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