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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 | |
d62a17ae | 54 | DEFINE_HOOK(ospf_if_update, (struct interface * ifp), (ifp)) |
55 | DEFINE_HOOK(ospf_if_delete, (struct interface * ifp), (ifp)) | |
3012671f | 56 | |
718e3744 | 57 | /* Zebra structure to hold current status. */ |
58 | struct zclient *zclient = NULL; | |
59 | ||
60 | /* For registering threads. */ | |
61 | extern struct thread_master *master; | |
18a6dce6 | 62 | struct in_addr router_id_zebra; |
63 | ||
64 | /* Router-id update message from zebra. */ | |
d62a17ae | 65 | static int ospf_router_id_update_zebra(int command, struct zclient *zclient, |
66 | zebra_size_t length, vrf_id_t vrf_id) | |
18a6dce6 | 67 | { |
d62a17ae | 68 | struct ospf *ospf; |
69 | struct prefix router_id; | |
70 | zebra_router_id_update_read(zclient->ibuf, &router_id); | |
71 | ||
72 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
73 | char buf[PREFIX2STR_BUFFER]; | |
74 | prefix2str(&router_id, buf, sizeof(buf)); | |
75 | zlog_debug("Zebra rcvd: router id update %s", buf); | |
76 | } | |
77 | ||
78 | router_id_zebra = router_id.u.prefix4; | |
79 | ||
80 | ospf = ospf_lookup(); | |
81 | ||
82 | if (ospf != NULL) | |
83 | ospf_router_id_update(ospf); | |
84 | ||
85 | return 0; | |
18a6dce6 | 86 | } |
718e3744 | 87 | |
88 | /* Inteface addition message from zebra. */ | |
d62a17ae | 89 | static int ospf_interface_add(int command, struct zclient *zclient, |
90 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 91 | { |
d62a17ae | 92 | struct interface *ifp; |
718e3744 | 93 | |
d62a17ae | 94 | ifp = zebra_interface_add_read(zclient->ibuf, vrf_id); |
718e3744 | 95 | |
d62a17ae | 96 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
97 | zlog_debug( | |
98 | "Zebra: interface add %s[%u] index %d flags %llx metric %d mtu %d", | |
99 | ifp->name, ifp->vrf_id, ifp->ifindex, | |
100 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu); | |
718e3744 | 101 | |
d62a17ae | 102 | assert(ifp->info); |
f2c80652 | 103 | |
d62a17ae | 104 | if (!OSPF_IF_PARAM_CONFIGURED(IF_DEF_PARAMS(ifp), type)) { |
105 | SET_IF_PARAM(IF_DEF_PARAMS(ifp), type); | |
106 | IF_DEF_PARAMS(ifp)->type = ospf_default_iftype(ifp); | |
107 | } | |
718e3744 | 108 | |
d62a17ae | 109 | ospf_if_update(NULL, ifp); |
718e3744 | 110 | |
d62a17ae | 111 | hook_call(ospf_if_update, ifp); |
718e3744 | 112 | |
d62a17ae | 113 | return 0; |
718e3744 | 114 | } |
115 | ||
d62a17ae | 116 | static int ospf_interface_delete(int command, struct zclient *zclient, |
117 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 118 | { |
d62a17ae | 119 | struct interface *ifp; |
120 | struct stream *s; | |
121 | struct route_node *rn; | |
718e3744 | 122 | |
d62a17ae | 123 | s = zclient->ibuf; |
124 | /* zebra_interface_state_read() updates interface structure in iflist */ | |
125 | ifp = zebra_interface_state_read(s, vrf_id); | |
718e3744 | 126 | |
d62a17ae | 127 | if (ifp == NULL) |
128 | return 0; | |
718e3744 | 129 | |
d62a17ae | 130 | if (if_is_up(ifp)) |
131 | zlog_warn("Zebra: got delete of %s, but interface is still up", | |
132 | ifp->name); | |
cf795c5d | 133 | |
d62a17ae | 134 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
135 | zlog_debug( | |
136 | "Zebra: interface delete %s[%u] index %d flags %llx metric %d mtu %d", | |
137 | ifp->name, ifp->vrf_id, ifp->ifindex, | |
138 | (unsigned long long)ifp->flags, ifp->metric, ifp->mtu); | |
718e3744 | 139 | |
d62a17ae | 140 | hook_call(ospf_if_delete, ifp); |
718e3744 | 141 | |
d62a17ae | 142 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) |
143 | if (rn->info) | |
144 | ospf_if_free((struct ospf_interface *)rn->info); | |
718e3744 | 145 | |
d62a17ae | 146 | ifp->ifindex = IFINDEX_DELETED; |
147 | return 0; | |
718e3744 | 148 | } |
149 | ||
d62a17ae | 150 | static struct interface *zebra_interface_if_lookup(struct stream *s, |
151 | vrf_id_t vrf_id) | |
718e3744 | 152 | { |
d62a17ae | 153 | char ifname_tmp[INTERFACE_NAMSIZ]; |
718e3744 | 154 | |
d62a17ae | 155 | /* Read interface name. */ |
156 | stream_get(ifname_tmp, s, INTERFACE_NAMSIZ); | |
718e3744 | 157 | |
d62a17ae | 158 | /* And look it up. */ |
159 | return if_lookup_by_name_len( | |
160 | ifname_tmp, strnlen(ifname_tmp, INTERFACE_NAMSIZ), VRF_DEFAULT); | |
718e3744 | 161 | } |
162 | ||
d62a17ae | 163 | static int ospf_interface_state_up(int command, struct zclient *zclient, |
164 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 165 | { |
d62a17ae | 166 | struct interface *ifp; |
167 | struct ospf_interface *oi; | |
168 | struct route_node *rn; | |
169 | ||
170 | ifp = zebra_interface_if_lookup(zclient->ibuf, vrf_id); | |
171 | ||
172 | if (ifp == NULL) | |
173 | return 0; | |
174 | ||
175 | /* Interface is already up. */ | |
176 | if (if_is_operative(ifp)) { | |
177 | /* Temporarily keep ifp values. */ | |
178 | struct interface if_tmp; | |
179 | memcpy(&if_tmp, ifp, sizeof(struct interface)); | |
180 | ||
181 | zebra_interface_if_set_value(zclient->ibuf, ifp); | |
182 | ||
183 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
184 | zlog_debug( | |
185 | "Zebra: Interface[%s] state update speed %u -> %u, bw %d -> %d", | |
186 | ifp->name, if_tmp.speed, ifp->speed, | |
187 | if_tmp.bandwidth, ifp->bandwidth); | |
188 | ||
189 | ospf_if_recalculate_output_cost(ifp); | |
190 | ||
191 | if (if_tmp.mtu != ifp->mtu) { | |
192 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) | |
193 | zlog_debug( | |
194 | "Zebra: Interface[%s] MTU change %u -> %u.", | |
195 | ifp->name, if_tmp.mtu, ifp->mtu); | |
196 | ||
197 | /* Must reset the interface (simulate down/up) when MTU | |
198 | * changes. */ | |
199 | ospf_if_reset(ifp); | |
200 | } | |
201 | return 0; | |
a608bbf2 | 202 | } |
cf795c5d | 203 | |
d62a17ae | 204 | zebra_interface_if_set_value(zclient->ibuf, ifp); |
cf795c5d | 205 | |
d62a17ae | 206 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
207 | zlog_debug("Zebra: Interface[%s] state change to up.", | |
208 | ifp->name); | |
cf795c5d | 209 | |
d62a17ae | 210 | for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) { |
211 | if ((oi = rn->info) == NULL) | |
212 | continue; | |
cf795c5d | 213 | |
d62a17ae | 214 | ospf_if_up(oi); |
215 | } | |
cf795c5d | 216 | |
d62a17ae | 217 | return 0; |
718e3744 | 218 | } |
219 | ||
d62a17ae | 220 | static int ospf_interface_state_down(int command, struct zclient *zclient, |
221 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 222 | { |
d62a17ae | 223 | struct interface *ifp; |
224 | struct ospf_interface *oi; | |
225 | struct route_node *node; | |
718e3744 | 226 | |
d62a17ae | 227 | ifp = zebra_interface_state_read(zclient->ibuf, vrf_id); |
718e3744 | 228 | |
d62a17ae | 229 | if (ifp == NULL) |
230 | return 0; | |
718e3744 | 231 | |
