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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
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 | ||
22e0f8b9 JF |
10 | struct gnet_stats_basic_cpu { |
11 | struct gnet_stats_basic_packed bstats; | |
12 | struct u64_stats_sync syncp; | |
001c96db | 13 | } __aligned(2 * sizeof(u64)); |
22e0f8b9 | 14 | |
1c0d32fd ED |
15 | struct net_rate_estimator; |
16 | ||
fd2c3ef7 | 17 | struct gnet_dump { |
1da177e4 LT |
18 | spinlock_t * lock; |
19 | struct sk_buff * skb; | |
1e90474c | 20 | struct nlattr * tail; |
1da177e4 | 21 | |
25985edc | 22 | /* Backward compatibility */ |
1da177e4 LT |
23 | int compat_tc_stats; |
24 | int compat_xstats; | |
9854518e | 25 | int padattr; |
1da177e4 LT |
26 | void * xstats; |
27 | int xstats_len; | |
28 | struct tc_stats tc_stats; | |
29 | }; | |
30 | ||
8aae218f | 31 | int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, |
9854518e | 32 | struct gnet_dump *d, int padattr); |
8aae218f JP |
33 | |
34 | int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, | |
35 | int tc_stats_type, int xstats_type, | |
9854518e ND |
36 | spinlock_t *lock, struct gnet_dump *d, |
37 | int padattr); | |
1da177e4 | 38 | |
edb09eb1 ED |
39 | int gnet_stats_copy_basic(const seqcount_t *running, |
40 | struct gnet_dump *d, | |
22e0f8b9 | 41 | struct gnet_stats_basic_cpu __percpu *cpu, |
8aae218f | 42 | struct gnet_stats_basic_packed *b); |
edb09eb1 ED |
43 | void __gnet_stats_copy_basic(const seqcount_t *running, |
44 | struct gnet_stats_basic_packed *bstats, | |
22e0f8b9 JF |
45 | struct gnet_stats_basic_cpu __percpu *cpu, |
46 | struct gnet_stats_basic_packed *b); | |
5e111210 EC |
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); | |
8aae218f | 51 | int gnet_stats_copy_rate_est(struct gnet_dump *d, |
1c0d32fd | 52 | struct net_rate_estimator __rcu **ptr); |
64015853 | 53 | int gnet_stats_copy_queue(struct gnet_dump *d, |
b0ab6f92 JF |
54 | struct gnet_stats_queue __percpu *cpu_q, |
55 | struct gnet_stats_queue *q, __u32 qlen); | |
b01ac095 JF |
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); | |
8aae218f JP |
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, | |
22e0f8b9 | 64 | struct gnet_stats_basic_cpu __percpu *cpu_bstats, |
1c0d32fd | 65 | struct net_rate_estimator __rcu **rate_est, |
51a9f5ae | 66 | spinlock_t *lock, |
edb09eb1 | 67 | seqcount_t *running, struct nlattr *opt); |
1c0d32fd | 68 | void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); |
8aae218f | 69 | int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, |
22e0f8b9 | 70 | struct gnet_stats_basic_cpu __percpu *cpu_bstats, |
1c0d32fd | 71 | struct net_rate_estimator __rcu **ptr, |
51a9f5ae | 72 | spinlock_t *lock, |
edb09eb1 | 73 | seqcount_t *running, struct nlattr *opt); |
1c0d32fd ED |
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); | |
1da177e4 | 77 | #endif |