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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 | |
138c5a74 DS |
61 | struct interface_master{ |
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 | ||
718e3744 | 143 | /* Create new interface structure. */ |
d5c65bf1 | 144 | static struct interface *if_new(vrf_id_t vrf_id) |
718e3744 | 145 | { |
d62a17ae | 146 | struct interface *ifp; |
d62a17ae | 147 | |
148 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
ea7ec261 | 149 | |
d5c65bf1 SW |
150 | ifp->ifindex = IFINDEX_INTERNAL; |
151 | ifp->name[0] = '\0'; | |
ea7ec261 | 152 | |
d5c65bf1 | 153 | ifp->vrf_id = vrf_id; |
ea7ec261 | 154 | |
d62a17ae | 155 | ifp->connected = list_new(); |
156 | ifp->connected->del = (void (*)(void *))connected_free; | |
157 | ||
158 | ifp->nbr_connected = list_new(); | |
159 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
160 | ||
161 | /* Enable Link-detection by default */ | |
162 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
163 | ||
164 | QOBJ_REG(ifp, interface); | |
d62a17ae | 165 | return ifp; |
718e3744 | 166 | } |
167 | ||
ef7bd2a3 DS |
168 | void if_new_via_zapi(struct interface *ifp) |
169 | { | |
170 | if (ifp_master.create_hook) | |
171 | (*ifp_master.create_hook)(ifp); | |
172 | } | |
173 | ||
3c3c3252 DS |
174 | void if_destroy_via_zapi(struct interface *ifp) |
175 | { | |
176 | if (ifp_master.destroy_hook) | |
177 | (*ifp_master.destroy_hook)(ifp); | |
178 | ||
179 | if_set_index(ifp, IFINDEX_INTERNAL); | |
26f8f6fe DS |
180 | if (!ifp->configured) |
181 | if_delete(ifp); | |
3c3c3252 DS |
182 | } |
183 | ||
ddbf3e60 DS |
184 | void if_up_via_zapi(struct interface *ifp) |
185 | { | |
186 | if (ifp_master.up_hook) | |
187 | (*ifp_master.up_hook)(ifp); | |
188 | } | |
189 | ||
b0b69e59 DS |
190 | void if_down_via_zapi(struct interface *ifp) |
191 | { | |
192 | if (ifp_master.down_hook) | |
193 | (*ifp_master.down_hook)(ifp); | |
194 | } | |
195 | ||
d5c65bf1 | 196 | struct interface *if_create_name(const char *name, vrf_id_t vrf_id) |
ea7ec261 | 197 | { |
d5c65bf1 SW |
198 | struct interface *ifp; |
199 | ||
200 | ifp = if_new(vrf_id); | |
201 | ||
202 | if_set_name(ifp, name); | |
203 | ||
204 | hook_call(if_add, ifp); | |
205 | return ifp; | |
ea7ec261 DD |
206 | } |
207 | ||
208 | struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) | |
209 | { | |
d5c65bf1 SW |
210 | struct interface *ifp; |
211 | ||
212 | ifp = if_new(vrf_id); | |
213 | ||
214 | if_set_index(ifp, ifindex); | |
215 | ||
216 | hook_call(if_add, ifp); | |
217 | return ifp; | |
ea7ec261 DD |
218 | } |
219 | ||
a36898e7 DS |
220 | /* Create new interface structure. */ |
221 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) | |
f93e3f69 | 222 | { |
a36898e7 | 223 | struct vrf *old_vrf, *vrf; |
d62a17ae | 224 | |
225 | /* remove interface from old master vrf list */ | |
a36898e7 | 226 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 227 | if (old_vrf) { |
9685b1e4 SW |
228 | if (ifp->name[0] != '\0') |
229 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
230 | ||
ff880b78 | 231 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 232 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 233 | } |
d62a17ae | 234 | |
a36898e7 DS |
235 | ifp->vrf_id = vrf_id; |
236 | vrf = vrf_get(ifp->vrf_id, NULL); | |
ff880b78 | 237 | |
9685b1e4 SW |
238 | if (ifp->name[0] != '\0') |
239 | IFNAME_RB_INSERT(vrf, ifp); | |
240 | ||
ff880b78 RW |
241 | if (ifp->ifindex != IFINDEX_INTERNAL) |
242 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
243 | |
244 | /* | |
245 | * HACK: Change the interface VRF in the running configuration directly, | |
246 | * bypassing the northbound layer. This is necessary to avoid deleting | |
247 | * the interface and readding it in the new VRF, which would have | |
248 | * several implications. | |
249 | */ | |
250 | if (yang_module_find("frr-interface")) { | |
251 | struct lyd_node *if_dnode; | |
252 | ||
8685be73 RW |
253 | if_dnode = yang_dnode_get( |
254 | running_config->dnode, | |
255 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
256 | ifp->name, old_vrf->name); | |
257 | if (if_dnode) { | |
258 | yang_dnode_change_leaf(if_dnode, vrf->name); | |
259 | running_config->version++; | |
8f90d89b RW |
260 | } |
261 | } | |
f93e3f69 DS |
262 | } |
263 | ||
8685be73 | 264 | |
d2fc8896 | 265 | /* Delete interface structure. */ |
d62a17ae | 266 | void if_delete_retain(struct interface *ifp) |
718e3744 | 267 | { |
996c9314 | 268 | hook_call(if_del, ifp); |
d62a17ae | 269 | QOBJ_UNREG(ifp); |
e80e7cce | 270 | |
d62a17ae | 271 | /* Free connected address list */ |
272 | list_delete_all_node(ifp->connected); | |
a80beece | 273 | |
d62a17ae | 274 | /* Free connected nbr address list */ |
275 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 276 | } |
277 | ||
278 | /* Delete and free interface structure. */ | |
d62a17ae | 279 | void if_delete(struct interface *ifp) |
d2fc8896 | 280 | { |
a36898e7 | 281 | struct vrf *vrf; |
5b8524f5 | 282 | |
a36898e7 | 283 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
5b8524f5 | 284 | assert(vrf); |
f4e14fdb | 285 | |
ff880b78 RW |
286 | IFNAME_RB_REMOVE(vrf, ifp); |
287 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
288 | IFINDEX_RB_REMOVE(vrf, ifp); | |
d2fc8896 | 289 | |
d62a17ae | 290 | if_delete_retain(ifp); |
718e3744 | 291 | |
6a154c88 DL |
292 | list_delete(&ifp->connected); |
293 | list_delete(&ifp->nbr_connected); | |
2dd04c5d | 294 | |
d62a17ae | 295 | if_link_params_free(ifp); |
16f1b9ee | 296 | |
0a22ddfb | 297 | XFREE(MTYPE_TMP, ifp->desc); |
c7974c0f | 298 | |
d62a17ae | 299 | XFREE(MTYPE_IF, ifp); |
718e3744 | 300 | } |
301 | ||
47b474b5 DD |
302 | /* Used only internally to check within VRF only */ |
303 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, | |
304 | vrf_id_t vrf_id) | |
718e3744 | 305 | { |
5b8524f5 | 306 | struct vrf *vrf; |
ff880b78 | 307 | struct interface if_tmp; |
f4e14fdb | 308 | |
5b8524f5 RW |
309 | vrf = vrf_lookup_by_id(vrf_id); |
310 | if (!vrf) | |
311 | return NULL; | |
312 | ||
ff880b78 RW |
313 | if_tmp.ifindex = ifindex; |
314 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 315 | } |
316 | ||
47b474b5 DD |
317 | /* Interface existance check by index. */ |
318 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) | |
319 | { | |
320 | switch (vrf_get_backend()) { | |
321 | case VRF_BACKEND_UNKNOWN: | |
322 | case VRF_BACKEND_NETNS: | |
323 | return(if_lookup_by_ifindex(ifindex, vrf_id)); | |
324 | case VRF_BACKEND_VRF_LITE: | |
325 | return(if_lookup_by_index_all_vrf(ifindex)); | |
326 | } | |
327 | return NULL; | |
328 | } | |
329 | ||
d62a17ae | 330 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 331 | { |
d62a17ae | 332 | struct interface *ifp; |
718e3744 | 333 | |
d62a17ae | 334 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
335 | ? ifp->name | |
336 | : "unknown"; | |
d2fc8896 | 337 | } |
338 | ||
d62a17ae | 339 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 340 | { |
d62a17ae | 341 | struct interface *ifp; |
d2fc8896 | 342 | |
a36898e7 | 343 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 344 | ? ifp->ifindex |
345 | : IFINDEX_INTERNAL; | |
718e3744 | 346 | } |
347 | ||
348 | /* Interface existance check by interface name. */ | |
a36898e7 | 349 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 350 | { |
a36898e7 | 351 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
f4e14fdb | 352 | struct interface if_tmp; |
d62a17ae | 353 | |
5b8524f5 RW |
354 | if (!vrf || !name |
355 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 356 | return NULL; |
f8962871 | 357 | |
f4e14fdb RW |
358 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
359 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
360 | } |
361 | ||
bcc24579 | 362 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 363 | { |
bcc24579 | 364 | struct vrf *vrf; |
d62a17ae | 365 | struct interface *ifp; |
a349198f | 366 | |
bcc24579 | 367 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 368 | return NULL; |
a349198f | 369 | |
bcc24579 | 370 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
a36898e7 | 371 | ifp = if_lookup_by_name(name, vrf->vrf_id); |
bcc24579 | 372 | if (ifp) |
d62a17ae | 373 | return ifp; |
374 | } | |
bcc24579 | 375 | |
d62a17ae | 376 | return NULL; |
a349198f | 377 | } |
378 | ||
ea7ec261 DD |
379 | struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex) |
380 | { | |
381 | struct vrf *vrf; | |
382 | struct interface *ifp; | |
383 | ||
384 | if (ifindex == IFINDEX_INTERNAL) | |
385 | return NULL; | |
386 | ||
387 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
47b474b5 | 388 | ifp = if_lookup_by_ifindex(ifindex, vrf->vrf_id); |
ea7ec261 DD |
389 | if (ifp) |
390 | return ifp; | |
391 | } | |
392 | ||
393 | return NULL; | |
394 | } | |
395 | ||
3923b6e3 | 396 | /* Lookup interface by IP address. */ |
d62a17ae | 397 | struct interface *if_lookup_exact_address(void *src, int family, |
398 | vrf_id_t vrf_id) | |
718e3744 | 399 | { |
f4e14fdb | 400 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 401 | struct listnode *cnode; |
402 | struct interface *ifp; | |
403 | struct prefix *p; | |
404 | struct connected *c; | |
405 | ||
451fda4f | 406 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 407 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
408 | p = c->address; | |
409 | ||
410 | if (p && (p->family == family)) { | |
411 | if (family == AF_INET) { | |
412 | if (IPV4_ADDR_SAME( | |
413 | &p->u.prefix4, | |
414 | (struct in_addr *)src)) | |
415 | return ifp; | |
416 | } else if (family == AF_INET6) { | |
417 | if (IPV6_ADDR_SAME( | |
418 | &p->u.prefix6, | |
419 | (struct in6_addr *)src)) | |
420 | return ifp; | |
421 | } | |
422 | } | |
0aabccc0 | 423 | } |
718e3744 | 424 | } |
d62a17ae | 425 | return NULL; |
718e3744 | 426 | } |
427 | ||
3923b6e3 | 428 | /* Lookup interface by IP address. */ |
d62a17ae | 429 | struct connected *if_lookup_address(void *matchaddr, int family, |
430 | vrf_id_t vrf_id) | |
718e3744 | 431 | { |
f4e14fdb | 432 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 433 | struct prefix addr; |
434 | int bestlen = 0; | |
435 | struct listnode *cnode; | |
436 | struct interface *ifp; | |
437 | struct connected *c; | |
438 | struct connected *match; | |
439 | ||
440 | if (family == AF_INET) { | |
441 | addr.family = AF_INET; | |
442 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
443 | addr.prefixlen = IPV4_MAX_BITLEN; | |
444 | } else if (family == AF_INET6) { | |
445 | addr.family = AF_INET6; | |
446 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
447 | addr.prefixlen = IPV6_MAX_BITLEN; | |
448 | } | |
718e3744 | 449 | |
d62a17ae | 450 | match = NULL; |
718e3744 | 451 | |
451fda4f | 452 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 453 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
454 | if (c->address && (c->address->family == AF_INET) | |
455 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
456 | && (c->address->prefixlen > bestlen)) { | |
457 | bestlen = c->address->prefixlen; | |
458 | match = c; | |
459 | } | |
460 | } | |
718e3744 | 461 | } |
d62a17ae | 462 | return match; |
718e3744 | 463 | } |
464 | ||
b81e97a8 | 465 | /* Lookup interface by prefix */ |
d62a17ae | 466 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 467 | { |
f4e14fdb | 468 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 469 | struct listnode *cnode; |
470 | struct interface *ifp; | |
471 | struct connected *c; | |
472 | ||
451fda4f | 473 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 474 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
475 | if (prefix_cmp(c->address, prefix) == 0) { | |
476 | return ifp; | |
477 | } | |
478 | } | |
479 | } | |
480 | return NULL; | |
b81e97a8 DD |
481 | } |
482 | ||
dad18a2f QY |
483 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
484 | struct interface ***result, vrf_id_t vrf_id) | |
485 | { | |
486 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
487 | ||
488 | struct list *rs = list_new(); | |
489 | struct interface *ifp; | |
490 | ||
491 | FOR_ALL_INTERFACES (vrf, ifp) { | |
492 | if (ifp->hw_addr_len == (int)addrsz | |
493 | && !memcmp(hw_addr, ifp->hw_addr, addrsz)) | |
494 | listnode_add(rs, ifp); | |
495 | } | |
496 | ||
497 | if (rs->count) { | |
498 | *result = XCALLOC(MTYPE_TMP, | |
499 | sizeof(struct interface *) * rs->count); | |
500 | list_to_array(rs, (void **)*result, rs->count); | |
501 | } | |
502 | ||
503 | int count = rs->count; | |
504 | ||
505 | list_delete(&rs); | |
506 | ||
507 | return count; | |
508 | } | |
509 | ||
510 | ||
718e3744 | 511 | /* Get interface by name if given name interface doesn't exist create |
512 | one. */ | |
a36898e7 | 513 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 514 | { |
8f90d89b | 515 | struct interface *ifp; |
718e3744 | 516 | |
8f90d89b | 517 | switch (vrf_get_backend()) { |
b0b97a7f | 518 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 519 | case VRF_BACKEND_NETNS: |
a36898e7 | 520 | ifp = if_lookup_by_name(name, vrf_id); |
ee2f2c23 TC |
521 | if (ifp) |
522 | return ifp; | |
d5c65bf1 | 523 | return if_create_name(name, vrf_id); |
8f90d89b RW |
524 | case VRF_BACKEND_VRF_LITE: |
525 | ifp = if_lookup_by_name_all_vrf(name); | |
526 | if (ifp) { | |
a36898e7 | 527 | if (ifp->vrf_id == vrf_id) |
379eb245 | 528 | return ifp; |
8f90d89b RW |
529 | /* If it came from the kernel or by way of zclient, |
530 | * believe it and update the ifp accordingly. | |
531 | */ | |
a36898e7 | 532 | if_update_to_new_vrf(ifp, vrf_id); |
8f90d89b | 533 | return ifp; |
ee2f2c23 | 534 | } |
d5c65bf1 | 535 | return if_create_name(name, vrf_id); |
85f9da7f | 536 | } |
8f90d89b RW |
537 | |
538 | return NULL; | |
8736158a FL |
539 | } |
540 | ||
ea7ec261 DD |
541 | struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id) |
542 | { | |
543 | struct interface *ifp; | |
544 | ||
545 | switch (vrf_get_backend()) { | |
546 | case VRF_BACKEND_UNKNOWN: | |
547 | case VRF_BACKEND_NETNS: | |
47b474b5 | 548 | ifp = if_lookup_by_ifindex(ifindex, vrf_id); |
ea7ec261 DD |
549 | if (ifp) |
550 | return ifp; | |
551 | return if_create_ifindex(ifindex, vrf_id); | |
552 | case VRF_BACKEND_VRF_LITE: | |
553 | ifp = if_lookup_by_index_all_vrf(ifindex); | |
554 | if (ifp) { | |
555 | if (ifp->vrf_id == vrf_id) | |
556 | return ifp; | |
557 | /* If it came from the kernel or by way of zclient, | |
558 | * believe it and update the ifp accordingly. | |
559 | */ | |
560 | if_update_to_new_vrf(ifp, vrf_id); | |
561 | return ifp; | |
562 | } | |
563 | return if_create_ifindex(ifindex, vrf_id); | |
564 | } | |
565 | ||
566 | return NULL; | |
567 | } | |
568 | ||
ff880b78 RW |
569 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
570 | { | |
5b8524f5 RW |
571 | struct vrf *vrf; |
572 | ||
d5c65bf1 | 573 | vrf = vrf_get(ifp->vrf_id, NULL); |
5b8524f5 | 574 | assert(vrf); |
ff880b78 RW |
575 | |
576 | if (ifp->ifindex == ifindex) | |
577 | return; | |
578 | ||
579 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
d5c65bf1 | 580 | IFINDEX_RB_REMOVE(vrf, ifp); |
ff880b78 RW |
581 | |
582 | ifp->ifindex = ifindex; | |
583 | ||
584 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
585 | IFINDEX_RB_INSERT(vrf, ifp) | |
586 | } | |
587 | ||
d5c65bf1 SW |
588 | void if_set_name(struct interface *ifp, const char *name) |
589 | { | |
590 | struct vrf *vrf; | |
591 | ||
592 | vrf = vrf_get(ifp->vrf_id, NULL); | |
593 | assert(vrf); | |
594 | ||
595 | if (if_cmp_name_func(ifp->name, name) == 0) | |
596 | return; | |
597 | ||
598 | if (ifp->name[0] != '\0') | |
599 | IFNAME_RB_REMOVE(vrf, ifp); | |
600 | ||
601 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
602 | ||
603 | if (ifp->name[0] != '\0') | |
604 | IFNAME_RB_INSERT(vrf, ifp); | |
605 | } | |
606 | ||
718e3744 | 607 | /* Does interface up ? */ |
6339042c | 608 | int if_is_up(const struct interface *ifp) |
718e3744 | 609 | { |
d62a17ae | 610 | return ifp->flags & IFF_UP; |
718e3744 | 611 | } |
612 | ||
2e3b2e47 | 613 | /* Is interface running? */ |
6339042c | 614 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 615 | { |
d62a17ae | 616 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 617 | } |
618 | ||
619 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
620 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
621 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 622 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 623 | { |
d62a17ae | 624 | return ((ifp->flags & IFF_UP) |
625 | && (((ifp->flags & IFF_RUNNING) | |
626 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
627 | || !CHECK_FLAG(ifp->status, | |
628 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
629 | } |
630 | ||
631 | /* Is the interface operative, eg. either UP & RUNNING | |
632 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 633 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 634 | { |
d62a17ae | 635 | return ((ifp->flags & IFF_UP) |
636 | && ((ifp->flags & IFF_RUNNING) | |
637 | || !CHECK_FLAG(ifp->status, | |
638 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 639 | } |
640 | ||
718e3744 | 641 | /* Is this loopback interface ? */ |
6339042c | 642 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 643 | { |
d62a17ae | 644 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
645 | * but Y on platform N? | |
646 | */ | |
647 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 648 | } |
649 | ||
0c74bbe0 | 650 | /* Check interface is VRF */ |
6339042c | 651 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
652 | { |
653 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
654 | } | |
655 | ||
6339042c | 656 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
657 | { |
658 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
659 | return true; | |
660 | ||
661 | return false; | |
662 | } | |
663 | ||
718e3744 | 664 | /* Does this interface support broadcast ? */ |
6339042c | 665 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 666 | { |
d62a17ae | 667 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 668 | } |
669 | ||
670 | /* Does this interface support broadcast ? */ | |
6339042c | 671 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 672 | { |
d62a17ae | 673 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 674 | } |
675 | ||
676 | /* Does this interface support multicast ? */ | |
6339042c | 677 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 678 | { |
d62a17ae | 679 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 680 | } |
681 | ||
682 | /* Printout flag information into log */ | |
d62a17ae | 683 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 684 | { |
d62a17ae | 685 | int separator = 0; |
686 | static char logbuf[BUFSIZ]; | |
687 | ||
688 | #define IFF_OUT_LOG(X, STR) \ | |
689 | if (flag & (X)) { \ | |
690 | if (separator) \ | |
3393df5c | 691 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 692 | else \ |
693 | separator = 1; \ | |
3393df5c | 694 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 695 | } |
718e3744 | 696 | |
d62a17ae | 697 | strlcpy(logbuf, "<", BUFSIZ); |
698 | IFF_OUT_LOG(IFF_UP, "UP"); | |
699 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
700 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
701 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
702 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
703 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
704 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
705 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
706 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
707 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
708 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
709 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
710 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
711 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
712 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
713 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
714 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
715 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
716 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
717 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
718 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
719 | ||
3393df5c | 720 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 721 | |
722 | return logbuf; | |
630c97ce | 723 | #undef IFF_OUT_LOG |
718e3744 | 724 | } |
725 | ||
726 | /* For debugging */ | |
d62a17ae | 727 | static void if_dump(const struct interface *ifp) |
718e3744 | 728 | { |
d62a17ae | 729 | struct listnode *node; |
730 | struct connected *c __attribute__((unused)); | |
731 | ||
732 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
733 | zlog_info( | |
734 | "Interface %s vrf %u index %d metric %d mtu %d " | |
735 | "mtu6 %d %s", | |
a36898e7 | 736 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, |
d62a17ae | 737 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); |
718e3744 | 738 | } |
739 | ||
740 | /* Interface printing for all interface. */ | |
d62a17ae | 741 | void if_dump_all(void) |
718e3744 | 742 | { |
d62a17ae | 743 | struct vrf *vrf; |
f4e14fdb | 744 | void *ifp; |
d62a17ae | 745 | |
a2addae8 | 746 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 747 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 748 | if_dump(ifp); |
718e3744 | 749 | } |
750 | ||
98954844 PJ |
751 | #ifdef SUNOS_5 |
752 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
753 | * a seperate struct interface for each logical interface, so config | |
754 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
755 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
756 | * interfaces can be fruitless, for that reason Quagga only tracks | |
757 | * the primary IP interface. | |
758 | * | |
759 | * We try accomodate SUNWzebra by: | |
760 | * - looking up the interface name, to see whether it exists, if so | |
761 | * its useable | |
762 | * - for protocol daemons, this could only because zebra told us of | |
763 | * the interface | |
764 | * - for zebra, only because it learnt from kernel | |
765 | * - if not: | |
766 | * - search the name to see if it contains a sub-ipif / logical interface | |
767 | * seperator, the ':' char. If it does: | |
768 | * - text up to that char must be the primary name - get that name. | |
769 | * if not: | |
770 | * - no idea, just get the name in its entirety. | |
771 | */ | |
a36898e7 | 772 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 773 | { |
d62a17ae | 774 | struct interface *ifp; |
bcc24579 | 775 | char *cp; |
d62a17ae | 776 | |
a36898e7 | 777 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 778 | return ifp; |
779 | ||
780 | /* hunt the primary interface name... */ | |
bcc24579 RW |
781 | cp = strchr(name, ':'); |
782 | if (cp) | |
783 | *cp = '\0'; | |
d62a17ae | 784 | |
a36898e7 | 785 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
786 | } |
787 | #endif /* SUNOS_5 */ | |
6b0655a2 | 788 | |
d7d73ffc | 789 | #if 0 |
718e3744 | 790 | /* For debug purpose. */ |
791 | DEFUN (show_address, | |
792 | show_address_cmd, | |
199d90a1 | 793 | "show address [vrf NAME]", |
718e3744 | 794 | SHOW_STR |
fcbee690 QY |
795 | "address\n" |
796 | VRF_CMD_HELP_STR) | |
718e3744 | 797 | { |
abddf075 | 798 | int idx_vrf = 3; |
52dc7ee6 | 799 | struct listnode *node; |
718e3744 | 800 | struct interface *ifp; |
801 | struct connected *ifc; | |
802 | struct prefix *p; | |
8736158a | 803 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 804 | |
fcbee690 | 805 | if (argc > 2) |
58749582 | 806 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 807 | |
451fda4f | 808 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 809 | { |
f4e14fdb | 810 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 811 | { |
718e3744 | 812 | p = ifc->address; |
813 | ||
814 | if (p->family == AF_INET) | |
55f70b67 | 815 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 816 | } |
817 | } | |
818 | return CMD_SUCCESS; | |
819 | } | |
820 | ||
8736158a FL |
821 | DEFUN (show_address_vrf_all, |
822 | show_address_vrf_all_cmd, | |
9ccf14f7 | 823 | "show address vrf all", |
8736158a FL |
824 | SHOW_STR |
825 | "address\n" | |
826 | VRF_ALL_CMD_HELP_STR) | |
827 | { | |
1a1a7065 | 828 | struct vrf *vrf; |
8736158a | 829 | struct listnode *node; |
8736158a FL |
830 | struct interface *ifp; |
831 | struct connected *ifc; | |
832 | struct prefix *p; | |
8736158a | 833 | |
a62c4901 | 834 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 835 | { |
f4e14fdb | 836 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
837 | continue; |
838 | ||
55f70b67 | 839 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 840 | |
451fda4f | 841 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 842 | { |
f4e14fdb | 843 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
844 | { |
845 | p = ifc->address; | |
846 | ||
847 | if (p->family == AF_INET) | |
55f70b67 | 848 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
849 | } |
850 | } | |
851 | } | |
852 | return CMD_SUCCESS; | |
853 | } | |
d7d73ffc | 854 | #endif |
8736158a | 855 | |
718e3744 | 856 | /* Allocate connected structure. */ |
d62a17ae | 857 | struct connected *connected_new(void) |
718e3744 | 858 | { |
d62a17ae | 859 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 860 | } |
861 | ||
a80beece | 862 | /* Allocate nbr connected structure. */ |
d62a17ae | 863 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 864 | { |
d62a17ae | 865 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
866 | } |
867 | ||
718e3744 | 868 | /* Free connected structure. */ |
d62a17ae | 869 | void connected_free(struct connected *connected) |
718e3744 | 870 | { |
d62a17ae | 871 | if (connected->address) |
872 | prefix_free(connected->address); | |
718e3744 | 873 | |
d62a17ae | 874 | if (connected->destination) |
875 | prefix_free(connected->destination); | |
718e3744 | 876 | |
0a22ddfb | 877 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 878 | |
d62a17ae | 879 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 880 | } |
881 | ||
a80beece | 882 | /* Free nbr connected structure. */ |
d62a17ae | 883 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 884 | { |
d62a17ae | 885 | if (connected->address) |
886 | prefix_free(connected->address); | |
a80beece | 887 | |
d62a17ae | 888 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
889 | } |
890 | ||
891 | /* If same interface nbr address already exists... */ | |
d62a17ae | 892 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
893 | struct prefix *p) | |
a80beece | 894 | { |
d62a17ae | 895 | struct nbr_connected *ifc; |
896 | struct listnode *node; | |
a80beece | 897 | |
d62a17ae | 898 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
899 | if (prefix_same(ifc->address, p)) | |
900 | return ifc; | |
a80beece | 901 | |
d62a17ae | 902 | return NULL; |
a80beece DS |
903 | } |
904 | ||
718e3744 | 905 | /* Print if_addr structure. */ |
d62a17ae | 906 | static void __attribute__((unused)) |
907 | connected_log(struct connected *connected, char *str) | |
718e3744 | 908 | { |
d62a17ae | 909 | struct prefix *p; |
910 | struct interface *ifp; | |
911 | char logbuf[BUFSIZ]; | |
912 | char buf[BUFSIZ]; | |
913 | ||
914 | ifp = connected->ifp; | |
915 | p = connected->address; | |
916 | ||
917 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
a36898e7 | 918 | ifp->name, ifp->vrf_id, prefix_family_str(p), |
d62a17ae | 919 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
920 | ||
921 | p = connected->destination; | |
922 | if (p) { | |
923 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
924 | BUFSIZ - strlen(logbuf)); | |
925 | } | |
926 | zlog_info("%s", logbuf); | |
718e3744 | 927 | } |
928 | ||
a80beece | 929 | /* Print if_addr structure. */ |
d62a17ae | 930 | static void __attribute__((unused)) |
931 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 932 | { |
d62a17ae | 933 | struct prefix *p; |
934 | struct interface *ifp; | |
935 | char logbuf[BUFSIZ]; | |
936 | char buf[BUFSIZ]; | |
a80beece | 937 | |
d62a17ae | 938 | ifp = connected->ifp; |
939 | p = connected->address; | |
a80beece | 940 | |
d62a17ae | 941 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
942 | prefix_family_str(p), | |
943 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 944 | |
d62a17ae | 945 | zlog_info("%s", logbuf); |
a80beece DS |
946 | } |
947 | ||
718e3744 | 948 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 949 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 950 | { |
d62a17ae | 951 | if (p1->family == p2->family) { |
952 | if (p1->family == AF_INET | |
953 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
954 | return 1; | |
955 | if (p1->family == AF_INET6 | |
956 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
957 | return 1; | |
958 | } | |
959 | return 0; | |
718e3744 | 960 | } |
961 | ||
d62a17ae | 962 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
963 | struct prefix *p) | |
38485402 | 964 | { |
d62a17ae | 965 | struct listnode *node; |
966 | struct listnode *next; | |
967 | struct connected *ifc; | |
38485402 | 968 | |
d62a17ae | 969 | for (node = listhead(ifp->connected); node; node = next) { |
970 | ifc = listgetdata(node); | |
971 | next = node->next; | |
38485402 | 972 | |
d62a17ae | 973 | if (connected_same_prefix(ifc->address, p)) |
974 | return ifc; | |
975 | } | |
976 | return NULL; | |
38485402 DS |
977 | } |
978 | ||
d62a17ae | 979 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
980 | struct prefix *p) | |
718e3744 | 981 | { |
d62a17ae | 982 | struct listnode *node; |
983 | struct listnode *next; | |
984 | struct connected *ifc; | |
985 | ||
986 | /* In case of same prefix come, replace it with new one. */ | |
987 | for (node = listhead(ifp->connected); node; node = next) { | |
988 | ifc = listgetdata(node); | |
989 | next = node->next; | |
990 | ||
991 | if (connected_same_prefix(ifc->address, p)) { | |
992 | listnode_delete(ifp->connected, ifc); | |
993 | return ifc; | |
994 | } | |
718e3744 | 995 | } |
d62a17ae | 996 | return NULL; |
718e3744 | 997 | } |
998 | ||
bd40c341 | 999 | /* Find the address on our side that will be used when packets |
727d104b | 1000 | are sent to dst. */ |
d62a17ae | 1001 | struct connected *connected_lookup_prefix(struct interface *ifp, |
1002 | struct prefix *addr) | |
727d104b | 1003 | { |
d62a17ae | 1004 | struct listnode *cnode; |
1005 | struct connected *c; | |
1006 | struct connected *match; | |
1007 | ||
1008 | match = NULL; | |
1009 | ||
1010 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
1011 | if (c->address && (c->address->family == addr->family) | |
1012 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
1013 | && (!match | |
1014 | || (c->address->prefixlen > match->address->prefixlen))) | |
1015 | match = c; | |
1016 | } | |
1017 | return match; | |
727d104b | 1018 | } |
1019 | ||
d62a17ae | 1020 | struct connected *connected_add_by_prefix(struct interface *ifp, |
1021 | struct prefix *p, | |
1022 | struct prefix *destination) | |
4a7aac1b | 1023 | { |
d62a17ae | 1024 | struct connected *ifc; |
4a7aac1b | 1025 | |
d62a17ae | 1026 | /* Allocate new connected address. */ |
1027 | ifc = connected_new(); | |
1028 | ifc->ifp = ifp; | |
4a7aac1b | 1029 | |
d62a17ae | 1030 | /* Fetch interface address */ |
1031 | ifc->address = prefix_new(); | |
1032 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1033 | |
d62a17ae | 1034 | /* Fetch dest address */ |
1035 | if (destination) { | |
1036 | ifc->destination = prefix_new(); | |
1037 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1038 | } | |
4a7aac1b | 1039 | |
d62a17ae | 1040 | /* Add connected address to the interface. */ |
1041 | listnode_add(ifp->connected, ifc); | |
1042 | return ifc; | |
4a7aac1b | 1043 | } |
1044 | ||
667179ca QY |
1045 | struct connected *connected_get_linklocal(struct interface *ifp) |
1046 | { | |
1047 | struct listnode *n; | |
1048 | struct connected *c = NULL; | |
1049 | ||
1050 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
1051 | if (c->address->family == AF_INET6 | |
1052 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
1053 | break; | |
1054 | } | |
1055 | return c; | |
1056 | } | |
1057 | ||
d62a17ae | 1058 | #if 0 /* this route_table of struct connected's is unused \ |
1059 | * however, it would be good to use a route_table rather than \ | |
1060 | * a list.. \ | |
1061 | */ | |
718e3744 | 1062 | /* Interface looking up by interface's address. */ |
718e3744 | 1063 | /* Interface's IPv4 address reverse lookup table. */ |
1064 | struct route_table *ifaddr_ipv4_table; | |
1065 | /* struct route_table *ifaddr_ipv6_table; */ | |
1066 | ||
8cc4198f | 1067 | static void |
718e3744 | 1068 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1069 | { | |
1070 | struct route_node *rn; | |
1071 | struct prefix_ipv4 p; | |
1072 | ||
1073 | p.family = AF_INET; | |
1074 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1075 | p.prefix = *ifaddr; | |
1076 | ||
1077 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1078 | if (rn) | |
1079 | { | |
1080 | route_unlock_node (rn); | |
1081 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1082 | inet_ntoa (*ifaddr)); | |
1083 | return; | |
1084 | } | |
1085 | rn->info = ifp; | |
1086 | } | |
1087 | ||
8cc4198f | 1088 | static void |
718e3744 | 1089 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1090 | { | |
1091 | struct route_node *rn; | |
1092 | struct prefix_ipv4 p; | |
1093 | ||
1094 | p.family = AF_INET; | |
1095 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1096 | p.prefix = *ifaddr; | |
1097 | ||
1098 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1099 | if (! rn) | |
1100 | { | |
1101 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1102 | inet_ntoa (*ifaddr)); | |
1103 | return; | |
1104 | } | |
1105 | rn->info = NULL; | |
