mlx5_port_query_eth_proto
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
err = mlx5_port_query_eth_proto(mdev, 1, false, &eproto);
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext,
err = mlx5_port_query_eth_proto(mdev, 1, true, &eproto);
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);
err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto);