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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * Zebra connect library for OSPFd | |
3 | * Copyright (C) 1997, 98, 99, 2000 Kunihiro Ishiguro, Toshiaki Takada | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "thread.h" | |
25 | #include "command.h" | |
26 | #include "network.h" | |
27 | #include "prefix.h" | |
28 | #include "routemap.h" | |
29 | #include "table.h" | |
30 | #include "stream.h" | |
31 | #include "memory.h" | |
32 | #include "zclient.h" | |
33 | #include "filter.h" | |
dd669bb0 | 34 | #include "plist.h" |
718e3744 | 35 | #include "log.h" |
2376c3f2 | 36 | #include "lib/bfd.h" |
5b30316e | 37 | #include "nexthop.h" |
718e3744 | 38 | |
39 | #include "ospfd/ospfd.h" | |
40 | #include "ospfd/ospf_interface.h" | |
41 | #include "ospfd/ospf_ism.h" | |
42 | #include "ospfd/ospf_asbr.h" | |
43 | #include "ospfd/ospf_asbr.h" | |
44 | #include "ospfd/ospf_abr.h" | |
45 | #include "ospfd/ospf_lsa.h" | |
46 | #include "ospfd/ospf_dump.h" | |
47 | #include "ospfd/ospf_route.h" | |
d5a5c8f0 DS |
48 | #include "ospfd/ospf_lsdb.h" |
49 | #include "ospfd/ospf_neighbor.h" | |
50 | #include "ospfd/ospf_nsm.h" | |
718e3744 | 51 | #include "ospfd/ospf_zebra.h" |
16f1b9ee | 52 | #include "ospfd/ospf_te.h" |
718e3744 | 53 | |
dfac5d39 CS |
54 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_EXTERNAL, "OSPF External route table") |
55 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_REDISTRIBUTE, "OSPF Redistriute") | |
b5a8894d | 56 | DEFINE_MTYPE_STATIC(OSPFD, OSPF_DIST_ARGS, "OSPF Distribute arguments") |
dfac5d39 | 57 | |
d62a17ae | 58 | DEFINE_HOOK(ospf_if_update, (struct interface * ifp), (ifp)) |
59 | DEFINE_HOOK(ospf_if_delete, (struct interface * ifp), (ifp)) | |
3012671f | 60 | |
718e3744 | 61 | /* Zebra structure to hold current status. */ |
62 | struct zclient *zclient = NULL; | |
63 | ||
64 | /* For registering threads. */ | |
65 | extern struct thread_master *master; | |
18a6dce6 | 66 | |
67 | /* Router-id update message from zebra. */ | |
d62a17ae | 68 | static int ospf_router_id_update_zebra(int command, struct zclient *zclient, |
69 | zebra_size_t length, vrf_id_t vrf_id) | |
18a6dce6 | 70 | { |
b5a8894d | 71 | struct ospf *ospf = NULL; |
d62a17ae | 72 | struct prefix router_id; |
73 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
74 | ||
75 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
76 | char buf[PREFIX2STR_BUFFER]; | |
77 | prefix2str(&router_id, buf, sizeof(buf)); | |
996c9314 LB |
78 | zlog_debug("Zebra rcvd: router id update %s vrf %s id %u", buf, |
79 | ospf_vrf_id_to_name(vrf_id), vrf_id); | |
d62a17ae | 80 | } |
81 | ||
b5a8894d | 82 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
d62a17ae | 83 | |
6021c6c0 CS |
84 | if (ospf != NULL) { |
85 | ospf->router_id_zebra = router_id.u.prefix4; | |
d62a17ae | 86 | ospf_router_id_update(ospf); |
6021c6c0 | 87 | } else { |
b5a8894d CS |
88 | if (IS_DEBUG_OSPF_EVENT) { |
89 | char buf[PREFIX2STR_BUFFER]; | |
90 | ||
91 | prefix2str(&router_id, buf, sizeof(buf)); | |
996c9314 LB |
92 | zlog_debug( |
93 | "%s: ospf instance not found for vrf %s id %u router_id %s", | |
94 | __PRETTY_FUNCTION__, | |
95 | ospf_vrf_id_to_name(vrf_id), vrf_id, buf); | |
b5a8894d CS |
96 | } |
97 | } | |
d62a17ae | 98 | return 0; |
18a6dce6 | 99 | } |
718e3744 | 100 | |
101 | /* Inteface addition message from zebra. */ | |
d62a17ae | 102 | static int ospf_interface_add(int command, struct zclient *zclient, |
103 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 104 | { |
b5a8894d CS |
105 | struct interface *ifp = NULL; |
106 | struct ospf *ospf = NULL; | |
718e3744 | 107 | |
d62a17ae | 108 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); |
43b8d1d8 CS |
109 | if (ifp == NULL) |
110 | return 0; | |
718e3744 | 111 | |
d62a17ae | 112 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
113 | zlog_debug( | |
b5a8894d CS |
114 | "Zebra: interface add %s vrf %s[%u] index %d flags %llx metric %d mtu %d", |
115 | ifp->name, ospf_vrf_id_to_name(ifp->vrf_id), | |
116 | ifp->vrf_id, ifp->ifindex, | |
d62a17ae | 117 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu); |
718e3744 | 118 | |
d62a17ae | 119 | assert(ifp->info); |
f2c80652 | 120 | |
bcfdc787 QY |
121 | if (IF_DEF_PARAMS(ifp) |
122 | && !OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(ifp), type)) { | |
d62a17ae | 123 | SET_IF_PARAM(IF_DEF_PARAMS(ifp), type); |
124 | IF_DEF_PARAMS(ifp)->type = ospf_default_iftype(ifp); | |
125 | } | |
718e3744 | 126 | |
b5a8894d | 127 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
43b8d1d8 CS |
128 | if (!ospf) |
129 | return 0; | |
b5a8894d CS |
130 | |
131 | ospf_if_update(ospf, ifp); | |
718e3744 | 132 | |
d62a17ae | 133 | hook_call(ospf_if_update, ifp); |
718e3744 | 134 | |
d62a17ae | 135 | return 0; |
718e3744 | 136 | } |
137 | ||
d62a17ae | 138 | static int ospf_interface_delete(int command, struct zclient *zclient, |
139 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 140 | { |
d62a17ae | 141 | struct interface *ifp; |
142 | struct stream *s; | |
143 | struct route_node *rn; | |
718e3744 | 144 | |
d62a17ae | 145 | s = zclient->ibuf; |
146 | /* zebra_interface_state_read() updates interface structure in iflist */ | |
147 | ifp = zebra_interface_state_read(s, vrf_id); | |
718e3744 | 148 | |
d62a17ae | 149 | if (ifp == NULL) |
150 | return 0; | |
718e3744 | 151 | |
d62a17ae | 152 | if (if_is_up(ifp)) |
153 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
154 | ifp->name); | |
cf795c5d | 155 | |
d62a17ae | 156 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
157 | zlog_debug( | |
b5a8894d CS |
158 | "Zebra: interface delete %s vrf %s[%u] index %d flags %llx metric %d mtu %d", |
159 | ifp->name, ospf_vrf_id_to_name(ifp->vrf_id), | |
160 | ifp->vrf_id, ifp->ifindex, | |
d62a17ae | 161 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu); |
718e3744 | 162 | |
d62a17ae | 163 | hook_call(ospf_if_delete, ifp); |
718e3744 | 164 | |
d62a17ae | 165 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) |
166 | if (rn->info) | |
167 | ospf_if_free((struct ospf_interface *)rn->info); | |
718e3744 | 168 | |
ff880b78 | 169 | if_set_index(ifp, IFINDEX_INTERNAL); |
d62a17ae | 170 | return 0; |
718e3744 | 171 | } |
172 | ||
d62a17ae | 173 | static struct interface *zebra_interface_if_lookup(struct stream *s, |
174 | vrf_id_t vrf_id) | |
718e3744 | 175 | { |
d62a17ae | 176 | char ifname_tmp[INTERFACE_NAMSIZ]; |
718e3744 | 177 | |
d62a17ae | 178 | /* Read interface name. */ |
179 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
718e3744 | 180 | |
d62a17ae | 181 | /* And look it up. */ |
bcc24579 | 182 | return if_lookup_by_name(ifname_tmp, vrf_id); |
718e3744 | 183 | } |
184 | ||
d62a17ae | 185 | static int ospf_interface_state_up(int command, struct zclient *zclient, |
186 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 187 | { |
d62a17ae | 188 | struct interface *ifp; |
189 | struct ospf_interface *oi; | |
190 | struct route_node *rn; | |
191 | ||
192 | ifp = zebra_interface_if_lookup(zclient->ibuf, vrf_id); | |
193 | ||
194 | if (ifp == NULL) | |
195 | return 0; | |
196 | ||
197 | /* Interface is already up. */ | |
198 | if (if_is_operative(ifp)) { | |
199 | /* Temporarily keep ifp values. */ | |
