sudo apt-get -y install build-essential linux-headers-$(uname -r)
mkdir tmp
cd tmp
wget http://snapshots.madwifi-project.org/madwifi-hal-0.10.5.6-current.tar.gz
tar xf madwifi-hal-0.10.5.6-current.tar.gz
cd madwifi-*
make
sudo make install
echo ath_pci | sudo tee -a /etc/modules
sudo modprobe ath_pci