[IPV6]: ROUTE: Add support for Router Preference (RFC4191).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 01acca06d6dd..50161322b828 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -87,7 +87,8 @@ extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 extern struct rt6_info *        rt6_get_dflt_router(struct in6_addr *addr,
                                                     struct net_device *dev);
 extern struct rt6_info *        rt6_add_dflt_router(struct in6_addr *gwaddr,
-                                                    struct net_device *dev);
+                                                    struct net_device *dev,
+                                                    unsigned int pref);
 
 extern void                     rt6_purge_dflt_routers(void);