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[1/6] staging: vt6655: don't stop TX queue unless buffer full.

Message ID 1443341864-2756-1-git-send-email-tvboxspy@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Kalle Valo
Headers show

Commit Message

Malcolm Priestley Sept. 27, 2015, 8:17 a.m. UTC 
Presently the TX buffer stops while filling the buffer.

However, this does not make use of the available buffer
space, it also lags the speed of the TX troughtput.

Only stop the queue when the buffer becomes full. The
Interupt handler will start the queue again when a
buffer is available.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
---
 drivers/staging/vt6655/device_main.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 326bce3..07ebdea 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1105,6 +1105,7 @@  static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
 	if (AVAIL_TD(priv, dma_idx) < 1) {
 		spin_unlock_irqrestore(&priv->lock, flags);
+		ieee80211_stop_queues(priv->hw);
 		return -ENOMEM;
 	}
 
@@ -1156,13 +1157,8 @@  static void vnt_tx_80211(struct ieee80211_hw *hw,
 {
 	struct vnt_private *priv = hw->priv;
 
-	ieee80211_stop_queues(hw);
-
-	if (vnt_tx_packet(priv, skb)) {
+	if (vnt_tx_packet(priv, skb))
 		ieee80211_free_txskb(hw, skb);
-
-		ieee80211_wake_queues(hw);
-	}
 }
 
 static int vnt_start(struct ieee80211_hw *hw)