我的无线网卡接口名字是ra0.
[root@FriendlyARM /]# start-wifi wpa2 Connectify-me 9876543210
ifconfig: SIOCSIFADDR: No such device
ioctl[SIOCGIFFLAGS]: No such device
Could not get interface 'wlan0' flags
ioctl[SIOCSIWPMKSA]: No such device
ioctl[SIOCSIWMODE]: No such device
Could not configure driver to use managed mode
ioctl[SIOCGIWRANGE]: No such device
ioctl[SIOCGIWMODE]: No such device
ioctl[SIOCSIWAP]: No such device
ioctl[SIOCSIWESSID]: No such device
ioctl[SIOCGIFINDEX]: No such device
ioctl[SIOCSIWENCODEEXT]: No such device
ioctl[SIOCSIWENCODE]: No such device
ioctl[SIOCSIWENCODEEXT]: No such device
ioctl[SIOCSIWENCODE]: No such device
ioctl[SIOCSIWENCODEEXT]: No such device
ioctl[SIOCSIWENCODE]: No such device
ioctl[SIOCSIWENCODEEXT]: No such device
ioctl[SIOCSIWENCODE]: No such device
Failed to disable WPA in the driver.
ioctl[SIOCGIWMODE]: No such device
ioctl[SIOCSIWAP]: No such device
ioctl[SIOCSIWESSID]: No such device
ioctl[SIOCGIFFLAGS]: No such device
udhcpc: SIOCGIFINDEX: No such device
