nuke a second driver for ISA Intel EtherExpress PRO/10 cards which

came from NetBSD and has never actually been used.

1 files changed, 0 insertions, 1340 deletions

diff --git a/sys/dev/isa/if_iy.c b/sys/dev/isa/if_iy.c
deleted file mode 100644
index db4dddba6a3..00000000000
--- a/sys/dev/isa/if_iy.c
+++ /dev/null
@@ -1,1340 +0,0 @@
-/*	$OpenBSD: if_iy.c,v 1.20 2005/01/15 05:24:11 brad Exp $	*/
-/*	$NetBSD: if_iy.c,v 1.4 1996/05/12 23:52:53 mycroft Exp $	*/
-/* #define IYDEBUG */
-/* #define IYMEMDEBUG */
-/*-
- * Copyright (c) 1996 Ignatios Souvatzis.
- * 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 contains software developed by Ignatios Souvatzis for
- *	the NetBSD project.
- * 4. The names 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 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.
- */
-
-#include "bpfilter.h"
-
-#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/ioctl.h>
-#include <sys/errno.h>
-#include <sys/syslog.h>
-#include <sys/device.h>
-#include <sys/timeout.h>
-
-#include <net/if.h>
-#include <net/if_types.h>
-#include <net/if_dl.h>
-#include <net/netisr.h>
-#include <net/route.h>
-
-#if NBPFILTER > 0
-#include <net/bpf.h>
-#endif
-
-#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
-
-#include <machine/cpu.h>
-#include <machine/intr.h>
-#include <machine/pio.h>
-
-#include <dev/isa/isareg.h>
-#include <dev/isa/isavar.h>
-#include <dev/ic/i82595reg.h>
-
-/*
- * Ethernet status, per interface.
- */
-struct iy_softc {
-	struct device sc_dev;
-	void *sc_ih;
-
-	int sc_iobase;
-	struct arpcom sc_arpcom;
-	struct timeout sc_tmo;
-
-#define MAX_MBS 8
-	struct mbuf *mb[MAX_MBS];
-	int next_mb, last_mb;
-
-	int mappedirq;
-
-	int hard_vers;
-
-	int promisc;
-
-	int sram, tx_size, rx_size;
-
-	int tx_start, tx_end, tx_last;
-	int rx_start;
-
-#ifdef IYDEBUG
-	int sc_debug;
-#endif
-};
-
-void iywatchdog(struct ifnet *);
-int iyioctl(struct ifnet *, u_long, caddr_t);
-int iyintr(void *);
-void iyinit(struct iy_softc *);
-void iystop(struct iy_softc *);
-void iystart(struct ifnet *);
-
-void iy_intr_rx(struct iy_softc *);
-void iy_intr_tx(struct iy_softc *);
-void eepro_reset_595(struct iy_softc *);
-int eepro_probe(struct iy_softc *, struct isa_attach_args *);
-void eepro_eeprom_outbits(struct iy_softc *, int, int);
-void eepro_eeprom_clock(struct iy_softc *, int);
-u_short eepro_read_eeprom(struct iy_softc *, int);
-int eepro_eeprom_inbits(struct iy_softc *);
-
-void iyreset(struct iy_softc *);
-void iy_readframe(struct iy_softc *, int);
-void iy_drop_packet_buffer(struct iy_softc *);
-void iy_find_mem_size(struct iy_softc *);
-void iyrint(struct iy_softc *);
-void iytint(struct iy_softc *);
-void iyxmit(struct iy_softc *);
-void iyget(struct iy_softc *, int, int);
-void iymbuffill(void *);
-void iymbufempty(void *);
-void iyprobemem(struct iy_softc *);
-
-/*
- * void iymeminit(void *, struct iy_softc *);
- * static int iy_mc_setup(struct iy_softc *, void *);
- * static void iy_mc_reset(struct iy_softc *);
- */
-#ifdef IYDEBUGX
-void print_rbd(volatile struct iy_recv_buf_desc *);
-
-int in_ifrint = 0;
-int in_iftint = 0;
-#endif
-
-int iyprobe(struct device *, void *, void *);
-void iyattach(struct device *, struct device *, void *);
-
-static u_int16_t eepromread(int, int);
-
-struct cfattach iy_ca = {
-	sizeof(struct iy_softc), iyprobe, iyattach
-};
-
-struct cfdriver iy_cd = {
-	NULL, "iy", DV_IFNET
-};
-
-static u_int8_t eepro_irqmap[] = EEPP_INTMAP;
-static u_int8_t eepro_revirqmap[] = EEPP_RINTMAP;
-
-int
-iyprobe(parent, match, aux)
-	struct device *parent;
-	void *match, *aux;
-{
-	struct iy_softc *sc = match;
-	struct isa_attach_args *ia = aux;
-
-	u_int16_t eaddr[8];
-	int iobase;
-	int i;
-
-	u_int16_t checksum = 0;
-	u_int16_t eepromtmp;
-	u_int8_t c, d;
-
-
-	iobase = ia->ia_iobase;
-
-	if (iobase == -1)
-		return 0;
-
-	/* try to find the round robin sig: */
-
-	/* check here for addresses already given to other devices */
-
-	c = inb(iobase + ID_REG);
-	if ((c & ID_REG_MASK) != ID_REG_SIG)
-		return 0;
-
-	d = inb(iobase + ID_REG);
-	if ((d & ID_REG_MASK) != ID_REG_SIG)
-		return 0;
-
-	if (((d-c) & R_ROBIN_BITS) != 0x40)
-		return 0;
-
-	d = inb(iobase + ID_REG);
-	if ((d & ID_REG_MASK) != ID_REG_SIG)
-		return 0;
-
-	if (((d-c) & R_ROBIN_BITS) != 0x80)
-		return 0;
-
-	d = inb(iobase + ID_REG);
-	if ((d & ID_REG_MASK) != ID_REG_SIG)
-		return 0;
-
-	if (((d-c) & R_ROBIN_BITS) != 0xC0)
-		return 0;
-
-	d = inb(iobase + ID_REG);
-	if ((d & ID_REG_MASK) != ID_REG_SIG)
-		return 0;
-
-	if (((d-c) & R_ROBIN_BITS) != 0x00)
-		return 0;
-
-#ifdef IYDEBUG
-		printf("eepro_probe verified working ID reg.\n");
-#endif
-
-	for (i=0; i<64; ++i) {
-		eepromtmp = eepromread(iobase, i);
-		checksum += eepromtmp;
-		if (i<(sizeof(eaddr)/sizeof(*eaddr)))
-			eaddr[i] = eepromtmp;
-	}
-	if (checksum != EEPP_CHKSUM)
-		printf("wrong EEPROM checksum 0x%x should be 0x%x\n",
-		    checksum, EEPP_CHKSUM);
-
-
-	if ((eaddr[EEPPEther0] != eepromread(iobase, EEPPEther0a)) &&
-	    (eaddr[EEPPEther1] != eepromread(iobase, EEPPEther1a)) &&
-	    (eaddr[EEPPEther2] != eepromread(iobase, EEPPEther2a)))
-		printf("EEPROM Ethernet address differs from copy\n");
-
-	sc->sc_arpcom.ac_enaddr[1] = eaddr[EEPPEther0] & 0xFF;
-	sc->sc_arpcom.ac_enaddr[0] = eaddr[EEPPEther0] >> 8;
-	sc->sc_arpcom.ac_enaddr[3] = eaddr[EEPPEther1] & 0xFF;
-	sc->sc_arpcom.ac_enaddr[2] = eaddr[EEPPEther1] >> 8;
-	sc->sc_arpcom.ac_enaddr[5] = eaddr[EEPPEther2] & 0xFF;
-	sc->sc_arpcom.ac_enaddr[4] = eaddr[EEPPEther2] >> 8;
-
-	if (ia->ia_irq == IRQUNK)
-		ia->ia_irq = eepro_irqmap[eaddr[EEPPW1] & EEPP_Int];
-
-	if (ia->ia_irq >= sizeof(eepro_revirqmap))
-		return 0;
-
-	if ((sc->mappedirq = eepro_revirqmap[ia->ia_irq]) == -1)
-		return 0;
-
-	sc->hard_vers = eaddr[EEPW6] & EEPP_BoardRev;
-
-	/* now lets reset the chip */
-
-	outb(iobase + COMMAND_REG, RESET_CMD);
-	delay(200);
-
-	ia->ia_iobase = iobase;
-	ia->ia_iosize = 16;
-	return 1;		/* found */
-}
-
-void
-iyattach(parent, self, aux)
-	struct device *parent, *self;
-	void *aux;
-{
-	struct iy_softc *sc = (void *)self;
-	struct isa_attach_args *ia = aux;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-
-	bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
-	ifp->if_softc = sc;
-	ifp->if_start = iystart;
-	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS;
-					/* XXX todo: | IFF_MULTICAST */
-	sc->sc_iobase = ia->ia_iobase;
-
-	iyprobemem(sc);
-
-	ifp->if_ioctl = iyioctl;
-	ifp->if_watchdog = iywatchdog;
-	IFQ_SET_READY(&ifp->if_snd);
-
-	/* Attach the interface. */
-	if_attach(ifp);
-	ether_ifattach(ifp);
-	printf(": address %s, chip rev. %d, %d kB SRAM\n",
-	    ether_sprintf(sc->sc_arpcom.ac_enaddr),
-	    sc->hard_vers, sc->sram/1024);
-
-	timeout_set(&sc->sc_tmo, iymbuffill, sc);
-	sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
-	    IPL_NET, iyintr, sc, sc->sc_dev.dv_xname);
-}
-
-void
-iystop(sc)
-struct iy_softc *sc;
-{
-	int iobase;
-#ifdef IYDEBUG
-	u_int p, v;
-#endif
-
-	iobase = sc->sc_iobase;
-
-	outb(iobase + COMMAND_REG, RCV_DISABLE_CMD);
-
-	outb(iobase + INT_MASK_REG, ALL_INTS);
-	outb(iobase + STATUS_REG, ALL_INTS);
-
-	outb(iobase + COMMAND_REG, RESET_CMD);
-	delay(200);
-#ifdef IYDEBUG
-	printf("%s: dumping tx chain (st 0x%x end 0x%x last 0x%x)\n",
-		    sc->sc_dev.dv_xname, sc->tx_start, sc->tx_end, sc->tx_last);
-	p = sc->tx_last;
-	if (!p)
-		p = sc->tx_start;
-	do {
-		outw(iobase + HOST_ADDR_REG, p);
-		v = inw(iobase + MEM_PORT_REG);
-		printf("0x%04x: %b ", p, v, "\020\006Ab\010Dn");
-		v = inw(iobase + MEM_PORT_REG);
-		printf("0x%b", v, "\020\6MAX_COL\7HRT_BEAT\010TX_DEF\011UND_RUN\012JERR\013LST_CRS\014LTCOL\016TX_OK\020COLL");
-		p = inw(iobase + MEM_PORT_REG);
-		printf(" 0x%04x", p);
-		v = inw(iobase + MEM_PORT_REG);
-		printf(" 0x%b\n", v, "\020\020Ch");
-
-	} while (v & 0x8000);
-#endif
-	sc->tx_start = sc->tx_end = sc->rx_size;
-	sc->tx_last = 0;
-	sc->sc_arpcom.ac_if.if_flags &= ~(IFF_RUNNING|IFF_OACTIVE);
-
-	iymbufempty((void *)sc);
-}
-
-void
-iyreset(sc)
-struct iy_softc *sc;
-{
-	int s;
-	s = splimp();
-	iystop(sc);
-	iyinit(sc);
-	splx(s);
-}
-
-void
-iyinit(sc)
-struct iy_softc *sc;
-{
-	int i;
-	unsigned temp;
-	struct ifnet *ifp;
-	int iobase;
-
-	ifp = &sc->sc_arpcom.ac_if;
-#ifdef IYDEBUG
-	printf("ifp is %p\n", ifp);
-#endif
-	iobase = sc->sc_iobase;
-
-	outb(iobase, BANK_SEL(2));
-
-	temp = inb(iobase + EEPROM_REG);
-	if (temp & 0x10)
-		outb(iobase + EEPROM_REG, temp & ~0x10);
-
-	for (i=0; i<6; ++i) {
-		outb(iobase + I_ADD(i), sc->sc_arpcom.ac_enaddr[i]);
-	}
-
-	temp = inb(iobase + REG1);
-	outb(iobase + REG1, temp | XMT_CHAIN_INT | XMT_CHAIN_ERRSTOP |
-	    RCV_DISCARD_BAD);
-
-	temp = inb(iobase + RECV_MODES_REG);
-	outb(iobase + RECV_MODES_REG, temp | MATCH_BRDCST);
-#ifdef IYDEBUG
-	printf("%s: RECV_MODES were %b set to %b\n",
-	    sc->sc_dev.dv_xname,
-	    temp, "\020\1PRMSC\2NOBRDST\3SEECRC\4LENGTH\5NOSaIns\6MultiIA",
-	    temp|MATCH_BRDCST,
-	    "\020\1PRMSC\2NOBRDST\3SEECRC\4LENGTH\5NOSaIns\6MultiIA");
-#endif
-
-
-	DELAY(500000); /* for the hardware to test for the connector */
-
-	temp = inb(iobase + MEDIA_SELECT);
-#ifdef IYDEBUG
-	printf("%s: media select was 0x%b", sc->sc_dev.dv_xname,
-	    temp, "\020\1LnkInDis\2PolCor\3TPE\4JabberDis\5NoAport\6BNC");
-#endif
-	temp = (temp & TEST_MODE_MASK) /* | BNC_BIT XXX*/;
-	outb(iobase + MEDIA_SELECT, temp);
-#ifdef IYDEBUG
-	printf("changed to 0x%b\n",
-	    temp, "\020\1LnkInDis\2PolCor\3TPE\4JabberDis\5NoAport\6BNC");
-#endif
-
-	outb(iobase, BANK_SEL(1));
-
-	temp = inb(iobase + INT_NO_REG);
-	outb(iobase + INT_NO_REG, (temp & 0xf8) | sc->mappedirq);
-
-#ifdef IYDEBUG
-	printf("%s: int no was %b\n", sc->sc_dev.dv_xname,
-	    temp, "\020\4bad_irq\010flash/boot present");
-	temp = inb(iobase + INT_NO_REG);
-	printf("%s: int no now 0x%02x\n", sc->sc_dev.dv_xname,
-	    temp, "\020\4BAD IRQ\010flash/boot present");
-#endif
-
-
-	outb(iobase + RCV_LOWER_LIMIT_REG, 0);
-	outb(iobase + RCV_UPPER_LIMIT_REG, (sc->rx_size - 2) >> 8);
-	outb(iobase + XMT_LOWER_LIMIT_REG, sc->rx_size >> 8);
-	outb(iobase + XMT_UPPER_LIMIT_REG, sc->sram >> 8);
-
-	temp = inb(iobase + REG1);
-#ifdef IYDEBUG
-	printf("%s: HW access is %b\n", sc->sc_dev.dv_xname,
-	    temp, "\020\2WORD_WIDTH\010INT_ENABLE");
-#endif
-	outb(iobase + REG1, temp | INT_ENABLE); /* XXX what about WORD_WIDTH? */
-
-#ifdef IYDEBUG
-	temp = inb(iobase + REG1);
-	printf("%s: HW access is %b\n", sc->sc_dev.dv_xname,
-	    temp, "\020\2WORD_WIDTH\010INT_ENABLE");
-#endif
-
-	outb(iobase, BANK_SEL(0));
-
-	outb(iobase + INT_MASK_REG, ALL_INTS & ~(RX_BIT|TX_BIT));
-	outb(iobase + STATUS_REG, ALL_INTS); /* clear ints */
-
-	outw(iobase + RCV_START_LOW, 0);
-	outw(iobase + RCV_STOP_LOW,  sc->rx_size - 2);
-	sc->rx_start = 0;
-
-	outb(iobase, SEL_RESET_CMD);
-	DELAY(200);
-
-	outw(iobase + XMT_ADDR_REG, sc->rx_size);
-
-	sc->tx_start = sc->tx_end = sc->rx_size;
-	sc->tx_last = 0;
-
-	outb(iobase, RCV_ENABLE_CMD);
-
-	ifp->if_flags |= IFF_RUNNING;
-	ifp->if_flags &= ~IFF_OACTIVE;
-}
-
-void
-iystart(ifp)
-struct ifnet *ifp;
-{
-	struct iy_softc *sc;
-	int iobase;
-
-	struct mbuf *m0, *m;
-	u_int len, pad, last, end;
-	u_int llen, residual;
-	int avail;
-	caddr_t data;
-	u_int16_t resval, stat;
-
-#ifdef IYDEBUG
-	printf("iystart called\n");
-#endif
-	if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
-		return;
-
-	sc = ifp->if_softc;
-	iobase = sc->sc_iobase;
-
-	while (1) {
-		IFQ_POLL(&ifp->if_snd, m0);
-		if (m0 == NULL)
-			break;
-#ifdef IYDEBUG
-		printf("%s: trying to write another packet to the hardware\n",
-		    sc->sc_dev.dv_xname);
-#endif
-
-		/* We need to use m->m_pkthdr.len, so require the header */
-		if ((m0->m_flags & M_PKTHDR) == 0)
-			panic("iystart: no header mbuf");
-
-		len = m0->m_pkthdr.len;
-		pad = len & 1;
-
-#ifdef IYDEBUG
-		printf("%s: length is %d.\n", sc->sc_dev.dv_xname, len);
-#endif
-		if (len < ETHER_MIN_LEN) {
-			pad = ETHER_MIN_LEN - len;
-		}
-
-		if (len + pad > ETHER_MAX_LEN) {
-			/* packet is obviously too large: toss it */
-			++ifp->if_oerrors;
-			IFQ_DEQUEUE(&ifp->if_snd, m0);
-			m_freem(m0);
-			continue;
-		}
-
-#if NBPFILTER > 0
-		if (ifp->if_bpf)
-			bpf_mtap(ifp->if_bpf, m0);
-#endif
-
-		avail = sc->tx_start - sc->tx_end;
-		if (avail <= 0)
-			avail += sc->tx_size;
-
-#ifdef IYDEBUG
-		printf("%s: avail is %d.\n", sc->sc_dev.dv_xname, avail);
-#endif
-		/*
-		 * we MUST RUN at splnet here  ---
-		 * XXX todo: or even turn off the boards ints ??? hm...
-		 */
-
-		/* See if there is room to put another packet in the buffer. */
-
-		if ((len+pad+2*I595_XMT_HDRLEN) > avail) {
-			printf("%s: len = %d, avail = %d, setting OACTIVE\n",
-			    sc->sc_dev.dv_xname, len, avail);
-			ifp->if_flags |= IFF_OACTIVE;
-			return;
-		}
-
-		/* we know it fits in the hardware now, so dequeue it */
-		IFQ_DEQUEUE(&ifp->if_snd, m0);
-
-		last = sc->tx_end;
-		end = last + pad + len + I595_XMT_HDRLEN;
-
-		if (end >= sc->sram) {
-			if ((sc->sram - last) <= I595_XMT_HDRLEN) {
-				/* keep header in one piece */
-				last = sc->rx_size;
-				end = last + pad + len + I595_XMT_HDRLEN;
-			} else
-				end -= sc->tx_size;
-		}
-
-		outw(iobase + HOST_ADDR_REG, last);
-		outw(iobase + MEM_PORT_REG, XMT_CMD);
-		outw(iobase + MEM_PORT_REG, 0);
-		outw(iobase + MEM_PORT_REG, 0);
-		outw(iobase + MEM_PORT_REG, len + pad);
-
-		residual = resval = 0;
-
-		while ((m = m0)!=0) {
-			data = mtod(m, caddr_t);
-			llen = m->m_len;
-			if (residual) {
-#ifdef IYDEBUG
-				printf("%s: merging residual with next mbuf.\n",
-				    sc->sc_dev.dv_xname);
-#endif
-				resval |= *data << 8;
-				outw(iobase + MEM_PORT_REG, resval);
-				--llen;
-				++data;
-			}
-			if (llen > 1)
-				outsw(iobase + MEM_PORT_REG, data, llen>>1);
-			residual = llen & 1;
-			if (residual) {
-				resval = *(data + llen - 1);
-#ifdef IYDEBUG
-				printf("%s: got odd mbuf to send.\n",
-				    sc->sc_dev.dv_xname);
-#endif
-			}
-
-			MFREE(m, m0);
-		}
-
-		if (residual)
-			outw(iobase + MEM_PORT_REG, resval);
-
-		pad >>= 1;
-		while (pad-- > 0)
-			outw(iobase + MEM_PORT_REG, 0);
-
-#ifdef IYDEBUG
-		printf("%s: new last = 0x%x, end = 0x%x.\n",
-		    sc->sc_dev.dv_xname, last, end);
-		printf("%s: old start = 0x%x, end = 0x%x, last = 0x%x\n",
-		    sc->sc_dev.dv_xname, sc->tx_start, sc->tx_end, sc->tx_last);
-#endif
-
-		if (sc->tx_start != sc->tx_end) {
-			outw(iobase + HOST_ADDR_REG, sc->tx_last + XMT_COUNT);
-			stat = inw(iobase + MEM_PORT_REG);
-
-			outw(iobase + HOST_ADDR_REG, sc->tx_last + XMT_CHAIN);
-			outw(iobase + MEM_PORT_REG, last);
-			outw(iobase + MEM_PORT_REG, stat | CHAIN);
-#ifdef IYDEBUG
-			printf("%s: setting 0x%x to 0x%x\n",
-			    sc->sc_dev.dv_xname, sc->tx_last + XMT_COUNT,
-			    stat | CHAIN);
-#endif
-		}
-		stat = inw(iobase + MEM_PORT_REG); /* dummy read */
-
-		/* XXX todo: enable ints here if disabled */
-
-		++ifp->if_opackets;
-
-		if (sc->tx_start == sc->tx_end) {
-			outw(iobase + XMT_ADDR_REG, last);
-			outb(iobase, XMT_CMD);
-			sc->tx_start = last;
-#ifdef IYDEBUG
-			printf("%s: writing 0x%x to XAR and giving XCMD\n",
-			    sc->sc_dev.dv_xname, last);
-#endif
-		} else {
-			outb(iobase, RESUME_XMT_CMD);
-#ifdef IYDEBUG
-			printf("%s: giving RESUME_XCMD\n",
-			    sc->sc_dev.dv_xname);
-#endif
-		}
-		sc->tx_last = last;
-		sc->tx_end = end;
-	}
-}
-
-
-static __inline void
-eepromwritebit(int eio, int what)
-{
-	outb(eio, what);
-	delay(1);
-	outb(eio, what|EESK);
-	delay(1);
-	outb(eio, what);
-	delay(1);
-}
-
-static __inline int
-eepromreadbit(int eio)
-{
-	int b;
-
-	outb(eio, EECS|EESK);
-	delay(1);
-	b = inb(eio);
-	outb(eio, EECS);
-	delay(1);
-
-	return ((b & EEDO) != 0);
-}
-
-static u_int16_t
-eepromread(io, offset)
-	int io, offset;
-{
-	volatile int i;
-	volatile int j;
-	volatile u_int16_t readval;
-	int eio = io+EEPROM_REG;
-
-	outb(io, BANK_SEL(2));
-	delay(1);
-	outb(io, EECS);
-	delay(1);
-
-	eepromwritebit(eio, EECS|EEDI);
-	eepromwritebit(eio, EECS|EEDI);
-	eepromwritebit(eio, EECS);
-
-	for (j=5; j>=0; --j) {
-		if ((offset>>j) & 1)
-			eepromwritebit(eio, EECS|EEDI);
-		else
-			eepromwritebit(eio, EECS);
-	}
-
-	for (readval=0, i=0; i<16; ++i) {
-		readval<<=1;
-		readval |= eepromreadbit(eio);
-	}
-
-	outb(eio, 0|EESK);
-	delay(1);
-	outb(eio, 0);
-
-	outb(eio, BANK_SEL(0));
-
-	return readval;
-}
-
-/*
- * Device timeout/watchdog routine.  Entered if the device neglects to generate
- * an interrupt after a transmit has been started on it.
- */
-void
-iywatchdog(ifp)
-	struct ifnet *ifp;
-{
-	struct iy_softc *sc = ifp->if_softc;
-
-	log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname);
-	++sc->sc_arpcom.ac_if.if_oerrors;
-	iyreset(sc);
-}
-
-/*
- * What to do upon receipt of an interrupt.
- */
-int
-iyintr(arg)
-	void *arg;
-{
-	struct iy_softc *sc = arg;
-	int iobase;
-	register u_short status;
-
-	iobase = sc->sc_iobase;
-	status = inb(iobase + STATUS_REG);
-#ifdef IYDEBUG
-	if (status & ALL_INTS) {
-		printf("%s: got interrupt %b", sc->sc_dev.dv_xname, status,
-		    "\020\1RX_STP\2RX\3TX\4EXEC");
-		if (status & EXEC_INT)
-			printf(" event %b\n", inb(iobase),
-			    "\020\6ABORT");
-		else
-			printf("\n");
-	}
-#endif
-	if ((status & (RX_INT | TX_INT)) == 0)
-		return 0;
-
-	if (status & RX_INT) {
-		iy_intr_rx(sc);
-		outb(iobase + STATUS_REG, RX_INT);
-	} else if (status & TX_INT) {
-		iy_intr_tx(sc);
-		outb(iobase + STATUS_REG, TX_INT);
-	}
-	return 1;
-}
-
-void
-iyget(sc, iobase, rxlen)
-struct iy_softc *sc;
-int iobase, rxlen;
-{
-	struct mbuf *m, *top, **mp;
-	struct ifnet *ifp;
-	int len;
-
-	ifp = &sc->sc_arpcom.ac_if;
-
-	m = sc->mb[sc->next_mb];
-	sc->mb[sc->next_mb] = 0;
-	if (m == 0) {
-		MGETHDR(m, M_DONTWAIT, MT_DATA);
-		if (m == 0)
-			goto dropped;
-	} else {
-		if (sc->last_mb == sc->next_mb)
-			timeout_add(&sc->sc_tmo, 1);
-		sc->next_mb = (sc->next_mb + 1) % MAX_MBS;
-		m->m_data = m->m_pktdat;
-		m->m_flags = M_PKTHDR;
-		m_tag_init(m);
-	}
-	m->m_pkthdr.rcvif = ifp;
-	m->m_pkthdr.len = rxlen;
-	len = MHLEN;
-	top = 0;
-	mp = &top;
-
-	while (rxlen > 0) {
-		if (top) {
-			m = sc->mb[sc->next_mb];
-			sc->mb[sc->next_mb] = 0;
-			if (m == 0) {
-				MGET(m, M_DONTWAIT, MT_DATA);
-				if (m == 0) {
-					m_freem(top);
-					goto dropped;
-				}
-			} else {
-				sc->next_mb = (sc->next_mb + 1) % MAX_MBS;
-			}
-			len = MLEN;
-		}
-		if (rxlen >= MINCLSIZE) {
-			MCLGET(m, M_DONTWAIT);
-			if (m->m_flags & M_EXT)
-				len = MCLBYTES;
-		}
-		len = min(rxlen, len);
-		if (len > 1) {
-			len &= ~1;
-			insw(iobase + MEM_PORT_REG, mtod(m, caddr_t), len/2);
-		} else {
-#ifdef IYDEBUG
-			printf("%s: received odd mbuf\n", sc->sc_dev.dv_xname);
-#endif
-			*(mtod(m, caddr_t)) = inw(iobase + MEM_PORT_REG);
-		}
-		m->m_len = len;
-		rxlen -= len;
-		*mp = m;
-		mp = &m->m_next;
-	}
-	/* XXX receive the top here */
-	++ifp->if_ipackets;
-
-#if NBPFILTER > 0
-	if (ifp->if_bpf)
-		bpf_mtap(ifp->if_bpf, top);
-#endif
-	ether_input_mbuf(ifp, top);
-	return;
-
-dropped:
-	++ifp->if_ierrors;
-	return;
-}
-void
-iy_intr_rx(sc)
-struct iy_softc *sc;
-{
-	struct ifnet *ifp;
-	int iobase;
-	u_int rxadrs, rxevnt, rxstatus, rxnext, rxlen;
-
-	iobase = sc->sc_iobase;
-	ifp = &sc->sc_arpcom.ac_if;
-
-	rxadrs = sc->rx_start;
-	outw(iobase + HOST_ADDR_REG, rxadrs);
-	rxevnt = inw(iobase + MEM_PORT_REG);
-	rxnext = 0;
-
-	while (rxevnt == RCV_DONE) {
-		rxstatus = inw(iobase + MEM_PORT_REG);
-		rxnext = inw(iobase + MEM_PORT_REG);
-		rxlen = inw(iobase + MEM_PORT_REG);
-#ifdef IYDEBUG
-		printf("%s: pck at 0x%04x stat %b next 0x%x len 0x%x\n",
-		    sc->sc_dev.dv_xname, rxadrs, rxstatus,
-		    "\020\1RCLD\2IA_MCH\010SHORT\011OVRN\013ALGERR"
-		    "\014CRCERR\015LENERR\016RCVOK\020TYP",
-		    rxnext, rxlen);
-#endif
-		iyget(sc, iobase, rxlen);
-
-		/* move stop address */
-		outw(iobase + RCV_STOP_LOW,
-			    rxnext == 0 ? sc->rx_size - 2 : rxnext - 2);
-
-		outw(iobase + HOST_ADDR_REG, rxnext);
-		rxadrs = rxnext;
-		rxevnt = inw(iobase + MEM_PORT_REG);
-	}
-	sc->rx_start = rxnext;
-}
-
-void
-iy_intr_tx(sc)
-struct iy_softc *sc;
-{
-	int iobase;
-	struct ifnet *ifp;
-	u_int txstatus, txstat2, txlen, txnext;
-
-	ifp = &sc->sc_arpcom.ac_if;
-	iobase = sc->sc_iobase;
-
-	while (sc->tx_start != sc->tx_end) {
-		outw(iobase + HOST_ADDR_REG, sc->tx_start);
-		txstatus = inw(iobase + MEM_PORT_REG);
-		if ((txstatus & (TX_DONE|CMD_MASK)) != (TX_DONE|XMT_CMD))
-			break;
-
-		txstat2 = inw(iobase + MEM_PORT_REG);
-		txnext = inw(iobase + MEM_PORT_REG);
-		txlen = inw(iobase + MEM_PORT_REG);
-#ifdef IYDEBUG
-		printf("txstat 0x%x stat2 0x%b next 0x%x len 0x%x\n",
-		    txstatus, txstat2, "\020\6MAX_COL\7HRT_BEAT\010TX_DEF"
-		    "\011UND_RUN\012JERR\013LST_CRS\014LTCOL\016TX_OK\020COLL",
-			txnext, txlen);
-#endif
-		if (txlen & CHAIN)
-			sc->tx_start = txnext;
-		else
-			sc->tx_start = sc->tx_end;
-		ifp->if_flags &= ~IFF_OACTIVE;
-
-		if ((txstat2 & 0x2000) == 0)
-			++ifp->if_oerrors;
-		if (txstat2 & 0x000f)
-			ifp->if_oerrors += txstat2 & 0x000f;
-	}
-	ifp->if_flags &= ~IFF_OACTIVE;
-}
-
-#if 0
-/*
- * Compare two Ether/802 addresses for equality, inlined and unrolled for
- * speed.  I'd love to have an inline assembler version of this...
- */
-static inline int
-ether_equal(one, two)
-	u_char *one, *two;
-{
-
-	if (one[0] != two[0] || one[1] != two[1] || one[2] != two[2] ||
-	    one[3] != two[3] || one[4] != two[4] || one[5] != two[5])
-		return 0;
-	return 1;
-}
-
-/*
- * Check for a valid address.  to_bpf is filled in with one of the following:
- *   0 -> BPF doesn't get this packet
- *   1 -> BPF does get this packet
- *   2 -> BPF does get this packet, but we don't
- * Return value is true if the packet is for us, and false otherwise.
- *
- * This routine is a mess, but it's also critical that it be as fast
- * as possible.  It could be made cleaner if we can assume that the
- * only client which will fiddle with IFF_PROMISC is BPF.  This is
- * probably a good assumption, but we do not make it here.  (Yet.)
- */
-static inline int
-check_eh(sc, eh, to_bpf)
-	struct iy_softc *sc;
-	struct ether_header *eh;
-	int *to_bpf;
-{
-	int i;
-
-	switch (sc->promisc) {
-	case IFF_ALLMULTI:
-		/*
-		 * Receiving all multicasts, but no unicasts except those
-		 * destined for us.
-		 */
-#if NBPFILTER > 0
-		*to_bpf = (sc->sc_arpcom.ac_if.iy_bpf != 0); /* BPF gets this packet if anybody cares */
-#endif
-		if (eh->ether_dhost[0] & 1)
-			return 1;
-		if (ether_equal(eh->ether_dhost, sc->sc_arpcom.ac_enaddr))
-			return 1;
-		return 0;
-
-	case IFF_PROMISC:
-		/*
-		 * Receiving all packets.  These need to be passed on to BPF.
-		 */
-#if NBPFILTER > 0
-		*to_bpf = (sc->sc_arpcom.ac_if.iy_bpf != 0);
-#endif
-		/* If for us, accept and hand up to BPF */
-		if (ether_equal(eh->ether_dhost, sc->sc_arpcom.ac_enaddr))
-			return 1;
-
-#if NBPFILTER > 0
-		if (*to_bpf)
-			*to_bpf = 2; /* we don't need to see it */
-#endif
-
-		/*
-		 * Not a multicast, so BPF wants to see it but we don't.
-		 */
-		if (!(eh->ether_dhost[0] & 1))
-			return 1;
-
-		/*
-		 * If it's one of our multicast groups, accept it and pass it
-		 * up.
-		 */
-		for (i = 0; i < sc->mcast_count; i++) {
-			if (ether_equal(eh->ether_dhost, (u_char *)&sc->mcast_addrs[i])) {
-#if NBPFILTER > 0
-				if (*to_bpf)
-					*to_bpf = 1;
-#endif
-				return 1;
-			}
-		}
-		return 1;
-
-	case IFF_ALLMULTI | IFF_PROMISC:
-		/*
-		 * Acting as a multicast router, and BPF running at the same
-		 * time.  Whew!  (Hope this is a fast machine...)
-		 */
-#if NBPFILTER > 0
-		*to_bpf = (sc->sc_arpcom.ac_if.iy_bpf != 0);
-#endif
-		/* We want to see multicasts. */
-		if (eh->ether_dhost[0] & 1)
-			return 1;
-
-		/* We want to see our own packets */
-		if (ether_equal(eh->ether_dhost, sc->sc_arpcom.ac_enaddr))
-			return 1;
-
-		/* Anything else goes to BPF but nothing else. */
-#if NBPFILTER > 0
-		if (*to_bpf)
-			*to_bpf = 2;
-#endif
-		return 1;
-
-	case 0:
-		/*
-		 * Only accept unicast packets destined for us, or multicasts
-		 * for groups that we belong to.  For now, we assume that the
-		 * '586 will only return packets that we asked it for.  This
-		 * isn't strictly true (it uses hashing for the multicast
-		 * filter), but it will do in this case, and we want to get out
-		 * of here as quickly as possible.
-		 */
-#if NBPFILTER > 0
-		*to_bpf = (sc->sc_arpcom.ac_if.iy_bpf != 0);
-#endif
-		return 1;
-	}
-
-#ifdef DIAGNOSTIC
-	panic("check_eh: impossible");
-#endif
-}
-#endif
-
-int
-iyioctl(ifp, cmd, data)
-	register struct ifnet *ifp;
-	u_long cmd;
-	caddr_t data;
-{
-	struct iy_softc *sc;
-	struct ifaddr *ifa;
-	struct ifreq *ifr;
-	int s, error = 0;
-
-	sc = ifp->if_softc;
-	ifa = (struct ifaddr *)data;
-	ifr = (struct ifreq *)data;
-
-#ifdef IYDEBUG
-	printf("iyioctl called with ifp 0x%p (%s) cmd 0x%x data 0x%p\n",
-	    ifp, ifp->if_xname, cmd, data);
-#endif
-
-	s = splimp();
-
-	switch (cmd) {
-
-	case SIOCSIFADDR:
-		ifp->if_flags |= IFF_UP;
-
-		switch (ifa->ifa_addr->sa_family) {
-#ifdef INET
-		case AF_INET:
-			iyinit(sc);
-			arp_ifinit(&sc->sc_arpcom, ifa);
-			break;
-#endif
-#ifdef NS
-		/* XXX - This code is probably wrong. */
-		case AF_NS:
-		    {
-			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
-				bcopy(ina->x_host.c_host,
-				    sc->sc_arpcom.ac_enaddr,
-				    sizeof(sc->sc_arpcom.ac_enaddr));
-			/* Set new address. */
-			iyinit(sc);
-			break;
-		    }
-#endif /* NS */
-		default:
-			iyinit(sc);
-			break;
-		}
-		break;
-
-	case SIOCSIFFLAGS:
-		sc->promisc = ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
-		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.
-			 */
-			iystop(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.
-			 */
-			iyinit(sc);
-		} else {
-			/*
-			 * Reset the interface to pick up changes in any other
-			 * flags that affect hardware registers.
-			 */
-			iystop(sc);
-			iyinit(sc);
-		}
-#ifdef IYDEBUGX
-		if (ifp->if_flags & IFF_DEBUG)
-			sc->sc_debug = IFY_ALL;
-		else
-			sc->sc_debug = 0;
-#endif
-		break;
-
-#if 0 /* XXX */
-	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.
-			 */
-			if (ifp->if_flags & IFF_RUNNING)
-				iy_mc_reset(sc); /* XXX */
-			error = 0;
-		}
-		break;
-#endif
-	default:
-		error = EINVAL;
-	}
-	splx(s);
-	return error;
-}
-
-#if 0
-static void
-iy_mc_reset(sc)
-	struct iy_softc *sc;
-{
-	struct ether_multi *enm;
-	struct ether_multistep step;
-
-	/*
-	 * Step through the list of addresses.
-	 */
-	sc->mcast_count = 0;
-	ETHER_FIRST_MULTI(step, &sc->sc_arpcom, enm);
-	while (enm) {
-		if (sc->mcast_count >= MAXMCAST ||
-		    bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) != 0) {
-			sc->sc_arpcom.ac_if.if_flags |= IFF_ALLMULTI;
-			iyioctl(&sc->sc_arpcom.ac_if, SIOCSIFFLAGS, (void *)0);
-			goto setflag;
-		}
-
-		bcopy(enm->enm_addrlo, &sc->mcast_addrs[sc->mcast_count], 6);
-		sc->mcast_count++;
-		ETHER_NEXT_MULTI(step, enm);
-	}
-	setflag:
-	sc->want_mcsetup = 1;
-}
-
-#ifdef IYDEBUG
-void
-print_rbd(rbd)
-	volatile struct ie_recv_buf_desc *rbd;
-{
-
-	printf("RBD at %08lx:\nactual %04x, next %04x, buffer %08x\n"
-	    "length %04x, mbz %04x\n", (u_long)rbd, rbd->ie_rbd_actual,
-	    rbd->ie_rbd_next, rbd->ie_rbd_buffer, rbd->ie_rbd_length,
-	    rbd->mbz);
-}
-#endif
-#endif
-
-void
-iymbuffill(arg)
-	void *arg;
-{
-	struct iy_softc *sc = (struct iy_softc *)arg;
-	int s, i;
-
-	s = splimp();
-	i = sc->last_mb;
-	do {
-		if (sc->mb[i] == NULL)
-			MGET(sc->mb[i], M_DONTWAIT, MT_DATA);
-		if (sc->mb[i] == NULL)
-			break;
-		i = (i + 1) % MAX_MBS;
-	} while (i != sc->next_mb);
-	sc->last_mb = i;
-	/* If the queue was not filled, try again. */
-	if (sc->last_mb != sc->next_mb)
-		timeout_add(&sc->sc_tmo, 1);
-	splx(s);
-}
-
-
-void
-iymbufempty(arg)
-	void *arg;
-{
-	struct iy_softc *sc = (struct iy_softc *)arg;
-	int s, i;
-
-	s = splimp();
-	for (i = 0; i<MAX_MBS; i++) {
-		if (sc->mb[i]) {
-			m_freem(sc->mb[i]);
-			sc->mb[i] = NULL;
-		}
-	}
-	sc->last_mb = sc->next_mb = 0;
-	timeout_del(&sc->sc_tmo);
-	splx(s);
-}
-
-void
-iyprobemem(sc)
-	struct iy_softc *sc;
-{
-	int iobase;
-	int testing;
-
-	iobase = sc->sc_iobase;
-
-	outw(iobase + HOST_ADDR_REG, 4096-2);
-	outw(iobase + MEM_PORT_REG, 0);
-
-	for (testing=65536; testing >= 4096; testing >>= 1) {
-		outw(iobase + HOST_ADDR_REG, testing-2);
-		outw(iobase + MEM_PORT_REG, 0xdead);
-		outw(iobase + HOST_ADDR_REG, testing-2);
-		if (inw(iobase + MEM_PORT_REG) != 0xdead) {
-#ifdef IYMEMDEBUG
-			printf("%s: Didn't keep 0xdead at 0x%x\n",
-			    sc->sc_dev.dv_xname, testing-2);
-#endif
-			continue;
-		}
-
-		outw(iobase + HOST_ADDR_REG, testing-2);
-		outw(iobase + MEM_PORT_REG, 0xbeef);
-		outw(iobase + HOST_ADDR_REG, testing-2);
-		if (inw(iobase + MEM_PORT_REG) != 0xbeef) {
-#ifdef IYMEMDEBUG
-			printf("%s: Didn't keep 0xbeef at 0x%x\n",
-			    sc->sc_dev.dv_xname, testing-2);
-#endif
-			continue;
-		}
-
-		outw(iobase + HOST_ADDR_REG, 0);
-		outw(iobase + MEM_PORT_REG, 0);
-		outw(iobase + HOST_ADDR_REG, testing >> 1);
-		outw(iobase + MEM_PORT_REG, testing >> 1);
-		outw(iobase + HOST_ADDR_REG, 0);
-		if (inw(iobase + MEM_PORT_REG) == (testing >> 1)) {
-#ifdef IYMEMDEBUG
-			printf("%s: 0x%x alias of 0x0\n",
-			    sc->sc_dev.dv_xname, testing >> 1);
-#endif
-			continue;
-		}
-
-		break;
-	}
-
-	sc->sram = testing;
-
-	switch(testing) {
-		case 65536:
-			/* 4 NFS packets + overhead RX, 2 NFS + overhead TX  */
-			sc->rx_size = 44*1024;
-			break;
-
-		case 32768:
-			/* 2 NFS packets + overhead RX, 1 NFS + overhead TX  */
-			sc->rx_size = 22*1024;
-			break;
-
-		case 16384:
-			/* 1 NFS packet + overhead RX, 4 big packets TX */
-			sc->rx_size = 10*1024;
-			break;
-		default:
-			sc->rx_size = testing/2;
-			break;
-	}
-	sc->tx_size = testing - sc->rx_size;
-}