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

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 *);
        !            74: extern struct ecommunity *ecommunity_intern (struct ecommunity *);
        !            75: extern int ecommunity_cmp (const void *, const void *);
        !            76: extern void ecommunity_unintern (struct ecommunity **);
        !            77: extern unsigned int ecommunity_hash_make (void *);
        !            78: extern struct ecommunity *ecommunity_str2com (const char *, int, int);
        !            79: extern char *ecommunity_ecom2str (struct ecommunity *, int);
        !            80: extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *);
        !            81: extern char *ecommunity_str (struct ecommunity *);
        !            82: 
        !            83: #endif /* _QUAGGA_BGP_ECOMMUNITY_H */