2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1 KiB
C
55 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* netprio_cgroup.h Control Group Priority set
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*
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* Authors: Neil Horman <nhorman@tuxdriver.com>
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*/
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#ifndef _NETPRIO_CGROUP_H
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#define _NETPRIO_CGROUP_H
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#include <linux/cgroup.h>
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#include <linux/hardirq.h>
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#include <linux/rcupdate.h>
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#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO)
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struct netprio_map {
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struct rcu_head rcu;
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u32 priomap_len;
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u32 priomap[];
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};
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static inline u32 task_netprioidx(struct task_struct *p)
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{
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struct cgroup_subsys_state *css;
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u32 idx;
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rcu_read_lock();
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css = task_css(p, net_prio_cgrp_id);
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idx = css->cgroup->id;
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rcu_read_unlock();
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return idx;
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}
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static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
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{
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if (in_interrupt())
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return;
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sock_cgroup_set_prioidx(skcd, task_netprioidx(current));
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}
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#else /* !CONFIG_CGROUP_NET_PRIO */
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static inline u32 task_netprioidx(struct task_struct *p)
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{
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return 0;
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}
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static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
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{
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}
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#endif /* CONFIG_CGROUP_NET_PRIO */
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#endif /* _NET_CLS_CGROUP_H */
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