2 * cls_cgroup.h Control Group Classifier
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
13 #ifndef _NET_CLS_CGROUP_H
14 #define _NET_CLS_CGROUP_H
16 #include <linux/cgroup.h>
17 #include <linux/hardirq.h>
18 #include <linux/rcupdate.h>
20 #if IS_ENABLED(CONFIG_NET_CLS_CGROUP)
21 struct cgroup_cls_state
23 struct cgroup_subsys_state css;
27 extern void sock_update_classid(struct sock *sk);
29 #if IS_BUILTIN(CONFIG_NET_CLS_CGROUP)
30 static inline u32 task_cls_classid(struct task_struct *p)
38 classid = container_of(task_subsys_state(p, net_cls_subsys_id),
39 struct cgroup_cls_state, css)->classid;
44 #elif IS_MODULE(CONFIG_NET_CLS_CGROUP)
45 static inline u32 task_cls_classid(struct task_struct *p)
47 struct cgroup_subsys_state *css;
54 css = task_subsys_state(p, net_cls_subsys_id);
56 classid = container_of(css,
57 struct cgroup_cls_state, css)->classid;
63 #else /* !CGROUP_NET_CLS_CGROUP */
64 static inline void sock_update_classid(struct sock *sk)
68 static inline u32 task_cls_classid(struct task_struct *p)
72 #endif /* CGROUP_NET_CLS_CGROUP */
73 #endif /* _NET_CLS_CGROUP_H */