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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 | ||
67f81586 | 585 | int if_set_index(struct interface *ifp, ifindex_t ifindex) |
ff880b78 | 586 | { |
5b8524f5 RW |
587 | struct vrf *vrf; |
588 | ||
67f81586 QY |
589 | if (ifp->ifindex == ifindex) |
590 | return 0; | |
591 | ||
d5c65bf1 | 592 | vrf = vrf_get(ifp->vrf_id, NULL); |
5b8524f5 | 593 | assert(vrf); |
ff880b78 | 594 | |
67f81586 QY |
595 | /* |
596 | * If there is already an interface with this ifindex, we will collide | |
597 | * on insertion, so don't even try. | |
598 | */ | |
599 | if (if_lookup_by_ifindex(ifindex, ifp->vrf_id)) | |
600 | return -1; | |
ff880b78 RW |
601 | |
602 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
d5c65bf1 | 603 | IFINDEX_RB_REMOVE(vrf, ifp); |
ff880b78 RW |
604 | |
605 | ifp->ifindex = ifindex; | |
606 | ||
67f81586 QY |
607 | if (ifp->ifindex != IFINDEX_INTERNAL) { |
608 | /* | |
609 | * This should never happen, since we checked if there was | |
610 | * already an interface with the desired ifindex at the top of | |
611 | * the function. Nevertheless. | |
612 | */ | |
613 | if (IFINDEX_RB_INSERT(vrf, ifp)) | |
614 | return -1; | |
615 | } | |
616 | ||
617 | return 0; | |
ff880b78 RW |
618 | } |
619 | ||
d5c65bf1 SW |
620 | void if_set_name(struct interface *ifp, const char *name) |
621 | { | |
622 | struct vrf *vrf; | |
623 | ||
624 | vrf = vrf_get(ifp->vrf_id, NULL); | |
625 | assert(vrf); | |
626 | ||
627 | if (if_cmp_name_func(ifp->name, name) == 0) | |
628 | return; | |
629 | ||
630 | if (ifp->name[0] != '\0') | |
631 | IFNAME_RB_REMOVE(vrf, ifp); | |
632 | ||
633 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
634 | ||
635 | if (ifp->name[0] != '\0') | |
636 | IFNAME_RB_INSERT(vrf, ifp); | |
637 | } | |
638 | ||
718e3744 | 639 | /* Does interface up ? */ |
6339042c | 640 | int if_is_up(const struct interface *ifp) |
718e3744 | 641 | { |
d62a17ae | 642 | return ifp->flags & IFF_UP; |
718e3744 | 643 | } |
644 | ||
2e3b2e47 | 645 | /* Is interface running? */ |
6339042c | 646 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 647 | { |
d62a17ae | 648 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 649 | } |
650 | ||
651 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
652 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
653 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 654 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 655 | { |
d62a17ae | 656 | return ((ifp->flags & IFF_UP) |
657 | && (((ifp->flags & IFF_RUNNING) | |
658 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
659 | || !CHECK_FLAG(ifp->status, | |
660 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
661 | } |
662 | ||
663 | /* Is the interface operative, eg. either UP & RUNNING | |
664 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 665 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 666 | { |
d62a17ae | 667 | return ((ifp->flags & IFF_UP) |
668 | && ((ifp->flags & IFF_RUNNING) | |
669 | || !CHECK_FLAG(ifp->status, | |
670 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 671 | } |
672 | ||
718e3744 | 673 | /* Is this loopback interface ? */ |
6339042c | 674 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 675 | { |
d62a17ae | 676 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
677 | * but Y on platform N? | |
678 | */ | |
679 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 680 | } |
681 | ||
0c74bbe0 | 682 | /* Check interface is VRF */ |
6339042c | 683 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
684 | { |
685 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
686 | } | |
687 | ||
6339042c | 688 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
689 | { |
690 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
691 | return true; | |
692 | ||
693 | return false; | |
694 | } | |
695 | ||
718e3744 | 696 | /* Does this interface support broadcast ? */ |
6339042c | 697 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 698 | { |
d62a17ae | 699 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 700 | } |
701 | ||
702 | /* Does this interface support broadcast ? */ | |
6339042c | 703 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 704 | { |
d62a17ae | 705 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 706 | } |
707 | ||
708 | /* Does this interface support multicast ? */ | |
6339042c | 709 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 710 | { |
d62a17ae | 711 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 712 | } |
713 | ||
714 | /* Printout flag information into log */ | |
d62a17ae | 715 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 716 | { |
d62a17ae | 717 | int separator = 0; |
718 | static char logbuf[BUFSIZ]; | |
719 | ||
720 | #define IFF_OUT_LOG(X, STR) \ | |
721 | if (flag & (X)) { \ | |
722 | if (separator) \ | |
3393df5c | 723 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 724 | else \ |
725 | separator = 1; \ | |
3393df5c | 726 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 727 | } |
718e3744 | 728 | |
d62a17ae | 729 | strlcpy(logbuf, "<", BUFSIZ); |
730 | IFF_OUT_LOG(IFF_UP, "UP"); | |
731 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
732 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
733 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
734 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
735 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
736 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
737 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
738 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
739 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
740 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
741 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
742 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
743 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
744 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
745 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
746 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
747 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
748 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
749 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
750 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
751 | ||
3393df5c | 752 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 753 | |
754 | return logbuf; | |
630c97ce | 755 | #undef IFF_OUT_LOG |
718e3744 | 756 | } |
757 | ||
758 | /* For debugging */ | |
d62a17ae | 759 | static void if_dump(const struct interface *ifp) |
718e3744 | 760 | { |
d62a17ae | 761 | struct listnode *node; |
762 | struct connected *c __attribute__((unused)); | |
763 | ||
a94fbcca DS |
764 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) { |
765 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
766 | ||
d62a17ae | 767 | zlog_info( |
a94fbcca | 768 | "Interface %s vrf %s(%u) index %d metric %d mtu %d " |
d62a17ae | 769 | "mtu6 %d %s", |
a94fbcca DS |
770 | ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, ifp->ifindex, |
771 | ifp->metric, ifp->mtu, ifp->mtu6, | |
772 | if_flag_dump(ifp->flags)); | |
773 | } | |
718e3744 | 774 | } |
775 | ||
776 | /* Interface printing for all interface. */ | |
d62a17ae | 777 | void if_dump_all(void) |
718e3744 | 778 | { |
d62a17ae | 779 | struct vrf *vrf; |
f4e14fdb | 780 | void *ifp; |
d62a17ae | 781 | |
a2addae8 | 782 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 783 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 784 | if_dump(ifp); |
718e3744 | 785 | } |
786 | ||
98954844 PJ |
787 | #ifdef SUNOS_5 |
788 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
789 | * a seperate struct interface for each logical interface, so config | |
790 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
791 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
792 | * interfaces can be fruitless, for that reason Quagga only tracks | |
793 | * the primary IP interface. | |
794 | * | |
795 | * We try accomodate SUNWzebra by: | |
796 | * - looking up the interface name, to see whether it exists, if so | |
797 | * its useable | |
798 | * - for protocol daemons, this could only because zebra told us of | |
799 | * the interface | |
800 | * - for zebra, only because it learnt from kernel | |
801 | * - if not: | |
802 | * - search the name to see if it contains a sub-ipif / logical interface | |
803 | * seperator, the ':' char. If it does: | |
804 | * - text up to that char must be the primary name - get that name. | |
805 | * if not: | |
806 | * - no idea, just get the name in its entirety. | |
807 | */ | |
a36898e7 | 808 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 809 | { |
d62a17ae | 810 | struct interface *ifp; |
bcc24579 | 811 | char *cp; |
d62a17ae | 812 | |
a36898e7 | 813 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 814 | return ifp; |
815 | ||
816 | /* hunt the primary interface name... */ | |
bcc24579 RW |
817 | cp = strchr(name, ':'); |
818 | if (cp) | |
819 | *cp = '\0'; | |
d62a17ae | 820 | |
a36898e7 | 821 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
822 | } |
823 | #endif /* SUNOS_5 */ | |
6b0655a2 | 824 | |
d7d73ffc | 825 | #if 0 |
718e3744 | 826 | /* For debug purpose. */ |
827 | DEFUN (show_address, | |
828 | show_address_cmd, | |
199d90a1 | 829 | "show address [vrf NAME]", |
718e3744 | 830 | SHOW_STR |
fcbee690 QY |
831 | "address\n" |
832 | VRF_CMD_HELP_STR) | |
718e3744 | 833 | { |
ac2914d3 DS |
834 | int idx_vrf = 3; |
835 | struct listnode *node; | |
836 | struct interface *ifp; | |
837 | struct connected *ifc; | |
838 | struct prefix *p; | |
839 | vrf_id_t vrf_id = VRF_DEFAULT; | |
840 | ||
841 | if (argc > 2) | |
842 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); | |
718e3744 | 843 | |
ac2914d3 DS |
844 | FOR_ALL_INTERFACES (vrf, ifp) { |
845 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
846 | p = ifc->address; | |
847 | ||
848 | if (p->family == AF_INET) | |
849 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
850 | } | |
718e3744 | 851 | } |
ac2914d3 | 852 | return CMD_SUCCESS; |
718e3744 | 853 | } |
854 | ||
8736158a FL |
855 | DEFUN (show_address_vrf_all, |
856 | show_address_vrf_all_cmd, | |
9ccf14f7 | 857 | "show address vrf all", |
8736158a FL |
858 | SHOW_STR |
859 | "address\n" | |
860 | VRF_ALL_CMD_HELP_STR) | |
861 | { | |
ac2914d3 DS |
862 | struct vrf *vrf; |
863 | struct listnode *node; | |
864 | struct interface *ifp; | |
865 | struct connected *ifc; | |
866 | struct prefix *p; | |
867 | ||
868 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) | |
869 | { | |
870 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) | |
871 | continue; | |
872 | ||
a94fbcca DS |
873 | vty_out (vty, "\nVRF %s(%u)\n\n", |
874 | VRF_LOGNAME(vrf), vrf->vrf_id); | |
ac2914d3 DS |
875 | |
876 | FOR_ALL_INTERFACES (vrf, ifp) { | |
877 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
878 | p = ifc->address; | |
879 | ||
880 | if (p->family == AF_INET) | |
881 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
882 | } | |
883 | } | |
884 | } | |
885 | return CMD_SUCCESS; | |
8736158a | 886 | } |
d7d73ffc | 887 | #endif |
8736158a | 888 | |
718e3744 | 889 | /* Allocate connected structure. */ |
d62a17ae | 890 | struct connected *connected_new(void) |
718e3744 | 891 | { |
d62a17ae | 892 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 893 | } |
894 | ||
a80beece | 895 | /* Allocate nbr connected structure. */ |
d62a17ae | 896 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 897 | { |
d62a17ae | 898 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
899 | } |
900 | ||
718e3744 | 901 | /* Free connected structure. */ |
721c0857 | 902 | void connected_free(struct connected **connected) |
718e3744 | 903 | { |
721c0857 DS |
904 | struct connected *ptr = *connected; |
905 | ||
8fa77bc6 DA |
906 | prefix_free(&ptr->address); |
907 | prefix_free(&ptr->destination); | |
718e3744 | 908 | |
721c0857 | 909 | XFREE(MTYPE_CONNECTED_LABEL, ptr->label); |
718e3744 | 910 | |
721c0857 DS |
911 | XFREE(MTYPE_CONNECTED, ptr); |
912 | *connected = NULL; | |
718e3744 | 913 | } |
914 | ||
a80beece | 915 | /* Free nbr connected structure. */ |
d62a17ae | 916 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 917 | { |
d62a17ae | 918 | if (connected->address) |
63265b5c | 919 | prefix_free(&connected->address); |
a80beece | 920 | |
d62a17ae | 921 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
922 | } |
923 | ||
924 | /* If same interface nbr address already exists... */ | |
d62a17ae | 925 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
926 | struct prefix *p) | |
a80beece | 927 | { |
d62a17ae | 928 | struct nbr_connected *ifc; |
929 | struct listnode *node; | |
a80beece | 930 | |
d62a17ae | 931 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
932 | if (prefix_same(ifc->address, p)) | |
933 | return ifc; | |
a80beece | 934 | |
d62a17ae | 935 | return NULL; |
a80beece DS |
936 | } |
937 | ||
718e3744 | 938 | /* Print if_addr structure. */ |
d62a17ae | 939 | static void __attribute__((unused)) |
940 | connected_log(struct connected *connected, char *str) | |
718e3744 | 941 | { |
d62a17ae | 942 | struct prefix *p; |
943 | struct interface *ifp; | |
a94fbcca | 944 | struct vrf *vrf; |
d62a17ae | 945 | char logbuf[BUFSIZ]; |
946 | char buf[BUFSIZ]; | |
947 | ||
948 | ifp = connected->ifp; | |
949 | p = connected->address; | |
950 | ||
a94fbcca DS |
951 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
952 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %s(%u) %s %s/%d ", str, | |
953 | ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, prefix_family_str(p), | |
d62a17ae | 954 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
955 | ||
956 | p = connected->destination; | |
957 | if (p) { | |
958 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
959 | BUFSIZ - strlen(logbuf)); | |
960 | } | |
961 | zlog_info("%s", logbuf); | |
718e3744 | 962 | } |
963 | ||
a80beece | 964 | /* Print if_addr structure. */ |
d62a17ae | 965 | static void __attribute__((unused)) |
966 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 967 | { |
d62a17ae | 968 | struct prefix *p; |
969 | struct interface *ifp; | |
970 | char logbuf[BUFSIZ]; | |
971 | char buf[BUFSIZ]; | |
a80beece | 972 | |
d62a17ae | 973 | ifp = connected->ifp; |
974 | p = connected->address; | |
a80beece | 975 | |
d62a17ae | 976 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
977 | prefix_family_str(p), | |
978 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 979 | |
d62a17ae | 980 | zlog_info("%s", logbuf); |
a80beece DS |
981 | } |
982 | ||
718e3744 | 983 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 984 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 985 | { |
d62a17ae | 986 | if (p1->family == p2->family) { |
987 | if (p1->family == AF_INET | |
988 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
989 | return 1; | |
990 | if (p1->family == AF_INET6 | |
991 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
992 | return 1; | |
993 | } | |
994 | return 0; | |
718e3744 | 995 | } |
996 | ||
457ea8d4 GN |
997 | /* count the number of connected addresses that are in the given family */ |
998 | unsigned int connected_count_by_family(struct interface *ifp, int family) | |
999 | { | |
1000 | struct listnode *cnode; | |
1001 | struct connected *connected; | |
1002 | unsigned int cnt = 0; | |
1003 | ||
1004 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) | |
1005 | if (connected->address->family == family) | |
1006 | cnt++; | |
1007 | ||
1008 | return cnt; | |
1009 | } | |
1010 | ||
d62a17ae | 1011 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
1012 | struct prefix *p) | |
38485402 | 1013 | { |
d62a17ae | 1014 | struct listnode *node; |
1015 | struct listnode *next; | |
1016 | struct connected *ifc; | |
38485402 | 1017 | |
d62a17ae | 1018 | for (node = listhead(ifp->connected); node; node = next) { |
1019 | ifc = listgetdata(node); | |
1020 | next = node->next; | |
38485402 | 1021 | |
d62a17ae | 1022 | if (connected_same_prefix(ifc->address, p)) |
1023 | return ifc; | |
1024 | } | |
1025 | return NULL; | |
38485402 DS |
1026 | } |
1027 | ||
d62a17ae | 1028 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
1029 | struct prefix *p) | |
718e3744 | 1030 | { |
d62a17ae | 1031 | struct listnode *node; |
1032 | struct listnode *next; | |
1033 | struct connected *ifc; | |
1034 | ||
1035 | /* In case of same prefix come, replace it with new one. */ | |
1036 | for (node = listhead(ifp->connected); node; node = next) { | |
1037 | ifc = listgetdata(node); | |
1038 | next = node->next; | |
1039 | ||
1040 | if (connected_same_prefix(ifc->address, p)) { | |
1041 | listnode_delete(ifp->connected, ifc); | |
1042 | return ifc; | |
1043 | } | |
718e3744 | 1044 | } |
d62a17ae | 1045 | return NULL; |
718e3744 | 1046 | } |
1047 | ||
bd40c341 | 1048 | /* Find the address on our side that will be used when packets |
727d104b | 1049 | are sent to dst. */ |
d62a17ae | 1050 | struct connected *connected_lookup_prefix(struct interface *ifp, |
1051 | struct prefix *addr) | |
727d104b | 1052 | { |
d62a17ae | 1053 | struct listnode *cnode; |
1054 | struct connected *c; | |
1055 | struct connected *match; | |
1056 | ||
1057 | match = NULL; | |
1058 | ||
1059 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
1060 | if (c->address && (c->address->family == addr->family) | |
1061 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
1062 | && (!match | |
1063 | || (c->address->prefixlen > match->address->prefixlen))) | |
1064 | match = c; | |
1065 | } | |
1066 | return match; | |
727d104b | 1067 | } |
1068 | ||
d62a17ae | 1069 | struct connected *connected_add_by_prefix(struct interface *ifp, |
1070 | struct prefix *p, | |
1071 | struct prefix *destination) | |
4a7aac1b | 1072 | { |
d62a17ae | 1073 | struct connected *ifc; |
4a7aac1b | 1074 | |
d62a17ae | 1075 | /* Allocate new connected address. */ |
1076 | ifc = connected_new(); | |
1077 | ifc->ifp = ifp; | |
4a7aac1b | 1078 | |
d62a17ae | 1079 | /* Fetch interface address */ |
1080 | ifc->address = prefix_new(); | |
1081 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1082 | |
d62a17ae | 1083 | /* Fetch dest address */ |
1084 | if (destination) { | |
1085 | ifc->destination = prefix_new(); | |
1086 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1087 | } | |
4a7aac1b | 1088 | |
d62a17ae | 1089 | /* Add connected address to the interface. */ |
1090 | listnode_add(ifp->connected, ifc); | |
1091 | return ifc; | |
4a7aac1b | 1092 | } |
1093 | ||
667179ca QY |
1094 | struct connected *connected_get_linklocal(struct interface *ifp) |
1095 | { | |
1096 | struct listnode *n; | |
1097 | struct connected *c = NULL; | |
1098 | ||
1099 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
1100 | if (c->address->family == AF_INET6 | |
1101 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
1102 | break; | |
1103 | } | |
1104 | return c; | |
1105 | } | |
1106 | ||
d62a17ae | 1107 | #if 0 /* this route_table of struct connected's is unused \ |
1108 | * however, it would be good to use a route_table rather than \ | |
1109 | * a list.. \ | |
1110 | */ | |
718e3744 | 1111 | /* Interface looking up by interface's address. */ |
718e3744 | 1112 | /* Interface's IPv4 address reverse lookup table. */ |
1113 | struct route_table *ifaddr_ipv4_table; | |
1114 | /* struct route_table *ifaddr_ipv6_table; */ | |
1115 | ||
8cc4198f | 1116 | static void |
718e3744 | 1117 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1118 | { | |
1119 | struct route_node *rn; | |
1120 | struct prefix_ipv4 p; | |
1121 | ||
1122 | p.family = AF_INET; | |
1123 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1124 | p.prefix = *ifaddr; | |
1125 | ||
1126 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1127 | if (rn) | |
1128 | { | |
1129 | route_unlock_node (rn); | |
1130 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1131 | inet_ntoa (*ifaddr)); | |
1132 | return; | |
1133 | } | |
1134 | rn->info = ifp; | |
1135 | } | |
1136 | ||
8cc4198f | 1137 | static void |
718e3744 | 1138 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1139 | { | |
1140 | struct route_node *rn; | |
1141 | struct prefix_ipv4 p; | |
1142 | ||
1143 | p.family = AF_INET; | |
1144 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1145 | p.prefix = *ifaddr; | |
1146 | ||
1147 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1148 | if (! rn) | |
1149 | { | |
1150 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1151 | inet_ntoa (*ifaddr)); | |
1152 | return; | |
1153 | } | |
1154 | rn->info = NULL; | |
1155 | route_unlock_node (rn); | |
1156 | route_unlock_node (rn); | |
1157 | } | |
1158 | ||
1159 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1160 | static struct interface * |
b892f1dd | 1161 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1162 | { |
1163 | struct prefix_ipv4 p; | |
1164 | struct route_node *rn; | |
1165 | struct interface *ifp; | |
718e3744 | 1166 | |
1167 | if (addr) | |
1168 | { | |
1169 | p.family = AF_INET; | |
1170 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1171 | p.prefix = *addr; | |
1172 | ||
1173 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1174 | if (! rn) | |
1175 | return NULL; | |
55cd0f61 | 1176 | |
718e3744 | 1177 | ifp = rn->info; |
1178 | route_unlock_node (rn); | |
1179 | return ifp; | |
1180 | } | |
1181 | else | |
7e2b7603 | 1182 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1183 | } |
8cc4198f | 1184 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1185 | |
f4e14fdb | 1186 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1187 | { |
f4e14fdb | 1188 | struct interface *ifp; |
4bd045d5 | 1189 | |
55cd0f61 DS |
1190 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1191 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1192 | ||
d62a17ae | 1193 | if (ifp->node) { |
1194 | ifp->node->info = NULL; | |
1195 | route_unlock_node(ifp->node); | |
1196 | } | |
f609709a | 1197 | if_delete(&ifp); |
d62a17ae | 1198 | } |
4bd045d5 | 1199 | } |
8ccc7e80 | 1200 | |
d62a17ae | 1201 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1202 | { |
d62a17ae | 1203 | switch (llt) { |
