/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Framework and drivers for configuring and reading different PHYs * Based on code in sungem_phy.c and (long-removed) gianfar_phy.c * * Author: Andy Fleming * * Copyright (c) 2004 Freescale Semiconductor, Inc.
*/
/* * Set phydev->irq to PHY_POLL if interrupts are not supported, * or not desired for this PHY. Set to PHY_MAC_INTERRUPT if * the attached MAC driver handles the interrupt
*/ #define PHY_POLL -1 #define PHY_MAC_INTERRUPT -2
/** * phy_modes - map phy_interface_t enum to device tree binding of phy-mode * @interface: enum phy_interface_t value * * Description: maps enum &phy_interface_t defined in this file * into the device tree binding of 'phy-mode', so that Ethernet * device driver can get PHY interface from device tree.
*/ staticinlineconstchar *phy_modes(phy_interface_t interface)
{ switch (interface) { case PHY_INTERFACE_MODE_NA: return""; case PHY_INTERFACE_MODE_INTERNAL: return"internal"; case PHY_INTERFACE_MODE_MII: return"mii"; case PHY_INTERFACE_MODE_GMII: return"gmii"; case PHY_INTERFACE_MODE_SGMII: return"sgmii"; case PHY_INTERFACE_MODE_TBI: return"tbi"; case PHY_INTERFACE_MODE_REVMII: return"rev-mii"; case PHY_INTERFACE_MODE_RMII: return"rmii"; case PHY_INTERFACE_MODE_REVRMII: return"rev-rmii"; case PHY_INTERFACE_MODE_RGMII: return"rgmii"; case PHY_INTERFACE_MODE_RGMII_ID: return"rgmii-id"; case PHY_INTERFACE_MODE_RGMII_RXID: return"rgmii-rxid"; case PHY_INTERFACE_MODE_RGMII_TXID: return"rgmii-txid"; case PHY_INTERFACE_MODE_RTBI: return"rtbi"; case PHY_INTERFACE_MODE_SMII: return"smii"; case PHY_INTERFACE_MODE_XGMII: return"xgmii"; case PHY_INTERFACE_MODE_XLGMII: return"xlgmii"; case PHY_INTERFACE_MODE_MOCA: return"moca"; case PHY_INTERFACE_MODE_PSGMII: return"psgmii"; case PHY_INTERFACE_MODE_QSGMII: return"qsgmii"; case PHY_INTERFACE_MODE_TRGMII: return"trgmii"; case PHY_INTERFACE_MODE_1000BASEX: return"1000base-x"; case PHY_INTERFACE_MODE_1000BASEKX: return"1000base-kx"; case PHY_INTERFACE_MODE_2500BASEX: return"2500base-x"; case PHY_INTERFACE_MODE_5GBASER: return"5gbase-r"; case PHY_INTERFACE_MODE_RXAUI: return"rxaui"; case PHY_INTERFACE_MODE_XAUI: return"xaui"; case PHY_INTERFACE_MODE_10GBASER: return"10gbase-r"; case PHY_INTERFACE_MODE_25GBASER: return"25gbase-r"; case PHY_INTERFACE_MODE_USXGMII: return"usxgmii"; case PHY_INTERFACE_MODE_10GKR: return"10gbase-kr"; case PHY_INTERFACE_MODE_100BASEX: return"100base-x"; case PHY_INTERFACE_MODE_QUSGMII: return"qusgmii"; case PHY_INTERFACE_MODE_10G_QXGMII: return"10g-qxgmii"; case PHY_INTERFACE_MODE_50GBASER: return"50gbase-r"; case PHY_INTERFACE_MODE_LAUI: return"laui"; case PHY_INTERFACE_MODE_100GBASEP: return"100gbase-p"; case PHY_INTERFACE_MODE_MIILITE: return"mii-lite"; default: return"unknown";
}
}
/** * rgmii_clock - map link speed to the clock rate * @speed: link speed value * * Description: maps RGMII supported link speeds into the clock rates. * This can also be used for MII, GMII, and RMII interface modes as the * clock rates are indentical, but the caller must be aware that errors * for unsupported clock rates will not be signalled. * * Returns: clock rate or negative errno
*/ staticinlinelong rgmii_clock(int speed)
{ switch (speed) { case SPEED_10: return 2500000; case SPEED_100: return 25000000; case SPEED_1000: return 125000000; default: return -EINVAL;
}
}
#define PHY_MAX_ADDR 32
/* Used when trying to connect to a specific phy (mii bus id:phy device id) */ #define PHY_ID_FMT "%s:%02x" #define PHY_ID_SIZE (MII_BUS_ID_SIZE + 3)
/** * struct mdio_bus_stats - Statistics counters for MDIO busses * @transfers: Total number of transfers, i.e. @writes + @reads * @errors: Number of MDIO transfers that returned an error * @writes: Number of write transfers * @reads: Number of read transfers * @syncp: Synchronisation for incrementing statistics
*/ struct mdio_bus_stats {
u64_stats_t transfers;
u64_stats_t errors;
u64_stats_t writes;
u64_stats_t reads; /* Must be last, add new statistics above */ struct u64_stats_sync syncp;
};
/** * struct mii_bus - Represents an MDIO bus * * @owner: Who owns this device * @name: User friendly name for this MDIO device, or driver name * @id: Unique identifier for this bus, typical from bus hierarchy * @priv: Driver private data * * The Bus class for PHYs. Devices which provide access to * PHYs should register using this structure
*/ struct mii_bus { struct module *owner; constchar *name; char id[MII_BUS_ID_SIZE]; void *priv; /** @read: Perform a read transfer on the bus */ int (*read)(struct mii_bus *bus, int addr, int regnum); /** @write: Perform a write transfer on the bus */ int (*write)(struct mii_bus *bus, int addr, int regnum, u16 val); /** @read_c45: Perform a C45 read transfer on the bus */ int (*read_c45)(struct mii_bus *bus, int addr, int devnum, int regnum); /** @write_c45: Perform a C45 write transfer on the bus */ int (*write_c45)(struct mii_bus *bus, int addr, int devnum, int regnum, u16 val); /** @reset: Perform a reset of the bus */ int (*reset)(struct mii_bus *bus);
/** @stats: Statistic counters per device on the bus */ struct mdio_bus_stats stats[PHY_MAX_ADDR];
/** * @mdio_lock: A lock to ensure that only one thing can read/write * the MDIO bus at a time
*/ struct mutex mdio_lock;
/** @parent: Parent device of this bus */ struct device *parent; /** @state: State of bus structure */ enum {
MDIOBUS_ALLOCATED = 1,
MDIOBUS_REGISTERED,
MDIOBUS_UNREGISTERED,
MDIOBUS_RELEASED,
} state;
/** @mdio_map: list of all MDIO devices on bus */ struct mdio_device *mdio_map[PHY_MAX_ADDR];
/** @phy_mask: PHY addresses to be ignored when probing */
u32 phy_mask;
/** @phy_ignore_ta_mask: PHY addresses to ignore the TA/read failure */
u32 phy_ignore_ta_mask;
/** * @irq: An array of interrupts, each PHY's interrupt at the index * matching its address
*/ int irq[PHY_MAX_ADDR];
/** @reset_delay_us: GPIO reset pulse width in microseconds */ int reset_delay_us; /** @reset_post_delay_us: GPIO reset deassert delay in microseconds */ int reset_post_delay_us; /** @reset_gpiod: Reset GPIO descriptor pointer */ struct gpio_desc *reset_gpiod;
/** @shared_lock: protect access to the shared element */ struct mutex shared_lock;
#if IS_ENABLED(CONFIG_PHY_PACKAGE) /** @shared: shared state across different PHYs */ struct phy_package_shared *shared[PHY_MAX_ADDR]; #endif
}; #define to_mii_bus(d) container_of(d, struct mii_bus, dev)
struct mii_bus *mdiobus_alloc_size(size_t size);
/** * mdiobus_alloc - Allocate an MDIO bus structure * * The internal state of the MDIO bus will be set of MDIOBUS_ALLOCATED ready * for the driver to register the bus.
*/ staticinlinestruct mii_bus *mdiobus_alloc(void)
{ return mdiobus_alloc_size(0);
}
/** * enum phy_state - PHY state machine states: * * @PHY_DOWN: PHY device and driver are not ready for anything. probe * should be called if and only if the PHY is in this state, * given that the PHY device exists. * - PHY driver probe function will set the state to @PHY_READY * * @PHY_READY: PHY is ready to send and receive packets, but the * controller is not. By default, PHYs which do not implement * probe will be set to this state by phy_probe(). * - start will set the state to UP * * @PHY_UP: The PHY and attached device are ready to do work. * Interrupts should be started here. * - timer moves to @PHY_NOLINK or @PHY_RUNNING * * @PHY_NOLINK: PHY is up, but not currently plugged in. * - irq or timer will set @PHY_RUNNING if link comes back * - phy_stop moves to @PHY_HALTED * * @PHY_RUNNING: PHY is currently up, running, and possibly sending * and/or receiving packets * - irq or timer will set @PHY_NOLINK if link goes down * - phy_stop moves to @PHY_HALTED * * @PHY_CABLETEST: PHY is performing a cable test. Packet reception/sending * is not expected to work, carrier will be indicated as down. PHY will be * poll once per second, or on interrupt for it current state. * Once complete, move to UP to restart the PHY. * - phy_stop aborts the running test and moves to @PHY_HALTED * * @PHY_HALTED: PHY is up, but no polling or interrupts are done. * - phy_start moves to @PHY_UP * * @PHY_ERROR: PHY is up, but is in an error state. * - phy_stop moves to @PHY_HALTED
*/ enum phy_state {
PHY_DOWN = 0,
PHY_READY,
PHY_HALTED,
PHY_ERROR,
PHY_UP,
PHY_RUNNING,
PHY_NOLINK,
PHY_CABLETEST,
};
#define MDIO_MMD_NUM 32
/** * struct phy_c45_device_ids - 802.3-c45 Device Identifiers * @devices_in_package: IEEE 802.3 devices in package register value. * @mmds_present: bit vector of MMDs present. * @device_ids: The device identifer for each present device.
*/ struct phy_c45_device_ids {
u32 devices_in_package;
u32 mmds_present;
u32 device_ids[MDIO_MMD_NUM];
};
struct macsec_context; struct macsec_ops;
/** * struct phy_device - An instance of a PHY * * @mdio: MDIO bus this PHY is on * @drv: Pointer to the driver for this PHY instance * @devlink: Create a link between phy dev and mac dev, if the external phy * used by current mac interface is managed by another mac interface. * @phyindex: Unique id across the phy's parent tree of phys to address the PHY * from userspace, similar to ifindex. A zero index means the PHY * wasn't assigned an id yet. * @phy_id: UID for this device found during discovery * @c45_ids: 802.3-c45 Device Identifiers if is_c45. * @is_c45: Set to true if this PHY uses clause 45 addressing. * @is_internal: Set to true if this PHY is internal to a MAC. * @is_pseudo_fixed_link: Set to true if this PHY is an Ethernet switch, etc. * @is_gigabit_capable: Set to true if PHY supports 1000Mbps * @has_fixups: Set to true if this PHY has fixups/quirks. * @suspended: Set to true if this PHY has been suspended successfully. * @suspended_by_mdio_bus: Set to true if this PHY was suspended by MDIO bus. * @sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal. * @loopback_enabled: Set true if this PHY has been loopbacked successfully. * @downshifted_rate: Set true if link speed has been downshifted. * @is_on_sfp_module: Set true if PHY is located on an SFP module. * @mac_managed_pm: Set true if MAC driver takes of suspending/resuming PHY * @wol_enabled: Set to true if the PHY or the attached MAC have Wake-on-LAN * enabled. * @is_genphy_driven: PHY is driven by one of the generic PHY drivers * @state: State of the PHY for management purposes * @dev_flags: Device-specific flags used by the PHY driver. * * - Bits [15:0] are free to use by the PHY driver to communicate * driver specific behavior. * - Bits [23:16] are currently reserved for future use. * - Bits [31:24] are reserved for defining generic * PHY driver behavior. * @irq: IRQ number of the PHY's interrupt (-1 if none) * @phylink: Pointer to phylink instance for this PHY * @sfp_bus_attached: Flag indicating whether the SFP bus has been attached * @sfp_bus: SFP bus attached to this PHY's fiber port * @attached_dev: The attached enet driver's device instance ptr * @adjust_link: Callback for the enet controller to respond to changes: in the * link state. * @phy_link_change: Callback for phylink for notification of link change * @macsec_ops: MACsec offloading ops. * * @speed: Current link speed * @duplex: Current duplex * @port: Current port * @pause: Current pause * @asym_pause: Current asymmetric pause * @supported: Combined MAC/PHY supported linkmodes * @advertising: Currently advertised linkmodes * @adv_old: Saved advertised while power saving for WoL * @supported_eee: supported PHY EEE linkmodes * @advertising_eee: Currently advertised EEE linkmodes * @enable_tx_lpi: When True, MAC should transmit LPI to PHY * @eee_active: phylib private state, indicating that EEE has been negotiated * @eee_cfg: User configuration of EEE * @lp_advertising: Current link partner advertised linkmodes * @host_interfaces: PHY interface modes supported by host * @eee_disabled_modes: Energy efficient ethernet modes not to be advertised * @autoneg: Flag autoneg being used * @rate_matching: Current rate matching mode * @link: Current link state * @autoneg_complete: Flag auto negotiation of the link has completed * @mdix: Current crossover * @mdix_ctrl: User setting of crossover * @pma_extable: Cached value of PMA/PMD Extended Abilities Register * @interrupts: Flag interrupts have been enabled * @irq_suspended: Flag indicating PHY is suspended and therefore interrupt * handling shall be postponed until PHY has resumed * @irq_rerun: Flag indicating interrupts occurred while PHY was suspended, * requiring a rerun of the interrupt handler after resume * @default_timestamp: Flag indicating whether we are using the phy * timestamp as the default one * @interface: enum phy_interface_t value * @possible_interfaces: bitmap if interface modes that the attached PHY * will switch between depending on media speed. * @skb: Netlink message for cable diagnostics * @nest: Netlink nest used for cable diagnostics * @ehdr: nNtlink header for cable diagnostics * @phy_led_triggers: Array of LED triggers * @phy_num_led_triggers: Number of triggers in @phy_led_triggers * @led_link_trigger: LED trigger for link up/down * @last_triggered: last LED trigger for link speed * @leds: list of PHY LED structures * @master_slave_set: User requested master/slave configuration * @master_slave_get: Current master/slave advertisement * @master_slave_state: Current master/slave configuration * @mii_ts: Pointer to time stamper callbacks * @psec: Pointer to Power Sourcing Equipment control struct * @lock: Mutex for serialization access to PHY * @state_queue: Work queue for state machine * @link_down_events: Number of times link was lost * @shared: Pointer to private data shared by phys in one package * @priv: Pointer to driver private data * * interrupts currently only supports enabled or disabled, * but could be changed in the future to support enabling * and disabling specific interrupts * * Contains some infrastructure for polling and interrupt * handling, as well as handling shifts in PHY hardware state
*/ struct phy_device { struct mdio_device mdio;
/* Information about the PHY type */ /* And management functions */ conststruct phy_driver *drv;
/* * forced speed & duplex (no autoneg) * partner speed & duplex & pause (autoneg)
*/ int speed; int duplex; int port; int pause; int asym_pause;
u8 master_slave_get;
u8 master_slave_set;
u8 master_slave_state;
/* Union of PHY and Attached devices' supported link modes */ /* See ethtool.h for more info */
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); /* used with phy_speed_down */
__ETHTOOL_DECLARE_LINK_MODE_MASK(adv_old); /* used for eee validation and configuration*/
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported_eee);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising_eee); /* Energy efficient ethernet modes which should be prohibited */
__ETHTOOL_DECLARE_LINK_MODE_MASK(eee_disabled_modes); bool enable_tx_lpi; bool eee_active; struct eee_config eee_cfg;
/* Host supported PHY interface types. Should be ignored if empty. */
DECLARE_PHY_INTERFACE_MASK(host_interfaces);
/* * Interrupt number for this PHY * -1 means no interrupt
*/ int irq;
/* private data pointer */ /* For use by PHYs to maintain extra state */ void *priv;
#if IS_ENABLED(CONFIG_PHY_PACKAGE) /* shared data pointer */ /* For use by PHYs inside the same package that need a shared state. */ struct phy_package_shared *shared; #endif
/** * struct phy_tdr_config - Configuration of a TDR raw test * * @first: Distance for first data collection point * @last: Distance for last data collection point * @step: Step between data collection points * @pair: Bitmap of cable pairs to collect data for * * A structure containing possible configuration parameters * for a TDR cable test. The driver does not need to implement * all the parameters, but should report what is actually used. * All distances are in centimeters.
*/ struct phy_tdr_config {
u32 first;
u32 last;
u32 step;
s8 pair;
}; #define PHY_PAIR_ALL -1
/** * enum link_inband_signalling - in-band signalling modes that are supported * * @LINK_INBAND_DISABLE: in-band signalling can be disabled * @LINK_INBAND_ENABLE: in-band signalling can be enabled without bypass * @LINK_INBAND_BYPASS: in-band signalling can be enabled with bypass * * 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_DISABLE = BIT(0),
LINK_INBAND_ENABLE = BIT(1),
LINK_INBAND_BYPASS = BIT(2),
};
/** * struct phy_plca_cfg - Configuration of the PLCA (Physical Layer Collision * Avoidance) Reconciliation Sublayer. * * @version: read-only PLCA register map version. -1 = not available. Ignored * when setting the configuration. Format is the same as reported by the PLCA * IDVER register (31.CA00). -1 = not available. * @enabled: PLCA configured mode (enabled/disabled). -1 = not available / don't * set. 0 = disabled, anything else = enabled. * @node_id: the PLCA local node identifier. -1 = not available / don't set. * Allowed values [0 .. 254]. 255 = node disabled. * @node_cnt: the PLCA node count (maximum number of nodes having a TO). Only * meaningful for the coordinator (node_id = 0). -1 = not available / don't * set. Allowed values [1 .. 255]. * @to_tmr: The value of the PLCA to_timer in bit-times, which determines the * PLCA transmit opportunity window opening. See IEEE802.3 Clause 148 for * more details. The to_timer shall be set equal over all nodes. * -1 = not available / don't set. Allowed values [0 .. 255]. * @burst_cnt: controls how many additional frames a node is allowed to send in * single transmit opportunity (TO). The default value of 0 means that the * node is allowed exactly one frame per TO. A value of 1 allows two frames * per TO, and so on. -1 = not available / don't set. * Allowed values [0 .. 255]. * @burst_tmr: controls how many bit times to wait for the MAC to send a new * frame before interrupting the burst. This value should be set to a value * greater than the MAC inter-packet gap (which is typically 96 bits). * -1 = not available / don't set. Allowed values [0 .. 255]. * * A structure containing configuration parameters for setting/getting the PLCA * RS configuration. The driver does not need to implement all the parameters, * but should report what is actually used.
