mv643xx_eth: allow enabling/disabling tx checksumming via ethtool

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 3bbbd94..a99e5d3 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1606,6 +1606,7 @@
 	.set_ringparam		= mv643xx_eth_set_ringparam,
 	.get_rx_csum		= mv643xx_eth_get_rx_csum,
 	.set_rx_csum		= mv643xx_eth_set_rx_csum,
+	.set_tx_csum		= ethtool_op_set_tx_csum,
 	.set_sg			= ethtool_op_set_sg,
 	.get_strings		= mv643xx_eth_get_strings,
 	.get_ethtool_stats	= mv643xx_eth_get_ethtool_stats,