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1 | /* | |
2 | * Copyright (C) 2003 Yasuhiro Ohara | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "log.h" | |
24 | #include "vty.h" | |
25 | #include "command.h" | |
26 | #include "prefix.h" | |
27 | #include "stream.h" | |
28 | #include "zclient.h" | |
29 | #include "memory.h" | |
30 | #include "lib/bfd.h" | |
31 | #include "lib_errors.h" | |
32 | ||
33 | #include "ospf6_proto.h" | |
34 | #include "ospf6_top.h" | |
35 | #include "ospf6_interface.h" | |
36 | #include "ospf6_route.h" | |
37 | #include "ospf6_lsa.h" | |
38 | #include "ospf6_lsdb.h" | |
39 | #include "ospf6_asbr.h" | |
40 | #include "ospf6_zebra.h" | |
41 | #include "ospf6d.h" | |
42 | ||
43 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_DISTANCE, "OSPF6 distance") | |
44 | ||
45 | unsigned char conf_debug_ospf6_zebra = 0; | |
46 | ||
47 | /* information about zebra. */ | |
48 | struct zclient *zclient = NULL; | |
49 | ||
50 | /* Router-id update message from zebra. */ | |
51 | static int ospf6_router_id_update_zebra(int command, struct zclient *zclient, | |
52 | zebra_size_t length, vrf_id_t vrf_id) | |
53 | { | |
54 | struct prefix router_id; | |
55 | struct ospf6 *o = ospf6; | |
56 | ||
57 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
58 | ||
59 | om6->zebra_router_id = router_id.u.prefix4.s_addr; | |
60 | ||
61 | if (o == NULL) | |
62 | return 0; | |
63 | ||
64 | o->router_id_zebra = router_id.u.prefix4; | |
65 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
66 | char buf[INET_ADDRSTRLEN]; | |
67 | ||
68 | zlog_debug("%s: zebra router-id %s update", | |
69 | __PRETTY_FUNCTION__, | |
70 | inet_ntop(AF_INET, &router_id.u.prefix4, | |
71 | buf, INET_ADDRSTRLEN)); | |
72 | } | |
73 | ||
74 | ospf6_router_id_update(); | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
79 | /* redistribute function */ | |
80 | void ospf6_zebra_redistribute(int type) | |
81 | { | |
82 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) | |
83 | return; | |
84 | vrf_bitmap_set(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
85 | ||
86 | if (zclient->sock > 0) | |
87 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, | |
88 | AFI_IP6, type, 0, VRF_DEFAULT); | |
89 | } | |
90 | ||
91 | void ospf6_zebra_no_redistribute(int type) | |
92 | { | |
93 | if (!vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) | |
94 | return; | |
95 | vrf_bitmap_unset(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
96 | if (zclient->sock > 0) | |
97 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient, | |
98 | AFI_IP6, type, 0, VRF_DEFAULT); | |
99 | } | |
100 | ||
101 | /* Inteface addition message from zebra. */ | |
102 | static int ospf6_zebra_if_add(int command, struct zclient *zclient, | |
103 | zebra_size_t length, vrf_id_t vrf_id) | |
104 | { | |
105 | struct interface *ifp; | |
106 | ||
107 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
108 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
109 | zlog_debug("Zebra Interface add: %s index %d mtu %d", ifp->name, | |
110 | ifp->ifindex, ifp->mtu6); | |
111 | ospf6_interface_if_add(ifp); | |
112 | return 0; | |
113 | } | |
114 | ||
115 | static int ospf6_zebra_if_del(int command, struct zclient *zclient, | |
116 | zebra_size_t length, vrf_id_t vrf_id) | |
117 | { | |
118 | struct interface *ifp; | |
119 | ||
120 | if (!(ifp = zebra_interface_state_read(zclient->ibuf, vrf_id))) | |
121 | return 0; | |
122 | ||
123 | if (if_is_up(ifp)) | |
124 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
125 | ifp->name); | |
126 | ||
127 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
128 | zlog_debug("Zebra Interface delete: %s index %d mtu %d", | |
129 | ifp->name, ifp->ifindex, ifp->mtu6); | |
130 | ||
131 | if_set_index(ifp, IFINDEX_INTERNAL); | |
132 | return 0; | |
133 | } | |
134 | ||
135 | static int ospf6_zebra_if_state_update(int command, struct zclient *zclient, | |
136 | zebra_size_t length, vrf_id_t vrf_id) | |
137 | { | |
138 | struct interface *ifp; | |
139 | ||
140 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
141 | if (ifp == NULL) | |
142 | return 0; | |
143 | ||
144 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
145 | zlog_debug( | |
146 | "Zebra Interface state change: " | |
147 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", | |
148 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
149 | ifp->metric, ifp->mtu6, ifp->bandwidth); | |
150 | ||
151 | ospf6_interface_state_update(ifp); | |
152 | return 0; | |
153 | } | |
154 | ||
155 | static int ospf6_zebra_if_address_update_add(int command, | |
156 | struct zclient *zclient, | |
157 | zebra_size_t length, | |
158 | vrf_id_t vrf_id) | |
159 | { | |
160 | struct connected *c; | |
161 | char buf[128]; | |
162 | ||
163 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, | |
164 | zclient->ibuf, vrf_id); | |
165 | if (c == NULL) | |
166 | return 0; | |
167 | ||
168 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
169 | zlog_debug("Zebra Interface address add: %s %5s %s/%d", | |
170 | c->ifp->name, prefix_family_str(c->address), | |
171 | inet_ntop(c->address->family, &c->address->u.prefix, | |
172 | buf, sizeof(buf)), | |
173 | c->address->prefixlen); | |
174 | ||
175 | if (c->address->family == AF_INET6) { | |
176 | ospf6_interface_state_update(c->ifp); | |
177 | ospf6_interface_connected_route_update(c->ifp); | |
178 | } | |
179 | return 0; | |
180 | } | |
181 | ||
182 | static int ospf6_zebra_if_address_update_delete(int command, | |
183 | struct zclient *zclient, | |
184 | zebra_size_t length, | |
185 | vrf_id_t vrf_id) | |
186 | { | |
187 | struct connected *c; | |
188 | char buf[128]; | |
189 | ||
190 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
191 | zclient->ibuf, vrf_id); | |
192 | if (c == NULL) | |
193 | return 0; | |
194 | ||
195 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
196 | zlog_debug("Zebra Interface address delete: %s %5s %s/%d", | |
197 | c->ifp->name, prefix_family_str(c->address), | |
198 | inet_ntop(c->address->family, &c->address->u.prefix, | |
199 | buf, sizeof(buf)), | |
200 | c->address->prefixlen); | |
201 | ||
202 | if (c->address->family == AF_INET6) { | |
203 | ospf6_interface_connected_route_update(c->ifp); | |
204 | ospf6_interface_state_update(c->ifp); | |
205 | } | |
206 | ||
207 | connected_free(c); | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | static int ospf6_zebra_read_route(int command, struct zclient *zclient, | |
213 | zebra_size_t length, vrf_id_t vrf_id) | |
214 | { | |
215 | struct zapi_route api; | |
216 | unsigned long ifindex; | |
217 | struct in6_addr *nexthop; | |
218 | ||
219 | if (ospf6 == NULL) | |
220 | return 0; | |
221 | ||
222 | if (zapi_route_decode(zclient->ibuf, &api) < 0) | |
223 | return -1; | |
224 | ||
225 | /* we completely ignore srcdest routes for now. */ | |
226 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
227 | return 0; | |
228 | ||
229 | ifindex = api.nexthops[0].ifindex; | |
230 | nexthop = &api.nexthops[0].gate.ipv6; | |
231 | ||
232 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
233 | char prefixstr[PREFIX2STR_BUFFER], nexthopstr[128]; | |
234 | prefix2str((struct prefix *)&api.prefix, prefixstr, | |
235 | sizeof(prefixstr)); | |
236 | inet_ntop(AF_INET6, nexthop, nexthopstr, sizeof(nexthopstr)); | |
237 | ||
238 | zlog_debug( | |
239 | "Zebra Receive route %s: %s %s nexthop %s ifindex %ld tag %" ROUTE_TAG_PRI, | |
240 | (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD ? "add" | |
241 | : "delete"), | |
242 | zebra_route_string(api.type), prefixstr, nexthopstr, | |
243 | ifindex, api.tag); | |
244 | } | |
