diff options
Diffstat (limited to 'include/net/netprio_cgroup.h')
| -rw-r--r-- | include/net/netprio_cgroup.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h new file mode 100644 index 00000000..50ab8c26 --- /dev/null +++ b/include/net/netprio_cgroup.h @@ -0,0 +1,75 @@ +/* + * netprio_cgroup.h Control Group Priority set + * + * + * Authors: Neil Horman <nhorman@tuxdriver.com> + * + * 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. + * + */ + +#ifndef _NETPRIO_CGROUP_H +#define _NETPRIO_CGROUP_H +#include <linux/cgroup.h> +#include <linux/hardirq.h> +#include <linux/rcupdate.h> + + +#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) +struct netprio_map { + struct rcu_head rcu; + u32 priomap_len; + u32 priomap[]; +}; + +struct cgroup_netprio_state { + struct cgroup_subsys_state css; +}; + +extern void sock_update_netprioidx(struct sock *sk); + +#if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) +{ + struct cgroup_subsys_state *css; + u32 idx; + + rcu_read_lock(); + css = task_subsys_state(p, net_prio_subsys_id); + idx = css->cgroup->id; + rcu_read_unlock(); + return idx; +} + +#elif IS_MODULE(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) +{ + struct cgroup_subsys_state *css; + u32 idx = 0; + + rcu_read_lock(); + css = task_subsys_state(p, net_prio_subsys_id); + if (css) + idx = css->cgroup->id; + rcu_read_unlock(); + return idx; +} +#endif + +#else /* !CONFIG_NETPRIO_CGROUP */ + +static inline u32 task_netprioidx(struct task_struct *p) +{ + return 0; +} + +#define sock_update_netprioidx(sk) + +#endif /* CONFIG_NETPRIO_CGROUP */ + +#endif /* _NET_CLS_CGROUP_H */ |