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Running kernel-doc on ieee80211_i.h flagged the following:
net/mac80211/ieee80211_i.h:145: warning: expecting prototype for enum ieee80211_corrupt_data_flags. Prototype was for enum ieee80211_bss_corrupt_data_flags instead
net/mac80211/ieee80211_i.h:162: warning: expecting prototype for enum ieee80211_valid_data_flags. Prototype was for enum ieee80211_bss_valid_data_flags instead
Fix these warnings.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://msgid.link/20240314-kdoc-ieee80211_i-v1-1-72b91b55b257@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If a link does CSA, or if it changes SMPS mode, we need to
drop the TDLS peers, but we really should drop them only on
the affected link. Fix that.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://msgid.link/20240228095719.00d1d793f5b8.Ia9971316c6b3922dd371d64ac2198f91ed5ad9d2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When doing CSA in multi-link, there really isn't a need to
stop transmissions entirely. Add a feature flag for drivers
to indicate they can handle quiet in CSA (be it by parsing
themselves, or by implementing drv_pre_channel_switch()),
to make that possible.
Also clean up the csa_block_tx handling: it clearly cannot
handle multi-link due to the way queues are stopped, move
it to the sdata. Drivers should be doing it themselves for
working properly during CSA in MLO anyway. Also rename it
to indicate that it reflects TX was blocked at mac80211.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228095719.258439191541.I2469d206e2bf5cb244cfde2b4bbc2ae6d1cd3dd9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Rework the data structures to hide element parsing internals
from the users.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.19c610b529e2.Ie7ea2dcb6713911590ace6583a4748f32dc37df2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Using the scratch buffer (without advancing it) here in the
mlme.c code seems somewhat wrong, defragment the reconfig
multi-link element already when parsing. This might be a bit
more work in certain cases, but makes the whole thing more
regular.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.92936a3ce216.I4b736ce4fdc199fa1d6b00d00032f448c873a8b4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We shouldn't assign elems->ml_basic{,len} before defragmentation,
and we don't need elems->ml_reconf{,len} at all since we don't do
defragmentation. Clean that up a bit. This does require always
defragmention even when it may not be needed, but that's easier
to reason about.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.e0115da4d2a6.I89a80f7387eabef8df3955485d4a583ed024c5b1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We're currently tracking rx_nss for each station, and that
is meant to be initialized to the capability NSS and later
reduced by the operating mode notification NSS.
However, we're mixing up capabilities and operating mode
NSS in the same variable. This forces us to recalculate
the NSS capability on operating mode notification RX,
which is a bit strange; due to the previous fix I had to
never keep rx_nss as zero, it also means that the capa is
never taken into account properly.
Fix all this by storing the capability value, that can be
recalculated unconditionally whenever needed, and storing
the operating mode notification NSS separately, taking it
into account when assigning the final rx_nss value.
Cc: stable@vger.kernel.org
Fixes: dd6c064cfc3f ("wifi: mac80211: set station RX-NSS on reconfig")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228120157.0e1c41924d1d.I0acaa234e0267227b7e3ef81a59117c8792116bc@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some drivers need the data in it, so move it to the link conf,
which is exposed to the driver.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.6fe9782b87b4.Ifbffef638f07ca7f5c2b27f40d2cf2942d21de0b@changeid
[remove bss pointer from internal struct, update docs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert ieee80211_ie_build_eht_cap() to the SKB-put function
style, renaming it to ieee80211_put_eht_cap().
Link: https://msgid.link/20240129202041.ece9769e3c94.Ibd17bea6311f0c7ba56f6c1803fa3208abaaebb9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert ieee80211_ie_build_he_cap() to the SKB-put function
style, renaming it to ieee80211_put_he_cap().
Link: https://msgid.link/20240129202041.e6ef888980d9.Ied9e014314b5d27611e693e3d4cb63bdc8d7de17@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The building of elements is really mess, and really the only
reason we're not doing it in SKBs in the first place is that
the scan code in ieee80211_build_preq_ies() doesn't.
Convert ieee80211_build_preq_ies() to use an SKB internally
so that we can gradually convert other things to ..._put_*()
style interfaces.
Link: https://msgid.link/20240129202041.c3a8e3c2cc99.I9d9920858c30ae5154719783933de0d7bc2a2cb9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Make this a new-style "put" function, and change the
parameters to pass more information directly, this
makes it usable also for the MLME code.
Link: https://msgid.link/20240129202041.f604a03bd728.I8c798ea45b8479ac9982e77d0378af11a09ccdaf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We don't need to use the write function here since we already
have an SKB, so use ieee80211_put_he_6ghz_cap() with the SMPS
mode taken from the link we're using.
