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Man Pages


Manual Reference Pages  -  BWI (4)

NAME

bwi - Broadcom BCM43xx IEEE 802.11b/g wireless network driver

CONTENTS

Synopsis
Description
Hardware
Examples
See Also
History
Authors
Bugs

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:


.Cd device bwi
.Cd device wlan
.Cd device wlan_amrr
.Cd device firmware

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

if_bwi_load="YES"

DESCRIPTION

The bwi driver provides support for Broadcom BCM43xx based PCI/CardBus network adapters.

It supports station and monitor mode operation. Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).

This driver requires firmware to be loaded before it will work. The ports/net/bwi-firmware-kmod port needs to be installed before ifconfig(8) will work.

HARDWARE

The bwi driver supports Broadcom BCM43xx based wireless devices, including:
Card      Chip      Bus      Standard
Apple Airport Extreme BCM4306 PCI     b/g
Apple Airport Extreme BCM4318 PCI     b/g
ASUS WL-138g  BCM4318 PCI     b/g
Buffalo WLI-CB-G54S   BCM4318 CardBus b/g
Buffalo WLI-PCI-G54S  BCM4306 PCI     b/g
Compaq R4035 onboard  BCM4306 PCI     b/g
Dell Wireless 1390    BCM4311 Mini PCI        b/g
Dell Wireless 1470    BCM4318 Mini PCI        b/g
Dell Truemobile 1300 r2       BCM4306 Mini PCI        b/g
Dell Truemobile 1400  BCM4309 Mini PCI        b/g
HP nx6125     BCM4319 PCI     b/g
Linksys WPC54G Ver 3  BCM4318 CardBus b/g
Linksys WPC54GS Ver 2 BCM4318 CardBus b/g
TRENDnet TEW-401PCplus        BCM4306 CardBus b/g
US Robotics 5411      BCM4318 CardBus b/g
 

The bwi driver uses the older v3 version of Broadcom’s firmware. While this older firmware does support most BCM43xx parts, the bwn(4) driver works better for the newer chips it supports. You must use the bwi driver if you are using older Broadcom chipsets (BCM4301, BCM4303 and BCM4306 rev 2). The v4 version of the firmware that bwn(4) uses does not support these chips.

EXAMPLES

Join an existing BSS network (i.e., connect to an access point):
ifconfig wlan create wlandev bwi0 inet 192.168.0.20 \
    netmask 0xffffff00

Join a specific BSS network with network name "my_net":

    ifconfig wlan create wlandev bwi0 ssid my_net up

Join a specific BSS network with 64-bit WEP encryption:

ifconfig wlan create wlandev bwi0 ssid my_net \
        wepmode on wepkey 0x1234567890 weptxkey 1 up

SEE ALSO

arp(4), cardbus(4), intro(4), pci(4), wlan(4), wlan_amrr(4), ifconfig(8), wpa_supplicant(8)

HISTORY

The bwi driver first appeared in
.Fx 8.0 .

AUTHORS


.An -nosplit The bwi driver was written for DragonFly BSD by
.An Sepherosa Ziehau and subsequently ported to
.Fx .

BUGS

Some card based on the BCM4306 and BCM4309 chips do not work properly on channel 1, 2 and 3.
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