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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" |
718e3744 | 42 | |
d62a17ae | 43 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_DISTANCE, "OSPF6 distance") |
baff583e | 44 | |
508e53e2 | 45 | unsigned char conf_debug_ospf6_zebra = 0; |
718e3744 | 46 | |
47 | /* information about zebra. */ | |
48 | struct zclient *zclient = NULL; | |
49 | ||
18a6dce6 | 50 | /* Router-id update message from zebra. */ |
d62a17ae | 51 | static int ospf6_router_id_update_zebra(int command, struct zclient *zclient, |
52 | zebra_size_t length, vrf_id_t vrf_id) | |
18a6dce6 | 53 | { |
d62a17ae | 54 | struct prefix router_id; |
55 | struct ospf6 *o = ospf6; | |
18a6dce6 | 56 | |
d62a17ae | 57 | zebra_router_id_update_read(zclient->ibuf, &router_id); |
18a6dce6 | 58 | |
78c6ba61 CS |
59 | om6->zebra_router_id = router_id.u.prefix4.s_addr; |
60 | ||
d62a17ae | 61 | if (o == NULL) |
62 | return 0; | |
c1ba9e8a | 63 | |
d6927cf3 | 64 | o->router_id_zebra = router_id.u.prefix4; |
78c6ba61 CS |
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 | } | |
d6927cf3 | 73 | |
78c6ba61 | 74 | ospf6_router_id_update(); |
18a6dce6 | 75 | |
d62a17ae | 76 | return 0; |
18a6dce6 | 77 | } |
78 | ||
718e3744 | 79 | /* redistribute function */ |
d62a17ae | 80 | void ospf6_zebra_redistribute(int type) |
718e3744 | 81 | { |
d62a17ae | 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); | |
7076bb2f | 85 | |
d62a17ae | 86 | if (zclient->sock > 0) |
87 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, | |
88 | AFI_IP6, type, 0, VRF_DEFAULT); | |
718e3744 | 89 | } |
90 | ||
d62a17ae | 91 | void ospf6_zebra_no_redistribute(int type) |
718e3744 | 92 | { |
d62a17ae | 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); | |
718e3744 | 99 | } |
100 | ||
718e3744 | 101 | /* Inteface addition message from zebra. */ |
d62a17ae | 102 | static int ospf6_zebra_if_add(int command, struct zclient *zclient, |
103 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 104 | { |
d62a17ae | 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; | |
718e3744 | 113 | } |
114 | ||
d62a17ae | 115 | static int ospf6_zebra_if_del(int command, struct zclient *zclient, |
116 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 117 | { |
d62a17ae | 118 | struct interface *ifp; |
718e3744 | 119 | |
d62a17ae | 120 | if (!(ifp = zebra_interface_state_read(zclient->ibuf, vrf_id))) |
121 | return 0; | |
d2fc8896 | 122 | |
d62a17ae | 123 | if (if_is_up(ifp)) |
124 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
125 | ifp->name); | |
d2fc8896 | 126 | |
d62a17ae | 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); | |
718e3744 | 130 | |
ff880b78 | 131 | if_set_index(ifp, IFINDEX_INTERNAL); |
d62a17ae | 132 | return 0; |
718e3744 | 133 | } |
134 | ||
d62a17ae | 135 | static int ospf6_zebra_if_state_update(int command, struct zclient *zclient, |
136 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 137 | { |
d62a17ae | 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; | |
718e3744 | 153 | } |
154 | ||
d62a17ae | 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) | |
718e3744 | 159 | { |
d62a17ae | 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; | |
718e3744 | 180 | } |
181 | ||
d62a17ae | 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) | |
718e3744 | 186 | { |
d62a17ae | 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 | } | |
718e3744 | 206 | |
d62a17ae | 207 | connected_free(c); |
718e3744 | 208 | |
d62a17ae | 209 | return 0; |
210 | } | |
718e3744 | 211 | |
74489921 RW |
212 | static int ospf6_zebra_read_route(int command, struct zclient *zclient, |
213 | zebra_size_t length, vrf_id_t vrf_id) | |
d62a17ae | 214 | { |
