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 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License 15 * as published by the Free Software Foundation; either version 16 * 2 of the License, or (at your option) any later version. 17 */ 18 #ifndef _LINUX_IF_ETHER_H 19 #define _LINUX_IF_ETHER_H 20 21 22 /* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 23 and FCS/CRC (frame check sequence). */ 24 #define ETH_ALEN 6 /* Octets in one ethernet addr */ 25 #define ETH_HLEN 14 /* Total octets in header. */ 26 #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 27 #define ETH_DATA_LEN 1500 /* Max. octets in payload */ 28 #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 29 30 31 /* These are the defined Ethernet Protocol ID's. */ 32 #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ 33 #define ETH_P_ECHO 0x0200 /* Ethernet Echo packet */ 34 #define ETH_P_PUP 0x0400 /* Xerox PUP packet */ 35 #define ETH_P_IP 0x0800 /* Internet Protocol packet */ 36 #define ETH_P_ARP 0x0806 /* Address Resolution packet */ 37 #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ 38 #define ETH_P_X25 0x0805 /* CCITT X.25 */ 39 #define ETH_P_ATALK 0x809B /* Appletalk DDP */ 40 #define ETH_P_IPX 0x8137 /* IPX over DIX */ 41 #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ 42 #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ 43 #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ 44 #define ETH_P_802_2 0x0004 /* 802.2 frames */ 45 #define ETH_P_SNAP 0x0005 /* Internal only */ 46 /* This is an Ethernet frame header. */ 47 struct ethhdr { 48 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ 49 unsigned char h_source[ETH_ALEN]; /* source ether addr */ 50 unsigned short h_proto; /* packet type ID field */ 51 }; 52 53 /* Ethernet statistics collection data. */ 54 struct enet_statistics{ 55 int rx_packets; /* total packets received */ 56 int tx_packets; /* total packets transmitted */ 57 int rx_errors; /* bad packets received */ 58 int tx_errors; /* packet transmit problems */ 59 int rx_dropped; /* no space in linux buffers */ 60 int tx_dropped; /* no space available in linux */ 61 int multicast; /* multicast packets received */ 62 int collisions; 63 64 /* detailed rx_errors: */ 65 int rx_length_errors; 66 int rx_over_errors; /* receiver ring buff overflow */ 67 int rx_crc_errors; /* recved pkt with crc error */ 68 int rx_frame_errors; /* recv'd frame alignment error */ 69 int rx_fifo_errors; /* recv'r fifo overrun */ 70 int rx_missed_errors; /* receiver missed packet */ 71 72 /* detailed tx_errors */ 73 int tx_aborted_errors; 74 int tx_carrier_errors; 75 int tx_fifo_errors; 76 int tx_heartbeat_errors; 77 int tx_window_errors; 78 }; 79 80 #endif /* _LINUX_IF_ETHER_H */