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Commit 3eb92969 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlwifi: add debug messages when start aggregation queue 



This patch adding few more debug messages if encounter error when driver
try to start tx aggregation queue. Also change from IWL_ERR to
IWL_DEBUG_HT is the HW legacy queue is empty when driver request to move
to aggregation queue.

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 584a0f00

drivers/net/wireless/iwlwifi/iwl-tx.c

+7 −3
Original line number Diff line number Diff line
@@ -1170,8 +1170,10 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn) 
			__func__, ra, tid);



	sta_id = iwl_find_station(priv, ra);

	if (sta_id == IWL_INVALID_STATION)

	if (sta_id == IWL_INVALID_STATION) {

		IWL_ERR(priv, "Start AGG on invalid station\n");

		return -ENXIO;

	}



	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) {

		IWL_ERR(priv, "Start AGG when state is not IWL_AGG_OFF !\n");
@@ -1179,8 +1181,10 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn) 
	}



	txq_id = iwl_txq_ctx_activate_free(priv);

	if (txq_id == -1)

	if (txq_id == -1) {

		IWL_ERR(priv, "No free aggregation queue available\n");

		return -ENXIO;

	}



	spin_lock_irqsave(&priv->sta_lock, flags);

	tid_data = &priv->stations[sta_id].tid[tid];
@@ -1194,7 +1198,7 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn) 
		return ret;



	if (tid_data->tfds_in_queue == 0) {

		IWL_ERR(priv, "HW queue is empty\n");

		IWL_DEBUG_HT(priv, "HW queue is empty\n");

		tid_data->agg.state = IWL_AGG_ON;

		ieee80211_start_tx_ba_cb_irqsafe(priv->hw, ra, tid);

	} else {