mlx4_ib_port_link_layer
if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) {
ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer;
if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ?