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Add support to handle interrupts for the RX completion queue and
RX buffer queue. When the interrupt fires on RX completion queue,
process the RX descriptors that are received. Allocate and prepare
the SKB with the RX packet info, for both data and header buffer.
IDPF uses software maintained refill queues to manage buffers between
RX queue producer and the buffer queue consumer. They are required in
order to maintain a lockless buffer management system and are strictly
software only constructs. Instead of updating the RX buffer queue tail
with available buffers right after the clean routine, it posts the
buffer ids to the refill queues, only to post them to the HW later.
If the generic receive offload (GRO) is enabled in the capabilities
and turned on by default or via ethtool, then HW performs the
packet coalescing if certain criteria are met by the incoming
packets and updates the RX descriptor. Similar to GRO, if generic
checksum is enabled, HW computes the checksum and updates the
respective fields in the descriptor. Add support to update the
SKB fields with the GRO and the generic checksum received.
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add support to handle the interrupts for the TX completion queue and
process the various completion types.
In the flow scheduling mode, the driver processes primarily buffer
completions as well as descriptor completions occasionally. This mode
supports out of order TX completions. To do so, HW generates one buffer
completion per packet. Each of those completions contains the unique tag
provided during the TX encoding which is used to locate the packet either
on the TX buffer ring or in a hash table. The hash table is used to track
TX buffer information so the descriptor(s) for a given packet can be
reused while the driver is still waiting on the buffer completion(s).
Packets end up in the hash table in one of 2 ways: 1) a packet was
stashed during descriptor completion cleaning, or 2) because an out of
order buffer completion was processed. A descriptor completion arrives
only every so often and is primarily used to guarantee the TX descriptor
ring can be reused without having to wait on the individual buffer
completions. E.g. a descriptor completion for N+16 guarantees HW read all
of the descriptors for packets N through N+15, therefore all of the
buffers for packets N through N+15 are stashed into the hash table and the
descriptors can be reused for more TX packets. Similarly, a packet can be
stashed in the hash table because an out an order buffer completion was
processed. E.g. processing a buffer completion for packet N+3 implies that
HW read all of the descriptors for packets N through N+3 and they can be
reused. However, the HW did not do the DMA yet. The buffers for packets N
through N+2 cannot be freed, so they are stashed in the hash table.
In either case, the buffer completions will eventually be processed for
all of the stashed packets, and all of the buffers will be cleaned from
the hash table.
In queue based scheduling mode, the driver processes primarily descriptor
completions and cleans the TX ring the conventional way.
Finally, the driver triggers a TX queue drain after sending the disable
queues virtchnl message. When the HW completes the queue draining, it
sends the driver a queue marker packet completion. The driver determines
when all TX queues have been drained and proceeds with the disable flow.
With this, the driver can send TX packets and clean up the resources
properly.
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add start_xmit support for split queue model. To start with, add the
necessary checks to linearize the skb if it uses more number of
buffers than the hardware supported limit. Stop the transmit queue
if there are no enough descriptors available for the skb to use or
if there we're going to potentially overrun the completion queue.
Finally prepare the descriptor with all the required
information and update the tail.
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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To further continue 'vport open', initialize all the resources
required for the interrupts. To start with, initialize the
queue vector indices with the ones received from the device
Control Plane. Now that all the TX and RX queues are initialized,
map the RX descriptor and buffer queues as well as TX completion
queues to the allocated vectors. Initialize and enable the napi
handler for the napi polling. Finally, request the IRQs for the
interrupt vectors from the stack and setup the interrupt handler.
Once the interrupt init is done, send 'map queue vector', 'enable
queues' and 'enable vport' virtchnl messages to the CP to complete
the 'vport open' flow.
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Similar to the TX, RX also supports both single and split queue models.
