sysdeps/mach/hurd/net/if_ether.h

   1 /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _NET_IF_ETHER_H
  19 #define _NET_IF_ETHER_H 1
  20
  21 /*
  22  *      IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
  23  *      and FCS/CRC (frame check sequence).
  24  */
  25
  26 #define ETH_ALEN        6               /* Octets in one ethernet addr   */
  27 #define ETH_HLEN        14              /* Total octets in header.       */
  28 #define ETH_ZLEN        60              /* Min. octets in frame sans FCS */
  29 #define ETH_DATA_LEN    1500            /* Max. octets in payload        */
  30 #define ETH_FRAME_LEN   1514            /* Max. octets in frame sans FCS */
  31
  32 /*
  33  *      These are the defined Ethernet Protocol ID's.
  34  */
  35
  36 #define ETH_P_LOOP      0x0060          /* Ethernet Loopback packet     */
  37 #define ETH_P_ECHO      0x0200          /* Ethernet Echo packet         */
  38 #define ETH_P_PUP       0x0400          /* Xerox PUP packet             */
  39 #define ETH_P_IP        0x0800          /* Internet Protocol packet     */
  40 #define ETH_P_X25       0x0805          /* CCITT X.25                   */
  41 #define ETH_P_ARP       0x0806          /* Address Resolution packet    */
  42 #define ETH_P_BPQ       0x08FF          /* G8BPQ AX.25 Ethernet Packet  [ NOT AN OFFICIALLY REGISTERED ID ] */
  43 #define ETH_P_DEC       0x6000          /* DEC Assigned proto           */
  44 #define ETH_P_DNA_DL    0x6001          /* DEC DNA Dump/Load            */
  45 #define ETH_P_DNA_RC    0x6002          /* DEC DNA Remote Console       */
  46 #define ETH_P_DNA_RT    0x6003          /* DEC DNA Routing              */
  47 #define ETH_P_LAT       0x6004          /* DEC LAT                      */
  48 #define ETH_P_DIAG      0x6005          /* DEC Diagnostics              */
  49 #define ETH_P_CUST      0x6006          /* DEC Customer use             */
  50 #define ETH_P_SCA       0x6007          /* DEC Systems Comms Arch       */
  51 #define ETH_P_RARP      0x8035          /* Reverse Addr Res packet      */
  52 #define ETH_P_ATALK     0x809B          /* Appletalk DDP                */
  53 #define ETH_P_AARP      0x80F3          /* Appletalk AARP               */
  54 #define ETH_P_IPX       0x8137          /* IPX over DIX                 */
  55 #define ETH_P_IPV6      0x86DD          /* IPv6 over bluebook           */
  56
  57 /*
  58  *      Non DIX types. Won't clash for 1500 types.
  59  */
  60
  61 #define ETH_P_802_3     0x0001          /* Dummy type for 802.3 frames  */
  62 #define ETH_P_AX25      0x0002          /* Dummy protocol id for AX.25  */
  63 #define ETH_P_ALL       0x0003          /* Every packet (be careful!!!) */
  64 #define ETH_P_802_2     0x0004          /* 802.2 frames                 */
  65 #define ETH_P_SNAP      0x0005          /* Internal only                */
  66 #define ETH_P_DDCMP     0x0006          /* DEC DDCMP: Internal only     */
  67 #define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
  68 #define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
  69 #define ETH_P_LOCALTALK 0x0009          /* Localtalk pseudo type        */
  70 #define ETH_P_PPPTALK   0x0010          /* Dummy type for Atalk over PPP*/
  71 #define ETH_P_TR_802_2  0x0011          /* 802.2 frames                 */
  72
  73 /*
  74  *      This is an Ethernet frame header.
  75  */
  76
  77 struct ethhdr
  78 {
  79   unsigned char h_dest[ETH_ALEN];       /* destination eth addr */
  80   unsigned char h_source[ETH_ALEN];     /* source ether addr    */
  81   unsigned short int h_proto;           /* packet type ID field */
  82 };
  83
  84 #endif  /* net/if_ether.h */