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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" | |
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 | |
e80e7cce DL |
43 | DEFINE_QOBJ_TYPE(interface) |
44 | ||
ce19a04a DL |
45 | DEFINE_HOOK(if_add, (struct interface *ifp), (ifp)) |
46 | DEFINE_KOOH(if_del, (struct interface *ifp), (ifp)) | |
47 | ||
8736158a | 48 | /* List of interfaces in only the default VRF */ |
244c1cdc | 49 | int ptm_enable = 0; |
718e3744 | 50 | |
3a0391a9 | 51 | /* Compare interface names, returning an integer greater than, equal to, or |
52 | * less than 0, (following the strcmp convention), according to the | |
53 | * relationship between ifp1 and ifp2. Interface names consist of an | |
54 | * alphabetic prefix and a numeric suffix. The primary sort key is | |
55 | * lexicographic by name, and then numeric by number. No number sorts | |
56 | * before all numbers. Examples: de0 < de1, de100 < fxp0 < xl0, devpty < | |
57 | * devpty0, de0 < del0 | |
d62a17ae | 58 | */ |
59 | int if_cmp_name_func(char *p1, char *p2) | |
106d2fd5 | 60 | { |
d62a17ae | 61 | unsigned int l1, l2; |
62 | long int x1, x2; | |
63 | int res; | |
64 | ||
65 | while (*p1 && *p2) { | |
66 | /* look up to any number */ | |
67 | l1 = strcspn(p1, "0123456789"); | |
68 | l2 = strcspn(p2, "0123456789"); | |
69 | ||
70 | /* name lengths are different -> compare names */ | |
71 | if (l1 != l2) | |
72 | return (strcmp(p1, p2)); | |
73 | ||
74 | /* Note that this relies on all numbers being less than all | |
75 | * letters, so | |
76 | * that de0 < del0. | |
77 | */ | |
78 | res = strncmp(p1, p2, l1); | |
79 | ||
80 | /* names are different -> compare them */ | |
81 | if (res) | |
82 | return res; | |
83 | ||
84 | /* with identical name part, go to numeric part */ | |
85 | p1 += l1; | |
86 | p2 += l1; | |
87 | ||
88 | if (!*p1) | |
89 | return -1; | |
90 | if (!*p2) | |
91 | return 1; | |
92 | ||
93 | x1 = strtol(p1, &p1, 10); | |
94 | x2 = strtol(p2, &p2, 10); | |
95 | ||
96 | /* let's compare numbers now */ | |
97 | if (x1 < x2) | |
98 | return -1; | |
99 | if (x1 > x2) | |
100 | return 1; | |
101 | ||
102 | /* numbers were equal, lets do it again.. | |
103 | (it happens with name like "eth123.456:789") */ | |
104 | } | |
105 | if (*p1) | |
106 | return 1; | |
107 | if (*p2) | |
108 | return -1; | |
109 | return 0; | |
106d2fd5 | 110 | } |
111 | ||
d62a17ae | 112 | static int if_cmp_func(struct interface *ifp1, struct interface *ifp2) |
974fc9d2 | 113 | { |
d62a17ae | 114 | return if_cmp_name_func(ifp1->name, ifp2->name); |
974fc9d2 DS |
115 | } |
116 | ||
718e3744 | 117 | /* Create new interface structure. */ |
bcc24579 | 118 | struct interface *if_create(const char *name, vrf_id_t vrf_id) |
718e3744 | 119 | { |
d62a17ae | 120 | struct interface *ifp; |
121 | struct list *intf_list = vrf_iflist_get(vrf_id); | |
122 | ||
123 | ifp = XCALLOC(MTYPE_IF, sizeof(struct interface)); | |
124 | ifp->ifindex = IFINDEX_INTERNAL; | |
125 | ||
126 | assert(name); | |
bcc24579 | 127 | strlcpy(ifp->name, name, sizeof(ifp->name)); |
d62a17ae | 128 | ifp->vrf_id = vrf_id; |
129 | if (if_lookup_by_name(ifp->name, vrf_id) == NULL) | |
130 | listnode_add_sort(intf_list, ifp); | |
131 | else | |
132 | zlog_err( | |
133 | "if_create(%s): corruption detected -- interface with this " | |
134 | "name exists already in VRF %u!", | |
135 | ifp->name, vrf_id); | |
136 | ifp->connected = list_new(); | |
137 | ifp->connected->del = (void (*)(void *))connected_free; | |
138 | ||
139 | ifp->nbr_connected = list_new(); | |
140 | ifp->nbr_connected->del = (void (*)(void *))nbr_connected_free; | |
141 | ||
142 | /* Enable Link-detection by default */ | |
143 | SET_FLAG(ifp->status, ZEBRA_INTERFACE_LINKDETECTION); | |
144 | ||
145 | QOBJ_REG(ifp, interface); | |
ce19a04a | 146 | hook_call(if_add, ifp); |
d62a17ae | 147 | return ifp; |
718e3744 | 148 | } |
149 | ||
f93e3f69 | 150 | /* Create new interface structure. */ |
d62a17ae | 151 | void if_update_to_new_vrf(struct interface *ifp, vrf_id_t vrf_id) |
f93e3f69 | 152 | { |
d62a17ae | 153 | struct list *intf_list = vrf_iflist_get(vrf_id); |
154 | ||
155 | /* remove interface from old master vrf list */ | |
156 | if (vrf_iflist(ifp->vrf_id)) | |
157 | listnode_delete(vrf_iflist(ifp->vrf_id), ifp); | |
158 | ||
159 | ifp->vrf_id = vrf_id; | |
160 | if (if_lookup_by_name(ifp->name, vrf_id) == NULL) | |
161 | listnode_add_sort(intf_list, ifp); | |
162 | else | |
163 | zlog_err( | |
bcc24579 RW |
164 | "%s(%s): corruption detected -- interface with this " |
165 | "name exists already in VRF %u!", __func__, | |
d62a17ae | 166 | ifp->name, vrf_id); |
167 | ||
168 | return; | |
f93e3f69 DS |
169 | } |
170 | ||
171 | ||
d2fc8896 | 172 | /* Delete interface structure. */ |
d62a17ae | 173 | void if_delete_retain(struct interface *ifp) |
718e3744 | 174 | { |
ce19a04a | 175 | hook_call(if_del, ifp); |
d62a17ae | 176 | QOBJ_UNREG(ifp); |
e80e7cce | 177 | |
d62a17ae | 178 | /* Free connected address list */ |
179 | list_delete_all_node(ifp->connected); | |
a80beece | 180 | |
d62a17ae | 181 | /* Free connected nbr address list */ |
182 | list_delete_all_node(ifp->nbr_connected); | |
d2fc8896 | 183 | } |
184 | ||
185 | /* Delete and free interface structure. */ | |
d62a17ae | 186 | void if_delete(struct interface *ifp) |
d2fc8896 | 187 | { |
d62a17ae | 188 | listnode_delete(vrf_iflist(ifp->vrf_id), ifp); |
d2fc8896 | 189 | |
d62a17ae | 190 | if_delete_retain(ifp); |
718e3744 | 191 | |
acdf5e25 DS |
192 | list_delete_and_null(&ifp->connected); |
193 | list_delete_and_null(&ifp->nbr_connected); | |
2dd04c5d | 194 | |
d62a17ae | 195 | if_link_params_free(ifp); |
16f1b9ee | 196 | |
d62a17ae | 197 | XFREE(MTYPE_IF, ifp); |
718e3744 | 198 | } |
199 | ||
718e3744 | 200 | /* Interface existance check by index. */ |
d62a17ae | 201 | struct interface *if_lookup_by_index(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 202 | { |
d62a17ae | 203 | struct listnode *node; |
204 | struct interface *ifp; | |
718e3744 | 205 | |
d62a17ae | 206 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { |
207 | if (ifp->ifindex == ifindex) | |
208 | return ifp; | |
209 | } | |
210 | return NULL; | |
718e3744 | 211 | } |
212 | ||
d62a17ae | 213 | const char *ifindex2ifname(ifindex_t ifindex, vrf_id_t vrf_id) |
718e3744 | 214 | { |
d62a17ae | 215 | struct interface *ifp; |
718e3744 | 216 | |
d62a17ae | 217 | return ((ifp = if_lookup_by_index(ifindex, vrf_id)) != NULL) |
218 | ? ifp->name | |
219 | : "unknown"; | |
d2fc8896 | 220 | } |
221 | ||
d62a17ae | 222 | ifindex_t ifname2ifindex(const char *name, vrf_id_t vrf_id) |
d2fc8896 | 223 | { |
d62a17ae | 224 | struct interface *ifp; |
d2fc8896 | 225 | |
d62a17ae | 226 | return ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
227 | ? ifp->ifindex | |
228 | : IFINDEX_INTERNAL; | |
718e3744 | 229 | } |
230 | ||
231 | /* Interface existance check by interface name. */ | |
d62a17ae | 232 | struct interface *if_lookup_by_name(const char *name, vrf_id_t vrf_id) |
718e3744 | 233 | { |
d62a17ae | 234 | struct listnode *node; |
235 | struct interface *ifp; | |
236 | ||
bcc24579 RW |
237 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
238 | return NULL; | |
f8962871 | 239 | |
bcc24579 RW |
240 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { |
241 | if (strcmp(name, ifp->name) == 0) | |
d62a17ae | 242 | return ifp; |
243 | } | |
f8962871 | 244 | |
d62a17ae | 245 | return NULL; |
f8962871 DS |
246 | } |
247 | ||
bcc24579 | 248 | struct interface *if_lookup_by_name_all_vrf(const char *name) |
a349198f | 249 | { |
bcc24579 | 250 | struct vrf *vrf; |
d62a17ae | 251 | struct interface *ifp; |
a349198f | 252 | |
bcc24579 | 253 | if (!name || strnlen(name, INTERFACE_NAMSIZ) == INTERFACE_NAMSIZ) |
d62a17ae | 254 | return NULL; |
a349198f | 255 | |
bcc24579 RW |
256 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) { |
257 | ifp = if_lookup_by_name(name, vrf->vrf_id); | |
258 | if (ifp) | |
d62a17ae | 259 | return ifp; |
260 | } | |
bcc24579 | 261 | |
d62a17ae | 262 | return NULL; |
a349198f | 263 | } |
264 | ||
718e3744 | 265 | /* Lookup interface by IPv4 address. */ |
d62a17ae | 266 | struct interface *if_lookup_exact_address(void *src, int family, |
267 | vrf_id_t vrf_id) | |
718e3744 | 268 | { |
d62a17ae | 269 | struct listnode *node; |
270 | struct listnode *cnode; | |
271 | struct interface *ifp; | |
272 | struct prefix *p; | |
273 | struct connected *c; | |
274 | ||
275 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { | |
276 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
277 | p = c->address; | |
278 | ||
279 | if (p && (p->family == family)) { | |
280 | if (family == AF_INET) { | |
281 | if (IPV4_ADDR_SAME( | |
282 | &p->u.prefix4, | |
283 | (struct in_addr *)src)) | |
284 | return ifp; | |
285 | } else if (family == AF_INET6) { | |
286 | if (IPV6_ADDR_SAME( | |
287 | &p->u.prefix6, | |
288 | (struct in6_addr *)src)) | |
289 | return ifp; | |
290 | } | |
291 | } | |
0aabccc0 | 292 | } |
718e3744 | 293 | } |
d62a17ae | 294 | return NULL; |
718e3744 | 295 | } |
296 | ||
297 | /* Lookup interface by IPv4 address. */ | |
d62a17ae | 298 | struct connected *if_lookup_address(void *matchaddr, int family, |
299 | vrf_id_t vrf_id) | |
718e3744 | 300 | { |
d62a17ae | 301 | struct listnode *node; |
302 | struct prefix addr; | |
303 | int bestlen = 0; | |
304 | struct listnode *cnode; | |
305 | struct interface *ifp; | |
306 | struct connected *c; | |
307 | struct connected *match; | |
308 | ||
309 | if (family == AF_INET) { | |
310 | addr.family = AF_INET; | |
311 | addr.u.prefix4 = *((struct in_addr *)matchaddr); | |
312 | addr.prefixlen = IPV4_MAX_BITLEN; | |
313 | } else if (family == AF_INET6) { | |
314 | addr.family = AF_INET6; | |
315 | addr.u.prefix6 = *((struct in6_addr *)matchaddr); | |
316 | addr.prefixlen = IPV6_MAX_BITLEN; | |
317 | } | |
718e3744 | 318 | |
d62a17ae | 319 | match = NULL; |
718e3744 | 320 | |
d62a17ae | 321 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { |
322 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
323 | if (c->address && (c->address->family == AF_INET) | |
324 | && prefix_match(CONNECTED_PREFIX(c), &addr) | |
325 | && (c->address->prefixlen > bestlen)) { | |
326 | bestlen = c->address->prefixlen; | |
327 | match = c; | |
328 | } | |
329 | } | |
718e3744 | 330 | } |
d62a17ae | 331 | return match; |
718e3744 | 332 | } |
333 | ||
b81e97a8 | 334 | /* Lookup interface by prefix */ |
d62a17ae | 335 | struct interface *if_lookup_prefix(struct prefix *prefix, vrf_id_t vrf_id) |
b81e97a8 | 336 | { |
d62a17ae | 337 | struct listnode *node; |
338 | struct listnode *cnode; | |
339 | struct interface *ifp; | |
340 | struct connected *c; | |
341 | ||
342 | for (ALL_LIST_ELEMENTS_RO(vrf_iflist(vrf_id), node, ifp)) { | |
343 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
344 | if (prefix_cmp(c->address, prefix) == 0) { | |
345 | return ifp; | |
346 | } | |
347 | } | |
348 | } | |
349 | return NULL; | |
b81e97a8 DD |
350 | } |
351 | ||
718e3744 | 352 | /* Get interface by name if given name interface doesn't exist create |
353 | one. */ | |
bcc24579 | 354 | struct interface *if_get_by_name(const char *name, vrf_id_t vrf_id, int vty) |
718e3744 | 355 | { |
d62a17ae | 356 | struct interface *ifp; |
718e3744 | 357 | |
bcc24579 RW |
358 | ifp = if_lookup_by_name_all_vrf(name); |
359 | if (ifp) { | |
360 | if (ifp->vrf_id == vrf_id) | |
361 | return ifp; | |
a349198f | 362 | |
bcc24579 RW |
363 | /* Found a match on a different VRF. If the interface command |
364 | * was entered in vty without a VRF (passed as VRF_DEFAULT), | |
365 | * accept the ifp we found. If a vrf was entered and there is | |
366 | * a mismatch, reject it if from vty. If it came from the kernel | |
367 | * or by way of zclient, believe it and update the ifp | |
368 | * accordingly. | |
369 | */ | |
370 | if (vty) { | |
371 | if (vrf_id == VRF_DEFAULT) | |
372 | return ifp; | |
373 | return NULL; | |
374 | } else { | |
375 | if_update_to_new_vrf(ifp, vrf_id); | |
376 | return ifp; | |
85f9da7f | 377 | } |
85f9da7f | 378 | } |
bcc24579 RW |
379 | |
380 | return if_create(name, vrf_id); | |
8736158a FL |
381 | } |
382 | ||
718e3744 | 383 | /* Does interface up ? */ |
d62a17ae | 384 | int if_is_up(struct interface *ifp) |
718e3744 | 385 | { |
d62a17ae | 386 | return ifp->flags & IFF_UP; |
718e3744 | 387 | } |
388 | ||
2e3b2e47 | 389 | /* Is interface running? */ |
d62a17ae | 390 | int if_is_running(struct interface *ifp) |
2e3b2e47 | 391 | { |
d62a17ae | 392 | return ifp->flags & IFF_RUNNING; |
2e3b2e47 | 393 | } |
394 | ||
395 | /* Is the interface operative, eg. either UP & RUNNING | |
244c1cdc DS |
396 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION and |
397 | if ptm checking is enabled, then ptm check has passed */ | |
d62a17ae | 398 | int if_is_operative(struct interface *ifp) |
2e3b2e47 | 399 | { |
d62a17ae | 400 | return ((ifp->flags & IFF_UP) |
401 | && (((ifp->flags & IFF_RUNNING) | |
402 | && (ifp->ptm_status || !ifp->ptm_enable)) | |
403 | || !CHECK_FLAG(ifp->status, | |
404 | ZEBRA_INTERFACE_LINKDETECTION))); | |
244c1cdc DS |
405 | } |
406 | ||
407 | /* Is the interface operative, eg. either UP & RUNNING | |
408 | or UP & !ZEBRA_INTERFACE_LINK_DETECTION, without PTM check */ | |
d62a17ae | 409 | int if_is_no_ptm_operative(struct interface *ifp) |
244c1cdc | 410 | { |
d62a17ae | 411 | return ((ifp->flags & IFF_UP) |
412 | && ((ifp->flags & IFF_RUNNING) | |
413 | || !CHECK_FLAG(ifp->status, | |
414 | ZEBRA_INTERFACE_LINKDETECTION))); | |
2e3b2e47 | 415 | } |
416 | ||
718e3744 | 417 | /* Is this loopback interface ? */ |
d62a17ae | 418 | int if_is_loopback(struct interface *ifp) |
718e3744 | 419 | { |
d62a17ae | 420 | /* XXX: Do this better, eg what if IFF_WHATEVER means X on platform M |
421 | * but Y on platform N? | |
422 | */ | |
423 | return (ifp->flags & (IFF_LOOPBACK | IFF_NOXMIT | IFF_VIRTUAL)); | |
718e3744 | 424 | } |
425 | ||
426 | /* Does this interface support broadcast ? */ | |
d62a17ae | 427 | int if_is_broadcast(struct interface *ifp) |
718e3744 | 428 | { |
d62a17ae | 429 | return ifp->flags & IFF_BROADCAST; |
718e3744 | 430 | } |
431 | ||
432 | /* Does this interface support broadcast ? */ | |
d62a17ae | 433 | int if_is_pointopoint(struct interface *ifp) |
718e3744 | 434 | { |
d62a17ae | 435 | return ifp->flags & IFF_POINTOPOINT; |
718e3744 | 436 | } |
437 | ||
438 | /* Does this interface support multicast ? */ | |
d62a17ae | 439 | int if_is_multicast(struct interface *ifp) |
718e3744 | 440 | { |
d62a17ae | 441 | return ifp->flags & IFF_MULTICAST; |
718e3744 | 442 | } |
443 | ||
444 | /* Printout flag information into log */ | |
d62a17ae | 445 | const char *if_flag_dump(unsigned long flag) |
718e3744 | 446 | { |
d62a17ae | 447 | int separator = 0; |
448 | static char logbuf[BUFSIZ]; | |
449 | ||
450 | #define IFF_OUT_LOG(X, STR) \ | |
451 | if (flag & (X)) { \ | |
452 | if (separator) \ | |
453 | strlcat(logbuf, ",", BUFSIZ); \ | |
454 | else \ | |
455 | separator = 1; \ | |
456 | strlcat(logbuf, STR, BUFSIZ); \ | |
457 | } | |
718e3744 | 458 | |
d62a17ae | 459 | strlcpy(logbuf, "<", BUFSIZ); |
460 | IFF_OUT_LOG(IFF_UP, "UP"); | |
461 | IFF_OUT_LOG(IFF_BROADCAST, "BROADCAST"); | |
462 | IFF_OUT_LOG(IFF_DEBUG, "DEBUG"); | |
463 | IFF_OUT_LOG(IFF_LOOPBACK, "LOOPBACK"); | |
464 | IFF_OUT_LOG(IFF_POINTOPOINT, "POINTOPOINT"); | |
465 | IFF_OUT_LOG(IFF_NOTRAILERS, "NOTRAILERS"); | |
466 | IFF_OUT_LOG(IFF_RUNNING, "RUNNING"); | |
467 | IFF_OUT_LOG(IFF_NOARP, "NOARP"); | |
468 | IFF_OUT_LOG(IFF_PROMISC, "PROMISC"); | |
469 | IFF_OUT_LOG(IFF_ALLMULTI, "ALLMULTI"); | |
