-static int dn_forwarding_sysctl(ctl_table *table,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen)
-{
-#ifdef CONFIG_DECNET_ROUTER
- struct net_device *dev = table->extra1;
- struct dn_dev *dn_db;
- int value;
-
- if (table->extra1 == NULL)
- return -EINVAL;
-
- dn_db = dev->dn_ptr;
-
- if (newval && newlen) {
- if (newlen != sizeof(int))
- return -EINVAL;
-
- if (get_user(value, (int __user *)newval))
- return -EFAULT;
- if (value < 0)
- return -EINVAL;
- if (value > 2)
- return -EINVAL;
-
- if (dn_db->parms.down)
- dn_db->parms.down(dev);
- dn_db->parms.forwarding = value;
- if (dn_db->parms.up)
- dn_db->parms.up(dev);
- }
-
- return 0;
-#else
- return -EINVAL;
-#endif
-}
-