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718e3744 | 1 | /* Prefix list functions. |
2 | * Copyright (C) 1999 Kunihiro Ishiguro | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published | |
8 | * by the Free Software Foundation; either version 2, or (at your | |
9 | * option) any later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "prefix.h" | |
24 | #include "command.h" | |
25 | #include "memory.h" | |
26 | #include "plist.h" | |
27 | #include "sockunion.h" | |
28 | #include "buffer.h" | |
fbf5d033 | 29 | #include "log.h" |
518f0eb1 | 30 | #include "routemap.h" |
6f1ccc12 | 31 | #include "lib/json.h" |
b85120bc | 32 | #include "libfrr.h" |
718e3744 | 33 | |
a38401b6 | 34 | #include "plist_int.h" |
718e3744 | 35 | |
d62a17ae | 36 | DEFINE_MTYPE_STATIC(LIB, PREFIX_LIST, "Prefix List") |
37 | DEFINE_MTYPE_STATIC(LIB, MPREFIX_LIST_STR, "Prefix List Str") | |
4a1ab8e4 | 38 | DEFINE_MTYPE_STATIC(LIB, PREFIX_LIST_ENTRY, "Prefix List Entry") |
d62a17ae | 39 | DEFINE_MTYPE_STATIC(LIB, PREFIX_LIST_TRIE, "Prefix List Trie Table") |
4a1ab8e4 | 40 | |
7e111b6b DL |
41 | /* not currently changeable, code assumes bytes further down */ |
42 | #define PLC_BITS 8 | |
43 | #define PLC_LEN (1 << PLC_BITS) | |
44 | #define PLC_MAXLEVELV4 2 /* /24 for IPv4 */ | |
45 | #define PLC_MAXLEVELV6 4 /* /48 for IPv6 */ | |
46 | #define PLC_MAXLEVEL 4 /* max(v4,v6) */ | |
47 | ||
48 | struct pltrie_entry { | |
49 | union { | |
50 | struct pltrie_table *next_table; | |
51 | struct prefix_list_entry *final_chain; | |
52 | }; | |
53 | ||
54 | struct prefix_list_entry *up_chain; | |
55 | }; | |
56 | ||
57 | struct pltrie_table { | |
58 | struct pltrie_entry entries[PLC_LEN]; | |
59 | }; | |
60 | ||
718e3744 | 61 | /* List of struct prefix_list. */ |
d62a17ae | 62 | struct prefix_list_list { |
63 | struct prefix_list *head; | |
64 | struct prefix_list *tail; | |
718e3744 | 65 | }; |
66 | ||
67 | /* Master structure of prefix_list. */ | |
d62a17ae | 68 | struct prefix_master { |
69 | /* List of prefix_list which name is number. */ | |
70 | struct prefix_list_list num; | |
718e3744 | 71 | |
d62a17ae | 72 | /* List of prefix_list which name is string. */ |
73 | struct prefix_list_list str; | |
718e3744 | 74 | |
d62a17ae | 75 | /* Whether sequential number is used. */ |
e11d84ad | 76 | bool seqnum; |
718e3744 | 77 | |
d62a17ae | 78 | /* The latest update. */ |
79 | struct prefix_list *recent; | |
718e3744 | 80 | |
d62a17ae | 81 | /* Hook function which is executed when new prefix_list is added. */ |
82 | void (*add_hook)(struct prefix_list *); | |
718e3744 | 83 | |
d62a17ae | 84 | /* Hook function which is executed when prefix_list is deleted. */ |
85 | void (*delete_hook)(struct prefix_list *); | |
7e111b6b | 86 | |
d62a17ae | 87 | /* number of bytes that have a trie level */ |
88 | size_t trie_depth; | |
718e3744 | 89 | }; |
90 | ||
91 | /* Static structure of IPv4 prefix_list's master. */ | |
d62a17ae | 92 | static struct prefix_master prefix_master_ipv4 = { |
93 | {NULL, NULL}, {NULL, NULL}, 1, NULL, NULL, NULL, PLC_MAXLEVELV4, | |
718e3744 | 94 | }; |
95 | ||
718e3744 | 96 | /* Static structure of IPv6 prefix-list's master. */ |
d62a17ae | 97 | static struct prefix_master prefix_master_ipv6 = { |
98 | {NULL, NULL}, {NULL, NULL}, 1, NULL, NULL, NULL, PLC_MAXLEVELV6, | |
718e3744 | 99 | }; |
718e3744 | 100 | |
101 | /* Static structure of BGP ORF prefix_list's master. */ | |
d62a17ae | 102 | static struct prefix_master prefix_master_orf_v4 = { |
103 | {NULL, NULL}, {NULL, NULL}, 1, NULL, NULL, NULL, PLC_MAXLEVELV4, | |
c7da3d50 DL |
104 | }; |
105 | ||
106 | /* Static structure of BGP ORF prefix_list's master. */ | |
d62a17ae | 107 | static struct prefix_master prefix_master_orf_v6 = { |
108 | {NULL, NULL}, {NULL, NULL}, 1, NULL, NULL, NULL, PLC_MAXLEVELV6, | |
718e3744 | 109 | }; |
6b0655a2 | 110 | |
d62a17ae | 111 | static struct prefix_master *prefix_master_get(afi_t afi, int orf) |
718e3744 | 112 | { |
d62a17ae | 113 | if (afi == AFI_IP) |
114 | return orf ? &prefix_master_orf_v4 : &prefix_master_ipv4; | |
115 | if (afi == AFI_IP6) | |
116 | return orf ? &prefix_master_orf_v6 : &prefix_master_ipv6; | |
117 | return NULL; | |
718e3744 | 118 | } |
119 | ||
d62a17ae | 120 | const char *prefix_list_name(struct prefix_list *plist) |
a38401b6 | 121 | { |
d62a17ae | 122 | return plist->name; |
a38401b6 DL |
123 | } |
124 | ||
427f8e61 DL |
125 | afi_t prefix_list_afi(struct prefix_list *plist) |
126 | { | |
127 | if (plist->master == &prefix_master_ipv4 | |
128 | || plist->master == &prefix_master_orf_v4) | |
129 | return AFI_IP; | |
130 | return AFI_IP6; | |
131 | } | |
132 | ||
718e3744 | 133 | /* Lookup prefix_list from list of prefix_list by name. */ |
d62a17ae | 134 | static struct prefix_list *prefix_list_lookup_do(afi_t afi, int orf, |
135 | const char *name) | |
718e3744 | 136 | { |
d62a17ae | 137 | struct prefix_list *plist; |
138 | struct prefix_master *master; | |
718e3744 | 139 | |
d62a17ae | 140 | if (name == NULL) |
141 | return NULL; | |
718e3744 | 142 | |
d62a17ae | 143 | master = prefix_master_get(afi, orf); |
144 | if (master == NULL) | |
145 | return NULL; | |
718e3744 | 146 | |
d62a17ae | 147 | for (plist = master->num.head; plist; plist = plist->next) |
148 | if (strcmp(plist->name, name) == 0) | |
149 | return plist; | |
718e3744 | 150 | |
d62a17ae | 151 | for (plist = master->str.head; plist; plist = plist->next) |
152 | if (strcmp(plist->name, name) == 0) | |
153 | return plist; | |
718e3744 | 154 | |
d62a17ae | 155 | return NULL; |
718e3744 | 156 | } |
157 | ||
d62a17ae | 158 | struct prefix_list *prefix_list_lookup(afi_t afi, const char *name) |
c7da3d50 | 159 | { |
d62a17ae | 160 | return prefix_list_lookup_do(afi, 0, name); |
c7da3d50 DL |
161 | } |
162 | ||
d62a17ae | 163 | struct prefix_list *prefix_bgp_orf_lookup(afi_t afi, const char *name) |
c7da3d50 | 164 | { |
d62a17ae | 165 | return prefix_list_lookup_do(afi, 1, name); |
c7da3d50 DL |
166 | } |
167 | ||
d62a17ae | 168 | static struct prefix_list *prefix_list_new(void) |
718e3744 | 169 | { |
d62a17ae | 170 | struct prefix_list *new; |
718e3744 | 171 | |
d62a17ae | 172 | new = XCALLOC(MTYPE_PREFIX_LIST, sizeof(struct prefix_list)); |
173 | return new; | |
718e3744 | 174 | } |
175 | ||
d62a17ae | 176 | static void prefix_list_free(struct prefix_list *plist) |
718e3744 | 177 | { |
d62a17ae | 178 | XFREE(MTYPE_PREFIX_LIST, plist); |
718e3744 | 179 | } |
180 | ||
d62a17ae | 181 | static struct prefix_list_entry *prefix_list_entry_new(void) |
718e3744 | 182 | { |
d62a17ae | 183 | struct prefix_list_entry *new; |
718e3744 | 184 | |
d62a17ae | 185 | new = XCALLOC(MTYPE_PREFIX_LIST_ENTRY, |
186 | sizeof(struct prefix_list_entry)); | |
187 | return new; | |
718e3744 | 188 | } |
189 | ||
d62a17ae | 190 | static void prefix_list_entry_free(struct prefix_list_entry *pentry) |
718e3744 | 191 | { |
d62a17ae | 192 | XFREE(MTYPE_PREFIX_LIST_ENTRY, pentry); |
718e3744 | 193 | } |
194 | ||
195 | /* Insert new prefix list to list of prefix_list. Each prefix_list | |
196 | is sorted by the name. */ | |
d62a17ae | 197 | static struct prefix_list *prefix_list_insert(afi_t afi, int orf, |
198 | const char *name) | |
199 | { | |
200 | unsigned int i; | |
201 | long number; | |
202 | struct prefix_list *plist; | |
203 | struct prefix_list *point; | |
204 | struct prefix_list_list *list; | |
205 | struct prefix_master *master; | |
206 | ||
207 | master = prefix_master_get(afi, orf); | |
208 | if (master == NULL) | |
209 | return NULL; | |
210 | ||
211 | /* Allocate new prefix_list and copy given name. */ | |
212 | plist = prefix_list_new(); | |
213 | plist->name = XSTRDUP(MTYPE_MPREFIX_LIST_STR, name); | |
214 | plist->master = master; | |
215 | plist->trie = | |
216 | XCALLOC(MTYPE_PREFIX_LIST_TRIE, sizeof(struct pltrie_table)); | |
217 | ||
218 | /* If name is made by all digit character. We treat it as | |
219 | number. */ | |
220 | for (number = 0, i = 0; i < strlen(name); i++) { | |
221 | if (isdigit((int)name[i])) | |
222 | number = (number * 10) + (name[i] - '0'); | |
223 | else | |
224 | break; | |
225 | } | |
98645ada | 226 | |
d62a17ae | 227 | /* In case of name is all digit character */ |
228 | if (i == strlen(name)) { | |
229 | plist->type = PREFIX_TYPE_NUMBER; | |
230 | ||
231 | /* Set prefix_list to number list. */ | |
232 | list = &master->num; | |
233 | ||
234 | for (point = list->head; point; point = point->next) | |
235 | if (atol(point->name) >= number) | |
236 | break; | |
237 | } else { | |
238 | plist->type = PREFIX_TYPE_STRING; | |
239 | ||
240 | /* Set prefix_list to string list. */ | |
241 | list = &master->str; | |
242 | ||
243 | /* Set point to insertion point. */ | |
244 | for (point = list->head; point; point = point->next) | |
245 | if (strcmp(point->name, name) >= 0) | |
246 | break; | |
247 | } | |
248 | ||
249 | /* In case of this is the first element of master. */ | |
250 | if (list->head == NULL) { | |
251 | list->head = list->tail = plist; | |
252 | return plist; | |
253 | } | |
254 | ||
255 | /* In case of insertion is made at the tail of access_list. */ | |
256 | if (point == NULL) { | |
257 | plist->prev = list->tail; | |
258 | list->tail->next = plist; | |
259 | list->tail = plist; | |
260 | return plist; | |
261 | } | |
262 | ||
263 | /* In case of insertion is made at the head of access_list. */ | |
264 | if (point == list->head) { | |
265 | plist->next = list->head; | |
266 | list->head->prev = plist; | |
267 | list->head = plist; | |
268 | return plist; | |
269 | } | |
270 | ||
271 | /* Insertion is made at middle of the access_list. */ | |
272 | plist->next = point; | |
273 | plist->prev = point->prev; | |
274 | ||
275 | if (point->prev) | |
276 | point->prev->next = plist; | |
277 | point->prev = plist; | |
278 | ||
279 | return plist; | |
280 | } | |
281 | ||
282 | static struct prefix_list *prefix_list_get(afi_t afi, int orf, const char *name) | |
718e3744 | 283 | { |
d62a17ae | 284 | struct prefix_list *plist; |
285 | ||
286 | plist = prefix_list_lookup_do(afi, orf, name); | |
718e3744 | 287 | |
d62a17ae | 288 | if (plist == NULL) |
289 | plist = prefix_list_insert(afi, orf, name); | |
290 | return plist; | |
291 | } | |
718e3744 | 292 | |
d62a17ae | 293 | static void prefix_list_trie_del(struct prefix_list *plist, |
294 | struct prefix_list_entry *pentry); | |
295 | ||
296 | /* Delete prefix-list from prefix_list_master and free it. */ | |
297 | static void prefix_list_delete(struct prefix_list *plist) | |
298 | { | |
299 | struct prefix_list_list *list; | |
300 | struct prefix_master *master; | |
301 | struct prefix_list_entry *pentry; | |
302 | struct prefix_list_entry *next; | |
303 | ||
304 | /* If prefix-list contain prefix_list_entry free all of it. */ | |
305 | for (pentry = plist->head; pentry; pentry = next) { | |
306 | next = pentry->next; | |
307 | prefix_list_trie_del(plist, pentry); | |
308 | prefix_list_entry_free(pentry); | |
309 | plist->count--; | |
310 | } | |
718e3744 | 311 | |
d62a17ae | 312 | master = plist->master; |
718e3744 | 313 | |
d62a17ae | 314 | if (plist->type == PREFIX_TYPE_NUMBER) |
315 | list = &master->num; | |
316 | else | |
317 | list = &master->str; | |
718e3744 | 318 | |
d62a17ae | 319 | if (plist->next) |
320 | plist->next->prev = plist->prev; | |
321 | else | |
322 | list->tail = plist->prev; | |
718e3744 | 323 | |
d62a17ae | 324 | if (plist->prev) |
325 | plist->prev->next = plist->next; | |
326 | else | |
327 | list->head = plist->next; | |
718e3744 | 328 | |
d62a17ae | 329 | if (plist->desc) |
330 | XFREE(MTYPE_TMP, plist->desc); | |
718e3744 | 331 | |
d62a17ae | 332 | /* Make sure master's recent changed prefix-list information is |
333 | cleared. */ | |
334 | master->recent = NULL; | |
518f0eb1 | 335 | |
d62a17ae | 336 | route_map_notify_dependencies(plist->name, RMAP_EVENT_PLIST_DELETED); |
518f0eb1 | 337 | |
d62a17ae | 338 | if (master->delete_hook) |
339 | (*master->delete_hook)(plist); | |
518f0eb1 | 340 | |
d62a17ae | 341 | if (plist->name) |
342 | XFREE(MTYPE_MPREFIX_LIST_STR, plist->name); | |
7e111b6b | 343 | |
d62a17ae | 344 | XFREE(MTYPE_PREFIX_LIST_TRIE, plist->trie); |
518f0eb1 | 345 | |
d62a17ae | 346 | prefix_list_free(plist); |
718e3744 | 347 | } |
348 | ||
02ff83c5 | 349 | static struct prefix_list_entry * |
d62a17ae | 350 | prefix_list_entry_make(struct prefix *prefix, enum prefix_list_type type, |
24512fbd | 351 | int64_t seq, int le, int ge, int any) |
718e3744 | 352 | { |
d62a17ae | 353 | struct prefix_list_entry *pentry; |
718e3744 | 354 | |
d62a17ae | 355 | pentry = prefix_list_entry_new(); |
718e3744 | 356 | |
d62a17ae | 357 | if (any) |
358 | pentry->any = 1; | |
718e3744 | 359 | |
d62a17ae | 360 | prefix_copy(&pentry->prefix, prefix); |
361 | pentry->type = type; | |
362 | pentry->seq = seq; | |
363 | pentry->le = le; | |
364 | pentry->ge = ge; | |
718e3744 | 365 | |
d62a17ae | 366 | return pentry; |
718e3744 | 367 | } |
368 | ||
369 | /* Add hook function. */ | |
d62a17ae | 370 | void prefix_list_add_hook(void (*func)(struct prefix_list *plist)) |
718e3744 | 371 | { |
d62a17ae | 372 | prefix_master_ipv4.add_hook = func; |
373 | prefix_master_ipv6.add_hook = func; | |
718e3744 | 374 | } |
375 | ||
376 | /* Delete hook function. */ | |
d62a17ae | 377 | void prefix_list_delete_hook(void (*func)(struct prefix_list *plist)) |
718e3744 | 378 | { |
d62a17ae | 379 | prefix_master_ipv4.delete_hook = func; |
380 | prefix_master_ipv6.delete_hook = func; | |
718e3744 | 381 | } |
382 | ||
383 | /* Calculate new sequential number. */ | |
24512fbd | 384 | static int64_t prefix_new_seq_get(struct prefix_list *plist) |
718e3744 | 385 | { |
24512fbd DS |
386 | int64_t maxseq; |
387 | int64_t newseq; | |
d62a17ae | 388 | struct prefix_list_entry *pentry; |
718e3744 | 389 | |
d62a17ae | 390 | maxseq = newseq = 0; |
718e3744 | 391 | |
d62a17ae | 392 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
393 | if (maxseq < pentry->seq) | |
394 | maxseq = pentry->seq; | |
395 | } | |
718e3744 | 396 | |
d62a17ae | 397 | newseq = ((maxseq / 5) * 5) + 5; |
398 | ||
399 | return newseq; | |
718e3744 | 400 | } |
401 | ||
402 | /* Return prefix list entry which has same seq number. */ | |
d62a17ae | 403 | static struct prefix_list_entry *prefix_seq_check(struct prefix_list *plist, |
24512fbd | 404 | int64_t seq) |
718e3744 | 405 | { |
d62a17ae | 406 | struct prefix_list_entry *pentry; |
718e3744 | 407 | |
d62a17ae | 408 | for (pentry = plist->head; pentry; pentry = pentry->next) |
409 | if (pentry->seq == seq) | |
410 | return pentry; | |
411 | return NULL; | |
718e3744 | 412 | } |
413 | ||
02ff83c5 | 414 | static struct prefix_list_entry * |
d62a17ae | 415 | prefix_list_entry_lookup(struct prefix_list *plist, struct prefix *prefix, |
24512fbd DS |
416 | enum prefix_list_type type, int64_t seq, |
417 | int le, int ge) | |
718e3744 | 418 | { |
d62a17ae | 419 | struct prefix_list_entry *pentry; |
718e3744 | 420 | |
d62a17ae | 421 | for (pentry = plist->head; pentry; pentry = pentry->next) |
422 | if (prefix_same(&pentry->prefix, prefix) | |
423 | && pentry->type == type) { | |
424 | if (seq >= 0 && pentry->seq != seq) | |
425 | continue; | |
718e3744 | 426 | |
d62a17ae | 427 | if (pentry->le != le) |
428 | continue; | |
429 | if (pentry->ge != ge) | |
430 | continue; | |
718e3744 | 431 | |
d62a17ae | 432 | return pentry; |
433 | } | |
718e3744 | 434 | |
d62a17ae | 435 | return NULL; |
718e3744 | 436 | } |
437 | ||
d62a17ae | 438 | static void trie_walk_affected(size_t validbits, struct pltrie_table *table, |
439 | uint8_t byte, struct prefix_list_entry *object, | |
440 | void (*fn)(struct prefix_list_entry *object, | |
441 | struct prefix_list_entry **updptr)) | |
7e111b6b | 442 | { |
d62a17ae | 443 | uint8_t mask; |
444 | uint16_t bwalk; | |
7e111b6b | 445 | |
d62a17ae | 446 | if (validbits > PLC_BITS) { |
447 | fn(object, &table->entries[byte].final_chain); | |
448 | return; | |
449 | } | |
7e111b6b | 450 | |
d62a17ae | 451 | mask = (1 << (8 - validbits)) - 1; |
452 | for (bwalk = byte & ~mask; bwalk <= byte + mask; bwalk++) { | |
453 | fn(object, &table->entries[bwalk].up_chain); | |
454 | } | |
7e111b6b DL |
455 | } |
456 | ||
d62a17ae | 457 | static void trie_uninstall_fn(struct prefix_list_entry *object, |
458 | struct prefix_list_entry **updptr) | |
7e111b6b | 459 | { |
d62a17ae | 460 | for (; *updptr; updptr = &(*updptr)->next_best) |
461 | if (*updptr == object) { | |
462 | *updptr = object->next_best; | |
463 | break; | |
464 | } | |
7e111b6b DL |
465 | } |
466 | ||
d62a17ae | 467 | static int trie_table_empty(struct pltrie_table *table) |
7e111b6b | 468 | { |
d62a17ae | 469 | size_t i; |
470 | for (i = 0; i < PLC_LEN; i++) | |
471 | if (table->entries[i].next_table || table->entries[i].up_chain) | |
472 | return 0; | |
473 | return 1; | |
474 | } | |
475 | ||
476 | static void prefix_list_trie_del(struct prefix_list *plist, | |
477 | struct prefix_list_entry *pentry) | |
478 | { | |
479 | size_t depth, maxdepth = plist->master->trie_depth; | |
9eaec2ae | 480 | uint8_t *bytes = pentry->prefix.u.val; |
d62a17ae | 481 | size_t validbits = pentry->prefix.prefixlen; |
482 | struct pltrie_table *table, **tables[PLC_MAXLEVEL]; | |
483 | ||
484 | table = plist->trie; | |
485 | for (depth = 0; validbits > PLC_BITS && depth < maxdepth - 1; depth++) { | |
486 | uint8_t byte = bytes[depth]; | |
487 | assert(table->entries[byte].next_table); | |
488 | ||
489 | tables[depth + 1] = &table->entries[byte].next_table; | |
490 | table = table->entries[byte].next_table; | |
491 | ||
492 | validbits -= PLC_BITS; | |
493 | } | |
494 | ||
495 | trie_walk_affected(validbits, table, bytes[depth], pentry, | |
496 | trie_uninstall_fn); | |
497 | ||
498 | for (; depth > 0; depth--) | |
499 | if (trie_table_empty(*tables[depth])) { | |
500 | XFREE(MTYPE_PREFIX_LIST_TRIE, *tables[depth]); | |
501 | *tables[depth] = NULL; | |
502 | } | |
7e111b6b DL |
503 | } |
504 | ||
d62a17ae | 505 | |
506 | static void prefix_list_entry_delete(struct prefix_list *plist, | |
507 | struct prefix_list_entry *pentry, | |
508 | int update_list) | |
7e111b6b | 509 | { |
d62a17ae | 510 | if (plist == NULL || pentry == NULL) |
511 | return; | |
512 | ||
513 | prefix_list_trie_del(plist, pentry); | |
7e111b6b | 514 | |
d62a17ae | 515 | if (pentry->prev) |
516 | pentry->prev->next = pentry->next; | |
517 | else | |
518 | plist->head = pentry->next; | |
519 | if (pentry->next) | |
520 | pentry->next->prev = pentry->prev; | |
521 | else | |
522 | plist->tail = pentry->prev; | |
7e111b6b | 523 | |
d62a17ae | 524 | prefix_list_entry_free(pentry); |
7e111b6b | 525 | |
d62a17ae | 526 | plist->count--; |
7e111b6b | 527 | |
d62a17ae | 528 | if (update_list) { |
529 | route_map_notify_dependencies(plist->name, | |
530 | RMAP_EVENT_PLIST_DELETED); | |
531 | if (plist->master->delete_hook) | |
532 | (*plist->master->delete_hook)(plist); | |
7e111b6b | 533 | |
d62a17ae | 534 | if (plist->head == NULL && plist->tail == NULL |
535 | && plist->desc == NULL) | |
536 | prefix_list_delete(plist); | |
537 | else | |
538 | plist->master->recent = plist; | |
539 | } | |
7e111b6b DL |
540 | } |
541 | ||
d62a17ae | 542 | static void trie_install_fn(struct prefix_list_entry *object, |
543 | struct prefix_list_entry **updptr) | |
544 | { | |
545 | while (*updptr) { | |
546 | if (*updptr == object) | |
547 | return; | |
548 | if ((*updptr)->prefix.prefixlen < object->prefix.prefixlen) | |
549 | break; | |
b4e55fc5 DL |
550 | if ((*updptr)->prefix.prefixlen == object->prefix.prefixlen |
551 | && (*updptr)->seq > object->seq) | |
d62a17ae | 552 | break; |
553 | updptr = &(*updptr)->next_best; | |
554 | } | |
555 | ||
556 | if (!object->next_best) | |
557 | object->next_best = *updptr; | |
558 | else | |
559 | assert(object->next_best == *updptr || !*updptr); | |
560 | ||
561 | *updptr = object; | |
562 | } | |
7e111b6b | 563 | |
d62a17ae | 564 | static void prefix_list_trie_add(struct prefix_list *plist, |
565 | struct prefix_list_entry *pentry) | |
718e3744 | 566 | { |
d62a17ae | 567 | size_t depth = plist->master->trie_depth; |
9eaec2ae | 568 | uint8_t *bytes = pentry->prefix.u.val; |
d62a17ae | 569 | size_t validbits = pentry->prefix.prefixlen; |
570 | struct pltrie_table *table; | |
571 | ||
572 | table = plist->trie; | |
573 | while (validbits > PLC_BITS && depth > 1) { | |
574 | if (!table->entries[*bytes].next_table) | |
575 | table->entries[*bytes].next_table = | |
576 | XCALLOC(MTYPE_PREFIX_LIST_TRIE, | |
577 | sizeof(struct pltrie_table)); | |
578 | table = table->entries[*bytes].next_table; | |
579 | bytes++; | |
580 | depth--; | |
581 | validbits -= PLC_BITS; | |
582 | } | |
a31ff449 | 583 | |
d62a17ae | 584 | trie_walk_affected(validbits, table, *bytes, pentry, trie_install_fn); |
585 | } | |
a31ff449 | 586 | |
d62a17ae | 587 | static void prefix_list_entry_add(struct prefix_list *plist, |
588 | struct prefix_list_entry *pentry) | |
589 | { | |
590 | struct prefix_list_entry *replace; | |
591 | struct prefix_list_entry *point; | |
718e3744 | 592 | |
d62a17ae | 593 | /* Automatic asignment of seq no. */ |
594 | if (pentry->seq == -1) | |
595 | pentry->seq = prefix_new_seq_get(plist); | |
718e3744 | 596 | |
d62a17ae | 597 | if (plist->tail && pentry->seq > plist->tail->seq) |
598 | point = NULL; | |
599 | else { | |
600 | /* Is there any same seq prefix list entry? */ | |
601 | replace = prefix_seq_check(plist, pentry->seq); | |
602 | if (replace) | |
603 | prefix_list_entry_delete(plist, replace, 0); | |
718e3744 | 604 | |
d62a17ae | 605 | /* Check insert point. */ |
606 | for (point = plist->head; point; point = point->next) | |
607 | if (point->seq >= pentry->seq) | |
608 | break; | |
609 | } | |
610 | ||
611 | /* In case of this is the first element of the list. */ | |
612 | pentry->next = point; | |
613 | ||
614 | if (point) { | |
615 | if (point->prev) | |
616 | point->prev->next = pentry; | |
617 | else | |
618 | plist->head = pentry; | |
619 | ||
620 | pentry->prev = point->prev; | |
621 | point->prev = pentry; | |
622 | } else { | |
623 | if (plist->tail) | |
624 | plist->tail->next = pentry; | |
625 | else | |
626 | plist->head = pentry; | |
627 | ||
628 | pentry->prev = plist->tail; | |
629 | plist->tail = pentry; | |
630 | } | |
718e3744 | 631 | |
d62a17ae | 632 | prefix_list_trie_add(plist, pentry); |
633 | ||
634 | /* Increment count. */ | |
635 | plist->count++; | |
636 | ||
637 | /* Run hook function. */ | |
638 | if (plist->master->add_hook) | |
639 | (*plist->master->add_hook)(plist); | |
640 | ||
641 | route_map_notify_dependencies(plist->name, RMAP_EVENT_PLIST_ADDED); | |
718e3744 | 642 | plist->master->recent = plist; |
718e3744 | 643 | } |
644 | ||
645 | /* Return string of prefix_list_type. */ | |
d62a17ae | 646 | static const char *prefix_list_type_str(struct prefix_list_entry *pentry) |
647 | { | |
648 | switch (pentry->type) { | |
649 | case PREFIX_PERMIT: | |
650 | return "permit"; | |
651 | case PREFIX_DENY: | |
652 | return "deny"; | |
653 | default: | |
654 | return ""; | |
655 | } | |
656 | } | |
657 | ||
658 | static int prefix_list_entry_match(struct prefix_list_entry *pentry, | |
659 | struct prefix *p) | |
660 | { | |
661 | int ret; | |
662 | ||
4f374985 DS |
663 | if (pentry->prefix.family != p->family) |
664 | return 0; | |
665 | ||
d62a17ae | 666 | ret = prefix_match(&pentry->prefix, p); |
667 | if (!ret) | |
668 | return 0; | |
669 | ||
670 | /* In case of le nor ge is specified, exact match is performed. */ | |
671 | if (!pentry->le && !pentry->ge) { | |
672 | if (pentry->prefix.prefixlen != p->prefixlen) | |
673 | return 0; | |
674 | } else { | |
675 | if (pentry->le) | |
676 | if (p->prefixlen > pentry->le) | |
677 | return 0; | |
678 | ||
679 | if (pentry->ge) | |
680 | if (p->prefixlen < pentry->ge) | |
681 | return 0; | |
682 | } | |
683 | return 1; | |
684 | } | |
685 | ||
ce94edc7 DS |
686 | enum prefix_list_type prefix_list_apply_which_prefix(struct prefix_list *plist, |
687 | struct prefix **which, | |
688 | void *object) | |
d62a17ae | 689 | { |
690 | struct prefix_list_entry *pentry, *pbest = NULL; | |
691 | ||
692 | struct prefix *p = (struct prefix *)object; | |
9eaec2ae | 693 | uint8_t *byte = p->u.val; |
d62a17ae | 694 | size_t depth; |
695 | size_t validbits = p->prefixlen; | |
696 | struct pltrie_table *table; | |
697 | ||
ce94edc7 DS |
698 | if (plist == NULL) { |
699 | if (which) | |
700 | *which = NULL; | |
d62a17ae | 701 | return PREFIX_DENY; |
ce94edc7 | 702 | } |
d62a17ae | 703 | |
ce94edc7 DS |
704 | if (plist->count == 0) { |
705 | if (which) | |
706 | *which = NULL; | |
d62a17ae | 707 | return PREFIX_PERMIT; |
ce94edc7 | 708 | } |
d62a17ae | 709 | |
710 | depth = plist->master->trie_depth; | |
711 | table = plist->trie; | |
712 | while (1) { | |
713 | for (pentry = table->entries[*byte].up_chain; pentry; | |
714 | pentry = pentry->next_best) { | |
715 | if (pbest && pbest->seq < pentry->seq) | |
716 | continue; | |
717 | if (prefix_list_entry_match(pentry, p)) | |
718 | pbest = pentry; | |
719 | } | |
720 | ||
721 | if (validbits <= PLC_BITS) | |
722 | break; | |
723 | validbits -= PLC_BITS; | |
724 | ||
725 | if (--depth) { | |
726 | if (!table->entries[*byte].next_table) | |
727 | break; | |
728 | ||
729 | table = table->entries[*byte].next_table; | |
730 | byte++; | |
731 | continue; | |
732 | } | |
733 | ||
734 | for (pentry = table->entries[*byte].final_chain; pentry; | |
735 | pentry = pentry->next_best) { | |
736 | if (pbest && pbest->seq < pentry->seq) | |
737 | continue; | |
738 | if (prefix_list_entry_match(pentry, p)) | |
739 | pbest = pentry; | |
740 | } | |
741 | break; | |
742 | } | |
743 | ||
ce94edc7 DS |
744 | if (which) { |
745 | if (pbest) | |
746 | *which = &pbest->prefix; | |
747 | else | |
748 | *which = NULL; | |
749 | } | |
750 | ||
d62a17ae | 751 | if (pbest == NULL) |
752 | return PREFIX_DENY; | |
753 | ||
754 | return pbest->type; | |
755 | } | |
756 | ||
757 | static void __attribute__((unused)) prefix_list_print(struct prefix_list *plist) | |
758 | { | |
759 | struct prefix_list_entry *pentry; | |
760 | ||
761 | if (plist == NULL) | |
762 | return; | |
763 | ||
764 | printf("ip prefix-list %s: %d entries\n", plist->name, plist->count); | |
765 | ||
766 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
767 | if (pentry->any) | |
768 | printf("any %s\n", prefix_list_type_str(pentry)); | |
769 | else { | |
770 | struct prefix *p; | |
771 | char buf[BUFSIZ]; | |
772 | ||
773 | p = &pentry->prefix; | |
774 | ||
24512fbd | 775 | printf(" seq %" PRId64 " %s %s/%d", pentry->seq, |
d62a17ae | 776 | prefix_list_type_str(pentry), |
9eaec2ae | 777 | inet_ntop(p->family, p->u.val, buf, BUFSIZ), |
d62a17ae | 778 | p->prefixlen); |
779 | if (pentry->ge) | |
780 | printf(" ge %d", pentry->ge); | |
781 | if (pentry->le) | |
782 | printf(" le %d", pentry->le); | |
783 | printf("\n"); | |
784 | } | |
718e3744 | 785 | } |
718e3744 | 786 | } |
6b0655a2 | 787 | |
718e3744 | 788 | /* Retrun 1 when plist already include pentry policy. */ |
02ff83c5 | 789 | static struct prefix_list_entry * |
d62a17ae | 790 | prefix_entry_dup_check(struct prefix_list *plist, struct prefix_list_entry *new) |
791 | { | |
792 | size_t depth, maxdepth = plist->master->trie_depth; | |
9eaec2ae | 793 | uint8_t byte, *bytes = new->prefix.u.val; |
d62a17ae | 794 | size_t validbits = new->prefix.prefixlen; |
795 | struct pltrie_table *table; | |
796 | struct prefix_list_entry *pentry; | |
24512fbd | 797 | int64_t seq = 0; |
d62a17ae | 798 | |
799 | if (new->seq == -1) | |
800 | seq = prefix_new_seq_get(plist); | |
801 | else | |
802 | seq = new->seq; | |
803 | ||
804 | table = plist->trie; | |
805 | for (depth = 0; validbits > PLC_BITS && depth < maxdepth - 1; depth++) { | |
806 | byte = bytes[depth]; | |
807 | if (!table->entries[byte].next_table) | |
808 | return NULL; | |
809 | ||
810 | table = table->entries[byte].next_table; | |
811 | validbits -= PLC_BITS; | |
718e3744 | 812 | } |
718e3744 | 813 | |
d62a17ae | 814 | byte = bytes[depth]; |
815 | if (validbits > PLC_BITS) | |
816 | pentry = table->entries[byte].final_chain; | |
817 | else | |
818 | pentry = table->entries[byte].up_chain; | |
819 | ||
820 | for (; pentry; pentry = pentry->next_best) { | |
821 | if (prefix_same(&pentry->prefix, &new->prefix) | |
822 | && pentry->type == new->type && pentry->le == new->le | |
823 | && pentry->ge == new->ge && pentry->seq != seq) | |
824 | return pentry; | |
825 | } | |
826 | return NULL; | |
827 | } | |
828 | ||
829 | static int vty_invalid_prefix_range(struct vty *vty, const char *prefix) | |
830 | { | |
831 | vty_out(vty, | |
832 | "%% Invalid prefix range for %s, make sure: len < ge-value <= le-value\n", | |
