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Only abort scan with current scanning VIF. If we have more than one
interface, we could call rtw_hw_scan_abort() with the wrong VIF as
input. This avoids potential null pointer being accessed when actually
the other VIF is scanning.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121312.17954-1-pkshih@realtek.com
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Only gather reserved pages from AP interface after it has started. Or
else ieee80211_beacon_get_*() returns NULL and causes other VIFs'
reserved pages fail to download. Update location of current reserved page
after beacon renews so offsets changed by beacon can be recognized.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121300.17900-1-pkshih@realtek.com
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Firmware can't support PS mode during AP mode, so disallow this case.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121135.17828-5-pkshih@realtek.com
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Extend 8822c's reserved page number to accommodate additional required
pages. Reserved page is an area of memory in the FIFO dedicated for
special purposes. Previously only one interface is supported so 8 pages
should suffice, extend it so we can support 2 interfaces concurrently.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121135.17828-4-pkshih@realtek.com
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Switch port settings if AP mode does not start on port 0 because of
hardware limitation. For some ICs, beacons on ports other than zero
could misbehave and do not issue properly, to fix this we change AP
VIFs to port zero when multiple interfaces is active.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121135.17828-3-pkshih@realtek.com
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In order to support multiple interfaces, multiple port settings will
be required. Current code always uses port 0 and should be changed.
Declare a bitmap with size equal to hardware port number to record
the current usage.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414121135.17828-2-pkshih@realtek.com
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The function to request DLE (data link engine) buffer uses 'u16' as return
value that mixes error code, so change it to 'int' as regular error code.
Also, treat invalid register value (0xfff) as an error.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230414082228.30766-1-pkshih@realtek.com
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* for-next/mm:
arm64: mm: always map fixmap at page granularity
arm64: mm: move fixmap code to its own file
arm64: add FIXADDR_TOT_{START,SIZE}
Revert "Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()""
arm: uaccess: Remove memcpy_page_flushcache()
mm,kfence: decouple kfence from page granularity mapping judgement
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* for-next/misc:
arm64: kexec: include reboot.h
arm64: delete dead code in this_cpu_set_vectors()
arm64: kernel: Fix kernel warning when nokaslr is passed to commandline
arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step
arm64/sme: Fix some comments of ARM SME
arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2()
arm64/signal: Use system_supports_tpidr2() to check TPIDR2
arm64: compat: Remove defines now in asm-generic
arm64: kexec: remove unnecessary (void*) conversions
arm64: armv8_deprecated: remove unnecessary (void*) conversions
firmware: arm_sdei: Fix sleep from invalid context BUG
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* for-next/kdump:
arm64: kdump: defer the crashkernel reservation for platforms with no DMA memory zones
arm64: kdump: do not map crashkernel region specifically
arm64: kdump : take off the protection on crashkernel memory region
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* for-next/ftrace:
arm64: ftrace: Simplify get_ftrace_plt
arm64: ftrace: Add direct call support
ftrace: selftest: remove broken trace_direct_tramp
ftrace: Make DIRECT_CALLS work WITH_ARGS and !WITH_REGS
ftrace: Store direct called addresses in their ops
ftrace: Rename _ftrace_direct_multi APIs to _ftrace_direct APIs
ftrace: Remove the legacy _ftrace_direct API
ftrace: Replace uses of _ftrace_direct APIs with _ftrace_direct_multi
ftrace: Let unregister_ftrace_direct_multi() call ftrace_free_filter()
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* for-next/cpufeature:
arm64/cpufeature: Use helper macro to specify ID register for capabilites
arm64/cpufeature: Consistently use symbolic constants for min_field_value
arm64/cpufeature: Pull out helper for CPUID register definitions
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* for-next/asm:
arm64: uaccess: remove unnecessary earlyclobber
arm64: uaccess: permit put_{user,kernel} to use zero register
arm64: uaccess: permit __smp_store_release() to use zero register
arm64: atomics: lse: improve cmpxchg implementation
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* for-next/acpi:
ACPI: AGDI: Improve error reporting for problems during .remove()
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Mendocino and later platform don't use the platform feature mailbox for
communication for I2C arbitration, they rely upon ringing a doorbell.
Detect the platform by the device ID of the root port and choose the
appropriate method.
