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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* netprio_cgroup.h Control Group Priority set
*
* Authors: Neil Horman <nhorman@tuxdriver.com>
*/
#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 */
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