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path: root/drivers/net/phy
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2025-03-18net: phy: phy_device: Use link_capabilities lookup for PHY aneg configMaxime Chevallier
When configuring PHY advertising with autoneg disabled, we lookd for an exact linkmode to advertise and configure for the requested Speed and Duplex, specially at or over 1G. Using phy_caps_lookup allows us to build a list of the supported linkmodes at that speed that we can advertise instead of the first mode that matches. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-9-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: phy_caps: Allow looking-up link caps based on speed and duplexMaxime Chevallier
As the link_caps array is efficient for <speed,duplex> lookups, implement a function for speed/duplex lookups that matches a given mask. This replicates to some extent the phy_lookup_settings() behaviour, matching full link_capabilities instead of a single linkmode. phy.c's phy_santize_settings() and phylink's phylink_ethtool_ksettings_set() performs such lookup using the phy_settings table, but are only interested in the actual speed/duplex that were matched, rathet than the individual linkmode. Similar to phy_lookup_settings(), the newly introduced phy_caps_lookup() will run through the link_caps[] array by descending speed/duplex order. If the link_capabilities for a given <speed/duplex> tuple intersects the passed linkmodes, we consider that a match. Similar to phy_lookup_settings(), we also allow passing an 'exact' boolean, allowing non-exact match. Here, we MUST always match the linkmodes mask, but we allow matching on lower speed settings. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-8-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: phy_caps: Implement link_capabilities lookup by linkmodeMaxime Chevallier
In several occasions, phylib needs to lookup a set of matching speed and duplex against a given linkmode set. Instead of relying on the phy_settings array and thus iterate over the whole linkmodes list, use the link_capabilities array to lookup these matches, as we aren't interested in the actual link setting that matches but rather the speed and duplex for that setting. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-7-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: phy_caps: Introduce phy_caps_validMaxime Chevallier
With the link_capabilities array, it's trivial to validate a given mask againts a <speed, duplex> tuple. Create a helper for that purpose, and use it to replace a phy_settings lookup in phy_check_valid(); Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-6-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: phy_caps: Move __set_linkmode_max_speed to phy_capsMaxime Chevallier
Convert the __set_linkmode_max_speed to use the link_capabilities array. This makes it easy to clamp the linkmodes to a given max speed. Introduce a new helper phy_caps_linkmode_max_speed to replace the previous one that used phy_settings. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-5-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: phy_caps: Move phy_speeds to phy_capsMaxime Chevallier
Use the newly introduced link_capabilities array to derive the list of possible speeds when given a combination of linkmodes. As link_capabilities is indexed by speed, we don't have to iterate the whole phy_settings array. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-4-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18net: phy: Use an internal, searchable storage for the linkmodesMaxime Chevallier
The canonical definition for all the link modes is in linux/ethtool.h, which is complemented by the link_mode_params array stored in net/ethtool/common.h . That array contains all the metadata about each of these modes, including the Speed and Duplex information. Phylib and phylink needs that information as well for internal management of the link, which was done by duplicating that information in locally-stored arrays and lookup functions. This makes it easy for developpers adding new modes to forget modifying phylib and phylink accordingly. However, the link_mode_params array in net/ethtool/common.c is fairly inefficient to search through, as it isn't sorted in any manner. Phylib and phylink perform a lot of lookup operations, mostly to filter modes by speed and/or duplex. We therefore introduce the link_caps private array in phy_caps.c, that indexes linkmodes in a more efficient manner. Each element associated a tuple <speed, duplex> to a bitfield of all the linkmodes runs at these speed/duplex. We end-up with an array that's fairly short, easily addressable and that it optimised for the typical use-cases of phylib/phylink. That array is initialized at the same time as phylib. As the link_mode_params array is part of the net stack, which phylink depends on, it should always be accessible from phylib. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Link: https://patch.msgid.link/20250307173611.129125-3-maxime.chevallier@bootlin.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-17net: phy: remove unused functions phy_package_[read|write]_mmdHeiner Kallweit
These functions have never had a user, so remove them. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/5792e2cd-6f0a-4f7d-a5ef-b932f94d82f3@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-17net: phy: move PHY package MMD access function declarations from phy.h to ↵Heiner Kallweit
phylib.h These functions are used by PHY drivers only, therefore move their declaration to phylib.h. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/406c8a20-b62e-4ee3-b174-b566724a0876@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netPaolo Abeni
Cross-merge networking fixes after downstream PR (net-6.14-rc6). Conflicts: tools/testing/selftests/drivers/net/ping.py 75cc19c8ff89 ("selftests: drv-net: add xdp cases for ping.py") de94e8697405 ("selftests: drv-net: store addresses in dict indexed by ipver") https://lore.kernel.org/netdev/20250311115758.17a1d414@canb.auug.org.au/ net/core/devmem.c a70f891e0fa0 ("net: devmem: do not WARN conditionally after netdev_rx_queue_restart()") 1d22d3060b9b ("net: drop rtnl_lock for queue_mgmt operations") https://lore.kernel.org/netdev/20250313114929.43744df1@canb.auug.org.au/ Adjacent changes: tools/testing/selftests/net/Makefile 6f50175ccad4 ("selftests: Add IPv6 link-local address generation tests for GRE devices.") 2e5584e0f913 ("selftests/net: expand cmsg_ipv6.sh with ipv4") drivers/net/ethernet/broadcom/bnxt/bnxt.c 661958552eda ("eth: bnxt: do not use BNXT_VNIC_NTUPLE unconditionally in queue restart logic") fe96d717d38e ("bnxt_en: Extend queue stop/start for TX rings") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-10rust: module: introduce `authors` keyGuilherme Giacomo Simoes
In the `module!` macro, the `author` field is currently of type `String`. Since modules can have multiple authors, this limitation prevents specifying more than one. Add an `authors` field as `Option<Vec<String>>` to allow creating modules with multiple authors, and change the documentation and all current users to use it. Eventually, the single `author` field may be removed. [ The `modinfo` key needs to still be `author`; otherwise, tooling may not work properly, e.g.: $ modinfo --author samples/rust/rust_print.ko Rust for Linux Contributors I have also kept the original `author` field (undocumented), so that we can drop it more easily in a kernel cycle or two. - Miguel ] Suggested-by: Miguel Ojeda <ojeda@kernel.org> Link: https://github.com/Rust-for-Linux/linux/issues/244 Reviewed-by: Charalampos Mitrodimas <charmitro@posteo.net> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Signed-off-by: Guilherme Giacomo Simoes <trintaeoitogc@gmail.com> Link: https://lore.kernel.org/r/20250309175712.845622-2-trintaeoitogc@gmail.com [ Fixed `modinfo` key. Kept `author` field. Reworded message accordingly. Updated my email. - Miguel ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2025-03-07net: phy: nxp-c45-tja11xx: add TJA112XB SGMII PCS restart errataAndrei Botila
TJA1120B/TJA1121B can achieve a stable operation of SGMII after a startup event by putting the SGMII PCS into power down mode and restart afterwards. It is necessary to put the SGMII PCS into power down mode and back up. Cc: stable@vger.kernel.org Fixes: f1fe5dff2b8a ("net: phy: nxp-c45-tja11xx: add TJA1120 support") Signed-off-by: Andrei Botila <andrei.botila@oss.nxp.com> Link: https://patch.msgid.link/20250304160619.181046-3-andrei.botila@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-07net: phy: nxp-c45-tja11xx: add TJA112X PHY configuration errataAndrei Botila
The most recent sillicon versions of TJA1120 and TJA1121 can achieve full silicon performance by putting the PHY in managed mode. It is necessary to apply these PHY writes before link gets established. Application of this fix is required after restart of device and wakeup from sleep. Cc: stable@vger.kernel.org Fixes: f1fe5dff2b8a ("net: phy: nxp-c45-tja11xx: add TJA1120 support") Signed-off-by: Andrei Botila <andrei.botila@oss.nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250304160619.181046-2-andrei.botila@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-07net: phy: tja11xx: enable PHY in sleep mode for TJA1102SDimitri Fedrau
Due to pin strapping the PHY maybe disabled per default. TJA1102 devices can be enabled by setting the PHY_EN bit. Support is provided for TJA1102S devices but can be easily added for TJA1102 too. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Link: https://patch.msgid.link/20250304-tja1102s-support-v2-2-cd3e61ab920f@liebherr.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-07net: phy: tja11xx: add support for TJA1102SDimitri Fedrau
NXPs TJA1102S is a single PHY version of the TJA1102 in which one of the PHYs is disabled. Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250304-tja1102s-support-v2-1-cd3e61ab920f@liebherr.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-07net: phylink: Remove unused phylink_init_eeeDr. David Alan Gilbert
phylink_init_eee() is currently unused. It was last added in 2019 by commit 86e58135bc4a ("net: phylink: add phylink_init_eee() helper") but it didn't actually wire a use up. It had previous been removed in 2017 by commit 939eae25d9a5 ("phylink: remove phylink_init_eee()"). Remove it again. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/20250306184534.246152-1-linux@treblig.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: remove remaining PHY package related definitions from phy.hHeiner Kallweit
Move definition of struct phy_package_shared to phy_package.c, and move remaining PHY package related declarations from phy.h to phylib.h, thus making them accessible for PHY drivers only. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/211e14b6-e2f8-43d7-b533-3628ec548456@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: move PHY package related code from phy.h to phy_package.cHeiner Kallweit
Move PHY package related inline functions from phy.h to phy_package.c. While doing so remove locked versions phy_package_read() and phy_package_write() which have no user. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/a4518379-7a5d-45f3-831c-b7fde6512c65@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: mscc: use new phy_package_shared gettersHeiner Kallweit
Use the new getters for members of struct phy_package_shared. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/61ee43ec-be20-4be1-bfad-d18d2a4fae2b@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: mediatek: use new phy_package_shared gettersHeiner Kallweit
Use the new getters for members of struct phy_package_shared. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/356a257f-68d0-47bc-a474-4dafaeaa149f@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: micrel: use new phy_package_shared gettersHeiner Kallweit
Use the new getters for members of struct phy_package_shared. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/18e5d29e-fb96-4771-92e4-689e0c992177@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: qca807x: use new phy_package_shared gettersHeiner Kallweit
Use the new getters for members of struct phy_package_shared. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/b6402789-45d2-49d6-835f-ed584bce5b2f@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: add getters for public members in struct phy_package_sharedHeiner Kallweit
Add getters for public members, this prepares for making struct phy_package_shared private to phylib. Declare the getters in a new header file phylib.h, which will be used by PHY drivers only. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/c6da0b27-4479-4717-9e16-643821b76bd8@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phy: move PHY package code from phy_device.c to own source fileHeiner Kallweit
This patch is the first step in moving the PHY package related code to its own source file. No functional change intended. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/57df5c19-fbcd-45a7-9afd-cd4f74d7fa76@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-05net: phylink: use pl->link_interface in phylink_expects_phy()Choong Yong Liang
The phylink_expects_phy() function allows MAC drivers to check if they are expecting a PHY to attach. The checking condition in phylink_expects_phy() aims to achieve the same result as the checking condition in phylink_attach_phy(). However, the checking condition in phylink_expects_phy() uses pl->link_config.interface, while phylink_attach_phy() uses pl->link_interface. Initially, both pl->link_interface and pl->link_config.interface are set to SGMII, and pl->cfg_link_an_mode is set to MLO_AN_INBAND. When the interface switches from SGMII to 2500BASE-X, pl->link_config.interface is updated by phylink_major_config(). At this point, pl->cfg_link_an_mode remains MLO_AN_INBAND, and pl->link_config.interface is set to 2500BASE-X. Subsequently, when the STMMAC interface is taken down administratively and brought back up, it is blocked by phylink_expects_phy(). Since phylink_expects_phy() and phylink_attach_phy() aim to achieve the same result, phylink_expects_phy() should check pl->link_interface, which never changes, instead of pl->link_config.interface, which is updated by phylink_major_config(). Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Link: https://patch.msgid.link/20250227121522.1802832-2-yong.liang.choong@linux.intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-04net: phy: nxp-c45-tja11xx: add support for TJA1121Andrei Botila
Add support for TJA1121 which is based on TJA1120 but with additional MACsec IP. Signed-off-by: Andrei Botila <andrei.botila@oss.nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250228154320.2979000-3-andrei.botila@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-04net: phy: nxp-c45-tja11xx: add match_phy_device to TJA1103/TJA1104Andrei Botila
Add .match_phy_device for the existing TJAs to differentiate between TJA1103 and TJA1104. TJA1103 and TJA1104 share the same PHY_ID but TJA1104 has MACsec capabilities while TJA1103 doesn't. Signed-off-by: Andrei Botila <andrei.botila@oss.nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250228154320.2979000-2-andrei.botila@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-03net: sfp: add quirk for FS SFP-10GM-T copper SFP+ moduleMartin Schiller
Add quirk for a copper SFP that identifies itself as "FS" "SFP-10GM-T". It uses RollBall protocol to talk to the PHY and needs 4 sec wait before probing the PHY. Signed-off-by: Martin Schiller <ms@dev.tdt.de> Link: https://patch.msgid.link/20250227071058.1520027-1-ms@dev.tdt.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR (net-6.14-rc5). Conflicts: drivers/net/ethernet/cadence/macb_main.c fa52f15c745c ("net: cadence: macb: Synchronize stats calculations") 75696dd0fd72 ("net: cadence: macb: Convert to get_stats64") https://lore.kernel.org/20250224125848.68ee63e5@canb.auug.org.au Adjacent changes: drivers/net/ethernet/intel/ice/ice_sriov.c 79990cf5e7ad ("ice: Fix deinitializing VF in error path") a203163274a4 ("ice: simplify VF MSI-X managing") net/ipv4/tcp.c 18912c520674 ("tcp: devmem: don't write truncated dmabuf CMSGs to userspace") 297d389e9e5b ("net: prefix devmem specific helpers") net/mptcp/subflow.c 8668860b0ad3 ("mptcp: reset when MPTCP opts are dropped after join") c3349a22c200 ("mptcp: consolidate subflow cleanup") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-24net: phy: add phylib-internal.hHeiner Kallweit
This patch is a starting point for moving phylib-internal declarations to a private header file. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://patch.msgid.link/082eacd2-a888-4716-8797-b3491ce02820@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-21net: sfp: add quirk for 2.5G OEM BX SFPBirger Koblitz
The OEM SFP-2.5G-BX10-D/U SFP module pair is meant to operate with 2500Base-X. However, in their EEPROM they incorrectly specify: Transceiver codes : 0x00 0x12 0x00 0x00 0x12 0x00 0x01 0x05 0x00 BR, Nominal : 2500MBd Use sfp_quirk_2500basex for this module to allow 2500Base-X mode anyway. Tested on BananaPi R3. Signed-off-by: Birger Koblitz <mail@birger-koblitz.de> Reviewed-by: Daniel Golle <daniel@makrotopia.org> Link: https://patch.msgid.link/20250218-b4-lkmsub-v1-1-1e51dcabed90@birger-koblitz.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-20net: phy: qt2025: Fix hardware revision check commentCharalampos Mitrodimas
Correct the hardware revision check comment in the QT2025 driver. The revision value was documented as 0x3b instead of the correct 0xb3, which matches the actual comparison logic in the code. Reviewed-by: FUJITA Tomonori <fujita.tomonori@gmail.com> Signed-off-by: Charalampos Mitrodimas <charmitro@posteo.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Trevor Gross <tmgross@umich.edu> Link: https://patch.msgid.link/20250219-qt2025-comment-fix-v2-1-029f67696516@posteo.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-20net: phy: qcom: qca807x fix condition for DAC_DSP_BIAS_CURRENTGeorge Moussalem
While setting the DAC value, the wrong boolean value is evaluated to set the DSP bias current. So let's correct the conditional statement and use the right boolean value read from the DTS set in the priv. Cc: stable@vger.kernel.org Fixes: d1cb613efbd3 ("net: phy: qcom: add support for QCA807x PHY Family") Signed-off-by: George Moussalem <george.moussalem@outlook.com> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250219130923.7216-1-ansuelsmth@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: c45: remove local advertisement parameter from ↵Heiner Kallweit
genphy_c45_eee_is_active After the last user has gone, we can remove the local advertisement parameter from genphy_c45_eee_is_active. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/bd121330-9e28-4bc8-8422-794bd54d561f@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: c45: use cached EEE advertisement in genphy_c45_ethtool_get_eeeHeiner Kallweit
Now that disabled EEE modes are considered when populating advertising_eee, we can use this bitmap here instead of reading the PHY register. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/e57ed3d4-d0bc-4f91-83f6-8f48dfb6d7d7@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: c45: Don't silently remove disabled EEE modes any longer when ↵Heiner Kallweit
writing advertisement register advertising_eee is adjusted now whenever an EEE mode gets disabled. Therefore we can remove the silent removal of disabled EEE modes here. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/e95b9dad-24a7-4e3e-9af9-6f0770cf1520@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: remove disabled EEE modes from advertising_eee in phy_probeHeiner Kallweit
A PHY driver may populate eee_disabled_modes in its probe or get_features callback, therefore filter the EEE advertisement read from the PHY. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://patch.msgid.link/493f3e2e-9cfc-445d-adbe-58d9c117a489@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: realtek: add defines for shadowed c45 standard registersHeiner Kallweit
Realtek shadows standard c45 registers in VEND2 device register space. Add defines for these VEND2 registers, based on the names of the standard c45 registers. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/c90bdf76-f8b8-4d06-9656-7a52d5658ee6@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: realtek: add helper RTL822X_VND2_C22_REGHeiner Kallweit
C22 register space is mapped to 0xa400 in MMD VEND2 register space. Add a helper to access mapped C22 registers. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/6344277b-c5c7-449b-ac89-d5425306ca76@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-18net: phy: marvell-88q2xxx: Init PHY private structure for mv88q211xNiklas Söderlund
When adding LED support for mv88q222x devices the PHY private data structure was added to the mv88q211x code path, the data structure is however only allocated during mv88q222x probe. This results in a nullptr deference for mv88q2110 devices. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000001 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [0000000000000001] user address but active_mm is swapper Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.14.0-rc1-arm64-renesas-00342-ga3783dbf2574 #7 Hardware name: Renesas White Hawk Single board based on r8a779g2 (DT) pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mv88q2xxx_config_init+0x28/0x84 lr : mv88q2110_config_init+0x98/0xb0 sp : ffff8000823eb9d0 x29: ffff8000823eb9d0 x28: ffff000440942000 x27: ffff80008144e400 x26: 0000000000001002 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000009 x22: ffff8000810534f0 x21: ffff800081053550 x20: 0000000000000000 x19: ffff0004437d6800 x18: 0000000000000018 x17: 00000000000961c8 x16: ffff0006bef75ec0 x15: 0000000000000001 x14: 0000000000000001 x13: ffff000440218080 x12: 071c71c71c71c71c x11: ffff000440218080 x10: 0000000000001420 x9 : ffff8000823eb770 x8 : ffff8000823eb650 x7 : ffff8000823eb750 x6 : ffff8000823eb710 x5 : 0000000000000000 x4 : 0000000000000800 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 00000000ffffffff x0 : ffff0004437d6800 Call trace: mv88q2xxx_config_init+0x28/0x84 (P) mv88q2110_config_init+0x98/0xb0 phy_init_hw+0x64/0x9c phy_attach_direct+0x118/0x320 phy_connect_direct+0x24/0x80 of_phy_connect+0x5c/0xa0 rtsn_open+0x5bc/0x78c __dev_open+0xf8/0x1fc __dev_change_flags+0x198/0x220 dev_change_flags+0x20/0x64 ip_auto_config+0x270/0xefc do_one_initcall+0xe4/0x22c kernel_init_freeable+0x2a8/0x308 kernel_init+0x20/0x130 ret_from_fork+0x10/0x20 Code: b907e404 f9432814 3100083f 540000e3 (39400680) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x000,00000070,00801250,8200700b Memory Limit: none ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- Fix this by using a generic probe function for both mv88q211x and mv88q222x devices that allocates the PHY private data structure, while only the mv88q222x probes for LED support. Fixes: a3783dbf2574 ("net: phy: marvell-88q2xxx: Add support for PHY LEDs on 88q2xxx") Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20250214174650.2056949-1-niklas.soderlund+renesas@ragnatech.se Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-02-18net: phy: marvell-88q2xxx: enable temperature sensor in mv88q2xxx_config_initDimitri Fedrau
Temperature sensor gets enabled for 88Q222X devices in mv88q222x_config_init. Move enabling to mv88q2xxx_config_init because all 88Q2XXX devices support the temperature sensor. Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-02-18net: phy: marvell-88q2xxx: order includes alphabeticallyDimitri Fedrau
Order includes alphabetically. Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-02-18net: phy: marvell-88q2xxx: align definesDimitri Fedrau
Align some defines. Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-02-17net: phy: dp83822: Add support for changing the transmit amplitude voltageDimitri Fedrau
Add support for changing the transmit amplitude voltage in 100BASE-TX mode. Modifying it can be necessary to compensate losses on the PCB and connector, so the voltages measured on the RJ45 pins are conforming. Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250214-dp83822-tx-swing-v5-3-02ca72620599@liebherr.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: Add helper for getting tx amplitude gainDimitri Fedrau
Add helper which returns the tx amplitude gain defined in device tree. Modifying it can be necessary to compensate losses on the PCB and connector, so the voltages measured on the RJ45 pins are conforming. Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250214-dp83822-tx-swing-v5-2-02ca72620599@liebherr.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: mediatek: Move some macros to phy-lib for later useSky Huang
Move some macros to phy-lib because MediaTek's 2.5G built-in ethernet PHY will also use them. Signed-off-by: Sky Huang <skylake.huang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250213080553.921434-6-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: mediatek: Add token ring clear bit operation supportSky Huang
Similar to __mtk_tr_set_bits() support. Previously in mtk-ge-soc.c, we clear some register bits via token ring, which were also implemented in three __phy_write(). Now we can do the same thing via __mtk_tr_clr_bits() helper. Signed-off-by: Sky Huang <skylake.huang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250213080553.921434-5-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: mediatek: Add token ring set bit operation supportSky Huang
Previously in mtk-ge-soc.c, we set some register bits via token ring, which were implemented in three __phy_write(). Now we can do the same thing via __mtk_tr_set_bits() helper. Signed-off-by: Sky Huang <skylake.huang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250213080553.921434-4-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: mediatek: Add token ring access helper functions in mtk-phy-libSky Huang
This patch adds TR(token ring) manipulations and adds correct macro names for those magic numbers. TR is a way to access proprietary registers on page 52b5. Use these helper functions so we can see which fields we're going to modify/set/clear. TR functions with __* prefix mean that the operations inside aren't wrapped by page select/restore functions. This patch doesn't really change registers' settings but just enhances readability and maintainability. Signed-off-by: Sky Huang <skylake.huang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250213080553.921434-3-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-17net: phy: mediatek: Change to more meaningful macrosSky Huang
Replace magic number with more meaningful macros in mtk-ge.c. Also, move some common macros into mtk-phy-lib.c. Signed-off-by: Sky Huang <skylake.huang@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20250213080553.921434-2-SkyLake.Huang@mediatek.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
generated by cgit (git 2.34.1) at 2025-07-15 21:29:14 +0000