8ccc7e80 | 1204 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1205 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1206 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1207 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1208 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1209 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1210 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1211 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1212 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1213 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1214 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1215 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1216 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1217 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1218 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1219 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1220 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1221 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1222 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1223 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1224 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1225 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1226 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1227 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1228 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1229 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1230 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1231 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1232 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1233 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1234 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1235 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1236 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1237 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1238 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1239 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1240 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1241 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1242 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1243 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1244 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1245 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1246 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1247 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1248 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1249 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1250 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1251 | default: | |
450971aa | 1252 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1253 | return "Unknown type!"; |
8ccc7e80 | 1254 | #undef llts |
d62a17ae | 1255 | } |
1256 | return NULL; | |
8ccc7e80 | 1257 | } |
16f1b9ee | 1258 | |
d62a17ae | 1259 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1260 | { |
d62a17ae | 1261 | int i; |
16f1b9ee | 1262 | |
d62a17ae | 1263 | if (ifp->link_params != NULL) |
1264 | return ifp->link_params; | |
16f1b9ee | 1265 | |
d62a17ae | 1266 | struct if_link_params *iflp = |
1267 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
16f1b9ee | 1268 | |
d62a17ae | 1269 | /* Set TE metric equal to standard metric */ |
1270 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1271 | |
d62a17ae | 1272 | /* Compute default bandwidth based on interface */ |
1273 | iflp->default_bw = | |
1274 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1275 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1276 | |
d62a17ae | 1277 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1278 | iflp->max_bw = iflp->default_bw; | |
1279 | iflp->max_rsv_bw = iflp->default_bw; | |
1280 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1281 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1282 | |
d62a17ae | 1283 | /* Update Link parameters status */ |
1284 | iflp->lp_status = | |
1285 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1286 | |
d62a17ae | 1287 | /* Finally attach newly created Link Parameters */ |
1288 | ifp->link_params = iflp; | |
16f1b9ee | 1289 | |
d62a17ae | 1290 | return iflp; |
16f1b9ee OD |
1291 | } |
1292 | ||
d62a17ae | 1293 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1294 | { |
d62a17ae | 1295 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); |
16f1b9ee | 1296 | } |
a4bed468 | 1297 | |
8f90d89b RW |
1298 | /* ----------- CLI commands ----------- */ |
1299 | ||
1300 | /* | |
1301 | * XPath: /frr-interface:lib/interface | |
1302 | */ | |
1303 | DEFPY_NOSH (interface, | |
1304 | interface_cmd, | |
e429a2a0 | 1305 | "interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1306 | "Select an interface to configure\n" |
1307 | "Interface's name\n" | |
1308 | VRF_CMD_HELP_STR) | |
1309 | { | |
1310 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1311 | vrf_id_t vrf_id; |
1312 | struct interface *ifp; | |
8f90d89b RW |
1313 | int ret; |
1314 | ||
e429a2a0 IR |
1315 | if (!vrf_name) |
1316 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b RW |
1317 | |
1318 | /* | |
1319 | * This command requires special handling to maintain backward | |
1320 | * compatibility. If a VRF name is not specified, it means we're willing | |
1321 | * to accept any interface with the given name on any VRF. If no | |
1322 | * interface is found, then a new one should be created on the default | |
1323 | * VRF. | |
1324 | */ | |
e429a2a0 | 1325 | VRF_GET_ID(vrf_id, vrf_name, false); |
a36898e7 DS |
1326 | ifp = if_lookup_by_name_all_vrf(ifname); |
1327 | if (ifp && ifp->vrf_id != vrf_id) { | |
1328 | struct vrf *vrf; | |
1329 | ||
8f90d89b RW |
1330 | /* |
1331 | * Special case 1: a VRF name was specified, but the found | |
1332 | * interface is associated to different VRF. Reject the command. | |
1333 | */ | |
a36898e7 | 1334 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b | 1335 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
