eui_provider.h

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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.
 */
 
#ifndef NET_EUI_PROVIDER_H
#define NET_EUI_PROVIDER_H
 
#include "net/eui48.h"
#include "net/eui64.h"
#include "net/netdev.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define NETDEV_INDEX_ANY    (0xFF)
 
typedef int (*netdev_get_eui48_cb_t)(const void *arg, eui48_t *addr);
 
typedef int (*netdev_get_eui64_cb_t)(const void *arg, eui64_t *addr);
 
typedef struct {
    netdev_get_eui48_cb_t provider; 
    const void *arg;                
    netdev_type_t type;             
    uint8_t index;                  
} eui48_conf_t;
 
typedef struct {
    netdev_get_eui64_cb_t provider; 
    const void *arg;                
    netdev_type_t type;             
    uint8_t index;                  
} eui64_conf_t;
 
void netdev_eui48_get(netdev_t *netdev, eui48_t *addr);
 
void netdev_eui64_get(netdev_t *netdev, eui64_t *addr);
 
static inline void eui_short_from_eui64(eui64_t *addr_long,
                                        network_uint16_t *addr_short)
{
    /* https://tools.ietf.org/html/rfc4944#section-12 requires the first bit to
     * 0 for unicast addresses */
    addr_short->u8[0] = addr_long->uint8[6] & 0x7F;
    addr_short->u8[1] = addr_long->uint8[7];
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* NET_EUI_PROVIDER_H */