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eb5d44eb | 1 | /* |
2 | * IS-IS Rout(e)ing protocol - isis_route.c | |
3 | * Copyright (C) 2001,2002 Sampo Saaristo | |
d62a17ae | 4 | * Tampere University of Technology |
eb5d44eb | 5 | * Institute of Communications Engineering |
6 | * | |
7 | * based on ../ospf6d/ospf6_route.[ch] | |
8 | * by Yasuhiro Ohara | |
9 | * | |
d62a17ae | 10 | * This program is free software; you can redistribute it and/or modify it |
11 | * under the terms of the GNU General Public Licenseas published by the Free | |
12 | * Software Foundation; either version 2 of the License, or (at your option) | |
eb5d44eb | 13 | * any later version. |
14 | * | |
d62a17ae | 15 | * This program is distributed in the hope that it will be useful,but WITHOUT |
16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
eb5d44eb | 18 | * more details. |
896014f4 DL |
19 | * |
20 | * You should have received a copy of the GNU General Public License along | |
21 | * with this program; see the file COPYING; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
eb5d44eb | 23 | */ |
24 | ||
eb5d44eb | 25 | #include <zebra.h> |
eb5d44eb | 26 | |
27 | #include "thread.h" | |
28 | #include "linklist.h" | |
29 | #include "vty.h" | |
30 | #include "log.h" | |
363be4dd | 31 | #include "lib_errors.h" |
eb5d44eb | 32 | #include "memory.h" |
33 | #include "prefix.h" | |
34 | #include "hash.h" | |
35 | #include "if.h" | |
36 | #include "table.h" | |
321c1bbb | 37 | #include "srcdest_table.h" |
eb5d44eb | 38 | |
39 | #include "isis_constants.h" | |
40 | #include "isis_common.h" | |
3f045a08 | 41 | #include "isis_flags.h" |
eb5d44eb | 42 | #include "isisd.h" |
43 | #include "isis_misc.h" | |
44 | #include "isis_adjacency.h" | |
45 | #include "isis_circuit.h" | |
eb5d44eb | 46 | #include "isis_pdu.h" |
47 | #include "isis_lsp.h" | |
48 | #include "isis_spf.h" | |
49 | #include "isis_route.h" | |
50 | #include "isis_zebra.h" | |
51 | ||
363be4dd RW |
52 | static struct isis_nexthop *nexthoplookup(struct list *nexthops, int family, |
53 | union g_addr *ip, ifindex_t ifindex); | |
9e1194c2 | 54 | |
363be4dd | 55 | static struct isis_nexthop *isis_nexthop_create(int family, union g_addr *ip, |
d62a17ae | 56 | ifindex_t ifindex) |
eb5d44eb | 57 | { |
d62a17ae | 58 | struct isis_nexthop *nexthop; |
f390d2c7 | 59 | |
363be4dd | 60 | nexthop = nexthoplookup(isis->nexthops, family, ip, ifindex); |
9e1194c2 | 61 | if (nexthop) { |
d62a17ae | 62 | nexthop->lock++; |
63 | return nexthop; | |
64 | } | |
f390d2c7 | 65 | |
d62a17ae | 66 | nexthop = XCALLOC(MTYPE_ISIS_NEXTHOP, sizeof(struct isis_nexthop)); |
f390d2c7 | 67 | |
363be4dd | 68 | nexthop->family = family; |
d62a17ae | 69 | nexthop->ifindex = ifindex; |
363be4dd | 70 | nexthop->ip = *ip; |
d62a17ae | 71 | listnode_add(isis->nexthops, nexthop); |
72 | nexthop->lock++; | |
eb5d44eb | 73 | |
d62a17ae | 74 | return nexthop; |
eb5d44eb | 75 | } |
76 | ||
d62a17ae | 77 | static void isis_nexthop_delete(struct isis_nexthop *nexthop) |
eb5d44eb | 78 | { |
d62a17ae | 79 | nexthop->lock--; |
80 | if (nexthop->lock == 0) { | |
81 | listnode_delete(isis->nexthops, nexthop); | |
82 | XFREE(MTYPE_ISIS_NEXTHOP, nexthop); | |
83 | } | |
84 | ||
85 | return; | |
eb5d44eb | 86 | } |
87 | ||
363be4dd RW |
88 | static struct isis_nexthop *nexthoplookup(struct list *nexthops, int family, |
89 | union g_addr *ip, ifindex_t ifindex) | |
eb5d44eb | 90 | { |
d62a17ae | 91 | struct listnode *node; |
92 | struct isis_nexthop *nh; | |
eb5d44eb | 93 | |
d62a17ae | 94 | for (ALL_LIST_ELEMENTS_RO(nexthops, node, nh)) { |
363be4dd RW |
95 | if (nh->family != family) |
96 | continue; | |
97 | if (nh->ifindex != ifindex) | |
98 | continue; | |
99 | ||
100 | switch (family) { | |
101 | case AF_INET: | |
102 | if (IPV4_ADDR_CMP(&nh->ip.ipv4, &ip->ipv4)) | |
103 | continue; | |
104 | break; | |
105 | case AF_INET6: | |
106 | if (IPV6_ADDR_CMP(&nh->ip.ipv6, &ip->ipv6)) | |
107 | continue; | |
108 | break; | |
109 | default: | |
110 | flog_err(EC_LIB_DEVELOPMENT, | |
111 | "%s: unknown address family [%d]", __func__, | |
112 | family); | |
113 | exit(1); | |
114 | } | |
eb5d44eb | 115 | |
363be4dd | 116 | return nh; |
d62a17ae | 117 | } |
eb5d44eb | 118 | |
9e1194c2 | 119 | return NULL; |
eb5d44eb | 120 | } |
121 | ||
363be4dd RW |
122 | static void adjinfo2nexthop(int family, struct list *nexthops, |
123 | struct isis_adjacency *adj) | |
eb5d44eb | 124 | { |
d62a17ae | 125 | struct isis_nexthop *nh; |
363be4dd RW |
126 | union g_addr ip = {}; |
127 | ||
128 | switch (family) { | |
129 | case AF_INET: | |
130 | for (unsigned int i = 0; i < adj->ipv4_address_count; i++) { | |
131 | ip.ipv4 = adj->ipv4_addresses[i]; | |
132 | ||
133 | if (!nexthoplookup(nexthops, AF_INET, &ip, | |
134 | adj->circuit->interface->ifindex)) { | |
135 | nh = isis_nexthop_create( | |
136 | AF_INET, &ip, | |
137 | adj->circuit->interface->ifindex); | |
138 | listnode_add(nexthops, nh); | |
139 | break; | |
140 | } | |
d62a17ae | 141 | } |
363be4dd RW |
142 | break; |
143 | case AF_INET6: | |
144 | for (unsigned int i = 0; i < adj->ipv6_address_count; i++) { | |
145 | ip.ipv6 = adj->ipv6_addresses[i]; | |
146 | ||
147 | if (!nexthoplookup(nexthops, AF_INET6, &ip, | |
148 | adj->circuit->interface->ifindex)) { | |
149 | nh = isis_nexthop_create( | |
150 | AF_INET6, &ip, | |
151 | adj->circuit->interface->ifindex); | |
152 | listnode_add(nexthops, nh); | |
153 | break; | |
154 | } | |
d62a17ae | 155 | } |
363be4dd RW |
156 | break; |
157 | default: | |
158 | flog_err(EC_LIB_DEVELOPMENT, "%s: unknown address family [%d]", | |
159 | __func__, family); | |
160 | exit(1); | |
f390d2c7 | 161 | } |
eb5d44eb | 162 | } |
eb5d44eb | 163 | |
d62a17ae | 164 | static struct isis_route_info *isis_route_info_new(struct prefix *prefix, |
321c1bbb | 165 | struct prefix_ipv6 *src_p, |
d62a17ae | 166 | uint32_t cost, |
167 | uint32_t depth, | |
168 | struct list *adjacencies) | |
eb5d44eb | 169 | { |
d62a17ae | 170 | struct isis_route_info *rinfo; |
171 | struct isis_adjacency *adj; | |
172 | struct listnode *node; | |
173 | ||
174 | rinfo = XCALLOC(MTYPE_ISIS_ROUTE_INFO, sizeof(struct isis_route_info)); | |
175 | ||
363be4dd RW |
176 | rinfo->nexthops = list_new(); |
177 | for (ALL_LIST_ELEMENTS_RO(adjacencies, node, adj)) { | |
178 | /* check for force resync this route */ | |
179 | if (CHECK_FLAG(adj->circuit->flags, | |
