/*
 * INET                An implementation of the TCP/IP protocol suite for the LINUX
 *                operating system.  INET is implemented using the  BSD Socket
 *                interface as the means of communication with the user level.
 *
 *                Global definitions for the Ethernet IEEE 802.3 interface.
 *
 * Version:        @(#)if_ether.h        1.0.1a        02/08/94
 *
 * Author:        Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *                Donald Becker, <becker@super.org>
 *                Alan Cox, <alan@lxorguk.ukuu.org.uk>
 *                Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
 *
 *                This program is free software; you can redistribute it and/or
 *                modify it under the terms of the GNU General Public License
 *                as published by the Free Software Foundation; either version
 *                2 of the License, or (at your option) any later version.
 */

#ifndef _LINUX_IF_ETHER_H
#define _LINUX_IF_ETHER_H

#include <linux/types.h>

/*
 *        IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
 *        and FCS/CRC (frame check sequence).
 */

#define ETH_ALEN        6                /* Octets in one ethernet addr         */
#define ETH_HLEN        14                /* Total octets in header.         */
#define ETH_ZLEN        60                /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN        1500                /* Max. octets in payload         */
#define ETH_FRAME_LEN        1514                /* Max. octets in frame sans FCS */
#define ETH_FCS_LEN        4                /* Octets in the FCS                 */

/*
 *        These are the defined Ethernet Protocol ID's.
 */

#define ETH_P_LOOP        0x0060                /* Ethernet Loopback packet        */
#define ETH_P_PUP        0x0200                /* Xerox PUP packet                */
#define ETH_P_PUPAT        0x0201                /* Xerox PUP Addr Trans packet        */
#define ETH_P_IP        0x0800                /* Internet Protocol packet        */
#define ETH_P_X25        0x0805                /* CCITT X.25                        */
#define ETH_P_ARP        0x0806                /* Address Resolution packet        */
#define        ETH_P_BPQ        0x08FF                /* G8BPQ AX.25 Ethernet Packet        [ NOT AN OFFICIALLY REGISTERED ID ] */
#define ETH_P_IEEEPUP        0x0a00                /* Xerox IEEE802.3 PUP packet */
#define ETH_P_IEEEPUPAT        0x0a01                /* Xerox IEEE802.3 PUP Addr Trans packet */
#define ETH_P_DEC       0x6000          /* DEC Assigned proto           */
#define ETH_P_DNA_DL    0x6001          /* DEC DNA Dump/Load            */
#define ETH_P_DNA_RC    0x6002          /* DEC DNA Remote Console       */
#define ETH_P_DNA_RT    0x6003          /* DEC DNA Routing              */
#define ETH_P_LAT       0x6004          /* DEC LAT                      */
#define ETH_P_DIAG      0x6005          /* DEC Diagnostics              */
#define ETH_P_CUST      0x6006          /* DEC Customer use             */
#define ETH_P_SCA       0x6007          /* DEC Systems Comms Arch       */
#define ETH_P_TEB        0x6558                /* Trans Ether Bridging                */
#define ETH_P_RARP      0x8035                /* Reverse Addr Res packet        */
#define ETH_P_ATALK        0x809B                /* Appletalk DDP                */
#define ETH_P_AARP        0x80F3                /* Appletalk AARP                */
#define ETH_P_8021Q        0x8100          /* 802.1Q VLAN Extended Header  */
#define ETH_P_IPX        0x8137                /* IPX over DIX                        */
#define ETH_P_IPV6        0x86DD                /* IPv6 over bluebook                */
#define ETH_P_PAUSE        0x8808                /* IEEE Pause frames. See 802.3 31B */
#define ETH_P_SLOW        0x8809                /* Slow Protocol. See 802.3ad 43B */
#define ETH_P_WCCP        0x883E                /* Web-cache coordination protocol
                                         * defined in draft-wilson-wrec-wccp-v2-00.txt */
#define ETH_P_PPP_DISC        0x8863                /* PPPoE discovery messages     */
#define ETH_P_PPP_SES        0x8864                /* PPPoE session messages        */
#define ETH_P_MPLS_UC        0x8847                /* MPLS Unicast traffic                */
#define ETH_P_MPLS_MC        0x8848                /* MPLS Multicast traffic        */
#define ETH_P_ATMMPOA        0x884c                /* MultiProtocol Over ATM        */
#define ETH_P_ATMFATE        0x8884                /* Frame-based ATM Transport
                                         * over Ethernet
                                         */
#define ETH_P_PAE        0x888E                /* Port Access Entity (IEEE 802.1X) */
#define ETH_P_AOE        0x88A2                /* ATA over Ethernet                */
#define ETH_P_TIPC        0x88CA                /* TIPC                         */
#define ETH_P_1588        0x88F7                /* IEEE 1588 Timesync */
#define ETH_P_FCOE        0x8906                /* Fibre Channel over Ethernet  */
#define ETH_P_FIP        0x8914                /* FCoE Initialization Protocol */
#define ETH_P_EDSA        0xDADA                /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */

/*
 *        Non DIX types. Won't clash for 1500 types.
 */

#define ETH_P_802_3        0x0001                /* Dummy type for 802.3 frames  */
#define ETH_P_AX25        0x0002                /* Dummy protocol id for AX.25  */
#define ETH_P_ALL        0x0003                /* Every packet (be careful!!!) */
#define ETH_P_802_2        0x0004                /* 802.2 frames                 */
#define ETH_P_SNAP        0x0005                /* Internal only                */
#define ETH_P_DDCMP     0x0006          /* DEC DDCMP: Internal only     */
#define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
#define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
#define ETH_P_LOCALTALK 0x0009                /* Localtalk pseudo type         */
#define ETH_P_CAN        0x000C                /* Controller Area Network      */
#define ETH_P_PPPTALK        0x0010                /* Dummy type for Atalk over PPP*/
#define ETH_P_TR_802_2        0x0011                /* 802.2 frames                 */
#define ETH_P_MOBITEX        0x0015                /* Mobitex (kaz@cafe.net)        */
#define ETH_P_CONTROL        0x0016                /* Card specific control frames */
#define ETH_P_IRDA        0x0017                /* Linux-IrDA                        */
#define ETH_P_ECONET        0x0018                /* Acorn Econet                        */
#define ETH_P_HDLC        0x0019                /* HDLC frames                        */
#define ETH_P_ARCNET        0x001A                /* 1A for ArcNet :-)            */
#define ETH_P_DSA        0x001B                /* Distributed Switch Arch.        */
#define ETH_P_TRAILER        0x001C                /* Trailer switch tagging        */
#define ETH_P_PHONET        0x00F5                /* Nokia Phonet frames          */
#define ETH_P_IEEE802154 0x00F6                /* IEEE802.15.4 frame                */

/*
 *        This is an Ethernet frame header.
 */

struct ethhdr {
        unsigned char        h_dest[ETH_ALEN];        /* destination eth addr        */
        unsigned char        h_source[ETH_ALEN];        /* source ether addr        */
        __be16                h_proto;                /* packet type ID field        */
} __attribute__((packed));


#endif        /* _LINUX_IF_ETHER_H */