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 
8 struct 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 
17 struct psample_group *psample_group_get(struct net *net, u32 group_num);
18 void psample_group_take(struct psample_group *group);
19 void psample_group_put(struct psample_group *group);
20 
21 #if IS_ENABLED(CONFIG_PSAMPLE)
22 
23 void 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 
psample_sample_packet(struct psample_group * group,struct sk_buff * skb,u32 trunc_size,int in_ifindex,int out_ifindex,u32 sample_rate)29 static 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 */
39