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path: root/drivers/net/gianfar.c
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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c95
1 files changed, 41 insertions, 54 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index f926905..0db5e6f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -116,7 +116,6 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void gfar_timeout(struct net_device *dev);
static int gfar_close(struct net_device *dev);
struct sk_buff *gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp);
-static struct net_device_stats *gfar_get_stats(struct net_device *dev);
static int gfar_set_mac_address(struct net_device *dev);
static int gfar_change_mtu(struct net_device *dev, int new_mtu);
static irqreturn_t gfar_error(int irq, void *dev_id);
@@ -134,7 +133,7 @@ static void gfar_configure_serdes(struct net_device *dev);
extern int gfar_local_mdio_write(struct gfar_mii *regs, int mii_id, int regnum, u16 value);
extern int gfar_local_mdio_read(struct gfar_mii *regs, int mii_id, int regnum);
#ifdef CONFIG_GFAR_NAPI
-static int gfar_poll(struct net_device *dev, int *budget);
+static int gfar_poll(struct napi_struct *napi, int budget);
#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
static void gfar_netpoll(struct net_device *dev);
@@ -171,6 +170,7 @@ static int gfar_probe(struct platform_device *pdev)
struct resource *r;
int idx;
int err = 0;
+ DECLARE_MAC_BUF(mac);
einfo = (struct gianfar_platform_data *) pdev->dev.platform_data;
@@ -188,6 +188,7 @@ static int gfar_probe(struct platform_device *pdev)
return -ENOMEM;
priv = netdev_priv(dev);
+ priv->dev = dev;
/* Set the info in the priv to the current info */
priv->einfo = einfo;
@@ -253,7 +254,6 @@ static int gfar_probe(struct platform_device *pdev)
/* Set the dev->base_addr to the gfar reg region */
dev->base_addr = (unsigned long) (priv->regs);
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
/* Fill in the dev structure */
@@ -261,15 +261,11 @@ static int gfar_probe(struct platform_device *pdev)
dev->hard_start_xmit = gfar_start_xmit;
dev->tx_timeout = gfar_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
-#ifdef CONFIG_GFAR_NAPI
- dev->poll = gfar_poll;
- dev->weight = GFAR_DEV_WEIGHT;
-#endif
+ netif_napi_add(dev, &priv->napi, gfar_poll, GFAR_DEV_WEIGHT);
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = gfar_netpoll;
#endif
dev->stop = gfar_close;
- dev->get_stats = gfar_get_stats;
dev->change_mtu = gfar_change_mtu;
dev->mtu = 1500;
dev->set_multicast_list = gfar_set_multi;
@@ -361,10 +357,8 @@ static int gfar_probe(struct platform_device *pdev)
gfar_init_sysfs(dev);
/* Print out the device info */
- printk(KERN_INFO DEVICE_NAME, dev->name);
- for (idx = 0; idx < 6; idx++)
- printk("%2.2x%c", dev->dev_addr[idx], idx == 5 ? ' ' : ':');
- printk("\n");
+ printk(KERN_INFO DEVICE_NAME "%s\n",
+ dev->name, print_mac(mac, dev->dev_addr));
/* Even more device info helps when determining which kernel */
/* provided which set of benchmarks. */
@@ -939,6 +933,8 @@ static int gfar_enet_open(struct net_device *dev)
{
int err;
+ napi_enable(&priv->napi);
+
/* Initialize a bunch of registers */
init_registers(dev);
@@ -946,10 +942,14 @@ static int gfar_enet_open(struct net_device *dev)
err = init_phy(dev);
- if(err)
+ if(err) {
+ napi_disable(&priv->napi);
return err;
+ }
err = startup_gfar(dev);
+ if (err)
+ napi_disable(&priv->napi);
netif_start_queue(dev);
@@ -1010,7 +1010,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned long flags;
/* Update transmit stats */
- priv->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
/* Lock priv now */
spin_lock_irqsave(&priv->txlock, flags);
@@ -1083,7 +1083,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (txbdp == priv->dirty_tx) {
netif_stop_queue(dev);
- priv->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
}
/* Update the current txbd to the next one */
@@ -1102,6 +1102,9 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
static int gfar_close(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
+
+ napi_disable(&priv->napi);
+
stop_gfar(dev);
/* Disconnect from the PHY */
@@ -1113,14 +1116,6 @@ static int gfar_close(struct net_device *dev)
return 0;
}
-/* returns a net_device_stats structure pointer */
-static struct net_device_stats * gfar_get_stats(struct net_device *dev)
-{
- struct gfar_private *priv = netdev_priv(dev);
-
- return &(priv->stats);
-}
-
/* Changes the mac address if the controller is not running. */
int gfar_set_mac_address(struct net_device *dev)
{
@@ -1232,7 +1227,7 @@ static void gfar_timeout(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (dev->flags & IFF_UP) {
stop_gfar(dev);
@@ -1262,12 +1257,12 @@ static irqreturn_t gfar_transmit(int irq, void *dev_id)
if ((bdp == priv->cur_tx) && (netif_queue_stopped(dev) == 0))
break;
- priv->stats.tx_packets++;
+ dev->stats.tx_packets++;
/* Deferred means some collisions occurred during transmit, */
/* but we eventually sent the packet. */
if (bdp->status & TXBD_DEF)
- priv->stats.collisions++;
+ dev->stats.collisions++;
/* Free the sk buffer associated with this TxBD */
dev_kfree_skb_irq(priv->tx_skbuff[priv->skb_dirtytx]);
@@ -1318,7 +1313,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp)
return NULL;
alignamount = RXBUF_ALIGNMENT -
- (((unsigned) skb->data) & (RXBUF_ALIGNMENT - 1));
+ (((unsigned long) skb->data) & (RXBUF_ALIGNMENT - 1));
/* We need the data buffer to be aligned properly. We will reserve
* as many bytes as needed to align the data properly
@@ -1339,7 +1334,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp)
static inline void count_errors(unsigned short status, struct gfar_private *priv)
{
- struct net_device_stats *stats = &priv->stats;
+ struct net_device_stats *stats = &dev->stats;
struct gfar_extra_stats *estats = &priv->extra_stats;
/* If the packet was truncated, none of the other errors
@@ -1390,12 +1385,12 @@ irqreturn_t gfar_receive(int irq, void *dev_id)
/* support NAPI */
#ifdef CONFIG_GFAR_NAPI
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &priv->napi)) {
tempval = gfar_read(&priv->regs->imask);
tempval &= IMASK_RX_DISABLED;
gfar_write(&priv->regs->imask, tempval);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &priv->napi);
} else {
if (netif_msg_rx_err(priv))
printk(KERN_DEBUG "%s: receive called twice (%x)[%x]\n",
@@ -1464,7 +1459,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
if (NULL == skb) {
if (netif_msg_rx_err(priv))
printk(KERN_WARNING "%s: Missing skb!!.\n", dev->name);
- priv->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
priv->extra_stats.rx_skbmissing++;
} else {
int ret;
@@ -1522,7 +1517,7 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
(RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET
| RXBD_CRCERR | RXBD_OVERRUN | RXBD_TRUNCATED))) {
/* Increment the number of packets */
- priv->stats.rx_packets++;
+ dev->stats.rx_packets++;
howmany++;
/* Remove the FCS from the packet length */
@@ -1530,7 +1525,7 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
gfar_process_frame(dev, skb, pkt_len);
- priv->stats.rx_bytes += pkt_len;
+ dev->stats.rx_bytes += pkt_len;
} else {
count_errors(bdp->status, priv);
@@ -1569,23 +1564,16 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
}
#ifdef CONFIG_GFAR_NAPI
-static int gfar_poll(struct net_device *dev, int *budget)
+static int gfar_poll(struct napi_struct *napi, int budget)
{
+ struct gfar_private *priv = container_of(napi, struct gfar_private, napi);
+ struct net_device *dev = priv->dev;
int howmany;
- struct gfar_private *priv = netdev_priv(dev);
- int rx_work_limit = *budget;
-
- if (rx_work_limit > dev->quota)
- rx_work_limit = dev->quota;
- howmany = gfar_clean_rx_ring(dev, rx_work_limit);
+ howmany = gfar_clean_rx_ring(dev, budget);
- dev->quota -= howmany;
- rx_work_limit -= howmany;
- *budget -= howmany;
-
- if (rx_work_limit > 0) {
- netif_rx_complete(dev);
+ if (howmany < budget) {
+ netif_rx_complete(dev, napi);
/* Clear the halt bit in RSTAT */
gfar_write(&priv->regs->rstat, RSTAT_CLEAR_RHALT);
@@ -1601,8 +1589,7 @@ static int gfar_poll(struct net_device *dev, int *budget)
gfar_write(&priv->regs->rxic, 0);
}
- /* Return 1 if there's more work to do */
- return (rx_work_limit > 0) ? 0 : 1;
+ return howmany;
}
#endif
@@ -1918,17 +1905,17 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
/* Update the error counters */
if (events & IEVENT_TXE) {
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (events & IEVENT_LC)
- priv->stats.tx_window_errors++;
+ dev->stats.tx_window_errors++;
if (events & IEVENT_CRL)
- priv->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if (events & IEVENT_XFUN) {
if (netif_msg_tx_err(priv))
printk(KERN_DEBUG "%s: TX FIFO underrun, "
"packet dropped.\n", dev->name);
- priv->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
priv->extra_stats.tx_underrun++;
/* Reactivate the Tx Queues */
@@ -1938,7 +1925,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
printk(KERN_DEBUG "%s: Transmit Error\n", dev->name);
}
if (events & IEVENT_BSY) {
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
priv->extra_stats.rx_bsy++;
gfar_receive(irq, dev_id);
@@ -1953,7 +1940,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id)
dev->name, gfar_read(&priv->regs->rstat));
}
if (events & IEVENT_BABR) {
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
priv->extra_stats.rx_babr++;
if (netif_msg_rx_err(priv))
generated by cgit v1.1 at 2024-10-30 13:58:20 +0000