Function ena_xstats_get_names

dpdk/drivers/net/ena/ena_ethdev.c:3297–3336

* DPDK callback to retrieve names of extended device statistics * * @param dev * Pointer to Ethernet device structure. * @param[out] xstats_names * Buffer to insert names into. * @param n * Number of names. * * @return * Number of xstats names. */

 *   Number of xstats names.
 */
static int ena_xstats_get_names(struct rte_eth_dev *dev,
				struct rte_eth_xstat_name *xstats_names,
				unsigned int n)
{
	struct ena_adapter *adapter = dev->data->dev_private;
	unsigned int xstats_count = ena_xstats_calc_num(dev->data);
	unsigned int stat, i, count = 0;

	if (n < xstats_count || !xstats_names)
		return xstats_count;

	for (stat = 0; stat < ENA_STATS_ARRAY_GLOBAL; stat++, count++)
		strcpy(xstats_names[count].name,
			ena_stats_global_strings[stat].name);

	for (stat = 0; stat < adapter->metrics_num; stat++, count++)
		rte_strscpy(xstats_names[count].name,
			    ena_stats_metrics_strings[stat].name,
			    RTE_ETH_XSTATS_NAME_SIZE);
	for (stat = 0; stat < ENA_STATS_ARRAY_ENA_SRD; stat++, count++)
		rte_strscpy(xstats_names[count].name,
			    ena_stats_srd_strings[stat].name,
			    RTE_ETH_XSTATS_NAME_SIZE);

	for (stat = 0; stat < ENA_STATS_ARRAY_RX; stat++)
		for (i = 0; i < dev->data->nb_rx_queues; i++, count++)
			snprintf(xstats_names[count].name,
				sizeof(xstats_names[count].name),
				"rx_q%d_%s", i,
				ena_stats_rx_strings[stat].name);

	for (stat = 0; stat < ENA_STATS_ARRAY_TX; stat++)
		for (i = 0; i < dev->data->nb_tx_queues; i++, count++)
			snprintf(xstats_names[count].name,
				sizeof(xstats_names[count].name),
				"tx_q%d_%s", i,
				ena_stats_tx_strings[stat].name);

	return xstats_count;
}

/**
 * DPDK callback to retrieve names of extended device statistics for the given