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718e3744 | 1 | /* OSPF version 2 daemon program. |
896014f4 DL |
2 | * Copyright (C) 1999, 2000 Toshiaki Takada |
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 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "thread.h" | |
24 | #include "vty.h" | |
25 | #include "command.h" | |
26 | #include "linklist.h" | |
27 | #include "prefix.h" | |
28 | #include "table.h" | |
29 | #include "if.h" | |
30 | #include "memory.h" | |
31 | #include "stream.h" | |
32 | #include "log.h" | |
d62a17ae | 33 | #include "sockunion.h" /* for inet_aton () */ |
718e3744 | 34 | #include "zclient.h" |
35 | #include "plist.h" | |
f102e75f | 36 | #include "sockopt.h" |
567b877d | 37 | #include "bfd.h" |
8879bd22 | 38 | #include "libfrr.h" |
8efe88ea | 39 | #include "defaults.h" |
718e3744 | 40 | |
41 | #include "ospfd/ospfd.h" | |
42 | #include "ospfd/ospf_network.h" | |
43 | #include "ospfd/ospf_interface.h" | |
44 | #include "ospfd/ospf_ism.h" | |
45 | #include "ospfd/ospf_asbr.h" | |
46 | #include "ospfd/ospf_lsa.h" | |
47 | #include "ospfd/ospf_lsdb.h" | |
48 | #include "ospfd/ospf_neighbor.h" | |
49 | #include "ospfd/ospf_nsm.h" | |
50 | #include "ospfd/ospf_spf.h" | |
51 | #include "ospfd/ospf_packet.h" | |
52 | #include "ospfd/ospf_dump.h" | |
53 | #include "ospfd/ospf_zebra.h" | |
54 | #include "ospfd/ospf_abr.h" | |
55 | #include "ospfd/ospf_flood.h" | |
56 | #include "ospfd/ospf_route.h" | |
57 | #include "ospfd/ospf_ase.h" | |
58 | ||
6b0655a2 | 59 | |
ae19c240 | 60 | DEFINE_QOBJ_TYPE(ospf) |
edd7c245 | 61 | |
020709f9 | 62 | /* OSPF process wide configuration. */ |
63 | static struct ospf_master ospf_master; | |
64 | ||
65 | /* OSPF process wide configuration pointer to export. */ | |
66 | struct ospf_master *om; | |
718e3744 | 67 | |
68 | extern struct zclient *zclient; | |
18a6dce6 | 69 | extern struct in_addr router_id_zebra; |
e7503eab | 70 | extern struct zebra_privs_t ospfd_privs; |
718e3744 | 71 | |
6b0655a2 | 72 | |
d62a17ae | 73 | static void ospf_remove_vls_through_area(struct ospf *, struct ospf_area *); |
74 | static void ospf_network_free(struct ospf *, struct ospf_network *); | |
75 | static void ospf_area_free(struct ospf_area *); | |
76 | static void ospf_network_run(struct prefix *, struct ospf_area *); | |
77 | static void ospf_network_run_interface(struct ospf *, struct interface *, | |
78 | struct prefix *, struct ospf_area *); | |
79 | static void ospf_network_run_subnet(struct ospf *, struct connected *, | |
80 | struct prefix *, struct ospf_area *); | |
81 | static int ospf_network_match_iface(const struct connected *, | |
82 | const struct prefix *); | |
83 | static void ospf_finish_final(struct ospf *); | |
718e3744 | 84 | |
718e3744 | 85 | #define OSPF_EXTERNAL_LSA_ORIGINATE_DELAY 1 |
6b0655a2 | 86 | |
d62a17ae | 87 | void ospf_router_id_update(struct ospf *ospf) |
718e3744 | 88 | { |
d62a17ae | 89 | struct in_addr router_id, router_id_old; |
90 | struct ospf_interface *oi; | |
91 | struct interface *ifp; | |
92 | struct listnode *node; | |
93 | int type; | |
2c19a6ec | 94 | |
d62a17ae | 95 | if (!ospf->oi_running) { |
96 | if (IS_DEBUG_OSPF_EVENT) | |
97 | zlog_debug( | |
98 | "Router ospf not configured -- Router-ID update postponed"); | |
99 | return; | |
25a346eb | 100 | } |
718e3744 | 101 | |
d62a17ae | 102 | if (IS_DEBUG_OSPF_EVENT) |
103 | zlog_debug("Router-ID[OLD:%s]: Update", | |
104 | inet_ntoa(ospf->router_id)); | |
105 | ||
106 | router_id_old = ospf->router_id; | |
107 | ||
108 | /* Select the router ID based on these priorities: | |
109 | 1. Statically assigned router ID is always the first choice. | |
110 | 2. If there is no statically assigned router ID, then try to stick | |
111 | with the most recent value, since changing router ID's is very | |
112 | disruptive. | |
113 | 3. Last choice: just go with whatever the zebra daemon recommends. | |
114 | */ | |
115 | if (ospf->router_id_static.s_addr != 0) | |
116 | router_id = ospf->router_id_static; | |
117 | else if (ospf->router_id.s_addr != 0) | |
118 | router_id = ospf->router_id; | |
119 | else | |
120 | router_id = router_id_zebra; | |
121 | ||
b5a8894d CS |
122 | if (IS_DEBUG_OSPF_EVENT) |
123 | zlog_debug("Router-ID[OLD:%s]: Update to %s", | |
124 | inet_ntoa(ospf->router_id), | |
125 | inet_ntoa(router_id_old)); | |
d62a17ae | 126 | |
127 | if (!IPV4_ADDR_SAME(&router_id_old, &router_id)) { | |
128 | ||
129 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { | |
130 | /* Some nbrs are identified by router_id, these needs | |
131 | * to be rebuilt. Possible optimization would be to do | |
132 | * oi->nbr_self->router_id = router_id for | |
133 | * !(virtual | ptop) links | |
134 | */ | |
135 | ospf_nbr_self_reset(oi, router_id); | |
136 | } | |
137 | ||
138 | /* If AS-external-LSA is queued, then flush those LSAs. */ | |
139 | if (router_id_old.s_addr == 0 && ospf->external_origin) { | |
140 | /* Originate each redistributed external route. */ | |
141 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) | |
142 | if (ospf->external_origin & (1 << type)) | |
143 | thread_add_event( | |
144 | master, | |
145 | ospf_external_lsa_originate_timer, | |
146 | ospf, type, NULL); | |
147 | /* Originate Deafult. */ | |
148 | if (ospf->external_origin & (1 << ZEBRA_ROUTE_MAX)) | |
149 | thread_add_event(master, | |
150 | ospf_default_originate_timer, | |
151 | ospf, 0, NULL); | |
152 | ||
153 | ospf->external_origin = 0; | |
154 | } | |
155 | ||
156 | /* Flush (inline) all external LSAs based on the OSPF_LSA_SELF | |
157 | * flag */ | |
158 | if (ospf->lsdb) { | |
159 | struct route_node *rn; | |
160 | struct ospf_lsa *lsa; | |
161 | ||
162 | LSDB_LOOP(EXTERNAL_LSDB(ospf), rn, lsa) | |
163 | if (IS_LSA_SELF(lsa)) | |
164 | ospf_lsa_flush_schedule(ospf, lsa); | |
165 | } | |
166 | ||
167 | ospf->router_id = router_id; | |
168 | if (IS_DEBUG_OSPF_EVENT) | |
169 | zlog_debug("Router-ID[NEW:%s]: Update", | |
170 | inet_ntoa(ospf->router_id)); | |
171 | ||
172 | /* Flush (inline) all external LSAs which now match the new | |
173 | router-id, | |
174 | need to adjust the OSPF_LSA_SELF flag, so the flush doesnt | |
175 | hit | |
176 | asserts in ospf_refresher_unregister_lsa(). This step is | |
177 | needed | |
178 | because the current quagga code does look-up for | |
179 | self-originated LSAs | |
180 | based on the self router-id alone but expects OSPF_LSA_SELF | |
181 | to be | |
182 | properly set */ | |
183 | if (ospf->lsdb) { | |
184 | struct route_node *rn; | |
185 | struct ospf_lsa *lsa; | |
186 | ||
187 | LSDB_LOOP(EXTERNAL_LSDB(ospf), rn, lsa) | |
188 | { | |
189 | /* AdvRouter and Router ID is the same. */ | |
190 | if (IPV4_ADDR_SAME(&lsa->data->adv_router, | |
191 | &ospf->router_id)) { | |
192 | SET_FLAG(lsa->flags, | |
193 | OSPF_LSA_SELF_CHECKED); | |
194 | SET_FLAG(lsa->flags, OSPF_LSA_SELF); | |
195 | ospf_lsa_flush_schedule(ospf, lsa); | |
196 | } | |
197 | } | |
198 | } | |
199 | ||
200 | /* Originate each redistributed external route. */ | |
201 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) | |
202 | thread_add_event(master, | |
203 | ospf_external_lsa_originate_timer, | |
204 | ospf, type, NULL); | |
205 | thread_add_event(master, ospf_default_originate_timer, ospf, 0, | |
206 | NULL); | |
207 | ||
208 | /* update router-lsa's for each area */ | |
209 | ospf_router_lsa_update(ospf); | |
210 | ||
211 | /* update ospf_interface's */ | |
b5a8894d | 212 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(ospf->vrf_id), node, ifp)) |
d62a17ae | 213 | ospf_if_update(ospf, ifp); |
718e3744 | 214 | } |
718e3744 | 215 | } |
6b0655a2 | 216 | |
718e3744 | 217 | /* For OSPF area sort by area id. */ |
d62a17ae | 218 | static int ospf_area_id_cmp(struct ospf_area *a1, struct ospf_area *a2) |
718e3744 | 219 | { |
d62a17ae | 220 | if (ntohl(a1->area_id.s_addr) > ntohl(a2->area_id.s_addr)) |
221 | return 1; | |
222 | if (ntohl(a1->area_id.s_addr) < ntohl(a2->area_id.s_addr)) | |
223 | return -1; | |
224 | return 0; | |
718e3744 | 225 | } |
226 | ||
227 | /* Allocate new ospf structure. */ | |
b5a8894d | 228 | static struct ospf *ospf_new(u_short instance, const char *name) |
718e3744 | 229 | { |
d62a17ae | 230 | int i; |
b5a8894d | 231 | struct vrf *vrf = NULL; |
718e3744 | 232 | |
d62a17ae | 233 | struct ospf *new = XCALLOC(MTYPE_OSPF_TOP, sizeof(struct ospf)); |
718e3744 | 234 | |
d62a17ae | 235 | new->instance = instance; |
236 | new->router_id.s_addr = htonl(0); | |
237 | new->router_id_static.s_addr = htonl(0); | |
718e3744 | 238 | |
b5a8894d CS |
239 | if (name) { |
240 | new->vrf_id = VRF_UNKNOWN; | |
241 | /* Freed in ospf_finish_final */ | |
242 | new->name = XSTRDUP(MTYPE_OSPF_TOP, name); | |
243 | vrf = vrf_lookup_by_name(new->name); | |
244 | if (IS_DEBUG_OSPF_EVENT) | |
245 | zlog_debug("%s: Create new ospf instance with vrf_name %s vrf_id %d", | |
246 | __PRETTY_FUNCTION__, name, new->vrf_id); | |
247 | if (vrf) | |
248 | ospf_vrf_link(new, vrf); | |
249 | } else { | |
250 | new->vrf_id = VRF_DEFAULT; | |
251 | vrf = vrf_lookup_by_id(VRF_DEFAULT); | |
252 | ospf_vrf_link(new, vrf); | |
253 | } | |
254 | ospf_zebra_vrf_register(new); | |
255 | ||
d62a17ae | 256 | new->abr_type = OSPF_ABR_DEFAULT; |
257 | new->oiflist = list_new(); | |
258 | new->vlinks = list_new(); | |
259 | new->areas = list_new(); | |
260 | new->areas->cmp = (int (*)(void *, void *))ospf_area_id_cmp; | |
261 | new->networks = route_table_init(); | |
262 | new->nbr_nbma = route_table_init(); | |
718e3744 | 263 | |
d62a17ae | 264 | new->lsdb = ospf_lsdb_new(); |
718e3744 | 265 | |
d62a17ae | 266 | new->default_originate = DEFAULT_ORIGINATE_NONE; |
718e3744 | 267 | |
d62a17ae | 268 | new->passive_interface_default = OSPF_IF_ACTIVE; |
4ba4fc85 | 269 | |
d62a17ae | 270 | new->new_external_route = route_table_init(); |
271 | new->old_external_route = route_table_init(); | |
272 | new->external_lsas = route_table_init(); | |
273 | ||
274 | new->stub_router_startup_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
275 | new->stub_router_shutdown_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
276 | new->stub_router_admin_set = OSPF_STUB_ROUTER_ADMINISTRATIVE_UNSET; | |
277 | ||
278 | /* Distribute parameter init. */ | |
279 | for (i = 0; i <= ZEBRA_ROUTE_MAX; i++) { | |
280 | new->dtag[i] = 0; | |
281 | } | |
282 | new->default_metric = -1; | |
283 | new->ref_bandwidth = OSPF_DEFAULT_REF_BANDWIDTH; | |
284 | ||
285 | /* LSA timers */ | |
286 | new->min_ls_interval = OSPF_MIN_LS_INTERVAL; | |
287 | new->min_ls_arrival = OSPF_MIN_LS_ARRIVAL; | |
288 | ||
289 | /* SPF timer value init. */ | |
290 | new->spf_delay = OSPF_SPF_DELAY_DEFAULT; | |
291 | new->spf_holdtime = OSPF_SPF_HOLDTIME_DEFAULT; | |
292 | new->spf_max_holdtime = OSPF_SPF_MAX_HOLDTIME_DEFAULT; | |
293 | new->spf_hold_multiplier = 1; | |
294 | ||
295 | /* MaxAge init. */ | |
296 | new->maxage_delay = OSPF_LSA_MAXAGE_REMOVE_DELAY_DEFAULT; | |
297 | new->maxage_lsa = route_table_init(); | |
298 | new->t_maxage_walker = NULL; | |
299 | thread_add_timer(master, ospf_lsa_maxage_walker, new, | |
300 | OSPF_LSA_MAXAGE_CHECK_INTERVAL, &new->t_maxage_walker); | |
301 | ||
302 | /* Distance table init. */ | |
303 | new->distance_table = route_table_init(); | |
304 | ||
305 | new->lsa_refresh_queue.index = 0; | |
306 | new->lsa_refresh_interval = OSPF_LSA_REFRESH_INTERVAL_DEFAULT; | |
307 | new->t_lsa_refresher = NULL; | |
308 | thread_add_timer(master, ospf_lsa_refresh_walker, new, | |
309 | new->lsa_refresh_interval, &new->t_lsa_refresher); | |
310 | new->lsa_refresher_started = monotime(NULL); | |
311 | ||
e7503eab | 312 | if ((ospf_sock_init(new)) < 0) { |
d62a17ae | 313 | zlog_err( |
314 | "ospf_new: fatal error: ospf_sock_init was unable to open " | |
315 | "a socket"); | |
316 | exit(1); | |
317 | } | |
318 | if ((new->ibuf = stream_new(OSPF_MAX_PACKET_SIZE + 1)) == NULL) { | |
319 | zlog_err( | |
320 | "ospf_new: fatal error: stream_new(%u) failed allocating ibuf", | |
321 | OSPF_MAX_PACKET_SIZE + 1); | |
322 | exit(1); | |
323 | } | |
324 | new->t_read = NULL; | |
325 | thread_add_read(master, ospf_read, new, new->fd, &new->t_read); | |
326 | new->oi_write_q = list_new(); | |
327 | new->write_oi_count = OSPF_WRITE_INTERFACE_COUNT_DEFAULT; | |
328 | ||
329 | /* Enable "log-adjacency-changes" */ | |
8efe88ea | 330 | #if DFLT_OSPF_LOG_ADJACENCY_CHANGES |
d62a17ae | 331 | SET_FLAG(new->config, OSPF_LOG_ADJACENCY_CHANGES); |
8efe88ea | 332 | #endif |
3e7c8d04 | 333 | |
d62a17ae | 334 | QOBJ_REG(new, ospf); |
ae19c240 | 335 | |
d62a17ae | 336 | return new; |
718e3744 | 337 | } |
338 | ||
d62a17ae | 339 | struct ospf *ospf_lookup_instance(u_short instance) |
7c8ff89e | 340 | { |
d62a17ae | 341 | struct ospf *ospf; |
342 | struct listnode *node, *nnode; | |
7c8ff89e | 343 | |
d62a17ae | 344 | if (listcount(om->ospf) == 0) |
345 | return NULL; | |
7c8ff89e | 346 | |
d62a17ae | 347 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) |
348 | if ((ospf->instance == 0 && instance == 0) | |
349 | || (ospf->instance && instance | |
350 | && ospf->instance == instance)) | |
351 | return ospf; | |
7c8ff89e | 352 | |
d62a17ae | 353 | return NULL; |
7c8ff89e DS |
354 | } |
355 | ||
d62a17ae | 356 | static int ospf_is_ready(struct ospf *ospf) |
52c62ab8 | 357 | { |
d62a17ae | 358 | /* OSPF must be on and Router-ID must be configured. */ |
359 | if (!ospf || ospf->router_id.s_addr == 0) | |
360 | return 0; | |
361 | ||
362 | return 1; | |
52c62ab8 JAG |
363 | } |
364 | ||
d62a17ae | 365 | static void ospf_add(struct ospf *ospf) |
020709f9 | 366 | { |
d62a17ae | 367 | listnode_add(om->ospf, ospf); |
020709f9 | 368 | } |
718e3744 | 369 | |
d62a17ae | 370 | static void ospf_delete(struct ospf *ospf) |
020709f9 | 371 | { |
d62a17ae | 372 | listnode_delete(om->ospf, ospf); |
020709f9 | 373 | } |
68980084 | 374 | |
b5a8894d CS |
375 | struct ospf *ospf_lookup_by_inst_name(u_short instance, const char *name) |
376 | { | |
377 | struct ospf *ospf = NULL; | |
378 | struct listnode *node, *nnode; | |
379 | ||
380 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) { | |
381 | if ((ospf->instance == instance) && | |
382 | ((ospf->name == NULL && name == NULL) || | |
383 | (ospf->name && name && strcmp(ospf->name, name) == 0))) | |
384 | return ospf; | |
385 | } | |
386 | return NULL; | |
387 | } | |
388 | ||
389 | struct ospf *ospf_get(u_short instance, const char *name) | |
020709f9 | 390 | { |
d62a17ae | 391 | struct ospf *ospf; |
020709f9 | 392 | |
b5a8894d CS |
393 | /* vrf name provided call inst and name based api |
394 | * in case of no name pass default ospf instance */ | |
395 | if (name) | |
396 | ospf = ospf_lookup_by_inst_name(instance, name); | |
397 | else | |
398 | ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT); | |
399 | ||
d62a17ae | 400 | if (ospf == NULL) { |
b5a8894d | 401 | ospf = ospf_new(instance, name); |
d62a17ae | 402 | ospf_add(ospf); |
7c8ff89e | 403 | |
d62a17ae | 404 | if (ospf->router_id_static.s_addr == 0) |
405 | ospf_router_id_update(ospf); | |
7c8ff89e | 406 | |
d62a17ae | 407 | ospf_opaque_type11_lsa_init(ospf); |
408 | } | |
7c8ff89e | 409 | |
d62a17ae | 410 | return ospf; |
7c8ff89e DS |
411 | } |
412 | ||
d62a17ae | 413 | struct ospf *ospf_get_instance(u_short instance) |
7c8ff89e | 414 | { |
d62a17ae | 415 | struct ospf *ospf; |
7c8ff89e | 416 | |
d62a17ae | 417 | ospf = ospf_lookup_instance(instance); |
418 | if (ospf == NULL) { | |
b5a8894d | 419 | ospf = ospf_new(instance, NULL /* VRF_DEFAULT*/); |
d62a17ae | 420 | ospf_add(ospf); |
020709f9 | 421 | |
b5a8894d CS |
422 | if (ospf->router_id_static.s_addr == 0) { |
423 | if (vrf_lookup_by_id(ospf->vrf_id)) | |
424 | ospf_router_id_update(ospf); | |
425 | else { | |
426 | if (IS_DEBUG_OSPF_EVENT) | |
427 | zlog_debug("%s: ospf VRF (id %d) is not active yet, skip router id update" | |
428 | , __PRETTY_FUNCTION__, | |
429 | ospf->vrf_id); | |
430 | } | |
d62a17ae | 431 | ospf_router_id_update(ospf); |
b5a8894d | 432 | } |
718e3744 | 433 | |
d62a17ae | 434 | ospf_opaque_type11_lsa_init(ospf); |
435 | } | |
68980084 | 436 | |
d62a17ae | 437 | return ospf; |
718e3744 | 438 | } |
6b0655a2 | 439 | |
b5a8894d CS |
440 | struct ospf *ospf_lookup_by_vrf_id(vrf_id_t vrf_id) |
441 | { | |
442 | struct vrf *vrf = NULL; | |
443 | ||
444 | vrf = vrf_lookup_by_id(vrf_id); | |
445 | if (!vrf) | |
446 | return NULL; | |
447 | return (vrf->info) ? (struct ospf *)vrf->info : NULL; | |
448 | ||
449 | } | |
450 | ||
43b8d1d8 CS |
451 | /* It should only be used when processing incoming info update from zebra. |
452 | * Other situations, it is not sufficient to lookup the ospf instance by | |
453 | * vrf_name only without using the instance number. | |
454 | */ | |
455 | static struct ospf *ospf_lookup_by_name(const char *vrf_name) | |
b5a8894d CS |
456 | { |
457 | struct ospf *ospf = NULL; | |
458 | struct listnode *node, *nnode; | |
459 | ||
460 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) | |
43b8d1d8 CS |
461 | if ((ospf->name == NULL && vrf_name == NULL) |
462 | || (ospf->name && vrf_name && | |
463 | strcmp(ospf->name, vrf_name) == 0)) | |
b5a8894d CS |
464 | return ospf; |
465 | return NULL; | |
466 | } | |
467 | ||
c9c93d50 | 468 | /* Handle the second half of deferred shutdown. This is called either |
469 | * from the deferred-shutdown timer thread, or directly through | |
470 | * ospf_deferred_shutdown_check. | |
88d6cf37 | 471 | * |
472 | * Function is to cleanup G-R state, if required then call ospf_finish_final | |
473 | * to complete shutdown of this ospf instance. Possibly exit if the | |
474 | * whole process is being shutdown and this was the last OSPF instance. | |
475 | */ | |
d62a17ae | 476 | static void ospf_deferred_shutdown_finish(struct ospf *ospf) |
477 | { | |
478 | ospf->stub_router_shutdown_time = OSPF_STUB_ROUTER_UNCONFIGURED; | |
479 | OSPF_TIMER_OFF(ospf->t_deferred_shutdown); | |
480 | ||
481 | ospf_finish_final(ospf); | |
482 | ||
483 | /* *ospf is now invalid */ | |
88d6cf37 | 484 | |
d62a17ae | 485 | /* ospfd being shut-down? If so, was this the last ospf instance? */ |
486 | if (CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN) | |
487 | && (listcount(om->ospf) == 0)) { | |
488 | exit(0); | |
489 | } | |
490 | ||
491 | return; | |
88d6cf37 | 492 | } |
493 | ||
494 | /* Timer thread for G-R */ | |
d62a17ae | 495 | static int ospf_deferred_shutdown_timer(struct thread *t) |
88d6cf37 | 496 | { |
d62a17ae | 497 | struct ospf *ospf = THREAD_ARG(t); |
498 | ||
499 | ospf_deferred_shutdown_finish(ospf); | |
500 | ||
501 | return 0; | |
88d6cf37 | 502 | } |
503 | ||
c9c93d50 | 504 | /* Check whether deferred-shutdown must be scheduled, otherwise call |
88d6cf37 | 505 | * down directly into second-half of instance shutdown. |
506 | */ | |
d62a17ae | 507 | static void ospf_deferred_shutdown_check(struct ospf *ospf) |
508 | { | |
509 | unsigned long timeout; | |
510 | struct listnode *ln; | |
511 | struct ospf_area *area; | |
512 | ||
513 | /* deferred shutdown already running? */ | |
514 | if (ospf->t_deferred_shutdown) | |
515 | return; | |
516 | ||
517 | /* Should we try push out max-metric LSAs? */ | |
518 | if (ospf->stub_router_shutdown_time != OSPF_STUB_ROUTER_UNCONFIGURED) { | |
519 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, ln, area)) { | |
520 | SET_FLAG(area->stub_router_state, | |
521 | OSPF_AREA_ADMIN_STUB_ROUTED); | |
522 | ||
523 | if (!CHECK_FLAG(area->stub_router_state, | |
524 | OSPF_AREA_IS_STUB_ROUTED)) | |
525 | ospf_router_lsa_update_area(area); | |
526 | } | |
527 | timeout = ospf->stub_router_shutdown_time; | |
528 | } else { | |
529 | /* No timer needed */ | |
530 | ospf_deferred_shutdown_finish(ospf); | |
531 | return; | |
532 | } | |
533 | ||
534 | OSPF_TIMER_ON(ospf->t_deferred_shutdown, ospf_deferred_shutdown_timer, | |
535 | timeout); | |
536 | return; | |
88d6cf37 | 537 | } |
6b0655a2 | 538 | |
88d6cf37 | 539 | /* Shut down the entire process */ |
d62a17ae | 540 | void ospf_terminate(void) |
541 | { | |
542 | struct ospf *ospf; | |
543 | struct listnode *node, *nnode; | |
544 | ||
545 | /* shutdown already in progress */ | |
546 | if (CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN)) | |
547 | return; | |
548 | ||
549 | SET_FLAG(om->options, OSPF_MASTER_SHUTDOWN); | |
550 | ||
551 | /* exit immediately if OSPF not actually running */ | |
552 | if (listcount(om->ospf) == 0) | |
553 | exit(0); | |
554 | ||
555 | bfd_gbl_exit(); | |
556 | for (ALL_LIST_ELEMENTS(om->ospf, node, nnode, ospf)) | |
557 | ospf_finish(ospf); | |
558 | ||
559 | /* Deliberately go back up, hopefully to thread scheduler, as | |
560 | * One or more ospf_finish()'s may have deferred shutdown to a timer | |
561 | * thread | |
562 | */ | |
563 | zclient_stop(zclient); | |
564 | zclient_free(zclient); | |
8879bd22 RW |
565 | |
566 | frr_fini(); | |
d62a17ae | 567 | } |
568 | ||
569 | void ospf_finish(struct ospf *ospf) | |
570 | { | |
571 | /* let deferred shutdown decide */ | |
572 | ospf_deferred_shutdown_check(ospf); | |
573 | ||
574 | /* if ospf_deferred_shutdown returns, then ospf_finish_final is | |
575 | * deferred to expiry of G-S timer thread. Return back up, hopefully | |
576 | * to thread scheduler. | |
577 | */ | |
578 | return; | |
88d6cf37 | 579 | } |
580 | ||
581 | /* Final cleanup of ospf instance */ | |
d62a17ae | 582 | static void ospf_finish_final(struct ospf *ospf) |
718e3744 | 583 | { |
d62a17ae | 584 | struct route_node *rn; |
585 | struct ospf_nbr_nbma *nbr_nbma; | |
586 | struct ospf_lsa *lsa; | |
587 | struct interface *ifp; | |
588 | struct ospf_interface *oi; | |
589 | struct ospf_area *area; | |
590 | struct ospf_vl_data *vl_data; | |
591 | struct listnode *node, *nnode; | |
592 | int i; | |
593 | u_short instance = 0; | |
b5a8894d | 594 | struct vrf *vrf = NULL; |
7c8ff89e | 595 | |
d62a17ae | 596 | QOBJ_UNREG(ospf); |
7c8ff89e | 597 | |
d62a17ae | 598 | ospf_opaque_type11_lsa_term(ospf); |
953cde65 | 599 | |
d62a17ae | 600 | /* be nice if this worked, but it doesn't */ |
601 | /*ospf_flush_self_originated_lsas_now (ospf);*/ | |
953cde65 | 602 | |
d62a17ae | 603 | /* Unregister redistribution */ |
604 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
605 | struct list *red_list; | |
606 | struct ospf_redist *red; | |
718e3744 | 607 | |
d62a17ae | 608 | red_list = ospf->redist[i]; |
609 | if (!red_list) | |
610 | continue; | |
718e3744 | 611 | |
d62a17ae | 612 | for (ALL_LIST_ELEMENTS(red_list, node, nnode, red)) |
613 | ospf_redistribute_unset(ospf, i, red->instance); | |
614 | } | |
615 | ospf_redistribute_default_unset(ospf); | |
718e3744 | 616 | |
d62a17ae | 617 | for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) |
618 | ospf_remove_vls_through_area(ospf, area); | |
718e3744 | 619 | |
d62a17ae | 620 | for (ALL_LIST_ELEMENTS(ospf->vlinks, node, nnode, vl_data)) |
621 | ospf_vl_delete(ospf, vl_data); | |
718e3744 | 622 | |
d62a17ae | 623 | list_delete(ospf->vlinks); |
718e3744 | 624 | |
d62a17ae | 625 | /* Remove any ospf interface config params */ |
b5a8894d | 626 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(ospf->vrf_id), node, ifp)) { |
d62a17ae | 627 | struct ospf_if_params *params; |
718e3744 | 628 | |
d62a17ae | 629 | params = IF_DEF_PARAMS(ifp); |
630 | if (OSPF_IF_PARAM_CONFIGURED(params, if_area)) | |
631 | UNSET_IF_PARAM(params, if_area); | |
718e3744 | 632 | } |
718e3744 | 633 | |
d62a17ae | 634 | /* Reset interface. */ |
635 | for (ALL_LIST_ELEMENTS(ospf->oiflist, node, nnode, oi)) | |
636 | ospf_if_free(oi); | |
718e3744 | 637 | |
b5a8894d CS |
638 | /* De-Register VRF */ |
639 | ospf_zebra_vrf_deregister(ospf); | |
640 | ||
d62a17ae | 641 | /* Clear static neighbors */ |
642 | for (rn = route_top(ospf->nbr_nbma); rn; rn = route_next(rn)) | |
643 | if ((nbr_nbma = rn->info)) { | |
644 | OSPF_POLL_TIMER_OFF(nbr_nbma->t_poll); | |
718e3744 | 645 | |
d62a17ae | 646 | if (nbr_nbma->nbr) { |
647 | nbr_nbma->nbr->nbr_nbma = NULL; | |
648 | nbr_nbma->nbr = NULL; | |
649 | } | |
650 | ||
651 | if (nbr_nbma->oi) { | |
652 | listnode_delete(nbr_nbma->oi->nbr_nbma, | |
653 | nbr_nbma); | |
654 | nbr_nbma->oi = NULL; | |
655 | } | |
656 | ||
657 | XFREE(MTYPE_OSPF_NEIGHBOR_STATIC, nbr_nbma); | |
658 | } | |
659 | ||
660 | route_table_finish(ospf->nbr_nbma); | |
661 | ||
662 | /* Clear networks and Areas. */ | |
663 | for (rn = route_top(ospf->networks); rn; rn = route_next(rn)) { | |
664 | struct ospf_network *network; | |
665 | ||
666 | if ((network = rn->info) != NULL) { | |
667 | ospf_network_free(ospf, network); | |
668 | rn->info = NULL; | |
669 | route_unlock_node(rn); | |
670 | } | |
91e6a0e5 | 671 | } |
7f586094 | 672 | route_table_finish(ospf->networks); |
718e3744 | 673 | |
d62a17ae | 674 | for (ALL_LIST_ELEMENTS(ospf->areas, node, nnode, area)) { |
675 | listnode_delete(ospf->areas, area); | |
676 | ospf_area_free(area); | |
677 | } | |
718e3744 | 678 | |
d62a17ae | 679 | /* Cancel all timers. */ |
680 | OSPF_TIMER_OFF(ospf->t_external_lsa); | |
681 | OSPF_TIMER_OFF(ospf->t_spf_calc); | |
682 | OSPF_TIMER_OFF(ospf->t_ase_calc); | |
683 | OSPF_TIMER_OFF(ospf->t_maxage); | |
684 | OSPF_TIMER_OFF(ospf->t_maxage_walker); | |
685 | OSPF_TIMER_OFF(ospf->t_abr_task); | |
686 | OSPF_TIMER_OFF(ospf->t_asbr_check); | |
687 | OSPF_TIMER_OFF(ospf->t_distribute_update); | |
688 | OSPF_TIMER_OFF(ospf->t_lsa_refresher); | |
689 | OSPF_TIMER_OFF(ospf->t_read); | |
690 | OSPF_TIMER_OFF(ospf->t_write); | |
691 | OSPF_TIMER_OFF(ospf->t_opaque_lsa_self); | |
692 | ||
693 | close(ospf->fd); | |
694 | stream_free(ospf->ibuf); | |
695 | ||
696 | LSDB_LOOP(OPAQUE_AS_LSDB(ospf), rn, lsa) | |
697 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); | |
698 | LSDB_LOOP(EXTERNAL_LSDB(ospf), rn, lsa) | |
699 | ospf_discard_from_db(ospf, ospf->lsdb, lsa); | |
700 | ||
701 | ospf_lsdb_delete_all(ospf->lsdb); | |
702 | ospf_lsdb_free(ospf->lsdb); | |
703 | ||
704 | for (rn = route_top(ospf->maxage_lsa); rn; rn = route_next(rn)) { | |
705 | struct ospf_lsa *lsa; | |
706 | ||
707 | if ((lsa = rn->info) != NULL) { | |
708 | ospf_lsa_unlock(&lsa); | |
709 | rn->info = NULL; | |
710 | } | |
711 | route_unlock_node(rn); | |
712 | } | |
713 | route_table_finish(ospf->maxage_lsa); | |
714 | ||
715 | if (ospf->old_table) | |
716 | ospf_route_table_free(ospf->old_table); | |
717 | if (ospf->new_table) { | |
b5a8894d | 718 | ospf_route_delete(ospf, ospf->new_table); |
d62a17ae | 719 | ospf_route_table_free(ospf->new_table); |
720 | } | |
721 | if (ospf->old_rtrs) | |
722 | ospf_rtrs_free(ospf->old_rtrs); | |
723 | if (ospf->new_rtrs) | |
724 | ospf_rtrs_free(ospf->new_rtrs); | |
725 | if (ospf->new_external_route) { | |
b5a8894d | 726 | ospf_route_delete(ospf, ospf->new_external_route); |
d62a17ae | 727 | ospf_route_table_free(ospf->new_external_route); |
728 | } | |
729 | if (ospf->old_external_route) { | |
b5a8894d | 730 | ospf_route_delete(ospf, ospf->old_external_route); |
d62a17ae | 731 | ospf_route_table_free(ospf->old_external_route); |
732 | } | |
733 | if (ospf->external_lsas) { | |
734 | ospf_ase_external_lsas_finish(ospf->external_lsas); | |
735 | } | |
718e3744 | 736 | |
d62a17ae | 737 | list_delete(ospf->areas); |
7f586094 CS |
738 | list_delete(ospf->oi_write_q); |
739 | list_delete(ospf->oiflist); | |
d62a17ae | 740 | |
741 | for (i = ZEBRA_ROUTE_SYSTEM; i <= ZEBRA_ROUTE_MAX; i++) { | |
742 | struct list *ext_list; | |
743 | struct listnode *node; | |
744 | struct ospf_external *ext; | |
745 | ||
746 | ext_list = om->external[i]; | |
747 | if (!ext_list) | |
748 | continue; | |
749 | ||
750 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) { | |
751 | if (ext->external_info) | |
752 | for (rn = route_top(ext->external_info); rn; | |
753 | rn = route_next(rn)) { | |
754 | if (rn->info == NULL) | |
755 | continue; | |
756 | ||
757 | XFREE(MTYPE_OSPF_EXTERNAL_INFO, | |
758 | rn->info); | |
759 | rn->info = NULL; | |
760 | route_unlock_node(rn); | |
761 | } | |
762 | } | |
763 | } | |
718e3744 | 764 | |
d62a17ae | 765 | ospf_distance_reset(ospf); |
766 | route_table_finish(ospf->distance_table); | |
7c8ff89e | 767 | |
d62a17ae | 768 | if (!CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN)) |
769 | instance = ospf->instance; | |
718e3744 | 770 | |
d62a17ae | 771 | ospf_delete(ospf); |
7c8ff89e | 772 | |
b5a8894d CS |
773 | if (ospf->name) { |
774 | vrf = vrf_lookup_by_name(ospf->name); | |
775 | if (vrf) | |
776 | ospf_vrf_unlink(ospf, vrf); | |
777 | XFREE(MTYPE_OSPF_TOP, ospf->name); | |
778 | } else { | |
779 | vrf = vrf_lookup_by_id(VRF_DEFAULT); | |
780 | if (vrf) | |
781 | ospf_vrf_unlink(ospf, vrf); | |
782 | } | |
