bgp_community.h
上传用户:xiaozhuqw
上传日期:2009-11-15
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文件大小:3k
- /* Community attribute related functions.
- Copyright (C) 1998 Kunihiro Ishiguro
- This file is part of GNU Zebra.
- GNU Zebra is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
- GNU Zebra is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNU Zebra; see the file COPYING. If not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
- /* Communities attribute. */
- struct community
- {
- /* Reference count of communities value. */
- unsigned long refcnt;
- /* Communities value size. */
- int size;
- /* Communities value. */
- u_int32_t *val;
- /* String of community attribute. This sring is used by vty output
- and expanded community-list for regular expression match. */
- char *str;
- };
- /* Well-known communities value. */
- #define COMMUNITY_INTERNET 0x0
- #define COMMUNITY_NO_EXPORT 0xFFFFFF01
- #define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
- #define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
- #define COMMUNITY_LOCAL_AS 0xFFFFFF03
- /* Macros of community attribute. */
- #define com_length(X) ((X)->size * 4)
- #define com_lastval(X) ((X)->val + (X)->size - 1)
- #define com_nthval(X,n) ((X)->val + (n))
- /* Prototypes of communities attribute functions. */
- void community_init ();
- void community_free (struct community *);
- struct community *community_uniq_sort (struct community *);
- struct community *community_parse (char *, u_short);
- struct community *community_intern (struct community *);
- void community_unintern (struct community *);
- char *community_str (struct community *);
- unsigned int community_hash_make (struct community *);
- struct community *community_str2com (char *);
- int community_match (struct community *, struct community *);
- int community_cmp (struct community *, struct community *);
- struct community *community_merge (struct community *, struct community *);
- struct community *community_delete (struct community *, struct community *);
- struct community *community_dup (struct community *);
- int community_include (struct community *, u_int32_t);
- void community_del_val (struct community *, u_int32_t *);
- unsigned long community_count ();
- struct hash *community_hash ();