/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* bos720 src/bos/usr/include/netiso/tp_tpdu.h 1.5 */
/* */
/* Licensed Materials - Property of IBM */
/* */
/* COPYRIGHT International Business Machines Corp. 1988,1991 */
/* All Rights Reserved */
/* */
/* US Government Users Restricted Rights - Use, duplication or */
/* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */
/* */
/* IBM_PROLOG_END_TAG */
/* @(#)66 1.5 src/bos/usr/include/netiso/tp_tpdu.h, sockinc, bos720 3/5/94 12:41:59 */
/*
*
* COMPONENT_NAME: (SOCKET) Socket services
*
* FUNCTIONS:
*
* ORIGINS: 26 27
*
* (C) COPYRIGHT International Business Machines Corp. 1988, 1989, 1991
* All Rights Reserved
* Licensed Materials - Property of IBM
*
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
*****************************************************************/
/*
* 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 $
* (#)tp_tpdu.h 7.3 (Berkeley) 8/29/89 *
*
* 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__ */