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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" | |
26 | #include "vty.h" | |
27 | #include "command.h" | |
8736158a | 28 | #include "vrf.h" |
718e3744 | 29 | #include "if.h" |
30 | #include "sockunion.h" | |
31 | #include "prefix.h" | |
718e3744 | 32 | #include "memory.h" |
33 | #include "table.h" | |
34 | #include "buffer.h" | |
718e3744 | 35 | #include "log.h" |
6b0655a2 | 36 | |
d62a17ae | 37 | DEFINE_MTYPE(LIB, IF, "Interface") |
38 | DEFINE_MTYPE_STATIC(LIB, CONNECTED, "Connected") | |
39 | DEFINE_MTYPE_STATIC(LIB, NBR_CONNECTED, "Neighbor Connected") | |
40 | DEFINE_MTYPE(LIB, CONNECTED_LABEL, "Connected interface label") | |
41 | DEFINE_MTYPE_STATIC(LIB, IF_LINK_PARAMS, "Informational Link Parameters") | |
4a1ab8e4 | 42 | |
f4e14fdb | 43 | static int if_cmp_func(const struct interface *, const struct interface *); |
ff880b78 RW |
44 | static int if_cmp_index_func(const struct interface *ifp1, |
45 | const struct interface *ifp2); | |
f4e14fdb | 46 | RB_GENERATE(if_name_head, interface, name_entry, if_cmp_func); |
ff880b78 | 47 | RB_GENERATE(if_index_head, interface, index_entry, if_cmp_index_func); |
f4e14fdb | 48 | |
e80e7cce DL |
49 | DEFINE_QOBJ_TYPE(interface) |
50 | ||
996c9314 LB |
51 | DEFINE_HOOK(if_add, (struct interface * ifp), (ifp)) |
52 | DEFINE_KOOH(if_del, (struct interface * ifp), (ifp)) | |
ce19a04a | 53 | |
8736158a | 54 | /* List of interfaces in only the default VRF */ |
244c1cdc | 55 | int ptm_enable = 0; |
718e3744 | 56 | |
3a0391a9 | 57 | /* Compare interface names, returning an integer greater than, equal to, or |
58 | * less than 0, (following the strcmp convention), according to the | |
59 | * relationship between ifp1 and ifp2. Interface names consist of an | |
60 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
61 | * lexicographic by name, and then numeric by number. No number sorts | |
62 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
63 | * devpty0, de0 < del0 | |
d62a17ae | 64 | */ |
65 | int if_cmp_name_func(char *p1, char *p2) | |
106d2fd5 | 66 | { |
d62a17ae | 67 | unsigned int l1, l2; |
68 | long int x1, x2; | |
69 | int res; | |
70 | ||
71 | while (*p1 && *p2) { | |
72 | /* look up to any number */ | |
73 | l1 = strcspn(p1, "0123456789"); | |
74 | l2 = strcspn(p2, "0123456789"); | |
75 | ||
76 | /* name lengths are different -> compare names */ | |
77 | if (l1 != l2) | |
78 | return (strcmp(p1, p2)); | |
79 | ||
80 | /* Note that this relies on all numbers being less than all | |
81 | * letters, so | |
82 | * that de0 < del0. | |
83 | */ | |
84 | res = strncmp(p1, p2, l1); | |
85 | ||
86 | /* names are different -> compare them */ | |
87 | if (res) | |
88 | return res; | |
89 | ||
90 | /* with identical name part, go to numeric part */ | |
91 | p1 += l1; | |
92 | p2 += l1; | |
93 | ||
c9cbbb40 RW |
94 | if (!*p1 && !*p2) |
95 | return 0; | |
d62a17ae | 96 | if (!*p1) |
97 | return -1; | |
98 | if (!*p2) | |
99 | return 1; | |
100 | ||
101 | x1 = strtol(p1, &p1, 10); | |
102 | x2 = strtol(p2, &p2, 10); | |
103 | ||
104 | /* let's compare numbers now */ | |
105 | if (x1 < x2) | |
106 | return -1; | |
107 | if (x1 > x2) | |
108 | return 1; | |
109 | ||
110 | /* numbers were equal, lets do it again.. | |
111 | (it happens with name like "eth123.456:789") */ | |
112 | } | |
113 | if (*p1) | |
114 | return 1; | |
115 | if (*p2) | |
116 | return -1; | |
117 | return 0; | |
106d2fd5 | 118 | } |
119 | ||
f4e14fdb RW |
120 | static int if_cmp_func(const struct interface *ifp1, |
121 | const struct interface *ifp2) | |
974fc9d2 | 122 | { |
f4e14fdb | 123 | return if_cmp_name_func((char *)ifp1->name, (char *)ifp2->name); |
974fc9d2 DS |
124 | } |
125 | ||
ff880b78 RW |
126 | static int if_cmp_index_func(const struct interface *ifp1, |
127 | const struct interface *ifp2) | |
128 | { | |
129 | return ifp1->ifindex - ifp2->ifindex; | |
130 | } | |
131 | ||
718e3744 | 132 | /* Create new interface structure. */ |
bcc24579 | 133 | struct interface *if_create(const char *name, vrf_id_t vrf_id) |
718e3744 | 134 | { |
f4e14fdb | 135 | struct vrf *vrf = vrf_get(vrf_id, NULL); |
d62a17ae | 136 | struct interface *ifp; |
d62a17ae | 137 | |
138 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
139 | ifp->ifindex = IFINDEX_INTERNAL; | |
140 | ||
141 | assert(name); | |
bcc24579 | 142 | strlcpy(ifp->name, name, sizeof(ifp->name)); |
d62a17ae | 143 | ifp->vrf_id = vrf_id; |
ff880b78 | 144 | IFNAME_RB_INSERT(vrf, ifp); |
d62a17ae | 145 | ifp->connected = list_new(); |
146 | ifp->connected->del = (void (*)(void *))connected_free; | |
147 | ||
148 | ifp->nbr_connected = list_new(); | |
149 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
150 | ||
151 | /* Enable Link-detection by default */ | |
152 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
153 | ||
154 | QOBJ_REG(ifp, interface); | |
996c9314 | 155 | hook_call(if_add, ifp); |
d62a17ae | 156 | return ifp; |
718e3744 | 157 | } |
158 | ||
f93e3f69 | 159 | /* Create new interface structure. */ |
d62a17ae | 160 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) |
f93e3f69 | 161 | { |
f4e14fdb | 162 | struct vrf *vrf; |
d62a17ae | 163 | |
164 | /* remove interface from old master vrf list */ | |
f4e14fdb | 165 | vrf = vrf_lookup_by_id(ifp->vrf_id); |
ff880b78 RW |
166 | if (vrf) { |
167 | IFNAME_RB_REMOVE(vrf, ifp); | |
168 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
