haiku/headers/private/net/ethernet.h

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/*
* Copyright 2006-2010, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef ETHERNET_H
#define ETHERNET_H
#include <SupportDefs.h>
#define ETHER_ADDRESS_LENGTH 6
#define ETHER_CRC_LENGTH 4
#define ETHER_HEADER_LENGTH 14
#define ETHER_MIN_FRAME_SIZE 64
#define ETHER_MAX_FRAME_SIZE 1514
struct ether_header {
uint8 destination[ETHER_ADDRESS_LENGTH];
uint8 source[ETHER_ADDRESS_LENGTH];
uint16 type;
} _PACKED;
// ethernet types
#define ETHER_TYPE_IP 0x0800
#define ETHER_TYPE_ARP 0x0806
#define ETHER_TYPE_IPX 0x8137
#define ETHER_TYPE_IPV6 0x86dd
#define ETHER_TYPE_PPPOE_DISCOVERY 0x8863 // PPPoE discovery stage
#define ETHER_TYPE_PPPOE 0x8864 // PPPoE session stage
#endif // ETHERNET_H