mlx5_esw_get_hpf_host_number
controller_num = mlx5_esw_get_hpf_host_number(dev) + 1;
u16 mlx5_esw_get_hpf_host_number(struct mlx5_core_dev *dev);
if (controller == mlx5_esw_get_hpf_host_number(esw->dev) + 1)
mlx5_esw_get_hpf_host_number(dev) + 1;