MLX5_CAP_ESWITCH
mdev->hca_caps_cur[MLX5_CAP_ESWITCH], cap)
mdev->hca_caps_max[MLX5_CAP_ESWITCH], cap)
err = mlx5_core_get_caps(dev, MLX5_CAP_ESWITCH);
&dev->hca_caps_cur[MLX5_CAP_ESWITCH],
&dev->hca_caps_max[MLX5_CAP_ESWITCH],