projects / deliverable / linux.git / blame
| 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 | ||
| 37830721 | 28 | void sock_update_netprioidx(struct sock *sk); |
| 5bc1421e | 29 | |
| 86f8515f | 30 | #if IS_BUILTIN(CONFIG_CGROUP_NET_PRIO) |
| 2b73bc65 | 31 | static inline u32 task_netprioidx(struct task_struct *p) |
| 5bc1421e | 32 | { |
| 88d642fa | 33 | struct cgroup_subsys_state *css; |
| 2b73bc65 NH |
34 | u32 idx; |
| 35 | ||
| 36 | rcu_read_lock(); | |
| 8af01f56 | 37 | css = task_css(p, net_prio_subsys_id); |
| 88d642fa | 38 | idx = css->cgroup->id; |
| 2b73bc65 NH |
39 | rcu_read_unlock(); |
| 40 | return idx; | |
| 41 | } | |
| 86f8515f | 42 | #elif IS_MODULE(CONFIG_CGROUP_NET_PRIO) |
| 2b73bc65 NH |
43 | static inline u32 task_netprioidx(struct task_struct *p) |
| 44 | { | |
| 8a8e04df | 45 | struct cgroup_subsys_state *css; |
| 2b73bc65 NH |
46 | u32 idx = 0; |
| 47 | ||
| 48 | rcu_read_lock(); | |
| 8af01f56 | 49 | css = task_css(p, net_prio_subsys_id); |
| 8a8e04df | 50 | if (css) |
| 88d642fa | 51 | idx = css->cgroup->id; |
| 2b73bc65 NH |
52 | rcu_read_unlock(); |
| 53 | return idx; | |
| 5bc1421e | 54 | } |
| 51e4e7fa | 55 | #endif |
| 86f8515f | 56 | #else /* !CONFIG_CGROUP_NET_PRIO */ |
| 2b73bc65 NH |
57 | static inline u32 task_netprioidx(struct task_struct *p) |
| 58 | { | |
| 59 | return 0; | |
| 60 | } | |
| 61 | ||
| 6ffd4641 | 62 | #define sock_update_netprioidx(sk) |
| 51e4e7fa | 63 | |
| 86f8515f | 64 | #endif /* CONFIG_CGROUP_NET_PRIO */ |
| 5bc1421e | 65 | #endif /* _NET_CLS_CGROUP_H */ |