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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" |
718e3744 | 31 | |
508e53e2 | 32 | #include "ospf6_proto.h" |
33 | #include "ospf6_top.h" | |
718e3744 | 34 | #include "ospf6_interface.h" |
508e53e2 | 35 | #include "ospf6_route.h" |
36 | #include "ospf6_lsa.h" | |
049207c3 | 37 | #include "ospf6_lsdb.h" |
718e3744 | 38 | #include "ospf6_asbr.h" |
508e53e2 | 39 | #include "ospf6_zebra.h" |
049207c3 | 40 | #include "ospf6d.h" |
718e3744 | 41 | |
d62a17ae | 42 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_DISTANCE, "OSPF6 distance") |
baff583e | 43 | |
508e53e2 | 44 | unsigned char conf_debug_ospf6_zebra = 0; |
718e3744 | 45 | |
46 | /* information about zebra. */ | |
47 | struct zclient *zclient = NULL; | |
48 | ||
18a6dce6 | 49 | struct in_addr router_id_zebra; |
50 | ||
51 | /* Router-id update message from zebra. */ | |
d62a17ae | 52 | static int ospf6_router_id_update_zebra(int command, struct zclient *zclient, |
53 | zebra_size_t length, vrf_id_t vrf_id) | |
18a6dce6 | 54 | { |
d62a17ae | 55 | struct prefix router_id; |
56 | struct ospf6 *o = ospf6; | |
18a6dce6 | 57 | |
d62a17ae | 58 | zebra_router_id_update_read(zclient->ibuf, &router_id); |
59 | router_id_zebra = router_id.u.prefix4; | |
18a6dce6 | 60 | |
d62a17ae | 61 | if (o == NULL) |
62 | return 0; | |
c1ba9e8a | 63 | |
d62a17ae | 64 | if (o->router_id == 0) |
65 | o->router_id = (u_int32_t)router_id_zebra.s_addr; | |
18a6dce6 | 66 | |
d62a17ae | 67 | return 0; |
18a6dce6 | 68 | } |
69 | ||
718e3744 | 70 | /* redistribute function */ |
d62a17ae | 71 | void ospf6_zebra_redistribute(int type) |
718e3744 | 72 | { |
d62a17ae | 73 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
74 | return; | |
75 | vrf_bitmap_set(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
7076bb2f | 76 | |
d62a17ae | 77 | if (zclient->sock > 0) |
78 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, | |
79 | AFI_IP6, type, 0, VRF_DEFAULT); | |
718e3744 | 80 | } |
81 | ||
d62a17ae | 82 | void ospf6_zebra_no_redistribute(int type) |
718e3744 | 83 | { |
d62a17ae | 84 | if (!vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
85 | return; | |
86 | vrf_bitmap_unset(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
87 | if (zclient->sock > 0) | |
88 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient, | |
89 | AFI_IP6, type, 0, VRF_DEFAULT); | |
718e3744 | 90 | } |
91 | ||
718e3744 | 92 | /* Inteface addition message from zebra. */ |
d62a17ae | 93 | static int ospf6_zebra_if_add(int command, struct zclient *zclient, |
94 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 95 | { |
d62a17ae | 96 | struct interface *ifp; |
97 | ||
98 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
99 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
100 | zlog_debug("Zebra Interface add: %s index %d mtu %d", ifp->name, | |
101 | ifp->ifindex, ifp->mtu6); | |
102 | ospf6_interface_if_add(ifp); | |
103 | return 0; | |
718e3744 | 104 | } |
105 | ||
d62a17ae | 106 | static int ospf6_zebra_if_del(int command, struct zclient *zclient, |
107 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 108 | { |
d62a17ae | 109 | struct interface *ifp; |
718e3744 | 110 | |
d62a17ae | 111 | if (!(ifp = zebra_interface_state_read(zclient->ibuf, vrf_id))) |
112 | return 0; | |
d2fc8896 | 113 | |
d62a17ae | 114 | if (if_is_up(ifp)) |
115 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
116 | ifp->name); | |
d2fc8896 | 117 | |
d62a17ae | 118 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) |
119 | zlog_debug("Zebra Interface delete: %s index %d mtu %d", | |
120 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 121 | |
d2fc8896 | 122 | #if 0 |
d9628728 CF |
123 | /* XXX: ospf6_interface_if_del is not the right way to handle this, |
124 | * because among other thinkable issues, it will also clear all | |
125 | * settings as they are contained in the struct ospf6_interface. */ | |
718e3744 | 126 | ospf6_interface_if_del (ifp); |
508e53e2 | 127 | #endif /*0*/ |
d2fc8896 | 128 | |
d62a17ae | 129 | ifp->ifindex = IFINDEX_DELETED; |
130 | return 0; | |
718e3744 | 131 | } |
132 | ||
d62a17ae | 133 | static int ospf6_zebra_if_state_update(int command, struct zclient *zclient, |
134 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 135 | { |
d62a17ae | 136 | struct interface *ifp; |
137 | ||
138 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
139 | if (ifp == NULL) | |
140 | return 0; | |
141 | ||
142 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
143 | zlog_debug( | |
144 | "Zebra Interface state change: " | |
145 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", | |
146 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
147 | ifp->metric, ifp->mtu6, ifp->bandwidth); | |
148 | ||
149 | ospf6_interface_state_update(ifp); | |
150 | return 0; | |
718e3744 | 151 | } |
152 | ||
d62a17ae | 153 | static int ospf6_zebra_if_address_update_add(int command, |
154 | struct zclient *zclient, | |
155 | zebra_size_t length, | |
156 | vrf_id_t vrf_id) | |
718e3744 | 157 | { |
d62a17ae | 158 | struct connected *c; |
159 | char buf[128]; | |
160 | ||
161 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, | |
162 | zclient->ibuf, vrf_id); | |
163 | if (c == NULL) | |
164 | return 0; | |
165 | ||
166 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
167 | zlog_debug("Zebra Interface address add: %s %5s %s/%d", | |
168 | c->ifp->name, prefix_family_str(c->address), | |
169 | inet_ntop(c->address->family, &c->address->u.prefix, | |
170 | buf, sizeof(buf)), | |
171 | c->address->prefixlen); | |
172 | ||
173 | if (c->address->family == AF_INET6) { | |
174 | ospf6_interface_state_update(c->ifp); | |
175 | ospf6_interface_connected_route_update(c->ifp); | |
176 | } | |
177 | return 0; | |
718e3744 | 178 | } |
179 | ||
d62a17ae | 180 | static int ospf6_zebra_if_address_update_delete(int command, |
181 | struct zclient *zclient, | |
182 | zebra_size_t length, | |
183 | vrf_id_t vrf_id) | |
718e3744 | 184 | { |
d62a17ae | 185 | struct connected *c; |
186 | char buf[128]; | |
187 | ||
188 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
189 | zclient->ibuf, vrf_id); | |
190 | if (c == NULL) | |
191 | return 0; | |
192 | ||
193 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
194 | zlog_debug("Zebra Interface address delete: %s %5s %s/%d", | |
195 | c->ifp->name, prefix_family_str(c->address), | |
196 | inet_ntop(c->address->family, &c->address->u.prefix, | |
197 | buf, sizeof(buf)), | |
198 | c->address->prefixlen); | |
199 | ||
200 | if (c->address->family == AF_INET6) { | |
201 | ospf6_interface_connected_route_update(c->ifp); | |
202 | ospf6_interface_state_update(c->ifp); | |
203 | } | |
718e3744 | 204 | |
d62a17ae | 205 | connected_free(c); |
718e3744 | 206 | |
d62a17ae | 207 | return 0; |
208 | } | |
718e3744 | 209 | |
d62a17ae | 210 | static int ospf6_zebra_read_ipv6(int command, struct zclient *zclient, |
211 | zebra_size_t length, vrf_id_t vrf_id) | |
212 | { | |
213 | struct stream *s; | |
214 | struct zapi_ipv6 api; | |
215 | unsigned long ifindex; | |
216 | struct prefix p, src_p; | |
217 | struct in6_addr *nexthop; | |
218 | ||
219 | if (ospf6 == NULL) | |
220 | return 0; | |
221 | ||
222 | s = zclient->ibuf; | |
223 | ifindex = 0; | |
224 | nexthop = NULL; | |
225 | memset(&api, 0, sizeof(api)); | |
226 | ||
227 | /* Type, flags, message. */ | |
228 | api.type = stream_getc(s); | |
229 | api.instance = stream_getw(s); | |
230 | api.flags = stream_getl(s); | |
231 | api.message = stream_getc(s); | |
232 | ||
233 | /* IPv6 prefix. */ | |
234 | memset(&p, 0, sizeof(struct prefix)); | |
235 | p.family = AF_INET6; | |
236 | p.prefixlen = MIN(IPV6_MAX_PREFIXLEN, stream_getc(s)); | |
237 | stream_get(&p.u.prefix6, s, PSIZE(p.prefixlen)); | |
238 | ||
239 | memset(&src_p, 0, sizeof(struct prefix)); | |
240 | src_p.family = AF_INET6; | |
241 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) { | |
242 | src_p.prefixlen = stream_getc(s); | |
243 | stream_get(&src_p.u.prefix6, s, PSIZE(src_p.prefixlen)); | |
244 | } | |
245 | ||
246 | if (src_p.prefixlen) | |
247 | /* we completely ignore srcdest routes for now. */ | |
248 | return 0; | |
249 | ||
250 | /* Nexthop, ifindex, distance, metric. */ | |
251 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) { | |
252 | api.nexthop_num = stream_getc(s); | |
253 | nexthop = (struct in6_addr *)malloc(api.nexthop_num | |
254 | * sizeof(struct in6_addr)); | |
255 | stream_get(nexthop, s, | |
256 | api.nexthop_num * sizeof(struct in6_addr)); | |
257 | } | |
258 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX)) { | |
259 | api.ifindex_num = stream_getc(s); | |
260 | ifindex = stream_getl(s); | |
261 | } | |
262 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE)) | |
263 | api.distance = stream_getc(s); | |
264 | else | |
265 | api.distance = 0; | |
266 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC)) | |
267 | api.metric = stream_getl(s); | |
268 | else | |
269 | api.metric = 0; | |
270 | ||
271 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_TAG)) | |
272 | api.tag = stream_getl(s); | |
273 | else | |
274 | api.tag = 0; | |
275 | ||
276 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
277 | char prefixstr[PREFIX2STR_BUFFER], nexthopstr[128]; | |
278 | prefix2str((struct prefix *)&p, prefixstr, sizeof(prefixstr)); | |
279 | if (nexthop) | |
280 | inet_ntop(AF_INET6, nexthop, nexthopstr, | |
281 | sizeof(nexthopstr)); | |
282 | else | |
283 | snprintf(nexthopstr, sizeof(nexthopstr), "::"); | |
284 | ||
285 | zlog_debug( | |
286 | "Zebra Receive route %s: %s %s nexthop %s ifindex %ld tag %" ROUTE_TAG_PRI, | |
287 | (command == ZEBRA_REDISTRIBUTE_IPV6_ADD ? "add" | |
288 | : "delete"), | |
289 | zebra_route_string(api.type), prefixstr, nexthopstr, | |
290 | ifindex, api.tag); | |
291 | } | |
718e3744 | 292 | |
d62a17ae | 293 | if (command == ZEBRA_REDISTRIBUTE_IPV6_ADD) |
294 | ospf6_asbr_redistribute_add(api.type, ifindex, &p, | |
295 | api.nexthop_num, nexthop, api.tag); | |
296 | else | |
297 | ospf6_asbr_redistribute_remove(api.type, ifindex, &p); | |
3f6d6a5d | 298 | |
d62a17ae | 299 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) |
300 | free(nexthop); | |
718e3744 | 301 | |
d62a17ae | 302 | return 0; |
718e3744 | 303 | } |
304 | ||
718e3744 | 305 | DEFUN (show_zebra, |
eefe02da DS |
306 | show_ospf6_zebra_cmd, |
307 | "show ipv6 ospf6 zebra", | |
718e3744 | 308 | SHOW_STR |
eefe02da DS |
309 | IPV6_STR |
310 | OSPF6_STR | |
718e3744 | 311 | "Zebra information\n") |
312 | { | |
d62a17ae | 313 | int i; |
314 | if (zclient == NULL) { | |
315 | vty_out(vty, "Not connected to zebra\n"); | |
316 | return CMD_SUCCESS; | |
317 | } | |
318 | ||
319 | vty_out(vty, "Zebra Infomation\n"); | |
34b054ba | 320 | vty_out(vty, " fail: %d\n", zclient->fail); |
d62a17ae | 321 | vty_out(vty, " redistribute default: %d\n", |
322 | vrf_bitmap_check(zclient->default_information, VRF_DEFAULT)); | |
323 | vty_out(vty, " redistribute:"); | |
324 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
325 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][i], VRF_DEFAULT)) | |
326 | vty_out(vty, " %s", zebra_route_string(i)); | |
327 | } | |
328 | vty_out(vty, "\n"); | |
329 | return CMD_SUCCESS; | |
718e3744 | 330 | } |
331 | ||
718e3744 | 332 | #define ADD 0 |
508e53e2 | 333 | #define REM 1 |
d62a17ae | 334 | static void ospf6_zebra_route_update(int type, struct ospf6_route *request) |
