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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" | |
718e3744 | 31 | |
508e53e2 | 32 | #include "ospf6_proto.h" |
33 | #include "ospf6_top.h" | |
718e3744 | 34 | #include "ospf6_interface.h" |
508e53e2 | 35 | #include "ospf6_route.h" |
36 | #include "ospf6_lsa.h" | |
049207c3 | 37 | #include "ospf6_lsdb.h" |
718e3744 | 38 | #include "ospf6_asbr.h" |
508e53e2 | 39 | #include "ospf6_zebra.h" |
049207c3 | 40 | #include "ospf6d.h" |
718e3744 | 41 | |
508e53e2 | 42 | unsigned char conf_debug_ospf6_zebra = 0; |
718e3744 | 43 | |
44 | /* information about zebra. */ | |
45 | struct zclient *zclient = NULL; | |
46 | ||
18a6dce6 | 47 | struct in_addr router_id_zebra; |
48 | ||
49 | /* Router-id update message from zebra. */ | |
6ac29a51 | 50 | static int |
18a6dce6 | 51 | ospf6_router_id_update_zebra (int command, struct zclient *zclient, |
7076bb2f | 52 | zebra_size_t length, vrf_id_t vrf_id) |
18a6dce6 | 53 | { |
54 | struct prefix router_id; | |
55 | struct ospf6 *o = ospf6; | |
56 | ||
57 | zebra_router_id_update_read(zclient->ibuf,&router_id); | |
58 | router_id_zebra = router_id.u.prefix4; | |
59 | ||
c1ba9e8a | 60 | if (o == NULL) |
61 | return 0; | |
62 | ||
18a6dce6 | 63 | if (o->router_id == 0) |
64 | o->router_id = (u_int32_t) router_id_zebra.s_addr; | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
718e3744 | 69 | /* redistribute function */ |
70 | void | |
71 | ospf6_zebra_redistribute (int type) | |
72 | { | |
7076bb2f | 73 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
718e3744 | 74 | return; |
7076bb2f FL |
75 | vrf_bitmap_set (zclient->redist[AFI_IP6][type], VRF_DEFAULT); |
76 | ||
718e3744 | 77 | if (zclient->sock > 0) |
7076bb2f FL |
78 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6, type, 0, |
79 | VRF_DEFAULT); | |
718e3744 | 80 | } |
81 | ||
82 | void | |
83 | ospf6_zebra_no_redistribute (int type) | |
84 | { | |
7076bb2f | 85 | if (!vrf_bitmap_check (zclient->redist[AFI_IP6][type], VRF_DEFAULT)) |
718e3744 | 86 | return; |
7076bb2f | 87 | vrf_bitmap_unset (zclient->redist[AFI_IP6][type], VRF_DEFAULT); |
718e3744 | 88 | if (zclient->sock > 0) |
7076bb2f FL |
89 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP6, type, |
90 | 0, VRF_DEFAULT); | |
718e3744 | 91 | } |
92 | ||
718e3744 | 93 | /* Inteface addition message from zebra. */ |
6ac29a51 | 94 | static int |
7076bb2f FL |
95 | ospf6_zebra_if_add (int command, struct zclient *zclient, zebra_size_t length, |
96 | vrf_id_t vrf_id) | |
718e3744 | 97 | { |
98 | struct interface *ifp; | |
99 | ||
7076bb2f | 100 | ifp = zebra_interface_add_read (zclient->ibuf, vrf_id); |
508e53e2 | 101 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 102 | zlog_debug ("Zebra Interface add: %s index %d mtu %d", |
103 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 104 | ospf6_interface_if_add (ifp); |
718e3744 | 105 | return 0; |
106 | } | |
107 | ||
6ac29a51 | 108 | static int |
7076bb2f FL |
109 | ospf6_zebra_if_del (int command, struct zclient *zclient, zebra_size_t length, |
110 | vrf_id_t vrf_id) | |
718e3744 | 111 | { |
508e53e2 | 112 | struct interface *ifp; |
718e3744 | 113 | |
7076bb2f | 114 | if (!(ifp = zebra_interface_state_read (zclient->ibuf, vrf_id))) |
d2fc8896 | 115 | return 0; |
116 | ||
117 | if (if_is_up (ifp)) | |
118 | zlog_warn ("Zebra: got delete of %s, but interface is still up", ifp->name); | |
119 | ||
508e53e2 | 120 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 121 | zlog_debug ("Zebra Interface delete: %s index %d mtu %d", |
122 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 123 | |
d2fc8896 | 124 | #if 0 |
d9628728 CF |
125 | /* XXX: ospf6_interface_if_del is not the right way to handle this, |
126 | * because among other thinkable issues, it will also clear all | |
127 | * settings as they are contained in the struct ospf6_interface. */ | |
718e3744 | 128 | ospf6_interface_if_del (ifp); |
508e53e2 | 129 | #endif /*0*/ |
d2fc8896 | 130 | |
131 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 132 | return 0; |
133 | } | |
134 | ||
6ac29a51 | 135 | static int |
718e3744 | 136 | ospf6_zebra_if_state_update (int command, struct zclient *zclient, |
7076bb2f | 137 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 138 | { |
139 | struct interface *ifp; | |
140 | ||
7076bb2f | 141 | ifp = zebra_interface_state_read (zclient->ibuf, vrf_id); |
57c4f4f4 IF |
142 | if (ifp == NULL) |
143 | return 0; | |
144 | ||
508e53e2 | 145 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 146 | zlog_debug ("Zebra Interface state change: " |
c19543b2 | 147 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", |
30d20590 | 148 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, |
c19543b2 | 149 | ifp->metric, ifp->mtu6, ifp->bandwidth); |
718e3744 | 150 | |
151 | ospf6_interface_state_update (ifp); | |
152 | return 0; | |
153 | } | |
154 | ||
6ac29a51 | 155 | static int |
718e3744 | 156 | ospf6_zebra_if_address_update_add (int command, struct zclient *zclient, |
7076bb2f | 157 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 158 | { |
159 | struct connected *c; | |
160 | char buf[128]; | |
161 | ||
7076bb2f FL |
162 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, zclient->ibuf, |
163 | vrf_id); | |
718e3744 | 164 | if (c == NULL) |
165 | return 0; | |
166 | ||
508e53e2 | 167 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 168 | zlog_debug ("Zebra Interface address add: %s %5s %s/%d", |
169 | c->ifp->name, prefix_family_str (c->address), | |
170 | inet_ntop (c->address->family, &c->address->u.prefix, | |
171 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 172 | |
173 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
174 | { |
175 | ospf6_interface_state_update (c->ifp); | |
176 | ospf6_interface_connected_route_update (c->ifp); | |
177 | } | |
718e3744 | 178 | return 0; |
179 | } | |
180 | ||
6ac29a51 | 181 | static int |
718e3744 | 182 | ospf6_zebra_if_address_update_delete (int command, struct zclient *zclient, |
7076bb2f | 183 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 184 | { |
185 | struct connected *c; | |
186 | char buf[128]; | |
187 | ||
7076bb2f FL |
188 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, zclient->ibuf, |
189 | vrf_id); | |
718e3744 | 190 | if (c == NULL) |
191 | return 0; | |
192 | ||
508e53e2 | 193 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 194 | zlog_debug ("Zebra Interface address delete: %s %5s %s/%d", |
195 | c->ifp->name, prefix_family_str (c->address), | |
196 | inet_ntop (c->address->family, &c->address->u.prefix, | |
197 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 198 | |
199 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
200 | { |
201 | ospf6_interface_connected_route_update (c->ifp); | |
202 | ospf6_interface_state_update (c->ifp); | |
203 | } | |
718e3744 | 204 | |
205 | return 0; | |
206 | } | |
207 | ||
6ac29a51 | 208 | static int |
718e3744 | 209 | ospf6_zebra_read_ipv6 (int command, struct zclient *zclient, |
7076bb2f | 210 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 211 | { |
212 | struct stream *s; | |
213 | struct zapi_ipv6 api; | |
214 | unsigned long ifindex; | |
215 | struct prefix_ipv6 p; | |
216 | struct in6_addr *nexthop; | |
718e3744 | 217 | |
218 | s = zclient->ibuf; | |
219 | ifindex = 0; | |
220 | nexthop = NULL; | |
221 | memset (&api, 0, sizeof (api)); | |
222 | ||
223 | /* Type, flags, message. */ | |
224 | api.type = stream_getc (s); | |
7c8ff89e | 225 | api.instance = stream_getw (s); |
718e3744 | 226 | api.flags = stream_getc (s); |
227 | api.message = stream_getc (s); | |
228 | ||
229 | /* IPv6 prefix. */ | |
230 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
231 | p.family = AF_INET6; | |
232 | p.prefixlen = stream_getc (s); | |
233 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
234 | ||
235 | /* Nexthop, ifindex, distance, metric. */ | |
236 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
237 | { | |
238 | api.nexthop_num = stream_getc (s); | |
239 | nexthop = (struct in6_addr *) | |
240 | malloc (api.nexthop_num * sizeof (struct in6_addr)); | |
241 | stream_get (nexthop, s, api.nexthop_num * sizeof (struct in6_addr)); | |
242 | } | |
243 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) | |
244 | { | |
245 | api.ifindex_num = stream_getc (s); | |
246 | ifindex = stream_getl (s); | |
247 | } | |
248 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
249 | api.distance = stream_getc (s); | |
250 | else | |
251 | api.distance = 0; | |
252 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
253 | api.metric = stream_getl (s); | |
254 | else | |
255 | api.metric = 0; | |
256 | ||
508e53e2 | 257 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
718e3744 | 258 | { |
508e53e2 | 259 | char prefixstr[128], nexthopstr[128]; |
718e3744 | 260 | prefix2str ((struct prefix *)&p, prefixstr, sizeof (prefixstr)); |
508e53e2 | 261 | if (nexthop) |
262 | inet_ntop (AF_INET6, nexthop, nexthopstr, sizeof (nexthopstr)); | |
718e3744 | 263 | else |
508e53e2 | 264 | snprintf (nexthopstr, sizeof (nexthopstr), "::"); |
265 | ||
c6487d61 | 266 | zlog_debug ("Zebra Receive route %s: %s %s nexthop %s ifindex %ld", |
267 | (command == ZEBRA_IPV6_ROUTE_ADD ? "add" : "delete"), | |
f52d13cb | 268 | zebra_route_string(api.type), prefixstr, nexthopstr, ifindex); |
718e3744 | 269 | } |
270 | ||
5048fe14 | 271 | if (command == ZEBRA_REDISTRIBUTE_IPV6_ADD) |
508e53e2 | 272 | ospf6_asbr_redistribute_add (api.type, ifindex, (struct prefix *) &p, |
273 | api.nexthop_num, nexthop); | |
718e3744 | 274 | else |
508e53e2 | 275 | ospf6_asbr_redistribute_remove (api.type, ifindex, (struct prefix *) &p); |
718e3744 | 276 | |
277 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
278 | free (nexthop); | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
508e53e2 | 283 | |
284 | ||
6b0655a2 | 285 | |
718e3744 | 286 | DEFUN (show_zebra, |
287 | show_zebra_cmd, | |
288 | "show zebra", | |
289 | SHOW_STR | |
290 | "Zebra information\n") | |
291 | { | |
292 | int i; | |
508e53e2 | 293 | if (zclient == NULL) |
294 | { | |
049207c3 | 295 | vty_out (vty, "Not connected to zebra%s", VNL); |
508e53e2 | 296 | return CMD_SUCCESS; |
297 | } | |
718e3744 | 298 | |
049207c3 | 299 | vty_out (vty, "Zebra Infomation%s", VNL); |
508e53e2 | 300 | vty_out (vty, " enable: %d fail: %d%s", |
049207c3 | 301 | zclient->enable, zclient->fail, VNL); |
7076bb2f FL |
302 | vty_out (vty, " redistribute default: %d%s", |
303 | vrf_bitmap_check (zclient->default_information, VRF_DEFAULT), | |
049207c3 | 304 | VNL); |
508e53e2 | 305 | vty_out (vty, " redistribute:"); |
718e3744 | 306 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
508e53e2 | 307 | { |
7076bb2f | 308 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][i], VRF_DEFAULT)) |
f52d13cb | 309 | vty_out (vty, " %s", zebra_route_string(i)); |
508e53e2 | 310 | } |
049207c3 | 311 | vty_out (vty, "%s", VNL); |
718e3744 | 312 | return CMD_SUCCESS; |
313 | } | |
314 | ||
315 | DEFUN (router_zebra, | |
316 | router_zebra_cmd, | |
317 | "router zebra", | |
318 | "Enable a routing process\n" | |
319 | "Make connection to zebra daemon\n") | |
320 | { | |
718e3744 | 321 | vty->node = ZEBRA_NODE; |
322 | zclient->enable = 1; | |
323 | zclient_start (zclient); | |
324 | return CMD_SUCCESS; | |
325 | } | |
326 | ||
327 | DEFUN (no_router_zebra, | |
328 | no_router_zebra_cmd, | |
329 | "no router zebra", | |
330 | NO_STR | |
331 | "Configure routing process\n" | |
332 | "Disable connection to zebra daemon\n") | |
333 | { | |
718e3744 | 334 | zclient->enable = 0; |
335 | zclient_stop (zclient); | |
336 | return CMD_SUCCESS; | |
337 | } | |
338 | ||
339 | /* Zebra configuration write function. */ | |
6ac29a51 | 340 | static int |
508e53e2 | 341 | config_write_ospf6_zebra (struct vty *vty) |
718e3744 | 342 | { |
343 | if (! zclient->enable) | |
344 | { | |
049207c3 | 345 | vty_out (vty, "no router zebra%s", VNL); |
346 | vty_out (vty, "!%s", VNL); | |
718e3744 | 347 | } |
7076bb2f FL |
348 | else if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
349 | VRF_DEFAULT)) | |
718e3744 | 350 | { |
049207c3 | 351 | vty_out (vty, "router zebra%s", VNL); |
352 | vty_out (vty, " no redistribute ospf6%s", VNL); | |
353 | vty_out (vty, "!%s", VNL); | |
718e3744 | 354 | } |
355 | return 0; | |
356 | } | |
357 | ||
358 | /* Zebra node structure. */ | |
7fc626de | 359 | static struct cmd_node zebra_node = |
718e3744 | 360 | { |
361 | ZEBRA_NODE, | |
362 | "%s(config-zebra)# ", | |
363 | }; | |
364 | ||
365 | #define ADD 0 | |
508e53e2 | 366 | #define REM 1 |
718e3744 | 367 | static void |
508e53e2 | 368 | ospf6_zebra_route_update (int type, struct ospf6_route *request) |
718e3744 | 369 | { |
718e3744 | 370 | struct zapi_ipv6 api; |
d2fc8896 | 371 | char buf[64]; |
508e53e2 | 372 | int nhcount; |
718e3744 | 373 | struct in6_addr **nexthops; |
374 | unsigned int *ifindexes; | |
c3c0ac83 | 375 | int ret = 0; |
508e53e2 | 376 | struct prefix_ipv6 *dest; |
718e3744 | 377 | |
508e53e2 | 378 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
718e3744 | 379 | { |
508e53e2 | 380 | prefix2str (&request->prefix, buf, sizeof (buf)); |
c6487d61 | 381 | zlog_debug ("Send %s route: %s", |
382 | (type == REM ? "remove" : "add"), buf); | |
718e3744 | 383 | } |
384 | ||
385 | if (zclient->sock < 0) | |
386 | { | |
508e53e2 | 387 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 388 | zlog_debug (" Not connected to Zebra"); |
718e3744 | 389 | return; |
390 | } | |
391 | ||
392 | if (request->path.origin.adv_router == ospf6->router_id && | |
393 | (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
394 | request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) | |
395 | { | |
508e53e2 | 396 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 397 | zlog_debug (" Ignore self-originated external route"); |
718e3744 | 398 | return; |
399 | } | |
400 | ||
508e53e2 | 401 | /* If removing is the best path and if there's another path, |
402 | treat this request as add the secondary path */ | |
403 | if (type == REM && ospf6_route_is_best (request) && | |
404 | request->next && ospf6_route_is_same (request, request->next)) | |
718e3744 | 405 | { |
508e53e2 | 406 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 407 | zlog_debug (" Best-path removal resulted Sencondary addition"); |
508e53e2 | 408 | type = ADD; |
409 | request = request->next; | |
718e3744 | 410 | } |
411 | ||
508e53e2 | 412 | /* Only the best path will be sent to zebra. */ |
413 | if (! ospf6_route_is_best (request)) | |
718e3744 | 414 | { |
508e53e2 | 415 | /* this is not preferred best route, ignore */ |
416 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
c6487d61 | 417 | zlog_debug (" Ignore non-best route"); |
508e53e2 | 418 | return; |
718e3744 | 419 | } |
420 | ||
c3c0ac83 | 421 | nhcount = ospf6_route_num_nexthops (request); |
508e53e2 | 422 | if (nhcount == 0) |
718e3744 | 423 | { |
508e53e2 | 424 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 425 | zlog_debug (" No nexthop, ignore"); |
718e3744 | 426 | return; |
427 | } | |
428 | ||
429 | /* allocate memory for nexthop_list */ | |
430 | nexthops = XCALLOC (MTYPE_OSPF6_OTHER, | |
508e53e2 | 431 | nhcount * sizeof (struct in6_addr *)); |
432 | if (nexthops == NULL) | |
718e3744 | 433 | { |
508e53e2 | 434 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 435 | return; |
436 | } | |
437 | ||
438 | /* allocate memory for ifindex_list */ | |
439 | ifindexes = XCALLOC (MTYPE_OSPF6_OTHER, | |
508e53e2 | 440 | nhcount * sizeof (unsigned int)); |
441 | if (ifindexes == NULL) | |
718e3744 | 442 | { |
508e53e2 | 443 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 444 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
445 | return; | |
446 | } | |
447 | ||
c3c0ac83 | 448 | ospf6_route_zebra_copy_nexthops (request, ifindexes, nexthops, nhcount); |
718e3744 | 449 | |
7076bb2f | 450 | api.vrf_id = VRF_DEFAULT; |
718e3744 | 451 | api.type = ZEBRA_ROUTE_OSPF6; |
7c8ff89e | 452 | api.instance = 0; |
718e3744 | 453 | api.flags = 0; |
454 | api.message = 0; | |
b4e45f67 | 455 | api.safi = SAFI_UNICAST; |
718e3744 | 456 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); |
508e53e2 | 457 | api.nexthop_num = nhcount; |
718e3744 | 458 | api.nexthop = nexthops; |
508e53e2 | 459 | SET_FLAG (api.message, ZAPI_MESSAGE_IFINDEX); |
460 | api.ifindex_num = nhcount; | |
718e3744 | 461 | api.ifindex = ifindexes; |
508e53e2 | 462 | SET_FLAG (api.message, ZAPI_MESSAGE_METRIC); |
463 | api.metric = (request->path.metric_type == 2 ? | |
c3c0ac83 | 464 | request->path.u.cost_e2 : request->path.cost); |
718e3744 | 465 | |
508e53e2 | 466 | dest = (struct prefix_ipv6 *) &request->prefix; |
467 | if (type == REM) | |
468 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, &api); | |
718e3744 | 469 | else |
508e53e2 | 470 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, &api); |
718e3744 | 471 | |
472 | if (ret < 0) | |
508e53e2 | 473 | zlog_err ("zapi_ipv6_route() %s failed: %s", |
6099b3b5 | 474 | (type == REM ? "delete" : "add"), safe_strerror (errno)); |
718e3744 | 475 | |
718e3744 | 476 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
477 | XFREE (MTYPE_OSPF6_OTHER, ifindexes); | |
478 | ||
479 | return; | |
480 | } | |
481 | ||
482 | void | |
508e53e2 | 483 | ospf6_zebra_route_update_add (struct ospf6_route *request) |
718e3744 | 484 | { |
7076bb2f FL |
485 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
486 | VRF_DEFAULT)) | |
718e3744 | 487 | { |
508e53e2 | 488 | ospf6->route_table->hook_add = NULL; |
489 | ospf6->route_table->hook_remove = NULL; | |
490 | return; | |
718e3744 | 491 | } |
508e53e2 | 492 | ospf6_zebra_route_update (ADD, request); |
718e3744 | 493 | } |
494 | ||
508e53e2 | 495 | void |
496 | ospf6_zebra_route_update_remove (struct ospf6_route *request) | |
718e3744 | 497 | { |
7076bb2f FL |
498 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
499 | VRF_DEFAULT)) | |
718e3744 | 500 | { |
508e53e2 | 501 | ospf6->route_table->hook_add = NULL; |
502 | ospf6->route_table->hook_remove = NULL; | |
503 | return; | |
718e3744 | 504 | } |
508e53e2 | 505 | ospf6_zebra_route_update (REM, request); |
718e3744 | 506 | } |
507 | ||
c3c0ac83 DS |
508 | void |
509 | ospf6_zebra_add_discard (struct ospf6_route *request) | |
510 | { | |
511 | struct zapi_ipv6 api; | |
512 | char buf[INET6_ADDRSTRLEN]; | |
513 | struct prefix_ipv6 *dest; | |
514 | ||
7076bb2f FL |
515 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], |
516 | VRF_DEFAULT)) | |
c3c0ac83 DS |
517 | { |
518 | if (!CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
519 | { | |
520 | api.type = ZEBRA_ROUTE_OSPF6; | |
521 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 522 | api.instance = 0; |
c3c0ac83 DS |
523 | api.message = 0; |
524 | api.safi = SAFI_UNICAST; | |
525 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
526 | api.nexthop_num = 0; | |
527 | api.ifindex_num = 0; | |
528 | ||
529 | dest = (struct prefix_ipv6 *) &request->prefix; | |
530 | ||
531 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, &api); | |
532 | ||
533 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
534 | zlog_debug ("Zebra: Route add discard %s/%d", | |
535 | inet_ntop (AF_INET6, &dest->prefix, | |
536 | buf, INET6_ADDRSTRLEN), | |
537 | dest->prefixlen); | |
538 | SET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
539 | } | |
540 | else | |
541 | { | |
542 | dest = (struct prefix_ipv6 *) &request->prefix; | |
543 | ||
544 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
545 | zlog_debug ("Zebra: Blackhole route present already %s/%d", | |
546 | inet_ntop (AF_INET6, &dest->prefix, | |
547 | buf, INET6_ADDRSTRLEN), | |
548 | dest->prefixlen); | |
549 | } | |
550 | } | |
551 | } | |
552 | ||
553 | void | |
554 | ospf6_zebra_delete_discard (struct ospf6_route *request) | |
555 | { | |
556 | struct zapi_ipv6 api; | |
557 | char buf[INET6_ADDRSTRLEN]; | |
558 | struct prefix_ipv6 *dest; | |
559 | ||
7076bb2f | 560 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
c3c0ac83 DS |
561 | { |
562 | if (CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
563 | { | |
564 | ||
565 | api.type = ZEBRA_ROUTE_OSPF6; | |
566 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 567 | api.instance = 0; |
c3c0ac83 DS |
568 | api.message = 0; |
569 | api.safi = SAFI_UNICAST; | |
570 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
571 | api.nexthop_num = 0; | |
572 | api.ifindex_num = 0; | |
573 | ||
574 | dest = (struct prefix_ipv6 *) &request->prefix; | |
575 | ||
576 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, &api); | |
577 | ||
578 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
579 | zlog_debug ("Zebra: Route delete discard %s/%d", | |
580 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
581 | INET6_ADDRSTRLEN), dest->prefixlen); | |
582 | UNSET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
583 | } | |
584 | else | |
585 | { | |
586 | dest = (struct prefix_ipv6 *) &request->prefix; | |
587 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
588 | zlog_debug ("Zebra: Blackhole route already deleted %s/%d", | |
589 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
590 | INET6_ADDRSTRLEN), dest->prefixlen); | |
591 | } | |
592 | } | |
593 | } | |
594 | ||
718e3744 | 595 | DEFUN (redistribute_ospf6, |
596 | redistribute_ospf6_cmd, | |
597 | "redistribute ospf6", | |
598 | "Redistribute control\n" | |
599 | "OSPF6 route\n") | |
600 | { | |
508e53e2 | 601 | struct ospf6_route *route; |
602 | ||
7076bb2f | 603 | if (vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
508e53e2 | 604 | return CMD_SUCCESS; |
718e3744 | 605 | |
7076bb2f | 606 | vrf_bitmap_set (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT); |
718e3744 | 607 | |
508e53e2 | 608 | if (ospf6 == NULL) |
609 | return CMD_SUCCESS; | |
610 | ||
611 | /* send ospf6 route to zebra route table */ | |
612 | for (route = ospf6_route_head (ospf6->route_table); route; | |
613 | route = ospf6_route_next (route)) | |
614 | ospf6_zebra_route_update_add (route); | |
615 | ||
616 | ospf6->route_table->hook_add = ospf6_zebra_route_update_add; | |
617 | ospf6->route_table->hook_remove = ospf6_zebra_route_update_remove; | |
718e3744 | 618 | |
619 | return CMD_SUCCESS; | |
620 | } | |
621 | ||
622 | DEFUN (no_redistribute_ospf6, | |
623 | no_redistribute_ospf6_cmd, | |
624 | "no redistribute ospf6", | |
625 | NO_STR | |
626 | "Redistribute control\n" | |
627 | "OSPF6 route\n") | |
628 | { | |
508e53e2 | 629 | struct ospf6_route *route; |
630 | ||
7076bb2f | 631 | if (! vrf_bitmap_check (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT)) |
508e53e2 | 632 | return CMD_SUCCESS; |
718e3744 | 633 | |
7076bb2f | 634 | vrf_bitmap_unset (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], VRF_DEFAULT); |
718e3744 | 635 | |
508e53e2 | 636 | if (ospf6 == NULL) |
718e3744 | 637 | return CMD_SUCCESS; |
638 | ||
508e53e2 | 639 | ospf6->route_table->hook_add = NULL; |
640 | ospf6->route_table->hook_remove = NULL; | |
718e3744 | 641 | |
508e53e2 | 642 | /* withdraw ospf6 route from zebra route table */ |
643 | for (route = ospf6_route_head (ospf6->route_table); route; | |
644 | route = ospf6_route_next (route)) | |
645 | ospf6_zebra_route_update_remove (route); | |
718e3744 | 646 | |
647 | return CMD_SUCCESS; | |
648 | } | |
649 | ||
7076bb2f FL |
650 | static void |
651 | ospf6_zebra_connected (struct zclient *zclient) | |
652 | { | |
653 | zclient_send_requests (zclient, VRF_DEFAULT); | |
654 | } | |
655 | ||
718e3744 | 656 | void |
4140ca4d | 657 | ospf6_zebra_init (struct thread_master *master) |
718e3744 | 658 | { |
659 | /* Allocate zebra structure. */ | |
4140ca4d | 660 | zclient = zclient_new(master); |
7c8ff89e | 661 | zclient_init (zclient, ZEBRA_ROUTE_OSPF6, 0); |
7076bb2f | 662 | zclient->zebra_connected = ospf6_zebra_connected; |
18a6dce6 | 663 | zclient->router_id_update = ospf6_router_id_update_zebra; |
718e3744 | 664 | zclient->interface_add = ospf6_zebra_if_add; |
665 | zclient->interface_delete = ospf6_zebra_if_del; | |
666 | zclient->interface_up = ospf6_zebra_if_state_update; | |
667 | zclient->interface_down = ospf6_zebra_if_state_update; | |
668 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
669 | zclient->interface_address_delete = ospf6_zebra_if_address_update_delete; | |
670 | zclient->ipv4_route_add = NULL; | |
671 | zclient->ipv4_route_delete = NULL; | |
5048fe14 | 672 | zclient->redistribute_route_ipv4_add = NULL; |
673 | zclient->redistribute_route_ipv4_del = NULL; | |
718e3744 | 674 | zclient->ipv6_route_add = ospf6_zebra_read_ipv6; |
675 | zclient->ipv6_route_delete = ospf6_zebra_read_ipv6; | |
5048fe14 | 676 | zclient->redistribute_route_ipv6_add = ospf6_zebra_read_ipv6; |
677 | zclient->redistribute_route_ipv6_del = ospf6_zebra_read_ipv6; | |
718e3744 | 678 | |
679 | /* redistribute connected route by default */ | |
680 | /* ospf6_zebra_redistribute (ZEBRA_ROUTE_CONNECT); */ | |
681 | ||
682 | /* Install zebra node. */ | |
508e53e2 | 683 | install_node (&zebra_node, config_write_ospf6_zebra); |
718e3744 | 684 | |
685 | /* Install command element for zebra node. */ | |
686 | install_element (VIEW_NODE, &show_zebra_cmd); | |
687 | install_element (ENABLE_NODE, &show_zebra_cmd); | |
688 | install_element (CONFIG_NODE, &router_zebra_cmd); | |
689 | install_element (CONFIG_NODE, &no_router_zebra_cmd); | |
508e53e2 | 690 | |
718e3744 | 691 | install_default (ZEBRA_NODE); |
692 | install_element (ZEBRA_NODE, &redistribute_ospf6_cmd); | |
693 | install_element (ZEBRA_NODE, &no_redistribute_ospf6_cmd); | |
694 | ||
718e3744 | 695 | return; |
696 | } | |
697 | ||
508e53e2 | 698 | /* Debug */ |
6b0655a2 | 699 | |
508e53e2 | 700 | DEFUN (debug_ospf6_zebra_sendrecv, |
701 | debug_ospf6_zebra_sendrecv_cmd, | |
702 | "debug ospf6 zebra (send|recv)", | |
703 | DEBUG_STR | |
704 | OSPF6_STR | |
705 | "Debug connection between zebra\n" | |
706 | "Debug Sending zebra\n" | |
707 | "Debug Receiving zebra\n" | |
708 | ) | |
709 | { | |
710 | unsigned char level = 0; | |
711 | ||
712 | if (argc) | |
713 | { | |
714 | if (! strncmp (argv[0], "s", 1)) | |
715 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
716 | else if (! strncmp (argv[0], "r", 1)) | |
717 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
718 | } | |
719 | else | |
720 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
721 | ||
722 | OSPF6_DEBUG_ZEBRA_ON (level); | |
723 | return CMD_SUCCESS; | |
724 | } | |
725 | ||
726 | ALIAS (debug_ospf6_zebra_sendrecv, | |
727 | debug_ospf6_zebra_cmd, | |
728 | "debug ospf6 zebra", | |
729 | DEBUG_STR | |
730 | OSPF6_STR | |
731 | "Debug connection between zebra\n" | |
6ac29a51 | 732 | ) |
508e53e2 | 733 | |
734 | ||
735 | DEFUN (no_debug_ospf6_zebra_sendrecv, | |
736 | no_debug_ospf6_zebra_sendrecv_cmd, | |
737 | "no debug ospf6 zebra (send|recv)", | |
738 | NO_STR | |
739 | DEBUG_STR | |
740 | OSPF6_STR | |
741 | "Debug connection between zebra\n" | |
742 | "Debug Sending zebra\n" | |
743 | "Debug Receiving zebra\n" | |
744 | ) | |
745 | { | |
746 | unsigned char level = 0; | |
747 | ||
748 | if (argc) | |
749 | { | |
750 | if (! strncmp (argv[0], "s", 1)) | |
751 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
752 | else if (! strncmp (argv[0], "r", 1)) | |
753 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
754 | } | |
755 | else | |
756 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
757 | ||
758 | OSPF6_DEBUG_ZEBRA_OFF (level); | |
759 | return CMD_SUCCESS; | |
760 | } | |
761 | ||
762 | ALIAS (no_debug_ospf6_zebra_sendrecv, | |
763 | no_debug_ospf6_zebra_cmd, | |
764 | "no debug ospf6 zebra", | |
765 | NO_STR | |
766 | DEBUG_STR | |
767 | OSPF6_STR | |
768 | "Debug connection between zebra\n" | |
6ac29a51 | 769 | ) |
508e53e2 | 770 | |
771 | int | |
772 | config_write_ospf6_debug_zebra (struct vty *vty) | |
773 | { | |
774 | if (IS_OSPF6_DEBUG_ZEBRA (SEND) && IS_OSPF6_DEBUG_ZEBRA (RECV)) | |
049207c3 | 775 | vty_out (vty, "debug ospf6 zebra%s", VNL); |
508e53e2 | 776 | else |
777 | { | |
778 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
049207c3 | 779 | vty_out (vty, "debug ospf6 zebra send%s", VNL); |
508e53e2 | 780 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
049207c3 | 781 | vty_out (vty, "debug ospf6 zebra recv%s", VNL); |
508e53e2 | 782 | } |
783 | return 0; | |
784 | } | |
785 | ||
718e3744 | 786 | void |
6ac29a51 | 787 | install_element_ospf6_debug_zebra (void) |
718e3744 | 788 | { |
508e53e2 | 789 | install_element (ENABLE_NODE, &debug_ospf6_zebra_cmd); |
790 | install_element (ENABLE_NODE, &no_debug_ospf6_zebra_cmd); | |
791 | install_element (ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
792 | install_element (ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
793 | install_element (CONFIG_NODE, &debug_ospf6_zebra_cmd); | |
794 | install_element (CONFIG_NODE, &no_debug_ospf6_zebra_cmd); | |
795 | install_element (CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
796 | install_element (CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 797 | } |
798 | ||
508e53e2 | 799 |