This is a network (Ethernet) device which attaches to your parallel
port. Read the file <file:drivers/net/ethernet/realtek/atp.c>
if you want to use this. If you intend to use this driver, you
should have said N to the "Parallel printer support", because the two
drivers don't like each other.

To compile this driver as a module, choose M here: the module
will be called atp.