Commit f8e73f8f authored by Jeff Garzik's avatar Jeff Garzik

sundance net drvr: fix DFE-580TX packet drop issue, further reset_tx fixes

(contributed by Edward Peng @ D-Link)
parent 7dd822b2
......@@ -860,6 +860,8 @@ static int netdev_open(struct net_device *dev)
/* Set the chip to poll every N*320nsec. */
writeb(100, ioaddr + RxDMAPollPeriod);
writeb(127, ioaddr + TxDMAPollPeriod);
/* Fix DFE-580TX packet drop issue */
writeb(0x01, ioaddr + DebugCtrl1);
netif_start_queue(dev);
writew(StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
......@@ -967,6 +969,7 @@ static void tx_timeout(struct net_device *dev)
dev->trans_start = jiffies;
np->stats.tx_errors++;
if (!netif_queue_stopped(dev))
netif_wake_queue(dev);
}
......@@ -1116,6 +1119,7 @@ static void intr_handler(int irq, void *dev_instance, struct pt_regs *rgs)
struct netdev_private *np;
long ioaddr;
int boguscnt = max_interrupt_work;
int hw_frame_id;
ioaddr = dev->base_addr;
np = dev->priv;
......@@ -1174,10 +1178,14 @@ static void intr_handler(int irq, void *dev_instance, struct pt_regs *rgs)
}
}
spin_lock(&np->lock);
hw_frame_id = readb(ioaddr + TxFrameId);
for (; np->cur_tx - np->dirty_tx > 0; np->dirty_tx++) {
int entry = np->dirty_tx % TX_RING_SIZE;
struct sk_buff *skb;
if (!(np->tx_ring[entry].status & 0x00010000))
int sw_frame_id;
sw_frame_id = (np->tx_ring[entry].status >> 2) & 0xff;
if (sw_frame_id == hw_frame_id)
break;
skb = np->tx_skbuff[entry];
/* Free the original skb. */
......
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