wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flow

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As part of the new security API in the FW, all security keys are to
be removed before station removal. Until now IGTK rekey
wasn't supported in the D3 resume flow, and thus the driver might
not know the right key to remove.
If an IGTK was rekeyed during D3 the old IGTK is removed and the
new key is updated. If not, the old key's IPN is updated.
As opposed to GTK, which both the FW and the driver hold it's two
most recent keys, only one IGTK is held.

Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230621144844.b53c301c07e6.I375277a10a1f756b93d4a343f6664351a80189c5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Yedidya Benshimol 2023-06-21 14:49:52 +03:00 • committed by Johannes Berg

parent fa4e48fb3e

commit 04f78e242f

2 changed files with 147 additions and 25 deletions

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4

drivers/net/wireless/intel/iwlwifi/fw/api/d3.h

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168

drivers/net/wireless/intel/iwlwifi/mvm/d3.c

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