When HW GRO is enabled, forwarding of packets is broken due to gso_size
being set incorrectly on non GRO packets.
Non GRO packets have a skb GRO count of 1. mlx5 always sets gso_size on
the skb, even for non GRO packets. It leans on the fact that gso_size is
normally reset in napi_gro_complete(). But this happens only for packets
from GRO'able protocols (TCP/UDP) that have a gro_receive() handler.
The problematic scenarios are:
1) Non GRO protocol packets are received, validate_xmit_skb() will drop
them (see EPROTONOSUPPORT in skb_mac_gso_segment()). The fix for
this case would be to not set gso_size at all for SHAMPO packets with
header size 0.
2) Packets from a GRO'ed protocol (TCP) are received but immediately
flushed because they are not GRO'able (TCP SYN for example).
mlx5e_shampo_update_hdr(), which updates the remaining GRO state on
the skb, is not called because skb GRO count is 1. The fix here would
be to always call mlx5e_shampo_update_hdr(), regardless of skb GRO
count. But this call is expensive
The unified fix for both cases is to reset gso_size before calling
napi_gro_receive(). It is a change that is more effective (no call to
mlx5e_shampo_update_hdr() necessary) and simple (smallest code
footprint).
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-6-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the following scenario:
ethtool --features eth3 rx-gro-hw on
ethtool --features eth3 rx-fcs on
ethtool --features eth3 rx-fcs off
... there is a firmware error because the driver enables HW GRO first
while FCS is still enabled.
This patch fixes this by swapping the order of HW GRO and FCS for this
specific case. Take LRO into consideration as well for consistency.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When all the strides in a WQE have been consumed, the WQE is unlinked
from the WQ linked list (mlx5_wq_ll_pop()). For SHAMPO, it is possible
to receive CQEs with 0 consumed strides for the same WQE even after the
WQE is fully consumed and unlinked. This triggers an additional unlink
for the same wqe which corrupts the linked list.
Fix this scenario by accepting 0 sized consumed strides without
unlinking the WQE again.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Under the following conditions:
1) No skb created yet
2) header_size == 0 (no SHAMPO header)
3) header_index + 1 % MLX5E_SHAMPO_WQ_HEADER_PER_PAGE == 0 (this is the
last page fragment of a SHAMPO header page)
a new skb is formed with a page that is NOT a SHAMPO header page (it
is a regular data page). Further down in the same function
(mlx5e_handle_rx_cqe_mpwrq_shampo()), a SHAMPO header page from
header_index is released. This is wrong and it leads to SHAMPO header
pages being released more than once.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240603212219.1037656-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jacob Keller says:
====================
Intel Wired LAN Driver Updates 2024-05-29 (ice, igc)
This series includes fixes for the ice driver as well as a fix for the igc
driver.
Jacob fixes two issues in the ice driver with reading the NVM for providing
firmware data via devlink info. First, fix an off-by-one error when reading
the Preserved Fields Area, resolving an infinite loop triggered on some
NVMs which lack certain data in the NVM. Second, fix the reading of the NVM
Shadow RAM on newer E830 and E825-C devices which have a variable sized CSS
header rather than assuming this header is always the same fixed size as in
the E810 devices.
Larysa fixes three issues with the ice driver XDP logic that could occur if
the number of queues is changed after enabling an XDP program. First, the
af_xdp_zc_qps bitmap is removed and replaced by simpler logic to track
whether queues are in zero-copy mode. Second, the reset and .ndo_bpf flows
are distinguished to avoid potential races with a PF reset occuring
simultaneously to .ndo_bpf callback from userspace. Third, the logic for
mapping XDP queues to vectors is fixed so that XDP state is restored for
XDP queues after a reconfiguration.
Sasha fixes reporting of Energy Efficient Ethernet support via ethtool in
the igc driver.
v1: https://lore.kernel.org/r/20240530-net-2024-05-30-intel-net-fixes-v1-0-8b11c8c9bff8@intel.com
====================
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-0-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The commit 01cf893bf0f4 ("net: intel: i40e/igc: Remove setting Autoneg in
EEE capabilities") removed SUPPORTED_Autoneg field but left inappropriate
ethtool_keee structure initialization. When "ethtool --show <device>"
(get_eee) invoke, the 'ethtool_keee' structure was accidentally overridden.
Remove the 'ethtool_keee' overriding and add EEE declaration as per IEEE
specification that allows reporting Energy Efficient Ethernet capabilities.
Examples:
Before fix:
ethtool --show-eee enp174s0
EEE settings for enp174s0:
EEE status: not supported
After fix:
EEE settings for enp174s0:
EEE status: disabled
Tx LPI: disabled
Supported EEE link modes: 100baseT/Full
1000baseT/Full
2500baseT/Full
Fixes: 01cf893bf0f4 ("net: intel: i40e/igc: Remove setting Autoneg in EEE capabilities")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-6-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ice_pf_dcb_recfg() re-maps queues to vectors with
ice_vsi_map_rings_to_vectors(), which does not restore the previous
state for XDP queues. This leads to no AF_XDP traffic after rebuild.
Map XDP queues to vectors in ice_vsi_map_rings_to_vectors().
Also, move the code around, so XDP queues are mapped independently only
through .ndo_bpf().
Fixes: 6624e780a577 ("ice: split ice_vsi_setup into smaller functions")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-5-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 6624e780a577 ("ice: split ice_vsi_setup into smaller functions")
has placed ice_vsi_free_q_vectors() after ice_destroy_xdp_rings() in
the rebuild process. The behaviour of the XDP rings config functions is
context-dependent, so the change of order has led to
ice_destroy_xdp_rings() doing additional work and removing XDP prog, when
it was supposed to be preserved.
Also, dependency on the PF state reset flags creates an additional,
fortunately less common problem:
* PFR is requested e.g. by tx_timeout handler
* .ndo_bpf() is asked to delete the program, calls ice_destroy_xdp_rings(),
but reset flag is set, so rings are destroyed without deleting the
program
* ice_vsi_rebuild tries to delete non-existent XDP rings, because the
program is still on the VSI
* system crashes
With a similar race, when requested to attach a program,
ice_prepare_xdp_rings() can actually skip setting the program in the VSI
and nevertheless report success.
Instead of reverting to the old order of function calls, add an enum
argument to both ice_prepare_xdp_rings() and ice_destroy_xdp_rings() in
order to distinguish between calls from rebuild and .ndo_bpf().
Fixes: efc2214b6047 ("ice: Add support for XDP")
Reviewed-by: Igor Bagnucki <igor.bagnucki@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-4-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Referenced commit has introduced a bitmap to distinguish between ZC and
copy-mode AF_XDP queues, because xsk_get_pool_from_qid() does not do this
for us.
The bitmap would be especially useful when restoring previous state after
rebuild, if only it was not reallocated in the process. This leads to e.g.
xdpsock dying after changing number of queues.
Instead of preserving the bitmap during the rebuild, remove it completely
and distinguish between ZC and copy-mode queues based on the presence of
a device associated with the pool.
Fixes: e102db780e1c ("ice: track AF_XDP ZC enabled queues in bitmap")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-3-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ice driver reads data from the Shadow RAM portion of the NVM during
initialization, including data used to identify the NVM image and device,
such as the ETRACK ID used to populate devlink dev info fw.bundle.
Currently it is using a fixed offset defined by ICE_CSS_HEADER_LENGTH to
compute the appropriate offset. This worked fine for E810 and E822 devices
which both have CSS header length of 330 words.
Other devices, including both E825-C and E830 devices have different sizes
for their CSS header. The use of a hard coded value results in the driver
reading from the wrong block in the NVM when attempting to access the
Shadow RAM copy. This results in the driver reporting the fw.bundle as 0x0
in both the devlink dev info and ethtool -i output.
The first E830 support was introduced by commit ba20ecb1d1bb ("ice: Hook up
4 E830 devices by adding their IDs") and the first E825-C support was
introducted by commit f64e18944233 ("ice: introduce new E825C devices
family")
The NVM actually contains the CSS header length embedded in it. Remove the
hard coded value and replace it with logic to read the length from the NVM
directly. This is more resilient against all existing and future hardware,
vs looking up the expected values from a table. It ensures the driver will
read from the appropriate place when determining the ETRACK ID value used
for populating the fw.bundle_id and for reporting in ethtool -i.
The CSS header length for both the active and inactive flash bank is stored
in the ice_bank_info structure to avoid unnecessary duplicate work when
accessing multiple words of the Shadow RAM. Both banks are read in the
unlikely event that the header length is different for the NVM in the
inactive bank, rather than being different only by the overall device
family.
