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/* SPDX-License-Identifier: GPL-2.0-or-later */
/******************************************************************************
*
* (C)Copyright 1998,1999 SysKonnect,
* a business unit of Schneider & Koch & Co. Datensysteme GmbH.
*
* 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_ */
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