C++ (Cpp) mlx5_wq_destroyの例

コード例 #1

ファイル: en_main.c プロジェクト: Dyoed/ath

static void mlx5e_destroy_sq(struct mlx5e_sq *sq)
{
	struct mlx5e_channel *c = sq->channel;
	struct mlx5e_priv *priv = c->priv;

	mlx5e_free_sq_db(sq);
	mlx5_wq_destroy(&sq->wq_ctrl);
	mlx5_unmap_free_uar(priv->mdev, &sq->uar);
}

コード例 #2

ファイル: en_main.c プロジェクト: 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;
}

コード例 #3

ファイル: en_main.c プロジェクト: Kirill2013/kasan

static int mlx5e_create_sq(struct mlx5e_channel *c,
			   int tc,
			   struct mlx5e_sq_param *param,
			   struct mlx5e_sq *sq)
{
	struct mlx5e_priv *priv = c->priv;
	struct mlx5_core_dev *mdev = priv->mdev;

	void *sqc = param->sqc;
	void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq);
	int txq_ix;
	int err;

	err = mlx5_alloc_map_uar(mdev, &sq->uar);
	if (err)
		return err;

	err = mlx5_wq_cyc_create(mdev, &param->wq, sqc_wq, &sq->wq,
				 &sq->wq_ctrl);
	if (err)
		goto err_unmap_free_uar;

	sq->wq.db       = &sq->wq.db[MLX5_SND_DBR];
	sq->uar_map     = sq->uar.map;
	sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2;

	err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu));
	if (err)
		goto err_sq_wq_destroy;

	txq_ix = c->ix + tc * priv->params.num_channels;
	sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix);

	sq->pdev    = c->pdev;
	sq->mkey_be = c->mkey_be;
	sq->channel = c;
	sq->tc      = tc;
	sq->edge    = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS;
	priv->txq_to_sq_map[txq_ix] = sq;

	return 0;

err_sq_wq_destroy:
	mlx5_wq_destroy(&sq->wq_ctrl);

err_unmap_free_uar:
	mlx5_unmap_free_uar(mdev, &sq->uar);

	return err;
}

コード例 #4

ファイル: en_main.c プロジェクト: Dyoed/ath

static void mlx5e_destroy_cq(struct mlx5e_cq *cq)
{
	mlx5_wq_destroy(&cq->wq_ctrl);
}

コード例 #5

ファイル: en_main.c プロジェクト: Dyoed/ath

static void mlx5e_destroy_rq(struct mlx5e_rq *rq)
{
	kfree(rq->skb);
	mlx5_wq_destroy(&rq->wq_ctrl);
}