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iwlwifi: map A-MPDU HW queue to mac80211 A-MPDU SW queue 

This patch maps A-MPDU HW queue to mac80211 SW queue scheme (as introduced
in patch "mac80211: QoS related cleanups"), when trying to perform
ieee80211_wake_queue.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ron Rindjunsky 2008-05-04 14:48:18 +03:00 committed by John W. Linville
parent 07346f81e8
commit 0d0b2c1c49
2 changed files with 15 additions and 13 deletions
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5
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -3547,13 +3547,16 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
* block-ack window (we assume that they've been successfully * block-ack window (we assume that they've been successfully
* transmitted ... if not, it's too late anyway). */ * transmitted ... if not, it's too late anyway). */
if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) { if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
/* calculate mac80211 ampdu sw queue to wake */
int ampdu_q =
scd_flow - IWL_BACK_QUEUE_FIRST_ID + priv->hw->queues;
int freed = iwl4965_tx_queue_reclaim(priv, scd_flow, index); int freed = iwl4965_tx_queue_reclaim(priv, scd_flow, index);
priv->stations[ba_resp->sta_id]. priv->stations[ba_resp->sta_id].
tid[ba_resp->tid].tfds_in_queue -= freed; tid[ba_resp->tid].tfds_in_queue -= freed;
if (iwl4965_queue_space(&txq->q) > txq->q.low_mark && if (iwl4965_queue_space(&txq->q) > txq->q.low_mark &&
priv->mac80211_registered && priv->mac80211_registered &&
agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)
ieee80211_wake_queue(priv->hw, scd_flow); ieee80211_wake_queue(priv->hw, ampdu_q);
iwl4965_check_empty_hw_queue(priv, ba_resp->sta_id, iwl4965_check_empty_hw_queue(priv, ba_resp->sta_id,
ba_resp->tid, scd_flow); ba_resp->tid, scd_flow);
} }

23
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -2568,12 +2568,6 @@ int iwl4965_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
nfreed++; nfreed++;
} }
/* if (iwl4965_queue_space(q) > q->low_mark && (txq_id >= 0) &&
(txq_id != IWL_CMD_QUEUE_NUM) &&
priv->mac80211_registered)
ieee80211_wake_queue(priv->hw, txq_id); */
return nfreed; return nfreed;
} }
@ -2797,7 +2791,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
} }
if (txq->q.read_ptr != (scd_ssn & 0xff)) { if (txq->q.read_ptr != (scd_ssn & 0xff)) {
int freed; int freed, ampdu_q;
index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
IWL_DEBUG_TX_REPLY("Retry scheduler reclaim scd_ssn " IWL_DEBUG_TX_REPLY("Retry scheduler reclaim scd_ssn "
"%d index %d\n", scd_ssn , index); "%d index %d\n", scd_ssn , index);
@ -2806,9 +2800,15 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
if (iwl4965_queue_space(&txq->q) > txq->q.low_mark && if (iwl4965_queue_space(&txq->q) > txq->q.low_mark &&
txq_id >= 0 && priv->mac80211_registered && txq_id >= 0 && priv->mac80211_registered &&
agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) {
ieee80211_wake_queue(priv->hw, txq_id); /* calculate mac80211 ampdu sw queue to wake */
ampdu_q = txq_id - IWL_BACK_QUEUE_FIRST_ID +
priv->hw->queues;
if (agg->state == IWL_AGG_OFF)
ieee80211_wake_queue(priv->hw, txq_id);
else
ieee80211_wake_queue(priv->hw, ampdu_q);
}
iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id); iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id);
} }
} else { } else {
@ -2833,8 +2833,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
if (tid != MAX_TID_COUNT) if (tid != MAX_TID_COUNT)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
if (iwl4965_queue_space(&txq->q) > txq->q.low_mark && if (iwl4965_queue_space(&txq->q) > txq->q.low_mark &&
(txq_id >= 0) && (txq_id >= 0) && priv->mac80211_registered)
priv->mac80211_registered)
ieee80211_wake_queue(priv->hw, txq_id); ieee80211_wake_queue(priv->hw, txq_id);
if (tid != MAX_TID_COUNT) if (tid != MAX_TID_COUNT)
iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id); iwl4965_check_empty_hw_queue(priv, sta_id, tid, txq_id);