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

/***********************************************************
		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
 *
 * $Header: tp_tpdu.h,v 4.4 88/07/26 16:45:40 nhall Exp $
 * $Source: /usr/argo/sys/netiso/RCS/tp_tpdu.h,v $
 *
 * 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 {
	unsigned	_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
				_tpduf_dref: 16;	/* 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 {
	unsigned	_tp0same:16,		/* 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 {
			unsigned	_tpdufr_sref:16, 	/* 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
1c490f1b KS	1	/***********************************************************
	2	Copyright IBM Corporation 1987
	3
	4	All Rights Reserved
	5
	6	Permission to use, copy, modify, and distribute this software and its
	7	documentation for any purpose and without fee is hereby granted,
	8	provided that the above copyright notice appear in all copies and that
	9	both that copyright notice and this permission notice appear in
	10	supporting documentation, and that the name of IBM not be
	11	used in advertising or publicity pertaining to distribution of the
	12	software without specific, written prior permission.
	13
	14	IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
	15	ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
	16	IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
	17	ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	18	WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
	19	ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
	20	SOFTWARE.
	21
	22	******************************************************************/
	23
	24	/*
	25	* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
	26	*/
	27	/*
	28	* ARGO TP
	29	*
	30	* $Header: tp_tpdu.h,v 4.4 88/07/26 16:45:40 nhall Exp $
	31	* $Source: /usr/argo/sys/netiso/RCS/tp_tpdu.h,v $
	32	*
	33	* This ghastly set of macros makes it possible to
	34	* refer to tpdu structures without going mad.
	35	*/
	36
	37	#ifndef __TP_TPDU__
	38	#define __TP_TPDU__
	39
	40	#ifndef BYTE_ORDER
	41	/*
	42	* Definitions for byte order,
	43	* according to byte significance from low address to high.
	44	*/
	45	#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax) */
	46	#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */
	47	#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */
	48
	49	#ifdef vax
	50	#define BYTE_ORDER LITTLE_ENDIAN
	51	#else
	52	#define BYTE_ORDER BIG_ENDIAN /* mc68000, tahoe, most others */
	53	#endif
	54	#endif BYTE_ORDER
	55
	56	/* This much of a tpdu is the same for all types of tpdus (except
	57	* DT tpdus in class 0; their exceptions are handled by the data
	58	* structure below
	59	*/
	60	struct tpdu_fixed {
	61	unsigned _tpduf_li:8, /* length indicator */
	62	#if BYTE_ORDER == LITTLE_ENDIAN
	63	_tpduf_cdt: 4, /* credit */
	64	_tpduf_type: 4, /* type of tpdu (DT, CR, etc.) */
65	#endif
66	#if BYTE_ORDER == BIG_ENDIAN
67	_tpduf_type: 4, /* type of tpdu (DT, CR, etc.) */
68	_tpduf_cdt: 4, /* credit */
69	#endif
70	_tpduf_dref: 16; /* destination ref; not in DT in class 0 */
71	};
72
73	#define tpdu_li _tpduf._tpduf_li
74	#define tpdu_type _tpduf._tpduf_type
75	#define tpdu_cdt _tpduf._tpduf_cdt
76	#define tpdu_dref _tpduf._tpduf_dref
77
78	struct tp0du {
79	unsigned _tp0same:16, /* same as in tpdu_fixed */
80	#if BYTE_ORDER == BIG_ENDIAN
81	_tp0_eot: 1, /* eot */
82	_tp0_mbz: 7, /* must be zero */
83	#endif
84	#if BYTE_ORDER == LITTLE_ENDIAN
85	_tp0_mbz: 7, /* must be zero */
86	_tp0_eot: 1, /* eot */
87	#endif
88	_tp0_notused: 8; /* data begins on this octet */
89	};
90
91	#define tp0du_eot _tp0_eot
92	#define tp0du_mbz _tp0_mbz
93
94	/*
95	* This is used when the extended format seqence numbers are
96	* being sent and received.
97	*/
98	/*
99	* the seqeot field is an int that overlays the seq
100	* and eot fields, this allows the htonl operation
101	* to be applied to the entire 32 bit quantity, and
102	* simplifies the structure definitions.
