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Commit | Line | Data |
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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" | |
718e3744 | 37 | #include "log.h" |
6b0655a2 | 38 | |
4a1ab8e4 DL |
39 | DEFINE_MTYPE( LIB, IF, "Interface") |
40 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") | |
41 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
42 | DEFINE_MTYPE( LIB, CONNECTED_LABEL, "Connected interface label") | |
43 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
44 | ||
e80e7cce DL |
45 | DEFINE_QOBJ_TYPE(interface) |
46 | ||
8736158a | 47 | /* List of interfaces in only the default VRF */ |
244c1cdc | 48 | int ptm_enable = 0; |
718e3744 | 49 | |
50 | /* One for each program. This structure is needed to store hooks. */ | |
51 | struct if_master | |
52 | { | |
53 | int (*if_new_hook) (struct interface *); | |
54 | int (*if_delete_hook) (struct interface *); | |
8736158a | 55 | } if_master = {0,}; |
6b0655a2 | 56 | |
3a0391a9 | 57 | /* Compare interface names, returning an integer greater than, equal to, or |
58 | * less than 0, (following the strcmp convention), according to the | |
59 | * relationship between ifp1 and ifp2. Interface names consist of an | |
60 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
61 | * lexicographic by name, and then numeric by number. No number sorts | |
62 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
63 | * devpty0, de0 < del0 | |
64 | */ | |
106d2fd5 | 65 | int |
974fc9d2 | 66 | if_cmp_name_func (char *p1, char *p2) |
106d2fd5 | 67 | { |
68 | unsigned int l1, l2; | |
69 | long int x1, x2; | |
106d2fd5 | 70 | int res; |
71 | ||
90578521 | 72 | while (*p1 && *p2) { |
106d2fd5 | 73 | /* look up to any number */ |
74 | l1 = strcspn(p1, "0123456789"); | |
75 | l2 = strcspn(p2, "0123456789"); | |
76 | ||
77 | /* name lengths are different -> compare names */ | |
78 | if (l1 != l2) | |
79 | return (strcmp(p1, p2)); | |
80 | ||
3a0391a9 | 81 | /* Note that this relies on all numbers being less than all letters, so |
82 | * that de0 < del0. | |
83 | */ | |
106d2fd5 | 84 | res = strncmp(p1, p2, l1); |
85 | ||
86 | /* names are different -> compare them */ | |
87 | if (res) | |
88 | return res; | |
89 | ||
90 | /* with identical name part, go to numeric part */ | |
106d2fd5 | 91 | p1 += l1; |
92 | p2 += l1; | |
93 | ||
b06c14f2 | 94 | if (!*p1) |
95 | return -1; | |
96 | if (!*p2) | |
97 | return 1; | |
98 | ||
106d2fd5 | 99 | x1 = strtol(p1, &p1, 10); |
100 | x2 = strtol(p2, &p2, 10); | |
101 | ||
102 | /* let's compare numbers now */ | |
103 | if (x1 < x2) | |
104 | return -1; | |
105 | if (x1 > x2) | |
106 | return 1; | |
107 | ||
108 | /* numbers were equal, lets do it again.. | |
109 | (it happens with name like "eth123.456:789") */ | |
110 | } | |
90578521 | 111 | if (*p1) |
112 | return 1; | |
113 | if (*p2) | |
114 | return -1; | |
115 | return 0; | |
106d2fd5 | 116 | } |
117 | ||
974fc9d2 DS |
118 | static int |
119 | if_cmp_func (struct interface *ifp1, struct interface *ifp2) | |
120 | { | |
121 | return if_cmp_name_func (ifp1->name, ifp2->name); | |
122 | } | |
123 | ||
718e3744 | 124 | /* Create new interface structure. */ |
718e3744 | 125 | struct interface * |
8736158a | 126 | if_create_vrf (const char *name, int namelen, vrf_id_t vrf_id) |
718e3744 | 127 | { |
128 | struct interface *ifp; | |
8736158a | 129 | struct list *intf_list = vrf_iflist_get (vrf_id); |
718e3744 | 130 | |
d2fc8896 | 131 | ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); |
132 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 133 | |
106d2fd5 | 134 | assert (name); |
d2fc8896 | 135 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ |
106d2fd5 | 136 | strncpy (ifp->name, name, namelen); |
d2fc8896 | 137 | ifp->name[namelen] = '\0'; |
8736158a FL |
138 | ifp->vrf_id = vrf_id; |
139 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
140 | listnode_add_sort (intf_list, ifp); | |
d2fc8896 | 141 | else |
142 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
8736158a | 143 | "name exists already in VRF %u!", ifp->name, vrf_id); |
718e3744 | 144 | ifp->connected = list_new (); |
145 | ifp->connected->del = (void (*) (void *)) connected_free; | |
146 | ||
a80beece DS |
147 | ifp->nbr_connected = list_new (); |
148 | ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; | |
149 | ||
c9506a0a DS |
150 | /* Enable Link-detection by default */ |
151 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
152 | ||
e80e7cce DL |
153 | QOBJ_REG (ifp, interface); |
154 | ||
718e3744 | 155 | if (if_master.if_new_hook) |
156 | (*if_master.if_new_hook) (ifp); | |
157 | ||
158 | return ifp; | |
159 | } | |
160 | ||
8736158a FL |
161 | struct interface * |
162 | if_create (const char *name, int namelen) | |
163 | { | |
164 | return if_create_vrf (name, namelen, VRF_DEFAULT); | |
165 | } | |
166 | ||
f93e3f69 DS |
167 | /* Create new interface structure. */ |
168 | void | |
169 | if_update_vrf (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) | |
170 | { | |
171 | struct list *intf_list = vrf_iflist_get (vrf_id); | |
172 | ||
173 | /* remove interface from old master vrf list */ | |
174 | if (vrf_iflist (ifp->vrf_id)) | |
175 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); | |
176 | ||
177 | assert (name); | |
178 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ | |
179 | strncpy (ifp->name, name, namelen); | |
180 | ifp->name[namelen] = '\0'; | |
181 | ifp->vrf_id = vrf_id; | |
182 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
183 | listnode_add_sort (intf_list, ifp); | |
184 | else | |
185 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
186 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
187 | ||
188 | return; | |
189 | } | |
190 | ||
191 | ||
d2fc8896 | 192 | /* Delete interface structure. */ |
718e3744 | 193 | void |
d2fc8896 | 194 | if_delete_retain (struct interface *ifp) |
718e3744 | 195 | { |
718e3744 | 196 | if (if_master.if_delete_hook) |
197 | (*if_master.if_delete_hook) (ifp); | |
198 | ||
e80e7cce DL |
199 | QOBJ_UNREG (ifp); |
200 | ||
718e3744 | 201 | /* Free connected address list */ |
2dd04c5d | 202 | list_delete_all_node (ifp->connected); |
a80beece DS |
203 | |
204 | /* Free connected nbr address list */ | |
205 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 206 | } |
207 | ||
208 | /* Delete and free interface structure. */ | |
209 | void | |
210 | if_delete (struct interface *ifp) | |
211 | { | |
8736158a | 212 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 213 | |
214 | if_delete_retain(ifp); | |
718e3744 | 215 | |
2dd04c5d | 216 | list_free (ifp->connected); |
a80beece | 217 | list_free (ifp->nbr_connected); |
2dd04c5d | 218 | |
16f1b9ee OD |
219 | if_link_params_free (ifp); |
220 | ||
718e3744 | 221 | XFREE (MTYPE_IF, ifp); |
222 | } | |
223 | ||
224 | /* Add hook to interface master. */ | |
225 | void | |
226 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
227 | { | |
228 | switch (type) { | |
229 | case IF_NEW_HOOK: | |
230 | if_master.if_new_hook = func; | |
231 | break; | |
232 | case IF_DELETE_HOOK: | |
233 | if_master.if_delete_hook = func; | |
234 | break; | |
235 | default: | |
236 | break; | |
237 | } | |
238 | } | |
239 | ||
240 | /* Interface existance check by index. */ | |
241 | struct interface * | |
b892f1dd | 242 | if_lookup_by_index_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 243 | { |
52dc7ee6 | 244 | struct listnode *node; |
718e3744 | 245 | struct interface *ifp; |
246 | ||
8736158a | 247 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 248 | { |
b892f1dd | 249 | if (ifp->ifindex == ifindex) |
718e3744 | 250 | return ifp; |
251 | } | |
252 | return NULL; | |
253 | } | |
254 | ||
8736158a | 255 | struct interface * |
b892f1dd | 256 | if_lookup_by_index (ifindex_t ifindex) |
8736158a | 257 | { |
b892f1dd | 258 | return if_lookup_by_index_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
259 | } |
260 | ||
8cc4198f | 261 | const char * |
b892f1dd | 262 | ifindex2ifname_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 263 | { |
718e3744 | 264 | struct interface *ifp; |
265 | ||
b892f1dd | 266 | return ((ifp = if_lookup_by_index_vrf (ifindex, vrf_id)) != NULL) ? |
8cc4198f | 267 | ifp->name : "unknown"; |
d2fc8896 | 268 | } |
269 | ||
8736158a | 270 | const char * |
b892f1dd | 271 | ifindex2ifname (ifindex_t ifindex) |
8736158a | 272 | { |
b892f1dd | 273 | return ifindex2ifname_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
274 | } |
275 | ||
b892f1dd | 276 | ifindex_t |
8736158a | 277 | ifname2ifindex_vrf (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 278 | { |
279 | struct interface *ifp; | |
280 | ||
8736158a | 281 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 282 | : IFINDEX_INTERNAL; |
718e3744 | 283 | } |
284 | ||
b892f1dd | 285 | ifindex_t |
8736158a FL |
286 | ifname2ifindex (const char *name) |
287 | { | |
288 | return ifname2ifindex_vrf (name, VRF_DEFAULT); | |
289 | } | |
290 | ||
718e3744 | 291 | /* Interface existance check by interface name. */ |
292 | struct interface * | |
8736158a | 293 | if_lookup_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 294 | { |
52dc7ee6 | 295 | struct listnode *node; |
718e3744 | 296 | struct interface *ifp; |
3e4ee959 PJ |
297 | |
298 | if (name) | |
8736158a | 299 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
300 | { |
301 | if (strcmp(name, ifp->name) == 0) | |
302 | return ifp; | |
303 | } | |
718e3744 | 304 | return NULL; |
305 | } | |
306 | ||
f8962871 DS |
307 | struct interface * |
308 | if_lookup_by_name_all_vrf (const char *name) | |
309 | { | |
1a1a7065 | 310 | struct vrf *vrf; |
f8962871 | 311 | struct interface *ifp; |
f8962871 | 312 | |
1a1a7065 | 313 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
f8962871 | 314 | { |
f8962871 DS |
315 | ifp = if_lookup_by_name_vrf (name, vrf->vrf_id); |
316 | if (ifp) | |
317 | return ifp; | |
318 | } | |
319 | ||
320 | return NULL; | |
321 | } | |
322 | ||
a349198f | 323 | struct interface * |
8736158a FL |
324 | if_lookup_by_name (const char *name) |
325 | { | |
326 | return if_lookup_by_name_vrf (name, VRF_DEFAULT); | |
327 | } | |
328 | ||
329 | struct interface * | |
330 | if_lookup_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id) | |
a349198f | 331 | { |
332 | struct listnode *node; | |
1eb8ef25 | 333 | struct interface *ifp; |
a349198f | 334 | |
335 | if (namelen > INTERFACE_NAMSIZ) | |
336 | return NULL; | |
337 | ||
8736158a | 338 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 339 | { |
a349198f | 340 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
341 | return ifp; | |
342 | } | |
343 | return NULL; | |
344 | } | |
345 | ||
8736158a FL |
346 | struct interface * |
347 | if_lookup_by_name_len(const char *name, size_t namelen) | |
348 | { | |
349 | return if_lookup_by_name_len_vrf (name, namelen, VRF_DEFAULT); | |
350 | } | |
351 | ||
718e3744 | 352 | /* Lookup interface by IPv4 address. */ |
353 | struct interface * | |
8736158a | 354 | if_lookup_exact_address_vrf (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 355 | { |
52dc7ee6 | 356 | struct listnode *node; |
357 | struct listnode *cnode; | |
718e3744 | 358 | struct interface *ifp; |
359 | struct prefix *p; | |
360 | struct connected *c; | |
361 | ||
8736158a | 362 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 363 | { |
1eb8ef25 | 364 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 365 | { |
718e3744 | 366 | p = c->address; |
367 | ||
0aabccc0 | 368 | if (p && (p->family == family)) |
718e3744 | 369 | { |
0aabccc0 DD |
370 | if (family == AF_INET) |
371 | { | |
372 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
373 | return ifp; | |
374 | } | |
375 | else if (family == AF_INET6) | |
376 | { | |
0527bd80 | 377 | if (IPV6_ADDR_SAME (&p->u.prefix6, (struct in6_addr *)src)) |
0aabccc0 DD |
378 | return ifp; |
379 | } | |
380 | } | |
718e3744 | 381 | } |
382 | } | |
383 | return NULL; | |
384 | } | |
385 | ||
8736158a FL |
386 | struct interface * |
387 | if_lookup_exact_address (void *src, int family) | |
388 | { | |
389 | return if_lookup_exact_address_vrf (src, family, VRF_DEFAULT); | |
390 | } | |
391 | ||
718e3744 | 392 | /* Lookup interface by IPv4 address. */ |
b10ce841 | 393 | struct connected * |
8736158a | 394 | if_lookup_address_vrf (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 395 | { |
52dc7ee6 | 396 | struct listnode *node; |
718e3744 | 397 | struct prefix addr; |
3fb9cd6e | 398 | int bestlen = 0; |
52dc7ee6 | 399 | struct listnode *cnode; |
718e3744 | 400 | struct interface *ifp; |
718e3744 | 401 | struct connected *c; |
b10ce841 | 402 | struct connected *match; |
718e3744 | 403 | |
0aabccc0 DD |
404 | if (family == AF_INET) |
405 | { | |
406 | addr.family = AF_INET; | |
407 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
408 | addr.prefixlen = IPV4_MAX_BITLEN; | |
409 | } | |
410 | else if (family == AF_INET6) | |
411 | { | |
412 | addr.family = AF_INET6; | |
413 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
414 | addr.prefixlen = IPV6_MAX_BITLEN; | |
415 | } | |
718e3744 | 416 | |
417 | match = NULL; | |
418 | ||
8736158a | 419 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 420 | { |
1eb8ef25 | 421 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 422 | { |
e4529636 AS |
423 | if (c->address && (c->address->family == AF_INET) && |
424 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
425 | (c->address->prefixlen > bestlen)) | |
718e3744 | 426 | { |
e4529636 | 427 | bestlen = c->address->prefixlen; |
b10ce841 | 428 | match = c; |
718e3744 | 429 | } |
430 | } | |
431 | } | |
432 | return match; | |
433 | } | |
434 | ||
b10ce841 | 435 | struct connected * |
8736158a FL |
436 | if_lookup_address (void *matchaddr, int family) |
437 | { | |
438 | return if_lookup_address_vrf (matchaddr, family, VRF_DEFAULT); | |
439 | } | |
440 | ||
b81e97a8 DD |
441 | /* Lookup interface by prefix */ |
442 | struct interface * | |
8736158a | 443 | if_lookup_prefix_vrf (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
444 | { |
445 | struct listnode *node; | |
b81e97a8 DD |
446 | struct listnode *cnode; |
447 | struct interface *ifp; | |
448 | struct connected *c; | |
449 | ||
8736158a | 450 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
451 | { |
452 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
453 | { | |
454 | if (prefix_cmp(c->address, prefix) == 0) | |
455 | { | |
456 | return ifp; | |
457 | } | |
458 | } | |
459 | } | |
460 | return NULL; | |
461 | } | |
462 | ||
8736158a FL |
463 | struct interface * |
464 | if_lookup_prefix (struct prefix *prefix) | |
465 | { | |
466 | return if_lookup_prefix_vrf (prefix, VRF_DEFAULT); | |
467 | } | |
468 | ||
718e3744 | 469 | /* Get interface by name if given name interface doesn't exist create |
470 | one. */ | |
471 | struct interface * | |
8736158a | 472 | if_get_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 473 | { |
474 | struct interface *ifp; | |
475 | ||
8736158a FL |
476 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp : |
477 | if_create_vrf (name, strlen(name), vrf_id); | |
a349198f | 478 | } |
479 | ||
480 | struct interface * | |
8736158a FL |
481 | if_get_by_name (const char *name) |
482 | { | |
483 | return if_get_by_name_vrf (name, VRF_DEFAULT); | |
484 | } | |
485 | ||
486 | struct interface * | |
85f9da7f | 487 | if_get_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) |
a349198f | 488 | { |
489 | struct interface *ifp; | |
1a1a7065 | 490 | struct vrf *vrf; |
85f9da7f | 491 | struct listnode *node; |
85f9da7f DS |
492 | |
493 | ifp = if_lookup_by_name_len_vrf (name, namelen, vrf_id); | |
494 | if (ifp) | |
495 | return ifp; | |
a349198f | 496 | |
85f9da7f | 497 | /* Didn't find the interface on that vrf. Defined on a different one? */ |
1a1a7065 | 498 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
85f9da7f | 499 | { |
85f9da7f DS |
500 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) |
501 | { | |
502 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) | |
503 | { | |
504 | /* Found a match. If the interface command was entered in vty without a | |
505 | * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was | |
506 | * entered and there is a mismatch, reject it if from vty. If it came | |
507 | * from the kernel by way of zclient, believe it and update | |
508 | * the ifp accordingly. | |
509 | */ | |
53eadacf | 510 | if (vty) |
511 | { | |
512 | if (vrf_id == VRF_DEFAULT) | |
513 | return ifp; | |
514 | return NULL; | |
515 | } | |
85f9da7f DS |
516 | else |
517 | { | |
518 | if_update_vrf (ifp, name, namelen, vrf_id); | |
519 | return ifp; | |
520 | } | |
521 | } | |
522 | } | |
523 | } | |
524 | return (if_create_vrf (name, namelen, vrf_id)); | |
8736158a FL |
525 | } |
526 | ||
527 | struct interface * | |
528 | if_get_by_name_len (const char *name, size_t namelen) | |
529 | { | |
85f9da7f | 530 | return if_get_by_name_len_vrf (name, namelen, VRF_DEFAULT, 0); |
718e3744 | 531 | } |
532 | ||
533 | /* Does interface up ? */ | |
534 | int | |
535 | if_is_up (struct interface *ifp) | |
536 | { | |
537 | return ifp->flags & IFF_UP; | |
538 | } | |
539 | ||
2e3b2e47 | 540 | /* Is interface running? */ |
541 | int | |
542 | if_is_running (struct interface *ifp) | |
543 | { | |
544 | return ifp->flags & IFF_RUNNING; | |
545 | } | |
546 | ||
547 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
548 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
549 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 550 | int |
551 | if_is_operative (struct interface *ifp) | |
552 | { | |
553 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
554 | (((ifp->flags & IFF_RUNNING) && |
555 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
556 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
557 | } | |
558 | ||
559 | /* Is the interface operative, eg. either UP & RUNNING | |
560 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
561 | int | |
562 | if_is_no_ptm_operative (struct interface *ifp) | |
563 | { | |
564 | return ((ifp->flags & IFF_UP) && | |
565 | ((ifp->flags & IFF_RUNNING) || | |
566 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 567 | } |
568 | ||
718e3744 | 569 | /* Is this loopback interface ? */ |
570 | int | |
571 | if_is_loopback (struct interface *ifp) | |
572 | { | |
4ba9b924 | 573 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
574 | * but Y on platform N? | |
575 | */ | |
576 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 577 | } |
578 | ||
579 | /* Does this interface support broadcast ? */ | |
580 | int | |
581 | if_is_broadcast (struct interface *ifp) | |
582 | { | |
583 | return ifp->flags & IFF_BROADCAST; | |
584 | } | |
585 | ||
586 | /* Does this interface support broadcast ? */ | |
587 | int | |
588 | if_is_pointopoint (struct interface *ifp) | |
589 | { | |
590 | return ifp->flags & IFF_POINTOPOINT; | |
591 | } | |
592 | ||
593 | /* Does this interface support multicast ? */ | |
594 | int | |
595 | if_is_multicast (struct interface *ifp) | |
596 | { | |
597 | return ifp->flags & IFF_MULTICAST; | |
598 | } | |
599 | ||
600 | /* Printout flag information into log */ | |
601 | const char * | |
602 | if_flag_dump (unsigned long flag) | |
603 | { | |
604 | int separator = 0; | |
605 | static char logbuf[BUFSIZ]; | |
606 | ||
607 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 608 | if (flag & (X)) \ |
718e3744 | 609 | { \ |
610 | if (separator) \ | |
611 | strlcat (logbuf, ",", BUFSIZ); \ | |
612 | else \ | |
613 | separator = 1; \ | |
614 | strlcat (logbuf, STR, BUFSIZ); \ | |
615 | } | |
616 | ||
630c97ce | 617 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 618 | IFF_OUT_LOG (IFF_UP, "UP"); |
619 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
620 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
621 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
622 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
623 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
624 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
625 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
626 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
627 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
628 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
629 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
630 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
631 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
632 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
633 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 634 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
635 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
636 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
637 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
638 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 639 | |
640 | strlcat (logbuf, ">", BUFSIZ); | |
641 | ||
642 | return logbuf; | |
630c97ce | 643 | #undef IFF_OUT_LOG |
718e3744 | 644 | } |
645 | ||
646 | /* For debugging */ | |
8cc4198f | 647 | static void |
cedd7f2f | 648 | if_dump (const struct interface *ifp) |
718e3744 | 649 | { |
1f9a9fff PJ |
650 | struct listnode *node; |
651 | struct connected *c __attribute__((unused)); | |
652 | ||
653 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) | |
3968dbf8 | 654 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
1f9a9fff | 655 | "mtu6 %d %s", |
3968dbf8 | 656 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
1f9a9fff | 657 | ifp->mtu6, if_flag_dump (ifp->flags)); |
718e3744 | 658 | } |
659 | ||
660 | /* Interface printing for all interface. */ | |
661 | void | |
66e5cd87 | 662 | if_dump_all (void) |
718e3744 | 663 | { |
1a1a7065 | 664 | struct vrf *vrf; |
52dc7ee6 | 665 | struct listnode *node; |
1eb8ef25 | 666 | void *p; |
718e3744 | 667 | |
1a1a7065 RW |
668 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
669 | if (vrf->iflist != NULL) | |
670 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, p)) | |
8736158a | 671 | if_dump (p); |
718e3744 | 672 | } |
673 | ||
6147e2c6 | 674 | DEFUN (interface_desc, |
718e3744 | 675 | interface_desc_cmd, |
fcbee690 | 676 | "description LINE...", |
718e3744 | 677 | "Interface specific description\n" |
678 | "Characters describing this interface\n") | |
679 | { | |
58749582 | 680 | int idx_line = 1; |
be301cc2 | 681 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 682 | |
718e3744 | 683 | if (ifp->desc) |
3b8b1855 | 684 | XFREE (MTYPE_TMP, ifp->desc); |
58749582 | 685 | ifp->desc = argv_concat(argv, argc, idx_line); |
718e3744 | 686 | |
687 | return CMD_SUCCESS; | |
688 | } | |
689 | ||
6147e2c6 | 690 | DEFUN (no_interface_desc, |
718e3744 | 691 | no_interface_desc_cmd, |
692 | "no description", | |
693 | NO_STR | |
694 | "Interface specific description\n") | |
695 | { | |
be301cc2 | 696 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 697 | |
718e3744 | 698 | if (ifp->desc) |
0241684e | 699 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 700 | ifp->desc = NULL; |
701 | ||
702 | return CMD_SUCCESS; | |
703 | } | |
6b0655a2 | 704 | |
98954844 PJ |
705 | #ifdef SUNOS_5 |
706 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
707 | * a seperate struct interface for each logical interface, so config | |
708 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
709 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
710 | * interfaces can be fruitless, for that reason Quagga only tracks | |
711 | * the primary IP interface. | |
712 | * | |
713 | * We try accomodate SUNWzebra by: | |
714 | * - looking up the interface name, to see whether it exists, if so | |
715 | * its useable | |
716 | * - for protocol daemons, this could only because zebra told us of | |
717 | * the interface | |
718 | * - for zebra, only because it learnt from kernel | |
719 | * - if not: | |
720 | * - search the name to see if it contains a sub-ipif / logical interface | |
721 | * seperator, the ':' char. If it does: | |
722 | * - text up to that char must be the primary name - get that name. | |
723 | * if not: | |
724 | * - no idea, just get the name in its entirety. | |
725 | */ | |
726 | static struct interface * | |
8736158a | 727 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
728 | { |
729 | struct interface *ifp; | |
730 | size_t seppos = 0; | |
718e3744 | 731 | |
8736158a | 732 | if ( (ifp = if_lookup_by_name_len_vrf (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
733 | return ifp; |
734 | ||
735 | /* hunt the primary interface name... */ | |
736 | while (seppos < nlen && name[seppos] != ':') | |
737 | seppos++; | |
738 | ||
739 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
740 | if (seppos < nlen) | |
85f9da7f | 741 | return if_get_by_name_len_vrf (name, seppos, vrf_id, 1); |
98954844 | 742 | else |
85f9da7f | 743 | return if_get_by_name_len_vrf (name, nlen, vrf_id, 1); |
98954844 PJ |
744 | } |
745 | #endif /* SUNOS_5 */ | |
6b0655a2 | 746 | |
718e3744 | 747 | DEFUN (interface, |
748 | interface_cmd, | |
199d90a1 | 749 | "interface IFNAME [vrf NAME]", |
718e3744 | 750 | "Select an interface to configure\n" |
fcbee690 QY |
751 | "Interface's name\n" |
752 | VRF_CMD_HELP_STR) | |
718e3744 | 753 | { |
c349116d | 754 | int idx_ifname = 1; |
abddf075 | 755 | int idx_vrf = 3; |
c349116d | 756 | const char *ifname = argv[idx_ifname]->arg; |
abddf075 | 757 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 758 | |
718e3744 | 759 | struct interface *ifp; |
d2fc8896 | 760 | size_t sl; |
8736158a | 761 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 762 | |
fcbee690 | 763 | if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) |
d2fc8896 | 764 | { |
765 | vty_out (vty, "%% Interface name %s is invalid: length exceeds " | |
766 | "%d characters%s", | |
fcbee690 | 767 | ifname, INTERFACE_NAMSIZ, VTY_NEWLINE); |
d2fc8896 | 768 | return CMD_WARNING; |
769 | } | |
718e3744 | 770 | |
f93e3f69 DS |
771 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
772 | Imagine forward reference of a vrf by name in this interface config */ | |
fcbee690 QY |
773 | if (vrfname) |
774 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 775 | |
98954844 | 776 | #ifdef SUNOS_5 |
fcbee690 | 777 | ifp = if_sunwzebra_get (ifname, sl, vrf_id); |
98954844 | 778 | #else |
fcbee690 | 779 | ifp = if_get_by_name_len_vrf (ifname, sl, vrf_id, 1); |
98954844 | 780 | #endif /* SUNOS_5 */ |
718e3744 | 781 | |
85f9da7f DS |
782 | if (!ifp) |
783 | { | |
fcbee690 | 784 | vty_out (vty, "%% interface %s not in %s%s", ifname, vrfname, VTY_NEWLINE); |
85f9da7f DS |
785 | return CMD_WARNING; |
786 | } | |
a50b7ceb | 787 | VTY_PUSH_CONTEXT (INTERFACE_NODE, ifp); |
718e3744 | 788 | |
789 | return CMD_SUCCESS; | |
790 | } | |
791 | ||
32d2463c | 792 | DEFUN_NOSH (no_interface, |
793 | no_interface_cmd, | |
199d90a1 | 794 | "no interface IFNAME [vrf NAME]", |
32d2463c | 795 | NO_STR |
796 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
797 | "Interface's name\n" |
798 | VRF_CMD_HELP_STR) | |
32d2463c | 799 | { |
fcbee690 QY |
800 | const char *ifname = argv[2]->arg; |
801 | const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; | |
802 | ||
32d2463c | 803 | // deleting interface |
804 | struct interface *ifp; | |
8736158a | 805 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 806 | |
fcbee690 QY |
807 | if (argc > 3) |
808 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 809 | |
fcbee690 | 810 | ifp = if_lookup_by_name_vrf (ifname, vrf_id); |
32d2463c | 811 | |
812 | if (ifp == NULL) | |
d2fc8896 | 813 | { |
fcbee690 | 814 | vty_out (vty, "%% Interface %s does not exist%s", ifname, VTY_NEWLINE); |
d2fc8896 | 815 | return CMD_WARNING; |
816 | } | |
32d2463c | 817 | |
bfc13532 | 818 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 819 | { |
820 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
821 | VTY_NEWLINE); | |
822 | return CMD_WARNING; | |
823 | } | |
32d2463c | 824 | |
825 | if_delete(ifp); | |
826 | ||
827 | return CMD_SUCCESS; | |
828 | } | |
829 | ||
0b84f294 DL |
830 | void |
831 | if_cmd_init (void) | |
832 | { | |
833 | install_element (CONFIG_NODE, &interface_cmd); | |
834 | install_element (CONFIG_NODE, &no_interface_cmd); | |
835 | ||
836 | install_default (INTERFACE_NODE); | |
837 | install_element (INTERFACE_NODE, &interface_desc_cmd); | |
838 | install_element (INTERFACE_NODE, &no_interface_desc_cmd); | |
839 | } | |
840 | ||
d7d73ffc | 841 | #if 0 |
718e3744 | 842 | /* For debug purpose. */ |
843 | DEFUN (show_address, | |
844 | show_address_cmd, | |
199d90a1 | 845 | "show address [vrf NAME]", |
718e3744 | 846 | SHOW_STR |
fcbee690 QY |
847 | "address\n" |
848 | VRF_CMD_HELP_STR) | |
718e3744 | 849 | { |
abddf075 | 850 | int idx_vrf = 3; |
52dc7ee6 | 851 | struct listnode *node; |
852 | struct listnode *node2; | |
718e3744 | 853 | struct interface *ifp; |
854 | struct connected *ifc; | |
855 | struct prefix *p; | |
8736158a | 856 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 857 | |
fcbee690 | 858 | if (argc > 2) |
58749582 | 859 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a FL |
860 | |
861 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 862 | { |
1eb8ef25 | 863 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 864 | { |
718e3744 | 865 | p = ifc->address; |
866 | ||
867 | if (p->family == AF_INET) | |
868 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
869 | VTY_NEWLINE); | |
870 | } | |
871 | } | |
872 | return CMD_SUCCESS; | |
873 | } | |
874 | ||
8736158a FL |
875 | DEFUN (show_address_vrf_all, |
876 | show_address_vrf_all_cmd, | |
9ccf14f7 | 877 | "show address vrf all", |
8736158a FL |
878 | SHOW_STR |
879 | "address\n" | |
880 | VRF_ALL_CMD_HELP_STR) | |
881 | { | |
1a1a7065 | 882 | struct vrf *vrf; |
8736158a FL |
883 | struct listnode *node; |
884 | struct listnode *node2; | |
885 | struct interface *ifp; | |
886 | struct connected *ifc; | |
887 | struct prefix *p; | |
8736158a | 888 | |
a62c4901 | 889 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 890 | { |
1a1a7065 | 891 | if (!vrf->iflist || !listcount (vrf->iflist)) |
8736158a FL |
892 | continue; |
893 | ||
1a1a7065 RW |
894 | vty_out (vty, "%sVRF %u%s%s", VTY_NEWLINE, vrf->vrf_id, VTY_NEWLINE, |
895 | VTY_NEWLINE); | |
8736158a | 896 | |
1a1a7065 | 897 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, ifp)) |
8736158a FL |
898 | { |
899 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
900 | { | |
901 | p = ifc->address; | |
902 | ||
903 | if (p->family == AF_INET) | |
904 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
905 | VTY_NEWLINE); | |
906 | } | |
907 | } | |
908 | } | |
909 | return CMD_SUCCESS; | |
910 | } | |
d7d73ffc | 911 | #endif |
8736158a | 912 | |
718e3744 | 913 | /* Allocate connected structure. */ |
914 | struct connected * | |
8cc4198f | 915 | connected_new (void) |
718e3744 | 916 | { |
393deb9b | 917 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 918 | } |
919 | ||
a80beece DS |
920 | /* Allocate nbr connected structure. */ |
921 | struct nbr_connected * | |
922 | nbr_connected_new (void) | |
923 | { | |
924 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
925 | } | |
926 | ||
718e3744 | 927 | /* Free connected structure. */ |
928 | void | |
929 | connected_free (struct connected *connected) | |
930 | { | |
931 | if (connected->address) | |
932 | prefix_free (connected->address); | |
933 | ||
934 | if (connected->destination) | |
935 | prefix_free (connected->destination); | |
936 | ||
937 | if (connected->label) | |
9c4f1c6f | 938 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 939 | |
940 | XFREE (MTYPE_CONNECTED, connected); | |
941 | } | |
942 | ||
a80beece DS |
943 | /* Free nbr connected structure. */ |
944 | void | |
945 | nbr_connected_free (struct nbr_connected *connected) | |
946 | { | |
947 | if (connected->address) | |
948 | prefix_free (connected->address); | |
949 | ||
950 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
951 | } | |
952 | ||
953 | /* If same interface nbr address already exists... */ | |
954 | struct nbr_connected * | |
955 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
956 | { | |
957 | struct nbr_connected *ifc; | |
958 | struct listnode *node; | |
959 | ||
960 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
961 | if (prefix_same (ifc->address, p)) | |
962 | return ifc; | |
963 | ||
964 | return NULL; | |
965 | } | |
966 | ||
718e3744 | 967 | /* Print if_addr structure. */ |
8cc4198f | 968 | static void __attribute__ ((unused)) |
718e3744 | 969 | connected_log (struct connected *connected, char *str) |
970 | { | |
971 | struct prefix *p; | |
972 | struct interface *ifp; | |
973 | char logbuf[BUFSIZ]; | |
974 | char buf[BUFSIZ]; | |
975 | ||
976 | ifp = connected->ifp; | |
977 | p = connected->address; | |
978 | ||
3968dbf8 FL |
979 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
980 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 981 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
982 | p->prefixlen); | |
983 | ||
984 | p = connected->destination; | |
985 | if (p) | |
986 | { | |
987 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
988 | BUFSIZ - strlen(logbuf)); | |
989 | } | |
4525281a | 990 | zlog_info("%s", logbuf); |
718e3744 | 991 | } |
992 | ||
a80beece DS |
993 | /* Print if_addr structure. */ |
994 | static void __attribute__ ((unused)) | |
995 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
996 | { | |
997 | struct prefix *p; | |
998 | struct interface *ifp; | |
999 | char logbuf[BUFSIZ]; | |
1000 | char buf[BUFSIZ]; | |
1001 | ||
1002 | ifp = connected->ifp; | |
1003 | p = connected->address; | |
1004 | ||
1005 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
1006 | str, ifp->name, prefix_family_str (p), | |
1007 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1008 | p->prefixlen); | |
1009 | ||
4525281a | 1010 | zlog_info("%s", logbuf); |
a80beece DS |
1011 | } |
1012 | ||
718e3744 | 1013 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 1014 | static int |
718e3744 | 1015 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
1016 | { | |
1017 | if (p1->family == p2->family) | |
1018 | { | |
1019 | if (p1->family == AF_INET && | |
1020 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
1021 | return 1; | |
718e3744 | 1022 | if (p1->family == AF_INET6 && |
1023 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
1024 | return 1; | |
718e3744 | 1025 | } |
1026 | return 0; | |
1027 | } | |
1028 | ||
38485402 DS |
1029 | struct connected * |
1030 | connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) | |
1031 | { | |
1032 | struct listnode *node; | |
1033 | struct listnode *next; | |
1034 | struct connected *ifc; | |
1035 | ||
1036 | for (node = listhead (ifp->connected); node; node = next) | |
1037 | { | |
1038 | ifc = listgetdata (node); | |
1039 | next = node->next; | |
1040 | ||
1041 | if (connected_same_prefix (ifc->address, p)) | |
1042 | return ifc; | |
1043 | } | |
1044 | return NULL; | |
1045 | } | |
1046 | ||
718e3744 | 1047 | struct connected * |
1048 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
1049 | { | |
1050 | struct listnode *node; | |
1051 | struct listnode *next; | |
1052 | struct connected *ifc; | |
1053 | ||
1054 | /* In case of same prefix come, replace it with new one. */ | |
1055 | for (node = listhead (ifp->connected); node; node = next) | |
1056 | { | |
1eb8ef25 | 1057 | ifc = listgetdata (node); |
718e3744 | 1058 | next = node->next; |
1059 | ||
1060 | if (connected_same_prefix (ifc->address, p)) | |
1061 | { | |
1062 | listnode_delete (ifp->connected, ifc); | |
1063 | return ifc; | |
1064 | } | |
1065 | } | |
1066 | return NULL; | |
1067 | } | |
1068 | ||
bd40c341 | 1069 | /* Find the address on our side that will be used when packets |
727d104b | 1070 | are sent to dst. */ |
1071 | struct connected * | |
bd40c341 | 1072 | connected_lookup_prefix (struct interface *ifp, struct prefix *addr) |
727d104b | 1073 | { |
52dc7ee6 | 1074 | struct listnode *cnode; |
727d104b | 1075 | struct connected *c; |
1076 | struct connected *match; | |
1077 | ||
727d104b | 1078 | match = NULL; |
1079 | ||
1eb8ef25 | 1080 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1081 | { |
bd40c341 DS |
1082 | if (c->address && (c->address->family == addr->family) && |
1083 | prefix_match(CONNECTED_PREFIX(c), addr) && | |
e4529636 AS |
1084 | (!match || (c->address->prefixlen > match->address->prefixlen))) |
1085 | match = c; | |
727d104b | 1086 | } |
1087 | return match; | |
1088 | } | |
1089 | ||
4a7aac1b | 1090 | struct connected * |
1091 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1092 | struct prefix *destination) | |
1093 | { | |
1094 | struct connected *ifc; | |
1095 | ||
1096 | /* Allocate new connected address. */ | |
1097 | ifc = connected_new (); | |
1098 | ifc->ifp = ifp; | |
1099 | ||
1100 | /* Fetch interface address */ | |
1101 | ifc->address = prefix_new(); | |
1102 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1103 | ||
1104 | /* Fetch dest address */ | |
3fb9cd6e | 1105 | if (destination) |
1106 | { | |
1107 | ifc->destination = prefix_new(); | |
1108 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1109 | } | |
4a7aac1b | 1110 | |
1111 | /* Add connected address to the interface. */ | |
1112 | listnode_add (ifp->connected, ifc); | |
1113 | return ifc; | |
1114 | } | |
1115 | ||
8cc4198f | 1116 | #if 0 /* this route_table of struct connected's is unused |
1117 | * however, it would be good to use a route_table rather than | |
1118 | * a list.. | |
1119 | */ | |
718e3744 | 1120 | /* Interface looking up by interface's address. */ |
718e3744 | 1121 | /* Interface's IPv4 address reverse lookup table. */ |
1122 | struct route_table *ifaddr_ipv4_table; | |
1123 | /* struct route_table *ifaddr_ipv6_table; */ | |
1124 | ||
8cc4198f | 1125 | static void |
718e3744 | 1126 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1127 | { | |
1128 | struct route_node *rn; | |
1129 | struct prefix_ipv4 p; | |
1130 | ||
1131 | p.family = AF_INET; | |
1132 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1133 | p.prefix = *ifaddr; | |
1134 | ||
1135 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1136 | if (rn) | |
1137 | { | |
1138 | route_unlock_node (rn); | |
1139 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1140 | inet_ntoa (*ifaddr)); | |
1141 | return; | |
1142 | } | |
1143 | rn->info = ifp; | |
1144 | } | |
1145 | ||
8cc4198f | 1146 | static void |
718e3744 | 1147 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1148 | { | |
1149 | struct route_node *rn; | |
1150 | struct prefix_ipv4 p; | |
1151 | ||
1152 | p.family = AF_INET; | |
1153 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1154 | p.prefix = *ifaddr; | |
1155 | ||
1156 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1157 | if (! rn) | |
1158 | { | |
1159 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1160 | inet_ntoa (*ifaddr)); | |
1161 | return; | |
1162 | } | |
1163 | rn->info = NULL; | |
1164 | route_unlock_node (rn); | |
1165 | route_unlock_node (rn); | |
1166 | } | |
1167 | ||
1168 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1169 | static struct interface * |
b892f1dd | 1170 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1171 | { |
1172 | struct prefix_ipv4 p; | |
1173 | struct route_node *rn; | |
1174 | struct interface *ifp; | |
718e3744 | 1175 | |
1176 | if (addr) | |
1177 | { | |
1178 | p.family = AF_INET; | |
1179 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1180 | p.prefix = *addr; | |
1181 | ||
1182 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1183 | if (! rn) | |
1184 | return NULL; | |
1185 | ||
1186 | ifp = rn->info; | |
1187 | route_unlock_node (rn); | |
1188 | return ifp; | |
1189 | } | |
1190 | else | |
d2fc8896 | 1191 | return if_lookup_by_index(ifindex); |
718e3744 | 1192 | } |
8cc4198f | 1193 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1194 | |
1195 | /* Initialize interface list. */ | |
