diff options
Diffstat (limited to 'drivers/net/ucc_geth.c')
| -rw-r--r-- | drivers/net/ucc_geth.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 885e73d731c..dab88b958d6 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3598,17 +3598,20 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Move to next BD in the ring */ if (!(bd_status & T_W)) - ugeth->txBd[txQ] = bd + sizeof(struct qe_bd); + bd += sizeof(struct qe_bd); else - ugeth->txBd[txQ] = ugeth->p_tx_bd_ring[txQ]; + bd = ugeth->p_tx_bd_ring[txQ]; /* If the next BD still needs to be cleaned up, then the bds are full. We need to tell the kernel to stop sending us stuff. */ if (bd == ugeth->confBd[txQ]) { if (!netif_queue_stopped(dev)) netif_stop_queue(dev); + return NETDEV_TX_BUSY; } + ugeth->txBd[txQ] = bd; + if (ugeth->p_scheduler) { ugeth->cpucount[txQ]++; /* Indicate to QE that there are more Tx bds ready for @@ -3620,7 +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) @@ -3722,7 +3725,7 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ) /* Handle the transmitted buffer and release */ /* the BD to be used with the current frame */ - if ((bd = ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0)) + if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0)) break; ugeth->stats.tx_packets++; @@ -3741,10 +3744,12 @@ static int ucc_geth_tx(struct net_device *dev, u8 txQ) /* Advance the confirmation BD pointer */ if (!(bd_status & T_W)) - ugeth->confBd[txQ] += sizeof(struct qe_bd); + bd += sizeof(struct qe_bd); else - ugeth->confBd[txQ] = ugeth->p_tx_bd_ring[txQ]; + bd = ugeth->p_tx_bd_ring[txQ]; + bd_status = in_be32((u32 *)bd); } + ugeth->confBd[txQ] = bd; return 0; } |