f2e366a105
of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
116 lines
3.5 KiB
Groff
116 lines
3.5 KiB
Groff
.\"
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.\" Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: isdndebug.8,v 1.10 1999/12/13 22:11:55 hm Exp $
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.\"
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.\" $FreeBSD$
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.\"
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.\" last edit-date: [Mon Dec 13 23:01:42 1999]
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.\"
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.Dd May, 29, 1999
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.Dt ISDNDEBUG 8
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.Os
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.Sh NAME
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.Nm isdndebug
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.Nd display and control isdn4bsd kernel variables and statistics
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.Sh SYNOPSIS
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.Nm
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.Op Fl e
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.Op Fl g
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.Op Fl h
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.Op Fl l Ar layer
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.Op Fl m
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.Op Fl q
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.Op Fl r
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.Op Fl s Ar value
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.Op Fl u Ar unit
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.Op Fl z
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.Op Fl H
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.Op Fl Q
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.Sh DESCRIPTION
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.Nm isdndebug
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is part of the isdn4bsd package and is used to control the level of
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debugging output of the isdn4bsd kernel part.
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Every layer of the isdn4bsd kernel uses a debugging mask which can be
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manipulated using this utility.
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.Pp
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A second usage of
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.Nm
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is to display and reset the HSCX (the HSCX is the chip responsible for
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the B-channel handling in the
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.Xr isic 4
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driver) error counters and and to display and reset the D-channel layer 2
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(Q.921 LAPD protocol) statistics and error counters.
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.Pp
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The following options are available:
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.Bl -tag -width Ds
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.It Fl e
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Set debugging mask for the selected layer(s) to display errors only.
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.It Fl g
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Get the debugging mask for the selected layer(s).
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.It Fl h
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Display the HSCX error counters.
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.It Fl l
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Specify the layer for which a command applies.
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Default is all layers.
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.It Fl m
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Set debugging mask for the selected layer(s) to display all possible
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debugging messages (maximum output).
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.It Fl q
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Display the Q.921 (D-channel layer 2) frame receive/transmit statistics.
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.It Fl r
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Set debugging mask for the selected layer(s) to the compiled in default
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(reset).
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.It Fl s
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Set debugging mask for the selected layer(s) to value.
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Value can be
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specified in any number base supported by
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.Xr sscanf 3 .
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.It Fl u
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Set the unit numbers for the -h, -q, -H and -Q flags.
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.It Fl z
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Set debugging mask for the selected layer(s) to no output at all (zero).
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.It Fl H
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Reset the HSCX error counters to zero.
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.It Fl Q
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Reset the Q.921 (D-channel layer 2) frame receive/transmit statistics to zero.
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.El
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.Pp
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.Sh FILES
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/dev/i4bctl
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.Sh EXAMPLES
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The command:
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.Bd -literal -offset indent
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isdndebug -g
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.Ed
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.Pp
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displays the current debugging level for all ISDN layers
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.Sh AUTHOR
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The
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.Nm
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utility and this manpage were written by
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.An Hellmuth Michaelis Aq hm@kts.org .
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