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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. */ |
121f9dee | 51 | static int ospf6_router_id_update_zebra(ZAPI_CALLBACK_ARGS) |
18a6dce6 | 52 | { |
d62a17ae | 53 | struct prefix router_id; |
54 | struct ospf6 *o = ospf6; | |
18a6dce6 | 55 | |
d62a17ae | 56 | zebra_router_id_update_read(zclient->ibuf, &router_id); |
18a6dce6 | 57 | |
78c6ba61 CS |
58 | om6->zebra_router_id = router_id.u.prefix4.s_addr; |
59 | ||
d62a17ae | 60 | if (o == NULL) |
61 | return 0; | |
c1ba9e8a | 62 | |
d6927cf3 | 63 | o->router_id_zebra = router_id.u.prefix4; |
78c6ba61 CS |
64 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { |
65 | char buf[INET_ADDRSTRLEN]; | |
66 | ||
67 | zlog_debug("%s: zebra router-id %s update", | |
68 | __PRETTY_FUNCTION__, | |
69 | inet_ntop(AF_INET, &router_id.u.prefix4, | |
70 | buf, INET_ADDRSTRLEN)); | |
71 | } | |
d6927cf3 | 72 | |
78c6ba61 | 73 | ospf6_router_id_update(); |
18a6dce6 | 74 | |
d62a17ae | 75 | return 0; |
18a6dce6 | 76 | } |
77 | ||
718e3744 | 78 | /* redistribute function */ |
d62a17ae | 79 | void ospf6_zebra_redistribute(int type) |
718e3744 | 80 | { |
d62a17ae | 81 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
82 | return; | |
83 | vrf_bitmap_set(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
7076bb2f | 84 | |
d62a17ae | 85 | if (zclient->sock > 0) |
86 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, | |
87 | AFI_IP6, type, 0, VRF_DEFAULT); | |
718e3744 | 88 | } |
89 | ||
d62a17ae | 90 | void ospf6_zebra_no_redistribute(int type) |
718e3744 | 91 | { |
d62a17ae | 92 | if (!vrf_bitmap_check(zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
93 | return; | |
94 | vrf_bitmap_unset(zclient->redist[AFI_IP6][type], VRF_DEFAULT); | |
95 | if (zclient->sock > 0) | |
96 | zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient, | |
97 | AFI_IP6, type, 0, VRF_DEFAULT); | |
718e3744 | 98 | } |
99 | ||
718e3744 | 100 | /* Inteface addition message from zebra. */ |
121f9dee | 101 | static int ospf6_zebra_if_add(ZAPI_CALLBACK_ARGS) |
718e3744 | 102 | { |
d62a17ae | 103 | struct interface *ifp; |
104 | ||
105 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); | |
106 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
107 | zlog_debug("Zebra Interface add: %s index %d mtu %d", ifp->name, | |
108 | ifp->ifindex, ifp->mtu6); | |
109 | ospf6_interface_if_add(ifp); | |
110 | return 0; | |
718e3744 | 111 | } |
112 | ||
121f9dee | 113 | static int ospf6_zebra_if_del(ZAPI_CALLBACK_ARGS) |
718e3744 | 114 | { |
d62a17ae | 115 | struct interface *ifp; |
718e3744 | 116 | |
d62a17ae | 117 | if (!(ifp = zebra_interface_state_read(zclient->ibuf, vrf_id))) |
118 | return 0; | |
d2fc8896 | 119 | |
d62a17ae | 120 | if (if_is_up(ifp)) |
121 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
122 | ifp->name); | |
d2fc8896 | 123 | |
d62a17ae | 124 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) |
125 | zlog_debug("Zebra Interface delete: %s index %d mtu %d", | |
126 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 127 | |
ff880b78 | 128 | if_set_index(ifp, IFINDEX_INTERNAL); |
d62a17ae | 129 | return 0; |
718e3744 | 130 | } |
131 | ||
121f9dee | 132 | static int ospf6_zebra_if_state_update(ZAPI_CALLBACK_ARGS) |
718e3744 | 133 | { |
d62a17ae | 134 | struct interface *ifp; |
135 | ||
136 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); | |
137 | if (ifp == NULL) | |
138 | return 0; | |
139 | ||
140 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
141 | zlog_debug( | |
142 | "Zebra Interface state change: " | |
143 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", | |
144 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
145 | ifp->metric, ifp->mtu6, ifp->bandwidth); | |
146 | ||
147 | ospf6_interface_state_update(ifp); | |
148 | return 0; | |
718e3744 | 149 | } |
150 | ||
121f9dee | 151 | static int ospf6_zebra_if_address_update_add(ZAPI_CALLBACK_ARGS) |
718e3744 | 152 | { |
d62a17ae | 153 | struct connected *c; |
154 | char buf[128]; | |
155 | ||
156 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_ADD, | |
157 | zclient->ibuf, vrf_id); | |
158 | if (c == NULL) | |
159 | return 0; | |
160 | ||
161 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
162 | zlog_debug("Zebra Interface address add: %s %5s %s/%d", | |
163 | c->ifp->name, prefix_family_str(c->address), | |
164 | inet_ntop(c->address->family, &c->address->u.prefix, | |
165 | buf, sizeof(buf)), | |
166 | c->address->prefixlen); | |
167 | ||
168 | if (c->address->family == AF_INET6) { | |
169 | ospf6_interface_state_update(c->ifp); | |
170 | ospf6_interface_connected_route_update(c->ifp); | |
171 | } | |
172 | return 0; | |
718e3744 | 173 | } |
174 | ||
121f9dee | 175 | static int ospf6_zebra_if_address_update_delete(ZAPI_CALLBACK_ARGS) |
718e3744 | 176 | { |
d62a17ae | 177 | struct connected *c; |
178 | char buf[128]; | |
179 | ||
180 | c = zebra_interface_address_read(ZEBRA_INTERFACE_ADDRESS_DELETE, | |
181 | zclient->ibuf, vrf_id); | |
182 | if (c == NULL) | |
183 | return 0; | |
184 | ||
185 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
186 | zlog_debug("Zebra Interface address delete: %s %5s %s/%d", | |
187 | c->ifp->name, prefix_family_str(c->address), | |
188 | inet_ntop(c->address->family, &c->address->u.prefix, | |
189 | buf, sizeof(buf)), | |
190 | c->address->prefixlen); | |
191 | ||
192 | if (c->address->family == AF_INET6) { | |
193 | ospf6_interface_connected_route_update(c->ifp); | |
194 | ospf6_interface_state_update(c->ifp); | |
195 | } | |
718e3744 | 196 | |
d62a17ae | 197 | connected_free(c); |
718e3744 | 198 | |
d62a17ae | 199 | return 0; |
200 | } | |
718e3744 | 201 | |
121f9dee | 202 | static int ospf6_zebra_read_route(ZAPI_CALLBACK_ARGS) |
d62a17ae | 203 | { |
74489921 | 204 | struct zapi_route api; |
d62a17ae | 205 | unsigned long ifindex; |
d62a17ae | 206 | struct in6_addr *nexthop; |
207 | ||
208 | if (ospf6 == NULL) | |
209 | return 0; | |
210 | ||
74489921 RW |
211 | if (zapi_route_decode(zclient->ibuf, &api) < 0) |
212 | return -1; | |
d62a17ae | 213 | |
74489921 RW |
214 | /* we completely ignore srcdest routes for now. */ |
215 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_SRCPFX)) | |
d62a17ae | 216 | return 0; |
217 | ||
9fb2b879 DS |
218 | if (IN6_IS_ADDR_LINKLOCAL(&api.prefix.u.prefix6)) |
219 | return 0; | |
220 | ||
74489921 RW |
221 | ifindex = api.nexthops[0].ifindex; |
222 | nexthop = &api.nexthops[0].gate.ipv6; | |
d62a17ae | 223 | |
224 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) { | |
225 | char prefixstr[PREFIX2STR_BUFFER], nexthopstr[128]; | |
74489921 RW |
226 | prefix2str((struct prefix *)&api.prefix, prefixstr, |
227 | sizeof(prefixstr)); | |
0af35d90 | 228 | inet_ntop(AF_INET6, nexthop, nexthopstr, sizeof(nexthopstr)); |
d62a17ae | 229 | |
230 | zlog_debug( | |
231 | "Zebra Receive route %s: %s %s nexthop %s ifindex %ld tag %" ROUTE_TAG_PRI, | |
121f9dee QY |
232 | (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD ? "add" |
233 | : "delete"), | |
d62a17ae | 234 | zebra_route_string(api.type), prefixstr, nexthopstr, |
235 | ifindex, api.tag); | |
236 | } | |
718e3744 | 237 | |
121f9dee | 238 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) |
74489921 | 239 | ospf6_asbr_redistribute_add(api.type, ifindex, &api.prefix, |
d62a17ae | 240 | api.nexthop_num, nexthop, api.tag); |
241 | else | |
74489921 | 242 | ospf6_asbr_redistribute_remove(api.type, ifindex, &api.prefix); |
718e3744 | 243 | |
d62a17ae | 244 | return 0; |
718e3744 | 245 | } |
246 | ||
718e3744 | 247 | DEFUN (show_zebra, |
eefe02da DS |
248 | show_ospf6_zebra_cmd, |
249 | "show ipv6 ospf6 zebra", | |
718e3744 | 250 | SHOW_STR |
eefe02da DS |
251 | IPV6_STR |
252 | OSPF6_STR | |
41e7fb80 | 253 | ZEBRA_STR) |
718e3744 | 254 | { |
d62a17ae | 255 | int i; |
256 | if (zclient == NULL) { | |
257 | vty_out(vty, "Not connected to zebra\n"); | |
258 | return CMD_SUCCESS; | |
259 | } | |
260 | ||
261 | vty_out(vty, "Zebra Infomation\n"); | |
34b054ba | 262 | vty_out(vty, " fail: %d\n", zclient->fail); |
d62a17ae | 263 | vty_out(vty, " redistribute default: %d\n", |
49db7a7b RW |
264 | vrf_bitmap_check(zclient->default_information[AFI_IP6], |
265 | VRF_DEFAULT)); | |
d62a17ae | 266 | vty_out(vty, " redistribute:"); |
267 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) { | |
268 | if (vrf_bitmap_check(zclient->redist[AFI_IP6][i], VRF_DEFAULT)) | |
269 | vty_out(vty, " %s", zebra_route_string(i)); | |
270 | } | |
271 | vty_out(vty, "\n"); | |
272 | return CMD_SUCCESS; | |
718e3744 | 273 | } |
274 | ||
718e3744 | 275 | #define ADD 0 |
508e53e2 | 276 | #define REM 1 |
d62a17ae | 277 | static void ospf6_zebra_route_update(int type, struct ospf6_route *request) |
718e3744 | 278 | { |
5afa1c6b | 279 | struct zapi_route api; |
d62a17ae | 280 | char buf[PREFIX2STR_BUFFER]; |
281 | int nhcount; | |
d62a17ae | 282 | int ret = 0; |
5afa1c6b | 283 | struct prefix *dest; |
d62a17ae | 284 | |
285 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) { | |
286 | prefix2str(&request->prefix, buf, sizeof(buf)); | |
287 | zlog_debug("Send %s route: %s", | |
288 | (type == REM ? "remove" : "add"), buf); | |
289 | } | |
290 | ||
291 | if (zclient->sock < 0) { | |
292 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
293 | zlog_debug(" Not connected to Zebra"); | |
294 | return; | |
295 | } | |
296 | ||
297 | if (request->path.origin.adv_router == ospf6->router_id | |
298 | && (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
299 | || request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) { | |
300 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
301 | zlog_debug(" Ignore self-originated external route"); | |
302 | return; | |
303 | } | |
304 | ||
305 | /* If removing is the best path and if there's another path, | |
306 | treat this request as add the secondary path */ | |
307 | if (type == REM && ospf6_route_is_best(request) && request->next | |
308 | && ospf6_route_is_same(request, request->next)) { | |
309 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
310 | zlog_debug( | |
311 | " Best-path removal resulted Sencondary addition"); | |
312 | type = ADD; | |
313 | request = request->next; | |
314 | } | |
315 | ||
316 | /* Only the best path will be sent to zebra. */ | |
