ethernetconstants.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 84 行

/*
 * $Id: EthernetConstants.java,v 1.1 2003/11/25 11:52:25 epr Exp $
 */
package org.jnode.net.ethernet;

/**
 * @author epr
 */
public interface EthernetConstants {

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

	public static final int ETH_ALEN	= 6;		/* Octets in one ethernet addr	 */
	public static final int ETH_HLEN	= 14;		/* Total octets in header.	 */
	public static final int ETH_ZLEN	= 60;		/* Min. octets in frame sans FCS */
	public static final int ETH_DATA_LEN	= 1500;		/* Max. octets in payload	 */
	public static final int ETH_FRAME_LEN	= 1514;		/* Max. octets in frame sans FCS */

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

	public static final int ETH_P_LOOP	= 0x0060;		/* Ethernet Loopback packet	*/
	public static final int ETH_P_PUP	= 0x0200;		/* Xerox PUP packet		*/
	public static final int ETH_P_PUPAT	= 0x0201;		/* Xerox PUP Addr Trans packet	*/
	public static final int ETH_P_IP	= 0x0800	;	/* Internet Protocol packet	*/
	public static final int ETH_P_X25	= 0x0805;		/* CCITT X.25			*/
	public static final int ETH_P_ARP	= 0x0806;		/* Address Resolution packet	*/
	public static final int	ETH_P_BPQ	= 0x08FF;		/* G8BPQ AX.25 Ethernet Packet	[ NOT AN OFFICIALLY REGISTERED ID ] */
	public static final int ETH_P_IEEEPUP	= 0x0a00;		/* Xerox IEEE802.3 PUP packet */
	public static final int ETH_P_IEEEPUPAT	= 0x0a01;		/* Xerox IEEE802.3 PUP Addr Trans packet */
	public static final int ETH_P_DEC       = 0x6000;          /* DEC Assigned proto           */
	public static final int ETH_P_DNA_DL    = 0x6001;          /* DEC DNA Dump/Load            */
	public static final int ETH_P_DNA_RC    = 0x6002;          /* DEC DNA Remote Console       */
	public static final int ETH_P_DNA_RT    = 0x6003;          /* DEC DNA Routing              */
	public static final int ETH_P_LAT       = 0x6004;          /* DEC LAT                      */
	public static final int ETH_P_DIAG      = 0x6005;          /* DEC Diagnostics              */
	public static final int ETH_P_CUST      = 0x6006;          /* DEC Customer use             */
	public static final int ETH_P_SCA       = 0x6007;          /* DEC Systems Comms Arch       */
	public static final int ETH_P_RARP      = 0x8035;		/* Reverse Addr Res packet	*/
	public static final int ETH_P_ATALK	= 0x809B;		/* Appletalk DDP		*/
	public static final int ETH_P_AARP	= 0x80F3;		/* Appletalk AARP		*/
	public static final int ETH_P_8021Q	= 0x8100;          /* 802.1Q VLAN Extended Header  */
	public static final int ETH_P_IPX	= 0x8137;		/* IPX over DIX			*/
	public static final int ETH_P_IPV6	= 0x86DD;		/* IPv6 over bluebook		*/
	public static final int ETH_P_PPP_DISC	= 0x8863;		/* PPPoE discovery messages     */
	public static final int ETH_P_PPP_SES	= 0x8864;		/* PPPoE session messages	*/
	public static final int ETH_P_ATMMPOA	= 0x884c;		/* MultiProtocol Over ATM	*/
	public static final int ETH_P_ATMFATE	= 0x8884;		/* Frame-based ATM Transport over Ethernet */

	/*
	 *	Non DIX types. Won't clash for 1500 types.
	 */
 
	public static final int ETH_P_802_3	= 0x0001;		/* Dummy type for 802.3 frames  */
	public static final int ETH_P_AX25	= 0x0002;		/* Dummy protocol id for AX.25  */
	public static final int ETH_P_ALL	= 0x0003;		/* Every packet (be careful!!!) */
	public static final int ETH_P_802_2	= 0x0004;		/* 802.2 frames 		*/
	public static final int ETH_P_SNAP	= 0x0005;		/* Internal only		*/
	public static final int ETH_P_DDCMP     = 0x0006;          /* DEC DDCMP: Internal only     */
	public static final int ETH_P_WAN_PPP   = 0x0007;          /* Dummy type for WAN PPP frames*/
	public static final int ETH_P_PPP_MP    = 0x0008;          /* Dummy type for PPP MP frames */
	public static final int ETH_P_LOCALTALK = 0x0009;		/* Localtalk pseudo type 	*/
	public static final int ETH_P_PPPTALK	= 0x0010;		/* Dummy type for Atalk over PPP*/
	public static final int ETH_P_TR_802_2	= 0x0011;		/* 802.2 frames 		*/
	public static final int ETH_P_MOBITEX	= 0x0015;		/* Mobitex ([e-mail])	*/
	public static final int ETH_P_CONTROL	= 0x0016;		/* Card specific control frames */
	public static final int ETH_P_IRDA	= 0x0017;		/* Linux-IrDA			*/
	public static final int ETH_P_ECONET	= 0x0018;		/* Acorn Econet			*/

	/*
	 * Ethernet frame layout
	 * <ul>
	 *   <li>byte[ETH_ALEN]: Destination address 
	 *   <li>byte[ETH_ALEN]: Source address
	 *   <li>short:          Protocol id
	 * </ul>
	 */

}