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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 | |
16895dbf | 161 | if_update_to_new_vrf (struct interface *ifp, 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 | ||
f93e3f69 | 169 | ifp->vrf_id = vrf_id; |
1306c09a | 170 | if (if_lookup_by_name (ifp->name, vrf_id) == NULL) |
f93e3f69 DS |
171 | listnode_add_sort (intf_list, ifp); |
172 | else | |
173 | zlog_err("if_create(%s): corruption detected -- interface with this " | |
174 | "name exists already in VRF %u!", ifp->name, vrf_id); | |
175 | ||
176 | return; | |
177 | } | |
178 | ||
179 | ||
d2fc8896 | 180 | /* Delete interface structure. */ |
718e3744 | 181 | void |
d2fc8896 | 182 | if_delete_retain (struct interface *ifp) |
718e3744 | 183 | { |
718e3744 | 184 | if (if_master.if_delete_hook) |
185 | (*if_master.if_delete_hook) (ifp); | |
186 | ||
e80e7cce DL |
187 | QOBJ_UNREG (ifp); |
188 | ||
718e3744 | 189 | /* Free connected address list */ |
2dd04c5d | 190 | list_delete_all_node (ifp->connected); |
a80beece DS |
191 | |
192 | /* Free connected nbr address list */ | |
193 | list_delete_all_node (ifp->nbr_connected); | |
d2fc8896 | 194 | } |
195 | ||
196 | /* Delete and free interface structure. */ | |
197 | void | |
198 | if_delete (struct interface *ifp) | |
199 | { | |
8736158a | 200 | listnode_delete (vrf_iflist (ifp->vrf_id), ifp); |
d2fc8896 | 201 | |
202 | if_delete_retain(ifp); | |
718e3744 | 203 | |
2dd04c5d | 204 | list_free (ifp->connected); |
a80beece | 205 | list_free (ifp->nbr_connected); |
2dd04c5d | 206 | |
16f1b9ee OD |
207 | if_link_params_free (ifp); |
208 | ||
718e3744 | 209 | XFREE (MTYPE_IF, ifp); |
210 | } | |
211 | ||
212 | /* Add hook to interface master. */ | |
213 | void | |
214 | if_add_hook (int type, int (*func)(struct interface *ifp)) | |
215 | { | |
216 | switch (type) { | |
217 | case IF_NEW_HOOK: | |
218 | if_master.if_new_hook = func; | |
219 | break; | |
220 | case IF_DELETE_HOOK: | |
221 | if_master.if_delete_hook = func; | |
222 | break; | |
223 | default: | |
224 | break; | |
225 | } | |
226 | } | |
227 | ||
228 | /* Interface existance check by index. */ | |
229 | struct interface * | |
7e2b7603 | 230 | if_lookup_by_index (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 231 | { |
52dc7ee6 | 232 | struct listnode *node; |
718e3744 | 233 | struct interface *ifp; |
234 | ||
8736158a | 235 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 236 | { |
b892f1dd | 237 | if (ifp->ifindex == ifindex) |
718e3744 | 238 | return ifp; |
239 | } | |
240 | return NULL; | |
241 | } | |
242 | ||
8cc4198f | 243 | const char * |
baaea325 | 244 | ifindex2ifname (ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 245 | { |
718e3744 | 246 | struct interface *ifp; |
247 | ||
7e2b7603 | 248 | return ((ifp = if_lookup_by_index (ifindex, vrf_id)) != NULL) ? |
8cc4198f | 249 | ifp->name : "unknown"; |
d2fc8896 | 250 | } |
251 | ||
b892f1dd | 252 | ifindex_t |
128c2be2 | 253 | ifname2ifindex (const char *name, vrf_id_t vrf_id) |
d2fc8896 | 254 | { |
255 | struct interface *ifp; | |
256 | ||
1306c09a | 257 | return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp->ifindex |
3e4ee959 | 258 | : IFINDEX_INTERNAL; |
718e3744 | 259 | } |
260 | ||
261 | /* Interface existance check by interface name. */ | |
262 | struct interface * | |
1306c09a | 263 | if_lookup_by_name (const char *name, vrf_id_t vrf_id) |
718e3744 | 264 | { |
52dc7ee6 | 265 | struct listnode *node; |
718e3744 | 266 | struct interface *ifp; |
3e4ee959 PJ |
267 | |
268 | if (name) | |
8736158a | 269 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
3e4ee959 PJ |
270 | { |
271 | if (strcmp(name, ifp->name) == 0) | |
272 | return ifp; | |
273 | } | |
718e3744 | 274 | return NULL; |
275 | } | |
276 | ||
f8962871 DS |
277 | struct interface * |
278 | if_lookup_by_name_all_vrf (const char *name) | |
279 | { | |
1a1a7065 | 280 | struct vrf *vrf; |
f8962871 | 281 | struct interface *ifp; |
f8962871 | 282 | |
1a1a7065 | 283 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
f8962871 | 284 | { |
1306c09a | 285 | ifp = if_lookup_by_name (name, vrf->vrf_id); |
f8962871 DS |
286 | if (ifp) |
287 | return ifp; | |
288 | } | |
289 | ||
290 | return NULL; | |
291 | } | |
292 | ||
8736158a | 293 | struct interface * |
fa787f91 | 294 | if_lookup_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id) |
a349198f | 295 | { |
296 | struct listnode *node; | |
1eb8ef25 | 297 | struct interface *ifp; |
a349198f | 298 | |
299 | if (namelen > INTERFACE_NAMSIZ) | |
300 | return NULL; | |
301 | ||
8736158a | 302 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
a349198f | 303 | { |
a349198f | 304 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) |
305 | return ifp; | |
306 | } | |
307 | return NULL; | |
308 | } | |
309 | ||
718e3744 | 310 | /* Lookup interface by IPv4 address. */ |
311 | struct interface * | |
c5e2cb11 | 312 | if_lookup_exact_address (void *src, int family, vrf_id_t vrf_id) |
718e3744 | 313 | { |
52dc7ee6 | 314 | struct listnode *node; |
315 | struct listnode *cnode; | |
718e3744 | 316 | struct interface *ifp; |
317 | struct prefix *p; | |
318 | struct connected *c; | |
319 | ||
8736158a | 320 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 321 | { |
1eb8ef25 | 322 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 323 | { |
718e3744 | 324 | p = c->address; |
325 | ||
0aabccc0 | 326 | if (p && (p->family == family)) |
718e3744 | 327 | { |
0aabccc0 DD |
328 | if (family == AF_INET) |
329 | { | |
330 | if (IPV4_ADDR_SAME (&p->u.prefix4, (struct in_addr *)src)) | |
331 | return ifp; | |
332 | } | |
333 | else if (family == AF_INET6) | |
334 | { | |
0527bd80 | 335 | if (IPV6_ADDR_SAME (&p->u.prefix6, (struct in6_addr *)src)) |
0aabccc0 DD |
336 | return ifp; |
337 | } | |
338 | } | |
718e3744 | 339 | } |
340 | } | |
341 | return NULL; | |
342 | } | |
343 | ||
344 | /* Lookup interface by IPv4 address. */ | |
b10ce841 | 345 | struct connected * |
95af5f13 | 346 | if_lookup_address (void *matchaddr, int family, vrf_id_t vrf_id) |
718e3744 | 347 | { |
52dc7ee6 | 348 | struct listnode *node; |
718e3744 | 349 | struct prefix addr; |
3fb9cd6e | 350 | int bestlen = 0; |
52dc7ee6 | 351 | struct listnode *cnode; |
718e3744 | 352 | struct interface *ifp; |
718e3744 | 353 | struct connected *c; |
b10ce841 | 354 | struct connected *match; |
718e3744 | 355 | |
0aabccc0 DD |
356 | if (family == AF_INET) |
357 | { | |
358 | addr.family = AF_INET; | |
359 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
360 | addr.prefixlen = IPV4_MAX_BITLEN; | |
361 | } | |
362 | else if (family == AF_INET6) | |
363 | { | |
364 | addr.family = AF_INET6; | |
365 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
366 | addr.prefixlen = IPV6_MAX_BITLEN; | |
367 | } | |
718e3744 | 368 | |
369 | match = NULL; | |
370 | ||
8736158a | 371 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
718e3744 | 372 | { |
1eb8ef25 | 373 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
718e3744 | 374 | { |
e4529636 AS |
375 | if (c->address && (c->address->family == AF_INET) && |
376 | prefix_match(CONNECTED_PREFIX(c), &addr) && | |
377 | (c->address->prefixlen > bestlen)) | |
718e3744 | 378 | { |
e4529636 | 379 | bestlen = c->address->prefixlen; |
b10ce841 | 380 | match = c; |
718e3744 | 381 | } |
382 | } | |
383 | } | |
384 | return match; | |
385 | } | |
386 | ||
b81e97a8 DD |
387 | /* Lookup interface by prefix */ |
388 | struct interface * | |
a90607a4 | 389 | if_lookup_prefix (struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 DD |
390 | { |
391 | struct listnode *node; | |
b81e97a8 DD |
392 | struct listnode *cnode; |
393 | struct interface *ifp; | |
394 | struct connected *c; | |
395 | ||
8736158a | 396 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) |
b81e97a8 DD |
397 | { |
398 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) | |
399 | { | |
400 | if (prefix_cmp(c->address, prefix) == 0) | |
401 | { | |
402 | return ifp; | |
403 | } | |
404 | } | |
405 | } | |
406 | return NULL; | |
407 | } | |
408 | ||
718e3744 | 409 | /* Get interface by name if given name interface doesn't exist create |
410 | one. */ | |
411 | struct interface * | |
92a57eb2 | 412 | if_get_by_name (const char *name, vrf_id_t vrf_id) |
718e3744 | 413 | { |
414 | struct interface *ifp; | |
415 | ||
1306c09a | 416 | return ((ifp = if_lookup_by_name (name, vrf_id)) != NULL) ? ifp : |
4e5266b8 | 417 | if_create (name, strlen(name), vrf_id); |
a349198f | 418 | } |
419 | ||
8736158a | 420 | struct interface * |
07a112a1 | 421 | if_get_by_name_len (const char *name, size_t namelen, vrf_id_t vrf_id, int vty) |
a349198f | 422 | { |
423 | struct interface *ifp; | |
1a1a7065 | 424 | struct vrf *vrf; |
85f9da7f | 425 | struct listnode *node; |
85f9da7f | 426 | |
fa787f91 | 427 | ifp = if_lookup_by_name_len (name, namelen, vrf_id); |
85f9da7f DS |
428 | if (ifp) |
429 | return ifp; | |
a349198f | 430 | |
85f9da7f | 431 | /* Didn't find the interface on that vrf. Defined on a different one? */ |
1a1a7065 | 432 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
85f9da7f | 433 | { |
85f9da7f DS |
434 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf->vrf_id), node, ifp)) |
435 | { | |
436 | if (!memcmp(name, ifp->name, namelen) && (ifp->name[namelen] == '\0')) | |
437 | { | |
438 | /* Found a match. If the interface command was entered in vty without a | |
439 | * VRF (passed as VRF_DEFAULT), accept the ifp we found. If a vrf was | |
440 | * entered and there is a mismatch, reject it if from vty. If it came | |
441 | * from the kernel by way of zclient, believe it and update | |
442 | * the ifp accordingly. | |
443 | */ | |
53eadacf | 444 | if (vty) |
445 | { | |
446 | if (vrf_id == VRF_DEFAULT) | |
447 | return ifp; | |
448 | return NULL; | |
449 | } | |
85f9da7f DS |
450 | else |
451 | { | |
16895dbf | 452 | if_update_to_new_vrf (ifp, vrf_id); |
85f9da7f DS |
453 | return ifp; |
454 | } | |
455 | } | |
456 | } | |
457 | } | |
4e5266b8 | 458 | return (if_create (name, namelen, vrf_id)); |
8736158a FL |
459 | } |
460 | ||
718e3744 | 461 | /* Does interface up ? */ |
462 | int | |
463 | if_is_up (struct interface *ifp) | |
464 | { | |
465 | return ifp->flags & IFF_UP; | |
466 | } | |
467 | ||
2e3b2e47 | 468 | /* Is interface running? */ |
469 | int | |
470 | if_is_running (struct interface *ifp) | |
471 | { | |
472 | return ifp->flags & IFF_RUNNING; | |
473 | } | |
474 | ||
475 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
476 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
477 | if ptm checking is enabled, then ptm check has passed */ | |
2e3b2e47 | 478 | int |
479 | if_is_operative (struct interface *ifp) | |
480 | { | |
481 | return ((ifp->flags & IFF_UP) && | |
244c1cdc DS |
482 | (((ifp->flags & IFF_RUNNING) && |
483 | (ifp->ptm_status || !ifp->ptm_enable)) || | |
484 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
485 | } | |
486 | ||
487 | /* Is the interface operative, eg. either UP & RUNNING | |
488 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
489 | int | |
490 | if_is_no_ptm_operative (struct interface *ifp) | |
491 | { | |
492 | return ((ifp->flags & IFF_UP) && | |
493 | ((ifp->flags & IFF_RUNNING) || | |
494 | !CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 495 | } |
496 | ||
718e3744 | 497 | /* Is this loopback interface ? */ |
498 | int | |
499 | if_is_loopback (struct interface *ifp) | |
500 | { | |
4ba9b924 | 501 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
502 | * but Y on platform N? | |
503 | */ | |
504 | return (ifp->flags & (IFF_LOOPBACK|IFF_NOXMIT|IFF_VIRTUAL)); | |
718e3744 | 505 | } |
506 | ||
507 | /* Does this interface support broadcast ? */ | |
508 | int | |
509 | if_is_broadcast (struct interface *ifp) | |
510 | { | |
511 | return ifp->flags & IFF_BROADCAST; | |
512 | } | |
513 | ||
514 | /* Does this interface support broadcast ? */ | |
515 | int | |
516 | if_is_pointopoint (struct interface *ifp) | |
517 | { | |
518 | return ifp->flags & IFF_POINTOPOINT; | |
519 | } | |
520 | ||
521 | /* Does this interface support multicast ? */ | |
522 | int | |
523 | if_is_multicast (struct interface *ifp) | |
524 | { | |
525 | return ifp->flags & IFF_MULTICAST; | |
526 | } | |
527 | ||
528 | /* Printout flag information into log */ | |
529 | const char * | |
530 | if_flag_dump (unsigned long flag) | |
531 | { | |
532 | int separator = 0; | |
533 | static char logbuf[BUFSIZ]; | |
534 | ||
535 | #define IFF_OUT_LOG(X,STR) \ | |
4ba9b924 | 536 | if (flag & (X)) \ |
718e3744 | 537 | { \ |
538 | if (separator) \ | |
539 | strlcat (logbuf, ",", BUFSIZ); \ | |
540 | else \ | |
541 | separator = 1; \ | |
542 | strlcat (logbuf, STR, BUFSIZ); \ | |
543 | } | |
544 | ||
630c97ce | 545 | strlcpy (logbuf, "<", BUFSIZ); |
718e3744 | 546 | IFF_OUT_LOG (IFF_UP, "UP"); |
547 | IFF_OUT_LOG (IFF_BROADCAST, "BROADCAST"); | |
548 | IFF_OUT_LOG (IFF_DEBUG, "DEBUG"); | |
549 | IFF_OUT_LOG (IFF_LOOPBACK, "LOOPBACK"); | |
550 | IFF_OUT_LOG (IFF_POINTOPOINT, "POINTOPOINT"); | |
551 | IFF_OUT_LOG (IFF_NOTRAILERS, "NOTRAILERS"); | |
552 | IFF_OUT_LOG (IFF_RUNNING, "RUNNING"); | |
553 | IFF_OUT_LOG (IFF_NOARP, "NOARP"); | |
554 | IFF_OUT_LOG (IFF_PROMISC, "PROMISC"); | |
555 | IFF_OUT_LOG (IFF_ALLMULTI, "ALLMULTI"); | |
556 | IFF_OUT_LOG (IFF_OACTIVE, "OACTIVE"); | |
557 | IFF_OUT_LOG (IFF_SIMPLEX, "SIMPLEX"); | |
558 | IFF_OUT_LOG (IFF_LINK0, "LINK0"); | |
559 | IFF_OUT_LOG (IFF_LINK1, "LINK1"); | |
560 | IFF_OUT_LOG (IFF_LINK2, "LINK2"); | |
561 | IFF_OUT_LOG (IFF_MULTICAST, "MULTICAST"); | |
4ba9b924 | 562 | IFF_OUT_LOG (IFF_NOXMIT, "NOXMIT"); |
563 | IFF_OUT_LOG (IFF_NORTEXCH, "NORTEXCH"); | |
564 | IFF_OUT_LOG (IFF_VIRTUAL, "VIRTUAL"); | |
565 | IFF_OUT_LOG (IFF_IPV4, "IPv4"); | |
566 | IFF_OUT_LOG (IFF_IPV6, "IPv6"); | |
718e3744 | 567 | |
568 | strlcat (logbuf, ">", BUFSIZ); | |
569 | ||
570 | return logbuf; | |
630c97ce | 571 | #undef IFF_OUT_LOG |
718e3744 | 572 | } |
573 | ||
574 | /* For debugging */ | |
8cc4198f | 575 | static void |
cedd7f2f | 576 | if_dump (const struct interface *ifp) |
718e3744 | 577 | { |
1f9a9fff PJ |
578 | struct listnode *node; |
579 | struct connected *c __attribute__((unused)); | |
580 | ||
581 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, c)) | |
3968dbf8 | 582 | zlog_info ("Interface %s vrf %u index %d metric %d mtu %d " |
1f9a9fff | 583 | "mtu6 %d %s", |
3968dbf8 | 584 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, ifp->mtu, |
1f9a9fff | 585 | ifp->mtu6, if_flag_dump (ifp->flags)); |
718e3744 | 586 | } |
587 | ||
588 | /* Interface printing for all interface. */ | |
589 | void | |
66e5cd87 | 590 | if_dump_all (void) |
718e3744 | 591 | { |
1a1a7065 | 592 | struct vrf *vrf; |
52dc7ee6 | 593 | struct listnode *node; |
1eb8ef25 | 594 | void *p; |
718e3744 | 595 | |
1a1a7065 RW |
596 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
597 | if (vrf->iflist != NULL) | |
598 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, p)) | |
8736158a | 599 | if_dump (p); |
718e3744 | 600 | } |
601 | ||
6147e2c6 | 602 | DEFUN (interface_desc, |
718e3744 | 603 | interface_desc_cmd, |
fcbee690 | 604 | "description LINE...", |
718e3744 | 605 | "Interface specific description\n" |
606 | "Characters describing this interface\n") | |
607 | { | |
58749582 | 608 | int idx_line = 1; |
be301cc2 | 609 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 610 | |
718e3744 | 611 | if (ifp->desc) |
3b8b1855 | 612 | XFREE (MTYPE_TMP, ifp->desc); |
58749582 | 613 | ifp->desc = argv_concat(argv, argc, idx_line); |
718e3744 | 614 | |
615 | return CMD_SUCCESS; | |
616 | } | |
617 | ||
6147e2c6 | 618 | DEFUN (no_interface_desc, |
718e3744 | 619 | no_interface_desc_cmd, |
620 | "no description", | |
621 | NO_STR | |
622 | "Interface specific description\n") | |
623 | { | |
be301cc2 | 624 | VTY_DECLVAR_CONTEXT (interface, ifp); |
718e3744 | 625 | |
718e3744 | 626 | if (ifp->desc) |
0241684e | 627 | XFREE (MTYPE_TMP, ifp->desc); |
718e3744 | 628 | ifp->desc = NULL; |
629 | ||
630 | return CMD_SUCCESS; | |
631 | } | |
6b0655a2 | 632 | |
98954844 PJ |
633 | #ifdef SUNOS_5 |
634 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
635 | * a seperate struct interface for each logical interface, so config | |
636 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
637 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
638 | * interfaces can be fruitless, for that reason Quagga only tracks | |
639 | * the primary IP interface. | |
640 | * | |
641 | * We try accomodate SUNWzebra by: | |
642 | * - looking up the interface name, to see whether it exists, if so | |
643 | * its useable | |
644 | * - for protocol daemons, this could only because zebra told us of | |
645 | * the interface | |
646 | * - for zebra, only because it learnt from kernel | |
647 | * - if not: | |
648 | * - search the name to see if it contains a sub-ipif / logical interface | |
649 | * seperator, the ':' char. If it does: | |
650 | * - text up to that char must be the primary name - get that name. | |
651 | * if not: | |
652 | * - no idea, just get the name in its entirety. | |
653 | */ | |
654 | static struct interface * | |
8736158a | 655 | if_sunwzebra_get (const char *name, size_t nlen, vrf_id_t vrf_id) |
98954844 PJ |
656 | { |
657 | struct interface *ifp; | |
658 | size_t seppos = 0; | |
718e3744 | 659 | |
fa787f91 | 660 | if ( (ifp = if_lookup_by_name_len (name, nlen, vrf_id)) != NULL) |
98954844 PJ |
661 | return ifp; |
662 | ||
663 | /* hunt the primary interface name... */ | |
664 | while (seppos < nlen && name[seppos] != ':') | |
665 | seppos++; | |
666 | ||
667 | /* Wont catch seperator as last char, e.g. 'foo0:' but thats invalid */ | |
668 | if (seppos < nlen) | |
07a112a1 | 669 | return if_get_by_name_len (name, seppos, vrf_id, 1); |
98954844 | 670 | else |
07a112a1 | 671 | return if_get_by_name_len (name, nlen, vrf_id, 1); |
98954844 PJ |
672 | } |
673 | #endif /* SUNOS_5 */ | |
6b0655a2 | 674 | |
718e3744 | 675 | DEFUN (interface, |
676 | interface_cmd, | |
199d90a1 | 677 | "interface IFNAME [vrf NAME]", |
718e3744 | 678 | "Select an interface to configure\n" |
fcbee690 QY |
679 | "Interface's name\n" |
680 | VRF_CMD_HELP_STR) | |
718e3744 | 681 | { |
c349116d | 682 | int idx_ifname = 1; |
abddf075 | 683 | int idx_vrf = 3; |
c349116d | 684 | const char *ifname = argv[idx_ifname]->arg; |
abddf075 | 685 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 686 | |
718e3744 | 687 | struct interface *ifp; |
d2fc8896 | 688 | size_t sl; |
8736158a | 689 | vrf_id_t vrf_id = VRF_DEFAULT; |
d2fc8896 | 690 | |
fcbee690 | 691 | if ((sl = strlen(ifname)) > INTERFACE_NAMSIZ) |
d2fc8896 | 692 | { |
96ade3ed QY |
693 | vty_outln (vty, "%% Interface name %s is invalid: length exceeds " |
694 | "%d characters", | |
695 | ifname, INTERFACE_NAMSIZ); | |
f1a05de9 | 696 | return CMD_WARNING_CONFIG_FAILED; |
d2fc8896 | 697 | } |
718e3744 | 698 | |
f93e3f69 DS |
699 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
700 | Imagine forward reference of a vrf by name in this interface config */ | |
fcbee690 QY |
701 | if (vrfname) |
702 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 703 | |
98954844 | 704 | #ifdef SUNOS_5 |
fcbee690 | 705 | ifp = if_sunwzebra_get (ifname, sl, vrf_id); |
98954844 | 706 | #else |
07a112a1 | 707 | ifp = if_get_by_name_len (ifname, sl, vrf_id, 1); |
98954844 | 708 | #endif /* SUNOS_5 */ |
718e3744 | 709 | |
85f9da7f DS |
710 | if (!ifp) |
711 | { | |
96ade3ed | 712 | vty_outln (vty, "%% interface %s not in %s", ifname, vrfname); |
f1a05de9 | 713 | return CMD_WARNING_CONFIG_FAILED; |
85f9da7f | 714 | } |
a50b7ceb | 715 | VTY_PUSH_CONTEXT (INTERFACE_NODE, ifp); |
718e3744 | 716 | |
717 | return CMD_SUCCESS; | |
718 | } | |
719 | ||
32d2463c | 720 | DEFUN_NOSH (no_interface, |
721 | no_interface_cmd, | |
199d90a1 | 722 | "no interface IFNAME [vrf NAME]", |
32d2463c | 723 | NO_STR |
724 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
725 | "Interface's name\n" |
