Move tokenring support to the attic where it can join the cards that where

decomissioned aeon ago. We will not miss it at all.
OK dlg@ henning@ and a lot of cheers by other in the room

3 files changed, 0 insertions, 2393 deletions

diff --git a/sys/dev/ic/tropic.c b/sys/dev/ic/tropic.c
index ad431ce61f5..e69de29bb2d 100644
--- a/sys/dev/ic/tropic.c
+++ b/sys/dev/ic/tropic.c
@@ -1,1732 +0,0 @@
-/*	$OpenBSD: tropic.c,v 1.12 2006/07/09 22:10:05 mk Exp $	*/
-/*	$NetBSD: tropic.c,v 1.6 1999/12/17 08:26:31 fvdl Exp $	*/
-
-/* 
- * Ported to NetBSD by Onno van der Linden
- * Many thanks to Larry Lile for sending me the IBM TROPIC documentation.
- *
- * Mach Operating System
- * Copyright (c) 1991 Carnegie Mellon University
- * Copyright (c) 1991 IBM Corporation 
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation,
- * and that the name IBM not be used in advertising or publicity 
- * pertaining to distribution of the software without specific, written
- * prior permission.
- * 
- * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-
-#include "bpfilter.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/mbuf.h>
-#include <sys/buf.h>
-#include <sys/socket.h>
-#include <sys/syslog.h>
-#include <sys/ioctl.h>
-#include <sys/errno.h>
-#include <sys/device.h>
-#include <sys/timeout.h>
-
-#include <net/if.h>
-#include <net/if_llc.h>
-#include <net/if_media.h>
-#include <net/netisr.h>
-#include <net/route.h>
-
-#ifdef INET
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/if_ether.h>
-#include <netinet/ip.h>
-#include <netinet/in_var.h>
-#include <net/if_token.h>
-#endif
-
-#if NBPFILTER > 0
-#include <net/bpf.h>
-#endif
-
-#ifndef ifr_mtu
-#define	ifr_mtu	ifr_metric
-#endif
-
-#include <machine/cpu.h>
-#include <machine/bus.h>
-
-#include <dev/ic/tropicreg.h>
-#include <dev/ic/tropicvar.h>
-
-static void tr_shutdown(void *);
-
-void	tr_rint(struct tr_softc *);
-void	tr_xint(struct tr_softc *);
-void	tr_oldxint(struct tr_softc *);
-struct	mbuf *tr_get(struct tr_softc *, int, struct ifnet *);
-void	tr_opensap(struct tr_softc *, u_char);
-int	tr_mbcopy(struct tr_softc *, bus_size_t, struct mbuf *);
-void	tr_bcopy(struct tr_softc *, u_char *, int);
-void	tr_start(struct ifnet *);
-void	tr_oldstart(struct ifnet *);
-void	tr_watchdog(struct ifnet *);
-int	tr_mediachange(struct ifnet *);
-void	tr_mediastatus(struct ifnet *, struct ifmediareq *);
-int	tropic_mediachange(struct tr_softc *);
-void	tropic_mediastatus(struct tr_softc *, struct ifmediareq *);
-void	tr_reinit(void *);
-
-struct cfdriver tr_cd = {
-	NULL, "tr", DV_IFNET
-};
-
-/*
- * TODO:
- * clean up tr_intr: more subroutines
- * IFF_LINK0 == IFM_TOK_SRCRT change to link flag implies media flag change
- * IFF_LINK1 == IFM_TOK_ALLR  change to link flag implies media flag change
- * XXX Create receive_done queue to kill "ASB not free", but does this ever
- * XXX happen ?
- */
-
-static	int media[] = {
-	IFM_TOKEN | IFM_TOK_UTP4,
-	IFM_TOKEN | IFM_TOK_STP4,
-	IFM_TOKEN | IFM_TOK_UTP16,
-	IFM_TOKEN | IFM_TOK_STP16,
-	IFM_TOKEN | IFM_TOK_UTP4,
-	IFM_TOKEN | IFM_TOK_UTP16,
-	IFM_TOKEN | IFM_TOK_STP4,
-	IFM_TOKEN | IFM_TOK_STP16
-};
-
-int
-tropic_mediachange(sc)
-	struct tr_softc *sc;
-{
-	if (IFM_TYPE(sc->sc_media.ifm_media) != IFM_TOKEN)
-		return EINVAL;
-
-	switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) {
-	case IFM_TOK_STP16:
-	case IFM_TOK_UTP16:
-		if ((sc->sc_init_status & RSP_16) == 0) {
-			tr_stop(sc);
-			if (tr_setspeed(sc, 16))
-				return EINVAL;
-			if (tr_reset(sc))
-				return EINVAL;
-			if (tr_config(sc))
-				return EINVAL;
-		}
-		break;
-	case IFM_TOK_STP4:
-	case IFM_TOK_UTP4:
-		if ((sc->sc_init_status & RSP_16) != 0) {
-			tr_stop(sc);
-			if (tr_setspeed(sc, 4))
-				return EINVAL;
-			if (tr_reset(sc))
-				return EINVAL;
-			if (tr_config(sc))
-				return EINVAL;
-		}
-		break;
-	}
-/*
- * XXX Handle Early Token Release !!!!
- */
-	return 0;
-}
-
-void
-tropic_mediastatus(sc, ifmr)
-	struct tr_softc *sc;
-	struct ifmediareq *ifmr;
-{
-	struct ifmedia	*ifm = &sc->sc_media;
-
-	ifmr->ifm_active = ifm->ifm_cur->ifm_media;
-}
-
-int
-tr_config(sc)
-	struct tr_softc *sc;
-{
-	if (sc->sc_init_status & FAST_PATH_TRANSMIT) {
-		int i;
-
-		for (i=0; i < SRB_CFP_CMDSIZE; i++)
-			SRB_OUTB(sc, sc->sc_srb, i, 0);
-
-		SRB_OUTB(sc, sc->sc_srb, SRB_CMD, DIR_CONFIG_FAST_PATH_RAM);
-
-		SRB_OUTW(sc, sc->sc_srb, SRB_CFP_RAMSIZE,
-		    (16 + (sc->sc_nbuf * FP_BUF_LEN) / 8));
-		SRB_OUTW(sc, sc->sc_srb, SRB_CFP_BUFSIZE, FP_BUF_LEN);
-
-		/* tell adapter: command in SRB */
-		ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-
-		for (i = 0; i < 30000; i++) {
-			if (ACA_RDB(sc, ACA_ISRP_o) & SRB_RESP_INT)
-				break;
-			delay(100);
-		}
-
-		if (i == 30000 && sc->sc_srb == ACA_RDW(sc, ACA_WRBR)) {
-			printf("No response for fast path cfg\n");
-			return 1;
-		}
-
-		ACA_RSTB(sc, ACA_ISRP_o, ~(SRB_RESP_INT));
-
-
-		if ((SRB_INB(sc, sc->sc_srb, SRB_RETCODE) != 0)) {
-			printf("cfg fast path returned: %02x\n",
-				SRB_INB(sc, sc->sc_srb, SRB_RETCODE));
-			return 1;
-		}
-
-		sc->sc_txca = SRB_INW(sc, sc->sc_srb, SRB_CFPRESP_FPXMIT);
-		sc->sc_srb = SRB_INW(sc, sc->sc_srb, SRB_CFPRESP_SRBADDR);
-	}
-	else {
-		if (sc->sc_init_status & RSP_16)
-			sc->sc_maxmtu = sc->sc_dhb16maxsz;
-		else
-			sc->sc_maxmtu = sc->sc_dhb4maxsz;
-/*
- * XXX Not completely true because Fast Path Transmit has 514 byte buffers
- * XXX and TR_MAX_LINK_HDR is only correct when source-routing is used.
- * XXX depending on whether source routing is used change the calculation
- * XXX use IFM_TOK_SRCRT (IFF_LINK0)
- * XXX recompute sc_minbuf !!
- */
-		sc->sc_maxmtu -= TR_MAX_LINK_HDR;
-	}
-	return 0;
-}
-
-int
-tr_attach(sc)
-	struct tr_softc *sc;
-{
-	int	nmedia, *mediaptr, *defmediaptr;
-	int	i, temp;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-
-	if (sc->sc_init_status & FAST_PATH_TRANSMIT) {
-		bus_size_t srb;
-		int	nbuf = 0;
-
-		srb = sc->sc_srb;
-
-		switch (sc->sc_memsize) {
-		case 65536:
-			nbuf = 58;
-			sc->sc_maxmtu = IPMTU_4MBIT_MAX;
-			break;
-		case 32768:
-			nbuf = 29;
-			sc->sc_maxmtu = IPMTU_4MBIT_MAX;
-			break;
-		case 16384:
-			nbuf = 13;
-			sc->sc_maxmtu = IPMTU_4MBIT_MAX;
-			break;
-		case 8192:
-			nbuf = 5;
-			sc->sc_maxmtu = ISO88025_MTU;
-		}
-
-		sc->sc_minbuf = ((sc->sc_maxmtu + 511) / 512) + 1;
-		sc->sc_nbuf = nbuf;
-
-/*
- *  Create circular queues caching the buffer pointers ?
- */
-	}
-	else {
-/*
- * MAX_MACFRAME_SIZE = DHB_SIZE - 6
- * IPMTU = MAX_MACFRAME_SIZE - (14 + 18 + 8)
- * (14 = header, 18 = sroute, 8 = llcsnap)
- */
-
-		switch (sc->sc_memsize) {
-		case 8192:
-			sc->sc_dhb4maxsz = 2048;
-			sc->sc_dhb16maxsz = 2048;
-			break;
-		case 16384:
-			sc->sc_dhb4maxsz = 4096;
-			sc->sc_dhb16maxsz = 4096;
-			break;
-		case 32768:
-			sc->sc_dhb4maxsz = 4464;
-			sc->sc_dhb16maxsz = 8192;
-			break;
-		case 65536:
-			sc->sc_dhb4maxsz = 4464;
-			sc->sc_dhb16maxsz = 8192;
-			break;
-		}
-		switch (MM_INB(sc, TR_DHB4_OFFSET)) {
-		case 0xF:
-			if (sc->sc_dhb4maxsz > 2048)
-				sc->sc_dhb4maxsz = 2048;
-			break;
-		case 0xE:
-			if (sc->sc_dhb4maxsz > 4096)
-				sc->sc_dhb4maxsz = 4096;
-			break;
-		case 0xD:
-			if (sc->sc_dhb4maxsz > 4464)
-				sc->sc_dhb4maxsz = 4464;
-			break;
-		}
-
-		switch (MM_INB(sc, TR_DHB16_OFFSET)) {
-		case 0xF:
-			if (sc->sc_dhb16maxsz > 2048)
-				sc->sc_dhb16maxsz = 2048;
-			break;
-		case 0xE:
-			if (sc->sc_dhb16maxsz > 4096)
-				sc->sc_dhb16maxsz = 4096;
-			break;
-		case 0xD:
-			if (sc->sc_dhb16maxsz > 8192)
-				sc->sc_dhb16maxsz = 8192;
-			break;
-		case 0xC:
-			if (sc->sc_dhb16maxsz > 8192)
-				sc->sc_dhb16maxsz = 8192;
-			break;
-		case 0xB:
-			if (sc->sc_dhb16maxsz > 8192)
-				sc->sc_dhb16maxsz = 8192;
-			break;
-		}
-	}
-
-	if (tr_config(sc))
-		return 1;
-
-	/*
-	 * init network-visible interface 
-	 */
-	bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ);
-	ifp->if_softc = sc;
-	ifp->if_ioctl = tr_ioctl;
-	if (sc->sc_init_status & FAST_PATH_TRANSMIT)
-		ifp->if_start = tr_start;
-	else
-		ifp->if_start = tr_oldstart;
-	ifp->if_flags = IFF_BROADCAST | IFF_NOTRAILERS;
-	ifp->if_watchdog = tr_watchdog;
-	IFQ_SET_READY(&ifp->if_snd);
-
-	switch (MM_INB(sc, TR_MEDIAS_OFFSET)) {
-	case 0xF:
-		nmedia = 1;
-		mediaptr = &media[6];
-		break;
-	case 0xE:
-		nmedia = 2;
-		mediaptr = &media[0];
-		break;
-	case 0xD:
-		nmedia = 1;
-		mediaptr = &media[4];
-		break;
-	default:
-		nmedia = 0;
-		mediaptr = NULL;
-	}
-
-	switch (MM_INB(sc, TR_RATES_OFFSET)) {
-	case 0xF:
-		/* 4 Mbps */
-		break;
-	case 0xE:
-		/* 16 Mbps */
-		if (mediaptr)
-			mediaptr += nmedia;
-		break;
-	case 0xD:
-		/* 4/16 Mbps */
-		nmedia *= 2;
-		break;
-	}
-
-	switch (MM_INB(sc, TR_MEDIA_OFFSET)) {
-	case 0xF:
-		/* STP */
-		defmediaptr = &media[6];
-		break;
-	case 0xE:
-		/* UTP */
-		defmediaptr = &media[4];
-		break;
-	case 0xD:
-		/* STP and UTP == a single shielded RJ45 which supports both */
-		/* XXX additional types in net/if_media.h ?? */
-		defmediaptr = &media[4];
-		break;
-	default:
-		defmediaptr = NULL;
-	}
-
-	if (defmediaptr && (sc->sc_init_status & RSP_16))
-		++defmediaptr;
-
-	if (sc->sc_mediachange == NULL && sc->sc_mediastatus == NULL) {
-		switch (MM_INB(sc, TR_TYP_OFFSET)) {
-		case 0x0D:
-		case 0x0C:
-			sc->sc_mediachange = tropic_mediachange;
-			sc->sc_mediastatus = tropic_mediastatus;
-		}
-	}
-
-	ifmedia_init(&sc->sc_media, 0, tr_mediachange, tr_mediastatus);
-	if (mediaptr != NULL) {
-		for (i = 0; i < nmedia; i++)
-			ifmedia_add(&sc->sc_media, mediaptr[i], 0, NULL);
-		if (defmediaptr)
-			ifmedia_set(&sc->sc_media, *defmediaptr);
-		else
-			ifmedia_set(&sc->sc_media, 0);
-	}
-	else {
-		ifmedia_add(&sc->sc_media, IFM_TOKEN | IFM_MANUAL, 0, NULL);
-		ifmedia_set(&sc->sc_media, IFM_TOKEN | IFM_MANUAL);
-	}
-
-	if_attach(ifp);
-
-	for (i = 0, temp = 0; i < ISO88025_ADDR_LEN; i++, temp += 4) {
-		sc->sc_arpcom.ac_enaddr[i] =
-		    (MM_INB(sc, (TR_MAC_OFFSET + temp)) & 0xf) << 4;
-		sc->sc_arpcom.ac_enaddr[i] |=
-		    MM_INB(sc, (TR_MAC_OFFSET + temp + 2)) & 0xf;
-	}
-
-	token_ifattach(ifp);
-
-	printf("\n%s: address %s ring speed %d Mbps\n",
-		sc->sc_dev.dv_xname, token_sprintf(sc->sc_arpcom.ac_enaddr),
-		(sc->sc_init_status & RSP_16) ? 16 : 4);
-
-#if NBPFILTER > 0
-	bpfattach(&ifp->if_bpf, ifp, DLT_IEEE802, sizeof(struct token_header));
-#endif
-
-/*
- * XXX rnd stuff
- */
-	shutdownhook_establish(tr_shutdown, sc);
-	return 0;
-}
-
-int
-tr_setspeed(sc, speed)
-struct tr_softc *sc;
-u_int8_t speed;
-{
-	SRB_OUTB(sc, sc->sc_srb, SRB_CMD, DIR_SET_DEFAULT_RING_SPEED);
-	SRB_OUTB(sc, sc->sc_srb, CMD_RETCODE, 0xfe);
-	SRB_OUTB(sc, sc->sc_srb, SRB_SET_DEFRSP, speed);
-	/* Tell adapter: command in SRB. */
-	ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-
-	/* Wait for it to complete. */
-	tr_sleep(sc);
-
-	if ((SRB_INB(sc, sc->sc_srb, SRB_RETCODE) != 0)) {
-		printf("set default ringspeed returned: %02x\n",
-			SRB_INB(sc, sc->sc_srb, SRB_RETCODE));
-		return 1;
-	}
-	return 0;
-}
-
-int
-tr_mediachange(ifp)
-	struct ifnet *ifp;
-{
-	struct tr_softc *sc = ifp->if_softc;
-
-	if (sc->sc_mediachange)
-		return ((*sc->sc_mediachange)(sc));
-	return EINVAL;
-}
-
-void
-tr_mediastatus(ifp, ifmr)
-	struct ifnet *ifp;
-	struct ifmediareq *ifmr;
-{
-	struct tr_softc *sc = ifp->if_softc;
-
-/* set LINK0 and/or LINK1 */
-	if (sc->sc_mediastatus)
-		(*sc->sc_mediastatus)(sc, ifmr);
-}
-
-int
-tr_reset(sc)
-struct tr_softc *sc;
-{
-	int i;
-
-	sc->sc_srb = 0;
-
-	/* 
-	 * Reset the card.
-	 */
-	/* latch on an unconditional adapter reset */
-	bus_space_write_1(sc->sc_piot, sc->sc_pioh, TR_RESET, 0);
-	delay(50000); /* delay 50ms */
-	/*
-	 * XXX set paging if we have the right type of card
-	 */
-	/* turn off adapter reset */
-	bus_space_write_1(sc->sc_piot, sc->sc_pioh, TR_RELEASE, 0);
-
-	/* Enable interrupts. */
-
-	ACA_SETB(sc, ACA_ISRP_e, INT_ENABLE);
-
-	/* Wait for an answer from the adapter. */
-
-	for (i = 0; i < 35000; i++) {
-		if (ACA_RDB(sc, ACA_ISRP_o) & SRB_RESP_INT)
-			break;
-		delay(100);
-	}
-
-	if (i == 35000 && sc->sc_srb == 0) {
-		printf("No response from adapter after reset\n");
-		return 1;
-	}
-
-	ACA_RSTB(sc, ACA_ISRP_o, ~(SRB_RESP_INT));
-
-	ACA_OUTB(sc, ACA_RRR_e, (sc->sc_maddr >> 12));
-	sc->sc_srb = ACA_RDW(sc, ACA_WRBR);
-	if (SRB_INB(sc, sc->sc_srb, SRB_CMD) != 0x80) {
-		printf("Initialization incomplete, status: %02x\n",
-			SRB_INB(sc, sc->sc_srb, SRB_CMD));
-		return 1;
-	}
-	if (SRB_INB(sc, sc->sc_srb, SRB_INIT_BUC) != 0) {
-		printf("Bring Up Code %02x\n",
-		    SRB_INB(sc, sc->sc_srb, SRB_INIT_BUC));
-		return 1;
-	}
-
-	sc->sc_init_status = SRB_INB(sc, sc->sc_srb, SRB_INIT_STATUS);
-
-	sc->sc_xmit_head = sc->sc_xmit_tail = 0;
-
-	/* XXX should depend on sc_resvdmem. */
-	if (MM_INB(sc, TR_RAM_OFFSET) == 0xB && sc->sc_memsize == 65536)
-		for (i = 0; i < 512; i++)
-			SR_OUTB(sc, 0xfe00 + i, 0);
-	return 0;
-}
-
-/*
- * tr_stop - stop interface (issue a DIR CLOSE ADAPTER command)
- */
-void
-tr_stop(sc)
-struct tr_softc *sc;
-{
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-
-	if ((ifp->if_flags & IFF_RUNNING) != 0) {
-/*
- * transmitter cannot be used from now on
- */
-		ifp->if_flags |= IFF_OACTIVE;
-
-		/* Close command. */
-		SRB_OUTB(sc, sc->sc_srb, SRB_CMD, DIR_CLOSE);
-		/* Tell adapter: command in SRB. */
-		ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-
-		/* Wait for it to complete. */
-		tr_sleep(sc);
-		sc->sc_srb = ACA_RDW(sc, ACA_WRBR);
-	}
-}
-
-static void
-tr_shutdown(arg)
-	void *arg;
-{
-	struct tr_softc *sc = arg;
-
-	tr_stop(sc);
-}
-
-void
-tr_reinit(arg)
-	void *arg;
-{
-	if (tr_reset((struct tr_softc *) arg))
-		return;
-	if (tr_config((struct tr_softc *) arg))
-		return;
-	tr_init(arg);
-}
-
-/*
- *  tr_init - initialize network interface, open adapter for packet
- *	     reception and start any pending output
- */
-void
-tr_init(arg)
-	void *arg;
-{
-	struct tr_softc *sc = arg;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-	bus_size_t open_srb;
-	int s, num_dhb;
-	int	resvdmem, availmem, dhbsize;
-
-	if ((ifp->if_flags & IFF_RUNNING) != 0)
-		return;
-
-	s = splnet();
-
-	ifp->if_flags &= ~IFF_OACTIVE;
-	sc->sc_xmit_head = sc->sc_xmit_tail = 0; /* XXX tr_reset() */
-
-	open_srb = sc->sc_srb;
-
-	/* Zero SRB. */
-	bus_space_set_region_1(sc->sc_memt, sc->sc_sramh,
-	    open_srb, 0, SRB_OPEN_CMDSIZE);
-
-	/* Open command. */
-	SRB_OUTB(sc, open_srb, SRB_CMD, DIR_OPEN_ADAPTER);
-/*
- * XXX handle IFM_TOK_ETR !!!!
- */
-	/* Set open parameters in SRB. */
-	SRB_OUTW(sc, open_srb, SRB_OPEN_OPTIONS, OPEN_PASS_BCON_MAC);
-
-	num_dhb = 1;
-
-	if ((sc->sc_init_status & FAST_PATH_TRANSMIT) == 0) {
-		availmem = sc->sc_memsize;
-		resvdmem = RESVDMEM_SIZE + sc->sc_memreserved;
-
-		/* allow MAX of two SAPS */
-		SRB_OUTB(sc, open_srb, SRB_OPEN_DLCMAXSAP, 2);
-		resvdmem += 2 * SAPCB_SIZE;
-
-		/* allow MAX of 4 stations */
-		SRB_OUTB(sc, open_srb, SRB_OPEN_DLCMAXSTA, 4);
-		resvdmem += 4 * LSCB_SIZE;
-
-		if (sc->sc_init_status & RSP_16) {
-			dhbsize = sc->sc_dhb16maxsz;
-		}
-		else {
-			dhbsize = sc->sc_dhb4maxsz;
-		}
-#if 0	/* XXXchb unneeded? */
-		if (dhbsize > 2048)
-			num_dhb = 2;
-#endif
-		SRB_OUTW(sc, open_srb, SRB_OPEN_DHBLEN, dhbsize);
-		sc->sc_nbuf = (dhbsize + 511) / 512;
-		/*
-		 * Try to leave room for two fullsized packets when
-		 * requesting DHBs.
-		 */
-		availmem -= resvdmem;
-		num_dhb = (availmem / dhbsize) - 2;
-		if (num_dhb > 2)
-			num_dhb = 2;	/* firmware can't cope with more DHBs */
-		if (num_dhb < 1)
-			num_dhb = 1;	/* we need at least one */
-	}
-	else
-		SRB_OUTW(sc, open_srb, SRB_OPEN_DHBLEN, DHB_LENGTH);
-
-	SRB_OUTB(sc, open_srb, SRB_OPEN_NUMDHB, num_dhb);
-	SRB_OUTW(sc, open_srb, SRB_OPEN_RCVBUFLEN, RCV_BUF_LEN);
-	SRB_OUTW(sc, open_srb, SRB_OPEN_NUMRCVBUF, sc->sc_nbuf);
-
-	/* Tell adapter: command in SRB. */
-	ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-
-	splx(s);
-}
-
-/*
- *  tr_oldstart - Present transmit request to adapter
- */
-void
-tr_oldstart(ifp)
-struct ifnet *ifp;
-{
-	struct tr_softc *sc = ifp->if_softc;
-	bus_size_t srb = sc->sc_srb;
-
-	if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
-		return;
-
-	ifp->if_flags |= IFF_OACTIVE;
-
-	/* Load SRB to request transmit. */
-	SRB_OUTB(sc, srb, SRB_CMD, XMIT_UI_FRM);
-	SRB_OUTW(sc, srb, XMIT_STATIONID, sc->exsap_station);
-	ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-}
-
-void
-tr_start(ifp)
-struct ifnet *ifp;
-{
-	struct tr_softc *sc = ifp->if_softc;
-	bus_size_t first_txbuf, txbuf;
-	struct mbuf	*m0, *m;
-	int	size, bufspace;
-	bus_size_t framedata;
-
-	if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
-		return;
-
-
-next:
-	if (sc->sc_xmit_buffers < sc->sc_minbuf)
-		return;
-
-	/* if data in queue, copy mbuf chain to fast path buffers */
-	IFQ_DEQUEUE(&ifp->if_snd, m0);
-
-	if (m0 == 0)
-		return;
-#if NBPFILTER > 0
-	if (ifp->if_bpf)
-		bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT);
-#endif
-	first_txbuf = txbuf = TXCA_INW(sc, TXCA_FREE_QUEUE_HEAD) - XMIT_NEXTBUF;
-	framedata = txbuf + XMIT_FP_DATA;
-	size = 0;
-	bufspace = FP_BUF_LEN - XMIT_FP_DATA;
-	--sc->sc_xmit_buffers;
-	for (m = m0; m; m = m->m_next) {
-		int len = m->m_len;
-		char *ptr = mtod(m, char *);
-
-		while (len >= bufspace) {
-			--sc->sc_xmit_buffers;
-			bus_space_write_region_1(sc->sc_memt, sc->sc_sramh,
-			    framedata, ptr, bufspace);
-			size += bufspace;
-			ptr += bufspace;
-			len -= bufspace;
-			TXB_OUTW(sc, txbuf, XMIT_BUFLEN,
-			    (FP_BUF_LEN - XMIT_FP_DATA));
-			txbuf = TXB_INW(sc, txbuf, XMIT_NEXTBUF) - XMIT_NEXTBUF;
-			framedata =  txbuf + XMIT_FP_DATA;
-			bufspace = FP_BUF_LEN - XMIT_FP_DATA;
-		}
-		if (len > 0) {
-			bus_space_write_region_1(sc->sc_memt, sc->sc_sramh,
-			    framedata, ptr, len);
-			size += len;
-			bufspace -= len;
-			framedata += len;
-		}
-	}
-	TXB_OUTW(sc, txbuf, XMIT_BUFLEN, (FP_BUF_LEN - XMIT_FP_DATA - bufspace));
-	m_freem(m0);		/* free mbuf chain */
-
-	TXB_OUTB(sc, first_txbuf, XMIT_RETCODE, 0xfe);
-	TXB_OUTW(sc, first_txbuf, XMIT_FRAMELEN, size);
-	TXB_OUTW(sc, first_txbuf, XMIT_LASTBUF, (txbuf + XMIT_NEXTBUF));
-	TXB_OUTB(sc, first_txbuf, XMIT_CMD, XMIT_DIR_FRAME);
-	TXB_OUTW(sc, first_txbuf, XMIT_STATIONID, 0);
-	TXB_OUTB(sc, first_txbuf, XMIT_CMDCORR, sc->sc_xmit_correlator);
-	sc->sc_xmit_correlator = (sc->sc_xmit_correlator + 1) & 0x7f;
-
-	/*
-	 * To prevent race conditions on 8-bit cards when reading or writing
-	 * 16-bit values. See page 4-12 of the IBM manual.
-	 */
-	TXCA_OUTW(sc, TXCA_FREE_QUEUE_HEAD, 1);
-	TXCA_OUTW(sc, TXCA_FREE_QUEUE_HEAD, TXB_INW(sc, txbuf, XMIT_NEXTBUF));
-
-	ACA_SETB(sc, ACA_ISRA_o, XMIT_REQ);
-
-	ifp->if_flags |= IFF_OACTIVE;
-	ifp->if_opackets++;
-#if 1
-/* XXX do while construction */
-	goto next;
-#endif
-}
-
-/*
- *  tr_intr - interrupt handler.  Find the cause of the interrupt and
- *  service it.
- */
-int
-tr_intr(arg)
-	void *arg;
-{
-	struct tr_softc *sc = arg;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-	u_char status;	/* holds status from adapter status register */
-	u_char command;	/* holds command from status or request block */
-	u_char retcode;	/* holds return value from status or request block */
-	int rc = 0;	/* 0 = unclaimed interrupt, 1 = interrupt claimed */
-
-	status = ACA_RDB(sc, ACA_ISRP_o);
-	while (status != 0) {
-
-		/* Is this interrupt caused by an adapter check? */
-		if (status & ADAP_CHK_INT) {
-			printf("%s: adapter check 0x%04x\n",
-			    sc->sc_dev.dv_xname,
-			    (unsigned int)ntohs(ACA_RDW(sc, ACA_WWCR)));
-
-			/* Clear this interrupt bit */
-			ACA_RSTB(sc, ACA_ISRP_o, ~(ADAP_CHK_INT));
-
-			rc = 1;		/* Claim interrupt. */
-			break;		/* Terminate loop. */
-		}
-		else if (status & XMIT_COMPLETE) {
-			ACA_RSTB(sc, ACA_ISRP_o, ~(XMIT_COMPLETE));
-			tr_xint(sc);
-			rc = 1;
-		}
-
-		/*
-		 * Process SRB_RESP_INT, ASB_FREE_INT, ARB_CMD_INT
-		 * & SSB_RESP_INT in that order, ISRP-L Hi to Lo
-		 */
-		else if (status & SRB_RESP_INT) { /* Adapter response in SRB? */
-			bus_size_t sap_srb;
-			bus_size_t srb;
-#ifdef TROPICDEBUG
-			bus_size_t log_srb;
-#endif
-			if (sc->sc_srb == 0)
-				sc->sc_srb = ACA_RDW(sc, ACA_WRBR);
-			srb = sc->sc_srb; /* pointer to SRB */
-			retcode = SRB_INB(sc, srb, SRB_RETCODE);
-			command = SRB_INB(sc, srb, SRB_CMD);
-			switch (command) {
-			case 0x80: /* 0x80 == initialization complete */
-			case DIR_CONFIG_FAST_PATH_RAM:
-				break;
-			case XMIT_DIR_FRAME:	/* Response to xmit request */
-			case XMIT_UI_FRM:	/* Response to xmit request */
-				/* Response not valid? */
-				if (retcode != 0xff)
-					printf("%s: error on xmit request =%x\n",
-					    sc->sc_dev.dv_xname, retcode);
-				break;
-
-			case DIR_OPEN_ADAPTER:	/* open-adapter-cmd response */
-				/* Open successful? */
-				if (retcode == 0) {
-					ifp->if_flags |= IFF_UP | IFF_RUNNING;
-					/* Save new ACA ctrl block addresses */
-					sc->sc_ssb = SRB_INW(sc, srb,
-					    SRB_OPENRESP_SSBADDR);
-					sc->sc_arb = SRB_INW(sc, srb,
-					    SRB_OPENRESP_ARBADDR);
-					sc->sc_srb = SRB_INW(sc, srb,
-					    SRB_OPENRESP_SRBADDR);
-					sc->sc_asb = SRB_INW(sc, srb,
-					    SRB_OPENRESP_ASBADDR);
-
-					/*
-					 * XXX, what about LLC_{X25,ISO}_LSAP ?
-					 * open two more saps .....
-					 */
-					if (sc->sc_init_status &
-					    FAST_PATH_TRANSMIT) {
-						sc->sc_xmit_buffers =
-						    TXCA_INW(sc, TXCA_BUFFER_COUNT);
-						sc->sc_nbuf =
-						    sc->sc_xmit_buffers;
-#ifdef TROPICDEBUG
-						printf("buffers = %d\n",
-						    sc->sc_xmit_buffers);
-#endif
-						sc->sc_xmit_correlator = 0;
-						wakeup(&sc->tr_sleepevent);
-					}
-					else
-						tr_opensap(sc, LLC_SNAP_LSAP); 
-				}
-				else {
-					printf("%s: Open error = %x\n",
-					    sc->sc_dev.dv_xname,
-					    SRB_INB(sc, srb, SRB_RETCODE));
-					ifp->if_flags &= ~IFF_RUNNING;
-					ifp->if_flags &= ~IFF_UP;
-/*
- * XXX untimeout depending on the error, timeout in other cases
- * XXX error 0x24 && autospeed mode: open again !!!!
- */
-					if (!timeout_initialized(&sc->init_timeout))
-						timeout_set(&sc->init_timeout,
-						    tr_init, sc);
-					timeout_add(&sc->init_timeout, hz * 30);
-				}
-				break;
-
-			case DIR_CLOSE:	/* Response to close adapter command */
-				/* Close not successful? */
-				if (retcode != 0)
-					printf("%s: close error = %x\n",
-					    sc->sc_dev.dv_xname, retcode);
-				else {
-					ifp->if_flags &= ~IFF_RUNNING;
-					ifp->if_flags &= ~IFF_UP;
-					ifp->if_flags &= ~IFF_OACTIVE;
-					wakeup(&sc->tr_sleepevent);
-				}
-				break;
-			case DIR_SET_DEFAULT_RING_SPEED:
-				wakeup(&sc->tr_sleepevent);
-				break;
-
-			case DLC_OPEN_SAP:     	/* Response to open sap cmd */
-				sap_srb = sc->sc_srb;
-				if (SRB_INB(sc, sap_srb, SRB_OPNSAP_SAPVALUE)
-				    == LLC_SNAP_LSAP)
-					sc->exsap_station =
-					    SRB_INW(sc, sap_srb,
-					        SRB_OPNSAP_STATIONID);
-				printf("%s: Token Ring opened\n",
-				    sc->sc_dev.dv_xname);
-				wakeup(&sc->tr_sleepevent);
-				break;
-/* XXX DLC_CLOSE_SAP not needed ? */
-			case DLC_CLOSE_SAP: /* Response to close sap cmd */
-				break;
-			case DIR_READ_LOG:   /* Response to read log */
-				/* Cmd not successful? */
-				if (retcode != 0)
-					printf("%s: read error log cmd err =%x\n",
-					    sc->sc_dev.dv_xname, retcode);
-#ifdef TROPICDEBUG
-				log_srb = sc->sc_srb;
-				printf("%s: ERROR LOG:\n",sc->sc_dev.dv_xname);
-				printf("%s: Line=%d, Internal=%d, Burst=%d\n",
-				    sc->sc_dev.dv_xname,
-				    (SRB_INB(sc, log_srb, SRB_LOG_LINEERRS)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_INTERRS)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_BRSTERRS)));
-				printf("%s: A/C=%d, Abort=%d, Lost frames=%d\n",
-				    sc->sc_dev.dv_xname,
-				    (SRB_INB(sc, log_srb, SRB_LOG_ACERRS)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_ABRTERRS)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_LOSTFRMS)));
-				printf("%s: Receive congestion=%d, Frame copied=%d, Frequency=%d\n",
-				    sc->sc_dev.dv_xname,
-				    (SRB_INB(sc, log_srb, SRB_LOG_RCVCONG)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_FCPYERRS)),
-				    (SRB_INB(sc, log_srb, SRB_LOG_FREQERRS)));
-				printf("%s: Token=%d\n",sc->sc_dev.dv_xname,
-				    (SRB_INB(sc, log_srb, SRB_LOG_TOKENERRS)));
-#endif /* TROPICDEBUG */
-				ifp->if_flags &= ~IFF_OACTIVE;
-				break;
-			default:
-				printf("%s: bad SRB command encountered %x\n",
-				    sc->sc_dev.dv_xname, command);
-				break;
-			}
-			/* clear the SRB-response interrupt bit */
-			ACA_RSTB(sc, ACA_ISRP_o, ~(SRB_RESP_INT));
-
-		}
-
-		else if (status & ASB_FREE_INT) { /* Is ASB Free? */
-			bus_size_t asb = sc->sc_asb;
-
-			/*
-			 * Remove message from asb queue, first element in
-			 * structure is the command. command == REC_DATA?
-			 * size = 8 : size = 10
-			 * reply in isra_l with (RESP_IN_ASB | ASB_FREE)
-			 */
-			retcode = ASB_INB(sc, asb, CMD_RETCODE);
-			command = ASB_INB(sc, asb, CMD_CMD);
-			switch (command) {
-			case REC_DATA:		/* Receive */
-				/* Response not valid? */
-				if (retcode != 0xff)
-				printf("%s: ASB bad receive response =%x\n",
-				    sc->sc_dev.dv_xname, retcode);
-				break;
-			case XMIT_DIR_FRAME:	/* Transmit */
-			case XMIT_UI_FRM:   	/* Transmit */
-				/* Response not valid? */
-				if (retcode != 0xff)
-				printf("%s: ASB response err on xmit =%x\n",
-				    sc->sc_dev.dv_xname, retcode);
-				break;
-			default:
-				printf("%s: Invalid command in ASB =%x\n",
-				    sc->sc_dev.dv_xname, command);
-				break;
-			}
-			/* Clear this interrupt bit */
-			ACA_RSTB(sc, ACA_ISRP_o, ~(ASB_FREE_INT));
-		}
-		else if (status & ARB_CMD_INT) { /* Command for PC to handle? */
-			bus_size_t arb = sc->sc_arb;
-
-			command = ARB_INB(sc, arb, ARB_CMD);
-			switch (command) {
-			case DLC_STATUS:    /* DLC status change */	
-				printf("%s: ARB new DLC  status = 0x%x\n",
-				    sc->sc_dev.dv_xname,
-				    ARB_INW(sc, arb, ARB_DLCSTAT_STATUS));
-				break;
-			case REC_DATA:		/* Adapter has data for PC */
-				/* Call receive interrupt handler */
-				tr_rint(sc);
-				break;
-
-			case RING_STAT_CHANGE:	/* Ring status change */
-				if (ARB_INW(sc, arb, ARB_RINGSTATUS) &
-				    (SIGNAL_LOSS + LOBE_FAULT)){
-					printf("%s: SIGNAL LOSS/LOBE FAULT\n",
-					    sc->sc_dev.dv_xname);
-					ifp->if_flags &= ~IFF_RUNNING;
-					ifp->if_flags &= ~IFF_UP;
-					IFQ_PURGE(&ifp->if_snd);
-					if (!timeout_initialized(&sc->reinit_timeout))
-						timeout_set(&sc->reinit_timeout,
-						    tr_reinit, sc);
-					timeout_add(&sc->reinit_timeout, hz * 30);
-				}
-				else {
-#ifdef TROPICDEBUG
-					if (ARB_INW(sc, arb, ARB_RINGSTATUS) &
-					    ~(SOFT_ERR))
-						printf(
-					"%s: ARB new ring status = 0x%x\n",
-						    sc->sc_dev.dv_xname,
-						    ARB_INW(sc, arb,
-							ARB_RINGSTATUS));
-#endif /* TROPICDEBUG */
-				}
-				if (ARB_INW(sc, arb, ARB_RINGSTATUS) &
-				    LOG_OFLOW){
-/*
- * XXX CMD_IN_SRB, handle with SRB_FREE_INT ?
- */
-					ifp->if_flags |= IFF_OACTIVE;
-					SRB_OUTB(sc, sc->sc_srb, SRB_CMD,
-					    DIR_READ_LOG);
-					/* Read & reset err log cmnd in SRB. */
-					ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-				}
-				break;
-
-			case XMIT_DATA_REQ: /* Adapter wants data to transmit */
-				/* Call transmit interrupt handler */
-				tr_oldxint(sc);
-				break;
-
-			default:
-				printf("%s: Invalid command in ARB =%x\n",
-				    sc->sc_dev.dv_xname, command);
-				break;
-			}
-
-			/* Clear this interrupt bit */
-			ACA_RSTB(sc, ACA_ISRP_o, ~(ARB_CMD_INT)); 
-
-			/* Tell adapter that ARB is now free */
-			ACA_SETB(sc, ACA_ISRA_o, ARB_FREE);
-		}
-
-
-		else if (status & SSB_RESP_INT) {  /* SSB resp. to SRB cmd? */
-			bus_size_t	ssb = sc->sc_ssb;
-
-			retcode = SSB_INB(sc, ssb, SSB_RETCODE);
-			command = SSB_INB(sc, ssb, SSB_CMD);
-			switch (command) {
-			case XMIT_UI_FRM:
-			case XMIT_DIR_FRAME:  /* SSB response to SRB xmit cmd */
-				/* collect status on last packet */
-				if (retcode != 0) {
-					printf("xmit return code = 0x%x\n",
-					    retcode);
-					/* XXXchb */
-					if (retcode == 0x22) {
-						printf("FS = 0x%2x\n",
-						    SSB_INB(sc, ssb,
-						        SSB_XMITERR));
-					}
-					ifp->if_oerrors++;
-				}
-				else
-					ifp->if_opackets++;
-
-				ifp->if_flags &= ~IFF_OACTIVE;
-/*
- * XXX should this be done here ?
- */
-				/* if data on send queue */
-				if (!IFQ_IS_EMPTY(&ifp->if_snd))
-					tr_oldstart(ifp);
-				break;
-
-			case XMIT_XID_CMD:
-				printf("tr_int: xmit XID return code = 0x%x\n",
-				    retcode);
-				break;
-			default:
-				printf("%s: SSB error, invalid command =%x\n",
-				    sc->sc_dev.dv_xname, command);
-			}
-			/* clear this interrupt bit */
-			ACA_RSTB(sc, ACA_ISRP_o, ~(SSB_RESP_INT));
-
-			/* tell adapter that SSB is available */
-			ACA_SETB(sc, ACA_ISRA_o, SSB_FREE);
-		}
-		rc = 1;		/* Claim responsibility for interrupt */
-		status = ACA_RDB(sc, ACA_ISRP_o);
-	}
-	/* Is this interrupt caused by an adapter error or access violation? */
-	if (ACA_RDB(sc, ACA_ISRP_e) & (TCR_INT | ERR_INT | ACCESS_INT)) {
-		printf("%s: adapter error, ISRP_e = %x\n",
-		    sc->sc_dev.dv_xname, ACA_RDB(sc, ACA_ISRP_e));
-
-		/* Clear these interrupt bits */
-		ACA_RSTB(sc, ACA_ISRP_e, ~(TCR_INT | ERR_INT | ACCESS_INT));
-		rc = 1;		/* Claim responsibility for interrupt */
-
-	}
-
-	/* Clear IRQ latch in order to reenable interrupts. */
-	bus_space_write_1(sc->sc_piot, sc->sc_pioh, TR_CLEARINT, 0);
-	return (rc);
-}
-
-#ifdef notyet
-int asb_reply_rcv()
-{
-}
-
-int asb_reply_xmit()
-{
-}
-
-int asb_response(bus_size_t asb, size_t len)
-{
-	if (empty_queue) {
-		answer with RESP_IN_ASB | ASB_FREE
-	}
-	else {
-		put asb in queue
-	}
-}
-#endif
-
-
-/*
- *  U-B receive interrupt.
- *
- * in the original version, this routine had three tasks:
- *
- *	1. move the data into the receive buffer and set up various pointers
- *	   in the tr_softc struct
- *	2. switch on the type field for ip and arp, dropping all else
- *	3. resetting the adaptor status block info (asb) and updating the
- *	   tr_softc struct
- *		determine lan message type, pull packet off interface and
- *		pass to an appropriate higher-level routine
- *
- */
-void
-tr_rint(sc)
-struct tr_softc *sc;
-{
-	bus_size_t arb = sc->sc_arb;
-	bus_size_t asb = sc->sc_asb;
-	struct rbcb *rbc = &sc->rbc;
-	struct mbuf *m;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-
-#ifdef TROPICDEBUG
-	printf("tr_rint: arb.command = %x, arb.station_id= %x\n",
-	    ARB_INB(sc, arb, ARB_CMD), ARB_INW(sc, arb, ARB_STATIONID));
-	printf("arb.buf_addr = %x, arb.lan_hdr_len = %x\n",
-	    ARB_INW(sc, arb, ARB_RXD_BUFADDR),
-	    ARB_INB(sc, arb, ARB_RXD_LANHDRLEN));
-	printf("arb.dlc_hdr_len = %d, arb.frame_len = %d\n",
-	    ARB_INB(sc, arb, ARB_RXD_DLCHDRLEN),
-	    ARB_INW(sc, arb, ARB_RXD_FRAMELEN));
-	printf("arb.msg_type = %x\n", ARB_INB(sc, arb, ARB_RXD_MSGTYPE));
-#endif /* TROPICDEBUG */
-	/*
-	 * copy the offset in RAM of the first receive buffer from the
-	 * receive-data block of the adapter request block associated
-	 * with the unit's softc struct into the receive control block.
-	 */
-	rbc->rbufp = ARB_INW(sc, arb, ARB_RXD_BUFADDR);
-
-	/*
-	 * copy the pointer to data in first receive buffer
-	 */
-	rbc->rbuf_datap = rbc->rbufp + RB_DATA;
-	/*
-	 * the token-ring header is viewed as two header structs: the physical
-	 * header (aka TR header) with access, frame, dest, src, and routing
-	 * information, and the logical link control header (aka LLC header)
-	 * with dsap, ssap, llc, proto and type fields.
-	 *
-	 * rfc1042 requires support for unnumbered information (UI) commands,
-	 * but does not specify a required semantic, so we'll discard them.
-	 *
-	 */
-
-	/*
-	 * if there is a second receive buffer, set up the next pointer
-	 */
-	if (RB_INW(sc, rbc->rbufp, RB_NEXTBUF))
-		rbc->rbufp_next = RB_INW(sc, rbc->rbufp, RB_NEXTBUF) -
-		    RB_NEXTBUF;
-	else
-		rbc->rbufp_next = 0;	/* we're finished */
-
-	rbc->data_len = RB_INW(sc, rbc->rbufp, RB_BUFLEN);
-	/*
-	 * At this point we move the packet from the adapter to a chain
-	 * of mbufs
-	 */
-	m = tr_get(sc, ARB_INW(sc, arb, ARB_RXD_FRAMELEN), ifp);
-/*
- * XXX Clear ARB interrupt here?
- */
-/*
- * XXX create a queue where the responses are buffered
- * XXX but is it really needed ?
- */
-
-	if (ASB_INB(sc, asb, RECV_RETCODE) != 0xff)
-		printf("tr_rint: ASB IS NOT FREE!!!\n");
-	/*
-	 * Load receive response into ASB.
-	 */
-	ASB_OUTB(sc, asb, RECV_CMD, REC_DATA);
-	ASB_OUTW(sc, asb, RECV_STATIONID, ARB_INW(sc, arb, ARB_STATIONID));
-	ASB_OUTW(sc, asb, RECV_RESP_RECBUFADDR,
-	    ARB_INW(sc, arb, ARB_RXD_BUFADDR));
-
-	if (m == 0) {
-		/*
-		 * Tell adapter data lost, no mbufs.
-		 */
-		ASB_OUTB(sc, asb, RECV_RETCODE, 0x20);
-		ACA_SETB(sc, ACA_ISRA_o, RESP_IN_ASB);
-		++ifp->if_ierrors;
-#ifdef TROPICDEBUG
-		printf("tr_rint: packet dropped\n");
-#endif /* TROPICDEBUG */
-	}
-	else {
-		/*
-		 * Indicate successful receive.
-		 */
-		ASB_OUTB(sc, asb, RECV_RETCODE, 0);
-		ACA_SETB(sc, ACA_ISRA_o, RESP_IN_ASB);
-		++ifp->if_ipackets;
-
-#if NBPFILTER > 0
-		if (ifp->if_bpf)
-			bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN);
-#endif
-		token_input(ifp, m);
-	}
-}
-
-/*
- *  Interrupt handler for old style "adapter requires data to transmit".
- */
-void
-tr_oldxint(sc)
-struct tr_softc *sc;
-{
-	bus_size_t arb = sc->sc_arb;	/* pointer to ARB */
-	bus_size_t asb = sc->sc_asb;	/* pointer to ASB */
-	bus_size_t dhb;			/* pointer to DHB */
-	struct mbuf *m0;		/* pointer to top of mbuf chain */
-	u_short size = 0;
-	char	command;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-	struct token_header *trh;
-	int i;
-	u_int8_t hlen;
-
-/*
- * XXX xmit_asb_response()
- */
-	if (ASB_INB(sc, asb, XMIT_RETCODE) != 0xff)
-		printf("tr_oldxint: ASB IS NOT FREE!!!\n");
-
-	/* load parameters into ASB */
-	ASB_OUTB(sc, asb, XMIT_CMDCORR, ARB_INB(sc, arb, ARB_XMT_CMDCORR));
-	ASB_OUTW(sc, asb, XMIT_STATIONID, ARB_INW(sc, arb, ARB_STATIONID));
-	ASB_OUTB(sc, asb, XMIT_RETCODE, 0);
-/*
- * XXX LLC_{X25,ISO}_LSAP
- */
-	ASB_OUTB(sc, asb, XMIT_REMSAP, LLC_SNAP_LSAP);
-
-	/* XXX if num_dhb == 2 this should alternate between the two buffers */
-	dhb = ARB_INW(sc, arb, ARB_XMT_DHBADDR);
-
-	command = SRB_INB(sc, sc->sc_srb, SRB_CMD);
-
-	if (command == XMIT_XID_CMD || command == XMIT_TEST_CMD) {
-		ASB_OUTB(sc, asb, XMIT_CMD, command);
-		ASB_OUTW(sc, asb, XMIT_FRAMELEN, 0x11);
-/*
- * XXX 0xe == sizeof(struct token_header)
- */
-		ASB_OUTB(sc, asb, XMIT_HDRLEN, 0x0e);
-
-		SR_OUTB(sc, (dhb + 0), TOKEN_AC);
-		SR_OUTB(sc, (dhb + 1), TOKEN_FC);
-		/* Load destination and source addresses. */
-		for (i=0; i < ISO88025_ADDR_LEN; i++) {
-			SR_OUTB(sc, (dhb + 2 + i), 0xff);
-			SR_OUTB(sc, (dhb + 8 + i), 0x00);
-		}
-	}
-	else {
-/*
- * XXX what's command here ?  command = 0x0d (always ?)
- */
-		/* if data in queue, copy mbuf chain to DHB */
-		IFQ_DEQUEUE(&ifp->if_snd, m0);
-		if (m0 != 0) {
-#if NBPFILTER > 0
-			if (ifp->if_bpf)
-				bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT);
-#endif
-			/* Pull packet off interface send queue, fill DHB. */
-			trh = mtod(m0, struct token_header *);
-			hlen = sizeof(struct token_header);
-			if (trh->token_shost[0] & TOKEN_RI_PRESENT) {
-/*
- * XXX assumes route info is in the same mbuf as the token-ring header
- */
-				struct token_rif	*rif;
-
-				rif = TOKEN_RIF(trh);
-				hlen += ((ntohs(rif->tr_rcf) & TOKEN_RCF_LEN_MASK) >> 8);
-			}
-			size = tr_mbcopy(sc, dhb, m0);
-			m_freem(m0);
-
-			ASB_OUTB(sc, asb, XMIT_CMD, XMIT_UI_FRM);  
-			ASB_OUTB(sc, asb, XMIT_HDRLEN, hlen);
-
-			/* Set size of transmission frame in ASB. */
-			ASB_OUTW(sc, asb, XMIT_FRAMELEN, size);
-		}
-		else {
-			printf("%s: unexpected empty mbuf send queue\n",
-				sc->sc_dev.dv_xname);
-
-			/* Set size of transmission frame in ASB to zero. */
-			ASB_OUTW(sc, asb, XMIT_FRAMELEN, 0);
-		}
-	}
-/*
- * XXX asb_response(void *asb, len)
- */
-	/* tell adapter that there is a response in the ASB */
-	ACA_SETB(sc, ACA_ISRA_o, RESP_IN_ASB);
-}
-
-/*
- *  Interrupt handler for fast path transmit complete
- */
-void
-tr_xint(sc)
-struct tr_softc *sc;
-{
-	u_short	tail;
-	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
-	bus_size_t txbuf;
-
-	/*
-	 * To prevent race conditions on 8-bit cards when reading or writing
-	 * 16-bit values. See page 4-12 of the IBM manual.
-	 * XXX use volatile ?
-	 */
-	do {
-		tail = TXCA_INW(sc, TXCA_COMPLETION_QUEUE_TAIL);
-	} while (tail != TXCA_INW(sc, TXCA_COMPLETION_QUEUE_TAIL));
-	while (tail != TXCA_INW(sc, TXCA_FREE_QUEUE_TAIL)) {
-		txbuf =  TXCA_INW(sc, TXCA_FREE_QUEUE_TAIL) - XMIT_NEXTBUF;
-		txbuf =  TXB_INW(sc, txbuf, XMIT_NEXTBUF) - XMIT_NEXTBUF;
-		if (TXB_INB(sc, txbuf, XMIT_RETCODE) != 0) {
-			ifp->if_oerrors++;
-			printf("tx: retcode = %x\n",
-			    TXB_INB(sc, txbuf, XMIT_RETCODE));
-		}
-		sc->sc_xmit_buffers +=
-		    (TXB_INW(sc, txbuf, XMIT_FRAMELEN) + 514 - 1) / 514;
-		tail = TXB_INW(sc, txbuf, XMIT_LASTBUF);
-		TXCA_OUTW(sc, TXCA_FREE_QUEUE_TAIL, tail);
-		tail = TXCA_INW(sc, TXCA_COMPLETION_QUEUE_TAIL);
-		do {
-			tail = TXCA_INW(sc, TXCA_COMPLETION_QUEUE_TAIL);
-		} while (tail != TXCA_INW(sc, TXCA_COMPLETION_QUEUE_TAIL));
-	}
-	if (sc->sc_xmit_buffers == sc->sc_nbuf)
-		ifp->if_flags &= ~IFF_OACTIVE;
-	tr_start(ifp);
-}
-
-
-/*
- * copy out the packet byte-by-byte in reasonably optimal fashion
- */
-int
-tr_mbcopy(sc, dhb, m0)
-struct tr_softc *sc;
-bus_size_t dhb;
-struct mbuf *m0;
-{
-	bus_size_t addr = dhb;
-	int len, size = 0;
-	char *ptr;
-	struct mbuf *m;
-
-	for (m = m0; m; m = m->m_next) {
-		len = m->m_len;
-		ptr = mtod(m, char *);
-
-		bus_space_write_region_1(sc->sc_memt, sc->sc_sramh,
-		    addr, ptr, len);
-		size += len;
-		addr += len;
-	}
-	return (size);
-}
-
-/*
- * Pull read data off an interface.
- * Len is length of data, with local net header stripped.
- * Off is non-zero if a trailer protocol was used, and
- * gives the offset of the trailer information.
- * XXX trailer information, really ????
- * We copy the trailer information and then all the normal
- * data into mbufs.
- *
- * called from tr_rint - receive interrupt routine
- */
-struct mbuf *
-tr_get(sc, totlen, ifp)
-struct tr_softc *sc;
-int totlen;
-struct ifnet *ifp;  
-{
-	int len;
-	struct mbuf *m, *m0, *newm;
-
-	MGETHDR(m0, M_DONTWAIT, MT_DATA);
-	if (m0 == 0)
-		return (0);
-
-	m0->m_pkthdr.rcvif = ifp;
-	m0->m_pkthdr.len = totlen;
-	len = MHLEN;
-
-	m = m0;
-	while (totlen > 0) {
-		if (totlen >= MINCLSIZE) {
-			MCLGET(m, M_DONTWAIT);
-			if ((m->m_flags & M_EXT) == 0) {
-				m_free(m0);
-				return 0;
-			}
-			len = MCLBYTES;
-		}
-
-		/*
-		 * Make sure data after the MAC header is aligned.
-		 */
-		if (m == m0) {
-			caddr_t newdata = (caddr_t)
-			   ALIGN(m->m_data + sizeof(struct token_header)) - 
-			   sizeof(struct token_header);
-			len -= newdata - m->m_data;
-			m->m_data = newdata;
-		}
-		m->m_len = len = min(totlen, len);
-		tr_bcopy(sc, mtod(m, char *), len);
-		totlen -= len;
-		if (totlen > 0) {
-			MGET(newm, M_DONTWAIT, MT_DATA);
-			if (newm == 0){
-				m_freem(m0);
-				return (0);
-			}
-			m->m_next = newm;
-			m = newm;
-			len = MLEN;
-		}
-		/*
-		 * ignore trailers case again
-		 */
-	}
-	return (m0);
-}
-
-/*
- *  tr_ioctl - process an ioctl request
- */
-int
-tr_ioctl(ifp, cmd, data)
-struct ifnet *ifp;
-u_long cmd;
-caddr_t data;
-{
-	struct tr_softc *sc = ifp->if_softc;
-	struct ifreq *ifr = (struct ifreq *) data;
-	struct ifaddr *ifa = (struct ifaddr *) data;
-	int s;
-	int error = 0;
-
-	s = splnet();
-
-	switch (cmd) {
-	case SIOCSIFADDR:
-
-		switch (ifa->ifa_addr->sa_family) {
-#ifdef INET
-		case AF_INET:
-		/* XXX if not running  */
-			if ((ifp->if_flags & IFF_RUNNING) == 0) {
-				tr_init(sc);   /* before arp_ifinit */
-				tr_sleep(sc);
-			}
-			arp_ifinit(&sc->sc_arpcom, ifa);
-			break;
-#endif /* INET */
-		default:
-			/* XXX if not running */
-			if ((ifp->if_flags & IFF_RUNNING) == 0) {
-				tr_init(sc);   /* before arpwhohas */
-				tr_sleep(sc);
-			}
-			break;
-		}
-		break;
-	case SIOCSIFFLAGS:
-		/*
-		 * 1- If the adapter is DOWN , turn the device off
-		 *       ie. adapter down but still running
-		 * 2- If the adapter is UP, turn the device on
-		 *       ie. adapter up but not running yet
-		 */
-		if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == IFF_RUNNING) {
-			tr_stop(sc);
-			ifp->if_flags &= ~IFF_RUNNING;
-		}
-		else if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == IFF_UP) {
-			tr_init(sc);
-			tr_sleep(sc);
-		}
-		else {
-/*
- * XXX handle other flag changes
- */
-		}
-		break;
-	case SIOCGIFMEDIA:
-	case SIOCSIFMEDIA:
-		error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd);
-		break;
-#ifdef SIOCSIFMTU
-	case SIOCSIFMTU:
-		if (ifr->ifr_mtu > sc->sc_maxmtu)
-			error = EINVAL;
-		else
-			ifp->if_mtu = ifr->ifr_mtu;
-		break;
-#endif
-	default:
-		error = EINVAL;
-	}
-	splx(s);
-	return (error);
-}
-
-
-/*
- *  tr_bcopy - like bcopy except that it knows about the structure of
- *	      adapter receive buffers.
- */
-void 
-tr_bcopy(sc, dest, len)
-struct tr_softc *sc;	/* pointer to softc struct for this adapter */
-u_char *dest;		/* destination address */
-int len;		/* number of bytes to copy */
-{
-	struct rbcb *rbc = &sc->rbc;	/* pointer to rec buf ctl blk */
-
-	/* While amount of data needed >= amount in current receive buffer. */
-	while (len >= rbc->data_len) {
-		/* Copy all data from receive buffer to destination. */
-
-		bus_space_read_region_1(sc->sc_memt, sc->sc_sramh,
-		    rbc->rbuf_datap, dest, (bus_size_t)rbc->data_len);
-		len -= rbc->data_len;	/* update length left to transfer */
-		dest += rbc->data_len;	/* update destination address */
-
-		/* Make next receive buffer current receive buffer. */
-		rbc->rbufp = rbc->rbufp_next;
-		if (rbc->rbufp != 0) { /* More receive buffers? */
-
-			/* Calculate pointer to next receive buffer. */
-			rbc->rbufp_next = RB_INW(sc, rbc->rbufp, RB_NEXTBUF);
-			if (rbc->rbufp_next != 0)
-				rbc->rbufp_next -= RB_NEXTBUF;
-
-			/* Get pointer to data in current receive buffer. */
-			rbc->rbuf_datap = rbc->rbufp + RB_DATA;
-
-			/* Get length of data in current receive buffer. */
-			rbc->data_len = RB_INW(sc, rbc->rbufp, RB_BUFLEN);
-		}
-		else {
-			if (len != 0)	/* len should equal zero. */
-				printf("tr_bcopy: residual data not copied\n");
-			return;
-		}
-	}
-
-	/* Amount of data needed is < amount in current receive buffer. */
-
-	bus_space_read_region_1(sc->sc_memt, sc->sc_sramh,
-	    rbc->rbuf_datap, dest, (bus_size_t)len);
-	rbc->data_len -= len;	/* Update count of data in receive buffer. */
-	rbc->rbuf_datap += len;	/* Update pointer to receive buffer data. */
-}
-
-/*
- *  tr_opensap - open the token ring SAP interface
- */
-void
-tr_opensap(sc, type) 
-struct tr_softc *sc;
-u_char type;
-{
-	bus_size_t srb = sc->sc_srb;
-
-/************************************************************************
- ** To use the SAP level interface, we will have to execute a          ** 
- ** DLC.OPEN.SAP (pg.6-61 of the Token Ring Tech. Ref.) after we have  **
- ** received a good return code from the DIR.OPEN.ADAPTER command.     **
- ** We will open the IP SAP x'aa'.                                     **
- **                                                                    **
- ** STEPS:                                                             **
- **      1) Reset SRB response interrupt bit                           **
- **      2) Use the open_sap srb.                                      **
- **      3) Fill the following fields:                                 **
- **            command    - x'15'                                      **
- **            sap_value  - x'aa'                                      **
- **            sap_options- x'24'                                      **
- **                                                                    **
- ***********************************************************************/
-
-	ACA_RSTB(sc, ACA_ISRP_o, ~(SRB_RESP_INT));
-
-	SRB_OUTB(sc, srb, SRB_CMD, DLC_OPEN_SAP);  
-	SRB_OUTB(sc, srb, SRB_RETCODE, 0x00);  
-	SRB_OUTW(sc, srb, SRB_OPNSAP_STATIONID, 0x0000);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_TIMERT1, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_TIMERT2, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_TIMERTI, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_MAXOUT, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_MAXIN, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_MAXOUTINCR, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_MAXRETRY, 0x00);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_GSAPMAXMEMB, 0x00);
-	SRB_OUTW(sc, srb, SRB_OPNSAP_MAXIFIELD, 0x0088);  
-	SRB_OUTB(sc, srb, SRB_OPNSAP_SAPVALUE, type);     
-	SRB_OUTB(sc, srb, SRB_OPNSAP_SAPOPTIONS, 0x24);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_STATIONCNT, 0x01);
-	SRB_OUTB(sc, srb, SRB_OPNSAP_SAPGSAPMEMB, 0x00);
-
-	ACA_SETB(sc, ACA_ISRP_e, INT_ENABLE);
-	ACA_SETB(sc, ACA_ISRA_o, CMD_IN_SRB);
-}
-
-/*
- *  tr_sleep - sleep to wait for adapter to open
- */
-void
-tr_sleep(sc)
-struct tr_softc *sc;
-{
-	int error;
-
-	error = tsleep(&sc->tr_sleepevent, 1, "trsleep", hz * 30);
-	if (error == EWOULDBLOCK)
-		printf("%s: sleep event timeout\n", sc->sc_dev.dv_xname);
-}
-
-void
-tr_watchdog(ifp)
-struct ifnet	*ifp;
-{
-	struct tr_softc	*sc = ifp->if_softc;
-
-	log(LOG_ERR,"%s: device timeout\n", sc->sc_dev.dv_xname);
-	++ifp->if_oerrors;
-
-	tr_reset(sc);
-}
diff --git a/sys/dev/ic/tropicreg.h b/sys/dev/ic/tropicreg.h
index adfd10df95d..e69de29bb2d 100644
--- a/sys/dev/ic/tropicreg.h
+++ b/sys/dev/ic/tropicreg.h
@@ -1,556 +0,0 @@
-/*	$OpenBSD: tropicreg.h,v 1.2 2003/10/21 18:58:50 jmc Exp $	*/
-/*	$NetBSD: tropicreg.h,v 1.3 1999/10/17 23:53:45 cgd Exp $	*/
-
-/* 
- * Mach Operating System
- * Copyright (c) 1991 Carnegie Mellon University
- * Copyright (c) 1991 IBM Corporation 
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation,
- * and that the name IBM not be used in advertising or publicity 
- * pertaining to distribution of the software without specific, written
- * prior permission.
- * 
- * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-
-/* $ACIS:if_lanreg.h 12.0$ */
-
-#define TR_SWITCH 0
-#define TR_RESET 1
-#define TR_RELEASE 2
-#define TR_CLEARINT 3
-
-/* macros to deal with accessing the MMIO region */
-#define MM_OUTB(sc, off, val)	\
-	bus_space_write_1((sc)->sc_memt, (sc)->sc_mmioh, (off), (val))
-#define MM_OUTW(sc, off, val)	\
-	bus_space_write_2((sc)->sc_memt, (sc)->sc_mmioh, (off), htons((val)))
-#define MM_INB(sc, off)		\
-	bus_space_read_1((sc)->sc_memt, (sc)->sc_mmioh, (off))
-#define MM_INW(sc, off)		\
-	ntohs(bus_space_read_2((sc)->sc_memt, (sc)->sc_mmioh, (off)))
-
-/* macros to deal with accesses to the shared ram */
-#define SR_INB(sc, off)	\
-	bus_space_read_1(sc->sc_memt, sc->sc_sramh, (off))
-#define SR_INW(sc, off)	\
-	htons(bus_space_read_2(sc->sc_memt, sc->sc_sramh, (off)))
-#define SR_OUTB(sc, off, val)	\
-	bus_space_write_1((sc)->sc_memt, (sc)->sc_sramh, (off), (val))
-#define SR_OUTW(sc, off, val)	\
-	bus_space_write_2((sc)->sc_memt, (sc)->sc_sramh, (off), htons((val)))
-
-/* macros to deal with accesses to the recv buffers */
-#define RB_INB(sc, rb, reg)	SR_INB(sc, (rb)+(reg))
-#define RB_INW(sc, rb, reg)	SR_INW(sc, (rb)+(reg))
-
-/* macros to deal with the ACA */
-#define ACA_RDB(sc, reg)	MM_INB(sc, ((sc->sc_aca+(reg))|ACA_RW))
-#define ACA_RDW(sc, reg)	MM_INW(sc, ((sc->sc_aca+(reg))|ACA_RW))
-#define ACA_OUTB(sc, reg, val)	MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_RW), (val))
-#define ACA_SETB(sc, reg, val)	MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_SET), (val))
-#define ACA_RSTB(sc, reg, val)	MM_OUTB(sc, ((sc->sc_aca+(reg))|ACA_RST), (val))
-
-/* macros to deal with the SSB */
-#define SSB_INB(sc, ssb, reg)	SR_INB(sc, (ssb)+(reg))
-
-/* macros to deal with the ARB */
-#define ARB_INB(sc, arb, reg)	SR_INB(sc, (arb)+(reg))
-#define ARB_INW(sc, arb, reg)	SR_INW(sc, (arb)+(reg))
-
-/* macros to deal with the SRB */
-#define SRB_INB(sc, srb, reg)	SR_INB(sc, (srb)+(reg))
-#define SRB_INW(sc, srb, reg)	SR_INW(sc, (srb)+(reg))
-#define SRB_OUTB(sc, srb, reg, val)	SR_OUTB(sc, (srb)+(reg), (val))
-#define SRB_OUTW(sc, srb, reg, val)	SR_OUTW(sc, (srb)+(reg), (val))
-
-/* macros to deal with the ASB */
-#define ASB_INB(sc, asb, reg)	SR_INB(sc, (asb)+(reg))
-#define ASB_INW(sc, asb, reg)	SR_INW(sc, (asb)+(reg))
-#define ASB_OUTB(sc, asb, reg, val)	SR_OUTB(sc, (asb)+(reg), (val))
-#define ASB_OUTW(sc, asb, reg, val)	SR_OUTW(sc, (asb)+(reg), (val))
-
-/* macros to deal with the TXCA */
-#define TXCA_INW(sc, reg)	SR_INW(sc, sc->sc_txca+(reg))
-#define TXCA_OUTW(sc, reg, val)	SR_OUTW(sc, sc->sc_txca+(reg), (val))
-
-/* macros to deal with the txbuffers */
-#define TXB_INB(sc, buf, reg)	SR_INB(sc, (buf)+(reg))
-#define TXB_INW(sc, buf, reg)	SR_INW(sc, (buf)+(reg))
-#define TXB_OUTB(sc, buf, reg, val)	SR_OUTB(sc, (buf)+(reg), (val))
-#define TXB_OUTW(sc, buf, reg, val)	SR_OUTW(sc, (buf)+(reg), (val))
-
-/* ACA registers */
-#define ACA_RRR		0
-#define ACA_RRR_e	ACA_RRR
-#define ACA_RRR_o	(ACA_RRR+1)
-#define ACA_WRBR	2
-#define ACA_WRBR_e	ACA_WRBR
-#define ACA_WRBR_o	(ACA_WRBR+1)
-#define ACA_WWOR	4
-#define ACA_WWOR_e	ACA_WWOR
-#define ACA_WWOR_o	(ACA_WWOR+1)
-#define ACA_WWCR	6
-#define ACA_WWCR_e	ACA_WWCR
-#define ACA_WWCR_o	(ACA_WWCR+1)
-#define ACA_ISRP	8
-#define ACA_ISRP_e	ACA_ISRP
-#define ACA_ISRP_o	(ACA_ISRP+1)
-#define ACA_ISRA	10
-#define ACA_ISRA_e	ACA_ISRA
-#define ACA_ISRA_o	(ACA_ISRA+1)
-#define ACA_TCR		12
-#define ACA_TCR_e	ACA_TCR
-#define ACA_TCR_o	(ACA_TCR+1)
-#define ACA_TVR		14
-#define ACA_TVR_e	ACA_TVR
-#define ACA_TVR_o	(ACA_TVR+1)
-
-/* access flags; to be or-ed into offset */
-#define ACA_RW		0
-#define ACA_RST		0x20
-#define ACA_SET		0x40
-
-/* offsets valid for all command blocks */
-#define CMD_CMD		0
-#define CMD_RETCODE	2
-
-/*
- * Structure of SSB (System Status Block)
- */
-#define SSB_SIZE	20		/* size of SSB */
-#define SSB_CMD		0
-#define SSB_CMDCORR	1
-#define SSB_RETCODE	2
-#define SSB_STATIONID	4
-#define SSB_XMITERR	6
-
-/*
- * Structure of ARB (Adapter Request Block)
- */
-#define ARB_SIZE	28		/* size of ARB */
-#define ARB_CMD		0
-#define ARB_STATIONID	4		/* ID of receiving station */
-
-/* receive data command block */
-#define ARB_RXD_BUFADDR	6		/* RAM offset of 1st rec buf */
-#define ARB_RXD_LANHDRLEN	8	/* Length of LAN header */
-#define ARB_RXD_DLCHDRLEN	9	/* Length of DLC header */
-#define ARB_RXD_FRAMELEN	10	/* Length of entire frame */
-#define ARB_RXD_MSGTYPE		12	/* Category of message */
-
-/* transmit data command block */
-#define ARB_XMT_CMDCORR		1
-#define ARB_XMT_DHBADDR		6
-
-/* ring status change information block */
-#define ARB_RINGSTATUS		6
-
-/* DLC status change response block */
-#define ARB_DLCSTAT_STATUS	6	/* status info field */ 
-#define ARB_DLCSTAT_FRMRDATA	8	/* 5 bytes */
-#define ARB_DLCSTAT_ACCPRIO	13
-#define ARB_DLCSTAT_REMADDR	14	/* remote address */
-#define ARB_DLCSTAT_REMSAP	20	/* remote sap */
-
-/*
- * Structure of SRB (System Request Block)
- */
-#define SRB_SIZE	28		/* size of SRB */
-#define SRB_CMD	0
-#define SRB_RETCODE	2
-
-/* contents of SRB after adapter reset */
-#define		INIT_COMPL		0x80	/* in SRB_CMD */
-#define SRB_INIT_STATUS	1
-#define		RSP_DETECT		0x40
-#define		FAST_PATH_TRANSMIT	0x20
-#define		RING_MEASUREMENT	0x08
-#define		RPL			0x02
-#define		RSP_16			0x01
-#define SRB_INIT_STATUS2	2
-#define		PNP			0x80
-#define		SET_DEF_RSP		0x40
-#define		AUTO_DEF_RSP_UPDATE	0x20
-#define SRB_INIT_BUC	6		/* bring up code */
-#define SRB_INIT_ENCADDR	8	/* offset of adapter's */
-					/* permanent encoded address */
-#define SRB_INIT_LVLADDR	10	/* offset of adapter's */
-					/* microcode level */
-#define SRB_INIT_ADAPADDR	12	/* offset of adapter addresses */
-#define SRB_INIT_PARMSADDR	14	/* offset of adapter parameters */
-#define SRB_INIT_MACADDR	16	/* offset of adapter MAC buffer */
-#define SRB_INIT_UTILADDR	18	/* offset of ring utilization measurement */
-
-/* config fast path ram command block */
-#define SRB_CFP_CMDSIZE		12	/* length of command block */
-#define SRB_CFP_RAMSIZE		8
-#define SRB_CFP_BUFSIZE		10
-
-/* config fast path transmit response block */
-#define SRB_CFPRESP_FPXMIT	8	/* offset to transmit control area */
-#define SRB_CFPRESP_SRBADDR	10	/* offset for the next SRB address */
-
-/* open command block */
-#define SRB_OPEN_CMDSIZE	60
-#define SRB_OPEN_OPTIONS	8	/* open options */
-#define SRB_OPEN_NODEADDR	10	/* adapter's ring address */
-#define SRB_OPEN_GROUPADDR	16	/* adapter's group address */
-#define SRB_OPEN_FUNCTADDR	20	/* adapter's functional address */
-#define SRB_OPEN_NUMRCVBUF	24	/* number of receive buffers */
-#define SRB_OPEN_RCVBUFLEN	26	/* length of receive buffers */
-#define SRB_OPEN_DHBLEN		28	/* length of DHBs */
-#define SRB_OPEN_NUMDHB		30	/* number of DHBs */
-#define SRB_OPEN_DLCMAXSAP	32	/* max. number of SAPs */
-#define SRB_OPEN_DLCMAXSTA	33	/* max. number of link stations */
-#define SRB_OPEN_DLCMAXGSAP	34	/* max. number of group SAPs */
-#define SRB_OPEN_DLCMAXGMEM	35	/* max. members per group SAP */
-#define SRB_OPEN_DLCT1TICK1	36	/* timer T1 intvl. group one */
-#define SRB_OPEN_DLCT2TICK1	37	/* timer T7 intvl. group one */
-#define SRB_OPEN_DLCTITICK1	38	/* timer Ti intvl. group one */
-#define SRB_OPEN_DLCT1TICK2	39	/* timer T1 intvl. group two */
-#define SRB_OPEN_DLCT2TICK2	40	/* timer T7 intvl. group two */
-#define SRB_OPEN_DLCTITICK2	41	/* timer Ti intvl. group two */
-#define SRB_OPEN_PODUCTID	42	/* product id (18 bytes) */
-
-/* open command response block */
-#define SRB_OPENRESP_ERRCODE	6
-#define SRB_OPENRESP_ASBADDR	8	/* offset of ASB */
-#define SRB_OPENRESP_SRBADDR	10	/* offset of SRB */
-#define SRB_OPENRESP_ARBADDR	12	/* offset of ARB */
-#define SRB_OPENRESP_SSBADDR	14	/* offset of SSB */
-
-/* open sap command and response block */
-#define SRB_OPNSAP_STATIONID	4	/* ID of SAP after open */
-#define SRB_OPNSAP_TIMERT1	6	/* response timer */
-#define SRB_OPNSAP_TIMERT2	7	/* acknowledge timer */
-#define SRB_OPNSAP_TIMERTI	8	/* inactivity timer */
-#define SRB_OPNSAP_MAXOUT	9	/* max. xmits without ack */
-#define SRB_OPNSAP_MAXIN	10	/* max. recvs without ack */
-#define SRB_OPNSAP_MAXOUTINCR	11	/* window increment value */
-#define SRB_OPNSAP_MAXRETRY	12	/* N2 value */
-#define SRB_OPNSAP_GSAPMAXMEMB	13	/* max. SAPs for a group SAP */
-#define SRB_OPNSAP_MAXIFIELD	14	/* max recv info field length */
-#define SRB_OPNSAP_SAPVALUE	16	/* SAP to be opened */
-#define SRB_OPNSAP_SAPOPTIONS	17	/* options to be set */
-#define SRB_OPNSAP_STATIONCNT	18	/* num of link stations to reserve */
-#define SRB_OPNSAP_SAPGSAPMEMB	19	/* number of GSAP members */
-#define SRB_OPNSAP_GSAP1	20	/* first gsap request */
-
-/* read log command and response block */
-#define SRB_RLOG_LOGDATA	14	/* 14 bytes of log data */
-#define SRB_LOG_LINEERRS	(SRB_RLOG_LOGDATA+0)	/* line errors */
-#define SRB_LOG_INTERRS		(SRB_RLOG_LOGDATA+1)	/* internal errors */
-#define SRB_LOG_BRSTERRS	(SRB_RLOG_LOGDATA+2)	/* burst errors */
-#define SRB_LOG_ACERRS		(SRB_RLOG_LOGDATA+3)	/* AC errors */
-#define SRB_LOG_ABRTERRS	(SRB_RLOG_LOGDATA+4)	/* abort errors */
-#define SRB_LOG_LOSTFRMS	(SRB_RLOG_LOGDATA+6)	/* lost frames */
-#define SRB_LOG_RCVCONG		(SRB_RLOG_LOGDATA+7)	/* receive congestion count */
-#define SRB_LOG_FCPYERRS	(SRB_RLOG_LOGDATA+8)	/* frame copied errors */
-#define SRB_LOG_FREQERRS	(SRB_RLOG_LOGDATA+9)	/* frequency erros  */
-#define SRB_LOG_TOKENERRS	(SRB_RLOG_LOGDATA+10)	/* token errors */
-
-/* set default ring speed command */
-#define SRB_SET_DEFRSP		6
-
-/*
- * Structure of ASB (Adapter Status Block)
- */
-#define ASB_SIZE	12		/* size of ASB */
-#define RECV_CMD	0
-#define RECV_RETCODE	2
-#define RECV_STATIONID	4
-
-#define RECV_RESP_RECBUFADDR	6
-
-/* host response to xmit-req-data command */
-#define XMIT_CMD	0
-#define XMIT_CMDCORR	1		/* command correlator */
-#define XMIT_RETCODE	2		/* return code */
-#define XMIT_STATIONID	4		/* id of sending station */
-#define XMIT_FRAMELEN	6		/* length of entire frame */
-#define XMIT_HDRLEN	8		/* length of LAN header */
-#define XMIT_REMSAP	9		/* remote SAP */
-#define XMIT_DATA	10		/* offset of first data byte */
-/* fast path specific data */
-#define XMIT_LASTBUF	12
-#define XMIT_FRAMEPTR	14
-#define XMIT_NEXTBUF	16
-#define XMIT_STATUS	18
-#define XMIT_STRIPFS	19
-#define XMIT_BUFLEN	20
-#define XMIT_FP_DATA	22		/* offset of first data byte */
-
-#if 0	/* XXXchb unused? */
-/*
- *	Adapter addresses
- */
-struct adapt_addr {
-	unsigned char   node_addr[6];	/* Adapter node address */
-	unsigned char   grp_addr[4];	/* Adapter group address */
-	unsigned char   func_addr[4];	/* Adapter functional address */
-};
-
-/*
- *	Adapter parameters
- */
-struct param_addr {
-	unsigned char   phys_addr[4];	/* Adapter physical address */
-	unsigned char   up_node_addr[6];	/* Next active upstream node
-					 * addr */
-	unsigned char   up_phys_addr[4];	/* Next active upstream phys
-					 * addr */
-	unsigned char   poll_addr[6];	/* Last poll address */
-	unsigned char   res0[2];/* Reserved */
-	unsigned char   acc_priority[2];	/* Transmit access priority */
-	unsigned char   src_class[2];	/* Source class authorization */
-	unsigned char   att_code[2];	/* Last attention code */
-	unsigned char   src_addr[6];	/* Last source address */
-	unsigned char   bcon_type[2];	/* Last beacon type */
-	unsigned char   major_vector[2];	/* Last major vector */
-	unsigned char   ring_stat[2];	/* ring status */
-	unsigned char   soft_error[2];	/* soft error timer value */
-	unsigned char   fe_error[2];	/* front end error counter */
-	unsigned char   next_state[2];	/* next state indicator */
-	unsigned char   mon_error[2];	/* Monitor error code */
-	unsigned char   bcon_xmit[2];	/* Beacon transmit type */
-	unsigned char   bcon_receive[2];	/* Beacon receive type */
-	unsigned char   frame_correl[2];	/* Frame correlator save */
-	unsigned char   bcon_naun[6];	/* beacon station NAUN */
-	unsigned char   res1[4];/* Reserved */
-	unsigned char   bcon_phys[4];	/* Beacon station physical addr */
-};
-#endif
-
-#define TXCA_BUFFER_COUNT	0
-#define TXCA_FREE_QUEUE_HEAD	2
-#define TXCA_FREE_QUEUE_TAIL	4
-#define TXCA_ADAPTER_QUEUE_HEAD	6
-#define TXCA_BUFFER_SIZE	8
-#define TXCA_COMPLETION_QUEUE_TAIL	10
-
-/* Adapter receive buffer structure */
-#define RB_NEXTBUF	2	/* offset of next buf plus 2 in sram */
-#define RB_FS		5	/* FS/addr match (last buf only) */
-#define RB_BUFLEN	6	/* length of data in this buffer */
-#define RB_DATA		8	/* RCV_BUF_DLEN bytes frame data */
-
-/* Misc. structure sizes. */
-#define SAPCB_SIZE	64	/* size of SAP control block */
-#define LSCB_SIZE	144	/* size of DLC link station control block */
-
-/* memory in shared ram area that is reserved by the adapter */
-#define PRIVRAM_SIZE	1416	/* adapter private ram area */
-#define RESVDMEM_SIZE	(PRIVRAM_SIZE+ARB_SIZE+SSB_SIZE+SRB_SIZE+ASB_SIZE)
-
-/* Memory offsets of adapter control areas */
-
-#define TR_SRAM_DEFAULT	0xd8000
-
-/* Offset of MMIO region */
-#define TR_MMIO_OFFSET	0x80000 
-#define TR_MMIO_MINADDR	0xc0000
-#define TR_MMIO_MAXADDR 0xde000
-#define TR_MMIO_SIZE	8192
-
-#define	TR_ACA_OFFSET	0x1e00	/* Offset of ACA in MMIO region */
-/*
- * XXX Create AIP structure 
- */
-#define TR_MAC_OFFSET	0x1f00	/* Offset of MAC address in MMIO region */
-#define TR_ID_OFFSET	0x1f30	/* Offset of ID in MMIO region */
-#define TR_TYP_OFFSET	0x1fa0	/* Offset of TYP in MMIO region */
-#define TR_RATES_OFFSET	0x1fa2	/* Offset of supported speeds in MMIO region */
-#define TR_RAM_OFFSET	0x1fa6	/* Offset of available shared RAM */
-#define TR_PAGE_OFFSET	0x1fa8	/* Offset of shared-RAM paging support */
-#define TR_DHB4_OFFSET	0x1faa	/* Offset of available DHB size at 4Mbit */
-#define TR_DHB16_OFFSET	0x1fac	/* Offset of available DHB size at 16Mbit */
-#define TR_MEDIAS_OFFSET 0x1fb6	/* Offset of supported media types in MMIO */
-#define TR_MEDIA_OFFSET	0x1fb8  /* Offset of selected media type in MMIO */
-#define TR_IRQ_OFFSET	0x1fba	/* Offset of IRQs supported in MMIO region */
-
-/* Bring-Up Test results */
-
-#define	BUT_OK			0x0000	/* Initialization completed OK */
-#define	BUT_PROCESSOR_FAIL	0x0020	/* Failed processor initialization */
-#define	BUT_ROM_FAIL		0x0022	/* Failed ROM test diagnostic */
-#define	BUT_RAM_FAIL		0x0024	/* Failed RAM test diagnostic */
-#define	BUT_INST_FAIL		0x0026	/* Failed instruction test diag. */
-#define	BUT_INTER_FAIL		0x0028	/* Failed interrupt test diagnostic */
-#define	BUT_MEM_FAIL		0x002a	/* Failed memory interface diag. */
-#define	BUT_PROTOCOL_FAIL	0x002c	/* Failed protocol handler diag. */
-
-
-/* Direct PC-to-adapter commands */
-
-#define	DIR_INTERRUPT		0x00	/* Cause adapter to interrupt the PC */
-#define	DIR_MOD_OPEN_PARAMS	0x01	/* Modify open options */
-#define DIR_RESTORE_OPEN_PARMS	0x02	/* Restore open options */
-#define	DIR_OPEN_ADAPTER	0x03	/* Open the adapter card */
-#define	DIR_CLOSE		0x04	/* Close adapter card */
-#define	DIR_SET_GRP_ADDR	0x06	/* Set adapter group address */
-#define	DIR_SET_FUNC_ADDR	0x07	/* Set adapter functional addr */
-#define	DIR_READ_LOG		0x08	/* Read and reset error counters */
-#define DIR_SET_BRIDGE_PARMS	0x09
-#define DIR_CONFIG_BRIDGE_RAM	0x0c
-#define DIR_CONFIG_FAST_PATH_RAM	0x12
-#define DIR_SINGLE_ROUTE_BROADCAST	0x1f
-#define DIR_SET_DEFAULT_RING_SPEED	0x21
-
-#define XMIT_DIR_FRAME		0x0a	/* Direct station transmit */
-#define XMIT_I_FRAME		0x0b
-#define XMIT_UI_FRM 		0x0d	/* transmit unnumbered info frame */
-#define XMIT_XID_CMD		0x0e	/* transmit XID command */
-#define XMIT_XID_RESP_FINAL	0x0f
-#define XMIT_XID_RESP_NOT_FINAL	0x10
-#define XMIT_TEST_CMD		0x11	/* transmit TEST command */
-
-
-/* Adapter-Card-to-PC commands */
-
-#define	REC_DATA		0x81	/* Data received from ring station */
-#define	XMIT_DATA_REQ		0x82	/* Adapter needs data to xmit */
-#define	DLC_STATUS   		0x83    /* DLC status has changed */
-#define	RING_STAT_CHANGE	0x84	/* Adapter has new ring-status info */
-#define REC_BRIDGE_DATA		0x85
-#define REXMIT_DATA_REQ		0x86
-
-/* Open options */
-
-#define	OPEN_WRAP		0x8000	/* Wrap xmit data to receive data */
-#define	OPEN_NO_HARD_ERR	0x4000	/* Ring hard error and xmit beacon */
-					/* conditions do not cause interrupt */
-#define	OPEN_NO_SOFT_ERR	0x2000	/* Ring soft errors do not cause */
-					/* interrupt */
-#define	OPEN_PASS_MAC		0x1000	/* Pass all adapter-class MAC frames */
-					/* received but not supported by the */
-					/* adapter */
-#define	OPEN_PASS_ATTN_MAC	0x0800	/* Pass all attention-class MAC */
-					/* frames != the previously received */
-					/* attention MAC frame */
-#define	OPEN_PASS_BCON_MAC	0x0100	/* Pass the first beacon MAC frame */
-					/* and all subsequent beacon MAC */
-					/* frames that have a change in */
-					/* source address or beacon type */
-#define	OPEN_CONT		0x0080	/* Adapter will participate in */
-					/* monitor contention */
-
-#define	NUM_RCV_BUF		4	/* Number of receive buffers in */
-					/* shared RAM needed for adapter to */
-					/* open */
-#define	RCV_BUF_LEN		520	/* Length of each receive buffer */
-#define	RCV_BUF_DLEN		RCV_BUF_LEN - 8	/* Length of data in rec buf */
-
-#define	DHB_LENGTH		512	/* Length of each transmit buffer */
-#define FP_BUF_LEN		536	/* length of each FP transmit buffer */
-
-/*
- * Integrity cannot be guaranteed if number of dhbs > 2
- */
-#define	NUM_DHB			1	/* Number of transmit buffers */
-
-#define	DLC_MAX_SAP		0	/* MAX number of SAPs */
-#define DLC_MAX_STA		0	/* MAX number of link stations */
-#define	DLC_MAX_GSAP		0	/* MAX number of group SAPs */
-#define	DLC_MAX_GMEM		0	/* MAX number of SAPs that can be */
-					/* assigned to any given group */
-#define	DLC_TICK		0	/* Zero selects default of 40ms */
-
-
-/* Open return codes */
-
-#define	OPEN_OK			0x00	/* Open completed successfully */
-#define	OPEN_BAD_COMMAND	0x01	/* Invalid command code */
-#define	OPEN_ALREADY		0x03	/* Adapter is ALREADY open */
-#define	OPEN_MISSING_PARAMS	0x05	/* Required parameters missing */
-#define	OPEN_UNRECOV_FAIL	0x07	/* Unrecoverable failure occurred */
-#define	OPEN_INAD_REC_BUFS	0x30	/* Inadequate receive buffers */
-#define	OPEN_BAD_NODE_ADDR	0x32	/* Invalid NODE address */
-#define	OPEN_BAD_REC_BUF_LEN	0x33	/* Invalid receive buffer length */
-#define	OPEN_BAD_XMIT_BUF_LEN	0x43	/* Invalid transmit buffer length */
-
-/* Bit definitions of ISRA High Byte, (Adapter Status)  */
-#define PARITY_ERROR	0x80	/* Parity error on the adapter's internal bus */
-#define	TIMER_STAT	0x40	/* A Timer Control Reg. has an interrupt */
-#define	ACCESS_STAT	0x20	/* Shared RAM or MMIO access violation */
-#define	DEADMAN_TIMER	0x10	/* The deadman timer has expired */
-#define PROCESSOR_CK	0x08	/* Adapter Processor Check */
-#define	H_INT_MASK	0x02	/* When on, no adapter hardware interrupts */
-#define	S_INT_MASK	0x01	/* When on, no adapter software interrupts */
-
-/* Bit definitions of ISRA Low Byte, (Used by PC to interrupt adapter) */
-#define XMIT_REQ	0x40	/* Transmit frame in fast path transmit buf */
-#define	CMD_IN_SRB	0x20	/* Inform adapter of command in SRB */
-#define	RESP_IN_ASB	0x10	/* Inform adapter of response in ASB */
-#define	SRB_FREE	0x08	/* Inform PC when SRB is FREE */
-#define	ASB_FREE	0x04	/* Inform PC when ASB is FREE */
-#define	ARB_FREE	0x02	/* Inform adapter ARB is FREE */
-#define	SSB_FREE	0x01	/* Inform adapter SSB is FREE */
-
-/* Bit definitions of ISRP High Byte, (PC interrupts and interrupt control) */
-#define	NMI_INT_CTL	0x80	/* 1 = all interrupts to PC interrupt level */
-				/* 0 = error and timer interrupts to PC NMI */
-#define	INT_ENABLE	0x40	/* Allow adapter to interrupt the PC */
-#define	TCR_INT		0x10	/* Timer Control Reg. has interrupt for PC */
-#define	ERR_INT		0x08	/* Adap machine check, deadman timer, overrun */
-#define	ACCESS_INT	0x04	/* Shared RAM or MMIO access violation */
-#define	SHARED_INT_BLK	0x02	/* Shared interrupt blocked */
-#define	PRIM_ALT_ADDR	0x01	/* 0 = primary adapter address */
-				/* 1 = alternate adapter address */
-
-/* Bit definitions of ISRP Low Byte, (PC interrupts) */
-#define	ADAP_CHK_INT	0x40	/* The adapter has an unrecoverable error */
-#define	SRB_RESP_INT	0x20	/* Adapter has placed a response in the SRB */
-#define	ASB_FREE_INT	0x10	/* Adapter has read response in ARB */
-#define	ARB_CMD_INT	0x08	/* ARB has command for PC to act on */
-#define	SSB_RESP_INT	0x04	/* SSB has response to previous SRB command */
-#define XMIT_COMPLETE	0x02	/* Fast path transmit frame complete */
-
-
-/* Constants for Token-Ring physical header */
-#define	DLC_HDR_LEN	0x3	/* Length of DLC header */
-#define	SNAP_LENGTH     0x05	/* SNAP field length */              
-				/* protocol id = 3 bytes */
-				/* ethertype = 2 bytes */
-#define HDR_LNGTH_NOROUTE 14    /* length of header with no route info */
-#define SKIP_DSAP_SSAP    0x02  /* length of dsap and ssap in llc frame */
-#define TR_MAX_LINK_HDR	46	/* max length of link header with route info */
-
-/* SAP DLC SRB commands (page 6-50 Token Ring Tech. Ref.) */
-#define DLC_RESET		0x14
-#define DLC_OPEN_SAP		0x15    /* activate service access point */
-#define DLC_CLOSE_SAP		0x16	/* de-activate SAP */
-#define DLC_REALLOCATE		0x17
-#define DLC_OPEN_STATION	0x19
-#define DLC_CLOSE_STATION	0x1a
-#define DLC_CONNECT_STATION	0x1b
-#define DLC_MODIFY		0x1c
-#define DLC_FLOW_CONTROL	0x1d
-#define DLC_STATISTICS		0x1e
-
-
-/* ARB RING STATUS CHANGE */
-#define SIGNAL_LOSS	0x8000	/* signal loss */
-#define HARD_ERR	0x4000	/* beacon frames sent */
-#define SOFT_ERR   	0x2000  /* soft error */
-#define LOBE_FAULT 	0x0800  /* lobe wire fault */
-#define LOG_OFLOW	0x0080	/* adapter error log counter overflow */
-#define SINGLE_STATION	0x0040	/* single station on ring */
diff --git a/sys/dev/ic/tropicvar.h b/sys/dev/ic/tropicvar.h
index 97537d3f347..e69de29bb2d 100644
--- a/sys/dev/ic/tropicvar.h
+++ b/sys/dev/ic/tropicvar.h
@@ -1,105 +0,0 @@
-/*	$OpenBSD: tropicvar.h,v 1.3 2002/03/14 01:26:55 millert Exp $	*/
-/*	$NetBSD: tropicvar.h,v 1.4 1999/10/17 23:53:45 cgd Exp $	*/
-
-/* 
- * Mach Operating System
- * Copyright (c) 1991 Carnegie Mellon University
- * Copyright (c) 1991 IBM Corporation 
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation,
- * and that the name IBM not be used in advertising or publicity 
- * pertaining to distribution of the software without specific, written
- * prior permission.
- * 
- * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION.  CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- * 
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- * 
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-
-/* $ACIS:if_lanvar.h 12.0$ */
-
-/*
- * This file contains structures used in the "tr" driver for the
- *	IBM TOKEN-RING NETWORK PC ADAPTER
- */
-
-/* Receive buffer control block */
-struct rbcb {
-	bus_size_t	rbufp;		/* offset of current receive buffer */
-	bus_size_t	rbufp_next;	/* offset of next receive buffer */
-	bus_size_t	rbuf_datap;	/* offset of data in receive buffer */
-	unsigned short  data_len;	/* amount of data in this rec buffer */
-};
-
-/*
- *	Token-Ring software status per adapter
- */
-struct	tr_softc {
-	struct device sc_dev;
-	void 	*sc_ih;
-	struct arpcom sc_arpcom;
-	struct ifmedia	sc_media;
-	u_char	sc_xmit_correlator;
-	int	sc_xmit_buffers;
-#if 1
-	int	sc_xmit_head;
-	int	sc_xmit_tail;
-#endif
-	int	sc_minbuf;
-	int	sc_nbuf;
-	bus_size_t sc_txca;
-
-	bus_space_tag_t sc_piot;
-	bus_space_tag_t sc_memt;
-	bus_space_handle_t sc_pioh;	/* handle pio area */
-	bus_space_handle_t sc_sramh;	/* handle for the shared ram area */
-	bus_space_handle_t sc_mmioh;	/* handle for the bios/mmio area */
-
-	struct timeout init_timeout;
-	struct timeout reinit_timeout;
-
-	int (*sc_mediachange)(struct tr_softc *);
-	void (*sc_mediastatus)(struct tr_softc *, struct ifmediareq *);
-	struct rbcb rbc;	/* receiver buffer control block */
-	bus_size_t sc_aca;	/* offset of adapter ACA */
-	bus_size_t sc_ssb;	/* offset of System Status Block */
-	bus_size_t sc_arb;	/* offset of Adapter Request Block */
-	bus_size_t sc_srb;	/* offset of System Request Block */
-	bus_size_t sc_asb;	/* offset of Adapter Status Block */
-	u_int sc_maddr;		/* mapped shared memory address */
-	u_int sc_memwinsz;	/* mapped shared memory window size */
-	u_int sc_memsize;	/* memory installed on adapter */
-	u_int sc_memreserved;	/* reserved memory on adapter */
-	int sc_dhb4maxsz;	/* max. dhb size at 4MBIT ring speed */
-	int sc_dhb16maxsz;	/* max. dbh size at 16MBIT ring speed */
-	int sc_maxmtu;		/* max. MTU supported by adapter */
-	unsigned char	sc_init_status;
-	caddr_t  tr_sleepevent;     	/* tr event signalled on successful */
-					/* open of adapter  */
-	unsigned short exsap_station;	/* station assigned by open sap cmd */
-};
-
-int tr_config(struct tr_softc *);
-int tr_attach(struct tr_softc *);
-int tr_intr(void *);
-void tr_init(void *);
-int tr_ioctl(struct ifnet *, u_long, caddr_t);
-void tr_stop(struct tr_softc *);
-int tr_reset(struct tr_softc *);
-void tr_sleep(struct tr_softc *);
-int tr_setspeed(struct tr_softc *, u_int8_t);