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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. */ | |
121f9dee | 68 | static int ospf_router_id_update_zebra(ZAPI_CALLBACK_ARGS) |
18a6dce6 | 69 | { |
b5a8894d | 70 | struct ospf *ospf = NULL; |
d62a17ae | 71 | struct prefix router_id; |
72 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
73 | ||
74 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
75 | char buf[PREFIX2STR_BUFFER]; | |
76 | prefix2str(&router_id, buf, sizeof(buf)); | |
996c9314 LB |
77 | zlog_debug("Zebra rcvd: router id update %s vrf %s id %u", buf, |
78 | ospf_vrf_id_to_name(vrf_id), vrf_id); | |
d62a17ae | 79 | } |
80 | ||
b5a8894d | 81 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
d62a17ae | 82 | |
6021c6c0 CS |
83 | if (ospf != NULL) { |
84 | ospf->router_id_zebra = router_id.u.prefix4; | |
d62a17ae | 85 | ospf_router_id_update(ospf); |
6021c6c0 | 86 | } else { |
b5a8894d CS |
87 | if (IS_DEBUG_OSPF_EVENT) { |
88 | char buf[PREFIX2STR_BUFFER]; | |
89 | ||
90 | prefix2str(&router_id, buf, sizeof(buf)); | |
996c9314 LB |
91 | zlog_debug( |
92 | "%s: ospf instance not found for vrf %s id %u router_id %s", | |
93 | __PRETTY_FUNCTION__, | |
94 | ospf_vrf_id_to_name(vrf_id), vrf_id, buf); | |
b5a8894d CS |
95 | } |
96 | } | |
d62a17ae | 97 | return 0; |
18a6dce6 | 98 | } |
718e3744 | 99 | |
100 | /* Inteface addition message from zebra. */ | |
121f9dee | 101 | static int ospf_interface_add(ZAPI_CALLBACK_ARGS) |
718e3744 | 102 | { |
b5a8894d CS |
103 | struct interface *ifp = NULL; |
104 | struct ospf *ospf = NULL; | |
718e3744 | 105 | |
d62a17ae | 106 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); |
43b8d1d8 CS |
107 | if (ifp == NULL) |
108 | return 0; | |
718e3744 | 109 | |
d62a17ae | 110 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
111 | zlog_debug( | |
96065dc3 | 112 | "Zebra: interface add %s vrf %s[%u] index %d flags %llx metric %d mtu %d speed %u", |
b5a8894d CS |
113 | ifp->name, ospf_vrf_id_to_name(ifp->vrf_id), |
114 | ifp->vrf_id, ifp->ifindex, | |
96065dc3 CS |
115 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu, |
116 | ifp->speed); | |
718e3744 | 117 | |
d62a17ae | 118 | assert(ifp->info); |
f2c80652 | 119 | |
bcfdc787 QY |
120 | if (IF_DEF_PARAMS(ifp) |
121 | && !OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(ifp), type)) { | |
d62a17ae | 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 | 129 | |
96065dc3 CS |
130 | ospf_if_recalculate_output_cost(ifp); |
131 | ||
b5a8894d | 132 | ospf_if_update(ospf, ifp); |
718e3744 | 133 | |
d62a17ae | 134 | hook_call(ospf_if_update, ifp); |
718e3744 | 135 | |
d62a17ae | 136 | return 0; |
718e3744 | 137 | } |
138 | ||
121f9dee | 139 | static int ospf_interface_delete(ZAPI_CALLBACK_ARGS) |
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 (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
153 | zlog_debug( | |
b5a8894d CS |
154 | "Zebra: interface delete %s vrf %s[%u] index %d flags %llx metric %d mtu %d", |
155 | ifp->name, ospf_vrf_id_to_name(ifp->vrf_id), | |
156 | ifp->vrf_id, ifp->ifindex, | |
d62a17ae | 157 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu); |
718e3744 | 158 | |
d62a17ae | 159 | hook_call(ospf_if_delete, ifp); |
718e3744 | 160 | |
d62a17ae | 161 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) |
162 | if (rn->info) | |
163 | ospf_if_free((struct ospf_interface *)rn->info); | |
718e3744 | 164 | |
ff880b78 | 165 | if_set_index(ifp, IFINDEX_INTERNAL); |
d62a17ae | 166 | return 0; |
718e3744 | 167 | } |
168 | ||
d62a17ae | 169 | static struct interface *zebra_interface_if_lookup(struct stream *s, |
170 | vrf_id_t vrf_id) | |
718e3744 | 171 | { |
d62a17ae | 172 | char ifname_tmp[INTERFACE_NAMSIZ]; |
718e3744 | 173 | |
d62a17ae | 174 | /* Read interface name. */ |
175 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
718e3744 | 176 | |
d62a17ae | 177 | /* And look it up. */ |
bcc24579 | 178 | return if_lookup_by_name(ifname_tmp, vrf_id); |
718e3744 | 179 | } |
180 | ||
121f9dee | 181 | static int ospf_interface_state_up(ZAPI_CALLBACK_ARGS) |
718e3744 | 182 | { |
d62a17ae | 183 | struct interface *ifp; |
184 | struct ospf_interface *oi; | |
185 | struct route_node *rn; | |
186 | ||
187 | ifp = zebra_interface_if_lookup(zclient->ibuf, vrf_id); | |
188 | ||
189 | if (ifp == NULL) | |
190 | return 0; | |
191 | ||
192 | /* Interface is already up. */ | |
193 | if (if_is_operative(ifp)) { | |
194 | /* Temporarily keep ifp values. */ | |
195 | struct interface if_tmp; | |
196 | memcpy(&if_tmp, ifp, sizeof(struct interface)); | |
197 | ||
198 | zebra_interface_if_set_value(zclient->ibuf, ifp); | |
199 | ||
200 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
201 | zlog_debug( | |
202 | "Zebra: Interface[%s] state update speed %u -> %u, bw %d -> %d", | |
203 | ifp->name, if_tmp.speed, ifp->speed, | |
204 | if_tmp.bandwidth, ifp->bandwidth); | |
205 | ||
206 | ospf_if_recalculate_output_cost(ifp); | |
207 | ||
208 | if (if_tmp.mtu != ifp->mtu) { | |
209 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
210 | zlog_debug( | |
211 | "Zebra: Interface[%s] MTU change %u -> %u.", | |
212 | ifp->name, if_tmp.mtu, ifp->mtu); | |
213 | ||
214 | /* Must reset the interface (simulate down/up) when MTU | |
215 | * changes. */ | |
216 | ospf_if_reset(ifp); | |
217 | } | |
218 | return 0; | |
a608bbf2 | 219 | } |
cf795c5d | 220 | |
d62a17ae | 221 | zebra_interface_if_set_value(zclient->ibuf, ifp); |
cf795c5d | 222 | |
d62a17ae | 223 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
224 | zlog_debug("Zebra: Interface[%s] state change to up.", | |
225 | ifp->name); | |
cf795c5d | 226 | |
d62a17ae | 227 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) { |
228 | if ((oi = rn->info) == NULL) | |
229 | continue; | |
cf795c5d | 230 | |
d62a17ae | 231 | ospf_if_up(oi); |
232 | } | |
cf795c5d | 233 | |
d62a17ae | 234 | return 0; |
718e3744 | 235 | } |
236 | ||
121f9dee | 237 | static int ospf_interface_state_down(ZAPI_CALLBACK_ARGS) |
718e3744 | 238 | { |
d62a17ae | 239 | struct interface *ifp; |
240 | struct ospf_interface *oi; | |
241 | struct route_node *node; | |
718e3744 | 242 | |
d62a17ae | 243 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); |
718e3744 | 244 | |
d62a17ae | 245 | if (ifp == NULL) |
246 | return 0; | |
718e3744 | 247 | |
d62a17ae | 248 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
249 | zlog_debug("Zebra: Interface[%s] state change to down.", | |
250 | ifp->name); | |
718e3744 | 251 | |
d62a17ae | 252 | for (node = route_top(IF_OIFS(ifp)); node; node = route_next(node)) { |
253 | if ((oi = node->info) == NULL) | |
254 | continue; | |
255 | ospf_if_down(oi); | |
256 | } | |
718e3744 | 257 | |
d62a17ae | 258 | return 0; |
718e3744 | 259 | } |
260 | ||
121f9dee | 261 | static int ospf_interface_address_add(ZAPI_CALLBACK_ARGS) |
718e3744 | 262 | { |
d62a17ae | 263 | struct connected *c; |
b5a8894d CS |
264 | struct ospf *ospf = NULL; |
265 | ||
718e3744 | 266 | |
121f9dee | 267 | c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
718e3744 | 268 | |
d62a17ae | 269 | if (c == NULL) |
270 | return 0; | |
718e3744 | 271 | |
d62a17ae | 272 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { |
273 | char buf[PREFIX2STR_BUFFER]; | |
274 | prefix2str(c->address, buf, sizeof(buf)); | |
b5a8894d CS |
275 | zlog_debug("Zebra: interface %s address add %s vrf %s id %u", |
276 | c->ifp->name, buf, ospf_vrf_id_to_name(vrf_id), | |
277 | vrf_id); | |
d62a17ae | 278 | } |
7f643ebf | 279 | |
b5a8894d | 280 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
43b8d1d8 CS |
281 | if (!ospf) |
282 | return 0; | |
b5a8894d CS |
283 | |
284 | ospf_if_update(ospf, c->ifp); | |
718e3744 | 285 | |
d62a17ae | 286 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 287 | |
d62a17ae | 288 | return 0; |
718e3744 | 289 | } |
290 | ||
121f9dee | 291 | static int ospf_interface_address_delete(ZAPI_CALLBACK_ARGS) |
718e3744 | 292 | { |
d62a17ae | 293 | struct connected *c; |
294 | struct interface *ifp; | |
295 | struct ospf_interface *oi; | |
296 | struct route_node *rn; | |
297 | struct prefix p; | |
298 | ||
121f9dee | 299 | c = zebra_interface_address_read(cmd, zclient->ibuf, vrf_id); |
d62a17ae | 300 | |
301 | if (c == NULL) | |
302 | return 0; | |
303 | ||
304 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
305 | char buf[PREFIX2STR_BUFFER]; | |
306 | prefix2str(c->address, buf, sizeof(buf)); | |
307 | zlog_debug("Zebra: interface %s address delete %s", | |
308 | c->ifp->name, buf); | |
309 | } | |
7f643ebf | 310 | |
d62a17ae | 311 | ifp = c->ifp; |
312 | p = *c->address; | |
313 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
718e3744 | 314 | |
d62a17ae | 315 | rn = route_node_lookup(IF_OIFS(ifp), &p); |
316 | if (!rn) { | |
317 | connected_free(c); | |
318 | return 0; | |
319 | } | |
718e3744 | 320 | |
d62a17ae | 321 | assert(rn->info); |
322 | oi = rn->info; | |
323 | route_unlock_node(rn); | |
cf795c5d | 324 | |
d62a17ae | 325 | /* Call interface hook functions to clean up */ |
326 | ospf_if_free(oi); | |
cf795c5d | 327 | |
d62a17ae | 328 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 329 | |
d62a17ae | 330 | connected_free(c); |
718e3744 | 331 | |
d62a17ae | 332 | return 0; |
718e3744 | 333 | } |
72357f2b | 334 | |
121f9dee | 335 | static int ospf_interface_link_params(ZAPI_CALLBACK_ARGS) |
16f1b9ee | 336 | { |
d62a17ae | 337 | struct interface *ifp; |
16f1b9ee | 338 | |
edc12762 | 339 | ifp = zebra_interface_link_params_read(zclient->ibuf, vrf_id); |
16f1b9ee | 340 | |
d62a17ae | 341 | if (ifp == NULL) |
342 | return 0; | |
16f1b9ee | 343 | |
d62a17ae | 344 | /* Update TE TLV */ |
345 | ospf_mpls_te_update_if(ifp); | |
16f1b9ee | 346 | |
d62a17ae | 347 | return 0; |
16f1b9ee OD |
348 | } |
349 | ||
b5a8894d | 350 | /* VRF update for an interface. */ |
121f9dee | 351 | static int ospf_interface_vrf_update(ZAPI_CALLBACK_ARGS) |
b5a8894d CS |
352 | { |
353 | struct interface *ifp = NULL; | |
354 | vrf_id_t new_vrf_id; | |
16f1b9ee | 355 | |
b5a8894d | 356 | ifp = zebra_interface_vrf_update_read(zclient->ibuf, vrf_id, |
996c9314 | 357 | &new_vrf_id); |
b5a8894d CS |
358 | if (!ifp) |
359 | return 0; | |
360 | ||
361 | if (IS_DEBUG_OSPF_EVENT) | |
996c9314 LB |
362 | zlog_debug( |
363 | "%s: Rx Interface %s VRF change vrf_id %u New vrf %s id %u", | |
364 | __PRETTY_FUNCTION__, ifp->name, vrf_id, | |
365 | ospf_vrf_id_to_name(new_vrf_id), new_vrf_id); | |
b5a8894d CS |
366 | |
367 | /*if_update(ifp, ifp->name, strlen(ifp->name), new_vrf_id);*/ | |
368 | if_update_to_new_vrf(ifp, new_vrf_id); | |
369 | ||
996c9314 | 370 | return 0; |
b5a8894d CS |
371 | } |
372 | ||
373 | void ospf_zebra_add(struct ospf *ospf, struct prefix_ipv4 *p, | |
996c9314 | 374 | struct ospf_route * or) |
718e3744 | 375 | { |
5fef910e RW |
376 | struct zapi_route api; |
377 | struct zapi_nexthop *api_nh; | |
d7c0a89a | 378 | uint8_t distance; |
d62a17ae | 379 | struct ospf_path *path; |
380 | struct listnode *node; | |
5fef910e | 381 | int count = 0; |
d62a17ae | 382 | |
5fef910e | 383 | memset(&api, 0, sizeof(api)); |
b5a8894d | 384 | api.vrf_id = ospf->vrf_id; |
5fef910e RW |
385 | api.type = ZEBRA_ROUTE_OSPF; |
386 | api.instance = ospf->instance; | |
387 | api.safi = SAFI_UNICAST; | |
d00061ea | 388 | |
5fef910e RW |
389 | memcpy(&api.prefix, p, sizeof(*p)); |
390 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
d00061ea | 391 | |
5fef910e RW |
392 | /* Metric value. */ |
393 | SET_FLAG(api.message, ZAPI_MESSAGE_METRIC); | |
394 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
395 | api.metric = or->cost + or->u.ext.type2_cost; | |
396 | else if (or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
397 | api.metric = or->u.ext.type2_cost; | |
398 | else | |
399 | api.metric = or->cost; | |
d00061ea RW |
400 | |
401 | /* Check if path type is ASE */ | |
402 | if (((or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
403 | || (or->path_type == OSPF_PATH_TYPE2_EXTERNAL)) | |
5fef910e RW |
404 | && (or->u.ext.tag > 0) && (or->u.ext.tag <= ROUTE_TAG_MAX)) { |
405 | SET_FLAG(api.message, ZAPI_MESSAGE_TAG); | |
406 | api.tag = or->u.ext.tag; | |
407 | } | |
d00061ea | 408 | |
5fef910e | 409 | /* Distance value. */ |
b5a8894d | 410 | distance = ospf_distance_apply(ospf, p, or); |
5fef910e RW |
411 | if (distance) { |
412 | SET_FLAG(api.message, ZAPI_MESSAGE_DISTANCE); | |
413 | api.distance = distance; | |
414 | } | |
d00061ea RW |
415 | |
416 | /* Nexthop, ifindex, distance and metric information. */ | |
417 | for (ALL_LIST_ELEMENTS_RO(or->paths, node, path)) { | |
a74e593b RW |
418 | if (count >= MULTIPATH_NUM) |
419 | break; | |
5fef910e | 420 | api_nh = &api.nexthops[count]; |
525c1839 | 421 | #ifdef HAVE_NETLINK |
d00061ea RW |
422 | if (path->unnumbered || (path->nexthop.s_addr != INADDR_ANY |
423 | && path->ifindex != 0)) { | |
525c1839 | 424 | #else /* HAVE_NETLINK */ |
d00061ea | 425 | if (path->nexthop.s_addr != INADDR_ANY && path->ifindex != 0) { |
5fef910e RW |
426 | #endif /* HAVE_NETLINK */ |
427 | api_nh->gate.ipv4 = path->nexthop; | |
428 | api_nh->ifindex = path->ifindex; | |
429 | api_nh->type = NEXTHOP_TYPE_IPV4_IFINDEX; | |
d00061ea | 430 | } else if (path->nexthop.s_addr != INADDR_ANY) { |
5fef910e RW |
431 | api_nh->gate.ipv4 = path->nexthop; |
432 | api_nh->type = NEXTHOP_TYPE_IPV4; | |
d00061ea | 433 | } else { |
5fef910e RW |
434 | api_nh->ifindex = path->ifindex; |
435 | api_nh->type = NEXTHOP_TYPE_IFINDEX; | |
d00061ea | 436 | } |
4a7371e9 | 437 | api_nh->vrf_id = ospf->vrf_id; |
5fef910e | 438 | count++; |
72357f2b | 439 | |
d00061ea | 440 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
96065dc3 CS |
441 | char buf[2][INET_ADDRSTRLEN]; |
442 | struct interface *ifp; | |
443 | ||
444 | ifp = if_lookup_by_index(path->ifindex, ospf->vrf_id); | |
4259ea81 | 445 | |
d00061ea | 446 | zlog_debug( |
96065dc3 | 447 | "Zebra: Route add %s nexthop %s, ifindex=%d %s", |
4259ea81 MS |
448 | prefix2str(p, buf[0], sizeof(buf[0])), |
449 | inet_ntop(AF_INET, &path->nexthop, | |
450 | buf[1], sizeof(buf[1])), | |
96065dc3 | 451 | path->ifindex, ifp ? ifp->name : " "); |
d62a17ae | 452 | } |
d00061ea | 453 | } |
a74e593b | 454 | api.nexthop_num = count; |
d62a17ae | 455 | |
5fef910e | 456 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
718e3744 | 457 | } |
458 | ||
b5a8894d | 459 | void ospf_zebra_delete(struct ospf *ospf, struct prefix_ipv4 *p, |
996c9314 | 460 | struct ospf_route * or) |
718e3744 | 461 | { |
5fef910e | 462 | struct zapi_route api; |
d62a17ae | 463 | |
5fef910e | 464 | memset(&api, 0, sizeof(api)); |
b5a8894d | 465 | api.vrf_id = ospf->vrf_id; |
5fef910e RW |
466 | api.type = ZEBRA_ROUTE_OSPF; |
467 | api.instance = ospf->instance; | |
468 | api.safi = SAFI_UNICAST; | |
469 | memcpy(&api.prefix, p, sizeof(*p)); | |
d62a17ae | 470 | |
5fef910e | 471 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
4259ea81 MS |
472 | char buf[PREFIX2STR_BUFFER]; |
473 | zlog_debug("Zebra: Route delete %s", | |
474 | prefix2str(p, buf, sizeof(buf))); | |
ba281d3d | 475 | } |
d00061ea | 476 | |
5fef910e | 477 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
718e3744 | 478 | } |
479 | ||
b5a8894d | 480 | void ospf_zebra_add_discard(struct ospf *ospf, struct prefix_ipv4 *p) |
718e3744 | 481 | { |
5fef910e | 482 | struct zapi_route api; |
d62a17ae | 483 | |
5fef910e | 484 | memset(&api, 0, sizeof(api)); |
b5a8894d | 485 | api.vrf_id = ospf->vrf_id; |
d00061ea RW |
486 | api.type = ZEBRA_ROUTE_OSPF; |
487 | api.instance = ospf->instance; | |
d00061ea | 488 | api.safi = SAFI_UNICAST; |
5fef910e | 489 | memcpy(&api.prefix, p, sizeof(*p)); |
09a484dd | 490 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 491 | |
5fef910e | 492 | zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api); |
d00061ea | 493 | |
4259ea81 MS |
494 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
495 | char buf[PREFIX2STR_BUFFER]; | |
496 | zlog_debug("Zebra: Route add discard %s", | |
497 | prefix2str(p, buf, sizeof(buf))); | |
498 | } | |
718e3744 | 499 | } |
500 | ||
b5a8894d | 501 | void ospf_zebra_delete_discard(struct ospf *ospf, struct prefix_ipv4 *p) |
718e3744 | 502 | { |
5fef910e | 503 | struct zapi_route api; |
d62a17ae | 504 | |
5fef910e | 505 | memset(&api, 0, sizeof(api)); |
b5a8894d | 506 | api.vrf_id = ospf->vrf_id; |
d00061ea RW |
507 | api.type = ZEBRA_ROUTE_OSPF; |
508 | api.instance = ospf->instance; | |
d00061ea | 509 | api.safi = SAFI_UNICAST; |
5fef910e | 510 | memcpy(&api.prefix, p, sizeof(*p)); |
09a484dd | 511 | zapi_route_set_blackhole(&api, BLACKHOLE_NULL); |
d00061ea | 512 | |
5fef910e | 513 | zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api); |
d00061ea | 514 | |
4259ea81 MS |
515 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
516 | char buf[PREFIX2STR_BUFFER]; | |
517 | zlog_debug("Zebra: Route delete discard %s", | |
518 | prefix2str(p, buf, sizeof(buf))); | |
519 | } | |
718e3744 | 520 | } |
521 | ||
d7c0a89a QY |
522 | struct ospf_external *ospf_external_lookup(struct ospf *ospf, uint8_t type, |
523 | unsigned short instance) | |
7c8ff89e | 524 | { |
d62a17ae | 525 | struct list *ext_list; |
526 | struct listnode *node; | |
527 | struct ospf_external *ext; | |
7c8ff89e | 528 | |
de1ac5fd | 529 | ext_list = ospf->external[type]; |
d62a17ae | 530 | if (!ext_list) |
531 | return (NULL); | |
7c8ff89e | 532 | |
d62a17ae | 533 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) |
534 | if (ext->instance == instance) | |
535 | return ext; | |
7c8ff89e | 536 | |
d62a17ae | 537 | return NULL; |
7c8ff89e DS |
538 | } |
539 | ||
d7c0a89a QY |
540 | struct ospf_external *ospf_external_add(struct ospf *ospf, uint8_t type, |
541 | unsigned short instance) | |
7c8ff89e | 542 | { |
d62a17ae | 543 | struct list *ext_list; |
544 | struct ospf_external *ext; | |
7c8ff89e | 545 | |
de1ac5fd | 546 | ext = ospf_external_lookup(ospf, type, instance); |
d62a17ae | 547 | if (ext) |
548 | return ext; | |
7c8ff89e | 549 | |
de1ac5fd CS |
550 | if (!ospf->external[type]) |
551 | ospf->external[type] = list_new(); | |
7c8ff89e | 552 | |
de1ac5fd | 553 | ext_list = ospf->external[type]; |
9f5dc319 | 554 | ext = XCALLOC(MTYPE_OSPF_EXTERNAL, sizeof(struct ospf_external)); |
d62a17ae | 555 | ext->instance = instance; |
556 | EXTERNAL_INFO(ext) = route_table_init(); | |
7c8ff89e | 557 | |
d62a17ae | 558 | listnode_add(ext_list, ext); |
7c8ff89e | 559 | |
d62a17ae | 560 | return ext; |
7c8ff89e DS |
561 | } |
562 | ||
d7c0a89a | 563 | void ospf_external_del(struct ospf *ospf, uint8_t type, unsigned short instance) |
7c8ff89e | 564 | { |
d62a17ae | 565 | struct ospf_external *ext; |
566 | ||
de1ac5fd | 567 | ext = ospf_external_lookup(ospf, type, instance); |
d62a17ae | 568 | |
569 | if (ext) { | |
570 | if (EXTERNAL_INFO(ext)) | |
571 | route_table_finish(EXTERNAL_INFO(ext)); | |
572 | ||
de1ac5fd CS |
573 | listnode_delete(ospf->external[type], ext); |
574 | ||
575 | if (!ospf->external[type]->count) | |
6a154c88 | 576 | list_delete(&ospf->external[type]); |
de1ac5fd | 577 | |
7f586094 | 578 | XFREE(MTYPE_OSPF_EXTERNAL, ext); |
d62a17ae | 579 | } |
7c8ff89e DS |
580 | } |
581 | ||
d7c0a89a QY |
582 | struct ospf_redist *ospf_redist_lookup(struct ospf *ospf, uint8_t type, |
583 | unsigned short instance) | |
7c8ff89e | 584 | { |
d62a17ae | 585 | struct list *red_list; |
586 | struct listnode *node; | |
587 | struct ospf_redist *red; | |
7c8ff89e | 588 | |
d62a17ae | 589 | red_list = ospf->redist[type]; |
590 | if (!red_list) | |
591 | return (NULL); | |
7c8ff89e | 592 | |
d62a17ae | 593 | for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) |
594 | if (red->instance == instance) | |
595 | return red; | |
7c8ff89e | 596 | |
d62a17ae | 597 | return NULL; |
7c8ff89e DS |
598 | } |
599 | ||
d7c0a89a QY |
600 | struct ospf_redist *ospf_redist_add(struct ospf *ospf, uint8_t type, |
601 | unsigned short instance) | |
7c8ff89e | 602 | { |
d62a17ae | 603 | struct list *red_list; |
604 | struct ospf_redist *red; | |
7c8ff89e | 605 | |
d62a17ae | 606 | red = ospf_redist_lookup(ospf, type, instance); |
607 | if (red) | |
608 | return red; | |
7c8ff89e | 609 | |
d62a17ae | 610 | if (!ospf->redist[type]) |
611 | ospf->redist[type] = list_new(); | |
7c8ff89e | 612 | |
d62a17ae | 613 | red_list = ospf->redist[type]; |
9f5dc319 | 614 | red = XCALLOC(MTYPE_OSPF_REDISTRIBUTE, sizeof(struct ospf_redist)); |
d62a17ae | 615 | red->instance = instance; |
616 | red->dmetric.type = -1; | |
617 | red->dmetric.value = -1; | |
1fb93326 | 618 | ROUTEMAP_NAME(red) = NULL; |
619 | ROUTEMAP(red) = NULL; | |
7c8ff89e | 620 | |
d62a17ae | 621 | listnode_add(red_list, red); |
7c8ff89e | 622 | |
d62a17ae | 623 | return red; |
7c8ff89e DS |
624 | } |
625 | ||
d7c0a89a | 626 | void ospf_redist_del(struct ospf *ospf, uint8_t type, unsigned short instance) |
7c8ff89e | 627 | { |
d62a17ae | 628 | struct ospf_redist *red; |
629 | ||
630 | red = ospf_redist_lookup(ospf, type, instance); | |
631 | ||
632 | if (red) { | |
633 | listnode_delete(ospf->redist[type], red); | |
634 | if (!ospf->redist[type]->count) { | |
6a154c88 | 635 | list_delete(&ospf->redist[type]); |
d62a17ae | 636 | } |
97a69b31 | 637 | ospf_routemap_unset(red); |
7f586094 | 638 | XFREE(MTYPE_OSPF_REDISTRIBUTE, red); |
d62a17ae | 639 | } |
7c8ff89e DS |
640 | } |
641 | ||
642 | ||
d7c0a89a QY |
643 | int ospf_is_type_redistributed(struct ospf *ospf, int type, |
644 | unsigned short instance) | |
718e3744 | 645 | { |
d62a17ae | 646 | return (DEFAULT_ROUTE_TYPE(type) |
49db7a7b | 647 | ? vrf_bitmap_check(zclient->default_information[AFI_IP], |
b5a8894d | 648 | ospf->vrf_id) |
d62a17ae | 649 | : ((instance |
650 | && redist_check_instance( | |
651 | &zclient->mi_redist[AFI_IP][type], | |
652 | instance)) | |