74489921 | 215 | struct zapi_route api; |
d62a17ae | 216 | unsigned long ifindex; |
d62a17ae | 217 | struct in6_addr *nexthop; |
218 | ||
219 | if (ospf6 == NULL) | |
220 | return 0; | |
221 | ||
74489921 RW |
222 | if (zapi_route_decode(zclient->ibuf, &api) < 0) |
223 | return -1; | |
d62a17ae | 224 | |
74489921 RW |
225 | /* we completely ignore srcdest routes for now. */ |
226 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
d62a17ae | 227 | return 0; |
228 | ||
74489921 RW |
229 | ifindex = api.nexthops[0].ifindex; |
230 | nexthop = &api.nexthops[0].gate.ipv6; | |
d62a17ae | 231 | |
232 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
233 | char prefixstr[PREFIX2STR_BUFFER], nexthopstr[128]; | |
74489921 RW |
234 | prefix2str((struct prefix *)&api.prefix, prefixstr, |
235 | sizeof(prefixstr)); | |
0af35d90 | 236 | inet_ntop(AF_INET6, nexthop, nexthopstr, sizeof(nexthopstr)); |
d62a17ae | 237 | |
238 | zlog_debug( | |
239 | "Zebra Receive route %s: %s %s nexthop %s ifindex %ld tag %" ROUTE_TAG_PRI, | |
74489921 RW |
240 | (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD ? "add" |
241 | : "delete"), | |
d62a17ae | 242 | zebra_route_string(api.type), prefixstr, nexthopstr, |
243 | ifindex, api.tag); | |
244 | } | |
718e3744 | 245 | |
74489921 RW |
246 | if (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD) |
247 | ospf6_asbr_redistribute_add(api.type, ifindex, &api.prefix, | |
d62a17ae | 248 | api.nexthop_num, nexthop, api.tag); |
249 | else | |
74489921 | 250 | ospf6_asbr_redistribute_remove(api.type, ifindex, &api.prefix); |
718e3744 | 251 | |
d62a17ae | 252 | return 0; |
718e3744 | 253 | } |
254 | ||
718e3744 | 255 | DEFUN (show_zebra, |
eefe02da DS |
256 | show_ospf6_zebra_cmd, |
257 | "show ipv6 ospf6 zebra", | |
718e3744 | 258 | SHOW_STR |
eefe02da DS |
259 | IPV6_STR |
260 | OSPF6_STR | |
41e7fb80 | 261 | ZEBRA_STR) |
718e3744 | 262 | { |
d62a17ae | 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"); | |
34b054ba | 270 | vty_out(vty, " fail: %d\n", zclient->fail); |
d62a17ae | 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; | |
718e3744 | 280 | } |
281 | ||
718e3744 | 282 | #define ADD 0 |
508e53e2 | 283 | #define REM 1 |
d62a17ae | 284 | static void ospf6_zebra_route_update(int type, struct ospf6_route *request) |
718e3744 | 285 | { |
5afa1c6b | 286 | struct zapi_route api; |
d62a17ae | 287 | char buf[PREFIX2STR_BUFFER]; |
288 | int nhcount; | |
d62a17ae | 289 | int ret = 0; |
5afa1c6b | 290 | struct prefix *dest; |
d62a17ae | 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 | ||
5afa1c6b | 338 | dest = &request->prefix; |
d62a17ae | 339 | |
5afa1c6b | 340 | memset(&api, 0, sizeof(api)); |
d62a17ae | 341 | api.vrf_id = VRF_DEFAULT; |
342 | api.type = ZEBRA_ROUTE_OSPF6; | |
d62a17ae | 343 | api.safi = SAFI_UNICAST; |
5afa1c6b | 344 | api.prefix = *dest; |
d62a17ae | 345 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); |
a74e593b RW |
346 | api.nexthop_num = MIN(nhcount, MULTIPATH_NUM); |
347 | ospf6_route_zebra_copy_nexthops(request, api.nexthops, api.nexthop_num); | |
d62a17ae | 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 | ||
d62a17ae | 356 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); |
5afa1c6b RW |
357 | api.distance = |
358 | ospf6_distance_apply((struct prefix_ipv6 *)dest, request); | |
d62a17ae | 359 | |
360 | if (type == REM) | |
5afa1c6b | 361 | ret = zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d62a17ae | 362 | else |
5afa1c6b | 363 | ret = zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d62a17ae | 364 | |
365 | if (ret < 0) | |
450971aa | 366 | flog_err(EC_LIB_ZAPI_SOCKET, |
1c50c1c0 QY |
367 | "zclient_route_send() %s failed: %s", |
368 | (type == REM ? "delete" : "add"), | |
369 | safe_strerror(errno)); | |
d62a17ae | 370 | |
d62a17ae | 371 | return; |
718e3744 | 372 | } |
373 | ||
d62a17ae | 374 | void ospf6_zebra_route_update_add(struct ospf6_route *request) |
718e3744 | 375 | { |
d62a17ae | 376 | ospf6_zebra_route_update(ADD, request); |
718e3744 | 377 | } |
378 | ||
d62a17ae | 379 | void ospf6_zebra_route_update_remove(struct ospf6_route *request) |
718e3744 | 380 | { |
d62a17ae | 381 | ospf6_zebra_route_update(REM, request); |
718e3744 | 382 | } |
383 | ||
d62a17ae | 384 | void ospf6_zebra_add_discard(struct ospf6_route *request) |
c3c0ac83 | 385 | { |
5afa1c6b | 386 | struct zapi_route api; |
d62a17ae | 387 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 388 | struct prefix *dest = &request->prefix; |
d62a17ae | 389 | |
d00061ea | 390 | if (!CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 391 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
392 | api.vrf_id = VRF_DEFAULT; |
393 | api.type = ZEBRA_ROUTE_OSPF6; | |
d00061ea | 394 | api.safi = SAFI_UNICAST; |
5afa1c6b | 395 | api.prefix = *dest; |
09a484dd | 396 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 397 | |
5afa1c6b | 398 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea RW |
399 | |
400 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
401 | zlog_debug("Zebra: Route add discard %s/%d", | |
5afa1c6b | 402 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
403 | INET6_ADDRSTRLEN), |
404 | dest->prefixlen); | |
405 | ||
406 | SET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
407 | } else { | |
d00061ea RW |
408 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
409 | zlog_debug( | |
410 | "Zebra: Blackhole route present already %s/%d", | |
5afa1c6b | 411 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
412 | INET6_ADDRSTRLEN), |
413 | dest->prefixlen); | |
c3c0ac83 | 414 | } |
c3c0ac83 DS |
415 | } |
416 | ||
d62a17ae | 417 | void ospf6_zebra_delete_discard(struct ospf6_route *request) |
c3c0ac83 | 418 | { |
5afa1c6b | 419 | struct zapi_route api; |
d62a17ae | 420 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 421 | struct prefix *dest = &request->prefix; |
d62a17ae | 422 | |
d00061ea | 423 | if (CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 424 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
425 | api.vrf_id = VRF_DEFAULT; |
426 | api.type = ZEBRA_ROUTE_OSPF6; | |
d00061ea | 427 | api.safi = SAFI_UNICAST; |
5afa1c6b | 428 | api.prefix = *dest; |
09a484dd | 429 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 430 | |
5afa1c6b | 431 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea RW |
432 | |
433 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
434 | zlog_debug("Zebra: Route delete discard %s/%d", | |
5afa1c6b | 435 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
436 | INET6_ADDRSTRLEN), |
437 | dest->prefixlen); | |
438 | ||
439 | UNSET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
440 | } else { | |
d00061ea RW |
441 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
442 | zlog_debug( | |
443 | "Zebra: Blackhole route already deleted %s/%d", | |
5afa1c6b | 444 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
445 | INET6_ADDRSTRLEN), |
446 | dest->prefixlen); | |
c3c0ac83 | 447 | } |
c3c0ac83 DS |
448 | } |
449 | ||
d62a17ae | 450 | static struct ospf6_distance *ospf6_distance_new(void) |
baff583e | 451 | { |
d62a17ae | 452 | return XCALLOC(MTYPE_OSPF6_DISTANCE, sizeof(struct ospf6_distance)); |
baff583e MZ |
453 | } |
454 | ||
d62a17ae | 455 | static void ospf6_distance_free(struct ospf6_distance *odistance) |
baff583e | 456 | { |
d62a17ae | 457 | XFREE(MTYPE_OSPF6_DISTANCE, odistance); |
baff583e MZ |