718e3744 | 335 | { |
5afa1c6b | 336 | struct zapi_route api; |
d62a17ae | 337 | char buf[PREFIX2STR_BUFFER]; |
338 | int nhcount; | |
d62a17ae | 339 | int ret = 0; |
5afa1c6b | 340 | struct prefix *dest; |
d62a17ae | 341 | |
342 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) { | |
343 | prefix2str(&request->prefix, buf, sizeof(buf)); | |
344 | zlog_debug("Send %s route: %s", | |
345 | (type == REM ? "remove" : "add"), buf); | |
346 | } | |
347 | ||
348 | if (zclient->sock < 0) { | |
349 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
350 | zlog_debug(" Not connected to Zebra"); | |
351 | return; | |
352 | } | |
353 | ||
354 | if (request->path.origin.adv_router == ospf6->router_id | |
355 | && (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
356 | || request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) { | |
357 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
358 | zlog_debug(" Ignore self-originated external route"); | |
359 | return; | |
360 | } | |
361 | ||
362 | /* If removing is the best path and if there's another path, | |
363 | treat this request as add the secondary path */ | |
364 | if (type == REM && ospf6_route_is_best(request) && request->next | |
365 | && ospf6_route_is_same(request, request->next)) { | |
366 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
367 | zlog_debug( | |
368 | " Best-path removal resulted Sencondary addition"); | |
369 | type = ADD; | |
370 | request = request->next; | |
371 | } | |
372 | ||
373 | /* Only the best path will be sent to zebra. */ | |
374 | if (!ospf6_route_is_best(request)) { | |
375 | /* this is not preferred best route, ignore */ | |
376 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
377 | zlog_debug(" Ignore non-best route"); | |
378 | return; | |
379 | } | |
380 | ||
381 | nhcount = ospf6_route_num_nexthops(request); | |
382 | if (nhcount == 0) { | |
383 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
384 | zlog_debug(" No nexthop, ignore"); | |
385 | return; | |
386 | } | |
387 | ||
5afa1c6b | 388 | dest = &request->prefix; |
d62a17ae | 389 | |
5afa1c6b | 390 | memset(&api, 0, sizeof(api)); |
d62a17ae | 391 | api.vrf_id = VRF_DEFAULT; |
392 | api.type = ZEBRA_ROUTE_OSPF6; | |
d62a17ae | 393 | api.safi = SAFI_UNICAST; |
5afa1c6b | 394 | api.prefix = *dest; |
d62a17ae | 395 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); |
396 | api.nexthop_num = nhcount; | |
5afa1c6b | 397 | ospf6_route_zebra_copy_nexthops(request, api.nexthops, nhcount); |
d62a17ae | 398 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); |
399 | api.metric = (request->path.metric_type == 2 ? request->path.u.cost_e2 | |
400 | : request->path.cost); | |
401 | if (request->path.tag) { | |
402 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
403 | api.tag = request->path.tag; | |
404 | } | |
405 | ||
d62a17ae | 406 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); |
5afa1c6b RW |
407 | api.distance = |
408 | ospf6_distance_apply((struct prefix_ipv6 *)dest, request); | |
d62a17ae | 409 | |
410 | if (type == REM) | |
5afa1c6b | 411 | ret = zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d62a17ae | 412 | else |
5afa1c6b | 413 | ret = zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d62a17ae | 414 | |
415 | if (ret < 0) | |
5afa1c6b | 416 | zlog_err("zclient_route_send() %s failed: %s", |
d62a17ae | 417 | (type == REM ? "delete" : "add"), |
418 | safe_strerror(errno)); | |
419 | ||
d62a17ae | 420 | return; |
718e3744 | 421 | } |
422 | ||
d62a17ae | 423 | void ospf6_zebra_route_update_add(struct ospf6_route *request) |
718e3744 | 424 | { |
d62a17ae | 425 | ospf6_zebra_route_update(ADD, request); |
718e3744 | 426 | } |
427 | ||
d62a17ae | 428 | void ospf6_zebra_route_update_remove(struct ospf6_route *request) |
718e3744 | 429 | { |
