retire obsolete mn(4) sync serial driver

Approved by:	phk
Relnotes:	yes

6 files changed, 4 insertions, 1497 deletions

diff --git a/ObsoleteFiles.inc b/ObsoleteFiles.inc
index 2132dc4289b4..f4c6909cc10a 100644
--- a/ObsoleteFiles.inc
+++ b/ObsoleteFiles.inc
@@ -36,6 +36,10 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20210322: retire mn(4) sync serial driver
+OLD_FILES+=usr/share/man/man4/if_mn.4.gz
+OLD_FILES+=usr/share/man/man4/mn.4.gz
+
 # 20210318: remove the terminfo database
 OLD_FILES+=usr/share/terminfo/1/1178
 OLD_FILES+=usr/share/terminfo/1/1730-lm
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index c29bb80c7a58..f5a8f98b5bab 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -307,7 +307,6 @@ MAN=	aac.4 \
 	mly.4 \
 	mmc.4 \
 	mmcsd.4 \
-	mn.4 \
 	mod_cc.4 \
 	mos.4 \
 	mouse.4 \
@@ -710,7 +709,6 @@ MLINKS+=mem.4 kmem.4
 MLINKS+=mfi.4 mfi_linux.4 \
 	mfi.4 mfip.4
 MLINKS+=mlx5en.4 mce.4
-MLINKS+=mn.4 if_mn.4
 MLINKS+=mos.4 if_mos.4
 MLINKS+=msk.4 if_msk.4
 MLINKS+=mwl.4 if_mwl.4
diff --git a/share/man/man4/mn.4 b/share/man/man4/mn.4
deleted file mode 100644
index f034a1b10d45..000000000000
--- a/share/man/man4/mn.4
+++ /dev/null
@@ -1,61 +0,0 @@
-.\" Copyright (c) 2005 Christian Brueffer
-.\" 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.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND ITS AND CONTRIBUTORS
-.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTORS
-.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-.\" POSSIBILITY OF SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd December 6, 2020
-.Dt MN 4
-.Os
-.Sh NAME
-.Nm mn
-.Nd "Siemens Easy321-R1 E1/T1 device driver"
-.Sh SYNOPSIS
-.Cd "device mn"
-.Cd "options NETGRAPH"
-.Sh DEPRECATION NOTICE
-The
-.Nm
-driver is not present in
-.Fx 13.0
-and later.
-.Sh HARDWARE
-The
-.Nm
-driver provides support for the Siemens Easy321-R1 E1/T1 reference
-design card.
-.Sh SEE ALSO
-.Xr netgraph 4 ,
-.Xr netintro 4 ,
-.Xr pci 4 ,
-.Xr ifconfig 8
-.Sh HISTORY
-The
-.Nm
-driver first appeared in
-.Fx 4.0 .
-.Sh AUTHORS
-The
-.Nm
-driver was written by
-.An Poul-Henning Kamp Aq Mt phk@FreeBSD.org .
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index f73b5a466366..0d9a64a88b0f 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -824,8 +824,6 @@ options 	NGATM_SSCFU
 options 	NGATM_UNI
 options 	NGATM_CCATM
 
-device		mn	# Munich32x/Falc54 Nx64kbit/sec cards.
-
 # Network stack virtualization.
 options	VIMAGE
 options	VNET_DEBUG	# debug for VIMAGE
diff --git a/sys/conf/files b/sys/conf/files
index ea2bd6db4ab0..c3f36ca07022 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -2475,7 +2475,6 @@ dev/mmc/mmcbus_if.m		standard
 dev/mmc/mmcsd.c			optional mmcsd !mmccam
 dev/mmc/mmc_fdt_helpers.c	optional mmc fdt | mmccam fdt
 dev/mmcnull/mmcnull.c		optional mmcnull
-dev/mn/if_mn.c			optional mn pci
 dev/mpr/mpr.c			optional mpr
 dev/mpr/mpr_config.c		optional mpr
 # XXX Work around clang warning, until maintainer approves fix.
diff --git a/sys/dev/mn/if_mn.c b/sys/dev/mn/if_mn.c
deleted file mode 100644
index bb329b24c24e..000000000000
--- a/sys/dev/mn/if_mn.c
+++ /dev/null
@@ -1,1431 +0,0 @@
-/*-
- * SPDX-License-Identifier: Beerware
- *
- * ----------------------------------------------------------------------------
- * "THE BEER-WARE LICENSE" (Revision 42):
- * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
- * can do whatever you want with this stuff. If we meet some day, and you think
- * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
- * ----------------------------------------------------------------------------
- */
-
-/*
- * Driver for Siemens reference design card "Easy321-R1".
- *
- * This card contains a FALC54 E1/T1 framer and a MUNICH32X 32-channel HDLC
- * controller. 
- *
- * The driver supports E1 mode with up to 31 channels.  We send CRC4 but don't
- * check it coming in.
- *
- * The FALC54 and MUNICH32X have far too many registers and weird modes for
- * comfort, so I have not bothered typing it all into a "fooreg.h" file,
- * you will (badly!) need the documentation anyway if you want to mess with
- * this gadget.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * Stuff to describe the MUNIC32X and FALC54 chips.
- */
-
-#define M32_CHAN	32	/* We have 32 channels */
-#define M32_TS		32	/* We have 32 timeslots */
-
-#define NG_MN_NODE_TYPE	"mn"
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/sysctl.h>
-#include <sys/bus.h>
-#include <sys/mbuf.h>
-#include <sys/systm.h>
-#include <sys/malloc.h>
-
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcivar.h>
-#include "pci_if.h"
-
-#include <machine/bus.h>
-#include <machine/resource.h>
-
-#include <sys/rman.h>
-
-#include <vm/vm.h>
-#include <vm/pmap.h>
-
-#include <netgraph/ng_message.h>
-#include <netgraph/netgraph.h>  
-
-
-static int mn_maxlatency = 1000;
-SYSCTL_INT(_debug, OID_AUTO, mn_maxlatency, CTLFLAG_RW, 
-    &mn_maxlatency, 0, 
-	"The number of milliseconds a packet is allowed to spend in the output queue.  "
-	"If the output queue is longer than this number of milliseconds when the packet "
-	"arrives for output, the packet will be dropped."
-);
-
-#ifndef NMN
-/* Most machines don't support more than 4 busmaster PCI slots, if even that many */
-#define NMN	4
-#endif
-
-/* From: PEB 20321 data sheet, p187, table 22 */
-struct m32xreg {
-	u_int32_t conf,    cmd,     stat,    imask;
-	u_int32_t fill10,  piqba,   piql,    fill1c;
-	u_int32_t mode1,   mode2,   ccba,    txpoll;
-	u_int32_t tiqba,   tiql,    riqba,   riql;
-	u_int32_t lconf,   lccba,   fill48,  ltran;
-	u_int32_t ltiqba,  ltiql,   lriqba,  lriql;
-	u_int32_t lreg0,   lreg1,   lreg2,   lreg3;
-	u_int32_t lreg4,   lreg5,   lre6,    lstat;
-	u_int32_t gpdir,   gpdata,  gpod,    fill8c;
-	u_int32_t ssccon,  sscbr,   ssctb,   sscrb;
-	u_int32_t ssccse,  sscim,   fillab,  fillac;
-	u_int32_t iomcon1, iomcon2, iomstat, fillbc; 
-	u_int32_t iomcit0, iomcit1, iomcir0, iomcir1;
-	u_int32_t iomtmo,  iomrmo,  filld8,  filldc;
-	u_int32_t mbcmd,   mbdata1, mbdata2, mbdata3;
-	u_int32_t mbdata4, mbdata5, mbdata6, mbdata7;
-};
-
-/* From: PEB 2254 data sheet, p80, table 10 */
-struct f54wreg {
-	u_int16_t xfifo;
-	u_int8_t                  cmdr,   mode,   rah1,   rah2,   ral1,   ral2;
-	u_int8_t  ipc,    ccr1,   ccr3,   pre,    rtr1,   rtr2,   rtr3,   rtr4;
-	u_int8_t  ttr1,   ttr2,   ttr3,   ttr4,   imr0,   imr1,   imr2,   imr3;
-	u_int8_t  imr4,   fill19, fmr0,   fmr1,   fmr2,   loop,   xsw,    xsp;
-	u_int8_t  xc0,    xc1,    rc0,    rc1,    xpm0,   xpm1,   xpm2,   tswm;
-	u_int8_t  test1,  idle,   xsa4,   xsa5,   xsa6,   xsa7,   xsa8,   fmr3;
-	u_int8_t  icb1,   icb2,   icb3,   icb4,   lim0,   lim1,   pcd,    pcr;
-	u_int8_t  lim2,   fill39[7];
-	u_int8_t  fill40[8];
-	u_int8_t  fill48[8];
-	u_int8_t  fill50[8];
-	u_int8_t  fill58[8];
-	u_int8_t  dec,    fill61, test2,  fill63[5];
-	u_int8_t  fill68[8];
-	u_int8_t  xs[16];
-};
-
-/* From: PEB 2254 data sheet, p117, table 10 */
-struct f54rreg {
-	u_int16_t rfifo;
-	u_int8_t                  fill2,  mode,   rah1,   rah2,   ral1,   ral2;
-	u_int8_t  ipc,    ccr1,   ccr3,   pre,    rtr1,   rtr2,   rtr3,   rtr4;
-	u_int8_t  ttr1,   ttr2,   ttr3,   ttr4,   imr0,   imr1,   imr2,   imr3;
-	u_int8_t  imr4,   fill19, fmr0,   fmr1,   fmr2,   loop,   xsw,    xsp;
-	u_int8_t  xc0,    xc1,    rc0,    rc1,    xpm0,   xpm1,   xpm2,   tswm;
-	u_int8_t  test,   idle,   xsa4,   xsa5,   xsa6,   xsa7,   xsa8,   fmr13;
-	u_int8_t  icb1,   icb2,   icb3,   icb4,   lim0,   lim1,   pcd,    pcr;
-	u_int8_t  lim2,   fill39[7];
-	u_int8_t  fill40[8];
-	u_int8_t  fill48[4],                      frs0,   frs1,   rsw,    rsp;
-	u_int16_t fec,            cvc,            cec1,           ebc;
-	u_int16_t cec2,           cec3;
-	u_int8_t                                  rsa4,   rsa5,   rsa6,   rsa7;
-	u_int8_t  rsa8,   rsa6s,  tsr0,   tsr1,   sis,    rsis;
-	u_int16_t                                                 rbc;
-	u_int8_t  isr0,   isr1,   isr2,   isr3,   fill6c, fill6d, gis,    vstr;
-	u_int8_t  rs[16];
-};
-
-/* Transmit & receive descriptors */
-struct trxd {
-	u_int32_t	flags;
-	vm_offset_t	next;
-	vm_offset_t	data;
-	u_int32_t	status;	/* only used for receive */
-	struct mbuf	*m;	/* software use only */
-	struct trxd	*vnext;	/* software use only */
-};
-
-/* Channel specification */
-struct cspec {
-	u_int32_t	flags;
-	vm_offset_t	rdesc;
-	vm_offset_t	tdesc;
-	u_int32_t	itbs;
-};
-
-struct m32_mem {
-	vm_offset_t	csa;
-	u_int32_t	ccb;
-	u_int32_t	reserve1[2];
-	u_int32_t	ts[M32_TS];
-	struct cspec	cs[M32_CHAN];
-	vm_offset_t	crxd[M32_CHAN];
-	vm_offset_t	ctxd[M32_CHAN];
-};
-
-struct mn_softc;
-struct sockaddr;
-
-static	int	mn_probe(device_t self);
-static	int	mn_attach(device_t self);
-static	void	mn_create_channel(struct mn_softc *sc, int chan);
-static	int	mn_reset(struct mn_softc *sc);
-static	struct trxd * mn_alloc_desc(void);
-static	void	mn_free_desc(struct trxd *dp);
-static	void	mn_intr(void *xsc);
-static	u_int32_t mn_parse_ts(const char *s, int *nbit);
-#ifdef notyet
-static	void	m32_dump(struct mn_softc *sc);
-static	void	f54_dump(struct mn_softc *sc);
-static	void	mn_fmt_ts(char *p, u_int32_t ts);
-#endif /* notyet */
-static	void	f54_init(struct mn_softc *sc);
-
-static	ng_constructor_t ngmn_constructor;
-static	ng_rcvmsg_t ngmn_rcvmsg;
-static	ng_shutdown_t ngmn_shutdown;
-static	ng_newhook_t ngmn_newhook;
-static	ng_connect_t ngmn_connect;
-static	ng_rcvdata_t ngmn_rcvdata;
-static	ng_disconnect_t ngmn_disconnect;
-
-static struct ng_type mntypestruct = {
-	.version =	NG_ABI_VERSION,
-	.name =		NG_MN_NODE_TYPE,
-	.constructor =	ngmn_constructor,
-	.rcvmsg =	ngmn_rcvmsg,
-	.shutdown =	ngmn_shutdown,
-	.newhook =	ngmn_newhook,
-	.connect =	ngmn_connect,
-	.rcvdata =	ngmn_rcvdata,
-	.disconnect =	ngmn_disconnect,
-};
-
-static MALLOC_DEFINE(M_MN, "mn", "Mx driver related");
-
-#define NIQB	64
-
-struct schan {
-	enum {DOWN, UP} state;
-	struct mn_softc	*sc;
-	int		chan;
-	u_int32_t	ts;
-	char		name[8];
-	struct trxd	*r1, *rl;
-	struct trxd	*x1, *xl;
-	hook_p		hook;
-
-	time_t		last_recv;
-	time_t		last_rxerr;
-	time_t		last_xmit;
-
-	u_long		rx_error;
-
-	u_long		short_error;
-	u_long		crc_error;
-	u_long		dribble_error;
-	u_long		long_error;
-	u_long		abort_error;
-	u_long		overflow_error;
-
-	int		last_error;
-	int		prev_error;
-
-	u_long		tx_pending;
-	u_long		tx_limit;
-};
-
-enum framing {WHOKNOWS, E1, E1U, T1, T1U};
-
-struct mn_softc {
-	int	unit;
-	device_t	dev;
-	struct resource *irq;
-	void *intrhand;
-	enum framing	framing;
-	int 		nhooks;
-	void 		*m0v, *m1v;
-	vm_offset_t	m0p, m1p;
-	struct m32xreg	*m32x;
-	struct f54wreg	*f54w;
-	struct f54rreg	*f54r;
-	struct m32_mem	m32_mem;
-	u_int32_t	tiqb[NIQB];
-	u_int32_t	riqb[NIQB];
-	u_int32_t	piqb[NIQB];
-	u_int32_t	ltiqb[NIQB];
-	u_int32_t	lriqb[NIQB];
-	char		name[8];
-	u_int32_t	falc_irq, falc_state, framer_state;
-	struct schan *ch[M32_CHAN];
-	char	nodename[NG_NODESIZ];
-	node_p	node;
-
-	u_long		cnt_fec;
-	u_long		cnt_cvc;
-	u_long		cnt_cec1;
-	u_long		cnt_ebc;
-	u_long		cnt_cec2;
-	u_long		cnt_cec3;
-	u_long		cnt_rbc;
-};
-
-static int
-ngmn_constructor(node_p node)
-{
-
-	return (EINVAL);
-}
-
-static int
-ngmn_shutdown(node_p nodep)
-{
-
-	return (EINVAL);
-}
-
-static void
-ngmn_config(node_p node, char *set, char *ret)
-{
-	struct mn_softc *sc;
-	enum framing wframing;
-
-	sc = NG_NODE_PRIVATE(node);
-
-	if (set != NULL) {
-		if (!strncmp(set, "line ", 5)) {
-			wframing = sc->framing;
-			if (!strcmp(set, "line e1")) {
-				wframing = E1;
-			} else if (!strcmp(set, "line e1u")) {
-				wframing = E1U;
-			} else {
-				strcat(ret, "ENOGROK\n");
-				return;
-			}
-			if (wframing == sc->framing)
-				return;
-			if (sc->nhooks > 0) {
-				sprintf(ret, "Cannot change line when %d hooks open\n", sc->nhooks);
-				return;
-			}
-			sc->framing = wframing;
-#if 1
-			f54_init(sc);
-#else
-			mn_reset(sc);
-#endif
-		} else {
-			printf("%s CONFIG SET [%s]\n", sc->nodename, set);
-			strcat(ret, "ENOGROK\n");
-			return;
-		}
-	}
-	
-}
-
-static int
-ngmn_rcvmsg(node_p node, item_p item, hook_p lasthook)
-{
-	struct mn_softc *sc;
-	struct ng_mesg *resp = NULL;
-	struct schan *sch;
-	char *s, *r;
-	int pos, i;
-	struct ng_mesg *msg;
-
-	NGI_GET_MSG(item, msg);
-	sc = NG_NODE_PRIVATE(node);
-
-	if (msg->header.typecookie != NGM_GENERIC_COOKIE) {
-		NG_FREE_ITEM(item);
-		NG_FREE_MSG(msg);
-		return (EINVAL);
-	}
-		
-	if (msg->header.cmd != NGM_TEXT_CONFIG && 
-	    msg->header.cmd != NGM_TEXT_STATUS) {
-		NG_FREE_ITEM(item);
-		NG_FREE_MSG(msg);
-		return (EINVAL);
-	}
-
-	NG_MKRESPONSE(resp, msg, sizeof(struct ng_mesg) + NG_TEXTRESPONSE,
-	    M_NOWAIT);
-	if (resp == NULL) {
-		NG_FREE_ITEM(item);
-		NG_FREE_MSG(msg);
-		return (ENOMEM);
-	}
-
-	if (msg->header.arglen) 
-		s = (char *)msg->data;
-	else
-		s = NULL;
-	r = (char *)resp->data;
-	*r = '\0';
-
-	if (msg->header.cmd == NGM_TEXT_CONFIG) {
-		ngmn_config(node, s, r);
-		resp->header.arglen = strlen(r) + 1;
-		NG_RESPOND_MSG(i, node, item, resp);
-		NG_FREE_MSG(msg);
-		return (0);
-	}
-	pos = 0;
-	pos += sprintf(pos + r,"Framer status %b;\n", sc->framer_state, "\20"
-	    "\40LOS\37AIS\36LFA\35RRA"
-	    "\34AUXP\33NMF\32LMFA\31frs0.0"
-	    "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS"
-	    "\24TS16LFA\23frs1.2\22XLS\21XLO"
-	    "\20RS1\17rsw.6\16RRA\15RY0"
-	    "\14RY1\13RY2\12RY3\11RY4"
-	    "\10SI1\7SI2\6rsp.5\5rsp.4"
-	    "\4rsp.3\3RSIF\2RS13\1RS15");
-	pos += sprintf(pos + r,"    Framing errors: %lu", sc->cnt_fec);
-	pos += sprintf(pos + r,"  Code Violations: %lu\n", sc->cnt_cvc);
-	
-	pos += sprintf(pos + r,"    Falc State %b;\n", sc->falc_state, "\20"
-	    "\40LOS\37AIS\36LFA\35RRA"
-	    "\34AUXP\33NMF\32LMFA\31frs0.0"
-	    "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS"
-	    "\24TS16LFA\23frs1.2\22XLS\21XLO"
-	    "\20RS1\17rsw.6\16RRA\15RY0"
-	    "\14RY1\13RY2\12RY3\11RY4"
-	    "\10SI1\7SI2\6rsp.5\5rsp.4"
-	    "\4rsp.3\3RSIF\2RS13\1RS15");
-	pos += sprintf(pos + r, "    Falc IRQ %b\n", sc->falc_irq, "\20"
-	    "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF"
-	    "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR"
-	    "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA"
-	    "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP");
-	for (i = 0; i < M32_CHAN; i++) {
-		if (!sc->ch[i])
-			continue;
-		sch = sc->ch[i];
-
-		pos += sprintf(r + pos, "  Chan %d <%s> ",
-		    i, NG_HOOK_NAME(sch->hook));
-
-		pos += sprintf(r + pos, "  Last Rx: ");
-		if (sch->last_recv)
-			pos += sprintf(r + pos, "%lu s",
-			    (unsigned long)(time_second - sch->last_recv));
-		else
-			pos += sprintf(r + pos, "never");
-
-		pos += sprintf(r + pos, ", last RxErr: ");
-		if (sch->last_rxerr)
-			pos += sprintf(r + pos, "%lu s",
-			    (unsigned long)(time_second - sch->last_rxerr));
-		else
-			pos += sprintf(r + pos, "never");
-
-		pos += sprintf(r + pos, ", last Tx: ");
-		if (sch->last_xmit)
-			pos += sprintf(r + pos, "%lu s\n",
-			    (unsigned long)(time_second - sch->last_xmit));
-		else
-			pos += sprintf(r + pos, "never\n");
-
-		pos += sprintf(r + pos, "    RX error(s) %lu", sch->rx_error);
-		pos += sprintf(r + pos, " Short: %lu", sch->short_error);
-		pos += sprintf(r + pos, " CRC: %lu", sch->crc_error);
-		pos += sprintf(r + pos, " Mod8: %lu", sch->dribble_error);
-		pos += sprintf(r + pos, " Long: %lu", sch->long_error);
-		pos += sprintf(r + pos, " Abort: %lu", sch->abort_error);
-		pos += sprintf(r + pos, " Overflow: %lu\n", sch->overflow_error);
-
-		pos += sprintf(r + pos, "    Last error: %b  Prev error: %b\n",
-		    sch->last_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN",
-		    sch->prev_error, "\20\7SHORT\5CRC\4MOD8\3LONG\2ABORT\1OVERRUN");
-		pos += sprintf(r + pos, "    Xmit bytes pending %ld\n",
-		    sch->tx_pending);
-	}
-	resp->header.arglen = pos + 1;
-
-	/* Take care of synchronous response, if any */
-	NG_RESPOND_MSG(i, node, item, resp);
-	NG_FREE_MSG(msg);
-	return (0);
-}
-
-static int
-ngmn_newhook(node_p node, hook_p hook, const char *name)
-{
-	u_int32_t ts, chan;
-	struct mn_softc *sc;
-	int nbit;
-
-	sc = NG_NODE_PRIVATE(node);
-
-	if (name[0] != 't' || name[1] != 's')
-		return (EINVAL);
-
-	ts = mn_parse_ts(name + 2, &nbit);
-	printf("%d bits %x\n", nbit, ts);
-	if (sc->framing == E1 && (ts & 1))
-		return (EINVAL);
-	if (sc->framing == E1U && nbit != 32)
-		return (EINVAL);
-	if (ts == 0)
-		return (EINVAL);
-	if (sc->framing == E1)
-		chan = ffs(ts) - 1;
-	else
-		chan = 1;
-	if (!sc->ch[chan])
-		mn_create_channel(sc, chan);
-	else if (sc->ch[chan]->state == UP)
-		return (EBUSY);
-	sc->ch[chan]->ts = ts;
-	sc->ch[chan]->hook = hook;
-	sc->ch[chan]->tx_limit = nbit * 8;
-	NG_HOOK_SET_PRIVATE(hook, sc->ch[chan]);
-	sc->nhooks++;
-	return(0);
-}
-
-
-static struct trxd *mn_desc_free;
-
-static struct trxd *
-mn_alloc_desc(void)
-{
-	struct trxd *dp;
-
-	dp = mn_desc_free;
-	if (dp) 
-		mn_desc_free = dp->vnext;
-	else
-		dp = (struct trxd *)malloc(sizeof *dp, M_MN, M_NOWAIT);
-	return (dp);
-}
-
-static void
-mn_free_desc(struct trxd *dp)
-{
-	dp->vnext =  mn_desc_free;
-	mn_desc_free = dp;
-}
-
-static u_int32_t
-mn_parse_ts(const char *s, int *nbit)
-{
-	unsigned r;
-	int i, j;
-	char *p;
-
-	r = 0;
-	j = -1;
-	*nbit = 0;
-	while(*s) {
-		i = strtol(s, &p, 0);
-		if (i < 0 || i > 31)
-			return (0);
-		while (j != -1 && j < i) {
-			r |= 1 << j++;
-			(*nbit)++;
-		}
-		j = -1;
-		r |= 1 << i;
-		(*nbit)++;
-		if (*p == ',') {
-			s = p + 1;
-			continue;
-		} else if (*p == '-') {
-			j = i + 1;
-			s = p + 1;
-			continue;
-		} else if (!*p) {
-			break;
-		} else {
-			return (0);
-		}
-	}
-	return (r);
-}
-
-#ifdef notyet
-static void
-mn_fmt_ts(char *p, u_int32_t ts)
-{
-	char *s;
-	int j;
-
-	s = "";
-	ts &= 0xffffffff;
-	for (j = 0; j < 32; j++) {
-		if (!(ts & (1 << j)))
-			continue;
-		sprintf(p, "%s%d", s, j);
-		p += strlen(p);
-		s = ",";
-		if (!(ts & (1 << (j+1)))) 
-			continue;
-		for (; j < 32; j++)
-			if (!(ts & (1 << (j+1))))
-				break;
-		sprintf(p, "-%d", j);
-		p += strlen(p);
-		s = ",";
-	}
-}
-#endif /* notyet */
-
-/*
- * OUTPUT
- */
-
-static int
-ngmn_rcvdata(hook_p hook, item_p item)
-{
-	struct mbuf  *m2;
-	struct trxd *dp, *dp2;
-	struct schan *sch;
-	struct mn_softc *sc;
-	int chan, pitch, len;
-	struct mbuf *m;
-
-	sch = NG_HOOK_PRIVATE(hook);
-	sc = sch->sc;
-	chan = sch->chan;
-
-	if (sch->state != UP) {
-		NG_FREE_ITEM(item);
-		return (0);
-	}
-	NGI_GET_M(item, m);
-	if (sch->tx_pending + m->m_pkthdr.len > sch->tx_limit * mn_maxlatency) {
-		NG_FREE_M(m);
-		NG_FREE_ITEM(item);
-		return (0);
-	}
-	NG_FREE_ITEM(item);
-	pitch = 0;
-	m2 = m;
-	dp2 = sc->ch[chan]->xl;
-	len = m->m_pkthdr.len;
-	while (len) {
-		dp = mn_alloc_desc();
-		if (!dp) {
-			pitch++;
-			m_freem(m);
-			sc->ch[chan]->xl = dp2;
-			dp = dp2->vnext;
-			while (dp) {
-				dp2 = dp->vnext;
-				mn_free_desc(dp);
-				dp = dp2;
-			}
-			sc->ch[chan]->xl->vnext = NULL;
-			break;
-		}
-		dp->data = vtophys(m2->m_data);
-		dp->flags = m2->m_len << 16;
-		dp->flags += 1;
-		len -= m2->m_len;
-		dp->next = vtophys(dp);
-		dp->vnext = NULL;
-		sc->ch[chan]->xl->next = vtophys(dp);
-		sc->ch[chan]->xl->vnext = dp;
-		sc->ch[chan]->xl = dp;
-		if (!len) {
-			dp->m = m;
-			dp->flags |= 0xc0000000;
-			dp2->flags &= ~0x40000000;
-		} else {
-			dp->m = NULL;
-			m2 = m2->m_next;
-		}
-	} 
-	if (pitch)
-		printf("%s%d: Short on mem, pitched %d packets\n", 
-		    sc->name, chan, pitch);
-	else {
-#if 0
-		printf("%d = %d + %d (%p)\n",
-		    sch->tx_pending + m->m_pkthdr.len,
-		    sch->tx_pending , m->m_pkthdr.len, m);
-#endif
-		sch->tx_pending += m->m_pkthdr.len;
-		sc->m32x->txpoll &= ~(1 << chan);
-	}
-	return (0);
-}
-
-/*
- * OPEN
- */
-static int
-ngmn_connect(hook_p hook)
-{
-	int i, nts, chan;
-	struct trxd *dp, *dp2;
-	struct mbuf *m;
-	struct mn_softc *sc;
-	struct schan *sch;
-	u_int32_t u;
-
-	sch = NG_HOOK_PRIVATE(hook);
-	chan = sch->chan;
-	sc = sch->sc;
-
-	if (sch->state == UP) 
-		return (0);
-	sch->state = UP;
-
-	/* Count and configure the timeslots for this channel */
-	for (nts = i = 0; i < 32; i++)
-		if (sch->ts & (1 << i)) {
-			sc->m32_mem.ts[i] = 0x00ff00ff |
-				(chan << 24) | (chan << 8);
-			nts++;
-		}
-
-	/* Init the receiver & xmitter to HDLC */
-	sc->m32_mem.cs[chan].flags = 0x80e90006;
-	/* Allocate two buffers per timeslot */
-	if (nts == 32)
-		sc->m32_mem.cs[chan].itbs = 63;
-	else
-		sc->m32_mem.cs[chan].itbs = nts * 2;
-
-	/* Setup a transmit chain with one descriptor */
-	/* XXX: we actually send a 1 byte packet */
-	dp = mn_alloc_desc();
-	MGETHDR(m, M_WAITOK, MT_DATA);
-	m->m_pkthdr.len = 0;
-	dp->m = m;
-	dp->flags = 0xc0000000 + (1 << 16);
-	dp->next = vtophys(dp);
-	dp->vnext = NULL;
-	dp->data = vtophys(sc->name);
-	sc->m32_mem.cs[chan].tdesc = vtophys(dp);
-	sc->ch[chan]->x1 = dp;
-	sc->ch[chan]->xl = dp;
-
-	/* Setup a receive chain with 5 + NTS descriptors */
-
-	dp = mn_alloc_desc();
-	m = NULL;
-	MGETHDR(m, M_WAITOK, MT_DATA);
-	MCLGET(m, M_WAITOK);
-	dp->m = m;
-	dp->data = vtophys(m->m_data);
-	dp->flags = 0x40000000;
-	dp->flags += 1600 << 16;
-	dp->next = vtophys(dp);
-	dp->vnext = NULL;
-	sc->ch[chan]->rl = dp;
-
-	for (i = 0; i < (nts + 10); i++) {
-		dp2 = dp;
-		dp = mn_alloc_desc();
-		m = NULL;
-		MGETHDR(m, M_WAITOK, MT_DATA);
-		MCLGET(m, M_WAITOK);
-		dp->m = m;
-		dp->data = vtophys(m->m_data);
-		dp->flags = 0x00000000;
-		dp->flags += 1600 << 16;
-		dp->next = vtophys(dp2);
-		dp->vnext = dp2;
-	}
-	sc->m32_mem.cs[chan].rdesc = vtophys(dp);
-	sc->ch[chan]->r1 = dp;
-
-	/* Initialize this channel */
-	sc->m32_mem.ccb = 0x00008000 + (chan << 8);
-	sc->m32x->cmd = 0x1;
-	DELAY(1000);
-	u = sc->m32x->stat; 
-	if (!(u & 1))
-		printf("%s: init chan %d stat %08x\n", sc->name, chan, u);
-	sc->m32x->stat = 1; 
-
-	return (0);
-}
-
-/*
- * CLOSE
- */
-static int
-ngmn_disconnect(hook_p hook)
-{
-	int chan, i;
-	struct mn_softc *sc;
-	struct schan *sch;
-	struct trxd *dp, *dp2;
-	u_int32_t u;
-
-	sch = NG_HOOK_PRIVATE(hook);
-	chan = sch->chan;
-	sc = sch->sc;
-	
-	if (sch->state == DOWN) 
-		return (0);
-	sch->state = DOWN;
-
-	/* Set receiver & transmitter off */
-	sc->m32_mem.cs[chan].flags = 0x80920006;
-	sc->m32_mem.cs[chan].itbs = 0;
-
-	/* free the timeslots */
-	for (i = 0; i < 32; i++)
-		if (sc->ch[chan]->ts & (1 << i)) 
-			sc->m32_mem.ts[i] = 0x20002000;
-
-	/* Initialize this channel */
-	sc->m32_mem.ccb = 0x00008000 + (chan << 8);
-	sc->m32x->cmd = 0x1;
-	DELAY(30);
-	u = sc->m32x->stat; 
-	if (!(u & 1))
-		printf("%s: zap chan %d stat %08x\n", sc->name, chan, u);
-	sc->m32x->stat = 1; 
-	
-	/* Free all receive descriptors and mbufs */
-	for (dp = sc->ch[chan]->r1; dp ; dp = dp2) {
-		if (dp->m)
-			m_freem(dp->m);
-		sc->ch[chan]->r1 = dp2 = dp->vnext;
-		mn_free_desc(dp);
-	}
-
-	/* Free all transmit descriptors and mbufs */
-	for (dp = sc->ch[chan]->x1; dp ; dp = dp2) {
-		if (dp->m) {
-			sc->ch[chan]->tx_pending -= dp->m->m_pkthdr.len;
-			m_freem(dp->m);
-		}
-		sc->ch[chan]->x1 = dp2 = dp->vnext;
-		mn_free_desc(dp);
-	}
-	sc->nhooks--;
-	return(0);
-}
-
-/*
- * Create a new channel.
- */
-static void
-mn_create_channel(struct mn_softc *sc, int chan)
-{
-	struct schan *sch;
-
-	sch = sc->ch[chan] = (struct schan *)malloc(sizeof *sc->ch[chan], 
-	    M_MN, M_WAITOK | M_ZERO);
-	sch->sc = sc;
-	sch->state = DOWN;
-	sch->chan = chan;
-	sprintf(sch->name, "%s%d", sc->name, chan);
-	return;
-}
-
-#ifdef notyet
-/*
- * Dump Munich32x state
- */
-static void
-m32_dump(struct mn_softc *sc)
-{
-	u_int32_t *tp4;
-	int i, j;
-
-	printf("mn%d: MUNICH32X dump\n", sc->unit);
-	tp4 = (u_int32_t *)sc->m0v;
-	for(j = 0; j < 64; j += 8) {
-		printf("%02x", j * sizeof *tp4);
-		for(i = 0; i < 8; i++)
-			printf(" %08x", tp4[i+j]);
-		printf("\n");
-	}
-	for(j = 0; j < M32_CHAN; j++) {
-		if (!sc->ch[j])
-			continue;
-		printf("CH%d: state %d ts %08x", 
-			j, sc->ch[j]->state, sc->ch[j]->ts);
-		printf("  %08x %08x %08x %08x %08x %08x\n",
-			sc->m32_mem.cs[j].flags,
-			sc->m32_mem.cs[j].rdesc,
-			sc->m32_mem.cs[j].tdesc,
-			sc->m32_mem.cs[j].itbs,
-			sc->m32_mem.crxd[j],
-			sc->m32_mem.ctxd[j] );
-	}
-}
-
-/*
- * Dump Falch54 state
- */
-static void
-f54_dump(struct mn_softc *sc)
-{
-	u_int8_t *tp1;
-	int i, j;
-
-	printf("%s: FALC54 dump\n", sc->name);
-	tp1 = (u_int8_t *)sc->m1v;
-	for(j = 0; j < 128; j += 16) {
-		printf("%s: %02x |", sc->name, j * sizeof *tp1);
-		for(i = 0; i < 16; i++)
-			printf(" %02x", tp1[i+j]);
-		printf("\n");
-	}
-}
-#endif /* notyet */
-
-/*
- * Init Munich32x
- */
-static void
-m32_init(struct mn_softc *sc)
-{
-
-	sc->m32x->conf =  0x00000000;
-	sc->m32x->mode1 = 0x81048000 + 1600; 	/* XXX: temp */
-#if 1
-	sc->m32x->mode2 = 0x00000081;
-	sc->m32x->txpoll = 0xffffffff;
-#elif 1
-	sc->m32x->mode2 = 0x00000081;
-	sc->m32x->txpoll = 0xffffffff;
-#else
-	sc->m32x->mode2 = 0x00000101;
-#endif
-	sc->m32x->lconf = 0x6060009B;
-	sc->m32x->imask = 0x00000000;
-}
-
-/*
- * Init the Falc54
- */
-static void
-f54_init(struct mn_softc *sc)
-{
-	sc->f54w->ipc  = 0x07;
-
-	sc->f54w->xpm0 = 0xbd;
-	sc->f54w->xpm1 = 0x03;
-	sc->f54w->xpm2 = 0x00;
-
-	sc->f54w->imr0 = 0x18; /* RMB, CASC */
-	sc->f54w->imr1 = 0x08; /* XMB */
-	sc->f54w->imr2 = 0x00; 
-	sc->f54w->imr3 = 0x38; /* LMFA16, AIS16, RA16 */
-	sc->f54w->imr4 = 0x00; 
-
-	sc->f54w->fmr0 = 0xf0; /* X: HDB3, R: HDB3 */
-	sc->f54w->fmr1 = 0x0e; /* Send CRC4, 2Mbit, ECM */
-	if (sc->framing == E1)
-		sc->f54w->fmr2 = 0x03; /* Auto Rem-Alarm, Auto resync */
-	else if (sc->framing == E1U)
-		sc->f54w->fmr2 = 0x33; /* dais, rtm, Auto Rem-Alarm, Auto resync */
-
-	sc->f54w->lim1 = 0xb0; /* XCLK=8kHz, .62V threshold */
-	sc->f54w->pcd =  0x0a;
-	sc->f54w->pcr =  0x15;
-	sc->f54w->xsw =  0x9f; /* fmr4 */
-	if (sc->framing == E1)
-		sc->f54w->xsp =  0x1c; /* fmr5 */
-	else if (sc->framing == E1U)
-		sc->f54w->xsp =  0x3c; /* tt0, fmr5 */
-	sc->f54w->xc0 =  0x07;
-	sc->f54w->xc1 =  0x3d;
-	sc->f54w->rc0 =  0x05;
-	sc->f54w->rc1 =  0x00;
-	sc->f54w->cmdr = 0x51;
-}
-
-static int
-mn_reset(struct mn_softc *sc)
-{
-	u_int32_t u;
-	int i;
-
-	sc->m32x->ccba = vtophys(&sc->m32_mem.csa);
-	sc->m32_mem.csa = vtophys(&sc->m32_mem.ccb);
-
-	bzero(sc->tiqb, sizeof sc->tiqb);
-	sc->m32x->tiqba = vtophys(&sc->tiqb);
-	sc->m32x->tiql = NIQB / 16 - 1;
-
-	bzero(sc->riqb, sizeof sc->riqb);
-	sc->m32x->riqba = vtophys(&sc->riqb);
-	sc->m32x->riql = NIQB / 16 - 1;
-
-	bzero(sc->ltiqb, sizeof sc->ltiqb);
-	sc->m32x->ltiqba = vtophys(&sc->ltiqb);
-	sc->m32x->ltiql = NIQB / 16 - 1;
-
-	bzero(sc->lriqb, sizeof sc->lriqb);
-	sc->m32x->lriqba = vtophys(&sc->lriqb);
-	sc->m32x->lriql = NIQB / 16 - 1;
-
-	bzero(sc->piqb, sizeof sc->piqb);
-	sc->m32x->piqba = vtophys(&sc->piqb);
-	sc->m32x->piql = NIQB / 16 - 1;
-
-	m32_init(sc);
-	f54_init(sc);
-
-	u = sc->m32x->stat; 
-	sc->m32x->stat = u;
-	sc->m32_mem.ccb = 0x4;
-	sc->m32x->cmd = 0x1;
-	DELAY(1000);
-	u = sc->m32x->stat;
-	sc->m32x->stat = u;
-
-	/* set all timeslots to known state */
-	for (i = 0; i < 32; i++)
-		sc->m32_mem.ts[i] = 0x20002000;
-
-	if (!(u & 1)) {
-		printf(
-"mn%d: WARNING: Controller failed the PCI bus-master test.\n"
-"mn%d: WARNING: Use a PCI slot which can support bus-master cards.\n",
-		    sc->unit, sc->unit);
-		return  (0);
-	}
-	return (1);
-}
-
-/*
- * FALC54 interrupt handling
- */
-static void
-f54_intr(struct mn_softc *sc)
-{
-	unsigned g, u, s;
-
-	g = sc->f54r->gis;
-	u = sc->f54r->isr0 << 24;
-	u |= sc->f54r->isr1 << 16;
-	u |= sc->f54r->isr2 <<  8;
-	u |= sc->f54r->isr3;
-	sc->falc_irq = u;
-	/* don't chat about the 1 sec heart beat */
-	if (u & ~0x40) {
-#if 0
-		printf("%s*: FALC54 IRQ GIS:%02x %b\n", sc->name, g, u, "\20"
-		    "\40RME\37RFS\36T8MS\35RMB\34CASC\33CRC4\32SA6SC\31RPF"
-		    "\30b27\27RDO\26ALLS\25XDU\24XMB\23b22\22XLSC\21XPR"
-		    "\20FAR\17LFA\16MFAR\15T400MS\14AIS\13LOS\12RAR\11RA"
-		    "\10ES\7SEC\6LMFA16\5AIS16\4RA16\3API\2SLN\1SLP");
-#endif
-		s = sc->f54r->frs0 << 24;
-		s |= sc->f54r->frs1 << 16;
-		s |= sc->f54r->rsw <<  8;
-		s |= sc->f54r->rsp;
-		sc->falc_state = s;
-
-		s &= ~0x01844038;	/* undefined or static bits */
-		s &= ~0x00009fc7;	/* bits we don't care about */
-		s &= ~0x00780000;	/* XXX: TS16 related */
-		s &= ~0x06000000;	/* XXX: Multiframe related */
-#if 0
-		printf("%s*: FALC54 Status %b\n", sc->name, s, "\20"
-		    "\40LOS\37AIS\36LFA\35RRA\34AUXP\33NMF\32LMFA\31frs0.0"
-		    "\30frs1.7\27TS16RA\26TS16LOS\25TS16AIS\24TS16LFA\23frs1.2\22XLS\21XLO"
-		    "\20RS1\17rsw.6\16RRA\15RY0\14RY1\13RY2\12RY3\11RY4"
-		    "\10SI1\7SI2\6rsp.5\5rsp.4\4rsp.3\3RSIF\2RS13\1RS15");
-#endif
-		if (s != sc->framer_state) {
-#if 0
-			for (i = 0; i < M32_CHAN; i++) {
-				if (!sc->ch[i])
-					continue;
-			        sp = &sc->ch[i]->ifsppp;
-				if (!(SP2IFP(sp)->if_flags & IFF_UP))
-					continue;
-				if (s) 
-					timeout((timeout_t *)sp->pp_down, sp, 1 * hz);
-				else 
-					timeout((timeout_t *)sp->pp_up, sp, 1 * hz);
-			}
-#endif
-			sc->framer_state = s;
-		}
-	} 
-	/* Once per second check error counters */
-	/* XXX: not clear if this is actually ok */
-	if (!(u & 0x40))
-		return;
-	sc->cnt_fec  += sc->f54r->fec;
-	sc->cnt_cvc  += sc->f54r->cvc;
-	sc->cnt_cec1 += sc->f54r->cec1;
-	sc->cnt_ebc  += sc->f54r->ebc;
-	sc->cnt_cec2 += sc->f54r->cec2;
-	sc->cnt_cec3 += sc->f54r->cec3;
-	sc->cnt_rbc  += sc->f54r->rbc;
-}
-
-/*
- * Transmit interrupt for one channel
- */
-static void
-mn_tx_intr(struct mn_softc *sc, u_int32_t vector)
-{
-	u_int32_t chan;
-	struct trxd *dp;
-	struct mbuf *m;
-
-	chan = vector & 0x1f;
-	if (!sc->ch[chan]) 
-		return;
-	if (sc->ch[chan]->state != UP) {
-		printf("%s: tx_intr when not UP\n", sc->name);
-		return;
-	}
-	for (;;) {
-		dp = sc->ch[chan]->x1;
-		if (vtophys(dp) == sc->m32_mem.ctxd[chan]) 
-			return;
-		m = dp->m;
-		if (m) {
-#if 0
-			printf("%d = %d - %d (%p)\n",
-			    sc->ch[chan]->tx_pending - m->m_pkthdr.len,
-			    sc->ch[chan]->tx_pending , m->m_pkthdr.len, m);
-#endif
-			sc->ch[chan]->tx_pending -= m->m_pkthdr.len;
-			m_freem(m);
-		}
-		sc->ch[chan]->last_xmit = time_second;
-		sc->ch[chan]->x1 = dp->vnext;
-		mn_free_desc(dp);
-	}
-}
-
-/*
- * Receive interrupt for one channel
- */
-static void
-mn_rx_intr(struct mn_softc *sc, u_int32_t vector)
-{
-	u_int32_t chan, err;
-	struct trxd *dp;
-	struct mbuf *m;
-	struct schan *sch;
-
-	chan = vector & 0x1f;
-	if (!sc->ch[chan])
-		return;
-	sch = sc->ch[chan];
-	if (sch->state != UP) {
-		printf("%s: rx_intr when not UP\n", sc->name);
-		return;
-	}
-	vector &= ~0x1f;
-	if (vector == 0x30000b00)
-		sch->rx_error++;
-	for (;;) {
-		dp = sch->r1;
-		if (vtophys(dp) == sc->m32_mem.crxd[chan]) 
-			return;
-		m = dp->m;
-		dp->m = NULL;
-		m->m_pkthdr.len = m->m_len = (dp->status >> 16) & 0x1fff;
-		err = (dp->status >> 8) & 0xff;
-		if (!err) {
-			int error;
-			NG_SEND_DATA_ONLY(error, sch->hook, m);
-			sch->last_recv = time_second;
-			/* we could be down by now... */
-			if (sch->state != UP) 
-				return;
-		} else if (err & 0x40) {
-			sch->short_error++;
-		} else if (err & 0x10) {
-			sch->crc_error++;
-		} else if (err & 0x08) {
-			sch->dribble_error++;
-		} else if (err & 0x04) {
-			sch->long_error++;
-		} else if (err & 0x02) {
-			sch->abort_error++;
-		} else if (err & 0x01) {
-			sch->overflow_error++;
-		}
-		if (err) {
-			sch->last_rxerr = time_second;
-			sch->prev_error = sch->last_error;
-			sch->last_error = err;
-		}
-
-		sc->ch[chan]->r1 = dp->vnext;
-
-		/* Replenish desc + mbuf supplies */
-		if (!m) {
-			MGETHDR(m, M_NOWAIT, MT_DATA);
-			if (m == NULL) {
-				mn_free_desc(dp);
-				return; /* ENOBUFS */
-			}
-			if (!(MCLGET(m, M_NOWAIT))) {
-				mn_free_desc(dp);
-				m_freem(m);
-				return; /* ENOBUFS */
-			}
-		}
-		dp->m = m;
-		dp->data = vtophys(m->m_data);
-		dp->flags = 0x40000000;
-		dp->flags += 1600 << 16;
-		dp->next = vtophys(dp);
-		dp->vnext = NULL;
-		sc->ch[chan]->rl->next = vtophys(dp);
-		sc->ch[chan]->rl->vnext = dp;
-		sc->ch[chan]->rl->flags &= ~0x40000000;
-		sc->ch[chan]->rl = dp;
-	}
-}
-
-
-/*
- * Interrupt handler
- */
-
-static void
-mn_intr(void *xsc)
-{
-	struct mn_softc *sc;
-	u_int32_t stat, lstat, u;
-	int i, j;
-
-	sc = xsc;
-	stat =  sc->m32x->stat;
-	lstat =  sc->m32x->lstat;
-#if 0
-	if (!stat && !(lstat & 2)) 
-		return;
-#endif
-
-	if (stat & ~0xc200) {
-		printf("%s: I stat=%08x lstat=%08x\n", sc->name, stat, lstat);
-	}
-
-	if ((stat & 0x200) || (lstat & 2)) 
-		f54_intr(sc);
-
-	for (j = i = 0; i < 64; i ++) {
-		u = sc->riqb[i];
-		if (u) {
-			sc->riqb[i] = 0;
-			mn_rx_intr(sc, u);
-			if ((u & ~0x1f) == 0x30000800 || (u & ~0x1f) == 0x30000b00) 
-				continue;
-			u &= ~0x30000400;	/* bits we don't care about */
-			if ((u & ~0x1f) == 0x00000900)
-				continue;
-			if (!(u & ~0x1f))
-				continue;
-			if (!j)
-				printf("%s*: RIQB:", sc->name);
-			printf(" [%d]=%08x", i, u);
-			j++;
-		}
-	}
-	if (j)
-	    printf("\n");
-
-	for (j = i = 0; i < 64; i ++) {
-		u = sc->tiqb[i];
-		if (u) {
-			sc->tiqb[i] = 0;
-			mn_tx_intr(sc, u);
-			if ((u & ~0x1f) == 0x20000800)
-				continue;
-			u &= ~0x20000000;	/* bits we don't care about */
-			if (!u)
-				continue;
-			if (!j)
-				printf("%s*: TIQB:", sc->name);
-			printf(" [%d]=%08x", i, u);
-			j++;
-		}
-	}
-	if (j)
-		printf("\n");
-	sc->m32x->stat = stat;
-}
-
-/*
- * PCI initialization stuff
- */
-
-static int
-mn_probe (device_t self)
-{
-	u_int id = pci_get_devid(self);
-
-	if (sizeof (struct m32xreg) != 256) {
-		printf("MN: sizeof(struct m32xreg) = %zd, should have been 256\n", sizeof (struct m32xreg));
-		return (ENXIO);
-	}
-	if (sizeof (struct f54rreg) != 128) {
-		printf("MN: sizeof(struct f54rreg) = %zd, should have been 128\n", sizeof (struct f54rreg));
-		return (ENXIO);
-	}
-	if (sizeof (struct f54wreg) != 128) {
-		printf("MN: sizeof(struct f54wreg) = %zd, should have been 128\n", sizeof (struct f54wreg));
-		return (ENXIO);
-	}
-
-	if (id != 0x2101110a) 
-		return (ENXIO);
-
-	device_set_desc_copy(self, "Munich32X E1/T1 HDLC Controller");
-	return (BUS_PROBE_DEFAULT);
-}
-
-static int
-mn_attach (device_t self)
-{
-	struct mn_softc *sc;
-	u_int32_t u;
-	u_int32_t ver;
-	static int once;
-	int rid, error;
-	struct resource *res;
-
-	if (!once) {
-		if (ng_newtype(&mntypestruct))
-			printf("ng_newtype failed\n");
-		once++;
-	}
-
-	sc = (struct mn_softc *)malloc(sizeof *sc, M_MN, M_WAITOK | M_ZERO);
-	device_set_softc(self, sc);
-
-	sc->dev = self;
-	sc->unit = device_get_unit(self);
-	sc->framing = E1;
-	sprintf(sc->name, "mn%d", sc->unit);
-
-        rid = PCIR_BAR(0);
-        res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
-        if (res == NULL) {
-                device_printf(self, "Could not map memory\n");
-		free(sc, M_MN);
-                return ENXIO;
-        }
-        sc->m0v = rman_get_virtual(res);
-        sc->m0p = rman_get_start(res);
-
-        rid = PCIR_BAR(1);
-        res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE);
-        if (res == NULL) {
-                device_printf(self, "Could not map memory\n");
-		free(sc, M_MN);
-                return ENXIO;
-        }
-        sc->m1v = rman_get_virtual(res);
-        sc->m1p = rman_get_start(res);
-
-	/* Allocate interrupt */
-	rid = 0;
-	sc->irq = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
-	    RF_SHAREABLE | RF_ACTIVE);
-
-	if (sc->irq == NULL) {
-		printf("couldn't map interrupt\n");
-		free(sc, M_MN);
-		return(ENXIO);
-	}
-
-	error = bus_setup_intr(self, sc->irq, INTR_TYPE_NET, NULL, mn_intr, sc, &sc->intrhand);
-
-	if (error) {
-		printf("couldn't set up irq\n");
-		free(sc, M_MN);
-		return(ENXIO);
-	}
-
-	u = pci_read_config(self, PCIR_COMMAND, 2);
-	printf("%x\n", u);
-	pci_write_config(self, PCIR_COMMAND, u | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN, 2);
-#if 0
-	pci_write_config(self, PCIR_COMMAND, 0x02800046, 4);
-#endif
-	u = pci_read_config(self, PCIR_COMMAND, 1);
-	printf("%x\n", u);
-
-	ver = pci_get_revid(self);
-
-	sc->m32x = (struct m32xreg *) sc->m0v;
-	sc->f54w = (struct f54wreg *) sc->m1v;
-	sc->f54r = (struct f54rreg *) sc->m1v;
-
-	/* We must reset before poking at FALC54 registers */
-	u = mn_reset(sc);
-	if (!u)
-		return (0);
-
-	printf("mn%d: Munich32X", sc->unit);
-	switch (ver) {
-	case 0x13:
-		printf(" Rev 2.2");
-		break;
-	default:
-		printf(" Rev 0x%x\n", ver);
-	}
-	printf(", Falc54");
-	switch (sc->f54r->vstr) {
-	case 0:
-		printf(" Rev < 1.3\n");
-		break;
-	case 1:
-		printf(" Rev 1.3\n");
-		break;
-	case 2:
-		printf(" Rev 1.4\n");
-		break;
-	case 0x10:
-		printf("-LH Rev 1.1\n");
-		break;
-	case 0x13:
-		printf("-LH Rev 1.3\n");
-		break;
-	default:
-		printf(" Rev 0x%x\n", sc->f54r->vstr);
-	}
-	gone_in_dev(self, 13, "sync serial (T1/E1) driver");
-
-	if (ng_make_node_common(&mntypestruct, &sc->node) != 0) {
-		printf("ng_make_node_common failed\n");
-		return (0);
-	}
-	NG_NODE_SET_PRIVATE(sc->node, sc);
-	sprintf(sc->nodename, "%s%d", NG_MN_NODE_TYPE, sc->unit);
-	if (ng_name_node(sc->node, sc->nodename)) {
-		NG_NODE_UNREF(sc->node);
-		return (0);
-	}
-	
-	return (0);
-}
-
-
-static device_method_t mn_methods[] = {
-        /* Device interface */
-        DEVMETHOD(device_probe,         mn_probe),
-        DEVMETHOD(device_attach,        mn_attach),
-        DEVMETHOD(device_suspend,       bus_generic_suspend),
-        DEVMETHOD(device_resume,        bus_generic_resume),
-        DEVMETHOD(device_shutdown,      bus_generic_shutdown),
-
-	DEVMETHOD_END
-};
- 
-static driver_t mn_driver = {
-        "mn",
-        mn_methods,
-        0
-};
-
-static devclass_t mn_devclass;
-
-DRIVER_MODULE(mn, pci, mn_driver, mn_devclass, 0, 0);