ethdev: add device flag to bypass auto-filled queue xstats

[dpdk.git] / lib / librte_ethdev / rte_ethdev.c

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index ee2bc51..a0508ac 100644 (file)
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -2698,8 +2698,10 @@ get_xstats_basic_count(struct rte_eth_dev *dev)
        nb_txqs = RTE_MIN(dev->data->nb_tx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
 
        count = RTE_NB_STATS;
-       count += nb_rxqs * RTE_NB_RXQ_STATS;
-       count += nb_txqs * RTE_NB_TXQ_STATS;
+       if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) {
+               count += nb_rxqs * RTE_NB_RXQ_STATS;
+               count += nb_txqs * RTE_NB_TXQ_STATS;
+       }
 
        return count;
 }
@@ -2790,6 +2792,10 @@ rte_eth_basic_stats_get_names(struct rte_eth_dev *dev,
                        sizeof(xstats_names[0].name));
                cnt_used_entries++;
        }
+
+       if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
+               return cnt_used_entries;
+
        num_q = RTE_MIN(dev->data->nb_rx_queues, RTE_ETHDEV_QUEUE_STAT_CNTRS);
        for (id_queue = 0; id_queue < num_q; id_queue++) {
                for (idx = 0; idx < RTE_NB_RXQ_STATS; idx++) {
@@ -2988,6 +2994,9 @@ rte_eth_basic_stats_get(uint16_t port_id, struct rte_eth_xstat *xstats)
                xstats[count++].value = val;
        }
 
+       if ((dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS) == 0)
+               return count;
+
        /* per-rxq stats */
        for (q = 0; q < nb_rxqs; q++) {
                for (i = 0; i < RTE_NB_RXQ_STATS; i++) {
@@ -3123,8 +3132,9 @@ rte_eth_xstats_get(uint16_t port_id, struct rte_eth_xstat *xstats,
        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);
+       count = RTE_NB_STATS;
+       if (dev->data->dev_flags & RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS)
+               count += (nb_rxqs * RTE_NB_RXQ_STATS) + (nb_txqs * RTE_NB_TXQ_STATS);
 
        /* implemented by the driver */
        if (dev->dev_ops->xstats_get != NULL) {