Link: https://msgid.link/20240129202041.6454ac78ff8c.I7152e3c27645105478c68d40ca493feb27cac6bf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The term 'IE' isn't really in use in the spec, and I want
to rework all of this to use SKBs as the primary method
for building elements. Rename this one already.
Link: https://msgid.link/20240129202041.b8064a4e73b5.I8d2f4526562029107c6414c6cda378b300b1b0b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If intending to associate with a lower bandwidth, remove capabilities
related to 320 MHz from the EHT capabilities element. Also change the
EHT MCS-NSS set accordingly: if just reducing 320->160 or similar the
format doesn't change, just cut off the last bytes. If changing from
higher bandwidth to 20 MHz only EHT STA, adjust the format.
Note that this also requires adjusting the caller in mlme.c since the
data written can now be shorter than it determined. We need to clean
all that up. Since the other callers pass NULL for the conn limit, we
don't need to change things there.
Link: https://msgid.link/20240129202041.b5f6df108c77.I0d8ea04079c61cb3744cc88625eeaf0d4776dc2b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We don't need to pass the iftype there, we already have it
in the sdata. Simplify this code.
Link: https://msgid.link/20240129202041.5890eb1d4184.Ibce7e5abcc7887630da03ac2263d8004ec541418@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There really shouldn't be a basic multi-link element in any
per-STA profile in an association response, it's not clear
what that would really mean. Refuse connecting in this case
since the AP isn't following the spec.
Link: https://msgid.link/20240129200652.23f1e3b337f1.Idd2e43cdbfe3ba15b3e9b8aeb54c8115587177a0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Let the element parsing function return what kind of error
was encountered, as a bitmap, even if nothing currently
checks for which specific error it was, we'll use it later.
Link: https://msgid.link/20240129200652.1a69f2a31ec7.I55b86561d64e7ef1504c73f6f2813c33030c8136@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the vif is an MLD then it may receive multicast from
different links, and should drop those frames according
to the SN. Implement that.
Link: https://msgid.link/20240129200456.693b77d14b44.I491846f2bea0058c14eab6422962c10bfae9b675@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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EHT requires that stations are able to participate in
wider bandwidth OFDMA, i.e. parse downlink OFDMA and
uplink OFDMA triggers when they're not capable of (or
not connected at) the (wider) bandwidth that the AP
is using. This requires hardware configuration, since
the entity responsible for parsing (possibly hardware)
needs to know the AP bandwidth.
To support this, change the channel request to have
the AP's bandwidth for clients, and track that in the
channel context in mac80211. This means that the same
chandef might need to be split up into two different
contexts, if the APs are different. Interfaces other
than client are not participating in OFDMA the same
way, so they don't request any AP setting.
Note that this doesn't introduce any API to split a
channel context, so that there are cases where this
might lead to a disconnect, e.g. if there are two
client interfaces using the same channel context, e.g.
both 160 MHz connected to different 320 MHz APs, and
one of the APs switches to 160 MHz.
Note also there are possible cases where this can be
optimised, e.g. when using the upper or lower 160 Mhz,
but I haven't been able to really fully understand the
spec and/or hardware limitations.
If, for some reason, there are no hardware limits on
this because the OFDMA (downlink/trigger) parsing is
done in firmware and can take the transmitter into
account, then drivers can set the new flag
IEEE80211_VIF_IGNORE_OFDMA_WIDER_BW on interfaces to
not have them request any AP bandwidth in the channel
context and ignore this issue entirely. The bss_conf
still contains the AP configuration (if any, i.e. EHT)
in the chanreq.
Link: https://msgid.link/20240129194108.d3d5b35dd783.I939d04674f4ff06f39934b1591c8d36a30ce74c2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the channel context code we have quite a few instances
of nested loops iterating the interfaces and then links.
Add a new for_each_sdata_link() macro and use it. Also,
since it's easier, convert all the loops and a few other
places away from RCU as we now hold the wiphy mutex
everywhere anyway.
This does cause a little bit more work (such as checking
interface types for each link of an interface rather than
not iterating links in some cases), but that's not a huge
issue and seems like an acceptable trade-off, readability
is important too.
Link: https://msgid.link/20240129194108.7240829bd96d.I5ccbb8dd019cbcb5326c85d76121359225d6541a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For channel contexts, mac80211 currently uses the cfg80211
chandef struct (control channel, center freq(s), width) to
define towards drivers and internally how these behave. In
fact, there are _two_ such structs used, where the min_def
can reduce bandwidth according to the stations connected.
Unfortunately, with EHT this is longer be sufficient, at
least not for all hardware. EHT requires that non-AP STAs
that are connected to an AP with a lower bandwidth than it
(the AP) advertises (e.g. 160 MHz STA connected to 320 MHz
AP) still be able to receive downlink OFDMA and respond to
trigger frames for uplink OFDMA that specify the position
and bandwidth for the non-AP STA relative to the channel
the AP is using. Therefore, they need to be aware of this,
and at least for some hardware (e.g. Intel) this awareness
is in the hardware. As a result, use of the "same" channel
may need to be split over two channel contexts where they
differ by the AP being used.
As a first step, introduce a concept of a channel request
('chanreq') for each interface, to control the context it
requests. This step does nothing but reorganise the code,
so that later the AP's chandef can be added to the request
in order to handle the EHT case described above.
Link: https://msgid.link/20240129194108.2e88e48bd2e9.I4256183debe975c5ed71621611206fdbb69ba330@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are still surprisingly many non-chanctx drivers, but in
mac80211 that code is a bit awkward. Simplify this by having
those drivers assign 'emulated' ops, so that the mac80211 code
can be more unified between non-chanctx/chanctx drivers. This
cuts the number of places caring about it by about 15, which
are scattered across - now they're fewer and no longer in the
channel context handling.
Link: https://msgid.link/20240129194108.6d0ead50f5cf.I60d093b2fc81ca1853925a4d0ac3a2337d5baa5b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the code we currently check for support 80+80, 160
and 320 channel widths, but really the way this should
be (and is otherwise) handled is that we compute the
highest channel bandwidth given there, and then cut it
down to what we support. This is also needed for wider
bandwidth OFDMA support.
Change the code to remove this limitation and always
parse the highest possible channel width.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240129194108.d06f85082e29.I47e68ed3d97b0a2f4ee61e5d8abfcefc8a5b9c08@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Rewrite the station-side connection handling. The connection
flags (IEEE80211_DISABLE_*) are rather confusing, and they're
not always maintained well. Additionally, for wider-bandwidth
OFDMA support we need to know the precise bandwidth of the AP,
which is currently somewhat difficult.
Rewrite this to have a 'mode' (S1G/legacy/HT/...) and a limit
on the bandwidth. This is not entirely clean because some of
those modes aren't completely sequenced (as this assumes in
some places), e.g. VHT doesn't exist on 2.4 GHz, but HE does.
However, it still simplifies things and gives us a good idea
what we're operating as, so we can parse elements accordingly
etc.
This leaves a FIXME for puncturing, this is addressed in a
later patch.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240129194108.9451722c0110.I3e61f4cfe9da89008e1854160093c76a1e69dc2a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If software crypto is used, simply add support for SPP A-MSDUs
(and use it whenever enabled as required by the cfg80211 API).
If hardware crypto is used, leave it up to the driver to set
the NL80211_EXT_FEATURE_SPP_AMSDU_SUPPORT flag and then check
sta->spp_amsdu or the IEEE80211_KEY_FLAG_SPP_AMSDU key flag.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.b8ada4514e2b.I1ac25d5f158165b5a88062a5a5e4c4fbeecf9a5d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Update neg_ttlm and active_links according to the new mapping,
and send a negotiated TID-to-link map request with the new mapping.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.eeb385d771df.I2a5441c14421de884dbd93d1624ce7bb2c944833@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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An MLD may send TID-to-Link mapping request frame to negotiate
TID to link mapping with a peer MLD.
Support handling negotiated TID-to-Link mapping request frame
by parsing the frame, asking the driver whether it supports the
received mapping or not, and sending a TID-to-Link mapping response
to the AP MLD.
Theoretically, links that became inactive due to the received TID-to-Link
mapping request, can be selected to be activated but this would require
tearing down the negotiated TID-to-Link mapping, which is still not
supported.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.0bc1a24fcc9d.Ie72e47dc6f8c77d4a2f0947b775ef6367fe0edac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check the logic in ieee80211_drop_unencrypted_mgmt()
according to a list of test cases derived from the
spec.
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://msgid.link/20231220151952.415232-4-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We only have a single flag free, and before using that for
another mactime flag, instead refactor the mactime flags
to use a 2-bit field.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.d0e664832d14.I20c8900106f9bf81316bed778b1e3ce145785274@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It is possible for the TX status report for the (Re)Association Request
frame to be delayed long enough for the AP's (Re)Association Response
frame to be received and processed before it. If that were to happen for
a case where the AP rejects the association with indication to come back
later, the association timeout and retry state should not be modified
anymore with the TX status information that would be processed after
this. Updating the association timeout in such a reverse order of events
could result in shortening the timeouts for the association comeback
mechanism and that could result in the association failing.
Track whether we have already processed association rejection with
comeback time and if so, skip the timeout and retry update on any
following TX status report.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Link: https://msgid.link/20231219174814.2581575-1-j@w1.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prefer native jiffies-wide 'unsigned long' for the 'last_active' field of
'struct airtime_info' and introduce 'ieee80211_sta_keep_active()' for airtime
check in 'ieee80211_txq_keep_active()' and 'ieee80211_sta_register_airtime()'.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reviewed-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://msgid.link/20231206060935.612241-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To support the WBRF mechanism, Wifi adapters utilized in the system must
register the frequencies in use (or unregister those frequencies no longer
used) via the dedicated calls. So that, other drivers responding to the
frequencies can take proper actions to mitigate possible interference.
Co-developed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Co-developed-by: Evan Quan <quanliangl@hotmail.com>
Signed-off-by: Evan Quan <quanliangl@hotmail.com>
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Link: https://msgid.link/20231211100630.2170152-5-Jun.Ma2@amd.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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struct_size()
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time via CONFIG_UBSAN_BOUNDS (for
array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
While there, use struct_size() helper, instead of the open-coded
version, to calculate the size for the allocation of the whole
flexible structure including, of course, the flexible-array member.
This code was found with the help of Coccinelle, and audited and
fixed manually.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/ZSQ/jcmTAf/PKHg/@work
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When this flow is invoked with the "drop" parameter as true,
we only drop the frames from the hw queues, but not from the
sw queues.
So when we call wake_queues() after hw queue purging, all the
frames from the sw queues will be TX'ed,
when what we actually want to do is to purge all queues
in order to not TX anything...
This can cause, for example, TXing data frames to the peer
after the deauth frame was sent.
Fix this by purging the sw queues in addition to the hw queues
if the drop parameter is 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/20230928172905.8fc2ee23e56f.I8b3f6def9c28ea96261e2d31df8786986fb5385b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Resolve several conflicts, mostly between changes/fixes in
wireless and the locking rework in wireless-next. One of
the conflicts actually shows a bug in wireless that we'll
want to fix separately.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
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Support handling of advertised TID-to-link mapping elements received
in a beacon.
These elements are used by AP MLD to disable specific links and force
all clients to stop using these links.
By default if no TID-to-link mapping is advertised, all TIDs shall be
mapped to all links.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.623c4b692ff9.Iab0a6f561d85b8ab6efe541590985a2b6e9e74aa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add the relevant definitions for TID to Link mapping element
according to the P802.11be_D4.0.
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.9ea9b0b4412a.I2281ab2c70e8b43a39032dc115db6a80f1f0b3f4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In CSA, parse the (EHT) bandwidth indication element and
use it (in fact prefer it if present).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.43ef01920556.If4f24a61cd634ab1e50eba43899b9e992bf25602@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cisco AP module 9115 with FW 17.3 has a bug and sends a too
large maximum MPDU length in the association response
(indicating 12k) that it cannot actually process.
Work around that by taking the minimum between what's in the
association response and the BSS elements (from beacon or
probe response).
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230918140607.d1966a9a532e.I090225babb7cd4d1081ee9acd40e7de7e41c15ae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We really cannot even get into this as we can't have
a BSS with a 5/10 MHz (scan) width, and therefore all
the code handling shifted rates cannot happen. Remove
it all, since it's broken anyway, at least with MLO.
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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Since the changed field size was increased to u64, mesh_bss_info_changed
pulls invalid bits from the first 3 bytes of the mesh id, clears them, and
passes them on to ieee80211_link_info_change_notify, because
ifmsh->mbss_changed was not updated to match its size.
Fix this by turning into ifmsh->mbss_changed into an unsigned long array with
64 bit size.
Fixes: 15ddba5f4311 ("wifi: mac80211: consistently use u64 for BSS changes")
Reported-by: Thomas Hühn <thomas.huehn@hs-nordhausen.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230913050134.53536-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are various kernel-doc issues here, fix them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.7ce9761f9ebb.I0f44e76c518f72135cc855c809bfa7a5e977b894@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This just causes kernel-doc to complain at this spot, but
isn't actually needed anyway, so remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.33a5591dfdeb.If4e7e1a1cb4c04f0afd83db7401c780404dca699@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function will be used by the kunit tests within cfg80211. As it
is generally useful, move it from mac80211 to cfg80211.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.5af9391659f5.Ie534ed6591ba02be8572d4d7242394f29e3af04b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since we're now protecting everything with the wiphy mutex
(and were really using it for almost everything before),
there's no longer any real reason to have a separate wdev
mutex. It may feel better, but really has no value.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the local->mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the A-MPDU locking, so we don't need this mutex
any more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the chanctx_mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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