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| author |   Li Yang <leoli@freescale.com> | 2007-03-06 16:53:46 +0800 |
|---|---|---|
| committer |   Jeff Garzik <jeff@garzik.org> | 2007-03-06 06:10:01 -0500 |
| commit | a394f013f05ba083d8547551280e0309ca70b08d (patch) | |
| tree | 59882986e88fc194bafeb0b6708b98ec5e117be2 | |
| parent | natsemi: netpoll fixes (diff) | |
| download | linux-dev-a394f013f05ba083d8547551280e0309ca70b08d.tar.xz linux-dev-a394f013f05ba083d8547551280e0309ca70b08d.zip | |
ucc_geth: Fix BD processing
Fix broken BD processing code.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/ucc_geth.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 885e73d731c2..639e1e6913bf 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -3598,9 +3598,9 @@ 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. */ @@ -3609,6 +3609,8 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); } + ugeth->txBd[txQ] = bd; + if (ugeth->p_scheduler) { ugeth->cpucount[txQ]++; /* Indicate to QE that there are more Tx bds ready for @@ -3722,7 +3724,7 @@ 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 +3743,12 @@ 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; } |