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206 lines
6.3 KiB
Groff
206 lines
6.3 KiB
Groff
.\" $OpenBSD: zyd.4,v 1.22 2007/05/24 02:49:57 cnst Exp $
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.\" $NetBSD: zyd.4,v 1.1 2007/06/09 11:20:55 kiyohara Exp $
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.\" $FreeBSD$
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.\"
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.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ctr.columbia.edu>. 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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 6, 2007
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.Dt ZYD 4
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.Os
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.Sh NAME
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.Nm zyd
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.Nd ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless network device
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device ehci"
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.Cd "device uhci"
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.Cd "device ohci"
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.Cd "device usb"
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.Cd "device zyd"
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.Cd "device wlan"
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.Cd "device wlan_amrr"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_zyd_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for wireless network adapters based around
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the ZyDAS ZD1211 and ZD1211B USB chips.
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.Pp
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These are the modes the
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.Nm
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driver can operate in:
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.Bl -tag -width "IBSS-masterXX"
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.It BSS mode
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Also known as
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.Em infrastructure
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mode, this is used when associating with an access point, through
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which all traffic passes.
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This mode is the default.
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.It monitor mode
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In this mode the driver is able to receive packets without
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associating with an access point.
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This disables the internal receive filter and enables the card to
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capture packets from networks which it wouldn't normally have access to,
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or to scan for access points.
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.El
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.Pp
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.Nm
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supports software WEP.
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Wired Equivalent Privacy (WEP) is the de facto encryption standard
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for wireless networks.
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It can be typically configured in one of three modes:
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no encryption; 40-bit encryption; or 104-bit encryption.
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Unfortunately, due to serious weaknesses in WEP protocol
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it is strongly recommended that it not be used as the
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sole mechanism to secure wireless communication.
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WEP is not enabled by default.
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.Sh HARDWARE
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The following devices are known to be supported by the
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.Nm
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driver:
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.Pp
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.Bl -tag -width Ds -offset indent -compact
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.It 3COM 3CRUSB10075
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.It Acer WLAN-G-US1
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.It Airlink+ AWLL3025
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.It Airlink 101 AWLL3026
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.It AOpen 802.11g WL54
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.It Asus A9T integrated wirless
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.It Asus WL-159g
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.It Belkin F5D7050 v.4000
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.It Billion BiPAC 3011G
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.It Buffalo WLI-U2-KG54L
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.It CC&C WL-2203B
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.It DrayTek Vigor 550
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.It Edimax EW-7317UG
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.It Edimax EW-7317LDG
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.It Fiberline Networks WL-43OU
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.It iNexQ UR055g
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.It Linksys WUSBF54G
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.It Longshine LCS-8131G3
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.It MSI US54SE
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.It Philips SNU5600
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.It Planet WL-U356
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.It Planex GW-US54GZ
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.It Planex GW-US54GZL
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.It Planex GW-US54Mini
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.It Safecom SWMULZ-5400
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.It Sagem XG 760A
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.It Sagem XG 76NA
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.It Sandberg Wireless G54 USB
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.It Sitecom WL-113
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.It SMC SMCWUSB-G
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.It Sweex wireless USB 54 Mbps
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.It Tekram/Siemens USB adapter
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.It Telegent TG54USB
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.It Trendnet TEW-424UB
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.It Trendnet TEW-429UB
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.It TwinMOS G240
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.It Unicorn WL-54G
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.It US Robotics 5423
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.It X-Micro XWL-11GUZX
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.It Yakumo QuickWLAN USB
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.It Zonet ZEW2501
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.It ZyXEL ZyAIR G-220
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.El
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.Sh EXAMPLES
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The following
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examples configures zyd0 to join whatever network is available on boot,
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using WEP key
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.Dq 0x1deadbeef1 ,
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channel 11:
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.Bd -literal -offset indent
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inet 192.168.1.1 netmask 255.255.255.0 wepkey 0x1deadbeef1 channel 11
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.Ed
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.Pp
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Configure zyd0 for WEP, using hex key
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.Dq 0x1deadbeef1 :
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.Bd -literal -offset indent
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# ifconfig zyd0 wepkey 0x1deadbeef1
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.Ed
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.Pp
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Join an existing BSS network,
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.Dq my_net :
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.Bd -literal -offset indent
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# ifconfig zyd0 192.168.0.2 netmask 0xffffff00 ssid my_net
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.Ed
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "zyd%d: could not load firmware (error=%d)"
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An error occurred while attempting to upload the firmware to the onboard
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microcontroller unit.
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.It "zyd%d: could not send command (error=%s)"
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An attempt to send a command to the firmware failed.
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.It "zyd%d: sorry, radio %s is not supported yet"
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Support for the specified radio chip is not yet implemented in the driver.
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The device will not attach.
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.It "zyd%d: device version mismatch: 0x%x (only >= 43.30 supported)"
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Early revisions of the ZD1211 chipset are not supported by this driver.
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The device will not attach.
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.It "zyd%d: device timeout"
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A frame dispatched to the hardware for transmission did not complete in time.
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The driver will reset the hardware.
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This should not happen.
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.El
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr intro 4 ,
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.Xr netintro 4 ,
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.Xr usb 4 ,
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.Xr wlan 4 ,
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.Xr wlan_amrr 4 ,
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.Xr ifconfig 8
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Florian Stoehr Aq ich@florian-stoehr.de ,
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.An Damien Bergamini Aq damien@openbsd.org ,
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and
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.An Jonathan Gray Aq jsg@openbsd.org .
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.Sh CAVEATS
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The
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.Nm
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driver does not support a lot of the functionality available in the hardware.
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More work is required to properly support the IBSS and power management
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features.
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