150 lines
4.4 KiB
Groff
150 lines
4.4 KiB
Groff
.\" Copyright (c) 2009 Christian Brueffer
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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 February 6, 2011
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.Dt BWI 4
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.Os
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.Sh NAME
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.Nm bwi
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.Nd Broadcom BCM43xx IEEE 802.11b/g wireless network driver
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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 bwi"
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.Cd "device wlan"
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.Cd "device wlan_amrr"
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.Cd "device firmware"
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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_bwi_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 Broadcom BCM43xx based
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PCI/CardBus network adapters.
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.Pp
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It supports
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.Cm station
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and
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.Cm monitor
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mode operation.
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Only one virtual interface may be configured at any time.
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Pp
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This driver requires firmware to be loaded before it will work.
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The
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.Pa ports/net/bwi-firmware-kmod
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port needs to be installed before
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.Xr ifconfig 8
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will work.
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.Sh HARDWARE
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The
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.Nm
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driver supports Broadcom BCM43xx based wireless devices, including:
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.Pp
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.Bl -column -compact "Apple Airport Extreme" "BCM4306" "Mini PCI" "a/b/g" -offset 6n
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.It Em "Card Chip Bus Standard"
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.It "Apple Airport Extreme BCM4306 PCI b/g"
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.It "Apple Airport Extreme BCM4318 PCI b/g"
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.It "ASUS WL-138g BCM4318 PCI b/g"
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.It "Buffalo WLI-CB-G54S BCM4318 CardBus b/g"
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.It "Buffalo WLI-PCI-G54S BCM4306 PCI b/g"
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.It "Compaq R4035 onboard BCM4306 PCI b/g"
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.It "Dell Wireless 1390 BCM4311 Mini PCI b/g"
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.It "Dell Wireless 1470 BCM4318 Mini PCI b/g"
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.It "Dell Truemobile 1300 r2 BCM4306 Mini PCI b/g"
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.It "Dell Truemobile 1400 BCM4309 Mini PCI b/g"
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.It "HP nx6125 BCM4319 PCI b/g"
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.It "Linksys WPC54G Ver 3 BCM4318 CardBus b/g"
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.It "Linksys WPC54GS Ver 2 BCM4318 CardBus b/g"
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.It "TRENDnet TEW-401PCplus BCM4306 CardBus b/g"
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.It "US Robotics 5411 BCM4318 CardBus b/g"
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.El
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.Pp
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The
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.Nm
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driver uses the older v3 version of Broadcom's firmware.
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While this older firmware does support most BCM43xx parts, the
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.Xr bwn 4
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driver works better for the newer chips it supports.
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You must use the
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.Nm
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driver if you are using older Broadcom chipsets (BCM4301, BCM4303 and
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BCM4306 rev 2).
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The v4 version of the firmware that
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.Xr bwn 4
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uses does not support these chips.
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.Sh EXAMPLES
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Join an existing BSS network (i.e., connect to an access point):
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.Bd -literal -offset indent
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ifconfig wlan create wlandev bwi0 inet 192.168.0.20 \e
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netmask 0xffffff00
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.Ed
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.Pp
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Join a specific BSS network with network name
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.Dq Li my_net :
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.Pp
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.Dl "ifconfig wlan create wlandev bwi0 ssid my_net up"
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.Pp
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Join a specific BSS network with 64-bit WEP encryption:
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.Bd -literal -offset indent
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ifconfig wlan create wlandev bwi0 ssid my_net \e
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wepmode on wepkey 0x1234567890 weptxkey 1 up
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.Ed
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr cardbus 4 ,
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.Xr intro 4 ,
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.Xr pci 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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.Xr wpa_supplicant 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 8.0 .
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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 for DragonFly BSD by
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.An Sepherosa Ziehau
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and subsequently ported to
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.Fx .
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.Sh BUGS
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Some card based on the BCM4306 and BCM4309 chips do not work properly
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on channel 1, 2 and 3.
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