783 | ||
d62a17ae | 784 | XFREE(MTYPE_OSPF_TOP, ospf); |
7c8ff89e | 785 | |
d62a17ae | 786 | if (!CHECK_FLAG(om->options, OSPF_MASTER_SHUTDOWN)) |
787 | ospf_get_instance(instance); | |
718e3744 | 788 | } |
789 | ||
6b0655a2 | 790 | |
718e3744 | 791 | /* allocate new OSPF Area object */ |
d62a17ae | 792 | static struct ospf_area *ospf_area_new(struct ospf *ospf, |
793 | struct in_addr area_id) | |
718e3744 | 794 | { |
d62a17ae | 795 | struct ospf_area *new; |
718e3744 | 796 | |
d62a17ae | 797 | /* Allocate new config_network. */ |
798 | new = XCALLOC(MTYPE_OSPF_AREA, sizeof(struct ospf_area)); | |
718e3744 | 799 | |
d62a17ae | 800 | new->ospf = ospf; |
718e3744 | 801 | |
d62a17ae | 802 | new->area_id = area_id; |
803 | new->area_id_fmt = OSPF_AREA_ID_FMT_DOTTEDQUAD; | |
718e3744 | 804 | |
d62a17ae | 805 | new->external_routing = OSPF_AREA_DEFAULT; |
806 | new->default_cost = 1; | |
807 | new->auth_type = OSPF_AUTH_NULL; | |
718e3744 | 808 | |
d62a17ae | 809 | /* New LSDB init. */ |
810 | new->lsdb = ospf_lsdb_new(); | |
718e3744 | 811 | |
d62a17ae | 812 | /* Self-originated LSAs initialize. */ |
813 | new->router_lsa_self = NULL; | |
718e3744 | 814 | |
d62a17ae | 815 | ospf_opaque_type10_lsa_init(new); |
718e3744 | 816 | |
d62a17ae | 817 | new->oiflist = list_new(); |
818 | new->ranges = route_table_init(); | |
718e3744 | 819 | |
d62a17ae | 820 | if (area_id.s_addr == OSPF_AREA_BACKBONE) |
821 | ospf->backbone = new; | |
822 | ||
823 | return new; | |
718e3744 | 824 | } |
825 | ||
d62a17ae | 826 | static void ospf_area_free(struct ospf_area *area) |
718e3744 | 827 | { |
d62a17ae | 828 | struct route_node *rn; |
829 | struct ospf_lsa *lsa; | |
830 | ||
831 | /* Free LSDBs. */ | |
832 | LSDB_LOOP(ROUTER_LSDB(area), rn, lsa) | |
833 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
834 | LSDB_LOOP(NETWORK_LSDB(area), rn, lsa) | |
835 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
836 | LSDB_LOOP(SUMMARY_LSDB(area), rn, lsa) | |
837 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
838 | LSDB_LOOP(ASBR_SUMMARY_LSDB(area), rn, lsa) | |
839 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
68980084 | 840 | |
d62a17ae | 841 | LSDB_LOOP(NSSA_LSDB(area), rn, lsa) |
842 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
843 | LSDB_LOOP(OPAQUE_AREA_LSDB(area), rn, lsa) | |
844 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
845 | LSDB_LOOP(OPAQUE_LINK_LSDB(area), rn, lsa) | |
846 | ospf_discard_from_db(area->ospf, area->lsdb, lsa); | |
718e3744 | 847 | |
7f586094 | 848 | ospf_opaque_type10_lsa_term(area); |
d62a17ae | 849 | ospf_lsdb_delete_all(area->lsdb); |
850 | ospf_lsdb_free(area->lsdb); | |
718e3744 | 851 | |
d62a17ae | 852 | ospf_lsa_unlock(&area->router_lsa_self); |
718e3744 | 853 | |
d62a17ae | 854 | route_table_finish(area->ranges); |
855 | list_delete(area->oiflist); | |
718e3744 | 856 | |
d62a17ae | 857 | if (EXPORT_NAME(area)) |
858 | free(EXPORT_NAME(area)); | |
718e3744 | 859 | |
d62a17ae | 860 | if (IMPORT_NAME(area)) |
861 | free(IMPORT_NAME(area)); | |
718e3744 | 862 | |
d62a17ae | 863 | /* Cancel timer. */ |
864 | OSPF_TIMER_OFF(area->t_stub_router); | |
865 | OSPF_TIMER_OFF(area->t_opaque_lsa_self); | |
718e3744 | 866 | |
d62a17ae | 867 | if (OSPF_IS_AREA_BACKBONE(area)) |
868 | area->ospf->backbone = NULL; | |
869 | ||
870 | XFREE(MTYPE_OSPF_AREA, area); | |
718e3744 | 871 | } |
872 | ||
d62a17ae | 873 | void ospf_area_check_free(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 874 | { |
d62a17ae | 875 | struct ospf_area *area; |
718e3744 | 876 | |
d62a17ae | 877 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
878 | if (area && listcount(area->oiflist) == 0 && area->ranges->top == NULL | |
879 | && area->shortcut_configured == OSPF_SHORTCUT_DEFAULT | |
880 | && area->external_routing == OSPF_AREA_DEFAULT | |
881 | && area->no_summary == 0 && area->default_cost == 1 | |
882 | && EXPORT_NAME(area) == NULL && IMPORT_NAME(area) == NULL | |
883 | && area->auth_type == OSPF_AUTH_NULL) { | |
884 | listnode_delete(ospf->areas, area); | |
885 | ospf_area_free(area); | |
886 | } | |
718e3744 | 887 | } |
888 | ||
d62a17ae | 889 | struct ospf_area *ospf_area_get(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 890 | { |
d62a17ae | 891 | struct ospf_area *area; |
892 | ||
893 | area = ospf_area_lookup_by_area_id(ospf, area_id); | |
894 | if (!area) { | |
895 | area = ospf_area_new(ospf, area_id); | |
896 | listnode_add_sort(ospf->areas, area); | |
897 | ospf_check_abr_status(ospf); | |
898 | if (ospf->stub_router_admin_set | |
899 | == OSPF_STUB_ROUTER_ADMINISTRATIVE_SET) { | |
900 | SET_FLAG(area->stub_router_state, | |
901 | OSPF_AREA_ADMIN_STUB_ROUTED); | |
902 | } | |
903 | } | |
718e3744 | 904 | |
d62a17ae | 905 | return area; |
718e3744 | 906 | } |
907 | ||
d62a17ae | 908 | struct ospf_area *ospf_area_lookup_by_area_id(struct ospf *ospf, |
909 | struct in_addr area_id) | |
718e3744 | 910 | { |
d62a17ae | 911 | struct ospf_area *area; |
912 | struct listnode *node; | |
718e3744 | 913 | |
d62a17ae | 914 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) |
915 | if (IPV4_ADDR_SAME(&area->area_id, &area_id)) | |
916 | return area; | |
718e3744 | 917 | |
d62a17ae | 918 | return NULL; |
718e3744 | 919 | } |
920 | ||
d62a17ae | 921 | void ospf_area_add_if(struct ospf_area *area, struct ospf_interface *oi) |
718e3744 | 922 | { |
d62a17ae | 923 | listnode_add(area->oiflist, oi); |
718e3744 | 924 | } |
925 | ||
d62a17ae | 926 | void ospf_area_del_if(struct ospf_area *area, struct ospf_interface *oi) |
718e3744 | 927 | { |
d62a17ae | 928 | listnode_delete(area->oiflist, oi); |
718e3744 | 929 | } |
930 | ||
52c62ab8 | 931 | |
d62a17ae | 932 | static void add_ospf_interface(struct connected *co, struct ospf_area *area) |
953cde65 | 933 | { |
d62a17ae | 934 | struct ospf_interface *oi; |
953cde65 | 935 | |
d62a17ae | 936 | oi = ospf_if_new(area->ospf, co->ifp, co->address); |
937 | oi->connected = co; | |
953cde65 | 938 | |
d62a17ae | 939 | oi->area = area; |
953cde65 | 940 | |
d62a17ae | 941 | oi->params = ospf_lookup_if_params(co->ifp, oi->address->u.prefix4); |
942 | oi->output_cost = ospf_if_get_output_cost(oi); | |
953cde65 | 943 | |
d62a17ae | 944 | /* Relate ospf interface to ospf instance. */ |
945 | oi->ospf = area->ospf; | |
953cde65 | 946 | |
d62a17ae | 947 | /* update network type as interface flag */ |
948 | /* If network type is specified previously, | |
949 | skip network type setting. */ | |
950 | oi->type = IF_DEF_PARAMS(co->ifp)->type; | |
953cde65 | 951 | |
d62a17ae | 952 | /* Add pseudo neighbor. */ |
953 | ospf_nbr_self_reset(oi, oi->ospf->router_id); | |
953cde65 | 954 | |
d62a17ae | 955 | ospf_area_add_if(oi->area, oi); |
52c62ab8 | 956 | |
d62a17ae | 957 | /* |
958 | * if router_id is not configured, dont bring up | |
959 | * interfaces. | |
960 | * ospf_router_id_update() will call ospf_if_update | |
961 | * whenever r-id is configured instead. | |
962 | */ | |
963 | if ((area->ospf->router_id.s_addr != 0) && if_is_operative(co->ifp)) | |
964 | ospf_if_up(oi); | |
953cde65 JT |
965 | } |
966 | ||
967 | static void update_redistributed(struct ospf *ospf, int add_to_ospf) | |
968 | { | |
d62a17ae | 969 | struct route_node *rn; |
970 | struct external_info *ei; | |
971 | struct ospf_external *ext; | |
972 | ||
b5a8894d | 973 | if (ospf_is_type_redistributed(ospf, ZEBRA_ROUTE_CONNECT, 0)) |
d62a17ae | 974 | if ((ext = ospf_external_lookup(ZEBRA_ROUTE_CONNECT, 0)) |
975 | && EXTERNAL_INFO(ext)) { | |
976 | for (rn = route_top(EXTERNAL_INFO(ext)); rn; | |
977 | rn = route_next(rn)) { | |
978 | if ((ei = rn->info) != NULL) { | |
979 | if (add_to_ospf) { | |
980 | if (ospf_external_info_find_lsa( | |
981 | ospf, &ei->p)) | |
982 | if (!ospf_distribute_check_connected( | |
983 | ospf, ei)) | |
984 | ospf_external_lsa_flush( | |
985 | ospf, | |
986 | ei->type, | |
987 | &ei->p, | |
988 | ei->ifindex /*, ei->nexthop */); | |
989 | } else { | |
990 | if (!ospf_external_info_find_lsa( | |
991 | ospf, &ei->p)) | |
992 | if (ospf_distribute_check_connected( | |
993 | ospf, ei)) | |
994 | ospf_external_lsa_originate( | |
995 | ospf, | |
996 | ei); | |
997 | } | |
998 | } | |
999 | } | |
1000 | } | |
953cde65 JT |
1001 | } |
1002 | ||
718e3744 | 1003 | /* Config network statement related functions. */ |
d62a17ae | 1004 | static struct ospf_network *ospf_network_new(struct in_addr area_id) |
718e3744 | 1005 | { |
d62a17ae | 1006 | struct ospf_network *new; |
1007 | new = XCALLOC(MTYPE_OSPF_NETWORK, sizeof(struct ospf_network)); | |
718e3744 | 1008 | |
d62a17ae | 1009 | new->area_id = area_id; |
1010 | new->area_id_fmt = OSPF_AREA_ID_FMT_DOTTEDQUAD; | |
1011 | ||
1012 | return new; | |
718e3744 | 1013 | } |
1014 | ||
d62a17ae | 1015 | static void ospf_network_free(struct ospf *ospf, struct ospf_network *network) |
718e3744 | 1016 | { |
d62a17ae | 1017 | ospf_area_check_free(ospf, network->area_id); |
1018 | ospf_schedule_abr_task(ospf); | |
1019 | XFREE(MTYPE_OSPF_NETWORK, network); | |
718e3744 | 1020 | } |
1021 | ||
d62a17ae | 1022 | int ospf_network_set(struct ospf *ospf, struct prefix_ipv4 *p, |
1023 | struct in_addr area_id, int df) | |
718e3744 | 1024 | { |
d62a17ae | 1025 | struct ospf_network *network; |
1026 | struct ospf_area *area; | |
1027 | struct route_node *rn; | |
718e3744 | 1028 | |
d62a17ae | 1029 | rn = route_node_get(ospf->networks, (struct prefix *)p); |
1030 | if (rn->info) { | |
1031 | /* There is already same network statement. */ | |
1032 | route_unlock_node(rn); | |
1033 | return 0; | |
