xref: /freebsd-9.3-release/sys/dev/ed/if_edvar.h

/*
 * Copyright (c) 1995, David Greenman
 * 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 unmodified, 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
 *
 * $FreeBSD: head/sys/dev/ed/if_edvar.h 50959 1999-09-05 15:21:05Z peter $
 */

/*
 * ed_softc: per line info and status
 */
struct ed_softc {
	struct arpcom arpcom;	/* ethernet common */

	char   *type_str;	/* pointer to type string */
	u_char  vendor;		/* interface vendor */
	u_char  type;		/* interface type code */
	u_char	gone;		/* HW missing, presumed having a good time */

	int	port_rid;	/* resource id for port range */
	int	port_used;	/* nonzero if ports used */
	struct resource* port_res; /* resource for port range */
	int	mem_rid;	/* resource id for memory range */
	int	mem_used;	/* nonzero if memory used */
	struct resource* mem_res; /* resource for memory range */
	int	irq_rid;	/* resource id for irq */
	struct resource* irq_res; /* resource for irq */
	void*	irq_handle;	/* handle for irq handler */

	u_short asic_addr;	/* ASIC I/O bus address */
	u_short nic_addr;	/* NIC (DS8390) I/O bus address */

/*
 * The following 'proto' variable is part of a work-around for 8013EBT asics
 *	being write-only. It's sort of a prototype/shadow of the real thing.
 */
	u_char  wd_laar_proto;
	u_char	cr_proto;
	u_char  isa16bit;	/* width of access to card 0=8 or 1=16 */
	int     is790;		/* set by the probe code if the card is 790
				 * based */

/*
 * HP PC LAN PLUS card support.
 */

	u_short	hpp_options;	/* flags controlling behaviour of the HP card */
	u_short hpp_id;		/* software revision and other fields */
	caddr_t hpp_mem_start;	/* Memory-mapped IO register address */

	caddr_t mem_start;	/* NIC memory start address */
	caddr_t mem_end;	/* NIC memory end address */
	u_long  mem_size;	/* total NIC memory size */
	caddr_t mem_ring;	/* start of RX ring-buffer (in NIC mem) */

	u_char  mem_shared;	/* NIC memory is shared with host */
	u_char  xmit_busy;	/* transmitter is busy */
	u_char  txb_cnt;	/* number of transmit buffers */
	u_char  txb_inuse;	/* number of TX buffers currently in-use */

	u_char  txb_new;	/* pointer to where new buffer will be added */
	u_char  txb_next_tx;	/* pointer to next buffer ready to xmit */
	u_short txb_len[8];	/* buffered xmit buffer lengths */
	u_char  tx_page_start;	/* first page of TX buffer area */
	u_char  rec_page_start;	/* first page of RX ring-buffer */
	u_char  rec_page_stop;	/* last page of RX ring-buffer */
	u_char  next_packet;	/* pointer to next unread RX packet */
	struct	ifmib_iso_8802_3 mibdata; /* stuff for network mgmt */
};