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if_levar.h revision 1.2 
      1 /*	$NetBSD: if_levar.h,v 1.2 1996/04/21 21:11:48 veego Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1982, 1990 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 /*
     37  * LANCE registers.
     38  */
     39 struct lereg1 {
     40 	u_short	ler1_rdp;	/* data port */
     41 	u_short	ler1_rap;	/* register select port */
     42 };
     43 
     44 /*
     45  * Ethernet software status per interface.
     46  *
     47  * Each interface is referenced by a network interface structure,
     48  * arpcom.ac_if, which the routing code uses to locate the interface.
     49  * This structure contains the output queue for the interface, its address, ...
     50  */
     51 struct le_softc {
     52 	struct	device sc_dev;		/* base structure */
     53 	struct	arpcom sc_arpcom;	/* Ethernet common part */
     54 
     55 	void	(*sc_copytodesc)	/* Copy to descriptor */
     56 			__P((struct le_softc *, void *, int, int));
     57 	void	(*sc_copyfromdesc)	/* Copy from descriptor */
     58 			__P((struct le_softc *, void *, int, int));
     59 	void	(*sc_copytobuf)		/* Copy to buffer */
     60 			__P((struct le_softc *, void *, int, int));
     61 	void	(*sc_copyfrombuf)	/* Copy from buffer */
     62 			__P((struct le_softc *, void *, int, int));
     63 	void	(*sc_zerobuf)		/* and Zero bytes in buffer */
     64 			__P((struct le_softc *, int, int));
     65 
     66 	u_int16_t sc_conf3;		/* CSR3 value */
     67 
     68 	void	*sc_mem;		/* base address of RAM -- CPU's view */
     69 	u_long	sc_addr;		/* base address of RAM -- LANCE's view */
     70 	u_long	sc_memsize;		/* size of RAM */
     71 
     72 	int	sc_nrbuf;		/* number of receive buffers */
     73 	int	sc_ntbuf;		/* number of transmit buffers */
     74 	int	sc_last_rd;
     75 	int	sc_first_td, sc_last_td, sc_no_td;
     76 
     77 	int	sc_initaddr;
     78 	int	sc_rmdaddr;
     79 	int	sc_tmdaddr;
     80 	int	sc_rbufaddr;
     81 	int	sc_tbufaddr;
     82 
     83 #ifdef LEDEBUG
     84 	int	sc_debug;
     85 #endif
     86 
     87 	struct	isr sc_isr;
     88 	struct	lereg1 *sc_r1;		/* LANCE registers */
     89 };
     90