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quagga 1.0.20160315

    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: extern u_int32_t community_val_get (struct community *com, int i);
   74: 
   75: #endif /* _QUAGGA_BGP_COMMUNITY_H */