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RIOT/sys/net/link_layer/eui_provider/eui_provider.c

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/*
* Copyright (C) 2020 ML!PA Consulting GmbH
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
*/
#include "assert.h"
#include "eui48_provider_params.h"
#include "eui64_provider_params.h"
#include "luid.h"
#include "net/eui_provider.h"
static inline unsigned _get_idx(netdev_t *netdev)
{
#ifdef MODULE_NETDEV_REGISTER
return netdev->index;
#else
(void)netdev;
return 0;
#endif
}
void netdev_eui48_get(netdev_t *netdev, eui48_t *addr)
{
unsigned i = EUI48_PROVIDER_NUMOF;
while (i--) {
#ifdef MODULE_NETDEV_REGISTER
/* using NETDEV_ANY causes conflicts if there is another interface
* of a different type. Require EUI providers to be locked to an
* interface type for uniqueness.
*/
assert(eui48_conf[i].type != NETDEV_ANY);
if (eui48_conf[i].type != netdev->type) {
continue;
}
if (eui48_conf[i].index != netdev->index &&
eui48_conf[i].index != NETDEV_INDEX_ANY) {
continue;
}
#endif
if (eui48_conf[i].provider(_get_idx(netdev), addr) == 0) {
return;
}
}
luid_netdev_get_eui48(netdev, addr);
}
void netdev_eui64_get(netdev_t *netdev, eui64_t *addr)
{
unsigned i = EUI64_PROVIDER_NUMOF;
while (i--) {
#ifdef MODULE_NETDEV_REGISTER
/* using NETDEV_ANY causes conflicts if there is another interface
* of a different type. Require EUI providers to be locked to an
* interface type for uniqueness.
*/
assert(eui64_conf[i].type != NETDEV_ANY);
if (eui64_conf[i].type != netdev->type) {
continue;
}
if (eui64_conf[i].index != netdev->index &&
eui64_conf[i].index != NETDEV_INDEX_ANY) {
continue;
}
#endif
if (eui64_conf[i].provider(_get_idx(netdev), addr) == 0) {
return;
}
}
luid_netdev_get_eui64(netdev, addr);
}
/** @} */