(oi), | |
1571 | OPTIONS(oi)); | |
1572 | } | |
1573 | break; | |
1574 | default: | |
1575 | break; | |
1576 | } | |
1577 | ||
1578 | ospf_router_lsa_update_area(area); | |
1579 | ospf_schedule_abr_task(area->ospf); | |
718e3744 | 1580 | } |
1581 | ||
d62a17ae | 1582 | int ospf_area_shortcut_set(struct ospf *ospf, struct ospf_area *area, int mode) |
718e3744 | 1583 | { |
d62a17ae | 1584 | if (area->shortcut_configured == mode) |
1585 | return 0; | |
718e3744 | 1586 | |
d62a17ae | 1587 | area->shortcut_configured = mode; |
1588 | ospf_router_lsa_update_area(area); | |
1589 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1590 | |
d62a17ae | 1591 | ospf_area_check_free(ospf, area->area_id); |
718e3744 | 1592 | |
d62a17ae | 1593 | return 1; |
718e3744 | 1594 | } |
1595 | ||
d62a17ae | 1596 | int ospf_area_shortcut_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1597 | { |
d62a17ae | 1598 | area->shortcut_configured = OSPF_SHORTCUT_DEFAULT; |
1599 | ospf_router_lsa_update_area(area); | |
1600 | ospf_area_check_free(ospf, area->area_id); | |
1601 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1602 | |
d62a17ae | 1603 | return 1; |
718e3744 | 1604 | } |
1605 | ||
d62a17ae | 1606 | static int ospf_area_vlink_count(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1607 | { |
d62a17ae | 1608 | struct ospf_vl_data *vl; |
1609 | struct listnode *node; | |
1610 | int count = 0; | |
718e3744 | 1611 | |
d62a17ae | 1612 | for (ALL_LIST_ELEMENTS_RO(ospf->vlinks, node, vl)) |
1613 | if (IPV4_ADDR_SAME(&vl->vl_area_id, &area->area_id)) | |
1614 | count++; | |
718e3744 | 1615 | |
d62a17ae | 1616 | return count; |
718e3744 | 1617 | } |
1618 | ||
d62a17ae | 1619 | int ospf_area_display_format_set(struct ospf *ospf, struct ospf_area *area, |
1620 | int df) | |
86573dcb | 1621 | { |
d62a17ae | 1622 | area->area_id_fmt = df; |
86573dcb | 1623 | |
d62a17ae | 1624 | return 1; |
86573dcb QY |
1625 | } |
1626 | ||
d62a17ae | 1627 | int ospf_area_stub_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1628 | { |
d62a17ae | 1629 | struct ospf_area *area; |
718e3744 | 1630 | |
d62a17ae | 1631 | area = ospf_area_get(ospf, area_id); |
1632 | if (ospf_area_vlink_count(ospf, area)) | |
1633 | return 0; | |
718e3744 | 1634 | |
d62a17ae | 1635 | if (area->external_routing != OSPF_AREA_STUB) |
1636 | ospf_area_type_set(area, OSPF_AREA_STUB); | |
718e3744 | 1637 | |
d62a17ae | 1638 | return 1; |
718e3744 | 1639 | } |
1640 | ||
d62a17ae | 1641 | int ospf_area_stub_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1642 | { |
d62a17ae | 1643 | struct ospf_area *area; |
718e3744 | 1644 | |
d62a17ae | 1645 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1646 | if (area == NULL) | |
1647 | return 1; | |
718e3744 | 1648 | |
d62a17ae | 1649 | if (area->external_routing == OSPF_AREA_STUB) |
1650 | ospf_area_type_set(area, OSPF_AREA_DEFAULT); | |
718e3744 | 1651 | |
d62a17ae | 1652 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1653 | |
d62a17ae | 1654 | return 1; |
718e3744 | 1655 | } |
1656 | ||
d62a17ae | 1657 | int ospf_area_no_summary_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1658 | { |
d62a17ae | 1659 | struct ospf_area *area; |
718e3744 | 1660 | |
d62a17ae | 1661 | area = ospf_area_get(ospf, area_id); |
1662 | area->no_summary = 1; | |
718e3744 | 1663 | |
d62a17ae | 1664 | return 1; |
718e3744 | 1665 | } |
1666 | ||
d62a17ae | 1667 | int ospf_area_no_summary_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1668 | { |
d62a17ae | 1669 | struct ospf_area *area; |
718e3744 | 1670 | |
d62a17ae | 1671 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1672 | if (area == NULL) | |
1673 | return 0; | |
718e3744 | 1674 | |
d62a17ae | 1675 | area->no_summary = 0; |
