Function sfc_dev_close

dpdk/drivers/net/sfc/sfc_ethdev.c:345–400

}

static int
sfc_dev_close(struct rte_eth_dev *dev)
{
	struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);

	sfc_log_init(sa, "entry");

	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
		sfc_eth_dev_secondary_clear_ops(dev);
		return 0;
	}

	sfc_pre_detach(sa);

	sfc_adapter_lock(sa);
	switch (sa->state) {
	case SFC_ETHDEV_STARTED:
		sfc_stop(sa);
		SFC_ASSERT(sa->state == SFC_ETHDEV_CONFIGURED);
		/* FALLTHROUGH */
	case SFC_ETHDEV_CONFIGURED:
		sfc_close(sa);
		SFC_ASSERT(sa->state == SFC_ETHDEV_INITIALIZED);
		/* FALLTHROUGH */
	case SFC_ETHDEV_INITIALIZED:
		break;
	default:
		sfc_err(sa, "unexpected adapter state %u on close", sa->state);
		break;
	}

	/*
	 * Cleanup all resources.
	 * Rollback primary process sfc_eth_dev_init() below.
	 */

	sfc_eth_dev_clear_ops(dev);

	sfc_nic_dma_detach(sa);
	sfc_detach(sa);
	sfc_unprobe(sa);

	sfc_kvargs_cleanup(sa);

	sfc_adapter_unlock(sa);
	sfc_adapter_lock_fini(sa);

	sfc_log_init(sa, "done");

	/* Required for logging, so cleanup last */
	sa->eth_dev = NULL;

	free(sa);

	return 0;
}

static int