;
;	File:		ENETEqu.a
;
;	Contains:	Equates for the Ethernet driver
;
;	Written by:	Sean Findley (Version 1.1a1)
;
;	Copyright:	© 1990, 1992 by Apple Computer, Inc., all rights reserved.
;
;   This file is used in these builds: Mac32
;
;	Change History (most recent first):
;
;	   <SM2>	10/26/92	mal		Updated SNMP control codes.
;		 <1>	 10/6/92	GDW		New location for ROMLink tool.
;		 <2>	 3/26/92	FM		Rolled into reality
;		 <2>	  1/9/91	JK		Cleaned up to simplify N&C support.
;		 <1>	12/14/90	JK		Added to build
;
;	To Do:
;

	IF (&TYPE('MHdrSize') = 'UNDEFINED') THEN
			INCLUDE		'802Equ.a'						; IEEE equates
	ENDIF

; Control codes.

ESetGeneral EQU	253				; Set "general" mode
EGetInfo	EQU	252				; Get info
ERdCancel	EQU	251				; Cancel read
ERead		EQU	250				; Read
EWrite		EQU	249				; Write
EDetachPH	EQU	248				; Detach protocol handler
EAttachPH	EQU	247				; Attach protocol handler
EAddMulti	EQU	246				; Add a multicast address
EDelMulti	EQU	245				; Delete a multicast address
EOpenSAP	EQU 244				; Open an 802.2 SAP
ECloseSAP	EQU 243				; Close an 802.2 SAP
ELapGetLinkStatus EQU 242		; Get interface statistics, RFC 1213
EGetDot3CollStats EQU 241		; Get 802.3 collision statistics, RFC 1284
EGetDot3Statistics EQU 240		; Get 802.3 statistics, RFC 1284
ESetDot3Entry	EQU 239			; Set 802.3 status & control information
EGetDot3Entry	EQU 238			; Get 802.3 status & control information


FirstENET	EQU	EGetDot3Entry	; First ENET command
LastENET	EQU	ESetGeneral		; Last ENET command

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

EProtType	EQU	CSParam			; Offset to protocol type code
EMultiAddr	EQU	CSParam			; Multicast address (EAddMulti,EDelMulti)

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
MAddrSz		EQU	8				; Size of an ethernet multicast address (?)

; These are defined in 802Equ.a
;
ETHdrSize	EQU	MHdrSize+LHdrSize+SHdrSize

;
; Errors and misc.
;

eLenErr		EQU	ddpLenErr		; Length error
eMultiErr	EQU	ddpSktErr		; Multicast address error

EAddrRType	EQU	'eadr'			; Alternate address resource type

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