1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * netprio_cgroup.h			Control Group Priority set
 4 *
 
 5 * Authors:	Neil Horman <nhorman@tuxdriver.com>
 
 
 
 
 
 
 6 */
 7
 8#ifndef _NETPRIO_CGROUP_H
 9#define _NETPRIO_CGROUP_H
10
11#include <linux/cgroup.h>
12#include <linux/hardirq.h>
13#include <linux/rcupdate.h>
14
15#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
16struct netprio_map {
17	struct rcu_head rcu;
18	u32 priomap_len;
19	u32 priomap[];
20};
21
22static inline u32 task_netprioidx(struct task_struct *p)
23{
24	struct cgroup_subsys_state *css;
25	u32 idx;
26
27	rcu_read_lock();
28	css = task_css(p, net_prio_cgrp_id);
29	idx = css->cgroup->id;
30	rcu_read_unlock();
31	return idx;
32}
33
34static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
35{
36	if (in_interrupt())
37		return;
38
39	sock_cgroup_set_prioidx(skcd, task_netprioidx(current));
40}
41
42#else /* !CONFIG_CGROUP_NET_PRIO */
43
44static inline u32 task_netprioidx(struct task_struct *p)
45{
46	return 0;
47}
48
49static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
50{
51}
52
53#endif /* CONFIG_CGROUP_NET_PRIO */
54#endif  /* _NET_CLS_CGROUP_H */

 
 1/*
 2 * netprio_cgroup.h			Control Group Priority set
 3 *
 4 *
 5 * Authors:	Neil Horman <nhorman@tuxdriver.com>
 6 *
 7 * This program is free software; you can redistribute it and/or modify it
 8 * under the terms of the GNU General Public License as published by the Free
 9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 */
13
14#ifndef _NETPRIO_CGROUP_H
15#define _NETPRIO_CGROUP_H
16
17#include <linux/cgroup.h>
18#include <linux/hardirq.h>
19#include <linux/rcupdate.h>
20
21#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
22struct netprio_map {
23	struct rcu_head rcu;
24	u32 priomap_len;
25	u32 priomap[];
26};
27
28static inline u32 task_netprioidx(struct task_struct *p)
29{
30	struct cgroup_subsys_state *css;
31	u32 idx;
32
33	rcu_read_lock();
34	css = task_css(p, net_prio_cgrp_id);
35	idx = css->cgroup->id;
36	rcu_read_unlock();
37	return idx;
38}
39
40static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
41{
42	if (in_interrupt())
43		return;
44
45	sock_cgroup_set_prioidx(skcd, task_netprioidx(current));
46}
47
48#else /* !CONFIG_CGROUP_NET_PRIO */
49
50static inline u32 task_netprioidx(struct task_struct *p)
51{
52	return 0;
53}
54
55static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
56{
57}
58
59#endif /* CONFIG_CGROUP_NET_PRIO */
60#endif  /* _NET_CLS_CGROUP_H */