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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 | |
1b3e9a21 | 61 | static struct interface_master{ |
138c5a74 DS |
62 | int (*create_hook)(struct interface *ifp); |
63 | int (*up_hook)(struct interface *ifp); | |
64 | int (*down_hook)(struct interface *ifp); | |
65 | int (*destroy_hook)(struct interface *ifp); | |
66 | } ifp_master = { 0, }; | |
67 | ||
3a0391a9 | 68 | /* Compare interface names, returning an integer greater than, equal to, or |
69 | * less than 0, (following the strcmp convention), according to the | |
70 | * relationship between ifp1 and ifp2. Interface names consist of an | |
71 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
72 | * lexicographic by name, and then numeric by number. No number sorts | |
73 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
74 | * devpty0, de0 < del0 | |
d62a17ae | 75 | */ |
36de6e0e | 76 | int if_cmp_name_func(const char *p1, const char *p2) |
106d2fd5 | 77 | { |
d62a17ae | 78 | unsigned int l1, l2; |
79 | long int x1, x2; | |
80 | int res; | |
81 | ||
82 | while (*p1 && *p2) { | |
83 | /* look up to any number */ | |
84 | l1 = strcspn(p1, "0123456789"); | |
85 | l2 = strcspn(p2, "0123456789"); | |
86 | ||
87 | /* name lengths are different -> compare names */ | |
88 | if (l1 != l2) | |
89 | return (strcmp(p1, p2)); | |
90 | ||
91 | /* Note that this relies on all numbers being less than all | |
92 | * letters, so | |
93 | * that de0 < del0. | |
94 | */ | |
95 | res = strncmp(p1, p2, l1); | |
96 | ||
97 | /* names are different -> compare them */ | |
98 | if (res) | |
99 | return res; | |
100 | ||
101 | /* with identical name part, go to numeric part */ | |
102 | p1 += l1; | |
103 | p2 += l1; | |
104 | ||
c9cbbb40 RW |
105 | if (!*p1 && !*p2) |
106 | return 0; | |
d62a17ae | 107 | if (!*p1) |
108 | return -1; | |
109 | if (!*p2) | |
110 | return 1; | |
111 | ||
36de6e0e A |
112 | x1 = strtol(p1, (char **)&p1, 10); |
113 | x2 = strtol(p2, (char **)&p2, 10); | |
d62a17ae | 114 | |
115 | /* let's compare numbers now */ | |
116 | if (x1 < x2) | |
117 | return -1; | |
118 | if (x1 > x2) | |
119 | return 1; | |
120 | ||
121 | /* numbers were equal, lets do it again.. | |
122 | (it happens with name like "eth123.456:789") */ | |
123 | } | |
124 | if (*p1) | |
125 | return 1; | |
126 | if (*p2) | |
127 | return -1; | |
128 | return 0; | |
106d2fd5 | 129 | } |
130 | ||
f4e14fdb RW |
131 | static int if_cmp_func(const struct interface *ifp1, |
132 | const struct interface *ifp2) | |
974fc9d2 | 133 | { |
36de6e0e | 134 | return if_cmp_name_func(ifp1->name, ifp2->name); |
974fc9d2 DS |
135 | } |
136 | ||
ff880b78 RW |
137 | static int if_cmp_index_func(const struct interface *ifp1, |
138 | const struct interface *ifp2) | |
139 | { | |
e33d7b6a QY |
140 | if (ifp1->ifindex == ifp2->ifindex) |
141 | return 0; | |
142 | else if (ifp1->ifindex > ifp2->ifindex) | |
143 | return 1; | |
144 | else | |
145 | return -1; | |
ff880b78 RW |
146 | } |
147 | ||
721c0857 DS |
148 | static void ifp_connected_free(void *arg) |
149 | { | |
150 | struct connected *c = arg; | |
151 | ||
152 | connected_free(&c); | |
153 | } | |
154 | ||
718e3744 | 155 | /* Create new interface structure. */ |
d5c65bf1 | 156 | static struct interface *if_new(vrf_id_t vrf_id) |
718e3744 | 157 | { |
d62a17ae | 158 | struct interface *ifp; |
d62a17ae | 159 | |
160 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
ea7ec261 | 161 | |
d5c65bf1 SW |
162 | ifp->ifindex = IFINDEX_INTERNAL; |
163 | ifp->name[0] = '\0'; | |
ea7ec261 | 164 | |
d5c65bf1 | 165 | ifp->vrf_id = vrf_id; |
ea7ec261 | 166 | |
d62a17ae | 167 | ifp->connected = list_new(); |
721c0857 | 168 | ifp->connected->del = ifp_connected_free; |
d62a17ae | 169 | |
170 | ifp->nbr_connected = list_new(); | |
171 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
172 | ||
173 | /* Enable Link-detection by default */ | |
174 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
175 | ||
176 | QOBJ_REG(ifp, interface); | |
d62a17ae | 177 | return ifp; |
718e3744 | 178 | } |
179 | ||
ef7bd2a3 DS |
180 | void if_new_via_zapi(struct interface *ifp) |
181 | { | |
182 | if (ifp_master.create_hook) | |
183 | (*ifp_master.create_hook)(ifp); | |
184 | } | |
185 | ||
3c3c3252 DS |
186 | void if_destroy_via_zapi(struct interface *ifp) |
187 | { | |
188 | if (ifp_master.destroy_hook) | |
189 | (*ifp_master.destroy_hook)(ifp); | |
190 | ||
191 | if_set_index(ifp, IFINDEX_INTERNAL); | |
26f8f6fe | 192 | if (!ifp->configured) |
f609709a | 193 | if_delete(&ifp); |
3c3c3252 DS |
194 | } |
195 | ||
ddbf3e60 DS |
196 | void if_up_via_zapi(struct interface *ifp) |
197 | { | |
198 | if (ifp_master.up_hook) | |
199 | (*ifp_master.up_hook)(ifp); | |
200 | } | |
201 | ||
b0b69e59 DS |
202 | void if_down_via_zapi(struct interface *ifp) |
203 | { | |
204 | if (ifp_master.down_hook) | |
205 | (*ifp_master.down_hook)(ifp); | |
206 | } | |
207 | ||
d5c65bf1 | 208 | struct interface *if_create_name(const char *name, vrf_id_t vrf_id) |
ea7ec261 | 209 | { |
d5c65bf1 SW |
210 | struct interface *ifp; |
211 | ||
212 | ifp = if_new(vrf_id); | |
213 | ||
214 | if_set_name(ifp, name); | |
215 | ||
216 | hook_call(if_add, ifp); | |
217 | return ifp; | |
ea7ec261 DD |
218 | } |
219 | ||
220 | struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) | |
221 | { | |
d5c65bf1 SW |
222 | struct interface *ifp; |
223 | ||
224 | ifp = if_new(vrf_id); | |
225 | ||
226 | if_set_index(ifp, ifindex); | |
227 | ||
228 | hook_call(if_add, ifp); | |
229 | return ifp; | |
ea7ec261 DD |
230 | } |
231 | ||
a36898e7 DS |
232 | /* Create new interface structure. */ |
233 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) | |
f93e3f69 | 234 | { |
a36898e7 | 235 | struct vrf *old_vrf, *vrf; |
d62a17ae | 236 | |
237 | /* remove interface from old master vrf list */ | |
a36898e7 | 238 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 239 | if (old_vrf) { |
9685b1e4 SW |
240 | if (ifp->name[0] != '\0') |
241 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
242 | ||
ff880b78 | 243 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 244 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 245 | } |
d62a17ae | 246 | |
a36898e7 DS |
247 | ifp->vrf_id = vrf_id; |
248 | vrf = vrf_get(ifp->vrf_id, NULL); | |
ff880b78 | 249 | |
9685b1e4 SW |
250 | if (ifp->name[0] != '\0') |
251 | IFNAME_RB_INSERT(vrf, ifp); | |
252 | ||
ff880b78 RW |
253 | if (ifp->ifindex != IFINDEX_INTERNAL) |
254 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
255 | |
256 | /* | |
257 | * HACK: Change the interface VRF in the running configuration directly, | |
258 | * bypassing the northbound layer. This is necessary to avoid deleting | |
259 | * the interface and readding it in the new VRF, which would have | |
260 | * several implications. | |
261 | */ | |
262 | if (yang_module_find("frr-interface")) { | |
263 | struct lyd_node *if_dnode; | |
264 | ||
8685be73 RW |
265 | if_dnode = yang_dnode_get( |
266 | running_config->dnode, | |
267 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
268 | ifp->name, old_vrf->name); | |
269 | if (if_dnode) { | |
ced28861 | 270 | nb_running_unset_entry(if_dnode->parent); |
8685be73 | 271 | yang_dnode_change_leaf(if_dnode, vrf->name); |
ced28861 | 272 | nb_running_set_entry(if_dnode->parent, ifp); |
8685be73 | 273 | running_config->version++; |
8f90d89b RW |