470 | IFF_OUT_LOG(IFF_OACTIVE, "OACTIVE"); | |
471 | IFF_OUT_LOG(IFF_SIMPLEX, "SIMPLEX"); | |
472 | IFF_OUT_LOG(IFF_LINK0, "LINK0"); | |
473 | IFF_OUT_LOG(IFF_LINK1, "LINK1"); | |
474 | IFF_OUT_LOG(IFF_LINK2, "LINK2"); | |
475 | IFF_OUT_LOG(IFF_MULTICAST, "MULTICAST"); | |
476 | IFF_OUT_LOG(IFF_NOXMIT, "NOXMIT"); | |
477 | IFF_OUT_LOG(IFF_NORTEXCH, "NORTEXCH"); | |
478 | IFF_OUT_LOG(IFF_VIRTUAL, "VIRTUAL"); | |
479 | IFF_OUT_LOG(IFF_IPV4, "IPv4"); | |
480 | IFF_OUT_LOG(IFF_IPV6, "IPv6"); | |
481 | ||
482 | strlcat(logbuf, ">", BUFSIZ); | |
483 | ||
484 | return logbuf; | |
630c97ce | 485 | #undef IFF_OUT_LOG |
718e3744 | 486 | } |
487 | ||
488 | /* For debugging */ | |
d62a17ae | 489 | static void if_dump(const struct interface *ifp) |
718e3744 | 490 | { |
d62a17ae | 491 | struct listnode *node; |
492 | struct connected *c __attribute__((unused)); | |
493 | ||
494 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, c)) | |
495 | zlog_info( | |
496 | "Interface %s vrf %u index %d metric %d mtu %d " | |
497 | "mtu6 %d %s", | |
498 | ifp->name, ifp->vrf_id, ifp->ifindex, ifp->metric, | |
499 | ifp->mtu, ifp->mtu6, if_flag_dump(ifp->flags)); | |
718e3744 | 500 | } |
501 | ||
502 | /* Interface printing for all interface. */ | |
d62a17ae | 503 | void if_dump_all(void) |
718e3744 | 504 | { |
d62a17ae | 505 | struct vrf *vrf; |
506 | struct listnode *node; | |
507 | void *p; | |
508 | ||
a2addae8 RW |
509 | RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) |
510 | if (vrf->iflist != NULL) | |
511 | for (ALL_LIST_ELEMENTS_RO(vrf->iflist, node, p)) | |
512 | if_dump(p); | |
718e3744 | 513 | } |
514 | ||
6147e2c6 | 515 | DEFUN (interface_desc, |
718e3744 | 516 | interface_desc_cmd, |
fcbee690 | 517 | "description LINE...", |
718e3744 | 518 | "Interface specific description\n" |
519 | "Characters describing this interface\n") | |
520 | { | |
d62a17ae | 521 | int idx_line = 1; |
522 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
718e3744 | 523 | |
d62a17ae | 524 | if (ifp->desc) |
525 | XFREE(MTYPE_TMP, ifp->desc); | |
526 | ifp->desc = argv_concat(argv, argc, idx_line); | |
718e3744 | 527 | |
d62a17ae | 528 | return CMD_SUCCESS; |
718e3744 | 529 | } |
530 | ||
6147e2c6 | 531 | DEFUN (no_interface_desc, |
718e3744 | 532 | no_interface_desc_cmd, |
533 | "no description", | |
534 | NO_STR | |
535 | "Interface specific description\n") | |
536 | { | |
d62a17ae | 537 | VTY_DECLVAR_CONTEXT(interface, ifp); |
718e3744 | 538 | |
d62a17ae | 539 | if (ifp->desc) |
540 | XFREE(MTYPE_TMP, ifp->desc); | |
541 | ifp->desc = NULL; | |
718e3744 | 542 | |
d62a17ae | 543 | return CMD_SUCCESS; |
718e3744 | 544 | } |
6b0655a2 | 545 | |
98954844 PJ |
546 | #ifdef SUNOS_5 |
547 | /* Need to handle upgrade from SUNWzebra to Quagga. SUNWzebra created | |
548 | * a seperate struct interface for each logical interface, so config | |
549 | * file may be full of 'interface fooX:Y'. Solaris however does not | |
550 | * expose logical interfaces via PF_ROUTE, so trying to track logical | |
551 | * interfaces can be fruitless, for that reason Quagga only tracks | |
552 | * the primary IP interface. | |
553 | * | |
554 | * We try accomodate SUNWzebra by: | |
555 | * - looking up the interface name, to see whether it exists, if so | |
556 | * its useable | |
557 | * - for protocol daemons, this could only because zebra told us of | |
558 | * the interface | |
559 | * - for zebra, only because it learnt from kernel | |
560 | * - if not: | |
561 | * - search the name to see if it contains a sub-ipif / logical interface | |
562 | * seperator, the ':' char. If it does: | |
563 | * - text up to that char must be the primary name - get that name. | |
564 | * if not: | |
565 | * - no idea, just get the name in its entirety. | |
566 | */ | |
bcc24579 | 567 | static struct interface *if_sunwzebra_get(char *name, vrf_id_t vrf_id) |
98954844 | 568 | { |
d62a17ae | 569 | struct interface *ifp; |
bcc24579 | 570 | char *cp; |
d62a17ae | 571 | |
bcc24579 | 572 | if ((ifp = if_lookup_by_name(name, vrf_id)) != NULL) |
d62a17ae | 573 | return ifp; |
574 | ||
575 | /* hunt the primary interface name... */ | |
bcc24579 RW |
576 | cp = strchr(name, ':'); |
577 | if (cp) | |
578 | *cp = '\0'; | |
d62a17ae | 579 | |
bcc24579 | 580 | return if_get_by_name(name, vrf_id, 1); |
98954844 PJ |
581 | } |
582 | #endif /* SUNOS_5 */ | |
6b0655a2 | 583 | |
718e3744 | 584 | DEFUN (interface, |
585 | interface_cmd, | |
199d90a1 | 586 | "interface IFNAME [vrf NAME]", |
718e3744 | 587 | "Select an interface to configure\n" |
fcbee690 QY |
588 | "Interface's name\n" |
589 | VRF_CMD_HELP_STR) | |
718e3744 | 590 | { |
d62a17ae | 591 | int idx_ifname = 1; |
592 | int idx_vrf = 3; | |
593 | const char *ifname = argv[idx_ifname]->arg; | |
594 | const char *vrfname = (argc > 2) ? argv[idx_vrf]->arg : NULL; | |
595 | ||
596 | struct interface *ifp; | |
d62a17ae | 597 | vrf_id_t vrf_id = VRF_DEFAULT; |
598 | ||
bcc24579 | 599 | if (strlen(ifname) > INTERFACE_NAMSIZ) { |
d62a17ae | 600 | vty_out(vty, |
601 | "%% Interface name %s is invalid: length exceeds " | |
602 | "%d characters\n", | |
603 | ifname, INTERFACE_NAMSIZ); | |
604 | return CMD_WARNING_CONFIG_FAILED; | |
605 | } | |
718e3744 | 606 | |
d62a17ae | 607 | /*Pending: need proper vrf name based lookup/(possible creation of VRF) |
608 | Imagine forward reference of a vrf by name in this interface config */ | |
609 | if (vrfname) | |
610 | VRF_GET_ID(vrf_id, vrfname); | |
cd2a8a42 | 611 | |
98954844 | 612 | #ifdef SUNOS_5 |
bcc24579 | 613 | ifp = if_sunwzebra_get(ifname, vrf_id); |
98954844 | 614 | #else |
bcc24579 | 615 | ifp = if_get_by_name(ifname, vrf_id, 1); |
98954844 | 616 | #endif /* SUNOS_5 */ |
718e3744 | 617 | |
d62a17ae | 618 | if (!ifp) { |
619 | vty_out(vty, "%% interface %s not in %s\n", ifname, vrfname); | |
620 | return CMD_WARNING_CONFIG_FAILED; | |
621 | } | |
622 | VTY_PUSH_CONTEXT(INTERFACE_NODE, ifp); | |
718e3744 | 623 | |
d62a17ae | 624 | return CMD_SUCCESS; |
718e3744 | 625 | } |
626 | ||
32d2463c | 627 | DEFUN_NOSH (no_interface, |
628 | no_interface_cmd, | |
199d90a1 | 629 | "no interface IFNAME [vrf NAME]", |
32d2463c | 630 | NO_STR |
631 | "Delete a pseudo interface's configuration\n" | |
fcbee690 QY |
632 | "Interface's name\n" |
633 | VRF_CMD_HELP_STR) | |
32d2463c | 634 | { |
d62a17ae | 635 | const char *ifname = argv[2]->arg; |
636 | const char *vrfname = (argc > 3) ? argv[3]->arg : NULL; | |
fcbee690 | 637 | |
d62a17ae | 638 | // deleting interface |
639 | struct interface *ifp; | |
640 | vrf_id_t vrf_id = VRF_DEFAULT; | |
32d2463c | 641 | |
d62a17ae | 642 | if (argc > 3) |
643 | VRF_GET_ID(vrf_id, vrfname); | |
cd2a8a42 | 644 | |
d62a17ae | 645 | ifp = if_lookup_by_name(ifname, vrf_id); |
32d2463c | 646 | |
d62a17ae | 647 | if (ifp == NULL) { |
648 | vty_out(vty, "%% Interface %s does not exist\n", ifname); | |
649 | return CMD_WARNING_CONFIG_FAILED; | |
650 | } | |
32d2463c | 651 | |
d62a17ae | 652 | if (CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_ACTIVE)) { |
653 | vty_out(vty, "%% Only inactive interfaces can be deleted\n"); | |
654 | return CMD_WARNING_CONFIG_FAILED; | |
655 | } | |
32d2463c | 656 | |
d62a17ae | 657 | if_delete(ifp); |
32d2463c | 658 | |
d62a17ae | 659 | return CMD_SUCCESS; |
32d2463c | 660 | } |
661 | ||
5d56066e RW |
662 | static void if_autocomplete(vector comps, struct cmd_token *token) |
663 | { | |
664 | struct interface *ifp; | |
665 | struct vrf *vrf = NULL; | |
666 | ||
667 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) { | |
668 | RB_FOREACH (ifp, if_name_head, &vrf->ifaces_by_name) { | |
669 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, ifp->name)); | |
670 | } | |
671 | } | |
672 | } | |
673 | ||
674 | static const struct cmd_variable_handler if_var_handlers[] = { | |
675 | {/* "interface NAME" */ | |
676 | .varname = "interface", | |
677 | .completions = if_autocomplete}, | |
678 | {.tokenname = "IFNAME", .completions = if_autocomplete}, | |
679 | {.tokenname = "INTERFACE", .completions = if_autocomplete}, | |
680 | {.completions = NULL}}; | |
681 | ||
d62a17ae | 682 | void if_cmd_init(void) |
0b84f294 | 683 | { |
5d56066e RW |
684 | cmd_variable_handler_register(if_var_handlers); |
685 | ||
d62a17ae | 686 | install_element(CONFIG_NODE, &interface_cmd); |
687 | install_element(CONFIG_NODE, &no_interface_cmd); | |
0b84f294 | 688 | |
d62a17ae | 689 | install_default(INTERFACE_NODE); |
690 | install_element(INTERFACE_NODE, &interface_desc_cmd); | |
691 | install_element(INTERFACE_NODE, &no_interface_desc_cmd); | |
0b84f294 DL |
692 | } |
693 | ||
d7d73ffc | 694 | #if 0 |
718e3744 | 695 | /* For debug purpose. */ |
696 | DEFUN (show_address, | |
697 | show_address_cmd, | |
199d90a1 | 698 | "show address [vrf NAME]", |
718e3744 | 699 | SHOW_STR |
fcbee690 QY |
700 | "address\n" |
701 | VRF_CMD_HELP_STR) | |
718e3744 | 702 | { |
abddf075 | 703 | int idx_vrf = 3; |
52dc7ee6 | 704 | struct listnode *node; |
705 | struct listnode *node2; | |
718e3744 | 706 | struct interface *ifp; |
707 | struct connected *ifc; | |
708 | struct prefix *p; | |
8736158a | 709 | vrf_id_t vrf_id = VRF_DEFAULT; |
718e3744 | 710 | |
fcbee690 | 711 | if (argc > 2) |
58749582 | 712 | VRF_GET_ID (vrf_id, argv[idx_vrf]->arg); |
8736158a FL |
713 | |
714 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), node, ifp)) | |
718e3744 | 715 | { |
1eb8ef25 | 716 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) |
718e3744 | 717 | { |
718e3744 | 718 | p = ifc->address; |
719 | ||
720 | if (p->family == AF_INET) | |
55f70b67 | 721 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
718e3744 | 722 | } |
723 | } | |
724 | return CMD_SUCCESS; | |
725 | } | |
726 | ||
8736158a FL |
727 | DEFUN (show_address_vrf_all, |
728 | show_address_vrf_all_cmd, | |
9ccf14f7 | 729 | "show address vrf all", |
8736158a FL |
730 | SHOW_STR |
731 | "address\n" | |
732 | VRF_ALL_CMD_HELP_STR) | |
733 | { | |
1a1a7065 | 734 | struct vrf *vrf; |
8736158a FL |
735 | struct listnode *node; |
736 | struct listnode *node2; | |
737 | struct interface *ifp; | |
738 | struct connected *ifc; | |
739 | struct prefix *p; | |
8736158a | 740 | |
a62c4901 | 741 | RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) |
8736158a | 742 | { |
1a1a7065 | 743 | if (!vrf->iflist || !listcount (vrf->iflist)) |
8736158a FL |
744 | continue; |
745 | ||
55f70b67 | 746 | vty_out (vty, "\nVRF %u\n\n", vrf->vrf_id); |
8736158a | 747 | |
1a1a7065 | 748 | for (ALL_LIST_ELEMENTS_RO (vrf->iflist, node, ifp)) |
8736158a FL |
749 | { |
750 | for (ALL_LIST_ELEMENTS_RO (ifp->connected, node2, ifc)) | |
751 | { | |
752 | p = ifc->address; | |
753 | ||
754 | if (p->family == AF_INET) | |
55f70b67 | 755 | vty_out (vty, "%s/%d\n", inet_ntoa (p->u.prefix4), p->prefixlen); |
8736158a FL |
756 | } |
757 | } | |
758 | } | |
759 | return CMD_SUCCESS; | |
760 | } | |
d7d73ffc | 761 | #endif |
8736158a | 762 | |
718e3744 | 763 | /* Allocate connected structure. */ |
d62a17ae | 764 | struct connected *connected_new(void) |
718e3744 | 765 | { |
d62a17ae | 766 | return XCALLOC(MTYPE_CONNECTED, sizeof(struct connected)); |
718e3744 | 767 | } |
768 | ||
a80beece | 769 | /* Allocate nbr connected structure. */ |
d62a17ae | 770 | struct nbr_connected *nbr_connected_new(void) |
a80beece | 771 | { |
d62a17ae | 772 | return XCALLOC(MTYPE_NBR_CONNECTED, sizeof(struct nbr_connected)); |
a80beece DS |
773 | } |
774 | ||
718e3744 | 775 | /* Free connected structure. */ |
d62a17ae | 776 | void connected_free(struct connected *connected) |
718e3744 | 777 | { |
d62a17ae | 778 | if (connected->address) |
779 | prefix_free(connected->address); | |
718e3744 | 780 | |
d62a17ae | 781 | if (connected->destination) |
782 | prefix_free(connected->destination); | |
718e3744 | 783 | |
d62a17ae | 784 | if (connected->label) |
785 | XFREE(MTYPE_CONNECTED_LABEL, connected->label); | |
718e3744 | 786 | |
d62a17ae | 787 | XFREE(MTYPE_CONNECTED, connected); |
718e3744 | 788 | } |
789 | ||
a80beece | 790 | /* Free nbr connected structure. */ |
d62a17ae | 791 | void nbr_connected_free(struct nbr_connected *connected) |
a80beece | 792 | { |
d62a17ae | 793 | if (connected->address) |
794 | prefix_free(connected->address); | |
a80beece | 795 | |
d62a17ae | 796 | XFREE(MTYPE_NBR_CONNECTED, connected); |
a80beece DS |
797 | } |
798 | ||
799 | /* If same interface nbr address already exists... */ | |
d62a17ae | 800 | struct nbr_connected *nbr_connected_check(struct interface *ifp, |
801 | struct prefix *p) | |
a80beece | 802 | { |
d62a17ae | 803 | struct nbr_connected *ifc; |
804 | struct listnode *node; | |
a80beece | 805 | |
d62a17ae | 806 | for (ALL_LIST_ELEMENTS_RO(ifp->nbr_connected, node, ifc)) |
807 | if (prefix_same(ifc->address, p)) | |
808 | return ifc; | |
a80beece | 809 | |
d62a17ae | 810 | return NULL; |
a80beece DS |
811 | } |
812 | ||
718e3744 | 813 | /* Print if_addr structure. */ |
d62a17ae | 814 | static void __attribute__((unused)) |
815 | connected_log(struct connected *connected, char *str) | |
718e3744 | 816 | { |
d62a17ae | 817 | struct prefix *p; |
818 | struct interface *ifp; | |
819 | char logbuf[BUFSIZ]; | |
820 | char buf[BUFSIZ]; | |
821 | ||
822 | ifp = connected->ifp; | |
823 | p = connected->address; | |
824 | ||
825 | snprintf(logbuf, BUFSIZ, "%s interface %s vrf %u %s %s/%d ", str, | |
826 | ifp->name, ifp->vrf_id, prefix_family_str(p), | |
827 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
828 | ||
829 | p = connected->destination; | |
830 | if (p) { | |
831 | strncat(logbuf, inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), | |
832 | BUFSIZ - strlen(logbuf)); | |
833 | } | |
834 | zlog_info("%s", logbuf); | |
718e3744 | 835 | } |
836 | ||
a80beece | 837 | /* Print if_addr structure. */ |
d62a17ae | 838 | static void __attribute__((unused)) |
839 | nbr_connected_log(struct nbr_connected *connected, char *str) | |
a80beece | 840 | { |
d62a17ae | 841 | struct prefix *p; |
842 | struct interface *ifp; | |
843 | char logbuf[BUFSIZ]; | |
844 | char buf[BUFSIZ]; | |
a80beece | 845 | |
d62a17ae | 846 | ifp = connected->ifp; |
847 | p = connected->address; | |
a80beece | 848 | |
d62a17ae | 849 | snprintf(logbuf, BUFSIZ, "%s interface %s %s %s/%d ", str, ifp->name, |
850 | prefix_family_str(p), | |
851 | inet_ntop(p->family, &p->u.prefix, buf, BUFSIZ), p->prefixlen); | |
a80beece | 852 | |
d62a17ae | 853 | zlog_info("%s", logbuf); |
a80beece DS |
854 | } |
855 | ||
718e3744 | 856 | /* If two connected address has same prefix return 1. */ |
d62a17ae | 857 | static int connected_same_prefix(struct prefix *p1, struct prefix *p2) |
718e3744 | 858 | { |
d62a17ae | 859 | if (p1->family == p2->family) { |
860 | if (p1->family == AF_INET | |
861 | && IPV4_ADDR_SAME(&p1->u.prefix4, &p2->u.prefix4)) | |
862 | return 1; | |
863 | if (p1->family == AF_INET6 | |
864 | && IPV6_ADDR_SAME(&p1->u.prefix6, &p2->u.prefix6)) | |
865 | return 1; | |
866 | } | |
867 | return 0; | |
718e3744 | 868 | } |
869 | ||
d62a17ae | 870 | struct connected *connected_lookup_prefix_exact(struct interface *ifp, |
871 | struct prefix *p) | |
38485402 | 872 | { |
d62a17ae | 873 | struct listnode *node; |
874 | struct listnode *next; | |
875 | struct connected *ifc; | |
38485402 | 876 | |
d62a17ae | 877 | for (node = listhead(ifp->connected); node; node = next) { |
878 | ifc = listgetdata(node); | |
879 | next = node->next; | |
38485402 | 880 | |
d62a17ae | 881 | if (connected_same_prefix(ifc->address, p)) |
882 | return ifc; | |
883 | } | |
884 | return NULL; | |
38485402 DS |
885 | } |
886 | ||
d62a17ae | 887 | struct connected *connected_delete_by_prefix(struct interface *ifp, |
888 | struct prefix *p) | |
718e3744 | 889 | { |
d62a17ae | 890 | struct listnode *node; |
891 | struct listnode *next; | |
892 | struct connected *ifc; | |
893 | ||
894 | /* In case of same prefix come, replace it with new one. */ | |
895 | for (node = listhead(ifp->connected); node; node = next) { | |
896 | ifc = listgetdata(node); | |
897 | next = node->next; | |
898 | ||
899 | if (connected_same_prefix(ifc->address, p)) { | |
900 | listnode_delete(ifp->connected, ifc); | |
901 | return ifc; | |
902 | } | |
718e3744 | 903 | } |
d62a17ae | 904 | return NULL; |
718e3744 | 905 | } |
906 | ||
bd40c341 | 907 | /* Find the address on our side that will be used when packets |
727d104b | 908 | are sent to dst. */ |
d62a17ae | 909 | struct connected *connected_lookup_prefix(struct interface *ifp, |
910 | struct prefix *addr) | |
727d104b | 911 | { |
d62a17ae | 912 | struct listnode *cnode; |
913 | struct connected *c; | |
914 | struct connected *match; | |
915 | ||
916 | match = NULL; | |
917 | ||
918 | for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) { | |
919 | if (c->address && (c->address->family == addr->family) | |
920 | && prefix_match(CONNECTED_PREFIX(c), addr) | |
921 | && (!match | |
922 | || (c->address->prefixlen > match->address->prefixlen))) | |
923 | match = c; | |
924 | } | |
925 | return match; | |
727d104b | 926 | } |
927 | ||
d62a17ae | 928 | struct connected *connected_add_by_prefix(struct interface *ifp, |
929 | struct prefix *p, | |
930 | struct prefix *destination) | |
4a7aac1b | 931 | { |
d62a17ae | 932 | struct connected *ifc; |
4a7aac1b | 933 | |
d62a17ae | 934 | /* Allocate new connected address. */ |
935 | ifc = connected_new(); | |
936 | ifc->ifp = ifp; | |
4a7aac1b | 937 | |
d62a17ae | 938 | /* Fetch interface address */ |
939 | ifc->address = prefix_new(); | |
940 | memcpy(ifc->address, p, sizeof(struct prefix)); | |
4a7aac1b | 941 | |
d62a17ae | 942 | /* Fetch dest address */ |
943 | if (destination) { | |
944 | ifc->destination = prefix_new(); | |
945 | memcpy(ifc->destination, destination, sizeof(struct prefix)); | |
946 | } | |
4a7aac1b | 947 | |
d62a17ae | 948 | /* Add connected address to the interface. */ |
949 | listnode_add(ifp->connected, ifc); | |
950 | return ifc; | |
4a7aac1b | 951 | } |
952 | ||
d62a17ae | 953 | #if 0 /* this route_table of struct connected's is unused \ |
954 | * however, it would be good to use a route_table rather than \ | |
955 | * a list.. \ | |
956 | */ | |
718e3744 | 957 | /* Interface looking up by interface's address. */ |
718e3744 | 958 | /* Interface's IPv4 address reverse lookup table. */ |
959 | struct route_table *ifaddr_ipv4_table; | |
960 | /* struct route_table *ifaddr_ipv6_table; */ | |
961 | ||
8cc4198f | 962 | static void |
718e3744 | 963 | ifaddr_ipv4_add (struct in_addr *ifaddr, struct interface *ifp) |
964 | { | |
965 | struct route_node *rn; | |
966 | struct prefix_ipv4 p; | |
967 | ||
968 | p.family = AF_INET; | |
969 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
970 | p.prefix = *ifaddr; | |
971 | ||
972 | rn = route_node_get (ifaddr_ipv4_table, (struct prefix *) &p); | |
973 | if (rn) | |
974 | { | |
975 | route_unlock_node (rn); | |
976 | zlog_info ("ifaddr_ipv4_add(): address %s is already added", | |
977 | inet_ntoa (*ifaddr)); | |
978 | return; | |
979 | } | |
980 | rn->info = ifp; | |
981 | } | |
982 | ||
8cc4198f | 983 | static void |
718e3744 | 984 | ifaddr_ipv4_delete (struct in_addr *ifaddr, struct interface *ifp) |
985 | { | |
986 | struct route_node *rn; | |
987 | struct prefix_ipv4 p; | |
988 | ||
989 | p.family = AF_INET; | |
990 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
991 | p.prefix = *ifaddr; | |
992 | ||
993 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
994 | if (! rn) | |
995 | { | |
996 | zlog_info ("ifaddr_ipv4_delete(): can't find address %s", | |
997 | inet_ntoa (*ifaddr)); | |
998 | return; | |
999 | } | |
1000 | rn->info = NULL; | |
1001 | route_unlock_node (rn); | |
1002 | route_unlock_node (rn); | |
1003 | } | |
1004 | ||
1005 | /* Lookup interface by interface's IP address or interface index. */ | |
8cc4198f | 1006 | static struct interface * |
b892f1dd | 1007 | ifaddr_ipv4_lookup (struct in_addr *addr, ifindex_t ifindex) |
718e3744 | 1008 | { |
1009 | struct prefix_ipv4 p; | |
1010 | struct route_node *rn; | |
1011 | struct interface *ifp; | |
718e3744 | 1012 | |
1013 | if (addr) | |
1014 | { | |
1015 | p.family = AF_INET; | |
1016 | p.prefixlen = IPV4_MAX_PREFIXLEN; | |
1017 | p.prefix = *addr; | |
1018 | ||
1019 | rn = route_node_lookup (ifaddr_ipv4_table, (struct prefix *) &p); | |
1020 | if (! rn) | |
1021 | return NULL; | |
1022 | ||
1023 | ifp = rn->info; | |
1024 | route_unlock_node (rn); | |
1025 | return ifp; | |
1026 | } | |
1027 | else | |
7e2b7603 | 1028 | return if_lookup_by_index(ifindex, VRF_DEFAULT); |
718e3744 | 1029 | } |
8cc4198f | 1030 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1031 | |
1032 | /* Initialize interface list. */ | |
d62a17ae | 1033 | void if_init(struct list **intf_list) |
718e3744 | 1034 | { |
d62a17ae | 1035 | *intf_list = list_new(); |
8cc4198f | 1036 | #if 0 |
718e3744 | 1037 | ifaddr_ipv4_table = route_table_init (); |
8cc4198f | 1038 | #endif /* ifaddr_ipv4_table */ |
718e3744 | 1039 | |
d62a17ae | 1040 | (*intf_list)->cmp = (int (*)(void *, void *))if_cmp_func; |
718e3744 | 1041 | } |
4bd045d5 | 1042 | |
d62a17ae | 1043 | void if_terminate(struct list **intf_list) |
4bd045d5 | 1044 | { |
d62a17ae | 1045 | for (;;) { |
1046 | struct interface *ifp; | |
4bd045d5 | 1047 | |
d62a17ae | 1048 | ifp = listnode_head(*intf_list); |
1049 | if (ifp == NULL) | |
1050 | break; | |
4bd045d5 | 1051 | |
d62a17ae | 1052 | if (ifp->node) { |
1053 | ifp->node->info = NULL; | |
1054 | route_unlock_node(ifp->node); | |
1055 | } | |
3f6d6a5d | 1056 | |
d62a17ae | 1057 | if_delete(ifp); |
1058 | } | |
4bd045d5 | 1059 | |
affe9e99 | 1060 | list_delete_and_null(intf_list); |
4bd045d5 | 1061 | } |
8ccc7e80 | 1062 | |
d62a17ae | 1063 | const char *if_link_type_str(enum zebra_link_type llt) |
8ccc7e80 | 1064 | { |
d62a17ae | 1065 | switch (llt) { |
8ccc7e80 | 1066 | #define llts(T,S) case (T): return (S) |
d62a17ae | 1067 | llts(ZEBRA_LLT_UNKNOWN, "Unknown"); |
1068 | llts(ZEBRA_LLT_ETHER, "Ethernet"); | |
1069 | llts(ZEBRA_LLT_EETHER, "Experimental Ethernet"); | |
1070 | llts(ZEBRA_LLT_AX25, "AX.25 Level 2"); | |
1071 | llts(ZEBRA_LLT_PRONET, "PROnet token ring"); | |
1072 | llts(ZEBRA_LLT_IEEE802, "IEEE 802.2 Ethernet/TR/TB"); | |
1073 | llts(ZEBRA_LLT_ARCNET, "ARCnet"); | |
1074 | llts(ZEBRA_LLT_APPLETLK, "AppleTalk"); | |
1075 | llts(ZEBRA_LLT_DLCI, "Frame Relay DLCI"); | |
1076 | llts(ZEBRA_LLT_ATM, "ATM"); | |
1077 | llts(ZEBRA_LLT_METRICOM, "Metricom STRIP"); | |
1078 | llts(ZEBRA_LLT_IEEE1394, "IEEE 1394 IPv4"); | |
1079 | llts(ZEBRA_LLT_EUI64, "EUI-64"); | |
1080 | llts(ZEBRA_LLT_INFINIBAND, "InfiniBand"); | |
1081 | llts(ZEBRA_LLT_SLIP, "SLIP"); | |
1082 | llts(ZEBRA_LLT_CSLIP, "Compressed SLIP"); | |
1083 | llts(ZEBRA_LLT_SLIP6, "SLIPv6"); | |
1084 | llts(ZEBRA_LLT_CSLIP6, "Compressed SLIPv6"); | |
1085 | llts(ZEBRA_LLT_ROSE, "ROSE packet radio"); | |
1086 | llts(ZEBRA_LLT_X25, "CCITT X.25"); | |
1087 | llts(ZEBRA_LLT_PPP, "PPP"); | |
1088 | llts(ZEBRA_LLT_CHDLC, "Cisco HDLC"); | |
1089 | llts(ZEBRA_LLT_RAWHDLC, "Raw HDLC"); | |
1090 | llts(ZEBRA_LLT_LAPB, "LAPB"); | |
1091 | llts(ZEBRA_LLT_IPIP, "IPIP Tunnel"); | |
1092 | llts(ZEBRA_LLT_IPIP6, "IPIP6 Tunnel"); | |
1093 | llts(ZEBRA_LLT_FRAD, "FRAD"); | |
1094 | llts(ZEBRA_LLT_SKIP, "SKIP vif"); | |
1095 | llts(ZEBRA_LLT_LOOPBACK, "Loopback"); | |
1096 | llts(ZEBRA_LLT_LOCALTLK, "Localtalk"); | |
1097 | llts(ZEBRA_LLT_FDDI, "FDDI"); | |
1098 | llts(ZEBRA_LLT_SIT, "IPv6-in-IPv4 SIT"); | |
1099 | llts(ZEBRA_LLT_IPDDP, "IP-in-DDP tunnel"); | |
1100 | llts(ZEBRA_LLT_IPGRE, "GRE over IP"); | |
1101 | llts(ZEBRA_LLT_PIMREG, "PIMSM registration"); | |
1102 | llts(ZEBRA_LLT_HIPPI, "HiPPI"); | |
1103 | llts(ZEBRA_LLT_IRDA, "IrDA"); | |
1104 | llts(ZEBRA_LLT_FCPP, "Fibre-Channel PtP"); | |
1105 | llts(ZEBRA_LLT_FCAL, "Fibre-Channel Arbitrated Loop"); | |
1106 | llts(ZEBRA_LLT_FCPL, "Fibre-Channel Public Loop"); | |
1107 | llts(ZEBRA_LLT_FCFABRIC, "Fibre-Channel Fabric"); | |
1108 | llts(ZEBRA_LLT_IEEE802_TR, "IEEE 802.2 Token Ring"); | |
1109 | llts(ZEBRA_LLT_IEEE80211, "IEEE 802.11"); | |
1110 | llts(ZEBRA_LLT_IEEE80211_RADIOTAP, "IEEE 802.11 Radiotap"); | |
1111 | llts(ZEBRA_LLT_IEEE802154, "IEEE 802.15.4"); | |
1112 | llts(ZEBRA_LLT_IEEE802154_PHY, "IEEE 802.15.4 Phy"); | |
1113 | default: | |
1114 | zlog_warn("Unknown value %d", llt); | |
1115 | return "Unknown type!"; | |
8ccc7e80 | 1116 | #undef llts |
d62a17ae | 1117 | } |
1118 | return NULL; | |
8ccc7e80 | 1119 | } |
16f1b9ee | 1120 | |
d62a17ae | 1121 | struct if_link_params *if_link_params_get(struct interface *ifp) |
16f1b9ee | 1122 | { |
d62a17ae | 1123 | int i; |
16f1b9ee | 1124 | |
d62a17ae | 1125 | if (ifp->link_params != NULL) |
1126 | return ifp->link_params; | |
16f1b9ee | 1127 | |
d62a17ae | 1128 | struct if_link_params *iflp = |
1129 | XCALLOC(MTYPE_IF_LINK_PARAMS, sizeof(struct if_link_params)); | |
1130 | if (iflp == NULL) | |
1131 | return NULL; | |
16f1b9ee | 1132 | |
d62a17ae | 1133 | /* Set TE metric equal to standard metric */ |
1134 | iflp->te_metric = ifp->metric; | |
16f1b9ee | 1135 | |
d62a17ae | 1136 | /* Compute default bandwidth based on interface */ |
1137 | iflp->default_bw = | |
1138 | ((ifp->bandwidth ? ifp->bandwidth : DEFAULT_BANDWIDTH) | |
1139 | * TE_KILO_BIT / TE_BYTE); | |
16f1b9ee | 1140 | |
d62a17ae | 1141 | /* Set Max, Reservable and Unreserved Bandwidth */ |
1142 | iflp->max_bw = iflp->default_bw; | |
1143 | iflp->max_rsv_bw = iflp->default_bw; | |
1144 | for (i = 0; i < MAX_CLASS_TYPE; i++) | |
1145 | iflp->unrsv_bw[i] = iflp->default_bw; | |
16f1b9ee | 1146 | |
d62a17ae | 1147 | /* Update Link parameters status */ |
1148 | iflp->lp_status = | |
1149 | LP_TE_METRIC | LP_MAX_BW | LP_MAX_RSV_BW | LP_UNRSV_BW; | |
16f1b9ee | 1150 | |
d62a17ae | 1151 | /* Finally attach newly created Link Parameters */ |
1152 | ifp->link_params = iflp; | |
16f1b9ee | 1153 | |
d62a17ae | 1154 | return iflp; |
16f1b9ee OD |
1155 | } |
1156 | ||
d62a17ae | 1157 | void if_link_params_free(struct interface *ifp) |
16f1b9ee | 1158 | { |
d62a17ae | 1159 | if (ifp->link_params == NULL) |
1160 | return; | |
1161 | XFREE(MTYPE_IF_LINK_PARAMS, ifp->link_params); | |
1162 | ifp->link_params = NULL; | |
16f1b9ee | 1163 | } |