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86f8515f97
While we're at it and introduced CGROUP_NET_CLASSID, lets also make
NETPRIO_CGROUP more consistent with the rest of cgroups and rename it
into CONFIG_CGROUP_NET_PRIO so that for networking, we now have
CONFIG_CGROUP_NET_{PRIO,CLASSID}. This not only makes the CONFIG
option consistent among networking cgroups, but also among cgroups
CONFIG conventions in general as the vast majority has a prefix of
CONFIG_CGROUP_<SUBSYS>.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: cgroups@vger.kernel.org
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*
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* netprio_cgroup.h Control Group Priority set
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*
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*
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* Authors: Neil Horman <nhorman@tuxdriver.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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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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void sock_update_netprioidx(struct sock *sk);
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#if IS_BUILTIN(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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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_subsys_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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#elif IS_MODULE(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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struct cgroup_subsys_state *css;
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u32 idx = 0;
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rcu_read_lock();
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css = task_css(p, net_prio_subsys_id);
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if (css)
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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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#endif
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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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#define sock_update_netprioidx(sk)
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#endif /* CONFIG_CGROUP_NET_PRIO */
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#endif /* _NET_CLS_CGROUP_H */
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