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Yet another i2c controller from Renesas that is found on the RZ/V2M
(r9a09g011) SoC. It can support only 100kHz and 400KHz operation.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
[wsa: removed superfluous class type and renamed a function]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Document Renesas RZ/V2M (r9a09g011) I2C controller bindings.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Sudip reports that alpha doesn't build properly, with errors like
include/asm-generic/tlb.h:401:1: error: redefinition of 'tlb_update_vma_flags'
401 | tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
include/asm-generic/tlb.h:372:1: note: previous definition of 'tlb_update_vma_flags' with type 'void(struct mmu_gather *, struct vm_area_struct *)'
372 | tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma) { }
the cause being that We have this odd situation where some architectures
were never converted to the newer TLB flushing interfaces that have a
range for the flush. Instead people left them alone, and we have them
select the MMU_GATHER_NO_RANGE config option to make the tlb header
files account for this.
Peter Zijlstra cleaned some of these nasty header file games up in
commits
1e9fdf21a433 ("mmu_gather: Remove per arch tlb_{start,end}_vma()")
18ba064e42df ("mmu_gather: Let there be one tlb_{start,end}_vma() implementation")
but tlb_update_vma_flags() was left alone, and then commit b67fbebd4cf9
("mmu_gather: Force tlb-flush VM_PFNMAP vmas") ended up removing only
_one_ of the two stale duplicate dummy inline functions.
This removes the other stale one.
Somebody braver than me should try to remove MMU_GATHER_NO_RANGE
entirely, but it requires fixing up the oddball architectures that use
it: alpha, m68k, microblaze, nios2 and openrisc.
The fixups should be fairly straightforward ("fix the build errors it
exposes by adding the appropriate range arguments"), but the reason this
wasn't done in the first place is that so few people end up working on
those architectures. But it could be done one architecture at a time,
hint, hint.
Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com>
Fixes: b67fbebd4cf9 ("mmu_gather: Force tlb-flush VM_PFNMAP vmas")
Link: https://lore.kernel.org/all/YtpXh0QHWwaEWVAY@debian/
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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BTF_ID_FLAGS macro needs to be able to take 0 or 1 args, so make it a
variable argument. BTF_SET8_END is incorrect, it should just be empty.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: ab21d6063c01 ("bpf: Introduce 8-byte BTF set")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220722113605.6513-1-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add a .kunitconfig file, which provides a default, working config for
running the KCSAN tests. Note that it needs to run on an SMP machine, so
to run under kunit_tool, the --qemu_args option should be used (on a
supported architecture, like x86_64). For example:
./tools/testing/kunit/kunit.py run --arch=x86_64 --qemu_args='-smp 8'
--kunitconfig=kernel/kcsan
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Userspace may support more features or new added flags, but the driver
side can be old, so make sure correct flags(features) returned to
userpsace, then userspace can work as expected.
Also mark the 2nd flags as reversed, just use the 1st one. When we run
out of flags, the reserved one can be handled at that time.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: ZiyangZhang <ZiyangZhang@linux.alibaba.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220722103817.631258-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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__ublk_destroy_dev() is called for handling error in ublk_add_dev(),
but either tagset isn't allocated or mutex isn't initialized.
So fix the issue by letting replacing ublk_add_dev with a
ublk_add_tag_set function that is much more limited in scope and
instead unwind every single step directly in ublk_ctrl_add_dev.
To allow for this refactor the device freeing so that there is
a helper for freeing the device number instead of coupling that
with freeing the mutex and the memory.
Note that this now copies the dev_info to userspace before adding
the character device. This not only simplifies the erro handling
in ublk_ctrl_add_dev, but also means that the character device
can only be seen by userspace if the device addition succeeded.
Based on a patch from Ming Lei.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220722103817.631258-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The pcb8291 has 2 ports that are connected to the internal ports
of the switch. Enable them in DT.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
[claudiu.beznea: moved status ="okay" at the end for port0 and port1]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220719201158.1696168-4-horatiu.vultur@microchip.com
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Convert the last hardcoded PAGE_SIZEs of uncompressed cases.
Reviewed-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220619150940.121005-1-hsiangkao@linux.alibaba.com
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Fold in erofs_prepare_dio() in order to simplify the code.
Reviewed-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220720082229.12172-1-hsiangkao@linux.alibaba.com
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Let's introduce multi-reference pclusters at runtime. In details,
if one pcluster is requested by multiple extents at almost the same
time (even belong to different files), the longest extent will be
decompressed as representative and the other extents are actually
copied from the longest one in one round.
After this patch, fully-referenced extents can be correctly handled
and the full decoding check needs to be bypassed for
partial-referenced extents.
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220715154203.48093-17-hsiangkao@linux.alibaba.com
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While using the name "SONiX USB DEVICE" for wired mode, my GANSS keyboard
uses "GANSS" for bluetooth mode as well, so adding this to the list.