103	*/
104	union seq_type {
105	struct {
106	#if BYTE_ORDER == BIG_ENDIAN
107	unsigned int st_eot:1, /* end-of-tsdu */
108	st_seq:31; /* 31 bit sequence number */
109	#endif
110	#if BYTE_ORDER == LITTLE_ENDIAN
111	unsigned int st_seq:31, /* 31 bit sequence number */
112	st_eot:1; /* end-of-tsdu */
113	#endif
114	} st;
115	unsigned int s_seqeot;
116	#define s_eot st.st_eot
117	#define s_seq st.st_seq
118	};
119
120	/* Then most tpdu types have a portion that is always present but
121	* differs among the tpdu types :
122	*/
123	union tpdu_fixed_rest {
124
125	struct {
126	unsigned _tpdufr_sref:16, /* source reference */
127	#if BYTE_ORDER == BIG_ENDIAN
128	_tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */
129	_tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */
130	#endif
131	#if BYTE_ORDER == LITTLE_ENDIAN
132	_tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */
133	_tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */
134	#endif
135	_tpdufr_xx: 8; /* unused */
136	} CRCC;
137
138	#define tpdu_CRli _tpduf._tpduf_li
139	#define tpdu_CRtype _tpduf._tpduf_type
140	#define tpdu_CRcdt _tpduf._tpduf_cdt
141	#define tpdu_CRdref_0 _tpduf._tpduf_dref
142	#define tpdu_CRsref _tpdufr.CRCC._tpdufr_sref
143	#define tpdu_sref _tpdufr.CRCC._tpdufr_sref
144	#define tpdu_CRclass _tpdufr.CRCC._tpdufr_class
145	#define tpdu_CRoptions _tpdufr.CRCC._tpdufr_opt
146
147	#define tpdu_CCli _tpduf._tpduf_li
148	#define tpdu_CCtype _tpduf._tpduf_type
149	#define tpdu_CCcdt _tpduf._tpduf_cdt
150	#define tpdu_CCdref _tpduf._tpduf_dref
151	#define tpdu_CCsref _tpdufr.CRCC._tpdufr_sref
152	#define tpdu_CCclass _tpdufr.CRCC._tpdufr_class
153	#define tpdu_CCoptions _tpdufr.CRCC._tpdufr_opt
154
155	/* OPTIONS and ADDL OPTIONS bits */
156	#define TPO_USE_EFC 0x1
157	#define TPO_XTD_FMT 0x2
158	#define TPAO_USE_TXPD 0x1
159	#define TPAO_NO_CSUM 0x2
160	#define TPAO_USE_RCC 0x4
161	#define TPAO_USE_NXPD 0x8
162
163	struct {
164	unsigned short _tpdufr_sref; /* source reference */
165	unsigned char _tpdufr_reason; /* [ ISO 8073 13.5.3.d ] */
166	} DR;
167	#define tpdu_DRli _tpduf._tpduf_li
168	#define tpdu_DRtype _tpduf._tpduf_type
169	#define tpdu_DRdref _tpduf._tpduf_dref
170	#define tpdu_DRsref _tpdufr.DR._tpdufr_sref
171	#define tpdu_DRreason _tpdufr.DR._tpdufr_reason
172
173	unsigned short _tpdufr_sref; /* source reference */
174
175	#define tpdu_DCli _tpduf._tpduf_li
176	#define tpdu_DCtype _tpduf._tpduf_type
177	#define tpdu_DCdref _tpduf._tpduf_dref
178	#define tpdu_DCsref _tpdufr._tpdufr_sref
179
180	struct {
181	#if BYTE_ORDER == BIG_ENDIAN
182	unsigned char _tpdufr_eot:1, /* end-of-tsdu */