1676 | ospf_area_check_free(ospf, area_id); | |
718e3744 | 1677 | |
d62a17ae | 1678 | return 1; |
718e3744 | 1679 | } |
1680 | ||
7ef56a73 | 1681 | int ospf_area_nssa_no_summary_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1682 | { |
d62a17ae | 1683 | struct ospf_area *area; |
718e3744 | 1684 | |
d62a17ae | 1685 | area = ospf_area_get(ospf, area_id); |
1686 | if (ospf_area_vlink_count(ospf, area)) | |
1687 | return 0; | |
718e3744 | 1688 | |
d62a17ae | 1689 | if (area->external_routing != OSPF_AREA_NSSA) { |
1690 | ospf_area_type_set(area, OSPF_AREA_NSSA); | |
1691 | ospf->anyNSSA++; | |
7ef56a73 | 1692 | area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; |
d62a17ae | 1693 | } |
718e3744 | 1694 | |
7ef56a73 | 1695 | ospf_area_no_summary_set(ospf, area_id); |
084c7844 | 1696 | |
d62a17ae | 1697 | return 1; |
718e3744 | 1698 | } |
1699 | ||
7ef56a73 CS |
1700 | int ospf_area_nssa_set(struct ospf *ospf, struct in_addr area_id) |
1701 | { | |
1702 | struct ospf_area *area; | |
1703 | ||
1704 | area = ospf_area_get(ospf, area_id); | |
1705 | if (ospf_area_vlink_count(ospf, area)) | |
1706 | return 0; | |
1707 | ||
1708 | if (area->external_routing != OSPF_AREA_NSSA) { | |
1709 | ospf_area_type_set(area, OSPF_AREA_NSSA); | |
1710 | ospf->anyNSSA++; | |
1711 | ||
1712 | /* set NSSA area defaults */ | |
1713 | area->no_summary = 0; | |
c317eddb | 1714 | area->suppress_fa = 0; |
7ef56a73 CS |
1715 | area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; |
1716 | area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED; | |
1717 | area->NSSATranslatorStabilityInterval = | |
1718 | OSPF_NSSA_TRANS_STABLE_DEFAULT; | |
1719 | } | |
1720 | return 1; | |
1721 | } | |
1722 | ||
e85194f5 | 1723 | int ospf_area_nssa_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1724 | { |
d62a17ae | 1725 | struct ospf_area *area; |
718e3744 | 1726 | |
d62a17ae | 1727 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1728 | if (area == NULL) | |
1729 | return 0; | |
718e3744 | 1730 | |
e85194f5 RW |
1731 | ospf->anyNSSA--; |
1732 | /* set NSSA area defaults */ | |
1733 | area->no_summary = 0; | |
1734 | area->suppress_fa = 0; | |
1735 | area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; | |
1736 | area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED; | |
1737 | area->NSSATranslatorStabilityInterval = OSPF_NSSA_TRANS_STABLE_DEFAULT; | |
1738 | ospf_area_type_set(area, OSPF_AREA_DEFAULT); | |
d62a17ae | 1739 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1740 | |
d62a17ae | 1741 | return 1; |
718e3744 | 1742 | } |
1743 | ||
c317eddb | 1744 | int ospf_area_nssa_suppress_fa_set(struct ospf *ospf, struct in_addr area_id) |
1745 | { | |
1746 | struct ospf_area *area; | |
1747 | ||
1748 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
1749 | if (area == NULL) | |
1750 | return 0; | |
1751 | ||
1752 | area->suppress_fa = 1; | |
1753 | ||
1754 | return 1; | |
1755 | } | |
1756 | ||
1757 | int ospf_area_nssa_suppress_fa_unset(struct ospf *ospf, struct in_addr area_id) | |
1758 | { | |
1759 | struct ospf_area *area; | |
1760 | ||
1761 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
1762 | if (area == NULL) | |
1763 | return 0; | |
1764 | ||
1765 | area->suppress_fa = 0; | |
1766 | ||
1767 | return 1; | |
1768 | } | |
1769 | ||
d62a17ae | 1770 | int ospf_area_nssa_translator_role_set(struct ospf *ospf, |
1771 | struct in_addr area_id, int role) | |
718e3744 | 1772 | { |
d62a17ae | 1773 | struct ospf_area *area; |
718e3744 | 1774 | |
d62a17ae | 1775 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1776 | if (area == NULL) | |
1777 | return 0; | |
718e3744 | 1778 | |
a987fe6b | 1779 | if (role != area->NSSATranslatorRole) { |
1780 | if ((area->NSSATranslatorRole == OSPF_NSSA_ROLE_ALWAYS) | |
1781 | || (role == OSPF_NSSA_ROLE_ALWAYS)) { | |
1782 | /* RFC 3101 3.1 | |
1783 | * if new role is OSPF_NSSA_ROLE_ALWAYS we need to set | |
1784 | * Nt bit, if the role was OSPF_NSSA_ROLE_ALWAYS we need | |
1785 | * to clear Nt bit | |
1786 | */ | |
1787 | area->NSSATranslatorRole = role; | |
1788 | ospf_router_lsa_update_area(area); | |
1789 | } else | |
1790 | area->NSSATranslatorRole = role; | |
1791 | } | |
718e3744 | 1792 | |
d62a17ae | 1793 | return 1; |
718e3744 | 1794 | } |
1795 | ||
017714e3 RW |
1796 | void ospf_area_nssa_default_originate_set(struct ospf *ospf, |
1797 | struct in_addr area_id, int metric, | |
1798 | int metric_type) | |
1799 | { | |
1800 | struct ospf_area *area; | |
1801 | ||
1802 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
1803 | if (area == NULL) | |
1804 | return; | |
1805 | ||
1806 | if (!area->nssa_default_originate.enabled) { | |
1807 | area->nssa_default_originate.enabled = true; | |
1808 | if (++ospf->nssa_default_import_check.refcnt == 1) { | |
1809 | ospf->nssa_default_import_check.status = false; | |
1810 | ospf_zebra_import_default_route(ospf, false); | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | area->nssa_default_originate.metric_value = metric; | |
1815 | area->nssa_default_originate.metric_type = metric_type; | |
1816 | } | |
1817 | ||
1818 | void ospf_area_nssa_default_originate_unset(struct ospf *ospf, | |
1819 | struct in_addr area_id) | |
1820 | { | |
1821 | struct ospf_area *area; | |
1822 | ||
1823 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
1824 | if (area == NULL) | |
1825 | return; | |
1826 | ||
1827 | if (area->nssa_default_originate.enabled) { | |
1828 | area->nssa_default_originate.enabled = false; | |
1829 | if (--ospf->nssa_default_import_check.refcnt == 0) { | |
1830 | ospf->nssa_default_import_check.status = false; | |
1831 | ospf_zebra_import_default_route(ospf, true); | |
1832 | } | |
1833 | area->nssa_default_originate.metric_value = -1; | |
1834 | area->nssa_default_originate.metric_type = -1; | |
1835 | ||
1836 | if (!IS_OSPF_ABR(ospf)) | |
1837 | ospf_abr_nssa_type7_defaults(ospf); | |
1838 | } | |
1839 | } | |
1840 | ||
d62a17ae | 1841 | int ospf_area_export_list_set(struct ospf *ospf, struct ospf_area *area, |
1842 | const char *list_name) | |
718e3744 | 1843 | { |
d62a17ae | 1844 | struct access_list *list; |
1845 | list = access_list_lookup(AFI_IP, list_name); | |
718e3744 | 1846 | |
d62a17ae | 1847 | EXPORT_LIST(area) = list; |
718e3744 | 1848 | |
d62a17ae | 1849 | if (EXPORT_NAME(area)) |
1850 | free(EXPORT_NAME(area)); | |
718e3744 | 1851 | |
d62a17ae | 1852 | EXPORT_NAME(area) = strdup(list_name); |
1853 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1854 | |
d62a17ae | 1855 | return 1; |
718e3744 | 1856 | } |
1857 | ||
d62a17ae | 1858 | int ospf_area_export_list_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1859 | { |
1860 | ||
d62a17ae | 1861 | EXPORT_LIST(area) = 0; |
718e3744 | 1862 | |
d62a17ae | 1863 | if (EXPORT_NAME(area)) |
1864 | free(EXPORT_NAME(area)); | |
718e3744 | 1865 | |
d62a17ae | 1866 | EXPORT_NAME(area) = NULL; |
718e3744 | 1867 | |
d62a17ae | 1868 | ospf_area_check_free(ospf, area->area_id); |
718e3744 | 1869 | |
d62a17ae | 1870 | ospf_schedule_abr_task(ospf); |
1871 | ||
1872 | return 1; | |
718e3744 | 1873 | } |
1874 | ||
d62a17ae | 1875 | int ospf_area_import_list_set(struct ospf *ospf, struct ospf_area *area, |
1876 | const char *name) | |
718e3744 | 1877 | { |
d62a17ae | 1878 | struct access_list *list; |
1879 | list = access_list_lookup(AFI_IP, name); | |
718e3744 | 1880 | |
d62a17ae | 1881 | IMPORT_LIST(area) = list; |
718e3744 | 1882 | |
d62a17ae | 1883 | if (IMPORT_NAME(area)) |
1884 | free(IMPORT_NAME(area)); | |
718e3744 | 1885 | |
d62a17ae | 1886 | IMPORT_NAME(area) = strdup(name); |
1887 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1888 | |
d62a17ae | 1889 | return 1; |
718e3744 | 1890 | } |
1891 | ||
d62a17ae | 1892 | int ospf_area_import_list_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1893 | { |
d62a17ae | 1894 | IMPORT_LIST(area) = 0; |
718e3744 | 1895 | |
d62a17ae | 1896 | if (IMPORT_NAME(area)) |
1897 | free(IMPORT_NAME(area)); | |
718e3744 | 1898 | |
d62a17ae | 1899 | IMPORT_NAME(area) = NULL; |
1900 | ospf_area_check_free(ospf, area->area_id); | |
718e3744 | 1901 | |
d62a17ae | 1902 | ospf_schedule_abr_task(ospf); |
718e3744 | 1903 | |
d62a17ae | 1904 | return 1; |
718e3744 | 1905 | } |
1906 | ||
d62a17ae | 1907 | int ospf_timers_refresh_set(struct ospf *ospf, int interval) |
718e3744 | 1908 | { |
d62a17ae | 1909 | int time_left; |
718e3744 | 1910 | |
d62a17ae | 1911 | if (ospf->lsa_refresh_interval == interval) |
1912 | return 1; | |
718e3744 | 1913 | |
d62a17ae | 1914 | time_left = ospf->lsa_refresh_interval |
1915 | - (monotime(NULL) - ospf->lsa_refresher_started); | |
718e3744 | 1916 | |
d62a17ae | 1917 | if (time_left > interval) { |
e16d030c | 1918 | EVENT_OFF(ospf->t_lsa_refresher); |
907a2395 DS |
1919 | event_add_timer(master, ospf_lsa_refresh_walker, ospf, interval, |
1920 | &ospf->t_lsa_refresher); | |
d62a17ae | 1921 | } |
1922 | ospf->lsa_refresh_interval = interval; | |
1923 | ||
1924 | return 1; | |
718e3744 | 1925 | } |
1926 | ||
d62a17ae | 1927 | int ospf_timers_refresh_unset(struct ospf *ospf) |
718e3744 | 1928 | { |
d62a17ae | 1929 | int time_left; |
718e3744 | 1930 | |
d62a17ae | 1931 | time_left = ospf->lsa_refresh_interval |
1932 | - (monotime(NULL) - ospf->lsa_refresher_started); | |
718e3744 | 1933 | |
d62a17ae | 1934 | if (time_left > OSPF_LSA_REFRESH_INTERVAL_DEFAULT) { |
e16d030c | 1935 | EVENT_OFF(ospf->t_lsa_refresher); |
d62a17ae | 1936 | ospf->t_lsa_refresher = NULL; |
907a2395 DS |
1937 | event_add_timer(master, ospf_lsa_refresh_walker, ospf, |
1938 | OSPF_LSA_REFRESH_INTERVAL_DEFAULT, | |
1939 | &ospf->t_lsa_refresher); | |
d62a17ae | 1940 | } |
718e3744 | 1941 | |
d62a17ae | 1942 | ospf->lsa_refresh_interval = OSPF_LSA_REFRESH_INTERVAL_DEFAULT; |
718e3744 | 1943 | |
d62a17ae | 1944 | return 1; |
718e3744 | 1945 | } |
1946 | ||
6b0655a2 | 1947 | |
d62a17ae | 1948 | static struct ospf_nbr_nbma *ospf_nbr_nbma_new(void) |
718e3744 | 1949 | { |
d62a17ae | 1950 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1951 | |
d62a17ae | 1952 | nbr_nbma = XCALLOC(MTYPE_OSPF_NEIGHBOR_STATIC, |
1953 | sizeof(struct ospf_nbr_nbma)); | |
718e3744 | 1954 | |
d62a17ae | 1955 | nbr_nbma->priority = OSPF_NEIGHBOR_PRIORITY_DEFAULT; |
1956 | nbr_nbma->v_poll = OSPF_POLL_INTERVAL_DEFAULT; | |
718e3744 | 1957 | |
d62a17ae | 1958 | return nbr_nbma; |
718e3744 | 1959 | } |
1960 | ||
d62a17ae | 1961 | static void ospf_nbr_nbma_free(struct ospf_nbr_nbma *nbr_nbma) |
718e3744 | 1962 | { |
d62a17ae | 1963 | XFREE(MTYPE_OSPF_NEIGHBOR_STATIC, nbr_nbma); |
718e3744 | 1964 | } |
1965 | ||
d62a17ae | 1966 | static void ospf_nbr_nbma_delete(struct ospf *ospf, |
1967 | struct ospf_nbr_nbma *nbr_nbma) | |
718e3744 | 1968 | { |
d62a17ae | 1969 | struct route_node *rn; |
1970 | struct prefix_ipv4 p; | |
718e3744 | 1971 | |
d62a17ae | 1972 | p.family = AF_INET; |
1973 | p.prefix = nbr_nbma->addr; | |
1974 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1975 | |
d62a17ae | 1976 | rn = route_node_lookup(ospf->nbr_nbma, (struct prefix *)&p); |
1977 | if (rn) { | |
1978 | ospf_nbr_nbma_free(rn->info); | |
1979 | rn->info = NULL; | |
1980 | route_unlock_node(rn); | |
1981 | route_unlock_node(rn); | |
1982 | } | |
718e3744 | 1983 | } |
1984 | ||
