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ieee80211_mle_common_size() uses the first common-info octet as the
common information length for all known MLE types. However,
ieee80211_mle_size_ok() only validates that octet for Basic, Probe
Request, and TDLS MLEs.
Reconfiguration MLEs also skipped the length octet when calculating the
minimum common size, and Priority Access MLEs skipped validation of the
advertised common information length.
Account for the Reconfiguration common-info length octet and validate
the advertised common information length for all known MLE types. Keep
unknown-type handling unchanged.
Fixes: 0f48b8b88aa9 ("wifi: ieee80211: add definitions for multi-link element")
Cc: stable@vger.kernel.org
Signed-off-by: Zhao Li <enderaoelyther@gmail.com>
Link: https://patch.msgid.link/20260611173506.36838-2-enderaoelyther@gmail.com
[remove now misleading comment]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In AP mode, track the BSS non-DBE bandwidth and apply
that to all non-DBE clients, then track OMP updates
from the clients and enable/disable DBE accordingly.
For now don't send a response, clients need to have a
timer anyway (it's up to the driver to set the right
timeout in UHR capabilities.)
Link: https://patch.msgid.link/20260529102644.be84f2b055cc.I4d2c067dfe54c47621d5a872ca07a0e754d6c20f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a UHR AP has DBE enabled, parse the channel and apply it
to the chandef. Apply for TX only after the OMP response (or
timeout) so that the AP doesn't receive frames with DBE width
before the station completed transition to DBE.
Link: https://patch.msgid.link/20260529102644.cb810f212128.Ife37c2673251346e84e4250b242b31f0895520ab@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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UHR defines bit 8 to mean multi-link power management, add
a definition for it. Also reindent the other definitions to
use tabs, not spaces.
Link: https://patch.msgid.link/20260428110915.c6b6a06016cf.I7ebd97397507d320124547017e21191b55c5d34d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Transition Timeout is not specific to EMLSR, and is used by both EMLSR
and EMLMR mode.
Signed-off-by: Pablo Martin-Gomez <pmartin-gomez@freebox.fr>
Link: https://patch.msgid.link/20260410170429.343617-5-pmartin-gomez@freebox.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the final version of 802.11be-2024, Transition Delay and Padding
Delay subfield are for both EMLSR and EMLMR. Depending if the mode is
EMLSR or EMLMR, the interpretation of the encoded value might change.
Define all the constants and helpers to interpret delay subfields both
in EMLSR and EMLMR mode.
Signed-off-by: Pablo Martin-Gomez <pmartin-gomez@freebox.fr>
Link: https://patch.msgid.link/20260410170429.343617-4-pmartin-gomez@freebox.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the finalized version of 802.11be-2024, the EMLMR delay values have
been merged in the EMLSR Padding/Transition Delay subfields and
therefore the subfield EMLMR Delay has been converted to a reserved field.
Signed-off-by: Pablo Martin-Gomez <pmartin-gomez@freebox.fr>
Link: https://patch.msgid.link/20260410170429.343617-3-pmartin-gomez@freebox.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In Table 9-417m of 802.11be-2024, Transition Timeout is defined up
to value 10 for a Transition Timeout of 64TUs. The value 11 is reserved
and does not correspond to a Transition Timeout of 128TUs.
Signed-off-by: Pablo Martin-Gomez <pmartin-gomez@freebox.fr>
Link: https://patch.msgid.link/20260410170429.343617-2-pmartin-gomez@freebox.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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According to the definition in IEEE Std 802.11be-2024, Table 9-417r, each
bit indicates support for the transmission and reception of EHT-MCS 15 in:
- B0: 52+26-tone and 106+26-tone MRUs.
- B1: a 484+242-tone MRU if 80 MHz is supported.
- B2: a 996+484-tone MRU and a 996+484+242-tone MRU if 160 MHz is
supported.
- B3: a 3×996-tone MRU if 320 MHz is supported.
Fixes: 6239da18d2f9 ("wifi: mac80211: adjust EHT capa when lowering bandwidth")
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20260313062150.3165433-1-shayne.chen@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Introduce support in AP mode for parsing of the Operating Mode Notification
frame sent by the client to enable/disable MLO eMLSR or eMLMR if supported
by both the AP and the client.
Add drv_set_eml_op_mode mac80211 callback in order to configure underlay
driver with eMLSR/eMLMR info.
Tested-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260129-mac80211-emlsr-v4-1-14bdadf57380@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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After the split of ieee80211.h some include guard comments weren't
updated, update them to their new file names.
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20260130005319.70019-1-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The ieee80211.h file has gotten very long, continue splitting
it by putting EHT definitions into a separate file.
Link: https://patch.msgid.link/20251105153843.bf77fe169140.I691267e0edd914c604a5bfd447d33be00044c9b4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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