mlx5_get_next_lag_func
i = mlx5_get_next_lag_func(ldev, 0, filter);
i = mlx5_get_next_lag_func(ldev, 0, MLX5_LAG_FILTER_PORTS);
tmp = mlx5_get_next_lag_func(ldev, tmp, filter), \
int mlx5_get_next_lag_func(struct mlx5_lag *ldev, int start_idx, u32 filter);