1 files changed, 25 insertions, 3 deletions

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 873c0f9fdac6..025a7574b275 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -80,8 +80,12 @@ struct net {
 						 * or to unregister pernet ops
 						 * (pernet_ops_rwsem write locked).
 						 */
+	struct llist_node	defer_free_list;
 	struct llist_node	cleanup_list;	/* namespaces on death row */
 
+	struct list_head ptype_all;
+	struct list_head ptype_specific;
+
 #ifdef CONFIG_KEYS
 	struct key_tag		*key_domain;	/* Key domain of operation tag */
 #endif
@@ -209,6 +213,8 @@ void net_ns_barrier(void);
 
 struct ns_common *get_net_ns(struct ns_common *ns);
 struct net *get_net_ns_by_fd(int fd);
+extern struct task_struct *cleanup_net_task;
+
 #else /* CONFIG_NET_NS */
 #include <linux/sched.h>
 #include <linux/nsproxy.h>
@@ -294,6 +300,7 @@ static inline int check_net(const struct net *net)
 }
 
 void net_drop_ns(void *);
+void net_passive_dec(struct net *net);
 
 #else
 
@@ -323,8 +330,23 @@ static inline int check_net(const struct net *net)
 }
 
 #define net_drop_ns NULL
+
+static inline void net_passive_dec(struct net *net)
+{
+	refcount_dec(&net->passive);
+}
 #endif
 
+static inline void net_passive_inc(struct net *net)
+{
+	refcount_inc(&net->passive);
+}
+
+/* Returns true if the netns initialization is completed successfully */
+static inline bool net_initialized(const struct net *net)
+{
+	return READ_ONCE(net->list.next);
+}
 
 static inline void __netns_tracker_alloc(struct net *net,
 					 netns_tracker *tracker,
@@ -390,7 +412,7 @@ static inline struct net *read_pnet(const possible_net_t *pnet)
 #endif
 }
 
-static inline struct net *read_pnet_rcu(possible_net_t *pnet)
+static inline struct net *read_pnet_rcu(const possible_net_t *pnet)
 {
 #ifdef CONFIG_NET_NS
 	return rcu_dereference(pnet->net);
@@ -453,8 +475,8 @@ struct pernet_operations {
 	void (*exit)(struct net *net);
 	void (*exit_batch)(struct list_head *net_exit_list);
 	/* Following method is called with RTNL held. */
-	void (*exit_batch_rtnl)(struct list_head *net_exit_list,
-				struct list_head *dev_kill_list);
+	void (*exit_rtnl)(struct net *net,
+			  struct list_head *dev_kill_list);
 	unsigned int * const id;
 	const size_t size;
 };