Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / gen_stats.h

diff --git a/kernel/include/net/gen_stats.h b/kernel/include/net/gen_stats.h
new file mode 100644 (file)
index 0000000..cbafa37
--- /dev/null
+++ b/kernel/include/net/gen_stats.h
@@ -0,0 +1,62 @@
+#ifndef __NET_GEN_STATS_H
+#define __NET_GEN_STATS_H
+
+#include <linux/gen_stats.h>
+#include <linux/socket.h>
+#include <linux/rtnetlink.h>
+#include <linux/pkt_sched.h>
+
+struct gnet_stats_basic_cpu {
+       struct gnet_stats_basic_packed bstats;
+       struct u64_stats_sync syncp;
+};
+
+struct gnet_dump {
+       spinlock_t *      lock;
+       struct sk_buff *  skb;
+       struct nlattr *   tail;
+
+       /* Backward compatibility */
+       int               compat_tc_stats;
+       int               compat_xstats;
+       void *            xstats;
+       int               xstats_len;
+       struct tc_stats   tc_stats;
+};
+
+int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
+                         struct gnet_dump *d);
+
+int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
+                                int tc_stats_type, int xstats_type,
+                                spinlock_t *lock, struct gnet_dump *d);
+
+int gnet_stats_copy_basic(struct gnet_dump *d,
+                         struct gnet_stats_basic_cpu __percpu *cpu,
+                         struct gnet_stats_basic_packed *b);
+void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
+                            struct gnet_stats_basic_cpu __percpu *cpu,
+                            struct gnet_stats_basic_packed *b);
+int gnet_stats_copy_rate_est(struct gnet_dump *d,
+                            const struct gnet_stats_basic_packed *b,
+                            struct gnet_stats_rate_est64 *r);
+int gnet_stats_copy_queue(struct gnet_dump *d,
+                         struct gnet_stats_queue __percpu *cpu_q,
+                         struct gnet_stats_queue *q, __u32 qlen);
+int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
+
+int gnet_stats_finish_copy(struct gnet_dump *d);
+
+int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
+                     struct gnet_stats_basic_cpu __percpu *cpu_bstats,
+                     struct gnet_stats_rate_est64 *rate_est,
+                     spinlock_t *stats_lock, struct nlattr *opt);
+void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
+                       struct gnet_stats_rate_est64 *rate_est);
+int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
+                         struct gnet_stats_basic_cpu __percpu *cpu_bstats,
+                         struct gnet_stats_rate_est64 *rate_est,
+                         spinlock_t *stats_lock, struct nlattr *opt);
+bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
+                         const struct gnet_stats_rate_est64 *rate_est);
+#endif