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wifi: iwlwifi: mld: track TX/RX IGTKs separately

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Due to FW/HW limitations and the MME being at the end of the
frame, the devices only support a single IGTK for RX. For TX
multiple aren't needed, only the latest will be used, but in
the device there are space restrictions, so we can also only
install one.

For NAN, however, we will have one for RX for each peer, and
one for ourselves to transmit with.

Separate out the tracking of IGTK: instead of being per link
make the TX ones per link and the RX ones per (link) station.

Note that we currently hardcode that the FW can only have two
(IWL_MAX_NUM_IGTKS) IGTKs, which won't be sufficient for NAN
with security, concurrently with BSS.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20260511203428.8fa6859b185d.I584e8b9d238f0b9ef6b65f95114c255209d1c2a3@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
This commit is contained in:
Johannes Berg 2026-05-11 20:36:26 +03:00 • committed by Miri Korenblit
commit 646381b378
5 changed files with 97 additions and 49 deletions
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