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net: ethtool: Introduce ethtool_phy_ops

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2020-07-05 21:27:56 -07:00
committed by David S. Miller
parent 1a4d681634
commit 4895d7808e
3 changed files with 38 additions and 0 deletions
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25
include/linux/ethtool.h
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@@ -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 */