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718e3744 | 1 | /* |
2 | * Interface function. | |
3 | * Copyright (C) 1997, 1999 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 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "if.h" | |
26 | #include "vty.h" | |
27 | #include "sockunion.h" | |
28 | #include "prefix.h" | |
29 | #include "command.h" | |
30 | #include "memory.h" | |
31 | #include "ioctl.h" | |
32 | #include "connected.h" | |
33 | #include "log.h" | |
34 | #include "zclient.h" | |
35 | ||
36 | #include "zebra/interface.h" | |
37 | #include "zebra/rtadv.h" | |
38 | #include "zebra/rib.h" | |
39 | #include "zebra/zserv.h" | |
40 | #include "zebra/redistribute.h" | |
41 | #include "zebra/debug.h" | |
ca776988 | 42 | #include "zebra/irdp.h" |
718e3744 | 43 | |
718e3744 | 44 | |
45 | /* Called when new interface is added. */ | |
46 | int | |
47 | if_zebra_new_hook (struct interface *ifp) | |
48 | { | |
49 | struct zebra_if *zebra_if; | |
50 | ||
51 | zebra_if = XMALLOC (MTYPE_TMP, sizeof (struct zebra_if)); | |
52 | memset (zebra_if, 0, sizeof (struct zebra_if)); | |
53 | ||
54 | zebra_if->multicast = IF_ZEBRA_MULTICAST_UNSPEC; | |
55 | zebra_if->shutdown = IF_ZEBRA_SHUTDOWN_UNSPEC; | |
56 | ||
57 | #ifdef RTADV | |
58 | { | |
59 | /* Set default router advertise values. */ | |
60 | struct rtadvconf *rtadv; | |
61 | ||
62 | rtadv = &zebra_if->rtadv; | |
63 | ||
64 | rtadv->AdvSendAdvertisements = 0; | |
65 | rtadv->MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL; | |
66 | rtadv->MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL; | |
67 | rtadv->AdvIntervalTimer = 0; | |
68 | rtadv->AdvManagedFlag = 0; | |
69 | rtadv->AdvOtherConfigFlag = 0; | |
7cee1bb1 | 70 | rtadv->AdvHomeAgentFlag = 0; |
718e3744 | 71 | rtadv->AdvLinkMTU = 0; |
72 | rtadv->AdvReachableTime = 0; | |
73 | rtadv->AdvRetransTimer = 0; | |
74 | rtadv->AdvCurHopLimit = 0; | |
75 | rtadv->AdvDefaultLifetime = RTADV_ADV_DEFAULT_LIFETIME; | |
7cee1bb1 | 76 | rtadv->HomeAgentPreference = 0; |
77 | rtadv->HomeAgentLifetime = RTADV_ADV_DEFAULT_LIFETIME; | |
78 | rtadv->AdvIntervalOption = 0; | |
718e3744 | 79 | |
80 | rtadv->AdvPrefixList = list_new (); | |
81 | } | |
82 | #endif /* RTADV */ | |
83 | ||
eef1fe11 | 84 | /* Initialize installed address chains tree. */ |
85 | zebra_if->ipv4_subnets = route_table_init (); | |
86 | ||
718e3744 | 87 | ifp->info = zebra_if; |
88 | return 0; | |
89 | } | |
90 | ||
91 | /* Called when interface is deleted. */ | |
92 | int | |
93 | if_zebra_delete_hook (struct interface *ifp) | |
94 | { | |
eef1fe11 | 95 | struct zebra_if *zebra_if; |
96 | ||
718e3744 | 97 | if (ifp->info) |
eef1fe11 | 98 | { |
99 | zebra_if = ifp->info; | |
100 | ||
101 | /* Free installed address chains tree. */ | |
102 | if (zebra_if->ipv4_subnets) | |
103 | route_table_finish (zebra_if->ipv4_subnets); | |
104 | ||
105 | XFREE (MTYPE_TMP, zebra_if); | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | /* Tie an interface address to its derived subnet list of addresses. */ | |
112 | int | |
113 | if_subnet_add (struct interface *ifp, struct connected *ifc) | |
114 | { | |
115 | struct route_node *rn; | |
116 | struct zebra_if *zebra_if; | |
117 | struct prefix cp; | |
118 | struct list *addr_list; | |
119 | ||
120 | assert (ifp && ifp->info && ifc); | |
121 | zebra_if = ifp->info; | |
122 | ||
123 | /* Get address derived subnet node and associated address list, while marking | |
124 | address secondary attribute appropriately. */ | |
125 | cp = *ifc->address; | |
126 | apply_mask (&cp); | |
127 | rn = route_node_get (zebra_if->ipv4_subnets, &cp); | |
128 | ||
129 | if ((addr_list = rn->info)) | |
130 | SET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY); | |
131 | else | |
132 | { | |
133 | UNSET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY); | |
134 | rn->info = addr_list = list_new (); | |
135 | route_lock_node (rn); | |
136 | } | |
137 | ||
138 | /* Tie address at the tail of address list. */ | |
139 | listnode_add (addr_list, ifc); | |
140 | ||
141 | /* Return list element count. */ | |
142 | return (addr_list->count); | |
143 | } | |
144 | ||
145 | /* Untie an interface address from its derived subnet list of addresses. */ | |
146 | int | |
147 | if_subnet_delete (struct interface *ifp, struct connected *ifc) | |
148 | { | |
149 | struct route_node *rn; | |
150 | struct zebra_if *zebra_if; | |
151 | struct list *addr_list; | |
152 | ||
153 | assert (ifp && ifp->info && ifc); | |
154 | zebra_if = ifp->info; | |
155 | ||
156 | /* Get address derived subnet node. */ | |
157 | rn = route_node_lookup (zebra_if->ipv4_subnets, ifc->address); | |
158 | if (! (rn && rn->info)) | |
159 | return -1; | |
160 | route_unlock_node (rn); | |
161 | ||
162 | /* Untie address from subnet's address list. */ | |
163 | addr_list = rn->info; | |
164 | listnode_delete (addr_list, ifc); | |
165 | route_unlock_node (rn); | |
166 | ||
167 | /* Return list element count, if not empty. */ | |
168 | if (addr_list->count) | |
169 | { | |
170 | /* If deleted address is primary, mark subsequent one as such and distribute. */ | |
171 | if (! CHECK_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY)) | |
172 | { | |
173 | ifc = (struct connected *) addr_list->head->data; | |
174 | zebra_interface_address_delete_update (ifp, ifc); | |
175 | UNSET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY); | |
176 | zebra_interface_address_add_update (ifp, ifc); | |
177 | } | |
178 | ||
179 | return addr_list->count; | |
180 | } | |
181 | ||
182 | /* Otherwise, free list and route node. */ | |
183 | list_free (addr_list); | |
184 | rn->info = NULL; | |
185 | route_unlock_node (rn); | |
186 | ||
718e3744 | 187 | return 0; |
188 | } | |
189 | ||
190 | /* Wake up configured address if it is not in current kernel | |
191 | address. */ | |
192 | void | |
193 | if_addr_wakeup (struct interface *ifp) | |
194 | { | |
195 | struct listnode *node; | |
196 | struct connected *ifc; | |
197 | struct prefix *p; | |
198 | int ret; | |
199 | ||
200 | for (node = listhead (ifp->connected); node; nextnode (node)) | |
201 | { | |
202 | ifc = getdata (node); | |
203 | p = ifc->address; | |
204 | ||
205 | if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED) | |
206 | && ! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL)) | |
207 | { | |
208 | /* Address check. */ | |
209 | if (p->family == AF_INET) | |
210 | { | |
211 | if (! if_is_up (ifp)) | |
212 | { | |
213 | if_set_flags (ifp, IFF_UP | IFF_RUNNING); | |
214 | if_refresh (ifp); | |
215 | } | |
216 | ||
217 | ret = if_set_prefix (ifp, ifc); | |
218 | if (ret < 0) | |
219 | { | |
220 | zlog_warn ("Can't set interface's address: %s", | |
6099b3b5 | 221 | safe_strerror(errno)); |
718e3744 | 222 | continue; |
223 | } | |
eef1fe11 | 224 | |
225 | /* Add to subnet chain list. */ | |
226 | if_subnet_add (ifp, ifc); | |
227 | ||
718e3744 | 228 | SET_FLAG (ifc->conf, ZEBRA_IFC_REAL); |
229 | ||
230 | zebra_interface_address_add_update (ifp, ifc); | |
231 | ||
2e3b2e47 | 232 | if (if_is_operative(ifp)) |
718e3744 | 233 | connected_up_ipv4 (ifp, ifc); |
234 | } | |
235 | #ifdef HAVE_IPV6 | |
236 | if (p->family == AF_INET6) | |
237 | { | |
238 | if (! if_is_up (ifp)) | |
239 | { | |
240 | if_set_flags (ifp, IFF_UP | IFF_RUNNING); | |
241 | if_refresh (ifp); | |
242 | } | |
243 | ||
244 | ret = if_prefix_add_ipv6 (ifp, ifc); | |
245 | if (ret < 0) | |
246 | { | |
247 | zlog_warn ("Can't set interface's address: %s", | |
6099b3b5 | 248 | safe_strerror(errno)); |
718e3744 | 249 | continue; |
250 | } | |
251 | SET_FLAG (ifc->conf, ZEBRA_IFC_REAL); | |
252 | ||
253 | zebra_interface_address_add_update (ifp, ifc); | |
254 | ||
2e3b2e47 | 255 | if (if_is_operative(ifp)) |
718e3744 | 256 | connected_up_ipv6 (ifp, ifc); |
257 | } | |
258 | #endif /* HAVE_IPV6 */ | |
259 | } | |
260 | } | |
261 | } | |
262 | ||
263 | /* Handle interface addition */ | |
264 | void | |
265 | if_add_update (struct interface *ifp) | |
266 | { | |
48b33aaf | 267 | struct zebra_if *if_data; |
268 | ||
269 | if_data = ifp->info; | |
270 | if (if_data->multicast == IF_ZEBRA_MULTICAST_ON) | |
271 | if_set_flags (ifp, IFF_MULTICAST); | |
272 | else if (if_data->multicast == IF_ZEBRA_MULTICAST_OFF) | |
273 | if_unset_flags (ifp, IFF_MULTICAST); | |
274 | ||
718e3744 | 275 | zebra_interface_add_update (ifp); |
276 | ||
277 | if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
278 | { | |
279 | SET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE); | |
280 | ||
281 | if_addr_wakeup (ifp); | |
282 | ||
283 | if (IS_ZEBRA_DEBUG_KERNEL) | |
b6178002 | 284 | zlog_debug ("interface %s index %d becomes active.", |
285 | ifp->name, ifp->ifindex); | |
718e3744 | 286 | } |
287 | else | |
288 | { | |
289 | if (IS_ZEBRA_DEBUG_KERNEL) | |
b6178002 | 290 | zlog_debug ("interface %s index %d is added.", ifp->name, ifp->ifindex); |
718e3744 | 291 | } |
292 | } | |
293 | ||
44145db3 | 294 | |
295 | /* Handle an interface delete event | |
296 | * | |
297 | * This function is only called when support for | |
298 | * RTM_IFANNOUNCE or AF_NETLINK sockets (RTM_DELLINK message) | |
299 | * is available. It is not called on, eg, Solaris. | |
300 | */ | |
301 | #if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK)) | |
718e3744 | 302 | void |
303 | if_delete_update (struct interface *ifp) | |
304 | { | |
305 | struct listnode *node; | |
306 | struct listnode *next; | |
eef1fe11 | 307 | struct listnode *first; |
308 | struct listnode *last; | |
718e3744 | 309 | struct connected *ifc; |
310 | struct prefix *p; | |
eef1fe11 | 311 | struct route_node *rn; |
312 | struct zebra_if *zebra_if; | |
313 | struct list *addr_list; | |
314 | ||
315 | zebra_if = ifp->info; | |
718e3744 | 316 | |
317 | if (if_is_up(ifp)) | |
318 | { | |
319 | zlog_err ("interface %s index %d is still up while being deleted.", | |
320 | ifp->name, ifp->ifindex); | |
321 | return; | |
322 | } | |
323 | ||
324 | /* Mark interface as inactive */ | |
325 | UNSET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE); | |
326 | ||
327 | if (IS_ZEBRA_DEBUG_KERNEL) | |
b6178002 | 328 | zlog_debug ("interface %s index %d is now inactive.", |
718e3744 | 329 | ifp->name, ifp->ifindex); |
330 | ||
331 | /* Delete connected routes from the kernel. */ | |
332 | if (ifp->connected) | |
333 | { | |
eef1fe11 | 334 | last = NULL; |
335 | while ((node = (last ? last->next : listhead (ifp->connected)))) | |
718e3744 | 336 | { |
718e3744 | 337 | ifc = getdata (node); |
338 | p = ifc->address; | |
eef1fe11 | 339 | |
718e3744 | 340 | if (p->family == AF_INET) |
eef1fe11 | 341 | { |
342 | rn = route_node_lookup (zebra_if->ipv4_subnets, p); | |
343 | route_unlock_node (rn); | |
344 | addr_list = (struct list *) rn->info; | |
345 | ||
346 | /* Remove addresses, secondaries first. */ | |
347 | first = listhead (addr_list); | |
348 | for (node = first->next; node || first; node = next) | |
349 | { | |
350 | if (! node) | |
351 | { | |
352 | node = first; | |
353 | first = NULL; | |
354 | } | |
355 | next = node->next; | |
356 | ||
357 | ifc = getdata (node); | |
358 | p = ifc->address; | |
359 | ||
360 | connected_down_ipv4 (ifp, ifc); | |
361 | ||
362 | zebra_interface_address_delete_update (ifp, ifc); | |
363 | ||
364 | UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL); | |
365 | ||
366 | /* Remove from subnet chain. */ | |
367 | list_delete_node (addr_list, node); | |
368 | route_unlock_node (rn); | |
369 | ||
370 | /* Remove from interface address list (unconditionally). */ | |
371 | listnode_delete (ifp->connected, ifc); | |
372 | connected_free (ifc); | |
373 | } | |
374 | ||
375 | /* Free chain list and respective route node. */ | |
376 | list_delete (addr_list); | |
377 | rn->info = NULL; | |
378 | route_unlock_node (rn); | |
379 | } | |
718e3744 | 380 | #ifdef HAVE_IPV6 |
381 | else if (p->family == AF_INET6) | |
eef1fe11 | 382 | { |
383 | connected_down_ipv6 (ifp, ifc); | |
718e3744 | 384 | |
eef1fe11 | 385 | zebra_interface_address_delete_update (ifp, ifc); |
718e3744 | 386 | |
eef1fe11 | 387 | UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL); |
388 | ||
389 | if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
390 | last = node; | |
391 | else | |
392 | { | |
393 | listnode_delete (ifp->connected, ifc); | |
394 | connected_free (ifc); | |
395 | } | |
718e3744 | 396 | } |
eef1fe11 | 397 | #endif /* HAVE_IPV6 */ |
718e3744 | 398 | } |
399 | } | |
400 | zebra_interface_delete_update (ifp); | |
d2fc8896 | 401 | |
402 | /* Update ifindex after distributing the delete message. This is in | |
403 | case any client needs to have the old value of ifindex available | |
404 | while processing the deletion. Each client daemon is responsible | |
405 | for setting ifindex to IFINDEX_INTERNAL after processing the | |
406 | interface deletion message. */ | |
407 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 408 | } |
44145db3 | 409 | #endif /* (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK) */ |
718e3744 | 410 | |
411 | /* Interface is up. */ | |
412 | void | |
413 | if_up (struct interface *ifp) | |
414 | { | |
52dc7ee6 | 415 | struct listnode *node; |
416 | struct listnode *next; | |
718e3744 | 417 | struct connected *ifc; |
418 | struct prefix *p; | |
419 | ||
420 | /* Notify the protocol daemons. */ | |
421 | zebra_interface_up_update (ifp); | |
422 | ||
423 | /* Install connected routes to the kernel. */ | |
424 | if (ifp->connected) | |
425 | { | |
426 | for (node = listhead (ifp->connected); node; node = next) | |
427 | { | |
428 | next = node->next; | |
429 | ifc = getdata (node); | |
430 | p = ifc->address; | |
431 | ||
432 | if (p->family == AF_INET) | |
433 | connected_up_ipv4 (ifp, ifc); | |
434 | #ifdef HAVE_IPV6 | |
435 | else if (p->family == AF_INET6) | |
436 | connected_up_ipv6 (ifp, ifc); | |
437 | #endif /* HAVE_IPV6 */ | |
438 | } | |
439 | } | |
440 | ||
441 | /* Examine all static routes. */ | |
442 | rib_update (); | |
443 | } | |
444 | ||
445 | /* Interface goes down. We have to manage different behavior of based | |
446 | OS. */ | |
447 | void | |
448 | if_down (struct interface *ifp) | |
449 | { | |
52dc7ee6 | 450 | struct listnode *node; |
451 | struct listnode *next; | |
718e3744 | 452 | struct connected *ifc; |
453 | struct prefix *p; | |
454 | ||
455 | /* Notify to the protocol daemons. */ | |
456 | zebra_interface_down_update (ifp); | |
457 | ||
458 | /* Delete connected routes from the kernel. */ | |
459 | if (ifp->connected) | |
460 | { | |
461 | for (node = listhead (ifp->connected); node; node = next) | |
462 | { | |
463 | next = node->next; | |
464 | ifc = getdata (node); | |
465 | p = ifc->address; | |
466 | ||
467 | if (p->family == AF_INET) | |
468 | connected_down_ipv4 (ifp, ifc); | |
469 | #ifdef HAVE_IPV6 | |
470 | else if (p->family == AF_INET6) | |
471 | connected_down_ipv6 (ifp, ifc); | |
472 | #endif /* HAVE_IPV6 */ | |
473 | } | |
474 | } | |
475 | ||
476 | /* Examine all static routes which direct to the interface. */ | |
477 | rib_update (); | |
478 | } | |
479 | ||
480 | void | |
481 | if_refresh (struct interface *ifp) | |
482 | { | |
2e3b2e47 | 483 | if (if_is_operative (ifp)) |
718e3744 | 484 | { |
485 | if_get_flags (ifp); | |
2e3b2e47 | 486 | if (! if_is_operative (ifp)) |
718e3744 | 487 | if_down (ifp); |
488 | } | |
489 | else | |
490 | { | |
491 | if_get_flags (ifp); | |
2e3b2e47 | 492 | if (if_is_operative (ifp)) |
718e3744 | 493 | if_up (ifp); |
494 | } | |
495 | } | |
496 | ||
497 | /* Printout flag information into vty */ | |
498 | void | |
499 | if_flag_dump_vty (struct vty *vty, unsigned long flag) | |
500 | { | |
501 | int separator = 0; | |
502 | ||
503 | #define IFF_OUT_VTY(X, Y) \ | |
504 | if ((X) && (flag & (X))) \ | |
505 | { \ | |
506 | if (separator) \ | |
507 | vty_out (vty, ","); \ | |
508 | else \ | |
509 | separator = 1; \ | |
510 | vty_out (vty, Y); \ | |
511 | } | |
512 | ||
513 | vty_out (vty, "<"); | |
514 | IFF_OUT_VTY (IFF_UP, "UP"); | |
515 | IFF_OUT_VTY (IFF_BROADCAST, "BROADCAST"); | |
516 | IFF_OUT_VTY (IFF_DEBUG, "DEBUG"); | |
517 | IFF_OUT_VTY (IFF_LOOPBACK, "LOOPBACK"); | |
518 | IFF_OUT_VTY (IFF_POINTOPOINT, "POINTOPOINT"); | |
519 | IFF_OUT_VTY (IFF_NOTRAILERS, "NOTRAILERS"); | |
520 | IFF_OUT_VTY (IFF_RUNNING, "RUNNING"); | |
521 | IFF_OUT_VTY (IFF_NOARP, "NOARP"); | |
522 | IFF_OUT_VTY (IFF_PROMISC, "PROMISC"); | |
523 | IFF_OUT_VTY (IFF_ALLMULTI, "ALLMULTI"); | |
524 | IFF_OUT_VTY (IFF_OACTIVE, "OACTIVE"); | |
525 | IFF_OUT_VTY (IFF_SIMPLEX, "SIMPLEX"); | |
526 | IFF_OUT_VTY (IFF_LINK0, "LINK0"); | |
527 | IFF_OUT_VTY (IFF_LINK1, "LINK1"); | |
528 | IFF_OUT_VTY (IFF_LINK2, "LINK2"); | |
529 | IFF_OUT_VTY (IFF_MULTICAST, "MULTICAST"); | |
44145db3 | 530 | #ifdef SOLARIS_IPV6 |
531 | IFF_OUT_VTY (IFF_IPV4, "IFF_IPv4"); | |
532 | IFF_OUT_VTY (IFF_IPV6, "IFF_IPv6"); | |
533 | #endif /* SOLARIS_IPV6 */ | |
718e3744 | 534 | vty_out (vty, ">"); |
535 | } | |
536 | ||
537 | /* Output prefix string to vty. */ | |
538 | int | |
539 | prefix_vty_out (struct vty *vty, struct prefix *p) | |
540 | { | |
541 | char str[INET6_ADDRSTRLEN]; | |
542 | ||
543 | inet_ntop (p->family, &p->u.prefix, str, sizeof (str)); | |
544 | vty_out (vty, "%s", str); | |
545 | return strlen (str); | |
546 | } | |
547 | ||
548 | /* Dump if address information to vty. */ | |
549 | void | |
550 | connected_dump_vty (struct vty *vty, struct connected *connected) | |
551 | { | |
552 | struct prefix *p; | |
553 | struct interface *ifp; | |
554 | ||
555 | /* Set interface pointer. */ | |
556 | ifp = connected->ifp; | |
557 | ||
558 | /* Print interface address. */ | |
559 | p = connected->address; | |
560 | vty_out (vty, " %s ", prefix_family_str (p)); | |
561 | prefix_vty_out (vty, p); | |
562 | vty_out (vty, "/%d", p->prefixlen); | |
563 | ||
564 | /* If there is destination address, print it. */ | |
565 | p = connected->destination; | |
566 | if (p) | |
567 | { | |
568 | if (p->family == AF_INET) | |
569 | if (ifp->flags & IFF_BROADCAST) | |
570 | { | |
571 | vty_out (vty, " broadcast "); | |
572 | prefix_vty_out (vty, p); | |
573 | } | |
574 | ||
575 | if (ifp->flags & IFF_POINTOPOINT) | |
576 | { | |
577 | vty_out (vty, " pointopoint "); | |
578 | prefix_vty_out (vty, p); | |
579 | } | |
580 | } | |
581 | ||
582 | if (CHECK_FLAG (connected->flags, ZEBRA_IFA_SECONDARY)) | |
583 | vty_out (vty, " secondary"); | |
584 | ||
585 | if (connected->label) | |
586 | vty_out (vty, " %s", connected->label); | |
587 | ||
588 | vty_out (vty, "%s", VTY_NEWLINE); | |
589 | } | |
590 | ||
591 | #ifdef RTADV | |
592 | /* Dump interface ND information to vty. */ | |
593 | void | |
594 | nd_dump_vty (struct vty *vty, struct interface *ifp) | |
595 | { | |
596 | struct zebra_if *zif; | |
597 | struct rtadvconf *rtadv; | |
7cee1bb1 | 598 | int interval; |
718e3744 | 599 | |
600 | zif = (struct zebra_if *) ifp->info; | |
601 | rtadv = &zif->rtadv; | |
602 | ||
603 | if (rtadv->AdvSendAdvertisements) | |
604 | { | |
605 | vty_out (vty, " ND advertised reachable time is %d milliseconds%s", | |
606 | rtadv->AdvReachableTime, VTY_NEWLINE); | |
607 | vty_out (vty, " ND advertised retransmit interval is %d milliseconds%s", | |
608 | rtadv->AdvRetransTimer, VTY_NEWLINE); | |
7cee1bb1 | 609 | interval = rtadv->MaxRtrAdvInterval; |
610 | if (interval % 1000) | |
611 | vty_out (vty, " ND router advertisements are sent every " | |
612 | "%d milliseconds%s", interval, | |
613 | VTY_NEWLINE); | |
614 | else | |
615 | vty_out (vty, " ND router advertisements are sent every " | |
616 | "%d seconds%s", interval / 1000, | |
617 | VTY_NEWLINE); | |
718e3744 | 618 | vty_out (vty, " ND router advertisements live for %d seconds%s", |
619 | rtadv->AdvDefaultLifetime, VTY_NEWLINE); | |
620 | if (rtadv->AdvManagedFlag) | |
621 | vty_out (vty, " Hosts use DHCP to obtain routable addresses.%s", | |
622 | VTY_NEWLINE); | |
623 | else | |
624 | vty_out (vty, " Hosts use stateless autoconfig for addresses.%s", | |
625 | VTY_NEWLINE); | |
7cee1bb1 | 626 | if (rtadv->AdvHomeAgentFlag) |
627 | vty_out (vty, " ND router advertisements with " | |
628 | "Home Agent flag bit set.%s", | |
629 | VTY_NEWLINE); | |
630 | if (rtadv->AdvIntervalOption) | |
631 | vty_out (vty, " ND router advertisements with Adv. Interval option.%s", | |
632 | VTY_NEWLINE); | |
718e3744 | 633 | } |
634 | } | |
635 | #endif /* RTADV */ | |
636 | ||
637 | /* Interface's information print out to vty interface. */ | |
638 | void | |
639 | if_dump_vty (struct vty *vty, struct interface *ifp) | |
640 | { | |
641 | #ifdef HAVE_SOCKADDR_DL | |
642 | struct sockaddr_dl *sdl; | |
643 | #endif /* HAVE_SOCKADDR_DL */ | |
644 | struct connected *connected; | |
52dc7ee6 | 645 | struct listnode *node; |
eef1fe11 | 646 | struct route_node *rn; |
647 | struct zebra_if *zebra_if; | |
648 | ||
649 | zebra_if = ifp->info; | |
718e3744 | 650 | |
2e3b2e47 | 651 | vty_out (vty, "Interface %s is ", ifp->name); |
652 | if (if_is_up(ifp)) { | |
653 | vty_out (vty, "up, line protocol "); | |
654 | ||
655 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) { | |
656 | if (if_is_running(ifp)) | |
657 | vty_out (vty, "is up%s", VTY_NEWLINE); | |
658 | else | |
659 | vty_out (vty, "is down%s", VTY_NEWLINE); | |
660 | } else { | |
661 | vty_out (vty, "detection is disabled%s", VTY_NEWLINE); | |
662 | } | |
663 | } else { | |
664 | vty_out (vty, "down%s", VTY_NEWLINE); | |
665 | } | |
666 | ||
718e3744 | 667 | if (ifp->desc) |
668 | vty_out (vty, " Description: %s%s", ifp->desc, | |
669 | VTY_NEWLINE); | |
d2fc8896 | 670 | if (ifp->ifindex == IFINDEX_INTERNAL) |
718e3744 | 671 | { |
d2fc8896 | 672 | vty_out(vty, " pseudo interface%s", VTY_NEWLINE); |
718e3744 | 673 | return; |
674 | } | |
675 | else if (! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
676 | { | |
677 | vty_out(vty, " index %d inactive interface%s", | |
678 | ifp->ifindex, | |
679 | VTY_NEWLINE); | |
680 | return; | |
681 | } | |
682 | ||
683 | vty_out (vty, " index %d metric %d mtu %d ", | |
684 | ifp->ifindex, ifp->metric, ifp->mtu); | |
685 | if_flag_dump_vty (vty, ifp->flags); | |
44145db3 | 686 | #ifdef HAVE_IPV6 |
687 | if (ifp->mtu6 != ifp->mtu) | |
688 | vty_out (vty, "mtu6 %d ", ifp->mtu6); | |
689 | #endif | |
690 | ||
718e3744 | 691 | vty_out (vty, "%s", VTY_NEWLINE); |
692 | ||
693 | /* Hardware address. */ | |
694 | #ifdef HAVE_SOCKADDR_DL | |
695 | sdl = &ifp->sdl; | |
696 | if (sdl != NULL && sdl->sdl_alen != 0) | |
697 | { | |
698 | int i; | |
699 | u_char *ptr; | |
700 | ||
701 | vty_out (vty, " HWaddr: "); | |
5b73a671 | 702 | for (i = 0, ptr = (u_char *)LLADDR (sdl); i < sdl->sdl_alen; i++, ptr++) |
703 | vty_out (vty, "%s%02x", i == 0 ? "" : ":", *ptr); | |
718e3744 | 704 | vty_out (vty, "%s", VTY_NEWLINE); |
705 | } | |
706 | #else | |
707 | if (ifp->hw_addr_len != 0) | |
708 | { | |
709 | int i; | |
710 | ||
711 | vty_out (vty, " HWaddr: "); | |
712 | for (i = 0; i < ifp->hw_addr_len; i++) | |
713 | vty_out (vty, "%s%02x", i == 0 ? "" : ":", ifp->hw_addr[i]); | |
714 | vty_out (vty, "%s", VTY_NEWLINE); | |
715 | } | |
716 | #endif /* HAVE_SOCKADDR_DL */ | |
717 | ||
718 | /* Bandwidth in kbps */ | |
719 | if (ifp->bandwidth != 0) | |
720 | { | |
721 | vty_out(vty, " bandwidth %u kbps", ifp->bandwidth); | |
722 | vty_out(vty, "%s", VTY_NEWLINE); | |
723 | } | |
724 | ||
eef1fe11 | 725 | for (rn = route_top (zebra_if->ipv4_subnets); rn; rn = route_next (rn)) |
718e3744 | 726 | { |
eef1fe11 | 727 | if (! rn->info) |
728 | continue; | |
729 | ||
730 | for (node = listhead ((struct list *) rn->info); node; nextnode (node)) | |
731 | { | |
732 | connected = getdata (node); | |
733 | connected_dump_vty (vty, connected); | |
734 | } | |
718e3744 | 735 | } |
736 | ||
39db97e4 | 737 | for (node = listhead (ifp->connected); node; nextnode (node)) |
738 | { | |
739 | connected = getdata (node); | |
740 | if (CHECK_FLAG (connected->conf, ZEBRA_IFC_REAL) && | |
741 | (connected->address->family == AF_INET6)) | |
742 | connected_dump_vty (vty, connected); | |
743 | } | |
744 | ||
718e3744 | 745 | #ifdef RTADV |
746 | nd_dump_vty (vty, ifp); | |
747 | #endif /* RTADV */ | |
748 | ||
749 | #ifdef HAVE_PROC_NET_DEV | |
750 | /* Statistics print out using proc file system. */ | |
6f2c27af | 751 | vty_out (vty, " %lu input packets (%lu multicast), %lu bytes, " |
752 | "%lu dropped%s", | |
753 | ifp->stats.rx_packets, ifp->stats.rx_multicast, | |
754 | ifp->stats.rx_bytes, ifp->stats.rx_dropped, VTY_NEWLINE); | |
718e3744 | 755 | |
6f2c27af | 756 | vty_out (vty, " %lu input errors, %lu length, %lu overrun," |
3452d475 | 757 | " %lu CRC, %lu frame%s", |
718e3744 | 758 | ifp->stats.rx_errors, ifp->stats.rx_length_errors, |
759 | ifp->stats.rx_over_errors, ifp->stats.rx_crc_errors, | |
6f2c27af | 760 | ifp->stats.rx_frame_errors, VTY_NEWLINE); |
761 | ||
762 | vty_out (vty, " %lu fifo, %lu missed%s", ifp->stats.rx_fifo_errors, | |
718e3744 | 763 | ifp->stats.rx_missed_errors, VTY_NEWLINE); |
764 | ||
6f2c27af | 765 | vty_out (vty, " %lu output packets, %lu bytes, %lu dropped%s", |
718e3744 | 766 | ifp->stats.tx_packets, ifp->stats.tx_bytes, |
767 | ifp->stats.tx_dropped, VTY_NEWLINE); | |
768 | ||
6f2c27af | 769 | vty_out (vty, " %lu output errors, %lu aborted, %lu carrier," |
770 | " %lu fifo, %lu heartbeat%s", | |
718e3744 | 771 | ifp->stats.tx_errors, ifp->stats.tx_aborted_errors, |
772 | ifp->stats.tx_carrier_errors, ifp->stats.tx_fifo_errors, | |
6f2c27af | 773 | ifp->stats.tx_heartbeat_errors, VTY_NEWLINE); |
718e3744 | 774 | |
6f2c27af | 775 | vty_out (vty, " %lu window, %lu collisions%s", |
776 | ifp->stats.tx_window_errors, ifp->stats.collisions, VTY_NEWLINE); | |
718e3744 | 777 | #endif /* HAVE_PROC_NET_DEV */ |
778 | ||
779 | #ifdef HAVE_NET_RT_IFLIST | |
780 | #if defined (__bsdi__) || defined (__NetBSD__) | |
781 | /* Statistics print out using sysctl (). */ | |
782 | vty_out (vty, " input packets %qu, bytes %qu, dropped %qu," | |
783 | " multicast packets %qu%s", | |
784 | ifp->stats.ifi_ipackets, ifp->stats.ifi_ibytes, | |
785 | ifp->stats.ifi_iqdrops, ifp->stats.ifi_imcasts, | |
786 | VTY_NEWLINE); | |
787 | ||
788 | vty_out (vty, " input errors %qu%s", | |
789 | ifp->stats.ifi_ierrors, VTY_NEWLINE); | |
790 | ||
791 | vty_out (vty, " output packets %qu, bytes %qu, multicast packets %qu%s", | |
792 | ifp->stats.ifi_opackets, ifp->stats.ifi_obytes, | |
793 | ifp->stats.ifi_omcasts, VTY_NEWLINE); | |
794 | ||
795 | vty_out (vty, " output errors %qu%s", | |
796 | ifp->stats.ifi_oerrors, VTY_NEWLINE); | |
797 | ||
798 | vty_out (vty, " collisions %qu%s", | |
799 | ifp->stats.ifi_collisions, VTY_NEWLINE); | |
800 | #else | |
801 | /* Statistics print out using sysctl (). */ | |
802 | vty_out (vty, " input packets %lu, bytes %lu, dropped %lu," | |
803 | " multicast packets %lu%s", | |
804 | ifp->stats.ifi_ipackets, ifp->stats.ifi_ibytes, | |
805 | ifp->stats.ifi_iqdrops, ifp->stats.ifi_imcasts, | |
806 | VTY_NEWLINE); | |
807 | ||
808 | vty_out (vty, " input errors %lu%s", | |
809 | ifp->stats.ifi_ierrors, VTY_NEWLINE); | |
810 | ||
811 | vty_out (vty, " output packets %lu, bytes %lu, multicast packets %lu%s", | |
812 | ifp->stats.ifi_opackets, ifp->stats.ifi_obytes, | |
813 | ifp->stats.ifi_omcasts, VTY_NEWLINE); | |
814 | ||
815 | vty_out (vty, " output errors %lu%s", | |
816 | ifp->stats.ifi_oerrors, VTY_NEWLINE); | |
817 | ||
818 | vty_out (vty, " collisions %lu%s", | |
819 | ifp->stats.ifi_collisions, VTY_NEWLINE); | |
820 | #endif /* __bsdi__ || __NetBSD__ */ | |
821 | #endif /* HAVE_NET_RT_IFLIST */ | |
822 | } | |
823 | ||
824 | /* Check supported address family. */ | |
825 | int | |
826 | if_supported_family (int family) | |
827 | { | |
828 | if (family == AF_INET) | |
829 | return 1; | |
830 | #ifdef HAVE_IPV6 | |
831 | if (family == AF_INET6) | |
832 | return 1; | |
833 | #endif /* HAVE_IPV6 */ | |
834 | return 0; | |
835 | } | |
836 | ||
837 | /* Wrapper hook point for zebra daemon so that ifindex can be set | |
838 | * DEFUN macro not used as extract.pl HAS to ignore this | |
839 | * See also interface_cmd in lib/if.c | |
840 | */ | |
841 | DEFUN_NOSH (zebra_interface, | |
842 | zebra_interface_cmd, | |
843 | "interface IFNAME", | |
844 | "Select an interface to configure\n" | |
845 | "Interface's name\n") | |
846 | { | |
847 | int ret; | |
848 | struct interface * ifp; | |
849 | ||
850 | /* Call lib interface() */ | |
d2fc8896 | 851 | if ((ret = interface_cmd.func (self, vty, argc, argv)) != CMD_SUCCESS) |
852 | return ret; | |
718e3744 | 853 | |
854 | ifp = vty->index; | |
855 | ||
d2fc8896 | 856 | if (ifp->ifindex == IFINDEX_INTERNAL) |
857 | /* Is this really necessary? Shouldn't status be initialized to 0 | |
858 | in that case? */ | |
859 | UNSET_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE); | |
718e3744 | 860 | |
861 | return ret; | |
862 | } | |
863 | ||
718e3744 | 864 | struct cmd_node interface_node = |
865 | { | |
866 | INTERFACE_NODE, | |
867 | "%s(config-if)# ", | |
868 | 1 | |
869 | }; | |
870 | ||
871 | /* Show all or specified interface to vty. */ | |
872 | DEFUN (show_interface, show_interface_cmd, | |
873 | "show interface [IFNAME]", | |
874 | SHOW_STR | |
875 | "Interface status and configuration\n" | |
876 | "Inteface name\n") | |
877 | { | |
52dc7ee6 | 878 | struct listnode *node; |
718e3744 | 879 | struct interface *ifp; |
880 | ||
881 | #ifdef HAVE_PROC_NET_DEV | |
882 | /* If system has interface statistics via proc file system, update | |
883 | statistics. */ | |
884 | ifstat_update_proc (); | |
885 | #endif /* HAVE_PROC_NET_DEV */ | |
886 | #ifdef HAVE_NET_RT_IFLIST | |
887 | ifstat_update_sysctl (); | |
888 | #endif /* HAVE_NET_RT_IFLIST */ | |
889 | ||
890 | /* Specified interface print. */ | |
891 | if (argc != 0) | |
892 | { | |
893 | ifp = if_lookup_by_name (argv[0]); | |
894 | if (ifp == NULL) | |
895 | { | |
896 | vty_out (vty, "%% Can't find interface %s%s", argv[0], | |
897 | VTY_NEWLINE); | |
898 | return CMD_WARNING; | |
899 | } | |
900 | if_dump_vty (vty, ifp); | |
901 | return CMD_SUCCESS; | |
902 | } | |
903 | ||
904 | /* All interface print. */ | |
905 | for (node = listhead (iflist); node; nextnode (node)) | |
906 | if_dump_vty (vty, getdata (node)); | |
907 | ||
908 | return CMD_SUCCESS; | |
909 | } | |
910 | ||
ed9bb6d5 | 911 | DEFUN (show_interface_desc, |
912 | show_interface_desc_cmd, | |
913 | "show interface description", | |
914 | SHOW_STR | |
915 | "Interface status and configuration\n" | |
916 | "Interface description\n") | |
917 | { | |
918 | struct listnode *node; | |
919 | struct interface *ifp; | |
920 | ||
921 | vty_out (vty, "Interface Status Protocol Description%s", VTY_NEWLINE); | |
922 | for (node = listhead (iflist); node; nextnode (node)) | |
923 | { | |
924 | int len; | |
925 | ifp = getdata (node); | |
926 | ||
927 | len = vty_out (vty, "%s", ifp->name); | |
928 | vty_out (vty, "%*s", (16 - len), " "); | |
929 | ||
930 | if (if_is_up(ifp)) | |
931 | { | |
932 | vty_out (vty, "up "); | |
933 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) | |
934 | { | |
935 | if (if_is_running(ifp)) | |
936 | vty_out (vty, "up "); | |
937 | else | |
938 | vty_out (vty, "down "); | |
939 | } | |
940 | else | |
941 | { | |
942 | vty_out (vty, "unknown "); | |
943 | } | |
944 | } | |
945 | else | |
946 | { | |
947 | vty_out (vty, "down down "); | |
948 | } | |
949 | ||
950 | if (ifp->desc) | |
951 | vty_out (vty, "%s", ifp->desc); | |
952 | vty_out (vty, "%s", VTY_NEWLINE); | |
953 | } | |
954 | return CMD_SUCCESS; | |
955 | } | |
956 | ||
718e3744 | 957 | DEFUN (multicast, |
958 | multicast_cmd, | |
959 | "multicast", | |
960 | "Set multicast flag to interface\n") | |
961 | { | |
962 | int ret; | |
963 | struct interface *ifp; | |
964 | struct zebra_if *if_data; | |
965 | ||
966 | ifp = (struct interface *) vty->index; | |
48b33aaf | 967 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
718e3744 | 968 | { |
48b33aaf | 969 | ret = if_set_flags (ifp, IFF_MULTICAST); |
970 | if (ret < 0) | |
971 | { | |
972 | vty_out (vty, "Can't set multicast flag%s", VTY_NEWLINE); | |
973 | return CMD_WARNING; | |
974 | } | |
975 | if_refresh (ifp); | |
718e3744 | 976 | } |
718e3744 | 977 | if_data = ifp->info; |
978 | if_data->multicast = IF_ZEBRA_MULTICAST_ON; | |
48b33aaf | 979 | |
718e3744 | 980 | return CMD_SUCCESS; |
981 | } | |
982 | ||
983 | DEFUN (no_multicast, | |
984 | no_multicast_cmd, | |
985 | "no multicast", | |
986 | NO_STR | |
987 | "Unset multicast flag to interface\n") | |
988 | { | |
989 | int ret; | |
990 | struct interface *ifp; | |
991 | struct zebra_if *if_data; | |
992 | ||
993 | ifp = (struct interface *) vty->index; | |
48b33aaf | 994 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
718e3744 | 995 | { |
48b33aaf | 996 | ret = if_unset_flags (ifp, IFF_MULTICAST); |
997 | if (ret < 0) | |
998 | { | |
999 | vty_out (vty, "Can't unset multicast flag%s", VTY_NEWLINE); | |
1000 | return CMD_WARNING; | |
1001 | } | |
1002 | if_refresh (ifp); | |
718e3744 | 1003 | } |
718e3744 | 1004 | if_data = ifp->info; |
1005 | if_data->multicast = IF_ZEBRA_MULTICAST_OFF; | |
1006 | ||
1007 | return CMD_SUCCESS; | |
1008 | } | |
1009 | ||
2e3b2e47 | 1010 | DEFUN (linkdetect, |
1011 | linkdetect_cmd, | |
1012 | "link-detect", | |
1013 | "Enable link detection on interface\n") | |
1014 | { | |
2e3b2e47 | 1015 | struct interface *ifp; |
1016 | int if_was_operative; | |
1017 | ||
1018 | ifp = (struct interface *) vty->index; | |
1019 | if_was_operative = if_is_operative(ifp); | |
1020 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
1021 | ||
1022 | /* When linkdetection is enabled, if might come down */ | |
1023 | if (!if_is_operative(ifp) && if_was_operative) if_down(ifp); | |
1024 | ||
1025 | /* FIXME: Will defer status change forwarding if interface | |
1026 | does not come down! */ | |
1027 | ||
1028 | return CMD_SUCCESS; | |
1029 | } | |
1030 | ||
1031 | ||
1032 | DEFUN (no_linkdetect, | |
1033 | no_linkdetect_cmd, | |
1034 | "no link-detect", | |
1035 | NO_STR | |
1036 | "Disable link detection on interface\n") | |
1037 | { | |
2e3b2e47 | 1038 | struct interface *ifp; |
1039 | int if_was_operative; | |
1040 | ||
1041 | ifp = (struct interface *) vty->index; | |
1042 | if_was_operative = if_is_operative(ifp); | |
1043 | UNSET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
1044 | ||
1045 | /* Interface may come up after disabling link detection */ | |
1046 | if (if_is_operative(ifp) && !if_was_operative) if_up(ifp); | |
1047 | ||
1048 | /* FIXME: see linkdetect_cmd */ | |
1049 | ||
1050 | return CMD_SUCCESS; | |
1051 | } | |
1052 | ||
718e3744 | 1053 | DEFUN (shutdown_if, |
1054 | shutdown_if_cmd, | |
1055 | "shutdown", | |
1056 | "Shutdown the selected interface\n") | |
1057 | { | |
1058 | int ret; | |
1059 | struct interface *ifp; | |
1060 | struct zebra_if *if_data; | |
1061 | ||
1062 | ifp = (struct interface *) vty->index; | |
1063 | ret = if_unset_flags (ifp, IFF_UP); | |
1064 | if (ret < 0) | |
1065 | { | |
1066 | vty_out (vty, "Can't shutdown interface%s", VTY_NEWLINE); | |
1067 | return CMD_WARNING; | |
1068 | } | |
1069 | if_refresh (ifp); | |
1070 | if_data = ifp->info; | |
1071 | if_data->shutdown = IF_ZEBRA_SHUTDOWN_ON; | |
1072 | ||
1073 | return CMD_SUCCESS; | |
1074 | } | |
1075 | ||
1076 | DEFUN (no_shutdown_if, | |
1077 | no_shutdown_if_cmd, | |
1078 | "no shutdown", | |
1079 | NO_STR | |
1080 | "Shutdown the selected interface\n") | |
1081 | { | |
1082 | int ret; | |
1083 | struct interface *ifp; | |
1084 | struct zebra_if *if_data; | |
1085 | ||
1086 | ifp = (struct interface *) vty->index; | |
1087 | ret = if_set_flags (ifp, IFF_UP | IFF_RUNNING); | |
1088 | if (ret < 0) | |
1089 | { | |
1090 | vty_out (vty, "Can't up interface%s", VTY_NEWLINE); | |
1091 | return CMD_WARNING; | |
1092 | } | |
1093 | if_refresh (ifp); | |
1094 | if_data = ifp->info; | |
1095 | if_data->shutdown = IF_ZEBRA_SHUTDOWN_OFF; | |
1096 | ||
1097 | return CMD_SUCCESS; | |
1098 | } | |
1099 | ||
1100 | DEFUN (bandwidth_if, | |
1101 | bandwidth_if_cmd, | |
1102 | "bandwidth <1-10000000>", | |
1103 | "Set bandwidth informational parameter\n" | |
1104 | "Bandwidth in kilobits\n") | |
1105 | { | |
1106 | struct interface *ifp; | |
1107 | unsigned int bandwidth; | |
1108 | ||
1109 | ifp = (struct interface *) vty->index; | |
1110 | bandwidth = strtol(argv[0], NULL, 10); | |
1111 | ||
1112 | /* bandwidth range is <1-10000000> */ | |
1113 | if (bandwidth < 1 || bandwidth > 10000000) | |
1114 | { | |
1115 | vty_out (vty, "Bandwidth is invalid%s", VTY_NEWLINE); | |
1116 | return CMD_WARNING; | |
1117 | } | |
1118 | ||
1119 | ifp->bandwidth = bandwidth; | |
1120 | ||
1121 | /* force protocols to recalculate routes due to cost change */ | |
2e3b2e47 | 1122 | if (if_is_operative (ifp)) |
718e3744 | 1123 | zebra_interface_up_update (ifp); |
1124 | ||
1125 | return CMD_SUCCESS; | |
1126 | } | |
1127 | ||
1128 | DEFUN (no_bandwidth_if, | |
1129 | no_bandwidth_if_cmd, | |
1130 | "no bandwidth", | |
1131 | NO_STR | |
1132 | "Set bandwidth informational parameter\n") | |
1133 | { | |
1134 | struct interface *ifp; | |
1135 | ||
1136 | ifp = (struct interface *) vty->index; | |
1137 | ||
1138 | ifp->bandwidth = 0; | |
1139 | ||
1140 | /* force protocols to recalculate routes due to cost change */ | |
2e3b2e47 | 1141 | if (if_is_operative (ifp)) |
718e3744 | 1142 | zebra_interface_up_update (ifp); |
1143 | ||
1144 | return CMD_SUCCESS; | |
1145 | } | |
1146 | ||
1147 | ALIAS (no_bandwidth_if, | |
1148 | no_bandwidth_if_val_cmd, | |
1149 | "no bandwidth <1-10000000>", | |
1150 | NO_STR | |
1151 | "Set bandwidth informational parameter\n" | |
1152 | "Bandwidth in kilobits\n") | |
1153 | \f | |
1154 | int | |
39db97e4 | 1155 | ip_address_install (struct vty *vty, struct interface *ifp, |
1156 | const char *addr_str, const char *peer_str, | |
1157 | const char *label) | |
718e3744 | 1158 | { |
1159 | struct prefix_ipv4 cp; | |
1160 | struct connected *ifc; | |
1161 | struct prefix_ipv4 *p; | |
718e3744 | 1162 | int ret; |
1163 | ||
1164 | ret = str2prefix_ipv4 (addr_str, &cp); | |
1165 | if (ret <= 0) | |
1166 | { | |
1167 | vty_out (vty, "%% Malformed address %s", VTY_NEWLINE); | |
1168 | return CMD_WARNING; | |
1169 | } | |
1170 | ||
1171 | ifc = connected_check_ipv4 (ifp, (struct prefix *) &cp); | |
1172 | if (! ifc) | |
1173 | { | |
1174 | ifc = connected_new (); | |
1175 | ifc->ifp = ifp; | |
1176 | ||
1177 | /* Address. */ | |
1178 | p = prefix_ipv4_new (); | |
1179 | *p = cp; | |
1180 | ifc->address = (struct prefix *) p; | |
1181 | ||
1182 | /* Broadcast. */ | |
3fb9cd6e | 1183 | if (p->prefixlen <= IPV4_MAX_PREFIXLEN-2) |
718e3744 | 1184 | { |
1185 | p = prefix_ipv4_new (); | |
1186 | *p = cp; | |
3fb9cd6e | 1187 | p->prefix.s_addr = ipv4_broadcast_addr(p->prefix.s_addr,p->prefixlen); |
718e3744 | 1188 | ifc->destination = (struct prefix *) p; |
1189 | } | |
1190 | ||
718e3744 | 1191 | /* Label. */ |
1192 | if (label) | |
1193 | ifc->label = strdup (label); | |
1194 | ||
1195 | /* Add to linked list. */ | |
1196 | listnode_add (ifp->connected, ifc); | |
1197 | } | |
1198 | ||
1199 | /* This address is configured from zebra. */ | |
1200 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
1201 | SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED); | |
1202 | ||
1203 | /* In case of this route need to install kernel. */ | |
1204 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL) | |
1205 | && CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1206 | { | |
1207 | /* Some system need to up the interface to set IP address. */ | |
1208 | if (! if_is_up (ifp)) | |
1209 | { | |
1210 | if_set_flags (ifp, IFF_UP | IFF_RUNNING); | |
1211 | if_refresh (ifp); | |
1212 | } | |
1213 | ||
1214 | ret = if_set_prefix (ifp, ifc); | |
1215 | if (ret < 0) | |
1216 | { | |
1217 | vty_out (vty, "%% Can't set interface IP address: %s.%s", | |
6099b3b5 | 1218 | safe_strerror(errno), VTY_NEWLINE); |
718e3744 | 1219 | return CMD_WARNING; |
1220 | } | |
1221 | ||
eef1fe11 | 1222 | /* Add to subnet chain list (while marking secondary attribute). */ |
1223 | if_subnet_add (ifp, ifc); | |
1224 | ||
718e3744 | 1225 | /* IP address propery set. */ |
1226 | SET_FLAG (ifc->conf, ZEBRA_IFC_REAL); | |
1227 | ||
1228 | /* Update interface address information to protocol daemon. */ | |
1229 | zebra_interface_address_add_update (ifp, ifc); | |
1230 | ||
1231 | /* If interface is up register connected route. */ | |
2e3b2e47 | 1232 | if (if_is_operative(ifp)) |
718e3744 | 1233 | connected_up_ipv4 (ifp, ifc); |
1234 | } | |
1235 | ||
1236 | return CMD_SUCCESS; | |
1237 | } | |
1238 | ||
1239 | int | |
39db97e4 | 1240 | ip_address_uninstall (struct vty *vty, struct interface *ifp, |
1241 | const char *addr_str, const char *peer_str, | |
1242 | const char *label) | |
718e3744 | 1243 | { |
1244 | struct prefix_ipv4 cp; | |
1245 | struct connected *ifc; | |
1246 | int ret; | |
1247 | ||
1248 | /* Convert to prefix structure. */ | |
1249 | ret = str2prefix_ipv4 (addr_str, &cp); | |
1250 | if (ret <= 0) | |
1251 | { | |
1252 | vty_out (vty, "%% Malformed address %s", VTY_NEWLINE); | |
1253 | return CMD_WARNING; | |
1254 | } | |
1255 | ||
1256 | /* Check current interface address. */ | |
1257 | ifc = connected_check_ipv4 (ifp, (struct prefix *) &cp); | |
1258 | if (! ifc) | |
1259 | { | |
1260 | vty_out (vty, "%% Can't find address%s", VTY_NEWLINE); | |
1261 | return CMD_WARNING; | |
1262 | } | |
1263 | ||
1264 | /* This is not configured address. */ | |
1265 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
1266 | return CMD_WARNING; | |
1267 | ||
1268 | /* This is not real address or interface is not active. */ | |
1269 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL) | |
1270 | || ! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1271 | { | |
1272 | listnode_delete (ifp->connected, ifc); | |
1273 | connected_free (ifc); | |
1274 | return CMD_WARNING; | |
1275 | } | |
1276 | ||
1277 | /* This is real route. */ | |
1278 | ret = if_unset_prefix (ifp, ifc); | |
1279 | if (ret < 0) | |
1280 | { | |
1281 | vty_out (vty, "%% Can't unset interface IP address: %s.%s", | |
6099b3b5 | 1282 | safe_strerror(errno), VTY_NEWLINE); |
718e3744 | 1283 | return CMD_WARNING; |
1284 | } | |
1285 | ||
eef1fe11 | 1286 | #if 0 |
718e3744 | 1287 | /* Redistribute this information. */ |
1288 | zebra_interface_address_delete_update (ifp, ifc); | |
1289 | ||
1290 | /* Remove connected route. */ | |
1291 | connected_down_ipv4 (ifp, ifc); | |
1292 | ||
1293 | /* Free address information. */ | |
1294 | listnode_delete (ifp->connected, ifc); | |
1295 | connected_free (ifc); | |
eef1fe11 | 1296 | #endif |
718e3744 | 1297 | |
1298 | return CMD_SUCCESS; | |
1299 | } | |
1300 | ||
1301 | DEFUN (ip_address, | |
1302 | ip_address_cmd, | |
1303 | "ip address A.B.C.D/M", | |
1304 | "Interface Internet Protocol config commands\n" | |
1305 | "Set the IP address of an interface\n" | |
1306 | "IP address (e.g. 10.0.0.1/8)\n") | |
1307 | { | |
eef1fe11 | 1308 | return ip_address_install (vty, vty->index, argv[0], NULL, NULL); |
718e3744 | 1309 | } |
1310 | ||
1311 | DEFUN (no_ip_address, | |
1312 | no_ip_address_cmd, | |
1313 | "no ip address A.B.C.D/M", | |
1314 | NO_STR | |
1315 | "Interface Internet Protocol config commands\n" | |
1316 | "Set the IP address of an interface\n" | |
1317 | "IP Address (e.g. 10.0.0.1/8)") | |
1318 | { | |
eef1fe11 | 1319 | return ip_address_uninstall (vty, vty->index, argv[0], NULL, NULL); |
718e3744 | 1320 | } |
1321 | ||
1322 | #ifdef HAVE_NETLINK | |
718e3744 | 1323 | DEFUN (ip_address_label, |
1324 | ip_address_label_cmd, | |
1325 | "ip address A.B.C.D/M label LINE", | |
1326 | "Interface Internet Protocol config commands\n" | |
1327 | "Set the IP address of an interface\n" | |
1328 | "IP address (e.g. 10.0.0.1/8)\n" | |
1329 | "Label of this address\n" | |
1330 | "Label\n") | |
1331 | { | |
eef1fe11 | 1332 | return ip_address_install (vty, vty->index, argv[0], NULL, argv[1]); |
718e3744 | 1333 | } |
1334 | ||
1335 | DEFUN (no_ip_address_label, | |
1336 | no_ip_address_label_cmd, | |
1337 | "no ip address A.B.C.D/M label LINE", | |
1338 | NO_STR | |
1339 | "Interface Internet Protocol config commands\n" | |
1340 | "Set the IP address of an interface\n" | |
1341 | "IP address (e.g. 10.0.0.1/8)\n" | |
1342 | "Label of this address\n" | |
1343 | "Label\n") | |
1344 | { | |
eef1fe11 | 1345 | return ip_address_uninstall (vty, vty->index, argv[0], NULL, argv[1]); |
718e3744 | 1346 | } |
1347 | #endif /* HAVE_NETLINK */ | |
1348 | ||
1349 | #ifdef HAVE_IPV6 | |
1350 | int | |
39db97e4 | 1351 | ipv6_address_install (struct vty *vty, struct interface *ifp, |
1352 | const char *addr_str, const char *peer_str, | |
1353 | const char *label, int secondary) | |
718e3744 | 1354 | { |
1355 | struct prefix_ipv6 cp; | |
1356 | struct connected *ifc; | |
1357 | struct prefix_ipv6 *p; | |
1358 | int ret; | |
1359 | ||
1360 | ret = str2prefix_ipv6 (addr_str, &cp); | |
1361 | if (ret <= 0) | |
1362 | { | |
1363 | vty_out (vty, "%% Malformed address %s", VTY_NEWLINE); | |
1364 | return CMD_WARNING; | |
1365 | } | |
1366 | ||
1367 | ifc = connected_check_ipv6 (ifp, (struct prefix *) &cp); | |
1368 | if (! ifc) | |
1369 | { | |
1370 | ifc = connected_new (); | |
1371 | ifc->ifp = ifp; | |
1372 | ||
1373 | /* Address. */ | |
1374 | p = prefix_ipv6_new (); | |
1375 | *p = cp; | |
1376 | ifc->address = (struct prefix *) p; | |
1377 | ||
1378 | /* Secondary. */ | |
1379 | if (secondary) | |
1380 | SET_FLAG (ifc->flags, ZEBRA_IFA_SECONDARY); | |
1381 | ||
1382 | /* Label. */ | |
1383 | if (label) | |
1384 | ifc->label = strdup (label); | |
1385 | ||
1386 | /* Add to linked list. */ | |
1387 | listnode_add (ifp->connected, ifc); | |
1388 | } | |
1389 | ||
1390 | /* This address is configured from zebra. */ | |
1391 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
1392 | SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED); | |
1393 | ||
1394 | /* In case of this route need to install kernel. */ | |
1395 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL) | |
1396 | && CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1397 | { | |
1398 | /* Some system need to up the interface to set IP address. */ | |
1399 | if (! if_is_up (ifp)) | |
1400 | { | |
1401 | if_set_flags (ifp, IFF_UP | IFF_RUNNING); | |
1402 | if_refresh (ifp); | |
1403 | } | |
1404 | ||
1405 | ret = if_prefix_add_ipv6 (ifp, ifc); | |
1406 | ||
1407 | if (ret < 0) | |
1408 | { | |
1409 | vty_out (vty, "%% Can't set interface IP address: %s.%s", | |
6099b3b5 | 1410 | safe_strerror(errno), VTY_NEWLINE); |
718e3744 | 1411 | return CMD_WARNING; |
1412 | } | |
1413 | ||
1414 | /* IP address propery set. */ | |
1415 | SET_FLAG (ifc->conf, ZEBRA_IFC_REAL); | |
1416 | ||
1417 | /* Update interface address information to protocol daemon. */ | |
1418 | zebra_interface_address_add_update (ifp, ifc); | |
1419 | ||
1420 | /* If interface is up register connected route. */ | |
2e3b2e47 | 1421 | if (if_is_operative(ifp)) |
718e3744 | 1422 | connected_up_ipv6 (ifp, ifc); |
1423 | } | |
1424 | ||
1425 | return CMD_SUCCESS; | |
1426 | } | |
1427 | ||
1428 | int | |
39db97e4 | 1429 | ipv6_address_uninstall (struct vty *vty, struct interface *ifp, |
1430 | const char *addr_str, const char *peer_str, | |
1431 | const char *label, int secondry) | |
718e3744 | 1432 | { |
1433 | struct prefix_ipv6 cp; | |
1434 | struct connected *ifc; | |
1435 | int ret; | |
1436 | ||
1437 | /* Convert to prefix structure. */ | |
1438 | ret = str2prefix_ipv6 (addr_str, &cp); | |
1439 | if (ret <= 0) | |
1440 | { | |
1441 | vty_out (vty, "%% Malformed address %s", VTY_NEWLINE); | |
1442 | return CMD_WARNING; | |
1443 | } | |
1444 | ||
1445 | /* Check current interface address. */ | |
1446 | ifc = connected_check_ipv6 (ifp, (struct prefix *) &cp); | |
