/*
   * 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_LINK_CTL	0x886c		/* HPNA, wlan link local tunnel */

  #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_8021AD	0x88A8          /* 802.1ad Service VLAN		*/

  #define ETH_P_802_EX1	0x88B5		/* 802.1 Local Experimental 1.  */

  #define ETH_P_TIPC	0x88CA		/* TIPC 			*/

  #define ETH_P_8021AH	0x88E7          /* 802.1ah Backbone Service Tag */

  #define ETH_P_1588	0x88F7		/* IEEE 1588 Timesync */

  #define ETH_P_FCOE	0x8906		/* Fibre Channel over Ethernet  */

  #define ETH_P_TDLS	0x890D          /* TDLS */

  #define ETH_P_FIP	0x8914		/* FCoE Initialization Protocol */

  #define ETH_P_QINQ1	0x9100		/* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */
  #define ETH_P_QINQ2	0x9200		/* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */
  #define ETH_P_QINQ3	0x9300		/* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */

  #define ETH_P_EDSA	0xDADA		/* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */

  #define ETH_P_AF_IUCV   0xFBFB		/* IBM af_iucv [ 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		*/

  #define ETH_P_CAIF	0x00F7		/* ST-Ericsson CAIF protocol	*/

  
  /*
   *	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));

  
  #ifdef __KERNEL__
  #include <linux/skbuff.h>
  
  static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
  {

  	return (struct ethhdr *)skb_mac_header(skb);

  }

  int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);

  int mac_pton(const char *s, u8 *mac);

  extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);

  #endif

  
  #endif	/* _LINUX_IF_ETHER_H */