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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 | |
d62a17ae | 42 | DEFINE_MTYPE(LIB, IF, "Interface") |
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 | |
f4e14fdb | 48 | static int if_cmp_func(const struct interface *, const struct interface *); |
ff880b78 RW |
49 | static int if_cmp_index_func(const struct interface *ifp1, |
50 | const struct interface *ifp2); | |
f4e14fdb | 51 | RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); |
ff880b78 | 52 | RB_GENERATE(if_index_head, interface, index_entry, if_cmp_index_func); |
f4e14fdb | 53 | |
e80e7cce DL |
54 | DEFINE_QOBJ_TYPE(interface) |
55 | ||
996c9314 LB |
56 | DEFINE_HOOK(if_add, (struct interface * ifp), (ifp)) |
57 | DEFINE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 58 | |
3a0391a9 | 59 | /* Compare interface names, returning an integer greater than, equal to, or |
60 | * less than 0, (following the strcmp convention), according to the | |
61 | * relationship between ifp1 and ifp2. Interface names consist of an | |
62 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
63 | * lexicographic by name, and then numeric by number. No number sorts | |
64 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
65 | * devpty0, de0 < del0 | |
d62a17ae | 66 | */ |
36de6e0e | 67 | int if_cmp_name_func(const char *p1, const char *p2) |
106d2fd5 | 68 | { |
d62a17ae | 69 | unsigned int l1, l2; |
70 | long int x1, x2; | |
71 | int res; | |
72 | ||
73 | while (*p1 && *p2) { | |
74 | /* look up to any number */ | |
75 | l1 = strcspn(p1, "0123456789"); | |
76 | l2 = strcspn(p2, "0123456789"); | |
77 | ||
78 | /* name lengths are different -> compare names */ | |
79 | if (l1 != l2) | |
80 | return (strcmp(p1, p2)); | |
81 | ||
82 | /* Note that this relies on all numbers being less than all | |
83 | * letters, so | |
84 | * that de0 < del0. | |
85 | */ | |
86 | res = strncmp(p1, p2, l1); | |
87 | ||
88 | /* names are different -> compare them */ | |
89 | if (res) | |
90 | return res; | |
91 | ||
92 | /* with identical name part, go to numeric part */ | |
93 | p1 += l1; | |
94 | p2 += l1; | |
95 | ||
c9cbbb40 RW |
96 | if (!*p1 && !*p2) |
97 | return 0; | |
d62a17ae | 98 | if (!*p1) |
99 | return -1; | |
100 | if (!*p2) | |
101 | return 1; | |
102 | ||
36de6e0e A |
103 | x1 = strtol(p1, (char **)&p1, 10); |
104 | x2 = strtol(p2, (char **)&p2, 10); | |
d62a17ae | 105 | |
106 | /* let's compare numbers now */ | |
107 | if (x1 < x2) | |
108 | return -1; | |
109 | if (x1 > x2) | |
110 | return 1; | |
111 | ||
112 | /* numbers were equal, lets do it again.. | |
113 | (it happens with name like "eth123.456:789") */ | |
114 | } | |
115 | if (*p1) | |
116 | return 1; | |
117 | if (*p2) | |
118 | return -1; | |
119 | return 0; | |
106d2fd5 | 120 | } |
121 | ||
f4e14fdb RW |
122 | static int if_cmp_func(const struct interface *ifp1, |
123 | const struct interface *ifp2) | |
974fc9d2 | 124 | { |
36de6e0e | 125 | return if_cmp_name_func(ifp1->name, ifp2->name); |
974fc9d2 DS |
126 | } |
127 | ||
ff880b78 RW |
128 | static int if_cmp_index_func(const struct interface *ifp1, |
129 | const struct interface *ifp2) | |
130 | { | |
131 | return ifp1->ifindex - ifp2->ifindex; | |
132 | } | |
133 | ||
718e3744 | 134 | /* Create new interface structure. */ |
bcc24579 | 135 | struct interface *if_create(const char *name, vrf_id_t vrf_id) |
718e3744 | 136 | { |
f4e14fdb | 137 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
d62a17ae | 138 | struct interface *ifp; |
d62a17ae | 139 | |
140 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
141 | ifp->ifindex = IFINDEX_INTERNAL; | |
142 | ||
143 | assert(name); | |
bcc24579 | 144 | strlcpy(ifp->name, name, sizeof(ifp->name)); |
d62a17ae | 145 | ifp->vrf_id = vrf_id; |
ff880b78 | 146 | IFNAME_RB_INSERT(vrf, ifp); |
d62a17ae | 147 | ifp->connected = list_new(); |
148 | ifp->connected->del = (void (*)(void *))connected_free; | |
149 | ||
150 | ifp->nbr_connected = list_new(); | |
151 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
152 | ||
153 | /* Enable Link-detection by default */ | |
154 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
155 | ||
156 | QOBJ_REG(ifp, interface); | |
996c9314 | 157 | hook_call(if_add, ifp); |
d62a17ae | 158 | return ifp; |
718e3744 | 159 | } |
160 | ||
f93e3f69 | 161 | /* Create new interface structure. */ |
d62a17ae | 162 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) |
f93e3f69 | 163 | { |
8f90d89b | 164 | struct vrf *old_vrf, *vrf; |
d62a17ae | 165 | |
166 | /* remove interface from old master vrf list */ | |
8f90d89b RW |
167 | old_vrf = vrf_lookup_by_id(ifp->vrf_id); |
168 | if (old_vrf) { | |
169 | IFNAME_RB_REMOVE(old_vrf, ifp); | |
ff880b78 | 170 | if (ifp->ifindex != IFINDEX_INTERNAL) |
8f90d89b | 171 | IFINDEX_RB_REMOVE(old_vrf, ifp); |
ff880b78 | 172 | } |
d62a17ae | 173 | |
174 | ifp->vrf_id = vrf_id; | |
f4e14fdb | 175 | vrf = vrf_get(ifp->vrf_id, NULL); |
ff880b78 RW |
176 | |
177 | IFNAME_RB_INSERT(vrf, ifp); | |
178 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
179 | IFINDEX_RB_INSERT(vrf, ifp); | |
8f90d89b RW |
180 | |
181 | /* | |
182 | * HACK: Change the interface VRF in the running configuration directly, | |
183 | * bypassing the northbound layer. This is necessary to avoid deleting | |
184 | * the interface and readding it in the new VRF, which would have | |
185 | * several implications. | |
186 | */ | |
187 | if (yang_module_find("frr-interface")) { | |
188 | struct lyd_node *if_dnode; | |
189 | ||
190 | if_dnode = yang_dnode_get( | |
191 | running_config->dnode, | |
192 | "/frr-interface:lib/interface[name='%s'][vrf='%s']/vrf", | |
193 | ifp->name, old_vrf->name); | |
194 | if (if_dnode) { | |
195 | yang_dnode_change_leaf(if_dnode, vrf->name); | |
196 | running_config->version++; | |
197 | } | |
198 | } | |
f93e3f69 DS |
199 | } |
200 | ||
201 | ||
d2fc8896 | 202 | /* Delete interface structure. */ |
d62a17ae | 203 | void if_delete_retain(struct interface *ifp) |
718e3744 | 204 | { |
996c9314 | 205 | hook_call(if_del, ifp); |
d62a17ae | 206 | QOBJ_UNREG(ifp); |
e80e7cce | 207 | |
d62a17ae | 208 | /* Free connected address list */ |
209 | list_delete_all_node(ifp->connected); | |
a80beece | 210 | |
d62a17ae | 211 | /* Free connected nbr address list */ |
212 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 213 | } |
214 | ||
215 | /* Delete and free interface structure. */ | |
d62a17ae | 216 | void if_delete(struct interface *ifp) |
d2fc8896 | 217 | { |
5b8524f5 RW |
218 | struct vrf *vrf; |
219 | ||
220 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
221 | assert(vrf); | |
f4e14fdb | 222 | |
ff880b78 RW |
223 | IFNAME_RB_REMOVE(vrf, ifp); |
224 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
225 | IFINDEX_RB_REMOVE(vrf, ifp); | |
d2fc8896 | 226 | |
d62a17ae | 227 | if_delete_retain(ifp); |
718e3744 | 228 | |
6a154c88 DL |
229 | list_delete(&ifp->connected); |
230 | list_delete(&ifp->nbr_connected); | |
2dd04c5d | 231 | |
d62a17ae | 232 | if_link_params_free(ifp); |
16f1b9ee | 233 | |
0a22ddfb | 234 | XFREE(MTYPE_TMP, ifp->desc); |
c7974c0f | 235 | |
d62a17ae | 236 | XFREE(MTYPE_IF, ifp); |
718e3744 | 237 | } |
238 | ||
718e3744 | 239 | /* Interface existance check by index. */ |
d62a17ae | 240 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 241 | { |
5b8524f5 | 242 | struct vrf *vrf; |
ff880b78 | 243 | struct interface if_tmp; |
f4e14fdb | 244 | |
5b8524f5 RW |
245 | vrf = vrf_lookup_by_id(vrf_id); |
246 | if (!vrf) | |
247 | return NULL; | |
248 | ||
ff880b78 RW |
249 | if_tmp.ifindex = ifindex; |
250 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 251 | } |
252 | ||
d62a17ae | 253 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 254 | { |
d62a17ae | 255 | struct interface *ifp; |
718e3744 | 256 | |
d62a17ae | 257 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
258 | ? ifp->name | |
259 | : "unknown"; | |
d2fc8896 | 260 | } |
261 | ||
d62a17ae | 262 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 263 | { |
d62a17ae | 264 | struct interface *ifp; |
d2fc8896 | 265 | |
d62a17ae | 266 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
267 | ? ifp->ifindex | |
268 | : IFINDEX_INTERNAL; | |
718e3744 | 269 | } |
270 | ||
271 | /* Interface existance check by interface name. */ | |
d62a17ae | 272 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 273 | { |
f4e14fdb RW |
274 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
275 | struct interface if_tmp; | |
d62a17ae | 276 | |
5b8524f5 RW |
277 | if (!vrf || !name |
278 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 279 | return NULL; |
f8962871 | 280 | |
f4e14fdb RW |
281 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
282 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
283 | } |
284 | ||
bcc24579 | 285 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 286 | { |
bcc24579 | 287 | struct vrf *vrf; |
d62a17ae | 288 | struct interface *ifp; |
a349198f | 289 | |
bcc24579 | 290 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 291 | return NULL; |
a349198f | 292 | |
bcc24579 RW |
293 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
294 | ifp = if_lookup_by_name(name, vrf->vrf_id); | |
295 | if (ifp) | |
d62a17ae | 296 | return ifp; |
297 | } | |
bcc24579 | 298 | |
d62a17ae | 299 | return NULL; |
a349198f | 300 | } |
301 | ||
718e3744 | 302 | /* Lookup interface by IPv4 address. */ |
d62a17ae | 303 | struct interface *if_lookup_exact_address(void *src, int family, |
304 | vrf_id_t vrf_id) | |
718e3744 | 305 | { |
f4e14fdb | 306 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 307 | struct listnode *cnode; |
308 | struct interface *ifp; | |
309 | struct prefix *p; | |
310 | struct connected *c; | |
311 | ||
451fda4f | 312 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 313 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
314 | p = c->address; | |
315 | ||
316 | if (p && (p->family == family)) { | |
317 | if (family == AF_INET) { | |
318 | if (IPV4_ADDR_SAME( | |
319 | &p->u.prefix4, | |
320 | (struct in_addr *)src)) | |
321 | return ifp; | |
322 | } else if (family == AF_INET6) { | |
323 | if (IPV6_ADDR_SAME( | |
324 | &p->u.prefix6, | |
325 | (struct in6_addr *)src)) | |
326 | return ifp; | |
327 | } | |
328 | } | |
0aabccc0 | 329 | } |
718e3744 | 330 | } |
d62a17ae | 331 | return NULL; |
718e3744 | 332 | } |
333 | ||
334 | /* Lookup interface by IPv4 address. */ | |
d62a17ae | 335 | struct connected *if_lookup_address(void *matchaddr, int family, |
336 | vrf_id_t vrf_id) | |
718e3744 | 337 | { |
f4e14fdb | 338 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 339 | struct prefix addr; |
340 | int bestlen = 0; | |
341 | struct listnode *cnode; | |
342 | struct interface *ifp; | |
343 | struct connected *c; | |
344 | struct connected *match; | |
345 | ||
346 | if (family == AF_INET) { | |
347 | addr.family = AF_INET; | |
348 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
349 | addr.prefixlen = IPV4_MAX_BITLEN; | |
350 | } else if (family == AF_INET6) { | |
351 | addr.family = AF_INET6; | |
352 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
353 | addr.prefixlen = IPV6_MAX_BITLEN; | |
354 | } | |
718e3744 | 355 | |
d62a17ae | 356 | match = NULL; |
718e3744 | 357 | |
451fda4f | 358 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 359 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
360 | if (c->address && (c->address->family == AF_INET) | |
361 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
362 | && (c->address->prefixlen > bestlen)) { | |
363 | bestlen = c->address->prefixlen; | |
364 | match = c; | |
365 | } | |
366 | } | |
718e3744 | 367 | } |
d62a17ae | 368 | return match; |
718e3744 | 369 | } |
370 | ||
b81e97a8 | 371 | /* Lookup interface by prefix */ |
d62a17ae | 372 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 373 | { |
f4e14fdb | 374 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 375 | struct listnode *cnode; |
376 | struct interface *ifp; | |
377 | struct connected *c; | |
378 | ||
451fda4f | 379 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 380 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
381 | if (prefix_cmp(c->address, prefix) == 0) { | |
382 | return ifp; | |
383 | } | |
384 | } | |
385 | } | |
