3376 Commits

Author SHA1 Message Date
Giulio Benetti
3abbd0699b net: phy: broadcom: add support for BCM5221 phy
This patch adds the BCM5221 PHY support by reusing brcm_fet_*()
callbacks and adding quirks for BCM5221 when needed.

Cc: Jim Reinhart <jimr@tekvox.com>
Cc: James Autry <jautry@tekvox.com>
Cc: Matthew Maron <matthewm@tekvox.com>
Signed-off-by: Giulio Benetti <giulio.benetti+tekvox@benettiengineering.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231005182915.153815-1-giulio.benetti@benettiengineering.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-06 16:01:27 -07:00
Sascha Hauer
1a48908782 net: phy: dp83867: Add support for hardware blinking LEDs
This implements the led_hw_* hooks to support hardware blinking LEDs on
the DP83867 phy. The driver supports all LED modes that have a
corresponding TRIGGER_NETDEV_* define. Error and collision do not have
a TRIGGER_NETDEV_* define, so these modes are currently not supported.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> #TQMa8MxML/MBa8Mx
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-06 11:38:19 +01:00
Russell King (Oracle)
5ffe330e40 net: sfp: improve Nokia GPON sfp fixup
Improve the Nokia GPON fixup - we need to ignore not only the hardware
LOS signal, but also the software implementation as well. Do this by
using the new state_ignore_mask to indicate that we should ignore not
only the hardware RX_LOS signal, and also clear the LOS bits in the
option field.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/E1qnfXh-008UDe-F9@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05 18:05:06 -07:00
Russell King (Oracle)
e184e8609f net: sfp: re-implement ignoring the hardware TX_FAULT signal
Re-implement how we ignore the hardware TX_FAULT signal. Rather than
having a separate boolean for this, use a bitmask of the hardware
signals that we wish to ignore. This gives more flexibility in the
future to ignore other signals such as RX_LOS.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/E1qnfXc-008UDY-91@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05 18:05:06 -07:00
Raju Lakkaraju
e27aca3760 net: sfp: add quirk for FS's 2.5G copper SFP
Add a quirk for a copper SFP that identifies itself as "FS" "SFP-2.5G-T".
This module's PHY is inaccessible, and can only run at 2500base-X with the
host without negotiation. Add a quirk to enable the 2500base-X interface mode
with 2500base-T support and disable auto negotiation.

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Link: https://lore.kernel.org/r/20230925080059.266240-1-Raju.Lakkaraju@microchip.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 12:56:48 +02:00
Linus Walleij
3203034529 net: phy: amd: Support the Altima AMI101L
The Altima AC101L is obviously compatible with the AMD PHY,
as seen by reading the datasheet.

Datasheet: https://docs.broadcom.com/doc/AC101L-DS05-405-RDS.pdf

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230924-ac101l-phy-v1-1-5e6349e28aa4@linaro.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-03 11:44:09 +02:00
Christian Marangi
d387e34fec net: sfp: add quirk for Fiberstone GPON-ONU-34-20BI
Fiberstone GPON-ONU-34-20B can operate at 2500base-X, but report 1.2GBd
NRZ in their EEPROM.

The module also require the ignore tx fault fixup similar to Huawei MA5671A
as it gets disabled on error messages with serial redirection enabled.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20230919124720.8210-1-ansuelsmth@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-28 09:16:59 +02:00
Russell King (Oracle)
6a23c555f7 net: phy: fix regression with AX88772A PHY driver
Marek reports that a deadlock occurs with the AX88772A PHY used on the
ASIX USB network driver:

asix 1-1.4:1.0 (unnamed net_device) (uninitialized): PHY [usb-001:003:10] driver [Asix Electronics AX88772A] (irq=POLL)
Asix Electronics AX88772A usb-001:003:10: attached PHY driver(mii_bus:phy_addr=usb-001:003:10, irq=POLL)
asix 1-1.4:1.0 eth0: register 'asix' at usb-12110000.usb-1.4, ASIX AX88772 USB 2.0 Ethernet, a2:99:b6💿11:eb
asix 1-1.4:1.0 eth0: configuring for phy/internal link mode

============================================
WARNING: possible recursive locking detected
6.6.0-rc1-00239-g8da77df649c4-dirty #13949 Not tainted
--------------------------------------------
kworker/3:3/71 is trying to acquire lock:
c6c704cc (&dev->lock){+.+.}-{3:3}, at: phy_start_aneg+0x1c/0x38

but task is already holding lock:
c6c704cc (&dev->lock){+.+.}-{3:3}, at: phy_state_machine+0x100/0x2b8

This is because we now consistently call phy_process_state_change()
while holding phydev->lock, but the AX88772A PHY driver then goes on
to call phy_start_aneg() which tries to grab the same lock - causing
deadlock.

Fix this by exporting the unlocked version, and use this in the PHY
driver instead.

Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: ef113a60d0a9 ("net: phy: call phy_error_precise() while holding the lock")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1qiEFs-007g7b-Lq@rmk-PC.armlinux.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-19 17:03:44 +02:00
Russell King (Oracle)
adcbb85508 net: phy: convert phy_stop() to use split state machine
Convert phy_stop() to use the new locked-section and unlocked-section
parts of the PHY state machine.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
8635c0663e net: phy: split locked and unlocked section of phy_state_machine()
Split out the locked and unlocked sections of phy_state_machine() into
two separate functions which can be called inside the phydev lock and
outside the phydev lock as appropriate, thus allowing us to combine
the locked regions in the caller of phy_state_machine() with the
locked region inside phy_state_machine().

This avoids unnecessarily dropping the phydev lock which may allow
races to occur.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
c398ef41b6 net: phy: move phy_state_machine()
Move phy_state_machine() before phy_stop() to avoid subsequent patches
introducing forward references.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
6e19b3502c net: phy: move phy_suspend() to end of phy_state_machine()
Move the call to phy_suspend() to the end of phy_state_machine() after
we release the lock so that we can combine the locked areas.
phy_suspend() can not be called while holding phydev->lock as it has
caused deadlocks in the past.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
ea5968cd7d net: phy: move call to start aneg
Move the call to start auto-negotiation inside the lock in the PHYLIB
state machine, calling the locked variant _phy_start_aneg(). This
avoids unnecessarily releasing and re-acquiring the lock.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
ef113a60d0 net: phy: call phy_error_precise() while holding the lock
Move the locking out of phy_error_precise() and to its only call site,
merging with the locked region that has already been taken.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Russell King (Oracle)
8da77df649 net: phy: always call phy_process_state_change() under lock
phy_stop() calls phy_process_state_change() while holding the phydev
lock, so also arrange for phy_state_machine() to do the same, so that
this function is called with consistent locking.

Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-09-17 14:31:23 +01:00
Lukasz Majewski
08c6d8bae4 net: phy: Provide Module 4 KSZ9477 errata (DS80000754C)
The KSZ9477 errata points out (in 'Module 4') the link up/down problems
when EEE (Energy Efficient Ethernet) is enabled in the device to which
the KSZ9477 tries to auto negotiate.

The suggested workaround is to clear advertisement of EEE for PHYs in
this chip driver.

To avoid regressions with other switch ICs the new MICREL_NO_EEE flag
has been introduced.

Moreover, the in-register disablement of MMD_DEVICE_ID_EEE_ADV.MMD_EEE_ADV
MMD register is removed, as this code is both; now executed too late
(after previous rework of the PHY and DSA for KSZ switches) and not
required as setting all members of eee_broken_modes bit field prevents
the KSZ9477 from advertising EEE.

Fixes: 69d3b36ca045 ("net: dsa: microchip: enable EEE support") # for KSZ9477
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de> # Confirmed disabled EEE with oscilloscope.
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20230905093315.784052-1-lukma@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-09-06 20:49:04 -07:00
Russell King (Oracle)
70934c7c99 net: phylink: add phylink_limit_mac_speed()
Add a function which can be used to limit the phylink MAC capabilities
to an upper speed limit.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qZAX3-005pTi-K1@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-25 18:55:18 -07:00
Jakub Kicinski
57ce6427e0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

include/net/inet_sock.h
  f866fbc842de ("ipv4: fix data-races around inet->inet_id")
  c274af224269 ("inet: introduce inet->inet_flags")
https://lore.kernel.org/all/679ddff6-db6e-4ff6-b177-574e90d0103d@tessares.net/

Adjacent changes:

drivers/net/bonding/bond_alb.c
  e74216b8def3 ("bonding: fix macvlan over alb bond support")
  f11e5bd159b0 ("bonding: support balance-alb with openvswitch")

drivers/net/ethernet/broadcom/bgmac.c
  d6499f0b7c7c ("net: bgmac: Return PTR_ERR() for fixed_phy_register()")
  23a14488ea58 ("net: bgmac: Fix return value check for fixed_phy_register()")

drivers/net/ethernet/broadcom/genet/bcmmii.c
  32bbe64a1386 ("net: bcmgenet: Fix return value check for fixed_phy_register()")
  acf50d1adbf4 ("net: bcmgenet: Return PTR_ERR() for fixed_phy_register()")

net/sctp/socket.c
  f866fbc842de ("ipv4: fix data-races around inet->inet_id")
  b09bde5c3554 ("inet: move inet->mc_loop to inet->inet_frags")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-24 10:51:39 -07:00
Jinjie Ruan
45f9cb6bd9 dp83640: Use list_for_each_entry() helper
Convert list_for_each() to list_for_each_entry() where applicable.

No functional changed.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-23 09:39:15 +01:00
Serge Semin
a0e026e7b3 net: phy: Fix deadlocking in phy_error() invocation
Since commit 91a7cda1f4b8 ("net: phy: Fix race condition on link status
change") all the phy_error() method invocations have been causing the
nested-mutex-lock deadlock because it's normally done in the PHY-driver
threaded IRQ handlers which since that change have been called with the
phydev->lock mutex held. Here is the calls thread:

IRQ: phy_interrupt()
     +-> mutex_lock(&phydev->lock); <--------------------+
         drv->handle_interrupt()                         | Deadlock due
         +-> ERROR: phy_error()                          + to the nested
                    +-> phy_process_error()              | mutex lock
                        +-> mutex_lock(&phydev->lock); <-+
                            phydev->state = PHY_ERROR;
                            mutex_unlock(&phydev->lock);
         mutex_unlock(&phydev->lock);

The problem can be easily reproduced just by calling phy_error() from any
PHY-device threaded interrupt handler. Fix it by dropping the phydev->lock
mutex lock from the phy_process_error() method and printing a nasty error
message to the system log if the mutex isn't held in the caller execution
context.

Note for the fix to work correctly in the PHY-subsystem itself the
phydev->lock mutex locking must be added to the phy_error_precise()
function.

Link: https://lore.kernel.org/netdev/20230816180944.19262-1-fancer.lancer@gmail.com
Fixes: 91a7cda1f4b8 ("net: phy: Fix race condition on link status change")
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-19 19:26:50 +01:00
Josua Mayer
db1a6ad77c net: sfp: handle 100G/25G active optical cables in sfp_parse_support
Handle extended compliance code 0x1 (SFF8024_ECC_100G_25GAUI_C2M_AOC)
for active optical cables supporting 25G and 100G speeds.

Since the specification makes no statement about transmitter range, and
as the specific sfp module that had been tested features only 2m fiber -
short-range (SR) modes are selected.

The 100G speed is irrelevant because it would require multiple fibers /
multiple SFP28 modules combined under one netdev.
sfp-bus.c only handles a single module per netdev, so only 25Gbps modes
are selected.

sfp_parse_support already handles SFF8024_ECC_100GBASE_SR4_25GBASE_SR
with compatible properties, however that entry is a contradiction in
itself since with SFP(28) 100GBASE_SR4 is impossible - that would likely
be a mode for qsfp modules only.

Add a case for SFF8024_ECC_100G_25GAUI_C2M_AOC selecting 25gbase-r
interface mode and 25000baseSR link mode.
Also enforce SFP28 bitrate limits on the values read from sfp eeprom as
requested by Russell King.

Tested with fs.com S28-AO02 AOC SFP28 module.

Signed-off-by: Josua Mayer <josua@solid-run.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-19 19:22:14 +01:00
Jakub Kicinski
7ff57803d2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/sfc/tc.c
  fa165e194997 ("sfc: don't unregister flow_indr if it was never registered")
  3bf969e88ada ("sfc: add MAE table machinery for conntrack table")
https://lore.kernel.org/all/20230818112159.7430e9b4@canb.auug.org.au/

No adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-18 12:44:56 -07:00
Daniel Golle
c66937b0f8 net: phy: mediatek-ge-soc: support PHY LEDs
Implement netdev trigger and primitive bliking offloading as well as
simple set_brigthness function for both PHY LEDs of the in-SoC PHYs
found in MT7981 and MT7988.

For MT7988, read boottrap register and apply LED polarities accordingly
to get uniform behavior from all LEDs on MT7988.
This requires syscon phandle 'mediatek,pio' present in parenting MDIO bus
which should point to the syscon holding the boottrap register.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/dc324d48c00cd7350f3a506eaa785324cae97372.1691977904.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-15 18:57:59 -07:00
Justin Chen
096516d092 net: phy: broadcom: stub c45 read/write for 54810
The 54810 does not support c45. The mmd_phy_indirect accesses return
arbirtary values leading to odd behavior like saying it supports EEE
when it doesn't. We also see that reading/writing these non-existent
MMD registers leads to phy instability in some cases.

Fixes: b14995ac2527 ("net: phy: broadcom: Add BCM54810 PHY entry")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/1691901708-28650-1-git-send-email-justin.chen@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-15 18:53:43 -07:00
Gabor Juhos
83b5f0253b net: phy: Introduce PSGMII PHY interface mode
The PSGMII interface is similar to QSGMII. The main difference
is that the PSGMII interface combines five SGMII lines into a
single link while in QSGMII only four lines are combined.

Similarly to the QSGMII, this interface mode might also needs
special handling within the MAC driver.

It is commonly used by Qualcomm with their QCA807x PHY series and
modern WiSoC-s.

Add definitions for the PHY layer to allow to express this type
of connection between the MAC and PHY.

Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-14 08:12:53 +01:00
Russell King (Oracle)
cc941e548b net: phy: fix IRQ-based wake-on-lan over hibernate / power off
Uwe reports:
"Most PHYs signal WoL using an interrupt. So disabling interrupts [at
shutdown] breaks WoL at least on PHYs covered by the marvell driver."

Discussing with Ioana, the problem which was trying to be solved was:
"The board in question is a LS1021ATSN which has two AR8031 PHYs that
share an interrupt line. In case only one of the PHYs is probed and
there are pending interrupts on the PHY#2 an IRQ storm will happen
since there is no entity to clear the interrupt from PHY#2's registers.
PHY#1's driver will get stuck in .handle_interrupt() indefinitely."

Further confirmation that "the two AR8031 PHYs are on the same MDIO
bus."

With WoL using interrupts to wake the system, in such a case, the
system will begin booting with an asserted interrupt. Thus, we need to
cope with an interrupt asserted during boot.

Solve this instead by disabling interrupts during PHY probe. This will
ensure in Ioana's situation that both PHYs of the same type sharing an
interrupt line on a common MDIO bus will have their interrupt outputs
disabled when the driver probes the device, but before we hook in any
interrupt handlers - thus avoiding the interrupt storm.

A better fix would be for platform firmware to disable the interrupting
devices at source during boot, before control is handed to the kernel.

