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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" | |
37 | #include "str.h" | |
38 | #include "log.h" | |
6b0655a2 | 39 | |
4a1ab8e4 DL |
40 | DEFINE_MTYPE( LIB, IF, "Interface") |
41 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") | |
42 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
43 | DEFINE_MTYPE( LIB, CONNECTED_LABEL, "Connected interface label") | |
44 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
45 | ||
e80e7cce DL |
46 | DEFINE_QOBJ_TYPE(interface) |
47 | ||
8736158a | 48 | /* List of interfaces in only the default VRF */ |
244c1cdc | 49 | int ptm_enable = 0; |
718e3744 | 50 | |
51 | /* One for each program. This structure is needed to store hooks. */ | |
52 | struct if_master | |
53 | { | |
54 | int (*if_new_hook) (struct interface *); | |
55 | int (*if_delete_hook) (struct interface *); | |
8736158a | 56 | } if_master = {0,}; |
6b0655a2 | 57 | |
3a0391a9 | 58 | /* Compare interface names, returning an integer greater than, equal to, or |
59 | * less than 0, (following the strcmp convention), according to the | |
60 | * relationship between ifp1 and ifp2. Interface names consist of an | |
61 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
62 | * lexicographic by name, and then numeric by number. No number sorts | |
63 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
64 | * devpty0, de0 < del0 | |
65 | */ | |
106d2fd5 | 66 | int |
974fc9d2 | 67 | if_cmp_name_func (char *p1, char *p2) |
106d2fd5 | 68 | { |
69 | unsigned int l1, l2; | |
70 | long int x1, x2; | |
106d2fd5 | 71 | int res; |
72 | ||
90578521 | 73 | while (*p1 && *p2) { |
106d2fd5 | 74 | /* look up to any number */ |
75 | l1 = strcspn(p1, "0123456789"); | |
76 | l2 = strcspn(p2, "0123456789"); | |
77 | ||
78 | /* name lengths are different -> compare names */ | |
79 | if (l1 != l2) | |
80 | return (strcmp(p1, p2)); | |
81 | ||
3a0391a9 | 82 | /* Note that this relies on all numbers being less than all letters, so |
83 | * that de0 < del0. | |
84 | */ | |
106d2fd5 | 85 | res = strncmp(p1, p2, l1); |
86 | ||
87 | /* names are different -> compare them */ | |
88 | if (res) | |
89 | return res; | |
90 | ||
91 | /* with identical name part, go to numeric part */ | |
106d2fd5 | 92 | p1 += l1; |
93 | p2 += l1; | |
94 | ||
b06c14f2 | 95 | if (!*p1) |
96 | return -1; | |
97 | if (!*p2) | |
98 | return 1; | |
99 | ||
106d2fd5 | 100 | x1 = strtol(p1, &p1, 10); |
101 | x2 = strtol(p2, &p2, 10); | |
102 | ||
103 | /* let's compare numbers now */ | |
104 | if (x1 < x2) | |
105 | return -1; | |
106 | if (x1 > x2) | |
107 | return 1; | |
108 | ||
109 | /* numbers were equal, lets do it again.. | |
110 | (it happens with name like "eth123.456:789") */ | |
111 | } | |
90578521 | 112 | if (*p1) |
113 | return 1; | |
114 | if (*p2) | |
115 | return -1; | |
116 | return 0; | |
106d2fd5 | 117 | } |
118 | ||
974fc9d2 DS |
119 | static int |
120 | if_cmp_func (struct interface *ifp1, struct interface *ifp2) | |
121 | { | |
122 | return if_cmp_name_func (ifp1->name, ifp2->name); | |
123 | } | |
124 | ||
718e3744 | 125 | /* Create new interface structure. */ |
718e3744 | 126 | struct interface * |
8736158a | 127 | if_create_vrf (const char *name, int namelen, vrf_id_t vrf_id) |
718e3744 | 128 | { |
129 | struct interface *ifp; | |
8736158a | 130 | struct list *intf_list = vrf_iflist_get (vrf_id); |
718e3744 | 131 | |
d2fc8896 | 132 | ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); |
133 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 134 | |
106d2fd5 | 135 | assert (name); |
d2fc8896 | 136 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ |
106d2fd5 | 137 | strncpy (ifp->name, name, namelen); |
d2fc8896 | 138 | ifp->name[namelen] = '\0'; |
8736158a FL |
139 | ifp->vrf_id = vrf_id; |
140 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
141 | listnode_add_sort (intf_list, ifp); | |
d2fc8896 | 142 | else |
143 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
8736158a | 144 | "name exists already in VRF %u!", ifp->name, vrf_id); |
718e3744 | 145 | ifp->connected = list_new (); |
146 | ifp->connected->del = (void (*) (void *)) connected_free; | |
147 | ||
a80beece DS |
148 | ifp->nbr_connected = list_new (); |
149 | ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; | |
150 | ||
c9506a0a DS |
151 | /* Enable Link-detection by default */ |
152 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
153 | ||
e80e7cce DL |
154 | QOBJ_REG (ifp, interface); |
155 | ||
718e3744 | 156 | if (if_master.if_new_hook) |
157 | (*if_master.if_new_hook) (ifp); | |
158 | ||
159 | return ifp; | |
160 | } | |
161 | ||
8736158a FL |
162 | struct interface * |
163 | if_create (const char *name, int namelen) | |
164 | { | |
165 | return if_create_vrf (name, namelen, VRF_DEFAULT); | |
166 | } | |
167 | ||
f93e3f69 DS |
168 | /* Create new interface structure. */ |
169 | void | |
170 | if_update_vrf (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) | |
171 | { | |
172 | struct list *intf_list = vrf_iflist_get (vrf_id); | |
173 | ||
174 | /* remove interface from old master vrf list */ | |
175 | if (vrf_iflist (ifp->vrf_id)) | |
176 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); | |
177 | ||
178 | assert (name); | |
179 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ | |
180 | strncpy (ifp->name, name, namelen); | |
181 | ifp->name[namelen] = '\0'; | |
182 | ifp->vrf_id = vrf_id; | |
183 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
184 | listnode_add_sort (intf_list, ifp); | |
185 | else | |
186 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
187 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
188 | ||
189 | return; | |
190 | } | |
191 | ||
192 | ||
d2fc8896 | 193 | /* Delete interface structure. */ |
718e3744 | 194 | void |
d2fc8896 | 195 | if_delete_retain (struct interface *ifp) |
718e3744 | 196 | { |
718e3744 | 197 | if (if_master.if_delete_hook) |
198 | (*if_master.if_delete_hook) (ifp); | |
199 | ||
e80e7cce DL |
200 | QOBJ_UNREG (ifp); |
201 | ||
718e3744 | 202 | /* Free connected address list */ |
2dd04c5d | 203 | list_delete_all_node (ifp->connected); |
a80beece DS |
204 | |
205 | /* Free connected nbr address list */ | |
206 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 207 | } |
208 | ||
209 | /* Delete and free interface structure. */ | |
210 | void | |
211 | if_delete (struct interface *ifp) | |
212 | { | |
8736158a | 213 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 214 | |
215 | if_delete_retain(ifp); | |
718e3744 | 216 | |
2dd04c5d | 217 | list_free (ifp->connected); |
a80beece | 218 | list_free (ifp->nbr_connected); |
2dd04c5d | 219 | |
16f1b9ee OD |
220 | if_link_params_free (ifp); |
221 | ||
718e3744 | 222 | XFREE (MTYPE_IF, ifp); |
223 | } | |
224 | ||
225 | /* Add hook to interface master. */ | |
226 | void | |
227 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
228 | { | |
229 | switch (type) { | |
230 | case IF_NEW_HOOK: | |
231 | if_master.if_new_hook = func; | |
232 | break; | |
233 | case IF_DELETE_HOOK: | |
234 | if_master.if_delete_hook = func; | |
235 | break; | |
236 | default: | |
237 | break; | |
238 | } | |
239 | } | |
240 | ||
241 | /* Interface existance check by index. */ | |
242 | struct interface * | |
b892f1dd | 243 | if_lookup_by_index_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 244 | { |
52dc7ee6 | 245 | struct listnode *node; |
718e3744 | 246 | struct interface *ifp; |
247 | ||
8736158a | 248 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 249 | { |
b892f1dd | 250 | if (ifp->ifindex == ifindex) |
718e3744 | 251 | return ifp; |
252 | } | |
253 | return NULL; | |
254 | } | |
255 | ||
8736158a | 256 | struct interface * |
b892f1dd | 257 | if_lookup_by_index (ifindex_t ifindex) |
8736158a | 258 | { |
b892f1dd | 259 | return if_lookup_by_index_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
260 | } |
261 | ||
8cc4198f | 262 | const char * |
b892f1dd | 263 | ifindex2ifname_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 264 | { |
718e3744 | 265 | struct interface *ifp; |
266 | ||
b892f1dd | 267 | return ((ifp = if_lookup_by_index_vrf (ifindex, vrf_id)) != NULL) ? |
8cc4198f | 268 | ifp->name : "unknown"; |
d2fc8896 | 269 | } |
270 | ||
8736158a | 271 | const char * |
b892f1dd | 272 | ifindex2ifname (ifindex_t ifindex) |
8736158a | 273 | { |
b892f1dd | 274 | return ifindex2ifname_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
275 | } |
276 | ||
b892f1dd | 277 | ifindex_t |
8736158a | 278 | ifname2ifindex_vrf (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 279 | { |
280 | struct interface *ifp; | |
281 | ||
8736158a | 282 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 283 | : IFINDEX_INTERNAL; |
718e3744 | 284 | } |
285 | ||
b892f1dd | 286 | ifindex_t |
8736158a FL |
287 | ifname2ifindex (const char *name) |
288 | { | |
289 | return ifname2ifindex_vrf (name, VRF_DEFAULT); | |
290 | } | |
291 | ||
718e3744 | 292 | /* Interface existance check by interface name. */ |
293 | struct interface * | |
8736158a | 294 | if_lookup_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 295 | { |
52dc7ee6 | 296 | struct listnode *node; |
718e3744 | 297 | struct interface *ifp; |
3e4ee959 PJ |
298 | |
299 | if (name) | |
8736158a | 300 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
301 | { |
302 | if (strcmp(name, ifp->name) == 0) | |
303 | return ifp; | |
304 | } | |
718e3744 | 305 | return NULL; |
306 | } | |
307 | ||
f8962871 DS |
308 | struct interface * |
309 | if_lookup_by_name_all_vrf (const char *name) | |
310 | { | |
311 | struct interface *ifp; | |
312 | struct vrf *vrf = NULL; | |
313 | vrf_iter_t iter; | |
314 | ||
315 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
316 | { | |
317 | vrf = vrf_iter2vrf (iter); | |
318 | ifp = if_lookup_by_name_vrf (name, vrf->vrf_id); | |
319 | if (ifp) | |
320 | return ifp; | |
321 | } | |
322 | ||
323 | return NULL; | |
324 | } | |
325 | ||
a349198f | 326 | struct interface * |
8736158a FL |
327 | if_lookup_by_name (const char *name) |
328 | { | |
329 | return if_lookup_by_name_vrf (name, VRF_DEFAULT); | |
330 | } | |
331 | ||
332 | struct interface * | |
333 | if_lookup_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id) | |
a349198f | 334 | { |
335 | struct listnode *node; | |
1eb8ef25 | 336 | struct interface *ifp; |
a349198f | 337 | |
338 | if (namelen > INTERFACE_NAMSIZ) | |
339 | return NULL; | |
340 | ||
8736158a | 341 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 342 | { |
a349198f | 343 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
344 | return ifp; | |
345 | } | |
346 | return NULL; | |
347 | } | |
348 | ||
8736158a FL |
349 | struct interface * |
350 | if_lookup_by_name_len(const char *name, size_t namelen) | |
351 | { | |
352 | return if_lookup_by_name_len_vrf (name, namelen, VRF_DEFAULT); | |
353 | } | |
354 | ||
718e3744 | 355 | /* Lookup interface by IPv4 address. */ |
356 | struct interface * | |
8736158a | 357 | if_lookup_exact_address_vrf (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 358 | { |
52dc7ee6 | 359 | struct listnode *node; |
360 | struct listnode *cnode; | |
718e3744 | 361 | struct interface *ifp; |
362 | struct prefix *p; | |
363 | struct connected *c; | |
364 | ||
8736158a | 365 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 366 | { |
1eb8ef25 | 367 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 368 | { |
718e3744 | 369 | p = c->address; |
370 | ||
0aabccc0 | 371 | if (p && (p->family == family)) |
718e3744 | 372 | { |
0aabccc0 DD |
373 | if (family == AF_INET) |
374 | { | |
375 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
376 | return ifp; | |
377 | } | |
378 | else if (family == AF_INET6) | |
379 | { | |
380 | if (IPV6_ADDR_SAME (&p->u.prefix4, (struct in6_addr *)src)) | |
381 | return ifp; | |
382 | } | |
383 | } | |
718e3744 | 384 | } |
385 | } | |
386 | return NULL; | |
387 | } | |
388 | ||
8736158a FL |
389 | struct interface * |
390 | if_lookup_exact_address (void *src, int family) | |
391 | { | |
392 | return if_lookup_exact_address_vrf (src, family, VRF_DEFAULT); | |
393 | } | |
394 | ||
718e3744 | 395 | /* Lookup interface by IPv4 address. */ |
396 | struct interface * | |
8736158a | 397 | if_lookup_address_vrf (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 398 | { |
52dc7ee6 | 399 | struct listnode *node; |
718e3744 | 400 | struct prefix addr; |
3fb9cd6e | 401 | int bestlen = 0; |
52dc7ee6 | 402 | struct listnode *cnode; |
718e3744 | 403 | struct interface *ifp; |
718e3744 | 404 | struct connected *c; |
405 | struct interface *match; | |
406 | ||
0aabccc0 DD |
407 | if (family == AF_INET) |
408 | { | |
409 | addr.family = AF_INET; | |
410 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
411 | addr.prefixlen = IPV4_MAX_BITLEN; | |
412 | } | |
413 | else if (family == AF_INET6) | |
414 | { | |
415 | addr.family = AF_INET6; | |
416 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
417 | addr.prefixlen = IPV6_MAX_BITLEN; | |
418 | } | |
718e3744 | 419 | |
420 | match = NULL; | |
421 | ||
8736158a | 422 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 423 | { |
1eb8ef25 | 424 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 425 | { |
e4529636 AS |
426 | if (c->address && (c->address->family == AF_INET) && |
427 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
428 | (c->address->prefixlen > bestlen)) | |
718e3744 | 429 | { |
e4529636 AS |
430 | bestlen = c->address->prefixlen; |
431 | match = ifp; | |
718e3744 | 432 | } |
433 | } | |
434 | } | |
435 | return match; | |
436 | } | |
437 | ||
8736158a FL |
438 | struct interface * |
439 | if_lookup_address (void *matchaddr, int family) | |
440 | { | |
441 | return if_lookup_address_vrf (matchaddr, family, VRF_DEFAULT); | |
442 | } | |
443 | ||
b81e97a8 DD |
444 | /* Lookup interface by prefix */ |
445 | struct interface * | |
8736158a | 446 | if_lookup_prefix_vrf (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
447 | { |
448 | struct listnode *node; | |
b81e97a8 DD |
449 | struct listnode *cnode; |
450 | struct interface *ifp; | |
451 | struct connected *c; | |
452 | ||
8736158a | 453 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
454 | { |
455 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
456 | { | |
457 | if (prefix_cmp(c->address, prefix) == 0) | |
458 | { | |
459 | return ifp; | |
460 | } | |
461 | } | |
462 | } | |
463 | return NULL; | |
464 | } | |
465 | ||
8736158a FL |
466 | struct interface * |
467 | if_lookup_prefix (struct prefix *prefix) | |
468 | { | |
469 | return if_lookup_prefix_vrf (prefix, VRF_DEFAULT); | |
470 | } | |
471 | ||
718e3744 | 472 | /* Get interface by name if given name interface doesn't exist create |
473 | one. */ | |
474 | struct interface * | |
8736158a | 475 | if_get_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 476 | { |
477 | struct interface *ifp; | |
478 | ||
8736158a FL |
479 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp : |
480 | if_create_vrf (name, strlen(name), vrf_id); | |
a349198f | 481 | } |
482 | ||
483 | struct interface * | |
8736158a FL |
484 | if_get_by_name (const char *name) |
485 | { | |
486 | return if_get_by_name_vrf (name, VRF_DEFAULT); | |
487 | } | |
488 | ||
489 | struct interface * | |
85f9da7f | 490 | if_get_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) |
a349198f | 491 | { |
492 | struct interface *ifp; | |
85f9da7f DS |
493 | struct listnode *node; |
494 | struct vrf *vrf = NULL; | |
495 | vrf_iter_t iter; | |
496 | ||
497 | ifp = if_lookup_by_name_len_vrf (name, namelen, vrf_id); | |
498 | if (ifp) | |
499 | return ifp; | |
a349198f | 500 | |
85f9da7f DS |
501 | /* Didn't find the interface on that vrf. Defined on a different one? */ |
502 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
503 | { | |
504 | vrf = vrf_iter2vrf(iter); | |
505 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) | |
506 | { | |
507 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) | |
508 | { | |
509 | /* Found a match. If the interface command was entered in vty without a | |
510 | * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was | |
511 | * entered and there is a mismatch, reject it if from vty. If it came | |
512 | * from the kernel by way of zclient, believe it and update | |
513 | * the ifp accordingly. | |
514 | */ | |
53eadacf | 515 | if (vty) |
516 | { | |
517 | if (vrf_id == VRF_DEFAULT) | |
518 | return ifp; | |
519 | return NULL; | |
520 | } | |
85f9da7f DS |
521 | else |
522 | { | |
523 | if_update_vrf (ifp, name, namelen, vrf_id); | |
524 | return ifp; | |
525 | } | |
526 | } | |
527 | } | |
528 | } | |
529 | return (if_create_vrf (name, namelen, vrf_id)); | |
8736158a FL |
530 | } |
531 | ||
532 | struct interface * | |
533 | if_get_by_name_len (const char *name, size_t namelen) | |
534 | { | |
85f9da7f | 535 | return if_get_by_name_len_vrf (name, namelen, VRF_DEFAULT, 0); |
718e3744 | 536 | } |
537 | ||
538 | /* Does interface up ? */ | |
539 | int | |
540 | if_is_up (struct interface *ifp) | |
541 | { | |
542 | return ifp->flags & IFF_UP; | |
543 | } | |
544 | ||
2e3b2e47 | 545 | /* Is interface running? */ |
546 | int | |
547 | if_is_running (struct interface *ifp) | |
548 | { | |
549 | return ifp->flags & IFF_RUNNING; | |
550 | } | |
551 | ||
552 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
553 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
554 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 555 | int |
556 | if_is_operative (struct interface *ifp) | |
557 | { | |
558 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
559 | (((ifp->flags & IFF_RUNNING) && |
560 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
561 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
562 | } | |
563 | ||
564 | /* Is the interface operative, eg. either UP & RUNNING | |
565 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
566 | int | |
567 | if_is_no_ptm_operative (struct interface *ifp) | |
568 | { | |
569 | return ((ifp->flags & IFF_UP) && | |
570 | ((ifp->flags & IFF_RUNNING) || | |
571 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 572 | } |
573 | ||
718e3744 | 574 | /* Is this loopback interface ? */ |
575 | int | |
576 | if_is_loopback (struct interface *ifp) | |
577 | { | |
4ba9b924 | 578 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
579 | * but Y on platform N? | |
580 | */ | |
581 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 582 | } |
583 | ||
584 | /* Does this interface support broadcast ? */ | |
585 | int | |
586 | if_is_broadcast (struct interface *ifp) | |
587 | { | |
588 | return ifp->flags & IFF_BROADCAST; | |
589 | } | |
590 | ||
591 | /* Does this interface support broadcast ? */ | |
592 | int | |
593 | if_is_pointopoint (struct interface *ifp) | |
594 | { | |
595 | return ifp->flags & IFF_POINTOPOINT; | |
596 | } | |
597 | ||
598 | /* Does this interface support multicast ? */ | |
599 | int | |
600 | if_is_multicast (struct interface *ifp) | |
601 | { | |
602 | return ifp->flags & IFF_MULTICAST; | |
603 | } | |
604 | ||
605 | /* Printout flag information into log */ | |
606 | const char * | |
607 | if_flag_dump (unsigned long flag) | |
608 | { | |
609 | int separator = 0; | |
610 | static char logbuf[BUFSIZ]; | |
611 | ||
612 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 613 | if (flag & (X)) \ |
718e3744 | 614 | { \ |
615 | if (separator) \ | |
616 | strlcat (logbuf, ",", BUFSIZ); \ | |
617 | else \ | |
618 | separator = 1; \ | |
619 | strlcat (logbuf, STR, BUFSIZ); \ | |
620 | } | |
621 | ||
630c97ce | 622 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 623 | IFF_OUT_LOG (IFF_UP, "UP"); |
624 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
625 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
626 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
627 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
628 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
629 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
630 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
631 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
632 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
633 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
634 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
635 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
636 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
637 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
638 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 639 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
640 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
641 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
642 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
643 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 644 | |
645 | strlcat (logbuf, ">", BUFSIZ); | |
646 | ||
647 | return logbuf; | |
630c97ce | 648 | #undef IFF_OUT_LOG |
718e3744 | 649 | } |
650 | ||
651 | /* For debugging */ | |
8cc4198f | 652 | static void |
cedd7f2f | 653 | if_dump (const struct interface *ifp) |
718e3744 | 654 | { |
1f9a9fff PJ |
655 | struct listnode *node; |
656 | struct connected *c __attribute__((unused)); | |
657 | ||
658 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) | |
3968dbf8 | 659 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
1f9a9fff | 660 | "mtu6 %d %s", |
3968dbf8 | 661 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
1f9a9fff | 662 | ifp->mtu6, if_flag_dump (ifp->flags)); |
718e3744 | 663 | } |
664 | ||
665 | /* Interface printing for all interface. */ | |
666 | void | |
66e5cd87 | 667 | if_dump_all (void) |
718e3744 | 668 | { |
8736158a | 669 | struct list *intf_list; |
52dc7ee6 | 670 | struct listnode *node; |
1eb8ef25 | 671 | void *p; |
8736158a | 672 | vrf_iter_t iter; |
718e3744 | 673 | |
8736158a FL |
674 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
675 | if ((intf_list = vrf_iter2iflist (iter)) != NULL) | |
676 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, p)) | |
677 | if_dump (p); | |
718e3744 | 678 | } |
679 | ||
680 | DEFUN (interface_desc, | |
681 | interface_desc_cmd, | |
682 | "description .LINE", | |
683 | "Interface specific description\n" | |
684 | "Characters describing this interface\n") | |
685 | { | |
718e3744 | 686 | struct interface *ifp; |
718e3744 | 687 | |
688 | if (argc == 0) | |
689 | return CMD_SUCCESS; | |
690 | ||
691 | ifp = vty->index; | |
692 | if (ifp->desc) | |
3b8b1855 | 693 | XFREE (MTYPE_TMP, ifp->desc); |
694 | ifp->desc = argv_concat(argv, argc, 0); | |
718e3744 | 695 | |
696 | return CMD_SUCCESS; | |
697 | } | |
698 | ||
699 | DEFUN (no_interface_desc, | |
700 | no_interface_desc_cmd, | |
701 | "no description", | |
702 | NO_STR | |
703 | "Interface specific description\n") | |
704 | { | |
705 | struct interface *ifp; | |
706 | ||
707 | ifp = vty->index; | |
708 | if (ifp->desc) | |
0241684e | 709 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 710 | ifp->desc = NULL; |
711 | ||
712 | return CMD_SUCCESS; | |
713 | } | |
6b0655a2 | 714 | |
98954844 PJ |
715 | #ifdef SUNOS_5 |
716 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
717 | * a seperate struct interface for each logical interface, so config | |
718 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
719 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
720 | * interfaces can be fruitless, for that reason Quagga only tracks | |
721 | * the primary IP interface. | |
722 | * | |
723 | * We try accomodate SUNWzebra by: | |
724 | * - looking up the interface name, to see whether it exists, if so | |
725 | * its useable | |
