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