r8169: align fix_features callback with vendor driver

This patch aligns the fix_features callback with the vendor driver and
also disables IPv6 HW checksumming and TSO if jumbo packets are used
on RTL8101/RTL8168/RTL8125.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/realtek/r8169_main.c

@@ -1558,7 +1558,7 @@ static netdev_features_t rtl8169_fix_features(struct net_device *dev,
 
 	if (dev->mtu > JUMBO_1K &&
 	    tp->mac_version > RTL_GIGA_MAC_VER_06)
-		features &= ~NETIF_F_IP_CSUM;
+		features &= ~(NETIF_F_CSUM_MASK | NETIF_F_ALL_TSO);
 
 	return features;
 }