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Date:      Mon, 22 Mar 2021 19:07:23 GMT
From:      Ed Maste <emaste@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 0cff00ae682a - main - retire obsolete mn(4) sync serial driver
Message-ID:  <202103221907.12MJ7NJq051686@gitrepo.freebsd.org>

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The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=0cff00ae682a032dec29494f88c76d78a08edfa1

commit 0cff00ae682a032dec29494f88c76d78a08edfa1
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2021-03-22 19:06:51 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2021-03-22 19:06:51 +0000

    retire obsolete mn(4) sync serial driver
    
    Approved by:    phk
    Relnotes:       yes
---
 ObsoleteFiles.inc       |    4 +
 share/man/man4/Makefile |    2 -
 share/man/man4/mn.4     |   61 --
 sys/conf/NOTES          |    2 -
 sys/conf/files          |    1 -
 sys/dev/mn/if_mn.c      | 1431 -----------------------------------------------
 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)
*** 600 LINES SKIPPED ***



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