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106d2fd5 | 1 | |
718e3744 | 2 | /* |
3 | * Interface functions. | |
4 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
5 | * | |
6 | * This file is part of GNU Zebra. | |
7 | * | |
8 | * GNU Zebra is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published | |
10 | * by the Free Software Foundation; either version 2, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * GNU Zebra is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with GNU Zebra; see the file COPYING. If not, write to the | |
20 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | * Boston, MA 02111-1307, USA. | |
22 | */ | |
23 | ||
24 | #include <zebra.h> | |
25 | ||
26 | #include "linklist.h" | |
27 | #include "vector.h" | |
28 | #include "vty.h" | |
29 | #include "command.h" | |
8736158a | 30 | #include "vrf.h" |
718e3744 | 31 | #include "if.h" |
32 | #include "sockunion.h" | |
33 | #include "prefix.h" | |
718e3744 | 34 | #include "memory.h" |
35 | #include "table.h" | |
36 | #include "buffer.h" | |
37 | #include "str.h" | |
38 | #include "log.h" | |
6b0655a2 | 39 | |
8736158a | 40 | /* List of interfaces in only the default VRF */ |
718e3744 | 41 | struct list *iflist; |
244c1cdc | 42 | int ptm_enable = 0; |
718e3744 | 43 | |
44 | /* One for each program. This structure is needed to store hooks. */ | |
45 | struct if_master | |
46 | { | |
47 | int (*if_new_hook) (struct interface *); | |
48 | int (*if_delete_hook) (struct interface *); | |
8736158a | 49 | } if_master = {0,}; |
6b0655a2 | 50 | |
3a0391a9 | 51 | /* Compare interface names, returning an integer greater than, equal to, or |
52 | * less than 0, (following the strcmp convention), according to the | |
53 | * relationship between ifp1 and ifp2. Interface names consist of an | |
54 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
55 | * lexicographic by name, and then numeric by number. No number sorts | |
56 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
57 | * devpty0, de0 < del0 | |
58 | */ | |
106d2fd5 | 59 | int |
60 | if_cmp_func (struct interface *ifp1, struct interface *ifp2) | |
61 | { | |
62 | unsigned int l1, l2; | |
63 | long int x1, x2; | |
64 | char *p1, *p2; | |
65 | int res; | |
66 | ||
67 | p1 = ifp1->name; | |
68 | p2 = ifp2->name; | |
69 | ||
90578521 | 70 | while (*p1 && *p2) { |
106d2fd5 | 71 | /* look up to any number */ |
72 | l1 = strcspn(p1, "0123456789"); | |
73 | l2 = strcspn(p2, "0123456789"); | |
74 | ||
75 | /* name lengths are different -> compare names */ | |
76 | if (l1 != l2) | |
77 | return (strcmp(p1, p2)); | |
78 | ||
3a0391a9 | 79 | /* Note that this relies on all numbers being less than all letters, so |
80 | * that de0 < del0. | |
81 | */ | |
106d2fd5 | 82 | res = strncmp(p1, p2, l1); |
83 | ||
84 | /* names are different -> compare them */ | |
85 | if (res) | |
86 | return res; | |
87 | ||
88 | /* with identical name part, go to numeric part */ | |
106d2fd5 | 89 | p1 += l1; |
90 | p2 += l1; | |
91 | ||
b06c14f2 | 92 | if (!*p1) |
93 | return -1; | |
94 | if (!*p2) | |
95 | return 1; | |
96 | ||
106d2fd5 | 97 | x1 = strtol(p1, &p1, 10); |
98 | x2 = strtol(p2, &p2, 10); | |
99 | ||
100 | /* let's compare numbers now */ | |
101 | if (x1 < x2) | |
102 | return -1; | |
103 | if (x1 > x2) | |
104 | return 1; | |
105 | ||
106 | /* numbers were equal, lets do it again.. | |
107 | (it happens with name like "eth123.456:789") */ | |
108 | } | |
90578521 | 109 | if (*p1) |
110 | return 1; | |
111 | if (*p2) | |
112 | return -1; | |
113 | return 0; | |
106d2fd5 | 114 | } |
115 | ||
718e3744 | 116 | /* Create new interface structure. */ |
718e3744 | 117 | struct interface * |
8736158a | 118 | if_create_vrf (const char *name, int namelen, vrf_id_t vrf_id) |
718e3744 | 119 | { |
120 | struct interface *ifp; | |
8736158a | 121 | struct list *intf_list = vrf_iflist_get (vrf_id); |
718e3744 | 122 | |
d2fc8896 | 123 | ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); |
124 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 125 | |
106d2fd5 | 126 | assert (name); |
d2fc8896 | 127 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ |
106d2fd5 | 128 | strncpy (ifp->name, name, namelen); |
d2fc8896 | 129 | ifp->name[namelen] = '\0'; |
8736158a FL |
130 | ifp->vrf_id = vrf_id; |
131 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
132 | listnode_add_sort (intf_list, ifp); | |
d2fc8896 | 133 | else |
134 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
8736158a | 135 | "name exists already in VRF %u!", ifp->name, vrf_id); |
718e3744 | 136 | ifp->connected = list_new (); |
137 | ifp->connected->del = (void (*) (void *)) connected_free; | |
138 | ||
a80beece DS |
139 | ifp->nbr_connected = list_new (); |
140 | ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; | |
141 | ||
c9506a0a DS |
142 | /* Enable Link-detection by default */ |
143 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
144 | ||
718e3744 | 145 | if (if_master.if_new_hook) |
146 | (*if_master.if_new_hook) (ifp); | |
147 | ||
148 | return ifp; | |
149 | } | |
150 | ||
8736158a FL |
151 | struct interface * |
152 | if_create (const char *name, int namelen) | |
153 | { | |
154 | return if_create_vrf (name, namelen, VRF_DEFAULT); | |
155 | } | |
156 | ||
f93e3f69 DS |
157 | /* Create new interface structure. */ |
158 | void | |
159 | if_update_vrf (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) | |
160 | { | |
161 | struct list *intf_list = vrf_iflist_get (vrf_id); | |
162 | ||
163 | /* remove interface from old master vrf list */ | |
164 | if (vrf_iflist (ifp->vrf_id)) | |
165 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); | |
166 | ||
167 | assert (name); | |
168 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ | |
169 | strncpy (ifp->name, name, namelen); | |
170 | ifp->name[namelen] = '\0'; | |
171 | ifp->vrf_id = vrf_id; | |
172 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
173 | listnode_add_sort (intf_list, ifp); | |
174 | else | |
175 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
176 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
177 | ||
178 | return; | |
179 | } | |
180 | ||
181 | ||
d2fc8896 | 182 | /* Delete interface structure. */ |
718e3744 | 183 | void |
d2fc8896 | 184 | if_delete_retain (struct interface *ifp) |
718e3744 | 185 | { |
718e3744 | 186 | if (if_master.if_delete_hook) |
187 | (*if_master.if_delete_hook) (ifp); | |
188 | ||
189 | /* Free connected address list */ | |
2dd04c5d | 190 | list_delete_all_node (ifp->connected); |
a80beece DS |
191 | |
192 | /* Free connected nbr address list */ | |
193 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 194 | } |
195 | ||
196 | /* Delete and free interface structure. */ | |
197 | void | |
198 | if_delete (struct interface *ifp) | |
199 | { | |
8736158a | 200 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 201 | |
202 | if_delete_retain(ifp); | |
718e3744 | 203 | |
2dd04c5d | 204 | list_free (ifp->connected); |
a80beece | 205 | list_free (ifp->nbr_connected); |
2dd04c5d | 206 | |
718e3744 | 207 | XFREE (MTYPE_IF, ifp); |
208 | } | |
209 | ||
210 | /* Add hook to interface master. */ | |
211 | void | |
212 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
213 | { | |
214 | switch (type) { | |
215 | case IF_NEW_HOOK: | |
216 | if_master.if_new_hook = func; | |
217 | break; | |
218 | case IF_DELETE_HOOK: | |
219 | if_master.if_delete_hook = func; | |
220 | break; | |
221 | default: | |
222 | break; | |
223 | } | |
224 | } | |
225 | ||
226 | /* Interface existance check by index. */ | |
227 | struct interface * | |
8736158a | 228 | if_lookup_by_index_vrf (unsigned int index, vrf_id_t vrf_id) |
718e3744 | 229 | { |
52dc7ee6 | 230 | struct listnode *node; |
718e3744 | 231 | struct interface *ifp; |
232 | ||
8736158a | 233 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 234 | { |
718e3744 | 235 | if (ifp->ifindex == index) |
236 | return ifp; | |
237 | } | |
238 | return NULL; | |
239 | } | |
240 | ||
8736158a FL |
241 | struct interface * |
242 | if_lookup_by_index (unsigned int index) | |
243 | { | |
244 | return if_lookup_by_index_vrf (index, VRF_DEFAULT); | |
245 | } | |
246 | ||
8cc4198f | 247 | const char * |
8736158a | 248 | ifindex2ifname_vrf (unsigned int index, vrf_id_t vrf_id) |
718e3744 | 249 | { |
718e3744 | 250 | struct interface *ifp; |
251 | ||
8736158a | 252 | return ((ifp = if_lookup_by_index_vrf (index, vrf_id)) != NULL) ? |
8cc4198f | 253 | ifp->name : "unknown"; |
d2fc8896 | 254 | } |
255 | ||
8736158a FL |
256 | const char * |
257 | ifindex2ifname (unsigned int index) | |
258 | { | |
259 | return ifindex2ifname_vrf (index, VRF_DEFAULT); | |
260 | } | |
261 | ||
d2fc8896 | 262 | unsigned int |
8736158a | 263 | ifname2ifindex_vrf (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 264 | { |
265 | struct interface *ifp; | |
266 | ||
8736158a | 267 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 268 | : IFINDEX_INTERNAL; |
718e3744 | 269 | } |
270 | ||
8736158a FL |
271 | unsigned int |
272 | ifname2ifindex (const char *name) | |
273 | { | |
274 | return ifname2ifindex_vrf (name, VRF_DEFAULT); | |
275 | } | |
276 | ||
718e3744 | 277 | /* Interface existance check by interface name. */ |
278 | struct interface * | |
8736158a | 279 | if_lookup_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 280 | { |
52dc7ee6 | 281 | struct listnode *node; |
718e3744 | 282 | struct interface *ifp; |
3e4ee959 PJ |
283 | |
284 | if (name) | |
8736158a | 285 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
286 | { |
287 | if (strcmp(name, ifp->name) == 0) | |
288 | return ifp; | |
289 | } | |
718e3744 | 290 | return NULL; |
291 | } | |
292 | ||
a349198f | 293 | struct interface * |
8736158a FL |
294 | if_lookup_by_name (const char *name) |
295 | { | |
296 | return if_lookup_by_name_vrf (name, VRF_DEFAULT); | |
297 | } | |
298 | ||
299 | struct interface * | |
300 | if_lookup_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id) | |
a349198f | 301 | { |
302 | struct listnode *node; | |
1eb8ef25 | 303 | struct interface *ifp; |
a349198f | 304 | |
305 | if (namelen > INTERFACE_NAMSIZ) | |
306 | return NULL; | |
307 | ||
8736158a | 308 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 309 | { |
a349198f | 310 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
311 | return ifp; | |
312 | } | |
313 | return NULL; | |
314 | } | |
315 | ||
8736158a FL |
316 | struct interface * |
317 | if_lookup_by_name_len(const char *name, size_t namelen) | |
318 | { | |
319 | return if_lookup_by_name_len_vrf (name, namelen, VRF_DEFAULT); | |
320 | } | |
321 | ||
718e3744 | 322 | /* Lookup interface by IPv4 address. */ |
323 | struct interface * | |
8736158a | 324 | if_lookup_exact_address_vrf (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 325 | { |
52dc7ee6 | 326 | struct listnode *node; |
327 | struct listnode *cnode; | |
718e3744 | 328 | struct interface *ifp; |
329 | struct prefix *p; | |
330 | struct connected *c; | |
331 | ||
8736158a | 332 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 333 | { |
1eb8ef25 | 334 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 335 | { |
718e3744 | 336 | p = c->address; |
337 | ||
0aabccc0 | 338 | if (p && (p->family == family)) |
718e3744 | 339 | { |
0aabccc0 DD |
340 | if (family == AF_INET) |
341 | { | |
342 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
343 | return ifp; | |
344 | } | |
345 | else if (family == AF_INET6) | |
346 | { | |
347 | if (IPV6_ADDR_SAME (&p->u.prefix4, (struct in6_addr *)src)) | |
348 | return ifp; | |
349 | } | |
350 | } | |
718e3744 | 351 | } |
352 | } | |
353 | return NULL; | |
354 | } | |
355 | ||
8736158a FL |
356 | struct interface * |
357 | if_lookup_exact_address (void *src, int family) | |
358 | { | |
359 | return if_lookup_exact_address_vrf (src, family, VRF_DEFAULT); | |
360 | } | |
361 | ||
718e3744 | 362 | /* Lookup interface by IPv4 address. */ |
363 | struct interface * | |
8736158a | 364 | if_lookup_address_vrf (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 365 | { |
52dc7ee6 | 366 | struct listnode *node; |
718e3744 | 367 | struct prefix addr; |
3fb9cd6e | 368 | int bestlen = 0; |
52dc7ee6 | 369 | struct listnode *cnode; |
718e3744 | 370 | struct interface *ifp; |
718e3744 | 371 | struct connected *c; |
372 | struct interface *match; | |
373 | ||
0aabccc0 DD |
374 | if (family == AF_INET) |
375 | { | |
376 | addr.family = AF_INET; | |
377 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
378 | addr.prefixlen = IPV4_MAX_BITLEN; | |
379 | } | |
380 | else if (family == AF_INET6) | |
381 | { | |
382 | addr.family = AF_INET6; | |
383 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
384 | addr.prefixlen = IPV6_MAX_BITLEN; | |
385 | } | |
718e3744 | 386 | |
387 | match = NULL; | |
388 | ||
8736158a | 389 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 390 | { |
1eb8ef25 | 391 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 392 | { |
e4529636 AS |
393 | if (c->address && (c->address->family == AF_INET) && |
394 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
395 | (c->address->prefixlen > bestlen)) | |
718e3744 | 396 | { |
e4529636 AS |
397 | bestlen = c->address->prefixlen; |
398 | match = ifp; | |
718e3744 | 399 | } |
400 | } | |
401 | } | |
402 | return match; | |
403 | } | |
404 | ||
8736158a FL |
405 | struct interface * |
406 | if_lookup_address (void *matchaddr, int family) | |
407 | { | |
408 | return if_lookup_address_vrf (matchaddr, family, VRF_DEFAULT); | |
409 | } | |
410 | ||
b81e97a8 DD |
411 | /* Lookup interface by prefix */ |
412 | struct interface * | |
8736158a | 413 | if_lookup_prefix_vrf (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
414 | { |
415 | struct listnode *node; | |
b81e97a8 DD |
416 | struct listnode *cnode; |
417 | struct interface *ifp; | |
418 | struct connected *c; | |
419 | ||
8736158a | 420 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
421 | { |
422 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
423 | { | |
424 | if (prefix_cmp(c->address, prefix) == 0) | |
425 | { | |
426 | return ifp; | |
427 | } | |
428 | } | |
429 | } | |
430 | return NULL; | |
431 | } | |
432 | ||
8736158a FL |
433 | struct interface * |
434 | if_lookup_prefix (struct prefix *prefix) | |
435 | { | |
436 | return if_lookup_prefix_vrf (prefix, VRF_DEFAULT); | |
437 | } | |
438 | ||
718e3744 | 439 | /* Get interface by name if given name interface doesn't exist create |
440 | one. */ | |
441 | struct interface * | |
8736158a | 442 | if_get_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 443 | { |
444 | struct interface *ifp; | |
445 | ||
8736158a FL |
446 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp : |
447 | if_create_vrf (name, strlen(name), vrf_id); | |
a349198f | 448 | } |
449 | ||
450 | struct interface * | |
8736158a FL |
451 | if_get_by_name (const char *name) |
452 | { | |
453 | return if_get_by_name_vrf (name, VRF_DEFAULT); | |
454 | } | |
455 | ||
456 | struct interface * | |
457 | if_get_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id) | |
a349198f | 458 | { |
459 | struct interface *ifp; | |
460 | ||
8736158a FL |
461 | return ((ifp = if_lookup_by_name_len_vrf (name, namelen, vrf_id)) != NULL) ? \ |
462 | ifp : if_create_vrf (name, namelen, vrf_id); | |
463 | } | |
464 | ||
465 | struct interface * | |
466 | if_get_by_name_len (const char *name, size_t namelen) | |
467 | { | |
468 | return if_get_by_name_len_vrf (name, namelen, VRF_DEFAULT); | |
718e3744 | 469 | } |
470 | ||
471 | /* Does interface up ? */ | |
472 | int | |
473 | if_is_up (struct interface *ifp) | |
474 | { | |
475 | return ifp->flags & IFF_UP; | |
476 | } | |
477 | ||
2e3b2e47 | 478 | /* Is interface running? */ |
479 | int | |
480 | if_is_running (struct interface *ifp) | |
481 | { | |
482 | return ifp->flags & IFF_RUNNING; | |
483 | } | |
484 | ||
485 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
486 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
487 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 488 | int |
489 | if_is_operative (struct interface *ifp) | |
490 | { | |
491 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
492 | (((ifp->flags & IFF_RUNNING) && |
493 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
494 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
495 | } | |
496 | ||
497 | /* Is the interface operative, eg. either UP & RUNNING | |
498 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
499 | int | |
500 | if_is_no_ptm_operative (struct interface *ifp) | |
501 | { | |
502 | return ((ifp->flags & IFF_UP) && | |
503 | ((ifp->flags & IFF_RUNNING) || | |
504 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 505 | } |
506 | ||
718e3744 | 507 | /* Is this loopback interface ? */ |
508 | int | |
509 | if_is_loopback (struct interface *ifp) | |
510 | { | |
4ba9b924 | 511 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
512 | * but Y on platform N? | |
513 | */ | |
514 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 515 | } |
516 | ||
517 | /* Does this interface support broadcast ? */ | |
518 | int | |
519 | if_is_broadcast (struct interface *ifp) | |
520 | { | |
521 | return ifp->flags & IFF_BROADCAST; | |
522 | } | |
523 | ||
524 | /* Does this interface support broadcast ? */ | |
525 | int | |
526 | if_is_pointopoint (struct interface *ifp) | |
527 | { | |
528 | return ifp->flags & IFF_POINTOPOINT; | |
529 | } | |
530 | ||
531 | /* Does this interface support multicast ? */ | |
532 | int | |
533 | if_is_multicast (struct interface *ifp) | |
534 | { | |
535 | return ifp->flags & IFF_MULTICAST; | |
536 | } | |
537 | ||
538 | /* Printout flag information into log */ | |
539 | const char * | |
540 | if_flag_dump (unsigned long flag) | |
541 | { | |
542 | int separator = 0; | |
543 | static char logbuf[BUFSIZ]; | |
544 | ||
545 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 546 | if (flag & (X)) \ |
718e3744 | 547 | { \ |
548 | if (separator) \ | |
549 | strlcat (logbuf, ",", BUFSIZ); \ | |
550 | else \ | |
551 | separator = 1; \ | |
552 | strlcat (logbuf, STR, BUFSIZ); \ | |
553 | } | |
554 | ||
630c97ce | 555 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 556 | IFF_OUT_LOG (IFF_UP, "UP"); |
557 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
558 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
559 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
560 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
561 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
562 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
563 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
564 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
565 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
566 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
567 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
568 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
569 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
570 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
571 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 572 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
573 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
574 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
575 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
576 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 577 | |
578 | strlcat (logbuf, ">", BUFSIZ); | |
579 | ||
580 | return logbuf; | |
630c97ce | 581 | #undef IFF_OUT_LOG |
718e3744 | 582 | } |
583 | ||
584 | /* For debugging */ | |
8cc4198f | 585 | static void |
cedd7f2f | 586 | if_dump (const struct interface *ifp) |
718e3744 | 587 | { |
3968dbf8 | 588 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
4a7aac1b | 589 | #ifdef HAVE_IPV6 |
23be94ea | 590 | "mtu6 %d " |
4a7aac1b | 591 | #endif /* HAVE_IPV6 */ |
23be94ea | 592 | "%s", |
3968dbf8 | 593 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
4a7aac1b | 594 | #ifdef HAVE_IPV6 |
23be94ea | 595 | ifp->mtu6, |
4a7aac1b | 596 | #endif /* HAVE_IPV6 */ |
23be94ea | 597 | if_flag_dump (ifp->flags)); |
718e3744 | 598 | } |
599 | ||
600 | /* Interface printing for all interface. */ | |
601 | void | |
66e5cd87 | 602 | if_dump_all (void) |
718e3744 | 603 | { |
8736158a | 604 | struct list *intf_list; |
52dc7ee6 | 605 | struct listnode *node; |
1eb8ef25 | 606 | void *p; |
8736158a | 607 | vrf_iter_t iter; |
718e3744 | 608 | |
8736158a FL |
609 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
610 | if ((intf_list = vrf_iter2iflist (iter)) != NULL) | |
611 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, p)) | |
612 | if_dump (p); | |
718e3744 | 613 | } |
614 | ||
615 | DEFUN (interface_desc, | |
616 | interface_desc_cmd, | |
617 | "description .LINE", | |
618 | "Interface specific description\n" | |
619 | "Characters describing this interface\n") | |
620 | { | |
718e3744 | 621 | struct interface *ifp; |
718e3744 | 622 | |
623 | if (argc == 0) | |
624 | return CMD_SUCCESS; | |
625 | ||
626 | ifp = vty->index; | |
627 | if (ifp->desc) | |
3b8b1855 | 628 | XFREE (MTYPE_TMP, ifp->desc); |
629 | ifp->desc = argv_concat(argv, argc, 0); | |
718e3744 | 630 | |
631 | return CMD_SUCCESS; | |
632 | } | |
633 | ||
634 | DEFUN (no_interface_desc, | |
635 | no_interface_desc_cmd, | |
636 | "no description", | |
637 | NO_STR | |
638 | "Interface specific description\n") | |
639 | { | |
640 | struct interface *ifp; | |
641 | ||
642 | ifp = vty->index; | |
643 | if (ifp->desc) | |
0241684e | 644 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 645 | ifp->desc = NULL; |
646 | ||
647 | return CMD_SUCCESS; | |
648 | } | |
6b0655a2 | 649 | |
98954844 PJ |
650 | #ifdef SUNOS_5 |
651 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
652 | * a seperate struct interface for each logical interface, so config | |
653 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
654 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
655 | * interfaces can be fruitless, for that reason Quagga only tracks | |
656 | * the primary IP interface. | |
657 | * | |
658 | * We try accomodate SUNWzebra by: | |
659 | * - looking up the interface name, to see whether it exists, if so | |
660 | * its useable | |
661 | * - for protocol daemons, this could only because zebra told us of | |
662 | * the interface | |
663 | * - for zebra, only because it learnt from kernel | |
664 | * - if not: | |
665 | * - search the name to see if it contains a sub-ipif / logical interface | |
666 | * seperator, the ':' char. If it does: | |
667 | * - text up to that char must be the primary name - get that name. | |
668 | * if not: | |
669 | * - no idea, just get the name in its entirety. | |
670 | */ | |
671 | static struct interface * | |
8736158a | 672 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
673 | { |
674 | struct interface *ifp; | |
675 | size_t seppos = 0; | |
718e3744 | 676 | |
8736158a | 677 | if ( (ifp = if_lookup_by_name_len_vrf (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
678 | return ifp; |
679 | ||
680 | /* hunt the primary interface name... */ | |
681 | while (seppos < nlen && name[seppos] != ':') | |
682 | seppos++; | |
683 | ||
684 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
685 | if (seppos < nlen) | |
8736158a | 686 | return if_get_by_name_len_vrf (name, seppos, vrf_id); |
98954844 | 687 | else |
8736158a | 688 | return if_get_by_name_len_vrf (name, nlen, vrf_id); |
98954844 PJ |
689 | } |
690 | #endif /* SUNOS_5 */ | |
6b0655a2 | 691 | |
718e3744 | 692 | DEFUN (interface, |
693 | interface_cmd, | |
694 | "interface IFNAME", | |
695 | "Select an interface to configure\n" | |
696 | "Interface's name\n") | |
697 | { | |
698 | struct interface *ifp; | |
d2fc8896 | 699 | size_t sl; |
8736158a | 700 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 701 | |
702 | if ((sl = strlen(argv[0])) > INTERFACE_NAMSIZ) | |
703 | { | |
704 | vty_out (vty, "%% Interface name %s is invalid: length exceeds " | |
705 | "%d characters%s", | |
706 | argv[0], INTERFACE_NAMSIZ, VTY_NEWLINE); | |
707 | return CMD_WARNING; | |
708 | } | |
718e3744 | 709 | |
f93e3f69 DS |
710 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
711 | Imagine forward reference of a vrf by name in this interface config */ | |
cd2a8a42 | 712 | if (argc > 1) |
f93e3f69 | 713 | VRF_GET_ID (vrf_id, argv[1]); |
cd2a8a42 | 714 | |
98954844 | 715 | #ifdef SUNOS_5 |
8736158a | 716 | ifp = if_sunwzebra_get (argv[0], sl, vrf_id); |
98954844 | 717 | #else |
8736158a | 718 | ifp = if_get_by_name_len_vrf (argv[0], sl, vrf_id); |
98954844 | 719 | #endif /* SUNOS_5 */ |
718e3744 | 720 | |
718e3744 | 721 | vty->index = ifp; |
722 | vty->node = INTERFACE_NODE; | |
723 | ||
724 | return CMD_SUCCESS; | |
725 | } | |
726 | ||
cd2a8a42 FL |
727 | ALIAS (interface, |
728 | interface_vrf_cmd, | |
729 | "interface IFNAME " VRF_CMD_STR, | |
730 | "Select an interface to configure\n" | |
731 | "Interface's name\n" | |
732 | VRF_CMD_HELP_STR) | |
733 | ||
32d2463c | 734 | DEFUN_NOSH (no_interface, |
735 | no_interface_cmd, | |
736 | "no interface IFNAME", | |
737 | NO_STR | |
738 | "Delete a pseudo interface's configuration\n" | |
739 | "Interface's name\n") | |
740 | { | |
741 | // deleting interface | |
742 | struct interface *ifp; | |
8736158a | 743 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 744 | |
cd2a8a42 | 745 | if (argc > 1) |
f93e3f69 | 746 | VRF_GET_ID (vrf_id, argv[1]); |
cd2a8a42 | 747 | |
8736158a | 748 | ifp = if_lookup_by_name_vrf (argv[0], vrf_id); |
32d2463c | 749 | |
750 | if (ifp == NULL) | |
d2fc8896 | 751 | { |
752 | vty_out (vty, "%% Interface %s does not exist%s", argv[0], VTY_NEWLINE); | |
753 | return CMD_WARNING; | |
754 | } | |
32d2463c | 755 | |
bfc13532 | 756 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 757 | { |
758 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
759 | VTY_NEWLINE); | |
760 | return CMD_WARNING; | |
761 | } | |
32d2463c | 762 | |
763 | if_delete(ifp); | |
764 | ||
765 | return CMD_SUCCESS; | |
766 | } | |
767 | ||
cd2a8a42 FL |
768 | ALIAS (no_interface, |
769 | no_interface_vrf_cmd, | |
770 | "no interface IFNAME " VRF_CMD_STR, | |
771 | NO_STR | |
772 | "Delete a pseudo interface's configuration\n" | |
773 | "Interface's name\n" | |
774 | VRF_CMD_HELP_STR) | |
775 | ||
f93e3f69 DS |
776 | DEFUN (vrf, |
777 | vrf_cmd, | |
778 | "vrf NAME", | |
779 | "Select a VRF to configure\n" | |
780 | "VRF's name\n") | |
781 | { | |
782 | struct vrf *vrfp; | |
783 | size_t sl; | |
784 | ||
785 | if ((sl = strlen(argv[0])) > VRF_NAMSIZ) | |
786 | { | |
787 | vty_out (vty, "%% VRF name %s is invalid: length exceeds " | |
788 | "%d characters%s", | |
789 | argv[0], VRF_NAMSIZ, VTY_NEWLINE); | |
790 | return CMD_WARNING; | |
791 | } | |
792 | ||
793 | vrfp = vrf_get_by_name_len (argv[0], sl); | |
794 | ||
795 | vty->index = vrfp; | |
796 | vty->node = VRF_NODE; | |
797 | ||
798 | return CMD_SUCCESS; | |
799 | } | |
800 | ||
801 | DEFUN_NOSH (no_vrf, | |
802 | no_vrf_cmd, | |
803 | "no vrf NAME", | |
804 | NO_STR | |
805 | "Delete a pseudo VRF's configuration\n" | |
806 | "VRF's name\n") | |
807 | { | |
808 | struct vrf *vrfp; | |
809 | ||
810 | vrfp = vrf_list_lookup_by_name (argv[0]); | |
811 | ||
812 | if (vrfp == NULL) | |
813 | { | |
814 | vty_out (vty, "%% VRF %s does not exist%s", argv[0], VTY_NEWLINE); | |
815 | return CMD_WARNING; | |
816 | } | |
817 | ||
818 | if (CHECK_FLAG (vrfp->status, ZEBRA_VRF_ACTIVE)) | |
819 | { | |
820 | vty_out (vty, "%% Only inactive VRFs can be deleted%s", | |
821 | VTY_NEWLINE); | |
822 | return CMD_WARNING; | |
823 | } | |
824 | ||
825 | vrf_delete(vrfp); | |
826 | ||
827 | return CMD_SUCCESS; | |
828 | } | |
829 | ||
830 | ||
718e3744 | 831 | /* For debug purpose. */ |
832 | DEFUN (show_address, | |
833 | show_address_cmd, | |
834 | "show address", | |
835 | SHOW_STR | |
836 | "address\n") | |
837 | { | |
52dc7ee6 | 838 | struct listnode *node; |
839 | struct listnode *node2; | |
718e3744 | 840 | struct interface *ifp; |
841 | struct connected *ifc; | |
842 | struct prefix *p; | |
8736158a | 843 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 844 | |
8736158a | 845 | if (argc > 0) |
f93e3f69 | 846 | VRF_GET_ID (vrf_id, argv[0]); |
8736158a FL |
847 | |
848 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 849 | { |
1eb8ef25 | 850 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 851 | { |
718e3744 | 852 | p = ifc->address; |
853 | ||
854 | if (p->family == AF_INET) | |
855 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
856 | VTY_NEWLINE); | |
857 | } | |
858 | } | |
859 | return CMD_SUCCESS; | |
860 | } | |
861 | ||
8736158a FL |
862 | ALIAS (show_address, |
863 | show_address_vrf_cmd, | |
864 | "show address " VRF_CMD_STR, | |
865 | SHOW_STR | |
866 | "address\n" | |
867 | VRF_CMD_HELP_STR) | |
868 | ||
869 | DEFUN (show_address_vrf_all, | |
870 | show_address_vrf_all_cmd, | |
871 | "show address " VRF_ALL_CMD_STR, | |
872 | SHOW_STR | |
873 | "address\n" | |
874 | VRF_ALL_CMD_HELP_STR) | |
875 | { | |
876 | struct list *intf_list; | |
877 | struct listnode *node; | |
878 | struct listnode *node2; | |
879 | struct interface *ifp; | |
880 | struct connected *ifc; | |
881 | struct prefix *p; | |
882 | vrf_iter_t iter; | |
883 | ||
884 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
885 | { | |
886 | intf_list = vrf_iter2iflist (iter); | |
887 | if (!intf_list || !listcount (intf_list)) | |
888 | continue; | |
889 | ||
890 | vty_out (vty, "%sVRF %u%s%s", VTY_NEWLINE, vrf_iter2id (iter), | |
891 | VTY_NEWLINE, VTY_NEWLINE); | |
892 | ||
893 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, ifp)) | |
894 | { | |
895 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
896 | { | |
897 | p = ifc->address; | |
898 | ||
899 | if (p->family == AF_INET) | |
900 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
901 | VTY_NEWLINE); | |
902 | } | |
903 | } | |
904 | } | |
905 | return CMD_SUCCESS; | |
906 | } | |
907 | ||
718e3744 | 908 | /* Allocate connected structure. */ |
909 | struct connected * | |
8cc4198f | 910 | connected_new (void) |
718e3744 | 911 | { |
393deb9b | 912 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 913 | } |
914 | ||
a80beece DS |
915 | /* Allocate nbr connected structure. */ |
916 | struct nbr_connected * | |
917 | nbr_connected_new (void) | |
918 | { | |
919 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
920 | } | |
921 | ||
718e3744 | 922 | /* Free connected structure. */ |
923 | void | |
924 | connected_free (struct connected *connected) | |