e429a2a0 | 1336 | vrf_name); |
8f90d89b RW |
1337 | return CMD_WARNING_CONFIG_FAILED; |
1338 | } | |
1339 | ||
1340 | /* | |
1341 | * Special case 2: a VRF name was *not* specified, and the found | |
1342 | * interface is associated to a VRF other than the default one. | |
e429a2a0 | 1343 | * Update vrf_id and vrf_name to account for that. |
8f90d89b | 1344 | */ |
a36898e7 | 1345 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1346 | assert(vrf); |
a36898e7 | 1347 | vrf_id = ifp->vrf_id; |
e429a2a0 | 1348 | vrf_name = vrf->name; |
8f90d89b RW |
1349 | } |
1350 | ||
1351 | snprintf(xpath_list, sizeof(xpath_list), | |
1352 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
e429a2a0 | 1353 | vrf_name); |
8f90d89b | 1354 | |
a6233bfc RW |
1355 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1356 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1357 | if (ret == CMD_SUCCESS) { |
1358 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1359 | ||
1360 | /* | |
1361 | * For backward compatibility with old commands we still need | |
1362 | * to use the qobj infrastructure. This can be removed once | |
1363 | * all interface-level commands are converted to the new | |
1364 | * northbound model. | |
1365 | */ | |
a36898e7 | 1366 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1367 | if (ifp) |
1368 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1369 | } | |
1370 | ||
1371 | return ret; | |
1372 | } | |
1373 | ||
1374 | DEFPY (no_interface, | |
1375 | no_interface_cmd, | |
e429a2a0 | 1376 | "no interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1377 | NO_STR |
1378 | "Delete a pseudo interface's configuration\n" | |
1379 | "Interface's name\n" | |
1380 | VRF_CMD_HELP_STR) | |
1381 | { | |
e429a2a0 IR |
1382 | if (!vrf_name) |
1383 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b | 1384 | |
95ce849b | 1385 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1386 | |
a6233bfc RW |
1387 | return nb_cli_apply_changes( |
1388 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
e429a2a0 | 1389 | ifname, vrf_name); |
8f90d89b RW |
1390 | } |
1391 | ||
1392 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1393 | bool show_defaults) | |
1394 | { | |
1395 | const char *vrf; | |
1396 | ||
1397 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1398 | ||
1399 | vty_out(vty, "!\n"); | |
1400 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1401 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1402 | vty_out(vty, " vrf %s", vrf); | |
1403 | vty_out(vty, "\n"); | |
1404 | } | |
1405 | ||
1406 | /* | |
1407 | * XPath: /frr-interface:lib/interface/description | |
1408 | */ | |
1409 | DEFPY (interface_desc, | |
1410 | interface_desc_cmd, | |
1411 | "description LINE...", | |
1412 | "Interface specific description\n" | |
1413 | "Characters describing this interface\n") | |
1414 | { | |
8f90d89b RW |
1415 | char *desc; |
1416 | int ret; | |
1417 | ||
1418 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1419 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1420 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1421 | XFREE(MTYPE_TMP, desc); |
1422 | ||
1423 | return ret; | |
1424 | } | |
1425 | ||
1426 | DEFPY (no_interface_desc, | |
1427 | no_interface_desc_cmd, | |
1428 | "no description", | |
1429 | NO_STR | |
1430 | "Interface specific description\n") | |
1431 | { | |
95ce849b | 1432 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1433 | |
1434 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1435 | } |
1436 | ||
1437 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1438 | bool show_defaults) | |
1439 | { | |
1440 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1441 | } | |
1442 | ||
1443 | /* Interface autocomplete. */ | |
1444 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1445 | { | |
1446 | struct interface *ifp; | |
1447 | struct vrf *vrf; | |
1448 | ||
1449 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1450 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1451 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1452 | } | |
1453 | } | |
1454 | } | |
1455 | ||
1456 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1457 | {/* "interface NAME" */ | |
1458 | .varname = "interface", | |
1459 | .completions = if_autocomplete}, | |
1460 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1461 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1462 | {.completions = NULL}}; | |
1463 | ||
1464 | void if_cmd_init(void) | |
1465 | { | |
1466 | cmd_variable_handler_register(if_var_handlers); | |
1467 | ||
1468 | install_element(CONFIG_NODE, &interface_cmd); | |
1469 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1470 | ||
1471 | install_default(INTERFACE_NODE); | |
1472 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1473 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1474 | } | |
1475 | ||
138c5a74 DS |
1476 | void if_zapi_callbacks(int (*create)(struct interface *ifp), |
1477 | int (*up)(struct interface *ifp), | |
1478 | int (*down)(struct interface *ifp), | |
1479 | int (*destroy)(struct interface *ifp)) | |
1480 | { | |
1481 | ifp_master.create_hook = create; | |
1482 | ifp_master.up_hook = up; | |
1483 | ifp_master.down_hook = down; | |
1484 | ifp_master.destroy_hook = destroy; | |
1485 | } | |
1486 | ||
a4bed468 RW |
1487 | /* ------- Northbound callbacks ------- */ |
1488 | ||
1489 | /* | |
1490 | * XPath: /frr-interface:lib/interface | |
1491 | */ | |
1492 | static int lib_interface_create(enum nb_event event, | |
1493 | const struct lyd_node *dnode, | |
1494 | union nb_resource *resource) | |
1495 | { | |
8f90d89b RW |
1496 | const char *ifname; |
1497 | const char *vrfname; | |
1498 | struct vrf *vrf; | |
a36898e7 | 1499 | struct interface *ifp; |
8f90d89b RW |
1500 | |
1501 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1502 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1503 | ||
1504 | switch (event) { | |
1505 | case NB_EV_VALIDATE: | |
1506 | vrf = vrf_lookup_by_name(vrfname); | |
1507 | if (!vrf) { | |
1508 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1509 | vrfname); | |
1510 | return NB_ERR_VALIDATION; | |
1511 | } | |
a36898e7 DS |
1512 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1513 | zlog_warn("%s: VRF %s is not active", __func__, | |
1514 | vrf->name); | |
1515 | return NB_ERR_VALIDATION; | |
1516 | } | |
72261ecd | 1517 | |
b0b97a7f PG |
1518 | /* if VRF is netns or not yet known - init for instance |
1519 | * then assumption is that passed config is exact | |
1520 | * then the user intent was not to use an other iface | |
1521 | */ | |
8f90d89b RW |
1522 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1523 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1524 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1525 | zlog_warn( |
1526 | "%s: interface %s already exists in another VRF", | |
1527 | __func__, ifp->name); | |
1528 | return NB_ERR_VALIDATION; | |
1529 | } | |
1530 | } | |
1531 | break; | |
1532 | case NB_EV_PREPARE: | |
1533 | case NB_EV_ABORT: | |
1534 | break; | |
1535 | case NB_EV_APPLY: | |
1536 | vrf = vrf_lookup_by_name(vrfname); | |
1537 | assert(vrf); | |
1538 | #ifdef SUNOS_5 | |
a36898e7 | 1539 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1540 | #else |
a36898e7 | 1541 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1542 | #endif /* SUNOS_5 */ |
1d311a05 DS |
1543 | |
1544 | ifp->configured = true; | |
ccd43ada | 1545 | nb_running_set_entry(dnode, ifp); |
8f90d89b RW |
1546 | break; |
1547 | } | |
1548 | ||
a4bed468 RW |
1549 | return NB_OK; |
1550 | } | |
1551 | ||
6a3fdeec RW |
1552 | static int lib_interface_destroy(enum nb_event event, |
1553 | const struct lyd_node *dnode) | |
a4bed468 | 1554 | { |
8f90d89b RW |
1555 | struct interface *ifp; |
1556 | ||
8f90d89b RW |
1557 | |
1558 | switch (event) { | |
1559 | case NB_EV_VALIDATE: | |
ccd43ada | 1560 | ifp = nb_running_get_entry(dnode, NULL, true); |
8f90d89b RW |
1561 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
1562 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1563 | __func__); | |
1564 | return NB_ERR_VALIDATION; | |
1565 | } | |
1566 | break; | |
1567 | case NB_EV_PREPARE: | |
1568 | case NB_EV_ABORT: | |
1569 | break; | |
1570 | case NB_EV_APPLY: | |
ccd43ada | 1571 | ifp = nb_running_unset_entry(dnode); |
1d311a05 DS |
1572 | |
1573 | ifp->configured = false; | |
f609709a | 1574 | if_delete(&ifp); |
8f90d89b RW |
1575 | break; |
1576 | } | |
1577 | ||
a4bed468 RW |
1578 | return NB_OK; |
1579 | } | |
1580 | ||
f88647ef QY |
1581 | /* |
1582 | * XPath: /frr-interface:lib/interface | |
1583 | */ | |
1584 | static const void *lib_interface_get_next(const void *parent_list_entry, | |
1585 | const void *list_entry) | |
1586 | { | |
1587 | struct vrf *vrf; | |
1588 | struct interface *pif = (struct interface *)list_entry; | |
1589 | ||
1590 | if (list_entry == NULL) { | |
1591 | vrf = RB_MIN(vrf_name_head, &vrfs_by_name); | |
1592 | assert(vrf); | |
1593 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1594 | } else { | |
1595 | vrf = vrf_lookup_by_id(pif->vrf_id); | |
1596 | pif = RB_NEXT(if_name_head, pif); | |
1597 | /* if no more interfaces, switch to next vrf */ | |
1598 | while (pif == NULL) { | |
1599 | vrf = RB_NEXT(vrf_name_head, vrf); | |
1600 | if (!vrf) | |
1601 | return NULL; | |
1602 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | return pif; | |
1607 | } | |
1608 | ||
1609 | static int lib_interface_get_keys(const void *list_entry, | |
1610 | struct yang_list_keys *keys) | |
1611 | { | |
1612 | const struct interface *ifp = list_entry; | |
1613 | ||
1614 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1615 | ||
1616 | assert(vrf); | |
1617 | ||
1618 | keys->num = 2; | |
1619 | strlcpy(keys->key[0], ifp->name, sizeof(keys->key[0])); | |
1620 | strlcpy(keys->key[1], vrf->name, sizeof(keys->key[1])); | |
1621 | ||
1622 | return NB_OK; | |
1623 | } | |
1624 | ||
1625 | static const void *lib_interface_lookup_entry(const void *parent_list_entry, | |
1626 | const struct yang_list_keys *keys) | |
1627 | { | |
1628 | const char *ifname = keys->key[0]; | |
1629 | const char *vrfname = keys->key[1]; | |
1630 | struct vrf *vrf = vrf_lookup_by_name(vrfname); | |
1631 | ||
68a4422d | 1632 | return vrf ? if_lookup_by_name(ifname, vrf->vrf_id) : NULL; |
f88647ef QY |
1633 | } |
1634 | ||
a4bed468 RW |
1635 | /* |
1636 | * XPath: /frr-interface:lib/interface/description | |
1637 | */ | |
1638 | static int lib_interface_description_modify(enum nb_event event, | |
1639 | const struct lyd_node *dnode, | |
1640 | union nb_resource *resource) | |
1641 | { | |
8f90d89b RW |
1642 | struct interface *ifp; |
1643 | const char *description; | |
1644 | ||
1645 | if (event != NB_EV_APPLY) | |
1646 | return NB_OK; | |
1647 | ||
ccd43ada | 1648 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1649 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1650 | description = yang_dnode_get_string(dnode, NULL); |
1651 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1652 | ||
a4bed468 RW |
1653 | return NB_OK; |
1654 | } | |
1655 | ||
6a3fdeec RW |
1656 | static int lib_interface_description_destroy(enum nb_event event, |
1657 | const struct lyd_node *dnode) | |
a4bed468 | 1658 | { |
8f90d89b RW |
1659 | struct interface *ifp; |
1660 | ||
1661 | if (event != NB_EV_APPLY) | |
1662 | return NB_OK; | |
1663 | ||
ccd43ada | 1664 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1665 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1666 | |
a4bed468 RW |
1667 | return NB_OK; |
1668 | } | |
1669 | ||
4e0a7355 CS |
1670 | /* |
1671 | * XPath: /frr-interface:lib/interface/state/if-index | |
1672 | */ | |
1673 | struct yang_data *lib_interface_state_if_index_get_elem(const char *xpath, | |
1674 | const void *list_entry) | |
1675 | { | |
1676 | const struct interface *ifp = list_entry; | |
1677 | ||
1678 | return yang_data_new_int32(xpath, ifp->ifindex); | |
1679 | } | |
1680 | ||
1681 | /* | |
1682 | * XPath: /frr-interface:lib/interface/state/mtu | |
1683 | */ | |
1684 | struct yang_data *lib_interface_state_mtu_get_elem(const char *xpath, | |
1685 | const void *list_entry) | |
1686 | { | |
1687 | const struct interface *ifp = list_entry; | |
1688 | ||
1689 | return yang_data_new_uint16(xpath, ifp->mtu); | |
1690 | } | |
1691 | ||
1692 | /* | |
1693 | * XPath: /frr-interface:lib/interface/state/mtu6 | |
1694 | */ | |
1695 | struct yang_data *lib_interface_state_mtu6_get_elem(const char *xpath, | |
1696 | const void *list_entry) | |
1697 | { | |
1698 | const struct interface *ifp = list_entry; | |
1699 | ||
1700 | return yang_data_new_uint32(xpath, ifp->mtu6); | |
1701 | } | |
1702 | ||
1703 | /* | |
1704 | * XPath: /frr-interface:lib/interface/state/speed | |
1705 | */ | |
1706 | struct yang_data *lib_interface_state_speed_get_elem(const char *xpath, | |
1707 | const void *list_entry) | |
1708 | { | |
1709 | const struct interface *ifp = list_entry; | |
1710 | ||
1711 | return yang_data_new_uint32(xpath, ifp->speed); | |
1712 | } | |
1713 | ||
1714 | /* | |
1715 | * XPath: /frr-interface:lib/interface/state/metric | |
1716 | */ | |
1717 | struct yang_data *lib_interface_state_metric_get_elem(const char *xpath, | |
1718 | const void *list_entry) | |
1719 | { | |
1720 | const struct interface *ifp = list_entry; | |
1721 | ||
1722 | return yang_data_new_uint32(xpath, ifp->metric); | |
1723 | } | |
1724 | ||
1725 | /* | |
1726 | * XPath: /frr-interface:lib/interface/state/flags | |
1727 | */ | |
1728 | struct yang_data *lib_interface_state_flags_get_elem(const char *xpath, | |
1729 | const void *list_entry) | |
1730 | { | |
1731 | /* TODO: implement me. */ | |
1732 | return NULL; | |
1733 | } | |
1734 | ||
1735 | /* | |
1736 | * XPath: /frr-interface:lib/interface/state/type | |
1737 | */ | |
1738 | struct yang_data *lib_interface_state_type_get_elem(const char *xpath, | |
1739 | const void *list_entry) | |
1740 | { | |
1741 | /* TODO: implement me. */ | |
1742 | return NULL; | |
1743 | } | |
1744 | ||
1745 | /* | |
1746 | * XPath: /frr-interface:lib/interface/state/phy-address | |
1747 | */ | |
1748 | struct yang_data * | |
1749 | lib_interface_state_phy_address_get_elem(const char *xpath, | |
1750 | const void *list_entry) | |
1751 | { | |
1752 | const struct interface *ifp = list_entry; | |
1753 | struct ethaddr macaddr; | |
1754 | ||
1755 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1756 | ||
1757 | return yang_data_new_mac(xpath, &macaddr); | |
1758 | } | |
1759 | ||
a4bed468 RW |
1760 | /* clang-format off */ |
1761 | const struct frr_yang_module_info frr_interface_info = { | |
1762 | .name = "frr-interface", | |
1763 | .nodes = { | |
1764 | { | |
1765 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1766 | .cbs = { |
1767 | .create = lib_interface_create, | |
1768 | .destroy = lib_interface_destroy, | |
1769 | .cli_show = cli_show_interface, | |
f88647ef QY |
1770 | .get_next = lib_interface_get_next, |
1771 | .get_keys = lib_interface_get_keys, | |
1772 | .lookup_entry = lib_interface_lookup_entry, | |
53280f93 | 1773 | }, |
a4bed468 RW |
1774 | }, |
1775 | { | |
1776 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1777 | .cbs = { |
1778 | .modify = lib_interface_description_modify, | |
1779 | .destroy = lib_interface_description_destroy, | |
1780 | .cli_show = cli_show_interface_desc, | |
1781 | }, | |
a4bed468 | 1782 | }, |
4e0a7355 CS |
1783 | { |
1784 | .xpath = "/frr-interface:lib/interface/state/if-index", | |
1785 | .cbs = { | |
1786 | .get_elem = lib_interface_state_if_index_get_elem, | |
1787 | } | |
1788 | }, | |
1789 | { | |
1790 | .xpath = "/frr-interface:lib/interface/state/mtu", | |
1791 | .cbs = { | |
1792 | .get_elem = lib_interface_state_mtu_get_elem, | |
1793 | } | |
1794 | }, | |
1795 | { | |
1796 | .xpath = "/frr-interface:lib/interface/state/mtu6", | |
1797 | .cbs = { | |
1798 | .get_elem = lib_interface_state_mtu6_get_elem, | |
1799 | } | |
1800 | }, | |
1801 | { | |
1802 | .xpath = "/frr-interface:lib/interface/state/speed", | |
1803 | .cbs = { | |
1804 | .get_elem = lib_interface_state_speed_get_elem, | |
1805 | } | |
1806 | }, | |
1807 | { | |
1808 | .xpath = "/frr-interface:lib/interface/state/metric", | |
1809 | .cbs = { | |
1810 | .get_elem = lib_interface_state_metric_get_elem, | |
1811 | } | |
1812 | }, | |
1813 | { | |
1814 | .xpath = "/frr-interface:lib/interface/state/flags", | |
1815 | .cbs = { | |
1816 | .get_elem = lib_interface_state_flags_get_elem, | |
1817 | } | |
1818 | }, | |
1819 | { | |
1820 | .xpath = "/frr-interface:lib/interface/state/type", | |
1821 | .cbs = { | |
1822 | .get_elem = lib_interface_state_type_get_elem, | |
1823 | } | |
1824 | }, | |
1825 | { | |
1826 | .xpath = "/frr-interface:lib/interface/state/phy-address", | |
1827 | .cbs = { | |
1828 | .get_elem = lib_interface_state_phy_address_get_elem, | |
1829 | } | |
1830 | }, | |
a4bed468 RW |
1831 | { |
1832 | .xpath = NULL, | |
1833 | }, | |
1834 | } | |
1835 | }; |