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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 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 | * | |
896014f4 DL |
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 | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "log.h" | |
24 | #include "memory.h" | |
25 | #include "prefix.h" | |
26 | #include "command.h" | |
27 | #include "vty.h" | |
28 | #include "routemap.h" | |
29 | #include "table.h" | |
30 | #include "plist.h" | |
31 | #include "thread.h" | |
508e53e2 | 32 | #include "linklist.h" |
718e3744 | 33 | |
508e53e2 | 34 | #include "ospf6_proto.h" |
35 | #include "ospf6_lsa.h" | |
36 | #include "ospf6_lsdb.h" | |
37 | #include "ospf6_route.h" | |
718e3744 | 38 | #include "ospf6_zebra.h" |
6452df09 | 39 | #include "ospf6_message.h" |
40 | ||
718e3744 | 41 | #include "ospf6_top.h" |
508e53e2 | 42 | #include "ospf6_area.h" |
6452df09 | 43 | #include "ospf6_interface.h" |
44 | #include "ospf6_neighbor.h" | |
508e53e2 | 45 | #include "ospf6_asbr.h" |
46 | #include "ospf6_intra.h" | |
6452df09 | 47 | #include "ospf6_flood.h" |
049207c3 | 48 | #include "ospf6d.h" |
718e3744 | 49 | |
508e53e2 | 50 | unsigned char conf_debug_ospf6_asbr = 0; |
718e3744 | 51 | |
f52d13cb | 52 | #define ZROUTE_NAME(x) zebra_route_string(x) |
508e53e2 | 53 | |
54 | /* AS External LSA origination */ | |
d62a17ae | 55 | static void ospf6_as_external_lsa_originate(struct ospf6_route *route) |
718e3744 | 56 | { |
d62a17ae | 57 | char buffer[OSPF6_MAX_LSASIZE]; |
58 | struct ospf6_lsa_header *lsa_header; | |
59 | struct ospf6_lsa *lsa; | |
60 | struct ospf6_external_info *info = route->route_option; | |
61 | ||
62 | struct ospf6_as_external_lsa *as_external_lsa; | |
63 | char buf[PREFIX2STR_BUFFER]; | |
64 | caddr_t p; | |
65 | ||
66 | if (IS_OSPF6_DEBUG_ASBR || IS_OSPF6_DEBUG_ORIGINATE(AS_EXTERNAL)) { | |
67 | prefix2str(&route->prefix, buf, sizeof(buf)); | |
68 | zlog_debug("Originate AS-External-LSA for %s", buf); | |
69 | } | |
70 | ||
71 | /* prepare buffer */ | |
72 | memset(buffer, 0, sizeof(buffer)); | |
73 | lsa_header = (struct ospf6_lsa_header *)buffer; | |
74 | as_external_lsa = (struct ospf6_as_external_lsa | |
75 | *)((caddr_t)lsa_header | |
76 | + sizeof(struct ospf6_lsa_header)); | |
77 | p = (caddr_t)((caddr_t)as_external_lsa | |
78 | + sizeof(struct ospf6_as_external_lsa)); | |
79 | ||
80 | /* Fill AS-External-LSA */ | |
81 | /* Metric type */ | |
82 | if (route->path.metric_type == 2) | |
83 | SET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_E); | |
84 | else | |
85 | UNSET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_E); | |
86 | ||
87 | /* forwarding address */ | |
88 | if (!IN6_IS_ADDR_UNSPECIFIED(&info->forwarding)) | |
89 | SET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F); | |
90 | else | |
91 | UNSET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F); | |
92 | ||
93 | /* external route tag */ | |
94 | if (info->tag) | |
95 | SET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T); | |
96 | else | |
97 | UNSET_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T); | |
98 | ||
99 | /* Set metric */ | |
100 | OSPF6_ASBR_METRIC_SET(as_external_lsa, route->path.cost); | |
101 | ||
102 | /* prefixlen */ | |
103 | as_external_lsa->prefix.prefix_length = route->prefix.prefixlen; | |
104 | ||
105 | /* PrefixOptions */ | |
106 | as_external_lsa->prefix.prefix_options = route->path.prefix_options; | |
107 | ||
108 | /* don't use refer LS-type */ | |
109 | as_external_lsa->prefix.prefix_refer_lstype = htons(0); | |
110 | ||
111 | /* set Prefix */ | |
112 | memcpy(p, &route->prefix.u.prefix6, | |
113 | OSPF6_PREFIX_SPACE(route->prefix.prefixlen)); | |
114 | ospf6_prefix_apply_mask(&as_external_lsa->prefix); | |
115 | p += OSPF6_PREFIX_SPACE(route->prefix.prefixlen); | |
116 | ||
117 | /* Forwarding address */ | |
118 | if (CHECK_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F)) { | |
119 | memcpy(p, &info->forwarding, sizeof(struct in6_addr)); | |
120 | p += sizeof(struct in6_addr); | |
121 | } | |
122 | ||
123 | /* External Route Tag */ | |
124 | if (CHECK_FLAG(as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T)) { | |
125 | route_tag_t network_order = htonl(info->tag); | |
126 | ||
127 | memcpy(p, &network_order, sizeof(network_order)); | |
128 | p += sizeof(network_order); | |
129 | } | |
130 | ||
131 | /* Fill LSA Header */ | |
132 | lsa_header->age = 0; | |
133 | lsa_header->type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
134 | lsa_header->id = route->path.origin.id; | |
135 | lsa_header->adv_router = ospf6->router_id; | |
136 | lsa_header->seqnum = | |
137 | ospf6_new_ls_seqnum(lsa_header->type, lsa_header->id, | |
138 | lsa_header->adv_router, ospf6->lsdb); | |
139 | lsa_header->length = htons((caddr_t)p - (caddr_t)lsa_header); | |
140 | ||
141 | /* LSA checksum */ | |
142 | ospf6_lsa_checksum(lsa_header); | |
143 | ||
144 | /* create LSA */ | |
145 | lsa = ospf6_lsa_create(lsa_header); | |
146 | ||
147 | /* Originate */ | |
148 | ospf6_lsa_originate_process(lsa, ospf6); | |
718e3744 | 149 | } |
150 | ||
d62a17ae | 151 | static route_tag_t ospf6_as_external_lsa_get_tag(struct ospf6_lsa *lsa) |
464015fa | 152 | { |
d62a17ae | 153 | struct ospf6_as_external_lsa *external; |
154 | ptrdiff_t tag_offset; | |
155 | route_tag_t network_order; | |
464015fa | 156 | |
d62a17ae | 157 | if (!lsa) |
158 | return 0; | |
464015fa | 159 | |
d62a17ae | 160 | external = (struct ospf6_as_external_lsa *)OSPF6_LSA_HEADER_END( |
161 | lsa->header); | |
464015fa | 162 | |
d62a17ae | 163 | if (!CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_T)) |
164 | return 0; | |
464015fa | 165 | |
d62a17ae | 166 | tag_offset = sizeof(*external) |
167 | + OSPF6_PREFIX_SPACE(external->prefix.prefix_length); | |
168 | if (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_F)) | |
169 | tag_offset += sizeof(struct in6_addr); | |
464015fa | 170 | |
d62a17ae | 171 | memcpy(&network_order, (caddr_t)external + tag_offset, |
172 | sizeof(network_order)); | |
173 | return ntohl(network_order); | |
464015fa | 174 | } |
6b0655a2 | 175 | |
064d4355 CS |
176 | void ospf6_asbr_update_route_ecmp_path(struct ospf6_route *old, |
177 | struct ospf6_route *route) | |
178 | { | |
179 | struct ospf6_route *old_route; | |
180 | struct ospf6_path *ecmp_path, *o_path = NULL; | |
181 | struct listnode *anode; | |
182 | struct listnode *nnode, *rnode, *rnext; | |
183 | struct ospf6_nexthop *nh, *rnh; | |
184 | char buf[PREFIX2STR_BUFFER]; | |
185 | bool route_found = false; | |
186 | ||
187 | for (old_route = old; old_route; old_route = old_route->next) { | |
188 | if (ospf6_route_is_same(old_route, route) && | |
189 | (old_route->path.type == route->path.type) && | |
190 | (old_route->path.cost == route->path.cost) && | |
191 | (old_route->path.u.cost_e2 == route->path.u.cost_e2)) { | |
192 | ||
193 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
194 | prefix2str(&old_route->prefix, buf, | |
195 | sizeof(buf)); | |
196 | zlog_debug("%s: old route %s path cost %u [%u]", | |
197 | __PRETTY_FUNCTION__, buf, | |
198 | old_route->path.cost, | |
199 | ospf6_route_is_same(old_route, | |
200 | route)); | |
201 | } | |
202 | route_found = true; | |
203 | /* check if this path exists already in | |
204 | * route->paths list, if so, replace nh_list | |
205 | * from asbr_entry. | |
206 | */ | |
207 | for (ALL_LIST_ELEMENTS_RO(old_route->paths, anode, | |
208 | o_path)) { | |
209 | if ((o_path->origin.id == route->path.origin.id) | |
210 | && (o_path->origin.adv_router == | |
211 | route->path.origin.adv_router)) | |
212 | break; | |
213 | } | |
214 | /* If path is not found in old_route paths's list, | |
215 | * add a new path to route paths list and merge | |
216 | * nexthops in route->path->nh_list. | |
217 | * Otherwise replace existing path's nh_list. | |
218 | */ | |
219 | if (o_path == NULL) { | |
220 | ecmp_path = ospf6_path_dup(&route->path); | |
221 | ||
222 | /* Add a nh_list to new ecmp path */ | |
223 | ospf6_copy_nexthops(ecmp_path->nh_list, | |
224 | route->nh_list); | |
225 | /* Merge nexthop to existing route's nh_list */ | |
226 | ospf6_route_merge_nexthops(old_route, route); | |
227 | ||
228 | /* Update RIB/FIB */ | |
229 | if (ospf6->route_table->hook_add) | |
230 | (*ospf6->route_table->hook_add) | |
231 | (old_route); | |
232 | ||
233 | /* Add the new path to route's path list */ | |
234 | listnode_add_sort(old_route->paths, ecmp_path); | |
235 | ||
236 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
237 | prefix2str(&route->prefix, buf, | |
238 | sizeof(buf)); | |
239 | zlog_debug("%s: route %s another path added with nh %u, Paths %u", | |
240 | __PRETTY_FUNCTION__, buf, | |
241 | listcount(ecmp_path->nh_list), | |
242 | old_route->paths ? | |
243 | listcount(old_route->paths) | |
244 | : 0); | |
245 | } | |
246 | } else { | |
247 | for (ALL_LIST_ELEMENTS_RO(o_path->nh_list, | |
248 | nnode, nh)) { | |
249 | for (ALL_LIST_ELEMENTS( | |
250 | old_route->nh_list, | |
251 | rnode, rnext, rnh)) { | |
252 | if (!ospf6_nexthop_is_same(rnh, | |
253 | nh)) | |
254 | continue; | |
255 | ||
256 | listnode_delete( | |
257 | old_route->nh_list, | |
258 | rnh); | |
259 | ospf6_nexthop_delete(rnh); | |
260 | } | |
261 | } | |
262 | list_delete_all_node(o_path->nh_list); | |
263 | ospf6_copy_nexthops(o_path->nh_list, | |
264 | route->nh_list); | |
265 | ||
266 | /* Merge nexthop to existing route's nh_list */ | |
267 | ospf6_route_merge_nexthops(old_route, | |
268 | route); | |
269 | ||
270 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
271 | prefix2str(&route->prefix, | |
272 | buf, sizeof(buf)); | |
273 | zlog_debug("%s: existing route %s with effective nh count %u", | |
274 | __PRETTY_FUNCTION__, buf, | |
275 | old_route->nh_list ? | |
276 | listcount(old_route->nh_list) | |
277 | : 0); | |
278 | } | |
279 | ||
280 | /* Update RIB/FIB */ | |
281 | if (ospf6->route_table->hook_add) | |
282 | (*ospf6->route_table->hook_add) | |
283 | (old_route); | |
284 | ||
285 | } | |
286 | /* Delete the new route its info added to existing | |
287 | * route. | |
288 | */ | |
289 | ospf6_route_delete(route); | |
290 | break; | |
291 | } | |
292 | } | |
293 | ||
294 | if (!route_found) { | |
295 | /* Add new route to existing node in ospf6 route table. */ | |
296 | ospf6_route_add(route, ospf6->route_table); | |
297 | } | |
298 | } | |
299 | ||
d62a17ae | 300 | void ospf6_asbr_lsa_add(struct ospf6_lsa *lsa) |
718e3744 | 301 | { |
d62a17ae | 302 | struct ospf6_as_external_lsa *external; |
303 | struct prefix asbr_id; | |
064d4355 CS |
304 | struct ospf6_route *asbr_entry, *route, *old; |
305 | struct ospf6_path *path; | |
d62a17ae | 306 | char buf[PREFIX2STR_BUFFER]; |
307 | ||
308 | external = (struct ospf6_as_external_lsa *)OSPF6_LSA_HEADER_END( | |
309 | lsa->header); | |
310 | ||
311 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
312 | zlog_debug("Calculate AS-External route for %s", lsa->name); | |
313 | ||
314 | if (lsa->header->adv_router == ospf6->router_id) { | |
315 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
316 | zlog_debug("Ignore self-originated AS-External-LSA"); | |
317 | return; | |
318 | } | |
319 | ||
320 | if (OSPF6_ASBR_METRIC(external) == OSPF_LS_INFINITY) { | |
321 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
322 | zlog_debug("Ignore LSA with LSInfinity Metric"); | |
323 | return; | |
324 | } | |
325 | ||
326 | if (CHECK_FLAG(external->prefix.prefix_options, | |
327 | OSPF6_PREFIX_OPTION_NU)) { | |
328 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
329 | zlog_debug("Ignore LSA with NU bit set Metric"); | |
330 | return; | |
331 | } | |
332 | ||
333 | ospf6_linkstate_prefix(lsa->header->adv_router, htonl(0), &asbr_id); | |
334 | asbr_entry = ospf6_route_lookup(&asbr_id, ospf6->brouter_table); | |
335 | if (asbr_entry == NULL | |
336 | || !CHECK_FLAG(asbr_entry->path.router_bits, OSPF6_ROUTER_BIT_E)) { | |
337 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
338 | prefix2str(&asbr_id, buf, sizeof(buf)); | |
339 | zlog_debug("ASBR entry not found: %s", buf); | |
340 | } | |
341 | return; | |
342 | } | |
343 | ||
344 | route = ospf6_route_create(); | |
345 | route->type = OSPF6_DEST_TYPE_NETWORK; | |
346 | route->prefix.family = AF_INET6; | |
347 | route->prefix.prefixlen = external->prefix.prefix_length; | |
348 | ospf6_prefix_in6_addr(&route->prefix.u.prefix6, &external->prefix); | |
349 | ||
350 | route->path.area_id = asbr_entry->path.area_id; | |
351 | route->path.origin.type = lsa->header->type; | |
352 | route->path.origin.id = lsa->header->id; | |
353 | route->path.origin.adv_router = lsa->header->adv_router; | |
354 | ||
355 | route->path.prefix_options = external->prefix.prefix_options; | |
356 | if (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_E)) { | |
357 | route->path.type = OSPF6_PATH_TYPE_EXTERNAL2; | |
358 | route->path.metric_type = 2; | |
359 | route->path.cost = asbr_entry->path.cost; | |
360 | route->path.u.cost_e2 = OSPF6_ASBR_METRIC(external); | |
361 | } else { | |
362 | route->path.type = OSPF6_PATH_TYPE_EXTERNAL1; | |
363 | route->path.metric_type = 1; | |
364 | route->path.cost = | |
365 | asbr_entry->path.cost + OSPF6_ASBR_METRIC(external); | |
366 | route->path.u.cost_e2 = 0; | |
367 | } | |
368 | ||
369 | route->path.tag = ospf6_as_external_lsa_get_tag(lsa); | |
370 | ||
371 | ospf6_route_copy_nexthops(route, asbr_entry); | |
372 | ||
064d4355 CS |
373 | path = ospf6_path_dup(&route->path); |
374 | ospf6_copy_nexthops(path->nh_list, asbr_entry->nh_list); | |
375 | listnode_add_sort(route->paths, path); | |
376 | ||
377 | ||
d62a17ae | 378 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { |
379 | prefix2str(&route->prefix, buf, sizeof(buf)); | |
064d4355 CS |
380 | zlog_debug("%s: AS-External %u route add %s cost %u(%u) nh %u", |
381 | __PRETTY_FUNCTION__, | |
382 | (route->path.type == OSPF6_PATH_TYPE_EXTERNAL1) | |
383 | ? 1 : 2, buf, route->path.cost, | |
384 | route->path.u.cost_e2, | |
385 | listcount(route->nh_list)); | |
386 | } | |
387 | ||
388 | old = ospf6_route_lookup(&route->prefix, ospf6->route_table); | |
389 | if (!old) { | |
390 | /* Add the new route to ospf6 instance route table. */ | |
391 | ospf6_route_add(route, ospf6->route_table); | |
392 | } else { | |
393 | /* RFC 2328 16.4 (6) | |
394 | * ECMP: Keep new equal preference path in current | |
395 | * route's path list, update zebra with new effective | |
396 | * list along with addition of ECMP path. | |
397 | */ | |
398 | ospf6_asbr_update_route_ecmp_path(old, route); | |
d62a17ae | 399 | } |
400 | ||
718e3744 | 401 | } |
402 | ||
d62a17ae | 403 | void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa) |
718e3744 | 404 | { |
d62a17ae | 405 | struct ospf6_as_external_lsa *external; |
406 | struct prefix prefix; | |
407 | struct ospf6_route *route, *nroute; | |
408 | char buf[PREFIX2STR_BUFFER]; | |
409 | ||
410 | external = (struct ospf6_as_external_lsa *)OSPF6_LSA_HEADER_END( | |
411 | lsa->header); | |
412 | ||
413 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
414 | zlog_debug("Withdraw AS-External route for %s", lsa->name); | |
415 | ||
416 | if (lsa->header->adv_router == ospf6->router_id) { | |
417 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) | |
418 | zlog_debug("Ignore self-originated AS-External-LSA"); | |
419 | return; | |
420 | } | |
421 | ||
422 | memset(&prefix, 0, sizeof(struct prefix)); | |
423 | prefix.family = AF_INET6; | |
424 | prefix.prefixlen = external->prefix.prefix_length; | |
425 | ospf6_prefix_in6_addr(&prefix.u.prefix6, &external->prefix); | |
426 | ||
427 | route = ospf6_route_lookup(&prefix, ospf6->route_table); | |
428 | if (route == NULL) { | |
429 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
430 | prefix2str(&prefix, buf, sizeof(buf)); | |
431 | zlog_debug("AS-External route %s not found", buf); | |
432 | } | |
433 | return; | |
434 | } | |
435 | ||
436 | for (ospf6_route_lock(route); | |
437 | route && ospf6_route_is_prefix(&prefix, route); route = nroute) { | |
438 | nroute = ospf6_route_next(route); | |
439 | if (route->type != OSPF6_DEST_TYPE_NETWORK) | |
440 | continue; | |
064d4355 CS |
441 | |
442 | /* Route has multiple ECMP paths remove, | |
443 | * matching path and update effective route's nh list. | |
444 | */ | |
445 | if (listcount(route->paths) > 1) { | |
446 | struct listnode *anode, *anext; | |
447 | struct listnode *nnode, *rnode, *rnext; | |
448 | struct ospf6_nexthop *nh, *rnh; | |
449 | struct ospf6_path *o_path; | |
450 | bool nh_updated = false; | |
451 | ||
452 | /* Iterate all paths of route to find maching with LSA | |
453 | * remove from route path list. If route->path is same, | |
454 | * replace from paths list. | |
455 | */ | |
456 | for (ALL_LIST_ELEMENTS(route->paths, anode, anext, | |
457 | o_path)) { | |
458 | if (o_path->origin.type != lsa->header->type) | |
459 | continue; | |
460 | if (o_path->origin.id != lsa->header->id) | |
461 | continue; | |
462 | if (o_path->origin.adv_router != | |
463 | lsa->header->adv_router) | |
464 | continue; | |
465 | ||
466 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
467 | prefix2str(&prefix, buf, sizeof(buf)); | |
468 | zlog_debug( | |
469 | "%s: route %s path found with nh %u", | |
470 | __PRETTY_FUNCTION__, buf, | |
471 | listcount(o_path->nh_list)); | |
472 | } | |
473 | ||
474 | /* Remove found path's nh_list from | |
475 | * the route's nh_list. | |
476 | */ | |
477 | for (ALL_LIST_ELEMENTS_RO(o_path->nh_list, | |
478 | nnode, nh)) { | |
479 | for (ALL_LIST_ELEMENTS(route->nh_list, | |
480 | rnode, rnext, rnh)) { | |
481 | if (!ospf6_nexthop_is_same(rnh, | |
482 | nh)) | |
483 | continue; | |
484 | listnode_delete(route->nh_list, | |
485 | rnh); | |
486 | ospf6_nexthop_delete(rnh); | |
487 | } | |
488 | } | |
489 | /* Delete the path from route's path list */ | |
490 | listnode_delete(route->paths, o_path); | |
491 | ospf6_path_free(o_path); | |
492 | nh_updated = true; | |
493 | } | |
494 | ||
495 | if (nh_updated) { | |
496 | /* Iterate all paths and merge nexthop, | |
497 | * unlesss any of the nexthop similar to | |
498 | * ones deleted as part of path deletion. | |
499 | */ | |
500 | ||
501 | for (ALL_LIST_ELEMENTS(route->paths, anode, | |
502 | anext, o_path)) { | |
503 | ospf6_merge_nexthops(route->nh_list, | |
504 | o_path->nh_list); | |
505 | } | |
506 | ||
507 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { | |
508 | prefix2str(&route->prefix, buf, | |
509 | sizeof(buf)); | |
510 | zlog_debug("%s: AS-External %u route %s update paths %u nh %u" | |
511 | , __PRETTY_FUNCTION__, | |
512 | (route->path.type == | |
513 | OSPF6_PATH_TYPE_EXTERNAL1) | |
514 | ? 1 : 2, buf, | |
515 | listcount(route->paths), | |
516 | listcount(route->nh_list)); | |
517 | } | |
518 | ||
519 | /* Update RIB/FIB w/ effective nh_list */ | |
520 | if (ospf6->route_table->hook_add) | |
521 | (*ospf6->route_table->hook_add)(route); | |
522 | ||
523 | /* route's path is similar to lsa header, | |
524 | * replace route's path with route's | |
525 | * paths list head. | |
526 | */ | |
527 | if (route->path.origin.id == lsa->header->id && | |
528 | route->path.origin.adv_router == | |
529 | lsa->header->adv_router) { | |
530 | struct ospf6_path *h_path; | |
531 | ||
532 | h_path = (struct ospf6_path *) | |
533 | listgetdata(listhead(route->paths)); | |
534 | route->path.origin.type = | |
535 | h_path->origin.type; | |
536 | route->path.origin.id = | |
537 | h_path->origin.id; | |
538 | route->path.origin.adv_router = | |
539 | h_path->origin.adv_router; | |
540 | } | |
541 | } | |
d62a17ae | 542 | continue; |
543 | ||
064d4355 CS |
544 | } else { |
545 | if (route->path.origin.type != lsa->header->type) | |
546 | continue; | |
547 | if (route->path.origin.id != lsa->header->id) | |
548 | continue; | |
549 | if (route->path.origin.adv_router != | |
550 | lsa->header->adv_router) | |
551 | continue; | |
552 | } | |
d62a17ae | 553 | if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)) { |
554 | prefix2str(&route->prefix, buf, sizeof(buf)); | |
064d4355 CS |
555 | zlog_debug("%s: AS-External %u route remove %s cost %u(%u) nh %u", |
556 | __PRETTY_FUNCTION__, | |
557 | route->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
558 | ? 1 : 2, buf, route->path.cost, | |
559 | route->path.u.cost_e2, | |
560 | listcount(route->nh_list)); | |
d62a17ae | 561 | } |
562 | ospf6_route_remove(route, ospf6->route_table); | |
563 | } | |
564 | if (route != NULL) | |
565 | ospf6_route_unlock(route); | |
718e3744 | 566 | } |
567 | ||
d62a17ae | 568 | void ospf6_asbr_lsentry_add(struct ospf6_route *asbr_entry) |
508e53e2 | 569 | { |
d62a17ae | 570 | struct ospf6_lsa *lsa; |
571 | u_int16_t type; | |
572 | u_int32_t router; | |
573 | ||
574 | if (!CHECK_FLAG(asbr_entry->flag, OSPF6_ROUTE_BEST)) { | |
575 | char buf[16]; | |
576 | inet_ntop(AF_INET, &ADV_ROUTER_IN_PREFIX(&asbr_entry->prefix), | |
577 | buf, sizeof(buf)); | |
578 | zlog_info("ignore non-best path: lsentry %s add", buf); | |
579 | return; | |
580 | } | |
581 | ||
582 | type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
583 | router = ospf6_linkstate_prefix_adv_router(&asbr_entry->prefix); | |
584 | for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, router, lsa)) { | |
585 | if (!OSPF6_LSA_IS_MAXAGE(lsa)) | |
586 | ospf6_asbr_lsa_add(lsa); | |
587 | } | |
508e53e2 | 588 | } |
589 | ||
d62a17ae | 590 | void ospf6_asbr_lsentry_remove(struct ospf6_route *asbr_entry) |
718e3744 | 591 | { |
d62a17ae | 592 | struct ospf6_lsa *lsa; |
593 | u_int16_t type; | |
594 | u_int32_t router; | |
595 | ||
596 | type = htons(OSPF6_LSTYPE_AS_EXTERNAL); | |
597 | router = ospf6_linkstate_prefix_adv_router(&asbr_entry->prefix); | |
598 | for (ALL_LSDB_TYPED_ADVRTR(ospf6->lsdb, type, router, lsa)) | |
599 | ospf6_asbr_lsa_remove(lsa); | |
508e53e2 | 600 | } |
718e3744 | 601 | |
508e53e2 | 602 | |
508e53e2 | 603 | /* redistribute function */ |
604 | ||
d62a17ae | 605 | static void ospf6_asbr_routemap_set(int type, const char *mapname) |
508e53e2 | 606 | { |
d62a17ae | 607 | if (ospf6->rmap[type].name) |
608 | free(ospf6->rmap[type].name); | |
609 | ospf6->rmap[type].name = strdup(mapname); | |
610 | ospf6->rmap[type].map = route_map_lookup_by_name(mapname); | |
718e3744 | 611 | } |
612 | ||
d62a17ae | 613 | static void ospf6_asbr_routemap_unset(int type) |
718e3744 | 614 | { |
d62a17ae | 615 | if (ospf6->rmap[type].name) |
616 | free(ospf6->rmap[type].name); | |
617 | ospf6->rmap[type].name = NULL; | |
618 | ospf6->rmap[type].map = NULL; | |
508e53e2 | 619 | } |
620 | ||
d62a17ae | 621 | static void ospf6_asbr_routemap_update(const char *mapname) |
508e53e2 | 622 | { |
d62a17ae | 623 | int type; |
624 | ||
625 | if (ospf6 == NULL) | |
626 | return; | |
627 | ||
628 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) { | |
c600ce45 | 629 | if (ospf6->rmap[type].name) { |
d62a17ae | 630 | ospf6->rmap[type].map = route_map_lookup_by_name( |
631 | ospf6->rmap[type].name); | |
c600ce45 CS |
632 | |
633 | if (mapname && ospf6->rmap[type].map && | |
634 | (strcmp(ospf6->rmap[type].name, mapname) == 0)) { | |
635 | if (IS_OSPF6_DEBUG_ASBR) | |
636 | zlog_debug("%s: route-map %s update, reset redist %s", | |
637 | __PRETTY_FUNCTION__, mapname, | |
638 | ZROUTE_NAME(type)); | |
639 | ||
640 | ospf6_zebra_no_redistribute(type); | |
641 | ospf6_zebra_redistribute(type); | |
642 | } | |
643 | } else | |
d62a17ae | 644 | ospf6->rmap[type].map = NULL; |
645 | } | |
718e3744 | 646 | } |
647 | ||
d62a17ae | 648 | int ospf6_asbr_is_asbr(struct ospf6 *o) |
508e53e2 | 649 | { |
d62a17ae | 650 | return o->external_table->count; |
508e53e2 | 651 | } |
652 | ||
d62a17ae | 653 | static void ospf6_asbr_redistribute_set(int type) |
718e3744 | 654 | { |
d62a17ae | 655 | ospf6_zebra_redistribute(type); |
508e53e2 | 656 | } |
657 | ||
d62a17ae | 658 | static void ospf6_asbr_redistribute_unset(int type) |
508e53e2 | 659 | { |
d62a17ae | 660 | struct ospf6_route *route; |
661 | struct ospf6_external_info *info; | |
718e3744 | 662 | |
d62a17ae | 663 | ospf6_zebra_no_redistribute(type); |
508e53e2 | 664 | |
d62a17ae | 665 | for (route = ospf6_route_head(ospf6->external_table); route; |
666 | route = ospf6_route_next(route)) { | |
667 | info = route->route_option; | |
668 | if (info->type != type) | |
669 | continue; | |
718e3744 | 670 | |
d62a17ae | 671 | ospf6_asbr_redistribute_remove(info->type, 0, &route->prefix); |
672 | } | |
d9628728 | 673 | |
d62a17ae | 674 | ospf6_asbr_routemap_unset(type); |
508e53e2 | 675 | } |
718e3744 | 676 | |
ca1f4309 | 677 | /* When an area is unstubified, flood all the external LSAs in the area */ |
d62a17ae | 678 | void ospf6_asbr_send_externals_to_area(struct ospf6_area *oa) |
ca1f4309 | 679 | { |
d62a17ae | 680 | struct ospf6_lsa *lsa; |
681 | ||
682 | for (ALL_LSDB(oa->ospf6->lsdb, lsa)) { | |
683 | if (ntohs(lsa->header->type) == OSPF6_LSTYPE_AS_EXTERNAL) { | |
684 | zlog_debug("%s: Flooding AS-External LSA %s\n", | |
685 | __func__, lsa->name); | |
686 | ospf6_flood_area(NULL, lsa, oa); | |
687 | } | |
ca1f4309 | 688 | } |
ca1f4309 DS |
689 | } |
690 | ||
d62a17ae | 691 | void ospf6_asbr_redistribute_add(int type, ifindex_t ifindex, |
692 | struct prefix *prefix, u_int nexthop_num, | |
693 | struct in6_addr *nexthop, route_tag_t tag) | |
508e53e2 | 694 | { |
d62a17ae | 695 | int ret; |
696 | struct ospf6_route troute; | |
697 | struct ospf6_external_info tinfo; | |
698 | struct ospf6_route *route, *match; | |
699 | struct ospf6_external_info *info; | |
700 | struct prefix prefix_id; | |
701 | struct route_node *node; | |
702 | char pbuf[PREFIX2STR_BUFFER], ibuf[16]; | |
703 | struct listnode *lnode, *lnnode; | |
704 | struct ospf6_area *oa; | |
705 | ||
706 | if (!ospf6_zebra_is_redistribute(type)) | |
707 | return; | |
708 | ||
6e38a9ec VJ |
709 | memset(&troute, 0, sizeof(troute)); |
710 | memset(&tinfo, 0, sizeof(tinfo)); | |
711 | ||
d62a17ae | 712 | if (IS_OSPF6_DEBUG_ASBR) { |
713 | prefix2str(prefix, pbuf, sizeof(pbuf)); | |
714 | zlog_debug("Redistribute %s (%s)", pbuf, ZROUTE_NAME(type)); | |
715 | } | |
716 | ||
717 | /* if route-map was specified but not found, do not advertise */ | |
718 | if (ospf6->rmap[type].name) { | |
719 | if (ospf6->rmap[type].map == NULL) | |
720 | ospf6_asbr_routemap_update(NULL); | |
721 | if (ospf6->rmap[type].map == NULL) { | |
722 | zlog_warn( | |
723 | "route-map \"%s\" not found, suppress redistributing", | |
724 | ospf6->rmap[type].name); | |
725 | return; | |
726 | } | |
727 | } | |
728 | ||
729 | /* apply route-map */ | |
730 | if (ospf6->rmap[type].map) { | |
d62a17ae | 731 | troute.route_option = &tinfo; |
732 | tinfo.ifindex = ifindex; | |
733 | tinfo.tag = tag; | |
734 | ||
735 | ret = route_map_apply(ospf6->rmap[type].map, prefix, RMAP_OSPF6, | |
736 | &troute); | |
737 | if (ret == RMAP_DENYMATCH) { | |
738 | if (IS_OSPF6_DEBUG_ASBR) | |
739 | zlog_debug("Denied by route-map \"%s\"", | |
740 | ospf6->rmap[type].name); | |
741 | return; | |
742 | } | |
743 | } | |
744 | ||
745 | match = ospf6_route_lookup(prefix, ospf6->external_table); | |
746 | if (match) { | |
747 | info = match->route_option; | |
748 | ||
749 | /* copy result of route-map */ | |
750 | if (ospf6->rmap[type].map) { | |
751 | if (troute.path.metric_type) | |
752 | match->path.metric_type = | |
753 | troute.path.metric_type; | |
754 | if (troute.path.cost) | |
755 | match->path.cost = troute.path.cost; | |
756 | if (!IN6_IS_ADDR_UNSPECIFIED(&tinfo.forwarding)) | |
757 | memcpy(&info->forwarding, &tinfo.forwarding, | |
758 | sizeof(struct in6_addr)); | |
759 | info->tag = tinfo.tag; | |
760 | } else { | |
761 | /* If there is no route-map, simply update the tag */ | |
762 | info->tag = tag; | |
763 | } | |
764 | ||
765 | info->type = type; | |
766 | ||
767 | if (nexthop_num && nexthop) | |
768 | ospf6_route_add_nexthop(match, ifindex, nexthop); | |
769 | else | |
770 | ospf6_route_add_nexthop(match, ifindex, NULL); | |
771 | ||
772 | /* create/update binding in external_id_table */ | |
773 | prefix_id.family = AF_INET; | |
774 | prefix_id.prefixlen = 32; | |
775 | prefix_id.u.prefix4.s_addr = htonl(info->id); | |
776 | node = route_node_get(ospf6->external_id_table, &prefix_id); | |
777 | node->info = match; | |
778 | ||
779 | if (IS_OSPF6_DEBUG_ASBR) { | |
780 | inet_ntop(AF_INET, &prefix_id.u.prefix4, ibuf, | |
781 | sizeof(ibuf)); | |
782 | zlog_debug("Advertise as AS-External Id:%s", ibuf); | |
783 | } | |
784 | ||
785 | match->path.origin.id = htonl(info->id); | |
786 | ospf6_as_external_lsa_originate(match); | |
787 | return; | |
788 | } | |
789 | ||
790 | /* create new entry */ | |
791 | route = ospf6_route_create(); | |
792 | route->type = OSPF6_DEST_TYPE_NETWORK; | |
793 | memcpy(&route->prefix, prefix, sizeof(struct prefix)); | |
794 | ||
795 | info = (struct ospf6_external_info *)XCALLOC( | |
796 | MTYPE_OSPF6_EXTERNAL_INFO, sizeof(struct ospf6_external_info)); | |
797 | route->route_option = info; | |
798 | info->id = ospf6->external_id++; | |
799 | ||
800 | /* copy result of route-map */ | |
801 | if (ospf6->rmap[type].map) { | |
802 | if (troute.path.metric_type) | |
803 | route->path.metric_type = troute.path.metric_type; | |
804 | if (troute.path.cost) | |
805 | route->path.cost = troute.path.cost; | |
806 | if (!IN6_IS_ADDR_UNSPECIFIED(&tinfo.forwarding)) | |
807 | memcpy(&info->forwarding, &tinfo.forwarding, | |
808 | sizeof(struct in6_addr)); | |
809 | info->tag = tinfo.tag; | |
810 | } else { | |
811 | /* If there is no route-map, simply set the tag */ | |
812 | info->tag = tag; | |
813 | } | |
814 | ||
815 | info->type = type; | |
816 | if (nexthop_num && nexthop) | |
817 | ospf6_route_add_nexthop(route, ifindex, nexthop); | |
818 | else | |
819 | ospf6_route_add_nexthop(route, ifindex, NULL); | |
820 | ||
821 | /* create/update binding in external_id_table */ | |
822 | prefix_id.family = AF_INET; | |
823 | prefix_id.prefixlen = 32; | |
824 | prefix_id.u.prefix4.s_addr = htonl(info->id); | |
825 | node = route_node_get(ospf6->external_id_table, &prefix_id); | |
826 | node->info = route; | |
827 | ||
828 | route = ospf6_route_add(route, ospf6->external_table); | |
829 | route->route_option = info; | |
830 | ||
831 | if (IS_OSPF6_DEBUG_ASBR) { | |
832 | inet_ntop(AF_INET, &prefix_id.u.prefix4, ibuf, sizeof(ibuf)); | |
833 | zlog_debug("Advertise as AS-External Id:%s", ibuf); | |
834 | } | |
835 | ||
836 | route->path.origin.id = htonl(info->id); | |
837 | ospf6_as_external_lsa_originate(route); | |
838 | ||
839 | /* Router-Bit (ASBR Flag) may have to be updated */ | |
840 | for (ALL_LIST_ELEMENTS(ospf6->area_list, lnode, lnnode, oa)) | |
841 | OSPF6_ROUTER_LSA_SCHEDULE(oa); | |
718e3744 | 842 | } |
843 | ||
d62a17ae | 844 | void ospf6_asbr_redistribute_remove(int type, ifindex_t ifindex, |
845 | struct prefix *prefix) | |
718e3744 | 846 | { |
d62a17ae | 847 | struct ospf6_route *match; |
848 | struct ospf6_external_info *info = NULL; | |
849 | struct route_node *node; | |
850 | struct ospf6_lsa *lsa; | |
851 | struct prefix prefix_id; | |
852 | char pbuf[PREFIX2STR_BUFFER], ibuf[16]; | |
853 | struct listnode *lnode, *lnnode; | |
854 | struct ospf6_area *oa; | |
855 | ||
856 | match = ospf6_route_lookup(prefix, ospf6->external_table); | |
857 | if (match == NULL) { | |
858 | if (IS_OSPF6_DEBUG_ASBR) { | |
859 | prefix2str(prefix, pbuf, sizeof(pbuf)); | |
860 | zlog_debug("No such route %s to withdraw", pbuf); | |
861 | } | |
862 | return; | |
863 | } | |
864 | ||
865 | info = match->route_option; | |
866 | assert(info); | |
867 | ||
868 | if (info->type != type) { | |
869 | if (IS_OSPF6_DEBUG_ASBR) { | |
870 | prefix2str(prefix, pbuf, sizeof(pbuf)); | |
871 | zlog_debug("Original protocol mismatch: %s", pbuf); | |
872 | } | |
873 | return; | |
874 | } | |
875 | ||
876 | if (IS_OSPF6_DEBUG_ASBR) { | |
877 | prefix2str(prefix, pbuf, sizeof(pbuf)); | |
878 | inet_ntop(AF_INET, &prefix_id.u.prefix4, ibuf, sizeof(ibuf)); | |
879 | zlog_debug("Withdraw %s (AS-External Id:%s)", pbuf, ibuf); | |
880 | } | |
881 | ||
882 | lsa = ospf6_lsdb_lookup(htons(OSPF6_LSTYPE_AS_EXTERNAL), | |
883 | htonl(info->id), ospf6->router_id, ospf6->lsdb); | |
884 | if (lsa) | |
885 | ospf6_lsa_purge(lsa); | |
886 | ||
887 | /* remove binding in external_id_table */ | |
888 | prefix_id.family = AF_INET; | |
889 | prefix_id.prefixlen = 32; | |
890 | prefix_id.u.prefix4.s_addr = htonl(info->id); | |
891 | node = route_node_lookup(ospf6->external_id_table, &prefix_id); | |
892 | assert(node); | |
893 | node->info = NULL; | |
d107621d CS |
894 | route_unlock_node(node); /* to free the lookup lock */ |
895 | route_unlock_node(node); /* to free the original lock */ | |
d62a17ae | 896 | |
897 | ospf6_route_remove(match, ospf6->external_table); | |
898 | XFREE(MTYPE_OSPF6_EXTERNAL_INFO, info); | |
899 | ||
900 | /* Router-Bit (ASBR Flag) may have to be updated */ | |
901 | for (ALL_LIST_ELEMENTS(ospf6->area_list, lnode, lnnode, oa)) | |
902 | OSPF6_ROUTER_LSA_SCHEDULE(oa); | |
718e3744 | 903 | } |
904 | ||
508e53e2 | 905 | DEFUN (ospf6_redistribute, |
906 | ospf6_redistribute_cmd, | |
40d1cbfb | 907 | "redistribute " FRR_REDIST_STR_OSPF6D, |
508e53e2 | 908 | "Redistribute\n" |
3b14d86e | 909 | FRR_REDIST_HELP_STR_OSPF6D) |
718e3744 | 910 | { |
d62a17ae | 911 | int type; |
e0ca5fde | 912 | |
d62a17ae | 913 | char *proto = argv[argc - 1]->text; |
914 | type = proto_redistnum(AFI_IP6, proto); | |
915 | if (type < 0) | |
916 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 917 | |
d62a17ae | 918 | ospf6_asbr_redistribute_unset(type); |
919 | ospf6_asbr_redistribute_set(type); | |
920 | return CMD_SUCCESS; | |
508e53e2 | 921 | } |
718e3744 | 922 | |
508e53e2 | 923 | DEFUN (ospf6_redistribute_routemap, |
924 | ospf6_redistribute_routemap_cmd, | |
40d1cbfb | 925 | "redistribute " FRR_REDIST_STR_OSPF6D " route-map WORD", |
508e53e2 | 926 | "Redistribute\n" |
ab0181ee | 927 | FRR_REDIST_HELP_STR_OSPF6D |
508e53e2 | 928 | "Route map reference\n" |
e52702f2 | 929 | "Route map name\n") |
508e53e2 | 930 | { |
d62a17ae | 931 | int idx_protocol = 1; |
932 | int idx_word = 3; | |
933 | int type; | |
934 | ||
935 | char *proto = argv[idx_protocol]->text; | |
936 | type = proto_redistnum(AFI_IP6, proto); | |
937 | if (type < 0) | |
938 | return CMD_WARNING_CONFIG_FAILED; | |
939 | ||
940 | ospf6_asbr_redistribute_unset(type); | |
941 | ospf6_asbr_routemap_set(type, argv[idx_word]->arg); | |
942 | ospf6_asbr_redistribute_set(type); | |
943 | return CMD_SUCCESS; | |
508e53e2 | 944 | } |
945 | ||
946 | DEFUN (no_ospf6_redistribute, | |
947 | no_ospf6_redistribute_cmd, | |
40d1cbfb | 948 | "no redistribute " FRR_REDIST_STR_OSPF6D " [route-map WORD]", |
508e53e2 | 949 | NO_STR |
950 | "Redistribute\n" | |
ab0181ee | 951 | FRR_REDIST_HELP_STR_OSPF6D |
1d68dbfe DW |
952 | "Route map reference\n" |
953 | "Route map name\n") | |
508e53e2 | 954 | { |
d62a17ae | 955 | int idx_protocol = 2; |
956 | int type; | |
e0ca5fde | 957 | |
d62a17ae | 958 | char *proto = argv[idx_protocol]->text; |
959 | type = proto_redistnum(AFI_IP6, proto); | |
960 | if (type < 0) | |
961 | return CMD_WARNING_CONFIG_FAILED; | |
e26bbeba | 962 | |
d62a17ae | 963 | ospf6_asbr_redistribute_unset(type); |
e26bbeba | 964 | |
d62a17ae | 965 | return CMD_SUCCESS; |
508e53e2 | 966 | } |
718e3744 | 967 | |
d62a17ae | 968 | int ospf6_redistribute_config_write(struct vty *vty) |
508e53e2 | 969 | { |
d62a17ae | 970 | int type; |
971 | ||
972 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) { | |
973 | if (type == ZEBRA_ROUTE_OSPF6) | |
974 | continue; | |
975 | if (!ospf6_zebra_is_redistribute(type)) | |
976 | continue; | |
977 | ||
978 | if (ospf6->rmap[type].name) | |
979 | vty_out(vty, " redistribute %s route-map %s\n", | |
980 | ZROUTE_NAME(type), ospf6->rmap[type].name); | |
981 | else | |
982 | vty_out(vty, " redistribute %s\n", ZROUTE_NAME(type)); | |
983 | } | |
984 | ||
985 | return 0; | |
718e3744 | 986 | } |
987 | ||
d62a17ae | 988 | static void ospf6_redistribute_show_config(struct vty *vty) |
718e3744 | 989 | { |
d62a17ae | 990 | int type; |
991 | int nroute[ZEBRA_ROUTE_MAX]; | |
992 | int total; | |
993 | struct ospf6_route *route; | |
994 | struct ospf6_external_info *info; | |
995 | ||
996 | total = 0; | |
997 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) | |
998 | nroute[type] = 0; | |
999 | for (route = ospf6_route_head(ospf6->external_table); route; | |
1000 | route = ospf6_route_next(route)) { | |
1001 | info = route->route_option; | |
1002 | nroute[info->type]++; | |
1003 | total++; | |
1004 | } | |
718e3744 | 1005 | |
d62a17ae | 1006 | vty_out(vty, "Redistributing External Routes from:\n"); |
1007 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) { | |
1008 | if (type == ZEBRA_ROUTE_OSPF6) | |
1009 | continue; | |
1010 | if (!ospf6_zebra_is_redistribute(type)) | |
1011 | continue; | |
1012 | ||
1013 | if (ospf6->rmap[type].name) | |
1014 | vty_out(vty, " %d: %s with route-map \"%s\"%s\n", | |
1015 | nroute[type], ZROUTE_NAME(type), | |
1016 | ospf6->rmap[type].name, | |
1017 | (ospf6->rmap[type].map ? "" | |
1018 | : " (not found !)")); | |
1019 | else | |
1020 | vty_out(vty, " %d: %s\n", nroute[type], | |
1021 | ZROUTE_NAME(type)); | |
1022 | } | |
1023 | vty_out(vty, "Total %d routes\n", total); | |
1024 | } | |
718e3744 | 1025 | |
6b0655a2 | 1026 | |
508e53e2 | 1027 | /* Routemap Functions */ |
6ac29a51 | 1028 | static route_map_result_t |
d62a17ae | 1029 | ospf6_routemap_rule_match_address_prefixlist(void *rule, struct prefix *prefix, |
1030 | route_map_object_t type, | |
1031 | void *object) | |
508e53e2 | 1032 | { |
d62a17ae | 1033 | struct prefix_list *plist; |
718e3744 | 1034 | |
d62a17ae | 1035 | if (type != RMAP_OSPF6) |
1036 | return RMAP_NOMATCH; | |
718e3744 | 1037 | |
d62a17ae | 1038 | plist = prefix_list_lookup(AFI_IP6, (char *)rule); |
1039 | if (plist == NULL) | |
1040 | return RMAP_NOMATCH; | |
718e3744 | 1041 | |
d62a17ae | 1042 | return (prefix_list_apply(plist, prefix) == PREFIX_DENY ? RMAP_NOMATCH |
1043 | : RMAP_MATCH); | |
508e53e2 | 1044 | } |
718e3744 | 1045 | |
6ac29a51 | 1046 | static void * |
d62a17ae | 1047 | ospf6_routemap_rule_match_address_prefixlist_compile(const char *arg) |
508e53e2 | 1048 | { |
d62a17ae | 1049 | return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); |
718e3744 | 1050 | } |
1051 | ||
d62a17ae | 1052 | static void ospf6_routemap_rule_match_address_prefixlist_free(void *rule) |
718e3744 | 1053 | { |
d62a17ae | 1054 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
508e53e2 | 1055 | } |
718e3744 | 1056 | |
d62a17ae | 1057 | struct route_map_rule_cmd ospf6_routemap_rule_match_address_prefixlist_cmd = { |
1058 | "ipv6 address prefix-list", | |
1059 | ospf6_routemap_rule_match_address_prefixlist, | |
1060 | ospf6_routemap_rule_match_address_prefixlist_compile, | |
1061 | ospf6_routemap_rule_match_address_prefixlist_free, | |
508e53e2 | 1062 | }; |
718e3744 | 1063 | |
42a7debf VT |
1064 | /* `match interface IFNAME' */ |
1065 | /* Match function should return 1 if match is success else return | |
1066 | zero. */ | |
1067 | static route_map_result_t | |
d62a17ae | 1068 | ospf6_routemap_rule_match_interface(void *rule, struct prefix *prefix, |
1069 | route_map_object_t type, void *object) | |
42a7debf | 1070 | { |
d62a17ae | 1071 | struct interface *ifp; |
1072 | struct ospf6_external_info *ei; | |
42a7debf | 1073 | |
d62a17ae | 1074 | if (type == RMAP_OSPF6) { |
1075 | ei = ((struct ospf6_route *)object)->route_option; | |
1076 | ifp = if_lookup_by_name((char *)rule, VRF_DEFAULT); | |
42a7debf | 1077 | |
d62a17ae | 1078 | if (ifp != NULL && ei->ifindex == ifp->ifindex) |
1079 | return RMAP_MATCH; | |
1080 | } | |
42a7debf | 1081 | |
d62a17ae | 1082 | return RMAP_NOMATCH; |
42a7debf VT |
1083 | } |
1084 | ||
1085 | /* Route map `interface' match statement. `arg' should be | |
1086 | interface name. */ | |
d62a17ae | 1087 | static void *ospf6_routemap_rule_match_interface_compile(const char *arg) |
42a7debf | 1088 | { |
d62a17ae | 1089 | return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); |
42a7debf VT |
1090 | } |
1091 | ||
1092 | /* Free route map's compiled `interface' value. */ | |
d62a17ae | 1093 | static void ospf6_routemap_rule_match_interface_free(void *rule) |
42a7debf | 1094 | { |
d62a17ae | 1095 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
42a7debf VT |
1096 | } |
1097 | ||
1098 | /* Route map commands for interface matching. */ | |
d62a17ae | 1099 | struct route_map_rule_cmd ospf6_routemap_rule_match_interface_cmd = { |
1100 | "interface", ospf6_routemap_rule_match_interface, | |
1101 | ospf6_routemap_rule_match_interface_compile, | |
1102 | ospf6_routemap_rule_match_interface_free}; | |
42a7debf | 1103 | |
464015fa | 1104 | /* Match function for matching route tags */ |
d62a17ae | 1105 | static route_map_result_t ospf6_routemap_rule_match_tag(void *rule, |
1106 | struct prefix *prefix, | |
1107 | route_map_object_t type, | |
1108 | void *object) | |
464015fa | 1109 | { |
d62a17ae | 1110 | route_tag_t *tag = rule; |
1111 | struct ospf6_route *route = object; | |
1112 | struct ospf6_external_info *info = route->route_option; | |
464015fa | 1113 | |
d62a17ae | 1114 | if (type == RMAP_OSPF6 && info->tag == *tag) |
1115 | return RMAP_MATCH; | |
464015fa | 1116 | |
d62a17ae | 1117 | return RMAP_NOMATCH; |
464015fa CF |
1118 | } |
1119 | ||
d62a17ae | 1120 | static struct route_map_rule_cmd ospf6_routemap_rule_match_tag_cmd = { |
9d303b37 | 1121 | "tag", ospf6_routemap_rule_match_tag, route_map_rule_tag_compile, |
d62a17ae | 1122 | route_map_rule_tag_free, |
464015fa CF |
1123 | }; |
1124 | ||
6ac29a51 | 1125 | static route_map_result_t |
d62a17ae | 1126 | ospf6_routemap_rule_set_metric_type(void *rule, struct prefix *prefix, |
1127 | route_map_object_t type, void *object) | |
508e53e2 | 1128 | { |
d62a17ae | 1129 | char *metric_type = rule; |
1130 | struct ospf6_route *route = object; | |
718e3744 | 1131 | |
d62a17ae | 1132 | if (type != RMAP_OSPF6) |
1133 | return RMAP_OKAY; | |
718e3744 | 1134 | |
d62a17ae | 1135 | if (strcmp(metric_type, "type-2") == 0) |
1136 | route->path.metric_type = 2; | |
1137 | else | |
1138 | route->path.metric_type = 1; | |
718e3744 | 1139 | |
d62a17ae | 1140 | return RMAP_OKAY; |
508e53e2 | 1141 | } |
718e3744 | 1142 | |
d62a17ae | 1143 | static void *ospf6_routemap_rule_set_metric_type_compile(const char *arg) |
508e53e2 | 1144 | { |
d62a17ae | 1145 | if (strcmp(arg, "type-2") && strcmp(arg, "type-1")) |
1146 | return NULL; | |
1147 | return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 1148 | } |
1149 | ||
d62a17ae | 1150 | static void ospf6_routemap_rule_set_metric_type_free(void *rule) |
718e3744 | 1151 | { |
d62a17ae | 1152 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
508e53e2 | 1153 | } |
718e3744 | 1154 | |
d62a17ae | 1155 | struct route_map_rule_cmd ospf6_routemap_rule_set_metric_type_cmd = { |
9d303b37 | 1156 | "metric-type", ospf6_routemap_rule_set_metric_type, |
d62a17ae | 1157 | ospf6_routemap_rule_set_metric_type_compile, |
1158 | ospf6_routemap_rule_set_metric_type_free, | |
508e53e2 | 1159 | }; |
718e3744 | 1160 | |
6ac29a51 | 1161 | static route_map_result_t |
d62a17ae | 1162 | ospf6_routemap_rule_set_metric(void *rule, struct prefix *prefix, |
1163 | route_map_object_t type, void *object) | |
508e53e2 | 1164 | { |
d62a17ae | 1165 | char *metric = rule; |
1166 | struct ospf6_route *route = object; | |
718e3744 | 1167 | |
d62a17ae | 1168 | if (type != RMAP_OSPF6) |
1169 | return RMAP_OKAY; | |
718e3744 | 1170 | |
d62a17ae | 1171 | route->path.cost = atoi(metric); |
1172 | return RMAP_OKAY; | |
508e53e2 | 1173 | } |
718e3744 | 1174 | |
d62a17ae | 1175 | static void *ospf6_routemap_rule_set_metric_compile(const char *arg) |
508e53e2 | 1176 | { |
d62a17ae | 1177 | u_int32_t metric; |
1178 | char *endp; | |
1179 | metric = strtoul(arg, &endp, 0); | |
1180 | if (metric > OSPF_LS_INFINITY || *endp != '\0') | |
1181 | return NULL; | |
1182 | return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 1183 | } |
1184 | ||
d62a17ae | 1185 | static void ospf6_routemap_rule_set_metric_free(void *rule) |
718e3744 | 1186 | { |
d62a17ae | 1187 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
508e53e2 | 1188 | } |
718e3744 | 1189 | |
d62a17ae | 1190 | struct route_map_rule_cmd ospf6_routemap_rule_set_metric_cmd = { |
9d303b37 | 1191 | "metric", ospf6_routemap_rule_set_metric, |
d62a17ae | 1192 | ospf6_routemap_rule_set_metric_compile, |
1193 | ospf6_routemap_rule_set_metric_free, | |
508e53e2 | 1194 | }; |
718e3744 | 1195 | |
6ac29a51 | 1196 | static route_map_result_t |
d62a17ae | 1197 | ospf6_routemap_rule_set_forwarding(void *rule, struct prefix *prefix, |
1198 | route_map_object_t type, void *object) | |
508e53e2 | 1199 | { |
d62a17ae | 1200 | char *forwarding = rule; |
1201 | struct ospf6_route *route = object; | |
1202 | struct ospf6_external_info *info = route->route_option; | |
718e3744 | 1203 | |
d62a17ae | 1204 | if (type != RMAP_OSPF6) |
1205 | return RMAP_OKAY; | |
718e3744 | 1206 | |
d62a17ae | 1207 | if (inet_pton(AF_INET6, forwarding, &info->forwarding) != 1) { |
1208 | memset(&info->forwarding, 0, sizeof(struct in6_addr)); | |
1209 | return RMAP_ERROR; | |
1210 | } | |
718e3744 | 1211 | |
d62a17ae | 1212 | return RMAP_OKAY; |
718e3744 | 1213 | } |
1214 | ||
d62a17ae | 1215 | static void *ospf6_routemap_rule_set_forwarding_compile(const char *arg) |
718e3744 | 1216 | { |
d62a17ae | 1217 | struct in6_addr a; |
1218 | if (inet_pton(AF_INET6, arg, &a) != 1) | |
1219 | return NULL; | |
1220 | return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 1221 | } |
1222 | ||
d62a17ae | 1223 | static void ospf6_routemap_rule_set_forwarding_free(void *rule) |
718e3744 | 1224 | { |
d62a17ae | 1225 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
508e53e2 | 1226 | } |
718e3744 | 1227 | |
d62a17ae | 1228 | struct route_map_rule_cmd ospf6_routemap_rule_set_forwarding_cmd = { |
9d303b37 | 1229 | "forwarding-address", ospf6_routemap_rule_set_forwarding, |
d62a17ae | 1230 | ospf6_routemap_rule_set_forwarding_compile, |
1231 | ospf6_routemap_rule_set_forwarding_free, | |
508e53e2 | 1232 | }; |
718e3744 | 1233 | |
d62a17ae | 1234 | static route_map_result_t ospf6_routemap_rule_set_tag(void *rule, |
1235 | struct prefix *prefix, | |
1236 | route_map_object_t type, | |
1237 | void *object) | |
464015fa | 1238 | { |
d62a17ae | 1239 | route_tag_t *tag = rule; |
1240 | struct ospf6_route *route = object; | |
1241 | struct ospf6_external_info *info = route->route_option; | |
464015fa | 1242 | |
d62a17ae | 1243 | if (type != RMAP_OSPF6) |
1244 | return RMAP_OKAY; | |
464015fa | 1245 | |
d62a17ae | 1246 | info->tag = *tag; |
1247 | return RMAP_OKAY; | |
464015fa CF |
1248 | } |
1249 | ||
d62a17ae | 1250 | static struct route_map_rule_cmd ospf6_routemap_rule_set_tag_cmd = { |
9d303b37 | 1251 | "tag", ospf6_routemap_rule_set_tag, route_map_rule_tag_compile, |
d62a17ae | 1252 | route_map_rule_tag_free, |
464015fa CF |
1253 | }; |
1254 | ||
d62a17ae | 1255 | static int route_map_command_status(struct vty *vty, int ret) |
508e53e2 | 1256 | { |
d62a17ae | 1257 | switch (ret) { |
1258 | case RMAP_RULE_MISSING: | |
1259 | vty_out(vty, "OSPF6 Can't find rule.\n"); | |
9ca25fed | 1260 | return CMD_WARNING_CONFIG_FAILED; |
d62a17ae | 1261 | break; |
1262 | case RMAP_COMPILE_ERROR: | |
1263 | vty_out(vty, "OSPF6 Argument is malformed.\n"); | |
9ca25fed | 1264 | return CMD_WARNING_CONFIG_FAILED; |
d62a17ae | 1265 | break; |
9ca25fed | 1266 | case RMAP_COMPILE_SUCCESS: |
d62a17ae | 1267 | break; |
1268 | } | |
9ca25fed DS |
1269 | |
1270 | return CMD_SUCCESS; | |
508e53e2 | 1271 | } |
718e3744 | 1272 | |
508e53e2 | 1273 | /* add "set metric-type" */ |
1274 | DEFUN (ospf6_routemap_set_metric_type, | |
1275 | ospf6_routemap_set_metric_type_cmd, | |
6147e2c6 | 1276 | "set metric-type <type-1|type-2>", |
508e53e2 | 1277 | "Set value\n" |
1278 | "Type of metric\n" | |
1279 | "OSPF6 external type 1 metric\n" | |
1280 | "OSPF6 external type 2 metric\n") | |
1281 | { | |
d62a17ae | 1282 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
1283 | int idx_external = 2; | |
1284 | int ret = route_map_add_set(route_map_index, "metric-type", | |
1285 | argv[idx_external]->arg); | |
1286 | return route_map_command_status(vty, ret); | |
718e3744 | 1287 | } |
1288 | ||
508e53e2 | 1289 | /* delete "set metric-type" */ |
1290 | DEFUN (ospf6_routemap_no_set_metric_type, | |
1291 | ospf6_routemap_no_set_metric_type_cmd, | |
dab8cd00 | 1292 | "no set metric-type [<type-1|type-2>]", |
508e53e2 | 1293 | NO_STR |
1294 | "Set value\n" | |
1295 | "Type of metric\n" | |
1296 | "OSPF6 external type 1 metric\n" | |
1297 | "OSPF6 external type 2 metric\n") | |
718e3744 | 1298 | { |
d62a17ae | 1299 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
1300 | char *ext = (argc == 4) ? argv[3]->text : NULL; | |
1301 | int ret = route_map_delete_set(route_map_index, "metric-type", ext); | |
1302 | return route_map_command_status(vty, ret); | |
508e53e2 | 1303 | } |
718e3744 | 1304 | |
508e53e2 | 1305 | /* add "set forwarding-address" */ |
1306 | DEFUN (ospf6_routemap_set_forwarding, | |
1307 | ospf6_routemap_set_forwarding_cmd, | |
1308 | "set forwarding-address X:X::X:X", | |
1309 | "Set value\n" | |
1310 | "Forwarding Address\n" | |
1311 | "IPv6 Address\n") | |
1312 | { | |
d62a17ae | 1313 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
1314 | int idx_ipv6 = 2; | |
1315 | int ret = route_map_add_set(route_map_index, "forwarding-address", | |
1316 | argv[idx_ipv6]->arg); | |
1317 | return route_map_command_status(vty, ret); | |
508e53e2 | 1318 | } |
718e3744 | 1319 | |
508e53e2 | 1320 | /* delete "set forwarding-address" */ |
1321 | DEFUN (ospf6_routemap_no_set_forwarding, | |
1322 | ospf6_routemap_no_set_forwarding_cmd, | |
1323 | "no set forwarding-address X:X::X:X", | |
1324 | NO_STR | |
1325 | "Set value\n" | |
1326 | "Forwarding Address\n" | |
1327 | "IPv6 Address\n") | |
1328 | { | |
d62a17ae | 1329 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
1330 | int idx_ipv6 = 3; | |
1331 | int ret = route_map_delete_set(route_map_index, "forwarding-address", | |
1332 | argv[idx_ipv6]->arg); | |
1333 | return route_map_command_status(vty, ret); | |
508e53e2 | 1334 | } |
718e3744 | 1335 | |
d62a17ae | 1336 | static void ospf6_routemap_init(void) |
508e53e2 | 1337 | { |
d62a17ae | 1338 | route_map_init(); |
b2575bc0 | 1339 | |
d62a17ae | 1340 | route_map_add_hook(ospf6_asbr_routemap_update); |
1341 | route_map_delete_hook(ospf6_asbr_routemap_update); | |
508e53e2 | 1342 | |
d62a17ae | 1343 | route_map_set_metric_hook(generic_set_add); |
1344 | route_map_no_set_metric_hook(generic_set_delete); | |
82f97584 | 1345 | |
d62a17ae | 1346 | route_map_match_tag_hook(generic_match_add); |
1347 | route_map_no_match_tag_hook(generic_match_delete); | |
e1a1b2ed | 1348 | |
d62a17ae | 1349 | route_map_match_ipv6_address_prefix_list_hook(generic_match_add); |
1350 | route_map_no_match_ipv6_address_prefix_list_hook(generic_match_delete); | |
e1a1b2ed | 1351 | |
d62a17ae | 1352 | route_map_match_interface_hook(generic_match_add); |
1353 | route_map_no_match_interface_hook(generic_match_delete); | |
e1a1b2ed | 1354 | |
d62a17ae | 1355 | route_map_install_match( |
1356 | &ospf6_routemap_rule_match_address_prefixlist_cmd); | |
1357 | route_map_install_match(&ospf6_routemap_rule_match_interface_cmd); | |
1358 | route_map_install_match(&ospf6_routemap_rule_match_tag_cmd); | |
42a7debf | 1359 | |
d62a17ae | 1360 | route_map_install_set(&ospf6_routemap_rule_set_metric_type_cmd); |
1361 | route_map_install_set(&ospf6_routemap_rule_set_metric_cmd); | |
1362 | route_map_install_set(&ospf6_routemap_rule_set_forwarding_cmd); | |
1363 | route_map_install_set(&ospf6_routemap_rule_set_tag_cmd); | |
508e53e2 | 1364 | |
d62a17ae | 1365 | /* ASE Metric Type (e.g. Type-1/Type-2) */ |
1366 | install_element(RMAP_NODE, &ospf6_routemap_set_metric_type_cmd); | |
1367 | install_element(RMAP_NODE, &ospf6_routemap_no_set_metric_type_cmd); | |
508e53e2 | 1368 | |
d62a17ae | 1369 | /* ASE Metric */ |
1370 | install_element(RMAP_NODE, &ospf6_routemap_set_forwarding_cmd); | |
1371 | install_element(RMAP_NODE, &ospf6_routemap_no_set_forwarding_cmd); | |
718e3744 | 1372 | } |
1373 | ||
6b0655a2 | 1374 | |
508e53e2 | 1375 | /* Display functions */ |
d62a17ae | 1376 | static char *ospf6_as_external_lsa_get_prefix_str(struct ospf6_lsa *lsa, |
1377 | char *buf, int buflen, | |
1378 | int pos) | |
e68a6767 | 1379 | { |
d62a17ae | 1380 | struct ospf6_as_external_lsa *external; |
1381 | struct in6_addr in6; | |
1382 | int prefix_length = 0; | |
1383 | ||
1384 | if (lsa) { | |
1385 | external = (struct ospf6_as_external_lsa *)OSPF6_LSA_HEADER_END( | |
1386 | lsa->header); | |
1387 | ||
1388 | if (pos == 0) { | |
1389 | ospf6_prefix_in6_addr(&in6, &external->prefix); | |
1390 | prefix_length = external->prefix.prefix_length; | |
1391 | } else { | |
1392 | in6 = *((struct in6_addr | |
1393 | *)((caddr_t)external | |
1394 | + sizeof(struct | |
1395 | ospf6_as_external_lsa) | |
1396 | + OSPF6_PREFIX_SPACE( | |
1397 | external->prefix | |
1398 | .prefix_length))); | |
1399 | } | |
1400 | if (buf) { | |
1401 | inet_ntop(AF_INET6, &in6, buf, buflen); | |
1402 | if (prefix_length) | |
1403 | sprintf(&buf[strlen(buf)], "/%d", | |
1404 | prefix_length); | |
1405 | } | |
e68a6767 | 1406 | } |
d62a17ae | 1407 | return (buf); |
e68a6767 DD |
1408 | } |
1409 | ||
d62a17ae | 1410 | static int ospf6_as_external_lsa_show(struct vty *vty, struct ospf6_lsa *lsa) |
718e3744 | 1411 | { |
d62a17ae | 1412 | struct ospf6_as_external_lsa *external; |
1413 | char buf[64]; | |
1414 | ||
1415 | assert(lsa->header); | |
1416 | external = (struct ospf6_as_external_lsa *)OSPF6_LSA_HEADER_END( | |
1417 | lsa->header); | |
1418 | ||
1419 | /* bits */ | |
1420 | snprintf(buf, sizeof(buf), "%c%c%c", | |
1421 | (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_E) ? 'E' | |
1422 | : '-'), | |
1423 | (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_F) ? 'F' | |
1424 | : '-'), | |
1425 | (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_T) ? 'T' | |
1426 | : '-')); | |
1427 | ||
1428 | vty_out(vty, " Bits: %s\n", buf); | |
1429 | vty_out(vty, " Metric: %5lu\n", | |
1430 | (u_long)OSPF6_ASBR_METRIC(external)); | |
1431 | ||
1432 | ospf6_prefix_options_printbuf(external->prefix.prefix_options, buf, | |
1433 | sizeof(buf)); | |
1434 | vty_out(vty, " Prefix Options: %s\n", buf); | |
1435 | ||
1436 | vty_out(vty, " Referenced LSType: %d\n", | |
1437 | ntohs(external->prefix.prefix_refer_lstype)); | |
1438 | ||
1439 | vty_out(vty, " Prefix: %s\n", | |
1440 | ospf6_as_external_lsa_get_prefix_str(lsa, buf, sizeof(buf), 0)); | |
1441 | ||
1442 | /* Forwarding-Address */ | |
1443 | if (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_F)) { | |
1444 | vty_out(vty, " Forwarding-Address: %s\n", | |
1445 | ospf6_as_external_lsa_get_prefix_str(lsa, buf, | |
1446 | sizeof(buf), 1)); | |
1447 | } | |
1448 | ||
1449 | /* Tag */ | |
1450 | if (CHECK_FLAG(external->bits_metric, OSPF6_ASBR_BIT_T)) { | |
1451 | vty_out(vty, " Tag: %" ROUTE_TAG_PRI "\n", | |
1452 | ospf6_as_external_lsa_get_tag(lsa)); | |
1453 | } | |
1454 | ||
1455 | return 0; | |
718e3744 | 1456 | } |
1457 | ||
d62a17ae | 1458 | static void ospf6_asbr_external_route_show(struct vty *vty, |
1459 | struct ospf6_route *route) | |
718e3744 | 1460 | { |
d62a17ae | 1461 | struct ospf6_external_info *info = route->route_option; |
1462 | char prefix[PREFIX2STR_BUFFER], id[16], forwarding[64]; | |
1463 | u_int32_t tmp_id; | |
1464 | ||
1465 | prefix2str(&route->prefix, prefix, sizeof(prefix)); | |
1466 | tmp_id = ntohl(info->id); | |
1467 | inet_ntop(AF_INET, &tmp_id, id, sizeof(id)); | |
1468 | if (!IN6_IS_ADDR_UNSPECIFIED(&info->forwarding)) | |
1469 | inet_ntop(AF_INET6, &info->forwarding, forwarding, | |
1470 | sizeof(forwarding)); | |
1471 | else | |
1472 | snprintf(forwarding, sizeof(forwarding), ":: (ifindex %d)", | |
1473 | ospf6_route_get_first_nh_index(route)); | |
1474 | ||
1475 | vty_out(vty, "%c %-32s %-15s type-%d %5lu %s\n", | |
1476 | zebra_route_char(info->type), prefix, id, | |
1477 | route->path.metric_type, | |
1478 | (u_long)(route->path.metric_type == 2 ? route->path.u.cost_e2 | |
1479 | : route->path.cost), | |
1480 | forwarding); | |
718e3744 | 1481 | } |
1482 | ||
508e53e2 | 1483 | DEFUN (show_ipv6_ospf6_redistribute, |
1484 | show_ipv6_ospf6_redistribute_cmd, | |
1485 | "show ipv6 ospf6 redistribute", | |
1486 | SHOW_STR | |
1487 | IP6_STR | |
1488 | OSPF6_STR | |
1489 | "redistributing External information\n" | |
1490 | ) | |
718e3744 | 1491 | { |
d62a17ae | 1492 | struct ospf6_route *route; |
718e3744 | 1493 | |
d62a17ae | 1494 | OSPF6_CMD_CHECK_RUNNING(); |
b52a8a52 | 1495 | |
d62a17ae | 1496 | ospf6_redistribute_show_config(vty); |
718e3744 | 1497 | |
d62a17ae | 1498 | for (route = ospf6_route_head(ospf6->external_table); route; |
1499 | route = ospf6_route_next(route)) | |
1500 | ospf6_asbr_external_route_show(vty, route); | |
508e53e2 | 1501 | |
d62a17ae | 1502 | return CMD_SUCCESS; |
718e3744 | 1503 | } |
1504 | ||
d62a17ae | 1505 | struct ospf6_lsa_handler as_external_handler = { |
3981b5c7 VJ |
1506 | .lh_type = OSPF6_LSTYPE_AS_EXTERNAL, |
1507 | .lh_name = "AS-External", | |
1508 | .lh_short_name = "ASE", | |
1509 | .lh_show = ospf6_as_external_lsa_show, | |
1510 | .lh_get_prefix_str = ospf6_as_external_lsa_get_prefix_str, | |
1511 | .lh_debug = 0 | |
1512 | }; | |
508e53e2 | 1513 | |
d62a17ae | 1514 | void ospf6_asbr_init(void) |
718e3744 | 1515 | { |
d62a17ae | 1516 | ospf6_routemap_init(); |
508e53e2 | 1517 | |
d62a17ae | 1518 | ospf6_install_lsa_handler(&as_external_handler); |
718e3744 | 1519 | |
d62a17ae | 1520 | install_element(VIEW_NODE, &show_ipv6_ospf6_redistribute_cmd); |
508e53e2 | 1521 | |
d62a17ae | 1522 | install_element(OSPF6_NODE, &ospf6_redistribute_cmd); |
1523 | install_element(OSPF6_NODE, &ospf6_redistribute_routemap_cmd); | |
1524 | install_element(OSPF6_NODE, &no_ospf6_redistribute_cmd); | |
718e3744 | 1525 | } |
1526 | ||
d62a17ae | 1527 | void ospf6_asbr_redistribute_reset(void) |
d9628728 | 1528 | { |
d62a17ae | 1529 | int type; |
1530 | ||
1531 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) { | |
1532 | if (type == ZEBRA_ROUTE_OSPF6) | |
1533 | continue; | |
1534 | if (ospf6_zebra_is_redistribute(type)) | |
1535 | ospf6_asbr_redistribute_unset(type); | |
1536 | } | |
d9628728 CF |
1537 | } |
1538 | ||
d62a17ae | 1539 | void ospf6_asbr_terminate(void) |
ae2254aa | 1540 | { |
d62a17ae | 1541 | route_map_finish(); |
ae2254aa | 1542 | } |
718e3744 | 1543 | |
508e53e2 | 1544 | DEFUN (debug_ospf6_asbr, |
1545 | debug_ospf6_asbr_cmd, | |
1546 | "debug ospf6 asbr", | |
1547 | DEBUG_STR | |
1548 | OSPF6_STR | |
1549 | "Debug OSPFv3 ASBR function\n" | |
1550 | ) | |
1551 | { | |
d62a17ae | 1552 | OSPF6_DEBUG_ASBR_ON(); |
1553 | return CMD_SUCCESS; | |
508e53e2 | 1554 | } |
1555 | ||
1556 | DEFUN (no_debug_ospf6_asbr, | |
1557 | no_debug_ospf6_asbr_cmd, | |
1558 | "no debug ospf6 asbr", | |
1559 | NO_STR | |
1560 | DEBUG_STR | |
1561 | OSPF6_STR | |
1562 | "Debug OSPFv3 ASBR function\n" | |
1563 | ) | |
1564 | { | |
d62a17ae | 1565 | OSPF6_DEBUG_ASBR_OFF(); |
1566 | return CMD_SUCCESS; | |
508e53e2 | 1567 | } |
1568 | ||
d62a17ae | 1569 | int config_write_ospf6_debug_asbr(struct vty *vty) |
508e53e2 | 1570 | { |
d62a17ae | 1571 | if (IS_OSPF6_DEBUG_ASBR) |
1572 | vty_out(vty, "debug ospf6 asbr\n"); | |
1573 | return 0; | |
508e53e2 | 1574 | } |
1575 | ||
d62a17ae | 1576 | void install_element_ospf6_debug_asbr() |
92300491 | 1577 | { |
d62a17ae | 1578 | install_element(ENABLE_NODE, &debug_ospf6_asbr_cmd); |
1579 | install_element(ENABLE_NODE, &no_debug_ospf6_asbr_cmd); | |
1580 | install_element(CONFIG_NODE, &debug_ospf6_asbr_cmd); | |
1581 | install_element(CONFIG_NODE, &no_debug_ospf6_asbr_cmd); | |
92300491 | 1582 | } |