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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 | { | |
e33d7b6a QY |
140 | if (ifp1->ifindex == ifp2->ifindex) |
141 | return 0; | |
142 | else if (ifp1->ifindex > ifp2->ifindex) | |
143 | return 1; | |
144 | else | |
145 | return -1; | |
ff880b78 RW |
146 | } |
147 | ||
721c0857 DS |
148 | static void ifp_connected_free(void *arg) |
149 | { | |
150 | struct connected *c = arg; | |
151 | ||
152 | connected_free(&c); | |
153 | } | |
154 | ||
718e3744 | 155 | /* Create new interface structure. */ |
d5c65bf1 | 156 | static struct interface *if_new(vrf_id_t vrf_id) |
718e3744 | 157 | { |
d62a17ae | 158 | struct interface *ifp; |
d62a17ae | 159 | |
160 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
ea7ec261 | 161 | |
d5c65bf1 SW |
162 | ifp->ifindex = IFINDEX_INTERNAL; |
163 | ifp->name[0] = '\0'; | |
ea7ec261 | 164 | |
d5c65bf1 | 165 | ifp->vrf_id = vrf_id; |
ea7ec261 | 166 | |
d62a17ae | 167 | ifp->connected = list_new(); |
721c0857 | 168 | ifp->connected->del = ifp_connected_free; |
d62a17ae | 169 | |
170 | ifp->nbr_connected = list_new(); | |
171 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
172 | ||
173 | /* Enable Link-detection by default */ | |
174 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
175 | ||
176 | QOBJ_REG(ifp, interface); | |
d62a17ae | 177 | return ifp; |
718e3744 | 178 | } |
179 | ||
ef7bd2a3 DS |
180 | void if_new_via_zapi(struct interface *ifp) |
181 | { | |
182 | if (ifp_master.create_hook) | |
183 | (*ifp_master.create_hook)(ifp); | |
184 | } | |
185 | ||
3c3c3252 DS |
186 | void if_destroy_via_zapi(struct interface *ifp) |
187 | { | |
188 | if (ifp_master.destroy_hook) | |
189 | (*ifp_master.destroy_hook)(ifp); | |
190 | ||
191 | if_set_index(ifp, IFINDEX_INTERNAL); | |
26f8f6fe | 192 | if (!ifp->configured) |
f609709a | 193 | if_delete(&ifp); |
3c3c3252 DS |
194 | } |
195 | ||
ddbf3e60 DS |
196 | void if_up_via_zapi(struct interface *ifp) |
197 | { | |
198 | if (ifp_master.up_hook) | |
199 | (*ifp_master.up_hook)(ifp); | |
200 | } | |
201 | ||
b0b69e59 DS |
202 | void if_down_via_zapi(struct interface *ifp) |
203 | { | |
204 | if (ifp_master.down_hook) | |
205 | (*ifp_master.down_hook)(ifp); | |
206 | } | |
207 | ||
d5c65bf1 | 208 | struct interface *if_create_name(const char *name, vrf_id_t vrf_id) |
ea7ec261 | 209 | { |
d5c65bf1 SW |
210 | struct interface *ifp; |
211 | ||
212 | ifp = if_new(vrf_id); | |
213 | ||
214 | if_set_name(ifp, name); | |
215 | ||
216 | hook_call(if_add, ifp); | |
217 | return ifp; | |
ea7ec261 DD |
218 | } |
219 | ||
1f7a68a2 PG |
220 | struct interface *if_create_ifindex(ifindex_t ifindex, vrf_id_t vrf_id, |
221 | char *optional_name) | |
ea7ec261 | 222 | { |
d5c65bf1 SW |
223 | struct interface *ifp; |
224 | ||
225 | ifp = if_new(vrf_id); | |
226 | ||
227 | if_set_index(ifp, ifindex); | |
1f7a68a2 PG |
228 | if (optional_name) |
229 | if_set_name(ifp, optional_name); | |
d5c65bf1 SW |
230 | hook_call(if_add, ifp); |
231 | return ifp; | |
ea7ec261 DD |
232 | } |
233 | ||
a36898e7 DS |
234 | /* Create new interface structure. */ |
235 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) | |
f93e3f69 | 236 | { |
a36898e7 | 237 | struct vrf *old_vrf, *vrf; |
d62a17ae | 238 | |
239 | /* remove interface from old master vrf list */ | |
a36898e7 | 240 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 241 | if (old_vrf) { |
9685b1e4 SW |
242 | if (ifp->name[0] != '\0') |
243 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
244 | ||
ff880b78 | 245 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 246 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 247 | } |
d62a17ae | 248 | |
a36898e7 DS |
249 | ifp->vrf_id = vrf_id; |
250 | vrf = vrf_get(ifp->vrf_id, NULL); | |
ff880b78 | 251 | |
9685b1e4 SW |
252 | if (ifp->name[0] != '\0') |
253 | IFNAME_RB_INSERT(vrf, ifp); | |
254 | ||
ff880b78 RW |
255 | if (ifp->ifindex != IFINDEX_INTERNAL) |
256 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
257 | |
258 | /* | |
259 | * HACK: Change the interface VRF in the running configuration directly, | |
260 | * bypassing the northbound layer. This is necessary to avoid deleting | |
261 | * the interface and readding it in the new VRF, which would have | |
262 | * several implications. | |
263 | */ | |
264 | if (yang_module_find("frr-interface")) { | |
265 | struct lyd_node *if_dnode; | |
f7c20aa1 QY |
266 | char oldpath[XPATH_MAXLEN]; |
267 | char newpath[XPATH_MAXLEN]; | |
8f90d89b | 268 | |
8685be73 RW |
269 | if_dnode = yang_dnode_get( |
270 | running_config->dnode, | |
271 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
272 | ifp->name, old_vrf->name); | |
f7c20aa1 | 273 | |
8685be73 | 274 | if (if_dnode) { |
f7c20aa1 QY |
275 | yang_dnode_get_path(if_dnode->parent, oldpath, |
276 | sizeof(oldpath)); | |
8685be73 | 277 | yang_dnode_change_leaf(if_dnode, vrf->name); |
f7c20aa1 QY |
278 | yang_dnode_get_path(if_dnode->parent, newpath, |
279 | sizeof(newpath)); | |
280 | nb_running_move_tree(oldpath, newpath); | |
8685be73 | 281 | running_config->version++; |
8f90d89b RW |
282 | } |
283 | } | |
f93e3f69 DS |
284 | } |
285 | ||
8685be73 | 286 | |
d2fc8896 | 287 | /* Delete interface structure. */ |
d62a17ae | 288 | void if_delete_retain(struct interface *ifp) |
718e3744 | 289 | { |
996c9314 | 290 | hook_call(if_del, ifp); |
d62a17ae | 291 | QOBJ_UNREG(ifp); |
e80e7cce | 292 | |
d62a17ae | 293 | /* Free connected address list */ |
294 | list_delete_all_node(ifp->connected); | |
a80beece | 295 | |
d62a17ae | 296 | /* Free connected nbr address list */ |
297 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 298 | } |
299 | ||
300 | /* Delete and free interface structure. */ | |
f609709a | 301 | void if_delete(struct interface **ifp) |
d2fc8896 | 302 | { |
f609709a | 303 | struct interface *ptr = *ifp; |
a36898e7 | 304 | struct vrf *vrf; |
5b8524f5 | 305 | |
f609709a | 306 | vrf = vrf_lookup_by_id(ptr->vrf_id); |
5b8524f5 | 307 | assert(vrf); |
f4e14fdb | 308 | |
f609709a DS |
309 | IFNAME_RB_REMOVE(vrf, ptr); |
310 | if (ptr->ifindex != IFINDEX_INTERNAL) | |
311 | IFINDEX_RB_REMOVE(vrf, ptr); | |
d2fc8896 | 312 | |
f609709a | 313 | if_delete_retain(ptr); |
718e3744 | 314 | |
f609709a DS |
315 | list_delete(&ptr->connected); |
316 | list_delete(&ptr->nbr_connected); | |
2dd04c5d | 317 | |
f609709a | 318 | if_link_params_free(ptr); |
16f1b9ee | 319 | |
f609709a | 320 | XFREE(MTYPE_TMP, ptr->desc); |
c7974c0f | 321 | |
f609709a DS |
322 | XFREE(MTYPE_IF, ptr); |
323 | *ifp = NULL; | |
718e3744 | 324 | } |
325 | ||
47b474b5 DD |
326 | /* Used only internally to check within VRF only */ |
327 | static struct interface *if_lookup_by_ifindex(ifindex_t ifindex, | |
328 | vrf_id_t vrf_id) | |
718e3744 | 329 | { |
5b8524f5 | 330 | struct vrf *vrf; |
ff880b78 | 331 | struct interface if_tmp; |
f4e14fdb | 332 | |
5b8524f5 RW |
333 | vrf = vrf_lookup_by_id(vrf_id); |
334 | if (!vrf) | |
335 | return NULL; | |
336 | ||
ff880b78 RW |
337 | if_tmp.ifindex = ifindex; |
338 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 339 | } |
340 | ||
47b474b5 DD |
341 | /* Interface existance check by index. */ |
342 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) | |
343 | { | |
344 | switch (vrf_get_backend()) { | |
345 | case VRF_BACKEND_UNKNOWN: | |
346 | case VRF_BACKEND_NETNS: | |
347 | return(if_lookup_by_ifindex(ifindex, vrf_id)); | |
348 | case VRF_BACKEND_VRF_LITE: | |
349 | return(if_lookup_by_index_all_vrf(ifindex)); | |
350 | } | |
351 | return NULL; | |
352 | } | |
353 | ||
d62a17ae | 354 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 355 | { |
d62a17ae | 356 | struct interface *ifp; |
718e3744 | 357 | |
d62a17ae | 358 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
359 | ? ifp->name | |
360 | : "unknown"; | |
