Commit | Line | Data |
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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 | |
5bc1421e NH |
16 | #include <linux/cgroup.h> |
17 | #include <linux/hardirq.h> | |
18 | #include <linux/rcupdate.h> | |
19 | ||
5bc1421e | 20 | |
51e4e7fa | 21 | #if IS_ENABLED(CONFIG_NETPRIO_CGROUP) |
5bc1421e NH |
22 | struct netprio_map { |
23 | struct rcu_head rcu; | |
24 | u32 priomap_len; | |
25 | u32 priomap[]; | |
26 | }; | |
27 | ||
37830721 | 28 | void sock_update_netprioidx(struct sock *sk); |
5bc1421e | 29 | |
2b73bc65 NH |
30 | #if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) |
31 | ||
32 | static inline u32 task_netprioidx(struct task_struct *p) | |
5bc1421e | 33 | { |
88d642fa | 34 | struct cgroup_subsys_state *css; |
2b73bc65 NH |
35 | u32 idx; |
36 | ||
37 | rcu_read_lock(); | |
8af01f56 | 38 | css = task_css(p, net_prio_subsys_id); |
88d642fa | 39 | idx = css->cgroup->id; |
2b73bc65 NH |
40 | rcu_read_unlock(); |
41 | return idx; | |
42 | } | |
43 | ||
44 | #elif IS_MODULE(CONFIG_NETPRIO_CGROUP) | |
45 | ||
46 | static inline u32 task_netprioidx(struct task_struct *p) | |
47 | { | |
8a8e04df | 48 | struct cgroup_subsys_state *css; |
2b73bc65 NH |
49 | u32 idx = 0; |
50 | ||
51 | rcu_read_lock(); | |
8af01f56 | 52 | css = task_css(p, net_prio_subsys_id); |
8a8e04df | 53 | if (css) |
88d642fa | 54 | idx = css->cgroup->id; |
2b73bc65 NH |
55 | rcu_read_unlock(); |
56 | return idx; | |
5bc1421e | 57 | } |
51e4e7fa | 58 | #endif |
5bc1421e | 59 | |
51e4e7fa | 60 | #else /* !CONFIG_NETPRIO_CGROUP */ |
5bc1421e | 61 | |
2b73bc65 NH |
62 | static inline u32 task_netprioidx(struct task_struct *p) |
63 | { | |
64 | return 0; | |
65 | } | |
66 | ||
6ffd4641 | 67 | #define sock_update_netprioidx(sk) |
51e4e7fa DW |
68 | |
69 | #endif /* CONFIG_NETPRIO_CGROUP */ | |
5bc1421e NH |
70 | |
71 | #endif /* _NET_CLS_CGROUP_H */ |