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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 | */ |
36de6e0e | 66 | int if_cmp_name_func(const char *p1, const 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 | ||
36de6e0e A |
102 | x1 = strtol(p1, (char **)&p1, 10); |
103 | x2 = strtol(p2, (char **)&p2, 10); | |
d62a17ae | 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 | { |
36de6e0e | 124 | return if_cmp_name_func(ifp1->name, 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 | |
6a154c88 DL |
209 | list_delete(&ifp->connected); |
210 | list_delete(&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 | { |
ee2f2c23 | 374 | struct interface *ifp = NULL; |
718e3744 | 375 | |
ee2f2c23 TC |
376 | if (vrf_is_mapped_on_netns(vrf_lookup_by_id(vrf_id))) { |
377 | ifp = if_lookup_by_name(name, vrf_id); | |
378 | if (ifp) | |
379 | return ifp; | |
380 | if (vty) { | |
381 | /* If the interface command was entered in vty without a | |
382 | * VRF (passed as VRF_DEFAULT), search an interface with | |
383 | * this name in all VRs | |
384 | */ | |
385 | if (vrf_id == VRF_DEFAULT) | |
386 | return if_lookup_by_name_all_vrf(name); | |
387 | return NULL; | |
388 | } | |
e9e9b115 | 389 | return if_create(name, vrf_id); |
379eb245 TC |
390 | } |
391 | /* vrf is based on vrf-lite */ | |
392 | ifp = if_lookup_by_name_all_vrf(name); | |
393 | if (ifp) { | |
394 | if (ifp->vrf_id == vrf_id) | |
bcc24579 | 395 | return ifp; |
379eb245 TC |
396 | /* Found a match on a different VRF. If the interface command |
397 | * was entered in vty without a VRF (passed as VRF_DEFAULT), | |
398 | * accept the ifp we found. If a vrf was entered and there is a | |
399 | * mismatch, reject it if from vty. If it came from the kernel | |
400 | * or by way of zclient, believe it and update the ifp | |
401 | * accordingly. | |
402 | */ | |
403 | if (vty) { | |
404 | if (vrf_id == VRF_DEFAULT) | |
405 | return ifp; | |
406 | return NULL; | |
ee2f2c23 | 407 | } |
379eb245 TC |
408 | /* If it came from the kernel or by way of zclient, believe it |
409 | * and update the ifp accordingly. | |
410 | */ | |
411 | if_update_to_new_vrf(ifp, vrf_id); | |
412 | return ifp; | |
85f9da7f | 413 | } |
379eb245 | 414 | return if_create(name, vrf_id); |
8736158a FL |
415 | } |
416 | ||
ff880b78 RW |
417 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
418 | { | |
5b8524f5 RW |
419 | struct vrf *vrf; |
420 | ||
421 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
422 | assert(vrf); | |
ff880b78 RW |
423 | |
424 | if (ifp->ifindex == ifindex) | |
425 | return; | |
426 | ||
427 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
428 | IFINDEX_RB_REMOVE(vrf, ifp) | |
429 | ||
430 | ifp->ifindex = ifindex; | |
431 | ||
432 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
433 | IFINDEX_RB_INSERT(vrf, ifp) | |
434 | } | |
435 | ||
718e3744 | 436 | /* Does interface up ? */ |
d62a17ae | 437 | int if_is_up(struct interface *ifp) |
718e3744 | 438 | { |
d62a17ae | 439 | return ifp->flags & IFF_UP; |
718e3744 | 440 | } |
441 | ||
2e3b2e47 | 442 | /* Is interface running? */ |
d62a17ae | 443 | int if_is_running(struct interface *ifp) |
2e3b2e47 | 444 | { |
d62a17ae | 445 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 446 | } |
447 | ||
448 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
449 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
450 | if ptm checking is enabled, then ptm check has passed */ | |
d62a17ae | 451 | int if_is_operative(struct interface *ifp) |
2e3b2e47 | 452 | { |
d62a17ae | 453 | return ((ifp->flags & IFF_UP) |
454 | && (((ifp->flags & IFF_RUNNING) | |
455 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
456 | || !CHECK_FLAG(ifp->status, | |
457 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
458 | } |
459 | ||
460 | /* Is the interface operative, eg. either UP & RUNNING | |
461 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
d62a17ae | 462 | int if_is_no_ptm_operative(struct interface *ifp) |
244c1cdc | 463 | { |
d62a17ae | 464 | return ((ifp->flags & IFF_UP) |
465 | && ((ifp->flags & IFF_RUNNING) | |
466 | || !CHECK_FLAG(ifp->status, | |
467 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 468 | } |
469 | ||
718e3744 | 470 | /* Is this loopback interface ? */ |
d62a17ae | 471 | int if_is_loopback(struct interface *ifp) |
718e3744 | 472 | { |
d62a17ae | 473 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
474 | * but Y on platform N? | |
475 | */ | |
476 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 477 | } |
478 | ||
0c74bbe0 CS |
479 | /* Check interface is VRF */ |
480 | int if_is_vrf(struct interface *ifp) | |
481 | { | |
482 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
483 | } | |
484 | ||
fec4ca19 DS |
485 | bool if_is_loopback_or_vrf(struct interface *ifp) |
486 | { | |
487 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
488 | return true; | |
489 | ||
490 | return false; | |
491 | } | |
492 | ||
718e3744 | 493 | /* Does this interface support broadcast ? */ |
d62a17ae | 494 | int if_is_broadcast(struct interface *ifp) |
718e3744 | 495 | { |
d62a17ae | 496 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 497 | } |
498 | ||
499 | /* Does this interface support broadcast ? */ | |
d62a17ae | 500 | int if_is_pointopoint(struct interface *ifp) |
718e3744 | 501 | { |
d62a17ae | 502 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 503 | } |
504 | ||
505 | /* Does this interface support multicast ? */ | |
d62a17ae | 506 | int if_is_multicast(struct interface *ifp) |
718e3744 | 507 | { |
d62a17ae | 508 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 509 | } |
510 | ||
511 | /* Printout flag information into log */ | |
d62a17ae | 512 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 513 | { |
d62a17ae | 514 | int separator = 0; |
515 | static char logbuf[BUFSIZ]; | |
516 | ||
517 | #define IFF_OUT_LOG(X, STR) \ | |
518 | if (flag & (X)) { \ | |
519 | if (separator) \ | |
520 | strlcat(logbuf, ",", BUFSIZ); \ | |
521 | else \ | |
522 | separator = 1; \ | |
523 | strlcat(logbuf, STR, BUFSIZ); \ | |
524 | } | |
718e3744 | 525 | |
d62a17ae | 526 | strlcpy(logbuf, "<", BUFSIZ); |
527 | IFF_OUT_LOG(IFF_UP, "UP"); | |
528 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
529 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
530 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
531 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
532 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
533 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
534 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
535 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
536 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
537 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
538 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
539 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
540 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
541 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
542 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
543 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
544 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
545 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
546 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
547 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
548 | ||
549 | strlcat(logbuf, ">", BUFSIZ); | |
550 | ||
551 | return logbuf; | |
630c97ce | 552 | #undef IFF_OUT_LOG |
718e3744 | 553 | } |
554 | ||
555 | /* For debugging */ | |
d62a17ae | 556 | static void if_dump(const struct interface *ifp) |
718e3744 | 557 | { |
d62a17ae | 558 | struct listnode *node; |
559 | struct connected *c __attribute__((unused)); | |
560 | ||
561 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
562 | zlog_info( | |
563 | "Interface %s vrf %u index %d metric %d mtu %d " | |
564 | "mtu6 %d %s", | |
565 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, | |
566 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); | |
718e3744 | 567 | } |
568 | ||
569 | /* Interface printing for all interface. */ | |
d62a17ae | 570 | void if_dump_all(void) |
718e3744 | 571 | { |
d62a17ae | 572 | struct vrf *vrf; |
f4e14fdb | 573 | void *ifp; |
d62a17ae | 574 | |
a2addae8 | 575 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 576 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 577 | if_dump(ifp); |
718e3744 | 578 | } |
579 | ||
6147e2c6 | 580 | DEFUN (interface_desc, |
718e3744 | 581 | interface_desc_cmd, |
fcbee690 | 582 | "description LINE...", |
718e3744 | 583 | "Interface specific description\n" |
584 | "Characters describing this interface\n") | |
585 | { | |
d62a17ae | 586 | int idx_line = 1; |
587 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
718e3744 | 588 | |
d62a17ae | 589 | if (ifp->desc) |
590 | XFREE(MTYPE_TMP, ifp->desc); | |
591 | ifp->desc = argv_concat(argv, argc, idx_line); | |
718e3744 | 592 | |
d62a17ae | 593 | return CMD_SUCCESS; |
718e3744 | 594 | } |
595 | ||
6147e2c6 | 596 | DEFUN (no_interface_desc, |
718e3744 | 597 | no_interface_desc_cmd, |
598 | "no description", | |
599 | NO_STR | |
600 | "Interface specific description\n") | |
601 | { | |
d62a17ae | 602 | VTY_DECLVAR_CONTEXT(interface, ifp); |
718e3744 | 603 | |
d62a17ae | 604 | if (ifp->desc) |
605 | XFREE(MTYPE_TMP, ifp->desc); | |
606 | ifp->desc = NULL; | |
718e3744 | 607 | |
d62a17ae | 608 | return CMD_SUCCESS; |
718e3744 | 609 | } |
6b0655a2 | 610 | |
98954844 PJ |
611 | #ifdef SUNOS_5 |
612 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
613 | * a seperate struct interface for each logical interface, so config | |
614 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
615 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
616 | * interfaces can be fruitless, for that reason Quagga only tracks | |
617 | * the primary IP interface. | |
618 | * | |
619 | * We try accomodate SUNWzebra by: | |
620 | * - looking up the interface name, to see whether it exists, if so | |
621 | * its useable | |
622 | * - for protocol daemons, this could only because zebra told us of | |
623 | * the interface | |
624 | * - for zebra, only because it learnt from kernel | |
625 | * - if not: | |
626 | * - search the name to see if it contains a sub-ipif / logical interface | |
627 | * seperator, the ':' char. If it does: | |
628 | * - text up to that char must be the primary name - get that name. | |
629 | * if not: | |
630 | * - no idea, just get the name in its entirety. | |
631 | */ | |
ae9eebca | 632 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 633 | { |
d62a17ae | 634 | struct interface *ifp; |
bcc24579 | 635 | char *cp; |
d62a17ae | 636 | |
bcc24579 | 637 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 638 | return ifp; |
639 | ||
640 | /* hunt the primary interface name... */ | |
bcc24579 RW |
641 | cp = strchr(name, ':'); |
642 | if (cp) | |
643 | *cp = '\0'; | |
d62a17ae | 644 | |
bcc24579 | 645 | return if_get_by_name(name, vrf_id, 1); |
98954844 PJ |
646 | } |
647 | #endif /* SUNOS_5 */ | |
6b0655a2 | 648 | |
91e5b43a | 649 | DEFUN_NOSH (interface, |
718e3744 | 650 | interface_cmd, |
199d90a1 | 651 | "interface IFNAME [vrf NAME]", |
718e3744 | 652 | "Select an interface to configure\n" |
fcbee690 QY |
653 | "Interface's name\n" |
654 | VRF_CMD_HELP_STR) | |
718e3744 | 655 | { |
d62a17ae | 656 | int idx_ifname = 1; |
657 | int idx_vrf = 3; | |
658 | const char *ifname = argv[idx_ifname]->arg; | |
b1cc6da8 DS |
659 | const char *vrfname = |
660 | (argc > 2) ? argv[idx_vrf]->arg : VRF_DEFAULT_NAME; | |
d62a17ae | 661 | |
662 | struct interface *ifp; | |
d62a17ae | 663 | vrf_id_t vrf_id = VRF_DEFAULT; |
664 | ||
bcc24579 | 665 | if (strlen(ifname) > INTERFACE_NAMSIZ) { |
d62a17ae | 666 | vty_out(vty, |
667 | "%% Interface name %s is invalid: length exceeds " | |
668 | "%d characters\n", | |
669 | ifname, INTERFACE_NAMSIZ); | |
670 | return CMD_WARNING_CONFIG_FAILED; | |
671 | } | |
718e3744 | 672 | |
d62a17ae | 673 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
674 | Imagine forward reference of a vrf by name in this interface config */ | |
675 | if (vrfname) | |
ec1db588 | 676 | VRF_GET_ID(vrf_id, vrfname, false); |
cd2a8a42 | 677 | |
98954844 | 678 | #ifdef SUNOS_5 |
bcc24579 | 679 | ifp = if_sunwzebra_get(ifname, vrf_id); |
98954844 | 680 | #else |
bcc24579 | 681 | ifp = if_get_by_name(ifname, vrf_id, 1); |
98954844 | 682 | #endif /* SUNOS_5 */ |
718e3744 | 683 | |
d62a17ae | 684 | if (!ifp) { |
b1cc6da8 DS |
685 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
686 | vrfname); | |
d62a17ae | 687 | return CMD_WARNING_CONFIG_FAILED; |
688 | } | |
689 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
718e3744 | 690 | |
d62a17ae | 691 | return CMD_SUCCESS; |
718e3744 | 692 | } |
693 | ||
91e5b43a RW |
694 | DEFUN (no_interface, |
695 | no_interface_cmd, | |
696 | "no interface IFNAME [vrf NAME]", | |
697 | NO_STR | |
698 | "Delete a pseudo interface's configuration\n" | |
699 | "Interface's name\n" | |
700 | VRF_CMD_HELP_STR) | |
32d2463c | 701 | { |
1505b537 | 702 | int idx_vrf = 4; |
d62a17ae | 703 | const char *ifname = argv[2]->arg; |
1505b537 | 704 | const char *vrfname = (argc > 3) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 705 | |
d62a17ae | 706 | // deleting interface |
707 | struct interface *ifp; | |
708 | vrf_id_t vrf_id = VRF_DEFAULT; | |
32d2463c | 709 | |
d62a17ae | 710 | if (argc > 3) |
ec1db588 | 711 | VRF_GET_ID(vrf_id, vrfname, false); |
cd2a8a42 | 712 | |
d62a17ae | 713 | ifp = if_lookup_by_name(ifname, vrf_id); |
32d2463c | 714 | |
d62a17ae | 715 | if (ifp == NULL) { |
716 | vty_out(vty, "%% Interface %s does not exist\n", ifname); | |
717 | return CMD_WARNING_CONFIG_FAILED; | |
718 | } | |
32d2463c | 719 | |
d62a17ae | 720 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
721 | vty_out(vty, "%% Only inactive interfaces can be deleted\n"); | |
722 | return CMD_WARNING_CONFIG_FAILED; | |
723 | } | |
32d2463c | 724 | |
d62a17ae | 725 | if_delete(ifp); |
32d2463c | 726 | |
d62a17ae | 727 | return CMD_SUCCESS; |
32d2463c | 728 | } |
729 | ||
5d56066e RW |
730 | static void if_autocomplete(vector comps, struct cmd_token *token) |
731 | { | |
732 | struct interface *ifp; | |
733 | struct vrf *vrf = NULL; | |
734 | ||
735 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
451fda4f | 736 | FOR_ALL_INTERFACES (vrf, ifp) { |
5d56066e RW |
737 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); |
738 | } | |
739 | } | |
740 | } | |
741 | ||
742 | static const struct cmd_variable_handler if_var_handlers[] = { | |
743 | {/* "interface NAME" */ | |
744 | .varname = "interface", | |
745 | .completions = if_autocomplete}, | |
746 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
747 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
748 | {.completions = NULL}}; | |
749 | ||
d62a17ae | 750 | void if_cmd_init(void) |
0b84f294 | 751 | { |
5d56066e RW |
752 | cmd_variable_handler_register(if_var_handlers); |
753 | ||
d62a17ae | 754 | install_element(CONFIG_NODE, &interface_cmd); |
755 | install_element(CONFIG_NODE, &no_interface_cmd); | |
0b84f294 | 756 | |
d62a17ae | 757 | install_default(INTERFACE_NODE); |
758 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
759 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
0b84f294 DL |
760 | } |
761 | ||
d7d73ffc | 762 | #if 0 |
718e3744 | 763 | /* For debug purpose. */ |
764 | DEFUN (show_address, | |
765 | show_address_cmd, | |
199d90a1 | 766 | "show address [vrf NAME]", |
718e3744 | 767 | SHOW_STR |
fcbee690 QY |
768 | "address\n" |
769 | VRF_CMD_HELP_STR) | |
718e3744 | 770 | { |
abddf075 | 771 | int idx_vrf = 3; |
52dc7ee6 | 772 | struct listnode *node; |
718e3744 | 773 | struct interface *ifp; |
774 | struct connected *ifc; | |
775 | struct prefix *p; | |
8736158a | 776 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 777 | |
fcbee690 | 778 | if (argc > 2) |
58749582 | 779 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 780 | |
