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RIOT/sys/include/net/ethernet/hdr.h
2021-08-13 19:50:38 +02:00

57 lines
1.3 KiB
C

/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* 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.
*/
/**
* @defgroup net_ethernet_hdr Ethernet header
* @ingroup net_ethernet
* @brief Ethernet header
* @{
*
* @file
* @brief Ethernet header definitions
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef NET_ETHERNET_HDR_H
#define NET_ETHERNET_HDR_H
#include <inttypes.h>
#include "byteorder.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ETHERNET_ADDR_LEN (6) /**< Length of an Ethernet address */
#ifndef ETH_ALEN
#define ETH_ALEN ETHERNET_ADDR_LEN /**< convenient alias for @ref
ETHERNET_ADDR_LEN to comply with
*NIX code */
#endif
/**
* @brief Ethernet header
*/
typedef struct __attribute__((packed)) {
uint8_t dst[ETHERNET_ADDR_LEN]; /**< destination address */
uint8_t src[ETHERNET_ADDR_LEN]; /**< source address */
network_uint16_t type; /**< ether type (see @ref net_ethertype) */
} ethernet_hdr_t;
#ifdef __cplusplus
}
#endif
#endif /* NET_ETHERNET_HDR_H */
/**
* @}
*/