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/* 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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
#define ECOMMUNITY_ENCODE_EVPN 0x06
/* Low-order octet of the Extended Communities type field. */
#define ECOMMUNITY_ROUTE_TARGET 0x02
#define ECOMMUNITY_SITE_ORIGIN 0x03
#define ECOMMUNITY_EVPN_SUBTYPE_MACMOBILITY 0x00
#define ECOMMUNITY_EVPN_SUBTYPE_ESI_LABEL 0x01
#define ECOMMUNITY_EVPN_SUBTYPE_ES_IMPORT_RT 0x02
#define ECOMMUNITY_EVPN_SUBTYPE_ROUTERMAC 0x03
#define ECOMMUNITY_EVPN_SUBTYPE_DEF_GW 0x0d
/* 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, int);
extern int ecommunity_match (const struct ecommunity *, const struct ecommunity *);
extern char *ecommunity_str (struct ecommunity *);
extern struct ecommunity_val *ecommunity_lookup (const struct ecommunity *, uint8_t, uint8_t );
extern int ecommunity_add_val (struct ecommunity *ecom, struct ecommunity_val *eval);
/* for vpn */
extern struct ecommunity *ecommunity_new (void);
extern int ecommunity_add_val (struct ecommunity *, struct ecommunity_val *);
extern int ecommunity_strip (struct ecommunity *ecom, uint8_t type, uint8_t subtype);
extern struct ecommunity *ecommunity_new (void);
#endif /* _QUAGGA_BGP_ECOMMUNITY_H */
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