183	_tpdufr_seq:7; /* 7 bit sequence number */
184	#endif
185	#if BYTE_ORDER == LITTLE_ENDIAN
186	unsigned char _tpdufr_seq:7, /* 7 bit sequence number */
187	_tpdufr_eot:1; /* end-of-tsdu */
188	#endif
189	}SEQEOT;
190	struct {
191	#if BYTE_ORDER == BIG_ENDIAN
192	unsigned int _tpdufr_Xeot:1, /* end-of-tsdu */
193	_tpdufr_Xseq:31; /* 31 bit sequence number */
194	#endif
195	#if BYTE_ORDER == LITTLE_ENDIAN
196	unsigned int _tpdufr_Xseq:31, /* 31 bit sequence number */
197	_tpdufr_Xeot:1; /* end-of-tsdu */
198	#endif
199	}SEQEOT31;
200	unsigned int _tpdufr_Xseqeot;
201	#define tpdu_seqeotX _tpdufr._tpdufr_Xseqeot
202
203	#define tpdu_DTli _tpduf._tpduf_li
204	#define tpdu_DTtype _tpduf._tpduf_type
205	#define tpdu_DTdref _tpduf._tpduf_dref
206	#define tpdu_DTseq _tpdufr.SEQEOT._tpdufr_seq
207	#define tpdu_DTeot _tpdufr.SEQEOT._tpdufr_eot
208	#define tpdu_DTseqX _tpdufr.SEQEOT31._tpdufr_Xseq
209	#define tpdu_DTeotX _tpdufr.SEQEOT31._tpdufr_Xeot
210
211	#define tpdu_XPDli _tpduf._tpduf_li
212	#define tpdu_XPDtype _tpduf._tpduf_type
213	#define tpdu_XPDdref _tpduf._tpduf_dref
214	#define tpdu_XPDseq _tpdufr.SEQEOT._tpdufr_seq
215	#define tpdu_XPDeot _tpdufr.SEQEOT._tpdufr_eot
216	#define tpdu_XPDseqX _tpdufr.SEQEOT31._tpdufr_Xseq
217	#define tpdu_XPDeotX _tpdufr.SEQEOT31._tpdufr_Xeot
218
219	struct {
220	#if BYTE_ORDER == BIG_ENDIAN
221	unsigned _tpdufr_yrseq0:1, /* always zero */
222	_tpdufr_yrseq:31; /* [ ISO 8073 13.9.3.d ] */
223	#endif
224	#if BYTE_ORDER == LITTLE_ENDIAN
225	unsigned _tpdufr_yrseq:31, /* [ ISO 8073 13.9.3.d ] */
226	_tpdufr_yrseq0:1; /* always zero */
227	#endif
228	unsigned short _tpdufr_cdt; /* [ ISO 8073 13.9.3.b ] */
229	} AK31;
230
231	#define tpdu_AKli _tpduf._tpduf_li
232	#define tpdu_AKtype _tpduf._tpduf_type
233	#define tpdu_AKdref _tpduf._tpduf_dref
234	#define tpdu_AKseq _tpdufr.SEQEOT._tpdufr_seq
235	#define tpdu_AKseqX _tpdufr.AK31._tpdufr_yrseq
236	/* location of cdt depends on size of seq. numbers */
237	#define tpdu_AKcdt _tpduf._tpduf_cdt
238	#define tpdu_AKcdtX _tpdufr.AK31._tpdufr_cdt
239
240	#define tpdu_XAKli _tpduf._tpduf_li
241	#define tpdu_XAKtype _tpduf._tpduf_type
242	#define tpdu_XAKdref _tpduf._tpduf_dref
243	#define tpdu_XAKseq _tpdufr.SEQEOT._tpdufr_seq
244	#define tpdu_XAKseqX _tpdufr.SEQEOT31._tpdufr_Xseq
245
246	unsigned char _tpdu_ERreason; /* [ ISO 8073 13.12.3.c ] */
247
248	#define tpdu_ERli _tpduf._tpduf_li
249	#define tpdu_ERtype _tpduf._tpduf_type
250	#define tpdu_ERdref _tpduf._tpduf_dref
251	#define tpdu_ERreason _tpdufr._tpdu_ERreason
252
253	};
254
255	struct tpdu {
256	struct tpdu_fixed _tpduf;
257	union tpdu_fixed_rest _tpdufr;
258	};
259
260	#endif __TP_TPDU__