From: Natalie Samsonov <nsams...@marvell.com>
Add support for resetting of driver statistics.
Signed-off-by: Natalie Samsonov <nsams...@marvell.com>
---
drivers/net/mvneta/mvneta_ethdev.c | 40 +++++++++++++++++++++++++++++++-------
drivers/net/mvneta/mvneta_ethdev.h | 1 +
2 files changed, 34 insertions(+), 7 deletions(-)
diff --git a/drivers/net/mvneta/mvneta_ethdev.c
b/drivers/net/mvneta/mvneta_ethdev.c
index d004bfd..f7071bc 100644
--- a/drivers/net/mvneta/mvneta_ethdev.c
+++ b/drivers/net/mvneta/mvneta_ethdev.c
@@ -695,23 +695,48 @@ mvneta_stats_get(struct rte_eth_dev *dev, struct
rte_eth_stats *stats)
stats->ipackets += ppio_stats.rx_packets +
ppio_stats.rx_broadcast_packets +
- ppio_stats.rx_multicast_packets;
+ ppio_stats.rx_multicast_packets -
+ priv->prev_stats.ipackets;
stats->opackets += ppio_stats.tx_packets +
ppio_stats.tx_broadcast_packets +
- ppio_stats.tx_multicast_packets;
- stats->ibytes += ppio_stats.rx_bytes;
- stats->obytes += ppio_stats.tx_bytes;
+ ppio_stats.tx_multicast_packets -
+ priv->prev_stats.opackets;
+ stats->ibytes += ppio_stats.rx_bytes - priv->prev_stats.ibytes;
+ stats->obytes += ppio_stats.tx_bytes - priv->prev_stats.obytes;
stats->imissed += ppio_stats.rx_discard +
- ppio_stats.rx_overrun;
+ ppio_stats.rx_overrun -
+ priv->prev_stats.imissed;
stats->ierrors = ppio_stats.rx_packets_err +
ppio_stats.rx_errors +
- ppio_stats.rx_crc_error;
- stats->oerrors = ppio_stats.tx_errors;
+ ppio_stats.rx_crc_error -
+ priv->prev_stats.ierrors;
+ stats->oerrors = ppio_stats.tx_errors - priv->prev_stats.oerrors;
return 0;
}
+/**
+ * DPDK callback to clear device statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+static void
+mvneta_stats_reset(struct rte_eth_dev *dev)
+{
+ struct mvneta_priv *priv = dev->data->dev_private;
+ unsigned int ret;
+
+ if (!priv->ppio)
+ return;
+
+ ret = mvneta_stats_get(dev, &priv->prev_stats);
+ if (unlikely(ret))
+ RTE_LOG(ERR, PMD, "Failed to reset port statistics");
+}
+
+
static const struct eth_dev_ops mvneta_ops = {
.dev_configure = mvneta_dev_configure,
.dev_start = mvneta_dev_start,
@@ -727,6 +752,7 @@ static const struct eth_dev_ops mvneta_ops = {
.mac_addr_set = mvneta_mac_addr_set,
.mtu_set = mvneta_mtu_set,
.stats_get = mvneta_stats_get,
+ .stats_reset = mvneta_stats_reset,
.dev_infos_get = mvneta_dev_infos_get,
.dev_supported_ptypes_get = mvneta_dev_supported_ptypes_get,
.rxq_info_get = mvneta_rxq_info_get,
diff --git a/drivers/net/mvneta/mvneta_ethdev.h
b/drivers/net/mvneta/mvneta_ethdev.h
index 836a5e9..101b0a8 100644
--- a/drivers/net/mvneta/mvneta_ethdev.h
+++ b/drivers/net/mvneta/mvneta_ethdev.h
@@ -66,6 +66,7 @@ struct mvneta_priv {
struct neta_ppio_params ppio_params;
uint64_t rate_max;
+ struct rte_eth_stats prev_stats;
};
/** Current log type. */
--
2.7.4