Fixes: e2f016cf7751 ("net: phy: add a shutdown procedure")
Link: 20230804071757.383971-1-u.kleine-koenig@pengutronix.de
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-13 12:27:08 +01:00
Andrew Lunn
460b0b648f net: phy: marvell: Add support for offloading LED blinking
Add the code needed to indicate if a given blinking pattern can be
offloaded, to offload a pattern and to try to return the current
pattern.

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20230808210436.838995-4-andrew@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-10 17:35:00 -07:00
Andrew Lunn
1dcc03c9a7 net: phy: phy_device: Call into the PHY driver to set LED offload
Linux LEDs can be requested to perform hardware accelerated blinking
to indicate link, RX, TX etc. Pass the rules for blinking to the PHY
driver, if it implements the ops needed to determine if a given
pattern can be offloaded, to offload it, and what the current offload
is. Additionally implement the op needed to get what device the LED is
for.

Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/20230808210436.838995-3-andrew@lunn.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-10 17:35:00 -07:00
Jakub Kicinski
4d016ae42e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts.

Adjacent changes:

drivers/net/ethernet/intel/igc/igc_main.c
  06b412589eef ("igc: Add lock to safeguard global Qbv variables")
  d3750076d464 ("igc: Add TransmissionOverrun counter")

drivers/net/ethernet/microsoft/mana/mana_en.c
  a7dfeda6fdec ("net: mana: Fix MANA VF unload when hardware is unresponsive")
  a9ca9f9ceff3 ("page_pool: split types and declarations from page_pool.h")
  92272ec4107e ("eth: add missing xdp.h includes in drivers")

net/mptcp/protocol.h
  511b90e39250 ("mptcp: fix disconnect vs accept race")
  b8dc6d6ce931 ("mptcp: fix rcv buffer auto-tuning")

tools/testing/selftests/net/mptcp/mptcp_join.sh
  c8c101ae390a ("selftests: mptcp: join: fix 'implicit EP' test")
  03668c65d153 ("selftests: mptcp: join: rework detailed report")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-10 14:10:53 -07:00
Yue Haibing
a6ab5c29b8 net: sfp: Remove unused function declaration sfp_link_configure()
Commit ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages")
declared but never implemented it.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-07 08:53:55 +01:00
Russell King (Oracle)
f4bf467883 net: phy: move marking PHY on SFP module into SFP code
Move marking the PHY as being on a SFP module into the SFP code between
getting the PHY device (and thus initialising the phy_device structure)
and registering the discovered device.

This means that PHY drivers can use phy_on_sfp() in their match and
get_features methods.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qRaga-001vKt-8X@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-04 18:25:52 -07:00
Li Yang
d7791cec23 net: phy: at803x: remove set/get wol callbacks for AR8032
Since the AR8032 part does not support wol, remove related callbacks
from it.

Fixes: 5800091a2061 ("net: phy: at803x: add support for AR8032 PHY")
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Cc: David Bauer <mail@david-bauer.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-04 10:00:17 +01:00
Li Yang
e58f30246c net: phy: at803x: fix the wol setting functions
In commit 7beecaf7d507 ("net: phy: at803x: improve the WOL feature"), it
seems not correct to use a wol_en bit in a 1588 Control Register which is
only available on AR8031/AR8033(share the same phy_id) to determine if WoL
is enabled.  Change it back to use AT803X_INTR_ENABLE_WOL for determining
the WoL status which is applicable on all chips supporting wol. Also update
the at803x_set_wol() function to only update the 1588 register on chips
having it.  After this change, disabling wol at probe from commit
d7cd5e06c9dd ("net: phy: at803x: disable WOL at probe") is no longer
needed.  Change it to just disable the WoL bit in 1588 register for
AR8031/AR8033 to be aligned with AT803X_INTR_ENABLE_WOL in probe.

