* - Jay Schulist <jschlst@samba.org>
*
* With more than a little help from;
- * - Alan Cox <Alan.Cox@linux.org>
+ * - Alan Cox <alan@lxorguk.ukuu.org.uk>
*
* Derived from:
* - skeleton.c: A network driver outline for linux.
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/in.h>
-#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/atalk.h>
#include <linux/spinlock.h>
#include <linux/bitops.h>
+#include <linux/jiffies.h>
#include <asm/system.h>
#include <asm/io.h>
* DAYNA driver mode:
* Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95,
* Farallon PhoneNET PC III, Farallon PhoneNET PC II
- * Other cards possibly supported mode unkown though:
+ * Other cards possibly supported mode unknown though:
* Dayna DL2000 (Full length), COPS LT/M (Micro-Channel)
*
* Cards NOT supported by this driver but supported by the ltpc.c
struct cops_local
{
- struct net_device_stats stats;
int board; /* Holds what board type is. */
int nodeid; /* Set to 1 once have nodeid. */
unsigned char node_acquire; /* Node ID when acquired. */
static void cops_load (struct net_device *dev);
static int cops_nodeid (struct net_device *dev, int nodeid);
-static irqreturn_t cops_interrupt (int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t cops_interrupt (int irq, void *dev_id);
static void cops_poll (unsigned long ltdev);
static void cops_timeout(struct net_device *dev);
static void cops_rx (struct net_device *dev);
-static int cops_send_packet (struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t cops_send_packet (struct sk_buff *skb,
+ struct net_device *dev);
static void set_multicast_list (struct net_device *dev);
-static int cops_hard_header (struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len);
-
static int cops_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
static int cops_close (struct net_device *dev);
-static struct net_device_stats *cops_get_stats (struct net_device *dev);
static void cleanup_card(struct net_device *dev)
{
base_addr = dev->base_addr = io;
}
- SET_MODULE_OWNER(dev);
-
if (base_addr > 0x1ff) { /* Check a single specified location. */
err = cops_probe1(dev, base_addr);
} else if (base_addr != 0) { /* Don't probe at all. */
return ERR_PTR(err);
}
+static const struct net_device_ops cops_netdev_ops = {
+ .ndo_open = cops_open,
+ .ndo_stop = cops_close,
+ .ndo_start_xmit = cops_send_packet,
+ .ndo_tx_timeout = cops_timeout,
+ .ndo_do_ioctl = cops_ioctl,
+ .ndo_set_multicast_list = set_multicast_list,
+};
+
/*
* This is the real probe routine. Linux has a history of friendly device
* probes on the ISA bus. A good device probes avoids doing writes, and
/* Reserve any actual interrupt. */
if (dev->irq) {
- retval = request_irq(dev->irq, &cops_interrupt, 0, dev->name, dev);
+ retval = request_irq(dev->irq, cops_interrupt, 0, dev->name, dev);
if (retval)
goto err_out;
}
dev->base_addr = ioaddr;
lp = netdev_priv(dev);
- memset(lp, 0, sizeof(struct cops_local));
spin_lock_init(&lp->lock);
/* Copy local board variable to lp struct. */
lp->board = board;
- dev->hard_start_xmit = cops_send_packet;
- dev->tx_timeout = cops_timeout;
+ dev->netdev_ops = &cops_netdev_ops;
dev->watchdog_timeo = HZ * 2;
- dev->hard_header = cops_hard_header;
- dev->get_stats = cops_get_stats;
- dev->open = cops_open;
- dev->stop = cops_close;
- dev->do_ioctl = cops_ioctl;
- dev->set_multicast_list = set_multicast_list;
- dev->mc_list = NULL;
+
/* Tell the user where the card is and what mode we're in. */
if(board==DAYNA)
{
outb(0, ioaddr+DAYNA_RESET); /* Assert the reset port */
inb(ioaddr+DAYNA_RESET); /* Clear the reset */
- if(sleep)
- {
- long snap=jiffies;
-
- /* Let card finish initializing, about 1/3 second */
- while(jiffies-snap<HZ/3)
- schedule();
- }
- else
- mdelay(333);
+ if (sleep)
+ msleep(333);
+ else
+ mdelay(333);
}
+
netif_wake_queue(dev);
- return;
}
static void cops_load (struct net_device *dev)
tangent_wait_reset(ioaddr);
inb(ioaddr); /* Clear initial ready signal. */
}
-
- return;
}
/*
/* poll 20 times per second */
cops_timer.expires = jiffies + HZ/20;
add_timer(&cops_timer);
-
- return;
}
/*
* The typical workload of the driver:
* Handle the network interface interrupts.
