1#ifndef __NET_GEN_STATS_H
 2#define __NET_GEN_STATS_H
 3
 4#include <linux/gen_stats.h>
 5#include <linux/socket.h>
 6#include <linux/rtnetlink.h>
 7#include <linux/pkt_sched.h>
 8
 
 
 
 
 
 
 
 9struct gnet_dump {
10	spinlock_t *      lock;
11	struct sk_buff *  skb;
12	struct nlattr *   tail;
13
14	/* Backward compatibility */
15	int               compat_tc_stats;
16	int               compat_xstats;
 
17	void *            xstats;
18	int               xstats_len;
19	struct tc_stats   tc_stats;
20};
21
22extern int gnet_stats_start_copy(struct sk_buff *skb, int type,
23				 spinlock_t *lock, struct gnet_dump *d);
24
25extern int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
26					int tc_stats_type,int xstats_type,
27					spinlock_t *lock, struct gnet_dump *d);
28
29extern int gnet_stats_copy_basic(struct gnet_dump *d,
30				 struct gnet_stats_basic_packed *b);
31extern int gnet_stats_copy_rate_est(struct gnet_dump *d,
32				    const struct gnet_stats_basic_packed *b,
33				    struct gnet_stats_rate_est *r);
34extern int gnet_stats_copy_queue(struct gnet_dump *d,
35				 struct gnet_stats_queue *q);
36extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
37
38extern int gnet_stats_finish_copy(struct gnet_dump *d);
39
40extern int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
41			     struct gnet_stats_rate_est *rate_est,
42			     spinlock_t *stats_lock, struct nlattr *opt);
43extern void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
44			       struct gnet_stats_rate_est *rate_est);
45extern int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
46				 struct gnet_stats_rate_est *rate_est,
47				 spinlock_t *stats_lock, struct nlattr *opt);
48extern bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
49				 const struct gnet_stats_rate_est *rate_est);
 
 
 
 
 
 
 
 
 
 
 
50#endif

 1#ifndef __NET_GEN_STATS_H
 2#define __NET_GEN_STATS_H
 3
 4#include <linux/gen_stats.h>
 5#include <linux/socket.h>
 6#include <linux/rtnetlink.h>
 7#include <linux/pkt_sched.h>
 8
 9struct gnet_stats_basic_cpu {
10	struct gnet_stats_basic_packed bstats;
11	struct u64_stats_sync syncp;
12};
13
14struct net_rate_estimator;
15
16struct gnet_dump {
17	spinlock_t *      lock;
18	struct sk_buff *  skb;
19	struct nlattr *   tail;
20
21	/* Backward compatibility */
22	int               compat_tc_stats;
23	int               compat_xstats;
24	int               padattr;
25	void *            xstats;
26	int               xstats_len;
27	struct tc_stats   tc_stats;
28};
29
30int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
31			  struct gnet_dump *d, int padattr);
32
33int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
34				 int tc_stats_type, int xstats_type,
35				 spinlock_t *lock, struct gnet_dump *d,
36				 int padattr);
37
38int gnet_stats_copy_basic(const seqcount_t *running,
39			  struct gnet_dump *d,
40			  struct gnet_stats_basic_cpu __percpu *cpu,
41			  struct gnet_stats_basic_packed *b);
42void __gnet_stats_copy_basic(const seqcount_t *running,
43			     struct gnet_stats_basic_packed *bstats,
44			     struct gnet_stats_basic_cpu __percpu *cpu,
45			     struct gnet_stats_basic_packed *b);
46int gnet_stats_copy_rate_est(struct gnet_dump *d,
47			     struct net_rate_estimator __rcu **ptr);
48int gnet_stats_copy_queue(struct gnet_dump *d,
49			  struct gnet_stats_queue __percpu *cpu_q,
50			  struct gnet_stats_queue *q, __u32 qlen);
51int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
52
53int gnet_stats_finish_copy(struct gnet_dump *d);
54
55int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
56		      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
57		      struct net_rate_estimator __rcu **rate_est,
58		      spinlock_t *stats_lock,
59		      seqcount_t *running, struct nlattr *opt);
60void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
61int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
62			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
63			  struct net_rate_estimator __rcu **ptr,
64			  spinlock_t *stats_lock,
65			  seqcount_t *running, struct nlattr *opt);
66bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
67bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
68			struct gnet_stats_rate_est64 *sample);
69#endif