Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __NET_PSAMPLE_H
3#define __NET_PSAMPLE_H
4
5#include <uapi/linux/psample.h>
6#include <linux/list.h>
7
8struct psample_group {
9 struct list_head list;
10 struct net *net;
11 u32 group_num;
12 u32 refcount;
13 u32 seq;
14 struct rcu_head rcu;
15};
16
17struct psample_group *psample_group_get(struct net *net, u32 group_num);
18void psample_group_take(struct psample_group *group);
19void psample_group_put(struct psample_group *group);
20
21#if IS_ENABLED(CONFIG_PSAMPLE)
22
23void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
24 u32 trunc_size, int in_ifindex, int out_ifindex,
25 u32 sample_rate);
26
27#else
28
29static inline void psample_sample_packet(struct psample_group *group,
30 struct sk_buff *skb, u32 trunc_size,
31 int in_ifindex, int out_ifindex,
32 u32 sample_rate)
33{
34}
35
36#endif
37
38#endif /* __NET_PSAMPLE_H */