1196 | void | |
b2d7c082 | 1197 | if_init (struct list **intf_list) |
718e3744 | 1198 | { |
8736158a | 1199 | *intf_list = list_new (); |
8cc4198f | 1200 | #if 0 |
718e3744 | 1201 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1202 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1203 | |
8736158a | 1204 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
718e3744 | 1205 | } |
4bd045d5 TG |
1206 | |
1207 | void | |
b2d7c082 | 1208 | if_terminate (struct list **intf_list) |
4bd045d5 TG |
1209 | { |
1210 | for (;;) | |
1211 | { | |
1212 | struct interface *ifp; | |
1213 | ||
8736158a | 1214 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1215 | if (ifp == NULL) |
1216 | break; | |
1217 | ||
3f6d6a5d DS |
1218 | if (ifp->node) |
1219 | { | |
1220 | ifp->node->info = NULL; | |
1221 | route_unlock_node (ifp->node); | |
1222 | } | |
1223 | ||
4bd045d5 TG |
1224 | if_delete (ifp); |
1225 | } | |
1226 | ||
8736158a FL |
1227 | list_delete (*intf_list); |
1228 | *intf_list = NULL; | |
4bd045d5 | 1229 | } |
8ccc7e80 TT |
1230 | |
1231 | const char * | |
1232 | if_link_type_str (enum zebra_link_type llt) | |
1233 | { | |
1234 | switch (llt) | |
1235 | { | |
1236 | #define llts(T,S) case (T): return (S) | |
1237 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); | |
1238 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1239 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1240 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1241 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1242 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1243 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1244 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1245 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1246 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1247 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1248 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1249 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1250 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1251 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1252 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1253 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1254 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1255 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1256 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1257 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1258 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1259 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1260 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1261 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1262 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1263 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1264 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1265 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1266 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1267 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1268 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1269 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1270 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1271 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1272 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1273 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1274 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1275 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1276 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1277 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1278 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1279 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1280 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1281 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1282 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1283 | default: | |
1284 | zlog_warn ("Unknown value %d", llt); | |
1285 | return "Unknown type!"; | |
1286 | #undef llts | |
1287 | } | |
1288 | return NULL; | |
1289 | } | |
16f1b9ee OD |
1290 | |
1291 | struct if_link_params * | |
1292 | if_link_params_get (struct interface *ifp) | |
1293 | { | |
1294 | int i; | |
1295 | ||
1296 | if (ifp->link_params != NULL) | |
1297 | return ifp->link_params; | |
1298 | ||
1299 | struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, | |
1300 | sizeof (struct if_link_params)); | |
1301 | if (iflp == NULL) return NULL; | |
1302 | ||
daf0a4d2 | 1303 | /* Set TE metric equal to standard metric */ |
16f1b9ee OD |
1304 | iflp->te_metric = ifp->metric; |
1305 | ||
1306 | /* Compute default bandwidth based on interface */ | |
b6a9e7b4 DS |
1307 | iflp->default_bw = ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) |
1308 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee OD |
1309 | |
1310 | /* Set Max, Reservable and Unreserved Bandwidth */ | |
b6a9e7b4 DS |
1311 | iflp->max_bw = iflp->default_bw; |
1312 | iflp->max_rsv_bw = iflp->default_bw; | |
16f1b9ee | 1313 | for (i = 0; i < MAX_CLASS_TYPE; i++) |
b6a9e7b4 | 1314 | iflp->unrsv_bw[i] = iflp->default_bw; |
16f1b9ee OD |
1315 | |
1316 | /* Update Link parameters status */ | |
daf0a4d2 | 1317 | iflp->lp_status = LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; |
16f1b9ee OD |
1318 | |
1319 | /* Finally attach newly created Link Parameters */ | |
1320 | ifp->link_params = iflp; | |
1321 | ||
1322 | return iflp; | |
1323 | } | |
1324 | ||
1325 | void | |
1326 | if_link_params_free (struct interface *ifp) | |
1327 | { | |
1328 | if (ifp->link_params == NULL) return; | |
1329 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1330 | ifp->link_params = NULL; | |
1331 | } |