386 | return NULL; | |
b81e97a8 DD |
387 | } |
388 | ||
718e3744 | 389 | /* Get interface by name if given name interface doesn't exist create |
390 | one. */ | |
8f90d89b | 391 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 392 | { |
8f90d89b | 393 | struct interface *ifp; |
718e3744 | 394 | |
8f90d89b | 395 | switch (vrf_get_backend()) { |
b0b97a7f | 396 | case VRF_BACKEND_UNKNOWN: |
8f90d89b | 397 | case VRF_BACKEND_NETNS: |
ee2f2c23 TC |
398 | ifp = if_lookup_by_name(name, vrf_id); |
399 | if (ifp) | |
400 | return ifp; | |
e9e9b115 | 401 | return if_create(name, vrf_id); |
8f90d89b RW |
402 | case VRF_BACKEND_VRF_LITE: |
403 | ifp = if_lookup_by_name_all_vrf(name); | |
404 | if (ifp) { | |
405 | if (ifp->vrf_id == vrf_id) | |
379eb245 | 406 | return ifp; |
8f90d89b RW |
407 | /* If it came from the kernel or by way of zclient, |
408 | * believe it and update the ifp accordingly. | |
409 | */ | |
410 | if_update_to_new_vrf(ifp, vrf_id); | |
411 | return ifp; | |
ee2f2c23 | 412 | } |
8f90d89b | 413 | return if_create(name, vrf_id); |
85f9da7f | 414 | } |
8f90d89b RW |
415 | |
416 | return NULL; | |
8736158a FL |
417 | } |
418 | ||
ff880b78 RW |
419 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
420 | { | |
5b8524f5 RW |
421 | struct vrf *vrf; |
422 | ||
423 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
424 | assert(vrf); | |
ff880b78 RW |
425 | |
426 | if (ifp->ifindex == ifindex) | |
427 | return; | |
428 | ||
429 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
430 | IFINDEX_RB_REMOVE(vrf, ifp) | |
431 | ||
432 | ifp->ifindex = ifindex; | |
433 | ||
434 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
435 | IFINDEX_RB_INSERT(vrf, ifp) | |
436 | } | |
437 | ||
718e3744 | 438 | /* Does interface up ? */ |
d62a17ae | 439 | int if_is_up(struct interface *ifp) |
718e3744 | 440 | { |
d62a17ae | 441 | return ifp->flags & IFF_UP; |
718e3744 | 442 | } |
443 | ||
2e3b2e47 | 444 | /* Is interface running? */ |
d62a17ae | 445 | int if_is_running(struct interface *ifp) |
2e3b2e47 | 446 | { |
d62a17ae | 447 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 448 | } |
449 | ||
450 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
451 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
452 | if ptm checking is enabled, then ptm check has passed */ | |
d62a17ae | 453 | int if_is_operative(struct interface *ifp) |
2e3b2e47 | 454 | { |
d62a17ae | 455 | return ((ifp->flags & IFF_UP) |
456 | && (((ifp->flags & IFF_RUNNING) | |
457 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
458 | || !CHECK_FLAG(ifp->status, | |
459 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
460 | } |
461 | ||
462 | /* Is the interface operative, eg. either UP & RUNNING | |
463 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
d62a17ae | 464 | int if_is_no_ptm_operative(struct interface *ifp) |
244c1cdc | 465 | { |
d62a17ae | 466 | return ((ifp->flags & IFF_UP) |
467 | && ((ifp->flags & IFF_RUNNING) | |
468 | || !CHECK_FLAG(ifp->status, | |
469 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 470 | } |
471 | ||
718e3744 | 472 | /* Is this loopback interface ? */ |
d62a17ae | 473 | int if_is_loopback(struct interface *ifp) |
718e3744 | 474 | { |
d62a17ae | 475 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
476 | * but Y on platform N? | |
477 | */ | |
478 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 479 | } |
480 | ||
0c74bbe0 CS |
481 | /* Check interface is VRF */ |
482 | int if_is_vrf(struct interface *ifp) | |
483 | { | |
484 | return CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK); | |
485 | } | |
486 | ||
fec4ca19 DS |
487 | bool if_is_loopback_or_vrf(struct interface *ifp) |
488 | { | |
489 | if (if_is_loopback(ifp) || if_is_vrf(ifp)) | |
490 | return true; | |
491 | ||
492 | return false; | |
493 | } | |
494 | ||
718e3744 | 495 | /* Does this interface support broadcast ? */ |
d62a17ae | 496 | int if_is_broadcast(struct interface *ifp) |
718e3744 | 497 | { |
d62a17ae | 498 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 499 | } |
500 | ||
501 | /* Does this interface support broadcast ? */ | |
d62a17ae | 502 | int if_is_pointopoint(struct interface *ifp) |
718e3744 | 503 | { |
d62a17ae | 504 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 505 | } |
506 | ||
507 | /* Does this interface support multicast ? */ | |
d62a17ae | 508 | int if_is_multicast(struct interface *ifp) |
718e3744 | 509 | { |
d62a17ae | 510 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 511 | } |
512 | ||
513 | /* Printout flag information into log */ | |
d62a17ae | 514 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 515 | { |
d62a17ae | 516 | int separator = 0; |
517 | static char logbuf[BUFSIZ]; | |
518 | ||
519 | #define IFF_OUT_LOG(X, STR) \ | |
520 | if (flag & (X)) { \ | |
521 | if (separator) \ | |
3393df5c | 522 | strlcat(logbuf, ",", sizeof(logbuf)); \ |
d62a17ae | 523 | else \ |
524 | separator = 1; \ | |
3393df5c | 525 | strlcat(logbuf, STR, sizeof(logbuf)); \ |
d62a17ae | 526 | } |
718e3744 | 527 | |
d62a17ae | 528 | strlcpy(logbuf, "<", BUFSIZ); |
529 | IFF_OUT_LOG(IFF_UP, "UP"); | |
530 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
531 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
532 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
533 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
534 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
535 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
536 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
537 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
538 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
539 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
540 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
541 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
542 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
543 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
544 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
545 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
546 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
547 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
548 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
549 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
550 | ||
3393df5c | 551 | strlcat(logbuf, ">", sizeof(logbuf)); |
d62a17ae | 552 | |
553 | return logbuf; | |
630c97ce | 554 | #undef IFF_OUT_LOG |
718e3744 | 555 | } |
556 | ||
557 | /* For debugging */ | |
d62a17ae | 558 | static void if_dump(const struct interface *ifp) |
718e3744 | 559 | { |
d62a17ae | 560 | struct listnode *node; |
561 | struct connected *c __attribute__((unused)); | |
562 | ||
563 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
564 | zlog_info( | |
565 | "Interface %s vrf %u index %d metric %d mtu %d " | |
566 | "mtu6 %d %s", | |
567 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, | |
568 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); | |
718e3744 | 569 | } |
570 | ||
571 | /* Interface printing for all interface. */ | |
d62a17ae | 572 | void if_dump_all(void) |
718e3744 | 573 | { |
d62a17ae | 574 | struct vrf *vrf; |
f4e14fdb | 575 | void *ifp; |
d62a17ae | 576 | |
a2addae8 | 577 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 578 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 579 | if_dump(ifp); |
718e3744 | 580 | } |
581 | ||
98954844 PJ |
582 | #ifdef SUNOS_5 |
583 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
584 | * a seperate struct interface for each logical interface, so config | |
585 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
586 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
587 | * interfaces can be fruitless, for that reason Quagga only tracks | |
588 | * the primary IP interface. | |
589 | * | |
590 | * We try accomodate SUNWzebra by: | |
591 | * - looking up the interface name, to see whether it exists, if so | |
592 | * its useable | |
593 | * - for protocol daemons, this could only because zebra told us of | |
594 | * the interface | |
595 | * - for zebra, only because it learnt from kernel | |
596 | * - if not: | |
597 | * - search the name to see if it contains a sub-ipif / logical interface | |
598 | * seperator, the ':' char. If it does: | |
599 | * - text up to that char must be the primary name - get that name. | |
600 | * if not: | |
601 | * - no idea, just get the name in its entirety. | |
602 | */ | |
ae9eebca | 603 | static struct interface *if_sunwzebra_get(const char *name, vrf_id_t vrf_id) |
98954844 | 604 | { |
d62a17ae | 605 | struct interface *ifp; |
bcc24579 | 606 | char *cp; |
d62a17ae | 607 | |
bcc24579 | 608 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 609 | return ifp; |
610 | ||
611 | /* hunt the primary interface name... */ | |
bcc24579 RW |
612 | cp = strchr(name, ':'); |
613 | if (cp) | |
614 | *cp = '\0'; | |
d62a17ae | 615 | |
8f90d89b | 616 | return if_get_by_name(name, vrf_id); |
98954844 PJ |
617 | } |
618 | #endif /* SUNOS_5 */ | |
6b0655a2 | 619 | |
d7d73ffc | 620 | #if 0 |
718e3744 | 621 | /* For debug purpose. */ |
622 | DEFUN (show_address, | |
623 | show_address_cmd, | |
199d90a1 | 624 | "show address [vrf NAME]", |
718e3744 | 625 | SHOW_STR |
fcbee690 QY |
626 | "address\n" |
627 | VRF_CMD_HELP_STR) | |
718e3744 | 628 | { |
abddf075 | 629 | int idx_vrf = 3; |
52dc7ee6 | 630 | struct listnode *node; |
718e3744 | 631 | struct interface *ifp; |
632 | struct connected *ifc; | |
633 | struct prefix *p; | |
8736158a | 634 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 635 | |
fcbee690 | 636 | if (argc > 2) |
58749582 | 637 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 638 | |
451fda4f | 639 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 640 | { |
f4e14fdb | 641 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 642 | { |
718e3744 | 643 | p = ifc->address; |
644 | ||
645 | if (p->family == AF_INET) | |
55f70b67 | 646 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 647 | } |
648 | } | |
649 | return CMD_SUCCESS; | |
650 | } | |
651 | ||
8736158a FL |
652 | DEFUN (show_address_vrf_all, |
653 | show_address_vrf_all_cmd, | |
9ccf14f7 | 654 | "show address vrf all", |
8736158a FL |
655 | SHOW_STR |
656 | "address\n" | |
657 | VRF_ALL_CMD_HELP_STR) | |
658 | { | |
1a1a7065 | 659 | struct vrf *vrf; |
8736158a | 660 | struct listnode *node; |
8736158a FL |
661 | struct interface *ifp; |
662 | struct connected *ifc; | |
663 | struct prefix *p; | |
8736158a | 664 | |
a62c4901 | 665 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 666 | { |
f4e14fdb | 667 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
668 | continue; |
669 | ||
55f70b67 | 670 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 671 | |
451fda4f | 672 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 673 | { |
f4e14fdb | 674 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
675 | { |
676 | p = ifc->address; | |
677 | ||
678 | if (p->family == AF_INET) | |
55f70b67 | 679 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
680 | } |
681 | } | |
682 | } | |
683 | return CMD_SUCCESS; | |
684 | } | |
d7d73ffc | 685 | #endif |
8736158a | 686 | |
718e3744 | 687 | /* Allocate connected structure. */ |
d62a17ae | 688 | struct connected *connected_new(void) |
718e3744 | 689 | { |
d62a17ae | 690 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 691 | } |
692 | ||
a80beece | 693 | /* Allocate nbr connected structure. */ |
d62a17ae | 694 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 695 | { |
d62a17ae | 696 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
697 | } |
698 | ||
718e3744 | 699 | /* Free connected structure. */ |
d62a17ae | 700 | void connected_free(struct connected *connected) |
718e3744 | 701 | { |
d62a17ae | 702 | if (connected->address) |
703 | prefix_free(connected->address); | |
718e3744 | 704 | |
d62a17ae | 705 | if (connected->destination) |
706 | prefix_free(connected->destination); | |
718e3744 | 707 | |
0a22ddfb | 708 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); |
718e3744 | 709 | |
d62a17ae | 710 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 711 | } |
712 | ||
a80beece | 713 | /* Free nbr connected structure. */ |
d62a17ae | 714 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 715 | { |
d62a17ae | 716 | if (connected->address) |
717 | prefix_free(connected->address); | |
a80beece | 718 | |
d62a17ae | 719 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
720 | } |
721 | ||
722 | /* If same interface nbr address already exists... */ | |
d62a17ae | 723 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
724 | struct prefix *p) | |
a80beece | 725 | { |
d62a17ae | 726 | struct nbr_connected *ifc; |
727 | struct listnode *node; | |
a80beece | 728 | |
d62a17ae | 729 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
730 | if (prefix_same(ifc->address, p)) | |
731 | return ifc; | |
a80beece | 732 | |
d62a17ae | 733 | return NULL; |
a80beece DS |
734 | } |
735 | ||
718e3744 | 736 | /* Print if_addr structure. */ |
d62a17ae | 737 | static void __attribute__((unused)) |
738 | connected_log(struct connected *connected, char *str) | |
718e3744 | 739 | { |
d62a17ae | 740 | struct prefix *p; |
741 | struct interface *ifp; | |
742 | char logbuf[BUFSIZ]; | |
743 | char buf[BUFSIZ]; | |
744 | ||
745 | ifp = connected->ifp; | |
746 | p = connected->address; | |
747 | ||
748 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
749 | ifp->name, ifp->vrf_id, prefix_family_str(p), | |
750 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
751 | ||
752 | p = connected->destination; | |
753 | if (p) { | |
754 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
755 | BUFSIZ - strlen(logbuf)); | |
756 | } | |
757 | zlog_info("%s", logbuf); | |
718e3744 | 758 | } |
759 | ||
a80beece | 760 | /* Print if_addr structure. */ |
d62a17ae | 761 | static void __attribute__((unused)) |
762 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 763 | { |
d62a17ae | 764 | struct prefix *p; |
765 | struct interface *ifp; | |
766 | char logbuf[BUFSIZ]; | |
767 | char buf[BUFSIZ]; | |
a80beece | 768 | |
d62a17ae | 769 | ifp = connected->ifp; |
770 | p = connected->address; | |
a80beece | 771 | |
d62a17ae | 772 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
773 | prefix_family_str(p), | |
774 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 775 | |
d62a17ae | 776 | zlog_info("%s", logbuf); |
a80beece DS |
777 | } |
778 | ||
718e3744 | 779 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 780 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 781 | { |
d62a17ae | 782 | if (p1->family == p2->family) { |
783 | if (p1->family == AF_INET | |
784 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
785 | return 1; | |
786 | if (p1->family == AF_INET6 | |
787 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
788 | return 1; | |
789 | } | |
790 | return 0; | |
718e3744 | 791 | } |
792 | ||
d62a17ae | 793 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
794 | struct prefix *p) | |
38485402 | 795 | { |
d62a17ae | 796 | struct listnode *node; |
797 | struct listnode *next; | |
798 | struct connected *ifc; | |
38485402 | 799 | |
d62a17ae | 800 | for (node = listhead(ifp->connected); node; node = next) { |
801 | ifc = listgetdata(node); | |
802 | next = node->next; | |
38485402 | 803 | |
d62a17ae | 804 | if (connected_same_prefix(ifc->address, p)) |
805 | return ifc; | |
806 | } | |
807 | return NULL; | |
38485402 DS |
808 | } |
809 | ||
d62a17ae | 810 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
811 | struct prefix *p) | |
718e3744 | 812 | { |
d62a17ae | 813 | struct listnode *node; |
814 | struct listnode *next; | |
815 | struct connected *ifc; | |
816 | ||
817 | /* In case of same prefix come, replace it with new one. */ | |
818 | for (node = listhead(ifp->connected); node; node = next) { | |
819 | ifc = listgetdata(node); | |
820 | next = node->next; | |
821 | ||
822 | if (connected_same_prefix(ifc->address, p)) { | |
823 | listnode_delete(ifp->connected, ifc); | |
824 | return ifc; | |
825 | } | |
718e3744 | 826 | } |
d62a17ae | 827 | return NULL; |
718e3744 | 828 | } |
829 | ||
bd40c341 | 830 | /* Find the address on our side that will be used when packets |
727d104b | 831 | are sent to dst. */ |
d62a17ae | 832 | struct connected *connected_lookup_prefix(struct interface *ifp, |
833 | struct prefix *addr) | |
727d104b | 834 | { |
d62a17ae | 835 | struct listnode *cnode; |
836 | struct connected *c; | |
837 | struct connected *match; | |
838 | ||
839 | match = NULL; | |
840 | ||
841 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
842 | if (c->address && (c->address->family == addr->family) | |
843 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
844 | && (!match | |
845 | || (c->address->prefixlen > match->address->prefixlen))) | |
846 | match = c; | |
847 | } | |
848 | return match; | |
727d104b | 849 | } |
850 | ||
d62a17ae | 851 | struct connected *connected_add_by_prefix(struct interface *ifp, |
852 | struct prefix *p, | |
853 | struct prefix *destination) | |
4a7aac1b | 854 | { |
d62a17ae | 855 | struct connected *ifc; |
4a7aac1b | 856 | |
d62a17ae | 857 | /* Allocate new connected address. */ |
858 | ifc = connected_new(); | |
859 | ifc->ifp = ifp; | |
4a7aac1b | 860 | |
d62a17ae | 861 | /* Fetch interface address */ |
862 | ifc->address = prefix_new(); | |
863 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 864 | |
d62a17ae | 865 | /* Fetch dest address */ |
866 | if (destination) { | |
867 | ifc->destination = prefix_new(); | |
868 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
869 | } | |
4a7aac1b | 870 | |
d62a17ae | 871 | /* Add connected address to the interface. */ |
872 | listnode_add(ifp->connected, ifc); | |
873 | return ifc; | |
4a7aac1b | 874 | } |
875 | ||
d62a17ae | 876 | #if 0 /* this route_table of struct connected's is unused \ |
877 | * however, it would be good to use a route_table rather than \ | |
878 | * a list.. \ | |
879 | */ | |
718e3744 | 880 | /* Interface looking up by interface's address. */ |
718e3744 | 881 | /* Interface's IPv4 address reverse lookup table. */ |
882 | struct route_table *ifaddr_ipv4_table; | |
883 | /* struct route_table *ifaddr_ipv6_table; */ | |
884 | ||
8cc4198f | 885 | static void |
718e3744 | 886 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
887 | { | |
888 | struct route_node *rn; | |
889 | struct prefix_ipv4 p; | |
890 | ||
891 | p.family = AF_INET; | |
892 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
893 | p.prefix = *ifaddr; | |
894 | ||
895 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
896 | if (rn) | |
897 | { | |
898 | route_unlock_node (rn); | |
899 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
900 | inet_ntoa (*ifaddr)); | |
901 | return; | |
902 | } | |
903 | rn->info = ifp; | |
904 | } | |
905 | ||
8cc4198f | 906 | static void |
718e3744 | 907 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
908 | { | |
909 | struct route_node *rn; | |
910 | struct prefix_ipv4 p; | |
911 | ||
912 | p.family = AF_INET; | |
913 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
914 | p.prefix = *ifaddr; | |
915 | ||
916 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
917 | if (! rn) | |
918 | { | |
919 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
920 | inet_ntoa (*ifaddr)); | |
921 | return; | |
922 | } | |
923 | rn->info = NULL; | |
924 | route_unlock_node (rn); | |
925 | route_unlock_node (rn); | |
926 | } | |
927 | ||
928 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 929 | static struct interface * |
b892f1dd | 930 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 931 | { |
932 | struct prefix_ipv4 p; | |
933 | struct route_node *rn; | |
934 | struct interface *ifp; | |
718e3744 | 935 | |
936 | if (addr) | |
937 | { | |
938 | p.family = AF_INET; | |
939 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
940 | p.prefix = *addr; | |
941 | ||
942 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
943 | if (! rn) | |
944 | return NULL; | |
55cd0f61 | 945 | |
718e3744 | 946 | ifp = rn->info; |
947 | route_unlock_node (rn); | |
948 | return ifp; | |
949 | } | |
950 | else | |
7e2b7603 | 951 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 952 | } |
8cc4198f | 953 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 954 | |
f4e14fdb | 955 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 956 | { |
f4e14fdb | 957 | struct interface *ifp; |
4bd045d5 | 958 | |
55cd0f61 DS |
959 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
960 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
961 | ||
d62a17ae | 962 | if (ifp->node) { |
963 | ifp->node->info = NULL; | |
964 | route_unlock_node(ifp->node); | |
965 | } | |
d62a17ae | 966 | if_delete(ifp); |
967 | } | |
4bd045d5 | 968 | } |
8ccc7e80 | 969 | |
d62a17ae | 970 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 971 | { |
d62a17ae | 972 | switch (llt) { |
8ccc7e80 | 973 | #define llts(T,S) case (T): return (S) |
d62a17ae | 974 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
975 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
976 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
977 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
978 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
979 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
980 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
981 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
982 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
983 | llts(ZEBRA_LLT_ATM, "ATM"); | |
984 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
985 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
986 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
987 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
988 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
989 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
990 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
991 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
992 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
993 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
994 | llts(ZEBRA_LLT_PPP, "PPP"); | |
995 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
996 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
997 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
998 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
999 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1000 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1001 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1002 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1003 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1004 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1005 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1006 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1007 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1008 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1009 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1010 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1011 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1012 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1013 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1014 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1015 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1016 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1017 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1018 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1019 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1020 | default: | |
450971aa | 1021 | flog_err(EC_LIB_DEVELOPMENT, "Unknown value %d", llt); |
d62a17ae | 1022 | return "Unknown type!"; |
8ccc7e80 | 1023 | #undef llts |
d62a17ae | 1024 | } |
1025 | return NULL; | |
8ccc7e80 | 1026 | } |
16f1b9ee | 1027 | |
d62a17ae | 1028 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1029 | { |
d62a17ae | 1030 | int i; |
16f1b9ee | 1031 | |
d62a17ae | 1032 | if (ifp->link_params != NULL) |
1033 | return ifp->link_params; | |
16f1b9ee | 1034 | |
d62a17ae | 1035 | struct if_link_params *iflp = |
1036 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1037 | if (iflp == NULL) | |
1038 | return NULL; | |
16f1b9ee | 1039 | |
d62a17ae | 1040 | /* Set TE metric equal to standard metric */ |
1041 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1042 | |
d62a17ae | 1043 | /* Compute default bandwidth based on interface */ |
1044 | iflp->default_bw = | |
1045 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1046 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1047 | |
d62a17ae | 1048 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1049 | iflp->max_bw = iflp->default_bw; | |
1050 | iflp->max_rsv_bw = iflp->default_bw; | |
1051 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1052 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1053 | |
d62a17ae | 1054 | /* Update Link parameters status */ |
1055 | iflp->lp_status = | |
1056 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1057 | |
d62a17ae | 1058 | /* Finally attach newly created Link Parameters */ |
1059 | ifp->link_params = iflp; | |
16f1b9ee | 1060 | |
d62a17ae | 1061 | return iflp; |
16f1b9ee OD |
1062 | } |
1063 | ||
d62a17ae | 1064 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1065 | { |
d62a17ae | 1066 | if (ifp->link_params == NULL) |
1067 | return; | |
1068 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1069 | ifp->link_params = NULL; | |
16f1b9ee | 1070 | } |
a4bed468 | 1071 | |
8f90d89b RW |
1072 | /* ----------- CLI commands ----------- */ |
1073 | ||
1074 | /* | |
1075 | * XPath: /frr-interface:lib/interface | |
1076 | */ | |
1077 | DEFPY_NOSH (interface, | |
1078 | interface_cmd, | |
1079 | "interface IFNAME [vrf NAME$vrfname]", | |
1080 | "Select an interface to configure\n" | |
1081 | "Interface's name\n" | |
1082 | VRF_CMD_HELP_STR) | |
1083 | { | |
1084 | char xpath_list[XPATH_MAXLEN]; | |
8f90d89b RW |
1085 | vrf_id_t vrf_id; |
1086 | struct interface *ifp; | |
1087 | int ret; | |
1088 | ||
1089 | if (!vrfname) | |
1090 | vrfname = VRF_DEFAULT_NAME; | |
1091 | ||
1092 | /* | |
1093 | * This command requires special handling to maintain backward | |
1094 | * compatibility. If a VRF name is not specified, it means we're willing | |
1095 | * to accept any interface with the given name on any VRF. If no | |
1096 | * interface is found, then a new one should be created on the default | |
1097 | * VRF. | |
1098 | */ | |
1099 | VRF_GET_ID(vrf_id, vrfname, false); | |
1100 | ifp = if_lookup_by_name_all_vrf(ifname); | |
1101 | if (ifp && ifp->vrf_id != vrf_id) { | |
1102 | struct vrf *vrf; | |
1103 | ||
1104 | /* | |
1105 | * Special case 1: a VRF name was specified, but the found | |
1106 | * interface is associated to different VRF. Reject the command. | |
1107 | */ | |
1108 | if (vrf_id != VRF_DEFAULT) { | |
1109 | vty_out(vty, "%% interface %s not in %s vrf\n", ifname, | |
1110 | vrfname); | |
1111 | return CMD_WARNING_CONFIG_FAILED; | |
1112 | } | |
1113 | ||
1114 | /* | |
1115 | * Special case 2: a VRF name was *not* specified, and the found | |
1116 | * interface is associated to a VRF other than the default one. | |
1117 | * Update vrf_id and vrfname to account for that. | |
1118 | */ | |
1119 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
1120 | assert(vrf); | |
1121 | vrf_id = ifp->vrf_id; | |
1122 | vrfname = vrf->name; | |
1123 | } | |
1124 | ||
1125 | snprintf(xpath_list, sizeof(xpath_list), | |
1126 | "/frr-interface:lib/interface[name='%s'][vrf='%s']", ifname, | |
1127 | vrfname); | |
1128 | ||
a6233bfc RW |
1129 | nb_cli_enqueue_change(vty, ".", NB_OP_CREATE, NULL); |
1130 | ret = nb_cli_apply_changes(vty, xpath_list); | |
8f90d89b RW |
1131 | if (ret == CMD_SUCCESS) { |
1132 | VTY_PUSH_XPATH(INTERFACE_NODE, xpath_list); | |
1133 | ||
1134 | /* | |
1135 | * For backward compatibility with old commands we still need | |
1136 | * to use the qobj infrastructure. This can be removed once | |
1137 | * all interface-level commands are converted to the new | |
1138 | * northbound model. | |
1139 | */ | |
1140 | ifp = if_lookup_by_name(ifname, vrf_id); | |
1141 | if (ifp) | |
1142 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
1143 | } | |
1144 | ||
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | DEFPY (no_interface, | |
1149 | no_interface_cmd, | |
1150 | "no interface IFNAME [vrf NAME$vrfname]", | |
1151 | NO_STR | |
1152 | "Delete a pseudo interface's configuration\n" | |
1153 | "Interface's name\n" | |
1154 | VRF_CMD_HELP_STR) | |
1155 | { | |
8f90d89b RW |
1156 | if (!vrfname) |
1157 | vrfname = VRF_DEFAULT_NAME; | |
1158 | ||
95ce849b | 1159 | nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); |
8f90d89b | 1160 | |
a6233bfc RW |
1161 | return nb_cli_apply_changes( |
1162 | vty, "/frr-interface:lib/interface[name='%s'][vrf='%s']", | |
1163 | ifname, vrfname); | |
8f90d89b RW |
1164 | } |
1165 | ||
1166 | static void cli_show_interface(struct vty *vty, struct lyd_node *dnode, | |
1167 | bool show_defaults) | |
1168 | { | |
1169 | const char *vrf; | |
1170 | ||
1171 | vrf = yang_dnode_get_string(dnode, "./vrf"); | |
1172 | ||
1173 | vty_out(vty, "!\n"); | |
1174 | vty_out(vty, "interface %s", yang_dnode_get_string(dnode, "./name")); | |
1175 | if (!strmatch(vrf, VRF_DEFAULT_NAME)) | |
1176 | vty_out(vty, " vrf %s", vrf); | |
1177 | vty_out(vty, "\n"); | |
1178 | } | |
1179 | ||
1180 | /* | |
1181 | * XPath: /frr-interface:lib/interface/description | |
1182 | */ | |
1183 | DEFPY (interface_desc, | |
1184 | interface_desc_cmd, | |
1185 | "description LINE...", | |
1186 | "Interface specific description\n" | |
1187 | "Characters describing this interface\n") | |
1188 | { | |
8f90d89b RW |
1189 | char *desc; |
1190 | int ret; | |
1191 | ||
1192 | desc = argv_concat(argv, argc, 1); | |
a6233bfc RW |
1193 | nb_cli_enqueue_change(vty, "./description", NB_OP_MODIFY, desc); |
1194 | ret = nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1195 | XFREE(MTYPE_TMP, desc); |
1196 | ||
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | DEFPY (no_interface_desc, | |
1201 | no_interface_desc_cmd, | |
1202 | "no description", | |
1203 | NO_STR | |
1204 | "Interface specific description\n") | |
1205 | { | |
95ce849b | 1206 | nb_cli_enqueue_change(vty, "./description", NB_OP_DESTROY, NULL); |
a6233bfc RW |
1207 | |
1208 | return nb_cli_apply_changes(vty, NULL); | |
8f90d89b RW |
1209 | } |
1210 | ||
1211 | static void cli_show_interface_desc(struct vty *vty, struct lyd_node *dnode, | |
1212 | bool show_defaults) | |
1213 | { | |
1214 | vty_out(vty, " description %s\n", yang_dnode_get_string(dnode, NULL)); | |
1215 | } | |
1216 | ||
1217 | /* Interface autocomplete. */ | |
1218 | static void if_autocomplete(vector comps, struct cmd_token *token) | |
1219 | { | |
1220 | struct interface *ifp; | |
1221 | struct vrf *vrf; | |
1222 | ||
1223 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
1224 | FOR_ALL_INTERFACES (vrf, ifp) { | |
1225 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | static const struct cmd_variable_handler if_var_handlers[] = { | |
1231 | {/* "interface NAME" */ | |
1232 | .varname = "interface", | |
1233 | .completions = if_autocomplete}, | |
1234 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
1235 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
1236 | {.completions = NULL}}; | |
1237 | ||
1238 | void if_cmd_init(void) | |
1239 | { | |
1240 | cmd_variable_handler_register(if_var_handlers); | |
1241 | ||
1242 | install_element(CONFIG_NODE, &interface_cmd); | |
1243 | install_element(CONFIG_NODE, &no_interface_cmd); | |
1244 | ||
1245 | install_default(INTERFACE_NODE); | |
1246 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
1247 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
1248 | } | |
1249 | ||
a4bed468 RW |
1250 | /* ------- Northbound callbacks ------- */ |
1251 | ||
1252 | /* | |
1253 | * XPath: /frr-interface:lib/interface | |
1254 | */ | |
1255 | static int lib_interface_create(enum nb_event event, | |
1256 | const struct lyd_node *dnode, | |
1257 | union nb_resource *resource) | |
1258 | { | |
8f90d89b RW |
1259 | const char *ifname; |
1260 | const char *vrfname; | |
1261 | struct vrf *vrf; | |
1262 | struct interface *ifp; | |
1263 | ||
1264 | ifname = yang_dnode_get_string(dnode, "./name"); | |
1265 | vrfname = yang_dnode_get_string(dnode, "./vrf"); | |
1266 | ||
1267 | switch (event) { | |
1268 | case NB_EV_VALIDATE: | |
1269 | vrf = vrf_lookup_by_name(vrfname); | |
1270 | if (!vrf) { | |
1271 | zlog_warn("%s: VRF %s doesn't exist", __func__, | |
1272 | vrfname); | |
1273 | return NB_ERR_VALIDATION; | |
1274 | } | |
1275 | if (vrf->vrf_id == VRF_UNKNOWN) { | |
1276 | zlog_warn("%s: VRF %s is not active", __func__, | |
1277 | vrf->name); | |
1278 | return NB_ERR_VALIDATION; | |
1279 | } | |
72261ecd | 1280 | |
b0b97a7f PG |
1281 | /* if VRF is netns or not yet known - init for instance |
1282 | * then assumption is that passed config is exact | |
1283 | * then the user intent was not to use an other iface | |
1284 | */ | |
8f90d89b RW |
1285 | if (vrf_get_backend() == VRF_BACKEND_VRF_LITE) { |
1286 | ifp = if_lookup_by_name_all_vrf(ifname); | |
1287 | if (ifp && ifp->vrf_id != vrf->vrf_id) { | |
1288 | zlog_warn( | |
1289 | "%s: interface %s already exists in another VRF", | |
1290 | __func__, ifp->name); | |
1291 | return NB_ERR_VALIDATION; | |
1292 | } | |
1293 | } | |
1294 | break; | |
1295 | case NB_EV_PREPARE: | |
1296 | case NB_EV_ABORT: | |
1297 | break; | |
1298 | case NB_EV_APPLY: | |
1299 | vrf = vrf_lookup_by_name(vrfname); | |
1300 | assert(vrf); | |
1301 | #ifdef SUNOS_5 | |
1302 | ifp = if_sunwzebra_get(ifname, vrf->vrf_id); | |
1303 | #else | |
1304 | ifp = if_get_by_name(ifname, vrf->vrf_id); | |
1305 | #endif /* SUNOS_5 */ | |
1306 | yang_dnode_set_entry(dnode, ifp); | |
1307 | break; | |
1308 | } | |
1309 | ||
a4bed468 RW |
1310 | return NB_OK; |
1311 | } | |
1312 | ||
6a3fdeec RW |
1313 | static int lib_interface_destroy(enum nb_event event, |
1314 | const struct lyd_node *dnode) | |
a4bed468 | 1315 | { |
8f90d89b RW |
1316 | struct interface *ifp; |
1317 | ||
25c780a3 | 1318 | ifp = yang_dnode_get_entry(dnode, true); |
8f90d89b RW |
1319 | |
1320 | switch (event) { | |
1321 | case NB_EV_VALIDATE: | |
1322 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { | |
1323 | zlog_warn("%s: only inactive interfaces can be deleted", | |
1324 | __func__); | |
1325 | return NB_ERR_VALIDATION; | |
1326 | } | |
1327 | break; | |
1328 | case NB_EV_PREPARE: | |
1329 | case NB_EV_ABORT: | |
1330 | break; | |
1331 | case NB_EV_APPLY: | |
1332 | if_delete(ifp); | |
1333 | break; | |
1334 | } | |
1335 | ||
a4bed468 RW |
1336 | return NB_OK; |
1337 | } | |
1338 | ||
1339 | /* | |
1340 | * XPath: /frr-interface:lib/interface/description | |
1341 | */ | |
1342 | static int lib_interface_description_modify(enum nb_event event, | |
1343 | const struct lyd_node *dnode, | |
1344 | union nb_resource *resource) | |
1345 | { | |
8f90d89b RW |
1346 | struct interface *ifp; |
1347 | const char *description; | |
1348 | ||
1349 | if (event != NB_EV_APPLY) | |
1350 | return NB_OK; | |
1351 | ||
25c780a3 | 1352 | ifp = yang_dnode_get_entry(dnode, true); |
0a22ddfb | 1353 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b RW |
1354 | description = yang_dnode_get_string(dnode, NULL); |
1355 | ifp->desc = XSTRDUP(MTYPE_TMP, description); | |
1356 | ||
a4bed468 RW |
1357 | return NB_OK; |
1358 | } | |
1359 | ||
6a3fdeec RW |
1360 | static int lib_interface_description_destroy(enum nb_event event, |
1361 | const struct lyd_node *dnode) | |
a4bed468 | 1362 | { |
8f90d89b RW |
1363 | struct interface *ifp; |
1364 | ||
1365 | if (event != NB_EV_APPLY) | |
1366 | return NB_OK; | |
1367 | ||
25c780a3 | 1368 | ifp = yang_dnode_get_entry(dnode, true); |
0a22ddfb | 1369 | XFREE(MTYPE_TMP, ifp->desc); |
8f90d89b | 1370 | |
a4bed468 RW |
1371 | return NB_OK; |
1372 | } | |
1373 | ||
1374 | /* clang-format off */ | |
1375 | const struct frr_yang_module_info frr_interface_info = { | |
1376 | .name = "frr-interface", | |
1377 | .nodes = { | |
1378 | { | |
1379 | .xpath = "/frr-interface:lib/interface", | |
1380 | .cbs.create = lib_interface_create, | |
6a3fdeec | 1381 | .cbs.destroy = lib_interface_destroy, |
8f90d89b | 1382 | .cbs.cli_show = cli_show_interface, |
a4bed468 RW |
1383 | }, |
1384 | { | |
1385 | .xpath = "/frr-interface:lib/interface/description", | |
1386 | .cbs.modify = lib_interface_description_modify, | |
6a3fdeec | 1387 | .cbs.destroy = lib_interface_description_destroy, |
8f90d89b | 1388 | .cbs.cli_show = cli_show_interface_desc, |
a4bed468 RW |
1389 | }, |
1390 | { | |
1391 | .xpath = NULL, | |
1392 | }, | |
1393 | } | |
1394 | }; |