{
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->base;
+ unsigned long flags;
int i;
/* Do we need to reset the chip??? */
iowrite8(0x01, ioaddr + DebugCtrl1);
netif_start_queue(dev);
+ spin_lock_irqsave(&np->lock, flags);
+ reset_tx(dev);
+ spin_unlock_irqrestore(&np->lock, flags);
+
iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
if (netif_msg_ifup(np))
/* free all tx skbuff */
for (i = 0; i < TX_RING_SIZE; i++) {
+ np->tx_ring[i].next_desc = 0;
+
skb = np->tx_skbuff[i];
if (skb) {
pci_unmap_single(np->pci_dev,
}
np->cur_tx = np->dirty_tx = 0;
np->cur_task = 0;
+
+ np->last_tx = NULL;
+ iowrite8(127, ioaddr + TxDMAPollPeriod);
+
iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
return 0;
}
sundance_reset(dev, (NetworkReset|FIFOReset|TxReset) << 16);
/* No need to reset the Tx pointer here */
}
- /* Restart the Tx. */
- iowrite16 (TxEnable, ioaddr + MACCtrl1);
+ /* Restart the Tx. Need to make sure tx enabled */
+ i = 10;
+ do {
+ iowrite16(ioread16(ioaddr + MACCtrl1) | TxEnable, ioaddr + MACCtrl1);
+ if (ioread16(ioaddr + MACCtrl1) & TxEnabled)
+ break;
+ mdelay(1);
+ } while (--i);
}
/* Yup, this is a documentation bug. It cost me *hours*. */
iowrite16 (0, ioaddr + TxStatus);
struct sk_buff *skb;
int i;
+ /* Wait and kill tasklet */
+ tasklet_kill(&np->rx_tasklet);
+ tasklet_kill(&np->tx_tasklet);
+ np->cur_tx = 0;
+ np->dirty_tx = 0;
+ np->cur_task = 0;
+ np->last_tx = NULL;
+
netif_stop_queue(dev);
if (netif_msg_ifdown(np)) {
/* Disable interrupts by clearing the interrupt mask. */
iowrite16(0x0000, ioaddr + IntrEnable);
+ /* Disable Rx and Tx DMA for safely release resource */
+ iowrite32(0x500, ioaddr + DMACtrl);
+
/* Stop the chip's Tx and Rx processes. */
iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1);
- /* Wait and kill tasklet */
- tasklet_kill(&np->rx_tasklet);
- tasklet_kill(&np->tx_tasklet);
+ for (i = 2000; i > 0; i--) {
+ if ((ioread32(ioaddr + DMACtrl) & 0xc000) == 0)
+ break;
+ mdelay(1);
+ }
+
+ iowrite16(GlobalReset | DMAReset | FIFOReset | NetworkReset,
+ ioaddr +ASICCtrl + 2);
+
+ for (i = 2000; i > 0; i--) {
+ if ((ioread16(ioaddr + ASICCtrl +2) & ResetBusy) == 0)
+ break;
+ mdelay(1);
+ }
#ifdef __i386__
if (netif_msg_hw(np)) {
}
}
for (i = 0; i < TX_RING_SIZE; i++) {
+ np->tx_ring[i].next_desc = 0;
skb = np->tx_skbuff[i];
if (skb) {
pci_unmap_single(np->pci_dev,