245 | ||
246 | if (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD) | |
247 | ospf6_asbr_redistribute_add(api.type, ifindex, &api.prefix, | |
248 | api.nexthop_num, nexthop, api.tag); | |
249 | else | |
250 | ospf6_asbr_redistribute_remove(api.type, ifindex, &api.prefix); | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | DEFUN (show_zebra, | |
256 | show_ospf6_zebra_cmd, | |
257 | "show ipv6 ospf6 zebra", | |
258 | SHOW_STR | |
259 | IPV6_STR | |
260 | OSPF6_STR | |
261 | ZEBRA_STR) | |
262 | { | |
263 | int i; | |
264 | if (zclient == NULL) { | |
265 | vty_out(vty, "Not connected to zebra\n"); | |
266 | return CMD_SUCCESS; | |
267 | } | |
268 | ||
269 | vty_out(vty, "Zebra Infomation\n"); | |
270 | vty_out(vty, " fail: %d\n", zclient->fail); | |
271 | vty_out(vty, " redistribute default: %d\n", | |
272 | vrf_bitmap_check(zclient->default_information, VRF_DEFAULT)); | |
273 | vty_out(vty, " redistribute:"); | |
274 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
275 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][i], VRF_DEFAULT)) | |
276 | vty_out(vty, " %s", zebra_route_string(i)); | |
277 | } | |
278 | vty_out(vty, "\n"); | |
279 | return CMD_SUCCESS; | |
280 | } | |
281 | ||
282 | #define ADD 0 | |
283 | #define REM 1 | |
284 | static void ospf6_zebra_route_update(int type, struct ospf6_route *request) | |
285 | { | |
286 | struct zapi_route api; | |
287 | char buf[PREFIX2STR_BUFFER]; | |
288 | int nhcount; | |
289 | int ret = 0; | |
290 | struct prefix *dest; | |
291 | ||
292 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) { | |
293 | prefix2str(&request->prefix, buf, sizeof(buf)); | |
294 | zlog_debug("Send %s route: %s", | |
295 | (type == REM ? "remove" : "add"), buf); | |
296 | } | |
297 | ||
298 | if (zclient->sock < 0) { | |
299 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
300 | zlog_debug(" Not connected to Zebra"); | |
301 | return; | |
302 | } | |
303 | ||
304 | if (request->path.origin.adv_router == ospf6->router_id | |
305 | && (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
306 | || request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) { | |
307 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
308 | zlog_debug(" Ignore self-originated external route"); | |
309 | return; | |
310 | } | |
311 | ||
312 | /* If removing is the best path and if there's another path, | |
313 | treat this request as add the secondary path */ | |
314 | if (type == REM && ospf6_route_is_best(request) && request->next | |
315 | && ospf6_route_is_same(request, request->next)) { | |
316 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
317 | zlog_debug( | |
318 | " Best-path removal resulted Sencondary addition"); | |
319 | type = ADD; | |
320 | request = request->next; | |
321 | } | |
322 | ||
323 | /* Only the best path will be sent to zebra. */ | |
324 | if (!ospf6_route_is_best(request)) { | |
325 | /* this is not preferred best route, ignore */ | |
326 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
327 | zlog_debug(" Ignore non-best route"); | |
328 | return; | |
329 | } | |
330 | ||
331 | nhcount = ospf6_route_num_nexthops(request); | |
332 | if (nhcount == 0) { | |
333 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
334 | zlog_debug(" No nexthop, ignore"); | |
335 | return; | |
336 | } | |
337 | ||
338 | dest = &request->prefix; | |
339 | ||
340 | memset(&api, 0, sizeof(api)); | |
341 | api.vrf_id = VRF_DEFAULT; | |
342 | api.type = ZEBRA_ROUTE_OSPF6; | |
343 | api.safi = SAFI_UNICAST; | |
344 | api.prefix = *dest; | |
345 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
346 | api.nexthop_num = MIN(nhcount, MULTIPATH_NUM); | |
347 | ospf6_route_zebra_copy_nexthops(request, api.nexthops, api.nexthop_num); | |
348 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
