extern int ipv6_chk_addr(struct in6_addr *addr,
struct net_device *dev,
int strict);
+#ifdef CONFIG_IPV6_MIP6
+extern int ipv6_chk_home_addr(struct in6_addr *addr);
+#endif
extern struct inet6_ifaddr * ipv6_get_ifaddr(struct in6_addr *addr,
struct net_device *dev,
int strict);
static inline struct inet6_dev *
__in6_dev_get(struct net_device *dev)
{
- return (struct inet6_dev *)dev->ip6_ptr;
+ return rcu_dereference(dev->ip6_ptr);
}
-extern rwlock_t addrconf_lock;
-
static inline struct inet6_dev *
in6_dev_get(struct net_device *dev)
{
struct inet6_dev *idev = NULL;
- read_lock(&addrconf_lock);
- idev = dev->ip6_ptr;
+ rcu_read_lock();
+ idev = __in6_dev_get(dev);
if (idev)
atomic_inc(&idev->refcnt);
- read_unlock(&addrconf_lock);
+ rcu_read_unlock();
return idev;
}