drivers/net/skfp/h/fddi.h

   1 /******************************************************************************
   2  *
   3  *      (C)Copyright 1998,1999 SysKonnect,
   4  *      a business unit of Schneider & Koch & Co. Datensysteme GmbH.
   5  *
   6  *      This program is free software; you can redistribute it and/or modify
   7  *      it under the terms of the GNU General Public License as published by
   8  *      the Free Software Foundation; either version 2 of the License, or
   9  *      (at your option) any later version.
  10  *
  11  *      The information in this file is provided "AS IS" without warranty.
  12  *
  13  ******************************************************************************/
  14
  15 #ifndef _FDDI_
  16 #define _FDDI_
  17
  18 struct fddi_addr {
  19         u_char  a[6] ;
  20 } ;
  21
  22 #define GROUP_ADDR      0x80            /* MSB in a[0] */
  23
  24 struct fddi_mac {
  25         struct fddi_addr        mac_dest ;
  26         struct fddi_addr        mac_source ;
  27         u_char                  mac_info[4478] ;
  28 } ;
  29
  30 #define FDDI_MAC_SIZE   (12)
  31 #define FDDI_RAW_MTU    (4500-5)        /* exl. Pr,SD, ED/FS */
  32 #define FDDI_RAW        (4500)
  33
  34 /*
  35  * FC values
  36  */
  37 #define FC_VOID         0x40            /* void frame */
  38 #define FC_TOKEN        0x80            /* token */
  39 #define FC_RES_TOKEN    0xc0            /* restricted token */
  40 #define FC_SMT_INFO     0x41            /* SMT Info frame */
  41 /*
  42  * FC_SMT_LAN_LOC && FC_SMT_LOC are SK specific !
  43  */
  44 #define FC_SMT_LAN_LOC  0x42            /* local SMT Info frame */
  45 #define FC_SMT_LOC      0x43            /* local SMT Info frame */
  46 #define FC_SMT_NSA      0x4f            /* SMT NSA frame */
  47 #define FC_MAC          0xc0            /* MAC frame */
  48 #define FC_BEACON       0xc2            /* MAC beacon frame */
  49 #define FC_CLAIM        0xc3            /* MAC claim frame */
  50 #define FC_SYNC_LLC     0xd0            /* sync. LLC frame */
  51 #define FC_ASYNC_LLC    0x50            /* async. LLC frame */
  52 #define FC_SYNC_BIT     0x80            /* sync. bit in FC */
  53
  54 #define FC_LLC_PRIOR    0x07            /* priority bits */
  55
  56 #define BEACON_INFO     0               /* beacon type */
  57 #define DBEACON_INFO    1               /* beacon type DIRECTED */
  58
  59
  60 /*
  61  * indicator bits
  62  */
  63 #define C_INDICATOR     (1<<0)
  64 #define A_INDICATOR     (1<<1)
  65 #define E_INDICATOR     (1<<2)
  66 #define I_INDICATOR     (1<<6)          /* SK specific */
  67 #define L_INDICATOR     (1<<7)          /* SK specific */
  68
  69 #endif  /* _FDDI_ */