451fda4f | 781 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 782 | { |
f4e14fdb | 783 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 784 | { |
718e3744 | 785 | p = ifc->address; |
786 | ||
787 | if (p->family == AF_INET) | |
55f70b67 | 788 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 789 | } |
790 | } | |
791 | return CMD_SUCCESS; | |
792 | } | |
793 | ||
8736158a FL |
794 | DEFUN (show_address_vrf_all, |
795 | show_address_vrf_all_cmd, | |
9ccf14f7 | 796 | "show address vrf all", |
8736158a FL |
797 | SHOW_STR |
798 | "address\n" | |
799 | VRF_ALL_CMD_HELP_STR) | |
800 | { | |
1a1a7065 | 801 | struct vrf *vrf; |
8736158a | 802 | struct listnode *node; |
8736158a FL |
803 | struct interface *ifp; |
804 | struct connected *ifc; | |
805 | struct prefix *p; | |
8736158a | 806 | |
a62c4901 | 807 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 808 | { |
f4e14fdb | 809 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
810 | continue; |
811 | ||
55f70b67 | 812 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 813 | |
451fda4f | 814 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 815 | { |
f4e14fdb | 816 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
817 | { |
818 | p = ifc->address; | |
819 | ||
820 | if (p->family == AF_INET) | |
55f70b67 | 821 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
822 | } |
823 | } | |
824 | } | |
825 | return CMD_SUCCESS; | |
826 | } | |
d7d73ffc | 827 | #endif |
8736158a | 828 | |
718e3744 | 829 | /* Allocate connected structure. */ |
d62a17ae | 830 | struct connected *connected_new(void) |
718e3744 | 831 | { |
d62a17ae | 832 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 833 | } |
834 | ||
a80beece | 835 | /* Allocate nbr connected structure. */ |
d62a17ae | 836 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 837 | { |
d62a17ae | 838 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
839 | } |
840 | ||
718e3744 | 841 | /* Free connected structure. */ |
d62a17ae | 842 | void connected_free(struct connected *connected) |
718e3744 | 843 | { |
d62a17ae | 844 | if (connected->address) |
845 | prefix_free(connected->address); | |
718e3744 | 846 | |
d62a17ae | 847 | if (connected->destination) |
848 | prefix_free(connected->destination); | |
718e3744 | 849 | |
d62a17ae | 850 | if (connected->label) |
851 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); | |
718e3744 | 852 | |
d62a17ae | 853 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 854 | } |
855 | ||
a80beece | 856 | /* Free nbr connected structure. */ |
d62a17ae | 857 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 858 | { |
d62a17ae | 859 | if (connected->address) |
860 | prefix_free(connected->address); | |
a80beece | 861 | |
d62a17ae | 862 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
863 | } |
864 | ||
865 | /* If same interface nbr address already exists... */ | |
d62a17ae | 866 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
867 | struct prefix *p) | |
a80beece | 868 | { |
d62a17ae | 869 | struct nbr_connected *ifc; |
870 | struct listnode *node; | |
a80beece | 871 | |
d62a17ae | 872 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
873 | if (prefix_same(ifc->address, p)) | |
874 | return ifc; | |
a80beece | 875 | |
d62a17ae | 876 | return NULL; |
a80beece DS |
877 | } |
878 | ||
718e3744 | 879 | /* Print if_addr structure. */ |
d62a17ae | 880 | static void __attribute__((unused)) |
881 | connected_log(struct connected *connected, char *str) | |
718e3744 | 882 | { |
d62a17ae | 883 | struct prefix *p; |
884 | struct interface *ifp; | |
885 | char logbuf[BUFSIZ]; | |
886 | char buf[BUFSIZ]; | |
887 | ||
888 | ifp = connected->ifp; | |
889 | p = connected->address; | |
890 | ||
891 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
892 | ifp->name, ifp->vrf_id, prefix_family_str(p), | |
893 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
894 | ||
895 | p = connected->destination; | |
896 | if (p) { | |
897 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
898 | BUFSIZ - strlen(logbuf)); | |
899 | } | |
900 | zlog_info("%s", logbuf); | |
718e3744 | 901 | } |
902 | ||
a80beece | 903 | /* Print if_addr structure. */ |
d62a17ae | 904 | static void __attribute__((unused)) |
905 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 906 | { |
d62a17ae | 907 | struct prefix *p; |
908 | struct interface *ifp; | |
909 | char logbuf[BUFSIZ]; | |
910 | char buf[BUFSIZ]; | |
a80beece | 911 | |
d62a17ae | 912 | ifp = connected->ifp; |
913 | p = connected->address; | |
a80beece | 914 | |
d62a17ae | 915 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
916 | prefix_family_str(p), | |
917 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 918 | |
d62a17ae | 919 | zlog_info("%s", logbuf); |
a80beece DS |
920 | } |
921 | ||
718e3744 | 922 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 923 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 924 | { |
d62a17ae | 925 | if (p1->family == p2->family) { |
926 | if (p1->family == AF_INET | |
927 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
928 | return 1; | |
929 | if (p1->family == AF_INET6 | |
930 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
931 | return 1; | |
932 | } | |
933 | return 0; | |
718e3744 | 934 | } |
935 | ||
d62a17ae | 936 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
937 | struct prefix *p) | |
38485402 | 938 | { |
d62a17ae | 939 | struct listnode *node; |
940 | struct listnode *next; | |
941 | struct connected *ifc; | |
38485402 | 942 | |
d62a17ae | 943 | for (node = listhead(ifp->connected); node; node = next) { |
944 | ifc = listgetdata(node); | |
945 | next = node->next; | |
38485402 | 946 | |
d62a17ae | 947 | if (connected_same_prefix(ifc->address, p)) |
948 | return ifc; | |
949 | } | |
950 | return NULL; | |
38485402 DS |
951 | } |
952 | ||
d62a17ae | 953 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
954 | struct prefix *p) | |
718e3744 | 955 | { |
d62a17ae | 956 | struct listnode *node; |
957 | struct listnode *next; | |
958 | struct connected *ifc; | |
959 | ||
960 | /* In case of same prefix come, replace it with new one. */ | |
961 | for (node = listhead(ifp->connected); node; node = next) { | |
962 | ifc = listgetdata(node); | |
963 | next = node->next; | |
964 | ||
965 | if (connected_same_prefix(ifc->address, p)) { | |
966 | listnode_delete(ifp->connected, ifc); | |
967 | return ifc; | |
968 | } | |
718e3744 | 969 | } |
d62a17ae | 970 | return NULL; |
718e3744 | 971 | } |
972 | ||
bd40c341 | 973 | /* Find the address on our side that will be used when packets |
727d104b | 974 | are sent to dst. */ |
d62a17ae | 975 | struct connected *connected_lookup_prefix(struct interface *ifp, |
976 | struct prefix *addr) | |
727d104b | 977 | { |
d62a17ae | 978 | struct listnode *cnode; |
979 | struct connected *c; | |
980 | struct connected *match; | |
981 | ||
982 | match = NULL; | |
983 | ||
984 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
985 | if (c->address && (c->address->family == addr->family) | |
986 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
987 | && (!match | |
988 | || (c->address->prefixlen > match->address->prefixlen))) | |
989 | match = c; | |
990 | } | |
991 | return match; | |
727d104b | 992 | } |
993 | ||
d62a17ae | 994 | struct connected *connected_add_by_prefix(struct interface *ifp, |
995 | struct prefix *p, | |
996 | struct prefix *destination) | |
4a7aac1b | 997 | { |
d62a17ae | 998 | struct connected *ifc; |
4a7aac1b | 999 | |
d62a17ae | 1000 | /* Allocate new connected address. */ |
1001 | ifc = connected_new(); | |
1002 | ifc->ifp = ifp; | |
4a7aac1b | 1003 | |
d62a17ae | 1004 | /* Fetch interface address */ |
1005 | ifc->address = prefix_new(); | |
1006 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1007 | |
d62a17ae | 1008 | /* Fetch dest address */ |
1009 | if (destination) { | |
1010 | ifc->destination = prefix_new(); | |
1011 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1012 | } | |
4a7aac1b | 1013 | |
