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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, |
52 | zebra_size_t length) | |
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 | { | |
8bb0831e | 73 | if (zclient->redist[AFI_IP6][type].enabled) |
718e3744 | 74 | return; |
8bb0831e | 75 | redist_add_instance(&zclient->redist[AFI_IP6][type], 0); |
718e3744 | 76 | if (zclient->sock > 0) |
8bb0831e | 77 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6, type, 0); |
718e3744 | 78 | } |
79 | ||
80 | void | |
81 | ospf6_zebra_no_redistribute (int type) | |
82 | { | |
8bb0831e | 83 | if (! zclient->redist[AFI_IP6][type].enabled) |
718e3744 | 84 | return; |
8bb0831e | 85 | redist_del_instance(&zclient->redist[AFI_IP6][type], 0); |
718e3744 | 86 | if (zclient->sock > 0) |
8bb0831e | 87 | zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, AFI_IP6, type, 0); |
718e3744 | 88 | } |
89 | ||
718e3744 | 90 | /* Inteface addition message from zebra. */ |
6ac29a51 | 91 | static int |
718e3744 | 92 | ospf6_zebra_if_add (int command, struct zclient *zclient, zebra_size_t length) |
93 | { | |
94 | struct interface *ifp; | |
95 | ||
96 | ifp = zebra_interface_add_read (zclient->ibuf); | |
508e53e2 | 97 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 98 | zlog_debug ("Zebra Interface add: %s index %d mtu %d", |
99 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 100 | ospf6_interface_if_add (ifp); |
718e3744 | 101 | return 0; |
102 | } | |
103 | ||
6ac29a51 | 104 | static int |
718e3744 | 105 | ospf6_zebra_if_del (int command, struct zclient *zclient, zebra_size_t length) |
106 | { | |
508e53e2 | 107 | struct interface *ifp; |
718e3744 | 108 | |
d2fc8896 | 109 | if (!(ifp = zebra_interface_state_read(zclient->ibuf))) |
110 | return 0; | |
111 | ||
112 | if (if_is_up (ifp)) | |
113 | zlog_warn ("Zebra: got delete of %s, but interface is still up", ifp->name); | |
114 | ||
508e53e2 | 115 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 116 | zlog_debug ("Zebra Interface delete: %s index %d mtu %d", |
117 | ifp->name, ifp->ifindex, ifp->mtu6); | |
718e3744 | 118 | |
d2fc8896 | 119 | #if 0 |
d9628728 CF |
120 | /* XXX: ospf6_interface_if_del is not the right way to handle this, |
121 | * because among other thinkable issues, it will also clear all | |
122 | * settings as they are contained in the struct ospf6_interface. */ | |
718e3744 | 123 | ospf6_interface_if_del (ifp); |
508e53e2 | 124 | #endif /*0*/ |
d2fc8896 | 125 | |
126 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 127 | return 0; |
128 | } | |
129 | ||
6ac29a51 | 130 | static int |
718e3744 | 131 | ospf6_zebra_if_state_update (int command, struct zclient *zclient, |
132 | zebra_size_t length) | |
133 | { | |
134 | struct interface *ifp; | |
135 | ||
136 | ifp = zebra_interface_state_read (zclient->ibuf); | |
57c4f4f4 IF |
137 | if (ifp == NULL) |
138 | return 0; | |
139 | ||
508e53e2 | 140 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 141 | zlog_debug ("Zebra Interface state change: " |
c19543b2 | 142 | "%s index %d flags %llx metric %d mtu %d bandwidth %d", |
30d20590 | 143 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, |
c19543b2 | 144 | ifp->metric, ifp->mtu6, ifp->bandwidth); |
718e3744 | 145 | |
146 | ospf6_interface_state_update (ifp); | |
147 | return 0; | |
148 | } | |
149 | ||
6ac29a51 | 150 | static int |
718e3744 | 151 | ospf6_zebra_if_address_update_add (int command, struct zclient *zclient, |
508e53e2 | 152 | zebra_size_t length) |
718e3744 | 153 | { |
154 | struct connected *c; | |
155 | char buf[128]; | |
156 | ||
0a589359 | 157 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, zclient->ibuf); |
718e3744 | 158 | if (c == NULL) |
159 | return 0; | |
160 | ||
508e53e2 | 161 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 162 | zlog_debug ("Zebra Interface address add: %s %5s %s/%d", |
163 | c->ifp->name, prefix_family_str (c->address), | |
164 | inet_ntop (c->address->family, &c->address->u.prefix, | |
165 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 166 | |
167 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
168 | { |
169 | ospf6_interface_state_update (c->ifp); | |
170 | ospf6_interface_connected_route_update (c->ifp); | |
171 | } | |
718e3744 | 172 | return 0; |
173 | } | |
174 | ||
6ac29a51 | 175 | static int |
718e3744 | 176 | ospf6_zebra_if_address_update_delete (int command, struct zclient *zclient, |
177 | zebra_size_t length) | |
178 | { | |
179 | struct connected *c; | |
180 | char buf[128]; | |
181 | ||
0a589359 | 182 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, zclient->ibuf); |
718e3744 | 183 | if (c == NULL) |
184 | return 0; | |
185 | ||
508e53e2 | 186 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
c6487d61 | 187 | zlog_debug ("Zebra Interface address delete: %s %5s %s/%d", |
188 | c->ifp->name, prefix_family_str (c->address), | |
189 | inet_ntop (c->address->family, &c->address->u.prefix, | |
190 | buf, sizeof (buf)), c->address->prefixlen); | |
718e3744 | 191 | |
192 | if (c->address->family == AF_INET6) | |
b13c1d92 CF |
193 | { |
194 | ospf6_interface_connected_route_update (c->ifp); | |
195 | ospf6_interface_state_update (c->ifp); | |
196 | } | |
718e3744 | 197 | |
198 | return 0; | |
199 | } | |
200 | ||
6ac29a51 | 201 | static int |
718e3744 | 202 | ospf6_zebra_read_ipv6 (int command, struct zclient *zclient, |
203 | zebra_size_t length) | |
204 | { | |
205 | struct stream *s; | |
206 | struct zapi_ipv6 api; | |
207 | unsigned long ifindex; | |
208 | struct prefix_ipv6 p; | |
209 | struct in6_addr *nexthop; | |
718e3744 | 210 | |
211 | s = zclient->ibuf; | |
212 | ifindex = 0; | |
213 | nexthop = NULL; | |
214 | memset (&api, 0, sizeof (api)); | |
215 | ||
216 | /* Type, flags, message. */ | |
217 | api.type = stream_getc (s); | |
7c8ff89e | 218 | api.instance = stream_getw (s); |
718e3744 | 219 | api.flags = stream_getc (s); |
220 | api.message = stream_getc (s); | |
221 | ||
222 | /* IPv6 prefix. */ | |
223 | memset (&p, 0, sizeof (struct prefix_ipv6)); | |
224 | p.family = AF_INET6; | |
225 | p.prefixlen = stream_getc (s); | |
226 | stream_get (&p.prefix, s, PSIZE (p.prefixlen)); | |
227 | ||
228 | /* Nexthop, ifindex, distance, metric. */ | |
229 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
230 | { | |
231 | api.nexthop_num = stream_getc (s); | |
232 | nexthop = (struct in6_addr *) | |
233 | malloc (api.nexthop_num * sizeof (struct in6_addr)); | |
234 | stream_get (nexthop, s, api.nexthop_num * sizeof (struct in6_addr)); | |
235 | } | |
236 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_IFINDEX)) | |
237 | { | |
238 | api.ifindex_num = stream_getc (s); | |
239 | ifindex = stream_getl (s); | |
240 | } | |
241 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_DISTANCE)) | |
242 | api.distance = stream_getc (s); | |
243 | else | |
244 | api.distance = 0; | |
245 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_METRIC)) | |
246 | api.metric = stream_getl (s); | |
247 | else | |
248 | api.metric = 0; | |
249 | ||
508e53e2 | 250 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
718e3744 | 251 | { |
508e53e2 | 252 | char prefixstr[128], nexthopstr[128]; |
718e3744 | 253 | prefix2str ((struct prefix *)&p, prefixstr, sizeof (prefixstr)); |
508e53e2 | 254 | if (nexthop) |
255 | inet_ntop (AF_INET6, nexthop, nexthopstr, sizeof (nexthopstr)); | |
718e3744 | 256 | else |
508e53e2 | 257 | snprintf (nexthopstr, sizeof (nexthopstr), "::"); |
258 | ||
c6487d61 | 259 | zlog_debug ("Zebra Receive route %s: %s %s nexthop %s ifindex %ld", |
260 | (command == ZEBRA_IPV6_ROUTE_ADD ? "add" : "delete"), | |
f52d13cb | 261 | zebra_route_string(api.type), prefixstr, nexthopstr, ifindex); |
718e3744 | 262 | } |
263 | ||
264 | if (command == ZEBRA_IPV6_ROUTE_ADD) | |
508e53e2 | 265 | ospf6_asbr_redistribute_add (api.type, ifindex, (struct prefix *) &p, |
266 | api.nexthop_num, nexthop); | |
718e3744 | 267 | else |
508e53e2 | 268 | ospf6_asbr_redistribute_remove (api.type, ifindex, (struct prefix *) &p); |
718e3744 | 269 | |
270 | if (CHECK_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP)) | |
271 | free (nexthop); | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
508e53e2 | 276 | |
277 | ||
6b0655a2 | 278 | |
718e3744 | 279 | DEFUN (show_zebra, |
280 | show_zebra_cmd, | |
281 | "show zebra", | |
282 | SHOW_STR | |
283 | "Zebra information\n") | |
284 | { | |
285 | int i; | |
508e53e2 | 286 | if (zclient == NULL) |
287 | { | |
049207c3 | 288 | vty_out (vty, "Not connected to zebra%s", VNL); |
508e53e2 | 289 | return CMD_SUCCESS; |
290 | } | |
718e3744 | 291 | |
049207c3 | 292 | vty_out (vty, "Zebra Infomation%s", VNL); |
508e53e2 | 293 | vty_out (vty, " enable: %d fail: %d%s", |
049207c3 | 294 | zclient->enable, zclient->fail, VNL); |
718e3744 | 295 | vty_out (vty, " redistribute default: %d%s", zclient->redist_default, |
049207c3 | 296 | VNL); |
508e53e2 | 297 | vty_out (vty, " redistribute:"); |
718e3744 | 298 | for (i = 0; i < ZEBRA_ROUTE_MAX; i++) |
508e53e2 | 299 | { |
8bb0831e | 300 | if (zclient->redist[AFI_IP6][i].enabled) |
f52d13cb | 301 | vty_out (vty, " %s", zebra_route_string(i)); |
508e53e2 | 302 | } |
049207c3 | 303 | vty_out (vty, "%s", VNL); |
718e3744 | 304 | return CMD_SUCCESS; |
305 | } | |
306 | ||
307 | DEFUN (router_zebra, | |
308 | router_zebra_cmd, | |
309 | "router zebra", | |
310 | "Enable a routing process\n" | |
311 | "Make connection to zebra daemon\n") | |
312 | { | |
718e3744 | 313 | vty->node = ZEBRA_NODE; |
314 | zclient->enable = 1; | |
315 | zclient_start (zclient); | |
316 | return CMD_SUCCESS; | |
317 | } | |
318 | ||
319 | DEFUN (no_router_zebra, | |
320 | no_router_zebra_cmd, | |
321 | "no router zebra", | |
322 | NO_STR | |
323 | "Configure routing process\n" | |
324 | "Disable connection to zebra daemon\n") | |
325 | { | |
718e3744 | 326 | zclient->enable = 0; |
327 | zclient_stop (zclient); | |
328 | return CMD_SUCCESS; | |
329 | } | |
330 | ||
331 | /* Zebra configuration write function. */ | |
6ac29a51 | 332 | static int |
508e53e2 | 333 | config_write_ospf6_zebra (struct vty *vty) |
718e3744 | 334 | { |
335 | if (! zclient->enable) | |
336 | { | |
049207c3 | 337 | vty_out (vty, "no router zebra%s", VNL); |
338 | vty_out (vty, "!%s", VNL); | |
718e3744 | 339 | } |
8bb0831e | 340 | else if (! zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
718e3744 | 341 | { |
049207c3 | 342 | vty_out (vty, "router zebra%s", VNL); |
343 | vty_out (vty, " no redistribute ospf6%s", VNL); | |
344 | vty_out (vty, "!%s", VNL); | |
718e3744 | 345 | } |
346 | return 0; | |
347 | } | |
348 | ||
349 | /* Zebra node structure. */ | |
7fc626de | 350 | static struct cmd_node zebra_node = |
718e3744 | 351 | { |
352 | ZEBRA_NODE, | |
353 | "%s(config-zebra)# ", | |
354 | }; | |
355 | ||
356 | #define ADD 0 | |
508e53e2 | 357 | #define REM 1 |
718e3744 | 358 | static void |
508e53e2 | 359 | ospf6_zebra_route_update (int type, struct ospf6_route *request) |
718e3744 | 360 | { |
718e3744 | 361 | struct zapi_ipv6 api; |
d2fc8896 | 362 | char buf[64]; |
508e53e2 | 363 | int nhcount; |
718e3744 | 364 | struct in6_addr **nexthops; |
365 | unsigned int *ifindexes; | |
c3c0ac83 | 366 | int ret = 0; |
508e53e2 | 367 | struct prefix_ipv6 *dest; |
718e3744 | 368 | |
508e53e2 | 369 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
718e3744 | 370 | { |
508e53e2 | 371 | prefix2str (&request->prefix, buf, sizeof (buf)); |
c6487d61 | 372 | zlog_debug ("Send %s route: %s", |
373 | (type == REM ? "remove" : "add"), buf); | |
718e3744 | 374 | } |
375 | ||
376 | if (zclient->sock < 0) | |
377 | { | |
508e53e2 | 378 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 379 | zlog_debug (" Not connected to Zebra"); |
718e3744 | 380 | return; |
381 | } | |
382 | ||
383 | if (request->path.origin.adv_router == ospf6->router_id && | |
384 | (request->path.type == OSPF6_PATH_TYPE_EXTERNAL1 || | |
385 | request->path.type == OSPF6_PATH_TYPE_EXTERNAL2)) | |
386 | { | |
508e53e2 | 387 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 388 | zlog_debug (" Ignore self-originated external route"); |
718e3744 | 389 | return; |
390 | } | |
391 | ||
508e53e2 | 392 | /* If removing is the best path and if there's another path, |
393 | treat this request as add the secondary path */ | |
394 | if (type == REM && ospf6_route_is_best (request) && | |
395 | request->next && ospf6_route_is_same (request, request->next)) | |
718e3744 | 396 | { |
508e53e2 | 397 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 398 | zlog_debug (" Best-path removal resulted Sencondary addition"); |
508e53e2 | 399 | type = ADD; |
400 | request = request->next; | |
718e3744 | 401 | } |
402 | ||
508e53e2 | 403 | /* Only the best path will be sent to zebra. */ |
404 | if (! ospf6_route_is_best (request)) | |
718e3744 | 405 | { |
508e53e2 | 406 | /* this is not preferred best route, ignore */ |
407 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
c6487d61 | 408 | zlog_debug (" Ignore non-best route"); |
508e53e2 | 409 | return; |
718e3744 | 410 | } |
411 | ||
c3c0ac83 | 412 | nhcount = ospf6_route_num_nexthops (request); |
508e53e2 | 413 | if (nhcount == 0) |
718e3744 | 414 | { |
508e53e2 | 415 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) |
c6487d61 | 416 | zlog_debug (" No nexthop, ignore"); |
718e3744 | 417 | return; |
418 | } | |
419 | ||
420 | /* allocate memory for nexthop_list */ | |
421 | nexthops = XCALLOC (MTYPE_OSPF6_OTHER, | |
508e53e2 | 422 | nhcount * sizeof (struct in6_addr *)); |
423 | if (nexthops == NULL) | |
718e3744 | 424 | { |
508e53e2 | 425 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 426 | return; |
427 | } | |
428 | ||
429 | /* allocate memory for ifindex_list */ | |
430 | ifindexes = XCALLOC (MTYPE_OSPF6_OTHER, | |
508e53e2 | 431 | nhcount * sizeof (unsigned int)); |
432 | if (ifindexes == NULL) | |
718e3744 | 433 | { |
508e53e2 | 434 | zlog_warn ("Can't send route to zebra: malloc failed"); |
718e3744 | 435 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
436 | return; | |
437 | } | |
438 | ||
c3c0ac83 | 439 | ospf6_route_zebra_copy_nexthops (request, ifindexes, nexthops, nhcount); |
718e3744 | 440 | |
441 | api.type = ZEBRA_ROUTE_OSPF6; | |
7c8ff89e | 442 | api.instance = 0; |
718e3744 | 443 | api.flags = 0; |
444 | api.message = 0; | |
b4e45f67 | 445 | api.safi = SAFI_UNICAST; |
718e3744 | 446 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); |
508e53e2 | 447 | api.nexthop_num = nhcount; |
718e3744 | 448 | api.nexthop = nexthops; |
508e53e2 | 449 | SET_FLAG (api.message, ZAPI_MESSAGE_IFINDEX); |
450 | api.ifindex_num = nhcount; | |
718e3744 | 451 | api.ifindex = ifindexes; |
508e53e2 | 452 | SET_FLAG (api.message, ZAPI_MESSAGE_METRIC); |
453 | api.metric = (request->path.metric_type == 2 ? | |
c3c0ac83 | 454 | request->path.u.cost_e2 : request->path.cost); |
718e3744 | 455 | |
508e53e2 | 456 | dest = (struct prefix_ipv6 *) &request->prefix; |
457 | if (type == REM) | |
458 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, &api); | |
718e3744 | 459 | else |
508e53e2 | 460 | ret = zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, &api); |
718e3744 | 461 | |
462 | if (ret < 0) | |
508e53e2 | 463 | zlog_err ("zapi_ipv6_route() %s failed: %s", |
6099b3b5 | 464 | (type == REM ? "delete" : "add"), safe_strerror (errno)); |
718e3744 | 465 | |
718e3744 | 466 | XFREE (MTYPE_OSPF6_OTHER, nexthops); |
467 | XFREE (MTYPE_OSPF6_OTHER, ifindexes); | |
468 | ||
469 | return; | |
470 | } | |
471 | ||
472 | void | |
508e53e2 | 473 | ospf6_zebra_route_update_add (struct ospf6_route *request) |
718e3744 | 474 | { |
8bb0831e | 475 | if (! zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
718e3744 | 476 | { |
508e53e2 | 477 | ospf6->route_table->hook_add = NULL; |
478 | ospf6->route_table->hook_remove = NULL; | |
479 | return; | |
718e3744 | 480 | } |
508e53e2 | 481 | ospf6_zebra_route_update (ADD, request); |
718e3744 | 482 | } |
483 | ||
508e53e2 | 484 | void |
485 | ospf6_zebra_route_update_remove (struct ospf6_route *request) | |
718e3744 | 486 | { |
8bb0831e | 487 | if (! zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
718e3744 | 488 | { |
508e53e2 | 489 | ospf6->route_table->hook_add = NULL; |
490 | ospf6->route_table->hook_remove = NULL; | |
491 | return; | |
718e3744 | 492 | } |
508e53e2 | 493 | ospf6_zebra_route_update (REM, request); |
718e3744 | 494 | } |
495 | ||
c3c0ac83 DS |
496 | void |
497 | ospf6_zebra_add_discard (struct ospf6_route *request) | |
498 | { | |
499 | struct zapi_ipv6 api; | |
500 | char buf[INET6_ADDRSTRLEN]; | |
501 | struct prefix_ipv6 *dest; | |
502 | ||
8bb0831e | 503 | if (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
c3c0ac83 DS |
504 | { |
505 | if (!CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
506 | { | |
507 | api.type = ZEBRA_ROUTE_OSPF6; | |
508 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 509 | api.instance = 0; |
c3c0ac83 DS |
510 | api.message = 0; |
511 | api.safi = SAFI_UNICAST; | |
512 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
513 | api.nexthop_num = 0; | |
514 | api.ifindex_num = 0; | |
515 | ||
516 | dest = (struct prefix_ipv6 *) &request->prefix; | |
517 | ||
518 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD, zclient, dest, &api); | |
519 | ||
520 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
521 | zlog_debug ("Zebra: Route add discard %s/%d", | |
522 | inet_ntop (AF_INET6, &dest->prefix, | |
523 | buf, INET6_ADDRSTRLEN), | |
524 | dest->prefixlen); | |
525 | SET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
526 | } | |
527 | else | |
528 | { | |
529 | dest = (struct prefix_ipv6 *) &request->prefix; | |
530 | ||
531 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
532 | zlog_debug ("Zebra: Blackhole route present already %s/%d", | |
533 | inet_ntop (AF_INET6, &dest->prefix, | |
534 | buf, INET6_ADDRSTRLEN), | |
535 | dest->prefixlen); | |
536 | } | |
537 | } | |
538 | } | |
539 | ||
540 | void | |
541 | ospf6_zebra_delete_discard (struct ospf6_route *request) | |
542 | { | |
543 | struct zapi_ipv6 api; | |
544 | char buf[INET6_ADDRSTRLEN]; | |
545 | struct prefix_ipv6 *dest; | |
546 | ||
8bb0831e | 547 | if (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
c3c0ac83 DS |
548 | { |
549 | if (CHECK_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED)) | |
550 | { | |
551 | ||
552 | api.type = ZEBRA_ROUTE_OSPF6; | |
553 | api.flags = ZEBRA_FLAG_BLACKHOLE; | |
7c8ff89e | 554 | api.instance = 0; |
c3c0ac83 DS |
555 | api.message = 0; |
556 | api.safi = SAFI_UNICAST; | |
557 | SET_FLAG (api.message, ZAPI_MESSAGE_NEXTHOP); | |
558 | api.nexthop_num = 0; | |
559 | api.ifindex_num = 0; | |
560 | ||
561 | dest = (struct prefix_ipv6 *) &request->prefix; | |
562 | ||
563 | zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE, zclient, dest, &api); | |
564 | ||
565 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
566 | zlog_debug ("Zebra: Route delete discard %s/%d", | |
567 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
568 | INET6_ADDRSTRLEN), dest->prefixlen); | |
569 | UNSET_FLAG (request->flag, OSPF6_ROUTE_BLACKHOLE_ADDED); | |
570 | } | |
571 | else | |
572 | { | |
573 | dest = (struct prefix_ipv6 *) &request->prefix; | |
574 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
575 | zlog_debug ("Zebra: Blackhole route already deleted %s/%d", | |
576 | inet_ntop (AF_INET6, &dest->prefix, buf, | |
577 | INET6_ADDRSTRLEN), dest->prefixlen); | |
578 | } | |
579 | } | |
580 | } | |
581 | ||
718e3744 | 582 | DEFUN (redistribute_ospf6, |
583 | redistribute_ospf6_cmd, | |
584 | "redistribute ospf6", | |
585 | "Redistribute control\n" | |
586 | "OSPF6 route\n") | |
587 | { | |
508e53e2 | 588 | struct ospf6_route *route; |
589 | ||
8bb0831e | 590 | if (zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
508e53e2 | 591 | return CMD_SUCCESS; |
718e3744 | 592 | |
8bb0831e | 593 | redist_add_instance(&zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], 0); |
718e3744 | 594 | |
508e53e2 | 595 | if (ospf6 == NULL) |
596 | return CMD_SUCCESS; | |
597 | ||
598 | /* send ospf6 route to zebra route table */ | |
599 | for (route = ospf6_route_head (ospf6->route_table); route; | |
600 | route = ospf6_route_next (route)) | |
601 | ospf6_zebra_route_update_add (route); | |
602 | ||
603 | ospf6->route_table->hook_add = ospf6_zebra_route_update_add; | |
604 | ospf6->route_table->hook_remove = ospf6_zebra_route_update_remove; | |
718e3744 | 605 | |
606 | return CMD_SUCCESS; | |
607 | } | |
608 | ||
609 | DEFUN (no_redistribute_ospf6, | |
610 | no_redistribute_ospf6_cmd, | |
611 | "no redistribute ospf6", | |
612 | NO_STR | |
613 | "Redistribute control\n" | |
614 | "OSPF6 route\n") | |
615 | { | |
508e53e2 | 616 | struct ospf6_route *route; |
617 | ||
8bb0831e | 618 | if (! zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6].enabled) |
508e53e2 | 619 | return CMD_SUCCESS; |
718e3744 | 620 | |
8bb0831e | 621 | redist_del_instance(&zclient->redist[AFI_IP6][ZEBRA_ROUTE_OSPF6], 0); |
718e3744 | 622 | |
508e53e2 | 623 | if (ospf6 == NULL) |
718e3744 | 624 | return CMD_SUCCESS; |
625 | ||
508e53e2 | 626 | ospf6->route_table->hook_add = NULL; |
627 | ospf6->route_table->hook_remove = NULL; | |
718e3744 | 628 | |
508e53e2 | 629 | /* withdraw ospf6 route from zebra route table */ |
630 | for (route = ospf6_route_head (ospf6->route_table); route; | |
631 | route = ospf6_route_next (route)) | |
632 | ospf6_zebra_route_update_remove (route); | |
718e3744 | 633 | |
634 | return CMD_SUCCESS; | |
635 | } | |
636 | ||
637 | void | |
6ac29a51 | 638 | ospf6_zebra_init (void) |
718e3744 | 639 | { |
640 | /* Allocate zebra structure. */ | |
641 | zclient = zclient_new (); | |
7c8ff89e | 642 | zclient_init (zclient, ZEBRA_ROUTE_OSPF6, 0); |
18a6dce6 | 643 | zclient->router_id_update = ospf6_router_id_update_zebra; |
718e3744 | 644 | zclient->interface_add = ospf6_zebra_if_add; |
645 | zclient->interface_delete = ospf6_zebra_if_del; | |
646 | zclient->interface_up = ospf6_zebra_if_state_update; | |
647 | zclient->interface_down = ospf6_zebra_if_state_update; | |
648 | zclient->interface_address_add = ospf6_zebra_if_address_update_add; | |
649 | zclient->interface_address_delete = ospf6_zebra_if_address_update_delete; | |
650 | zclient->ipv4_route_add = NULL; | |
651 | zclient->ipv4_route_delete = NULL; | |
652 | zclient->ipv6_route_add = ospf6_zebra_read_ipv6; | |
653 | zclient->ipv6_route_delete = ospf6_zebra_read_ipv6; | |
654 | ||
655 | /* redistribute connected route by default */ | |
656 | /* ospf6_zebra_redistribute (ZEBRA_ROUTE_CONNECT); */ | |
657 | ||
658 | /* Install zebra node. */ | |
508e53e2 | 659 | install_node (&zebra_node, config_write_ospf6_zebra); |
718e3744 | 660 | |
661 | /* Install command element for zebra node. */ | |
662 | install_element (VIEW_NODE, &show_zebra_cmd); | |
663 | install_element (ENABLE_NODE, &show_zebra_cmd); | |
664 | install_element (CONFIG_NODE, &router_zebra_cmd); | |
665 | install_element (CONFIG_NODE, &no_router_zebra_cmd); | |
508e53e2 | 666 | |
718e3744 | 667 | install_default (ZEBRA_NODE); |
668 | install_element (ZEBRA_NODE, &redistribute_ospf6_cmd); | |
669 | install_element (ZEBRA_NODE, &no_redistribute_ospf6_cmd); | |
670 | ||
718e3744 | 671 | return; |
672 | } | |
673 | ||
508e53e2 | 674 | /* Debug */ |
6b0655a2 | 675 | |
508e53e2 | 676 | DEFUN (debug_ospf6_zebra_sendrecv, |
677 | debug_ospf6_zebra_sendrecv_cmd, | |
678 | "debug ospf6 zebra (send|recv)", | |
679 | DEBUG_STR | |
680 | OSPF6_STR | |
681 | "Debug connection between zebra\n" | |
682 | "Debug Sending zebra\n" | |
683 | "Debug Receiving zebra\n" | |
684 | ) | |
685 | { | |
686 | unsigned char level = 0; | |
687 | ||
688 | if (argc) | |
689 | { | |
690 | if (! strncmp (argv[0], "s", 1)) | |
691 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
692 | else if (! strncmp (argv[0], "r", 1)) | |
693 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
694 | } | |
695 | else | |
696 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
697 | ||
698 | OSPF6_DEBUG_ZEBRA_ON (level); | |
699 | return CMD_SUCCESS; | |
700 | } | |
701 | ||
702 | ALIAS (debug_ospf6_zebra_sendrecv, | |
703 | debug_ospf6_zebra_cmd, | |
704 | "debug ospf6 zebra", | |
705 | DEBUG_STR | |
706 | OSPF6_STR | |
707 | "Debug connection between zebra\n" | |
6ac29a51 | 708 | ) |
508e53e2 | 709 | |
710 | ||
711 | DEFUN (no_debug_ospf6_zebra_sendrecv, | |
712 | no_debug_ospf6_zebra_sendrecv_cmd, | |
713 | "no debug ospf6 zebra (send|recv)", | |
714 | NO_STR | |
715 | DEBUG_STR | |
716 | OSPF6_STR | |
717 | "Debug connection between zebra\n" | |
718 | "Debug Sending zebra\n" | |
719 | "Debug Receiving zebra\n" | |
720 | ) | |
721 | { | |
722 | unsigned char level = 0; | |
723 | ||
724 | if (argc) | |
725 | { | |
726 | if (! strncmp (argv[0], "s", 1)) | |
727 | level = OSPF6_DEBUG_ZEBRA_SEND; | |
728 | else if (! strncmp (argv[0], "r", 1)) | |
729 | level = OSPF6_DEBUG_ZEBRA_RECV; | |
730 | } | |
731 | else | |
732 | level = OSPF6_DEBUG_ZEBRA_SEND | OSPF6_DEBUG_ZEBRA_RECV; | |
733 | ||
734 | OSPF6_DEBUG_ZEBRA_OFF (level); | |
735 | return CMD_SUCCESS; | |
736 | } | |
737 | ||
738 | ALIAS (no_debug_ospf6_zebra_sendrecv, | |
739 | no_debug_ospf6_zebra_cmd, | |
740 | "no debug ospf6 zebra", | |
741 | NO_STR | |
742 | DEBUG_STR | |
743 | OSPF6_STR | |
744 | "Debug connection between zebra\n" | |
6ac29a51 | 745 | ) |
508e53e2 | 746 | |
747 | int | |
748 | config_write_ospf6_debug_zebra (struct vty *vty) | |
749 | { | |
750 | if (IS_OSPF6_DEBUG_ZEBRA (SEND) && IS_OSPF6_DEBUG_ZEBRA (RECV)) | |
049207c3 | 751 | vty_out (vty, "debug ospf6 zebra%s", VNL); |
508e53e2 | 752 | else |
753 | { | |
754 | if (IS_OSPF6_DEBUG_ZEBRA (SEND)) | |
049207c3 | 755 | vty_out (vty, "debug ospf6 zebra send%s", VNL); |
508e53e2 | 756 | if (IS_OSPF6_DEBUG_ZEBRA (RECV)) |
049207c3 | 757 | vty_out (vty, "debug ospf6 zebra recv%s", VNL); |
508e53e2 | 758 | } |
759 | return 0; | |
760 | } | |
761 | ||
718e3744 | 762 | void |
6ac29a51 | 763 | install_element_ospf6_debug_zebra (void) |
718e3744 | 764 | { |
508e53e2 | 765 | install_element (ENABLE_NODE, &debug_ospf6_zebra_cmd); |
766 | install_element (ENABLE_NODE, &no_debug_ospf6_zebra_cmd); | |
767 | install_element (ENABLE_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
768 | install_element (ENABLE_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
769 | install_element (CONFIG_NODE, &debug_ospf6_zebra_cmd); | |
770 | install_element (CONFIG_NODE, &no_debug_ospf6_zebra_cmd); | |
771 | install_element (CONFIG_NODE, &debug_ospf6_zebra_sendrecv_cmd); | |
772 | install_element (CONFIG_NODE, &no_debug_ospf6_zebra_sendrecv_cmd); | |
718e3744 | 773 | } |
774 | ||
508e53e2 | 775 |