317 | if (!ospf6_route_is_best(request)) { | |
318 | /* this is not preferred best route, ignore */ | |
319 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
320 | zlog_debug(" Ignore non-best route"); | |
321 | return; | |
322 | } | |
323 | ||
324 | nhcount = ospf6_route_num_nexthops(request); | |
325 | if (nhcount == 0) { | |
326 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
327 | zlog_debug(" No nexthop, ignore"); | |
328 | return; | |
329 | } | |
330 | ||
5afa1c6b | 331 | dest = &request->prefix; |
d62a17ae | 332 | |
5afa1c6b | 333 | memset(&api, 0, sizeof(api)); |
d62a17ae | 334 | api.vrf_id = VRF_DEFAULT; |
335 | api.type = ZEBRA_ROUTE_OSPF6; | |
d62a17ae | 336 | api.safi = SAFI_UNICAST; |
5afa1c6b | 337 | api.prefix = *dest; |
d62a17ae | 338 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); |
a74e593b RW |
339 | api.nexthop_num = MIN(nhcount, MULTIPATH_NUM); |
340 | ospf6_route_zebra_copy_nexthops(request, api.nexthops, api.nexthop_num); | |
d62a17ae | 341 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); |
342 | api.metric = (request->path.metric_type == 2 ? request->path.u.cost_e2 | |
343 | : request->path.cost); | |
344 | if (request->path.tag) { | |
345 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
346 | api.tag = request->path.tag; | |
347 | } | |
348 | ||
d62a17ae | 349 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); |
5afa1c6b RW |
350 | api.distance = |
351 | ospf6_distance_apply((struct prefix_ipv6 *)dest, request); | |
d62a17ae | 352 | |
353 | if (type == REM) | |
5afa1c6b | 354 | ret = zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d62a17ae | 355 | else |
5afa1c6b | 356 | ret = zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d62a17ae | 357 | |
358 | if (ret < 0) | |
450971aa | 359 | flog_err(EC_LIB_ZAPI_SOCKET, |
1c50c1c0 QY |
360 | "zclient_route_send() %s failed: %s", |
361 | (type == REM ? "delete" : "add"), | |
362 | safe_strerror(errno)); | |
d62a17ae | 363 | |
d62a17ae | 364 | return; |
718e3744 | 365 | } |
366 | ||
d62a17ae | 367 | void ospf6_zebra_route_update_add(struct ospf6_route *request) |
718e3744 | 368 | { |
d62a17ae | 369 | ospf6_zebra_route_update(ADD, request); |
718e3744 | 370 | } |
371 | ||
d62a17ae | 372 | void ospf6_zebra_route_update_remove(struct ospf6_route *request) |
718e3744 | 373 | { |
d62a17ae | 374 | ospf6_zebra_route_update(REM, request); |
718e3744 | 375 | } |
376 | ||
d62a17ae | 377 | void ospf6_zebra_add_discard(struct ospf6_route *request) |
c3c0ac83 | 378 | { |
5afa1c6b | 379 | struct zapi_route api; |
d62a17ae | 380 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 381 | struct prefix *dest = &request->prefix; |
d62a17ae | 382 | |
d00061ea | 383 | if (!CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 384 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
385 | api.vrf_id = VRF_DEFAULT; |
386 | api.type = ZEBRA_ROUTE_OSPF6; | |
d00061ea | 387 | api.safi = SAFI_UNICAST; |
5afa1c6b | 388 | api.prefix = *dest; |
09a484dd | 389 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 390 | |
5afa1c6b | 391 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea RW |
392 | |
393 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
394 | zlog_debug("Zebra: Route add discard %s/%d", | |
5afa1c6b | 395 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
396 | INET6_ADDRSTRLEN), |
397 | dest->prefixlen); | |
398 | ||
399 | SET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
