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Commit | Line | Data |
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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" |
8f90d89b RW |
37 | #include "northbound_cli.h" |
38 | #ifndef VTYSH_EXTRACT_PL | |
39 | #include "lib/if_clippy.c" | |
40 | #endif | |
6b0655a2 | 41 | |
eaf58ba9 | 42 | DEFINE_MTYPE_STATIC(LIB, IF, "Interface") |
d62a17ae | 43 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") |
44 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
45 | DEFINE_MTYPE(LIB, CONNECTED_LABEL, "Connected interface label") | |
46 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
4a1ab8e4 | 47 | |
47b474b5 DD |
48 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, |
49 | vrf_id_t vrf_id); | |
f4e14fdb | 50 | static int if_cmp_func(const struct interface *, const struct interface *); |
ff880b78 RW |
51 | static int if_cmp_index_func(const struct interface *ifp1, |
52 | const struct interface *ifp2); | |
f4e14fdb | 53 | RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); |
ff880b78 | 54 | RB_GENERATE(if_index_head, interface, index_entry, if_cmp_index_func); |
f4e14fdb | 55 | |
e80e7cce DL |
56 | DEFINE_QOBJ_TYPE(interface) |
57 | ||
996c9314 LB |
58 | DEFINE_HOOK(if_add, (struct interface * ifp), (ifp)) |
59 | DEFINE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 60 | |
3a0391a9 | 61 | /* Compare interface names, returning an integer greater than, equal to, or |
62 | * less than 0, (following the strcmp convention), according to the | |
63 | * relationship between ifp1 and ifp2. Interface names consist of an | |
64 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
65 | * lexicographic by name, and then numeric by number. No number sorts | |
66 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
67 | * devpty0, de0 < del0 | |
d62a17ae | 68 | */ |
36de6e0e | 69 | int if_cmp_name_func(const char *p1, const char *p2) |
106d2fd5 | 70 | { |
d62a17ae | 71 | unsigned int l1, l2; |
72 | long int x1, x2; | |
73 | int res; | |
74 | ||
75 | while (*p1 && *p2) { | |
76 | /* look up to any number */ | |
77 | l1 = strcspn(p1, "0123456789"); | |
78 | l2 = strcspn(p2, "0123456789"); | |
79 | ||
80 | /* name lengths are different -> compare names */ | |
81 | if (l1 != l2) | |
82 | return (strcmp(p1, p2)); | |
83 | ||
84 | /* Note that this relies on all numbers being less than all | |
85 | * letters, so | |
86 | * that de0 < del0. | |
87 | */ | |
88 | res = strncmp(p1, p2, l1); | |
89 | ||
90 | /* names are different -> compare them */ | |
91 | if (res) | |
92 | return res; | |
93 | ||
94 | /* with identical name part, go to numeric part */ | |
95 | p1 += l1; | |
96 | p2 += l1; | |
97 | ||
c9cbbb40 RW |
98 | if (!*p1 && !*p2) |
99 | return 0; | |
d62a17ae | 100 | if (!*p1) |
101 | return -1; | |
102 | if (!*p2) | |
103 | return 1; | |
104 | ||
36de6e0e A |
105 | x1 = strtol(p1, (char **)&p1, 10); |
106 | x2 = strtol(p2, (char **)&p2, 10); | |
d62a17ae | 107 | |
108 | /* let's compare numbers now */ | |
109 | if (x1 < x2) | |
110 | return -1; | |
111 | if (x1 > x2) | |
112 | return 1; | |
113 | ||
114 | /* numbers were equal, lets do it again.. | |
115 | (it happens with name like "eth123.456:789") */ | |
116 | } | |
117 | if (*p1) | |
118 | return 1; | |
119 | if (*p2) | |
120 | return -1; | |
121 | return 0; | |
106d2fd5 | 122 | } |
123 | ||
f4e14fdb RW |
124 | static int if_cmp_func(const struct interface *ifp1, |
125 | const struct interface *ifp2) | |
974fc9d2 | 126 | { |
36de6e0e | 127 | return if_cmp_name_func(ifp1->name, ifp2->name); |
974fc9d2 DS |
128 | } |
129 | ||
ff880b78 RW |
130 | static int if_cmp_index_func(const struct interface *ifp1, |
131 | const struct interface *ifp2) | |
132 | { | |
133 | return ifp1->ifindex - ifp2->ifindex; | |
134 | } | |
135 | ||
718e3744 | 136 | /* Create new interface structure. */ |
ea7ec261 DD |
137 | static struct interface *if_create_backend(const char *name, ifindex_t ifindex, |
138 | vrf_id_t vrf_id) | |
718e3744 | 139 | { |
a36898e7 | 140 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
d62a17ae | 141 | struct interface *ifp; |
d62a17ae | 142 | |
143 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
a36898e7 | 144 | ifp->vrf_id = vrf_id; |
ea7ec261 DD |
145 | |
146 | if (name) { | |
147 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
148 | IFNAME_RB_INSERT(vrf, ifp); | |
149 | } else | |
150 | ifp->name[0] = '\0'; | |
151 | ||
152 | if (ifindex != IFINDEX_INTERNAL) | |
153 | if_set_index(ifp, ifindex); | |
154 | else | |
155 | ifp->ifindex = ifindex; /* doesn't add it to the list */ | |
156 | ||
d62a17ae | 157 | ifp->connected = list_new(); |
158 | ifp->connected->del = (void (*)(void *))connected_free; | |
159 | ||
160 | ifp->nbr_connected = list_new(); | |
161 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
162 | ||
163 | /* Enable Link-detection by default */ | |
164 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
165 | ||
166 | QOBJ_REG(ifp, interface); | |
996c9314 | 167 | hook_call(if_add, ifp); |
d62a17ae | 168 | return ifp; |
718e3744 | 169 | } |
170 | ||
ea7ec261 DD |
171 | struct interface *if_create(const char *name, vrf_id_t vrf_id) |
172 | { | |
173 | return if_create_backend(name, IFINDEX_INTERNAL, vrf_id); | |
174 | } | |
175 | ||
176 | struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) | |
177 | { | |
178 | return if_create_backend(NULL, ifindex, vrf_id); | |
179 | } | |
180 | ||
a36898e7 DS |
181 | /* Create new interface structure. */ |
182 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) | |
f93e3f69 | 183 | { |
a36898e7 | 184 | struct vrf *old_vrf, *vrf; |
d62a17ae | 185 | |
186 | /* remove interface from old master vrf list */ | |
a36898e7 | 187 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b RW |
188 | if (old_vrf) { |
189 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
ff880b78 | 190 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 191 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 192 | } |
d62a17ae | 193 | |
a36898e7 DS |
194 | ifp->vrf_id = vrf_id; |
195 | vrf = vrf_get(ifp->vrf_id, NULL); | |
ff880b78 RW |
196 | |
197 | IFNAME_RB_INSERT(vrf, ifp); | |
198 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
199 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
200 | |
201 | /* | |
202 | * HACK: Change the interface VRF in the running configuration directly, | |
203 | * bypassing the northbound layer. This is necessary to avoid deleting | |
204 | * the interface and readding it in the new VRF, which would have | |
205 | * several implications. | |
206 | */ | |
207 | if (yang_module_find("frr-interface")) { | |
208 | struct lyd_node *if_dnode; | |
209 | ||
83981138 RW |
