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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 | ||
508e53e2 | 21 | #include <zebra.h> |
22 | ||
23 | #include "log.h" | |
24 | #include "memory.h" | |
25 | #include "prefix.h" | |
26 | #include "table.h" | |
27 | #include "vty.h" | |
28 | #include "command.h" | |
cf1ce250 | 29 | #include "linklist.h" |
508e53e2 | 30 | |
508e53e2 | 31 | #include "ospf6_proto.h" |
32 | #include "ospf6_lsa.h" | |
049207c3 | 33 | #include "ospf6_lsdb.h" |
508e53e2 | 34 | #include "ospf6_route.h" |
cf1ce250 PJ |
35 | #include "ospf6_top.h" |
36 | #include "ospf6_area.h" | |
37 | #include "ospf6_interface.h" | |
049207c3 | 38 | #include "ospf6d.h" |
c3c0ac83 | 39 | #include "ospf6_zebra.h" |
718e3744 | 40 | |
508e53e2 | 41 | unsigned char conf_debug_ospf6_route = 0; |
718e3744 | 42 | |
d62a17ae | 43 | static char *ospf6_route_table_name(struct ospf6_route_table *table) |
cf1ce250 | 44 | { |
d62a17ae | 45 | static char name[64]; |
46 | switch (table->scope_type) { | |
47 | case OSPF6_SCOPE_TYPE_GLOBAL: { | |
48 | switch (table->table_type) { | |
49 | case OSPF6_TABLE_TYPE_ROUTES: | |
50 | snprintf(name, sizeof(name), "global route table"); | |
51 | break; | |
52 | case OSPF6_TABLE_TYPE_BORDER_ROUTERS: | |
53 | snprintf(name, sizeof(name), "global brouter table"); | |
54 | break; | |
55 | case OSPF6_TABLE_TYPE_EXTERNAL_ROUTES: | |
56 | snprintf(name, sizeof(name), "global external table"); | |
57 | break; | |
58 | default: | |
59 | snprintf(name, sizeof(name), "global unknown table"); | |
60 | break; | |
61 | } | |
62 | } break; | |
63 | ||
64 | case OSPF6_SCOPE_TYPE_AREA: { | |
65 | struct ospf6_area *oa = (struct ospf6_area *)table->scope; | |
66 | switch (table->table_type) { | |
67 | case OSPF6_TABLE_TYPE_SPF_RESULTS: | |
68 | snprintf(name, sizeof(name), "area %s spf table", | |
69 | oa->name); | |
70 | break; | |
71 | case OSPF6_TABLE_TYPE_ROUTES: | |
72 | snprintf(name, sizeof(name), "area %s route table", | |
73 | oa->name); | |
74 | break; | |
75 | case OSPF6_TABLE_TYPE_PREFIX_RANGES: | |
76 | snprintf(name, sizeof(name), "area %s range table", | |
77 | oa->name); | |
78 | break; | |
79 | case OSPF6_TABLE_TYPE_SUMMARY_PREFIXES: | |
80 | snprintf(name, sizeof(name), | |
81 | "area %s summary prefix table", oa->name); | |
82 | break; | |
83 | case OSPF6_TABLE_TYPE_SUMMARY_ROUTERS: | |
84 | snprintf(name, sizeof(name), | |
85 | "area %s summary router table", oa->name); | |
86 | break; | |
87 | default: | |
88 | snprintf(name, sizeof(name), "area %s unknown table", | |
89 | oa->name); | |
90 | break; | |
91 | } | |
92 | } break; | |
93 | ||
94 | case OSPF6_SCOPE_TYPE_INTERFACE: { | |
95 | struct ospf6_interface *oi = | |
96 | (struct ospf6_interface *)table->scope; | |
97 | switch (table->table_type) { | |
98 | case OSPF6_TABLE_TYPE_CONNECTED_ROUTES: | |
99 | snprintf(name, sizeof(name), | |
100 | "interface %s connected table", | |
101 | oi->interface->name); | |
102 | break; | |
103 | default: | |
104 | snprintf(name, sizeof(name), | |
105 | "interface %s unknown table", | |
106 | oi->interface->name); | |
107 | break; | |
108 | } | |
109 | } break; | |
110 | ||
111 | default: { | |
112 | switch (table->table_type) { | |
113 | case OSPF6_TABLE_TYPE_SPF_RESULTS: | |
114 | snprintf(name, sizeof(name), "temporary spf table"); | |
115 | break; | |
116 | default: | |
117 | snprintf(name, sizeof(name), "temporary unknown table"); | |
118 | break; | |
119 | } | |
120 | } break; | |
121 | } | |
122 | return name; | |
cf1ce250 PJ |
123 | } |
124 | ||
d62a17ae | 125 | void ospf6_linkstate_prefix(u_int32_t adv_router, u_int32_t id, |
126 | struct prefix *prefix) | |
508e53e2 | 127 | { |
d62a17ae | 128 | memset(prefix, 0, sizeof(struct prefix)); |
129 | prefix->family = AF_INET6; | |
130 | prefix->prefixlen = 64; | |
131 | memcpy(&prefix->u.prefix6.s6_addr[0], &adv_router, 4); | |
132 | memcpy(&prefix->u.prefix6.s6_addr[4], &id, 4); | |
508e53e2 | 133 | } |
718e3744 | 134 | |
d62a17ae | 135 | void ospf6_linkstate_prefix2str(struct prefix *prefix, char *buf, int size) |
718e3744 | 136 | { |
d62a17ae | 137 | u_int32_t adv_router, id; |
138 | char adv_router_str[16], id_str[16]; | |
139 | memcpy(&adv_router, &prefix->u.prefix6.s6_addr[0], 4); | |
140 | memcpy(&id, &prefix->u.prefix6.s6_addr[4], 4); | |
141 | inet_ntop(AF_INET, &adv_router, adv_router_str, sizeof(adv_router_str)); | |
142 | inet_ntop(AF_INET, &id, id_str, sizeof(id_str)); | |
143 | if (ntohl(id)) | |
144 | snprintf(buf, size, "%s Net-ID: %s", adv_router_str, id_str); | |
145 | else | |
146 | snprintf(buf, size, "%s", adv_router_str); | |
508e53e2 | 147 | } |
718e3744 | 148 | |
508e53e2 | 149 | /* Global strings for logging */ |
d62a17ae | 150 | const char *ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX] = { |
151 | "Unknown", "Router", "Network", "Discard", "Linkstate", "AddressRange", | |
152 | }; | |
718e3744 | 153 | |
d62a17ae | 154 | const char *ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX] = { |
155 | "?", "R", "N", "D", "L", "A", | |
156 | }; | |
718e3744 | 157 | |
d62a17ae | 158 | const char *ospf6_path_type_str[OSPF6_PATH_TYPE_MAX] = { |
159 | "Unknown", "Intra-Area", "Inter-Area", "External-1", "External-2", | |
160 | }; | |
718e3744 | 161 | |
d62a17ae | 162 | const char *ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX] = { |
163 | "??", "IA", "IE", "E1", "E2", | |
164 | }; | |
718e3744 | 165 | |
718e3744 | 166 | |
d62a17ae | 167 | struct ospf6_nexthop *ospf6_nexthop_create(void) |
c3c0ac83 | 168 | { |
d62a17ae | 169 | struct ospf6_nexthop *nh; |
c3c0ac83 | 170 | |
d62a17ae | 171 | nh = XCALLOC(MTYPE_OSPF6_NEXTHOP, sizeof(struct ospf6_nexthop)); |
172 | return nh; | |
c3c0ac83 DS |
173 | } |
174 | ||
d62a17ae | 175 | void ospf6_nexthop_delete(struct ospf6_nexthop *nh) |
c3c0ac83 | 176 | { |
d62a17ae | 177 | if (nh) |
178 | XFREE(MTYPE_OSPF6_NEXTHOP, nh); | |
c3c0ac83 DS |
179 | } |
180 | ||
d62a17ae | 181 | void ospf6_clear_nexthops(struct list *nh_list) |
c3c0ac83 | 182 | { |
d62a17ae | 183 | struct listnode *node; |
184 | struct ospf6_nexthop *nh; | |
185 | ||
186 | if (nh_list) { | |
187 | for (ALL_LIST_ELEMENTS_RO(nh_list, node, nh)) | |
188 | ospf6_nexthop_clear(nh); | |
189 | } | |
c3c0ac83 DS |
190 | } |
191 | ||
192 | static struct ospf6_nexthop * | |
d62a17ae | 193 | ospf6_route_find_nexthop(struct list *nh_list, struct ospf6_nexthop *nh_match) |
c3c0ac83 | 194 | { |
d62a17ae | 195 | struct listnode *node; |
196 | struct ospf6_nexthop *nh; | |
197 | ||
198 | if (nh_list && nh_match) { | |
199 | for (ALL_LIST_ELEMENTS_RO(nh_list, node, nh)) { | |
200 | if (ospf6_nexthop_is_same(nh, nh_match)) | |
201 | return (nh); | |
202 | } | |
c3c0ac83 | 203 | } |
c3c0ac83 | 204 | |
d62a17ae | 205 | return (NULL); |
c3c0ac83 DS |
206 | } |
207 | ||
d62a17ae | 208 | void ospf6_copy_nexthops(struct list *dst, struct list *src) |
c3c0ac83 | 209 | { |
d62a17ae | 210 | struct ospf6_nexthop *nh_new, *nh; |
211 | struct listnode *node; | |
212 | ||
213 | if (dst && src) { | |
214 | for (ALL_LIST_ELEMENTS_RO(src, node, nh)) { | |
215 | if (ospf6_nexthop_is_set(nh)) { | |
216 | nh_new = ospf6_nexthop_create(); | |
217 | ospf6_nexthop_copy(nh_new, nh); | |
218 | listnode_add(dst, nh_new); | |
219 | } | |
220 | } | |
c3c0ac83 | 221 | } |
c3c0ac83 DS |
222 | } |
223 | ||
d62a17ae | 224 | void ospf6_merge_nexthops(struct list *dst, struct list *src) |
c3c0ac83 | 225 | { |
d62a17ae | 226 | struct listnode *node; |
227 | struct ospf6_nexthop *nh, *nh_new; | |
228 | ||
229 | if (src && dst) { | |
230 | for (ALL_LIST_ELEMENTS_RO(src, node, nh)) { | |
231 | if (!ospf6_route_find_nexthop(dst, nh)) { | |
232 | nh_new = ospf6_nexthop_create(); | |
233 | ospf6_nexthop_copy(nh_new, nh); | |
234 | listnode_add(dst, nh_new); | |
235 | } | |
236 | } | |
c3c0ac83 | 237 | } |
c3c0ac83 DS |
238 | } |
239 | ||
d62a17ae | 240 | int ospf6_route_cmp_nexthops(struct ospf6_route *a, struct ospf6_route *b) |
c3c0ac83 | 241 | { |
d62a17ae | 242 | struct listnode *anode, *bnode; |
243 | struct ospf6_nexthop *anh, *bnh; | |
244 | ||
245 | if (a && b) { | |
246 | if (listcount(a->nh_list) == listcount(b->nh_list)) { | |
247 | for (ALL_LIST_ELEMENTS_RO(a->nh_list, anode, anh)) { | |
248 | for (ALL_LIST_ELEMENTS_RO(b->nh_list, bnode, | |
249 | bnh)) | |
250 | if (!ospf6_nexthop_is_same(anh, bnh)) | |
251 | return (1); | |
252 | } | |
253 | return (0); | |
254 | } else | |
255 | return (1); | |
c3c0ac83 | 256 | } |
d62a17ae | 257 | /* One of the routes doesn't exist ? */ |
c3c0ac83 | 258 | return (1); |
c3c0ac83 DS |
259 | } |
260 | ||
d62a17ae | 261 | int ospf6_num_nexthops(struct list *nh_list) |
c3c0ac83 | 262 | { |
d62a17ae | 263 | return (listcount(nh_list)); |
c3c0ac83 DS |
264 | } |
265 | ||
d62a17ae | 266 | void ospf6_add_nexthop(struct list *nh_list, int ifindex, struct in6_addr *addr) |
c3c0ac83 | 267 | { |
d62a17ae | 268 | struct ospf6_nexthop *nh; |
269 | struct ospf6_nexthop nh_match; | |
270 | ||
271 | if (nh_list) { | |
272 | nh_match.ifindex = ifindex; | |
273 | if (addr != NULL) | |
274 | memcpy(&nh_match.address, addr, | |
275 | sizeof(struct in6_addr)); | |
276 | else | |
277 | memset(&nh_match.address, 0, sizeof(struct in6_addr)); | |
278 | ||
279 | if (!ospf6_route_find_nexthop(nh_list, &nh_match)) { | |
280 | nh = ospf6_nexthop_create(); | |
281 | ospf6_nexthop_copy(nh, &nh_match); | |
282 | listnode_add(nh_list, nh); | |
283 | } | |
c3c0ac83 | 284 | } |
c3c0ac83 DS |
285 | } |
286 | ||
d62a17ae | 287 | void ospf6_route_zebra_copy_nexthops(struct ospf6_route *route, |
5afa1c6b | 288 | struct zapi_nexthop nexthops[], |
d62a17ae | 289 | int entries) |
c3c0ac83 | 290 | { |
d62a17ae | 291 | struct ospf6_nexthop *nh; |
292 | struct listnode *node; | |
293 | char buf[64]; | |
294 | int i; | |
295 | ||
296 | if (route) { | |
297 | i = 0; | |
298 | for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) { | |
299 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) { | |
300 | const char *ifname; | |
301 | inet_ntop(AF_INET6, &nh->address, buf, | |
302 | sizeof(buf)); | |
303 | ifname = ifindex2ifname(nh->ifindex, | |
304 | VRF_DEFAULT); | |
305 | zlog_debug(" nexthop: %s%%%.*s(%d)", buf, | |
306 | IFNAMSIZ, ifname, nh->ifindex); | |
307 | } | |
b30f3b91 RW |
308 | if (i >= entries) |
309 | return; | |
310 | ||
311 | nexthops[i].ifindex = nh->ifindex; | |
312 | if (!IN6_IS_ADDR_UNSPECIFIED(&nh->address)) { | |
5afa1c6b | 313 | nexthops[i].gate.ipv6 = nh->address; |
5afa1c6b | 314 | nexthops[i].type = NEXTHOP_TYPE_IPV6_IFINDEX; |
b30f3b91 RW |
315 | } else |
316 | nexthops[i].type = NEXTHOP_TYPE_IFINDEX; | |
317 | i++; | |
d62a17ae | 318 | } |
c3c0ac83 | 319 | } |
c3c0ac83 DS |
320 | } |
321 | ||
d62a17ae | 322 | int ospf6_route_get_first_nh_index(struct ospf6_route *route) |
c3c0ac83 | 323 | { |
d62a17ae | 324 | struct ospf6_nexthop *nh; |
c3c0ac83 | 325 | |
d62a17ae | 326 | if (route) { |
327 | if ((nh = (struct ospf6_nexthop *)listhead(route->nh_list))) | |
328 | return (nh->ifindex); | |
329 | } | |
c3c0ac83 | 330 | |
d62a17ae | 331 | return (-1); |
c3c0ac83 DS |
332 | } |
333 | ||
d107621d CS |
334 | static int ospf6_nexthop_cmp(struct ospf6_nexthop *a, struct ospf6_nexthop *b) |
335 | { | |
336 | if ((a)->ifindex == (b)->ifindex && | |
337 | IN6_ARE_ADDR_EQUAL(&(a)->address, &(b)->address)) | |
338 | return 1; | |
339 | return 0; | |
340 | } | |
341 | ||
d62a17ae | 342 | struct ospf6_route *ospf6_route_create(void) |
718e3744 | 343 | { |
d62a17ae | 344 | struct ospf6_route *route; |
345 | route = XCALLOC(MTYPE_OSPF6_ROUTE, sizeof(struct ospf6_route)); | |
346 | route->nh_list = list_new(); | |
d107621d CS |
347 | route->nh_list->cmp = (int (*)(void *, void *))ospf6_nexthop_cmp; |
348 | route->nh_list->del = (void (*) (void *))ospf6_nexthop_delete; | |
d62a17ae | 349 | return route; |
508e53e2 | 350 | } |
718e3744 | 351 | |
d62a17ae | 352 | void ospf6_route_delete(struct ospf6_route *route) |
508e53e2 | 353 | { |
d62a17ae | 354 | if (route) { |
d107621d | 355 | if (route->nh_list) |
affe9e99 | 356 | list_delete_and_null(&route->nh_list); |
d62a17ae | 357 | XFREE(MTYPE_OSPF6_ROUTE, route); |
358 | } | |
718e3744 | 359 | } |
360 | ||
d62a17ae | 361 | struct ospf6_route *ospf6_route_copy(struct ospf6_route *route) |
718e3744 | 362 | { |
d62a17ae | 363 | struct ospf6_route *new; |
364 | ||
365 | new = ospf6_route_create(); | |
366 | new->type = route->type; | |
367 | memcpy(&new->prefix, &route->prefix, sizeof(struct prefix)); | |
368 | new->installed = route->installed; | |
369 | new->changed = route->changed; | |
370 | new->flag = route->flag; | |
371 | new->route_option = route->route_option; | |
372 | new->linkstate_id = route->linkstate_id; | |
373 | new->path = route->path; | |
374 | ospf6_copy_nexthops(new->nh_list, route->nh_list); | |
375 | new->rnode = NULL; | |
376 | new->prev = NULL; | |
377 | new->next = NULL; | |
378 | new->table = NULL; | |
379 | new->lock = 0; | |
380 | return new; | |
508e53e2 | 381 | } |
718e3744 | 382 | |
d62a17ae | 383 | void ospf6_route_lock(struct ospf6_route *route) |
508e53e2 | 384 | { |
d62a17ae | 385 | route->lock++; |
508e53e2 | 386 | } |
718e3744 | 387 | |
d62a17ae | 388 | void ospf6_route_unlock(struct ospf6_route *route) |
508e53e2 | 389 | { |
d62a17ae | 390 | assert(route->lock > 0); |
391 | route->lock--; | |
392 | if (route->lock == 0) { | |
393 | /* Can't detach from the table until here | |
394 | because ospf6_route_next () will use | |
395 | the 'route->table' pointer for logging */ | |
396 | route->table = NULL; | |
397 | ospf6_route_delete(route); | |
398 | } | |
508e53e2 | 399 | } |
718e3744 | 400 | |
508e53e2 | 401 | /* Route compare function. If ra is more preferred, it returns |
402 | less than 0. If rb is more preferred returns greater than 0. | |
403 | Otherwise (neither one is preferred), returns 0 */ | |
