e1000e: function pointers for ethtool set/get offloads

Provide missing function pointers for ethtool set/get offloads.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/e1000e/ethtool.c

@@ -1996,6 +1996,8 @@ static const struct ethtool_ops e1000_ethtool_ops = {
 	.get_sset_count		= e1000e_get_sset_count,
 	.get_coalesce		= e1000_get_coalesce,
 	.set_coalesce		= e1000_set_coalesce,
+	.get_flags		= ethtool_op_get_flags,
+	.set_flags		= ethtool_op_set_flags,
 };
 
 void e1000e_set_ethtool_ops(struct net_device *netdev)