From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/linux/phy.h | 1171 +++++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 860 insertions(+), 311 deletions(-)
diff --git a/kernel/include/linux/phy.h b/kernel/include/linux/phy.h
index e3b48a3..afeda1c 100644
--- a/kernel/include/linux/phy.h
+++ b/kernel/include/linux/phy.h
@@ -1,16 +1,11 @@
+/* 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 gianfar_phy.c
+ * Based on code in sungem_phy.c and (long-removed) gianfar_phy.c
*
* Author: Andy Fleming
*
* Copyright (c) 2004 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
*/
#ifndef __PHY_H
@@ -19,12 +14,19 @@
#include <linux/compiler.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
+#include <linux/linkmode.h>
+#include <linux/netlink.h>
#include <linux/mdio.h>
#include <linux/mii.h>
+#include <linux/mii_timestamper.h>
#include <linux/module.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/mod_devicetable.h>
+#include <linux/u64_stats_sync.h>
+#include <linux/irqreturn.h>
+#include <linux/iopoll.h>
+#include <linux/refcount.h>
#include <linux/android_kabi.h>
#include <linux/atomic.h>
@@ -42,13 +44,31 @@
#define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
SUPPORTED_1000baseT_Full)
-#define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
- PHY_100BT_FEATURES | \
- PHY_DEFAULT_FEATURES)
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_basic_t1_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_fibre_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_gbit_all_ports_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_fec_features) __ro_after_init;
+extern __ETHTOOL_DECLARE_LINK_MODE_MASK(phy_10gbit_full_features) __ro_after_init;
-#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
- PHY_1000BT_FEATURES)
+#define PHY_BASIC_FEATURES ((unsigned long *)&phy_basic_features)
+#define PHY_BASIC_T1_FEATURES ((unsigned long *)&phy_basic_t1_features)
+#define PHY_GBIT_FEATURES ((unsigned long *)&phy_gbit_features)
+#define PHY_GBIT_FIBRE_FEATURES ((unsigned long *)&phy_gbit_fibre_features)
+#define PHY_GBIT_ALL_PORTS_FEATURES ((unsigned long *)&phy_gbit_all_ports_features)
+#define PHY_10GBIT_FEATURES ((unsigned long *)&phy_10gbit_features)
+#define PHY_10GBIT_FEC_FEATURES ((unsigned long *)&phy_10gbit_fec_features)
+#define PHY_10GBIT_FULL_FEATURES ((unsigned long *)&phy_10gbit_full_features)
+extern const int phy_basic_ports_array[3];
+extern const int phy_fibre_port_array[1];
+extern const int phy_all_ports_features_array[7];
+extern const int phy_10_100_features_array[4];
+extern const int phy_basic_t1_features_array[2];
+extern const int phy_gbit_features_array[2];
+extern const int phy_10gbit_features_array[1];
/*
* Set phydev->irq to PHY_POLL if interrupts are not supported,
@@ -58,12 +78,44 @@
#define PHY_POLL -1
#define PHY_IGNORE_INTERRUPT -2
-#define PHY_HAS_INTERRUPT 0x00000001
-#define PHY_IS_INTERNAL 0x00000002
-#define PHY_RST_AFTER_CLK_EN 0x00000004
+#define PHY_IS_INTERNAL 0x00000001
+#define PHY_RST_AFTER_CLK_EN 0x00000002
+#define PHY_POLL_CABLE_TEST 0x00000004
#define MDIO_DEVICE_IS_PHY 0x80000000
-/* Interface Mode definitions */
+/**
+ * enum phy_interface_t - Interface Mode definitions
+ *
+ * @PHY_INTERFACE_MODE_NA: Not Applicable - don't touch
+ * @PHY_INTERFACE_MODE_INTERNAL: No interface, MAC and PHY combined
+ * @PHY_INTERFACE_MODE_MII: Median-independent interface
+ * @PHY_INTERFACE_MODE_GMII: Gigabit median-independent interface
+ * @PHY_INTERFACE_MODE_SGMII: Serial gigabit media-independent interface
+ * @PHY_INTERFACE_MODE_TBI: Ten Bit Interface
+ * @PHY_INTERFACE_MODE_REVMII: Reverse Media Independent Interface
+ * @PHY_INTERFACE_MODE_RMII: Reduced Media Independent Interface
+ * @PHY_INTERFACE_MODE_RGMII: Reduced gigabit media-independent interface
+ * @PHY_INTERFACE_MODE_RGMII_ID: RGMII with Internal RX+TX delay
+ * @PHY_INTERFACE_MODE_RGMII_RXID: RGMII with Internal RX delay
+ * @PHY_INTERFACE_MODE_RGMII_TXID: RGMII with Internal RX delay
+ * @PHY_INTERFACE_MODE_RTBI: Reduced TBI
+ * @PHY_INTERFACE_MODE_SMII: ??? MII
+ * @PHY_INTERFACE_MODE_XGMII: 10 gigabit media-independent interface
+ * @PHY_INTERFACE_MODE_XLGMII:40 gigabit media-independent interface
+ * @PHY_INTERFACE_MODE_MOCA: Multimedia over Coax
+ * @PHY_INTERFACE_MODE_QSGMII: Quad SGMII
+ * @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII
+ * @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX
+ * @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX
+ * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI
+ * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface
+ * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR
+ * @PHY_INTERFACE_MODE_USXGMII: Universal Serial 10GE MII
+ * @PHY_INTERFACE_MODE_10GKR: 10GBASE-KR - with Clause 73 AN
+ * @PHY_INTERFACE_MODE_MAX: Book keeping
+ *
+ * Describes the interface between the MAC and PHY.
