A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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staging: vt6656: don't stop TX queue unless buffer full.

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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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Malcolm Priestley 2015-09-27 09:17:43 +01:00 • committed by Greg Kroah-Hartman
commit b914b49449
2 changed files with 5 additions and 7 deletions
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7
drivers/staging/vt6656/main_usb.c
View file

@ -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)

5
drivers/staging/vt6656/rxtx.c
View file

@ -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;
}