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iwlwifi: don't stop queue in the middle of fragmented packet

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This patch avoids stopping queue in the middle of the fragmented packet.
It is required that there will be ~10 (max packet/min fragment) or 16
(4 bits of frag number) free tfds all the time.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-07-24 21:33:42 +03:00 committed by John W. Linville
parent 8de394f602
commit 143b09efb7
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/iwlwifi/iwl-tx.c
View file

@ -962,16 +962,16 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (ret)
return ret;
if ((iwl_queue_space(q) < q->high_mark)
&& priv->mac80211_registered) {
if ((iwl_queue_space(q) < q->high_mark) && priv->mac80211_registered) {
if (wait_write_ptr) {
spin_lock_irqsave(&priv->lock, flags);
txq->need_update = 1;
iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
} else {
ieee80211_stop_queue(priv->hw,
skb_get_queue_mapping(skb));
}
ieee80211_stop_queue(priv->hw, skb_get_queue_mapping(skb));
}
return 0;