180 | ISIS_CIRCUIT_FLAPPED_AFTER_SPF)) | |
181 | SET_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC); | |
182 | ||
183 | /* update neighbor router address */ | |
184 | switch (prefix->family) { | |
185 | case AF_INET: | |
d62a17ae | 186 | if (depth == 2 && prefix->prefixlen == 32) |
187 | adj->router_address = prefix->u.prefix4; | |
363be4dd RW |
188 | break; |
189 | case AF_INET6: | |
321c1bbb CF |
190 | if (depth == 2 && prefix->prefixlen == 128 |
191 | && (!src_p || !src_p->prefixlen)) { | |
d62a17ae | 192 | adj->router_address6 = prefix->u.prefix6; |
321c1bbb | 193 | } |
363be4dd RW |
194 | break; |
195 | default: | |
196 | flog_err(EC_LIB_DEVELOPMENT, | |
197 | "%s: unknown address family [%d]", __func__, | |
198 | prefix->family); | |
199 | exit(1); | |
d62a17ae | 200 | } |
363be4dd | 201 | adjinfo2nexthop(prefix->family, rinfo->nexthops, adj); |
d62a17ae | 202 | } |
203 | ||
204 | rinfo->cost = cost; | |
205 | rinfo->depth = depth; | |
206 | ||
207 | return rinfo; | |
eb5d44eb | 208 | } |
209 | ||
d62a17ae | 210 | static void isis_route_info_delete(struct isis_route_info *route_info) |
eb5d44eb | 211 | { |
d62a17ae | 212 | if (route_info->nexthops) { |
213 | route_info->nexthops->del = | |
214 | (void (*)(void *))isis_nexthop_delete; | |
6a154c88 | 215 | list_delete(&route_info->nexthops); |
d62a17ae | 216 | } |
217 | ||
d62a17ae | 218 | XFREE(MTYPE_ISIS_ROUTE_INFO, route_info); |
eb5d44eb | 219 | } |
220 | ||
d62a17ae | 221 | static int isis_route_info_same_attrib(struct isis_route_info *new, |
222 | struct isis_route_info *old) | |
eb5d44eb | 223 | { |
d62a17ae | 224 | if (new->cost != old->cost) |
225 | return 0; | |
226 | if (new->depth != old->depth) | |
227 | return 0; | |
f390d2c7 | 228 | |
d62a17ae | 229 | return 1; |
eb5d44eb | 230 | } |
231 | ||
d62a17ae | 232 | static int isis_route_info_same(struct isis_route_info *new, |
d7c0a89a | 233 | struct isis_route_info *old, uint8_t family) |
eb5d44eb | 234 | { |
d62a17ae | 235 | struct listnode *node; |
236 | struct isis_nexthop *nexthop; | |
d62a17ae | 237 | |
238 | if (!CHECK_FLAG(old->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED)) | |
239 | return 0; | |
240 | ||
241 | if (CHECK_FLAG(new->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC)) | |
242 | return 0; | |
243 | ||
244 | if (!isis_route_info_same_attrib(new, old)) | |
245 | return 0; | |
246 | ||
363be4dd RW |
247 | for (ALL_LIST_ELEMENTS_RO(new->nexthops, node, nexthop)) |
248 | if (!nexthoplookup(old->nexthops, nexthop->family, &nexthop->ip, | |
249 | nexthop->ifindex)) | |
250 | return 0; | |
251 | ||
252 | for (ALL_LIST_ELEMENTS_RO(old->nexthops, node, nexthop)) | |
253 | if (!nexthoplookup(new->nexthops, nexthop->family, &nexthop->ip, | |
254 | nexthop->ifindex)) | |
255 | return 0; | |
d62a17ae | 256 | |
257 | return 1; | |
eb5d44eb | 258 | } |
259 | ||
321c1bbb CF |
260 | struct isis_route_info *isis_route_create(struct prefix *prefix, |
261 | struct prefix_ipv6 *src_p, | |
262 | uint32_t cost, | |
d7c0a89a | 263 | uint32_t depth, |
d62a17ae | 264 | struct list *adjacencies, |
3dace42d CF |
265 | struct isis_area *area, |
266 | struct route_table *table) | |
eb5d44eb | 267 | { |
d62a17ae | 268 | struct route_node *route_node; |
269 | struct isis_route_info *rinfo_new, *rinfo_old, *route_info = NULL; | |
270 | char buff[PREFIX2STR_BUFFER]; | |
d7c0a89a | 271 | uint8_t family; |
d62a17ae | 272 | |
273 | family = prefix->family; | |
274 | /* for debugs */ | |
275 | prefix2str(prefix, buff, sizeof(buff)); | |
276 | ||
3dace42d | 277 | if (!table) |
d62a17ae | 278 | return NULL; |
3dace42d | 279 | |
321c1bbb CF |
280 | rinfo_new = isis_route_info_new(prefix, src_p, cost, |
281 | depth, adjacencies); | |
282 | route_node = srcdest_rnode_get(table, prefix, src_p); | |
d62a17ae | 283 | |
284 | rinfo_old = route_node->info; | |
285 | if (!rinfo_old) { | |
286 | if (isis->debugs & DEBUG_RTE_EVENTS) | |
287 | zlog_debug("ISIS-Rte (%s) route created: %s", | |
288 | area->area_tag, buff); | |
289 | route_info = rinfo_new; | |
290 | UNSET_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED); | |
291 | } else { | |
bcd9fd50 | 292 | route_unlock_node(route_node); |
d62a17ae | 293 | if (isis->debugs & DEBUG_RTE_EVENTS) |
294 | zlog_debug("ISIS-Rte (%s) route already exists: %s", | |
295 | area->area_tag, buff); | |
296 | if (isis_route_info_same(rinfo_new, rinfo_old, family)) { | |
297 | if (isis->debugs & DEBUG_RTE_EVENTS) | |
298 | zlog_debug("ISIS-Rte (%s) route unchanged: %s", | |
299 | area->area_tag, buff); | |
300 | isis_route_info_delete(rinfo_new); | |
301 | route_info = rinfo_old; | |
302 | } else { | |
303 | if (isis->debugs & DEBUG_RTE_EVENTS) | |
304 | zlog_debug("ISIS-Rte (%s) route changed: %s", | |
305 | area->area_tag, buff); | |
306 | isis_route_info_delete(rinfo_old); | |
307 | route_info = rinfo_new; | |
308 | UNSET_FLAG(route_info->flag, | |
309 | ISIS_ROUTE_FLAG_ZEBRA_SYNCED); | |
310 | } | |
311 | } | |
312 | ||
313 | SET_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ACTIVE); | |
314 | route_node->info = route_info; | |
315 | ||
316 | return route_info; | |
eb5d44eb | 317 | } |
318 | ||
bcd9fd50 | 319 | static void isis_route_delete(struct route_node *rode, |
321c1bbb | 320 | struct route_table *table) |
eb5d44eb | 321 | { |
d62a17ae | 322 | struct isis_route_info *rinfo; |
321c1bbb | 323 | char buff[SRCDEST2STR_BUFFER]; |
bcd9fd50 CF |
324 | struct prefix *prefix; |
325 | struct prefix_ipv6 *src_p; | |
d62a17ae | 326 | |
327 | /* for log */ | |
bcd9fd50 | 328 | srcdest_rnode2str(rode, buff, sizeof(buff)); |
d62a17ae | 329 | |
bcd9fd50 CF |
330 | srcdest_rnode_prefixes(rode, (const struct prefix **)&prefix, |
331 | (const struct prefix **)&src_p); | |
d62a17ae | 332 | |
bcd9fd50 | 333 | rinfo = rode->info; |
d62a17ae | 334 | if (rinfo == NULL) { |
335 | if (isis->debugs & DEBUG_RTE_EVENTS) | |
336 | zlog_debug( | |
337 | "ISIS-Rte: tried to delete non-existant route %s", | |
338 | buff); | |
339 | return; | |
340 | } | |
341 | ||
342 | if (CHECK_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED)) { | |
343 | UNSET_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE); | |
344 | if (isis->debugs & DEBUG_RTE_EVENTS) | |
345 | zlog_debug("ISIS-Rte: route delete %s", buff); | |
321c1bbb | 346 | isis_zebra_route_update(prefix, src_p, rinfo); |
d62a17ae | 347 | } |
348 | isis_route_info_delete(rinfo); | |
349 | rode->info = NULL; | |
bcd9fd50 | 350 | route_unlock_node(rode); |
eb5d44eb | 351 | } |
352 | ||
3dace42d CF |
353 | static void _isis_route_verify_table(struct isis_area *area, |
354 | struct route_table *table, | |
355 | struct route_table **tables) | |
eb5d44eb | 356 | { |
d62a17ae | 357 | struct route_node *rnode, *drnode; |
358 | struct isis_route_info *rinfo; | |
321c1bbb | 359 | char buff[SRCDEST2STR_BUFFER]; |
d62a17ae | 360 | |
321c1bbb CF |
361 | for (rnode = route_top(table); rnode; |
362 | rnode = srcdest_route_next(rnode)) { | |
d62a17ae | 363 | if (rnode->info == NULL) |
364 | continue; | |
365 | rinfo = rnode->info; | |
366 | ||
321c1bbb CF |
367 | struct prefix *dst_p; |
368 | struct prefix_ipv6 *src_p; | |
369 | ||
370 | srcdest_rnode_prefixes(rnode, | |
371 | (const struct prefix **)&dst_p, | |
372 | (const struct prefix **)&src_p); | |
373 | ||
d62a17ae | 374 | if (isis->debugs & DEBUG_RTE_EVENTS) { |
321c1bbb | 375 | srcdest2str(dst_p, src_p, buff, sizeof(buff)); |
d62a17ae | 376 | zlog_debug( |
377 | "ISIS-Rte (%s): route validate: %s %s %s %s", | |
378 | area->area_tag, | |
379 | (CHECK_FLAG(rinfo->flag, | |
380 | ISIS_ROUTE_FLAG_ZEBRA_SYNCED) | |
381 | ? "synced" | |
382 | : "not-synced"), | |
383 | (CHECK_FLAG(rinfo->flag, | |
384 | ISIS_ROUTE_FLAG_ZEBRA_RESYNC) | |
385 | ? "resync" | |
386 | : "not-resync"), | |
387 | (CHECK_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE) | |
388 | ? "active" | |
389 | : "inactive"), | |
390 | buff); | |
391 | } | |
392 | ||
321c1bbb | 393 | isis_zebra_route_update(dst_p, src_p, rinfo); |
bcd9fd50 CF |
394 | |
395 | if (CHECK_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE)) | |
396 | continue; | |
397 | ||
398 | /* Area is either L1 or L2 => we use level route tables | |
399 | * directly for | |
400 | * validating => no problems with deleting routes. */ | |
401 | if (!tables) { | |
402 | isis_route_delete(rnode, table); | |
403 | continue; | |
404 | } | |
405 | ||
406 | /* If area is L1L2, we work with merge table and | |
407 | * therefore must | |
408 | * delete node from level tables as well before deleting | |
409 | * route info. */ | |
410 | for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { | |
411 | drnode = srcdest_rnode_lookup(tables[level - 1], | |
412 | dst_p, src_p); | |
413 | if (!drnode) | |
d62a17ae | 414 | continue; |
3dace42d | 415 | |
bcd9fd50 | 416 | route_unlock_node(drnode); |
d62a17ae | 417 | |
bcd9fd50 CF |
418 | if (drnode->info != rnode->info) |
419 | continue; | |
420 | ||
421 | drnode->info = NULL; | |
422 | route_unlock_node(drnode); | |
d62a17ae | 423 | } |
bcd9fd50 CF |
424 | |
425 | isis_route_delete(rnode, table); | |
f390d2c7 | 426 | } |
fac1f7cc | 427 | } |
428 | ||
3dace42d CF |
429 | void isis_route_verify_table(struct isis_area *area, struct route_table *table) |
430 | { | |
d90b788e | 431 | _isis_route_verify_table(area, table, NULL); |
3dace42d CF |
432 | } |
433 | ||
fac1f7cc | 434 | /* Function to validate route tables for L1L2 areas. In this case we can't use |
435 | * level route tables directly, we have to merge them at first. L1 routes are | |
436 | * preferred over the L2 ones. | |
437 | * | |
438 | * Merge algorithm is trivial (at least for now). All L1 paths are copied into | |
