- /* If need all xstats */
- if (!ids) {
- struct rte_eth_stats eth_stats;
- struct rte_eth_dev *dev;
- unsigned int count = 0, i, q;
- signed int xcount = 0;
- uint64_t val, *stats_ptr;
- uint16_t nb_rxqs, nb_txqs;
-
- RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
- dev = &rte_eth_devices[port_id];
-
- nb_rxqs = RTE_MIN(dev->data->nb_rx_queues,
- RTE_ETHDEV_QUEUE_STAT_CNTRS);
- nb_txqs = RTE_MIN(dev->data->nb_tx_queues,
- RTE_ETHDEV_QUEUE_STAT_CNTRS);
-
- /* Return generic statistics */
- count = RTE_NB_STATS + (nb_rxqs * RTE_NB_RXQ_STATS) +
- (nb_txqs * RTE_NB_TXQ_STATS);
-
-
- /* implemented by the driver */
- if (dev->dev_ops->xstats_get_by_id != NULL) {
- /* Retrieve the xstats from the driver at the end of the
- * xstats struct. Retrieve all xstats.
- */
- xcount = (*dev->dev_ops->xstats_get_by_id)(dev,
- NULL,
- values ? values + count : NULL,
- (n > count) ? n - count : 0);
-
- if (xcount < 0)
- return xcount;
- /* implemented by the driver */
- } else if (dev->dev_ops->xstats_get != NULL) {
- /* Retrieve the xstats from the driver at the end of the
- * xstats struct. Retrieve all xstats.
- * Compatibility for PMD without xstats_get_by_ids
- */
- unsigned int size = (n > count) ? n - count : 1;
- struct rte_eth_xstat xstats[size];
-
- xcount = (*dev->dev_ops->xstats_get)(dev,
- values ? xstats : NULL, size);
-
- if (xcount < 0)
- return xcount;
-
- if (values != NULL)
- for (i = 0 ; i < (unsigned int)xcount; i++)
- values[i + count] = xstats[i].value;
- }