Commit | Line | Data |
---|---|---|
5bc1421e NH |
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 | |
86f8515f | 16 | |
5bc1421e NH |
17 | #include <linux/cgroup.h> |
18 | #include <linux/hardirq.h> | |
19 | #include <linux/rcupdate.h> | |
20 | ||
86f8515f | 21 | #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO) |
5bc1421e NH |
22 | struct netprio_map { |
23 | struct rcu_head rcu; | |
24 | u32 priomap_len; | |
25 | u32 priomap[]; | |
26 | }; | |
27 | ||
2b73bc65 | 28 | static inline u32 task_netprioidx(struct task_struct *p) |
5bc1421e | 29 | { |
88d642fa | 30 | struct cgroup_subsys_state *css; |
2b73bc65 NH |
31 | u32 idx; |
32 | ||
33 | rcu_read_lock(); | |
073219e9 | 34 | css = task_css(p, net_prio_cgrp_id); |
88d642fa | 35 | idx = css->cgroup->id; |
2b73bc65 NH |
36 | rcu_read_unlock(); |
37 | return idx; | |
38 | } | |
2a56a1fe TH |
39 | |
40 | static 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 | ||
86f8515f | 48 | #else /* !CONFIG_CGROUP_NET_PRIO */ |
2a56a1fe | 49 | |
2b73bc65 NH |
50 | static inline u32 task_netprioidx(struct task_struct *p) |
51 | { | |
52 | return 0; | |
53 | } | |
54 | ||
2a56a1fe TH |
55 | static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd) |
56 | { | |
57 | } | |
51e4e7fa | 58 | |
86f8515f | 59 | #endif /* CONFIG_CGROUP_NET_PRIO */ |
5bc1421e | 60 | #endif /* _NET_CLS_CGROUP_H */ |