net: introduce and use netdev_features_t for device features sets

v2:	add couple missing conversions in drivers
	split unexporting netdev_fix_features()
	implemented %pNF
	convert sock::sk_route_(no?)caps

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/mv643xx_eth.c

@@ -1579,10 +1579,10 @@ mv643xx_eth_set_ringparam(struct net_device *dev, struct ethtool_ringparam *er)
 
 
 static int
-mv643xx_eth_set_features(struct net_device *dev, u32 features)
+mv643xx_eth_set_features(struct net_device *dev, netdev_features_t features)
 {
 	struct mv643xx_eth_private *mp = netdev_priv(dev);
-	u32 rx_csum = features & NETIF_F_RXCSUM;
+	int rx_csum = !!(features & NETIF_F_RXCSUM);
 
 	wrlp(mp, PORT_CONFIG, rx_csum ? 0x02000000 : 0x00000000);