653 | || (!instance | |
654 | && vrf_bitmap_check( | |
655 | zclient->redist[AFI_IP][type], | |
b5a8894d | 656 | ospf->vrf_id)))); |
718e3744 | 657 | } |
658 | ||
d7c0a89a | 659 | int ospf_redistribute_set(struct ospf *ospf, int type, unsigned short instance, |
d62a17ae | 660 | int mtype, int mvalue) |
718e3744 | 661 | { |
d62a17ae | 662 | int force = 0; |
663 | struct ospf_redist *red; | |
664 | ||
665 | red = ospf_redist_lookup(ospf, type, instance); | |
162dbe41 | 666 | |
667 | if (red == NULL) { | |
668 | zlog_err( | |
669 | "Redistribute[%s][%d]: Lookup failed Type[%d] , Metric[%d]", | |
670 | ospf_redist_string(type), instance, | |
671 | metric_type(ospf, type, instance), | |
672 | metric_value(ospf, type, instance)); | |
673 | return CMD_WARNING_CONFIG_FAILED; | |
674 | } | |
675 | ||
b5a8894d | 676 | if (ospf_is_type_redistributed(ospf, type, instance)) { |
d62a17ae | 677 | if (mtype != red->dmetric.type) { |
678 | red->dmetric.type = mtype; | |
679 | force = LSA_REFRESH_FORCE; | |
680 | } | |
681 | if (mvalue != red->dmetric.value) { | |
682 | red->dmetric.value = mvalue; | |
683 | force = LSA_REFRESH_FORCE; | |
684 | } | |
685 | ||
686 | ospf_external_lsa_refresh_type(ospf, type, instance, force); | |
687 | ||
688 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
689 | zlog_debug( | |
690 | "Redistribute[%s][%d]: Refresh Type[%d], Metric[%d]", | |
691 | ospf_redist_string(type), instance, | |
692 | metric_type(ospf, type, instance), | |
693 | metric_value(ospf, type, instance)); | |
694 | ||
695 | return CMD_SUCCESS; | |
696 | } | |
697 | ||
698 | red->dmetric.type = mtype; | |
699 | red->dmetric.value = mvalue; | |
700 | ||
de1ac5fd | 701 | ospf_external_add(ospf, type, instance); |
d62a17ae | 702 | |
703 | zclient_redistribute(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, type, | |
b5a8894d | 704 | instance, ospf->vrf_id); |
d62a17ae | 705 | |
706 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
996c9314 LB |
707 | zlog_debug( |
708 | "Redistribute[%s][%d] vrf id %u: Start Type[%d], Metric[%d]", | |
709 | ospf_redist_string(type), instance, ospf->vrf_id, | |
710 | metric_type(ospf, type, instance), | |
711 | metric_value(ospf, type, instance)); | |
d62a17ae | 712 | |
713 | ospf_asbr_status_update(ospf, ++ospf->redistribute); | |
714 | ||
715 | return CMD_SUCCESS; | |
718e3744 | 716 | } |
717 | ||
d7c0a89a QY |
718 | int ospf_redistribute_unset(struct ospf *ospf, int type, |
719 | unsigned short instance) | |
718e3744 | 720 | { |
d62a17ae | 721 | if (type == zclient->redist_default && instance == zclient->instance) |
722 | return CMD_SUCCESS; | |
718e3744 | 723 | |
b5a8894d | 724 | if (!ospf_is_type_redistributed(ospf, type, instance)) |
d62a17ae | 725 | return CMD_SUCCESS; |
718e3744 | 726 | |
d62a17ae | 727 | zclient_redistribute(ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP, type, |
b5a8894d | 728 | instance, ospf->vrf_id); |
cf795c5d | 729 | |
d62a17ae | 730 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
b5a8894d CS |
731 | zlog_debug("Redistribute[%s][%d] vrf id %u: Stop", |
732 | ospf_redist_string(type), instance, ospf->vrf_id); | |
718e3744 | 733 | |
d62a17ae | 734 | /* Remove the routes from OSPF table. */ |
735 | ospf_redistribute_withdraw(ospf, type, instance); | |
7c8ff89e | 736 | |
de1ac5fd | 737 | ospf_external_del(ospf, type, instance); |
718e3744 | 738 | |
d62a17ae | 739 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 740 | |
d62a17ae | 741 | return CMD_SUCCESS; |
718e3744 | 742 | } |
743 | ||
d62a17ae | 744 | int ospf_redistribute_default_set(struct ospf *ospf, int originate, int mtype, |
745 | int mvalue) | |
718e3744 | 746 | { |
1fb93326 | 747 | struct ospf_external *ext; |
748 | struct prefix_ipv4 p; | |
749 | struct in_addr nexthop; | |
750 | int cur_originate = ospf->default_originate; | |
751 | ||
752 | nexthop.s_addr = 0; | |
753 | p.family = AF_INET; | |
754 | p.prefix.s_addr = 0; | |
755 | p.prefixlen = 0; | |
756 | ||
d62a17ae | 757 | ospf->default_originate = originate; |
020709f9 | 758 | |
de1ac5fd | 759 | ospf_external_add(ospf, DEFAULT_ROUTE, 0); |
7c8ff89e | 760 | |
1fb93326 | 761 | if (cur_originate == DEFAULT_ORIGINATE_NONE) { |
762 | /* First time configuration */ | |
763 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
764 | zlog_debug("Redistribute[DEFAULT]: Start Type[%d], Metric[%d]", | |
765 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
766 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
767 | ||
768 | if (ospf->router_id.s_addr == 0) | |
769 | ospf->external_origin |= (1 << DEFAULT_ROUTE); | |
770 | if ((originate == DEFAULT_ORIGINATE_ALWAYS) | |
771 | && (ospf->router_id.s_addr)) { | |
772 | ||
773 | /* always , so originate lsa even it doesn't | |
774 | * exist in RIB. | |
775 | */ | |
776 | ospf_external_info_add(ospf, DEFAULT_ROUTE, 0, | |
777 | p, 0, nexthop, 0); | |
778 | ospf_external_lsa_refresh_default(ospf); | |
779 | ||
780 | } else if (originate == DEFAULT_ORIGINATE_ZEBRA) { | |
781 | /* Send msg to Zebra to validate default route | |
782 | * existance. | |
783 | */ | |
784 | zclient_redistribute_default( | |
49db7a7b RW |
785 | ZEBRA_REDISTRIBUTE_DEFAULT_ADD, zclient, AFI_IP, |
786 | ospf->vrf_id); | |
1fb93326 | 787 | } |
788 | ||
789 | ospf_asbr_status_update(ospf, ++ospf->redistribute); | |
790 | return CMD_SUCCESS; | |
791 | ||
792 | ||
793 | } else if (originate == cur_originate) { | |
794 | /* Refresh the lsa since metric might different */ | |
d62a17ae | 795 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
796 | zlog_debug( | |
797 | "Redistribute[%s]: Refresh Type[%d], Metric[%d]", | |
798 | ospf_redist_string(DEFAULT_ROUTE), | |
799 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
800 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
718e3744 | 801 | |
1fb93326 | 802 | ospf_external_lsa_refresh_default(ospf); |
cf795c5d | 803 | |
1fb93326 | 804 | } else { |
805 | /* "default-info originate always" configured now, | |
806 | * where "default-info originate" configured previoulsly. | |
807 | */ | |
808 | if (originate == DEFAULT_ORIGINATE_ALWAYS) { | |
809 | ||
810 | zclient_redistribute_default( | |
811 | ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, | |
49db7a7b | 812 | zclient, AFI_IP, ospf->vrf_id); |
1fb93326 | 813 | /* here , ex-info should be added since ex-info might |
814 | * have not updated earlier if def route is not exist. | |
815 | * If ex-iinfo ex-info already exist , it will return | |
816 | * smoothly. | |
817 | */ | |
818 | ospf_external_info_add(ospf, DEFAULT_ROUTE, 0, | |
819 | p, 0, nexthop, 0); | |
820 | ospf_external_lsa_refresh_default(ospf); | |
718e3744 | 821 | |
1fb93326 | 822 | } else { |
823 | /* "default-info originate" configured now,where | |
824 | * "default-info originate always" configured | |
825 | * previoulsy. | |
826 | */ | |
766b826f | 827 | |
1fb93326 | 828 | ospf_external_lsa_flush(ospf, DEFAULT_ROUTE, &p, 0); |
718e3744 | 829 | |
1fb93326 | 830 | ext = ospf_external_lookup(ospf, DEFAULT_ROUTE, 0); |
831 | if (ext && EXTERNAL_INFO(ext)) | |
832 | ospf_external_info_delete(ospf, | |
833 | DEFAULT_ROUTE, 0, p); | |
834 | ||
835 | zclient_redistribute_default( | |
836 | ZEBRA_REDISTRIBUTE_DEFAULT_ADD, | |
49db7a7b | 837 | zclient, AFI_IP, ospf->vrf_id); |
