;
;	File:		ENetEqu.a
;
;	Contains:	xxx put contents here xxx
;
;	Written by:	xxx put writers here xxx
;
;	Copyright:	© 1991 by Apple Computer, Inc., all rights reserved.
;
;	Change History (most recent first):
;
;		 <3>	 8/15/91	MH		Add conditional assembly wrapper
;		 <2>	 1/30/91	gbm		sab, #38: Change the ‘already including this file’ variable to
;									all uppercase (for security reasons)
;
;	To Do:
;

;
; File: ENETEqu.a - equates for the Ethernet driver
;
; Version 1.1a1
;
; Copyright 1987 Apple Computer, Inc. All Rights Reserved
;

; Control codes.

 IF &TYPE('__INCLUDINGENETEQU__') = 'UNDEFINED' THEN
__INCLUDINGENETEQU__   SET 1


ENetSetGeneral 	EQU		253				; Set "general" mode
ENetGetInfo		EQU		252				; Get info
ENetRdCancel	EQU		251				; Cancel read
ENetRead		EQU		250				; Read
ENetWrite		EQU		249				; Write
ENetDetachPH	EQU		248				; Detach protocol handler
ENetAttachPH	EQU		247				; Attach protocol handler
ENetAddMulti	EQU		246				; Add a multicast address
ENetDelMulti	EQU		245				; Delete a multicast address

FirstENET		EQU		ENetDelMulti	; First ENET command
LastENET		EQU		ENetSetGeneral	; Last ENET command

; ENET queue element standard structure:  arguments passed in the CSParam area

EProtType	EQU	$1C				; Offset to protocol type code  {csParam}
EMultiAddr	EQU	$1C				; Multicast address (EAddMulti,EDelMulti) {csParam}

EHandler	EQU	EProtType+2		; Offset to protocol handler
EWDSPointer	EQU	EHandler		; WDS pointer (EWrite)
EBuffPtr	EQU	EHandler		; Buffer pointer (ERead,EGetInfo)
EKillQEl	EQU	EHandler		; QEl pointer (ERdCancel)

EBuffSize	EQU	EBuffPtr+4		; Buffer size (ERead,EGetInfo)
EDataSize	EQU	EBuffSize+2		; Actual data size (Eread)


;---------------------------------------
; Ethernet packet header
;---------------------------------------

EDestAddr	EQU	0				; Offset to destination address
ESrcAddr	EQU	6				; Offset to source address
EType		EQU	12				; Offset to data link type
EHdrSize	EQU	14				; Ethernet header size

EMinDataSz	EQU	46				; Minimum data size
EMaxDataSz	EQU	1500			; Maximum data size
EAddrSz		EQU	6				; Size of an ethernet node address


;
; Errors and misc.
;

eLenErr		EQU	-92				; Length error ddpLenErr
eMultiErr	EQU	-91				; Multicast address error ddpSktErr

EAddrRType	EQU	'eadr'			; Alternate address resource type

;
; Link specific 'atlk' AGetInfo call
;
ESpeed		EQU	10000000		; Link speed in bits/sec

               ENDIF	;  ...already included