LCOV - code coverage report
Current view: top level - include/net - netprio_cgroup.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 2 2 100.0 %
Date: 2021-04-22 12:43:58 Functions: 0 0 -

          Line data    Source code
       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)
      16             : struct netprio_map {
      17             :         struct rcu_head rcu;
      18             :         u32 priomap_len;
      19             :         u32 priomap[];
      20             : };
      21             : 
      22             : static 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             : 
      34             : static 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             : 
      44             : static inline u32 task_netprioidx(struct task_struct *p)
      45             : {
      46             :         return 0;
      47             : }
      48             : 
      49         833 : static inline void sock_update_netprioidx(struct sock_cgroup_data *skcd)
      50             : {
      51         833 : }
      52             : 
      53             : #endif /* CONFIG_CGROUP_NET_PRIO */
      54             : #endif  /* _NET_CLS_CGROUP_H */

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