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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 values32 */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 bits58 */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