Function eth_igb_close

dpdk/drivers/net/e1000/igb_ethdev.c:1530–1599

}

static int
eth_igb_close(struct rte_eth_dev *dev)
{
	struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
	struct rte_eth_link link;
	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
	struct rte_intr_handle *intr_handle = pci_dev->intr_handle;
	struct e1000_filter_info *filter_info =
		E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
	int ret;

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

	ret = eth_igb_stop(dev);

	e1000_phy_hw_reset(hw);
	igb_release_manageability(hw);
	igb_hw_control_release(hw);

	/* Clear bit for Go Link disconnect if PHY reset is not blocked */
	if (hw->mac.type >= e1000_82580 &&
	    (e1000_check_reset_block(hw) != E1000_BLK_PHY_RESET)) {
		uint32_t phpm_reg;

		phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
		E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
	}

	igb_dev_free_queues(dev);

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

	memset(&link, 0, sizeof(link));
	rte_eth_linkstatus_set(dev, &link);

	/* Reset any pending lock */
	igb_reset_swfw_lock(hw);

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

	rte_intr_callback_unregister(intr_handle,
				     eth_igb_interrupt_handler, dev);

	/* clear the SYN filter info */
	filter_info->syn_info = 0;

	/* clear the ethertype filters info */
	filter_info->ethertype_mask = 0;
	memset(filter_info->ethertype_filters, 0,
		E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter));

	/* clear the rss filter info */
	memset(&filter_info->rss_info, 0,
		sizeof(struct igb_rte_flow_rss_conf));