*/ struct phy_plca_cfg { int version; int enabled; int node_id; int node_cnt; int to_tmr; int burst_cnt; int burst_tmr;
};
/** * struct phy_plca_status - Status of the PLCA (Physical Layer Collision * Avoidance) Reconciliation Sublayer. * * @pst: The PLCA status as reported by the PST bit in the PLCA STATUS * register(31.CA03), indicating BEACON activity. * * A structure containing status information of the PLCA RS configuration. * The driver does not need to implement all the parameters, but should report * what is actually used.
*/ struct phy_plca_status { bool pst;
};
/* Modes for PHY LED configuration */ enum phy_led_modes {
PHY_LED_ACTIVE_HIGH = 0,
PHY_LED_ACTIVE_LOW = 1,
PHY_LED_INACTIVE_HIGH_IMPEDANCE = 2,
/* keep it last */
__PHY_LED_MODES_NUM,
};
/** * struct phy_led: An LED driven by the PHY * * @list: List of LEDs * @phydev: PHY this LED is attached to * @led_cdev: Standard LED class structure * @index: Number of the LED
*/ struct phy_led { struct list_head list; struct phy_device *phydev; struct led_classdev led_cdev;
u8 index;
};
/** * struct phy_driver - Driver structure for a particular PHY type * * @mdiodrv: Data common to all MDIO devices * @phy_id: The result of reading the UID registers of this PHY * type, and ANDing them with the phy_id_mask. This driver * only works for PHYs with IDs which match this field * @name: The friendly name of this PHY type * @phy_id_mask: Defines the important bits of the phy_id * @features: A mandatory list of features (speed, duplex, etc) * supported by this PHY * @flags: A bitfield defining certain other features this PHY * supports (like interrupts) * @driver_data: Static driver data * * All functions are optional. If config_aneg or read_status * are not implemented, the phy core uses the genphy versions. * Note that none of these functions should be called from * interrupt time. The goal is for the bus read/write functions * to be able to block when the bus transaction is happening, * and be freed up by an interrupt (The MPC85xx has this ability, * though it is not currently supported in the driver).
*/ struct phy_driver { struct mdio_driver_common mdiodrv;
u32 phy_id; char *name;
u32 phy_id_mask; constunsignedlong * const features;
u32 flags; constvoid *driver_data;
/** * @soft_reset: Called to issue a PHY software reset
*/ int (*soft_reset)(struct phy_device *phydev);
/** * @config_init: Called to initialize the PHY, * including after a reset
*/ int (*config_init)(struct phy_device *phydev);
/** * @probe: Called during discovery. Used to set * up device-specific structures, if any
*/ int (*probe)(struct phy_device *phydev);
/** * @get_features: Probe the hardware to determine what * abilities it has. Should only set phydev->supported.
*/ int (*get_features)(struct phy_device *phydev);
/** * @inband_caps: query whether in-band is supported for the given PHY * interface mode. Returns a bitmask of bits defined by enum * link_inband_signalling.
*/ unsignedint (*inband_caps)(struct phy_device *phydev,
phy_interface_t interface);
/** * @config_inband: configure in-band mode for the PHY
*/ int (*config_inband)(struct phy_device *phydev, unsignedint modes);
/** * @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 * assumed that if a rate matching mode is supported on an interface, * then that interface's rate can be adapted to all slower link speeds * supported by the phy. If the interface is not supported, this should * return %RATE_MATCH_NONE.
*/ int (*get_rate_matching)(struct phy_device *phydev,
phy_interface_t iface);
/* PHY Power Management */ /** @suspend: Suspend the hardware, saving state if needed */ int (*suspend)(struct phy_device *phydev); /** @resume: Resume the hardware, restoring state if needed */ int (*resume)(struct phy_device *phydev);
/** * @config_aneg: Configures the advertisement and resets * autonegotiation if phydev->autoneg is on, * forces the speed to the current settings in phydev * if phydev->autoneg is off
*/ int (*config_aneg)(struct phy_device *phydev);
/** @aneg_done: Determines the auto negotiation result */ int (*aneg_done)(struct phy_device *phydev);
/** @read_status: Determines the negotiated speed and duplex */ int (*read_status)(struct phy_device *phydev);
/** * @config_intr: Enables or disables interrupts. * It should also clear any pending interrupts prior to enabling the * IRQs and after disabling them.
*/ int (*config_intr)(struct phy_device *phydev);
/** @remove: Clears up any memory if needed */ void (*remove)(struct phy_device *phydev);
/** * @match_phy_device: Returns true if this is a suitable * driver for the given phydev. If NULL, matching is based on * phy_id and phy_id_mask.
*/ int (*match_phy_device)(struct phy_device *phydev, conststruct phy_driver *phydrv);
/** * @set_wol: Some devices (e.g. qnap TS-119P II) require PHY * register changes to enable Wake on LAN, so set_wol is * provided to be called in the ethernet driver's set_wol * function.
*/ int (*set_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
/** * @get_wol: See set_wol, but for checking whether Wake on LAN * is enabled.
*/ void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
/** * @link_change_notify: Called to inform a PHY device driver * when the core is about to change the link state. This * callback is supposed to be used as fixup hook for drivers * that need to take action when the link state * changes. Drivers are by no means allowed to mess with the * PHY device structure in their implementations.
*/ void (*link_change_notify)(struct phy_device *dev);
/** * @read_mmd: PHY specific driver override for reading a MMD * register. This function is optional for PHY specific * drivers. When not provided, the default MMD read function * will be used by phy_read_mmd(), which will use either a * direct read for Clause 45 PHYs or an indirect read for * Clause 22 PHYs. devnum is the MMD device number within the * PHY device, regnum is the register within the selected MMD * device.
*/ int (*read_mmd)(struct phy_device *dev, int devnum, u16 regnum);
/** * @write_mmd: PHY specific driver override for writing a MMD * register. This function is optional for PHY specific * drivers. When not provided, the default MMD write function * will be used by phy_write_mmd(), which will use either a * direct write for Clause 45 PHYs, or an indirect write for * Clause 22 PHYs. devnum is the MMD device number within the * PHY device, regnum is the register within the selected MMD * device. val is the value to be written.
*/ int (*write_mmd)(struct phy_device *dev, int devnum, u16 regnum,
u16 val);
/** @read_page: Return the current PHY register page number */ int (*read_page)(struct phy_device *dev); /** @write_page: Set the current PHY register page number */ int (*write_page)(struct phy_device *dev, int page);
/** * @module_info: Get the size and type of the eeprom contained * within a plug-in module
*/ int (*module_info)(struct phy_device *dev, struct ethtool_modinfo *modinfo);
/** * @module_eeprom: Get the eeprom information from the plug-in * module
*/ int (*module_eeprom)(struct phy_device *dev, struct ethtool_eeprom *ee, u8 *data);
/** @cable_test_start: Start a cable test */ int (*cable_test_start)(struct phy_device *dev);
/** @cable_test_tdr_start: Start a raw TDR cable test */ int (*cable_test_tdr_start)(struct phy_device *dev, conststruct phy_tdr_config *config);
/** * @cable_test_get_status: Once per second, or on interrupt, * request the status of the test.
*/ int (*cable_test_get_status)(struct phy_device *dev, bool *finished);
/* Get statistics from the PHY using ethtool */ /** * @get_phy_stats: Retrieve PHY statistics. * @dev: The PHY device for which the statistics are retrieved. * @eth_stats: structure where Ethernet PHY stats will be stored. * @stats: structure where additional PHY-specific stats will be stored. * * Retrieves the supported PHY statistics and populates the provided * structures. The input structures are pre-initialized with * `ETHTOOL_STAT_NOT_SET`, and the driver must only modify members * corresponding to supported statistics. Unmodified members will remain * set to `ETHTOOL_STAT_NOT_SET` and will not be returned to userspace.
*/ void (*get_phy_stats)(struct phy_device *dev, struct ethtool_eth_phy_stats *eth_stats, struct ethtool_phy_stats *stats);
/** * @get_link_stats: Retrieve link statistics. * @dev: The PHY device for which the statistics are retrieved. * @link_stats: structure where link-specific stats will be stored. * * Retrieves link-related statistics for the given PHY device. The input * structure is pre-initialized with `ETHTOOL_STAT_NOT_SET`, and the * driver must only modify members corresponding to supported * statistics. Unmodified members will remain set to * `ETHTOOL_STAT_NOT_SET` and will not be returned to userspace.
*/ void (*get_link_stats)(struct phy_device *dev, struct ethtool_link_ext_stats *link_stats);
/** * @update_stats: Trigger periodic statistics updates. * @dev: The PHY device for which statistics updates are triggered. * * Periodically gathers statistics from the PHY device to update locally * maintained 64-bit counters. This is necessary for PHYs that implement * reduced-width counters (e.g., 16-bit or 32-bit) which can overflow * more frequently compared to 64-bit counters. By invoking this * callback, drivers can fetch the current counter values, handle * overflow detection, and accumulate the results into local 64-bit * counters for accurate reporting through the `get_phy_stats` and * `get_link_stats` interfaces. * * Return: 0 on success or a negative error code on failure.
*/ int (*update_stats)(struct phy_device *dev);
/** @get_sset_count: Number of statistic counters */ int (*get_sset_count)(struct phy_device *dev); /** @get_strings: Names of the statistic counters */ void (*get_strings)(struct phy_device *dev, u8 *data); /** @get_stats: Return the statistic counter values */ void (*get_stats)(struct phy_device *dev, struct ethtool_stats *stats, u64 *data);
/* Get and Set PHY tunables */ /** @get_tunable: Return the value of a tunable */ int (*get_tunable)(struct phy_device *dev, struct ethtool_tunable *tuna, void *data); /** @set_tunable: Set the value of a tunable */ int (*set_tunable)(struct phy_device *dev, struct ethtool_tunable *tuna, constvoid *data); /** * @set_loopback: Set the loopback mode of the PHY * enable selects if the loopback mode is enabled or disabled. If the * loopback mode is enabled, then the speed of the loopback mode can be * requested with the speed argument. If the speed argument is zero, * then any speed can be selected. If the speed argument is > 0, then * this speed shall be selected for the loopback mode or EOPNOTSUPP * shall be returned if speed selection is not supported.
*/ int (*set_loopback)(struct phy_device *dev, bool enable, int speed); /** @get_sqi: Get the signal quality indication */ int (*get_sqi)(struct phy_device *dev); /** @get_sqi_max: Get the maximum signal quality indication */ int (*get_sqi_max)(struct phy_device *dev);
/* PLCA RS interface */ /** @get_plca_cfg: Return the current PLCA configuration */ int (*get_plca_cfg)(struct phy_device *dev, struct phy_plca_cfg *plca_cfg); /** @set_plca_cfg: Set the PLCA configuration */ int (*set_plca_cfg)(struct phy_device *dev, conststruct phy_plca_cfg *plca_cfg); /** @get_plca_status: Return the current PLCA status info */ int (*get_plca_status)(struct phy_device *dev, struct phy_plca_status *plca_st);
/** * @led_brightness_set: Set a PHY LED brightness. Index * indicates which of the PHYs led should be set. Value * follows the standard LED class meaning, e.g. LED_OFF, * LED_HALF, LED_FULL.
*/ int (*led_brightness_set)(struct phy_device *dev,
u8 index, enum led_brightness value);
/** * @led_blink_set: Set a PHY LED blinking. Index indicates * which of the PHYs led should be configured to blink. Delays * are in milliseconds and if both are zero then a sensible * default should be chosen. The call should adjust the * timings in that case and if it can't match the values * specified exactly.
*/ int (*led_blink_set)(struct phy_device *dev, u8 index, unsignedlong *delay_on, unsignedlong *delay_off); /** * @led_hw_is_supported: Can the HW support the given rules. * @dev: PHY device which has the LED * @index: Which LED of the PHY device * @rules The core is interested in these rules * * Return 0 if yes, -EOPNOTSUPP if not, or an error code.
*/ int (*led_hw_is_supported)(struct phy_device *dev, u8 index, unsignedlong rules); /** * @led_hw_control_set: Set the HW to control the LED * @dev: PHY device which has the LED * @index: Which LED of the PHY device * @rules The rules used to control the LED * * Returns 0, or a an error code.
*/ int (*led_hw_control_set)(struct phy_device *dev, u8 index, unsignedlong rules); /** * @led_hw_control_get: Get how the HW is controlling the LED * @dev: PHY device which has the LED * @index: Which LED of the PHY device * @rules Pointer to the rules used to control the LED * * Set *@rules to how the HW is currently blinking. Returns 0 * on success, or a error code if the current blinking cannot * be represented in rules, or some other error happens.
*/ int (*led_hw_control_get)(struct phy_device *dev, u8 index, unsignedlong *rules);
/** * @led_polarity_set: Set the LED polarity modes * @dev: PHY device which has the LED * @index: Which LED of the PHY device * @modes: bitmap of LED polarity modes * * Configure LED with all the required polarity modes in @modes * to make it correctly turn ON or OFF. * * Returns 0, or an error code.
*/ int (*led_polarity_set)(struct phy_device *dev, int index, unsignedlong modes);
/** * @get_next_update_time: Get the time until the next update event * @dev: PHY device * * Callback to determine the time (in jiffies) until the next * update event for the PHY state machine. Allows PHY drivers to * dynamically adjust polling intervals based on link state or other * conditions. * * Returns the time in jiffies until the next update event.
*/ unsignedint (*get_next_update_time)(struct phy_device *dev);
}; #define to_phy_driver(d) container_of_const(to_mdio_common_driver(d), \ struct phy_driver, mdiodrv)
/** * phy_id_compare - compare @id1 with @id2 taking account of @mask * @id1: first PHY ID * @id2: second PHY ID * @mask: the PHY ID mask, set bits are significant in matching * * Return true if the bits from @id1 and @id2 specified by @mask match. * This uses an equivalent test to (@id & @mask) == (@phy_id & @mask).
*/ staticinlinebool phy_id_compare(u32 id1, u32 id2, u32 mask)
{ return !((id1 ^ id2) & mask);
}
/** * phy_id_compare_vendor - compare @id with @vendor mask * @id: PHY ID * @vendor_mask: PHY Vendor mask * * Return: true if the bits from @id match @vendor using the * generic PHY Vendor mask.
*/ staticinlinebool phy_id_compare_vendor(u32 id, u32 vendor_mask)
{ return phy_id_compare(id, vendor_mask, PHY_ID_MATCH_VENDOR_MASK);
}
/** * phydev_id_compare - compare @id with the PHY's Clause 22 ID * @phydev: the PHY device * @id: the PHY ID to be matched * * Compare the @phydev clause 22 ID with the provided @id and return true or * false depending whether it matches, using the bound driver mask. The * @phydev must be bound to a driver.
*/ staticinlinebool phydev_id_compare(struct phy_device *phydev, u32 id)
{ return phy_id_compare(id, phydev->phy_id, phydev->drv->phy_id_mask);
}
int phy_interface_num_ports(phy_interface_t interface);
/** * phy_is_started - Convenience function to check whether PHY is started * @phydev: The phy_device struct
*/ staticinlinebool phy_is_started(struct phy_device *phydev)
{ return phydev->state >= PHY_UP;
}
/** * phy_driver_is_genphy - Convenience function to check whether PHY is driven * by one of the generic PHY drivers * @phydev: The phy_device struct * Return: true if PHY is driven by one of the genphy drivers
*/ staticinlinebool phy_driver_is_genphy(struct phy_device *phydev)
{ return phydev->is_genphy_driven;
}
/** * phy_disable_eee_mode - Don't advertise an EEE mode. * @phydev: The phy_device struct * @link_mode: The EEE mode to be disabled
*/ staticinlinevoid phy_disable_eee_mode(struct phy_device *phydev, u32 link_mode)
{
WARN_ON(phy_is_started(phydev));
/** * phy_read - Convenience function for reading a given PHY register * @phydev: the phy_device struct * @regnum: register number to read * * NOTE: MUST NOT be called from interrupt context, * because the bus read/write functions may wait for an interrupt * to conclude the operation.
*/ staticinlineint phy_read(struct phy_device *phydev, u32 regnum)
{ return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
}
/** * __phy_read - convenience function for reading a given PHY register * @phydev: the phy_device struct * @regnum: register number to read * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_read(struct phy_device *phydev, u32 regnum)
{ return __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
}
/** * phy_write - Convenience function for writing a given PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: value to write to @regnum * * NOTE: MUST NOT be called from interrupt context, * because the bus read/write functions may wait for an interrupt * to conclude the operation.
*/ staticinlineint phy_write(struct phy_device *phydev, u32 regnum, u16 val)
{ return mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum, val);
}
/** * __phy_write - Convenience function for writing a given PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: value to write to @regnum * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_write(struct phy_device *phydev, u32 regnum, u16 val)
{ return __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr, regnum,
val);
}
/** * __phy_modify_changed() - Convenience function for modifying a PHY register * @phydev: a pointer to a &struct phy_device * @regnum: register number * @mask: bit mask of bits to clear * @set: bit mask of bits to set * * Unlocked helper function which allows a PHY register to be modified as * new register value = (old register value & ~mask) | set * * Returns negative errno, 0 if there was no change, and 1 in case of change
*/ staticinlineint __phy_modify_changed(struct phy_device *phydev, u32 regnum,
u16 mask, u16 set)
{ return __mdiobus_modify_changed(phydev->mdio.bus, phydev->mdio.addr,
regnum, mask, set);
}
/* * phy_read_mmd - Convenience function for reading a register * from an MMD on a given PHY.
*/ int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum);
/** * phy_read_mmd_poll_timeout - Periodically poll a PHY register until a * condition is met or a timeout occurs * * @phydev: The phy_device struct * @devaddr: The MMD to read from * @regnum: The register on the MMD to read * @val: Variable to read the register into * @cond: Break condition (usually involving @val) * @sleep_us: Maximum time to sleep between reads in us (0 tight-loops). Please * read usleep_range() function description for details and * limitations. * @timeout_us: Timeout in us, 0 means never timeout * @sleep_before_read: if it is true, sleep @sleep_us before read. * * Returns: 0 on success and -ETIMEDOUT upon a timeout. In either * case, the last read value at @args is stored in @val. Must not * be called from atomic context if sleep_us or timeout_us are used.
*/ #define phy_read_mmd_poll_timeout(phydev, devaddr, regnum, val, cond, \
sleep_us, timeout_us, sleep_before_read) \
({ \ int __ret, __val; \
__ret = read_poll_timeout(__val = phy_read_mmd, val, \
__val < 0 || (cond), \
sleep_us, timeout_us, sleep_before_read, \
phydev, devaddr, regnum); \ if (__val < 0) \
__ret = __val; \ if (__ret) \
phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \
__ret; \
})
/* * __phy_read_mmd - Convenience function for reading a register * from an MMD on a given PHY.
*/ int __phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum);
/* * phy_write_mmd - Convenience function for writing a register * on an MMD on a given PHY.
*/ int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
/* * __phy_write_mmd - Convenience function for writing a register * on an MMD on a given PHY.
*/ int __phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
int __phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask,
u16 set); int phy_modify_changed(struct phy_device *phydev, u32 regnum, u16 mask,
u16 set); int __phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set); int phy_modify(struct phy_device *phydev, u32 regnum, u16 mask, u16 set);
int __phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set); int phy_modify_mmd_changed(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set); int __phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set); int phy_modify_mmd(struct phy_device *phydev, int devad, u32 regnum,
u16 mask, u16 set);
/** * __phy_set_bits - Convenience function for setting bits in a PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: bits to set * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val)
{ return __phy_modify(phydev, regnum, 0, val);
}
/** * __phy_clear_bits - Convenience function for clearing bits in a PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: bits to clear * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_clear_bits(struct phy_device *phydev, u32 regnum,
u16 val)
{ return __phy_modify(phydev, regnum, val, 0);
}
/** * phy_set_bits - Convenience function for setting bits in a PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: bits to set
*/ staticinlineint phy_set_bits(struct phy_device *phydev, u32 regnum, u16 val)
{ return phy_modify(phydev, regnum, 0, val);
}
/** * phy_clear_bits - Convenience function for clearing bits in a PHY register * @phydev: the phy_device struct * @regnum: register number to write * @val: bits to clear
*/ staticinlineint phy_clear_bits(struct phy_device *phydev, u32 regnum, u16 val)
{ return phy_modify(phydev, regnum, val, 0);
}
/** * __phy_set_bits_mmd - Convenience function for setting bits in a register * on MMD * @phydev: the phy_device struct * @devad: the MMD containing register to modify * @regnum: register number to modify * @val: bits to set * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_set_bits_mmd(struct phy_device *phydev, int devad,
u32 regnum, u16 val)
{ return __phy_modify_mmd(phydev, devad, regnum, 0, val);
}
/** * __phy_clear_bits_mmd - Convenience function for clearing bits in a register * on MMD * @phydev: the phy_device struct * @devad: the MMD containing register to modify * @regnum: register number to modify * @val: bits to clear * * The caller must have taken the MDIO bus lock.
*/ staticinlineint __phy_clear_bits_mmd(struct phy_device *phydev, int devad,
u32 regnum, u16 val)
{ return __phy_modify_mmd(phydev, devad, regnum, val, 0);
}
/** * phy_set_bits_mmd - Convenience function for setting bits in a register * on MMD * @phydev: the phy_device struct * @devad: the MMD containing register to modify * @regnum: register number to modify * @val: bits to set
*/ staticinlineint phy_set_bits_mmd(struct phy_device *phydev, int devad,
u32 regnum, u16 val)
{ return phy_modify_mmd(phydev, devad, regnum, 0, val);
}
/** * phy_clear_bits_mmd - Convenience function for clearing bits in a register * on MMD * @phydev: the phy_device struct * @devad: the MMD containing register to modify * @regnum: register number to modify * @val: bits to clear
*/ staticinlineint phy_clear_bits_mmd(struct phy_device *phydev, int devad,
u32 regnum, u16 val)
{ return phy_modify_mmd(phydev, devad, regnum, val, 0);
}
/** * phy_interrupt_is_valid - Convenience function for testing a given PHY irq * @phydev: the phy_device struct * * NOTE: must be kept in sync with addition/removal of PHY_POLL and * PHY_MAC_INTERRUPT
*/ staticinlinebool phy_interrupt_is_valid(struct phy_device *phydev)
{ return phydev->irq != PHY_POLL && phydev->irq != PHY_MAC_INTERRUPT;
}
/** * phy_polling_mode - Convenience function for testing whether polling is * used to detect PHY status changes * @phydev: the phy_device struct
*/ staticinlinebool phy_polling_mode(struct phy_device *phydev)
{ if (phydev->state == PHY_CABLETEST) if (phydev->drv->flags & PHY_POLL_CABLE_TEST) returntrue;
if (phydev->drv->update_stats) returntrue;
return phydev->irq == PHY_POLL;
}
/** * phy_has_hwtstamp - Tests whether a PHY time stamp configuration. * @phydev: the phy_device struct
*/ staticinlinebool phy_has_hwtstamp(struct phy_device *phydev)
{ return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp;
}
/** * phy_has_rxtstamp - Tests whether a PHY supports receive time stamping. * @phydev: the phy_device struct
*/ staticinlinebool phy_has_rxtstamp(struct phy_device *phydev)
{ return phydev && phydev->mii_ts && phydev->mii_ts->rxtstamp;
}
/** * phy_is_default_hwtstamp - Is the PHY hwtstamp the default timestamp * @phydev: Pointer to phy_device * * This is used to get default timestamping device taking into account * the new API choice, which is selecting the timestamping from MAC by * default if the phydev does not have default_timestamp flag enabled. * * Return: True if phy is the default hw timestamp, false otherwise.
*/ staticinlinebool phy_is_default_hwtstamp(struct phy_device *phydev)
{ return phy_has_hwtstamp(phydev) && phydev->default_timestamp;
}
/** * phy_on_sfp - Convenience function for testing if a PHY is on an SFP module * @phydev: the phy_device struct
*/ staticinlinebool phy_on_sfp(struct phy_device *phydev)
{ return phydev->is_on_sfp_module;
}
/** * phy_interface_mode_is_rgmii - Convenience function for testing if a * PHY interface mode is RGMII (all variants) * @mode: the &phy_interface_t enum
*/ staticinlinebool phy_interface_mode_is_rgmii(phy_interface_t mode)
{ return mode >= PHY_INTERFACE_MODE_RGMII &&
mode <= PHY_INTERFACE_MODE_RGMII_TXID;
};
/** * phy_interface_mode_is_8023z() - does the PHY interface mode use 802.3z * negotiation * @mode: one of &enum phy_interface_t * * Returns true if the PHY interface mode uses the 16-bit negotiation * word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding)
*/ staticinlinebool phy_interface_mode_is_8023z(phy_interface_t mode)
{ return mode == PHY_INTERFACE_MODE_1000BASEX ||
mode == PHY_INTERFACE_MODE_2500BASEX;
}
/** * phy_interface_is_rgmii - Convenience function for testing if a PHY interface * is RGMII (all variants) * @phydev: the phy_device struct
*/ staticinlinebool phy_interface_is_rgmii(struct phy_device *phydev)
{ return phy_interface_mode_is_rgmii(phydev->interface);
};
/** * phy_is_pseudo_fixed_link - Convenience function for testing if this * PHY is the CPU port facing side of an Ethernet switch, or similar. * @phydev: the phy_device struct
*/ staticinlinebool phy_is_pseudo_fixed_link(struct phy_device *phydev)
{ return phydev->is_pseudo_fixed_link;
}
int phy_save_page(struct phy_device *phydev); int phy_select_page(struct phy_device *phydev, int page); int phy_restore_page(struct phy_device *phydev, int oldpage, int ret); int phy_read_paged(struct phy_device *phydev, int page, u32 regnum); int phy_write_paged(struct phy_device *phydev, int page, u32 regnum, u16 val); int phy_modify_paged_changed(struct phy_device *phydev, int page, u32 regnum,
u16 mask, u16 set); int phy_modify_paged(struct phy_device *phydev, int page, u32 regnum,
u16 mask, u16 set);
struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id); struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode); struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); struct fwnode_handle *fwnode_get_phy_node(conststruct fwnode_handle *fwnode); struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); void phy_device_remove(struct phy_device *phydev); int phy_get_c45_ids(struct phy_device *phydev); int phy_init_hw(struct phy_device *phydev); int phy_suspend(struct phy_device *phydev); int phy_resume(struct phy_device *phydev); int __phy_resume(struct phy_device *phydev); int phy_loopback(struct phy_device *phydev, bool enable, int speed); int phy_sfp_connect_phy(void *upstream, struct phy_device *phy); void phy_sfp_disconnect_phy(void *upstream, struct phy_device *phy); void phy_sfp_attach(void *upstream, struct sfp_bus *bus); void phy_sfp_detach(void *upstream, struct sfp_bus *bus); int phy_sfp_probe(struct phy_device *phydev, conststruct sfp_upstream_ops *ops); struct phy_device *phy_attach(struct net_device *dev, constchar *bus_id,
phy_interface_t interface); struct phy_device *phy_find_first(struct mii_bus *bus); int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
u32 flags, phy_interface_t interface); int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, void (*handler)(struct net_device *),
phy_interface_t interface); struct phy_device *phy_connect(struct net_device *dev, constchar *bus_id, void (*handler)(struct net_device *),
phy_interface_t interface); void phy_disconnect(struct phy_device *phydev); void phy_detach(struct phy_device *phydev); void phy_start(struct phy_device *phydev); void phy_stop(struct phy_device *phydev); 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); unsignedint phy_inband_caps(struct phy_device *phydev,
phy_interface_t interface); int phy_config_inband(struct phy_device *phydev, unsignedint modes); 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, unsignedlong *features);
int phy_restart_aneg(struct phy_device *phydev); int phy_reset_after_clk_enable(struct phy_device *phydev);
#if IS_ENABLED(CONFIG_PHYLIB) int phy_start_cable_test(struct phy_device *phydev, struct netlink_ext_ack *extack); int phy_start_cable_test_tdr(struct phy_device *phydev, struct netlink_ext_ack *extack, conststruct phy_tdr_config *config); #else staticinline int phy_start_cable_test(struct phy_device *phydev, struct netlink_ext_ack *extack)
{
NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support"); return -EOPNOTSUPP;
} staticinline int phy_start_cable_test_tdr(struct phy_device *phydev, struct netlink_ext_ack *extack, conststruct phy_tdr_config *config)
{
NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support"); return -EOPNOTSUPP;
} #endif
staticinlinevoid phy_device_reset(struct phy_device *phydev, int value)
{
mdio_device_reset(&phydev->mdio, value);
}
#define phydev_err(_phydev, format, args...) \
dev_err(&_phydev->mdio.dev, format, ##args)
#define phydev_err_probe(_phydev, err, format, args...) \
dev_err_probe(&_phydev->mdio.dev, err, format, ##args)
#define phydev_info(_phydev, format, args...) \
dev_info(&_phydev->mdio.dev, format, ##args)
#define phydev_warn(_phydev, format, args...) \
dev_warn(&_phydev->mdio.dev, format, ##args)
#define phydev_dbg(_phydev, format, args...) \
dev_dbg(&_phydev->mdio.dev, format, ##args)
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