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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 3 | * |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the | |
18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | * Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
508e53e2 | 22 | #include <zebra.h> |
23 | ||
24 | #include "log.h" | |
25 | #include "vty.h" | |
26 | #include "command.h" | |
27 | #include "prefix.h" | |
28 | #include "stream.h" | |
29 | #include "zclient.h" | |
30 | #include "memory.h" | |
2376c3f2 | 31 | #include "lib/bfd.h" |
718e3744 | 32 | |
508e53e2 | 33 | #include "ospf6_proto.h" |
34 | #include "ospf6_top.h" | |
718e3744 | 35 | #include "ospf6_interface.h" |
508e53e2 | 36 | #include "ospf6_route.h" |
37 | #include "ospf6_lsa.h" | |
049207c3 | 38 | #include "ospf6_lsdb.h" |
718e3744 | 39 | #include "ospf6_asbr.h" |
508e53e2 | 40 | #include "ospf6_zebra.h" |
049207c3 | 41 | #include "ospf6d.h" |
718e3744 | 42 | |
baff583e MZ |
43 | DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_DISTANCE, "OSPF6 distance") |
44 | ||
508e53e2 | 45 | unsigned char conf_debug_ospf6_zebra = 0; |
718e3744 | 46 | |
47 | /* information about zebra. */ | |
48 | struct zclient *zclient = NULL; | |
49 | ||
18a6dce6 | 50 | struct in_addr router_id_zebra; |
51 | ||
52 | /* Router-id update message from zebra. */ | |
6ac29a51 | 53 | static int |
18a6dce6 | 54 | ospf6_router_id_update_zebra (int command, struct zclient *zclient, |
7076bb2f | 55 | zebra_size_t length, vrf_id_t vrf_id) |
18a6dce6 | 56 | { |
57 | struct prefix router_id; | |
58 | struct ospf6 *o = ospf6; | |
59 | ||
60 | zebra_router_id_update_read(zclient->ibuf,&router_id); | |
61 | router_id_zebra = router_id.u.prefix4; | |
62 | ||
c1ba9e8a | 63 | if (o == NULL) |
64 | return 0; | |
65 | ||
18a6dce6 | 66 | if (o->router_id == 0) |
67 | o->router_id = (u_int32_t) router_id_zebra.s_addr; | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
718e3744 | 72 | /* redistribute function */ |
73 | void | |
74 | ospf6_zebra_redistribute (int type) | |
75 | { | |
7076bb2f | 76 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
718e3744 | 77 | return; |
7076bb2f FL |
78 | vrf_bitmap_set (zclient->redist[AFI_IP6][type], VRF_DEFAULT); |
79 | ||
718e3744 | 80 | if (zclient->sock > 0) |
7076bb2f FL |
81 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6, type, 0, |
82 | VRF_DEFAULT); | |
718e3744 | 83 | } |
84 | ||
85 | void | |
86 | ospf6_zebra_no_redistribute (int type) | |
87 | { | |
7076bb2f | 88 | if (!vrf_bitmap_check (zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
718e3744 | 89 | return; |
7076bb2f | 90 | vrf_bitmap_unset (zclient->redist[AFI_IP6][type], VRF_DEFAULT); |
718e3744 | 91 | if (zclient->sock > 0) |
7076bb2f FL |
92 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP6, type, |
93 | 0, VRF_DEFAULT); | |
718e3744 | 94 | } |
95 | ||
718e3744 | 96 | /* Inteface addition message from zebra. */ |
6ac29a51 | 97 | static int |
7076bb2f FL |
98 | ospf6_zebra_if_add (int command, struct zclient *zclient, zebra_size_t length, |
99 | vrf_id_t vrf_id) | |
718e3744 | 100 | { |
101 | struct interface *ifp; | |
102 | ||
7076bb2f | 103 | ifp = zebra_interface_add_read (zclient->ibuf, vrf_id); |
508e53e2 | 104 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 105 | zlog_debug ("Zebra Interface add: %s index %d mtu %d", |
106 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 107 | ospf6_interface_if_add (ifp); |
718e3744 | 108 | return 0; |
109 | } | |
110 | ||
6ac29a51 | 111 | static int |
7076bb2f FL |
112 | ospf6_zebra_if_del (int command, struct zclient *zclient, zebra_size_t length, |
113 | vrf_id_t vrf_id) | |
718e3744 | 114 | { |
508e53e2 | 115 | struct interface *ifp; |
718e3744 | 116 | |
7076bb2f | 117 | if (!(ifp = zebra_interface_state_read (zclient->ibuf, vrf_id))) |
d2fc8896 | 118 | return 0; |
119 | ||
120 | if (if_is_up (ifp)) | |
121 | zlog_warn ("Zebra: got delete of %s, but interface is still up", ifp->name); | |
122 | ||
508e53e2 | 123 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 124 | zlog_debug ("Zebra Interface delete: %s index %d mtu %d", |