d2fc8896 | 361 | } |
362 | ||
d62a17ae | 363 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 364 | { |
d62a17ae | 365 | struct interface *ifp; |
d2fc8896 | 366 | |
a36898e7 | 367 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 368 | ? ifp->ifindex |
369 | : IFINDEX_INTERNAL; | |
718e3744 | 370 | } |
371 | ||
372 | /* Interface existance check by interface name. */ | |
a36898e7 | 373 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 374 | { |
a36898e7 | 375 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
f4e14fdb | 376 | struct interface if_tmp; |
d62a17ae | 377 | |
5b8524f5 RW |
378 | if (!vrf || !name |
379 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 380 | return NULL; |
f8962871 | 381 | |
f4e14fdb RW |
382 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
383 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
384 | } |
385 | ||
a2719d0e IR |
386 | struct interface *if_lookup_by_name_vrf(const char *name, struct vrf *vrf) |
387 | { | |
388 | struct interface if_tmp; | |
389 | ||
390 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
391 | return NULL; | |
392 | ||
393 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); | |
394 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
395 | } | |
396 | ||
bcc24579 | 397 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 398 | { |
bcc24579 | 399 | struct vrf *vrf; |
d62a17ae | 400 | struct interface *ifp; |
a349198f | 401 | |
bcc24579 | 402 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 403 | return NULL; |
a349198f | 404 | |
bcc24579 | 405 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
a36898e7 | 406 | ifp = if_lookup_by_name(name, vrf->vrf_id); |
bcc24579 | 407 | if (ifp) |
d62a17ae | 408 | return ifp; |
409 | } | |
bcc24579 | 410 | |
d62a17ae | 411 | return NULL; |
a349198f | 412 | } |
413 | ||
ea7ec261 DD |
414 | struct interface *if_lookup_by_index_all_vrf(ifindex_t ifindex) |
415 | { | |
416 | struct vrf *vrf; | |
417 | struct interface *ifp; | |
418 | ||
419 | if (ifindex == IFINDEX_INTERNAL) | |
420 | return NULL; | |
421 | ||
422 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { | |
47b474b5 | 423 | ifp = if_lookup_by_ifindex(ifindex, vrf->vrf_id); |
ea7ec261 DD |
424 | if (ifp) |
425 | return ifp; | |
426 | } | |
427 | ||
428 | return NULL; | |
429 | } | |
430 | ||
3923b6e3 | 431 | /* Lookup interface by IP address. */ |
0b700537 | 432 | struct interface *if_lookup_exact_address(const void *src, int family, |
d62a17ae | 433 | vrf_id_t vrf_id) |
718e3744 | 434 | { |
f4e14fdb | 435 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 436 | struct listnode *cnode; |
437 | struct interface *ifp; | |
438 | struct prefix *p; | |
439 | struct connected *c; | |
440 | ||
451fda4f | 441 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 442 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
443 | p = c->address; | |
444 | ||
445 | if (p && (p->family == family)) { | |
446 | if (family == AF_INET) { | |
447 | if (IPV4_ADDR_SAME( | |
448 | &p->u.prefix4, | |
449 | (struct in_addr *)src)) | |
450 | return ifp; | |
451 | } else if (family == AF_INET6) { | |
452 | if (IPV6_ADDR_SAME( | |
453 | &p->u.prefix6, | |
454 | (struct in6_addr *)src)) | |
455 | return ifp; | |
456 | } | |
457 | } | |
0aabccc0 | 458 | } |
718e3744 | 459 | } |
d62a17ae | 460 | return NULL; |
718e3744 | 461 | } |
462 | ||
3923b6e3 | 463 | /* Lookup interface by IP address. */ |
0b700537 | 464 | struct connected *if_lookup_address(const void *matchaddr, int family, |
d62a17ae | 465 | vrf_id_t vrf_id) |
718e3744 | 466 | { |
f4e14fdb | 467 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 468 | struct prefix addr; |
469 | int bestlen = 0; | |
470 | struct listnode *cnode; | |
471 | struct interface *ifp; | |
472 | struct connected *c; | |
473 | struct connected *match; | |
474 | ||
475 | if (family == AF_INET) { | |
476 | addr.family = AF_INET; | |
477 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
478 | addr.prefixlen = IPV4_MAX_BITLEN; | |
479 | } else if (family == AF_INET6) { | |
480 | addr.family = AF_INET6; | |
481 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
482 | addr.prefixlen = IPV6_MAX_BITLEN; | |
483 | } | |
718e3744 | 484 | |
d62a17ae | 485 | match = NULL; |
718e3744 | 486 | |
451fda4f | 487 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 488 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
489 | if (c->address && (c->address->family == AF_INET) | |
490 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
491 | && (c->address->prefixlen > bestlen)) { | |
492 | bestlen = c->address->prefixlen; | |
493 | match = c; | |
494 | } | |
495 | } | |
718e3744 | 496 | } |
d62a17ae | 497 | return match; |
718e3744 | 498 | } |
499 | ||
b81e97a8 | 500 | /* Lookup interface by prefix */ |
0b700537 | 501 | struct interface *if_lookup_prefix(const struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 502 | { |
f4e14fdb | 503 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 504 | struct listnode *cnode; |
505 | struct interface *ifp; | |
506 | struct connected *c; | |
507 | ||
451fda4f | 508 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 509 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
510 | if (prefix_cmp(c->address, prefix) == 0) { | |
511 | return ifp; | |
512 | } | |
513 | } | |
514 | } | |
515 | return NULL; | |
b81e97a8 DD |
516 | } |
517 | ||
dad18a2f QY |
518 | size_t if_lookup_by_hwaddr(const uint8_t *hw_addr, size_t addrsz, |
519 | struct interface ***result, vrf_id_t vrf_id) | |
520 | { | |
521 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); | |
522 | ||
523 | struct list *rs = list_new(); | |
524 | struct interface *ifp; | |
525 | ||
526 | FOR_ALL_INTERFACES (vrf, ifp) { | |
527 | if (ifp->hw_addr_len == (int)addrsz | |
528 | && !memcmp(hw_addr, ifp->hw_addr, addrsz)) | |
529 | listnode_add(rs, ifp); | |
530 | } | |
531 | ||
532 | if (rs->count) { | |
533 | *result = XCALLOC(MTYPE_TMP, | |
534 | sizeof(struct interface *) * rs->count); | |
535 | list_to_array(rs, (void **)*result, rs->count); | |
536 | } | |
537 | ||
538 | int count = rs->count; | |
539 | ||
540 | list_delete(&rs); | |
541 | ||
542 | return count; | |
543 | } | |
544 | ||
545 | ||
718e3744 | 546 | /* Get interface by name if given name interface doesn't exist create |
547 | one. */ | |
a36898e7 | 548 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 549 | { |
8f90d89b | 550 | struct interface *ifp; |
718e3744 | 551 | |
8f90d89b | 552 | switch (vrf_get_backend()) { |
b0b97a7f | 553 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 554 | case VRF_BACKEND_NETNS: |
a36898e7 | 555 | ifp = if_lookup_by_name(name, vrf_id); |
ee2f2c23 TC |
556 | if (ifp) |
557 | return ifp; | |
d5c65bf1 | 558 | return if_create_name(name, vrf_id); |
8f90d89b RW |
559 | case VRF_BACKEND_VRF_LITE: |
560 | ifp = if_lookup_by_name_all_vrf(name); | |
561 | if (ifp) { | |
a36898e7 | 562 | if (ifp->vrf_id == vrf_id) |
379eb245 | 563 | return ifp; |
8f90d89b RW |
564 | /* If it came from the kernel or by way of zclient, |
565 | * believe it and update the ifp accordingly. | |
566 | */ | |
a36898e7 | 567 | if_update_to_new_vrf(ifp, vrf_id); |
8f90d89b | 568 | return ifp; |
ee2f2c23 | 569 | } |
d5c65bf1 | 570 | return if_create_name(name, vrf_id); |
85f9da7f | 571 | } |
8f90d89b RW |
572 | |
573 | return NULL; | |
8736158a FL |
574 | } |
575 | ||
1f7a68a2 PG |
576 | struct interface *if_get_by_ifindex(ifindex_t ifindex, vrf_id_t vrf_id, |
577 | char *optional_name) | |
ea7ec261 DD |
578 | { |
579 | struct interface *ifp; | |
580 | ||
581 | switch (vrf_get_backend()) { | |
582 | case VRF_BACKEND_UNKNOWN: | |
583 | case VRF_BACKEND_NETNS: | |
47b474b5 | 584 | ifp = if_lookup_by_ifindex(ifindex, vrf_id); |
ea7ec261 DD |
585 | if (ifp) |
586 | return ifp; | |
1f7a68a2 | 587 | return if_create_ifindex(ifindex, vrf_id, optional_name); |
ea7ec261 DD |
588 | case VRF_BACKEND_VRF_LITE: |
589 | ifp = if_lookup_by_index_all_vrf(ifindex); | |
590 | if (ifp) { | |
591 | if (ifp->vrf_id == vrf_id) | |
592 | return ifp; | |
593 | /* If it came from the kernel or by way of zclient, | |
594 | * believe it and update the ifp accordingly. | |
595 | */ | |
596 | if_update_to_new_vrf(ifp, vrf_id); | |
597 | return ifp; | |
598 | } | |
1f7a68a2 | 599 | return if_create_ifindex(ifindex, vrf_id, optional_name); |
ea7ec261 DD |
600 | } |
601 | ||
602 | return NULL; | |
603 | } | |
604 | ||
67f81586 | 605 | int if_set_index(struct interface *ifp, ifindex_t ifindex) |
ff880b78 | 606 | { |
5b8524f5 RW |
607 | struct vrf *vrf; |
608 | ||
67f81586 QY |
609 | if (ifp->ifindex == ifindex) |
610 | return 0; | |
611 | ||
d5c65bf1 | 612 | vrf = vrf_get(ifp->vrf_id, NULL); |
5b8524f5 | 613 | assert(vrf); |
ff880b78 | 614 | |
67f81586 QY |
615 | /* |
616 | * If there is already an interface with this ifindex, we will collide | |
617 | * on insertion, so don't even try. | |
618 | */ | |
619 | if (if_lookup_by_ifindex(ifindex, ifp->vrf_id)) | |
620 | return -1; | |
ff880b78 RW |
621 | |
622 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
d5c65bf1 | 623 | IFINDEX_RB_REMOVE(vrf, ifp); |
ff880b78 RW |
624 | |
625 | ifp->ifindex = ifindex; | |
626 | ||
67f81586 QY |
627 | if (ifp->ifindex != IFINDEX_INTERNAL) { |
628 | /* | |
629 | * This should never happen, since we checked if there was | |
630 | * already an interface with the desired ifindex at the top of | |
631 | * the function. Nevertheless. | |
632 | */ | |
633 | if (IFINDEX_RB_INSERT(vrf, ifp)) | |
634 | return -1; | |
635 | } | |
636 | ||
637 | return 0; | |
ff880b78 RW |
638 | } |
639 | ||
d5c65bf1 SW |
640 | void if_set_name(struct interface *ifp, const char *name) |
641 | { | |
642 | struct vrf *vrf; | |
643 | ||
644 | vrf = vrf_get(ifp->vrf_id, NULL); | |
645 | assert(vrf); | |
646 | ||
647 | if (if_cmp_name_func(ifp->name, name) == 0) | |
648 | return; | |
649 | ||
650 | if (ifp->name[0] != '\0') | |
651 | IFNAME_RB_REMOVE(vrf, ifp); | |
652 | ||
653 | strlcpy(ifp->name, name, sizeof(ifp->name)); | |
654 | ||
655 | if (ifp->name[0] != '\0') | |
656 | IFNAME_RB_INSERT(vrf, ifp); | |
657 | } | |
658 | ||
718e3744 | 659 | /* Does interface up ? */ |
6339042c | 660 | int if_is_up(const struct interface *ifp) |
718e3744 | 661 | { |
d62a17ae | 662 | return ifp->flags & IFF_UP; |
718e3744 | 663 | } |
664 | ||
2e3b2e47 | 665 | /* Is interface running? */ |
6339042c | 666 | int if_is_running(const struct interface *ifp) |
2e3b2e47 | 667 | { |
d62a17ae | 668 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 669 | } |
670 | ||
671 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
672 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
673 | if ptm checking is enabled, then ptm check has passed */ | |
6339042c | 674 | int if_is_operative(const struct interface *ifp) |
2e3b2e47 | 675 | { |
d62a17ae | 676 | return ((ifp->flags & IFF_UP) |
677 | && (((ifp->flags & IFF_RUNNING) | |
678 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
679 | || !CHECK_FLAG(ifp->status, | |
680 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
681 | } |
682 | ||
683 | /* Is the interface operative, eg. either UP & RUNNING | |
684 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
6339042c | 685 | int if_is_no_ptm_operative(const struct interface *ifp) |
244c1cdc | 686 | { |
d62a17ae | 687 | return ((ifp->flags & IFF_UP) |
688 | && ((ifp->flags & IFF_RUNNING) | |
689 | || !CHECK_FLAG(ifp->status, | |
690 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 691 | } |
692 | ||
718e3744 | 693 | /* Is this loopback interface ? */ |
6339042c | 694 | int if_is_loopback(const struct interface *ifp) |
718e3744 | 695 | { |
d62a17ae | 696 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
697 | * but Y on platform N? | |
698 | */ | |
699 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 700 | } |
701 | ||
0c74bbe0 | 702 | /* Check interface is VRF */ |
6339042c | 703 | int if_is_vrf(const struct interface *ifp) |
0c74bbe0 CS |
704 | { |
705 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
706 | } | |
707 | ||
6339042c | 708 | bool if_is_loopback_or_vrf(const struct interface *ifp) |
fec4ca19 DS |
709 | { |
710 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
711 | return true; | |
712 | ||
713 | return false; | |
714 | } | |
715 | ||
718e3744 | 716 | /* Does this interface support broadcast ? */ |
6339042c | 717 | int if_is_broadcast(const struct interface *ifp) |
718e3744 | 718 | { |
d62a17ae | 719 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 720 | } |
721 | ||
722 | /* Does this interface support broadcast ? */ | |
6339042c | 723 | int if_is_pointopoint(const struct interface *ifp) |
718e3744 | 724 | { |
d62a17ae | 725 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 726 | } |
727 | ||
728 | /* Does this interface support multicast ? */ | |
6339042c | 729 | int if_is_multicast(const struct interface *ifp) |
718e3744 | 730 | { |
d62a17ae | 731 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 732 | } |
733 | ||
734 | /* Printout flag information into log */ | |
d62a17ae | 735 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 736 | { |
d62a17ae | 737 | int separator = 0; |
738 | static char logbuf[BUFSIZ]; | |
739 | ||
740 | #define IFF_OUT_LOG(X, STR) \ | |
741 | if (flag & (X)) { \ | |
742 | if (separator) \ | |
3393df5c | 743 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 744 | else \ |
745 | separator = 1; \ | |
3393df5c | 746 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 747 | } |
718e3744 | 748 | |
d62a17ae | 749 | strlcpy(logbuf, "<", BUFSIZ); |
750 | IFF_OUT_LOG(IFF_UP, "UP"); | |
751 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
752 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
753 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
754 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
755 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
756 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
757 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
758 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
759 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
760 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
761 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
762 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
763 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
764 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
765 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
766 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
767 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
768 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
769 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
770 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
771 | ||
3393df5c | 772 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 773 | |
774 | return logbuf; | |
630c97ce | 775 | #undef IFF_OUT_LOG |
718e3744 | 776 | } |
777 | ||
778 | /* For debugging */ | |
d62a17ae | 779 | static void if_dump(const struct interface *ifp) |
718e3744 | 780 | { |
d62a17ae | 781 | struct listnode *node; |
782 | struct connected *c __attribute__((unused)); | |
783 | ||
a94fbcca DS |
784 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) { |
785 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
786 | ||
d62a17ae | 787 | zlog_info( |
3efd0893 | 788 | "Interface %s vrf %s(%u) index %d metric %d mtu %d mtu6 %d %s", |
a94fbcca DS |
789 | ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, ifp->ifindex, |
790 | ifp->metric, ifp->mtu, ifp->mtu6, | |
791 | if_flag_dump(ifp->flags)); | |
792 | } | |
718e3744 | 793 | } |
794 | ||
795 | /* Interface printing for all interface. */ | |
d62a17ae | 796 | void if_dump_all(void) |
718e3744 | 797 | { |
d62a17ae | 798 | struct vrf *vrf; |
f4e14fdb | 799 | void *ifp; |
d62a17ae | 800 | |
a2addae8 | 801 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 802 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 803 | if_dump(ifp); |
718e3744 | 804 | } |
805 | ||
98954844 PJ |
806 | #ifdef SUNOS_5 |
807 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
808 | * a seperate struct interface for each logical interface, so config | |
809 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
810 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
811 | * interfaces can be fruitless, for that reason Quagga only tracks | |
812 | * the primary IP interface. | |
813 | * | |
814 | * We try accomodate SUNWzebra by: | |
815 | * - looking up the interface name, to see whether it exists, if so | |
816 | * its useable | |
817 | * - for protocol daemons, this could only because zebra told us of | |
818 | * the interface | |
819 | * - for zebra, only because it learnt from kernel | |
820 | * - if not: | |
821 | * - search the name to see if it contains a sub-ipif / logical interface | |
822 | * seperator, the ':' char. If it does: | |
823 | * - text up to that char must be the primary name - get that name. | |
824 | * if not: | |
825 | * - no idea, just get the name in its entirety. | |
826 | */ | |
a36898e7 | 827 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 828 | { |
d62a17ae | 829 | struct interface *ifp; |
bcc24579 | 830 | char *cp; |
d62a17ae | 831 | |
a36898e7 | 832 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 833 | return ifp; |
834 | ||
835 | /* hunt the primary interface name... */ | |
bcc24579 RW |
836 | cp = strchr(name, ':'); |
837 | if (cp) | |
838 | *cp = '\0'; | |
d62a17ae | 839 | |
a36898e7 | 840 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
841 | } |
842 | #endif /* SUNOS_5 */ | |
6b0655a2 | 843 | |
d7d73ffc | 844 | #if 0 |
718e3744 | 845 | /* For debug purpose. */ |
846 | DEFUN (show_address, | |
847 | show_address_cmd, | |
199d90a1 | 848 | "show address [vrf NAME]", |
718e3744 | 849 | SHOW_STR |
fcbee690 QY |
850 | "address\n" |
851 | VRF_CMD_HELP_STR) | |
718e3744 | 852 | { |
ac2914d3 DS |
853 | int idx_vrf = 3; |
854 | struct listnode *node; | |
855 | struct interface *ifp; | |
856 | struct connected *ifc; | |
857 | struct prefix *p; | |
858 | vrf_id_t vrf_id = VRF_DEFAULT; | |
859 | ||
860 | if (argc > 2) | |
861 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); | |
718e3744 | 862 | |
ac2914d3 DS |
863 | FOR_ALL_INTERFACES (vrf, ifp) { |
864 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
865 | p = ifc->address; | |
866 | ||
867 | if (p->family == AF_INET) | |
868 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
869 | } | |
718e3744 | 870 | } |
ac2914d3 | 871 | return CMD_SUCCESS; |
718e3744 | 872 | } |
873 | ||
8736158a FL |
874 | DEFUN (show_address_vrf_all, |
875 | show_address_vrf_all_cmd, | |
9ccf14f7 | 876 | "show address vrf all", |
8736158a FL |
877 | SHOW_STR |
878 | "address\n" | |
879 | VRF_ALL_CMD_HELP_STR) | |
880 | { | |
ac2914d3 DS |
881 | struct vrf *vrf; |
882 | struct listnode *node; | |
883 | struct interface *ifp; | |
884 | struct connected *ifc; | |
885 | struct prefix *p; | |
886 | ||
887 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) | |
888 | { | |
889 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) | |
890 | continue; | |
891 | ||
a94fbcca DS |
892 | vty_out (vty, "\nVRF %s(%u)\n\n", |
893 | VRF_LOGNAME(vrf), vrf->vrf_id); | |
ac2914d3 DS |
894 | |
895 | FOR_ALL_INTERFACES (vrf, ifp) { | |
896 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) { | |
897 | p = ifc->address; | |
898 | ||
899 | if (p->family == AF_INET) | |
900 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); | |
901 | } | |
902 | } | |
903 | } | |
904 | return CMD_SUCCESS; | |
8736158a | 905 | } |
d7d73ffc | 906 | #endif |
8736158a | 907 | |
718e3744 | 908 | /* Allocate connected structure. */ |
d62a17ae | 909 | struct connected *connected_new(void) |
718e3744 | 910 | { |
d62a17ae | 911 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 912 | } |
913 | ||
a80beece | 914 | /* Allocate nbr connected structure. */ |
d62a17ae | 915 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 916 | { |
d62a17ae | 917 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
918 | } |
919 | ||
718e3744 | 920 | /* Free connected structure. */ |
721c0857 | 921 | void connected_free(struct connected **connected) |
718e3744 | 922 | { |
721c0857 DS |
923 | struct connected *ptr = *connected; |
924 | ||
8fa77bc6 DA |
925 | prefix_free(&ptr->address); |
926 | prefix_free(&ptr->destination); | |
718e3744 | 927 | |
721c0857 | 928 | XFREE(MTYPE_CONNECTED_LABEL, ptr->label); |
718e3744 | 929 | |
721c0857 DS |
930 | XFREE(MTYPE_CONNECTED, ptr); |
931 | *connected = NULL; | |
718e3744 | 932 | } |
933 | ||
a80beece | 934 | /* Free nbr connected structure. */ |
d62a17ae | 935 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 936 | { |
d62a17ae | 937 | if (connected->address) |
63265b5c | 938 | prefix_free(&connected->address); |
a80beece | 939 | |
d62a17ae | 940 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
941 | } |
942 | ||
943 | /* If same interface nbr address already exists... */ | |
d62a17ae | 944 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
945 | struct prefix *p) | |
a80beece | 946 | { |
d62a17ae | 947 | struct nbr_connected *ifc; |
948 | struct listnode *node; | |
a80beece | 949 | |
d62a17ae | 950 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
951 | if (prefix_same(ifc->address, p)) | |
952 | return ifc; | |
a80beece | 953 | |
d62a17ae | 954 | return NULL; |
a80beece DS |
955 | } |
956 | ||
718e3744 | 957 | /* Print if_addr structure. */ |
d62a17ae | 958 | static void __attribute__((unused)) |
959 | connected_log(struct connected *connected, char *str) | |
718e3744 | 960 | { |
d62a17ae | 961 | struct prefix *p; |
962 | struct interface *ifp; | |
a94fbcca | 963 | struct vrf *vrf; |
d62a17ae | 964 | char logbuf[BUFSIZ]; |
965 | char buf[BUFSIZ]; | |
966 | ||
967 | ifp = connected->ifp; | |
968 | p = connected->address; | |
969 | ||
a94fbcca | 970 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
772270f3 QY |
971 | snprintf(logbuf, sizeof(logbuf), "%s interface %s vrf %s(%u) %s %s/%d ", |
972 | str, ifp->name, VRF_LOGNAME(vrf), ifp->vrf_id, | |
973 | prefix_family_str(p), | |
d62a17ae | 974 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
975 | ||
976 | p = connected->destination; | |
977 | if (p) { | |
978 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
979 | BUFSIZ - strlen(logbuf)); | |
980 | } | |
981 | zlog_info("%s", logbuf); | |
718e3744 | 982 | } |
983 | ||
a80beece | 984 | /* Print if_addr structure. */ |
d62a17ae | 985 | static void __attribute__((unused)) |
986 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 987 | { |
d62a17ae | 988 | struct prefix *p; |
989 | struct interface *ifp; | |
990 | char logbuf[BUFSIZ]; | |
991 | char buf[BUFSIZ]; | |
a80beece | 992 | |
d62a17ae | 993 | ifp = connected->ifp; |
994 | p = connected->address; | |
a80beece | 995 | |
772270f3 QY |
996 | snprintf(logbuf, sizeof(logbuf), "%s interface %s %s %s/%d ", str, |
997 | ifp->name, prefix_family_str(p), | |
d62a17ae | 998 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); |
a80beece | 999 | |
d62a17ae | 1000 | zlog_info("%s", logbuf); |
a80beece DS |
1001 | } |
1002 | ||
718e3744 | 1003 | /* If two connected address has same prefix return 1. */ |
0b700537 RW |
1004 | static int connected_same_prefix(const struct prefix *p1, |
1005 | const struct prefix *p2) | |
718e3744 | 1006 | { |
d62a17ae | 1007 | if (p1->family == p2->family) { |
1008 | if (p1->family == AF_INET | |
1009 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
1010 | return 1; | |
1011 | if (p1->family == AF_INET6 | |
1012 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
1013 | return 1; | |
1014 | } | |
1015 | return 0; | |
718e3744 | 1016 | } |
1017 | ||
457ea8d4 GN |
1018 | /* count the number of connected addresses that are in the given family */ |
1019 | unsigned int connected_count_by_family(struct interface *ifp, int family) | |
1020 | { | |
1021 | struct listnode *cnode; | |
1022 | struct connected *connected; | |
1023 | unsigned int cnt = 0; | |
1024 | ||
1025 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, connected)) | |
1026 | if (connected->address->family == family) | |
1027 | cnt++; | |
1028 | ||
1029 | return cnt; | |
1030 | } | |
1031 | ||
d62a17ae | 1032 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
0b700537 | 1033 | const struct prefix *p) |
38485402 | 1034 | { |
d62a17ae | 1035 | struct listnode *node; |
1036 | struct listnode *next; | |
1037 | struct connected *ifc; | |
38485402 | 1038 | |
d62a17ae | 1039 | for (node = listhead(ifp->connected); node; node = next) { |
1040 | ifc = listgetdata(node); | |
1041 | next = node->next; | |
38485402 | 1042 | |
d62a17ae | 1043 | if (connected_same_prefix(ifc->address, p)) |
1044 | return ifc; | |
1045 | } | |
1046 | return NULL; | |
38485402 DS |
1047 | } |
1048 | ||
d62a17ae | 1049 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
1050 | struct prefix *p) | |
718e3744 | 1051 | { |
d62a17ae | 1052 | struct listnode *node; |
1053 | struct listnode *next; | |
1054 | struct connected *ifc; | |
1055 | ||
1056 | /* In case of same prefix come, replace it with new one. */ | |
1057 | for (node = listhead(ifp->connected); node; node = next) { | |
1058 | ifc = listgetdata(node); | |
1059 | next = node->next; | |
1060 | ||
1061 | if (connected_same_prefix(ifc->address, p)) { | |
1062 | listnode_delete(ifp->connected, ifc); | |
1063 | return ifc; | |
1064 | } | |
718e3744 | 1065 | } |
d62a17ae | 1066 | return NULL; |
718e3744 | 1067 | } |
1068 | ||
bd40c341 | 1069 | /* Find the address on our side that will be used when packets |
727d104b | 1070 | are sent to dst. */ |
d62a17ae | 1071 | struct connected *connected_lookup_prefix(struct interface *ifp, |
0b700537 | 1072 | const struct prefix *addr) |
727d104b | 1073 | { |
d62a17ae | 1074 | struct listnode *cnode; |
1075 | struct connected *c; | |
1076 | struct connected *match; | |
1077 | ||
1078 | match = NULL; | |
1079 | ||
1080 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
1081 | if (c->address && (c->address->family == addr->family) | |
1082 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
1083 | && (!match | |
1084 | || (c->address->prefixlen > match->address->prefixlen))) | |
1085 | match = c; | |
1086 | } | |
1087 | return match; | |
727d104b | 1088 | } |
1089 | ||
d62a17ae | 1090 | struct connected *connected_add_by_prefix(struct interface *ifp, |
1091 | struct prefix *p, | |
1092 | struct prefix *destination) | |
4a7aac1b | 1093 | { |
d62a17ae | 1094 | struct connected *ifc; |
4a7aac1b | 1095 | |
d62a17ae | 1096 | /* Allocate new connected address. */ |
1097 | ifc = connected_new(); | |
1098 | ifc->ifp = ifp; | |
4a7aac1b | 1099 | |
d62a17ae | 1100 | /* Fetch interface address */ |
1101 | ifc->address = prefix_new(); | |
1102 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 1103 | |
d62a17ae | 1104 | /* Fetch dest address */ |
1105 | if (destination) { | |
1106 | ifc->destination = prefix_new(); | |
1107 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
1108 | } | |
4a7aac1b | 1109 | |
d62a17ae | 1110 | /* Add connected address to the interface. */ |
1111 | listnode_add(ifp->connected, ifc); | |
1112 | return ifc; | |
4a7aac1b | 1113 | } |
1114 | ||
667179ca QY |
1115 | struct connected *connected_get_linklocal(struct interface *ifp) |
1116 | { | |
1117 | struct listnode *n; | |
1118 | struct connected *c = NULL; | |
1119 | ||
1120 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) { | |
1121 | if (c->address->family == AF_INET6 | |
1122 | && IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6)) | |
1123 | break; | |
1124 | } | |
1125 | return c; | |
1126 | } | |
1127 | ||
d62a17ae | 1128 | #if 0 /* this route_table of struct connected's is unused \ |
1129 | * however, it would be good to use a route_table rather than \ | |
1130 | * a list.. \ | |
1131 | */ | |
718e3744 | 1132 | /* Interface looking up by interface's address. */ |
718e3744 | 1133 | /* Interface's IPv4 address reverse lookup table. */ |
1134 | struct route_table *ifaddr_ipv4_table; | |
1135 | /* struct route_table *ifaddr_ipv6_table; */ | |
1136 | ||
8cc4198f | 1137 | static void |
718e3744 | 1138 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1139 | { | |
1140 | struct route_node *rn; | |
1141 | struct prefix_ipv4 p; | |
1142 | ||
1143 | p.family = AF_INET; | |
1144 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1145 | p.prefix = *ifaddr; | |
1146 | ||
1147 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1148 | if (rn) | |
1149 | { | |
1150 | route_unlock_node (rn); | |
1151 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1152 | inet_ntoa (*ifaddr)); | |
1153 | return; | |
1154 | } | |
1155 | rn->info = ifp; | |
1156 | } | |
1157 | ||
8cc4198f | 1158 | static void |
718e3744 | 1159 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1160 | { | |
1161 | struct route_node *rn; | |
1162 | struct prefix_ipv4 p; | |
1163 | ||
1164 | p.family = AF_INET; | |
1165 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1166 | p.prefix = *ifaddr; | |
1167 | ||
1168 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1169 | if (! rn) | |
1170 | { | |
1171 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1172 | inet_ntoa (*ifaddr)); | |
1173 | return; | |
1174 | } | |
1175 | rn->info = NULL; | |
1176 | route_unlock_node (rn); | |
1177 | route_unlock_node (rn); | |
1178 | } | |
1179 | ||
1180 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1181 | static struct interface * |
b892f1dd | 1182 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1183 | { |
1184 | struct prefix_ipv4 p; | |
1185 | struct route_node *rn; | |
1186 | struct interface *ifp; | |
718e3744 | 1187 | |
1188 | if (addr) | |
1189 | { | |
1190 | p.family = AF_INET; | |
1191 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1192 | p.prefix = *addr; | |
1193 | ||
1194 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1195 | if (! rn) | |
1196 | return NULL; | |
55cd0f61 | 1197 | |
718e3744 | 1198 | ifp = rn->info; |
1199 | route_unlock_node (rn); | |
1200 | return ifp; | |
1201 | } | |
1202 | else | |
7e2b7603 | 1203 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1204 | } |
8cc4198f | 1205 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1206 | |
f4e14fdb | 1207 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1208 | { |
f4e14fdb | 1209 | struct interface *ifp; |
4bd045d5 | 1210 | |
55cd0f61 DS |
1211 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1212 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1213 | ||
d62a17ae | 1214 | if (ifp->node) { |
1215 | ifp->node->info = NULL; | |
1216 | route_unlock_node(ifp->node); | |
1217 | } | |
f609709a | 1218 | if_delete(&ifp); |
d62a17ae | 1219 | } |
4bd045d5 | 1220 | } |
8ccc7e80 | 1221 | |
d62a17ae | 1222 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1223 | { |
d62a17ae | 1224 | switch (llt) { |
8ccc7e80 | 1225 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1226 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1227 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1228 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1229 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1230 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1231 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1232 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1233 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1234 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1235 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1236 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1237 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1238 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1239 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1240 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1241 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1242 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1243 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1244 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1245 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1246 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1247 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1248 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1249 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1250 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1251 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1252 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1253 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1254 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1255 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1256 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1257 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1258 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1259 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1260 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1261 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1262 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1263 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1264 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1265 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1266 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1267 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1268 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1269 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1270 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1271 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1272 | default: | |
450971aa | 1273 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1274 | return "Unknown type!"; |
8ccc7e80 | 1275 | #undef llts |
d62a17ae | 1276 | } |
1277 | return NULL; | |
8ccc7e80 | 1278 | } |
16f1b9ee | 1279 | |
d62a17ae | 1280 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1281 | { |
d62a17ae | 1282 | int i; |
16f1b9ee | 1283 | |
d62a17ae | 1284 | if (ifp->link_params != NULL) |
1285 | return ifp->link_params; | |
16f1b9ee | 1286 | |
d62a17ae | 1287 | struct if_link_params *iflp = |
1288 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
16f1b9ee | 1289 | |
d62a17ae | 1290 | /* Set TE metric equal to standard metric */ |
1291 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1292 | |
d62a17ae | 1293 | /* Compute default bandwidth based on interface */ |
1294 | iflp->default_bw = | |
1295 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
5eb567ed | 1296 | * TE_MEGA_BIT / TE_BYTE); |
16f1b9ee | 1297 | |
d62a17ae | 1298 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1299 | iflp->max_bw = iflp->default_bw; | |
1300 | iflp->max_rsv_bw = iflp->default_bw; | |
1301 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1302 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1303 | |
d62a17ae | 1304 | /* Update Link parameters status */ |
1305 | iflp->lp_status = | |
1306 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1307 | |
d62a17ae | 1308 | /* Finally attach newly created Link Parameters */ |
1309 | ifp->link_params = iflp; | |
16f1b9ee | 1310 | |
d62a17ae | 1311 | return iflp; |
16f1b9ee OD |
1312 | } |
1313 | ||
d62a17ae | 1314 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1315 | { |
d62a17ae | 1316 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); |
16f1b9ee | 1317 | } |
a4bed468 | 1318 | |
8f90d89b RW |
1319 | /* ----------- CLI commands ----------- */ |
1320 | ||
1321 | /* | |
1322 | * XPath: /frr-interface:lib/interface | |
1323 | */ | |
1324 | DEFPY_NOSH (interface, | |
1325 | interface_cmd, | |
e429a2a0 | 1326 | "interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1327 | "Select an interface to configure\n" |
1328 | "Interface's name\n" | |
1329 | VRF_CMD_HELP_STR) | |
1330 | { | |
1331 | char xpath_list[XPATH_MAXLEN]; | |
a36898e7 DS |
1332 | vrf_id_t vrf_id; |
1333 | struct interface *ifp; | |
8f90d89b RW |
1334 | int ret; |
1335 | ||
e429a2a0 IR |
1336 | if (!vrf_name) |
1337 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b RW |
1338 | |
1339 | /* | |
1340 | * This command requires special handling to maintain backward | |
1341 | * compatibility. If a VRF name is not specified, it means we're willing | |
1342 | * to accept any interface with the given name on any VRF. If no | |
1343 | * interface is found, then a new one should be created on the default | |
1344 | * VRF. | |
1345 | */ | |
e429a2a0 | 1346 | VRF_GET_ID(vrf_id, vrf_name, false); |
a36898e7 DS |
1347 | ifp = if_lookup_by_name_all_vrf(ifname); |
1348 | if (ifp && ifp->vrf_id != vrf_id) { | |
1349 | struct vrf *vrf; | |
1350 | ||
8f90d89b RW |
1351 | /* |
1352 | * Special case 1: a VRF name was specified, but the found | |
1353 | * interface is associated to different VRF. Reject the command. | |
1354 | */ | |
a36898e7 | 1355 | if (vrf_id != VRF_DEFAULT) { |
8f90d89b | 1356 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, |
e429a2a0 | 1357 | vrf_name); |
8f90d89b RW |
1358 | return CMD_WARNING_CONFIG_FAILED; |
1359 | } | |
1360 | ||
1361 | /* | |
1362 | * Special case 2: a VRF name was *not* specified, and the found | |
1363 | * interface is associated to a VRF other than the default one. | |
e429a2a0 | 1364 | * Update vrf_id and vrf_name to account for that. |
8f90d89b | 1365 | */ |
a36898e7 | 1366 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
8f90d89b | 1367 | assert(vrf); |
a36898e7 | 1368 | vrf_id = ifp->vrf_id; |
e429a2a0 | 1369 | vrf_name = vrf->name; |
8f90d89b RW |
1370 | } |
1371 | ||
1372 | snprintf(xpath_list, sizeof(xpath_list), | |
1373 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
e429a2a0 | 1374 | vrf_name); |
8f90d89b | 1375 | |
a6233bfc RW |
1376 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1377 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1378 | if (ret == CMD_SUCCESS) { |
1379 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1380 | ||
1381 | /* | |
1382 | * For backward compatibility with old commands we still need | |
1383 | * to use the qobj infrastructure. This can be removed once | |
1384 | * all interface-level commands are converted to the new | |
1385 | * northbound model. | |
1386 | */ | |
a36898e7 | 1387 | ifp = if_lookup_by_name(ifname, vrf_id); |
8f90d89b RW |
1388 | if (ifp) |
1389 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1390 | } | |
1391 | ||
1392 | return ret; | |
1393 | } | |
1394 | ||
1395 | DEFPY (no_interface, | |
1396 | no_interface_cmd, | |
e429a2a0 | 1397 | "no interface IFNAME [vrf NAME$vrf_name]", |
8f90d89b RW |
1398 | NO_STR |
1399 | "Delete a pseudo interface's configuration\n" | |
1400 | "Interface's name\n" | |
1401 | VRF_CMD_HELP_STR) | |
1402 | { | |
e429a2a0 IR |
1403 | if (!vrf_name) |
1404 | vrf_name = VRF_DEFAULT_NAME; | |
8f90d89b | 1405 | |
95ce849b | 1406 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1407 | |
a6233bfc RW |
1408 | return nb_cli_apply_changes( |
1409 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
e429a2a0 | 1410 | ifname, vrf_name); |
8f90d89b RW |
1411 | } |
1412 | ||
1413 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1414 | bool show_defaults) | |
1415 | { | |
1416 | const char *vrf; | |
1417 | ||
1418 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1419 | ||
1420 | vty_out(vty, "!\n"); | |
1421 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1422 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1423 | vty_out(vty, " vrf %s", vrf); | |
1424 | vty_out(vty, "\n"); | |
1425 | } | |
1426 | ||
1427 | /* | |
1428 | * XPath: /frr-interface:lib/interface/description | |
1429 | */ | |
1430 | DEFPY (interface_desc, | |
1431 | interface_desc_cmd, | |
1432 | "description LINE...", | |
1433 | "Interface specific description\n" | |
1434 | "Characters describing this interface\n") | |
1435 | { | |
8f90d89b RW |
1436 | char *desc; |
1437 | int ret; | |
1438 | ||
1439 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1440 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1441 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1442 | XFREE(MTYPE_TMP, desc); |
1443 | ||
1444 | return ret; | |
1445 | } | |
1446 | ||
1447 | DEFPY (no_interface_desc, | |
1448 | no_interface_desc_cmd, | |
1449 | "no description", | |
1450 | NO_STR | |
1451 | "Interface specific description\n") | |
1452 | { | |
95ce849b | 1453 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1454 | |
1455 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1456 | } |
1457 | ||
1458 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1459 | bool show_defaults) | |
1460 | { | |
1461 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1462 | } | |
1463 | ||
1464 | /* Interface autocomplete. */ | |
1465 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1466 | { | |
1467 | struct interface *ifp; | |
1468 | struct vrf *vrf; | |
1469 | ||
1470 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1471 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1472 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1478 | {/* "interface NAME" */ | |
1479 | .varname = "interface", | |
1480 | .completions = if_autocomplete}, | |
1481 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1482 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1483 | {.completions = NULL}}; | |
1484 | ||
1485 | void if_cmd_init(void) | |
1486 | { | |
1487 | cmd_variable_handler_register(if_var_handlers); | |
1488 | ||
1489 | install_element(CONFIG_NODE, &interface_cmd); | |
1490 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1491 | ||
1492 | install_default(INTERFACE_NODE); | |
1493 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1494 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1495 | } | |
1496 | ||
138c5a74 DS |
1497 | void if_zapi_callbacks(int (*create)(struct interface *ifp), |
1498 | int (*up)(struct interface *ifp), | |
1499 | int (*down)(struct interface *ifp), | |
1500 | int (*destroy)(struct interface *ifp)) | |
1501 | { | |
1502 | ifp_master.create_hook = create; | |
1503 | ifp_master.up_hook = up; | |
1504 | ifp_master.down_hook = down; | |
1505 | ifp_master.destroy_hook = destroy; | |
1506 | } | |
1507 | ||
a4bed468 RW |
1508 | /* ------- Northbound callbacks ------- */ |
1509 | ||
1510 | /* | |
1511 | * XPath: /frr-interface:lib/interface | |
1512 | */ | |
60ee8be1 | 1513 | static int lib_interface_create(struct nb_cb_create_args *args) |
a4bed468 | 1514 | { |
8f90d89b RW |
1515 | const char *ifname; |
1516 | const char *vrfname; | |
1517 | struct vrf *vrf; | |
a36898e7 | 1518 | struct interface *ifp; |
8f90d89b | 1519 | |
60ee8be1 RW |
1520 | ifname = yang_dnode_get_string(args->dnode, "./name"); |
1521 | vrfname = yang_dnode_get_string(args->dnode, "./vrf"); | |
8f90d89b | 1522 | |
60ee8be1 | 1523 | switch (args->event) { |
8f90d89b RW |
1524 | case NB_EV_VALIDATE: |
1525 | vrf = vrf_lookup_by_name(vrfname); | |
1526 | if (!vrf) { | |
1527 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1528 | vrfname); | |
1529 | return NB_ERR_VALIDATION; | |
1530 | } | |
a36898e7 DS |
1531 | if (vrf->vrf_id == VRF_UNKNOWN) { |
1532 | zlog_warn("%s: VRF %s is not active", __func__, | |
1533 | vrf->name); | |
1534 | return NB_ERR_VALIDATION; | |
1535 | } | |
72261ecd | 1536 | |
b0b97a7f PG |
1537 | /* if VRF is netns or not yet known - init for instance |
1538 | * then assumption is that passed config is exact | |
1539 | * then the user intent was not to use an other iface | |
1540 | */ | |
8f90d89b RW |
1541 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1542 | ifp = if_lookup_by_name_all_vrf(ifname); | |
a36898e7 | 1543 | if (ifp && ifp->vrf_id != vrf->vrf_id) { |
8f90d89b RW |
1544 | zlog_warn( |
1545 | "%s: interface %s already exists in another VRF", | |
1546 | __func__, ifp->name); | |
1547 | return NB_ERR_VALIDATION; | |
1548 | } | |
1549 | } | |
1550 | break; | |
1551 | case NB_EV_PREPARE: | |
1552 | case NB_EV_ABORT: | |
1553 | break; | |
1554 | case NB_EV_APPLY: | |
1555 | vrf = vrf_lookup_by_name(vrfname); | |
1556 | assert(vrf); | |
1557 | #ifdef SUNOS_5 | |
a36898e7 | 1558 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); |
8f90d89b | 1559 | #else |
a36898e7 | 1560 | ifp = if_get_by_name(ifname, vrf->vrf_id); |
8f90d89b | 1561 | #endif /* SUNOS_5 */ |
1d311a05 DS |
1562 | |
1563 | ifp->configured = true; | |
60ee8be1 | 1564 | nb_running_set_entry(args->dnode, ifp); |
8f90d89b RW |
1565 | break; |
1566 | } | |
1567 | ||
a4bed468 RW |
1568 | return NB_OK; |
1569 | } | |
1570 | ||
60ee8be1 | 1571 | static int lib_interface_destroy(struct nb_cb_destroy_args *args) |
a4bed468 | 1572 | { |
8f90d89b RW |
1573 | struct interface *ifp; |
1574 | ||
8f90d89b | 1575 | |
60ee8be1 | 1576 | switch (args->event) { |
8f90d89b | 1577 | case NB_EV_VALIDATE: |
60ee8be1 | 1578 | ifp = nb_running_get_entry(args->dnode, NULL, true); |
8f90d89b | 1579 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
10bdc68f RW |
1580 | snprintf(args->errmsg, args->errmsg_len, |
1581 | "only inactive interfaces can be deleted"); | |
8f90d89b RW |
1582 | return NB_ERR_VALIDATION; |
1583 | } | |
1584 | break; | |
1585 | case NB_EV_PREPARE: | |
1586 | case NB_EV_ABORT: | |
1587 | break; | |
1588 | case NB_EV_APPLY: | |
60ee8be1 | 1589 | ifp = nb_running_unset_entry(args->dnode); |
1d311a05 DS |
1590 | |
1591 | ifp->configured = false; | |
f609709a | 1592 | if_delete(&ifp); |
8f90d89b RW |
1593 | break; |
1594 | } | |
1595 | ||
a4bed468 RW |
1596 | return NB_OK; |
1597 | } | |
1598 | ||
f88647ef QY |
1599 | /* |
1600 | * XPath: /frr-interface:lib/interface | |
1601 | */ | |
60ee8be1 | 1602 | static const void *lib_interface_get_next(struct nb_cb_get_next_args *args) |
f88647ef QY |
1603 | { |
1604 | struct vrf *vrf; | |
60ee8be1 | 1605 | struct interface *pif = (struct interface *)args->list_entry; |
f88647ef | 1606 | |
60ee8be1 | 1607 | if (args->list_entry == NULL) { |
f88647ef QY |
1608 | vrf = RB_MIN(vrf_name_head, &vrfs_by_name); |
1609 | assert(vrf); | |
1610 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1611 | } else { | |
1612 | vrf = vrf_lookup_by_id(pif->vrf_id); | |
1613 | pif = RB_NEXT(if_name_head, pif); | |
1614 | /* if no more interfaces, switch to next vrf */ | |
1615 | while (pif == NULL) { | |
1616 | vrf = RB_NEXT(vrf_name_head, vrf); | |
1617 | if (!vrf) | |
1618 | return NULL; | |
1619 | pif = RB_MIN(if_name_head, &vrf->ifaces_by_name); | |
1620 | } | |
1621 | } | |
1622 | ||
1623 | return pif; | |
1624 | } | |
1625 | ||
60ee8be1 | 1626 | static int lib_interface_get_keys(struct nb_cb_get_keys_args *args) |
f88647ef | 1627 | { |
60ee8be1 | 1628 | const struct interface *ifp = args->list_entry; |
f88647ef QY |
1629 | |
1630 | struct vrf *vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1631 | ||
1632 | assert(vrf); | |
1633 | ||
60ee8be1 RW |
1634 | args->keys->num = 2; |
1635 | strlcpy(args->keys->key[0], ifp->name, sizeof(args->keys->key[0])); | |
1636 | strlcpy(args->keys->key[1], vrf->name, sizeof(args->keys->key[1])); | |
f88647ef QY |
1637 | |
1638 | return NB_OK; | |
1639 | } | |
1640 | ||
60ee8be1 RW |
1641 | static const void * |
1642 | lib_interface_lookup_entry(struct nb_cb_lookup_entry_args *args) | |
f88647ef | 1643 | { |
60ee8be1 RW |
1644 | const char *ifname = args->keys->key[0]; |
1645 | const char *vrfname = args->keys->key[1]; | |
f88647ef QY |
1646 | struct vrf *vrf = vrf_lookup_by_name(vrfname); |
1647 | ||
68a4422d | 1648 | return vrf ? if_lookup_by_name(ifname, vrf->vrf_id) : NULL; |
f88647ef QY |
1649 | } |
1650 | ||
a4bed468 RW |
1651 | /* |
1652 | * XPath: /frr-interface:lib/interface/description | |
1653 | */ | |
60ee8be1 | 1654 | static int lib_interface_description_modify(struct nb_cb_modify_args *args) |
a4bed468 | 1655 | { |
8f90d89b RW |
1656 | struct interface *ifp; |
1657 | const char *description; | |
1658 | ||
60ee8be1 | 1659 | if (args->event != NB_EV_APPLY) |
8f90d89b RW |
1660 | return NB_OK; |
1661 | ||
60ee8be1 | 1662 | ifp = nb_running_get_entry(args->dnode, NULL, true); |
0a22ddfb | 1663 | XFREE(MTYPE_TMP, ifp->desc); |
60ee8be1 | 1664 | description = yang_dnode_get_string(args->dnode, NULL); |
8f90d89b RW |
1665 | ifp->desc = XSTRDUP(MTYPE_TMP, description); |
1666 | ||
a4bed468 RW |
1667 | return NB_OK; |
1668 | } | |
1669 | ||
60ee8be1 | 1670 | static int lib_interface_description_destroy(struct nb_cb_destroy_args *args) |
a4bed468 | 1671 | { |
8f90d89b RW |
1672 | struct interface *ifp; |
1673 | ||
60ee8be1 | 1674 | if (args->event != NB_EV_APPLY) |
8f90d89b RW |
1675 | return NB_OK; |
1676 | ||
60ee8be1 | 1677 | ifp = nb_running_get_entry(args->dnode, NULL, true); |
0a22ddfb | 1678 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1679 | |
a4bed468 RW |
1680 | return NB_OK; |
1681 | } | |
1682 | ||
4e0a7355 CS |
1683 | /* |
1684 | * XPath: /frr-interface:lib/interface/state/if-index | |
1685 | */ | |
60ee8be1 RW |
1686 | static struct yang_data * |
1687 | lib_interface_state_if_index_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1688 | { |
60ee8be1 | 1689 | const struct interface *ifp = args->list_entry; |
4e0a7355 | 1690 | |
60ee8be1 | 1691 | return yang_data_new_int32(args->xpath, ifp->ifindex); |
4e0a7355 CS |
1692 | } |
1693 | ||
1694 | /* | |
1695 | * XPath: /frr-interface:lib/interface/state/mtu | |
1696 | */ | |
60ee8be1 RW |
1697 | static struct yang_data * |
1698 | lib_interface_state_mtu_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1699 | { |
60ee8be1 | 1700 | const struct interface *ifp = args->list_entry; |
4e0a7355 | 1701 | |
60ee8be1 | 1702 | return yang_data_new_uint16(args->xpath, ifp->mtu); |
4e0a7355 CS |
1703 | } |
1704 | ||
1705 | /* | |
1706 | * XPath: /frr-interface:lib/interface/state/mtu6 | |
1707 | */ | |
60ee8be1 RW |
1708 | static struct yang_data * |
1709 | lib_interface_state_mtu6_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1710 | { |
60ee8be1 | 1711 | const struct interface *ifp = args->list_entry; |
4e0a7355 | 1712 | |
60ee8be1 | 1713 | return yang_data_new_uint32(args->xpath, ifp->mtu6); |
4e0a7355 CS |
1714 | } |
1715 | ||
1716 | /* | |
1717 | * XPath: /frr-interface:lib/interface/state/speed | |
1718 | */ | |
60ee8be1 RW |
1719 | static struct yang_data * |
1720 | lib_interface_state_speed_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1721 | { |
60ee8be1 | 1722 | const struct interface *ifp = args->list_entry; |
4e0a7355 | 1723 | |
60ee8be1 | 1724 | return yang_data_new_uint32(args->xpath, ifp->speed); |
4e0a7355 CS |
1725 | } |
1726 | ||
1727 | /* | |
1728 | * XPath: /frr-interface:lib/interface/state/metric | |
1729 | */ | |
60ee8be1 RW |
1730 | static struct yang_data * |
1731 | lib_interface_state_metric_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1732 | { |
60ee8be1 | 1733 | const struct interface *ifp = args->list_entry; |
4e0a7355 | 1734 | |
60ee8be1 | 1735 | return yang_data_new_uint32(args->xpath, ifp->metric); |
4e0a7355 CS |
1736 | } |
1737 | ||
1738 | /* | |
1739 | * XPath: /frr-interface:lib/interface/state/flags | |
1740 | */ | |
60ee8be1 RW |
1741 | static struct yang_data * |
1742 | lib_interface_state_flags_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 CS |
1743 | { |
1744 | /* TODO: implement me. */ | |
1745 | return NULL; | |
1746 | } | |
1747 | ||
1748 | /* | |
1749 | * XPath: /frr-interface:lib/interface/state/type | |
1750 | */ | |
60ee8be1 RW |
1751 | static struct yang_data * |
1752 | lib_interface_state_type_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 CS |
1753 | { |
1754 | /* TODO: implement me. */ | |
1755 | return NULL; | |
1756 | } | |
1757 | ||
1758 | /* | |
1759 | * XPath: /frr-interface:lib/interface/state/phy-address | |
1760 | */ | |
60ee8be1 RW |
1761 | static struct yang_data * |
1762 | lib_interface_state_phy_address_get_elem(struct nb_cb_get_elem_args *args) | |
4e0a7355 | 1763 | { |
60ee8be1 | 1764 | const struct interface *ifp = args->list_entry; |
4e0a7355 CS |
1765 | struct ethaddr macaddr; |
1766 | ||
1767 | memcpy(&macaddr.octet, ifp->hw_addr, ETH_ALEN); | |
1768 | ||
60ee8be1 | 1769 | return yang_data_new_mac(args->xpath, &macaddr); |
4e0a7355 CS |
1770 | } |
1771 | ||
a4bed468 RW |
1772 | /* clang-format off */ |
1773 | const struct frr_yang_module_info frr_interface_info = { | |
1774 | .name = "frr-interface", | |
1775 | .nodes = { | |
1776 | { | |
1777 | .xpath = "/frr-interface:lib/interface", | |
53280f93 DL |
1778 | .cbs = { |
1779 | .create = lib_interface_create, | |
1780 | .destroy = lib_interface_destroy, | |
1781 | .cli_show = cli_show_interface, | |
f88647ef QY |
1782 | .get_next = lib_interface_get_next, |
1783 | .get_keys = lib_interface_get_keys, | |
1784 | .lookup_entry = lib_interface_lookup_entry, | |
53280f93 | 1785 | }, |
a4bed468 RW |
1786 | }, |
1787 | { | |
1788 | .xpath = "/frr-interface:lib/interface/description", | |
53280f93 DL |
1789 | .cbs = { |
1790 | .modify = lib_interface_description_modify, | |
1791 | .destroy = lib_interface_description_destroy, | |
1792 | .cli_show = cli_show_interface_desc, | |
1793 | }, | |
a4bed468 | 1794 | }, |
4e0a7355 CS |
1795 | { |
1796 | .xpath = "/frr-interface:lib/interface/state/if-index", | |
1797 | .cbs = { | |
1798 | .get_elem = lib_interface_state_if_index_get_elem, | |
1799 | } | |
1800 | }, | |
1801 | { | |
1802 | .xpath = "/frr-interface:lib/interface/state/mtu", | |
1803 | .cbs = { | |
1804 | .get_elem = lib_interface_state_mtu_get_elem, | |
1805 | } | |
1806 | }, | |
1807 | { | |
1808 | .xpath = "/frr-interface:lib/interface/state/mtu6", | |
1809 | .cbs = { | |
1810 | .get_elem = lib_interface_state_mtu6_get_elem, | |
1811 | } | |
1812 | }, | |
1813 | { | |
1814 | .xpath = "/frr-interface:lib/interface/state/speed", | |
1815 | .cbs = { | |
1816 | .get_elem = lib_interface_state_speed_get_elem, | |
1817 | } | |
1818 | }, | |
1819 | { | |
1820 | .xpath = "/frr-interface:lib/interface/state/metric", | |
1821 | .cbs = { | |
1822 | .get_elem = lib_interface_state_metric_get_elem, | |
1823 | } | |
1824 | }, | |
1825 | { | |
1826 | .xpath = "/frr-interface:lib/interface/state/flags", | |
1827 | .cbs = { | |
1828 | .get_elem = lib_interface_state_flags_get_elem, | |
1829 | } | |
1830 | }, | |
1831 | { | |
1832 | .xpath = "/frr-interface:lib/interface/state/type", | |
1833 | .cbs = { | |
1834 | .get_elem = lib_interface_state_type_get_elem, | |
1835 | } | |
1836 | }, | |
1837 | { | |
1838 | .xpath = "/frr-interface:lib/interface/state/phy-address", | |
1839 | .cbs = { | |
1840 | .get_elem = lib_interface_state_phy_address_get_elem, | |
1841 | } | |
1842 | }, | |
a4bed468 RW |
1843 | { |
1844 | .xpath = NULL, | |
1845 | }, | |
1846 | } | |
1847 | }; |