Link: https://lore.kernel.org/linux-i2c/20220916131854.687371-3-jsd@semihalf.com/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Mark Hasemeyer <markhas@chromium.org>
Tested-by: Mark Hasemeyer <markhas@chromium.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently the PSP semaphore communication base address is discovered
by using an MSR that is not architecturally guaranteed for future
platforms. Also the mailbox that is utilized for communication with
the PSP may have other consumers in the kernel, so it's better to
make all communication go through a single driver.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mark Hasemeyer <markhas@chromium.org>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Mark Hasemeyer <markhas@chromium.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move Power10 feature, PPC_MODULE_FEATURE_P10, definition to be in
arch/powerpc/include/asm/cpufeature.h.
Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove Power10 dependency in Kconfig and detect Power10 feature at runtime.
Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add some test vectors for 128-bit cmac(camellia) as found in
draft-kato-ipsec-camellia-cmac96and128-01 section 6.2.
The document also shows vectors for camellia-cmac-96, and for VK with a
length greater than 16, but I'm not sure how to express those in testmgr.
This also leaves cts(cbc(camellia)) untested, but I can't seem to find any
tests for that that I could put into testmgr.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: Chuck Lever <chuck.lever@oracle.com>
cc: Scott Mayhew <smayhew@redhat.com>
cc: linux-nfs@vger.kernel.org
cc: linux-crypto@vger.kernel.org
Link: https://datatracker.ietf.org/doc/pdf/draft-kato-ipsec-camellia-cmac96and128-01
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Allow cryptd hashes to be cloned. The underlying hash will be cloned.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The cryptd hash template was still using the obsolete cra_init/cra_exit
interface. Make it use the modern ahash init_tfm/exit_tfm instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Allow hmac to be cloned. The underlying hash can be used directly
with a reference count.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the helpers crypto_clone_ahash and crypto_clone_shash.
They are the hash-specific counterparts of crypto_clone_tfm.
This allows code paths that cannot otherwise allocate a hash tfm
object to do so. Once a new tfm has been obtained its key could
then be changed without impacting other users.
Note that only algorithms that implement clone_tfm can be cloned.
However, all keyless hashes can be cloned by simply reusing the
tfm object.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the helper crypto_clone_tfm. The purpose is to
allocate a tfm object with GFP_ATOMIC. As we cannot sleep, the
object has to be cloned from an existing tfm object.
This allows code paths that cannot otherwise allocate a crypto_tfm
object to do so. Once a new tfm has been obtained its key could
then be changed without impacting other users.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a crypto_tfm_get interface to allow tfm objects to be shared.
They can still be freed in the usual way.
This should only be done with tfm objects with no keys. You must
also not modify the tfm flags in any way once it becomes shared.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Avoid cluttering up the kallsyms symbol table with entries that should
not end up in things like backtraces, as they have undescriptive and
generated identifiers.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Avoid cluttering up the kallsyms symbol table with entries that should
not end up in things like backtraces, as they have undescriptive and
generated identifiers.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Avoid cluttering up the kallsyms symbol table with entries that should
not end up in things like backtraces, as they have undescriptive and
generated identifiers.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Co-developed-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Co-developed-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Co-developed-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Co-developed-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups. In the GCM case, we can get rid of the
oversized permutation array entirely while at it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Prefer RIP-relative addressing where possible, which removes the need
for boot time relocation fixups.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Smatch complains that:
debugfs_hw_add() warn: 'statsd' is an error pointer or valid
Debugfs checks are generally not supposed to be checked for errors
and it is not necessary here.
Just delete the dead code.
Signed-off-by: Yingsha Xu <ysxu@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://lore.kernel.org/r/20230419104548.30124-1-ysxu@hust.edu.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When CSME takes ownership, the driver sets RFKILL on, and this
triggers driver unload and sending the confirmation SAP message.
However, when IWL_MVM_MEI_REPORT_RFKILL is set, RFKILL was not
reported and as a result, the driver did not confirm the ownership
transition. Fix it.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.29ac3cd3df73.I96b32bc274bfe1e3871e54d3fa29c7ac4f40446f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the host disconnects from the AP CSME takes ownership right away.
Since the driver never asks for ownership again wifi is left in rfkill
until CSME releases the NIC, although in many cases the host could
re-connect shortly after the disconnection. To allow the host to
recover from occasional disconnection, re-ask for ownership to let
the host connect again.
Allow one minute before re-asking for ownership to avoid too frequent
ownership transitions.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.a6c6ebc48f2d.I8a17003b86e71b3567521cc69864b9cbe9553ea9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When mei filtered scan is performed, it must find the AP on the first
scan, otherwise CSME will take the ownership of the NIC.
Make this scan more aggressive by scanning the channel the AP is
supposed to be on (as reported by CSME) several times.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.47e383b10b18.I14340a118acdb19ecb7214e7ff413054c77bd99c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When CSME is connected and has link protection set, the driver must
connect to the same AP CSME is connected to.
