Implement xsc ethdev basic statatics ops.

Signed-off-by: Renyong Wan <wa...@yunsilicon.com>

---

v6:
* Remove unnecessary paren.
* Add the feature of stats per queue in xsc.ini.
---
 doc/guides/nics/features/xsc.ini |  2 +
 drivers/net/xsc/xsc_ethdev.c     | 75 ++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)

diff --git a/doc/guides/nics/features/xsc.ini b/doc/guides/nics/features/xsc.ini
index 772c6418c4..56e38a27d8 100644
--- a/doc/guides/nics/features/xsc.ini
+++ b/doc/guides/nics/features/xsc.ini
@@ -11,6 +11,8 @@ L3 checksum offload  = Y
 L4 checksum offload  = Y
 Inner L3 checksum    = Y
 Inner L4 checksum    = Y
+Basic stats          = Y
+Stats per queue      = Y
 Linux                = Y
 ARMv8                = Y
 x86-64               = Y
diff --git a/drivers/net/xsc/xsc_ethdev.c b/drivers/net/xsc/xsc_ethdev.c
index d344714d79..63c64ce547 100644
--- a/drivers/net/xsc/xsc_ethdev.c
+++ b/drivers/net/xsc/xsc_ethdev.c
@@ -443,6 +443,79 @@ xsc_ethdev_tx_queue_setup(struct rte_eth_dev *dev, 
uint16_t idx, uint16_t desc,
        return 0;
 }
 
+static int
+xsc_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+       struct xsc_ethdev_priv *priv = TO_XSC_ETHDEV_PRIV(dev);
+       uint32_t rxqs_n = priv->num_rq;
+       uint32_t txqs_n = priv->num_sq;
+       uint32_t i, idx;
+       struct xsc_rxq_data *rxq;
+       struct xsc_txq_data *txq;
+
+       for (i = 0; i < rxqs_n; ++i) {
+               rxq = xsc_rxq_get(priv, i);
+               if (unlikely(rxq == NULL))
+                       continue;
+
+               idx = rxq->idx;
+               if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_ipackets[idx] += rxq->stats.rx_pkts;
+                       stats->q_ibytes[idx] += rxq->stats.rx_bytes;
+                       stats->q_errors[idx] += rxq->stats.rx_errors +
+                                               rxq->stats.rx_nombuf;
+               }
+               stats->ipackets += rxq->stats.rx_pkts;
+               stats->ibytes += rxq->stats.rx_bytes;
+               stats->ierrors += rxq->stats.rx_errors;
+               stats->rx_nombuf += rxq->stats.rx_nombuf;
+       }
+
+       for (i = 0; i < txqs_n; ++i) {
+               txq = xsc_txq_get(priv, i);
+               if (unlikely(txq == NULL))
+                       continue;
+
+               idx = txq->idx;
+               if (idx < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_opackets[idx] += txq->stats.tx_pkts;
+                       stats->q_obytes[idx] += txq->stats.tx_bytes;
+                       stats->q_errors[idx] += txq->stats.tx_errors;
+               }
+               stats->opackets += txq->stats.tx_pkts;
+               stats->obytes += txq->stats.tx_bytes;
+               stats->oerrors += txq->stats.tx_errors;
+       }
+
+       return 0;
+}
+
+static int
+xsc_ethdev_stats_reset(struct rte_eth_dev *dev)
+{
+       struct xsc_ethdev_priv *priv = TO_XSC_ETHDEV_PRIV(dev);
+       uint32_t rxqs_n = priv->num_rq;
+       uint32_t txqs_n = priv->num_sq;
+       uint32_t i;
+       struct xsc_rxq_data *rxq;
+       struct xsc_txq_data *txq;
+
+       for (i = 0; i < rxqs_n; ++i) {
+               rxq = xsc_rxq_get(priv, i);
+               if (unlikely(rxq == NULL))
+                       continue;
+               memset(&rxq->stats, 0, sizeof(struct xsc_rxq_stats));
+       }
+       for (i = 0; i < txqs_n; ++i) {
+               txq = xsc_txq_get(priv, i);
+               if (unlikely(txq == NULL))
+                       continue;
+               memset(&txq->stats, 0, sizeof(struct xsc_txq_stats));
+       }
+
+       return 0;
+}
+
 static int
 xsc_ethdev_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac, 
uint32_t index)
 {
@@ -474,6 +547,8 @@ const struct eth_dev_ops xsc_eth_dev_ops = {
        .dev_start = xsc_ethdev_start,
        .dev_stop = xsc_ethdev_stop,
        .dev_close = xsc_ethdev_close,
+       .stats_get = xsc_ethdev_stats_get,
+       .stats_reset = xsc_ethdev_stats_reset,
        .rx_queue_setup = xsc_ethdev_rx_queue_setup,
        .tx_queue_setup = xsc_ethdev_tx_queue_setup,
        .rx_queue_release = xsc_ethdev_rxq_release,
-- 
2.25.1

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