/*****************************************************************************/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/net.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/bitops.h>
+#include <linux/random.h>
#include <asm/io.h>
#include <asm/system.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <net/net_namespace.h>
#include <asm/uaccess.h>
#include <linux/init.h>
/* --------------------------------------------------------------------- */
static const char yam_drvname[] = "yam";
-static char yam_drvinfo[] __initdata = KERN_INFO "YAM driver version 0.8 by F1OAT/F6FBB\n";
+static const char yam_drvinfo[] __initdata = KERN_INFO \
+ "YAM driver version 0.8 by F1OAT/F6FBB\n";
/* --------------------------------------------------------------------- */
struct net_device *dev;
- /* Stats section */
-
- struct net_device_stats stats;
-
int nb_rxint;
int nb_mdint;
static struct yam_mcs *yam_data;
-static char ax25_bcast[7] =
-{'Q' << 1, 'S' << 1, 'T' << 1, ' ' << 1, ' ' << 1, ' ' << 1, '0' << 1};
-static char ax25_test[7] =
-{'L' << 1, 'I' << 1, 'N' << 1, 'U' << 1, 'X' << 1, ' ' << 1, '1' << 1};
-
static DEFINE_TIMER(yam_timer, NULL, 0, 0);
/* --------------------------------------------------------------------- */
} else {
if (!(skb = dev_alloc_skb(pkt_len))) {
printk(KERN_WARNING "%s: memory squeeze, dropping packet\n", dev->name);
- ++yp->stats.rx_dropped;
+ ++dev->stats.rx_dropped;
} else {
unsigned char *cp;
cp = skb_put(skb, pkt_len);
memcpy(cp, yp->rx_buf, pkt_len - 1);
skb->protocol = ax25_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
- ++yp->stats.rx_packets;
+ ++dev->stats.rx_packets;
}
}
}
ptt_on(dev);
}
-static unsigned short random_seed;
-
-static inline unsigned short random_num(void)
-{
- random_seed = 28629 * random_seed + 157;
- return random_seed;
-}
-
static void yam_arbitrate(struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
yp->slotcnt = yp->slot / 10;
/* is random > persist ? */
- if ((random_num() % 256) > yp->pers)
+ if ((random32() % 256) > yp->pers)
return;
yam_start_tx(dev, yp);
dev_kfree_skb_any(skb);
break;
}
- memcpy(yp->tx_buf, skb->data + 1, yp->tx_len);
+ skb_copy_from_linear_data_offset(skb, 1,
+ yp->tx_buf,
+ yp->tx_len);
dev_kfree_skb_any(skb);
yp->tx_count = 0;
yp->tx_crcl = 0x21;
yp->tx_count = 1;
yp->tx_state = TX_HEAD;
}
- ++yp->stats.tx_packets;
+ ++dev->stats.tx_packets;
break;
case TX_TAIL:
if (--yp->tx_count <= 0) {
* ISR routine
************************************************************************************/
-static irqreturn_t yam_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t yam_interrupt(int irq, void *dev_id)
{
struct net_device *dev;
struct yam_port *yp;
handled = 1;
if (lsr & LSR_OE)
- ++yp->stats.rx_fifo_errors;
+ ++dev->stats.rx_fifo_errors;
yp->dcd = (msr & RX_DCD) ? 1 : 0;
seq_printf(seq, " TxTail %u\n", yp->txtail);
seq_printf(seq, " SlotTime %u\n", yp->slot);
seq_printf(seq, " Persist %u\n", yp->pers);
- seq_printf(seq, " TxFrames %lu\n", yp->stats.tx_packets);
- seq_printf(seq, " RxFrames %lu\n", yp->stats.rx_packets);
+ seq_printf(seq, " TxFrames %lu\n", dev->stats.tx_packets);
+ seq_printf(seq, " RxFrames %lu\n", dev->stats.rx_packets);
seq_printf(seq, " TxInt %u\n", yp->nb_mdint);
seq_printf(seq, " RxInt %u\n", yp->nb_rxint);
- seq_printf(seq, " RxOver %lu\n", yp->stats.rx_fifo_errors);
+ seq_printf(seq, " RxOver %lu\n", dev->stats.rx_fifo_errors);
seq_printf(seq, "\n");
return 0;
}
-static struct seq_operations yam_seqops = {
+static const struct seq_operations yam_seqops = {
.start = yam_seq_start,
.next = yam_seq_next,
.stop = yam_seq_stop,
return seq_open(file, &yam_seqops);
}
-static struct file_operations yam_info_fops = {
+static const struct file_operations yam_info_fops = {
.owner = THIS_MODULE,
.open = yam_info_open,
.read = seq_read,
/* --------------------------------------------------------------------- */
-static struct net_device_stats *yam_get_stats(struct net_device *dev)
-{
- struct yam_port *yp;
-
- if (!dev)
- return NULL;
-
- yp = netdev_priv(dev);
- if (yp->magic != YAM_MAGIC)
- return NULL;
-
- /*
- * Get the current statistics. This may be called with the
- * card open or closed.
- */
- return &yp->stats;
-}
-
-/* --------------------------------------------------------------------- */
-
static int yam_open(struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
goto out_release_base;
}
outb(0, IER(dev->base_addr));
- if (request_irq(dev->irq, yam_interrupt, SA_INTERRUPT | SA_SHIRQ, dev->name, dev)) {
+ if (request_irq(dev->irq, yam_interrupt, IRQF_DISABLED | IRQF_SHARED, dev->name, dev)) {
printk(KERN_ERR "%s: irq %d busy\n", dev->name, dev->irq);
ret = -EBUSY;
goto out_release_base;
/* Reset overruns for all ports - FPGA programming makes overruns */
for (i = 0; i < NR_PORTS; i++) {
- struct net_device *dev = yam_devs[i];
- struct yam_port *yp = netdev_priv(dev);
- inb(LSR(dev->base_addr));
- yp->stats.rx_fifo_errors = 0;
+ struct net_device *yam_dev = yam_devs[i];
+
+ inb(LSR(yam_dev->base_addr));
+ yam_dev->stats.rx_fifo_errors = 0;
}
printk(KERN_INFO "%s at iobase 0x%lx irq %u uart %s\n", dev->name, dev->base_addr, dev->irq,
/* --------------------------------------------------------------------- */
+static const struct net_device_ops yam_netdev_ops = {
+ .ndo_open = yam_open,
+ .ndo_stop = yam_close,
+ .ndo_start_xmit = yam_send_packet,
+ .ndo_do_ioctl = yam_ioctl,
+ .ndo_set_mac_address = yam_set_mac_address,
+};
+
static void yam_setup(struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
dev->base_addr = yp->iobase;
dev->irq = yp->irq;
- SET_MODULE_OWNER(dev);
-
- dev->open = yam_open;
- dev->stop = yam_close;
- dev->do_ioctl = yam_ioctl;
- dev->hard_start_xmit = yam_send_packet;
- dev->get_stats = yam_get_stats;
skb_queue_head_init(&yp->send_queue);
- dev->hard_header = ax25_encapsulate;
- dev->rebuild_header = ax25_rebuild_header;
-
- dev->set_mac_address = yam_set_mac_address;
+ dev->netdev_ops = &yam_netdev_ops;
+ dev->header_ops = &ax25_header_ops;
dev->type = ARPHRD_AX25;
dev->hard_header_len = AX25_MAX_HEADER_LEN;
dev->mtu = AX25_MTU;
dev->addr_len = AX25_ADDR_LEN;
- memcpy(dev->broadcast, ax25_bcast, AX25_ADDR_LEN);
- memcpy(dev->dev_addr, ax25_test, AX25_ADDR_LEN);
+ memcpy(dev->broadcast, &ax25_bcast, AX25_ADDR_LEN);
+ memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN);
}
static int __init yam_init_driver(void)
yam_timer.expires = jiffies + HZ / 100;
add_timer(&yam_timer);
- proc_net_fops_create("yam", S_IRUGO, &yam_info_fops);
+ proc_net_fops_create(&init_net, "yam", S_IRUGO, &yam_info_fops);
return 0;
error:
while (--i >= 0) {
kfree(p);
}
- proc_net_remove("yam");
+ proc_net_remove(&init_net, "yam");
}
/* --------------------------------------------------------------------- */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff