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The code is erroneously applying the non-inheritance element
to the inner elements rather than the outer, which is clearly
completely wrong. Fix it by finding the MLE basic element at
the beginning, and then applying the non-inheritance for the
outer parsing.
While at it, do some general cleanups such as not allowing
callers to try looking for a specific non-transmitted BSS
and link at the same time.
Fixes: 45ebac4f059b ("wifi: mac80211: Parse station profile from association response")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250221112451.b46d42f45b66.If5b95dc3c80208e0c62d8895fb6152aa54b6620b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Free the "data" allocation before returning on this error path.
Fixes: 36e05b0b8390 ("wifi: mac80211: Support dynamic link addition and removal")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/7ad826a7-7651-48e7-9589-7d2dc17417c2@stanley.mountain
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In case of authentication/association timeout (as detected in
ieee80211_iface_work->ieee80211_sta_work), ieee80211_destroy_auth_data
is called.
At the beginning of it, the pointer to ifmgd::auth_data memory is
copied to a local variable.
If iface_work is queued again during the execution of the current one,
and then the driver is flushing the wiphy_works (for its needs),
ieee80211_destroy_auth_data will run again and free auth_data.
Then when the execution of the original worker continues, the previously
copied pointer will be freed, causing a kernel bug:
kernel BUG at mm/slub.c:553! (double free)
Same for association timeout (just with ieee80211_destroy_assoc_data and
ifmgd::assoc_data)
Fix this by NULLifying auth/assoc data right after we copied
the pointer to it. That way, even in the scenario above, the code will
not handle the same timeout twice.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250102161730.0c3f7f781096.I2b458fb53291b06717077a815755288a81274756@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The link ID passed to drv_mgd_complete_tx when handling the association
response was not set.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.2b06504ecaef.Ifb94e9375b910de6cdd2e5865d8cb3ab9790b314@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for adding and removing station links:
- Adding links is done asynchronously, i.e., first
an ML reconfiguration action frame is sent to the AP
requesting to add links, and only when the AP replies,
links which were added successfully by the AP are added
locally.
- Removing links is done synchronously, i.e., the links
are removed before sending the ML reconfiguration
action frame to the AP (to avoid using this links after
the AP MLD removed them but before the station got the
ML reconfiguration response). In case the AP replies with a
status indicating that a link removal was not successful,
disconnect (as this should not happen an is an indication
that something might be wrong on the AP MLD).
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.ec0492a8dd21.I2869686642bbc0f86c40f284ebf7e6f644b551ab@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Pull the calculation of the size needed for a link in an association
request frame to a function, so it could also be used during the
construction of other frames as well, e.g., ML link configuration
request frame.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.ac16adfa39d4.I9e28c2fcd5ca252341c817fc03ea8df7b807fcbf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of always using 'sdata->u.mgd.assoc_data' have
the association data be passed as an argument.
This will later allow to use the same functionality
for adding links to the current association.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.191f58f2bba7.I6baa6e2989a39937234ff91d7db5ff1359a6bb30@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Parse both the Supported Rates and BSS Membership Selectors as well as
the extended version of the tag when verifying whether we support all
features.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.f1840f19afa7.I12e3a0e634ce7014f5067256d9a6215fec6bf165@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We should not attempt a connection if the BSS we are connecting to
requires support for a basic rate or other feature using the BSS
membership selector. Add a check verifying this.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.e58a0f34c798.Ifeb3bfd7b157ffa2ccdb20ca1cba6cf068fd117d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Doing so enables further checking whether we are implementing the
requested features. Also allow passing in NULL for more parameters as
they may not be needed by the caller.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.76433fd3d69f.I94e8718de26ab32282b60ae257b8c6c334b7c528@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The GLK and EPD Selectors are also not rates, so add a new macro for the
minimum value of a selector and test against that instead of the entire
list. Also fix the typo in the EPD selector define.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.2c19a2dc53db.If187b7d93d8b43a6c70e422c837b7636538fb358@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ieee80211_determine_chan_mode is called for each link and if there is a
downgrade, then it is interesting to know on which link it happened.
Pass through the link_id where relevant and use the new link_id_info
macro instead of sdata_info so that the link ID is printed when
relevant.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.d400da710fc4.I64775ec914603d3c7b0c6ea14b507c0370c11622@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It printed the AP RX MCS value instead of the TX one.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.743c7c1914f4.I1e5888ac6c8324d078fe91d01da31daa76d0e328@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The ieee80211_config_bw() function is called in different
contexts: during association with the association response
and during beacon tracking with the beacon. This can be a
bit misleading, so disambiguate the messages for those.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250101070249.ee574cf7553b.Ie7c78877d20b5e9de4cce3cf8e4f1b9e0c7ee005@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, the sequence goes like this (among others):
1. flush all stations (including the AP ones) -> this will tell the
drivers to remove the stations
2. notify the driver the vif is not associated.
Which means that in between 1 and 2, the state is that the vif is
associated, but there is no AP station, which makes no sense, and may be
problematic for some drivers (for example iwlwifi)
Change the sequence to:
1. flush the TDLS stations
2. move the AP station to IEEE80211_STA_NONE
3. notify the driver about the vif being unassociated
4. flush the AP station
In order to not break other drivers, add a vif flag to indicate whether
the driver wants to new sequence or not. If the flag is not set, then
things will be done in the old sequence.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.996ad1be6cb3.I7815d33415aa1d65c0120b54be7a15a45388f807@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we got an unprotected action frame with CSA and then we heard the
beacon with the CSA IE, we'll block the queues with the CSA reason
twice. Since this reason is refcounted, we won't wake up the queues
since we wake them up only once and the ref count will never reach 0.
This led to blocked queues that prevented any activity (even
disconnection wouldn't reset the queue state and the only way to recover
would be to reload the kernel module.
Fix this by not refcounting the CSA reason.
It becomes now pointless to maintain the csa_blocked_queues state.
Remove it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: 414e090bc41d ("wifi: mac80211: restrict public action ECSA frame handling")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219447
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241119173108.5ea90828c2cc.I4f89e58572fb71ae48e47a81e74595cac410fbac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows faking this function in KUnit tests.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.3b42e7547c65.I3bcbd51bec9ccfc7c08739450ec778722549c007@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Andrei previously fixed an issue in the client where the NSS
for links other than the primary/assoc/deflink isn't set. The
same issue appears to exist on the AP side, because there's
only a call to rate_control_rate_init() for the deflink, and
not any other links.
Rework the code a bit to do rate_control_rate_init() for links,
even if it really doesn't work with software rate control yet,
it does other things as well.
Also add rate_control_rate_init_all_links() to actually do it
properly when moving to ASSOC state in cfg80211.
Change the explicit call to ieee80211_sta_init_nss() to instead
be rate_control_rate_init() now in the client code, but also
add a call to rate_control_rate_init() when a link is added in
AP mode and the STA is already associated.
This should fix the NSS initialization issue, and perhaps pave
the way for actual software rate scaling a bit, in case anyone
cares in the future, but that of course needs a lot more than
just the init call.
We still need to fix the rate control _update_ as well, and the
sta_rc_update() driver method especially, but that will be in a
different patch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.c693274a908f.I0376da02e9f5a30eaa1b5d0d01371ff09506d453@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Handle the tx power per-link. Don't change the behavior for now. Just
change the signature of the function.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.3c9cd0731f5b.I6ebfd9d5084f3602b55c55e2669881fd92471c2f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ieee80211_find_80211h_pwr_constr and ieee80211_find_cisco_dtpc don't
need the pointer to struct ieee80211_sub_if_data *sdata. Remove it and
it'll be one step closer to handle the power constraints per-link.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.3ea505cd74e7.Id416127544afd80e4fe7b275b612aef511fc64ed@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Drivers may need to track this. Make it available for them, and maintain
the value when beacons are received.
When link X receives a beacon, iterate the RNR elements and update all
the links with their respective data.
Track the link id that updated the data so that each link can know
whether the update came from its own beacon or from another link.
In case, the update came from the link's own beacon, always update the
updater link id.
The purpose is to let the low level driver know if a link is losing its
beacons. If link X is losing its beacons, it can still track the
bss_param_ch_cnt and know where the update came from.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.e2d8d1a722ad.I04b883daba2cd48e5730659eb62ca1614c899cbb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.
auto-generated by the following:
for i in `git grep -l -w asm/unaligned.h`; do
sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
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Now that all APIs have support to handle DFS per link, use proper link ID
instead of 0.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-8-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, during starting a radar detection, no link id information is
parsed and passed down. In order to support starting radar detection
during Multi Link Operation, it is required to pass link id as well.
Add changes to first parse and then pass link id in the start radar
detection path.
Additionally, update notification APIs to allow drivers/mac80211 to
pass the link ID.
However, everything is handled at link 0 only until all API's are ready to
handle it per link.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-6-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A few members related to DFS handling are currently under per wireless
device data structure. However, in order to support DFS with MLO, there is
a need to have them on a per-link manner.
Hence, as a preliminary step, move members cac_started, cac_start_time
and cac_time_ms to be on a per-link basis.
Since currently, link ID is not known at all places, use default value of
0 for now.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-5-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reverts commit ce9e660ef32e ("wifi: mac80211: move radar detect work to sdata").
To enable radar detection with MLO, it’s essential to handle it on a
per-link basis. This is because when using MLO, multiple links may already
be active and beaconing. In this scenario, another link should be able to
initiate a radar detection. Also, if underlying links are associated with
different hardware devices but grouped together for MLO, they could
potentially start radar detection simultaneously. Therefore, it makes
sense to manage radar detection settings separately for each link by moving
them back to a per-link data structure.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20240906064426.2101315-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
pull-request: wireless-next-2024-09-04
here's a pull request to net-next tree, more info below. Please let me know if
there are any problems.
====================
Conflicts:
drivers/net/wireless/ath/ath12k/hw.c
38055789d151 ("wifi: ath12k: use 128 bytes aligned iova in transmit path for WCN7850")
8be12629b428 ("wifi: ath12k: restore ASPM for supported hardwares only")
https://lore.kernel.org/87msldyj97.fsf@kernel.org
Link: https://patch.msgid.link/20240904153205.64C11C4CEC2@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check for missing VHT Capabilities and VHT Operation elements in
association response frame only for 5 GHz links.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240827103920.dd711282d543.Iaba245cebc52209b0499d5bab7d8a8ef1df9dd65@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are a number of places where RCU list iteration is
used, but that aren't (always) called with RCU held. Use
just list_for_each_entry() in most, and annotate iface
iteration with the required locks.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240827094939.ed8ac0b2f897.I8443c9c3c0f8051841353491dae758021b53115e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When we had a comeback, we will never use the default timeout values
again because comeback is never cleared.
Clear comeback if we send another association request which will allow
to start a default timer after Tx status.
The problem was seen with iwlwifi where the tx_status on the association
request is handled before the association response frame (which is the
usual case).
1) Tx assoc request 1/3
2) Rx assoc response (comeback, timeout = 1 second)
3) wait 1 second
4) Tx assoc request 2/3
5) Set timer to IEEE80211_ASSOC_TIMEOUT_LONG = 500ms (1 second after
round_up)
6) tx_status on frame sent in 4) is ignored because comeback is still
true
7) AP does not reply with assoc response
8) wait 1s <= This is where the bug is felt
9) Tx assoc request 3/3
With this fix, in step 6 we will reset the timer to
IEEE80211_ASSOC_TIMEOUT_SHORT = 100ms and we will wait only 100ms in
step 8.
Fixes: b133fdf07db8 ("wifi: mac80211: Skip association timeout update after comeback rejection")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20240808085916.23519-1-emmanuel.grumbach@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Return false when memcmp with zero_ssid returns 0 to correctly
handle hidden SSIDs case.
Fixes: 9cc88678db5b ("wifi: mac80211: check SSID in beacon")
Reviewed-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Link: https://patch.msgid.link/20240823105546.7ab29ae287a6.I7f98e57e1ab6597614703fdd138cc88ad253d986@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This flag is annoying because it puts a lot of logic into mac80211
that could just as well be in the driver (only iwlmvm uses it) and
the implementation is also broken for MLO.
Remove the flag in favour of calling drv_mgd_prepare_tx() without
any conditions even for the deauth-while-assoc case. The drivers
that implement it can take the appropriate actions, which for the
only user of DEAUTH_NEED_MGD_TX_PREP (iwlmvm) is a bit more tricky
than the implementation in mac80211 is anyway, and all others have
no need and can just exit if info->was_assoc is set.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240627132527.94924bcc9c9e.I328a219e45f2e2724cd52e75bb9feee3bf21a463@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The beacon processing should be fully done in the context of the link.
This also resolves a bug with CQM handling with MLO as in such a case
the RSSI thresholds configuration is maintained in the link context and
not in the interface context.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Link: https://patch.msgid.link/20240627104600.bb2f0f697881.I675b6a8a186b717f3eef79113c27361fd1a7622c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check that the SSID in beacons is correct, if it's not hidden
and beacon protection is enabled (otherwise there's no value).
If it doesn't match, disconnect.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143809.8b24a3d26a3d.I3e3ef31dbd2ec606be74d502a9d00dd9514c6885@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The code currently handles ECSA (extended channel switch
announcement) public action frames. Handle also their
protected dual, which actually is protected.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143037.db642feb8b2e.I184fa5c9bffb68099171701e403c2aa733f60fde@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Public action extended channel switch announcement (ECSA)
frames cannot be protected well, the spec is unclear about
what should happen in the presence of stations that can
receive protected dual and stations that cannot.
Mitigate these issues by not treating public action frames
as the absolute truth, only treat them as a hint to stop
transmitting (quiet mode), and do the remainder of the CSA
handling only when receiving the next beacon (or protected
action frame) that contains the CSA; or, if it doesn't,
simply stop being quiet and continue operating normally.
This limits the exposure to malicious ECSA public action
frames, since they cannot cause a disconnect now, only a
short interruption in traffic.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143037.ec7ccc45903e.Ife17d55c7ecbf98060f9c52889f3c8ba48798970@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This code is duplicated many times, refactor it into
new separate functions.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143037.1ad22f10392d.If21490c2c67aae28f3c54038363181ee920ce3d1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The negotiated TTLM data must be reset on disconnect, otherwise
it may end up getting reused on another connection. Fix that.
Fixes: 8f500fbc6c65 ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211858.04142e8fe01c.Ia144457e086ebd8ddcfa31bdf5ff210b4b351c22@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need to stop works that have already been
stopped during disconnect, so don't.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211034.f8434be19f56.I021afadc538508da3bc8f95c89f424ca62b94bef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It shouldn't be possible to run this after disconnecting, so
cancel the work earlier.
Fixes: a17a58ad2ff2 ("wifi: mac80211: add support for tearing down negotiated TTLM")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211034.096a10ccebec.I5584a21c27eb9b3e87b9e26380b627114b32ccba@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This work shouldn't run after we're disconnecting. Cancel it earlier
(and then don't cancel it in stop later.)
Fixes: 8eb8dd2ffbbb ("wifi: mac80211: Support link removal using Reconfiguration ML element")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211034.ac754794279f.Ib9fbb1dab50c6b67f6de9be09a6c452ce89bbd50@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The worker calculates the wrong sdata pointer, so if it ever
runs, it'll crash. Fix that.
Fixes: a17a58ad2ff2 ("wifi: mac80211: add support for tearing down negotiated TTLM")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211853.e6471800c76d.I8b7c2d6984c89a11cd33d1a610e9645fa965f6e1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are now three places setting up chanreq.ap which always
depends on the mode (EHT being used or not) and override flag.
Refactor that code into a common function with a comment, to
make that clearer.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506215543.5cd6a209e58a.I3be318959d9e2df5dccd2d0938c3d2fcc6688030@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Handle the transmit power envelope (TPE) element during
channel switch, applying it when the channel switch is
done.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506215543.486c33157d18.Idf971ad801b6961c177bdf42cc323fd1a4ca8165@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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During channel switch, track the AP configuration in the
chanreq, so that wider bandwidth OFDMA is taken into
account correctly, since multiple channel contexts may
be needed due to sharing not being possible due to
wider bandwidth OFDMA.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506215543.b2c5a72dac1b.I69f65cb2e75d4a49a174b1aede68bf8ff0a3cab3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Collect the CSA data in ieee80211_link_data_managed and
ieee80211_link_data into a csa sub-struct to clean up a
bit and make adding new things more obvious.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506215543.29f954b1f576.I9a683a9647c33d4dd3011aade6677982428c1082@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we see a channel switch announcement on one link for
another, handle that case and start the CSA. The driver
can react to this in whatever way it needs. The stack
will have the ability to track it via the RNR/MLE in the
reporting link's beacon if it sees it for inactive links
and adjust everything accordingly.
Note that currently the timings for the CSA aren't set,
the values are only used by the Intel drivers, and they
don't need this for newer devices that support MLO, so
I've left it out for now.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240415112355.4d34b6a31be7.Ie8453979f5805873a8411c99346bcc3810cd6476@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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At some point we thought perhaps this could be per link, but
really that didn't happen, and it's confusing. Radar detection
still uses the deflink to allocate the channel, but the work
need not be there. Move it back.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211311.43bd82c6da04.Ib39bec3aa198d137385f081e7e1910dcbde3aa1b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the TPE (transmit power envelope) is changed, detect and
report that to the driver.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506214536.103dda923f45.I990877e409ab8eade9ed7c172272e0cae57256cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of passing the full TPE elements, in all their glory
and mixed up data formats for HE backward compatibility, parse
them fully into the right values, and pass that to the drivers.
Also introduce proper validation already in mac80211, so that
drivers don't need to do it, and parse the EHT portions.
The code now passes the values in the right order according to
the channel used by an interface, which could also be a subset
of the data advertised by the AP, if we couldn't connect with
the full bandwidth (for whatever reason.)
Also add kunit tests for the more complicated bits of it.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240506214536.2aa839969b60.I265b28209e0b29772b2f125f7f83de44a4da877b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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