* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <linux/kernel.h> /* printk() */
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <linux/errno.h> /* error codes */
-#include <linux/types.h> /* size_t */
-#include <linux/interrupt.h> /* mark_bh */
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <asm/io.h>
#include <asm/scatterlist.h>
-#include <linux/dma-mapping.h>
#include "meth.h"
static const char *meth_str="SGI O2 Fast Ethernet";
-MODULE_AUTHOR("Ilya Volynets <ilya@theIlya.com>");
-MODULE_DESCRIPTION("SGI O2 Builtin Fast Ethernet driver");
#define HAVE_TX_TIMEOUT
/* The maximum time waited (in jiffies) before assuming a Tx failed. (400ms) */
static void meth_check_link(struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long mii_advertising = mdio_read(priv, 4);
unsigned long mii_partner = mdio_read(priv, 5);
unsigned long negotiated = mii_advertising & mii_partner;
int meth_reset(struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
/* Reset card */
mace->eth.mac_ctrl = SGI_MAC_RESET;
*/
static int meth_open(struct net_device *dev)
{
- struct meth_private *priv = dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
int ret;
priv->phy_addr = -1; /* No PHY is known yet... */
static int meth_release(struct net_device *dev)
{
- struct meth_private *priv = dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
DPRINTK("Stopping queue\n");
netif_stop_queue(dev); /* can't transmit any more */
{
struct sk_buff *skb;
unsigned long status;
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long fifo_rptr = (int_status & METH_INT_RX_RPTR_MASK) >> 8;
spin_lock(&priv->meth_lock);
priv->stats.rx_length_errors++;
skb = priv->rx_skbs[priv->rx_write];
} else {
- skb = alloc_skb(METH_RX_BUFF_SIZE, GFP_ATOMIC | GFP_DMA);
+ skb = alloc_skb(METH_RX_BUFF_SIZE, GFP_ATOMIC);
if (!skb) {
/* Ouch! No memory! Drop packet on the floor */
DPRINTK("No mem: dropping packet\n");
/* Write metadata, and then pass to the receive level */
skb_put(skb_c, len);
priv->rx_skbs[priv->rx_write] = skb;
- skb_c->dev = dev;
skb_c->protocol = eth_type_trans(skb_c, dev);
dev->last_rx = jiffies;
priv->stats.rx_packets++;
static int meth_tx_full(struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
return (priv->tx_count >= TX_RING_ENTRIES - 1);
}
static void meth_tx_cleanup(struct net_device* dev, unsigned long int_status)
{
- struct meth_private *priv = dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long status;
struct sk_buff *skb;
unsigned long rptr = (int_status&TX_INFO_RPTR) >> 16;
static void meth_error(struct net_device* dev, unsigned status)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
printk(KERN_WARNING "meth: error status: 0x%08x\n",status);
/* check for errors too... */
static irqreturn_t meth_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *)dev_id;
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long status;
status = mace->eth.int_stat;
desc->header.raw = METH_TX_CMD_INT_EN | (len-1) | ((128-len) << 16);
/* maybe I should set whole thing to 0 first... */
- memcpy(desc->data.dt + (120 - len), skb->data, skb->len);
+ skb_copy_from_linear_data(skb, desc->data.dt + (120 - len), skb->len);
if (skb->len < len)
memset(desc->data.dt + 120 - len + skb->len, 0, len-skb->len);
}
/* unaligned part */
if (unaligned_len) {
- memcpy(desc->data.dt + (120 - unaligned_len),
- skb->data, unaligned_len);
+ skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
+ unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}
desc->header.raw = METH_TX_CMD_INT_EN | TX_CATBUF1 | TX_CATBUF2| (skb->len - 1);
/* unaligned part */
if (unaligned_len){
- memcpy(desc->data.dt + (120 - unaligned_len),
- skb->data, unaligned_len);
+ skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
+ unaligned_len);
desc->header.raw |= (128 - unaligned_len) << 16;
}
*/
static int meth_tx(struct sk_buff *skb, struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long flags;
spin_lock_irqsave(&priv->meth_lock, flags);
*/
static void meth_tx_timeout(struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long flags;
printk(KERN_WARNING "%s: transmit timed out\n", dev->name);
*/
static struct net_device_stats *meth_stats(struct net_device *dev)
{
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ struct meth_private *priv = netdev_priv(dev);
return &priv->stats;
}
/*
* The init function.
*/
-static struct net_device *meth_init(void)
+static int __init meth_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct meth_private *priv;
- int ret;
+ int err;
dev = alloc_etherdev(sizeof(struct meth_private));
if (!dev)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
dev->open = meth_open;
dev->stop = meth_release;
dev->irq = MACE_ETHERNET_IRQ;
dev->base_addr = (unsigned long)&mace->eth;
- priv = (struct meth_private *) dev->priv;
+ priv = netdev_priv(dev);
spin_lock_init(&priv->meth_lock);
+ SET_NETDEV_DEV(dev, &pdev->dev);
- ret = register_netdev(dev);
- if (ret) {
+ err = register_netdev(dev);
+ if (err) {
free_netdev(dev);
- return ERR_PTR(ret);
+ return err;
}
printk(KERN_INFO "%s: SGI MACE Ethernet rev. %d\n",
return 0;
}
-static struct net_device *meth_dev;
+static int __exit meth_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+
+ unregister_netdev(dev);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver meth_driver = {
+ .probe = meth_probe,
+ .remove = __devexit_p(meth_remove),
+ .driver = {
+ .name = "meth",
+ }
+};
static int __init meth_init_module(void)
{
- meth_dev = meth_init();
- if (IS_ERR(meth_dev))
- return PTR_ERR(meth_dev);
- return 0;
+ int err;
+
+ err = platform_driver_register(&meth_driver);
+ if (err)
+ printk(KERN_ERR "Driver registration failed\n");
+
+ return err;
}
static void __exit meth_exit_module(void)
{
- unregister_netdev(meth_dev);
- free_netdev(meth_dev);
+ platform_driver_unregister(&meth_driver);
}
module_init(meth_init_module);
module_exit(meth_exit_module);
+
+MODULE_AUTHOR("Ilya Volynets <ilya@theIlya.com>");
+MODULE_DESCRIPTION("SGI O2 Builtin Fast Ethernet driver");
+MODULE_LICENSE("GPL");