xref: /openbmc/linux/include/net/gen_stats.h (revision 95b384f9)
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_stats_basic_cpu {
10 	struct gnet_stats_basic_packed bstats;
11 	struct u64_stats_sync syncp;
12 };
13 
14 struct gnet_dump {
15 	spinlock_t *      lock;
16 	struct sk_buff *  skb;
17 	struct nlattr *   tail;
18 
19 	/* Backward compatibility */
20 	int               compat_tc_stats;
21 	int               compat_xstats;
22 	int               padattr;
23 	void *            xstats;
24 	int               xstats_len;
25 	struct tc_stats   tc_stats;
26 };
27 
28 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
29 			  struct gnet_dump *d, int padattr);
30 
31 int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
32 				 int tc_stats_type, int xstats_type,
33 				 spinlock_t *lock, struct gnet_dump *d,
34 				 int padattr);
35 
36 int gnet_stats_copy_basic(struct gnet_dump *d,
37 			  struct gnet_stats_basic_cpu __percpu *cpu,
38 			  struct gnet_stats_basic_packed *b);
39 void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
40 			     struct gnet_stats_basic_cpu __percpu *cpu,
41 			     struct gnet_stats_basic_packed *b);
42 int gnet_stats_copy_rate_est(struct gnet_dump *d,
43 			     const struct gnet_stats_basic_packed *b,
44 			     struct gnet_stats_rate_est64 *r);
45 int gnet_stats_copy_queue(struct gnet_dump *d,
46 			  struct gnet_stats_queue __percpu *cpu_q,
47 			  struct gnet_stats_queue *q, __u32 qlen);
48 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
49 
50 int gnet_stats_finish_copy(struct gnet_dump *d);
51 
52 int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
53 		      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
54 		      struct gnet_stats_rate_est64 *rate_est,
55 		      spinlock_t *stats_lock, struct nlattr *opt);
56 void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
57 			struct gnet_stats_rate_est64 *rate_est);
58 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
59 			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
60 			  struct gnet_stats_rate_est64 *rate_est,
61 			  spinlock_t *stats_lock, struct nlattr *opt);
62 bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
63 			  const struct gnet_stats_rate_est64 *rate_est);
64 #endif
65