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elink3var.h revision 1.4 
      1 /*	$NetBSD: elink3var.h,v 1.4 1996/05/10 05:28:11 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
      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 Herb Peyerl.
     18  * 4. The name of Herb Peyerl may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Ethernet software status per interface.
     35  */
     36 struct ep_softc {
     37 	struct device sc_dev;
     38 	void *sc_ih;
     39 
     40 	struct arpcom sc_arpcom;	/* Ethernet common part		*/
     41 	bus_chipset_tag_t sc_bc;	/* bus cookie			*/
     42 	bus_io_handle_t sc_ioh;		/* bus i/o handle		*/
     43 	char    ep_connectors;		/* Connectors on this card.	*/
     44 #define MAX_MBS	8			/* # of mbufs we keep around	*/
     45 	struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
     46 	int	next_mb;		/* Which mbuf to use next. 	*/
     47 	int	last_mb;		/* Last mbuf.			*/
     48 	int	tx_start_thresh;	/* Current TX_start_thresh.	*/
     49 	int	tx_succ_ok;		/* # packets sent in sequence   */
     50 					/* w/o underrun			*/
     51 	u_char	bustype;
     52 #define EP_BUS_ISA	  	0x0
     53 #define	EP_BUS_PCMCIA	  	0x1
     54 #define	EP_BUS_EISA	  	0x2
     55 #define EP_BUS_PCI	  	0x3
     56 
     57 #define EP_IS_BUS_32(a)	((a) & 0x2)
     58 };
     59 
     60 u_int16_t epreadeeprom __P((bus_chipset_tag_t, bus_io_handle_t, int));
     61 void	epconfig __P((struct ep_softc *, u_int));
     62 int	epintr __P((void *));
     63 void	epstop __P((struct ep_softc *));
     64