Function mlx5_devx_drop_action_create

dpdk/drivers/net/mlx5/mlx5_devx.c:1166–1195

* Create a DevX drop action for Rx Hash queue. * * @param dev * Pointer to Ethernet device. * * @return * 0 on success, a negative errno value otherwise and rte_errno is set. */

 *   0 on success, a negative errno value otherwise and rte_errno is set.
 */
static int
mlx5_devx_drop_action_create(struct rte_eth_dev *dev)
{
	struct mlx5_priv *priv = dev->data->dev_private;
	struct mlx5_hrxq *hrxq = priv->drop_queue.hrxq;
	int ret;

	ret = mlx5_rxq_devx_obj_drop_create(dev);
	if (ret != 0) {
		DRV_LOG(ERR, "Cannot create drop RX queue");
		return ret;
	}
	if (priv->sh->config.dv_flow_en == 2)
		return 0;
	/* hrxq->ind_table queues are NULL, drop RX queue ID will be used */
	ret = mlx5_devx_ind_table_new(dev, 0, hrxq->ind_table);
	if (ret != 0) {
		DRV_LOG(ERR, "Cannot create drop hash RX queue indirection table");
		goto error;
	}
	ret = mlx5_devx_hrxq_new(dev, hrxq, /* tunnel */ false);
	if (ret != 0) {
		DRV_LOG(ERR, "Cannot create drop hash RX queue");
		goto error;
	}
	return 0;
error:
	mlx5_devx_drop_action_destroy(dev);
	return ret;
}

/**
 * Select TXQ TIS number.