1
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
10 struct gnet_stats_basic_cpu {
11 struct gnet_stats_basic_packed bstats;
12 struct u64_stats_sync syncp;
13 } __aligned(2 * sizeof(u64));
14
15 struct net_rate_estimator;
16
17 struct gnet_dump {
18 spinlock_t * lock;
19 struct sk_buff * skb;
20 struct nlattr * tail;
21
22
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
31 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
32 struct gnet_dump *d, int padattr);
33
34 int 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
39 int 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);
43 void __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);
47 int 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);
51 int gnet_stats_copy_rate_est(struct gnet_dump *d,
52 struct net_rate_estimator __rcu **ptr);
53 int gnet_stats_copy_queue(struct gnet_dump *d,
54 struct gnet_stats_queue __percpu *cpu_q,
55 struct gnet_stats_queue *q, __u32 qlen);
56 void __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);
59 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
60
61 int gnet_stats_finish_copy(struct gnet_dump *d);
62
63 int 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);
68 void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
69 int 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);
74 bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
75 bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
76 struct gnet_stats_rate_est64 *sample);
77 #endif