netdev - [PATCH net-next v2 1/5] ethtool: (uapi) Add ETHTOOL_PHY_GTUNABLE and ETHTOOL_PHY

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Date:   Mon, 14 Nov 2016 10:29:16 +0100
From:   "Allan W. Nielsen" <allan.nielsen@...rosemi.com>
To:     <netdev@...r.kernel.org>
CC:     <andrew@...n.ch>, <raju.lakkaraju@...rosemi.com>,
        <allan.nielsen@...rosemi.com>,
        Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>
Subject: [PATCH net-next v2 1/5] ethtool: (uapi) Add ETHTOOL_PHY_GTUNABLE and ETHTOOL_PHY_STUNABLE

From: Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>

Defines a generic API to get/set phy tunables. The API is using the
existing ethtool_tunable/tunable_type_id types which is already being used
for mac level tunables.

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>
---
 include/uapi/linux/ethtool.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 8e54723..42f696f 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -248,6 +248,16 @@ struct ethtool_tunable {
 	void	*data[0];
 };
 
+enum phy_tunable_id {
+	ETHTOOL_PHY_ID_UNSPEC,
+
+	/*
+	 * Add your fresh new phy tunable attribute above and remember to update
+	 * phy_tunable_strings[] in net/core/ethtool.c
+	 */
+	__ETHTOOL_PHY_TUNABLE_COUNT,
+};
+
 /**
  * struct ethtool_regs - hardware register dump
  * @cmd: Command number = %ETHTOOL_GREGS
@@ -548,6 +558,7 @@ struct ethtool_pauseparam {
  * @ETH_SS_FEATURES: Device feature names
  * @ETH_SS_RSS_HASH_FUNCS: RSS hush function names
  * @ETH_SS_PHY_STATS: Statistic names, for use with %ETHTOOL_GPHYSTATS
+ * @ETH_SS_PHY_TUNABLES: PHY tunable names
  */
 enum ethtool_stringset {
 	ETH_SS_TEST		= 0,
@@ -558,6 +569,7 @@ enum ethtool_stringset {
 	ETH_SS_RSS_HASH_FUNCS,
 	ETH_SS_TUNABLES,
 	ETH_SS_PHY_STATS,
+	ETH_SS_PHY_TUNABLES,
 };
 
 /**
@@ -1313,7 +1325,8 @@ struct ethtool_per_queue_op {
 
 #define ETHTOOL_GLINKSETTINGS	0x0000004c /* Get ethtool_link_settings */
 #define ETHTOOL_SLINKSETTINGS	0x0000004d /* Set ethtool_link_settings */
-
+#define ETHTOOL_PHY_GTUNABLE	0x0000004e /* Get PHY tunable configuration */
+#define ETHTOOL_PHY_STUNABLE	0x0000004f /* Set PHY tunable configuration */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET		ETHTOOL_GSET
-- 
2.7.3