diff options
Diffstat (limited to 'include/linux/phy.h')
| -rw-r--r-- | include/linux/phy.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index bae7be7b44a1..12957e239916 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -795,6 +795,24 @@ struct phy_tdr_config { #define PHY_PAIR_ALL -1 /** + * enum link_inband_signalling - inband signalling modes that are supported + * + * @LINK_INBAND_VALID: inband signalling report is valid + * @LINK_INBAND_POSSIBLE: inband signalling can be used + * @LINK_INBAND_REQUIRED: inband signalling is required + * + * The possible and required bits can only be used if the valid bit is set. + * If possible is clear, that means inband signalling can not be used. + * Required is only valid when possible is set, and means that inband + * signalling must be used. + */ +enum link_inband_signalling { + LINK_INBAND_VALID = BIT(0), + LINK_INBAND_POSSIBLE = BIT(1), + LINK_INBAND_REQUIRED = BIT(2), +}; + +/** * struct phy_plca_cfg - Configuration of the PLCA (Physical Layer Collision * Avoidance) Reconciliation Sublayer. * @@ -924,6 +942,14 @@ struct phy_driver { int (*get_features)(struct phy_device *phydev); /** + * @query_inband: query whether inband is supported for the given PHY + * interface mode. Returns a bitmask of bits defined by enum + * link_inband_signalling. + */ + unsigned int (*query_inband)(struct phy_device *phydev, + phy_interface_t interface); + + /** * @get_rate_matching: Get the supported type of rate matching for a * particular phy interface. This is used by phy consumers to determine * whether to advertise lower-speed modes for that interface. It is @@ -1741,6 +1767,8 @@ int phy_config_aneg(struct phy_device *phydev); int _phy_start_aneg(struct phy_device *phydev); int phy_start_aneg(struct phy_device *phydev); int phy_aneg_done(struct phy_device *phydev); +unsigned int phy_query_inband(struct phy_device *phydev, + phy_interface_t interface); int phy_speed_down(struct phy_device *phydev, bool sync); int phy_speed_up(struct phy_device *phydev); bool phy_check_valid(int speed, int duplex, unsigned long *features); |