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if_levar.h revision 1.2 
      1 /*	$NetBSD: if_levar.h,v 1.2 1995/07/27 04:39:08 mycroft Exp $	*/
      2 
      3 /*
      4  * LANCE Ethernet driver header file
      5  *
      6  * Copyright (c) 1994, 1995 Charles M. Hannum.  All rights reserved.
      7  *
      8  * Copyright (C) 1993, Paul Richards. This software may be used, modified,
      9  *   copied, distributed, and sold, in both source and binary form provided
     10  *   that the above copyright and these terms are retained. Under no
     11  *   circumstances is the author responsible for the proper functioning
     12  *   of this software, nor does the author assume any responsibility
     13  *   for damages incurred with its use.
     14  */
     15 
     16 /* Board types */
     17 #define	BICC		1
     18 #define	BICC_RDP	0xc
     19 #define	BICC_RAP	0xe
     20 
     21 #define	NE2100		2
     22 #define	PCnet_ISA	4
     23 #define	PCnet_PCI	5
     24 #define	NE2100_RDP	0x10
     25 #define	NE2100_RAP	0x12
     26 
     27 #define	DEPCA		3
     28 #define	DEPCA_CSR	0x0
     29 #define	DEPCA_CSR_SHE		0x80	/* Shared memory enabled */
     30 #define	DEPCA_CSR_SWAP32	0x40	/* Byte swapped */
     31 #define	DEPCA_CSR_DUM		0x08	/* rev E compatibility */
     32 #define	DEPCA_CSR_IM		0x04	/* Interrupt masked */
     33 #define	DEPCA_CSR_IEN		0x02	/* Interrupt enabled */
     34 #define	DEPCA_CSR_NORMAL \
     35 	(DEPCA_CSR_SHE | DEPCA_CSR_DUM | DEPCA_CSR_IEN)
     36 #define	DEPCA_RDP	0x4
     37 #define	DEPCA_RAP	0x6
     38 #define	DEPCA_ADP	0xc
     39 
     40 /*
     41  * Ethernet software status per interface.
     42  *
     43  * Each interface is referenced by a network interface structure,
     44  * arpcom.ac_if, which the routing code uses to locate the interface.
     45  * This structure contains the output queue for the interface, its address, ...
     46  */
     47 struct le_softc {
     48 	struct	device sc_dev;		/* base structure */
     49 	struct	arpcom sc_arpcom;	/* Ethernet common part */
     50 
     51 	void	(*sc_copytodesc)();	/* Copy to descriptor */
     52 	void	(*sc_copyfromdesc)();	/* Copy from descriptor */
     53 
     54 	void	(*sc_copytobuf)();	/* Copy to buffer */
     55 	void	(*sc_copyfrombuf)();	/* Copy from buffer */
     56 	void	(*sc_zerobuf)();	/* and Zero bytes in buffer */
     57 
     58 	u_int16_t sc_conf3;		/* CSR3 value */
     59 
     60 	void	*sc_mem;		/* base address of RAM -- CPU's view */
     61 	u_long	sc_addr;		/* base address of RAM -- LANCE's view */
     62 	u_long	sc_memsize;		/* size of RAM */
     63 
     64 	int	sc_nrbuf;		/* number of receive buffers */
     65 	int	sc_ntbuf;		/* number of transmit buffers */
     66 	int	sc_last_rd;
     67 	int	sc_first_td, sc_last_td, sc_no_td;
     68 
     69 	int	sc_initaddr;
     70 	int	sc_rmdaddr;
     71 	int	sc_tmdaddr;
     72 	int	sc_rbufaddr;
     73 	int	sc_tbufaddr;
     74 
     75 #ifdef LEDEBUG
     76 	int	sc_debug;
     77 #endif
     78 
     79 	void	*sc_ih;
     80 	int	sc_card;
     81 	int	sc_rap, sc_rdp;		/* LANCE registers */
     82 };
     83