blob: 099d02782e22274fb9f7b52abe296cb17d14e45d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* netprio_cgroup.h Control Group Priority set
*
*
* Authors: Neil Horman <nhorman@tuxdriver.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _NETPRIO_CGROUP_H
#define _NETPRIO_CGROUP_H
#include <linux/cgroup.h>
#include <linux/hardirq.h>
#include <linux/rcupdate.h>
#if IS_ENABLED(CONFIG_NETPRIO_CGROUP)
struct netprio_map {
struct rcu_head rcu;
u32 priomap_len;
u32 priomap[];
};
void sock_update_netprioidx(struct sock *sk);
#if IS_BUILTIN(CONFIG_NETPRIO_CGROUP)
static inline u32 task_netprioidx(struct task_struct *p)
{
struct cgroup_subsys_state *css;
u32 idx;
rcu_read_lock();
css = task_css(p, net_prio_subsys_id);
idx = css->cgroup->id;
rcu_read_unlock();
return idx;
}
#elif IS_MODULE(CONFIG_NETPRIO_CGROUP)
static inline u32 task_netprioidx(struct task_struct *p)
{
struct cgroup_subsys_state *css;
u32 idx = 0;
rcu_read_lock();
css = task_css(p, net_prio_subsys_id);
if (css)
idx = css->cgroup->id;
rcu_read_unlock();
return idx;
}
#endif
#else /* !CONFIG_NETPRIO_CGROUP */
static inline u32 task_netprioidx(struct task_struct *p)
{
return 0;
}
#define sock_update_netprioidx(sk)
#endif /* CONFIG_NETPRIO_CGROUP */
#endif /* _NET_CLS_CGROUP_H */
|