1447 | if (! ifc) | |
1448 | { | |
1449 | vty_out (vty, "%% Can't find address%s", VTY_NEWLINE); | |
1450 | return CMD_WARNING; | |
1451 | } | |
1452 | ||
1453 | /* This is not configured address. */ | |
1454 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
1455 | return CMD_WARNING; | |
1456 | ||
1457 | /* This is not real address or interface is not active. */ | |
1458 | if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL) | |
1459 | || ! CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) | |
1460 | { | |
1461 | listnode_delete (ifp->connected, ifc); | |
1462 | connected_free (ifc); | |
1463 | return CMD_WARNING; | |
1464 | } | |
1465 | ||
1466 | /* This is real route. */ | |
1467 | ret = if_prefix_delete_ipv6 (ifp, ifc); | |
1468 | if (ret < 0) | |
1469 | { | |
1470 | vty_out (vty, "%% Can't unset interface IP address: %s.%s", | |
6099b3b5 | 1471 | safe_strerror(errno), VTY_NEWLINE); |
718e3744 | 1472 | return CMD_WARNING; |
1473 | } | |
1474 | ||
1475 | /* Redistribute this information. */ | |
1476 | zebra_interface_address_delete_update (ifp, ifc); | |
1477 | ||
1478 | /* Remove connected route. */ | |
1479 | connected_down_ipv6 (ifp, ifc); | |
1480 | ||
1481 | /* Free address information. */ | |
1482 | listnode_delete (ifp->connected, ifc); | |
1483 | connected_free (ifc); | |
1484 | ||
1485 | return CMD_SUCCESS; | |
1486 | } | |
1487 | ||
1488 | DEFUN (ipv6_address, | |
1489 | ipv6_address_cmd, | |
1490 | "ipv6 address X:X::X:X/M", | |
e23949c0 | 1491 | "Interface IPv6 config commands\n" |
718e3744 | 1492 | "Set the IP address of an interface\n" |
1493 | "IPv6 address (e.g. 3ffe:506::1/48)\n") | |
1494 | { | |
1495 | return ipv6_address_install (vty, vty->index, argv[0], NULL, NULL, 0); | |
1496 | } | |
1497 | ||
1498 | DEFUN (no_ipv6_address, | |
1499 | no_ipv6_address_cmd, | |
1500 | "no ipv6 address X:X::X:X/M", | |
1501 | NO_STR | |
e23949c0 | 1502 | "Interface IPv6 config commands\n" |
718e3744 | 1503 | "Set the IP address of an interface\n" |
1504 | "IPv6 address (e.g. 3ffe:506::1/48)\n") | |
1505 | { | |
1506 | return ipv6_address_uninstall (vty, vty->index, argv[0], NULL, NULL, 0); | |
1507 | } | |
1508 | #endif /* HAVE_IPV6 */ | |
1509 | ||
718e3744 | 1510 | int |
1511 | if_config_write (struct vty *vty) | |
1512 | { | |
52dc7ee6 | 1513 | struct listnode *node; |
718e3744 | 1514 | struct interface *ifp; |
1515 | char buf[BUFSIZ]; | |
1516 | ||
1517 | for (node = listhead (iflist); node; nextnode (node)) | |
1518 | { | |
1519 | struct zebra_if *if_data; | |
52dc7ee6 | 1520 | struct listnode *addrnode; |
718e3744 | 1521 | struct connected *ifc; |
1522 | struct prefix *p; | |
1523 | ||
1524 | ifp = getdata (node); | |
1525 | if_data = ifp->info; | |
1526 | ||
1527 | vty_out (vty, "interface %s%s", ifp->name, | |
1528 | VTY_NEWLINE); | |
1529 | ||
1530 | if (ifp->desc) | |
1531 | vty_out (vty, " description %s%s", ifp->desc, | |
1532 | VTY_NEWLINE); | |
1533 | ||
1534 | /* Assign bandwidth here to avoid unnecessary interface flap | |
1535 | while processing config script */ | |
1536 | if (ifp->bandwidth != 0) | |
1537 | vty_out(vty, " bandwidth %u%s", ifp->bandwidth, VTY_NEWLINE); | |
1538 | ||
2e3b2e47 | 1539 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION)) |
1540 | vty_out(vty, " link-detect%s", VTY_NEWLINE); | |
1541 | ||
718e3744 | 1542 | for (addrnode = listhead (ifp->connected); addrnode; nextnode (addrnode)) |
1543 | { | |
1544 | ifc = getdata (addrnode); | |
1545 | if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)) | |
1546 | { | |
1547 | p = ifc->address; | |
1548 | vty_out (vty, " ip%s address %s/%d", | |
1549 | p->family == AF_INET ? "" : "v6", | |
1550 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1551 | p->prefixlen); | |
1552 | ||
718e3744 | 1553 | if (ifc->label) |
1554 | vty_out (vty, " label %s", ifc->label); | |
1555 | ||
1556 | vty_out (vty, "%s", VTY_NEWLINE); | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | if (if_data) | |
1561 | { | |
1562 | if (if_data->shutdown == IF_ZEBRA_SHUTDOWN_ON) | |
1563 | vty_out (vty, " shutdown%s", VTY_NEWLINE); | |
1564 | ||
1565 | if (if_data->multicast != IF_ZEBRA_MULTICAST_UNSPEC) | |
1566 | vty_out (vty, " %smulticast%s", | |
1567 | if_data->multicast == IF_ZEBRA_MULTICAST_ON ? "" : "no ", | |
1568 | VTY_NEWLINE); | |
1569 | } | |
1570 | ||
1571 | #ifdef RTADV | |
1572 | rtadv_config_write (vty, ifp); | |
1573 | #endif /* RTADV */ | |
1574 | ||
ca776988 | 1575 | #ifdef HAVE_IRDP |
1576 | irdp_config_write (vty, ifp); | |
1577 | #endif /* IRDP */ | |
1578 | ||
718e3744 | 1579 | vty_out (vty, "!%s", VTY_NEWLINE); |
1580 | } | |
1581 | return 0; | |
1582 | } | |
1583 | ||
1584 | /* Allocate and initialize interface vector. */ | |
1585 | void | |
1586 | zebra_if_init () | |
1587 | { | |
1588 | /* Initialize interface and new hook. */ | |
1589 | if_init (); | |
1590 | if_add_hook (IF_NEW_HOOK, if_zebra_new_hook); | |
1591 | if_add_hook (IF_DELETE_HOOK, if_zebra_delete_hook); | |
1592 | ||
1593 | /* Install configuration write function. */ | |
1594 | install_node (&interface_node, if_config_write); | |
1595 | ||
1596 | install_element (VIEW_NODE, &show_interface_cmd); | |
1597 | install_element (ENABLE_NODE, &show_interface_cmd); | |
ed9bb6d5 | 1598 | install_element (ENABLE_NODE, &show_interface_desc_cmd); |
718e3744 | 1599 | install_element (CONFIG_NODE, &zebra_interface_cmd); |
bfc13532 | 1600 | install_element (CONFIG_NODE, &no_interface_cmd); |
718e3744 | 1601 | install_default (INTERFACE_NODE); |
1602 | install_element (INTERFACE_NODE, &interface_desc_cmd); | |
1603 | install_element (INTERFACE_NODE, &no_interface_desc_cmd); | |
1604 | install_element (INTERFACE_NODE, &multicast_cmd); | |
1605 | install_element (INTERFACE_NODE, &no_multicast_cmd); | |
2e3b2e47 | 1606 | install_element (INTERFACE_NODE, &linkdetect_cmd); |
1607 | install_element (INTERFACE_NODE, &no_linkdetect_cmd); | |
718e3744 | 1608 | install_element (INTERFACE_NODE, &shutdown_if_cmd); |
1609 | install_element (INTERFACE_NODE, &no_shutdown_if_cmd); | |
1610 | install_element (INTERFACE_NODE, &bandwidth_if_cmd); | |
1611 | install_element (INTERFACE_NODE, &no_bandwidth_if_cmd); | |
1612 | install_element (INTERFACE_NODE, &no_bandwidth_if_val_cmd); | |
1613 | install_element (INTERFACE_NODE, &ip_address_cmd); | |
1614 | install_element (INTERFACE_NODE, &no_ip_address_cmd); | |
1615 | #ifdef HAVE_IPV6 | |
1616 | install_element (INTERFACE_NODE, &ipv6_address_cmd); | |
1617 | install_element (INTERFACE_NODE, &no_ipv6_address_cmd); | |
1618 | #endif /* HAVE_IPV6 */ | |
718e3744 | 1619 | #ifdef HAVE_NETLINK |
718e3744 | 1620 | install_element (INTERFACE_NODE, &ip_address_label_cmd); |
718e3744 | 1621 | install_element (INTERFACE_NODE, &no_ip_address_label_cmd); |
1622 | #endif /* HAVE_NETLINK */ | |
1623 | } |