200 | struct interface if_tmp; | |
201 | memcpy(&if_tmp, ifp, sizeof(struct interface)); | |
202 | ||
203 | zebra_interface_if_set_value(zclient->ibuf, ifp); | |
204 | ||
205 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
206 | zlog_debug( | |
207 | "Zebra: Interface[%s] state update speed %u -> %u, bw %d -> %d", | |
208 | ifp->name, if_tmp.speed, ifp->speed, | |
209 | if_tmp.bandwidth, ifp->bandwidth); | |
210 | ||
211 | ospf_if_recalculate_output_cost(ifp); | |
212 | ||
213 | if (if_tmp.mtu != ifp->mtu) { | |
214 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
215 | zlog_debug( | |
216 | "Zebra: Interface[%s] MTU change %u -> %u.", | |
217 | ifp->name, if_tmp.mtu, ifp->mtu); | |
218 | ||
219 | /* Must reset the interface (simulate down/up) when MTU | |
220 | * changes. */ | |
221 | ospf_if_reset(ifp); | |
222 | } | |
223 | return 0; | |
a608bbf2 | 224 | } |
cf795c5d | 225 | |
d62a17ae | 226 | zebra_interface_if_set_value(zclient->ibuf, ifp); |
cf795c5d | 227 | |
d62a17ae | 228 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
229 | zlog_debug("Zebra: Interface[%s] state change to up.", | |
230 | ifp->name); | |
cf795c5d | 231 | |
d62a17ae | 232 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) { |
233 | if ((oi = rn->info) == NULL) | |
234 | continue; | |
cf795c5d | 235 | |
d62a17ae | 236 | ospf_if_up(oi); |
237 | } | |
cf795c5d | 238 | |
d62a17ae | 239 | return 0; |
718e3744 | 240 | } |
241 | ||
d62a17ae | 242 | static int ospf_interface_state_down(int command, struct zclient *zclient, |
243 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 244 | { |
d62a17ae | 245 | struct interface *ifp; |
246 | struct ospf_interface *oi; | |
247 | struct route_node *node; | |
718e3744 | 248 | |
d62a17ae | 249 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); |
718e3744 | 250 | |
d62a17ae | 251 | if (ifp == NULL) |
252 | return 0; | |
718e3744 | 253 | |
d62a17ae | 254 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
255 | zlog_debug("Zebra: Interface[%s] state change to down.", | |
256 | ifp->name); | |
718e3744 | 257 | |
d62a17ae | 258 | for (node = route_top(IF_OIFS(ifp)); node; node = route_next(node)) { |
259 | if ((oi = node->info) == NULL) | |
260 | continue; | |
261 | ospf_if_down(oi); | |
262 | } | |
718e3744 | 263 | |
d62a17ae | 264 | return 0; |
718e3744 | 265 | } |
266 | ||
d62a17ae | 267 | static int ospf_interface_address_add(int command, struct zclient *zclient, |
268 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 269 | { |
d62a17ae | 270 | struct connected *c; |
b5a8894d CS |
271 | struct ospf *ospf = NULL; |
272 | ||
718e3744 | 273 | |
d62a17ae | 274 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); |
718e3744 | 275 | |
d62a17ae | 276 | if (c == NULL) |
277 | return 0; | |
718e3744 | 278 | |
d62a17ae | 279 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { |
280 | char buf[PREFIX2STR_BUFFER]; | |
281 | prefix2str(c->address, buf, sizeof(buf)); | |
b5a8894d CS |
282 | zlog_debug("Zebra: interface %s address add %s vrf %s id %u", |
283 | c->ifp->name, buf, ospf_vrf_id_to_name(vrf_id), | |
284 | vrf_id); | |
d62a17ae | 285 | } |
7f643ebf | 286 | |
b5a8894d | 287 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
43b8d1d8 CS |
288 | if (!ospf) |
289 | return 0; | |
b5a8894d CS |
290 | |
291 | ospf_if_update(ospf, c->ifp); | |
718e3744 | 292 | |
d62a17ae | 293 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 294 | |
d62a17ae | 295 | return 0; |
718e3744 | 296 | } |
297 | ||
d62a17ae | 298 | static int ospf_interface_address_delete(int command, struct zclient *zclient, |
299 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 300 | { |
d62a17ae | 301 | struct connected *c; |
302 | struct interface *ifp; | |
303 | struct ospf_interface *oi; | |
304 | struct route_node *rn; | |
305 | struct prefix p; | |
306 | ||
307 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
308 | ||
309 | if (c == NULL) | |
310 | return 0; | |
311 | ||
312 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
313 | char buf[PREFIX2STR_BUFFER]; | |
314 | prefix2str(c->address, buf, sizeof(buf)); | |
315 | zlog_debug("Zebra: interface %s address delete %s", | |
316 | c->ifp->name, buf); | |
317 | } | |
7f643ebf | 318 | |
d62a17ae | 319 | ifp = c->ifp; |
320 | p = *c->address; | |
321 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
718e3744 | 322 | |
d62a17ae | 323 | rn = route_node_lookup(IF_OIFS(ifp), &p); |
324 | if (!rn) { | |
325 | connected_free(c); | |
326 | return 0; | |
327 | } | |
718e3744 | 328 | |
d62a17ae | 329 | assert(rn->info); |
330 | oi = rn->info; | |
331 | route_unlock_node(rn); | |
cf795c5d | 332 | |
d62a17ae | 333 | /* Call interface hook functions to clean up */ |
334 | ospf_if_free(oi); | |
cf795c5d | 335 | |
d62a17ae | 336 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 337 | |
d62a17ae | 338 | connected_free(c); |
718e3744 | 339 | |
d62a17ae | 340 | return 0; |
718e3744 | 341 | } |
72357f2b | 342 | |
d62a17ae | 343 | static int ospf_interface_link_params(int command, struct zclient *zclient, |
344 | zebra_size_t length) | |
16f1b9ee | 345 | { |
d62a17ae | 346 | struct interface *ifp; |
16f1b9ee | 347 | |
d62a17ae | 348 | ifp = zebra_interface_link_params_read(zclient->ibuf); |
16f1b9ee | 349 | |
d62a17ae | 350 | if (ifp == NULL) |
351 | return 0; | |
16f1b9ee | 352 | |
d62a17ae | 353 | /* Update TE TLV */ |
354 | ospf_mpls_te_update_if(ifp); | |
16f1b9ee | 355 | |
d62a17ae | 356 | return 0; |
16f1b9ee OD |
357 | } |
358 | ||
b5a8894d CS |
359 | /* VRF update for an interface. */ |
360 | static int ospf_interface_vrf_update(int command, struct zclient *zclient, | |
996c9314 | 361 | zebra_size_t length, vrf_id_t vrf_id) |
b5a8894d CS |
362 | { |
363 | struct interface *ifp = NULL; | |
364 | vrf_id_t new_vrf_id; | |
16f1b9ee | 365 | |
b5a8894d | 366 | ifp = zebra_interface_vrf_update_read(zclient->ibuf, vrf_id, |
996c9314 | 367 | &new_vrf_id); |
b5a8894d CS |
368 | if (!ifp) |
369 | return 0; | |
370 | ||
371 | if (IS_DEBUG_OSPF_EVENT) | |
996c9314 LB |
372 | zlog_debug( |
373 | "%s: Rx Interface %s VRF change vrf_id %u New vrf %s id %u", | |
374 | __PRETTY_FUNCTION__, ifp->name, vrf_id, | |
375 | ospf_vrf_id_to_name(new_vrf_id), new_vrf_id); | |
b5a8894d CS |
376 | |
377 | /*if_update(ifp, ifp->name, strlen(ifp->name), new_vrf_id);*/ | |
378 | if_update_to_new_vrf(ifp, new_vrf_id); | |
379 | ||
996c9314 | 380 | return 0; |
b5a8894d CS |
381 | } |
382 | ||
383 | void ospf_zebra_add(struct ospf *ospf, struct prefix_ipv4 *p, | |
996c9314 | 384 | struct ospf_route * or) |
718e3744 | 385 | { |
5fef910e RW |
386 | struct zapi_route api; |
387 | struct zapi_nexthop *api_nh; | |
d7c0a89a | 388 | uint8_t distance; |
d62a17ae | 389 | struct ospf_path *path; |
390 | struct listnode *node; | |
5fef910e | 391 | int count = 0; |
d62a17ae | 392 | |
5fef910e | 393 | memset(&api, 0, sizeof(api)); |
b5a8894d | 394 | api.vrf_id = ospf->vrf_id; |
5fef910e RW |
395 | api.type = ZEBRA_ROUTE_OSPF; |
396 | api.instance = ospf->instance; | |
397 | api.safi = SAFI_UNICAST; | |
d00061ea | 398 | |
5fef910e RW |
399 | memcpy(&api.prefix, p, sizeof(*p)); |
400 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
d00061ea | 401 | |
5fef910e RW |
402 | /* Metric value. */ |
