1 /* Prefix list functions.
2 * Copyright (C) 1999 Kunihiro Ishiguro
4 * This file is part of GNU Zebra.
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.
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.
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
27 #include "sockunion.h"
34 #include "plist_int.h"
36 DEFINE_MTYPE_STATIC(LIB
, PREFIX_LIST
, "Prefix List")
37 DEFINE_MTYPE_STATIC(LIB
, MPREFIX_LIST_STR
, "Prefix List Str")
38 DEFINE_MTYPE_STATIC(LIB
, PREFIX_LIST_ENTRY
, "Prefix List Entry")
39 DEFINE_MTYPE_STATIC(LIB
, PREFIX_LIST_TRIE
, "Prefix List Trie Table")
41 /* not currently changeable, code assumes bytes further down */
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) */
50 struct pltrie_table
*next_table
;
51 struct prefix_list_entry
*final_chain
;
54 struct prefix_list_entry
*up_chain
;
58 struct pltrie_entry entries
[PLC_LEN
];
61 /* List of struct prefix_list. */
62 struct prefix_list_list
{
63 struct prefix_list
*head
;
64 struct prefix_list
*tail
;
67 /* Master structure of prefix_list. */
68 struct prefix_master
{
69 /* List of prefix_list which name is number. */
70 struct prefix_list_list num
;
72 /* List of prefix_list which name is string. */
73 struct prefix_list_list str
;
75 /* Whether sequential number is used. */
78 /* The latest update. */
79 struct prefix_list
*recent
;
81 /* Hook function which is executed when new prefix_list is added. */
82 void (*add_hook
)(struct prefix_list
*);
84 /* Hook function which is executed when prefix_list is deleted. */
85 void (*delete_hook
)(struct prefix_list
*);
87 /* number of bytes that have a trie level */
91 /* Static structure of IPv4 prefix_list's master. */
92 static struct prefix_master prefix_master_ipv4
= {
93 {NULL
, NULL
}, {NULL
, NULL
}, 1, NULL
, NULL
, NULL
, PLC_MAXLEVELV4
,
96 /* Static structure of IPv6 prefix-list's master. */
97 static struct prefix_master prefix_master_ipv6
= {
98 {NULL
, NULL
}, {NULL
, NULL
}, 1, NULL
, NULL
, NULL
, PLC_MAXLEVELV6
,
101 /* Static structure of BGP ORF prefix_list's master. */
102 static struct prefix_master prefix_master_orf_v4
= {
103 {NULL
, NULL
}, {NULL
, NULL
}, 1, NULL
, NULL
, NULL
, PLC_MAXLEVELV4
,
106 /* Static structure of BGP ORF prefix_list's master. */
107 static struct prefix_master prefix_master_orf_v6
= {
108 {NULL
, NULL
}, {NULL
, NULL
}, 1, NULL
, NULL
, NULL
, PLC_MAXLEVELV6
,
111 static struct prefix_master
*prefix_master_get(afi_t afi
, int orf
)
114 return orf
? &prefix_master_orf_v4
: &prefix_master_ipv4
;
116 return orf
? &prefix_master_orf_v6
: &prefix_master_ipv6
;
120 const char *prefix_list_name(struct prefix_list
*plist
)
125 afi_t
prefix_list_afi(struct prefix_list
*plist
)
127 if (plist
->master
== &prefix_master_ipv4
128 || plist
->master
== &prefix_master_orf_v4
)
133 /* Lookup prefix_list from list of prefix_list by name. */
134 static struct prefix_list
*prefix_list_lookup_do(afi_t afi
, int orf
,
137 struct prefix_list
*plist
;
138 struct prefix_master
*master
;
143 master
= prefix_master_get(afi
, orf
);
147 for (plist
= master
->num
.head
; plist
; plist
= plist
->next
)
148 if (strcmp(plist
->name
, name
) == 0)
151 for (plist
= master
->str
.head
; plist
; plist
= plist
->next
)
152 if (strcmp(plist
->name
, name
) == 0)
158 struct prefix_list
*prefix_list_lookup(afi_t afi
, const char *name
)
160 return prefix_list_lookup_do(afi
, 0, name
);
163 struct prefix_list
*prefix_bgp_orf_lookup(afi_t afi
, const char *name
)
165 return prefix_list_lookup_do(afi
, 1, name
);
168 static struct prefix_list
*prefix_list_new(void)
170 struct prefix_list
*new;
172 new = XCALLOC(MTYPE_PREFIX_LIST
, sizeof(struct prefix_list
));
176 static void prefix_list_free(struct prefix_list
*plist
)
178 XFREE(MTYPE_PREFIX_LIST
, plist
);
181 static struct prefix_list_entry
*prefix_list_entry_new(void)
183 struct prefix_list_entry
*new;
185 new = XCALLOC(MTYPE_PREFIX_LIST_ENTRY
,
186 sizeof(struct prefix_list_entry
));
190 static void prefix_list_entry_free(struct prefix_list_entry
*pentry
)
192 XFREE(MTYPE_PREFIX_LIST_ENTRY
, pentry
);
195 /* Insert new prefix list to list of prefix_list. Each prefix_list
196 is sorted by the name. */
197 static struct prefix_list
*prefix_list_insert(afi_t afi
, int orf
,
202 struct prefix_list
*plist
;
203 struct prefix_list
*point
;
204 struct prefix_list_list
*list
;
205 struct prefix_master
*master
;
207 master
= prefix_master_get(afi
, orf
);
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
;
216 XCALLOC(MTYPE_PREFIX_LIST_TRIE
, sizeof(struct pltrie_table
));
218 /* If name is made by all digit character. We treat it as
220 for (number
= 0, i
= 0; i
< strlen(name
); i
++) {
221 if (isdigit((unsigned char)name
[i
]))
222 number
= (number
* 10) + (name
[i
] - '0');
227 /* In case of name is all digit character */
228 if (i
== strlen(name
)) {
229 plist
->type
= PREFIX_TYPE_NUMBER
;
231 /* Set prefix_list to number list. */
234 for (point
= list
->head
; point
; point
= point
->next
)
235 if (atol(point
->name
) >= number
)
238 plist
->type
= PREFIX_TYPE_STRING
;
240 /* Set prefix_list to string list. */
243 /* Set point to insertion point. */
244 for (point
= list
->head
; point
; point
= point
->next
)
245 if (strcmp(point
->name
, name
) >= 0)
249 /* In case of this is the first element of master. */
250 if (list
->head
== NULL
) {
251 list
->head
= list
->tail
= plist
;
255 /* In case of insertion is made at the tail of access_list. */
257 plist
->prev
= list
->tail
;
258 list
->tail
->next
= plist
;
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
;
271 /* Insertion is made at middle of the access_list. */
273 plist
->prev
= point
->prev
;
276 point
->prev
->next
= plist
;
282 static struct prefix_list
*prefix_list_get(afi_t afi
, int orf
, const char *name
)
284 struct prefix_list
*plist
;
286 plist
= prefix_list_lookup_do(afi
, orf
, name
);
289 plist
= prefix_list_insert(afi
, orf
, name
);
293 static void prefix_list_trie_del(struct prefix_list
*plist
,
294 struct prefix_list_entry
*pentry
);
296 /* Delete prefix-list from prefix_list_master and free it. */
297 static void prefix_list_delete(struct prefix_list
*plist
)
299 struct prefix_list_list
*list
;
300 struct prefix_master
*master
;
301 struct prefix_list_entry
*pentry
;
302 struct prefix_list_entry
*next
;
304 /* If prefix-list contain prefix_list_entry free all of it. */
305 for (pentry
= plist
->head
; pentry
; pentry
= next
) {
306 route_map_notify_pentry_dependencies(plist
->name
, pentry
,
307 RMAP_EVENT_PLIST_DELETED
);
309 prefix_list_trie_del(plist
, pentry
);
310 prefix_list_entry_free(pentry
);
314 master
= plist
->master
;
316 if (plist
->type
== PREFIX_TYPE_NUMBER
)
322 plist
->next
->prev
= plist
->prev
;
324 list
->tail
= plist
->prev
;
327 plist
->prev
->next
= plist
->next
;
329 list
->head
= plist
->next
;
331 XFREE(MTYPE_TMP
, plist
->desc
);
333 /* Make sure master's recent changed prefix-list information is
335 master
->recent
= NULL
;
337 route_map_notify_dependencies(plist
->name
, RMAP_EVENT_PLIST_DELETED
);
339 if (master
->delete_hook
)
340 (*master
->delete_hook
)(plist
);
342 XFREE(MTYPE_MPREFIX_LIST_STR
, plist
->name
);
344 XFREE(MTYPE_PREFIX_LIST_TRIE
, plist
->trie
);
346 prefix_list_free(plist
);
349 static struct prefix_list_entry
*
350 prefix_list_entry_make(struct prefix
*prefix
, enum prefix_list_type type
,
351 int64_t seq
, int le
, int ge
, bool any
)
353 struct prefix_list_entry
*pentry
;
355 pentry
= prefix_list_entry_new();
360 prefix_copy(&pentry
->prefix
, prefix
);
369 /* Add hook function. */
370 void prefix_list_add_hook(void (*func
)(struct prefix_list
*plist
))
372 prefix_master_ipv4
.add_hook
= func
;
373 prefix_master_ipv6
.add_hook
= func
;
376 /* Delete hook function. */
377 void prefix_list_delete_hook(void (*func
)(struct prefix_list
*plist
))
379 prefix_master_ipv4
.delete_hook
= func
;
380 prefix_master_ipv6
.delete_hook
= func
;
383 /* Calculate new sequential number. */
384 static int64_t prefix_new_seq_get(struct prefix_list
*plist
)
388 struct prefix_list_entry
*pentry
;
392 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
393 if (maxseq
< pentry
->seq
)
394 maxseq
= pentry
->seq
;
397 newseq
= ((maxseq
/ 5) * 5) + 5;
399 return (newseq
> UINT_MAX
) ? UINT_MAX
: newseq
;
402 /* Return prefix list entry which has same seq number. */
403 static struct prefix_list_entry
*prefix_seq_check(struct prefix_list
*plist
,
406 struct prefix_list_entry
*pentry
;
408 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
)
409 if (pentry
->seq
== seq
)
414 static struct prefix_list_entry
*
415 prefix_list_entry_lookup(struct prefix_list
*plist
, struct prefix
*prefix
,
416 enum prefix_list_type type
, int64_t seq
,
419 struct prefix_list_entry
*pentry
;
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
)
427 if (pentry
->le
!= le
)
429 if (pentry
->ge
!= ge
)
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
))
446 if (validbits
> PLC_BITS
) {
447 fn(object
, &table
->entries
[byte
].final_chain
);
451 mask
= (1 << (8 - validbits
)) - 1;
452 for (bwalk
= byte
& ~mask
; bwalk
<= byte
+ mask
; bwalk
++) {
453 fn(object
, &table
->entries
[bwalk
].up_chain
);
457 static void trie_uninstall_fn(struct prefix_list_entry
*object
,
458 struct prefix_list_entry
**updptr
)
460 for (; *updptr
; updptr
= &(*updptr
)->next_best
)
461 if (*updptr
== object
) {
462 *updptr
= object
->next_best
;
467 static int trie_table_empty(struct pltrie_table
*table
)
470 for (i
= 0; i
< PLC_LEN
; i
++)
471 if (table
->entries
[i
].next_table
|| table
->entries
[i
].up_chain
)
476 static void prefix_list_trie_del(struct prefix_list
*plist
,
477 struct prefix_list_entry
*pentry
)
479 size_t depth
, maxdepth
= plist
->master
->trie_depth
;
480 uint8_t *bytes
= pentry
->prefix
.u
.val
;
481 size_t validbits
= pentry
->prefix
.prefixlen
;
482 struct pltrie_table
*table
, **tables
[PLC_MAXLEVEL
];
485 for (depth
= 0; validbits
> PLC_BITS
&& depth
< maxdepth
- 1; depth
++) {
486 uint8_t byte
= bytes
[depth
];
487 assert(table
->entries
[byte
].next_table
);
489 tables
[depth
+ 1] = &table
->entries
[byte
].next_table
;
490 table
= table
->entries
[byte
].next_table
;
492 validbits
-= PLC_BITS
;
495 trie_walk_affected(validbits
, table
, bytes
[depth
], pentry
,
498 for (; depth
> 0; depth
--)
499 if (trie_table_empty(*tables
[depth
])) {
500 XFREE(MTYPE_PREFIX_LIST_TRIE
, *tables
[depth
]);
505 static void prefix_list_entry_delete(struct prefix_list
*plist
,
506 struct prefix_list_entry
*pentry
,
509 if (plist
== NULL
|| pentry
== NULL
)
512 prefix_list_trie_del(plist
, pentry
);
515 pentry
->prev
->next
= pentry
->next
;
517 plist
->head
= pentry
->next
;
519 pentry
->next
->prev
= pentry
->prev
;
521 plist
->tail
= pentry
->prev
;
523 route_map_notify_pentry_dependencies(plist
->name
, pentry
,
524 RMAP_EVENT_PLIST_DELETED
);
525 prefix_list_entry_free(pentry
);
530 route_map_notify_dependencies(plist
->name
,
531 RMAP_EVENT_PLIST_DELETED
);
532 if (plist
->master
->delete_hook
)
533 (*plist
->master
->delete_hook
)(plist
);
535 if (plist
->head
== NULL
&& plist
->tail
== NULL
536 && plist
->desc
== NULL
)
537 prefix_list_delete(plist
);
539 plist
->master
->recent
= plist
;
543 static void trie_install_fn(struct prefix_list_entry
*object
,
544 struct prefix_list_entry
**updptr
)
547 if (*updptr
== object
)
549 if ((*updptr
)->prefix
.prefixlen
< object
->prefix
.prefixlen
)
551 if ((*updptr
)->prefix
.prefixlen
== object
->prefix
.prefixlen
552 && (*updptr
)->seq
> object
->seq
)
554 updptr
= &(*updptr
)->next_best
;
557 if (!object
->next_best
)
558 object
->next_best
= *updptr
;
560 assert(object
->next_best
== *updptr
|| !*updptr
);
565 static void prefix_list_trie_add(struct prefix_list
*plist
,
566 struct prefix_list_entry
*pentry
)
568 size_t depth
= plist
->master
->trie_depth
;
569 uint8_t *bytes
= pentry
->prefix
.u
.val
;
570 size_t validbits
= pentry
->prefix
.prefixlen
;
571 struct pltrie_table
*table
;
574 while (validbits
> PLC_BITS
&& depth
> 1) {
575 if (!table
->entries
[*bytes
].next_table
)
576 table
->entries
[*bytes
].next_table
=
577 XCALLOC(MTYPE_PREFIX_LIST_TRIE
,
578 sizeof(struct pltrie_table
));
579 table
= table
->entries
[*bytes
].next_table
;
582 validbits
-= PLC_BITS
;
585 trie_walk_affected(validbits
, table
, *bytes
, pentry
, trie_install_fn
);
588 static void prefix_list_entry_add(struct prefix_list
*plist
,
589 struct prefix_list_entry
*pentry
)
591 struct prefix_list_entry
*replace
;
592 struct prefix_list_entry
*point
;
594 /* Automatic asignment of seq no. */
595 if (pentry
->seq
== -1)
596 pentry
->seq
= prefix_new_seq_get(plist
);
598 if (plist
->tail
&& pentry
->seq
> plist
->tail
->seq
)
601 /* Is there any same seq prefix list entry? */
602 replace
= prefix_seq_check(plist
, pentry
->seq
);
604 prefix_list_entry_delete(plist
, replace
, 0);
606 /* Check insert point. */
607 for (point
= plist
->head
; point
; point
= point
->next
)
608 if (point
->seq
>= pentry
->seq
)
612 /* In case of this is the first element of the list. */
613 pentry
->next
= point
;
617 point
->prev
->next
= pentry
;
619 plist
->head
= pentry
;
621 pentry
->prev
= point
->prev
;
622 point
->prev
= pentry
;
625 plist
->tail
->next
= pentry
;
627 plist
->head
= pentry
;
629 pentry
->prev
= plist
->tail
;
630 plist
->tail
= pentry
;
633 prefix_list_trie_add(plist
, pentry
);
635 /* Increment count. */
638 route_map_notify_pentry_dependencies(plist
->name
, pentry
,
639 RMAP_EVENT_PLIST_ADDED
);
641 /* Run hook function. */
642 if (plist
->master
->add_hook
)
643 (*plist
->master
->add_hook
)(plist
);
645 route_map_notify_dependencies(plist
->name
, RMAP_EVENT_PLIST_ADDED
);
646 plist
->master
->recent
= plist
;
649 /* Return string of prefix_list_type. */
650 static const char *prefix_list_type_str(struct prefix_list_entry
*pentry
)
652 switch (pentry
->type
) {
662 static int prefix_list_entry_match(struct prefix_list_entry
*pentry
,
663 const struct prefix
*p
)
667 if (pentry
->prefix
.family
!= p
->family
)
670 ret
= prefix_match(&pentry
->prefix
, p
);
674 /* In case of le nor ge is specified, exact match is performed. */
675 if (!pentry
->le
&& !pentry
->ge
) {
676 if (pentry
->prefix
.prefixlen
!= p
->prefixlen
)
680 if (p
->prefixlen
> pentry
->le
)
684 if (p
->prefixlen
< pentry
->ge
)
690 enum prefix_list_type
prefix_list_apply_which_prefix(
691 struct prefix_list
*plist
,
692 const struct prefix
**which
,
695 struct prefix_list_entry
*pentry
, *pbest
= NULL
;
697 const struct prefix
*p
= (const struct prefix
*)object
;
698 const uint8_t *byte
= p
->u
.val
;
700 size_t validbits
= p
->prefixlen
;
701 struct pltrie_table
*table
;
709 if (plist
->count
== 0) {
712 return PREFIX_PERMIT
;
715 depth
= plist
->master
->trie_depth
;
718 for (pentry
= table
->entries
[*byte
].up_chain
; pentry
;
719 pentry
= pentry
->next_best
) {
720 if (pbest
&& pbest
->seq
< pentry
->seq
)
722 if (prefix_list_entry_match(pentry
, p
))
726 if (validbits
<= PLC_BITS
)
728 validbits
-= PLC_BITS
;
731 if (!table
->entries
[*byte
].next_table
)
734 table
= table
->entries
[*byte
].next_table
;
739 for (pentry
= table
->entries
[*byte
].final_chain
; pentry
;
740 pentry
= pentry
->next_best
) {
741 if (pbest
&& pbest
->seq
< pentry
->seq
)
743 if (prefix_list_entry_match(pentry
, p
))
751 *which
= &pbest
->prefix
;
763 static void __attribute__((unused
)) prefix_list_print(struct prefix_list
*plist
)
765 struct prefix_list_entry
*pentry
;
770 printf("ip prefix-list %s: %d entries\n", plist
->name
, plist
->count
);
772 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
774 printf("any %s\n", prefix_list_type_str(pentry
));
781 printf(" seq %lld %s %s/%d", (long long)pentry
->seq
,
782 prefix_list_type_str(pentry
),
783 inet_ntop(p
->family
, p
->u
.val
, buf
, BUFSIZ
),
786 printf(" ge %d", pentry
->ge
);
788 printf(" le %d", pentry
->le
);
794 /* Retrun 1 when plist already include pentry policy. */
795 static struct prefix_list_entry
*
796 prefix_entry_dup_check(struct prefix_list
*plist
, struct prefix_list_entry
*new)
798 size_t depth
, maxdepth
= plist
->master
->trie_depth
;
799 uint8_t byte
, *bytes
= new->prefix
.u
.val
;
800 size_t validbits
= new->prefix
.prefixlen
;
801 struct pltrie_table
*table
;
802 struct prefix_list_entry
*pentry
;
806 seq
= prefix_new_seq_get(plist
);
811 for (depth
= 0; validbits
> PLC_BITS
&& depth
< maxdepth
- 1; depth
++) {
813 if (!table
->entries
[byte
].next_table
)
816 table
= table
->entries
[byte
].next_table
;
817 validbits
-= PLC_BITS
;
821 if (validbits
> PLC_BITS
)
822 pentry
= table
->entries
[byte
].final_chain
;
824 pentry
= table
->entries
[byte
].up_chain
;
826 for (; pentry
; pentry
= pentry
->next_best
) {
827 if (prefix_same(&pentry
->prefix
, &new->prefix
)
828 && pentry
->type
== new->type
&& pentry
->le
== new->le
829 && pentry
->ge
== new->ge
&& pentry
->seq
!= seq
)
835 static int vty_invalid_prefix_range(struct vty
*vty
, const char *prefix
)
838 "%% Invalid prefix range for %s, make sure: len < ge-value <= le-value\n",
840 return CMD_WARNING_CONFIG_FAILED
;
843 static int vty_prefix_list_install(struct vty
*vty
, afi_t afi
, const char *name
,
844 const char *seq
, const char *typestr
,
845 const char *prefix
, const char *ge
,
849 enum prefix_list_type type
;
850 struct prefix_list
*plist
;
851 struct prefix_list_entry
*pentry
;
852 struct prefix_list_entry
*dup
;
853 struct prefix p
, p_tmp
;
859 if (name
== NULL
|| prefix
== NULL
|| typestr
== NULL
) {
860 vty_out(vty
, "%% Missing prefix or type\n");
861 return CMD_WARNING_CONFIG_FAILED
;
864 /* Sequential number. */
866 seqnum
= (int64_t)atol(seq
);
868 /* ge and le number */
874 /* Check filter type. */
875 if (strncmp("permit", typestr
, 1) == 0)
876 type
= PREFIX_PERMIT
;
877 else if (strncmp("deny", typestr
, 1) == 0)
880 vty_out(vty
, "%% prefix type must be permit or deny\n");
