diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index e8bd0b311946..c114c3a704f8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -531,6 +531,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) u8 tid = 0; u8 *qc = NULL; unsigned long flags; + bool is_agg = false; if (info->control.vif) ctx = iwl_rxon_ctx_from_vif(info->control.vif); @@ -616,6 +617,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (info->flags & IEEE80211_TX_CTL_AMPDU && priv->stations[sta_id].tid[tid].agg.state == IWL_AGG_ON) { txq_id = priv->stations[sta_id].tid[tid].agg.txq_id; + is_agg = true; } } @@ -763,8 +765,14 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) * whether or not we should update the write pointer. */ - /* avoid atomic ops if it isn't an associated client */ - if (sta_priv && sta_priv->client) + /* + * Avoid atomic ops if it isn't an associated client. + * Also, if this is a packet for aggregation, don't + * increase the counter because the ucode will stop + * aggregation queues when their respective station + * goes to sleep. + */ + if (sta_priv && sta_priv->client && !is_agg) atomic_inc(&sta_priv->pending_frames); if ((iwl_queue_space(q) < q->high_mark) && priv->mac80211_registered) { @@ -1143,14 +1151,15 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv, return 0; } -static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info) +static void iwlagn_non_agg_tx_status(struct iwl_priv *priv, + struct iwl_rxon_context *ctx, + const u8 *addr1) { - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data; struct ieee80211_sta *sta; struct iwl_station_priv *sta_priv; rcu_read_lock(); - sta = ieee80211_find_sta(tx_info->ctx->vif, hdr->addr1); + sta = ieee80211_find_sta(ctx->vif, addr1); if (sta) { sta_priv = (void *)sta->drv_priv; /* avoid atomic ops if this isn't a client */ @@ -1159,6 +1168,15 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info) ieee80211_sta_block_awake(priv->hw, sta, false); } rcu_read_unlock(); +} + +static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info, + bool is_agg) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data; + + if (!is_agg) + iwlagn_non_agg_tx_status(priv, tx_info->ctx, hdr->addr1); ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb); } @@ -1183,7 +1201,8 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { tx_info = &txq->txb[txq->q.read_ptr]; - iwlagn_tx_status(priv, tx_info); + iwlagn_tx_status(priv, tx_info, + txq_id >= IWLAGN_FIRST_AMPDU_QUEUE); hdr = (struct ieee80211_hdr *)tx_info->skb->data; if (hdr && ieee80211_is_data_qos(hdr->frame_control)) |