ipv6: Add rt6_get_cookie() function

[pandora-kernel.git] / include / net / ip6_fib.h

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 3907358..ac5cb6a 100644 (file)
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -126,6 +126,11 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
        return ((struct rt6_info *)dst)->rt6i_idev;
 }
 
+static inline u32 rt6_get_cookie(const struct rt6_info *rt)
+{
+       return rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
+}
+
 struct fib6_walker_t {
        struct list_head lh;
        struct fib6_node *root, *node;