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78 lines
2.4 KiB
Groff
78 lines
2.4 KiB
Groff
.\"
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.\" Copyright (c) 2010 Weongyo Jeong.
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.\" 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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.\" $FreeBSD$
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.\"
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.Dd October 14, 2010
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.Dt usbdump 8
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.Os
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.Sh NAME
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.Nm usbdump
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.Nd "dump traffic on USB host controller"
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.Sh SYNOPSIS
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.Nm
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.Op Fl i Ar ifname
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.Op Fl r Ar file
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.Op Fl s Ar snaplen
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.Op Fl v
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.Op Fl w Ar file
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.Sh DESCRIPTION
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The
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.Nm
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utility provides a way to dump USB packets on each host controller.
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.Pp
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The following options are accepted.
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.Bl -tag -width ".Fl f Ar file"
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.It Fl i Ar ifname
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Listen on USB bus interface.
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.It Fl r Ar file
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Read the raw packets from file.
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.It Fl s Ar snaplen
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Snapshot bytes from each packet.
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.It Fl v
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Enable debugging messages.
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When it defined multiple times the verbose level increases.
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.It Fl w Ar file
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Write the raw packets to file.
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.El
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.Sh EXAMPLES
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Captures the USB raw packets alive on usbus2:
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.Pp
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.Dl "usbdump -i usbus2 -s 256 -v"
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.Pp
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Dumps the USB raw packets of usbus2 into the file without packet
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size limit:
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.Pp
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.Dl "usbdump -i usbus2 -s 0 -w /tmp/dump_pkts"
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.Pp
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Read the USB raw packets from the file:
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.Pp
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.Dl "usbdump -r /tmp/dump_pkts -v"
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.Sh SEE ALSO
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.Xr usbconfig 8
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.Sh AUTHORS
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.An Weongyo Jeong
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.Aq weongyo@FreeBSD.org .
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