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Diffstat (limited to 'include/net')
-rw-r--r--include/net/ip6_fib.h4
-rw-r--r--include/net/net_namespace.h7
2 files changed, 11 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 4b5656c71abc..bd0f1595bdc7 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -177,6 +177,7 @@ struct fib6_info {
struct rt6_info {
struct dst_entry dst;
struct fib6_info __rcu *from;
+ int sernum;
struct rt6key rt6i_dst;
struct rt6key rt6i_src;
@@ -260,6 +261,9 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt)
struct fib6_info *from;
u32 cookie = 0;
+ if (rt->sernum)
+ return rt->sernum;
+
rcu_read_lock();
from = rcu_dereference(rt->from);
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index c7e15a213ef2..0fca98a3d2d3 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -428,6 +428,13 @@ static inline int rt_genid_ipv4(struct net *net)
return atomic_read(&net->ipv4.rt_genid);
}
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int rt_genid_ipv6(const struct net *net)
+{
+ return atomic_read(&net->ipv6.fib6_sernum);
+}
+#endif
+
static inline void rt_genid_bump_ipv4(struct net *net)
{
atomic_inc(&net->ipv4.rt_genid);