abr.h

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/*
 * SPDX-FileCopyrightText: 2017 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "modules.h"
 
/* prevent cascading include error to xtimer if it is not compiled in or not
 * supported by board */
#if IS_USED(MODULE_EVTIMER)
#include "timex.h"
#include "evtimer.h"
#endif
#include "net/ipv6/addr.h"
#include "net/gnrc/ipv6/nib/conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    ipv6_addr_t addr;       
    uint32_t version;       
    uint32_t valid_until_ms;   
} gnrc_ipv6_nib_abr_t;
 
#if IS_ACTIVE(CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C) || defined(DOXYGEN)
#if IS_ACTIVE(CONFIG_GNRC_IPV6_NIB_6LBR) || defined(DOXYGEN)
int gnrc_ipv6_nib_abr_add(const ipv6_addr_t *addr);

void gnrc_ipv6_nib_abr_del(const ipv6_addr_t *addr);
#else   /* CONFIG_GNRC_IPV6_NIB_6LBR || defined(DOXYGEN) */
#define gnrc_ipv6_nib_abr_add(addr)     (-ENOTSUP)
#define gnrc_ipv6_nib_abr_del(addr)     (void)(addr)
#endif  /* CONFIG_GNRC_IPV6_NIB_6LBR || defined(DOXYGEN) */

bool gnrc_ipv6_nib_abr_iter(void **state, gnrc_ipv6_nib_abr_t *abr);
 
#if IS_USED(MODULE_EVTIMER) || defined(DOXYGEN)
static inline uint32_t gnrc_ipv6_nib_abr_valid_offset(const gnrc_ipv6_nib_abr_t *abr)
{
    return (abr->valid_until_ms - evtimer_now_msec()) / ( MS_PER_SEC * SEC_PER_MIN);
}
#endif

void gnrc_ipv6_nib_abr_print(gnrc_ipv6_nib_abr_t *abr);
#else   /* CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C || defined(DOXYGEN) */
#define gnrc_ipv6_nib_abr_add(addr)         (-ENOTSUP)
#define gnrc_ipv6_nib_abr_del(addr)         (void)(addr)
#define gnrc_ipv6_nib_abr_iter(state, abr)  (false)
#define gnrc_ipv6_nib_abr_print(abr)        (void)(abr)
#endif  /* CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C || defined(DOXYGEN) */
 
#ifdef __cplusplus
}
#endif