Function rte_eth_xstats_get_names

dpdk/lib/ethdev/rte_ethdev.c:3434–3473

}

int
rte_eth_xstats_get_names(uint16_t port_id,
	struct rte_eth_xstat_name *xstats_names,
	unsigned int size)
{
	struct rte_eth_dev *dev;
	int cnt_used_entries;
	int cnt_expected_entries;
	int cnt_driver_entries;
	int i;

	cnt_expected_entries = eth_dev_get_xstats_count(port_id);
	if (xstats_names == NULL || cnt_expected_entries < 0 ||
			(int)size < cnt_expected_entries)
		return cnt_expected_entries;

	/* port_id checked in eth_dev_get_xstats_count() */
	dev = &rte_eth_devices[port_id];

	cnt_used_entries = eth_basic_stats_get_names(dev, xstats_names);

	if (dev->dev_ops->xstats_get_names != NULL) {
		/* If there are any driver-specific xstats, append them
		 * to end of list.
		 */
		cnt_driver_entries = (*dev->dev_ops->xstats_get_names)(
			dev,
			xstats_names + cnt_used_entries,
			size - cnt_used_entries);
		if (cnt_driver_entries < 0)
			return eth_err(port_id, cnt_driver_entries);
		cnt_used_entries += cnt_driver_entries;
	}

	for (i = 0; i < cnt_used_entries; i++)
		rte_eth_trace_xstats_get_names(port_id, i, &xstats_names[i],
					       size, cnt_used_entries);

	return cnt_used_entries;
}


static int