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2022-06-21net: all drivers updateRussell King (Oracle)
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: pass mode into pcs_validate()Russell King (Oracle)
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: pass mode into phylink_validate()Russell King (Oracle)
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: use phylink_mode_*() helpersRussell King (Oracle)
Use the phylink_mode_*() helpers in all drivers so we can change the definition of the "mode" argument. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: allow PCS to override MAC validationRussell King (Oracle)
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: validate only used interfaces for c45 PHYsRussell King (Oracle)
Some clause 45 PHYs such as Marvell 88X33x0 and Broadcom 84881 switch between a set of interface types depending on the negotiated media speed. We currently validate this kind of PHY using all MAC capabilities, which is not correct if that would give a superset of the ethtool link modes. This commit uses the previously introduced phy possible_interfaces, and the recently introduced supported_interfaces to calculate the union of interface support, and then validates only those interfaces. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: split out PHY validation from phylink_bringup_phy()Russell King (Oracle)
When bringing up a PHY, we need to work out which ethtool link modes it should support and advertise. Clause 22 PHYs operate in a single interface mode, which can be easily dealt with. However, clause 45 PHYs tend to switch interface mode depending on the media. We need more flexible validation at this point, so this patch splits out that code in preparation to changing it. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: bcm84881: fill in possible_interfacesRussell King (Oracle)
Fill in the possible_interfaces member. This PHY driver only supports a single configuration found on SFPs. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: marvell10g: fill in possible_interfacesRussell King (Oracle)
Fill in the possible_interfaces member according to the selected mactype mode. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: marvell10g: table driven mactype decodeRussell King (Oracle)
Replace the code-based mactype decode with a table driven approach. This will allow us to fill in the possible_interfaces cleanly. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: ocelot: use phylink_validate_mask_caps()Russell King (Oracle)
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: provide phylink_validate_mask_caps() helperRussell King (Oracle)
Provide a helper that restricts the link modes according to the phylink capabilities. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: use phy interface mode bitmapsRussell King
Use the phy interface mode bitmaps for SFP modules and PHYs to select the operating interface for SFPs and PHYs with SFPs. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: add supported_interfaces to marvell10g PHYsRussell King
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: add supported_interfaces to marvell PHYsRussell King
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: add supported_interfaces to bcm84881Russell King
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: sfp: display SFP module information [*not for mainline*]Russell King
Display SFP module information verbosely, splitting the generic parts into a separate file. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2022-06-21net: sfp: add sfp+ compatible [*not for mainline*]Russell King
Add a compatible for SFP+ cages. SFP+ cages are backwards compatible, but the ethernet device behind them may not support the slower speeds of SFP modules. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: sfp: add support for cooled SFP+ transceiversRussell King
Cooled SFP+ transceivers need a longer initialisation (startup) time. Select the initialisation time depending on the cooled option bit. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: make phy_error() report which PHY has failedRussell King
phy_error() is called from phy_interrupt() or phy_state_machine(), and uses WARN_ON() to print a backtrace. The backtrace is not useful when reporting a PHY error. However, a system may contain multiple ethernet PHYs, and phy_error() gives no clue which one caused the problem. Replace WARN_ON() with a call to phydev_err() so that we can see which PHY had an error, and also inform the user that we are halting the PHY. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: marvell10g: allow PHY to probe without firmwareRussell King
Allow the PHY to probe when there is no firmware, but do not allow the link to come up by forcing the PHY state to PHY_HALTED in a similar way to phy_error(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: provide phy driver start/stop hooksRussell King
Provide phy driver start/stop hooks so that the PHY driver knows when the network driver is starting or stopping. This will be used for the Marvell 10G driver so that we can sanely refuse to start if the PHYs firmware is not present, and also so that we can sanely support SFPs behind the PHY. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: marvell*: add support for hw resolved pause modesRussell King
Support reporting the hardware resolved pause enablement states via phylib, overriding our software implementation. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: add resolved pause support [*not for mainline*]Russell King
Allow phylib drivers to pass the hardware-resolved pause state to MAC drivers, rather than using the software-based pause resolution code. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: marvell10g: add support for configuring LEDsRussell King
Add support for configuring the LEDs. Macchiatobin has an oddity in that the left LED goes out when the cable is connected, and flashes when there's link activity. This is because the reset default for the LED outputs assume that the LED is connected to supply, not to ground. Add support for configuring the LED modes and polarities. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phy: add helpers for comparing phy IDsRussell King
There are several places which open code comparing PHY IDs. Provide a couple of helpers to assist with this, using a slightly simpler test than the original: - phy_id_compare() compares two arbitary PHY IDs and a mask of the significant bits in the ID. - phydev_id_compare() compares the bound phydev with the specified PHY ID, using the bound driver's mask. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: bcm_sf2: fix pause mode validationRussell King
The implementation appears not to appear to support pause modes on anything but RGMII, RGMII_TXID, MII and REVMII interface modes. Let phylink know that detail. Moreover, RGMII_RXID and RGMII_ID appears to be unsupported. (This may not be correct; particularly see the FIXMEs in this patch.) Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: dpaa2-mac: populate supported_interfaces member (3)Russell King
Populate the phy interface mode bitmap for the Freescale DPAA2 driver with interfaces modes supported by the MAC. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: pcs: xpcs: use mdiodev accessorsRussell King (Oracle)
Use mdiodev accessors rather than accessing the bus and address in the mdio_device structure and using the mdiobus accessors. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: remove calls to phylink_generic_validate()Russell King (Oracle)
All conventional network drivers are now converted to use phylink_generic_validate() - only DSA drivers remain. Prepare to move the MAC based validation entirely within phylink by defaulting to phylink_generic_validate() when the .validate method is NULL. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: add QSGMII support to phylink_mii_c22_pcs_encode_advertisement()Russell King (Oracle)
The QSGMII MAC-to-PHY reply is the same as the SGMII MAC-to-PHY reply. Add support for this to phylink_mii_c22_pcs_encode_advertisement(). Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: rename phylink_sfp_config()Russell King (Oracle)
phylink_sfp_config() now only deals with configuring the MAC for a SFP containing a PHY. Rename it to be specific. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: use phy_interface_t bitmaps for optical modulesRussell King
Where a MAC provides a phy_interface_t bitmap, use these bitmaps to select the operating interface mode for optical SFP modules, rather than using the linkmode bitmaps. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: sfp: augment SFP parsing with phy_interface_t bitmapRussell King
We currently parse the SFP EEPROM to a bitmap of ethtool link modes, and then attempt to convert the link modes to a PHY interface mode. While this works at present, there are cases where this is sub-optimal. For example, where a module can operate with several different PHY interface modes. To start addressing this, arrange for the SFP EEPROM parsing to also provide a bitmap of the possible PHY interface modes. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: add ability to validate a set of interface modesRussell King (Oracle)
Rather than having the ability to validate all supported interface modes or a single interface mode, introduce the ability to validate a subset of supported modes. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: require supported_interfaces to be filledRussell King (Oracle)
Now that all MAC drivers supply a valid supported_interfaces mask, validate it and refuse drivers that do not. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: remove legacy mac_an_restart() methodRussell King (Oracle)
The mac_an_restart() method is now completely unused, and has been superseded by phylink_pcs support. Remove this method. Since phylink_pcs_mac_an_restart() now only deals with the PCS, rename the function to remove the _mac infix. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: remove legacy_pre_march2020 from driversRussell King (Oracle)
Since DSA no longer marks anything as phylink-legacy, there is now no need for DSA drivers to set this member to false. Remove all instances of this. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: cleanup after phylink_pcs conversionRussell King (Oracle)
Now that mv88e6xxx is completely converted to using phylink_pcs support, we have no need for the serdes methods. Remove all this infrastructure. Also remove the __maybe_unused from mv88e6xxx_pcs_select(). Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: convert 88e639x to phylink_pcsRussell King (Oracle)
Convert the 88E6390, 88E6390X, and 88E6393X family of switches to use the phylink_pcs infrastructure. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: convert 88e6352 to phylink_pcsRussell King
Convert the 88E6352 SERDES code to use the phylink_pcs infrastructure. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: convert 88e6185 to phylink_pcsRussell King (Oracle)
Convert the 88E6185 SERDES code to use the phylink_pcs infrastructure. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: export mv88e6xxx_pcs_decode_state()Russell King (Oracle)
Rename and export the PCS state decoding function so our PCS can make use of the functionality provided by this. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: add infrastructure for phylink_pcsRussell King (Oracle)
Add infrastructure for phylink_pcs to the mv88e6xxx driver. This involves adding a mac_select_pcs() hook so we can pass the PCS to phylink at the appropriate time, and a PCS initialisation function. As the various chip implementations are converted to use phylink_pcs, they are no longer reliant on the legacy phylink behaviour. We detect this by the use of this infrastructure, or the lack of any serdes. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: dsa: mv88e6xxx: move link forcing to mac_prepare/mac_finishRussell King (Oracle)
Move the link forcing out of mac_config() and into the mac_prepare() and mac_finish() methods. This results in no change to the order in which these operations are performed, but does mean when we convert mv88e6xxx to phylink_pcs support, we will continue to preserve this ordering. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: mdio: add unlocked mdiobus and mdiodev bus accessorsRussell King (Oracle)
Add the following unlocked accessors to complete the set: __mdiobus_modify() __mdiodev_read() __mdiodev_write() __mdiodev_modify() __mdiodev_modify_changed() which we will need for Marvell DSA PCS conversion. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: add pcs_pre_config()/pcs_post_config() methodsRussell King (Oracle)
Add hooks that are called before and after the mac_config() call, which will be needed to deal with errata workarounds for the Marvell 88e639x DSA switches. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: add pcs_enable()/pcs_disable() methodsRussell King (Oracle)
Add phylink PCS enable/disable callbacks that will allow us to place IEEE 802.3 register compliant PCS in power-down mode while not being used. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: disable PCS polling over major configurationRussell King (Oracle)
While we are performing a major configuration, there is no point having the PCS polling timer running. Stop it before we begin preparing for the configuration change, and restart it only once we've successfully completed the change. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-06-21net: phylink: remove pcs_ops memberRussell King (Oracle)
Remove the pcs_ops member from struct phylink, using the one stored in struct phylink_pcs instead. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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