d62a17ae | 430 | ospf6_zebra_route_update(REM, request); |
718e3744 | 431 | } |
432 | ||
d62a17ae | 433 | void ospf6_zebra_add_discard(struct ospf6_route *request) |
c3c0ac83 | 434 | { |
5afa1c6b | 435 | struct zapi_route api; |
d62a17ae | 436 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 437 | struct prefix *dest = &request->prefix; |
d62a17ae | 438 | |
d00061ea | 439 | if (!CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 440 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
441 | api.vrf_id = VRF_DEFAULT; |
442 | api.type = ZEBRA_ROUTE_OSPF6; | |
443 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
d00061ea | 444 | api.safi = SAFI_UNICAST; |
5afa1c6b | 445 | api.prefix = *dest; |
d00061ea | 446 | |
5afa1c6b | 447 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea RW |
448 | |
449 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
450 | zlog_debug("Zebra: Route add discard %s/%d", | |
5afa1c6b | 451 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
452 | INET6_ADDRSTRLEN), |
453 | dest->prefixlen); | |
454 | ||
455 | SET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
456 | } else { | |
d00061ea RW |
457 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
458 | zlog_debug( | |
459 | "Zebra: Blackhole route present already %s/%d", | |
5afa1c6b | 460 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
461 | INET6_ADDRSTRLEN), |
462 | dest->prefixlen); | |
c3c0ac83 | 463 | } |
c3c0ac83 DS |
464 | } |
465 | ||
d62a17ae | 466 | void ospf6_zebra_delete_discard(struct ospf6_route *request) |
c3c0ac83 | 467 | { |
5afa1c6b | 468 | struct zapi_route api; |
d62a17ae | 469 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 470 | struct prefix *dest = &request->prefix; |
d62a17ae | 471 | |
d00061ea | 472 | if (CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 473 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
474 | api.vrf_id = VRF_DEFAULT; |
475 | api.type = ZEBRA_ROUTE_OSPF6; | |
476 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
d00061ea | 477 | api.safi = SAFI_UNICAST; |
5afa1c6b | 478 | api.prefix = *dest; |
d00061ea | 479 | |
5afa1c6b | 480 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea RW |
481 | |
482 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
483 | zlog_debug("Zebra: Route delete discard %s/%d", | |
5afa1c6b | 484 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
485 | INET6_ADDRSTRLEN), |
486 | dest->prefixlen); | |
487 | ||
488 | UNSET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
489 | } else { | |
d00061ea RW |
490 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
491 | zlog_debug( | |
492 | "Zebra: Blackhole route already deleted %s/%d", | |
5afa1c6b | 493 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
494 | INET6_ADDRSTRLEN), |
495 | dest->prefixlen); | |
c3c0ac83 | 496 | } |
c3c0ac83 DS |
497 | } |
498 | ||
d62a17ae | 499 | static struct ospf6_distance *ospf6_distance_new(void) |
baff583e | 500 | { |
d62a17ae | 501 | return XCALLOC(MTYPE_OSPF6_DISTANCE, sizeof(struct ospf6_distance)); |
baff583e MZ |
502 | } |
503 | ||
d62a17ae | 504 | static void ospf6_distance_free(struct ospf6_distance *odistance) |
baff583e | 505 | { |
d62a17ae | 506 | XFREE(MTYPE_OSPF6_DISTANCE, odistance); |
baff583e MZ |
507 | } |
508 | ||
d62a17ae | 509 | int ospf6_distance_set(struct vty *vty, struct ospf6 *o, |
510 | const char *distance_str, const char *ip_str, | |
511 | const char *access_list_str) | |
baff583e | 512 | { |
d62a17ae | 513 | int ret; |
514 | struct prefix_ipv6 p; | |
515 | u_char distance; | |
516 | struct route_node *rn; | |
517 | struct ospf6_distance *odistance; | |
518 | ||
519 | ret = str2prefix_ipv6(ip_str, &p); | |
520 | if (ret == 0) { | |
521 | vty_out(vty, "Malformed prefix\n"); | |
522 | return CMD_WARNING_CONFIG_FAILED; | |
523 | } | |
524 | ||
525 | distance = atoi(distance_str); | |
526 | ||
527 | /* Get OSPF6 distance node. */ | |
528 | rn = route_node_get(o->distance_table, (struct prefix *)&p); | |
529 | if (rn->info) { | |
530 | odistance = rn->info; | |
531 | route_unlock_node(rn); | |
532 | } else { | |
533 | odistance = ospf6_distance_new(); | |
534 | rn->info = odistance; | |
535 | } | |
536 | ||
537 | /* Set distance value. */ | |
538 | odistance->distance = distance; | |
539 | ||
540 | /* Reset access-list configuration. */ | |
541 | if (odistance->access_list) { | |
542 | free(odistance->access_list); | |
543 | odistance->access_list = NULL; | |
544 | } | |
545 | if (access_list_str) | |
546 | odistance->access_list = strdup(access_list_str); | |
547 | ||
548 | return CMD_SUCCESS; | |
baff583e MZ |
549 | } |
550 | ||
d62a17ae | 551 | int ospf6_distance_unset(struct vty *vty, struct ospf6 *o, |
552 | const char *distance_str, const char *ip_str, | |
553 | const char *access_list_str) | |
baff583e | 554 | { |
d62a17ae | 555 | int ret; |
556 | struct prefix_ipv6 p; | |
557 | struct route_node *rn; | |
558 | struct ospf6_distance *odistance; | |
559 | ||
560 | ret = str2prefix_ipv6(ip_str, &p); | |
561 | if (ret == 0) { | |
562 | vty_out(vty, "Malformed prefix\n"); | |
563 | return CMD_WARNING_CONFIG_FAILED; | |
564 | } | |
565 | ||
566 | rn = route_node_lookup(o->distance_table, (struct prefix *)&p); | |
567 | if (!rn) { | |
568 | vty_out(vty, "Cant't find specified prefix\n"); | |
569 | return CMD_WARNING_CONFIG_FAILED; | |
570 | } | |
571 | ||
572 | odistance = rn->info; | |
573 | ||
574 | if (odistance->access_list) | |
575 | free(odistance->access_list); | |
576 | ospf6_distance_free(odistance); | |
577 | ||
578 | rn->info = NULL; | |
579 | route_unlock_node(rn); | |
580 | route_unlock_node(rn); | |
581 | ||
582 | return CMD_SUCCESS; | |
baff583e MZ |
583 | } |
584 | ||
d62a17ae | 585 | void ospf6_distance_reset(struct ospf6 *o) |
baff583e | 586 | { |
d62a17ae | 587 | struct route_node *rn; |
588 | struct ospf6_distance *odistance; | |
589 | ||
590 | for (rn = route_top(o->distance_table); rn; rn = route_next(rn)) | |
591 | if ((odistance = rn->info) != NULL) { | |
592 | if (odistance->access_list) | |
593 | free(odistance->access_list); | |
594 | ospf6_distance_free(odistance); | |
595 | rn->info = NULL; | |
596 | route_unlock_node(rn); | |
597 | } | |
baff583e MZ |
598 | } |
599 | ||
d62a17ae | 600 | u_char ospf6_distance_apply(struct prefix_ipv6 *p, struct ospf6_route * or) |
baff583e | 601 | { |
d62a17ae | 602 | struct ospf6 *o; |
baff583e | 603 | |
d62a17ae | 604 | o = ospf6; |
605 | if (o == NULL) | |
606 | return 0; | |
baff583e | 607 | |
d62a17ae | 608 | if (o->distance_intra) |
609 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
610 | return o->distance_intra; | |
baff583e | 611 | |
d62a17ae | 612 | if (o->distance_inter) |
613 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
614 | return o->distance_inter; | |
baff583e | 615 | |
d62a17ae | 616 | if (o->distance_external) |
617 | if (or->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
618 | or->path.type == OSPF6_PATH_TYPE_EXTERNAL2) | |
619 | return o->distance_external; | |
baff583e | 620 | |
d62a17ae | 621 | if (o->distance_all) |
622 | return o->distance_all; | |
baff583e | 623 | |
d62a17ae | 624 | return 0; |
baff583e MZ |
625 | } |
626 | ||
d62a17ae | 627 | static void ospf6_zebra_connected(struct zclient *zclient) |
7076bb2f | 628 | { |
d62a17ae | 629 | /* Send the client registration */ |
630 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 631 | |
d62a17ae | 632 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
633 | } |
634 | ||
d62a17ae | 635 | void ospf6_zebra_init(struct thread_master *master) |
718e3744 | 636 | { |
d62a17ae | 637 | /* Allocate zebra structure. */ |
