struct net_device *dev,
int strict);
-extern int ipv6_dev_get_saddr(struct net_device *dev,
+extern int ipv6_dev_get_saddr(struct net *net,
+ struct net_device *dev,
const struct in6_addr *daddr,
unsigned int srcprefs,
struct in6_addr *saddr);
extern int ipv6_get_lladdr(struct net_device *dev,
struct in6_addr *addr,
unsigned char banned_flags);
-extern int ipv6_rcv_saddr_equal(const struct sock *sk,
- const struct sock *sk2);
+extern int ipv6_rcv_saddr_equal(const struct sock *sk,
+ const struct sock *sk2);
extern void addrconf_join_solict(struct net_device *dev,
struct in6_addr *addr);
extern void addrconf_leave_solict(struct inet6_dev *idev,
struct in6_addr *addr);
+static inline unsigned long addrconf_timeout_fixup(u32 timeout,
+ unsigned unit)
+{
+ if (timeout == 0xffffffff)
+ return ~0UL;
+
+ /*
+ * Avoid arithmetic overflow.
+ * Assuming unit is constant and non-zero, this "if" statement
+ * will go away on 64bit archs.
+ */
+ if (0xfffffffe > LONG_MAX / unit && timeout > LONG_MAX / unit)
+ return LONG_MAX / unit;
+
+ return timeout;
+}
+
+static inline int addrconf_finite_timeout(unsigned long timeout)
+{
+ return ~timeout;
+}
+
/*
* IPv6 Address Label subsystem (addrlabel.c)
*/
extern int ipv6_addr_label_init(void);
extern void ipv6_addr_label_rtnl_register(void);
-extern u32 ipv6_addr_label(const struct in6_addr *addr,
+extern u32 ipv6_addr_label(struct net *net,
+ const struct in6_addr *addr,
int type, int ifindex);
/*
extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
extern void ipv6_mc_up(struct inet6_dev *idev);
extern void ipv6_mc_down(struct inet6_dev *idev);
+extern void ipv6_mc_unmap(struct inet6_dev *idev);
+extern void ipv6_mc_remap(struct inet6_dev *idev);
extern void ipv6_mc_init_dev(struct inet6_dev *idev);
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
static inline struct inet6_dev *
__in6_dev_get(struct net_device *dev)
{
- return rcu_dereference(dev->ip6_ptr);
+ return rcu_dereference_check(dev->ip6_ptr,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
}
static inline struct inet6_dev *