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authorLi Yang <leoli@freescale.com>2007-03-06 11:54:05 +0300
committerJeff Garzik <jeff@garzik.org>2007-03-06 14:10:02 +0300
commit18babd38547a042a4bfd4154a014d1ad33373eb0 (patch)
treeeef08234cb08d72622b89c91dd5b33d656da6bf2 /drivers/net/ucc_geth.c
parenta394f013f05ba083d8547551280e0309ca70b08d (diff)
downloadlinux-18babd38547a042a4bfd4154a014d1ad33373eb0.tar.xz
ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
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>
Diffstat (limited to 'drivers/net/ucc_geth.c')
-rw-r--r--drivers/net/ucc_geth.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 639e1e6913bf..dab88b958d6e 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3607,6 +3607,7 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (bd == ugeth->confBd[txQ]) {
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
}
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);
- return 0;
+ return NETDEV_TX_OK;
}
static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)