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d62a17ae | 1 | /* |
718e3744 | 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" | |
4d43f68a | 26 | #include "lib_errors.h" |
718e3744 | 27 | #include "vty.h" |
28 | #include "command.h" | |
8736158a | 29 | #include "vrf.h" |
718e3744 | 30 | #include "if.h" |
31 | #include "sockunion.h" | |
32 | #include "prefix.h" | |
718e3744 | 33 | #include "memory.h" |
34 | #include "table.h" | |
35 | #include "buffer.h" | |
718e3744 | 36 | #include "log.h" |
6b0655a2 | 37 | |
d62a17ae | 38 | DEFINE_MTYPE(LIB, IF, "Interface") |
39 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") | |
40 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
41 | DEFINE_MTYPE(LIB, CONNECTED_LABEL, "Connected interface label") | |
42 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
4a1ab8e4 | 43 | |
f4e14fdb | 44 | static int if_cmp_func(const struct interface *, const struct interface *); |
ff880b78 RW |
45 | static int if_cmp_index_func(const struct interface *ifp1, |
46 | const struct interface *ifp2); | |
f4e14fdb | 47 | RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); |
ff880b78 | 48 | RB_GENERATE(if_index_head, interface, index_entry, if_cmp_index_func); |
f4e14fdb | 49 | |
e80e7cce DL |
50 | DEFINE_QOBJ_TYPE(interface) |
51 | ||
996c9314 LB |
52 | DEFINE_HOOK(if_add, (struct interface * ifp), (ifp)) |
53 | DEFINE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 54 | |
8736158a | 55 | /* List of interfaces in only the default VRF */ |
244c1cdc | 56 | int ptm_enable = 0; |
718e3744 | 57 | |
3a0391a9 | 58 | /* Compare interface names, returning an integer greater than, equal to, or |
59 | * less than 0, (following the strcmp convention), according to the | |
60 | * relationship between ifp1 and ifp2. Interface names consist of an | |
61 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
62 | * lexicographic by name, and then numeric by number. No number sorts | |
63 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
64 | * devpty0, de0 < del0 | |
d62a17ae | 65 | */ |
66 | int if_cmp_name_func(char *p1, char *p2) | |
106d2fd5 | 67 | { |
d62a17ae | 68 | unsigned int l1, l2; |
69 | long int x1, x2; | |
70 | int res; | |
71 | ||
72 | while (*p1 && *p2) { | |
73 | /* look up to any number */ | |
74 | l1 = strcspn(p1, "0123456789"); | |
75 | l2 = strcspn(p2, "0123456789"); | |
76 | ||
77 | /* name lengths are different -> compare names */ | |
78 | if (l1 != l2) | |
79 | return (strcmp(p1, p2)); | |
80 | ||
81 | /* Note that this relies on all numbers being less than all | |
82 | * letters, so | |
83 | * that de0 < del0. | |
84 | */ | |
85 | res = strncmp(p1, p2, l1); | |
86 | ||
87 | /* names are different -> compare them */ | |
88 | if (res) | |
89 | return res; | |
90 | ||
91 | /* with identical name part, go to numeric part */ | |
92 | p1 += l1; | |
93 | p2 += l1; | |
94 | ||
c9cbbb40 RW |
95 | if (!*p1 && !*p2) |
96 | return 0; | |
d62a17ae | 97 | if (!*p1) |
98 | return -1; | |
99 | if (!*p2) | |
100 | return 1; | |
101 | ||
102 | x1 = strtol(p1, &p1, 10); | |
103 | x2 = strtol(p2, &p2, 10); | |
104 | ||
105 | /* let's compare numbers now */ | |
106 | if (x1 < x2) | |
107 | return -1; | |
108 | if (x1 > x2) | |
109 | return 1; | |
110 | ||
111 | /* numbers were equal, lets do it again.. | |
112 | (it happens with name like "eth123.456:789") */ | |
113 | } | |
114 | if (*p1) | |
115 | return 1; | |
116 | if (*p2) | |
117 | return -1; | |
118 | return 0; | |
106d2fd5 | 119 | } |
120 | ||
f4e14fdb RW |
121 | static int if_cmp_func(const struct interface *ifp1, |
122 | const struct interface *ifp2) | |
974fc9d2 | 123 | { |
f4e14fdb | 124 | return if_cmp_name_func((char *)ifp1->name, (char *)ifp2->name); |
974fc9d2 DS |
125 | } |
126 | ||
ff880b78 RW |
127 | static int if_cmp_index_func(const struct interface *ifp1, |
128 | const struct interface *ifp2) | |
129 | { | |
130 | return ifp1->ifindex - ifp2->ifindex; | |
131 | } | |
132 | ||
718e3744 | 133 | /* Create new interface structure. */ |
bcc24579 | 134 | struct interface *if_create(const char *name, vrf_id_t vrf_id) |
718e3744 | 135 | { |
f4e14fdb | 136 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
d62a17ae | 137 | struct interface *ifp; |
d62a17ae | 138 | |
139 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
140 | ifp->ifindex = IFINDEX_INTERNAL; | |
141 | ||
142 | assert(name); | |
bcc24579 | 143 | strlcpy(ifp->name, name, sizeof(ifp->name)); |
d62a17ae | 144 | ifp->vrf_id = vrf_id; |
ff880b78 | 145 | IFNAME_RB_INSERT(vrf, ifp); |
d62a17ae | 146 | ifp->connected = list_new(); |
147 | ifp->connected->del = (void (*)(void *))connected_free; | |
148 | ||
149 | ifp->nbr_connected = list_new(); | |
150 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
151 | ||
152 | /* Enable Link-detection by default */ | |
153 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
154 | ||
155 | QOBJ_REG(ifp, interface); | |
996c9314 | 156 | hook_call(if_add, ifp); |
d62a17ae | 157 | return ifp; |
718e3744 | 158 | } |
159 | ||
f93e3f69 | 160 | /* Create new interface structure. */ |
d62a17ae | 161 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) |
f93e3f69 | 162 | { |
f4e14fdb | 163 | struct vrf *vrf; |
d62a17ae | 164 | |
165 | /* remove interface from old master vrf list */ | |
f4e14fdb | 166 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
ff880b78 RW |
167 | if (vrf) { |
168 | IFNAME_RB_REMOVE(vrf, ifp); | |
169 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
170 | IFINDEX_RB_REMOVE(vrf, ifp); | |
171 | } | |
d62a17ae | 172 | |
173 | ifp->vrf_id = vrf_id; | |
f4e14fdb | 174 | vrf = vrf_get(ifp->vrf_id, NULL); |
ff880b78 RW |
175 | |
176 | IFNAME_RB_INSERT(vrf, ifp); | |
177 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
178 | IFINDEX_RB_INSERT(vrf, ifp); | |
f93e3f69 DS |
179 | } |
180 | ||
181 | ||
d2fc8896 | 182 | /* Delete interface structure. */ |
d62a17ae | 183 | void if_delete_retain(struct interface *ifp) |
718e3744 | 184 | { |
996c9314 | 185 | hook_call(if_del, ifp); |
d62a17ae | 186 | QOBJ_UNREG(ifp); |
e80e7cce | 187 | |
d62a17ae | 188 | /* Free connected address list */ |
189 | list_delete_all_node(ifp->connected); | |
a80beece | 190 | |
d62a17ae | 191 | /* Free connected nbr address list */ |
192 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 193 | } |
194 | ||
195 | /* Delete and free interface structure. */ | |
d62a17ae | 196 | void if_delete(struct interface *ifp) |
d2fc8896 | 197 | { |
5b8524f5 RW |
198 | struct vrf *vrf; |
199 | ||
200 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
201 | assert(vrf); | |
f4e14fdb | 202 | |
ff880b78 RW |
203 | IFNAME_RB_REMOVE(vrf, ifp); |
204 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
205 | IFINDEX_RB_REMOVE(vrf, ifp); | |
d2fc8896 | 206 | |
d62a17ae | 207 | if_delete_retain(ifp); |
718e3744 | 208 | |
acdf5e25 DS |
209 | list_delete_and_null(&ifp->connected); |
210 | list_delete_and_null(&ifp->nbr_connected); | |
2dd04c5d | 211 | |
d62a17ae | 212 | if_link_params_free(ifp); |
16f1b9ee | 213 | |
c7974c0f DS |
214 | if (ifp->desc) |
215 | XFREE(MTYPE_TMP, ifp->desc); | |
216 | ||
d62a17ae | 217 | XFREE(MTYPE_IF, ifp); |
718e3744 | 218 | } |
219 | ||
718e3744 | 220 | /* Interface existance check by index. */ |
d62a17ae | 221 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 222 | { |
5b8524f5 | 223 | struct vrf *vrf; |
ff880b78 | 224 | struct interface if_tmp; |
f4e14fdb | 225 | |
5b8524f5 RW |
226 | vrf = vrf_lookup_by_id(vrf_id); |
227 | if (!vrf) | |
228 | return NULL; | |
229 | ||
ff880b78 RW |
230 | if_tmp.ifindex = ifindex; |
231 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 232 | } |
233 | ||
d62a17ae | 234 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 235 | { |
d62a17ae | 236 | struct interface *ifp; |
718e3744 | 237 | |
d62a17ae | 238 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
239 | ? ifp->name | |
240 | : "unknown"; | |
d2fc8896 | 241 | } |
242 | ||
d62a17ae | 243 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 244 | { |
d62a17ae | 245 | struct interface *ifp; |
d2fc8896 | 246 | |
d62a17ae | 247 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
248 | ? ifp->ifindex | |
249 | : IFINDEX_INTERNAL; | |
718e3744 | 250 | } |
251 | ||
252 | /* Interface existance check by interface name. */ | |
d62a17ae | 253 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 254 | { |
f4e14fdb RW |
255 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
256 | struct interface if_tmp; | |
d62a17ae | 257 | |
5b8524f5 RW |
258 | if (!vrf || !name |
259 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 260 | return NULL; |
f8962871 | 261 | |
f4e14fdb RW |
262 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
263 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
264 | } |
265 | ||
bcc24579 | 266 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 267 | { |
bcc24579 | 268 | struct vrf *vrf; |
d62a17ae | 269 | struct interface *ifp; |
a349198f | 270 | |
bcc24579 | 271 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 272 | return NULL; |
a349198f | 273 | |
bcc24579 RW |
274 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
275 | ifp = if_lookup_by_name(name, vrf->vrf_id); | |
276 | if (ifp) | |
d62a17ae | 277 | return ifp; |
278 | } | |
bcc24579 | 279 | |
d62a17ae | 280 | return NULL; |
a349198f | 281 | } |
282 | ||
718e3744 | 283 | /* Lookup interface by IPv4 address. */ |
d62a17ae | 284 | struct interface *if_lookup_exact_address(void *src, int family, |
285 | vrf_id_t vrf_id) | |
718e3744 | 286 | { |
f4e14fdb | 287 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 288 | struct listnode *cnode; |
289 | struct interface *ifp; | |
290 | struct prefix *p; | |
291 | struct connected *c; | |
292 | ||
451fda4f | 293 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 294 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
295 | p = c->address; | |
296 | ||
297 | if (p && (p->family == family)) { | |
298 | if (family == AF_INET) { | |
299 | if (IPV4_ADDR_SAME( | |
300 | &p->u.prefix4, | |
301 | (struct in_addr *)src)) | |
302 | return ifp; | |
303 | } else if (family == AF_INET6) { | |
304 | if (IPV6_ADDR_SAME( | |
305 | &p->u.prefix6, | |
306 | (struct in6_addr *)src)) | |
307 | return ifp; | |
308 | } | |
309 | } | |
0aabccc0 | 310 | } |
718e3744 | 311 | } |
d62a17ae | 312 | return NULL; |
718e3744 | 313 | } |
314 | ||
315 | /* Lookup interface by IPv4 address. */ | |
d62a17ae | 316 | struct connected *if_lookup_address(void *matchaddr, int family, |
317 | vrf_id_t vrf_id) | |
718e3744 | 318 | { |
f4e14fdb | 319 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 320 | struct prefix addr; |
321 | int bestlen = 0; | |
322 | struct listnode *cnode; | |
323 | struct interface *ifp; | |
324 | struct connected *c; | |
325 | struct connected *match; | |
326 | ||
327 | if (family == AF_INET) { | |
