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718e3744 | 1 | /* |
2 | * Interface functions. | |
3 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
896014f4 | 6 | * |
718e3744 | 7 | * GNU Zebra is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published | |
9 | * by the Free Software Foundation; either version 2, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "linklist.h" | |
25 | #include "vector.h" | |
26 | #include "vty.h" | |
27 | #include "command.h" | |
8736158a | 28 | #include "vrf.h" |
718e3744 | 29 | #include "if.h" |
30 | #include "sockunion.h" | |
31 | #include "prefix.h" | |
718e3744 | 32 | #include "memory.h" |
33 | #include "table.h" | |
34 | #include "buffer.h" | |
718e3744 | 35 | #include "log.h" |
6b0655a2 | 36 | |
4a1ab8e4 DL |
37 | DEFINE_MTYPE( LIB, IF, "Interface") |
38 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") | |
39 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
40 | DEFINE_MTYPE( LIB, CONNECTED_LABEL, "Connected interface label") | |
41 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
42 | ||
e80e7cce DL |
43 | DEFINE_QOBJ_TYPE(interface) |
44 | ||
8736158a | 45 | /* List of interfaces in only the default VRF */ |
244c1cdc | 46 | int ptm_enable = 0; |
718e3744 | 47 | |
48 | /* One for each program. This structure is needed to store hooks. */ | |
49 | struct if_master | |
50 | { | |
51 | int (*if_new_hook) (struct interface *); | |
52 | int (*if_delete_hook) (struct interface *); | |
8736158a | 53 | } if_master = {0,}; |
6b0655a2 | 54 | |
3a0391a9 | 55 | /* Compare interface names, returning an integer greater than, equal to, or |
56 | * less than 0, (following the strcmp convention), according to the | |
57 | * relationship between ifp1 and ifp2. Interface names consist of an | |
58 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
59 | * lexicographic by name, and then numeric by number. No number sorts | |
60 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
61 | * devpty0, de0 < del0 | |
62 | */ | |
106d2fd5 | 63 | int |
974fc9d2 | 64 | if_cmp_name_func (char *p1, char *p2) |
106d2fd5 | 65 | { |
66 | unsigned int l1, l2; | |
67 | long int x1, x2; | |
106d2fd5 | 68 | int res; |
69 | ||
90578521 | 70 | while (*p1 && *p2) { |
106d2fd5 | 71 | /* look up to any number */ |
72 | l1 = strcspn(p1, "0123456789"); | |
73 | l2 = strcspn(p2, "0123456789"); | |
74 | ||
75 | /* name lengths are different -> compare names */ | |
76 | if (l1 != l2) | |
77 | return (strcmp(p1, p2)); | |
78 | ||
3a0391a9 | 79 | /* Note that this relies on all numbers being less than all letters, so |
80 | * that de0 < del0. | |
81 | */ | |
106d2fd5 | 82 | res = strncmp(p1, p2, l1); |
83 | ||
84 | /* names are different -> compare them */ | |
85 | if (res) | |
86 | return res; | |
87 | ||
88 | /* with identical name part, go to numeric part */ | |
106d2fd5 | 89 | p1 += l1; |
90 | p2 += l1; | |
91 | ||
b06c14f2 | 92 | if (!*p1) |
93 | return -1; | |
94 | if (!*p2) | |
95 | return 1; | |
96 | ||
106d2fd5 | 97 | x1 = strtol(p1, &p1, 10); |
98 | x2 = strtol(p2, &p2, 10); | |
99 | ||
100 | /* let's compare numbers now */ | |
101 | if (x1 < x2) | |
102 | return -1; | |
103 | if (x1 > x2) | |
104 | return 1; | |
105 | ||
106 | /* numbers were equal, lets do it again.. | |
107 | (it happens with name like "eth123.456:789") */ | |
108 | } | |
90578521 | 109 | if (*p1) |
110 | return 1; | |
111 | if (*p2) | |
112 | return -1; | |
113 | return 0; | |
106d2fd5 | 114 | } |
115 | ||
974fc9d2 DS |
116 | static int |
117 | if_cmp_func (struct interface *ifp1, struct interface *ifp2) | |
118 | { | |
119 | return if_cmp_name_func (ifp1->name, ifp2->name); | |
120 | } | |
121 | ||
718e3744 | 122 | /* Create new interface structure. */ |
718e3744 | 123 | struct interface * |
4e5266b8 | 124 | if_create (const char *name, int namelen, vrf_id_t vrf_id) |
718e3744 | 125 | { |
126 | struct interface *ifp; | |
8736158a | 127 | struct list *intf_list = vrf_iflist_get (vrf_id); |
718e3744 | 128 | |
d2fc8896 | 129 | ifp = XCALLOC (MTYPE_IF, sizeof (struct interface)); |
130 | ifp->ifindex = IFINDEX_INTERNAL; | |
718e3744 | 131 | |
106d2fd5 | 132 | assert (name); |
d2fc8896 | 133 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ |
106d2fd5 | 134 | strncpy (ifp->name, name, namelen); |
d2fc8896 | 135 | ifp->name[namelen] = '\0'; |
8736158a | 136 | ifp->vrf_id = vrf_id; |
1306c09a | 137 | if (if_lookup_by_name (ifp->name, vrf_id) == NULL) |
8736158a | 138 | listnode_add_sort (intf_list, ifp); |
d2fc8896 | 139 | else |
140 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
8736158a | 141 | "name exists already in VRF %u!", ifp->name, vrf_id); |
718e3744 | 142 | ifp->connected = list_new (); |
143 | ifp->connected->del = (void (*) (void *)) connected_free; | |
144 | ||
a80beece DS |
145 | ifp->nbr_connected = list_new (); |
146 | ifp->nbr_connected->del = (void (*) (void *)) nbr_connected_free; | |
147 | ||
c9506a0a DS |
148 | /* Enable Link-detection by default */ |
149 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
150 | ||
e80e7cce DL |
151 | QOBJ_REG (ifp, interface); |
152 | ||
718e3744 | 153 | if (if_master.if_new_hook) |
154 | (*if_master.if_new_hook) (ifp); | |
155 | ||
156 | return ifp; | |
157 | } | |
158 | ||
f93e3f69 DS |
159 | /* Create new interface structure. */ |
160 | void | |
f15dd9a4 | 161 | if_update (struct interface *ifp, const char *name, int namelen, vrf_id_t vrf_id) |
f93e3f69 DS |
162 | { |
163 | struct list *intf_list = vrf_iflist_get (vrf_id); | |
164 | ||
165 | /* remove interface from old master vrf list */ | |
166 | if (vrf_iflist (ifp->vrf_id)) | |
167 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); | |
168 | ||
169 | assert (name); | |
170 | assert (namelen <= INTERFACE_NAMSIZ); /* Need space for '\0' at end. */ | |
171 | strncpy (ifp->name, name, namelen); | |
172 | ifp->name[namelen] = '\0'; | |
173 | ifp->vrf_id = vrf_id; | |
1306c09a | 174 | if (if_lookup_by_name (ifp->name, vrf_id) == NULL) |
f93e3f69 DS |
175 | listnode_add_sort (intf_list, ifp); |
176 | else | |
177 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
178 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
179 | ||
180 | return; | |
181 | } | |
182 | ||
183 | ||
d2fc8896 | 184 | /* Delete interface structure. */ |
718e3744 | 185 | void |
d2fc8896 | 186 | if_delete_retain (struct interface *ifp) |
718e3744 | 187 | { |
718e3744 | 188 | if (if_master.if_delete_hook) |
189 | (*if_master.if_delete_hook) (ifp); | |
190 | ||
e80e7cce DL |
191 | QOBJ_UNREG (ifp); |
192 | ||
718e3744 | 193 | /* Free connected address list */ |
2dd04c5d | 194 | list_delete_all_node (ifp->connected); |
a80beece DS |
195 | |
196 | /* Free connected nbr address list */ | |
197 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 198 | } |
199 | ||
200 | /* Delete and free interface structure. */ | |
201 | void | |
202 | if_delete (struct interface *ifp) | |
203 | { | |
8736158a | 204 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 205 | |
206 | if_delete_retain(ifp); | |
718e3744 | 207 | |
2dd04c5d | 208 | list_free (ifp->connected); |
a80beece | 209 | list_free (ifp->nbr_connected); |
2dd04c5d | 210 | |
16f1b9ee OD |
211 | if_link_params_free (ifp); |
212 | ||
718e3744 | 213 | XFREE (MTYPE_IF, ifp); |
214 | } | |
215 | ||
216 | /* Add hook to interface master. */ | |
217 | void | |
218 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
219 | { | |
220 | switch (type) { | |
221 | case IF_NEW_HOOK: | |
222 | if_master.if_new_hook = func; | |
223 | break; | |
224 | case IF_DELETE_HOOK: | |
225 | if_master.if_delete_hook = func; | |
226 | break; | |
227 | default: | |
228 | break; | |
229 | } | |
230 | } | |
231 | ||
232 | /* Interface existance check by index. */ | |
233 | struct interface * | |
7e2b7603 | 234 | if_lookup_by_index (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 235 | { |
52dc7ee6 | 236 | struct listnode *node; |
718e3744 | 237 | struct interface *ifp; |
238 | ||
8736158a | 239 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 240 | { |
b892f1dd | 241 | if (ifp->ifindex == ifindex) |
718e3744 | 242 | return ifp; |
243 | } | |
244 | return NULL; | |
245 | } | |
246 | ||
8cc4198f | 247 | const char * |
baaea325 | 248 | ifindex2ifname (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 249 | { |
718e3744 | 250 | struct interface *ifp; |
251 | ||
7e2b7603 | 252 | return ((ifp = if_lookup_by_index (ifindex, vrf_id)) != NULL) ? |
8cc4198f | 253 | ifp->name : "unknown"; |
d2fc8896 | 254 | } |
255 | ||
b892f1dd | 256 | ifindex_t |
128c2be2 | 257 | ifname2ifindex (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 258 | { |
259 | struct interface *ifp; | |
260 | ||
1306c09a | 261 | return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 262 | : IFINDEX_INTERNAL; |
718e3744 | 263 | } |
264 | ||
265 | /* Interface existance check by interface name. */ | |
266 | struct interface * | |
1306c09a | 267 | if_lookup_by_name (const char *name, vrf_id_t vrf_id) |
718e3744 | 268 | { |
52dc7ee6 | 269 | struct listnode *node; |
718e3744 | 270 | struct interface *ifp; |
3e4ee959 PJ |
271 | |
272 | if (name) | |
8736158a | 273 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
274 | { |
275 | if (strcmp(name, ifp->name) == 0) | |
276 | return ifp; | |
277 | } | |
718e3744 | 278 | return NULL; |
279 | } | |
280 | ||
f8962871 DS |
281 | struct interface * |
282 | if_lookup_by_name_all_vrf (const char *name) | |
283 | { | |
1a1a7065 | 284 | struct vrf *vrf; |
f8962871 | 285 | struct interface *ifp; |
f8962871 | 286 | |
1a1a7065 | 287 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
f8962871 | 288 | { |
1306c09a | 289 | ifp = if_lookup_by_name (name, vrf->vrf_id); |
f8962871 DS |
290 | if (ifp) |
291 | return ifp; | |
292 | } | |
293 | ||
294 | return NULL; | |
295 | } | |
296 | ||
8736158a | 297 | struct interface * |
fa787f91 | 298 | if_lookup_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id) |
a349198f | 299 | { |
300 | struct listnode *node; | |
1eb8ef25 | 301 | struct interface *ifp; |
a349198f | 302 | |
303 | if (namelen > INTERFACE_NAMSIZ) | |
304 | return NULL; | |
305 | ||
8736158a | 306 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 307 | { |
a349198f | 308 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
309 | return ifp; | |
310 | } | |
311 | return NULL; | |
312 | } | |
313 | ||
718e3744 | 314 | /* Lookup interface by IPv4 address. */ |
315 | struct interface * | |
c5e2cb11 | 316 | if_lookup_exact_address (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 317 | { |
52dc7ee6 | 318 | struct listnode *node; |
319 | struct listnode *cnode; | |
718e3744 | 320 | struct interface *ifp; |
321 | struct prefix *p; | |
322 | struct connected *c; | |
323 | ||
8736158a | 324 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 325 | { |
1eb8ef25 | 326 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 327 | { |
718e3744 | 328 | p = c->address; |
329 | ||
0aabccc0 | 330 | if (p && (p->family == family)) |
718e3744 | 331 | { |
0aabccc0 DD |
332 | if (family == AF_INET) |
333 | { | |
334 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
335 | return ifp; | |
336 | } | |
337 | else if (family == AF_INET6) | |
338 | { | |
0527bd80 | 339 | if (IPV6_ADDR_SAME (&p->u.prefix6, (struct in6_addr *)src)) |
0aabccc0 DD |
340 | return ifp; |
341 | } | |
342 | } | |
718e3744 | 343 | } |
344 | } | |
345 | return NULL; | |
346 | } | |
347 | ||
348 | /* Lookup interface by IPv4 address. */ | |
b10ce841 | 349 | struct connected * |
95af5f13 | 350 | if_lookup_address (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 351 | { |
52dc7ee6 | 352 | struct listnode *node; |
718e3744 | 353 | struct prefix addr; |
3fb9cd6e | 354 | int bestlen = 0; |
52dc7ee6 | 355 | struct listnode *cnode; |
718e3744 | 356 | struct interface *ifp; |
718e3744 | 357 | struct connected *c; |
b10ce841 | 358 | struct connected *match; |
718e3744 | 359 | |
0aabccc0 DD |
360 | if (family == AF_INET) |
361 | { | |
362 | addr.family = AF_INET; | |
363 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
364 | addr.prefixlen = IPV4_MAX_BITLEN; | |
365 | } | |
366 | else if (family == AF_INET6) | |
367 | { | |
368 | addr.family = AF_INET6; | |
369 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
370 | addr.prefixlen = IPV6_MAX_BITLEN; | |
371 | } | |
718e3744 | 372 | |
373 | match = NULL; | |
374 | ||
8736158a | 375 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 376 | { |
1eb8ef25 | 377 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 378 | { |
e4529636 AS |
379 | if (c->address && (c->address->family == AF_INET) && |
380 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
381 | (c->address->prefixlen > bestlen)) | |
718e3744 | 382 | { |
e4529636 | 383 | bestlen = c->address->prefixlen; |
b10ce841 | 384 | match = c; |
718e3744 | 385 | } |
386 | } | |
387 | } | |
388 | return match; | |
389 | } | |
390 | ||
b81e97a8 DD |
391 | /* Lookup interface by prefix */ |
392 | struct interface * | |
a90607a4 | 393 | if_lookup_prefix (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
394 | { |
395 | struct listnode *node; | |
b81e97a8 DD |
396 | struct listnode *cnode; |
397 | struct interface *ifp; | |
398 | struct connected *c; | |
399 | ||
8736158a | 400 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
401 | { |
402 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
403 | { | |
404 | if (prefix_cmp(c->address, prefix) == 0) | |
405 | { | |
406 | return ifp; | |
407 | } | |
408 | } | |
409 | } | |
410 | return NULL; | |
411 | } | |
412 | ||
718e3744 | 413 | /* Get interface by name if given name interface doesn't exist create |
414 | one. */ | |
415 | struct interface * | |
92a57eb2 | 416 | if_get_by_name (const char *name, vrf_id_t vrf_id) |
718e3744 | 417 | { |
418 | struct interface *ifp; | |
419 | ||
1306c09a | 420 | return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp : |
4e5266b8 | 421 | if_create (name, strlen(name), vrf_id); |
a349198f | 422 | } |
423 | ||
8736158a | 424 | struct interface * |
07a112a1 | 425 | if_get_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) |
a349198f | 426 | { |
427 | struct interface *ifp; | |
1a1a7065 | 428 | struct vrf *vrf; |
85f9da7f | 429 | struct listnode *node; |
85f9da7f | 430 | |
fa787f91 | 431 | ifp = if_lookup_by_name_len (name, namelen, vrf_id); |
85f9da7f DS |
432 | if (ifp) |
433 | return ifp; | |
a349198f | 434 | |
85f9da7f | 435 | /* Didn't find the interface on that vrf. Defined on a different one? */ |
1a1a7065 | 436 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
85f9da7f | 437 | { |
85f9da7f DS |
438 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) |
439 | { | |
440 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) | |
441 | { | |
442 | /* Found a match. If the interface command was entered in vty without a | |
443 | * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was | |
444 | * entered and there is a mismatch, reject it if from vty. If it came | |
445 | * from the kernel by way of zclient, believe it and update | |
446 | * the ifp accordingly. | |
447 | */ | |
53eadacf | 448 | if (vty) |
449 | { | |
450 | if (vrf_id == VRF_DEFAULT) | |
451 | return ifp; | |
452 | return NULL; | |
453 | } | |
85f9da7f DS |
454 | else |
455 | { | |
f15dd9a4 | 456 | if_update (ifp, name, namelen, vrf_id); |
85f9da7f DS |
457 | return ifp; |
458 | } | |
459 | } | |
460 | } | |
461 | } | |
4e5266b8 | 462 | return (if_create (name, namelen, vrf_id)); |
8736158a FL |
463 | } |
464 | ||
718e3744 | 465 | /* Does interface up ? */ |
466 | int | |
467 | if_is_up (struct interface *ifp) | |
468 | { | |
469 | return ifp->flags & IFF_UP; | |
470 | } | |
471 | ||
2e3b2e47 | 472 | /* Is interface running? */ |
473 | int | |
474 | if_is_running (struct interface *ifp) | |
475 | { | |
476 | return ifp->flags & IFF_RUNNING; | |
477 | } | |
478 | ||
479 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
480 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
481 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 482 | int |
483 | if_is_operative (struct interface *ifp) | |
484 | { | |
485 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
486 | (((ifp->flags & IFF_RUNNING) && |
487 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
488 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
489 | } | |
490 | ||
491 | /* Is the interface operative, eg. either UP & RUNNING | |
492 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
493 | int | |
494 | if_is_no_ptm_operative (struct interface *ifp) | |
495 | { | |
496 | return ((ifp->flags & IFF_UP) && | |
497 | ((ifp->flags & IFF_RUNNING) || | |
498 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 499 | } |
500 | ||
718e3744 | 501 | /* Is this loopback interface ? */ |
502 | int | |
503 | if_is_loopback (struct interface *ifp) | |
504 | { | |
4ba9b924 | 505 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
506 | * but Y on platform N? | |
507 | */ | |
508 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 509 | } |
510 | ||
511 | /* Does this interface support broadcast ? */ | |
512 | int | |
513 | if_is_broadcast (struct interface *ifp) | |
514 | { | |
515 | return ifp->flags & IFF_BROADCAST; | |
516 | } | |
517 | ||
518 | /* Does this interface support broadcast ? */ | |
519 | int | |
520 | if_is_pointopoint (struct interface *ifp) | |
521 | { | |
522 | return ifp->flags & IFF_POINTOPOINT; | |
523 | } | |
524 | ||
525 | /* Does this interface support multicast ? */ | |
526 | int | |
527 | if_is_multicast (struct interface *ifp) | |
528 | { | |
529 | return ifp->flags & IFF_MULTICAST; | |
530 | } | |
531 | ||
532 | /* Printout flag information into log */ | |
533 | const char * | |
534 | if_flag_dump (unsigned long flag) | |
535 | { | |
536 | int separator = 0; | |
537 | static char logbuf[BUFSIZ]; | |
538 | ||
539 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 540 | if (flag & (X)) \ |
718e3744 | 541 | { \ |
542 | if (separator) \ | |
543 | strlcat (logbuf, ",", BUFSIZ); \ | |
544 | else \ | |
545 | separator = 1; \ | |
546 | strlcat (logbuf, STR, BUFSIZ); \ | |
547 | } | |
548 | ||
630c97ce | 549 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 550 | IFF_OUT_LOG (IFF_UP, "UP"); |
551 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
552 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
553 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
554 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
555 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
556 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
557 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
558 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
559 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
560 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
561 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
562 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
563 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
564 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
565 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 566 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
567 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
568 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
569 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
570 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 571 | |
572 | strlcat (logbuf, ">", BUFSIZ); | |
573 | ||
574 | return logbuf; | |
630c97ce | 575 | #undef IFF_OUT_LOG |
718e3744 | 576 | } |
577 | ||
578 | /* For debugging */ | |
8cc4198f | 579 | static void |
cedd7f2f | 580 | if_dump (const struct interface *ifp) |
718e3744 | 581 | { |
1f9a9fff PJ |
582 | struct listnode *node; |
583 | struct connected *c __attribute__((unused)); | |
584 | ||
585 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) | |
3968dbf8 | 586 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
1f9a9fff | 587 | "mtu6 %d %s", |
3968dbf8 | 588 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
1f9a9fff | 589 | ifp->mtu6, if_flag_dump (ifp->flags)); |
718e3744 | 590 | } |
591 | ||
592 | /* Interface printing for all interface. */ | |
593 | void | |
66e5cd87 | 594 | if_dump_all (void) |
718e3744 | 595 | { |
1a1a7065 | 596 | struct vrf *vrf; |
52dc7ee6 | 597 | struct listnode *node; |
1eb8ef25 | 598 | void *p; |
718e3744 | 599 | |
1a1a7065 RW |
600 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
601 | if (vrf->iflist != NULL) | |
602 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, p)) | |
8736158a | 603 | if_dump (p); |
718e3744 | 604 | } |
605 | ||
6147e2c6 | 606 | DEFUN (interface_desc, |
718e3744 | 607 | interface_desc_cmd, |
fcbee690 | 608 | "description LINE...", |
718e3744 | 609 | "Interface specific description\n" |
610 | "Characters describing this interface\n") | |
611 | { | |
58749582 | 612 | int idx_line = 1; |
be301cc2 | 613 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 614 | |
718e3744 | 615 | if (ifp->desc) |
3b8b1855 | 616 | XFREE (MTYPE_TMP, ifp->desc); |
58749582 | 617 | ifp->desc = argv_concat(argv, argc, idx_line); |
718e3744 | 618 | |
619 | return CMD_SUCCESS; | |
620 | } | |
621 | ||
6147e2c6 | 622 | DEFUN (no_interface_desc, |
718e3744 | 623 | no_interface_desc_cmd, |
624 | "no description", | |
625 | NO_STR | |
626 | "Interface specific description\n") | |
627 | { | |
be301cc2 | 628 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 629 | |
718e3744 | 630 | if (ifp->desc) |
0241684e | 631 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 632 | ifp->desc = NULL; |
633 | ||
634 | return CMD_SUCCESS; | |
635 | } | |
6b0655a2 | 636 | |
98954844 PJ |
637 | #ifdef SUNOS_5 |
638 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
639 | * a seperate struct interface for each logical interface, so config | |
640 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
641 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
642 | * interfaces can be fruitless, for that reason Quagga only tracks | |
643 | * the primary IP interface. | |
644 | * | |
645 | * We try accomodate SUNWzebra by: | |
646 | * - looking up the interface name, to see whether it exists, if so | |
647 | * its useable | |
648 | * - for protocol daemons, this could only because zebra told us of | |
649 | * the interface | |
650 | * - for zebra, only because it learnt from kernel | |
651 | * - if not: | |
652 | * - search the name to see if it contains a sub-ipif / logical interface | |
653 | * seperator, the ':' char. If it does: | |
654 | * - text up to that char must be the primary name - get that name. | |
655 | * if not: | |
656 | * - no idea, just get the name in its entirety. | |
657 | */ | |
658 | static struct interface * | |
8736158a | 659 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
660 | { |
661 | struct interface *ifp; | |
662 | size_t seppos = 0; | |
718e3744 | 663 | |
fa787f91 | 664 | if ( (ifp = if_lookup_by_name_len (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
665 | return ifp; |
666 | ||
667 | /* hunt the primary interface name... */ | |
668 | while (seppos < nlen && name[seppos] != ':') | |
669 | seppos++; | |
670 | ||
671 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
672 | if (seppos < nlen) | |
07a112a1 | 673 | return if_get_by_name_len (name, seppos, vrf_id, 1); |
98954844 | 674 | else |
07a112a1 | 675 | return if_get_by_name_len (name, nlen, vrf_id, 1); |
98954844 PJ |
676 | } |
677 | #endif /* SUNOS_5 */ | |
6b0655a2 | 678 | |
718e3744 | 679 | DEFUN (interface, |
680 | interface_cmd, | |
199d90a1 | 681 | "interface IFNAME [vrf NAME]", |
718e3744 | 682 | "Select an interface to configure\n" |
fcbee690 QY |
683 | "Interface's name\n" |
684 | VRF_CMD_HELP_STR) | |
718e3744 | 685 | { |
c349116d | 686 | int idx_ifname = 1; |
abddf075 | 687 | int idx_vrf = 3; |
c349116d | 688 | const char *ifname = argv[idx_ifname]->arg; |
abddf075 | 689 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 690 | |
718e3744 | 691 | struct interface *ifp; |
d2fc8896 | 692 | size_t sl; |
8736158a | 693 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 694 | |
fcbee690 | 695 | if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) |
d2fc8896 | 696 | { |
697 | vty_out (vty, "%% Interface name %s is invalid: length exceeds " | |
698 | "%d characters%s", | |
fcbee690 | 699 | ifname, INTERFACE_NAMSIZ, VTY_NEWLINE); |
d2fc8896 | 700 | return CMD_WARNING; |
701 | } | |
718e3744 | 702 | |
f93e3f69 DS |
703 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
704 | Imagine forward reference of a vrf by name in this interface config */ | |
fcbee690 QY |
705 | if (vrfname) |
706 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 707 | |
98954844 | 708 | #ifdef SUNOS_5 |
fcbee690 | 709 | ifp = if_sunwzebra_get (ifname, sl, vrf_id); |
98954844 | 710 | #else |
07a112a1 | 711 | ifp = if_get_by_name_len (ifname, sl, vrf_id, 1); |
98954844 | 712 | #endif /* SUNOS_5 */ |
718e3744 | 713 | |
85f9da7f DS |
714 | if (!ifp) |
715 | { | |
fcbee690 | 716 | vty_out (vty, "%% interface %s not in %s%s", ifname, vrfname, VTY_NEWLINE); |
85f9da7f DS |
717 | return CMD_WARNING; |
718 | } | |
a50b7ceb | 719 | VTY_PUSH_CONTEXT (INTERFACE_NODE, ifp); |
718e3744 | 720 | |
721 | return CMD_SUCCESS; | |
722 | } | |
723 | ||
32d2463c | 724 | DEFUN_NOSH (no_interface, |
725 | no_interface_cmd, | |
199d90a1 | 726 | "no interface IFNAME [vrf NAME]", |
32d2463c | 727 | NO_STR |
728 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
729 | "Interface's name\n" |
730 | VRF_CMD_HELP_STR) | |
32d2463c | 731 | { |
fcbee690 QY |
732 | const char *ifname = argv[2]->arg; |
733 | const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; | |
734 | ||
32d2463c | 735 | // deleting interface |
736 | struct interface *ifp; | |
8736158a | 737 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 738 | |
fcbee690 QY |
739 | if (argc > 3) |
740 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 741 | |
1306c09a | 742 | ifp = if_lookup_by_name (ifname, vrf_id); |
32d2463c | 743 | |
744 | if (ifp == NULL) | |
d2fc8896 | 745 | { |
fcbee690 | 746 | vty_out (vty, "%% Interface %s does not exist%s", ifname, VTY_NEWLINE); |
d2fc8896 | 747 | return CMD_WARNING; |
748 | } | |
32d2463c | 749 | |
bfc13532 | 750 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 751 | { |
752 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
753 | VTY_NEWLINE); | |
754 | return CMD_WARNING; | |
755 | } | |
32d2463c | 756 | |
757 | if_delete(ifp); | |
758 | ||
759 | return CMD_SUCCESS; | |
760 | } | |
761 | ||
0b84f294 DL |
762 | void |
763 | if_cmd_init (void) | |
764 | { | |
765 | install_element (CONFIG_NODE, &interface_cmd); | |
766 | install_element (CONFIG_NODE, &no_interface_cmd); | |
767 | ||
768 | install_default (INTERFACE_NODE); | |
769 | install_element (INTERFACE_NODE, &interface_desc_cmd); | |
770 | install_element (INTERFACE_NODE, &no_interface_desc_cmd); | |
771 | } | |
772 | ||
d7d73ffc | 773 | #if 0 |
718e3744 | 774 | /* For debug purpose. */ |
775 | DEFUN (show_address, | |
776 | show_address_cmd, | |
199d90a1 | 777 | "show address [vrf NAME]", |
718e3744 | 778 | SHOW_STR |
fcbee690 QY |
779 | "address\n" |
780 | VRF_CMD_HELP_STR) | |
718e3744 | 781 | { |
abddf075 | 782 | int idx_vrf = 3; |
52dc7ee6 | 783 | struct listnode *node; |
784 | struct listnode *node2; | |
718e3744 | 785 | struct interface *ifp; |
786 | struct connected *ifc; | |
787 | struct prefix *p; | |
8736158a | 788 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 789 | |
fcbee690 | 790 | if (argc > 2) |
58749582 | 791 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a FL |
792 | |
793 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 794 | { |
1eb8ef25 | 795 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 796 | { |
718e3744 | 797 | p = ifc->address; |
798 | ||
799 | if (p->family == AF_INET) | |
800 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
801 | VTY_NEWLINE); | |
802 | } | |
803 | } | |
804 | return CMD_SUCCESS; | |
805 | } | |
806 | ||
8736158a FL |
807 | DEFUN (show_address_vrf_all, |
808 | show_address_vrf_all_cmd, | |
9ccf14f7 | 809 | "show address vrf all", |
8736158a FL |
810 | SHOW_STR |
811 | "address\n" | |
812 | VRF_ALL_CMD_HELP_STR) | |
813 | { | |
1a1a7065 | 814 | struct vrf *vrf; |
8736158a FL |
815 | struct listnode *node; |
816 | struct listnode *node2; | |
817 | struct interface *ifp; | |
818 | struct connected *ifc; | |
819 | struct prefix *p; | |
8736158a | 820 | |
a62c4901 | 821 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 822 | { |
1a1a7065 | 823 | if (!vrf->iflist || !listcount (vrf->iflist)) |
8736158a FL |
824 | continue; |
825 | ||
1a1a7065 RW |
826 | vty_out (vty, "%sVRF %u%s%s", VTY_NEWLINE, vrf->vrf_id, VTY_NEWLINE, |
827 | VTY_NEWLINE); | |
8736158a | 828 | |
1a1a7065 | 829 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, ifp)) |
8736158a FL |
830 | { |
831 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
832 | { | |
833 | p = ifc->address; | |
834 | ||
835 | if (p->family == AF_INET) | |
836 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
837 | VTY_NEWLINE); | |
838 | } | |
839 | } | |
840 | } | |
841 | return CMD_SUCCESS; | |
842 | } | |
d7d73ffc | 843 | #endif |
8736158a | 844 | |
718e3744 | 845 | /* Allocate connected structure. */ |
846 | struct connected * | |
8cc4198f | 847 | connected_new (void) |
718e3744 | 848 | { |
393deb9b | 849 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 850 | } |
851 | ||
a80beece DS |
852 | /* Allocate nbr connected structure. */ |
853 | struct nbr_connected * | |
854 | nbr_connected_new (void) | |
855 | { | |
856 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
857 | } | |
858 | ||
718e3744 | 859 | /* Free connected structure. */ |
860 | void | |
861 | connected_free (struct connected *connected) | |
862 | { | |
863 | if (connected->address) | |
864 | prefix_free (connected->address); | |
865 | ||
866 | if (connected->destination) | |
867 | prefix_free (connected->destination); | |
868 | ||
869 | if (connected->label) | |
9c4f1c6f | 870 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 871 | |
872 | XFREE (MTYPE_CONNECTED, connected); | |
873 | } | |
874 | ||
a80beece DS |
875 | /* Free nbr connected structure. */ |
876 | void | |
877 | nbr_connected_free (struct nbr_connected *connected) | |
878 | { | |
879 | if (connected->address) | |
880 | prefix_free (connected->address); | |
881 | ||
882 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
883 | } | |
884 | ||
885 | /* If same interface nbr address already exists... */ | |
886 | struct nbr_connected * | |
887 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
888 | { | |
889 | struct nbr_connected *ifc; | |
890 | struct listnode *node; | |
891 | ||
892 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
893 | if (prefix_same (ifc->address, p)) | |
894 | return ifc; | |
895 | ||
896 | return NULL; | |
897 | } | |
898 | ||
718e3744 | 899 | /* Print if_addr structure. */ |
8cc4198f | 900 | static void __attribute__ ((unused)) |
718e3744 | 901 | connected_log (struct connected *connected, char *str) |
902 | { | |
903 | struct prefix *p; | |
904 | struct interface *ifp; | |
905 | char logbuf[BUFSIZ]; | |
906 | char buf[BUFSIZ]; | |
907 | ||
908 | ifp = connected->ifp; | |
909 | p = connected->address; | |
910 | ||
3968dbf8 FL |
911 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
912 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 913 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
914 | p->prefixlen); | |
915 | ||
916 | p = connected->destination; | |
917 | if (p) | |
918 | { | |
919 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
920 | BUFSIZ - strlen(logbuf)); | |
921 | } | |
4525281a | 922 | zlog_info("%s", logbuf); |
718e3744 | 923 | } |
924 | ||
a80beece DS |
925 | /* Print if_addr structure. */ |
926 | static void __attribute__ ((unused)) | |
927 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
928 | { | |
929 | struct prefix *p; | |
930 | struct interface *ifp; | |
931 | char logbuf[BUFSIZ]; | |
932 | char buf[BUFSIZ]; | |
933 | ||
934 | ifp = connected->ifp; | |
935 | p = connected->address; | |
936 | ||
937 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
938 | str, ifp->name, prefix_family_str (p), | |
939 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
940 | p->prefixlen); | |
941 | ||
4525281a | 942 | zlog_info("%s", logbuf); |
a80beece DS |
943 | } |
944 | ||
718e3744 | 945 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 946 | static int |
718e3744 | 947 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
948 | { | |
949 | if (p1->family == p2->family) | |
950 | { | |
951 | if (p1->family == AF_INET && | |
952 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
953 | return 1; | |
718e3744 | 954 | if (p1->family == AF_INET6 && |
955 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
956 | return 1; | |
718e3744 | 957 | } |
958 | return 0; | |
959 | } | |
960 | ||
38485402 DS |
961 | struct connected * |
962 | connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) | |
963 | { | |
964 | struct listnode *node; | |
965 | struct listnode *next; | |
966 | struct connected *ifc; | |
967 | ||
968 | for (node = listhead (ifp->connected); node; node = next) | |
969 | { | |
970 | ifc = listgetdata (node); | |
971 | next = node->next; | |
972 | ||
973 | if (connected_same_prefix (ifc->address, p)) | |
974 | return ifc; | |
975 | } | |
976 | return NULL; | |
977 | } | |
978 | ||
718e3744 | 979 | struct connected * |
980 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
981 | { | |
982 | struct listnode *node; | |
983 | struct listnode *next; | |
984 | struct connected *ifc; | |
985 | ||
986 | /* In case of same prefix come, replace it with new one. */ | |
987 | for (node = listhead (ifp->connected); node; node = next) | |
988 | { | |
1eb8ef25 | 989 | ifc = listgetdata (node); |
718e3744 | 990 | next = node->next; |
991 | ||
992 | if (connected_same_prefix (ifc->address, p)) | |
993 | { | |
994 | listnode_delete (ifp->connected, ifc); | |
995 | return ifc; | |
996 | } | |
997 | } | |
998 | return NULL; | |
999 | } | |
1000 | ||
bd40c341 | 1001 | /* Find the address on our side that will be used when packets |
727d104b | 1002 | are sent to dst. */ |
1003 | struct connected * | |
bd40c341 | 1004 | connected_lookup_prefix (struct interface *ifp, struct prefix *addr) |
727d104b | 1005 | { |
52dc7ee6 | 1006 | struct listnode *cnode; |
727d104b | 1007 | struct connected *c; |
1008 | struct connected *match; | |
1009 | ||
727d104b | 1010 | match = NULL; |
1011 | ||
1eb8ef25 | 1012 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1013 | { |
bd40c341 DS |
1014 | if (c->address && (c->address->family == addr->family) && |
1015 | prefix_match(CONNECTED_PREFIX(c), addr) && | |
e4529636 AS |
1016 | (!match || (c->address->prefixlen > match->address->prefixlen))) |
1017 | match = c; | |
727d104b | 1018 | } |
1019 | return match; | |
1020 | } | |
1021 | ||
4a7aac1b | 1022 | struct connected * |
1023 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1024 | struct prefix *destination) | |
1025 | { | |
1026 | struct connected *ifc; | |
1027 | ||
1028 | /* Allocate new connected address. */ | |
1029 | ifc = connected_new (); | |
1030 | ifc->ifp = ifp; | |
1031 | ||
1032 | /* Fetch interface address */ | |
1033 | ifc->address = prefix_new(); | |
1034 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1035 | ||
1036 | /* Fetch dest address */ | |
3fb9cd6e | 1037 | if (destination) |
1038 | { | |
1039 | ifc->destination = prefix_new(); | |
1040 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1041 | } | |
4a7aac1b | 1042 | |
1043 | /* Add connected address to the interface. */ | |
1044 | listnode_add (ifp->connected, ifc); | |
1045 | return ifc; | |
1046 | } | |
1047 | ||
8cc4198f | 1048 | #if 0 /* this route_table of struct connected's is unused |
1049 | * however, it would be good to use a route_table rather than | |
1050 | * a list.. | |
1051 | */ | |
718e3744 | 1052 | /* Interface looking up by interface's address. */ |
718e3744 | 1053 | /* Interface's IPv4 address reverse lookup table. */ |
1054 | struct route_table *ifaddr_ipv4_table; | |
1055 | /* struct route_table *ifaddr_ipv6_table; */ | |
1056 | ||
8cc4198f | 1057 | static void |
718e3744 | 1058 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1059 | { | |
1060 | struct route_node *rn; | |
1061 | struct prefix_ipv4 p; | |
1062 | ||
1063 | p.family = AF_INET; | |
1064 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1065 | p.prefix = *ifaddr; | |
1066 | ||
1067 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1068 | if (rn) | |
1069 | { | |
1070 | route_unlock_node (rn); | |
1071 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1072 | inet_ntoa (*ifaddr)); | |
1073 | return; | |
1074 | } | |
1075 | rn->info = ifp; | |
1076 | } | |
1077 | ||
8cc4198f | 1078 | static void |
718e3744 | 1079 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1080 | { | |
1081 | struct route_node *rn; | |
1082 | struct prefix_ipv4 p; | |
1083 | ||
1084 | p.family = AF_INET; | |
1085 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1086 | p.prefix = *ifaddr; | |
1087 | ||
1088 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1089 | if (! rn) | |
1090 | { | |
1091 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1092 | inet_ntoa (*ifaddr)); | |
1093 | return; | |
1094 | } | |
1095 | rn->info = NULL; | |
1096 | route_unlock_node (rn); | |
1097 | route_unlock_node (rn); | |
1098 | } | |
1099 | ||
1100 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1101 | static struct interface * |
b892f1dd | 1102 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1103 | { |
1104 | struct prefix_ipv4 p; | |
1105 | struct route_node *rn; | |
1106 | struct interface *ifp; | |
718e3744 | 1107 | |
1108 | if (addr) | |
1109 | { | |
1110 | p.family = AF_INET; | |
1111 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1112 | p.prefix = *addr; | |
1113 | ||
1114 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1115 | if (! rn) | |
1116 | return NULL; | |
1117 | ||
1118 | ifp = rn->info; | |
1119 | route_unlock_node (rn); | |
1120 | return ifp; | |
1121 | } | |
1122 | else | |
7e2b7603 | 1123 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1124 | } |
8cc4198f | 1125 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1126 | |
70d44c5c DL |
1127 | static void if_autocomplete(vector comps, struct cmd_token *token) |
1128 | { | |
1129 | struct interface *ifp; | |
1130 | struct listnode *ln; | |
1131 | struct vrf *vrf = NULL; | |
1132 | ||
1133 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) | |
1134 | { | |
1135 | for (ALL_LIST_ELEMENTS_RO(vrf->iflist, ln, ifp)) | |
1136 | vector_set (comps, XSTRDUP (MTYPE_COMPLETION, ifp->name)); | |
1137 | } | |
1138 | ||
1139 | } | |
1140 | ||
1141 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1142 | { | |
1143 | /* "interface NAME" */ | |
1144 | .varname = "interface", | |
1145 | .completions = if_autocomplete | |
1146 | }, { | |
1147 | .tokenname = "IFNAME", | |
1148 | .completions = if_autocomplete | |
1149 | }, { | |
1150 | .tokenname = "INTERFACE", | |
1151 | .completions = if_autocomplete | |
1152 | }, { | |
1153 | .completions = NULL | |
1154 | } | |
1155 | }; | |
1156 | ||
718e3744 | 1157 | /* Initialize interface list. */ |
1158 | void | |
b2d7c082 | 1159 | if_init (struct list **intf_list) |
718e3744 | 1160 | { |
8736158a | 1161 | *intf_list = list_new (); |
8cc4198f | 1162 | #if 0 |
718e3744 | 1163 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1164 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1165 | |
8736158a | 1166 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
70d44c5c DL |
1167 | |
1168 | cmd_variable_handler_register(if_var_handlers); | |
718e3744 | 1169 | } |
4bd045d5 TG |
1170 | |
1171 | void | |
b2d7c082 | 1172 | if_terminate (struct list **intf_list) |
4bd045d5 TG |
1173 | { |
1174 | for (;;) | |
1175 | { | |
1176 | struct interface *ifp; | |
1177 | ||
8736158a | 1178 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1179 | if (ifp == NULL) |
1180 | break; | |
1181 | ||
3f6d6a5d DS |
1182 | if (ifp->node) |
1183 | { | |
1184 | ifp->node->info = NULL; | |
1185 | route_unlock_node (ifp->node); | |
1186 | } | |
1187 | ||
4bd045d5 TG |
1188 | if_delete (ifp); |
1189 | } | |
1190 | ||
8736158a FL |
1191 | list_delete (*intf_list); |
1192 | *intf_list = NULL; | |
4bd045d5 | 1193 | } |
8ccc7e80 TT |
1194 | |
1195 | const char * | |
1196 | if_link_type_str (enum zebra_link_type llt) | |
1197 | { | |
1198 | switch (llt) | |
1199 | { | |
1200 | #define llts(T,S) case (T): return (S) | |
1201 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); | |
1202 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1203 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1204 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1205 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1206 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1207 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1208 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1209 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1210 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1211 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1212 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1213 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1214 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1215 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1216 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1217 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1218 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1219 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1220 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1221 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1222 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1223 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1224 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1225 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1226 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1227 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1228 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1229 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1230 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1231 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1232 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1233 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1234 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1235 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1236 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1237 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1238 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1239 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1240 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1241 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1242 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1243 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1244 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1245 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1246 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1247 | default: | |
1248 | zlog_warn ("Unknown value %d", llt); | |
1249 | return "Unknown type!"; | |
1250 | #undef llts | |
1251 | } | |
1252 | return NULL; | |
1253 | } | |
16f1b9ee OD |
1254 | |
1255 | struct if_link_params * | |
1256 | if_link_params_get (struct interface *ifp) | |
1257 | { | |
1258 | int i; | |
1259 | ||
1260 | if (ifp->link_params != NULL) | |
1261 | return ifp->link_params; | |
1262 | ||
1263 | struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, | |
1264 | sizeof (struct if_link_params)); | |
1265 | if (iflp == NULL) return NULL; | |
1266 | ||
daf0a4d2 | 1267 | /* Set TE metric equal to standard metric */ |
16f1b9ee OD |
1268 | iflp->te_metric = ifp->metric; |
1269 | ||
1270 | /* Compute default bandwidth based on interface */ | |
b6a9e7b4 DS |
1271 | iflp->default_bw = ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) |
1272 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee OD |
1273 | |
1274 | /* Set Max, Reservable and Unreserved Bandwidth */ | |
b6a9e7b4 DS |
1275 | iflp->max_bw = iflp->default_bw; |
1276 | iflp->max_rsv_bw = iflp->default_bw; | |
16f1b9ee | 1277 | for (i = 0; i < MAX_CLASS_TYPE; i++) |
b6a9e7b4 | 1278 | iflp->unrsv_bw[i] = iflp->default_bw; |
16f1b9ee OD |
1279 | |
1280 | /* Update Link parameters status */ | |
daf0a4d2 | 1281 | iflp->lp_status = LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; |
16f1b9ee OD |
1282 | |
1283 | /* Finally attach newly created Link Parameters */ | |
1284 | ifp->link_params = iflp; | |
1285 | ||
1286 | return iflp; | |
1287 | } | |
1288 | ||
1289 | void | |
1290 | if_link_params_free (struct interface *ifp) | |
1291 | { | |
1292 | if (ifp->link_params == NULL) return; | |
1293 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1294 | ifp->link_params = NULL; | |
1295 | } |