Fixes: 7beecaf7d507 ("net: phy: at803x: improve the WOL feature")
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-04 10:00:16 +01:00
Vladimir Oltean
60495b6622 net: phy: provide phylib stubs for hardware timestamping operations
net/core/dev_ioctl.c (built-in code) will want to call phy_mii_ioctl()
for hardware timestamping purposes. This is not directly possible,
because phy_mii_ioctl() is a symbol provided under CONFIG_PHYLIB.

Do something similar to what was done in DSA in commit 5a17818682cf
("net: dsa: replace NETDEV_PRE_CHANGE_HWTSTAMP notifier with a stub"),
and arrange some indirect calls to phy_mii_ioctl() through a stub
structure containing function pointers, that's provided by phylib as
built-in even when CONFIG_PHYLIB=m, and which phy_init() populates at
runtime (module insertion).

Note: maybe the ownership of the ethtool_phy_ops singleton is backwards,
and the methods exposed by that should be later merged into phylib_stubs.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20230801142824.1772134-12-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-02 19:11:06 -07:00
Vladimir Oltean
70ef7d87f6 net: transfer rtnl_lock() requirement from ethtool_set_ethtool_phy_ops() to caller
phy_init() and phy_exit() will have to do more stuff under rtnl_lock()
in a future change. Since rtnl_unlock() -> netdev_run_todo() does a lot
of stuff under the hood, it's a pity to lock and unlock the rtnetlink
mutex twice in a row.

Change the calling convention such that the only caller of
ethtool_set_ethtool_phy_ops(), phy_device.c, provides a context where
the rtnl_mutex is already acquired.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20230801142824.1772134-11-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-02 19:11:06 -07:00
Radu Pirea (NXP OSS)
68c6af7204 net: phy: nxp-c45-tja11xx: reset PCS if the link goes down
During PTP testing on early TJA1120 engineering samples I observed that
if the link is lost and recovered, the tx timestamps will be randomly
lost. To avoid this HW issue, the PCS should be reset.

Resetting the PCS will break the link and we should reset the PCS on
LINK UP -> LINK DOWN transition, otherwise we will trigger and infinite
loop of LINK UP -> LINK DOWN events.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-12-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:26 -07:00
Radu Pirea (NXP OSS)
08e6547c84 net: phy: nxp-c45-tja11xx: read ext trig ts on TJA1120
On TJA1120, the external trigger timestamp now has a VALID bit. This
changes the logic and we can't use the TJA1103 procedure.

For TJA1103, we can always read a valid timestamp from the registers,
compare the new timestamp with the old timestamp and, if they are not the
same, an event occurred. This logic cannot be applied for TJA1120 because
the timestamp is 0 if the VALID bit is not set.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Link: https://lore.kernel.org/r/20230731091619.77961-11-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:26 -07:00
Radu Pirea (NXP OSS)
c552c110d4 net: phy: nxp-c45-tja11xx: run cable test with the PHY in test mode
For TJA1120, the enable bit for cable test is not writable if the PHY is
not in test mode.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-10-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:26 -07:00
Radu Pirea (NXP OSS)
425c8348df net: phy: nxp-c45-tja11xx: handle FUSA irq
TJA1120 and TJA1103 have a set of functional safety hardware tests
executed after every reset, and when the tests are done, the IRQ line is
asserted. For the moment, the purpose of these handlers is to acknowledge
the IRQ and not to check the FUSA tests status.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-9-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
bdb4c5b885 net: phy: nxp-c45-tja11xx: read egress ts on TJA1120
The egress timestamp FIFO/circular buffer work different on TJA1120 than
TJA1103.

For TJA1103 the new timestamp should be manually moved from the FIFO to
the hardware buffer before checking if the timestamp is valid.

For TJA1120 the hardware will move automatically the new timestamp
from the FIFO to the buffer and the user should check the valid bit, read
the timestamp and unlock the buffer by writing any of the buffer
registers(which are read only).

Another change for the TJA1120 is the behaviour of the EGR TS IRQ bit.
This bit was a self-clear bit for TJA1103, but now should be cleared
before reading the timestamp.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Link: https://lore.kernel.org/r/20230731091619.77961-8-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
b0b2247d81 net: phy: nxp-c45-tja11xx: enable LTC sampling on both ext_ts edges
The external trigger configuration for TJA1120 has changed. The PHY
supports sampling of the LTC on rising and on falling edge.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-7-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
f1fe5dff2b net: phy: nxp-c45-tja11xx: add TJA1120 support
Add TJA1120 driver entry and its driver_data.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-6-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
369da33356 net: phy: nxp-c45-tja11xx: use get_features
PHY_BASIC_T1_FEATURES are not the right features supported by TJA1103
anymore.
For example ethtool reports:
	[root@alarm ~]# ethtool end0
	Settings for end0:
	        Supported ports: [ TP ]
	        Supported link modes:   100baseT1/Full
	                                10baseT1L/Full

10baseT1L/Full is not supported by TJA1103 and supported ports list is
not completed. The PHY also have a MII port.

genphy_c45_pma_read_abilities implementation can detect the PHY features
and they look like this.
[root@alarm ~]# ethtool end0
Settings for end0:
        Supported ports: [ TP    MII ]
        Supported link modes:   100baseT1/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Supported FEC modes: Not reported
        Advertised link modes:  100baseT1/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: 100Mb/s
        Duplex: Full
        Auto-negotiation: off
        master-slave cfg: forced master
        master-slave status: master
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: external
        MDI-X: Unknown
        Supports Wake-on: g
        Wake-on: d
        Link detected: yes
        SQI: 7/7

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-5-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
6c0c85da04 net: phy: nxp-c45-tja11xx: prepare the ground for TJA1120
Between TJA1120 and TJA1103 the hardware was improved, but some register
addresses were changed and some bit fields were moved from one register
to another.

Introduce the nxp_c45_reg_field structure and its associated functions to
abstract the differences between the PHYs.

Remove the defined bits and register addresses that are not common
between TJA1103 and TJA1120 and replace them with reg_fields and
register addresses from phydev->drv->driver_data.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Link: https://lore.kernel.org/r/20230731091619.77961-4-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
643480a1a7 net: phy: nxp-c45-tja11xx: remove RX BIST frame counters
Remove RX BIST frame counters from the PHY statistics.
In production mode, these counters are always read as 0.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-3-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Radu Pirea (NXP OSS)
ac0687e821 net: phy: nxp-c45-tja11xx: use phylib master/slave implementation
Remove the custom implementation of master/save setup and read status
and use genphy_c45_config_aneg and genphy_c45_read_status since phylib
has support for master/slave setup and master/slave status.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230731091619.77961-2-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-01 21:06:25 -07:00
Jakub Kicinski
014acf2668 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts or adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-07-27 15:22:46 -07:00
Rob Herring
ac3cb6de32 net: phy/pcs: Explicitly include correct DT includes
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230724211905.805665-1-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-07-26 21:55:37 -07:00
Tristram Ha
8b305ee2a9 net: phy: smsc: add WoL support to LAN8740/LAN8742 PHYs
Microchip LAN8740/LAN8742 PHYs support basic unicast, broadcast, and
Magic Packet WoL.  They have one pattern filter matching up to 128 bytes
of frame data, which can be used to implement ARP or multicast WoL.

ARP WoL matches any ARP frame with broadcast address.

Multicast WoL matches any multicast frame.

Signed-off-by: Tristram Ha <Tristram.Ha@microchip.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/1690329270-2873-1-git-send-email-Tristram.Ha@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-07-26 21:24:40 -07:00
Russell King (Oracle)
09bd2d7dda net: mdio_bus: validate "addr" for mdiobus_is_registered_device()
mdiobus_is_registered_device() doesn't checking that "addr" was valid
before dereferencing bus->mdio_map[]. Extract the code that checks
this from mdiobus_get_phy(), and use it here as well.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1qNxvu-00111m-1V@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-07-25 20:07:57 -07:00