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wifi: mac80211: add Control Integrity Protocol handling

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Add the handling of CIP during association, when adding a station in AP
mode and also add some checks whether the keys are being installed
correctly.

For internal use, add a new key flag CIP that is used for both the
pairwise key and CIGTK. The CIGTK will then have the MCAST_KEY and CIP
flags set.

As the CIGTK uses key indices 0 and 1, add a new variable to track it
separately from the other GTKs.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20260921144048.f032c70e0bc2.I30cf9ae29629188b8674e2268a6b592c1a63128b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Benjamin Berg 2026-09-21 14:40:55 +02:00 • committed by Johannes Berg
commit 57be6fdf3c
7 changed files with 126 additions and 25 deletions
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