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73 lines
2.2 KiB
Groff
73 lines
2.2 KiB
Groff
.\"
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.\" Copyright (c) 2009 Sam Leffler, Errno Consulting
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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 August 4, 2009
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.Dt IEEE80211_DDB 9
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.Os
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.Sh NAME
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.Nm ieee80211_ddb
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.Nd 802.11 ddb support
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.Sh SYNOPSIS
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.Bd -ragged
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.Cd options DDB
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.Ed
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.Pp
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.Bd -ragged
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.Cd show vap [addr]
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.Cd show all vaps
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.Cd show com [addr]
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.Cd show sta [addr]
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.Cd show statab [addr]
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.Cd show mesh [addr]
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.Ed
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.Sh DESCRIPTION
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The
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.Nm net80211
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layer includes
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.Xr ddb 4
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support for displaying important data structures.
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This is especially important because wireless applications are often
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built for embedded environments where cross-machine or post-mortem
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debugging facilities like
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.Xr kgdb 1
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are infeasible.
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.Pp
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The most commonly used command is
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.Bd -literal -offset indent
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show all vaps/a
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.Ed
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.Pp
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which dumps the contents of all
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.Vt ieee80211vap ,
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.Vt ieee80211com ,
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and
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.Vt ieee80211_node
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data structures in the system.
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.Sh SEE ALSO
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.Xr ddb 4 ,
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.Xr ieee80211 9
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