AND ... we get a return packet.

Make it longer
screw checksums
don't set broadcast
send your ethernet mac

and some combination of these did it. Who knows which.

Signed-off-by: Ron Minnich <rminnich@gmail.com>
Processing replies, but not correctly. But we're getting them.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
And we processed a packet. It works. But not in qemu :-(

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>