* 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/sched.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/ip32/ip32_ints.h>
#include <asm/io.h>
-#include <asm/scatterlist.h>
-#include <linux/dma-mapping.h>
#include "meth.h"
#endif
#if MFE_DEBUG>=1
-#define DPRINTK(str,args...) printk(KERN_DEBUG "meth: %s: " str, __FUNCTION__ , ## args)
+#define DPRINTK(str,args...) printk(KERN_DEBUG "meth: %s: " str, __func__ , ## args)
#define MFE_RX_DEBUG 2
#else
#define DPRINTK(str,args...)
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) */
#define TX_TIMEOUT (400*HZ/1000)
-#ifdef HAVE_TX_TIMEOUT
static int timeout = TX_TIMEOUT;
module_param(timeout, int, 0);
-#endif
/*
* This structure is private to each device. It is used to pass
* packets in and out, so there is place for a packet
*/
struct meth_private {
- struct net_device_stats stats;
/* in-memory copy of MAC Control register */
unsigned long mac_ctrl;
/* in-memory copy of DMA Control register */
static inline void load_eaddr(struct net_device *dev)
{
int i;
- DPRINTK("Loading MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
- (int)o2meth_eaddr[0]&0xFF,(int)o2meth_eaddr[1]&0xFF,(int)o2meth_eaddr[2]&0xFF,
- (int)o2meth_eaddr[3]&0xFF,(int)o2meth_eaddr[4]&0xFF,(int)o2meth_eaddr[5]&0xFF);
+ u64 macaddr;
+
+ DPRINTK("Loading MAC Address: %pM\n", dev->dev_addr);
+ macaddr = 0;
for (i = 0; i < 6; i++)
- dev->dev_addr[i] = o2meth_eaddr[i];
- mace->eth.mac_addr = (*(unsigned long*)o2meth_eaddr) >> 16;
+ macaddr |= (u64)dev->dev_addr[i] << ((5 - i) * 8);
+
+ mace->eth.mac_addr = macaddr;
}
/*
static int mdio_probe(struct meth_private *priv)
{
int i;
- unsigned long p2, p3;
+ unsigned long p2, p3, flags;
/* check if phy is detected already */
if(priv->phy_addr>=0&&priv->phy_addr<32)
return 0;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
for (i=0;i<32;++i){
priv->phy_addr=i;
p2=mdio_read(priv,2);
break;
}
}
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
if(priv->phy_addr<32) {
return 0;
}
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;
/* Initial mode: 10 | Half-duplex | Accept normal packets */
priv->mac_ctrl = METH_ACCEPT_MCAST | METH_DEFAULT_IPG;
- if (dev->flags | IFF_PROMISC)
+ if (dev->flags & IFF_PROMISC)
priv->mac_ctrl |= METH_PROMISC;
mace->eth.mac_ctrl = priv->mac_ctrl;
*/
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 */
static void meth_rx(struct net_device* dev, unsigned long int_status)
{
struct sk_buff *skb;
- unsigned long status;
- struct meth_private *priv = (struct meth_private *) dev->priv;
+ unsigned long status, flags;
+ struct meth_private *priv = netdev_priv(dev);
unsigned long fifo_rptr = (int_status & METH_INT_RX_RPTR_MASK) >> 8;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
priv->dma_ctrl &= ~METH_DMA_RX_INT_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
if (int_status & METH_INT_RX_UNDERFLOW) {
fifo_rptr = (fifo_rptr - 1) & 0x0f;
int len = (status & 0xffff) - 4; /* omit CRC */
/* length sanity check */
if (len < 60 || len > 1518) {
- printk(KERN_DEBUG "%s: bogus packet size: %ld, status=%#2lx.\n",
+ printk(KERN_DEBUG "%s: bogus packet size: %ld, status=%#2Lx.\n",
dev->name, priv->rx_write,
priv->rx_ring[priv->rx_write]->status.raw);
- priv->stats.rx_errors++;
- priv->stats.rx_length_errors++;
+ dev->stats.rx_errors++;
+ dev->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");
- priv->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
skb = priv->rx_skbs[priv->rx_write];
} else {
struct sk_buff *skb_c = priv->rx_skbs[priv->rx_write];
/* 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++;
- priv->stats.rx_bytes += len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
netif_rx(skb_c);
}
}
} else {
- priv->stats.rx_errors++;
+ dev->stats.rx_errors++;
skb=priv->rx_skbs[priv->rx_write];
#if MFE_DEBUG>0
printk(KERN_WARNING "meth: RX error: status=0x%016lx\n",status);
mace->eth.rx_fifo = priv->rx_ring_dmas[priv->rx_write];
ADVANCE_RX_PTR(priv->rx_write);
}
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
/* In case there was underflow, and Rx DMA was disabled */
priv->dma_ctrl |= METH_DMA_RX_INT_EN | METH_DMA_RX_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
mace->eth.int_stat = METH_INT_RX_THRESHOLD;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
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;
- unsigned long status;
+ struct meth_private *priv = netdev_priv(dev);
+ unsigned long status, flags;
struct sk_buff *skb;
unsigned long rptr = (int_status&TX_INFO_RPTR) >> 16;
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
/* Stop DMA notification */
priv->dma_ctrl &= ~(METH_DMA_TX_INT_EN);
#endif
if (status & METH_TX_ST_DONE) {
if (status & METH_TX_ST_SUCCESS){
- priv->stats.tx_packets++;
- priv->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
} else {
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
#if MFE_DEBUG>=1
DPRINTK("TX error: status=%016lx <",status);
if(status & METH_TX_ST_SUCCESS)
}
mace->eth.int_stat = METH_INT_TX_EMPTY | METH_INT_TX_PKT;
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
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);
+ unsigned long flags;
printk(KERN_WARNING "meth: error status: 0x%08x\n",status);
/* check for errors too... */
printk(KERN_WARNING "meth: Rx overflow\n");
if (status & (METH_INT_RX_UNDERFLOW)) {
printk(KERN_WARNING "meth: Rx underflow\n");
- spin_lock(&priv->meth_lock);
+ spin_lock_irqsave(&priv->meth_lock, flags);
mace->eth.int_stat = METH_INT_RX_UNDERFLOW;
/* more underflow interrupts will be delivered,
* effectively throwing us into an infinite loop.
priv->dma_ctrl &= ~METH_DMA_RX_EN;
mace->eth.dma_ctrl = priv->dma_ctrl;
DPRINTK("Disabled meth Rx DMA temporarily\n");
- spin_unlock(&priv->meth_lock);
+ spin_unlock_irqrestore(&priv->meth_lock, flags);
}
mace->eth.int_stat = METH_INT_ERROR;
}
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);
spin_unlock_irqrestore(&priv->meth_lock, flags);
- return 0;
+ return NETDEV_TX_OK;
}
/*
*/
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);
/* Try to reset the interface. */
meth_reset(dev);
- priv->stats.tx_errors++;
+ dev->stats.tx_errors++;
/* Clear all rings */
meth_free_tx_ring(priv);
}
}
-/*
- * Return statistics to the caller
- */
-static struct net_device_stats *meth_stats(struct net_device *dev)
-{
- struct meth_private *priv = (struct meth_private *) dev->priv;
- return &priv->stats;
-}
+static const struct net_device_ops meth_netdev_ops = {
+ .ndo_open = meth_open,
+ .ndo_stop = meth_release,
+ .ndo_start_xmit = meth_tx,
+ .ndo_do_ioctl = meth_ioctl,
+ .ndo_tx_timeout = meth_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+};
/*
* The init function.
*/
-static struct net_device *meth_init(void)
+static int __devinit 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);
-
- dev->open = meth_open;
- dev->stop = meth_release;
- dev->hard_start_xmit = meth_tx;
- dev->do_ioctl = meth_ioctl;
- dev->get_stats = meth_stats;
-#ifdef HAVE_TX_TIMEOUT
- dev->tx_timeout = meth_tx_timeout;
- dev->watchdog_timeo = timeout;
-#endif
- dev->irq = MACE_ETHERNET_IRQ;
- dev->base_addr = (unsigned long)&mace->eth;
+ return -ENOMEM;
+
+ dev->netdev_ops = &meth_netdev_ops;
+ dev->watchdog_timeo = timeout;
+ dev->irq = MACE_ETHERNET_IRQ;
+ dev->base_addr = (unsigned long)&mace->eth;
+ memcpy(dev->dev_addr, o2meth_eaddr, 6);
- 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 = __exit_p(meth_remove),
+ .driver = {
+ .name = "meth",
+ .owner = THIS_MODULE,
+ }
+};
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");
+MODULE_ALIAS("platform:meth");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff