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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 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the | |
18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | * Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "log.h" | |
25 | #include "memory.h" | |
26 | #include "prefix.h" | |
27 | #include "command.h" | |
28 | #include "vty.h" | |
29 | #include "routemap.h" | |
30 | #include "table.h" | |
31 | #include "plist.h" | |
32 | #include "thread.h" | |
508e53e2 | 33 | #include "linklist.h" |
718e3744 | 34 | |
508e53e2 | 35 | #include "ospf6_proto.h" |
36 | #include "ospf6_lsa.h" | |
37 | #include "ospf6_lsdb.h" | |
38 | #include "ospf6_route.h" | |
718e3744 | 39 | #include "ospf6_zebra.h" |
6452df09 | 40 | #include "ospf6_message.h" |
41 | ||
718e3744 | 42 | #include "ospf6_top.h" |
508e53e2 | 43 | #include "ospf6_area.h" |
6452df09 | 44 | #include "ospf6_interface.h" |
45 | #include "ospf6_neighbor.h" | |
508e53e2 | 46 | #include "ospf6_asbr.h" |
47 | #include "ospf6_intra.h" | |
6452df09 | 48 | #include "ospf6_flood.h" |
049207c3 | 49 | #include "ospf6d.h" |
718e3744 | 50 | |
508e53e2 | 51 | unsigned char conf_debug_ospf6_asbr = 0; |
718e3744 | 52 | |
f52d13cb | 53 | #define ZROUTE_NAME(x) zebra_route_string(x) |
508e53e2 | 54 | |
55 | /* AS External LSA origination */ | |
6ac29a51 | 56 | static void |
6452df09 | 57 | ospf6_as_external_lsa_originate (struct ospf6_route *route) |
718e3744 | 58 | { |
508e53e2 | 59 | char buffer[OSPF6_MAX_LSASIZE]; |
60 | struct ospf6_lsa_header *lsa_header; | |
ed2eb093 | 61 | struct ospf6_lsa *lsa; |
0b26f81b | 62 | struct ospf6_external_info *info = route->route_option; |
718e3744 | 63 | |
508e53e2 | 64 | struct ospf6_as_external_lsa *as_external_lsa; |
4690c7d7 | 65 | char buf[PREFIX2STR_BUFFER]; |
508e53e2 | 66 | caddr_t p; |
718e3744 | 67 | |
1e05838a | 68 | if (IS_OSPF6_DEBUG_ASBR || IS_OSPF6_DEBUG_ORIGINATE (AS_EXTERNAL)) |
508e53e2 | 69 | { |
70 | prefix2str (&route->prefix, buf, sizeof (buf)); | |
c6487d61 | 71 | zlog_debug ("Originate AS-External-LSA for %s", buf); |
508e53e2 | 72 | } |
73 | ||
74 | /* prepare buffer */ | |
75 | memset (buffer, 0, sizeof (buffer)); | |
76 | lsa_header = (struct ospf6_lsa_header *) buffer; | |
77 | as_external_lsa = (struct ospf6_as_external_lsa *) | |
78 | ((caddr_t) lsa_header + sizeof (struct ospf6_lsa_header)); | |
79 | p = (caddr_t) | |
80 | ((caddr_t) as_external_lsa + sizeof (struct ospf6_as_external_lsa)); | |
81 | ||
82 | /* Fill AS-External-LSA */ | |
83 | /* Metric type */ | |
84 | if (route->path.metric_type == 2) | |
85 | SET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_E); | |
86 | else | |
87 | UNSET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_E); | |
88 | ||
89 | /* forwarding address */ | |
0b26f81b | 90 | if (! IN6_IS_ADDR_UNSPECIFIED (&info->forwarding)) |
508e53e2 | 91 | SET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F); |
92 | else | |
93 | UNSET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F); | |
718e3744 | 94 | |
508e53e2 | 95 | /* external route tag */ |
464015fa CF |
96 | if (info->tag) |
97 | SET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T); | |
98 | else | |
508e53e2 | 99 | UNSET_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T); |
100 | ||
101 | /* Set metric */ | |
102 | OSPF6_ASBR_METRIC_SET (as_external_lsa, route->path.cost); | |
103 | ||
104 | /* prefixlen */ | |
105 | as_external_lsa->prefix.prefix_length = route->prefix.prefixlen; | |
106 | ||
107 | /* PrefixOptions */ | |
108 | as_external_lsa->prefix.prefix_options = route->path.prefix_options; | |
109 | ||
110 | /* don't use refer LS-type */ | |
111 | as_external_lsa->prefix.prefix_refer_lstype = htons (0); | |
112 | ||
113 | /* set Prefix */ | |
114 | memcpy (p, &route->prefix.u.prefix6, | |
115 | OSPF6_PREFIX_SPACE (route->prefix.prefixlen)); | |
116 | ospf6_prefix_apply_mask (&as_external_lsa->prefix); | |
117 | p += OSPF6_PREFIX_SPACE (route->prefix.prefixlen); | |
118 | ||
119 | /* Forwarding address */ | |
120 | if (CHECK_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_F)) | |
121 | { | |
0b26f81b | 122 | memcpy (p, &info->forwarding, sizeof (struct in6_addr)); |
508e53e2 | 123 | p += sizeof (struct in6_addr); |
124 | } | |
125 | ||
126 | /* External Route Tag */ | |
127 | if (CHECK_FLAG (as_external_lsa->bits_metric, OSPF6_ASBR_BIT_T)) | |
128 | { | |
464015fa CF |
129 | route_tag_t network_order = htonl(info->tag); |
130 | ||
131 | memcpy (p, &network_order, sizeof(network_order)); | |
132 | p += sizeof(network_order); | |
508e53e2 | 133 | } |
134 | ||
135 | /* Fill LSA Header */ | |
136 | lsa_header->age = 0; | |
137 | lsa_header->type = htons (OSPF6_LSTYPE_AS_EXTERNAL); | |
6452df09 | 138 | lsa_header->id = route->path.origin.id; |
508e53e2 | 139 | lsa_header->adv_router = ospf6->router_id; |
140 | lsa_header->seqnum = | |
049207c3 | 141 | ospf6_new_ls_seqnum (lsa_header->type, lsa_header->id, |
142 | lsa_header->adv_router, ospf6->lsdb); | |
508e53e2 | 143 | lsa_header->length = htons ((caddr_t) p - (caddr_t) lsa_header); |
144 | ||
145 | /* LSA checksum */ | |
146 | ospf6_lsa_checksum (lsa_header); | |
147 | ||
148 | /* create LSA */ | |
149 | lsa = ospf6_lsa_create (lsa_header); | |
508e53e2 | 150 | |
151 | /* Originate */ | |
6452df09 | 152 | ospf6_lsa_originate_process (lsa, ospf6); |
718e3744 | 153 | } |
154 | ||
464015fa CF |
155 | static route_tag_t |
156 | ospf6_as_external_lsa_get_tag (struct ospf6_lsa *lsa) | |
157 | { | |
158 | struct ospf6_as_external_lsa *external; | |
159 | ptrdiff_t tag_offset; | |
160 | route_tag_t network_order; | |
161 | ||
162 | if (!lsa) | |
163 | return 0; | |
164 | ||
165 | external = (struct ospf6_as_external_lsa *) | |
166 | OSPF6_LSA_HEADER_END (lsa->header); | |
167 | ||
168 | if (!CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_T)) | |
169 | return 0; | |
170 | ||
171 | tag_offset = sizeof(*external) + OSPF6_PREFIX_SPACE(external->prefix.prefix_length); | |
172 | if (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_F)) | |
173 | tag_offset += sizeof(struct in6_addr); | |
174 | ||
175 | memcpy(&network_order, (caddr_t)external + tag_offset, sizeof(network_order)); | |
176 | return ntohl(network_order); | |
177 | } | |
6b0655a2 | 178 | |
718e3744 | 179 | void |
508e53e2 | 180 | ospf6_asbr_lsa_add (struct ospf6_lsa *lsa) |
718e3744 | 181 | { |
508e53e2 | 182 | struct ospf6_as_external_lsa *external; |
183 | struct prefix asbr_id; | |
184 | struct ospf6_route *asbr_entry, *route; | |
4690c7d7 | 185 | char buf[PREFIX2STR_BUFFER]; |
508e53e2 | 186 | |
187 | external = (struct ospf6_as_external_lsa *) | |
188 | OSPF6_LSA_HEADER_END (lsa->header); | |
189 | ||
1e05838a | 190 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
c6487d61 | 191 | zlog_debug ("Calculate AS-External route for %s", lsa->name); |
508e53e2 | 192 | |
193 | if (lsa->header->adv_router == ospf6->router_id) | |
718e3744 | 194 | { |
1e05838a | 195 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
c6487d61 | 196 | zlog_debug ("Ignore self-originated AS-External-LSA"); |
508e53e2 | 197 | return; |
718e3744 | 198 | } |
718e3744 | 199 | |
8551e6da | 200 | if (OSPF6_ASBR_METRIC (external) == OSPF_LS_INFINITY) |
508e53e2 | 201 | { |
1e05838a | 202 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
c6487d61 | 203 | zlog_debug ("Ignore LSA with LSInfinity Metric"); |
508e53e2 | 204 | return; |
205 | } | |
718e3744 | 206 | |
01879114 DD |
207 | if (CHECK_FLAG(external->prefix.prefix_options, OSPF6_PREFIX_OPTION_NU)) |
208 | { | |
209 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) | |
210 | zlog_debug ("Ignore LSA with NU bit set Metric"); | |
211 | return; | |
212 | } | |
213 | ||
ccb59b11 | 214 | ospf6_linkstate_prefix (lsa->header->adv_router, htonl (0), &asbr_id); |
6452df09 | 215 | asbr_entry = ospf6_route_lookup (&asbr_id, ospf6->brouter_table); |
63069ad6 | 216 | if (asbr_entry == NULL || |
217 | ! CHECK_FLAG (asbr_entry->path.router_bits, OSPF6_ROUTER_BIT_E)) | |
508e53e2 | 218 | { |
1e05838a | 219 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
508e53e2 | 220 | { |
221 | prefix2str (&asbr_id, buf, sizeof (buf)); | |
c6487d61 | 222 | zlog_debug ("ASBR entry not found: %s", buf); |
508e53e2 | 223 | } |
224 | return; | |
225 | } | |
718e3744 | 226 | |
508e53e2 | 227 | route = ospf6_route_create (); |
228 | route->type = OSPF6_DEST_TYPE_NETWORK; | |
229 | route->prefix.family = AF_INET6; | |
230 | route->prefix.prefixlen = external->prefix.prefix_length; | |
231 | ospf6_prefix_in6_addr (&route->prefix.u.prefix6, &external->prefix); | |
718e3744 | 232 | |
508e53e2 | 233 | route->path.area_id = asbr_entry->path.area_id; |
234 | route->path.origin.type = lsa->header->type; | |
235 | route->path.origin.id = lsa->header->id; | |
236 | route->path.origin.adv_router = lsa->header->adv_router; | |
718e3744 | 237 | |
508e53e2 | 238 | route->path.prefix_options = external->prefix.prefix_options; |
239 | if (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_E)) | |
240 | { | |
241 | route->path.type = OSPF6_PATH_TYPE_EXTERNAL2; | |
242 | route->path.metric_type = 2; | |
243 | route->path.cost = asbr_entry->path.cost; | |
c3c0ac83 | 244 | route->path.u.cost_e2 = OSPF6_ASBR_METRIC (external); |
508e53e2 | 245 | } |
246 | else | |
247 | { | |
248 | route->path.type = OSPF6_PATH_TYPE_EXTERNAL1; | |
249 | route->path.metric_type = 1; | |
250 | route->path.cost = asbr_entry->path.cost + OSPF6_ASBR_METRIC (external); | |
c3c0ac83 | 251 | route->path.u.cost_e2 = 0; |
508e53e2 | 252 | } |
253 | ||
464015fa CF |
254 | route->path.tag = ospf6_as_external_lsa_get_tag (lsa); |
255 | ||
c3c0ac83 | 256 | ospf6_route_copy_nexthops (route, asbr_entry); |
508e53e2 | 257 | |
1e05838a | 258 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
508e53e2 | 259 | { |
260 | prefix2str (&route->prefix, buf, sizeof (buf)); | |
c6487d61 | 261 | zlog_debug ("AS-External route add: %s", buf); |
508e53e2 | 262 | } |
263 | ||
264 | ospf6_route_add (route, ospf6->route_table); | |
718e3744 | 265 | } |
266 | ||
508e53e2 | 267 | void |
268 | ospf6_asbr_lsa_remove (struct ospf6_lsa *lsa) | |
718e3744 | 269 | { |
508e53e2 | 270 | struct ospf6_as_external_lsa *external; |
271 | struct prefix prefix; | |
0f23bb67 | 272 | struct ospf6_route *route, *nroute; |
4690c7d7 | 273 | char buf[PREFIX2STR_BUFFER]; |
718e3744 | 274 | |
508e53e2 | 275 | external = (struct ospf6_as_external_lsa *) |
276 | OSPF6_LSA_HEADER_END (lsa->header); | |
718e3744 | 277 | |
1e05838a | 278 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
c6487d61 | 279 | zlog_debug ("Withdraw AS-External route for %s", lsa->name); |
718e3744 | 280 | |
508e53e2 | 281 | if (lsa->header->adv_router == ospf6->router_id) |
718e3744 | 282 | { |
1e05838a | 283 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
c6487d61 | 284 | zlog_debug ("Ignore self-originated AS-External-LSA"); |
508e53e2 | 285 | return; |
286 | } | |
287 | ||
288 | memset (&prefix, 0, sizeof (struct prefix)); | |
289 | prefix.family = AF_INET6; | |
290 | prefix.prefixlen = external->prefix.prefix_length; | |
291 | ospf6_prefix_in6_addr (&prefix.u.prefix6, &external->prefix); | |
292 | ||
293 | route = ospf6_route_lookup (&prefix, ospf6->route_table); | |
294 | if (route == NULL) | |
295 | { | |
1e05838a | 296 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
718e3744 | 297 | { |
508e53e2 | 298 | prefix2str (&prefix, buf, sizeof (buf)); |
c6487d61 | 299 | zlog_debug ("AS-External route %s not found", buf); |
718e3744 | 300 | } |
508e53e2 | 301 | return; |
718e3744 | 302 | } |
303 | ||
508e53e2 | 304 | for (ospf6_route_lock (route); |
305 | route && ospf6_route_is_prefix (&prefix, route); | |
0f23bb67 | 306 | route = nroute) |
508e53e2 | 307 | { |
0f23bb67 | 308 | nroute = ospf6_route_next (route); |
508e53e2 | 309 | if (route->type != OSPF6_DEST_TYPE_NETWORK) |
310 | continue; | |
311 | if (route->path.origin.type != lsa->header->type) | |
312 | continue; | |
313 | if (route->path.origin.id != lsa->header->id) | |
314 | continue; | |
315 | if (route->path.origin.adv_router != lsa->header->adv_router) | |
316 | continue; | |
317 | ||
1e05838a | 318 | if (IS_OSPF6_DEBUG_EXAMIN (AS_EXTERNAL)) |
508e53e2 | 319 | { |
320 | prefix2str (&route->prefix, buf, sizeof (buf)); | |
c6487d61 | 321 | zlog_debug ("AS-External route remove: %s", buf); |
508e53e2 | 322 | } |
323 | ospf6_route_remove (route, ospf6->route_table); | |
324 | } | |
c78a46c2 CF |
325 | if (route != NULL) |
326 | ospf6_route_unlock (route); | |
718e3744 | 327 | } |
328 | ||
508e53e2 | 329 | void |
330 | ospf6_asbr_lsentry_add (struct ospf6_route *asbr_entry) | |
331 | { | |
508e53e2 | 332 | struct ospf6_lsa *lsa; |
333 | u_int16_t type; | |
334 | u_int32_t router; | |
335 | ||
cb4b8845 | 336 | if (! CHECK_FLAG (asbr_entry->flag, OSPF6_ROUTE_BEST)) |
508e53e2 | 337 | { |
cb4b8845 PJ |
338 | char buf[16]; |
339 | inet_ntop (AF_INET, &ADV_ROUTER_IN_PREFIX (&asbr_entry->prefix), | |
340 | buf, sizeof (buf)); | |
341 | zlog_info ("ignore non-best path: lsentry %s add", buf); | |
342 | return; | |
508e53e2 | 343 | } |
718e3744 | 344 | |
508e53e2 | 345 | type = htons (OSPF6_LSTYPE_AS_EXTERNAL); |
346 | router = ospf6_linkstate_prefix_adv_router (&asbr_entry->prefix); | |
cb4b8845 PJ |
347 | for (lsa = ospf6_lsdb_type_router_head (type, router, ospf6->lsdb); lsa; |
348 | lsa = ospf6_lsdb_type_router_next (type, router, lsa)) | |
508e53e2 | 349 | { |
350 | if (! OSPF6_LSA_IS_MAXAGE (lsa)) | |
351 | ospf6_asbr_lsa_add (lsa); | |
352 | } | |
508e53e2 | 353 | } |
354 | ||
355 | void | |
356 | ospf6_asbr_lsentry_remove (struct ospf6_route *asbr_entry) | |
718e3744 | 357 | { |
508e53e2 | 358 | struct ospf6_lsa *lsa; |
359 | u_int16_t type; | |
360 | u_int32_t router; | |
718e3744 | 361 | |
508e53e2 | 362 | type = htons (OSPF6_LSTYPE_AS_EXTERNAL); |
363 | router = ospf6_linkstate_prefix_adv_router (&asbr_entry->prefix); | |
364 | for (lsa = ospf6_lsdb_type_router_head (type, router, ospf6->lsdb); | |
365 | lsa; lsa = ospf6_lsdb_type_router_next (type, router, lsa)) | |
366 | ospf6_asbr_lsa_remove (lsa); | |
508e53e2 | 367 | } |
718e3744 | 368 | |
508e53e2 | 369 | |
6b0655a2 | 370 | |
508e53e2 | 371 | /* redistribute function */ |
372 | ||
6ac29a51 | 373 | static void |
0c083ee9 | 374 | ospf6_asbr_routemap_set (int type, const char *mapname) |
508e53e2 | 375 | { |
376 | if (ospf6->rmap[type].name) | |
377 | free (ospf6->rmap[type].name); | |
378 | ospf6->rmap[type].name = strdup (mapname); | |
379 | ospf6->rmap[type].map = route_map_lookup_by_name (mapname); | |
718e3744 | 380 | } |
381 | ||
6ac29a51 | 382 | static void |
508e53e2 | 383 | ospf6_asbr_routemap_unset (int type) |
718e3744 | 384 | { |
508e53e2 | 385 | if (ospf6->rmap[type].name) |
386 | free (ospf6->rmap[type].name); | |
387 | ospf6->rmap[type].name = NULL; | |
388 | ospf6->rmap[type].map = NULL; | |
389 | } | |
390 | ||
6ac29a51 | 391 | static void |
0c083ee9 | 392 | ospf6_asbr_routemap_update (const char *mapname) |
508e53e2 | 393 | { |
394 | int type; | |
718e3744 | 395 | |
508e53e2 | 396 | if (ospf6 == NULL) |
718e3744 | 397 | return; |
398 | ||
508e53e2 | 399 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) |
718e3744 | 400 | { |
508e53e2 | 401 | if (ospf6->rmap[type].name) |
402 | ospf6->rmap[type].map = | |
403 | route_map_lookup_by_name (ospf6->rmap[type].name); | |
718e3744 | 404 | else |
508e53e2 | 405 | ospf6->rmap[type].map = NULL; |
718e3744 | 406 | } |
407 | } | |
408 | ||
718e3744 | 409 | int |
508e53e2 | 410 | ospf6_asbr_is_asbr (struct ospf6 *o) |
411 | { | |
412 | return o->external_table->count; | |
413 | } | |
414 | ||
6ac29a51 | 415 | static void |
508e53e2 | 416 | ospf6_asbr_redistribute_set (int type) |
718e3744 | 417 | { |
508e53e2 | 418 | ospf6_zebra_redistribute (type); |
419 | } | |
420 | ||
6ac29a51 | 421 | static void |
508e53e2 | 422 | ospf6_asbr_redistribute_unset (int type) |
423 | { | |
424 | struct ospf6_route *route; | |
718e3744 | 425 | struct ospf6_external_info *info; |
718e3744 | 426 | |
508e53e2 | 427 | ospf6_zebra_no_redistribute (type); |
428 | ||
429 | for (route = ospf6_route_head (ospf6->external_table); route; | |
430 | route = ospf6_route_next (route)) | |
431 | { | |
432 | info = route->route_option; | |
433 | if (info->type != type) | |
434 | continue; | |
718e3744 | 435 | |
c3c0ac83 | 436 | ospf6_asbr_redistribute_remove (info->type, 0, &route->prefix); |
508e53e2 | 437 | } |
d9628728 CF |
438 | |
439 | ospf6_asbr_routemap_unset (type); | |
508e53e2 | 440 | } |
718e3744 | 441 | |
ca1f4309 DS |
442 | /* When an area is unstubified, flood all the external LSAs in the area */ |
443 | void | |
444 | ospf6_asbr_send_externals_to_area (struct ospf6_area *oa) | |
445 | { | |
446 | struct ospf6_lsa *lsa; | |
447 | ||
448 | for (lsa = ospf6_lsdb_head (oa->ospf6->lsdb); lsa; | |
449 | lsa = ospf6_lsdb_next (lsa)) | |
450 | { | |
451 | if (ntohs (lsa->header->type) == OSPF6_LSTYPE_AS_EXTERNAL) | |
452 | { | |
453 | zlog_debug ("%s: Flooding AS-External LSA %s\n", __func__, lsa->name); | |
454 | ospf6_flood_area (NULL, lsa, oa); | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
508e53e2 | 459 | void |
b892f1dd | 460 | ospf6_asbr_redistribute_add (int type, ifindex_t ifindex, struct prefix *prefix, |
464015fa | 461 | u_int nexthop_num, struct in6_addr *nexthop, route_tag_t tag) |
508e53e2 | 462 | { |
463 | int ret; | |
464 | struct ospf6_route troute; | |
465 | struct ospf6_external_info tinfo; | |
466 | struct ospf6_route *route, *match; | |
467 | struct ospf6_external_info *info; | |
468 | struct prefix prefix_id; | |
469 | struct route_node *node; | |
4690c7d7 | 470 | char pbuf[PREFIX2STR_BUFFER], ibuf[16]; |
1eb8ef25 | 471 | struct listnode *lnode, *lnnode; |
508e53e2 | 472 | struct ospf6_area *oa; |
473 | ||
474 | if (! ospf6_zebra_is_redistribute (type)) | |
475 | return; | |
476 | ||
477 | if (IS_OSPF6_DEBUG_ASBR) | |
478 | { | |
479 | prefix2str (prefix, pbuf, sizeof (pbuf)); | |
c6487d61 | 480 | zlog_debug ("Redistribute %s (%s)", pbuf, ZROUTE_NAME (type)); |
508e53e2 | 481 | } |
482 | ||
483 | /* if route-map was specified but not found, do not advertise */ | |
484 | if (ospf6->rmap[type].name) | |
718e3744 | 485 | { |
508e53e2 | 486 | if (ospf6->rmap[type].map == NULL) |
03d52f8d | 487 | ospf6_asbr_routemap_update (NULL); |
508e53e2 | 488 | if (ospf6->rmap[type].map == NULL) |
718e3744 | 489 | { |
508e53e2 | 490 | zlog_warn ("route-map \"%s\" not found, suppress redistributing", |
491 | ospf6->rmap[type].name); | |
492 | return; | |
718e3744 | 493 | } |
718e3744 | 494 | } |
495 | ||
508e53e2 | 496 | /* apply route-map */ |
497 | if (ospf6->rmap[type].map) | |
498 | { | |
499 | memset (&troute, 0, sizeof (troute)); | |
500 | memset (&tinfo, 0, sizeof (tinfo)); | |
501 | troute.route_option = &tinfo; | |
42a7debf | 502 | tinfo.ifindex = ifindex; |
464015fa | 503 | tinfo.tag = tag; |
718e3744 | 504 | |
508e53e2 | 505 | ret = route_map_apply (ospf6->rmap[type].map, prefix, |
506 | RMAP_OSPF6, &troute); | |
47828747 | 507 | if (ret == RMAP_DENYMATCH) |
508e53e2 | 508 | { |
509 | if (IS_OSPF6_DEBUG_ASBR) | |
c6487d61 | 510 | zlog_debug ("Denied by route-map \"%s\"", ospf6->rmap[type].name); |
508e53e2 | 511 | return; |
512 | } | |
513 | } | |
718e3744 | 514 | |
508e53e2 | 515 | match = ospf6_route_lookup (prefix, ospf6->external_table); |
516 | if (match) | |
517 | { | |
518 | info = match->route_option; | |
718e3744 | 519 | |
508e53e2 | 520 | /* copy result of route-map */ |
521 | if (ospf6->rmap[type].map) | |
522 | { | |
523 | if (troute.path.metric_type) | |
524 | match->path.metric_type = troute.path.metric_type; | |
525 | if (troute.path.cost) | |
526 | match->path.cost = troute.path.cost; | |
527 | if (! IN6_IS_ADDR_UNSPECIFIED (&tinfo.forwarding)) | |
528 | memcpy (&info->forwarding, &tinfo.forwarding, | |
529 | sizeof (struct in6_addr)); | |
464015fa CF |
530 | info->tag = tinfo.tag; |
531 | } | |
532 | else | |
533 | { | |
534 | /* If there is no route-map, simply update the tag */ | |
535 | info->tag = tag; | |
508e53e2 | 536 | } |
718e3744 | 537 | |
508e53e2 | 538 | info->type = type; |
c3c0ac83 | 539 | |
508e53e2 | 540 | if (nexthop_num && nexthop) |
c3c0ac83 DS |
541 | ospf6_route_add_nexthop (match, ifindex, nexthop); |
542 | else | |
543 | ospf6_route_add_nexthop (match, ifindex, NULL); | |
718e3744 | 544 | |
508e53e2 | 545 | /* create/update binding in external_id_table */ |
546 | prefix_id.family = AF_INET; | |
547 | prefix_id.prefixlen = 32; | |
548 | prefix_id.u.prefix4.s_addr = htonl (info->id); | |
549 | node = route_node_get (ospf6->external_id_table, &prefix_id); | |
550 | node->info = match; | |
718e3744 | 551 | |
508e53e2 | 552 | if (IS_OSPF6_DEBUG_ASBR) |
553 | { | |
554 | inet_ntop (AF_INET, &prefix_id.u.prefix4, ibuf, sizeof (ibuf)); | |
c6487d61 | 555 | zlog_debug ("Advertise as AS-External Id:%s", ibuf); |
508e53e2 | 556 | } |
718e3744 | 557 | |
3b68735f | 558 | match->path.origin.id = htonl (info->id); |
6452df09 | 559 | ospf6_as_external_lsa_originate (match); |
508e53e2 | 560 | return; |
561 | } | |
718e3744 | 562 | |
508e53e2 | 563 | /* create new entry */ |
564 | route = ospf6_route_create (); | |
565 | route->type = OSPF6_DEST_TYPE_NETWORK; | |
566 | memcpy (&route->prefix, prefix, sizeof (struct prefix)); | |
718e3744 | 567 | |
508e53e2 | 568 | info = (struct ospf6_external_info *) |
393deb9b | 569 | XCALLOC (MTYPE_OSPF6_EXTERNAL_INFO, sizeof (struct ospf6_external_info)); |
508e53e2 | 570 | route->route_option = info; |
571 | info->id = ospf6->external_id++; | |
572 | ||
573 | /* copy result of route-map */ | |
574 | if (ospf6->rmap[type].map) | |
718e3744 | 575 | { |
508e53e2 | 576 | if (troute.path.metric_type) |
577 | route->path.metric_type = troute.path.metric_type; | |
578 | if (troute.path.cost) | |
579 | route->path.cost = troute.path.cost; | |
580 | if (! IN6_IS_ADDR_UNSPECIFIED (&tinfo.forwarding)) | |
581 | memcpy (&info->forwarding, &tinfo.forwarding, | |
582 | sizeof (struct in6_addr)); | |
464015fa CF |
583 | info->tag = tinfo.tag; |
584 | } | |
585 | else | |
586 | { | |
587 | /* If there is no route-map, simply set the tag */ | |
588 | info->tag = tag; | |
718e3744 | 589 | } |
590 | ||
508e53e2 | 591 | info->type = type; |
508e53e2 | 592 | if (nexthop_num && nexthop) |
c3c0ac83 DS |
593 | ospf6_route_add_nexthop (route, ifindex, nexthop); |
594 | else | |
595 | ospf6_route_add_nexthop (route, ifindex, NULL); | |
508e53e2 | 596 | |
597 | /* create/update binding in external_id_table */ | |
598 | prefix_id.family = AF_INET; | |
599 | prefix_id.prefixlen = 32; | |
600 | prefix_id.u.prefix4.s_addr = htonl (info->id); | |
601 | node = route_node_get (ospf6->external_id_table, &prefix_id); | |
602 | node->info = route; | |
603 | ||
604 | route = ospf6_route_add (route, ospf6->external_table); | |
605 | route->route_option = info; | |
606 | ||
607 | if (IS_OSPF6_DEBUG_ASBR) | |
718e3744 | 608 | { |
508e53e2 | 609 | inet_ntop (AF_INET, &prefix_id.u.prefix4, ibuf, sizeof (ibuf)); |
c6487d61 | 610 | zlog_debug ("Advertise as AS-External Id:%s", ibuf); |
718e3744 | 611 | } |
612 | ||
3b68735f | 613 | route->path.origin.id = htonl (info->id); |
6452df09 | 614 | ospf6_as_external_lsa_originate (route); |
508e53e2 | 615 | |
616 | /* Router-Bit (ASBR Flag) may have to be updated */ | |
1eb8ef25 | 617 | for (ALL_LIST_ELEMENTS (ospf6->area_list, lnode, lnnode, oa)) |
618 | OSPF6_ROUTER_LSA_SCHEDULE (oa); | |
718e3744 | 619 | } |
620 | ||
508e53e2 | 621 | void |
b892f1dd PJ |
622 | ospf6_asbr_redistribute_remove (int type, ifindex_t ifindex, |
623 | struct prefix *prefix) | |
718e3744 | 624 | { |
508e53e2 | 625 | struct ospf6_route *match; |
626 | struct ospf6_external_info *info = NULL; | |
627 | struct route_node *node; | |
628 | struct ospf6_lsa *lsa; | |
629 | struct prefix prefix_id; | |
4690c7d7 | 630 | char pbuf[PREFIX2STR_BUFFER], ibuf[16]; |
1eb8ef25 | 631 | struct listnode *lnode, *lnnode; |
508e53e2 | 632 | struct ospf6_area *oa; |
718e3744 | 633 | |
508e53e2 | 634 | match = ospf6_route_lookup (prefix, ospf6->external_table); |
635 | if (match == NULL) | |
718e3744 | 636 | { |
508e53e2 | 637 | if (IS_OSPF6_DEBUG_ASBR) |
718e3744 | 638 | { |
508e53e2 | 639 | prefix2str (prefix, pbuf, sizeof (pbuf)); |
c6487d61 | 640 | zlog_debug ("No such route %s to withdraw", pbuf); |
718e3744 | 641 | } |
508e53e2 | 642 | return; |
718e3744 | 643 | } |
644 | ||
508e53e2 | 645 | info = match->route_option; |
646 | assert (info); | |
718e3744 | 647 | |
508e53e2 | 648 | if (info->type != type) |
718e3744 | 649 | { |
508e53e2 | 650 | if (IS_OSPF6_DEBUG_ASBR) |
651 | { | |
652 | prefix2str (prefix, pbuf, sizeof (pbuf)); | |
c6487d61 | 653 | zlog_debug ("Original protocol mismatch: %s", pbuf); |
508e53e2 | 654 | } |
655 | return; | |
718e3744 | 656 | } |
657 | ||
508e53e2 | 658 | if (IS_OSPF6_DEBUG_ASBR) |
659 | { | |
660 | prefix2str (prefix, pbuf, sizeof (pbuf)); | |
661 | inet_ntop (AF_INET, &prefix_id.u.prefix4, ibuf, sizeof (ibuf)); | |
c6487d61 | 662 | zlog_debug ("Withdraw %s (AS-External Id:%s)", pbuf, ibuf); |
508e53e2 | 663 | } |
718e3744 | 664 | |
508e53e2 | 665 | lsa = ospf6_lsdb_lookup (htons (OSPF6_LSTYPE_AS_EXTERNAL), |
666 | htonl (info->id), ospf6->router_id, ospf6->lsdb); | |
718e3744 | 667 | if (lsa) |
6452df09 | 668 | ospf6_lsa_purge (lsa); |
508e53e2 | 669 | |
670 | /* remove binding in external_id_table */ | |
671 | prefix_id.family = AF_INET; | |
672 | prefix_id.prefixlen = 32; | |
673 | prefix_id.u.prefix4.s_addr = htonl (info->id); | |
674 | node = route_node_lookup (ospf6->external_id_table, &prefix_id); | |
675 | assert (node); | |
676 | node->info = NULL; | |
677 | route_unlock_node (node); | |
678 | ||
679 | ospf6_route_remove (match, ospf6->external_table); | |
680 | XFREE (MTYPE_OSPF6_EXTERNAL_INFO, info); | |
681 | ||
682 | /* Router-Bit (ASBR Flag) may have to be updated */ | |
1eb8ef25 | 683 | for (ALL_LIST_ELEMENTS (ospf6->area_list, lnode, lnnode, oa)) |
684 | OSPF6_ROUTER_LSA_SCHEDULE (oa); | |
718e3744 | 685 | } |
686 | ||
508e53e2 | 687 | DEFUN (ospf6_redistribute, |
688 | ospf6_redistribute_cmd, | |
40d1cbfb | 689 | "redistribute " FRR_REDIST_STR_OSPF6D, |
508e53e2 | 690 | "Redistribute\n" |
3b14d86e | 691 | FRR_REDIST_HELP_STR_OSPF6D) |
718e3744 | 692 | { |
e0ca5fde DL |
693 | int type; |
694 | ||
6d681bd8 QY |
695 | char *proto = argv[argc - 1]->text; |
696 | type = proto_redistnum(AFI_IP6, proto); | |
697 | if (type < 0) | |
e0ca5fde | 698 | return CMD_WARNING; |
718e3744 | 699 | |
508e53e2 | 700 | ospf6_asbr_redistribute_unset (type); |
508e53e2 | 701 | ospf6_asbr_redistribute_set (type); |
702 | return CMD_SUCCESS; | |
703 | } | |
718e3744 | 704 | |
508e53e2 | 705 | DEFUN (ospf6_redistribute_routemap, |
706 | ospf6_redistribute_routemap_cmd, | |
40d1cbfb | 707 | "redistribute " FRR_REDIST_STR_OSPF6D " route-map WORD", |
508e53e2 | 708 | "Redistribute\n" |
ab0181ee | 709 | FRR_REDIST_HELP_STR_OSPF6D |
508e53e2 | 710 | "Route map reference\n" |
e52702f2 | 711 | "Route map name\n") |
508e53e2 | 712 | { |
51c26414 DW |
713 | int idx_protocol = 1; |
714 | int idx_word = 3; | |
e0ca5fde DL |
715 | int type; |
716 | ||
6d681bd8 QY |
717 | char *proto = argv[idx_protocol]->text; |
718 | type = proto_redistnum(AFI_IP6, proto); | |
719 | if (type < 0) | |
e0ca5fde | 720 | return CMD_WARNING; |
e26bbeba | 721 | |
508e53e2 | 722 | ospf6_asbr_redistribute_unset (type); |
51c26414 | 723 | ospf6_asbr_routemap_set (type, argv[idx_word]->arg); |
508e53e2 | 724 | ospf6_asbr_redistribute_set (type); |
725 | return CMD_SUCCESS; | |
726 | } | |
727 | ||
728 | DEFUN (no_ospf6_redistribute, | |
729 | no_ospf6_redistribute_cmd, | |
40d1cbfb | 730 | "no redistribute " FRR_REDIST_STR_OSPF6D " [route-map WORD]", |
508e53e2 | 731 | NO_STR |
732 | "Redistribute\n" | |
ab0181ee | 733 | FRR_REDIST_HELP_STR_OSPF6D |
1d68dbfe DW |
734 | "Route map reference\n" |
735 | "Route map name\n") | |
508e53e2 | 736 | { |
1d68dbfe | 737 | int idx_protocol = 2; |
e0ca5fde DL |
738 | int type; |
739 | ||
6d681bd8 QY |
740 | char *proto = argv[idx_protocol]->text; |
741 | type = proto_redistnum(AFI_IP6, proto); | |
742 | if (type < 0) | |
e0ca5fde | 743 | return CMD_WARNING; |
e26bbeba | 744 | |
508e53e2 | 745 | ospf6_asbr_redistribute_unset (type); |
e26bbeba | 746 | |
508e53e2 | 747 | return CMD_SUCCESS; |
748 | } | |
718e3744 | 749 | |
508e53e2 | 750 | int |
751 | ospf6_redistribute_config_write (struct vty *vty) | |
752 | { | |
753 | int type; | |
718e3744 | 754 | |
508e53e2 | 755 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) |
718e3744 | 756 | { |
508e53e2 | 757 | if (type == ZEBRA_ROUTE_OSPF6) |
758 | continue; | |
759 | if (! ospf6_zebra_is_redistribute (type)) | |
760 | continue; | |
718e3744 | 761 | |
508e53e2 | 762 | if (ospf6->rmap[type].name) |
763 | vty_out (vty, " redistribute %s route-map %s%s", | |
049207c3 | 764 | ZROUTE_NAME (type), ospf6->rmap[type].name, VNL); |
508e53e2 | 765 | else |
766 | vty_out (vty, " redistribute %s%s", | |
049207c3 | 767 | ZROUTE_NAME (type), VNL); |
508e53e2 | 768 | } |
718e3744 | 769 | |
770 | return 0; | |
771 | } | |
772 | ||
6ac29a51 | 773 | static void |
508e53e2 | 774 | ospf6_redistribute_show_config (struct vty *vty) |
718e3744 | 775 | { |
508e53e2 | 776 | int type; |
777 | int nroute[ZEBRA_ROUTE_MAX]; | |
778 | int total; | |
779 | struct ospf6_route *route; | |
780 | struct ospf6_external_info *info; | |
718e3744 | 781 | |
508e53e2 | 782 | total = 0; |
783 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) | |
784 | nroute[type] = 0; | |
785 | for (route = ospf6_route_head (ospf6->external_table); route; | |
786 | route = ospf6_route_next (route)) | |
718e3744 | 787 | { |
508e53e2 | 788 | info = route->route_option; |
789 | nroute[info->type]++; | |
790 | total++; | |
718e3744 | 791 | } |
792 | ||
049207c3 | 793 | vty_out (vty, "Redistributing External Routes from:%s", VNL); |
508e53e2 | 794 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) |
718e3744 | 795 | { |
508e53e2 | 796 | if (type == ZEBRA_ROUTE_OSPF6) |
797 | continue; | |
798 | if (! ospf6_zebra_is_redistribute (type)) | |
799 | continue; | |
718e3744 | 800 | |
508e53e2 | 801 | if (ospf6->rmap[type].name) |
802 | vty_out (vty, " %d: %s with route-map \"%s\"%s%s", nroute[type], | |
803 | ZROUTE_NAME (type), ospf6->rmap[type].name, | |
804 | (ospf6->rmap[type].map ? "" : " (not found !)"), | |
049207c3 | 805 | VNL); |
718e3744 | 806 | else |
508e53e2 | 807 | vty_out (vty, " %d: %s%s", nroute[type], |
049207c3 | 808 | ZROUTE_NAME (type), VNL); |
718e3744 | 809 | } |
049207c3 | 810 | vty_out (vty, "Total %d routes%s", total, VNL); |
508e53e2 | 811 | } |
718e3744 | 812 | |
718e3744 | 813 | |
6b0655a2 | 814 | |
508e53e2 | 815 | /* Routemap Functions */ |
6ac29a51 | 816 | static route_map_result_t |
508e53e2 | 817 | ospf6_routemap_rule_match_address_prefixlist (void *rule, |
818 | struct prefix *prefix, | |
819 | route_map_object_t type, | |
820 | void *object) | |
821 | { | |
822 | struct prefix_list *plist; | |
718e3744 | 823 | |
508e53e2 | 824 | if (type != RMAP_OSPF6) |
825 | return RMAP_NOMATCH; | |
718e3744 | 826 | |
508e53e2 | 827 | plist = prefix_list_lookup (AFI_IP6, (char *) rule); |
828 | if (plist == NULL) | |
829 | return RMAP_NOMATCH; | |
718e3744 | 830 | |
508e53e2 | 831 | return (prefix_list_apply (plist, prefix) == PREFIX_DENY ? |
832 | RMAP_NOMATCH : RMAP_MATCH); | |
833 | } | |
718e3744 | 834 | |
6ac29a51 | 835 | static void * |
0c083ee9 | 836 | ospf6_routemap_rule_match_address_prefixlist_compile (const char *arg) |
508e53e2 | 837 | { |
838 | return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 839 | } |
840 | ||
6ac29a51 | 841 | static void |
508e53e2 | 842 | ospf6_routemap_rule_match_address_prefixlist_free (void *rule) |
718e3744 | 843 | { |
508e53e2 | 844 | XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); |
845 | } | |
718e3744 | 846 | |
508e53e2 | 847 | struct route_map_rule_cmd |
848 | ospf6_routemap_rule_match_address_prefixlist_cmd = | |
849 | { | |
850 | "ipv6 address prefix-list", | |
851 | ospf6_routemap_rule_match_address_prefixlist, | |
852 | ospf6_routemap_rule_match_address_prefixlist_compile, | |
853 | ospf6_routemap_rule_match_address_prefixlist_free, | |
854 | }; | |
718e3744 | 855 | |
42a7debf VT |
856 | /* `match interface IFNAME' */ |
857 | /* Match function should return 1 if match is success else return | |
858 | zero. */ | |
859 | static route_map_result_t | |
860 | ospf6_routemap_rule_match_interface (void *rule, struct prefix *prefix, | |
861 | route_map_object_t type, void *object) | |
862 | { | |
863 | struct interface *ifp; | |
864 | struct ospf6_external_info *ei; | |
865 | ||
866 | if (type == RMAP_OSPF6) | |
867 | { | |
868 | ei = ((struct ospf6_route *) object)->route_option; | |
869 | ifp = if_lookup_by_name ((char *)rule); | |
870 | ||
871 | if (ifp != NULL | |
872 | && ei->ifindex == ifp->ifindex) | |
873 | return RMAP_MATCH; | |
874 | } | |
875 | ||
876 | return RMAP_NOMATCH; | |
877 | } | |
878 | ||
879 | /* Route map `interface' match statement. `arg' should be | |
880 | interface name. */ | |
881 | static void * | |
882 | ospf6_routemap_rule_match_interface_compile (const char *arg) | |
883 | { | |
884 | return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); | |
885 | } | |
886 | ||
887 | /* Free route map's compiled `interface' value. */ | |
888 | static void | |
889 | ospf6_routemap_rule_match_interface_free (void *rule) | |
890 | { | |
891 | XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); | |
892 | } | |
893 | ||
894 | /* Route map commands for interface matching. */ | |
895 | struct route_map_rule_cmd | |
896 | ospf6_routemap_rule_match_interface_cmd = | |
897 | { | |
898 | "interface", | |
899 | ospf6_routemap_rule_match_interface, | |
900 | ospf6_routemap_rule_match_interface_compile, | |
901 | ospf6_routemap_rule_match_interface_free | |
902 | }; | |
903 | ||
464015fa CF |
904 | /* Match function for matching route tags */ |
905 | static route_map_result_t | |
906 | ospf6_routemap_rule_match_tag (void *rule, struct prefix *prefix, | |
907 | route_map_object_t type, void *object) | |
908 | { | |
909 | route_tag_t *tag = rule; | |
910 | struct ospf6_route *route = object; | |
911 | struct ospf6_external_info *info = route->route_option; | |
912 | ||
913 | if (type == RMAP_OSPF6 && info->tag == *tag) | |
914 | return RMAP_MATCH; | |
915 | ||
916 | return RMAP_NOMATCH; | |
917 | } | |
918 | ||
919 | static struct route_map_rule_cmd | |
920 | ospf6_routemap_rule_match_tag_cmd = | |
921 | { | |
922 | "tag", | |
923 | ospf6_routemap_rule_match_tag, | |
924 | route_map_rule_tag_compile, | |
925 | route_map_rule_tag_free, | |
926 | }; | |
927 | ||
6ac29a51 | 928 | static route_map_result_t |
508e53e2 | 929 | ospf6_routemap_rule_set_metric_type (void *rule, struct prefix *prefix, |
930 | route_map_object_t type, void *object) | |
931 | { | |
932 | char *metric_type = rule; | |
933 | struct ospf6_route *route = object; | |
718e3744 | 934 | |
508e53e2 | 935 | if (type != RMAP_OSPF6) |
936 | return RMAP_OKAY; | |
718e3744 | 937 | |
508e53e2 | 938 | if (strcmp (metric_type, "type-2") == 0) |
939 | route->path.metric_type = 2; | |
718e3744 | 940 | else |
508e53e2 | 941 | route->path.metric_type = 1; |
718e3744 | 942 | |
508e53e2 | 943 | return RMAP_OKAY; |
944 | } | |
718e3744 | 945 | |
6ac29a51 | 946 | static void * |
0c083ee9 | 947 | ospf6_routemap_rule_set_metric_type_compile (const char *arg) |
508e53e2 | 948 | { |
949 | if (strcmp (arg, "type-2") && strcmp (arg, "type-1")) | |
950 | return NULL; | |
951 | return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 952 | } |
953 | ||
6ac29a51 | 954 | static void |
508e53e2 | 955 | ospf6_routemap_rule_set_metric_type_free (void *rule) |
718e3744 | 956 | { |
508e53e2 | 957 | XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); |
958 | } | |
718e3744 | 959 | |
508e53e2 | 960 | struct route_map_rule_cmd |
961 | ospf6_routemap_rule_set_metric_type_cmd = | |
962 | { | |
963 | "metric-type", | |
964 | ospf6_routemap_rule_set_metric_type, | |
965 | ospf6_routemap_rule_set_metric_type_compile, | |
966 | ospf6_routemap_rule_set_metric_type_free, | |
967 | }; | |
718e3744 | 968 | |
6ac29a51 | 969 | static route_map_result_t |
508e53e2 | 970 | ospf6_routemap_rule_set_metric (void *rule, struct prefix *prefix, |
971 | route_map_object_t type, void *object) | |
972 | { | |
973 | char *metric = rule; | |
974 | struct ospf6_route *route = object; | |
718e3744 | 975 | |
508e53e2 | 976 | if (type != RMAP_OSPF6) |
977 | return RMAP_OKAY; | |
718e3744 | 978 | |
508e53e2 | 979 | route->path.cost = atoi (metric); |
980 | return RMAP_OKAY; | |
981 | } | |
718e3744 | 982 | |
6ac29a51 | 983 | static void * |
0c083ee9 | 984 | ospf6_routemap_rule_set_metric_compile (const char *arg) |
508e53e2 | 985 | { |
986 | u_int32_t metric; | |
987 | char *endp; | |
988 | metric = strtoul (arg, &endp, 0); | |
8551e6da | 989 | if (metric > OSPF_LS_INFINITY || *endp != '\0') |
508e53e2 | 990 | return NULL; |
991 | return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 992 | } |
993 | ||
6ac29a51 | 994 | static void |
508e53e2 | 995 | ospf6_routemap_rule_set_metric_free (void *rule) |
718e3744 | 996 | { |
508e53e2 | 997 | XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); |
998 | } | |
718e3744 | 999 | |
508e53e2 | 1000 | struct route_map_rule_cmd |
1001 | ospf6_routemap_rule_set_metric_cmd = | |
1002 | { | |
1003 | "metric", | |
1004 | ospf6_routemap_rule_set_metric, | |
1005 | ospf6_routemap_rule_set_metric_compile, | |
1006 | ospf6_routemap_rule_set_metric_free, | |
1007 | }; | |
718e3744 | 1008 | |
6ac29a51 | 1009 | static route_map_result_t |
508e53e2 | 1010 | ospf6_routemap_rule_set_forwarding (void *rule, struct prefix *prefix, |
1011 | route_map_object_t type, void *object) | |
1012 | { | |
1013 | char *forwarding = rule; | |
1014 | struct ospf6_route *route = object; | |
1015 | struct ospf6_external_info *info = route->route_option; | |
718e3744 | 1016 | |
508e53e2 | 1017 | if (type != RMAP_OSPF6) |
1018 | return RMAP_OKAY; | |
718e3744 | 1019 | |
508e53e2 | 1020 | if (inet_pton (AF_INET6, forwarding, &info->forwarding) != 1) |
718e3744 | 1021 | { |
508e53e2 | 1022 | memset (&info->forwarding, 0, sizeof (struct in6_addr)); |
1023 | return RMAP_ERROR; | |
718e3744 | 1024 | } |
718e3744 | 1025 | |
508e53e2 | 1026 | return RMAP_OKAY; |
718e3744 | 1027 | } |
1028 | ||
6ac29a51 | 1029 | static void * |
0c083ee9 | 1030 | ospf6_routemap_rule_set_forwarding_compile (const char *arg) |
718e3744 | 1031 | { |
508e53e2 | 1032 | struct in6_addr a; |
1033 | if (inet_pton (AF_INET6, arg, &a) != 1) | |
1034 | return NULL; | |
1035 | return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); | |
718e3744 | 1036 | } |
1037 | ||
6ac29a51 | 1038 | static void |
508e53e2 | 1039 | ospf6_routemap_rule_set_forwarding_free (void *rule) |
718e3744 | 1040 | { |
508e53e2 | 1041 | XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); |
1042 | } | |
718e3744 | 1043 | |
508e53e2 | 1044 | struct route_map_rule_cmd |
1045 | ospf6_routemap_rule_set_forwarding_cmd = | |
1046 | { | |
1047 | "forwarding-address", | |
1048 | ospf6_routemap_rule_set_forwarding, | |
1049 | ospf6_routemap_rule_set_forwarding_compile, | |
1050 | ospf6_routemap_rule_set_forwarding_free, | |
1051 | }; | |
718e3744 | 1052 | |
464015fa CF |
1053 | static route_map_result_t |
1054 | ospf6_routemap_rule_set_tag (void *rule, struct prefix *prefix, | |
1055 | route_map_object_t type, void *object) | |
1056 | { | |
1057 | route_tag_t *tag = rule; | |
1058 | struct ospf6_route *route = object; | |
1059 | struct ospf6_external_info *info = route->route_option; | |
1060 | ||
1061 | if (type != RMAP_OSPF6) | |
1062 | return RMAP_OKAY; | |
1063 | ||
1064 | info->tag = *tag; | |
1065 | return RMAP_OKAY; | |
1066 | } | |
1067 | ||
1068 | static struct route_map_rule_cmd | |
1069 | ospf6_routemap_rule_set_tag_cmd = | |
1070 | { | |
1071 | "tag", | |
1072 | ospf6_routemap_rule_set_tag, | |
1073 | route_map_rule_tag_compile, | |
1074 | route_map_rule_tag_free, | |
1075 | }; | |
1076 | ||
6ac29a51 | 1077 | static int |
508e53e2 | 1078 | route_map_command_status (struct vty *vty, int ret) |
1079 | { | |
1080 | if (! ret) | |
1081 | return CMD_SUCCESS; | |
718e3744 | 1082 | |
508e53e2 | 1083 | switch (ret) |
718e3744 | 1084 | { |
508e53e2 | 1085 | case RMAP_RULE_MISSING: |
5e3edbf5 | 1086 | vty_out (vty, "OSPF6 Can't find rule.%s", VNL); |
508e53e2 | 1087 | break; |
1088 | case RMAP_COMPILE_ERROR: | |
5e3edbf5 | 1089 | vty_out (vty, "OSPF6 Argument is malformed.%s", VNL); |
508e53e2 | 1090 | break; |
1091 | default: | |
5e3edbf5 | 1092 | vty_out (vty, "OSPF6 route-map add set failed.%s", VNL); |
508e53e2 | 1093 | break; |
718e3744 | 1094 | } |
508e53e2 | 1095 | return CMD_WARNING; |
1096 | } | |
718e3744 | 1097 | |
508e53e2 | 1098 | /* add "set metric-type" */ |
1099 | DEFUN (ospf6_routemap_set_metric_type, | |
1100 | ospf6_routemap_set_metric_type_cmd, | |
6147e2c6 | 1101 | "set metric-type <type-1|type-2>", |
508e53e2 | 1102 | "Set value\n" |
1103 | "Type of metric\n" | |
1104 | "OSPF6 external type 1 metric\n" | |
1105 | "OSPF6 external type 2 metric\n") | |
1106 | { | |
cdc2d765 | 1107 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
51c26414 | 1108 | int idx_external = 2; |
cdc2d765 | 1109 | int ret = route_map_add_set (route_map_index, |
51c26414 | 1110 | "metric-type", argv[idx_external]->arg); |
508e53e2 | 1111 | return route_map_command_status (vty, ret); |
718e3744 | 1112 | } |
1113 | ||
508e53e2 | 1114 | /* delete "set metric-type" */ |
1115 | DEFUN (ospf6_routemap_no_set_metric_type, | |
1116 | ospf6_routemap_no_set_metric_type_cmd, | |
6147e2c6 | 1117 | "no set metric-type <type-1|type-2>", |
508e53e2 | 1118 | NO_STR |
1119 | "Set value\n" | |
1120 | "Type of metric\n" | |
1121 | "OSPF6 external type 1 metric\n" | |
1122 | "OSPF6 external type 2 metric\n") | |
718e3744 | 1123 | { |
cdc2d765 | 1124 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
51c26414 | 1125 | int idx_external = 3; |
cdc2d765 | 1126 | int ret = route_map_delete_set (route_map_index, |
51c26414 | 1127 | "metric-type", argv[idx_external]->arg); |
508e53e2 | 1128 | return route_map_command_status (vty, ret); |
1129 | } | |
718e3744 | 1130 | |
508e53e2 | 1131 | /* add "set forwarding-address" */ |
1132 | DEFUN (ospf6_routemap_set_forwarding, | |
1133 | ospf6_routemap_set_forwarding_cmd, | |
1134 | "set forwarding-address X:X::X:X", | |
1135 | "Set value\n" | |
1136 | "Forwarding Address\n" | |
1137 | "IPv6 Address\n") | |
1138 | { | |
cdc2d765 | 1139 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
51c26414 | 1140 | int idx_ipv6 = 2; |
cdc2d765 | 1141 | int ret = route_map_add_set (route_map_index, |
51c26414 | 1142 | "forwarding-address", argv[idx_ipv6]->arg); |
508e53e2 | 1143 | return route_map_command_status (vty, ret); |
1144 | } | |
718e3744 | 1145 | |
508e53e2 | 1146 | /* delete "set forwarding-address" */ |
1147 | DEFUN (ospf6_routemap_no_set_forwarding, | |
1148 | ospf6_routemap_no_set_forwarding_cmd, | |
1149 | "no set forwarding-address X:X::X:X", | |
1150 | NO_STR | |
1151 | "Set value\n" | |
1152 | "Forwarding Address\n" | |
1153 | "IPv6 Address\n") | |
1154 | { | |
cdc2d765 | 1155 | VTY_DECLVAR_CONTEXT(route_map_index, route_map_index); |
51c26414 | 1156 | int idx_ipv6 = 3; |
cdc2d765 | 1157 | int ret = route_map_delete_set (route_map_index, |
51c26414 | 1158 | "forwarding-address", argv[idx_ipv6]->arg); |
508e53e2 | 1159 | return route_map_command_status (vty, ret); |
1160 | } | |
718e3744 | 1161 | |
6ac29a51 PJ |
1162 | static void |
1163 | ospf6_routemap_init (void) | |
508e53e2 | 1164 | { |
1165 | route_map_init (); | |
b2575bc0 | 1166 | |
508e53e2 | 1167 | route_map_add_hook (ospf6_asbr_routemap_update); |
1168 | route_map_delete_hook (ospf6_asbr_routemap_update); | |
1169 | ||
82f97584 DW |
1170 | route_map_set_metric_hook (generic_set_add); |
1171 | route_map_no_set_metric_hook (generic_set_delete); | |
1172 | ||
508e53e2 | 1173 | route_map_install_match (&ospf6_routemap_rule_match_address_prefixlist_cmd); |
42a7debf | 1174 | route_map_install_match (&ospf6_routemap_rule_match_interface_cmd); |
464015fa | 1175 | route_map_install_match (&ospf6_routemap_rule_match_tag_cmd); |
42a7debf | 1176 | |
508e53e2 | 1177 | route_map_install_set (&ospf6_routemap_rule_set_metric_type_cmd); |
1178 | route_map_install_set (&ospf6_routemap_rule_set_metric_cmd); | |
1179 | route_map_install_set (&ospf6_routemap_rule_set_forwarding_cmd); | |
464015fa | 1180 | route_map_install_set (&ospf6_routemap_rule_set_tag_cmd); |
508e53e2 | 1181 | |
508e53e2 | 1182 | /* ASE Metric Type (e.g. Type-1/Type-2) */ |
1183 | install_element (RMAP_NODE, &ospf6_routemap_set_metric_type_cmd); | |
1184 | install_element (RMAP_NODE, &ospf6_routemap_no_set_metric_type_cmd); | |
1185 | ||
508e53e2 | 1186 | /* ASE Metric */ |
1187 | install_element (RMAP_NODE, &ospf6_routemap_set_forwarding_cmd); | |
1188 | install_element (RMAP_NODE, &ospf6_routemap_no_set_forwarding_cmd); | |
718e3744 | 1189 | } |
1190 | ||
6b0655a2 | 1191 | |
508e53e2 | 1192 | /* Display functions */ |
e68a6767 DD |
1193 | static char * |
1194 | ospf6_as_external_lsa_get_prefix_str (struct ospf6_lsa *lsa, char *buf, | |
1195 | int buflen, int pos) | |
1196 | { | |
1197 | struct ospf6_as_external_lsa *external; | |
1198 | struct in6_addr in6; | |
1199 | int prefix_length = 0; | |
1200 | ||
1201 | if (lsa) | |
1202 | { | |
1203 | external = (struct ospf6_as_external_lsa *) | |
1204 | OSPF6_LSA_HEADER_END (lsa->header); | |
1205 | ||
1206 | if (pos == 0) | |
1207 | { | |
1208 | ospf6_prefix_in6_addr (&in6, &external->prefix); | |
1209 | prefix_length = external->prefix.prefix_length; | |
1210 | } | |
1211 | else { | |
1212 | in6 = *((struct in6_addr *) | |
1213 | ((caddr_t) external + sizeof (struct ospf6_as_external_lsa) + | |
1214 | OSPF6_PREFIX_SPACE (external->prefix.prefix_length))); | |
1215 | } | |
1216 | if (buf) | |
1217 | { | |
1218 | inet_ntop (AF_INET6, &in6, buf, buflen); | |
1219 | if (prefix_length) | |
1220 | sprintf (&buf[strlen(buf)], "/%d", prefix_length); | |
1221 | } | |
1222 | } | |
1223 | return (buf); | |
1224 | } | |
1225 | ||
6ac29a51 | 1226 | static int |
508e53e2 | 1227 | ospf6_as_external_lsa_show (struct vty *vty, struct ospf6_lsa *lsa) |