d62a17ae | 404 | int ospf6_route_cmp(struct ospf6_route *ra, struct ospf6_route *rb) |
508e53e2 | 405 | { |
d62a17ae | 406 | assert(ospf6_route_is_same(ra, rb)); |
407 | assert(OSPF6_PATH_TYPE_NONE < ra->path.type | |
408 | && ra->path.type < OSPF6_PATH_TYPE_MAX); | |
409 | assert(OSPF6_PATH_TYPE_NONE < rb->path.type | |
410 | && rb->path.type < OSPF6_PATH_TYPE_MAX); | |
411 | ||
412 | if (ra->type != rb->type) | |
413 | return (ra->type - rb->type); | |
414 | ||
415 | if (ra->path.area_id != rb->path.area_id) | |
416 | return (ntohl(ra->path.area_id) - ntohl(rb->path.area_id)); | |
417 | ||
418 | if (ra->path.type != rb->path.type) | |
419 | return (ra->path.type - rb->path.type); | |
420 | ||
421 | if (ra->path.type == OSPF6_PATH_TYPE_EXTERNAL2) { | |
422 | if (ra->path.u.cost_e2 != rb->path.u.cost_e2) | |
423 | return (ra->path.u.cost_e2 - rb->path.u.cost_e2); | |
424 | } else { | |
425 | if (ra->path.cost != rb->path.cost) | |
426 | return (ra->path.cost - rb->path.cost); | |
427 | } | |
428 | ||
429 | return 0; | |
718e3744 | 430 | } |
431 | ||
d62a17ae | 432 | struct ospf6_route *ospf6_route_lookup(struct prefix *prefix, |
433 | struct ospf6_route_table *table) | |
718e3744 | 434 | { |
d62a17ae | 435 | struct route_node *node; |
436 | struct ospf6_route *route; | |
718e3744 | 437 | |
d62a17ae | 438 | node = route_node_lookup(table->table, prefix); |
439 | if (node == NULL) | |
440 | return NULL; | |
508e53e2 | 441 | |
d62a17ae | 442 | route = (struct ospf6_route *)node->info; |
d107621d | 443 | route_unlock_node(node); /* to free the lookup lock */ |
d62a17ae | 444 | return route; |
508e53e2 | 445 | } |
718e3744 | 446 | |
508e53e2 | 447 | struct ospf6_route * |
d62a17ae | 448 | ospf6_route_lookup_identical(struct ospf6_route *route, |
449 | struct ospf6_route_table *table) | |
508e53e2 | 450 | { |
d62a17ae | 451 | struct ospf6_route *target; |
452 | ||
453 | for (target = ospf6_route_lookup(&route->prefix, table); target; | |
454 | target = target->next) { | |
455 | if (ospf6_route_is_identical(target, route)) | |
456 | return target; | |
457 | } | |
458 | return NULL; | |
718e3744 | 459 | } |
460 | ||
508e53e2 | 461 | struct ospf6_route * |
d62a17ae | 462 | ospf6_route_lookup_bestmatch(struct prefix *prefix, |
463 | struct ospf6_route_table *table) | |
718e3744 | 464 | { |
d62a17ae | 465 | struct route_node *node; |
466 | struct ospf6_route *route; | |
718e3744 | 467 | |
d62a17ae | 468 | node = route_node_match(table->table, prefix); |
469 | if (node == NULL) | |
470 | return NULL; | |
471 | route_unlock_node(node); | |
718e3744 | 472 | |
d62a17ae | 473 | route = (struct ospf6_route *)node->info; |
474 | return route; | |
718e3744 | 475 | } |
476 | ||
e39d0538 | 477 | #ifdef DEBUG |
d62a17ae | 478 | static void route_table_assert(struct ospf6_route_table *table) |
718e3744 | 479 | { |
d62a17ae | 480 | struct ospf6_route *prev, *r, *next; |
481 | char buf[PREFIX2STR_BUFFER]; | |
482 | unsigned int link_error = 0, num = 0; | |
483 | ||
484 | r = ospf6_route_head(table); | |
485 | prev = NULL; | |
486 | while (r) { | |
487 | if (r->prev != prev) | |
488 | link_error++; | |
489 | ||
490 | next = ospf6_route_next(r); | |
491 | ||
492 | if (r->next != next) | |
493 | link_error++; | |
494 | ||
495 | prev = r; | |
496 | r = next; | |
497 | } | |
498 | ||
499 | for (r = ospf6_route_head(table); r; r = ospf6_route_next(r)) | |
500 | num++; | |
501 | ||
502 | if (link_error == 0 && num == table->count) | |
503 | return; | |
504 | ||
505 | zlog_err("PANIC !!"); | |
506 | zlog_err("Something has gone wrong with ospf6_route_table[%p]", table); | |
507 | zlog_debug("table count = %d, real number = %d", table->count, num); | |
508 | zlog_debug("DUMP START"); | |
509 | for (r = ospf6_route_head(table); r; r = ospf6_route_next(r)) { | |
510 | prefix2str(&r->prefix, buf, sizeof(buf)); | |
511 | zlog_info("%p<-[%p]->%p : %s", r->prev, r, r->next, buf); | |
512 | } | |
513 | zlog_debug("DUMP END"); | |
514 | ||
515 | assert(link_error == 0 && num == table->count); | |
718e3744 | 516 | } |
cf1ce250 | 517 | #define ospf6_route_table_assert(t) (route_table_assert (t)) |
508e53e2 | 518 | #else |
cf1ce250 | 519 | #define ospf6_route_table_assert(t) ((void) 0) |
e39d0538 | 520 | #endif /*DEBUG*/ |
718e3744 | 521 | |
d62a17ae | 522 | struct ospf6_route *ospf6_route_add(struct ospf6_route *route, |
523 | struct ospf6_route_table *table) | |
718e3744 | 524 | { |
d62a17ae | 525 | struct route_node *node, *nextnode, *prevnode; |
526 | struct ospf6_route *current = NULL; | |
527 | struct ospf6_route *prev = NULL, *old = NULL, *next = NULL; | |
528 | char buf[PREFIX2STR_BUFFER]; | |
529 | struct timeval now; | |
530 | ||
531 | assert(route->rnode == NULL); | |
532 | assert(route->lock == 0); | |
533 | assert(route->next == NULL); | |
534 | assert(route->prev == NULL); | |
535 | ||
536 | if (route->type == OSPF6_DEST_TYPE_LINKSTATE) | |
537 | ospf6_linkstate_prefix2str(&route->prefix, buf, sizeof(buf)); | |
538 | else | |
539 | prefix2str(&route->prefix, buf, sizeof(buf)); | |
540 | ||
541 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
542 | zlog_debug("%s %p: route add %p: %s", | |
543 | ospf6_route_table_name(table), (void *)table, | |
544 | (void *)route, buf); | |
545 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) | |
546 | zlog_debug("%s: route add: %s", ospf6_route_table_name(table), | |
547 | buf); | |
548 | ||
549 | monotime(&now); | |
550 | ||
551 | node = route_node_get(table->table, &route->prefix); | |
552 | route->rnode = node; | |
553 | ||
554 | /* find place to insert */ | |
555 | for (current = node->info; current; current = current->next) { | |
556 | if (!ospf6_route_is_same(current, route)) | |
557 | next = current; | |
558 | else if (current->type != route->type) | |
559 | prev = current; | |
560 | else if (ospf6_route_is_same_origin(current, route)) | |
561 | old = current; | |
562 | else if (ospf6_route_cmp(current, route) > 0) | |
563 | next = current; | |
564 | else | |
565 | prev = current; | |
566 | ||
567 | if (old || next) | |
568 | break; | |
569 | } | |
718e3744 | 570 | |
d62a17ae | 571 | if (old) { |
572 | /* if route does not actually change, return unchanged */ | |
573 | if (ospf6_route_is_identical(old, route)) { | |
574 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
575 | zlog_debug( | |
576 | "%s %p: route add %p: needless update of %p", | |
577 | ospf6_route_table_name(table), | |
578 | (void *)table, (void *)route, | |
579 | (void *)old); | |
580 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) | |
581 | zlog_debug("%s: route add: needless update", | |
582 | ospf6_route_table_name(table)); | |
583 | ||
584 | ospf6_route_delete(route); | |
585 | SET_FLAG(old->flag, OSPF6_ROUTE_ADD); | |
586 | ospf6_route_table_assert(table); | |
587 | ||
d107621d CS |
588 | /* to free the lookup lock */ |
589 | route_unlock_node(node); | |
d62a17ae | 590 | return old; |
591 | } | |
592 | ||
593 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
594 | zlog_debug("%s %p: route add %p: update of %p", | |
595 | ospf6_route_table_name(table), (void *)table, | |
596 | (void *)route, (void *)old); | |
597 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) | |
598 | zlog_debug("%s: route add: update", | |
599 | ospf6_route_table_name(table)); | |
600 | ||
601 | /* replace old one if exists */ | |
602 | if (node->info == old) { | |
603 | node->info = route; | |
604 | SET_FLAG(route->flag, OSPF6_ROUTE_BEST); | |
605 | } | |
606 | ||
607 | if (old->prev) | |
608 | old->prev->next = route; | |
609 | route->prev = old->prev; | |
610 | if (old->next) | |
611 | old->next->prev = route; | |
612 | route->next = old->next; | |
613 | ||
614 | route->installed = old->installed; | |
615 | route->changed = now; | |
616 | assert(route->table == NULL); | |
617 | route->table = table; | |
618 | ||
619 | ospf6_route_unlock(old); /* will be deleted later */ | |
620 | ospf6_route_lock(route); | |
621 | ||
622 | SET_FLAG(route->flag, OSPF6_ROUTE_CHANGE); | |
623 | ospf6_route_table_assert(table); | |
624 | ||
625 | if (table->hook_add) | |
626 | (*table->hook_add)(route); | |
627 | ||
628 | return route; | |
629 | } | |
630 | ||
631 | /* insert if previous or next node found */ | |
632 | if (prev || next) { | |
633 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
634 | zlog_debug( | |
dfac5d39 | 635 | "%s %p: route add %p: another path: prev %p, next %p node refcount %u", |
d62a17ae | 636 | ospf6_route_table_name(table), (void *)table, |
d107621d CS |
637 | (void *)route, (void *)prev, (void *)next, |
638 | node->lock); | |
d62a17ae | 639 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) |
640 | zlog_debug("%s: route add: another path found", | |
641 | ospf6_route_table_name(table)); | |
642 | ||
643 | if (prev == NULL) | |
644 | prev = next->prev; | |
645 | if (next == NULL) | |
646 | next = prev->next; | |
647 | ||
648 | if (prev) | |
649 | prev->next = route; | |
650 | route->prev = prev; | |
651 | if (next) | |
652 | next->prev = route; | |
653 | route->next = next; | |
654 | ||
655 | if (node->info == next) { | |
656 | assert(next->rnode == node); | |
657 | node->info = route; | |
658 | UNSET_FLAG(next->flag, OSPF6_ROUTE_BEST); | |
659 | SET_FLAG(route->flag, OSPF6_ROUTE_BEST); | |
660 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
661 | zlog_info( | |
662 | "%s %p: route add %p: replacing previous best: %p", | |
663 | ospf6_route_table_name(table), | |
664 | (void *)table, (void *)route, | |
665 | (void *)next); | |
666 | } | |
667 | ||
668 | route->installed = now; | |
669 | route->changed = now; | |
670 | assert(route->table == NULL); | |
671 | route->table = table; | |
672 | ||
673 | ospf6_route_lock(route); | |
674 | table->count++; | |
675 | ospf6_route_table_assert(table); | |
676 | ||
677 | SET_FLAG(route->flag, OSPF6_ROUTE_ADD); | |
678 | if (table->hook_add) | |
679 | (*table->hook_add)(route); | |
680 | ||
681 | return route; | |
682 | } | |
683 | ||
684 | /* Else, this is the brand new route regarding to the prefix */ | |
685 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
dd2395e1 | 686 | zlog_debug("%s %p: route add %p %s : brand new route", |
d62a17ae | 687 | ospf6_route_table_name(table), (void *)table, |
dd2395e1 | 688 | (void *)route, buf); |
d62a17ae | 689 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) |
690 | zlog_debug("%s: route add: brand new route", | |
691 | ospf6_route_table_name(table)); | |
692 | ||
693 | assert(node->info == NULL); | |
694 | node->info = route; | |
695 | SET_FLAG(route->flag, OSPF6_ROUTE_BEST); | |
696 | ospf6_route_lock(route); | |
697 | route->installed = now; | |
698 | route->changed = now; | |
699 | assert(route->table == NULL); | |
700 | route->table = table; | |
701 | ||
702 | /* lookup real existing next route */ | |
703 | nextnode = node; | |
704 | route_lock_node(nextnode); | |
705 | do { | |
706 | nextnode = route_next(nextnode); | |
707 | } while (nextnode && nextnode->info == NULL); | |
708 | ||
709 | /* set next link */ | |
710 | if (nextnode == NULL) | |
711 | route->next = NULL; | |
712 | else { | |
713 | route_unlock_node(nextnode); | |
714 | ||
715 | next = nextnode->info; | |
716 | route->next = next; | |
717 | next->prev = route; | |
718 | } | |
719 | ||
720 | /* lookup real existing prev route */ | |
721 | prevnode = node; | |
722 | route_lock_node(prevnode); | |
723 | do { | |
724 | prevnode = route_prev(prevnode); | |
725 | } while (prevnode && prevnode->info == NULL); | |
726 | ||
727 | /* set prev link */ | |
728 | if (prevnode == NULL) | |
729 | route->prev = NULL; | |
730 | else { | |
731 | route_unlock_node(prevnode); | |
732 | ||
733 | prev = prevnode->info; | |
734 | while (prev->next && ospf6_route_is_same(prev, prev->next)) | |
735 | prev = prev->next; | |
736 | route->prev = prev; | |
737 | prev->next = route; | |
738 | } | |
739 | ||
740 | table->count++; | |
741 | ospf6_route_table_assert(table); | |
742 | ||
743 | SET_FLAG(route->flag, OSPF6_ROUTE_ADD); | |
744 | if (table->hook_add) | |
745 | (*table->hook_add)(route); | |
746 | ||
747 | return route; | |
508e53e2 | 748 | } |
718e3744 | 749 | |
d62a17ae | 750 | void ospf6_route_remove(struct ospf6_route *route, |
751 | struct ospf6_route_table *table) | |
508e53e2 | 752 | { |
d62a17ae | 753 | struct route_node *node; |
754 | struct ospf6_route *current; | |
755 | char buf[PREFIX2STR_BUFFER]; | |
756 | ||
757 | if (route->type == OSPF6_DEST_TYPE_LINKSTATE) | |
758 | ospf6_linkstate_prefix2str(&route->prefix, buf, sizeof(buf)); | |
759 | else | |
760 | prefix2str(&route->prefix, buf, sizeof(buf)); | |
761 | ||
762 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
dd2395e1 | 763 | zlog_debug("%s %p: route remove %p: %s refcount %u", |
d62a17ae | 764 | ospf6_route_table_name(table), (void *)table, |
dd2395e1 | 765 | (void *)route, buf, route->lock); |
d62a17ae | 766 | else if (IS_OSPF6_DEBUG_ROUTE(TABLE)) |
767 | zlog_debug("%s: route remove: %s", | |
768 | ospf6_route_table_name(table), buf); | |
769 | ||
770 | node = route_node_lookup(table->table, &route->prefix); | |
771 | assert(node); | |
772 | ||
773 | /* find the route to remove, making sure that the route pointer | |
774 | is from the route table. */ | |
775 | current = node->info; | |
d107621d | 776 | while (current && current != route) |
d62a17ae | 777 | current = current->next; |
d107621d | 778 | |
d62a17ae | 779 | assert(current == route); |
780 | ||
781 | /* adjust doubly linked list */ | |
782 | if (route->prev) | |
783 | route->prev->next = route->next; | |
784 | if (route->next) | |
785 | route->next->prev = route->prev; | |
786 | ||
787 | if (node->info == route) { | |
788 | if (route->next && route->next->rnode == node) { | |
789 | node->info = route->next; | |
790 | SET_FLAG(route->next->flag, OSPF6_ROUTE_BEST); | |
d107621d CS |
791 | } else { |
792 | node->info = NULL; | |
793 | route->rnode = NULL; | |
794 | route_unlock_node(node); /* to free the original lock */ | |
795 | } | |
d62a17ae | 796 | } |
508e53e2 | 797 | |
d107621d | 798 | route_unlock_node(node); /* to free the lookup lock */ |
d62a17ae | 799 | table->count--; |
800 | ospf6_route_table_assert(table); | |
718e3744 | 801 | |
d62a17ae | 802 | SET_FLAG(route->flag, OSPF6_ROUTE_WAS_REMOVED); |
508e53e2 | 803 | |
dd2395e1 | 804 | /* Note hook_remove may call ospf6_route_remove */ |
d62a17ae | 805 | if (table->hook_remove) |
806 | (*table->hook_remove)(route); | |
cf1ce250 | 807 | |
d62a17ae | 808 | ospf6_route_unlock(route); |
809 | } | |
cf1ce250 | 810 | |
d62a17ae | 811 | struct ospf6_route *ospf6_route_head(struct ospf6_route_table *table) |
812 | { | |
813 | struct route_node *node; | |
814 | struct ospf6_route *route; | |
815 | ||
816 | node = route_top(table->table); | |
817 | if (node == NULL) | |
818 | return NULL; | |
819 | ||
820 | /* skip to the real existing entry */ | |
821 | while (node && node->info == NULL) | |
822 | node = route_next(node); | |
823 | if (node == NULL) | |
824 | return NULL; | |
825 | ||
826 | route_unlock_node(node); | |
827 | assert(node->info); | |
828 | ||
829 | route = (struct ospf6_route *)node->info; | |
830 | assert(route->prev == NULL); | |
831 | assert(route->table == table); | |
832 | ospf6_route_lock(route); | |
833 | ||
834 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) | |
835 | zlog_info("%s %p: route head: %p<-[%p]->%p", | |
836 | ospf6_route_table_name(table), (void *)table, | |
837 | (void *)route->prev, (void *)route, | |
838 | (void *)route->next); | |
839 | ||
840 | return route; | |
718e3744 | 841 | } |
842 | ||
d62a17ae | 843 | struct ospf6_route *ospf6_route_next(struct ospf6_route *route) |
718e3744 | 844 | { |
d62a17ae | 845 | struct ospf6_route *next = route->next; |
718e3744 | 846 | |
d62a17ae | 847 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) |
848 | zlog_info("%s %p: route next: %p<-[%p]->%p", | |
849 | ospf6_route_table_name(route->table), | |
850 | (void *)route->table, (void *)route->prev, | |
851 | (void *)route, (void *)route->next); | |
cf1ce250 | 852 | |
d62a17ae | 853 | ospf6_route_unlock(route); |
854 | if (next) | |
855 | ospf6_route_lock(next); | |
718e3744 | 856 | |
d62a17ae | 857 | return next; |
508e53e2 | 858 | } |
718e3744 | 859 | |
d62a17ae | 860 | struct ospf6_route *ospf6_route_best_next(struct ospf6_route *route) |
508e53e2 | 861 | { |
d62a17ae | 862 | struct route_node *rnode; |
863 | struct ospf6_route *next; | |
864 | ||
865 | ospf6_route_unlock(route); | |
866 | ||
867 | rnode = route->rnode; | |
868 | route_lock_node(rnode); | |
869 | rnode = route_next(rnode); | |
870 | while (rnode && rnode->info == NULL) | |
871 | rnode = route_next(rnode); | |
872 | if (rnode == NULL) | |
873 | return NULL; | |
874 | route_unlock_node(rnode); | |
875 | ||
876 | assert(rnode->info); | |
877 | next = (struct ospf6_route *)rnode->info; | |
878 | ospf6_route_lock(next); | |
879 | return next; | |
508e53e2 | 880 | } |
718e3744 | 881 | |
d62a17ae | 882 | struct ospf6_route *ospf6_route_match_head(struct prefix *prefix, |
883 | struct ospf6_route_table *table) | |
508e53e2 | 884 | { |
d62a17ae | 885 | struct route_node *node; |
886 | struct ospf6_route *route; | |
887 | ||
888 | /* Walk down tree. */ | |
889 | node = table->table->top; | |
890 | while (node && node->p.prefixlen < prefix->prefixlen | |
891 | && prefix_match(&node->p, prefix)) | |
892 | node = node->link[prefix_bit(&prefix->u.prefix, | |
893 | node->p.prefixlen)]; | |
894 | ||
895 | if (node) | |
896 | route_lock_node(node); | |
897 | while (node && node->info == NULL) | |
898 | node = route_next(node); | |
899 | if (node == NULL) | |
900 | return NULL; | |
901 | route_unlock_node(node); | |
902 | ||
903 | if (!prefix_match(prefix, &node->p)) | |
904 | return NULL; | |
905 | ||
906 | route = node->info; | |
907 | ospf6_route_lock(route); | |
908 | return route; | |
508e53e2 | 909 | } |
718e3744 | 910 | |
d62a17ae | 911 | struct ospf6_route *ospf6_route_match_next(struct prefix *prefix, |
912 | struct ospf6_route *route) | |
508e53e2 | 913 | { |
d62a17ae | 914 | struct ospf6_route *next; |
508e53e2 | 915 | |
d62a17ae | 916 | next = ospf6_route_next(route); |
917 | if (next && !prefix_match(prefix, &next->prefix)) { | |
918 | ospf6_route_unlock(next); | |
919 | next = NULL; | |
920 | } | |
508e53e2 | 921 | |
d62a17ae | 922 | return next; |
718e3744 | 923 | } |
924 | ||
d62a17ae | 925 | void ospf6_route_remove_all(struct ospf6_route_table *table) |
718e3744 | 926 | { |
d62a17ae | 927 | struct ospf6_route *route; |
928 | for (route = ospf6_route_head(table); route; | |
929 | route = ospf6_route_next(route)) | |
930 | ospf6_route_remove(route, table); | |
718e3744 | 931 | } |
932 | ||
d62a17ae | 933 | struct ospf6_route_table *ospf6_route_table_create(int s, int t) |
718e3744 | 934 | { |
d62a17ae | 935 | struct ospf6_route_table *new; |
936 | new = XCALLOC(MTYPE_OSPF6_ROUTE, sizeof(struct ospf6_route_table)); | |
937 | new->table = route_table_init(); | |
938 | new->scope_type = s; | |
939 | new->table_type = t; | |
940 | return new; | |
718e3744 | 941 | } |
942 | ||
d62a17ae | 943 | void ospf6_route_table_delete(struct ospf6_route_table *table) |
718e3744 | 944 | { |
d62a17ae | 945 | ospf6_route_remove_all(table); |
d107621d | 946 | bf_free(table->idspace); |
d62a17ae | 947 | route_table_finish(table->table); |
948 | XFREE(MTYPE_OSPF6_ROUTE, table); | |
718e3744 | 949 | } |
950 | ||
6b0655a2 | 951 | |
508e53e2 | 952 | /* VTY commands */ |
d62a17ae | 953 | void ospf6_route_show(struct vty *vty, struct ospf6_route *route) |
718e3744 | 954 | { |
d62a17ae | 955 | int i; |
956 | char destination[PREFIX2STR_BUFFER], nexthop[64]; | |
68bfcc05 | 957 | char duration[64]; |
d62a17ae | 958 | const char *ifname; |
959 | struct timeval now, res; | |
960 | struct listnode *node; | |
961 | struct ospf6_nexthop *nh; | |
962 | ||
963 | monotime(&now); | |
964 | timersub(&now, &route->changed, &res); | |
965 | timerstring(&res, duration, sizeof(duration)); | |
966 | ||
967 | /* destination */ | |
968 | if (route->type == OSPF6_DEST_TYPE_LINKSTATE) | |
969 | ospf6_linkstate_prefix2str(&route->prefix, destination, | |
970 | sizeof(destination)); | |
971 | else if (route->type == OSPF6_DEST_TYPE_ROUTER) | |
972 | inet_ntop(route->prefix.family, &route->prefix.u.prefix, | |
973 | destination, sizeof(destination)); | |
974 | else | |
975 | prefix2str(&route->prefix, destination, sizeof(destination)); | |
976 | ||
977 | i = 0; | |
978 | for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) { | |
979 | /* nexthop */ | |
980 | inet_ntop(AF_INET6, &nh->address, nexthop, sizeof(nexthop)); | |
981 | ifname = ifindex2ifname(nh->ifindex, VRF_DEFAULT); | |
982 | ||
983 | if (!i) { | |
984 | vty_out(vty, "%c%1s %2s %-30s %-25s %6.*s %s\n", | |
985 | (ospf6_route_is_best(route) ? '*' : ' '), | |
