wifi: iwlwifi: mvm: add LARI_CONFIG_EXTENSION command

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There is a new UHB extension bitmap that is part of the LARI
configuration, which needs to be sent to the FW - also frozen ones.
But in frozen FWs we cannot increase the version of an API, since the
driver assumes a specific version, depending on the core number.
In case of a (new) FW that expects the new version and a (old) driver
that doesn't support that new version, the driver will send a default
old version, causing a fw assert about its bad size.

To mitigate this, there is a special command which will be supported
only on those frozen FWs. Old drivers will simply not support/send it,
and new driver will send it if supported by fw.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260715220243.551f40ee2de3.I3e32a5d5c9aa13cbb0e599bef630cdb8e3b031c4@changeid

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Pagadala Yesu Anjaneyulu 2026-07-15 22:04:24 +03:00 • committed by Miri Korenblit

parent ad13072308

commit ebc246e1d5

3 changed files with 63 additions and 0 deletions

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26

drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h

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36

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

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1

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

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