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.Dd August 7, 2015 26.Dt BWI 4 27.Os 28.Sh NAME 29.Nm bwi 30.Nd Broadcom BCM43xx IEEE 802.11b/g wireless network driver 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following lines in your 34kernel configuration file: 35.Bd -ragged -offset indent 36.Cd "device bwi" 37.Cd "device wlan" 38.Cd "device wlan_amrr" 39.Cd "device firmware" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46if_bwi_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for Broadcom BCM43xx based 52PCI/CardBus network adapters. 53.Pp 54It supports 55.Cm station 56and 57.Cm monitor 58mode operation. 59Only one virtual interface may be configured at any time. 60For more information on configuring this device, see 61.Xr ifconfig 8 . 62.Pp 63This driver requires firmware to be loaded before it will work. 64The 65.Pa ports/net/bwi-firmware-kmod 66port needs to be installed before 67.Xr ifconfig 8 68will work. 69.Sh HARDWARE 70The 71.Nm 72driver supports Broadcom BCM43xx based wireless devices, including: 73.Bl -column "Apple Airport Extreme" "BCM4306" "Mini PCI" "a/b/g" -offset 6n 74.It Em "Card" Ta Em "Chip" Ta Em "Bus" Ta Em "Standard" 75.It "Apple Airport Extreme BCM4306 PCI b/g" 76.It "Apple Airport Extreme BCM4318 PCI b/g" 77.It "ASUS WL-100g BCM4306 CardBus b/g" 78.It "ASUS WL-138g BCM4318 PCI b/g" 79.It "Buffalo WLI-CB-G54S BCM4318 CardBus b/g" 80.It "Buffalo WLI-PCI-G54S BCM4306 PCI b/g" 81.It "Compaq R4035 onboard BCM4306 PCI b/g" 82.It "Dell Wireless 1390 BCM4311 Mini PCI b/g" 83.It "Dell Wireless 1470 BCM4318 Mini PCI b/g" 84.It "Dell Truemobile 1300 r2 BCM4306 Mini PCI b/g" 85.It "Dell Truemobile 1400 BCM4309 Mini PCI b/g" 86.It "HP nx6125 BCM4319 PCI b/g" 87.It "Linksys WPC54G Ver 3 BCM4318 CardBus b/g" 88.It "Linksys WPC54GS Ver 2 BCM4318 CardBus b/g" 89.It "TRENDnet TEW-401PCplus BCM4306 CardBus b/g" 90.It "US Robotics 5411 BCM4318 CardBus b/g" 91.El 92.Pp 93The 94.Nm 95driver uses the older v3 version of Broadcom's firmware. 96While this older firmware does support most BCM43xx parts, the 97.Xr bwn 4 98driver works better for the newer chips it supports. 99You must use the 100.Nm 101driver if you are using older Broadcom chipsets (BCM4301, BCM4303 and 102BCM4306 rev 2). 103The v4 version of the firmware that 104.Xr bwn 4 105uses does not support these chips. 106.Sh EXAMPLES 107Join an existing BSS network (i.e., connect to an access point): 108.Bd -literal -offset indent 109ifconfig wlan create wlandev bwi0 inet 192.168.0.20 \e 110 netmask 0xffffff00 111.Ed 112.Pp 113Join a specific BSS network with network name 114.Dq Li my_net : 115.Pp 116.Dl "ifconfig wlan create wlandev bwi0 ssid my_net up" 117.Pp 118Join a specific BSS network with 64-bit WEP encryption: 119.Bd -literal -offset indent 120ifconfig wlan create wlandev bwi0 ssid my_net \e 121 wepmode on wepkey 0x1234567890 weptxkey 1 up 122.Ed 123.Sh SEE ALSO 124.Xr arp 4 , 125.Xr cardbus 4 , 126.Xr intro 4 , 127.Xr pci 4 , 128.Xr wlan 4 , 129.Xr wlan_amrr 4 , 130.Xr ifconfig 8 , 131.Xr wpa_supplicant 8 132.Sh HISTORY 133The 134.Nm 135driver first appeared in 136.Fx 8.0 . 137.Sh AUTHORS 138.An -nosplit 139The 140.Nm 141driver was written for 142.Dx 143by 144.An Sepherosa Ziehau 145and subsequently ported to 146.Fx . 147.Sh BUGS 148Some card based on the BCM4306 and BCM4309 chips do not work properly 149on channel 1, 2 and 3. 150