linux-kernel - [PATCH 16/20] dpaa_eth: add dropped frames to percpu ethtool stats

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Message-Id: <1570536641-25104-17-git-send-email-madalin.bucur@nxp.com>
Date:   Tue,  8 Oct 2019 15:10:37 +0300
From:   Madalin Bucur <madalin.bucur@....com>
To:     davem@...emloft.net, netdev@...r.kernel.org
Cc:     roy.pledge@....com, laurentiu.tudor@....com,
        linux-kernel@...r.kernel.org, Madalin Bucur <madalin.bucur@....com>
Subject: [PATCH 16/20] dpaa_eth: add dropped frames to percpu ethtool stats

Prior to this change, the frames dropped on receive or transmit
were not displayed in the ethtool statistics, leaving the dropped
frames unaccounted for.

Signed-off-by: Madalin Bucur <madalin.bucur@....com>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index bc6ed1df53ca..1c689e11c61f 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -47,6 +47,8 @@ static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = {
 	"tx S/G",
 	"tx error",
 	"rx error",
+	"rx dropped",
+	"tx dropped",
 };
 
 static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
@@ -262,6 +264,12 @@ static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
 	data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
 	data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
 
+	data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_dropped;
+	data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_dropped;
+
+	data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_dropped;
+	data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_dropped;
+
 	data[crr * num_values + crr_cpu] = bp_count;
 	data[crr++ * num_values + num_cpus] += bp_count;
 }
-- 
2.1.0