xref: /linux/include/net/gen_stats.h (revision 5d43889c07bb38694742936aa70d1187c012e198)
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 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
23 			  struct gnet_dump *d);
24 
25 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 int gnet_stats_copy_basic(struct gnet_dump *d,
30 			  struct gnet_stats_basic_packed *b);
31 int gnet_stats_copy_rate_est(struct gnet_dump *d,
32 			     const struct gnet_stats_basic_packed *b,
33 			     struct gnet_stats_rate_est64 *r);
34 int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q);
35 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
36 
37 int gnet_stats_finish_copy(struct gnet_dump *d);
38 
39 int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
40 		      struct gnet_stats_rate_est64 *rate_est,
41 		      spinlock_t *stats_lock, struct nlattr *opt);
42 void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
43 			struct gnet_stats_rate_est64 *rate_est);
44 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
45 			  struct gnet_stats_rate_est64 *rate_est,
46 			  spinlock_t *stats_lock, struct nlattr *opt);
47 bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
48 			  const struct gnet_stats_rate_est64 *rate_est);
49 #endif
50