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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 "vty.h" | |
25 | #include "command.h" | |
26 | #include "prefix.h" | |
27 | #include "stream.h" | |
28 | #include "zclient.h" | |
29 | #include "memory.h" | |
2376c3f2 | 30 | #include "lib/bfd.h" |
4ba03be5 | 31 | #include "lib_errors.h" |
718e3744 | 32 | |
508e53e2 | 33 | #include "ospf6_proto.h" |
34 | #include "ospf6_top.h" | |
718e3744 | 35 | #include "ospf6_interface.h" |
508e53e2 | 36 | #include "ospf6_route.h" |
37 | #include "ospf6_lsa.h" | |
049207c3 | 38 | #include "ospf6_lsdb.h" |
718e3744 | 39 | #include "ospf6_asbr.h" |
508e53e2 | 40 | #include "ospf6_zebra.h" |
049207c3 | 41 | #include "ospf6d.h" |
beadc736 | 42 | #include "ospf6_area.h" |
71165098 | 43 | #include "ospf6_gr.h" |
9ebb75c5 | 44 | #include "lib/json.h" |
718e3744 | 45 | |
bf8d3d6a | 46 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_DISTANCE, "OSPF6 distance"); |
baff583e | 47 | |
508e53e2 | 48 | unsigned char conf_debug_ospf6_zebra = 0; |
718e3744 | 49 | |
50 | /* information about zebra. */ | |
51 | struct zclient *zclient = NULL; | |
52 | ||
beadc736 | 53 | void ospf6_zebra_vrf_register(struct ospf6 *ospf6) |
54 | { | |
55 | if (!zclient || zclient->sock < 0 || !ospf6) | |
56 | return; | |
57 | ||
58 | if (ospf6->vrf_id != VRF_UNKNOWN) { | |
59 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
60 | zlog_debug("%s: Register VRF %s id %u", __func__, | |
61 | ospf6_vrf_id_to_name(ospf6->vrf_id), | |
62 | ospf6->vrf_id); | |
63 | } | |
64 | zclient_send_reg_requests(zclient, ospf6->vrf_id); | |
65 | } | |
66 | } | |
67 | ||
68 | void ospf6_zebra_vrf_deregister(struct ospf6 *ospf6) | |
69 | { | |
70 | if (!zclient || zclient->sock < 0 || !ospf6) | |
71 | return; | |
72 | ||
73 | if (ospf6->vrf_id != VRF_DEFAULT && ospf6->vrf_id != VRF_UNKNOWN) { | |
74 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
75 | zlog_debug("%s: De-Register VRF %s id %u to Zebra.", | |
76 | __func__, | |
77 | ospf6_vrf_id_to_name(ospf6->vrf_id), | |
78 | ospf6->vrf_id); | |
79 | } | |
80 | /* Deregister for router-id, interfaces, | |
81 | * redistributed routes. */ | |
82 | zclient_send_dereg_requests(zclient, ospf6->vrf_id); | |
83 | } | |
84 | } | |
85 | ||
18a6dce6 | 86 | /* Router-id update message from zebra. */ |
121f9dee | 87 | static int ospf6_router_id_update_zebra(ZAPI_CALLBACK_ARGS) |
18a6dce6 | 88 | { |
d62a17ae | 89 | struct prefix router_id; |
beadc736 | 90 | struct ospf6 *o; |
18a6dce6 | 91 | |
d62a17ae | 92 | zebra_router_id_update_read(zclient->ibuf, &router_id); |
18a6dce6 | 93 | |
3c5122c5 IR |
94 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) |
95 | zlog_debug("Zebra router-id update %pI4 vrf %s id %u", | |
96 | &router_id.u.prefix4, ospf6_vrf_id_to_name(vrf_id), | |
97 | vrf_id); | |
98 | ||
beadc736 | 99 | o = ospf6_lookup_by_vrf_id(vrf_id); |
d62a17ae | 100 | if (o == NULL) |
101 | return 0; | |
c1ba9e8a | 102 | |
3c5122c5 | 103 | o->router_id_zebra = router_id.u.prefix4.s_addr; |
d6927cf3 | 104 | |
30885c70 | 105 | ospf6_router_id_update(o); |
18a6dce6 | 106 | |
d62a17ae | 107 | return 0; |
18a6dce6 | 108 | } |
109 | ||
718e3744 | 110 | /* redistribute function */ |
c5d28568 | 111 | void ospf6_zebra_redistribute(int type, vrf_id_t vrf_id) |
718e3744 | 112 | { |
c5d28568 | 113 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][type], vrf_id)) |
d62a17ae | 114 | return; |
c5d28568 | 115 | vrf_bitmap_set(zclient->redist[AFI_IP6][type], vrf_id); |
7076bb2f | 116 | |
d62a17ae | 117 | if (zclient->sock > 0) |
118 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, | |
c5d28568 | 119 | AFI_IP6, type, 0, vrf_id); |
718e3744 | 120 | } |
121 | ||
c5d28568 | 122 | void ospf6_zebra_no_redistribute(int type, vrf_id_t vrf_id) |
718e3744 | 123 | { |
c5d28568 | 124 | if (!vrf_bitmap_check(zclient->redist[AFI_IP6][type], vrf_id)) |
d62a17ae | 125 | return; |
c5d28568 | 126 | vrf_bitmap_unset(zclient->redist[AFI_IP6][type], vrf_id); |
d62a17ae | 127 | if (zclient->sock > 0) |
128 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient, | |
c5d28568 | 129 | AFI_IP6, type, 0, vrf_id); |
718e3744 | 130 | } |
131 | ||
121f9dee | 132 | static int ospf6_zebra_if_address_update_add(ZAPI_CALLBACK_ARGS) |
718e3744 | 133 | { |
d62a17ae | 134 | struct connected *c; |
d62a17ae | 135 | |
136 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, | |
137 | zclient->ibuf, vrf_id); | |
138 | if (c == NULL) | |
139 | return 0; | |
140 | ||
141 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
299ce4b3 | 142 | zlog_debug("Zebra Interface address add: %s %5s %pFX", |
d62a17ae | 143 | c->ifp->name, prefix_family_str(c->address), |
299ce4b3 | 144 | c->address); |
d62a17ae | 145 | |
146 | if (c->address->family == AF_INET6) { | |
147 | ospf6_interface_state_update(c->ifp); | |
148 | ospf6_interface_connected_route_update(c->ifp); | |
149 | } | |
150 | return 0; | |
718e3744 | 151 | } |
152 | ||
121f9dee | 153 | static int ospf6_zebra_if_address_update_delete(ZAPI_CALLBACK_ARGS) |
718e3744 | 154 | { |
d62a17ae | 155 | struct connected *c; |
d62a17ae | 156 | |
157 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
158 | zclient->ibuf, vrf_id); | |
159 | if (c == NULL) | |
160 | return 0; | |
161 | ||
162 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
299ce4b3 | 163 | zlog_debug("Zebra Interface address delete: %s %5s %pFX", |
d62a17ae | 164 | c->ifp->name, prefix_family_str(c->address), |
299ce4b3 | 165 | c->address); |
d62a17ae | 166 | |
167 | if (c->address->family == AF_INET6) { | |
168 | ospf6_interface_connected_route_update(c->ifp); | |
169 | ospf6_interface_state_update(c->ifp); | |
170 | } | |
718e3744 | 171 | |
721c0857 | 172 | connected_free(&c); |
718e3744 | 173 | |
d62a17ae | 174 | return 0; |
175 | } | |
718e3744 | 176 | |
71165098 RW |
177 | static int ospf6_zebra_gr_update(struct ospf6 *ospf6, int command, |
178 | uint32_t stale_time) | |
179 | { | |
180 | struct zapi_cap api; | |
181 | ||
182 | if (!zclient || zclient->sock < 0 || !ospf6) | |
183 | return 1; | |
184 | ||
185 | memset(&api, 0, sizeof(struct zapi_cap)); | |
186 | api.cap = command; | |
187 | api.stale_removal_time = stale_time; | |
188 | api.vrf_id = ospf6->vrf_id; | |
189 | ||
190 | (void)zclient_capabilities_send(ZEBRA_CLIENT_CAPABILITIES, zclient, | |
191 | &api); | |
192 | ||
193 | return 0; | |
194 | } | |
195 | ||
196 | int ospf6_zebra_gr_enable(struct ospf6 *ospf6, uint32_t stale_time) | |
197 | { | |
198 | return ospf6_zebra_gr_update(ospf6, ZEBRA_CLIENT_GR_CAPABILITIES, | |
199 | stale_time); | |
200 | } | |
201 | ||
202 | int ospf6_zebra_gr_disable(struct ospf6 *ospf6) | |
203 | { | |
204 | return ospf6_zebra_gr_update(ospf6, ZEBRA_CLIENT_GR_DISABLE, 0); | |
205 | } | |
206 | ||
121f9dee | 207 | static int ospf6_zebra_read_route(ZAPI_CALLBACK_ARGS) |
