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path: root/drivers/net/natsemi.c
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Diffstat (limited to 'drivers/net/natsemi.c')
-rw-r--r--drivers/net/natsemi.c64
1 files changed, 32 insertions, 32 deletions
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index b47a12d684f9..527f9dcc7f69 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -108,7 +108,7 @@ static int full_duplex[MAX_UNITS];
#define TX_TIMEOUT (2*HZ)
#define NATSEMI_HW_TIMEOUT 400
-#define NATSEMI_TIMER_FREQ 3*HZ
+#define NATSEMI_TIMER_FREQ 5*HZ
#define NATSEMI_PG0_NREGS 64
#define NATSEMI_RFDR_NREGS 8
#define NATSEMI_PG1_NREGS 4
@@ -560,6 +560,8 @@ struct netdev_private {
/* address of a sent-in-place packet/buffer, for later free() */
struct sk_buff *tx_skbuff[TX_RING_SIZE];
dma_addr_t tx_dma[TX_RING_SIZE];
+ struct net_device *dev;
+ struct napi_struct napi;
struct net_device_stats stats;
/* Media monitoring timer */
struct timer_list timer;
@@ -636,7 +638,7 @@ static void init_registers(struct net_device *dev);
static int start_tx(struct sk_buff *skb, struct net_device *dev);
static irqreturn_t intr_handler(int irq, void *dev_instance);
static void netdev_error(struct net_device *dev, int intr_status);
-static int natsemi_poll(struct net_device *dev, int *budget);
+static int natsemi_poll(struct napi_struct *napi, int budget);
static void netdev_rx(struct net_device *dev, int *work_done, int work_to_do);
static void netdev_tx_done(struct net_device *dev);
static int natsemi_change_mtu(struct net_device *dev, int new_mtu);
@@ -803,6 +805,7 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
const int pcibar = 1; /* PCI base address register */
int prev_eedata;
u32 tmp;
+ DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
#ifndef MODULE
@@ -835,7 +838,6 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
dev = alloc_etherdev(sizeof (struct netdev_private));
if (!dev)
return -ENOMEM;
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
i = pci_request_regions(pdev, DRV_NAME);
@@ -861,6 +863,7 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
dev->irq = irq;
np = netdev_priv(dev);
+ netif_napi_add(dev, &np->napi, natsemi_poll, 64);
np->pci_dev = pdev;
pci_set_drvdata(pdev, dev);
@@ -931,8 +934,6 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
dev->do_ioctl = &netdev_ioctl;
dev->tx_timeout = &tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
- dev->poll = natsemi_poll;
- dev->weight = 64;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = &natsemi_poll_controller;
@@ -958,12 +959,10 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
goto err_create_file;
if (netif_msg_drv(np)) {
- printk(KERN_INFO "natsemi %s: %s at %#08lx (%s), ",
- dev->name, natsemi_pci_info[chip_idx].name, iostart,
- pci_name(np->pci_dev));
- for (i = 0; i < ETH_ALEN-1; i++)
- printk("%02x:", dev->dev_addr[i]);
- printk("%02x, IRQ %d", dev->dev_addr[i], irq);
+ printk(KERN_INFO "natsemi %s: %s at %#08lx "
+ "(%s), %s, IRQ %d",
+ dev->name, natsemi_pci_info[chip_idx].name, iostart,
+ pci_name(np->pci_dev), print_mac(mac, dev->dev_addr), irq);
if (dev->if_port == PORT_TP)
printk(", port TP.\n");
else if (np->ignore_phy)
@@ -1554,6 +1553,8 @@ static int netdev_open(struct net_device *dev)
free_irq(dev->irq, dev);
return i;
}
+ napi_enable(&np->napi);
+
init_ring(dev);
spin_lock_irq(&np->lock);
init_registers(dev);
@@ -1614,7 +1615,7 @@ static void do_cable_magic(struct net_device *dev)
* (these values all come from National)
*/
if (!(data & 0x80) || ((data >= 0xd8) && (data <= 0xff))) {
- struct netdev_private *np = netdev_priv(dev);
+ np = netdev_priv(dev);
/* the bug has been triggered - fix the coefficient */
writew(TSTDAT_FIXED, ioaddr + TSTDAT);
@@ -1797,7 +1798,7 @@ static void netdev_timer(unsigned long data)
struct net_device *dev = (struct net_device *)data;
struct netdev_private *np = netdev_priv(dev);
void __iomem * ioaddr = ns_ioaddr(dev);
- int next_tick = 5*HZ;
+ int next_tick = NATSEMI_TIMER_FREQ;
if (netif_msg_timer(np)) {
/* DO NOT read the IntrStatus register,
@@ -2200,10 +2201,10 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
prefetch(&np->rx_skbuff[np->cur_rx % RX_RING_SIZE]);
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &np->napi)) {
/* Disable interrupts and register for poll */
natsemi_irq_disable(dev);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &np->napi);
} else
printk(KERN_WARNING
"%s: Ignoring interrupt, status %#08x, mask %#08x.\n",
@@ -2216,12 +2217,11 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
/* This is the NAPI poll routine. As well as the standard RX handling
* it also handles all other interrupts that the chip might raise.
*/
-static int natsemi_poll(struct net_device *dev, int *budget)
+static int natsemi_poll(struct napi_struct *napi, int budget)
{
- struct netdev_private *np = netdev_priv(dev);
+ struct netdev_private *np = container_of(napi, struct netdev_private, napi);
+ struct net_device *dev = np->dev;
void __iomem * ioaddr = ns_ioaddr(dev);
-
- int work_to_do = min(*budget, dev->quota);
int work_done = 0;
do {
@@ -2236,7 +2236,7 @@ static int natsemi_poll(struct net_device *dev, int *budget)
if (np->intr_status &
(IntrRxDone | IntrRxIntr | RxStatusFIFOOver |
IntrRxErr | IntrRxOverrun)) {
- netdev_rx(dev, &work_done, work_to_do);
+ netdev_rx(dev, &work_done, budget);
}
if (np->intr_status &
@@ -2250,16 +2250,13 @@ static int natsemi_poll(struct net_device *dev, int *budget)
if (np->intr_status & IntrAbnormalSummary)
netdev_error(dev, np->intr_status);
- *budget -= work_done;
- dev->quota -= work_done;
-
- if (work_done >= work_to_do)
- return 1;
+ if (work_done >= budget)
+ return work_done;
np->intr_status = readl(ioaddr + IntrStatus);
} while (np->intr_status);
- netif_rx_complete(dev);
+ netif_rx_complete(dev, napi);
/* Reenable interrupts providing nothing is trying to shut
* the chip down. */
@@ -2268,7 +2265,7 @@ static int natsemi_poll(struct net_device *dev, int *budget)
natsemi_irq_enable(dev);
spin_unlock(&np->lock);
- return 0;
+ return work_done;
}
/* This routine is logically part of the interrupt handler, but separated
@@ -2505,8 +2502,8 @@ static void __set_rx_mode(struct net_device *dev)
memset(mc_filter, 0, sizeof(mc_filter));
for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
i++, mclist = mclist->next) {
- int i = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 23) & 0x1ff;
- mc_filter[i/8] |= (1 << (i & 0x07));
+ int b = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 23) & 0x1ff;
+ mc_filter[b/8] |= (1 << (b & 0x07));
}
rx_mode = RxFilterEnable | AcceptBroadcast
| AcceptMulticast | AcceptMyPhys;
@@ -3158,6 +3155,8 @@ static int netdev_close(struct net_device *dev)
dev->name, np->cur_tx, np->dirty_tx,
np->cur_rx, np->dirty_rx);
+ napi_disable(&np->napi);
+
/*
* FIXME: what if someone tries to close a device
* that is suspended?
@@ -3253,7 +3252,7 @@ static void __devexit natsemi_remove1 (struct pci_dev *pdev)
* disable_irq() to enforce synchronization.
* * natsemi_poll: checks before reenabling interrupts. suspend
* sets hands_off, disables interrupts and then waits with
- * netif_poll_disable().
+ * napi_disable().
*
* Interrupts must be disabled, otherwise hands_off can cause irq storms.
*/
@@ -3279,7 +3278,7 @@ static int natsemi_suspend (struct pci_dev *pdev, pm_message_t state)
spin_unlock_irq(&np->lock);
enable_irq(dev->irq);
- netif_poll_disable(dev);
+ napi_disable(&np->napi);
/* Update the error counts. */
__get_stats(dev);
@@ -3320,6 +3319,8 @@ static int natsemi_resume (struct pci_dev *pdev)
pci_enable_device(pdev);
/* pci_power_on(pdev); */
+ napi_enable(&np->napi);
+
natsemi_reset(dev);
init_ring(dev);
disable_irq(dev->irq);
@@ -3333,7 +3334,6 @@ static int natsemi_resume (struct pci_dev *pdev)
mod_timer(&np->timer, jiffies + 1*HZ);
}
netif_device_attach(dev);
- netif_poll_enable(dev);
out:
rtnl_unlock();
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.