Function ixgbe_dev_close

dpdk/drivers/net/ixgbe/ixgbe_ethdev.c:3066–3137

* Reset and stop device. */

 * Reset and stop device.
 */
static int
ixgbe_dev_close(struct rte_eth_dev *dev)
{
	struct ixgbe_hw *hw =
		IXGBE_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;
	int retries = 0;
	int ret;

	PMD_INIT_FUNC_TRACE();
	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		return 0;

	ixgbe_pf_reset_hw(hw);

	ret = ixgbe_dev_stop(dev);

	ixgbe_dev_free_queues(dev);

	ixgbe_disable_pcie_master(hw);

	/* reprogram the RAR[0] in case user changed it. */
	ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);

	/* Unlock any pending hardware semaphore */
	ixgbe_swfw_lock_reset(hw);

	/* disable uio intr before callback unregister */
	rte_intr_disable(intr_handle);

	do {
		ret = rte_intr_callback_unregister(intr_handle,
				ixgbe_dev_interrupt_handler, dev);
		if (ret >= 0 || ret == -ENOENT) {
			break;
		} else if (ret != -EAGAIN) {
			PMD_INIT_LOG(ERR,
				"intr callback unregister failed: %d",
				ret);
		}
		rte_delay_ms(100);
	} while (retries++ < (10 + IXGBE_LINK_UP_TIME));

	/* cancel the delay handler before remove dev */
	rte_eal_alarm_cancel(ixgbe_dev_interrupt_delayed_handler, dev);

	/* uninitialize PF if max_vfs not zero */
	ixgbe_pf_host_uninit(dev);

	/* remove all the fdir filters & hash */
	ixgbe_fdir_filter_uninit(dev);

	/* remove all the L2 tunnel filters & hash */
	ixgbe_l2_tn_filter_uninit(dev);

	/* Remove all ntuple filters of the device */
	ixgbe_ntuple_filter_uninit(dev);