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
22int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
23			  struct gnet_dump *d);
24
25int 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
29int gnet_stats_copy_basic(struct gnet_dump *d,
 
 
30			  struct gnet_stats_basic_packed *b);
 
 
 
 
 
 
 
 
31int gnet_stats_copy_rate_est(struct gnet_dump *d,
32			     const struct gnet_stats_basic_packed *b,
33			     struct gnet_stats_rate_est64 *r);
34int gnet_stats_copy_queue(struct gnet_dump *d, struct gnet_stats_queue *q);
 
 
 
 
35int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
36
37int gnet_stats_finish_copy(struct gnet_dump *d);
38
39int 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);
42void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
43			struct gnet_stats_rate_est64 *rate_est);
 
44int 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);
47bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
48			  const struct gnet_stats_rate_est64 *rate_est);
 
 
 
49#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} __aligned(2 * sizeof(u64));
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_basic_hw(const seqcount_t *running,
48			     struct gnet_dump *d,
49			     struct gnet_stats_basic_cpu __percpu *cpu,
50			     struct gnet_stats_basic_packed *b);
51int gnet_stats_copy_rate_est(struct gnet_dump *d,
52			     struct net_rate_estimator __rcu **ptr);
53int gnet_stats_copy_queue(struct gnet_dump *d,
54			  struct gnet_stats_queue __percpu *cpu_q,
55			  struct gnet_stats_queue *q, __u32 qlen);
56void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats,
57			     const struct gnet_stats_queue __percpu *cpu_q,
58			     const struct gnet_stats_queue *q, __u32 qlen);
59int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
60
61int gnet_stats_finish_copy(struct gnet_dump *d);
62
63int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
64		      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
65		      struct net_rate_estimator __rcu **rate_est,
66		      spinlock_t *lock,
67		      seqcount_t *running, struct nlattr *opt);
68void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
69int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
70			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
71			  struct net_rate_estimator __rcu **ptr,
72			  spinlock_t *lock,
73			  seqcount_t *running, struct nlattr *opt);
74bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
75bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
76			struct gnet_stats_rate_est64 *sample);
77#endif