210 | pthread_rwlock_wrlock(&running_config->lock); |
211 | { | |
212 | if_dnode = yang_dnode_get( | |
213 | running_config->dnode, | |
214 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
215 | ifp->name, old_vrf->name); | |
216 | if (if_dnode) { | |
217 | yang_dnode_change_leaf(if_dnode, vrf->name); | |
218 | running_config->version++; | |
219 | } | |
8f90d89b | 220 | } |
83981138 | 221 | pthread_rwlock_unlock(&running_config->lock); |
8f90d89b | 222 | } |
f93e3f69 DS |
223 | } |
224 | ||
d2fc8896 | 225 | /* Delete interface structure. */ |
d62a17ae | 226 | void if_delete_retain(struct interface *ifp) |
718e3744 | 227 | { |
996c9314 | 228 | hook_call(if_del, ifp); |
d62a17ae | 229 | QOBJ_UNREG(ifp); |
e80e7cce | 230 | |
d62a17ae | 231 | /* Free connected address list */ |
232 | list_delete_all_node(ifp->connected); | |
a80beece | 233 | |
d62a17ae | 234 | /* Free connected nbr address list */ |
235 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 236 | } |
237 | ||
238 | /* Delete and free interface structure. */ | |
d62a17ae | 239 | void if_delete(struct interface *ifp) |
d2fc8896 | 240 | { |
a36898e7 | 241 | struct vrf *vrf; |
5b8524f5 | 242 | |
a36898e7 | 243 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
5b8524f5 | 244 | assert(vrf); |
f4e14fdb | 245 | |
ff880b78 RW |
246 | IFNAME_RB_REMOVE(vrf, ifp); |
247 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
248 | IFINDEX_RB_REMOVE(vrf, ifp); | |
d2fc8896 | 249 | |
d62a17ae | 250 | if_delete_retain(ifp); |
718e3744 | 251 | |
6a154c88 DL |
252 | list_delete(&ifp->connected); |
253 | list_delete(&ifp->nbr_connected); | |
2dd04c5d | 254 | |
d62a17ae | 255 | if_link_params_free(ifp); |
16f1b9ee | 256 | |
0a22ddfb | 257 | XFREE(MTYPE_TMP, ifp->desc); |
c7974c0f | 258 | |
d62a17ae | 259 | XFREE(MTYPE_IF, ifp); |
718e3744 | 260 | } |
261 | ||
47b474b5 DD |
262 | /* Used only internally to check within VRF only */ |
263 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, | |
264 | vrf_id_t vrf_id) | |
718e3744 | 265 | { |
5b8524f5 | 266 | struct vrf *vrf; |
ff880b78 | 267 | struct interface if_tmp; |
f4e14fdb | 268 | |
5b8524f5 RW |
269 | vrf = vrf_lookup_by_id(vrf_id); |
270 | if (!vrf) | |
271 | return NULL; | |
272 | ||
ff880b78 RW |
273 | if_tmp.ifindex = ifindex; |
274 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 275 | } |
276 | ||
47b474b5 DD |
277 | /* Interface existance check by index. */ |
278 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) | |
279 | { | |
280 | switch (vrf_get_backend()) { | |
281 | case VRF_BACKEND_UNKNOWN: | |
282 | case VRF_BACKEND_NETNS: | |
283 | return(if_lookup_by_ifindex(ifindex, vrf_id)); | |
284 | case VRF_BACKEND_VRF_LITE: | |
285 | return(if_lookup_by_index_all_vrf(ifindex)); | |
286 | } | |
287 | return NULL; | |
288 | } | |
289 | ||
d62a17ae | 290 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 291 | { |
d62a17ae | 292 | struct interface *ifp; |
718e3744 | 293 | |
d62a17ae | 294 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
295 | ? ifp->name | |
296 | : "unknown"; | |
d2fc8896 | 297 | } |
298 | ||
d62a17ae | 299 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 300 | { |
d62a17ae | 301 | struct interface *ifp; |
d2fc8896 | 302 | |
a36898e7 | 303 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 304 | ? ifp->ifindex |
305 | : IFINDEX_INTERNAL; | |
718e3744 | 306 | } |
307 | ||
308 | /* Interface existance check by interface name. */ | |
a36898e7 | 309 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 310 | { |
a36898e7 | 311 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
f4e14fdb | 312 | struct interface if_tmp; |
d62a17ae | 313 | |
5b8524f5 RW |
314 | if (!vrf || !name |
315 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 316 | return NULL; |
f8962871 | 317 | |
f4e14fdb RW |
318 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
319 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
320 | } |
321 | ||
bcc24579 | 322 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 323 | { |
bcc24579 | 324 | struct vrf *vrf; |
d62a17ae | 325 | struct interface *ifp; |
a349198f | 326 | |
bcc24579 | 327 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 328 | return NULL; |
a349198f | 329 | |
bcc24579 | 330 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
a36898e7 | 331 | ifp = if_lookup_by_name(name, vrf->vrf_id); |
bcc24579 | 332 | if (ifp) |
d62a17ae | 333 | return ifp; |
334 | } | |
bcc24579 | 335 | |
d62a17ae | 336 | return NULL; |
a349198f | 337 | } |
338 | ||
ea7ec261 DD |
339 | struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex) |
340 | { | |
341 | struct vrf *vrf; | |
342 | struct interface *ifp; | |
343 | ||
344 | if (ifindex == IFINDEX_INTERNAL) | |
345 | return NULL; | |
346 | ||
347 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
47b474b5 | 348 | ifp = if_lookup_by_ifindex(ifindex, vrf->vrf_id); |
ea7ec261 DD |
349 | if (ifp) |
350 | return ifp; | |
351 | } | |
352 | ||
353 | return NULL; | |
354 | } | |
355 | ||
3923b6e3 | 356 | /* Lookup interface by IP address. */ |
d62a17ae | 357 | struct interface *if_lookup_exact_address(void *src, int family, |
358 | vrf_id_t vrf_id) | |
718e3744 | 359 | { |
f4e14fdb | 360 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 361 | struct listnode *cnode; |
362 | struct interface *ifp; | |
363 | struct prefix *p; | |
364 | struct connected *c; | |
365 | ||
451fda4f | 366 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 367 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
368 | p = c->address; | |
369 | ||
370 | if (p && (p->family == family)) { | |
371 | if (family == AF_INET) { | |
372 | if (IPV4_ADDR_SAME( | |
373 | &p->u.prefix4, | |
374 | (struct in_addr *)src)) | |
375 | return ifp; | |
376 | } else if (family == AF_INET6) { | |
377 | if (IPV6_ADDR_SAME( | |
378 | &p->u.prefix6, | |
379 | (struct in6_addr *)src)) | |
380 | return ifp; | |
381 | } | |
382 | } | |
0aabccc0 | 383 | } |
718e3744 | 384 | } |
d62a17ae | 385 | return NULL; |
718e3744 | 386 | } |
387 | ||
3923b6e3 | 388 | /* Lookup interface by IP address. */ |
d62a17ae | 389 | struct connected *if_lookup_address(void *matchaddr, int family, |
390 | vrf_id_t vrf_id) | |
718e3744 | 391 | { |
f4e14fdb | 392 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 393 | struct prefix addr; |
394 | int bestlen = 0; | |
395 | struct listnode *cnode; | |
396 | struct interface *ifp; | |
397 | struct connected *c; | |
398 | struct connected *match; | |
399 | ||
400 | if (family == AF_INET) { | |
401 | addr.family = AF_INET; | |
402 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
403 | addr.prefixlen = IPV4_MAX_BITLEN; | |
404 | } else if (family == AF_INET6) { | |
405 | addr.family = AF_INET6; | |
406 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
407 | addr.prefixlen = IPV6_MAX_BITLEN; | |
408 | } | |
718e3744 | 409 | |
d62a17ae | 410 | match = NULL; |
718e3744 | 411 | |
451fda4f | 412 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 413 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
414 | if (c->address && (c->address->family == AF_INET) | |
415 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
416 | && (c->address->prefixlen > bestlen)) { | |
417 | bestlen = c->address->prefixlen; | |
418 | match = c; | |
419 | } | |
420 | } | |
718e3744 | 421 | } |
d62a17ae | 422 | return match; |
718e3744 | 423 | } |
424 | ||
b81e97a8 | 425 | /* Lookup interface by prefix */ |
d62a17ae | 426 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 427 | { |
f4e14fdb | 428 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 429 | struct listnode *cnode; |
430 | struct interface *ifp; | |
431 | struct connected *c; | |
432 | ||
451fda4f | 433 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 434 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
435 | if (prefix_cmp(c->address, prefix) == 0) { | |
436 | return ifp; | |
437 | } | |
438 | } | |
439 | } | |
440 | return NULL; | |
b81e97a8 DD |
441 | } |
442 | ||
dad18a2f QY |
443 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
444 | struct interface ***result, vrf_id_t vrf_id) | |
445 | { | |
446 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
447 | ||
448 | struct list *rs = list_new(); | |
449 | struct interface *ifp; | |
450 | ||
451 | FOR_ALL_INTERFACES (vrf, ifp) { | |
452 | if (ifp->hw_addr_len == (int)addrsz | |
453 | && !memcmp(hw_addr, ifp->hw_addr, addrsz)) | |
454 | listnode_add(rs, ifp); | |
455 | } | |
456 | ||
457 | if (rs->count) { | |
458 | *result = XCALLOC(MTYPE_TMP, | |
459 | sizeof(struct interface *) * rs->count); | |
460 | list_to_array(rs, (void **)*result, rs->count); | |
461 | } | |
462 | ||
463 | int count = rs->count; | |
464 | ||
465 | list_delete(&rs); | |
466 | ||
467 | return count; | |
468 | } | |
469 | ||
470 | ||
718e3744 | 471 | /* Get interface by name if given name interface doesn't exist create |
472 | one. */ | |
a36898e7 | 473 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 474 | { |
8f90d89b | 475 | struct interface *ifp; |
718e3744 | 476 | |
8f90d89b | 477 | switch (vrf_get_backend()) { |
b0b97a7f | 478 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 479 | case VRF_BACKEND_NETNS: |
a36898e7 | 480 | ifp = if_lookup_by_name(name, vrf_id); |
ee2f2c23 TC |
481 | if (ifp) |
482 | return ifp; | |
a36898e7 | 483 | return if_create(name, vrf_id); |
8f90d89b RW |
484 | case VRF_BACKEND_VRF_LITE: |
485 | ifp = if_lookup_by_name_all_vrf(name); | |
486 | if (ifp) { | |
a36898e7 | 487 | if (ifp->vrf_id == vrf_id) |
379eb245 | 488 | return ifp; |
8f90d89b RW |
489 | /* If it came from the kernel or by way of zclient, |
490 | * believe it and update the ifp accordingly. | |
491 | */ | |
a36898e7 | 492 | if_update_to_new_vrf(ifp, vrf_id); |
8f90d89b | 493 | return ifp; |
ee2f2c23 | 494 | } |
a36898e7 | 495 | return if_create(name, vrf_id); |
85f9da7f | 496 | } |
8f90d89b RW |
497 | |
498 | return NULL; | |
8736158a FL |
499 | } |
500 | ||
ea7ec261 DD |
501 | struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) |
502 | { | |
503 | struct interface *ifp; | |
504 | ||
505 | switch (vrf_get_backend()) { | |
506 | case VRF_BACKEND_UNKNOWN: | |
507 | case VRF_BACKEND_NETNS: | |
47b474b5 | 508 | ifp = if_lookup_by_ifindex(ifindex, vrf_id); |
ea7ec261 DD |
509 | if (ifp) |
510 | return ifp; | |
511 | return if_create_ifindex(ifindex, vrf_id); | |
512 | case VRF_BACKEND_VRF_LITE: | |
513 | ifp = if_lookup_by_index_all_vrf(ifindex); | |
514 | if (ifp) { | |
515 | if (ifp->vrf_id == vrf_id) | |
516 | return ifp; | |
517 | /* If it came from the kernel or by way of zclient, | |
518 | * believe it and update the ifp accordingly. | |
519 | */ | |
520 | if_update_to_new_vrf(ifp, vrf_id); | |
521 | return ifp; | |
522 | } | |
523 | return if_create_ifindex(ifindex, vrf_id); | |
524 | } | |
525 | ||
526 | return NULL; | |
527 | } | |
528 | ||
ff880b78 RW |
529 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
530 | { | |
5b8524f5 RW |
531 | struct vrf *vrf; |
532 | ||
a36898e7 | 533 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
5b8524f5 | 534 | assert(vrf); |
ff880b78 RW |
535 | |
536 | if (ifp->ifindex == ifindex) | |
537 | return; | |
538 | ||
539 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
540 | IFINDEX_RB_REMOVE(vrf, ifp) | |
541 | ||
542 | ifp->ifindex = ifindex; | |
543 | ||
544 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
545 | IFINDEX_RB_INSERT(vrf, ifp) | |
546 | } | |
547 | ||
718e3744 | 548 | /* Does interface up ? */ |
6339042c | 549 | int if_is_up(const struct interface *ifp) |
718e3744 | 550 | { |
d62a17ae | 551 | return ifp->flags & IFF_UP; |
718e3744 | 552 | } |
553 | ||
2e3b2e47 | 554 | /* Is interface running? */ |
6339042c | 555 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 556 | { |
d62a17ae | 557 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 558 | } |
559 | ||
560 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
561 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
562 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 563 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 564 | { |
d62a17ae | 565 | return ((ifp->flags & IFF_UP) |
566 | && (((ifp->flags & IFF_RUNNING) | |
567 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
568 | || !CHECK_FLAG(ifp->status, | |
569 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
570 | } |
571 | ||
572 | /* Is the interface operative, eg. either UP & RUNNING | |
573 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 574 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 575 | { |
d62a17ae | 576 | return ((ifp->flags & IFF_UP) |
577 | && ((ifp->flags & IFF_RUNNING) | |
578 | || !CHECK_FLAG(ifp->status, | |
579 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 580 | } |
581 | ||
718e3744 | 582 | /* Is this loopback interface ? */ |
6339042c | 583 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 584 | { |
d62a17ae | 585 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
586 | * but Y on platform N? | |
587 | */ | |
588 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 589 | } |
590 | ||
0c74bbe0 | 591 | /* Check interface is VRF */ |
6339042c | 592 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
593 | { |
594 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
595 | } | |
596 | ||
6339042c | 597 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
598 | { |
599 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
600 | return true; | |
601 | ||
602 | return false; | |
603 | } | |
604 | ||
718e3744 | 605 | /* Does this interface support broadcast ? */ |
6339042c | 606 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 607 | { |
d62a17ae | 608 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 609 | } |
610 | ||
611 | /* Does this interface support broadcast ? */ | |
6339042c | 612 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 613 | { |
d62a17ae | 614 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 615 | } |
616 | ||
617 | /* Does this interface support multicast ? */ | |
6339042c | 618 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 619 | { |
d62a17ae | 620 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 621 | } |
622 | ||
623 | /* Printout flag information into log */ | |
d62a17ae | 624 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 625 | { |
d62a17ae | 626 | int separator = 0; |
627 | static char logbuf[BUFSIZ]; | |
628 | ||
629 | #define IFF_OUT_LOG(X, STR) \ | |
630 | if (flag & (X)) { \ | |
631 | if (separator) \ | |
3393df5c | 632 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 633 | else \ |
634 | separator = 1; \ | |
3393df5c | 635 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 636 | } |
718e3744 | 637 | |
d62a17ae | 638 | strlcpy(logbuf, "<", BUFSIZ); |
639 | IFF_OUT_LOG(IFF_UP, "UP"); | |
640 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
641 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
642 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
643 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
644 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
645 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
646 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
647 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
648 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
649 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
650 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
651 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
652 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
653 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
654 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
655 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
656 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
657 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
658 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
659 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
660 | ||
3393df5c | 661 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 662 | |
663 | return logbuf; | |
630c97ce | 664 | #undef IFF_OUT_LOG |
718e3744 | 665 | } |
666 | ||
667 | /* For debugging */ | |
d62a17ae | 668 | static void if_dump(const struct interface *ifp) |
718e3744 | 669 | { |
d62a17ae | 670 | struct listnode *node; |
671 | struct connected *c __attribute__((unused)); | |
672 | ||
673 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
674 | zlog_info( | |
675 | "Interface %s vrf %u index %d metric %d mtu %d " | |
676 | "mtu6 %d %s", | |
a36898e7 | 677 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, |
d62a17ae | 678 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); |
718e3744 | 679 | } |
680 | ||
681 | /* Interface printing for all interface. */ | |
d62a17ae | 682 | void if_dump_all(void) |
718e3744 | 683 | { |
d62a17ae | 684 | struct vrf *vrf; |
f4e14fdb | 685 | void *ifp; |
d62a17ae | 686 | |
a2addae8 | 687 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 688 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 689 | if_dump(ifp); |
718e3744 | 690 | } |
691 | ||
98954844 PJ |
692 | #ifdef SUNOS_5 |
693 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
694 | * a seperate struct interface for each logical interface, so config | |
695 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
696 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
697 | * interfaces can be fruitless, for that reason Quagga only tracks | |
698 | * the primary IP interface. | |
699 | * | |
700 | * We try accomodate SUNWzebra by: | |
701 | * - looking up the interface name, to see whether it exists, if so | |
702 | * its useable | |
703 | * - for protocol daemons, this could only because zebra told us of | |
704 | * the interface | |
705 | * - for zebra, only because it learnt from kernel | |
706 | * - if not: | |
707 | * - search the name to see if it contains a sub-ipif / logical interface | |
708 | * seperator, the ':' char. If it does: | |
709 | * - text up to that char must be the primary name - get that name. | |
710 | * if not: | |
711 | * - no idea, just get the name in its entirety. | |
712 | */ | |
a36898e7 | 713 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 714 | { |
d62a17ae | 715 | struct interface *ifp; |
bcc24579 | 716 | char *cp; |
d62a17ae | 717 | |
a36898e7 | 718 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 719 | return ifp; |
720 | ||
721 | /* hunt the primary interface name... */ | |
bcc24579 RW |
722 | cp = strchr(name, ':'); |
723 | if (cp) | |
724 | *cp = '\0'; | |
d62a17ae | 725 | |
a36898e7 | 726 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
727 | } |
728 | #endif /* SUNOS_5 */ | |
6b0655a2 | 729 | |
d7d73ffc | 730 | #if 0 |
718e3744 | 731 | /* For debug purpose. */ |
732 | DEFUN (show_address, | |
733 | show_address_cmd, | |
199d90a1 | 734 | "show address [vrf NAME]", |
718e3744 | 735 | SHOW_STR |
fcbee690 QY |
736 | "address\n" |
737 | VRF_CMD_HELP_STR) | |
718e3744 | 738 | { |
abddf075 | 739 | int idx_vrf = 3; |
52dc7ee6 | 740 | struct listnode *node; |
718e3744 | 741 | struct interface *ifp; |
742 | struct connected *ifc; | |
743 | struct prefix *p; | |
8736158a | 744 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 745 | |
fcbee690 | 746 | if (argc > 2) |
58749582 | 747 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 748 | |
451fda4f | 749 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 750 | { |
f4e14fdb | 751 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 752 | { |
718e3744 | 753 | p = ifc->address; |
754 | ||
755 | if (p->family == AF_INET) | |
55f70b67 | 756 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 757 | } |
758 | } | |
759 | return CMD_SUCCESS; | |
760 | } | |
761 | ||
8736158a FL |
762 | DEFUN (show_address_vrf_all, |
763 | show_address_vrf_all_cmd, | |
9ccf14f7 | 764 | "show address vrf all", |
8736158a FL |
765 | SHOW_STR |
766 | "address\n" | |
767 | VRF_ALL_CMD_HELP_STR) | |
768 | { | |
1a1a7065 | 769 | struct vrf *vrf; |
8736158a | 770 | struct listnode *node; |
8736158a FL |
771 | struct interface *ifp; |
772 | struct connected *ifc; | |
773 | struct prefix *p; | |
8736158a | 774 | |
a62c4901 | 775 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 776 | { |
f4e14fdb | 777 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
778 | continue; |
779 | ||
55f70b67 | 780 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 781 | |
451fda4f | 782 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 783 | { |
f4e14fdb | 784 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
785 | { |
786 | p = ifc->address; | |
787 | ||
788 | if (p->family == AF_INET) | |
55f70b67 | 789 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
790 | } |
791 | } | |
792 | } | |
793 | return CMD_SUCCESS; | |
794 | } | |
d7d73ffc | 795 | #endif |
8736158a | 796 | |
718e3744 | 797 | /* Allocate connected structure. */ |
d62a17ae | 798 | struct connected *connected_new(void) |
718e3744 | 799 | { |
d62a17ae | 800 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 801 | } |
802 | ||
a80beece | 803 | /* Allocate nbr connected structure. */ |
d62a17ae | 804 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 805 | { |
d62a17ae | 806 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
807 | } |
808 | ||
718e3744 | 809 | /* Free connected structure. */ |
d62a17ae | 810 | void connected_free(struct connected *connected) |
718e3744 | 811 | { |
d62a17ae | 812 | if (connected->address) |
813 | prefix_free(connected->address); | |
718e3744 | 814 | |
d62a17ae | 815 | if (connected->destination) |
816 | prefix_free(connected->destination); | |
718e3744 | 817 | |
0a22ddfb | 818 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 819 | |
d62a17ae | 820 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 821 | } |
822 | ||
a80beece | 823 | /* Free nbr connected structure. */ |
d62a17ae | 824 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 825 | { |
d62a17ae | 826 | if (connected->address) |
827 | prefix_free(connected->address); | |
a80beece | 828 | |
d62a17ae | 829 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
830 | } |
831 | ||
832 | /* If same interface nbr address already exists... */ | |
d62a17ae | 833 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
834 | struct prefix *p) | |
a80beece | 835 | { |
d62a17ae | 836 | struct nbr_connected *ifc; |
837 | struct listnode *node; | |
a80beece | 838 | |
d62a17ae | 839 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
840 | if (prefix_same(ifc->address, p)) | |
841 | return ifc; | |
a80beece | 842 | |
d62a17ae | 843 | return NULL; |
a80beece DS |
844 | } |
845 | ||
718e3744 | 846 | /* Print if_addr structure. */ |
d62a17ae | 847 | static void __attribute__((unused)) |
848 | connected_log(struct connected *connected, char *str) | |
718e3744 | 849 | { |
d62a17ae | 850 | struct prefix *p; |
851 | struct interface *ifp; | |
852 | char logbuf[BUFSIZ]; | |
853 | char buf[BUFSIZ]; | |
854 | ||
855 | ifp = connected->ifp; | |
856 | p = connected->address; | |
857 | ||
858 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
a36898e7 | 859 | ifp->name, ifp->vrf_id, prefix_family_str(p), |
d62a17ae | 860 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
861 | ||
862 | p = connected->destination; | |
863 | if (p) { | |
864 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
865 | BUFSIZ - strlen(logbuf)); | |
866 | } | |
867 | zlog_info("%s", logbuf); | |
718e3744 | 868 | } |
869 | ||
a80beece | 870 | /* Print if_addr structure. */ |
d62a17ae | 871 | static void __attribute__((unused)) |
872 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 873 | { |
d62a17ae | 874 | struct prefix *p; |
875 | struct interface *ifp; | |
876 | char logbuf[BUFSIZ]; | |
877 | char buf[BUFSIZ]; | |
a80beece | 878 | |
d62a17ae | 879 | ifp = connected->ifp; |
880 | p = connected->address; | |
a80beece | 881 | |
d62a17ae | 882 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
883 | prefix_family_str(p), | |
884 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 885 | |
d62a17ae | 886 | zlog_info("%s", logbuf); |
a80beece DS |
887 | } |
888 | ||
718e3744 | 889 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 890 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 891 | { |
d62a17ae | 892 | if (p1->family == p2->family) { |
893 | if (p1->family == AF_INET | |
894 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
895 | return 1; | |
896 | if (p1->family == AF_INET6 | |
897 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
898 | return 1; | |
899 | } | |
900 | return 0; | |
718e3744 | 901 | } |
902 | ||
d62a17ae | 903 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
904 | struct prefix *p) | |
38485402 | 905 | { |
d62a17ae | 906 | struct listnode *node; |
907 | struct listnode *next; | |
908 | struct connected *ifc; | |
38485402 | 909 | |
d62a17ae | 910 | for (node = listhead(ifp->connected); node; node = next) { |
911 | ifc = listgetdata(node); | |
912 | next = node->next; | |
38485402 | 913 | |
d62a17ae | 914 | if (connected_same_prefix(ifc->address, p)) |
915 | return ifc; | |
916 | } | |
917 | return NULL; | |
38485402 DS |
918 | } |
919 | ||
d62a17ae | 920 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
921 | struct prefix *p) | |
718e3744 | 922 | { |
d62a17ae | 923 | struct listnode *node; |
924 | struct listnode *next; | |
925 | struct connected *ifc; | |
926 | ||
927 | /* In case of same prefix come, replace it with new one. */ | |
928 | for (node = listhead(ifp->connected); node; node = next) { | |
929 | ifc = listgetdata(node); | |
930 | next = node->next; | |
931 | ||
932 | if (connected_same_prefix(ifc->address, p)) { | |
933 | listnode_delete(ifp->connected, ifc); | |
934 | return ifc; | |
935 | } | |
718e3744 | 936 | } |
d62a17ae | 937 | return NULL; |
718e3744 | 938 | } |
939 | ||
bd40c341 | 940 | /* Find the address on our side that will be used when packets |
727d104b | 941 | are sent to dst. */ |
d62a17ae | 942 | struct connected *connected_lookup_prefix(struct interface *ifp, |
943 | struct prefix *addr) | |
727d104b | 944 | { |
d62a17ae | 945 | struct listnode *cnode; |
946 | struct connected *c; | |
947 | struct connected *match; | |
948 | ||
949 | match = NULL; | |
950 | ||
951 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
952 | if (c->address && (c->address->family == addr->family) | |
953 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
954 | && (!match | |
955 | || (c->address->prefixlen > match->address->prefixlen))) | |
956 | match = c; | |
957 | } | |
958 | return match; | |
727d104b | 959 | } |
960 | ||
d62a17ae | 961 | struct connected *connected_add_by_prefix(struct interface *ifp, |
962 | struct prefix *p, | |
963 | struct prefix *destination) | |
4a7aac1b | 964 | { |
d62a17ae | 965 | struct connected *ifc; |
4a7aac1b | 966 | |
d62a17ae | 967 | /* Allocate new connected address. */ |
968 | ifc = connected_new(); | |
969 | ifc->ifp = ifp; | |
4a7aac1b | 970 | |
d62a17ae | 971 | /* Fetch interface address */ |
972 | ifc->address = prefix_new(); | |
973 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 974 | |
d62a17ae | 975 | /* Fetch dest address */ |
976 | if (destination) { | |
977 | ifc->destination = prefix_new(); | |
978 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
979 | } | |
4a7aac1b | 980 | |
d62a17ae | 981 | /* Add connected address to the interface. */ |
982 | listnode_add(ifp->connected, ifc); | |
983 | return ifc; | |
4a7aac1b | 984 | } |
985 | ||
667179ca QY |
986 | struct connected *connected_get_linklocal(struct interface *ifp) |
987 | { | |
988 | struct listnode *n; | |
989 | struct connected *c = NULL; | |
990 | ||
991 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
992 | if (c->address->family == AF_INET6 | |
993 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
994 | break; | |
995 | } | |
996 | return c; | |
997 | } | |
998 | ||
d62a17ae | 999 | #if 0 /* this route_table of struct connected's is unused \ |
1000 | * however, it would be good to use a route_table rather than \ | |
1001 | * a list.. \ | |
1002 | */ | |
718e3744 | 1003 | /* Interface looking up by interface's address. */ |
718e3744 | 1004 | /* Interface's IPv4 address reverse lookup table. */ |
1005 | struct route_table *ifaddr_ipv4_table; | |
1006 | /* struct route_table *ifaddr_ipv6_table; */ | |
1007 | ||
8cc4198f | 1008 | static void |
718e3744 | 1009 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1010 | { | |
1011 | struct route_node *rn; | |
1012 | struct prefix_ipv4 p; | |
1013 | ||
1014 | p.family = AF_INET; | |
1015 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1016 | p.prefix = *ifaddr; | |
1017 | ||
1018 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1019 | if (rn) | |
1020 | { | |
1021 | route_unlock_node (rn); | |
1022 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1023 | inet_ntoa (*ifaddr)); | |
1024 | return; | |
1025 | } | |
1026 | rn->info = ifp; | |
1027 | } | |
1028 | ||
8cc4198f | 1029 | static void |
718e3744 | 1030 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1031 | { | |
1032 | struct route_node *rn; | |
1033 | struct prefix_ipv4 p; | |
1034 | ||
1035 | p.family = AF_INET; | |
1036 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1037 | p.prefix = *ifaddr; | |
1038 | ||
1039 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1040 | if (! rn) | |
1041 | { | |
1042 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1043 | inet_ntoa (*ifaddr)); | |
1044 | return; | |
1045 | } | |
1046 | rn->info = NULL; | |
1047 | route_unlock_node (rn); | |
1048 | route_unlock_node (rn); | |
1049 | } | |
1050 | ||
1051 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1052 | static struct interface * |
b892f1dd | 1053 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1054 | { |
1055 | struct prefix_ipv4 p; | |
1056 | struct route_node *rn; | |
1057 | struct interface *ifp; | |
718e3744 | 1058 | |
1059 | if (addr) | |
1060 | { | |
1061 | p.family = AF_INET; | |
1062 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1063 | p.prefix = *addr; | |
1064 | ||
1065 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1066 | if (! rn) | |
1067 | return NULL; | |
55cd0f61 | 1068 | |
718e3744 | 1069 | ifp = rn->info; |
1070 | route_unlock_node (rn); | |
1071 | return ifp; | |
1072 | } | |
1073 | else | |
7e2b7603 | 1074 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1075 | } |
8cc4198f | 1076 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1077 | |
f4e14fdb | 1078 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1079 | { |
f4e14fdb | 1080 | struct interface *ifp; |
4bd045d5 | 1081 | |
55cd0f61 DS |
1082 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1083 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1084 | ||
d62a17ae | 1085 | if (ifp->node) { |
1086 | ifp->node->info = NULL; | |
1087 | route_unlock_node(ifp->node); | |
1088 | } | |
d62a17ae | 1089 | if_delete(ifp); |
1090 | } | |
4bd045d5 | 1091 | } |
8ccc7e80 | 1092 | |
d62a17ae | 1093 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1094 | { |
d62a17ae | 1095 | switch (llt) { |
8ccc7e80 | 1096 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1097 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1098 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1099 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1100 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1101 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1102 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1103 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1104 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1105 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1106 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1107 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1108 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1109 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1110 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1111 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1112 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1113 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1114 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1115 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1116 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1117 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1118 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1119 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1120 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1121 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1122 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1123 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1124 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1125 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1126 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1127 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1128 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1129 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1130 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1131 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1132 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1133 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1134 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1135 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1136 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1137 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1138 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1139 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1140 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1141 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1142 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1143 | default: | |
450971aa | 1144 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1145 | return "Unknown type!"; |
8ccc7e80 | 1146 | #undef llts |
d62a17ae | 1147 | } |
1148 | return NULL; | |
8ccc7e80 | 1149 | } |
16f1b9ee | 1150 | |
d62a17ae | 1151 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1152 | { |
d62a17ae | 1153 | int i; |
16f1b9ee | 1154 | |
d62a17ae | 1155 | if (ifp->link_params != NULL) |
1156 | return ifp->link_params; | |
16f1b9ee | 1157 | |
d62a17ae | 1158 | struct if_link_params *iflp = |
1159 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1160 | if (iflp == NULL) | |
1161 | return NULL; | |
16f1b9ee | 1162 | |
d62a17ae | 1163 | /* Set TE metric equal to standard metric */ |
1164 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1165 | |
d62a17ae | 1166 | /* Compute default bandwidth based on interface */ |
1167 | iflp->default_bw = | |
1168 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1169 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1170 | |
d62a17ae | 1171 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1172 | iflp->max_bw = iflp->default_bw; | |
1173 | iflp->max_rsv_bw = iflp->default_bw; | |
1174 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1175 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1176 | |
d62a17ae | 1177 | /* Update Link parameters status */ |
1178 | iflp->lp_status = | |
1179 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1180 | |
d62a17ae | 1181 | /* Finally attach newly created Link Parameters */ |
1182 | ifp->link_params = iflp; | |
16f1b9ee | 1183 | |
d62a17ae | 1184 | return iflp; |
16f1b9ee OD |
1185 | } |
1186 | ||
d62a17ae | 1187 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1188 | { |
d62a17ae | 1189 | if (ifp->link_params == NULL) |
1190 | return; | |
1191 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1192 | ifp->link_params = NULL; | |
16f1b9ee | 1193 | } |
a4bed468 | 1194 | |
8f90d89b RW |
1195 | /* ----------- CLI commands ----------- */ |
1196 | ||
1197 | /* | |
1198 | * XPath: /frr-interface:lib/interface | |
1199 | */ | |
1200 | DEFPY_NOSH (interface, | |
1201 | interface_cmd, | |
1202 | "interface IFNAME [vrf NAME$vrfname]", | |
1203 | "Select an interface to configure\n" | |
1204 | "Interface's name\n" | |
1205 | VRF_CMD_HELP_STR) | |
1206 | { | |
1207 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1208 | vrf_id_t vrf_id; |
1209 | struct interface *ifp; | |
8f90d89b RW |
1210 | int ret; |
1211 | ||
1212 | if (!vrfname) | |
1213 | vrfname = VRF_DEFAULT_NAME; | |
1214 | ||
1215 | /* | |
1216 | * This command requires special handling to maintain backward | |
1217 | * compatibility. If a VRF name is not specified, it means we're willing | |
1218 | * to accept any interface with the given name on any VRF. If no | |
1219 | * interface is found, then a new one should be created on the default | |
1220 | * VRF. | |
1221 | */ | |
a36898e7 DS |
1222 | VRF_GET_ID(vrf_id, vrfname, false); |
1223 | ifp = if_lookup_by_name_all_vrf(ifname); | |
1224 | if (ifp && ifp->vrf_id != vrf_id) { | |
1225 | struct vrf *vrf; | |
1226 | ||
8f90d89b RW |
1227 | /* |
1228 | * Special case 1: a VRF name was specified, but the found | |
1229 | * interface is associated to different VRF. Reject the command. | |
1230 | */ | |
a36898e7 | 1231 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b RW |
1232 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
1233 | vrfname); | |
1234 | return CMD_WARNING_CONFIG_FAILED; | |
1235 | } | |
1236 | ||
1237 | /* | |
1238 | * Special case 2: a VRF name was *not* specified, and the found | |
1239 | * interface is associated to a VRF other than the default one. | |
1240 | * Update vrf_id and vrfname to account for that. | |
1241 | */ | |
a36898e7 | 1242 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1243 | assert(vrf); |
a36898e7 | 1244 | vrf_id = ifp->vrf_id; |
8f90d89b RW |
1245 | vrfname = vrf->name; |
1246 | } | |
1247 | ||
1248 | snprintf(xpath_list, sizeof(xpath_list), | |
1249 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
1250 | vrfname); | |
1251 | ||
a6233bfc RW |
1252 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1253 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1254 | if (ret == CMD_SUCCESS) { |
1255 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1256 | ||
1257 | /* | |
1258 | * For backward compatibility with old commands we still need | |
1259 | * to use the qobj infrastructure. This can be removed once | |
1260 | * all interface-level commands are converted to the new | |
1261 | * northbound model. | |
1262 | */ | |
a36898e7 | 1263 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1264 | if (ifp) |
1265 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1266 | } | |
1267 | ||
1268 | return ret; | |
1269 | } | |
1270 | ||
1271 | DEFPY (no_interface, | |
1272 | no_interface_cmd, | |
1273 | "no interface IFNAME [vrf NAME$vrfname]", | |
1274 | NO_STR | |
1275 | "Delete a pseudo interface's configuration\n" | |
1276 | "Interface's name\n" | |
1277 | VRF_CMD_HELP_STR) | |
1278 | { | |
8f90d89b RW |
1279 | if (!vrfname) |
1280 | vrfname = VRF_DEFAULT_NAME; | |
1281 | ||
95ce849b | 1282 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1283 | |
a6233bfc RW |
1284 | return nb_cli_apply_changes( |
1285 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
1286 | ifname, vrfname); | |
8f90d89b RW |
1287 | } |
1288 | ||
1289 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1290 | bool show_defaults) | |
1291 | { | |
1292 | const char *vrf; | |
1293 | ||
1294 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1295 | ||
1296 | vty_out(vty, "!\n"); | |
1297 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1298 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1299 | vty_out(vty, " vrf %s", vrf); | |
1300 | vty_out(vty, "\n"); | |
1301 | } | |
1302 | ||
1303 | /* | |
1304 | * XPath: /frr-interface:lib/interface/description | |
1305 | */ | |
1306 | DEFPY (interface_desc, | |
1307 | interface_desc_cmd, | |
1308 | "description LINE...", | |
1309 | "Interface specific description\n" | |
1310 | "Characters describing this interface\n") | |
1311 | { | |
8f90d89b RW |
1312 | char *desc; |
1313 | int ret; | |
1314 | ||
1315 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1316 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1317 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1318 | XFREE(MTYPE_TMP, desc); |
1319 | ||
1320 | return ret; | |
1321 | } | |
1322 | ||
1323 | DEFPY (no_interface_desc, | |
1324 | no_interface_desc_cmd, | |
1325 | "no description", | |
1326 | NO_STR | |
1327 | "Interface specific description\n") | |
1328 | { | |
95ce849b | 1329 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1330 | |
1331 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1332 | } |
1333 | ||
1334 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1335 | bool show_defaults) | |
1336 | { | |
1337 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1338 | } | |
1339 | ||
1340 | /* Interface autocomplete. */ | |
1341 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1342 | { | |
1343 | struct interface *ifp; | |
1344 | struct vrf *vrf; | |
1345 | ||
1346 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1347 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1348 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1349 | } | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1354 | {/* "interface NAME" */ | |
1355 | .varname = "interface", | |
1356 | .completions = if_autocomplete}, | |
1357 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1358 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1359 | {.completions = NULL}}; | |
1360 | ||
1361 | void if_cmd_init(void) | |
1362 | { | |
1363 | cmd_variable_handler_register(if_var_handlers); | |
1364 | ||
1365 | install_element(CONFIG_NODE, &interface_cmd); | |
1366 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1367 | ||
1368 | install_default(INTERFACE_NODE); | |
1369 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1370 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1371 | } | |
1372 | ||
a4bed468 RW |
1373 | /* ------- Northbound callbacks ------- */ |
1374 | ||
1375 | /* | |
1376 | * XPath: /frr-interface:lib/interface | |
1377 | */ | |
1378 | static int lib_interface_create(enum nb_event event, | |
1379 | const struct lyd_node *dnode, | |
1380 | union nb_resource *resource) | |
1381 | { | |
8f90d89b RW |
1382 | const char *ifname; |
1383 | const char *vrfname; | |
1384 | struct vrf *vrf; | |
a36898e7 | 1385 | struct interface *ifp; |
8f90d89b RW |
1386 | |
1387 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1388 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1389 | ||
1390 | switch (event) { | |
1391 | case NB_EV_VALIDATE: | |
1392 | vrf = vrf_lookup_by_name(vrfname); | |
1393 | if (!vrf) { | |
1394 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1395 | vrfname); | |
1396 | return NB_ERR_VALIDATION; | |
1397 | } | |
a36898e7 DS |
1398 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1399 | zlog_warn("%s: VRF %s is not active", __func__, | |
1400 | vrf->name); | |
1401 | return NB_ERR_VALIDATION; | |
1402 | } | |
72261ecd | 1403 | |
b0b97a7f PG |
1404 | /* if VRF is netns or not yet known - init for instance |
1405 | * then assumption is that passed config is exact | |
1406 | * then the user intent was not to use an other iface | |
1407 | */ | |
8f90d89b RW |
1408 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1409 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1410 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1411 | zlog_warn( |
1412 | "%s: interface %s already exists in another VRF", | |
1413 | __func__, ifp->name); | |
1414 | return NB_ERR_VALIDATION; | |
1415 | } | |
1416 | } | |
1417 | break; | |
1418 | case NB_EV_PREPARE: | |
1419 | case NB_EV_ABORT: | |
1420 | break; | |
1421 | case NB_EV_APPLY: | |
1422 | vrf = vrf_lookup_by_name(vrfname); | |
1423 | assert(vrf); | |
1424 | #ifdef SUNOS_5 | |
a36898e7 | 1425 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1426 | #else |
a36898e7 | 1427 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1428 | #endif /* SUNOS_5 */ |
ccd43ada | 1429 | nb_running_set_entry(dnode, ifp); |
8f90d89b RW |
1430 | break; |
1431 | } | |
1432 | ||
a4bed468 RW |
1433 | return NB_OK; |
1434 | } | |
1435 | ||
6a3fdeec RW |
1436 | static int lib_interface_destroy(enum nb_event event, |
1437 | const struct lyd_node *dnode) | |
a4bed468 | 1438 | { |
8f90d89b RW |
1439 | struct interface *ifp; |
1440 | ||
8f90d89b RW |
1441 | |
1442 | switch (event) { | |
1443 | case NB_EV_VALIDATE: | |
ccd43ada | 1444 | ifp = nb_running_get_entry(dnode, NULL, true); |
8f90d89b RW |
1445 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
1446 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1447 | __func__); | |
1448 | return NB_ERR_VALIDATION; | |
1449 | } | |
1450 | break; | |
1451 | case NB_EV_PREPARE: | |
1452 | case NB_EV_ABORT: | |
1453 | break; | |
1454 | case NB_EV_APPLY: | |
ccd43ada | 1455 | ifp = nb_running_unset_entry(dnode); |
8f90d89b RW |
1456 | if_delete(ifp); |
1457 | break; | |
1458 | } | |
1459 | ||
a4bed468 RW |
1460 | return NB_OK; |
1461 | } | |
1462 | ||
1463 | /* | |
1464 | * XPath: /frr-interface:lib/interface/description | |
1465 | */ | |
1466 | static int lib_interface_description_modify(enum nb_event event, | |
1467 | const struct lyd_node *dnode, | |
1468 | union nb_resource *resource) | |
1469 | { | |
8f90d89b RW |
1470 | struct interface *ifp; |
1471 | const char *description; | |
1472 | ||
1473 | if (event != NB_EV_APPLY) | |
1474 | return NB_OK; | |
1475 | ||
ccd43ada | 1476 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1477 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1478 | description = yang_dnode_get_string(dnode, NULL); |
1479 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1480 | ||
a4bed468 RW |
1481 | return NB_OK; |
1482 | } | |
1483 | ||
6a3fdeec RW |
1484 | static int lib_interface_description_destroy(enum nb_event event, |
1485 | const struct lyd_node *dnode) | |
a4bed468 | 1486 | { |
8f90d89b RW |
1487 | struct interface *ifp; |
1488 | ||
1489 | if (event != NB_EV_APPLY) | |
1490 | return NB_OK; | |
1491 | ||
ccd43ada | 1492 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1493 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1494 | |
a4bed468 RW |
1495 | return NB_OK; |
1496 | } | |
1497 | ||
1498 | /* clang-format off */ | |
1499 | const struct frr_yang_module_info frr_interface_info = { | |
1500 | .name = "frr-interface", | |
1501 | .nodes = { | |
1502 | { | |
1503 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1504 | .cbs = { |
1505 | .create = lib_interface_create, | |
1506 | .destroy = lib_interface_destroy, | |
1507 | .cli_show = cli_show_interface, | |
1508 | }, | |
a4bed468 RW |
1509 | }, |
1510 | { | |
1511 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1512 | .cbs = { |
1513 | .modify = lib_interface_description_modify, | |
1514 | .destroy = lib_interface_description_destroy, | |
1515 | .cli_show = cli_show_interface_desc, | |
1516 | }, | |
a4bed468 RW |
1517 | }, |
1518 | { | |
1519 | .xpath = NULL, | |
1520 | }, | |
1521 | } | |
1522 | }; |