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path: root/drivers/net/tc35815.c
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Diffstat (limited to 'drivers/net/tc35815.c')
-rw-r--r--drivers/net/tc35815.c49
1 files changed, 27 insertions, 22 deletions
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index ec41469..b5e0dff 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -414,6 +414,9 @@ enum tc35815_timer_state {
struct tc35815_local {
struct pci_dev *pci_dev;
+ struct net_device *dev;
+ struct napi_struct napi;
+
/* statistics */
struct net_device_stats stats;
struct {
@@ -566,7 +569,7 @@ static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t tc35815_interrupt(int irq, void *dev_id);
#ifdef TC35815_NAPI
static int tc35815_rx(struct net_device *dev, int limit);
-static int tc35815_poll(struct net_device *dev, int *budget);
+static int tc35815_poll(struct napi_struct *napi, int budget);
#else
static void tc35815_rx(struct net_device *dev);
#endif
@@ -685,6 +688,7 @@ static int __devinit tc35815_init_one (struct pci_dev *pdev,
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
lp = dev->priv;
+ lp->dev = dev;
/* enable device (incl. PCI PM wakeup), and bus-mastering */
rc = pci_enable_device (pdev);
@@ -738,8 +742,7 @@ static int __devinit tc35815_init_one (struct pci_dev *pdev,
dev->tx_timeout = tc35815_tx_timeout;
dev->watchdog_timeo = TC35815_TX_TIMEOUT;
#ifdef TC35815_NAPI
- dev->poll = tc35815_poll;
- dev->weight = NAPI_WEIGHT;
+ netif_napi_add(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = tc35815_poll_controller;
@@ -748,8 +751,6 @@ static int __devinit tc35815_init_one (struct pci_dev *pdev,
dev->irq = pdev->irq;
dev->base_addr = (unsigned long) ioaddr;
- /* dev->priv/lp zeroed and aligned in alloc_etherdev */
- lp = dev->priv;
spin_lock_init(&lp->lock);
lp->pci_dev = pdev;
lp->boardtype = ent->driver_data;
@@ -1237,6 +1238,10 @@ tc35815_open(struct net_device *dev)
return -EAGAIN;
}
+#ifdef TC35815_NAPI
+ napi_enable(&lp->napi);
+#endif
+
/* Reset the hardware here. Don't forget to set the station address. */
spin_lock_irq(&lp->lock);
tc35815_chip_init(dev);
@@ -1436,6 +1441,7 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status)
static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
+ struct tc35815_local *lp = netdev_priv(dev);
struct tc35815_regs __iomem *tr =
(struct tc35815_regs __iomem *)dev->base_addr;
#ifdef TC35815_NAPI
@@ -1444,8 +1450,8 @@ static irqreturn_t tc35815_interrupt(int irq, void *dev_id)
if (!(dmactl & DMA_IntMask)) {
/* disable interrupts */
tc_writel(dmactl | DMA_IntMask, &tr->DMA_Ctl);
- if (netif_rx_schedule_prep(dev))
- __netif_rx_schedule(dev);
+ if (netif_rx_schedule_prep(dev, &lp->napi))
+ __netif_rx_schedule(dev, &lp->napi);
else {
printk(KERN_ERR "%s: interrupt taken in poll\n",
dev->name);
@@ -1726,13 +1732,12 @@ tc35815_rx(struct net_device *dev)
}
#ifdef TC35815_NAPI
-static int
-tc35815_poll(struct net_device *dev, int *budget)
+static int tc35815_poll(struct napi_struct *napi, int budget)
{
- struct tc35815_local *lp = dev->priv;
+ struct tc35815_local *lp = container_of(napi, struct tc35815_local, napi);
+ struct net_device *dev = lp->dev;
struct tc35815_regs __iomem *tr =
(struct tc35815_regs __iomem *)dev->base_addr;
- int limit = min(*budget, dev->quota);
int received = 0, handled;
u32 status;
@@ -1744,23 +1749,19 @@ tc35815_poll(struct net_device *dev, int *budget)
handled = tc35815_do_interrupt(dev, status, limit);
if (handled >= 0) {
received += handled;
- limit -= handled;
- if (limit <= 0)
+ if (received >= budget)
break;
}
status = tc_readl(&tr->Int_Src);
} while (status);
spin_unlock(&lp->lock);
- dev->quota -= received;
- *budget -= received;
- if (limit <= 0)
- return 1;
-
- netif_rx_complete(dev);
- /* enable interrupts */
- tc_writel(tc_readl(&tr->DMA_Ctl) & ~DMA_IntMask, &tr->DMA_Ctl);
- return 0;
+ if (received < budget) {
+ netif_rx_complete(dev, napi);
+ /* enable interrupts */
+ tc_writel(tc_readl(&tr->DMA_Ctl) & ~DMA_IntMask, &tr->DMA_Ctl);
+ }
+ return received;
}
#endif
@@ -1949,7 +1950,11 @@ static int
tc35815_close(struct net_device *dev)
{
struct tc35815_local *lp = dev->priv;
+
netif_stop_queue(dev);
+#ifdef TC35815_NAPI
+ napi_disable(&lp->napi);
+#endif
/* Flush the Tx and disable Rx here. */
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