439 | * merge table at first, then L2 paths are added if L1 path for same prefix | |
440 | * doesn't already exists there. | |
441 | * | |
442 | * FIXME: Is it right place to do it at all? Maybe we should push both levels | |
443 | * to the RIB with different zebra route types and let RIB handle this? */ | |
3dace42d CF |
444 | void isis_route_verify_merge(struct isis_area *area, |
445 | struct route_table *level1_table, | |
446 | struct route_table *level2_table) | |
fac1f7cc | 447 | { |
3dace42d | 448 | struct route_table *tables[] = { level1_table, level2_table }; |
d62a17ae | 449 | struct route_table *merge; |
450 | struct route_node *rnode, *mrnode; | |
451 | ||
321c1bbb | 452 | merge = srcdest_table_init(); |
d62a17ae | 453 | |
3dace42d CF |
454 | for (int level = ISIS_LEVEL1; level <= ISIS_LEVEL2; level++) { |
455 | for (rnode = route_top(tables[level - 1]); rnode; | |
321c1bbb | 456 | rnode = srcdest_route_next(rnode)) { |
26b0598f CF |
457 | struct isis_route_info *rinfo = rnode->info; |
458 | if (!rinfo) | |
3dace42d | 459 | continue; |
26b0598f | 460 | |
321c1bbb CF |
461 | struct prefix *prefix; |
462 | struct prefix_ipv6 *src_p; | |
463 | ||
464 | srcdest_rnode_prefixes(rnode, | |
465 | (const struct prefix **)&prefix, | |
466 | (const struct prefix **)&src_p); | |
467 | mrnode = srcdest_rnode_get(merge, prefix, src_p); | |
26b0598f CF |
468 | struct isis_route_info *mrinfo = mrnode->info; |
469 | if (mrinfo) { | |
3dace42d | 470 | route_unlock_node(mrnode); |
26b0598f CF |
471 | if (CHECK_FLAG(mrinfo->flag, |
472 | ISIS_ROUTE_FLAG_ACTIVE)) { | |
473 | /* Clear the ZEBRA_SYNCED flag on the | |
474 | * L2 route when L1 wins, otherwise L2 | |
475 | * won't get reinstalled when L1 | |
476 | * disappears. | |
477 | */ | |
478 | UNSET_FLAG( | |
479 | rinfo->flag, | |
480 | ISIS_ROUTE_FLAG_ZEBRA_SYNCED | |
481 | ); | |
482 | continue; | |
688ea1cb EDP |
483 | } else if (CHECK_FLAG(rinfo->flag, |
484 | ISIS_ROUTE_FLAG_ACTIVE)) { | |
26b0598f CF |
485 | /* Clear the ZEBRA_SYNCED flag on the L1 |
486 | * route when L2 wins, otherwise L1 | |
487 | * won't get reinstalled when it | |
488 | * reappears. | |
489 | */ | |
490 | UNSET_FLAG( | |
491 | mrinfo->flag, | |
492 | ISIS_ROUTE_FLAG_ZEBRA_SYNCED | |
493 | ); | |
688ea1cb EDP |
494 | } else if ( |
495 | CHECK_FLAG( | |
496 | mrinfo->flag, | |
497 | ISIS_ROUTE_FLAG_ZEBRA_SYNCED)) { | |
498 | continue; | |
26b0598f | 499 | } |
3dace42d CF |
500 | } |
501 | mrnode->info = rnode->info; | |
502 | } | |
d62a17ae | 503 | } |
504 | ||
3dace42d | 505 | _isis_route_verify_table(area, merge, tables); |
d62a17ae | 506 | route_table_finish(merge); |
fac1f7cc | 507 | } |
508 | ||
d62a17ae | 509 | void isis_route_invalidate_table(struct isis_area *area, |
510 | struct route_table *table) | |
3f045a08 | 511 | { |
d62a17ae | 512 | struct route_node *rode; |
513 | struct isis_route_info *rinfo; | |
321c1bbb | 514 | for (rode = route_top(table); rode; rode = srcdest_route_next(rode)) { |
d62a17ae | 515 | if (rode->info == NULL) |
516 | continue; | |
517 | rinfo = rode->info; | |
518 | ||
519 | UNSET_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE); | |
520 | } | |
3f045a08 | 521 | } |