1 /* Community attribute related functions.
2 Copyright (C) 1998 Kunihiro Ishiguro
4 This file is part of GNU Zebra.
6 GNU Zebra is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
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
17 along with GNU Zebra; see the file COPYING. If not, write to the Free
18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21 #ifndef _QUAGGA_BGP_COMMUNITY_H
22 #define _QUAGGA_BGP_COMMUNITY_H
24 /* Communities attribute. */
27 /* Reference count of communities value. */
30 /* Communities value size. */
33 /* Communities value. */
36 /* String of community attribute. This sring is used by vty output
37 and expanded community-list for regular expression match. */
41 /* Well-known communities value. */
42 #define COMMUNITY_INTERNET 0x0
43 #define COMMUNITY_NO_EXPORT 0xFFFFFF01
44 #define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
45 #define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
46 #define COMMUNITY_LOCAL_AS 0xFFFFFF03
48 /* Macros of community attribute. */
49 #define com_length(X) ((X)->size * 4)
50 #define com_lastval(X) ((X)->val + (X)->size - 1)
51 #define com_nthval(X,n) ((X)->val + (n))
53 /* Prototypes of communities attribute functions. */
54 extern void community_init (void);
55 extern void community_finish (void);
56 extern void community_free (struct community *);
57 extern struct community *community_uniq_sort (struct community *);
58 extern struct community *community_parse (u_int32_t *, u_short);
59 extern struct community *community_intern (struct community *);
60 extern void community_unintern (struct community **);
61 extern char *community_str (struct community *);
62 extern unsigned int community_hash_make (struct community *);
63 extern struct community *community_str2com (const char *);
64 extern int community_match (const struct community *, const struct community *);
65 extern int community_cmp (const struct community *, const struct community *);
66 extern struct community *community_merge (struct community *, struct community *);
67 extern struct community *community_delete (struct community *, struct community *);
68 extern struct community *community_dup (struct community *);
69 extern int community_include (struct community *, u_int32_t);
70 extern void community_del_val (struct community *, u_int32_t *);
71 extern unsigned long community_count (void);
72 extern struct hash *community_hash (void);
73 extern u_int32_t community_val_get (struct community *com, int i);
75 #endif /* _QUAGGA_BGP_COMMUNITY_H */