125 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 126 | |
d2fc8896 | 127 | #if 0 |
d9628728 CF |
128 | /* XXX: ospf6_interface_if_del is not the right way to handle this, |
129 | * because among other thinkable issues, it will also clear all | |
130 | * settings as they are contained in the struct ospf6_interface. */ | |
718e3744 | 131 | ospf6_interface_if_del (ifp); |
508e53e2 | 132 | #endif /*0*/ |
d2fc8896 | 133 | |
84361d61 | 134 | ifp->ifindex = IFINDEX_DELETED; |
718e3744 | 135 | return 0; |
136 | } | |
137 | ||
6ac29a51 | 138 | static int |
718e3744 | 139 | ospf6_zebra_if_state_update (int command, struct zclient *zclient, |
7076bb2f | 140 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 141 | { |
142 | struct interface *ifp; | |
143 | ||
7076bb2f | 144 | ifp = zebra_interface_state_read (zclient->ibuf, vrf_id); |
57c4f4f4 IF |
145 | if (ifp == NULL) |
146 | return 0; | |
147 | ||
508e53e2 | 148 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 149 | zlog_debug ("Zebra Interface state change: " |
c19543b2 | 150 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", |
30d20590 | 151 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, |
c19543b2 | 152 | ifp->metric, ifp->mtu6, ifp->bandwidth); |
718e3744 | 153 | |
154 | ospf6_interface_state_update (ifp); | |
155 | return 0; | |
156 | } | |
157 | ||
6ac29a51 | 158 | static int |
718e3744 | 159 | ospf6_zebra_if_address_update_add (int command, struct zclient *zclient, |
7076bb2f | 160 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 161 | { |
162 | struct connected *c; | |
163 | char buf[128]; | |
164 | ||
7076bb2f FL |
165 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, zclient->ibuf, |
166 | vrf_id); | |
718e3744 | 167 | if (c == NULL) |
168 | return 0; | |
169 | ||
508e53e2 | 170 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 171 | zlog_debug ("Zebra Interface address add: %s %5s %s/%d", |
172 | c->ifp->name, prefix_family_str (c->address), | |
173 | inet_ntop (c->address->family, &c->address->u.prefix, | |
174 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 175 | |
176 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
177 | { |
178 | ospf6_interface_state_update (c->ifp); | |
179 | ospf6_interface_connected_route_update (c->ifp); | |
180 | } | |
718e3744 | 181 | return 0; |
182 | } | |
183 | ||
6ac29a51 | 184 | static int |
718e3744 | 185 | ospf6_zebra_if_address_update_delete (int command, struct zclient *zclient, |
7076bb2f | 186 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 187 | { |
188 | struct connected *c; | |
189 | char buf[128]; | |
190 | ||
7076bb2f FL |
191 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, zclient->ibuf, |
192 | vrf_id); | |
718e3744 | 193 | if (c == NULL) |
194 | return 0; | |
195 | ||
508e53e2 | 196 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 197 | zlog_debug ("Zebra Interface address delete: %s %5s %s/%d", |
198 | c->ifp->name, prefix_family_str (c->address), | |
199 | inet_ntop (c->address->family, &c->address->u.prefix, | |
200 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 201 | |
202 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
203 | { |
204 | ospf6_interface_connected_route_update (c->ifp); | |
205 | ospf6_interface_state_update (c->ifp); | |
206 | } | |
718e3744 | 207 | |
3f6d6a5d DS |
208 | connected_free (c); |
209 | ||
718e3744 | 210 | return 0; |
211 | } | |
212 | ||
6ac29a51 | 213 | static int |
718e3744 | 214 | ospf6_zebra_read_ipv6 (int command, struct zclient *zclient, |
7076bb2f | 215 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 216 | { |
217 | struct stream *s; | |
218 | struct zapi_ipv6 api; | |
219 | unsigned long ifindex; | |
220 | struct prefix_ipv6 p; | |
221 | struct in6_addr *nexthop; | |
718e3744 | 222 | |
87bb7354 DS |
223 | if (ospf6 == NULL) |
224 | return 0; | |
225 | ||
718e3744 | 226 | s = zclient->ibuf; |
227 | ifindex = 0; | |
228 | nexthop = NULL; | |
229 | memset (&api, 0, sizeof (api)); | |
230 | ||
231 | /* Type, flags, message. */ | |
232 | api.type = stream_getc (s); | |
7c8ff89e | 233 | api.instance = stream_getw (s); |
0fc452dc | 234 | api.flags = stream_getl (s); |
718e3744 | 235 | api.message = stream_getc (s); |
236 | ||
237 | /* IPv6 prefix. */ | |
238 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
239 | p.family = AF_INET6; | |
d9178828 | 240 | p.prefixlen = MIN(IPV6_MAX_PREFIXLEN, stream_getc (s)); |
718e3744 | 241 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); |
242 | ||
243 | /* Nexthop, ifindex, distance, metric. */ | |
244 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
245 | { | |
246 | api.nexthop_num = stream_getc (s); | |
247 | nexthop = (struct in6_addr *) | |
248 | malloc (api.nexthop_num * sizeof (struct in6_addr)); | |
249 | stream_get (nexthop, s, api.nexthop_num * sizeof (struct in6_addr)); | |
250 | } | |
251 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) | |
252 | { | |
253 | api.ifindex_num = stream_getc (s); | |
254 | ifindex = stream_getl (s); | |
255 | } | |
256 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
257 | api.distance = stream_getc (s); | |
258 | else | |
259 | api.distance = 0; | |
260 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
261 | api.metric = stream_getl (s); | |
262 | else | |
263 | api.metric = 0; | |
264 | ||
464015fa CF |
265 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_TAG)) |
266 | api.tag = stream_getl (s); | |
267 | else | |
268 | api.tag = 0; | |
269 | ||
508e53e2 | 270 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
718e3744 | 271 | { |
4690c7d7 | 272 | char prefixstr[PREFIX2STR_BUFFER], nexthopstr[128]; |
718e3744 | 273 | prefix2str ((struct prefix *)&p, prefixstr, sizeof (prefixstr)); |
508e53e2 | 274 | if (nexthop) |
275 | inet_ntop (AF_INET6, nexthop, nexthopstr, sizeof (nexthopstr)); | |
718e3744 | 276 | else |
508e53e2 | 277 | snprintf (nexthopstr, sizeof (nexthopstr), "::"); |
278 | ||
464015fa | 279 | zlog_debug ("Zebra Receive route %s: %s %s nexthop %s ifindex %ld tag %"ROUTE_TAG_PRI, |
c6487d61 | 280 | (command == ZEBRA_IPV6_ROUTE_ADD ? "add" : "delete"), |
464015fa | 281 | zebra_route_string(api.type), prefixstr, nexthopstr, ifindex, api.tag); |
718e3744 | 282 | } |
283 | ||
5048fe14 | 284 | if (command == ZEBRA_REDISTRIBUTE_IPV6_ADD) |
508e53e2 | 285 | ospf6_asbr_redistribute_add (api.type, ifindex, (struct prefix *) &p, |
464015fa | 286 | api.nexthop_num, nexthop, api.tag); |
718e3744 | 287 | else |
508e53e2 | 288 | ospf6_asbr_redistribute_remove (api.type, ifindex, (struct prefix *) &p); |
718e3744 | 289 | |
290 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
291 | free (nexthop); | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
508e53e2 | 296 | |
297 | ||
6b0655a2 | 298 | |
718e3744 | 299 | DEFUN (show_zebra, |
300 | show_zebra_cmd, | |
301 | "show zebra", | |
302 | SHOW_STR | |
303 | "Zebra information\n") | |
304 | { | |
305 | int i; | |
508e53e2 | 306 | if (zclient == NULL) |
307 | { | |
049207c3 | 308 | vty_out (vty, "Not connected to zebra%s", VNL); |
508e53e2 | 309 | return CMD_SUCCESS; |
310 | } | |
718e3744 | 311 | |
049207c3 | 312 | vty_out (vty, "Zebra Infomation%s", VNL); |
508e53e2 | 313 | vty_out (vty, " enable: %d fail: %d%s", |
049207c3 | 314 | zclient->enable, zclient->fail, VNL); |
7076bb2f FL |
315 | vty_out (vty, " redistribute default: %d%s", |
316 | vrf_bitmap_check (zclient->default_information, VRF_DEFAULT), | |
049207c3 | 317 | VNL); |
508e53e2 | 318 | vty_out (vty, " redistribute:"); |
718e3744 | 319 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
508e53e2 | 320 | { |
7076bb2f | 321 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][i], VRF_DEFAULT)) |
f52d13cb | 322 | vty_out (vty, " %s", zebra_route_string(i)); |
508e53e2 | 323 | } |
049207c3 | 324 | vty_out (vty, "%s", VNL); |
718e3744 | 325 | return CMD_SUCCESS; |
326 | } | |
327 | ||
718e3744 | 328 | /* Zebra configuration write function. */ |
6ac29a51 | 329 | static int |
508e53e2 | 330 | config_write_ospf6_zebra (struct vty *vty) |
718e3744 | 331 | { |
332 | if (! zclient->enable) | |
333 | { | |
049207c3 | 334 | vty_out (vty, "no router zebra%s", VNL); |
335 | vty_out (vty, "!%s", VNL); | |
718e3744 | 336 | } |
7076bb2f FL |
337 | else if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
338 | VRF_DEFAULT)) | |
718e3744 | 339 | { |
049207c3 | 340 | vty_out (vty, "router zebra%s", VNL); |
341 | vty_out (vty, " no redistribute ospf6%s", VNL); | |
342 | vty_out (vty, "!%s", VNL); | |
718e3744 | 343 | } |
344 | return 0; | |
345 | } | |
346 | ||
347 | /* Zebra node structure. */ | |
7fc626de | 348 | static struct cmd_node zebra_node = |
718e3744 | 349 | { |
350 | ZEBRA_NODE, | |
351 | "%s(config-zebra)# ", | |
352 | }; | |
353 | ||
354 | #define ADD 0 | |
508e53e2 | 355 | #define REM 1 |
718e3744 | 356 | static void |
508e53e2 | 357 | ospf6_zebra_route_update (int type, struct ospf6_route *request) |
718e3744 | 358 | { |
718e3744 | 359 | struct zapi_ipv6 api; |
4690c7d7 | 360 | char buf[PREFIX2STR_BUFFER]; |
508e53e2 | 361 | int nhcount; |
718e3744 | 362 | struct in6_addr **nexthops; |
b892f1dd | 363 | ifindex_t *ifindexes; |
c3c0ac83 | 364 | int ret = 0; |
508e53e2 | 365 | struct prefix_ipv6 *dest; |
718e3744 | 366 | |
508e53e2 | 367 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
718e3744 | 368 | { |
508e53e2 | 369 | prefix2str (&request->prefix, buf, sizeof (buf)); |
c6487d61 | 370 | zlog_debug ("Send %s route: %s", |
371 | (type == REM ? "remove" : "add"), buf); | |
718e3744 | 372 | } |
373 | ||
374 | if (zclient->sock < 0) | |
375 | { | |
508e53e2 | 376 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 377 | zlog_debug (" Not connected to Zebra"); |
718e3744 | 378 | return; |
379 | } | |
380 | ||
381 | if (request->path.origin.adv_router == ospf6->router_id && | |
382 | (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
383 | request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) | |
384 | { | |
508e53e2 | 385 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 386 | zlog_debug (" Ignore self-originated external route"); |
718e3744 | 387 | return; |
388 | } | |
389 | ||
508e53e2 | 390 | /* If removing is the best path and if there's another path, |
391 | treat this request as add the secondary path */ | |
392 | if (type == REM && ospf6_route_is_best (request) && | |
393 | request->next && ospf6_route_is_same (request, request->next)) | |
718e3744 | 394 | { |
508e53e2 | 395 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 396 | zlog_debug (" Best-path removal resulted Sencondary addition"); |
508e53e2 | 397 | type = ADD; |
398 | request = request->next; | |
718e3744 | 399 | } |
400 | ||
508e53e2 | 401 | /* Only the best path will be sent to zebra. */ |
402 | if (! ospf6_route_is_best (request)) | |
718e3744 | 403 | { |
508e53e2 | 404 | /* this is not preferred best route, ignore */ |
405 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
c6487d61 | 406 | zlog_debug (" Ignore non-best route"); |
508e53e2 | 407 | return; |
718e3744 | 408 | } |
409 | ||
c3c0ac83 | 410 | nhcount = ospf6_route_num_nexthops (request); |
508e53e2 | 411 | if (nhcount == 0) |
718e3744 | 412 | { |
508e53e2 | 413 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 414 | zlog_debug (" No nexthop, ignore"); |
718e3744 | 415 | return; |
416 | } | |
417 | ||
418 | /* allocate memory for nexthop_list */ | |
419 | nexthops = XCALLOC (MTYPE_OSPF6_OTHER, | |
508e53e2 | 420 | nhcount * sizeof (struct in6_addr *)); |
421 | if (nexthops == NULL) | |
718e3744 | 422 | { |
508e53e2 | 423 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 424 | return; |
425 | } | |
426 | ||
427 | /* allocate memory for ifindex_list */ | |
428 | ifindexes = XCALLOC (MTYPE_OSPF6_OTHER, | |
b892f1dd | 429 | nhcount * sizeof (ifindex_t)); |
508e53e2 | 430 | if (ifindexes == NULL) |
718e3744 | 431 | { |
508e53e2 | 432 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 433 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
434 | return; | |
435 | } | |
436 | ||
c3c0ac83 | 437 | ospf6_route_zebra_copy_nexthops (request, ifindexes, nexthops, nhcount); |
718e3744 | 438 | |
7076bb2f | 439 | api.vrf_id = VRF_DEFAULT; |
718e3744 | 440 | api.type = ZEBRA_ROUTE_OSPF6; |
7c8ff89e | 441 | api.instance = 0; |
718e3744 | 442 | api.flags = 0; |
443 | api.message = 0; | |
b4e45f67 | 444 | api.safi = SAFI_UNICAST; |
718e3744 | 445 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); |
508e53e2 | 446 | api.nexthop_num = nhcount; |
718e3744 | 447 | api.nexthop = nexthops; |
508e53e2 | 448 | SET_FLAG (api.message, ZAPI_MESSAGE_IFINDEX); |
449 | api.ifindex_num = nhcount; | |
718e3744 | 450 | api.ifindex = ifindexes; |
508e53e2 | 451 | SET_FLAG (api.message, ZAPI_MESSAGE_METRIC); |
452 | api.metric = (request->path.metric_type == 2 ? | |
c3c0ac83 | 453 | request->path.u.cost_e2 : request->path.cost); |
464015fa CF |
454 | if (request->path.tag) |
455 | { | |
456 | SET_FLAG (api.message, ZAPI_MESSAGE_TAG); | |
457 | api.tag = request->path.tag; | |
458 | } | |
718e3744 | 459 | |
508e53e2 | 460 | dest = (struct prefix_ipv6 *) &request->prefix; |
baff583e MZ |
461 | |
462 | SET_FLAG (api.message, ZAPI_MESSAGE_DISTANCE); | |
463 | api.distance = ospf6_distance_apply (dest, request); | |
464 | ||
508e53e2 | 465 | if (type == REM) |
d75f3b00 | 466 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, NULL, &api); |
718e3744 | 467 | else |
d75f3b00 | 468 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, NULL, &api); |
718e3744 | 469 | |
470 | if (ret < 0) | |
508e53e2 | 471 | zlog_err ("zapi_ipv6_route() %s failed: %s", |
6099b3b5 | 472 | (type == REM ? "delete" : "add"), safe_strerror (errno)); |
718e3744 | 473 | |
718e3744 | 474 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
475 | XFREE (MTYPE_OSPF6_OTHER, ifindexes); | |
476 | ||
477 | return; | |
478 | } | |
479 | ||
480 | void | |
508e53e2 | 481 | ospf6_zebra_route_update_add (struct ospf6_route *request) |
718e3744 | 482 | { |
7076bb2f FL |
483 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
484 | VRF_DEFAULT)) | |
718e3744 | 485 | { |
508e53e2 | 486 | ospf6->route_table->hook_add = NULL; |
487 | ospf6->route_table->hook_remove = NULL; | |
488 | return; | |
718e3744 | 489 | } |
508e53e2 | 490 | ospf6_zebra_route_update (ADD, request); |
718e3744 | 491 | } |
492 | ||
508e53e2 | 493 | void |
494 | ospf6_zebra_route_update_remove (struct ospf6_route *request) | |
718e3744 | 495 | { |
7076bb2f FL |
496 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
497 | VRF_DEFAULT)) | |
718e3744 | 498 | { |
508e53e2 | 499 | ospf6->route_table->hook_add = NULL; |
500 | ospf6->route_table->hook_remove = NULL; | |
501 | return; | |
718e3744 | 502 | } |
508e53e2 | 503 | ospf6_zebra_route_update (REM, request); |
718e3744 | 504 | } |
505 | ||
c3c0ac83 DS |
506 | void |
507 | ospf6_zebra_add_discard (struct ospf6_route *request) | |
508 | { | |
509 | struct zapi_ipv6 api; | |
510 | char buf[INET6_ADDRSTRLEN]; | |
511 | struct prefix_ipv6 *dest; | |
512 | ||
7076bb2f FL |
513 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
514 | VRF_DEFAULT)) | |
c3c0ac83 DS |
515 | { |
516 | if (!CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
517 | { | |
1a1f4efa | 518 | api.vrf_id = VRF_DEFAULT; |
c3c0ac83 DS |
519 | api.type = ZEBRA_ROUTE_OSPF6; |
520 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 521 | api.instance = 0; |
c3c0ac83 DS |
522 | api.message = 0; |
523 | api.safi = SAFI_UNICAST; | |
524 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
525 | api.nexthop_num = 0; | |
526 | api.ifindex_num = 0; | |
527 | ||
528 | dest = (struct prefix_ipv6 *) &request->prefix; | |
529 | ||
d75f3b00 | 530 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, NULL, &api); |
c3c0ac83 DS |
531 | |
532 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
533 | zlog_debug ("Zebra: Route add discard %s/%d", | |
534 | inet_ntop (AF_INET6, &dest->prefix, | |
535 | buf, INET6_ADDRSTRLEN), | |
536 | dest->prefixlen); | |
537 | SET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
538 | } | |
539 | else | |
540 | { | |
541 | dest = (struct prefix_ipv6 *) &request->prefix; | |
542 | ||
543 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
544 | zlog_debug ("Zebra: Blackhole route present already %s/%d", | |
545 | inet_ntop (AF_INET6, &dest->prefix, | |
546 | buf, INET6_ADDRSTRLEN), | |
547 | dest->prefixlen); | |
548 | } | |
549 | } | |
550 | } | |
551 | ||
552 | void | |
553 | ospf6_zebra_delete_discard (struct ospf6_route *request) | |
554 | { | |
555 | struct zapi_ipv6 api; | |
556 | char buf[INET6_ADDRSTRLEN]; | |
557 | struct prefix_ipv6 *dest; | |
558 | ||
7076bb2f | 559 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
c3c0ac83 DS |
560 | { |
561 | if (CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
562 | { | |
1a1f4efa | 563 | api.vrf_id = VRF_DEFAULT; |
c3c0ac83 DS |
564 | api.type = ZEBRA_ROUTE_OSPF6; |
565 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 566 | api.instance = 0; |
c3c0ac83 DS |
567 | api.message = 0; |
568 | api.safi = SAFI_UNICAST; | |
569 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
570 | api.nexthop_num = 0; | |
571 | api.ifindex_num = 0; | |
572 | ||
573 | dest = (struct prefix_ipv6 *) &request->prefix; | |
574 | ||
d75f3b00 | 575 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, NULL, &api); |
c3c0ac83 DS |
576 | |
577 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
578 | zlog_debug ("Zebra: Route delete discard %s/%d", | |
579 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
580 | INET6_ADDRSTRLEN), dest->prefixlen); | |
581 | UNSET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
582 | } | |
583 | else | |
584 | { | |
585 | dest = (struct prefix_ipv6 *) &request->prefix; | |
586 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
587 | zlog_debug ("Zebra: Blackhole route already deleted %s/%d", | |
588 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
589 | INET6_ADDRSTRLEN), dest->prefixlen); | |
590 | } | |
591 | } | |
592 | } | |
593 | ||
718e3744 | 594 | DEFUN (redistribute_ospf6, |
595 | redistribute_ospf6_cmd, | |
596 | "redistribute ospf6", | |
597 | "Redistribute control\n" | |
598 | "OSPF6 route\n") | |
599 | { | |
508e53e2 | 600 | struct ospf6_route *route; |
601 | ||
7076bb2f | 602 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
508e53e2 | 603 | return CMD_SUCCESS; |
718e3744 | 604 | |
7076bb2f | 605 | vrf_bitmap_set (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT); |
718e3744 | 606 | |
508e53e2 | 607 | if (ospf6 == NULL) |
608 | return CMD_SUCCESS; | |
609 | ||
610 | /* send ospf6 route to zebra route table */ | |
611 | for (route = ospf6_route_head (ospf6->route_table); route; | |
612 | route = ospf6_route_next (route)) | |
613 | ospf6_zebra_route_update_add (route); | |
614 | ||
615 | ospf6->route_table->hook_add = ospf6_zebra_route_update_add; | |
616 | ospf6->route_table->hook_remove = ospf6_zebra_route_update_remove; | |
718e3744 | 617 | |
618 | return CMD_SUCCESS; | |
619 | } | |
620 | ||
621 | DEFUN (no_redistribute_ospf6, | |
622 | no_redistribute_ospf6_cmd, | |
623 | "no redistribute ospf6", | |
624 | NO_STR | |
625 | "Redistribute control\n" | |
626 | "OSPF6 route\n") | |
627 | { | |
508e53e2 | 628 | struct ospf6_route *route; |
629 | ||
7076bb2f | 630 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
508e53e2 | 631 | return CMD_SUCCESS; |
718e3744 | 632 | |
7076bb2f | 633 | vrf_bitmap_unset (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT); |
718e3744 | 634 | |
508e53e2 | 635 | if (ospf6 == NULL) |
718e3744 | 636 | return CMD_SUCCESS; |
637 | ||
508e53e2 | 638 | ospf6->route_table->hook_add = NULL; |
639 | ospf6->route_table->hook_remove = NULL; | |
718e3744 | 640 | |
508e53e2 | 641 | /* withdraw ospf6 route from zebra route table */ |
642 | for (route = ospf6_route_head (ospf6->route_table); route; | |
643 | route = ospf6_route_next (route)) | |
644 | ospf6_zebra_route_update_remove (route); | |
718e3744 | 645 | |
646 | return CMD_SUCCESS; | |
647 | } | |
648 | ||
baff583e MZ |
649 | static struct ospf6_distance * |
650 | ospf6_distance_new (void) | |
651 | { | |
652 | return XCALLOC (MTYPE_OSPF6_DISTANCE, sizeof (struct ospf6_distance)); | |
653 | } | |
654 | ||
655 | static void | |
656 | ospf6_distance_free (struct ospf6_distance *odistance) | |
657 | { | |
658 | XFREE (MTYPE_OSPF6_DISTANCE, odistance); | |
659 | } | |
660 | ||
661 | int | |
662 | ospf6_distance_set (struct vty *vty, struct ospf6 *o, | |
663 | const char *distance_str, | |
664 | const char *ip_str, | |
665 | const char *access_list_str) | |
666 | { | |
667 | int ret; | |
668 | struct prefix_ipv6 p; | |
669 | u_char distance; | |
670 | struct route_node *rn; | |
671 | struct ospf6_distance *odistance; | |
672 | ||
673 | ret = str2prefix_ipv6 (ip_str, &p); | |
674 | if (ret == 0) | |
675 | { | |
676 | vty_out (vty, "Malformed prefix%s", VTY_NEWLINE); | |