d62a17ae | 1014 | /* Add connected address to the interface. */ |
1015 | listnode_add(ifp->connected, ifc); | |
1016 | return ifc; | |
4a7aac1b | 1017 | } |
1018 | ||
d62a17ae | 1019 | #if 0 /* this route_table of struct connected's is unused \ |
1020 | * however, it would be good to use a route_table rather than \ | |
1021 | * a list.. \ | |
1022 | */ | |
718e3744 | 1023 | /* Interface looking up by interface's address. */ |
718e3744 | 1024 | /* Interface's IPv4 address reverse lookup table. */ |
1025 | struct route_table *ifaddr_ipv4_table; | |
1026 | /* struct route_table *ifaddr_ipv6_table; */ | |
1027 | ||
8cc4198f | 1028 | static void |
718e3744 | 1029 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1030 | { | |
1031 | struct route_node *rn; | |
1032 | struct prefix_ipv4 p; | |
1033 | ||
1034 | p.family = AF_INET; | |
1035 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1036 | p.prefix = *ifaddr; | |
1037 | ||
1038 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1039 | if (rn) | |
1040 | { | |
1041 | route_unlock_node (rn); | |
1042 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1043 | inet_ntoa (*ifaddr)); | |
1044 | return; | |
1045 | } | |
1046 | rn->info = ifp; | |
1047 | } | |
1048 | ||
8cc4198f | 1049 | static void |
718e3744 | 1050 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1051 | { | |
1052 | struct route_node *rn; | |
1053 | struct prefix_ipv4 p; | |
1054 | ||
1055 | p.family = AF_INET; | |
1056 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1057 | p.prefix = *ifaddr; | |
1058 | ||
1059 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1060 | if (! rn) | |
1061 | { | |
1062 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1063 | inet_ntoa (*ifaddr)); | |
1064 | return; | |
1065 | } | |
1066 | rn->info = NULL; | |
1067 | route_unlock_node (rn); | |
1068 | route_unlock_node (rn); | |
1069 | } | |
1070 | ||
1071 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1072 | static struct interface * |
b892f1dd | 1073 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1074 | { |
1075 | struct prefix_ipv4 p; | |
1076 | struct route_node *rn; | |
1077 | struct interface *ifp; | |
718e3744 | 1078 | |
1079 | if (addr) | |
1080 | { | |
1081 | p.family = AF_INET; | |
1082 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1083 | p.prefix = *addr; | |
1084 | ||
1085 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1086 | if (! rn) | |
1087 | return NULL; | |
55cd0f61 | 1088 | |
718e3744 | 1089 | ifp = rn->info; |
1090 | route_unlock_node (rn); | |
1091 | return ifp; | |
1092 | } | |
1093 | else | |
7e2b7603 | 1094 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1095 | } |
8cc4198f | 1096 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1097 | |
f4e14fdb | 1098 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1099 | { |
f4e14fdb | 1100 | struct interface *ifp; |
4bd045d5 | 1101 | |
55cd0f61 DS |
1102 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1103 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1104 | ||
d62a17ae | 1105 | if (ifp->node) { |
1106 | ifp->node->info = NULL; | |
1107 | route_unlock_node(ifp->node); | |
1108 | } | |
d62a17ae | 1109 | if_delete(ifp); |
1110 | } | |
4bd045d5 | 1111 | } |
8ccc7e80 | 1112 | |
d62a17ae | 1113 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1114 | { |
d62a17ae | 1115 | switch (llt) { |
8ccc7e80 | 1116 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1117 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1118 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1119 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1120 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1121 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1122 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1123 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1124 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1125 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1126 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1127 