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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-27 14:44:53 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-27 14:44:53 +0100
commitcc11f372e9371ec3a3dad02396dbe0a55eec0b8f (patch)
treefd22bdac975ee61053e787ad96c912fddc485370 /include/net/cls_cgroup.h
parentStaging: rtl8812ae: disable due to build errors (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml (diff)
downloadlinux-cc11f372e9371ec3a3dad02396dbe0a55eec0b8f.tar.xz
linux-cc11f372e9371ec3a3dad02396dbe0a55eec0b8f.zip
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix up the rtl8821ae driver to build properly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net/cls_cgroup.h')
-rw-r--r--include/net/cls_cgroup.h40
1 files changed, 12 insertions, 28 deletions
diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index 33d03b648646..9cf2d5ef38d9 100644
--- a/include/net/cls_cgroup.h
+++ b/include/net/cls_cgroup.h
@@ -16,17 +16,16 @@
#include <linux/cgroup.h>
#include <linux/hardirq.h>
#include <linux/rcupdate.h>
+#include <net/sock.h>
-#if IS_ENABLED(CONFIG_NET_CLS_CGROUP)
-struct cgroup_cls_state
-{
+#ifdef CONFIG_CGROUP_NET_CLASSID
+struct cgroup_cls_state {
struct cgroup_subsys_state css;
u32 classid;
};
-void sock_update_classid(struct sock *sk);
+struct cgroup_cls_state *task_cls_state(struct task_struct *p);
-#if IS_BUILTIN(CONFIG_NET_CLS_CGROUP)
static inline u32 task_cls_classid(struct task_struct *p)
{
u32 classid;
@@ -41,33 +40,18 @@ static inline u32 task_cls_classid(struct task_struct *p)
return classid;
}
-#elif IS_MODULE(CONFIG_NET_CLS_CGROUP)
-static inline u32 task_cls_classid(struct task_struct *p)
-{
- struct cgroup_subsys_state *css;
- u32 classid = 0;
-
- if (in_interrupt())
- return 0;
-
- rcu_read_lock();
- css = task_css(p, net_cls_subsys_id);
- if (css)
- classid = container_of(css,
- struct cgroup_cls_state, css)->classid;
- rcu_read_unlock();
- return classid;
-}
-#endif
-#else /* !CGROUP_NET_CLS_CGROUP */
static inline void sock_update_classid(struct sock *sk)
{
-}
+ u32 classid;
-static inline u32 task_cls_classid(struct task_struct *p)
+ classid = task_cls_classid(current);
+ if (classid != sk->sk_classid)
+ sk->sk_classid = classid;
+}
+#else /* !CONFIG_CGROUP_NET_CLASSID */
+static inline void sock_update_classid(struct sock *sk)
{
- return 0;
}
-#endif /* CGROUP_NET_CLS_CGROUP */
+#endif /* CONFIG_CGROUP_NET_CLASSID */
#endif /* _NET_CLS_CGROUP_H */