12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788 |
- /* BGP Extended Communities Attribute.
- Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
- This file is part of GNU Zebra.
- GNU Zebra is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
- GNU Zebra is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNU Zebra; see the file COPYING. If not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
- #ifndef _QUAGGA_BGP_ECOMMUNITY_H
- #define _QUAGGA_BGP_ECOMMUNITY_H
- /* High-order octet of the Extended Communities type field. */
- #define ECOMMUNITY_ENCODE_AS 0x00
- #define ECOMMUNITY_ENCODE_IP 0x01
- #define ECOMMUNITY_ENCODE_AS4 0x02
- #define ECOMMUNITY_ENCODE_OPAQUE 0x03
- /* Low-order octet of the Extended Communities type field. */
- #define ECOMMUNITY_ROUTE_TARGET 0x02
- #define ECOMMUNITY_SITE_ORIGIN 0x03
- /* Low-order octet of the Extended Communities type field for OPAQUE types */
- #define ECOMMUNITY_OPAQUE_SUBTYPE_ENCAP 0x0c
- /* Extended communities attribute string format. */
- #define ECOMMUNITY_FORMAT_ROUTE_MAP 0
- #define ECOMMUNITY_FORMAT_COMMUNITY_LIST 1
- #define ECOMMUNITY_FORMAT_DISPLAY 2
- /* Extended Communities value is eight octet long. */
- #define ECOMMUNITY_SIZE 8
- /* Extended Communities type flag. */
- #define ECOMMUNITY_FLAG_NON_TRANSITIVE 0x40
- /* Extended Communities attribute. */
- struct ecommunity
- {
- /* Reference counter. */
- unsigned long refcnt;
- /* Size of Extended Communities attribute. */
- int size;
- /* Extended Communities value. */
- u_int8_t *val;
- /* Human readable format string. */
- char *str;
- };
- /* Extended community value is eight octet. */
- struct ecommunity_val
- {
- char val[ECOMMUNITY_SIZE];
- };
- #define ecom_length(X) ((X)->size * ECOMMUNITY_SIZE)
- extern void ecommunity_init (void);
- extern void ecommunity_finish (void);
- extern void ecommunity_free (struct ecommunity **);
- extern struct ecommunity *ecommunity_parse (u_int8_t *, u_short);
- extern struct ecommunity *ecommunity_dup (struct ecommunity *);
- extern struct ecommunity *ecommunity_merge (struct ecommunity *, struct ecommunity *);
- extern struct ecommunity *ecommunity_uniq_sort (struct ecommunity *);
- extern struct ecommunity *ecommunity_intern (struct ecommunity *);
- extern int ecommunity_cmp (const void *, const void *);
- extern void ecommunity_unintern (struct ecommunity **);
- extern unsigned int ecommunity_hash_make (void *);
- extern struct ecommunity *ecommunity_str2com (const char *, int, int);
- extern char *ecommunity_ecom2str (struct ecommunity *, int);
- extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *);
- extern char *ecommunity_str (struct ecommunity *);
- #endif /* _QUAGGA_BGP_ECOMMUNITY_H */
|