986 | OSPF6_DEST_TYPE_SUBSTR(route->type), | |
987 | OSPF6_PATH_TYPE_SUBSTR(route->path.type), | |
988 | destination, nexthop, IFNAMSIZ, ifname, | |
989 | duration); | |
990 | i++; | |
991 | } else | |
992 | vty_out(vty, "%c%1s %2s %-30s %-25s %6.*s %s\n", ' ', | |
993 | "", "", "", nexthop, IFNAMSIZ, ifname, ""); | |
c3c0ac83 | 994 | } |
718e3744 | 995 | } |
996 | ||
d62a17ae | 997 | void ospf6_route_show_detail(struct vty *vty, struct ospf6_route *route) |
718e3744 | 998 | { |
d62a17ae | 999 | const char *ifname; |
1000 | char destination[PREFIX2STR_BUFFER], nexthop[64]; | |
1001 | char area_id[16], id[16], adv_router[16], capa[16], options[16]; | |
1002 | struct timeval now, res; | |
68bfcc05 | 1003 | char duration[64]; |
d62a17ae | 1004 | struct listnode *node; |
1005 | struct ospf6_nexthop *nh; | |
1006 | ||
1007 | monotime(&now); | |
1008 | ||
1009 | /* destination */ | |
1010 | if (route->type == OSPF6_DEST_TYPE_LINKSTATE) | |
1011 | ospf6_linkstate_prefix2str(&route->prefix, destination, | |
1012 | sizeof(destination)); | |
1013 | else if (route->type == OSPF6_DEST_TYPE_ROUTER) | |
1014 | inet_ntop(route->prefix.family, &route->prefix.u.prefix, | |
1015 | destination, sizeof(destination)); | |
1016 | else | |
1017 | prefix2str(&route->prefix, destination, sizeof(destination)); | |
1018 | vty_out(vty, "Destination: %s\n", destination); | |
1019 | ||
1020 | /* destination type */ | |
1021 | vty_out(vty, "Destination type: %s\n", | |
1022 | OSPF6_DEST_TYPE_NAME(route->type)); | |
1023 | ||
1024 | /* Time */ | |
1025 | timersub(&now, &route->installed, &res); | |
1026 | timerstring(&res, duration, sizeof(duration)); | |
1027 | vty_out(vty, "Installed Time: %s ago\n", duration); | |
1028 | ||
1029 | timersub(&now, &route->changed, &res); | |
1030 | timerstring(&res, duration, sizeof(duration)); | |
1031 | vty_out(vty, " Changed Time: %s ago\n", duration); | |
1032 | ||
1033 | /* Debugging info */ | |
1034 | vty_out(vty, "Lock: %d Flags: %s%s%s%s\n", route->lock, | |
1035 | (CHECK_FLAG(route->flag, OSPF6_ROUTE_BEST) ? "B" : "-"), | |
1036 | (CHECK_FLAG(route->flag, OSPF6_ROUTE_ADD) ? "A" : "-"), | |
1037 | (CHECK_FLAG(route->flag, OSPF6_ROUTE_REMOVE) ? "R" : "-"), | |
1038 | (CHECK_FLAG(route->flag, OSPF6_ROUTE_CHANGE) ? "C" : "-")); | |
1039 | vty_out(vty, "Memory: prev: %p this: %p next: %p\n", | |
1040 | (void *)route->prev, (void *)route, (void *)route->next); | |
1041 | ||
1042 | /* Path section */ | |
1043 | ||
1044 | /* Area-ID */ | |
1045 | inet_ntop(AF_INET, &route->path.area_id, area_id, sizeof(area_id)); | |
1046 | vty_out(vty, "Associated Area: %s\n", area_id); | |
1047 | ||
1048 | /* Path type */ | |
1049 | vty_out(vty, "Path Type: %s\n", OSPF6_PATH_TYPE_NAME(route->path.type)); | |
1050 | ||
1051 | /* LS Origin */ | |
1052 | inet_ntop(AF_INET, &route->path.origin.id, id, sizeof(id)); | |
1053 | inet_ntop(AF_INET, &route->path.origin.adv_router, adv_router, | |
1054 | sizeof(adv_router)); | |
1055 | vty_out(vty, "LS Origin: %s Id: %s Adv: %s\n", | |
1056 | ospf6_lstype_name(route->path.origin.type), id, adv_router); | |
1057 | ||
1058 | /* Options */ | |
1059 | ospf6_options_printbuf(route->path.options, options, sizeof(options)); | |
1060 | vty_out(vty, "Options: %s\n", options); | |
1061 | ||
1062 | /* Router Bits */ | |
1063 | ospf6_capability_printbuf(route->path.router_bits, capa, sizeof(capa)); | |
1064 | vty_out(vty, "Router Bits: %s\n", capa); | |
1065 | ||
1066 | /* Prefix Options */ | |
1067 | vty_out(vty, "Prefix Options: xxx\n"); | |
1068 | ||
1069 | /* Metrics */ | |
1070 | vty_out(vty, "Metric Type: %d\n", route->path.metric_type); | |
1071 | vty_out(vty, "Metric: %d (%d)\n", route->path.cost, | |
1072 | route->path.u.cost_e2); | |
1073 | ||
d107621d | 1074 | vty_out(vty, "Nexthop count: %u\n", route->nh_list->count); |
d62a17ae | 1075 | /* Nexthops */ |
1076 | vty_out(vty, "Nexthop:\n"); | |
1077 | for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) { | |
1078 | /* nexthop */ | |
1079 | inet_ntop(AF_INET6, &nh->address, nexthop, sizeof(nexthop)); | |
1080 | ifname = ifindex2ifname(nh->ifindex, VRF_DEFAULT); | |
1081 | vty_out(vty, " %s %.*s\n", nexthop, IFNAMSIZ, ifname); | |
1082 | } | |
1083 | vty_out(vty, "\n"); | |
508e53e2 | 1084 | } |
718e3744 | 1085 | |
d62a17ae | 1086 | static void ospf6_route_show_table_summary(struct vty *vty, |
1087 | struct ospf6_route_table *table) | |
508e53e2 | 1088 | { |
d62a17ae | 1089 | struct ospf6_route *route, *prev = NULL; |
1090 | int i, pathtype[OSPF6_PATH_TYPE_MAX]; | |
1091 | unsigned int number = 0; | |
1092 | int nh_count = 0, nhinval = 0, ecmp = 0; | |
1093 | int alternative = 0, destination = 0; | |
1094 | ||
1095 | for (i = 0; i < OSPF6_PATH_TYPE_MAX; i++) | |
1096 | pathtype[i] = 0; | |
1097 | ||
1098 | for (route = ospf6_route_head(table); route; | |
1099 | route = ospf6_route_next(route)) { | |
1100 | if (prev == NULL || !ospf6_route_is_same(prev, route)) | |
1101 | destination++; | |
1102 | else | |
1103 | alternative++; | |
1104 | nh_count = ospf6_num_nexthops(route->nh_list); | |
1105 | if (!nh_count) | |
1106 | nhinval++; | |
1107 | else if (nh_count > 1) | |
1108 | ecmp++; | |
1109 | pathtype[route->path.type]++; | |
1110 | number++; | |
1111 | ||
1112 | prev = route; | |
1113 | } | |
1114 | ||
1115 | assert(number == table->count); | |
1116 | ||
1117 | vty_out(vty, "Number of OSPFv3 routes: %d\n", number); | |
1118 | vty_out(vty, "Number of Destination: %d\n", destination); | |
1119 | vty_out(vty, "Number of Alternative routes: %d\n", alternative); | |
1120 | vty_out(vty, "Number of Equal Cost Multi Path: %d\n", ecmp); | |
1121 | for (i = OSPF6_PATH_TYPE_INTRA; i <= OSPF6_PATH_TYPE_EXTERNAL2; i++) { | |
1122 | vty_out(vty, "Number of %s routes: %d\n", | |
1123 | OSPF6_PATH_TYPE_NAME(i), pathtype[i]); | |
1124 | } | |
4846ef64 | 1125 | } |
1126 | ||
d62a17ae | 1127 | static void ospf6_route_show_table_prefix(struct vty *vty, |
1128 | struct prefix *prefix, | |
1129 | struct ospf6_route_table *table) | |
4846ef64 | 1130 | { |
d62a17ae | 1131 | struct ospf6_route *route; |
1132 | ||
1133 | route = ospf6_route_lookup(prefix, table); | |
1134 | if (route == NULL) | |
1135 | return; | |
1136 | ||
1137 | ospf6_route_lock(route); | |
1138 | while (route && ospf6_route_is_prefix(prefix, route)) { | |
1139 | /* Specifying a prefix will always display details */ | |
1140 | ospf6_route_show_detail(vty, route); | |
1141 | route = ospf6_route_next(route); | |
1142 | } | |
1143 | if (route) | |
1144 | ospf6_route_unlock(route); | |
4846ef64 | 1145 | } |
1146 | ||
d62a17ae | 1147 | static void ospf6_route_show_table_address(struct vty *vty, |
1148 | struct prefix *prefix, | |
1149 | struct ospf6_route_table *table) | |
4846ef64 | 1150 | { |
d62a17ae | 1151 | struct ospf6_route *route; |
1152 | ||
1153 | route = ospf6_route_lookup_bestmatch(prefix, table); | |
1154 | if (route == NULL) | |
1155 | return; | |
1156 | ||
1157 | prefix = &route->prefix; | |
1158 | ospf6_route_lock(route); | |
1159 | while (route && ospf6_route_is_prefix(prefix, route)) { | |
1160 | /* Specifying a prefix will always display details */ | |
1161 | ospf6_route_show_detail(vty, route); | |
1162 | route = ospf6_route_next(route); | |
1163 | } | |
1164 | if (route) | |
1165 | ospf6_route_unlock(route); | |
4846ef64 | 1166 | } |
1167 | ||
d62a17ae | 1168 | static void ospf6_route_show_table_match(struct vty *vty, int detail, |
1169 | struct prefix *prefix, | |
1170 | struct ospf6_route_table *table) | |
4846ef64 | 1171 | { |
d62a17ae | 1172 | struct ospf6_route *route; |
1173 | assert(prefix->family); | |
1174 | ||
1175 | route = ospf6_route_match_head(prefix, table); | |
1176 | while (route) { | |
1177 | if (detail) | |
1178 | ospf6_route_show_detail(vty, route); | |
1179 | else | |
1180 | ospf6_route_show(vty, route); | |
1181 | route = ospf6_route_match_next(prefix, route); | |
1182 | } | |
4846ef64 | 1183 | } |
1184 | ||
d62a17ae | 1185 | static void ospf6_route_show_table_type(struct vty *vty, int detail, |
1186 | u_char type, | |
1187 | struct ospf6_route_table *table) | |
4846ef64 | 1188 | { |
d62a17ae | 1189 | struct ospf6_route *route; |
1190 | ||
1191 | route = ospf6_route_head(table); | |
1192 | while (route) { | |
1193 | if (route->path.type == type) { | |
1194 | if (detail) | |
1195 | ospf6_route_show_detail(vty, route); | |
1196 | else | |
1197 | ospf6_route_show(vty, route); | |
1198 | } | |
1199 | route = ospf6_route_next(route); | |
1200 | } | |
4846ef64 | 1201 | } |
1202 | ||
d62a17ae | 1203 | static void ospf6_route_show_table(struct vty *vty, int detail, |
1204 | struct ospf6_route_table *table) | |
4846ef64 | 1205 | { |
d62a17ae | 1206 | struct ospf6_route *route; |
1207 | ||
1208 | route = ospf6_route_head(table); | |
1209 | while (route) { | |
1210 | if (detail) | |
1211 | ospf6_route_show_detail(vty, route); | |
1212 | else | |
1213 | ospf6_route_show(vty, route); | |
1214 | route = ospf6_route_next(route); | |
1215 | } | |
718e3744 | 1216 | } |
1217 | ||
d62a17ae | 1218 | int ospf6_route_table_show(struct vty *vty, int argc_start, int argc, |
1219 | struct cmd_token **argv, | |
1220 | struct ospf6_route_table *table) | |
718e3744 | 1221 | { |
d62a17ae | 1222 | int summary = 0; |
1223 | int match = 0; | |
1224 | int detail = 0; | |
1225 | int slash = 0; | |
1226 | int isprefix = 0; | |
1227 | int i, ret; | |
1228 | struct prefix prefix; | |
1229 | u_char type = 0; | |
1230 | ||
1231 | memset(&prefix, 0, sizeof(struct prefix)); | |
1232 | ||
1233 | for (i = argc_start; i < argc; i++) { | |
1234 | if (strmatch(argv[i]->text, "summary")) { | |
1235 | summary++; | |
1236 | continue; | |
1237 | } | |
1238 | ||
1239 | if (strmatch(argv[i]->text, "intra-area")) { | |
1240 | type = OSPF6_PATH_TYPE_INTRA; | |
1241 | continue; | |
1242 | } | |
1243 | ||
1244 | if (strmatch(argv[i]->text, "inter-area")) { | |
1245 | type = OSPF6_PATH_TYPE_INTER; | |
1246 | continue; | |
1247 | } | |
1248 | ||
1249 | if (strmatch(argv[i]->text, "external-1")) { | |
1250 | type = OSPF6_PATH_TYPE_EXTERNAL1; | |
1251 | continue; | |
1252 | } | |
1253 | ||
1254 | if (strmatch(argv[i]->text, "external-2")) { | |
1255 | type = OSPF6_PATH_TYPE_EXTERNAL2; | |
1256 | continue; | |
1257 | } | |
1258 | ||
1259 | if (strmatch(argv[i]->text, "detail")) { | |
1260 | detail++; | |
1261 | continue; | |
1262 | } | |
1263 | ||
1264 | if (strmatch(argv[i]->text, "match")) { | |
1265 | match++; | |
1266 | continue; | |
1267 | } | |
1268 | ||
1269 | ret = str2prefix(argv[i]->arg, &prefix); | |
1270 | if (ret == 1 && prefix.family == AF_INET6) { | |
1271 | isprefix++; | |
1272 | if (strchr(argv[i]->arg, '/')) | |
1273 | slash++; | |
1274 | continue; | |
1275 | } | |
1276 | ||
1277 | vty_out(vty, "Malformed argument: %s\n", argv[i]->arg); | |
1278 | return CMD_SUCCESS; | |
1279 | } | |
1280 | ||
1281 | /* Give summary of this route table */ | |
1282 | if (summary) { | |
1283 | ospf6_route_show_table_summary(vty, table); | |
1284 | return CMD_SUCCESS; | |
1285 | } | |
1286 | ||
1287 | /* Give exact prefix-match route */ | |
1288 | if (isprefix && !match) { | |
1289 | /* If exact address, give best matching route */ | |
1290 | if (!slash) | |
1291 | ospf6_route_show_table_address(vty, &prefix, table); | |
1292 | else | |
1293 | ospf6_route_show_table_prefix(vty, &prefix, table); | |
1294 | ||
1295 | return CMD_SUCCESS; | |
1296 | } | |
1297 | ||
1298 | if (match) | |
1299 | ospf6_route_show_table_match(vty, detail, &prefix, table); | |
1300 | else if (type) | |
1301 | ospf6_route_show_table_type(vty, detail, type, table); | |
1302 | else | |
1303 | ospf6_route_show_table(vty, detail, table); | |
1304 | ||
1305 | return CMD_SUCCESS; | |
4846ef64 | 1306 | } |
508e53e2 | 1307 | |
d62a17ae | 1308 | static void ospf6_linkstate_show_header(struct vty *vty) |
4846ef64 | 1309 | { |
d62a17ae | 1310 | vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %s\n", "Type", "Router-ID", |
1311 | "Net-ID", "Rtr-Bits", "Options", "Cost"); | |
4846ef64 | 1312 | } |
1313 | ||
d62a17ae | 1314 | static void ospf6_linkstate_show(struct vty *vty, struct ospf6_route *route) |
4846ef64 | 1315 | { |
d62a17ae | 1316 | u_int32_t router, id; |
1317 | char routername[16], idname[16], rbits[16], options[16]; | |
1318 | ||
1319 | router = ospf6_linkstate_prefix_adv_router(&route->prefix); | |
1320 | inet_ntop(AF_INET, &router, routername, sizeof(routername)); | |
1321 | id = ospf6_linkstate_prefix_id(&route->prefix); | |
1322 | inet_ntop(AF_INET, &id, idname, sizeof(idname)); | |
1323 | ||
1324 | ospf6_capability_printbuf(route->path.router_bits, rbits, | |
1325 | sizeof(rbits)); | |
1326 | ospf6_options_printbuf(route->path.options, options, sizeof(options)); | |
1327 | ||
1328 | if (ntohl(id)) | |
1329 | vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %lu\n", "Network", | |
1330 | routername, idname, rbits, options, | |
1331 | (unsigned long)route->path.cost); | |
1332 | else | |
1333 | vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %lu\n", "Router", | |
1334 | routername, idname, rbits, options, | |
1335 | (unsigned long)route->path.cost); | |
4846ef64 | 1336 | } |
1337 | ||
1338 | ||
d62a17ae | 1339 | static void ospf6_linkstate_show_table_exact(struct vty *vty, |
1340 | struct prefix *prefix, | |
1341 | struct ospf6_route_table *table) | |
4846ef64 | 1342 | { |
d62a17ae | 1343 | struct ospf6_route *route; |
1344 | ||
1345 | route = ospf6_route_lookup(prefix, table); | |
1346 | if (route == NULL) | |
1347 | return; | |
1348 | ||
1349 | ospf6_route_lock(route); | |
1350 | while (route && ospf6_route_is_prefix(prefix, route)) { | |
1351 | /* Specifying a prefix will always display details */ | |
1352 | ospf6_route_show_detail(vty, route); | |
1353 | route = ospf6_route_next(route); | |
1354 | } | |
1355 | if (route) | |
1356 | ospf6_route_unlock(route); | |
4846ef64 | 1357 | } |
1358 | ||