Signed-off-by: Hilton Chain <hako@ultrarare.space>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Laurence reports:
"Kernel >5.18 on Zaurus has a bug where the power management code can't
talk to devices, emitting the following errors:
sharpsl-pm sharpsl-pm: Error: AC check failed: voltage -22.
sharpsl-pm sharpsl-pm: Charging Error!
sharpsl-pm sharpsl-pm: Warning: Cannot read main battery!
Looking at the recent changes, I found that commit 31455bbda208 ("spi:
pxa2xx_spi: Convert to use GPIO descriptors") replaced the deprecated
SPI chip select platform device code with a gpiod lookup table. However,
this didn't seem to work until I changed the `dev_id` member from the
device name to the bus id. I'm not entirely sure why this is necessary,
but I suspect it is related to the fact that in sysfs SPI devices are
attached under /sys/devices/.../dev_name/spi_master/spiB/spiB.C, rather
than directly to the device."
After reviewing the change I conclude that the same fix is needed
for all affected boards.
Fixes: 31455bbda208 ("spi: pxa2xx_spi: Convert to use GPIO descriptors")
Reported-by: Laurence de Bruxelles <lfdebrux@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220722114611.1517414-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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U1_UNICORN_LEGACY id was added to the driver, but was not declared
in the device id table, making it impossible to use.
Fixes: 640e403 ("HID: alps: Add AUI1657 device ID")
Signed-off-by: Artem Borisov <dedsa2002@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit 527701eda5f1 ("lib: Add a generic version of devmem_is_allowed()")
introduces the config symbol GENERIC_LIB_DEVMEM_IS_ALLOWED, but then
falsely refers to CONFIG_GENERIC_DEVMEM_IS_ALLOWED (note the missing LIB
in the reference) in ./include/asm-generic/io.h.
Luckily, ./scripts/checkkconfigsymbols.py warns on non-existing configs:
GENERIC_DEVMEM_IS_ALLOWED
Referencing files: include/asm-generic/io.h
The actual fix, though, is simply to not to make this function declaration
dependent on any kernel config. For architectures that intend to use
the generic version, the arch's 'select GENERIC_LIB_DEVMEM_IS_ALLOWED' will
lead to picking the function definition, and for other architectures, this
function is simply defined elsewhere.
The wrong '#ifndef' on a non-existing config symbol also always had the
same effect (although more by mistake than by intent). So, there is no
functional change.
Remove this broken and needless ifdef conditional.
Fixes: 527701eda5f1 ("lib: Add a generic version of devmem_is_allowed()")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Commit 08e950449c62 ("dt-binding: clk: npcm845: Add binding for Nuvoton
NPCM8XX Clock") obviously adds nuvoton,npcm845-clk.h, but the file entry in
MAINTAINERS, added with commit 3670d2ec13ee ("arm64: npcm: Add support for
Nuvoton NPCM8XX BMC SoC") then refers to nuvoton,npcm8xx-clock.h.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken reference.
Repair this file reference in ARM/NUVOTON NPCM ARCHITECTURE.
Fixes: 3670d2ec13ee ("arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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zynqmp_get_error_info() writes 0 to the ECC_CLR_OFST register after
an interrupt for a {un-,}correctable error is raised, which disables
the error interrupts. Then the interrupt handler will be called only
once. Therefore, re-enable the error interrupt line at the end of
intr_handler() for v3.x Synopsys EDAC DDR.
Fixes: f7824ded4149 ("EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR")
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Shubhrajyoti Datta <Shubhrajyoti.datta@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220427015137.8406-3-sherry.sun@nxp.com
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v3.x Synopsys EDAC DDR doesn't have the QOS Interrupt register. Use the
ECC Clear Register to disable the error interrupts instead.
Fixes: f7824ded4149 ("EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR")
Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Shubhrajyoti Datta <Shubhrajyoti.datta@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220427015137.8406-2-sherry.sun@nxp.com
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During the code reshuffling, I accidentally set this to
NULL before using it, fix that to fix the link data leak.
Fixes: d3e2439b0f33 ("wifi: mac80211: fix link manipulation")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In MLO we shouldn't call ieee80211_bss_info_change_notify(),
call that only (for backward compatibility) without MLO, and
otherwise ieee80211_vif_cfg_change_notify().
Similarly, ieee80211_reset_erp_info() only applies to the
current link, and in MLO we assume the driver doesn't really
need that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a preliminary version which will be updated later
to loop over vif's and sta's active links.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In sta_apply_parameters(), we really no longer need to
check that the link or sband exists, in fact, that's
harmful if link 0 doesn't exist, since then this will
fail.
Just remove this check, it was added for validation of
the sband where used, but it's not used here, it's now
only used in sta_link_apply_parameters() which has an
own lookup and check.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To transmit the association frame to the right station and
with address translation, use the correct addresses there
and set up the AP address in the configuration earlier so
it's applied during the transmit of auth/assoc frames.
Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When adding multiple links, verify that they all have
different addresses.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We'll need the link e.g. for decrypt, and shouldn't be
looking it up all the time later, so track it in the RX
data.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For drivers using software encryption for multicast TX, such
as mac80211_hwsim, mac80211 needs to duplicate the multicast
frames on each link, if MLO is enabled. Do this, but don't
just make it dependent on the key but provide a separate flag
for drivers to opt out of this.
This is not very efficient, I expect that drivers will do it
in firmware/hardware or at least with DMA engine assistence,
so this is mostly for hwsim.
To make this work, also implement the SNS11 sequence number
space that an AP MLD shall have, and modify the API to the
__ieee80211_subif_start_xmit() function to always require the
link ID bits to be set.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are a couple of new things that should be possible
with MLO:
* selecting the link to transmit to a station by link ID,
which a previous patch added to the nl80211 API
* selecting the link by frequency, similarly
* allowing transmittion to an MLD without specifying any
channel or link ID, with MLD addresses
Enable these use cases. Also fix the address comparison
in client mode to use the AP (MLD) address.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Allow optionally specifying the link ID to transmit on,
which can be done instead of the link frequency, on an
MLD addressed frame. Both can also be omitted in which
case the frame must be MLD addressed and link selection
(and address translation) will be done on lower layers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For frames received on an MLD, report the link ID to
userspace.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If given by the underlying driver, report the link ID for
MLO in NL80211_CMD_FRAME.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the low level driver reports hardware timestamps for frame
TX status or frame RX, pass the timestamps to cfg80211.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add hardware timestamps to management frame RX info.
This shall be used by drivers that support hardware timestamping for
Timing measurement and Fine timing measurement action frames RX.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The functions for reporting rx management take many arguments.
Collect all the arguments into a struct, which also make it easier
to add more arguments if needed.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a function for reporting TX status with hardware timestamps. This
function shall be used for reporting the TX status of Timing
measurement and Fine timing measurement action frames by devices that
support reporting hardware timestamps.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add attributes for reporting hardware timestamps for management frames
RX and TX. These attributes will be used for reporting hardware
timestamps for Timing measurement and Fine Timing Measurement action
frames, which will allow userspace applications to measure the path
delay between devices and sync clocks.
For TX, these attributes are used for reporting the frame RX time and
the ack TX time. For TX, they are used for reporting the frame TX time
and the ack RX time.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add helper functions for detection timing measurement
and fine timing measurement frames.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For wmediumd/virtio, handle both the RX channel for links,
as well as the link addresses when links are added/removed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When inserting a link STA, make sure it doesn't exist first
and add lockdep assertions that we cannot modify the hash
table without holding the sta_mtx, so this check is really
correct.
Also return without hashing if the driver failed, and warn
if the hashing fails, which shouldn't happen due to the
check described above.
Fixes: cb71f1d136a6 ("wifi: mac80211: add sta link addition/removal")
Fixes: ba6ddab94fc6 ("wifi: mac80211: maintain link-sta hash table")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We need to copy the address to both the private and public
portion of the link_sta (the private one is needed for the
hash table). Fix this.
Fixes: bbe90107e1d9 ("wifi: mac80211: mlme: refactor link station setup")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Clarify the link ID behaviour in control port TX, we need it
to select the link to transmit on for both MLD and non-MLD
receivers, but select the link address as the SA only if the
receiver is not an MLD.
Fixes: 67207bab9341 ("wifi: cfg80211/mac80211: Support control port TX from specific link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the frame is going to be dropped anyway because
ieee80211_lookup_ra_sta() returned an error (and
even though it's a bit racy, it will likely continue
to do so), return the error out instead of just
silently dropping the frame.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We always need the MLD address and link ID to add or
modify the link STA, so require it in the API.
Fixes: 577e5b8c3924 ("wifi: cfg80211: add API to add/modify/remove a link station")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add more sanity checks to the API handling, we shouldn't
be able to create a station without links, nor should we
be able to add a link to a station that wasn't created as
an MLD with links in the first place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are two issues here: we unhash the link stations only
directly before freeing the station they belong to, and we
also don't unhash all the links correctly in all cases. Fix
these issues.
Fixes: ba6ddab94fc6 ("wifi: mac80211: maintain link-sta hash table")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When modifying a link station, validate that the link address
doesn't change, except the first time the link is created.
Fixes: b95eb7f0eee4 ("wifi: cfg80211/mac80211: separate link params from station params")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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At this point, we've already changed link_id to be zero for
a non-MLO connection, so use the 'mlo' variable rather than
link ID to determine the MLO status of the station.
Fixes: bd363ee53302 ("wifi: mac80211: mlme: set sta.mlo correctly")
Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If there's a non-MLO client, the A2 must be set to the BSSID
of the link since no translation will happen in lower layers
and it's needed that way for encryption.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are two issues here: we need to do the translation
even in case mac80211 selected a link, and we should only
translate the A3 if it's the BSSID. Fix both.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We should only translate addr3 here if it's the BSSID.
Fixes: 42fb9148c078 ("wifi: mac80211: do link->MLD address translation on RX")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we have a non-MLD STA on an AP MLD, we crash while
adding the station. Fix that, in this case we need to
use the STA's address also on the link data structure.
Fixes: f36fe0a2df03 ("wifi: mac80211: fix up link station creation/insertion")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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