I think you should check this list:
1.insmod your wifi driver in the file of init.rc
2.enable dhcpcd and  wpa_supplicant service
3.use gdb to check err code while getting wifi up of android code

On 6月21日, 上午12时45分, Elvis Dowson <[email protected]> wrote:
> Hi,
>         I am trying to get WiFi support enabled for the Overo Fire (TI
> OMAP3530), which uses a Wi2Wi W2CBW003 WiFi/Bluetooth module. I've got
> the basic wlan0 interface up and running and I'm able to ping using
> the interface.
>
> Would someone be able to help me with the required configuration
> settings to make WiFi work on android?
>
> I am using the android-2.6.29 kernel and the android-1.5 SDK release.I
> have made the following modifications to my init.rc file,
>
> File: init.rc
>
>    # create wifi filesystem structure
>     mkdir /data/misc/wifi 0770 wifi wifi
>     mkdir /data/misc/wifi/sockets 0770 wifi wifi
>     mkdir /data/misc/dhcp 0770 dhcp dhcp
>     chown dhcp dhcp /data/misc/dhcp
>
> service ifconfig /system/bin/ifconfig wlan0 up
>     disabled
>     oneshot
>
> service dhcpcd /system/bin/logwrapper /system/bin/dhcpcd -d wlan0
>     disabled
>     oneshot
>
> but get the following error:
>
> libertas: can't load helper firmware
> libertas: failed to load helper firmware
> libertas_sdio: probe of mmc1:0001:1 failed with error -2
>
> The wlan0 interface works if I boot normally into the console if I
> don't pass the init=/init kernel boot arg for the android init
> process. What should I do to get this up and running with android?
>
> Best regards,
>
> Elvis
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