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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++) { | |
fefa5e0f | 221 | if (isdigit((unsigned char)name[i])) |
d62a17ae | 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 | |
0a22ddfb | 329 | XFREE(MTYPE_TMP, plist->desc); |
718e3744 | 330 | |
d62a17ae | 331 | /* Make sure master's recent changed prefix-list information is |
332 | cleared. */ | |
333 | master->recent = NULL; | |
518f0eb1 | 334 | |
d62a17ae | 335 | route_map_notify_dependencies(plist->name, RMAP_EVENT_PLIST_DELETED); |
518f0eb1 | 336 | |
d62a17ae | 337 | if (master->delete_hook) |
338 | (*master->delete_hook)(plist); | |
518f0eb1 | 339 | |
0a22ddfb | 340 | XFREE(MTYPE_MPREFIX_LIST_STR, plist->name); |
7e111b6b | 341 | |
d62a17ae | 342 | XFREE(MTYPE_PREFIX_LIST_TRIE, plist->trie); |
518f0eb1 | 343 | |
d62a17ae | 344 | prefix_list_free(plist); |
718e3744 | 345 | } |
346 | ||
02ff83c5 | 347 | static struct prefix_list_entry * |
d62a17ae | 348 | prefix_list_entry_make(struct prefix *prefix, enum prefix_list_type type, |
24512fbd | 349 | int64_t seq, int le, int ge, int any) |
718e3744 | 350 | { |
d62a17ae | 351 | struct prefix_list_entry *pentry; |
718e3744 | 352 | |
d62a17ae | 353 | pentry = prefix_list_entry_new(); |
718e3744 | 354 | |
d62a17ae | 355 | if (any) |
356 | pentry->any = 1; | |
718e3744 | 357 | |
d62a17ae | 358 | prefix_copy(&pentry->prefix, prefix); |
359 | pentry->type = type; | |
360 | pentry->seq = seq; | |
361 | pentry->le = le; | |
362 | pentry->ge = ge; | |
718e3744 | 363 | |
d62a17ae | 364 | return pentry; |
718e3744 | 365 | } |
366 | ||
367 | /* Add hook function. */ | |
d62a17ae | 368 | void prefix_list_add_hook(void (*func)(struct prefix_list *plist)) |
718e3744 | 369 | { |
d62a17ae | 370 | prefix_master_ipv4.add_hook = func; |
371 | prefix_master_ipv6.add_hook = func; | |
718e3744 | 372 | } |
373 | ||
374 | /* Delete hook function. */ | |
d62a17ae | 375 | void prefix_list_delete_hook(void (*func)(struct prefix_list *plist)) |
718e3744 | 376 | { |
d62a17ae | 377 | prefix_master_ipv4.delete_hook = func; |
378 | prefix_master_ipv6.delete_hook = func; | |
718e3744 | 379 | } |
380 | ||
381 | /* Calculate new sequential number. */ | |
24512fbd | 382 | static int64_t prefix_new_seq_get(struct prefix_list *plist) |
718e3744 | 383 | { |
24512fbd DS |
384 | int64_t maxseq; |
385 | int64_t newseq; | |
d62a17ae | 386 | struct prefix_list_entry *pentry; |
718e3744 | 387 | |
d62a17ae | 388 | maxseq = newseq = 0; |
718e3744 | 389 | |
d62a17ae | 390 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
391 | if (maxseq < pentry->seq) | |
392 | maxseq = pentry->seq; | |
393 | } | |
718e3744 | 394 | |
d62a17ae | 395 | newseq = ((maxseq / 5) * 5) + 5; |
396 | ||
fbc7ead7 | 397 | return (newseq > UINT_MAX) ? UINT_MAX : newseq; |
718e3744 | 398 | } |
399 | ||
400 | /* Return prefix list entry which has same seq number. */ | |
d62a17ae | 401 | static struct prefix_list_entry *prefix_seq_check(struct prefix_list *plist, |
24512fbd | 402 | int64_t seq) |
718e3744 | 403 | { |
d62a17ae | 404 | struct prefix_list_entry *pentry; |
718e3744 | 405 | |
d62a17ae | 406 | for (pentry = plist->head; pentry; pentry = pentry->next) |
407 | if (pentry->seq == seq) | |
408 | return pentry; | |
409 | return NULL; | |
718e3744 | 410 | } |
411 | ||
02ff83c5 | 412 | static struct prefix_list_entry * |
d62a17ae | 413 | prefix_list_entry_lookup(struct prefix_list *plist, struct prefix *prefix, |
24512fbd DS |
414 | enum prefix_list_type type, int64_t seq, |
415 | int le, int ge) | |
718e3744 | 416 | { |
d62a17ae | 417 | struct prefix_list_entry *pentry; |
718e3744 | 418 | |
d62a17ae | 419 | for (pentry = plist->head; pentry; pentry = pentry->next) |
420 | if (prefix_same(&pentry->prefix, prefix) | |
421 | && pentry->type == type) { | |
422 | if (seq >= 0 && pentry->seq != seq) | |
423 | continue; | |
718e3744 | 424 | |
d62a17ae | 425 | if (pentry->le != le) |
426 | continue; | |
427 | if (pentry->ge != ge) | |
428 | continue; | |
718e3744 | 429 | |
d62a17ae | 430 | return pentry; |
431 | } | |
718e3744 | 432 | |
d62a17ae | 433 | return NULL; |
718e3744 | 434 | } |
435 | ||
d62a17ae | 436 | static void trie_walk_affected(size_t validbits, struct pltrie_table *table, |
437 | uint8_t byte, struct prefix_list_entry *object, | |
438 | void (*fn)(struct prefix_list_entry *object, | |
439 | struct prefix_list_entry **updptr)) | |
7e111b6b | 440 | { |
d62a17ae | 441 | uint8_t mask; |
442 | uint16_t bwalk; | |
7e111b6b | 443 | |
d62a17ae | 444 | if (validbits > PLC_BITS) { |
445 | fn(object, &table->entries[byte].final_chain); | |
446 | return; | |
447 | } | |
7e111b6b | 448 | |
d62a17ae | 449 | mask = (1 << (8 - validbits)) - 1; |
450 | for (bwalk = byte & ~mask; bwalk <= byte + mask; bwalk++) { | |
451 | fn(object, &table->entries[bwalk].up_chain); | |
452 | } | |
7e111b6b DL |
453 | } |
454 | ||
d62a17ae | 455 | static void trie_uninstall_fn(struct prefix_list_entry *object, |
456 | struct prefix_list_entry **updptr) | |
7e111b6b | 457 | { |
d62a17ae | 458 | for (; *updptr; updptr = &(*updptr)->next_best) |
459 | if (*updptr == object) { | |
460 | *updptr = object->next_best; | |
461 | break; | |
462 | } | |
7e111b6b DL |
463 | } |
464 | ||
d62a17ae | 465 | static int trie_table_empty(struct pltrie_table *table) |
7e111b6b | 466 | { |
d62a17ae | 467 | size_t i; |
468 | for (i = 0; i < PLC_LEN; i++) | |
469 | if (table->entries[i].next_table || table->entries[i].up_chain) | |
470 | return 0; | |
471 | return 1; | |
472 | } | |
473 | ||
474 | static void prefix_list_trie_del(struct prefix_list *plist, | |
475 | struct prefix_list_entry *pentry) | |
476 | { | |
477 | size_t depth, maxdepth = plist->master->trie_depth; | |
9eaec2ae | 478 | uint8_t *bytes = pentry->prefix.u.val; |
d62a17ae | 479 | size_t validbits = pentry->prefix.prefixlen; |
480 | struct pltrie_table *table, **tables[PLC_MAXLEVEL]; | |
481 | ||
482 | table = plist->trie; | |
483 | for (depth = 0; validbits > PLC_BITS && depth < maxdepth - 1; depth++) { | |
484 | uint8_t byte = bytes[depth]; | |
485 | assert(table->entries[byte].next_table); | |
486 | ||
487 | tables[depth + 1] = &table->entries[byte].next_table; | |
488 | table = table->entries[byte].next_table; | |
489 | ||
490 | validbits -= PLC_BITS; | |
491 | } | |
492 | ||
493 | trie_walk_affected(validbits, table, bytes[depth], pentry, | |
494 | trie_uninstall_fn); | |
495 | ||
496 | for (; depth > 0; depth--) | |
497 | if (trie_table_empty(*tables[depth])) { | |
498 | XFREE(MTYPE_PREFIX_LIST_TRIE, *tables[depth]); | |
d62a17ae | 499 | } |
7e111b6b DL |
500 | } |
501 | ||
d62a17ae | 502 | |
503 | static void prefix_list_entry_delete(struct prefix_list *plist, | |
504 | struct prefix_list_entry *pentry, | |
505 | int update_list) | |
7e111b6b | 506 | { |
d62a17ae | 507 | if (plist == NULL || pentry == NULL) |
508 | return; | |
509 | ||
510 | prefix_list_trie_del(plist, pentry); | |
7e111b6b | 511 | |
d62a17ae | 512 | if (pentry->prev) |
513 | pentry->prev->next = pentry->next; | |
514 | else | |
515 | plist->head = pentry->next; | |
516 | if (pentry->next) | |
517 | pentry->next->prev = pentry->prev; | |
518 | else | |
519 | plist->tail = pentry->prev; | |
7e111b6b | 520 | |
d62a17ae | 521 | prefix_list_entry_free(pentry); |
7e111b6b | 522 | |
d62a17ae | 523 | plist->count--; |
7e111b6b | 524 | |
d62a17ae | 525 | if (update_list) { |
526 | route_map_notify_dependencies(plist->name, | |
527 | RMAP_EVENT_PLIST_DELETED); | |
528 | if (plist->master->delete_hook) | |
529 | (*plist->master->delete_hook)(plist); | |
7e111b6b | 530 | |
d62a17ae | 531 | if (plist->head == NULL && plist->tail == NULL |
532 | && plist->desc == NULL) | |
533 | prefix_list_delete(plist); | |
534 | else | |
535 | plist->master->recent = plist; | |
536 | } | |
7e111b6b DL |
537 | } |
538 | ||
d62a17ae | 539 | static void trie_install_fn(struct prefix_list_entry *object, |
540 | struct prefix_list_entry **updptr) | |
541 | { | |
542 | while (*updptr) { | |
543 | if (*updptr == object) | |
544 | return; | |
545 | if ((*updptr)->prefix.prefixlen < object->prefix.prefixlen) | |
546 | break; | |
b4e55fc5 DL |
547 | if ((*updptr)->prefix.prefixlen == object->prefix.prefixlen |
548 | && (*updptr)->seq > object->seq) | |
d62a17ae | 549 | break; |
550 | updptr = &(*updptr)->next_best; | |
551 | } | |
552 | ||
553 | if (!object->next_best) | |
554 | object->next_best = *updptr; | |
555 | else | |
556 | assert(object->next_best == *updptr || !*updptr); | |
557 | ||
558 | *updptr = object; | |
559 | } | |
7e111b6b | 560 | |
d62a17ae | 561 | static void prefix_list_trie_add(struct prefix_list *plist, |
562 | struct prefix_list_entry *pentry) | |
718e3744 | 563 | { |
d62a17ae | 564 | size_t depth = plist->master->trie_depth; |
9eaec2ae | 565 | uint8_t *bytes = pentry->prefix.u.val; |
d62a17ae | 566 | size_t validbits = pentry->prefix.prefixlen; |
567 | struct pltrie_table *table; | |
568 | ||
569 | table = plist->trie; | |
570 | while (validbits > PLC_BITS && depth > 1) { | |
571 | if (!table->entries[*bytes].next_table) | |
572 | table->entries[*bytes].next_table = | |
573 | XCALLOC(MTYPE_PREFIX_LIST_TRIE, | |
574 | sizeof(struct pltrie_table)); | |
575 | table = table->entries[*bytes].next_table; | |
576 | bytes++; | |
577 | depth--; | |
578 | validbits -= PLC_BITS; | |
579 | } | |
a31ff449 | 580 | |
d62a17ae | 581 | trie_walk_affected(validbits, table, *bytes, pentry, trie_install_fn); |
582 | } | |
a31ff449 | 583 | |
d62a17ae | 584 | static void prefix_list_entry_add(struct prefix_list *plist, |
585 | struct prefix_list_entry *pentry) | |
586 | { | |
587 | struct prefix_list_entry *replace; | |
588 | struct prefix_list_entry *point; | |
718e3744 | 589 | |
d62a17ae | 590 | /* Automatic asignment of seq no. */ |
591 | if (pentry->seq == -1) | |
592 | pentry->seq = prefix_new_seq_get(plist); | |
718e3744 | 593 | |
d62a17ae | 594 | if (plist->tail && pentry->seq > plist->tail->seq) |
595 | point = NULL; | |
596 | else { | |
597 | /* Is there any same seq prefix list entry? */ | |
598 | replace = prefix_seq_check(plist, pentry->seq); | |
599 | if (replace) | |
600 | prefix_list_entry_delete(plist, replace, 0); | |
718e3744 | 601 | |
d62a17ae | 602 | /* Check insert point. */ |
603 | for (point = plist->head; point; point = point->next) | |
604 | if (point->seq >= pentry->seq) | |
605 | break; | |
606 | } | |
607 | ||
608 | /* In case of this is the first element of the list. */ | |
609 | pentry->next = point; | |
610 | ||
611 | if (point) { | |
612 | if (point->prev) | |
613 | point->prev->next = pentry; | |
614 | else | |
615 | plist->head = pentry; | |
616 | ||
617 | pentry->prev = point->prev; | |
618 | point->prev = pentry; | |
619 | } else { | |
620 | if (plist->tail) | |
621 | plist->tail->next = pentry; | |
622 | else | |
623 | plist->head = pentry; | |
624 | ||
625 | pentry->prev = plist->tail; | |
626 | plist->tail = pentry; | |
627 | } | |
718e3744 | 628 | |
d62a17ae | 629 | prefix_list_trie_add(plist, pentry); |
630 | ||
631 | /* Increment count. */ | |
632 | plist->count++; | |
633 | ||
634 | /* Run hook function. */ | |
635 | if (plist->master->add_hook) | |
636 | (*plist->master->add_hook)(plist); | |
637 | ||
638 | route_map_notify_dependencies(plist->name, RMAP_EVENT_PLIST_ADDED); | |
718e3744 | 639 | plist->master->recent = plist; |
718e3744 | 640 | } |
641 | ||
642 | /* Return string of prefix_list_type. */ | |
d62a17ae | 643 | static const char *prefix_list_type_str(struct prefix_list_entry *pentry) |
644 | { | |
645 | switch (pentry->type) { | |
646 | case PREFIX_PERMIT: | |
647 | return "permit"; | |
648 | case PREFIX_DENY: | |
649 | return "deny"; | |
650 | default: | |
651 | return ""; | |
652 | } | |
653 | } | |
654 | ||
655 | static int prefix_list_entry_match(struct prefix_list_entry *pentry, | |
123214ef | 656 | const struct prefix *p) |
d62a17ae | 657 | { |
658 | int ret; | |
659 | ||
4f374985 DS |
660 | if (pentry->prefix.family != p->family) |
661 | return 0; | |
662 | ||
d62a17ae | 663 | ret = prefix_match(&pentry->prefix, p); |
664 | if (!ret) | |
665 | return 0; | |
666 | ||
667 | /* In case of le nor ge is specified, exact match is performed. */ | |
668 | if (!pentry->le && !pentry->ge) { | |
669 | if (pentry->prefix.prefixlen != p->prefixlen) | |
670 | return 0; | |
671 | } else { | |
672 | if (pentry->le) | |
673 | if (p->prefixlen > pentry->le) | |
674 | return 0; | |
675 | ||
676 | if (pentry->ge) | |
677 | if (p->prefixlen < pentry->ge) | |
678 | return 0; | |
679 | } | |
680 | return 1; | |
681 | } | |
682 | ||
123214ef MS |
683 | enum prefix_list_type prefix_list_apply_which_prefix( |
684 | struct prefix_list *plist, | |
685 | const struct prefix **which, | |
686 | const void *object) | |
d62a17ae | 687 | { |
688 | struct prefix_list_entry *pentry, *pbest = NULL; | |
689 | ||
123214ef MS |
690 | const struct prefix *p = (const struct prefix *)object; |
691 | const uint8_t *byte = p->u.val; | |
d62a17ae | 692 | size_t depth; |
693 | size_t validbits = p->prefixlen; | |
694 | struct pltrie_table *table; | |
695 | ||
ce94edc7 DS |
696 | if (plist == NULL) { |
697 | if (which) | |
698 | *which = NULL; | |
d62a17ae | 699 | return PREFIX_DENY; |
ce94edc7 | 700 | } |
d62a17ae | 701 | |
ce94edc7 DS |
702 | if (plist->count == 0) { |
703 | if (which) | |
704 | *which = NULL; | |
d62a17ae | 705 | return PREFIX_PERMIT; |
ce94edc7 | 706 | } |
d62a17ae | 707 | |
708 | depth = plist->master->trie_depth; | |
709 | table = plist->trie; | |
710 | while (1) { | |
711 | for (pentry = table->entries[*byte].up_chain; pentry; | |
712 | pentry = pentry->next_best) { | |
713 | if (pbest && pbest->seq < pentry->seq) | |
714 | continue; | |
715 | if (prefix_list_entry_match(pentry, p)) | |
716 | pbest = pentry; | |
717 | } | |
718 | ||
719 | if (validbits <= PLC_BITS) | |
720 | break; | |
721 | validbits -= PLC_BITS; | |
722 | ||
723 | if (--depth) { | |
724 | if (!table->entries[*byte].next_table) | |
725 | break; | |
726 | ||
727 | table = table->entries[*byte].next_table; | |
728 | byte++; | |
729 | continue; | |
730 | } | |
731 | ||
732 | for (pentry = table->entries[*byte].final_chain; pentry; | |
733 | pentry = pentry->next_best) { | |
734 | if (pbest && pbest->seq < pentry->seq) | |
735 | continue; | |
736 | if (prefix_list_entry_match(pentry, p)) | |
737 | pbest = pentry; | |
738 | } | |
739 | break; | |
740 | } | |
741 | ||
ce94edc7 DS |
742 | if (which) { |
743 | if (pbest) | |
744 | *which = &pbest->prefix; | |
745 | else | |
746 | *which = NULL; | |
747 | } | |
748 | ||
d62a17ae | 749 | if (pbest == NULL) |
750 | return PREFIX_DENY; | |
751 | ||
0277936a | 752 | pbest->hitcnt++; |
d62a17ae | 753 | return pbest->type; |
754 | } | |
755 | ||
756 | static void __attribute__((unused)) prefix_list_print(struct prefix_list *plist) | |
757 | { | |
758 | struct prefix_list_entry *pentry; | |
759 | ||
760 | if (plist == NULL) | |
761 | return; | |
762 | ||
763 | printf("ip prefix-list %s: %d entries\n", plist->name, plist->count); | |
764 | ||
765 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
766 | if (pentry->any) | |
767 | printf("any %s\n", prefix_list_type_str(pentry)); | |
768 | else { | |
769 | struct prefix *p; | |
770 | char buf[BUFSIZ]; | |
771 | ||
772 | p = &pentry->prefix; | |
773 | ||
24512fbd | 774 | printf(" seq %" PRId64 " %s %s/%d", pentry->seq, |
d62a17ae | 775 | prefix_list_type_str(pentry), |
9eaec2ae | 776 | inet_ntop(p->family, p->u.val, buf, BUFSIZ), |
d62a17ae | 777 | p->prefixlen); |
778 | if (pentry->ge) | |
779 | printf(" ge %d", pentry->ge); | |
780 | if (pentry->le) | |
781 | printf(" le %d", pentry->le); | |
782 | printf("\n"); | |
783 | } | |
718e3744 | 784 | } |
718e3744 | 785 | } |
6b0655a2 | 786 | |
718e3744 | 787 | /* Retrun 1 when plist already include pentry policy. */ |
02ff83c5 | 788 | static struct prefix_list_entry * |
d62a17ae | 789 | prefix_entry_dup_check(struct prefix_list *plist, struct prefix_list_entry *new) |
790 | { | |
791 | size_t depth, maxdepth = plist->master->trie_depth; | |
9eaec2ae | 792 | uint8_t byte, *bytes = new->prefix.u.val; |
d62a17ae | 793 | size_t validbits = new->prefix.prefixlen; |
794 | struct pltrie_table *table; | |
795 | struct prefix_list_entry *pentry; | |
24512fbd | 796 | int64_t seq = 0; |
d62a17ae | 797 | |
798 | if (new->seq == -1) | |
799 | seq = prefix_new_seq_get(plist); | |
800 | else | |
801 | seq = new->seq; | |
802 | ||
803 | table = plist->trie; | |
804 | for (depth = 0; validbits > PLC_BITS && depth < maxdepth - 1; depth++) { | |
805 | byte = bytes[depth]; | |
806 | if (!table->entries[byte].next_table) | |
807 | return NULL; | |
808 | ||
809 | table = table->entries[byte].next_table; | |
810 | validbits -= PLC_BITS; | |
718e3744 | 811 | } |
718e3744 | 812 | |
d62a17ae | 813 | byte = bytes[depth]; |
814 | if (validbits > PLC_BITS) | |
815 | pentry = table->entries[byte].final_chain; | |
816 | else | |
817 | pentry = table->entries[byte].up_chain; | |
818 | ||
819 | for (; pentry; pentry = pentry->next_best) { | |
820 | if (prefix_same(&pentry->prefix, &new->prefix) | |
821 | && pentry->type == new->type && pentry->le == new->le | |
822 | && pentry->ge == new->ge && pentry->seq != seq) | |
823 | return pentry; | |
824 | } | |
825 | return NULL; | |
826 | } | |
827 | ||
828 | static int vty_invalid_prefix_range(struct vty *vty, const char *prefix) | |
829 | { | |
830 | vty_out(vty, | |
831 | "%% Invalid prefix range for %s, make sure: len < ge-value <= le-value\n", | |
832 | prefix); | |
833 | return CMD_WARNING_CONFIG_FAILED; | |
834 | } | |
835 | ||
836 | static int vty_prefix_list_install(struct vty *vty, afi_t afi, const char *name, | |
837 | const char *seq, const char *typestr, | |
838 | const char *prefix, const char *ge, | |
839 | const char *le) | |
840 | { | |
841 | int ret; | |
842 | enum prefix_list_type type; | |
843 | struct prefix_list *plist; | |
844 | struct prefix_list_entry *pentry; | |
845 | struct prefix_list_entry *dup; | |
846 | struct prefix p, p_tmp; | |
847 | int any = 0; | |
24512fbd | 848 | int64_t seqnum = -1; |
d62a17ae | 849 | int lenum = 0; |
850 | int genum = 0; | |
851 | ||
e59294e2 | 852 | if (name == NULL || prefix == NULL || typestr == NULL) { |
853 | vty_out(vty, "%% Missing prefix or type\n"); | |
854 | return CMD_WARNING_CONFIG_FAILED; | |
855 | } | |
856 | ||
d62a17ae | 857 | /* Sequential number. */ |
858 | if (seq) | |
24512fbd | 859 | seqnum = (int64_t)atol(seq); |
d62a17ae | 860 | |
861 | /* ge and le number */ | |
862 | if (ge) | |
863 | genum = atoi(ge); | |
864 | if (le) | |
865 | lenum = atoi(le); | |
866 | ||
867 | /* Check filter type. */ | |
868 | if (strncmp("permit", typestr, 1) == 0) | |
869 | type = PREFIX_PERMIT; | |
870 | else if (strncmp("deny", typestr, 1) == 0) | |
871 | type = PREFIX_DENY; | |
872 | else { | |
873 | vty_out(vty, "%% prefix type must be permit or deny\n"); | |
874 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 875 | } |
ddb13fd3 | 876 | |
d62a17ae | 877 | /* "any" is special token for matching any IPv4 addresses. */ |
878 | switch (afi) { | |
879 | case AFI_IP: | |
880 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
881 | ret = str2prefix_ipv4("0.0.0.0/0", | |
882 | (struct prefix_ipv4 *)&p); | |
883 | genum = 0; | |
884 | lenum = IPV4_MAX_BITLEN; | |
885 | any = 1; | |
886 | } else | |
887 | ret = str2prefix_ipv4(prefix, (struct prefix_ipv4 *)&p); | |
888 | ||
889 | if (ret <= 0) { | |
890 | vty_out(vty, "%% Malformed IPv4 prefix\n"); | |
891 | return CMD_WARNING_CONFIG_FAILED; | |
892 | } | |
893 | ||
894 | /* make a copy to verify prefix matches mask length */ | |
895 | prefix_copy(&p_tmp, &p); | |
896 | apply_mask_ipv4((struct prefix_ipv4 *)&p_tmp); | |
897 | ||
898 | break; | |
899 | case AFI_IP6: | |
900 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
901 | ret = str2prefix_ipv6("::/0", (struct prefix_ipv6 *)&p); | |
902 | genum = 0; | |
903 | lenum = IPV6_MAX_BITLEN; | |
904 | any = 1; | |
905 | } else | |
906 | ret = str2prefix_ipv6(prefix, (struct prefix_ipv6 *)&p); | |
907 | ||
908 | if (ret <= 0) { | |
909 | vty_out(vty, "%% Malformed IPv6 prefix\n"); | |
910 | return CMD_WARNING_CONFIG_FAILED; | |
911 | } | |
912 | ||
913 | /* make a copy to verify prefix matches mask length */ | |
914 | prefix_copy(&p_tmp, &p); | |
915 | apply_mask_ipv6((struct prefix_ipv6 *)&p_tmp); | |
916 | ||
917 | break; | |
918 | case AFI_L2VPN: | |
919 | default: | |
920 | vty_out(vty, "%% Unrecognized AFI (%d)\n", afi); | |
921 | return CMD_WARNING_CONFIG_FAILED; | |
922 | break; | |
718e3744 | 923 | } |
718e3744 | 924 | |
d62a17ae | 925 | /* If prefix has bits not under the mask, adjust it to fit */ |
926 | if (!prefix_same(&p_tmp, &p)) { | |
927 | char buf[PREFIX2STR_BUFFER]; | |
928 | char buf_tmp[PREFIX2STR_BUFFER]; | |
929 | prefix2str(&p, buf, sizeof(buf)); | |
930 | prefix2str(&p_tmp, buf_tmp, sizeof(buf_tmp)); | |
0e411ce6 DS |
931 | vty_out(vty, |
932 | "%% Prefix-list %s prefix changed from %s to %s to match length\n", | |
d62a17ae | 933 | name, buf, buf_tmp); |
ade6974d QY |
934 | zlog_info( |
935 | "Prefix-list %s prefix changed from %s to %s to match length", | |
936 | name, buf, buf_tmp); | |
d62a17ae | 937 | p = p_tmp; |
718e3744 | 938 | } |
ddb13fd3 | 939 | |
d62a17ae | 940 | /* ge and le check. */ |
941 | if (genum && (genum <= p.prefixlen)) | |
942 | return vty_invalid_prefix_range(vty, prefix); | |
943 | ||
4015e918 | 944 | if (lenum && (lenum < p.prefixlen)) |
d62a17ae | 945 | return vty_invalid_prefix_range(vty, prefix); |
946 | ||
947 | if (lenum && (genum > lenum)) | |
948 | return vty_invalid_prefix_range(vty, prefix); | |
949 | ||
950 | if (genum && (lenum == (afi == AFI_IP ? 32 : 128))) | |
951 | lenum = 0; | |
952 | ||
953 | /* Get prefix_list with name. */ | |
954 | plist = prefix_list_get(afi, 0, name); | |
955 | ||
956 | /* Make prefix entry. */ | |
957 | pentry = prefix_list_entry_make(&p, type, seqnum, lenum, genum, any); | |
958 | ||
959 | /* Check same policy. */ | |
960 | dup = prefix_entry_dup_check(plist, pentry); | |
961 | ||
962 | if (dup) { | |
963 | prefix_list_entry_free(pentry); | |
964 | return CMD_SUCCESS; | |
718e3744 | 965 | } |
718e3744 | 966 | |
d62a17ae | 967 | /* Install new filter to the access_list. */ |
968 | prefix_list_entry_add(plist, pentry); | |
969 | ||
970 | return CMD_SUCCESS; | |
971 | } | |
972 | ||
973 | static int vty_prefix_list_uninstall(struct vty *vty, afi_t afi, | |
974 | const char *name, const char *seq, | |
975 | const char *typestr, const char *prefix, | |
976 | const char *ge, const char *le) | |
977 | { | |
978 | int ret; | |
979 | enum prefix_list_type type; | |
980 | struct prefix_list *plist; | |
981 | struct prefix_list_entry *pentry; | |
982 | struct prefix p; | |
24512fbd | 983 | int64_t seqnum = -1; |
d62a17ae | 984 | int lenum = 0; |
985 | int genum = 0; | |
986 | ||
987 | /* Check prefix list name. */ | |
988 | plist = prefix_list_lookup(afi, name); | |
989 | if (!plist) { | |
990 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
991 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 992 | } |
d62a17ae | 993 | |
994 | /* Only prefix-list name specified, delete the entire prefix-list. */ | |
995 | if (seq == NULL && typestr == NULL && prefix == NULL && ge == NULL | |
996 | && le == NULL) { | |
997 | prefix_list_delete(plist); | |
998 | return CMD_SUCCESS; | |
718e3744 | 999 | } |
718e3744 | 1000 | |
d62a17ae | 1001 | /* Check sequence number. */ |
1002 | if (seq) | |
24512fbd | 1003 | seqnum = (int64_t)atol(seq); |
d62a17ae | 1004 | |
7e200e86 DA |
1005 | /* Sequence number specified, but nothing else. */ |
1006 | if (seq && typestr == NULL && prefix == NULL && ge == NULL | |
1007 | && le == NULL) { | |
1008 | pentry = prefix_seq_check(plist, seqnum); | |
1009 | ||
1010 | if (pentry == NULL) { | |
1011 | vty_out(vty, | |
9a8a7b0e | 1012 | "%% Can't find prefix-list %s with sequence number %" PRIu64 "\n", |
7e200e86 DA |
1013 | name, seqnum); |
1014 | return CMD_WARNING_CONFIG_FAILED; | |
1015 | } | |
1016 | ||
1017 | prefix_list_entry_delete(plist, pentry, 1); | |
1018 | return CMD_SUCCESS; | |
1019 | } | |
1020 | ||
d62a17ae | 1021 | /* ge and le number */ |
1022 | if (ge) | |
1023 | genum = atoi(ge); | |
1024 | if (le) | |
1025 | lenum = atoi(le); | |
1026 | ||
7e200e86 DA |
1027 | /* We must have, at a minimum, both the type and prefix here */ |
1028 | if ((typestr == NULL) || (prefix == NULL)) | |
1029 | return CMD_WARNING_CONFIG_FAILED; | |
1030 | ||
d62a17ae | 1031 | /* Check of filter type. */ |
1032 | if (strncmp("permit", typestr, 1) == 0) | |
1033 | type = PREFIX_PERMIT; | |
1034 | else if (strncmp("deny", typestr, 1) == 0) | |
1035 | type = PREFIX_DENY; | |
1036 | else { | |
1037 | vty_out(vty, "%% prefix type must be permit or deny\n"); | |
1038 | return CMD_WARNING_CONFIG_FAILED; | |
1039 | } | |
718e3744 | 1040 | |
d62a17ae | 1041 | /* "any" is special token for matching any IPv4 addresses. */ |
1042 | if (afi == AFI_IP) { | |
1043 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
1044 | ret = str2prefix_ipv4("0.0.0.0/0", | |
1045 | (struct prefix_ipv4 *)&p); | |
1046 | genum = 0; | |
1047 | lenum = IPV4_MAX_BITLEN; | |
1048 | } else | |
1049 | ret = str2prefix_ipv4(prefix, (struct prefix_ipv4 *)&p); | |
1050 | ||
1051 | if (ret <= 0) { | |
1052 | vty_out(vty, "%% Malformed IPv4 prefix\n"); | |
1053 | return CMD_WARNING_CONFIG_FAILED; | |
1054 | } | |
1055 | } else if (afi == AFI_IP6) { | |
1056 | if (strncmp("any", prefix, strlen(prefix)) == 0) { | |
1057 | ret = str2prefix_ipv6("::/0", (struct prefix_ipv6 *)&p); | |
1058 | genum = 0; | |
1059 | lenum = IPV6_MAX_BITLEN; | |
1060 | } else | |
1061 | ret = str2prefix_ipv6(prefix, (struct prefix_ipv6 *)&p); | |
1062 | ||
1063 | if (ret <= 0) { | |
1064 | vty_out(vty, "%% Malformed IPv6 prefix\n"); | |
1065 | return CMD_WARNING_CONFIG_FAILED; | |
1066 | } | |
1067 | } | |
718e3744 | 1068 | |
d62a17ae | 1069 | /* Lookup prefix entry. */ |
1070 | pentry = | |
1071 | prefix_list_entry_lookup(plist, &p, type, seqnum, lenum, genum); | |
718e3744 | 1072 | |
d62a17ae | 1073 | if (pentry == NULL) { |
1074 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1075 | return CMD_WARNING_CONFIG_FAILED; | |
1076 | } | |
1077 | ||
1078 | /* Install new filter to the access_list. */ | |
1079 | prefix_list_entry_delete(plist, pentry, 1); | |
1080 | ||
1081 | return CMD_SUCCESS; | |
718e3744 | 1082 | } |
1083 | ||
d62a17ae | 1084 | static int vty_prefix_list_desc_unset(struct vty *vty, afi_t afi, |
1085 | const char *name) | |
718e3744 | 1086 | { |
d62a17ae | 1087 | struct prefix_list *plist; |
718e3744 | 1088 | |
d62a17ae | 1089 | plist = prefix_list_lookup(afi, name); |
1090 | if (!plist) { | |
1091 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1092 | return CMD_WARNING_CONFIG_FAILED; | |
1093 | } | |
718e3744 | 1094 | |
e1b36e13 | 1095 | XFREE(MTYPE_TMP, plist->desc); |
718e3744 | 1096 | |
d62a17ae | 1097 | if (plist->head == NULL && plist->tail == NULL && plist->desc == NULL) |
1098 | prefix_list_delete(plist); | |
718e3744 | 1099 | |
d62a17ae | 1100 | return CMD_SUCCESS; |
718e3744 | 1101 | } |
1102 | ||
d62a17ae | 1103 | enum display_type { |
1104 | normal_display, | |
1105 | summary_display, | |
1106 | detail_display, | |
1107 | sequential_display, | |
1108 | longer_display, | |
1109 | first_match_display | |
718e3744 | 1110 | }; |
1111 | ||
d62a17ae | 1112 | static void vty_show_prefix_entry(struct vty *vty, afi_t afi, |
1113 | struct prefix_list *plist, | |
1114 | struct prefix_master *master, | |
1115 | enum display_type dtype, int seqnum) | |
1116 | { | |
1117 | struct prefix_list_entry *pentry; | |
1118 | ||
1119 | /* Print the name of the protocol */ | |
1120 | vty_out(vty, "%s: ", frr_protoname); | |
1121 | ||
1122 | if (dtype == normal_display) { | |
1123 | vty_out(vty, "ip%s prefix-list %s: %d entries\n", | |
1124 | afi == AFI_IP ? "" : "v6", plist->name, plist->count); | |
1125 | if (plist->desc) | |
1126 | vty_out(vty, " Description: %s\n", plist->desc); | |
1127 | } else if (dtype == summary_display || dtype == detail_display) { | |
1128 | vty_out(vty, "ip%s prefix-list %s:\n", | |
1129 | afi == AFI_IP ? "" : "v6", plist->name); | |
1130 | ||
1131 | if (plist->desc) | |
1132 | vty_out(vty, " Description: %s\n", plist->desc); | |
1133 | ||
1134 | vty_out(vty, | |
24512fbd | 1135 | " count: %d, range entries: %d, sequences: %" PRId64 " - %" PRId64 "\n", |
d62a17ae | 1136 | plist->count, plist->rangecount, |
1137 | plist->head ? plist->head->seq : 0, | |
1138 | plist->tail ? plist->tail->seq : 0); | |
718e3744 | 1139 | } |
718e3744 | 1140 | |
d62a17ae | 1141 | if (dtype != summary_display) { |
1142 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1143 | if (dtype == sequential_display | |
1144 | && pentry->seq != seqnum) | |
1145 | continue; | |
718e3744 | 1146 | |
d62a17ae | 1147 | vty_out(vty, " "); |
718e3744 | 1148 | |
d62a17ae | 1149 | if (master->seqnum) |
24512fbd | 1150 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
718e3744 | 1151 | |
d62a17ae | 1152 | vty_out(vty, "%s ", prefix_list_type_str(pentry)); |
718e3744 | 1153 | |
d62a17ae | 1154 | if (pentry->any) |
1155 | vty_out(vty, "any"); | |
1156 | else { | |
1157 | struct prefix *p = &pentry->prefix; | |
1158 | char buf[BUFSIZ]; | |
1159 | ||
1160 | vty_out(vty, "%s/%d", | |
9eaec2ae | 1161 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1162 | BUFSIZ), |
1163 | p->prefixlen); | |
1164 | ||
1165 | if (pentry->ge) | |
1166 | vty_out(vty, " ge %d", pentry->ge); | |
1167 | if (pentry->le) | |
1168 | vty_out(vty, " le %d", pentry->le); | |
1169 | } | |
1170 | ||
1171 | if (dtype == detail_display | |
1172 | || dtype == sequential_display) | |
1173 | vty_out(vty, " (hit count: %ld, refcount: %ld)", | |
1174 | pentry->hitcnt, pentry->refcnt); | |
1175 | ||
1176 | vty_out(vty, "\n"); | |
1177 | } | |
718e3744 | 1178 | } |
718e3744 | 1179 | } |
1180 | ||
d62a17ae | 1181 | static int vty_show_prefix_list(struct vty *vty, afi_t afi, const char *name, |
1182 | const char *seq, enum display_type dtype) | |
1183 | { | |
1184 | struct prefix_list *plist; | |
1185 | struct prefix_master *master; | |
24512fbd | 1186 | int64_t seqnum = 0; |
d62a17ae | 1187 | |
1188 | master = prefix_master_get(afi, 0); | |
1189 | if (master == NULL) | |
1190 | return CMD_WARNING; | |
1191 | ||
1192 | if (seq) | |
24512fbd | 1193 | seqnum = (int64_t)atol(seq); |
d62a17ae | 1194 | |
1195 | if (name) { | |
1196 | plist = prefix_list_lookup(afi, name); | |
1197 | if (!plist) { | |
1198 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1199 | return CMD_WARNING; | |
1200 | } | |
1201 | vty_show_prefix_entry(vty, afi, plist, master, dtype, seqnum); | |
1202 | } else { | |
1203 | if (dtype == detail_display || dtype == summary_display) { | |
1204 | if (master->recent) | |
1205 | vty_out(vty, | |
1206 | "Prefix-list with the last deletion/insertion: %s\n", | |
1207 | master->recent->name); | |
1208 | } | |
1209 | ||
1210 | for (plist = master->num.head; plist; plist = plist->next) | |
1211 | vty_show_prefix_entry(vty, afi, plist, master, dtype, | |
1212 | seqnum); | |
1213 | ||
1214 | for (plist = master->str.head; plist; plist = plist->next) | |
1215 | vty_show_prefix_entry(vty, afi, plist, master, dtype, | |
1216 | seqnum); | |
1217 | } | |
718e3744 | 1218 | |
d62a17ae | 1219 | return CMD_SUCCESS; |
1220 | } | |
718e3744 | 1221 | |
d62a17ae | 1222 | static int vty_show_prefix_list_prefix(struct vty *vty, afi_t afi, |
1223 | const char *name, const char *prefix, | |
1224 | enum display_type type) | |
1225 | { | |
1226 | struct prefix_list *plist; | |
1227 | struct prefix_list_entry *pentry; | |
1228 | struct prefix p; | |
1229 | int ret; | |
1230 | int match; | |
718e3744 | 1231 | |
d62a17ae | 1232 | plist = prefix_list_lookup(afi, name); |
1233 | if (!plist) { | |
1234 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1235 | return CMD_WARNING; | |
718e3744 | 1236 | } |
1237 | ||
d62a17ae | 1238 | ret = str2prefix(prefix, &p); |
1239 | if (ret <= 0) { | |
1240 | vty_out(vty, "%% prefix is malformed\n"); | |
1241 | return CMD_WARNING; | |
718e3744 | 1242 | } |
1243 | ||
d62a17ae | 1244 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
1245 | match = 0; | |
1246 | ||
1247 | if (type == normal_display || type == first_match_display) | |
1248 | if (prefix_same(&p, &pentry->prefix)) | |
1249 | match = 1; | |
1250 | ||
4f374985 | 1251 | if (type == longer_display) { |
996c9314 LB |
1252 | if ((p.family == pentry->prefix.family) |
1253 | && (prefix_match(&p, &pentry->prefix))) | |
d62a17ae | 1254 | match = 1; |
4f374985 | 1255 | } |
d62a17ae | 1256 | |
1257 | if (match) { | |
24512fbd | 1258 | vty_out(vty, " seq %" PRId64 " %s ", pentry->seq, |
d62a17ae | 1259 | prefix_list_type_str(pentry)); |
1260 | ||
1261 | if (pentry->any) | |
1262 | vty_out(vty, "any"); | |
1263 | else { | |
7fe96307 | 1264 | struct prefix *pf = &pentry->prefix; |
d62a17ae | 1265 | char buf[BUFSIZ]; |
1266 | ||
1267 | vty_out(vty, "%s/%d", | |
7fe96307 | 1268 | inet_ntop(pf->family, pf->u.val, buf, |
d62a17ae | 1269 | BUFSIZ), |
7fe96307 | 1270 | pf->prefixlen); |
d62a17ae | 1271 | |
1272 | if (pentry->ge) | |
1273 | vty_out(vty, " ge %d", pentry->ge); | |
1274 | if (pentry->le) | |
1275 | vty_out(vty, " le %d", pentry->le); | |
1276 | } | |
1277 | ||
1278 | if (type == normal_display | |
1279 | || type == first_match_display) | |
1280 | vty_out(vty, " (hit count: %ld, refcount: %ld)", | |
1281 | pentry->hitcnt, pentry->refcnt); | |
1282 | ||
1283 | vty_out(vty, "\n"); | |
1284 | ||
1285 | if (type == first_match_display) | |
1286 | return CMD_SUCCESS; | |
1287 | } | |
718e3744 | 1288 | } |
d62a17ae | 1289 | return CMD_SUCCESS; |
1290 | } | |
1291 | ||
1292 | static int vty_clear_prefix_list(struct vty *vty, afi_t afi, const char *name, | |
1293 | const char *prefix) | |
1294 | { | |
1295 | struct prefix_master *master; | |
1296 | struct prefix_list *plist; | |
1297 | struct prefix_list_entry *pentry; | |
1298 | int ret; | |
1299 | struct prefix p; | |
1300 | ||
1301 | master = prefix_master_get(afi, 0); | |
1302 | if (master == NULL) | |
1303 | return CMD_WARNING; | |
1304 | ||
1305 | if (name == NULL && prefix == NULL) { | |
1306 | for (plist = master->num.head; plist; plist = plist->next) | |
1307 | for (pentry = plist->head; pentry; | |
1308 | pentry = pentry->next) | |
1309 | pentry->hitcnt = 0; | |
1310 | ||
1311 | for (plist = master->str.head; plist; plist = plist->next) | |
1312 | for (pentry = plist->head; pentry; | |
1313 | pentry = pentry->next) | |
1314 | pentry->hitcnt = 0; | |
1315 | } else { | |
1316 | plist = prefix_list_lookup(afi, name); | |
1317 | if (!plist) { | |
1318 | vty_out(vty, "%% Can't find specified prefix-list\n"); | |
1319 | return CMD_WARNING; | |
1320 | } | |
1321 | ||
1322 | if (prefix) { | |
1323 | ret = str2prefix(prefix, &p); | |
1324 | if (ret <= 0) { | |
1325 | vty_out(vty, "%% prefix is malformed\n"); | |
1326 | return CMD_WARNING; | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1331 | if (prefix) { | |
996c9314 LB |
1332 | if (pentry->prefix.family == p.family |
1333 | && prefix_match(&pentry->prefix, &p)) | |
d62a17ae | 1334 | pentry->hitcnt = 0; |
1335 | } else | |
1336 | pentry->hitcnt = 0; | |
1337 | } | |
1338 | } | |
1339 | return CMD_SUCCESS; | |
718e3744 | 1340 | } |
6b0655a2 | 1341 | |
6cdff321 | 1342 | #ifndef VTYSH_EXTRACT_PL |
2e4c2296 | 1343 | #include "lib/plist_clippy.c" |
6cdff321 DL |
1344 | #endif |
1345 | ||
1346 | DEFPY (ip_prefix_list, | |
1347 | ip_prefix_list_cmd, | |
1348 | "ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>", | |
1349 | IP_STR | |
718e3744 | 1350 | PREFIX_LIST_STR |
1351 | "Name of a prefix list\n" | |
1352 | "sequence number of an entry\n" | |
1353 | "Sequence number\n" | |
1354 | "Specify packets to reject\n" | |
1355 | "Specify packets to forward\n" | |
6cdff321 DL |
1356 | "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n" |
1357 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
1358 | "Minimum prefix length to be matched\n" | |
1359 | "Minimum prefix length\n" | |
718e3744 | 1360 | "Maximum prefix length to be matched\n" |
1361 | "Maximum prefix length\n") | |
1362 | { | |
d62a17ae | 1363 | return vty_prefix_list_install(vty, AFI_IP, prefix_list, seq_str, |
1364 | action, dest, ge_str, le_str); | |
718e3744 | 1365 | } |
1366 | ||
6cdff321 DL |
1367 | DEFPY (no_ip_prefix_list, |
1368 | no_ip_prefix_list_cmd, | |
1369 | "no ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>", | |
1370 | NO_STR | |
1371 | IP_STR | |
718e3744 | 1372 | PREFIX_LIST_STR |
1373 | "Name of a prefix list\n" | |
1374 | "sequence number of an entry\n" | |
1375 | "Sequence number\n" | |
1376 | "Specify packets to reject\n" | |
1377 | "Specify packets to forward\n" | |
6cdff321 DL |
1378 | "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n" |
1379 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" | |
718e3744 | 1380 | "Minimum prefix length to be matched\n" |
6cdff321 DL |
1381 | "Minimum prefix length\n" |
1382 | "Maximum prefix length to be matched\n" | |
1383 | "Maximum prefix length\n") | |
718e3744 | 1384 | { |
d62a17ae | 1385 | return vty_prefix_list_uninstall(vty, AFI_IP, prefix_list, seq_str, |
1386 | action, dest, ge_str, le_str); | |
718e3744 | 1387 | } |
1388 | ||
7e200e86 DA |
1389 | DEFPY(no_ip_prefix_list_seq, no_ip_prefix_list_seq_cmd, |
1390 | "no ip prefix-list WORD seq (1-4294967295)", | |
1391 | NO_STR IP_STR PREFIX_LIST_STR | |
1392 | "Name of a prefix list\n" | |
1393 | "sequence number of an entry\n" | |
1394 | "Sequence number\n") | |
1395 | { | |
1396 | return vty_prefix_list_uninstall(vty, AFI_IP, prefix_list, seq_str, | |
1397 | NULL, NULL, NULL, NULL); | |
1398 | } | |
1399 | ||
6cdff321 DL |
1400 | DEFPY (no_ip_prefix_list_all, |
1401 | no_ip_prefix_list_all_cmd, | |
1402 | "no ip prefix-list WORD", | |
718e3744 | 1403 | NO_STR |
6cdff321 | 1404 | IP_STR |
718e3744 | 1405 | PREFIX_LIST_STR |
1406 | "Name of a prefix list\n") | |
1407 | { | |
d62a17ae | 1408 | return vty_prefix_list_uninstall(vty, AFI_IP, prefix_list, NULL, NULL, |
1409 | NULL, NULL, NULL); | |
718e3744 | 1410 | } |
1411 | ||
6cdff321 DL |
1412 | DEFPY (ip_prefix_list_sequence_number, |
1413 | ip_prefix_list_sequence_number_cmd, | |
1414 | "[no] ip prefix-list sequence-number", | |
718e3744 | 1415 | NO_STR |
6cdff321 | 1416 | IP_STR |
718e3744 | 1417 | PREFIX_LIST_STR |
6cdff321 | 1418 | "Include/exclude sequence numbers in NVGEN\n") |
718e3744 | 1419 | { |
e11d84ad | 1420 | prefix_master_ipv4.seqnum = no ? false : true; |
d62a17ae | 1421 | return CMD_SUCCESS; |
718e3744 | 1422 | } |
1423 | ||
6cdff321 DL |
1424 | DEFUN (ip_prefix_list_description, |
1425 | ip_prefix_list_description_cmd, | |
1426 | "ip prefix-list WORD description LINE...", | |
1427 | IP_STR | |
718e3744 | 1428 | PREFIX_LIST_STR |
1429 | "Name of a prefix list\n" | |
6cdff321 DL |
1430 | "Prefix-list specific description\n" |
1431 | "Up to 80 characters describing this prefix-list\n") | |
718e3744 | 1432 | { |
d62a17ae | 1433 | int idx_word = 2; |
1434 | int idx_line = 4; | |
1435 | struct prefix_list *plist; | |
1436 | ||
1437 | plist = prefix_list_get(AFI_IP, 0, argv[idx_word]->arg); | |
6cdff321 | 1438 | |
d62a17ae | 1439 | if (plist->desc) { |
1440 | XFREE(MTYPE_TMP, plist->desc); | |
1441 | plist->desc = NULL; | |
1442 | } | |
1443 | plist->desc = argv_concat(argv, argc, idx_line); | |
6cdff321 | 1444 | |
d62a17ae | 1445 | return CMD_SUCCESS; |
718e3744 | 1446 | } |
1447 | ||
6cdff321 DL |
1448 | DEFUN (no_ip_prefix_list_description, |
1449 | no_ip_prefix_list_description_cmd, | |
1450 | "no ip prefix-list WORD description", | |
718e3744 | 1451 | NO_STR |
6cdff321 | 1452 | IP_STR |
718e3744 | 1453 | PREFIX_LIST_STR |
1454 | "Name of a prefix list\n" | |
6cdff321 | 1455 | "Prefix-list specific description\n") |
718e3744 | 1456 | { |
d62a17ae | 1457 | int idx_word = 3; |
1458 | return vty_prefix_list_desc_unset(vty, AFI_IP, argv[idx_word]->arg); | |
718e3744 | 1459 | } |
1460 | ||
6cdff321 DL |
1461 | /* ALIAS_FIXME */ |
1462 | DEFUN (no_ip_prefix_list_description_comment, | |
1463 | no_ip_prefix_list_description_comment_cmd, | |
1464 | "no ip prefix-list WORD description LINE...", | |
718e3744 | 1465 | NO_STR |
6cdff321 | 1466 | IP_STR |
718e3744 | 1467 | PREFIX_LIST_STR |
1468 | "Name of a prefix list\n" | |
6cdff321 DL |
1469 | "Prefix-list specific description\n" |
1470 | "Up to 80 characters describing this prefix-list\n") | |
718e3744 | 1471 | { |
d62a17ae | 1472 | return no_ip_prefix_list_description(self, vty, argc, argv); |
718e3744 | 1473 | } |
1474 | ||
6cdff321 DL |
1475 | DEFPY (show_ip_prefix_list, |
1476 | show_ip_prefix_list_cmd, | |
1477 | "show ip prefix-list [WORD [seq$dseq (1-4294967295)$arg]]", | |
1478 | SHOW_STR | |
1479 | IP_STR | |
718e3744 | 1480 | PREFIX_LIST_STR |
1481 | "Name of a prefix list\n" | |
6cdff321 DL |
1482 | "sequence number of an entry\n" |
1483 | "Sequence number\n") | |
718e3744 | 1484 | { |
d62a17ae | 1485 | enum display_type dtype = normal_display; |
1486 | if (dseq) | |
1487 | dtype = sequential_display; | |
6cdff321 | 1488 | |
d62a17ae | 1489 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, arg_str, dtype); |
718e3744 | 1490 | } |
1491 | ||
6cdff321 DL |
1492 | DEFPY (show_ip_prefix_list_prefix, |
1493 | show_ip_prefix_list_prefix_cmd, | |
1494 | "show ip prefix-list WORD A.B.C.D/M$prefix [longer$dl|first-match$dfm]", | |
1495 | SHOW_STR | |
1496 | IP_STR | |
718e3744 | 1497 | PREFIX_LIST_STR |
1498 | "Name of a prefix list\n" | |
6cdff321 DL |
1499 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" |
1500 | "Lookup longer prefix\n" | |
1501 | "First matched prefix\n") | |
718e3744 | 1502 | { |
d62a17ae | 1503 | enum display_type dtype = normal_display; |
1504 | if (dl) | |
1505 | dtype = longer_display; | |
1506 | else if (dfm) | |
1507 | dtype = first_match_display; | |
6cdff321 | 1508 | |
d62a17ae | 1509 | return vty_show_prefix_list_prefix(vty, AFI_IP, prefix_list, prefix_str, |
1510 | dtype); | |
718e3744 | 1511 | } |
1512 | ||
6cdff321 DL |
1513 | DEFPY (show_ip_prefix_list_summary, |
1514 | show_ip_prefix_list_summary_cmd, | |
1515 | "show ip prefix-list summary [WORD$prefix_list]", | |
1516 | SHOW_STR | |
1517 | IP_STR | |
718e3744 | 1518 | PREFIX_LIST_STR |
6cdff321 DL |
1519 | "Summary of prefix lists\n" |
1520 | "Name of a prefix list\n") | |
718e3744 | 1521 | { |
d62a17ae | 1522 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, NULL, |
1523 | summary_display); | |
718e3744 | 1524 | } |
1525 | ||
6cdff321 DL |
1526 | DEFPY (show_ip_prefix_list_detail, |
1527 | show_ip_prefix_list_detail_cmd, | |
1528 | "show ip prefix-list detail [WORD$prefix_list]", | |
1529 | SHOW_STR | |
1530 | IP_STR | |
1531 | PREFIX_LIST_STR | |
1532 | "Detail of prefix lists\n" | |
1533 | "Name of a prefix list\n") | |
1534 | { | |
d62a17ae | 1535 | return vty_show_prefix_list(vty, AFI_IP, prefix_list, NULL, |
1536 | detail_display); | |
6cdff321 DL |
1537 | } |
1538 | ||
1539 | DEFPY (clear_ip_prefix_list, | |
1540 | clear_ip_prefix_list_cmd, | |
1541 | "clear ip prefix-list [WORD [A.B.C.D/M$prefix]]", | |
1542 | CLEAR_STR | |
1543 | IP_STR | |
718e3744 | 1544 | PREFIX_LIST_STR |
1545 | "Name of a prefix list\n" | |
6cdff321 | 1546 | "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n") |
718e3744 | 1547 | { |
d62a17ae | 1548 | return vty_clear_prefix_list(vty, AFI_IP, prefix_list, prefix_str); |
6cdff321 DL |
1549 | } |
1550 | ||
1551 | DEFPY (ipv6_prefix_list, | |
1552 | ipv6_prefix_list_cmd, | |
1553 | "ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>", | |
718e3744 | 1554 | IPV6_STR |
1555 | PREFIX_LIST_STR | |
1556 | "Name of a prefix list\n" | |
1557 | "sequence number of an entry\n" | |
1558 | "Sequence number\n" | |
1559 | "Specify packets to reject\n" | |
1560 | "Specify packets to forward\n" | |
6cdff321 | 1561 | "Any prefix match. Same as \"::0/0 le 128\"\n" |
718e3744 | 1562 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" |
1563 | "Maximum prefix length to be matched\n" | |
6cdff321 DL |
1564 | "Maximum prefix length\n" |
1565 | "Minimum prefix length to be matched\n" | |
1566 | "Minimum prefix length\n") | |
718e3744 | 1567 | { |
d62a17ae | 1568 | return vty_prefix_list_install(vty, AFI_IP6, prefix_list, seq_str, |
1569 | action, dest, ge_str, le_str); | |
718e3744 | 1570 | } |
1571 | ||
6cdff321 DL |
1572 | DEFPY (no_ipv6_prefix_list, |
1573 | no_ipv6_prefix_list_cmd, | |
1574 | "no ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>", | |
718e3744 | 1575 | NO_STR |
1576 | IPV6_STR | |
1577 | PREFIX_LIST_STR | |
1578 | "Name of a prefix list\n" | |
1579 | "sequence number of an entry\n" | |
1580 | "Sequence number\n" | |
1581 | "Specify packets to reject\n" | |
1582 | "Specify packets to forward\n" | |
6cdff321 | 1583 | "Any prefix match. Same as \"::0/0 le 128\"\n" |
718e3744 | 1584 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" |
1585 | "Maximum prefix length to be matched\n" | |
1586 | "Maximum prefix length\n" | |
1587 | "Minimum prefix length to be matched\n" | |
1588 | "Minimum prefix length\n") | |
1589 | { | |
d62a17ae | 1590 | return vty_prefix_list_uninstall(vty, AFI_IP6, prefix_list, seq_str, |
1591 | action, dest, ge_str, le_str); | |
718e3744 | 1592 | } |
1593 | ||
6cdff321 DL |
1594 | DEFPY (no_ipv6_prefix_list_all, |
1595 | no_ipv6_prefix_list_all_cmd, | |
1596 | "no ipv6 prefix-list WORD", | |
1597 | NO_STR | |
718e3744 | 1598 | IPV6_STR |
1599 | PREFIX_LIST_STR | |
6cdff321 | 1600 | "Name of a prefix list\n") |
718e3744 | 1601 | { |
d62a17ae | 1602 | return vty_prefix_list_uninstall(vty, AFI_IP6, prefix_list, NULL, NULL, |
1603 | NULL, NULL, NULL); | |
718e3744 | 1604 | } |
1605 | ||
6cdff321 DL |
1606 | DEFPY (ipv6_prefix_list_sequence_number, |
1607 | ipv6_prefix_list_sequence_number_cmd, | |
1608 | "[no] ipv6 prefix-list sequence-number", | |
718e3744 | 1609 | NO_STR |
1610 | IPV6_STR | |
1611 | PREFIX_LIST_STR | |
1612 | "Include/exclude sequence numbers in NVGEN\n") | |
1613 | { | |
e11d84ad | 1614 | prefix_master_ipv6.seqnum = no ? false : true; |
d62a17ae | 1615 | return CMD_SUCCESS; |
718e3744 | 1616 | } |
1617 | ||
1618 | DEFUN (ipv6_prefix_list_description, | |
1619 | ipv6_prefix_list_description_cmd, | |
e961923c | 1620 | "ipv6 prefix-list WORD description LINE...", |
718e3744 | 1621 | IPV6_STR |
1622 | PREFIX_LIST_STR | |
1623 | "Name of a prefix list\n" | |
1624 | "Prefix-list specific description\n" | |
1625 | "Up to 80 characters describing this prefix-list\n") | |
1626 | { | |
d62a17ae | 1627 | int idx_word = 2; |
1628 | int iddx_line = 4; | |
1629 | struct prefix_list *plist; | |
718e3744 | 1630 | |
d62a17ae | 1631 | plist = prefix_list_get(AFI_IP6, 0, argv[idx_word]->arg); |
1632 | ||
1633 | if (plist->desc) { | |
1634 | XFREE(MTYPE_TMP, plist->desc); | |
1635 | plist->desc = NULL; | |
1636 | } | |
1637 | plist->desc = argv_concat(argv, argc, iddx_line); | |
718e3744 | 1638 | |
d62a17ae | 1639 | return CMD_SUCCESS; |
c349116d | 1640 | } |
718e3744 | 1641 | |
1642 | DEFUN (no_ipv6_prefix_list_description, | |
1643 | no_ipv6_prefix_list_description_cmd, | |
1644 | "no ipv6 prefix-list WORD description", | |
1645 | NO_STR | |
1646 | IPV6_STR | |
1647 | PREFIX_LIST_STR | |
1648 | "Name of a prefix list\n" | |
1649 | "Prefix-list specific description\n") | |
1650 | { | |
d62a17ae | 1651 | int idx_word = 3; |
1652 | return vty_prefix_list_desc_unset(vty, AFI_IP6, argv[idx_word]->arg); | |
718e3744 | 1653 | } |
1654 | ||
d862bffb QY |
1655 | /* ALIAS_FIXME */ |
1656 | DEFUN (no_ipv6_prefix_list_description_comment, | |
1657 | no_ipv6_prefix_list_description_comment_cmd, | |
1658 | "no ipv6 prefix-list WORD description LINE...", | |
1659 | NO_STR | |
1660 | IPV6_STR | |
1661 | PREFIX_LIST_STR | |
1662 | "Name of a prefix list\n" | |
1663 | "Prefix-list specific description\n" | |
1664 | "Up to 80 characters describing this prefix-list\n") | |
1665 | { | |
d62a17ae | 1666 | return no_ipv6_prefix_list_description(self, vty, argc, argv); |
d862bffb QY |
1667 | } |
1668 | ||
718e3744 | 1669 | |
6cdff321 | 1670 | DEFPY (show_ipv6_prefix_list, |
718e3744 | 1671 | show_ipv6_prefix_list_cmd, |
6cdff321 | 1672 | "show ipv6 prefix-list [WORD [seq$dseq (1-4294967295)$arg]]", |
718e3744 | 1673 | SHOW_STR |
1674 | IPV6_STR | |
1675 | PREFIX_LIST_STR | |
1676 | "Name of a prefix list\n" | |
1677 | "sequence number of an entry\n" | |
7111c1a0 | 1678 | "Sequence number\n") |
718e3744 | 1679 | { |
d62a17ae | 1680 | enum display_type dtype = normal_display; |
1681 | if (dseq) | |
1682 | dtype = sequential_display; | |
718e3744 | 1683 | |
d62a17ae | 1684 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, arg_str, dtype); |
718e3744 | 1685 | } |
1686 | ||
6cdff321 DL |
1687 | DEFPY (show_ipv6_prefix_list_prefix, |
1688 | show_ipv6_prefix_list_prefix_cmd, | |
1689 | "show ipv6 prefix-list WORD X:X::X:X/M$prefix [longer$dl|first-match$dfm]", | |
718e3744 | 1690 | SHOW_STR |
1691 | IPV6_STR | |
1692 | PREFIX_LIST_STR | |
1693 | "Name of a prefix list\n" | |
1694 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n" | |
6cdff321 | 1695 | "Lookup longer prefix\n" |
718e3744 | 1696 | "First matched prefix\n") |
1697 | { | |
d62a17ae | 1698 | enum display_type dtype = normal_display; |
1699 | if (dl) | |
1700 | dtype = longer_display; | |
1701 | else if (dfm) | |
1702 | dtype = first_match_display; | |
718e3744 | 1703 | |
d62a17ae | 1704 | return vty_show_prefix_list_prefix(vty, AFI_IP6, prefix_list, |
1705 | prefix_str, dtype); | |
718e3744 | 1706 | } |
1707 | ||
6cdff321 DL |
1708 | DEFPY (show_ipv6_prefix_list_summary, |
1709 | show_ipv6_prefix_list_summary_cmd, | |
1710 | "show ipv6 prefix-list summary [WORD$prefix-list]", | |
718e3744 | 1711 | SHOW_STR |
1712 | IPV6_STR | |
1713 | PREFIX_LIST_STR | |