d62a17ae | 208 | { |
74489921 | 209 | struct zapi_route api; |
d62a17ae | 210 | unsigned long ifindex; |
d62a17ae | 211 | struct in6_addr *nexthop; |
beadc736 | 212 | struct ospf6 *ospf6; |
b19502d3 | 213 | struct prefix_ipv6 p; |
beadc736 | 214 | |
215 | ospf6 = ospf6_lookup_by_vrf_id(vrf_id); | |
d62a17ae | 216 | |
217 | if (ospf6 == NULL) | |
218 | return 0; | |
219 | ||
74489921 RW |
220 | if (zapi_route_decode(zclient->ibuf, &api) < 0) |
221 | return -1; | |
d62a17ae | 222 | |
74489921 RW |
223 | /* we completely ignore srcdest routes for now. */ |
224 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
d62a17ae | 225 | return 0; |
226 | ||
9fb2b879 DS |
227 | if (IN6_IS_ADDR_LINKLOCAL(&api.prefix.u.prefix6)) |
228 | return 0; | |
229 | ||
74489921 RW |
230 | ifindex = api.nexthops[0].ifindex; |
231 | nexthop = &api.nexthops[0].gate.ipv6; | |
d62a17ae | 232 | |
2dbe669b | 233 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) |
d62a17ae | 234 | zlog_debug( |
2dbe669b | 235 | "Zebra Receive route %s: %s %pFX nexthop %pI6 ifindex %ld tag %" ROUTE_TAG_PRI, |
121f9dee QY |
236 | (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD ? "add" |
237 | : "delete"), | |
2dbe669b | 238 | zebra_route_string(api.type), &api.prefix, nexthop, |
d62a17ae | 239 | ifindex, api.tag); |
718e3744 | 240 | |
b19502d3 | 241 | memcpy(&p, &api.prefix, sizeof(p)); |
1fe59b44 | 242 | if (is_default_prefix6(&p)) |
b19502d3 YR |
243 | api.type = DEFAULT_ROUTE; |
244 | ||
121f9dee | 245 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) |
74489921 | 246 | ospf6_asbr_redistribute_add(api.type, ifindex, &api.prefix, |
beadc736 | 247 | api.nexthop_num, nexthop, api.tag, |
248 | ospf6); | |
d62a17ae | 249 | else |
beadc736 | 250 | ospf6_asbr_redistribute_remove(api.type, ifindex, &api.prefix, |
251 | ospf6); | |
718e3744 | 252 | |
d62a17ae | 253 | return 0; |
718e3744 | 254 | } |
255 | ||
9ebb75c5 | 256 | DEFUN(show_zebra, |
257 | show_ospf6_zebra_cmd, | |
258 | "show ipv6 ospf6 zebra [json]", | |
259 | SHOW_STR | |
260 | IPV6_STR | |
261 | OSPF6_STR | |
262 | ZEBRA_STR | |
263 | JSON_STR) | |
718e3744 | 264 | { |
d62a17ae | 265 | int i; |
9ebb75c5 | 266 | bool uj = use_json(argc, argv); |
267 | json_object *json; | |
268 | json_object *json_zebra; | |
269 | json_object *json_array; | |
270 | ||
d62a17ae | 271 | if (zclient == NULL) { |
272 | vty_out(vty, "Not connected to zebra\n"); | |
273 | return CMD_SUCCESS; | |
274 | } | |
275 | ||
9ebb75c5 | 276 | if (uj) { |
277 | json = json_object_new_object(); | |
278 | json_zebra = json_object_new_object(); | |
279 | json_array = json_object_new_array(); | |
280 | ||
281 | json_object_int_add(json_zebra, "fail", zclient->fail); | |
282 | json_object_int_add( | |
283 | json_zebra, "redistributeDefault", | |
284 | vrf_bitmap_check(zclient->default_information[AFI_IP6], | |
285 | VRF_DEFAULT)); | |
286 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
287 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][i], | |
288 | VRF_DEFAULT)) | |
289 | json_object_array_add( | |
290 | json_array, | |
291 | json_object_new_string( | |
292 | zebra_route_string(i))); | |
293 | } | |
294 | json_object_object_add(json_zebra, "redistribute", json_array); | |
295 | json_object_object_add(json, "zebraInformation", json_zebra); | |
296 | ||
297 | vty_out(vty, "%s\n", | |
298 | json_object_to_json_string_ext( | |
299 | json, JSON_C_TO_STRING_PRETTY)); | |
