Hey dudes. I just ported the starterware enetEcho application to bare-metal / GNU. Basically, it is an echo server and you can ping it. UDP Tx/Rx seems to work ok. I didn't test the TCP stuff, but it may be readily do-able. This will give your bone UDP functionality. The port was pretty clean, that is after I got MMU & CACHE working with IRQ!
I posted the zipfile on www.github.com/ddlawrence and www.baremetal.tech
go nuts................dd