1fb93326 | 838 | } |
839 | } | |
718e3744 | 840 | |
d62a17ae | 841 | return CMD_SUCCESS; |
718e3744 | 842 | } |
d62a17ae | 843 | int ospf_redistribute_default_unset(struct ospf *ospf) |
718e3744 | 844 | { |
1fb93326 | 845 | if (ospf->default_originate == DEFAULT_ORIGINATE_ZEBRA) { |
846 | if (!ospf_is_type_redistributed(ospf, DEFAULT_ROUTE, 0)) | |
847 | return CMD_SUCCESS; | |
848 | zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, | |
49db7a7b | 849 | zclient, AFI_IP, ospf->vrf_id); |
1fb93326 | 850 | } |
718e3744 | 851 | |
d62a17ae | 852 | ospf->default_originate = DEFAULT_ORIGINATE_NONE; |
718e3744 | 853 | |
d62a17ae | 854 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
855 | zlog_debug("Redistribute[DEFAULT]: Stop"); | |
cf795c5d | 856 | |
d62a17ae | 857 | // Pending: how does the external_info cleanup work in this case? |
7c8ff89e | 858 | |
d62a17ae | 859 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 860 | |
313919d6 CS |
861 | /* clean up maxage default originate external lsa */ |
862 | ospf_default_originate_lsa_update(ospf); | |
863 | ||
d62a17ae | 864 | return CMD_SUCCESS; |
718e3744 | 865 | } |
866 | ||
d62a17ae | 867 | static int ospf_external_lsa_originate_check(struct ospf *ospf, |
868 | struct external_info *ei) | |
718e3744 | 869 | { |
d62a17ae | 870 | /* If prefix is multicast, then do not originate LSA. */ |
871 | if (IN_MULTICAST(htonl(ei->p.prefix.s_addr))) { | |
872 | zlog_info( | |
873 | "LSA[Type5:%s]: Not originate AS-external-LSA, " | |
874 | "Prefix belongs multicast", | |
875 | inet_ntoa(ei->p.prefix)); | |
876 | return 0; | |
877 | } | |
878 | ||
879 | /* Take care of default-originate. */ | |
880 | if (is_prefix_default(&ei->p)) | |
881 | if (ospf->default_originate == DEFAULT_ORIGINATE_NONE) { | |
882 | zlog_info( | |
883 | "LSA[Type5:0.0.0.0]: Not originate AS-external-LSA " | |
884 | "for default"); | |
885 | return 0; | |
886 | } | |
887 | ||
888 | return 1; | |
718e3744 | 889 | } |
890 | ||
891 | /* If connected prefix is OSPF enable interface, then do not announce. */ | |
d62a17ae | 892 | int ospf_distribute_check_connected(struct ospf *ospf, struct external_info *ei) |
718e3744 | 893 | { |
d62a17ae | 894 | struct listnode *node; |
895 | struct ospf_interface *oi; | |
718e3744 | 896 | |
718e3744 | 897 | |
d62a17ae | 898 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) |
899 | if (prefix_match(oi->address, (struct prefix *)&ei->p)) | |
900 | return 0; | |
901 | return 1; | |
718e3744 | 902 | } |
903 | ||
904 | /* return 1 if external LSA must be originated, 0 otherwise */ | |
d62a17ae | 905 | int ospf_redistribute_check(struct ospf *ospf, struct external_info *ei, |
906 | int *changed) | |
718e3744 | 907 | { |
d62a17ae | 908 | struct route_map_set_values save_values; |
909 | struct prefix_ipv4 *p = &ei->p; | |
910 | struct ospf_redist *red; | |
d7c0a89a QY |
911 | uint8_t type = is_prefix_default(&ei->p) ? DEFAULT_ROUTE : ei->type; |
912 | unsigned short instance = is_prefix_default(&ei->p) ? 0 : ei->instance; | |
d62a17ae | 913 | |
914 | if (changed) | |
915 | *changed = 0; | |
916 | ||
917 | if (!ospf_external_lsa_originate_check(ospf, ei)) | |
918 | return 0; | |
919 | ||
920 | /* Take care connected route. */ | |
921 | if (type == ZEBRA_ROUTE_CONNECT | |
922 | && !ospf_distribute_check_connected(ospf, ei)) | |
923 | return 0; | |
924 | ||
925 | if (!DEFAULT_ROUTE_TYPE(type) && DISTRIBUTE_NAME(ospf, type)) | |
926 | /* distirbute-list exists, but access-list may not? */ | |
927 | if (DISTRIBUTE_LIST(ospf, type)) | |
928 | if (access_list_apply(DISTRIBUTE_LIST(ospf, type), p) | |
929 | == FILTER_DENY) { | |
4259ea81 MS |
930 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
931 | char buf[PREFIX2STR_BUFFER]; | |
d62a17ae | 932 | zlog_debug( |
4259ea81 | 933 | "Redistribute[%s]: %s filtered by distribute-list.", |
d62a17ae | 934 | ospf_redist_string(type), |
4259ea81 MS |
935 | prefix2str(p, buf, sizeof(buf))); |
936 | } | |
d62a17ae | 937 | return 0; |
938 | } | |
939 | ||
940 | save_values = ei->route_map_set; | |
941 | ospf_reset_route_map_set_values(&ei->route_map_set); | |
942 | ||
943 | /* apply route-map if needed */ | |
944 | red = ospf_redist_lookup(ospf, type, instance); | |
945 | if (red && ROUTEMAP_NAME(red)) { | |
946 | int ret; | |
947 | ||
948 | ret = route_map_apply(ROUTEMAP(red), (struct prefix *)p, | |
949 | RMAP_OSPF, ei); | |
950 | ||
951 | if (ret == RMAP_DENYMATCH) { | |
952 | ei->route_map_set = save_values; | |
4259ea81 MS |
953 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
954 | char buf[PREFIX2STR_BUFFER]; | |
d62a17ae | 955 | zlog_debug( |
4259ea81 | 956 | "Redistribute[%s]: %s filtered by route-map.", |
d62a17ae | 957 | ospf_redist_string(type), |
4259ea81 MS |
958 | prefix2str(p, buf, sizeof(buf))); |
959 | } | |
d62a17ae | 960 | return 0; |
961 | } | |
962 | ||
963 | /* check if 'route-map set' changed something */ | |
964 | if (changed) | |
965 | *changed = !ospf_route_map_set_compare( | |
966 | &ei->route_map_set, &save_values); | |
967 | } | |
968 | ||
969 | return 1; | |
718e3744 | 970 | } |
971 | ||
972 | /* OSPF route-map set for redistribution */ | |
d62a17ae | 973 | void ospf_routemap_set(struct ospf_redist *red, const char *name) |
718e3744 | 974 | { |
93d836e6 | 975 | if (ROUTEMAP_NAME(red)) { |
976 | route_map_counter_decrement(ROUTEMAP(red)); | |
d62a17ae | 977 | free(ROUTEMAP_NAME(red)); |
93d836e6 | 978 | } |
718e3744 | 979 | |
d62a17ae | 980 | ROUTEMAP_NAME(red) = strdup(name); |
981 | ROUTEMAP(red) = route_map_lookup_by_name(name); | |
93d836e6 | 982 | route_map_counter_increment(ROUTEMAP(red)); |
718e3744 | 983 | } |
984 | ||
d62a17ae | 985 | void ospf_routemap_unset(struct ospf_redist *red) |
718e3744 | 986 | { |
93d836e6 | 987 | if (ROUTEMAP_NAME(red)) { |
988 | route_map_counter_decrement(ROUTEMAP(red)); | |
d62a17ae | 989 | free(ROUTEMAP_NAME(red)); |
93d836e6 | 990 | } |
718e3744 | 991 | |
d62a17ae | 992 | ROUTEMAP_NAME(red) = NULL; |
993 | ROUTEMAP(red) = NULL; | |
718e3744 | 994 | } |
995 | ||
996 | /* Zebra route add and delete treatment. */ | |
121f9dee | 997 | static int ospf_zebra_read_route(ZAPI_CALLBACK_ARGS) |
718e3744 | 998 | { |
74489921 RW |
999 | struct zapi_route api; |
1000 | struct prefix_ipv4 p; | |
d62a17ae | 1001 | unsigned long ifindex; |
1002 | struct in_addr nexthop; | |
d62a17ae | 1003 | struct external_info *ei; |
1004 | struct ospf *ospf; | |
1005 | int i; | |
1fb93326 | 1006 | uint8_t rt_type; |
d62a17ae | 1007 | |
b5a8894d | 1008 | ospf = ospf_lookup_by_vrf_id(vrf_id); |
74489921 RW |
1009 | if (ospf == NULL) |
1010 | return 0; | |
d62a17ae | 1011 | |
74489921 RW |
1012 | if (zapi_route_decode(zclient->ibuf, &api) < 0) |
1013 | return -1; | |
d62a17ae | 1014 | |
74489921 RW |
1015 | ifindex = api.nexthops[0].ifindex; |
1016 | nexthop = api.nexthops[0].gate.ipv4; | |
1fb93326 | 1017 | rt_type = api.type; |
d62a17ae | 1018 | |
74489921 | 1019 | memcpy(&p, &api.prefix, sizeof(p)); |
d62a17ae | 1020 | if (IPV4_NET127(ntohl(p.prefix.s_addr))) |
1021 | return 0; | |
1022 | ||
1fb93326 | 1023 | /* Re-destributed route is default route. |
1024 | * Here, route type is used as 'ZEBRA_ROUTE_KERNEL' for | |
1025 | * updating ex-info. But in resetting (no default-info | |
1026 | * originate)ZEBRA_ROUTE_MAX is used to delete the ex-info. | |
1027 | * Resolved this inconsistency by maintaining same route type. | |
1028 | */ | |
1029 | if (is_prefix_default(&p)) | |
1030 | rt_type = DEFAULT_ROUTE; | |
1031 | ||
5c780bc9 PZ |
1032 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
1033 | char buf_prefix[PREFIX_STRLEN]; | |
1034 | prefix2str(&api.prefix, buf_prefix, sizeof(buf_prefix)); | |
1035 | ||
1036 | zlog_debug("%s: from client %s: vrf_id %d, p %s", __func__, | |
1037 | zebra_route_string(api.type), vrf_id, buf_prefix); | |
1038 | } | |
1039 | ||
121f9dee | 1040 | if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_ADD) { |
d62a17ae | 1041 | /* XXX|HACK|TODO|FIXME: |
09a484dd DL |
1042 | * Maybe we should ignore reject/blackhole routes? Testing |
1043 | * shows that there is no problems though and this is only way | |
1044 | * to "summarize" routes in ASBR at the moment. Maybe we need | |
1045 | * just a better generalised solution for these types? | |
d62a17ae | 1046 | */ |
1047 | ||
74489921 | 1048 | /* Protocol tag overwrites all other tag value sent by zebra */ |
1fb93326 | 1049 | if (ospf->dtag[rt_type] > 0) |
1050 | api.tag = ospf->dtag[rt_type]; | |
d62a17ae | 1051 | |
1052 | /* | |
1053 | * Given zebra sends update for a prefix via ADD message, it | |
1054 | * should | |
1055 | * be considered as an implicit DEL for that prefix with other | |
1056 | * source | |
1057 | * types. | |
1058 | */ | |
1fb93326 | 1059 | for (i = 0; i <= ZEBRA_ROUTE_MAX; i++) |
1060 | if (i != rt_type) | |
996c9314 LB |
1061 | ospf_external_info_delete(ospf, i, api.instance, |
1062 | p); | |
d62a17ae | 1063 | |
1fb93326 | 1064 | ei = ospf_external_info_add(ospf, rt_type, api.instance, p, |
de1ac5fd | 1065 | ifindex, nexthop, api.tag); |
d62a17ae | 1066 | if (ei == NULL) { |
1067 | /* Nothing has changed, so nothing to do; return */ | |
1068 | return 0; | |
1069 | } | |
1070 | if (ospf->router_id.s_addr == 0) | |
1071 | /* Set flags to generate AS-external-LSA originate event | |
1072 | for each redistributed protocols later. */ | |
1fb93326 | 1073 | ospf->external_origin |= (1 << rt_type); |
d62a17ae | 1074 | else { |
1075 | if (ei) { | |
1076 | if (is_prefix_default(&p)) | |
1077 | ospf_external_lsa_refresh_default(ospf); | |
1078 | else { | |
1079 | struct ospf_lsa *current; | |
1080 | ||
1081 | current = ospf_external_info_find_lsa( | |
1082 | ospf, &ei->p); | |
1083 | if (!current) | |
1084 | ospf_external_lsa_originate( | |
1085 | ospf, ei); | |
1086 | else { | |
1087 | if (IS_DEBUG_OSPF( | |
1088 | zebra, | |
1089 | ZEBRA_REDISTRIBUTE)) | |
1090 | zlog_debug( | |
74489921 | 1091 | "ospf_zebra_read_route() : %s refreshing LSA", |
d62a17ae | 1092 | inet_ntoa( |
1093 | p.prefix)); | |
1094 | ospf_external_lsa_refresh( | |
1095 | ospf, current, ei, | |
1096 | LSA_REFRESH_FORCE); | |
1097 | } | |
1098 | } | |
1099 | } | |
1100 | } | |
121f9dee | 1101 | } else /* if (cmd == ZEBRA_REDISTRIBUTE_ROUTE_DEL) */ |
5048fe14 | 1102 | { |
1fb93326 | 1103 | ospf_external_info_delete(ospf, rt_type, api.instance, p); |
d62a17ae | 1104 | if (is_prefix_default(&p)) |
1105 | ospf_external_lsa_refresh_default(ospf); | |
1106 | else | |
1fb93326 | 1107 | ospf_external_lsa_flush(ospf, rt_type, &p, |
d62a17ae | 1108 | ifindex /*, nexthop */); |
5048fe14 | 1109 | } |
d62a17ae | 1110 | |
1111 | return 0; | |
718e3744 | 1112 | } |
6b0655a2 | 1113 | |
cf795c5d | 1114 | |
d62a17ae | 1115 | int ospf_distribute_list_out_set(struct ospf *ospf, int type, const char *name) |
718e3744 | 1116 | { |
d62a17ae | 1117 | /* Lookup access-list for distribute-list. */ |
1118 | DISTRIBUTE_LIST(ospf, type) = access_list_lookup(AFI_IP, name); | |
718e3744 | 1119 | |
d62a17ae | 1120 | /* Clear previous distribute-name. */ |
1121 | if (DISTRIBUTE_NAME(ospf, type)) | |
1122 | free(DISTRIBUTE_NAME(ospf, type)); | |
718e3744 | 1123 | |
d62a17ae | 1124 | /* Set distribute-name. */ |
1125 | DISTRIBUTE_NAME(ospf, type) = strdup(name); | |
718e3744 | 1126 | |
d62a17ae | 1127 | /* If access-list have been set, schedule update timer. */ |
1128 | if (DISTRIBUTE_LIST(ospf, type)) | |
1129 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1130 | |
d62a17ae | 1131 | return CMD_SUCCESS; |
718e3744 | 1132 | } |
1133 | ||
d62a17ae | 1134 | int ospf_distribute_list_out_unset(struct ospf *ospf, int type, |
1135 | const char *name) | |
718e3744 | 1136 | { |
d62a17ae | 1137 | /* Schedule update timer. */ |
1138 | if (DISTRIBUTE_LIST(ospf, type)) | |
1139 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1140 | |
d62a17ae | 1141 | /* Unset distribute-list. */ |
1142 | DISTRIBUTE_LIST(ospf, type) = NULL; | |
718e3744 | 1143 | |
d62a17ae | 1144 | /* Clear distribute-name. */ |
1145 | if (DISTRIBUTE_NAME(ospf, type)) | |
1146 | free(DISTRIBUTE_NAME(ospf, type)); | |
cf795c5d | 1147 | |
d62a17ae | 1148 | DISTRIBUTE_NAME(ospf, type) = NULL; |
718e3744 | 1149 | |
d62a17ae | 1150 | return CMD_SUCCESS; |
718e3744 | 1151 | } |
1152 | ||
1153 | /* distribute-list update timer. */ | |
d62a17ae | 1154 | static int ospf_distribute_list_update_timer(struct thread *thread) |
718e3744 | 1155 | { |
d62a17ae | 1156 | struct route_node *rn; |
1157 | struct external_info *ei; | |
1158 | struct route_table *rt; | |
1159 | struct ospf_lsa *lsa; | |
b5a8894d CS |
1160 | int type, default_refresh = 0, arg_type; |
1161 | struct ospf *ospf = NULL; | |
996c9314 | 1162 | void **arg = THREAD_ARG(thread); |
b5a8894d CS |
1163 | |
1164 | ospf = (struct ospf *)arg[0]; | |
1165 | arg_type = (int)(intptr_t)arg[1]; | |
d62a17ae | 1166 | |
d62a17ae | 1167 | if (ospf == NULL) |
1168 | return 0; | |
1169 | ||
1170 | ospf->t_distribute_update = NULL; | |
1171 | ||
1172 | zlog_info("Zebra[Redistribute]: distribute-list update timer fired!"); | |
1173 | ||
b5a8894d | 1174 | if (IS_DEBUG_OSPF_EVENT) { |
996c9314 LB |
1175 | zlog_debug( |
1176 | "%s: ospf distribute-list update arg_type %d vrf %s id %d", | |
1177 | __PRETTY_FUNCTION__, arg_type, | |
1178 | ospf_vrf_id_to_name(ospf->vrf_id), ospf->vrf_id); | |
b5a8894d CS |
1179 | } |
1180 | ||
d62a17ae | 1181 | /* foreach all external info. */ |
1182 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1183 | struct list *ext_list; | |
1184 | struct listnode *node; | |
1185 | struct ospf_external *ext; | |
1186 | ||
de1ac5fd | 1187 | ext_list = ospf->external[type]; |
d62a17ae | 1188 | if (!ext_list) |
1189 | continue; | |
1190 | ||
1191 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) { | |
1192 | rt = ext->external_info; | |
1193 | if (!rt) | |
1194 | continue; | |
1195 | for (rn = route_top(rt); rn; rn = route_next(rn)) | |
1196 | if ((ei = rn->info) != NULL) { | |
1197 | if (is_prefix_default(&ei->p)) | |
1198 | default_refresh = 1; | |
1199 | else if ( | |
1200 | (lsa = ospf_external_info_find_lsa( | |
1201 | ospf, &ei->p))) | |
1202 | ospf_external_lsa_refresh( | |
1203 | ospf, lsa, ei, | |
1204 | LSA_REFRESH_IF_CHANGED); | |
1205 | else | |
1206 | ospf_external_lsa_originate( | |
1207 | ospf, ei); | |
1208 | } | |
1209 | } | |
1210 | } | |
1211 | if (default_refresh) | |
1212 | ospf_external_lsa_refresh_default(ospf); | |
b5a8894d CS |
1213 | |
1214 | XFREE(MTYPE_OSPF_DIST_ARGS, arg); | |
d62a17ae | 1215 | return 0; |
718e3744 | 1216 | } |
1217 | ||
718e3744 | 1218 | /* Update distribute-list and set timer to apply access-list. */ |
d7c0a89a QY |
1219 | void ospf_distribute_list_update(struct ospf *ospf, int type, |
1220 | unsigned short instance) | |
718e3744 | 1221 | { |
d62a17ae | 1222 | struct route_table *rt; |
1223 | struct ospf_external *ext; | |
996c9314 | 1224 | void **args = XCALLOC(MTYPE_OSPF_DIST_ARGS, sizeof(void *) * 2); |
d62a17ae | 1225 | |
b5a8894d | 1226 | args[0] = ospf; |
996c9314 | 1227 | args[1] = (void *)((ptrdiff_t)type); |
b5a8894d | 1228 | |
d62a17ae | 1229 | /* External info does not exist. */ |
de1ac5fd | 1230 | ext = ospf_external_lookup(ospf, type, instance); |
a68730c6 DS |
1231 | if (!ext || !(rt = EXTERNAL_INFO(ext))) { |
1232 | XFREE(MTYPE_OSPF_DIST_ARGS, args); | |
d62a17ae | 1233 | return; |
a68730c6 | 1234 | } |
d62a17ae | 1235 | |
1236 | /* If exists previously invoked thread, then let it continue. */ | |
a68730c6 DS |
1237 | if (ospf->t_distribute_update) { |
1238 | XFREE(MTYPE_OSPF_DIST_ARGS, args); | |
d62a17ae | 1239 | return; |
a68730c6 | 1240 | } |
d62a17ae | 1241 | |
1242 | /* Set timer. */ | |
1243 | ospf->t_distribute_update = NULL; | |
1244 | thread_add_timer_msec(master, ospf_distribute_list_update_timer, | |
b5a8894d | 1245 | (void **)args, ospf->min_ls_interval, |
d62a17ae | 1246 | &ospf->t_distribute_update); |
718e3744 | 1247 | } |
1248 | ||
1249 | /* If access-list is updated, apply some check. */ | |
d62a17ae | 1250 | static void ospf_filter_update(struct access_list *access) |
718e3744 | 1251 | { |
d62a17ae | 1252 | struct ospf *ospf; |
1253 | int type; | |
1254 | int abr_inv = 0; | |
1255 | struct ospf_area *area; | |
b5a8894d | 1256 | struct listnode *node, *n1; |
d62a17ae | 1257 | |
1258 | /* If OSPF instance does not exist, return right now. */ | |
b5a8894d | 1259 | if (listcount(om->ospf) == 0) |
d62a17ae | 1260 | return; |
1261 | ||
b5a8894d | 1262 | /* Iterate all ospf [VRF] instances */ |
43b8d1d8 | 1263 | for (ALL_LIST_ELEMENTS_RO(om->ospf, n1, ospf)) { |
b5a8894d CS |
1264 | /* Update distribute-list, and apply filter. */ |
1265 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1266 | struct list *red_list; | |
b5a8894d CS |
1267 | struct ospf_redist *red; |
1268 | ||
1269 | red_list = ospf->redist[type]; | |
1270 | if (red_list) | |
996c9314 LB |
1271 | for (ALL_LIST_ELEMENTS_RO(red_list, node, |
1272 | red)) { | |
b5a8894d | 1273 | if (ROUTEMAP(red)) { |
996c9314 LB |
1274 | /* if route-map is not NULL it |
1275 | * may be | |
b5a8894d CS |
1276 | * using this access list */ |
1277 | ospf_distribute_list_update( | |
996c9314 LB |
1278 | ospf, type, |
1279 | red->instance); | |
b5a8894d | 1280 | } |
d62a17ae | 1281 | } |
d62a17ae | 1282 | |
b5a8894d CS |
1283 | /* There is place for route-map for default-information |
1284 | * (ZEBRA_ROUTE_MAX), | |
1285 | * but no distribute list. */ | |
1286 | if (type == ZEBRA_ROUTE_MAX) | |
1287 | break; | |
1288 | ||
1289 | if (DISTRIBUTE_NAME(ospf, type)) { | |
1290 | /* Keep old access-list for distribute-list. */ | |
996c9314 LB |
1291 | struct access_list *old = |
1292 | DISTRIBUTE_LIST(ospf, type); | |
b5a8894d CS |
1293 | |
1294 | /* Update access-list for distribute-list. */ | |
996c9314 LB |
1295 | DISTRIBUTE_LIST(ospf, type) = |
1296 | access_list_lookup( | |
1297 | AFI_IP, | |
1298 | DISTRIBUTE_NAME(ospf, type)); | |
b5a8894d CS |
1299 | |
1300 | /* No update for this distribute type. */ | |
996c9314 LB |
1301 | if (old == NULL |
1302 | && DISTRIBUTE_LIST(ospf, type) == NULL) | |
b5a8894d CS |
1303 | continue; |
1304 | ||
1305 | /* Schedule distribute-list update timer. */ | |
1306 | if (DISTRIBUTE_LIST(ospf, type) == NULL | |
996c9314 LB |
1307 | || strcmp(DISTRIBUTE_NAME(ospf, type), |
1308 | access->name) | |
1309 | == 0) | |
1310 | ospf_distribute_list_update(ospf, type, | |
1311 | 0); | |
b5a8894d | 1312 | } |
d62a17ae | 1313 | } |
d62a17ae | 1314 | |
b5a8894d CS |
1315 | /* Update Area access-list. */ |
1316 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1317 | if (EXPORT_NAME(area)) { | |
1318 | EXPORT_LIST(area) = NULL; | |
1319 | abr_inv++; | |
1320 | } | |
d62a17ae | 1321 | |
b5a8894d CS |
1322 | if (IMPORT_NAME(area)) { |
1323 | IMPORT_LIST(area) = NULL; | |
1324 | abr_inv++; | |
1325 | } | |
d62a17ae | 1326 | } |
d62a17ae | 1327 | |
b5a8894d CS |
1328 | /* Schedule ABR tasks -- this will be changed -- takada. */ |
1329 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1330 | ospf_schedule_abr_task(ospf); | |
1331 | } | |
718e3744 | 1332 | } |
dd669bb0 | 1333 | |
1334 | /* If prefix-list is updated, do some updates. */ | |
d62a17ae | 1335 | void ospf_prefix_list_update(struct prefix_list *plist) |
dd669bb0 | 1336 | { |
b5a8894d | 1337 | struct ospf *ospf = NULL; |
d62a17ae | 1338 | int type; |
1339 | int abr_inv = 0; | |
1340 | struct ospf_area *area; | |
b5a8894d | 1341 | struct listnode *node, *n1; |
d62a17ae | 1342 | |
1343 | /* If OSPF instatnce does not exist, return right now. */ | |
b5a8894d | 1344 | if (listcount(om->ospf) == 0) |
d62a17ae | 1345 | return; |
1346 | ||
b5a8894d CS |
1347 | /* Iterate all ospf [VRF] instances */ |
1348 | for (ALL_LIST_ELEMENTS_RO(om->ospf, n1, ospf)) { | |
1349 | ||
1350 | /* Update all route-maps which are used | |
1351 | * as redistribution filters. | |
1352 | * They might use prefix-list. | |
1353 | */ | |
1354 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1355 | struct list *red_list; | |
b5a8894d CS |
1356 | struct ospf_redist *red; |
1357 | ||
1358 | red_list = ospf->redist[type]; | |
1359 | if (red_list) { | |
996c9314 LB |
1360 | for (ALL_LIST_ELEMENTS_RO(red_list, node, |
1361 | red)) { | |
b5a8894d CS |
1362 | if (ROUTEMAP(red)) { |
1363 | /* if route-map is not NULL | |
1364 | * it may be using | |
1365 | * this prefix list */ | |
1366 | ospf_distribute_list_update( | |
1367 | ospf, type, | |
1368 | red->instance); | |
1369 | } | |
d62a17ae | 1370 | } |
1371 | } | |
b5a8894d | 1372 | } |
d62a17ae | 1373 | |
b5a8894d CS |
1374 | /* Update area filter-lists. */ |
1375 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1376 | /* Update filter-list in. */ | |
1377 | if (PREFIX_NAME_IN(area)) | |
1378 | if (strcmp(PREFIX_NAME_IN(area), | |
996c9314 LB |
1379 | prefix_list_name(plist)) |
1380 | == 0) { | |
b5a8894d CS |
1381 | PREFIX_LIST_IN(area) = |
1382 | prefix_list_lookup( | |
996c9314 LB |
1383 | AFI_IP, |
1384 | PREFIX_NAME_IN(area)); | |
b5a8894d CS |
1385 | abr_inv++; |
1386 | } | |
d62a17ae | 1387 | |
b5a8894d CS |
1388 | /* Update filter-list out. */ |
1389 | if (PREFIX_NAME_OUT(area)) | |
1390 | if (strcmp(PREFIX_NAME_OUT(area), | |
996c9314 LB |
1391 | prefix_list_name(plist)) |
1392 | == 0) { | |
b5a8894d CS |
1393 | PREFIX_LIST_IN(area) = |
1394 | prefix_list_lookup( | |
996c9314 LB |
1395 | AFI_IP, |
1396 | PREFIX_NAME_OUT(area)); | |
b5a8894d CS |
1397 | abr_inv++; |
1398 | } | |
1399 | } | |
d62a17ae | 1400 | |
b5a8894d CS |
1401 | /* Schedule ABR task. */ |
1402 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1403 | ospf_schedule_abr_task(ospf); | |
1404 | } | |
dd669bb0 | 1405 | } |
cf795c5d | 1406 | |
d62a17ae | 1407 | static struct ospf_distance *ospf_distance_new(void) |
718e3744 | 1408 | { |