In single queue model, the same descriptor queue is used by SW to post
buffer descriptors to HW and by HW to post completed descriptors
to SW. In split queue model, "RX buffer queues" are used to pass
descriptor buffers from SW to HW whereas "RX queues" are used to
post the descriptor completions i.e. descriptors that point to
completed buffers, from HW to SW. "RX queue group" is a set of
RX queues grouped together and will be serviced by a "RX buffer queue
group". IDPF supports 2 buffer queues i.e. large buffer (4KB) queue
and small buffer (2KB) queue per buffer queue group. HW uses large
buffers for 'hardware gro' feature and also if the packet size is
more than 2KB, if not 2KB buffers are used.
Add all the resources required for the RX queues initialization.
Allocate memory for the RX queue and RX buffer queue groups. Initialize
the software maintained refill queues for buffer management algorithm.
Same like the TX queues, initialize the queue parameters for the RX
queues and send the config RX queue virtchnl message to the device
Control Plane.
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Alice Michael <alice.michael@intel.com>
Signed-off-by: Alice Michael <alice.michael@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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IDPF supports two queue models i.e. single queue which is a traditional
queueing model as well as split queue model. In single queue model,
the same descriptor queue is used by SW to post descriptors to the HW,
HW to post completed descriptors to SW. In split queue model, "TX Queues"
are used to pass buffers from SW to HW and "TX Completion Queues"
are used to post descriptor completions from HW to SW. Device supports
asymmetric ratio of TX queues to TX completion queues. Considering
this, queue group mechanism is used i.e. some TX queues are grouped
together which will be serviced by only one TX completion queue
per TX queue group.
Add all the resources required for the TX queues initialization.
To start with, allocate memory for the TX queue groups, TX queues and
TX completion queues. Then, allocate the descriptors for both TX and
TX completion queues, and bookkeeping buffers for TX queues alone.
Also, allocate queue vectors for the vport and initialize the TX queue
related fields for each queue vector.
Initialize the queue parameters such as q_id, q_type and tail register
offset with the info received from the device control plane (CP).
Once all the TX queues are configured, send config TX queue virtchnl
message to the CP with all the TX queue context information.
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Alice Michael <alice.michael@intel.com>
Signed-off-by: Alice Michael <alice.michael@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add the virtchnl support to request the packet types. Parse the responses
received from CP and based on the protocol headers, populate the packet
type structure with necessary information. Initialize the MAC address
and add the virtchnl support to add and del MAC address.
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Signed-off-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add the required support to create a vport by spawning
the init task. Once the vport is created, initialize and
allocate the resources needed for it. Configure and register
a netdev for each vport with all the features supported
by the device based on the capabilities received from the
device Control Plane. Spawn the init task till all the default
vports are created.
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Signed-off-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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As the mailbox is setup, add the necessary send and receive
mailbox message framework to support the virtchnl communication
between the driver and device Control Plane (CP).
Add the core initialization. To start with, driver confirms the
virtchnl version with the CP. Once that is done, it requests
and gets the required capabilities and resources needed such as
max vectors, queues etc.
Based on the vector information received in 'VIRTCHNL2_OP_GET_CAPS',
request the stack to allocate the required vectors. Finally add
the interrupt handling mechanism for the mailbox queue and enable
the interrupt.
Note: Checkpatch issues a warning about IDPF_FOREACH_VPORT_VC_STATE and
IDPF_GEN_STRING being complex macros and should be enclosed in parentheses
but it's not the case. They are never used as a statement and instead only
used to define the enum and array.
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Signed-off-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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At the end of the probe, initialize and schedule the event workqueue.
It calls the hard reset function where reset checks are done to find
if the device is out of the reset. Control queue initialization and
the necessary control queue support is added.
Introduce function pointers for the register operations which are
different between PF and VF devices.
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Signed-off-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add the required support to register IDPF PCI driver, as well as
probe and remove call backs. Enable the PCI device and request
the kernel to reserve the memory resources that will be used by the
driver. Finally map the BAR0 address space.
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Signed-off-by: Shailendra Bhatnagar <shailendra.bhatnagar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Co-developed-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Virtchnl version 1 is an interface used by the current generation of
foundational NICs to negotiate the capabilities and configure the
HW resources such as queues, vectors, RSS LUT, etc between the PF
and VF drivers. It is not extensible to enable new features supported
in the next generation of NICs/IPUs and to negotiate descriptor types,
packet types and register offsets.
To overcome the limitations of the existing interface, introduce
the virtchnl version 2 and add the necessary opcodes, structures,
definitions, and descriptor formats. The driver also learns the
data queue and other register offsets to use instead of hardcoding
them. The advantage of this approach is that it gives the flexibility
to modify the register offsets if needed, restrict the use of
certain descriptor types and negotiate the supported packet types.
Co-developed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Alan Brady <alan.brady@intel.com>
Co-developed-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Co-developed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Madhu Chittim <madhu.chittim@intel.com>
Co-developed-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Co-developed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Pavan Kumar Linga <pavan.kumar.linga@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull genpm / pmdomain rename from Ulf Hansson:
"This renames the genpd subsystem to pmdomain.
As discussed on LKML, using 'genpd' as the name of a subsystem isn't
very self-explanatory and the acronym itself that means Generic PM
Domain, is known only by a limited group of people.
The suggestion to improve the situation is to rename the subsystem to
'pmdomain', which there seems to be a good consensus around using.
Ideally it should indicate that its purpose is to manage Power Domains
or 'PM domains' as we often also use within the Linux Kernel
terminology"
* tag 'pmdomain-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: Rename the genpd subsystem to pmdomain
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git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm fix from Jarkko Sakkinen.
* tag 'tpmdd-v6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: Fix typo in tpmrm class definition
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
- fix reference to exported symbols for parisc64 [Masahiro Yamada]
- Block-TLB (BTLB) support on 32-bit CPUs
- sparse and build-warning fixes
* tag 'parisc-for-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
linux/export: fix reference to exported functions for parisc64
parisc: BTLB: Initialize BTLB tables at CPU startup
parisc: firmware: Simplify calling non-PA20 functions
parisc: BTLB: _edata symbol has to be page aligned for BTLB support
parisc: BTLB: Add BTLB insert and purge firmware function wrappers
parisc: BTLB: Clear possibly existing BTLB entries
parisc: Prepare for Block-TLB support on 32-bit kernel
parisc: shmparam.h: Document aliasing requirements of PA-RISC
parisc: irq: Make irq_stack_union static to avoid sparse warning
parisc: drivers: Fix sparse warning
parisc: iosapic.c: Fix sparse warnings
parisc: ccio-dma: Fix sparse warnings
parisc: sba-iommu: Fix sparse warnigs
parisc: sba: Fix compile warning wrt list of SBA devices
parisc: sba_iommu: Fix build warning if procfs if disabled
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Change the logging of each algorithm from info level to debug level.
On the original devices supported by this code there were typically only
one or two algorithms in a firmware and one or two DSPs so this logging
only used a small number of log lines.
However, for the latest devices there could be 30-40 algorithms in a
firmware and 8 DSPs being loaded in parallel, so using 300+ lines of log
for information that isn't particularly important to have logged.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230913160523.3701189-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Previously CRC stripping was always enabled for VF.
Now it is possible to turn off CRC stripping via ethtool:
#ethtool -K <interface> rx-fcs on
To turn off CRC stripping, first VLAN stripping must be disabled:
#ethtool -K <interface> rx-vlan-offload off
if any VLAN interfaces exists, otherwise VLAN stripping will be turned
off by the driver.
In iavf_configure_queues add check if CRC stripping is enabled for
VF, if it's enabled then set crc_disabled to false on every VF's
queue. In iavf_set_features add check if CRC stripping setting was
changed then schedule reset.
Signed-off-by: Norbert Zulinski <norbertx.zulinski@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When VLAN strip is enabled, the CRC strip must not be disabled. And when
the CRC strip is disabled, the VLAN strip should not be enabled.
The driver needs to check CRC strip disable setting parameter before
configuring the Rx/Tx queues, otherwise, in current error handling,
the already set Tx queue context doesn't roll back correctly, it will
cause the Tx queue setup failure next time:
"Failed to set LAN Tx queue context"
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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To support CRC strip enable/disable functionality, VF needs the explicit
request VIRTCHNL_VF_OFFLOAD_CRC offload. Then according to crc_disable
flag of Rx queue configuration information to set up the queue context.
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Getting a BAR can be an explanation if we're chasing packet loss. Add a
print with the relevant debug level in that code path.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.913e989a1751.I6bff9020e339d91b61b5ad6aede27bcf8c7e6819@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This can be moved to constants, while at it also rename
it to have a better name with MVM_ prefix.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.59823deebfda.Ied68b11ca40771d1cfc8c82ee8f9f2b9ea27da65@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Transition to d3 is much faster if there is no power save during the
transition. Therefore a new flag was added to the device power cmd to
indicate the power save isn't allowed until the transition is completed.
Set this flag in _iwl_mvm_suspend, when the transition begins.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.ced036106507.Ib5ed5a47ee35f624902bd8882dde3e559285965b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some new fields were added to the context info structure,
define them for future use.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.ef1553ab5178.I326ac8719566e04f799d294d8e863383cff87eaa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the firmware crashes in the de-activation / re-activation
of the link during CSA, we will not have a valid phy_ctxt
pointer in mvmvif. This is a legit case, but when mac80211
removes the station to cleanup our state during the
re-configuration, we need to make sure we clear ap_sta
otherwise we won't re-add the station after the firmware has
been restarted. Later on, we'd activate the link, try to send
a TLC command crash again on ASSERT 3508.
Fix this by properly cleaning up our state.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.2651e6f6a55a.I4cd50e88ee5c23c1c8dd5b157a800e4b4c96f236@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently we are setting the rate in the tx cmd for
mgmt frames (e.g. during connection establishment).
This was problematic when sending mgmt frames in eSR mode,
as we don't know what link this frame will be sent on
(This is decided by the FW), so we don't know what is the
lowest rate.
Fix this by not setting the rate in tx cmd and rely
on FW to choose the right one.
Set rate only for injected frames with fixed rate,
or when no sta is given.
Also set for important frames (EAPOL etc.) the High Priority flag.
Fixes: 055b22e770dd ("iwlwifi: mvm: Set Tx rate and flags when there is not station")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.6c7e59620ee0.I6eaed3ccdd6dd62b9e664facc484081fc5275843@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the channel bandwidth is greater or equal than 80MHz,
enable FILS DF transmittion, even if the control channel is non-PSC.
That's because that in 80MHz there must be a sub 20MHz PSC
channel, and since the FILS DF is duplicated on all sub 20MHz
channels, within the 80MHz (hence it will be sent on a PSC channel).
Also, if FILS DF Tx is enabled, always configure the firmware
with the actual channel bandwidth, even before there is a connected
client (rather than the minimum bandwidth e.g. 20MHz), since FILS
DF transmission on a PSC channel take presedent over power
consumption.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.83b9a76fc6c4.I6703111cc6befcd0e9cd9adf3cb127a648dbb7b1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the device initialized with ME active, this would indeed
work, since the NVM information would be obtained from ME.
However, in the much more likely case that ME isn't active
and the firmware takes actions requiring the sync, this was
not working correctly when the firmware is only run at init
to obtain NVM data, since mac80211 isn't even initialized.
Fix this by moving the 'pldr_sync' handling to a different
place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.45a94d480e56.Id9277f1df6a63ab0dfca0d0c0f448c759e1b8e73@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When we drop frames we want to have something printed in the logger.
This won't be printed by default of course.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.c2f02fecf66f.Ib472f9fd92856c6e5b5a99b68fdca0f694a531e9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Disable firmware debug asserts, which are used for internal
firmware testing purposes only.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.8feafd9b17be.Ia7bec82ac25897caab581692d67055aa1aca2ed2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This condition will never be true.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.56ff0569d16c.I455839fad0f4f05043815aee884fab9ec7323f7d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Enable the TOP (HW part) fatal error interrupt and add a
print when it happens. Currently FW always adds also the
SW error interrupt, but for >= Bz we'll need to do PLDR
in case this is asserted, so leave a TODO item already.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.127d914a4d0d.I41ea409df63474554ef727c49382d0b5bf15939e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the hardware is not responding, as indicated by (currently)
five consecutive HW errors during reading, then just give up
and fail, rather than attempting forever and forever for this
to not return any useful data anyway.
Even though we no longer completely deadlock the machine if it
takes a long time, we still make it pretty much unusable since
we'll eventually hold the RTNL while waiting for this process
to finish.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.345af79f431c.I5ecde6b76b1e3a1572bd59d3cf8f827e767cedeb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the bus has no parent due to the topology, the device rescan
(after some kind of reset was detected) wouldn't work. On the
other hand, some platforms appear to require scanning the parent,
though it's not clear why.
However if there's no parent, then we skip the rescan, which isn't a
good idea. Change the code to go to the parent only if that exists,
and rescan the bus itself where it doesn't.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.f7795a1ccdab.I2b84810a743469a1bcabf3628262cf54311593f4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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After commit 50f303496d92 ("igb: Enable SR-IOV after reinit"), removing
the igb module could hang or crash (depending on the machine) when the
module has been loaded with the max_vfs parameter set to some value != 0.
In case of one test machine with a dual port 82580, this hang occurred:
[ 232.480687] igb 0000:41:00.1: removed PHC on enp65s0f1
[ 233.093257] igb 0000:41:00.1: IOV Disabled
[ 233.329969] pcieport 0000:40:01.0: AER: Multiple Uncorrected (Non-Fatal) err0
[ 233.340302] igb 0000:41:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fata)
[ 233.352248] igb 0000:41:00.0: device [8086:1516] error status/mask=00100000
[ 233.361088] igb 0000:41:00.0: [20] UnsupReq (First)
[ 233.368183] igb 0000:41:00.0: AER: TLP Header: 40000001 0000040f cdbfc00c c
[ 233.376846] igb 0000:41:00.1: PCIe Bus Error: severity=Uncorrected (Non-Fata)
[ 233.388779] igb 0000:41:00.1: device [8086:1516] error status/mask=00100000
[ 233.397629] igb 0000:41:00.1: [20] UnsupReq (First)
[ 233.404736] igb 0000:41:00.1: AER: TLP Header: 40000001 0000040f cdbfc00c c
[ 233.538214] pci 0000:41:00.1: AER: can't recover (no error_detected callback)
[ 233.538401] igb 0000:41:00.0: removed PHC on enp65s0f0
[ 233.546197] pcieport 0000:40:01.0: AER: device recovery failed
[ 234.157244] igb 0000:41:00.0: IOV Disabled
[ 371.619705] INFO: task irq/35-aerdrv:257 blocked for more than 122 seconds.
[ 371.627489] Not tainted 6.4.0-dirty #2
[ 371.632257] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this.
[ 371.641000] task:irq/35-aerdrv state:D stack:0 pid:257 ppid:2 f0
[ 371.650330] Call Trace:
[ 371.653061] <TASK>
[ 371.655407] __schedule+0x20e/0x660
[ 371.659313] schedule+0x5a/0xd0
[ 371.662824] schedule_preempt_disabled+0x11/0x20
[ 371.667983] __mutex_lock.constprop.0+0x372/0x6c0
[ 371.673237] ? __pfx_aer_root_reset+0x10/0x10
[ 371.678105] report_error_detected+0x25/0x1c0
[ 371.682974] ? __pfx_report_normal_detected+0x10/0x10
[ 371.688618] pci_walk_bus+0x72/0x90
[ 371.692519] pcie_do_recovery+0xb2/0x330
[ 371.696899] aer_process_err_devices+0x117/0x170
[ 371.702055] aer_isr+0x1c0/0x1e0
[ 371.705661] ? __set_cpus_allowed_ptr+0x54/0xa0
[ 371.710723] ? __pfx_irq_thread_fn+0x10/0x10
[ 371.715496] irq_thread_fn+0x20/0x60
[ 371.719491] irq_thread+0xe6/0x1b0
[ 371.723291] ? __pfx_irq_thread_dtor+0x10/0x10
[ 371.728255] ? __pfx_irq_thread+0x10/0x10
[ 371.732731] kthread+0xe2/0x110
[ 371.736243] ? __pfx_kthread+0x10/0x10
[ 371.740430] ret_from_fork+0x2c/0x50
[ 371.744428] </TASK>
The reproducer was a simple script:
#!/bin/sh
for i in `seq 1 5`; do
modprobe -rv igb
modprobe -v igb max_vfs=1
sleep 1
modprobe -rv igb
done
It turned out that this could only be reproduce on 82580 (quad and
dual-port), but not on 82576, i350 and i210. Further debugging showed
that igb_enable_sriov()'s call to pci_enable_sriov() is failing, because
dev->is_physfn is 0 on 82580.
Prior to commit 50f303496d92 ("igb: Enable SR-IOV after reinit"),
igb_enable_sriov() jumped into the "err_out" cleanup branch. After this
commit it only returned the error code.
So the cleanup didn't take place, and the incorrect VF setup in the
igb_adapter structure fooled the igb driver into assuming that VFs have
been set up where no VF actually existed.
Fix this problem by cleaning up again if pci_enable_sriov() fails.
Fixes: 50f303496d92 ("igb: Enable SR-IOV after reinit")
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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The commit in fixes introduced flags to control the status of hardware
configuration while processing packets. At the same time another structure
is used to provide configuration of timestamper to user-space applications.
The way it was coded makes this structures go out of sync easily. The
repro is easy for 82599 chips:
[root@hostname ~]# hwstamp_ctl -i eth0 -r 12 -t 1
current settings:
tx_type 0
rx_filter 0
new settings:
tx_type 1
rx_filter 12
The eth0 device is properly configured to timestamp any PTPv2 events.
[root@hostname ~]# hwstamp_ctl -i eth0 -r 1 -t 1
current settings:
tx_type 1
rx_filter 12
SIOCSHWTSTAMP failed: Numerical result out of range
The requested time stamping mode is not supported by the hardware.
The error is properly returned because HW doesn't support all packets
timestamping. But the adapter->flags is cleared of timestamp flags
even though no HW configuration was done. From that point no RX timestamps
are received by user-space application. But configuration shows good
values:
[root@hostname ~]# hwstamp_ctl -i eth0
current settings:
tx_type 1
rx_filter 12
Fix the issue by applying new flags only when the HW was actually
configured.
Fixes: a9763f3cb54c ("ixgbe: Update PTP to support X550EM_x devices")
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Use devm_kasprintf() instead of hand writing it.
This is less verbose and less error prone.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Modify the prototype for change_beacon() in struct cfg80211_op to
accept cfg80211_ap_settings instead of cfg80211_beacon_data so that
it can process data in addition to beacons.
Modify the prototypes of ieee80211_change_beacon() and driver specific
functions accordingly.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230727174100.11721-4-quic_alokad@quicinc.com
[while at it, remove pointless "if (info)" check in tracing that just
makes all the lines longer than they need be - it's never NULL]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There really isn't any support for scanning at different
channel widths than 20 MHz since there's no way to set it.
Remove this support for now, if somebody wants to maintain
this whole thing later we can revisit how it should work.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This fixes the below warnings
drivers/i2c/busses/i2c-cadence.c:221: warning: Function parameter or
member 'rinfo' not described in 'cdns_i2c'
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202308171510.bKHBcZQW-lkp@intel.com/
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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It has been pointed out that naming a subsystem "genpd" isn't very
self-explanatory and the acronym itself that means Generic PM Domain, is
known only by a limited group of people.
In a way to improve the situation, let's rename the subsystem to pmdomain,
which ideally should indicate that this is about so called Power Domains or
"PM domains" as we often also use within the Linux Kernel terminology.
Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org
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Reset the i2c controller when an i2c transfer timeout occurs.
The remaining interrupts and device should be reset to avoid
unpredictable controller behavior.
Fixes: 2e57b7cebb98 ("i2c: aspeed: Add multi-master use case support")
Cc: <stable@vger.kernel.org> # v5.1+
Signed-off-by: Tommy Huang <tommy_huang@aspeedtech.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
|
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The "i2c_mlxcpld" platform device is only instantiated on X86 systems
(through drivers/platform/x86/mlx-platform.c), or on ARM64 systems with
ACPI (through drivers/platform/mellanox/nvsw-sn2201.c). Hence further
restrict the dependency on ARM64 to ACPI, to prevent asking the user
about this driver when configuring an ARM64 kernel without ACPI support.
While at it, document in the Kconfig help text that the driver supports
ARM64/ACPI based systems, too.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Vadim Pasternak <vadimp@nvidia.com>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
|
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I2C Address Translator (ATR) support is not a stand-alone driver, but a
library. All of its users select I2C_ATR. Hence there is no need for
the user to enable this symbol manually, except when compile-testing.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
commit 03c835f498b5 ("i2c: Switch .probe() to not take an id parameter")
convert back to (the new) .probe() to be able to eventually drop
.probe_new() from struct i2c_driver.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/lkml/20230612072807.839689-1-u.kleine-koenig@pengutronix.de/
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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The uarts should be tagged with SYSC_QUIRK_SWSUP_SIDLE instead of
SYSC_QUIRK_SWSUP_SIDLE_ACT. The difference is that SYSC_QUIRK_SWSUP_SIDLE
is used to force idle target modules rather than block idle during usage.
The SYSC_QUIRK_SWSUP_SIDLE_ACT should disable autoidle and wake-up when
a target module is active, and configure autoidle and wake-up when a
target module is inactive. We are missing configuring the target module
on sysc_disable_module(), and missing toggling of the wake-up bit.
Let's fix the issue to allow uart wake-up to work.
Fixes: fb685f1c190e ("bus: ti-sysc: Handle swsup idle mode quirks")
Tested-by: Dhruva Gole <d-gole@ti.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
|
|
Commit 4fb0a5eb364d ("tee: add OP-TEE driver") declared but never implemented
optee_supp_read()/optee_supp_write().
Commit 967c9cca2cc5 ("tee: generic TEE subsystem") never implemented tee_shm_init().
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-09-11 (i40e, iavf)
This series contains updates to i40e and iavf drivers.
Andrii ensures all VSIs are cleaned up for remove in i40e.
Brett reworks logic for setting promiscuous mode that can, currently, cause
incorrect states on iavf.
---
v2:
- Remove redundant i40e_vsi_free_q_vectors() and kfree() calls (patch 1)
v1: https://lore.kernel.org/netdev/20230905180521.887861-1-anthony.l.nguyen@intel.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Heavy-weight TLB flush is required after unmap on all GPUs for
correctness and security.
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Commit d2e8071bed0be ("tpm: make all 'class' structures const")
unfortunately had a typo for the name on tpmrm.
Fixes: d2e8071bed0b ("tpm: make all 'class' structures const")
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
|
|
When building with clang 18 I see the following warning:
| drivers/power/reset/vexpress-poweroff.c:124:10: warning: cast to smaller integer type 'enum vexpress_reset_func' from 'const void *' [-Wvoid-pointer-to-enum-cast]
| 124 | switch ((enum vexpress_reset_func)match->data) {
This is due to the fact that `match->data` is a void* while `enum vexpress_reset_func`
has the size of an int. This leads to truncation and possible data loss.
Link: https://github.com/ClangBuiltLinux/linux/issues/1910
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Justin Stitt <justinstitt@google.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
|