349 | api.metric = (request->path.metric_type == 2 ? request->path.u.cost_e2 | |
350 | : request->path.cost); | |
351 | if (request->path.tag) { | |
352 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
353 | api.tag = request->path.tag; | |
354 | } | |
355 | ||
356 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
357 | api.distance = | |
358 | ospf6_distance_apply((struct prefix_ipv6 *)dest, request); | |
359 | ||
360 | if (type == REM) | |
361 | ret = zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
362 | else | |
363 | ret = zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); | |
364 | ||
365 | if (ret < 0) | |
366 | flog_err(EC_LIB_ZAPI_SOCKET, | |
367 | "zclient_route_send() %s failed: %s", | |
368 | (type == REM ? "delete" : "add"), | |
369 | safe_strerror(errno)); | |
370 | ||
371 | return; | |
372 | } | |
373 | ||
374 | void ospf6_zebra_route_update_add(struct ospf6_route *request) | |
375 | { | |
376 | ospf6_zebra_route_update(ADD, request); | |
377 | } | |
378 | ||
379 | void ospf6_zebra_route_update_remove(struct ospf6_route *request) | |
380 | { | |
381 | ospf6_zebra_route_update(REM, request); | |
382 | } | |
383 | ||
384 | void ospf6_zebra_add_discard(struct ospf6_route *request) | |
385 | { | |
386 | struct zapi_route api; | |
387 | char buf[INET6_ADDRSTRLEN]; | |
388 | struct prefix *dest = &request->prefix; | |
389 | ||
390 | if (!CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { | |
391 | memset(&api, 0, sizeof(api)); | |
392 | api.vrf_id = VRF_DEFAULT; | |
393 | api.type = ZEBRA_ROUTE_OSPF6; | |
394 | api.safi = SAFI_UNICAST; | |
395 | api.prefix = *dest; | |
396 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); | |
397 | ||
398 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); | |
399 | ||
400 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
401 | zlog_debug("Zebra: Route add discard %s/%d", | |
402 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, | |
403 | INET6_ADDRSTRLEN), | |
404 | dest->prefixlen); | |
405 | ||
406 | SET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
407 | } else { | |
408 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
409 | zlog_debug( | |
410 | "Zebra: Blackhole route present already %s/%d", | |
411 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, | |
412 | INET6_ADDRSTRLEN), | |
413 | dest->prefixlen); | |
414 | } | |
415 | } | |
416 | ||
417 | void ospf6_zebra_delete_discard(struct ospf6_route *request) | |
418 | { | |
419 | struct zapi_route api; | |
420 | char buf[INET6_ADDRSTRLEN]; | |
421 | struct prefix *dest = &request->prefix; | |
422 | ||
423 | if (CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { | |
424 | memset(&api, 0, sizeof(api)); | |
425 | api.vrf_id = VRF_DEFAULT; | |
426 | api.type = ZEBRA_ROUTE_OSPF6; | |
427 | api.safi = SAFI_UNICAST; | |
428 | api.prefix = *dest; | |
429 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); | |
430 | ||
431 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); | |
432 | ||
433 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
434 | zlog_debug("Zebra: Route delete discard %s/%d", | |
435 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, | |
436 | INET6_ADDRSTRLEN), | |
437 | dest->prefixlen); | |
438 | ||
439 | UNSET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
440 | } else { | |
441 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
442 | zlog_debug( | |
443 | "Zebra: Blackhole route already deleted %s/%d", | |
444 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, | |
445 | INET6_ADDRSTRLEN), | |
446 | dest->prefixlen); | |
447 | } | |
448 | } | |
449 | ||
450 | static struct ospf6_distance *ospf6_distance_new(void) | |
451 | { | |
452 | return XCALLOC(MTYPE_OSPF6_DISTANCE, sizeof(struct ospf6_distance)); | |
453 | } | |
454 | ||
455 | static void ospf6_distance_free(struct ospf6_distance *odistance) | |
