Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * netprio_cgroup.h			Control Group Priority set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Authors:	Neil Horman <nhorman@tuxdriver.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef _NETPRIO_CGROUP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define _NETPRIO_CGROUP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/cgroup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/hardirq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/rcupdate.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct netprio_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	struct rcu_head rcu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	u32 priomap_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	u32 priomap[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static inline u32 task_netprioidx(struct task_struct *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct cgroup_subsys_state *css;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	u32 idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	css = task_css(p, net_prio_cgrp_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	idx = css->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	return idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	if (in_interrupt())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	sock_cgroup_set_prioidx(skcd, task_netprioidx(current));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #else /* !CONFIG_CGROUP_NET_PRIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline u32 task_netprioidx(struct task_struct *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #endif /* CONFIG_CGROUP_NET_PRIO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #endif  /* _NET_CLS_CGROUP_H */