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// SPDX-License-Identifier: GPL-2.0-or-later
/* BGP Large Communities Attribute.
*
* Copyright (C) 2016 Keyur Patel <keyur@arrcus.com>
*/
#ifndef _QUAGGA_BGP_LCOMMUNITY_H
#define _QUAGGA_BGP_LCOMMUNITY_H
#include "lib/json.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_clist.h"
/* 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;
/* Large Communities value. */
uint8_t *val;
/* Large Communities as a json object */
json_object *json;
/* Human readable format string. */
char *str;
};
/* Large community value is 12 octets. */
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(uint8_t *, unsigned 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 bool lcommunity_cmp(const void *arg1, const void *arg2);
extern void lcommunity_unintern(struct lcommunity **);
extern unsigned int lcommunity_hash_make(const void *);
extern struct hash *lcommunity_hash(void);
extern struct lcommunity *lcommunity_str2com(const char *);
extern bool lcommunity_match(const struct lcommunity *,
const struct lcommunity *);
extern char *lcommunity_str(struct lcommunity *, bool make_json,
bool translate_alias);
extern bool lcommunity_include(struct lcommunity *lcom, uint8_t *ptr);
extern void lcommunity_del_val(struct lcommunity *lcom, uint8_t *ptr);
extern void bgp_compute_aggregate_lcommunity(
struct bgp_aggregate *aggregate,
struct lcommunity *lcommunity);
extern void bgp_compute_aggregate_lcommunity_hash(
struct bgp_aggregate *aggregate,
struct lcommunity *lcommunity);
extern void bgp_compute_aggregate_lcommunity_val(
struct bgp_aggregate *aggregate);
extern void bgp_remove_lcommunity_from_aggregate(
struct bgp_aggregate *aggregate,
struct lcommunity *lcommunity);
extern void bgp_remove_lcomm_from_aggregate_hash(
struct bgp_aggregate *aggregate,
struct lcommunity *lcommunity);
extern void bgp_aggr_lcommunity_remove(void *arg);
#endif /* _QUAGGA_BGP_LCOMMUNITY_H */
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