456 | { | |
457 | XFREE(MTYPE_OSPF6_DISTANCE, odistance); | |
458 | } | |
459 | ||
460 | int ospf6_distance_set(struct vty *vty, struct ospf6 *o, | |
461 | const char *distance_str, const char *ip_str, | |
462 | const char *access_list_str) | |
463 | { | |
464 | int ret; | |
465 | struct prefix_ipv6 p; | |
466 | uint8_t distance; | |
467 | struct route_node *rn; | |
468 | struct ospf6_distance *odistance; | |
469 | ||
470 | ret = str2prefix_ipv6(ip_str, &p); | |
471 | if (ret == 0) { | |
472 | vty_out(vty, "Malformed prefix\n"); | |
473 | return CMD_WARNING_CONFIG_FAILED; | |
474 | } | |
475 | ||
476 | distance = atoi(distance_str); | |
477 | ||
478 | /* Get OSPF6 distance node. */ | |
479 | rn = route_node_get(o->distance_table, (struct prefix *)&p); | |
480 | if (rn->info) { | |
481 | odistance = rn->info; | |
482 | route_unlock_node(rn); | |
483 | } else { | |
484 | odistance = ospf6_distance_new(); | |
485 | rn->info = odistance; | |
486 | } | |
487 | ||
488 | /* Set distance value. */ | |
489 | odistance->distance = distance; | |
490 | ||
491 | /* Reset access-list configuration. */ | |
492 | if (odistance->access_list) { | |
493 | free(odistance->access_list); | |
494 | odistance->access_list = NULL; | |
495 | } | |
496 | if (access_list_str) | |
497 | odistance->access_list = strdup(access_list_str); | |
498 | ||
499 | return CMD_SUCCESS; | |
500 | } | |
501 | ||
502 | int ospf6_distance_unset(struct vty *vty, struct ospf6 *o, | |
503 | const char *distance_str, const char *ip_str, | |
504 | const char *access_list_str) | |
505 | { | |
506 | int ret; | |
507 | struct prefix_ipv6 p; | |
508 | struct route_node *rn; | |
509 | struct ospf6_distance *odistance; | |
510 | ||
511 | ret = str2prefix_ipv6(ip_str, &p); | |
512 | if (ret == 0) { | |
513 | vty_out(vty, "Malformed prefix\n"); | |
514 | return CMD_WARNING_CONFIG_FAILED; | |
515 | } | |
516 | ||
517 | rn = route_node_lookup(o->distance_table, (struct prefix *)&p); | |
518 | if (!rn) { | |
519 | vty_out(vty, "Cant't find specified prefix\n"); | |
520 | return CMD_WARNING_CONFIG_FAILED; | |
521 | } | |
522 | ||
523 | odistance = rn->info; | |
524 | ||
525 | if (odistance->access_list) | |
526 | free(odistance->access_list); | |
527 | ospf6_distance_free(odistance); | |
528 | ||
529 | rn->info = NULL; | |
530 | route_unlock_node(rn); | |
531 | route_unlock_node(rn); | |
532 | ||
533 | return CMD_SUCCESS; | |
534 | } | |
535 | ||
536 | void ospf6_distance_reset(struct ospf6 *o) | |
537 | { | |
538 | struct route_node *rn; | |
539 | struct ospf6_distance *odistance; | |
540 | ||
541 | for (rn = route_top(o->distance_table); rn; rn = route_next(rn)) | |
542 | if ((odistance = rn->info) != NULL) { | |
543 | if (odistance->access_list) | |
544 | free(odistance->access_list); | |
545 | ospf6_distance_free(odistance); | |
546 | rn->info = NULL; | |
547 | route_unlock_node(rn); | |
548 | } | |
549 | } | |
550 | ||
551 | uint8_t ospf6_distance_apply(struct prefix_ipv6 *p, struct ospf6_route * or) | |
552 | { | |
553 | struct ospf6 *o; | |
554 | ||
555 | o = ospf6; | |
556 | if (o == NULL) | |
557 | return 0; | |
558 | ||
559 | if (o->distance_intra) | |
560 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
561 | return o->distance_intra; | |
562 | ||
563 | if (o->distance_inter) | |
564 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
565 | return o->distance_inter; | |
566 | ||
567 | if (o->distance_external) | |
568 | if (or->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
569 | or->path.type == OSPF6_PATH_TYPE_EXTERNAL2) | |
570 | return o->distance_external; | |
571 | ||
572 | if (o->distance_all) | |
573 | return o->distance_all; | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | static void ospf6_zebra_connected(struct zclient *zclient) | |
579 | { | |
580 | /* Send the client registration */ | |
581 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
582 | ||
583 | zclient_send_reg_requests(zclient, VRF_DEFAULT); | |
584 | } | |
585 | ||
586 | void ospf6_zebra_init(struct thread_master *master) | |
587 | { | |
588 | /* Allocate zebra structure. */ | |
589 | zclient = zclient_new(master, &zclient_options_default); | |
590 | zclient_init(zclient, ZEBRA_ROUTE_OSPF6, 0, &ospf6d_privs); | |
591 | zclient->zebra_connected = ospf6_zebra_connected; | |
592 | zclient->router_id_update = ospf6_router_id_update_zebra; | |
593 | zclient->interface_add = ospf6_zebra_if_add; | |
594 | zclient->interface_delete = ospf6_zebra_if_del; | |
595 | zclient->interface_up = ospf6_zebra_if_state_update; | |
596 | zclient->interface_down = ospf6_zebra_if_state_update; | |
597 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
598 | zclient->interface_address_delete = | |
599 | ospf6_zebra_if_address_update_delete; | |
600 | zclient->redistribute_route_add = ospf6_zebra_read_route; | |
601 | zclient->redistribute_route_del = ospf6_zebra_read_route; | |
602 | ||
603 | /* Install command element for zebra node. */ | |
604 | install_element(VIEW_NODE, &show_ospf6_zebra_cmd); | |
605 | } | |
606 | ||
607 | /* Debug */ | |
608 | ||
609 | DEFUN (debug_ospf6_zebra_sendrecv, | |
610 | debug_ospf6_zebra_sendrecv_cmd, | |
611 | "debug ospf6 zebra [<send|recv>]", | |
612 | DEBUG_STR | |
613 | OSPF6_STR | |
614 | "Debug connection between zebra\n" | |
615 | "Debug Sending zebra\n" | |
616 | "Debug Receiving zebra\n" | |
617 | ) | |
618 | { | |
619 | int idx_send_recv = 3; | |
620 | unsigned char level = 0; | |
621 | ||
622 | if (argc == 4) { | |
623 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
624 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
625 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
626 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
627 | } else | |
628 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
629 | ||
630 | OSPF6_DEBUG_ZEBRA_ON(level); | |
631 | return CMD_SUCCESS; | |
632 | } | |
633 | ||
634 | DEFUN (no_debug_ospf6_zebra_sendrecv, | |
635 | no_debug_ospf6_zebra_sendrecv_cmd, | |
636 | "no debug ospf6 zebra [<send|recv>]", | |
637 | NO_STR | |
638 | DEBUG_STR | |
639 | OSPF6_STR | |
640 | "Debug connection between zebra\n" | |
641 | "Debug Sending zebra\n" | |
642 | "Debug Receiving zebra\n" | |
643 | ) | |
644 | { | |
645 | int idx_send_recv = 4; | |
646 | unsigned char level = 0; | |
647 | ||
648 | if (argc == 5) { | |
649 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
650 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
651 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
652 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
653 | } else | |
654 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
655 | ||
656 | OSPF6_DEBUG_ZEBRA_OFF(level); | |
657 | return CMD_SUCCESS; | |
658 | } | |
659 | ||
660 | ||
661 | int config_write_ospf6_debug_zebra(struct vty *vty) | |
662 | { | |
663 | if (IS_OSPF6_DEBUG_ZEBRA(SEND) && IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
664 | vty_out(vty, "debug ospf6 zebra\n"); | |
665 | else { | |
666 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
667 | vty_out(vty, "debug ospf6 zebra send\n"); | |
668 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
669 | vty_out(vty, "debug ospf6 zebra recv\n"); | |
670 | } | |
671 | return 0; | |
672 | } | |
673 | ||
674 | void install_element_ospf6_debug_zebra(void) | |
675 | { | |
676 | install_element(ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
677 | install_element(ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
678 | install_element(CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
679 | install_element(CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
680 | } |