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iwlwifi: pass txq to wake/stop queue 

Instead of passing the txq->swq_id, pass the
txq struct directly to make sure that in the
future nobody will pass an invalid number.
Only three places actually change from using
the txq_id or the skb's queue_mapping to now
using txq->swq_id as well.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Johannes Berg 2010-11-10 18:25:44 -08:00 committed by Wey-Yi Guy
parent 4bea9b9902
commit 549a04e092
6 changed files with 14 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -297,7 +297,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) && if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) &&
(txq_id != IWL39_CMD_QUEUE_NUM) && (txq_id != IWL39_CMD_QUEUE_NUM) &&
priv->mac80211_registered) priv->mac80211_registered)
iwl_wake_queue(priv, txq_id); iwl_wake_queue(priv, txq);
} }
/** /**

4
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -2239,7 +2239,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered && if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark) && (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
iwl_wake_queue(priv, txq->swq_id); iwl_wake_queue(priv, txq);
} }
} else { } else {
info->status.rates[0].count = tx_resp->failure_frame + 1; info->status.rates[0].count = tx_resp->failure_frame + 1;
@ -2263,7 +2263,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered && if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark)) (iwl_queue_space(&txq->q) > txq->q.low_mark))
iwl_wake_queue(priv, txq_id); iwl_wake_queue(priv, txq);
} }
if (qc && likely(sta_id != IWL_INVALID_STATION)) if (qc && likely(sta_id != IWL_INVALID_STATION))
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);

4
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -446,7 +446,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered && if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark) && (iwl_queue_space(&txq->q) > txq->q.low_mark) &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) (agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
iwl_wake_queue(priv, txq->swq_id); iwl_wake_queue(priv, txq);
} }
} else { } else {
BUG_ON(txq_id != txq->swq_id); BUG_ON(txq_id != txq->swq_id);
@ -456,7 +456,7 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered && if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark)) (iwl_queue_space(&txq->q) > txq->q.low_mark))
iwl_wake_queue(priv, txq_id); iwl_wake_queue(priv, txq);
} }
iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);

4
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -783,7 +783,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
iwl_txq_update_write_ptr(priv, txq); iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags); spin_unlock_irqrestore(&priv->lock, flags);
} else { } else {
iwl_stop_queue(priv, txq->swq_id); iwl_stop_queue(priv, txq);
} }
} }
@ -1408,7 +1408,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
if ((iwl_queue_space(&txq->q) > txq->q.low_mark) && if ((iwl_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))
iwl_wake_queue(priv, txq->swq_id); iwl_wake_queue(priv, txq);
iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow); iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow);
} }

8
drivers/net/wireless/iwlwifi/iwl-helpers.h
View File

@ -116,8 +116,10 @@ static inline u8 iwl_virtual_agg_queue_num(u8 ac, u8 hwq)
return 0x80 | (hwq << 2) | ac; return 0x80 | (hwq << 2) | ac;
} }
static inline void iwl_wake_queue(struct iwl_priv *priv, u8 queue) static inline void iwl_wake_queue(struct iwl_priv *priv,
struct iwl_tx_queue *txq)
{ {
u8 queue = txq->swq_id;
u8 ac = queue; u8 ac = queue;
u8 hwq = queue; u8 hwq = queue;
@ -131,8 +133,10 @@ static inline void iwl_wake_queue(struct iwl_priv *priv, u8 queue)
ieee80211_wake_queue(priv->hw, ac); ieee80211_wake_queue(priv->hw, ac);
} }
static inline void iwl_stop_queue(struct iwl_priv *priv, u8 queue) static inline void iwl_stop_queue(struct iwl_priv *priv,
struct iwl_tx_queue *txq)
{ {
u8 queue = txq->swq_id;
u8 ac = queue; u8 ac = queue;
u8 hwq = queue; u8 hwq = queue;

2
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -662,7 +662,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
spin_unlock_irqrestore(&priv->lock, flags); spin_unlock_irqrestore(&priv->lock, flags);
} }
iwl_stop_queue(priv, skb_get_queue_mapping(skb)); iwl_stop_queue(priv, txq);
} }
return 0; return 0;