straight-forward Fujitsu MB86965 implementations.
Modification for Fujitsu FMV-18X cards is done by Yutaka Tamiya
- (tamy@flab.fujitsu.co.jp).
+ (tamy@flab.fujitsu.co.jp).
Sources:
The Fujitsu MB86965 datasheet.
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/skbuff.h>
-#include <linux/slab.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/crc32.h>
/* Information that need to be kept for each board. */
struct net_local {
- struct net_device_stats stats;
spinlock_t lock;
unsigned char mc_filter[8];
uint jumpered:1; /* Set iff the board has jumper config. */
static int at1700_probe1(struct net_device *dev, int ioaddr);
static int read_eeprom(long ioaddr, int location);
static int net_open(struct net_device *dev);
-static int net_send_packet(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t net_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static netdev_tx_t net_send_packet(struct sk_buff *skb,
+ struct net_device *dev);
+static irqreturn_t net_interrupt(int irq, void *dev_id);
static void net_rx(struct net_device *dev);
static int net_close(struct net_device *dev);
-static struct net_device_stats *net_get_stats(struct net_device *dev);
static void set_rx_mode(struct net_device *dev);
static void net_tx_timeout (struct net_device *dev);
-\f
+
#ifdef CONFIG_MCA_LEGACY
struct at1720_mca_adapters_struct {
char* name;
struct net_local *lp = netdev_priv(dev);
if (lp->mca_slot >= 0)
mca_mark_as_unused(lp->mca_slot);
-#endif
+#endif
free_irq(dev->irq, NULL);
release_region(dev->base_addr, AT1700_IO_EXTENT);
}
dev->irq = irq;
}
- SET_MODULE_OWNER(dev);
-
if (io > 0x1ff) { /* Check a single specified location. */
err = at1700_probe1(dev, io);
} else if (io != 0) { /* Don't probe at all. */
return ERR_PTR(err);
}
+static const struct net_device_ops at1700_netdev_ops = {
+ .ndo_open = net_open,
+ .ndo_stop = net_close,
+ .ndo_start_xmit = net_send_packet,
+ .ndo_set_multicast_list = set_rx_mode,
+ .ndo_tx_timeout = net_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* The Fujitsu datasheet suggests that the NIC be probed for by checking its
"signature", the default bit pattern after a reset. This *doesn't* work --
there is no way to reset the bus interface without a complete power-cycle!
for (j = 0; at1720_mca_adapters[j].name != NULL; j ++) {
slot = 0;
while (slot != MCA_NOTFOUND) {
-
+
slot = mca_find_unused_adapter( at1720_mca_adapters[j].id, slot );
if (slot == MCA_NOTFOUND) break;
pos3 = mca_read_stored_pos( slot, 3 );
pos4 = mca_read_stored_pos( slot, 4 );
- for (l_i = 0; l_i < 0x09; l_i++)
+ for (l_i = 0; l_i < 8; l_i++)
if (( pos3 & 0x07) == at1700_ioaddr_pattern[l_i])
break;
ioaddr = at1700_mca_probe_list[l_i];
-
+
for (irq = 0; irq < 0x10; irq++)
if (((((pos4>>4) & 0x0f) | (pos3 & 0xf0)) & 0xff) == at1700_irq_pattern[irq])
break;
}
dev->irq = irq;
-
+
/* claim the slot */
mca_set_adapter_name( slot, at1720_mca_adapters[j].name );
mca_mark_as_used(slot);
slot = -1;
/* We must check for the EEPROM-config boards first, else accessing
IOCONFIG0 will move the board! */
- if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr
- && read_eeprom(ioaddr, 4) == 0x0000
- && (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400)
+ if (at1700_probe_list[inb(ioaddr + IOCONFIG1) & 0x07] == ioaddr &&
+ read_eeprom(ioaddr, 4) == 0x0000 &&
+ (read_eeprom(ioaddr, 5) & 0xff00) == 0xF400)
is_at1700 = 1;
- else if (inb(ioaddr + SAPROM ) == 0x00
- && inb(ioaddr + SAPROM + 1) == 0x00
- && inb(ioaddr + SAPROM + 2) == 0x0e)
+ else if (inb(ioaddr + SAPROM ) == 0x00 &&
+ inb(ioaddr + SAPROM + 1) == 0x00 &&
+ inb(ioaddr + SAPROM + 2) == 0x0e)
is_fmv18x = 1;
else {
goto err_out;
}
-
+
#ifdef CONFIG_MCA_LEGACY
found:
#endif
if (is_at1700) {
for(i = 0; i < 3; i++) {
unsigned short eeprom_val = read_eeprom(ioaddr, 4+i);
- printk("%04x", eeprom_val);
((unsigned short *)dev->dev_addr)[i] = ntohs(eeprom_val);
}
} else {
for(i = 0; i < 6; i++) {
unsigned char val = inb(ioaddr + SAPROM + i);
- printk("%02x", val);
dev->dev_addr[i] = val;
}
}
+ printk("%pM", dev->dev_addr);
/* The EEPROM word 12 bit 0x0400 means use regular 100 ohm 10baseT signals,
rather than 150 ohm shielded twisted pair compensation.
if (net_debug)
printk(version);
- memset(lp, 0, sizeof(struct net_local));
-
- dev->open = net_open;
- dev->stop = net_close;
- dev->hard_start_xmit = net_send_packet;
- dev->get_stats = net_get_stats;
- dev->set_multicast_list = &set_rx_mode;
- dev->tx_timeout = net_tx_timeout;
+ dev->netdev_ops = &at1700_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
spin_lock_init(&lp->lock);
lp->jumpered = is_fmv18x;
lp->mca_slot = slot;
/* Snarf the interrupt vector now. */
- ret = request_irq(irq, &net_interrupt, 0, DRV_NAME, dev);
+ ret = request_irq(irq, net_interrupt, 0, DRV_NAME, dev);
if (ret) {
- printk (" AT1700 at %#3x is unusable due to a conflict on"
- "IRQ %d.\n", ioaddr, irq);
+ printk(KERN_ERR "AT1700 at %#3x is unusable due to a "
+ "conflict on IRQ %d.\n",
+ ioaddr, irq);
goto err_mca;
}
return ret;
}
-\f
+
/* EEPROM_Ctrl bits. */
#define EE_SHIFT_CLK 0x40 /* EEPROM shift clock, in reg. 16. */
#define EE_CS 0x20 /* EEPROM chip select, in reg. 16. */
return retval;
}
-\f
+
static int net_open(struct net_device *dev)
{
dev->name, inw(ioaddr + TX_STATUS), inw(ioaddr + TX_INTR), inw(ioaddr + TX_MODE),
inw(ioaddr + CONFIG_0), inw(ioaddr + DATAPORT), inw(ioaddr + TX_START),
inw(ioaddr + MODE13 - 1), inw(ioaddr + RX_CTRL));
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
/* ToDo: We should try to restart the adaptor... */
outw(0xffff, ioaddr + MODE24);
outw (0xffff, ioaddr + TX_STATUS);
outb (0x00, ioaddr + TX_START);
outb (0x03, ioaddr + COL16CNTL);
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
lp->tx_started = 0;
lp->tx_queue_ready = 1;
}
-static int net_send_packet (struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t net_send_packet (struct sk_buff *skb,
+ struct net_device *dev)
{
struct net_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
outb (0x80 | lp->tx_queue, ioaddr + TX_START);
lp->tx_queue = 0;
lp->tx_queue_len = 0;
- dev->trans_start = jiffies;
lp->tx_started = 1;
netif_start_queue (dev);
} else if (lp->tx_queue_len < 4096 - 1502)
netif_start_queue (dev);
dev_kfree_skb (skb);
- return 0;
+ return NETDEV_TX_OK;
}
-\f
+
/* The typical workload of the driver:
Handle the network interface interrupts. */
-static irqreturn_t
-net_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t net_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
struct net_local *lp;
ioaddr = dev->base_addr;
lp = netdev_priv(dev);
-
+
spin_lock (&lp->lock);
-
+
status = inw(ioaddr + TX_STATUS);
outw(status, ioaddr + TX_STATUS);
printk("%s: 16 Collision occur during Txing.\n", dev->name);
/* Cancel sending a packet. */
outb(0x03, ioaddr + COL16CNTL);
- lp->stats.collisions++;
+ dev->stats.collisions++;
}
if (status & 0x82) {
- lp->stats.tx_packets++;
+ dev->stats.tx_packets++;
/* The Tx queue has any packets and is not being
transferred a packet from the host, start
transmitting. */
static void
net_rx(struct net_device *dev)
{
- struct net_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
int boguscount = 5;
#endif
if ((status & 0xF0) != 0x20) { /* There was an error. */
- lp->stats.rx_errors++;
- if (status & 0x08) lp->stats.rx_length_errors++;
- if (status & 0x04) lp->stats.rx_frame_errors++;
- if (status & 0x02) lp->stats.rx_crc_errors++;
- if (status & 0x01) lp->stats.rx_over_errors++;
+ dev->stats.rx_errors++;
+ if (status & 0x08) dev->stats.rx_length_errors++;
+ if (status & 0x04) dev->stats.rx_frame_errors++;
+ if (status & 0x02) dev->stats.rx_crc_errors++;
+ if (status & 0x01) dev->stats.rx_over_errors++;
} else {
/* Malloc up new buffer. */
struct sk_buff *skb;
/* Prime the FIFO and then flush the packet. */
inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT);
outb(0x05, ioaddr + RX_CTRL);
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
break;
}
skb = dev_alloc_skb(pkt_len+3);
/* Prime the FIFO and then flush the packet. */
inw(ioaddr + DATAPORT); inw(ioaddr + DATAPORT);
outb(0x05, ioaddr + RX_CTRL);
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
break;
}
- skb->dev = dev;
skb_reserve(skb,2);
insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1);
skb->protocol=eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += pkt_len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pkt_len;
}
if (--boguscount <= 0)
break;
printk("%s: Exint Rx packet with mode %02x after %d ticks.\n",
dev->name, inb(ioaddr + RX_MODE), i);
}
- return;
}
/* The inverse routine to net_open(). */
return 0;
}
-/* Get the current statistics.
- This may be called with the card open or closed.
- There are no on-chip counters, so this function is trivial.
-*/
-static struct net_device_stats *
-net_get_stats(struct net_device *dev)
-{
- struct net_local *lp = netdev_priv(dev);
- return &lp->stats;
-}
-
/*
Set the multicast/promiscuous mode for this adaptor.
*/
struct net_local *lp = netdev_priv(dev);
unsigned char mc_filter[8]; /* Multicast hash filter */
unsigned long flags;
- int i;
if (dev->flags & IFF_PROMISC) {
memset(mc_filter, 0xff, sizeof(mc_filter));
outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
- } else if (dev->mc_count > MC_FILTERBREAK
- || (dev->flags & IFF_ALLMULTI)) {
+ } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
+ (dev->flags & IFF_ALLMULTI)) {
/* Too many to filter perfectly -- accept all multicasts. */
memset(mc_filter, 0xff, sizeof(mc_filter));
outb(2, ioaddr + RX_MODE); /* Use normal mode. */
- } else if (dev->mc_count == 0) {
+ } else if (netdev_mc_empty(dev)) {
memset(mc_filter, 0x00, sizeof(mc_filter));
outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
} else {
- struct dev_mc_list *mclist;
- int i;
+ struct netdev_hw_addr *ha;
memset(mc_filter, 0, sizeof(mc_filter));
- for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
- i++, mclist = mclist->next) {
+ netdev_for_each_mc_addr(ha, dev) {
unsigned int bit =
- ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 26;
+ ether_crc_le(ETH_ALEN, ha->addr) >> 26;
mc_filter[bit >> 3] |= (1 << bit);
}
outb(0x02, ioaddr + RX_MODE); /* Use normal mode. */
spin_lock_irqsave (&lp->lock, flags);
if (memcmp(mc_filter, lp->mc_filter, sizeof(mc_filter))) {
+ int i;
int saved_bank = inw(ioaddr + CONFIG_0);
/* Switch to bank 1 and set the multicast table. */
outw((saved_bank & ~0x0C00) | 0x0480, ioaddr + CONFIG_0);
outw(saved_bank, ioaddr + CONFIG_0);
}
spin_unlock_irqrestore (&lp->lock, flags);
- return;
}
#ifdef MODULE
MODULE_PARM_DESC(irq, "AT1700/FMV18X IRQ number");
MODULE_PARM_DESC(net_debug, "AT1700/FMV18X debug level (0-6)");
-int __init init_module(void)
+static int __init at1700_module_init(void)
{
if (io == 0)
printk("at1700: You should not use auto-probing with insmod!\n");
return 0;
}
-void
-cleanup_module(void)
+static void __exit at1700_module_exit(void)
{
unregister_netdev(dev_at1700);
cleanup_card(dev_at1700);
free_netdev(dev_at1700);
}
+module_init(at1700_module_init);
+module_exit(at1700_module_exit);
#endif /* MODULE */
MODULE_LICENSE("GPL");
-
-\f
-/*
- * Local variables:
- * compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c at1700.c"
- * alt-compile-command: "gcc -DMODVERSIONS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -c at1700.c"
- * tab-width: 4
- * c-basic-offset: 4
- * c-indent-level: 4
- * End:
- */
-
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