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ucc_geth: returns NETDEV_TX_BUSY when BD ring is full

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Returns NETDEV_TX_BUSY when BD ring is full.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Li Yang
2007-03-06 16:54:05 +08:00
committed by Jeff Garzik
parent a394f013f0
commit 18babd3854
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ucc_geth.c
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@@ -3607,6 +3607,7 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (bd == ugeth->confBd[txQ]) { if (bd == ugeth->confBd[txQ]) {
if (!netif_queue_stopped(dev)) if (!netif_queue_stopped(dev))
netif_stop_queue(dev); netif_stop_queue(dev);
return NETDEV_TX_BUSY;
} }
ugeth->txBd[txQ] = bd; ugeth->txBd[txQ] = bd;
@@ -3622,7 +3623,7 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_unlock_irq(&ugeth->lock); spin_unlock_irq(&ugeth->lock);
return 0; return NETDEV_TX_OK;
} }
static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit) static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)