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path: root/drivers/net/tsi108_eth.c
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Diffstat (limited to 'drivers/net/tsi108_eth.c')
-rw-r--r--drivers/net/tsi108_eth.c49
1 files changed, 22 insertions, 27 deletions
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index 1aabc91f645..df10af7df7b 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -47,7 +47,6 @@
#include <linux/rtnetlink.h>
#include <linux/timer.h>
#include <linux/platform_device.h>
-#include <linux/etherdevice.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -79,6 +78,9 @@ struct tsi108_prv_data {
void __iomem *regs; /* Base of normal regs */
void __iomem *phyregs; /* Base of register bank used for PHY access */
+ struct net_device *dev;
+ struct napi_struct napi;
+
unsigned int phy; /* Index of PHY for this interface */
unsigned int irq_num;
unsigned int id;
@@ -837,13 +839,13 @@ static int tsi108_refill_rx(struct net_device *dev, int budget)
return done;
}
-static int tsi108_poll(struct net_device *dev, int *budget)
+static int tsi108_poll(struct napi_struct *napi, int budget)
{
- struct tsi108_prv_data *data = netdev_priv(dev);
+ struct tsi108_prv_data *data = container_of(napi, struct tsi108_prv_data, napi);
+ struct net_device *dev = data->dev;
u32 estat = TSI_READ(TSI108_EC_RXESTAT);
u32 intstat = TSI_READ(TSI108_EC_INTSTAT);
- int total_budget = min(*budget, dev->quota);
- int num_received = 0, num_filled = 0, budget_used;
+ int num_received = 0, num_filled = 0;
intstat &= TSI108_INT_RXQUEUE0 | TSI108_INT_RXTHRESH |
TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR | TSI108_INT_RXWAIT;
@@ -852,7 +854,7 @@ static int tsi108_poll(struct net_device *dev, int *budget)
TSI_WRITE(TSI108_EC_INTSTAT, intstat);
if (data->rxpending || (estat & TSI108_EC_RXESTAT_Q0_DESCINT))
- num_received = tsi108_complete_rx(dev, total_budget);
+ num_received = tsi108_complete_rx(dev, budget);
/* This should normally fill no more slots than the number of
* packets received in tsi108_complete_rx(). The exception
@@ -867,7 +869,7 @@ static int tsi108_poll(struct net_device *dev, int *budget)
*/
if (data->rxfree < TSI108_RXRING_LEN)
- num_filled = tsi108_refill_rx(dev, total_budget * 2);
+ num_filled = tsi108_refill_rx(dev, budget * 2);
if (intstat & TSI108_INT_RXERROR) {
u32 err = TSI_READ(TSI108_EC_RXERR);
@@ -890,14 +892,9 @@ static int tsi108_poll(struct net_device *dev, int *budget)
spin_unlock_irq(&data->misclock);
}
- budget_used = max(num_received, num_filled / 2);
-
- *budget -= budget_used;
- dev->quota -= budget_used;
-
- if (budget_used != total_budget) {
+ if (num_received < budget) {
data->rxpending = 0;
- netif_rx_complete(dev);
+ netif_rx_complete(dev, napi);
TSI_WRITE(TSI108_EC_INTMASK,
TSI_READ(TSI108_EC_INTMASK)
@@ -906,14 +903,11 @@ static int tsi108_poll(struct net_device *dev, int *budget)
TSI108_INT_RXOVERRUN |
TSI108_INT_RXERROR |
TSI108_INT_RXWAIT));
-
- /* IRQs are level-triggered, so no need to re-check */
- return 0;
} else {
data->rxpending = 1;
}
- return 1;
+ return num_received;
}
static void tsi108_rx_int(struct net_device *dev)
@@ -931,7 +925,7 @@ static void tsi108_rx_int(struct net_device *dev)
* from tsi108_check_rxring().
*/
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &data->napi)) {
/* Mask, rather than ack, the receive interrupts. The ack
* will happen in tsi108_poll().
*/
@@ -942,7 +936,7 @@ static void tsi108_rx_int(struct net_device *dev)
| TSI108_INT_RXTHRESH |
TSI108_INT_RXOVERRUN | TSI108_INT_RXERROR |
TSI108_INT_RXWAIT);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &data->napi);
} else {
if (!netif_running(dev)) {
/* This can happen if an interrupt occurs while the
@@ -1401,6 +1395,8 @@ static int tsi108_open(struct net_device *dev)
TSI_WRITE(TSI108_EC_TXQ_PTRLOW, data->txdma);
tsi108_init_phy(dev);
+ napi_enable(&data->napi);
+
setup_timer(&data->timer, tsi108_timed_checker, (unsigned long)dev);
mod_timer(&data->timer, jiffies + 1);
@@ -1425,6 +1421,7 @@ static int tsi108_close(struct net_device *dev)
struct tsi108_prv_data *data = netdev_priv(dev);
netif_stop_queue(dev);
+ napi_disable(&data->napi);
del_timer_sync(&data->timer);
@@ -1543,6 +1540,7 @@ tsi108_init_one(struct platform_device *pdev)
struct tsi108_prv_data *data = NULL;
hw_info *einfo;
int err = 0;
+ DECLARE_MAC_BUF(mac);
einfo = pdev->dev.platform_data;
@@ -1562,6 +1560,7 @@ tsi108_init_one(struct platform_device *pdev)
printk("tsi108_eth%d: probe...\n", pdev->id);
data = netdev_priv(dev);
+ data->dev = dev;
pr_debug("tsi108_eth%d:regs:phyresgs:phy:irq_num=0x%x:0x%x:0x%x:0x%x\n",
pdev->id, einfo->regs, einfo->phyregs,
@@ -1597,9 +1596,8 @@ tsi108_init_one(struct platform_device *pdev)
dev->set_mac_address = tsi108_set_mac;
dev->set_multicast_list = tsi108_set_rx_mode;
dev->get_stats = tsi108_get_stats;
- dev->poll = tsi108_poll;
+ netif_napi_add(dev, &data->napi, tsi108_poll, 64);
dev->do_ioctl = tsi108_do_ioctl;
- dev->weight = 64; /* 64 is more suitable for GigE interface - klai */
/* Apparently, the Linux networking code won't use scatter-gather
* if the hardware doesn't do checksums. However, it's faster
@@ -1610,7 +1608,6 @@ tsi108_init_one(struct platform_device *pdev)
*/
dev->features = NETIF_F_HIGHDMA;
- SET_MODULE_OWNER(dev);
spin_lock_init(&data->txlock);
spin_lock_init(&data->misclock);
@@ -1632,10 +1629,8 @@ tsi108_init_one(struct platform_device *pdev)
goto register_fail;
}
- printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: "
- "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+ printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %s\n"
+ dev->name, print_mac(mac, dev->dev_addr));
#ifdef DEBUG
data->msg_enable = DEBUG;
dump_eth_one(dev);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 23:58:06 +0000