/* The typical workload of the driver:
Handle the network interface interrupts. */
static void
seeq8005_interrupt(int irq, void *dev_id, struct pt_regs * regs)
{
struct device *dev = dev_id;
struct net_local *lp;
int ioaddr, status, boguscount = 0;
if (dev == NULL) {
printk ("net_interrupt(): irq %d for unknown device.\n", irq);
return;
}
if (dev->interrupt)
printk ("%s: Re-entering the interrupt handler.\n", dev->name);
dev->interrupt = 1;
ioaddr = dev->base_addr;
lp = (struct net_local *)dev->priv;
status = inw(SEEQ_STATUS);
do {
if (net_debug >2) {
printk("%s: int, status=0x%04x\n",dev->name,status);
}
if (status & SEEQSTAT_WINDOW_INT) {
outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
if (net_debug) {
printk("%s: window int!\n",dev->name);
}
}
if (status & SEEQSTAT_TX_INT) {
outw( SEEQCMD_TX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
lp->stats.tx_packets++;
dev->tbusy = 0;
mark_bh(NET_BH); /* Inform upper layers. */
}
if (status & SEEQSTAT_RX_INT) {
/* Got a packet(s). */
seeq8005_rx(dev);
}
status = inw(SEEQ_STATUS);
} while ( (++boguscount < 10) && (status & SEEQSTAT_ANY_INT)) ;
if(net_debug>2) {
printk("%s: eoi\n",dev->name);
}
dev->interrupt = 0;
return;
}
/* The typical workload of the driver:
Handle the network interface interrupts. */
static irqreturn_t seeq8005_interrupt(int irq, void *dev_id, struct pt_regs * regs)
{
struct net_device *dev = dev_id;
struct net_local *lp;
int ioaddr, status, boguscount = 0;
int handled = 0;
ioaddr = dev->base_addr;
lp = netdev_priv(dev);
status = inw(SEEQ_STATUS);
do {
if (net_debug >2) {
printk("%s: int, status=0x%04x\n",dev->name,status);
}
if (status & SEEQSTAT_WINDOW_INT) {
handled = 1;
outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
if (net_debug) {
printk("%s: window int!\n",dev->name);
}
}
if (status & SEEQSTAT_TX_INT) {
handled = 1;
outw( SEEQCMD_TX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
lp->stats.tx_packets++;
netif_wake_queue(dev); /* Inform upper layers. */
}
if (status & SEEQSTAT_RX_INT) {
handled = 1;
/* Got a packet(s). */
seeq8005_rx(dev);
}
status = inw(SEEQ_STATUS);
} while ( (++boguscount < 10) && (status & SEEQSTAT_ANY_INT)) ;
if(net_debug>2) {
printk("%s: eoi\n",dev->name);
}
return IRQ_RETVAL(handled);
}
