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Commit c5b0e7c0 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach
Browse files

iwlwifi: mvm: implement mac80211's flush callback 



This allows mac80211 to flush the Tx queues before it sends
critical management frames.

Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent bd3398e2

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

+29 −0
Original line number Original line Diff line number Diff line
@@ -2400,6 +2400,34 @@ out_unlock: 
	mutex_unlock(&mvm->mutex);

	mutex_unlock(&mvm->mutex);

}

}





static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,

			      struct ieee80211_vif *vif, u32 queues, bool drop)

{

	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);

	struct iwl_mvm_vif *mvmvif;

	struct iwl_mvm_sta *mvmsta;



	if (!vif || vif->type != NL80211_IFTYPE_STATION)

		return;



	mutex_lock(&mvm->mutex);

	mvmvif = iwl_mvm_vif_from_mac80211(vif);

	mvmsta = iwl_mvm_sta_from_staid_protected(mvm, mvmvif->ap_sta_id);



	if (WARN_ON_ONCE(!mvmsta))

		goto done;



	if (drop) {

		if (iwl_mvm_flush_tx_path(mvm, mvmsta->tfd_queue_msk, true))

			IWL_ERR(mvm, "flush request fail\n");

	} else {

		iwl_trans_wait_tx_queue_empty(mvm->trans,

					      mvmsta->tfd_queue_msk);

	}

done:

	mutex_unlock(&mvm->mutex);

}



const struct ieee80211_ops iwl_mvm_hw_ops = {

const struct ieee80211_ops iwl_mvm_hw_ops = {

	.tx = iwl_mvm_mac_tx,

	.tx = iwl_mvm_mac_tx,

	.ampdu_action = iwl_mvm_mac_ampdu_action,

	.ampdu_action = iwl_mvm_mac_ampdu_action,
@@ -2423,6 +2451,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { 
	.sta_rc_update = iwl_mvm_sta_rc_update,

	.sta_rc_update = iwl_mvm_sta_rc_update,

	.conf_tx = iwl_mvm_mac_conf_tx,

	.conf_tx = iwl_mvm_mac_conf_tx,

	.mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,

	.mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx,

	.flush = iwl_mvm_mac_flush,

	.sched_scan_start = iwl_mvm_mac_sched_scan_start,

	.sched_scan_start = iwl_mvm_mac_sched_scan_start,

	.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,

	.sched_scan_stop = iwl_mvm_mac_sched_scan_stop,

	.set_key = iwl_mvm_mac_set_key,

	.set_key = iwl_mvm_mac_set_key,