/* 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_ */