qede: Ethtool flash update support.

The patch adds ethtool callback implementation for flash update.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

@@ -699,6 +699,14 @@ static u32 qede_get_link(struct net_device *dev)
 	return current_link.link_up;
 }
 
+static int qede_flash_device(struct net_device *dev,
+			     struct ethtool_flash *flash)
+{
+	struct qede_dev *edev = netdev_priv(dev);
+
+	return edev->ops->common->nvm_flash(edev->cdev, flash->data);
+}
+
 static int qede_get_coalesce(struct net_device *dev,
 			     struct ethtool_coalesce *coal)
 {
@@ -1806,6 +1814,7 @@ static const struct ethtool_ops qede_ethtool_ops = {
 
 	.get_tunable = qede_get_tunable,
 	.set_tunable = qede_set_tunable,
+	.flash_device = qede_flash_device,
 };
 
 static const struct ethtool_ops qede_vf_ethtool_ops = {