400 | } else { | |
d00061ea RW |
401 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
402 | zlog_debug( | |
403 | "Zebra: Blackhole route present already %s/%d", | |
5afa1c6b | 404 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
405 | INET6_ADDRSTRLEN), |
406 | dest->prefixlen); | |
c3c0ac83 | 407 | } |
c3c0ac83 DS |
408 | } |
409 | ||
d62a17ae | 410 | void ospf6_zebra_delete_discard(struct ospf6_route *request) |
c3c0ac83 | 411 | { |
5afa1c6b | 412 | struct zapi_route api; |
d62a17ae | 413 | char buf[INET6_ADDRSTRLEN]; |
5afa1c6b | 414 | struct prefix *dest = &request->prefix; |
d62a17ae | 415 | |
d00061ea | 416 | if (CHECK_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) { |
5afa1c6b | 417 | memset(&api, 0, sizeof(api)); |
d00061ea RW |
418 | api.vrf_id = VRF_DEFAULT; |
419 | api.type = ZEBRA_ROUTE_OSPF6; | |
d00061ea | 420 | api.safi = SAFI_UNICAST; |
5afa1c6b | 421 | api.prefix = *dest; |
09a484dd | 422 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 423 | |
5afa1c6b | 424 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea RW |
425 | |
426 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
427 | zlog_debug("Zebra: Route delete discard %s/%d", | |
5afa1c6b | 428 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
429 | INET6_ADDRSTRLEN), |
430 | dest->prefixlen); | |
431 | ||
432 | UNSET_FLAG(request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
433 | } else { | |
d00061ea RW |
434 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) |
435 | zlog_debug( | |
436 | "Zebra: Blackhole route already deleted %s/%d", | |
5afa1c6b | 437 | inet_ntop(AF_INET6, &dest->u.prefix6, buf, |
d00061ea RW |
438 | INET6_ADDRSTRLEN), |
439 | dest->prefixlen); | |
c3c0ac83 | 440 | } |
c3c0ac83 DS |
441 | } |
442 | ||
d62a17ae | 443 | static struct ospf6_distance *ospf6_distance_new(void) |
baff583e | 444 | { |
d62a17ae | 445 | return XCALLOC(MTYPE_OSPF6_DISTANCE, sizeof(struct ospf6_distance)); |
baff583e MZ |
446 | } |
447 | ||
d62a17ae | 448 | static void ospf6_distance_free(struct ospf6_distance *odistance) |
baff583e | 449 | { |
d62a17ae | 450 | XFREE(MTYPE_OSPF6_DISTANCE, odistance); |
baff583e MZ |
451 | } |
452 | ||
d62a17ae | 453 | int ospf6_distance_set(struct vty *vty, struct ospf6 *o, |
454 | const char *distance_str, const char *ip_str, | |
455 | const char *access_list_str) | |
baff583e | 456 | { |
d62a17ae | 457 | int ret; |
458 | struct prefix_ipv6 p; | |
d7c0a89a | 459 | uint8_t distance; |
d62a17ae | 460 | struct route_node *rn; |
461 | struct ospf6_distance *odistance; | |
462 | ||
463 | ret = str2prefix_ipv6(ip_str, &p); | |
464 | if (ret == 0) { | |
465 | vty_out(vty, "Malformed prefix\n"); | |
466 | return CMD_WARNING_CONFIG_FAILED; | |
467 | } | |
468 | ||
469 | distance = atoi(distance_str); | |
470 | ||
471 | /* Get OSPF6 distance node. */ | |
472 | rn = route_node_get(o->distance_table, (struct prefix *)&p); | |
473 | if (rn->info) { | |
474 | odistance = rn->info; | |
475 | route_unlock_node(rn); | |
476 | } else { | |
477 | odistance = ospf6_distance_new(); | |
478 | rn->info = odistance; | |
479 | } | |
480 | ||
481 | /* Set distance value. */ | |
482 | odistance->distance = distance; | |
483 | ||
484 | /* Reset access-list configuration. */ | |
485 | if (odistance->access_list) { | |
486 | free(odistance->access_list); | |
487 | odistance->access_list = NULL; | |
488 | } | |
489 | if (access_list_str) | |