718e3744 | 1228 | { |
508e53e2 | 1229 | struct ospf6_as_external_lsa *external; |
1230 | char buf[64]; | |
718e3744 | 1231 | |
1232 | assert (lsa->header); | |
508e53e2 | 1233 | external = (struct ospf6_as_external_lsa *) |
1234 | OSPF6_LSA_HEADER_END (lsa->header); | |
718e3744 | 1235 | |
1236 | /* bits */ | |
508e53e2 | 1237 | snprintf (buf, sizeof (buf), "%c%c%c", |
1238 | (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_E) ? 'E' : '-'), | |
1239 | (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_F) ? 'F' : '-'), | |
1240 | (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_T) ? 'T' : '-')); | |
718e3744 | 1241 | |
049207c3 | 1242 | vty_out (vty, " Bits: %s%s", buf, VNL); |
508e53e2 | 1243 | vty_out (vty, " Metric: %5lu%s", (u_long) OSPF6_ASBR_METRIC (external), |
049207c3 | 1244 | VNL); |
718e3744 | 1245 | |
508e53e2 | 1246 | ospf6_prefix_options_printbuf (external->prefix.prefix_options, |
1247 | buf, sizeof (buf)); | |
1248 | vty_out (vty, " Prefix Options: %s%s", buf, | |
049207c3 | 1249 | VNL); |
718e3744 | 1250 | |
1251 | vty_out (vty, " Referenced LSType: %d%s", | |
508e53e2 | 1252 | ntohs (external->prefix.prefix_refer_lstype), |
049207c3 | 1253 | VNL); |
718e3744 | 1254 | |
e68a6767 DD |
1255 | vty_out (vty, " Prefix: %s%s", |
1256 | ospf6_as_external_lsa_get_prefix_str (lsa, buf, sizeof(buf), 0), VNL); | |
718e3744 | 1257 | |
1258 | /* Forwarding-Address */ | |
1259 | if (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_F)) | |
1260 | { | |
e68a6767 DD |
1261 | vty_out (vty, " Forwarding-Address: %s%s", |
1262 | ospf6_as_external_lsa_get_prefix_str (lsa, buf, sizeof(buf), 1), | |
1263 | VNL); | |
718e3744 | 1264 | } |
1265 | ||
464015fa CF |
1266 | /* Tag */ |
1267 | if (CHECK_FLAG (external->bits_metric, OSPF6_ASBR_BIT_T)) | |
1268 | { | |
1269 | vty_out (vty, " Tag: %"ROUTE_TAG_PRI"%s", | |
1270 | ospf6_as_external_lsa_get_tag (lsa), VNL); | |
1271 | } | |
1272 | ||
718e3744 | 1273 | return 0; |
1274 | } | |
1275 | ||
6ac29a51 | 1276 | static void |
508e53e2 | 1277 | ospf6_asbr_external_route_show (struct vty *vty, struct ospf6_route *route) |
718e3744 | 1278 | { |
508e53e2 | 1279 | struct ospf6_external_info *info = route->route_option; |
4690c7d7 | 1280 | char prefix[PREFIX2STR_BUFFER], id[16], forwarding[64]; |
508e53e2 | 1281 | u_int32_t tmp_id; |
718e3744 | 1282 | |
508e53e2 | 1283 | prefix2str (&route->prefix, prefix, sizeof (prefix)); |
1284 | tmp_id = ntohl (info->id); | |
1285 | inet_ntop (AF_INET, &tmp_id, id, sizeof (id)); | |
1286 | if (! IN6_IS_ADDR_UNSPECIFIED (&info->forwarding)) | |
1287 | inet_ntop (AF_INET6, &info->forwarding, forwarding, sizeof (forwarding)); | |
1288 | else | |
1289 | snprintf (forwarding, sizeof (forwarding), ":: (ifindex %d)", | |
c3c0ac83 | 1290 | ospf6_route_get_first_nh_index (route)); |
508e53e2 | 1291 | |
f52d13cb | 1292 | vty_out (vty, "%c %-32s %-15s type-%d %5lu %s%s", |
1293 | zebra_route_char(info->type), | |
508e53e2 | 1294 | prefix, id, route->path.metric_type, |
1295 | (u_long) (route->path.metric_type == 2 ? | |
c3c0ac83 | 1296 | route->path.u.cost_e2 : route->path.cost), |
049207c3 | 1297 | forwarding, VNL); |
718e3744 | 1298 | } |
1299 | ||
508e53e2 | 1300 | DEFUN (show_ipv6_ospf6_redistribute, |
1301 | show_ipv6_ospf6_redistribute_cmd, | |
1302 | "show ipv6 ospf6 redistribute", | |
1303 | SHOW_STR | |
1304 | IP6_STR | |
1305 | OSPF6_STR | |
1306 | "redistributing External information\n" | |
1307 | ) | |
718e3744 | 1308 | { |
508e53e2 | 1309 | struct ospf6_route *route; |
718e3744 | 1310 | |
b52a8a52 DS |
1311 | OSPF6_CMD_CHECK_RUNNING (); |
1312 | ||
508e53e2 | 1313 | ospf6_redistribute_show_config (vty); |
718e3744 | 1314 | |
508e53e2 | 1315 | for (route = ospf6_route_head (ospf6->external_table); route; |
1316 | route = ospf6_route_next (route)) | |
1317 | ospf6_asbr_external_route_show (vty, route); | |
1318 | ||
1319 | return CMD_SUCCESS; | |
718e3744 | 1320 | } |
1321 | ||
6452df09 | 1322 | struct ospf6_lsa_handler as_external_handler = |
718e3744 | 1323 | { |
6452df09 | 1324 | OSPF6_LSTYPE_AS_EXTERNAL, |
1325 | "AS-External", | |
e68a6767 DD |
1326 | "ASE", |
1327 | ospf6_as_external_lsa_show, | |
1328 | ospf6_as_external_lsa_get_prefix_str | |
6452df09 | 1329 | }; |
508e53e2 | 1330 | |
718e3744 | 1331 | void |
6ac29a51 | 1332 | ospf6_asbr_init (void) |
718e3744 | 1333 | { |
508e53e2 | 1334 | ospf6_routemap_init (); |
1335 | ||
6452df09 | 1336 | ospf6_install_lsa_handler (&as_external_handler); |
718e3744 | 1337 | |
508e53e2 | 1338 | install_element (VIEW_NODE, &show_ipv6_ospf6_redistribute_cmd); |
508e53e2 | 1339 | |
718e3744 | 1340 | install_element (OSPF6_NODE, &ospf6_redistribute_cmd); |
1341 | install_element (OSPF6_NODE, &ospf6_redistribute_routemap_cmd); | |
1342 | install_element (OSPF6_NODE, &no_ospf6_redistribute_cmd); | |
1343 | } | |
1344 | ||
d9628728 CF |
1345 | void |
1346 | ospf6_asbr_redistribute_reset (void) | |
1347 | { | |
1348 | int type; | |
1349 | ||
1350 | for (type = 0; type < ZEBRA_ROUTE_MAX; type++) | |
1351 | { | |
1352 | if (type == ZEBRA_ROUTE_OSPF6) | |
1353 | continue; | |
1354 | if (ospf6_zebra_is_redistribute (type)) | |
1355 | ospf6_asbr_redistribute_unset(type); | |
1356 | } | |
1357 | } | |
1358 | ||
ae2254aa TG |
1359 | void |
1360 | ospf6_asbr_terminate (void) | |
1361 | { | |
1362 | route_map_finish (); | |
1363 | } | |
718e3744 | 1364 | |
508e53e2 | 1365 | DEFUN (debug_ospf6_asbr, |
1366 | debug_ospf6_asbr_cmd, | |
1367 | "debug ospf6 asbr", | |
1368 | DEBUG_STR | |
1369 | OSPF6_STR | |
1370 | "Debug OSPFv3 ASBR function\n" | |
1371 | ) | |
1372 | { | |
1373 | OSPF6_DEBUG_ASBR_ON (); | |
1374 | return CMD_SUCCESS; | |
1375 | } | |
1376 | ||
1377 | DEFUN (no_debug_ospf6_asbr, | |
1378 | no_debug_ospf6_asbr_cmd, | |
1379 | "no debug ospf6 asbr", | |
1380 | NO_STR | |
1381 | DEBUG_STR | |
1382 | OSPF6_STR | |
1383 | "Debug OSPFv3 ASBR function\n" | |
1384 | ) | |
1385 | { | |
1386 | OSPF6_DEBUG_ASBR_OFF (); | |
1387 | return CMD_SUCCESS; | |
1388 | } | |
1389 | ||
1390 | int | |
1391 | config_write_ospf6_debug_asbr (struct vty *vty) | |
1392 | { | |
1393 | if (IS_OSPF6_DEBUG_ASBR) | |
049207c3 | 1394 | vty_out (vty, "debug ospf6 asbr%s", VNL); |
508e53e2 | 1395 | return 0; |
1396 | } | |
1397 | ||
1398 | void | |
92300491 DW |
1399 | install_element_ospf6_debug_asbr () |
1400 | { | |
1401 | install_element (ENABLE_NODE, &debug_ospf6_asbr_cmd); | |
1402 | install_element (ENABLE_NODE, &no_debug_ospf6_asbr_cmd); | |
1403 | install_element (CONFIG_NODE, &debug_ospf6_asbr_cmd); | |
1404 | install_element (CONFIG_NODE, &no_debug_ospf6_asbr_cmd); | |
1405 | } |