diff options
Diffstat (limited to 'sys/netiso/tp_tpdu.h')
| -rw-r--r-- | sys/netiso/tp_tpdu.h | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/sys/netiso/tp_tpdu.h b/sys/netiso/tp_tpdu.h index 463c4e2d0ba5..b3eb3eedaf20 100644 --- a/sys/netiso/tp_tpdu.h +++ b/sys/netiso/tp_tpdu.h @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * from: @(#)tp_tpdu.h 7.4 (Berkeley) 5/6/91 - * $Id: tp_tpdu.h,v 1.2 1993/10/16 21:06:09 rgrimes Exp $ + * $Id: tp_tpdu.h,v 1.3 1993/11/07 17:50:05 wollman Exp $ */ /*********************************************************** @@ -71,21 +71,7 @@ SOFTWARE. #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 +#include <machine/endian.h> /* 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 @@ -130,12 +116,12 @@ struct tp0du { * 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. - */ + /* + * 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 @@ -160,14 +146,14 @@ 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 ] */ + _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 ] */ + _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 */ + _tpdufr_xx: 8; /* unused */ } CRCC; #define tpdu_CRli _tpduf._tpduf_li @@ -215,21 +201,21 @@ union tpdu_fixed_rest { struct { #if BYTE_ORDER == BIG_ENDIAN unsigned char _tpdufr_eot:1, /* end-of-tsdu */ - _tpdufr_seq:7; /* 7 bit sequence number */ + _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 */ + _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 */ + _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 */ + _tpdufr_Xeot:1; /* end-of-tsdu */ #endif }SEQEOT31; unsigned int _tpdufr_Xseqeot; @@ -254,11 +240,11 @@ union tpdu_fixed_rest { struct { #if BYTE_ORDER == BIG_ENDIAN unsigned _tpdufr_yrseq0:1, /* always zero */ - _tpdufr_yrseq:31; /* [ ISO 8073 13.9.3.d ] */ + _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 */ + _tpdufr_yrseq0:1; /* always zero */ #endif unsigned short _tpdufr_cdt; /* [ ISO 8073 13.9.3.b ] */ } AK31; @@ -292,4 +278,4 @@ struct tpdu { union tpdu_fixed_rest _tpdufr; }; -#endif __TP_TPDU__ +#endif /* __TP_TPDU__ */ |