Function iavf_dev_close

dpdk/drivers/net/iavf/iavf_ethdev.c:2828–2929

}

static int
iavf_dev_close(struct rte_eth_dev *dev)
{
	struct iavf_hw *hw = IAVF_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;
	struct iavf_adapter *adapter =
		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
	int ret;

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

	if (adapter->closed) {
		ret = 0;
		goto out;
	}

	ret = iavf_dev_stop(dev);

	/*
	 * Release redundant queue resource when close the dev
	 * so that other vfs can re-use the queues.
	 */
	if (vf->lv_enabled) {
		ret = iavf_request_queues(dev, IAVF_MAX_NUM_QUEUES_DFLT);
		if (ret)
			PMD_DRV_LOG(ERR, "Reset the num of queues failed");

		vf->max_rss_qregion = IAVF_MAX_NUM_QUEUES_DFLT;
	}

	adapter->closed = true;

	/* free iAVF security device context all related resources */
	iavf_security_ctx_destroy(adapter);

	iavf_flow_flush(dev, NULL);
	iavf_flow_uninit(adapter);

	/*
	 * disable promiscuous mode before reset vf
	 * it is a workaround solution when work with kernel driver
	 * and it is not the normal way
	 */
	if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
		iavf_config_promisc(adapter, false, false);

	iavf_vf_reset(hw);
	iavf_shutdown_adminq(hw);
	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
		/* disable uio intr before callback unregister */
		rte_intr_disable(intr_handle);

		/* unregister callback func from eal lib */
		rte_intr_callback_unregister(intr_handle,
					     iavf_dev_interrupt_handler, dev);