Commit df720373 authored by Sara Sharon's avatar Sara Sharon Committed by Kalle Valo
Browse files

iwlwifi: mvm: re-enable TX after channel switch 



The FW relies on the re-enablement of the TX in order to know
it can exit quiet mode. Currently in case of CSA with quiet mode,
the quiet mode is never cancelled, resulting in a complete traffic
hang.

Signed-off-by: default avatarSara Sharon <sara.sharon@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008180656.fee389c83ded.I09550fdadb61f899242d7e7b7578672372e2b7fe@changeid
parent 64f55156

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

+1 −3
Original line number Diff line number Diff line
@@ -1597,8 +1597,6 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 
		RCU_INIT_POINTER(mvm->csa_vif, NULL);

		return;

	case NL80211_IFTYPE_STATION:

		if (!fw_has_capa(&mvm->fw->ucode_capa,

				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))

		iwl_mvm_csa_client_absent(mvm, vif);

		cancel_delayed_work(&mvmvif->csa_work);

		ieee80211_chswitch_done(vif, true);

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

+1 −3
Original line number Diff line number Diff line
@@ -1370,8 +1370,6 @@ static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw, 
			goto out_unlock;

		}



		if (!fw_has_capa(&mvm->fw->ucode_capa,

				 IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))

		iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);



		iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);