Use constants already provided by the kernel for ethernet related lengths.
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

s/dam/dma
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

This driver is a modified version of the Attansic reference driver
for the L1 ethernet adapter.  Attansic has granted permission for
its inclusion in the mainline kernel.
Signed-off-by: NJeff Garzik <jeff@garzik.org>