Function atl_dev_stop

dpdk/drivers/net/atlantic/atl_ethdev.c:602–642

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

 * Stop device: disable rx and tx functions to allow for reconfiguring.
 */
static int
atl_dev_stop(struct rte_eth_dev *dev)
{
	struct rte_eth_link link;
	struct aq_hw_s *hw =
		ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
	struct rte_intr_handle *intr_handle = pci_dev->intr_handle;

	PMD_INIT_FUNC_TRACE();
	dev->data->dev_started = 0;

	/* disable interrupts */
	atl_disable_intr(hw);

	/* reset the NIC */
	atl_reset_hw(hw);
	hw->adapter_stopped = 1;

	atl_stop_queues(dev);

	/* Clear stored conf */
	dev->data->scattered_rx = 0;
	dev->data->lro = 0;

	/* Clear recorded link status */
	memset(&link, 0, sizeof(link));
	rte_eth_linkstatus_set(dev, &link);

	if (!rte_intr_allow_others(intr_handle))
		/* resume to the default handler */
		rte_intr_callback_register(intr_handle,
					   atl_dev_interrupt_handler,
					   (void *)dev);

	/* Clean datapath event and queue/vec mapping */
	rte_intr_efd_disable(intr_handle);
	rte_intr_vec_list_free(intr_handle);

	return 0;
}

/*
 * Set device link up: enable tx.