925 | { | |
926 | if (connected->address) | |
927 | prefix_free (connected->address); | |
928 | ||
929 | if (connected->destination) | |
930 | prefix_free (connected->destination); | |
931 | ||
932 | if (connected->label) | |
9c4f1c6f | 933 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 934 | |
935 | XFREE (MTYPE_CONNECTED, connected); | |
936 | } | |
937 | ||
a80beece DS |
938 | /* Free nbr connected structure. */ |
939 | void | |
940 | nbr_connected_free (struct nbr_connected *connected) | |
941 | { | |
942 | if (connected->address) | |
943 | prefix_free (connected->address); | |
944 | ||
945 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
946 | } | |
947 | ||
948 | /* If same interface nbr address already exists... */ | |
949 | struct nbr_connected * | |
950 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
951 | { | |
952 | struct nbr_connected *ifc; | |
953 | struct listnode *node; | |
954 | ||
955 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
956 | if (prefix_same (ifc->address, p)) | |
957 | return ifc; | |
958 | ||
959 | return NULL; | |
960 | } | |
961 | ||
718e3744 | 962 | /* Print if_addr structure. */ |
8cc4198f | 963 | static void __attribute__ ((unused)) |
718e3744 | 964 | connected_log (struct connected *connected, char *str) |
965 | { | |
966 | struct prefix *p; | |
967 | struct interface *ifp; | |
968 | char logbuf[BUFSIZ]; | |
969 | char buf[BUFSIZ]; | |
970 | ||
971 | ifp = connected->ifp; | |
972 | p = connected->address; | |
973 | ||
3968dbf8 FL |
974 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
975 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 976 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
977 | p->prefixlen); | |
978 | ||
979 | p = connected->destination; | |
980 | if (p) | |
981 | { | |
982 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
983 | BUFSIZ - strlen(logbuf)); | |
984 | } | |
fc95186c | 985 | zlog (NULL, LOG_INFO, "%s", logbuf); |
718e3744 | 986 | } |
987 | ||
a80beece DS |
988 | /* Print if_addr structure. */ |
989 | static void __attribute__ ((unused)) | |
990 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
991 | { | |
992 | struct prefix *p; | |
993 | struct interface *ifp; | |
994 | char logbuf[BUFSIZ]; | |
995 | char buf[BUFSIZ]; | |
996 | ||
997 | ifp = connected->ifp; | |
998 | p = connected->address; | |
999 | ||
1000 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
1001 | str, ifp->name, prefix_family_str (p), | |
1002 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1003 | p->prefixlen); | |
1004 | ||
1005 | zlog (NULL, LOG_INFO, "%s", logbuf); | |
1006 | } | |
1007 | ||
718e3744 | 1008 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 1009 | static int |
718e3744 | 1010 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
1011 | { | |
1012 | if (p1->family == p2->family) | |
1013 | { | |
1014 | if (p1->family == AF_INET && | |
1015 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
1016 | return 1; | |
1017 | #ifdef HAVE_IPV6 | |
1018 | if (p1->family == AF_INET6 && | |
1019 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
1020 | return 1; | |
1021 | #endif /* HAVE_IPV6 */ | |
1022 | } | |
1023 | return 0; | |
1024 | } | |
1025 | ||
1026 | struct connected * | |
1027 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
1028 | { | |
1029 | struct listnode *node; | |
1030 | struct listnode *next; | |
1031 | struct connected *ifc; | |
1032 | ||
1033 | /* In case of same prefix come, replace it with new one. */ | |
1034 | for (node = listhead (ifp->connected); node; node = next) | |
1035 | { | |
1eb8ef25 | 1036 | ifc = listgetdata (node); |
718e3744 | 1037 | next = node->next; |
1038 | ||
1039 | if (connected_same_prefix (ifc->address, p)) | |
1040 | { | |
1041 | listnode_delete (ifp->connected, ifc); | |
1042 | return ifc; | |
1043 | } | |
1044 | } | |
1045 | return NULL; | |
1046 | } | |
1047 | ||
727d104b | 1048 | /* Find the IPv4 address on our side that will be used when packets |
1049 | are sent to dst. */ | |
1050 | struct connected * | |
1051 | connected_lookup_address (struct interface *ifp, struct in_addr dst) | |
1052 | { | |
1053 | struct prefix addr; | |
52dc7ee6 | 1054 | struct listnode *cnode; |
727d104b | 1055 | struct connected *c; |
1056 | struct connected *match; | |
1057 | ||
727d104b | 1058 | addr.family = AF_INET; |
1059 | addr.u.prefix4 = dst; | |
1060 | addr.prefixlen = IPV4_MAX_BITLEN; | |
1061 | ||
1062 | match = NULL; | |
1063 | ||
1eb8ef25 | 1064 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1065 | { |
e4529636 AS |
1066 | if (c->address && (c->address->family == AF_INET) && |
1067 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
1068 | (!match || (c->address->prefixlen > match->address->prefixlen))) | |
1069 | match = c; | |
727d104b | 1070 | } |
1071 | return match; | |
1072 | } | |
1073 | ||
4a7aac1b | 1074 | struct connected * |
1075 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1076 | struct prefix *destination) | |
1077 | { | |
1078 | struct connected *ifc; | |
1079 | ||
1080 | /* Allocate new connected address. */ | |
1081 | ifc = connected_new (); | |
1082 | ifc->ifp = ifp; | |
1083 | ||
1084 | /* Fetch interface address */ | |
1085 | ifc->address = prefix_new(); | |
1086 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1087 | ||
1088 | /* Fetch dest address */ | |
3fb9cd6e | 1089 | if (destination) |
1090 | { | |
1091 | ifc->destination = prefix_new(); | |
1092 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1093 | } | |
4a7aac1b | 1094 | |
1095 | /* Add connected address to the interface. */ | |
1096 | listnode_add (ifp->connected, ifc); | |
1097 | return ifc; | |
1098 | } | |
1099 | ||
718e3744 | 1100 | #ifndef HAVE_IF_NAMETOINDEX |
1101 | unsigned int | |
1102 | if_nametoindex (const char *name) | |
1103 | { | |
718e3744 | 1104 | struct interface *ifp; |
1105 | ||
018546e9 | 1106 | return ((ifp = if_lookup_by_name_len(name, strnlen(name, IFNAMSIZ))) != NULL) |
1107 | ? ifp->ifindex : 0; | |
718e3744 | 1108 | } |
1109 | #endif | |
1110 | ||
1111 | #ifndef HAVE_IF_INDEXTONAME | |
1112 | char * | |
1113 | if_indextoname (unsigned int ifindex, char *name) | |
1114 | { | |
718e3744 | 1115 | struct interface *ifp; |
1116 | ||
d2fc8896 | 1117 | if (!(ifp = if_lookup_by_index(ifindex))) |
1118 | return NULL; | |
1119 | strncpy (name, ifp->name, IFNAMSIZ); | |
1120 | return ifp->name; | |
718e3744 | 1121 | } |
1122 | #endif | |
6b0655a2 | 1123 | |
8cc4198f | 1124 | #if 0 /* this route_table of struct connected's is unused |
1125 | * however, it would be good to use a route_table rather than | |
1126 | * a list.. | |
1127 | */ | |
718e3744 | 1128 | /* Interface looking up by interface's address. */ |
718e3744 | 1129 | /* Interface's IPv4 address reverse lookup table. */ |
1130 | struct route_table *ifaddr_ipv4_table; | |
1131 | /* struct route_table *ifaddr_ipv6_table; */ | |
1132 | ||
8cc4198f | 1133 | static void |
718e3744 | 1134 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1135 | { | |
1136 | struct route_node *rn; | |
1137 | struct prefix_ipv4 p; | |
1138 | ||
1139 | p.family = AF_INET; | |
1140 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1141 | p.prefix = *ifaddr; | |
1142 | ||
1143 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1144 | if (rn) | |
1145 | { | |
1146 | route_unlock_node (rn); | |
1147 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1148 | inet_ntoa (*ifaddr)); | |
1149 | return; | |
1150 | } | |
1151 | rn->info = ifp; | |
1152 | } | |
1153 | ||
8cc4198f | 1154 | static void |
718e3744 | 1155 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1156 | { | |
1157 | struct route_node *rn; | |
1158 | struct prefix_ipv4 p; | |
1159 | ||
1160 | p.family = AF_INET; | |
1161 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1162 | p.prefix = *ifaddr; | |
1163 | ||
1164 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1165 | if (! rn) | |
1166 | { | |
1167 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1168 | inet_ntoa (*ifaddr)); | |
1169 | return; | |
1170 | } | |
1171 | rn->info = NULL; | |
1172 | route_unlock_node (rn); | |
1173 | route_unlock_node (rn); | |
1174 | } | |
1175 | ||
1176 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1177 | static struct interface * |
718e3744 | 1178 | ifaddr_ipv4_lookup (struct in_addr *addr, unsigned int ifindex) |
1179 | { | |
1180 | struct prefix_ipv4 p; | |
1181 | struct route_node *rn; | |
1182 | struct interface *ifp; | |
718e3744 | 1183 | |
1184 | if (addr) | |
1185 | { | |
1186 | p.family = AF_INET; | |
1187 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1188 | p.prefix = *addr; | |
1189 | ||
1190 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1191 | if (! rn) | |
1192 | return NULL; | |
1193 | ||
1194 | ifp = rn->info; | |
1195 | route_unlock_node (rn); | |
1196 | return ifp; | |
1197 | } | |
1198 | else | |
d2fc8896 | 1199 | return if_lookup_by_index(ifindex); |
718e3744 | 1200 | } |
8cc4198f | 1201 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1202 | |
1203 | /* Initialize interface list. */ | |
1204 | void | |
8736158a | 1205 | if_init (vrf_id_t vrf_id, struct list **intf_list) |
718e3744 | 1206 | { |
8736158a | 1207 | *intf_list = list_new (); |
8cc4198f | 1208 | #if 0 |
718e3744 | 1209 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1210 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1211 | |
8736158a | 1212 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
718e3744 | 1213 | |
8736158a FL |
1214 | if (vrf_id == VRF_DEFAULT) |
1215 | iflist = *intf_list; | |
718e3744 | 1216 | } |
4bd045d5 TG |
1217 | |
1218 | void | |
8736158a | 1219 | if_terminate (vrf_id_t vrf_id, struct list **intf_list) |
4bd045d5 TG |
1220 | { |
1221 | for (;;) | |
1222 | { | |
1223 | struct interface *ifp; | |
1224 | ||
8736158a | 1225 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1226 | if (ifp == NULL) |
1227 | break; | |
1228 | ||
1229 | if_delete (ifp); | |
1230 | } | |
1231 | ||
8736158a FL |
1232 | list_delete (*intf_list); |
1233 | *intf_list = NULL; | |
1234 | ||
1235 | if (vrf_id == VRF_DEFAULT) | |
1236 | iflist = NULL; | |
4bd045d5 | 1237 | } |