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Annotation of embedaddon/quagga/bgpd/bgp_ecommunity.h, revision 1.1.1.3

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
1.1.1.3 ! misho      28: #define ECOMMUNITY_ENCODE_OPAQUE            0x03
1.1       misho      29: 
1.1.1.3 ! misho      30: /* Low-order octet of the Extended Communities type field.  */
1.1       misho      31: #define ECOMMUNITY_ROUTE_TARGET             0x02
                     32: #define ECOMMUNITY_SITE_ORIGIN              0x03
1.1.1.3 ! misho      33: 
        !            34: /* Low-order octet of the Extended Communities type field for OPAQUE types */
        !            35: #define ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP     0x0c
1.1       misho      36: 
                     37: /* Extended communities attribute string format.  */
                     38: #define ECOMMUNITY_FORMAT_ROUTE_MAP            0
                     39: #define ECOMMUNITY_FORMAT_COMMUNITY_LIST       1
                     40: #define ECOMMUNITY_FORMAT_DISPLAY              2
                     41: 
                     42: /* Extended Communities value is eight octet long.  */
                     43: #define ECOMMUNITY_SIZE                        8
                     44: 
                     45: /* Extended Communities type flag.  */
                     46: #define ECOMMUNITY_FLAG_NON_TRANSITIVE      0x40  
                     47: 
                     48: /* Extended Communities attribute.  */
                     49: struct ecommunity
                     50: {
                     51:   /* Reference counter.  */
                     52:   unsigned long refcnt;
                     53: 
                     54:   /* Size of Extended Communities attribute.  */
                     55:   int size;
                     56: 
                     57:   /* Extended Communities value.  */
                     58:   u_int8_t *val;
                     59: 
                     60:   /* Human readable format string.  */
                     61:   char *str;
                     62: };
                     63: 
                     64: /* Extended community value is eight octet.  */
                     65: struct ecommunity_val
                     66: {
                     67:   char val[ECOMMUNITY_SIZE];
                     68: };
                     69: 
                     70: #define ecom_length(X)    ((X)->size * ECOMMUNITY_SIZE)
                     71: 
                     72: extern void ecommunity_init (void);
                     73: extern void ecommunity_finish (void);
                     74: extern void ecommunity_free (struct ecommunity **);
                     75: extern struct ecommunity *ecommunity_parse (u_int8_t *, u_short);
                     76: extern struct ecommunity *ecommunity_dup (struct ecommunity *);
                     77: extern struct ecommunity *ecommunity_merge (struct ecommunity *, struct ecommunity *);
1.1.1.2   misho      78: extern struct ecommunity *ecommunity_uniq_sort (struct ecommunity *);
1.1       misho      79: extern struct ecommunity *ecommunity_intern (struct ecommunity *);
                     80: extern int ecommunity_cmp (const void *, const void *);
                     81: extern void ecommunity_unintern (struct ecommunity **);
                     82: extern unsigned int ecommunity_hash_make (void *);
                     83: extern struct ecommunity *ecommunity_str2com (const char *, int, int);
                     84: extern char *ecommunity_ecom2str (struct ecommunity *, int);
                     85: extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *);
                     86: extern char *ecommunity_str (struct ecommunity *);
                     87: 
                     88: #endif /* _QUAGGA_BGP_ECOMMUNITY_H */