677 | return CMD_WARNING; | |
678 | } | |
679 | ||
680 | distance = atoi (distance_str); | |
681 | ||
682 | /* Get OSPF6 distance node. */ | |
683 | rn = route_node_get (o->distance_table, (struct prefix *) &p); | |
684 | if (rn->info) | |
685 | { | |
686 | odistance = rn->info; | |
687 | route_unlock_node (rn); | |
688 | } | |
689 | else | |
690 | { | |
691 | odistance = ospf6_distance_new (); | |
692 | rn->info = odistance; | |
693 | } | |
694 | ||
695 | /* Set distance value. */ | |
696 | odistance->distance = distance; | |
697 | ||
698 | /* Reset access-list configuration. */ | |
699 | if (odistance->access_list) | |
700 | { | |
701 | free (odistance->access_list); | |
702 | odistance->access_list = NULL; | |
703 | } | |
704 | if (access_list_str) | |
705 | odistance->access_list = strdup (access_list_str); | |
706 | ||
707 | return CMD_SUCCESS; | |
708 | } | |
709 | ||
710 | int | |
711 | ospf6_distance_unset (struct vty *vty, struct ospf6 *o, | |
712 | const char *distance_str, | |
713 | const char *ip_str, | |
714 | const char *access_list_str) | |
715 | { | |
716 | int ret; | |
717 | struct prefix_ipv6 p; | |
718 | struct route_node *rn; | |
719 | struct ospf6_distance *odistance; | |
720 | ||
721 | ret = str2prefix_ipv6 (ip_str, &p); | |
722 | if (ret == 0) | |
723 | { | |
724 | vty_out (vty, "Malformed prefix%s", VTY_NEWLINE); | |
725 | return CMD_WARNING; | |
726 | } | |
727 | ||
728 | rn = route_node_lookup (o->distance_table, (struct prefix *) &p); | |
729 | if (!rn) | |
730 | { | |
731 | vty_out (vty, "Cant't find specified prefix%s", VTY_NEWLINE); | |
732 | return CMD_WARNING; | |
733 | } | |
734 | ||
735 | odistance = rn->info; | |
736 | ||
737 | if (odistance->access_list) | |
738 | free (odistance->access_list); | |
739 | ospf6_distance_free (odistance); | |
740 | ||
741 | rn->info = NULL; | |
742 | route_unlock_node (rn); | |
743 | route_unlock_node (rn); | |
744 | ||
745 | return CMD_SUCCESS; | |
746 | } | |
747 | ||
748 | void | |
749 | ospf6_distance_reset (struct ospf6 *o) | |
750 | { | |
751 | struct route_node *rn; | |
752 | struct ospf6_distance *odistance; | |
753 | ||
754 | for (rn = route_top (o->distance_table); rn; rn = route_next (rn)) | |
755 | if ((odistance = rn->info) != NULL) | |
756 | { | |
757 | if (odistance->access_list) | |
758 | free (odistance->access_list); | |
759 | ospf6_distance_free (odistance); | |
760 | rn->info = NULL; | |
761 | route_unlock_node (rn); | |
762 | } | |
763 | } | |
764 | ||
765 | u_char | |
766 | ospf6_distance_apply (struct prefix_ipv6 *p, struct ospf6_route *or) | |
767 | { | |
768 | struct ospf6 *o; | |
769 | ||
770 | o = ospf6; | |
771 | if (o == NULL) | |
772 | return 0; | |
773 | ||
774 | if (o->distance_intra) | |
775 | if (or->path.type == OSPF6_PATH_TYPE_INTRA) | |
776 | return o->distance_intra; | |
777 | ||
778 | if (o->distance_inter) | |
779 | if (or->path.type == OSPF6_PATH_TYPE_INTER) | |
780 | return o->distance_inter; | |
781 | ||
782 | if (o->distance_external) | |
783 | if(or->path.type == OSPF6_PATH_TYPE_EXTERNAL1 | |
784 | || or->path.type == OSPF6_PATH_TYPE_EXTERNAL2) | |
785 | return o->distance_external; | |
786 | ||
787 | if (o->distance_all) | |
788 | return o->distance_all; | |
789 | ||
790 | return 0; | |
791 | } | |
792 | ||
7076bb2f FL |
793 | static void |
794 | ospf6_zebra_connected (struct zclient *zclient) | |
795 | { | |
2376c3f2 | 796 | /* Send the client registration */ |
797 | bfd_client_sendmsg(zclient, ZEBRA_BFD_CLIENT_REGISTER); | |
798 | ||
0e5223e7 | 799 | zclient_send_reg_requests (zclient, VRF_DEFAULT); |
7076bb2f FL |
800 | } |
801 | ||
718e3744 | 802 | void |
4140ca4d | 803 | ospf6_zebra_init (struct thread_master *master) |
718e3744 | 804 | { |
805 | /* Allocate zebra structure. */ | |
4140ca4d | 806 | zclient = zclient_new(master); |
7c8ff89e | 807 | zclient_init (zclient, ZEBRA_ROUTE_OSPF6, 0); |
7076bb2f | 808 | zclient->zebra_connected = ospf6_zebra_connected; |
18a6dce6 | 809 | zclient->router_id_update = ospf6_router_id_update_zebra; |
718e3744 | 810 | zclient->interface_add = ospf6_zebra_if_add; |
811 | zclient->interface_delete = ospf6_zebra_if_del; | |
