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When system returns from exception with ertn instruction, PC comes from
LOONGARCH_CSR_ERA, and CSR.CRMD comes LOONGARCH_CSR_PRMD.
Here save CSR register CSR.ERA and CSR.PRMD into stack, and then restore
them from stack. So it can be modified by exception handlers in future.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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With in-kernel emulated eiointc driver, hardware register can be
accessed by different size, there is reg_u8/reg_u16/reg_u32/reg_u64
union type with EIOINTC register.
Here use 64-bit type with register definition and remove union type
since most registers are accessed with 64-bit method. And this makes
EIOINTC emulated driver simpler.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Check whether the host CPU supported AVEC, and save/restore CSR_MSGIS0-
CSR_MSGIS3 when necessary.
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Now VM PMU capability comes from host PMU capability directly, instead
bit 23 of HW GCFG CSR register also show PMU capability for VM. It will
be better if it comes from HW GCFG CSR register rather than just host
PMU capability, especially when LVZ feature is emulated in TCG mode, in
which case without PMU capability.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Use the MAC managed PM flag to indicate that MAC driver takes care of
suspending/resuming the PHY, and reset it when the device is brought up.
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20251123163721.442162-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix a potential counter roll-over issue in fbnic_mbx_alloc_rx_msgs()
when calculating descriptor slots. The issue occurs when head - tail
results in a large positive value (unsigned) and the compiler interprets
head - tail - 1 as a signed value.
Since FBNIC_IPC_MBX_DESC_LEN is a power of two, use a masking operation,
which is a common way of avoiding this problem when dealing with these
sort of ring space calculations.
Fixes: da3cde08209e ("eth: fbnic: Add FW communication mechanism")
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Link: https://patch.msgid.link/20251125211704.3222413-1-mohsin.bashr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When __mptcp_retrans() kicks-in, it schedules one or more subflows for
retransmission, but such subflows could be actually left alone if there
is no more data to retransmit and/or in case of concurrent fallback.
Scheduled subflows could be processed much later in time, i.e. when new
data will be transmitted, leading to bad subflow selection.
Explicitly clear all scheduled subflows before leaving the
retransmission function.
Fixes: ee2708aedad0 ("mptcp: use get_retrans wrapper")
Cc: stable@vger.kernel.org
Reported-by: Filip Pokryvka <fpokryvk@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20251125-net-mptcp-clear-sched-rtx-v1-1-1cea4ad2165f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'net-hibmcge-add-support-for-tracepoint-and-pagepool-on-hibmcge-driver'
Jijie Shao says:
====================
net: hibmcge: Add support for tracepoint and pagepool on hibmcge driver
In this patch set:
1: add support for tracepoint for rx descriptor
2: double the rx queue depth to reduce packet drop
3: add support for pagepool on rx
====================
Link: https://patch.msgid.link/20251122034657.3373143-1-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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add support for pagepool on rx, and remove the legacy path
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-4-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Under stress test scenarios, hibmcge driver may not receive packets
in a timely manner, which can lead to the buffer of the hardware queue
being exhausted, resulting in packet drop.
This patch doubles the software queue depth and uses half of the buffer
to fill the hardware queue before receiving packets, thus preventing
packet loss caused by the hardware queue buffer being exhausted.
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-3-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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add support for tracepoint to dump some fields of rx_desc
Signed-off-by: Tao Lan <lantao5@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Link: https://patch.msgid.link/20251122034657.3373143-2-shaojijie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When using the SGMII PCS as a fixed-link chip-to-chip connection, it is
easy to miss the fact that traffic passes only at 1G, since that's what
any normal such connection would use.
When using the SGMII PCS connected towards an on-board PHY or an SFP
module, it is immediately noticeable that when the link resolves to a
speed other than 1G, traffic from the MAC fails to pass: TX counters
increase, but nothing gets decoded by the other end, and no local RX
counters increase either.
Artificially lowering a fixed-link rate to speed = <100> makes us able
to see the same issue as in the case of having an SGMII PHY.
Some debugging shows that the XPCS configuration is A-OK, but that the
MAC Configuration Table entry for the port has the SPEED bits still set
to 1000Mbps, due to a special condition in the driver. Deleting that
condition, and letting the resolved link speed be programmed directly
into the MAC speed field, results in a functional link at all 3 speeds.
This piece of evidence, based on testing on both generations with SGMII
support (SJA1105S and SJA1110A) directly contradicts the statement from
the blamed commit that "the MAC is fixed at 1 Gbps and we need to
configure the PCS only (if even that)". Worse, that statement is not
backed by any documentation, and no one from NXP knows what it might
refer to.
I am unable to recall sufficient context regarding my testing from March
2020 to understand what led me to draw such a braindead and factually
incorrect conclusion. Yet, there is nothing of value regarding forcing
the MAC speed, either for SGMII or 2500Base-X (introduced at a later
stage), so remove all such logic.
Fixes: ffe10e679cec ("net: dsa: sja1105: Add support for the SGMII port")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122111324.136761-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The FMan driver has support for 2 MACs: mEMAC (newer, present on
Layerscape and PowerPC T series) and dTSEC/TGEC (older, present on
PowerPC P series). I only have handy access to the mEMAC, and this adds
support for MAC counters for those platforms.
MAC counters are necessary for any kind of low-level debugging, and
currently there is no mechanism to dump them.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122115931.151719-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The DPAA phylink conversion in the following commits partially developed
code for handling the 2500base-x host interface mode (called "2.5G
SGMII" in LS1043A/LS1046A reference manuals).
- 0fc83bd79589 ("net: fman: memac: Add serdes support")
- 5d93cfcf7360 ("net: dpaa: Convert to phylink")
In principle, having phy-interface-mode = "2500base-x" and a pcsphy-handle
(unnamed or with pcs-handle-names = "sgmii") in the MAC device tree node
results in PHY_INTERFACE_MODE_2500BASEX being set in phylink_config ::
supported_interfaces, but this isn't sufficient.
Because memac_select_pcs() returns no PCS for PHY_INTERFACE_MODE_2500BASEX,
the Lynx PCS code never engages. There's a chance the PCS driver doesn't
have any configuration to change for 2500base-x fixed-link (based on
bootloader pre-initialization), but there's an even higher chance that
this is not the case, and the PCS remains misconfigured.
More importantly, memac_if_mode() does not handle
PHY_INTERFACE_MODE_2500BASEX, and it should be telling the mEMAC to
configure itself in GMII mode (which is upclocked by the PCS). Currently
it prints a WARN_ON() and returns zero, aka IF_MODE_10G (incorrect).
The additional case statement in memac_prepare() for calling
phy_set_mode_ext() does not make any difference, because there is no
generic PHY driver for the Lynx 10G SerDes from LS1043A/LS1046A. But we
add it nonetheless, for consistency.
Regarding the question "did 2500base-x ever work with the FMan mEMAC
mainline code prior to the phylink conversion?" - the answer is more
nuanced.
For context, the previous phylib-based implementation was unable to
describe the fixed-link speed as 2500, because the software PHY
implementation is limited to 1G. However, improperly describing the link
as an sgmii fixed-link with speed = <1000> would have resulted in a
functional 2.5G speed, because there is no other difference than the
SerDes lane clock net frequency (3.125 GHz for 2500base-x) - all the
other higher-level settings are the same, and the SerDes lane frequency
is currently handled by the RCW.
But this hack cannot be extended towards a phylib PHY such as Aquantia
operating in OCSGMII, because the latter requires phy-mode = "2500base-x",
which the mEMAC driver did not support prior to the phylink conversion.
So I do not really consider this a regression, just completing support
for a missing feature.
The FMan mEMAC driver sets phylink's "default_an_inband" property to
true, making it as if the device tree node had the managed =
"in-band-status" property anyway. This default made sense for SGMII,
where it was added to avoid regressions, but for 2500base-x we learned
only recently how to enable in-band autoneg:
https://lore.kernel.org/netdev/20251122113433.141930-1-vladimir.oltean@nxp.com/
so the driver needs to opt out of this default in-band enabled
behaviour, and only enable in-band based on the device tree property.
Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
Link: https://lore.kernel.org/netdev/aIyx0OLWGw5zKarX@shell.armlinux.org.uk/#t
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122115523.150260-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Implement the inband_caps() and config_inband() PHY driver methods, to
allow working with PCS devices that do not support or want in-band to be
used.
There is a complication due to existing logic from commit c76acfb7e19d
("net: phy: dp83867: retrigger SGMII AN when link change") which might
re-enable what dp83867_config_inband() has disabled. So we need to
modify dp83867_link_change_notify() to use phy_modify_changed() when
temporarily disabling in-band autoneg. If the return code is 0, it means
the original in-band was disabled and we need to keep it disabled.
If the return code is 1, the original was enabled and we need to
re-enable it. If negative, there was an error, which was silent before,
and remains silent now.
dp83867_config_inband() and dp83867_link_change_notify() are serialized
by the phydev->lock.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251122110427.133035-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a test framework for YAML Netlink (YNL) tools, covering both CLI and
ethtool functionality. The framework includes:
1) cli: family listing, netdev, ethtool, rt-* families, and nlctrl
operations
2) ethtool: device info, statistics, ring/coalesce/pause parameters, and
feature gettings
The current YNL syntax is a bit obscure, and end users may not always know
how to use it. This test framework provides usage examples and also serves
as a regression test to catch potential breakages caused by future changes.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20251124022055.33389-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Starting with commit 69a8b62a7aa1 ("riscv: acpi: avoid errors caused by
probing DT devices when ACPI is used"), riscv images no longer populate
devicetree if ACPI is enabled. This causes unit tests to fail which require
the root node to be set.
# Subtest: of_dtb
# module: of_test
1..2
# of_dtb_root_node_found_by_path: EXPECTATION FAILED at drivers/of/of_test.c:21
Expected np is not null, but is
# of_dtb_root_node_found_by_path: pass:0 fail:1 skip:0 total:1
not ok 1 of_dtb_root_node_found_by_path
# of_dtb_root_node_populates_of_root: EXPECTATION FAILED at drivers/of/of_test.c:31
Expected of_root is not null, but is
# of_dtb_root_node_populates_of_root: pass:0 fail:1 skip:0 total:1
not ok 2 of_dtb_root_node_populates_of_root
Skip those tests for RISCV if the root node is not populated.
Fixes: 69a8b62a7aa1 ("riscv: acpi: avoid errors caused by probing DT devices when ACPI is used")
Cc: Han Gao <rabenda.cn@gmail.com>
Cc: Paul Walmsley <pjw@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Paul Walmsley <pjw@kernel.org> # arch/riscv
Link: https://patch.msgid.link/20251023160415.705294-1-linux@roeck-us.net
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-11-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-10-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-9-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-8-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-7-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-6-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-5-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.
Acked-by: Chen-Yu Tsai <wens@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-4-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-3-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Replace open-coded getting root OF node, matching against it and getting
the match data with two new helpers: of_machine_get_match_data() and
of_machine_device_match().
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-2-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Several drivers duplicate same code for getting reference to the root
node, matching it against 'struct of_device_id' table and getting out
the match data from the table entry.
There is a of_machine_compatible_match() wrapper but it takes array of
strings, which is not suitable for many drivers since they want the
driver data associated with each compatible.
Add two wrappers, similar to existing of_device_get_match_data():
1. of_machine_device_match() doing only matching against 'struct
of_device_id' and returning bool.
2. of_machine_get_match_data() doing the matching and returning
associated driver data for found compatible.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-1-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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The fix commit converted several IPv4 address attributes from binary
to u32, but forgot to specify byte-order: big-endian. Without this,
YNL tools display IPv4 addresses incorrectly due to host-endian
interpretation.
Add the missing byte-order: big-endian to all affected u32 IPv4
address fields to ensure correct parsing and display.
Fixes: 1064d521d177 ("netlink: specs: support ipv4-or-v6 for dual-stack fields")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Link: https://patch.msgid.link/20251125112048.37631-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Thank you Aswin for taking this responsibility.
