| /****************************************************************************** |
| * |
| * (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_ */ |