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