458 | } |
459 | ||
d62a17ae | 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) | |
baff583e | 463 | { |
d62a17ae | 464 | int ret; |
465 | struct prefix_ipv6 p; | |
d7c0a89a | 466 | uint8_t distance; |
d62a17ae | 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; | |
baff583e MZ |
500 | } |
501 | ||
d62a17ae | 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) | |
baff583e | 505 | { |
d62a17ae | 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; | |
baff583e MZ |
534 | } |
535 | ||
d62a17ae | 536 | void ospf6_distance_reset(struct ospf6 *o) |
baff583e | 537 | { |
d62a17ae | 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 | } | |
baff583e MZ |
549 | } |
550 | ||
d7c0a89a | 551 | uint8_t ospf6_distance_apply(struct prefix_ipv6 *p, struct ospf6_route * or) |
baff583e | 552 | { |
d62a17ae | 553 | struct ospf6 *o; |
baff583e | 554 | |
d62a17ae | 555 | o = ospf6; |
556 | if (o == NULL) | |
557 | return 0; | |
baff583e | 558 | |
d62a17ae | 559 | if (o->distance_intra) |
560 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
561 | return o->distance_intra; | |
baff583e | 562 | |
d62a17ae | 563 | if (o->distance_inter) |
564 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
565 | return o->distance_inter; | |
baff583e | 566 | |
d62a17ae | 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; | |
baff583e | 571 | |
d62a17ae | 572 | if (o->distance_all) |
573 | return o->distance_all; | |
baff583e | 574 | |
d62a17ae | 575 | return 0; |
baff583e MZ |
576 | } |
577 | ||
d62a17ae | 578 | static void ospf6_zebra_connected(struct zclient *zclient) |
7076bb2f | 579 | { |
d62a17ae | 580 | /* Send the client registration */ |
581 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 582 | |
d62a17ae | 583 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
584 | } |
585 | ||
d62a17ae | 586 | void ospf6_zebra_init(struct thread_master *master) |
718e3744 | 587 | { |
d62a17ae | 588 | /* Allocate zebra structure. */ |
26f63a1e | 589 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 590 | zclient_init(zclient, ZEBRA_ROUTE_OSPF6, 0, &ospf6d_privs); |
d62a17ae | 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; | |
74489921 RW |
600 | zclient->redistribute_route_add = ospf6_zebra_read_route; |
601 | zclient->redistribute_route_del = ospf6_zebra_read_route; | |
d62a17ae | 602 | |
d62a17ae | 603 | /* Install command element for zebra node. */ |
604 | install_element(VIEW_NODE, &show_ospf6_zebra_cmd); | |
718e3744 | 605 | } |
606 | ||
508e53e2 | 607 | /* Debug */ |
6b0655a2 | 608 | |
508e53e2 | 609 | DEFUN (debug_ospf6_zebra_sendrecv, |
610 | debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 611 | "debug ospf6 zebra [<send|recv>]", |
508e53e2 | 612 | DEBUG_STR |
613 | OSPF6_STR | |
614 | "Debug connection between zebra\n" | |
615 | "Debug Sending zebra\n" | |
616 | "Debug Receiving zebra\n" | |
617 | ) | |
618 | { | |
d62a17ae | 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; | |
508e53e2 | 632 | } |
633 | ||
508e53e2 | 634 | DEFUN (no_debug_ospf6_zebra_sendrecv, |
635 | no_debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 636 | "no debug ospf6 zebra [<send|recv>]", |
508e53e2 | 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 | { | |
d62a17ae | 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; | |
508e53e2 | 658 | } |
659 | ||
508e53e2 | 660 | |
d62a17ae | 661 | int config_write_ospf6_debug_zebra(struct vty *vty) |
508e53e2 | 662 | { |
d62a17ae | 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; | |
508e53e2 | 672 | } |
673 | ||
d62a17ae | 674 | void install_element_ospf6_debug_zebra(void) |
718e3744 | 675 | { |
d62a17ae | 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); | |
718e3744 | 680 | } |