Function i40e_dev_stop

dpdk/drivers/net/i40e/i40e_ethdev.c:2500–2561

}

static int
i40e_dev_stop(struct rte_eth_dev *dev)
{
	struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
	struct i40e_vsi *main_vsi = pf->main_vsi;
	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
	struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
	int i;

	if (hw->adapter_stopped == 1)
		return 0;

	if (dev->data->dev_conf.intr_conf.rxq == 0) {
		rte_eal_alarm_cancel(i40e_dev_alarm_handler, dev);
		rte_intr_enable(intr_handle);
	}

	/* Disable all queues */
	for (i = 0; i < dev->data->nb_tx_queues; i++)
		i40e_dev_tx_queue_stop(dev, i);

	for (i = 0; i < dev->data->nb_rx_queues; i++)
		i40e_dev_rx_queue_stop(dev, i);

	/* un-map queues with interrupt registers */
	i40e_vsi_disable_queues_intr(main_vsi);
	i40e_vsi_queues_unbind_intr(main_vsi);

	for (i = 0; i < pf->nb_cfg_vmdq_vsi; i++) {
		i40e_vsi_disable_queues_intr(pf->vmdq[i].vsi);
		i40e_vsi_queues_unbind_intr(pf->vmdq[i].vsi);
	}

	/* Clear all queues and release memory */
	i40e_dev_clear_queues(dev);

	/* Set link down */
	i40e_dev_set_link_down(dev);

	if (!rte_intr_allow_others(intr_handle))
		/* resume to the default handler */
		rte_intr_callback_register(intr_handle,
					   i40e_dev_interrupt_handler,
					   (void *)dev);

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

	/* Cleanup vector list */
	rte_intr_vec_list_free(intr_handle);

	/* reset hierarchy commit */
	pf->tm_conf.committed = false;

	hw->adapter_stopped = 1;
	dev->data->dev_started = 0;