1106 | route_unlock_node (rn); | |
1107 | route_unlock_node (rn); | |
1108 | } | |
1109 | ||
1110 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1111 | static struct interface * |
b892f1dd | 1112 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1113 | { |
1114 | struct prefix_ipv4 p; | |
1115 | struct route_node *rn; | |
1116 | struct interface *ifp; | |
718e3744 | 1117 | |
1118 | if (addr) | |
1119 | { | |
1120 | p.family = AF_INET; | |
1121 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1122 | p.prefix = *addr; | |
1123 | ||
1124 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1125 | if (! rn) | |
1126 | return NULL; | |
55cd0f61 | 1127 | |
718e3744 | 1128 | ifp = rn->info; |
1129 | route_unlock_node (rn); | |
1130 | return ifp; | |
1131 | } | |
1132 | else | |
7e2b7603 | 1133 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1134 | } |
8cc4198f | 1135 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1136 | |
f4e14fdb | 1137 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1138 | { |
f4e14fdb | 1139 | struct interface *ifp; |
4bd045d5 | 1140 | |
55cd0f61 DS |
1141 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1142 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1143 | ||
d62a17ae | 1144 | if (ifp->node) { |
1145 | ifp->node->info = NULL; | |
1146 | route_unlock_node(ifp->node); | |
1147 | } | |
d62a17ae | 1148 | if_delete(ifp); |
1149 | } | |
4bd045d5 | 1150 | } |
8ccc7e80 | 1151 | |
d62a17ae | 1152 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1153 | { |
d62a17ae | 1154 | switch (llt) { |
8ccc7e80 | 1155 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1156 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1157 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1158 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1159 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1160 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1161 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1162 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1163 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1164 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1165 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1166 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1167 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1168 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1169 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1170 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1171 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1172 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1173 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1174 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1175 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1176 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1177 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1178 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1179 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1180 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1181 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1182 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1183 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1184 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1185 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1186 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1187 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1188 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1189 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1190 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1191 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1192 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1193 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1194 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1195 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1196 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1197 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1198 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1199 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1200 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1201 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1202 | default: | |
450971aa | 1203 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1204 | return "Unknown type!"; |
8ccc7e80 | 1205 | #undef llts |
d62a17ae | 1206 | } |
1207 | return NULL; | |
8ccc7e80 | 1208 | } |
16f1b9ee | 1209 | |
d62a17ae | 1210 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1211 | { |
d62a17ae | 1212 | int i; |
16f1b9ee | 1213 | |
d62a17ae | 1214 | if (ifp->link_params != NULL) |
1215 | return ifp->link_params; | |
16f1b9ee | 1216 | |
d62a17ae | 1217 | struct if_link_params *iflp = |
1218 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1219 | if (iflp == NULL) | |
1220 | return NULL; | |
16f1b9ee | 1221 | |
d62a17ae | 1222 | /* Set TE metric equal to standard metric */ |
1223 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1224 | |
d62a17ae | 1225 | /* Compute default bandwidth based on interface */ |
1226 | iflp->default_bw = | |
1227 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1228 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1229 | |
d62a17ae | 1230 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1231 | iflp->max_bw = iflp->default_bw; | |
1232 | iflp->max_rsv_bw = iflp->default_bw; | |
1233 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1234 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1235 | |
d62a17ae | 1236 | /* Update Link parameters status */ |
1237 | iflp->lp_status = | |
1238 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1239 | |
d62a17ae | 1240 | /* Finally attach newly created Link Parameters */ |
1241 | ifp->link_params = iflp; | |
16f1b9ee | 1242 | |
d62a17ae | 1243 | return iflp; |
16f1b9ee OD |
1244 | } |
1245 | ||
d62a17ae | 1246 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1247 | { |
d62a17ae | 1248 | if (ifp->link_params == NULL) |
1249 | return; | |
1250 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1251 | ifp->link_params = NULL; | |
16f1b9ee | 1252 | } |
a4bed468 | 1253 | |
8f90d89b RW |
1254 | /* ----------- CLI commands ----------- */ |
1255 | ||
1256 | /* | |
1257 | * XPath: /frr-interface:lib/interface | |
1258 | */ | |
1259 | DEFPY_NOSH (interface, | |
1260 | interface_cmd, | |
e429a2a0 | 1261 | "interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1262 | "Select an interface to configure\n" |
1263 | "Interface's name\n" | |
1264 | VRF_CMD_HELP_STR) | |
1265 | { | |
1266 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1267 | vrf_id_t vrf_id; |
1268 | struct interface *ifp; | |
8f90d89b RW |
