/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /*- * Copyright (c) 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)tp_tpdu.h 8.1 (Berkeley) 6/10/93 */ /*********************************************************** Copyright IBM Corporation 1987 All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of IBM not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison */ /* * ARGO TP * * This ghastly set of macros makes it possible to * refer to tpdu structures without going mad. */ #ifndef __TP_TPDU__ #define __TP_TPDU__ #ifndef BYTE_ORDER /* * Definitions for byte order, * according to byte significance from low address to high. */ #define LITTLE_ENDIAN 1234 /* least-significant byte first (vax) */ #define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */ #ifdef vax #define BYTE_ORDER LITTLE_ENDIAN #else #define BYTE_ORDER BIG_ENDIAN /* mc68000, tahoe, most others */ #endif #endif /* BYTE_ORDER */ /* This much of a tpdu is the same for all types of tpdus (except * DT tpdus in class 0; their exceptions are handled by the data * structure below */ struct tpdu_fixed { u_char _tpduf_li:8, /* length indicator */ #if BYTE_ORDER == LITTLE_ENDIAN _tpduf_cdt: 4, /* credit */ _tpduf_type: 4; /* type of tpdu (DT, CR, etc.) */ #endif #if BYTE_ORDER == BIG_ENDIAN _tpduf_type: 4, /* type of tpdu (DT, CR, etc.) */ _tpduf_cdt: 4; /* credit */ #endif u_short _tpduf_dref; /* destination ref; not in DT in class 0 */ }; #define tpdu_li _tpduf._tpduf_li #define tpdu_type _tpduf._tpduf_type #define tpdu_cdt _tpduf._tpduf_cdt #define tpdu_dref _tpduf._tpduf_dref struct tp0du { u_char _tp0_li, _tp0_cdt_type, /* same as in tpdu_fixed */ #if BYTE_ORDER == BIG_ENDIAN _tp0_eot: 1, /* eot */ _tp0_mbz: 7, /* must be zero */ #endif #if BYTE_ORDER == LITTLE_ENDIAN _tp0_mbz: 7, /* must be zero */ _tp0_eot: 1, /* eot */ #endif _tp0_notused: 8; /* data begins on this octet */ }; #define tp0du_eot _tp0_eot #define tp0du_mbz _tp0_mbz /* * This is used when the extended format seqence numbers are * being sent and received. */ /* * the seqeot field is an int that overlays the seq * and eot fields, this allows the htonl operation * to be applied to the entire 32 bit quantity, and * simplifies the structure definitions. */ union seq_type { struct { #if BYTE_ORDER == BIG_ENDIAN unsigned int st_eot:1, /* end-of-tsdu */ st_seq:31; /* 31 bit sequence number */ #endif #if BYTE_ORDER == LITTLE_ENDIAN unsigned int st_seq:31, /* 31 bit sequence number */ st_eot:1; /* end-of-tsdu */ #endif } st; unsigned int s_seqeot; #define s_eot st.st_eot #define s_seq st.st_seq }; /* Then most tpdu types have a portion that is always present but * differs among the tpdu types : */ union tpdu_fixed_rest { struct { u_short _tpdufr_sref, /* source reference */ #if BYTE_ORDER == BIG_ENDIAN _tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */ _tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */ #endif #if BYTE_ORDER == LITTLE_ENDIAN _tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */ _tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */ #endif _tpdufr_xx: 8; /* unused */ } CRCC; #define tpdu_CRli _tpduf._tpduf_li #define tpdu_CRtype _tpduf._tpduf_type #define tpdu_CRcdt _tpduf._tpduf_cdt #define tpdu_CRdref_0 _tpduf._tpduf_dref #define tpdu_CRsref _tpdufr.CRCC._tpdufr_sref #define tpdu_sref _tpdufr.CRCC._tpdufr_sref #define tpdu_CRclass _tpdufr.CRCC._tpdufr_class #define tpdu_CRoptions _tpdufr.CRCC._tpdufr_opt #define tpdu_CCli _tpduf._tpduf_li #define tpdu_CCtype _tpduf._tpduf_type #define tpdu_CCcdt _tpduf._tpduf_cdt #define tpdu_CCdref _tpduf._tpduf_dref #define tpdu_CCsref _tpdufr.CRCC._tpdufr_sref #define tpdu_CCclass _tpdufr.CRCC._tpdufr_class #define tpdu_CCoptions _tpdufr.CRCC._tpdufr_opt /* OPTIONS and ADDL OPTIONS bits */ #define TPO_USE_EFC 0x1 #define TPO_XTD_FMT 0x2 #define TPAO_USE_TXPD 0x1 #define TPAO_NO_CSUM 0x2 #define TPAO_USE_RCC 0x4 #define TPAO_USE_NXPD 0x8 struct { unsigned short _tpdufr_sref; /* source reference */ unsigned char _tpdufr_reason; /* [ ISO 8073 13.5.3.d ] */ } DR; #define tpdu_DRli _tpduf._tpduf_li #define tpdu_DRtype _tpduf._tpduf_type #define tpdu_DRdref _tpduf._tpduf_dref #define tpdu_DRsref _tpdufr.DR._tpdufr_sref #define tpdu_DRreason _tpdufr.DR._tpdufr_reason unsigned short _tpdufr_sref; /* source reference */ #define tpdu_DCli _tpduf._tpduf_li #define tpdu_DCtype _tpduf._tpduf_type #define tpdu_DCdref _tpduf._tpduf_dref #define tpdu_DCsref _tpdufr._tpdufr_sref struct { #if BYTE_ORDER == BIG_ENDIAN unsigned char _tpdufr_eot:1, /* end-of-tsdu */ _tpdufr_seq:7; /* 7 bit sequence number */ #endif #if BYTE_ORDER == LITTLE_ENDIAN unsigned char _tpdufr_seq:7, /* 7 bit sequence number */ _tpdufr_eot:1; /* end-of-tsdu */ #endif }SEQEOT; struct { #if BYTE_ORDER == BIG_ENDIAN unsigned int _tpdufr_Xeot:1, /* end-of-tsdu */ _tpdufr_Xseq:31; /* 31 bit sequence number */ #endif #if BYTE_ORDER == LITTLE_ENDIAN unsigned int _tpdufr_Xseq:31, /* 31 bit sequence number */ _tpdufr_Xeot:1; /* end-of-tsdu */ #endif }SEQEOT31; unsigned int _tpdufr_Xseqeot; #define tpdu_seqeotX _tpdufr._tpdufr_Xseqeot #define tpdu_DTli _tpduf._tpduf_li #define tpdu_DTtype _tpduf._tpduf_type #define tpdu_DTdref _tpduf._tpduf_dref #define tpdu_DTseq _tpdufr.SEQEOT._tpdufr_seq #define tpdu_DTeot _tpdufr.SEQEOT._tpdufr_eot #define tpdu_DTseqX _tpdufr.SEQEOT31._tpdufr_Xseq #define tpdu_DTeotX _tpdufr.SEQEOT31._tpdufr_Xeot #define tpdu_XPDli _tpduf._tpduf_li #define tpdu_XPDtype _tpduf._tpduf_type #define tpdu_XPDdref _tpduf._tpduf_dref #define tpdu_XPDseq _tpdufr.SEQEOT._tpdufr_seq #define tpdu_XPDeot _tpdufr.SEQEOT._tpdufr_eot #define tpdu_XPDseqX _tpdufr.SEQEOT31._tpdufr_Xseq #define tpdu_XPDeotX _tpdufr.SEQEOT31._tpdufr_Xeot struct { #if BYTE_ORDER == BIG_ENDIAN unsigned _tpdufr_yrseq0:1, /* always zero */ _tpdufr_yrseq:31; /* [ ISO 8073 13.9.3.d ] */ #endif #if BYTE_ORDER == LITTLE_ENDIAN unsigned _tpdufr_yrseq:31, /* [ ISO 8073 13.9.3.d ] */ _tpdufr_yrseq0:1; /* always zero */ #endif unsigned short _tpdufr_cdt; /* [ ISO 8073 13.9.3.b ] */ } AK31; #define tpdu_AKli _tpduf._tpduf_li #define tpdu_AKtype _tpduf._tpduf_type #define tpdu_AKdref _tpduf._tpduf_dref #define tpdu_AKseq _tpdufr.SEQEOT._tpdufr_seq #define tpdu_AKseqX _tpdufr.AK31._tpdufr_yrseq /* location of cdt depends on size of seq. numbers */ #define tpdu_AKcdt _tpduf._tpduf_cdt #define tpdu_AKcdtX _tpdufr.AK31._tpdufr_cdt #define tpdu_XAKli _tpduf._tpduf_li #define tpdu_XAKtype _tpduf._tpduf_type #define tpdu_XAKdref _tpduf._tpduf_dref #define tpdu_XAKseq _tpdufr.SEQEOT._tpdufr_seq #define tpdu_XAKseqX _tpdufr.SEQEOT31._tpdufr_Xseq unsigned char _tpdu_ERreason; /* [ ISO 8073 13.12.3.c ] */ #define tpdu_ERli _tpduf._tpduf_li #define tpdu_ERtype _tpduf._tpduf_type #define tpdu_ERdref _tpduf._tpduf_dref #define tpdu_ERreason _tpdufr._tpdu_ERreason }; struct tpdu { struct tpdu_fixed _tpduf; union tpdu_fixed_rest _tpdufr; }; #endif /* __TP_TPDU__ */