726 | VRF_CMD_HELP_STR) | |
32d2463c | 727 | { |
fcbee690 QY |
728 | const char *ifname = argv[2]->arg; |
729 | const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; | |
730 | ||
32d2463c | 731 | // deleting interface |
732 | struct interface *ifp; | |
8736158a | 733 | vrf_id_t vrf_id = VRF_DEFAULT; |
32d2463c | 734 | |
fcbee690 QY |
735 | if (argc > 3) |
736 | VRF_GET_ID (vrf_id, vrfname); | |
cd2a8a42 | 737 | |
1306c09a | 738 | ifp = if_lookup_by_name (ifname, vrf_id); |
32d2463c | 739 | |
740 | if (ifp == NULL) | |
d2fc8896 | 741 | { |
1318e7c8 | 742 | vty_out (vty, "%% Interface %s does not exist%s", ifname, VTYNL); |
f1a05de9 | 743 | return CMD_WARNING_CONFIG_FAILED; |
d2fc8896 | 744 | } |
32d2463c | 745 | |
bfc13532 | 746 | if (CHECK_FLAG (ifp->status, ZEBRA_INTERFACE_ACTIVE)) |
d2fc8896 | 747 | { |
748 | vty_out (vty, "%% Only inactive interfaces can be deleted%s", | |
1318e7c8 | 749 | VTYNL); |
f1a05de9 | 750 | return CMD_WARNING_CONFIG_FAILED; |
d2fc8896 | 751 | } |
32d2463c | 752 | |
753 | if_delete(ifp); | |
754 | ||
755 | return CMD_SUCCESS; | |
756 | } | |
757 | ||
0b84f294 DL |
758 | void |
759 | if_cmd_init (void) | |
760 | { | |
761 | install_element (CONFIG_NODE, &interface_cmd); | |
762 | install_element (CONFIG_NODE, &no_interface_cmd); | |
763 | ||
764 | install_default (INTERFACE_NODE); | |
765 | install_element (INTERFACE_NODE, &interface_desc_cmd); | |
766 | install_element (INTERFACE_NODE, &no_interface_desc_cmd); | |
767 | } | |
768 | ||
d7d73ffc | 769 | #if 0 |
718e3744 | 770 | /* For debug purpose. */ |
771 | DEFUN (show_address, | |
772 | show_address_cmd, | |
199d90a1 | 773 | "show address [vrf NAME]", |
718e3744 | 774 | SHOW_STR |
fcbee690 QY |
775 | "address\n" |
776 | VRF_CMD_HELP_STR) | |
718e3744 | 777 | { |
abddf075 | 778 | int idx_vrf = 3; |
52dc7ee6 | 779 | struct listnode *node; |
780 | struct listnode *node2; | |
718e3744 | 781 | struct interface *ifp; |
782 | struct connected *ifc; | |
783 | struct prefix *p; | |
8736158a | 784 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 785 | |
fcbee690 | 786 | if (argc > 2) |
58749582 | 787 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a FL |
788 | |
789 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 790 | { |
1eb8ef25 | 791 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 792 | { |
718e3744 | 793 | p = ifc->address; |
794 | ||
795 | if (p->family == AF_INET) | |
796 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
1318e7c8 | 797 | VTYNL); |
718e3744 | 798 | } |
799 | } | |
800 | return CMD_SUCCESS; | |
801 | } | |
802 | ||
8736158a FL |
803 | DEFUN (show_address_vrf_all, |
804 | show_address_vrf_all_cmd, | |
9ccf14f7 | 805 | "show address vrf all", |
8736158a FL |
806 | SHOW_STR |
807 | "address\n" | |
808 | VRF_ALL_CMD_HELP_STR) | |
809 | { | |
1a1a7065 | 810 | struct vrf *vrf; |
8736158a FL |
811 | struct listnode *node; |
812 | struct listnode *node2; | |
813 | struct interface *ifp; | |
814 | struct connected *ifc; | |
815 | struct prefix *p; | |
8736158a | 816 | |
a62c4901 | 817 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 818 | { |
1a1a7065 | 819 | if (!vrf->iflist || !listcount (vrf->iflist)) |
8736158a FL |
820 | continue; |
821 | ||
1318e7c8 QY |
822 | vty_out (vty, "%sVRF %u%s%s", VTYNL, vrf->vrf_id, VTYNL, |
823 | VTYNL); | |
8736158a | 824 | |
1a1a7065 | 825 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, ifp)) |
8736158a FL |
826 | { |
827 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
828 | { | |
829 | p = ifc->address; | |
830 | ||
831 | if (p->family == AF_INET) | |
832 | vty_out (vty, "%s/%d%s", inet_ntoa (p->u.prefix4), p->prefixlen, | |
1318e7c8 | 833 | VTYNL); |
8736158a FL |
834 | } |
835 | } | |
836 | } | |
837 | return CMD_SUCCESS; | |
838 | } | |
d7d73ffc | 839 | #endif |
8736158a | 840 | |
718e3744 | 841 | /* Allocate connected structure. */ |
842 | struct connected * | |
8cc4198f | 843 | connected_new (void) |
718e3744 | 844 | { |
393deb9b | 845 | return XCALLOC (MTYPE_CONNECTED, sizeof (struct connected)); |
718e3744 | 846 | } |
847 | ||
a80beece DS |
848 | /* Allocate nbr connected structure. */ |
849 | struct nbr_connected * | |
850 | nbr_connected_new (void) | |
851 | { | |
852 | return XCALLOC (MTYPE_NBR_CONNECTED, sizeof (struct nbr_connected)); | |
853 | } | |
854 | ||
718e3744 | 855 | /* Free connected structure. */ |
856 | void | |
857 | connected_free (struct connected *connected) | |
858 | { | |
859 | if (connected->address) | |
860 | prefix_free (connected->address); | |
861 | ||
862 | if (connected->destination) | |
863 | prefix_free (connected->destination); | |
864 | ||
865 | if (connected->label) | |
9c4f1c6f | 866 | XFREE (MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 867 | |
868 | XFREE (MTYPE_CONNECTED, connected); | |
869 | } | |
870 | ||
a80beece DS |
871 | /* Free nbr connected structure. */ |
872 | void | |
873 | nbr_connected_free (struct nbr_connected *connected) | |
874 | { | |
875 | if (connected->address) | |
876 | prefix_free (connected->address); | |
877 | ||
878 | XFREE (MTYPE_NBR_CONNECTED, connected); | |
879 | } | |
880 | ||
881 | /* If same interface nbr address already exists... */ | |
882 | struct nbr_connected * | |
883 | nbr_connected_check (struct interface *ifp, struct prefix *p) | |
884 | { | |
885 | struct nbr_connected *ifc; | |
886 | struct listnode *node; | |
887 | ||
888 | for (ALL_LIST_ELEMENTS_RO (ifp->nbr_connected, node, ifc)) | |
889 | if (prefix_same (ifc->address, p)) | |
890 | return ifc; | |
891 | ||
892 | return NULL; | |
893 | } | |
894 | ||
718e3744 | 895 | /* Print if_addr structure. */ |
8cc4198f | 896 | static void __attribute__ ((unused)) |
718e3744 | 897 | connected_log (struct connected *connected, char *str) |
898 | { | |
899 | struct prefix *p; | |
900 | struct interface *ifp; | |
901 | char logbuf[BUFSIZ]; | |
902 | char buf[BUFSIZ]; | |
903 | ||
904 | ifp = connected->ifp; | |
905 | p = connected->address; | |
906 | ||
3968dbf8 FL |
907 | snprintf (logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", |
908 | str, ifp->name, ifp->vrf_id, prefix_family_str (p), | |
718e3744 | 909 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), |
910 | p->prefixlen); | |
911 | ||
912 | p = connected->destination; | |
913 | if (p) | |
914 | { | |
915 | strncat (logbuf, inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
916 | BUFSIZ - strlen(logbuf)); | |
917 | } | |
4525281a | 918 | zlog_info("%s", logbuf); |
718e3744 | 919 | } |
920 | ||
a80beece DS |
921 | /* Print if_addr structure. */ |
922 | static void __attribute__ ((unused)) | |
923 | nbr_connected_log (struct nbr_connected *connected, char *str) | |
924 | { | |
925 | struct prefix *p; | |
926 | struct interface *ifp; | |
927 | char logbuf[BUFSIZ]; | |
928 | char buf[BUFSIZ]; | |
929 | ||
930 | ifp = connected->ifp; | |
931 | p = connected->address; | |
932 | ||
933 | snprintf (logbuf, BUFSIZ, "%s interface %s %s %s/%d ", | |
934 | str, ifp->name, prefix_family_str (p), | |
935 | inet_ntop (p->family, &p->u.prefix, buf, BUFSIZ), | |
936 | p->prefixlen); | |
937 | ||
4525281a | 938 | zlog_info("%s", logbuf); |
a80beece DS |
939 | } |
940 | ||
718e3744 | 941 | /* If two connected address has same prefix return 1. */ |
8cc4198f | 942 | static int |
718e3744 | 943 | connected_same_prefix (struct prefix *p1, struct prefix *p2) |
944 | { | |
945 | if (p1->family == p2->family) | |
946 | { | |
947 | if (p1->family == AF_INET && | |
948 | IPV4_ADDR_SAME (&p1->u.prefix4, &p2->u.prefix4)) | |
949 | return 1; | |
718e3744 | 950 | if (p1->family == AF_INET6 && |
951 | IPV6_ADDR_SAME (&p1->u.prefix6, &p2->u.prefix6)) | |
952 | return 1; | |
718e3744 | 953 | } |
954 | return 0; | |
955 | } | |
956 | ||
38485402 DS |
957 | struct connected * |
958 | connected_lookup_prefix_exact (struct interface *ifp, struct prefix *p) | |
959 | { | |
960 | struct listnode *node; | |
961 | struct listnode *next; | |
962 | struct connected *ifc; | |
963 | ||
964 | for (node = listhead (ifp->connected); node; node = next) | |
965 | { | |
966 | ifc = listgetdata (node); | |
967 | next = node->next; | |
968 | ||
969 | if (connected_same_prefix (ifc->address, p)) | |
970 | return ifc; | |
971 | } | |
972 | return NULL; | |
973 | } | |
974 | ||
718e3744 | 975 | struct connected * |
976 | connected_delete_by_prefix (struct interface *ifp, struct prefix *p) | |
977 | { | |
978 | struct listnode *node; | |
979 | struct listnode *next; | |
980 | struct connected *ifc; | |
981 | ||
982 | /* In case of same prefix come, replace it with new one. */ | |
983 | for (node = listhead (ifp->connected); node; node = next) | |
984 | { | |
1eb8ef25 | 985 | ifc = listgetdata (node); |
718e3744 | 986 | next = node->next; |
987 | ||
988 | if (connected_same_prefix (ifc->address, p)) | |
989 | { | |
990 | listnode_delete (ifp->connected, ifc); | |
991 | return ifc; | |
992 | } | |
993 | } | |
994 | return NULL; | |
995 | } | |
996 | ||
bd40c341 | 997 | /* Find the address on our side that will be used when packets |
727d104b | 998 | are sent to dst. */ |
999 | struct connected * | |
bd40c341 | 1000 | connected_lookup_prefix (struct interface *ifp, struct prefix *addr) |
727d104b | 1001 | { |
52dc7ee6 | 1002 | struct listnode *cnode; |
727d104b | 1003 | struct connected *c; |
1004 | struct connected *match; | |
1005 | ||
727d104b | 1006 | match = NULL; |
1007 | ||
1eb8ef25 | 1008 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, cnode, c)) |
727d104b | 1009 | { |
bd40c341 DS |
1010 | if (c->address && (c->address->family == addr->family) && |
1011 | prefix_match(CONNECTED_PREFIX(c), addr) && | |
e4529636 AS |
1012 | (!match || (c->address->prefixlen > match->address->prefixlen))) |
1013 | match = c; | |
727d104b | 1014 | } |
1015 | return match; | |
1016 | } | |
1017 | ||
4a7aac1b | 1018 | struct connected * |
1019 | connected_add_by_prefix (struct interface *ifp, struct prefix *p, | |
1020 | struct prefix *destination) | |
1021 | { | |
1022 | struct connected *ifc; | |
1023 | ||
1024 | /* Allocate new connected address. */ | |
1025 | ifc = connected_new (); | |
1026 | ifc->ifp = ifp; | |
1027 | ||
1028 | /* Fetch interface address */ | |
1029 | ifc->address = prefix_new(); | |
1030 | memcpy (ifc->address, p, sizeof(struct prefix)); | |
1031 | ||
1032 | /* Fetch dest address */ | |
3fb9cd6e | 1033 | if (destination) |
1034 | { | |
1035 | ifc->destination = prefix_new(); | |
1036 | memcpy (ifc->destination, destination, sizeof(struct prefix)); | |
1037 | } | |
4a7aac1b | 1038 | |
1039 | /* Add connected address to the interface. */ | |
1040 | listnode_add (ifp->connected, ifc); | |
1041 | return ifc; | |
1042 | } | |
1043 | ||
8cc4198f | 1044 | #if 0 /* this route_table of struct connected's is unused |
1045 | * however, it would be good to use a route_table rather than | |
1046 | * a list.. | |
1047 | */ | |
718e3744 | 1048 | /* Interface looking up by interface's address. */ |
718e3744 | 1049 | /* Interface's IPv4 address reverse lookup table. */ |
1050 | struct route_table *ifaddr_ipv4_table; | |
1051 | /* struct route_table *ifaddr_ipv6_table; */ | |
1052 | ||
8cc4198f | 1053 | static void |
718e3744 | 1054 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1055 | { | |
1056 | struct route_node *rn; | |
1057 | struct prefix_ipv4 p; | |
1058 | ||
1059 | p.family = AF_INET; | |
1060 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1061 | p.prefix = *ifaddr; | |
1062 | ||
1063 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1064 | if (rn) | |
1065 | { | |
1066 | route_unlock_node (rn); | |
1067 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1068 | inet_ntoa (*ifaddr)); | |
1069 | return; | |
1070 | } | |
1071 | rn->info = ifp; | |
1072 | } | |
1073 | ||
8cc4198f | 1074 | static void |
718e3744 | 1075 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1076 | { | |
1077 | struct route_node *rn; | |
1078 | struct prefix_ipv4 p; | |
1079 | ||
1080 | p.family = AF_INET; | |
1081 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1082 | p.prefix = *ifaddr; | |
1083 | ||
1084 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1085 | if (! rn) | |
1086 | { | |
1087 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1088 | inet_ntoa (*ifaddr)); | |
1089 | return; | |
1090 | } | |
1091 | rn->info = NULL; | |
1092 | route_unlock_node (rn); | |
1093 | route_unlock_node (rn); | |
1094 | } | |
1095 | ||
1096 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1097 | static struct interface * |
b892f1dd | 1098 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1099 | { |
1100 | struct prefix_ipv4 p; | |
1101 | struct route_node *rn; | |
1102 | struct interface *ifp; | |
718e3744 | 1103 | |
1104 | if (addr) | |
1105 | { | |
1106 | p.family = AF_INET; | |
1107 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1108 | p.prefix = *addr; | |
1109 | ||
1110 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1111 | if (! rn) | |
1112 | return NULL; | |
1113 | ||
1114 | ifp = rn->info; | |
1115 | route_unlock_node (rn); | |
1116 | return ifp; | |
1117 | } | |
1118 | else | |
7e2b7603 | 1119 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1120 | } |
8cc4198f | 1121 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1122 | |
70d44c5c DL |
1123 | static void if_autocomplete(vector comps, struct cmd_token *token) |
1124 | { | |
1125 | struct interface *ifp; | |
1126 | struct listnode *ln; | |
1127 | struct vrf *vrf = NULL; | |
1128 | ||
1129 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) | |
1130 | { | |
1131 | for (ALL_LIST_ELEMENTS_RO(vrf->iflist, ln, ifp)) | |
1132 | vector_set (comps, XSTRDUP (MTYPE_COMPLETION, ifp->name)); | |
1133 | } | |
1134 | ||
1135 | } | |
1136 | ||
1137 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1138 | { | |
1139 | /* "interface NAME" */ | |
1140 | .varname = "interface", | |
1141 | .completions = if_autocomplete | |
1142 | }, { | |
1143 | .tokenname = "IFNAME", | |
1144 | .completions = if_autocomplete | |
1145 | }, { | |
1146 | .tokenname = "INTERFACE", | |
1147 | .completions = if_autocomplete | |
1148 | }, { | |
1149 | .completions = NULL | |
1150 | } | |
1151 | }; | |
1152 | ||
718e3744 | 1153 | /* Initialize interface list. */ |
1154 | void | |
b2d7c082 | 1155 | if_init (struct list **intf_list) |
718e3744 | 1156 | { |
8736158a | 1157 | *intf_list = list_new (); |
8cc4198f | 1158 | #if 0 |
718e3744 | 1159 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1160 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1161 | |
8736158a | 1162 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
70d44c5c DL |
1163 | |
1164 | cmd_variable_handler_register(if_var_handlers); | |
718e3744 | 1165 | } |
4bd045d5 TG |
1166 | |
1167 | void | |
b2d7c082 | 1168 | if_terminate (struct list **intf_list) |
4bd045d5 TG |
1169 | { |
1170 | for (;;) | |
1171 | { | |
1172 | struct interface *ifp; | |
1173 | ||
8736158a | 1174 | ifp = listnode_head (*intf_list); |
4bd045d5 TG |
1175 | if (ifp == NULL) |
1176 | break; | |
1177 | ||
