[NET] move ethtool_op_set_tx_csum from 8139cp drvr to net/core/ethtool.c,

where it belongs.

drivers/net/8139cp.c

@@ -1405,17 +1405,6 @@ static int cp_set_rx_csum(struct net_device *dev, u32 data)
 	return 0;
 }
 
-/* move this to net/core/ethtool.c */
-static int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
-{
-	if (data)
-		dev->features |= NETIF_F_IP_CSUM;
-	else
-		dev->features &= ~NETIF_F_IP_CSUM;
-
-	return 0;
-}
-
 static void cp_get_regs(struct net_device *dev, struct ethtool_regs *regs,
 		        void *p)
 {

include/linux/ethtool.h

@@ -255,6 +255,7 @@ struct net_device;
 /* Some generic methods drivers may use in their ethtool_ops */
 u32 ethtool_op_get_link(struct net_device *dev);
 u32 ethtool_op_get_tx_csum(struct net_device *dev);
+int ethtool_op_set_tx_csum(struct net_device *dev, u32 data);
 u32 ethtool_op_get_sg(struct net_device *dev);
 int ethtool_op_set_sg(struct net_device *dev, u32 data);
 u32 ethtool_op_get_tso(struct net_device *dev);

net/core/ethtool.c

@@ -31,6 +31,16 @@ u32 ethtool_op_get_tx_csum(struct net_device *dev)
 	return (dev->features & NETIF_F_IP_CSUM) != 0;
 }
 
+int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
+{
+	if (data)
+		dev->features |= NETIF_F_IP_CSUM;
+	else
+		dev->features &= ~NETIF_F_IP_CSUM;
+
+	return 0;
+}
+
 u32 ethtool_op_get_sg(struct net_device *dev)
 {
 	return (dev->features & NETIF_F_SG) != 0;

net/netsyms.c

@@ -631,6 +631,7 @@ EXPORT_SYMBOL(linkwatch_fire_event);
 /* ethtool.c */
 EXPORT_SYMBOL(ethtool_op_get_link);
 EXPORT_SYMBOL(ethtool_op_get_tx_csum);
+EXPORT_SYMBOL(ethtool_op_set_tx_csum);
 EXPORT_SYMBOL(ethtool_op_get_sg);
 EXPORT_SYMBOL(ethtool_op_set_sg);
 EXPORT_SYMBOL(ethtool_op_get_tso);