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eui64.h
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1/*
2 * Copyright (C) 2015 Freie Universität Berlin
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser
5 * General Public License v2.1. See the file LICENSE in the top level
6 * directory for more details.
7 */
8
24#ifndef NET_EUI64_H
25#define NET_EUI64_H
26
27#include <stdint.h>
28#include "byteorder.h"
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
44#define EUI64_LOCAL_FLAG 0x02
45
49#define EUI64_GROUP_FLAG 0x01
55typedef union {
56 network_uint64_t uint64;
57 uint8_t uint8[8];
58 network_uint16_t uint16[4];
59 network_uint32_t uint32[2];
60} eui64_t;
61
69static inline void eui64_set_local(eui64_t *addr)
70{
71 addr->uint8[0] |= EUI64_LOCAL_FLAG;
72}
73
82static inline void eui64_clear_group(eui64_t *addr)
83{
84 addr->uint8[0] &= ~EUI64_GROUP_FLAG;
85}
86
87#ifdef __cplusplus
88}
89#endif
90
91#endif /* NET_EUI64_H */
byteorder.h
Functions to work with different byte orders.
eui64_set_local
static void eui64_set_local(eui64_t *addr)
Set the locally administrated bit in the EUI-64 address.
Definition eui64.h:69
EUI64_LOCAL_FLAG
#define EUI64_LOCAL_FLAG
Locally administered address.
Definition eui64.h:44
eui64_clear_group
static void eui64_clear_group(eui64_t *addr)
Clear the group address bit to signal the address as individual address.
Definition eui64.h:82
be_uint16_t
A 16 bit integer in big endian aka network byte order.
Definition byteorder.h:74
be_uint32_t
A 32 bit integer in big endian aka network byte order.
Definition byteorder.h:84
be_uint64_t
A 64 bit integer in big endian aka network byte order.
Definition byteorder.h:96
eui64_t
Data type to represent an EUI-64.
Definition eui64.h:55
eui64_t::uint8
uint8_t uint8[8]
split into 8 8-bit words.
Definition eui64.h:57
eui64_t::uint64
network_uint64_t uint64
represented as 64 bit value
Definition eui64.h:56