Function rte_eth_dev_stop

dpdk/lib/ethdev/rte_ethdev.c:1794–1822

}

int
rte_eth_dev_stop(uint16_t port_id)
{
	struct rte_eth_dev *dev;
	int ret;

	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
	dev = &rte_eth_devices[port_id];

	if (*dev->dev_ops->dev_stop == NULL)
		return -ENOTSUP;

	if (dev->data->dev_started == 0) {
		RTE_ETHDEV_LOG(INFO,
			"Device with port_id=%"PRIu16" already stopped\n",
			port_id);
		return 0;
	}

	/* point fast-path functions to dummy ones */
	eth_dev_fp_ops_reset(rte_eth_fp_ops + port_id);

	ret = (*dev->dev_ops->dev_stop)(dev);
	if (ret == 0)
		dev->data->dev_started = 0;
	rte_ethdev_trace_stop(port_id, ret);

	return ret;
}

int
rte_eth_dev_set_link_up(uint16_t port_id)