On Tue, Jun 3, 2014 at 8:31 PM, Pritesh Kothari (pritkoth)
[off-list ref] wrote:

http://www.linux-usb.org/usb.ids says this, if it helps.

        12a2  iPad 2 (3G; 64GB)
        12a3  iPad 2 (CDMA)
        12a4  iPad 3 (wifi)
        12a5  iPad 3 (CDMA)
        12a6  iPad 3 (3G, 16 GB)
        12a9  iPad 2
        12ab  iPad 4 (WiFi, 32GB)

Thank you very much for the reference. I will patch in support for the
missing devices as soon as I can confirm the devices support
tethering.

-Kristian