d62a17ae | 1409 | return XCALLOC(MTYPE_OSPF_DISTANCE, sizeof(struct ospf_distance)); |
718e3744 | 1410 | } |
1411 | ||
d62a17ae | 1412 | static void ospf_distance_free(struct ospf_distance *odistance) |
718e3744 | 1413 | { |
d62a17ae | 1414 | XFREE(MTYPE_OSPF_DISTANCE, odistance); |
718e3744 | 1415 | } |
1416 | ||
d62a17ae | 1417 | int ospf_distance_set(struct vty *vty, struct ospf *ospf, |
1418 | const char *distance_str, const char *ip_str, | |
1419 | const char *access_list_str) | |
718e3744 | 1420 | { |
d62a17ae | 1421 | int ret; |
1422 | struct prefix_ipv4 p; | |
d7c0a89a | 1423 | uint8_t distance; |
d62a17ae | 1424 | struct route_node *rn; |
1425 | struct ospf_distance *odistance; | |
1426 | ||
1427 | ret = str2prefix_ipv4(ip_str, &p); | |
1428 | if (ret == 0) { | |
1429 | vty_out(vty, "Malformed prefix\n"); | |
1430 | return CMD_WARNING_CONFIG_FAILED; | |
1431 | } | |
1432 | ||
1433 | distance = atoi(distance_str); | |
1434 | ||
1435 | /* Get OSPF distance node. */ | |
1436 | rn = route_node_get(ospf->distance_table, (struct prefix *)&p); | |
1437 | if (rn->info) { | |
1438 | odistance = rn->info; | |
1439 | route_unlock_node(rn); | |
1440 | } else { | |
1441 | odistance = ospf_distance_new(); | |
1442 | rn->info = odistance; | |
1443 | } | |
1444 | ||
1445 | /* Set distance value. */ | |
1446 | odistance->distance = distance; | |
1447 | ||
1448 | /* Reset access-list configuration. */ | |
1449 | if (odistance->access_list) { | |
1450 | free(odistance->access_list); | |
1451 | odistance->access_list = NULL; | |
1452 | } | |
1453 | if (access_list_str) | |
1454 | odistance->access_list = strdup(access_list_str); | |
1455 | ||
1456 | return CMD_SUCCESS; | |
718e3744 | 1457 | } |
1458 | ||
d62a17ae | 1459 | int ospf_distance_unset(struct vty *vty, struct ospf *ospf, |
1460 | const char *distance_str, const char *ip_str, | |
1461 | char const *access_list_str) | |
718e3744 | 1462 | { |
d62a17ae | 1463 | int ret; |
1464 | struct prefix_ipv4 p; | |
1465 | struct route_node *rn; | |
1466 | struct ospf_distance *odistance; | |
1467 | ||
1468 | ret = str2prefix_ipv4(ip_str, &p); | |
1469 | if (ret == 0) { | |
1470 | vty_out(vty, "Malformed prefix\n"); | |
1471 | return CMD_WARNING_CONFIG_FAILED; | |
1472 | } | |
1473 | ||
1474 | rn = route_node_lookup(ospf->distance_table, (struct prefix *)&p); | |
1475 | if (!rn) { | |
1476 | vty_out(vty, "Can't find specified prefix\n"); | |
1477 | return CMD_WARNING_CONFIG_FAILED; | |
1478 | } | |
1479 | ||
1480 | odistance = rn->info; | |
1481 | ||
1482 | if (odistance->access_list) | |
1483 | free(odistance->access_list); | |
1484 | ospf_distance_free(odistance); | |
1485 | ||
1486 | rn->info = NULL; | |
1487 | route_unlock_node(rn); | |
1488 | route_unlock_node(rn); | |
1489 | ||
1490 | return CMD_SUCCESS; | |
718e3744 | 1491 | } |
1492 | ||
d62a17ae | 1493 | void ospf_distance_reset(struct ospf *ospf) |
718e3744 | 1494 | { |
d62a17ae | 1495 | struct route_node *rn; |
1496 | struct ospf_distance *odistance; | |
1497 | ||
1498 | for (rn = route_top(ospf->distance_table); rn; rn = route_next(rn)) | |
1499 | if ((odistance = rn->info) != NULL) { | |
1500 | if (odistance->access_list) | |
1501 | free(odistance->access_list); | |
1502 | ospf_distance_free(odistance); | |
1503 | rn->info = NULL; | |
1504 | route_unlock_node(rn); | |
1505 | } | |
718e3744 | 1506 | } |
1507 | ||
d7c0a89a QY |
1508 | uint8_t ospf_distance_apply(struct ospf *ospf, struct prefix_ipv4 *p, |
1509 | struct ospf_route * or) | |
718e3744 | 1510 | { |
718e3744 | 1511 | |
d62a17ae | 1512 | if (ospf == NULL) |
1513 | return 0; | |
718e3744 | 1514 | |
d62a17ae | 1515 | if (ospf->distance_intra) |
1516 | if (or->path_type == OSPF_PATH_INTRA_AREA) | |
1517 | return ospf->distance_intra; | |
718e3744 | 1518 | |
d62a17ae | 1519 | if (ospf->distance_inter) |
1520 | if (or->path_type == OSPF_PATH_INTER_AREA) | |
1521 | return ospf->distance_inter; | |
718e3744 | 1522 | |
d62a17ae | 1523 | if (ospf->distance_external) |
1524 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL || | |
1525 | or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
1526 | return ospf->distance_external; | |
cf795c5d | 1527 | |
d62a17ae | 1528 | if (ospf->distance_all) |
1529 | return ospf->distance_all; | |
718e3744 | 1530 | |
d62a17ae | 1531 | return 0; |
718e3744 | 1532 | } |
1533 | ||
b5a8894d CS |
1534 | void ospf_zebra_vrf_register(struct ospf *ospf) |
1535 | { | |
1536 | if (!zclient || zclient->sock < 0 || !ospf) | |
1537 | return; | |
1538 | ||
6021c6c0 | 1539 | if (ospf->vrf_id != VRF_UNKNOWN) { |
b5a8894d CS |
1540 | if (IS_DEBUG_OSPF_EVENT) |
1541 | zlog_debug("%s: Register VRF %s id %u", | |
1542 | __PRETTY_FUNCTION__, | |
1543 | ospf_vrf_id_to_name(ospf->vrf_id), | |
1544 | ospf->vrf_id); | |
1545 | zclient_send_reg_requests(zclient, ospf->vrf_id); | |
1546 | } | |
1547 | } | |
1548 | ||
1549 | void ospf_zebra_vrf_deregister(struct ospf *ospf) | |
1550 | { | |
1551 | if (!zclient || zclient->sock < 0 || !ospf) | |
1552 | return; | |
1553 | ||
1554 | if (ospf->vrf_id != VRF_DEFAULT && ospf->vrf_id != VRF_UNKNOWN) { | |
1555 | if (IS_DEBUG_OSPF_EVENT) | |
6021c6c0 | 1556 | zlog_debug("%s: De-Register VRF %s id %u to Zebra.", |
b5a8894d CS |
1557 | __PRETTY_FUNCTION__, |
1558 | ospf_vrf_id_to_name(ospf->vrf_id), | |
1559 | ospf->vrf_id); | |
1560 | /* Deregister for router-id, interfaces, | |
1561 | * redistributed routes. */ | |
1562 | zclient_send_dereg_requests(zclient, ospf->vrf_id); | |
1563 | } | |
1564 | } | |
d62a17ae | 1565 | static void ospf_zebra_connected(struct zclient *zclient) |
7076bb2f | 1566 | { |
d62a17ae | 1567 | /* Send the client registration */ |
1568 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 1569 | |
d62a17ae | 1570 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
1571 | } |
1572 | ||
d7c0a89a | 1573 | void ospf_zebra_init(struct thread_master *master, unsigned short instance) |
718e3744 | 1574 | { |
d62a17ae | 1575 | /* Allocate zebra structure. */ |
26f63a1e | 1576 | zclient = zclient_new(master, &zclient_options_default); |
342213ea | 1577 | zclient_init(zclient, ZEBRA_ROUTE_OSPF, instance, &ospfd_privs); |
d62a17ae | 1578 | zclient->zebra_connected = ospf_zebra_connected; |
1579 | zclient->router_id_update = ospf_router_id_update_zebra; | |
1580 | zclient->interface_add = ospf_interface_add; | |
1581 | zclient->interface_delete = ospf_interface_delete; | |
1582 | zclient->interface_up = ospf_interface_state_up; | |
1583 | zclient->interface_down = ospf_interface_state_down; | |
1584 | zclient->interface_address_add = ospf_interface_address_add; | |
1585 | zclient->interface_address_delete = ospf_interface_address_delete; | |
1586 | zclient->interface_link_params = ospf_interface_link_params; | |
b5a8894d | 1587 | zclient->interface_vrf_update = ospf_interface_vrf_update; |
d62a17ae | 1588 | |
74489921 RW |
1589 | zclient->redistribute_route_add = ospf_zebra_read_route; |
1590 | zclient->redistribute_route_del = ospf_zebra_read_route; | |
d62a17ae | 1591 | |
1592 | access_list_add_hook(ospf_filter_update); | |
1593 | access_list_delete_hook(ospf_filter_update); | |
1594 | prefix_list_add_hook(ospf_prefix_list_update); | |
1595 | prefix_list_delete_hook(ospf_prefix_list_update); | |
718e3744 | 1596 | } |