1034 | } | |
718e3744 | 1035 | |
d62a17ae | 1036 | rn->info = network = ospf_network_new(area_id); |
1037 | network->area_id_fmt = df; | |
1038 | area = ospf_area_get(ospf, area_id); | |
1039 | ospf_area_display_format_set(ospf, area, df); | |
718e3744 | 1040 | |
d62a17ae | 1041 | /* Run network config now. */ |
1042 | ospf_network_run((struct prefix *)p, area); | |
718e3744 | 1043 | |
d62a17ae | 1044 | /* Update connected redistribute. */ |
1045 | update_redistributed(ospf, 1); /* interfaces possibly added */ | |
718e3744 | 1046 | |
d62a17ae | 1047 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1048 | |
d62a17ae | 1049 | return 1; |
718e3744 | 1050 | } |
1051 | ||
d62a17ae | 1052 | int ospf_network_unset(struct ospf *ospf, struct prefix_ipv4 *p, |
1053 | struct in_addr area_id) | |
718e3744 | 1054 | { |
d62a17ae | 1055 | struct route_node *rn; |
1056 | struct ospf_network *network; | |
1057 | struct listnode *node, *nnode; | |
1058 | struct ospf_interface *oi; | |
718e3744 | 1059 | |
d62a17ae | 1060 | rn = route_node_lookup(ospf->networks, (struct prefix *)p); |
1061 | if (rn == NULL) | |
1062 | return 0; | |
718e3744 | 1063 | |
d62a17ae | 1064 | network = rn->info; |
1065 | route_unlock_node(rn); | |
1066 | if (!IPV4_ADDR_SAME(&area_id, &network->area_id)) | |
1067 | return 0; | |
718e3744 | 1068 | |
d62a17ae | 1069 | ospf_network_free(ospf, rn->info); |
1070 | rn->info = NULL; | |
1071 | route_unlock_node(rn); /* initial reference */ | |
718e3744 | 1072 | |
30c0daa4 | 1073 | /* Find interfaces that are not configured already. */ |
d62a17ae | 1074 | for (ALL_LIST_ELEMENTS(ospf->oiflist, node, nnode, oi)) { |
30c0daa4 JAG |
1075 | |
1076 | if (oi->type == OSPF_IFTYPE_VIRTUALLINK) | |
1077 | continue; | |
1078 | ||
1079 | ospf_network_run_subnet(ospf, oi->connected, NULL, NULL); | |
d62a17ae | 1080 | } |
953cde65 | 1081 | |
d62a17ae | 1082 | /* Update connected redistribute. */ |
1083 | update_redistributed(ospf, 0); /* interfaces possibly removed */ | |
1084 | ospf_area_check_free(ospf, area_id); | |
1085 | ||
1086 | return 1; | |
953cde65 JT |
1087 | } |
1088 | ||
52c62ab8 JAG |
1089 | /* Ensure there's an OSPF instance, as "ip ospf area" enabled OSPF means |
1090 | * there might not be any 'router ospf' config. | |
1091 | * | |
1092 | * Otherwise, doesn't do anything different to ospf_if_update for now | |
1093 | */ | |
b5a8894d | 1094 | void ospf_interface_area_set(struct ospf *ospf, struct interface *ifp) |
953cde65 | 1095 | { |
b5a8894d CS |
1096 | if (!ospf) |
1097 | return; | |
d62a17ae | 1098 | |
1099 | ospf_if_update(ospf, ifp); | |
1100 | /* if_update does a update_redistributed */ | |
1101 | ||
1102 | return; | |
953cde65 JT |
1103 | } |
1104 | ||
b5a8894d | 1105 | void ospf_interface_area_unset(struct ospf *ospf, struct interface *ifp) |
953cde65 | 1106 | { |
d62a17ae | 1107 | struct route_node *rn_oi; |
953cde65 | 1108 | |
d62a17ae | 1109 | if (!ospf) |
1110 | return; /* Ospf not ready yet */ | |
953cde65 | 1111 | |
d62a17ae | 1112 | /* Find interfaces that may need to be removed. */ |
1113 | for (rn_oi = route_top(IF_OIFS(ifp)); rn_oi; | |
1114 | rn_oi = route_next(rn_oi)) { | |
b5a8894d | 1115 | struct ospf_interface *oi = NULL; |
d62a17ae | 1116 | |
1117 | if ((oi = rn_oi->info) == NULL) | |
1118 | continue; | |
1119 | ||
1120 | if (oi->type == OSPF_IFTYPE_VIRTUALLINK) | |
1121 | continue; | |
1122 | ||
1123 | ospf_network_run_subnet(ospf, oi->connected, NULL, NULL); | |
1124 | } | |
953cde65 | 1125 | |
d62a17ae | 1126 | /* Update connected redistribute. */ |
1127 | update_redistributed(ospf, 0); /* interfaces possibly removed */ | |
718e3744 | 1128 | } |
1129 | ||
570f7598 | 1130 | /* Check whether interface matches given network |
1131 | * returns: 1, true. 0, false | |
1132 | */ | |
d62a17ae | 1133 | static int ospf_network_match_iface(const struct connected *co, |
1134 | const struct prefix *net) | |
570f7598 | 1135 | { |
d62a17ae | 1136 | /* new approach: more elegant and conceptually clean */ |
1137 | return prefix_match_network_statement(net, CONNECTED_PREFIX(co)); | |
570f7598 | 1138 | } |
1139 | ||
d62a17ae | 1140 | static void ospf_update_interface_area(struct connected *co, |
1141 | struct ospf_area *area) | |
52c62ab8 | 1142 | { |
d62a17ae | 1143 | struct ospf_interface *oi = ospf_if_table_lookup(co->ifp, co->address); |
1144 | ||
1145 | /* nothing to be done case */ | |
1146 | if (oi && oi->area == area) { | |
1147 | return; | |
1148 | } | |
1149 | ||
1150 | if (oi) | |
1151 | ospf_if_free(oi); | |
1152 | ||
1153 | add_ospf_interface(co, area); | |
52c62ab8 JAG |
1154 | } |
1155 | ||
1156 | /* Run OSPF for the given subnet, taking into account the following | |
1157 | * possible sources of area configuration, in the given order of preference: | |
1158 | * | |
1159 | * - Whether there is interface+address specific area configuration | |
1160 | * - Whether there is a default area for the interface | |
1161 | * - Whether there is an area given as a parameter. | |
1162 | * - If no specific network prefix/area is supplied, whether there's | |
1163 | * a matching network configured. | |
1164 | */ | |
d62a17ae | 1165 | static void ospf_network_run_subnet(struct ospf *ospf, struct connected *co, |
1166 | struct prefix *p, | |
1167 | struct ospf_area *given_area) | |
1168 | { | |
1169 | struct ospf_interface *oi; | |
1170 | struct ospf_if_params *params; | |
1171 | struct ospf_area *area = NULL; | |
1172 | struct route_node *rn; | |
1173 | int configed = 0; | |
1174 | ||
1175 | if (CHECK_FLAG(co->flags, ZEBRA_IFA_SECONDARY)) | |
1176 | return; | |
1177 | ||
1178 | if (co->address->family != AF_INET) | |
1179 | return; | |
1180 | ||
1181 | /* Try determine the appropriate area for this interface + address | |
1182 | * Start by checking interface config | |
1183 | */ | |
1184 | params = ospf_lookup_if_params(co->ifp, co->address->u.prefix4); | |
1185 | if (params && OSPF_IF_PARAM_CONFIGURED(params, if_area)) | |
1186 | area = ospf_area_get(ospf, params->if_area); | |
1187 | else { | |
1188 | params = IF_DEF_PARAMS(co->ifp); | |
1189 | if (OSPF_IF_PARAM_CONFIGURED(params, if_area)) | |
1190 | area = ospf_area_get(ospf, params->if_area); | |
1191 | } | |
52c62ab8 | 1192 | |
d62a17ae | 1193 | /* If we've found an interface and/or addr specific area, then we're |
1194 | * done | |
1195 | */ | |
1196 | if (area) { | |
1197 | ospf_update_interface_area(co, area); | |
1198 | return; | |
1199 | } | |
718e3744 | 1200 | |
d62a17ae | 1201 | /* Otherwise, only remaining possibility is a matching network statement |
1202 | */ | |
1203 | if (p) { | |
1204 | assert(given_area != NULL); | |
1205 | ||
1206 | /* Which either was supplied as a parameter.. (e.g. cause a new | |
1207 | * network/area was just added).. | |
1208 | */ | |
1209 | if (p->family == co->address->family | |
1210 | && ospf_network_match_iface(co, p)) | |
1211 | ospf_update_interface_area(co, given_area); | |
1212 | ||
1213 | return; | |
1214 | } | |
1215 | ||
1216 | /* Else we have to search the existing network/area config to see | |
1217 | * if any match.. | |
1218 | */ | |
1219 | for (rn = route_top(ospf->networks); rn; rn = route_next(rn)) | |
1220 | if (rn->info != NULL && ospf_network_match_iface(co, &rn->p)) { | |
1221 | struct ospf_network *network = | |
1222 | (struct ospf_network *)rn->info; | |
1223 | area = ospf_area_get(ospf, network->area_id); | |
1224 | ospf_update_interface_area(co, area); | |
1225 | configed = 1; | |
1226 | } | |
1227 | ||
1228 | /* If the subnet isn't in any area, deconfigure */ | |
1229 | if (!configed && (oi = ospf_if_table_lookup(co->ifp, co->address))) | |
1230 | ospf_if_free(oi); | |
718e3744 | 1231 | } |
1232 | ||
d62a17ae | 1233 | static void ospf_network_run_interface(struct ospf *ospf, struct interface *ifp, |
1234 | struct prefix *p, | |
1235 | struct ospf_area *given_area) | |
718e3744 | 1236 | { |
d62a17ae | 1237 | struct listnode *cnode; |
1238 | struct connected *co; | |
1239 | ||
1240 | if (memcmp(ifp->name, "VLINK", 5) == 0) | |
1241 | return; | |
718e3744 | 1242 | |
d62a17ae | 1243 | /* Network prefix without area is nonsensical */ |
1244 | if (p) | |
1245 | assert(given_area != NULL); | |
1246 | ||
1247 | /* if interface prefix is match specified prefix, | |
1248 | then create socket and join multicast group. */ | |
1249 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, co)) | |
1250 | ospf_network_run_subnet(ospf, co, p, given_area); | |
718e3744 | 1251 | } |
1252 | ||
d62a17ae | 1253 | static void ospf_network_run(struct prefix *p, struct ospf_area *area) |
718e3744 | 1254 | { |
d62a17ae | 1255 | struct interface *ifp; |
1256 | struct listnode *node; | |
1257 | ||
1258 | /* Schedule Router ID Update. */ | |
1259 | if (area->ospf->router_id.s_addr == 0) | |
1260 | ospf_router_id_update(area->ospf); | |
718e3744 | 1261 | |
d62a17ae | 1262 | /* Get target interface. */ |
1263 | for (ALL_LIST_ELEMENTS_RO(om->iflist, node, ifp)) | |
1264 | ospf_network_run_interface(area->ospf, ifp, p, area); | |
718e3744 | 1265 | } |
1266 | ||
d62a17ae | 1267 | void ospf_ls_upd_queue_empty(struct ospf_interface *oi) |
1268 | { | |
1269 | struct route_node *rn; | |
1270 | struct listnode *node, *nnode; | |
1271 | struct list *lst; | |
1272 | struct ospf_lsa *lsa; | |
1273 | ||
1274 | /* empty ls update queue */ | |
1275 | for (rn = route_top(oi->ls_upd_queue); rn; rn = route_next(rn)) | |
1276 | if ((lst = (struct list *)rn->info)) { | |
1277 | for (ALL_LIST_ELEMENTS(lst, node, nnode, lsa)) | |
1278 | ospf_lsa_unlock(&lsa); /* oi->ls_upd_queue */ | |