490 | odistance->access_list = strdup(access_list_str); | |
491 | ||
492 | return CMD_SUCCESS; | |
baff583e MZ |
493 | } |
494 | ||
d62a17ae | 495 | int ospf6_distance_unset(struct vty *vty, struct ospf6 *o, |
496 | const char *distance_str, const char *ip_str, | |
497 | const char *access_list_str) | |
baff583e | 498 | { |
d62a17ae | 499 | int ret; |
500 | struct prefix_ipv6 p; | |
501 | struct route_node *rn; | |
502 | struct ospf6_distance *odistance; | |
503 | ||
504 | ret = str2prefix_ipv6(ip_str, &p); | |
505 | if (ret == 0) { | |
506 | vty_out(vty, "Malformed prefix\n"); | |
507 | return CMD_WARNING_CONFIG_FAILED; | |
508 | } | |
509 | ||
510 | rn = route_node_lookup(o->distance_table, (struct prefix *)&p); | |
511 | if (!rn) { | |
512 | vty_out(vty, "Cant't find specified prefix\n"); | |
513 | return CMD_WARNING_CONFIG_FAILED; | |
514 | } | |
515 | ||
516 | odistance = rn->info; | |
517 | ||
518 | if (odistance->access_list) | |
519 | free(odistance->access_list); | |
520 | ospf6_distance_free(odistance); | |
521 | ||
522 | rn->info = NULL; | |
523 | route_unlock_node(rn); | |
524 | route_unlock_node(rn); | |
525 | ||
526 | return CMD_SUCCESS; | |
baff583e MZ |
527 | } |
528 | ||
d62a17ae | 529 | void ospf6_distance_reset(struct ospf6 *o) |
baff583e | 530 | { |
d62a17ae | 531 | struct route_node *rn; |
532 | struct ospf6_distance *odistance; | |
533 | ||
534 | for (rn = route_top(o->distance_table); rn; rn = route_next(rn)) | |
535 | if ((odistance = rn->info) != NULL) { | |
536 | if (odistance->access_list) | |
537 | free(odistance->access_list); | |
538 | ospf6_distance_free(odistance); | |
539 | rn->info = NULL; | |
540 | route_unlock_node(rn); | |
541 | } | |
baff583e MZ |
542 | } |
543 | ||
d7c0a89a | 544 | uint8_t ospf6_distance_apply(struct prefix_ipv6 *p, struct ospf6_route * or) |
baff583e | 545 | { |
d62a17ae | 546 | struct ospf6 *o; |
baff583e | 547 | |
d62a17ae | 548 | o = ospf6; |
549 | if (o == NULL) | |
550 | return 0; | |
baff583e | 551 | |
d62a17ae | 552 | if (o->distance_intra) |
553 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
554 | return o->distance_intra; | |
baff583e | 555 | |
d62a17ae | 556 | if (o->distance_inter) |
557 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
558 | return o->distance_inter; | |
baff583e | 559 | |
d62a17ae | 560 | if (o->distance_external) |
561 | if (or->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
562 | or->path.type == OSPF6_PATH_TYPE_EXTERNAL2) | |
563 | return o->distance_external; | |
baff583e | 564 | |
d62a17ae | 565 | if (o->distance_all) |
566 | return o->distance_all; | |
baff583e | 567 | |
d62a17ae | 568 | return 0; |
baff583e MZ |
569 | } |
570 | ||
d62a17ae | 571 | static void ospf6_zebra_connected(struct zclient *zclient) |
7076bb2f | 572 | { |
d62a17ae | 573 | /* Send the client registration */ |
574 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 575 | |
d62a17ae | 576 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
577 | } |
578 | ||
d62a17ae | 579 | void ospf6_zebra_init(struct thread_master *master) |
718e3744 | 580 | { |
d62a17ae | 581 | /* Allocate zebra structure. */ |
26f63a1e | 582 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 583 | zclient_init(zclient, ZEBRA_ROUTE_OSPF6, 0, &ospf6d_privs); |
d62a17ae | 584 | zclient->zebra_connected = ospf6_zebra_connected; |
585 | zclient->router_id_update = ospf6_router_id_update_zebra; | |
586 | zclient->interface_add = ospf6_zebra_if_add; | |
587 | zclient->interface_delete = ospf6_zebra_if_del; | |
588 | zclient->interface_up = ospf6_zebra_if_state_update; | |
589 | zclient->interface_down = ospf6_zebra_if_state_update; | |
590 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
591 | zclient->interface_address_delete = | |
592 | ospf6_zebra_if_address_update_delete; | |
74489921 RW |
593 | zclient->redistribute_route_add = ospf6_zebra_read_route; |
594 | zclient->redistribute_route_del = ospf6_zebra_read_route; | |
d62a17ae | 595 | |
d62a17ae | 596 | /* Install command element for zebra node. */ |
597 | install_element(VIEW_NODE, &show_ospf6_zebra_cmd); | |
718e3744 | 598 | } |
599 | ||
508e53e2 | 600 | /* Debug */ |
6b0655a2 | 601 | |
508e53e2 | 602 | DEFUN (debug_ospf6_zebra_sendrecv, |
603 | debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 604 | "debug ospf6 zebra [<send|recv>]", |
508e53e2 | 605 | DEBUG_STR |
606 | OSPF6_STR | |
607 | "Debug connection between zebra\n" | |
608 | "Debug Sending zebra\n" | |
609 | "Debug Receiving zebra\n" | |
610 | ) | |
611 | { | |
d62a17ae | 612 | int idx_send_recv = 3; |
613 | unsigned char level = 0; | |
614 | ||
615 | if (argc == 4) { | |
616 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
617 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
618 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
619 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
620 | } else | |
621 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
622 | ||
623 | OSPF6_DEBUG_ZEBRA_ON(level); | |
624 | return CMD_SUCCESS; | |
508e53e2 | 625 | } |
626 | ||
508e53e2 | 627 | DEFUN (no_debug_ospf6_zebra_sendrecv, |
628 | no_debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 629 | "no debug ospf6 zebra [<send|recv>]", |
508e53e2 | 630 | NO_STR |
631 | DEBUG_STR | |
632 | OSPF6_STR | |
633 | "Debug connection between zebra\n" | |
634 | "Debug Sending zebra\n" | |
635 | "Debug Receiving zebra\n" | |
636 | ) | |
637 | { | |
d62a17ae | 638 | int idx_send_recv = 4; |
639 | unsigned char level = 0; | |
640 | ||
641 | if (argc == 5) { | |
642 | if (strmatch(argv[idx_send_recv]->text, "send")) | |
643 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
644 | else if (strmatch(argv[idx_send_recv]->text, "recv")) | |
645 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
646 | } else | |
647 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
648 | ||
649 | OSPF6_DEBUG_ZEBRA_OFF(level); | |
650 | return CMD_SUCCESS; | |
508e53e2 | 651 | } |
652 | ||
508e53e2 | 653 | |
d62a17ae | 654 | int config_write_ospf6_debug_zebra(struct vty *vty) |
508e53e2 | 655 | { |
d62a17ae | 656 | if (IS_OSPF6_DEBUG_ZEBRA(SEND) && IS_OSPF6_DEBUG_ZEBRA(RECV)) |
657 | vty_out(vty, "debug ospf6 zebra\n"); | |
658 | else { | |
659 | if (IS_OSPF6_DEBUG_ZEBRA(SEND)) | |
660 | vty_out(vty, "debug ospf6 zebra send\n"); | |
661 | if (IS_OSPF6_DEBUG_ZEBRA(RECV)) | |
662 | vty_out(vty, "debug ospf6 zebra recv\n"); | |
663 | } | |
664 | return 0; | |
508e53e2 | 665 | } |
666 | ||
d62a17ae | 667 | void install_element_ospf6_debug_zebra(void) |
718e3744 | 668 | { |
d62a17ae | 669 | install_element(ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); |
670 | install_element(ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
671 | install_element(CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
672 | install_element(CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 673 | } |