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 
9 struct 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 
22 extern int gnet_stats_start_copy(struct sk_buff *skb, int type,
23 				 spinlock_t *lock, struct gnet_dump *d);
24 
25 extern 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 
29 extern int gnet_stats_copy_basic(struct gnet_dump *d,
30 				 struct gnet_stats_basic_packed *b);
31 extern 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);
34 extern int gnet_stats_copy_queue(struct gnet_dump *d,
35 				 struct gnet_stats_queue *q);
36 extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
37 
38 extern int gnet_stats_finish_copy(struct gnet_dump *d);
39 
40 extern 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);
43 extern void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
44 			       struct gnet_stats_rate_est *rate_est);
45 extern 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);
48 extern bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
49 				 const struct gnet_stats_rate_est *rate_est);
50 #endif
51