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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: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2009-04-01 14:33:25 -07:00 committed by John W. Linville
parent 584a0f0063
commit 3eb9296970
1 changed files with 7 additions and 3 deletions
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10
drivers/net/wireless/iwlwifi/iwl-tx.c
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@ -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 {