USB SUNRPC

Hello, Am working on a project which is some thing like i receive the RPC message over USB, and redirect this message to SUNRPC server or network file server NFS(by manually decoding the RPC messages using XDR libs). So is this feasible or should i proceed with writing my own NFS in the user space. Background: I have written the USB device drivers and a network driver, which successfully return the data received via USB, to the user space program which has opened a socket to the address family and a protocol family i have implemented. I have gone though the source code of net/sunrpc and fs/nfsd