diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/r6040.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index b68781d35928..99dbe4633fc7 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -163,9 +163,9 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver"); /* RX and TX interrupts that we handle */ -#define RX_INT (RX_FINISH) -#define TX_INT (TX_FINISH) -#define INT_MASK (RX_INT | TX_INT) +#define RX_INTS (RX_FIFO_FULL | RX_NO_DESC | RX_FINISH) +#define TX_INTS (TX_FINISH) +#define INT_MASK (RX_INTS | TX_INTS) struct r6040_descriptor { u16 status, len; /* 0-3 */ @@ -671,7 +671,7 @@ static int r6040_poll(struct napi_struct *napi, int budget) if (work_done < budget) { netif_rx_complete(dev, napi); /* Enable RX interrupt */ - iowrite16(ioread16(ioaddr + MIER) | RX_INT, ioaddr + MIER); + iowrite16(ioread16(ioaddr + MIER) | RX_INTS, ioaddr + MIER); } return work_done; } @@ -693,14 +693,22 @@ static irqreturn_t r6040_interrupt(int irq, void *dev_id) return IRQ_NONE; /* RX interrupt request */ - if (status & 0x01) { + if (status & RX_INTS) { + if (status & RX_NO_DESC) { + /* RX descriptor unavailable */ + dev->stats.rx_dropped++; + dev->stats.rx_missed_errors++; + } + if (status & RX_FIFO_FULL) + dev->stats.rx_fifo_errors++; + /* Mask off RX interrupt */ - iowrite16(ioread16(ioaddr + MIER) & ~RX_INT, ioaddr + MIER); + iowrite16(ioread16(ioaddr + MIER) & ~RX_INTS, ioaddr + MIER); netif_rx_schedule(dev, &lp->napi); } /* TX interrupt request */ - if (status & 0x10) + if (status & TX_INTS) r6040_tx(dev); return IRQ_HANDLED; |