Mine

# cat /etc/conf.d/net

modules=( "wpa_supplicant" )

wpa_supplicant_ath0="-Dipw"
wpa_timeout_ath0=60
wpa_supplicant_ath0="-Dmadwifi"
iwconfig_ath0="mode managed"





# cat /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel
ap_scan=1

#=====    Home    =====
#network={
#       priority=99
#       ssid="ddwrt"
#       wep_key0="some key"
#       wep_tx_keyidx=0
#       scan_ssid=1
#       proto=WPA2
#       key_mgmt=NONE
#}

network={
        ssid="ddwrt"
        proto=WPA2
        key_mgmt=WPA-PSK
        pairwise=CCMP
        group=CCMP
        psk="some key I don't wanna share"
}