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/* BGP Large Communities Attribute.
*
* Copyright (C) 2016 Keyur Patel <keyur@arrcus.com>
*
* This file is part of FreeRangeRouting (FRR).
*
* FRR 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.
*
* FRR 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 FRR; 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_LCOMMUNITY_H
#define _QUAGGA_BGP_LCOMMUNITY_H
/* Extended communities attribute string format. */
#define LCOMMUNITY_FORMAT_ROUTE_MAP 0
#define LCOMMUNITY_FORMAT_COMMUNITY_LIST 1
#define LCOMMUNITY_FORMAT_DISPLAY 2
/* Large Communities value is twelve octets long. */
#define LCOMMUNITY_SIZE 12
/* Large Communities attribute. */
struct lcommunity
{
/* 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 lcommunity_val
{
char val[LCOMMUNITY_SIZE];
};
#define lcom_length(X) ((X)->size * LCOMMUNITY_SIZE)
extern void lcommunity_init (void);
extern void lcommunity_finish (void);
extern void lcommunity_free (struct lcommunity **);
extern struct lcommunity *lcommunity_parse (u_int8_t *, u_short);
extern struct lcommunity *lcommunity_dup (struct lcommunity *);
extern struct lcommunity *lcommunity_merge (struct lcommunity *, struct lcommunity *);
extern struct lcommunity *lcommunity_uniq_sort (struct lcommunity *);
extern struct lcommunity *lcommunity_intern (struct lcommunity *);
extern int lcommunity_cmp (const void *, const void *);
extern void lcommunity_unintern (struct lcommunity **);
extern unsigned int lcommunity_hash_make (void *);
extern struct hash *lcommunity_hash (void);
extern struct lcommunity *lcommunity_str2com (const char *);
extern char *lcommunity_lcom2str (struct lcommunity *, int);
extern int lcommunity_match (const struct lcommunity *, const struct lcommunity *);
extern char *lcommunity_str (struct lcommunity *);
extern int lcommunity_include (struct lcommunity *lcom, u_char *ptr);
extern void lcommunity_del_val (struct lcommunity *lcom, u_char *ptr);
#endif /* _QUAGGA_BGP_LCOMMUNITY_H */
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