726 | * - for protocol daemons, this could only because zebra told us of | |
727 | * the interface | |
728 | * - for zebra, only because it learnt from kernel | |
729 | * - if not: | |
730 | * - search the name to see if it contains a sub-ipif / logical interface | |
731 | * seperator, the ':' char. If it does: | |
732 | * - text up to that char must be the primary name - get that name. | |
733 | * if not: | |
734 | * - no idea, just get the name in its entirety. | |
735 | */ | |
736 | static struct interface * | |
8736158a | 737 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
738 | { |
739 | struct interface *ifp; | |
740 | size_t seppos = 0; | |
718e3744 | 741 | |
8736158a | 742 | if ( (ifp = if_lookup_by_name_len_vrf (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
743 | return ifp; |
744 | ||
745 | /* hunt the primary interface name... */ | |
746 | while (seppos < nlen && name[seppos] != ':') | |
747 | seppos++; | |
748 | ||
749 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
750 | if (seppos < nlen) | |
85f9da7f | 751 | return if_get_by_name_len_vrf (name, seppos, vrf_id, 1); |
98954844 | 752 | else |
85f9da7f | 753 | return if_get_by_name_len_vrf (name, nlen, vrf_id, 1); |
98954844 PJ |
754 | } |
755 | #endif /* SUNOS_5 */ | |
6b0655a2 | 756 | |
718e3744 | 757 | DEFUN (interface, |
758 | interface_cmd, | |
759 | "interface IFNAME", | |
760 | "Select an interface to configure\n" | |
761 | "Interface's name\n") | |
762 | { | |
763 | struct interface *ifp; | |
d2fc8896 | 764 | size_t sl; |
8736158a | 765 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 766 | |
767 | if ((sl = strlen(argv[0])) > INTERFACE_NAMSIZ) | |
768 | { | |
769 | vty_out (vty, "%% Interface name %s is invalid: length exceeds " | |
770 | "%d characters%s", | |
771 | argv[0], INTERFACE_NAMSIZ, VTY_NEWLINE); | |
772 | return CMD_WARNING; | |
773 | } | |
718e3744 | 774 | |
f93e3f69 DS |
775 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
776 | Imagine forward reference of a vrf by name in this interface config */ | |
cd2a8a42 | 777 | if (argc > 1) |
f93e3f69 | 778 | VRF_GET_ID (vrf_id, argv[1]); |
cd2a8a42 | 779 | |
98954844 | 780 | #ifdef SUNOS_5 |
8736158a | 781 | ifp = if_sunwzebra_get (argv[0], sl, vrf_id); |
98954844 | 782 | #else |
85f9da7f | 783 | ifp = if_get_by_name_len_vrf (argv[0], sl, vrf_id, 1); |
98954844 | 784 | #endif /* SUNOS_5 */ |
718e3744 | 785 | |
85f9da7f DS |
786 | if (!ifp) |
787 | { | |
788 | vty_out (vty, "%% interface %s not in %s%s", argv[0], argv[1], VTY_NEWLINE); | |
789 | return CMD_WARNING; | |
790 | } | |
718e3744 | 791 | vty->index = ifp; |
792 | vty->node = INTERFACE_NODE; | |
793 | ||
794 | return CMD_SUCCESS; | |
795 | } | |
796 | ||
cd2a8a42 FL |
797 | ALIAS (interface, |
798 | interface_vrf_cmd, | |
799 | "interface IFNAME " VRF_CMD_STR, | |
800 | "Select an interface to configure\n" | |
801 | "Interface's name\n" | |
802 | VRF_CMD_HELP_STR) | |
803 | ||
32d2463c | 804 | DEFUN_NOSH (no_interface, |
805 | no_interface_cmd, | |
806 | "no interface IFNAME", | |
807 | NO_STR | |
808 | "Delete a pseudo interface's configuration\n" | |
809 | "Interface's name\n") | |
810 | { | |
811 | // deleting interface | |
812 | struct interface *ifp; | |
8736158a | 813 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 814 | |
cd2a8a42 | 815 | if (argc > 1) |
f93e3f69 | 816 | VRF_GET_ID (vrf_id, argv[1]); |
cd2a8a42 | 817 | |
8736158a | 818 | ifp = if_lookup_by_name_vrf (argv[0], vrf_id); |
32d2463c | 819 | |
820 | if (ifp == NULL) | |
d2fc8896 | 821 | { |
822 | vty_out (vty, "%% Interface %s does not exist%s", argv[0], VTY_NEWLINE); | |
823 | return CMD_WARNING; | |
824 | } | |
32d2463c | 825 | |
bfc13532 | 826 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 827 | { |
828 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
829 | VTY_NEWLINE); | |
830 | return CMD_WARNING; | |
831 | } | |
32d2463c | 832 | |
833 | if_delete(ifp); | |
834 | ||
835 | return CMD_SUCCESS; | |
836 | } | |
837 | ||
cd2a8a42 FL |
838 | ALIAS (no_interface, |
839 | no_interface_vrf_cmd, | |
840 | "no interface IFNAME " VRF_CMD_STR, | |
841 | NO_STR | |
842 | "Delete a pseudo interface's configuration\n" | |
843 | "Interface's name\n" | |
844 | VRF_CMD_HELP_STR) | |
845 | ||
f93e3f69 DS |
846 | DEFUN (vrf, |
847 | vrf_cmd, | |
848 | "vrf NAME", | |
849 | "Select a VRF to configure\n" | |
850 | "VRF's name\n") | |
851 | { | |
852 | struct vrf *vrfp; | |
853 | size_t sl; | |
854 | ||
855 | if ((sl = strlen(argv[0])) > VRF_NAMSIZ) | |
856 | { | |
857 | vty_out (vty, "%% VRF name %s is invalid: length exceeds " | |
858 | "%d characters%s", | |
859 | argv[0], VRF_NAMSIZ, VTY_NEWLINE); | |
860 | return CMD_WARNING; | |
861 | } | |
862 | ||
58255d34 | 863 | vrfp = vrf_get (VRF_UNKNOWN, argv[0]); |
f93e3f69 DS |
864 | |
865 | vty->index = vrfp; | |
866 | vty->node = VRF_NODE; | |
867 | ||
868 | return CMD_SUCCESS; | |
869 | } | |
870 | ||
871 | DEFUN_NOSH (no_vrf, | |
872 | no_vrf_cmd, | |
873 | "no vrf NAME", | |
874 | NO_STR | |
875 | "Delete a pseudo VRF's configuration\n" | |
876 | "VRF's name\n") | |
877 | { | |
878 | struct vrf *vrfp; | |
879 | ||
880 | vrfp = vrf_list_lookup_by_name (argv[0]); | |
881 | ||
882 | if (vrfp == NULL) | |
883 | { | |
884 | vty_out (vty, "%% VRF %s does not exist%s", argv[0], VTY_NEWLINE); | |
885 | return CMD_WARNING; | |
886 | } | |
887 | ||
79694123 | 888 | if (CHECK_FLAG (vrfp->status, VRF_ACTIVE)) |
f93e3f69 DS |
889 | { |
890 | vty_out (vty, "%% Only inactive VRFs can be deleted%s", | |
891 | VTY_NEWLINE); | |
892 | return CMD_WARNING; | |
893 | } | |
894 | ||
895 | vrf_delete(vrfp); | |
896 | ||
897 | return CMD_SUCCESS; | |
898 | } | |
899 | ||
900 | ||
718e3744 | 901 | /* For debug purpose. */ |
902 | DEFUN (show_address, | |
903 | show_address_cmd, | |
904 | "show address", | |
905 | SHOW_STR | |
906 | "address\n") | |
907 | { | |
52dc7ee6 | 908 | struct listnode *node; |
909 | struct listnode *node2; | |
718e3744 | 910 | struct interface *ifp; |
911 | struct connected *ifc; | |
912 | struct prefix *p; | |
8736158a | 913 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 914 | |
8736158a | 915 | if (argc > 0) |
f93e3f69 | 916 | VRF_GET_ID (vrf_id, argv[0]); |
8736158a FL |
917 | |
918 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 919 | { |
1eb8ef25 | 920 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 921 | { |
718e3744 | 922 | p = ifc->address; |
923 | ||
924 | if (p->family == AF_INET) | |
925 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
926 | VTY_NEWLINE); | |
927 | } | |
928 | } | |
929 | return CMD_SUCCESS; | |
930 | } | |
931 | ||
8736158a FL |
932 | ALIAS (show_address, |
933 | show_address_vrf_cmd, | |
934 | "show address " VRF_CMD_STR, | |
935 | SHOW_STR | |
936 | "address\n" | |
937 | VRF_CMD_HELP_STR) | |
938 | ||
939 | DEFUN (show_address_vrf_all, | |
940 | show_address_vrf_all_cmd, | |
941 | "show address " VRF_ALL_CMD_STR, | |
942 | SHOW_STR | |
943 | "address\n" | |
944 | VRF_ALL_CMD_HELP_STR) | |
945 | { | |
946 | struct list *intf_list; | |
947 | struct listnode *node; | |
948 | struct listnode *node2; | |
949 | struct interface *ifp; | |
950 | struct connected *ifc; | |
951 | struct prefix *p; | |
952 | vrf_iter_t iter; | |
953 | ||
954 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
955 | { | |
956 | intf_list = vrf_iter2iflist (iter); | |
957 | if (!intf_list || !listcount (intf_list)) | |
958 | continue; | |
959 | ||
960 | vty_out (vty, "%sVRF %u%s%s", VTY_NEWLINE, vrf_iter2id (iter), | |
961 | VTY_NEWLINE, VTY_NEWLINE); | |
962 | ||
963 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, ifp)) | |
964 | { | |
965 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
966 | { | |
967 | p = ifc->address; | |
968 | ||
969 | if (p->family == AF_INET) | |
970 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
971 | VTY_NEWLINE); | |
972 | } | |
973 | } | |
974 | } | |
975 | return CMD_SUCCESS; | |
976 | } | |
977 | ||
718e3744 | 978 | /* Allocate connected structure. */ |
979 | struct connected * | |
8cc4198f | 980 | connected_new (void) |
718e3744 | 981 | { |
393deb9b | 982 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 983 | } |
984 | ||
a80beece DS |
985 | /* Allocate nbr connected structure. */ |
986 | struct nbr_connected * | |
987 | nbr_connected_new (void) | |
988 | { | |
989 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
990 | } | |
991 | ||
718e3744 | 992 | /* Free connected structure. */ |
993 | void | |
994 | connected_free (struct connected *connected) | |
995 | { | |
996 | if (connected->address) | |
997 | prefix_free (connected->address); | |
998 | ||
999 | if (connected->destination) | |
1000 | prefix_free (connected->destination); | |
1001 | ||
1002 | if (connected->label) | |
9c4f1c6f | 1003 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 1004 | |
1005 | XFREE (MTYPE_CONNECTED, connected); | |
1006 | } | |
1007 | ||
a80beece DS |
1008 | /* Free nbr connected structure. */ |
1009 | void | |
1010 | nbr_connected_free (struct nbr_connected *connected) | |
1011 | { | |
1012 | if (connected->address) | |
1013 | prefix_free (connected->address); | |
1014 | ||
1015 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
1016 | } | |
1017 | ||
1018 | /* If same interface nbr address already exists... */ | |
1019 | struct nbr_connected * | |
1020 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
1021 | { | |
1022 | struct nbr_connected *ifc; | |
1023 | struct listnode *node; | |
1024 | ||
1025 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
1026 | if (prefix_same (ifc->address, p)) | |
1027 | return ifc; | |
1028 | ||
1029 | return NULL; | |
1030 | } | |
1031 | ||
718e3744 | 1032 | /* Print if_addr structure. */ |
8cc4198f | 1033 | static void __attribute__ ((unused)) |
718e3744 | 1034 | connected_log (struct connected *connected, char *str) |
1035 | { | |
1036 | struct prefix *p; | |
1037 | struct interface *ifp; | |
1038 | char logbuf[BUFSIZ]; | |
1039 | char buf[BUFSIZ]; | |
1040 | ||
1041 | ifp = connected->ifp; | |
1042 | p = connected->address; | |
1043 | ||
3968dbf8 FL |
1044 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
1045 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 1046 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
1047 | p->prefixlen); | |
1048 | ||
1049 | p = connected->destination; | |
1050 | if (p) | |
1051 | { | |
1052 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1053 | BUFSIZ - strlen(logbuf)); | |
1054 | } | |
fc95186c | 1055 | zlog (NULL, LOG_INFO, "%s", logbuf); |
718e3744 | 1056 | } |
1057 | ||
a80beece DS |
1058 | /* Print if_addr structure. */ |
1059 | static void __attribute__ ((unused)) | |
1060 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
1061 | { | |
1062 | struct prefix *p; | |
1063 | struct interface *ifp; | |
1064 | char logbuf[BUFSIZ]; | |
1065 | char buf[BUFSIZ]; | |
1066 | ||
1067 | ifp = connected->ifp; | |
1068 | p = connected->address; | |
1069 | ||
1070 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
1071 | str, ifp->name, prefix_family_str (p), | |
1072 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1073 | p->prefixlen); | |
1074 | ||
1075 | zlog (NULL, LOG_INFO, "%s", logbuf); | |
1076 | } | |
1077 | ||
718e3744 | 1078 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 1079 | static int |
718e3744 | 1080 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
1081 | { | |
1082 | if (p1->family == p2->family) | |
1083 | { | |
1084 | if (p1->family == AF_INET && | |
1085 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
1086 | return 1; | |
1087 | #ifdef HAVE_IPV6 | |
1088 | if (p1->family == AF_INET6 && | |
1089 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
1090 | return 1; | |
1091 | #endif /* HAVE_IPV6 */ | |
1092 | } | |
1093 | return 0; | |
1094 | } | |
1095 | ||
38485402 DS |
1096 | struct connected * |
1097 | connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) | |
1098 | { | |
1099 | struct listnode *node; | |
1100 | struct listnode *next; | |
1101 | struct connected *ifc; | |
1102 | ||
1103 | for (node = listhead (ifp->connected); node; node = next) | |
1104 | { | |
1105 | ifc = listgetdata (node); | |
1106 | next = node->next; | |
1107 | ||
1108 | if (connected_same_prefix (ifc->address, p)) | |
1109 | return ifc; | |
1110 | } | |
1111 | return NULL; | |
1112 | } | |
1113 | ||
718e3744 | 1114 | struct connected * |
1115 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
1116 | { | |
1117 | struct listnode *node; | |
1118 | struct listnode *next; | |
1119 | struct connected *ifc; | |
1120 | ||
1121 | /* In case of same prefix come, replace it with new one. */ | |
1122 | for (node = listhead (ifp->connected); node; node = next) | |
1123 | { | |
1eb8ef25 | 1124 | ifc = listgetdata (node); |
718e3744 | 1125 | next = node->next; |
1126 | ||
1127 | if (connected_same_prefix (ifc->address, p)) | |
1128 | { | |
1129 | listnode_delete (ifp->connected, ifc); | |
1130 | return ifc; | |
1131 | } | |
1132 | } | |
1133 | return NULL; | |
1134 | } | |
1135 | ||
bd40c341 | 1136 | /* Find the address on our side that will be used when packets |
727d104b | 1137 | are sent to dst. */ |
1138 | struct connected * | |
bd40c341 | 1139 | connected_lookup_prefix (struct interface *ifp, struct prefix *addr) |
727d104b | 1140 | { |
52dc7ee6 | 1141 | struct listnode *cnode; |
727d104b | 1142 | struct connected *c; |
1143 | struct connected *match; | |
1144 | ||
727d104b | 1145 | match = NULL; |
1146 | ||
1eb8ef25 | 1147 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1148 | { |
bd40c341 DS |
1149 | if (c->address && (c->address->family == addr->family) && |
1150 | prefix_match(CONNECTED_PREFIX(c), addr) && | |
e4529636 AS |
1151 | (!match || (c->address->prefixlen > match->address->prefixlen))) |
1152 | match = c; | |
727d104b | 1153 | } |
1154 | return match; | |
1155 | } | |
1156 | ||
4a7aac1b | 1157 | struct connected * |
1158 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1159 | struct prefix *destination) | |
1160 | { | |
1161 | struct connected *ifc; | |
1162 | ||
1163 | /* Allocate new connected address. */ | |
1164 | ifc = connected_new (); | |
1165 | ifc->ifp = ifp; | |
1166 | ||
1167 | /* Fetch interface address */ | |
1168 | ifc->address = prefix_new(); | |
1169 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1170 | ||
1171 | /* Fetch dest address */ | |
3fb9cd6e | 1172 | if (destination) |
1173 | { | |
1174 | ifc->destination = prefix_new(); | |
1175 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1176 | } | |
4a7aac1b | 1177 | |
1178 | /* Add connected address to the interface. */ | |
1179 | listnode_add (ifp->connected, ifc); | |
1180 | return ifc; | |
1181 | } | |
1182 | ||
718e3744 | 1183 | #ifndef HAVE_IF_NAMETOINDEX |
b892f1dd | 1184 | ifindex_t |
718e3744 | 1185 | if_nametoindex (const char *name) |
1186 | { | |
718e3744 | 1187 | struct interface *ifp; |
1188 | ||
018546e9 | 1189 | return ((ifp = if_lookup_by_name_len(name, strnlen(name, IFNAMSIZ))) != NULL) |
1190 | ? ifp->ifindex : 0; | |
718e3744 | 1191 | } |
1192 | #endif | |
1193 | ||
1194 | #ifndef HAVE_IF_INDEXTONAME | |
1195 | char * | |
b892f1dd | 1196 | if_indextoname (ifindex_t ifindex, char *name) |
718e3744 | 1197 | { |
718e3744 | 1198 | struct interface *ifp; |
1199 | ||
d2fc8896 | 1200 | if (!(ifp = if_lookup_by_index(ifindex))) |
1201 | return NULL; | |
1202 | strncpy (name, ifp->name, IFNAMSIZ); | |
1203 | return ifp->name; | |
718e3744 | 1204 | } |
1205 | #endif | |
6b0655a2 | 1206 | |
8cc4198f | 1207 | #if 0 /* this route_table of struct connected's is unused |
1208 | * however, it would be good to use a route_table rather than | |
1209 | * a list.. | |
1210 | */ | |
718e3744 | 1211 | /* Interface looking up by interface's address. */ |
718e3744 | 1212 | /* Interface's IPv4 address reverse lookup table. */ |
1213 | struct route_table *ifaddr_ipv4_table; | |
1214 | /* struct route_table *ifaddr_ipv6_table; */ | |
1215 | ||
8cc4198f | 1216 | static void |
718e3744 | 1217 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1218 | { | |
1219 | struct route_node *rn; | |
1220 | struct prefix_ipv4 p; | |
1221 | ||
1222 | p.family = AF_INET; | |
1223 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1224 | p.prefix = *ifaddr; | |
1225 | ||
1226 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1227 | if (rn) | |
1228 | { | |
1229 | route_unlock_node (rn); | |
1230 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1231 | inet_ntoa (*ifaddr)); | |
1232 | return; | |
1233 | } | |
1234 | rn->info = ifp; | |
1235 | } | |
1236 | ||
8cc4198f | 1237 | static void |
718e3744 | 1238 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1239 | { | |
1240 | struct route_node *rn; | |
1241 | struct prefix_ipv4 p; | |
1242 | ||
1243 | p.family = AF_INET; | |
1244 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1245 | p.prefix = *ifaddr; | |
1246 | ||
1247 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1248 | if (! rn) | |
1249 | { | |
1250 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1251 | inet_ntoa (*ifaddr)); | |
1252 | return; | |
1253 | } | |
1254 | rn->info = NULL; | |
1255 | route_unlock_node (rn); | |
1256 | route_unlock_node (rn); | |
1257 | } | |
1258 | ||
1259 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1260 | static struct interface * |
b892f1dd | 1261 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1262 | { |
1263 | struct prefix_ipv4 p; | |
1264 | struct route_node *rn; | |
1265 | struct interface *ifp; | |
718e3744 | 1266 | |
1267 | if (addr) | |
1268 | { | |
1269 | p.family = AF_INET; | |
1270 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1271 | p.prefix = *addr; | |
1272 | ||
1273 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1274 | if (! rn) | |
