* Copyright (C) 1996 Paul Mackerras.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/init.h>
#include <linux/crc32.h>
#include <linux/spinlock.h>
+#include <linux/bitrev.h>
#include <asm/prom.h>
#include <asm/dbdma.h>
#include <asm/io.h>
unsigned char tx_fullup;
unsigned char tx_active;
unsigned char tx_bad_runt;
- struct net_device_stats stats;
struct timer_list tx_timeout;
int timeout_active;
int port_aaui;
#define PRIV_BYTES (sizeof(struct mace_data) \
+ (N_RX_RING + NCMDS_TX * N_TX_RING + 3) * sizeof(struct dbdma_cmd))
-static int bitrev(int);
static int mace_open(struct net_device *dev);
static int mace_close(struct net_device *dev);
static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
-static struct net_device_stats *mace_stats(struct net_device *dev);
static void mace_set_multicast(struct net_device *dev);
static void mace_reset(struct net_device *dev);
static int mace_set_address(struct net_device *dev, void *addr);
-static irqreturn_t mace_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-static irqreturn_t mace_txdma_intr(int irq, void *dev_id, struct pt_regs *regs);
-static irqreturn_t mace_rxdma_intr(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t mace_interrupt(int irq, void *dev_id);
+static irqreturn_t mace_txdma_intr(int irq, void *dev_id);
+static irqreturn_t mace_rxdma_intr(int irq, void *dev_id);
static void mace_set_timeout(struct net_device *dev);
static void mace_tx_timeout(unsigned long data);
static inline void dbdma_reset(volatile struct dbdma_regs __iomem *dma);
*/
static unsigned char *dummy_buf;
-/* Bit-reverse one byte of an ethernet hardware address. */
-static inline int
-bitrev(int b)
-{
- int d = 0, i;
-
- for (i = 0; i < 8; ++i, b >>= 1)
- d = (d << 1) | (b & 1);
- return d;
-}
-
-
static int __devinit mace_probe(struct macio_dev *mdev, const struct of_device_id *match)
{
struct device_node *mace = macio_get_of_node(mdev);
struct net_device *dev;
struct mace_data *mp;
- unsigned char *addr;
+ const unsigned char *addr;
int j, rev, rc = -EBUSY;
if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
return -ENODEV;
}
- addr = get_property(mace, "mac-address", NULL);
+ addr = of_get_property(mace, "mac-address", NULL);
if (addr == NULL) {
- addr = get_property(mace, "local-mac-address", NULL);
+ addr = of_get_property(mace, "local-mac-address", NULL);
if (addr == NULL) {
printk(KERN_ERR "Can't get mac-address for MACE %s\n",
mace->full_name);
rc = -ENOMEM;
goto err_release;
}
- SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &mdev->ofdev.dev);
- mp = dev->priv;
+ mp = netdev_priv(dev);
mp->mdev = mdev;
macio_set_drvdata(mdev, dev);
rev = addr[0] == 0 && addr[1] == 0xA0;
for (j = 0; j < 6; ++j) {
- dev->dev_addr[j] = rev? bitrev(addr[j]): addr[j];
+ dev->dev_addr[j] = rev ? bitrev8(addr[j]): addr[j];
}
mp->chipid = (in_8(&mp->mace->chipid_hi) << 8) |
in_8(&mp->mace->chipid_lo);
-
- mp = (struct mace_data *) dev->priv;
+
+ mp = netdev_priv(dev);
mp->maccc = ENXMT | ENRCV;
mp->tx_dma = ioremap(macio_resource_start(mdev, 1), 0x1000);
mp->tx_cmds = (volatile struct dbdma_cmd *) DBDMA_ALIGN(mp + 1);
mp->rx_cmds = mp->tx_cmds + NCMDS_TX * N_TX_RING + 1;
- memset(&mp->stats, 0, sizeof(mp->stats));
memset((char *) mp->tx_cmds, 0,
(NCMDS_TX*N_TX_RING + N_RX_RING + 2) * sizeof(struct dbdma_cmd));
init_timer(&mp->tx_timeout);
mp->port_aaui = 1;
#else
mp->port_aaui = 0;
-#endif
+#endif
}
}
dev->open = mace_open;
dev->stop = mace_close;
dev->hard_start_xmit = mace_xmit_start;
- dev->get_stats = mace_stats;
dev->set_multicast_list = mace_set_multicast;
dev->set_mac_address = mace_set_address;
}
rc = request_irq(mp->tx_dma_intr, mace_txdma_intr, 0, "MACE-txdma", dev);
if (rc) {
- printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[1].line);
+ printk(KERN_ERR "MACE: can't get irq %d\n", mp->tx_dma_intr);
goto err_free_irq;
}
rc = request_irq(mp->rx_dma_intr, mace_rxdma_intr, 0, "MACE-rxdma", dev);
if (rc) {
- printk(KERN_ERR "MACE: can't get irq %d\n", mace->intrs[2].line);
+ printk(KERN_ERR "MACE: can't get irq %d\n", mp->rx_dma_intr);
goto err_free_tx_irq;
}
goto err_free_rx_irq;
}
- printk(KERN_INFO "%s: MACE at", dev->name);
- for (j = 0; j < 6; ++j) {
- printk("%c%.2x", (j? ':': ' '), dev->dev_addr[j]);
- }
- printk(", chip revision %d.%d\n", mp->chipid >> 8, mp->chipid & 0xff);
+ printk(KERN_INFO "%s: MACE at %pM, chip revision %d.%d\n",
+ dev->name, dev->dev_addr,
+ mp->chipid >> 8, mp->chipid & 0xff);
return 0;
-
+
err_free_rx_irq:
free_irq(macio_irq(mdev, 2), dev);
err_free_tx_irq:
macio_set_drvdata(mdev, NULL);
- mp = dev->priv;
+ mp = netdev_priv(dev);
unregister_netdev(dev);
static void mace_reset(struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
int i;
static void __mace_set_address(struct net_device *dev, void *addr)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
unsigned char *p = addr;
int i;
static int mace_set_address(struct net_device *dev, void *addr)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
unsigned long flags;
/* free some skb's */
for (i = 0; i < N_RX_RING; ++i) {
- if (mp->rx_bufs[i] != 0) {
+ if (mp->rx_bufs[i] != NULL) {
dev_kfree_skb(mp->rx_bufs[i]);
mp->rx_bufs[i] = NULL;
}
static int mace_open(struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
cp = mp->rx_cmds;
for (i = 0; i < N_RX_RING - 1; ++i) {
skb = dev_alloc_skb(RX_BUFLEN + 2);
- if (skb == 0) {
+ if (!skb) {
data = dummy_buf;
} else {
skb_reserve(skb, 2); /* so IP header lands on 4-byte bdry */
static int mace_close(struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
static inline void mace_set_timeout(struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
if (mp->timeout_active)
del_timer(&mp->tx_timeout);
static int mace_xmit_start(struct sk_buff *skb, struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
volatile struct dbdma_cmd *cp, *np;
unsigned long flags;
return 0;
}
-static struct net_device_stats *mace_stats(struct net_device *dev)
-{
- struct mace_data *p = (struct mace_data *) dev->priv;
-
- return &p->stats;
-}
-
static void mace_set_multicast(struct net_device *dev)
{
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
int i, j;
u32 crc;
spin_unlock_irqrestore(&mp->lock, flags);
}
-static void mace_handle_misc_intrs(struct mace_data *mp, int intr)
+static void mace_handle_misc_intrs(struct mace_data *mp, int intr, struct net_device *dev)
{
volatile struct mace __iomem *mb = mp->mace;
static int mace_babbles, mace_jabbers;
if (intr & MPCO)
- mp->stats.rx_missed_errors += 256;
- mp->stats.rx_missed_errors += in_8(&mb->mpc); /* reading clears it */
+ dev->stats.rx_missed_errors += 256;
+ dev->stats.rx_missed_errors += in_8(&mb->mpc); /* reading clears it */
if (intr & RNTPCO)
- mp->stats.rx_length_errors += 256;
- mp->stats.rx_length_errors += in_8(&mb->rntpc); /* reading clears it */
+ dev->stats.rx_length_errors += 256;
+ dev->stats.rx_length_errors += in_8(&mb->rntpc); /* reading clears it */
if (intr & CERR)
- ++mp->stats.tx_heartbeat_errors;
+ ++dev->stats.tx_heartbeat_errors;
if (intr & BABBLE)
if (mace_babbles++ < 4)
printk(KERN_DEBUG "mace: babbling transmitter\n");
printk(KERN_DEBUG "mace: jabbering transceiver\n");
}
-static irqreturn_t mace_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mace_interrupt(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
volatile struct dbdma_cmd *cp;
spin_lock_irqsave(&mp->lock, flags);
intr = in_8(&mb->ir); /* read interrupt register */
in_8(&mb->xmtrc); /* get retries */
- mace_handle_misc_intrs(mp, intr);
+ mace_handle_misc_intrs(mp, intr, dev);
i = mp->tx_empty;
while (in_8(&mb->pr) & XMTSV) {
*/
intr = in_8(&mb->ir);
if (intr != 0)
- mace_handle_misc_intrs(mp, intr);
+ mace_handle_misc_intrs(mp, intr, dev);
if (mp->tx_bad_runt) {
fs = in_8(&mb->xmtfs);
mp->tx_bad_runt = 0;
}
/* Update stats */
if (fs & (UFLO|LCOL|LCAR|RTRY)) {
- ++mp->stats.tx_errors;
+ ++dev->stats.tx_errors;
if (fs & LCAR)
- ++mp->stats.tx_carrier_errors;
+ ++dev->stats.tx_carrier_errors;
if (fs & (UFLO|LCOL|RTRY))
- ++mp->stats.tx_aborted_errors;
+ ++dev->stats.tx_aborted_errors;
} else {
- mp->stats.tx_bytes += mp->tx_bufs[i]->len;
- ++mp->stats.tx_packets;
+ dev->stats.tx_bytes += mp->tx_bufs[i]->len;
+ ++dev->stats.tx_packets;
}
dev_kfree_skb_irq(mp->tx_bufs[i]);
--mp->tx_active;
static void mace_tx_timeout(unsigned long data)
{
struct net_device *dev = (struct net_device *) data;
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct mace __iomem *mb = mp->mace;
volatile struct dbdma_regs __iomem *td = mp->tx_dma;
volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
goto out;
/* update various counters */
- mace_handle_misc_intrs(mp, in_8(&mb->ir));
+ mace_handle_misc_intrs(mp, in_8(&mb->ir), dev);
cp = mp->tx_cmds + NCMDS_TX * mp->tx_empty;
/* fix up the transmit side */
i = mp->tx_empty;
mp->tx_active = 0;
- ++mp->stats.tx_errors;
+ ++dev->stats.tx_errors;
if (mp->tx_bad_runt) {
mp->tx_bad_runt = 0;
} else if (i != mp->tx_fill) {
spin_unlock_irqrestore(&mp->lock, flags);
}
-static irqreturn_t mace_txdma_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mace_txdma_intr(int irq, void *dev_id)
{
return IRQ_HANDLED;
}
-static irqreturn_t mace_rxdma_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t mace_rxdma_intr(int irq, void *dev_id)
{
struct net_device *dev = (struct net_device *) dev_id;
- struct mace_data *mp = (struct mace_data *) dev->priv;
+ struct mace_data *mp = netdev_priv(dev);
volatile struct dbdma_regs __iomem *rd = mp->rx_dma;
volatile struct dbdma_cmd *cp, *np;
int i, nb, stat, next;
out_le16(&cp->command, DBDMA_STOP);
/* got a packet, have a look at it */
skb = mp->rx_bufs[i];
- if (skb == 0) {
- ++mp->stats.rx_dropped;
+ if (!skb) {
+ ++dev->stats.rx_dropped;
} else if (nb > 8) {
data = skb->data;
frame_status = (data[nb-3] << 8) + data[nb-4];
if (frame_status & (RS_OFLO|RS_CLSN|RS_FRAMERR|RS_FCSERR)) {
- ++mp->stats.rx_errors;
+ ++dev->stats.rx_errors;
if (frame_status & RS_OFLO)
- ++mp->stats.rx_over_errors;
+ ++dev->stats.rx_over_errors;
if (frame_status & RS_FRAMERR)
- ++mp->stats.rx_frame_errors;
+ ++dev->stats.rx_frame_errors;
if (frame_status & RS_FCSERR)
- ++mp->stats.rx_crc_errors;
+ ++dev->stats.rx_crc_errors;
} else {
/* Mace feature AUTO_STRIP_RCV is on by default, dropping the
* FCS on frames with 802.3 headers. This means that Ethernet
else /* Ethernet header; mace includes FCS */
nb -= 8;
skb_put(skb, nb);
- skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
- mp->stats.rx_bytes += skb->len;
+ dev->stats.rx_bytes += skb->len;
netif_rx(skb);
- dev->last_rx = jiffies;
mp->rx_bufs[i] = NULL;
- ++mp->stats.rx_packets;
+ ++dev->stats.rx_packets;
}
} else {
- ++mp->stats.rx_errors;
- ++mp->stats.rx_length_errors;
+ ++dev->stats.rx_errors;
+ ++dev->stats.rx_length_errors;
}
/* advance to next */
break;
cp = mp->rx_cmds + i;
skb = mp->rx_bufs[i];
- if (skb == 0) {
+ if (!skb) {
skb = dev_alloc_skb(RX_BUFLEN + 2);
- if (skb != 0) {
+ if (skb) {
skb_reserve(skb, 2);
mp->rx_bufs[i] = skb;
}
return IRQ_HANDLED;
}
-static struct of_device_id mace_match[] =
+static struct of_device_id mace_match[] =
{
{
.name = "mace",
},
{},
};
+MODULE_DEVICE_TABLE (of, mace_match);
-static struct macio_driver mace_driver =
+static struct macio_driver mace_driver =
{
.name = "mace",
.match_table = mace_match,
{
macio_unregister_driver(&mace_driver);
- if (dummy_buf) {
- kfree(dummy_buf);
- dummy_buf = NULL;
- }
+ kfree(dummy_buf);
+ dummy_buf = NULL;
}
MODULE_AUTHOR("Paul Mackerras");
MODULE_DESCRIPTION("PowerMac MACE driver.");
-MODULE_PARM(port_aaui, "i");
+module_param(port_aaui, int, 0);
MODULE_PARM_DESC(port_aaui, "MACE uses AAUI port (0-1)");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff