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/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __NET_GEN_STATS_H
 3#define __NET_GEN_STATS_H
 4
 5#include <linux/gen_stats.h>
 6#include <linux/socket.h>
 7#include <linux/rtnetlink.h>
 8#include <linux/pkt_sched.h>
 9
10struct gnet_stats_basic_cpu {
11	struct gnet_stats_basic_packed bstats;
12	struct u64_stats_sync syncp;
13};
14
15struct net_rate_estimator;
16
17struct gnet_dump {
18	spinlock_t *      lock;
19	struct sk_buff *  skb;
20	struct nlattr *   tail;
21
22	/* Backward compatibility */
23	int               compat_tc_stats;
24	int               compat_xstats;
25	int               padattr;
26	void *            xstats;
27	int               xstats_len;
28	struct tc_stats   tc_stats;
29};
30
31int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
32			  struct gnet_dump *d, int padattr);
33
34int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
35				 int tc_stats_type, int xstats_type,
36				 spinlock_t *lock, struct gnet_dump *d,
37				 int padattr);
38
39int gnet_stats_copy_basic(const seqcount_t *running,
40			  struct gnet_dump *d,
41			  struct gnet_stats_basic_cpu __percpu *cpu,
42			  struct gnet_stats_basic_packed *b);
43void __gnet_stats_copy_basic(const seqcount_t *running,
44			     struct gnet_stats_basic_packed *bstats,
45			     struct gnet_stats_basic_cpu __percpu *cpu,
46			     struct gnet_stats_basic_packed *b);
47int gnet_stats_copy_rate_est(struct gnet_dump *d,
48			     struct net_rate_estimator __rcu **ptr);
49int gnet_stats_copy_queue(struct gnet_dump *d,
50			  struct gnet_stats_queue __percpu *cpu_q,
51			  struct gnet_stats_queue *q, __u32 qlen);
52void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
53			     const struct gnet_stats_queue __percpu *cpu_q,
54			     const struct gnet_stats_queue *q, __u32 qlen);
55int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
56
57int gnet_stats_finish_copy(struct gnet_dump *d);
58
59int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
60		      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
61		      struct net_rate_estimator __rcu **rate_est,
62		      spinlock_t *stats_lock,
63		      seqcount_t *running, struct nlattr *opt);
64void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
65int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
66			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
67			  struct net_rate_estimator __rcu **ptr,
68			  spinlock_t *stats_lock,
69			  seqcount_t *running, struct nlattr *opt);
70bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
71bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
72			struct gnet_stats_rate_est64 *sample);
73#endif