1275 | return NULL; | |
1276 | ||
1277 | ifp = rn->info; | |
1278 | route_unlock_node (rn); | |
1279 | return ifp; | |
1280 | } | |
1281 | else | |
d2fc8896 | 1282 | return if_lookup_by_index(ifindex); |
718e3744 | 1283 | } |
8cc4198f | 1284 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1285 | |
1286 | /* Initialize interface list. */ | |
1287 | void | |
b2d7c082 | 1288 | if_init (struct list **intf_list) |
718e3744 | 1289 | { |
8736158a | 1290 | *intf_list = list_new (); |
8cc4198f | 1291 | #if 0 |
718e3744 | 1292 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1293 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1294 | |
8736158a | 1295 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
718e3744 | 1296 | } |
4bd045d5 TG |
1297 | |
1298 | void | |
b2d7c082 | 1299 | if_terminate (struct list **intf_list) |
4bd045d5 TG |
1300 | { |
1301 | for (;;) | |
1302 | { | |
1303 | struct interface *ifp; | |
1304 | ||
8736158a | 1305 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1306 | if (ifp == NULL) |
1307 | break; | |
1308 | ||
3f6d6a5d DS |
1309 | if (ifp->node) |
1310 | { | |
1311 | ifp->node->info = NULL; | |
1312 | route_unlock_node (ifp->node); | |
1313 | } | |
1314 | ||
4bd045d5 TG |
1315 | if_delete (ifp); |
1316 | } | |
1317 | ||
8736158a FL |
1318 | list_delete (*intf_list); |
1319 | *intf_list = NULL; | |
4bd045d5 | 1320 | } |
8ccc7e80 TT |
1321 | |
1322 | const char * | |
1323 | if_link_type_str (enum zebra_link_type llt) | |
1324 | { | |
1325 | switch (llt) | |
1326 | { | |
1327 | #define llts(T,S) case (T): return (S) | |
1328 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); | |
1329 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1330 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1331 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1332 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1333 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1334 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1335 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1336 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1337 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1338 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1339 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1340 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1341 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1342 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1343 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1344 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1345 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1346 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1347 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1348 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1349 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1350 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1351 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1352 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1353 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1354 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1355 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1356 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1357 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1358 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1359 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1360 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1361 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1362 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1363 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1364 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1365 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1366 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1367 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1368 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1369 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1370 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1371 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1372 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1373 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1374 | default: | |
1375 | zlog_warn ("Unknown value %d", llt); | |
1376 | return "Unknown type!"; | |
1377 | #undef llts | |
1378 | } | |
1379 | return NULL; | |
1380 | } | |
16f1b9ee OD |
1381 | |
1382 | struct if_link_params * | |
1383 | if_link_params_get (struct interface *ifp) | |
1384 | { | |
1385 | int i; | |
1386 | ||
1387 | if (ifp->link_params != NULL) | |
1388 | return ifp->link_params; | |
1389 | ||
1390 | struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, | |
1391 | sizeof (struct if_link_params)); | |
1392 | if (iflp == NULL) return NULL; | |
1393 | ||
1394 | /* Set TE metric == standard metric */ | |
1395 | iflp->te_metric = ifp->metric; | |
1396 | ||
1397 | /* Compute default bandwidth based on interface */ | |
1398 | int bw = (float)((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1399 | * TE_KILO_BIT / TE_BYTE); | |
1400 | ||
1401 | /* Set Max, Reservable and Unreserved Bandwidth */ | |
1402 | iflp->max_bw = bw; | |
1403 | iflp->max_rsv_bw = bw; | |
1404 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1405 | iflp->unrsv_bw[i] = bw; | |
1406 | ||
1407 | /* Update Link parameters status */ | |
1408 | iflp->lp_status = LP_TE | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
1409 | ||
1410 | /* Finally attach newly created Link Parameters */ | |
1411 | ifp->link_params = iflp; | |
1412 | ||
1413 | return iflp; | |
1414 | } | |
1415 | ||
1416 | void | |
1417 | if_link_params_free (struct interface *ifp) | |
1418 | { | |
1419 | if (ifp->link_params == NULL) return; | |
1420 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1421 | ifp->link_params = NULL; | |
1422 | } |