Function ena_stats_get

dpdk/drivers/net/ena/ena_ethdev.c:1144–1202

}

static int ena_stats_get(struct rte_eth_dev *dev,
			  struct rte_eth_stats *stats)
{
	struct ena_admin_basic_stats ena_stats;
	struct ena_adapter *adapter = dev->data->dev_private;
	struct ena_com_dev *ena_dev = &adapter->ena_dev;
	int rc;
	int i;
	int max_rings_stats;

	memset(&ena_stats, 0, sizeof(ena_stats));

	rte_spinlock_lock(&adapter->admin_lock);
	rc = ENA_PROXY(adapter, ena_com_get_dev_basic_stats, ena_dev,
		       &ena_stats);
	rte_spinlock_unlock(&adapter->admin_lock);
	if (unlikely(rc)) {
		PMD_DRV_LOG(ERR, "Could not retrieve statistics from ENA\n");
		return rc;
	}

	/* Set of basic statistics from ENA */
	stats->ipackets = __MERGE_64B_H_L(ena_stats.rx_pkts_high,
					  ena_stats.rx_pkts_low);
	stats->opackets = __MERGE_64B_H_L(ena_stats.tx_pkts_high,
					  ena_stats.tx_pkts_low);
	stats->ibytes = __MERGE_64B_H_L(ena_stats.rx_bytes_high,
					ena_stats.rx_bytes_low);
	stats->obytes = __MERGE_64B_H_L(ena_stats.tx_bytes_high,
					ena_stats.tx_bytes_low);

	/* Driver related stats */
	stats->imissed = adapter->drv_stats->rx_drops;
	stats->ierrors = rte_atomic64_read(&adapter->drv_stats->ierrors);
	stats->oerrors = rte_atomic64_read(&adapter->drv_stats->oerrors);
	stats->rx_nombuf = rte_atomic64_read(&adapter->drv_stats->rx_nombuf);

	max_rings_stats = RTE_MIN(dev->data->nb_rx_queues,
		RTE_ETHDEV_QUEUE_STAT_CNTRS);
	for (i = 0; i < max_rings_stats; ++i) {
		struct ena_stats_rx *rx_stats = &adapter->rx_ring[i].rx_stats;

		stats->q_ibytes[i] = rx_stats->bytes;
		stats->q_ipackets[i] = rx_stats->cnt;
		stats->q_errors[i] = rx_stats->bad_desc_num +
			rx_stats->bad_req_id;
	}

	max_rings_stats = RTE_MIN(dev->data->nb_tx_queues,
		RTE_ETHDEV_QUEUE_STAT_CNTRS);
	for (i = 0; i < max_rings_stats; ++i) {
		struct ena_stats_tx *tx_stats = &adapter->tx_ring[i].tx_stats;

		stats->q_obytes[i] = tx_stats->bytes;
		stats->q_opackets[i] = tx_stats->cnt;
	}

	return 0;