d62a17ae | 232 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) |
233 | zlog_debug("Zebra: Interface[%s] state change to down.", | |
234 | ifp->name); | |
718e3744 | 235 | |
d62a17ae | 236 | for (node = route_top(IF_OIFS(ifp)); node; node = route_next(node)) { |
237 | if ((oi = node->info) == NULL) | |
238 | continue; | |
239 | ospf_if_down(oi); | |
240 | } | |
718e3744 | 241 | |
d62a17ae | 242 | return 0; |
718e3744 | 243 | } |
244 | ||
d62a17ae | 245 | static int ospf_interface_address_add(int command, struct zclient *zclient, |
246 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 247 | { |
d62a17ae | 248 | struct connected *c; |
718e3744 | 249 | |
d62a17ae | 250 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); |
718e3744 | 251 | |
d62a17ae | 252 | if (c == NULL) |
253 | return 0; | |
718e3744 | 254 | |
d62a17ae | 255 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { |
256 | char buf[PREFIX2STR_BUFFER]; | |
257 | prefix2str(c->address, buf, sizeof(buf)); | |
258 | zlog_debug("Zebra: interface %s address add %s", c->ifp->name, | |
259 | buf); | |
260 | } | |
7f643ebf | 261 | |
d62a17ae | 262 | ospf_if_update(NULL, c->ifp); |
718e3744 | 263 | |
d62a17ae | 264 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 265 | |
d62a17ae | 266 | return 0; |
718e3744 | 267 | } |
268 | ||
d62a17ae | 269 | static int ospf_interface_address_delete(int command, struct zclient *zclient, |
270 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 271 | { |
d62a17ae | 272 | struct connected *c; |
273 | struct interface *ifp; | |
274 | struct ospf_interface *oi; | |
275 | struct route_node *rn; | |
276 | struct prefix p; | |
277 | ||
278 | c = zebra_interface_address_read(command, zclient->ibuf, vrf_id); | |
279 | ||
280 | if (c == NULL) | |
281 | return 0; | |
282 | ||
283 | if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) { | |
284 | char buf[PREFIX2STR_BUFFER]; | |
285 | prefix2str(c->address, buf, sizeof(buf)); | |
286 | zlog_debug("Zebra: interface %s address delete %s", | |
287 | c->ifp->name, buf); | |
288 | } | |
7f643ebf | 289 | |
d62a17ae | 290 | ifp = c->ifp; |
291 | p = *c->address; | |
292 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
718e3744 | 293 | |
d62a17ae | 294 | rn = route_node_lookup(IF_OIFS(ifp), &p); |
295 | if (!rn) { | |
296 | connected_free(c); | |
297 | return 0; | |
298 | } | |
718e3744 | 299 | |
d62a17ae | 300 | assert(rn->info); |
301 | oi = rn->info; | |
302 | route_unlock_node(rn); | |
cf795c5d | 303 | |
d62a17ae | 304 | /* Call interface hook functions to clean up */ |
305 | ospf_if_free(oi); | |
cf795c5d | 306 | |
d62a17ae | 307 | hook_call(ospf_if_update, c->ifp); |
718e3744 | 308 | |
d62a17ae | 309 | connected_free(c); |
718e3744 | 310 | |
d62a17ae | 311 | return 0; |
718e3744 | 312 | } |
72357f2b | 313 | |
d62a17ae | 314 | static int ospf_interface_link_params(int command, struct zclient *zclient, |
315 | zebra_size_t length) | |
16f1b9ee | 316 | { |
d62a17ae | 317 | struct interface *ifp; |
16f1b9ee | 318 | |
d62a17ae | 319 | ifp = zebra_interface_link_params_read(zclient->ibuf); |
16f1b9ee | 320 | |
d62a17ae | 321 | if (ifp == NULL) |
322 | return 0; | |
16f1b9ee | 323 | |
d62a17ae | 324 | /* Update TE TLV */ |
325 | ospf_mpls_te_update_if(ifp); | |
16f1b9ee | 326 | |
d62a17ae | 327 | return 0; |
16f1b9ee OD |
328 | } |
329 | ||
330 | ||
d62a17ae | 331 | void ospf_zebra_add(struct prefix_ipv4 *p, struct ospf_route * or) |
718e3744 | 332 | { |
d62a17ae | 333 | u_char message; |
334 | u_char distance; | |
335 | u_int32_t flags; | |
336 | int psize; | |
337 | struct stream *s; | |
338 | struct ospf_path *path; | |
339 | struct listnode *node; | |
340 | struct ospf *ospf = ospf_lookup(); | |
341 | ||
342 | if ((ospf->instance | |
343 | && redist_check_instance( | |
344 | &zclient->mi_redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
345 | ospf->instance)) | |
346 | || vrf_bitmap_check(zclient->redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
347 | VRF_DEFAULT)) { | |
348 | message = 0; | |
349 | flags = 0; | |
350 | ||
351 | /* OSPF pass nexthop and metric */ | |
352 | SET_FLAG(message, ZAPI_MESSAGE_NEXTHOP); | |
353 | SET_FLAG(message, ZAPI_MESSAGE_METRIC); | |
354 | ||
355 | /* Distance value. */ | |
356 | distance = ospf_distance_apply(p, or); | |
357 | if (distance) | |
358 | SET_FLAG(message, ZAPI_MESSAGE_DISTANCE); | |
359 | ||
360 | /* Check if path type is ASE */ | |
361 | if (((or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
362 | || (or->path_type == OSPF_PATH_TYPE2_EXTERNAL)) | |
363 | && (or->u.ext.tag > 0) && (or->u.ext.tag <= ROUTE_TAG_MAX)) | |
364 | SET_FLAG(message, ZAPI_MESSAGE_TAG); | |
365 | ||
366 | /* Make packet. */ | |
367 | s = zclient->obuf; | |
368 | stream_reset(s); | |
369 | ||
370 | /* Put command, type, flags, message. */ | |
371 | zclient_create_header(s, ZEBRA_IPV4_ROUTE_ADD, VRF_DEFAULT); | |
372 | stream_putc(s, ZEBRA_ROUTE_OSPF); | |
373 | stream_putw(s, ospf->instance); | |
374 | stream_putl(s, flags); | |
375 | stream_putc(s, message); | |
376 | stream_putw(s, SAFI_UNICAST); | |
377 | ||
378 | /* Put prefix information. */ | |
379 | psize = PSIZE(p->prefixlen); | |
380 | stream_putc(s, p->prefixlen); | |
381 | stream_write(s, (u_char *)&p->prefix, psize); | |
382 | ||
383 | /* Nexthop count. */ | |
384 | stream_putc(s, or->paths->count); | |
385 | ||
386 | /* Nexthop, ifindex, distance and metric information. */ | |
387 | for (ALL_LIST_ELEMENTS_RO(or->paths, node, path)) { | |
525c1839 | 388 | #ifdef HAVE_NETLINK |
d62a17ae | 389 | if (path->unnumbered |
390 | || (path->nexthop.s_addr != INADDR_ANY | |
391 | && path->ifindex != 0)) { | |
392 | stream_putc(s, NEXTHOP_TYPE_IPV4_IFINDEX); | |
393 | stream_put_in_addr(s, &path->nexthop); | |
394 | stream_putl(s, path->ifindex); | |
395 | } else if (path->nexthop.s_addr != INADDR_ANY) { | |
396 | stream_putc(s, NEXTHOP_TYPE_IPV4); | |
397 | stream_put_in_addr(s, &path->nexthop); | |
398 | } else { | |
399 | stream_putc(s, NEXTHOP_TYPE_IFINDEX); | |
400 | if (path->ifindex) | |
401 | stream_putl(s, path->ifindex); | |
402 | else | |
403 | stream_putl(s, 0); | |
404 | } | |
525c1839 | 405 | #else /* HAVE_NETLINK */ |
d62a17ae | 406 | if (path->nexthop.s_addr != INADDR_ANY |
407 | && path->ifindex != 0) { | |
408 | stream_putc(s, NEXTHOP_TYPE_IPV4_IFINDEX); | |
409 | stream_put_in_addr(s, &path->nexthop); | |
410 | stream_putl(s, path->ifindex); | |
411 | } else if (path->nexthop.s_addr != INADDR_ANY) { | |
412 | stream_putc(s, NEXTHOP_TYPE_IPV4); | |
413 | stream_put_in_addr(s, &path->nexthop); | |
414 | } else { | |
415 | stream_putc(s, NEXTHOP_TYPE_IFINDEX); | |
416 | if (path->ifindex) | |
417 | stream_putl(s, path->ifindex); | |
418 | else | |
419 | stream_putl(s, 0); | |
420 | } | |
525c1839 | 421 | #endif /* HAVE_NETLINK */ |
72357f2b | 422 | |
d62a17ae | 423 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { |
424 | char buf[2][INET_ADDRSTRLEN]; | |
425 | zlog_debug( | |
426 | "Zebra: Route add %s/%d nexthop %s, ifindex=%d", | |
427 | inet_ntop(AF_INET, &p->prefix, buf[0], | |
428 | sizeof(buf[0])), | |
429 | p->prefixlen, | |
430 | inet_ntop(AF_INET, &path->nexthop, | |
431 | buf[1], sizeof(buf[1])), | |
432 | path->ifindex); | |
433 | } | |
434 | } | |
435 | ||
436 | if (CHECK_FLAG(message, ZAPI_MESSAGE_DISTANCE)) | |
437 | stream_putc(s, distance); | |
438 | if (CHECK_FLAG(message, ZAPI_MESSAGE_METRIC)) { | |
439 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
440 | stream_putl(s, or->cost + or->u.ext.type2_cost); | |
441 | else if (or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
442 | stream_putl(s, or->u.ext.type2_cost); | |
443 | else | |
444 | stream_putl(s, or->cost); | |
445 | } | |
446 | ||
447 | if (CHECK_FLAG(message, ZAPI_MESSAGE_TAG)) | |
448 | stream_putl(s, or->u.ext.tag); | |
449 | ||
450 | stream_putw_at(s, 0, stream_get_endp(s)); | |
451 | ||
452 | zclient_send_message(zclient); | |
453 | } | |
718e3744 | 454 | } |
455 | ||
d62a17ae | 456 | void ospf_zebra_delete(struct prefix_ipv4 *p, struct ospf_route * or) |
718e3744 | 457 | { |
d62a17ae | 458 | u_char message; |
459 | u_char distance; | |
460 | u_int32_t flags; | |
461 | int psize; | |
462 | struct stream *s; | |
463 | struct ospf_path *path; | |
464 | struct listnode *node; | |
465 | struct ospf *ospf = ospf_lookup(); | |
466 | ||
467 | if ((ospf->instance | |
468 | && redist_check_instance( | |
469 | &zclient->mi_redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
470 | ospf->instance)) | |
471 | || vrf_bitmap_check(zclient->redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
472 | VRF_DEFAULT)) { | |
473 | message = 0; | |
474 | flags = 0; | |
475 | /* Distance value. */ | |
476 | distance = ospf_distance_apply(p, or); | |
477 | /* Make packet. */ | |
478 | s = zclient->obuf; | |
479 | stream_reset(s); | |
480 | ||
481 | /* Put command, type, flags, message. */ | |
482 | zclient_create_header(s, ZEBRA_IPV4_ROUTE_DELETE, VRF_DEFAULT); | |
483 | stream_putc(s, ZEBRA_ROUTE_OSPF); | |
484 | stream_putw(s, ospf->instance); | |
485 | stream_putl(s, flags); | |
486 | stream_putc(s, message); | |
487 | stream_putw(s, SAFI_UNICAST); | |
488 | ||
489 | /* Put prefix information. */ | |
490 | psize = PSIZE(p->prefixlen); | |
491 | stream_putc(s, p->prefixlen); | |
492 | stream_write(s, (u_char *)&p->prefix, psize); | |
493 | ||
494 | /* Nexthop count. */ | |
495 | stream_putc(s, or->paths->count); | |
496 | ||
497 | /* Nexthop, ifindex, distance and metric information. */ | |
498 | for (ALL_LIST_ELEMENTS_RO(or->paths, node, path)) { | |
499 | if (path->nexthop.s_addr != INADDR_ANY | |
500 | && path->ifindex != 0) { | |
501 | stream_putc(s, NEXTHOP_TYPE_IPV4_IFINDEX); | |
502 | stream_put_in_addr(s, &path->nexthop); | |
503 | stream_putl(s, path->ifindex); | |
504 | } else if (path->nexthop.s_addr != INADDR_ANY) { | |
505 | stream_putc(s, NEXTHOP_TYPE_IPV4); | |
506 | stream_put_in_addr(s, &path->nexthop); | |
507 | } else { | |
508 | stream_putc(s, NEXTHOP_TYPE_IFINDEX); | |
509 | stream_putl(s, path->ifindex); | |
510 | } | |
511 | ||
512 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) { | |
513 | char buf[2][INET_ADDRSTRLEN]; | |
514 | zlog_debug( | |
515 | "Zebra: Route delete %s/%d nexthop %s", | |
516 | inet_ntop(AF_INET, &p->prefix, buf[0], | |
517 | sizeof(buf[0])), | |
518 | p->prefixlen, | |
519 | inet_ntop(AF_INET, &path->nexthop, | |
520 | buf[1], sizeof(buf[1]))); | |
521 | } | |
522 | } | |
523 | ||
524 | if (CHECK_FLAG(message, ZAPI_MESSAGE_DISTANCE)) | |
525 | stream_putc(s, distance); | |
526 | if (CHECK_FLAG(message, ZAPI_MESSAGE_METRIC)) { | |
527 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL) | |
528 | stream_putl(s, or->cost + or->u.ext.type2_cost); | |
529 | else if (or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
530 | stream_putl(s, or->u.ext.type2_cost); | |
531 | else | |
532 | stream_putl(s, or->cost); | |
533 | } | |
534 | ||
535 | stream_putw_at(s, 0, stream_get_endp(s)); | |
536 | ||
537 | zclient_send_message(zclient); | |
ba281d3d | 538 | } |
718e3744 | 539 | } |
540 | ||
d62a17ae | 541 | void ospf_zebra_add_discard(struct prefix_ipv4 *p) |
718e3744 | 542 | { |
d62a17ae | 543 | struct zapi_ipv4 api; |
544 | struct ospf *ospf = ospf_lookup(); | |
545 | ||
546 | if ((ospf->instance | |
547 | && redist_check_instance( | |
548 | &zclient->mi_redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
549 | ospf->instance)) | |
550 | || vrf_bitmap_check(zclient->redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
551 | VRF_DEFAULT)) { | |
552 | api.vrf_id = VRF_DEFAULT; | |
553 | api.type = ZEBRA_ROUTE_OSPF; | |
554 | api.instance = ospf->instance; | |
555 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
556 | api.message = 0; | |
557 | api.safi = SAFI_UNICAST; | |
558 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
559 | api.nexthop_num = 0; | |
560 | api.ifindex_num = 0; | |
561 | api.tag = 0; | |
562 | ||
563 | zapi_ipv4_route(ZEBRA_IPV4_ROUTE_ADD, zclient, p, &api); | |
564 | ||
565 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
566 | zlog_debug("Zebra: Route add discard %s/%d", | |
567 | inet_ntoa(p->prefix), p->prefixlen); | |
568 | } | |
718e3744 | 569 | } |
570 | ||
d62a17ae | 571 | void ospf_zebra_delete_discard(struct prefix_ipv4 *p) |
718e3744 | 572 | { |
d62a17ae | 573 | struct zapi_ipv4 api; |
574 | struct ospf *ospf = ospf_lookup(); | |
575 | ||
576 | if ((ospf->instance | |
577 | && redist_check_instance( | |
578 | &zclient->mi_redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
579 | ospf->instance)) | |
580 | || vrf_bitmap_check(zclient->redist[AFI_IP][ZEBRA_ROUTE_OSPF], | |
581 | VRF_DEFAULT)) { | |
582 | api.vrf_id = VRF_DEFAULT; | |
583 | api.type = ZEBRA_ROUTE_OSPF; | |
584 | api.instance = ospf->instance; | |
585 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
586 | api.message = 0; | |
587 | api.safi = SAFI_UNICAST; | |
588 | SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP); | |
589 | api.nexthop_num = 0; | |
590 | api.ifindex_num = 0; | |
591 | api.tag = 0; | |
592 | ||
593 | zapi_ipv4_route(ZEBRA_IPV4_ROUTE_DELETE, zclient, p, &api); | |
594 | ||
595 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
596 | zlog_debug("Zebra: Route delete discard %s/%d", | |
597 | inet_ntoa(p->prefix), p->prefixlen); | |
598 | } | |
718e3744 | 599 | } |
600 | ||
d62a17ae | 601 | struct ospf_external *ospf_external_lookup(u_char type, u_short instance) |
7c8ff89e | 602 | { |
d62a17ae | 603 | struct list *ext_list; |
604 | struct listnode *node; | |
605 | struct ospf_external *ext; | |
7c8ff89e | 606 | |
d62a17ae | 607 | ext_list = om->external[type]; |
608 | if (!ext_list) | |
609 | return (NULL); | |
7c8ff89e | 610 | |
d62a17ae | 611 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) |
612 | if (ext->instance == instance) | |
613 | return ext; | |
7c8ff89e | 614 | |
d62a17ae | 615 | return NULL; |
7c8ff89e DS |
616 | } |
617 | ||
d62a17ae | 618 | struct ospf_external *ospf_external_add(u_char type, u_short instance) |
7c8ff89e | 619 | { |
d62a17ae | 620 | struct list *ext_list; |
621 | struct ospf_external *ext; | |
7c8ff89e | 622 | |
d62a17ae | 623 | ext = ospf_external_lookup(type, instance); |
624 | if (ext) | |
625 | return ext; | |
7c8ff89e | 626 | |
d62a17ae | 627 | if (!om->external[type]) |
628 | om->external[type] = list_new(); | |
7c8ff89e | 629 | |
d62a17ae | 630 | ext_list = om->external[type]; |
631 | ext = (struct ospf_external *)calloc(1, sizeof(struct ospf_external)); | |
632 | ext->instance = instance; | |
633 | EXTERNAL_INFO(ext) = route_table_init(); | |
7c8ff89e | 634 | |
d62a17ae | 635 | listnode_add(ext_list, ext); |
7c8ff89e | 636 | |
d62a17ae | 637 | return ext; |
7c8ff89e DS |
638 | } |
639 | ||
d62a17ae | 640 | void ospf_external_del(u_char type, u_short instance) |
7c8ff89e | 641 | { |
d62a17ae | 642 | struct ospf_external *ext; |
643 | ||
644 | ext = ospf_external_lookup(type, instance); | |
645 | ||
646 | if (ext) { | |
647 | if (EXTERNAL_INFO(ext)) | |
648 | route_table_finish(EXTERNAL_INFO(ext)); | |
649 | ||
650 | listnode_delete(om->external[type], ext); | |
651 | if (!om->external[type]->count) { | |
652 | list_free(om->external[type]); | |
653 | om->external[type] = NULL; | |
654 | } | |
655 | } | |
7c8ff89e DS |
656 | } |
657 | ||
d62a17ae | 658 | struct ospf_redist *ospf_redist_lookup(struct ospf *ospf, u_char type, |
659 | u_short instance) | |
7c8ff89e | 660 | { |
d62a17ae | 661 | struct list *red_list; |
662 | struct listnode *node; | |
663 | struct ospf_redist *red; | |
7c8ff89e | 664 | |
d62a17ae | 665 | red_list = ospf->redist[type]; |
666 | if (!red_list) | |
667 | return (NULL); | |
7c8ff89e | 668 | |
d62a17ae | 669 | for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) |
670 | if (red->instance == instance) | |
671 | return red; | |
7c8ff89e | 672 | |
d62a17ae | 673 | return NULL; |
7c8ff89e DS |
674 | } |
675 | ||
d62a17ae | 676 | struct ospf_redist *ospf_redist_add(struct ospf *ospf, u_char type, |
677 | u_short instance) | |
7c8ff89e | 678 | { |
d62a17ae | 679 | struct list *red_list; |
680 | struct ospf_redist *red; | |
7c8ff89e | 681 | |
d62a17ae | 682 | red = ospf_redist_lookup(ospf, type, instance); |
683 | if (red) | |
684 | return red; | |
7c8ff89e | 685 | |
d62a17ae | 686 | if (!ospf->redist[type]) |
687 | ospf->redist[type] = list_new(); | |
7c8ff89e | 688 | |
d62a17ae | 689 | red_list = ospf->redist[type]; |
690 | red = (struct ospf_redist *)calloc(1, sizeof(struct ospf_redist)); | |
691 | red->instance = instance; | |
692 | red->dmetric.type = -1; | |
693 | red->dmetric.value = -1; | |
7c8ff89e | 694 | |
d62a17ae | 695 | listnode_add(red_list, red); |
7c8ff89e | 696 | |
d62a17ae | 697 | return red; |
7c8ff89e DS |
698 | } |
699 | ||
d62a17ae | 700 | void ospf_redist_del(struct ospf *ospf, u_char type, u_short instance) |
7c8ff89e | 701 | { |
d62a17ae | 702 | struct ospf_redist *red; |
703 | ||
704 | red = ospf_redist_lookup(ospf, type, instance); | |
705 | ||
706 | if (red) { | |
707 | listnode_delete(ospf->redist[type], red); | |
708 | if (!ospf->redist[type]->count) { | |
709 | list_free(ospf->redist[type]); | |
710 | ospf->redist[type] = NULL; | |
711 | } | |
712 | } | |
7c8ff89e DS |
713 | } |
714 | ||
715 | ||
d62a17ae | 716 | int ospf_is_type_redistributed(int type, u_short instance) |
718e3744 | 717 | { |
d62a17ae | 718 | return (DEFAULT_ROUTE_TYPE(type) |
719 | ? vrf_bitmap_check(zclient->default_information, | |
720 | VRF_DEFAULT) | |
721 | : ((instance | |
722 | && redist_check_instance( | |
723 | &zclient->mi_redist[AFI_IP][type], | |
724 | instance)) | |
725 | || (!instance | |
726 | && vrf_bitmap_check( | |
727 | zclient->redist[AFI_IP][type], | |
728 | VRF_DEFAULT)))); | |
718e3744 | 729 | } |
730 | ||
d62a17ae | 731 | int ospf_redistribute_set(struct ospf *ospf, int type, u_short instance, |
732 | int mtype, int mvalue) | |
718e3744 | 733 | { |
d62a17ae | 734 | int force = 0; |
735 | struct ospf_redist *red; | |
736 | ||
737 | red = ospf_redist_lookup(ospf, type, instance); | |
738 | if (ospf_is_type_redistributed(type, instance)) { | |
739 | if (mtype != red->dmetric.type) { | |
740 | red->dmetric.type = mtype; | |
741 | force = LSA_REFRESH_FORCE; | |
742 | } | |
743 | if (mvalue != red->dmetric.value) { | |
744 | red->dmetric.value = mvalue; | |
745 | force = LSA_REFRESH_FORCE; | |
746 | } | |
747 | ||
748 | ospf_external_lsa_refresh_type(ospf, type, instance, force); | |
749 | ||
750 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
751 | zlog_debug( | |
752 | "Redistribute[%s][%d]: Refresh Type[%d], Metric[%d]", | |
753 | ospf_redist_string(type), instance, | |
754 | metric_type(ospf, type, instance), | |
755 | metric_value(ospf, type, instance)); | |
756 | ||
757 | return CMD_SUCCESS; | |
758 | } | |
759 | ||
760 | red->dmetric.type = mtype; | |
761 | red->dmetric.value = mvalue; | |
762 | ||
763 | ospf_external_add(type, instance); | |
764 | ||
765 | zclient_redistribute(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP, type, | |
766 | instance, VRF_DEFAULT); | |
767 | ||
768 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
769 | zlog_debug("Redistribute[%s][%d]: Start Type[%d], Metric[%d]", | |
770 | ospf_redist_string(type), instance, | |
771 | metric_type(ospf, type, instance), | |
772 | metric_value(ospf, type, instance)); | |
773 | ||
774 | ospf_asbr_status_update(ospf, ++ospf->redistribute); | |
775 | ||
776 | return CMD_SUCCESS; | |
718e3744 | 777 | } |
778 | ||
d62a17ae | 779 | int ospf_redistribute_unset(struct ospf *ospf, int type, u_short instance) |
718e3744 | 780 | { |
d62a17ae | 781 | if (type == zclient->redist_default && instance == zclient->instance) |
782 | return CMD_SUCCESS; | |
718e3744 | 783 | |
d62a17ae | 784 | if (!ospf_is_type_redistributed(type, instance)) |
785 | return CMD_SUCCESS; | |
718e3744 | 786 | |
d62a17ae | 787 | zclient_redistribute(ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP, type, |
788 | instance, VRF_DEFAULT); | |
cf795c5d | 789 | |
d62a17ae | 790 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
791 | zlog_debug("Redistribute[%s][%d]: Stop", | |
792 | ospf_redist_string(type), instance); | |
718e3744 | 793 | |
d62a17ae | 794 | ospf_redist_del(ospf, type, instance); |
718e3744 | 795 | |
d62a17ae | 796 | /* Remove the routes from OSPF table. */ |
797 | ospf_redistribute_withdraw(ospf, type, instance); | |
7c8ff89e | 798 | |
d62a17ae | 799 | ospf_external_del(type, instance); |
718e3744 | 800 | |
d62a17ae | 801 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 802 | |
d62a17ae | 803 | return CMD_SUCCESS; |
718e3744 | 804 | } |
805 | ||
d62a17ae | 806 | int ospf_redistribute_default_set(struct ospf *ospf, int originate, int mtype, |
807 | int mvalue) | |
718e3744 | 808 | { |
d62a17ae | 809 | struct ospf_redist *red; |
7c8ff89e | 810 | |
d62a17ae | 811 | ospf->default_originate = originate; |
020709f9 | 812 | |
d62a17ae | 813 | red = ospf_redist_add(ospf, DEFAULT_ROUTE, 0); |
814 | red->dmetric.type = mtype; | |
815 | red->dmetric.value = mvalue; | |
7c8ff89e | 816 | |
d62a17ae | 817 | ospf_external_add(DEFAULT_ROUTE, 0); |
7c8ff89e | 818 | |
d62a17ae | 819 | if (ospf_is_type_redistributed(DEFAULT_ROUTE, 0)) { |
820 | /* if ospf->default_originate changes value, is calling | |
821 | ospf_external_lsa_refresh_default sufficient to implement | |
822 | the change? */ | |
823 | ospf_external_lsa_refresh_default(ospf); | |
cf795c5d | 824 | |
d62a17ae | 825 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
826 | zlog_debug( | |
827 | "Redistribute[%s]: Refresh Type[%d], Metric[%d]", | |
828 | ospf_redist_string(DEFAULT_ROUTE), | |
829 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
830 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
831 | return CMD_SUCCESS; | |
832 | } | |
718e3744 | 833 | |
d62a17ae | 834 | zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_ADD, zclient, |
835 | VRF_DEFAULT); | |
cf795c5d | 836 | |
d62a17ae | 837 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
838 | zlog_debug("Redistribute[DEFAULT]: Start Type[%d], Metric[%d]", | |
839 | metric_type(ospf, DEFAULT_ROUTE, 0), | |
840 | metric_value(ospf, DEFAULT_ROUTE, 0)); | |
718e3744 | 841 | |
d62a17ae | 842 | if (ospf->router_id.s_addr == 0) |
843 | ospf->external_origin |= (1 << DEFAULT_ROUTE); | |
844 | else | |
845 | thread_add_timer(master, ospf_default_originate_timer, ospf, 1, | |
846 | NULL); | |
718e3744 | 847 | |
d62a17ae | 848 | ospf_asbr_status_update(ospf, ++ospf->redistribute); |
718e3744 | 849 | |
d62a17ae | 850 | return CMD_SUCCESS; |
718e3744 | 851 | } |
852 | ||
d62a17ae | 853 | int ospf_redistribute_default_unset(struct ospf *ospf) |
718e3744 | 854 | { |
d62a17ae | 855 | if (!ospf_is_type_redistributed(DEFAULT_ROUTE, 0)) |
856 | return CMD_SUCCESS; | |
718e3744 | 857 | |
d62a17ae | 858 | ospf->default_originate = DEFAULT_ORIGINATE_NONE; |
859 | ospf_redist_del(ospf, DEFAULT_ROUTE, 0); | |
718e3744 | 860 | |
d62a17ae | 861 | zclient_redistribute_default(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE, zclient, |
862 | VRF_DEFAULT); | |
718e3744 | 863 | |
d62a17ae | 864 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) |
865 | zlog_debug("Redistribute[DEFAULT]: Stop"); | |
cf795c5d | 866 | |
d62a17ae | 867 | // Pending: how does the external_info cleanup work in this case? |
7c8ff89e | 868 | |
d62a17ae | 869 | ospf_asbr_status_update(ospf, --ospf->redistribute); |
718e3744 | 870 | |
d62a17ae | 871 | return CMD_SUCCESS; |
718e3744 | 872 | } |
873 | ||
d62a17ae | 874 | static int ospf_external_lsa_originate_check(struct ospf *ospf, |
875 | struct external_info *ei) | |
718e3744 | 876 | { |
d62a17ae | 877 | /* If prefix is multicast, then do not originate LSA. */ |
878 | if (IN_MULTICAST(htonl(ei->p.prefix.s_addr))) { | |
879 | zlog_info( | |
880 | "LSA[Type5:%s]: Not originate AS-external-LSA, " | |
881 | "Prefix belongs multicast", | |
882 | inet_ntoa(ei->p.prefix)); | |
883 | return 0; | |
884 | } | |
885 | ||
886 | /* Take care of default-originate. */ | |
887 | if (is_prefix_default(&ei->p)) | |
888 | if (ospf->default_originate == DEFAULT_ORIGINATE_NONE) { | |
889 | zlog_info( | |
890 | "LSA[Type5:0.0.0.0]: Not originate AS-external-LSA " | |
891 | "for default"); | |
892 | return 0; | |
893 | } | |
894 | ||
895 | return 1; | |
718e3744 | 896 | } |
897 | ||
898 | /* If connected prefix is OSPF enable interface, then do not announce. */ | |
d62a17ae | 899 | int ospf_distribute_check_connected(struct ospf *ospf, struct external_info *ei) |
718e3744 | 900 | { |
d62a17ae | 901 | struct listnode *node; |
902 | struct ospf_interface *oi; | |
718e3744 | 903 | |
718e3744 | 904 | |
d62a17ae | 905 | for (ALL_LIST_ELEMENTS_RO(ospf->oiflist, node, oi)) |
906 | if (prefix_match(oi->address, (struct prefix *)&ei->p)) | |
907 | return 0; | |
908 | return 1; | |
718e3744 | 909 | } |
910 | ||
911 | /* return 1 if external LSA must be originated, 0 otherwise */ | |
d62a17ae | 912 | int ospf_redistribute_check(struct ospf *ospf, struct external_info *ei, |
913 | int *changed) | |
718e3744 | 914 | { |
d62a17ae | 915 | struct route_map_set_values save_values; |
916 | struct prefix_ipv4 *p = &ei->p; | |
917 | struct ospf_redist *red; | |
918 | u_char type = is_prefix_default(&ei->p) ? DEFAULT_ROUTE : ei->type; | |
919 | u_short instance = is_prefix_default(&ei->p) ? 0 : ei->instance; | |
920 | ||
921 | if (changed) | |
922 | *changed = 0; | |
923 | ||
924 | if (!ospf_external_lsa_originate_check(ospf, ei)) | |
925 | return 0; | |
926 | ||
927 | /* Take care connected route. */ | |
928 | if (type == ZEBRA_ROUTE_CONNECT | |
929 | && !ospf_distribute_check_connected(ospf, ei)) | |
930 | return 0; | |
931 | ||
932 | if (!DEFAULT_ROUTE_TYPE(type) && DISTRIBUTE_NAME(ospf, type)) | |
933 | /* distirbute-list exists, but access-list may not? */ | |
934 | if (DISTRIBUTE_LIST(ospf, type)) | |
935 | if (access_list_apply(DISTRIBUTE_LIST(ospf, type), p) | |
936 | == FILTER_DENY) { | |
937 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
938 | zlog_debug( | |
939 | "Redistribute[%s]: %s/%d filtered by ditribute-list.", | |
940 | ospf_redist_string(type), | |
941 | inet_ntoa(p->prefix), | |
942 | p->prefixlen); | |
943 | return 0; | |
944 | } | |
945 | ||
946 | save_values = ei->route_map_set; | |
947 | ospf_reset_route_map_set_values(&ei->route_map_set); | |
948 | ||
949 | /* apply route-map if needed */ | |
950 | red = ospf_redist_lookup(ospf, type, instance); | |
951 | if (red && ROUTEMAP_NAME(red)) { | |
952 | int ret; | |
953 | ||
954 | ret = route_map_apply(ROUTEMAP(red), (struct prefix *)p, | |
955 | RMAP_OSPF, ei); | |
956 | ||
957 | if (ret == RMAP_DENYMATCH) { | |
958 | ei->route_map_set = save_values; | |
959 | if (IS_DEBUG_OSPF(zebra, ZEBRA_REDISTRIBUTE)) | |
960 | zlog_debug( | |
961 | "Redistribute[%s]: %s/%d filtered by route-map.", | |
962 | ospf_redist_string(type), | |
963 | inet_ntoa(p->prefix), p->prefixlen); | |
964 | return 0; | |
965 | } | |
966 | ||
967 | /* check if 'route-map set' changed something */ | |
968 | if (changed) | |
969 | *changed = !ospf_route_map_set_compare( | |
970 | &ei->route_map_set, &save_values); | |
971 | } | |
972 | ||
973 | return 1; | |
718e3744 | 974 | } |
975 | ||
976 | /* OSPF route-map set for redistribution */ | |
