[U-Boot] Does u-boot have support for a usb-ethernet adapter:

[Harsh Goel (RBEI/ECB4)]

Does u-boot have support for a usb-ethernet adapter:

http://git.denx.de/?p=u-boot/u-boot-usb.git;a=commit;h=79c130f4a7af3ab4de041d60afa4e2fc1ec0c9ef

i found at the following link that u-boot have support for usb-ethernet adapter.

But it is not working for me .
Please help me to sort out this issue.

Detail:

I am able to ping my host from device but it connectivity stays only for some time then goes off.
Please also tell how get gatewayip also. 

Thanks and Regards,
Harsh Goel
PH: 080 6657 1215