1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __NET_PSAMPLE_H
3*4882a593Smuzhiyun #define __NET_PSAMPLE_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <uapi/linux/psample.h>
6*4882a593Smuzhiyun #include <linux/list.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun struct psample_group {
9*4882a593Smuzhiyun struct list_head list;
10*4882a593Smuzhiyun struct net *net;
11*4882a593Smuzhiyun u32 group_num;
12*4882a593Smuzhiyun u32 refcount;
13*4882a593Smuzhiyun u32 seq;
14*4882a593Smuzhiyun struct rcu_head rcu;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun struct psample_group *psample_group_get(struct net *net, u32 group_num);
18*4882a593Smuzhiyun void psample_group_take(struct psample_group *group);
19*4882a593Smuzhiyun void psample_group_put(struct psample_group *group);
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun struct sk_buff;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_PSAMPLE)
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
26*4882a593Smuzhiyun u32 trunc_size, int in_ifindex, int out_ifindex,
27*4882a593Smuzhiyun u32 sample_rate);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #else
30*4882a593Smuzhiyun
psample_sample_packet(struct psample_group * group,struct sk_buff * skb,u32 trunc_size,int in_ifindex,int out_ifindex,u32 sample_rate)31*4882a593Smuzhiyun static inline void psample_sample_packet(struct psample_group *group,
32*4882a593Smuzhiyun struct sk_buff *skb, u32 trunc_size,
33*4882a593Smuzhiyun int in_ifindex, int out_ifindex,
34*4882a593Smuzhiyun u32 sample_rate)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun #endif
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #endif /* __NET_PSAMPLE_H */
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