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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Stubs for the Network PHY library
*/
#include <linux/rtnetlink.h>
struct kernel_hwtstamp_config;
struct netlink_ext_ack;
struct phy_device;
#if IS_ENABLED(CONFIG_PHYLIB)
extern const struct phylib_stubs *phylib_stubs;
struct phylib_stubs {
int (*hwtstamp_get)(struct phy_device *phydev,
struct kernel_hwtstamp_config *config);
int (*hwtstamp_set)(struct phy_device *phydev,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack);
};
static inline int phy_hwtstamp_get(struct phy_device *phydev,
struct kernel_hwtstamp_config *config)
{
/* phylib_register_stubs() and phylib_unregister_stubs()
* also run under rtnl_lock().
*/
ASSERT_RTNL();
if (!phylib_stubs)
return -EOPNOTSUPP;
return phylib_stubs->hwtstamp_get(phydev, config);
}
static inline int phy_hwtstamp_set(struct phy_device *phydev,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack)
{
/* phylib_register_stubs() and phylib_unregister_stubs()
* also run under rtnl_lock().
*/
ASSERT_RTNL();
if (!phylib_stubs)
return -EOPNOTSUPP;
return phylib_stubs->hwtstamp_set(phydev, config, extack);
}
#else
static inline int phy_hwtstamp_get(struct phy_device *phydev,
struct kernel_hwtstamp_config *config)
{
return -EOPNOTSUPP;
}
static inline int phy_hwtstamp_set(struct phy_device *phydev,
struct kernel_hwtstamp_config *config,
struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
#endif
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