include/linux/if

/* */
   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 IEE 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_IPX       0x8137          /* IPX over DIX                 */
  40 #define ETH_P_802_3     0x0001          /* Dummy type for 802.3 frames  */
  41 #define ETH_P_AX25      0x0002          /* Dummy protocol id for AX.25  */
  42 #define ETH_P_ALL       0x0003          /* Every packet (be careful!!!) */
  43 #define ETH_P_802_2     0x0004          /* 802.2 frames                 */
  44 #define ETH_P_SNAP      0x0005          /* 802.2 SNAP frames            */
  45 
  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 */
/* */
root/include/linux/if_ether.h

INCLUDED FROM
