[dpdk-dev] [PATCH v3 10/15] net/dpaa2: add per queue stats get and reset support

[Shreyansh Jain]

For now, only the packet count stats per queue is available. This is
part of xstats output (though, per queue stats are actually part of
rte_eth_stats basic stats).

Signed-off-by: Shreyansh Jain <shreyansh.j...@nxp.com>
---
 drivers/net/dpaa2/dpaa2_ethdev.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 522a827d4..46fa38f4a 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -1118,6 +1118,8 @@ int dpaa2_dev_stats_get(struct rte_eth_dev *dev,
        int32_t  retcode;
        uint8_t page0 = 0, page1 = 1, page2 = 2;
        union dpni_statistics value;
+       int i;
+       struct dpaa2_queue *dpaa2_rxq, *dpaa2_txq;
 
        memset(&value, 0, sizeof(union dpni_statistics));
 
@@ -1165,6 +1167,21 @@ int dpaa2_dev_stats_get(struct rte_eth_dev *dev,
        stats->oerrors = value.page_2.egress_discarded_frames;
        stats->imissed = value.page_2.ingress_nobuffer_discards;
 
+       /* Fill in per queue stats */
+       for (i = 0; (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) &&
+               (i < priv->nb_rx_queues || i < priv->nb_tx_queues); ++i) {
+               dpaa2_rxq = (struct dpaa2_queue *)priv->rx_vq[i];
+               dpaa2_txq = (struct dpaa2_queue *)priv->tx_vq[i];
+               if (dpaa2_rxq)
+                       stats->q_ipackets[i] = dpaa2_rxq->rx_pkts;
+               if (dpaa2_txq)
+                       stats->q_opackets[i] = dpaa2_txq->tx_pkts;
+
+               /* Byte counting is not implemented */
+               stats->q_ibytes[i]   = 0;
+               stats->q_obytes[i]   = 0;
+       }
+
        return 0;
 
 err:
@@ -1324,6 +1341,8 @@ dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
        struct dpaa2_dev_priv *priv = dev->data->dev_private;
        struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
        int32_t  retcode;
+       int i;
+       struct dpaa2_queue *dpaa2_q;
 
        PMD_INIT_FUNC_TRACE();
 
@@ -1336,6 +1355,19 @@ dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
        if (retcode)
                goto error;
 
+       /* Reset the per queue stats in dpaa2_queue structure */
+       for (i = 0; i < priv->nb_rx_queues; i++) {
+               dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
+               if (dpaa2_q)
+                       dpaa2_q->rx_pkts = 0;
+       }
+
+       for (i = 0; i < priv->nb_tx_queues; i++) {
+               dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
+               if (dpaa2_q)
+                       dpaa2_q->tx_pkts = 0;
+       }
+
        return;
 
 error:
-- 
2.17.1