The old ethtool api (get_setting and set_setting) has
generic phy functions phy_ethtool_sset and phy_ethtool_gset.
To supprt the new ethtool api (get_link_ksettings and
set_link_ksettings), we add generic phy function
phy_ethtool_ksettings_get and phy_ethtool_ksettings_set.

Signed-off-by: Philippe Reynes <trem...@gmail.com>
---
 drivers/net/phy/phy.c |   81 +++++++++++++++++++++++++++++++++++++++++++++++++
 include/linux/phy.h   |    4 ++
 2 files changed, 85 insertions(+), 0 deletions(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 5590b9c..6f221c8 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -362,6 +362,60 @@ int phy_ethtool_sset(struct phy_device *phydev, struct 
ethtool_cmd *cmd)
 }
 EXPORT_SYMBOL(phy_ethtool_sset);
 
+int phy_ethtool_ksettings_set(struct phy_device *phydev,
+                             const struct ethtool_link_ksettings *cmd)
+{
+       u8 autoneg = cmd->base.autoneg;
+       u8 duplex = cmd->base.duplex;
+       u32 speed = cmd->base.speed;
+       u32 advertising;
+
+       if (cmd->base.phy_address != phydev->mdio.addr)
+               return -EINVAL;
+
+       ethtool_convert_link_mode_to_legacy_u32(&advertising,
+                                               cmd->link_modes.advertising);
+
+       /* We make sure that we don't pass unsupported values in to the PHY */
+       advertising &= phydev->supported;
+
+       /* Verify the settings we care about. */
+       if (autoneg != AUTONEG_ENABLE && autoneg != AUTONEG_DISABLE)
+               return -EINVAL;
+
+       if (autoneg == AUTONEG_ENABLE && advertising == 0)
+               return -EINVAL;
+
+       if (autoneg == AUTONEG_DISABLE &&
+           ((speed != SPEED_1000 &&
+             speed != SPEED_100 &&
+             speed != SPEED_10) ||
+            (duplex != DUPLEX_HALF &&
+             duplex != DUPLEX_FULL)))
+               return -EINVAL;
+
+       phydev->autoneg = autoneg;
+
+       phydev->speed = speed;
+
+       phydev->advertising = advertising;
+
+       if (autoneg == AUTONEG_ENABLE)
+               phydev->advertising |= ADVERTISED_Autoneg;
+       else
+               phydev->advertising &= ~ADVERTISED_Autoneg;
+
+       phydev->duplex = duplex;
+
+       phydev->mdix = cmd->base.eth_tp_mdix_ctrl;
+
+       /* Restart the PHY */
+       phy_start_aneg(phydev);
+
+       return 0;
+}
+EXPORT_SYMBOL(phy_ethtool_ksettings_set);
+
 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd)
 {
        cmd->supported = phydev->supported;
@@ -385,6 +439,33 @@ int phy_ethtool_gset(struct phy_device *phydev, struct 
ethtool_cmd *cmd)
 }
 EXPORT_SYMBOL(phy_ethtool_gset);
 
+int phy_ethtool_ksettings_get(struct phy_device *phydev,
+                             struct ethtool_link_ksettings *cmd)
+{
+       ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
+                                               phydev->supported);
+
+       ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
+                                               phydev->advertising);
+
+       ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
+                                               phydev->lp_advertising);
+
+       cmd->base.speed = phydev->speed;
+       cmd->base.duplex = phydev->duplex;
+       if (phydev->interface == PHY_INTERFACE_MODE_MOCA)
+               cmd->base.port = PORT_BNC;
+       else
+               cmd->base.port = PORT_MII;
+
+       cmd->base.phy_address = phydev->mdio.addr;
+       cmd->base.autoneg = phydev->autoneg;
+       cmd->base.eth_tp_mdix_ctrl = phydev->mdix;
+
+       return 0;
+}
+EXPORT_SYMBOL(phy_ethtool_ksettings_get);
+
 /**
  * phy_mii_ioctl - generic PHY MII ioctl interface
  * @phydev: the phy_device struct
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 2abd791..be3f83b 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -805,6 +805,10 @@ void phy_start_machine(struct phy_device *phydev);
 void phy_stop_machine(struct phy_device *phydev);
 int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
 int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd);
+int phy_ethtool_ksettings_get(struct phy_device *phydev,
+                             struct ethtool_link_ksettings *cmd);
+int phy_ethtool_ksettings_set(struct phy_device *phydev,
+                             const struct ethtool_link_ksettings *cmd);
 int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
 int phy_start_interrupts(struct phy_device *phydev);
 void phy_print_status(struct phy_device *phydev);
-- 
1.7.4.4

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