include/linux/if_ether.h

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 1 /*
 2  * INET An implementation of the TCP/IP protocol suite for the LINUX
 3  * operating system. INET is implemented using the BSD Socket
 4  * interface as the means of communication with the user level.
 5  *
 6  * Global definitions for the Ethernet IEEE 802.3 interface.
 7  *
 8  * Version: @(#)if_ether.h 1.0.1a 02/08/94
 9  *
 10  * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 11  * Donald Becker, <becker@super.org>
 12  * Alan Cox, <alan@cymru.net>
 13  * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
 14  *
 15  * This program is free software; you can redistribute it and/or
 16  * modify it under the terms of the GNU General Public License
 17  * as published by the Free Software Foundation; either version
 18  * 2 of the License, or (at your option) any later version.
 19  */
 20
 21 #ifndef _LINUX_IF_ETHER_H
 22 #define _LINUX_IF_ETHER_H
 23
 24 /*
 25  * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
 26  * and FCS/CRC (frame check sequence).
 27  */
 28
 29 #define ETH_ALEN 6/* Octets in one ethernet addr */
 30 #define ETH_HLEN 14/* Total octets in header. */
 31 #define ETH_ZLEN 60/* Min. octets in frame sans FCS */
 32 #define ETH_DATA_LEN 1500/* Max. octets in payload */
 33 #define ETH_FRAME_LEN 1514/* Max. octets in frame sans FCS */
 34
 35 /*
 36  * These are the defined Ethernet Protocol ID's.
 37  */
 38
 39 #define ETH_P_LOOP 0x0060/* Ethernet Loopback packet */
 40 #define ETH_P_ECHO 0x0200/* Ethernet Echo packet */
 41 #define ETH_P_PUP 0x0400/* Xerox PUP packet */
 42 #define ETH_P_IP 0x0800/* Internet Protocol packet */
 43 #define ETH_P_X25 0x0805/* CCITT X.25 */
 44 #define ETH_P_ARP 0x0806/* Address Resolution packet */
 45 #define ETH_P_BPQ 0x08FF/* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */
 46 #define ETH_P_DEC 0x6000/* DEC Assigned proto */
 47 #define ETH_P_DNA_DL 0x6001/* DEC DNA Dump/Load */
 48 #define ETH_P_DNA_RC 0x6002/* DEC DNA Remote Console */
 49 #define ETH_P_DNA_RT 0x6003/* DEC DNA Routing */
 50 #define ETH_P_LAT 0x6004/* DEC LAT */
 51 #define ETH_P_DIAG 0x6005/* DEC Diagnostics */
 52 #define ETH_P_CUST 0x6006/* DEC Customer use */
 53 #define ETH_P_SCA 0x6007/* DEC Systems Comms Arch */
 54 #define ETH_P_RARP 0x8035/* Reverse Addr Res packet */
 55 #define ETH_P_ATALK 0x809B/* Appletalk DDP */
 56 #define ETH_P_AARP 0x80F3/* Appletalk AARP */
 57 #define ETH_P_IPX 0x8137/* IPX over DIX */
 58 #define ETH_P_IPV6 0x86DD/* IPv6 over bluebook */
 59
 60 /*
 61  * Non DIX types. Won't clash for 1500 types.
 62  */
 63
 64 #define ETH_P_802_3 0x0001/* Dummy type for 802.3 frames */
 65 #define ETH_P_AX25 0x0002/* Dummy protocol id for AX.25 */
 66 #define ETH_P_ALL 0x0003/* Every packet (be careful!!!) */
 67 #define ETH_P_802_2 0x0004/* 802.2 frames */
 68 #define ETH_P_SNAP 0x0005/* Internal only */
 69 #define ETH_P_DDCMP 0x0006/* DEC DDCMP: Internal only */
 70 #define ETH_P_WAN_PPP 0x0007/* Dummy type for WAN PPP frames*/
 71 #define ETH_P_PPP_MP 0x0008/* Dummy type for PPP MP frames */
 72 #define ETH_P_LOCALTALK 0x0009/* Localtalk pseudo type */
 73 #define ETH_P_PPPTALK 0x0010/* Dummy type for Atalk over PPP*/
 74 #define ETH_P_TR_802_2 0x0011/* 802.2 frames */
 75
 76 /*
 77  * This is an Ethernet frame header.
 78  */
 79
 80 struct ethhdr
 81 {
 82 unsigned char h_dest[ETH_ALEN];/* destination eth addr */
 83 unsigned char h_source[ETH_ALEN];/* source ether addr */
 84 unsigned short h_proto;/* packet type ID field */
 85 };
 86
 87 /*
 88  * Ethernet statistics collection data.
 89  */
 90
 91 struct enet_statistics
 92 {
 93 int rx_packets;/* total packets received */
 94 int tx_packets;/* total packets transmitted */
 95 int rx_errors;/* bad packets received */
 96 int tx_errors;/* packet transmit problems */
 97 int rx_dropped;/* no space in linux buffers */
 98 int tx_dropped;/* no space available in linux */
 99 int multicast;/* multicast packets received */
 100 int collisions;
 101
 102 /* detailed rx_errors: */
 103 int rx_length_errors;
 104 int rx_over_errors;/* receiver ring buff overflow */
 105 int rx_crc_errors;/* recved pkt with crc error */
 106 int rx_frame_errors;/* recv'd frame alignment error */
 107 int rx_fifo_errors;/* recv'r fifo overrun */
 108 int rx_missed_errors;/* receiver missed packet */
 109
 110 /* detailed tx_errors */
 111 int tx_aborted_errors;
 112 int tx_carrier_errors;
 113 int tx_fifo_errors;
 114 int tx_heartbeat_errors;
 115 int tx_window_errors;
 116 };
 117
 118
 119 #endif/* _LINUX_IF_ETHER_H */