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authorMalcolm Priestley <tvboxspy@gmail.com>2015-09-27 08:17:43 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 02:19:54 (GMT)
commitb914b4944902d489226a5b465908403505723b9a (patch)
tree23514bf25f77db1fe808668e1a60cec54e2266e5
parent49a315bf072e7ebe8bdc4a2e11f405c821835e88 (diff)
downloadlinux-b914b4944902d489226a5b465908403505723b9a.tar.xz
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>
-rw-r--r--drivers/staging/vt6656/main_usb.c7
-rw-r--r--drivers/staging/vt6656/rxtx.c5
2 files changed, 5 insertions, 7 deletions
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 3fc6862..01e642d 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -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)
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index da075f4..efb54f5 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -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;
}