d62a17ae | 1985 | static void ospf_nbr_nbma_down(struct ospf_nbr_nbma *nbr_nbma) |
718e3744 | 1986 | { |
e16d030c | 1987 | EVENT_OFF(nbr_nbma->t_poll); |
718e3744 | 1988 | |
d62a17ae | 1989 | if (nbr_nbma->nbr) { |
1990 | nbr_nbma->nbr->nbr_nbma = NULL; | |
1991 | OSPF_NSM_EVENT_EXECUTE(nbr_nbma->nbr, NSM_KillNbr); | |
1992 | } | |
718e3744 | 1993 | |
d62a17ae | 1994 | if (nbr_nbma->oi) |
1995 | listnode_delete(nbr_nbma->oi->nbr_nbma, nbr_nbma); | |
718e3744 | 1996 | } |
1997 | ||
d62a17ae | 1998 | static void ospf_nbr_nbma_add(struct ospf_nbr_nbma *nbr_nbma, |
1999 | struct ospf_interface *oi) | |
718e3744 | 2000 | { |
d62a17ae | 2001 | struct ospf_neighbor *nbr; |
2002 | struct route_node *rn; | |
2003 | struct prefix p; | |
718e3744 | 2004 | |
d62a17ae | 2005 | if (oi->type != OSPF_IFTYPE_NBMA) |
2006 | return; | |
718e3744 | 2007 | |
d62a17ae | 2008 | if (nbr_nbma->nbr != NULL) |
2009 | return; | |
718e3744 | 2010 | |
d62a17ae | 2011 | if (IPV4_ADDR_SAME(&oi->nbr_self->address.u.prefix4, &nbr_nbma->addr)) |
2012 | return; | |
718e3744 | 2013 | |
d62a17ae | 2014 | nbr_nbma->oi = oi; |
2015 | listnode_add(oi->nbr_nbma, nbr_nbma); | |
718e3744 | 2016 | |
d62a17ae | 2017 | /* Get neighbor information from table. */ |
2018 | p.family = AF_INET; | |
2019 | p.prefixlen = IPV4_MAX_BITLEN; | |
2020 | p.u.prefix4 = nbr_nbma->addr; | |
718e3744 | 2021 | |
c4efd0f4 | 2022 | rn = route_node_get(oi->nbrs, &p); |
d62a17ae | 2023 | if (rn->info) { |
2024 | nbr = rn->info; | |
2025 | nbr->nbr_nbma = nbr_nbma; | |
2026 | nbr_nbma->nbr = nbr; | |
718e3744 | 2027 | |
d62a17ae | 2028 | route_unlock_node(rn); |
2029 | } else { | |
2030 | nbr = rn->info = ospf_nbr_new(oi); | |
2031 | nbr->state = NSM_Down; | |
2032 | nbr->src = nbr_nbma->addr; | |
2033 | nbr->nbr_nbma = nbr_nbma; | |
2034 | nbr->priority = nbr_nbma->priority; | |
2035 | nbr->address = p; | |
718e3744 | 2036 | |
d62a17ae | 2037 | nbr_nbma->nbr = nbr; |
2038 | ||
659f4e40 RZ |
2039 | /* Configure BFD if interface has it. */ |
2040 | ospf_neighbor_bfd_apply(nbr); | |
2041 | ||
d62a17ae | 2042 | OSPF_NSM_EVENT_EXECUTE(nbr, NSM_Start); |
2043 | } | |
718e3744 | 2044 | } |
2045 | ||
d62a17ae | 2046 | void ospf_nbr_nbma_if_update(struct ospf *ospf, struct ospf_interface *oi) |
718e3744 | 2047 | { |
d62a17ae | 2048 | struct ospf_nbr_nbma *nbr_nbma; |
2049 | struct route_node *rn; | |
2050 | struct prefix_ipv4 p; | |
718e3744 | 2051 | |
d62a17ae | 2052 | if (oi->type != OSPF_IFTYPE_NBMA) |
2053 | return; | |
718e3744 | 2054 | |
d62a17ae | 2055 | for (rn = route_top(ospf->nbr_nbma); rn; rn = route_next(rn)) |
2056 | if ((nbr_nbma = rn->info)) | |
2057 | if (nbr_nbma->oi == NULL && nbr_nbma->nbr == NULL) { | |
2058 | p.family = AF_INET; | |
2059 | p.prefix = nbr_nbma->addr; | |
2060 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 2061 | |
d62a17ae | 2062 | if (prefix_match(oi->address, |
2063 | (struct prefix *)&p)) | |
2064 | ospf_nbr_nbma_add(nbr_nbma, oi); | |
2065 | } | |
718e3744 | 2066 | } |
2067 | ||
d62a17ae | 2068 | struct ospf_nbr_nbma *ospf_nbr_nbma_lookup(struct ospf *ospf, |
2069 | struct in_addr nbr_addr) | |
718e3744 | 2070 | { |
d62a17ae | 2071 | struct route_node *rn; |
2072 | struct prefix_ipv4 p; | |
718e3744 | 2073 | |
d62a17ae | 2074 | p.family = AF_INET; |
2075 | p.prefix = nbr_addr; | |
2076 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 2077 | |
d62a17ae | 2078 | rn = route_node_lookup(ospf->nbr_nbma, (struct prefix *)&p); |
2079 | if (rn) { | |
2080 | route_unlock_node(rn); | |
2081 | return rn->info; | |
2082 | } | |
2083 | return NULL; | |
718e3744 | 2084 | } |
2085 | ||
d62a17ae | 2086 | int ospf_nbr_nbma_set(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 2087 | { |
d62a17ae | 2088 | struct ospf_nbr_nbma *nbr_nbma; |
2089 | struct ospf_interface *oi; | |
2090 | struct prefix_ipv4 p; | |
2091 | struct route_node *rn; | |
2092 | struct listnode *node; | |
718e3744 | 2093 | |
d62a17ae | 2094 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
2095 | if (nbr_nbma) | |
2096 | return 0; | |
718e3744 | 2097 | |
d62a17ae | 2098 | nbr_nbma = ospf_nbr_nbma_new(); |
2099 | nbr_nbma->addr = nbr_addr; | |
718e3744 | 2100 | |
d62a17ae | 2101 | p.family = AF_INET; |
2102 | p.prefix = nbr_addr; | |
2103 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 2104 | |
d62a17ae | 2105 | rn = route_node_get(ospf->nbr_nbma, (struct prefix *)&p); |
2106 | if (rn->info) | |
2107 | route_unlock_node(rn); | |
2108 | rn->info = nbr_nbma; | |
718e3744 | 2109 | |
d62a17ae | 2110 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { |
2111 | if (oi->type == OSPF_IFTYPE_NBMA) | |
2112 | if (prefix_match(oi->address, (struct prefix *)&p)) { | |
2113 | ospf_nbr_nbma_add(nbr_nbma, oi); | |
2114 | break; | |
2115 | } | |
2116 | } | |
718e3744 | 2117 | |
d62a17ae | 2118 | return 1; |
718e3744 | 2119 | } |
2120 | ||
d62a17ae | 2121 | int ospf_nbr_nbma_unset(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 2122 | { |
d62a17ae | 2123 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 2124 | |
d62a17ae | 2125 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
2126 | if (nbr_nbma == NULL) | |
2127 | return 0; | |
718e3744 | 2128 | |
d62a17ae | 2129 | ospf_nbr_nbma_down(nbr_nbma); |
2130 | ospf_nbr_nbma_delete(ospf, nbr_nbma); | |
718e3744 | 2131 | |
d62a17ae | 2132 | return 1; |
718e3744 | 2133 | } |
2134 | ||
d62a17ae | 2135 | int ospf_nbr_nbma_priority_set(struct ospf *ospf, struct in_addr nbr_addr, |
d7c0a89a | 2136 | uint8_t priority) |
718e3744 | 2137 | { |
d62a17ae | 2138 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 2139 | |
d62a17ae | 2140 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
2141 | if (nbr_nbma == NULL) | |
2142 | return 0; | |
718e3744 | 2143 | |
d62a17ae | 2144 | if (nbr_nbma->priority != priority) |
2145 | nbr_nbma->priority = priority; | |
718e3744 | 2146 | |
d62a17ae | 2147 | return 1; |
718e3744 | 2148 | } |
2149 | ||
d62a17ae | 2150 | int ospf_nbr_nbma_priority_unset(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 2151 | { |
d62a17ae | 2152 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 2153 | |
d62a17ae | 2154 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
2155 | if (nbr_nbma == NULL) | |
2156 | return 0; | |
718e3744 | 2157 | |
d62a17ae | 2158 | if (nbr_nbma != OSPF_NEIGHBOR_PRIORITY_DEFAULT) |
2159 | nbr_nbma->priority = OSPF_NEIGHBOR_PRIORITY_DEFAULT; | |
718e3744 | 2160 | |
d62a17ae | 2161 | return 1; |
718e3744 | 2162 | } |
2163 | ||
d62a17ae | 2164 | int ospf_nbr_nbma_poll_interval_set(struct ospf *ospf, struct in_addr nbr_addr, |
2165 | unsigned int interval) | |
718e3744 | 2166 | { |
d62a17ae | 2167 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 2168 | |
d62a17ae | 2169 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
2170 | if (nbr_nbma == NULL) | |
2171 | return 0; | |
718e3744 | 2172 | |
d62a17ae | 2173 | if (nbr_nbma->v_poll != interval) { |
2174 | nbr_nbma->v_poll = interval; | |
2175 | if (nbr_nbma->oi && ospf_if_is_up(nbr_nbma->oi)) { | |
e16d030c | 2176 | EVENT_OFF(nbr_nbma->t_poll); |
d62a17ae | 2177 | OSPF_POLL_TIMER_ON(nbr_nbma->t_poll, ospf_poll_timer, |
2178 | nbr_nbma->v_poll); | |
2179 | } | |
718e3744 | 2180 | } |
718e3744 | 2181 | |
d62a17ae | 2182 | return 1; |
718e3744 | 2183 | } |
2184 | ||
d62a17ae | 2185 | int ospf_nbr_nbma_poll_interval_unset(struct ospf *ospf, struct in_addr addr) |
718e3744 | 2186 | { |
d62a17ae | 2187 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 2188 | |
d62a17ae | 2189 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, addr); |
2190 | if (nbr_nbma == NULL) | |
2191 | return 0; | |
718e3744 | 2192 | |
d62a17ae | 2193 | if (nbr_nbma->v_poll != OSPF_POLL_INTERVAL_DEFAULT) |
2194 | nbr_nbma->v_poll = OSPF_POLL_INTERVAL_DEFAULT; | |
718e3744 | 2195 | |
d62a17ae | 2196 | return 1; |
718e3744 | 2197 | } |
2198 | ||
6e6e1020 MS |
2199 | /* |
2200 | * Update socket bufsize(s), usually after config change | |
2201 | */ | |
2202 | void ospf_update_bufsize(struct ospf *ospf, uint32_t recvsize, | |
2203 | uint32_t sendsize) | |
2204 | { | |
2205 | enum ospf_sock_type_e type = OSPF_SOCK_NONE; | |
2206 | ||
2207 | /* Figure out whether there's been a change */ | |
2208 | if (recvsize != ospf->recv_sock_bufsize) { | |
2209 | type = OSPF_SOCK_RECV; | |
2210 | ospf->recv_sock_bufsize = recvsize; | |
2211 | ||
2212 | if (sendsize != ospf->send_sock_bufsize) { | |
2213 | type = OSPF_SOCK_BOTH; | |
2214 | ospf->send_sock_bufsize = sendsize; | |
2215 | } | |
2216 | } else if (sendsize != ospf->send_sock_bufsize) { | |
2217 | type = OSPF_SOCK_SEND; | |
2218 | ospf->send_sock_bufsize = sendsize; | |
2219 | } | |
2220 | ||
2221 | if (type != OSPF_SOCK_NONE) | |
2222 | ospf_sock_bufsize_update(ospf, ospf->fd, type); | |
2223 | } | |
2224 | ||
cd9d0537 | 2225 | void ospf_master_init(struct event_loop *master) |
718e3744 | 2226 | { |
6006b807 | 2227 | memset(&ospf_master, 0, sizeof(ospf_master)); |
020709f9 | 2228 | |
d62a17ae | 2229 | om = &ospf_master; |
2230 | om->ospf = list_new(); | |
2231 | om->master = master; | |
020709f9 | 2232 | } |
b5a8894d CS |
2233 | |
2234 | /* Link OSPF instance to VRF. */ | |
2235 | void ospf_vrf_link(struct ospf *ospf, struct vrf *vrf) | |
2236 | { | |
2237 | ospf->vrf_id = vrf->vrf_id; | |
2238 | if (vrf->info != (void *)ospf) | |
2239 | vrf->info = (void *)ospf; | |
2240 | } | |
2241 | ||
2242 | /* Unlink OSPF instance from VRF. */ | |
2243 | void ospf_vrf_unlink(struct ospf *ospf, struct vrf *vrf) | |
2244 | { | |
2245 | if (vrf->info == (void *)ospf) | |
2246 | vrf->info = NULL; | |
2247 | ospf->vrf_id = VRF_UNKNOWN; | |
2248 | } | |
2249 | ||
2250 | /* This is hook function for vrf create called as part of vrf_init */ | |
2251 | static int ospf_vrf_new(struct vrf *vrf) | |
2252 | { | |
2253 | if (IS_DEBUG_OSPF_EVENT) | |
15569c58 DA |
2254 | zlog_debug("%s: VRF Created: %s(%u)", __func__, vrf->name, |
2255 | vrf->vrf_id); | |
b5a8894d CS |
2256 | |
2257 | return 0; | |
2258 | } | |
2259 | ||
2260 | /* This is hook function for vrf delete call as part of vrf_init */ | |
2261 | static int ospf_vrf_delete(struct vrf *vrf) | |
2262 | { | |
2263 | if (IS_DEBUG_OSPF_EVENT) | |
15569c58 DA |
2264 | zlog_debug("%s: VRF Deletion: %s(%u)", __func__, vrf->name, |
2265 | vrf->vrf_id); | |
b5a8894d CS |
2266 | |
2267 | return 0; | |
2268 | } | |
2269 | ||
de11c1bc | 2270 | static void ospf_set_redist_vrf_bitmaps(struct ospf *ospf, bool set) |
3d9f7302 PZ |
2271 | { |
2272 | int type; | |
2273 | struct list *red_list; | |
2274 | ||
2275 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) { | |
2276 | red_list = ospf->redist[type]; | |
2277 | if (!red_list) | |
2278 | continue; | |
2279 | if (IS_DEBUG_OSPF_EVENT) | |
2280 | zlog_debug( | |
2281 | "%s: setting redist vrf %d bitmap for type %d", | |
2282 | __func__, ospf->vrf_id, type); | |
de11c1bc IR |
2283 | if (set) |
2284 | vrf_bitmap_set(zclient->redist[AFI_IP][type], | |
2285 | ospf->vrf_id); | |
2286 | else | |
2287 | vrf_bitmap_unset(zclient->redist[AFI_IP][type], | |
2288 | ospf->vrf_id); | |
3d9f7302 | 2289 | } |
b46538c4 IR |
2290 | |
2291 | red_list = ospf->redist[DEFAULT_ROUTE]; | |
2292 | if (red_list) { | |
2293 | if (set) | |
2294 | vrf_bitmap_set(zclient->default_information[AFI_IP], | |
2295 | ospf->vrf_id); | |
2296 | else | |
2297 | vrf_bitmap_unset(zclient->default_information[AFI_IP], | |
2298 | ospf->vrf_id); | |
2299 | } | |
3d9f7302 PZ |
2300 | } |
2301 | ||
b5a8894d CS |
2302 | /* Enable OSPF VRF instance */ |
2303 | static int ospf_vrf_enable(struct vrf *vrf) | |
2304 | { | |
2305 | struct ospf *ospf = NULL; | |
7d206035 | 2306 | vrf_id_t old_vrf_id; |
3c0eb8fa | 2307 | int ret = 0; |
b5a8894d CS |
2308 | |
2309 | if (IS_DEBUG_OSPF_EVENT) | |
5e81f5dd DS |
2310 | zlog_debug("%s: VRF %s id %u enabled", __func__, vrf->name, |
2311 | vrf->vrf_id); | |
b5a8894d CS |
2312 | |
2313 | ospf = ospf_lookup_by_name(vrf->name); | |
2314 | if (ospf) { | |
2315 | old_vrf_id = ospf->vrf_id; | |
2316 | /* We have instance configured, link to VRF and make it "up". */ | |
2317 | ospf_vrf_link(ospf, vrf); | |
2318 | if (IS_DEBUG_OSPF_EVENT) | |
996c9314 LB |
2319 | zlog_debug( |
2320 | "%s: ospf linked to vrf %s vrf_id %u (old id %u)", | |
5e81f5dd | 2321 | __func__, vrf->name, ospf->vrf_id, old_vrf_id); |
b5a8894d CS |
2322 | |
2323 | if (old_vrf_id != ospf->vrf_id) { | |
de11c1bc | 2324 | ospf_set_redist_vrf_bitmaps(ospf, true); |
3d9f7302 | 2325 | |
de11c1bc IR |
2326 | /* start zebra redist to us for new vrf */ |
2327 | ospf_zebra_vrf_register(ospf); | |
313d7993 | 2328 | |
de11c1bc | 2329 | ret = ospf_sock_init(ospf); |
3c0eb8fa PG |
2330 | if (ret < 0 || ospf->fd <= 0) |
2331 | return 0; | |
907a2395 DS |
2332 | event_add_read(master, ospf_read, ospf, ospf->fd, |
2333 | &ospf->t_read); | |
b5a8894d CS |
2334 | ospf->oi_running = 1; |
2335 | ospf_router_id_update(ospf); | |
2336 | } | |
2337 | } | |
2338 | ||
2339 | return 0; | |
2340 | } | |
2341 | ||
2342 | /* Disable OSPF VRF instance */ | |
2343 | static int ospf_vrf_disable(struct vrf *vrf) | |
2344 | { | |
2345 | struct ospf *ospf = NULL; | |
2346 | vrf_id_t old_vrf_id = VRF_UNKNOWN; | |
2347 | ||
2348 | if (vrf->vrf_id == VRF_DEFAULT) | |
2349 | return 0; | |
2350 | ||
2351 | if (IS_DEBUG_OSPF_EVENT) | |
15569c58 DA |
2352 | zlog_debug("%s: VRF %s id %d disabled.", __func__, vrf->name, |
2353 | vrf->vrf_id); | |
b5a8894d CS |
2354 | |
2355 | ospf = ospf_lookup_by_name(vrf->name); | |
2356 | if (ospf) { | |
2357 | old_vrf_id = ospf->vrf_id; | |
2358 | ||
de11c1bc IR |
2359 | ospf_zebra_vrf_deregister(ospf); |
2360 | ||
2361 | ospf_set_redist_vrf_bitmaps(ospf, false); | |
2362 | ||
b5a8894d CS |
2363 | /* We have instance configured, unlink |
2364 | * from VRF and make it "down". | |
2365 | */ | |
2366 | ospf_vrf_unlink(ospf, vrf); | |
2367 | ospf->oi_running = 0; | |
2368 | if (IS_DEBUG_OSPF_EVENT) | |
15569c58 DA |
2369 | zlog_debug("%s: ospf old_vrf_id %d unlinked", __func__, |
2370 | old_vrf_id); | |
e16d030c | 2371 | EVENT_OFF(ospf->t_read); |
3c0eb8fa PG |
2372 | close(ospf->fd); |
2373 | ospf->fd = -1; | |
b5a8894d CS |
2374 | } |
2375 | ||
2376 | /* Note: This is a callback, the VRF will be deleted by the caller. */ | |
2377 | return 0; | |
2378 | } | |
2379 | ||
2380 | void ospf_vrf_init(void) | |
2381 | { | |
996c9314 | 2382 | vrf_init(ospf_vrf_new, ospf_vrf_enable, ospf_vrf_disable, |
ac2cb9bf | 2383 | ospf_vrf_delete); |
b5a8894d CS |
2384 | } |
2385 | ||
2386 | void ospf_vrf_terminate(void) | |
2387 | { | |
2388 | vrf_terminate(); | |
2389 | } | |
2390 | ||
2391 | const char *ospf_vrf_id_to_name(vrf_id_t vrf_id) | |
2392 | { | |
2393 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
2394 | ||
2395 | return vrf ? vrf->name : "NIL"; | |
2396 | } | |
88b6b28e DS |
2397 | |
2398 | const char *ospf_get_name(const struct ospf *ospf) | |
2399 | { | |
2400 | if (ospf->name) | |
2401 | return ospf->name; | |
2402 | else | |
2403 | return VRF_DEFAULT_NAME; | |
2404 | } |