Function cxgbe_dev_start

dpdk/drivers/net/cxgbe/cxgbe_ethdev.c:356–409

Start the device. * It returns 0 on success. */

 * It returns 0 on success.
 */
int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
{
	struct port_info *pi = eth_dev->data->dev_private;
	struct rte_eth_rxmode *rx_conf = &eth_dev->data->dev_conf.rxmode;
	struct adapter *adapter = pi->adapter;
	int err = 0, i;

	CXGBE_FUNC_TRACE();

	/*
	 * If we don't have a connection to the firmware there's nothing we
	 * can do.
	 */
	if (!(adapter->flags & FW_OK)) {
		err = -ENXIO;
		goto out;
	}

	if (!(adapter->flags & FULL_INIT_DONE)) {
		err = cxgbe_up(adapter);
		if (err < 0)
			goto out;
	}

	if (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_SCATTER)
		eth_dev->data->scattered_rx = 1;
	else
		eth_dev->data->scattered_rx = 0;

	cxgbe_enable_rx_queues(pi);

	err = cxgbe_setup_rss(pi);
	if (err)
		goto out;

	for (i = 0; i < pi->n_tx_qsets; i++) {
		err = cxgbe_dev_tx_queue_start(eth_dev, i);
		if (err)
			goto out;
	}

	for (i = 0; i < pi->n_rx_qsets; i++) {
		err = cxgbe_dev_rx_queue_start(eth_dev, i);
		if (err)
			goto out;
	}

	err = cxgbe_link_start(pi);
	if (err)
		goto out;

out:
	return err;
}

/*
 * Stop device: disable rx and tx functions to allow for reconfiguring.