| /* |
| * 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_CGROUP_NET_PRIO) |
| struct netprio_map { |
| struct rcu_head rcu; |
| u32 priomap_len; |
| u32 priomap[]; |
| }; |
| |
| 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_cgrp_id); |
| idx = css->cgroup->id; |
| rcu_read_unlock(); |
| return idx; |
| } |
| |
| static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd) |
| { |
| if (in_interrupt()) |
| return; |
| |
| sock_cgroup_set_prioidx(skcd, task_netprioidx(current)); |
| } |
| |
| #else /* !CONFIG_CGROUP_NET_PRIO */ |
| |
| static inline u32 task_netprioidx(struct task_struct *p) |
| { |
| return 0; |
| } |
| |
| static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd) |
| { |
| } |
| |
| #endif /* CONFIG_CGROUP_NET_PRIO */ |
| #endif /* _NET_CLS_CGROUP_H */ |