403 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
404 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
405 | api.metric = or->cost + or->u.ext.type2_cost; | |
406 | else if (or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
407 | api.metric = or->u.ext.type2_cost; | |
408 | else | |
409 | api.metric = or->cost; | |
d00061ea RW |
410 | |
411 | /* Check if path type is ASE */ | |
412 | if (((or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
413 | || (or->path_type == OSPF_PATH_TYPE2_EXTERNAL)) | |
5fef910e RW |
414 | && (or->u.ext.tag > 0) && (or->u.ext.tag <= ROUTE_TAG_MAX)) { |
415 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
416 | api.tag = or->u.ext.tag; | |
417 | } | |
d00061ea | 418 | |
5fef910e | 419 | /* Distance value. */ |
b5a8894d | 420 | distance = ospf_distance_apply(ospf, p, or); |
5fef910e RW |
421 | if (distance) { |
422 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
423 | api.distance = distance; | |
424 | } | |
d00061ea RW |
425 | |
426 | /* Nexthop, ifindex, distance and metric information. */ | |
427 | for (ALL_LIST_ELEMENTS_RO(or->paths, node, path)) { | |
a74e593b RW |
428 | if (count >= MULTIPATH_NUM) |
429 | break; | |
5fef910e | 430 | api_nh = &api.nexthops[count]; |
525c1839 | 431 | #ifdef HAVE_NETLINK |
d00061ea RW |
432 | if (path->unnumbered || (path->nexthop.s_addr != INADDR_ANY |
433 | && path->ifindex != 0)) { | |
525c1839 | 434 | #else /* HAVE_NETLINK */ |
d00061ea | 435 | if (path->nexthop.s_addr != INADDR_ANY && path->ifindex != 0) { |
5fef910e RW |
436 | #endif /* HAVE_NETLINK */ |
437 | api_nh->gate.ipv4 = path->nexthop; | |
438 | api_nh->ifindex = path->ifindex; | |
439 | api_nh->type = NEXTHOP_TYPE_IPV4_IFINDEX; | |
d00061ea | 440 | } else if (path->nexthop.s_addr != INADDR_ANY) { |
5fef910e RW |
441 | api_nh->gate.ipv4 = path->nexthop; |
442 | api_nh->type = NEXTHOP_TYPE_IPV4; | |
d00061ea | 443 | } else { |
5fef910e RW |
444 | api_nh->ifindex = path->ifindex; |
445 | api_nh->type = NEXTHOP_TYPE_IFINDEX; | |
d00061ea | 446 | } |
4a7371e9 | 447 | api_nh->vrf_id = ospf->vrf_id; |
5fef910e | 448 | count++; |
72357f2b | 449 | |
d00061ea | 450 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
4259ea81 MS |
451 | char buf[2][PREFIX2STR_BUFFER]; |
452 | ||
d00061ea | 453 | zlog_debug( |
4259ea81 MS |
454 | "Zebra: Route add %s nexthop %s, ifindex=%d", |
455 | prefix2str(p, buf[0], sizeof(buf[0])), | |
456 | inet_ntop(AF_INET, &path->nexthop, | |
457 | buf[1], sizeof(buf[1])), | |
d00061ea | 458 | path->ifindex); |
d62a17ae | 459 | } |
d00061ea | 460 | } |
a74e593b | 461 | api.nexthop_num = count; |
d62a17ae | 462 | |
5fef910e | 463 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
718e3744 | 464 | } |
465 | ||
b5a8894d | 466 | void ospf_zebra_delete(struct ospf *ospf, struct prefix_ipv4 *p, |
996c9314 | 467 | struct ospf_route * or) |
718e3744 | 468 | { |
5fef910e | 469 | struct zapi_route api; |
d62a17ae | 470 | |
5fef910e | 471 | memset(&api, 0, sizeof(api)); |
b5a8894d | 472 | api.vrf_id = ospf->vrf_id; |
5fef910e RW |
473 | api.type = ZEBRA_ROUTE_OSPF; |
474 | api.instance = ospf->instance; | |
475 | api.safi = SAFI_UNICAST; | |
476 | memcpy(&api.prefix, p, sizeof(*p)); | |
d62a17ae | 477 | |
5fef910e | 478 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
4259ea81 MS |
479 | char buf[PREFIX2STR_BUFFER]; |
480 | zlog_debug("Zebra: Route delete %s", | |
481 | prefix2str(p, buf, sizeof(buf))); | |
ba281d3d | 482 | } |
d00061ea | 483 | |
5fef910e | 484 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
718e3744 | 485 | } |
486 | ||
b5a8894d | 487 | void ospf_zebra_add_discard(struct ospf *ospf, struct prefix_ipv4 *p) |
718e3744 | 488 | { |
5fef910e | 489 | struct zapi_route api; |
d62a17ae | 490 | |
5fef910e | 491 | memset(&api, 0, sizeof(api)); |
b5a8894d | 492 | api.vrf_id = ospf->vrf_id; |
d00061ea RW |
493 | api.type = ZEBRA_ROUTE_OSPF; |
494 | api.instance = ospf->instance; | |
d00061ea | 495 | api.safi = SAFI_UNICAST; |
5fef910e | 496 | memcpy(&api.prefix, p, sizeof(*p)); |
09a484dd | 497 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 498 | |
5fef910e | 499 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea | 500 | |
4259ea81 MS |
501 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
502 | char buf[PREFIX2STR_BUFFER]; | |
503 | zlog_debug("Zebra: Route add discard %s", | |
504 | prefix2str(p, buf, sizeof(buf))); | |
505 | } | |
718e3744 | 506 | } |
507 | ||
b5a8894d | 508 | void ospf_zebra_delete_discard(struct ospf *ospf, struct prefix_ipv4 *p) |
718e3744 | 509 | { |
5fef910e | 510 | struct zapi_route api; |
d62a17ae | 511 | |
5fef910e | 512 | memset(&api, 0, sizeof(api)); |
b5a8894d | 513 | api.vrf_id = ospf->vrf_id; |
d00061ea RW |
514 | api.type = ZEBRA_ROUTE_OSPF; |
515 | api.instance = ospf->instance; | |
d00061ea | 516 | api.safi = SAFI_UNICAST; |
5fef910e | 517 | memcpy(&api.prefix, p, sizeof(*p)); |
09a484dd | 518 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 519 | |
5fef910e | 520 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea | 521 | |
4259ea81 MS |
522 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
523 | char buf[PREFIX2STR_BUFFER]; | |
524 | zlog_debug("Zebra: Route delete discard %s", | |
525 | prefix2str(p, buf, sizeof(buf))); | |
526 | } | |
718e3744 | 527 | } |
528 | ||
d7c0a89a QY |
529 | struct ospf_external *ospf_external_lookup(struct ospf *ospf, uint8_t type, |
530 | unsigned short instance) | |
7c8ff89e | 531 | { |
d62a17ae | 532 | struct list *ext_list; |
533 | struct listnode *node; | |
534 | struct ospf_external *ext; | |
7c8ff89e | 535 | |
de1ac5fd | 536 | ext_list = ospf->external[type]; |
d62a17ae | 537 | if (!ext_list) |
538 | return (NULL); | |
7c8ff89e | 539 | |
d62a17ae | 540 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) |
541 | if (ext->instance == instance) | |
542 | return ext; | |
7c8ff89e | 543 | |
d62a17ae | 544 | return NULL; |
7c8ff89e DS |
545 | } |
546 | ||
d7c0a89a QY |
547 | struct ospf_external *ospf_external_add(struct ospf *ospf, uint8_t type, |
548 | unsigned short instance) | |
7c8ff89e | 549 | { |
d62a17ae | 550 | struct list *ext_list; |
551 | struct ospf_external *ext; | |
7c8ff89e | 552 | |
de1ac5fd | 553 | ext = ospf_external_lookup(ospf, type, instance); |
d62a17ae | 554 | if (ext) |
555 | return ext; | |
7c8ff89e | 556 | |
de1ac5fd CS |
557 | if (!ospf->external[type]) |
558 | ospf->external[type] = list_new(); | |
7c8ff89e | 559 | |
de1ac5fd | 560 | ext_list = ospf->external[type]; |
7f586094 CS |
561 | ext = (struct ospf_external *)XCALLOC(MTYPE_OSPF_EXTERNAL, |
562 | sizeof(struct ospf_external)); | |
d62a17ae | 563 | ext->instance = instance; |
564 | EXTERNAL_INFO(ext) = route_table_init(); | |
7c8ff89e | 565 | |
d62a17ae | 566 | listnode_add(ext_list, ext); |
7c8ff89e | 567 | |
d62a17ae | 568 | return ext; |
7c8ff89e DS |
569 | } |
570 | ||
d7c0a89a | 571 | void ospf_external_del(struct ospf *ospf, uint8_t type, unsigned short instance) |
7c8ff89e | 572 | { |
d62a17ae | 573 | struct ospf_external *ext; |
574 | ||
de1ac5fd | 575 | ext = ospf_external_lookup(ospf, type, instance); |
d62a17ae | 576 | |
577 | if (ext) { | |
578 | if (EXTERNAL_INFO(ext)) | |
579 | route_table_finish(EXTERNAL_INFO(ext)); | |
580 | ||
de1ac5fd CS |
581 | listnode_delete(ospf->external[type], ext); |
