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Commit 143b09ef authored by Tomas Winkler's avatar Tomas Winkler Committed by John W. Linville
Browse files

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



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: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 8de394f6

drivers/net/wireless/iwlwifi/iwl-tx.c

+4 −4
Original line number Diff line number Diff line
@@ -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;