638 | zclient = zclient_new(master); | |
639 | zclient_init(zclient, ZEBRA_ROUTE_OSPF6, 0); | |
640 | zclient->zebra_connected = ospf6_zebra_connected; | |
641 | zclient->router_id_update = ospf6_router_id_update_zebra; | |
642 | zclient->interface_add = ospf6_zebra_if_add; | |
643 | zclient->interface_delete = ospf6_zebra_if_del; | |
644 | zclient->interface_up = ospf6_zebra_if_state_update; | |
645 | zclient->interface_down = ospf6_zebra_if_state_update; | |
646 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
647 | zclient->interface_address_delete = | |
648 | ospf6_zebra_if_address_update_delete; | |
649 | zclient->redistribute_route_ipv4_add = NULL; | |
650 | zclient->redistribute_route_ipv4_del = NULL; | |
651 | zclient->redistribute_route_ipv6_add = ospf6_zebra_read_ipv6; | |
652 | zclient->redistribute_route_ipv6_del = ospf6_zebra_read_ipv6; | |
653 | ||
d62a17ae | 654 | /* Install command element for zebra node. */ |
655 | install_element(VIEW_NODE, &show_ospf6_zebra_cmd); | |
718e3744 | 656 | } |
657 | ||
508e53e2 | 658 | /* Debug */ |
6b0655a2 | 659 | |
508e53e2 | 660 | DEFUN (debug_ospf6_zebra_sendrecv, |
661 | debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 662 | "debug ospf6 zebra [<send|recv>]", |
508e53e2 | 663 | DEBUG_STR |
664 | OSPF6_STR | |
665 | "Debug connection between zebra\n" | |
666 | "Debug Sending zebra\n" | |
667 | "Debug Receiving zebra\n" | |
668 | ) | |
669 | { | |
d62a17ae | 670 | int idx_send_recv = 3; |
671 | unsigned char level = 0; | |
672 | ||
673 | if (argc == 4) { | |
674 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
675 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
676 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
677 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
678 | } else | |
679 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
680 | ||
681 | OSPF6_DEBUG_ZEBRA_ON(level); | |
682 | return CMD_SUCCESS; | |
508e53e2 | 683 | } |
684 | ||
508e53e2 | 685 | DEFUN (no_debug_ospf6_zebra_sendrecv, |
686 | no_debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 687 | "no debug ospf6 zebra [<send|recv>]", |
508e53e2 | 688 | NO_STR |
689 | DEBUG_STR | |
690 | OSPF6_STR | |
691 | "Debug connection between zebra\n" | |
692 | "Debug Sending zebra\n" | |
693 | "Debug Receiving zebra\n" | |
694 | ) | |
695 | { | |
d62a17ae | 696 | int idx_send_recv = 4; |
697 | unsigned char level = 0; | |
698 | ||
699 | if (argc == 5) { | |
700 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
701 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
702 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
703 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
704 | } else | |
705 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
706 | ||
707 | OSPF6_DEBUG_ZEBRA_OFF(level); | |
708 | return CMD_SUCCESS; | |
508e53e2 | 709 | } |
710 | ||
508e53e2 | 711 | |
d62a17ae | 712 | int config_write_ospf6_debug_zebra(struct vty *vty) |
508e53e2 | 713 | { |
d62a17ae | 714 | if (IS_OSPF6_DEBUG_ZEBRA(SEND) && IS_OSPF6_DEBUG_ZEBRA(RECV)) |
715 | vty_out(vty, "debug ospf6 zebra\n"); | |
716 | else { | |
717 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
718 | vty_out(vty, "debug ospf6 zebra send\n"); | |
719 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
720 | vty_out(vty, "debug ospf6 zebra recv\n"); | |
721 | } | |
722 | return 0; | |
508e53e2 | 723 | } |
724 | ||
d62a17ae | 725 | void install_element_ospf6_debug_zebra(void) |
718e3744 | 726 | { |
d62a17ae | 727 | install_element(ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); |
728 | install_element(ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
729 | install_element(CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
730 | install_element(CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 731 | } |