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1128 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1129 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1130 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1131 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1132 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1133 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1134 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1135 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1136 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1137 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1138 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1139 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1140 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1141 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1142 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1143 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1144 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1145 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1146 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1147 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1148 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1149 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1150 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1151 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1152 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1153 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1154 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1155 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1156 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1157 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1158 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1159 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1160 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1161 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1162 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1163 | default: | |
450971aa | 1164 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1165 | return "Unknown type!"; |
8ccc7e80 | 1166 | #undef llts |
d62a17ae | 1167 | } |
1168 | return NULL; | |
8ccc7e80 | 1169 | } |
16f1b9ee | 1170 | |
d62a17ae | 1171 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1172 | { |
d62a17ae | 1173 | int i; |
16f1b9ee | 1174 | |
d62a17ae | 1175 | if (ifp->link_params != NULL) |
1176 | return ifp->link_params; | |
16f1b9ee | 1177 | |
d62a17ae | 1178 | struct if_link_params *iflp = |
1179 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1180 | if (iflp == NULL) | |
1181 | return NULL; | |
16f1b9ee | 1182 | |
d62a17ae | 1183 | /* Set TE metric equal to standard metric */ |
1184 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1185 | |
d62a17ae | 1186 | /* Compute default bandwidth based on interface */ |
1187 | iflp->default_bw = | |
1188 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1189 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1190 | |
d62a17ae | 1191 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1192 | iflp->max_bw = iflp->default_bw; | |
1193 | iflp->max_rsv_bw = iflp->default_bw; | |
1194 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1195 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1196 | |
d62a17ae | 1197 | /* Update Link parameters status */ |
1198 | iflp->lp_status = | |
1199 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1200 | |
d62a17ae | 1201 | /* Finally attach newly created Link Parameters */ |
1202 | ifp->link_params = iflp; | |
16f1b9ee | 1203 | |
d62a17ae | 1204 | return iflp; |
16f1b9ee OD |
1205 | } |
1206 | ||
d62a17ae | 1207 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1208 | { |
d62a17ae | 1209 | if (ifp->link_params == NULL) |
1210 | return; | |
1211 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1212 | ifp->link_params = NULL; | |
16f1b9ee | 1213 | } |