#include <asm/system.h>
#include <asm/uaccess.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include "x25_asy.h"
+#include <net/x25device.h>
+
static struct net_device **x25_asy_devs;
static int x25_asy_maxdev = SL_NRUNIT;
-MODULE_PARM(x25_asy_maxdev, "i");
+module_param(x25_asy_maxdev, int, 0);
MODULE_LICENSE("GPL");
static int x25_asy_esc(unsigned char *p, unsigned char *d, int len);
static void x25_asy_free(struct x25_asy *sl)
{
/* Free all X.25 frame buffers. */
- if (sl->rbuff) {
- kfree(sl->rbuff);
- }
+ kfree(sl->rbuff);
sl->rbuff = NULL;
- if (sl->xbuff) {
- kfree(sl->xbuff);
- }
+ kfree(sl->xbuff);
sl->xbuff = NULL;
if (!test_and_clear_bit(SLF_INUSE, &sl->flags)) {
unsigned char *xbuff, *rbuff;
int len = 2* newmtu;
- xbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC);
- rbuff = (unsigned char *) kmalloc (len + 4, GFP_ATOMIC);
+ xbuff = kmalloc(len + 4, GFP_ATOMIC);
+ rbuff = kmalloc(len + 4, GFP_ATOMIC);
if (xbuff == NULL || rbuff == NULL)
{
printk("%s: unable to grow X.25 buffers, MTU change cancelled.\n",
dev->name);
- if (xbuff != NULL)
- kfree(xbuff);
- if (rbuff != NULL)
- kfree(rbuff);
+ kfree(xbuff);
+ kfree(rbuff);
return -ENOMEM;
}
spin_unlock_bh(&sl->lock);
- if (xbuff != NULL)
- kfree(xbuff);
- if (rbuff != NULL)
- kfree(rbuff);
+ kfree(xbuff);
+ kfree(rbuff);
return 0;
}
return;
}
skb_push(skb,1); /* LAPB internal control */
- skb->dev = sl->dev;
memcpy(skb_put(skb,count), sl->rbuff, count);
- skb->mac.raw=skb->data;
- skb->protocol=htons(ETH_P_X25);
+ skb->protocol = x25_type_trans(skb, sl->dev);
if((err=lapb_data_received(skb->dev, skb))!=LAPB_OK)
{
kfree_skb(skb);
* 14 Oct 1994 Dmitry Gorodchanin.
*/
sl->tty->flags |= (1 << TTY_DO_WRITE_WAKEUP);
- actual = sl->tty->driver->write(sl->tty, 0, sl->xbuff, count);
+ actual = sl->tty->driver->write(sl->tty, sl->xbuff, count);
sl->xleft = count - actual;
sl->xhead = sl->xbuff + actual;
/* VSV */
return;
}
- actual = tty->driver->write(tty, 0, sl->xhead, sl->xleft);
+ actual = tty->driver->write(tty, sl->xhead, sl->xleft);
sl->xleft -= actual;
sl->xhead += actual;
}
ptr = skb_put(skb, 1);
*ptr = 0x01;
- skb->dev = sl->dev;
- skb->protocol = htons(ETH_P_X25);
- skb->mac.raw = skb->data;
- skb->pkt_type = PACKET_HOST;
-
+ skb->protocol = x25_type_trans(skb, sl->dev);
netif_rx(skb);
sl->dev->last_rx = jiffies;
}
ptr = skb_put(skb, 1);
*ptr = 0x02;
- skb->dev = sl->dev;
- skb->protocol = htons(ETH_P_X25);
- skb->mac.raw = skb->data;
- skb->pkt_type = PACKET_HOST;
-
+ skb->protocol = x25_type_trans(skb, sl->dev);
netif_rx(skb);
sl->dev->last_rx = jiffies;
}
len = dev->mtu * 2;
- sl->rbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL);
+ sl->rbuff = kmalloc(len + 4, GFP_KERNEL);
if (sl->rbuff == NULL) {
goto norbuff;
}
- sl->xbuff = (unsigned char *) kmalloc(len + 4, GFP_KERNEL);
+ sl->xbuff = kmalloc(len + 4, GFP_KERNEL);
if (sl->xbuff == NULL) {
goto noxbuff;
}
return 0;
}
-static int x25_asy_receive_room(struct tty_struct *tty)
-{
- return 65536; /* We can handle an infinite amount of data. :-) */
-}
-
/*
* Handle the 'receiver data ready' interrupt.
* This function is called by the 'tty_io' module in the kernel when
sl->tty = tty;
tty->disc_data = sl;
+ tty->receive_room = 65536;
if (tty->driver->flush_buffer) {
tty->driver->flush_buffer(tty);
}
(void) dev_close(sl->dev);
}
- tty->disc_data = 0;
+ tty->disc_data = NULL;
sl->tty = NULL;
x25_asy_free(sl);
}
switch(cmd) {
case SIOCGIFNAME:
- if (copy_to_user((void *)arg, sl->dev->name,
+ if (copy_to_user((void __user *)arg, sl->dev->name,
strlen(sl->dev->name) + 1))
return -EFAULT;
return 0;
.close = x25_asy_close_tty,
.ioctl = x25_asy_ioctl,
.receive_buf = x25_asy_receive_buf,
- .receive_room = x25_asy_receive_room,
.write_wakeup = x25_asy_write_wakeup,
};
}
kfree(x25_asy_devs);
- tty_register_ldisc(N_X25, NULL);
+ tty_unregister_ldisc(N_X25);
}
module_init(init_x25_asy);