*
* This module is completely hardware-independent and provides
* the following common services for the WAN Link Drivers:
-* o WAN device managenment (registering, unregistering)
+* o WAN device management (registering, unregistering)
* o Network interface management
* o Physical connection management (dial-up, incoming calls)
* o Logical connection management (switched virtual circuits)
* Jun 02, 1999 Gideon Hack Updates for Linux 2.0.X and 2.2.X kernels.
*****************************************************************************/
-#include <linux/config.h>
#include <linux/stddef.h> /* offsetof(), etc. */
+#include <linux/capability.h>
#include <linux/errno.h> /* return codes */
#include <linux/kernel.h>
#include <linux/init.h>
#define KMEM_SAFETYZONE 8
-/***********FOR DEBUGGING PURPOSES*********************************************
-static void * dbg_kmalloc(unsigned int size, int prio, int line) {
- int i = 0;
- void * v = kmalloc(size+sizeof(unsigned int)+2*KMEM_SAFETYZONE*8,prio);
- char * c1 = v;
- c1 += sizeof(unsigned int);
- *((unsigned int *)v) = size;
-
- for (i = 0; i < KMEM_SAFETYZONE; i++) {
- c1[0] = 'D'; c1[1] = 'E'; c1[2] = 'A'; c1[3] = 'D';
- c1[4] = 'B'; c1[5] = 'E'; c1[6] = 'E'; c1[7] = 'F';
- c1 += 8;
- }
- c1 += size;
- for (i = 0; i < KMEM_SAFETYZONE; i++) {
- c1[0] = 'M'; c1[1] = 'U'; c1[2] = 'N'; c1[3] = 'G';
- c1[4] = 'W'; c1[5] = 'A'; c1[6] = 'L'; c1[7] = 'L';
- c1 += 8;
- }
- v = ((char *)v) + sizeof(unsigned int) + KMEM_SAFETYZONE*8;
- printk(KERN_INFO "line %d kmalloc(%d,%d) = %p\n",line,size,prio,v);
- return v;
-}
-static void dbg_kfree(void * v, int line) {
- unsigned int * sp = (unsigned int *)(((char *)v) - (sizeof(unsigned int) + KMEM_SAFETYZONE*8));
- unsigned int size = *sp;
- char * c1 = ((char *)v) - KMEM_SAFETYZONE*8;
- int i = 0;
- for (i = 0; i < KMEM_SAFETYZONE; i++) {
- if ( c1[0] != 'D' || c1[1] != 'E' || c1[2] != 'A' || c1[3] != 'D'
- || c1[4] != 'B' || c1[5] != 'E' || c1[6] != 'E' || c1[7] != 'F') {
- printk(KERN_INFO "kmalloced block at %p has been corrupted (underrun)!\n",v);
- printk(KERN_INFO " %4x: %2x %2x %2x %2x %2x %2x %2x %2x\n", i*8,
- c1[0],c1[1],c1[2],c1[3],c1[4],c1[5],c1[6],c1[7] );
- }
- c1 += 8;
- }
- c1 += size;
- for (i = 0; i < KMEM_SAFETYZONE; i++) {
- if ( c1[0] != 'M' || c1[1] != 'U' || c1[2] != 'N' || c1[3] != 'G'
- || c1[4] != 'W' || c1[5] != 'A' || c1[6] != 'L' || c1[7] != 'L'
- ) {
- printk(KERN_INFO "kmalloced block at %p has been corrupted (overrun):\n",v);
- printk(KERN_INFO " %4x: %2x %2x %2x %2x %2x %2x %2x %2x\n", i*8,
- c1[0],c1[1],c1[2],c1[3],c1[4],c1[5],c1[6],c1[7] );
- }
- c1 += 8;
- }
- printk(KERN_INFO "line %d kfree(%p)\n",line,v);
- v = ((char *)v) - (sizeof(unsigned int) + KMEM_SAFETYZONE*8);
- kfree(v);
-}
-
-#define kmalloc(x,y) dbg_kmalloc(x,y,__LINE__)
-#define kfree(x) dbg_kfree(x,__LINE__)
-*****************************************************************************/
-
/*
* Function Prototypes
*/
static struct wan_device *wanrouter_find_device(char *name);
static int wanrouter_delete_interface(struct wan_device *wandev, char *name);
-void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
-void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
+static void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
+static void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
* Organize Unique Identifiers for encapsulation/decapsulation
*/
-static unsigned char wanrouter_oui_ether[] = { 0x00, 0x00, 0x00 };
#if 0
+static unsigned char wanrouter_oui_ether[] = { 0x00, 0x00, 0x00 };
static unsigned char wanrouter_oui_802_2[] = { 0x00, 0x80, 0xC2 };
#endif
return 0;
}
+#if 0
+
/*
* Encapsulate packet.
*
cnt += 1;
break;
- case NLPID_SNAP: /* SNAP encapsulation */
+ case NLPID_SNAP: /* SNAP encapsulation */
if (memcmp(&skb->data[cnt + 1], wanrouter_oui_ether,
sizeof(wanrouter_oui_ether))){
- printk(KERN_INFO
+ printk(KERN_INFO
"%s: unsupported SNAP OUI %02X-%02X-%02X "
"on interface %s!\n", wanrouter_modname,
skb->data[cnt+1], skb->data[cnt+2],
return ethertype;
}
+#endif /* 0 */
/*
* WAN device IOCTL.
kfree(conf);
printk(KERN_INFO "%s: ERROR, Invalid MAGIC Number\n",
wandev->name);
- return -EINVAL;
+ return -EINVAL;
}
if (conf->data_size && conf->data) {
"%s: ERROR, Invalid firmware data size %i !\n",
wandev->name, conf->data_size);
kfree(conf);
- return -EINVAL;
+ return -EINVAL;
}
data = vmalloc(conf->data_size);
if (!data) {
printk(KERN_INFO
- "%s: ERROR, Faild allocate kernel memory !\n",
+ "%s: ERROR, Faild allocate kernel memory !\n",
wandev->name);
kfree(conf);
return -ENOBUFS;
if (cnf->config_id == WANCONFIG_MPPP) {
#ifdef CONFIG_WANPIPE_MULTPPP
- pppdev = kmalloc(sizeof(struct ppp_device), GFP_KERNEL);
+ pppdev = kzalloc(sizeof(struct ppp_device), GFP_KERNEL);
err = -ENOBUFS;
if (pppdev == NULL)
goto out;
- memset(pppdev, 0, sizeof(struct ppp_device));
- pppdev->dev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
+ pppdev->dev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
if (pppdev->dev == NULL) {
kfree(pppdev);
err = -ENOBUFS;
goto out;
}
- memset(pppdev->dev, 0, sizeof(struct net_device));
err = wandev->new_if(wandev, (struct net_device *)pppdev, cnf);
dev = pppdev->dev;
#else
goto out;
#endif
} else {
- dev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
+ dev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
err = -ENOBUFS;
if (dev == NULL)
goto out;
- memset(dev, 0, sizeof(struct net_device));
err = wandev->new_if(wandev, dev, cnf);
}
}
/* This code has moved from del_if() function */
- if (dev->priv) {
- kfree(dev->priv);
- dev->priv = NULL;
- }
+ kfree(dev->priv);
+ dev->priv = NULL;
#ifdef CONFIG_WANPIPE_MULTPPP
if (cnf->config_id == WANCONFIG_MPPP)
static int wanrouter_device_del_if(struct wan_device *wandev, char __user *u_name)
{
char name[WAN_IFNAME_SZ + 1];
- int err = 0;
+ int err = 0;
if (wandev->state == WAN_UNCONFIGURED)
return -ENODEV;
* interfaces are deleted and the link irrecoverably disconnected.
*/
- if (!wandev->ndev && wandev->shutdown)
- err = wandev->shutdown(wandev);
+ if (!wandev->ndev && wandev->shutdown)
+ err = wandev->shutdown(wandev);
return err;
}
/* Due to new interface linking method using dev->priv,
* this code has moved from del_if() function.*/
- if (dev->priv){
- kfree(dev->priv);
- dev->priv=NULL;
- }
+ kfree(dev->priv);
+ dev->priv=NULL;
unregister_netdev(dev);
return 0;
}
-void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags)
+static void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags)
{
- spin_lock_irqsave(lock, *smp_flags);
+ spin_lock_irqsave(lock, *smp_flags);
}
-void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags)
+static void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags)
{
spin_unlock_irqrestore(lock, *smp_flags);
}
EXPORT_SYMBOL(register_wan_device);
EXPORT_SYMBOL(unregister_wan_device);
-EXPORT_SYMBOL(wanrouter_encapsulate);
-EXPORT_SYMBOL(wanrouter_type_trans);
-EXPORT_SYMBOL(lock_adapter_irq);
-EXPORT_SYMBOL(unlock_adapter_irq);
MODULE_LICENSE("GPL");