881 return CMD_WARNING_CONFIG_FAILED
;
884 /* "any" is special token for matching any IPv4 addresses. */
887 if (strncmp("any", prefix
, strlen(prefix
)) == 0) {
888 ret
= str2prefix_ipv4("0.0.0.0/0",
889 (struct prefix_ipv4
*)&p
);
891 lenum
= IPV4_MAX_BITLEN
;
894 ret
= str2prefix_ipv4(prefix
, (struct prefix_ipv4
*)&p
);
897 vty_out(vty
, "%% Malformed IPv4 prefix\n");
898 return CMD_WARNING_CONFIG_FAILED
;
901 /* make a copy to verify prefix matches mask length */
902 prefix_copy(&p_tmp
, &p
);
903 apply_mask_ipv4((struct prefix_ipv4
*)&p_tmp
);
907 if (strncmp("any", prefix
, strlen(prefix
)) == 0) {
908 ret
= str2prefix_ipv6("::/0", (struct prefix_ipv6
*)&p
);
910 lenum
= IPV6_MAX_BITLEN
;
913 ret
= str2prefix_ipv6(prefix
, (struct prefix_ipv6
*)&p
);
916 vty_out(vty
, "%% Malformed IPv6 prefix\n");
917 return CMD_WARNING_CONFIG_FAILED
;
920 /* make a copy to verify prefix matches mask length */
921 prefix_copy(&p_tmp
, &p
);
922 apply_mask_ipv6((struct prefix_ipv6
*)&p_tmp
);
927 vty_out(vty
, "%% Unrecognized AFI (%d)\n", afi
);
928 return CMD_WARNING_CONFIG_FAILED
;
931 /* If prefix has bits not under the mask, adjust it to fit */
932 if (!prefix_same(&p_tmp
, &p
)) {
933 char buf
[PREFIX2STR_BUFFER
];
934 char buf_tmp
[PREFIX2STR_BUFFER
];
935 prefix2str(&p
, buf
, sizeof(buf
));
936 prefix2str(&p_tmp
, buf_tmp
, sizeof(buf_tmp
));
938 "%% Prefix-list %s prefix changed from %s to %s to match length\n",
941 "Prefix-list %s prefix changed from %s to %s to match length",
946 /* ge and le check. */
947 if (genum
&& (genum
<= p
.prefixlen
))
948 return vty_invalid_prefix_range(vty
, prefix
);
950 if (lenum
&& (lenum
< p
.prefixlen
))
951 return vty_invalid_prefix_range(vty
, prefix
);
953 if (lenum
&& (genum
> lenum
))
954 return vty_invalid_prefix_range(vty
, prefix
);
956 if (genum
&& (lenum
== (afi
== AFI_IP
? 32 : 128)))
959 /* Get prefix_list with name. */
960 plist
= prefix_list_get(afi
, 0, name
);
962 /* Make prefix entry. */
963 pentry
= prefix_list_entry_make(&p
, type
, seqnum
, lenum
, genum
, any
);
965 /* Check same policy. */
966 dup
= prefix_entry_dup_check(plist
, pentry
);
969 prefix_list_entry_free(pentry
);
973 /* Install new filter to the access_list. */
974 prefix_list_entry_add(plist
, pentry
);
979 static int vty_prefix_list_uninstall(struct vty
*vty
, afi_t afi
,
980 const char *name
, const char *seq
,
981 const char *typestr
, const char *prefix
,
982 const char *ge
, const char *le
)
985 enum prefix_list_type type
;
986 struct prefix_list
*plist
;
987 struct prefix_list_entry
*pentry
;
993 /* Check prefix list name. */
994 plist
= prefix_list_lookup(afi
, name
);
996 vty_out(vty
, "%% Can't find specified prefix-list\n");
997 return CMD_WARNING_CONFIG_FAILED
;
1000 /* Only prefix-list name specified, delete the entire prefix-list. */
1001 if (seq
== NULL
&& typestr
== NULL
&& prefix
== NULL
&& ge
== NULL
1003 prefix_list_delete(plist
);
1007 /* Check sequence number. */
1009 seqnum
= (int64_t)atol(seq
);
1011 /* Sequence number specified, but nothing else. */
1012 if (seq
&& typestr
== NULL
&& prefix
== NULL
&& ge
== NULL
1014 pentry
= prefix_seq_check(plist
, seqnum
);
1016 if (pentry
== NULL
) {
1018 "%% Can't find prefix-list %s with sequence number %" PRIu64
"\n",
1020 return CMD_WARNING_CONFIG_FAILED
;
1023 prefix_list_entry_delete(plist
, pentry
, 1);
1027 /* ge and le number */
1033 /* We must have, at a minimum, both the type and prefix here */
1034 if ((typestr
== NULL
) || (prefix
== NULL
))
1035 return CMD_WARNING_CONFIG_FAILED
;
1037 /* Check of filter type. */
1038 if (strncmp("permit", typestr
, 1) == 0)
1039 type
= PREFIX_PERMIT
;
1040 else if (strncmp("deny", typestr
, 1) == 0)
1043 vty_out(vty
, "%% prefix type must be permit or deny\n");
1044 return CMD_WARNING_CONFIG_FAILED
;
1047 /* "any" is special token for matching any IPv4 addresses. */
1048 if (afi
== AFI_IP
) {
1049 if (strncmp("any", prefix
, strlen(prefix
)) == 0) {
1050 ret
= str2prefix_ipv4("0.0.0.0/0",
1051 (struct prefix_ipv4
*)&p
);
1053 lenum
= IPV4_MAX_BITLEN
;
1055 ret
= str2prefix_ipv4(prefix
, (struct prefix_ipv4
*)&p
);
1058 vty_out(vty
, "%% Malformed IPv4 prefix\n");
1059 return CMD_WARNING_CONFIG_FAILED
;
1061 } else if (afi
== AFI_IP6
) {
1062 if (strncmp("any", prefix
, strlen(prefix
)) == 0) {
1063 ret
= str2prefix_ipv6("::/0", (struct prefix_ipv6
*)&p
);
1065 lenum
= IPV6_MAX_BITLEN
;
1067 ret
= str2prefix_ipv6(prefix
, (struct prefix_ipv6
*)&p
);
1070 vty_out(vty
, "%% Malformed IPv6 prefix\n");
1071 return CMD_WARNING_CONFIG_FAILED
;
1075 /* Lookup prefix entry. */
1077 prefix_list_entry_lookup(plist
, &p
, type
, seqnum
, lenum
, genum
);
1079 if (pentry
== NULL
) {
1080 vty_out(vty
, "%% Can't find specified prefix-list\n");
1081 return CMD_WARNING_CONFIG_FAILED
;
1084 /* Install new filter to the access_list. */
1085 prefix_list_entry_delete(plist
, pentry
, 1);
1090 static int vty_prefix_list_desc_unset(struct vty
*vty
, afi_t afi
,
1093 struct prefix_list
*plist
;
1095 plist
= prefix_list_lookup(afi
, name
);
1097 vty_out(vty
, "%% Can't find specified prefix-list\n");
1098 return CMD_WARNING_CONFIG_FAILED
;
1101 XFREE(MTYPE_TMP
, plist
->desc
);
1103 if (plist
->head
== NULL
&& plist
->tail
== NULL
&& plist
->desc
== NULL
)
1104 prefix_list_delete(plist
);
1118 static void vty_show_prefix_entry(struct vty
*vty
, afi_t afi
,
1119 struct prefix_list
*plist
,
1120 struct prefix_master
*master
,
1121 enum display_type dtype
, int seqnum
)
1123 struct prefix_list_entry
*pentry
;
1125 /* Print the name of the protocol */
1126 vty_out(vty
, "%s: ", frr_protoname
);
1128 if (dtype
== normal_display
) {
1129 vty_out(vty
, "ip%s prefix-list %s: %d entries\n",
1130 afi
== AFI_IP
? "" : "v6", plist
->name
, plist
->count
);
1132 vty_out(vty
, " Description: %s\n", plist
->desc
);
1133 } else if (dtype
== summary_display
|| dtype
== detail_display
) {
1134 vty_out(vty
, "ip%s prefix-list %s:\n",
1135 afi
== AFI_IP
? "" : "v6", plist
->name
);
1138 vty_out(vty
, " Description: %s\n", plist
->desc
);
1141 " count: %d, range entries: %d, sequences: %" PRId64
" - %" PRId64
"\n",
1142 plist
->count
, plist
->rangecount
,
1143 plist
->head
? plist
->head
->seq
: 0,
1144 plist
->tail
? plist
->tail
->seq
: 0);
1147 if (dtype
!= summary_display
) {
1148 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1149 if (dtype
== sequential_display
1150 && pentry
->seq
!= seqnum
)
1156 vty_out(vty
, "seq %" PRId64
" ", pentry
->seq
);
1158 vty_out(vty
, "%s ", prefix_list_type_str(pentry
));
1161 vty_out(vty
, "any");
1163 struct prefix
*p
= &pentry
->prefix
;
1166 vty_out(vty
, "%s/%d",
1167 inet_ntop(p
->family
, p
->u
.val
, buf
,
1172 vty_out(vty
, " ge %d", pentry
->ge
);
1174 vty_out(vty
, " le %d", pentry
->le
);
1177 if (dtype
== detail_display
1178 || dtype
== sequential_display
)
1179 vty_out(vty
, " (hit count: %ld, refcount: %ld)",
1180 pentry
->hitcnt
, pentry
->refcnt
);
1187 static int vty_show_prefix_list(struct vty
*vty
, afi_t afi
, const char *name
,
1188 const char *seq
, enum display_type dtype
)
1190 struct prefix_list
*plist
;
1191 struct prefix_master
*master
;
1194 master
= prefix_master_get(afi
, 0);
1199 seqnum
= (int64_t)atol(seq
);
1202 plist
= prefix_list_lookup(afi
, name
);
1204 vty_out(vty
, "%% Can't find specified prefix-list\n");
1207 vty_show_prefix_entry(vty
, afi
, plist
, master
, dtype
, seqnum
);
1209 if (dtype
== detail_display
|| dtype
== summary_display
) {
1212 "Prefix-list with the last deletion/insertion: %s\n",
1213 master
->recent
->name
);
1216 for (plist
= master
->num
.head
; plist
; plist
= plist
->next
)
1217 vty_show_prefix_entry(vty
, afi
, plist
, master
, dtype
,
1220 for (plist
= master
->str
.head
; plist
; plist
= plist
->next
)
1221 vty_show_prefix_entry(vty
, afi
, plist
, master
, dtype
,
1228 static int vty_show_prefix_list_prefix(struct vty
*vty
, afi_t afi
,
1229 const char *name
, const char *prefix
,
1230 enum display_type type
)
1232 struct prefix_list
*plist
;
1233 struct prefix_list_entry
*pentry
;
1238 plist
= prefix_list_lookup(afi
, name
);
1240 vty_out(vty
, "%% Can't find specified prefix-list\n");
1244 ret
= str2prefix(prefix
, &p
);
1246 vty_out(vty
, "%% prefix is malformed\n");
1250 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1253 if (type
== normal_display
|| type
== first_match_display
)
1254 if (prefix_same(&p
, &pentry
->prefix
))
1257 if (type
== longer_display
) {
1258 if ((p
.family
== pentry
->prefix
.family
)
1259 && (prefix_match(&p
, &pentry
->prefix
)))
1264 vty_out(vty
, " seq %" PRId64
" %s ", pentry
->seq
,
1265 prefix_list_type_str(pentry
));
1268 vty_out(vty
, "any");
1270 struct prefix
*pf
= &pentry
->prefix
;
1273 vty_out(vty
, "%s/%d",
1274 inet_ntop(pf
->family
, pf
->u
.val
, buf
,
1279 vty_out(vty
, " ge %d", pentry
->ge
);
1281 vty_out(vty
, " le %d", pentry
->le
);
1284 if (type
== normal_display
1285 || type
== first_match_display
)
1286 vty_out(vty
, " (hit count: %ld, refcount: %ld)",
1287 pentry
->hitcnt
, pentry
->refcnt
);
1291 if (type
== first_match_display
)
1298 static int vty_clear_prefix_list(struct vty
*vty
, afi_t afi
, const char *name
,
1301 struct prefix_master
*master
;
1302 struct prefix_list
*plist
;
1303 struct prefix_list_entry
*pentry
;
1307 master
= prefix_master_get(afi
, 0);
1311 if (name
== NULL
&& prefix
== NULL
) {
1312 for (plist
= master
->num
.head
; plist
; plist
= plist
->next
)
1313 for (pentry
= plist
->head
; pentry
;
1314 pentry
= pentry
->next
)
1317 for (plist
= master
->str
.head
; plist
; plist
= plist
->next
)
1318 for (pentry
= plist
->head
; pentry
;
1319 pentry
= pentry
->next
)
1322 plist
= prefix_list_lookup(afi
, name
);
1324 vty_out(vty
, "%% Can't find specified prefix-list\n");
1329 ret
= str2prefix(prefix
, &p
);
1331 vty_out(vty
, "%% prefix is malformed\n");
1336 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1338 if (pentry
->prefix
.family
== p
.family
1339 && prefix_match(&pentry
->prefix
, &p
))
1348 #ifndef VTYSH_EXTRACT_PL
1349 #include "lib/plist_clippy.c"
1352 DEFPY (ip_prefix_list
,
1354 "ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>",
1357 "Name of a prefix list\n"
1358 "sequence number of an entry\n"
1360 "Specify packets to reject\n"
1361 "Specify packets to forward\n"
1362 "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n"
1363 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n"
1364 "Minimum prefix length to be matched\n"
1365 "Minimum prefix length\n"
1366 "Maximum prefix length to be matched\n"
1367 "Maximum prefix length\n")
1369 return vty_prefix_list_install(vty
, AFI_IP
, prefix_list
, seq_str
,
1370 action
, dest
, ge_str
, le_str
);
1373 DEFPY (no_ip_prefix_list
,
1374 no_ip_prefix_list_cmd
,
1375 "no ip prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|A.B.C.D/M$dest [{ge (0-32)|le (0-32)}]>",
1379 "Name of a prefix list\n"
1380 "sequence number of an entry\n"
1382 "Specify packets to reject\n"
1383 "Specify packets to forward\n"
1384 "Any prefix match. Same as \"0.0.0.0/0 le 32\"\n"
1385 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n"
1386 "Minimum prefix length to be matched\n"
1387 "Minimum prefix length\n"
1388 "Maximum prefix length to be matched\n"
1389 "Maximum prefix length\n")
1391 return vty_prefix_list_uninstall(vty
, AFI_IP
, prefix_list
, seq_str
,
1392 action
, dest
, ge_str
, le_str
);
1395 DEFPY(no_ip_prefix_list_seq
, no_ip_prefix_list_seq_cmd
,
1396 "no ip prefix-list WORD seq (1-4294967295)",
1397 NO_STR IP_STR PREFIX_LIST_STR
1398 "Name of a prefix list\n"
1399 "sequence number of an entry\n"
1400 "Sequence number\n")
1402 return vty_prefix_list_uninstall(vty
, AFI_IP
, prefix_list
, seq_str
,
1403 NULL
, NULL
, NULL
, NULL
);
1406 DEFPY (no_ip_prefix_list_all
,
1407 no_ip_prefix_list_all_cmd
,
1408 "no ip prefix-list WORD",
1412 "Name of a prefix list\n")
1414 return vty_prefix_list_uninstall(vty
, AFI_IP
, prefix_list
, NULL
, NULL
,
1418 DEFPY (ip_prefix_list_sequence_number
,
1419 ip_prefix_list_sequence_number_cmd
,
1420 "[no] ip prefix-list sequence-number",
1424 "Include/exclude sequence numbers in NVGEN\n")
1426 prefix_master_ipv4
.seqnum
= no
? false : true;
1430 DEFUN (ip_prefix_list_description
,
1431 ip_prefix_list_description_cmd
,
1432 "ip prefix-list WORD description LINE...",
1435 "Name of a prefix list\n"
1436 "Prefix-list specific description\n"
1437 "Up to 80 characters describing this prefix-list\n")
1441 struct prefix_list
*plist
;
1443 plist
= prefix_list_get(AFI_IP
, 0, argv
[idx_word
]->arg
);
1446 XFREE(MTYPE_TMP
, plist
->desc
);
1449 plist
->desc
= argv_concat(argv
, argc
, idx_line
);
1454 DEFUN (no_ip_prefix_list_description
,
1455 no_ip_prefix_list_description_cmd
,
1456 "no ip prefix-list WORD description",
1460 "Name of a prefix list\n"
1461 "Prefix-list specific description\n")
1464 return vty_prefix_list_desc_unset(vty
, AFI_IP
, argv
[idx_word
]->arg
);
1468 DEFUN (no_ip_prefix_list_description_comment
,
1469 no_ip_prefix_list_description_comment_cmd
,
1470 "no ip prefix-list WORD description LINE...",
1474 "Name of a prefix list\n"
1475 "Prefix-list specific description\n"
1476 "Up to 80 characters describing this prefix-list\n")
1478 return no_ip_prefix_list_description(self
, vty
, argc
, argv
);
1481 DEFPY (show_ip_prefix_list
,
1482 show_ip_prefix_list_cmd
,
1483 "show ip prefix-list [WORD [seq$dseq (1-4294967295)$arg]]",
1487 "Name of a prefix list\n"
1488 "sequence number of an entry\n"
1489 "Sequence number\n")
1491 enum display_type dtype
= normal_display
;
1493 dtype
= sequential_display
;
1495 return vty_show_prefix_list(vty
, AFI_IP
, prefix_list
, arg_str
, dtype
);
1498 DEFPY (show_ip_prefix_list_prefix
,
1499 show_ip_prefix_list_prefix_cmd
,
1500 "show ip prefix-list WORD A.B.C.D/M$prefix [longer$dl|first-match$dfm]",
1504 "Name of a prefix list\n"
1505 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n"
1506 "Lookup longer prefix\n"
1507 "First matched prefix\n")
1509 enum display_type dtype
= normal_display
;
1511 dtype
= longer_display
;
1513 dtype
= first_match_display
;
1515 return vty_show_prefix_list_prefix(vty
, AFI_IP
, prefix_list
, prefix_str
,
1519 DEFPY (show_ip_prefix_list_summary
,
1520 show_ip_prefix_list_summary_cmd
,
1521 "show ip prefix-list summary [WORD$prefix_list]",
1525 "Summary of prefix lists\n"
1526 "Name of a prefix list\n")
1528 return vty_show_prefix_list(vty
, AFI_IP
, prefix_list
, NULL
,
1532 DEFPY (show_ip_prefix_list_detail
,
1533 show_ip_prefix_list_detail_cmd
,
1534 "show ip prefix-list detail [WORD$prefix_list]",
1538 "Detail of prefix lists\n"
1539 "Name of a prefix list\n")
1541 return vty_show_prefix_list(vty
, AFI_IP
, prefix_list
, NULL
,
1545 DEFPY (clear_ip_prefix_list
,
1546 clear_ip_prefix_list_cmd
,
1547 "clear ip prefix-list [WORD [A.B.C.D/M$prefix]]",
1551 "Name of a prefix list\n"
1552 "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n")
1554 return vty_clear_prefix_list(vty
, AFI_IP
, prefix_list
, prefix_str
);
1557 DEFPY (ipv6_prefix_list
,
1558 ipv6_prefix_list_cmd
,
1559 "ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>",
1562 "Name of a prefix list\n"
1563 "sequence number of an entry\n"
1565 "Specify packets to reject\n"
1566 "Specify packets to forward\n"
1567 "Any prefix match. Same as \"::0/0 le 128\"\n"
1568 "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n"
1569 "Maximum prefix length to be matched\n"
1570 "Maximum prefix length\n"
1571 "Minimum prefix length to be matched\n"
1572 "Minimum prefix length\n")
1574 return vty_prefix_list_install(vty
, AFI_IP6
, prefix_list
, seq_str
,
1575 action
, dest
, ge_str
, le_str
);
1578 DEFPY (no_ipv6_prefix_list
,
1579 no_ipv6_prefix_list_cmd
,
1580 "no ipv6 prefix-list WORD [seq (1-4294967295)] <deny|permit>$action <any$dest|X:X::X:X/M$dest [{ge (0-128)|le (0-128)}]>",
1584 "Name of a prefix list\n"
1585 "sequence number of an entry\n"
1587 "Specify packets to reject\n"
1588 "Specify packets to forward\n"
1589 "Any prefix match. Same as \"::0/0 le 128\"\n"
1590 "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n"
1591 "Maximum prefix length to be matched\n"
1592 "Maximum prefix length\n"
1593 "Minimum prefix length to be matched\n"
1594 "Minimum prefix length\n")
1596 return vty_prefix_list_uninstall(vty
, AFI_IP6
, prefix_list
, seq_str
,
1597 action
, dest
, ge_str
, le_str
);
1600 DEFPY (no_ipv6_prefix_list_all
,
1601 no_ipv6_prefix_list_all_cmd
,
1602 "no ipv6 prefix-list WORD",
1606 "Name of a prefix list\n")
1608 return vty_prefix_list_uninstall(vty
, AFI_IP6
, prefix_list
, NULL
, NULL
,
1612 DEFPY (ipv6_prefix_list_sequence_number
,
1613 ipv6_prefix_list_sequence_number_cmd
,
1614 "[no] ipv6 prefix-list sequence-number",
1618 "Include/exclude sequence numbers in NVGEN\n")
1620 prefix_master_ipv6
.seqnum
= no
? false : true;
1624 DEFUN (ipv6_prefix_list_description
,
1625 ipv6_prefix_list_description_cmd
,
1626 "ipv6 prefix-list WORD description LINE...",
1629 "Name of a prefix list\n"
1630 "Prefix-list specific description\n"
1631 "Up to 80 characters describing this prefix-list\n")
1635 struct prefix_list
*plist
;
1637 plist
= prefix_list_get(AFI_IP6
, 0, argv
[idx_word
]->arg
);
1640 XFREE(MTYPE_TMP
, plist
->desc
);
1643 plist
->desc
= argv_concat(argv
, argc
, iddx_line
);
1648 DEFUN (no_ipv6_prefix_list_description
,
1649 no_ipv6_prefix_list_description_cmd
,
1650 "no ipv6 prefix-list WORD description",
1654 "Name of a prefix list\n"
1655 "Prefix-list specific description\n")
1658 return vty_prefix_list_desc_unset(vty
, AFI_IP6
, argv
[idx_word
]->arg
);
1662 DEFUN (no_ipv6_prefix_list_description_comment
,
1663 no_ipv6_prefix_list_description_comment_cmd
,
1664 "no ipv6 prefix-list WORD description LINE...",
1668 "Name of a prefix list\n"
1669 "Prefix-list specific description\n"
1670 "Up to 80 characters describing this prefix-list\n")
1672 return no_ipv6_prefix_list_description(self
, vty
, argc
, argv
);
1676 DEFPY (show_ipv6_prefix_list
,
1677 show_ipv6_prefix_list_cmd
,
1678 "show ipv6 prefix-list [WORD [seq$dseq (1-4294967295)$arg]]",
1682 "Name of a prefix list\n"
1683 "sequence number of an entry\n"
1684 "Sequence number\n")
1686 enum display_type dtype
= normal_display
;
1688 dtype
= sequential_display
;
1690 return vty_show_prefix_list(vty
, AFI_IP6
, prefix_list
, arg_str
, dtype
);
1693 DEFPY (show_ipv6_prefix_list_prefix
,
1694 show_ipv6_prefix_list_prefix_cmd
,
1695 "show ipv6 prefix-list WORD X:X::X:X/M$prefix [longer$dl|first-match$dfm]",
1699 "Name of a prefix list\n"
1700 "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n"
1701 "Lookup longer prefix\n"
1702 "First matched prefix\n")
1704 enum display_type dtype
= normal_display
;
1706 dtype
= longer_display
;
1708 dtype
= first_match_display
;
1710 return vty_show_prefix_list_prefix(vty
, AFI_IP6
, prefix_list
,
1714 DEFPY (show_ipv6_prefix_list_summary
,
1715 show_ipv6_prefix_list_summary_cmd
,
1716 "show ipv6 prefix-list summary [WORD$prefix-list]",
1720 "Summary of prefix lists\n"
1721 "Name of a prefix list\n")
1723 return vty_show_prefix_list(vty
, AFI_IP6
, prefix_list
, NULL
,
1727 DEFPY (show_ipv6_prefix_list_detail
,
1728 show_ipv6_prefix_list_detail_cmd
,
1729 "show ipv6 prefix-list detail [WORD$prefix-list]",
1733 "Detail of prefix lists\n"
1734 "Name of a prefix list\n")
1736 return vty_show_prefix_list(vty
, AFI_IP6
, prefix_list
, NULL
,
1740 DEFPY (clear_ipv6_prefix_list
,
1741 clear_ipv6_prefix_list_cmd
,
1742 "clear ipv6 prefix-list [WORD [X:X::X:X/M$prefix]]",
1746 "Name of a prefix list\n"
1747 "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n")
1749 return vty_clear_prefix_list(vty
, AFI_IP6
, prefix_list
, prefix_str
);
1752 /* Configuration write function. */
1753 static int config_write_prefix_afi(afi_t afi
, struct vty
*vty
)
1755 struct prefix_list
*plist
;
1756 struct prefix_list_entry
*pentry
;
1757 struct prefix_master
*master
;
1760 master
= prefix_master_get(afi
, 0);
1764 if (!master
->seqnum
) {
1765 vty_out(vty
, "no ip%s prefix-list sequence-number\n",
1766 afi
== AFI_IP
? "" : "v6");
1767 vty_out(vty
, "!\n");
1770 for (plist
= master
->num
.head
; plist
; plist
= plist
->next
) {
1772 vty_out(vty
, "ip%s prefix-list %s description %s\n",
1773 afi
== AFI_IP
? "" : "v6", plist
->name
,
1778 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1779 vty_out(vty
, "ip%s prefix-list %s ",
1780 afi
== AFI_IP
? "" : "v6", plist
->name
);
1783 vty_out(vty
, "seq %" PRId64
" ", pentry
->seq
);
1785 vty_out(vty
, "%s ", prefix_list_type_str(pentry
));
1788 vty_out(vty
, "any");
1790 struct prefix
*p
= &pentry
->prefix
;
1793 vty_out(vty
, "%s/%d",
1794 inet_ntop(p
->family
, p
->u
.val
, buf
,
1799 vty_out(vty
, " ge %d", pentry
->ge
);
1801 vty_out(vty
, " le %d", pentry
->le
);
1806 /* vty_out (vty, "!\n"); */
1809 for (plist
= master
->str
.head
; plist
; plist
= plist
->next
) {
1811 vty_out(vty
, "ip%s prefix-list %s description %s\n",
1812 afi
== AFI_IP
? "" : "v6", plist
->name
,
1817 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1818 vty_out(vty
, "ip%s prefix-list %s ",
1819 afi
== AFI_IP
? "" : "v6", plist
->name
);
1822 vty_out(vty
, "seq %" PRId64
" ", pentry
->seq
);
1824 vty_out(vty
, "%s", prefix_list_type_str(pentry
));
1827 vty_out(vty
, " any");
1829 struct prefix
*p
= &pentry
->prefix
;
1832 vty_out(vty
, " %s/%d",
1833 inet_ntop(p
->family
, p
->u
.val
, buf
,
1838 vty_out(vty
, " ge %d", pentry
->ge
);
1840 vty_out(vty
, " le %d", pentry
->le
);
1850 struct stream
*prefix_bgp_orf_entry(struct stream
*s
, struct prefix_list
*plist
,
1851 uint8_t init_flag
, uint8_t permit_flag
,
1854 struct prefix_list_entry
*pentry
;
1859 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1860 uint8_t flag
= init_flag
;
1861 struct prefix
*p
= &pentry
->prefix
;
1863 flag
|= (pentry
->type
== PREFIX_PERMIT
? permit_flag
1865 stream_putc(s
, flag
);
1866 stream_putl(s
, (uint32_t)pentry
->seq
);
1867 stream_putc(s
, (uint8_t)pentry
->ge
);
1868 stream_putc(s
, (uint8_t)pentry
->le
);
1869 stream_put_prefix(s
, p
);
1875 int prefix_bgp_orf_set(char *name
, afi_t afi
, struct orf_prefix
*orfp
,
1876 int permit
, int set
)
1878 struct prefix_list
*plist
;
1879 struct prefix_list_entry
*pentry
;
1881 /* ge and le value check */
1882 if (orfp
->ge
&& orfp
->ge
<= orfp
->p
.prefixlen
)
1883 return CMD_WARNING_CONFIG_FAILED
;
1884 if (orfp
->le
&& orfp
->le
<= orfp
->p
.prefixlen
)
1885 return CMD_WARNING_CONFIG_FAILED
;
1886 if (orfp
->le
&& orfp
->ge
> orfp
->le
)
1887 return CMD_WARNING_CONFIG_FAILED
;
1889 if (orfp
->ge
&& orfp
->le
== (afi
== AFI_IP
? 32 : 128))
1892 plist
= prefix_list_get(afi
, 1, name
);
1894 return CMD_WARNING_CONFIG_FAILED
;
1896 apply_mask(&orfp
->p
);
1899 pentry
= prefix_list_entry_make(
1900 &orfp
->p
, (permit
? PREFIX_PERMIT
: PREFIX_DENY
),
1901 orfp
->seq
, orfp
->le
, orfp
->ge
, false);
1903 if (prefix_entry_dup_check(plist
, pentry
)) {
1904 prefix_list_entry_free(pentry
);
1905 return CMD_WARNING_CONFIG_FAILED
;
1908 prefix_list_entry_add(plist
, pentry
);
1910 pentry
= prefix_list_entry_lookup(
1911 plist
, &orfp
->p
, (permit
? PREFIX_PERMIT
: PREFIX_DENY
),
1912 orfp
->seq
, orfp
->le
, orfp
->ge
);
1915 return CMD_WARNING_CONFIG_FAILED
;
1917 prefix_list_entry_delete(plist
, pentry
, 1);
1923 void prefix_bgp_orf_remove_all(afi_t afi
, char *name
)
1925 struct prefix_list
*plist
;
1927 plist
= prefix_bgp_orf_lookup(afi
, name
);
1929 prefix_list_delete(plist
);
1932 /* return prefix count */
1933 int prefix_bgp_show_prefix_list(struct vty
*vty
, afi_t afi
, char *name
,
1936 struct prefix_list
*plist
;
1937 struct prefix_list_entry
*pentry
;
1938 json_object
*json
= NULL
;
1939 json_object
*json_prefix
= NULL
;
1940 json_object
*json_list
= NULL
;
1942 plist
= prefix_bgp_orf_lookup(afi
, name
);
1947 return plist
->count
;
1950 json
= json_object_new_object();
1951 json_prefix
= json_object_new_object();
1952 json_list
= json_object_new_object();
1954 json_object_int_add(json_prefix
, "prefixListCounter",
1956 json_object_string_add(json_prefix
, "prefixListName",
1959 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1960 struct prefix
*p
= &pentry
->prefix
;
1964 snprintf(buf_a
, sizeof(buf_a
), "%s/%d",
1965 inet_ntop(p
->family
, p
->u
.val
, buf_b
, BUFSIZ
),
1968 json_object_int_add(json_list
, "seq", pentry
->seq
);
1969 json_object_string_add(json_list
, "seqPrefixListType",
1970 prefix_list_type_str(pentry
));
1973 json_object_int_add(json_list
, "ge",
1976 json_object_int_add(json_list
, "le",
1979 json_object_object_add(json_prefix
, buf_a
, json_list
);
1982 json_object_object_add(json
, "ipPrefixList",
1985 json_object_object_add(json
, "ipv6PrefixList",
1988 vty_out(vty
, "%s\n", json_object_to_json_string_ext(
1989 json
, JSON_C_TO_STRING_PRETTY
));
1990 json_object_free(json
);
1992 vty_out(vty
, "ip%s prefix-list %s: %d entries\n",
1993 afi
== AFI_IP
? "" : "v6", plist
->name
, plist
->count
);
1995 for (pentry
= plist
->head
; pentry
; pentry
= pentry
->next
) {
1996 struct prefix
*p
= &pentry
->prefix
;
1999 vty_out(vty
, " seq %" PRId64
" %s %s/%d",
2001 prefix_list_type_str(pentry
),
2002 inet_ntop(p
->family
, p
->u
.val
, buf
, BUFSIZ
),
2006 vty_out(vty
, " ge %d", pentry
->ge
);
2008 vty_out(vty
, " le %d", pentry
->le
);
2013 return plist
->count
;
2016 static void prefix_list_reset_afi(afi_t afi
, int orf
)
2018 struct prefix_list
*plist
;
2019 struct prefix_list
*next
;
2020 struct prefix_master
*master
;
2022 master
= prefix_master_get(afi
, orf
);
2026 for (plist
= master
->num
.head
; plist
; plist
= next
) {
2028 prefix_list_delete(plist
);
2030 for (plist
= master
->str
.head
; plist
; plist
= next
) {
2032 prefix_list_delete(plist
);
2035 assert(master
->num
.head
== NULL
);
2036 assert(master
->num
.tail
== NULL
);
2038 assert(master
->str
.head
== NULL
);
2039 assert(master
->str
.tail
== NULL
);
2041 master
->seqnum
= true;
2042 master
->recent
= NULL
;
2046 static int config_write_prefix_ipv4(struct vty
*vty
);
2047 /* Prefix-list node. */
2048 static struct cmd_node prefix_node
= {
2049 .name
= "ipv4 prefix list",
2050 .node
= PREFIX_NODE
,
2052 .config_write
= config_write_prefix_ipv4
,
2055 static int config_write_prefix_ipv4(struct vty
*vty
)
2057 return config_write_prefix_afi(AFI_IP
, vty
);
2060 static void plist_autocomplete_afi(afi_t afi
, vector comps
,
2061 struct cmd_token
*token
)
2063 struct prefix_list
*plist
;
2064 struct prefix_master
*master
;
2066 master
= prefix_master_get(afi
, 0);
2070 for (plist
= master
->str
.head
; plist
; plist
= plist
->next
)
2071 vector_set(comps
, XSTRDUP(MTYPE_COMPLETION
, plist
->name
));
2072 for (plist
= master
->num
.head
; plist
; plist
= plist
->next
)
2073 vector_set(comps
, XSTRDUP(MTYPE_COMPLETION
, plist
->name
));
2076 static void plist_autocomplete(vector comps
, struct cmd_token
*token
)
2078 plist_autocomplete_afi(AFI_IP
, comps
, token
);
2079 plist_autocomplete_afi(AFI_IP6
, comps
, token
);
2082 static const struct cmd_variable_handler plist_var_handlers
[] = {
2083 {/* "prefix-list WORD" */
2084 .varname
= "prefix_list",
2085 .completions
= plist_autocomplete
},
2086 {.completions
= NULL
}};
2089 static void prefix_list_init_ipv4(void)
2091 install_node(&prefix_node
);
2093 install_element(CONFIG_NODE
, &ip_prefix_list_cmd
);
2094 install_element(CONFIG_NODE
, &no_ip_prefix_list_cmd
);
2095 install_element(CONFIG_NODE
, &no_ip_prefix_list_seq_cmd
);
2096 install_element(CONFIG_NODE
, &no_ip_prefix_list_all_cmd
);
2098 install_element(CONFIG_NODE
, &ip_prefix_list_description_cmd
);
2099 install_element(CONFIG_NODE
, &no_ip_prefix_list_description_cmd
);
2100 install_element(CONFIG_NODE
,
2101 &no_ip_prefix_list_description_comment_cmd
);
2103 install_element(CONFIG_NODE
, &ip_prefix_list_sequence_number_cmd
);
2105 install_element(VIEW_NODE
, &show_ip_prefix_list_cmd
);
2106 install_element(VIEW_NODE
, &show_ip_prefix_list_prefix_cmd
);
2107 install_element(VIEW_NODE
, &show_ip_prefix_list_summary_cmd
);
2108 install_element(VIEW_NODE
, &show_ip_prefix_list_detail_cmd
);
2110 install_element(ENABLE_NODE
, &clear_ip_prefix_list_cmd
);
2113 static int config_write_prefix_ipv6(struct vty
*vty
);
2114 /* Prefix-list node. */
2115 static struct cmd_node prefix_ipv6_node
= {
2116 .name
= "ipv6 prefix list",
2117 .node
= PREFIX_IPV6_NODE
,
2119 .config_write
= config_write_prefix_ipv6
,
2122 static int config_write_prefix_ipv6(struct vty
*vty
)
2124 return config_write_prefix_afi(AFI_IP6
, vty
);
2127 static void prefix_list_init_ipv6(void)
2129 install_node(&prefix_ipv6_node
);
2131 install_element(CONFIG_NODE
, &ipv6_prefix_list_cmd
);
2132 install_element(CONFIG_NODE
, &no_ipv6_prefix_list_cmd
);
2133 install_element(CONFIG_NODE
, &no_ipv6_prefix_list_all_cmd
);
2135 install_element(CONFIG_NODE
, &ipv6_prefix_list_description_cmd
);
2136 install_element(CONFIG_NODE
, &no_ipv6_prefix_list_description_cmd
);
2137 install_element(CONFIG_NODE
,
2138 &no_ipv6_prefix_list_description_comment_cmd
);
2140 install_element(CONFIG_NODE
, &ipv6_prefix_list_sequence_number_cmd
);
2142 install_element(VIEW_NODE
, &show_ipv6_prefix_list_cmd
);
2143 install_element(VIEW_NODE
, &show_ipv6_prefix_list_prefix_cmd
);
2144 install_element(VIEW_NODE
, &show_ipv6_prefix_list_summary_cmd
);
2145 install_element(VIEW_NODE
, &show_ipv6_prefix_list_detail_cmd
);
2147 install_element(ENABLE_NODE
, &clear_ipv6_prefix_list_cmd
);
2150 void prefix_list_init(void)
2152 cmd_variable_handler_register(plist_var_handlers
);
2154 prefix_list_init_ipv4();
2155 prefix_list_init_ipv6();
2158 void prefix_list_reset(void)
2160 prefix_list_reset_afi(AFI_IP
, 0);
2161 prefix_list_reset_afi(AFI_IP6
, 0);
2162 prefix_list_reset_afi(AFI_IP
, 1);
2163 prefix_list_reset_afi(AFI_IP6
, 1);