linux-kernel - [PATCH net-next 1/2] net: phy: Define PHY statistics ethtool_phy

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Date:   Wed,  8 Jul 2020 09:46:24 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michal Kubecek <mkubecek@...e.cz>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next 1/2] net: phy: Define PHY statistics ethtool_phy_ops

Extend ethtool_phy_ops to include the 3 function pointers necessary for
implementing PHY statistics. In a subsequent change we will uninline
those functions.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/phy/phy_device.c | 3 +++
 include/linux/ethtool.h      | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 233334406f0f..7cda95330aea 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -3028,6 +3028,9 @@ static struct phy_driver genphy_driver = {
 };
 
 static const struct ethtool_phy_ops phy_ethtool_phy_ops = {
+	.get_sset_count		= phy_ethtool_get_sset_count,
+	.get_strings		= phy_ethtool_get_strings,
+	.get_stats		= phy_ethtool_get_stats,
 	.start_cable_test	= phy_start_cable_test,
 	.start_cable_test_tdr	= phy_start_cable_test_tdr,
 };
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 0c139a93b67a..969a80211df6 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -508,6 +508,9 @@ struct phy_tdr_config;
 
 /**
  * struct ethtool_phy_ops - Optional PHY device options
+ * @get_sset_count: Get number of strings that @get_strings will write.
+ * @get_strings: Return a set of strings that describe the requested objects
+ * @get_stats: Return extended statistics about the PHY device.
  * @start_cable_test - Start a cable test
  * @start_cable_test_tdr - Start a Time Domain Reflectometry cable test
  *
@@ -515,6 +518,10 @@ struct phy_tdr_config;
  * and callers must take this into account. Callers must hold the RTNL lock.
  */
 struct ethtool_phy_ops {
+	int (*get_sset_count)(struct phy_device *dev);
+	int (*get_strings)(struct phy_device *dev, u8 *data);
+	int (*get_stats)(struct phy_device *dev,
+			 struct ethtool_stats *stats, u64 *data);
 	int (*start_cable_test)(struct phy_device *phydev,
 				struct netlink_ext_ack *extack);
 	int (*start_cable_test_tdr)(struct phy_device *phydev,
-- 
2.25.1