274 | } |
275 | } | |
f93e3f69 DS |
276 | } |
277 | ||
8685be73 | 278 | |
d2fc8896 | 279 | /* Delete interface structure. */ |
d62a17ae | 280 | void if_delete_retain(struct interface *ifp) |
718e3744 | 281 | { |
996c9314 | 282 | hook_call(if_del, ifp); |
d62a17ae | 283 | QOBJ_UNREG(ifp); |
e80e7cce | 284 | |
d62a17ae | 285 | /* Free connected address list */ |
286 | list_delete_all_node(ifp->connected); | |
a80beece | 287 | |
d62a17ae | 288 | /* Free connected nbr address list */ |
289 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 290 | } |
291 | ||
292 | /* Delete and free interface structure. */ | |
f609709a | 293 | void if_delete(struct interface **ifp) |
d2fc8896 | 294 | { |
f609709a | 295 | struct interface *ptr = *ifp; |
a36898e7 | 296 | struct vrf *vrf; |
5b8524f5 | 297 | |
f609709a | 298 | vrf = vrf_lookup_by_id(ptr->vrf_id); |
5b8524f5 | 299 | assert(vrf); |
f4e14fdb | 300 | |
f609709a DS |
301 | IFNAME_RB_REMOVE(vrf, ptr); |
302 | if (ptr->ifindex != IFINDEX_INTERNAL) | |
303 | IFINDEX_RB_REMOVE(vrf, ptr); | |
d2fc8896 | 304 | |
f609709a | 305 | if_delete_retain(ptr); |
718e3744 | 306 | |
f609709a DS |
307 | list_delete(&ptr->connected); |
308 | list_delete(&ptr->nbr_connected); | |
2dd04c5d | 309 | |
f609709a | 310 | if_link_params_free(ptr); |
16f1b9ee | 311 | |
f609709a | 312 | XFREE(MTYPE_TMP, ptr->desc); |
c7974c0f | 313 | |
f609709a DS |
314 | XFREE(MTYPE_IF, ptr); |
315 | *ifp = NULL; | |
718e3744 | 316 | } |
317 | ||
47b474b5 DD |
318 | /* Used only internally to check within VRF only */ |
319 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, | |
320 | vrf_id_t vrf_id) | |
718e3744 | 321 | { |
5b8524f5 | 322 | struct vrf *vrf; |
ff880b78 | 323 | struct interface if_tmp; |
f4e14fdb | 324 | |
5b8524f5 RW |
325 | vrf = vrf_lookup_by_id(vrf_id); |
326 | if (!vrf) | |
327 | return NULL; | |
328 | ||
ff880b78 RW |
329 | if_tmp.ifindex = ifindex; |
330 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 331 | } |
332 | ||
47b474b5 DD |
333 | /* Interface existance check by index. */ |
334 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) | |
335 | { | |
336 | switch (vrf_get_backend()) { | |
337 | case VRF_BACKEND_UNKNOWN: | |
338 | case VRF_BACKEND_NETNS: | |
339 | return(if_lookup_by_ifindex(ifindex, vrf_id)); | |
340 | case VRF_BACKEND_VRF_LITE: | |
341 | return(if_lookup_by_index_all_vrf(ifindex)); | |
342 | } | |
343 | return NULL; | |
344 | } | |
345 | ||
d62a17ae | 346 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 347 | { |
d62a17ae | 348 | struct interface *ifp; |
718e3744 | 349 | |
d62a17ae | 350 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
351 | ? ifp->name | |
352 | : "unknown"; | |
d2fc8896 | 353 | } |
354 | ||
d62a17ae | 355 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 356 | { |
d62a17ae | 357 | struct interface *ifp; |
d2fc8896 | 358 | |
a36898e7 | 359 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 360 | ? ifp->ifindex |
361 | : IFINDEX_INTERNAL; | |
718e3744 | 362 | } |
363 | ||
364 | /* Interface existance check by interface name. */ | |
a36898e7 | 365 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 366 | { |
a36898e7 | 367 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
f4e14fdb | 368 | struct interface if_tmp; |
d62a17ae | 369 | |
5b8524f5 RW |
370 | if (!vrf || !name |
371 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 372 | return NULL; |
f8962871 | 373 | |
f4e14fdb RW |
374 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
375 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
376 | } |
377 | ||
bcc24579 | 378 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 379 | { |
bcc24579 | 380 | struct vrf *vrf; |
d62a17ae | 381 | struct interface *ifp; |
a349198f | 382 | |
bcc24579 | 383 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 384 | return NULL; |
a349198f | 385 | |
bcc24579 | 386 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
a36898e7 | 387 | ifp = if_lookup_by_name(name, vrf->vrf_id); |
bcc24579 | 388 | if (ifp) |
d62a17ae | 389 | return ifp; |
390 | } | |
bcc24579 | 391 | |
d62a17ae | 392 | return NULL; |
a349198f | 393 | } |
394 | ||
ea7ec261 DD |
395 | struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex) |
396 | { | |
397 | struct vrf *vrf; | |
398 | struct interface *ifp; | |
399 | ||
400 | if (ifindex == IFINDEX_INTERNAL) | |
401 | return NULL; | |
402 | ||
403 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
47b474b5 | 404 | ifp = if_lookup_by_ifindex(ifindex, vrf->vrf_id); |
ea7ec261 DD |
405 | if (ifp) |
406 | return ifp; | |
407 | } | |
408 | ||
409 | return NULL; | |
410 | } | |
411 | ||
3923b6e3 | 412 | /* Lookup interface by IP address. */ |
d62a17ae | 413 | struct interface *if_lookup_exact_address(void *src, int family, |
414 | vrf_id_t vrf_id) | |
718e3744 | 415 | { |
f4e14fdb | 416 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 417 | struct listnode *cnode; |
418 | struct interface *ifp; | |
419 | struct prefix *p; | |
420 | struct connected *c; | |
421 | ||
451fda4f | 422 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 423 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
424 | p = c->address; | |
425 | ||
426 | if (p && (p->family == family)) { | |
427 | if (family == AF_INET) { | |
428 | if (IPV4_ADDR_SAME( | |
429 | &p->u.prefix4, | |
430 | (struct in_addr *)src)) | |
431 | return ifp; | |
432 | } else if (family == AF_INET6) { | |
433 | if (IPV6_ADDR_SAME( | |
434 | &p->u.prefix6, | |
435 | (struct in6_addr *)src)) | |
436 | return ifp; | |
437 | } | |
438 | } | |
0aabccc0 | 439 | } |
718e3744 | 440 | } |
d62a17ae | 441 | return NULL; |
718e3744 | 442 | } |
443 | ||
3923b6e3 | 444 | /* Lookup interface by IP address. */ |
d62a17ae | 445 | struct connected *if_lookup_address(void *matchaddr, int family, |
446 | vrf_id_t vrf_id) | |
718e3744 | 447 | { |
f4e14fdb | 448 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 449 | struct prefix addr; |
450 | int bestlen = 0; | |
451 | struct listnode *cnode; | |
452 | struct interface *ifp; | |
453 | struct connected *c; | |
454 | struct connected *match; | |
455 | ||
456 | if (family == AF_INET) { | |
457 | addr.family = AF_INET; | |
458 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
459 | addr.prefixlen = IPV4_MAX_BITLEN; | |
460 | } else if (family == AF_INET6) { | |
461 | addr.family = AF_INET6; | |
462 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
463 | addr.prefixlen = IPV6_MAX_BITLEN; | |
464 | } | |
718e3744 | 465 | |
d62a17ae | 466 | match = NULL; |
718e3744 | 467 | |
451fda4f | 468 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 469 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
470 | if (c->address && (c->address->family == AF_INET) | |
471 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
472 | && (c->address->prefixlen > bestlen)) { | |
473 | bestlen = c->address->prefixlen; | |
474 | match = c; | |
475 | } | |
476 | } | |
718e3744 | 477 | } |
d62a17ae | 478 | return match; |
718e3744 | 479 | } |
480 | ||
b81e97a8 | 481 | /* Lookup interface by prefix */ |
d62a17ae | 482 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 483 | { |
f4e14fdb | 484 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 485 | struct listnode *cnode; |
486 | struct interface *ifp; | |
487 | struct connected *c; | |
488 | ||
451fda4f | 489 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 490 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
