@@ -502,5 +502,30 @@ int ethtool_virtdev_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd,
u32 *dev_speed, u8 *dev_duplex);
+struct netlink_ext_ack;
+struct phy_device;
+struct phy_tdr_config;
+
+/**
+ * struct ethtool_phy_ops - Optional PHY device options
+ * @start_cable_test - Start a cable test
+ * @start_cable_test_tdr - Start a Time Domain Reflectometry cable test
+ *
+ * All operations are optional (i.e. the function pointer may be set to %NULL)
+ * and callers must take this into account. Callers must hold the RTNL lock.
+ */
+struct ethtool_phy_ops {
+ int (*start_cable_test)(struct phy_device *phydev,
+ struct netlink_ext_ack *extack);
+ int (*start_cable_test_tdr)(struct phy_device *phydev,
+ struct netlink_ext_ack *extack,
+ const struct phy_tdr_config *config);
+};
+
+/**
+ * ethtool_set_ethtool_phy_ops - Set the ethtool_phy_ops singleton
+ * @ops: Ethtool PHY operations to set
+ */
+void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops);
#endif /* _LINUX_ETHTOOL_H */
@@ -2,6 +2,7 @@
#include <linux/net_tstamp.h>
#include <linux/phy.h>
+#include <linux/rtnetlink.h>
#include "common.h"
@@ -373,3 +374,13 @@ int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
return 0;
}
+
+const struct ethtool_phy_ops *ethtool_phy_ops;
+
+void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
+{
+ rtnl_lock();
+ ethtool_phy_ops = ops;
+ rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
@@ -37,4 +37,6 @@ bool convert_legacy_settings_to_link_ksettings(
int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max);
int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info);
+extern const struct ethtool_phy_ops *ethtool_phy_ops;
+
#endif /* _ETHTOOL_COMMON_H */
In order to decouple ethtool from its PHY library dependency, define an ethtool_phy_ops singleton which can be overriden by the PHY library when it loads with an appropriate set of function pointers. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- include/linux/ethtool.h | 25 +++++++++++++++++++++++++ net/ethtool/common.c | 11 +++++++++++ net/ethtool/common.h | 2 ++ 3 files changed, 38 insertions(+)