833 | prefix); | |
834 | return CMD_WARNING_CONFIG_FAILED; | |
835 | } | |
836 | ||
837 | static int vty_prefix_list_install(struct vty *vty, afi_t afi, const char *name, | |
838 | const char *seq, const char *typestr, | |
839 | const char *prefix, const char *ge, | |
840 | const char *le) | |
841 | { | |
842 | int ret; | |
843 | enum prefix_list_type type; | |
844 | struct prefix_list *plist; | |
845 | struct prefix_list_entry *pentry; | |
846 | struct prefix_list_entry *dup; | |
847 | struct prefix p, p_tmp; | |
848 | int any = 0; | |
24512fbd | 849 | int64_t seqnum = -1; |
d62a17ae | 850 | int lenum = 0; |
851 | int genum = 0; | |
852 | ||
e59294e2 | 853 | if (name == NULL || prefix == NULL || typestr == NULL) { |
854 | vty_out(vty, "%% Missing prefix or type\n"); | |
855 | return CMD_WARNING_CONFIG_FAILED; | |
856 | } | |
857 | ||
d62a17ae | 858 | /* Sequential number. */ |
859 | if (seq) | |
24512fbd | 860 | seqnum = (int64_t)atol(seq); |
d62a17ae | 861 | |
862 | /* ge and le number */ | |
863 | if (ge) | |
864 | genum = atoi(ge); | |
865 | if (le) | |
866 | lenum = atoi(le); | |
867 | ||
868 | /* Check filter type. */ | |
869 | if (strncmp("permit", typestr, 1) == 0) | |
870 | type = PREFIX_PERMIT; | |
871 | else if (strncmp("deny", typestr, 1) == 0) | |
872 | type = PREFIX_DENY; | |
873 | else { | |
874 | vty_out(vty, "%% prefix type must be permit or deny\n"); | |
875 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 876 | } |
ddb13fd3 | 877 | |
d62a17ae | 878 | /* "any" is special token for matching any IPv4 addresses. */ |
879 | switch (afi) { | |
880 | case AFI_IP: | |
881 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
882 | ret = str2prefix_ipv4("0.0.0.0/0", | |
883 | (struct prefix_ipv4 *)&p); | |
884 | genum = 0; | |
885 | lenum = IPV4_MAX_BITLEN; | |
886 | any = 1; | |
887 | } else | |
888 | ret = str2prefix_ipv4(prefix, (struct prefix_ipv4 *)&p); | |
889 | ||
890 | if (ret <= 0) { | |
891 | vty_out(vty, "%% Malformed IPv4 prefix\n"); | |
892 | return CMD_WARNING_CONFIG_FAILED; | |
893 | } | |
894 | ||
895 | /* make a copy to verify prefix matches mask length */ | |
896 | prefix_copy(&p_tmp, &p); | |
897 | apply_mask_ipv4((struct prefix_ipv4 *)&p_tmp); | |
898 | ||
899 | break; | |
900 | case AFI_IP6: | |
901 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
902 | ret = str2prefix_ipv6("::/0", (struct prefix_ipv6 *)&p); | |
903 | genum = 0; | |
904 | lenum = IPV6_MAX_BITLEN; | |
905 | any = 1; | |
906 | } else | |
907 | ret = str2prefix_ipv6(prefix, (struct prefix_ipv6 *)&p); | |
908 | ||
909 | if (ret <= 0) { | |
910 | vty_out(vty, "%% Malformed IPv6 prefix\n"); | |
911 | return CMD_WARNING_CONFIG_FAILED; | |
912 | } | |
913 | ||
914 | /* make a copy to verify prefix matches mask length */ | |
915 | prefix_copy(&p_tmp, &p); | |
916 | apply_mask_ipv6((struct prefix_ipv6 *)&p_tmp); | |
917 | ||
918 | break; | |
919 | case AFI_L2VPN: | |
920 | default: | |
921 | vty_out(vty, "%% Unrecognized AFI (%d)\n", afi); | |
922 | return CMD_WARNING_CONFIG_FAILED; | |
923 | break; | |
718e3744 | 924 | } |
718e3744 | 925 | |
d62a17ae | 926 | /* If prefix has bits not under the mask, adjust it to fit */ |
927 | if (!prefix_same(&p_tmp, &p)) { | |
928 | char buf[PREFIX2STR_BUFFER]; | |
929 | char buf_tmp[PREFIX2STR_BUFFER]; | |
930 | prefix2str(&p, buf, sizeof(buf)); | |
931 | prefix2str(&p_tmp, buf_tmp, sizeof(buf_tmp)); | |
932 | zlog_warn( | |
933 | "Prefix-list %s prefix changed from %s to %s to match length", | |
934 | name, buf, buf_tmp); | |
935 | p = p_tmp; | |
718e3744 | 936 | } |
ddb13fd3 | 937 | |
d62a17ae | 938 | /* ge and le check. */ |
939 | if (genum && (genum <= p.prefixlen)) | |
940 | return vty_invalid_prefix_range(vty, prefix); | |
941 | ||
4015e918 | 942 | if (lenum && (lenum < p.prefixlen)) |
d62a17ae | 943 | return vty_invalid_prefix_range(vty, prefix); |
944 | ||
945 | if (lenum && (genum > lenum)) | |
946 | return vty_invalid_prefix_range(vty, prefix); | |
947 | ||
948 | if (genum && (lenum == (afi == AFI_IP ? 32 : 128))) | |
949 | lenum = 0; | |
950 | ||
951 | /* Get prefix_list with name. */ | |
952 | plist = prefix_list_get(afi, 0, name); | |
953 | ||
954 | /* Make prefix entry. */ | |
955 | pentry = prefix_list_entry_make(&p, type, seqnum, lenum, genum, any); | |
956 | ||
957 | /* Check same policy. */ | |
958 | dup = prefix_entry_dup_check(plist, pentry); | |
959 | ||
960 | if (dup) { | |
961 | prefix_list_entry_free(pentry); | |
962 | return CMD_SUCCESS; | |
718e3744 | 963 | } |
718e3744 | 964 | |
d62a17ae | 965 | /* Install new filter to the access_list. */ |
966 | prefix_list_entry_add(plist, pentry); | |
967 | ||
968 | return CMD_SUCCESS; | |
969 | } | |
970 | ||
971 | static int vty_prefix_list_uninstall(struct vty *vty, afi_t afi, | |
972 | const char *name, const char *seq, | |
973 | const char *typestr, const char *prefix, | |
974 | const char *ge, const char *le) | |
975 | { | |
976 | int ret; | |
977 | enum prefix_list_type type; | |
978 | struct prefix_list *plist; | |
979 | struct prefix_list_entry *pentry; | |
980 | struct prefix p; | |
24512fbd | 981 | int64_t seqnum = -1; |
d62a17ae | 982 | int lenum = 0; |
983 | int genum = 0; | |
984 | ||
985 | /* Check prefix list name. */ | |
986 | plist = prefix_list_lookup(afi, name); | |
987 | if (!plist) { | |
988 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
989 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 990 | } |
d62a17ae | 991 | |
992 | /* Only prefix-list name specified, delete the entire prefix-list. */ | |
993 | if (seq == NULL && typestr == NULL && prefix == NULL && ge == NULL | |
994 | && le == NULL) { | |
995 | prefix_list_delete(plist); | |
996 | return CMD_SUCCESS; | |
718e3744 | 997 | } |
718e3744 | 998 | |
d62a17ae | 999 | /* We must have, at a minimum, both the type and prefix here */ |
1000 | if ((typestr == NULL) || (prefix == NULL)) { | |
1001 | vty_out(vty, "%% Both prefix and type required\n"); | |
1002 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1003 | } |
718e3744 | 1004 | |
d62a17ae | 1005 | /* Check sequence number. */ |
1006 | if (seq) | |
24512fbd | 1007 | seqnum = (int64_t)atol(seq); |
d62a17ae | 1008 | |
1009 | /* ge and le number */ | |
1010 | if (ge) | |
1011 | genum = atoi(ge); | |
1012 | if (le) | |
1013 | lenum = atoi(le); | |
1014 | ||
1015 | /* Check of filter type. */ | |
1016 | if (strncmp("permit", typestr, 1) == 0) | |
1017 | type = PREFIX_PERMIT; | |
1018 | else if (strncmp("deny", typestr, 1) == 0) | |
1019 | type = PREFIX_DENY; | |
1020 | else { | |
1021 | vty_out(vty, "%% prefix type must be permit or deny\n"); | |
1022 | return CMD_WARNING_CONFIG_FAILED; | |
1023 | } | |
718e3744 | 1024 | |
d62a17ae | 1025 | /* "any" is special token for matching any IPv4 addresses. */ |
1026 | if (afi == AFI_IP) { | |
1027 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
1028 | ret = str2prefix_ipv4("0.0.0.0/0", | |
1029 | (struct prefix_ipv4 *)&p); | |
1030 | genum = 0; | |
1031 | lenum = IPV4_MAX_BITLEN; | |
1032 | } else | |
1033 | ret = str2prefix_ipv4(prefix, (struct prefix_ipv4 *)&p); | |
1034 | ||
1035 | if (ret <= 0) { | |
1036 | vty_out(vty, "%% Malformed IPv4 prefix\n"); | |
1037 | return CMD_WARNING_CONFIG_FAILED; | |
1038 | } | |
1039 | } else if (afi == AFI_IP6) { | |
1040 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
1041 | ret = str2prefix_ipv6("::/0", (struct prefix_ipv6 *)&p); | |
1042 | genum = 0; | |
1043 | lenum = IPV6_MAX_BITLEN; | |
1044 | } else | |
1045 | ret = str2prefix_ipv6(prefix, (struct prefix_ipv6 *)&p); | |
1046 | ||
1047 | if (ret <= 0) { | |
1048 | vty_out(vty, "%% Malformed IPv6 prefix\n"); | |
1049 | return CMD_WARNING_CONFIG_FAILED; | |
1050 | } | |
1051 | } | |
718e3744 | 1052 | |
d62a17ae | 1053 | /* Lookup prefix entry. */ |
1054 | pentry = | |
1055 | prefix_list_entry_lookup(plist, &p, type, seqnum, lenum, genum); | |
718e3744 | 1056 | |
d62a17ae | 1057 | if (pentry == NULL) { |
1058 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1059 | return CMD_WARNING_CONFIG_FAILED; | |
1060 | } | |
1061 | ||
1062 | /* Install new filter to the access_list. */ | |
1063 | prefix_list_entry_delete(plist, pentry, 1); | |
1064 | ||
1065 | return CMD_SUCCESS; | |
718e3744 | 1066 | } |
1067 | ||
d62a17ae | 1068 | static int vty_prefix_list_desc_unset(struct vty *vty, afi_t afi, |
1069 | const char *name) | |
718e3744 | 1070 | { |
d62a17ae | 1071 | struct prefix_list *plist; |
718e3744 | 1072 | |
d62a17ae | 1073 | plist = prefix_list_lookup(afi, name); |
1074 | if (!plist) { | |
1075 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1076 | return CMD_WARNING_CONFIG_FAILED; | |
1077 | } | |
718e3744 | 1078 | |
d62a17ae | 1079 | if (plist->desc) { |
1080 | XFREE(MTYPE_TMP, plist->desc); | |
1081 | plist->desc = NULL; | |
1082 | } | |
718e3744 | 1083 | |
d62a17ae | 1084 | if (plist->head == NULL && plist->tail == NULL && plist->desc == NULL) |
1085 | prefix_list_delete(plist); | |
718e3744 | 1086 | |
d62a17ae | 1087 | return CMD_SUCCESS; |
718e3744 | 1088 | } |
1089 | ||
d62a17ae | 1090 | enum display_type { |
1091 | normal_display, | |
1092 | summary_display, | |
1093 | detail_display, | |
1094 | sequential_display, | |
1095 | longer_display, | |
1096 | first_match_display | |
718e3744 | 1097 | }; |
1098 | ||
d62a17ae | 1099 | static void vty_show_prefix_entry(struct vty *vty, afi_t afi, |
1100 | struct prefix_list *plist, | |
1101 | struct prefix_master *master, | |
1102 | enum display_type dtype, int seqnum) | |
1103 | { | |
1104 | struct prefix_list_entry *pentry; | |
1105 | ||
1106 | /* Print the name of the protocol */ | |
1107 | vty_out(vty, "%s: ", frr_protoname); | |
1108 | ||
1109 | if (dtype == normal_display) { | |
1110 | vty_out(vty, "ip%s prefix-list %s: %d entries\n", | |
1111 | afi == AFI_IP ? "" : "v6", plist->name, plist->count); | |
1112 | if (plist->desc) | |
1113 | vty_out(vty, " Description: %s\n", plist->desc); | |
1114 | } else if (dtype == summary_display || dtype == detail_display) { | |
1115 | vty_out(vty, "ip%s prefix-list %s:\n", | |
1116 | afi == AFI_IP ? "" : "v6", plist->name); | |
1117 | ||
1118 | if (plist->desc) | |
1119 | vty_out(vty, " Description: %s\n", plist->desc); | |
1120 | ||
1121 | vty_out(vty, | |
24512fbd | 1122 | " count: %d, range entries: %d, sequences: %" PRId64 " - %" PRId64 "\n", |
d62a17ae | 1123 | plist->count, plist->rangecount, |
1124 | plist->head ? plist->head->seq : 0, | |
1125 | plist->tail ? plist->tail->seq : 0); | |
718e3744 | 1126 | } |
718e3744 | 1127 | |
d62a17ae | 1128 | if (dtype != summary_display) { |
1129 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1130 | if (dtype == sequential_display | |
1131 | && pentry->seq != seqnum) | |
1132 | continue; | |
718e3744 | 1133 | |
d62a17ae | 1134 | vty_out(vty, " "); |
718e3744 | 1135 | |
d62a17ae | 1136 | if (master->seqnum) |
24512fbd | 1137 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
718e3744 | 1138 | |
d62a17ae | 1139 | vty_out(vty, "%s ", prefix_list_type_str(pentry)); |
718e3744 | 1140 | |
d62a17ae | 1141 | if (pentry->any) |
1142 | vty_out(vty, "any"); | |
1143 | else { | |
1144 | struct prefix *p = &pentry->prefix; | |
1145 | char buf[BUFSIZ]; | |
1146 | ||
1147 | vty_out(vty, "%s/%d", | |
9eaec2ae | 1148 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1149 | BUFSIZ), |
1150 | p->prefixlen); | |
1151 | ||
1152 | if (pentry->ge) | |
1153 | vty_out(vty, " ge %d", pentry->ge); | |
1154 | if (pentry->le) | |
1155 | vty_out(vty, " le %d", pentry->le); | |
1156 | } | |
1157 | ||
1158 | if (dtype == detail_display | |
1159 | || dtype == sequential_display) | |
1160 | vty_out(vty, " (hit count: %ld, refcount: %ld)", | |
1161 | pentry->hitcnt, pentry->refcnt); | |
1162 | ||
1163 | vty_out(vty, "\n"); | |
1164 | } | |
718e3744 | 1165 | } |
718e3744 | 1166 | } |
1167 | ||
d62a17ae | 1168 | static int vty_show_prefix_list(struct vty *vty, afi_t afi, const char *name, |
1169 | const char *seq, enum display_type dtype) | |
1170 | { | |
1171 | struct prefix_list *plist; | |
1172 | struct prefix_master *master; | |
24512fbd | 1173 | int64_t seqnum = 0; |
d62a17ae | 1174 | |
1175 | master = prefix_master_get(afi, 0); | |
1176 | if (master == NULL) | |
1177 | return CMD_WARNING; | |
1178 | ||
1179 | if (seq) | |
24512fbd | 1180 | seqnum = (int64_t)atol(seq); |
d62a17ae | 1181 | |
1182 | if (name) { | |
1183 | plist = prefix_list_lookup(afi, name); | |
1184 | if (!plist) { | |
1185 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1186 | return CMD_WARNING; | |
1187 | } | |
1188 | vty_show_prefix_entry(vty, afi, plist, master, dtype, seqnum); | |
1189 | } else { | |
1190 | if (dtype == detail_display || dtype == summary_display) { | |
1191 | if (master->recent) | |
1192 | vty_out(vty, | |
1193 | "Prefix-list with the last deletion/insertion: %s\n", | |
1194 | master->recent->name); | |
1195 | } | |
1196 | ||
1197 | for (plist = master->num.head; plist; plist = plist->next) | |
1198 | vty_show_prefix_entry(vty, afi, plist, master, dtype, | |
1199 | seqnum); | |
1200 | ||
1201 | for (plist = master->str.head; plist; plist = plist->next) | |
1202 | vty_show_prefix_entry(vty, afi, plist, master, dtype, | |
1203 | seqnum); | |
1204 | } | |
718e3744 | 1205 | |
d62a17ae | 1206 | return CMD_SUCCESS; |
1207 | } | |
718e3744 | 1208 | |
d62a17ae | 1209 | static int vty_show_prefix_list_prefix(struct vty *vty, afi_t afi, |
1210 | const char *name, const char *prefix, | |
1211 | enum display_type type) | |
1212 | { | |
1213 | struct prefix_list *plist; | |
1214 | struct prefix_list_entry *pentry; | |
1215 | struct prefix p; | |
1216 | int ret; | |
1217 | int match; | |
718e3744 | 1218 | |
d62a17ae | 1219 | plist = prefix_list_lookup(afi, name); |
1220 | if (!plist) { | |
1221 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1222 | return CMD_WARNING; | |
718e3744 | 1223 | } |
1224 | ||
d62a17ae | 1225 | ret = str2prefix(prefix, &p); |
1226 | if (ret <= 0) { | |
1227 | vty_out(vty, "%% prefix is malformed\n"); | |
1228 | return CMD_WARNING; | |
718e3744 | 1229 | } |
1230 | ||
d62a17ae | 1231 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
1232 | match = 0; | |
1233 | ||
1234 | if (type == normal_display || type == first_match_display) | |
1235 | if (prefix_same(&p, &pentry->prefix)) | |
1236 | match = 1; | |
1237 | ||
4f374985 | 1238 | if (type == longer_display) { |
996c9314 LB |
1239 | if ((p.family == pentry->prefix.family) |
1240 | && (prefix_match(&p, &pentry->prefix))) | |
d62a17ae | 1241 | match = 1; |
4f374985 | 1242 | } |
d62a17ae | 1243 | |
1244 | if (match) { | |
24512fbd | 1245 | vty_out(vty, " seq %" PRId64 " %s ", pentry->seq, |
d62a17ae | 1246 | prefix_list_type_str(pentry)); |
1247 | ||
1248 | if (pentry->any) | |
1249 | vty_out(vty, "any"); | |
1250 | else { | |
1251 | struct prefix *p = &pentry->prefix; | |
1252 | char buf[BUFSIZ]; | |
1253 | ||
1254 | vty_out(vty, "%s/%d", | |
9eaec2ae | 1255 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1256 | BUFSIZ), |
1257 | p->prefixlen); | |
1258 | ||
1259 | if (pentry->ge) | |
1260 | vty_out(vty, " ge %d", pentry->ge); | |
1261 | if (pentry->le) | |
1262 | vty_out(vty, " le %d", pentry->le); | |
1263 | } | |
1264 | ||
1265 | if (type == normal_display | |
1266 | || type == first_match_display) | |
1267 | vty_out(vty, " (hit count: %ld, refcount: %ld)", | |
1268 | pentry->hitcnt, pentry->refcnt); | |
1269 | ||
1270 | vty_out(vty, "\n"); | |
1271 | ||
1272 | if (type == first_match_display) | |
1273 | return CMD_SUCCESS; | |
1274 | } | |
718e3744 | 1275 | } |
d62a17ae | 1276 | return CMD_SUCCESS; |
1277 | } | |
1278 | ||
1279 | static int vty_clear_prefix_list(struct vty *vty, afi_t afi, const char *name, | |
1280 | const char *prefix) | |
1281 | { | |
1282 | struct prefix_master *master; | |
1283 | struct prefix_list *plist; | |
1284 | struct prefix_list_entry *pentry; | |
1285 | int ret; | |
1286 | struct prefix p; | |
1287 | ||
1288 | master = prefix_master_get(afi, 0); | |
1289 | if (master == NULL) | |
1290 | return CMD_WARNING; | |
1291 | ||
1292 | if (name == NULL && prefix == NULL) { | |
1293 | for (plist = master->num.head; plist; plist = plist->next) | |
1294 | for (pentry = plist->head; pentry; | |
1295 | pentry = pentry->next) | |
1296 | pentry->hitcnt = 0; | |
1297 | ||
1298 | for (plist = master->str.head; plist; plist = plist->next) | |
1299 | for (pentry = plist->head; pentry; | |
1300 | pentry = pentry->next) | |
1301 | pentry->hitcnt = 0; | |
1302 | } else { | |
1303 | plist = prefix_list_lookup(afi, name); | |
1304 | if (!plist) { | |
1305 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1306 | return CMD_WARNING; | |
1307 | } | |
1308 | ||
1309 | if (prefix) { | |
1310 | ret = str2prefix(prefix, &p); | |
1311 | if (ret <= 0) { | |
1312 | vty_out(vty, "%% prefix is malformed\n"); | |
1313 | return CMD_WARNING; | |
1314 | } | |
1315 | } | |
1316 | ||
1317 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1318 | if (prefix) { | |
996c9314 LB |
1319 | if (pentry->prefix.family == p.family |
1320 | && prefix_match(&pentry->prefix, &p)) | |
d62a17ae | 1321 | pentry->hitcnt = 0; |
1322 | } else | |
1323 | pentry->hitcnt = 0; | |
1324 | } | |
1325 | } | |
1326 | return CMD_SUCCESS; | |
718e3744 | 1327 | } |
6b0655a2 | 1328 | |
6cdff321 | 1329 | #ifndef VTYSH_EXTRACT_PL |
2e4c2296 | 1330 | #include "lib/plist_clippy.c" |
6cdff321 DL |
1331 | #endif |
1332 | ||
1333 | DEFPY (ip_prefix_list, | |
1334 | ip_prefix_list_cmd, | |
1335 | "ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>", | |
1336 | IP_STR | |
718e3744 | 1337 | PREFIX_LIST_STR |
1338 | "Name of a prefix list\n" | |
1339 | "sequence number of an entry\n" | |
1340 | "Sequence number\n" | |
1341 | "Specify packets to reject\n" | |
1342 | "Specify packets to forward\n" | |
6cdff321 DL |
1343 | "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n" |
1344 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
1345 | "Minimum prefix length to be matched\n" | |
1346 | "Minimum prefix length\n" | |
718e3744 | 1347 | "Maximum prefix length to be matched\n" |
1348 | "Maximum prefix length\n") | |
1349 | { | |
d62a17ae | 1350 | return vty_prefix_list_install(vty, AFI_IP, prefix_list, seq_str, |
1351 | action, dest, ge_str, le_str); | |
718e3744 | 1352 | } |
1353 | ||
6cdff321 DL |
1354 | DEFPY (no_ip_prefix_list, |
1355 | no_ip_prefix_list_cmd, | |
1356 | "no ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>", | |
1357 | NO_STR | |
1358 | IP_STR | |
718e3744 | 1359 | PREFIX_LIST_STR |
1360 | "Name of a prefix list\n" | |
1361 | "sequence number of an entry\n" | |
1362 | "Sequence number\n" | |
1363 | "Specify packets to reject\n" | |
1364 | "Specify packets to forward\n" | |
6cdff321 DL |
1365 | "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n" |
1366 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
718e3744 | 1367 | "Minimum prefix length to be matched\n" |
6cdff321 DL |
1368 | "Minimum prefix length\n" |
1369 | "Maximum prefix length to be matched\n" | |
1370 | "Maximum prefix length\n") | |
718e3744 | 1371 | { |
d62a17ae | 1372 | return vty_prefix_list_uninstall(vty, AFI_IP, prefix_list, seq_str, |
1373 | action, dest, ge_str, le_str); | |
718e3744 | 1374 | } |
1375 | ||
6cdff321 DL |
1376 | DEFPY (no_ip_prefix_list_all, |
1377 | no_ip_prefix_list_all_cmd, | |
1378 | "no ip prefix-list WORD", | |
718e3744 | 1379 | NO_STR |
6cdff321 | 1380 | IP_STR |
718e3744 | 1381 | PREFIX_LIST_STR |
1382 | "Name of a prefix list\n") | |
1383 | { | |
d62a17ae | 1384 | return vty_prefix_list_uninstall(vty, AFI_IP, prefix_list, NULL, NULL, |
1385 | NULL, NULL, NULL); | |
718e3744 | 1386 | } |
1387 | ||
6cdff321 DL |
1388 | DEFPY (ip_prefix_list_sequence_number, |
1389 | ip_prefix_list_sequence_number_cmd, | |
1390 | "[no] ip prefix-list sequence-number", | |
718e3744 | 1391 | NO_STR |
6cdff321 | 1392 | IP_STR |
718e3744 | 1393 | PREFIX_LIST_STR |
6cdff321 | 1394 | "Include/exclude sequence numbers in NVGEN\n") |
718e3744 | 1395 | { |
e11d84ad | 1396 | prefix_master_ipv4.seqnum = no ? false : true; |
d62a17ae | 1397 | return CMD_SUCCESS; |
718e3744 | 1398 | } |
1399 | ||
6cdff321 DL |
1400 | DEFUN (ip_prefix_list_description, |
1401 | ip_prefix_list_description_cmd, | |
1402 | "ip prefix-list WORD description LINE...", | |
1403 | IP_STR | |
718e3744 | 1404 | PREFIX_LIST_STR |
1405 | "Name of a prefix list\n" | |
6cdff321 DL |
1406 | "Prefix-list specific description\n" |
1407 | "Up to 80 characters describing this prefix-list\n") | |
718e3744 | 1408 | { |
d62a17ae | 1409 | int idx_word = 2; |
1410 | int idx_line = 4; | |
1411 | struct prefix_list *plist; | |
1412 | ||
1413 | plist = prefix_list_get(AFI_IP, 0, argv[idx_word]->arg); | |
6cdff321 | 1414 | |
d62a17ae | 1415 | if (plist->desc) { |
1416 | XFREE(MTYPE_TMP, plist->desc); | |
1417 | plist->desc = NULL; | |
1418 | } | |
1419 | plist->desc = argv_concat(argv, argc, idx_line); | |
6cdff321 | 1420 | |
d62a17ae | 1421 | return CMD_SUCCESS; |
718e3744 | 1422 | } |
1423 | ||
6cdff321 DL |
1424 | DEFUN (no_ip_prefix_list_description, |
1425 | no_ip_prefix_list_description_cmd, | |
1426 | "no ip prefix-list WORD description", | |
718e3744 | 1427 | NO_STR |
6cdff321 | 1428 | IP_STR |
718e3744 | 1429 | PREFIX_LIST_STR |
1430 | "Name of a prefix list\n" | |
6cdff321 | 1431 | "Prefix-list specific description\n") |
718e3744 | 1432 | { |
d62a17ae | 1433 | int idx_word = 3; |
1434 | return vty_prefix_list_desc_unset(vty, AFI_IP, argv[idx_word]->arg); | |
718e3744 | 1435 | } |
1436 | ||
6cdff321 DL |
1437 | /* ALIAS_FIXME */ |
1438 | DEFUN (no_ip_prefix_list_description_comment, | |
1439 | no_ip_prefix_list_description_comment_cmd, | |
1440 | "no ip prefix-list WORD description LINE...", | |
718e3744 | 1441 | NO_STR |
6cdff321 | 1442 | IP_STR |
718e3744 | 1443 | PREFIX_LIST_STR |
1444 | "Name of a prefix list\n" | |
6cdff321 DL |
1445 | "Prefix-list specific description\n" |
1446 | "Up to 80 characters describing this prefix-list\n") | |
718e3744 | 1447 | { |
d62a17ae | 1448 | return no_ip_prefix_list_description(self, vty, argc, argv); |
718e3744 | 1449 | } |
1450 | ||
6cdff321 DL |
1451 | DEFPY (show_ip_prefix_list, |
1452 | show_ip_prefix_list_cmd, | |
1453 | "show ip prefix-list [WORD [seq$dseq (1-4294967295)$arg]]", | |
1454 | SHOW_STR | |
1455 | IP_STR | |
718e3744 | 1456 | PREFIX_LIST_STR |
1457 | "Name of a prefix list\n" | |
6cdff321 DL |
1458 | "sequence number of an entry\n" |
1459 | "Sequence number\n") | |
718e3744 | 1460 | { |
d62a17ae | 1461 | enum display_type dtype = normal_display; |
1462 | if (dseq) | |
1463 | dtype = sequential_display; | |
6cdff321 | 1464 | |
d62a17ae | 1465 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, arg_str, dtype); |
718e3744 | 1466 | } |
1467 | ||
6cdff321 DL |
1468 | DEFPY (show_ip_prefix_list_prefix, |
1469 | show_ip_prefix_list_prefix_cmd, | |
1470 | "show ip prefix-list WORD A.B.C.D/M$prefix [longer$dl|first-match$dfm]", | |
1471 | SHOW_STR | |
1472 | IP_STR | |
718e3744 | 1473 | PREFIX_LIST_STR |
1474 | "Name of a prefix list\n" | |
6cdff321 DL |
1475 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" |
1476 | "Lookup longer prefix\n" | |
1477 | "First matched prefix\n") | |
718e3744 | 1478 | { |
d62a17ae | 1479 | enum display_type dtype = normal_display; |
1480 | if (dl) | |
1481 | dtype = longer_display; | |
1482 | else if (dfm) | |
1483 | dtype = first_match_display; | |
6cdff321 | 1484 | |
d62a17ae | 1485 | return vty_show_prefix_list_prefix(vty, AFI_IP, prefix_list, prefix_str, |
1486 | dtype); | |
718e3744 | 1487 | } |
1488 | ||
6cdff321 DL |
1489 | DEFPY (show_ip_prefix_list_summary, |
1490 | show_ip_prefix_list_summary_cmd, | |
1491 | "show ip prefix-list summary [WORD$prefix_list]", | |
1492 | SHOW_STR | |
1493 | IP_STR | |
718e3744 | 1494 | PREFIX_LIST_STR |
6cdff321 DL |
1495 | "Summary of prefix lists\n" |
1496 | "Name of a prefix list\n") | |
718e3744 | 1497 | { |
d62a17ae | 1498 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, NULL, |
1499 | summary_display); | |
718e3744 | 1500 | } |
1501 | ||
6cdff321 DL |
1502 | DEFPY (show_ip_prefix_list_detail, |
1503 | show_ip_prefix_list_detail_cmd, | |
1504 | "show ip prefix-list detail [WORD$prefix_list]", | |
1505 | SHOW_STR | |
1506 | IP_STR | |
1507 | PREFIX_LIST_STR | |
1508 | "Detail of prefix lists\n" | |
1509 | "Name of a prefix list\n") | |
1510 | { | |
d62a17ae | 1511 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, NULL, |
1512 | detail_display); | |
6cdff321 DL |
1513 | } |
1514 | ||
1515 | DEFPY (clear_ip_prefix_list, | |
1516 | clear_ip_prefix_list_cmd, | |
1517 | "clear ip prefix-list [WORD [A.B.C.D/M$prefix]]", | |
1518 | CLEAR_STR | |
1519 | IP_STR | |
718e3744 | 1520 | PREFIX_LIST_STR |
1521 | "Name of a prefix list\n" | |
6cdff321 | 1522 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n") |
718e3744 | 1523 | { |
d62a17ae | 1524 | return vty_clear_prefix_list(vty, AFI_IP, prefix_list, prefix_str); |
6cdff321 DL |
1525 | } |
1526 | ||
1527 | DEFPY (ipv6_prefix_list, | |
1528 | ipv6_prefix_list_cmd, | |
1529 | "ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>", | |
718e3744 | 1530 | IPV6_STR |
1531 | PREFIX_LIST_STR | |
1532 | "Name of a prefix list\n" | |
1533 | "sequence number of an entry\n" | |
1534 | "Sequence number\n" | |
1535 | "Specify packets to reject\n" | |
1536 | "Specify packets to forward\n" | |
6cdff321 | 1537 | "Any prefix match. Same as \"::0/0 le 128\"\n" |
718e3744 | 1538 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" |
1539 | "Maximum prefix length to be matched\n" | |
6cdff321 DL |
1540 | "Maximum prefix length\n" |
1541 | "Minimum prefix length to be matched\n" | |
1542 | "Minimum prefix length\n") | |
718e3744 | 1543 | { |
d62a17ae | 1544 | return vty_prefix_list_install(vty, AFI_IP6, prefix_list, seq_str, |
1545 | action, dest, ge_str, le_str); | |
718e3744 | 1546 | } |
1547 | ||
6cdff321 DL |
1548 | DEFPY (no_ipv6_prefix_list, |
1549 | no_ipv6_prefix_list_cmd, | |
1550 | "no ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>", | |
718e3744 | 1551 | NO_STR |
1552 | IPV6_STR | |
1553 | PREFIX_LIST_STR | |
1554 | "Name of a prefix list\n" | |
1555 | "sequence number of an entry\n" | |
1556 | "Sequence number\n" | |
1557 | "Specify packets to reject\n" | |
1558 | "Specify packets to forward\n" | |
6cdff321 | 1559 | "Any prefix match. Same as \"::0/0 le 128\"\n" |
718e3744 | 1560 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" |
1561 | "Maximum prefix length to be matched\n" | |
1562 | "Maximum prefix length\n" | |
1563 | "Minimum prefix length to be matched\n" | |
1564 | "Minimum prefix length\n") | |
1565 | { | |
d62a17ae | 1566 | return vty_prefix_list_uninstall(vty, AFI_IP6, prefix_list, seq_str, |
1567 | action, dest, ge_str, le_str); | |
718e3744 | 1568 | } |
1569 | ||
6cdff321 DL |
1570 | DEFPY (no_ipv6_prefix_list_all, |
1571 | no_ipv6_prefix_list_all_cmd, | |
1572 | "no ipv6 prefix-list WORD", | |
1573 | NO_STR | |
718e3744 | 1574 | IPV6_STR |
1575 | PREFIX_LIST_STR | |
6cdff321 | 1576 | "Name of a prefix list\n") |
718e3744 | 1577 | { |
d62a17ae | 1578 | return vty_prefix_list_uninstall(vty, AFI_IP6, prefix_list, NULL, NULL, |
1579 | NULL, NULL, NULL); | |
718e3744 | 1580 | } |
1581 | ||
6cdff321 DL |
1582 | DEFPY (ipv6_prefix_list_sequence_number, |
1583 | ipv6_prefix_list_sequence_number_cmd, | |
1584 | "[no] ipv6 prefix-list sequence-number", | |
718e3744 | 1585 | NO_STR |
1586 | IPV6_STR | |
1587 | PREFIX_LIST_STR | |
1588 | "Include/exclude sequence numbers in NVGEN\n") | |
1589 | { | |
e11d84ad | 1590 | prefix_master_ipv6.seqnum = no ? false : true; |
d62a17ae | 1591 | return CMD_SUCCESS; |
718e3744 | 1592 | } |
1593 | ||
1594 | DEFUN (ipv6_prefix_list_description, | |
1595 | ipv6_prefix_list_description_cmd, | |
e961923c | 1596 | "ipv6 prefix-list WORD description LINE...", |
718e3744 | 1597 | IPV6_STR |
1598 | PREFIX_LIST_STR | |
1599 | "Name of a prefix list\n" | |
1600 | "Prefix-list specific description\n" | |
1601 | "Up to 80 characters describing this prefix-list\n") | |
1602 | { | |
d62a17ae | 1603 | int idx_word = 2; |
1604 | int iddx_line = 4; | |
1605 | struct prefix_list *plist; | |
718e3744 | 1606 | |
d62a17ae | 1607 | plist = prefix_list_get(AFI_IP6, 0, argv[idx_word]->arg); |
1608 | ||
1609 | if (plist->desc) { | |
1610 | XFREE(MTYPE_TMP, plist->desc); | |
1611 | plist->desc = NULL; | |
1612 | } | |
1613 | plist->desc = argv_concat(argv, argc, iddx_line); | |
718e3744 | 1614 | |
d62a17ae | 1615 | return CMD_SUCCESS; |
c349116d | 1616 | } |
718e3744 | 1617 | |
1618 | DEFUN (no_ipv6_prefix_list_description, | |
1619 | no_ipv6_prefix_list_description_cmd, | |
1620 | "no ipv6 prefix-list WORD description", | |
1621 | NO_STR | |
1622 | IPV6_STR | |
1623 | PREFIX_LIST_STR | |
1624 | "Name of a prefix list\n" | |
1625 | "Prefix-list specific description\n") | |
1626 | { | |
d62a17ae | 1627 | int idx_word = 3; |
1628 | return vty_prefix_list_desc_unset(vty, AFI_IP6, argv[idx_word]->arg); | |
718e3744 | 1629 | } |
1630 | ||
d862bffb QY |
1631 | /* ALIAS_FIXME */ |
1632 | DEFUN (no_ipv6_prefix_list_description_comment, | |
1633 | no_ipv6_prefix_list_description_comment_cmd, | |
1634 | "no ipv6 prefix-list WORD description LINE...", | |
1635 | NO_STR | |
1636 | IPV6_STR | |
1637 | PREFIX_LIST_STR | |
1638 | "Name of a prefix list\n" | |
1639 | "Prefix-list specific description\n" | |
1640 | "Up to 80 characters describing this prefix-list\n") | |
1641 | { | |
d62a17ae | 1642 | return no_ipv6_prefix_list_description(self, vty, argc, argv); |
d862bffb QY |
1643 | } |
1644 | ||
718e3744 | 1645 | |
6cdff321 | 1646 | DEFPY (show_ipv6_prefix_list, |
718e3744 | 1647 | show_ipv6_prefix_list_cmd, |
6cdff321 | 1648 | "show ipv6 prefix-list [WORD [seq$dseq (1-4294967295)$arg]]", |
718e3744 | 1649 | SHOW_STR |
1650 | IPV6_STR | |
1651 | PREFIX_LIST_STR | |
1652 | "Name of a prefix list\n" | |
1653 | "sequence number of an entry\n" | |
7111c1a0 | 1654 | "Sequence number\n") |
718e3744 | 1655 | { |
d62a17ae | 1656 | enum display_type dtype = normal_display; |
1657 | if (dseq) | |
1658 | dtype = sequential_display; | |
718e3744 | 1659 | |
d62a17ae | 1660 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, arg_str, dtype); |
718e3744 | 1661 | } |
1662 | ||
6cdff321 DL |
1663 | DEFPY (show_ipv6_prefix_list_prefix, |
1664 | show_ipv6_prefix_list_prefix_cmd, | |
1665 | "show ipv6 prefix-list WORD X:X::X:X/M$prefix [longer$dl|first-match$dfm]", | |
718e3744 | 1666 | SHOW_STR |
1667 | IPV6_STR | |
1668 | PREFIX_LIST_STR | |
1669 | "Name of a prefix list\n" | |
1670 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" | |
6cdff321 | 1671 | "Lookup longer prefix\n" |
718e3744 | 1672 | "First matched prefix\n") |
1673 | { | |
d62a17ae | 1674 | enum display_type dtype = normal_display; |
1675 | if (dl) | |
1676 | dtype = longer_display; | |
1677 | else if (dfm) | |
1678 | dtype = first_match_display; | |
718e3744 | 1679 | |
d62a17ae | 1680 | return vty_show_prefix_list_prefix(vty, AFI_IP6, prefix_list, |
1681 | prefix_str, dtype); | |
718e3744 | 1682 | } |
1683 | ||
6cdff321 DL |
1684 | DEFPY (show_ipv6_prefix_list_summary, |
1685 | show_ipv6_prefix_list_summary_cmd, | |
1686 | "show ipv6 prefix-list summary [WORD$prefix-list]", | |
718e3744 | 1687 | SHOW_STR |
1688 | IPV6_STR | |
1689 | PREFIX_LIST_STR | |
1690 | "Summary of prefix lists\n" | |
1691 | "Name of a prefix list\n") | |
1692 | { | |
d62a17ae | 1693 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, NULL, |
1694 | summary_display); | |
718e3744 | 1695 | } |
1696 | ||
6cdff321 | 1697 | DEFPY (show_ipv6_prefix_list_detail, |
718e3744 | 1698 | show_ipv6_prefix_list_detail_cmd, |
6cdff321 | 1699 | "show ipv6 prefix-list detail [WORD$prefix-list]", |
718e3744 | 1700 | SHOW_STR |
1701 | IPV6_STR | |
1702 | PREFIX_LIST_STR | |
1703 | "Detail of prefix lists\n" | |
1704 | "Name of a prefix list\n") | |
1705 | { | |
d62a17ae | 1706 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, NULL, |
1707 | detail_display); | |
718e3744 | 1708 | } |
1709 | ||
6cdff321 | 1710 | DEFPY (clear_ipv6_prefix_list, |
718e3744 | 1711 | clear_ipv6_prefix_list_cmd, |
6cdff321 | 1712 | "clear ipv6 prefix-list [WORD [X:X::X:X/M$prefix]]", |
718e3744 | 1713 | CLEAR_STR |
1714 | IPV6_STR | |
1715 | PREFIX_LIST_STR | |
1716 | "Name of a prefix list\n" | |
1717 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n") | |
1718 | { | |
d62a17ae | 1719 | return vty_clear_prefix_list(vty, AFI_IP6, prefix_list, prefix_str); |
718e3744 | 1720 | } |
6b0655a2 | 1721 | |
718e3744 | 1722 | /* Configuration write function. */ |
d62a17ae | 1723 | static int config_write_prefix_afi(afi_t afi, struct vty *vty) |
1724 | { | |
1725 | struct prefix_list *plist; | |
1726 | struct prefix_list_entry *pentry; | |
1727 | struct prefix_master *master; | |
1728 | int write = 0; | |
1729 | ||
1730 | master = prefix_master_get(afi, 0); | |
1731 | if (master == NULL) | |
1732 | return 0; | |
718e3744 | 1733 | |
d62a17ae | 1734 | if (!master->seqnum) { |
1735 | vty_out(vty, "no ip%s prefix-list sequence-number\n", | |
1736 | afi == AFI_IP ? "" : "v6"); | |
1737 | vty_out(vty, "!\n"); | |
718e3744 | 1738 | } |
d62a17ae | 1739 | |
1740 | for (plist = master->num.head; plist; plist = plist->next) { | |
1741 | if (plist->desc) { | |
1742 | vty_out(vty, "ip%s prefix-list %s description %s\n", | |
1743 | afi == AFI_IP ? "" : "v6", plist->name, | |
1744 | plist->desc); | |
1745 | write++; | |
1746 | } | |
1747 | ||
1748 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1749 | vty_out(vty, "ip%s prefix-list %s ", | |
1750 | afi == AFI_IP ? "" : "v6", plist->name); | |
1751 | ||
1752 | if (master->seqnum) | |
24512fbd | 1753 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
d62a17ae | 1754 | |
1755 | vty_out(vty, "%s ", prefix_list_type_str(pentry)); | |
1756 | ||
1757 | if (pentry->any) | |
1758 | vty_out(vty, "any"); | |
1759 | else { | |
1760 | struct prefix *p = &pentry->prefix; | |
1761 | char buf[BUFSIZ]; | |
1762 | ||
1763 | vty_out(vty, "%s/%d", | |
9eaec2ae | 1764 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1765 | BUFSIZ), |
1766 | p->prefixlen); | |
1767 | ||
1768 | if (pentry->ge) | |
1769 | vty_out(vty, " ge %d", pentry->ge); | |
1770 | if (pentry->le) | |
1771 | vty_out(vty, " le %d", pentry->le); | |
1772 | } | |
1773 | vty_out(vty, "\n"); | |
1774 | write++; | |
1775 | } | |
1776 | /* vty_out (vty, "!\n"); */ | |
718e3744 | 1777 | } |
1778 | ||
d62a17ae | 1779 | for (plist = master->str.head; plist; plist = plist->next) { |
1780 | if (plist->desc) { | |
1781 | vty_out(vty, "ip%s prefix-list %s description %s\n", | |
1782 | afi == AFI_IP ? "" : "v6", plist->name, | |
1783 | plist->desc); | |
1784 | write++; | |
1785 | } | |
1786 | ||
1787 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1788 | vty_out(vty, "ip%s prefix-list %s ", | |
1789 | afi == AFI_IP ? "" : "v6", plist->name); | |
1790 | ||
1791 | if (master->seqnum) | |
24512fbd | 1792 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
d62a17ae | 1793 | |
1794 | vty_out(vty, "%s", prefix_list_type_str(pentry)); | |
1795 | ||
1796 | if (pentry->any) | |
1797 | vty_out(vty, " any"); | |
1798 | else { | |
1799 | struct prefix *p = &pentry->prefix; | |
1800 | char buf[BUFSIZ]; | |
1801 | ||
1802 | vty_out(vty, " %s/%d", | |
9eaec2ae | 1803 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1804 | BUFSIZ), |
1805 | p->prefixlen); | |
1806 | ||
1807 | if (pentry->ge) | |
1808 | vty_out(vty, " ge %d", pentry->ge); | |
1809 | if (pentry->le) | |
1810 | vty_out(vty, " le %d", pentry->le); | |
1811 | } | |
1812 | vty_out(vty, "\n"); | |
1813 | write++; | |
1814 | } | |
718e3744 | 1815 | } |
d62a17ae | 1816 | |
1817 | return write; | |
718e3744 | 1818 | } |
1819 | ||
d62a17ae | 1820 | struct stream *prefix_bgp_orf_entry(struct stream *s, struct prefix_list *plist, |
d7c0a89a QY |
1821 | uint8_t init_flag, uint8_t permit_flag, |
1822 | uint8_t deny_flag) | |
718e3744 | 1823 | { |
d62a17ae | 1824 | struct prefix_list_entry *pentry; |
718e3744 | 1825 | |
d62a17ae | 1826 | if (!plist) |
1827 | return s; | |
718e3744 | 1828 | |
d62a17ae | 1829 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
d7c0a89a | 1830 | uint8_t flag = init_flag; |
d62a17ae | 1831 | struct prefix *p = &pentry->prefix; |
718e3744 | 1832 | |
d62a17ae | 1833 | flag |= (pentry->type == PREFIX_PERMIT ? permit_flag |
1834 | : deny_flag); | |
1835 | stream_putc(s, flag); | |
d7c0a89a QY |
1836 | stream_putl(s, (uint32_t)pentry->seq); |
1837 | stream_putc(s, (uint8_t)pentry->ge); | |
1838 | stream_putc(s, (uint8_t)pentry->le); | |
d62a17ae | 1839 | stream_put_prefix(s, p); |
1840 | } | |
718e3744 | 1841 | |
d62a17ae | 1842 | return s; |
718e3744 | 1843 | } |
1844 | ||
d62a17ae | 1845 | int prefix_bgp_orf_set(char *name, afi_t afi, struct orf_prefix *orfp, |
1846 | int permit, int set) | |
718e3744 | 1847 | { |
d62a17ae | 1848 | struct prefix_list *plist; |
1849 | struct prefix_list_entry *pentry; | |
718e3744 | 1850 | |
d62a17ae | 1851 | /* ge and le value check */ |
1852 | if (orfp->ge && orfp->ge <= orfp->p.prefixlen) | |
1853 | return CMD_WARNING_CONFIG_FAILED; | |
1854 | if (orfp->le && orfp->le <= orfp->p.prefixlen) | |
1855 | return CMD_WARNING_CONFIG_FAILED; | |
1856 | if (orfp->le && orfp->ge > orfp->le) | |
1857 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1858 | |
d62a17ae | 1859 | if (orfp->ge && orfp->le == (afi == AFI_IP ? 32 : 128)) |
1860 | orfp->le = 0; | |
718e3744 | 1861 | |
d62a17ae | 1862 | plist = prefix_list_get(afi, 1, name); |
1863 | if (!plist) | |
1864 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1865 | |
d62a17ae | 1866 | if (set) { |
1867 | pentry = prefix_list_entry_make( | |
1868 | &orfp->p, (permit ? PREFIX_PERMIT : PREFIX_DENY), | |
1869 | orfp->seq, orfp->le, orfp->ge, 0); | |
718e3744 | 1870 | |
d62a17ae | 1871 | if (prefix_entry_dup_check(plist, pentry)) { |
1872 | prefix_list_entry_free(pentry); | |
1873 | return CMD_WARNING_CONFIG_FAILED; | |
1874 | } | |
718e3744 | 1875 | |
d62a17ae | 1876 | prefix_list_entry_add(plist, pentry); |
1877 | } else { | |
1878 | pentry = prefix_list_entry_lookup( | |
1879 | plist, &orfp->p, (permit ? PREFIX_PERMIT : PREFIX_DENY), | |
1880 | orfp->seq, orfp->le, orfp->ge); | |
718e3744 | 1881 | |
d62a17ae | 1882 | if (!pentry) |
1883 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1884 | |
d62a17ae | 1885 | prefix_list_entry_delete(plist, pentry, 1); |
1886 | } | |
718e3744 | 1887 | |
d62a17ae | 1888 | return CMD_SUCCESS; |
718e3744 | 1889 | } |
1890 | ||
d62a17ae | 1891 | void prefix_bgp_orf_remove_all(afi_t afi, char *name) |
718e3744 | 1892 | { |
d62a17ae | 1893 | struct prefix_list *plist; |
718e3744 | 1894 | |
d62a17ae | 1895 | plist = prefix_bgp_orf_lookup(afi, name); |
1896 | if (plist) | |
1897 | prefix_list_delete(plist); | |
718e3744 | 1898 | } |
1899 | ||
1900 | /* return prefix count */ | |
d62a17ae | 1901 | int prefix_bgp_show_prefix_list(struct vty *vty, afi_t afi, char *name, |
d7c0a89a | 1902 | uint8_t use_json) |
d62a17ae | 1903 | { |
1904 | struct prefix_list *plist; | |
1905 | struct prefix_list_entry *pentry; | |
1906 | json_object *json = NULL; | |
1907 | json_object *json_prefix = NULL; | |
1908 | json_object *json_list = NULL; | |
1909 | ||
1910 | plist = prefix_bgp_orf_lookup(afi, name); | |
1911 | if (!plist) | |
1912 | return 0; | |
1913 | ||
1914 | if (!vty) | |
1915 | return plist->count; | |
1916 | ||
1917 | if (use_json) { | |
1918 | json = json_object_new_object(); | |
1919 | json_prefix = json_object_new_object(); | |
1920 | json_list = json_object_new_object(); | |
1921 | ||
1922 | json_object_int_add(json_prefix, "prefixListCounter", | |
1923 | plist->count); | |
1924 | json_object_string_add(json_prefix, "prefixListName", | |
1925 | plist->name); | |
1926 | ||
1927 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1928 | struct prefix *p = &pentry->prefix; | |
1929 | char buf_a[BUFSIZ]; | |
1930 | char buf_b[BUFSIZ]; | |
1931 | ||
1932 | sprintf(buf_a, "%s/%d", | |
9eaec2ae | 1933 | inet_ntop(p->family, p->u.val, buf_b, |
d62a17ae | 1934 | BUFSIZ), |
1935 | p->prefixlen); | |
1936 | ||
1937 | json_object_int_add(json_list, "seq", pentry->seq); | |
1938 | json_object_string_add(json_list, "seqPrefixListType", | |
1939 | prefix_list_type_str(pentry)); | |
1940 | ||
1941 | if (pentry->ge) | |
1942 | json_object_int_add(json_list, "ge", | |
1943 | pentry->ge); | |
1944 | if (pentry->le) | |
1945 | json_object_int_add(json_list, "le", | |
1946 | pentry->le); | |
1947 | ||
1948 | json_object_object_add(json_prefix, buf_a, json_list); | |
1949 | } | |
1950 | if (afi == AFI_IP) | |
1951 | json_object_object_add(json, "ipPrefixList", | |
1952 | json_prefix); | |
1953 | else | |
1954 | json_object_object_add(json, "ipv6PrefixList", | |
1955 | json_prefix); | |
1956 | ||
9d303b37 DL |
1957 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
1958 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 1959 | json_object_free(json); |
1960 | } else { | |
1961 | vty_out(vty, "ip%s prefix-list %s: %d entries\n", | |
1962 | afi == AFI_IP ? "" : "v6", plist->name, plist->count); | |
1963 | ||
1964 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1965 | struct prefix *p = &pentry->prefix; | |
1966 | char buf[BUFSIZ]; | |
1967 | ||
24512fbd DS |
1968 | vty_out(vty, " seq %" PRId64 " %s %s/%d", |
1969 | pentry->seq, | |
d62a17ae | 1970 | prefix_list_type_str(pentry), |
9eaec2ae | 1971 | inet_ntop(p->family, p->u.val, buf, BUFSIZ), |
d62a17ae | 1972 | p->prefixlen); |
1973 | ||
1974 | if (pentry->ge) | |
1975 | vty_out(vty, " ge %d", pentry->ge); | |
1976 | if (pentry->le) | |
1977 | vty_out(vty, " le %d", pentry->le); | |
1978 | ||
1979 | vty_out(vty, "\n"); | |
1980 | } | |
1981 | } | |
1982 | return plist->count; | |
1983 | } | |
1984 | ||
1985 | static void prefix_list_reset_afi(afi_t afi, int orf) | |
1986 | { | |
1987 | struct prefix_list *plist; | |
1988 | struct prefix_list *next; | |
1989 | struct prefix_master *master; | |
1990 | ||
1991 | master = prefix_master_get(afi, orf); | |
1992 | if (master == NULL) | |
1993 | return; | |
1994 | ||
1995 | for (plist = master->num.head; plist; plist = next) { | |
1996 | next = plist->next; | |
1997 | prefix_list_delete(plist); | |
1998 | } | |
1999 | for (plist = master->str.head; plist; plist = next) { | |
2000 | next = plist->next; | |
2001 | prefix_list_delete(plist); | |
2002 | } | |
2003 | ||
2004 | assert(master->num.head == NULL); | |
2005 | assert(master->num.tail == NULL); | |
2006 | ||
2007 | assert(master->str.head == NULL); | |
2008 | assert(master->str.tail == NULL); | |
2009 | ||
2010 | master->seqnum = 1; | |
2011 | master->recent = NULL; | |
718e3744 | 2012 | } |
2013 | ||
2014 | ||
2015 | /* Prefix-list node. */ | |
d62a17ae | 2016 | static struct cmd_node prefix_node = {PREFIX_NODE, |
2017 | "", /* Prefix list has no interface. */ | |
2018 | 1}; | |
718e3744 | 2019 | |
d62a17ae | 2020 | static int config_write_prefix_ipv4(struct vty *vty) |
718e3744 | 2021 | { |
d62a17ae | 2022 | return config_write_prefix_afi(AFI_IP, vty); |
718e3744 | 2023 | } |
2024 | ||
d62a17ae | 2025 | static void plist_autocomplete_afi(afi_t afi, vector comps, |
2026 | struct cmd_token *token) | |
70d44c5c | 2027 | { |
d62a17ae | 2028 | struct prefix_list *plist; |
2029 | struct prefix_master *master; | |
70d44c5c | 2030 | |
d62a17ae | 2031 | master = prefix_master_get(afi, 0); |
2032 | if (master == NULL) | |
2033 | return; | |
70d44c5c | 2034 | |
d62a17ae | 2035 | for (plist = master->str.head; plist; plist = plist->next) |
2036 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, plist->name)); | |
2037 | for (plist = master->num.head; plist; plist = plist->next) | |
2038 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, plist->name)); | |
70d44c5c DL |
2039 | } |
2040 | ||
d62a17ae | 2041 | static void plist_autocomplete(vector comps, struct cmd_token *token) |
70d44c5c | 2042 | { |
d62a17ae | 2043 | plist_autocomplete_afi(AFI_IP, comps, token); |
2044 | plist_autocomplete_afi(AFI_IP6, comps, token); | |
70d44c5c DL |
2045 | } |
2046 | ||
2047 | static const struct cmd_variable_handler plist_var_handlers[] = { | |
d62a17ae | 2048 | {/* "prefix-list WORD" */ |
2049 | .varname = "prefix_list", | |
2050 | .completions = plist_autocomplete}, | |
2051 | {.completions = NULL}}; | |
70d44c5c DL |
2052 | |
2053 | ||
d62a17ae | 2054 | static void prefix_list_init_ipv4(void) |
718e3744 | 2055 | { |
d62a17ae | 2056 | install_node(&prefix_node, config_write_prefix_ipv4); |
718e3744 | 2057 | |
d62a17ae | 2058 | install_element(CONFIG_NODE, &ip_prefix_list_cmd); |
2059 | install_element(CONFIG_NODE, &no_ip_prefix_list_cmd); | |
2060 | install_element(CONFIG_NODE, &no_ip_prefix_list_all_cmd); | |
718e3744 | 2061 | |
d62a17ae | 2062 | install_element(CONFIG_NODE, &ip_prefix_list_description_cmd); |
2063 | install_element(CONFIG_NODE, &no_ip_prefix_list_description_cmd); | |
2064 | install_element(CONFIG_NODE, | |
2065 | &no_ip_prefix_list_description_comment_cmd); | |
718e3744 | 2066 | |
d62a17ae | 2067 | install_element(CONFIG_NODE, &ip_prefix_list_sequence_number_cmd); |
718e3744 | 2068 | |
d62a17ae | 2069 | install_element(VIEW_NODE, &show_ip_prefix_list_cmd); |
2070 | install_element(VIEW_NODE, &show_ip_prefix_list_prefix_cmd); | |
2071 | install_element(VIEW_NODE, &show_ip_prefix_list_summary_cmd); | |
2072 | install_element(VIEW_NODE, &show_ip_prefix_list_detail_cmd); | |
718e3744 | 2073 | |
d62a17ae | 2074 | install_element(ENABLE_NODE, &clear_ip_prefix_list_cmd); |
718e3744 | 2075 | } |
2076 | ||
718e3744 | 2077 | /* Prefix-list node. */ |
d62a17ae | 2078 | static struct cmd_node prefix_ipv6_node = { |
2079 | PREFIX_IPV6_NODE, "", /* Prefix list has no interface. */ | |
2080 | 1}; | |
718e3744 | 2081 | |
d62a17ae | 2082 | static int config_write_prefix_ipv6(struct vty *vty) |
718e3744 | 2083 | { |
d62a17ae | 2084 | return config_write_prefix_afi(AFI_IP6, vty); |
718e3744 | 2085 | } |
2086 | ||
d62a17ae | 2087 | static void prefix_list_init_ipv6(void) |
718e3744 | 2088 | { |
d62a17ae | 2089 | install_node(&prefix_ipv6_node, config_write_prefix_ipv6); |
718e3744 | 2090 | |
d62a17ae | 2091 | install_element(CONFIG_NODE, &ipv6_prefix_list_cmd); |
2092 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_cmd); | |
2093 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_all_cmd); | |
718e3744 | 2094 | |
d62a17ae | 2095 | install_element(CONFIG_NODE, &ipv6_prefix_list_description_cmd); |
2096 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_description_cmd); | |
2097 | install_element(CONFIG_NODE, | |
2098 | &no_ipv6_prefix_list_description_comment_cmd); | |
718e3744 | 2099 | |
d62a17ae | 2100 | install_element(CONFIG_NODE, &ipv6_prefix_list_sequence_number_cmd); |
718e3744 | 2101 | |
d62a17ae | 2102 | install_element(VIEW_NODE, &show_ipv6_prefix_list_cmd); |
2103 | install_element(VIEW_NODE, &show_ipv6_prefix_list_prefix_cmd); | |
2104 | install_element(VIEW_NODE, &show_ipv6_prefix_list_summary_cmd); | |
2105 | install_element(VIEW_NODE, &show_ipv6_prefix_list_detail_cmd); | |
718e3744 | 2106 | |
d62a17ae | 2107 | install_element(ENABLE_NODE, &clear_ipv6_prefix_list_cmd); |
718e3744 | 2108 | } |
718e3744 | 2109 | |
d62a17ae | 2110 | void prefix_list_init() |
718e3744 | 2111 | { |
d62a17ae | 2112 | cmd_variable_handler_register(plist_var_handlers); |
70d44c5c | 2113 | |
d62a17ae | 2114 | prefix_list_init_ipv4(); |
2115 | prefix_list_init_ipv6(); | |
718e3744 | 2116 | } |
2117 | ||
d62a17ae | 2118 | void prefix_list_reset() |
718e3744 | 2119 | { |
d62a17ae | 2120 | prefix_list_reset_afi(AFI_IP, 0); |
2121 | prefix_list_reset_afi(AFI_IP6, 0); | |
2122 | prefix_list_reset_afi(AFI_IP, 1); | |
2123 | prefix_list_reset_afi(AFI_IP6, 1); | |
718e3744 | 2124 | } |