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Annotation of embedaddon/quagga/bgpd/bgp_ecommunity.h, revision 1.1.1.2

1.1       misho       1: /* BGP Extended Communities Attribute.
                      2:    Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
                      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_ECOMMUNITY_H
                     22: #define _QUAGGA_BGP_ECOMMUNITY_H
                     23: 
                     24: /* High-order octet of the Extended Communities type field.  */
                     25: #define ECOMMUNITY_ENCODE_AS                0x00
                     26: #define ECOMMUNITY_ENCODE_IP                0x01
                     27: #define ECOMMUNITY_ENCODE_AS4               0x02
                     28: 
                     29: /* Low-order octet of the Extended Communityes type field.  */
                     30: #define ECOMMUNITY_ROUTE_TARGET             0x02
                     31: #define ECOMMUNITY_SITE_ORIGIN              0x03
                     32: 
                     33: /* Extended communities attribute string format.  */
                     34: #define ECOMMUNITY_FORMAT_ROUTE_MAP            0
                     35: #define ECOMMUNITY_FORMAT_COMMUNITY_LIST       1
                     36: #define ECOMMUNITY_FORMAT_DISPLAY              2
                     37: 
                     38: /* Extended Communities value is eight octet long.  */
                     39: #define ECOMMUNITY_SIZE                        8
                     40: 
                     41: /* Extended Communities type flag.  */
                     42: #define ECOMMUNITY_FLAG_NON_TRANSITIVE      0x40  
                     43: 
                     44: /* Extended Communities attribute.  */
                     45: struct ecommunity
                     46: {
                     47:   /* Reference counter.  */
                     48:   unsigned long refcnt;
                     49: 
                     50:   /* Size of Extended Communities attribute.  */
                     51:   int size;
                     52: 
                     53:   /* Extended Communities value.  */
                     54:   u_int8_t *val;
                     55: 
                     56:   /* Human readable format string.  */
                     57:   char *str;
                     58: };
                     59: 
                     60: /* Extended community value is eight octet.  */
                     61: struct ecommunity_val
                     62: {
                     63:   char val[ECOMMUNITY_SIZE];
                     64: };
                     65: 
                     66: #define ecom_length(X)    ((X)->size * ECOMMUNITY_SIZE)
                     67: 
                     68: extern void ecommunity_init (void);
                     69: extern void ecommunity_finish (void);
                     70: extern void ecommunity_free (struct ecommunity **);
                     71: extern struct ecommunity *ecommunity_parse (u_int8_t *, u_short);
                     72: extern struct ecommunity *ecommunity_dup (struct ecommunity *);
                     73: extern struct ecommunity *ecommunity_merge (struct ecommunity *, struct ecommunity *);
1.1.1.2 ! misho      74: extern struct ecommunity *ecommunity_uniq_sort (struct ecommunity *);
1.1       misho      75: extern struct ecommunity *ecommunity_intern (struct ecommunity *);
                     76: extern int ecommunity_cmp (const void *, const void *);
                     77: extern void ecommunity_unintern (struct ecommunity **);
                     78: extern unsigned int ecommunity_hash_make (void *);
                     79: extern struct ecommunity *ecommunity_str2com (const char *, int, int);
                     80: extern char *ecommunity_ecom2str (struct ecommunity *, int);
                     81: extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *);
                     82: extern char *ecommunity_str (struct ecommunity *);
                     83: 
                     84: #endif /* _QUAGGA_BGP_ECOMMUNITY_H */