1.\" Copyright (c) 2009 Christian Brueffer 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd February 6, 2011 28.Dt BWI 4 29.Os 30.Sh NAME 31.Nm bwi 32.Nd Broadcom BCM43xx IEEE 802.11b/g wireless network driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your 36kernel configuration file: 37.Bd -ragged -offset indent 38.Cd "device bwi" 39.Cd "device wlan" 40.Cd "device wlan_amrr" 41.Cd "device firmware" 42.Ed 43.Pp 44Alternatively, to load the driver as a 45module at boot time, place the following line in 46.Xr loader.conf 5 : 47.Bd -literal -offset indent 48if_bwi_load="YES" 49.Ed 50.Sh DESCRIPTION 51The 52.Nm 53driver provides support for Broadcom BCM43xx based 54PCI/CardBus network adapters. 55.Pp 56It supports 57.Cm station 58and 59.Cm monitor 60mode operation. 61Only one virtual interface may be configured at any time. 62For more information on configuring this device, see 63.Xr ifconfig 8 . 64.Pp 65This driver requires firmware to be loaded before it will work. 66The 67.Pa ports/net/bwi-firmware-kmod 68port needs to be installed before 69.Xr ifconfig 8 70will work. 71.Sh HARDWARE 72The 73.Nm 74driver supports Broadcom BCM43xx based wireless devices, including: 75.Bl -column "Apple Airport Extreme" "BCM4306" "Mini PCI" "a/b/g" -offset 6n 76.It Em "Card" Ta Em "Chip" Ta Em "Bus" Ta Em "Standard" 77.It "Apple Airport Extreme BCM4306 PCI b/g" 78.It "Apple Airport Extreme BCM4318 PCI b/g" 79.It "ASUS WL-138g BCM4318 PCI b/g" 80.It "Buffalo WLI-CB-G54S BCM4318 CardBus b/g" 81.It "Buffalo WLI-PCI-G54S BCM4306 PCI b/g" 82.It "Compaq R4035 onboard BCM4306 PCI b/g" 83.It "Dell Wireless 1390 BCM4311 Mini PCI b/g" 84.It "Dell Wireless 1470 BCM4318 Mini PCI b/g" 85.It "Dell Truemobile 1300 r2 BCM4306 Mini PCI b/g" 86.It "Dell Truemobile 1400 BCM4309 Mini PCI b/g" 87.It "HP nx6125 BCM4319 PCI b/g" 88.It "Linksys WPC54G Ver 3 BCM4318 CardBus b/g" 89.It "Linksys WPC54GS Ver 2 BCM4318 CardBus b/g" 90.It "TRENDnet TEW-401PCplus BCM4306 CardBus b/g" 91.It "US Robotics 5411 BCM4318 CardBus b/g" 92.El 93.Pp 94The 95.Nm 96driver uses the older v3 version of Broadcom's firmware. 97While this older firmware does support most BCM43xx parts, the 98.Xr bwn 4 99driver works better for the newer chips it supports. 100You must use the 101.Nm 102driver if you are using older Broadcom chipsets (BCM4301, BCM4303 and 103BCM4306 rev 2). 104The v4 version of the firmware that 105.Xr bwn 4 106uses does not support these chips. 107.Sh EXAMPLES 108Join an existing BSS network (i.e., connect to an access point): 109.Bd -literal -offset indent 110ifconfig wlan create wlandev bwi0 inet 192.168.0.20 \e 111 netmask 0xffffff00 112.Ed 113.Pp 114Join a specific BSS network with network name 115.Dq Li my_net : 116.Pp 117.Dl "ifconfig wlan create wlandev bwi0 ssid my_net up" 118.Pp 119Join a specific BSS network with 64-bit WEP encryption: 120.Bd -literal -offset indent 121ifconfig wlan create wlandev bwi0 ssid my_net \e 122 wepmode on wepkey 0x1234567890 weptxkey 1 up 123.Ed 124.Sh SEE ALSO 125.Xr arp 4 , 126.Xr cardbus 4 , 127.Xr intro 4 , 128.Xr pci 4 , 129.Xr wlan 4 , 130.Xr wlan_amrr 4 , 131.Xr ifconfig 8 , 132.Xr wpa_supplicant 8 133.Sh HISTORY 134The 135.Nm 136driver first appeared in 137.Fx 8.0 . 138.Sh AUTHORS 139.An -nosplit 140The 141.Nm 142driver was written for DragonFly BSD by 143.An Sepherosa Ziehau 144and subsequently ported to 145.Fx . 146.Sh BUGS 147Some card based on the BCM4306 and BCM4309 chips do not work properly 148on channel 1, 2 and 3. 149