mlx5_ib_qp_set_counter
err = mlx5_ib_qp_set_counter(qp, counter);
mlx5_ib_qp_set_counter(qp, NULL);
err = mlx5_ib_qp_set_counter(qp, NULL);
int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter);