* [feel free to mail ....]
*
* when using as module: (no autoprobing!)
- * compile with:
- * gcc -O2 -fomit-frame-pointer -m486 -D__KERNEL__ -DMODULE -c ni52.c
* run with e.g:
* insmod ni52.o io=0x360 irq=9 memstart=0xd0000 memend=0xd4000
*
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/ioport.h>
-#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/init.h>
#define ni_disint() { outb(0, dev->base_addr + NI52_INTDIS); }
#define ni_enaint() { outb(0, dev->base_addr + NI52_INTENA); }
-#define make32(ptr16) (p->memtop + (short) (ptr16))
-#define make24(ptr32) ((unsigned long)(ptr32)) - p->base
-#define make16(ptr32) ((unsigned short) ((unsigned long)(ptr32)\
- - (unsigned long) p->memtop))
+#define make32(ptr16) ((void __iomem *)(p->memtop + (short) (ptr16)))
+#define make24(ptr32) ((char __iomem *)(ptr32)) - p->base
+#define make16(ptr32) ((unsigned short) ((char __iomem *)(ptr32)\
+ - p->memtop))
/******************* how to calculate the buffers *****************************
static irqreturn_t ni52_interrupt(int irq, void *dev_id);
static int ni52_open(struct net_device *dev);
static int ni52_close(struct net_device *dev);
-static int ni52_send_packet(struct sk_buff *, struct net_device *);
+static netdev_tx_t ni52_send_packet(struct sk_buff *, struct net_device *);
static struct net_device_stats *ni52_get_stats(struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
static void ni52_timeout(struct net_device *dev);
struct priv {
struct net_device_stats stats;
- unsigned long base;
+ char __iomem *base;
+ char __iomem *mapped;
char __iomem *memtop;
spinlock_t spinlock;
int reset;
/* wait for command with timeout: */
static void wait_for_scb_cmd(struct net_device *dev)
{
- struct priv *p = dev->priv;
+ struct priv *p = netdev_priv(dev);
int i;
for (i = 0; i < 16384; i++) {
if (readb(&p->scb->cmd_cuc) == 0)
static void wait_for_scb_cmd_ruc(struct net_device *dev)
{
- struct priv *p = dev->priv;
+ struct priv *p = netdev_priv(dev);
int i;
for (i = 0; i < 16384; i++) {
if (readb(&p->scb->cmd_ruc) == 0)
udelay(4);
if (i == 16383) {
printk(KERN_ERR "%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",
- dev->name, p->scb->cmd_ruc, p->scb->rus);
+ dev->name, readb(&p->scb->cmd_ruc),
+ readb(&p->scb->rus));
if (!p->reset) {
p->reset = 1;
ni_reset586();
startrecv586(dev);
ni_enaint();
- ret = request_irq(dev->irq, &ni52_interrupt, 0, dev->name, dev);
+ ret = request_irq(dev->irq, ni52_interrupt, 0, dev->name, dev);
if (ret) {
ni_reset586();
return ret;
return 0; /* most done by init */
}
+static int check_iscp(struct net_device *dev, void __iomem *addr)
+{
+ struct iscp_struct __iomem *iscp = addr;
+ struct priv *p = netdev_priv(dev);
+ memset_io(iscp, 0, sizeof(struct iscp_struct));
+
+ writel(make24(iscp), &p->scp->iscp);
+ writeb(1, &iscp->busy);
+
+ ni_reset586();
+ ni_attn586();
+ mdelay(32); /* wait a while... */
+ /* i82586 clears 'busy' after successful init */
+ if (readb(&iscp->busy))
+ return 0;
+ return 1;
+}
+
/**********************************************
* Check to see if there's an 82586 out there.
*/
static int check586(struct net_device *dev, unsigned size)
{
- unsigned long where = dev->mem_start;
- struct priv pb;
- struct priv *p = /* (struct priv *) dev->priv*/ &pb;
- char __iomem *iscp_addrs[2];
+ struct priv *p = netdev_priv(dev);
int i;
- p->base = (unsigned long) isa_bus_to_virt(where) + size - 0x01000000;
- p->memtop = (char __iomem *)isa_bus_to_virt(where) + size;
+ p->mapped = ioremap(dev->mem_start, size);
+ if (!p->mapped)
+ return 0;
+
+ p->base = p->mapped + size - 0x01000000;
+ p->memtop = p->mapped + size;
p->scp = (struct scp_struct __iomem *)(p->base + SCP_DEFAULT_ADDRESS);
+ p->scb = (struct scb_struct __iomem *) p->mapped;
+ p->iscp = (struct iscp_struct __iomem *)p->scp - 1;
memset_io(p->scp, 0, sizeof(struct scp_struct));
for (i = 0; i < sizeof(struct scp_struct); i++)
/* memory was writeable? */
if (readb((char __iomem *)p->scp + i))
- return 0;
+ goto Enodev;
writeb(SYSBUSVAL, &p->scp->sysbus); /* 1 = 8Bit-Bus, 0 = 16 Bit */
if (readb(&p->scp->sysbus) != SYSBUSVAL)
- return 0;
+ goto Enodev;
- iscp_addrs[0] = (char __iomem *)isa_bus_to_virt(where);
- iscp_addrs[1] = (char __iomem *)p->scp - sizeof(struct iscp_struct);
-
- for (i = 0; i < 2; i++) {
- p->iscp = (struct iscp_struct __iomem *) iscp_addrs[i];
- memset_io(p->iscp, 0, sizeof(struct iscp_struct));
-
- writel(make24(p->iscp), &p->scp->iscp);
- writeb(1, &p->iscp->busy);
-
- ni_reset586();
- ni_attn586();
- mdelay(32); /* wait a while... */
- /* i82586 clears 'busy' after successful init */
- if (readb(&p->iscp->busy))
- return 0;
- }
+ if (!check_iscp(dev, p->mapped))
+ goto Enodev;
+ if (!check_iscp(dev, p->iscp))
+ goto Enodev;
return 1;
+Enodev:
+ iounmap(p->mapped);
+ return 0;
}
/******************************************************************
*/
static void alloc586(struct net_device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
ni_reset586();
mdelay(32);
- spin_lock_init(&p->spinlock);
-
- p->scp = (struct scp_struct __iomem *) (p->base + SCP_DEFAULT_ADDRESS);
- p->scb = (struct scb_struct __iomem *) isa_bus_to_virt(dev->mem_start);
- p->iscp = (struct iscp_struct __iomem *)
- ((char __iomem *)p->scp - sizeof(struct iscp_struct));
-
memset_io(p->iscp, 0, sizeof(struct iscp_struct));
memset_io(p->scp , 0, sizeof(struct scp_struct));
{
struct net_device *dev = alloc_etherdev(sizeof(struct priv));
static int ports[] = {0x300, 0x280, 0x360 , 0x320 , 0x340, 0};
+ struct priv *p;
int *port;
int err = 0;
if (!dev)
return ERR_PTR(-ENOMEM);
+ p = netdev_priv(dev);
+
if (unit >= 0) {
sprintf(dev->name, "eth%d", unit);
netdev_boot_setup_check(dev);
goto out1;
return dev;
out1:
+ iounmap(p->mapped);
release_region(dev->base_addr, NI52_TOTAL_SIZE);
out:
free_netdev(dev);
return ERR_PTR(err);
}
+static const struct net_device_ops ni52_netdev_ops = {
+ .ndo_open = ni52_open,
+ .ndo_stop = ni52_close,
+ .ndo_get_stats = ni52_get_stats,
+ .ndo_tx_timeout = ni52_timeout,
+ .ndo_start_xmit = ni52_send_packet,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init ni52_probe1(struct net_device *dev, int ioaddr)
{
int i, size, retval;
+ struct priv *priv = netdev_priv(dev);
dev->base_addr = ioaddr;
dev->irq = irq;
dev->mem_start = memstart;
dev->mem_end = memend;
+ spin_lock_init(&priv->spinlock);
+
if (!request_region(ioaddr, NI52_TOTAL_SIZE, DRV_NAME))
return -EBUSY;
for (i = 0; i < ETH_ALEN; i++)
dev->dev_addr[i] = inb(dev->base_addr+i);
- if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1
- || dev->dev_addr[2] != NI52_ADDR2) {
+ if (dev->dev_addr[0] != NI52_ADDR0 || dev->dev_addr[1] != NI52_ADDR1 ||
+ dev->dev_addr[2] != NI52_ADDR2) {
retval = -ENODEV;
goto out;
}
dev->mem_end = dev->mem_start + size;
#endif
- memset((char *)dev->priv, 0, sizeof(struct priv));
-
- ((struct priv *)(dev->priv))->memtop =
- (char __iomem *)isa_bus_to_virt(dev->mem_start) + size;
- ((struct priv *)(dev->priv))->base = (unsigned long)
- isa_bus_to_virt(dev->mem_start) + size - 0x01000000;
alloc586(dev);
/* set number of receive-buffs according to memsize */
if (size == 0x2000)
- ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_8;
+ priv->num_recv_buffs = NUM_RECV_BUFFS_8;
else
- ((struct priv *) dev->priv)->num_recv_buffs = NUM_RECV_BUFFS_16;
+ priv->num_recv_buffs = NUM_RECV_BUFFS_16;
printk(KERN_DEBUG "Memaddr: 0x%lx, Memsize: %d, ",
dev->mem_start, size);
if (!dev->irq) {
printk("?autoirq, Failed to detect IRQ line!\n");
retval = -EAGAIN;
+ iounmap(priv->mapped);
goto out;
}
printk("IRQ %d (autodetected).\n", dev->irq);
printk("IRQ %d (assigned and not checked!).\n", dev->irq);
}
- dev->open = ni52_open;
- dev->stop = ni52_close;
- dev->get_stats = ni52_get_stats;
- dev->tx_timeout = ni52_timeout;
+ dev->netdev_ops = &ni52_netdev_ops;
dev->watchdog_timeo = HZ/20;
- dev->hard_start_xmit = ni52_send_packet;
- dev->set_multicast_list = set_multicast_list;
-
- dev->if_port = 0;
return 0;
out:
{
void __iomem *ptr;
int i, result = 0;
- struct priv *p = (struct priv *)dev->priv;
+ struct priv *p = netdev_priv(dev);
struct configure_cmd_struct __iomem *cfg_cmd;
struct iasetup_cmd_struct __iomem *ias_cmd;
struct tdr_cmd_struct __iomem *tdr_cmd;
struct mcsetup_cmd_struct __iomem *mc_cmd;
- struct dev_mc_list *dmi = dev->mc_list;
- int num_addrs = dev->mc_count;
+ struct netdev_hw_addr *ha;
+ int num_addrs = netdev_mc_count(dev);
ptr = p->scb + 1;
/* addr_len |!src_insert |pre-len |loopback */
writeb(0x2e, &cfg_cmd->adr_len);
writeb(0x00, &cfg_cmd->priority);
- writeb(0x60, &cfg_cmd->ifs);;
+ writeb(0x60, &cfg_cmd->ifs);
writeb(0x00, &cfg_cmd->time_low);
writeb(0xf2, &cfg_cmd->time_high);
- writeb(0x00, &cfg_cmd->promisc);;
+ writeb(0x00, &cfg_cmd->promisc);
if (dev->flags & IFF_ALLMULTI) {
int len = ((char __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6;
if (num_addrs > len) {
printk(KERN_ERR "%s: switching to promisc. mode\n",
dev->name);
- dev->flags |= IFF_PROMISC;
+ writeb(0x01, &cfg_cmd->promisc);
}
}
if (dev->flags & IFF_PROMISC)
writeb(0x01, &cfg_cmd->promisc);
writeb(0x00, &cfg_cmd->carr_coll);
writew(make16(cfg_cmd), &p->scb->cbl_offset);
- writew(0, &p->scb->cmd_ruc);
+ writeb(0, &p->scb->cmd_ruc);
writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
ni_attn586();
writew(0xffff, &mc_cmd->cmd_link);
writew(num_addrs * 6, &mc_cmd->mc_cnt);
- for (i = 0; i < num_addrs; i++, dmi = dmi->next)
- memcpy_toio(mc_cmd->mc_list[i],
- dmi->dmi_addr, 6);
+ i = 0;
+ netdev_for_each_mc_addr(ha, dev)
+ memcpy_toio(mc_cmd->mc_list[i++], ha->addr, 6);
writew(make16(mc_cmd), &p->scb->cbl_offset);
writeb(CUC_START, &p->scb->cmd_cuc);
struct rfd_struct __iomem *rfd = ptr;
struct rbd_struct __iomem *rbd;
int i;
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
memset_io(rfd, 0,
sizeof(struct rfd_struct) * (p->num_recv_buffs + rfdadd));
int cnt = 0;
struct priv *p;
- p = (struct priv *) dev->priv;
+ p = netdev_priv(dev);
if (debuglevel > 1)
printk("I");
if (readb(&p->scb->rus) & RU_SUSPEND) {
/* special case: RU_SUSPEND */
wait_for_scb_cmd(dev);
- p->scb->cmd_ruc = RUC_RESUME;
+ writeb(RUC_RESUME, &p->scb->cmd_ruc);
ni_attn586();
wait_for_scb_cmd_ruc(dev);
} else {
/* Wait for ack. (ni52_xmt_int can be faster than ack!!) */
wait_for_scb_cmd(dev);
- if (p->scb->cmd_cuc) { /* timed out? */
+ if (readb(&p->scb->cmd_cuc)) { /* timed out? */
printk(KERN_ERR "%s: Acknowledge timed out.\n",
dev->name);
ni_disint();
unsigned short totlen;
struct sk_buff *skb;
struct rbd_struct __iomem *rbd;
- struct priv *p = (struct priv *)dev->priv;
+ struct priv *p = netdev_priv(dev);
if (debuglevel > 0)
printk("R");
for (; (status = readb(&p->rfd_top->stat_high)) & RFD_COMPL;) {
- rbd = (struct rbd_struct __iomem *) make32(p->rfd_top->rbd_offset);
+ rbd = make32(readw(&p->rfd_top->rbd_offset));
if (status & RFD_OK) { /* frame received without error? */
totlen = readw(&rbd->status);
if (totlen & RBD_LAST) {
if (skb != NULL) {
skb_reserve(skb, 2);
skb_put(skb, totlen);
- skb_copy_to_linear_data(skb, (char *)p->base + (unsigned long) rbd->buffer, totlen);
+ memcpy_fromio(skb->data, p->base + readl(&rbd->buffer), totlen);
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
p->stats.rx_packets++;
p->stats.rx_bytes += totlen;
} else
break;
}
writew(0, &rbd->status);
- rbd = (struct rbd_struct __iomem *) make32(readl(&rbd->next));
+ rbd = make32(readw(&rbd->next));
}
totlen += rstat & RBD_MASK;
writew(0, &rbd->status);
writew(0xffff, &p->rfd_top->rbd_offset);
writeb(0, &p->rfd_last->last); /* delete RFD_SUSP */
p->rfd_last = p->rfd_top;
- p->rfd_top = (struct rfd_struct __iomem *) make32(p->rfd_top->next); /* step to next RFD */
+ p->rfd_top = make32(readw(&p->rfd_top->next)); /* step to next RFD */
writew(make16(p->rfd_top), &p->scb->rfa_offset);
if (debuglevel > 0)
static void ni52_rnr_int(struct net_device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
p->stats.rx_errors++;
/* maybe add a check here, before restarting the RU */
startrecv586(dev); /* restart RU */
- printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n", dev->name, p->scb->rus);
+ printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n",
+ dev->name, readb(&p->scb->rus));
}
static void ni52_xmt_int(struct net_device *dev)
{
int status;
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
if (debuglevel > 0)
printk("X");
static void startrecv586(struct net_device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
wait_for_scb_cmd(dev);
wait_for_scb_cmd_ruc(dev);
static void ni52_timeout(struct net_device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
#ifndef NO_NOPCOMMANDS
if (readb(&p->scb->cus) & CU_ACTIVE) { /* COMMAND-UNIT active? */
netif_wake_queue(dev);
writeb(CUC_START, &p->scb->cmd_cuc);
ni_attn586();
wait_for_scb_cmd(dev);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
return 0;
}
#endif
ni52_close(dev);
ni52_open(dev);
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
}
/******************************************************
* send frame
*/
-static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t ni52_send_packet(struct sk_buff *skb,
+ struct net_device *dev)
{
int len, i;
#ifndef NO_NOPCOMMANDS
int next_nop;
#endif
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
if (skb->len > XMIT_BUFF_SIZE) {
printk(KERN_ERR "%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n", dev->name, XMIT_BUFF_SIZE, skb->len);
- return 0;
+ return NETDEV_TX_OK;
}
netif_stop_queue(dev);
- skb_copy_from_linear_data(skb, (char *)p->xmit_cbuffs[p->xmit_count],
- skb->len);
+ memcpy_toio(p->xmit_cbuffs[p->xmit_count], skb->data, skb->len);
len = skb->len;
if (len < ETH_ZLEN) {
len = ETH_ZLEN;
- memset((char *)p->xmit_cbuffs[p->xmit_count]+skb->len, 0,
+ memset_io(p->xmit_cbuffs[p->xmit_count]+skb->len, 0,
len - skb->len);
}
# ifdef NO_NOPCOMMANDS
#ifdef DEBUG
- if (p->scb->cus & CU_ACTIVE) {
+ if (readb(&p->scb->cus) & CU_ACTIVE) {
printk(KERN_ERR "%s: Hmmm .. CU is still running and we wanna send a new packet.\n", dev->name);
printk(KERN_ERR "%s: stat: %04x %04x\n",
dev->name, readb(&p->scb->cus),
readw(&p->xmit_cmds[0]->cmd_status));
}
#endif
- writew(TBD_LAST | len, &p->xmit_buffs[0]->size);;
+ writew(TBD_LAST | len, &p->xmit_buffs[0]->size);
for (i = 0; i < 16; i++) {
writew(0, &p->xmit_cmds[0]->cmd_status);
wait_for_scb_cmd(dev);
writeb(CUC_START, &p->scb->cmd_cuc);
}
ni_attn586();
- dev->trans_start = jiffies;
if (!i)
dev_kfree_skb(skb);
wait_for_scb_cmd(dev);
writew(0, &p->nop_cmds[next_nop]->cmd_status);
writew(make16(p->xmit_cmds[0]), &p->nop_cmds[p->nop_point]->cmd_link);
- dev->trans_start = jiffies;
p->nop_point = next_nop;
dev_kfree_skb(skb);
# endif
writew(0, &p->nop_cmds[next_nop]->cmd_status);
writew(make16(p->xmit_cmds[p->xmit_count]),
&p->nop_cmds[p->xmit_count]->cmd_link);
- dev->trans_start = jiffies;
p->xmit_count = next_nop;
{
unsigned long flags;
}
dev_kfree_skb(skb);
#endif
- return 0;
+ return NETDEV_TX_OK;
}
/*******************************************
static struct net_device_stats *ni52_get_stats(struct net_device *dev)
{
- struct priv *p = (struct priv *) dev->priv;
+ struct priv *p = netdev_priv(dev);
unsigned short crc, aln, rsc, ovrn;
/* Get error-statistics from the ni82586 */
void __exit cleanup_module(void)
{
+ struct priv *p = netdev_priv(dev_ni52);
unregister_netdev(dev_ni52);
+ iounmap(p->mapped);
release_region(dev_ni52->base_addr, NI52_TOTAL_SIZE);
free_netdev(dev_ni52);
}
#endif /* MODULE */
MODULE_LICENSE("GPL");
-
-/*
- * END: linux/drivers/net/ni52.c
- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff