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This patch actually probes the transform record cache data and
administration RAM sizes, instead of making assumptions, and then
configures the TRC based on the actually probed values.
This allows the driver to work with EIP197 HW that has TRC RAM
sizes different from those of the Marvell EIP197B/D variants.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch derives the result descriptor fetch count from the actual
FIFO size advertised by the hardware. Fetching result descriptors
one at a time is a performance bottleneck for small blocks, especially
on hardware with multiple pipes. Even moreso if the HW has few rings.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch derives the command descriptor fetch count from the actual
FIFO size advertised by the hardware. Fetching command descriptors
one at a time is a performance bottleneck for small blocks, especially
on hardware with multiple pipes. Even moreso if the HW has few rings.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch enables algorithms that did not fit the original 32 bit
FUNCTION_EN register anymore via the FUNCTION2_EN extension reg.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch corrects the configuration of the EIP197_PE_EIP96_TOKEN_CTRL
register. Previous value was wrong and potentially dangerous.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds automatic EIP97/EIP197 detection, so it does not need to
rely on any static value from the device table anymore. In particular,
the static value from the table won't work for PCI devboards that cannot
be further identified save from this direct hardware probing.
The patch also adds automatic host xs endianness detection & correction.
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch introduces sha3 support for s390.
- Rework the s390-specific SHA1 and SHA2 related code to
provide the basis for SHA3.
- Provide two new kernel modules sha3_256_s390 and
sha3_512_s390 together with new kernel options.
Signed-off-by: Joerg Schmidbauer <jschmidb@de.ibm.com>
Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Add spi large PA(max=64G) support for DMA transfer.
Signed-off-by: luhua.xu <luhua.xu@mediatek.com>
Link: https://lore.kernel.org/r/1568195731-3239-4-git-send-email-luhua.xu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This patch add spi support for mt6765 IC.
Signed-off-by: luhua.xu <luhua.xu@mediatek.com>
Link: https://lore.kernel.org/r/1568195731-3239-3-git-send-email-luhua.xu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This reverts commit 83f35bc3a852f1c3892c7474998c5cec707c7ba3.
There are at least two DSI controller drivers which relies on the old
behaviour of adv7511 driver. To avoid platform breakage this patch
should be reverted. This is a temporary solution, as it blocks adv7511
usage with other platforms.
Assumption that DSI device driver (bridge/panel) should first expose
drm_bridge/drm_panel object, then look for DSI bus is just incorrect -
it can work with devices controlled via i2c but it cannot work with
devices controlled via DSI - they will not be able to probe.
To solve the issue following steps should be performed:
- rework reverted patch allowing co-operation with broken DSI controller
drivers - with simple/ugly workaround,
- fix controller drivers and then remove workaround.
Signed-off-by: Rob Clark <robdclark@chromium.org>
[a.hajda: changed commit message]
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190829180836.14453-1-robdclark@gmail.com
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Convert the ramfs, shmem, tmpfs, devtmpfs and rootfs filesystems to the new
internal mount API as the old one will be obsoleted and removed. This
allows greater flexibility in communication of mount parameters between
userspace, the VFS and the filesystem.
See Documentation/filesystems/mount_api.txt for more information.
Note that tmpfs is slightly tricky as it can contain embedded commas, so it
can't be trivially split up using strsep() to break on commas in
generic_parse_monolithic(). Instead, tmpfs has to supply its own generic
parser.
However, if tmpfs changes, then devtmpfs and rootfs, which are wrappers
around tmpfs or ramfs, must change too - and thus so must ramfs, so these
had to be converted also.
[AV: rewritten]
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Hugh Dickins <hughd@google.com>
cc: linux-mm@kvack.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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smi_mod_timer() enables the timer before setting timer_running. This
means the timer can be running when we get to stop_timer_and_thread()
without timer_running having been set, resulting in del_timer_sync()
not being called and the timer being left to cause havoc during
shutdown.
Instead just call del_timer_sync() unconditionally
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
Message-Id: <20190828203625.32093-2-Jes.Sorensen@gmail.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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If MCFG area is not reserved in E820, Xen by default will defer its usage
until Dom0 registers it explicitly after ACPI parser recognizes it as
a reserved resource in DSDT. Having it reserved in E820 is not
mandatory according to "PCI Firmware Specification, rev 3.2" (par. 4.1.2)
and firmware is free to keep a hole in E820 in that place. Xen doesn't know
what exactly is inside this hole since it lacks full ACPI view of the
platform therefore it's potentially harmful to access MCFG region
without additional checks as some machines are known to provide
inconsistent information on the size of the region.
Now xen_mcfg_late() runs after acpi_init() which is too late as some basic
PCI enumeration starts exactly there as well. Trying to register a device
prior to MCFG reservation causes multiple problems with PCIe extended
capability initializations in Xen (e.g. SR-IOV VF BAR sizing). There are
no convenient hooks for us to subscribe to so register MCFG areas earlier
upon the first invocation of xen_add_device(). It should be safe to do once
since all the boot time buses must have their MCFG areas in MCFG table
already and we don't support PCI bus hot-plug.
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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temperature and fan.
According to datasheet, the SMI status register setting of LTD
temperature is SMI_STS3, and the SMI status register setting
of fan is SMI_STS5 and SMI_STS6.
Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Link: https://lore.kernel.org/r/20190912113300.4714-1-Amy.Shih@advantech.com.tw
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fix the error handling for the led-max-microamp property.
Need to check if the property is present and then if it is
retrieve the setting and its max boundary
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
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Bump version to 0.8.1-k
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Attempt to request an optional device-specific DDP package file
(one with the PCIe Device Serial Number in its name so that different DDP
package files can be used on different devices). If the optional package
file exists, download it to the device. If not, download the default
package file.
Log an appropriate message based on whether or not a DDP package
file exists and the return code from the attempt to download it to the
device. If the download fails and there is not already a package file on
the device, go into "Safe Mode" where some features are not supported.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add functions to initialize, parse, and clean structures representing
the DDP package.
Upon completion of package download, read and store the DDP package
contents to these structures. This configuration is used to
identify the default behavior and later used to update the HW table
entries.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add the required defines, structures, and functions to enable downloading
a DDP package. Before download, checks are performed to ensure the package
is valid and compatible.
Note that package download is not yet requested by the driver as further
initialization is required to utilize the package.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The FW build id is currently being displayed as an int which doesn't make
sense. Instead display FW build id as a hex value. Also add other useful
information to the output such as NVM version, API patch info, and FW
build hash.
Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The driver is required to send a version to the firmware
to indicate that the driver is up. If the driver doesn't
do this the firmware doesn't behave properly.
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the command data_len cannot hold all the controller errors,
we should simply return as much errors as we can fit
instead of failing the command.
Signed-off-by: Amit Engel <amit.engel@dell.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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If the controller supports discovery log page change events,
we want to enable it. When we see a discovery log change event
we will send it up to userspace and expect it to handle it.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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When we send uevents to userspace, add controller specific
environment variables to uniquly identify the controller beyond
its device name.
This will be useful to address discovery log change events by
actually verifying that the discovery controller is indeed the
same as the device that generated the event.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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AENs in general are not related to the presence of I/O queues,
so enable them regardless. Note that the only exception is that
discovery controller will not support any of the requested AENs
and nvme_enable_aen will respect that and return, so it is still
safe to enable regardless.
Note it is safe to enable AENs even before the initial namespace
scanning as we have the scan operation in a workqueue context.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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This modifies the behavior of discovery subsystems to accept
a kato as a preparation to support discovery log change
events. This also means that now every discovery controller
will have a default kato value, and for non-persistent connections
the host needs to pass in a zero kato value (keep_alive_tmo=0).
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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Simplify this function implementation by using a known function.
Generated by: scripts/coccinelle/api/ptr_ret.cocci
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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The cq vector is already assigned with the correct value.
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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The namespace disk names must be unique for the lifetime of the
subsystem. This was accomplished by using their parent subsystems'
instances which were allocated independently from the controllers
connected to that subsystem. This allowed name prefixes assigned to
namespaces to match a controller from an unrelated subsystem, and has
created confusion among users examining device nodes.
Ensure a namespace's subsystem instance never clashes with a controller
instance of another subsystem by transferring the instance ownership
to the parent subsystem from the first controller discovered in that
subsystem.
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Minwoo Im <minwoo.im@samsung.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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The variable ret is being initialized with a value that is never read
and is being re-assigned immediately afterwards. The assignment is
redundant and hence can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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nvme_sync_queues currently syncs all namespace queues, but should
also sync the admin queue, if present.
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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Current code matches subnqn and collapses all controllers to the
same subnqn to a single subsystem structure. This is good for
recognizing multiple controllers for the same subsystem. But with
the well-known discovery subnqn, the subsystems aren't truly the
same subsystem. As such, subsystem specific rules, such as no
overlap of controller id, do not apply. With today's behavior, the
check for overlap of controller id can fail, preventing the new
discovery controller from being created.
When searching for like subsystem nqn, exclude the discovery nqn
from matching. This will result in each discovery controller being
attached to a unique subsystem structure.
Signed-off-by: James Smart <jsmart2021@gmail.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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If a controller reset is racing with a namespace revalidation, the
revalidation (admin) I/O will surely fail, but we should not remove the
namespace as we will execute the I/O when the controller is back up.
Same for spurious allocation errors (return -ENOMEM).
Fix this by checking the specific error code in nvme_revalidate_disk and
if it is a transient error (for example non DNR nvme statuses or
a negative ENOMEM as allocation failure), do not remove the namespace as
it will either recover when the controller is back up and schedule
a subsequent scan, or the controller is going away and the namespaces
will be removed anyways.
This fixes a hang namespace scanning racing with a controller reset and
also sporious I/O errors in path failover coditions where the
controller reset is racing with the namespace scan work with multipath
enabled.
Reported-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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Make the callers check the return status and propagate
back accordingly (casting to errno from a positive nvme status).
Also print the return status in nvme_report_ns_ids.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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right now callers of nvme_identify_ns only know that it failed,
but don't know why. Make nvme_identify_ns propagate the error back.
Because nvme_submit_sync_cmd may return a positive status code, we
make nvme_identify_ns receive the id by reference and return that
status up the call chain, but make sure not to leak positive nvme
status codes to the upper layers.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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No need for the full blown request structure.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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NVME_SC_INTERNAL should indicate an internal controller errors
and not host transport errors. These errors will propagate to
upper layers (essentially nvme core) and be interpereted as
transport errors which should not be taken into account for
namespace state or condition.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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This is a more appropriate error status for a transport error
detected by us (the host).
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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NVME_SC_ABORT_REQ means that the request was aborted due to
an abort command received. In our case, this is a transport
cancellation, so host pathing error is much more appropriate.
Also, convert NVME_SC_HOST_PATH_ERROR to BLK_STS_TRANSPORT for
such that callers can understand that the status is a transport
related error. This will be used by the ns scanning code to
understand if it got an error from the controller or that the
controller happens to be unreachable by the transport.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
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There are special kinds of FW such as WMI only which
are used for testing, diagnostics and other specific
scenario.
Such FW is loaded during driver probe and the driver
disallows enabling any network interface, to avoid
operational issues.
In many cases it is used to debug early versions
of FW with new features, which sometimes fail
on startup.
Currently when such FW fails to load (for example,
because of init failure), the driver probe would fail
and shutdown the device making it difficult to debug
the early failure.
To fix this, ignore load failures in WMI only FW and
allow driver probe to succeed, making it possible to
continue and debug the FW load failure.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The short frame check in wil_sring_reap_rx_edma uses
skb->len which store the maximum frame length. Fix
this to use dmalen which is the actual length of
the received frame.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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writel_relaxed can be used in wil_debugfs_iomem_x32_set
since there is a wmb call immediately after.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Call cfg80211_inform_bss_frame_data to report cfg80211 on the
boottime_ns in order to prevent the scan results filtering due to
aging.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Upon driver rmmod, cancel_work_sync() can be invoked on
p2p.discovery_expired_work before this work struct was initialized.
This causes a WARN_ON with newer kernel version.
Add initialization of discovery_expired_work inside wil_vif_init().
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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cid value is not being verified in wmi_evt_delba(),
verification is added.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Due to compiler optimization, it's possible that dr_bit (descriptor
ready) is read last from the status message.
Due to race condition between HW writing the status message and
driver reading it, other fields that were read earlier (before dr_bit)
could have invalid values.
Fix this by explicitly reading the dr_bit first and then using rmb
before reading the rest of the status message.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fix a race between cfg80211 add_key call and transmitting of 4/4 EAP
packet. In case the transmit is delayed until after the add key takes
place, message 4/4 will be encrypted with the new key, and the
receiver side (AP) will drop it due to MIC error.
Wil6210 will monitor and look for the transmitted packet 4/4 eap key.
In case add_key takes place before the transmission completed, then
wil6210 will let the FW store the key and wil6210 will notify the FW
to use the PTK key only after 4/4 eap packet transmission was
completed.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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PMC is a hardware debug mechanism which allows capturing real time
debug data and stream it to host memory. The driver allocates memory
buffers and set them inside PMC ring of descriptors.
Add pmcring debugfs that application can use to read the binary
content of descriptors inside the PMC ring (cat pmcring).
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Move common part of wil_netif_rx_any into new helper function and add
support for non-gro receive using netif_rx_ni.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The tlv targets such as WCN3990 send more data in the chan info event, which is
not sent by the non tlv targets. There is a minimum size check in the wmi event
for non-tlv targets and hence we cannot update the common channel info
structure as it was done in commit 13104929d2ec ("ath10k: fill the channel
survey results for WCN3990 correctly"). This broke channel survey results on
10.x firmware versions.
If the common channel info structure is updated, the size check for chan info
event for non-tlv targets will fail and return -EPROTO and we see the below
error messages
ath10k_pci 0000:01:00.0: failed to parse chan info event: -71
Add tlv specific channel info structure and restore the original size of the
common channel info structure to mitigate this issue.
Tested HW: WCN3990
QCA9887
Tested FW: WLAN.HL.3.1-00784-QCAHLSWMTPLZ-1
10.2.4-1.0-00037
Fixes: 13104929d2ec ("ath10k: fill the channel survey results for WCN3990 correctly")
Cc: stable@vger.kernel.org # 5.0
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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