3f6d6a5d DS |
1178 | if (ifp->node) |
1179 | { | |
1180 | ifp->node->info = NULL; | |
1181 | route_unlock_node (ifp->node); | |
1182 | } | |
1183 | ||
4bd045d5 TG |
1184 | if_delete (ifp); |
1185 | } | |
1186 | ||
8736158a FL |
1187 | list_delete (*intf_list); |
1188 | *intf_list = NULL; | |
4bd045d5 | 1189 | } |
8ccc7e80 TT |
1190 | |
1191 | const char * | |
1192 | if_link_type_str (enum zebra_link_type llt) | |
1193 | { | |
1194 | switch (llt) | |
1195 | { | |
1196 | #define llts(T,S) case (T): return (S) | |
1197 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); | |
1198 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1199 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1200 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1201 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1202 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1203 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1204 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1205 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1206 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1207 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1208 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1209 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1210 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1211 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1212 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1213 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1214 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1215 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1216 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1217 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1218 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1219 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1220 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1221 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1222 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1223 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1224 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1225 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1226 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1227 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1228 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1229 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1230 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1231 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1232 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1233 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1234 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1235 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1236 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1237 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1238 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1239 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1240 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1241 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1242 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1243 | default: | |
1244 | zlog_warn ("Unknown value %d", llt); | |
1245 | return "Unknown type!"; | |
1246 | #undef llts | |
1247 | } | |
1248 | return NULL; | |
1249 | } | |
16f1b9ee OD |
1250 | |
1251 | struct if_link_params * | |
1252 | if_link_params_get (struct interface *ifp) | |
1253 | { | |
1254 | int i; | |
1255 | ||
1256 | if (ifp->link_params != NULL) | |
1257 | return ifp->link_params; | |
1258 | ||
1259 | struct if_link_params *iflp = XCALLOC(MTYPE_IF_LINK_PARAMS, | |
1260 | sizeof (struct if_link_params)); | |
1261 | if (iflp == NULL) return NULL; | |
1262 | ||
daf0a4d2 | 1263 | /* Set TE metric equal to standard metric */ |
16f1b9ee OD |
1264 | iflp->te_metric = ifp->metric; |
1265 | ||
1266 | /* Compute default bandwidth based on interface */ | |
b6a9e7b4 DS |
1267 | iflp->default_bw = ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) |
1268 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee OD |
1269 | |
1270 | /* Set Max, Reservable and Unreserved Bandwidth */ | |
b6a9e7b4 DS |
1271 | iflp->max_bw = iflp->default_bw; |
1272 | iflp->max_rsv_bw = iflp->default_bw; | |
16f1b9ee | 1273 | for (i = 0; i < MAX_CLASS_TYPE; i++) |
b6a9e7b4 | 1274 | iflp->unrsv_bw[i] = iflp->default_bw; |
16f1b9ee OD |
1275 | |
1276 | /* Update Link parameters status */ | |
daf0a4d2 | 1277 | iflp->lp_status = LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; |
16f1b9ee OD |
1278 | |
1279 | /* Finally attach newly created Link Parameters */ | |
1280 | ifp->link_params = iflp; | |
1281 | ||
1282 | return iflp; | |
1283 | } | |
1284 | ||
1285 | void | |
1286 | if_link_params_free (struct interface *ifp) | |
1287 | { | |
1288 | if (ifp->link_params == NULL) return; | |
1289 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1290 | ifp->link_params = NULL; | |
1291 | } |