1714 | "Summary of prefix lists\n" | |
1715 | "Name of a prefix list\n") | |
1716 | { | |
d62a17ae | 1717 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, NULL, |
1718 | summary_display); | |
718e3744 | 1719 | } |
1720 | ||
6cdff321 | 1721 | DEFPY (show_ipv6_prefix_list_detail, |
718e3744 | 1722 | show_ipv6_prefix_list_detail_cmd, |
6cdff321 | 1723 | "show ipv6 prefix-list detail [WORD$prefix-list]", |
718e3744 | 1724 | SHOW_STR |
1725 | IPV6_STR | |
1726 | PREFIX_LIST_STR | |
1727 | "Detail of prefix lists\n" | |
1728 | "Name of a prefix list\n") | |
1729 | { | |
d62a17ae | 1730 | return vty_show_prefix_list(vty, AFI_IP6, prefix_list, NULL, |
1731 | detail_display); | |
718e3744 | 1732 | } |
1733 | ||
6cdff321 | 1734 | DEFPY (clear_ipv6_prefix_list, |
718e3744 | 1735 | clear_ipv6_prefix_list_cmd, |
6cdff321 | 1736 | "clear ipv6 prefix-list [WORD [X:X::X:X/M$prefix]]", |
718e3744 | 1737 | CLEAR_STR |
1738 | IPV6_STR | |
1739 | PREFIX_LIST_STR | |
1740 | "Name of a prefix list\n" | |
1741 | "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n") | |
1742 | { | |
d62a17ae | 1743 | return vty_clear_prefix_list(vty, AFI_IP6, prefix_list, prefix_str); |
718e3744 | 1744 | } |
6b0655a2 | 1745 | |
718e3744 | 1746 | /* Configuration write function. */ |
d62a17ae | 1747 | static int config_write_prefix_afi(afi_t afi, struct vty *vty) |
1748 | { | |
1749 | struct prefix_list *plist; | |
1750 | struct prefix_list_entry *pentry; | |
1751 | struct prefix_master *master; | |
1752 | int write = 0; | |
1753 | ||
1754 | master = prefix_master_get(afi, 0); | |
1755 | if (master == NULL) | |
1756 | return 0; | |
718e3744 | 1757 | |
d62a17ae | 1758 | if (!master->seqnum) { |
1759 | vty_out(vty, "no ip%s prefix-list sequence-number\n", | |
1760 | afi == AFI_IP ? "" : "v6"); | |
1761 | vty_out(vty, "!\n"); | |
718e3744 | 1762 | } |
d62a17ae | 1763 | |
1764 | for (plist = master->num.head; plist; plist = plist->next) { | |
1765 | if (plist->desc) { | |
1766 | vty_out(vty, "ip%s prefix-list %s description %s\n", | |
1767 | afi == AFI_IP ? "" : "v6", plist->name, | |
1768 | plist->desc); | |
1769 | write++; | |
1770 | } | |
1771 | ||
1772 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1773 | vty_out(vty, "ip%s prefix-list %s ", | |
1774 | afi == AFI_IP ? "" : "v6", plist->name); | |
1775 | ||
1776 | if (master->seqnum) | |
24512fbd | 1777 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
d62a17ae | 1778 | |
1779 | vty_out(vty, "%s ", prefix_list_type_str(pentry)); | |
1780 | ||
1781 | if (pentry->any) | |
1782 | vty_out(vty, "any"); | |
1783 | else { | |
1784 | struct prefix *p = &pentry->prefix; | |
1785 | char buf[BUFSIZ]; | |
1786 | ||
1787 | vty_out(vty, "%s/%d", | |
9eaec2ae | 1788 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1789 | BUFSIZ), |
1790 | p->prefixlen); | |
1791 | ||
1792 | if (pentry->ge) | |
1793 | vty_out(vty, " ge %d", pentry->ge); | |
1794 | if (pentry->le) | |
1795 | vty_out(vty, " le %d", pentry->le); | |
1796 | } | |
1797 | vty_out(vty, "\n"); | |
1798 | write++; | |
1799 | } | |
1800 | /* vty_out (vty, "!\n"); */ | |
718e3744 | 1801 | } |
1802 | ||
d62a17ae | 1803 | for (plist = master->str.head; plist; plist = plist->next) { |
1804 | if (plist->desc) { | |
1805 | vty_out(vty, "ip%s prefix-list %s description %s\n", | |
1806 | afi == AFI_IP ? "" : "v6", plist->name, | |
1807 | plist->desc); | |
1808 | write++; | |
1809 | } | |
1810 | ||
1811 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1812 | vty_out(vty, "ip%s prefix-list %s ", | |
1813 | afi == AFI_IP ? "" : "v6", plist->name); | |
1814 | ||
1815 | if (master->seqnum) | |
24512fbd | 1816 | vty_out(vty, "seq %" PRId64 " ", pentry->seq); |
d62a17ae | 1817 | |
1818 | vty_out(vty, "%s", prefix_list_type_str(pentry)); | |
1819 | ||
1820 | if (pentry->any) | |
1821 | vty_out(vty, " any"); | |
1822 | else { | |
1823 | struct prefix *p = &pentry->prefix; | |
1824 | char buf[BUFSIZ]; | |
1825 | ||
1826 | vty_out(vty, " %s/%d", | |
9eaec2ae | 1827 | inet_ntop(p->family, p->u.val, buf, |
d62a17ae | 1828 | BUFSIZ), |
1829 | p->prefixlen); | |
1830 | ||
1831 | if (pentry->ge) | |
1832 | vty_out(vty, " ge %d", pentry->ge); | |
1833 | if (pentry->le) | |
1834 | vty_out(vty, " le %d", pentry->le); | |
1835 | } | |
1836 | vty_out(vty, "\n"); | |
1837 | write++; | |
1838 | } | |
718e3744 | 1839 | } |
d62a17ae | 1840 | |
1841 | return write; | |
718e3744 | 1842 | } |
1843 | ||
d62a17ae | 1844 | struct stream *prefix_bgp_orf_entry(struct stream *s, struct prefix_list *plist, |
d7c0a89a QY |
1845 | uint8_t init_flag, uint8_t permit_flag, |
1846 | uint8_t deny_flag) | |
718e3744 | 1847 | { |
d62a17ae | 1848 | struct prefix_list_entry *pentry; |
718e3744 | 1849 | |
d62a17ae | 1850 | if (!plist) |
1851 | return s; | |
718e3744 | 1852 | |
d62a17ae | 1853 | for (pentry = plist->head; pentry; pentry = pentry->next) { |
d7c0a89a | 1854 | uint8_t flag = init_flag; |
d62a17ae | 1855 | struct prefix *p = &pentry->prefix; |
718e3744 | 1856 | |
d62a17ae | 1857 | flag |= (pentry->type == PREFIX_PERMIT ? permit_flag |
1858 | : deny_flag); | |
1859 | stream_putc(s, flag); | |
d7c0a89a QY |
1860 | stream_putl(s, (uint32_t)pentry->seq); |
1861 | stream_putc(s, (uint8_t)pentry->ge); | |
1862 | stream_putc(s, (uint8_t)pentry->le); | |
d62a17ae | 1863 | stream_put_prefix(s, p); |
1864 | } | |
718e3744 | 1865 | |
d62a17ae | 1866 | return s; |
718e3744 | 1867 | } |
1868 | ||
d62a17ae | 1869 | int prefix_bgp_orf_set(char *name, afi_t afi, struct orf_prefix *orfp, |
1870 | int permit, int set) | |
718e3744 | 1871 | { |
d62a17ae | 1872 | struct prefix_list *plist; |
1873 | struct prefix_list_entry *pentry; | |
718e3744 | 1874 | |
d62a17ae | 1875 | /* ge and le value check */ |
1876 | if (orfp->ge && orfp->ge <= orfp->p.prefixlen) | |
1877 | return CMD_WARNING_CONFIG_FAILED; | |
1878 | if (orfp->le && orfp->le <= orfp->p.prefixlen) | |
1879 | return CMD_WARNING_CONFIG_FAILED; | |
1880 | if (orfp->le && orfp->ge > orfp->le) | |
1881 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1882 | |
d62a17ae | 1883 | if (orfp->ge && orfp->le == (afi == AFI_IP ? 32 : 128)) |
1884 | orfp->le = 0; | |
718e3744 | 1885 | |
d62a17ae | 1886 | plist = prefix_list_get(afi, 1, name); |
1887 | if (!plist) | |
1888 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1889 | |
3dbedfbd QY |
1890 | apply_mask(&orfp->p); |
1891 | ||
d62a17ae | 1892 | if (set) { |
1893 | pentry = prefix_list_entry_make( | |
1894 | &orfp->p, (permit ? PREFIX_PERMIT : PREFIX_DENY), | |
1895 | orfp->seq, orfp->le, orfp->ge, 0); | |
718e3744 | 1896 | |
d62a17ae | 1897 | if (prefix_entry_dup_check(plist, pentry)) { |
1898 | prefix_list_entry_free(pentry); | |
1899 | return CMD_WARNING_CONFIG_FAILED; | |
1900 | } | |
718e3744 | 1901 | |
d62a17ae | 1902 | prefix_list_entry_add(plist, pentry); |
1903 | } else { | |
1904 | pentry = prefix_list_entry_lookup( | |
1905 | plist, &orfp->p, (permit ? PREFIX_PERMIT : PREFIX_DENY), | |
1906 | orfp->seq, orfp->le, orfp->ge); | |
718e3744 | 1907 | |
d62a17ae | 1908 | if (!pentry) |
1909 | return CMD_WARNING_CONFIG_FAILED; | |
718e3744 | 1910 | |
d62a17ae | 1911 | prefix_list_entry_delete(plist, pentry, 1); |
1912 | } | |
718e3744 | 1913 | |
d62a17ae | 1914 | return CMD_SUCCESS; |
718e3744 | 1915 | } |
1916 | ||
d62a17ae | 1917 | void prefix_bgp_orf_remove_all(afi_t afi, char *name) |
718e3744 | 1918 | { |
d62a17ae | 1919 | struct prefix_list *plist; |
718e3744 | 1920 | |
d62a17ae | 1921 | plist = prefix_bgp_orf_lookup(afi, name); |
1922 | if (plist) | |
1923 | prefix_list_delete(plist); | |
718e3744 | 1924 | } |
1925 | ||
1926 | /* return prefix count */ | |
d62a17ae | 1927 | int prefix_bgp_show_prefix_list(struct vty *vty, afi_t afi, char *name, |
9f049418 | 1928 | bool use_json) |
d62a17ae | 1929 | { |
1930 | struct prefix_list *plist; | |
1931 | struct prefix_list_entry *pentry; | |
1932 | json_object *json = NULL; | |
1933 | json_object *json_prefix = NULL; | |
1934 | json_object *json_list = NULL; | |
1935 | ||
1936 | plist = prefix_bgp_orf_lookup(afi, name); | |
1937 | if (!plist) | |
1938 | return 0; | |
1939 | ||
1940 | if (!vty) | |
1941 | return plist->count; | |
1942 | ||
1943 | if (use_json) { | |
1944 | json = json_object_new_object(); | |
1945 | json_prefix = json_object_new_object(); | |
1946 | json_list = json_object_new_object(); | |
1947 | ||
1948 | json_object_int_add(json_prefix, "prefixListCounter", | |
1949 | plist->count); | |
1950 | json_object_string_add(json_prefix, "prefixListName", | |
1951 | plist->name); | |
1952 | ||
1953 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1954 | struct prefix *p = &pentry->prefix; | |
1955 | char buf_a[BUFSIZ]; | |
1956 | char buf_b[BUFSIZ]; | |
1957 | ||
1958 | sprintf(buf_a, "%s/%d", | |
9eaec2ae | 1959 | inet_ntop(p->family, p->u.val, buf_b, |
d62a17ae | 1960 | BUFSIZ), |
1961 | p->prefixlen); | |
1962 | ||
1963 | json_object_int_add(json_list, "seq", pentry->seq); | |
1964 | json_object_string_add(json_list, "seqPrefixListType", | |
1965 | prefix_list_type_str(pentry)); | |
1966 | ||
1967 | if (pentry->ge) | |
1968 | json_object_int_add(json_list, "ge", | |
1969 | pentry->ge); | |
1970 | if (pentry->le) | |
1971 | json_object_int_add(json_list, "le", | |
1972 | pentry->le); | |
1973 | ||
1974 | json_object_object_add(json_prefix, buf_a, json_list); | |
1975 | } | |
1976 | if (afi == AFI_IP) | |
1977 | json_object_object_add(json, "ipPrefixList", | |
1978 | json_prefix); | |
1979 | else | |
1980 | json_object_object_add(json, "ipv6PrefixList", | |
1981 | json_prefix); | |
1982 | ||
9d303b37 DL |
1983 | vty_out(vty, "%s\n", json_object_to_json_string_ext( |
1984 | json, JSON_C_TO_STRING_PRETTY)); | |
d62a17ae | 1985 | json_object_free(json); |
1986 | } else { | |
1987 | vty_out(vty, "ip%s prefix-list %s: %d entries\n", | |
1988 | afi == AFI_IP ? "" : "v6", plist->name, plist->count); | |
1989 | ||
1990 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1991 | struct prefix *p = &pentry->prefix; | |
1992 | char buf[BUFSIZ]; | |
1993 | ||
24512fbd DS |
1994 | vty_out(vty, " seq %" PRId64 " %s %s/%d", |
1995 | pentry->seq, | |
d62a17ae | 1996 | prefix_list_type_str(pentry), |
9eaec2ae | 1997 | inet_ntop(p->family, p->u.val, buf, BUFSIZ), |
d62a17ae | 1998 | p->prefixlen); |
1999 | ||
2000 | if (pentry->ge) | |
2001 | vty_out(vty, " ge %d", pentry->ge); | |
2002 | if (pentry->le) | |
2003 | vty_out(vty, " le %d", pentry->le); | |
2004 | ||
2005 | vty_out(vty, "\n"); | |
2006 | } | |
2007 | } | |
2008 | return plist->count; | |
2009 | } | |
2010 | ||
2011 | static void prefix_list_reset_afi(afi_t afi, int orf) | |
2012 | { | |
2013 | struct prefix_list *plist; | |
2014 | struct prefix_list *next; | |
2015 | struct prefix_master *master; | |
2016 | ||
2017 | master = prefix_master_get(afi, orf); | |
2018 | if (master == NULL) | |
2019 | return; | |
2020 | ||
2021 | for (plist = master->num.head; plist; plist = next) { | |
2022 | next = plist->next; | |
2023 | prefix_list_delete(plist); | |
2024 | } | |
2025 | for (plist = master->str.head; plist; plist = next) { | |
2026 | next = plist->next; | |
2027 | prefix_list_delete(plist); | |
2028 | } | |
2029 | ||
2030 | assert(master->num.head == NULL); | |
2031 | assert(master->num.tail == NULL); | |
2032 | ||
2033 | assert(master->str.head == NULL); | |
2034 | assert(master->str.tail == NULL); | |
2035 | ||
2036 | master->seqnum = 1; | |
2037 | master->recent = NULL; | |
718e3744 | 2038 | } |
2039 | ||
2040 | ||
2041 | /* Prefix-list node. */ | |
d62a17ae | 2042 | static struct cmd_node prefix_node = {PREFIX_NODE, |
2043 | "", /* Prefix list has no interface. */ | |
2044 | 1}; | |
718e3744 | 2045 | |
d62a17ae | 2046 | static int config_write_prefix_ipv4(struct vty *vty) |
718e3744 | 2047 | { |
d62a17ae | 2048 | return config_write_prefix_afi(AFI_IP, vty); |
718e3744 | 2049 | } |
2050 | ||
d62a17ae | 2051 | static void plist_autocomplete_afi(afi_t afi, vector comps, |
2052 | struct cmd_token *token) | |
70d44c5c | 2053 | { |
d62a17ae | 2054 | struct prefix_list *plist; |
2055 | struct prefix_master *master; | |
70d44c5c | 2056 | |
d62a17ae | 2057 | master = prefix_master_get(afi, 0); |
2058 | if (master == NULL) | |
2059 | return; | |
70d44c5c | 2060 | |
d62a17ae | 2061 | for (plist = master->str.head; plist; plist = plist->next) |
2062 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, plist->name)); | |
2063 | for (plist = master->num.head; plist; plist = plist->next) | |
2064 | vector_set(comps, XSTRDUP(MTYPE_COMPLETION, plist->name)); | |
70d44c5c DL |
2065 | } |
2066 | ||
d62a17ae | 2067 | static void plist_autocomplete(vector comps, struct cmd_token *token) |
70d44c5c | 2068 | { |
d62a17ae | 2069 | plist_autocomplete_afi(AFI_IP, comps, token); |
2070 | plist_autocomplete_afi(AFI_IP6, comps, token); | |
70d44c5c DL |
2071 | } |
2072 | ||
2073 | static const struct cmd_variable_handler plist_var_handlers[] = { | |
d62a17ae | 2074 | {/* "prefix-list WORD" */ |
2075 | .varname = "prefix_list", | |
2076 | .completions = plist_autocomplete}, | |
2077 | {.completions = NULL}}; | |
70d44c5c DL |
2078 | |
2079 | ||
d62a17ae | 2080 | static void prefix_list_init_ipv4(void) |
718e3744 | 2081 | { |
d62a17ae | 2082 | install_node(&prefix_node, config_write_prefix_ipv4); |
718e3744 | 2083 | |
d62a17ae | 2084 | install_element(CONFIG_NODE, &ip_prefix_list_cmd); |
2085 | install_element(CONFIG_NODE, &no_ip_prefix_list_cmd); | |
7e200e86 | 2086 | install_element(CONFIG_NODE, &no_ip_prefix_list_seq_cmd); |
d62a17ae | 2087 | install_element(CONFIG_NODE, &no_ip_prefix_list_all_cmd); |
718e3744 | 2088 | |
d62a17ae | 2089 | install_element(CONFIG_NODE, &ip_prefix_list_description_cmd); |
2090 | install_element(CONFIG_NODE, &no_ip_prefix_list_description_cmd); | |
2091 | install_element(CONFIG_NODE, | |
2092 | &no_ip_prefix_list_description_comment_cmd); | |
718e3744 | 2093 | |
d62a17ae | 2094 | install_element(CONFIG_NODE, &ip_prefix_list_sequence_number_cmd); |
718e3744 | 2095 | |
d62a17ae | 2096 | install_element(VIEW_NODE, &show_ip_prefix_list_cmd); |
2097 | install_element(VIEW_NODE, &show_ip_prefix_list_prefix_cmd); | |
2098 | install_element(VIEW_NODE, &show_ip_prefix_list_summary_cmd); | |
2099 | install_element(VIEW_NODE, &show_ip_prefix_list_detail_cmd); | |
718e3744 | 2100 | |
d62a17ae | 2101 | install_element(ENABLE_NODE, &clear_ip_prefix_list_cmd); |
718e3744 | 2102 | } |
2103 | ||
718e3744 | 2104 | /* Prefix-list node. */ |
d62a17ae | 2105 | static struct cmd_node prefix_ipv6_node = { |
2106 | PREFIX_IPV6_NODE, "", /* Prefix list has no interface. */ | |
2107 | 1}; | |
718e3744 | 2108 | |
d62a17ae | 2109 | static int config_write_prefix_ipv6(struct vty *vty) |
718e3744 | 2110 | { |
d62a17ae | 2111 | return config_write_prefix_afi(AFI_IP6, vty); |
718e3744 | 2112 | } |
2113 | ||
d62a17ae | 2114 | static void prefix_list_init_ipv6(void) |
718e3744 | 2115 | { |
d62a17ae | 2116 | install_node(&prefix_ipv6_node, config_write_prefix_ipv6); |
718e3744 | 2117 | |
d62a17ae | 2118 | install_element(CONFIG_NODE, &ipv6_prefix_list_cmd); |
2119 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_cmd); | |
2120 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_all_cmd); | |
718e3744 | 2121 | |
d62a17ae | 2122 | install_element(CONFIG_NODE, &ipv6_prefix_list_description_cmd); |
2123 | install_element(CONFIG_NODE, &no_ipv6_prefix_list_description_cmd); | |
2124 | install_element(CONFIG_NODE, | |
2125 | &no_ipv6_prefix_list_description_comment_cmd); | |
718e3744 | 2126 | |
d62a17ae | 2127 | install_element(CONFIG_NODE, &ipv6_prefix_list_sequence_number_cmd); |
718e3744 | 2128 | |
d62a17ae | 2129 | install_element(VIEW_NODE, &show_ipv6_prefix_list_cmd); |
2130 | install_element(VIEW_NODE, &show_ipv6_prefix_list_prefix_cmd); | |
2131 | install_element(VIEW_NODE, &show_ipv6_prefix_list_summary_cmd); | |
2132 | install_element(VIEW_NODE, &show_ipv6_prefix_list_detail_cmd); | |
718e3744 | 2133 | |
d62a17ae | 2134 | install_element(ENABLE_NODE, &clear_ipv6_prefix_list_cmd); |
718e3744 | 2135 | } |
718e3744 | 2136 | |
4d762f26 | 2137 | void prefix_list_init(void) |
718e3744 | 2138 | { |
d62a17ae | 2139 | cmd_variable_handler_register(plist_var_handlers); |
70d44c5c | 2140 | |
d62a17ae | 2141 | prefix_list_init_ipv4(); |
2142 | prefix_list_init_ipv6(); | |
718e3744 | 2143 | } |
2144 | ||
4d762f26 | 2145 | void prefix_list_reset(void) |
718e3744 | 2146 | { |
d62a17ae | 2147 | prefix_list_reset_afi(AFI_IP, 0); |
2148 | prefix_list_reset_afi(AFI_IP6, 0); | |
2149 | prefix_list_reset_afi(AFI_IP, 1); | |
2150 | prefix_list_reset_afi(AFI_IP6, 1); | |
718e3744 | 2151 | } |