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Annotation of embedaddon/quagga/bgpd/bgp_community.h, revision 1.1

1.1     ! misho       1: /* Community attribute related functions.
        !             2:    Copyright (C) 1998 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 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
        !             9: 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: 
        !            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
        !            19: 02111-1307, USA.  */
        !            20: 
        !            21: #ifndef _QUAGGA_BGP_COMMUNITY_H
        !            22: #define _QUAGGA_BGP_COMMUNITY_H
        !            23: 
        !            24: /* Communities attribute.  */
        !            25: struct community 
        !            26: {
        !            27:   /* Reference count of communities value.  */
        !            28:   unsigned long refcnt;
        !            29: 
        !            30:   /* Communities value size.  */
        !            31:   int size;
        !            32: 
        !            33:   /* Communities value.  */
        !            34:   u_int32_t *val;
        !            35: 
        !            36:   /* String of community attribute.  This sring is used by vty output
        !            37:      and expanded community-list for regular expression match.  */
        !            38:   char *str;
        !            39: };
        !            40: 
        !            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
        !            47: 
        !            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))
        !            52: 
        !            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: 
        !            74: #endif /* _QUAGGA_BGP_COMMUNITY_H */