Add support for basic statistics

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 doc/guides/nics/features/ioring.ini |  2 +
 drivers/net/ioring/rte_eth_ioring.c | 57 +++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)

diff --git a/doc/guides/nics/features/ioring.ini 
b/doc/guides/nics/features/ioring.ini
index da47062adb..c9a4582d0e 100644
--- a/doc/guides/nics/features/ioring.ini
+++ b/doc/guides/nics/features/ioring.ini
@@ -9,6 +9,8 @@ MTU update           = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
 Multiprocess aware   = Y
+Basic stats          = Y
+Stats per queue      = Y
 Linux               = Y
 x86-64               = Y
 Usage doc            = Y
diff --git a/drivers/net/ioring/rte_eth_ioring.c 
b/drivers/net/ioring/rte_eth_ioring.c
index 2f049e4c4f..18546f0137 100644
--- a/drivers/net/ioring/rte_eth_ioring.c
+++ b/drivers/net/ioring/rte_eth_ioring.c
@@ -360,6 +360,61 @@ eth_dev_info(struct rte_eth_dev *dev, struct 
rte_eth_dev_info *dev_info)
        return 0;
 }
 
+static int
+eth_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+       for (uint16_t i = 0; i < dev->data->nb_rx_queues; i++) {
+               const struct rx_queue *rxq = dev->data->rx_queues[i];
+
+               stats->ipackets += rxq->rx_packets;
+               stats->ibytes += rxq->rx_bytes;
+               stats->ierrors += rxq->rx_errors;
+               stats->rx_nombuf += rxq->rx_nombuf;
+
+               if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_ipackets[i] = rxq->rx_packets;
+                       stats->q_ibytes[i] = rxq->rx_bytes;
+               }
+       }
+
+       for (uint16_t i = 0; i < dev->data->nb_tx_queues; i++) {
+               const struct tx_queue *txq = dev->data->tx_queues[i];
+
+               stats->opackets += txq->tx_packets;
+               stats->obytes += txq->tx_bytes;
+               stats->oerrors += txq->tx_errors;
+
+               if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
+                       stats->q_opackets[i] = txq->tx_packets;
+                       stats->q_obytes[i] = txq->tx_bytes;
+               }
+       }
+
+       return 0;
+}
+
+static int
+eth_dev_stats_reset(struct rte_eth_dev *dev)
+{
+       for (uint16_t i = 0; i < dev->data->nb_rx_queues; i++) {
+               struct rx_queue *rxq = dev->data->rx_queues[i];
+
+               rxq->rx_packets = 0;
+               rxq->rx_bytes = 0;
+               rxq->rx_nombuf = 0;
+               rxq->rx_errors = 0;
+       }
+
+       for (uint16_t i = 0; i < dev->data->nb_tx_queues; i++) {
+               struct tx_queue *txq = dev->data->tx_queues[i];
+
+               txq->tx_packets = 0;
+               txq->tx_bytes = 0;
+               txq->tx_errors = 0;
+       }
+       return 0;
+}
+
 static int
 eth_dev_close(struct rte_eth_dev *dev)
 {
@@ -696,6 +751,8 @@ static const struct eth_dev_ops ops = {
        .promiscuous_disable    = eth_dev_promiscuous_disable,
        .allmulticast_enable    = eth_dev_allmulticast_enable,
        .allmulticast_disable   = eth_dev_allmulticast_disable,
+       .stats_get              = eth_dev_stats_get,
+       .stats_reset            = eth_dev_stats_reset,
        .rx_queue_setup         = eth_rx_queue_setup,
        .rx_queue_release       = eth_rx_queue_release,
        .tx_queue_setup         = eth_tx_queue_setup,
-- 
2.47.2

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