net: annotate lockless accesses to sk->sk_napi_id

[mirror_ubuntu-bionic-kernel.git] / include / net / net_namespace.h

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 10f99dafd5acb16f2c477baeab912a730c410344..ce5bbe6f002ea7ef379bf771aa928ef156258ac7 100644 (file)
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -10,6 +10,7 @@
 #include <linux/workqueue.h>
 #include <linux/list.h>
 #include <linux/sysctl.h>
+#include <linux/uidgid.h>
 
 #include <net/flow.h>
 #include <net/netns/core.h>
@@ -56,6 +57,7 @@ struct net {
                                                 */
        spinlock_t              rules_mod_lock;
 
+       u32                     hash_mix;
        atomic64_t              cookie_gen;
 
        struct list_head        list;           /* list of network namespaces */
@@ -120,6 +122,7 @@ struct net {
 #endif
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
        struct netns_nf_frag    nf_frag;
+       struct ctl_table_header *nf_frag_frags_hdr;
 #endif
        struct sock             *nfnl;
        struct sock             *nfnl_stash;
@@ -161,6 +164,8 @@ extern struct net init_net;
 struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
                        struct net *old_net);
 
+void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
+
 void net_ns_barrier(void);
 #else /* CONFIG_NET_NS */
 #include <linux/sched.h>
@@ -173,6 +178,13 @@ static inline struct net *copy_net_ns(unsigned long flags,
        return old_net;
 }
 
+static inline void net_ns_get_ownership(const struct net *net,
+                                       kuid_t *uid, kgid_t *gid)
+{
+       *uid = GLOBAL_ROOT_UID;
+       *gid = GLOBAL_ROOT_GID;
+}
+
 static inline void net_ns_barrier(void) {}
 #endif /* CONFIG_NET_NS */
 
@@ -223,6 +235,11 @@ int net_eq(const struct net *net1, const struct net *net2)
        return net1 == net2;
 }
 
+static inline int check_net(const struct net *net)
+{
+       return atomic_read(&net->count) != 0;
+}
+
 void net_drop_ns(void *);
 
 #else
@@ -247,6 +264,11 @@ int net_eq(const struct net *net1, const struct net *net2)
        return 1;
 }
 
+static inline int check_net(const struct net *net)
+{
+       return 1;
+}
+
 #define net_drop_ns NULL
 #endif