wifi0     IEEE 802.11-DS  Mode:Managed

lo        no wireless extensions.

wlan0     IEEE 802.11-DS  Mode:Managed
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

irda0     no wireless extensions.

eth0      no wireless extensions.