[unix-history] / sys / netiso / tp_tpdu.h

/*-
 * Copyright (c) 1991 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.
 *
 *	from: @(#)tp_tpdu.h	7.4 (Berkeley) 5/6/91
 *	$Id$
 */

/***********************************************************
		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__
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1991 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
43371f85 RG	33	* from: @(#)tp_tpdu.h 7.4 (Berkeley) 5/6/91
43371f85 RG	34	* $Id$
15637ed4 RG	35	*/
	36
	37	/***********************************************************
	38	Copyright IBM Corporation 1987
	39
	40	All Rights Reserved
	41
	42	Permission to use, copy, modify, and distribute this software and its
	43	documentation for any purpose and without fee is hereby granted,
	44	provided that the above copyright notice appear in all copies and that
	45	both that copyright notice and this permission notice appear in
	46	supporting documentation, and that the name of IBM not be
	47	used in advertising or publicity pertaining to distribution of the
	48	software without specific, written prior permission.
	49
	50	IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
	51	ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
	52	IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
	53	ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	54	WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
	55	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
	56	SOFTWARE.
	57
	58	******************************************************************/
	59
	60	/*
	61	* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
	62	*/
43371f85	63
15637ed4 RG	64	/*
	65	* ARGO TP
	66	*
15637ed4 RG	67	* This ghastly set of macros makes it possible to
	68	* refer to tpdu structures without going mad.
	69	*/
	70
	71	#ifndef __TP_TPDU__
	72	#define __TP_TPDU__
	73
	74	#ifndef BYTE_ORDER
	75	/*
	76	* Definitions for byte order,
	77	* according to byte significance from low address to high.
	78	*/
	79	#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax) */
	80	#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
	81	#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */
	82
	83	#ifdef vax
	84	#define BYTE_ORDER LITTLE_ENDIAN
	85	#else
	86	#define BYTE_ORDER BIG_ENDIAN /* mc68000, tahoe, most others */
	87	#endif
	88	#endif BYTE_ORDER
	89
	90	/* This much of a tpdu is the same for all types of tpdus (except
	91	* DT tpdus in class 0; their exceptions are handled by the data
	92	* structure below
	93	*/
	94	struct tpdu_fixed {
	95	u_char _tpduf_li:8, /* length indicator */
	96	#if BYTE_ORDER == LITTLE_ENDIAN
	97	_tpduf_cdt: 4, /* credit */
	98	_tpduf_type: 4; /* type of tpdu (DT, CR, etc.) */
	99	#endif
	100	#if BYTE_ORDER == BIG_ENDIAN
	101	_tpduf_type: 4, /* type of tpdu (DT, CR, etc.) */
	102	_tpduf_cdt: 4; /* credit */
	103	#endif
	104	u_short _tpduf_dref; /* destination ref; not in DT in class 0 */
	105	};
	106
	107	#define tpdu_li _tpduf._tpduf_li
	108	#define tpdu_type _tpduf._tpduf_type
	109	#define tpdu_cdt _tpduf._tpduf_cdt
	110	#define tpdu_dref _tpduf._tpduf_dref
	111
	112	struct tp0du {
	113	u_char _tp0_li,
	114	_tp0_cdt_type, /* same as in tpdu_fixed */
	115	#if BYTE_ORDER == BIG_ENDIAN
	116	_tp0_eot: 1, /* eot */
	117	_tp0_mbz: 7, /* must be zero */
	118	#endif
	119	#if BYTE_ORDER == LITTLE_ENDIAN
	120	_tp0_mbz: 7, /* must be zero */
	121	_tp0_eot: 1, /* eot */
	122	#endif
	123	_tp0_notused: 8; /* data begins on this octet */
	124	};
	125
	126	#define tp0du_eot _tp0_eot
	127	#define tp0du_mbz _tp0_mbz
	128
	129	/*
	130	* This is used when the extended format seqence numbers are
131	* being sent and received.
132	*/
133	/*
134	* the seqeot field is an int that overlays the seq
135	* and eot fields, this allows the htonl operation
136	* to be applied to the entire 32 bit quantity, and
137	* simplifies the structure definitions.
138	*/
139	union seq_type {
140	struct {
141	#if BYTE_ORDER == BIG_ENDIAN
142	unsigned int st_eot:1, /* end-of-tsdu */
143	st_seq:31; /* 31 bit sequence number */
144	#endif
145	#if BYTE_ORDER == LITTLE_ENDIAN
146	unsigned int st_seq:31, /* 31 bit sequence number */
147	st_eot:1; /* end-of-tsdu */
148	#endif
149	} st;
150	unsigned int s_seqeot;
151	#define s_eot st.st_eot
152	#define s_seq st.st_seq
153	};
154
155	/* Then most tpdu types have a portion that is always present but
156	* differs among the tpdu types :
157	*/
158	union tpdu_fixed_rest {
159
160	struct {
161	u_short _tpdufr_sref, /* source reference */
162	#if BYTE_ORDER == BIG_ENDIAN
163	_tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */
164	_tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */
165	#endif
166	#if BYTE_ORDER == LITTLE_ENDIAN
167	_tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */
168	_tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */
169	#endif
170	_tpdufr_xx: 8; /* unused */
171	} CRCC;
172
173	#define tpdu_CRli _tpduf._tpduf_li
174	#define tpdu_CRtype _tpduf._tpduf_type
175	#define tpdu_CRcdt _tpduf._tpduf_cdt
176	#define tpdu_CRdref_0 _tpduf._tpduf_dref
177	#define tpdu_CRsref _tpdufr.CRCC._tpdufr_sref
178	#define tpdu_sref _tpdufr.CRCC._tpdufr_sref
179	#define tpdu_CRclass _tpdufr.CRCC._tpdufr_class
180	#define tpdu_CRoptions _tpdufr.CRCC._tpdufr_opt
181
182	#define tpdu_CCli _tpduf._tpduf_li
183	#define tpdu_CCtype _tpduf._tpduf_type
184	#define tpdu_CCcdt _tpduf._tpduf_cdt
185	#define tpdu_CCdref _tpduf._tpduf_dref
186	#define tpdu_CCsref _tpdufr.CRCC._tpdufr_sref
187	#define tpdu_CCclass _tpdufr.CRCC._tpdufr_class
188	#define tpdu_CCoptions _tpdufr.CRCC._tpdufr_opt
189
190	/* OPTIONS and ADDL OPTIONS bits */
191	#define TPO_USE_EFC 0x1
192	#define TPO_XTD_FMT 0x2
193	#define TPAO_USE_TXPD 0x1
194	#define TPAO_NO_CSUM 0x2
195	#define TPAO_USE_RCC 0x4
196	#define TPAO_USE_NXPD 0x8
197
198	struct {
199	unsigned short _tpdufr_sref; /* source reference */
200	unsigned char _tpdufr_reason; /* [ ISO 8073 13.5.3.d ] */
201	} DR;
202	#define tpdu_DRli _tpduf._tpduf_li
203	#define tpdu_DRtype _tpduf._tpduf_type
204	#define tpdu_DRdref _tpduf._tpduf_dref
205	#define tpdu_DRsref _tpdufr.DR._tpdufr_sref
206	#define tpdu_DRreason _tpdufr.DR._tpdufr_reason
207
208	unsigned short _tpdufr_sref; /* source reference */
209
210	#define tpdu_DCli _tpduf._tpduf_li
211	#define tpdu_DCtype _tpduf._tpduf_type
212	#define tpdu_DCdref _tpduf._tpduf_dref
213	#define tpdu_DCsref _tpdufr._tpdufr_sref
214
215	struct {
216	#if BYTE_ORDER == BIG_ENDIAN
217	unsigned char _tpdufr_eot:1, /* end-of-tsdu */
218	_tpdufr_seq:7; /* 7 bit sequence number */
219	#endif
220	#if BYTE_ORDER == LITTLE_ENDIAN
221	unsigned char _tpdufr_seq:7, /* 7 bit sequence number */
222	_tpdufr_eot:1; /* end-of-tsdu */
223	#endif
224	}SEQEOT;
225	struct {
226	#if BYTE_ORDER == BIG_ENDIAN
227	unsigned int _tpdufr_Xeot:1, /* end-of-tsdu */
228	_tpdufr_Xseq:31; /* 31 bit sequence number */
229	#endif
230	#if BYTE_ORDER == LITTLE_ENDIAN
231	unsigned int _tpdufr_Xseq:31, /* 31 bit sequence number */
232	_tpdufr_Xeot:1; /* end-of-tsdu */
233	#endif
234	}SEQEOT31;
235	unsigned int _tpdufr_Xseqeot;
236	#define tpdu_seqeotX _tpdufr._tpdufr_Xseqeot
237
238	#define tpdu_DTli _tpduf._tpduf_li
239	#define tpdu_DTtype _tpduf._tpduf_type
240	#define tpdu_DTdref _tpduf._tpduf_dref
241	#define tpdu_DTseq _tpdufr.SEQEOT._tpdufr_seq
242	#define tpdu_DTeot _tpdufr.SEQEOT._tpdufr_eot
243	#define tpdu_DTseqX _tpdufr.SEQEOT31._tpdufr_Xseq
244	#define tpdu_DTeotX _tpdufr.SEQEOT31._tpdufr_Xeot
245
246	#define tpdu_XPDli _tpduf._tpduf_li
247	#define tpdu_XPDtype _tpduf._tpduf_type
248	#define tpdu_XPDdref _tpduf._tpduf_dref
249	#define tpdu_XPDseq _tpdufr.SEQEOT._tpdufr_seq
250	#define tpdu_XPDeot _tpdufr.SEQEOT._tpdufr_eot
251	#define tpdu_XPDseqX _tpdufr.SEQEOT31._tpdufr_Xseq
252	#define tpdu_XPDeotX _tpdufr.SEQEOT31._tpdufr_Xeot
253
254	struct {
255	#if BYTE_ORDER == BIG_ENDIAN
256	unsigned _tpdufr_yrseq0:1, /* always zero */
257	_tpdufr_yrseq:31; /* [ ISO 8073 13.9.3.d ] */
258	#endif
259	#if BYTE_ORDER == LITTLE_ENDIAN
260	unsigned _tpdufr_yrseq:31, /* [ ISO 8073 13.9.3.d ] */
261	_tpdufr_yrseq0:1; /* always zero */
262	#endif
263	unsigned short _tpdufr_cdt; /* [ ISO 8073 13.9.3.b ] */
264	} AK31;
265
266	#define tpdu_AKli _tpduf._tpduf_li
267	#define tpdu_AKtype _tpduf._tpduf_type
268	#define tpdu_AKdref _tpduf._tpduf_dref
269	#define tpdu_AKseq _tpdufr.SEQEOT._tpdufr_seq
270	#define tpdu_AKseqX _tpdufr.AK31._tpdufr_yrseq
271	/* location of cdt depends on size of seq. numbers */
272	#define tpdu_AKcdt _tpduf._tpduf_cdt
273	#define tpdu_AKcdtX _tpdufr.AK31._tpdufr_cdt
274
275	#define tpdu_XAKli _tpduf._tpduf_li
276	#define tpdu_XAKtype _tpduf._tpduf_type
277	#define tpdu_XAKdref _tpduf._tpduf_dref
278	#define tpdu_XAKseq _tpdufr.SEQEOT._tpdufr_seq
279	#define tpdu_XAKseqX _tpdufr.SEQEOT31._tpdufr_Xseq
280
281	unsigned char _tpdu_ERreason; /* [ ISO 8073 13.12.3.c ] */
282
283	#define tpdu_ERli _tpduf._tpduf_li
284	#define tpdu_ERtype _tpduf._tpduf_type
285	#define tpdu_ERdref _tpduf._tpduf_dref
286	#define tpdu_ERreason _tpdufr._tpdu_ERreason
287
288	};
289
290	struct tpdu {
291	struct tpdu_fixed _tpduf;
292	union tpdu_fixed_rest _tpdufr;
293	};
294
295	#endif __TP_TPDU__