summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/rtnetlink.h21
-rw-r--r--include/net/net_namespace.h4
2 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index cdfc897f1e3c..edd840a49989 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -92,6 +92,27 @@ static inline bool lockdep_rtnl_is_held(void)
#define rcu_replace_pointer_rtnl(rp, p) \
rcu_replace_pointer(rp, p, lockdep_rtnl_is_held())
+#ifdef CONFIG_DEBUG_NET_SMALL_RTNL
+void __rtnl_net_lock(struct net *net);
+void __rtnl_net_unlock(struct net *net);
+void rtnl_net_lock(struct net *net);
+void rtnl_net_unlock(struct net *net);
+int rtnl_net_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b);
+#else
+static inline void __rtnl_net_lock(struct net *net) {}
+static inline void __rtnl_net_unlock(struct net *net) {}
+
+static inline void rtnl_net_lock(struct net *net)
+{
+ rtnl_lock();
+}
+
+static inline void rtnl_net_unlock(struct net *net)
+{
+ rtnl_unlock();
+}
+#endif
+
static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev)
{
return rtnl_dereference(dev->ingress_queue);
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index e67b483cc8bb..873c0f9fdac6 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -188,6 +188,10 @@ struct net {
#if IS_ENABLED(CONFIG_SMC)
struct netns_smc smc;
#endif
+#ifdef CONFIG_DEBUG_NET_SMALL_RTNL
+ /* Move to a better place when the config guard is removed. */
+ struct mutex rtnl_mutex;
+#endif
} __randomize_layout;
#include <linux/seq_file_net.h>