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/******************************************************************************

 *

 *      (C)Copyright 1998,1999 SysKonnect,

 *      a business unit of Schneider & Koch & Co. Datensysteme GmbH.

 *

 *      This program is free software; you can redistribute it and/or modify

 *      it under the terms of the GNU General Public License as published by

 *      the Free Software Foundation; either version 2 of the License, or

 *      (at your option) any later version.

 *

 *      The information in this file is provided "AS IS" without warranty.

 *

 ******************************************************************************/

#ifndef _FDDI_

#define _FDDI_

struct fddi_addr {

        u_char  a[6] ;

} ;

#define GROUP_ADDR      0x80            /* MSB in a[0] */

struct fddi_mac {

        struct fddi_addr        mac_dest ;

        struct fddi_addr        mac_source ;

        u_char                  mac_info[4478] ;

} ;

#define FDDI_MAC_SIZE   (12)

#define FDDI_RAW_MTU    (4500-5)        /* exl. Pr,SD, ED/FS */

#define FDDI_RAW        (4500)

/*

 * FC values

 */

#define FC_VOID         0x40            /* void frame */

#define FC_TOKEN        0x80            /* token */

#define FC_RES_TOKEN    0xc0            /* restricted token */

#define FC_SMT_INFO     0x41            /* SMT Info frame */

/*

 * FC_SMT_LAN_LOC && FC_SMT_LOC are SK specific !

 */

#define FC_SMT_LAN_LOC  0x42            /* local SMT Info frame */

#define FC_SMT_LOC      0x43            /* local SMT Info frame */

#define FC_SMT_NSA      0x4f            /* SMT NSA frame */

#define FC_MAC          0xc0            /* MAC frame */

#define FC_BEACON       0xc2            /* MAC beacon frame */

#define FC_CLAIM        0xc3            /* MAC claim frame */

#define FC_SYNC_LLC     0xd0            /* sync. LLC frame */

#define FC_ASYNC_LLC    0x50            /* async. LLC frame */

#define FC_SYNC_BIT     0x80            /* sync. bit in FC */

#define FC_LLC_PRIOR    0x07            /* priority bits */

#define BEACON_INFO     0                /* beacon type */

#define DBEACON_INFO    1               /* beacon type DIRECTED */

/*

 * indicator bits

 */

#define C_INDICATOR     (1<<0)

#define A_INDICATOR     (1<<1)

#define E_INDICATOR     (1<<2)

#define I_INDICATOR     (1<<6)          /* SK specific */ 

#define L_INDICATOR     (1<<7)          /* SK specific */

#endif  /* _FDDI_ */