Add Intel EtherExpress16 support into the ie driver, removing the need

for the ix driver.

Add a shutdown hook that resets the etherexpress so that Windoze can find
the card after a warm boot.

Submitted by: Aaron Smith <aaron@tau.veritas.com>
Obtained From: NetBSD

1 files changed, 0 insertions, 1634 deletions

diff --git a/sys/i386/isa/if_ix.c b/sys/i386/isa/if_ix.c
deleted file mode 100644
index 998f690..0000000
--- a/sys/i386/isa/if_ix.c
+++ /dev/null
@@ -1,1634 +0,0 @@
-/*
- * Copyright (c) 1993, 1994, 1995
- *	Rodney W. Grimes, Milwaukie, Oregon  97222.  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 as
- *    the first lines of this file unmodified.
- * 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 Rodney W. Grimes.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``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 RODNEY W. GRIMES 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.
- *
- *	$Id: if_ix.c,v 1.25 1997/02/22 09:36:31 peter Exp $
- */
-
-#include "ix.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/sockio.h>
-#include <sys/errno.h>
-#include <sys/syslog.h>
-
-#include <machine/clock.h>
-#include <machine/md_var.h>
-
-#include <net/if.h>
-#include <net/if_types.h>
-#include <net/if_dl.h>
-
-#ifdef INET
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/in_var.h>
-#include <netinet/ip.h>
-#include <netinet/if_ether.h>
-#endif /* INET */
-
-#ifdef IPX /*ZZZ no work done on this, this is just here to remind me*/
-#include <netipx/ipx.h>
-#include <netipx/ipx_if.h>
-#endif /* IPX */
-
-#ifdef NS /*ZZZ no work done on this, this is just here to remind me*/
-#include <netns/ns.h>
-#include <netns/ns_if.h>
-#endif /* NS */
-
-#ifdef ISO /*ZZZ no work done on this, this is just here to remind me*/
-#include <netiso/iso.h>
-#include <netiso/iso_var.h>
-extern char all_es_snpa[], all_is_snpa[], all_l1is_snpa[], all_l2is_snpa[];
-#endif /* ISO */
-
-/*ZZZ no work done on this, this is just here to remind me*/
-#include "bpfilter.h"
-#if NBPFILTER > 0
-#include <net/bpf.h>
-#include <net/bpfdesc.h>
-#endif /* NBPFILTER > 0 */
-
-#include <i386/isa/isa_device.h>
-#include <i386/isa/icu.h>
-#include <i386/isa/if_ixreg.h>
-
-static ix_softc_t	ix_softc[NIX];
-
-#define	DEBUGNONE	0x0000
-#define	DEBUGPROBE	0x0001
-#define	DEBUGATTACH	(DEBUGPROBE << 1)
-#define DEBUGINIT	(DEBUGATTACH << 1)
-#define	DEBUGINIT_RFA	(DEBUGINIT << 1)
-#define	DEBUGINIT_TFA	(DEBUGINIT_RFA << 1)
-#define DEBUGINTR	(DEBUGINIT_TFA << 1)
-#define	DEBUGINTR_FR	(DEBUGINTR << 1)
-#define	DEBUGINTR_CX	(DEBUGINTR_FR << 1)
-#define DEBUGSTART	(DEBUGINTR_CX << 1)
-#define	DEBUGSTOP	(DEBUGSTART << 1)
-#define	DEBUGRESET	(DEBUGSTOP << 1)
-#define DEBUGDONE	(DEBUGRESET << 1)
-#define	DEBUGIOCTL	(DEBUGDONE << 1)
-#define	DEBUGACK	(DEBUGIOCTL << 1)
-#define	DEBUGCA		(DEBUGACK << 1)
-#define	DEBUGCB_WAIT	(DEBUGCA << 1)
-#define DEBUGALL	0xFFFFFFFF
-
-/*
-#define IXDEBUG	(DEBUGPROBE | DEBUGINIT | DEBUGSTOP | DEBUGCB_WAIT)
-*/
-
-#ifdef IXDEBUG
-int	ixdebug=IXDEBUG;
-#define	DEBUGBEGIN(flag) \
-	{\
-	if (ixdebug & flag)\
-		{
-#define	DEBUGEND \
-		}\
-	}
-#define DEBUGDO(x)	x
-
-#else /* IXDEBUG */
-
-#define DEBUGBEGIN(flag)
-#define DEBUGEND
-#define	DEBUGDO(x)
-#endif /* IXDEBUG */
-
-/*
- * Enable the exteneded ixcounters by using #define IXCOUNTERS, note that
- * this requires a modification to the ifnet structure to add the counters
- * in.  Some day a standard extended ifnet structure will be done so that
- * additional statistics can be gathered for any board that supports these
- * counters.
- */
-#ifdef IXCOUNTERS
-#define IXCOUNTER(x)	x
-#else /* IXCOUNTERS */
-#define IXCOUNTER(x)
-#endif /* IXCOUNTERS */
-
-/*
- * Function Prototypes
- */
-static inline void ixinterrupt_enable(int);
-static inline void ixinterrupt_disable(int);
-static inline void ixchannel_attention(int);
-static u_short ixacknowledge(int);
-static int ix_cb_wait(cb_t *, char *);
-static int ix_scb_wait(scb_t *, u_short, char *);
-static int ixprobe(struct isa_device *);
-static int ixattach(struct isa_device *);
-static void ixinit(int);
-static void ixinit_rfa(int);
-static void ixinit_tfa(int);
-static inline void ixintr_cx(int);
-static inline void ixintr_cx_free(int, cb_t *);
-static inline void ixintr_fr(int);
-static inline void ixintr_fr_copy(int, rfd_t *);
-static inline void ixintr_fr_free(int, rfd_t *);
-static void ixstart(struct ifnet *);
-static int ixstop(struct ifnet *);
-static int ixdone(struct ifnet *);
-static int ixioctl(struct ifnet *, int, caddr_t);
-static void ixreset(int);
-static void ixwatchdog(struct ifnet *);
-static u_short ixeeprom_read(int, int);
-static void ixeeprom_outbits(int, int, int);
-static int ixeeprom_inbits(int);
-static void ixeeprom_clock(int, int);
-/*
-RRR */
-
-struct	isa_driver ixdriver = {ixprobe, ixattach, "ix"};
-
-/*
- * Enable the interrupt signal on the board so that it may interrupt
- * the host.
- */
-static inline void
-ixinterrupt_enable(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-
-	outb(sc->iobase + sel_irq, sc->irq_encoded | IRQ_ENABLE);
-}
-
-/*
- * Disable the interrupt signal on the board so that it will not interrupt
- * the host.
- */
-static inline void
-ixinterrupt_disable(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-
-	outb(sc->iobase + sel_irq, sc->irq_encoded);
-}
-
-/*
- * Send a channel attention to the 82586 chip
- */
-static inline void
-ixchannel_attention(int unit) {
-	DEBUGBEGIN(DEBUGCA)
-	DEBUGDO(printf("ca");)
-	DEBUGEND
-	outb(ix_softc[unit].iobase + ca_ctrl, 0);
-}
-
-u_short
-ixacknowledge(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	scb_t		*scb = (scb_t *)(sc->maddr + SCB_ADDR);
-	u_short		status;
-	int		i;
-
-	DEBUGBEGIN(DEBUGACK)
-	DEBUGDO(printf("ack:");)
-	DEBUGEND
-	status = scb->status;
-	scb->command = status & SCB_ACK_MASK;
-	if ((status & SCB_ACK_MASK) != 0) {
-		ixchannel_attention(unit);
-		for (i = 1000000; scb->command && (i > 0); i--); /*ZZZ timeout*/
-		if (i == 0) {
-			printf(".TO=%x:", scb->command);
-			printf("\nshutting down\n");
-			ixinterrupt_disable(unit);
-			sc->flags = IXF_NONE;
-			status = 0;
-		} else {
-			DEBUGBEGIN(DEBUGACK)
-			DEBUGDO(printf(".ok:");)
-			DEBUGEND
-		}
-	 } else {
-		/* nothing to acknowledge */
-		DEBUGBEGIN(DEBUGACK)
-		DEBUGDO(printf("NONE:");)
-		DEBUGEND
-	}
-	DEBUGBEGIN(DEBUGACK)
-	DEBUGDO(printf("%x ", status);)
-	DEBUGEND
-	return(status);
-}
-
-int
-ix_cb_wait(cb_t *cb, char *message) {
-	int		i;
-	int		status;
-
-	for (i=1000000; i>0; i--) {
-		if (cb->status & CB_COMPLETE) break; /* Wait for done */
-	}
-	if (i == 0) {
-		printf("%s timeout cb->status = %x\n", message, cb->status);
-		status = 1;
-	} else {
-		DEBUGBEGIN(DEBUGCB_WAIT)
-		DEBUGDO(printf("%s cb ok count = %d\n", message, i);)
-		DEBUGEND
-		status = 0;
-	}
-	return (status);
-}
-
-int
-ix_scb_wait(scb_t *scb, u_short expect, char *message) {
-	int		i;
-	int		status;
-
-	for (i=1000000; i>0; i--) {
-		if (scb->status == expect) break; /* Wait for done */
-	}
-	if (i == 0) {
-		printf("%s timeout scb->status = %x\n", message, scb->status);
-		status = 1;
-	} else {
-		DEBUGBEGIN(DEBUGINIT)
-		DEBUGDO(printf("%s scb ok count = %d\n", message, i);)
-		DEBUGEND
-		status = 0;
-	}
-	return (status);
-}
-
-int
-ixprobe(struct isa_device *dvp) {
-	int	unit = dvp->id_unit;
-	ix_softc_t	*sc = &ix_softc[unit];
-	char	tempid, idstate;
-	int	i;
-	int	status = 0;
-	u_short	boardid,
-		checksum,
-		connector,
-		eaddrtemp,
-		irq;
-	/* ZZZ irq_translate should really be unsigned, but until
-	 * isa_device.h and all uses are fixed we have to live with it */
-	short	irq_translate[] = {0, IRQ9, IRQ3, IRQ4, IRQ5, IRQ10, IRQ11, 0};
-	char	irq_encode[] = { 0, 0, 0, 2, 3, 4, 0, 0, 0, 1, 5, 6, 0, 0, 0, 0 };
-
-	DEBUGBEGIN(DEBUGPROBE)
-	DEBUGDO(printf ("ixprobe:");)
-	DEBUGEND
-
-	/*
-	 * Since Intel gives us such a nice way to ID this board lets
-	 * see if we really have one at this I/O address
-	 */
-	idstate = inb(dvp->id_iobase + autoid) & 0x03;
-	for (i=0, boardid=0; i < 4; i++) {
-		tempid = inb(dvp->id_iobase + autoid);
-		boardid |= ((tempid & 0xF0) >> 4) << ((tempid & 0x03) << 2);
-		if ((tempid & 0x03) != (++idstate & 0x03)) {
-			/* out of sequence, destroy boardid and bail out */
-			boardid = 0;
-			break;
-		}
-	}
-	DEBUGBEGIN(DEBUGPROBE)
-	DEBUGDO(printf("boardid = %x\n", boardid);)
-	DEBUGEND
-	if (boardid != BOARDID) {
-		goto ixprobe_exit;
-	}
-
-	/*
-	 * We now know that we have a board, so save the I/O base
-	 * address in the softc and use the softc from here on out
-	 */
-	sc->iobase = dvp->id_iobase;
-
-	/*
-	 * Reset the Bart ASIC by pulsing the reset bit and waiting
-	 * the required 240 uSecounds.  Also place the 82856 in the reset
-	 * mode so that we can access the EEPROM
-	 */
-	outb(sc->iobase + ee_ctrl, GA_RESET);
-	outb(sc->iobase + ee_ctrl, 0);
-	DELAY(240);
-	outb(sc->iobase + ee_ctrl, I586_RESET);
-
-	/*
-	 * Checksum the EEPROM, should be equal to BOARDID
-	 */
-	for (i=0, checksum=0; i<64; i++) {
-		checksum += ixeeprom_read(unit, i);
-	}
-	DEBUGBEGIN(DEBUGPROBE)
-	DEBUGDO(printf ("checksum = %x\n", checksum);)
-	DEBUGEND
-	if (checksum != BOARDID) {
-		goto ixprobe_exit;
-	}
-
-	/*
-	 * Do the I/O channel ready test
-	 */
-	{
-	u_char		lock_bit;
-
-	lock_bit = ixeeprom_read(unit, eeprom_lock_address);
-	if (lock_bit & EEPROM_LOCKED) {
-		DEBUGBEGIN(DEBUGPROBE)
-		DEBUGDO(printf ("lockbit set, no doing io channel ready test\n");)
-		DEBUGEND
-	} else {
-		u_char	bart_config,
-			junk;
-
-		bart_config = inb(sc->iobase + config);
-		bart_config |= BART_IOCHRDY_LATE | BART_IO_TEST_EN;
-		outb(sc->iobase + config, bart_config);
-		junk = inb(sc->iobase + 0x4000);	 /*XXX read junk */
-		bart_config = inb(sc->iobase + config);
-		outb(sc->iobase + config, bart_config & ~(BART_IO_TEST_EN));
-		if (bart_config & BART_IO_RESULT) {
-			printf ("iochannel ready test failed!!\n");
-		} else {
-			DEBUGBEGIN(DEBUGPROBE)
-			DEBUGDO(printf ("iochannel ready test passed\n");)
-			DEBUGEND
-		}
-	}
-	}
-
-	/*
-	 * Size and test the memory on the board.  The size of the memory
-	 * can be one of 16k, 32k, 48k or 64k.  It can be located in the
-	 * address range 0xC0000 to 0xEFFFF on 16k boundaries.  Although
-	 * the board can be configured for 0xEC0000 to 0xEEFFFF,
-	 * or 0xFC0000 to 0xFFFFFF these ranges are not supported by 386bsd.
-	 *
-	 * If the size does not match the passed in memory allocation size
-	 * issue a warning, but continue with the minimum of the two sizes.
-	 */
-	{
-	u_short	memory_page;
-	u_short	memory_adjust;
-	u_short	memory_decode;
-	u_short	memory_edecode;
-
-	switch (dvp->id_msize) {
-		case 65536:
-		case 32768: /* XXX Only support 32k and 64k right now */
-			{ break; }
-		case 16384:
-		case 49512:
-		default: {
-			printf("ixprobe mapped memory size out of range\n");
-			goto ixprobe_exit;
-		}
-	}
-
-	if ((kvtop(dvp->id_maddr) < 0xC0000) ||
-	    (kvtop(dvp->id_maddr) + dvp->id_msize > 0xF0000)) {
-		printf("ixprobe mapped memory address out of range\n");
-		goto ixprobe_exit;
-	}
-
-	memory_page = (kvtop(dvp->id_maddr) & 0x3C000) >> 14;
-	memory_adjust = MEMCTRL_FMCS16 | (memory_page & 0x3) << 2;
-	memory_decode = ((1 << (dvp->id_msize / 16384)) - 1) << memory_page;
-	memory_edecode = ((~memory_decode >> 4) & 0xF0) | (memory_decode >> 8);
-
-	/* ZZZ This should be checked against eeprom location 6, low byte */
-	outb(sc->iobase + memdec, memory_decode & 0xFF);
-	/* ZZZ This should be checked against eeprom location 1, low byte */
-	outb(sc->iobase + memctrl, memory_adjust);
-	/* ZZZ Now if I could find this one I would have it made */
-	outb(sc->iobase + mempc, (~memory_decode & 0xFF));
-	/* ZZZ I think this is location 6, high byte */
-	outb(sc->iobase + memectrl, memory_edecode); /*XXX disable Exxx */
-
-	sc->maddr = dvp->id_maddr;
-	sc->msize = dvp->id_msize;
-
-	DEBUGBEGIN(DEBUGPROBE)
-	DEBUGDO(printf("Physical address = %lx\n", kvtop(sc->maddr));)
-	DEBUGEND
-	}
-
-	/*
-	 * first prime the stupid bart DRAM controller so that it
-	 * works, then zero out all or memory.
-	 */
-	bzero(sc->maddr, 32);
-	bzero(sc->maddr, sc->msize);
-
-	/*
-	 * Get the type of connector used, either AUI, BNC or TPE.
-	 */
-	connector = ixeeprom_read(unit, eeprom_config1);
-	if (connector & CONNECT_BNCTPE) {
-		connector = ixeeprom_read(unit, eeprom_config2);
-		if (connector & CONNECT_TPE) {
-			sc->connector = TPE;
-			DEBUGBEGIN(DEBUGPROBE)
-			DEBUGDO(printf ("Using TPE connector\n");)
-			DEBUGEND
-		} else {
-			sc->connector = BNC;
-			DEBUGBEGIN(DEBUGPROBE)
-			DEBUGDO(printf ("Using BNC connector\n");)
-			DEBUGEND
-		}
-	} else {
-		sc->connector = AUI;
-		DEBUGBEGIN(DEBUGPROBE)
-		DEBUGDO(printf ("Using AUI connector\n");)
-		DEBUGEND
-	}
-
-	/*
-	 * Get the encoded interrupt number from the EEPROM, check it
-	 * against the passed in IRQ.  Issue a warning if they do not
-	 * match.  Always use the passed in IRQ, not the one in the EEPROM.
-	 */
-	irq = ixeeprom_read(unit, eeprom_config1);
-	irq = (irq & IRQ) >> IRQ_SHIFT;
-	irq = irq_translate[irq];
-	if (dvp->id_irq > 0) {
-		if (irq != dvp->id_irq) {
-			printf("ix%d: WARNING: board is configured for IRQ %d, using %d\n",
-				unit, ffs(irq) - 1, ffs(dvp->id_irq) - 1);
-			irq = dvp->id_irq;
-		}
-	} else {
-		dvp->id_irq = irq;
-	}
-	sc->irq_encoded = irq_encode[ffs(irq) - 1];
-	if (sc->irq_encoded == 0) {
-		printf("ix%d: invalid irq (%d)\n", unit, ffs(irq) - 1);
-		goto ixprobe_exit;
-	}
-
-	/*
-	 * Get the slot width, either 8 bit or 16 bit.
-	 */
-	if (inb(sc->iobase + config) & SLOT_WIDTH) {
-		sc->width = WIDTH_16;
-		DEBUGBEGIN(DEBUGPROBE)
-		DEBUGDO(printf("Using 16-bit slot\n");)
-		DEBUGEND
-	} else {
-		sc->width = WIDTH_8;
-		DEBUGBEGIN(DEBUGPROBE)
-		DEBUGDO(printf("Using 8-bit slot\n");)
-		DEBUGEND
-	}
-
-	/*
-	 * Get the hardware ethernet address from the EEPROM and
-	 * save it in the softc for use by the 586 setup code.
-	 */
-	eaddrtemp = ixeeprom_read(unit, eeprom_enetaddr_high);
-	sc->arpcom.ac_enaddr[1] = eaddrtemp & 0xFF;
-	sc->arpcom.ac_enaddr[0] = eaddrtemp >> 8;
-	eaddrtemp = ixeeprom_read(unit, eeprom_enetaddr_mid);
-	sc->arpcom.ac_enaddr[3] = eaddrtemp & 0xFF;
-	sc->arpcom.ac_enaddr[2] = eaddrtemp >> 8;
-	eaddrtemp = ixeeprom_read(unit, eeprom_enetaddr_low);
-	sc->arpcom.ac_enaddr[5] = eaddrtemp & 0xFF;
-	sc->arpcom.ac_enaddr[4] = eaddrtemp >> 8;
-
-	sc->flags = IXF_NONE;	/* make sure the flag word is NONE */
-	status = IX_IO_PORTS;
-
-ixprobe_exit:
-	DEBUGBEGIN(DEBUGPROBE)
-	DEBUGDO(printf ("ixprobe exited\n");)
-	DEBUGEND
-	return(status);
-}
-
-int
-ixattach(struct isa_device *dvp) {
-	int 			unit = dvp->id_unit;
-	ix_softc_t		*sc = &ix_softc[unit];
-	struct ifnet		*ifp = &sc->arpcom.ac_if;
-
-	DEBUGBEGIN(DEBUGATTACH)
-	DEBUGDO(printf("ixattach:");)
-	DEBUGEND
-
-	/*
-	 * Fill in the interface parameters for if_attach
-	 * Note:  We could save some code here by first using a
-	 *        bzero(ifp, sizeof(ifp)); and then not doing all
-	 *        the = 0;'s
-	 *        Infact we should bzero this just to make sure
-	 *        that something does not get missed.
-	 * Further note by GW:
-	 * 	Actually, it's a complete waste of time to zero any of
-	 *	this stuff because the C language guarantees that it's
-	 *	already zeroed.  If this code is changed to do dynamic
-	 *	allocation, this will have to get revisited.
-	 */
-	bzero(ifp, sizeof(ifp));
-	ifp->if_softc = sc;
-	ifp->if_name = ixdriver.name;
-	ifp->if_unit = unit;
-	ifp->if_mtu = ETHERMTU;
-	ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST;
-	ifp->if_output = ether_output;
-	ifp->if_start = ixstart;
-	ifp->if_done = ixdone;
-	ifp->if_ioctl = ixioctl;
-	ifp->if_watchdog = ixwatchdog;
-	ifp->if_type = IFT_ETHER;
-	ifp->if_addrlen = ETHER_ADDR_LEN;
-	ifp->if_hdrlen = ETHER_HDR_LEN;
-#ifdef IXCOUNTERS
-	 /*
-	  * ZZZ more counters added, but bzero gets them
-	  */
-#endif /* IXCOUNTERS */
-
-	if_attach(ifp);
-	ether_ifattach(ifp);
-
-	printf("ix%d: address %6D\n", unit, sc->arpcom.ac_enaddr, ":");
-	return(0);
-}
-
-void
-ixinit(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	struct		ifnet *ifp = &sc->arpcom.ac_if;
-	scp_t		*scp = (scp_t *)(sc->maddr + SCP_ADDR);
-	iscp_t		*iscp = (iscp_t *)(sc->maddr + ISCP_ADDR);
-	scb_t		*scb = (scb_t *)(sc->maddr + SCB_ADDR);
-	cb_t		*cb;
-	tbd_t		*tbd;
-	int		i;
-	u_char		bart_config;	/* bart config byte */
-	int		status = 0;
-
-	DEBUGBEGIN(DEBUGINIT)
-	DEBUGDO(printf("ixinit:");)
-	DEBUGEND
-
-	/* Put bart into loopback until we are done intializing to
-	 * make sure that packets don't hit the wire */
-	bart_config = inb(sc->iobase + config);
-	bart_config |= BART_LOOPBACK;
-	bart_config |= BART_MCS16_TEST;	/* inb does not get this bit! */
-	outb(sc->iobase + config, bart_config);
-	bart_config = inb(sc->iobase + config);
-
-	scp->unused1 = 0;		/* Intel says to put zeros in it */
-	scp->sysbus = sc->width;	/* ZZZ need to fix for 596 */
-	scp->unused2 = 0;		/* Intel says to put zeros in it */
-	scp->unused3 = 0;		/* Intel says to put zeros in it */
-	scp->iscp = ISCP_ADDR;
-
-	iscp->busy = ISCP_BUSY;
-	iscp->scb_offset = SCB_ADDR;
-	iscp->scb_base = TFA_START;
-
-	scb->status = SCB_STAT_NULL;
-	scb->command = SCB_RESET;
-	scb->cbl_offset = TFA_START;
-	scb->rfa_offset = RFA_START;
-	scb->crc_errors = 0;
-	scb->aln_errors = 0;
-	scb->rsc_errors = 0;
-	scb->ovr_errors = 0;
-
-	ixinit_tfa(unit);
-	ixinit_rfa(unit);
-	cb = sc->cb_head;
-	tbd = sc->tbd_head;
-
-	/*
-	 * remove the reset signal and start the 586 up, the 586 well read
-         * the SCP, ISCP and the reset CB.  This should put it into a
-	 * known state: RESET!
-	 */
-	outb(sc->iobase + ee_ctrl, EENORMAL);
-	ixchannel_attention(unit);
-
-	for (i=100000; iscp->busy && (i>0); i--);	/* Wait for done */
-	if (i == 0) {
-		printf("iscp->busy time out\n");
-		status = 1;
-	} else {
-		DEBUGBEGIN(DEBUGINIT)
-		DEBUGDO(printf ("iscp->busy did not timeout = %d\n", i);)
-		DEBUGEND
-	}
-
-	status |= ix_scb_wait(scb, (u_short)(SCB_STAT_CX | SCB_STAT_CNA),
-	                      "Reset");
-	ixacknowledge(unit);
-
-/* XXX this belongs some place else, run diagnostics on the 586 */
-	{
-	cb_diagnose_t	*cb_diag = (cb_diagnose_t *)(cb);
-
-	cb_diag->common.status = 0;
-	cb_diag->common.command = CB_CMD_EL | CB_CMD_DIAGNOSE;
-	scb->command = SCB_CUC_START;
-	ixchannel_attention(unit);
-	status |= ix_cb_wait((cb_t *)cb_diag, "Diagnose");
-	status |= ix_scb_wait(scb, (u_short)SCB_STAT_CNA, "Diagnose");
-	ixacknowledge(unit);
-	}
-/* XXX end this belongs some place else, run diagnostics on the 586 */
-
-/* XXX this belongs some place else, run configure on the 586 */
-	{
-	cb_configure_t	*cb_conf = (cb_configure_t *)(cb);
-
-	cb_conf->common.status = 0;
-	cb_conf->common.command = CB_CMD_EL | CB_CMD_CONF;
-	cb_conf->byte[0] = 12;		/* 12 byte configure block */
-	cb_conf->byte[1] = 8;		/* fifo limit at 8 bytes */
-	cb_conf->byte[2] = 0x40;	/* don't save bad frames,
-					   srdy/ardy is srdy */
-	cb_conf->byte[3] = 0x2E;	/* address length is 6 bytes,
-					   address and length are in tb,
-					   preamble length is 8 bytes,
-					   internal loopback off,
-					   external loopback off */
-	cb_conf->byte[4] = 0;		/* linear priority is 0,
-					   ACR (Exponential priorty) is 0,
-					   exponential backoff is 802.3 */
-	cb_conf->byte[5] = 96;		/* interframe spacing in TxC clocks */
-	cb_conf->byte[6] = 0;		/* lower 8 bits of slot time */
-	cb_conf->byte[7] = 0xf2;	/* upper slot time (512 bits),
-					   15 transmision retries */
-	cb_conf->byte[8] = 0;		/* promiscuous mode off,
-					   broadcast enabled,
-					   nrz encodeing,
-					   cease transmission if ^CRS,
-					   insert crc,
-					   end of carrier mode bit stuffing,
-					   no padding */
-	cb_conf->byte[9] = 0;		/* carrier sense filter = 0 bits,
-					   carrier sense source external,
-					   collision detect filter = 0 bits,
-					   collision detect source external */
-	cb_conf->byte[10] = 60;		/* minimum number of bytes is a frame */
-	cb_conf->byte[11] = 0;		/* unused */
-
-	scb->command = SCB_CUC_START;
-	ixchannel_attention(unit);
-	status |= ix_cb_wait((cb_t *)cb_conf, "Configure");
-	status |= ix_scb_wait(scb, (u_short)SCB_STAT_CNA, "Configure");
-	ixacknowledge(unit);
-	}
-/* XXX end this belongs some place else, run configure on the 586 */
-
-/* XXX this belongs some place else, run ias on the 586 */
-	{
-	cb_ias_t	*cb_ias = (cb_ias_t *)(cb);
-
-	cb_ias->common.status = 0;
-	cb_ias->common.command = CB_CMD_EL | CB_CMD_IAS;
-	bcopy(sc->arpcom.ac_enaddr, cb_ias->source, ETHER_ADDR_LEN);
-	scb->command = SCB_CUC_START;
-	ixchannel_attention(unit);
-	status |= ix_cb_wait((cb_t *)cb_ias, "IAS");
-	status |= ix_scb_wait(scb, (u_short)SCB_STAT_CNA, "IAS");
-	ixacknowledge(unit);
-	}
-/* XXX end this belongs some place else, run ias on the 586 */
-
-	if (status == 0) {
-		/* Take bart out of loopback as we are done intializing */
-		bart_config = inb(sc->iobase + config);
-		bart_config &= ~BART_LOOPBACK;
-		bart_config |= BART_MCS16_TEST; /* inb does not get this bit! */
-		outb(sc->iobase + config, bart_config);
-
-		/* The above code screwed with the tfa, reinit it! */
-		ixinit_tfa(unit);
-		scb->command = SCB_RUC_START;	/* start up the receive unit */
-		ixchannel_attention(unit);
-		sc->flags |= IXF_INITED;	/* we have been initialized */
-		ifp->if_flags |= IFF_RUNNING;
-		ifp->if_flags &= ~IFF_OACTIVE;
-		ixinterrupt_enable(unit);	/* Let err fly!!! */
-	}
-
-	DEBUGBEGIN(DEBUGINIT)
-	DEBUGDO(printf("ixinit exited\n");)
-	DEBUGEND
-	return;
-}
-
-/*
- * ixinit_rfa(int unit)
- *
- *	This routine initializes the Receive Frame Area for the 82586
- *
- * input	the unit number to build the RFA for
- * access	the softc for memory address
- * output	an initialized RFA, ready for packet receiption
- *		the following queue pointers in the softc structure are
- *		also initialize
- *		sc->rfd_head		sc->rfd_tail
- *		sc->rbd_head		sc->rbd_tail
- * defines	RFA_START	the starting offset of the RFA
- *		RFA_SIZE	size of the RFA area
- *		RB_SIZE		size of the receive buffer, this must
- *				be even and should be greater than the
- *				minumum packet size and less than the
- *				maximum packet size
- */
-
-void
-ixinit_rfa(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	rfd_t		*rfd;
-	rbd_t		*rbd;
-	caddr_t		rb;
-	int		i,
-			complete_frame_size,
-			how_many_frames;
-
-	DEBUGBEGIN(DEBUGINIT_RFA)
-	DEBUGDO(printf("\nix%d: ixinit_rfa\n", unit);)
-	DEBUGEND
-
-	complete_frame_size = sizeof(rfd_t) + sizeof(rbd_t) + RB_SIZE;
-	how_many_frames = RFA_SIZE / complete_frame_size;
-
-	/* build the list of rfd's, rbd's and rb's */
-	rfd = (rfd_t *)(sc->maddr + RFA_START);
-	rbd = (rbd_t *)(sc->maddr +
-	                RFA_START +
-                        (how_many_frames * sizeof(rfd_t)));
-	rb = sc->maddr + RFA_START +
-	     (how_many_frames * (sizeof(rfd_t) + sizeof(rbd_t)));
-	sc->rfd_head = rfd;
-	sc->rbd_head = rbd;
-	for (i = 0; i < how_many_frames; i++, rfd++, rbd++, rb += RB_SIZE) {
-		rfd->status = 0;
-		rfd->command = 0;
-		rfd->next = KVTOBOARD(rfd) + sizeof(rfd_t);
-		rfd->rbd_offset = INTEL586NULL;
-		/* ZZZ could bzero this, but just leave a note for now */
-		/* ZZZ bzero(rfd->destination); */
-		/* ZZZ bzero(rfd->source); */
-		rfd->length = 0;
-
-		rbd->act_count = 0;
-		rbd->next = KVTOBOARD(rbd) + sizeof(rbd_t);
-		rbd->buffer = KVTOBOARD(rb);
-		rbd->size = RB_SIZE;
-
-		/*
-		 * handle the boundary conditions here.  for the zeroth
-		 * rfd we must set the rbd_offset to point at the zeroth
-		 * rbd.  for the last rfd and rbd we need to close the
-		 * list into a ring and set the end of list bits.
-		 */
-
-		if (i == 0) {
-			rfd->rbd_offset = KVTOBOARD(rbd);
-		}
-		if (i == how_many_frames - 1) {
-			rfd->command = RFD_CMD_EL | RFD_CMD_SUSP;
-			rfd->next = KVTOBOARD(sc->rfd_head);
-
-			rbd->next = KVTOBOARD(sc->rbd_head);
-			rbd->size = RBD_SIZE_EL | RB_SIZE;
-		}
-
-	}
-	sc->rfd_tail = (--rfd);
-	sc->rbd_tail = (--rbd);
-
-#ifdef IXDEBUG
-	DEBUGBEGIN(DEBUGINIT_RFA)
-		rfd = (rfd_t *)(sc->maddr + RFA_START);
-		rbd = (rbd_t *)(sc->maddr +
-		               RFA_START +
-		               (how_many_frames * sizeof(rfd_t)));
-		rb = sc->maddr + RFA_START +
-		     (how_many_frames * (sizeof(rfd_t) + sizeof(rbd_t)));
-		printf("  complete_frame_size = %d\n", complete_frame_size);
-		printf("  how_many_frames = %d\n", how_many_frames);
-		printf("  rfd_head = %lx\t\trfd_tail = %lx\n",
-		       kvtop(sc->rfd_head), kvtop(sc->rfd_tail));
-		printf("  rbd_head = %lx\t\trbd_tail = %lx\n",
-		       kvtop(sc->rbd_head), kvtop(sc->rbd_tail));
-		for (i = 0; i < how_many_frames; i++, rfd++, rbd++, rb += RB_SIZE) {
-			printf("  %d:\trfd = %lx\t\trbd = %lx\t\trb = %lx\n",
-			       i, kvtop(rfd), kvtop(rbd), kvtop(rb));
-			printf("\trfd->command = %x\n", rfd->command);
-			printf("\trfd->next = %x\trfd->rbd_offset = %x\n",
-			          rfd->next,      rfd->rbd_offset);
-			printf("\trbd->next = %x\trbd->size = %x",
-			          rbd->next,      rbd->size);
-			printf("\trbd->buffer = %lx\n\n",
-			          rbd->buffer);
-		}
-	DEBUGEND
-#endif /* IXDEBUG */
-
-	/*
-	 * ZZZ need to add sanity check to see if last rb runs into
-	 * the stuff after it in memory, this should not be possible
-	 * but if someone screws up with the defines it can happen
-	 */
-	DEBUGBEGIN(DEBUGINIT_RFA)
-	DEBUGDO(printf ("  next rb would be at %lx\n", kvtop(rb));)
-	DEBUGDO(printf("ix%d: ixinit_rfa exit\n", unit);)
-	DEBUGEND
-}
-
-/*
- * ixinit_tfa(int unit)
- *
- *	This routine initializes the Transmit Frame Area for the 82586
- *
- * input	the unit number to build the TFA for
- * access	the softc for memory address
- * output	an initialized TFA, ready for packet transmission
- *		the following queue pointers in the softc structure are
- *		also initialize
- *		sc->cb_head		sc->cb_tail
- *		sc->tbd_head		sc->tbd_tail
- * defines	TB_COUNT	home many transmit buffers to create
- *		TB_SIZE		size of the tranmit buffer, this must
- *				be even and should be greater than the
- *				minumum packet size and less than the
- *				maximum packet size
- *		TFA_START	the starting offset of the TFA
- */
-
-void
-ixinit_tfa(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	cb_transmit_t	*cb;
-	tbd_t		*tbd;
-	caddr_t		tb;
-	int		i;
-
-	DEBUGBEGIN(DEBUGINIT_TFA)
-	DEBUGDO(printf("\nix%d: ixinit_tfa\n", unit);)
-	DEBUGEND
-
-	/* build the list of cb's, tbd's and tb's */
-	cb = (cb_transmit_t *)(sc->maddr + TFA_START);
-	tbd = (tbd_t *)(sc->maddr +
-	                TFA_START +
-                        (TB_COUNT * sizeof(cb_transmit_t)));
-	tb = sc->maddr + TFA_START +
-	     (TB_COUNT * (sizeof(cb_transmit_t) + sizeof(tbd_t)));
-	sc->cb_head = (cb_t *)cb;
-	sc->tbd_head = tbd;
-	for (i = 0; i < TB_COUNT; i++, cb++, tbd++, tb += TB_SIZE) {
-		cb->common.status = 0;
-		cb->common.command = CB_CMD_NOP;
-		cb->common.next = KVTOBOARD(cb) + sizeof(cb_transmit_t);
-		cb->tbd_offset = KVTOBOARD(tbd);
-		/* ZZZ could bzero this, but just leave a note for now */
-		/* ZZZ bzero(cb->destination); */
-		cb->length = 0;
-
-		tbd->act_count = 0;
-		tbd->act_count = TBD_STAT_EOF;
-		tbd->next = KVTOBOARD(tbd) + sizeof(tbd_t);
-		tbd->buffer = KVTOBOARD(tb);
-
-		/*
-		 * handle the boundary conditions here.
-		 */
-
-		if (i == TB_COUNT - 1) {
-			cb->common.command = CB_CMD_EL | CB_CMD_NOP;
-			cb->common.next = INTEL586NULL; /*RRR KVTOBOARD(sc->cb_head);*/
-			tbd->next = INTEL586NULL; /*RRR KVTOBOARD(sc->tbd_head);*/
-		}
-	}
-	sc->cb_tail = (cb_t *)(--cb);
-	sc->tbd_tail = (--tbd);
-
-#ifdef IXDEBUG
-	DEBUGBEGIN(DEBUGINIT_TFA)
-		cb = (cb_transmit_t *)(sc->maddr + TFA_START);
-		tbd = (tbd_t *)(sc->maddr +
-		               TFA_START +
-		               (TB_COUNT * sizeof(cb_transmit_t)));
-		tb = sc->maddr + TFA_START +
-		     (TB_COUNT * (sizeof(cb_transmit_t) + sizeof(tbd_t)));
-		printf("  TB_COUNT = %d\n", TB_COUNT);
-		printf("  cb_head = %lx\t\tcb_tail = %lx\n",
-		       kvtop(sc->cb_head), kvtop(sc->cb_tail));
-		printf("  tbd_head = %lx\t\ttbd_tail = %lx\n",
-		       kvtop(sc->tbd_head), kvtop(sc->tbd_tail));
-		for (i = 0; i < TB_COUNT; i++, cb++, tbd++, tb += TB_SIZE) {
-			printf("  %d:\tcb = %lx\t\ttbd = %lx\t\ttb = %lx\n",
-			       i, kvtop(cb), kvtop(tbd), kvtop(tb));
-			printf("\tcb->common.command = %x\n", cb->common.command);
-			printf("\tcb->common.next = %x\tcb->tbd_offset = %x\n",
-			          cb->common.next,      cb->tbd_offset);
-			printf("\ttbd->act_count = %x", tbd->act_count);
-			printf("\ttbd->next = %x", tbd->next);
-			printf("\ttbd->buffer = %lx\n\n",
-			          tbd->buffer);
-		}
-	DEBUGEND
-#endif /* IXDEBUG */
-
-	/*
-	 * ZZZ need to add sanity check to see if last tb runs into
-	 * the stuff after it in memory, this should not be possible
-	 * but if someone screws up with the defines it can happen
-	 */
-	DEBUGBEGIN(DEBUGINIT_TFA)
-	DEBUGDO(printf ("  next tb would be at %lx\n", kvtop(tb));)
-	DEBUGDO(printf("ix%d: ixinit_tfa exit\n", unit);)
-	DEBUGEND
-}
-
-void
-ixintr(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	struct	ifnet	*ifp = &sc->arpcom.ac_if;
-	scb_t		*scb = (scb_t *)(sc->maddr + SCB_ADDR);
-	int		check_queue;	/* flag to tell us to check the queue */
-	u_short		status;
-
-	DEBUGBEGIN(DEBUGINTR)
-	DEBUGDO(printf("ixintr: ");)
-	DEBUGEND
-
-	if ((sc->flags & IXF_INITED) == 0) {
-		printf ("\n ixintr without being inited!!\n"); /* ZZZ */
-		ixinterrupt_disable(unit);
-		goto ixintr_exit;
-	}
-	if (ifp->if_flags & IFF_RUNNING == 0) {
-		printf("\n  ixintr when device not running!!\n"); /* ZZZ */
-		ixinterrupt_disable(unit);
-		goto ixintr_exit;
-	}
-
-	/* The sequence, disable ints, status=ack must be done
-	 * as quick as possible to avoid missing things */
-	ixinterrupt_disable(unit);
-	status = ixacknowledge(unit);
-	check_queue = 0;
-	while ((status & SCB_STAT_MASK) != 0) {
-		if (status & SCB_STAT_FR) {
-			ixintr_fr(unit);
-		}
-		if (status & SCB_STAT_CX) {
-			ixintr_cx(unit);
-			check_queue++;
-		}
-		if (status & SCB_STAT_CNA) {
-			DEBUGBEGIN(DEBUGINTR)
-			DEBUGDO(printf("cna:");)
-			DEBUGEND
-		}
-		if ((status & SCB_STAT_RNR) ||
-		    ((status & SCB_RUS_MASK) == SCB_RUS_NRSC)) {
-			DEBUGBEGIN(DEBUGINTR)
-			printf("RNR:");		/* ZZZ this means trouble */
-			DEBUGEND
-			IXCOUNTER(ifp->if_rnr++;)
-			ixinit_rfa(unit);
-			scb->status = SCB_STAT_NULL;
-			scb->command = SCB_RUC_START;
-			scb->rfa_offset = RFA_START;
-			ixchannel_attention(unit);
-		}
-		if (scb->status & SCB_STAT_MASK) {
-			status = ixacknowledge(unit);
-		} else {
-			status = 0;
-		}
-	}
-
-	ixinterrupt_enable(unit);
-	if (check_queue && ifp->if_snd.ifq_head != 0) {
-		ixstart(ifp);	/* we have stuff on the queue */
-	}
-
-ixintr_exit:
-	DEBUGBEGIN(DEBUGINTR)
-	DEBUGDO(printf(" ixintr exited\n");)
-	DEBUGEND
-}
-
-static inline void
-ixintr_cx(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	struct ifnet	*ifp = &sc->arpcom.ac_if;
-	cb_t		*cb;
-
-	DEBUGBEGIN(DEBUGINTR_CX)
-	DEBUGDO(printf("cx:");)
-	DEBUGEND
-	cb = sc->cb_head;
-	do {
-		if (cb->status & CB_BUSY) {
-			IXCOUNTER(ifp->if_busy++;)
-			printf("ix.cx.busy");	/* This should never occur */
-		}
-		if (cb->status & CB_COMPLETE) {
-			IXCOUNTER(ifp->if_complete++;)
-			switch(cb->command & CB_CMD_MASK) {
-				case CB_CMD_NOP: { break; }
-				case CB_CMD_IAS: { break; }
-				case CB_CMD_CONF: { break; }
-				case CB_CMD_MCAS: { break; }
-				case CB_CMD_TRANSMIT: {
-					if (cb->status & CB_OK) {
-						ifp->if_opackets++;
-						IXCOUNTER(ifp->if_ok++;)
-					} else {
-						if (cb->status & CB_ABORT) {
-							IXCOUNTER(ifp->if_abort++;)
-							printf("ix.cx.abort");
-						}
-						if (cb->status & CB_LATECOLL) {
-							IXCOUNTER(ifp->if_latecoll++;)
-							printf("ix.cx.latecoll");
-						}
-						if (cb->status & CB_NOCS) {
-							IXCOUNTER(ifp->if_nocs++;)
-							printf("ix.cx.nocs");
-						}
-						if (cb->status & CB_NOCTS) {
-							IXCOUNTER(ifp->if_nocts++;)
-							printf("ix.cx.nocts");
-						}
-						if (cb->status & CB_DMAUNDER) {
-							IXCOUNTER(ifp->if_dmaunder++;)
-							printf("ix.cx.dmaunder");
-						}
-						if (cb->status & CB_DEFER) {
-							IXCOUNTER(ifp->if_defer++;)
-							printf("ix.cx.defer");
-						}
-						if (cb->status & CB_HEARTBEAT) {
-							IXCOUNTER(ifp->if_heartbeat++;)
-							printf("ix.cx.heartbeat");
-						}
-						if (cb->status & CB_EXCESSCOLL) {
-							IXCOUNTER(ifp->if_excesscoll++;)
-							printf("ix.cx.excesscoll");
-						}
-						ifp->if_oerrors++;
-					}
-					ifp->if_collisions += cb->status & CB_COLLISIONS;
-					ifp->if_timer = 0;	/* clear watchdog timeout */
-					break;
-				}
-				case CB_CMD_TDR: { break; }
-				case CB_CMD_DUMP: { break; }
-				case CB_CMD_DIAGNOSE: { break; }
-				default: { break; }
-			}
-			ixintr_cx_free(unit, cb);
-		} else {
-		}
-		if (cb->next == INTEL586NULL) {
-			break;
-		} else {
-			cb = (cb_t *)BOARDTOKV(cb->next);
-		}
-	}
-	while (1);
-	/*
-	 * clear the IFF_OACTIVE flag because the CU should now be
-	 * idle, this only holds true as long as the last CB is the
-	 * only one with the CB_CMD_INT bit set.  If the start routine
-	 * violates this rule this code well have to change.
-	 */
-	ifp->if_flags &= ~IFF_OACTIVE;
-	}
-
-static inline void
-ixintr_cx_free(int unit, cb_t *cb) {
-
-	DEBUGBEGIN(DEBUGINTR_CX)
-	DEBUGDO(ix_softc_t	*sc = &ix_softc[unit];)
-	DEBUGDO(printf("cb=%x:cb->status=%x:", KVTOBOARD(cb), cb->status);)
-	DEBUGEND
-/*1*/	cb->command = CB_CMD_EL | CB_CMD_NOP;
-/*2*/	cb->status = 0;
-}
-
-static inline void
-ixintr_fr(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-
-	DEBUGBEGIN(DEBUGINTR_FR)
-	DEBUGDO(printf("fr:");)
-	DEBUGEND
-	/* find each frame in the rfa and copy it up, then free it */
-	while ((sc->rfd_head->status & (RFD_COMPLETE | RFD_BUSY)) == RFD_COMPLETE) {
-		ixintr_fr_copy(unit, sc->rfd_head);
-		ixintr_fr_free(unit, sc->rfd_head);
-	}
-}
-
-static inline void
-ixintr_fr_copy(int unit, rfd_t *rfd) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	struct		ifnet *ifp = &sc->arpcom.ac_if;
-	rbd_t		*rbd;
-	caddr_t		rb;
-	struct mbuf	*m0, *m;
-	struct ether_header	*eh;
-	int		length,
-			bytesleft;
-
-	rbd = (rbd_t *)(sc->maddr + rfd->rbd_offset);
-	rb = (caddr_t)(sc->maddr + rbd->buffer);
-	DEBUGBEGIN(DEBUGINTR_FR)
-	DEBUGDO(int	i;)
-	DEBUGDO(printf("rfd=%x:", KVTOBOARD(rfd));)
-	DEBUGDO(printf("rfd->status=%x:", rfd->status);)
-	DEBUGDO(printf("rbd->act_count=%x:", rbd->act_count);)
-	DEBUGDO(printf("data=");)
-	DEBUGDO(for (i = 0; i < 16; i ++) printf ("%02x", rb[i] & 0xFF);)
-	DEBUGDO(printf(":");)
-	DEBUGEND
-	/* trickery here, eh points right at memory on
-	 * the board.  eh is only used by ether_input,
-	 * it is not passed to the upper layer */
-	eh = (struct ether_header *)rb;
-
-	/* here we go, lets build an mbuf chain up to hold all this */
-	MGETHDR(m, M_DONTWAIT, MT_DATA);
-	if (m == 0) {
-		printf ("MGETHDR:"); /* ZZZ need to add drop counters */
-		return;
-	}
-	m0 = m;
-	length = rbd->act_count & RBD_STAT_SIZE;
-	bytesleft = length - sizeof(struct ether_header);
-	rb += sizeof(struct ether_header);
-	m->m_pkthdr.rcvif = ifp;
-	m->m_pkthdr.len = bytesleft;
-	m->m_len = MHLEN;
-	while (bytesleft > 0) {
-		if (bytesleft > MINCLSIZE) {
-			MCLGET(m, M_DONTWAIT);
-			if (m->m_flags & M_EXT) {
-				m->m_len = MCLBYTES;
-			} else {
-				printf ("MCLGET:");
-				m_freem(m0); /* ZZZ need to add drop counters */
-				return;
-			}
-		}
-		m->m_len = min(m->m_len, bytesleft);
-		bcopy(rb, mtod(m, caddr_t), m->m_len);
-		rb += m->m_len;
-		bytesleft -= m->m_len;
-		if (bytesleft > 0) {
-			MGET(m->m_next, M_DONTWAIT, MT_DATA);
-			if (m->m_next == 0) {
-				printf ("MGET");
-				m_freem(m0); /* ZZZ need to add drop counters */
-				return;
-			}
-			m = m->m_next;
-			m->m_len = MLEN;
-		}
-	}
-
-	ether_input(ifp, eh, m0);
-	ifp->if_ipackets++;
-	return;
-}
-
-static inline void
-ixintr_fr_free(int unit, rfd_t *rfd) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	rbd_t		*rbd;
-
-	rbd = (rbd_t *)(sc->maddr + rfd->rbd_offset);
-
-	/* XXX this still needs work, does not handle chained rbd's */
-/*1*/	rbd->act_count = 0;
-/*2*/	rbd->size = RBD_SIZE_EL | RB_SIZE;
-/*3*/	sc->rbd_tail->size = RB_SIZE;
-/*4*/	sc->rbd_tail = rbd;
-
-	/* Free the rfd buy putting it back on the rfd queue */
-/*1*/	rfd->command = RFD_CMD_EL | RFD_CMD_SUSP;
-/*2*/	rfd->status = 0;
-/*3*/	rfd->rbd_offset = INTEL586NULL;
-/*4*/	sc->rfd_head = (rfd_t *)BOARDTOKV(rfd->next);
-/*5*/	sc->rfd_tail->command &= ~(RFD_CMD_EL | RFD_CMD_SUSP);
-/*6*/	sc->rfd_tail = rfd;
-}
-
-/* Psuedo code:
- * 	Do consistency check:
- *	  IFF_UP should be set.
- *	  IFF_RUNNING should be set.
- *	  IFF_OACTIVE should be clear.
- *	  ifp->snd.ifq_head should point to an MBUF
- *	  I82586 CU should be in the idle state.
- *	  All cb's should have CUC = NOP.
- *	The real work:
- *	  while there are packets to send & free cb's do:
- *		build a cb, tbd, and tb
- *		copy the MBUF chain to a tb
- *	  setup the scb for a start CU
- *	  start the CU
- *	  set IFF_OACTIVE
- *	  set ifp->if_timer for watchdog timeout
- *	Exit:
- */
-void
-ixstart(struct ifnet *ifp) {
-	int 		unit = ifp->if_unit;
-	ix_softc_t	*sc = ifp->if_softc;
-	scb_t 		*scb = (scb_t *)BOARDTOKV(SCB_ADDR);
-	cb_t		*cb = sc->cb_head;
-	tbd_t		*tbd;
-	caddr_t		tb;
-	struct mbuf	*m, *m_temp;
-	u_short		length;
-	IXCOUNTER(int		queued;)
-
-	DEBUGBEGIN(DEBUGSTART)
-	DEBUGDO(printf("ixstart:");)
-	DEBUGEND
-
-	/* check that if is up and running */
-	if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) != (IFF_UP | IFF_RUNNING)) {
-		goto ixstart_exit;
-	}
-
-	/* check to see that we are not already active */
-	if ((ifp->if_flags & IFF_OACTIVE) == IFF_OACTIVE) {
-		goto ixstart_exit;
-	}
-
-	/* check that there are packets to send */
-	if (ifp->if_snd.ifq_head == 0) {
-		goto ixstart_exit;
-	}
-
-	/* check that the command unit is idle */
-	if ((scb->status & SCB_CUS_MASK) != SCB_CUS_IDLE) {
-		goto ixstart_exit;
-	}
-
-	/* check that all cb's on the list are free */
-#ifdef THISDONTDONOTHING
-	cb = sc->cb_head;
-	IXCOUNTER(ifp->if_could_queue = 0;)
-	do {
-		/* XXX this does nothing right now! */
-		DEBUGBEGIN(DEBUGSTART)
-		DEBUGDO(printf("chk_cb=%x:", KVTOBOARD(cb));)
-		DEBUGEND
-		IXCOUNTER(ifp->if_could_queue++;)
-		if (cb->next == INTEL586NULL) {
-			break;
-		} else {
-			cb = (cb_t *)BOARDTOKV(cb->next);
-		}
-	}
-	while (1);
-#endif /* THISDONTDONOTHING */
-
-	/* build as many cb's as we can */
-	IXCOUNTER(queued = 0;)
-	cb = sc->cb_head;
-	do {
-		cb->status = 0;
-		cb->command = CB_CMD_TRANSMIT;
-		tbd = (tbd_t *)BOARDTOKV(((cb_transmit_t *)cb)->tbd_offset);
-		tb = (caddr_t)BOARDTOKV(tbd->buffer);
-		DEBUGBEGIN(DEBUGSTART)
-		DEBUGDO(printf("cb=%x:", KVTOBOARD(cb));)
-		DEBUGDO(printf("tbd=%x:", KVTOBOARD(tbd));)
-		DEBUGDO(printf("tb=%x:", KVTOBOARD(tb));)
-		DEBUGEND
-
-		IF_DEQUEUE(&ifp->if_snd, m);
-		length = 0;
-		for (m_temp = m; m_temp != 0; m_temp = m_temp->m_next) {
-			bcopy(mtod(m_temp, caddr_t), tb, m_temp->m_len);
-			tb += m_temp->m_len;
-			length += m_temp->m_len;
-		}
-		m_freem(m);
-		if (length < ETHER_MIN_LEN) length = ETHER_MIN_LEN;
-#ifdef DIAGNOSTIC
-		if (length > ETHER_MAX_LEN) {
-			/* XXX
- 			 * This should never ever happen, if it does
-			 * we probable screwed up all sorts of board data
-			 * in the above bcopy's and should probably shut
-			 * down, but for now just issue a warning that
-			 * something is real wrong
-			 */
-			printf("ix%d: ixstart: Packet length=%d > MTU=%d\n",
-			        unit, length, ETHER_MAX_LEN);
-		}
-#endif /* DIAGNOSTIC */
-		tbd->act_count = TBD_STAT_EOF | length;
-		IXCOUNTER(queued++;)
-		/* check to see if we have used the last cb */
-		if (cb->next == INTEL586NULL) {
-			IXCOUNTER(ifp->if_filled_queue++;)
-			break;
-		} else {
-			cb = (cb_t *)BOARDTOKV(cb->next);
-		}
-	} while (ifp->if_snd.ifq_head != 0);
-	IXCOUNTER(ifp->if_high_queue = max(ifp->if_high_queue, queued);)
-
-	/* set the end of list and interrupt bits in the last cb */
-	cb->command |= (CB_CMD_EL | CB_CMD_INT);
-
-	/* build the scb */
-	scb->status = SCB_STAT_NULL;
-	scb->command = SCB_CUC_START;
-	scb->cbl_offset = KVTOBOARD(sc->cb_head);/* This should not be needed */
-
-	/* start the cu */
-	ixchannel_attention(unit);
-
-	/* mark the interface as having output active */
-	ifp->if_flags |= IFF_OACTIVE;
-
-	/*
-	 * set the watchdog timer so that if the board fails to interrupt
-	 * we will go clean up
-	 */
-	ifp->if_timer = 2;
-
-ixstart_exit:
-	DEBUGBEGIN(DEBUGSTART)
-	DEBUGDO(printf("ixstart exited\n");)
-	DEBUGEND
-	return;
-}
-
-int
-ixstop(struct ifnet *ifp) {
-	int		unit = ifp->if_unit;
-	ix_softc_t	*sc = ifp->if_softc;
-
-	DEBUGBEGIN(DEBUGSTOP)
-	DEBUGDO(printf("ixstop:");)
-	DEBUGEND
-
-	/* XXX Need to find out what spl we are at, and maybe add splx */
-
-	ifp->if_flags &= ~IFF_RUNNING;
-	ixinterrupt_disable(unit);
-
-	/* force the 82586 reset pin high */
-	outb(sc->iobase + ee_ctrl, I586_RESET);
-
-	DEBUGBEGIN(DEBUGSTOP)
-	DEBUGDO(printf("ixstop exiting\n");)
-	DEBUGEND
-	return(0);
-}
-
-/*
- * I can't find any calls to if_done, it may be deprecated, but I left
- * it here until I find out.  rwgrimes 1993/01/15
- */
-int
-ixdone(struct ifnet *ifp) {
-	DEBUGBEGIN(DEBUGDONE)
-	DEBUGDO(printf("ixdone:");)
-	DEBUGEND
-	DEBUGBEGIN(DEBUGDONE)
-	DEBUGDO(printf("ixdone exited\n");)
-	DEBUGEND
-	return(0);
-}
-
-int
-ixioctl(struct ifnet *ifp, int cmd, caddr_t data) {
-	int	unit = ifp->if_unit;
-	int	status = 0;
-	int	s;
-
-	DEBUGBEGIN(DEBUGIOCTL)
-	DEBUGDO(printf("ixioctl:");)
-	DEBUGEND
-
-	s = splimp();
-
-	switch(cmd) {
-	case SIOCSIFADDR: {
-		struct ifaddr *ifa = (struct ifaddr *)data;
-
-		if (ifp->if_flags & IFF_RUNNING) ixstop(ifp);
-		ifp->if_flags |= IFF_UP;
-		ixinit(unit);
-
-		switch(ifa->ifa_addr->sa_family) {
-#ifdef INET
-			case AF_INET: {
-				arp_ifinit((struct arpcom *)ifp, ifa);
-				break;
-			}
-#endif /* INET */
-#ifdef IPX
-			case AF_IPX: {
-				/*ZZZ*/printf("Address family IPX not supported by ixioctl\n");
-				break;
-			}
-#endif /* IPX */
-#ifdef NS
-			case AF_NS: {
-				/*ZZZ*/printf("Address family NS not supported by ixioctl\n");
-				break;
-			}
-#endif /* NS */
-			default: {
-				DEBUGBEGIN(DEBUGIOCTL)
-				DEBUGDO(printf("Unknow Address Family in ixioctl\n");)
-				DEBUGEND
-				status = EINVAL;
-				break;
-			}
-		}
-		break;
-	}
-
-	case SIOCSIFFLAGS: {
-		if (((ifp->if_flags & IFF_UP) == 0) &&
-		     (ifp->if_flags & IFF_RUNNING)) {
-			ixstop(ifp);
-		}
-		else if ((ifp->if_flags & IFF_UP) &&
-		        ((ifp->if_flags & IFF_RUNNING) == 0)) {
-			ixinit(unit);
-		}
-		break;
-	}
-
-	default: {
-		DEBUGBEGIN(DEBUGIOCTL)
-		DEBUGDO(printf("Unknown cmd in ixioctl\n");)
-		DEBUGEND
-		status = EINVAL;
-		break;
-	}
-	}
-	splx(s);
-
-	DEBUGBEGIN(DEBUGIOCTL)
-	DEBUGDO(printf("ixioctl exit\n");)
-	DEBUGEND
-	return(status);
-}
-
-void
-ixreset(int unit) {
-	ix_softc_t	*sc = &ix_softc[unit];
-	struct	ifnet	*ifp = &sc->arpcom.ac_if;
-	int		s;
-
-	s = splimp();
-	DEBUGBEGIN(DEBUGRESET)
-	DEBUGDO(printf("ixreset:");)
-	DEBUGEND
-
-	ixstop(ifp);
-	ixinit(unit);
-
-	DEBUGBEGIN(DEBUGRESET)
-	DEBUGDO(printf("ixreset exit\n");)
-	DEBUGEND
-	(void) splx(s);
-	return;
-}
-/*
- * The ixwatchdog routine gets called if the transmitter failed to interrupt
- * within ifp->if_timer XXXseconds.  The interrupt service routine must reset
- * ifp->if_timer to 0 after an transmitter interrupt occurs to stop the
- * watchdog from happening.
- */
-void
-ixwatchdog(struct ifnet *ifp) {
-	log(LOG_ERR, "ix%d: device timeout\n", ifp->if_unit);
-	ifp->if_oerrors++;
-	ixreset(ifp->if_unit);
-	return;
-}
-
-u_short
-ixeeprom_read(int unit, int location) {
-	int	eeprom_control,
-		data;
-
-	eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-	eeprom_control &= 0xB2; /* XXX fix 0xB2 */
-	eeprom_control |= EECS;
-	outb(ix_softc[unit].iobase + ee_ctrl, eeprom_control);
-	ixeeprom_outbits(unit, eeprom_read_op, eeprom_opsize1);
-	ixeeprom_outbits(unit, location, eeprom_addr_size);
-	data = ixeeprom_inbits(unit);
-	eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-	eeprom_control &= ~(GA_RESET | EEDI | EECS);
-	outb(ix_softc[unit].iobase + ee_ctrl, eeprom_control);
-	ixeeprom_clock(unit, 1);
-	ixeeprom_clock(unit, 0);
-	return(data);
-}
-
-void
-ixeeprom_outbits(int unit, int data, int count) {
-	int	eeprom_control,
-		i;
-
-	eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-	eeprom_control &= ~GA_RESET;
-	for(i=count-1; i>=0; i--) {
-		eeprom_control &= ~EEDI;
-		if (data & (1 << i)) {
-			eeprom_control |= EEDI;
-		}
-		outb(ix_softc[unit].iobase + ee_ctrl, eeprom_control);
-		DELAY(1); /* eeprom data must be setup for 0.4 uSec */
-		ixeeprom_clock(unit, 1);
-		ixeeprom_clock(unit, 0);
-	}
-	eeprom_control &= ~EEDI;
-	outb(ix_softc[unit].iobase + ee_ctrl, eeprom_control);
-	DELAY(1); /* eeprom data must be held for 0.4 uSec */
-}
-
-int
-ixeeprom_inbits(int unit) {
-	int	eeprom_control,
-		data,
-		i;
-
-	eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-	eeprom_control &= ~GA_RESET;
-	for(data=0, i=0; i<16; i++) {
-		data = data << 1;
-		ixeeprom_clock(unit, 1);
-		eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-		if (eeprom_control & EEDO) {
-			data |= 1;
-		}
-		ixeeprom_clock(unit, 0);
-	}
-	return(data);
-}
-
-void
-ixeeprom_clock(int unit, int state) {
-	int	eeprom_control;
-
-	eeprom_control = inb(ix_softc[unit].iobase + ee_ctrl);
-	eeprom_control &= ~(GA_RESET | EESK);
-	if (state) {
-		eeprom_control = eeprom_control | EESK;
-	}
-	outb(ix_softc[unit].iobase + ee_ctrl, eeprom_control);
-	DELAY(9); /* EESK must be stable for 8.38 uSec */
-}