169 | IFINDEX_RB_REMOVE(vrf, ifp); | |
170 | } | |
d62a17ae | 171 | |
172 | ifp->vrf_id = vrf_id; | |
f4e14fdb | 173 | vrf = vrf_get(ifp->vrf_id, NULL); |
ff880b78 RW |
174 | |
175 | IFNAME_RB_INSERT(vrf, ifp); | |
176 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
177 | IFINDEX_RB_INSERT(vrf, ifp); | |
f93e3f69 DS |
178 | } |
179 | ||
180 | ||
d2fc8896 | 181 | /* Delete interface structure. */ |
d62a17ae | 182 | void if_delete_retain(struct interface *ifp) |
718e3744 | 183 | { |
996c9314 | 184 | hook_call(if_del, ifp); |
d62a17ae | 185 | QOBJ_UNREG(ifp); |
e80e7cce | 186 | |
d62a17ae | 187 | /* Free connected address list */ |
188 | list_delete_all_node(ifp->connected); | |
a80beece | 189 | |
d62a17ae | 190 | /* Free connected nbr address list */ |
191 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 192 | } |
193 | ||
194 | /* Delete and free interface structure. */ | |
d62a17ae | 195 | void if_delete(struct interface *ifp) |
d2fc8896 | 196 | { |
5b8524f5 RW |
197 | struct vrf *vrf; |
198 | ||
199 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
200 | assert(vrf); | |
f4e14fdb | 201 | |
ff880b78 RW |
202 | IFNAME_RB_REMOVE(vrf, ifp); |
203 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
204 | IFINDEX_RB_REMOVE(vrf, ifp); | |
d2fc8896 | 205 | |
d62a17ae | 206 | if_delete_retain(ifp); |
718e3744 | 207 | |
acdf5e25 DS |
208 | list_delete_and_null(&ifp->connected); |
209 | list_delete_and_null(&ifp->nbr_connected); | |
2dd04c5d | 210 | |
d62a17ae | 211 | if_link_params_free(ifp); |
16f1b9ee | 212 | |
c7974c0f DS |
213 | if (ifp->desc) |
214 | XFREE(MTYPE_TMP, ifp->desc); | |
215 | ||
d62a17ae | 216 | XFREE(MTYPE_IF, ifp); |
718e3744 | 217 | } |
218 | ||
718e3744 | 219 | /* Interface existance check by index. */ |
d62a17ae | 220 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 221 | { |
5b8524f5 | 222 | struct vrf *vrf; |
ff880b78 | 223 | struct interface if_tmp; |
f4e14fdb | 224 | |
14fcc65c DS |
225 | if (vrf_id == VRF_UNKNOWN) { |
226 | struct interface *ifp; | |
227 | ||
996c9314 | 228 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
14fcc65c DS |
229 | ifp = if_lookup_by_index(ifindex, vrf->vrf_id); |
230 | if (ifp) | |
231 | return ifp; | |
232 | } | |
233 | ||
234 | return NULL; | |
235 | } | |
236 | ||
5b8524f5 RW |
237 | vrf = vrf_lookup_by_id(vrf_id); |
238 | if (!vrf) | |
239 | return NULL; | |
240 | ||
ff880b78 RW |
241 | if_tmp.ifindex = ifindex; |
242 | return RB_FIND(if_index_head, &vrf->ifaces_by_index, &if_tmp); | |
718e3744 | 243 | } |
244 | ||
d62a17ae | 245 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 246 | { |
d62a17ae | 247 | struct interface *ifp; |
718e3744 | 248 | |
d62a17ae | 249 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
250 | ? ifp->name | |
251 | : "unknown"; | |
d2fc8896 | 252 | } |
253 | ||
d62a17ae | 254 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 255 | { |
d62a17ae | 256 | struct interface *ifp; |
d2fc8896 | 257 | |
d62a17ae | 258 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
259 | ? ifp->ifindex | |
260 | : IFINDEX_INTERNAL; | |
718e3744 | 261 | } |
262 | ||
263 | /* Interface existance check by interface name. */ | |
d62a17ae | 264 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 265 | { |
f4e14fdb RW |
266 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
267 | struct interface if_tmp; | |
d62a17ae | 268 | |
5b8524f5 RW |
269 | if (!vrf || !name |
270 | || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) | |
bcc24579 | 271 | return NULL; |
f8962871 | 272 | |
f4e14fdb RW |
273 | strlcpy(if_tmp.name, name, sizeof(if_tmp.name)); |
274 | return RB_FIND(if_name_head, &vrf->ifaces_by_name, &if_tmp); | |
f8962871 DS |
275 | } |
276 | ||
bcc24579 | 277 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 278 | { |
bcc24579 | 279 | struct vrf *vrf; |
d62a17ae | 280 | struct interface *ifp; |
a349198f | 281 | |
bcc24579 | 282 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 283 | return NULL; |
a349198f | 284 | |
bcc24579 RW |
285 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
286 | ifp = if_lookup_by_name(name, vrf->vrf_id); | |
287 | if (ifp) | |
d62a17ae | 288 | return ifp; |
289 | } | |
bcc24579 | 290 | |
d62a17ae | 291 | return NULL; |
a349198f | 292 | } |
293 | ||
718e3744 | 294 | /* Lookup interface by IPv4 address. */ |
d62a17ae | 295 | struct interface *if_lookup_exact_address(void *src, int family, |
296 | vrf_id_t vrf_id) | |
718e3744 | 297 | { |
f4e14fdb | 298 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 299 | struct listnode *cnode; |
300 | struct interface *ifp; | |
301 | struct prefix *p; | |
302 | struct connected *c; | |
303 | ||
451fda4f | 304 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 305 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
306 | p = c->address; | |
307 | ||
308 | if (p && (p->family == family)) { | |
309 | if (family == AF_INET) { | |
310 | if (IPV4_ADDR_SAME( | |
311 | &p->u.prefix4, | |
312 | (struct in_addr *)src)) | |
313 | return ifp; | |
314 | } else if (family == AF_INET6) { | |
315 | if (IPV6_ADDR_SAME( | |
316 | &p->u.prefix6, | |
317 | (struct in6_addr *)src)) | |
318 | return ifp; | |
319 | } | |
320 | } | |
0aabccc0 | 321 | } |
718e3744 | 322 | } |
d62a17ae | 323 | return NULL; |
718e3744 | 324 | } |
325 | ||
326 | /* Lookup interface by IPv4 address. */ | |
d62a17ae | 327 | struct connected *if_lookup_address(void *matchaddr, int family, |
328 | vrf_id_t vrf_id) | |
718e3744 | 329 | { |
f4e14fdb | 330 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 331 | struct prefix addr; |
332 | int bestlen = 0; | |
333 | struct listnode *cnode; | |
334 | struct interface *ifp; | |
335 | struct connected *c; | |
336 | struct connected *match; | |
337 | ||
338 | if (family == AF_INET) { | |
339 | addr.family = AF_INET; | |
340 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
341 | addr.prefixlen = IPV4_MAX_BITLEN; | |
342 | } else if (family == AF_INET6) { | |
343 | addr.family = AF_INET6; | |
344 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
345 | addr.prefixlen = IPV6_MAX_BITLEN; | |
346 | } | |
718e3744 | 347 | |
d62a17ae | 348 | match = NULL; |
718e3744 | 349 | |
451fda4f | 350 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 351 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
352 | if (c->address && (c->address->family == AF_INET) | |
353 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
354 | && (c->address->prefixlen > bestlen)) { | |
355 | bestlen = c->address->prefixlen; | |
356 | match = c; | |
357 | } | |
358 | } | |
718e3744 | 359 | } |
d62a17ae | 360 | return match; |
718e3744 | 361 | } |
362 | ||
b81e97a8 | 363 | /* Lookup interface by prefix */ |
d62a17ae | 364 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 365 | { |
f4e14fdb | 366 | struct vrf *vrf = vrf_lookup_by_id(vrf_id); |
d62a17ae | 367 | struct listnode *cnode; |
368 | struct interface *ifp; | |
369 | struct connected *c; | |
370 | ||
451fda4f | 371 | FOR_ALL_INTERFACES (vrf, ifp) { |
d62a17ae | 372 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { |
373 | if (prefix_cmp(c->address, prefix) == 0) { | |
374 | return ifp; | |
375 | } | |
376 | } | |
377 | } | |
378 | return NULL; | |
b81e97a8 DD |
379 | } |
380 | ||
718e3744 | 381 | /* Get interface by name if given name interface doesn't exist create |
382 | one. */ | |
bcc24579 | 383 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id, int vty) |
718e3744 | 384 | { |
d62a17ae | 385 | struct interface *ifp; |
718e3744 | 386 | |
e9e9b115 PG |
387 | ifp = if_lookup_by_name(name, vrf_id); |
388 | if (ifp) | |
389 | return ifp; | |
390 | /* Not Found on same VRF. If the interface command | |
391 | * was entered in vty without a VRF (passed as VRF_DEFAULT), | |
392 | * accept the ifp we found. If a vrf was entered and there is | |
393 | * a mismatch, reject it if from vty. | |
394 | */ | |
bcc24579 | 395 | ifp = if_lookup_by_name_all_vrf(name); |
e9e9b115 PG |
396 | if (!ifp) |
397 | return if_create(name, vrf_id); | |
398 | if (vty) { | |
399 | if (vrf_id == VRF_DEFAULT) | |
bcc24579 | 400 | return ifp; |
e9e9b115 | 401 | return NULL; |
85f9da7f | 402 | } |
e9e9b115 PG |
403 | /* if vrf backend uses NETNS, then |
404 | * this should not be considered as an update | |
405 | * then create the new interface | |
406 | */ | |
996c9314 | 407 | if (ifp->vrf_id != vrf_id && vrf_is_mapped_on_netns(vrf_id)) |
e9e9b115 PG |
408 | return if_create(name, vrf_id); |
409 | /* If it came from the kernel | |
410 | * or by way of zclient, believe it and update | |
411 | * the ifp accordingly. | |
412 | */ | |
413 | if_update_to_new_vrf(ifp, vrf_id); | |
414 | return ifp; | |
8736158a FL |
415 | } |
416 | ||
ff880b78 RW |
417 | void if_set_index(struct interface *ifp, ifindex_t ifindex) |
418 | { | |
5b8524f5 RW |
419 | struct vrf *vrf; |
420 | ||
421 | vrf = vrf_lookup_by_id(ifp->vrf_id); | |
422 | assert(vrf); | |
ff880b78 RW |
423 | |
424 | if (ifp->ifindex == ifindex) | |
425 | return; | |
426 | ||
427 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
428 | IFINDEX_RB_REMOVE(vrf, ifp) | |
429 | ||
430 | ifp->ifindex = ifindex; | |
431 | ||
432 | if (ifp->ifindex != IFINDEX_INTERNAL) | |
433 | IFINDEX_RB_INSERT(vrf, ifp) | |
434 | } | |
435 | ||
718e3744 | 436 | /* Does interface up ? */ |
d62a17ae | 437 | int if_is_up(struct interface *ifp) |
718e3744 | 438 | { |
d62a17ae | 439 | return ifp->flags & IFF_UP; |
718e3744 | 440 | } |
441 | ||
2e3b2e47 | 442 | /* Is interface running? */ |
d62a17ae | 443 | int if_is_running(struct interface *ifp) |
2e3b2e47 | 444 | { |
d62a17ae | 445 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 446 | } |
447 | ||
448 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
449 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
450 | if ptm checking is enabled, then ptm check has passed */ | |
d62a17ae | 451 | int if_is_operative(struct interface *ifp) |
2e3b2e47 | 452 | { |
d62a17ae | 453 | return ((ifp->flags & IFF_UP) |
454 | && (((ifp->flags & IFF_RUNNING) | |
455 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
456 | || !CHECK_FLAG(ifp->status, | |
457 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
458 | } |
459 | ||
460 | /* Is the interface operative, eg. either UP & RUNNING | |
461 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
d62a17ae | 462 | int if_is_no_ptm_operative(struct interface *ifp) |
244c1cdc | 463 | { |
d62a17ae | 464 | return ((ifp->flags & IFF_UP) |
465 | && ((ifp->flags & IFF_RUNNING) | |
466 | || !CHECK_FLAG(ifp->status, | |
467 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 468 | } |
469 | ||
718e3744 | 470 | /* Is this loopback interface ? */ |
d62a17ae | 471 | int if_is_loopback(struct interface *ifp) |
718e3744 | 472 | { |
d62a17ae | 473 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
474 | * but Y on platform N? | |
475 | */ | |
476 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 477 | } |
478 | ||
479 | /* Does this interface support broadcast ? */ | |
d62a17ae | 480 | int if_is_broadcast(struct interface *ifp) |
718e3744 | 481 | { |
d62a17ae | 482 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 483 | } |
484 | ||
485 | /* Does this interface support broadcast ? */ | |
d62a17ae | 486 | int if_is_pointopoint(struct interface *ifp) |
718e3744 | 487 | { |
d62a17ae | 488 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 489 | } |
490 | ||
491 | /* Does this interface support multicast ? */ | |
d62a17ae | 492 | int if_is_multicast(struct interface *ifp) |
718e3744 | 493 | { |
d62a17ae | 494 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 495 | } |
496 | ||
497 | /* Printout flag information into log */ | |
d62a17ae | 498 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 499 | { |
d62a17ae | 500 | int separator = 0; |
501 | static char logbuf[BUFSIZ]; | |
502 | ||
503 | #define IFF_OUT_LOG(X, STR) \ | |
504 | if (flag & (X)) { \ | |
505 | if (separator) \ | |
506 | strlcat(logbuf, ",", BUFSIZ); \ | |
507 | else \ | |
508 | separator = 1; \ | |
509 | strlcat(logbuf, STR, BUFSIZ); \ | |
510 | } | |
718e3744 | 511 | |
d62a17ae | 512 | strlcpy(logbuf, "<", BUFSIZ); |
513 | IFF_OUT_LOG(IFF_UP, "UP"); | |
514 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
515 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
516 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
517 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
518 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
519 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
520 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
521 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
522 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
523 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
524 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
525 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
526 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
527 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
528 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
529 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
530 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
531 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
532 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
533 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
534 | ||
535 | strlcat(logbuf, ">", BUFSIZ); | |
536 | ||
537 | return logbuf; | |
630c97ce | 538 | #undef IFF_OUT_LOG |
718e3744 | 539 | } |
540 | ||
541 | /* For debugging */ | |
d62a17ae | 542 | static void if_dump(const struct interface *ifp) |
718e3744 | 543 | { |
d62a17ae | 544 | struct listnode *node; |
545 | struct connected *c __attribute__((unused)); | |
546 | ||
547 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
548 | zlog_info( | |
549 | "Interface %s vrf %u index %d metric %d mtu %d " | |
550 | "mtu6 %d %s", | |
551 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, | |
552 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); | |
718e3744 | 553 | } |
554 | ||
555 | /* Interface printing for all interface. */ | |
d62a17ae | 556 | void if_dump_all(void) |
718e3744 | 557 | { |
d62a17ae | 558 | struct vrf *vrf; |
f4e14fdb | 559 | void *ifp; |
d62a17ae | 560 | |
a2addae8 | 561 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
451fda4f | 562 | FOR_ALL_INTERFACES (vrf, ifp) |
f4e14fdb | 563 | if_dump(ifp); |
718e3744 | 564 | } |
565 | ||
6147e2c6 | 566 | DEFUN (interface_desc, |
718e3744 | 567 | interface_desc_cmd, |
fcbee690 | 568 | "description LINE...", |
718e3744 | 569 | "Interface specific description\n" |
570 | "Characters describing this interface\n") | |
571 | { | |
d62a17ae | 572 | int idx_line = 1; |
573 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
718e3744 | 574 | |
d62a17ae | 575 | if (ifp->desc) |
576 | XFREE(MTYPE_TMP, ifp->desc); | |
577 | ifp->desc = argv_concat(argv, argc, idx_line); | |
718e3744 | 578 | |
d62a17ae | 579 | return CMD_SUCCESS; |
718e3744 | 580 | } |
581 | ||
6147e2c6 | 582 | DEFUN (no_interface_desc, |
718e3744 | 583 | no_interface_desc_cmd, |
584 | "no description", | |
585 | NO_STR | |
586 | "Interface specific description\n") | |
587 | { | |
d62a17ae | 588 | VTY_DECLVAR_CONTEXT(interface, ifp); |
718e3744 | 589 | |
d62a17ae | 590 | if (ifp->desc) |
591 | XFREE(MTYPE_TMP, ifp->desc); | |
592 | ifp->desc = NULL; | |
718e3744 | 593 | |
d62a17ae | 594 | return CMD_SUCCESS; |
718e3744 | 595 | } |
6b0655a2 | 596 | |
98954844 PJ |
597 | #ifdef SUNOS_5 |
598 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
599 | * a seperate struct interface for each logical interface, so config | |
600 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
601 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
602 | * interfaces can be fruitless, for that reason Quagga only tracks | |
603 | * the primary IP interface. | |
604 | * | |
605 | * We try accomodate SUNWzebra by: | |
606 | * - looking up the interface name, to see whether it exists, if so | |
607 | * its useable | |
608 | * - for protocol daemons, this could only because zebra told us of | |
609 | * the interface | |
610 | * - for zebra, only because it learnt from kernel | |
611 | * - if not: | |
612 | * - search the name to see if it contains a sub-ipif / logical interface | |
613 | * seperator, the ':' char. If it does: | |
614 | * - text up to that char must be the primary name - get that name. | |
615 | * if not: | |
616 | * - no idea, just get the name in its entirety. | |
617 | */ | |
bcc24579 | 618 | static struct interface *if_sunwzebra_get(char *name, vrf_id_t vrf_id) |
98954844 | 619 | { |
d62a17ae | 620 | struct interface *ifp; |
bcc24579 | 621 | char *cp; |
d62a17ae | 622 | |
bcc24579 | 623 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 624 | return ifp; |
625 | ||
626 | /* hunt the primary interface name... */ | |
bcc24579 RW |
627 | cp = strchr(name, ':'); |
628 | if (cp) | |
629 | *cp = '\0'; | |
d62a17ae | 630 | |
bcc24579 | 631 | return if_get_by_name(name, vrf_id, 1); |
98954844 PJ |
632 | } |
633 | #endif /* SUNOS_5 */ | |
6b0655a2 | 634 | |
718e3744 | 635 | DEFUN (interface, |
636 | interface_cmd, | |
199d90a1 | 637 | "interface IFNAME [vrf NAME]", |
718e3744 | 638 | "Select an interface to configure\n" |
fcbee690 QY |
639 | "Interface's name\n" |
640 | VRF_CMD_HELP_STR) | |
718e3744 | 641 | { |
d62a17ae | 642 | int idx_ifname = 1; |
643 | int idx_vrf = 3; | |
644 | const char *ifname = argv[idx_ifname]->arg; | |
645 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; | |
646 | ||
647 | struct interface *ifp; | |
d62a17ae | 648 | vrf_id_t vrf_id = VRF_DEFAULT; |
649 | ||
bcc24579 | 650 | if (strlen(ifname) > INTERFACE_NAMSIZ) { |
d62a17ae | 651 | vty_out(vty, |
652 | "%% Interface name %s is invalid: length exceeds " | |
653 | "%d characters\n", | |
654 | ifname, INTERFACE_NAMSIZ); | |
655 | return CMD_WARNING_CONFIG_FAILED; | |
656 | } | |
718e3744 | 657 | |
d62a17ae | 658 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
659 | Imagine forward reference of a vrf by name in this interface config */ | |
660 | if (vrfname) | |
661 | VRF_GET_ID(vrf_id, vrfname); | |
cd2a8a42 | 662 | |
98954844 | 663 | #ifdef SUNOS_5 |
bcc24579 | 664 | ifp = if_sunwzebra_get(ifname, vrf_id); |
98954844 | 665 | #else |
bcc24579 | 666 | ifp = if_get_by_name(ifname, vrf_id, 1); |
98954844 | 667 | #endif /* SUNOS_5 */ |
718e3744 | 668 | |
d62a17ae | 669 | if (!ifp) { |
670 | vty_out(vty, "%% interface %s not in %s\n", ifname, vrfname); | |
671 | return CMD_WARNING_CONFIG_FAILED; | |
672 | } | |
673 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
718e3744 | 674 | |
d62a17ae | 675 | return CMD_SUCCESS; |
718e3744 | 676 | } |
677 | ||
32d2463c | 678 | DEFUN_NOSH (no_interface, |
679 | no_interface_cmd, | |
199d90a1 | 680 | "no interface IFNAME [vrf NAME]", |
32d2463c | 681 | NO_STR |
682 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
683 | "Interface's name\n" |
684 | VRF_CMD_HELP_STR) | |
32d2463c | 685 | { |
1505b537 | 686 | int idx_vrf = 4; |
d62a17ae | 687 | const char *ifname = argv[2]->arg; |
1505b537 | 688 | const char *vrfname = (argc > 3) ? argv[idx_vrf]->arg : NULL; |
fcbee690 | 689 | |
d62a17ae | 690 | // deleting interface |
691 | struct interface *ifp; | |
692 | vrf_id_t vrf_id = VRF_DEFAULT; | |
32d2463c | 693 | |
d62a17ae | 694 | if (argc > 3) |
695 | VRF_GET_ID(vrf_id, vrfname); | |
cd2a8a42 | 696 | |
d62a17ae | 697 | ifp = if_lookup_by_name(ifname, vrf_id); |
32d2463c | 698 | |
d62a17ae | 699 | if (ifp == NULL) { |
700 | vty_out(vty, "%% Interface %s does not exist\n", ifname); | |
701 | return CMD_WARNING_CONFIG_FAILED; | |
702 | } | |
32d2463c | 703 | |
d62a17ae | 704 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
705 | vty_out(vty, "%% Only inactive interfaces can be deleted\n"); | |
706 | return CMD_WARNING_CONFIG_FAILED; | |
707 | } | |
32d2463c | 708 | |
d62a17ae | 709 | if_delete(ifp); |
32d2463c | 710 | |
d62a17ae | 711 | return CMD_SUCCESS; |
32d2463c | 712 | } |
713 | ||
5d56066e RW |
714 | static void if_autocomplete(vector comps, struct cmd_token *token) |
715 | { | |
716 | struct interface *ifp; | |
717 | struct vrf *vrf = NULL; | |
718 | ||
719 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
451fda4f | 720 | FOR_ALL_INTERFACES (vrf, ifp) { |
5d56066e RW |
721 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); |
722 | } | |
723 | } | |
724 | } | |
725 | ||
726 | static const struct cmd_variable_handler if_var_handlers[] = { | |
727 | {/* "interface NAME" */ | |
728 | .varname = "interface", | |
729 | .completions = if_autocomplete}, | |
730 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
731 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
732 | {.completions = NULL}}; | |
733 | ||
d62a17ae | 734 | void if_cmd_init(void) |
0b84f294 | 735 | { |
5d56066e RW |
736 | cmd_variable_handler_register(if_var_handlers); |
737 | ||
d62a17ae | 738 | install_element(CONFIG_NODE, &interface_cmd); |
739 | install_element(CONFIG_NODE, &no_interface_cmd); | |
0b84f294 | 740 | |
d62a17ae | 741 | install_default(INTERFACE_NODE); |
742 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
743 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
0b84f294 DL |
744 | } |
745 | ||
d7d73ffc | 746 | #if 0 |
718e3744 | 747 | /* For debug purpose. */ |
748 | DEFUN (show_address, | |
749 | show_address_cmd, | |
199d90a1 | 750 | "show address [vrf NAME]", |
718e3744 | 751 | SHOW_STR |
fcbee690 QY |
752 | "address\n" |
753 | VRF_CMD_HELP_STR) | |
718e3744 | 754 | { |
abddf075 | 755 | int idx_vrf = 3; |
52dc7ee6 | 756 | struct listnode *node; |
718e3744 | 757 | struct interface *ifp; |
758 | struct connected *ifc; | |
759 | struct prefix *p; | |
8736158a | 760 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 761 | |
fcbee690 | 762 | if (argc > 2) |
58749582 | 763 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a | 764 | |
451fda4f | 765 | FOR_ALL_INTERFACES (vrf, ifp) |
718e3744 | 766 | { |
f4e14fdb | 767 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
718e3744 | 768 | { |
718e3744 | 769 | p = ifc->address; |
770 | ||
771 | if (p->family == AF_INET) | |
55f70b67 | 772 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 773 | } |
774 | } | |
775 | return CMD_SUCCESS; | |
776 | } | |
777 | ||
8736158a FL |
778 | DEFUN (show_address_vrf_all, |
779 | show_address_vrf_all_cmd, | |
9ccf14f7 | 780 | "show address vrf all", |
8736158a FL |
781 | SHOW_STR |
782 | "address\n" | |
783 | VRF_ALL_CMD_HELP_STR) | |
784 | { | |
1a1a7065 | 785 | struct vrf *vrf; |
8736158a | 786 | struct listnode *node; |
8736158a FL |
787 | struct interface *ifp; |
788 | struct connected *ifc; | |
789 | struct prefix *p; | |
8736158a | 790 | |
a62c4901 | 791 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 792 | { |
f4e14fdb | 793 | if (RB_EMPTY (if_name_head, &vrf->ifaces_by_name)) |
8736158a FL |
794 | continue; |
795 | ||
55f70b67 | 796 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 797 | |
451fda4f | 798 | FOR_ALL_INTERFACES (vrf, ifp) |
8736158a | 799 | { |
f4e14fdb | 800 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node, ifc)) |
8736158a FL |
801 | { |
802 | p = ifc->address; | |
803 | ||
804 | if (p->family == AF_INET) | |
55f70b67 | 805 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
806 | } |
807 | } | |
808 | } | |
809 | return CMD_SUCCESS; | |
810 | } | |
d7d73ffc | 811 | #endif |
8736158a | 812 | |
718e3744 | 813 | /* Allocate connected structure. */ |
d62a17ae | 814 | struct connected *connected_new(void) |
718e3744 | 815 | { |
d62a17ae | 816 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 817 | } |
818 | ||
a80beece | 819 | /* Allocate nbr connected structure. */ |
d62a17ae | 820 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 821 | { |
d62a17ae | 822 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
823 | } |
824 | ||
718e3744 | 825 | /* Free connected structure. */ |
d62a17ae | 826 | void connected_free(struct connected *connected) |
718e3744 | 827 | { |
d62a17ae | 828 | if (connected->address) |
829 | prefix_free(connected->address); | |
718e3744 | 830 | |
d62a17ae | 831 | if (connected->destination) |
832 | prefix_free(connected->destination); | |
718e3744 | 833 | |
d62a17ae | 834 | if (connected->label) |
835 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); | |
718e3744 | 836 | |
d62a17ae | 837 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 838 | } |
839 | ||
a80beece | 840 | /* Free nbr connected structure. */ |
d62a17ae | 841 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 842 | { |
d62a17ae | 843 | if (connected->address) |
844 | prefix_free(connected->address); | |
a80beece | 845 | |
d62a17ae | 846 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
847 | } |
848 | ||
849 | /* If same interface nbr address already exists... */ | |
d62a17ae | 850 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
851 | struct prefix *p) | |
a80beece | 852 | { |
d62a17ae | 853 | struct nbr_connected *ifc; |
854 | struct listnode *node; | |
a80beece | 855 | |
d62a17ae | 856 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
857 | if (prefix_same(ifc->address, p)) | |
858 | return ifc; | |
a80beece | 859 | |
d62a17ae | 860 | return NULL; |
a80beece DS |
861 | } |
862 | ||
718e3744 | 863 | /* Print if_addr structure. */ |
d62a17ae | 864 | static void __attribute__((unused)) |
865 | connected_log(struct connected *connected, char *str) | |
718e3744 | 866 | { |
d62a17ae | 867 | struct prefix *p; |
868 | struct interface *ifp; | |
869 | char logbuf[BUFSIZ]; | |
870 | char buf[BUFSIZ]; | |
871 | ||
872 | ifp = connected->ifp; | |
873 | p = connected->address; | |
874 | ||
875 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
876 | ifp->name, ifp->vrf_id, prefix_family_str(p), | |
877 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
878 | ||
879 | p = connected->destination; | |
880 | if (p) { | |
881 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
882 | BUFSIZ - strlen(logbuf)); | |
883 | } | |
884 | zlog_info("%s", logbuf); | |
718e3744 | 885 | } |
886 | ||
a80beece | 887 | /* Print if_addr structure. */ |
d62a17ae | 888 | static void __attribute__((unused)) |
889 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 890 | { |
d62a17ae | 891 | struct prefix *p; |
892 | struct interface *ifp; | |
893 | char logbuf[BUFSIZ]; | |
894 | char buf[BUFSIZ]; | |
a80beece | 895 | |
d62a17ae | 896 | ifp = connected->ifp; |
897 | p = connected->address; | |
a80beece | 898 | |
d62a17ae | 899 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
900 | prefix_family_str(p), | |
901 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 902 | |
d62a17ae | 903 | zlog_info("%s", logbuf); |
a80beece DS |
904 | } |
905 | ||
718e3744 | 906 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 907 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 908 | { |
d62a17ae | 909 | if (p1->family == p2->family) { |
910 | if (p1->family == AF_INET | |
911 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
912 | return 1; | |
913 | if (p1->family == AF_INET6 | |
914 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
915 | return 1; | |
916 | } | |
917 | return 0; | |
718e3744 | 918 | } |
919 | ||
d62a17ae | 920 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
921 | struct prefix *p) | |
38485402 | 922 | { |
d62a17ae | 923 | struct listnode *node; |
924 | struct listnode *next; | |
925 | struct connected *ifc; | |
38485402 | 926 | |
d62a17ae | 927 | for (node = listhead(ifp->connected); node; node = next) { |
928 | ifc = listgetdata(node); | |
929 | next = node->next; | |
38485402 | 930 | |
d62a17ae | 931 | if (connected_same_prefix(ifc->address, p)) |
932 | return ifc; | |
933 | } | |
934 | return NULL; | |
38485402 DS |
935 | } |
936 | ||
d62a17ae | 937 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
938 | struct prefix *p) | |
718e3744 | 939 | { |
d62a17ae | 940 | struct listnode *node; |
941 | struct listnode *next; | |
942 | struct connected *ifc; | |
943 | ||
944 | /* In case of same prefix come, replace it with new one. */ | |
945 | for (node = listhead(ifp->connected); node; node = next) { | |
946 | ifc = listgetdata(node); | |
947 | next = node->next; | |
948 | ||
949 | if (connected_same_prefix(ifc->address, p)) { | |
950 | listnode_delete(ifp->connected, ifc); | |
951 | return ifc; | |
952 | } | |
718e3744 | 953 | } |
d62a17ae | 954 | return NULL; |
718e3744 | 955 | } |
956 | ||
bd40c341 | 957 | /* Find the address on our side that will be used when packets |
727d104b | 958 | are sent to dst. */ |
d62a17ae | 959 | struct connected *connected_lookup_prefix(struct interface *ifp, |
960 | struct prefix *addr) | |
727d104b | 961 | { |
d62a17ae | 962 | struct listnode *cnode; |
963 | struct connected *c; | |
964 | struct connected *match; | |
965 | ||
966 | match = NULL; | |
967 | ||
968 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
969 | if (c->address && (c->address->family == addr->family) | |
970 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
971 | && (!match | |
972 | || (c->address->prefixlen > match->address->prefixlen))) | |
973 | match = c; | |
974 | } | |
975 | return match; | |
727d104b | 976 | } |
977 | ||
d62a17ae | 978 | struct connected *connected_add_by_prefix(struct interface *ifp, |
979 | struct prefix *p, | |
980 | struct prefix *destination) | |
4a7aac1b | 981 | { |
d62a17ae | 982 | struct connected *ifc; |
4a7aac1b | 983 | |
d62a17ae | 984 | /* Allocate new connected address. */ |
985 | ifc = connected_new(); | |
986 | ifc->ifp = ifp; | |
4a7aac1b | 987 | |
d62a17ae | 988 | /* Fetch interface address */ |
989 | ifc->address = prefix_new(); | |
990 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 991 | |
d62a17ae | 992 | /* Fetch dest address */ |
993 | if (destination) { | |
994 | ifc->destination = prefix_new(); | |
995 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
996 | } | |
4a7aac1b | 997 | |
d62a17ae | 998 | /* Add connected address to the interface. */ |
999 | listnode_add(ifp->connected, ifc); | |
1000 | return ifc; | |
4a7aac1b | 1001 | } |
1002 | ||
d62a17ae | 1003 | #if 0 /* this route_table of struct connected's is unused \ |
1004 | * however, it would be good to use a route_table rather than \ | |
1005 | * a list.. \ | |
1006 | */ | |
718e3744 | 1007 | /* Interface looking up by interface's address. */ |
718e3744 | 1008 | /* Interface's IPv4 address reverse lookup table. */ |
1009 | struct route_table *ifaddr_ipv4_table; | |
1010 | /* struct route_table *ifaddr_ipv6_table; */ | |
1011 | ||
8cc4198f | 1012 | static void |
718e3744 | 1013 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
1014 | { | |
1015 | struct route_node *rn; | |
1016 | struct prefix_ipv4 p; | |
1017 | ||
1018 | p.family = AF_INET; | |
1019 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1020 | p.prefix = *ifaddr; | |
1021 | ||
1022 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
1023 | if (rn) | |
1024 | { | |
1025 | route_unlock_node (rn); | |
1026 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
1027 | inet_ntoa (*ifaddr)); | |
1028 | return; | |
1029 | } | |
1030 | rn->info = ifp; | |
1031 | } | |
1032 | ||
8cc4198f | 1033 | static void |
718e3744 | 1034 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
1035 | { | |
1036 | struct route_node *rn; | |
1037 | struct prefix_ipv4 p; | |
1038 | ||
1039 | p.family = AF_INET; | |
1040 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1041 | p.prefix = *ifaddr; | |
1042 | ||
1043 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1044 | if (! rn) | |
1045 | { | |
1046 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
1047 | inet_ntoa (*ifaddr)); | |
1048 | return; | |
1049 | } | |
1050 | rn->info = NULL; | |
1051 | route_unlock_node (rn); | |
1052 | route_unlock_node (rn); | |
1053 | } | |
1054 | ||
1055 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1056 | static struct interface * |
b892f1dd | 1057 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1058 | { |
1059 | struct prefix_ipv4 p; | |
1060 | struct route_node *rn; | |
1061 | struct interface *ifp; | |
718e3744 | 1062 | |
1063 | if (addr) | |
1064 | { | |
1065 | p.family = AF_INET; | |
1066 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1067 | p.prefix = *addr; | |
1068 | ||
1069 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1070 | if (! rn) | |
1071 | return NULL; | |
55cd0f61 | 1072 | |
718e3744 | 1073 | ifp = rn->info; |
1074 | route_unlock_node (rn); | |
1075 | return ifp; | |
1076 | } | |
1077 | else | |
7e2b7603 | 1078 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1079 | } |
8cc4198f | 1080 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1081 | |
f4e14fdb | 1082 | void if_terminate(struct vrf *vrf) |
4bd045d5 | 1083 | { |
f4e14fdb | 1084 | struct interface *ifp; |
4bd045d5 | 1085 | |
55cd0f61 DS |
1086 | while (!RB_EMPTY(if_name_head, &vrf->ifaces_by_name)) { |
1087 | ifp = RB_ROOT(if_name_head, &vrf->ifaces_by_name); | |
1088 | ||
d62a17ae | 1089 | if (ifp->node) { |
1090 | ifp->node->info = NULL; | |
1091 | route_unlock_node(ifp->node); | |
1092 | } | |
d62a17ae | 1093 | if_delete(ifp); |
1094 | } | |
4bd045d5 | 1095 | } |
8ccc7e80 | 1096 | |
d62a17ae | 1097 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1098 | { |
d62a17ae | 1099 | switch (llt) { |
8ccc7e80 | 1100 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1101 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1102 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1103 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1104 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1105 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1106 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1107 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1108 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1109 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1110 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1111 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1112 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1113 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1114 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1115 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1116 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1117 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1118 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1119 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1120 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1121 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1122 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1123 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1124 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1125 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1126 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1127 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1128 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1129 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1130 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1131 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1132 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1133 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1134 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1135 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1136 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1137 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1138 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1139 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1140 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1141 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1142 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1143 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1144 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1145 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1146 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1147 | default: | |
1148 | zlog_warn("Unknown value %d", llt); | |
1149 | return "Unknown type!"; | |
8ccc7e80 | 1150 | #undef llts |
d62a17ae | 1151 | } |
1152 | return NULL; | |
8ccc7e80 | 1153 | } |
16f1b9ee | 1154 | |
d62a17ae | 1155 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1156 | { |
d62a17ae | 1157 | int i; |
16f1b9ee | 1158 | |
d62a17ae | 1159 | if (ifp->link_params != NULL) |
1160 | return ifp->link_params; | |
16f1b9ee | 1161 | |
d62a17ae | 1162 | struct if_link_params *iflp = |
1163 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1164 | if (iflp == NULL) | |
1165 | return NULL; | |
16f1b9ee | 1166 | |
d62a17ae | 1167 | /* Set TE metric equal to standard metric */ |
1168 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1169 | |
d62a17ae | 1170 | /* Compute default bandwidth based on interface */ |
1171 | iflp->default_bw = | |
1172 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1173 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1174 | |
d62a17ae | 1175 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1176 | iflp->max_bw = iflp->default_bw; | |
1177 | iflp->max_rsv_bw = iflp->default_bw; | |
1178 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1179 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1180 | |
d62a17ae | 1181 | /* Update Link parameters status */ |
1182 | iflp->lp_status = | |
1183 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1184 | |
d62a17ae | 1185 | /* Finally attach newly created Link Parameters */ |
1186 | ifp->link_params = iflp; | |
16f1b9ee | 1187 | |
d62a17ae | 1188 | return iflp; |
16f1b9ee OD |
1189 | } |
1190 | ||
d62a17ae | 1191 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1192 | { |
d62a17ae | 1193 | if (ifp->link_params == NULL) |
1194 | return; | |
1195 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1196 | ifp->link_params = NULL; | |
16f1b9ee | 1197 | } |