Put back old Ariadne support, save new merged le driver until later

3 files changed, 1299 insertions, 2 deletions

diff --git a/sys/arch/amiga/conf/files.amiga b/sys/arch/amiga/conf/files.amiga
index 42ac8e8f0f1..a754a1016e7 100644
--- a/sys/arch/amiga/conf/files.amiga
+++ b/sys/arch/amiga/conf/files.amiga
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.amiga,v 1.24 1997/10/07 18:54:47 niklas Exp $
+#	$OpenBSD: files.amiga,v 1.25 1998/01/07 00:33:44 niklas Exp $
 #	$NetBSD: files.amiga,v 1.62 1997/08/27 19:32:47 is Exp $
 
 
@@ -150,7 +150,7 @@ file	arch/amiga/dev/grf_et.c		grfet needs-flag
 file	arch/amiga/dev/ite_et.c		grfet & ite
 
 # device defined in sys/conf/files
-# A2065, Ameristar, Ariadne ethernet cards
+# A2065, Ameristar ethernet cards
 attach	le at zbus with le_zbus
 file	arch/amiga/dev/if_le.c		le_zbus needs-flag
 
@@ -174,6 +174,11 @@ device	qn:	ifnet, ether
 attach	qn at zbus
 file	arch/amiga/dev/if_qn.c		qn needs-flag
 
+# Ariadne ethernet card (will merge into le soon)
+device	ae:	ifnet, ether
+attach	ae at zbus
+file	arch/amiga/dev/if_ae.c		ae needs-count
+
 # A2232 msc serial ports
 device	msc:	tty
 attach	msc at zbus
diff --git a/sys/arch/amiga/dev/if_ae.c b/sys/arch/amiga/dev/if_ae.c
new file mode 100644
index 00000000000..0760c32f721
--- /dev/null
+++ b/sys/arch/amiga/dev/if_ae.c
@@ -0,0 +1,1136 @@
+/*	$OpenBSD: if_ae.c,v 1.11 1998/01/07 00:33:45 niklas Exp $	*/
+/*	$NetBSD: if_ae.c,v 1.14 1997/03/18 18:44:53 veego Exp $	*/
+
+/*
+ * Copyright (c) 1995 Bernd Ernesti and Klaus Burkert. All rights reserved.
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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 Bernd Ernesti, by Klaus
+ *	Burkert, by Michael van Elst, and by the University of California,
+ *	Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)if_le.c	8.1 (Berkeley) 6/10/93
+ *
+ *	This is based on the original LANCE files, as the PCnet-ISA used on
+ *	the Ariadne is a LANCE-descendant optimized for the PC-ISA bus.
+ *	This causes some modifications, all data that is to go into registers
+ *	or to structures (buffer-descriptors, init-block) has to be
+ *	byte-swapped. In addition ALL write accesses to the board have to be
+ *	WORD or LONG, BYTE-access is prohibited!!
+ */
+
+#include "bpfilter.h"
+
+/*
+ * AMD 79C960 PCnet-ISA
+ *
+ * This driver will generate and accept tailer encapsulated packets even
+ * though it buys us nothing.  The motivation was to avoid incompatibilities
+ * with VAXen, SUNs, and others that handle and benefit from them.
+ * This reasoning is dubious.
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/buf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/syslog.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/netisr.h>
+#include <net/route.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
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if defined(CCITT) && defined(LLC)
+#include <sys/socketvar.h>  
+#include <netccitt/x25.h>
+#include <net/if_dl.h>
+#include <net/if_llc.h>
+#include <netccitt/dll.h>
+#include <netccitt/llc_var.h>
+#include <netccitt/pk.h> 
+#include <netccitt/pk_var.h>
+#include <netccitt/pk_extern.h>
+#endif  
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif  
+
+#include <machine/cpu.h>
+#include <machine/mtpr.h>
+#include <amiga/amiga/device.h>
+#include <amiga/amiga/isr.h>
+#include <amiga/dev/zbusvar.h>
+#include <amiga/dev/if_aereg.h>
+
+/*
+ * Ethernet software status per interface.
+ *
+ * Each interface is referenced by a network interface structure,
+ * ae_if, which the routing code uses to locate the interface.
+ * This structure contains the output queue for the interface, its address, ...
+ */
+struct	ae_softc {
+	struct	device sc_dev;
+	struct	isr sc_isr;
+	struct	arpcom sc_arpcom;	/* common Ethernet structures */
+	void	*sc_base;	/* base address of board */
+	struct	aereg1 *sc_r1;	/* LANCE registers */
+	struct	aereg2 *sc_r2;	/* dual-port RAM */
+	int	sc_rmd;		/* predicted next rmd to process */
+	int	sc_tmd;		/* next tmd to use */
+	int	sc_no_td;	/* number of tmds in use */
+	u_int16_t	ae_rev;	/* revision of the lance chip */
+} ae_softc[NAE];
+
+/* offsets for:	   ID,   REGS,    MEM */
+int	aestd[] = { 0, 0x0370, 0x8000 };
+
+int	aematch __P((struct device *, void *, void *));
+void	aeattach __P((struct device *, struct device *, void *));
+void	aewatchdog __P((struct ifnet *));
+void	aestop __P((struct ae_softc *));
+void	aememinit __P((struct ae_softc *));
+void	aereset __P((struct ae_softc *));
+void	aeinit __P((struct ae_softc *));
+void	aestart __P((struct ifnet *));
+int	aeintr __P((void *));
+void	aetint __P((struct ae_softc *));
+void	aerint __P((struct ae_softc *));
+void	aeread __P((struct ae_softc *, u_char *, int));
+static	void wcopyfrom __P((char *, char *, int));
+static	void wcopyto __P((char *, char *, int));
+static	void wzero __P((char *, int));
+int	aeput __P((char *, struct mbuf *));
+struct	mbuf *aeget __P((struct ae_softc *, u_char *, int));
+int	aeioctl __P((struct ifnet *, u_long, caddr_t));
+void	aesetladrf __P((struct arpcom *, u_int16_t *));
+
+struct cfattach ae_ca = {
+	sizeof(struct ae_softc), aematch, aeattach
+};
+
+struct cfdriver ae_cd = {
+	NULL, "ae", DV_IFNET
+};
+
+int
+aematch(parent, match, aux)
+	struct device *parent;
+	void *match, *aux;
+{
+	struct zbus_args *zap;
+
+	zap = (struct zbus_args *)aux;
+
+	/* Ariadne ethernet card */
+	if (zap->manid == 2167 && zap->prodid == 201)
+		return (1);
+
+	return (0);
+}
+
+/*
+ * Interface exists: make available by filling in network interface
+ * record.  System will initialize the interface when it is ready
+ * to accept packets.
+ */
+void
+aeattach(parent, self, aux)
+	struct device *parent, *self;
+	void *aux;
+{
+	register struct aereg2 *aer2;
+	struct zbus_args *zap;
+	struct ae_softc *sc = (void *)self;
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+	unsigned long ser;
+	int s = splhigh ();
+
+	zap =(struct zbus_args *)aux;
+
+	/*
+	 * Make config msgs look nicer.
+	 */
+	printf("\n");
+
+	sc->sc_base = zap->va;
+	sc->sc_r1 = (struct aereg1 *)(aestd[1] + (int)zap->va);
+	aer2 = sc->sc_r2 = (struct aereg2 *)(aestd[2] + (int)zap->va);
+
+	/*
+	 * Serial number for board is used as host ID.
+	 */
+	ser = (unsigned long) zap->serno;
+
+	/*
+	 * Manufacturer decides the 3 first bytes, i.e. ethernet vendor ID.
+	 */
+
+	sc->sc_arpcom.ac_enaddr[0] = 0x00;
+	sc->sc_arpcom.ac_enaddr[1] = 0x60;
+	sc->sc_arpcom.ac_enaddr[2] = 0x30;
+
+	sc->sc_arpcom.ac_enaddr[3] = (ser >> 16) & 0xff;
+	sc->sc_arpcom.ac_enaddr[4] = (ser >> 8) & 0xff;
+	sc->sc_arpcom.ac_enaddr[5] = ser & 0xff;
+
+	printf("%s: hardware address %s 32K", sc->sc_dev.dv_xname,
+		ether_sprintf(sc->sc_arpcom.ac_enaddr));
+
+	aestop(sc);
+	delay(100);
+
+	/* get the chip version of the lance chip */
+	sc->sc_r1->aer1_rap = 0x5900;
+	sc->ae_rev = ((sc->sc_r1->aer1_rdp >> 4) -2);
+	printf("  chip-revision: B%x\n", sc->ae_rev);
+
+	splx (s);
+
+	bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
+	ifp->if_softc = sc;
+	ifp->if_ioctl = aeioctl;
+	ifp->if_watchdog = aewatchdog;
+	ifp->if_output = ether_output;
+	ifp->if_start = aestart;
+	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST;
+
+	if_attach(ifp);
+	ether_ifattach(ifp);
+
+#if NBPFILTER > 0
+	bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header));
+#endif
+
+	sc->sc_isr.isr_intr = aeintr;
+	sc->sc_isr.isr_arg = sc;
+	sc->sc_isr.isr_ipl = 2;
+	add_isr (&sc->sc_isr);
+	return;
+}
+
+void
+aewatchdog(ifp)
+	struct ifnet *ifp;
+{
+	struct ae_softc *sc = ifp->if_softc;
+
+	log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname);
+	++sc->sc_arpcom.ac_if.if_oerrors;
+
+	aereset(sc);
+}
+
+void
+aestop(sc)
+	struct ae_softc *sc;
+{
+	sc->sc_r1->aer1_rap =  AE_CSR0;
+	sc->sc_r1->aer1_rdp =  AE_STOP;
+}
+
+	
+/*    
+ * Set up the initialization block and the descriptor rings.
+ */     
+void
+aememinit(sc)
+	register struct ae_softc *sc;
+{        
+#if NBPFILTER > 0
+	register struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+#endif
+	/*
+	 * This structure is referenced from the CARD's/PCnet-ISA's point
+	 * of view, thus the 0x8000 address which is the buffer RAM area
+	 * of the Ariadne card. This pointer is manipulated
+	 * with the PCnet-ISA's view of memory and NOT the Amiga's. FYI.
+	 */
+	register struct aereg2 *aemem = (struct aereg2 *) 0x8000;
+	register struct aereg2 *aer2 = sc->sc_r2;
+	register int i;
+
+
+#if NBPFILTER > 0
+	if (ifp->if_flags & IFF_PROMISC)
+		/* set the promiscuous bit */
+		aer2->aer2_mode = AE_MODE | AE_PROM;
+	else    
+#endif
+		aer2->aer2_mode = AE_MODE;
+	/* you know: no BYTE access.... */
+	aer2->aer2_padr[0] =
+		(sc->sc_arpcom.ac_enaddr[0] << 8) | sc->sc_arpcom.ac_enaddr[1];
+	aer2->aer2_padr[1] =
+		(sc->sc_arpcom.ac_enaddr[2] << 8) | sc->sc_arpcom.ac_enaddr[3];
+	aer2->aer2_padr[2] =
+		(sc->sc_arpcom.ac_enaddr[4] << 8) | sc->sc_arpcom.ac_enaddr[5];
+	aesetladrf(&sc->sc_arpcom, aer2->aer2_ladrf);
+
+	sc->sc_no_td = sc->sc_tmd = sc->sc_rmd = 0;
+
+	aer2->aer2_rlen = SWAP(AE_RLEN);
+	aer2->aer2_rdra = SWAP((int)aemem->aer2_rmd); 
+	aer2->aer2_tlen = SWAP(AE_TLEN);
+	aer2->aer2_tdra = SWAP((int)aemem->aer2_tmd);
+
+	for (i = 0; i < AERBUF; i++) {  
+		aer2->aer2_rmd[i].rmd0 = SWAP((int)aemem->aer2_rbuf[i]);
+		aer2->aer2_rmd[i].rmd2 = SWAP(-ETHER_MAX_LEN);
+		aer2->aer2_rmd[i].rmd3 = 0;
+		aer2->aer2_rmd[i].rmd1 = AE_OWN; 
+	}
+
+	for (i = 0; i < AETBUF; i++) {
+		aer2->aer2_tmd[i].tmd0 = SWAP((int)aemem->aer2_tbuf[i]);
+		aer2->aer2_tmd[i].tmd1 = 0;
+		aer2->aer2_tmd[i].tmd2 = 0;
+		aer2->aer2_tmd[i].tmd3 = 0;
+	}
+}
+
+void
+aereset(sc)
+	struct ae_softc *sc;
+{
+	int s;
+
+	s = splnet();
+	aeinit(sc);
+	splx(s);
+}
+
+/*
+ * Initialization of interface; set up initialization block
+ * and transmit/receive descriptor rings.
+ */     
+void
+aeinit(sc)
+	struct ae_softc *sc;
+{
+	register struct aereg1 *aer1 = sc->sc_r1;
+	register struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+	register struct aereg2 *aemem = (struct aereg2 *) 0x8000;
+
+	register int timo = 0;
+	volatile int dummy;
+
+	aestop(sc);
+	delay(100);
+
+	dummy = aer1->aer1_reset;    /* Reset PCNet-ISA */
+
+	aememinit(sc);
+
+	/* Give LANCE the physical address of its init block. */
+	aer1->aer1_rap =  AE_CSR1;
+	aer1->aer1_rdp =  SWAP((int)&aemem->aer2_mode);
+	aer1->aer1_rap =  AE_CSR2;
+	aer1->aer1_rdp =  0;
+
+/*
+ *	re-program LEDs to match meaning used on the Ariadne board
+ */
+	aer1->aer1_rap = 0x0500;
+	aer1->aer1_idp = 0x9000;
+	aer1->aer1_rap = 0x0600;
+	aer1->aer1_idp = 0x8100;
+	aer1->aer1_rap = 0x0700;
+	aer1->aer1_idp = 0x8400;
+
+/*
+ * you can `ifconfig (link0|-link0) ae0' to get the following
+ * behaviour:    
+ *	-link0	enable autoselect between 10Base-T (UTP) and 10Base2 (BNC)
+ *		if an active 10Base-T line is connected then 10Base-T
+ *		is used otherwise 10Base2.
+ *		this is the default behaviour, so there is no need to set
+ *		-link0 when you want autoselect.
+ *	link0 -link1	disable autoselect. enable BNC.
+ *	link0 link1	disable autoselect. enable UTP.
+ */
+	if (!(ifp->if_flags & IFF_LINK0)) {
+		/* enable autoselect */
+		aer1->aer1_rap = 0x0200;
+		aer1->aer1_idp = 0x0200;
+	} else {
+		/* disable autoselect */
+		aer1->aer1_rap = 0x0200;
+		aer1->aer1_idp = 0x0000;
+		if (!(ifp->if_flags & IFF_LINK1)) {
+			/* enable BNC */
+			sc->sc_r2->aer2_mode = 0x0000;
+		} else {
+			/* enable UTP */
+			sc->sc_r2->aer2_mode = 0x8000;
+		}
+	}
+
+	/* Try to initialize the LANCE. */
+	delay(100);
+	aer1->aer1_rap =  AE_CSR0;
+	aer1->aer1_rdp =  AE_INIT;
+
+	/* Wait for initialization to finish. */
+	do {
+		if (++timo == 10000) {
+			printf("%s: card failed to initialize\n", sc->sc_dev.dv_xname);
+			break;
+		}
+	} while ((aer1->aer1_rdp & AE_IDON) == 0);
+
+	/* Start the LANCE. */
+	aer1->aer1_rap =  AE_CSR0;
+	aer1->aer1_rdp =  AE_STRT | AE_INEA | AE_IDON;
+	ifp->if_flags |= IFF_RUNNING;
+	ifp->if_flags &= ~IFF_OACTIVE;
+	ifp->if_timer = 0;
+	aestart(ifp);
+}
+
+#define AENEXTTMP \
+	if (++bix == AETBUF) bix = 0, tmd = sc->sc_r2->aer2_tmd; else ++tmd
+
+/*
+ * Start output on interface.  Get another datagram to send
+ * off of the interface queue, and copy it to the interface
+ * before starting the output.
+ */
+void
+aestart(ifp)
+	struct ifnet *ifp;
+{
+	register struct ae_softc *sc = ifp->if_softc;
+	register int bix;
+	register struct aetmd *tmd;
+	register struct mbuf *m;
+	int len;
+
+	if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
+		return;
+
+	bix = sc->sc_tmd;
+	tmd = &sc->sc_r2->aer2_tmd[bix];
+
+	for (;;) {
+		if (sc->sc_no_td >= AETBUF) {
+			ifp->if_flags |= IFF_OACTIVE;
+			break;
+		}
+
+		IF_DEQUEUE(&ifp->if_snd, m);
+		if (m == 0)
+			break;
+
+		++sc->sc_no_td;
+
+#if NBPFILTER > 0
+		if (ifp->if_bpf)
+			bpf_mtap(ifp->if_bpf, m);
+#endif
+
+		sc->sc_r1->aer1_rdp =  AE_TINT | AE_INEA;
+		len = aeput(sc->sc_r2->aer2_tbuf[bix], m);
+
+#ifdef AEDEBUG
+		if (len > ETHER_MAX_LEN)
+			printf("packet length %d\n", len);
+#endif
+
+		ifp->if_timer = 5;
+
+		tmd->tmd2 = SWAP(-len);
+		tmd->tmd3 = 0;
+		tmd->tmd1 = AE_OWN | AE_STP | AE_ENP;
+
+		sc->sc_r1->aer1_rdp = AE_INEA | AE_TDMD;
+
+		AENEXTTMP;
+	}
+
+	sc->sc_tmd = bix;
+}
+
+int
+aeintr(arg)
+	void *arg;
+{
+	register struct ae_softc *sc = arg;
+	register struct aereg1 *aer1;
+	register struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+	register u_int16_t stat;
+
+	/* if not even initialized, don't do anything further.. */
+	if (sc->sc_base == 0)
+		return (0);
+
+	aer1 = sc->sc_r1;
+	stat =  aer1->aer1_rdp;
+
+	if ((stat & AE_INTR) == 0)
+		return (0);
+
+	aer1->aer1_rdp = (stat & (AE_INEA | AE_BABL | AE_MISS | AE_MERR |
+				AE_RINT | AE_TINT | AE_IDON));
+	if (stat & AE_SERR) {
+			if (stat & AE_MERR) {
+				printf("%s: memory error\n", sc->sc_dev.dv_xname);
+				aereset(sc);
+				return (1);
+			}
+			if (stat & AE_BABL) {
+				printf("%s: babble\n", sc->sc_dev.dv_xname);
+				ifp->if_oerrors++;
+			}
+#if 0
+			if (stat & AE_CERR) {
+				printf("%s: collision error\n", sc->sc_dev.dv_xname);
+				ifp->if_collisions++;
+			}
+#endif
+			if (stat & AE_MISS) {
+				printf("%s: missed packet\n", sc->sc_dev.dv_xname);
+				ifp->if_ierrors++;
+			}
+			aer1->aer1_rdp =  AE_BABL | AE_CERR | AE_MISS | AE_INEA;
+		}
+		if ((stat & AE_RXON) == 0) {
+			printf("%s: receiver disabled\n", sc->sc_dev.dv_xname);
+			ifp->if_ierrors++;
+			aereset(sc);
+			return (1);
+		}
+		if ((stat & AE_TXON) == 0) {
+			printf("%s: transmitter disabled\n", sc->sc_dev.dv_xname);
+			ifp->if_oerrors++;
+			aereset(sc);
+			return (1);
+		}
+		if (stat & AE_RINT) {
+			/* Reset watchdog timer. */
+			ifp->if_timer = 0;
+			aerint(sc);
+		}
+		if (stat & AE_TINT) {
+			/* Reset watchdog timer. */
+			ifp->if_timer = 0;
+			aetint(sc);
+		}
+
+	return (1);
+}
+
+/*
+ * Ethernet interface transmitter interrupt.
+ * Start another output if more data to send.
+ */
+void
+aetint(sc)
+	struct ae_softc *sc;
+{
+	register int bix = (sc->sc_tmd - sc->sc_no_td + AETBUF) % AETBUF;
+	struct aetmd *tmd = &sc->sc_r2->aer2_tmd[bix];
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+
+	if (tmd->tmd1 & AE_OWN) {
+#ifdef AEDEBUG
+		printf("%s: extra tint\n", sc->sc_dev.dv_xname);
+#endif
+		return;
+	}
+	ifp->if_flags &= ~IFF_OACTIVE;
+
+	do {
+		if (sc->sc_no_td <= 0)
+			break;
+		ifp->if_opackets++;
+		--sc->sc_no_td;
+
+		if (tmd->tmd1 & AE_ERR) {
+			if (tmd->tmd3 & AE_TBUFF)
+				printf("%s: transmit buffer error\n", sc->sc_dev.dv_xname);
+			if (tmd->tmd3 & AE_UFLO)
+				printf("%s: underflow\n", sc->sc_dev.dv_xname);
+			if (tmd->tmd3 & (AE_TBUFF | AE_UFLO)) {
+				aereset(sc);
+				return;
+			}
+			if (tmd->tmd3 & AE_LCAR)
+				printf("%s: lost carrier\n", sc->sc_dev.dv_xname);
+			if (tmd->tmd3 & AE_LCOL) {
+				printf("%s: late collision\n", sc->sc_dev.dv_xname);
+				ifp->if_collisions++;
+			}
+			if (tmd->tmd3 & AE_RTRY) {
+				printf("%s: excessive collisions, tdr %d\n",
+					sc->sc_dev.dv_xname, tmd->tmd3 & AE_TDR_MASK);
+				ifp->if_collisions += 16;
+			}
+		} else if (tmd->tmd1 & AE_ONE) {
+			ifp->if_collisions++;
+		}
+		else if (tmd->tmd1 & AE_MORE) {
+			/* Real number is unknown. */
+			ifp->if_collisions += 2;
+		}
+		AENEXTTMP;
+	} while ((tmd->tmd1 & AE_OWN) == 0);
+
+	aestart(ifp);
+	if (sc->sc_no_td == 0)
+		ifp->if_timer = 0;
+}
+
+#define	AENEXTRMP \
+	if (++bix == AERBUF) bix = 0, rmd = sc->sc_r2->aer2_rmd; else ++rmd
+
+/*
+ * Ethernet interface receiver interrupt.
+ * If input error just drop packet.
+ * Decapsulate packet based on type and pass to type specific
+ * higher-level input routine.
+ */
+void
+aerint(sc)
+	struct ae_softc *sc;
+{
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+	register int bix = sc->sc_rmd;
+	register struct aermd *rmd = &sc->sc_r2->aer2_rmd[bix];
+
+	/*
+	 * Out of sync with hardware, should never happen?
+	 */
+	if (rmd->rmd1 & AE_OWN) {
+#ifdef AEDEBUG
+		printf("%s: extra rint\n", sc->sc_dev.dv_xname);
+#endif
+		return;
+	}
+
+	/*
+	 * Process all buffers with valid data
+	 */
+	do {
+		sc->sc_r1->aer1_rdp =  AE_RINT | AE_INEA;
+		if (rmd->rmd1 & (AE_FRAM | AE_OFLO | AE_CRC | AE_RBUFF)) {
+			ifp->if_ierrors++;
+			if ((rmd->rmd1 & (AE_OFLO | AE_ENP)) == AE_OFLO)
+				printf("%s: overflow\n", sc->sc_dev.dv_xname);
+			else if ((rmd->rmd1 & (AE_FRAM | AE_OFLO | AE_ENP)) == (AE_FRAM | AE_ENP))
+				printf("%s: framing error\n", sc->sc_dev.dv_xname);
+			else if ((rmd->rmd1 & (AE_CRC | AE_OFLO | AE_ENP)) == (AE_CRC | AE_ENP))
+				printf("%s: crc mismatch\n", sc->sc_dev.dv_xname);
+			if (rmd->rmd1 & AE_RBUFF)
+				printf("%s: receive buffer error\n", sc->sc_dev.dv_xname);
+		} else if ((rmd->rmd1 & (AE_STP | AE_ENP)) != (AE_STP | AE_ENP)) {
+			do {
+				rmd->rmd3 = 0;
+				rmd->rmd1 = AE_OWN;
+				AENEXTRMP;
+			} while ((rmd->rmd1 & (AE_OWN | AE_ERR | AE_STP | AE_ENP)) == 0);
+
+			sc->sc_rmd = bix;
+			printf("%s: chained buffer\n", sc->sc_dev.dv_xname);
+			if ((rmd->rmd1 & (AE_OWN | AE_ERR | AE_STP | AE_ENP)) != AE_ENP) {
+				aereset(sc);
+				return;
+			}
+		} else
+			aeread(sc, sc->sc_r2->aer2_rbuf[bix], SWAP(rmd->rmd3) - 4);
+
+		rmd->rmd3 = 0;
+		rmd->rmd2 = SWAP(-ETHER_MAX_LEN);
+		rmd->rmd1 = AE_OWN;
+
+		AENEXTRMP;
+	} while ((rmd->rmd1 & AE_OWN) == 0);
+
+	sc->sc_rmd = bix;
+}
+
+void
+aeread(sc, buf, len)
+	register struct ae_softc *sc;
+	u_char *buf;
+	int len;
+{
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+    	struct mbuf *m;
+	struct ether_header *eh;
+
+	if (len <= sizeof(struct ether_header) || len > ETHER_MAX_LEN) {
+		printf("%s: invalid packet size %d; dropping\n",
+			sc->sc_dev.dv_xname, len);
+		ifp->if_ierrors++;
+		return;
+	}
+
+	/* Pull packet off interface. */
+	m = aeget(sc, buf, len);
+	if (m == 0) {
+		ifp->if_ierrors++;
+		return;
+	}
+
+	ifp->if_ipackets++;
+
+	/* We assume that the header fit entirely in one mbuf. */
+	eh = mtod(m, struct ether_header *);
+
+#if NBPFILTER > 0
+	/*
+	 * Check if there's a bpf filter listening on this interface.
+	 * If so, hand off the raw packet to bpf, which must deal with
+	 * trailers in its own way.
+	 */
+	if (ifp->if_bpf) {
+		bpf_mtap(ifp->if_bpf, m);
+
+		/*
+		 * Note that the interface cannot be in promiscuous mode if
+		 * there are no bpf listeners.  And if we are in promiscuous
+		 * mode, we have to check if this packet is really ours.
+		 */
+		if ((ifp->if_flags & IFF_PROMISC) &&
+		    (eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
+		    bcmp(eh->ether_dhost, sc->sc_arpcom.ac_enaddr,
+			sizeof(eh->ether_dhost)) != 0) {
+			    m_freem(m);
+			    return;
+		    }
+	}
+#endif
+
+	/* We assume that the header fit entirely in one mbuf. */
+	m_adj(m, sizeof(struct ether_header));
+	ether_input(ifp, eh, m);
+}
+
+/*
+ *	Here come the two replacements for bcopy() and bzero() as
+ *	WORD-access for writing to the board is absolutely required!
+ *	They could use some tuning as this is time-critical (copying
+ *	packet-data) and should be processed as fast as possible.
+ *
+ *	Thanks to Michael van Elst for pointing me to the problems
+ *	that kept the 1.3 code from running under NetBSD current
+ *	although it did mystically under 1.0 ...
+ */
+
+#define isodd(p) (((size_t)(p)) &  1)
+#define align(p) ((ushort *)(((size_t)(p)) & ~1))
+
+/*
+ *	the first function copies WORD-aligned from the source to
+ *	an arbitrary destination. It assumes that the CPU can handle
+ *	mis-aligned writes to the destination itself.
+ */
+static void
+wcopyfrom(a1, a2, length) /* bcopy() word-wise */
+	char *a1, *a2;
+	int length;
+{
+	ushort i, *b1, *b2;
+
+	if (length > 0 && isodd(a1)) {
+		b1 = align(a1);
+		*a2 = *b1 & 0x00ff;	/* copy first byte with word access */
+		++a2;
+		++b1;
+		--length;
+	} else
+		b1 = (ushort *)a1;
+	b2 = (ushort *)a2;
+
+	i = length / 2;
+
+	while(i--)	/* copy all words */
+		*b2++ = *b1++;
+
+	if (length & 0x0001)	/* copy trailing byte */
+		a2[length-1] = *b1 >> 8;
+}
+
+/*
+ *	the second function copies WORD-aligned from an arbitrary
+ *	source to the destination. It assumes that the CPU can handle
+ *	mis-aligned reads from the source itself.
+ */
+static void
+wcopyto(a1, a2, length) /* bcopy() word-wise */
+	char *a1, *a2;
+	int length;
+{
+	ushort i, *b1, *b2;
+
+	if (length > 0 && isodd(a2)) {
+		b2 = align(a2);
+		i = (*b2 & 0xff00) | (*a1 & 0x00ff);	/* copy first byte with word access */
+		*b2 = i;
+		++a1;
+		++b2;
+		--length;
+	} else
+		b2 = (ushort *)a2;
+	b1 = (ushort *)a1;
+
+	i = length / 2;
+
+	while(i--)			/* copy all words */
+		*b2++ = *b1++;
+
+	if (length & 0x0001) {
+		i = (*b2 & 0x00ff) | (a1[length-1] & 0x00ff)<<8;	/* copy trailing byte */
+		*b2 = i;
+	}
+}
+
+static void
+wzero(a1, length) /* bzero() word-wise */
+	char *a1;
+	int length;
+{
+	ushort i, *b1;
+
+	/*
+	 *  Is the destination word-aligned?
+	 *  If not, handle the leading byte...
+	 */
+
+	if((length > 0) && ((size_t)a1 & 1)) {
+		b1 = (ushort *)((size_t)a1 & ~1);
+		*b1 &= 0xff00;
+		--length;
+		++a1;
+	}
+
+	/*
+	 *  Perform the main zeroing word-wise...
+	 */
+
+	b1 = (ushort *)a1;
+	i = length / 2;
+	while(i--)
+		*b1++ = 0;
+
+	/*
+	 *  Do we have to handle a trailing byte?
+	 */
+
+	if (length & 0x0001)
+		*b1 &= 0x00ff;
+}
+
+/*
+ * Routine to copy from mbuf chain to transmit
+ * buffer in board local memory. 
+ */
+int
+aeput(buffer, m)
+	register char *buffer; 
+	register struct mbuf *m;
+{
+	register struct mbuf *n;
+	register int len = 0, tlen = 0;  
+ 
+	for (; m; m = n) {
+		len = m->m_len;
+		if (len == 0) {
+			MFREE(m, n);
+			continue;
+		}
+		wcopyto(mtod(m, char *), buffer, len);
+		buffer += len;
+		tlen += len;
+		MFREE(m, n);
+	}
+ 
+	if (tlen < ETHER_MIN_LEN) {
+		wzero(buffer, ETHER_MIN_LEN - tlen);
+		tlen = ETHER_MIN_LEN;
+	}
+
+	return(tlen);
+}
+
+/*
+ * Routine to copy from board local memory into mbufs.
+ */
+struct mbuf *
+aeget(sc, buffer, totlen)
+	struct ae_softc *sc;
+	u_char *buffer;
+	int totlen;
+{
+	register struct mbuf *m;
+	struct mbuf *top, **mp;
+	int len;
+
+	MGETHDR(m, M_DONTWAIT, MT_DATA);
+	if (m == 0)
+		return (0);
+	m->m_pkthdr.rcvif = &sc->sc_arpcom.ac_if;
+	m->m_pkthdr.len = totlen;
+	len = MHLEN;
+	top = 0;
+	mp = &top;
+
+	while (totlen > 0) {
+		if (top) {
+			MGET(m, M_DONTWAIT, MT_DATA);
+			if (m == 0) {
+				m_freem(top);
+				return (0);
+			}
+			len = MLEN;
+		}
+
+		if (totlen >= MINCLSIZE) {
+			MCLGET(m, M_DONTWAIT);
+			if (m->m_flags & M_EXT)
+				len = MCLBYTES;
+		}
+		m->m_len = len = min(totlen, len);
+		wcopyfrom((caddr_t)buffer, mtod(m, caddr_t), len);
+		buffer += len;
+		totlen -= len;
+		*mp = m;
+		mp = &m->m_next;
+	}
+
+	return (top);
+}
+
+/*
+ * Process an ioctl request.
+ */
+int
+aeioctl(ifp, cmd, data)
+	register struct ifnet *ifp;
+	u_long cmd;
+	caddr_t data;
+{
+	struct ae_softc *sc = ifp->if_softc;
+	struct ifaddr *ifa = (struct ifaddr *)data;
+	struct ifreq *ifr = (struct ifreq *)data;
+	int s, error = 0;
+
+	s = splnet();
+
+	if ((error = ether_ioctl(ifp, &sc->sc_arpcom, cmd, data)) > 0) {
+		splx(s);
+		return error;
+	}
+
+	switch (cmd) {
+
+	case SIOCSIFADDR:
+		ifp->if_flags |= IFF_UP;
+
+		switch (ifa->ifa_addr->sa_family) {
+#ifdef INET
+		case AF_INET:
+			aeinit(sc);	
+			arp_ifinit(&sc->sc_arpcom, ifa);
+			break;
+#endif
+#ifdef NS
+		case AF_NS:
+		    {
+			register struct ns_addr *ina = &IA_SNS(ifa)->sns_addr;
+
+			if (ns_nullhost(*ina))
+				ina->x_host =
+				    *(union ns_host *)(sc->sc_arpcom.ac_enaddr);
+			else
+				wcopyto(ina->x_host.c_host,
+				    sc->sc_arpcom.ac_enaddr,
+				    sizeof(sc->sc_arpcom.ac_enaddr));
+			aeinit(sc); /* does ae_setaddr() */
+			break;
+		    }
+#endif
+		default:
+			aeinit(sc);
+			break;
+		}
+		break;
+
+#if defined(CCITT) && defined(LLC)
+	case SIOCSIFCONF_X25:
+		ifp->if_flags |= IFF_UP;
+		ifa->ifa_rtrequest = cons_rtrequest; /* XXX */
+		error = x25_llcglue(PRC_IFUP, ifa->ifa_addr);
+		if (error == 0)
+			aeinit(sc);
+		break;
+#endif /* CCITT && LLC */
+
+	case SIOCSIFFLAGS:
+		if ((ifp->if_flags & IFF_UP) == 0 &&
+		    (ifp->if_flags & IFF_RUNNING) != 0) {
+			/*
+			 * If interface is marked down and it is running, then
+			 * stop it.
+			 */
+			aestop(sc);
+			ifp->if_flags &= ~IFF_RUNNING;
+		} else if ((ifp->if_flags & IFF_UP) != 0 &&
+			   (ifp->if_flags & IFF_RUNNING) == 0) {
+			/*
+			 * If interface is marked up and it is stopped, then
+			 * start it.
+			 */
+			aeinit(sc);
+		} else {
+			/*
+			 * Reset the interface to pick up changes in any other
+			 * flags that affect hardware registers.
+			 */
+			aeinit(sc);
+		}
+		break;
+
+	case SIOCADDMULTI:
+	case SIOCDELMULTI:
+		error = (cmd == SIOCADDMULTI) ?
+		    ether_addmulti(ifr, &sc->sc_arpcom):
+		    ether_delmulti(ifr, &sc->sc_arpcom);
+
+		if (error == ENETRESET) {
+			/*
+			 * Multicast list has changed; set the hardware filter
+			 * accordingly.
+			 */
+			aereset(sc);
+			error = 0;
+		}
+		break;
+
+	default:
+		error = EINVAL;
+		break;
+	}
+	splx(s);
+	return (error);
+}
+
+/*
+ * Set up the logical address filter.
+ */
+void 
+aesetladrf(ac, af)
+	struct arpcom *ac;
+	u_int16_t *af;
+{
+	struct ifnet *ifp = &ac->ac_if; 
+	struct ether_multi *enm;
+	register u_char *cp, c;
+	register u_int32_t crc;
+	register int i, len;
+	struct ether_multistep step;
+
+	/*
+	 * Set up multicast address filter by passing all multicast addresses
+	 * through a crc generator, and then using the high order 6 bits as an
+	 * index into the 64 bit logical address filter.  The high order bit
+	 * selects the word, while the rest of the bits select the bit within
+	 * the word.
+	 */
+
+	if (ifp->if_flags & IFF_PROMISC)
+		goto allmulti;
+
+	af[0] = af[1] = af[2] = af[3] = 0x0000;
+	ETHER_FIRST_MULTI(step, ac, enm);
+	while (enm != NULL) {
+		if (bcmp(enm->enm_addrlo, enm->enm_addrhi,
+		    sizeof(enm->enm_addrlo)) != 0) {
+			/*
+			 * We must listen to a range of multicast addresses.
+			 * For now, just accept all multicasts, rather than
+			 * trying to set only those filter bits needed to match
+			 * the range.  (At this time, the only use of address
+			 * ranges is for IP multicast routing, for which the
+			 * range is big enough to require all bits set.)
+			 */
+			goto allmulti;
+		}
+
+		cp = enm->enm_addrlo;
+		crc = 0xffffffff;
+		for (len = sizeof(enm->enm_addrlo); --len >= 0;) {
+			c = *cp++;
+			for (i = 8; --i >= 0;) {
+				if ((crc & 0x01) ^ (c & 0x01)) {
+					crc >>= 1;
+					crc ^= 0xedb88320;
+				} else
+					crc >>= 1;
+				c >>= 1;
+			}
+		}
+		/* Just want the 6 most significant bits. */
+		crc >>= 26;
+
+		/* Turn on the corresponding bit in the filter. */
+		af[crc >> 4] |= 1 << SWAP(crc & 0x1f);
+
+		ETHER_NEXT_MULTI(step, enm);
+	}
+	ifp->if_flags &= ~IFF_ALLMULTI;
+	return;
+
+allmulti:
+	ifp->if_flags |= IFF_ALLMULTI;
+	af[0] = af[1] = af[2] = af[3] = 0xffff;
+}
diff --git a/sys/arch/amiga/dev/if_aereg.h b/sys/arch/amiga/dev/if_aereg.h
new file mode 100644
index 00000000000..54df9525422
--- /dev/null
+++ b/sys/arch/amiga/dev/if_aereg.h
@@ -0,0 +1,156 @@
+/*	$OpenBSD: if_aereg.h,v 1.4 1998/01/07 00:33:46 niklas Exp $	*/
+/*	$NetBSD: if_aereg.h,v 1.2 1995/08/18 15:53:32 chopps Exp $	*/
+
+/*
+ * Copyright (c) 1995 Bernd Ernesti and Klaus Burkert. All rights reserved.
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell and Rick Macklem.
+ *
+ * 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 Bernd Ernesti, by Klaus
+ *	Burkert, by Michael van Elst, and by the University of California,
+ *	Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)if_lereg.h	8.1 (Berkeley) 6/10/93
+ *
+ *	This is based on the original LANCE files, as the PCnet-ISA used on
+ *	the Ariadne is a LANCE-descendant optimized for the PC-ISA bus.
+ *	This causes some modifications, all data that is to go into registers
+ *	or to structures (buffer-descriptors, init-block) has to be
+ *	byte-swapped. In addition ALL write accesses to the board have to be
+ *	WORD or LONG, BYTE-access is prohibited!!
+ */
+
+#define	ETHER_MAX_LEN	1518
+#define	ETHER_MIN_LEN	64
+
+#define AERBUF		16	/* 16 receive buffers */
+#define AERBUFLOG2	4
+#define AETBUF		4	/* 4 transmit buffers */
+#define AETBUFLOG2	2
+
+#define	AE_RLEN		(AERBUFLOG2 << 13)
+#define	AE_TLEN		(AETBUFLOG2 << 13)
+
+/*
+ * PCnet-ISA registers.
+ */
+
+struct aereg1 {
+	u_int16_t aer1_rdp;	/* data port */
+	u_int16_t aer1_rap;	/* register select port */
+	u_int16_t aer1_reset;	/* reading this resets the PCnet-ISA */
+	u_int16_t aer1_idp;	/* isa configuration port */
+};
+
+struct aereg2 {
+	/* init block */
+	u_int16_t aer2_mode;		/* +0x0000 */
+	u_int16_t aer2_padr[3];		/* +0x0002 */
+	u_int16_t aer2_ladrf[4];	/* +0x0008 */
+	u_int16_t aer2_rdra;		/* +0x0010 */
+	u_int16_t aer2_rlen;		/* +0x0012 */
+	u_int16_t aer2_tdra;		/* +0x0014 */
+	u_int16_t aer2_tlen;		/* +0x0016 */
+	/* receive message descriptors */
+	struct	aermd {			/* +0x0018 */
+		u_int16_t rmd0;
+		u_int16_t rmd1;
+		int16_t   rmd2;
+		u_int16_t rmd3;
+	} aer2_rmd[AERBUF];
+	/* transmit message descriptors */
+	struct	aetmd {			/* +0x0058 */
+		u_int16_t tmd0;
+		u_int16_t tmd1;
+		int16_t   tmd2;
+		u_int16_t tmd3;
+	} aer2_tmd[AETBUF];
+	char	aer2_rbuf[AERBUF][ETHER_MAX_LEN]; /* +0x0060 */
+	char	aer2_tbuf[AETBUF][ETHER_MAX_LEN]; /* +0x2FD0 */
+};
+
+
+/*
+ * Control and status bits -- aereg1
+ */
+#define	AE_CSR0		0x0000	/* Control and status register */
+#define	AE_CSR1		0x0100	/* low address of init block */
+#define	AE_CSR2		0x0200	/* high address of init block */
+#define	AE_CSR3		0x0300	/* Bus master and control */
+
+/* Control and status register 0 (csr0) */
+#define	AE_SERR		0x0080	/* error summary */
+#define	AE_BABL		0x0040	/* transmitter timeout error */
+#define	AE_CERR		0x0020	/* collision */
+#define	AE_MISS		0x0010	/* missed a packet */
+#define	AE_MERR		0x0008	/* memory error */
+#define	AE_RINT		0x0004	/* receiver interrupt */
+#define	AE_TINT		0x0002	/* transmitter interrupt */
+#define	AE_IDON		0x0001	/* initalization done */
+#define	AE_INTR		0x8000	/* interrupt condition */
+#define	AE_INEA		0x4000	/* interrupt enable */
+#define	AE_RXON		0x2000	/* receiver on */
+#define	AE_TXON		0x1000	/* transmitter on */
+#define	AE_TDMD		0x0800	/* transmit demand */
+#define	AE_STOP		0x0400	/* disable all external activity */
+#define	AE_STRT		0x0200	/* enable external activity */
+#define	AE_INIT		0x0100	/* begin initalization */
+
+#define AE_PROM		0x0080	/* promiscuous mode */
+#define AE_MODE		0x0000
+
+/*
+ * Control and status bits -- aereg2
+ */
+#define	AE_OWN		0x0080	/* LANCE owns the packet */
+#define	AE_ERR		0x0040	/* error summary */
+#define	AE_STP		0x0002	/* start of packet */
+#define	AE_ENP		0x0001	/* end of packet */
+
+#define	AE_MORE		0x0010	/* multiple collisions */
+#define	AE_ONE		0x0008	/* single collision */
+#define	AE_DEF		0x0004	/* defferred transmit */
+
+#define	AE_FRAM		0x0020	/* framing error */
+#define	AE_OFLO		0x0010	/* overflow error */
+#define	AE_CRC		0x0008	/* CRC error */
+#define	AE_RBUFF	0x0004	/* buffer error */
+
+/* Transmit message descriptor 3 (tmd3) */
+#define	AE_TBUFF	0x0080	/* buffer error */
+#define	AE_UFLO		0x0040	/* underflow error */
+#define	AE_LCOL		0x0010	/* late collision */
+#define	AE_LCAR		0x0008	/* loss of carrier */
+#define	AE_RTRY		0x0004	/* retry error */
+#define	AE_TDR_MASK	0xff03	/* time domain reflectometry counter */
+
+#define SWAP(x) swap16(x)
+