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/* $OpenBSD: elink3var.h,v 1.6 1996/10/31 01:01:29 niklas Exp $ */
/* $NetBSD: elink3var.h,v 1.5 1996/05/14 22:22:06 thorpej Exp $ */
/*
* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Herb Peyerl.
* 4. The name of Herb Peyerl may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Ethernet software status per interface.
*/
struct ep_softc {
struct device sc_dev;
void *sc_ih;
struct arpcom sc_arpcom; /* Ethernet common part */
bus_chipset_tag_t sc_bc; /* bus cookie */
bus_io_handle_t sc_ioh; /* bus i/o handle */
#define MAX_MBS 8 /* # of mbufs we keep around */
struct mbuf *mb[MAX_MBS]; /* spare mbuf storage. */
int next_mb; /* Which mbuf to use next. */
int last_mb; /* Last mbuf. */
int tx_start_thresh; /* Current TX_start_thresh. */
int tx_succ_ok; /* # packets sent in sequence */
/* w/o underrun */
char ep_connectors; /* Connectors on this card. */
u_char txashift; /* shift in SET_TX_AVAIL_THRESH */
u_char bustype;
#define EP_BUS_ISA 0x0
#define EP_BUS_PCMCIA 0x1
#define EP_BUS_EISA 0x2
#define EP_BUS_PCI 0x3
#define EP_IS_BUS_32(a) ((a) & 0x2)
u_char pcmcia_flags;
#define EP_REATTACH 0x01
#define EP_ABSENT 0x02
};
u_int16_t epreadeeprom __P((bus_chipset_tag_t, bus_io_handle_t, int));
void epconfig __P((struct ep_softc *, u_int16_t));
int epintr __P((void *));
void epstop __P((struct ep_softc *));
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