328 | addr.family = AF_INET; | |
329 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
330 | addr.prefixlen = IPV4_MAX_BITLEN; | |
331 | } else if (family == AF_INET6) { | |
332 | addr.family = AF_INET6; | |
333 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
334 | addr.prefixlen = IPV6_MAX_BITLEN; | |
335 | } | |
718e3744 | 336 | |
d62a17ae | 337 | match = NULL; |
718e3744 | 338 | |
451fda4f | 339 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 340 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
341 | if (c->address && (c->address->family == AF_INET) | |
342 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
343 | && (c->address->prefixlen > bestlen)) { | |
344 | bestlen = c->address->prefixlen; | |
345 | match = c; | |
346 | } | |
347 | } | |
718e3744 | 348 | } |
d62a17ae | 349 | return match; |
718e3744 | 350 | } |
351 | ||
b81e97a8 | 352 | /* Lookup interface by prefix */ |
d62a17ae | 353 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 354 | { |
f4e14fdb | 355 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 356 | struct listnode *cnode; |
357 | struct interface *ifp; | |
358 | struct connected *c; | |
359 | ||
451fda4f | 360 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 361 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
362 | if (prefix_cmp(c->address, prefix) == 0) { | |
363 | return ifp; | |
364 | } | |
365 | } | |
366 | } | |
367 | return NULL; | |
b81e97a8 DD |
368 | } |
369 | ||
718e3744 | 370 | /* Get interface by name if given name interface doesn't exist create |
371 | one. */ | |
bcc24579 | 372 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id, int vty) |
718e3744 | 373 | { |
d62a17ae | 374 | struct interface *ifp; |
718e3744 | 375 | |
e9e9b115 PG |
376 | ifp = if_lookup_by_name(name, vrf_id); |
377 | if (ifp) | |
378 | return ifp; | |
379 | /* Not Found on same VRF. If the interface command | |
380 | * was entered in vty without a VRF (passed as VRF_DEFAULT), | |
381 | * accept the ifp we found. If a vrf was entered and there is | |
382 | * a mismatch, reject it if from vty. | |
383 | */ | |
bcc24579 | 384 | ifp = if_lookup_by_name_all_vrf(name); |
e9e9b115 PG |
385 | if (!ifp) |
386 | return if_create(name, vrf_id); | |
387 | if (vty) { | |
388 | if (vrf_id == VRF_DEFAULT) | |
bcc24579 | 389 | return ifp; |
e9e9b115 | 390 | return NULL; |
85f9da7f | 391 | } |
e9e9b115 PG |
392 | /* if vrf backend uses NETNS, then |
393 | * this should not be considered as an update | |
394 | * then create the new interface | |
395 | */ | |
3d4c0b49 PG |
396 | if (ifp->vrf_id != vrf_id && vrf_is_mapped_on_netns( |
397 | vrf_lookup_by_id(vrf_id))) | |
e9e9b115 PG |
398 | return if_create(name, vrf_id); |
399 | /* If it came from the kernel | |
400 | * or by way of zclient, believe it and update | |
401 | * the ifp accordingly. | |
402 | */ | |
403 | if_update_to_new_vrf(ifp, vrf_id); | |
404 | return ifp; | |
8736158a FL |
405 | } |
406 | ||
ff880b78 RW |
407 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
408 | { | |
5b8524f5 RW |
409 | struct vrf *vrf; |
410 | ||
411 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
412 | assert(vrf); | |
ff880b78 RW |
413 | |
414 | if (ifp->ifindex == ifindex) | |
415 | return; | |
416 | ||
417 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
418 | IFINDEX_RB_REMOVE(vrf, ifp) | |
419 | ||
420 | ifp->ifindex = ifindex; | |
421 | ||
422 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
423 | IFINDEX_RB_INSERT(vrf, ifp) | |
424 | } | |
425 | ||
718e3744 | 426 | /* Does interface up ? */ |
d62a17ae | 427 | int if_is_up(struct interface *ifp) |
718e3744 | 428 | { |
d62a17ae | 429 | return ifp->flags & IFF_UP; |
718e3744 | 430 | } |
431 | ||
2e3b2e47 | 432 | /* Is interface running? */ |
d62a17ae | 433 | int if_is_running(struct interface *ifp) |
2e3b2e47 | 434 | { |
d62a17ae | 435 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 436 | } |
437 | ||
438 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
439 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
440 | if ptm checking is enabled, then ptm check has passed */ | |
d62a17ae | 441 | int if_is_operative(struct interface *ifp) |
2e3b2e47 | 442 | { |
d62a17ae | 443 | return ((ifp->flags & IFF_UP) |
444 | && (((ifp->flags & IFF_RUNNING) | |
445 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
446 | || !CHECK_FLAG(ifp->status, | |
447 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
448 | } |
449 | ||
450 | /* Is the interface operative, eg. either UP & RUNNING | |
451 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
d62a17ae | 452 | int if_is_no_ptm_operative(struct interface *ifp) |
244c1cdc | 453 | { |
d62a17ae | 454 | return ((ifp->flags & IFF_UP) |
455 | && ((ifp->flags & IFF_RUNNING) | |
456 | || !CHECK_FLAG(ifp->status, | |
457 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 458 | } |
459 | ||
718e3744 | 460 | /* Is this loopback interface ? */ |
d62a17ae | 461 | int if_is_loopback(struct interface *ifp) |
718e3744 | 462 | { |
d62a17ae | 463 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
464 | * but Y on platform N? | |
465 | */ | |
466 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 467 | } |
468 | ||
0c74bbe0 CS |
469 | /* Check interface is VRF */ |
470 | int if_is_vrf(struct interface *ifp) | |
471 | { | |
472 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
473 | } | |
474 | ||
fec4ca19 DS |
475 | bool if_is_loopback_or_vrf(struct interface *ifp) |
476 | { | |
477 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
478 | return true; | |
479 | ||
480 | return false; | |
481 | } | |
482 | ||
718e3744 | 483 | /* Does this interface support broadcast ? */ |
d62a17ae | 484 | int if_is_broadcast(struct interface *ifp) |
718e3744 | 485 | { |
d62a17ae | 486 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 487 | } |
488 | ||
489 | /* Does this interface support broadcast ? */ | |
d62a17ae | 490 | int if_is_pointopoint(struct interface *ifp) |
718e3744 | 491 | { |
d62a17ae | 492 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 493 | } |
494 | ||
495 | /* Does this interface support multicast ? */ | |
d62a17ae | 496 | int if_is_multicast(struct interface *ifp) |
718e3744 | 497 | { |
d62a17ae | 498 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 499 | } |
500 | ||
501 | /* Printout flag information into log */ | |
d62a17ae | 502 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 503 | { |
d62a17ae | 504 | int separator = 0; |
505 | static char logbuf[BUFSIZ]; | |
506 | ||
507 | #define IFF_OUT_LOG(X, STR) \ | |
508 | if (flag & (X)) { \ | |
509 | if (separator) \ | |
510 | strlcat(logbuf, ",", BUFSIZ); \ | |
511 | else \ | |
512 | separator = 1; \ | |
513 | strlcat(logbuf, STR, BUFSIZ); \ | |
514 | } | |
718e3744 | 515 | |
d62a17ae | 516 | strlcpy(logbuf, "<", BUFSIZ); |
517 | IFF_OUT_LOG(IFF_UP, "UP"); | |
518 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
519 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
520 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
521 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
522 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
523 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
524 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
525 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
526 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
527 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
528 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
529 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
530 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
531 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
532 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
533 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
534 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
535 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
536 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
537 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
538 | ||
539 | strlcat(logbuf, ">", BUFSIZ); | |
540 | ||
541 | return logbuf; | |
630c97ce | 542 | #undef IFF_OUT_LOG |
718e3744 | 543 | } |
544 | ||
545 | /* For debugging */ | |
d62a17ae | 546 | static void if_dump(const struct interface *ifp) |
718e3744 | 547 | { |
d62a17ae | 548 | struct listnode *node; |
549 | struct connected *c __attribute__((unused)); | |
550 | ||
551 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
552 | zlog_info( | |
553 | "Interface %s vrf %u index %d metric %d mtu %d " | |
554 | "mtu6 %d %s", | |
555 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, | |
556 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); | |
718e3744 | 557 | } |
558 | ||
559 | /* Interface printing for all interface. */ | |
d62a17ae | 560 | void if_dump_all(void) |
718e3744 | 561 | { |
d62a17ae | 562 | struct vrf *vrf; |
f4e14fdb | 563 | void *ifp; |
d62a17ae | 564 | |
a2addae8 | 565 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 566 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 567 | if_dump(ifp); |
718e3744 | 568 | } |
569 | ||
6147e2c6 | 570 | DEFUN (interface_desc, |
718e3744 | 571 | interface_desc_cmd, |
fcbee690 | 572 | "description LINE...", |
718e3744 | 573 | "Interface specific description\n" |
574 | "Characters describing this interface\n") | |
575 | { | |
d62a17ae | 576 | int idx_line = 1; |
577 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
718e3744 | 578 | |
d62a17ae | 579 | if (ifp->desc) |
580 | XFREE(MTYPE_TMP, ifp->desc); | |
581 | ifp->desc = argv_concat(argv, argc, idx_line); | |
718e3744 | 582 | |
d62a17ae | 583 | return CMD_SUCCESS; |
718e3744 | 584 | } |
585 | ||
6147e2c6 | 586 | DEFUN (no_interface_desc, |
718e3744 | 587 | no_interface_desc_cmd, |
588 | "no description", | |
589 | NO_STR | |
590 | "Interface specific description\n") | |
591 | { | |
d62a17ae | 592 | VTY_DECLVAR_CONTEXT(interface, ifp); |
718e3744 | 593 | |
d62a17ae | 594 | if (ifp->desc) |
595 | XFREE(MTYPE_TMP, ifp->desc); | |
596 | ifp->desc = NULL; | |
718e3744 | 597 | |
d62a17ae | 598 | return CMD_SUCCESS; |
718e3744 | 599 | } |
6b0655a2 | 600 | |
98954844 PJ |
601 | #ifdef SUNOS_5 |
602 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
603 | * a seperate struct interface for each logical interface, so config | |
604 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
605 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
606 | * interfaces can be fruitless, for that reason Quagga only tracks | |
607 | * the primary IP interface. | |
608 | * | |
609 | * We try accomodate SUNWzebra by: | |
610 | * - looking up the interface name, to see whether it exists, if so | |
611 | * its useable | |
612 | * - for protocol daemons, this could only because zebra told us of | |
613 | * the interface | |
614 | * - for zebra, only because it learnt from kernel | |
615 | * - if not: | |
616 | * - search the name to see if it contains a sub-ipif / logical interface | |
617 | * seperator, the ':' char. If it does: | |
618 | * - text up to that char must be the primary name - get that name. | |
619 | * if not: | |
620 | * - no idea, just get the name in its entirety. | |
621 | */ | |
bcc24579 | 622 | static struct interface *if_sunwzebra_get(char *name, vrf_id_t vrf_id) |
98954844 | 623 | { |
d62a17ae | 624 | struct interface *ifp; |
bcc24579 | 625 | char *cp; |
d62a17ae | 626 | |
bcc24579 | 627 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 628 | return ifp; |
629 | ||
630 | /* hunt the primary interface name... */ | |
bcc24579 RW |
631 | cp = strchr(name, ':'); |
632 | if (cp) | |
633 | *cp = '\0'; | |
d62a17ae | 634 | |
bcc24579 | 635 | return if_get_by_name(name, vrf_id, 1); |
98954844 PJ |
636 | } |
637 | #endif /* SUNOS_5 */ | |
6b0655a2 | 638 | |
91e5b43a | 639 | DEFUN_NOSH (interface, |
718e3744 | 640 | interface_cmd, |
199d90a1 | 641 | "interface IFNAME [vrf NAME]", |
718e3744 | 642 | "Select an interface to configure\n" |
fcbee690 QY |
643 | "Interface's name\n" |
644 | VRF_CMD_HELP_STR) | |
718e3744 | 645 | { |
d62a17ae | 646 | int idx_ifname = 1; |
647 | int idx_vrf = 3; | |
648 | const char *ifname = argv[idx_ifname]->arg; | |
649 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; | |
650 | ||
651 | struct interface *ifp; | |
d62a17ae | 652 | vrf_id_t vrf_id = VRF_DEFAULT; |
653 | ||
bcc24579 | 654 | if (strlen(ifname) > INTERFACE_NAMSIZ) { |
d62a17ae | 655 | vty_out(vty, |
656 | "%% Interface name %s is invalid: length exceeds " | |
657 | "%d characters\n", | |
658 | ifname, INTERFACE_NAMSIZ); | |
659 | return CMD_WARNING_CONFIG_FAILED; | |
660 | } | |
718e3744 | 661 | |
d62a17ae | 662 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
663 | Imagine forward reference of a vrf by name in this interface config */ | |
664 | if (vrfname) | |
ec1db588 | 665 | VRF_GET_ID(vrf_id, vrfname, false); |
cd2a8a42 | 666 | |
98954844 | 667 | #ifdef SUNOS_5 |
bcc24579 | 668 | ifp = if_sunwzebra_get(ifname, vrf_id); |
98954844 | 669 | #else |
bcc24579 | 670 | ifp = if_get_by_name(ifname, vrf_id, 1); |
98954844 | 671 | #endif /* SUNOS_5 */ |
718e3744 | 672 | |
d62a17ae | 673 | if (!ifp) { |
674 | vty_out(vty, "%% interface %s not in %s\n", ifname, vrfname); | |
675 | return CMD_WARNING_CONFIG_FAILED; | |
676 | } | |
677 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
718e3744 | 678 | |
d62a17ae | 679 | return CMD_SUCCESS; |
718e3744 | 680 | } |
681 | ||
91e5b43a RW |
682 | DEFUN (no_interface, |
683 | no_interface_cmd, | |
684 | "no interface IFNAME [vrf NAME]", | |
685 | NO_STR | |
686 | "Delete a pseudo interface's configuration\n" | |
687 | "Interface's name\n" | |
688 | VRF_CMD_HELP_STR) | |
32d2463c | 689 | { |
1505b537 | 690 | int idx_vrf = 4; |
d62a17ae | 691 | const char *ifname = argv[2]->arg; |
1505b537 | 692 | const char *vrfname = (argc > 3) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 693 | |
d62a17ae | 694 | // deleting interface |
695 | struct interface *ifp; | |
696 | vrf_id_t vrf_id = VRF_DEFAULT; | |
32d2463c | 697 | |
d62a17ae | 698 | if (argc > 3) |
ec1db588 | 699 | VRF_GET_ID(vrf_id, vrfname, false); |
cd2a8a42 | 700 | |
d62a17ae | 701 | ifp = if_lookup_by_name(ifname, vrf_id); |
32d2463c | 702 | |
d62a17ae | 703 | if (ifp == NULL) { |
704 | vty_out(vty, "%% Interface %s does not exist\n", ifname); | |
705 | return CMD_WARNING_CONFIG_FAILED; | |
706 | } | |
32d2463c | 707 | |
d62a17ae | 708 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
709 | vty_out(vty, "%% Only inactive interfaces can be deleted\n"); | |
710 | return CMD_WARNING_CONFIG_FAILED; | |
711 | } | |
32d2463c | 712 | |
d62a17ae | 713 | if_delete(ifp); |
32d2463c | 714 | |
d62a17ae | 715 | return CMD_SUCCESS; |
32d2463c | 716 | } |
717 | ||
5d56066e RW |
718 | static void if_autocomplete(vector comps, struct cmd_token *token) |
719 | { | |
720 | struct interface *ifp; | |
721 | struct vrf *vrf = NULL; | |
722 | ||
723 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
451fda4f | 724 | FOR_ALL_INTERFACES (vrf, ifp) { |
5d56066e RW |
725 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); |
726 | } | |
727 | } | |
728 | } | |
729 | ||
730 | static const struct cmd_variable_handler if_var_handlers[] = { | |
731 | {/* "interface NAME" */ | |
732 | .varname = "interface", | |
733 | .completions = if_autocomplete}, | |
734 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
735 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
736 | {.completions = NULL}}; | |
737 | ||
d62a17ae | 738 | void if_cmd_init(void) |
0b84f294 | 739 | { |
5d56066e RW |
740 | cmd_variable_handler_register(if_var_handlers); |
741 | ||
d62a17ae | 742 | install_element(CONFIG_NODE, &interface_cmd); |
743 | install_element(CONFIG_NODE, &no_interface_cmd); | |
0b84f294 | 744 | |
d62a17ae | 745 | install_default(INTERFACE_NODE); |
746 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
747 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
0b84f294 DL |
748 | } |
749 | ||
d7d73ffc | 750 | #if 0 |
718e3744 | 751 | /* For debug purpose. */ |
752 | DEFUN (show_address, | |
753 | show_address_cmd, | |
199d90a1 | 754 | "show address [vrf NAME]", |
718e3744 | 755 | SHOW_STR |
fcbee690 QY |
756 | "address\n" |
757 | VRF_CMD_HELP_STR) | |
718e3744 | 758 | { |
abddf075 | 759 | int idx_vrf = 3; |
52dc7ee6 | 760 | struct listnode *node; |
718e3744 | 761 | struct interface *ifp; |
762 | struct connected *ifc; | |
763 | struct prefix *p; | |
8736158a | 764 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 765 | |
fcbee690 | 766 | if (argc > 2) |
58749582 | 767 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 768 | |
451fda4f | 769 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 770 | { |
f4e14fdb | 771 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 772 | { |
718e3744 | 773 | p = ifc->address; |
774 | ||
775 | if (p->family == AF_INET) | |
55f70b67 | 776 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 777 | } |
778 | } | |
779 | return CMD_SUCCESS; | |
780 | } | |
781 | ||
8736158a FL |
782 | DEFUN (show_address_vrf_all, |
783 | show_address_vrf_all_cmd, | |
9ccf14f7 | 784 | "show address vrf all", |
8736158a FL |
785 | SHOW_STR |
786 | "address\n" | |
787 | VRF_ALL_CMD_HELP_STR) | |
788 | { | |
1a1a7065 | 789 | struct vrf *vrf; |
8736158a | 790 | struct listnode *node; |
8736158a FL |
791 | struct interface *ifp; |
792 | struct connected *ifc; | |
793 | struct prefix *p; | |
8736158a | 794 | |
a62c4901 | 795 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 796 | { |
f4e14fdb | 797 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
798 | continue; |
799 | ||
55f70b67 | 800 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 801 | |
451fda4f | 802 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 803 | { |
f4e14fdb | 804 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
805 | { |
806 | p = ifc->address; | |
807 | ||
808 | if (p->family == AF_INET) | |
55f70b67 | 809 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
810 | } |
811 | } | |
812 | } | |
813 | return CMD_SUCCESS; | |
814 | } | |
d7d73ffc | 815 | #endif |
8736158a | 816 | |
718e3744 | 817 | /* Allocate connected structure. */ |
d62a17ae | 818 | struct connected *connected_new(void) |
718e3744 | 819 | { |
d62a17ae | 820 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 821 | } |
822 | ||
a80beece | 823 | /* Allocate nbr connected structure. */ |
d62a17ae | 824 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 825 | { |
d62a17ae | 826 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
827 | } |
828 | ||
718e3744 | 829 | /* Free connected structure. */ |
d62a17ae | 830 | void connected_free(struct connected *connected) |
718e3744 | 831 | { |
d62a17ae | 832 | if (connected->address) |
833 | prefix_free(connected->address); | |
718e3744 | 834 | |
d62a17ae | 835 | if (connected->destination) |
836 | prefix_free(connected->destination); | |
718e3744 | 837 | |
d62a17ae | 838 | if (connected->label) |
839 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); | |
718e3744 | 840 | |
d62a17ae | 841 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 842 | } |
843 | ||
a80beece | 844 | /* Free nbr connected structure. */ |
d62a17ae | 845 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 846 | { |
d62a17ae | 847 | if (connected->address) |
848 | prefix_free(connected->address); | |
a80beece | 849 | |
d62a17ae | 850 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
851 | } |
852 | ||
853 | /* If same interface nbr address already exists... */ | |
d62a17ae | 854 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
855 | struct prefix *p) | |
a80beece | 856 | { |
d62a17ae | 857 | struct nbr_connected *ifc; |
858 | struct listnode *node; | |
a80beece | 859 | |
d62a17ae | 860 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
861 | if (prefix_same(ifc->address, p)) | |
862 | return ifc; | |
a80beece | 863 | |
d62a17ae | 864 | return NULL; |
a80beece DS |
865 | } |
866 | ||
718e3744 | 867 | /* Print if_addr structure. */ |
d62a17ae | 868 | static void __attribute__((unused)) |
869 | connected_log(struct connected *connected, char *str) | |
718e3744 | 870 | { |
d62a17ae | 871 | struct prefix *p; |
872 | struct interface *ifp; | |
873 | char logbuf[BUFSIZ]; | |
874 | char buf[BUFSIZ]; | |
875 | ||
876 | ifp = connected->ifp; | |
877 | p = connected->address; | |
878 | ||
879 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
880 | ifp->name, ifp->vrf_id, prefix_family_str(p), | |
881 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
882 | ||
883 | p = connected->destination; | |
884 | if (p) { | |
885 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
886 | BUFSIZ - strlen(logbuf)); | |
887 | } | |
888 | zlog_info("%s", logbuf); | |
718e3744 | 889 | } |
890 | ||
a80beece | 891 | /* Print if_addr structure. */ |
d62a17ae | 892 | static void __attribute__((unused)) |
893 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 894 | { |
d62a17ae | 895 | struct prefix *p; |
896 | struct interface *ifp; | |
897 | char logbuf[BUFSIZ]; | |
898 | char buf[BUFSIZ]; | |
a80beece | 899 | |
d62a17ae | 900 | ifp = connected->ifp; |
901 | p = connected->address; | |
a80beece | 902 | |
d62a17ae | 903 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
904 | prefix_family_str(p), | |
905 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 906 | |
d62a17ae | 907 | zlog_info("%s", logbuf); |
a80beece DS |
908 | } |
909 | ||
718e3744 | 910 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 911 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 912 | { |
d62a17ae | 913 | if (p1->family == p2->family) { |
914 | if (p1->family == AF_INET | |
915 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
916 | return 1; | |
917 | if (p1->family == AF_INET6 | |
918 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
919 | return 1; | |
920 | } | |
921 | return 0; | |
718e3744 | 922 | } |
923 | ||
d62a17ae | 924 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
925 | struct prefix *p) | |
38485402 | 926 | { |
d62a17ae | 927 | struct listnode *node; |
928 | struct listnode *next; | |
929 | struct connected *ifc; | |
38485402 | 930 | |
d62a17ae | 931 | for (node = listhead(ifp->connected); node; node = next) { |
932 | ifc = listgetdata(node); | |
933 | next = node->next; | |
38485402 | 934 | |
d62a17ae | 935 | if (connected_same_prefix(ifc->address, p)) |
936 | return ifc; | |
937 | } | |
938 | return NULL; | |
38485402 DS |
939 | } |
940 | ||
d62a17ae | 941 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
942 | struct prefix *p) | |
718e3744 | 943 | { |
d62a17ae | 944 | struct listnode *node; |
945 | struct listnode *next; | |
946 | struct connected *ifc; | |
947 | ||
948 | /* In case of same prefix come, replace it with new one. */ | |
949 | for (node = listhead(ifp->connected); node; node = next) { | |
950 | ifc = listgetdata(node); | |
951 | next = node->next; | |
952 | ||
953 | if (connected_same_prefix(ifc->address, p)) { | |
954 | listnode_delete(ifp->connected, ifc); | |
955 | return ifc; | |
956 | } | |
718e3744 | 957 | } |
d62a17ae | 958 | return NULL; |
718e3744 | 959 | } |
960 | ||
bd40c341 | 961 | /* Find the address on our side that will be used when packets |
727d104b | 962 | are sent to dst. */ |
d62a17ae | 963 | struct connected *connected_lookup_prefix(struct interface *ifp, |
964 | struct prefix *addr) | |
727d104b | 965 | { |
d62a17ae | 966 | struct listnode *cnode; |
967 | struct connected *c; | |
968 | struct connected *match; | |
969 | ||
970 | match = NULL; | |
971 | ||
972 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
973 | if (c->address && (c->address->family == addr->family) | |
974 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
975 | && (!match | |
976 | || (c->address->prefixlen > match->address->prefixlen))) | |
977 | match = c; | |
978 | } | |
979 | return match; | |
727d104b | 980 | } |
981 | ||
d62a17ae | 982 | struct connected *connected_add_by_prefix(struct interface *ifp, |
983 | struct prefix *p, | |
984 | struct prefix *destination) | |
4a7aac1b | 985 | { |
d62a17ae | 986 | struct connected *ifc; |
4a7aac1b | 987 | |
d62a17ae | 988 | /* Allocate new connected address. */ |
989 | ifc = connected_new(); | |
990 | ifc->ifp = ifp; | |
4a7aac1b | 991 | |
d62a17ae | 992 | /* Fetch interface address */ |
993 | ifc->address = prefix_new(); | |
994 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 995 | |
d62a17ae | 996 | /* Fetch dest address */ |
997 | if (destination) { | |
998 | ifc->destination = prefix_new(); | |
999 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1000 | } | |
4a7aac1b | 1001 | |
d62a17ae | 1002 | /* Add connected address to the interface. */ |
1003 | listnode_add(ifp->connected, ifc); | |
1004 | return ifc; | |
4a7aac1b | 1005 | } |
1006 | ||
d62a17ae | 1007 | #if 0 /* this route_table of struct connected's is unused \ |
1008 | * however, it would be good to use a route_table rather than \ | |
1009 | * a list.. \ | |
1010 | */ | |
718e3744 | 1011 | /* Interface looking up by interface's address. */ |
718e3744 | 1012 | /* Interface's IPv4 address reverse lookup table. */ |
1013 | struct route_table *ifaddr_ipv4_table; | |
1014 | /* struct route_table *ifaddr_ipv6_table; */ | |
1015 | ||
8cc4198f | 1016 | static void |
718e3744 | 1017 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1018 | { | |
1019 | struct route_node *rn; | |
1020 | struct prefix_ipv4 p; | |
1021 | ||
1022 | p.family = AF_INET; | |
1023 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1024 | p.prefix = *ifaddr; | |
1025 | ||
1026 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1027 | if (rn) | |
1028 | { | |
1029 | route_unlock_node (rn); | |
1030 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1031 | inet_ntoa (*ifaddr)); | |
1032 | return; | |
1033 | } | |
1034 | rn->info = ifp; | |
1035 | } | |
1036 | ||
8cc4198f | 1037 | static void |
718e3744 | 1038 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1039 | { | |
1040 | struct route_node *rn; | |
1041 | struct prefix_ipv4 p; | |
1042 | ||
1043 | p.family = AF_INET; | |
1044 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1045 | p.prefix = *ifaddr; | |
1046 | ||
1047 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1048 | if (! rn) | |
1049 | { | |
1050 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1051 | inet_ntoa (*ifaddr)); | |
1052 | return; | |
1053 | } | |
1054 | rn->info = NULL; | |
1055 | route_unlock_node (rn); | |
1056 | route_unlock_node (rn); | |
1057 | } | |
1058 | ||
1059 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1060 | static struct interface * |
b892f1dd | 1061 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1062 | { |
1063 | struct prefix_ipv4 p; | |
1064 | struct route_node *rn; | |
1065 | struct interface *ifp; | |
718e3744 | 1066 | |
1067 | if (addr) | |
1068 | { | |
1069 | p.family = AF_INET; | |
1070 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1071 | p.prefix = *addr; | |
1072 | ||
1073 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1074 | if (! rn) | |
1075 | return NULL; | |
55cd0f61 | 1076 | |
718e3744 | 1077 | ifp = rn->info; |
1078 | route_unlock_node (rn); | |
1079 | return ifp; | |
1080 | } | |
1081 | else | |
7e2b7603 | 1082 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1083 | } |
8cc4198f | 1084 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1085 | |
f4e14fdb | 1086 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1087 | { |
f4e14fdb | 1088 | struct interface *ifp; |
4bd045d5 | 1089 | |
55cd0f61 DS |
1090 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1091 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1092 | ||
d62a17ae | 1093 | if (ifp->node) { |
1094 | ifp->node->info = NULL; | |
1095 | route_unlock_node(ifp->node); | |
1096 | } | |
d62a17ae | 1097 | if_delete(ifp); |
1098 | } | |
4bd045d5 | 1099 | } |
8ccc7e80 | 1100 | |
d62a17ae | 1101 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1102 | { |
d62a17ae | 1103 | switch (llt) { |
8ccc7e80 | 1104 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1105 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1106 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1107 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1108 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1109 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1110 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1111 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1112 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1113 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1114 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1115 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1116 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1117 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1118 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1119 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1120 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1121 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1122 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1123 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1124 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1125 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1126 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1127 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1128 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1129 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1130 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1131 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1132 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1133 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1134 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1135 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1136 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1137 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1138 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1139 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1140 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1141 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1142 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1143 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1144 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1145 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1146 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1147 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1148 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1149 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1150 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1151 | default: | |
03548ae8 | 1152 | flog_err(LIB_ERR_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1153 | return "Unknown type!"; |
8ccc7e80 | 1154 | #undef llts |
d62a17ae | 1155 | } |
1156 | return NULL; | |
8ccc7e80 | 1157 | } |
16f1b9ee | 1158 | |
d62a17ae | 1159 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1160 | { |
d62a17ae | 1161 | int i; |
16f1b9ee | 1162 | |
d62a17ae | 1163 | if (ifp->link_params != NULL) |
1164 | return ifp->link_params; | |
16f1b9ee | 1165 | |
d62a17ae | 1166 | struct if_link_params *iflp = |
1167 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1168 | if (iflp == NULL) | |
1169 | return NULL; | |
16f1b9ee | 1170 | |
d62a17ae | 1171 | /* Set TE metric equal to standard metric */ |
1172 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1173 | |
d62a17ae | 1174 | /* Compute default bandwidth based on interface */ |
1175 | iflp->default_bw = | |
1176 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1177 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1178 | |
d62a17ae | 1179 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1180 | iflp->max_bw = iflp->default_bw; | |
1181 | iflp->max_rsv_bw = iflp->default_bw; | |
1182 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1183 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1184 | |
d62a17ae | 1185 | /* Update Link parameters status */ |
1186 | iflp->lp_status = | |
1187 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1188 | |
d62a17ae | 1189 | /* Finally attach newly created Link Parameters */ |
1190 | ifp->link_params = iflp; | |
16f1b9ee | 1191 | |
d62a17ae | 1192 | return iflp; |
16f1b9ee OD |
1193 | } |
1194 | ||
d62a17ae | 1195 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1196 | { |
d62a17ae | 1197 | if (ifp->link_params == NULL) |
1198 | return; | |
1199 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1200 | ifp->link_params = NULL; | |
16f1b9ee | 1201 | } |