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Commit b914b494 authored Sep 27, 2015 by Malcolm Priestley Committed by Greg Kroah-Hartman Sep 29, 2015

staging: vt6656: don't stop TX queue unless buffer full.



Presently the TX buffer stops while filling the buffer and urb.

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
URB complete will start the queue again when a
buffer and URB is available.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 49a315bf

drivers/staging/vt6656/main_usb.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -507,13 +507,8 @@ 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)

drivers/staging/vt6656/rxtx.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -101,9 +101,12 @@ static struct vnt_usb_send_context
		}
		}

		if (ii == priv->num_tx_context)
		if (ii == priv->num_tx_context) {
		dev_dbg(&priv->usb->dev, "%s No Free Tx Context\n", __func__);

		ieee80211_stop_queues(priv->hw);
		}

		return NULL;
		}