[PATCH v3 8/9] net/ioring: implement statistics

Stephen Hemminger
2025-03-11T23:55:31Z

Add support for basic statistics

Signed-off-by: Stephen Hemminger <stephen@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 d473c3fcbb..83446dc660 100644
--- a/drivers/net/ioring/rte_eth_ioring.c
+++ b/drivers/net/ioring/rte_eth_ioring.c
@@ -364,6 +364,61 @@ 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)
{
@@ -732,6 +787,8 @@ 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