2 * cls_cgroup.h Control Group Classifier
4 * Authors: Thomas Graf <tgraf@suug.ch>
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>
21 #ifdef CONFIG_CGROUP_NET_CLASSID
22 struct cgroup_cls_state {
23 struct cgroup_subsys_state css;
27 struct cgroup_cls_state *task_cls_state(struct task_struct *p);
29 static inline u32 task_cls_classid(struct task_struct *p)
37 classid = container_of(task_css(p, net_cls_subsys_id),
38 struct cgroup_cls_state, css)->classid;
44 static inline void sock_update_classid(struct sock *sk)
48 classid = task_cls_classid(current);
49 if (classid != sk->sk_classid)
50 sk->sk_classid = classid;
52 #else /* !CONFIG_CGROUP_NET_CLASSID */
53 static inline void sock_update_classid(struct sock *sk)
56 #endif /* CONFIG_CGROUP_NET_CLASSID */
57 #endif /* _NET_CLS_CGROUP_H */