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path: root/drivers/net/sungem.c
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Diffstat (limited to 'drivers/net/sungem.c')
-rw-r--r--drivers/net/sungem.c65
1 files changed, 29 insertions, 36 deletions
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 43280385503..53b8344a68e 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -19,7 +19,7 @@
*
* gem_change_mtu() and gem_set_multicast() are called with a read_lock()
* help by net/core/dev.c, thus they can't schedule. That means they can't
- * call netif_poll_disable() neither, thus force gem_poll() to keep a spinlock
+ * call napi_disable() neither, thus force gem_poll() to keep a spinlock
* where it could have been dropped. change_mtu especially would love also to
* be able to msleep instead of horrid locked delays when resetting the HW,
* but that read_lock() makes it impossible, unless I defer it's action to
@@ -878,19 +878,20 @@ static int gem_rx(struct gem *gp, int work_to_do)
return work_done;
}
-static int gem_poll(struct net_device *dev, int *budget)
+static int gem_poll(struct napi_struct *napi, int budget)
{
- struct gem *gp = dev->priv;
+ struct gem *gp = container_of(napi, struct gem, napi);
+ struct net_device *dev = gp->dev;
unsigned long flags;
+ int work_done;
/*
* NAPI locking nightmare: See comment at head of driver
*/
spin_lock_irqsave(&gp->lock, flags);
+ work_done = 0;
do {
- int work_to_do, work_done;
-
/* Handle anomalies */
if (gp->status & GREG_STAT_ABNORMAL) {
if (gem_abnormal_irq(dev, gp, gp->status))
@@ -906,29 +907,25 @@ static int gem_poll(struct net_device *dev, int *budget)
/* Run RX thread. We don't use any locking here,
* code willing to do bad things - like cleaning the
- * rx ring - must call netif_poll_disable(), which
+ * rx ring - must call napi_disable(), which
* schedule_timeout()'s if polling is already disabled.
*/
- work_to_do = min(*budget, dev->quota);
-
- work_done = gem_rx(gp, work_to_do);
-
- *budget -= work_done;
- dev->quota -= work_done;
+ work_done += gem_rx(gp, budget);
- if (work_done >= work_to_do)
- return 1;
+ if (work_done >= budget)
+ return work_done;
spin_lock_irqsave(&gp->lock, flags);
gp->status = readl(gp->regs + GREG_STAT);
} while (gp->status & GREG_STAT_NAPI);
- __netif_rx_complete(dev);
+ __netif_rx_complete(dev, napi);
gem_enable_ints(gp);
spin_unlock_irqrestore(&gp->lock, flags);
- return 0;
+
+ return work_done;
}
static irqreturn_t gem_interrupt(int irq, void *dev_id)
@@ -946,17 +943,17 @@ static irqreturn_t gem_interrupt(int irq, void *dev_id)
spin_lock_irqsave(&gp->lock, flags);
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &gp->napi)) {
u32 gem_status = readl(gp->regs + GREG_STAT);
if (gem_status == 0) {
- netif_poll_enable(dev);
+ napi_enable(&gp->napi);
spin_unlock_irqrestore(&gp->lock, flags);
return IRQ_NONE;
}
gp->status = gem_status;
gem_disable_ints(gp);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &gp->napi);
}
spin_unlock_irqrestore(&gp->lock, flags);
@@ -2284,7 +2281,7 @@ static void gem_reset_task(struct work_struct *work)
mutex_lock(&gp->pm_mutex);
- netif_poll_disable(gp->dev);
+ napi_disable(&gp->napi);
spin_lock_irq(&gp->lock);
spin_lock(&gp->tx_lock);
@@ -2307,7 +2304,7 @@ static void gem_reset_task(struct work_struct *work)
spin_unlock(&gp->tx_lock);
spin_unlock_irq(&gp->lock);
- netif_poll_enable(gp->dev);
+ napi_enable(&gp->napi);
mutex_unlock(&gp->pm_mutex);
}
@@ -2324,6 +2321,8 @@ static int gem_open(struct net_device *dev)
if (!gp->asleep)
rc = gem_do_start(dev);
gp->opened = (rc == 0);
+ if (gp->opened)
+ napi_enable(&gp->napi);
mutex_unlock(&gp->pm_mutex);
@@ -2334,9 +2333,7 @@ static int gem_close(struct net_device *dev)
{
struct gem *gp = dev->priv;
- /* Note: we don't need to call netif_poll_disable() here because
- * our caller (dev_close) already did it for us
- */
+ napi_disable(&gp->napi);
mutex_lock(&gp->pm_mutex);
@@ -2358,7 +2355,7 @@ static int gem_suspend(struct pci_dev *pdev, pm_message_t state)
mutex_lock(&gp->pm_mutex);
- netif_poll_disable(dev);
+ napi_disable(&gp->napi);
printk(KERN_INFO "%s: suspending, WakeOnLan %s\n",
dev->name,
@@ -2482,7 +2479,7 @@ static int gem_resume(struct pci_dev *pdev)
spin_unlock(&gp->tx_lock);
spin_unlock_irqrestore(&gp->lock, flags);
- netif_poll_enable(dev);
+ napi_enable(&gp->napi);
mutex_unlock(&gp->pm_mutex);
@@ -2968,7 +2965,8 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
unsigned long gemreg_base, gemreg_len;
struct net_device *dev;
struct gem *gp;
- int i, err, pci_using_dac;
+ int err, pci_using_dac;
+ DECLARE_MAC_BUF(mac);
if (gem_version_printed++ == 0)
printk(KERN_INFO "%s", version);
@@ -3026,7 +3024,6 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
err = -ENOMEM;
goto err_disable_device;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
gp = dev->priv;
@@ -3121,8 +3118,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
dev->get_stats = gem_get_stats;
dev->set_multicast_list = gem_set_multicast;
dev->do_ioctl = gem_ioctl;
- dev->poll = gem_poll;
- dev->weight = 64;
+ netif_napi_add(dev, &gp->napi, gem_poll, 64);
dev->ethtool_ops = &gem_ethtool_ops;
dev->tx_timeout = gem_tx_timeout;
dev->watchdog_timeo = 5 * HZ;
@@ -3154,12 +3150,9 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
goto err_out_free_consistent;
}
- printk(KERN_INFO "%s: Sun GEM (PCI) 10/100/1000BaseT Ethernet ",
- dev->name);
- for (i = 0; i < 6; i++)
- printk("%2.2x%c", dev->dev_addr[i],
- i == 5 ? ' ' : ':');
- printk("\n");
+ printk(KERN_INFO "%s: Sun GEM (PCI) 10/100/1000BaseT Ethernet "
+ "%s\n",
+ dev->name, print_mac(mac, dev->dev_addr));
if (gp->phy_type == phy_mii_mdio0 ||
gp->phy_type == phy_mii_mdio1)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 22:00:33 +0000