812 | zclient->interface_up = ospf6_zebra_if_state_update; | |
813 | zclient->interface_down = ospf6_zebra_if_state_update; | |
814 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
815 | zclient->interface_address_delete = ospf6_zebra_if_address_update_delete; | |
5048fe14 | 816 | zclient->redistribute_route_ipv4_add = NULL; |
817 | zclient->redistribute_route_ipv4_del = NULL; | |
5048fe14 | 818 | zclient->redistribute_route_ipv6_add = ospf6_zebra_read_ipv6; |
819 | zclient->redistribute_route_ipv6_del = ospf6_zebra_read_ipv6; | |
718e3744 | 820 | |
821 | /* redistribute connected route by default */ | |
822 | /* ospf6_zebra_redistribute (ZEBRA_ROUTE_CONNECT); */ | |
823 | ||
824 | /* Install zebra node. */ | |
508e53e2 | 825 | install_node (&zebra_node, config_write_ospf6_zebra); |
718e3744 | 826 | |
827 | /* Install command element for zebra node. */ | |
828 | install_element (VIEW_NODE, &show_zebra_cmd); | |
718e3744 | 829 | install_default (ZEBRA_NODE); |
830 | install_element (ZEBRA_NODE, &redistribute_ospf6_cmd); | |
831 | install_element (ZEBRA_NODE, &no_redistribute_ospf6_cmd); | |
832 | ||
718e3744 | 833 | return; |
834 | } | |
835 | ||
508e53e2 | 836 | /* Debug */ |
6b0655a2 | 837 | |
508e53e2 | 838 | DEFUN (debug_ospf6_zebra_sendrecv, |
839 | debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 840 | "debug ospf6 zebra [<send|recv>]", |
508e53e2 | 841 | DEBUG_STR |
842 | OSPF6_STR | |
843 | "Debug connection between zebra\n" | |
844 | "Debug Sending zebra\n" | |
845 | "Debug Receiving zebra\n" | |
846 | ) | |
847 | { | |
51c26414 | 848 | int idx_send_recv = 3; |
508e53e2 | 849 | unsigned char level = 0; |
850 | ||
1d68dbfe | 851 | if (argc == 4) |
508e53e2 | 852 | { |
1d68dbfe | 853 | if (strmatch(argv[idx_send_recv]->text, "send")) |
508e53e2 | 854 | level = OSPF6_DEBUG_ZEBRA_SEND; |
1d68dbfe | 855 | else if (strmatch(argv[idx_send_recv]->text, "recv")) |
508e53e2 | 856 | level = OSPF6_DEBUG_ZEBRA_RECV; |
857 | } | |
858 | else | |
859 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
860 | ||
861 | OSPF6_DEBUG_ZEBRA_ON (level); | |
862 | return CMD_SUCCESS; | |
863 | } | |
864 | ||
508e53e2 | 865 | DEFUN (no_debug_ospf6_zebra_sendrecv, |
866 | no_debug_ospf6_zebra_sendrecv_cmd, | |
1d68dbfe | 867 | "no debug ospf6 zebra [<send|recv>]", |
508e53e2 | 868 | NO_STR |
869 | DEBUG_STR | |
870 | OSPF6_STR | |
871 | "Debug connection between zebra\n" | |
872 | "Debug Sending zebra\n" | |
873 | "Debug Receiving zebra\n" | |
874 | ) | |
875 | { | |
51c26414 | 876 | int idx_send_recv = 4; |
508e53e2 | 877 | unsigned char level = 0; |
878 | ||
1d68dbfe | 879 | if (argc == 5) |
508e53e2 | 880 | { |
1d68dbfe | 881 | if (strmatch(argv[idx_send_recv]->text, "send")) |
508e53e2 | 882 | level = OSPF6_DEBUG_ZEBRA_SEND; |
1d68dbfe | 883 | else if (strmatch(argv[idx_send_recv]->text, "recv")) |
508e53e2 | 884 | level = OSPF6_DEBUG_ZEBRA_RECV; |
885 | } | |
886 | else | |
887 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
888 | ||
889 | OSPF6_DEBUG_ZEBRA_OFF (level); | |
890 | return CMD_SUCCESS; | |
891 | } | |
892 | ||
508e53e2 | 893 | |
894 | int | |
895 | config_write_ospf6_debug_zebra (struct vty *vty) | |
896 | { | |
897 | if (IS_OSPF6_DEBUG_ZEBRA (SEND) && IS_OSPF6_DEBUG_ZEBRA (RECV)) | |
049207c3 | 898 | vty_out (vty, "debug ospf6 zebra%s", VNL); |
508e53e2 | 899 | else |
900 | { | |
901 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
049207c3 | 902 | vty_out (vty, "debug ospf6 zebra send%s", VNL); |
508e53e2 | 903 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
049207c3 | 904 | vty_out (vty, "debug ospf6 zebra recv%s", VNL); |
508e53e2 | 905 | } |
906 | return 0; | |
907 | } | |
908 | ||
718e3744 | 909 | void |
6ac29a51 | 910 | install_element_ospf6_debug_zebra (void) |
718e3744 | 911 | { |
508e53e2 | 912 | install_element (ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); |
913 | install_element (ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
508e53e2 | 914 | install_element (CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); |
915 | install_element (CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 916 | } |
917 | ||
508e53e2 | 918 |