582 | ||
583 | if (!ospf->external[type]->count) | |
584 | list_delete_and_null(&ospf->external[type]); | |
585 | ||
7f586094 | 586 | XFREE(MTYPE_OSPF_EXTERNAL, ext); |
d62a17ae | 587 | } |
7c8ff89e DS |
588 | } |
589 | ||
d7c0a89a QY |
590 | struct ospf_redist *ospf_redist_lookup(struct ospf *ospf, uint8_t type, |
591 | unsigned short instance) | |
7c8ff89e | 592 | { |
d62a17ae | 593 | struct list *red_list; |
594 | struct listnode *node; | |
595 | struct ospf_redist *red; | |
7c8ff89e | 596 | |
d62a17ae | 597 | red_list = ospf->redist[type]; |
598 | if (!red_list) | |
599 | return (NULL); | |
7c8ff89e | 600 | |
d62a17ae | 601 | for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) |
602 | if (red->instance == instance) | |
603 | return red; | |
7c8ff89e | 604 | |
d62a17ae | 605 | return NULL; |
7c8ff89e DS |
606 | } |
607 | ||
d7c0a89a QY |
608 | struct ospf_redist *ospf_redist_add(struct ospf *ospf, uint8_t type, |
609 | unsigned short instance) | |
7c8ff89e | 610 | { |
d62a17ae | 611 | struct list *red_list; |
612 | struct ospf_redist *red; | |
7c8ff89e | 613 | |
d62a17ae | 614 | red = ospf_redist_lookup(ospf, type, instance); |
615 | if (red) | |
616 | return red; | |
7c8ff89e | 617 | |
d62a17ae | 618 | if (!ospf->redist[type]) |
619 | ospf->redist[type] = list_new(); | |
7c8ff89e | 620 | |
d62a17ae | 621 | red_list = ospf->redist[type]; |
7f586094 CS |
622 | red = (struct ospf_redist *)XCALLOC(MTYPE_OSPF_REDISTRIBUTE, |
623 | sizeof(struct ospf_redist)); | |
d62a17ae | 624 | red->instance = instance; |
625 | red->dmetric.type = -1; | |
626 | red->dmetric.value = -1; | |
7c8ff89e | 627 | |
d62a17ae | 628 | listnode_add(red_list, red); |
7c8ff89e | 629 | |
d62a17ae | 630 | return red; |
7c8ff89e DS |
631 | } |
632 | ||
d7c0a89a | 633 | void ospf_redist_del(struct ospf *ospf, uint8_t type, unsigned short instance) |
7c8ff89e | 634 | { |
d62a17ae | 635 | struct ospf_redist *red; |
636 | ||
637 | red = ospf_redist_lookup(ospf, type, instance); | |
638 | ||
639 | if (red) { | |
640 | listnode_delete(ospf->redist[type], red); | |
641 | if (!ospf->redist[type]->count) { | |
acdf5e25 | 642 | list_delete_and_null(&ospf->redist[type]); |
d62a17ae | 643 | } |
97a69b31 | 644 | ospf_routemap_unset(red); |
7f586094 | 645 | XFREE(MTYPE_OSPF_REDISTRIBUTE, red); |
d62a17ae | 646 | } |
7c8ff89e DS |
647 | } |
648 | ||
649 | ||
d7c0a89a QY |
650 | int ospf_is_type_redistributed(struct ospf *ospf, int type, |
651 | unsigned short instance) | |
718e3744 | 652 | { |
d62a17ae | 653 | return (DEFAULT_ROUTE_TYPE(type) |
654 | ? vrf_bitmap_check(zclient->default_information, | |
b5a8894d | 655 | ospf->vrf_id) |
d62a17ae | 656 | : ((instance |
657 | && redist_check_instance( | |
658 | &zclient->mi_redist[AFI_IP][type], | |
659 | instance)) | |
660 | || (!instance | |
661 | && vrf_bitmap_check( | |
662 | zclient->redist[AFI_IP][type], | |
b5a8894d | 663 | ospf->vrf_id)))); |
718e3744 | 664 | } |
665 | ||
d7c0a89a | 666 | int ospf_redistribute_set(struct ospf *ospf, int type, unsigned short instance, |
d62a17ae | 667 | int mtype, int mvalue) |
718e3744 | 668 | { |
d62a17ae | 669 | int force = 0; |
670 | struct ospf_redist *red; | |
671 | ||
672 | red = ospf_redist_lookup(ospf, type, instance); | |
162dbe41 | 673 | |
674 | if (red == NULL) { | |
675 | zlog_err( | |
676 | "Redistribute[%s][%d]: Lookup failed Type[%d] , Metric[%d]", | |
677 | ospf_redist_string(type), instance, | |
678 | metric_type(ospf, type, instance), | |
679 | metric_value(ospf, type, instance)); | |
680 | return CMD_WARNING_CONFIG_FAILED; | |
681 | } | |
682 | ||
b5a8894d | 683 | if (ospf_is_type_redistributed(ospf, type, instance)) { |
d62a17ae | 684 | if (mtype != red->dmetric.type) { |
685 | red->dmetric.type = mtype; | |
686 | force = LSA_REFRESH_FORCE; | |
687 | } | |
688 | if (mvalue != red->dmetric.value) { | |
689 | red->dmetric.value = mvalue; | |
690 | force = LSA_REFRESH_FORCE; | |
691 | } | |
692 | ||
693 | ospf_external_lsa_refresh_type(ospf, type, instance, force); | |
694 | ||
695 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
696 | zlog_debug( | |
697 | "Redistribute[%s][%d]: Refresh Type[%d], Metric[%d]", | |
698 | ospf_redist_string(type), instance, | |
699 | metric_type(ospf, type, instance), | |
700 | metric_value(ospf, type, instance)); | |
701 | ||
702 | return CMD_SUCCESS; | |
703 | } | |
704 | ||
705 | red->dmetric.type = mtype; | |
706 | red->dmetric.value = mvalue; | |
707 | ||
de1ac5fd | 708 | ospf_external_add(ospf, type, instance); |
d62a17ae | 709 | |
710 | zclient_redistribute(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, type, | |
b5a8894d | 711 | instance, ospf->vrf_id); |
d62a17ae | 712 | |
713 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
996c9314 LB |
714 | zlog_debug( |
715 | "Redistribute[%s][%d] vrf id %u: Start Type[%d], Metric[%d]", | |
716 | ospf_redist_string(type), instance, ospf->vrf_id, | |
717 | metric_type(ospf, type, instance), | |
718 | metric_value(ospf, type, instance)); | |
d62a17ae | 719 | |
720 | ospf_asbr_status_update(ospf, ++ospf->redistribute); | |
721 | ||
722 | return CMD_SUCCESS; | |
718e3744 | 723 | } |
724 | ||
d7c0a89a QY |
725 | int ospf_redistribute_unset(struct ospf *ospf, int type, |
726 | unsigned short instance) | |
718e3744 | 727 | { |
d62a17ae | 728 | if (type == zclient->redist_default && instance == zclient->instance) |
729 | return CMD_SUCCESS; | |
718e3744 | 730 | |
b5a8894d | 731 | if (!ospf_is_type_redistributed(ospf, type, instance)) |
d62a17ae | 732 | return CMD_SUCCESS; |
718e3744 | 733 | |
d62a17ae | 734 | zclient_redistribute(ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP, type, |
b5a8894d | 735 | instance, ospf->vrf_id); |
cf795c5d | 736 | |
d62a17ae | 737 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
b5a8894d CS |
738 | zlog_debug("Redistribute[%s][%d] vrf id %u: Stop", |
739 | ospf_redist_string(type), instance, ospf->vrf_id); | |
718e3744 | 740 | |
d62a17ae | 741 | ospf_redist_del(ospf, type, instance); |
718e3744 | 742 | |
d62a17ae | 743 | /* Remove the routes from OSPF table. */ |
744 | ospf_redistribute_withdraw(ospf, type, instance); | |
7c8ff89e | 745 | |
de1ac5fd | 746 | ospf_external_del(ospf, type, instance); |
718e3744 | 747 | |
d62a17ae | 748 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 749 | |
d62a17ae | 750 | return CMD_SUCCESS; |
718e3744 | 751 | } |
752 | ||
d62a17ae | 753 | int ospf_redistribute_default_set(struct ospf *ospf, int originate, int mtype, |
754 | int mvalue) | |
718e3744 | 755 | { |
d62a17ae | 756 | struct ospf_redist *red; |
7c8ff89e | 757 | |
d62a17ae | 758 | ospf->default_originate = originate; |
020709f9 | 759 | |
d62a17ae | 760 | red = ospf_redist_add(ospf, DEFAULT_ROUTE, 0); |
761 | red->dmetric.type = mtype; | |
762 | red->dmetric.value = mvalue; | |
7c8ff89e | 763 | |
de1ac5fd | 764 | ospf_external_add(ospf, DEFAULT_ROUTE, 0); |
7c8ff89e | 765 | |
b5a8894d | 766 | if (ospf_is_type_redistributed(ospf, DEFAULT_ROUTE, 0)) { |
d62a17ae | 767 | /* if ospf->default_originate changes value, is calling |
768 | ospf_external_lsa_refresh_default sufficient to implement | |
769 | the change? */ | |
770 | ospf_external_lsa_refresh_default(ospf); | |
cf795c5d | 771 | |
d62a17ae | 772 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
773 | zlog_debug( | |
774 | "Redistribute[%s]: Refresh Type[%d], Metric[%d]", | |
775 | ospf_redist_string(DEFAULT_ROUTE), | |
776 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
777 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
778 | return CMD_SUCCESS; | |
779 | } | |
718e3744 | 780 | |
d62a17ae | 781 | zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_ADD, zclient, |
b5a8894d | 782 | ospf->vrf_id); |
cf795c5d | 783 | |
d62a17ae | 784 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
785 | zlog_debug("Redistribute[DEFAULT]: Start Type[%d], Metric[%d]", | |
786 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
787 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
718e3744 | 788 | |
d62a17ae | 789 | if (ospf->router_id.s_addr == 0) |
790 | ospf->external_origin |= (1 << DEFAULT_ROUTE); | |
791 | else | |
792 | thread_add_timer(master, ospf_default_originate_timer, ospf, 1, | |
793 | NULL); | |
718e3744 | 794 | |
d62a17ae | 795 | ospf_asbr_status_update(ospf, ++ospf->redistribute); |
718e3744 | 796 | |
d62a17ae | 797 | return CMD_SUCCESS; |
718e3744 | 798 | } |
799 | ||
d62a17ae | 800 | int ospf_redistribute_default_unset(struct ospf *ospf) |
718e3744 | 801 | { |
b5a8894d | 802 | if (!ospf_is_type_redistributed(ospf, DEFAULT_ROUTE, 0)) |
d62a17ae | 803 | return CMD_SUCCESS; |
718e3744 | 804 | |
d62a17ae | 805 | ospf->default_originate = DEFAULT_ORIGINATE_NONE; |
806 | ospf_redist_del(ospf, DEFAULT_ROUTE, 0); | |
718e3744 | 807 | |
d62a17ae | 808 | zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, zclient, |
b5a8894d | 809 | ospf->vrf_id); |
718e3744 | 810 | |
d62a17ae | 811 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
812 | zlog_debug("Redistribute[DEFAULT]: Stop"); | |
cf795c5d | 813 | |
d62a17ae | 814 | // Pending: how does the external_info cleanup work in this case? |
7c8ff89e | 815 | |
d62a17ae | 816 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 817 | |
d62a17ae | 818 | return CMD_SUCCESS; |
718e3744 | 819 | } |
820 | ||
d62a17ae | 821 | static int ospf_external_lsa_originate_check(struct ospf *ospf, |
822 | struct external_info *ei) | |
718e3744 | 823 | { |
d62a17ae | 824 | /* If prefix is multicast, then do not originate LSA. */ |
825 | if (IN_MULTICAST(htonl(ei->p.prefix.s_addr))) { | |
826 | zlog_info( | |
827 | "LSA[Type5:%s]: Not originate AS-external-LSA, " | |
828 | "Prefix belongs multicast", | |
829 | inet_ntoa(ei->p.prefix)); | |
830 | return 0; | |
831 | } | |
832 | ||
833 | /* Take care of default-originate. */ | |
834 | if (is_prefix_default(&ei->p)) | |
835 | if (ospf->default_originate == DEFAULT_ORIGINATE_NONE) { | |
836 | zlog_info( | |
837 | "LSA[Type5:0.0.0.0]: Not originate AS-external-LSA " | |
838 | "for default"); | |
839 | return 0; | |
840 | } | |
841 | ||
842 | return 1; | |
718e3744 | 843 | } |
844 | ||
845 | /* If connected prefix is OSPF enable interface, then do not announce. */ | |
d62a17ae | 846 | int ospf_distribute_check_connected(struct ospf *ospf, struct external_info *ei) |
718e3744 | 847 | { |
d62a17ae | 848 | struct listnode *node; |
849 | struct ospf_interface *oi; | |
718e3744 | 850 | |
718e3744 | 851 | |
d62a17ae | 852 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) |
853 | if (prefix_match(oi->address, (struct prefix *)&ei->p)) | |
854 | return 0; | |
855 | return 1; | |
718e3744 | 856 | } |
857 | ||
858 | /* return 1 if external LSA must be originated, 0 otherwise */ | |
d62a17ae | 859 | int ospf_redistribute_check(struct ospf *ospf, struct external_info *ei, |
860 | int *changed) | |
718e3744 | 861 | { |
d62a17ae | 862 | struct route_map_set_values save_values; |
863 | struct prefix_ipv4 *p = &ei->p; | |
864 | struct ospf_redist *red; | |
d7c0a89a QY |
865 | uint8_t type = is_prefix_default(&ei->p) ? DEFAULT_ROUTE : ei->type; |
866 | unsigned short instance = is_prefix_default(&ei->p) ? 0 : ei->instance; | |
d62a17ae | 867 | |
868 | if (changed) | |
869 | *changed = 0; | |
870 | ||
871 | if (!ospf_external_lsa_originate_check(ospf, ei)) | |
872 | return 0; | |
873 | ||
874 | /* Take care connected route. */ | |
875 | if (type == ZEBRA_ROUTE_CONNECT | |
876 | && !ospf_distribute_check_connected(ospf, ei)) | |
877 | return 0; | |
878 | ||
879 | if (!DEFAULT_ROUTE_TYPE(type) && DISTRIBUTE_NAME(ospf, type)) | |
880 | /* distirbute-list exists, but access-list may not? */ | |
881 | if (DISTRIBUTE_LIST(ospf, type)) | |
882 | if (access_list_apply(DISTRIBUTE_LIST(ospf, type), p) | |
883 | == FILTER_DENY) { | |
4259ea81 MS |
884 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
885 | char buf[PREFIX2STR_BUFFER]; | |
d62a17ae | 886 | zlog_debug( |
4259ea81 | 887 | "Redistribute[%s]: %s filtered by distribute-list.", |
d62a17ae | 888 | ospf_redist_string(type), |
4259ea81 MS |
889 | prefix2str(p, buf, sizeof(buf))); |
890 | } | |
d62a17ae | 891 | return 0; |
892 | } | |
893 | ||
894 | save_values = ei->route_map_set; | |
895 | ospf_reset_route_map_set_values(&ei->route_map_set); | |
896 | ||
897 | /* apply route-map if needed */ | |
898 | red = ospf_redist_lookup(ospf, type, instance); | |
899 | if (red && ROUTEMAP_NAME(red)) { | |
900 | int ret; | |
901 | ||
902 | ret = route_map_apply(ROUTEMAP(red), (struct prefix *)p, | |
903 | RMAP_OSPF, ei); | |
904 | ||
905 | if (ret == RMAP_DENYMATCH) { | |
906 | ei->route_map_set = save_values; | |
4259ea81 MS |
907 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
908 | char buf[PREFIX2STR_BUFFER]; | |
d62a17ae | 909 | zlog_debug( |
4259ea81 | 910 | "Redistribute[%s]: %s filtered by route-map.", |
d62a17ae | 911 | ospf_redist_string(type), |
4259ea81 MS |
912 | prefix2str(p, buf, sizeof(buf))); |
913 | } | |
d62a17ae | 914 | return 0; |
915 | } | |
916 | ||
917 | /* check if 'route-map set' changed something */ | |
918 | if (changed) | |
919 | *changed = !ospf_route_map_set_compare( | |
920 | &ei->route_map_set, &save_values); | |
921 | } | |
922 | ||
923 | return 1; | |
718e3744 | 924 | } |
925 | ||
926 | /* OSPF route-map set for redistribution */ | |
d62a17ae | 927 | void ospf_routemap_set(struct ospf_redist *red, const char *name) |
718e3744 | 928 | { |
d62a17ae | 929 | if (ROUTEMAP_NAME(red)) |
930 | free(ROUTEMAP_NAME(red)); | |
718e3744 | 931 | |
d62a17ae | 932 | ROUTEMAP_NAME(red) = strdup(name); |
933 | ROUTEMAP(red) = route_map_lookup_by_name(name); | |
718e3744 | 934 | } |
935 | ||
d62a17ae | 936 | void ospf_routemap_unset(struct ospf_redist *red) |
718e3744 | 937 | { |
d62a17ae | 938 | if (ROUTEMAP_NAME(red)) |
939 | free(ROUTEMAP_NAME(red)); | |
718e3744 | 940 | |
d62a17ae | 941 | ROUTEMAP_NAME(red) = NULL; |
942 | ROUTEMAP(red) = NULL; | |
718e3744 | 943 | } |
944 | ||
945 | /* Zebra route add and delete treatment. */ | |
74489921 RW |
946 | static int ospf_zebra_read_route(int command, struct zclient *zclient, |
947 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 948 | { |
74489921 RW |
949 | struct zapi_route api; |
950 | struct prefix_ipv4 p; | |
d62a17ae | 951 | unsigned long ifindex; |
952 | struct in_addr nexthop; | |
d62a17ae | 953 | struct external_info *ei; |
954 | struct ospf *ospf; | |
955 | int i; | |
956 | ||
b5a8894d | 957 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
74489921 RW |
958 | if (ospf == NULL) |
959 | return 0; | |
d62a17ae | 960 | |
74489921 RW |
961 | if (zapi_route_decode(zclient->ibuf, &api) < 0) |
962 | return -1; | |
d62a17ae | 963 | |
74489921 RW |
964 | ifindex = api.nexthops[0].ifindex; |
965 | nexthop = api.nexthops[0].gate.ipv4; | |
d62a17ae | 966 | |
74489921 | 967 | memcpy(&p, &api.prefix, sizeof(p)); |
d62a17ae | 968 | if (IPV4_NET127(ntohl(p.prefix.s_addr))) |
969 | return 0; | |
970 | ||
5c780bc9 PZ |
971 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
972 | char buf_prefix[PREFIX_STRLEN]; | |
973 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); | |
974 | ||
975 | zlog_debug("%s: from client %s: vrf_id %d, p %s", __func__, | |
976 | zebra_route_string(api.type), vrf_id, buf_prefix); | |
977 | } | |
978 | ||
74489921 | 979 | if (command == ZEBRA_REDISTRIBUTE_ROUTE_ADD) { |
d62a17ae | 980 | /* XXX|HACK|TODO|FIXME: |
09a484dd DL |
981 | * Maybe we should ignore reject/blackhole routes? Testing |
982 | * shows that there is no problems though and this is only way | |
983 | * to "summarize" routes in ASBR at the moment. Maybe we need | |
984 | * just a better generalised solution for these types? | |
d62a17ae | 985 | */ |
986 | ||
74489921 | 987 | /* Protocol tag overwrites all other tag value sent by zebra */ |
d62a17ae | 988 | if (ospf->dtag[api.type] > 0) |
989 | api.tag = ospf->dtag[api.type]; | |
990 | ||
991 | /* | |
992 | * Given zebra sends update for a prefix via ADD message, it | |
993 | * should | |
994 | * be considered as an implicit DEL for that prefix with other | |
995 | * source | |
996 | * types. | |
997 | */ | |
998 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
999 | if (i != api.type) | |
996c9314 LB |
1000 | ospf_external_info_delete(ospf, i, api.instance, |
1001 | p); | |
d62a17ae | 1002 | |
de1ac5fd CS |
1003 | ei = ospf_external_info_add(ospf, api.type, api.instance, p, |
1004 | ifindex, nexthop, api.tag); | |
d62a17ae | 1005 | if (ei == NULL) { |
1006 | /* Nothing has changed, so nothing to do; return */ | |
1007 | return 0; | |
1008 | } | |
1009 | if (ospf->router_id.s_addr == 0) | |
1010 | /* Set flags to generate AS-external-LSA originate event | |
1011 | for each redistributed protocols later. */ | |
1012 | ospf->external_origin |= (1 << api.type); | |
1013 | else { | |
1014 | if (ei) { | |
1015 | if (is_prefix_default(&p)) | |
1016 | ospf_external_lsa_refresh_default(ospf); | |
1017 | else { | |
1018 | struct ospf_lsa *current; | |
1019 | ||
1020 | current = ospf_external_info_find_lsa( | |
1021 | ospf, &ei->p); | |
1022 | if (!current) | |
1023 | ospf_external_lsa_originate( | |
1024 | ospf, ei); | |
1025 | else { | |
1026 | if (IS_DEBUG_OSPF( | |
1027 | zebra, | |
1028 | ZEBRA_REDISTRIBUTE)) | |
1029 | zlog_debug( | |
74489921 | 1030 | "ospf_zebra_read_route() : %s refreshing LSA", |
d62a17ae | 1031 | inet_ntoa( |
1032 | p.prefix)); | |
1033 | ospf_external_lsa_refresh( | |
1034 | ospf, current, ei, | |
1035 | LSA_REFRESH_FORCE); | |
1036 | } | |
1037 | } | |
1038 | } | |
1039 | } | |
74489921 | 1040 | } else /* if (command == ZEBRA_REDISTRIBUTE_ROUTE_DEL) */ |
5048fe14 | 1041 | { |
de1ac5fd | 1042 | ospf_external_info_delete(ospf, api.type, api.instance, p); |
d62a17ae | 1043 | if (is_prefix_default(&p)) |
1044 | ospf_external_lsa_refresh_default(ospf); | |
1045 | else | |
1046 | ospf_external_lsa_flush(ospf, api.type, &p, | |
1047 | ifindex /*, nexthop */); | |
5048fe14 | 1048 | } |
d62a17ae | 1049 | |
1050 | return 0; | |
718e3744 | 1051 | } |
6b0655a2 | 1052 | |
cf795c5d | 1053 | |
d62a17ae | 1054 | int ospf_distribute_list_out_set(struct ospf *ospf, int type, const char *name) |
718e3744 | 1055 | { |
d62a17ae | 1056 | /* Lookup access-list for distribute-list. */ |
1057 | DISTRIBUTE_LIST(ospf, type) = access_list_lookup(AFI_IP, name); | |
718e3744 | 1058 | |
d62a17ae | 1059 | /* Clear previous distribute-name. */ |
1060 | if (DISTRIBUTE_NAME(ospf, type)) | |
1061 | free(DISTRIBUTE_NAME(ospf, type)); | |
718e3744 | 1062 | |
d62a17ae | 1063 | /* Set distribute-name. */ |
1064 | DISTRIBUTE_NAME(ospf, type) = strdup(name); | |
718e3744 | 1065 | |
d62a17ae | 1066 | /* If access-list have been set, schedule update timer. */ |
1067 | if (DISTRIBUTE_LIST(ospf, type)) | |
1068 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1069 | |
d62a17ae | 1070 | return CMD_SUCCESS; |
718e3744 | 1071 | } |
1072 | ||
d62a17ae | 1073 | int ospf_distribute_list_out_unset(struct ospf *ospf, int type, |
1074 | const char *name) | |
718e3744 | 1075 | { |
d62a17ae | 1076 | /* Schedule update timer. */ |
1077 | if (DISTRIBUTE_LIST(ospf, type)) | |
1078 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1079 | |
d62a17ae | 1080 | /* Unset distribute-list. */ |
1081 | DISTRIBUTE_LIST(ospf, type) = NULL; | |
718e3744 | 1082 | |
d62a17ae | 1083 | /* Clear distribute-name. */ |
1084 | if (DISTRIBUTE_NAME(ospf, type)) | |
1085 | free(DISTRIBUTE_NAME(ospf, type)); | |
cf795c5d | 1086 | |
d62a17ae | 1087 | DISTRIBUTE_NAME(ospf, type) = NULL; |
718e3744 | 1088 | |
d62a17ae | 1089 | return CMD_SUCCESS; |
718e3744 | 1090 | } |
1091 | ||
1092 | /* distribute-list update timer. */ | |
d62a17ae | 1093 | static int ospf_distribute_list_update_timer(struct thread *thread) |
718e3744 | 1094 | { |
d62a17ae | 1095 | struct route_node *rn; |
1096 | struct external_info *ei; | |
1097 | struct route_table *rt; | |
1098 | struct ospf_lsa *lsa; | |
b5a8894d CS |
1099 | int type, default_refresh = 0, arg_type; |
1100 | struct ospf *ospf = NULL; | |
996c9314 | 1101 | void **arg = THREAD_ARG(thread); |
b5a8894d CS |
1102 | |
1103 | ospf = (struct ospf *)arg[0]; | |
1104 | arg_type = (int)(intptr_t)arg[1]; | |
d62a17ae | 1105 | |
d62a17ae | 1106 | if (ospf == NULL) |
1107 | return 0; | |
1108 | ||
1109 | ospf->t_distribute_update = NULL; | |
1110 | ||
1111 | zlog_info("Zebra[Redistribute]: distribute-list update timer fired!"); | |
1112 | ||
b5a8894d | 1113 | if (IS_DEBUG_OSPF_EVENT) { |
996c9314 LB |
1114 | zlog_debug( |
1115 | "%s: ospf distribute-list update arg_type %d vrf %s id %d", | |
1116 | __PRETTY_FUNCTION__, arg_type, | |
1117 | ospf_vrf_id_to_name(ospf->vrf_id), ospf->vrf_id); | |
b5a8894d CS |
1118 | } |
1119 | ||
d62a17ae | 1120 | /* foreach all external info. */ |
1121 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1122 | struct list *ext_list; | |
1123 | struct listnode *node; | |
1124 | struct ospf_external *ext; | |
1125 | ||
de1ac5fd | 1126 | ext_list = ospf->external[type]; |
d62a17ae | 1127 | if (!ext_list) |
1128 | continue; | |
1129 | ||
1130 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) { | |
1131 | rt = ext->external_info; | |
1132 | if (!rt) | |
1133 | continue; | |
1134 | for (rn = route_top(rt); rn; rn = route_next(rn)) | |
1135 | if ((ei = rn->info) != NULL) { | |
1136 | if (is_prefix_default(&ei->p)) | |
1137 | default_refresh = 1; | |
1138 | else if ( | |
1139 | (lsa = ospf_external_info_find_lsa( | |
1140 | ospf, &ei->p))) | |
1141 | ospf_external_lsa_refresh( | |
1142 | ospf, lsa, ei, | |
1143 | LSA_REFRESH_IF_CHANGED); | |
1144 | else | |
1145 | ospf_external_lsa_originate( | |
1146 | ospf, ei); | |
1147 | } | |
1148 | } | |
1149 | } | |
1150 | if (default_refresh) | |
1151 | ospf_external_lsa_refresh_default(ospf); | |
b5a8894d CS |
1152 | |
1153 | XFREE(MTYPE_OSPF_DIST_ARGS, arg); | |
d62a17ae | 1154 | return 0; |
718e3744 | 1155 | } |
1156 | ||
718e3744 | 1157 | /* Update distribute-list and set timer to apply access-list. */ |
d7c0a89a QY |
1158 | void ospf_distribute_list_update(struct ospf *ospf, int type, |
1159 | unsigned short instance) | |
718e3744 | 1160 | { |
d62a17ae | 1161 | struct route_table *rt; |
1162 | struct ospf_external *ext; | |
996c9314 | 1163 | void **args = XCALLOC(MTYPE_OSPF_DIST_ARGS, sizeof(void *) * 2); |
d62a17ae | 1164 | |
b5a8894d | 1165 | args[0] = ospf; |
996c9314 | 1166 | args[1] = (void *)((ptrdiff_t)type); |
b5a8894d | 1167 | |
d62a17ae | 1168 | /* External info does not exist. */ |
de1ac5fd | 1169 | ext = ospf_external_lookup(ospf, type, instance); |
a68730c6 DS |
1170 | if (!ext || !(rt = EXTERNAL_INFO(ext))) { |
1171 | XFREE(MTYPE_OSPF_DIST_ARGS, args); | |
d62a17ae | 1172 | return; |
a68730c6 | 1173 | } |
d62a17ae | 1174 | |
1175 | /* If exists previously invoked thread, then let it continue. */ | |
a68730c6 DS |
1176 | if (ospf->t_distribute_update) { |
1177 | XFREE(MTYPE_OSPF_DIST_ARGS, args); | |
d62a17ae | 1178 | return; |
a68730c6 | 1179 | } |
d62a17ae | 1180 | |
1181 | /* Set timer. */ | |
1182 | ospf->t_distribute_update = NULL; | |
1183 | thread_add_timer_msec(master, ospf_distribute_list_update_timer, | |
b5a8894d | 1184 | (void **)args, ospf->min_ls_interval, |
d62a17ae | 1185 | &ospf->t_distribute_update); |
718e3744 | 1186 | } |
1187 | ||
1188 | /* If access-list is updated, apply some check. */ | |
d62a17ae | 1189 | static void ospf_filter_update(struct access_list *access) |
718e3744 | 1190 | { |
d62a17ae | 1191 | struct ospf *ospf; |
1192 | int type; | |
1193 | int abr_inv = 0; | |
1194 | struct ospf_area *area; | |
b5a8894d | 1195 | struct listnode *node, *n1; |
d62a17ae | 1196 | |
1197 | /* If OSPF instance does not exist, return right now. */ | |
b5a8894d | 1198 | if (listcount(om->ospf) == 0) |
d62a17ae | 1199 | return; |
1200 | ||
b5a8894d | 1201 | /* Iterate all ospf [VRF] instances */ |
43b8d1d8 | 1202 | for (ALL_LIST_ELEMENTS_RO(om->ospf, n1, ospf)) { |
b5a8894d CS |
1203 | /* Update distribute-list, and apply filter. */ |
1204 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1205 | struct list *red_list; | |
1206 | struct listnode *node; | |
1207 | struct ospf_redist *red; | |
1208 | ||
1209 | red_list = ospf->redist[type]; | |
1210 | if (red_list) | |
996c9314 LB |
1211 | for (ALL_LIST_ELEMENTS_RO(red_list, node, |
1212 | red)) { | |
b5a8894d | 1213 | if (ROUTEMAP(red)) { |
996c9314 LB |
1214 | /* if route-map is not NULL it |
1215 | * may be | |
b5a8894d CS |
1216 | * using this access list */ |
1217 | ospf_distribute_list_update( | |
996c9314 LB |
1218 | ospf, type, |
1219 | red->instance); | |
b5a8894d | 1220 | } |
d62a17ae | 1221 | } |
d62a17ae | 1222 | |
b5a8894d CS |
1223 | /* There is place for route-map for default-information |
1224 | * (ZEBRA_ROUTE_MAX), | |
1225 | * but no distribute list. */ | |
1226 | if (type == ZEBRA_ROUTE_MAX) | |
1227 | break; | |
1228 | ||
1229 | if (DISTRIBUTE_NAME(ospf, type)) { | |
1230 | /* Keep old access-list for distribute-list. */ | |
996c9314 LB |
1231 | struct access_list *old = |
1232 | DISTRIBUTE_LIST(ospf, type); | |
b5a8894d CS |
1233 | |
1234 | /* Update access-list for distribute-list. */ | |
996c9314 LB |
1235 | DISTRIBUTE_LIST(ospf, type) = |
1236 | access_list_lookup( | |
1237 | AFI_IP, | |
1238 | DISTRIBUTE_NAME(ospf, type)); | |
b5a8894d CS |
1239 | |
1240 | /* No update for this distribute type. */ | |
996c9314 LB |
1241 | if (old == NULL |
1242 | && DISTRIBUTE_LIST(ospf, type) == NULL) | |
b5a8894d CS |
1243 | continue; |
1244 | ||
1245 | /* Schedule distribute-list update timer. */ | |
1246 | if (DISTRIBUTE_LIST(ospf, type) == NULL | |
996c9314 LB |
1247 | || strcmp(DISTRIBUTE_NAME(ospf, type), |
1248 | access->name) | |
1249 | == 0) | |
1250 | ospf_distribute_list_update(ospf, type, | |
1251 | 0); | |
b5a8894d | 1252 | } |
d62a17ae | 1253 | } |
d62a17ae | 1254 | |
b5a8894d CS |
1255 | /* Update Area access-list. */ |
1256 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1257 | if (EXPORT_NAME(area)) { | |
1258 | EXPORT_LIST(area) = NULL; | |
1259 | abr_inv++; | |
1260 | } | |
d62a17ae | 1261 | |
b5a8894d CS |
1262 | if (IMPORT_NAME(area)) { |
1263 | IMPORT_LIST(area) = NULL; | |
1264 | abr_inv++; | |
1265 | } | |
d62a17ae | 1266 | } |
d62a17ae | 1267 | |
b5a8894d CS |
1268 | /* Schedule ABR tasks -- this will be changed -- takada. */ |
1269 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1270 | ospf_schedule_abr_task(ospf); | |
1271 | } | |
718e3744 | 1272 | } |
dd669bb0 | 1273 | |
1274 | /* If prefix-list is updated, do some updates. */ | |
d62a17ae | 1275 | void ospf_prefix_list_update(struct prefix_list *plist) |
dd669bb0 | 1276 | { |
b5a8894d | 1277 | struct ospf *ospf = NULL; |
d62a17ae | 1278 | int type; |
1279 | int abr_inv = 0; | |
1280 | struct ospf_area *area; | |
b5a8894d | 1281 | struct listnode *node, *n1; |
d62a17ae | 1282 | |
1283 | /* If OSPF instatnce does not exist, return right now. */ | |
b5a8894d | 1284 | if (listcount(om->ospf) == 0) |
d62a17ae | 1285 | return; |
1286 | ||
b5a8894d CS |
1287 | /* Iterate all ospf [VRF] instances */ |
1288 | for (ALL_LIST_ELEMENTS_RO(om->ospf, n1, ospf)) { | |
1289 | ||
1290 | /* Update all route-maps which are used | |
1291 | * as redistribution filters. | |
1292 | * They might use prefix-list. | |
1293 | */ | |
1294 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1295 | struct list *red_list; | |
1296 | struct listnode *node; | |
1297 | struct ospf_redist *red; | |
1298 | ||
1299 | red_list = ospf->redist[type]; | |
1300 | if (red_list) { | |
996c9314 LB |
1301 | for (ALL_LIST_ELEMENTS_RO(red_list, node, |
1302 | red)) { | |
b5a8894d CS |
1303 | if (ROUTEMAP(red)) { |
1304 | /* if route-map is not NULL | |
1305 | * it may be using | |
1306 | * this prefix list */ | |
1307 | ospf_distribute_list_update( | |
1308 | ospf, type, | |
1309 | red->instance); | |
1310 | } | |
d62a17ae | 1311 | } |
1312 | } | |
b5a8894d | 1313 | } |
d62a17ae | 1314 | |
b5a8894d CS |
1315 | /* Update area filter-lists. */ |
1316 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1317 | /* Update filter-list in. */ | |
1318 | if (PREFIX_NAME_IN(area)) | |
1319 | if (strcmp(PREFIX_NAME_IN(area), | |
996c9314 LB |
1320 | prefix_list_name(plist)) |
1321 | == 0) { | |
b5a8894d CS |
1322 | PREFIX_LIST_IN(area) = |
1323 | prefix_list_lookup( | |
996c9314 LB |
1324 | AFI_IP, |
1325 | PREFIX_NAME_IN(area)); | |
b5a8894d CS |
1326 | abr_inv++; |
1327 | } | |
d62a17ae | 1328 | |
b5a8894d CS |
1329 | /* Update filter-list out. */ |
1330 | if (PREFIX_NAME_OUT(area)) | |
1331 | if (strcmp(PREFIX_NAME_OUT(area), | |
996c9314 LB |
1332 | prefix_list_name(plist)) |
1333 | == 0) { | |
b5a8894d CS |
1334 | PREFIX_LIST_IN(area) = |
1335 | prefix_list_lookup( | |
996c9314 LB |
1336 | AFI_IP, |
1337 | PREFIX_NAME_OUT(area)); | |
b5a8894d CS |
1338 | abr_inv++; |
1339 | } | |
1340 | } | |
d62a17ae | 1341 | |
b5a8894d CS |
1342 | /* Schedule ABR task. */ |
1343 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1344 | ospf_schedule_abr_task(ospf); | |
1345 | } | |
dd669bb0 | 1346 | } |
cf795c5d | 1347 | |
d62a17ae | 1348 | static struct ospf_distance *ospf_distance_new(void) |
718e3744 | 1349 | { |
