Function mlx5_set_default_params

dpdk/drivers/net/mlx5/mlx5_ethdev.c:241–271

* Sets default tuning parameters. * * @param dev * Pointer to Ethernet device. * @param[out] info * Info structure output buffer. */

 *   Info structure output buffer.
 */
static void
mlx5_set_default_params(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
{
	struct mlx5_priv *priv = dev->data->dev_private;

	/* Minimum CPU utilization. */
	info->default_rxportconf.ring_size = 256;
	info->default_txportconf.ring_size = 256;
	info->default_rxportconf.burst_size = MLX5_RX_DEFAULT_BURST;
	info->default_txportconf.burst_size = MLX5_TX_DEFAULT_BURST;
	if ((priv->link_speed_capa & RTE_ETH_LINK_SPEED_200G) |
		(priv->link_speed_capa & RTE_ETH_LINK_SPEED_100G)) {
		info->default_rxportconf.nb_queues = 16;
		info->default_txportconf.nb_queues = 16;
		if (dev->data->nb_rx_queues > 2 ||
		    dev->data->nb_tx_queues > 2) {
			/* Max Throughput. */
			info->default_rxportconf.ring_size = 2048;
			info->default_txportconf.ring_size = 2048;
		}
	} else {
		info->default_rxportconf.nb_queues = 8;
		info->default_txportconf.nb_queues = 8;
		if (dev->data->nb_rx_queues > 2 ||
		    dev->data->nb_tx_queues > 2) {
			/* Max Throughput. */
			info->default_rxportconf.ring_size = 4096;
			info->default_txportconf.ring_size = 4096;
		}
	}
}

/**
 * Sets tx mbuf limiting parameters.