netdev - [PATCH net-next 8/8] dpaa2-switch: export MAC statistics in ethtool

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Message-Id: <20210803165745.138175-9-ciorneiioana@gmail.com>
Date:   Tue,  3 Aug 2021 19:57:45 +0300
From:   Ioana Ciornei <ciorneiioana@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     laurentiu.tudor@....com, Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH net-next 8/8] dpaa2-switch: export MAC statistics in ethtool

From: Ioana Ciornei <ioana.ciornei@....com>

If a switch port is connected to a MAC, use the common dpaa2-mac support
for exporting the available MAC statistics.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 .../freescale/dpaa2/dpaa2-switch-ethtool.c    | 24 +++++++++++++++----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c
index 20912fb67b9e..720c9230cab5 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-ethtool.c
@@ -142,11 +142,17 @@ dpaa2_switch_set_link_ksettings(struct net_device *netdev,
 	return err;
 }
 
-static int dpaa2_switch_ethtool_get_sset_count(struct net_device *dev, int sset)
+static int
+dpaa2_switch_ethtool_get_sset_count(struct net_device *netdev, int sset)
 {
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	int num_ss_stats = DPAA2_SWITCH_NUM_COUNTERS;
+
 	switch (sset) {
 	case ETH_SS_STATS:
-		return DPAA2_SWITCH_NUM_COUNTERS;
+		if (port_priv->mac)
+			num_ss_stats += dpaa2_mac_get_sset_count();
+		return num_ss_stats;
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -155,14 +161,19 @@ static int dpaa2_switch_ethtool_get_sset_count(struct net_device *dev, int sset)
 static void dpaa2_switch_ethtool_get_strings(struct net_device *netdev,
 					     u32 stringset, u8 *data)
 {
+	struct ethsw_port_priv *port_priv = netdev_priv(netdev);
+	u8 *p = data;
 	int i;
 
 	switch (stringset) {
 	case ETH_SS_STATS:
-		for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++)
-			memcpy(data + i * ETH_GSTRING_LEN,
-			       dpaa2_switch_ethtool_counters[i].name,
+		for (i = 0; i < DPAA2_SWITCH_NUM_COUNTERS; i++) {
+			memcpy(p, dpaa2_switch_ethtool_counters[i].name,
 			       ETH_GSTRING_LEN);
+			p += ETH_GSTRING_LEN;
+		}
+		if (port_priv->mac)
+			dpaa2_mac_get_strings(p);
 		break;
 	}
 }
@@ -184,6 +195,9 @@ static void dpaa2_switch_ethtool_get_stats(struct net_device *netdev,
 			netdev_err(netdev, "dpsw_if_get_counter[%s] err %d\n",
 				   dpaa2_switch_ethtool_counters[i].name, err);
 	}
+
+	if (port_priv->mac)
+		dpaa2_mac_get_ethtool_stats(port_priv->mac, data + i);
 }
 
 const struct ethtool_ops dpaa2_switch_port_ethtool_ops = {
-- 
2.31.1