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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 | ||
8736158a | 46 | /* List of interfaces in only the default VRF */ |
244c1cdc | 47 | int ptm_enable = 0; |
718e3744 | 48 | |
49 | /* One for each program. This structure is needed to store hooks. */ | |
50 | struct if_master | |
51 | { | |
52 | int (*if_new_hook) (struct interface *); | |
53 | int (*if_delete_hook) (struct interface *); | |
8736158a | 54 | } if_master = {0,}; |
6b0655a2 | 55 | |
3a0391a9 | 56 | /* Compare interface names, returning an integer greater than, equal to, or |
57 | * less than 0, (following the strcmp convention), according to the | |
58 | * relationship between ifp1 and ifp2. Interface names consist of an | |
59 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
60 | * lexicographic by name, and then numeric by number. No number sorts | |
61 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
62 | * devpty0, de0 < del0 | |
63 | */ | |
106d2fd5 | 64 | int |
974fc9d2 | 65 | if_cmp_name_func (char *p1, char *p2) |
106d2fd5 | 66 | { |
67 | unsigned int l1, l2; | |
68 | long int x1, x2; | |
106d2fd5 | 69 | int res; |
70 | ||
90578521 | 71 | while (*p1 && *p2) { |
106d2fd5 | 72 | /* look up to any number */ |
73 | l1 = strcspn(p1, "0123456789"); | |
74 | l2 = strcspn(p2, "0123456789"); | |
75 | ||
76 | /* name lengths are different -> compare names */ | |
77 | if (l1 != l2) | |
78 | return (strcmp(p1, p2)); | |
79 | ||
3a0391a9 | 80 | /* Note that this relies on all numbers being less than all letters, so |
81 | * that de0 < del0. | |
82 | */ | |
106d2fd5 | 83 | res = strncmp(p1, p2, l1); |
84 | ||
85 | /* names are different -> compare them */ | |
86 | if (res) | |
87 | return res; | |
88 | ||
89 | /* with identical name part, go to numeric part */ | |
106d2fd5 | 90 | p1 += l1; |
91 | p2 += l1; | |
92 | ||
b06c14f2 | 93 | if (!*p1) |
94 | return -1; | |
95 | if (!*p2) | |
96 | return 1; | |
97 | ||
106d2fd5 | 98 | x1 = strtol(p1, &p1, 10); |
99 | x2 = strtol(p2, &p2, 10); | |
100 | ||
101 | /* let's compare numbers now */ | |
102 | if (x1 < x2) | |
103 | return -1; | |
104 | if (x1 > x2) | |
105 | return 1; | |
106 | ||
107 | /* numbers were equal, lets do it again.. | |
108 | (it happens with name like "eth123.456:789") */ | |
109 | } | |
90578521 | 110 | if (*p1) |
111 | return 1; | |
112 | if (*p2) | |
113 | return -1; | |
114 | return 0; | |
106d2fd5 | 115 | } |
116 | ||
974fc9d2 DS |
117 | static int |
118 | if_cmp_func (struct interface *ifp1, struct interface *ifp2) | |
119 | { | |
120 | return if_cmp_name_func (ifp1->name, ifp2->name); | |
121 | } | |
122 | ||
718e3744 | 123 | /* Create new interface structure. */ |
718e3744 | 124 | struct interface * |
8736158a | 125 | if_create_vrf (const char *name, int namelen, vrf_id_t vrf_id) |
718e3744 | 126 | { |
127 | struct interface *ifp; | |
8736158a | 128 | struct list *intf_list = vrf_iflist_get (vrf_id); |
718e3744 | 129 | |
d2fc8896 | 130 | ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); |
131 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 132 | |
106d2fd5 | 133 | assert (name); |
d2fc8896 | 134 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ |
106d2fd5 | 135 | strncpy (ifp->name, name, namelen); |
d2fc8896 | 136 | ifp->name[namelen] = '\0'; |
8736158a FL |
137 | ifp->vrf_id = vrf_id; |
138 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
139 | listnode_add_sort (intf_list, ifp); | |
d2fc8896 | 140 | else |
141 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
8736158a | 142 | "name exists already in VRF %u!", ifp->name, vrf_id); |
718e3744 | 143 | ifp->connected = list_new (); |
144 | ifp->connected->del = (void (*) (void *)) connected_free; | |
145 | ||
a80beece DS |
146 | ifp->nbr_connected = list_new (); |
147 | ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; | |
148 | ||
c9506a0a DS |
149 | /* Enable Link-detection by default */ |
150 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
151 | ||
718e3744 | 152 | if (if_master.if_new_hook) |
153 | (*if_master.if_new_hook) (ifp); | |
154 | ||
155 | return ifp; | |
156 | } | |
157 | ||
8736158a FL |
158 | struct interface * |
159 | if_create (const char *name, int namelen) | |
160 | { | |
161 | return if_create_vrf (name, namelen, VRF_DEFAULT); | |
162 | } | |
163 | ||
f93e3f69 DS |
164 | /* Create new interface structure. */ |
165 | void | |
166 | if_update_vrf (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) | |
167 | { | |
168 | struct list *intf_list = vrf_iflist_get (vrf_id); | |
169 | ||
170 | /* remove interface from old master vrf list */ | |
171 | if (vrf_iflist (ifp->vrf_id)) | |
172 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); | |
173 | ||
174 | assert (name); | |
175 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ | |
176 | strncpy (ifp->name, name, namelen); | |
177 | ifp->name[namelen] = '\0'; | |
178 | ifp->vrf_id = vrf_id; | |
179 | if (if_lookup_by_name_vrf (ifp->name, vrf_id) == NULL) | |
180 | listnode_add_sort (intf_list, ifp); | |
181 | else | |
182 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
183 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
184 | ||
185 | return; | |
186 | } | |
187 | ||
188 | ||
d2fc8896 | 189 | /* Delete interface structure. */ |
718e3744 | 190 | void |
d2fc8896 | 191 | if_delete_retain (struct interface *ifp) |
718e3744 | 192 | { |
718e3744 | 193 | if (if_master.if_delete_hook) |
194 | (*if_master.if_delete_hook) (ifp); | |
195 | ||
196 | /* Free connected address list */ | |
2dd04c5d | 197 | list_delete_all_node (ifp->connected); |
a80beece DS |
198 | |
199 | /* Free connected nbr address list */ | |
200 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 201 | } |
202 | ||
203 | /* Delete and free interface structure. */ | |
204 | void | |
205 | if_delete (struct interface *ifp) | |
206 | { | |
8736158a | 207 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 208 | |
209 | if_delete_retain(ifp); | |
718e3744 | 210 | |
2dd04c5d | 211 | list_free (ifp->connected); |
a80beece | 212 | list_free (ifp->nbr_connected); |
2dd04c5d | 213 | |
16f1b9ee OD |
214 | if_link_params_free (ifp); |
215 | ||
718e3744 | 216 | XFREE (MTYPE_IF, ifp); |
217 | } | |
218 | ||
219 | /* Add hook to interface master. */ | |
220 | void | |
221 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
222 | { | |
223 | switch (type) { | |
224 | case IF_NEW_HOOK: | |
225 | if_master.if_new_hook = func; | |
226 | break; | |
227 | case IF_DELETE_HOOK: | |
228 | if_master.if_delete_hook = func; | |
229 | break; | |
230 | default: | |
231 | break; | |
232 | } | |
233 | } | |
234 | ||
235 | /* Interface existance check by index. */ | |
236 | struct interface * | |
b892f1dd | 237 | if_lookup_by_index_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 238 | { |
52dc7ee6 | 239 | struct listnode *node; |
718e3744 | 240 | struct interface *ifp; |
241 | ||
8736158a | 242 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 243 | { |
b892f1dd | 244 | if (ifp->ifindex == ifindex) |
718e3744 | 245 | return ifp; |
246 | } | |
247 | return NULL; | |
248 | } | |
249 | ||
8736158a | 250 | struct interface * |
b892f1dd | 251 | if_lookup_by_index (ifindex_t ifindex) |
8736158a | 252 | { |
b892f1dd | 253 | return if_lookup_by_index_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
254 | } |
255 | ||
8cc4198f | 256 | const char * |
b892f1dd | 257 | ifindex2ifname_vrf (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 258 | { |
718e3744 | 259 | struct interface *ifp; |
260 | ||
b892f1dd | 261 | return ((ifp = if_lookup_by_index_vrf (ifindex, vrf_id)) != NULL) ? |
8cc4198f | 262 | ifp->name : "unknown"; |
d2fc8896 | 263 | } |
264 | ||
8736158a | 265 | const char * |
b892f1dd | 266 | ifindex2ifname (ifindex_t ifindex) |
8736158a | 267 | { |
b892f1dd | 268 | return ifindex2ifname_vrf (ifindex, VRF_DEFAULT); |
8736158a FL |
269 | } |
270 | ||
b892f1dd | 271 | ifindex_t |
8736158a | 272 | ifname2ifindex_vrf (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 273 | { |
274 | struct interface *ifp; | |
275 | ||
8736158a | 276 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 277 | : IFINDEX_INTERNAL; |
718e3744 | 278 | } |
279 | ||
b892f1dd | 280 | ifindex_t |
8736158a FL |
281 | ifname2ifindex (const char *name) |
282 | { | |
283 | return ifname2ifindex_vrf (name, VRF_DEFAULT); | |
284 | } | |
285 | ||
718e3744 | 286 | /* Interface existance check by interface name. */ |
287 | struct interface * | |
8736158a | 288 | if_lookup_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 289 | { |
52dc7ee6 | 290 | struct listnode *node; |
718e3744 | 291 | struct interface *ifp; |
3e4ee959 PJ |
292 | |
293 | if (name) | |
8736158a | 294 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
295 | { |
296 | if (strcmp(name, ifp->name) == 0) | |
297 | return ifp; | |
298 | } | |
718e3744 | 299 | return NULL; |
300 | } | |
301 | ||
f8962871 DS |
302 | struct interface * |
303 | if_lookup_by_name_all_vrf (const char *name) | |
304 | { | |
305 | struct interface *ifp; | |
306 | struct vrf *vrf = NULL; | |
307 | vrf_iter_t iter; | |
308 | ||
309 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
310 | { | |
311 | vrf = vrf_iter2vrf (iter); | |
312 | ifp = if_lookup_by_name_vrf (name, vrf->vrf_id); | |
313 | if (ifp) | |
314 | return ifp; | |
315 | } | |
316 | ||
317 | return NULL; | |
318 | } | |
319 | ||
a349198f | 320 | struct interface * |
8736158a FL |
321 | if_lookup_by_name (const char *name) |
322 | { | |
323 | return if_lookup_by_name_vrf (name, VRF_DEFAULT); | |
324 | } | |
325 | ||
326 | struct interface * | |
327 | if_lookup_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id) | |
a349198f | 328 | { |
329 | struct listnode *node; | |
1eb8ef25 | 330 | struct interface *ifp; |
a349198f | 331 | |
332 | if (namelen > INTERFACE_NAMSIZ) | |
333 | return NULL; | |
334 | ||
8736158a | 335 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 336 | { |
a349198f | 337 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
338 | return ifp; | |
339 | } | |
340 | return NULL; | |
341 | } | |
342 | ||
8736158a FL |
343 | struct interface * |
344 | if_lookup_by_name_len(const char *name, size_t namelen) | |
345 | { | |
346 | return if_lookup_by_name_len_vrf (name, namelen, VRF_DEFAULT); | |
347 | } | |
348 | ||
718e3744 | 349 | /* Lookup interface by IPv4 address. */ |
350 | struct interface * | |
8736158a | 351 | if_lookup_exact_address_vrf (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 352 | { |
52dc7ee6 | 353 | struct listnode *node; |
354 | struct listnode *cnode; | |
718e3744 | 355 | struct interface *ifp; |
356 | struct prefix *p; | |
357 | struct connected *c; | |
358 | ||
8736158a | 359 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 360 | { |
1eb8ef25 | 361 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 362 | { |
718e3744 | 363 | p = c->address; |
364 | ||
0aabccc0 | 365 | if (p && (p->family == family)) |
718e3744 | 366 | { |
0aabccc0 DD |
367 | if (family == AF_INET) |
368 | { | |
369 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
370 | return ifp; | |
371 | } | |
372 | else if (family == AF_INET6) | |
373 | { | |
374 | if (IPV6_ADDR_SAME (&p->u.prefix4, (struct in6_addr *)src)) | |
375 | return ifp; | |
376 | } | |
377 | } | |
718e3744 | 378 | } |
379 | } | |
380 | return NULL; | |
381 | } | |
382 | ||
8736158a FL |
383 | struct interface * |
384 | if_lookup_exact_address (void *src, int family) | |
385 | { | |
386 | return if_lookup_exact_address_vrf (src, family, VRF_DEFAULT); | |
387 | } | |
388 | ||
718e3744 | 389 | /* Lookup interface by IPv4 address. */ |
390 | struct interface * | |
8736158a | 391 | if_lookup_address_vrf (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 392 | { |
52dc7ee6 | 393 | struct listnode *node; |
718e3744 | 394 | struct prefix addr; |
3fb9cd6e | 395 | int bestlen = 0; |
52dc7ee6 | 396 | struct listnode *cnode; |
718e3744 | 397 | struct interface *ifp; |
718e3744 | 398 | struct connected *c; |
399 | struct interface *match; | |
400 | ||
0aabccc0 DD |
401 | if (family == AF_INET) |
402 | { | |
403 | addr.family = AF_INET; | |
404 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
405 | addr.prefixlen = IPV4_MAX_BITLEN; | |
406 | } | |
407 | else if (family == AF_INET6) | |
408 | { | |
409 | addr.family = AF_INET6; | |
410 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
411 | addr.prefixlen = IPV6_MAX_BITLEN; | |
412 | } | |
718e3744 | 413 | |
414 | match = NULL; | |
415 | ||
8736158a | 416 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 417 | { |
1eb8ef25 | 418 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 419 | { |
e4529636 AS |
420 | if (c->address && (c->address->family == AF_INET) && |
421 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
422 | (c->address->prefixlen > bestlen)) | |
718e3744 | 423 | { |
e4529636 AS |
424 | bestlen = c->address->prefixlen; |
425 | match = ifp; | |
718e3744 | 426 | } |
427 | } | |
428 | } | |
429 | return match; | |
430 | } | |
431 | ||
8736158a FL |
432 | struct interface * |
433 | if_lookup_address (void *matchaddr, int family) | |
434 | { | |
435 | return if_lookup_address_vrf (matchaddr, family, VRF_DEFAULT); | |
436 | } | |
437 | ||
b81e97a8 DD |
438 | /* Lookup interface by prefix */ |
439 | struct interface * | |
8736158a | 440 | if_lookup_prefix_vrf (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
441 | { |
442 | struct listnode *node; | |
b81e97a8 DD |
443 | struct listnode *cnode; |
444 | struct interface *ifp; | |
445 | struct connected *c; | |
446 | ||
8736158a | 447 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
448 | { |
449 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
450 | { | |
451 | if (prefix_cmp(c->address, prefix) == 0) | |
452 | { | |
453 | return ifp; | |
454 | } | |
455 | } | |
456 | } | |
457 | return NULL; | |
458 | } | |
459 | ||
8736158a FL |
460 | struct interface * |
461 | if_lookup_prefix (struct prefix *prefix) | |
462 | { | |
463 | return if_lookup_prefix_vrf (prefix, VRF_DEFAULT); | |
464 | } | |
465 | ||
718e3744 | 466 | /* Get interface by name if given name interface doesn't exist create |
467 | one. */ | |
468 | struct interface * | |
8736158a | 469 | if_get_by_name_vrf (const char *name, vrf_id_t vrf_id) |
718e3744 | 470 | { |
471 | struct interface *ifp; | |
472 | ||
8736158a FL |
473 | return ((ifp = if_lookup_by_name_vrf (name, vrf_id)) != NULL) ? ifp : |
474 | if_create_vrf (name, strlen(name), vrf_id); | |
a349198f | 475 | } |
476 | ||
477 | struct interface * | |
8736158a FL |
478 | if_get_by_name (const char *name) |
479 | { | |
480 | return if_get_by_name_vrf (name, VRF_DEFAULT); | |
481 | } | |
482 | ||
483 | struct interface * | |
85f9da7f | 484 | if_get_by_name_len_vrf (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) |
a349198f | 485 | { |
486 | struct interface *ifp; | |
85f9da7f DS |
487 | struct listnode *node; |
488 | struct vrf *vrf = NULL; | |
489 | vrf_iter_t iter; | |
490 | ||
491 | ifp = if_lookup_by_name_len_vrf (name, namelen, vrf_id); | |
492 | if (ifp) | |
493 | return ifp; | |
a349198f | 494 | |
85f9da7f DS |
495 | /* Didn't find the interface on that vrf. Defined on a different one? */ |
496 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
497 | { | |
498 | vrf = vrf_iter2vrf(iter); | |
499 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) | |
500 | { | |
501 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) | |
502 | { | |
503 | /* Found a match. If the interface command was entered in vty without a | |
504 | * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was | |
505 | * entered and there is a mismatch, reject it if from vty. If it came | |
506 | * from the kernel by way of zclient, believe it and update | |
507 | * the ifp accordingly. | |
508 | */ | |
53eadacf | 509 | if (vty) |
510 | { | |
511 | if (vrf_id == VRF_DEFAULT) | |
512 | return ifp; | |
513 | return NULL; | |
514 | } | |
85f9da7f DS |
515 | else |
516 | { | |
517 | if_update_vrf (ifp, name, namelen, vrf_id); | |
518 | return ifp; | |
519 | } | |
520 | } | |
521 | } | |
522 | } | |
523 | return (if_create_vrf (name, namelen, vrf_id)); | |
8736158a FL |
524 | } |
525 | ||
526 | struct interface * | |
527 | if_get_by_name_len (const char *name, size_t namelen) | |
528 | { | |
85f9da7f | 529 | return if_get_by_name_len_vrf (name, namelen, VRF_DEFAULT, 0); |
718e3744 | 530 | } |
531 | ||
532 | /* Does interface up ? */ | |
533 | int | |
534 | if_is_up (struct interface *ifp) | |
535 | { | |
536 | return ifp->flags & IFF_UP; | |
537 | } | |
538 | ||
2e3b2e47 | 539 | /* Is interface running? */ |
540 | int | |
541 | if_is_running (struct interface *ifp) | |
542 | { | |
543 | return ifp->flags & IFF_RUNNING; | |
544 | } | |
545 | ||
546 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
547 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
548 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 549 | int |
550 | if_is_operative (struct interface *ifp) | |
551 | { | |
552 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
553 | (((ifp->flags & IFF_RUNNING) && |
554 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
555 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
556 | } | |
557 | ||
558 | /* Is the interface operative, eg. either UP & RUNNING | |
559 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
560 | int | |
561 | if_is_no_ptm_operative (struct interface *ifp) | |
562 | { | |
563 | return ((ifp->flags & IFF_UP) && | |
564 | ((ifp->flags & IFF_RUNNING) || | |
565 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 566 | } |
567 | ||
718e3744 | 568 | /* Is this loopback interface ? */ |
569 | int | |
570 | if_is_loopback (struct interface *ifp) | |
571 | { | |
4ba9b924 | 572 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
573 | * but Y on platform N? | |
574 | */ | |
575 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 576 | } |
577 | ||
578 | /* Does this interface support broadcast ? */ | |
579 | int | |
580 | if_is_broadcast (struct interface *ifp) | |
581 | { | |
582 | return ifp->flags & IFF_BROADCAST; | |
583 | } | |
584 | ||
585 | /* Does this interface support broadcast ? */ | |
586 | int | |
587 | if_is_pointopoint (struct interface *ifp) | |
588 | { | |
589 | return ifp->flags & IFF_POINTOPOINT; | |
590 | } | |
591 | ||
592 | /* Does this interface support multicast ? */ | |
593 | int | |
594 | if_is_multicast (struct interface *ifp) | |
595 | { | |
596 | return ifp->flags & IFF_MULTICAST; | |
597 | } | |
598 | ||
599 | /* Printout flag information into log */ | |
600 | const char * | |
601 | if_flag_dump (unsigned long flag) | |
602 | { | |
603 | int separator = 0; | |
604 | static char logbuf[BUFSIZ]; | |
605 | ||
606 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 607 | if (flag & (X)) \ |
718e3744 | 608 | { \ |
609 | if (separator) \ | |
610 | strlcat (logbuf, ",", BUFSIZ); \ | |
611 | else \ | |
612 | separator = 1; \ | |
613 | strlcat (logbuf, STR, BUFSIZ); \ | |
614 | } | |
615 | ||
630c97ce | 616 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 617 | IFF_OUT_LOG (IFF_UP, "UP"); |
618 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
619 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
620 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
621 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
622 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
623 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
624 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
625 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
626 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
627 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
628 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
629 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
630 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
631 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
632 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 633 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
634 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
635 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
636 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
637 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 638 | |
639 | strlcat (logbuf, ">", BUFSIZ); | |
640 | ||
641 | return logbuf; | |
630c97ce | 642 | #undef IFF_OUT_LOG |
718e3744 | 643 | } |
644 | ||
645 | /* For debugging */ | |
8cc4198f | 646 | static void |
cedd7f2f | 647 | if_dump (const struct interface *ifp) |
718e3744 | 648 | { |
1f9a9fff PJ |
649 | struct listnode *node; |
650 | struct connected *c __attribute__((unused)); | |
651 | ||
652 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) | |
3968dbf8 | 653 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
1f9a9fff | 654 | "mtu6 %d %s", |
3968dbf8 | 655 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
1f9a9fff | 656 | ifp->mtu6, if_flag_dump (ifp->flags)); |
718e3744 | 657 | } |
658 | ||
659 | /* Interface printing for all interface. */ | |
660 | void | |
66e5cd87 | 661 | if_dump_all (void) |
718e3744 | 662 | { |
8736158a | 663 | struct list *intf_list; |
52dc7ee6 | 664 | struct listnode *node; |
1eb8ef25 | 665 | void *p; |
8736158a | 666 | vrf_iter_t iter; |
718e3744 | 667 | |
8736158a FL |
668 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
669 | if ((intf_list = vrf_iter2iflist (iter)) != NULL) | |
670 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, p)) | |
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 | { | |
67656e9b | 680 | /* CHECK ME argc referenced below */ |
718e3744 | 681 | struct interface *ifp; |
718e3744 | 682 | |
fcbee690 | 683 | if (argc == 1) |
718e3744 | 684 | return CMD_SUCCESS; |
685 | ||
686 | ifp = vty->index; | |
687 | if (ifp->desc) | |
3b8b1855 | 688 | XFREE (MTYPE_TMP, ifp->desc); |
fcbee690 | 689 | ifp->desc = argv_concat(argv, argc, 1); |
718e3744 | 690 | |
691 | return CMD_SUCCESS; | |
692 | } | |
693 | ||
6147e2c6 | 694 | DEFUN (no_interface_desc, |
718e3744 | 695 | no_interface_desc_cmd, |
696 | "no description", | |
697 | NO_STR | |
698 | "Interface specific description\n") | |
699 | { | |
700 | struct interface *ifp; | |
701 | ||
702 | ifp = vty->index; | |
703 | if (ifp->desc) | |
0241684e | 704 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 705 | ifp->desc = NULL; |
706 | ||
707 | return CMD_SUCCESS; | |
708 | } | |
6b0655a2 | 709 | |
98954844 PJ |
710 | #ifdef SUNOS_5 |
711 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
712 | * a seperate struct interface for each logical interface, so config | |
713 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
714 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
715 | * interfaces can be fruitless, for that reason Quagga only tracks | |
716 | * the primary IP interface. | |
717 | * | |
718 | * We try accomodate SUNWzebra by: | |
719 | * - looking up the interface name, to see whether it exists, if so | |
720 | * its useable | |
721 | * - for protocol daemons, this could only because zebra told us of | |
722 | * the interface | |
723 | * - for zebra, only because it learnt from kernel | |
724 | * - if not: | |
725 | * - search the name to see if it contains a sub-ipif / logical interface | |
726 | * seperator, the ':' char. If it does: | |
727 | * - text up to that char must be the primary name - get that name. | |
728 | * if not: | |
729 | * - no idea, just get the name in its entirety. | |
730 | */ | |
731 | static struct interface * | |
8736158a | 732 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
733 | { |
734 | struct interface *ifp; | |
735 | size_t seppos = 0; | |
718e3744 | 736 | |
8736158a | 737 | if ( (ifp = if_lookup_by_name_len_vrf (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
738 | return ifp; |
739 | ||
740 | /* hunt the primary interface name... */ | |
741 | while (seppos < nlen && name[seppos] != ':') | |
742 | seppos++; | |
743 | ||
744 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
745 | if (seppos < nlen) | |
85f9da7f | 746 | return if_get_by_name_len_vrf (name, seppos, vrf_id, 1); |
98954844 | 747 | else |
85f9da7f | 748 | return if_get_by_name_len_vrf (name, nlen, vrf_id, 1); |
98954844 PJ |
749 | } |
750 | #endif /* SUNOS_5 */ | |
6b0655a2 | 751 | |
718e3744 | 752 | DEFUN (interface, |
753 | interface_cmd, | |
199d90a1 | 754 | "interface IFNAME [vrf NAME]", |
718e3744 | 755 | "Select an interface to configure\n" |
fcbee690 QY |
756 | "Interface's name\n" |
757 | VRF_CMD_HELP_STR) | |
718e3744 | 758 | { |
c349116d | 759 | int idx_ifname = 1; |
abddf075 | 760 | int idx_vrf = 3; |
c349116d | 761 | const char *ifname = argv[idx_ifname]->arg; |
abddf075 | 762 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 763 | |
718e3744 | 764 | struct interface *ifp; |
d2fc8896 | 765 | size_t sl; |
8736158a | 766 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 767 | |
fcbee690 | 768 | if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) |
d2fc8896 | 769 | { |
770 | vty_out (vty, "%% Interface name %s is invalid: length exceeds " | |
771 | "%d characters%s", | |
fcbee690 | 772 | ifname, INTERFACE_NAMSIZ, VTY_NEWLINE); |
d2fc8896 | 773 | return CMD_WARNING; |
774 | } | |
718e3744 | 775 | |
f93e3f69 DS |
776 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
777 | Imagine forward reference of a vrf by name in this interface config */ | |
fcbee690 QY |
778 | if (vrfname) |
779 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 780 | |
98954844 | 781 | #ifdef SUNOS_5 |
fcbee690 | 782 | ifp = if_sunwzebra_get (ifname, sl, vrf_id); |
98954844 | 783 | #else |
fcbee690 | 784 | ifp = if_get_by_name_len_vrf (ifname, sl, vrf_id, 1); |
98954844 | 785 | #endif /* SUNOS_5 */ |
718e3744 | 786 | |
85f9da7f DS |
787 | if (!ifp) |
788 | { | |
fcbee690 | 789 | vty_out (vty, "%% interface %s not in %s%s", ifname, vrfname, VTY_NEWLINE); |
85f9da7f DS |
790 | return CMD_WARNING; |
791 | } | |
718e3744 | 792 | vty->index = ifp; |
793 | vty->node = INTERFACE_NODE; | |
794 | ||
795 | return CMD_SUCCESS; | |
796 | } | |
797 | ||
32d2463c | 798 | DEFUN_NOSH (no_interface, |
799 | no_interface_cmd, | |
199d90a1 | 800 | "no interface IFNAME [vrf NAME]", |
32d2463c | 801 | NO_STR |
802 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
803 | "Interface's name\n" |
804 | VRF_CMD_HELP_STR) | |
32d2463c | 805 | { |
fcbee690 QY |
806 | const char *ifname = argv[2]->arg; |
807 | const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; | |
808 | ||
32d2463c | 809 | // deleting interface |
810 | struct interface *ifp; | |
8736158a | 811 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 812 | |
fcbee690 QY |
813 | if (argc > 3) |
814 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 815 | |
fcbee690 | 816 | ifp = if_lookup_by_name_vrf (ifname, vrf_id); |
32d2463c | 817 | |
818 | if (ifp == NULL) | |
d2fc8896 | 819 | { |
fcbee690 | 820 | vty_out (vty, "%% Interface %s does not exist%s", ifname, VTY_NEWLINE); |
d2fc8896 | 821 | return CMD_WARNING; |
822 | } | |
32d2463c | 823 | |
bfc13532 | 824 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 825 | { |
826 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
827 | VTY_NEWLINE); | |
828 | return CMD_WARNING; | |
829 | } | |
32d2463c | 830 | |
831 | if_delete(ifp); | |
832 | ||
833 | return CMD_SUCCESS; | |
834 | } | |
835 | ||
f93e3f69 DS |
836 | DEFUN (vrf, |
837 | vrf_cmd, | |
bcff2289 DW |
838 | "vrf NAME", |
839 | "Select a VRF to configure\n" | |
840 | "VRF's name\n") | |
f93e3f69 | 841 | { |
c349116d DW |
842 | int idx_name = 1; |
843 | const char *vrfname = argv[idx_name]->arg; | |
fcbee690 | 844 | |
f93e3f69 DS |
845 | struct vrf *vrfp; |
846 | size_t sl; | |
847 | ||
fcbee690 | 848 | if ((sl = strlen(vrfname)) > VRF_NAMSIZ) |
f93e3f69 DS |
849 | { |
850 | vty_out (vty, "%% VRF name %s is invalid: length exceeds " | |
851 | "%d characters%s", | |
fcbee690 | 852 | vrfname, VRF_NAMSIZ, VTY_NEWLINE); |
f93e3f69 DS |
853 | return CMD_WARNING; |
854 | } | |
855 | ||
fcbee690 | 856 | vrfp = vrf_get (VRF_UNKNOWN, vrfname); |
f93e3f69 DS |
857 | |
858 | vty->index = vrfp; | |
859 | vty->node = VRF_NODE; | |
860 | ||
861 | return CMD_SUCCESS; | |
862 | } | |
863 | ||
864 | DEFUN_NOSH (no_vrf, | |
865 | no_vrf_cmd, | |
bcff2289 | 866 | "no vrf NAME", |
f93e3f69 | 867 | NO_STR |
bcff2289 DW |
868 | "Delete a pseudo VRF's configuration\n" |
869 | "VRF's name\n") | |
f93e3f69 | 870 | { |
fcbee690 QY |
871 | const char *vrfname = argv[2]->arg; |
872 | ||
f93e3f69 DS |
873 | struct vrf *vrfp; |
874 | ||
fcbee690 | 875 | vrfp = vrf_list_lookup_by_name (vrfname);; |
f93e3f69 DS |
876 | |
877 | if (vrfp == NULL) | |
878 | { | |
fcbee690 | 879 | vty_out (vty, "%% VRF %s does not exist%s", vrfname, VTY_NEWLINE); |
f93e3f69 DS |
880 | return CMD_WARNING; |
881 | } | |
882 | ||
79694123 | 883 | if (CHECK_FLAG (vrfp->status, VRF_ACTIVE)) |
f93e3f69 DS |
884 | { |
885 | vty_out (vty, "%% Only inactive VRFs can be deleted%s", | |
886 | VTY_NEWLINE); | |
887 | return CMD_WARNING; | |
888 | } | |
889 | ||
890 | vrf_delete(vrfp); | |
891 | ||
892 | return CMD_SUCCESS; | |
893 | } | |
894 | ||
895 | ||
718e3744 | 896 | /* For debug purpose. */ |
897 | DEFUN (show_address, | |
898 | show_address_cmd, | |
199d90a1 | 899 | "show address [vrf NAME]", |
718e3744 | 900 | SHOW_STR |
fcbee690 QY |
901 | "address\n" |
902 | VRF_CMD_HELP_STR) | |
718e3744 | 903 | { |
abddf075 | 904 | int idx_vrf = 3; |
52dc7ee6 | 905 | struct listnode *node; |
906 | struct listnode *node2; | |
718e3744 | 907 | struct interface *ifp; |
908 | struct connected *ifc; | |
909 | struct prefix *p; | |
8736158a | 910 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 911 | |
fcbee690 | 912 | if (argc > 2) |
c349116d | 913 | VRF_GET_ID (vrf_id, argv[idx_vrf_cmd_str]->arg); |
8736158a FL |
914 | |
915 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 916 | { |
1eb8ef25 | 917 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 918 | { |
718e3744 | 919 | p = ifc->address; |
920 | ||
921 | if (p->family == AF_INET) | |
922 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
923 | VTY_NEWLINE); | |
924 | } | |
925 | } | |
926 | return CMD_SUCCESS; | |
927 | } | |
928 | ||
8736158a FL |
929 | DEFUN (show_address_vrf_all, |
930 | show_address_vrf_all_cmd, | |
9ccf14f7 | 931 | "show address vrf all", |
8736158a FL |
932 | SHOW_STR |
933 | "address\n" | |
934 | VRF_ALL_CMD_HELP_STR) | |
935 | { | |
936 | struct list *intf_list; | |
937 | struct listnode *node; | |
938 | struct listnode *node2; | |
939 | struct interface *ifp; | |
940 | struct connected *ifc; | |
941 | struct prefix *p; | |
942 | vrf_iter_t iter; | |
943 | ||
944 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) | |
945 | { | |
946 | intf_list = vrf_iter2iflist (iter); | |
947 | if (!intf_list || !listcount (intf_list)) | |
948 | continue; | |
949 | ||
950 | vty_out (vty, "%sVRF %u%s%s", VTY_NEWLINE, vrf_iter2id (iter), | |
951 | VTY_NEWLINE, VTY_NEWLINE); | |
952 | ||
953 | for (ALL_LIST_ELEMENTS_RO (intf_list, node, ifp)) | |
954 | { | |
955 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
956 | { | |
957 | p = ifc->address; | |
958 | ||
959 | if (p->family == AF_INET) | |
960 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
961 | VTY_NEWLINE); | |
962 | } | |
963 | } | |
964 | } | |
965 | return CMD_SUCCESS; | |
966 | } | |
967 | ||
718e3744 | 968 | /* Allocate connected structure. */ |
969 | struct connected * | |
8cc4198f | 970 | connected_new (void) |
718e3744 | 971 | { |
393deb9b | 972 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 973 | } |
974 | ||
a80beece DS |
975 | /* Allocate nbr connected structure. */ |
976 | struct nbr_connected * | |
977 | nbr_connected_new (void) | |
978 | { | |
979 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
980 | } | |
981 | ||
718e3744 | 982 | /* Free connected structure. */ |
983 | void | |
984 | connected_free (struct connected *connected) | |
985 | { | |
986 | if (connected->address) | |
987 | prefix_free (connected->address); | |
988 | ||
989 | if (connected->destination) | |
990 | prefix_free (connected->destination); | |
991 | ||
992 | if (connected->label) | |
9c4f1c6f | 993 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 994 | |
995 | XFREE (MTYPE_CONNECTED, connected); | |
996 | } | |
997 | ||
a80beece DS |
998 | /* Free nbr connected structure. */ |
999 | void | |
1000 | nbr_connected_free (struct nbr_connected *connected) | |
1001 | { | |
1002 | if (connected->address) | |
1003 | prefix_free (connected->address); | |
1004 | ||
1005 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
1006 | } | |
1007 | ||
1008 | /* If same interface nbr address already exists... */ | |
1009 | struct nbr_connected * | |
1010 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
1011 | { | |
1012 | struct nbr_connected *ifc; | |
1013 | struct listnode *node; | |
1014 | ||
1015 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
1016 | if (prefix_same (ifc->address, p)) | |
1017 | return ifc; | |
1018 | ||
1019 | return NULL; | |
1020 | } | |
1021 | ||
718e3744 | 1022 | /* Print if_addr structure. */ |
8cc4198f | 1023 | static void __attribute__ ((unused)) |
718e3744 | 1024 | connected_log (struct connected *connected, char *str) |
1025 | { | |
1026 | struct prefix *p; | |
1027 | struct interface *ifp; | |
1028 | char logbuf[BUFSIZ]; | |
1029 | char buf[BUFSIZ]; | |
1030 | ||
1031 | ifp = connected->ifp; | |
1032 | p = connected->address; | |
1033 | ||
3968dbf8 FL |
1034 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
1035 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 1036 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
1037 | p->prefixlen); | |
1038 | ||
1039 | p = connected->destination; | |
1040 | if (p) | |
1041 | { | |
1042 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1043 | BUFSIZ - strlen(logbuf)); | |
1044 | } | |
fc95186c | 1045 | zlog (NULL, LOG_INFO, "%s", logbuf); |
718e3744 | 1046 | } |
1047 | ||
a80beece DS |
1048 | /* Print if_addr structure. */ |
1049 | static void __attribute__ ((unused)) | |
1050 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
1051 | { | |
1052 | struct prefix *p; | |
1053 | struct interface *ifp; | |
1054 | char logbuf[BUFSIZ]; | |
1055 | char buf[BUFSIZ]; | |
1056 | ||
1057 | ifp = connected->ifp; | |
1058 | p = connected->address; | |
1059 | ||
1060 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
1061 | str, ifp->name, prefix_family_str (p), | |
1062 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
1063 | p->prefixlen); | |
1064 | ||
1065 | zlog (NULL, LOG_INFO, "%s", logbuf); | |
1066 | } | |
1067 | ||
718e3744 | 1068 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 1069 | static int |
718e3744 | 1070 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
1071 | { | |
1072 | if (p1->family == p2->family) | |
1073 | { | |
1074 | if (p1->family == AF_INET && | |
1075 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
1076 | return 1; | |
1077 | #ifdef HAVE_IPV6 | |
1078 | if (p1->family == AF_INET6 && | |
1079 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
1080 | return 1; | |
1081 | #endif /* HAVE_IPV6 */ | |
1082 | } | |
1083 | return 0; | |
1084 | } | |
1085 | ||
38485402 DS |
1086 | struct connected * |
1087 | connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) | |
1088 | { | |
1089 | struct listnode *node; | |
1090 | struct listnode *next; | |
1091 | struct connected *ifc; | |
1092 | ||
1093 | for (node = listhead (ifp->connected); node; node = next) | |
1094 | { | |
1095 | ifc = listgetdata (node); | |
1096 | next = node->next; | |
1097 | ||
1098 | if (connected_same_prefix (ifc->address, p)) | |
1099 | return ifc; | |
1100 | } | |
1101 | return NULL; | |
1102 | } | |
1103 | ||
718e3744 | 1104 | struct connected * |
1105 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
1106 | { | |
1107 | struct listnode *node; | |
1108 | struct listnode *next; | |
1109 | struct connected *ifc; | |
1110 | ||
1111 | /* In case of same prefix come, replace it with new one. */ | |
1112 | for (node = listhead (ifp->connected); node; node = next) | |
1113 | { | |
1eb8ef25 | 1114 | ifc = listgetdata (node); |
718e3744 | 1115 | next = node->next; |
1116 | ||
1117 | if (connected_same_prefix (ifc->address, p)) | |
1118 | { | |
1119 | listnode_delete (ifp->connected, ifc); | |
1120 | return ifc; | |
1121 | } | |
1122 | } | |
1123 | return NULL; | |
1124 | } | |
1125 | ||
bd40c341 | 1126 | /* Find the address on our side that will be used when packets |
727d104b | 1127 | are sent to dst. */ |
1128 | struct connected * | |
bd40c341 | 1129 | connected_lookup_prefix (struct interface *ifp, struct prefix *addr) |
727d104b | 1130 | { |
52dc7ee6 | 1131 | struct listnode *cnode; |
727d104b | 1132 | struct connected *c; |
1133 | struct connected *match; | |
1134 | ||
727d104b | 1135 | match = NULL; |
1136 | ||
1eb8ef25 | 1137 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1138 | { |
bd40c341 DS |
1139 | if (c->address && (c->address->family == addr->family) && |
1140 | prefix_match(CONNECTED_PREFIX(c), addr) && | |
e4529636 AS |
1141 | (!match || (c->address->prefixlen > match->address->prefixlen))) |
1142 | match = c; | |
727d104b | 1143 | } |
1144 | return match; | |
1145 | } | |
1146 | ||
4a7aac1b | 1147 | struct connected * |
1148 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1149 | struct prefix *destination) | |
1150 | { | |
1151 | struct connected *ifc; | |
1152 | ||
1153 | /* Allocate new connected address. */ | |
1154 | ifc = connected_new (); | |
1155 | ifc->ifp = ifp; | |
1156 | ||
1157 | /* Fetch interface address */ | |
1158 | ifc->address = prefix_new(); | |
1159 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1160 | ||
1161 | /* Fetch dest address */ | |
3fb9cd6e | 1162 | if (destination) |
1163 | { | |
1164 | ifc->destination = prefix_new(); | |
1165 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1166 | } | |
4a7aac1b | 1167 | |
1168 | /* Add connected address to the interface. */ | |
1169 | listnode_add (ifp->connected, ifc); | |
1170 | return ifc; | |
1171 | } | |
1172 | ||
718e3744 | 1173 | #ifndef HAVE_IF_NAMETOINDEX |
b892f1dd | 1174 | ifindex_t |
718e3744 | 1175 | if_nametoindex (const char *name) |
1176 | { | |
718e3744 | 1177 | struct interface *ifp; |
1178 | ||
018546e9 | 1179 | return ((ifp = if_lookup_by_name_len(name, strnlen(name, IFNAMSIZ))) != NULL) |
1180 | ? ifp->ifindex : 0; | |
718e3744 | 1181 | } |
1182 | #endif | |
1183 | ||
1184 | #ifndef HAVE_IF_INDEXTONAME | |
1185 | char * | |
b892f1dd | 1186 | if_indextoname (ifindex_t ifindex, char *name) |
718e3744 | 1187 | { |
718e3744 | 1188 | struct interface *ifp; |
1189 | ||
d2fc8896 | 1190 | if (!(ifp = if_lookup_by_index(ifindex))) |
1191 | return NULL; | |
1192 | strncpy (name, ifp->name, IFNAMSIZ); | |
1193 | return ifp->name; | |
718e3744 | 1194 | } |
1195 | #endif | |
6b0655a2 | 1196 | |
8cc4198f | 1197 | #if 0 /* this route_table of struct connected's is unused |
1198 | * however, it would be good to use a route_table rather than | |
1199 | * a list.. | |
1200 | */ | |
718e3744 | 1201 | /* Interface looking up by interface's address. */ |
718e3744 | 1202 | /* Interface's IPv4 address reverse lookup table. */ |
1203 | struct route_table *ifaddr_ipv4_table; | |
1204 | /* struct route_table *ifaddr_ipv6_table; */ | |
1205 | ||
8cc4198f | 1206 | static void |
718e3744 | 1207 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1208 | { | |
1209 | struct route_node *rn; | |
1210 | struct prefix_ipv4 p; | |
1211 | ||
1212 | p.family = AF_INET; | |
1213 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1214 | p.prefix = *ifaddr; | |
1215 | ||
1216 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1217 | if (rn) | |
1218 | { | |
1219 | route_unlock_node (rn); | |
1220 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1221 | inet_ntoa (*ifaddr)); | |
1222 | return; | |
1223 | } | |
1224 | rn->info = ifp; | |
1225 | } | |
1226 | ||
8cc4198f | 1227 | static void |
718e3744 | 1228 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1229 | { | |
1230 | struct route_node *rn; | |
1231 | struct prefix_ipv4 p; | |
1232 | ||
1233 | p.family = AF_INET; | |
1234 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1235 | p.prefix = *ifaddr; | |
1236 | ||
1237 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1238 | if (! rn) | |
1239 | { | |
1240 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1241 | inet_ntoa (*ifaddr)); | |
1242 | return; | |
1243 | } | |
1244 | rn->info = NULL; | |
1245 | route_unlock_node (rn); | |
1246 | route_unlock_node (rn); | |
1247 | } | |
1248 | ||
1249 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1250 | static struct interface * |
b892f1dd | 1251 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1252 | { |
1253 | struct prefix_ipv4 p; | |
1254 | struct route_node *rn; | |
1255 | struct interface *ifp; | |
718e3744 | 1256 | |
1257 | if (addr) | |
1258 | { | |
1259 | p.family = AF_INET; | |
1260 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1261 | p.prefix = *addr; | |
1262 | ||
1263 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1264 | if (! rn) | |
1265 | return NULL; | |
1266 | ||
1267 | ifp = rn->info; | |
1268 | route_unlock_node (rn); | |
1269 | return ifp; | |
1270 | } | |
1271 | else | |
d2fc8896 | 1272 | return if_lookup_by_index(ifindex); |
718e3744 | 1273 | } |
8cc4198f | 1274 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1275 | |
1276 | /* Initialize interface list. */ | |
1277 | void | |
b2d7c082 | 1278 | if_init (struct list **intf_list) |
718e3744 | 1279 | { |
8736158a | 1280 | *intf_list = list_new (); |
8cc4198f | 1281 | #if 0 |
718e3744 | 1282 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1283 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1284 | |
8736158a | 1285 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
718e3744 | 1286 | } |
4bd045d5 TG |
1287 | |
1288 | void | |
b2d7c082 | 1289 | if_terminate (struct list **intf_list) |
4bd045d5 TG |
1290 | { |
1291 | for (;;) | |
1292 | { | |
1293 | struct interface *ifp; | |
1294 | ||
8736158a | 1295 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1296 | if (ifp == NULL) |
1297 | break; | |
1298 | ||
3f6d6a5d DS |
1299 | if (ifp->node) |
1300 | { | |
1301 | ifp->node->info = NULL; | |
1302 | route_unlock_node (ifp->node); | |
1303 | } | |
1304 | ||
4bd045d5 TG |
1305 | if_delete (ifp); |
1306 | } | |
1307 | ||
8736158a FL |
1308 | list_delete (*intf_list); |
1309 | *intf_list = NULL; | |
4bd045d5 | 1310 | } |
8ccc7e80 TT |
1311 | |
1312 | const char * | |
1313 | if_link_type_str (enum zebra_link_type llt) | |
1314 | { | |
1315 | switch (llt) | |
1316 | { | |
1317 | #define llts(T,S) case (T): return (S) | |
1318 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); | |
1319 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1320 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1321 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1322 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1323 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1324 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1325 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1326 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1327 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1328 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1329 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1330 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1331 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1332 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1333 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1334 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1335 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1336 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1337 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1338 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1339 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1340 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1341 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1342 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1343 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1344 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1345 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1346 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1347 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1348 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1349 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1350 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1351 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1352 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1353 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1354 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1355 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1356 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1357 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1358 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1359 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1360 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1361 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1362 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1363 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1364 | default: | |
1365 | zlog_warn ("Unknown value %d", llt); | |
1366 | return "Unknown type!"; | |
1367 | #undef llts | |
1368 | } | |
1369 | return NULL; | |
1370 | } | |
16f1b9ee OD |
1371 | |
1372 | struct if_link_params * | |
1373 | if_link_params_get (struct interface *ifp) | |
1374 | { | |
1375 | int i; | |
1376 | ||
1377 | if (ifp->link_params != NULL) | |
1378 | return ifp->link_params; | |
1379 | ||
1380 | struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, | |
1381 | sizeof (struct if_link_params)); | |
1382 | if (iflp == NULL) return NULL; | |
1383 | ||
1384 | /* Set TE metric == standard metric */ | |
1385 | iflp->te_metric = ifp->metric; | |
1386 | ||
1387 | /* Compute default bandwidth based on interface */ | |
1388 | int bw = (float)((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1389 | * TE_KILO_BIT / TE_BYTE); | |
1390 | ||
1391 | /* Set Max, Reservable and Unreserved Bandwidth */ | |
1392 | iflp->max_bw = bw; | |
1393 | iflp->max_rsv_bw = bw; | |
1394 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1395 | iflp->unrsv_bw[i] = bw; | |
1396 | ||
1397 | /* Update Link parameters status */ | |
1398 | iflp->lp_status = LP_TE | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
1399 | ||
1400 | /* Finally attach newly created Link Parameters */ | |
1401 | ifp->link_params = iflp; | |
1402 | ||
1403 | return iflp; | |
1404 | } | |
1405 | ||
1406 | void | |
1407 | if_link_params_free (struct interface *ifp) | |
1408 | { | |
1409 | if (ifp->link_params == NULL) return; | |
1410 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1411 | ifp->link_params = NULL; | |
1412 | } |