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if_levar.h revision 1.2 
      1 /*	$NetBSD: if_levar.h,v 1.2 1996/04/18 00:50:15 cgd Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Ralph Campbell and Rick Macklem.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  *	@(#)if_lereg.h	8.1 (Berkeley) 6/10/93
     39  */
     40 
     41 /* Local Area Network Controller for Ethernet (LANCE) registers */
     42 struct lereg1 {
     43 	volatile u_int16_t	ler1_rdp;	/* data port */
     44 	int16_t	pad0;
     45 #ifdef alpha
     46 	int32_t	pad1;
     47 #endif
     48 	volatile u_int16_t	ler1_rap;	/* register select port */
     49 	int16_t	pad2;
     50 #ifdef alpha
     51 	int32_t	pad3;
     52 #endif
     53 };
     54 
     55 /*
     56  * Ethernet software status per interface.
     57  *
     58  * Each interface is referenced by a network interface structure,
     59  * arpcom.ac_if, which the routing code uses to locate the interface.
     60  * This structure contains the output queue for the interface, its address, ...
     61  */
     62 struct le_softc {
     63 	struct	device sc_dev;		/* base structure */
     64 	struct	arpcom sc_arpcom;	/* Ethernet common part */
     65 
     66 	void	(*sc_copytodesc)	/* Copy to descriptor */
     67 		    __P((struct le_softc *, void *, int, int));
     68 	void	(*sc_copyfromdesc)	/* Copy from descriptor */
     69 		    __P((struct le_softc *, void *, int, int));
     70 
     71 	void	(*sc_copytobuf)		/* Copy to buffer */
     72 		    __P((struct le_softc *, void *, int, int));
     73 	void	(*sc_copyfrombuf)	/* Copy from buffer */
     74 		    __P((struct le_softc *, void *, int, int));
     75 	void	(*sc_zerobuf)		/* and Zero bytes in buffer */
     76 		    __P((struct le_softc *, int, int));
     77 
     78 	u_int16_t sc_conf3;		/* CSR3 value */
     79 
     80 	void	*sc_mem;		/* base addr of RAM -- CPU's view */
     81 	u_long	sc_addr;		/* base addr of RAM -- LANCE's view */
     82 	u_long	sc_memsize;		/* size of RAM */
     83 
     84 	int	sc_nrbuf;		/* number of receive buffers */
     85 	int	sc_ntbuf;		/* number of transmit buffers */
     86 	int	sc_last_rd;
     87 	int	sc_first_td, sc_last_td, sc_no_td;
     88 
     89 	int	sc_initaddr;
     90 	int	sc_rmdaddr;
     91 	int	sc_tmdaddr;
     92 	int	sc_rbufaddr;
     93 	int	sc_tbufaddr;
     94 
     95 #ifdef LEDEBUG
     96 	int	sc_debug;
     97 #endif
     98 
     99 	struct	lereg1 *sc_r1;		/* LANCE registers */
    100 };
    101 
    102 int	leintr __P((void *));
    103 void	dec_le_common_attach __P((struct le_softc *, u_char *));
    104