144d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 244d362409d5469aed47d19e7908d19bd194493aThomas Graf * INET An implementation of the TCP/IP protocol suite for the LINUX 344d362409d5469aed47d19e7908d19bd194493aThomas Graf * operating system. INET is implemented using the BSD Socket 444d362409d5469aed47d19e7908d19bd194493aThomas Graf * interface as the means of communication with the user level. 544d362409d5469aed47d19e7908d19bd194493aThomas Graf * 644d362409d5469aed47d19e7908d19bd194493aThomas Graf * Global definitions for the Ethernet IEEE 802.3 interface. 744d362409d5469aed47d19e7908d19bd194493aThomas Graf * 844d362409d5469aed47d19e7908d19bd194493aThomas Graf * Version: @(#)if_ether.h 1.0.1a 02/08/94 944d362409d5469aed47d19e7908d19bd194493aThomas Graf * 1044d362409d5469aed47d19e7908d19bd194493aThomas Graf * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 1144d362409d5469aed47d19e7908d19bd194493aThomas Graf * Donald Becker, <becker@super.org> 1244d362409d5469aed47d19e7908d19bd194493aThomas Graf * Alan Cox, <alan@redhat.com> 1344d362409d5469aed47d19e7908d19bd194493aThomas Graf * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> 1444d362409d5469aed47d19e7908d19bd194493aThomas Graf * 1544d362409d5469aed47d19e7908d19bd194493aThomas Graf * This program is free software; you can redistribute it and/or 1644d362409d5469aed47d19e7908d19bd194493aThomas Graf * modify it under the terms of the GNU General Public License 1744d362409d5469aed47d19e7908d19bd194493aThomas Graf * as published by the Free Software Foundation; either version 1844d362409d5469aed47d19e7908d19bd194493aThomas Graf * 2 of the License, or (at your option) any later version. 1944d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 2044d362409d5469aed47d19e7908d19bd194493aThomas Graf 2144d362409d5469aed47d19e7908d19bd194493aThomas Graf#ifndef _LINUX_IF_ETHER_H 2244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define _LINUX_IF_ETHER_H 2344d362409d5469aed47d19e7908d19bd194493aThomas Graf 2444d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 2544d362409d5469aed47d19e7908d19bd194493aThomas Graf * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 2644d362409d5469aed47d19e7908d19bd194493aThomas Graf * and FCS/CRC (frame check sequence). 2744d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 2844d362409d5469aed47d19e7908d19bd194493aThomas Graf 2944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_ALEN 6 /* Octets in one ethernet addr */ 3044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_HLEN 14 /* Total octets in header. */ 3144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 3244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_DATA_LEN 1500 /* Max. octets in payload */ 3344d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 3444d362409d5469aed47d19e7908d19bd194493aThomas Graf 3544d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 3644d362409d5469aed47d19e7908d19bd194493aThomas Graf * These are the defined Ethernet Protocol ID's. 3744d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 3844d362409d5469aed47d19e7908d19bd194493aThomas Graf 3944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ 4044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PUP 0x0200 /* Xerox PUP packet */ 4144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ 4244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IP 0x0800 /* Internet Protocol packet */ 4344d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_X25 0x0805 /* CCITT X.25 */ 4444d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ARP 0x0806 /* Address Resolution packet */ 4544d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ 4644d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ 4744d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ 4844d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DEC 0x6000 /* DEC Assigned proto */ 4944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ 5044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ 5144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ 5244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_LAT 0x6004 /* DEC LAT */ 5344d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ 5444d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_CUST 0x6006 /* DEC Customer use */ 5544d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ 5644d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ 5744d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ATALK 0x809B /* Appletalk DDP */ 5844d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_AARP 0x80F3 /* Appletalk AARP */ 5944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ 6044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IPX 0x8137 /* IPX over DIX */ 6144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ 6244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_WCCP 0x883E /* Web-cache coordination protocol 6344d362409d5469aed47d19e7908d19bd194493aThomas Graf * defined in draft-wilson-wrec-wccp-v2-00.txt */ 6444d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ 6544d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ 6644d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ 6744d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ 6844d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ 6944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport 7044d362409d5469aed47d19e7908d19bd194493aThomas Graf * over Ethernet 7144d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 7244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ 7344d362409d5469aed47d19e7908d19bd194493aThomas Graf 7444d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 7544d362409d5469aed47d19e7908d19bd194493aThomas Graf * Non DIX types. Won't clash for 1500 types. 7644d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 7744d362409d5469aed47d19e7908d19bd194493aThomas Graf 7844d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ 7944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ 8044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ 8144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_802_2 0x0004 /* 802.2 frames */ 8244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_SNAP 0x0005 /* Internal only */ 8344d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ 8444d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ 8544d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ 8644d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ 8744d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ 8844d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ 8944d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ 9044d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_CONTROL 0x0016 /* Card specific control frames */ 9144d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_IRDA 0x0017 /* Linux-IrDA */ 9244d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ECONET 0x0018 /* Acorn Econet */ 9344d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_HDLC 0x0019 /* HDLC frames */ 9444d362409d5469aed47d19e7908d19bd194493aThomas Graf#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ 9544d362409d5469aed47d19e7908d19bd194493aThomas Graf 9644d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 9744d362409d5469aed47d19e7908d19bd194493aThomas Graf * This is an Ethernet frame header. 9844d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 9944d362409d5469aed47d19e7908d19bd194493aThomas Graf 10044d362409d5469aed47d19e7908d19bd194493aThomas Grafstruct ethhdr { 10144d362409d5469aed47d19e7908d19bd194493aThomas Graf unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ 10244d362409d5469aed47d19e7908d19bd194493aThomas Graf unsigned char h_source[ETH_ALEN]; /* source ether addr */ 10344d362409d5469aed47d19e7908d19bd194493aThomas Graf unsigned short h_proto; /* packet type ID field */ 10444d362409d5469aed47d19e7908d19bd194493aThomas Graf} __attribute__((packed)); 10544d362409d5469aed47d19e7908d19bd194493aThomas Graf 10644d362409d5469aed47d19e7908d19bd194493aThomas Graf#endif /* _LINUX_IF_ETHER_H */ 107