491 | if (prefix_cmp(c->address, prefix) == 0) { | |
492 | return ifp; | |
493 | } | |
494 | } | |
495 | } | |
496 | return NULL; | |
b81e97a8 DD |
497 | } |
498 | ||
dad18a2f QY |
499 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
500 | struct interface ***result, vrf_id_t vrf_id) | |
501 | { | |
502 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
503 | ||
504 | struct list *rs = list_new(); | |
505 | struct interface *ifp; | |
506 | ||
507 | FOR_ALL_INTERFACES (vrf, ifp) { | |
508 | if (ifp->hw_addr_len == (int)addrsz | |
509 | && !memcmp(hw_addr, ifp->hw_addr, addrsz)) | |
510 | listnode_add(rs, ifp); | |
511 | } | |
512 | ||
513 | if (rs->count) { | |
514 | *result = XCALLOC(MTYPE_TMP, | |
515 | sizeof(struct interface *) * rs->count); | |
516 | list_to_array(rs, (void **)*result, rs->count); | |
517 | } | |
518 | ||
519 | int count = rs->count; | |
520 | ||
521 | list_delete(&rs); | |
522 | ||
523 | return count; | |
524 | } | |
525 | ||
526 | ||
718e3744 | 527 | /* Get interface by name if given name interface doesn't exist create |
528 | one. */ | |
a36898e7 | 529 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 530 | { |
8f90d89b | 531 | struct interface *ifp; |
718e3744 | 532 | |
8f90d89b | 533 | switch (vrf_get_backend()) { |
b0b97a7f | 534 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 535 | case VRF_BACKEND_NETNS: |
a36898e7 | 536 | ifp = if_lookup_by_name(name, vrf_id); |
ee2f2c23 TC |
537 | if (ifp) |
538 | return ifp; | |
d5c65bf1 | 539 | return if_create_name(name, vrf_id); |
8f90d89b RW |
540 | case VRF_BACKEND_VRF_LITE: |
541 | ifp = if_lookup_by_name_all_vrf(name); | |
542 | if (ifp) { | |
a36898e7 | 543 | if (ifp->vrf_id == vrf_id) |
379eb245 | 544 | return ifp; |
8f90d89b RW |
545 | /* If it came from the kernel or by way of zclient, |
546 | * believe it and update the ifp accordingly. | |
547 | */ | |
a36898e7 | 548 | if_update_to_new_vrf(ifp, vrf_id); |
8f90d89b | 549 | return ifp; |
ee2f2c23 | 550 | } |
d5c65bf1 | 551 | return if_create_name(name, vrf_id); |
85f9da7f | 552 | } |
8f90d89b RW |
553 | |
554 | return NULL; | |
8736158a FL |
555 | } |
556 | ||
ea7ec261 DD |
557 | struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) |
558 | { | |
559 | struct interface *ifp; | |
560 | ||
561 | switch (vrf_get_backend()) { | |
562 | case VRF_BACKEND_UNKNOWN: | |
563 | case VRF_BACKEND_NETNS: | |
47b474b5 | 564 | ifp = if_lookup_by_ifindex(ifindex, vrf_id); |
ea7ec261 DD |
565 | if (ifp) |
566 | return ifp; | |
567 | return if_create_ifindex(ifindex, vrf_id); | |
568 | case VRF_BACKEND_VRF_LITE: | |
569 | ifp = if_lookup_by_index_all_vrf(ifindex); | |
570 | if (ifp) { | |
571 | if (ifp->vrf_id == vrf_id) | |
572 | return ifp; | |
573 | /* If it came from the kernel or by way of zclient, | |
574 | * believe it and update the ifp accordingly. | |
575 | */ | |
576 | if_update_to_new_vrf(ifp, vrf_id); | |
577 | return ifp; | |
578 | } | |
579 | return if_create_ifindex(ifindex, vrf_id); | |
580 | } | |
581 | ||
582 | return NULL; | |
583 | } | |
584 | ||
ff880b78 RW |
585 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
586 | { | |
5b8524f5 RW |
587 | struct vrf *vrf; |
588 | ||
d5c65bf1 | 589 | vrf = vrf_get(ifp->vrf_id, NULL); |
5b8524f5 | 590 | assert(vrf); |
ff880b78 RW |
591 | |
592 | if (ifp->ifindex == ifindex) | |
593 | return; | |
594 | ||
595 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
d5c65bf1 | 596 | IFINDEX_RB_REMOVE(vrf, ifp); |
ff880b78 RW |
597 | |
598 | ifp->ifindex = ifindex; | |
599 | ||
600 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
601 | IFINDEX_RB_INSERT(vrf, ifp) | |
602 | } | |
603 | ||
d5c65bf1 SW |
604 | void if_set_name(struct interface *ifp, const char *name) |
605 | { | |
606 | struct vrf *vrf; | |
607 | ||
608 | vrf = vrf_get(ifp->vrf_id, NULL); | |
609 | assert(vrf); | |
610 | ||
611 | if (if_cmp_name_func(ifp->name, name) == 0) | |
612 | return; | |
613 | ||
614 | if (ifp->name[0] != '\0') | |
615 | IFNAME_RB_REMOVE(vrf, ifp); | |
616 | ||
617 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
618 | ||
619 | if (ifp->name[0] != '\0') | |
620 | IFNAME_RB_INSERT(vrf, ifp); | |
621 | } | |
622 | ||
718e3744 | 623 | /* Does interface up ? */ |
6339042c | 624 | int if_is_up(const struct interface *ifp) |
718e3744 | 625 | { |
d62a17ae | 626 | return ifp->flags & IFF_UP; |
718e3744 | 627 | } |
628 | ||
2e3b2e47 | 629 | /* Is interface running? */ |
6339042c | 630 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 631 | { |
d62a17ae | 632 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 633 | } |
634 | ||
635 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
636 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
637 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 638 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 639 | { |
d62a17ae | 640 | return ((ifp->flags & IFF_UP) |
641 | && (((ifp->flags & IFF_RUNNING) | |
642 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
643 | || !CHECK_FLAG(ifp->status, | |
644 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
645 | } |
646 | ||
647 | /* Is the interface operative, eg. either UP & RUNNING | |
648 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 649 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 650 | { |
d62a17ae | 651 | return ((ifp->flags & IFF_UP) |
652 | && ((ifp->flags & IFF_RUNNING) | |
653 | || !CHECK_FLAG(ifp->status, | |
654 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 655 | } |
656 | ||
718e3744 | 657 | /* Is this loopback interface ? */ |
6339042c | 658 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 659 | { |
d62a17ae | 660 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
661 | * but Y on platform N? | |
662 | */ | |
663 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 664 | } |
665 | ||
0c74bbe0 | 666 | /* Check interface is VRF */ |
6339042c | 667 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
668 | { |
669 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
670 | } | |
671 | ||
6339042c | 672 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
673 | { |
674 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
675 | return true; | |
676 | ||
677 | return false; | |
678 | } | |
679 | ||
718e3744 | 680 | /* Does this interface support broadcast ? */ |
6339042c | 681 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 682 | { |
d62a17ae | 683 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 684 | } |
685 | ||
686 | /* Does this interface support broadcast ? */ | |
6339042c | 687 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 688 | { |
d62a17ae | 689 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 690 | } |
691 | ||
692 | /* Does this interface support multicast ? */ | |
6339042c | 693 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 694 | { |
d62a17ae | 695 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 696 | } |
697 | ||
698 | /* Printout flag information into log */ | |
d62a17ae | 699 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 700 | { |
d62a17ae | 701 | int separator = 0; |
702 | static char logbuf[BUFSIZ]; | |
703 | ||
704 | #define IFF_OUT_LOG(X, STR) \ | |
705 | if (flag & (X)) { \ | |
706 | if (separator) \ | |
3393df5c | 707 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 708 | else \ |
709 | separator = 1; \ | |
