Initial file dump from open source releaseHEADmaster

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 */