When in link protection, modify scan request parameters to include
only the channel of the AP CSME is connected to and scan for the
same SSID. In addition, filter the scan results to include only
results from the same AP. This will make sure the driver will connect
to the same AP and will do it fast enough to keep the session alive.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.c1b55de3d704.I3895eebe18b3b672607695c887d728e113fc85ec@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Enable driver's support for MLO APIs to unlock this functionality.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20230418122405.0ae0dd6f0481.Iec993cf0f28eacb2483fb9d1e755b0b2fd62e163@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For constant values we don't need rcu_assign_pointer(),
use RCU_INIT_POINTER() instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.7b400d21a27f.Iccdef9d777677390a9881c88b06c0ed13a83d978@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we do get multiple notifications from firmware, then
we might have allocated 'notif', but don't free it. Fix
that by checking for duplicates before allocation.
Fixes: 4da46a06d443 ("wifi: iwlwifi: mvm: Add support for wowlan info notification")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.116758321cc4.I8bdbcbb38c89ac637eaa20dda58fa9165b25893a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We should pass the newly allocated data to fill.
Signed-off-by: Alon Giladi <alon.giladi@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.aaa6d8874442.I734841c71aad9564cb22c50f2737aaff489fadaf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The RADA/firmware collaborate on MIC stripping in the following
way:
- the firmware fills the IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK
value for how many words need to be removed at the end of
the frame, CRC and, if decryption was done, MIC
- if the RADA is active, it will
- remove that much from the end of the frame
- zero the value in IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK
As a consequence, the only thing the driver should need to do
is to
- unconditionally tell mac80211 that the MIC was removed
if decryption was already done
- remove as much as IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK says
at the end of the frame, since either RADA did it and then
the value is 0, or RADA was disabled and then the value is
whatever should be removed to strip both CRC & MIC
However, all this code was historically grown and getting a
bit confused. Originally, we were indicating that the MIC was
not stripped, which is the version of the code upstreamed in
commit 780e87c29e77 ("iwlwifi: mvm: add 9000 series RX processing")
which indicated RX_FLAG_DECRYPTED in iwl_mvm_rx_crypto().
We later had a commit to change that to also indicate that the
MIC was stripped, adding RX_FLAG_MIC_STRIPPED. However, this was
then "fixed" later to only do that conditionally on RADA being
enabled, since otherwise RADA didn't strip the MIC bytes yet.
At the time, we were also always including the FCS if the RADA
was not enabled, so that was still broken wrt. the FCS if the
RADA isn't enabled - but that's a pretty rare case. Notably
though, it does happen for management frames, where we do need
to remove the MIC and CRC but the RADA is disabled.
Later, in commit 40a0b38d7a7f ("iwlwifi: mvm: Fix calculation of
frame length"), we changed this again, upstream this was just a
single commit, but internally it was split into first the correct
commit and then an additional fix that reduced the number of bytes
that are removed by crypt_len. Note that this is clearly wrong
since crypt_len indicates the length of the PN header (always 8),
not the length of the MIC (8 or 16 depending on algorithm).
However, this additional fix mostly canceled the other bugs,
apart from the confusion about the size of the MIC.
To fix this correctly, remove all those additional workarounds.
We really should always indicate to mac80211 the MIC was stripped
(it cannot use it anyway if decryption was already done), and also
always actually remove it and the CRC regardless of the RADA being
enabled or not. That's simple though, the value indicated in the
metadata is zeroed by the RADA if it's enabled and used the value,
so there's no need to check if it's enabled or not.
Notably then, this fixes the MIC size confusion, letting us receive
GCMP-256 encrypted management frames correctly that would otherwise
be reported to mac80211 8 bytes too short since the RADA is turned
off for them, crypt_len is 8, but the MIC size is 16, so when we do
the adjustment based on IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK (which
indicates 20 bytes to remove) we remove 12 bytes but indicate then
to mac80211 the MIC is still present, so mac80211 again removes the
MIC of 16 bytes, for an overall removal of 28 rather than 20 bytes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.81345b6ab0cd.Ibe0348defb6cce11c99929a1f049e60b5cfc150c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fix a memory leak that occurs when reading the fw_info
file all the way, since we return NULL indicating no
more data, but don't free the status tracking object.
Fixes: 36dfe9ac6e8b ("iwlwifi: dump api version in yaml format")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.239e501b3b8d.I4268f87809ef91209cbcd748eee0863195e70fa2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for B0 version of MAC of MR device
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230418122405.5dca1ea7a0cf.I87932e1e216a1940eeae8824071ecb777f4c034f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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