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/module.h>
7 #include <linux/list.h>
8
9 struct psample_group {
10 struct list_head list;
11 struct net *net;
12 u32 group_num;
13 u32 refcount;
14 u32 seq;
15 struct rcu_head rcu;
16 };
17
18 struct psample_group *psample_group_get(struct net *net, u32 group_num);
19 void psample_group_put(struct psample_group *group);
20
21 struct sk_buff;
22
23 #if IS_ENABLED(CONFIG_PSAMPLE)
24
25 void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
26 u32 trunc_size, int in_ifindex, int out_ifindex,
27 u32 sample_rate);
28
29 #else
30
psample_sample_packet(struct psample_group * group,struct sk_buff * skb,u32 trunc_size,int in_ifindex,int out_ifindex,u32 sample_rate)31 static inline void psample_sample_packet(struct psample_group *group,
32 struct sk_buff *skb, u32 trunc_size,
33 int in_ifindex, int out_ifindex,
34 u32 sample_rate)
35 {
36 }
37
38 #endif
39
40 #endif /* __NET_PSAMPLE_H */
41