70 строки
1.9 KiB
C
70 строки
1.9 KiB
C
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/******************************************************************************
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*
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* (C)Copyright 1998,1999 SysKonnect,
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* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The information in this file is provided "AS IS" without warranty.
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*
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******************************************************************************/
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#ifndef _FDDI_
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#define _FDDI_
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struct fddi_addr {
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u_char a[6] ;
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} ;
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#define GROUP_ADDR 0x80 /* MSB in a[0] */
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struct fddi_mac {
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struct fddi_addr mac_dest ;
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struct fddi_addr mac_source ;
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u_char mac_info[4478] ;
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} ;
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#define FDDI_MAC_SIZE (12)
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#define FDDI_RAW_MTU (4500-5) /* exl. Pr,SD, ED/FS */
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#define FDDI_RAW (4500)
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/*
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* FC values
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*/
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#define FC_VOID 0x40 /* void frame */
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#define FC_TOKEN 0x80 /* token */
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#define FC_RES_TOKEN 0xc0 /* restricted token */
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#define FC_SMT_INFO 0x41 /* SMT Info frame */
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/*
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* FC_SMT_LAN_LOC && FC_SMT_LOC are SK specific !
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*/
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#define FC_SMT_LAN_LOC 0x42 /* local SMT Info frame */
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#define FC_SMT_LOC 0x43 /* local SMT Info frame */
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#define FC_SMT_NSA 0x4f /* SMT NSA frame */
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#define FC_MAC 0xc0 /* MAC frame */
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#define FC_BEACON 0xc2 /* MAC beacon frame */
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#define FC_CLAIM 0xc3 /* MAC claim frame */
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#define FC_SYNC_LLC 0xd0 /* sync. LLC frame */
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#define FC_ASYNC_LLC 0x50 /* async. LLC frame */
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#define FC_SYNC_BIT 0x80 /* sync. bit in FC */
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#define FC_LLC_PRIOR 0x07 /* priority bits */
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#define BEACON_INFO 0 /* beacon type */
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#define DBEACON_INFO 1 /* beacon type DIRECTED */
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/*
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* indicator bits
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*/
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#define C_INDICATOR (1<<0)
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#define A_INDICATOR (1<<1)
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#define E_INDICATOR (1<<2)
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#define I_INDICATOR (1<<6) /* SK specific */
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#define L_INDICATOR (1<<7) /* SK specific */
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#endif /* _FDDI_ */
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