usb: uas: add support for more quirk flags
[platform/kernel/linux-rpi.git] / include / net / gen_stats.h
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
10 struct gnet_stats_basic_cpu {
11         struct gnet_stats_basic_packed bstats;
12         struct u64_stats_sync syncp;
13 };
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         /* 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
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_rate_est(struct gnet_dump *d,
48                              struct net_rate_estimator __rcu **ptr);
49 int gnet_stats_copy_queue(struct gnet_dump *d,
50                           struct gnet_stats_queue __percpu *cpu_q,
51                           struct gnet_stats_queue *q, __u32 qlen);
52 void __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);
55 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
56
57 int gnet_stats_finish_copy(struct gnet_dump *d);
58
59 int 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 *lock,
63                       seqcount_t *running, struct nlattr *opt);
64 void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
65 int 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 *lock,
69                           seqcount_t *running, struct nlattr *opt);
70 bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
71 bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
72                         struct gnet_stats_rate_est64 *sample);
73 #endif