d62a17ae | 1359 | static void ospf6_linkstate_show_table(struct vty *vty, int detail, |
1360 | struct ospf6_route_table *table) | |
4846ef64 | 1361 | { |
d62a17ae | 1362 | struct ospf6_route *route; |
1363 | ||
1364 | if (!detail) | |
1365 | ospf6_linkstate_show_header(vty); | |
1366 | ||
1367 | route = ospf6_route_head(table); | |
1368 | while (route) { | |
1369 | if (detail) | |
1370 | ospf6_route_show_detail(vty, route); | |
1371 | else | |
1372 | ospf6_linkstate_show(vty, route); | |
1373 | route = ospf6_route_next(route); | |
1374 | } | |
718e3744 | 1375 | } |
1376 | ||
d62a17ae | 1377 | int ospf6_linkstate_table_show(struct vty *vty, int idx_ipv4, int argc, |
1378 | struct cmd_token **argv, | |
1379 | struct ospf6_route_table *table) | |
718e3744 | 1380 | { |
d62a17ae | 1381 | int detail = 0; |
1382 | int is_id = 0; | |
1383 | int is_router = 0; | |
1384 | int i, ret; | |
1385 | struct prefix router, id, prefix; | |
1386 | ||
1387 | memset(&router, 0, sizeof(struct prefix)); | |
1388 | memset(&id, 0, sizeof(struct prefix)); | |
1389 | memset(&prefix, 0, sizeof(struct prefix)); | |
1390 | ||
1391 | for (i = idx_ipv4; i < argc; i++) { | |
1392 | if (strmatch(argv[i]->text, "detail")) { | |
1393 | detail++; | |
1394 | continue; | |
1395 | } | |
1396 | ||
1397 | if (!is_router) { | |
1398 | ret = str2prefix(argv[i]->arg, &router); | |
1399 | if (ret == 1 && router.family == AF_INET) { | |
1400 | is_router++; | |
1401 | continue; | |
1402 | } | |
1403 | vty_out(vty, "Malformed argument: %s\n", argv[i]->arg); | |
1404 | return CMD_SUCCESS; | |
1405 | } | |
1406 | ||
1407 | if (!is_id) { | |
1408 | ret = str2prefix(argv[i]->arg, &id); | |
1409 | if (ret == 1 && id.family == AF_INET) { | |
1410 | is_id++; | |
1411 | continue; | |
1412 | } | |
1413 | vty_out(vty, "Malformed argument: %s\n", argv[i]->arg); | |
1414 | return CMD_SUCCESS; | |
1415 | } | |
1416 | ||
1417 | vty_out(vty, "Malformed argument: %s\n", argv[i]->arg); | |
1418 | return CMD_SUCCESS; | |
1419 | } | |
1420 | ||
1421 | if (is_router) | |
1422 | ospf6_linkstate_prefix(router.u.prefix4.s_addr, | |
1423 | id.u.prefix4.s_addr, &prefix); | |
1424 | ||
1425 | if (prefix.family) | |
1426 | ospf6_linkstate_show_table_exact(vty, &prefix, table); | |
1427 | else | |
1428 | ospf6_linkstate_show_table(vty, detail, table); | |
1429 | ||
1430 | return CMD_SUCCESS; | |
508e53e2 | 1431 | } |
718e3744 | 1432 | |
4846ef64 | 1433 | |
d62a17ae | 1434 | void ospf6_brouter_show_header(struct vty *vty) |
6452df09 | 1435 | { |
d62a17ae | 1436 | vty_out(vty, "%-15s %-8s %-14s %-10s %-15s\n", "Router-ID", "Rtr-Bits", |
1437 | "Options", "Path-Type", "Area"); | |
6452df09 | 1438 | } |
1439 | ||
d62a17ae | 1440 | void ospf6_brouter_show(struct vty *vty, struct ospf6_route *route) |
6452df09 | 1441 | { |
d62a17ae | 1442 | u_int32_t adv_router; |
1443 | char adv[16], rbits[16], options[16], area[16]; | |
1444 | ||
1445 | adv_router = ospf6_linkstate_prefix_adv_router(&route->prefix); | |
1446 | inet_ntop(AF_INET, &adv_router, adv, sizeof(adv)); | |
1447 | ospf6_capability_printbuf(route->path.router_bits, rbits, | |
1448 | sizeof(rbits)); | |
1449 | ospf6_options_printbuf(route->path.options, options, sizeof(options)); | |
1450 | inet_ntop(AF_INET, &route->path.area_id, area, sizeof(area)); | |
1451 | ||
1452 | /* vty_out (vty, "%-15s %-8s %-14s %-10s %-15s\n", | |
1453 | "Router-ID", "Rtr-Bits", "Options", "Path-Type", "Area"); */ | |
1454 | vty_out(vty, "%-15s %-8s %-14s %-10s %-15s\n", adv, rbits, options, | |
1455 | OSPF6_PATH_TYPE_NAME(route->path.type), area); | |
6452df09 | 1456 | } |
1457 | ||
508e53e2 | 1458 | DEFUN (debug_ospf6_route, |
1459 | debug_ospf6_route_cmd, | |
6147e2c6 | 1460 | "debug ospf6 route <table|intra-area|inter-area|memory>", |
508e53e2 | 1461 | DEBUG_STR |
1462 | OSPF6_STR | |
16cedbb0 | 1463 | "Debug routes\n" |
508e53e2 | 1464 | "Debug route table calculation\n" |
508e53e2 | 1465 | "Debug intra-area route calculation\n" |
1466 | "Debug inter-area route calculation\n" | |
8f228de7 | 1467 | "Debug route memory use\n" |
508e53e2 | 1468 | ) |
1469 | { | |
d62a17ae | 1470 | int idx_type = 3; |
1471 | unsigned char level = 0; | |
1472 | ||
8034beff | 1473 | if (!strcmp(argv[idx_type]->text, "table")) |
d62a17ae | 1474 | level = OSPF6_DEBUG_ROUTE_TABLE; |
8034beff | 1475 | else if (!strcmp(argv[idx_type]->text, "intra-area")) |
d62a17ae | 1476 | level = OSPF6_DEBUG_ROUTE_INTRA; |
8034beff | 1477 | else if (!strcmp(argv[idx_type]->text, "inter-area")) |
d62a17ae | 1478 | level = OSPF6_DEBUG_ROUTE_INTER; |
8034beff | 1479 | else if (!strcmp(argv[idx_type]->text, "memory")) |
d62a17ae | 1480 | level = OSPF6_DEBUG_ROUTE_MEMORY; |
1481 | OSPF6_DEBUG_ROUTE_ON(level); | |
1482 | return CMD_SUCCESS; | |
508e53e2 | 1483 | } |
1484 | ||
1485 | DEFUN (no_debug_ospf6_route, | |
1486 | no_debug_ospf6_route_cmd, | |
6147e2c6 | 1487 | "no debug ospf6 route <table|intra-area|inter-area|memory>", |
508e53e2 | 1488 | NO_STR |
1489 | DEBUG_STR | |
1490 | OSPF6_STR | |
16cedbb0 | 1491 | "Debug routes\n" |
508e53e2 | 1492 | "Debug route table calculation\n" |
8f228de7 | 1493 | "Debug intra-area route calculation\n" |
16cedbb0 | 1494 | "Debug inter-area route calculation\n" |
8f228de7 | 1495 | "Debug route memory use\n") |
508e53e2 | 1496 | { |
d62a17ae | 1497 | int idx_type = 4; |
1498 | unsigned char level = 0; | |
1499 | ||
8034beff | 1500 | if (!strcmp(argv[idx_type]->text, "table")) |
d62a17ae | 1501 | level = OSPF6_DEBUG_ROUTE_TABLE; |
8034beff | 1502 | else if (!strcmp(argv[idx_type]->text, "intra-area")) |
d62a17ae | 1503 | level = OSPF6_DEBUG_ROUTE_INTRA; |
8034beff | 1504 | else if (!strcmp(argv[idx_type]->text, "inter-area")) |
d62a17ae | 1505 | level = OSPF6_DEBUG_ROUTE_INTER; |
8034beff | 1506 | else if (!strcmp(argv[idx_type]->text, "memory")) |
d62a17ae | 1507 | level = OSPF6_DEBUG_ROUTE_MEMORY; |
1508 | OSPF6_DEBUG_ROUTE_OFF(level); | |
1509 | return CMD_SUCCESS; | |
718e3744 | 1510 | } |
1511 | ||
d62a17ae | 1512 | int config_write_ospf6_debug_route(struct vty *vty) |
508e53e2 | 1513 | { |
d62a17ae | 1514 | if (IS_OSPF6_DEBUG_ROUTE(TABLE)) |
1515 | vty_out(vty, "debug ospf6 route table\n"); | |
1516 | if (IS_OSPF6_DEBUG_ROUTE(INTRA)) | |
1517 | vty_out(vty, "debug ospf6 route intra-area\n"); | |
1518 | if (IS_OSPF6_DEBUG_ROUTE(INTER)) | |
1519 | vty_out(vty, "debug ospf6 route inter-area\n"); | |
6f7af48c CS |
1520 | if (IS_OSPF6_DEBUG_ROUTE(MEMORY)) |
1521 | vty_out(vty, "debug ospf6 route memory\n"); | |
1522 | ||
d62a17ae | 1523 | return 0; |
508e53e2 | 1524 | } |
1525 | ||
d62a17ae | 1526 | void install_element_ospf6_debug_route(void) |
508e53e2 | 1527 | { |
d62a17ae | 1528 | install_element(ENABLE_NODE, &debug_ospf6_route_cmd); |
1529 | install_element(ENABLE_NODE, &no_debug_ospf6_route_cmd); | |
1530 | install_element(CONFIG_NODE, &debug_ospf6_route_cmd); | |
1531 | install_element(CONFIG_NODE, &no_debug_ospf6_route_cmd); | |
508e53e2 | 1532 | } |