mlx5_ib_get_cqe_size
int mlx5_ib_get_cqe_size(struct ib_cq *ibcq);
scqe_sz = mlx5_ib_get_cqe_size(init_attr->send_cq);
int rcqe_sz = mlx5_ib_get_cqe_size(init_attr->recv_cq);
int rcqe_sz = mlx5_ib_get_cqe_size(attr->recv_cq);