300 | } else { | |
301 | vty_out(vty, "Zebra Infomation\n"); | |
302 | vty_out(vty, " fail: %d\n", zclient->fail); | |
303 | vty_out(vty, " redistribute default: %d\n", | |
304 | vrf_bitmap_check(zclient->default_information[AFI_IP6], | |
305 | VRF_DEFAULT)); | |
306 | vty_out(vty, " redistribute:"); | |
307 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
308 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][i], | |
309 | VRF_DEFAULT)) | |
310 | vty_out(vty, " %s", zebra_route_string(i)); | |
311 | } | |
312 | vty_out(vty, "\n"); | |
d62a17ae | 313 | } |
d62a17ae | 314 | return CMD_SUCCESS; |
718e3744 | 315 | } |
316 | ||
718e3744 | 317 | #define ADD 0 |
508e53e2 | 318 | #define REM 1 |
beadc736 | 319 | static void ospf6_zebra_route_update(int type, struct ospf6_route *request, |
320 | struct ospf6 *ospf6) | |
718e3744 | 321 | { |
5afa1c6b | 322 | struct zapi_route api; |
d62a17ae | 323 | int nhcount; |
d62a17ae | 324 | int ret = 0; |
5afa1c6b | 325 | struct prefix *dest; |
d62a17ae | 326 | |
2dbe669b | 327 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
f85b7619 | 328 | zlog_debug("Zebra Send %s route: %pFX", |
2dbe669b | 329 | (type == REM ? "remove" : "add"), &request->prefix); |
d62a17ae | 330 | |
331 | if (zclient->sock < 0) { | |
332 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
333 | zlog_debug(" Not connected to Zebra"); | |
334 | return; | |
335 | } | |
336 | ||
337 | if (request->path.origin.adv_router == ospf6->router_id | |
338 | && (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
339 | || request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) { | |
340 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
341 | zlog_debug(" Ignore self-originated external route"); | |
342 | return; | |
343 | } | |
344 | ||
345 | /* If removing is the best path and if there's another path, | |
346 | treat this request as add the secondary path */ | |
347 | if (type == REM && ospf6_route_is_best(request) && request->next | |
348 | && ospf6_route_is_same(request, request->next)) { | |
349 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
350 | zlog_debug( | |
84b7a388 | 351 | " Best-path removal resulted Secondary addition"); |
d62a17ae | 352 | type = ADD; |
353 | request = request->next; | |
354 | } | |
355 | ||
356 | /* Only the best path will be sent to zebra. */ | |
357 | if (!ospf6_route_is_best(request)) { | |
358 | /* this is not preferred best route, ignore */ | |
359 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
360 | zlog_debug(" Ignore non-best route"); | |
361 | return; | |
362 | } | |
363 | ||
364 | nhcount = ospf6_route_num_nexthops(request); | |
365 | if (nhcount == 0) { | |
366 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
367 | zlog_debug(" No nexthop, ignore"); | |
368 | return; | |
369 | } | |
370 | ||
5afa1c6b | 371 | dest = &request->prefix; |
d62a17ae | 372 | |
5afa1c6b | 373 | memset(&api, 0, sizeof(api)); |
c5d28568 | 374 | api.vrf_id = ospf6->vrf_id; |
d62a17ae | 375 | api.type = ZEBRA_ROUTE_OSPF6; |
d62a17ae | 376 | api.safi = SAFI_UNICAST; |
5afa1c6b | 377 | api.prefix = *dest; |
d62a17ae | 378 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); |
1958143e MR |
379 | |
380 | if (nhcount > ospf6->max_multipath) { | |
381 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
382 | zlog_debug( | |
383 | " Nexthop count is greater than configured maximum-path, hence ignore the extra nexthops"); | |
384 | } | |
385 | api.nexthop_num = MIN(nhcount, ospf6->max_multipath); | |
386 | ||
1fa58587 IR |
387 | ospf6_route_zebra_copy_nexthops(request, api.nexthops, api.nexthop_num, |
388 | api.vrf_id); | |
d62a17ae | 389 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); |
390 | api.metric = (request->path.metric_type == 2 ? request->path.u.cost_e2 | |
391 | : request->path.cost); | |
392 | if (request->path.tag) { | |
393 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
394 | api.tag = request->path.tag; | |
395 | } | |
396 | ||
d62a17ae | 397 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); |
beadc736 | 398 | api.distance = ospf6_distance_apply((struct prefix_ipv6 *)dest, request, |
399 | ospf6); | |
d62a17ae | 400 | |
401 | if (type == REM) | |
5afa1c6b | 402 | ret = zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d62a17ae | 403 | else |
5afa1c6b | 404 | ret = zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d62a17ae | 405 | |
8a3f8f2e | 406 | if (ret == ZCLIENT_SEND_FAILURE) |
450971aa | 407 | flog_err(EC_LIB_ZAPI_SOCKET, |
1c50c1c0 QY |
408 | "zclient_route_send() %s failed: %s", |
409 | (type == REM ? "delete" : "add"), | |
410 | safe_strerror(errno)); | |
d62a17ae | 411 | |
d62a17ae | 412 | return; |
718e3744 | 413 | } |
414 | ||
beadc736 | 415 | void ospf6_zebra_route_update_add(struct ospf6_route *request, |
416 | struct ospf6 *ospf6) | |
718e3744 | 417 | { |
71165098 RW |
418 | if (ospf6->gr_info.restart_in_progress |
419 | || ospf6->gr_info.prepare_in_progress) { | |
420 | if (IS_DEBUG_OSPF6_GR) | |
421 | zlog_debug( | |
422 | "Zebra: Graceful Restart in progress -- not installing %pFX", | |
423 | &request->prefix); | |
424 | return; | |
425 | } | |
426 | ||
beadc736 | 427 | ospf6_zebra_route_update(ADD, request, ospf6); |
718e3744 | 428 | } |
429 | ||
beadc736 | 430 | void ospf6_zebra_route_update_remove(struct ospf6_route *request, |
431 | struct ospf6 *ospf6) | |
718e3744 | 432 | { |
71165098 RW |
433 | if (ospf6->gr_info.restart_in_progress |
434 | || ospf6->gr_info.prepare_in_progress) { | |
435 | if (IS_DEBUG_OSPF6_GR) | |
436 | zlog_debug( | |
437 | "Zebra: Graceful Restart in progress -- not uninstalling %pFX", | |
438 | &request->prefix); | |
439 | return; | |
440 | } | |
441 | ||
beadc736 | 442 | ospf6_zebra_route_update(REM, request, ospf6); |
718e3744 | 443 | } |
444 | ||
beadc736 | 445 | void ospf6_zebra_add_discard(struct ospf6_route *request, struct ospf6 *ospf6) |
c3c0ac83 | 446 | { |
5afa1c6b | 447 | struct zapi_route api; |
5afa1c6b | 448 | struct prefix *dest = &request->prefix; |
d62a17ae | 449 | |
71165098 RW |
450 | if (ospf6->gr_info.restart_in_progress |
451 | || ospf6->gr_info.prepare_in_progress) { | |
452 | if (IS_DEBUG_OSPF6_GR) | |
453 | zlog_debug( | |
454 | "Zebra: Graceful Restart in progress -- not installing %pFX", | |
455 | &request->prefix); | |
456 | return; | |
457 | } | |
458 | ||
d00061ea | 459 | if (!CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 460 | memset(&api, 0, sizeof(api)); |
c5d28568 | 461 | api.vrf_id = ospf6->vrf_id; |
d00061ea | 462 | api.type = ZEBRA_ROUTE_OSPF6; |
d00061ea | 463 | api.safi = SAFI_UNICAST; |
5afa1c6b | 464 | api.prefix = *dest; |
09a484dd | 465 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 466 | |
5afa1c6b | 467 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea RW |
468 | |
469 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
299ce4b3 | 470 | zlog_debug("Zebra: Route add discard %pFX", dest); |
d00061ea RW |
471 | |
472 | SET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
473 | } else { | |
d00061ea RW |
474 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
475 | zlog_debug( | |
299ce4b3 DS |
476 | "Zebra: Blackhole route present already %pFX", |
477 | dest); | |
c3c0ac83 | 478 | } |
c3c0ac83 DS |
479 | } |
480 | ||
beadc736 | 481 | void ospf6_zebra_delete_discard(struct ospf6_route *request, |
482 | struct ospf6 *ospf6) | |
c3c0ac83 | 483 | { |
5afa1c6b | 484 | struct zapi_route api; |
5afa1c6b | 485 | struct prefix *dest = &request->prefix; |
d62a17ae | 486 | |
71165098 RW |
487 | if (ospf6->gr_info.restart_in_progress |
488 | || ospf6->gr_info.prepare_in_progress) { | |
489 | if (IS_DEBUG_OSPF6_GR) | |
490 | zlog_debug( | |
491 | "Zebra: Graceful Restart in progress -- not uninstalling %pFX", | |
492 | &request->prefix); | |
493 | return; | |
494 | } | |
495 | ||
d00061ea | 496 | if (CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 497 | memset(&api, 0, sizeof(api)); |
c5d28568 | 498 | api.vrf_id = ospf6->vrf_id; |
d00061ea | 499 | api.type = ZEBRA_ROUTE_OSPF6; |
d00061ea | 500 | api.safi = SAFI_UNICAST; |
5afa1c6b | 501 | api.prefix = *dest; |
09a484dd | 502 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 503 | |
5afa1c6b | 504 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea RW |
505 | |
506 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
299ce4b3 | 507 | zlog_debug("Zebra: Route delete discard %pFX", dest); |
d00061ea RW |
508 | |
509 | UNSET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
510 | } else { | |
d00061ea RW |
511 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
512 | zlog_debug( | |
299ce4b3 DS |
513 | "Zebra: Blackhole route already deleted %pFX", |
514 | dest); | |
c3c0ac83 | 515 | } |
c3c0ac83 DS |
516 | } |
517 | ||
d62a17ae | 518 | static struct ospf6_distance *ospf6_distance_new(void) |
baff583e | 519 | { |
d62a17ae | 520 | return XCALLOC(MTYPE_OSPF6_DISTANCE, sizeof(struct ospf6_distance)); |
baff583e MZ |
521 | } |
522 | ||
d62a17ae | 523 | static void ospf6_distance_free(struct ospf6_distance *odistance) |
baff583e | 524 | { |
d62a17ae | 525 | XFREE(MTYPE_OSPF6_DISTANCE, odistance); |
baff583e MZ |
526 | } |
527 | ||
d62a17ae | 528 | int ospf6_distance_set(struct vty *vty, struct ospf6 *o, |
529 | const char *distance_str, const char *ip_str, | |
530 | const char *access_list_str) | |
baff583e | 531 | { |
d62a17ae | 532 | int ret; |
533 | struct prefix_ipv6 p; | |
d7c0a89a | 534 | uint8_t distance; |
d62a17ae | 535 | struct route_node *rn; |
536 | struct ospf6_distance *odistance; | |
537 | ||
538 | ret = str2prefix_ipv6(ip_str, &p); | |
539 | if (ret == 0) { | |
540 | vty_out(vty, "Malformed prefix\n"); | |
541 | return CMD_WARNING_CONFIG_FAILED; | |
542 | } | |
543 | ||
544 | distance = atoi(distance_str); | |
545 | ||
546 | /* Get OSPF6 distance node. */ | |
547 | rn = route_node_get(o->distance_table, (struct prefix *)&p); | |
548 | if (rn->info) { | |
549 | odistance = rn->info; | |
550 | route_unlock_node(rn); | |
551 | } else { | |
552 | odistance = ospf6_distance_new(); | |
553 | rn->info = odistance; | |
554 | } | |
555 | ||
556 | /* Set distance value. */ | |
557 | odistance->distance = distance; | |
558 | ||
559 | /* Reset access-list configuration. */ | |
560 | if (odistance->access_list) { | |
561 | free(odistance->access_list); | |
562 | odistance->access_list = NULL; | |
563 | } | |
564 | if (access_list_str) | |
565 | odistance->access_list = strdup(access_list_str); | |
566 | ||
567 | return CMD_SUCCESS; | |
baff583e MZ |
568 | } |
569 | ||
d62a17ae | 570 | int ospf6_distance_unset(struct vty *vty, struct ospf6 *o, |
571 | const char *distance_str, const char *ip_str, | |
572 | const char *access_list_str) | |
baff583e | 573 | { |
d62a17ae | 574 | int ret; |
575 | struct prefix_ipv6 p; | |
576 | struct route_node *rn; | |
577 | struct ospf6_distance *odistance; | |
578 | ||
579 | ret = str2prefix_ipv6(ip_str, &p); | |
580 | if (ret == 0) { | |
581 | vty_out(vty, "Malformed prefix\n"); | |
582 | return CMD_WARNING_CONFIG_FAILED; | |
583 | } | |
584 | ||
585 | rn = route_node_lookup(o->distance_table, (struct prefix *)&p); | |
586 | if (!rn) { | |
587 | vty_out(vty, "Cant't find specified prefix\n"); | |
588 | return CMD_WARNING_CONFIG_FAILED; | |
589 | } | |
590 | ||
591 | odistance = rn->info; | |
592 | ||
593 | if (odistance->access_list) | |
594 | free(odistance->access_list); | |
595 | ospf6_distance_free(odistance); | |
596 | ||
597 | rn->info = NULL; | |
598 | route_unlock_node(rn); | |
599 | route_unlock_node(rn); | |
600 | ||
601 | return CMD_SUCCESS; | |
baff583e MZ |
602 | } |
603 | ||
d62a17ae | 604 | void ospf6_distance_reset(struct ospf6 *o) |
baff583e | 605 | { |
d62a17ae | 606 | struct route_node *rn; |
607 | struct ospf6_distance *odistance; | |
608 | ||
609 | for (rn = route_top(o->distance_table); rn; rn = route_next(rn)) | |
610 | if ((odistance = rn->info) != NULL) { | |
611 | if (odistance->access_list) | |
612 | free(odistance->access_list); | |
613 | ospf6_distance_free(odistance); | |
614 | rn->info = NULL; | |
615 | route_unlock_node(rn); | |
616 | } | |
baff583e MZ |
617 | } |
618 | ||
beadc736 | 619 | uint8_t ospf6_distance_apply(struct prefix_ipv6 *p, struct ospf6_route * or, |
620 | struct ospf6 *ospf6) | |
baff583e | 621 | { |
d62a17ae | 622 | struct ospf6 *o; |
baff583e | 623 | |
d62a17ae | 624 | o = ospf6; |
625 | if (o == NULL) | |
626 | return 0; | |
baff583e | 627 | |
d62a17ae | 628 | if (o->distance_intra) |
629 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
630 | return o->distance_intra; | |
baff583e | 631 | |
d62a17ae | 632 | if (o->distance_inter) |
633 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
634 | return o->distance_inter; | |
baff583e | 635 | |
d62a17ae | 636 | if (o->distance_external) |
637 | if (or->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
638 | or->path.type == OSPF6_PATH_TYPE_EXTERNAL2) | |
639 | return o->distance_external; | |
baff583e | 640 | |
d62a17ae | 641 | if (o->distance_all) |
642 | return o->distance_all; | |
baff583e | 643 | |
d62a17ae | 644 | return 0; |
baff583e MZ |
645 | } |
646 | ||
d62a17ae | 647 | static void ospf6_zebra_connected(struct zclient *zclient) |
7076bb2f | 648 | { |
d62a17ae | 649 | /* Send the client registration */ |
0945d5ed | 650 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER, VRF_DEFAULT); |
2376c3f2 | 651 | |
d62a17ae | 652 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
653 | } |
654 | ||
d62a17ae | 655 | void ospf6_zebra_init(struct thread_master *master) |
718e3744 | 656 | { |
d62a17ae | 657 | /* Allocate zebra structure. */ |
26f63a1e | 658 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 659 | zclient_init(zclient, ZEBRA_ROUTE_OSPF6, 0, &ospf6d_privs); |
d62a17ae | 660 | zclient->zebra_connected = ospf6_zebra_connected; |
661 | zclient->router_id_update = ospf6_router_id_update_zebra; | |
d62a17ae | 662 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; |
663 | zclient->interface_address_delete = | |
664 | ospf6_zebra_if_address_update_delete; | |
74489921 RW |
665 | zclient->redistribute_route_add = ospf6_zebra_read_route; |
666 | zclient->redistribute_route_del = ospf6_zebra_read_route; | |
d62a17ae | 667 | |
d62a17ae | 668 | /* Install command element for zebra node. */ |
669 | install_element(VIEW_NODE, &show_ospf6_zebra_cmd); | |
718e3744 | 670 | } |
671 | ||
508e53e2 | 672 | /* Debug */ |
6b0655a2 | 673 | |
508e53e2 | 674 | DEFUN (debug_ospf6_zebra_sendrecv, |
675 | debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 676 | "debug ospf6 zebra [<send|recv>]", |
508e53e2 | 677 | DEBUG_STR |
678 | OSPF6_STR | |
679 | "Debug connection between zebra\n" | |
680 | "Debug Sending zebra\n" | |
681 | "Debug Receiving zebra\n" | |
682 | ) | |
683 | { | |
d62a17ae | 684 | int idx_send_recv = 3; |
685 | unsigned char level = 0; | |
686 | ||
687 | if (argc == 4) { | |
688 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
689 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
690 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
691 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
692 | } else | |
693 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
694 | ||
695 | OSPF6_DEBUG_ZEBRA_ON(level); | |
696 | return CMD_SUCCESS; | |
508e53e2 | 697 | } |
698 | ||
508e53e2 | 699 | DEFUN (no_debug_ospf6_zebra_sendrecv, |
700 | no_debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 701 | "no debug ospf6 zebra [<send|recv>]", |
508e53e2 | 702 | NO_STR |
703 | DEBUG_STR | |
704 | OSPF6_STR | |
705 | "Debug connection between zebra\n" | |
706 | "Debug Sending zebra\n" | |
707 | "Debug Receiving zebra\n" | |
708 | ) | |
709 | { | |
d62a17ae | 710 | int idx_send_recv = 4; |
711 | unsigned char level = 0; | |
712 | ||
713 | if (argc == 5) { | |
714 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
715 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
716 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
717 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
718 | } else | |
719 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
720 | ||
721 | OSPF6_DEBUG_ZEBRA_OFF(level); | |
722 | return CMD_SUCCESS; | |
508e53e2 | 723 | } |
724 | ||
508e53e2 | 725 | |
d62a17ae | 726 | int config_write_ospf6_debug_zebra(struct vty *vty) |
508e53e2 | 727 | { |
d62a17ae | 728 | if (IS_OSPF6_DEBUG_ZEBRA(SEND) && IS_OSPF6_DEBUG_ZEBRA(RECV)) |
729 | vty_out(vty, "debug ospf6 zebra\n"); | |
730 | else { | |
731 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
732 | vty_out(vty, "debug ospf6 zebra send\n"); | |
733 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
734 | vty_out(vty, "debug ospf6 zebra recv\n"); | |
735 | } | |
736 | return 0; | |
508e53e2 | 737 | } |
738 | ||
d62a17ae | 739 | void install_element_ospf6_debug_zebra(void) |
718e3744 | 740 | { |
d62a17ae | 741 | install_element(ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); |
742 | install_element(ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
743 | install_element(CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
744 | install_element(CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 745 | } |