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Diffstat (limited to 'drivers/net/fec_8xx')
-rw-r--r--drivers/net/fec_8xx/fec_8xx.h2
-rw-r--r--drivers/net/fec_8xx/fec_main.c62
-rw-r--r--drivers/net/fec_8xx/fec_mii.c5
3 files changed, 33 insertions, 36 deletions
diff --git a/drivers/net/fec_8xx/fec_8xx.h b/drivers/net/fec_8xx/fec_8xx.h
index 5af60b0f920..f3b1c6fbba8 100644
--- a/drivers/net/fec_8xx/fec_8xx.h
+++ b/drivers/net/fec_8xx/fec_8xx.h
@@ -105,6 +105,8 @@ struct fec;
struct fec_enet_private {
spinlock_t lock; /* during all ops except TX pckt processing */
spinlock_t tx_lock; /* during fec_start_xmit and fec_tx */
+ struct net_device *dev;
+ struct napi_struct napi;
int fecno;
struct fec *fecp;
const struct fec_platform_info *fpi;
diff --git a/drivers/net/fec_8xx/fec_main.c b/drivers/net/fec_8xx/fec_main.c
index e5502af5b8e..8d2904fa578 100644
--- a/drivers/net/fec_8xx/fec_main.c
+++ b/drivers/net/fec_8xx/fec_main.c
@@ -465,9 +465,9 @@ void fec_stop(struct net_device *dev)
}
/* common receive function */
-static int fec_enet_rx_common(struct net_device *dev, int *budget)
+static int fec_enet_rx_common(struct fec_enet_private *ep,
+ struct net_device *dev, int budget)
{
- struct fec_enet_private *fep = netdev_priv(dev);
fec_t *fecp = fep->fecp;
const struct fec_platform_info *fpi = fep->fpi;
cbd_t *bdp;
@@ -475,11 +475,8 @@ static int fec_enet_rx_common(struct net_device *dev, int *budget)
int received = 0;
__u16 pkt_len, sc;
int curidx;
- int rx_work_limit;
if (fpi->use_napi) {
- rx_work_limit = min(dev->quota, *budget);
-
if (!netif_running(dev))
return 0;
}
@@ -530,11 +527,6 @@ static int fec_enet_rx_common(struct net_device *dev, int *budget)
BUG_ON(skbn == NULL);
} else {
-
- /* napi, got packet but no quota */
- if (fpi->use_napi && --rx_work_limit < 0)
- break;
-
skb = fep->rx_skbuff[curidx];
BUG_ON(skb == NULL);
@@ -599,25 +591,24 @@ static int fec_enet_rx_common(struct net_device *dev, int *budget)
* able to keep up at the expense of system resources.
*/
FW(fecp, r_des_active, 0x01000000);
+
+ if (received >= budget)
+ break;
+
}
fep->cur_rx = bdp;
if (fpi->use_napi) {
- dev->quota -= received;
- *budget -= received;
-
- if (rx_work_limit < 0)
- return 1; /* not done */
+ if (received < budget) {
+ netif_rx_complete(dev, &fep->napi);
- /* done */
- netif_rx_complete(dev);
-
- /* enable RX interrupt bits */
- FS(fecp, imask, FEC_ENET_RXF | FEC_ENET_RXB);
+ /* enable RX interrupt bits */
+ FS(fecp, imask, FEC_ENET_RXF | FEC_ENET_RXB);
+ }
}
- return 0;
+ return received;
}
static void fec_enet_tx(struct net_device *dev)
@@ -743,12 +734,12 @@ fec_enet_interrupt(int irq, void *dev_id)
if ((int_events & FEC_ENET_RXF) != 0) {
if (!fpi->use_napi)
- fec_enet_rx_common(dev, NULL);
+ fec_enet_rx_common(fep, dev, ~0);
else {
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &fep->napi)) {
/* disable rx interrupts */
FC(fecp, imask, FEC_ENET_RXF | FEC_ENET_RXB);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &fep->napi);
} else {
printk(KERN_ERR DRV_MODULE_NAME
": %s driver bug! interrupt while in poll!\n",
@@ -893,10 +884,13 @@ static int fec_enet_open(struct net_device *dev)
const struct fec_platform_info *fpi = fep->fpi;
unsigned long flags;
+ napi_enable(&fep->napi);
+
/* Install our interrupt handler. */
if (request_irq(fpi->fec_irq, fec_enet_interrupt, 0, "fec", dev) != 0) {
printk(KERN_ERR DRV_MODULE_NAME
": %s Could not allocate FEC IRQ!", dev->name);
+ napi_disable(&fep->napi);
return -EINVAL;
}
@@ -907,6 +901,7 @@ static int fec_enet_open(struct net_device *dev)
printk(KERN_ERR DRV_MODULE_NAME
": %s Could not allocate PHY IRQ!", dev->name);
free_irq(fpi->fec_irq, dev);
+ napi_disable(&fep->napi);
return -EINVAL;
}
@@ -932,6 +927,7 @@ static int fec_enet_close(struct net_device *dev)
unsigned long flags;
netif_stop_queue(dev);
+ napi_disable(&fep->napi);
netif_carrier_off(dev);
if (fpi->use_mdio)
@@ -955,9 +951,12 @@ static struct net_device_stats *fec_enet_get_stats(struct net_device *dev)
return &fep->stats;
}
-static int fec_enet_poll(struct net_device *dev, int *budget)
+static int fec_enet_poll(struct napi_struct *napi, int budget)
{
- return fec_enet_rx_common(dev, budget);
+ struct fec_enet_private *fep = container_of(napi, struct fec_enet_private, napi);
+ struct net_device *dev = fep->dev;
+
+ return fec_enet_rx_common(fep, dev, budget);
}
/*************************************************************************/
@@ -1042,9 +1041,7 @@ static const struct ethtool_ops fec_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_msglevel = fec_get_msglevel,
.set_msglevel = fec_set_msglevel,
- .get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_csum, /* local! */
- .get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_regs = fec_get_regs,
};
@@ -1104,9 +1101,9 @@ int fec_8xx_init_one(const struct fec_platform_info *fpi,
err = -ENOMEM;
goto err;
}
- SET_MODULE_OWNER(dev);
fep = netdev_priv(dev);
+ fep->dev = dev;
/* partial reset of FEC */
fec_whack_reset(fecp);
@@ -1172,10 +1169,9 @@ int fec_8xx_init_one(const struct fec_platform_info *fpi,
dev->get_stats = fec_enet_get_stats;
dev->set_multicast_list = fec_set_multicast_list;
dev->set_mac_address = fec_set_mac_address;
- if (fpi->use_napi) {
- dev->poll = fec_enet_poll;
- dev->weight = fpi->napi_weight;
- }
+ netif_napi_add(dev, &fec->napi,
+ fec_enet_poll, fpi->napi_weight);
+
dev->ethtool_ops = &fec_ethtool_ops;
dev->do_ioctl = fec_ioctl;
diff --git a/drivers/net/fec_8xx/fec_mii.c b/drivers/net/fec_8xx/fec_mii.c
index b3fa0d6a159..e8e10a02d20 100644
--- a/drivers/net/fec_8xx/fec_mii.c
+++ b/drivers/net/fec_8xx/fec_mii.c
@@ -308,12 +308,11 @@ int fec_mii_phy_id_detect(struct net_device *dev)
return -1;
}
- for (i = 0, phy = phy_info; i < sizeof(phy_info) / sizeof(phy_info[0]);
- i++, phy++)
+ for (i = 0, phy = phy_info; i < ARRAY_SIZE(phy_info); i++, phy++)
if (phy->id == (phy_hwid >> 4) || phy->id == 0)
break;
- if (i >= sizeof(phy_info) / sizeof(phy_info[0])) {
+ if (i >= ARRAY_SIZE(phy_info)) {
printk(KERN_ERR DRV_MODULE_NAME
": %s PHY id 0x%08x is not supported!\n",
dev->name, phy_hwid);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 13:04:40 +0000