netdev - [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable

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Message-Id: <20200325101736.2100-1-marex@denx.de>
Date:   Wed, 25 Mar 2020 11:17:35 +0100
From:   Marek Vasut <marex@...x.de>
To:     netdev@...r.kernel.org
Cc:     o.rempel@...gutronix.de, Marek Vasut <marex@...x.de>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jean Delvare <jdelvare@...e.com>
Subject: [RFC][PATCH 1/2] ethtool: Add BroadRReach Master/Slave PHY tunable

Add a PHY tunable to select BroadRReach PHY Master/Slave mode.

Signed-off-by: Marek Vasut <marex@...x.de>
Cc: Andrew Lunn <andrew@...n.ch>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Heiner Kallweit <hkallweit1@...il.com>
Cc: Jean Delvare <jdelvare@...e.com>
Cc: netdev@...r.kernel.org
---
 include/uapi/linux/ethtool.h | 1 +
 net/core/ethtool.c           | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index dc69391d2bba..ebe658804ef1 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -259,6 +259,7 @@ struct ethtool_tunable {
 enum phy_tunable_id {
 	ETHTOOL_PHY_ID_UNSPEC,
 	ETHTOOL_PHY_DOWNSHIFT,
+	ETHTOOL_PHY_BRR_MODE,
 	/*
 	 * Add your fresh new phy tunable attribute above and remember to update
 	 * phy_tunable_strings[] in net/core/ethtool.c
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 09d828a6a173..553f3d0e2624 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -133,6 +133,7 @@ static const char
 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
 	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",
+	[ETHTOOL_PHY_BRR_MODE]	= "phy-broadrreach-mode",
 };
 
 static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
@@ -2524,6 +2525,7 @@ static int ethtool_phy_tunable_valid(const struct ethtool_tunable *tuna)
 {
 	switch (tuna->id) {
 	case ETHTOOL_PHY_DOWNSHIFT:
+	case ETHTOOL_PHY_BRR_MODE:
 		if (tuna->len != sizeof(u8) ||
 		    tuna->type_id != ETHTOOL_TUNABLE_U8)
 			return -EINVAL;
-- 
2.25.1