C++ (Cpp) mlx5_wq_ll_get_size Examples

Example #1

File: en_main.c Project: Kirill2013/kasan

static int mlx5e_create_rq(struct mlx5e_channel *c,
			   struct mlx5e_rq_param *param,
			   struct mlx5e_rq *rq)
{
	struct mlx5e_priv *priv = c->priv;
	struct mlx5_core_dev *mdev = priv->mdev;
	void *rqc = param->rqc;
	void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
	int wq_sz;
	int err;
	int i;

	err = mlx5_wq_ll_create(mdev, &param->wq, rqc_wq, &rq->wq,
				&rq->wq_ctrl);
	if (err)
		return err;

	rq->wq.db = &rq->wq.db[MLX5_RCV_DBR];

	wq_sz = mlx5_wq_ll_get_size(&rq->wq);
	rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL,
			       cpu_to_node(c->cpu));
	if (!rq->skb) {
		err = -ENOMEM;
		goto err_rq_wq_destroy;
	}

	rq->wqe_sz = (priv->params.lro_en) ? priv->params.lro_wqe_sz :
					     MLX5E_SW2HW_MTU(priv->netdev->mtu);
	rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz + MLX5E_NET_IP_ALIGN);

	for (i = 0; i < wq_sz; i++) {
		struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i);
		u32 byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN;

		wqe->data.lkey       = c->mkey_be;
		wqe->data.byte_count =
			cpu_to_be32(byte_count | MLX5_HW_START_PADDING);
	}

	rq->pdev    = c->pdev;
	rq->netdev  = c->netdev;
	rq->channel = c;
	rq->ix      = c->ix;

	return 0;

err_rq_wq_destroy:
	mlx5_wq_destroy(&rq->wq_ctrl);

	return err;
}

Example #2

File: wq.c Project: 513855417/linux

static u32 mlx5_wq_ll_get_byte_size(struct mlx5_wq_ll *wq)
{
	return mlx5_wq_ll_get_size(wq) << wq->log_stride;
}