LXR linux/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
  14struct fddi_addr {
  15        u_char  a[6] ;
  16} ;
  17
  18#define GROUP_ADDR      0x80            /* MSB in a[0] */
  19
  20struct 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_ */
  66