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 #ifndef _LINUX_IF_ETHER_H 21 #define _LINUX_IF_ETHER_H 22 23 /* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 24 and FCS/CRC (frame check sequence). */ 25 #define ETH_ALEN 6 /* Octets in one ethernet addr */ 26 #define ETH_HLEN 14 /* Total octets in header. */ 27 #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 28 #define ETH_DATA_LEN 1500 /* Max. octets in payload */ 29 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 30 31 32 /* These are the defined Ethernet Protocol ID's. */ 33 #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ 34 #define ETH_P_ECHO 0x0200 /* Ethernet Echo packet */ 35 #define ETH_P_PUP 0x0400 /* Xerox PUP packet */ 36 #define ETH_P_IP 0x0800 /* Internet Protocol packet */ 37 #define ETH_P_X25 0x0805 /* CCITT X.25 */ 38 #define ETH_P_ARP 0x0806 /* Address Resolution packet */ 39 #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ 40 #define ETH_P_DEC 0x6000 /* DEC Assigned proto */ 41 #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ 42 #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ 43 #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ 44 #define ETH_P_LAT 0x6004 /* DEC LAT */ 45 #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ 46 #define ETH_P_CUST 0x6006 /* DEC Customer use */ 47 #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ 48 #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ 49 #define ETH_P_ATALK 0x809B /* Appletalk DDP */ 50 #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ 51 #define ETH_P_IPX 0x8137 /* IPX over DIX */ 52 #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ 53 54 /* 55 * Non DIX types. Won't clash for 1500 types. 56 */ 57 58 #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ 59 #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ 60 #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ 61 #define ETH_P_802_2 0x0004 /* 802.2 frames */ 62 #define ETH_P_SNAP 0x0005 /* Internal only */ 63 #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ 64 #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ 65 #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ 66 #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudeo type */ 67 68 /* This is an Ethernet frame header. */ 69 struct ethhdr { 70 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ 71 unsigned char h_source[ETH_ALEN]; /* source ether addr */ 72 unsigned short h_proto; /* packet type ID field */ 73 }; 74 75 /* Ethernet statistics collection data. */ 76 struct enet_statistics{ 77 int rx_packets; /* total packets received */ 78 int tx_packets; /* total packets transmitted */ 79 int rx_errors; /* bad packets received */ 80 int tx_errors; /* packet transmit problems */ 81 int rx_dropped; /* no space in linux buffers */ 82 int tx_dropped; /* no space available in linux */ 83 int multicast; /* multicast packets received */ 84 int collisions; 85 86 /* detailed rx_errors: */ 87 int rx_length_errors; 88 int rx_over_errors; /* receiver ring buff overflow */ 89 int rx_crc_errors; /* recved pkt with crc error */ 90 int rx_frame_errors; /* recv'd frame alignment error */ 91 int rx_fifo_errors; /* recv'r fifo overrun */ 92 int rx_missed_errors; /* receiver missed packet */ 93 94 /* detailed tx_errors */ 95 int tx_aborted_errors; 96 int tx_carrier_errors; 97 int tx_fifo_errors; 98 int tx_heartbeat_errors; 99 int tx_window_errors; 100 }; 101 102 #endif /* _LINUX_IF_ETHER_H */