97a69b31 | 1279 | list_delete(lst); |
d62a17ae | 1280 | rn->info = NULL; |
1281 | } | |
1282 | ||
1283 | /* remove update event */ | |
1284 | if (oi->t_ls_upd_event) { | |
1285 | thread_cancel(oi->t_ls_upd_event); | |
1286 | oi->t_ls_upd_event = NULL; | |
1287 | } | |
1288 | } | |
6b0655a2 | 1289 | |
d62a17ae | 1290 | void ospf_if_update(struct ospf *ospf, struct interface *ifp) |
718e3744 | 1291 | { |
43b8d1d8 | 1292 | |
d62a17ae | 1293 | if (!ospf) |
43b8d1d8 | 1294 | return; |
b5a8894d CS |
1295 | |
1296 | if (IS_DEBUG_OSPF_EVENT) | |
1297 | zlog_debug("%s: interface %s ifp->vrf_id %u ospf vrf %s vrf_id %u router_id %s", | |
1298 | __PRETTY_FUNCTION__, ifp->name, ifp->vrf_id, | |
1299 | ospf_vrf_id_to_name(ospf->vrf_id), ospf->vrf_id, | |
1300 | inet_ntoa(ospf->router_id)); | |
d62a17ae | 1301 | |
1302 | /* OSPF must be ready. */ | |
1303 | if (!ospf_is_ready(ospf)) | |
1304 | return; | |
1305 | ||
1306 | ospf_network_run_interface(ospf, ifp, NULL, NULL); | |
1307 | ||
1308 | /* Update connected redistribute. */ | |
1309 | update_redistributed(ospf, 1); | |
1310 | } | |
718e3744 | 1311 | |
d62a17ae | 1312 | void ospf_remove_vls_through_area(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1313 | { |
d62a17ae | 1314 | struct listnode *node, *nnode; |
1315 | struct ospf_vl_data *vl_data; | |
718e3744 | 1316 | |
d62a17ae | 1317 | for (ALL_LIST_ELEMENTS(ospf->vlinks, node, nnode, vl_data)) |
1318 | if (IPV4_ADDR_SAME(&vl_data->vl_area_id, &area->area_id)) | |
1319 | ospf_vl_delete(ospf, vl_data); | |
1320 | } | |
718e3744 | 1321 | |
718e3744 | 1322 | |
d62a17ae | 1323 | static const struct message ospf_area_type_msg[] = { |
1324 | {OSPF_AREA_DEFAULT, "Default"}, | |
1325 | {OSPF_AREA_STUB, "Stub"}, | |
1326 | {OSPF_AREA_NSSA, "NSSA"}, | |
1327 | {0}}; | |
718e3744 | 1328 | |
d62a17ae | 1329 | static void ospf_area_type_set(struct ospf_area *area, int type) |
1330 | { | |
1331 | struct listnode *node; | |
1332 | struct ospf_interface *oi; | |
1333 | ||
1334 | if (area->external_routing == type) { | |
1335 | if (IS_DEBUG_OSPF_EVENT) | |
1336 | zlog_debug("Area[%s]: Types are the same, ignored.", | |
1337 | inet_ntoa(area->area_id)); | |
1338 | return; | |
1339 | } | |
718e3744 | 1340 | |
d62a17ae | 1341 | area->external_routing = type; |
1342 | ||
1343 | if (IS_DEBUG_OSPF_EVENT) | |
1344 | zlog_debug("Area[%s]: Configured as %s", | |
1345 | inet_ntoa(area->area_id), | |
1346 | lookup_msg(ospf_area_type_msg, type, NULL)); | |
1347 | ||
1348 | switch (area->external_routing) { | |
1349 | case OSPF_AREA_DEFAULT: | |
1350 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1351 | if (oi->nbr_self != NULL) { | |
1352 | UNSET_FLAG(oi->nbr_self->options, | |
1353 | OSPF_OPTION_NP); | |
1354 | SET_FLAG(oi->nbr_self->options, OSPF_OPTION_E); | |
1355 | } | |
1356 | break; | |
1357 | case OSPF_AREA_STUB: | |
1358 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1359 | if (oi->nbr_self != NULL) { | |
1360 | if (IS_DEBUG_OSPF_EVENT) | |
1361 | zlog_debug( | |
1362 | "setting options on %s accordingly", | |
1363 | IF_NAME(oi)); | |
1364 | UNSET_FLAG(oi->nbr_self->options, | |
1365 | OSPF_OPTION_NP); | |
1366 | UNSET_FLAG(oi->nbr_self->options, | |
1367 | OSPF_OPTION_E); | |
1368 | if (IS_DEBUG_OSPF_EVENT) | |
1369 | zlog_debug("options set on %s: %x", | |
1370 | IF_NAME(oi), OPTIONS(oi)); | |
1371 | } | |
1372 | break; | |
1373 | case OSPF_AREA_NSSA: | |
1374 | for (ALL_LIST_ELEMENTS_RO(area->oiflist, node, oi)) | |
1375 | if (oi->nbr_self != NULL) { | |
1376 | zlog_debug( | |
1377 | "setting nssa options on %s accordingly", | |
1378 | IF_NAME(oi)); | |
1379 | UNSET_FLAG(oi->nbr_self->options, | |
1380 | OSPF_OPTION_E); | |
1381 | SET_FLAG(oi->nbr_self->options, OSPF_OPTION_NP); | |
1382 | zlog_debug("options set on %s: %x", IF_NAME(oi), | |
1383 | OPTIONS(oi)); | |
1384 | } | |
1385 | break; | |
1386 | default: | |
1387 | break; | |
1388 | } | |
1389 | ||
1390 | ospf_router_lsa_update_area(area); | |
1391 | ospf_schedule_abr_task(area->ospf); | |
718e3744 | 1392 | } |
1393 | ||
d62a17ae | 1394 | int ospf_area_shortcut_set(struct ospf *ospf, struct ospf_area *area, int mode) |
718e3744 | 1395 | { |
d62a17ae | 1396 | if (area->shortcut_configured == mode) |
1397 | return 0; | |
718e3744 | 1398 | |
d62a17ae | 1399 | area->shortcut_configured = mode; |
1400 | ospf_router_lsa_update_area(area); | |
1401 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1402 | |
d62a17ae | 1403 | ospf_area_check_free(ospf, area->area_id); |
718e3744 | 1404 | |
d62a17ae | 1405 | return 1; |
718e3744 | 1406 | } |
1407 | ||
d62a17ae | 1408 | int ospf_area_shortcut_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1409 | { |
d62a17ae | 1410 | area->shortcut_configured = OSPF_SHORTCUT_DEFAULT; |
1411 | ospf_router_lsa_update_area(area); | |
1412 | ospf_area_check_free(ospf, area->area_id); | |
1413 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1414 | |
d62a17ae | 1415 | return 1; |
718e3744 | 1416 | } |
1417 | ||
d62a17ae | 1418 | static int ospf_area_vlink_count(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1419 | { |
d62a17ae | 1420 | struct ospf_vl_data *vl; |
1421 | struct listnode *node; | |
1422 | int count = 0; | |
718e3744 | 1423 | |
d62a17ae | 1424 | for (ALL_LIST_ELEMENTS_RO(ospf->vlinks, node, vl)) |
1425 | if (IPV4_ADDR_SAME(&vl->vl_area_id, &area->area_id)) | |
1426 | count++; | |
718e3744 | 1427 | |
d62a17ae | 1428 | return count; |
718e3744 | 1429 | } |
1430 | ||
d62a17ae | 1431 | int ospf_area_display_format_set(struct ospf *ospf, struct ospf_area *area, |
1432 | int df) | |
86573dcb | 1433 | { |
d62a17ae | 1434 | area->area_id_fmt = df; |
86573dcb | 1435 | |
d62a17ae | 1436 | return 1; |
86573dcb QY |
1437 | } |
1438 | ||
d62a17ae | 1439 | int ospf_area_stub_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1440 | { |
d62a17ae | 1441 | struct ospf_area *area; |
718e3744 | 1442 | |
d62a17ae | 1443 | area = ospf_area_get(ospf, area_id); |
1444 | if (ospf_area_vlink_count(ospf, area)) | |
1445 | return 0; | |
718e3744 | 1446 | |
d62a17ae | 1447 | if (area->external_routing != OSPF_AREA_STUB) |
1448 | ospf_area_type_set(area, OSPF_AREA_STUB); | |
718e3744 | 1449 | |
d62a17ae | 1450 | return 1; |
718e3744 | 1451 | } |
1452 | ||
d62a17ae | 1453 | int ospf_area_stub_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1454 | { |
d62a17ae | 1455 | struct ospf_area *area; |
718e3744 | 1456 | |
d62a17ae | 1457 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1458 | if (area == NULL) | |
1459 | return 1; | |
718e3744 | 1460 | |
d62a17ae | 1461 | if (area->external_routing == OSPF_AREA_STUB) |
1462 | ospf_area_type_set(area, OSPF_AREA_DEFAULT); | |
718e3744 | 1463 | |
d62a17ae | 1464 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1465 | |
d62a17ae | 1466 | return 1; |
718e3744 | 1467 | } |
1468 | ||
d62a17ae | 1469 | int ospf_area_no_summary_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1470 | { |
d62a17ae | 1471 | struct ospf_area *area; |
718e3744 | 1472 | |
d62a17ae | 1473 | area = ospf_area_get(ospf, area_id); |
1474 | area->no_summary = 1; | |
718e3744 | 1475 | |
d62a17ae | 1476 | return 1; |
718e3744 | 1477 | } |
1478 | ||
d62a17ae | 1479 | int ospf_area_no_summary_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1480 | { |
d62a17ae | 1481 | struct ospf_area *area; |
718e3744 | 1482 | |
d62a17ae | 1483 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1484 | if (area == NULL) | |
1485 | return 0; | |
718e3744 | 1486 | |
d62a17ae | 1487 | area->no_summary = 0; |
1488 | ospf_area_check_free(ospf, area_id); | |
718e3744 | 1489 | |
d62a17ae | 1490 | return 1; |
718e3744 | 1491 | } |
1492 | ||
d62a17ae | 1493 | int ospf_area_nssa_set(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1494 | { |
d62a17ae | 1495 | struct ospf_area *area; |
718e3744 | 1496 | |
d62a17ae | 1497 | area = ospf_area_get(ospf, area_id); |
1498 | if (ospf_area_vlink_count(ospf, area)) | |
1499 | return 0; | |
718e3744 | 1500 | |
d62a17ae | 1501 | if (area->external_routing != OSPF_AREA_NSSA) { |
1502 | ospf_area_type_set(area, OSPF_AREA_NSSA); | |
1503 | ospf->anyNSSA++; | |
1504 | } | |
718e3744 | 1505 | |
d62a17ae | 1506 | /* set NSSA area defaults */ |
1507 | area->no_summary = 0; | |
1508 | area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; | |
1509 | area->NSSATranslatorState = OSPF_NSSA_TRANSLATE_DISABLED; | |
1510 | area->NSSATranslatorStabilityInterval = OSPF_NSSA_TRANS_STABLE_DEFAULT; | |
084c7844 | 1511 | |
d62a17ae | 1512 | return 1; |
718e3744 | 1513 | } |
1514 | ||
d62a17ae | 1515 | int ospf_area_nssa_unset(struct ospf *ospf, struct in_addr area_id) |
718e3744 | 1516 | { |
d62a17ae | 1517 | struct ospf_area *area; |
718e3744 | 1518 | |
d62a17ae | 1519 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1520 | if (area == NULL) | |
1521 | return 0; | |
718e3744 | 1522 | |
d62a17ae | 1523 | if (area->external_routing == OSPF_AREA_NSSA) { |
1524 | ospf->anyNSSA--; | |
1525 | ospf_area_type_set(area, OSPF_AREA_DEFAULT); | |
1526 | } | |
718e3744 | 1527 | |
d62a17ae | 1528 | ospf_area_check_free(ospf, area_id); |
718e3744 | 1529 | |
d62a17ae | 1530 | return 1; |
718e3744 | 1531 | } |
1532 | ||
d62a17ae | 1533 | int ospf_area_nssa_translator_role_set(struct ospf *ospf, |
1534 | struct in_addr area_id, int role) | |
718e3744 | 1535 | { |
d62a17ae | 1536 | struct ospf_area *area; |
718e3744 | 1537 | |
d62a17ae | 1538 | area = ospf_area_lookup_by_area_id(ospf, area_id); |
1539 | if (area == NULL) | |
1540 | return 0; | |
718e3744 | 1541 | |
