fddi.h
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上传日期:2013-02-24
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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_ */