blob: 016b0f6ffa879162eb3b3423e68ad9bfdf7eaf16 [file] [log] [blame]
paul718e3742002-12-13 20:15:29 +00001/* Community attribute related functions.
2 Copyright (C) 1998 Kunihiro Ishiguro
3
4This file is part of GNU Zebra.
5
6GNU Zebra is free software; you can redistribute it and/or modify it
7under the terms of the GNU General Public License as published by the
8Free Software Foundation; either version 2, or (at your option) any
9later version.
10
11GNU Zebra is distributed in the hope that it will be useful, but
12WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU Zebra; see the file COPYING. If not, write to the Free
18Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1902111-1307, USA. */
20
21/* Communities attribute. */
22struct community
23{
24 /* Reference count of communities value. */
25 unsigned long refcnt;
26
27 /* Communities value size. */
28 int size;
29
30 /* Communities value. */
31 u_int32_t *val;
32
33 /* String of community attribute. This sring is used by vty output
34 and expanded community-list for regular expression match. */
35 char *str;
36};
37
38/* Well-known communities value. */
39#define COMMUNITY_INTERNET 0x0
40#define COMMUNITY_NO_EXPORT 0xFFFFFF01
41#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
42#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
43#define COMMUNITY_LOCAL_AS 0xFFFFFF03
44
45/* Macros of community attribute. */
46#define com_length(X) ((X)->size * 4)
47#define com_lastval(X) ((X)->val + (X)->size - 1)
48#define com_nthval(X,n) ((X)->val + (n))
49
50/* Prototypes of communities attribute functions. */
51void community_init ();
52void community_free (struct community *);
53struct community *community_uniq_sort (struct community *);
paul5228ad22004-06-04 17:58:18 +000054struct community *community_parse (u_int32_t *, u_short);
paul718e3742002-12-13 20:15:29 +000055struct community *community_intern (struct community *);
56void community_unintern (struct community *);
57char *community_str (struct community *);
58unsigned int community_hash_make (struct community *);
paulfd79ac92004-10-13 05:06:08 +000059struct community *community_str2com (const char *);
60int community_match (const struct community *, const struct community *);
61int community_cmp (const struct community *, const struct community *);
paul718e3742002-12-13 20:15:29 +000062struct community *community_merge (struct community *, struct community *);
63struct community *community_delete (struct community *, struct community *);
64struct community *community_dup (struct community *);
65int community_include (struct community *, u_int32_t);
66void community_del_val (struct community *, u_int32_t *);
67unsigned long community_count ();
68struct hash *community_hash ();