+ */
typedef enum {
PHY_INTERFACE_MODE_NA,
PHY_INTERFACE_MODE_INTERNAL,
@@ -80,6 +132,7 @@
PHY_INTERFACE_MODE_RTBI,
PHY_INTERFACE_MODE_SMII,
PHY_INTERFACE_MODE_XGMII,
+ PHY_INTERFACE_MODE_XLGMII,
PHY_INTERFACE_MODE_MOCA,
PHY_INTERFACE_MODE_QSGMII,
PHY_INTERFACE_MODE_TRGMII,
@@ -87,30 +140,28 @@
PHY_INTERFACE_MODE_2500BASEX,
PHY_INTERFACE_MODE_RXAUI,
PHY_INTERFACE_MODE_XAUI,
- /* 10GBASE-KR, XFI, SFI - single lane 10G Serdes */
+ /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */
+ PHY_INTERFACE_MODE_10GBASER,
+ PHY_INTERFACE_MODE_USXGMII,
+ /* 10GBASE-KR - with Clause 73 AN */
PHY_INTERFACE_MODE_10GKR,
PHY_INTERFACE_MODE_MAX,
} phy_interface_t;
-/**
- * phy_supported_speeds - return all speeds currently supported by a phy device
- * @phy: The phy device to return supported speeds of.
- * @speeds: buffer to store supported speeds in.
- * @size: size of speeds buffer.
- *
- * Description: Returns the number of supported speeds, and
- * fills the speeds * buffer with the supported speeds. If speeds buffer is
- * too small to contain * all currently supported speeds, will return as
- * many speeds as can fit.
+/*
+ * phy_supported_speeds - return all speeds currently supported by a PHY device
*/
unsigned int phy_supported_speeds(struct phy_device *phy,
unsigned int *speeds,
unsigned int size);
/**
- * It maps 'enum phy_interface_t' found in include/linux/phy.h
+ * 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.
+ * device driver can get PHY interface from device tree.
*/
static inline const char *phy_modes(phy_interface_t interface)
{
@@ -145,6 +196,8 @@
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_QSGMII:
@@ -159,6 +212,10 @@
return "rxaui";
case PHY_INTERFACE_MODE_XAUI:
return "xaui";
+ case PHY_INTERFACE_MODE_10GBASER:
+ return "10gbase-r";
+ case PHY_INTERFACE_MODE_USXGMII:
+ return "usxgmii";
case PHY_INTERFACE_MODE_10GKR:
return "10gbase-kr";
default:
@@ -168,9 +225,7 @@
#define PHY_INIT_TIMEOUT 100000
-#define PHY_STATE_TIME 1
#define PHY_FORCE_TIMEOUT 10
-#define PHY_AN_TIMEOUT 10
#define PHY_MAX_ADDR 32
@@ -179,15 +234,68 @@
#define MII_BUS_ID_SIZE 61
-/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
- IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
-#define MII_ADDR_C45 (1<<30)
-
struct device;
struct phylink;
+struct sfp_bus;
+struct sfp_upstream_ops;
struct sk_buff;
-/*
+/**
+ * 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 phy_package_shared - Shared information in PHY packages
+ * @addr: Common PHY address used to combine PHYs in one package
+ * @refcnt: Number of PHYs connected to this shared data
+ * @flags: Initialization of PHY package
+ * @priv_size: Size of the shared private data @priv
+ * @priv: Driver private data shared across a PHY package
+ *
+ * Represents a shared structure between different phydev's in the same
+ * package, for example a quad PHY. See phy_package_join() and
+ * phy_package_leave().
+ */
+struct phy_package_shared {
+ int addr;
+ refcount_t refcnt;
+ unsigned long flags;
+ size_t priv_size;
+
+ /* private data pointer */
+ /* note that this pointer is shared between different phydevs and
+ * the user has to take care of appropriate locking. It is allocated
+ * and freed automatically by phy_package_join() and
+ * phy_package_leave().
+ */
+ void *priv;
+};
+
+/* used as bit number in atomic bitops */
+#define PHY_SHARED_F_INIT_DONE 0
+#define PHY_SHARED_F_PROBE_DONE 1
+
+/**
+ * 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
*/
@@ -196,55 +304,93 @@
const char *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);
+ /** @reset: Perform a reset of the bus */
int (*reset)(struct mii_bus *bus);
- /*
- * A lock to ensure that only one thing can read/write
+ /** @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;
+
+ /** @dev: Kernel device representation */
struct device dev;
- /* list of all PHYs on bus */
+ /** @mdio_map: list of all MDIO devices on bus */
struct mdio_device *mdio_map[PHY_MAX_ADDR];
- /* PHY addresses to be ignored when probing */
+ /** @phy_mask: PHY addresses to be ignored when probing */
u32 phy_mask;
- /* PHY addresses to ignore the TA/read failure */
+ /** @phy_ignore_ta_mask: PHY addresses to ignore the TA/read failure */
u32 phy_ignore_ta_mask;
- /*
- * An array of interrupts, each PHY's interrupt at the index
+ /**
+ * @irq: An array of interrupts, each PHY's interrupt at the index
* matching its address
*/
int irq[PHY_MAX_ADDR];
- /* GPIO reset pulse width in microseconds */
+ /** @reset_delay_us: GPIO reset pulse width in microseconds */
int reset_delay_us;
- /* RESET GPIO descriptor pointer */
+ /** @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;
+
+ /** @probe_capabilities: bus capabilities, used for probing */
+ enum {
+ MDIOBUS_NO_CAP = 0,
+ MDIOBUS_C22,
+ MDIOBUS_C45,
+ MDIOBUS_C22_C45,
+ } probe_capabilities;
+
+ /** @shared_lock: protect access to the shared element */
+ struct mutex shared_lock;
+
+ /** @shared: shared state across different PHYs */
+ struct phy_package_shared *shared[PHY_MAX_ADDR];
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
-struct mii_bus *mdiobus_alloc_size(size_t);
+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.
