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 16 #include <linux/module.h> 17 #include <linux/cgroup.h> 18 #include <linux/hardirq.h> 19 #include <linux/rcupdate.h> 20 21 22 struct netprio_map { 23 struct rcu_head rcu; 24 u32 priomap_len; 25 u32 priomap[]; 26 }; 27 28 #ifdef CONFIG_CGROUPS 29 30 struct cgroup_netprio_state { 31 struct cgroup_subsys_state css; 32 u32 prioidx; 33 }; 34 35 #ifndef CONFIG_NETPRIO_CGROUP 36 extern int net_prio_subsys_id; 37 #endif 38 39 extern void sock_update_netprioidx(struct sock *sk); 40 41 static inline struct cgroup_netprio_state 42 *task_netprio_state(struct task_struct *p) 43 { 44 #if IS_ENABLED(CONFIG_NETPRIO_CGROUP) 45 return container_of(task_subsys_state(p, net_prio_subsys_id), 46 struct cgroup_netprio_state, css); 47 #else 48 return NULL; 49 #endif 50 } 51 52 #else 53 54 #define sock_update_netprioidx(sk) 55 #endif 56 57 #endif /* _NET_CLS_CGROUP_H */ 58