xref: /openbsd/sys/dev/ic/elink3var.h (revision 07ea8d15)
1 /*	$OpenBSD: elink3var.h,v 1.7 1996/11/28 23:27:51 niklas Exp $	*/
2 /*	$NetBSD: elink3var.h,v 1.6 1996/10/21 22:34:25 thorpej Exp $	*/
3 
4 /*
5  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Herb Peyerl.
19  * 4. The name of Herb Peyerl may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Ethernet software status per interface.
36  */
37 struct ep_softc {
38 	struct device sc_dev;
39 	void *sc_ih;
40 
41 	struct arpcom sc_arpcom;	/* Ethernet common part		*/
42 	bus_space_tag_t sc_iot;		/* bus cookie			*/
43 	bus_space_handle_t sc_ioh;	/* bus i/o handle		*/
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 
52 	char    ep_connectors;		/* Connectors on this card.	*/
53 	u_char	txashift;		/* shift in SET_TX_AVAIL_THRESH */
54 	u_char	bustype;
55 #define EP_BUS_ISA	  	0x0
56 #define	EP_BUS_PCMCIA	  	0x1
57 #define	EP_BUS_EISA	  	0x2
58 #define EP_BUS_PCI	  	0x3
59 
60 #define EP_IS_BUS_32(a)	((a) & 0x2)
61 
62 	u_char	pcmcia_flags;
63 #define EP_REATTACH		0x01
64 #define EP_ABSENT		0x02
65 };
66 
67 u_int16_t epreadeeprom __P((bus_space_tag_t, bus_space_handle_t, int));
68 void	epconfig __P((struct ep_softc *, u_int16_t));
69 int	epintr __P((void *));
70 void	epstop __P((struct ep_softc *));
71