X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fnet%2Fsungem.c;h=53b8344a68effd0766ec73c262d0aab7bf3c4f61;hb=5c80f1ae9842a8b7985acd0f02efb9828effb05f;hp=4328038550344733f910f50f2f8e87e31a7fbf11;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=linux-2.6-omap-h63xx.git 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)