1269 | int ret; |
1270 | ||
e429a2a0 IR |
1271 | if (!vrf_name) |
1272 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b RW |
1273 | |
1274 | /* | |
1275 | * This command requires special handling to maintain backward | |
1276 | * compatibility. If a VRF name is not specified, it means we're willing | |
1277 | * to accept any interface with the given name on any VRF. If no | |
1278 | * interface is found, then a new one should be created on the default | |
1279 | * VRF. | |
1280 | */ | |
e429a2a0 | 1281 | VRF_GET_ID(vrf_id, vrf_name, false); |
a36898e7 DS |
1282 | ifp = if_lookup_by_name_all_vrf(ifname); |
1283 | if (ifp && ifp->vrf_id != vrf_id) { | |
1284 | struct vrf *vrf; | |
1285 | ||
8f90d89b RW |
1286 | /* |
1287 | * Special case 1: a VRF name was specified, but the found | |
1288 | * interface is associated to different VRF. Reject the command. | |
1289 | */ | |
a36898e7 | 1290 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b | 1291 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
e429a2a0 | 1292 | vrf_name); |
8f90d89b RW |
1293 | return CMD_WARNING_CONFIG_FAILED; |
1294 | } | |
1295 | ||
1296 | /* | |
1297 | * Special case 2: a VRF name was *not* specified, and the found | |
1298 | * interface is associated to a VRF other than the default one. | |
e429a2a0 | 1299 | * Update vrf_id and vrf_name to account for that. |
8f90d89b | 1300 | */ |
a36898e7 | 1301 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1302 | assert(vrf); |
a36898e7 | 1303 | vrf_id = ifp->vrf_id; |
e429a2a0 | 1304 | vrf_name = vrf->name; |
8f90d89b RW |
1305 | } |
1306 | ||
1307 | snprintf(xpath_list, sizeof(xpath_list), | |
1308 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
e429a2a0 | 1309 | vrf_name); |
8f90d89b | 1310 | |
a6233bfc RW |
1311 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1312 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1313 | if (ret == CMD_SUCCESS) { |
1314 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1315 | ||
1316 | /* | |
1317 | * For backward compatibility with old commands we still need | |
1318 | * to use the qobj infrastructure. This can be removed once | |
1319 | * all interface-level commands are converted to the new | |
1320 | * northbound model. | |
1321 | */ | |
a36898e7 | 1322 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1323 | if (ifp) |
1324 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1325 | } | |
1326 | ||
1327 | return ret; | |
1328 | } | |
1329 | ||
1330 | DEFPY (no_interface, | |
1331 | no_interface_cmd, | |
e429a2a0 | 1332 | "no interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1333 | NO_STR |
1334 | "Delete a pseudo interface's configuration\n" | |
1335 | "Interface's name\n" | |
1336 | VRF_CMD_HELP_STR) | |
1337 | { | |
e429a2a0 IR |
1338 | if (!vrf_name) |
1339 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b | 1340 | |
95ce849b | 1341 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1342 | |
a6233bfc RW |
1343 | return nb_cli_apply_changes( |
1344 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
e429a2a0 | 1345 | ifname, vrf_name); |
8f90d89b RW |
1346 | } |
1347 | ||
1348 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1349 | bool show_defaults) | |
1350 | { | |
1351 | const char *vrf; | |
1352 | ||
1353 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1354 | ||
1355 | vty_out(vty, "!\n"); | |
1356 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1357 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1358 | vty_out(vty, " vrf %s", vrf); | |
1359 | vty_out(vty, "\n"); | |
1360 | } | |
1361 | ||
1362 | /* | |
1363 | * XPath: /frr-interface:lib/interface/description | |
1364 | */ | |
1365 | DEFPY (interface_desc, | |
1366 | interface_desc_cmd, | |
1367 | "description LINE...", | |
1368 | "Interface specific description\n" | |
1369 | "Characters describing this interface\n") | |
1370 | { | |
8f90d89b RW |
1371 | char *desc; |
1372 | int ret; | |
1373 | ||
1374 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1375 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1376 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1377 | XFREE(MTYPE_TMP, desc); |
1378 | ||
1379 | return ret; | |
1380 | } | |
1381 | ||
1382 | DEFPY (no_interface_desc, | |
1383 | no_interface_desc_cmd, | |
1384 | "no description", | |
1385 | NO_STR | |
1386 | "Interface specific description\n") | |
1387 | { | |
95ce849b | 1388 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1389 | |
1390 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1391 | } |
1392 | ||
1393 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1394 | bool show_defaults) | |
1395 | { | |
1396 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1397 | } | |
1398 | ||
1399 | /* Interface autocomplete. */ | |
1400 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1401 | { | |
1402 | struct interface *ifp; | |
1403 | struct vrf *vrf; | |
1404 | ||
1405 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1406 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1407 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1408 | } | |
1409 | } | |
1410 | } | |
1411 | ||
1412 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1413 | {/* "interface NAME" */ | |
1414 | .varname = "interface", | |
1415 | .completions = if_autocomplete}, | |
1416 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1417 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1418 | {.completions = NULL}}; | |
1419 | ||
1420 | void if_cmd_init(void) | |
1421 | { | |
1422 | cmd_variable_handler_register(if_var_handlers); | |
1423 | ||
1424 | install_element(CONFIG_NODE, &interface_cmd); | |
1425 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1426 | ||
1427 | install_default(INTERFACE_NODE); | |
1428 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1429 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1430 | } | |
1431 | ||
138c5a74 DS |
1432 | void if_zapi_callbacks(int (*create)(struct interface *ifp), |
1433 | int (*up)(struct interface *ifp), | |
1434 | int (*down)(struct interface *ifp), | |
1435 | int (*destroy)(struct interface *ifp)) | |
1436 | { | |
1437 | ifp_master.create_hook = create; | |
1438 | ifp_master.up_hook = up; | |
1439 | ifp_master.down_hook = down; | |
1440 | ifp_master.destroy_hook = destroy; | |
1441 | } | |
1442 | ||
a4bed468 RW |
1443 | /* ------- Northbound callbacks ------- */ |
1444 | ||
1445 | /* | |
1446 | * XPath: /frr-interface:lib/interface | |
1447 | */ | |
1448 | static int lib_interface_create(enum nb_event event, | |
1449 | const struct lyd_node *dnode, | |
1450 | union nb_resource *resource) | |
1451 | { | |
8f90d89b RW |
1452 | const char *ifname; |
1453 | const char *vrfname; | |
1454 | struct vrf *vrf; | |
a36898e7 | 1455 | struct interface *ifp; |