d62a17ae | 1542 | area->NSSATranslatorRole = role; |
718e3744 | 1543 | |
d62a17ae | 1544 | return 1; |
718e3744 | 1545 | } |
1546 | ||
075e12f5 | 1547 | #if 0 |
4dadc291 | 1548 | /* XXX: unused? Leave for symmetry? */ |
1549 | static int | |
718e3744 | 1550 | ospf_area_nssa_translator_role_unset (struct ospf *ospf, |
1551 | struct in_addr area_id) | |
1552 | { | |
1553 | struct ospf_area *area; | |
1554 | ||
68980084 | 1555 | area = ospf_area_lookup_by_area_id (ospf, area_id); |
718e3744 | 1556 | if (area == NULL) |
1557 | return 0; | |
1558 | ||
084c7844 | 1559 | area->NSSATranslatorRole = OSPF_NSSA_ROLE_CANDIDATE; |
718e3744 | 1560 | |
68980084 | 1561 | ospf_area_check_free (ospf, area_id); |
718e3744 | 1562 | |
1563 | return 1; | |
1564 | } | |
075e12f5 | 1565 | #endif |
718e3744 | 1566 | |
d62a17ae | 1567 | int ospf_area_export_list_set(struct ospf *ospf, struct ospf_area *area, |
1568 | const char *list_name) | |
718e3744 | 1569 | { |
d62a17ae | 1570 | struct access_list *list; |
1571 | list = access_list_lookup(AFI_IP, list_name); | |
718e3744 | 1572 | |
d62a17ae | 1573 | EXPORT_LIST(area) = list; |
718e3744 | 1574 | |
d62a17ae | 1575 | if (EXPORT_NAME(area)) |
1576 | free(EXPORT_NAME(area)); | |
718e3744 | 1577 | |
d62a17ae | 1578 | EXPORT_NAME(area) = strdup(list_name); |
1579 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1580 | |
d62a17ae | 1581 | return 1; |
718e3744 | 1582 | } |
1583 | ||
d62a17ae | 1584 | int ospf_area_export_list_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1585 | { |
1586 | ||
d62a17ae | 1587 | EXPORT_LIST(area) = 0; |
718e3744 | 1588 | |
d62a17ae | 1589 | if (EXPORT_NAME(area)) |
1590 | free(EXPORT_NAME(area)); | |
718e3744 | 1591 | |
d62a17ae | 1592 | EXPORT_NAME(area) = NULL; |
718e3744 | 1593 | |
d62a17ae | 1594 | ospf_area_check_free(ospf, area->area_id); |
718e3744 | 1595 | |
d62a17ae | 1596 | ospf_schedule_abr_task(ospf); |
1597 | ||
1598 | return 1; | |
718e3744 | 1599 | } |
1600 | ||
d62a17ae | 1601 | int ospf_area_import_list_set(struct ospf *ospf, struct ospf_area *area, |
1602 | const char *name) | |
718e3744 | 1603 | { |
d62a17ae | 1604 | struct access_list *list; |
1605 | list = access_list_lookup(AFI_IP, name); | |
718e3744 | 1606 | |
d62a17ae | 1607 | IMPORT_LIST(area) = list; |
718e3744 | 1608 | |
d62a17ae | 1609 | if (IMPORT_NAME(area)) |
1610 | free(IMPORT_NAME(area)); | |
718e3744 | 1611 | |
d62a17ae | 1612 | IMPORT_NAME(area) = strdup(name); |
1613 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1614 | |
d62a17ae | 1615 | return 1; |
718e3744 | 1616 | } |
1617 | ||
d62a17ae | 1618 | int ospf_area_import_list_unset(struct ospf *ospf, struct ospf_area *area) |
718e3744 | 1619 | { |
d62a17ae | 1620 | IMPORT_LIST(area) = 0; |
718e3744 | 1621 | |
d62a17ae | 1622 | if (IMPORT_NAME(area)) |
1623 | free(IMPORT_NAME(area)); | |
718e3744 | 1624 | |
d62a17ae | 1625 | IMPORT_NAME(area) = NULL; |
1626 | ospf_area_check_free(ospf, area->area_id); | |
718e3744 | 1627 | |
d62a17ae | 1628 | ospf_schedule_abr_task(ospf); |
718e3744 | 1629 | |
d62a17ae | 1630 | return 1; |
718e3744 | 1631 | } |
1632 | ||
d62a17ae | 1633 | int ospf_timers_refresh_set(struct ospf *ospf, int interval) |
718e3744 | 1634 | { |
d62a17ae | 1635 | int time_left; |
718e3744 | 1636 | |
d62a17ae | 1637 | if (ospf->lsa_refresh_interval == interval) |
1638 | return 1; | |
718e3744 | 1639 | |
d62a17ae | 1640 | time_left = ospf->lsa_refresh_interval |
1641 | - (monotime(NULL) - ospf->lsa_refresher_started); | |
718e3744 | 1642 | |
d62a17ae | 1643 | if (time_left > interval) { |
1644 | OSPF_TIMER_OFF(ospf->t_lsa_refresher); | |
1645 | thread_add_timer(master, ospf_lsa_refresh_walker, ospf, | |
1646 | interval, &ospf->t_lsa_refresher); | |
1647 | } | |
1648 | ospf->lsa_refresh_interval = interval; | |
1649 | ||
1650 | return 1; | |
718e3744 | 1651 | } |
1652 | ||
d62a17ae | 1653 | int ospf_timers_refresh_unset(struct ospf *ospf) |
718e3744 | 1654 | { |
d62a17ae | 1655 | int time_left; |
718e3744 | 1656 | |
d62a17ae | 1657 | time_left = ospf->lsa_refresh_interval |
1658 | - (monotime(NULL) - ospf->lsa_refresher_started); | |
718e3744 | 1659 | |
d62a17ae | 1660 | if (time_left > OSPF_LSA_REFRESH_INTERVAL_DEFAULT) { |
1661 | OSPF_TIMER_OFF(ospf->t_lsa_refresher); | |
1662 | ospf->t_lsa_refresher = NULL; | |
1663 | thread_add_timer(master, ospf_lsa_refresh_walker, ospf, | |
1664 | OSPF_LSA_REFRESH_INTERVAL_DEFAULT, | |
1665 | &ospf->t_lsa_refresher); | |
1666 | } | |
718e3744 | 1667 | |
d62a17ae | 1668 | ospf->lsa_refresh_interval = OSPF_LSA_REFRESH_INTERVAL_DEFAULT; |
718e3744 | 1669 | |
d62a17ae | 1670 | return 1; |
718e3744 | 1671 | } |
1672 | ||
6b0655a2 | 1673 | |
d62a17ae | 1674 | static struct ospf_nbr_nbma *ospf_nbr_nbma_new(void) |
718e3744 | 1675 | { |
d62a17ae | 1676 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1677 | |
d62a17ae | 1678 | nbr_nbma = XCALLOC(MTYPE_OSPF_NEIGHBOR_STATIC, |
1679 | sizeof(struct ospf_nbr_nbma)); | |
718e3744 | 1680 | |
d62a17ae | 1681 | nbr_nbma->priority = OSPF_NEIGHBOR_PRIORITY_DEFAULT; |
1682 | nbr_nbma->v_poll = OSPF_POLL_INTERVAL_DEFAULT; | |
718e3744 | 1683 | |
d62a17ae | 1684 | return nbr_nbma; |
718e3744 | 1685 | } |
1686 | ||
d62a17ae | 1687 | static void ospf_nbr_nbma_free(struct ospf_nbr_nbma *nbr_nbma) |
718e3744 | 1688 | { |
d62a17ae | 1689 | XFREE(MTYPE_OSPF_NEIGHBOR_STATIC, nbr_nbma); |
718e3744 | 1690 | } |
1691 | ||
d62a17ae | 1692 | static void ospf_nbr_nbma_delete(struct ospf *ospf, |
1693 | struct ospf_nbr_nbma *nbr_nbma) | |
718e3744 | 1694 | { |
d62a17ae | 1695 | struct route_node *rn; |
1696 | struct prefix_ipv4 p; | |
718e3744 | 1697 | |
d62a17ae | 1698 | p.family = AF_INET; |
1699 | p.prefix = nbr_nbma->addr; | |
1700 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1701 | |
d62a17ae | 1702 | rn = route_node_lookup(ospf->nbr_nbma, (struct prefix *)&p); |
1703 | if (rn) { | |
1704 | ospf_nbr_nbma_free(rn->info); | |
1705 | rn->info = NULL; | |
1706 | route_unlock_node(rn); | |
1707 | route_unlock_node(rn); | |
1708 | } | |
718e3744 | 1709 | } |
1710 | ||
d62a17ae | 1711 | static void ospf_nbr_nbma_down(struct ospf_nbr_nbma *nbr_nbma) |
718e3744 | 1712 | { |
d62a17ae | 1713 | OSPF_TIMER_OFF(nbr_nbma->t_poll); |
718e3744 | 1714 | |
d62a17ae | 1715 | if (nbr_nbma->nbr) { |
1716 | nbr_nbma->nbr->nbr_nbma = NULL; | |
1717 | OSPF_NSM_EVENT_EXECUTE(nbr_nbma->nbr, NSM_KillNbr); | |
1718 | } | |
718e3744 | 1719 | |
d62a17ae | 1720 | if (nbr_nbma->oi) |
1721 | listnode_delete(nbr_nbma->oi->nbr_nbma, nbr_nbma); | |
718e3744 | 1722 | } |
1723 | ||
d62a17ae | 1724 | static void ospf_nbr_nbma_add(struct ospf_nbr_nbma *nbr_nbma, |
1725 | struct ospf_interface *oi) | |
718e3744 | 1726 | { |
d62a17ae | 1727 | struct ospf_neighbor *nbr; |
1728 | struct route_node *rn; | |
1729 | struct prefix p; | |
718e3744 | 1730 | |
d62a17ae | 1731 | if (oi->type != OSPF_IFTYPE_NBMA) |
1732 | return; | |
718e3744 | 1733 | |
d62a17ae | 1734 | if (nbr_nbma->nbr != NULL) |
1735 | return; | |
718e3744 | 1736 | |
d62a17ae | 1737 | if (IPV4_ADDR_SAME(&oi->nbr_self->address.u.prefix4, &nbr_nbma->addr)) |
1738 | return; | |
718e3744 | 1739 | |
d62a17ae | 1740 | nbr_nbma->oi = oi; |
1741 | listnode_add(oi->nbr_nbma, nbr_nbma); | |
718e3744 | 1742 | |
d62a17ae | 1743 | /* Get neighbor information from table. */ |
1744 | p.family = AF_INET; | |
1745 | p.prefixlen = IPV4_MAX_BITLEN; | |
1746 | p.u.prefix4 = nbr_nbma->addr; | |
718e3744 | 1747 | |
d62a17ae | 1748 | rn = route_node_get(oi->nbrs, (struct prefix *)&p); |
1749 | if (rn->info) { | |
1750 | nbr = rn->info; | |
1751 | nbr->nbr_nbma = nbr_nbma; | |
1752 | nbr_nbma->nbr = nbr; | |
718e3744 | 1753 | |
d62a17ae | 1754 | route_unlock_node(rn); |
1755 | } else { | |
1756 | nbr = rn->info = ospf_nbr_new(oi); | |
1757 | nbr->state = NSM_Down; | |
1758 | nbr->src = nbr_nbma->addr; | |
1759 | nbr->nbr_nbma = nbr_nbma; | |
1760 | nbr->priority = nbr_nbma->priority; | |
1761 | nbr->address = p; | |
718e3744 | 1762 | |
d62a17ae | 1763 | nbr_nbma->nbr = nbr; |
1764 | ||
1765 | OSPF_NSM_EVENT_EXECUTE(nbr, NSM_Start); | |
1766 | } | |
718e3744 | 1767 | } |
1768 | ||
d62a17ae | 1769 | void ospf_nbr_nbma_if_update(struct ospf *ospf, struct ospf_interface *oi) |
718e3744 | 1770 | { |
d62a17ae | 1771 | struct ospf_nbr_nbma *nbr_nbma; |
1772 | struct route_node *rn; | |
1773 | struct prefix_ipv4 p; | |
718e3744 | 1774 | |
d62a17ae | 1775 | if (oi->type != OSPF_IFTYPE_NBMA) |
1776 | return; | |
718e3744 | 1777 | |
d62a17ae | 1778 | for (rn = route_top(ospf->nbr_nbma); rn; rn = route_next(rn)) |
1779 | if ((nbr_nbma = rn->info)) | |
1780 | if (nbr_nbma->oi == NULL && nbr_nbma->nbr == NULL) { | |
1781 | p.family = AF_INET; | |
1782 | p.prefix = nbr_nbma->addr; | |
1783 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1784 | |
d62a17ae | 1785 | if (prefix_match(oi->address, |
1786 | (struct prefix *)&p)) | |
1787 | ospf_nbr_nbma_add(nbr_nbma, oi); | |
1788 | } | |
718e3744 | 1789 | } |
1790 | ||
d62a17ae | 1791 | struct ospf_nbr_nbma *ospf_nbr_nbma_lookup(struct ospf *ospf, |
1792 | struct in_addr nbr_addr) | |
718e3744 | 1793 | { |
d62a17ae | 1794 | struct route_node *rn; |
1795 | struct prefix_ipv4 p; | |
718e3744 | 1796 | |
d62a17ae | 1797 | p.family = AF_INET; |
1798 | p.prefix = nbr_addr; | |
1799 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1800 | |
d62a17ae | 1801 | rn = route_node_lookup(ospf->nbr_nbma, (struct prefix *)&p); |
1802 | if (rn) { | |
1803 | route_unlock_node(rn); | |
1804 | return rn->info; | |
1805 | } | |
1806 | return NULL; | |
718e3744 | 1807 | } |
1808 | ||
d62a17ae | 1809 | struct ospf_nbr_nbma *ospf_nbr_nbma_lookup_next(struct ospf *ospf, |
1810 | struct in_addr *addr, int first) | |
718e3744 | 1811 | { |
1812 | #if 0 | |
1813 | struct ospf_nbr_nbma *nbr_nbma; | |
52dc7ee6 | 1814 | struct listnode *node; |
718e3744 | 1815 | #endif |
1816 | ||
d62a17ae | 1817 | if (ospf == NULL) |
1818 | return NULL; | |
718e3744 | 1819 | |
1820 | #if 0 | |
1eb8ef25 | 1821 | for (ALL_LIST_ELEMENTS_RO (ospf->nbr_nbma, node, nbr_nbma)) |
718e3744 | 1822 | { |
718e3744 | 1823 | if (first) |
1824 | { | |
1825 | *addr = nbr_nbma->addr; | |
1826 | return nbr_nbma; | |
1827 | } | |
1828 | else if (ntohl (nbr_nbma->addr.s_addr) > ntohl (addr->s_addr)) | |
1829 | { | |
1830 | *addr = nbr_nbma->addr; | |
1831 | return nbr_nbma; | |
1832 | } | |
1833 | } | |
1834 | #endif | |
d62a17ae | 1835 | return NULL; |
718e3744 | 1836 | } |
1837 | ||
d62a17ae | 1838 | int ospf_nbr_nbma_set(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 1839 | { |
d62a17ae | 1840 | struct ospf_nbr_nbma *nbr_nbma; |
1841 | struct ospf_interface *oi; | |
1842 | struct prefix_ipv4 p; | |
1843 | struct route_node *rn; | |
1844 | struct listnode *node; | |
718e3744 | 1845 | |
d62a17ae | 1846 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
1847 | if (nbr_nbma) | |
1848 | return 0; | |
718e3744 | 1849 | |
d62a17ae | 1850 | nbr_nbma = ospf_nbr_nbma_new(); |
1851 | nbr_nbma->addr = nbr_addr; | |
718e3744 | 1852 | |
d62a17ae | 1853 | p.family = AF_INET; |
1854 | p.prefix = nbr_addr; | |
1855 | p.prefixlen = IPV4_MAX_BITLEN; | |
718e3744 | 1856 | |
d62a17ae | 1857 | rn = route_node_get(ospf->nbr_nbma, (struct prefix *)&p); |
1858 | if (rn->info) | |
1859 | route_unlock_node(rn); | |
1860 | rn->info = nbr_nbma; | |
718e3744 | 1861 | |
d62a17ae | 1862 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) { |
1863 | if (oi->type == OSPF_IFTYPE_NBMA) | |
1864 | if (prefix_match(oi->address, (struct prefix *)&p)) { | |
1865 | ospf_nbr_nbma_add(nbr_nbma, oi); | |
1866 | break; | |
1867 | } | |
1868 | } | |
718e3744 | 1869 | |
d62a17ae | 1870 | return 1; |
718e3744 | 1871 | } |
1872 | ||
d62a17ae | 1873 | int ospf_nbr_nbma_unset(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 1874 | { |
d62a17ae | 1875 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1876 | |
d62a17ae | 1877 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
1878 | if (nbr_nbma == NULL) | |
1879 | return 0; | |
718e3744 | 1880 | |
d62a17ae | 1881 | ospf_nbr_nbma_down(nbr_nbma); |
1882 | ospf_nbr_nbma_delete(ospf, nbr_nbma); | |
718e3744 | 1883 | |
d62a17ae | 1884 | return 1; |
718e3744 | 1885 | } |
1886 | ||
d62a17ae | 1887 | int ospf_nbr_nbma_priority_set(struct ospf *ospf, struct in_addr nbr_addr, |
1888 | u_char priority) | |
718e3744 | 1889 | { |
d62a17ae | 1890 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1891 | |
d62a17ae | 1892 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
1893 | if (nbr_nbma == NULL) | |
1894 | return 0; | |
718e3744 | 1895 | |
d62a17ae | 1896 | if (nbr_nbma->priority != priority) |
1897 | nbr_nbma->priority = priority; | |
718e3744 | 1898 | |
d62a17ae | 1899 | return 1; |
718e3744 | 1900 | } |
1901 | ||
d62a17ae | 1902 | int ospf_nbr_nbma_priority_unset(struct ospf *ospf, struct in_addr nbr_addr) |
718e3744 | 1903 | { |
d62a17ae | 1904 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1905 | |
d62a17ae | 1906 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
1907 | if (nbr_nbma == NULL) | |
1908 | return 0; | |
718e3744 | 1909 | |
d62a17ae | 1910 | if (nbr_nbma != OSPF_NEIGHBOR_PRIORITY_DEFAULT) |
1911 | nbr_nbma->priority = OSPF_NEIGHBOR_PRIORITY_DEFAULT; | |
718e3744 | 1912 | |
d62a17ae | 1913 | return 1; |
718e3744 | 1914 | } |
1915 | ||
d62a17ae | 1916 | int ospf_nbr_nbma_poll_interval_set(struct ospf *ospf, struct in_addr nbr_addr, |
1917 | unsigned int interval) | |
718e3744 | 1918 | { |
d62a17ae | 1919 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1920 | |
d62a17ae | 1921 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, nbr_addr); |
1922 | if (nbr_nbma == NULL) | |
1923 | return 0; | |
718e3744 | 1924 | |
d62a17ae | 1925 | if (nbr_nbma->v_poll != interval) { |
1926 | nbr_nbma->v_poll = interval; | |
1927 | if (nbr_nbma->oi && ospf_if_is_up(nbr_nbma->oi)) { | |
1928 | OSPF_TIMER_OFF(nbr_nbma->t_poll); | |
1929 | OSPF_POLL_TIMER_ON(nbr_nbma->t_poll, ospf_poll_timer, | |
1930 | nbr_nbma->v_poll); | |
1931 | } | |
718e3744 | 1932 | } |
718e3744 | 1933 | |
d62a17ae | 1934 | return 1; |
718e3744 | 1935 | } |
1936 | ||
d62a17ae | 1937 | int ospf_nbr_nbma_poll_interval_unset(struct ospf *ospf, struct in_addr addr) |
718e3744 | 1938 | { |
d62a17ae | 1939 | struct ospf_nbr_nbma *nbr_nbma; |
718e3744 | 1940 | |
d62a17ae | 1941 | nbr_nbma = ospf_nbr_nbma_lookup(ospf, addr); |
1942 | if (nbr_nbma == NULL) | |
1943 | return 0; | |
718e3744 | 1944 | |
d62a17ae | 1945 | if (nbr_nbma->v_poll != OSPF_POLL_INTERVAL_DEFAULT) |
1946 | nbr_nbma->v_poll = OSPF_POLL_INTERVAL_DEFAULT; | |
718e3744 | 1947 | |
d62a17ae | 1948 | return 1; |
718e3744 | 1949 | } |
1950 | ||
d62a17ae | 1951 | void ospf_master_init(struct thread_master *master) |
718e3744 | 1952 | { |
d62a17ae | 1953 | memset(&ospf_master, 0, sizeof(struct ospf_master)); |
020709f9 | 1954 | |
d62a17ae | 1955 | om = &ospf_master; |
1956 | om->ospf = list_new(); | |
1957 | om->master = master; | |
020709f9 | 1958 | } |
b5a8894d CS |
1959 | |
1960 | /* Link OSPF instance to VRF. */ | |
1961 | void ospf_vrf_link(struct ospf *ospf, struct vrf *vrf) | |
1962 | { | |
1963 | ospf->vrf_id = vrf->vrf_id; | |
1964 | if (vrf->info != (void *)ospf) | |
1965 | vrf->info = (void *)ospf; | |
1966 | } | |
1967 | ||
1968 | /* Unlink OSPF instance from VRF. */ | |
1969 | void ospf_vrf_unlink(struct ospf *ospf, struct vrf *vrf) | |
1970 | { | |
1971 | if (vrf->info == (void *)ospf) | |
1972 | vrf->info = NULL; | |
1973 | ospf->vrf_id = VRF_UNKNOWN; | |
1974 | } | |
1975 | ||
1976 | /* This is hook function for vrf create called as part of vrf_init */ | |
1977 | static int ospf_vrf_new(struct vrf *vrf) | |
1978 | { | |
1979 | if (IS_DEBUG_OSPF_EVENT) | |
1980 | zlog_debug("%s: VRF Created: %s(%d)", __PRETTY_FUNCTION__, | |
1981 | vrf->name, vrf->vrf_id); | |
1982 | ||
1983 | return 0; | |
1984 | } | |
1985 | ||
1986 | /* This is hook function for vrf delete call as part of vrf_init */ | |
1987 | static int ospf_vrf_delete(struct vrf *vrf) | |
1988 | { | |
1989 | if (IS_DEBUG_OSPF_EVENT) | |
1990 | zlog_debug("%s: VRF Deletion: %s(%d)", __PRETTY_FUNCTION__, | |
1991 | vrf->name, vrf->vrf_id); | |
1992 | ||
1993 | return 0; | |
1994 | } | |
1995 | ||
1996 | /* Enable OSPF VRF instance */ | |
1997 | static int ospf_vrf_enable(struct vrf *vrf) | |
1998 | { | |
1999 | struct ospf *ospf = NULL; | |
2000 | vrf_id_t old_vrf_id = VRF_DEFAULT; | |
2001 | ||
2002 | if (IS_DEBUG_OSPF_EVENT) | |
2003 | zlog_debug("%s: VRF %s id %d enabled", | |
2004 | __PRETTY_FUNCTION__, vrf->name, vrf->vrf_id); | |
2005 | ||
2006 | ospf = ospf_lookup_by_name(vrf->name); | |
2007 | if (ospf) { | |
2008 | old_vrf_id = ospf->vrf_id; | |
2009 | /* We have instance configured, link to VRF and make it "up". */ | |
2010 | ospf_vrf_link(ospf, vrf); | |
2011 | if (IS_DEBUG_OSPF_EVENT) | |
2012 | zlog_debug("%s: ospf linked to vrf %s vrf_id %d (old id %d)", | |
2013 | __PRETTY_FUNCTION__, vrf->name, ospf->vrf_id, | |
2014 | old_vrf_id); | |
2015 | ||
2016 | if (old_vrf_id != ospf->vrf_id) { | |
e7503eab CS |
2017 | if (ospfd_privs.change(ZPRIVS_RAISE)) { |
2018 | zlog_err("ospf_sock_init: could not raise privs, %s", | |
2019 | safe_strerror(errno)); | |
2020 | } | |
2021 | if (ospf_bind_vrfdevice(ospf, ospf->fd) < 0) | |
2022 | return 0; | |
2023 | if (ospfd_privs.change(ZPRIVS_LOWER)) { | |
2024 | zlog_err("ospf_sock_init: could not lower privs, %s", | |
2025 | safe_strerror(errno)); | |
2026 | } | |
2027 | ||
b5a8894d CS |
2028 | ospf->oi_running = 1; |
2029 | ospf_router_id_update(ospf); | |
2030 | } | |
2031 | } | |
2032 | ||
2033 | return 0; | |
2034 | } | |
2035 | ||
2036 | /* Disable OSPF VRF instance */ | |
2037 | static int ospf_vrf_disable(struct vrf *vrf) | |
2038 | { | |
2039 | struct ospf *ospf = NULL; | |
2040 | vrf_id_t old_vrf_id = VRF_UNKNOWN; | |
2041 | ||
2042 | if (vrf->vrf_id == VRF_DEFAULT) | |
2043 | return 0; | |
2044 | ||
2045 | if (IS_DEBUG_OSPF_EVENT) | |
2046 | zlog_debug("%s: VRF %s id %d disabled.", | |
2047 | __PRETTY_FUNCTION__, vrf->name, vrf->vrf_id); | |
2048 | ||
2049 | ospf = ospf_lookup_by_name(vrf->name); | |
2050 | if (ospf) { | |
2051 | old_vrf_id = ospf->vrf_id; | |
2052 | ||
2053 | /* We have instance configured, unlink | |
2054 | * from VRF and make it "down". | |
2055 | */ | |
2056 | ospf_vrf_unlink(ospf, vrf); | |
2057 | ospf->oi_running = 0; | |
2058 | if (IS_DEBUG_OSPF_EVENT) | |
2059 | zlog_debug("%s: ospf old_vrf_id %d unlinked", | |
2060 | __PRETTY_FUNCTION__, old_vrf_id); | |
2061 | } | |
2062 | ||
2063 | /* Note: This is a callback, the VRF will be deleted by the caller. */ | |
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | void ospf_vrf_init(void) | |
2068 | { | |
2069 | vrf_init(ospf_vrf_new, ospf_vrf_enable, | |
2070 | ospf_vrf_disable, ospf_vrf_delete); | |
2071 | } | |
2072 | ||
2073 | void ospf_vrf_terminate(void) | |
2074 | { | |
2075 | vrf_terminate(); | |
2076 | } | |
2077 | ||
2078 | const char *ospf_vrf_id_to_name(vrf_id_t vrf_id) | |
2079 | { | |
2080 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
2081 | ||
2082 | return vrf ? vrf->name : "NIL"; | |
2083 | } |