1*2068f686Sderaadt /* $OpenBSD: fddi.h,v 1.7 2007/10/07 16:41:05 deraadt Exp $ */ 2cf4e9b47Sho 3df930be7Sderaadt /* 4c15d59edSmickey * Copyright (c) 1992, 1993, 1994, 1995, 1996 5df930be7Sderaadt * The Regents of the University of California. All rights reserved. 6df930be7Sderaadt * 7df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 8df930be7Sderaadt * modification, are permitted provided that: (1) source code distributions 9df930be7Sderaadt * retain the above copyright notice and this paragraph in its entirety, (2) 10df930be7Sderaadt * distributions including binary code include the above copyright notice and 11df930be7Sderaadt * this paragraph in its entirety in the documentation or other materials 12df930be7Sderaadt * provided with the distribution, and (3) all advertising materials mentioning 13df930be7Sderaadt * features or use of this software display the following acknowledgement: 14df930be7Sderaadt * ``This product includes software developed by the University of California, 15df930be7Sderaadt * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 16df930be7Sderaadt * the University nor the names of its contributors may be used to endorse 17df930be7Sderaadt * or promote products derived from this software without specific prior 18df930be7Sderaadt * written permission. 19df930be7Sderaadt * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 20df930be7Sderaadt * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 21df930be7Sderaadt * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 22df930be7Sderaadt * 23*2068f686Sderaadt * @(#) $Id: fddi.h,v 1.7 2007/10/07 16:41:05 deraadt Exp $ (LBL) 24df930be7Sderaadt */ 25df930be7Sderaadt 26df930be7Sderaadt /* 27df930be7Sderaadt * Based on Ultrix if_fddi.h 28df930be7Sderaadt */ 29df930be7Sderaadt 30df930be7Sderaadt /* 31df930be7Sderaadt * This stuff should come from a system header file, but there's no 32df930be7Sderaadt * obviously portable way to do that and it's not really going 33df930be7Sderaadt * to change from system to system (except for the padding business). 34df930be7Sderaadt */ 35df930be7Sderaadt 36df930be7Sderaadt struct fddi_header { 37df930be7Sderaadt u_char fddi_fc; /* frame control */ 38df930be7Sderaadt u_char fddi_dhost[6]; 39df930be7Sderaadt u_char fddi_shost[6]; 40df930be7Sderaadt }; 41df930be7Sderaadt 42df930be7Sderaadt 43df930be7Sderaadt /* Useful values for fddi_fc (frame control) field */ 44df930be7Sderaadt 45df930be7Sderaadt /* 46df930be7Sderaadt * FDDI Frame Control bits 47df930be7Sderaadt */ 48df930be7Sderaadt #define FDDIFC_C 0x80 /* Class bit */ 49df930be7Sderaadt #define FDDIFC_L 0x40 /* Address length bit */ 50df930be7Sderaadt #define FDDIFC_F 0x30 /* Frame format bits */ 51df930be7Sderaadt #define FDDIFC_Z 0x0f /* Control bits */ 52df930be7Sderaadt 53df930be7Sderaadt /* 54df930be7Sderaadt * FDDI Frame Control values. (48-bit addressing only). 55df930be7Sderaadt */ 56df930be7Sderaadt #define FDDIFC_VOID 0x40 /* Void frame */ 57df930be7Sderaadt #define FDDIFC_NRT 0x80 /* Nonrestricted token */ 58df930be7Sderaadt #define FDDIFC_RT 0xc0 /* Restricted token */ 59df930be7Sderaadt #define FDDIFC_SMT_INFO 0x41 /* SMT Info */ 60df930be7Sderaadt #define FDDIFC_SMT_NSA 0x4F /* SMT Next station adrs */ 61df930be7Sderaadt #define FDDIFC_MAC_BEACON 0xc2 /* MAC Beacon frame */ 62df930be7Sderaadt #define FDDIFC_MAC_CLAIM 0xc3 /* MAC Claim frame */ 63df930be7Sderaadt #define FDDIFC_LLC_ASYNC 0x50 /* Async. LLC frame */ 64df930be7Sderaadt #define FDDIFC_LLC_SYNC 0xd0 /* Sync. LLC frame */ 65df930be7Sderaadt #define FDDIFC_IMP_ASYNC 0x60 /* Implementor Async. */ 66df930be7Sderaadt #define FDDIFC_IMP_SYNC 0xe0 /* Implementor Synch. */ 67df930be7Sderaadt #define FDDIFC_SMT 0x40 /* SMT frame */ 68df930be7Sderaadt #define FDDIFC_MAC 0xc0 /* MAC frame */ 69df930be7Sderaadt 70df930be7Sderaadt #define FDDIFC_CLFF 0xF0 /* Class/Length/Format bits */ 71df930be7Sderaadt #define FDDIFC_ZZZZ 0x0F /* Control bits */ 72