projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 5bc1421e NH |
2 | /* |
| 3 | * netprio_cgroup.h Control Group Priority set | |
| 4 | * | |
| 5bc1421e | 5 | * Authors: Neil Horman <nhorman@tuxdriver.com> |
| 5bc1421e NH |
6 | */ |
| 7 | ||
| 8 | #ifndef _NETPRIO_CGROUP_H | |
| 9 | #define _NETPRIO_CGROUP_H | |
| 86f8515f | 10 | |
| 5bc1421e NH |
11 | #include <linux/cgroup.h> |
| 12 | #include <linux/hardirq.h> | |
| 13 | #include <linux/rcupdate.h> | |
| 14 | ||
| 86f8515f | 15 | #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO) |
| 5bc1421e NH |
16 | struct netprio_map { |
| 17 | struct rcu_head rcu; | |
| 18 | u32 priomap_len; | |
| 19 | u32 priomap[]; | |
| 20 | }; | |
| 21 | ||
| 2b73bc65 | 22 | static inline u32 task_netprioidx(struct task_struct *p) |
| 5bc1421e | 23 | { |
| 88d642fa | 24 | struct cgroup_subsys_state *css; |
| 2b73bc65 NH |
25 | u32 idx; |
| 26 | ||
| 27 | rcu_read_lock(); | |
| 073219e9 | 28 | css = task_css(p, net_prio_cgrp_id); |
| db53c73a | 29 | idx = css->id; |
| 2b73bc65 NH |
30 | rcu_read_unlock(); |
| 31 | return idx; | |
| 32 | } | |
| 2a56a1fe TH |
33 | |
| 34 | static 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 | ||
| 86f8515f | 42 | #else /* !CONFIG_CGROUP_NET_PRIO */ |
| 2a56a1fe | 43 | |
| 2b73bc65 NH |
44 | static inline u32 task_netprioidx(struct task_struct *p) |
| 45 | { | |
| 46 | return 0; | |
| 47 | } | |
| 48 | ||
| 2a56a1fe TH |
49 | static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd) |
| 50 | { | |
| 51 | } | |
| 51e4e7fa | 52 | |
| 86f8515f | 53 | #endif /* CONFIG_CGROUP_NET_PRIO */ |
| 5bc1421e | 54 | #endif /* _NET_CLS_CGROUP_H */ |