d62a17ae | 977 | void ospf_routemap_set(struct ospf_redist *red, const char *name) |
718e3744 | 978 | { |
d62a17ae | 979 | if (ROUTEMAP_NAME(red)) |
980 | free(ROUTEMAP_NAME(red)); | |
718e3744 | 981 | |
d62a17ae | 982 | ROUTEMAP_NAME(red) = strdup(name); |
983 | ROUTEMAP(red) = route_map_lookup_by_name(name); | |
718e3744 | 984 | } |
985 | ||
d62a17ae | 986 | void ospf_routemap_unset(struct ospf_redist *red) |
718e3744 | 987 | { |
d62a17ae | 988 | if (ROUTEMAP_NAME(red)) |
989 | free(ROUTEMAP_NAME(red)); | |
718e3744 | 990 | |
d62a17ae | 991 | ROUTEMAP_NAME(red) = NULL; |
992 | ROUTEMAP(red) = NULL; | |
718e3744 | 993 | } |
994 | ||
995 | /* Zebra route add and delete treatment. */ | |
d62a17ae | 996 | static int ospf_zebra_read_ipv4(int command, struct zclient *zclient, |
997 | zebra_size_t length, vrf_id_t vrf_id) | |
718e3744 | 998 | { |
d62a17ae | 999 | struct stream *s; |
1000 | struct zapi_ipv4 api; | |
1001 | unsigned long ifindex; | |
1002 | struct in_addr nexthop; | |
1003 | struct prefix_ipv4 p; | |
1004 | struct external_info *ei; | |
1005 | struct ospf *ospf; | |
1006 | int i; | |
1007 | ||
1008 | s = zclient->ibuf; | |
1009 | ifindex = 0; | |
1010 | nexthop.s_addr = 0; | |
1011 | ||
1012 | /* Type, flags, message. */ | |
1013 | api.type = stream_getc(s); | |
1014 | api.instance = stream_getw(s); | |
1015 | api.flags = stream_getl(s); | |
1016 | api.message = stream_getc(s); | |
1017 | ||
1018 | /* IPv4 prefix. */ | |
1019 | memset(&p, 0, sizeof(struct prefix_ipv4)); | |
1020 | p.family = AF_INET; | |
1021 | p.prefixlen = MIN(IPV4_MAX_PREFIXLEN, stream_getc(s)); | |
1022 | stream_get(&p.prefix, s, PSIZE(p.prefixlen)); | |
1023 | ||
1024 | if (IPV4_NET127(ntohl(p.prefix.s_addr))) | |
1025 | return 0; | |
1026 | ||
1027 | /* Nexthop, ifindex, distance, metric. */ | |
1028 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP)) { | |
1029 | api.nexthop_num = stream_getc(s); | |
1030 | nexthop.s_addr = stream_get_ipv4(s); | |
1031 | } | |
1032 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_IFINDEX)) { | |
1033 | api.ifindex_num = stream_getc(s); | |
1034 | /* XXX assert(api.ifindex_num == 1); */ | |
1035 | ifindex = stream_getl(s); | |
1036 | } | |
1037 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_DISTANCE)) | |
1038 | api.distance = stream_getc(s); | |
1039 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_METRIC)) | |
1040 | api.metric = stream_getl(s); | |
1041 | if (CHECK_FLAG(api.message, ZAPI_MESSAGE_TAG)) | |
1042 | api.tag = stream_getl(s); | |
1043 | else | |
1044 | api.tag = 0; | |
1045 | ||
1046 | ospf = ospf_lookup(); | |
1047 | if (ospf == NULL) | |
1048 | return 0; | |
1049 | ||
1050 | if (command == ZEBRA_REDISTRIBUTE_IPV4_ADD) { | |
1051 | /* XXX|HACK|TODO|FIXME: | |
1052 | * Maybe we should ignore reject/blackhole routes? Testing shows | |
1053 | * that | |
1054 | * there is no problems though and this is only way to | |
1055 | * "summarize" | |
1056 | * routes in ASBR at the moment. Maybe we need just a better | |
1057 | * generalised | |
1058 | * solution for these types? | |
1059 | * | |
1060 | * if ( CHECK_FLAG (api.flags, ZEBRA_FLAG_BLACKHOLE) | |
1061 | * || CHECK_FLAG (api.flags, ZEBRA_FLAG_REJECT)) | |
1062 | * return 0; | |
1063 | */ | |
1064 | ||
1065 | /* Protocol tag overwrites all other tag value send by zebra */ | |
1066 | if (ospf->dtag[api.type] > 0) | |
1067 | api.tag = ospf->dtag[api.type]; | |
1068 | ||
1069 | /* | |
1070 | * Given zebra sends update for a prefix via ADD message, it | |
1071 | * should | |
1072 | * be considered as an implicit DEL for that prefix with other | |
1073 | * source | |
1074 | * types. | |
1075 | */ | |
1076 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) | |
1077 | if (i != api.type) | |
1078 | ospf_external_info_delete(i, api.instance, p); | |
1079 | ||
1080 | ei = ospf_external_info_add(api.type, api.instance, p, ifindex, | |
1081 | nexthop, api.tag); | |
1082 | if (ei == NULL) { | |
1083 | /* Nothing has changed, so nothing to do; return */ | |
1084 | return 0; | |
1085 | } | |
1086 | if (ospf->router_id.s_addr == 0) | |
1087 | /* Set flags to generate AS-external-LSA originate event | |
1088 | for each redistributed protocols later. */ | |
1089 | ospf->external_origin |= (1 << api.type); | |
1090 | else { | |
1091 | if (ei) { | |
1092 | if (is_prefix_default(&p)) | |
1093 | ospf_external_lsa_refresh_default(ospf); | |
1094 | else { | |
1095 | struct ospf_lsa *current; | |
1096 | ||
1097 | current = ospf_external_info_find_lsa( | |
1098 | ospf, &ei->p); | |
1099 | if (!current) | |
1100 | ospf_external_lsa_originate( | |
1101 | ospf, ei); | |
1102 | else { | |
1103 | if (IS_DEBUG_OSPF( | |
1104 | zebra, | |
1105 | ZEBRA_REDISTRIBUTE)) | |
1106 | zlog_debug( | |
1107 | "ospf_zebra_read_ipv4() : %s refreshing LSA", | |
1108 | inet_ntoa( | |
1109 | p.prefix)); | |
1110 | ospf_external_lsa_refresh( | |
1111 | ospf, current, ei, | |
1112 | LSA_REFRESH_FORCE); | |
1113 | } | |
1114 | } | |
1115 | } | |
1116 | } | |
1117 | } else /* if (command == ZEBRA_REDISTRIBUTE_IPV4_DEL) */ | |
5048fe14 | 1118 | { |
d62a17ae | 1119 | ospf_external_info_delete(api.type, api.instance, p); |
1120 | if (is_prefix_default(&p)) | |
1121 | ospf_external_lsa_refresh_default(ospf); | |
1122 | else | |
1123 | ospf_external_lsa_flush(ospf, api.type, &p, | |
1124 | ifindex /*, nexthop */); | |
5048fe14 | 1125 | } |
d62a17ae | 1126 | |
1127 | return 0; | |
718e3744 | 1128 | } |
6b0655a2 | 1129 | |
cf795c5d | 1130 | |
d62a17ae | 1131 | int ospf_distribute_list_out_set(struct ospf *ospf, int type, const char *name) |
718e3744 | 1132 | { |
d62a17ae | 1133 | /* Lookup access-list for distribute-list. */ |
1134 | DISTRIBUTE_LIST(ospf, type) = access_list_lookup(AFI_IP, name); | |
718e3744 | 1135 | |
d62a17ae | 1136 | /* Clear previous distribute-name. */ |
1137 | if (DISTRIBUTE_NAME(ospf, type)) | |
1138 | free(DISTRIBUTE_NAME(ospf, type)); | |
718e3744 | 1139 | |
d62a17ae | 1140 | /* Set distribute-name. */ |
1141 | DISTRIBUTE_NAME(ospf, type) = strdup(name); | |
718e3744 | 1142 | |
d62a17ae | 1143 | /* If access-list have been set, schedule update timer. */ |
1144 | if (DISTRIBUTE_LIST(ospf, type)) | |
1145 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1146 | |
d62a17ae | 1147 | return CMD_SUCCESS; |
718e3744 | 1148 | } |
1149 | ||
d62a17ae | 1150 | int ospf_distribute_list_out_unset(struct ospf *ospf, int type, |
1151 | const char *name) | |
718e3744 | 1152 | { |
d62a17ae | 1153 | /* Schedule update timer. */ |
1154 | if (DISTRIBUTE_LIST(ospf, type)) | |
1155 | ospf_distribute_list_update(ospf, type, 0); | |
718e3744 | 1156 | |
d62a17ae | 1157 | /* Unset distribute-list. */ |
1158 | DISTRIBUTE_LIST(ospf, type) = NULL; | |
718e3744 | 1159 | |
d62a17ae | 1160 | /* Clear distribute-name. */ |
1161 | if (DISTRIBUTE_NAME(ospf, type)) | |
1162 | free(DISTRIBUTE_NAME(ospf, type)); | |
cf795c5d | 1163 | |
d62a17ae | 1164 | DISTRIBUTE_NAME(ospf, type) = NULL; |
718e3744 | 1165 | |
d62a17ae | 1166 | return CMD_SUCCESS; |
718e3744 | 1167 | } |
1168 | ||
1169 | /* distribute-list update timer. */ | |
d62a17ae | 1170 | static int ospf_distribute_list_update_timer(struct thread *thread) |
718e3744 | 1171 | { |
d62a17ae | 1172 | struct route_node *rn; |
1173 | struct external_info *ei; | |
1174 | struct route_table *rt; | |
1175 | struct ospf_lsa *lsa; | |
1176 | int type, default_refresh = 0; | |
1177 | struct ospf *ospf; | |
1178 | ||
1179 | ospf = ospf_lookup(); | |
1180 | if (ospf == NULL) | |
1181 | return 0; | |
1182 | ||
1183 | ospf->t_distribute_update = NULL; | |
1184 | ||
1185 | zlog_info("Zebra[Redistribute]: distribute-list update timer fired!"); | |
1186 | ||
1187 | /* foreach all external info. */ | |
1188 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1189 | struct list *ext_list; | |
1190 | struct listnode *node; | |
1191 | struct ospf_external *ext; | |
1192 | ||
1193 | ext_list = om->external[type]; | |
1194 | if (!ext_list) | |
1195 | continue; | |
1196 | ||
1197 | for (ALL_LIST_ELEMENTS_RO(ext_list, node, ext)) { | |
1198 | rt = ext->external_info; | |
1199 | if (!rt) | |
1200 | continue; | |
1201 | for (rn = route_top(rt); rn; rn = route_next(rn)) | |
1202 | if ((ei = rn->info) != NULL) { | |
1203 | if (is_prefix_default(&ei->p)) | |
1204 | default_refresh = 1; | |
1205 | else if ( | |
1206 | (lsa = ospf_external_info_find_lsa( | |
1207 | ospf, &ei->p))) | |
1208 | ospf_external_lsa_refresh( | |
1209 | ospf, lsa, ei, | |
1210 | LSA_REFRESH_IF_CHANGED); | |
1211 | else | |
1212 | ospf_external_lsa_originate( | |
1213 | ospf, ei); | |
1214 | } | |
1215 | } | |
1216 | } | |
1217 | if (default_refresh) | |
1218 | ospf_external_lsa_refresh_default(ospf); | |
1219 | return 0; | |
718e3744 | 1220 | } |
1221 | ||
718e3744 | 1222 | /* Update distribute-list and set timer to apply access-list. */ |
d62a17ae | 1223 | void ospf_distribute_list_update(struct ospf *ospf, uintptr_t type, |
1224 | u_short instance) | |
718e3744 | 1225 | { |
d62a17ae | 1226 | struct route_table *rt; |
1227 | struct ospf_external *ext; | |
1228 | ||
1229 | /* External info does not exist. */ | |
1230 | ext = ospf_external_lookup(type, instance); | |
1231 | if (!ext || !(rt = EXTERNAL_INFO(ext))) | |
1232 | return; | |
1233 | ||
1234 | /* If exists previously invoked thread, then let it continue. */ | |
1235 | if (ospf->t_distribute_update) | |
1236 | return; | |
1237 | ||
1238 | /* Set timer. */ | |
1239 | ospf->t_distribute_update = NULL; | |
1240 | thread_add_timer_msec(master, ospf_distribute_list_update_timer, | |
1241 | (void *)type, ospf->min_ls_interval, | |
1242 | &ospf->t_distribute_update); | |
718e3744 | 1243 | } |
1244 | ||
1245 | /* If access-list is updated, apply some check. */ | |
d62a17ae | 1246 | static void ospf_filter_update(struct access_list *access) |
718e3744 | 1247 | { |
d62a17ae | 1248 | struct ospf *ospf; |
1249 | int type; | |
1250 | int abr_inv = 0; | |
1251 | struct ospf_area *area; | |
1252 | struct listnode *node; | |
1253 | ||
1254 | /* If OSPF instance does not exist, return right now. */ | |
1255 | ospf = ospf_lookup(); | |
1256 | if (ospf == NULL) | |
1257 | return; | |
1258 | ||
1259 | /* Update distribute-list, and apply filter. */ | |
1260 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1261 | struct list *red_list; | |
1262 | struct listnode *node; | |
1263 | struct ospf_redist *red; | |
1264 | ||
1265 | red_list = ospf->redist[type]; | |
1266 | if (red_list) | |
1267 | for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) { | |
1268 | if (ROUTEMAP(red)) { | |
1269 | /* if route-map is not NULL it may be | |
1270 | * using this access list */ | |
1271 | ospf_distribute_list_update( | |
1272 | ospf, type, red->instance); | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | /* There is place for route-map for default-information | |
1277 | * (ZEBRA_ROUTE_MAX), | |
1278 | * but no distribute list. */ | |
1279 | if (type == ZEBRA_ROUTE_MAX) | |
1280 | break; | |
1281 | ||
1282 | if (DISTRIBUTE_NAME(ospf, type)) { | |
1283 | /* Keep old access-list for distribute-list. */ | |
1284 | struct access_list *old = DISTRIBUTE_LIST(ospf, type); | |
1285 | ||
1286 | /* Update access-list for distribute-list. */ | |
1287 | DISTRIBUTE_LIST(ospf, type) = access_list_lookup( | |
1288 | AFI_IP, DISTRIBUTE_NAME(ospf, type)); | |
1289 | ||
1290 | /* No update for this distribute type. */ | |
1291 | if (old == NULL && DISTRIBUTE_LIST(ospf, type) == NULL) | |
1292 | continue; | |
1293 | ||
1294 | /* Schedule distribute-list update timer. */ | |
1295 | if (DISTRIBUTE_LIST(ospf, type) == NULL | |
1296 | || strcmp(DISTRIBUTE_NAME(ospf, type), access->name) | |
1297 | == 0) | |
1298 | ospf_distribute_list_update(ospf, type, 0); | |
1299 | } | |
1300 | } | |
1301 | ||
1302 | /* Update Area access-list. */ | |
1303 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1304 | if (EXPORT_NAME(area)) { | |
1305 | EXPORT_LIST(area) = NULL; | |
1306 | abr_inv++; | |
1307 | } | |
1308 | ||
1309 | if (IMPORT_NAME(area)) { | |
1310 | IMPORT_LIST(area) = NULL; | |
1311 | abr_inv++; | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | /* Schedule ABR tasks -- this will be changed -- takada. */ | |
1316 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1317 | ospf_schedule_abr_task(ospf); | |
718e3744 | 1318 | } |
dd669bb0 | 1319 | |
1320 | /* If prefix-list is updated, do some updates. */ | |
d62a17ae | 1321 | void ospf_prefix_list_update(struct prefix_list *plist) |
dd669bb0 | 1322 | { |
d62a17ae | 1323 | struct ospf *ospf; |
1324 | int type; | |
1325 | int abr_inv = 0; | |
1326 | struct ospf_area *area; | |
1327 | struct listnode *node; | |
1328 | ||
1329 | /* If OSPF instatnce does not exist, return right now. */ | |
1330 | ospf = ospf_lookup(); | |
1331 | if (ospf == NULL) | |
1332 | return; | |
1333 | ||
1334 | /* Update all route-maps which are used as redistribution filters. | |
1335 | * They might use prefix-list. | |
1336 | */ | |
1337 | for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) { | |
1338 | struct list *red_list; | |
1339 | struct listnode *node; | |
1340 | struct ospf_redist *red; | |
1341 | ||
1342 | red_list = ospf->redist[type]; | |
1343 | if (red_list) | |
1344 | for (ALL_LIST_ELEMENTS_RO(red_list, node, red)) { | |
1345 | if (ROUTEMAP(red)) { | |
1346 | /* if route-map is not NULL it may be | |
1347 | * using this prefix list */ | |
1348 | ospf_distribute_list_update( | |
1349 | ospf, type, red->instance); | |
1350 | } | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | /* Update area filter-lists. */ | |
1355 | for (ALL_LIST_ELEMENTS_RO(ospf->areas, node, area)) { | |
1356 | /* Update filter-list in. */ | |
1357 | if (PREFIX_NAME_IN(area)) | |
1358 | if (strcmp(PREFIX_NAME_IN(area), | |
1359 | prefix_list_name(plist)) | |
1360 | == 0) { | |
1361 | PREFIX_LIST_IN(area) = prefix_list_lookup( | |
1362 | AFI_IP, PREFIX_NAME_IN(area)); | |
1363 | abr_inv++; | |
1364 | } | |
1365 | ||
1366 | /* Update filter-list out. */ | |
1367 | if (PREFIX_NAME_OUT(area)) | |
1368 | if (strcmp(PREFIX_NAME_OUT(area), | |
1369 | prefix_list_name(plist)) | |
1370 | == 0) { | |
1371 | PREFIX_LIST_IN(area) = prefix_list_lookup( | |
1372 | AFI_IP, PREFIX_NAME_OUT(area)); | |
1373 | abr_inv++; | |
1374 | } | |
1375 | } | |
1376 | ||
1377 | /* Schedule ABR task. */ | |
1378 | if (IS_OSPF_ABR(ospf) && abr_inv) | |
1379 | ospf_schedule_abr_task(ospf); | |
dd669bb0 | 1380 | } |
cf795c5d | 1381 | |
d62a17ae | 1382 | static struct ospf_distance *ospf_distance_new(void) |
718e3744 | 1383 | { |
d62a17ae | 1384 | return XCALLOC(MTYPE_OSPF_DISTANCE, sizeof(struct ospf_distance)); |
718e3744 | 1385 | } |
1386 | ||
d62a17ae | 1387 | static void ospf_distance_free(struct ospf_distance *odistance) |
718e3744 | 1388 | { |
d62a17ae | 1389 | XFREE(MTYPE_OSPF_DISTANCE, odistance); |
718e3744 | 1390 | } |
1391 | ||
d62a17ae | 1392 | int ospf_distance_set(struct vty *vty, struct ospf *ospf, |
1393 | const char *distance_str, const char *ip_str, | |
1394 | const char *access_list_str) | |
718e3744 | 1395 | { |
d62a17ae | 1396 | int ret; |
1397 | struct prefix_ipv4 p; | |
1398 | u_char distance; | |
1399 | struct route_node *rn; | |
1400 | struct ospf_distance *odistance; | |
1401 | ||
1402 | ret = str2prefix_ipv4(ip_str, &p); | |
1403 | if (ret == 0) { | |
1404 | vty_out(vty, "Malformed prefix\n"); | |
1405 | return CMD_WARNING_CONFIG_FAILED; | |
1406 | } | |
1407 | ||
1408 | distance = atoi(distance_str); | |
1409 | ||
1410 | /* Get OSPF distance node. */ | |
1411 | rn = route_node_get(ospf->distance_table, (struct prefix *)&p); | |
1412 | if (rn->info) { | |
1413 | odistance = rn->info; | |
1414 | route_unlock_node(rn); | |
1415 | } else { | |
1416 | odistance = ospf_distance_new(); | |
1417 | rn->info = odistance; | |
1418 | } | |
1419 | ||
1420 | /* Set distance value. */ | |
1421 | odistance->distance = distance; | |
1422 | ||
1423 | /* Reset access-list configuration. */ | |
1424 | if (odistance->access_list) { | |
1425 | free(odistance->access_list); | |
1426 | odistance->access_list = NULL; | |
1427 | } | |
1428 | if (access_list_str) | |
1429 | odistance->access_list = strdup(access_list_str); | |
1430 | ||
1431 | return CMD_SUCCESS; | |
718e3744 | 1432 | } |
1433 | ||
d62a17ae | 1434 | int ospf_distance_unset(struct vty *vty, struct ospf *ospf, |
1435 | const char *distance_str, const char *ip_str, | |
1436 | char const *access_list_str) | |
718e3744 | 1437 | { |
d62a17ae | 1438 | int ret; |
1439 | struct prefix_ipv4 p; | |
1440 | struct route_node *rn; | |
1441 | struct ospf_distance *odistance; | |
1442 | ||
1443 | ret = str2prefix_ipv4(ip_str, &p); | |
1444 | if (ret == 0) { | |
1445 | vty_out(vty, "Malformed prefix\n"); | |
1446 | return CMD_WARNING_CONFIG_FAILED; | |
1447 | } | |
1448 | ||
1449 | rn = route_node_lookup(ospf->distance_table, (struct prefix *)&p); | |
1450 | if (!rn) { | |
1451 | vty_out(vty, "Can't find specified prefix\n"); | |
1452 | return CMD_WARNING_CONFIG_FAILED; | |
1453 | } | |
1454 | ||
1455 | odistance = rn->info; | |
1456 | ||
1457 | if (odistance->access_list) | |
1458 | free(odistance->access_list); | |
1459 | ospf_distance_free(odistance); | |
1460 | ||
1461 | rn->info = NULL; | |
1462 | route_unlock_node(rn); | |
1463 | route_unlock_node(rn); | |
1464 | ||
1465 | return CMD_SUCCESS; | |
718e3744 | 1466 | } |
1467 | ||
d62a17ae | 1468 | void ospf_distance_reset(struct ospf *ospf) |
718e3744 | 1469 | { |
d62a17ae | 1470 | struct route_node *rn; |
1471 | struct ospf_distance *odistance; | |
1472 | ||
1473 | for (rn = route_top(ospf->distance_table); rn; rn = route_next(rn)) | |
1474 | if ((odistance = rn->info) != NULL) { | |
1475 | if (odistance->access_list) | |
1476 | free(odistance->access_list); | |
1477 | ospf_distance_free(odistance); | |
1478 | rn->info = NULL; | |
1479 | route_unlock_node(rn); | |
1480 | } | |
718e3744 | 1481 | } |
1482 | ||
d62a17ae | 1483 | u_char ospf_distance_apply(struct prefix_ipv4 *p, struct ospf_route * or) |
718e3744 | 1484 | { |
d62a17ae | 1485 | struct ospf *ospf; |
718e3744 | 1486 | |
d62a17ae | 1487 | ospf = ospf_lookup(); |
1488 | if (ospf == NULL) | |
1489 | return 0; | |
718e3744 | 1490 | |
d62a17ae | 1491 | if (ospf->distance_intra) |
1492 | if (or->path_type == OSPF_PATH_INTRA_AREA) | |
1493 | return ospf->distance_intra; | |
718e3744 | 1494 | |
d62a17ae | 1495 | if (ospf->distance_inter) |
1496 | if (or->path_type == OSPF_PATH_INTER_AREA) | |
1497 | return ospf->distance_inter; | |
718e3744 | 1498 | |
d62a17ae | 1499 | if (ospf->distance_external) |
1500 | if (or->path_type == OSPF_PATH_TYPE1_EXTERNAL || | |
1501 | or->path_type == OSPF_PATH_TYPE2_EXTERNAL) | |
1502 | return ospf->distance_external; | |
cf795c5d | 1503 | |
d62a17ae | 1504 | if (ospf->distance_all) |
1505 | return ospf->distance_all; | |
718e3744 | 1506 | |
d62a17ae | 1507 | return 0; |
718e3744 | 1508 | } |
1509 | ||
d62a17ae | 1510 | static void ospf_zebra_connected(struct zclient *zclient) |
7076bb2f | 1511 | { |
d62a17ae | 1512 | /* Send the client registration */ |
1513 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
2376c3f2 | 1514 | |
d62a17ae | 1515 | zclient_send_reg_requests(zclient, VRF_DEFAULT); |
7076bb2f FL |
1516 | } |
1517 | ||
d62a17ae | 1518 | void ospf_zebra_init(struct thread_master *master, u_short instance) |
718e3744 | 1519 | { |
d62a17ae | 1520 | /* Allocate zebra structure. */ |
1521 | zclient = zclient_new(master); | |
1522 | zclient_init(zclient, ZEBRA_ROUTE_OSPF, instance); | |
1523 | zclient->zebra_connected = ospf_zebra_connected; | |
1524 | zclient->router_id_update = ospf_router_id_update_zebra; | |
1525 | zclient->interface_add = ospf_interface_add; | |
1526 | zclient->interface_delete = ospf_interface_delete; | |
1527 | zclient->interface_up = ospf_interface_state_up; | |
1528 | zclient->interface_down = ospf_interface_state_down; | |
1529 | zclient->interface_address_add = ospf_interface_address_add; | |
1530 | zclient->interface_address_delete = ospf_interface_address_delete; | |
1531 | zclient->interface_link_params = ospf_interface_link_params; | |
1532 | ||
1533 | zclient->redistribute_route_ipv4_add = ospf_zebra_read_ipv4; | |
1534 | zclient->redistribute_route_ipv4_del = ospf_zebra_read_ipv4; | |
1535 | ||
1536 | access_list_add_hook(ospf_filter_update); | |
1537 | access_list_delete_hook(ospf_filter_update); | |
1538 | prefix_list_add_hook(ospf_prefix_list_update); | |
1539 | prefix_list_delete_hook(ospf_prefix_list_update); | |
718e3744 | 1540 | } |