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BWN(4)			 BSD Kernel Interfaces Manual			BWN(4)

NAME
     bwn — Broadcom BCM43xx IEEE 802.11b/g wireless network driver

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

	   device siba_bwn
	   device bwn
	   device wlan
	   device wlan_amrr
	   device firmware

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

	   if_bwn_load="YES"

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

     It supports station and monitor mode operation.  Only one virtual inter‐
     face 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/bwn-firmware-kmod port needs to be installed before ifconfig(8)
     will work.	 Most cases you need to use bwn_v4_ucode module but if you are
     a LP (low power) PHY user please uses bwn_v4_lp_ucode module.

HARDWARE
     The bwn driver supports Broadcom BCM43xx based wireless devices, includ‐
     ing:

	   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 1470	    BCM4318    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

EXAMPLES
     Join an existing BSS network (i.e., connect to an access point):

	   ifconfig wlan create wlandev bwn0 inet 192.168.0.20 \
	       netmask 0xffffff00

     Join a specific BSS network with network name “my_net”:

	   ifconfig wlan create wlandev bwn0 ssid my_net up

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

	   ifconfig wlan create wlandev bwn0 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 bwn driver first appeared in FreeBSD 8.1.

AUTHORS
     The bwn driver was written by Weongyo Jeong ⟨weongyo@FreeBSD.org⟩.

BSD			       February 25, 2010			   BSD

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