8f90d89b RW |
1456 | |
1457 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1458 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1459 | ||
1460 | switch (event) { | |
1461 | case NB_EV_VALIDATE: | |
1462 | vrf = vrf_lookup_by_name(vrfname); | |
1463 | if (!vrf) { | |
1464 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1465 | vrfname); | |
1466 | return NB_ERR_VALIDATION; | |
1467 | } | |
a36898e7 DS |
1468 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1469 | zlog_warn("%s: VRF %s is not active", __func__, | |
1470 | vrf->name); | |
1471 | return NB_ERR_VALIDATION; | |
1472 | } | |
72261ecd | 1473 | |
b0b97a7f PG |
1474 | /* if VRF is netns or not yet known - init for instance |
1475 | * then assumption is that passed config is exact | |
1476 | * then the user intent was not to use an other iface | |
1477 | */ | |
8f90d89b RW |
1478 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1479 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1480 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1481 | zlog_warn( |
1482 | "%s: interface %s already exists in another VRF", | |
1483 | __func__, ifp->name); | |
1484 | return NB_ERR_VALIDATION; | |
1485 | } | |
1486 | } | |
1487 | break; | |
1488 | case NB_EV_PREPARE: | |
1489 | case NB_EV_ABORT: | |
1490 | break; | |
1491 | case NB_EV_APPLY: | |
1492 | vrf = vrf_lookup_by_name(vrfname); | |
1493 | assert(vrf); | |
1494 | #ifdef SUNOS_5 | |
a36898e7 | 1495 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1496 | #else |
a36898e7 | 1497 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1498 | #endif /* SUNOS_5 */ |
1d311a05 DS |
1499 | |
1500 | ifp->configured = true; | |
ccd43ada | 1501 | nb_running_set_entry(dnode, ifp); |
8f90d89b RW |
1502 | break; |
1503 | } | |
1504 | ||
a4bed468 RW |
1505 | return NB_OK; |
1506 | } | |
1507 | ||
6a3fdeec RW |
1508 | static int lib_interface_destroy(enum nb_event event, |
1509 | const struct lyd_node *dnode) | |
a4bed468 | 1510 | { |
8f90d89b RW |
1511 | struct interface *ifp; |
1512 | ||
8f90d89b RW |
1513 | |
1514 | switch (event) { | |
1515 | case NB_EV_VALIDATE: | |
ccd43ada | 1516 | ifp = nb_running_get_entry(dnode, NULL, true); |
8f90d89b RW |
1517 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
1518 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1519 | __func__); | |
1520 | return NB_ERR_VALIDATION; | |
1521 | } | |
1522 | break; | |
1523 | case NB_EV_PREPARE: | |
1524 | case NB_EV_ABORT: | |
1525 | break; | |
1526 | case NB_EV_APPLY: | |
ccd43ada | 1527 | ifp = nb_running_unset_entry(dnode); |
1d311a05 DS |
1528 | |
1529 | ifp->configured = false; | |
8f90d89b RW |
1530 | if_delete(ifp); |
1531 | break; | |
1532 | } | |
1533 | ||
a4bed468 RW |
1534 | return NB_OK; |
1535 | } | |
1536 | ||
f88647ef QY |
1537 | /* |
1538 | * XPath: /frr-interface:lib/interface | |
1539 | */ | |
1540 | static const void *lib_interface_get_next(const void *parent_list_entry, | |
1541 | const void *list_entry) | |
1542 | { | |
1543 | struct vrf *vrf; | |
1544 | struct interface *pif = (struct interface *)list_entry; | |
1545 | ||
1546 | if (list_entry == NULL) { | |
1547 | vrf = RB_MIN(vrf_name_head, &vrfs_by_name); | |
1548 | assert(vrf); | |
1549 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1550 | } else { | |
1551 | vrf = vrf_lookup_by_id(pif->vrf_id); | |
1552 | pif = RB_NEXT(if_name_head, pif); | |
1553 | /* if no more interfaces, switch to next vrf */ | |
1554 | while (pif == NULL) { | |
1555 | vrf = RB_NEXT(vrf_name_head, vrf); | |
1556 | if (!vrf) | |
1557 | return NULL; | |
1558 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | return pif; | |
1563 | } | |
1564 | ||
1565 | static int lib_interface_get_keys(const void *list_entry, | |
1566 | struct yang_list_keys *keys) | |
1567 | { | |
1568 | const struct interface *ifp = list_entry; | |
1569 | ||
1570 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1571 | ||
1572 | assert(vrf); | |
1573 | ||
1574 | keys->num = 2; | |
1575 | strlcpy(keys->key[0], ifp->name, sizeof(keys->key[0])); | |
1576 | strlcpy(keys->key[1], vrf->name, sizeof(keys->key[1])); | |
1577 | ||
1578 | return NB_OK; | |
1579 | } | |
1580 | ||
1581 | static const void *lib_interface_lookup_entry(const void *parent_list_entry, | |
1582 | const struct yang_list_keys *keys) | |
1583 | { | |
1584 | const char *ifname = keys->key[0]; | |
1585 | const char *vrfname = keys->key[1]; | |
1586 | struct vrf *vrf = vrf_lookup_by_name(vrfname); | |
1587 | ||
68a4422d | 1588 | return vrf ? if_lookup_by_name(ifname, vrf->vrf_id) : NULL; |
f88647ef QY |
1589 | } |
1590 | ||
a4bed468 RW |
1591 | /* |
1592 | * XPath: /frr-interface:lib/interface/description | |
1593 | */ | |
1594 | static int lib_interface_description_modify(enum nb_event event, | |
1595 | const struct lyd_node *dnode, | |
1596 | union nb_resource *resource) | |
1597 | { | |
8f90d89b RW |
1598 | struct interface *ifp; |
1599 | const char *description; | |
1600 | ||
1601 | if (event != NB_EV_APPLY) | |
1602 | return NB_OK; | |
1603 | ||
ccd43ada | 1604 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1605 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1606 | description = yang_dnode_get_string(dnode, NULL); |
1607 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1608 | ||
a4bed468 RW |
1609 | return NB_OK; |
1610 | } | |
1611 | ||
6a3fdeec RW |
1612 | static int lib_interface_description_destroy(enum nb_event event, |
1613 | const struct lyd_node *dnode) | |
a4bed468 | 1614 | { |
8f90d89b RW |
1615 | struct interface *ifp; |
1616 | ||
1617 | if (event != NB_EV_APPLY) | |
1618 | return NB_OK; | |
1619 | ||
ccd43ada | 1620 | ifp = nb_running_get_entry(dnode, NULL, true); |
0a22ddfb | 1621 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1622 | |
a4bed468 RW |
1623 | return NB_OK; |
1624 | } | |
1625 | ||
1626 | /* clang-format off */ | |
1627 | const struct frr_yang_module_info frr_interface_info = { | |
1628 | .name = "frr-interface", | |
1629 | .nodes = { | |
1630 | { | |
1631 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1632 | .cbs = { |
1633 | .create = lib_interface_create, | |
1634 | .destroy = lib_interface_destroy, | |
1635 | .cli_show = cli_show_interface, | |
f88647ef QY |
1636 | .get_next = lib_interface_get_next, |
1637 | .get_keys = lib_interface_get_keys, | |
1638 | .lookup_entry = lib_interface_lookup_entry, | |
53280f93 | 1639 | }, |
a4bed468 RW |
1640 | }, |
1641 | { | |
1642 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1643 | .cbs = { |
1644 | .modify = lib_interface_description_modify, | |
1645 | .destroy = lib_interface_description_destroy, | |
1646 | .cli_show = cli_show_interface_desc, | |
1647 | }, | |
a4bed468 RW |
1648 | }, |
1649 | { | |
1650 | .xpath = NULL, | |
1651 | }, | |
1652 | } | |
1653 | }; |