From 3378383dceab2ac8048aa1c52682a3da8a19f651 Mon Sep 17 00:00:00 2001 From: Natalie Samsonov Date: Wed, 3 Oct 2018 09:22:16 +0200 Subject: [PATCH] net/mvneta: support statistics reset Add support for resetting of driver statistics. Signed-off-by: Natalie Samsonov Reviewed-by: Ferruh Yigit --- 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 d004bfd01b..f7071bc2e5 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 836a5e9310..101b0a8176 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. */ -- 2.20.1