d62a17ae | 1350 | return XCALLOC(MTYPE_OSPF_DISTANCE, sizeof(struct ospf_distance)); |
718e3744 | 1351 | } |
1352 | ||
d62a17ae | 1353 | static void ospf_distance_free(struct ospf_distance *odistance) |
718e3744 | 1354 | { |
d62a17ae | 1355 | XFREE(MTYPE_OSPF_DISTANCE, odistance); |
718e3744 | 1356 | } |
1357 | ||
d62a17ae | 1358 | int ospf_distance_set(struct vty *vty, struct ospf *ospf, |
1359 | const char *distance_str, const char *ip_str, | |
1360 | const char *access_list_str) | |
718e3744 | 1361 | { |
d62a17ae | 1362 | int ret; |
1363 | struct prefix_ipv4 p; | |
d7c0a89a | 1364 | uint8_t distance; |
d62a17ae | 1365 | struct route_node *rn; |
1366 | struct ospf_distance *odistance; | |
1367 | ||
1368 | ret = str2prefix_ipv4(ip_str, &p); | |
1369 | if (ret == 0) { | |
1370 | vty_out(vty, "Malformed prefix\n"); | |
1371 | return CMD_WARNING_CONFIG_FAILED; | |
1372 | } | |
1373 | ||
1374 | distance = atoi(distance_str); | |
1375 | ||
1376 | /* Get OSPF distance node. */ | |
1377 | rn = route_node_get(ospf->distance_table, (struct prefix *)&p); | |
1378 | if (rn->info) { | |
1379 | odistance = rn->info; | |
1380 | route_unlock_node(rn); | |
1381 | } else { | |
1382 | odistance = ospf_distance_new(); | |
1383 | rn->info = odistance; | |
1384 | } | |
1385 | ||
1386 | /* Set distance value. */ | |
1387 | odistance->distance = distance; | |
1388 | ||
1389 | /* Reset access-list configuration. */ | |
1390 | if (odistance->access_list) { | |
1391 | free(odistance->access_list); | |
1392 | odistance->access_list = NULL; | |
1393 | } | |
1394 | if (access_list_str) | |
1395 | odistance->access_list = strdup(access_list_str); | |
1396 | ||
1397 | return CMD_SUCCESS; | |
718e3744 | 1398 | } |
1399 | ||
d62a17ae | 1400 | int ospf_distance_unset(struct vty *vty, struct ospf *ospf, |
1401 | const char *distance_str, const char *ip_str, | |
1402 | char const *access_list_str) | |
718e3744 | 1403 | { |
d62a17ae | 1404 | int ret; |
1405 | struct prefix_ipv4 p; | |
1406 | struct route_node *rn; | |
1407 | struct ospf_distance *odistance; | |
1408 | ||
1409 | ret = str2prefix_ipv4(ip_str, &p); | |
1410 | if (ret == 0) { | |
1411 | vty_out(vty, "Malformed prefix\n"); | |
1412 | return CMD_WARNING_CONFIG_FAILED; | |
1413 | } | |
1414 | ||
1415 | rn = route_node_lookup(ospf->distance_table, (struct prefix *)&p); | |
1416 | if (!rn) { | |
1417 | vty_out(vty, "Can't find specified prefix\n"); | |
1418 | return CMD_WARNING_CONFIG_FAILED; | |
1419 | } | |
1420 | ||
1421 | odistance = rn->info; | |
1422 | ||
1423 | if (odistance->access_list) | |
1424 | free(odistance->access_list); | |
1425 | ospf_distance_free(odistance); | |
1426 | ||
1427 | rn->info = NULL; | |
1428 | route_unlock_node(rn); | |
1429 | route_unlock_node(rn); | |
1430 | ||
1431 | return CMD_SUCCESS; | |
718e3744 | 1432 | } |
1433 | ||
d62a17ae | 1434 | void ospf_distance_reset(struct ospf *ospf) |
718e3744 | 1435 | { |
d62a17ae | 1436 | struct route_node *rn; |
1437 | struct ospf_distance *odistance; | |
1438 | ||
1439 | for (rn = route_top(ospf->distance_table); rn; rn = route_next(rn)) | |
1440 | if ((odistance = rn->info) != NULL) { | |
1441 | if (odistance->access_list) | |
1442 | free(odistance->access_list); | |
1443 | ospf_distance_free(odistance); | |
1444 | rn->info = NULL; | |
1445 | route_unlock_node(rn); | |
1446 | } | |
718e3744 | 1447 | } |
1448 | ||
d7c0a89a QY |
1449 | uint8_t ospf_distance_apply(struct ospf *ospf, struct prefix_ipv4 *p, |
1450 | struct ospf_route * or) | |
718e3744 | 1451 | { |
718e3744 | 1452 | |
d62a17ae | 1453 | if (ospf == NULL) |
1454 | return 0; | |
718e3744 | 1455 | |
d62a17ae | 1456 | if (ospf->distance_intra) |
1457 | if (or->path_type == OSPF_PATH_INTRA_AREA) | |
1458 | return ospf->distance_intra; | |
718e3744 | 1459 | |
d62a17ae | 1460 | if (ospf->distance_inter) |
1461 | if (or->path_type == OSPF_PATH_INTER_AREA) | |
1462 | return ospf->distance_inter; | |
718e3744 | 1463 | |
d62a17ae | 1464 | if (ospf->distance_external) |
1465 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL || | |
1466 | or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
1467 | return ospf->distance_external; | |
cf795c5d | 1468 | |
d62a17ae | 1469 | if (ospf->distance_all) |
1470 | return ospf->distance_all; | |
718e3744 | 1471 | |
d62a17ae | 1472 | return 0; |
718e3744 | 1473 | } |
1474 | ||
b5a8894d CS |
1475 | void ospf_zebra_vrf_register(struct ospf *ospf) |
1476 | { | |
1477 | if (!zclient || zclient->sock < 0 || !ospf) | |
1478 | return; | |
1479 | ||
6021c6c0 | 1480 | if (ospf->vrf_id != VRF_UNKNOWN) { |
b5a8894d CS |
1481 | if (IS_DEBUG_OSPF_EVENT) |
1482 | zlog_debug("%s: Register VRF %s id %u", | |
1483 | __PRETTY_FUNCTION__, | |
1484 | ospf_vrf_id_to_name(ospf->vrf_id), | |
1485 | ospf->vrf_id); | |
1486 | zclient_send_reg_requests(zclient, ospf->vrf_id); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | void ospf_zebra_vrf_deregister(struct ospf *ospf) | |
1491 | { | |
1492 | if (!zclient || zclient->sock < 0 || !ospf) | |
1493 | return; | |
1494 | ||
1495 | if (ospf->vrf_id != VRF_DEFAULT && ospf->vrf_id != VRF_UNKNOWN) { | |
1496 | if (IS_DEBUG_OSPF_EVENT) | |
6021c6c0 | 1497 | zlog_debug("%s: De-Register VRF %s id %u to Zebra.", |
b5a8894d CS |
1498 | __PRETTY_FUNCTION__, |
1499 | ospf_vrf_id_to_name(ospf->vrf_id), | |
1500 | ospf->vrf_id); | |
1501 | /* Deregister for router-id, interfaces, | |
1502 | * redistributed routes. */ | |
1503 | zclient_send_dereg_requests(zclient, ospf->vrf_id); | |
1504 | } | |
1505 | } | |
d62a17ae | 1506 | static void ospf_zebra_connected(struct zclient *zclient) |
7076bb2f | 1507 | { |
d62a17ae | 1508 | /* Send the client registration */ |
1509 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 1510 | |
d62a17ae | 1511 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
1512 | } |
1513 | ||
d7c0a89a | 1514 | void ospf_zebra_init(struct thread_master *master, unsigned short instance) |
718e3744 | 1515 | { |
d62a17ae | 1516 | /* Allocate zebra structure. */ |
e1a1880d | 1517 | zclient = zclient_new_notify(master, &zclient_options_default); |
342213ea | 1518 | zclient_init(zclient, ZEBRA_ROUTE_OSPF, instance, &ospfd_privs); |
d62a17ae | 1519 | zclient->zebra_connected = ospf_zebra_connected; |
1520 | zclient->router_id_update = ospf_router_id_update_zebra; | |
1521 | zclient->interface_add = ospf_interface_add; | |
1522 | zclient->interface_delete = ospf_interface_delete; | |
1523 | zclient->interface_up = ospf_interface_state_up; | |
1524 | zclient->interface_down = ospf_interface_state_down; | |
1525 | zclient->interface_address_add = ospf_interface_address_add; | |
1526 | zclient->interface_address_delete = ospf_interface_address_delete; | |
1527 | zclient->interface_link_params = ospf_interface_link_params; | |
b5a8894d | 1528 | zclient->interface_vrf_update = ospf_interface_vrf_update; |
d62a17ae | 1529 | |
74489921 RW |
1530 | zclient->redistribute_route_add = ospf_zebra_read_route; |
1531 | zclient->redistribute_route_del = ospf_zebra_read_route; | |
d62a17ae | 1532 | |
1533 | access_list_add_hook(ospf_filter_update); | |
1534 | access_list_delete_hook(ospf_filter_update); | |
1535 | prefix_list_add_hook(ospf_prefix_list_update); | |
1536 | prefix_list_delete_hook(ospf_prefix_list_update); | |
718e3744 | 1537 | } |