mlx4_register_mac
new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
smac_index = mlx4_register_mac(dev->dev, port, smac);
smac_index = mlx4_register_mac(dev->dev, qp->port, u64_mac);
err = mlx4_register_mac(mdev->dev, priv->port, mac);
index = mlx4_register_mac(dev, priv->port, mac);
mlx4_register_mac(dev, priv->port, new_mac_u64);
EXPORT_SYMBOL_GPL(mlx4_register_mac);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);