+ */
static inline struct mii_bus *mdiobus_alloc(void)
{
return mdiobus_alloc_size(0);
}
int __mdiobus_register(struct mii_bus *bus, struct module *owner);
+int __devm_mdiobus_register(struct device *dev, struct mii_bus *bus,
+ struct module *owner);
#define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
+#define devm_mdiobus_register(dev, bus) \
+ __devm_mdiobus_register(dev, bus, THIS_MODULE)
+
void mdiobus_unregister(struct mii_bus *bus);
void mdiobus_free(struct mii_bus *bus);
struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
@@ -253,143 +399,137 @@
return devm_mdiobus_alloc_size(dev, 0);
}
-void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
+struct mii_bus *mdio_find_bus(const char *mdio_name);
struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
-#define PHY_INTERRUPT_DISABLED 0x0
-#define PHY_INTERRUPT_ENABLED 0x80000000
+#define PHY_INTERRUPT_DISABLED false
+#define PHY_INTERRUPT_ENABLED true
-/* PHY state machine states:
+/**
+ * enum phy_state - PHY state machine states:
*
- * DOWN: PHY device and driver are not ready for anything. probe
+ * @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, depending on the PHY, set
- * the state to STARTING or READY
+ * - PHY driver probe function will set the state to @PHY_READY
*
- * STARTING: PHY device is coming up, and the ethernet driver is
- * not ready. PHY drivers may set this in the probe function.
- * If they do, they are responsible for making sure the state is
- * eventually set to indicate whether the PHY is UP or READY,
- * depending on the state when the PHY is done starting up.
- * - PHY driver will set the state to READY
- * - start will set the state to PENDING
- *
- * READY: PHY is ready to send and receive packets, but the
+ * @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(). If the PHY
- * driver knows the PHY is ready, and the PHY state is STARTING,
- * then it sets this STATE.
+ * probe will be set to this state by phy_probe().
* - start will set the state to UP
*
- * PENDING: PHY device is coming up, but the ethernet driver is
- * ready. phy_start will set this state if the PHY state is
- * STARTING.
- * - PHY driver will set the state to UP when the PHY is ready
- *
- * UP: The PHY and attached device are ready to do work.
+ * @PHY_UP: The PHY and attached device are ready to do work.
* Interrupts should be started here.
- * - timer moves to AN
+ * - timer moves to @PHY_NOLINK or @PHY_RUNNING
*
- * AN: The PHY is currently negotiating the link state. Link is
- * therefore down for now. phy_timer will set this state when it
- * detects the state is UP. config_aneg will set this state
- * whenever called with phydev->autoneg set to AUTONEG_ENABLE.
- * - If autonegotiation finishes, but there's no link, it sets
- * the state to NOLINK.
- * - If aneg finishes with link, it sets the state to RUNNING,
- * and calls adjust_link
- * - If autonegotiation did not finish after an arbitrary amount
- * of time, autonegotiation should be tried again if the PHY
- * supports "magic" autonegotiation (back to AN)
- * - If it didn't finish, and no magic_aneg, move to FORCING.
+ * @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
*
- * NOLINK: PHY is up, but not currently plugged in.
- * - If the timer notes that the link comes back, we move to RUNNING
- * - config_aneg moves to AN
- * - phy_stop moves to HALTED
- *
- * FORCING: PHY is being configured with forced settings
- * - if link is up, move to RUNNING
- * - If link is down, we drop to the next highest setting, and
- * retry (FORCING) after a timeout
- * - phy_stop moves to HALTED
- *
- * RUNNING: PHY is currently up, running, and possibly sending
+ * @PHY_RUNNING: PHY is currently up, running, and possibly sending
* and/or receiving packets
- * - timer will set CHANGELINK if we're polling (this ensures the
- * link state is polled every other cycle of this state machine,
- * which makes it every other second)
- * - irq will set CHANGELINK
- * - config_aneg will set AN
- * - phy_stop moves to HALTED
+ * - irq or timer will set @PHY_NOLINK if link goes down
+ * - phy_stop moves to @PHY_HALTED
*
- * CHANGELINK: PHY experienced a change in link state
- * - timer moves to RUNNING if link
- * - timer moves to NOLINK if the link is down
- * - phy_stop moves to 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
*
- * HALTED: PHY is up, but no polling or interrupts are done. Or
+ * @PHY_HALTED: PHY is up, but no polling or interrupts are done. Or
* PHY is in an error state.
- *
- * - phy_start moves to RESUMING
- *
- * RESUMING: PHY was halted, but now wants to run again.
- * - If we are forcing, or aneg is done, timer moves to RUNNING
- * - If aneg is not done, timer moves to AN
- * - phy_stop moves to HALTED
+ * - phy_start moves to @PHY_UP
*/
enum phy_state {
PHY_DOWN = 0,
- PHY_STARTING,
PHY_READY,
- PHY_PENDING,
+ PHY_HALTED,
PHY_UP,
- PHY_AN,
PHY_RUNNING,
PHY_NOLINK,
- PHY_FORCING,
- PHY_CHANGELINK,
- PHY_HALTED,
- PHY_RESUMING
+ PHY_CABLETEST,
};
+
+#define MDIO_MMD_NUM 32
/**
* struct phy_c45_device_ids - 802.3-c45 Device Identifiers
- * @devices_in_package: Bit vector of devices present.
+ * @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 device_ids[8];
+ u32 mmds_present;
+ u32 device_ids[MDIO_MMD_NUM];
};
-/* phy_device: An instance of a PHY
+struct macsec_context;
+struct macsec_ops;
+
+/**
+ * struct phy_device - An instance of a PHY
*
- * drv: Pointer to the driver for this PHY instance
- * phy_id: UID for this device found during discovery
- * c45_ids: 802.3-c45 Device Identifers 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.
- * 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.
- * state: state of the PHY for management purposes
- * dev_flags: Device-specific flags used by the PHY driver.
- * link_timeout: The number of timer firings to wait before the
- * giving up on the current attempt at acquiring a link
- * irq: IRQ number of the PHY's interrupt (-1 if none)
- * phy_timer: The timer for handling the state machine
- * phy_queue: A work_queue for the phy_mac_interrupt
- * 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.
+ * @mdio: MDIO bus this PHY is on
+ * @drv: Pointer to the driver for this PHY instance
+ * @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.
+ * @state: State of the PHY for management purposes
+ * @dev_flags: Device-specific flags used by the PHY driver.
+ * @irq: IRQ number of the PHY's interrupt (-1 if none)
+ * @phy_timer: The timer for handling the state machine
+ * @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, duplex, pause, supported, advertising, lp_advertising,
- * and autoneg are used like in mii_if_info
+ * @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
+ * @lp_advertising: Current link partner advertised linkmodes
+ * @eee_broken_modes: Energy efficient ethernet modes which should be prohibited
+ * @autoneg: Flag autoneg being used
+ * @link: Current link state
+ * @autoneg_complete: Flag auto negotiation of the link has completed
+ * @mdix: Current crossover
+ * @mdix_ctrl: User setting of crossover
+ * @interrupts: Flag interrupts have been enabled
+ * @interface: enum phy_interface_t value
+ * @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
+ * @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
+ * @lock: Mutex for serialization access to PHY
+ * @state_queue: Work queue for state machine
+ * @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
@@ -411,15 +551,21 @@
unsigned is_c45:1;
unsigned is_internal:1;
unsigned is_pseudo_fixed_link:1;
+ unsigned is_gigabit_capable:1;
unsigned has_fixups:1;
unsigned suspended:1;
unsigned suspended_by_mdio_bus:1;
unsigned sysfs_links:1;
unsigned loopback_enabled:1;
+ unsigned downshifted_rate:1;
unsigned autoneg:1;
/* The most recently read link state */
unsigned link:1;
+ unsigned autoneg_complete:1;
+
+ /* Interrupts are enabled */
+ unsigned interrupts:1;
enum phy_state state;
@@ -433,22 +579,23 @@
*/
int speed;
int duplex;
+ int port;
int pause;
int asym_pause;
+ u8 master_slave_get;
+ u8 master_slave_set;
+ u8 master_slave_state;
- /* Enabled Interrupts */
- u32 interrupts;
-
- /* Union of PHY and Attached devices' supported modes */
- /* See mii.h for more info */
- u32 supported;
- u32 advertising;
- u32 lp_advertising;
+ /* 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);
/* Energy efficient ethernet modes which should be prohibited */
u32 eee_broken_modes;
-
- int link_timeout;
#ifdef CONFIG_LED_TRIGGER_PHY
struct phy_led_trigger *phy_led_triggers;
@@ -468,20 +615,37 @@
/* For use by PHYs to maintain extra state */
void *priv;
+ /* shared data pointer */
+ /* For use by PHYs inside the same package that need a shared state. */
+ struct phy_package_shared *shared;
+
+ /* Reporting cable test results */
+ struct sk_buff *skb;
+ void *ehdr;
+ struct nlattr *nest;
+
/* Interrupt and Polling infrastructure */
- struct work_struct phy_queue;
struct delayed_work state_queue;
struct mutex lock;
+ /* This may be modified under the rtnl lock */
+ bool sfp_bus_attached;
+ struct sfp_bus *sfp_bus;
struct phylink *phylink;
struct net_device *attached_dev;
+ struct mii_timestamper *mii_ts;
u8 mdix;
u8 mdix_ctrl;
- void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
+ void (*phy_link_change)(struct phy_device *phydev, bool up);
void (*adjust_link)(struct net_device *dev);
+
+#if IS_ENABLED(CONFIG_MACSEC)
+ /* MACsec management functions */
+ const struct macsec_ops *macsec_ops;
+#endif
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
@@ -491,18 +655,41 @@
#define to_phy_device(d) container_of(to_mdio_device(d), \
struct phy_device, mdio)
-/* struct phy_driver: Driver structure for a particular PHY type
+/**
+ * struct phy_tdr_config - Configuration of a TDR raw test
*
- * driver_data: static driver data
- * phy_id: The result of reading the UID registers of this PHY
+ * @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
+
+/**
+ * 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 list of features (speed, duplex, etc) supported
- * by this PHY
- * flags: A bitfield defining certain other features this PHY
+ * @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.
@@ -517,159 +704,186 @@
u32 phy_id;
char *name;
u32 phy_id_mask;
- u32 features;
+ const unsigned long * const features;
u32 flags;
const void *driver_data;
- /*
- * Called to issue a PHY software reset
+ /**
+ * @soft_reset: Called to issue a PHY software reset
*/
int (*soft_reset)(struct phy_device *phydev);
- /*
- * Called to initialize the PHY,
+ /**
+ * @config_init: Called to initialize the PHY,
* including after a reset
*/
int (*config_init)(struct phy_device *phydev);
- /*
- * Called during discovery. Used to set
+ /**
+ * @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);
+
/* 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);
- /*
- * Configures the advertisement and resets
+ /**
+ * @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);
- /* Determines the auto negotiation result */
+ /** @aneg_done: Determines the auto negotiation result */
int (*aneg_done)(struct phy_device *phydev);
- /* Determines the negotiated speed and duplex */
+ /** @read_status: Determines the negotiated speed and duplex */
int (*read_status)(struct phy_device *phydev);
- /* Clears any pending interrupts */
+ /** @ack_interrupt: Clears any pending interrupts */
int (*ack_interrupt)(struct phy_device *phydev);
- /* Enables or disables interrupts */
+ /** @config_intr: Enables or disables interrupts */
int (*config_intr)(struct phy_device *phydev);
- /*
- * Checks if the PHY generated an interrupt.
+ /**
+ * @did_interrupt: Checks if the PHY generated an interrupt.
* For multi-PHY devices with shared PHY interrupt pin
+ * Set interrupt bits have to be cleared.
*/
int (*did_interrupt)(struct phy_device *phydev);
- /* Clears up any memory if needed */
+ /** @handle_interrupt: Override default interrupt handling */
+ irqreturn_t (*handle_interrupt)(struct phy_device *phydev);
+
+ /** @remove: Clears up any memory if needed */
void (*remove)(struct phy_device *phydev);
- /* Returns true if this is a suitable driver for the given
- * phydev. If NULL, matching is based on phy_id and
- * phy_id_mask.
+ /**
+ * @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);
- /* Handles ethtool queries for hardware time stamping. */
- int (*ts_info)(struct phy_device *phydev, struct ethtool_ts_info *ti);
-
- /* Handles SIOCSHWTSTAMP ioctl for hardware time stamping. */
- int (*hwtstamp)(struct phy_device *phydev, struct ifreq *ifr);
-
- /*
- * Requests a Rx timestamp for 'skb'. If the skb is accepted,
- * the phy driver promises to deliver it using netif_rx() as
- * soon as a timestamp becomes available. One of the
- * PTP_CLASS_ values is passed in 'type'. The function must
- * return true if the skb is accepted for delivery.
+ /**
+ * @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.
*/
- bool (*rxtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
-
- /*
- * Requests a Tx timestamp for 'skb'. The phy driver promises
- * to deliver it using skb_complete_tx_timestamp() as soon as a
- * timestamp becomes available. One of the PTP_CLASS_ values
- * is passed in 'type'.
- */
- void (*txtstamp)(struct phy_device *dev, struct sk_buff *skb, int type);
-
- /* 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);
- /* See set_wol, but for checking whether Wake on LAN is enabled. */
+ /**
+ * @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);
- /*
- * 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
+ /**
+ * @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);
- /*
- * 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.
+ /**
+ * @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);
- /*
- * 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.
+ /**
+ * @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);
- /* Get the size and type of the eeprom contained within a plug-in
- * module */
+ /**
+ * @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);
- /* Get the eeprom information from the plug-in module */
+ /**
+ * @module_eeprom: Get the eeprom information from the plug-in
+ * module
+ */
int (*module_eeprom)(struct phy_device *dev,
struct ethtool_eeprom *ee, u8 *data);
- /* Get statistics from the phy using ethtool */
+ /** @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,
+ const struct 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_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,
const void *data);
+ /** @set_loopback: Set the loopback mood of the PHY */
int (*set_loopback)(struct phy_device *dev, bool enable);
+ /** @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);
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
-
};
#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv)
@@ -704,22 +918,25 @@
const struct phy_setting *
phy_lookup_setting(int speed, int duplex, const unsigned long *mask,
- size_t maxbit, bool exact);
+ bool exact);
size_t phy_speeds(unsigned int *speeds, size_t size,
- unsigned long *mask, size_t maxbit);
-
-void phy_resolve_aneg_linkmode(struct phy_device *phydev);
+ unsigned long *mask);
+void of_set_phy_supported(struct phy_device *phydev);
+void of_set_phy_eee_broken(struct phy_device *phydev);
+int phy_speed_down_core(struct phy_device *phydev);
/**
- * phy_read_mmd - Convenience function for reading a register
- * from an MMD on a given PHY.
+ * phy_is_started - Convenience function to check whether PHY is started
* @phydev: The phy_device struct
- * @devad: The MMD to read from
- * @regnum: The register on the MMD to read
- *
- * Same rules as for phy_read();
*/
-int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum);
+static inline bool phy_is_started(struct phy_device *phydev)
+{
+ return phydev->state >= PHY_UP;
+}
+
+void phy_resolve_aneg_pause(struct phy_device *phydev);
+void phy_resolve_aneg_linkmode(struct phy_device *phydev);
+void phy_check_downshift(struct phy_device *phydev);
/**
* phy_read - Convenience function for reading a given PHY register
@@ -734,6 +951,19 @@
{
return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, regnum);
}
+
+#define phy_read_poll_timeout(phydev, regnum, val, cond, sleep_us, \
+ timeout_us, sleep_before_read) \
+({ \
+ int __ret = read_poll_timeout(phy_read, val, (cond) || val < 0, \
+ sleep_us, timeout_us, sleep_before_read, phydev, regnum); \
+ if (val < 0) \
+ __ret = val; \
+ if (__ret) \
+ phydev_err(phydev, "%s failed: %d\n", __func__, __ret); \
+ __ret; \
+})
+
/**
* __phy_read - convenience function for reading a given PHY register
@@ -776,8 +1006,95 @@
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
+ */
+static inline int __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). Should be less than ~20ms since usleep_range
+ * is used (see Documentation/timers/timers-howto.rst).
+ * @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 = read_poll_timeout(phy_read_mmd, val, (cond) || val < 0, \
+ 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
@@ -829,6 +1146,66 @@
}
/**
+ * __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.
+ */
+static inline int __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.
+ */
+static inline int __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
+ */
+static inline int 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
+ */
+static inline int 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
*
@@ -847,7 +1224,71 @@
*/
static inline bool phy_polling_mode(struct phy_device *phydev)
{
+ if (phydev->state == PHY_CABLETEST)
+ if (phydev->drv->flags & PHY_POLL_CABLE_TEST)
+ return true;
+
return phydev->irq == PHY_POLL;
+}
+
+/**
+ * phy_has_hwtstamp - Tests whether a PHY time stamp configuration.
+ * @phydev: the phy_device struct
+ */
+static inline bool 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
+ */
+static inline bool phy_has_rxtstamp(struct phy_device *phydev)
+{
+ return phydev && phydev->mii_ts && phydev->mii_ts->rxtstamp;
+}
+
+/**
+ * phy_has_tsinfo - Tests whether a PHY reports time stamping and/or
+ * PTP hardware clock capabilities.
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_has_tsinfo(struct phy_device *phydev)
+{
+ return phydev && phydev->mii_ts && phydev->mii_ts->ts_info;
+}
+
+/**
+ * phy_has_txtstamp - Tests whether a PHY supports transmit time stamping.
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_has_txtstamp(struct phy_device *phydev)
+{
+ return phydev && phydev->mii_ts && phydev->mii_ts->txtstamp;
+}
+
+static inline int phy_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+{
+ return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr);
+}
+
+static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb,
+ int type)
+{
+ return phydev->mii_ts->rxtstamp(phydev->mii_ts, skb, type);
+}
+
+static inline int phy_ts_info(struct phy_device *phydev,
+ struct ethtool_ts_info *tsinfo)
+{
+ return phydev->mii_ts->ts_info(phydev->mii_ts, tsinfo);
+}
+
+static inline void phy_txtstamp(struct phy_device *phydev, struct sk_buff *skb,
+ int type)
+{
+ phydev->mii_ts->txtstamp(phydev->mii_ts, skb, type);
}
/**
@@ -862,7 +1303,7 @@
/**
* phy_interface_mode_is_rgmii - Convenience function for testing if a
* PHY interface mode is RGMII (all variants)
- * @mode: the phy_interface_t enum
+ * @mode: the &phy_interface_t enum
*/
static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode)
{
@@ -871,11 +1312,11 @@
};
/**
- * phy_interface_mode_is_8023z() - does the phy interface mode use 802.3z
+ * 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
+ * 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)
*/
static inline bool phy_interface_mode_is_8023z(phy_interface_t mode)
@@ -894,7 +1335,7 @@
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
@@ -904,27 +1345,17 @@
return phydev->is_pseudo_fixed_link;
}
-/**
- * phy_write_mmd - Convenience function for writing a register
- * on an MMD on a given PHY.
- * @phydev: The phy_device struct
- * @devad: The MMD to read from
- * @regnum: The register on the MMD to read
- * @val: value to write to @regnum
- *
- * Same rules as for phy_write();
- */
-int phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
-
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, int phy_id,
+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);
#if IS_ENABLED(CONFIG_PHYLIB)
@@ -951,6 +1382,10 @@
int phy_resume(struct phy_device *phydev);
int __phy_resume(struct phy_device *phydev);
int phy_loopback(struct phy_device *phydev, bool enable);
+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,
+ const struct sfp_upstream_ops *ops);
struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
phy_interface_t interface);
struct phy_device *phy_find_first(struct mii_bus *bus);
@@ -971,9 +1406,36 @@
int phy_speed_down(struct phy_device *phydev, bool sync);
int phy_speed_up(struct phy_device *phydev);
-int phy_stop_interrupts(struct phy_device *phydev);
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,
+ const struct phy_tdr_config *config);
+#else
+static inline
+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;
+}
+static inline
+int phy_start_cable_test_tdr(struct phy_device *phydev,
+ struct netlink_ext_ack *extack,
+ const struct phy_tdr_config *config)
+{
+ NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support");
+ return -EOPNOTSUPP;
+}
+#endif
+
+int phy_cable_test_result(struct phy_device *phydev, u8 pair, u16 result);
+int phy_cable_test_fault_length(struct phy_device *phydev, u8 pair,
+ u16 cm);
static inline void phy_device_reset(struct phy_device *phydev, int value)
{
@@ -983,6 +1445,12 @@
#define phydev_err(_phydev, format, args...) \
dev_err(&_phydev->mdio.dev, 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)
@@ -991,23 +1459,49 @@
return dev_name(&phydev->mdio.dev);
}
+static inline void phy_lock_mdio_bus(struct phy_device *phydev)
+{
+ mutex_lock(&phydev->mdio.bus->mdio_lock);
+}
+
+static inline void phy_unlock_mdio_bus(struct phy_device *phydev)
+{
+ mutex_unlock(&phydev->mdio.bus->mdio_lock);
+}
+
void phy_attached_print(struct phy_device *phydev, const char *fmt, ...)
__printf(2, 3);
+char *phy_attached_info_irq(struct phy_device *phydev)
+ __malloc;
void phy_attached_info(struct phy_device *phydev);
/* Clause 22 PHY */
-int genphy_config_init(struct phy_device *phydev);
+int genphy_read_abilities(struct phy_device *phydev);
int genphy_setup_forced(struct phy_device *phydev);
int genphy_restart_aneg(struct phy_device *phydev);
-int genphy_config_aneg(struct phy_device *phydev);
+int genphy_check_and_restart_aneg(struct phy_device *phydev, bool restart);
+int genphy_config_eee_advert(struct phy_device *phydev);
+int __genphy_config_aneg(struct phy_device *phydev, bool changed);
int genphy_aneg_done(struct phy_device *phydev);
int genphy_update_link(struct phy_device *phydev);
+int genphy_read_lpa(struct phy_device *phydev);
+int genphy_read_status_fixed(struct phy_device *phydev);
int genphy_read_status(struct phy_device *phydev);
int genphy_suspend(struct phy_device *phydev);
int genphy_resume(struct phy_device *phydev);
int genphy_loopback(struct phy_device *phydev, bool enable);
int genphy_soft_reset(struct phy_device *phydev);
-static inline int genphy_no_soft_reset(struct phy_device *phydev)
+
+static inline int genphy_config_aneg(struct phy_device *phydev)
+{
+ return __genphy_config_aneg(phydev, false);
+}
+
+static inline int genphy_no_ack_interrupt(struct phy_device *phydev)
+{
+ return 0;
+}
+static inline int genphy_no_config_intr(struct phy_device *phydev)
{
return 0;
}
@@ -1016,23 +1510,30 @@
int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum,
u16 regnum, u16 val);
+/* Clause 37 */
+int genphy_c37_config_aneg(struct phy_device *phydev);
+int genphy_c37_read_status(struct phy_device *phydev);
+
/* Clause 45 PHY */
int genphy_c45_restart_aneg(struct phy_device *phydev);
+int genphy_c45_check_and_restart_aneg(struct phy_device *phydev, bool restart);
int genphy_c45_aneg_done(struct phy_device *phydev);
-int genphy_c45_read_link(struct phy_device *phydev, u32 mmd_mask);
+int genphy_c45_read_link(struct phy_device *phydev);
int genphy_c45_read_lpa(struct phy_device *phydev);
int genphy_c45_read_pma(struct phy_device *phydev);
int genphy_c45_pma_setup_forced(struct phy_device *phydev);
+int genphy_c45_an_config_aneg(struct phy_device *phydev);
int genphy_c45_an_disable_aneg(struct phy_device *phydev);
int genphy_c45_read_mdix(struct phy_device *phydev);
+int genphy_c45_pma_read_abilities(struct phy_device *phydev);
+int genphy_c45_read_status(struct phy_device *phydev);
+int genphy_c45_config_aneg(struct phy_device *phydev);
+
+/* Generic C45 PHY driver */
+extern struct phy_driver genphy_c45_driver;
/* The gen10g_* functions are the old Clause 45 stub */
int gen10g_config_aneg(struct phy_device *phydev);
-int gen10g_read_status(struct phy_device *phydev);
-int gen10g_no_soft_reset(struct phy_device *phydev);
-int gen10g_config_init(struct phy_device *phydev);
-int gen10g_suspend(struct phy_device *phydev);
-int gen10g_resume(struct phy_device *phydev);
static inline int phy_read_status(struct phy_device *phydev)
{
@@ -1051,20 +1552,38 @@
int phy_drivers_register(struct phy_driver *new_driver, int n,
struct module *owner);
void phy_state_machine(struct work_struct *work);
-void phy_change_work(struct work_struct *work);
+void phy_queue_state_machine(struct phy_device *phydev, unsigned long jiffies);
void phy_mac_interrupt(struct phy_device *phydev);
