drivers/net/fddi/skfp/h/fddi.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /******************************************************************************
   3  *
   4  *      (C)Copyright 1998,1999 SysKonnect,
   5  *      a business unit of Schneider & Koch & Co. Datensysteme GmbH.
   6  *
   7  *      The information in this file is provided "AS IS" without warranty.
   8  *
   9  ******************************************************************************/
  10
  11 #ifndef _FDDI_
  12 #define _FDDI_
  13
  14 struct fddi_addr {
  15         u_char  a[6] ;
  16 } ;
  17
  18 #define GROUP_ADDR      0x80            /* MSB in a[0] */
  19
  20 struct fddi_mac {
  21         struct fddi_addr        mac_dest ;
  22         struct fddi_addr        mac_source ;
  23         u_char                  mac_info[4478] ;
  24 } ;
  25
  26 #define FDDI_MAC_SIZE   (12)
  27 #define FDDI_RAW_MTU    (4500-5)        /* exl. Pr,SD, ED/FS */
  28 #define FDDI_RAW        (4500)
  29
  30 /*
  31  * FC values
  32  */
  33 #define FC_VOID         0x40            /* void frame */
  34 #define FC_TOKEN        0x80            /* token */
  35 #define FC_RES_TOKEN    0xc0            /* restricted token */
  36 #define FC_SMT_INFO     0x41            /* SMT Info frame */
  37 /*
  38  * FC_SMT_LAN_LOC && FC_SMT_LOC are SK specific !
  39  */
  40 #define FC_SMT_LAN_LOC  0x42            /* local SMT Info frame */
  41 #define FC_SMT_LOC      0x43            /* local SMT Info frame */
  42 #define FC_SMT_NSA      0x4f            /* SMT NSA frame */
  43 #define FC_MAC          0xc0            /* MAC frame */
  44 #define FC_BEACON       0xc2            /* MAC beacon frame */
  45 #define FC_CLAIM        0xc3            /* MAC claim frame */
  46 #define FC_SYNC_LLC     0xd0            /* sync. LLC frame */
  47 #define FC_ASYNC_LLC    0x50            /* async. LLC frame */
  48 #define FC_SYNC_BIT     0x80            /* sync. bit in FC */
  49
  50 #define FC_LLC_PRIOR    0x07            /* priority bits */
  51
  52 #define BEACON_INFO     0               /* beacon type */
  53 #define DBEACON_INFO    1               /* beacon type DIRECTED */
  54
  55
  56 /*
  57  * indicator bits
  58  */
  59 #define C_INDICATOR     (1<<0)
  60 #define A_INDICATOR     (1<<1)
  61 #define E_INDICATOR     (1<<2)
  62 #define I_INDICATOR     (1<<6)          /* SK specific */
  63 #define L_INDICATOR     (1<<7)          /* SK specific */
  64
  65 #endif  /* _FDDI_ */