Fixes: ba20ecb1d1bb ("ice: Hook up 4 E830 devices by adding their IDs")
Co-developed-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-2-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ice_get_pfa_module_tlv() function iterates over the Type-Length-Value
structures in the Preserved Fields Area (PFA) of the NVM. This is used by
the driver to access data such as the Part Board Assembly identifier.
The function uses simple logic to iterate over the PFA. First, the pointer
to the PFA in the NVM is read. Then the total length of the PFA is read
from the first word.
A pointer to the first TLV is initialized, and a simple loop iterates over
each TLV. The pointer is moved forward through the NVM until it exceeds the
PFA area.
The logic seems sound, but it is missing a key detail. The Preserved
Fields Area length includes one additional final word. This is documented
in the device data sheet as a dummy word which contains 0xFFFF. All NVMs
have this extra word.
If the driver tries to scan for a TLV that is not in the PFA, it will read
past the size of the PFA. It reads and interprets the last dummy word of
the PFA as a TLV with type 0xFFFF. It then reads the word following the PFA
as a length.
The PFA resides within the Shadow RAM portion of the NVM, which is
relatively small. All of its offsets are within a 16-bit size. The PFA
pointer and TLV pointer are stored by the driver as 16-bit values.
In almost all cases, the word following the PFA will be such that
interpreting it as a length will result in 16-bit arithmetic overflow. Once
overflowed, the new next_tlv value is now below the maximum offset of the
PFA. Thus, the driver will continue to iterate the data as TLVs. In the
worst case, the driver hits on a sequence of reads which loop back to
reading the same offsets in an endless loop.
To fix this, we need to correct the loop iteration check to account for
this extra word at the end of the PFA. This alone is sufficient to resolve
the known cases of this issue in the field. However, it is plausible that
an NVM could be misconfigured or have corrupt data which results in the
same kind of overflow. Protect against this by using check_add_overflow
when calculating both the maximum offset of the TLVs, and when calculating
the next_tlv offset at the end of each loop iteration. This ensures that
the driver will not get stuck in an infinite loop when scanning the PFA.
Fixes: e961b679fb0b ("ice: add board identifier info to devlink .info_get")
Co-developed-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20240603-net-2024-05-30-intel-net-fixes-v2-1-e3563aa89b0c@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fixed MAC addresses help with debugging as last four bytes identify the
network namespace.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Link: https://lore.kernel.org/r/20240603093322.3150030-1-lukma@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fixed MAC addresses help with debugging as last four bytes identify the
network namespace.
Moreover, it allows to mimic the real life setup with for example bridge
having the same MAC address on each port.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Link: https://lore.kernel.org/r/20240603093322.3150030-2-lukma@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-06-05
We've added 8 non-merge commits during the last 6 day(s) which contain
a total of 9 files changed, 34 insertions(+), 35 deletions(-).
The main changes are:
1) Fix a potential use-after-free in bpf_link_free when the link uses
dealloc_deferred to free the link object but later still tests for
presence of link->ops->dealloc, from Cong Wang.
2) Fix BPF test infra to set the run context for rawtp test_run callback
where syzbot reported a crash, from Jiri Olsa.
3) Fix bpf_session_cookie BTF_ID in the special_kfunc_set list to exclude
it for the case of !CONFIG_FPROBE, also from Jiri Olsa.
4) Fix a Coverity static analysis report to not close() a link_fd of -1
in the multi-uprobe feature detector, from Andrii Nakryiko.
5) Revert support for redirect to any xsk socket bound to the same umem
as it can result in corrupted ring state which can lead to a crash when
flushing rings. A different approach will be pursued for bpf-next to
address it safely, from Magnus Karlsson.
6) Fix inet_csk_accept prototype in test_sk_storage_tracing.c which caused
BPF CI failure after the last tree fast forwarding, from Andrii Nakryiko.
7) Fix a coccicheck warning in BPF devmap that iterator variable cannot
be NULL, from Thorsten Blum.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
Revert "xsk: Document ability to redirect to any socket bound to the same umem"
Revert "xsk: Support redirect to any socket bound to the same umem"
bpf: Set run context for rawtp test_run callback
bpf: Fix a potential use-after-free in bpf_link_free()
bpf, devmap: Remove unnecessary if check in for loop
libbpf: don't close(-1) in multi-uprobe feature detector
bpf: Fix bpf_session_cookie BTF_ID in special_kfunc_set list
selftests/bpf: fix inet_csk_accept prototype in test_sk_storage_tracing.c
====================
Link: https://lore.kernel.org/r/20240605091525.22628-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On failed verification of PTP clock pin, error message prints channel
number instead of pin index after "pin", which is incorrect.
Fix error message by adding channel number to the message and printing
pin number instead of channel number.
Fixes: 6092315dfdec ("ptp: introduce programmable pins.")
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20240604120555.16643-1-karol.kolacinski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ronak Doshi says:
====================
vmxnet3: upgrade to version 9
vmxnet3 emulation has recently added timestamping feature which allows the
hypervisor (ESXi) to calculate latency from guest virtual NIC driver to all
the way up to the physical NIC. This patch series extends vmxnet3 driver
to leverage these new feature.
Compatibility is maintained using existing vmxnet3 versioning mechanism as
follows:
- new features added to vmxnet3 emulation are associated with new vmxnet3
version viz. vmxnet3 version 9.
- emulation advertises all the versions it supports to the driver.
- during initialization, vmxnet3 driver picks the highest version number
supported by both the emulation and the driver and configures emulation
to run at that version.
In particular, following changes are introduced:
Patch 1:
This patch introduces utility macros for vmxnet3 version 9 comparison
and updates Copyright information.
Patch 2:
This patch adds support to timestamp the packets so as to allow latency
measurement in the ESXi.
Patch 3:
This patch adds support to disable certain offloads on the device based
on the request specified by the user in the VM configuration.
Patch 4:
With all vmxnet3 version 9 changes incorporated in the vmxnet3 driver,
with this patch, the driver can configure emulation to run at vmxnet3
version 9.
====================
Link: https://lore.kernel.org/r/20240531193050.4132-1-ronak.doshi@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With all vmxnet3 version 9 changes incorporated in the vmxnet3 driver,
the driver can configure emulation to run at vmxnet3 version 9, provided
the emulation advertises support for version 9.
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Guolin Yang <guolin.yang@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240531193050.4132-5-ronak.doshi@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a new command to disable certain offloads. This
allows user to specify, using VM configuration, if certain offloads
need to be disabled.
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Guolin Yang <guolin.yang@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240531193050.4132-4-ronak.doshi@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch enhances vmxnet3 to support latency measurement.
This support will help to track the latency in packet processing
between guest virtual nic driver and host. For this purpose, we
introduce a new timestamp ring in vmxnet3 which will be per Tx/Rx
queue. This ring will be used to carry timestamp of the packets
which will be used to calculate the latency.
User can enable latency measurement using realtime knob in vnic
setting in VCenter.
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Guolin Yang <guolin.yang@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240531193050.4132-3-ronak.doshi@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
vmxnet3 is currently at version 7 and this patch initiates the
preparation to accommodate changes for up to version 9. Introduced
utility macros for vmxnet3 version 9 comparison and update Copyright
information.
Signed-off-by: Ronak Doshi <ronak.doshi@broadcom.com>
Acked-by: Guolin Yang <guolin.yang@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240531193050.4132-2-ronak.doshi@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,
taprio_parse_mqprio_opt() must validate it, or userspace
can inject arbitrary data to the kernel, the second time
taprio_change() is called.
First call (with valid attributes) sets dev->num_tc
to a non zero value.
Second call (with arbitrary mqprio attributes)
returns early from taprio_parse_mqprio_opt()
and bad things can happen.
Fixes: a3d43c0d56f1 ("taprio: Add support adding an admin schedule")
Reported-by: Noam Rathaus <noamr@ssd-disclosure.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20240604181511.769870-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current ionic devices only support 52 internal physical address
lines. This is sufficient for x86_64 systems which have similar
limitations but does not apply to all other architectures,
notably IBM POWER (ppc64). To ensure that MSI/MSI-X vectors are
not set outside the physical address limits of the NIC, set the
no_64bit_msi value of the pci_dev structure during device probe.
Signed-off-by: David Christensen <drc@linux.ibm.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240603212747.1079134-1-drc@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix issues related to the handling of invalid trip points in the thermal
core and in the thermal debug code that have been overlooked by some
recent thermal control core changes.
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Merge tag 'thermal-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Fix issues related to the handling of invalid trip points in the
thermal core and in the thermal debug code that have been overlooked
by some recent thermal control core changes"
* tag 'thermal-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: trip: Trigger trip down notifications when trips involved in mitigation become invalid
thermal: core: Introduce thermal_trip_crossed()
thermal/debugfs: Allow tze_seq_show() to print statistics for invalid trips
thermal/debugfs: Print initial trip temperature and hysteresis in tze_seq_show()
- Fix error handling during EC operation region accesses in the ACPI EC
driver (Armin Wolf).
- Fix a memory leak in the APEI error injection driver introduced
during its converion to a platform driver (Dan Williams).
- Fix build failures related to the dev_is_pnp() macro by redefining it
as a proper function and exporting it to modules as appropriate and
unexport pnp_bus_type which need not be exported any more (Andy
Shevchenko).
- Update the ACPI AC driver to use power_supply_changed() to let the
power supply core handle configuration changes properly (Thomas
Weißschuh).
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Merge tag 'acpi-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix the ACPI EC and AC drivers, the ACPI APEI error injection
driver and build issues related to the dev_is_pnp() macro referring to
pnp_bus_type that is not exported to modules.
Specifics:
- Fix error handling during EC operation region accesses in the ACPI
EC driver (Armin Wolf)
- Fix a memory leak in the APEI error injection driver introduced
during its converion to a platform driver (Dan Williams)
- Fix build failures related to the dev_is_pnp() macro by redefining
it as a proper function and exporting it to modules as appropriate
and unexport pnp_bus_type which need not be exported any more (Andy
Shevchenko)
- Update the ACPI AC driver to use power_supply_changed() to let the
power supply core handle configuration changes properly (Thomas
Weißschuh)"
* tag 'acpi-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: AC: Properly notify powermanagement core about changes
PNP: Hide pnp_bus_type from the non-PNP code
PNP: Make dev_is_pnp() to be a function and export it for modules
ACPI: EC: Avoid returning AE_OK on errors in address space handler
ACPI: EC: Abort address space access upon error
ACPI: APEI: EINJ: Fix einj_dev release leak
- Fix a recently introduced unchecked HWP MSR access in the
intel_pstate driver (Srinivas Pandruvada).
- Add missing conversion from MHz to KHz to amd_pstate_set_boost()
to address sysfs inteface inconsistency and fix P-state frequency
reporting on AMD Family 1Ah CPUs in the cpupower utility (Dhananjay
Ugwekar).
- Get rid of an excess global header file used by the amd-pstate
cpufreq driver (Arnd Bergmann).
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Merge tag 'pm-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the intel_pstate and amd-pstate cpufreq drivers and the
cpupower utility.
Specifics:
- Fix a recently introduced unchecked HWP MSR access in the
intel_pstate driver (Srinivas Pandruvada)
- Add missing conversion from MHz to KHz to amd_pstate_set_boost() to
address sysfs inteface inconsistency and fix P-state frequency
reporting on AMD Family 1Ah CPUs in the cpupower utility (Dhananjay
Ugwekar)
- Get rid of an excess global header file used by the amd-pstate
cpufreq driver (Arnd Bergmann)"
* tag 'pm-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Fix unchecked HWP MSR access
cpufreq: amd-pstate: Fix the inconsistency in max frequency units
cpufreq: amd-pstate: remove global header file
tools/power/cpupower: Fix Pstate frequency reporting on AMD Family 1Ah CPUs
atomic_dec_if_positive returns new value regardless if it is updated or
not. The commit in fixes changed the behavior of the condition to one
that differs from original code. Restore original condition to properly
maintain atomic counter.
Fixes: 165f87691a89 ("bnxt_en: add timestamping statistics support")
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240604091939.785535-1-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In case of flow rule creation fail in mlx5_lag_create_port_sel_table(),
instead of previously created rules, the tainted pointer is deleted
deveral times.
Fix this bug by using correct flow rules pointers.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 352899f384d4 ("net/mlx5: Lag, use buckets in hash mode")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240604100552.25201-1-amishin@t-argos.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ath12k
* remove unsupported tx monitor handling
* channel 2 in 6 GHz band support
* Spatial Multiplexing Power Save (SMPS) in 6 GHz band support
* multiple BSSID (MBSSID) and Enhanced Multi-BSSID Advertisements (EMA) support
* dynamic VLAN support
* add panic handler for resetting the firmware state
ath10k
* add qcom,no-msa-ready-indicator Device Tree property
* LED support for various chipsets
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Merge tag 'ath-next-20240605' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath
ath.git patches for v6.11
ath12k
* remove unsupported tx monitor handling
* channel 2 in 6 GHz band support
* Spatial Multiplexing Power Save (SMPS) in 6 GHz band support
* multiple BSSID (MBSSID) and Enhanced Multi-BSSID Advertisements (EMA) support
* dynamic VLAN support
* add panic handler for resetting the firmware state
ath10k
* add qcom,no-msa-ready-indicator Device Tree property
* LED support for various chipsets
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Merge tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"A fix for fast fsync that needs to handle errors during writes after
some COW failure so it does not lead to an inconsistent state"
* tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: ensure fast fsync waits for ordered extents after a write failure
Just a few small fixes.
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Merge tag 'bcachefs-2024-06-05' of https://evilpiepirate.org/git/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Just a few small fixes"
* tag 'bcachefs-2024-06-05' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix trans->locked assert
bcachefs: Rereplicate now moves data off of durability=0 devices
bcachefs: Fix GFP_KERNEL allocation in break_cycle()
Some fixes and refactors of rtlwifi, rtw88 and rtw89. Only one major change
listed below:
rtlwifi:
- add new chip support of RTL8192DU
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Merge tag 'rtw-next-2024-06-04' of https://github.com/pkshih/rtw
rtw-next patches for v6.11
Some fixes and refactors of rtlwifi, rtw88 and rtw89. Only one major change
listed below:
rtlwifi:
- add new chip support of RTL8192DU
one dependency in the drm subsystem fell through the cracks and was only
applied for rc2. Now, we can finally remove I2C_CLASS_SPD.
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Merge tag 'i2c-for-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"This should have been my second pull request during the merge window
but one dependency in the drm subsystem fell through the cracks and
was only applied for rc2.
Now we can finally remove I2C_CLASS_SPD"
* tag 'i2c-for-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Remove I2C_CLASS_SPD
i2c: synquacer: Remove a clk reference from struct synquacer_i2c
The bug fix for tpm_tis_core_init() is not that critical but still makes
sense to get into release for the sake of better quality. I included the
Intel CPU model define change mainly to help Tony just a bit, as for this
subsystem it cannot realistically speaking cause any possible harm.
BR, Jarkko
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Merge tag 'tpmdd-next-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm fixes from Jarkko Sakkinen:
"The bug fix for tpm_tis_core_init() is not that critical but still
makes sense to get into release for the sake of better quality.
I included the Intel CPU model define change mainly to help Tony just
a bit, as for this subsystem it cannot realistically speaking cause
any possible harm"
* tag 'tpmdd-next-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: Switch to new Intel CPU model defines
tpm_tis: Do *not* flush uninitialized work
* Large set of FP/SVE fixes for pKVM, addressing the fallout
from the per-CPU data rework and making sure that the host
is not involved in the FP/SVE switching any more
* Allow FEAT_BTI to be enabled with NV now that FEAT_PAUTH
is completely supported
* Fix for the respective priorities of Failed PAC, Illegal
Execution state and Instruction Abort exceptions
* Fix the handling of AArch32 instruction traps failing their
condition code, which was broken by the introduction of
ESR_EL2.ISS2
* Allow vcpus running in AArch32 state to be restored in
System mode
* Fix AArch32 GPR restore that would lose the 64 bit state
under some conditions
RISC-V:
* No need to use mask when hart-index-bits is 0
* Fix incorrect reg_subtype labels in kvm_riscv_vcpu_set_reg_isa_ext()
x86:
* Fixes and debugging help for the #VE sanity check. Also disable
it by default, even for CONFIG_DEBUG_KERNEL, because it was found
to trigger spuriously (most likely a processor erratum as the
exact symptoms vary by generation).
* Avoid WARN() when two NMIs arrive simultaneously during an NMI-disabled
situation (GIF=0 or interrupt shadow) when the processor supports
virtual NMI. While generally KVM will not request an NMI window
when virtual NMIs are supported, in this case it *does* have to
single-step over the interrupt shadow or enable the STGI intercept,
in order to deliver the latched second NMI.
* Drop support for hand tuning APIC timer advancement from userspace.
Since we have adaptive tuning, and it has proved to work well,
drop the module parameter for manual configuration and with it a
few stupid bugs that it had.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"This is dominated by a couple large series for ARM and x86
respectively, but apart from that things are calm.
ARM:
- Large set of FP/SVE fixes for pKVM, addressing the fallout from the
per-CPU data rework and making sure that the host is not involved
in the FP/SVE switching any more
- Allow FEAT_BTI to be enabled with NV now that FEAT_PAUTH is
completely supported
- Fix for the respective priorities of Failed PAC, Illegal Execution
state and Instruction Abort exceptions
- Fix the handling of AArch32 instruction traps failing their
condition code, which was broken by the introduction of
ESR_EL2.ISS2
- Allow vcpus running in AArch32 state to be restored in System mode
- Fix AArch32 GPR restore that would lose the 64 bit state under some
conditions
RISC-V:
- No need to use mask when hart-index-bits is 0
- Fix incorrect reg_subtype labels in
kvm_riscv_vcpu_set_reg_isa_ext()
x86:
- Fixes and debugging help for the #VE sanity check.
Also disable it by default, even for CONFIG_DEBUG_KERNEL, because
it was found to trigger spuriously (most likely a processor erratum
as the exact symptoms vary by generation).
- Avoid WARN() when two NMIs arrive simultaneously during an
NMI-disabled situation (GIF=0 or interrupt shadow) when the
processor supports virtual NMI.
While generally KVM will not request an NMI window when virtual
NMIs are supported, in this case it *does* have to single-step over
the interrupt shadow or enable the STGI intercept, in order to
deliver the latched second NMI.
- Drop support for hand tuning APIC timer advancement from userspace.
Since we have adaptive tuning, and it has proved to work well, drop
the module parameter for manual configuration and with it a few
stupid bugs that it had"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (32 commits)
KVM: x86/mmu: Don't save mmu_invalidate_seq after checking private attr
KVM: arm64: Ensure that SME controls are disabled in protected mode
KVM: arm64: Refactor CPACR trap bit setting/clearing to use ELx format
KVM: arm64: Consolidate initializing the host data's fpsimd_state/sve in pKVM
KVM: arm64: Eagerly restore host fpsimd/sve state in pKVM
KVM: arm64: Allocate memory mapped at hyp for host sve state in pKVM
KVM: arm64: Specialize handling of host fpsimd state on trap
KVM: arm64: Abstract set/clear of CPTR_EL2 bits behind helper
KVM: arm64: Fix prototype for __sve_save_state/__sve_restore_state
KVM: arm64: Reintroduce __sve_save_state
KVM: x86: Drop support for hand tuning APIC timer advancement from userspace
KVM: SEV-ES: Delegate LBR virtualization to the processor
KVM: SEV-ES: Disallow SEV-ES guests when X86_FEATURE_LBRV is absent
KVM: SEV-ES: Prevent MSR access post VMSA encryption
RISC-V: KVM: Fix incorrect reg_subtype labels in kvm_riscv_vcpu_set_reg_isa_ext function
RISC-V: KVM: No need to use mask when hart-index-bit is 0
KVM: arm64: nv: Expose BTI and CSV_frac to a guest hypervisor
KVM: arm64: nv: Fix relative priorities of exceptions generated by ERETAx
KVM: arm64: AArch32: Fix spurious trapping of conditional instructions
KVM: arm64: Allow AArch32 PSTATE.M to be restored as System mode
...
Merge cpufreq fixes for 6.10-rc3:
- Fix a recently introduced unchecked HWP MSR access in the
intel_pstate driver (Srinivas Pandruvada).
- Add missing conversion from MHz to KHz to amd_pstate_set_boost()
to address sysfs inteface inconsistency (Dhananjay Ugwekar).
- Get rid of an excess global header file used by the amd-pstate
cpufreq driver (Arnd Bergmann).
* pm-cpufreq:
cpufreq: intel_pstate: Fix unchecked HWP MSR access
cpufreq: amd-pstate: Fix the inconsistency in max frequency units
cpufreq: amd-pstate: remove global header file
Merge ACPI EC driver fixes, an ACPI APEI fix and PNP fixes for
6.10-rc3:
- Fix error handling during EC operation region accesses in the ACPI EC
driver (Armin Wolf).
- Fix a memory leak in the APEI error injection driver introduced
during its converion to a platform driver (Dan Williams).
- Fix build failures related to the dev_is_pnp() macro by redefining it
as a proper function and exporting it to modules as appropriate and
unexport pnp_bus_type which need not be exported any more (Andy
Shevchenko).
* acpi-ec:
ACPI: EC: Avoid returning AE_OK on errors in address space handler
ACPI: EC: Abort address space access upon error
* acpi-apei:
ACPI: APEI: EINJ: Fix einj_dev release leak
* pnp:
PNP: Hide pnp_bus_type from the non-PNP code
PNP: Make dev_is_pnp() to be a function and export it for modules
Now that all libbpf/bpftool code switched to btf_field_iter, remove
btf_type_visit_type_ids() and btf_type_visit_str_offs() callback-based
helpers as not needed anymore.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-6-andrii@kernel.org
Switch bpftool's code which is using libbpf-internal
btf_type_visit_type_ids() helper to new btf_field_iter functionality.
This makes bpftool code simpler, but also unblocks removing libbpf's
btf_type_visit_type_ids() helper completely.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Quentin Monnet <qmo@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-5-andrii@kernel.org
Use new BTF field iterator logic to replace all the callback-based
visitor calls. There is still a .BTF.ext callback-based visitor APIs
that should be converted, which will happens as a follow up.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-4-andrii@kernel.org
Switch all BPF linker code dealing with iterating BTF type ID and string
offset fields to new btf_field_iter facilities.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-3-andrii@kernel.org
Implement iterator-based type ID and string offset BTF field iterator.
This is used extensively in BTF-handling code and BPF linker code for
various sanity checks, rewriting IDs/offsets, etc. Currently this is
implemented as visitor pattern calling custom callbacks, which makes the
logic (especially in simple cases) unnecessarily obscure and harder to
follow.
Having equivalent functionality using iterator pattern makes for simpler
to understand and maintain code. As we add more code for BTF processing
logic in libbpf, it's best to switch to iterator pattern before adding
more callback-based code.
The idea for iterator-based implementation is to record offsets of
necessary fields within fixed btf_type parts (which should be iterated
just once), and, for kinds that have multiple members (based on vlen
field), record where in each member necessary fields are located.
Generic iteration code then just keeps track of last offset that was
returned and handles N members correctly. Return type is just u32
pointer, where NULL is returned when all relevant fields were already
iterated.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240605001629.4061937-2-andrii@kernel.org
in bch2_move_data_btree, we might start with the trans unlocked from a
previous loop iteration - we need a trans_begin() before iter_init().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This fixes an issue where setting a device to durability=0 after it's
been used makes it impossible to remove.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Tariq Toukan says:
====================
mlx5 core fixes 20240603
This small patchset provides two bug fixes from the team to the mlx5 core driver.
Series generated against:
commit 33700a0c9b56 ("net/tcp: Don't consider TCP_CLOSE in TCP_AO_ESTABLISHED")
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case pci channel becomes offline the driver should not wait for PCI
reads during health dump and recovery flow. The driver has timeout for
each of these loops trying to read PCI, so it would fail anyway.
However, in case of recovery waiting till timeout may cause the pci
error_detected() callback fail to meet pci_dpc_recovered() wait timeout.
Fixes: b3bd076f7501 ("net/mlx5: Report devlink health on FW fatal issues")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Shay Drori <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mainline MTK ethernet driver suffers long time from rarly but
annoying tx queue timeouts. We think that this is caused by fixed
dma sizes hardcoded for all SoCs.
We suspect this problem arises from a low level of free TX DMADs,
the TX Ring alomost full.
The transmit timeout is caused by the Tx queue not waking up. The
Tx queue stops when the free counter is less than ring->thres, and
it will wake up once the free counter is greater than ring->thres.
If the CPU is too late to wake up the Tx queues, it may cause a
transmit timeout.
Therefore, we increased the TX and RX DMADs to improve this error
situation.
Use the dma-size implementation from SDK in a per SoC manner. In
difference to SDK we have no RSS feature yet, so all RX/TX sizes
should be raised from 512 to 2048 byte except fqdma on mt7988 to
avoid the tx timeout issue.
Fixes: 656e705243fd ("net-next: mediatek: add support for MT7623 ethernet")
Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kevin Yang says:
====================
tcp: add sysctl_tcp_rto_min_us
Adding a sysctl knob to allow user to specify a default
rto_min at socket init time.
After this patch series, the rto_min will has multiple sources:
route option has the highest precedence, followed by the
TCP_BPF_RTO_MIN socket option, followed by this new
tcp_rto_min_us sysctl.
v3:
fix typo, simplify min/max_t to min/max
v2:
fit line width to 80 column.
v2: https://lore.kernel.org/netdev/20240530153436.2202800-1-yyd@google.com/
v1: https://lore.kernel.org/netdev/20240528171320.1332292-1-yyd@google.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
