/* 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