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Acked-by: Aswin Karuvally <aswin@linux.ibm.com>
Link: https://patch.msgid.link/20251125085829.3679506-1-wintera@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Breno Leitao says:
====================
net: intel: migrate to .get_rx_ring_count() ethtool callback
This series migrates Intel network drivers to use the new .get_rx_ring_count()
ethtool callback introduced in commit 84eaf4359c36 ("net: ethtool: add
get_rx_ring_count callback to optimize RX ring queries").
The new callback simplifies the .get_rxnfc() implementation by removing
ETHTOOL_GRXRINGS handling and moving it to a dedicated callback. This provides
a cleaner separation of concerns and aligns these drivers with the modern
ethtool API.
The series updates the following Intel drivers:
- idpf
- igb
- igc
- ixgbevf
- fm10k
====================
Link: https://patch.msgid.link/20251125-gxring_intel-v2-0-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns fm10k with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-8-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns ixgbevf with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-7-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns igc with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-6-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns igb with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-5-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns idpf with the new
ethtool API for querying RX ring parameters.
I was not totally convinced I needed to have the lock, but, I decided to
be on the safe side and get the exact same behaviour it was before.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-4-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns ice with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-3-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns iavf with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-2-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.
Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().
This simplifies the RX ring count retrieval and aligns i40e with the new
ethtool API for querying RX ring parameters.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20251125-gxring_intel-v2-1-f55cd022d28b@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Yao Zi says:
====================
Unify platform suspend/resume routines for PCI DWMAC glue
There are currently three PCI-based DWMAC glue drivers in tree,
stmmac_pci.c, dwmac-intel.c, and dwmac-loongson.c. Both stmmac_pci.c and
dwmac-intel.c implements the same and duplicated platform suspend/resume
routines.
This series introduces a new PCI helper library, stmmac_libpci.c,
providing a pair of helpers, stmmac_pci_plat_{suspend,resume}, and
replaces the driver-specific implementation with the helpers to reduce
code duplication. The helper will also simplify the Motorcomm DWMAC glue
driver which I'm working on.
The glue driver for Intel controllers isn't covered by the series, since
its suspend routine doesn't call pci_disable_device() and thus is a
little different from the new generic helpers.
I only have Loongson hardware on hand, thus the series is only tested on
Loongson 3A5000 machine. I could confirm the controller works after
resume, and WoL works as expected. This shouldn't break stmmac_pci.c,
either, since the new helpers have the exactly same code as the old
driver-specific suspend/resume hooks.
====================
Link: https://patch.msgid.link/20251124160417.51514-1-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert STMMAC PCI glue driver to use the generic platform
suspend/resume routines for PCI controllers, instead of implementing its
own one.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-4-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert glue driver for Loongson DWMAC controller to use the generic
platform suspend/resume routines for PCI controllers, instead of
implementing its own one.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Acked-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-3-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Most glue driver for PCI-based DWMAC controllers utilize similar
platform suspend/resume routines. Add a generic implementation to reduce
duplicated code.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Link: https://patch.msgid.link/20251124160417.51514-2-ziyao@disroot.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Correct it since M.2 device T99W640 has updated from T99W515.
We need to align it with MHI side otherwise this modem can't
get the network.
Fixes: ae5a34264354 ("bus: mhi: host: pci_generic: Fix the modem name of Foxconn T99W640")
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20251125070900.33324-1-slark_xiao@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vadim Fedorenko says:
====================
add hwtstamp_get callback to phy drivers
PHY drivers are able to configure HW time stamping and are not able to
report configuration back to user space. Add callback to report
configuration like it's done for net_device and add implementation to
the drivers.
====================
Link: https://patch.msgid.link/20251124181151.277256-1-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver partially stores HW timestamping configuration, but missing
pieces can be read from HW. Add callback to report configuration.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-8-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores HW timestamping configuration and can technically
report it. Add callback to do it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-7-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores HW configuration and can technically report it.
Add callback to do it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-6-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores configuration of TX timestamping and can technically
report it. Patch RX timestamp configuration storage to be more precise
on reporting and add callback to actually report it.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-5-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver stores configuration information and can technically report
it. Implement hwtstamp_get callback to report the configuration.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251124181151.277256-4-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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