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Commit | Line | Data |
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d62a17ae | 1 | /* |
718e3744 | 2 | * Interface functions. |
3 | * Copyright (C) 1997, 98 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
896014f4 | 6 | * |
718e3744 | 7 | * GNU Zebra is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published | |
9 | * by the Free Software Foundation; either version 2, or (at your | |
10 | * option) any later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "linklist.h" | |
25 | #include "vector.h" | |
4d43f68a | 26 | #include "lib_errors.h" |
718e3744 | 27 | #include "vty.h" |
28 | #include "command.h" | |
8736158a | 29 | #include "vrf.h" |
718e3744 | 30 | #include "if.h" |
31 | #include "sockunion.h" | |
32 | #include "prefix.h" | |
718e3744 | 33 | #include "memory.h" |
34 | #include "table.h" | |
35 | #include "buffer.h" | |
718e3744 | 36 | #include "log.h" |
8f90d89b RW |
37 | #include "northbound_cli.h" |
38 | #ifndef VTYSH_EXTRACT_PL | |
39 | #include "lib/if_clippy.c" | |
40 | #endif | |
6b0655a2 | 41 | |
eaf58ba9 | 42 | DEFINE_MTYPE_STATIC(LIB, IF, "Interface") |
d62a17ae | 43 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") |
44 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
45 | DEFINE_MTYPE(LIB, CONNECTED_LABEL, "Connected interface label") | |
46 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
4a1ab8e4 | 47 | |
47b474b5 DD |
48 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, |
49 | vrf_id_t vrf_id); | |
f4e14fdb | 50 | static int if_cmp_func(const struct interface *, const struct interface *); |
ff880b78 RW |
51 | static int if_cmp_index_func(const struct interface *ifp1, |
52 | const struct interface *ifp2); | |
f4e14fdb | 53 | RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); |
ff880b78 | 54 | RB_GENERATE(if_index_head, interface, index_entry, if_cmp_index_func); |
f4e14fdb | 55 | |
e80e7cce DL |
56 | DEFINE_QOBJ_TYPE(interface) |
57 | ||
996c9314 LB |
58 | DEFINE_HOOK(if_add, (struct interface * ifp), (ifp)) |
59 | DEFINE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 60 | |
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 | { | |
140 | return ifp1->ifindex - ifp2->ifindex; | |
141 | } | |
142 | ||
721c0857 DS |
143 | static void ifp_connected_free(void *arg) |
144 | { | |
145 | struct connected *c = arg; | |
146 | ||
147 | connected_free(&c); | |
148 | } | |
149 | ||
718e3744 | 150 | /* Create new interface structure. */ |
d5c65bf1 | 151 | static struct interface *if_new(vrf_id_t vrf_id) |
718e3744 | 152 | { |
d62a17ae | 153 | struct interface *ifp; |
d62a17ae | 154 | |
155 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
ea7ec261 | 156 | |
d5c65bf1 SW |
157 | ifp->ifindex = IFINDEX_INTERNAL; |
158 | ifp->name[0] = '\0'; | |
ea7ec261 | 159 | |
d5c65bf1 | 160 | ifp->vrf_id = vrf_id; |
ea7ec261 | 161 | |
d62a17ae | 162 | ifp->connected = list_new(); |
721c0857 | 163 | ifp->connected->del = ifp_connected_free; |
d62a17ae | 164 | |
165 | ifp->nbr_connected = list_new(); | |
166 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
167 | ||
168 | /* Enable Link-detection by default */ | |
169 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
170 | ||
171 | QOBJ_REG(ifp, interface); | |
d62a17ae | 172 | return ifp; |
718e3744 | 173 | } |
174 | ||
ef7bd2a3 DS |
175 | void if_new_via_zapi(struct interface *ifp) |
176 | { | |
177 | if (ifp_master.create_hook) | |
178 | (*ifp_master.create_hook)(ifp); | |
179 | } | |
180 | ||
3c3c3252 DS |
181 | void if_destroy_via_zapi(struct interface *ifp) |
182 | { | |
183 | if (ifp_master.destroy_hook) | |
184 | (*ifp_master.destroy_hook)(ifp); | |
185 | ||
186 | if_set_index(ifp, IFINDEX_INTERNAL); | |
26f8f6fe | 187 | if (!ifp->configured) |
f609709a | 188 | if_delete(&ifp); |
3c3c3252 DS |
189 | } |
190 | ||
ddbf3e60 DS |
191 | void if_up_via_zapi(struct interface *ifp) |
192 | { | |
193 | if (ifp_master.up_hook) | |
194 | (*ifp_master.up_hook)(ifp); | |
195 | } | |
196 | ||
b0b69e59 DS |
197 | void if_down_via_zapi(struct interface *ifp) |
198 | { | |
199 | if (ifp_master.down_hook) | |
200 | (*ifp_master.down_hook)(ifp); | |
201 | } | |
202 | ||
d5c65bf1 | 203 | struct interface *if_create_name(const char *name, vrf_id_t vrf_id) |
ea7ec261 | 204 | { |
d5c65bf1 SW |
205 | struct interface *ifp; |
206 | ||
207 | ifp = if_new(vrf_id); | |
208 | ||
209 | if_set_name(ifp, name); | |
210 | ||
211 | hook_call(if_add, ifp); | |
212 | return ifp; | |
ea7ec261 DD |
213 | } |
214 | ||
215 | struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) | |
216 | { | |
d5c65bf1 SW |
217 | struct interface *ifp; |
218 | ||
219 | ifp = if_new(vrf_id); | |
220 | ||
221 | if_set_index(ifp, ifindex); | |
222 | ||
223 | hook_call(if_add, ifp); | |
224 | return ifp; | |
ea7ec261 DD |
225 | } |
226 | ||
a36898e7 DS |
227 | /* Create new interface structure. */ |
228 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) | |
f93e3f69 | 229 | { |
a36898e7 | 230 | struct vrf *old_vrf, *vrf; |
d62a17ae | 231 | |
232 | /* remove interface from old master vrf list */ | |
a36898e7 | 233 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 234 | if (old_vrf) { |
9685b1e4 SW |
235 | if (ifp->name[0] != '\0') |
236 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
237 | ||
ff880b78 | 238 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 239 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 240 | } |
d62a17ae | 241 | |
a36898e7 DS |
242 | ifp->vrf_id = vrf_id; |
243 | vrf = vrf_get(ifp->vrf_id, NULL); | |
ff880b78 | 244 | |
9685b1e4 SW |
245 | if (ifp->name[0] != '\0') |
246 | IFNAME_RB_INSERT(vrf, ifp); | |
247 | ||
ff880b78 RW |
248 | if (ifp->ifindex != IFINDEX_INTERNAL) |
249 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
250 | |
251 | /* | |
252 | * HACK: Change the interface VRF in the running configuration directly, | |
253 | * bypassing the northbound layer. This is necessary to avoid deleting | |
254 | * the interface and readding it in the new VRF, which would have | |
255 | * several implications. | |
256 | */ | |
257 | if (yang_module_find("frr-interface")) { | |
258 | struct lyd_node *if_dnode; | |
259 | ||
8685be73 RW |
260 | if_dnode = yang_dnode_get( |
261 | running_config->dnode, | |
262 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
263 | ifp->name, old_vrf->name); | |
264 | if (if_dnode) { | |
ced28861 | 265 | nb_running_unset_entry(if_dnode->parent); |
8685be73 | 266 | yang_dnode_change_leaf(if_dnode, vrf->name); |
ced28861 | 267 | nb_running_set_entry(if_dnode->parent, ifp); |
8685be73 | 268 | running_config->version++; |
8f90d89b RW |
269 | } |
270 | } | |
f93e3f69 DS |
271 | } |
272 | ||
8685be73 | 273 | |
d2fc8896 | 274 | /* Delete interface structure. */ |
d62a17ae | 275 | void if_delete_retain(struct interface *ifp) |
718e3744 | 276 | { |
996c9314 | 277 | hook_call(if_del, ifp); |
d62a17ae | 278 | QOBJ_UNREG(ifp); |
e80e7cce | 279 | |
d62a17ae | 280 | /* Free connected address list */ |
281 | list_delete_all_node(ifp->connected); | |
a80beece | 282 | |
d62a17ae | 283 | /* Free connected nbr address list */ |
284 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 285 | } |
286 | ||
287 | /* Delete and free interface structure. */ | |
f609709a | 288 | void if_delete(struct interface **ifp) |
d2fc8896 | 289 | { |
f609709a | 290 | struct interface *ptr = *ifp; |
a36898e7 | 291 | struct vrf *vrf; |
5b8524f5 | 292 | |
f609709a | 293 | vrf = vrf_lookup_by_id(ptr->vrf_id); |
5b8524f5 | 294 | assert(vrf); |
f4e14fdb | 295 | |
f609709a DS |
296 | IFNAME_RB_REMOVE(vrf, ptr); |
297 | if (ptr->ifindex != IFINDEX_INTERNAL) | |
298 | IFINDEX_RB_REMOVE(vrf, ptr); | |
d2fc8896 | 299 | |
f609709a | 300 | if_delete_retain(ptr); |
718e3744 | 301 | |
f609709a DS |
302 | list_delete(&ptr->connected); |
303 | list_delete(&ptr->nbr_connected); | |
2dd04c5d | 304 | |
f609709a | 305 | if_link_params_free(ptr); |
16f1b9ee | 306 | |
f609709a | 307 | XFREE(MTYPE_TMP, ptr->desc); |
c7974c0f | 308 | |
f609709a DS |
309 | XFREE(MTYPE_IF, ptr); |
310 | *ifp = NULL; | |
718e3744 | 311 | } |
312 | ||
47b474b5 DD |
313 | /* Used only internally to check within VRF only */ |
314 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, | |
315 | vrf_id_t vrf_id) | |
718e3744 | 316 | { |
5b8524f5 | 317 | struct vrf *vrf; |
ff880b78 | 318 | struct interface if_tmp; |
f4e14fdb | 319 | |
5b8524f5 RW |
320 | vrf = vrf_lookup_by_id(vrf_id); |
321 | if (!vrf) | |
322 | return NULL; | |
323 | ||
ff880b78 RW |
324 | if_tmp.ifindex = ifindex; |
325 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 326 | } |
327 | ||
47b474b5 DD |
328 | /* Interface existance check by index. */ |
329 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) | |
330 | { | |
331 | switch (vrf_get_backend()) { | |
332 | case VRF_BACKEND_UNKNOWN: | |
333 | case VRF_BACKEND_NETNS: | |
334 | return(if_lookup_by_ifindex(ifindex, vrf_id)); | |
335 | case VRF_BACKEND_VRF_LITE: | |
336 | return(if_lookup_by_index_all_vrf(ifindex)); | |
337 | } | |
338 | return NULL; | |
339 | } | |
340 | ||
d62a17ae | 341 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 342 | { |
d62a17ae | 343 | struct interface *ifp; |
718e3744 | 344 | |
d62a17ae | 345 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
346 | ? ifp->name | |
347 | : "unknown"; | |
d2fc8896 | 348 | } |
349 | ||
d62a17ae | 350 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 351 | { |
d62a17ae | 352 | struct interface *ifp; |
d2fc8896 | 353 | |
a36898e7 | 354 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 355 | ? ifp->ifindex |
356 | : IFINDEX_INTERNAL; | |
718e3744 | 357 | } |
358 | ||
359 | /* Interface existance check by interface name. */ | |
a36898e7 | 360 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 361 | { |
a36898e7 | 362 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
f4e14fdb | 363 | struct interface if_tmp; |
d62a17ae | 364 | |
5b8524f5 RW |
365 | if (!vrf || !name |
366 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 367 | return NULL; |
f8962871 | 368 | |
f4e14fdb RW |
369 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
370 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
371 | } |
372 | ||
bcc24579 | 373 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 374 | { |
bcc24579 | 375 | struct vrf *vrf; |
d62a17ae | 376 | struct interface *ifp; |
a349198f | 377 | |
bcc24579 | 378 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 379 | return NULL; |
a349198f | 380 | |
bcc24579 | 381 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
a36898e7 | 382 | ifp = if_lookup_by_name(name, vrf->vrf_id); |
bcc24579 | 383 | if (ifp) |
d62a17ae | 384 | return ifp; |
385 | } | |
bcc24579 | 386 | |
d62a17ae | 387 | return NULL; |
a349198f | 388 | } |
389 | ||
ea7ec261 DD |
390 | struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex) |
391 | { | |
392 | struct vrf *vrf; | |
393 | struct interface *ifp; | |
394 | ||
395 | if (ifindex == IFINDEX_INTERNAL) | |
396 | return NULL; | |
397 | ||
398 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
47b474b5 | 399 | ifp = if_lookup_by_ifindex(ifindex, vrf->vrf_id); |
ea7ec261 DD |
400 | if (ifp) |
401 | return ifp; | |
402 | } | |
403 | ||
404 | return NULL; | |
405 | } | |
406 | ||
3923b6e3 | 407 | /* Lookup interface by IP address. */ |
d62a17ae | 408 | struct interface *if_lookup_exact_address(void *src, int family, |
409 | vrf_id_t vrf_id) | |
718e3744 | 410 | { |
f4e14fdb | 411 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 412 | struct listnode *cnode; |
413 | struct interface *ifp; | |
414 | struct prefix *p; | |
415 | struct connected *c; | |
416 | ||
451fda4f | 417 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 418 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
419 | p = c->address; | |
420 | ||
421 | if (p && (p->family == family)) { | |
422 | if (family == AF_INET) { | |
423 | if (IPV4_ADDR_SAME( | |
424 | &p->u.prefix4, | |
425 | (struct in_addr *)src)) | |
426 | return ifp; | |
427 | } else if (family == AF_INET6) { | |
428 | if (IPV6_ADDR_SAME( | |
429 | &p->u.prefix6, | |
430 | (struct in6_addr *)src)) | |
431 | return ifp; | |
432 | } | |
433 | } | |
0aabccc0 | 434 | } |
718e3744 | 435 | } |
d62a17ae | 436 | return NULL; |
718e3744 | 437 | } |
438 | ||
3923b6e3 | 439 | /* Lookup interface by IP address. */ |
d62a17ae | 440 | struct connected *if_lookup_address(void *matchaddr, int family, |
441 | vrf_id_t vrf_id) | |
718e3744 | 442 | { |
f4e14fdb | 443 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 444 | struct prefix addr; |
445 | int bestlen = 0; | |
446 | struct listnode *cnode; | |
447 | struct interface *ifp; | |
448 | struct connected *c; | |
449 | struct connected *match; | |
450 | ||
451 | if (family == AF_INET) { | |
452 | addr.family = AF_INET; | |
453 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
454 | addr.prefixlen = IPV4_MAX_BITLEN; | |
455 | } else if (family == AF_INET6) { | |
456 | addr.family = AF_INET6; | |
457 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
458 | addr.prefixlen = IPV6_MAX_BITLEN; | |
459 | } | |
718e3744 | 460 | |
d62a17ae | 461 | match = NULL; |
718e3744 | 462 | |
451fda4f | 463 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 464 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
465 | if (c->address && (c->address->family == AF_INET) | |
466 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
467 | && (c->address->prefixlen > bestlen)) { | |
468 | bestlen = c->address->prefixlen; | |
469 | match = c; | |
470 | } | |
471 | } | |
718e3744 | 472 | } |
d62a17ae | 473 | return match; |
718e3744 | 474 | } |
475 | ||
b81e97a8 | 476 | /* Lookup interface by prefix */ |
d62a17ae | 477 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 478 | { |
f4e14fdb | 479 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 480 | struct listnode *cnode; |
481 | struct interface *ifp; | |
482 | struct connected *c; | |
483 | ||
451fda4f | 484 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 485 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
486 | if (prefix_cmp(c->address, prefix) == 0) { | |
487 | return ifp; | |
488 | } | |
489 | } | |
490 | } | |
491 | return NULL; | |
b81e97a8 DD |
492 | } |
493 | ||
dad18a2f QY |
494 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
495 | struct interface ***result, vrf_id_t vrf_id) | |
496 | { | |
497 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
498 | ||
499 | struct list *rs = list_new(); | |
500 | struct interface *ifp; | |
501 | ||
502 | FOR_ALL_INTERFACES (vrf, ifp) { | |
503 | if (ifp->hw_addr_len == (int)addrsz | |
504 | && !memcmp(hw_addr, ifp->hw_addr, addrsz)) | |
505 | listnode_add(rs, ifp); | |
506 | } | |
507 | ||
508 | if (rs->count) { | |
509 | *result = XCALLOC(MTYPE_TMP, | |
510 | sizeof(struct interface *) * rs->count); | |
511 | list_to_array(rs, (void **)*result, rs->count); | |
512 | } | |
513 | ||
514 | int count = rs->count; | |
515 | ||
516 | list_delete(&rs); | |
517 | ||
518 | return count; | |
519 | } | |
520 | ||
521 | ||
718e3744 | 522 | /* Get interface by name if given name interface doesn't exist create |
523 | one. */ | |
a36898e7 | 524 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 525 | { |
8f90d89b | 526 | struct interface *ifp; |
718e3744 | 527 | |
8f90d89b | 528 | switch (vrf_get_backend()) { |
b0b97a7f | 529 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 530 | case VRF_BACKEND_NETNS: |
a36898e7 | 531 | ifp = if_lookup_by_name(name, vrf_id); |
ee2f2c23 TC |
532 | if (ifp) |
533 | return ifp; | |
d5c65bf1 | 534 | return if_create_name(name, vrf_id); |
8f90d89b RW |
535 | case VRF_BACKEND_VRF_LITE: |
536 | ifp = if_lookup_by_name_all_vrf(name); | |
537 | if (ifp) { | |
a36898e7 | 538 | if (ifp->vrf_id == vrf_id) |
379eb245 | 539 | return ifp; |
8f90d89b RW |
540 | /* If it came from the kernel or by way of zclient, |
541 | * believe it and update the ifp accordingly. | |
542 | */ | |
a36898e7 | 543 | if_update_to_new_vrf(ifp, vrf_id); |
8f90d89b | 544 | return ifp; |
ee2f2c23 | 545 | } |
d5c65bf1 | 546 | return if_create_name(name, vrf_id); |
85f9da7f | 547 | } |
8f90d89b RW |
548 | |
549 | return NULL; | |
8736158a FL |
550 | } |
551 | ||
ea7ec261 DD |
552 | struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) |
553 | { | |
554 | struct interface *ifp; | |
555 | ||
556 | switch (vrf_get_backend()) { | |
557 | case VRF_BACKEND_UNKNOWN: | |
558 | case VRF_BACKEND_NETNS: | |
47b474b5 | 559 | ifp = if_lookup_by_ifindex(ifindex, vrf_id); |
ea7ec261 DD |
560 | if (ifp) |
561 | return ifp; | |
562 | return if_create_ifindex(ifindex, vrf_id); | |
563 | case VRF_BACKEND_VRF_LITE: | |
564 | ifp = if_lookup_by_index_all_vrf(ifindex); | |
565 | if (ifp) { | |
566 | if (ifp->vrf_id == vrf_id) | |
567 | return ifp; | |
568 | /* If it came from the kernel or by way of zclient, | |
569 | * believe it and update the ifp accordingly. | |
570 | */ | |
571 | if_update_to_new_vrf(ifp, vrf_id); | |
572 | return ifp; | |
573 | } | |
574 | return if_create_ifindex(ifindex, vrf_id); | |
575 | } | |
576 | ||
577 | return NULL; | |
578 | } | |
579 | ||
ff880b78 RW |
580 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
581 | { | |
5b8524f5 RW |
582 | struct vrf *vrf; |
583 | ||
d5c65bf1 | 584 | vrf = vrf_get(ifp->vrf_id, NULL); |
5b8524f5 | 585 | assert(vrf); |
ff880b78 RW |
586 | |
587 | if (ifp->ifindex == ifindex) | |
588 | return; | |
589 | ||
590 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
d5c65bf1 | 591 | IFINDEX_RB_REMOVE(vrf, ifp); |
ff880b78 RW |
592 | |
593 | ifp->ifindex = ifindex; | |
594 | ||
595 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
596 | IFINDEX_RB_INSERT(vrf, ifp) | |
597 | } | |
598 | ||
d5c65bf1 SW |
599 | void if_set_name(struct interface *ifp, const char *name) |
600 | { | |
601 | struct vrf *vrf; | |
602 | ||
603 | vrf = vrf_get(ifp->vrf_id, NULL); | |
604 | assert(vrf); | |
605 | ||
606 | if (if_cmp_name_func(ifp->name, name) == 0) | |
607 | return; | |
608 | ||
609 | if (ifp->name[0] != '\0') | |
610 | IFNAME_RB_REMOVE(vrf, ifp); | |
611 | ||
612 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
613 | ||
614 | if (ifp->name[0] != '\0') | |
615 | IFNAME_RB_INSERT(vrf, ifp); | |
616 | } | |
617 | ||
718e3744 | 618 | /* Does interface up ? */ |
6339042c | 619 | int if_is_up(const struct interface *ifp) |
718e3744 | 620 | { |
d62a17ae | 621 | return ifp->flags & IFF_UP; |
718e3744 | 622 | } |
623 | ||
2e3b2e47 | 624 | /* Is interface running? */ |
6339042c | 625 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 626 | { |
d62a17ae | 627 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 628 | } |
629 | ||
630 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
631 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
632 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 633 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 634 | { |
d62a17ae | 635 | return ((ifp->flags & IFF_UP) |
636 | && (((ifp->flags & IFF_RUNNING) | |
637 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
638 | || !CHECK_FLAG(ifp->status, | |
639 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
640 | } |
641 | ||
642 | /* Is the interface operative, eg. either UP & RUNNING | |
643 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 644 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 645 | { |
d62a17ae | 646 | return ((ifp->flags & IFF_UP) |
647 | && ((ifp->flags & IFF_RUNNING) | |
648 | || !CHECK_FLAG(ifp->status, | |
649 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 650 | } |
651 | ||
718e3744 | 652 | /* Is this loopback interface ? */ |
6339042c | 653 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 654 | { |
d62a17ae | 655 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
656 | * but Y on platform N? | |
657 | */ | |
658 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 659 | } |
660 | ||
0c74bbe0 | 661 | /* Check interface is VRF */ |
6339042c | 662 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
663 | { |
664 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
665 | } | |
666 | ||
6339042c | 667 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
668 | { |
669 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
670 | return true; | |
671 | ||
672 | return false; | |
673 | } | |
674 | ||
718e3744 | 675 | /* Does this interface support broadcast ? */ |
6339042c | 676 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 677 | { |
d62a17ae | 678 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 679 | } |
680 | ||
681 | /* Does this interface support broadcast ? */ | |
6339042c | 682 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 683 | { |
d62a17ae | 684 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 685 | } |
686 | ||
687 | /* Does this interface support multicast ? */ | |
6339042c | 688 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 689 | { |
d62a17ae | 690 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 691 | } |
692 | ||
693 | /* Printout flag information into log */ | |
d62a17ae | 694 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 695 | { |
d62a17ae | 696 | int separator = 0; |
697 | static char logbuf[BUFSIZ]; | |
698 | ||
699 | #define IFF_OUT_LOG(X, STR) \ | |
700 | if (flag & (X)) { \ | |
701 | if (separator) \ | |
3393df5c | 702 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 703 | else \ |
704 | separator = 1; \ | |
3393df5c | 705 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 706 | } |
718e3744 | 707 | |
d62a17ae | 708 | strlcpy(logbuf, "<", BUFSIZ); |
709 | IFF_OUT_LOG(IFF_UP, "UP"); | |
710 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
711 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
712 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
713 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
714 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
715 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
716 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
717 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
718 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
719 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
720 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
721 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
722 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
723 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
724 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
725 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
726 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
727 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
728 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
729 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
730 | ||
3393df5c | 731 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 732 | |
733 | return logbuf; | |
630c97ce | 734 | #undef IFF_OUT_LOG |
718e3744 | 735 | } |
736 | ||
737 | /* For debugging */ | |
d62a17ae | 738 | static void if_dump(const struct interface *ifp) |
718e3744 | 739 | { |
d62a17ae | 740 | struct listnode *node; |
741 | struct connected *c __attribute__((unused)); | |
742 | ||
743 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
744 | zlog_info( | |
745 | "Interface %s vrf %u index %d metric %d mtu %d " | |
746 | "mtu6 %d %s", | |
a36898e7 | 747 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, |
d62a17ae | 748 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); |
718e3744 | 749 | } |
750 | ||
751 | /* Interface printing for all interface. */ | |
d62a17ae | 752 | void if_dump_all(void) |
718e3744 | 753 | { |
d62a17ae | 754 | struct vrf *vrf; |
f4e14fdb | 755 | void *ifp; |
d62a17ae | 756 | |
a2addae8 | 757 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 758 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 759 | if_dump(ifp); |
718e3744 | 760 | } |
761 | ||
98954844 PJ |
762 | #ifdef SUNOS_5 |
763 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
764 | * a seperate struct interface for each logical interface, so config | |
765 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
766 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
767 | * interfaces can be fruitless, for that reason Quagga only tracks | |
768 | * the primary IP interface. | |
769 | * | |
770 | * We try accomodate SUNWzebra by: | |
771 | * - looking up the interface name, to see whether it exists, if so | |
772 | * its useable | |
773 | * - for protocol daemons, this could only because zebra told us of | |
774 | * the interface | |
775 | * - for zebra, only because it learnt from kernel | |
776 | * - if not: | |
777 | * - search the name to see if it contains a sub-ipif / logical interface | |
778 | * seperator, the ':' char. If it does: | |
779 | * - text up to that char must be the primary name - get that name. | |
780 | * if not: | |
781 | * - no idea, just get the name in its entirety. | |
782 | */ | |
a36898e7 | 783 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 784 | { |
d62a17ae | 785 | struct interface *ifp; |
bcc24579 | 786 | char *cp; |
d62a17ae | 787 | |
a36898e7 | 788 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 789 | return ifp; |
790 | ||
791 | /* hunt the primary interface name... */ | |
bcc24579 RW |
792 | cp = strchr(name, ':'); |
793 | if (cp) | |
794 | *cp = '\0'; | |
d62a17ae | 795 | |
a36898e7 | 796 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
797 | } |
798 | #endif /* SUNOS_5 */ | |
6b0655a2 | 799 | |
d7d73ffc | 800 | #if 0 |
718e3744 | 801 | /* For debug purpose. */ |
802 | DEFUN (show_address, | |
803 | show_address_cmd, | |
199d90a1 | 804 | "show address [vrf NAME]", |
718e3744 | 805 | SHOW_STR |
fcbee690 QY |
806 | "address\n" |
807 | VRF_CMD_HELP_STR) | |
718e3744 | 808 | { |
abddf075 | 809 | int idx_vrf = 3; |
52dc7ee6 | 810 | struct listnode *node; |
718e3744 | 811 | struct interface *ifp; |
812 | struct connected *ifc; | |
813 | struct prefix *p; | |
8736158a | 814 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 815 | |
fcbee690 | 816 | if (argc > 2) |
58749582 | 817 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 818 | |
451fda4f | 819 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 820 | { |
f4e14fdb | 821 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 822 | { |
718e3744 | 823 | p = ifc->address; |
824 | ||
825 | if (p->family == AF_INET) | |
55f70b67 | 826 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 827 | } |
828 | } | |
829 | return CMD_SUCCESS; | |
830 | } | |
831 | ||
8736158a FL |
832 | DEFUN (show_address_vrf_all, |
833 | show_address_vrf_all_cmd, | |
9ccf14f7 | 834 | "show address vrf all", |
8736158a FL |
835 | SHOW_STR |
836 | "address\n" | |
837 | VRF_ALL_CMD_HELP_STR) | |
838 | { | |
1a1a7065 | 839 | struct vrf *vrf; |
8736158a | 840 | struct listnode *node; |
8736158a FL |
841 | struct interface *ifp; |
842 | struct connected *ifc; | |
843 | struct prefix *p; | |
8736158a | 844 | |
a62c4901 | 845 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 846 | { |
f4e14fdb | 847 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
848 | continue; |
849 | ||
55f70b67 | 850 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 851 | |
451fda4f | 852 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 853 | { |
f4e14fdb | 854 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
855 | { |
856 | p = ifc->address; | |
857 | ||
858 | if (p->family == AF_INET) | |
55f70b67 | 859 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
860 | } |
861 | } | |
862 | } | |
863 | return CMD_SUCCESS; | |
864 | } | |
d7d73ffc | 865 | #endif |
8736158a | 866 | |
718e3744 | 867 | /* Allocate connected structure. */ |
d62a17ae | 868 | struct connected *connected_new(void) |
718e3744 | 869 | { |
d62a17ae | 870 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 871 | } |
872 | ||
a80beece | 873 | /* Allocate nbr connected structure. */ |
d62a17ae | 874 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 875 | { |
d62a17ae | 876 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
877 | } |
878 | ||
718e3744 | 879 | /* Free connected structure. */ |
721c0857 | 880 | void connected_free(struct connected **connected) |
718e3744 | 881 | { |
721c0857 DS |
882 | struct connected *ptr = *connected; |
883 | ||
884 | if (ptr->address) | |
885 | prefix_free(&ptr->address); | |
718e3744 | 886 | |
721c0857 DS |
887 | if (ptr->destination) |
888 | prefix_free(&ptr->destination); | |
718e3744 | 889 | |
721c0857 | 890 | XFREE(MTYPE_CONNECTED_LABEL, ptr->label); |
718e3744 | 891 | |
721c0857 DS |
892 | XFREE(MTYPE_CONNECTED, ptr); |
893 | *connected = NULL; | |
718e3744 | 894 | } |
895 | ||
a80beece | 896 | /* Free nbr connected structure. */ |
d62a17ae | 897 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 898 | { |
d62a17ae | 899 | if (connected->address) |
63265b5c | 900 | prefix_free(&connected->address); |
a80beece | 901 | |
d62a17ae | 902 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
903 | } |
904 | ||
905 | /* If same interface nbr address already exists... */ | |
d62a17ae | 906 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
907 | struct prefix *p) | |
a80beece | 908 | { |
d62a17ae | 909 | struct nbr_connected *ifc; |
910 | struct listnode *node; | |
a80beece | 911 | |
d62a17ae | 912 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
913 | if (prefix_same(ifc->address, p)) | |
914 | return ifc; | |
a80beece | 915 | |
d62a17ae | 916 | return NULL; |
a80beece DS |
917 | } |
918 | ||
718e3744 | 919 | /* Print if_addr structure. */ |
d62a17ae | 920 | static void __attribute__((unused)) |
921 | connected_log(struct connected *connected, char *str) | |
718e3744 | 922 | { |
d62a17ae | 923 | struct prefix *p; |
924 | struct interface *ifp; | |
925 | char logbuf[BUFSIZ]; | |
926 | char buf[BUFSIZ]; | |
927 | ||
928 | ifp = connected->ifp; | |
929 | p = connected->address; | |
930 | ||
931 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
a36898e7 | 932 | ifp->name, ifp->vrf_id, prefix_family_str(p), |
d62a17ae | 933 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
934 | ||
935 | p = connected->destination; | |
936 | if (p) { | |
937 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
938 | BUFSIZ - strlen(logbuf)); | |
939 | } | |
940 | zlog_info("%s", logbuf); | |
718e3744 | 941 | } |
942 | ||
a80beece | 943 | /* Print if_addr structure. */ |
d62a17ae | 944 | static void __attribute__((unused)) |
945 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 946 | { |
d62a17ae | 947 | struct prefix *p; |
948 | struct interface *ifp; | |
949 | char logbuf[BUFSIZ]; | |
950 | char buf[BUFSIZ]; | |
a80beece | 951 | |
d62a17ae | 952 | ifp = connected->ifp; |
953 | p = connected->address; | |
a80beece | 954 | |
d62a17ae | 955 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
956 | prefix_family_str(p), | |
957 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 958 | |
d62a17ae | 959 | zlog_info("%s", logbuf); |
a80beece DS |
960 | } |
961 | ||
718e3744 | 962 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 963 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 964 | { |
d62a17ae | 965 | if (p1->family == p2->family) { |
966 | if (p1->family == AF_INET | |
967 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
968 | return 1; | |
969 | if (p1->family == AF_INET6 | |
970 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
971 | return 1; | |
972 | } | |
973 | return 0; | |
718e3744 | 974 | } |
975 | ||
457ea8d4 GN |
976 | /* count the number of connected addresses that are in the given family */ |
977 | unsigned int connected_count_by_family(struct interface *ifp, int family) | |
978 | { | |
979 | struct listnode *cnode; | |
980 | struct connected *connected; | |
981 | unsigned int cnt = 0; | |
982 | ||
983 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) | |
984 | if (connected->address->family == family) | |
985 | cnt++; | |
986 | ||
987 | return cnt; | |
988 | } | |
989 | ||
d62a17ae | 990 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
991 | struct prefix *p) | |
38485402 | 992 | { |
d62a17ae | 993 | struct listnode *node; |
994 | struct listnode *next; | |
995 | struct connected *ifc; | |
38485402 | 996 | |
d62a17ae | 997 | for (node = listhead(ifp->connected); node; node = next) { |
998 | ifc = listgetdata(node); | |
999 | next = node->next; | |
38485402 | 1000 | |
d62a17ae | 1001 | if (connected_same_prefix(ifc->address, p)) |
1002 | return ifc; | |
1003 | } | |
1004 | return NULL; | |
38485402 DS |
1005 | } |
1006 | ||
d62a17ae | 1007 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
1008 | struct prefix *p) | |
718e3744 | 1009 | { |
d62a17ae | 1010 | struct listnode *node; |
1011 | struct listnode *next; | |
1012 | struct connected *ifc; | |
1013 | ||
1014 | /* In case of same prefix come, replace it with new one. */ | |
1015 | for (node = listhead(ifp->connected); node; node = next) { | |
1016 | ifc = listgetdata(node); | |
1017 | next = node->next; | |
1018 | ||
1019 | if (connected_same_prefix(ifc->address, p)) { | |
1020 | listnode_delete(ifp->connected, ifc); | |
1021 | return ifc; | |
1022 | } | |
718e3744 | 1023 | } |
d62a17ae | 1024 | return NULL; |
718e3744 | 1025 | } |
1026 | ||
bd40c341 | 1027 | /* Find the address on our side that will be used when packets |
727d104b | 1028 | are sent to dst. */ |
d62a17ae | 1029 | struct connected *connected_lookup_prefix(struct interface *ifp, |
1030 | struct prefix *addr) | |
727d104b | 1031 | { |
d62a17ae | 1032 | struct listnode *cnode; |
1033 | struct connected *c; | |
1034 | struct connected *match; | |
1035 | ||
1036 | match = NULL; | |
1037 | ||
1038 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
1039 | if (c->address && (c->address->family == addr->family) | |
1040 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
1041 | && (!match | |
1042 | || (c->address->prefixlen > match->address->prefixlen))) | |
1043 | match = c; | |
1044 | } | |
1045 | return match; | |
727d104b | 1046 | } |
1047 | ||
d62a17ae | 1048 | struct connected *connected_add_by_prefix(struct interface *ifp, |
1049 | struct prefix *p, | |
1050 | struct prefix *destination) | |
4a7aac1b | 1051 | { |
d62a17ae | 1052 | struct connected *ifc; |
4a7aac1b | 1053 | |
d62a17ae | 1054 | /* Allocate new connected address. */ |
1055 | ifc = connected_new(); | |
1056 | ifc->ifp = ifp; | |
4a7aac1b | 1057 | |
d62a17ae | 1058 | /* Fetch interface address */ |
1059 | ifc->address = prefix_new(); | |
1060 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1061 | |
d62a17ae | 1062 | /* Fetch dest address */ |
1063 | if (destination) { | |
1064 | ifc->destination = prefix_new(); | |
1065 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1066 | } | |
4a7aac1b | 1067 | |
d62a17ae | 1068 | /* Add connected address to the interface. */ |
1069 | listnode_add(ifp->connected, ifc); | |
1070 | return ifc; | |
4a7aac1b | 1071 | } |
1072 | ||
667179ca QY |
1073 | struct connected *connected_get_linklocal(struct interface *ifp) |
1074 | { | |
1075 | struct listnode *n; | |
1076 | struct connected *c = NULL; | |
1077 | ||
1078 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
1079 | if (c->address->family == AF_INET6 | |
1080 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
1081 | break; | |
1082 | } | |
1083 | return c; | |
1084 | } | |
1085 | ||
d62a17ae | 1086 | #if 0 /* this route_table of struct connected's is unused \ |
1087 | * however, it would be good to use a route_table rather than \ | |
1088 | * a list.. \ | |
1089 | */ | |
718e3744 | 1090 | /* Interface looking up by interface's address. */ |
718e3744 | 1091 | /* Interface's IPv4 address reverse lookup table. */ |
1092 | struct route_table *ifaddr_ipv4_table; | |
1093 | /* struct route_table *ifaddr_ipv6_table; */ | |
1094 | ||
8cc4198f | 1095 | static void |
718e3744 | 1096 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1097 | { | |
1098 | struct route_node *rn; | |
1099 | struct prefix_ipv4 p; | |
1100 | ||
1101 | p.family = AF_INET; | |
1102 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1103 | p.prefix = *ifaddr; | |
1104 | ||
1105 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1106 | if (rn) | |
1107 | { | |
1108 | route_unlock_node (rn); | |
1109 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1110 | inet_ntoa (*ifaddr)); | |
1111 | return; | |
1112 | } | |
1113 | rn->info = ifp; | |
1114 | } | |
1115 | ||
8cc4198f | 1116 | static void |
718e3744 | 1117 | ifaddr_ipv4_delete (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_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1127 | if (! rn) | |
1128 | { | |
1129 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1130 | inet_ntoa (*ifaddr)); | |
1131 | return; | |
1132 | } | |
1133 | rn->info = NULL; | |
1134 | route_unlock_node (rn); | |
1135 | route_unlock_node (rn); | |
1136 | } | |
1137 | ||
1138 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1139 | static struct interface * |
b892f1dd | 1140 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1141 | { |
1142 | struct prefix_ipv4 p; | |
1143 | struct route_node *rn; | |
1144 | struct interface *ifp; | |
718e3744 | 1145 | |
1146 | if (addr) | |
1147 | { | |
1148 | p.family = AF_INET; | |
1149 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1150 | p.prefix = *addr; | |
1151 | ||
1152 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1153 | if (! rn) | |
1154 | return NULL; | |
55cd0f61 | 1155 | |
718e3744 | 1156 | ifp = rn->info; |
1157 | route_unlock_node (rn); | |
1158 | return ifp; | |
1159 | } | |
1160 | else | |
7e2b7603 | 1161 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1162 | } |
8cc4198f | 1163 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1164 | |
f4e14fdb | 1165 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1166 | { |
f4e14fdb | 1167 | struct interface *ifp; |
4bd045d5 | 1168 | |
55cd0f61 DS |
1169 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1170 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1171 | ||
d62a17ae | 1172 | if (ifp->node) { |
1173 | ifp->node->info = NULL; | |
1174 | route_unlock_node(ifp->node); | |
1175 | } | |
f609709a | 1176 | if_delete(&ifp); |
d62a17ae | 1177 | } |
4bd045d5 | 1178 | } |
8ccc7e80 | 1179 | |
d62a17ae | 1180 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1181 | { |
d62a17ae | 1182 | switch (llt) { |
8ccc7e80 | 1183 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1184 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1185 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1186 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1187 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1188 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1189 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1190 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1191 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1192 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1193 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1194 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1195 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1196 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1197 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1198 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1199 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1200 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1201 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1202 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1203 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1204 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1205 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1206 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1207 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1208 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1209 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1210 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1211 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1212 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1213 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1214 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1215 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1216 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1217 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1218 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1219 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1220 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1221 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1222 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1223 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1224 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1225 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1226 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1227 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1228 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1229 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1230 | default: | |
450971aa | 1231 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1232 | return "Unknown type!"; |
8ccc7e80 | 1233 | #undef llts |
d62a17ae | 1234 | } |
1235 | return NULL; | |
8ccc7e80 | 1236 | } |
16f1b9ee | 1237 | |
d62a17ae | 1238 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1239 | { |
d62a17ae | 1240 | int i; |
16f1b9ee | 1241 | |
d62a17ae | 1242 | if (ifp->link_params != NULL) |
1243 | return ifp->link_params; | |
16f1b9ee | 1244 | |
d62a17ae | 1245 | struct if_link_params *iflp = |
1246 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1247 | if (iflp == NULL) | |
1248 | return NULL; | |
16f1b9ee | 1249 | |
d62a17ae | 1250 | /* Set TE metric equal to standard metric */ |
1251 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1252 | |
d62a17ae | 1253 | /* Compute default bandwidth based on interface */ |
1254 | iflp->default_bw = | |
1255 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1256 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1257 | |
d62a17ae | 1258 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1259 | iflp->max_bw = iflp->default_bw; | |
1260 | iflp->max_rsv_bw = iflp->default_bw; | |
1261 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1262 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1263 | |
d62a17ae | 1264 | /* Update Link parameters status */ |
1265 | iflp->lp_status = | |
1266 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1267 | |
d62a17ae | 1268 | /* Finally attach newly created Link Parameters */ |
1269 | ifp->link_params = iflp; | |
16f1b9ee | 1270 | |
d62a17ae | 1271 | return iflp; |
16f1b9ee OD |
1272 | } |
1273 | ||
d62a17ae | 1274 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1275 | { |
d62a17ae | 1276 | if (ifp->link_params == NULL) |
1277 | return; | |
1278 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1279 | ifp->link_params = NULL; | |
16f1b9ee | 1280 | } |
a4bed468 | 1281 | |
8f90d89b RW |
1282 | /* ----------- CLI commands ----------- */ |
1283 | ||
1284 | /* | |
1285 | * XPath: /frr-interface:lib/interface | |
1286 | */ | |
1287 | DEFPY_NOSH (interface, | |
1288 | interface_cmd, | |
e429a2a0 | 1289 | "interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1290 | "Select an interface to configure\n" |
1291 | "Interface's name\n" | |
1292 | VRF_CMD_HELP_STR) | |
1293 | { | |
1294 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1295 | vrf_id_t vrf_id; |
1296 | struct interface *ifp; | |
8f90d89b RW |
1297 | int ret; |
1298 | ||
e429a2a0 IR |
1299 | if (!vrf_name) |
1300 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b RW |
1301 | |
1302 | /* | |
1303 | * This command requires special handling to maintain backward | |
1304 | * compatibility. If a VRF name is not specified, it means we're willing | |
1305 | * to accept any interface with the given name on any VRF. If no | |
1306 | * interface is found, then a new one should be created on the default | |
1307 | * VRF. | |
1308 | */ | |
e429a2a0 | 1309 | VRF_GET_ID(vrf_id, vrf_name, false); |
a36898e7 DS |
1310 | ifp = if_lookup_by_name_all_vrf(ifname); |
1311 | if (ifp && ifp->vrf_id != vrf_id) { | |
1312 | struct vrf *vrf; | |
1313 | ||
8f90d89b RW |
1314 | /* |
1315 | * Special case 1: a VRF name was specified, but the found | |
1316 | * interface is associated to different VRF. Reject the command. | |
1317 | */ | |
a36898e7 | 1318 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b | 1319 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
e429a2a0 | 1320 | vrf_name); |
8f90d89b RW |
1321 | return CMD_WARNING_CONFIG_FAILED; |
1322 | } | |
1323 | ||
1324 | /* | |
1325 | * Special case 2: a VRF name was *not* specified, and the found | |
1326 | * interface is associated to a VRF other than the default one. | |
e429a2a0 | 1327 | * Update vrf_id and vrf_name to account for that. |
8f90d89b | 1328 | */ |
a36898e7 | 1329 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1330 | assert(vrf); |
a36898e7 | 1331 | vrf_id = ifp->vrf_id; |
e429a2a0 | 1332 | vrf_name = vrf->name; |
8f90d89b RW |
1333 | } |
1334 | ||
1335 | snprintf(xpath_list, sizeof(xpath_list), | |
1336 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
e429a2a0 | 1337 | vrf_name); |
8f90d89b | 1338 | |
a6233bfc RW |
1339 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1340 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1341 | if (ret == CMD_SUCCESS) { |
1342 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1343 | ||
1344 | /* | |
1345 | * For backward compatibility with old commands we still need | |
1346 | * to use the qobj infrastructure. This can be removed once | |
1347 | * all interface-level commands are converted to the new | |
1348 | * northbound model. | |
1349 | */ | |
a36898e7 | 1350 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1351 | if (ifp) |
1352 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1353 | } | |
1354 | ||
1355 | return ret; | |
1356 | } | |
1357 | ||
1358 | DEFPY (no_interface, | |
1359 | no_interface_cmd, | |
e429a2a0 | 1360 | "no interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1361 | NO_STR |
1362 | "Delete a pseudo interface's configuration\n" | |
1363 | "Interface's name\n" | |
1364 | VRF_CMD_HELP_STR) | |
1365 | { | |
e429a2a0 IR |
1366 | if (!vrf_name) |
1367 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b | 1368 | |
95ce849b | 1369 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1370 | |
a6233bfc RW |
1371 | return nb_cli_apply_changes( |
1372 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
e429a2a0 | 1373 | ifname, vrf_name); |
8f90d89b RW |
1374 | } |
1375 | ||
1376 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1377 | bool show_defaults) | |
1378 | { | |
1379 | const char *vrf; | |
1380 | ||
1381 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1382 | ||
1383 | vty_out(vty, "!\n"); | |
1384 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1385 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1386 | vty_out(vty, " vrf %s", vrf); | |
1387 | vty_out(vty, "\n"); | |
1388 | } | |
1389 | ||
1390 | /* | |
1391 | * XPath: /frr-interface:lib/interface/description | |
1392 | */ | |
1393 | DEFPY (interface_desc, | |
1394 | interface_desc_cmd, | |
1395 | "description LINE...", | |
1396 | "Interface specific description\n" | |
1397 | "Characters describing this interface\n") | |
1398 | { | |
8f90d89b RW |
1399 | char *desc; |
1400 | int ret; | |
1401 | ||
1402 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1403 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1404 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1405 | XFREE(MTYPE_TMP, desc); |
1406 | ||
1407 | return ret; | |
1408 | } | |
1409 | ||
1410 | DEFPY (no_interface_desc, | |
1411 | no_interface_desc_cmd, | |
1412 | "no description", | |
1413 | NO_STR | |
1414 | "Interface specific description\n") | |
1415 | { | |
95ce849b | 1416 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1417 | |
1418 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1419 | } |
1420 | ||
1421 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1422 | bool show_defaults) | |
1423 | { | |
1424 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1425 | } | |
1426 | ||
1427 | /* Interface autocomplete. */ | |
1428 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1429 | { | |
1430 | struct interface *ifp; | |
1431 | struct vrf *vrf; | |
1432 | ||
1433 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1434 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1435 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1436 | } | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1441 | {/* "interface NAME" */ | |
1442 | .varname = "interface", | |
1443 | .completions = if_autocomplete}, | |
1444 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1445 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1446 | {.completions = NULL}}; | |
1447 | ||
1448 | void if_cmd_init(void) | |
1449 | { | |
1450 | cmd_variable_handler_register(if_var_handlers); | |
1451 | ||
1452 | install_element(CONFIG_NODE, &interface_cmd); | |
1453 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1454 | ||
1455 | install_default(INTERFACE_NODE); | |
1456 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1457 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1458 | } | |
1459 | ||
138c5a74 DS |
1460 | void if_zapi_callbacks(int (*create)(struct interface *ifp), |
1461 | int (*up)(struct interface *ifp), | |
1462 | int (*down)(struct interface *ifp), | |
1463 | int (*destroy)(struct interface *ifp)) | |
1464 | { | |
1465 | ifp_master.create_hook = create; | |
1466 | ifp_master.up_hook = up; | |
1467 | ifp_master.down_hook = down; | |
1468 | ifp_master.destroy_hook = destroy; | |
1469 | } | |
1470 | ||
a4bed468 RW |
1471 | /* ------- Northbound callbacks ------- */ |
1472 | ||
1473 | /* | |
1474 | * XPath: /frr-interface:lib/interface | |
1475 | */ | |
1476 | static int lib_interface_create(enum nb_event event, | |
1477 | const struct lyd_node *dnode, | |
1478 | union nb_resource *resource) | |
1479 | { | |
8f90d89b RW |
1480 | const char *ifname; |
1481 | const char *vrfname; | |
1482 | struct vrf *vrf; | |
a36898e7 | 1483 | struct interface *ifp; |
8f90d89b RW |
1484 | |
1485 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1486 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1487 | ||
1488 | switch (event) { | |
1489 | case NB_EV_VALIDATE: | |
1490 | vrf = vrf_lookup_by_name(vrfname); | |
1491 | if (!vrf) { | |
1492 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1493 | vrfname); | |
1494 | return NB_ERR_VALIDATION; | |
1495 | } | |
a36898e7 DS |
1496 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1497 | zlog_warn("%s: VRF %s is not active", __func__, | |
1498 | vrf->name); | |
1499 | return NB_ERR_VALIDATION; | |
1500 | } | |
72261ecd | 1501 | |
b0b97a7f PG |
1502 | /* if VRF is netns or not yet known - init for instance |
1503 | * then assumption is that passed config is exact | |
1504 | * then the user intent was not to use an other iface | |
1505 | */ | |
8f90d89b RW |
1506 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1507 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1508 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1509 | zlog_warn( |
1510 | "%s: interface %s already exists in another VRF", | |
1511 | __func__, ifp->name); | |
1512 | return NB_ERR_VALIDATION; | |
1513 | } | |
1514 | } | |
1515 | break; | |
1516 | case NB_EV_PREPARE: | |
1517 | case NB_EV_ABORT: | |
1518 | break; | |
1519 | case NB_EV_APPLY: | |
1520 | vrf = vrf_lookup_by_name(vrfname); | |
1521 | assert(vrf); | |
1522 | #ifdef SUNOS_5 | |
a36898e7 | 1523 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1524 | #else |
a36898e7 | 1525 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1526 | #endif /* SUNOS_5 */ |
1d311a05 DS |
1527 | |
1528 | ifp->configured = true; | |
ccd43ada | 1529 | nb_running_set_entry(dnode, ifp); |
8f90d89b RW |
1530 | break; |
1531 | } | |
1532 | ||
a4bed468 RW |
1533 | return NB_OK; |
1534 | } | |
1535 | ||
6a3fdeec RW |
1536 | static int lib_interface_destroy(enum nb_event event, |
1537 | const struct lyd_node *dnode) | |
a4bed468 | 1538 | { |
8f90d89b RW |
1539 | struct interface *ifp; |
1540 | ||
8f90d89b RW |
1541 | |
1542 | switch (event) { | |
1543 | case NB_EV_VALIDATE: | |
ccd43ada | 1544 | ifp = nb_running_get_entry(dnode, NULL, true); |
8f90d89b RW |
1545 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
1546 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1547 | __func__); | |
1548 | return NB_ERR_VALIDATION; | |
1549 | } | |
1550 | break; | |
1551 | case NB_EV_PREPARE: | |
1552 | case NB_EV_ABORT: | |
1553 | break; | |
1554 | case NB_EV_APPLY: | |
ccd43ada | 1555 | ifp = nb_running_unset_entry(dnode); |
1d311a05 DS |
1556 | |
1557 | ifp->configured = false; | |
f609709a | 1558 | if_delete(&ifp); |
8f90d89b RW |
1559 | break; |
1560 | } | |
1561 | ||
a4bed468 RW |
1562 | return NB_OK; |
1563 | } | |
1564 | ||
f88647ef QY |
1565 | /* |
1566 | * XPath: /frr-interface:lib/interface | |
1567 | */ | |
1568 | static const void *lib_interface_get_next(const void *parent_list_entry, | |
1569 | const void *list_entry) | |
1570 | { | |
1571 | struct vrf *vrf; | |
1572 | struct interface *pif = (struct interface *)list_entry; | |
1573 | ||
1574 | if (list_entry == NULL) { | |
1575 | vrf = RB_MIN(vrf_name_head, &vrfs_by_name); | |
1576 | assert(vrf); | |
1577 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1578 | } else { | |
1579 | vrf = vrf_lookup_by_id(pif->vrf_id); | |
1580 | pif = RB_NEXT(if_name_head, pif); | |
1581 | /* if no more interfaces, switch to next vrf */ | |
1582 | while (pif == NULL) { | |
1583 | vrf = RB_NEXT(vrf_name_head, vrf); | |
1584 | if (!vrf) | |
1585 | return NULL; | |
1586 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | return pif; | |
1591 | } | |
1592 | ||
1593 | static int lib_interface_get_keys(const void *list_entry, | |
1594 | struct yang_list_keys *keys) | |
1595 | { | |
1596 | const struct interface *ifp = list_entry; | |
1597 | ||
1598 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1599 | ||
1600 | assert(vrf); | |
1601 | ||
1602 | keys->num = 2; | |
1603 | strlcpy(keys->key[0], ifp->name, sizeof(keys->key[0])); | |
1604 | strlcpy(keys->key[1], vrf->name, sizeof(keys->key[1])); | |
1605 | ||
1606 | return NB_OK; | |
1607 | } | |
1608 | ||
1609 | static const void *lib_interface_lookup_entry(const void *parent_list_entry, | |
1610 | const struct yang_list_keys *keys) | |
1611 | { | |
1612 | const char *ifname = keys->key[0]; | |
1613 | const char *vrfname = keys->key[1]; | |
1614 | struct vrf *vrf = vrf_lookup_by_name(vrfname); | |
1615 | ||
68a4422d | 1616 | return vrf ? if_lookup_by_name(ifname, vrf->vrf_id) : NULL; |
f88647ef QY |
1617 | } |
1618 | ||
a4bed468 RW |
1619 | /* |
1620 | * XPath: /frr-interface:lib/interface/description | |
1621 | */ | |
1622 | static int lib_interface_description_modify(enum nb_event event, | |
1623 | const struct lyd_node *dnode, | |
1624 | union nb_resource *resource) | |
1625 | { | |
8f90d89b RW |
1626 | struct interface *ifp; |
1627 | const char *description; | |
1628 | ||
1629 | if (event != NB_EV_APPLY) | |
1630 | return NB_OK; | |
1631 | ||
ccd43ada | 1632 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1633 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1634 | description = yang_dnode_get_string(dnode, NULL); |
1635 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1636 | ||
a4bed468 RW |
1637 | return NB_OK; |
1638 | } | |
1639 | ||
6a3fdeec RW |
1640 | static int lib_interface_description_destroy(enum nb_event event, |
1641 | const struct lyd_node *dnode) | |
a4bed468 | 1642 | { |
8f90d89b RW |
1643 | struct interface *ifp; |
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 | 1650 | |
a4bed468 RW |
1651 | return NB_OK; |
1652 | } | |
1653 | ||
1654 | /* clang-format off */ | |
fa751d15 DL |
1655 | |
1656 | #if defined(__GNUC__) && ((__GNUC__ - 0) < 5) && !defined(__clang__) | |
1657 | /* gcc versions before 5.x miscalculate the size for structs with variable | |
1658 | * length arrays (they just count it as size 0) | |
1659 | */ | |
1660 | struct frr_yang_module_info_size3 { | |
1661 | /* YANG module name. */ | |
1662 | const char *name; | |
1663 | ||
1664 | /* Northbound callbacks. */ | |
1665 | const struct { | |
1666 | /* Data path of this YANG node. */ | |
1667 | const char *xpath; | |
1668 | ||
1669 | /* Callbacks implemented for this node. */ | |
1670 | struct nb_callbacks cbs; | |
1671 | ||
1672 | /* Priority - lower priorities are processed first. */ | |
1673 | uint32_t priority; | |
1674 | } nodes[3]; | |
1675 | }; | |
1676 | ||
1677 | const struct frr_yang_module_info_size3 frr_interface_info_size3 asm("frr_interface_info") = { | |
1678 | #else | |
a4bed468 | 1679 | const struct frr_yang_module_info frr_interface_info = { |
fa751d15 | 1680 | #endif |
a4bed468 RW |
1681 | .name = "frr-interface", |
1682 | .nodes = { | |
1683 | { | |
1684 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1685 | .cbs = { |
1686 | .create = lib_interface_create, | |
1687 | .destroy = lib_interface_destroy, | |
1688 | .cli_show = cli_show_interface, | |
f88647ef QY |
1689 | .get_next = lib_interface_get_next, |
1690 | .get_keys = lib_interface_get_keys, | |
1691 | .lookup_entry = lib_interface_lookup_entry, | |
53280f93 | 1692 | }, |
a4bed468 RW |
1693 | }, |
1694 | { | |
1695 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1696 | .cbs = { |
1697 | .modify = lib_interface_description_modify, | |
1698 | .destroy = lib_interface_description_destroy, | |
1699 | .cli_show = cli_show_interface_desc, | |
1700 | }, | |
a4bed468 RW |
1701 | }, |
1702 | { | |
1703 | .xpath = NULL, | |
1704 | }, | |
1705 | } | |
1706 | }; |