Use the common ethtool support functions of the MII library.
Add generic MII ioctl handler.
Add PHY parameter speed/duplex/negotiation initialization and modification.
Signed-off-by: NJames Chapman <jchapman@katalix.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>