net/mlx5e: IPoIB, Support the flash device ethtool callback

This callback further invokes the mlxfw module to flash the new
firmware file to the device.
Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: NYotam Gigi <yotamg@mellanox.com>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c

@@ -121,6 +121,14 @@ static int mlx5i_get_ts_info(struct net_device *netdev,
 	return mlx5e_ethtool_get_ts_info(priv, info);
 }
 
+static int mlx5i_flash_device(struct net_device *netdev,
+			      struct ethtool_flash *flash)
+{
+	struct mlx5e_priv *priv = mlx5i_epriv(netdev);
+
+	return mlx5e_ethtool_flash_device(priv, flash);
+}
+
 const struct ethtool_ops mlx5i_ethtool_ops = {
 	.get_drvinfo       = mlx5i_get_drvinfo,
 	.get_strings       = mlx5i_get_strings,
@@ -128,6 +136,7 @@ const struct ethtool_ops mlx5i_ethtool_ops = {
 	.get_ethtool_stats = mlx5i_get_ethtool_stats,
 	.get_ringparam     = mlx5i_get_ringparam,
 	.set_ringparam     = mlx5i_set_ringparam,
+	.flash_device      = mlx5i_flash_device,
 	.get_channels      = mlx5i_get_channels,
 	.set_channels      = mlx5i_set_channels,
 	.get_coalesce      = mlx5i_get_coalesce,