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 14 struct fddi_addr { 15 u_char a[6] ; 16 } ; 17 18 #define GROUP_ADDR 0x80 /* MSB in a[0] */ 19 20 struct 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 values 32 */ 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 bits 58 */ 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