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Commit c9faccc9 authored by Eyal Shapira's avatar Eyal Shapira Committed by Emmanuel Grumbach
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iwlwifi: mvm: disable beamformer unless FW supports it 



Current FW is declaring support for BFER in ucode_capa.capa
but it doesn't really support it unless the new LQ_SS_PARAMS API
is supported as well. Avoid publishing BFER in our VHT caps
if FW doesn't support.

Signed-off-by: default avatarEyal Shapira <eyalx.shapira@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 833d9b97

drivers/net/wireless/iwlwifi/mvm/mac80211.c

+4 −1
Original line number Diff line number Diff line
@@ -405,7 +405,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 
		hw->wiphy->bands[IEEE80211_BAND_5GHZ] =

			&mvm->nvm_data->bands[IEEE80211_BAND_5GHZ];



		if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BEAMFORMER)

		if ((mvm->fw->ucode_capa.capa[0] &

		     IWL_UCODE_TLV_CAPA_BEAMFORMER) &&

		    (mvm->fw->ucode_capa.api[0] &

		     IWL_UCODE_TLV_API_LQ_SS_PARAMS))

			hw->wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap.cap |=

				IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;

	}