*/
-static irqreturn_t cops_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t cops_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
struct cops_local *lp;
{
printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n",
dev->name);
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
while(pkt_len--) /* Discard packet */
inb(ioaddr);
spin_unlock_irqrestore(&lp->lock, flags);
{
printk(KERN_WARNING "%s: Bad packet length of %d bytes.\n",
dev->name, pkt_len);
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
dev_kfree_skb_any(skb);
return;
}
if(rsp_type != LAP_RESPONSE)
{
printk(KERN_WARNING "%s: Bad packet type %d.\n", dev->name, rsp_type);
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
dev_kfree_skb_any(skb);
return;
}
- skb->mac.raw = skb->data; /* Point to entire packet. */
+ skb_reset_mac_header(skb); /* Point to entire packet. */
skb_pull(skb,3);
- skb->h.raw = skb->data; /* Point to data (Skip header). */
+ skb_reset_transport_header(skb); /* Point to data (Skip header). */
/* Update the counters. */
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += skb->len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
/* Send packet to a higher place. */
netif_rx(skb);
- dev->last_rx = jiffies;
}
static void cops_timeout(struct net_device *dev)
struct cops_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if(lp->board==TANGENT)
{
if((inb(ioaddr+TANG_CARD_STATUS)&TANG_TX_READY)==0)
}
printk(KERN_WARNING "%s: Transmit timed out.\n", dev->name);
cops_jumpstart(dev); /* Restart the card. */
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
* Make the card transmit a LocalTalk packet.
*/
-static int cops_send_packet(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t cops_send_packet(struct sk_buff *skb,
+ struct net_device *dev)
{
struct cops_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
spin_unlock_irqrestore(&lp->lock, flags); /* Restore interrupts. */
/* Done sending packet, update counters and cleanup. */
- lp->stats.tx_packets++;
- lp->stats.tx_bytes += skb->len;
- dev->trans_start = jiffies;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
dev_kfree_skb (skb);
- return 0;
+ return NETDEV_TX_OK;
}
/*
}
/*
- * Another Dummy function to keep the Appletalk layer happy.
- */
-
-static int cops_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
-{
- if(cops_debug >= 3)
- printk("%s: cops_hard_header executed. Wow!\n", dev->name);
- return 0;
-}
-
-/*
* System ioctls for the COPS LocalTalk card.
*/
return 0;
}
-/*
- * Get the current statistics.
- * This may be called with the card open or closed.
- */
-static struct net_device_stats *cops_get_stats(struct net_device *dev)
-{
- struct cops_local *lp = netdev_priv(dev);
- return &lp->stats;
-}
#ifdef MODULE
static struct net_device *cops_dev;
module_param(irq, int, 0);
module_param(board_type, int, 0);
-int init_module(void)
+static int __init cops_module_init(void)
{
if (io == 0)
printk(KERN_WARNING "%s: You shouldn't autoprobe with insmod\n",
return 0;
}
-void cleanup_module(void)
+static void __exit cops_module_exit(void)
{
unregister_netdev(cops_dev);
cleanup_card(cops_dev);
free_netdev(cops_dev);
}
+module_init(cops_module_init);
+module_exit(cops_module_exit);
#endif /* MODULE */
-
-/*
- * Local variables:
- * compile-command: "gcc -DMODVERSIONS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O2 -c cops.c"
- * c-basic-offset: 4
- * c-file-offsets: ((substatement-open . 0))
- * End:
- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff