#endif
#include <net/netns/nftables.h>
#include <net/netns/xfrm.h>
+#include <net/netns/mpls.h>
#include <linux/ns_common.h>
struct user_namespace;
atomic_t count; /* To decided when the network
* namespace should be shut down.
*/
-#ifdef NETNS_REFCNT_DEBUG
- atomic_t use_count; /* To track references we
- * destroy on demand
- */
-#endif
spinlock_t rules_mod_lock;
+ atomic64_t cookie_gen;
+
struct list_head list; /* list of network namespaces */
struct list_head cleanup_list; /* namespaces on death row */
struct list_head exit_list; /* Use only net_mutex */
#endif
#if IS_ENABLED(CONFIG_IP_VS)
struct netns_ipvs *ipvs;
+#endif
+#if IS_ENABLED(CONFIG_MPLS)
+ struct netns_mpls mpls;
#endif
struct sock *diag_nlsk;
atomic_t fnhe_genid;
#endif
-#ifdef NETNS_REFCNT_DEBUG
-static inline struct net *hold_net(struct net *net)
-{
- if (net)
- atomic_inc(&net->use_count);
- return net;
-}
-
-static inline void release_net(struct net *net)
-{
- if (net)
- atomic_dec(&net->use_count);
-}
-#else
-static inline struct net *hold_net(struct net *net)
-{
- return net;
-}
-
-static inline void release_net(struct net *net)
-{
-}
-#endif
-
+typedef struct {
#ifdef CONFIG_NET_NS
+ struct net *net;
+#endif
+} possible_net_t;
-static inline void write_pnet(struct net **pnet, struct net *net)
+static inline void write_pnet(possible_net_t *pnet, struct net *net)
{
- *pnet = net;
+#ifdef CONFIG_NET_NS
+ pnet->net = net;
+#endif
}
-static inline struct net *read_pnet(struct net * const *pnet)
+static inline struct net *read_pnet(const possible_net_t *pnet)
{
- return *pnet;
-}
-
+#ifdef CONFIG_NET_NS
+ return pnet->net;
#else
-
-#define write_pnet(pnet, net) do { (void)(net);} while (0)
-#define read_pnet(pnet) (&init_net)
-
+ return &init_net;
#endif
+}
#define for_each_net(VAR) \
list_for_each_entry(VAR, &net_namespace_list, list)