1 files changed, 10 insertions, 0 deletions

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index ae1cd6c9ba52..fd87963a0ea5 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -102,6 +102,7 @@ struct net {
 #endif
         struct netns_ipvs       *ipvs;
         struct sock             *diag_nlsk;
+        atomic_t                rt_genid;
 };
 
 
@@ -300,5 +301,14 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
 }
 #endif
 
+static inline int rt_genid(struct net *net)
+{
+        return atomic_read(&net->rt_genid);
+}
+
+static inline void rt_genid_bump(struct net *net)
+{
+        atomic_inc(&net->rt_genid);
+}
 
 #endif /* __NET_NET_NAMESPACE_H */