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Commit | Line | Data |
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718e3744 | 1 | /* |
2 | * Interface related function for RIPng. | |
3 | * Copyright (C) 1998 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "linklist.h" | |
25 | #include "if.h" | |
26 | #include "prefix.h" | |
27 | #include "memory.h" | |
28 | #include "network.h" | |
29 | #include "filter.h" | |
30 | #include "log.h" | |
31 | #include "stream.h" | |
32 | #include "zclient.h" | |
33 | #include "command.h" | |
34 | #include "table.h" | |
35 | #include "thread.h" | |
4d4653af | 36 | #include "privs.h" |
6a69b354 | 37 | #include "vrf.h" |
718e3744 | 38 | |
39 | #include "ripngd/ripngd.h" | |
40 | #include "ripngd/ripng_debug.h" | |
6b0655a2 | 41 | |
718e3744 | 42 | /* If RFC2133 definition is used. */ |
43 | #ifndef IPV6_JOIN_GROUP | |
44 | #define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP | |
45 | #endif | |
46 | #ifndef IPV6_LEAVE_GROUP | |
47 | #define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP | |
48 | #endif | |
49 | ||
4d4653af | 50 | extern struct zebra_privs_t ripngd_privs; |
51 | ||
718e3744 | 52 | /* Static utility function. */ |
53 | static void ripng_enable_apply (struct interface *); | |
54 | static void ripng_passive_interface_apply (struct interface *); | |
6ac29a51 PJ |
55 | static int ripng_enable_if_lookup (const char *); |
56 | static int ripng_enable_network_lookup2 (struct connected *); | |
57 | static void ripng_enable_apply_all (void); | |
718e3744 | 58 | |
59 | /* Join to the all rip routers multicast group. */ | |
6ac29a51 | 60 | static int |
718e3744 | 61 | ripng_multicast_join (struct interface *ifp) |
62 | { | |
63 | int ret; | |
64 | struct ipv6_mreq mreq; | |
656b4eee | 65 | int save_errno; |
718e3744 | 66 | |
9e544a9c | 67 | if (if_is_multicast (ifp)) { |
a94434b6 | 68 | memset (&mreq, 0, sizeof (mreq)); |
69 | inet_pton(AF_INET6, RIPNG_GROUP, &mreq.ipv6mr_multiaddr); | |
70 | mreq.ipv6mr_interface = ifp->ifindex; | |
718e3744 | 71 | |
4d4653af | 72 | /* |
73 | * NetBSD 1.6.2 requires root to join groups on gif(4). | |
74 | * While this is bogus, privs are available and easy to use | |
75 | * for this call as a workaround. | |
76 | */ | |
77 | if (ripngd_privs.change (ZPRIVS_RAISE)) | |
78 | zlog_err ("ripng_multicast_join: could not raise privs"); | |
79 | ||
a94434b6 | 80 | ret = setsockopt (ripng->sock, IPPROTO_IPV6, IPV6_JOIN_GROUP, |
81 | (char *) &mreq, sizeof (mreq)); | |
656b4eee | 82 | save_errno = errno; |
ddf1c26c | 83 | |
4d4653af | 84 | if (ripngd_privs.change (ZPRIVS_LOWER)) |
85 | zlog_err ("ripng_multicast_join: could not lower privs"); | |
86 | ||
656b4eee | 87 | if (ret < 0 && save_errno == EADDRINUSE) |
ddf1c26c | 88 | { |
89 | /* | |
90 | * Group is already joined. This occurs due to sloppy group | |
91 | * management, in particular declining to leave the group on | |
92 | * an interface that has just gone down. | |
93 | */ | |
94 | zlog_warn ("ripng join on %s EADDRINUSE (ignoring)\n", ifp->name); | |
95 | return 0; /* not an error */ | |
96 | } | |
97 | ||
a94434b6 | 98 | if (ret < 0) |
656b4eee | 99 | zlog_warn ("can't setsockopt IPV6_JOIN_GROUP: %s", |
100 | safe_strerror (save_errno)); | |
718e3744 | 101 | |
a94434b6 | 102 | if (IS_RIPNG_DEBUG_EVENT) |
2e23ab2e | 103 | zlog_debug ("RIPng %s join to all-rip-routers multicast group", ifp->name); |
718e3744 | 104 | |
a94434b6 | 105 | if (ret < 0) |
106 | return -1; | |
107 | } | |
108 | return 0; | |
718e3744 | 109 | } |
110 | ||
111 | /* Leave from the all rip routers multicast group. */ | |
6ac29a51 | 112 | static int |
718e3744 | 113 | ripng_multicast_leave (struct interface *ifp) |
114 | { | |
115 | int ret; | |
116 | struct ipv6_mreq mreq; | |
117 | ||
9e544a9c | 118 | if (if_is_multicast (ifp)) { |
a94434b6 | 119 | memset (&mreq, 0, sizeof (mreq)); |
120 | inet_pton(AF_INET6, RIPNG_GROUP, &mreq.ipv6mr_multiaddr); | |
121 | mreq.ipv6mr_interface = ifp->ifindex; | |
718e3744 | 122 | |
a94434b6 | 123 | ret = setsockopt (ripng->sock, IPPROTO_IPV6, IPV6_LEAVE_GROUP, |
124 | (char *) &mreq, sizeof (mreq)); | |
125 | if (ret < 0) | |
6099b3b5 | 126 | zlog_warn ("can't setsockopt IPV6_LEAVE_GROUP: %s\n", safe_strerror (errno)); |
a94434b6 | 127 | |
128 | if (IS_RIPNG_DEBUG_EVENT) | |
2e23ab2e | 129 | zlog_debug ("RIPng %s leave from all-rip-routers multicast group", |
a94434b6 | 130 | ifp->name); |
131 | ||
132 | if (ret < 0) | |
133 | return -1; | |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | /* How many link local IPv6 address could be used on the interface ? */ | |
6ac29a51 | 140 | static int |
a94434b6 | 141 | ripng_if_ipv6_lladdress_check (struct interface *ifp) |
142 | { | |
143 | struct listnode *nn; | |
144 | struct connected *connected; | |
145 | int count = 0; | |
146 | ||
1eb8ef25 | 147 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, nn, connected)) |
148 | { | |
a94434b6 | 149 | struct prefix *p; |
150 | p = connected->address; | |
718e3744 | 151 | |
a94434b6 | 152 | if ((p->family == AF_INET6) && |
153 | IN6_IS_ADDR_LINKLOCAL (&p->u.prefix6)) | |
154 | count++; | |
155 | } | |
718e3744 | 156 | |
a94434b6 | 157 | return count; |
718e3744 | 158 | } |
159 | ||
6ac29a51 | 160 | static int |
718e3744 | 161 | ripng_if_down (struct interface *ifp) |
162 | { | |
163 | struct route_node *rp; | |
164 | struct ripng_info *rinfo; | |
165 | struct ripng_interface *ri; | |
c880b636 FL |
166 | struct list *list = NULL; |
167 | struct listnode *listnode = NULL, *nextnode = NULL; | |
718e3744 | 168 | |
a94434b6 | 169 | if (ripng) |
c880b636 FL |
170 | for (rp = route_top (ripng->table); rp; rp = route_next (rp)) |
171 | if ((list = rp->info) != NULL) | |
172 | for (ALL_LIST_ELEMENTS (list, listnode, nextnode, rinfo)) | |
173 | if (rinfo->ifindex == ifp->ifindex) | |
174 | ripng_ecmp_delete (rinfo); | |
718e3744 | 175 | |
176 | ri = ifp->info; | |
177 | ||
a94434b6 | 178 | if (ri->running) |
718e3744 | 179 | { |
180 | if (IS_RIPNG_DEBUG_EVENT) | |
2e23ab2e | 181 | zlog_debug ("turn off %s", ifp->name); |
718e3744 | 182 | |
183 | /* Leave from multicast group. */ | |
184 | ripng_multicast_leave (ifp); | |
185 | ||
186 | ri->running = 0; | |
187 | } | |
188 | ||
189 | return 0; | |
190 | } | |
191 | ||
192 | /* Inteface link up message processing. */ | |
193 | int | |
7076bb2f FL |
194 | ripng_interface_up (int command, struct zclient *zclient, zebra_size_t length, |
195 | vrf_id_t vrf_id) | |
718e3744 | 196 | { |
197 | struct stream *s; | |
198 | struct interface *ifp; | |
199 | ||
200 | /* zebra_interface_state_read() updates interface structure in iflist. */ | |
201 | s = zclient->ibuf; | |
7076bb2f | 202 | ifp = zebra_interface_state_read (s, vrf_id); |
718e3744 | 203 | |
204 | if (ifp == NULL) | |
205 | return 0; | |
206 | ||
207 | if (IS_RIPNG_DEBUG_ZEBRA) | |
30d20590 SH |
208 | zlog_debug ("interface up %s index %d flags %llx metric %d mtu %d", |
209 | ifp->name, ifp->ifindex, (unsigned long long)ifp->flags, | |
210 | ifp->metric, ifp->mtu6); | |
718e3744 | 211 | |
212 | /* Check if this interface is RIPng enabled or not. */ | |
213 | ripng_enable_apply (ifp); | |
214 | ||
215 | /* Check for a passive interface. */ | |
216 | ripng_passive_interface_apply (ifp); | |
217 | ||
218 | /* Apply distribute list to the all interface. */ | |
219 | ripng_distribute_update_interface (ifp); | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | /* Inteface link down message processing. */ | |
225 | int | |
226 | ripng_interface_down (int command, struct zclient *zclient, | |
7076bb2f | 227 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 228 | { |
229 | struct stream *s; | |
230 | struct interface *ifp; | |
231 | ||
232 | /* zebra_interface_state_read() updates interface structure in iflist. */ | |
233 | s = zclient->ibuf; | |
7076bb2f | 234 | ifp = zebra_interface_state_read (s, vrf_id); |
718e3744 | 235 | |
236 | if (ifp == NULL) | |
237 | return 0; | |
238 | ||
239 | ripng_if_down (ifp); | |
240 | ||
241 | if (IS_RIPNG_DEBUG_ZEBRA) | |
5eb9d11b SH |
242 | zlog_debug ("interface down %s index %d flags %#llx metric %d mtu %d", |
243 | ifp->name, ifp->ifindex, | |
244 | (unsigned long long) ifp->flags, ifp->metric, ifp->mtu6); | |
718e3744 | 245 | |
246 | return 0; | |
247 | } | |
248 | ||
249 | /* Inteface addition message from zebra. */ | |
250 | int | |
7076bb2f FL |
251 | ripng_interface_add (int command, struct zclient *zclient, zebra_size_t length, |
252 | vrf_id_t vrf_id) | |
718e3744 | 253 | { |
254 | struct interface *ifp; | |
255 | ||
7076bb2f | 256 | ifp = zebra_interface_add_read (zclient->ibuf, vrf_id); |
718e3744 | 257 | |
258 | if (IS_RIPNG_DEBUG_ZEBRA) | |
5eb9d11b SH |
259 | zlog_debug ("RIPng interface add %s index %d flags %#llx metric %d mtu %d", |
260 | ifp->name, ifp->ifindex, (unsigned long long) ifp->flags, | |
261 | ifp->metric, ifp->mtu6); | |
718e3744 | 262 | |
263 | /* Check is this interface is RIP enabled or not.*/ | |
264 | ripng_enable_apply (ifp); | |
265 | ||
266 | /* Apply distribute list to the interface. */ | |
267 | ripng_distribute_update_interface (ifp); | |
268 | ||
269 | /* Check interface routemap. */ | |
270 | ripng_if_rmap_update_interface (ifp); | |
271 | ||
272 | return 0; | |
273 | } | |
274 | ||
275 | int | |
276 | ripng_interface_delete (int command, struct zclient *zclient, | |
7076bb2f | 277 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 278 | { |
a94434b6 | 279 | struct interface *ifp; |
280 | struct stream *s; | |
281 | ||
282 | s = zclient->ibuf; | |
283 | /* zebra_interface_state_read() updates interface structure in iflist */ | |
7076bb2f | 284 | ifp = zebra_interface_state_read (s, vrf_id); |
a94434b6 | 285 | |
286 | if (ifp == NULL) | |
287 | return 0; | |
288 | ||
289 | if (if_is_up (ifp)) { | |
290 | ripng_if_down(ifp); | |
291 | } | |
292 | ||
5eb9d11b SH |
293 | zlog_info("interface delete %s index %d flags %#llx metric %d mtu %d", |
294 | ifp->name, ifp->ifindex, (unsigned long long) ifp->flags, | |
295 | ifp->metric, ifp->mtu6); | |
a94434b6 | 296 | |
297 | /* To support pseudo interface do not free interface structure. */ | |
298 | /* if_delete(ifp); */ | |
84361d61 | 299 | ifp->ifindex = IFINDEX_DELETED; |
a94434b6 | 300 | |
718e3744 | 301 | return 0; |
302 | } | |
303 | ||
a94434b6 | 304 | void |
6ac29a51 | 305 | ripng_interface_clean (void) |
a94434b6 | 306 | { |
1eb8ef25 | 307 | struct listnode *node, *nnode; |
a94434b6 | 308 | struct interface *ifp; |
309 | struct ripng_interface *ri; | |
310 | ||
b2d7c082 | 311 | for (ALL_LIST_ELEMENTS (vrf_iflist (VRF_DEFAULT), node, nnode, ifp)) |
a94434b6 | 312 | { |
a94434b6 | 313 | ri = ifp->info; |
314 | ||
315 | ri->enable_network = 0; | |
316 | ri->enable_interface = 0; | |
317 | ri->running = 0; | |
318 | ||
319 | if (ri->t_wakeup) | |
320 | { | |
321 | thread_cancel (ri->t_wakeup); | |
322 | ri->t_wakeup = NULL; | |
323 | } | |
324 | } | |
325 | } | |
326 | ||
327 | void | |
6ac29a51 PJ |
328 | ripng_interface_reset (void) |
329 | { | |
52dc7ee6 | 330 | struct listnode *node; |
a94434b6 | 331 | struct interface *ifp; |
332 | struct ripng_interface *ri; | |
333 | ||
b2d7c082 | 334 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) |
a94434b6 | 335 | { |
a94434b6 | 336 | ri = ifp->info; |
337 | ||
338 | ri->enable_network = 0; | |
339 | ri->enable_interface = 0; | |
340 | ri->running = 0; | |
341 | ||
342 | ri->split_horizon = RIPNG_NO_SPLIT_HORIZON; | |
343 | ri->split_horizon_default = RIPNG_NO_SPLIT_HORIZON; | |
344 | ||
345 | ri->list[RIPNG_FILTER_IN] = NULL; | |
346 | ri->list[RIPNG_FILTER_OUT] = NULL; | |
347 | ||
348 | ri->prefix[RIPNG_FILTER_IN] = NULL; | |
349 | ri->prefix[RIPNG_FILTER_OUT] = NULL; | |
350 | ||
351 | if (ri->t_wakeup) | |
352 | { | |
353 | thread_cancel (ri->t_wakeup); | |
354 | ri->t_wakeup = NULL; | |
355 | } | |
356 | ||
357 | ri->passive = 0; | |
358 | } | |
359 | } | |
360 | ||
361 | static void | |
362 | ripng_apply_address_add (struct connected *ifc) { | |
363 | struct prefix_ipv6 address; | |
364 | struct prefix *p; | |
365 | ||
366 | if (!ripng) | |
367 | return; | |
368 | ||
369 | if (! if_is_up(ifc->ifp)) | |
370 | return; | |
371 | ||
372 | p = ifc->address; | |
373 | ||
374 | memset (&address, 0, sizeof (address)); | |
375 | address.family = p->family; | |
376 | address.prefix = p->u.prefix6; | |
377 | address.prefixlen = p->prefixlen; | |
378 | apply_mask_ipv6(&address); | |
379 | ||
380 | /* Check if this interface is RIP enabled or not | |
381 | or Check if this address's prefix is RIP enabled */ | |
382 | if ((ripng_enable_if_lookup(ifc->ifp->name) >= 0) || | |
383 | (ripng_enable_network_lookup2(ifc) >= 0)) | |
384 | ripng_redistribute_add(ZEBRA_ROUTE_CONNECT, RIPNG_ROUTE_INTERFACE, | |
1796a585 | 385 | &address, ifc->ifp->ifindex, NULL, 0); |
a94434b6 | 386 | |
387 | } | |
388 | ||
718e3744 | 389 | int |
390 | ripng_interface_address_add (int command, struct zclient *zclient, | |
7076bb2f | 391 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 392 | { |
393 | struct connected *c; | |
394 | struct prefix *p; | |
718e3744 | 395 | |
0a589359 | 396 | c = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, |
7076bb2f | 397 | zclient->ibuf, vrf_id); |
718e3744 | 398 | |
399 | if (c == NULL) | |
400 | return 0; | |
401 | ||
402 | p = c->address; | |
403 | ||
404 | if (p->family == AF_INET6) | |
405 | { | |
995b9651 PJ |
406 | struct ripng_interface *ri = c->ifp->info; |
407 | ||
718e3744 | 408 | if (IS_RIPNG_DEBUG_ZEBRA) |
2e23ab2e | 409 | zlog_debug ("RIPng connected address %s/%d add", |
3a2ce6a1 | 410 | inet6_ntoa(p->u.prefix6), |
718e3744 | 411 | p->prefixlen); |
412 | ||
a94434b6 | 413 | /* Check is this prefix needs to be redistributed. */ |
414 | ripng_apply_address_add(c); | |
415 | ||
416 | /* Let's try once again whether the interface could be activated */ | |
995b9651 PJ |
417 | if (!ri->running) { |
418 | /* Check if this interface is RIP enabled or not.*/ | |
419 | ripng_enable_apply (c->ifp); | |
a94434b6 | 420 | |
995b9651 PJ |
421 | /* Apply distribute list to the interface. */ |
422 | ripng_distribute_update_interface (c->ifp); | |
a94434b6 | 423 | |
995b9651 PJ |
424 | /* Check interface routemap. */ |
425 | ripng_if_rmap_update_interface (c->ifp); | |
a94434b6 | 426 | } |
427 | ||
718e3744 | 428 | } |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
a94434b6 | 433 | static void |
434 | ripng_apply_address_del (struct connected *ifc) { | |
435 | struct prefix_ipv6 address; | |
436 | struct prefix *p; | |
437 | ||
438 | if (!ripng) | |
439 | return; | |
440 | ||
441 | if (! if_is_up(ifc->ifp)) | |
442 | return; | |
443 | ||
444 | p = ifc->address; | |
445 | ||
446 | memset (&address, 0, sizeof (address)); | |
447 | address.family = p->family; | |
448 | address.prefix = p->u.prefix6; | |
449 | address.prefixlen = p->prefixlen; | |
450 | apply_mask_ipv6(&address); | |
451 | ||
452 | ripng_redistribute_delete(ZEBRA_ROUTE_CONNECT, RIPNG_ROUTE_INTERFACE, | |
453 | &address, ifc->ifp->ifindex); | |
454 | } | |
455 | ||
718e3744 | 456 | int |
457 | ripng_interface_address_delete (int command, struct zclient *zclient, | |
7076bb2f | 458 | zebra_size_t length, vrf_id_t vrf_id) |
718e3744 | 459 | { |
460 | struct connected *ifc; | |
461 | struct prefix *p; | |
462 | char buf[INET6_ADDRSTRLEN]; | |
463 | ||
0a589359 | 464 | ifc = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, |
7076bb2f | 465 | zclient->ibuf, vrf_id); |
718e3744 | 466 | |
467 | if (ifc) | |
468 | { | |
469 | p = ifc->address; | |
470 | ||
471 | if (p->family == AF_INET6) | |
472 | { | |
473 | if (IS_RIPNG_DEBUG_ZEBRA) | |
2e23ab2e | 474 | zlog_debug ("RIPng connected address %s/%d delete", |
718e3744 | 475 | inet_ntop (AF_INET6, &p->u.prefix6, buf, |
476 | INET6_ADDRSTRLEN), | |
477 | p->prefixlen); | |
478 | ||
a94434b6 | 479 | /* Check wether this prefix needs to be removed. */ |
480 | ripng_apply_address_del(ifc); | |
718e3744 | 481 | } |
482 | connected_free (ifc); | |
483 | } | |
484 | ||
485 | return 0; | |
486 | } | |
6b0655a2 | 487 | |
718e3744 | 488 | /* RIPng enable interface vector. */ |
489 | vector ripng_enable_if; | |
490 | ||
491 | /* RIPng enable network table. */ | |
492 | struct route_table *ripng_enable_network; | |
493 | ||
494 | /* Lookup RIPng enable network. */ | |
a94434b6 | 495 | /* Check wether the interface has at least a connected prefix that |
496 | * is within the ripng_enable_network table. */ | |
6ac29a51 | 497 | static int |
a94434b6 | 498 | ripng_enable_network_lookup_if (struct interface *ifp) |
718e3744 | 499 | { |
1eb8ef25 | 500 | struct listnode *node; |
718e3744 | 501 | struct connected *connected; |
a94434b6 | 502 | struct prefix_ipv6 address; |
718e3744 | 503 | |
1eb8ef25 | 504 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, connected)) |
505 | { | |
506 | struct prefix *p; | |
507 | struct route_node *node; | |
718e3744 | 508 | |
1eb8ef25 | 509 | p = connected->address; |
a94434b6 | 510 | |
1eb8ef25 | 511 | if (p->family == AF_INET6) |
512 | { | |
513 | address.family = AF_INET6; | |
514 | address.prefix = p->u.prefix6; | |
515 | address.prefixlen = IPV6_MAX_BITLEN; | |
516 | ||
517 | node = route_node_match (ripng_enable_network, | |
518 | (struct prefix *)&address); | |
519 | if (node) | |
520 | { | |
521 | route_unlock_node (node); | |
522 | return 1; | |
523 | } | |
524 | } | |
525 | } | |
718e3744 | 526 | return -1; |
527 | } | |
528 | ||
a94434b6 | 529 | /* Check wether connected is within the ripng_enable_network table. */ |
6ac29a51 | 530 | static int |
a94434b6 | 531 | ripng_enable_network_lookup2 (struct connected *connected) |
532 | { | |
533 | struct prefix_ipv6 address; | |
534 | struct prefix *p; | |
535 | ||
536 | p = connected->address; | |
537 | ||
538 | if (p->family == AF_INET6) { | |
539 | struct route_node *node; | |
540 | ||
541 | address.family = p->family; | |
542 | address.prefix = p->u.prefix6; | |
543 | address.prefixlen = IPV6_MAX_BITLEN; | |
544 | ||
545 | /* LPM on p->family, p->u.prefix6/IPV6_MAX_BITLEN within ripng_enable_network */ | |
546 | node = route_node_match (ripng_enable_network, | |
547 | (struct prefix *)&address); | |
548 | ||
549 | if (node) { | |
550 | route_unlock_node (node); | |
551 | return 1; | |
552 | } | |
553 | } | |
554 | ||
555 | return -1; | |
556 | } | |
557 | ||
718e3744 | 558 | /* Add RIPng enable network. */ |
6ac29a51 | 559 | static int |
718e3744 | 560 | ripng_enable_network_add (struct prefix *p) |
561 | { | |
562 | struct route_node *node; | |
563 | ||
564 | node = route_node_get (ripng_enable_network, p); | |
565 | ||
566 | if (node->info) | |
567 | { | |
568 | route_unlock_node (node); | |
569 | return -1; | |
570 | } | |
571 | else | |
37477535 | 572 | node->info = (void *)1; |
718e3744 | 573 | |
a94434b6 | 574 | /* XXX: One should find a better solution than a generic one */ |
575 | ripng_enable_apply_all(); | |
576 | ||
718e3744 | 577 | return 1; |
578 | } | |
579 | ||
580 | /* Delete RIPng enable network. */ | |
6ac29a51 | 581 | static int |
718e3744 | 582 | ripng_enable_network_delete (struct prefix *p) |
583 | { | |
584 | struct route_node *node; | |
585 | ||
586 | node = route_node_lookup (ripng_enable_network, p); | |
587 | if (node) | |
588 | { | |
589 | node->info = NULL; | |
590 | ||
591 | /* Unlock info lock. */ | |
592 | route_unlock_node (node); | |
593 | ||
594 | /* Unlock lookup lock. */ | |
595 | route_unlock_node (node); | |
596 | ||
597 | return 1; | |
598 | } | |
599 | return -1; | |
600 | } | |
601 | ||
602 | /* Lookup function. */ | |
6ac29a51 | 603 | static int |
98b718a9 | 604 | ripng_enable_if_lookup (const char *ifname) |
718e3744 | 605 | { |
7a1d583c | 606 | unsigned int i; |
718e3744 | 607 | char *str; |
608 | ||
55468c86 | 609 | for (i = 0; i < vector_active (ripng_enable_if); i++) |
718e3744 | 610 | if ((str = vector_slot (ripng_enable_if, i)) != NULL) |
611 | if (strcmp (str, ifname) == 0) | |
612 | return i; | |
613 | return -1; | |
614 | } | |
615 | ||
616 | /* Add interface to ripng_enable_if. */ | |
6ac29a51 | 617 | static int |
98b718a9 | 618 | ripng_enable_if_add (const char *ifname) |
718e3744 | 619 | { |
620 | int ret; | |
621 | ||
622 | ret = ripng_enable_if_lookup (ifname); | |
623 | if (ret >= 0) | |
624 | return -1; | |
625 | ||
626 | vector_set (ripng_enable_if, strdup (ifname)); | |
627 | ||
a94434b6 | 628 | ripng_enable_apply_all(); |
629 | ||
718e3744 | 630 | return 1; |
631 | } | |
632 | ||
633 | /* Delete interface from ripng_enable_if. */ | |
6ac29a51 | 634 | static int |
98b718a9 | 635 | ripng_enable_if_delete (const char *ifname) |
718e3744 | 636 | { |
637 | int index; | |
638 | char *str; | |
639 | ||
640 | index = ripng_enable_if_lookup (ifname); | |
641 | if (index < 0) | |
642 | return -1; | |
643 | ||
644 | str = vector_slot (ripng_enable_if, index); | |
645 | free (str); | |
646 | vector_unset (ripng_enable_if, index); | |
647 | ||
a94434b6 | 648 | ripng_enable_apply_all(); |
649 | ||
718e3744 | 650 | return 1; |
651 | } | |
652 | ||
653 | /* Wake up interface. */ | |
6ac29a51 | 654 | static int |
718e3744 | 655 | ripng_interface_wakeup (struct thread *t) |
656 | { | |
657 | struct interface *ifp; | |
658 | struct ripng_interface *ri; | |
659 | ||
660 | /* Get interface. */ | |
661 | ifp = THREAD_ARG (t); | |
662 | ||
663 | ri = ifp->info; | |
664 | ri->t_wakeup = NULL; | |
665 | ||
666 | /* Join to multicast group. */ | |
a94434b6 | 667 | if (ripng_multicast_join (ifp) < 0) { |
668 | zlog_err ("multicast join failed, interface %s not running", ifp->name); | |
669 | return 0; | |
670 | } | |
671 | ||
672 | /* Set running flag. */ | |
673 | ri->running = 1; | |
718e3744 | 674 | |
675 | /* Send RIP request to the interface. */ | |
676 | ripng_request (ifp); | |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
6ac29a51 | 681 | static void |
a94434b6 | 682 | ripng_connect_set (struct interface *ifp, int set) |
683 | { | |
1eb8ef25 | 684 | struct listnode *node, *nnode; |
a94434b6 | 685 | struct connected *connected; |
686 | struct prefix_ipv6 address; | |
687 | ||
1eb8ef25 | 688 | for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, connected)) |
689 | { | |
a94434b6 | 690 | struct prefix *p; |
691 | p = connected->address; | |
692 | ||
693 | if (p->family != AF_INET6) | |
694 | continue; | |
695 | ||
696 | address.family = AF_INET6; | |
697 | address.prefix = p->u.prefix6; | |
698 | address.prefixlen = p->prefixlen; | |
699 | apply_mask_ipv6 (&address); | |
700 | ||
701 | if (set) { | |
702 | /* Check once more wether this prefix is within a "network IF_OR_PREF" one */ | |
703 | if ((ripng_enable_if_lookup(connected->ifp->name) >= 0) || | |
704 | (ripng_enable_network_lookup2(connected) >= 0)) | |
705 | ripng_redistribute_add (ZEBRA_ROUTE_CONNECT, RIPNG_ROUTE_INTERFACE, | |
1796a585 | 706 | &address, connected->ifp->ifindex, NULL, 0); |
a94434b6 | 707 | } else { |
708 | ripng_redistribute_delete (ZEBRA_ROUTE_CONNECT, RIPNG_ROUTE_INTERFACE, | |
709 | &address, connected->ifp->ifindex); | |
710 | if (ripng_redistribute_check (ZEBRA_ROUTE_CONNECT)) | |
711 | ripng_redistribute_add (ZEBRA_ROUTE_CONNECT, RIPNG_ROUTE_REDISTRIBUTE, | |
1796a585 | 712 | &address, connected->ifp->ifindex, NULL, 0); |
a94434b6 | 713 | } |
714 | } | |
715 | } | |
716 | ||
718e3744 | 717 | /* Check RIPng is enabed on this interface. */ |
718 | void | |
719 | ripng_enable_apply (struct interface *ifp) | |
720 | { | |
721 | int ret; | |
722 | struct ripng_interface *ri = NULL; | |
723 | ||
724 | /* Check interface. */ | |
718e3744 | 725 | if (! if_is_up (ifp)) |
726 | return; | |
727 | ||
728 | ri = ifp->info; | |
729 | ||
a94434b6 | 730 | /* Is this interface a candidate for RIPng ? */ |
731 | ret = ripng_enable_network_lookup_if (ifp); | |
718e3744 | 732 | |
733 | /* If the interface is matched. */ | |
734 | if (ret > 0) | |
735 | ri->enable_network = 1; | |
736 | else | |
737 | ri->enable_network = 0; | |
738 | ||
739 | /* Check interface name configuration. */ | |
740 | ret = ripng_enable_if_lookup (ifp->name); | |
741 | if (ret >= 0) | |
742 | ri->enable_interface = 1; | |
743 | else | |
744 | ri->enable_interface = 0; | |
745 | ||
a94434b6 | 746 | /* any candidate interface MUST have a link-local IPv6 address */ |
747 | if ((! ripng_if_ipv6_lladdress_check (ifp)) && | |
748 | (ri->enable_network || ri->enable_interface)) { | |
749 | ri->enable_network = 0; | |
750 | ri->enable_interface = 0; | |
751 | zlog_warn("Interface %s does not have any link-local address", | |
752 | ifp->name); | |
753 | } | |
754 | ||
718e3744 | 755 | /* Update running status of the interface. */ |
756 | if (ri->enable_network || ri->enable_interface) | |
757 | { | |
8f5f09c8 | 758 | zlog_info ("RIPng INTERFACE ON %s", ifp->name); |
718e3744 | 759 | |
8f5f09c8 DS |
760 | /* Add interface wake up thread. */ |
761 | thread_add_timer(master, ripng_interface_wakeup, ifp, 1, | |
762 | &ri->t_wakeup); | |
718e3744 | 763 | |
8f5f09c8 | 764 | ripng_connect_set (ifp, 1); |
718e3744 | 765 | } |
766 | else | |
767 | { | |
768 | if (ri->running) | |
769 | { | |
a94434b6 | 770 | /* Might as well clean up the route table as well |
771 | * ripng_if_down sets to 0 ri->running, and displays "turn off %s" | |
772 | **/ | |
773 | ripng_if_down(ifp); | |
718e3744 | 774 | |
a94434b6 | 775 | ripng_connect_set (ifp, 0); |
718e3744 | 776 | } |
777 | } | |
778 | } | |
779 | ||
780 | /* Set distribute list to all interfaces. */ | |
6ac29a51 PJ |
781 | static void |
782 | ripng_enable_apply_all (void) | |
718e3744 | 783 | { |
784 | struct interface *ifp; | |
52dc7ee6 | 785 | struct listnode *node; |
718e3744 | 786 | |
b2d7c082 | 787 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) |
1eb8ef25 | 788 | ripng_enable_apply (ifp); |
718e3744 | 789 | } |
6b0655a2 | 790 | |
a94434b6 | 791 | /* Clear all network and neighbor configuration */ |
792 | void | |
793 | ripng_clean_network () | |
794 | { | |
7a1d583c | 795 | unsigned int i; |
a94434b6 | 796 | char *str; |
797 | struct route_node *rn; | |
798 | ||
799 | /* ripng_enable_network */ | |
800 | for (rn = route_top (ripng_enable_network); rn; rn = route_next (rn)) | |
801 | if (rn->info) { | |
802 | rn->info = NULL; | |
803 | route_unlock_node(rn); | |
804 | } | |
805 | ||
806 | /* ripng_enable_if */ | |
55468c86 | 807 | for (i = 0; i < vector_active (ripng_enable_if); i++) |
a94434b6 | 808 | if ((str = vector_slot (ripng_enable_if, i)) != NULL) { |
809 | free (str); | |
810 | vector_slot (ripng_enable_if, i) = NULL; | |
811 | } | |
812 | } | |
6b0655a2 | 813 | |
718e3744 | 814 | /* Vector to store passive-interface name. */ |
815 | vector Vripng_passive_interface; | |
816 | ||
817 | /* Utility function for looking up passive interface settings. */ | |
6ac29a51 | 818 | static int |
98b718a9 | 819 | ripng_passive_interface_lookup (const char *ifname) |
718e3744 | 820 | { |
7a1d583c | 821 | unsigned int i; |
718e3744 | 822 | char *str; |
823 | ||
55468c86 | 824 | for (i = 0; i < vector_active (Vripng_passive_interface); i++) |
718e3744 | 825 | if ((str = vector_slot (Vripng_passive_interface, i)) != NULL) |
826 | if (strcmp (str, ifname) == 0) | |
827 | return i; | |
828 | return -1; | |
829 | } | |
830 | ||
831 | void | |
832 | ripng_passive_interface_apply (struct interface *ifp) | |
833 | { | |
834 | int ret; | |
835 | struct ripng_interface *ri; | |
836 | ||
837 | ri = ifp->info; | |
838 | ||
839 | ret = ripng_passive_interface_lookup (ifp->name); | |
840 | if (ret < 0) | |
841 | ri->passive = 0; | |
842 | else | |
843 | ri->passive = 1; | |
844 | } | |
845 | ||
6ac29a51 | 846 | static void |
718e3744 | 847 | ripng_passive_interface_apply_all (void) |
848 | { | |
849 | struct interface *ifp; | |
52dc7ee6 | 850 | struct listnode *node; |
718e3744 | 851 | |
b2d7c082 | 852 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) |
1eb8ef25 | 853 | ripng_passive_interface_apply (ifp); |
718e3744 | 854 | } |
855 | ||
856 | /* Passive interface. */ | |
6ac29a51 | 857 | static int |
98b718a9 | 858 | ripng_passive_interface_set (struct vty *vty, const char *ifname) |
718e3744 | 859 | { |
860 | if (ripng_passive_interface_lookup (ifname) >= 0) | |
861 | return CMD_WARNING; | |
862 | ||
863 | vector_set (Vripng_passive_interface, strdup (ifname)); | |
864 | ||
865 | ripng_passive_interface_apply_all (); | |
866 | ||
867 | return CMD_SUCCESS; | |
868 | } | |
869 | ||
6ac29a51 | 870 | static int |
98b718a9 | 871 | ripng_passive_interface_unset (struct vty *vty, const char *ifname) |
718e3744 | 872 | { |
873 | int i; | |
874 | char *str; | |
875 | ||
876 | i = ripng_passive_interface_lookup (ifname); | |
877 | if (i < 0) | |
878 | return CMD_WARNING; | |
879 | ||
880 | str = vector_slot (Vripng_passive_interface, i); | |
881 | free (str); | |
882 | vector_unset (Vripng_passive_interface, i); | |
883 | ||
884 | ripng_passive_interface_apply_all (); | |
885 | ||
886 | return CMD_SUCCESS; | |
887 | } | |
888 | ||
889 | /* Free all configured RIP passive-interface settings. */ | |
890 | void | |
891 | ripng_passive_interface_clean (void) | |
892 | { | |
7a1d583c | 893 | unsigned int i; |
718e3744 | 894 | char *str; |
895 | ||
55468c86 | 896 | for (i = 0; i < vector_active (Vripng_passive_interface); i++) |
718e3744 | 897 | if ((str = vector_slot (Vripng_passive_interface, i)) != NULL) |
898 | { | |
899 | free (str); | |
900 | vector_slot (Vripng_passive_interface, i) = NULL; | |
901 | } | |
902 | ripng_passive_interface_apply_all (); | |
903 | } | |
904 | ||
905 | /* Write RIPng enable network and interface to the vty. */ | |
906 | int | |
a94434b6 | 907 | ripng_network_write (struct vty *vty, int config_mode) |
718e3744 | 908 | { |
7a1d583c | 909 | unsigned int i; |
98b718a9 | 910 | const char *ifname; |
718e3744 | 911 | struct route_node *node; |
912 | char buf[BUFSIZ]; | |
913 | ||
914 | /* Write enable network. */ | |
915 | for (node = route_top (ripng_enable_network); node; node = route_next (node)) | |
916 | if (node->info) | |
917 | { | |
918 | struct prefix *p = &node->p; | |
a94434b6 | 919 | vty_out (vty, "%s%s/%d%s", |
920 | config_mode ? " network " : " ", | |
718e3744 | 921 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
922 | p->prefixlen, | |
923 | VTY_NEWLINE); | |
924 | ||
925 | } | |
926 | ||
927 | /* Write enable interface. */ | |
55468c86 | 928 | for (i = 0; i < vector_active (ripng_enable_if); i++) |
a94434b6 | 929 | if ((ifname = vector_slot (ripng_enable_if, i)) != NULL) |
930 | vty_out (vty, "%s%s%s", | |
931 | config_mode ? " network " : " ", | |
932 | ifname, | |
718e3744 | 933 | VTY_NEWLINE); |
934 | ||
935 | /* Write passive interface. */ | |
a94434b6 | 936 | if (config_mode) |
55468c86 | 937 | for (i = 0; i < vector_active (Vripng_passive_interface); i++) |
a94434b6 | 938 | if ((ifname = vector_slot (Vripng_passive_interface, i)) != NULL) |
939 | vty_out (vty, " passive-interface %s%s", ifname, VTY_NEWLINE); | |
718e3744 | 940 | |
941 | return 0; | |
942 | } | |
943 | ||
944 | /* RIPng enable on specified interface or matched network. */ | |
945 | DEFUN (ripng_network, | |
946 | ripng_network_cmd, | |
947 | "network IF_OR_ADDR", | |
948 | "RIPng enable on specified interface or network.\n" | |
d911a12a | 949 | "Interface or address\n") |
718e3744 | 950 | { |
ab34a28a | 951 | int idx_if_or_addr = 1; |
718e3744 | 952 | int ret; |
953 | struct prefix p; | |
954 | ||
ab34a28a | 955 | ret = str2prefix (argv[idx_if_or_addr]->arg, &p); |
718e3744 | 956 | |
957 | /* Given string is IPv6 network or interface name. */ | |
958 | if (ret) | |
959 | ret = ripng_enable_network_add (&p); | |
960 | else | |
ab34a28a | 961 | ret = ripng_enable_if_add (argv[idx_if_or_addr]->arg); |
718e3744 | 962 | |
963 | if (ret < 0) | |
964 | { | |
ab34a28a | 965 | vty_out (vty, "There is same network configuration %s%s", argv[idx_if_or_addr]->arg, |
718e3744 | 966 | VTY_NEWLINE); |
967 | return CMD_WARNING; | |
968 | } | |
969 | ||
718e3744 | 970 | return CMD_SUCCESS; |
971 | } | |
972 | ||
973 | /* RIPng enable on specified interface or matched network. */ | |
974 | DEFUN (no_ripng_network, | |
975 | no_ripng_network_cmd, | |
976 | "no network IF_OR_ADDR", | |
977 | NO_STR | |
978 | "RIPng enable on specified interface or network.\n" | |
d911a12a | 979 | "Interface or address\n") |
718e3744 | 980 | { |
ab34a28a | 981 | int idx_if_or_addr = 2; |
718e3744 | 982 | int ret; |
983 | struct prefix p; | |
984 | ||
ab34a28a | 985 | ret = str2prefix (argv[idx_if_or_addr]->arg, &p); |
718e3744 | 986 | |
987 | /* Given string is interface name. */ | |
988 | if (ret) | |
989 | ret = ripng_enable_network_delete (&p); | |
990 | else | |
ab34a28a | 991 | ret = ripng_enable_if_delete (argv[idx_if_or_addr]->arg); |
718e3744 | 992 | |
993 | if (ret < 0) | |
994 | { | |
ab34a28a | 995 | vty_out (vty, "can't find network %s%s", argv[idx_if_or_addr]->arg, |
718e3744 | 996 | VTY_NEWLINE); |
997 | return CMD_WARNING; | |
998 | } | |
999 | ||
a94434b6 | 1000 | return CMD_SUCCESS; |
1001 | } | |
1002 | ||
1003 | DEFUN (ipv6_ripng_split_horizon, | |
1004 | ipv6_ripng_split_horizon_cmd, | |
1005 | "ipv6 ripng split-horizon", | |
1006 | IPV6_STR | |
1007 | "Routing Information Protocol\n" | |
1008 | "Perform split horizon\n") | |
1009 | { | |
cdc2d765 | 1010 | VTY_DECLVAR_CONTEXT(interface, ifp); |
a94434b6 | 1011 | struct ripng_interface *ri; |
1012 | ||
a94434b6 | 1013 | ri = ifp->info; |
1014 | ||
1015 | ri->split_horizon = RIPNG_SPLIT_HORIZON; | |
1016 | return CMD_SUCCESS; | |
1017 | } | |
1018 | ||
1019 | DEFUN (ipv6_ripng_split_horizon_poisoned_reverse, | |
1020 | ipv6_ripng_split_horizon_poisoned_reverse_cmd, | |
1021 | "ipv6 ripng split-horizon poisoned-reverse", | |
1022 | IPV6_STR | |
1023 | "Routing Information Protocol\n" | |
1024 | "Perform split horizon\n" | |
1025 | "With poisoned-reverse\n") | |
1026 | { | |
cdc2d765 | 1027 | VTY_DECLVAR_CONTEXT(interface, ifp); |
a94434b6 | 1028 | struct ripng_interface *ri; |
1029 | ||
a94434b6 | 1030 | ri = ifp->info; |
1031 | ||
1032 | ri->split_horizon = RIPNG_SPLIT_HORIZON_POISONED_REVERSE; | |
1033 | return CMD_SUCCESS; | |
1034 | } | |
718e3744 | 1035 | |
a94434b6 | 1036 | DEFUN (no_ipv6_ripng_split_horizon, |
1037 | no_ipv6_ripng_split_horizon_cmd, | |
481af2ed | 1038 | "no ipv6 ripng split-horizon [poisoned-reverse]", |
a94434b6 | 1039 | NO_STR |
1040 | IPV6_STR | |
1041 | "Routing Information Protocol\n" | |
481af2ed QY |
1042 | "Perform split horizon\n" |
1043 | "With poisoned-reverse\n") | |
a94434b6 | 1044 | { |
cdc2d765 | 1045 | VTY_DECLVAR_CONTEXT(interface, ifp); |
a94434b6 | 1046 | struct ripng_interface *ri; |
1047 | ||
a94434b6 | 1048 | ri = ifp->info; |
1049 | ||
1050 | ri->split_horizon = RIPNG_NO_SPLIT_HORIZON; | |
718e3744 | 1051 | return CMD_SUCCESS; |
1052 | } | |
1053 | ||
1054 | DEFUN (ripng_passive_interface, | |
1055 | ripng_passive_interface_cmd, | |
1056 | "passive-interface IFNAME", | |
1057 | "Suppress routing updates on an interface\n" | |
1058 | "Interface name\n") | |
1059 | { | |
ab34a28a DW |
1060 | int idx_ifname = 1; |
1061 | return ripng_passive_interface_set (vty, argv[idx_ifname]->arg); | |
718e3744 | 1062 | } |
1063 | ||
1064 | DEFUN (no_ripng_passive_interface, | |
1065 | no_ripng_passive_interface_cmd, | |
1066 | "no passive-interface IFNAME", | |
1067 | NO_STR | |
1068 | "Suppress routing updates on an interface\n" | |
1069 | "Interface name\n") | |
1070 | { | |
ab34a28a DW |
1071 | int idx_ifname = 2; |
1072 | return ripng_passive_interface_unset (vty, argv[idx_ifname]->arg); | |
718e3744 | 1073 | } |
6b0655a2 | 1074 | |
6ac29a51 PJ |
1075 | static struct ripng_interface * |
1076 | ri_new (void) | |
718e3744 | 1077 | { |
1078 | struct ripng_interface *ri; | |
1079 | ri = XCALLOC (MTYPE_IF, sizeof (struct ripng_interface)); | |
a94434b6 | 1080 | |
1081 | /* Set default split-horizon behavior. If the interface is Frame | |
1082 | Relay or SMDS is enabled, the default value for split-horizon is | |
1083 | off. But currently Zebra does detect Frame Relay or SMDS | |
1084 | interface. So all interface is set to split horizon. */ | |
1085 | ri->split_horizon_default = RIPNG_SPLIT_HORIZON; | |
1086 | ri->split_horizon = ri->split_horizon_default; | |
1087 | ||
718e3744 | 1088 | return ri; |
1089 | } | |
1090 | ||
6ac29a51 | 1091 | static int |
718e3744 | 1092 | ripng_if_new_hook (struct interface *ifp) |
1093 | { | |
1094 | ifp->info = ri_new (); | |
1095 | return 0; | |
1096 | } | |
1097 | ||
a94434b6 | 1098 | /* Called when interface structure deleted. */ |
6ac29a51 | 1099 | static int |
a94434b6 | 1100 | ripng_if_delete_hook (struct interface *ifp) |
1101 | { | |
1102 | XFREE (MTYPE_IF, ifp->info); | |
1103 | ifp->info = NULL; | |
1104 | return 0; | |
1105 | } | |
1106 | ||
718e3744 | 1107 | /* Configuration write function for ripngd. */ |
6ac29a51 | 1108 | static int |
718e3744 | 1109 | interface_config_write (struct vty *vty) |
1110 | { | |
52dc7ee6 | 1111 | struct listnode *node; |
718e3744 | 1112 | struct interface *ifp; |
1113 | struct ripng_interface *ri; | |
1114 | int write = 0; | |
1115 | ||
b2d7c082 | 1116 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) |
718e3744 | 1117 | { |
718e3744 | 1118 | ri = ifp->info; |
1119 | ||
a94434b6 | 1120 | /* Do not display the interface if there is no |
1121 | * configuration about it. | |
1122 | **/ | |
1123 | if ((!ifp->desc) && | |
1124 | (ri->split_horizon == ri->split_horizon_default)) | |
1125 | continue; | |
1126 | ||
718e3744 | 1127 | vty_out (vty, "interface %s%s", ifp->name, |
1128 | VTY_NEWLINE); | |
1129 | if (ifp->desc) | |
1130 | vty_out (vty, " description %s%s", ifp->desc, | |
1131 | VTY_NEWLINE); | |
1132 | ||
a94434b6 | 1133 | /* Split horizon. */ |
1134 | if (ri->split_horizon != ri->split_horizon_default) | |
1135 | { | |
1136 | switch (ri->split_horizon) { | |
1137 | case RIPNG_SPLIT_HORIZON: | |
1138 | vty_out (vty, " ipv6 ripng split-horizon%s", VTY_NEWLINE); | |
1139 | break; | |
1140 | case RIPNG_SPLIT_HORIZON_POISONED_REVERSE: | |
1141 | vty_out (vty, " ipv6 ripng split-horizon poisoned-reverse%s", | |
1142 | VTY_NEWLINE); | |
1143 | break; | |
1144 | case RIPNG_NO_SPLIT_HORIZON: | |
1145 | default: | |
1146 | vty_out (vty, " no ipv6 ripng split-horizon%s", VTY_NEWLINE); | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | ||
718e3744 | 1151 | vty_out (vty, "!%s", VTY_NEWLINE); |
1152 | ||
1153 | write++; | |
1154 | } | |
1155 | return write; | |
1156 | } | |
1157 | ||
1158 | /* ripngd's interface node. */ | |
7fc626de | 1159 | static struct cmd_node interface_node = |
718e3744 | 1160 | { |
1161 | INTERFACE_NODE, | |
1162 | "%s(config-if)# ", | |
a94434b6 | 1163 | 1 /* VTYSH */ |
718e3744 | 1164 | }; |
1165 | ||
1166 | /* Initialization of interface. */ | |
1167 | void | |
1168 | ripng_if_init () | |
1169 | { | |
1170 | /* Interface initialize. */ | |
718e3744 | 1171 | if_add_hook (IF_NEW_HOOK, ripng_if_new_hook); |
a94434b6 | 1172 | if_add_hook (IF_DELETE_HOOK, ripng_if_delete_hook); |
718e3744 | 1173 | |
1174 | /* RIPng enable network init. */ | |
1175 | ripng_enable_network = route_table_init (); | |
1176 | ||
1177 | /* RIPng enable interface init. */ | |
1178 | ripng_enable_if = vector_init (1); | |
1179 | ||
1180 | /* RIPng passive interface. */ | |
1181 | Vripng_passive_interface = vector_init (1); | |
1182 | ||
1183 | /* Install interface node. */ | |
1184 | install_node (&interface_node, interface_config_write); | |
0b84f294 | 1185 | if_cmd_init (); |
718e3744 | 1186 | |
1187 | install_element (RIPNG_NODE, &ripng_network_cmd); | |
1188 | install_element (RIPNG_NODE, &no_ripng_network_cmd); | |
1189 | install_element (RIPNG_NODE, &ripng_passive_interface_cmd); | |
1190 | install_element (RIPNG_NODE, &no_ripng_passive_interface_cmd); | |
a94434b6 | 1191 | |
1192 | install_element (INTERFACE_NODE, &ipv6_ripng_split_horizon_cmd); | |
1193 | install_element (INTERFACE_NODE, &ipv6_ripng_split_horizon_poisoned_reverse_cmd); | |
1194 | install_element (INTERFACE_NODE, &no_ipv6_ripng_split_horizon_cmd); | |
718e3744 | 1195 | } |