cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

netprio_cgroup.h (1047B)

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