Well...lucky for you according to FreeBSD 8.0 Release notes
22.214.171.124 Network Interface Support
The bwi(4) driver has been added to provide support for Broadcom BCM43xx IEEE 802.11b/g wireless network interfaces.
[sparc64] The cas(4) driver has been added to provide support for Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn Gigabit Ethernet devices.
The cxgbtool(8) now supports an interactive mode for scripting of repeatedly performed tasks.
You will need to enable this feature at boot time.
1/ Install you system.
2/ Boot system
3/ Open terminal
4/ Escalate to su by invoking su
and type in the administrative password
5/ If you know how to use vi then
and insert if_bwi_load="YES" on a new line. Quit and save.
cat if_bwi_load=\"YES\" >> /boot/loader.conf
8/ Open terminal
9/ Invoke ifconfig
and see if bwi
is there. If so then it will have a number associated with it like bwi0
I'll go to the next step(s) if necessary...If you have DHCP on and no encryption key it should work automatically. Else...well we'll deal with that when that arise.
Proper documentation is here