3393df5c | 710 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 711 | } |
718e3744 | 712 | |
d62a17ae | 713 | strlcpy(logbuf, "<", BUFSIZ); |
714 | IFF_OUT_LOG(IFF_UP, "UP"); | |
715 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
716 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
717 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
718 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
719 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
720 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
721 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
722 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
723 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
724 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
725 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
726 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
727 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
728 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
729 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
730 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
731 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
732 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
733 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
734 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
735 | ||
3393df5c | 736 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 737 | |
738 | return logbuf; | |
630c97ce | 739 | #undef IFF_OUT_LOG |
718e3744 | 740 | } |
741 | ||
742 | /* For debugging */ | |
d62a17ae | 743 | static void if_dump(const struct interface *ifp) |
718e3744 | 744 | { |
d62a17ae | 745 | struct listnode *node; |
746 | struct connected *c __attribute__((unused)); | |
747 | ||
a94fbcca DS |
748 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) { |
749 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
750 | ||
d62a17ae | 751 | zlog_info( |
a94fbcca | 752 | "Interface %s vrf %s(%u) index %d metric %d mtu %d " |
d62a17ae | 753 | "mtu6 %d %s", |
a94fbcca DS |
754 | ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, ifp->ifindex, |
755 | ifp->metric, ifp->mtu, ifp->mtu6, | |
756 | if_flag_dump(ifp->flags)); | |
757 | } | |
718e3744 | 758 | } |
759 | ||
760 | /* Interface printing for all interface. */ | |
d62a17ae | 761 | void if_dump_all(void) |
718e3744 | 762 | { |
d62a17ae | 763 | struct vrf *vrf; |
f4e14fdb | 764 | void *ifp; |
d62a17ae | 765 | |
a2addae8 | 766 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 767 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 768 | if_dump(ifp); |
718e3744 | 769 | } |
770 | ||
98954844 PJ |
771 | #ifdef SUNOS_5 |
772 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
773 | * a seperate struct interface for each logical interface, so config | |
774 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
775 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
776 | * interfaces can be fruitless, for that reason Quagga only tracks | |
777 | * the primary IP interface. | |
778 | * | |
779 | * We try accomodate SUNWzebra by: | |
780 | * - looking up the interface name, to see whether it exists, if so | |
781 | * its useable | |
782 | * - for protocol daemons, this could only because zebra told us of | |
783 | * the interface | |
784 | * - for zebra, only because it learnt from kernel | |
785 | * - if not: | |
786 | * - search the name to see if it contains a sub-ipif / logical interface | |
787 | * seperator, the ':' char. If it does: | |
788 | * - text up to that char must be the primary name - get that name. | |
789 | * if not: | |
790 | * - no idea, just get the name in its entirety. | |
791 | */ | |
a36898e7 | 792 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 793 | { |
d62a17ae | 794 | struct interface *ifp; |
bcc24579 | 795 | char *cp; |
d62a17ae | 796 | |
a36898e7 | 797 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 798 | return ifp; |
799 | ||
800 | /* hunt the primary interface name... */ | |
bcc24579 RW |
801 | cp = strchr(name, ':'); |
802 | if (cp) | |
803 | *cp = '\0'; | |
d62a17ae | 804 | |
a36898e7 | 805 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
806 | } |
807 | #endif /* SUNOS_5 */ | |
6b0655a2 | 808 | |
d7d73ffc | 809 | #if 0 |
718e3744 | 810 | /* For debug purpose. */ |
811 | DEFUN (show_address, | |
812 | show_address_cmd, | |
199d90a1 | 813 | "show address [vrf NAME]", |
718e3744 | 814 | SHOW_STR |
fcbee690 QY |
815 | "address\n" |
816 | VRF_CMD_HELP_STR) | |
718e3744 | 817 | { |
ac2914d3 DS |
818 | int idx_vrf = 3; |
819 | struct listnode *node; | |
820 | struct interface *ifp; | |
821 | struct connected *ifc; | |
822 | struct prefix *p; | |
823 | vrf_id_t vrf_id = VRF_DEFAULT; | |
824 | ||
825 | if (argc > 2) | |
826 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); | |
718e3744 | 827 | |
ac2914d3 DS |
828 | FOR_ALL_INTERFACES (vrf, ifp) { |
829 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
830 | p = ifc->address; | |
831 | ||
832 | if (p->family == AF_INET) | |
833 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
834 | } | |
718e3744 | 835 | } |
ac2914d3 | 836 | return CMD_SUCCESS; |
718e3744 | 837 | } |
838 | ||
8736158a FL |
839 | DEFUN (show_address_vrf_all, |
840 | show_address_vrf_all_cmd, | |
9ccf14f7 | 841 | "show address vrf all", |
8736158a FL |
842 | SHOW_STR |
843 | "address\n" | |
844 | VRF_ALL_CMD_HELP_STR) | |
845 | { | |
ac2914d3 DS |
846 | struct vrf *vrf; |
847 | struct listnode *node; | |
848 | struct interface *ifp; | |
849 | struct connected *ifc; | |
850 | struct prefix *p; | |
851 | ||
852 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) | |
853 | { | |
854 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) | |
855 | continue; | |
856 | ||
a94fbcca DS |
857 | vty_out (vty, "\nVRF %s(%u)\n\n", |
858 | VRF_LOGNAME(vrf), vrf->vrf_id); | |
ac2914d3 DS |
859 | |
860 | FOR_ALL_INTERFACES (vrf, ifp) { | |
861 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
862 | p = ifc->address; | |
863 | ||
864 | if (p->family == AF_INET) | |
865 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
866 | } | |
867 | } | |
868 | } | |
869 | return CMD_SUCCESS; | |
8736158a | 870 | } |
d7d73ffc | 871 | #endif |
8736158a | 872 | |
718e3744 | 873 | /* Allocate connected structure. */ |
d62a17ae | 874 | struct connected *connected_new(void) |
718e3744 | 875 | { |
d62a17ae | 876 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 877 | } |
878 | ||
a80beece | 879 | /* Allocate nbr connected structure. */ |
d62a17ae | 880 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 881 | { |
d62a17ae | 882 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
883 | } |
884 | ||
718e3744 | 885 | /* Free connected structure. */ |
721c0857 | 886 | void connected_free(struct connected **connected) |
718e3744 | 887 | { |
721c0857 DS |
888 | struct connected *ptr = *connected; |
889 | ||
890 | if (ptr->address) | |
891 | prefix_free(&ptr->address); | |
718e3744 | 892 | |
721c0857 DS |
893 | if (ptr->destination) |
894 | prefix_free(&ptr->destination); | |
718e3744 | 895 | |
721c0857 | 896 | XFREE(MTYPE_CONNECTED_LABEL, ptr->label); |
718e3744 | 897 | |
721c0857 DS |
898 | XFREE(MTYPE_CONNECTED, ptr); |
899 | *connected = NULL; | |
718e3744 | 900 | } |
901 | ||
a80beece | 902 | /* Free nbr connected structure. */ |
d62a17ae | 903 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 904 | { |
d62a17ae | 905 | if (connected->address) |
63265b5c | 906 | prefix_free(&connected->address); |
a80beece | 907 | |
d62a17ae | 908 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
909 | } |
910 | ||
911 | /* If same interface nbr address already exists... */ | |
d62a17ae | 912 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
913 | struct prefix *p) | |
a80beece | 914 | { |
d62a17ae | 915 | struct nbr_connected *ifc; |
916 | struct listnode *node; | |
a80beece | 917 | |
d62a17ae | 918 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
919 | if (prefix_same(ifc->address, p)) | |
920 | return ifc; | |
a80beece | 921 | |
d62a17ae | 922 | return NULL; |
a80beece DS |
923 | } |
924 | ||
718e3744 | 925 | /* Print if_addr structure. */ |
d62a17ae | 926 | static void __attribute__((unused)) |
927 | connected_log(struct connected *connected, char *str) | |
718e3744 | 928 | { |
d62a17ae | 929 | struct prefix *p; |
930 | struct interface *ifp; | |
a94fbcca | 931 | struct vrf *vrf; |
d62a17ae | 932 | char logbuf[BUFSIZ]; |
933 | char buf[BUFSIZ]; | |
934 | ||
935 | ifp = connected->ifp; | |
936 | p = connected->address; | |
937 | ||
a94fbcca DS |
938 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
939 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %s(%u) %s %s/%d ", str, | |
940 | ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, prefix_family_str(p), | |
d62a17ae | 941 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
942 | ||
943 | p = connected->destination; | |
944 | if (p) { | |
945 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
946 | BUFSIZ - strlen(logbuf)); | |
947 | } | |
948 | zlog_info("%s", logbuf); | |
718e3744 | 949 | } |
950 | ||
a80beece | 951 | /* Print if_addr structure. */ |
d62a17ae | 952 | static void __attribute__((unused)) |
953 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 954 | { |
d62a17ae | 955 | struct prefix *p; |
956 | struct interface *ifp; | |
957 | char logbuf[BUFSIZ]; | |
958 | char buf[BUFSIZ]; | |
a80beece | 959 | |
d62a17ae | 960 | ifp = connected->ifp; |
961 | p = connected->address; | |
a80beece | 962 | |
d62a17ae | 963 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
964 | prefix_family_str(p), | |
965 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 966 | |
d62a17ae | 967 | zlog_info("%s", logbuf); |
a80beece DS |
968 | } |
969 | ||
718e3744 | 970 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 971 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 972 | { |
d62a17ae | 973 | if (p1->family == p2->family) { |
974 | if (p1->family == AF_INET | |
975 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
976 | return 1; | |
977 | if (p1->family == AF_INET6 | |
978 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
979 | return 1; | |
980 | } | |
981 | return 0; | |
718e3744 | 982 | } |
983 | ||
457ea8d4 GN |
984 | /* count the number of connected addresses that are in the given family */ |
985 | unsigned int connected_count_by_family(struct interface *ifp, int family) | |
986 | { | |
987 | struct listnode *cnode; | |
988 | struct connected *connected; | |
989 | unsigned int cnt = 0; | |
990 | ||
991 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) | |
992 | if (connected->address->family == family) | |
993 | cnt++; | |
994 | ||
995 | return cnt; | |
996 | } | |
997 | ||
d62a17ae | 998 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
999 | struct prefix *p) | |
38485402 | 1000 | { |
d62a17ae | 1001 | struct listnode *node; |
1002 | struct listnode *next; | |
1003 | struct connected *ifc; | |
38485402 | 1004 | |
d62a17ae | 1005 | for (node = listhead(ifp->connected); node; node = next) { |
1006 | ifc = listgetdata(node); | |
1007 | next = node->next; | |
38485402 | 1008 | |
d62a17ae | 1009 | if (connected_same_prefix(ifc->address, p)) |
1010 | return ifc; | |
1011 | } | |
1012 | return NULL; | |
38485402 DS |
1013 | } |
1014 | ||
d62a17ae | 1015 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
1016 | struct prefix *p) | |
718e3744 | 1017 | { |
d62a17ae | 1018 | struct listnode *node; |
1019 | struct listnode *next; | |
1020 | struct connected *ifc; | |
1021 | ||
1022 | /* In case of same prefix come, replace it with new one. */ | |
1023 | for (node = listhead(ifp->connected); node; node = next) { | |
1024 | ifc = listgetdata(node); | |
1025 | next = node->next; | |
1026 | ||
1027 | if (connected_same_prefix(ifc->address, p)) { | |
1028 | listnode_delete(ifp->connected, ifc); | |
1029 | return ifc; | |
1030 | } | |
718e3744 | 1031 | } |
d62a17ae | 1032 | return NULL; |
718e3744 | 1033 | } |
1034 | ||
bd40c341 | 1035 | /* Find the address on our side that will be used when packets |
727d104b | 1036 | are sent to dst. */ |
d62a17ae | 1037 | struct connected *connected_lookup_prefix(struct interface *ifp, |
1038 | struct prefix *addr) | |
727d104b | 1039 | { |
d62a17ae | 1040 | struct listnode *cnode; |
1041 | struct connected *c; | |
1042 | struct connected *match; | |
1043 | ||
1044 | match = NULL; | |
1045 | ||
1046 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
1047 | if (c->address && (c->address->family == addr->family) | |
1048 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
1049 | && (!match | |
1050 | || (c->address->prefixlen > match->address->prefixlen))) | |
1051 | match = c; | |
1052 | } | |
1053 | return match; | |
727d104b | 1054 | } |
1055 | ||
d62a17ae | 1056 | struct connected *connected_add_by_prefix(struct interface *ifp, |
1057 | struct prefix *p, | |
1058 | struct prefix *destination) | |
4a7aac1b | 1059 | { |
d62a17ae | 1060 | struct connected *ifc; |
4a7aac1b | 1061 | |
d62a17ae | 1062 | /* Allocate new connected address. */ |
1063 | ifc = connected_new(); | |
1064 | ifc->ifp = ifp; | |
4a7aac1b | 1065 | |
d62a17ae | 1066 | /* Fetch interface address */ |
1067 | ifc->address = prefix_new(); | |
1068 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1069 | |
d62a17ae | 1070 | /* Fetch dest address */ |
1071 | if (destination) { | |
1072 | ifc->destination = prefix_new(); | |
1073 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1074 | } | |
4a7aac1b | 1075 | |
d62a17ae | 1076 | /* Add connected address to the interface. */ |
1077 | listnode_add(ifp->connected, ifc); | |
1078 | return ifc; | |
4a7aac1b | 1079 | } |
1080 | ||
667179ca QY |
1081 | struct connected *connected_get_linklocal(struct interface *ifp) |
1082 | { | |
1083 | struct listnode *n; | |
1084 | struct connected *c = NULL; | |
1085 | ||
1086 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
1087 | if (c->address->family == AF_INET6 | |
1088 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
1089 | break; | |
1090 | } | |
1091 | return c; | |
1092 | } | |
1093 | ||
d62a17ae | 1094 | #if 0 /* this route_table of struct connected's is unused \ |
1095 | * however, it would be good to use a route_table rather than \ | |
1096 | * a list.. \ | |
1097 | */ | |
718e3744 | 1098 | /* Interface looking up by interface's address. */ |
718e3744 | 1099 | /* Interface's IPv4 address reverse lookup table. */ |
1100 | struct route_table *ifaddr_ipv4_table; | |
1101 | /* struct route_table *ifaddr_ipv6_table; */ | |
1102 | ||
8cc4198f | 1103 | static void |
718e3744 | 1104 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1105 | { | |
1106 | struct route_node *rn; | |
1107 | struct prefix_ipv4 p; | |
1108 | ||
1109 | p.family = AF_INET; | |
1110 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1111 | p.prefix = *ifaddr; | |
1112 | ||
1113 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1114 | if (rn) | |
1115 | { | |
1116 | route_unlock_node (rn); | |
1117 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1118 | inet_ntoa (*ifaddr)); | |
1119 | return; | |
1120 | } | |
1121 | rn->info = ifp; | |
1122 | } | |
1123 | ||
8cc4198f | 1124 | static void |
718e3744 | 1125 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1126 | { | |
1127 | struct route_node *rn; | |
1128 | struct prefix_ipv4 p; | |
1129 | ||
1130 | p.family = AF_INET; | |
1131 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1132 | p.prefix = *ifaddr; | |
1133 | ||
1134 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1135 | if (! rn) | |
1136 | { | |
1137 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1138 | inet_ntoa (*ifaddr)); | |
1139 | return; | |
1140 | } | |
1141 | rn->info = NULL; | |
1142 | route_unlock_node (rn); | |
1143 | route_unlock_node (rn); | |
1144 | } | |
1145 | ||
1146 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1147 | static struct interface * |
b892f1dd | 1148 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1149 | { |
1150 | struct prefix_ipv4 p; | |
1151 | struct route_node *rn; | |
1152 | struct interface *ifp; | |
718e3744 | 1153 | |
1154 | if (addr) | |
1155 | { | |
1156 | p.family = AF_INET; | |
1157 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1158 | p.prefix = *addr; | |
1159 | ||
1160 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1161 | if (! rn) | |
1162 | return NULL; | |
55cd0f61 | 1163 | |
718e3744 | 1164 | ifp = rn->info; |
1165 | route_unlock_node (rn); | |
1166 | return ifp; | |
1167 | } | |
1168 | else | |
7e2b7603 | 1169 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1170 | } |
8cc4198f | 1171 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1172 | |
f4e14fdb | 1173 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1174 | { |
f4e14fdb | 1175 | struct interface *ifp; |
4bd045d5 | 1176 | |
55cd0f61 DS |
1177 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1178 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1179 | ||
d62a17ae | 1180 | if (ifp->node) { |
1181 | ifp->node->info = NULL; | |
1182 | route_unlock_node(ifp->node); | |
1183 | } | |
f609709a | 1184 | if_delete(&ifp); |
d62a17ae | 1185 | } |
4bd045d5 | 1186 | } |
8ccc7e80 | 1187 | |
d62a17ae | 1188 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1189 | { |
d62a17ae | 1190 | switch (llt) { |
8ccc7e80 | 1191 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1192 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1193 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1194 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1195 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1196 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1197 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1198 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1199 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1200 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1201 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1202 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1203 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1204 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1205 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1206 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1207 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1208 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1209 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1210 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1211 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1212 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1213 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1214 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1215 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1216 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1217 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1218 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1219 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1220 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1221 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1222 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1223 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1224 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1225 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1226 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1227 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1228 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1229 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1230 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1231 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1232 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1233 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1234 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1235 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1236 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1237 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1238 | default: | |
450971aa | 1239 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1240 | return "Unknown type!"; |
8ccc7e80 | 1241 | #undef llts |
d62a17ae | 1242 | } |
1243 | return NULL; | |
8ccc7e80 | 1244 | } |
16f1b9ee | 1245 | |
d62a17ae | 1246 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1247 | { |
d62a17ae | 1248 | int i; |
16f1b9ee | 1249 | |
d62a17ae | 1250 | if (ifp->link_params != NULL) |
1251 | return ifp->link_params; | |
16f1b9ee | 1252 | |
d62a17ae | 1253 | struct if_link_params *iflp = |
1254 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1255 | if (iflp == NULL) | |
1256 | return NULL; | |
16f1b9ee | 1257 | |
d62a17ae | 1258 | /* Set TE metric equal to standard metric */ |
1259 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1260 | |
d62a17ae | 1261 | /* Compute default bandwidth based on interface */ |
1262 | iflp->default_bw = | |
1263 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1264 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1265 | |
d62a17ae | 1266 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1267 | iflp->max_bw = iflp->default_bw; | |
1268 | iflp->max_rsv_bw = iflp->default_bw; | |
1269 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1270 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1271 | |
d62a17ae | 1272 | /* Update Link parameters status */ |
1273 | iflp->lp_status = | |
1274 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1275 | |
d62a17ae | 1276 | /* Finally attach newly created Link Parameters */ |
1277 | ifp->link_params = iflp; | |
16f1b9ee | 1278 | |
d62a17ae | 1279 | return iflp; |
16f1b9ee OD |
1280 | } |
1281 | ||
d62a17ae | 1282 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1283 | { |
d62a17ae | 1284 | if (ifp->link_params == NULL) |
1285 | return; | |
1286 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
16f1b9ee | 1287 | } |
a4bed468 | 1288 | |
8f90d89b RW |
1289 | /* ----------- CLI commands ----------- */ |
1290 | ||
1291 | /* | |
1292 | * XPath: /frr-interface:lib/interface | |
1293 | */ | |
1294 | DEFPY_NOSH (interface, | |
1295 | interface_cmd, | |
e429a2a0 | 1296 | "interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1297 | "Select an interface to configure\n" |
1298 | "Interface's name\n" | |
1299 | VRF_CMD_HELP_STR) | |
1300 | { | |
1301 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1302 | vrf_id_t vrf_id; |
1303 | struct interface *ifp; | |
8f90d89b RW |
1304 | int ret; |
1305 | ||
e429a2a0 IR |
1306 | if (!vrf_name) |
1307 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b RW |
1308 | |
1309 | /* | |
1310 | * This command requires special handling to maintain backward | |
1311 | * compatibility. If a VRF name is not specified, it means we're willing | |
1312 | * to accept any interface with the given name on any VRF. If no | |
1313 | * interface is found, then a new one should be created on the default | |
1314 | * VRF. | |
1315 | */ | |
e429a2a0 | 1316 | VRF_GET_ID(vrf_id, vrf_name, false); |
a36898e7 DS |
1317 | ifp = if_lookup_by_name_all_vrf(ifname); |
1318 | if (ifp && ifp->vrf_id != vrf_id) { | |
1319 | struct vrf *vrf; | |
1320 | ||
8f90d89b RW |
1321 | /* |
1322 | * Special case 1: a VRF name was specified, but the found | |
1323 | * interface is associated to different VRF. Reject the command. | |
1324 | */ | |
a36898e7 | 1325 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b | 1326 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
e429a2a0 | 1327 | vrf_name); |
8f90d89b RW |
1328 | return CMD_WARNING_CONFIG_FAILED; |
1329 | } | |
1330 | ||
1331 | /* | |
1332 | * Special case 2: a VRF name was *not* specified, and the found | |
1333 | * interface is associated to a VRF other than the default one. | |
e429a2a0 | 1334 | * Update vrf_id and vrf_name to account for that. |
8f90d89b | 1335 | */ |
a36898e7 | 1336 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1337 | assert(vrf); |
a36898e7 | 1338 | vrf_id = ifp->vrf_id; |
e429a2a0 | 1339 | vrf_name = vrf->name; |
8f90d89b RW |
1340 | } |
1341 | ||
1342 | snprintf(xpath_list, sizeof(xpath_list), | |
1343 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
e429a2a0 | 1344 | vrf_name); |
8f90d89b | 1345 | |
a6233bfc RW |
1346 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1347 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1348 | if (ret == CMD_SUCCESS) { |
1349 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1350 | ||
1351 | /* | |
1352 | * For backward compatibility with old commands we still need | |
1353 | * to use the qobj infrastructure. This can be removed once | |
1354 | * all interface-level commands are converted to the new | |
1355 | * northbound model. | |
1356 | */ | |
a36898e7 | 1357 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1358 | if (ifp) |
1359 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1360 | } | |
1361 | ||
1362 | return ret; | |
1363 | } | |
1364 | ||
1365 | DEFPY (no_interface, | |
1366 | no_interface_cmd, | |
e429a2a0 | 1367 | "no interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1368 | NO_STR |
1369 | "Delete a pseudo interface's configuration\n" | |
1370 | "Interface's name\n" | |
1371 | VRF_CMD_HELP_STR) | |
1372 | { | |
e429a2a0 IR |
1373 | if (!vrf_name) |
1374 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b | 1375 | |
95ce849b | 1376 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1377 | |
a6233bfc RW |
1378 | return nb_cli_apply_changes( |
1379 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
e429a2a0 | 1380 | ifname, vrf_name); |
8f90d89b RW |
1381 | } |
1382 | ||
1383 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1384 | bool show_defaults) | |
1385 | { | |
1386 | const char *vrf; | |
1387 | ||
1388 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1389 | ||
1390 | vty_out(vty, "!\n"); | |
1391 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1392 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1393 | vty_out(vty, " vrf %s", vrf); | |
1394 | vty_out(vty, "\n"); | |
1395 | } | |
1396 | ||
1397 | /* | |
1398 | * XPath: /frr-interface:lib/interface/description | |
1399 | */ | |
1400 | DEFPY (interface_desc, | |
1401 | interface_desc_cmd, | |
1402 | "description LINE...", | |
1403 | "Interface specific description\n" | |
1404 | "Characters describing this interface\n") | |
1405 | { | |
8f90d89b RW |
1406 | char *desc; |
1407 | int ret; | |
1408 | ||
1409 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1410 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1411 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1412 | XFREE(MTYPE_TMP, desc); |
1413 | ||
1414 | return ret; | |
1415 | } | |
1416 | ||
1417 | DEFPY (no_interface_desc, | |
1418 | no_interface_desc_cmd, | |
1419 | "no description", | |
1420 | NO_STR | |
1421 | "Interface specific description\n") | |
1422 | { | |
95ce849b | 1423 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1424 | |
1425 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1426 | } |
1427 | ||
1428 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1429 | bool show_defaults) | |
1430 | { | |
1431 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1432 | } | |
1433 | ||
1434 | /* Interface autocomplete. */ | |
1435 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1436 | { | |
1437 | struct interface *ifp; | |
1438 | struct vrf *vrf; | |
1439 | ||
1440 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1441 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1442 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1443 | } | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1448 | {/* "interface NAME" */ | |
1449 | .varname = "interface", | |
1450 | .completions = if_autocomplete}, | |
1451 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1452 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1453 | {.completions = NULL}}; | |
1454 | ||
1455 | void if_cmd_init(void) | |
1456 | { | |
1457 | cmd_variable_handler_register(if_var_handlers); | |
1458 | ||
1459 | install_element(CONFIG_NODE, &interface_cmd); | |
1460 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1461 | ||
1462 | install_default(INTERFACE_NODE); | |
1463 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1464 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1465 | } | |
1466 | ||
138c5a74 DS |
1467 | void if_zapi_callbacks(int (*create)(struct interface *ifp), |
1468 | int (*up)(struct interface *ifp), | |
1469 | int (*down)(struct interface *ifp), | |
1470 | int (*destroy)(struct interface *ifp)) | |
1471 | { | |
1472 | ifp_master.create_hook = create; | |
1473 | ifp_master.up_hook = up; | |
1474 | ifp_master.down_hook = down; | |
1475 | ifp_master.destroy_hook = destroy; | |
1476 | } | |
1477 | ||
a4bed468 RW |
1478 | /* ------- Northbound callbacks ------- */ |
1479 | ||
1480 | /* | |
1481 | * XPath: /frr-interface:lib/interface | |
1482 | */ | |
1483 | static int lib_interface_create(enum nb_event event, | |
1484 | const struct lyd_node *dnode, | |
1485 | union nb_resource *resource) | |
1486 | { | |
8f90d89b RW |
1487 | const char *ifname; |
1488 | const char *vrfname; | |
1489 | struct vrf *vrf; | |
a36898e7 | 1490 | struct interface *ifp; |
8f90d89b RW |
1491 | |
1492 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1493 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1494 | ||
1495 | switch (event) { | |
1496 | case NB_EV_VALIDATE: | |
1497 | vrf = vrf_lookup_by_name(vrfname); | |
1498 | if (!vrf) { | |
1499 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1500 | vrfname); | |
1501 | return NB_ERR_VALIDATION; | |
1502 | } | |
a36898e7 DS |
1503 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1504 | zlog_warn("%s: VRF %s is not active", __func__, | |
1505 | vrf->name); | |
1506 | return NB_ERR_VALIDATION; | |
1507 | } | |
72261ecd | 1508 | |
b0b97a7f PG |
1509 | /* if VRF is netns or not yet known - init for instance |
1510 | * then assumption is that passed config is exact | |
1511 | * then the user intent was not to use an other iface | |
1512 | */ | |
8f90d89b RW |
1513 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1514 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1515 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1516 | zlog_warn( |
1517 | "%s: interface %s already exists in another VRF", | |
1518 | __func__, ifp->name); | |
1519 | return NB_ERR_VALIDATION; | |
1520 | } | |
1521 | } | |
1522 | break; | |
1523 | case NB_EV_PREPARE: | |
1524 | case NB_EV_ABORT: | |
1525 | break; | |
1526 | case NB_EV_APPLY: | |
1527 | vrf = vrf_lookup_by_name(vrfname); | |
1528 | assert(vrf); | |
1529 | #ifdef SUNOS_5 | |
a36898e7 | 1530 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1531 | #else |
a36898e7 | 1532 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1533 | #endif /* SUNOS_5 */ |
1d311a05 DS |
1534 | |
1535 | ifp->configured = true; | |
ccd43ada | 1536 | nb_running_set_entry(dnode, ifp); |
8f90d89b RW |
1537 | break; |
1538 | } | |
1539 | ||
a4bed468 RW |
1540 | return NB_OK; |
1541 | } | |
1542 | ||
6a3fdeec RW |
1543 | static int lib_interface_destroy(enum nb_event event, |
1544 | const struct lyd_node *dnode) | |
a4bed468 | 1545 | { |
8f90d89b RW |
1546 | struct interface *ifp; |
1547 | ||
8f90d89b RW |
1548 | |
1549 | switch (event) { | |
1550 | case NB_EV_VALIDATE: | |
ccd43ada | 1551 | ifp = nb_running_get_entry(dnode, NULL, true); |
8f90d89b RW |
1552 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
1553 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1554 | __func__); | |
1555 | return NB_ERR_VALIDATION; | |
1556 | } | |
1557 | break; | |
1558 | case NB_EV_PREPARE: | |
1559 | case NB_EV_ABORT: | |
1560 | break; | |
1561 | case NB_EV_APPLY: | |
ccd43ada | 1562 | ifp = nb_running_unset_entry(dnode); |
1d311a05 DS |
1563 | |
1564 | ifp->configured = false; | |
f609709a | 1565 | if_delete(&ifp); |
8f90d89b RW |
1566 | break; |
1567 | } | |
1568 | ||
a4bed468 RW |
1569 | return NB_OK; |
1570 | } | |
1571 | ||
f88647ef QY |
1572 | /* |
1573 | * XPath: /frr-interface:lib/interface | |
1574 | */ | |
1575 | static const void *lib_interface_get_next(const void *parent_list_entry, | |
1576 | const void *list_entry) | |
1577 | { | |
1578 | struct vrf *vrf; | |
1579 | struct interface *pif = (struct interface *)list_entry; | |
1580 | ||
1581 | if (list_entry == NULL) { | |
1582 | vrf = RB_MIN(vrf_name_head, &vrfs_by_name); | |
1583 | assert(vrf); | |
1584 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1585 | } else { | |
1586 | vrf = vrf_lookup_by_id(pif->vrf_id); | |
1587 | pif = RB_NEXT(if_name_head, pif); | |
1588 | /* if no more interfaces, switch to next vrf */ | |
1589 | while (pif == NULL) { | |
1590 | vrf = RB_NEXT(vrf_name_head, vrf); | |
1591 | if (!vrf) | |
1592 | return NULL; | |
1593 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | return pif; | |
1598 | } | |
1599 | ||
1600 | static int lib_interface_get_keys(const void *list_entry, | |
1601 | struct yang_list_keys *keys) | |
1602 | { | |
1603 | const struct interface *ifp = list_entry; | |
1604 | ||
1605 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1606 | ||
1607 | assert(vrf); | |
1608 | ||
1609 | keys->num = 2; | |
1610 | strlcpy(keys->key[0], ifp->name, sizeof(keys->key[0])); | |
1611 | strlcpy(keys->key[1], vrf->name, sizeof(keys->key[1])); | |
1612 | ||
1613 | return NB_OK; | |
1614 | } | |
1615 | ||
1616 | static const void *lib_interface_lookup_entry(const void *parent_list_entry, | |
1617 | const struct yang_list_keys *keys) | |
1618 | { | |
1619 | const char *ifname = keys->key[0]; | |
1620 | const char *vrfname = keys->key[1]; | |
1621 | struct vrf *vrf = vrf_lookup_by_name(vrfname); | |
1622 | ||
68a4422d | 1623 | return vrf ? if_lookup_by_name(ifname, vrf->vrf_id) : NULL; |
f88647ef QY |
1624 | } |
1625 | ||
a4bed468 RW |
1626 | /* |
1627 | * XPath: /frr-interface:lib/interface/description | |
1628 | */ | |
1629 | static int lib_interface_description_modify(enum nb_event event, | |
1630 | const struct lyd_node *dnode, | |
1631 | union nb_resource *resource) | |
1632 | { | |
8f90d89b RW |
1633 | struct interface *ifp; |
1634 | const char *description; | |
1635 | ||
1636 | if (event != NB_EV_APPLY) | |
1637 | return NB_OK; | |
1638 | ||
ccd43ada | 1639 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1640 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1641 | description = yang_dnode_get_string(dnode, NULL); |
1642 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1643 | ||
a4bed468 RW |
1644 | return NB_OK; |
1645 | } | |
1646 | ||
6a3fdeec RW |
1647 | static int lib_interface_description_destroy(enum nb_event event, |
1648 | const struct lyd_node *dnode) | |
a4bed468 | 1649 | { |
8f90d89b RW |
1650 | struct interface *ifp; |
1651 | ||
1652 | if (event != NB_EV_APPLY) | |
1653 | return NB_OK; | |
1654 | ||
ccd43ada | 1655 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1656 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1657 | |
a4bed468 RW |
1658 | return NB_OK; |
1659 | } | |
1660 | ||
1661 | /* clang-format off */ | |
fa751d15 DL |
1662 | |
1663 | #if defined(__GNUC__) && ((__GNUC__ - 0) < 5) && !defined(__clang__) | |
1664 | /* gcc versions before 5.x miscalculate the size for structs with variable | |
1665 | * length arrays (they just count it as size 0) | |
1666 | */ | |
1667 | struct frr_yang_module_info_size3 { | |
1668 | /* YANG module name. */ | |
1669 | const char *name; | |
1670 | ||
1671 | /* Northbound callbacks. */ | |
1672 | const struct { | |
1673 | /* Data path of this YANG node. */ | |
1674 | const char *xpath; | |
1675 | ||
1676 | /* Callbacks implemented for this node. */ | |
1677 | struct nb_callbacks cbs; | |
1678 | ||
1679 | /* Priority - lower priorities are processed first. */ | |
1680 | uint32_t priority; | |
1681 | } nodes[3]; | |
1682 | }; | |
1683 | ||
1684 | const struct frr_yang_module_info_size3 frr_interface_info_size3 asm("frr_interface_info") = { | |
1685 | #else | |
a4bed468 | 1686 | const struct frr_yang_module_info frr_interface_info = { |
fa751d15 | 1687 | #endif |
a4bed468 RW |
1688 | .name = "frr-interface", |
1689 | .nodes = { | |
1690 | { | |
1691 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1692 | .cbs = { |
1693 | .create = lib_interface_create, | |
1694 | .destroy = lib_interface_destroy, | |
1695 | .cli_show = cli_show_interface, | |
f88647ef QY |
1696 | .get_next = lib_interface_get_next, |
1697 | .get_keys = lib_interface_get_keys, | |
1698 | .lookup_entry = lib_interface_lookup_entry, | |
53280f93 | 1699 | }, |
a4bed468 RW |
1700 | }, |
1701 | { | |
1702 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1703 | .cbs = { |
1704 | .modify = lib_interface_description_modify, | |
1705 | .destroy = lib_interface_description_destroy, | |
1706 | .cli_show = cli_show_interface_desc, | |
1707 | }, | |
a4bed468 RW |
1708 | }, |
1709 | { | |
1710 | .xpath = NULL, | |
1711 | }, | |
1712 | } | |
1713 | }; |