mlx5r_wq_overflow
if (mlx5r_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
if (unlikely(mlx5r_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)))
int mlx5r_wq_overflow(struct mlx5_ib_wq *wq, int nreq, struct ib_cq *ib_cq);