diff options
Diffstat (limited to 'include/linux/phylink.h')
| -rw-r--r-- | include/linux/phylink.h | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/include/linux/phylink.h b/include/linux/phylink.h index d589f89c612c..40324cdb4353 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -5,6 +5,8 @@ #include <linux/spinlock.h> #include <linux/workqueue.h> +#include <net/eee.h> + struct device_node; struct ethtool_cmd; struct fwnode_handle; @@ -93,11 +95,26 @@ enum { MAC_400000FD = BIT(18), }; -static inline bool phylink_autoneg_inband(unsigned int mode) +static inline bool phylink_mode_inband(unsigned int mode) { return mode == MLO_AN_INBAND; } +static inline bool phylink_mode_fixed(unsigned int mode) +{ + return mode == MLO_AN_FIXED; +} + +static inline bool phylink_mode_phy(unsigned int mode) +{ + return mode == MLO_AN_PHY; +} + +static inline bool phylink_autoneg_inband(unsigned int mode) +{ + return phylink_mode_inband(mode); +} + /** * struct phylink_link_state - link state structure * @advertising: ethtool bitmask containing advertised link modes @@ -139,11 +156,15 @@ enum phylink_op_type { * if MAC link is at %MLO_AN_FIXED mode. * @mac_managed_pm: if true, indicate the MAC driver is responsible for PHY PM. * @ovr_an_inband: if true, override PCS to MLO_AN_INBAND + * @eee_clk_stop_enable: if true, PHY can stop the receive clock during LPI * @get_fixed_state: callback to execute to determine the fixed link state, * if MAC link is at %MLO_AN_FIXED mode. * @supported_interfaces: bitmap describing which PHY_INTERFACE_MODE_xxx * are supported by the MAC/PCS. * @mac_capabilities: MAC pause/speed/duplex capabilities. + * @lpi_capabilities: MAC speeds which can support LPI signalling + * @eee: default EEE configuration. + * @lpi_timer_limit_us: Maximum (inclusive) value of the EEE LPI timer. */ struct phylink_config { struct device *dev; @@ -151,10 +172,14 @@ struct phylink_config { bool poll_fixed_state; bool mac_managed_pm; bool ovr_an_inband; + bool eee_clk_stop_enable; void (*get_fixed_state)(struct phylink_config *config, struct phylink_link_state *state); DECLARE_PHY_INTERFACE_MASK(supported_interfaces); unsigned long mac_capabilities; + unsigned long lpi_capabilities; + struct eee_config eee; + u32 lpi_timer_limit_us; }; void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed); @@ -168,6 +193,8 @@ void phylink_limit_mac_speed(struct phylink_config *config, u32 max_speed); * @mac_finish: finish a major reconfiguration of the interface. * @mac_link_down: take the link down. * @mac_link_up: allow the link to come up. + * @mac_disable_tx_lpi: disable LPI. + * @mac_enable_tx_lpi: enable and configure LPI. * * The individual methods are described more fully below. */ @@ -188,6 +215,8 @@ struct phylink_mac_ops { struct phy_device *phy, unsigned int mode, phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause); + void (*mac_disable_tx_lpi)(struct phylink_config *config); + void (*mac_enable_tx_lpi)(struct phylink_config *config, u32 timer); }; #if 0 /* For kernel-doc purposes only. */ @@ -382,6 +411,28 @@ void mac_link_down(struct phylink_config *config, unsigned int mode, void mac_link_up(struct phylink_config *config, struct phy_device *phy, unsigned int mode, phy_interface_t interface, int speed, int duplex, bool tx_pause, bool rx_pause); + +/** + * mac_disable_tx_lpi() - disable LPI generation at the MAC + * @config: a pointer to a &struct phylink_config. + * + * Disable generation of LPI at the MAC, effectively preventing the MAC + * from indicating that it is idle. + */ +void mac_disable_tx_lpi(struct phylink_config *config); + +/** + * mac_enable_tx_lpi() - configure and enable LPI generation at the MAC + * @config: a pointer to a &struct phylink_config. + * @timer: LPI timeout in microseconds. + * + * Configure the LPI timeout accordingly. This will only be called when + * the link is already up, to cater for situations where the hardware + * needs to be programmed according to the link speed. + * + * Enable LPI generation at the MAC. + */ +void mac_enable_tx_lpi(struct phylink_config *config, u32 timer); #endif struct phylink_pcs_ops; @@ -409,6 +460,7 @@ struct phylink_pcs { /** * struct phylink_pcs_ops - MAC PCS operations structure. * @pcs_validate: validate the link configuration. + * @pcs_query_inband: query inband support for interface mode. * @pcs_enable: enable the PCS. * @pcs_disable: disable the PCS. * @pcs_pre_config: pre-mac_config method (for errata) @@ -422,6 +474,8 @@ struct phylink_pcs { struct phylink_pcs_ops { int (*pcs_validate)(struct phylink_pcs *pcs, unsigned long *supported, const struct phylink_link_state *state); + unsigned int (*pcs_query_inband)(struct phylink_pcs *pcs, + phy_interface_t interface); int (*pcs_enable)(struct phylink_pcs *pcs); void (*pcs_disable)(struct phylink_pcs *pcs); void (*pcs_pre_config)(struct phylink_pcs *pcs, @@ -458,6 +512,20 @@ int pcs_validate(struct phylink_pcs *pcs, unsigned long *supported, const struct phylink_link_state *state); /** + * pcs_query_inband - query inband support for interface mode. + * @pcs: a pointer to a &struct phylink_pcs. + * @interface: interface mode to be queried + * + * Returns zero if it is unknown what in-band signalling is supported by the + * PHY (e.g. because the PHY driver doesn't implement the method.) Otherwise, + * returns a bit mask of the LINK_INBAND_* values from + * &enum link_inband_signalling to describe which inband modes are supported + * for this interface mode. + */ +unsigned int pcs_query_inband(struct phylink_pcs *pcs, + phy_interface_t interface); + +/** * pcs_enable() - enable the PCS. * @pcs: a pointer to a &struct phylink_pcs. */ |