openwrt/target/linux/layerscape/patches-5.4/701-net-0235-enetc-Clean-up-of-ehtool-stats-len.patch

From a5e4a018cf5c7ed9709141c41ba7b262aa79870d Mon Sep 17 00:00:00 2001
From: Claudiu Manoil <claudiu.manoil@nxp.com>
Date: Tue, 22 Oct 2019 20:23:38 +0300
Subject: [PATCH] enetc: Clean up of ehtool stats len

Just refactoring stats len code to make it easier to
add new stats counters.

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
---
 drivers/net/ethernet/freescale/enetc/enetc_ethtool.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

--- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
@@ -195,15 +195,21 @@ static const char tx_ring_stats[][ETH_GS
 static int enetc_get_sset_count(struct net_device *ndev, int sset)
 {
 	struct enetc_ndev_priv *priv = netdev_priv(ndev);
+	int len;
 
-	if (sset == ETH_SS_STATS)
-		return ARRAY_SIZE(enetc_si_counters) +
-			ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
-			ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings +
-			(enetc_si_is_pf(priv->si) ?
-			ARRAY_SIZE(enetc_port_counters) : 0);
+	if (sset != ETH_SS_STATS)
+		return -EOPNOTSUPP;
 
-	return -EOPNOTSUPP;
+	len = ARRAY_SIZE(enetc_si_counters) +
+	      ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
+	      ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings;
+
+	if (!enetc_si_is_pf(priv->si))
+		return len;
+
+	len += ARRAY_SIZE(enetc_port_counters);
+
+	return len;
 }
 
 static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)