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b144e70a33
Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/
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5.3 KiB
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176 lines
5.3 KiB
Groff
.\" Copyright (c) 2007 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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.Dd August 17, 2015
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.Dt WLANDEBUG 8
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.Os
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.Sh NAME
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.Nm wlandebug
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.Nd "set/query 802.11 wireless debugging messages"
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.Sh SYNOPSIS
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.Nm
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.Op Fl d | Fl i Ar ifnet
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.Op Fl flag|+flag Ar ...
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.Sh DESCRIPTION
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The
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.Nm
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command is a tool for enabling and disabling
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debugging messages in the
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.Xr wlan 4
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module.
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Running
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.Nm
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without any options will display the current messages
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enabled for the specified network interface
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(by default, ``wlan0').
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The default debugging level for new interfaces can be set
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by specifying the
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.Fl d
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option.
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When run as the super-user
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.Nm
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can be used to enable and/or disable debugging messages.
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.Pp
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To enable debugging messages of a certain
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.Ar type
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use
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.Ar +type ;
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to disable such messages use
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.Ar -type .
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Multiple messages can be enabled and disabled with a single command.
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.Pp
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Messages are organized in the following groups:
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.Bl -tag -width ".Ar dumppkts"
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.It Ar debug
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general debugging facilities; equivalent to setting the debug
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parameter with
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.Xr ifconfig 8 .
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.It Ar dumppkts
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dump packet contents on transmit and receive.
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.It Ar crypto
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crypto-related work.
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.It Ar input
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errors encountered during input handling.
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.It Ar xrate
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extended rate set handling (for 802.11g).
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.It Ar elemid
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information element processing in 802.11 management frames.
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.It Ar node
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management of per-station state.
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.It Ar assoc
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802.11 station association processing; particularly useful to
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see when stations join and leave a BSS.
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.It Ar auth
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802.11 station authentication processing.
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.It Ar scan
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scanning operation; especially useful for debugging problems
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with not locating an access point.
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.It Ar output
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errors encountered during output handling.
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.It Ar state
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.Xr wlan 4
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state machine operation.
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.It Ar power
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802.11 power save operation; in hostap mode this enables
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copious information about buffered frames for stations operating
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in power save mode.
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.It Ar hwmp
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trace operation of Hybrid Wireless Mesh Protocol processing.
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.It Ar dot1xsm
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802.1x state machine operation; not presently meaningful as 802.1x protocol
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support is implemented in user mode by the
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.Xr hostapd 8
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program.
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.It Ar radius
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radius backend operation as it relates to 802.1x operation;
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not presently meaningful as 802.1x protocol
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support is implemented in user mode by the
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.Xr hostapd 8
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program.
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.It Ar raddump
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dump packets exchanged with the radius backend for 802.1x operation;
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not presently meaningful as 802.1x protocol
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support is implemented in user mode by the
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.Xr hostapd 8
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program.
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.It Ar mesh
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trace operation of 802.11s mesh protocol processing.
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.It Ar wpa
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trace operation of the WPA protocol;
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only partly meaningful as WPA protocol
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support is mostly implemented in user mode by the
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.Xr hostapd 8
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and
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.Xr wpa_supplicant 8
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programs.
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.It Ar acl
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trace operation of the Access Control List (ACL) support; see
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.Xr wlan_acl 4
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for more details.
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.It Ar wme
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trace operation of WME/WMM protocol processing.
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.It Ar superg
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trace operation of Atheros SuperG protocol processing.
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.It Ar doth
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trace operation of IEEE 802.11h protocol processing.
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.It Ar inact
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trace station inactivity processing; in particular,
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show when stations associated to an access point are dropped due to
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inactivity.
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.It Ar roam
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trace station mode roaming between access points.
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.It Ar rate
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trace transmit rate control operation.
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.El
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.Sh EXAMPLES
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The following might be used to debug basic station mode operation:
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.Pp
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.Dl "wlandebug -i wlan1 scan+auth+assoc"
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.Pp
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it enables debug messages while scanning, authenticating to
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an access point, and associating to an access point.
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.Sh SEE ALSO
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.Xr athdebug 8 ,
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.Xr athstats 8 ,
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.Xr ifconfig 8 ,
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.Xr wlanstats 8
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.Sh NOTES
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Different wireless drivers support different debugging messages.
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Drivers such as
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.Xr ath 4
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and
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.Xr ral 4
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that depend on the
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.Xr wlan 4
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module for 802.11 protocol processing typically support
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most of the debugging messages while devices that
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implement parts of the 802.11 protocol in firmware do not.
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.Pp
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Some debugging messages are no longer meaningful
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because protocol processing has moved from the operating
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system to user mode programs such as
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.Xr hostapd 8
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and
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.Xr wpa_supplicant 8 .
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