void phy_start_machine(struct phy_device *phydev);
void phy_stop_machine(struct phy_device *phydev);
-void phy_trigger_machine(struct phy_device *phydev, bool sync);
-int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd);
void phy_ethtool_ksettings_get(struct phy_device *phydev,
struct ethtool_link_ksettings *cmd);
int phy_ethtool_ksettings_set(struct phy_device *phydev,
const struct ethtool_link_ksettings *cmd);
int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd);
-int phy_start_interrupts(struct phy_device *phydev);
+int phy_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+int phy_do_ioctl_running(struct net_device *dev, struct ifreq *ifr, int cmd);
+int phy_disable_interrupts(struct phy_device *phydev);
+void phy_request_interrupt(struct phy_device *phydev);
+void phy_free_interrupt(struct phy_device *phydev);
void phy_print_status(struct phy_device *phydev);
int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
+void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode);
+void phy_advertise_supported(struct phy_device *phydev);
+void phy_support_sym_pause(struct phy_device *phydev);
+void phy_support_asym_pause(struct phy_device *phydev);
+void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx,
+ bool autoneg);
+void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx);
+bool phy_validate_pause(struct phy_device *phydev,
+ struct ethtool_pauseparam *pp);
+void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause);
+
+s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev,
+ const int *delay_values, int size, bool is_rx);
+
+void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv,
+ bool *tx_pause, bool *rx_pause);
int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
int (*run)(struct phy_device *));
@@ -1089,56 +1608,82 @@
int phy_ethtool_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd);
int phy_ethtool_nway_reset(struct net_device *ndev);
+int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size);
+void phy_package_leave(struct phy_device *phydev);
+int devm_phy_package_join(struct device *dev, struct phy_device *phydev,
+ int addr, size_t priv_size);
#if IS_ENABLED(CONFIG_PHYLIB)
int __init mdio_bus_init(void);
void mdio_bus_exit(void);
#endif
-/* Inline function for use within net/core/ethtool.c (built-in) */
-static inline int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data)
+int phy_ethtool_get_strings(struct phy_device *phydev, u8 *data);
+int phy_ethtool_get_sset_count(struct phy_device *phydev);
+int phy_ethtool_get_stats(struct phy_device *phydev,
+ struct ethtool_stats *stats, u64 *data);
+
+static inline int phy_package_read(struct phy_device *phydev, u32 regnum)
{
- if (!phydev->drv)
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
return -EIO;
- mutex_lock(&phydev->lock);
- phydev->drv->get_strings(phydev, data);
- mutex_unlock(&phydev->lock);
-
- return 0;
+ return mdiobus_read(phydev->mdio.bus, shared->addr, regnum);
}
-static inline int phy_ethtool_get_sset_count(struct phy_device *phydev)
+static inline int __phy_package_read(struct phy_device *phydev, u32 regnum)
{
- int ret;
+ struct phy_package_shared *shared = phydev->shared;
- if (!phydev->drv)
+ if (!shared)
return -EIO;
- if (phydev->drv->get_sset_count &&
- phydev->drv->get_strings &&
- phydev->drv->get_stats) {
- mutex_lock(&phydev->lock);
- ret = phydev->drv->get_sset_count(phydev);
- mutex_unlock(&phydev->lock);
-
- return ret;
- }
-
- return -EOPNOTSUPP;
+ return __mdiobus_read(phydev->mdio.bus, shared->addr, regnum);
}
-static inline int phy_ethtool_get_stats(struct phy_device *phydev,
- struct ethtool_stats *stats, u64 *data)
+static inline int phy_package_write(struct phy_device *phydev,
+ u32 regnum, u16 val)
{
- if (!phydev->drv)
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
return -EIO;
- mutex_lock(&phydev->lock);
- phydev->drv->get_stats(phydev, stats, data);
- mutex_unlock(&phydev->lock);
+ return mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val);
+}
- return 0;
+static inline int __phy_package_write(struct phy_device *phydev,
+ u32 regnum, u16 val)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return -EIO;
+
+ return __mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val);
+}
+
+static inline bool __phy_package_set_once(struct phy_device *phydev,
+ unsigned int b)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return false;
+
+ return !test_and_set_bit(b, &shared->flags);
+}
+
+static inline bool phy_package_init_once(struct phy_device *phydev)
+{
+ return __phy_package_set_once(phydev, PHY_SHARED_F_INIT_DONE);
+}
+
+static inline bool phy_package_probe_once(struct phy_device *phydev)
+{
+ return __phy_package_set_once(phydev, PHY_SHARED_F_PROBE_DONE);
}
extern struct bus_type mdio_bus_type;
@@ -1163,8 +1708,9 @@
/**
- * module_phy_driver() - Helper macro for registering PHY drivers
+ * phy_module_driver() - Helper macro for registering PHY drivers
* @__phy_drivers: array of PHY drivers to register
+ * @__count: Numbers of members in array
*
* Helper macro for PHY drivers which do not do anything special in module
* init/exit. Each module may only use this macro once, and calling it
@@ -1185,4 +1731,7 @@
#define module_phy_driver(__phy_drivers) \
phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))
+bool phy_driver_is_genphy(struct phy_device *phydev);
+bool phy_driver_is_genphy_10g(struct phy_device *phydev);
+
#endif /* __PHY_H */
--
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