Commit | Line | Data |
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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 | ||
4d390c28 ED |
10 | /* Note: this used to be in include/uapi/linux/gen_stats.h */ |
11 | struct gnet_stats_basic_packed { | |
12 | __u64 bytes; | |
d0083d98 ED |
13 | __u64 packets; |
14 | }; | |
4d390c28 | 15 | |
22e0f8b9 JF |
16 | struct gnet_stats_basic_cpu { |
17 | struct gnet_stats_basic_packed bstats; | |
18 | struct u64_stats_sync syncp; | |
001c96db | 19 | } __aligned(2 * sizeof(u64)); |
22e0f8b9 | 20 | |
1c0d32fd ED |
21 | struct net_rate_estimator; |
22 | ||
fd2c3ef7 | 23 | struct gnet_dump { |
1da177e4 LT |
24 | spinlock_t * lock; |
25 | struct sk_buff * skb; | |
1e90474c | 26 | struct nlattr * tail; |
1da177e4 | 27 | |
25985edc | 28 | /* Backward compatibility */ |
1da177e4 LT |
29 | int compat_tc_stats; |
30 | int compat_xstats; | |
9854518e | 31 | int padattr; |
1da177e4 LT |
32 | void * xstats; |
33 | int xstats_len; | |
34 | struct tc_stats tc_stats; | |
35 | }; | |
36 | ||
8aae218f | 37 | int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, |
9854518e | 38 | struct gnet_dump *d, int padattr); |
8aae218f JP |
39 | |
40 | int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, | |
41 | int tc_stats_type, int xstats_type, | |
9854518e ND |
42 | spinlock_t *lock, struct gnet_dump *d, |
43 | int padattr); | |
1da177e4 | 44 | |
edb09eb1 ED |
45 | int gnet_stats_copy_basic(const seqcount_t *running, |
46 | struct gnet_dump *d, | |
22e0f8b9 | 47 | struct gnet_stats_basic_cpu __percpu *cpu, |
8aae218f | 48 | struct gnet_stats_basic_packed *b); |
edb09eb1 ED |
49 | void __gnet_stats_copy_basic(const seqcount_t *running, |
50 | struct gnet_stats_basic_packed *bstats, | |
22e0f8b9 JF |
51 | struct gnet_stats_basic_cpu __percpu *cpu, |
52 | struct gnet_stats_basic_packed *b); | |
5e111210 EC |
53 | int gnet_stats_copy_basic_hw(const seqcount_t *running, |
54 | struct gnet_dump *d, | |
55 | struct gnet_stats_basic_cpu __percpu *cpu, | |
56 | struct gnet_stats_basic_packed *b); | |
8aae218f | 57 | int gnet_stats_copy_rate_est(struct gnet_dump *d, |
1c0d32fd | 58 | struct net_rate_estimator __rcu **ptr); |
64015853 | 59 | int gnet_stats_copy_queue(struct gnet_dump *d, |
b0ab6f92 JF |
60 | struct gnet_stats_queue __percpu *cpu_q, |
61 | struct gnet_stats_queue *q, __u32 qlen); | |
b01ac095 JF |
62 | void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats, |
63 | const struct gnet_stats_queue __percpu *cpu_q, | |
64 | const struct gnet_stats_queue *q, __u32 qlen); | |
8aae218f JP |
65 | int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); |
66 | ||
67 | int gnet_stats_finish_copy(struct gnet_dump *d); | |
68 | ||
69 | int gen_new_estimator(struct gnet_stats_basic_packed *bstats, | |
22e0f8b9 | 70 | struct gnet_stats_basic_cpu __percpu *cpu_bstats, |
1c0d32fd | 71 | struct net_rate_estimator __rcu **rate_est, |
51a9f5ae | 72 | spinlock_t *lock, |
edb09eb1 | 73 | seqcount_t *running, struct nlattr *opt); |
1c0d32fd | 74 | void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); |
8aae218f | 75 | int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, |
22e0f8b9 | 76 | struct gnet_stats_basic_cpu __percpu *cpu_bstats, |
1c0d32fd | 77 | struct net_rate_estimator __rcu **ptr, |
51a9f5ae | 78 | spinlock_t *lock, |
edb09eb1 | 79 | seqcount_t *running, struct nlattr *opt); |
1c0d32fd ED |
80 | bool gen_estimator_active(struct net_rate_estimator __rcu **ptr); |
81 | bool gen_estimator_read(struct net_rate_estimator __rcu **ptr, | |
82 | struct gnet_stats_rate_est64 *sample); | |
1da177e4 | 83 | #endif |