[PATCH] mv643xx_eth: use MII library for ethtool functions

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: James Chapman <jchapman@katalix.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

include/linux/mv643xx.h

@@ -1214,6 +1214,7 @@ struct mv64xxx_i2c_pdata {
 #define MV643XX_ETH_FORCE_BP_MODE_NO_JAM		0
 #define MV643XX_ETH_FORCE_BP_MODE_JAM_TX		(1<<7)
 #define MV643XX_ETH_FORCE_BP_MODE_JAM_TX_ON_RX_ERR	(1<<8)
+#define MV643XX_ETH_SERIAL_PORT_CONTROL_RESERVED	(1<<9)
 #define MV643XX_ETH_FORCE_LINK_FAIL			0
 #define MV643XX_ETH_DO_NOT_FORCE_LINK_FAIL		(1<<10)
 #define MV643XX_ETH_RETRANSMIT_16_ATTEMPTS		0
@@ -1243,6 +1244,8 @@ struct mv64xxx_i2c_pdata {
 #define MV643XX_ETH_SET_MII_SPEED_TO_10			0
 #define MV643XX_ETH_SET_MII_SPEED_TO_100		(1<<24)
 
+#define MV643XX_ETH_MAX_RX_PACKET_MASK			(0x7<<17)
+
 #define	MV643XX_ETH_PORT_SERIAL_CONTROL_DEFAULT_VALUE		\
 		MV643XX_ETH_DO_NOT_FORCE_LINK_PASS	|	\
 		MV643XX_ETH_ENABLE_AUTO_NEG_FOR_DUPLX	|	\