/* SPDX-License-Identifier: GPL-2.0 */#ifndef __NET_PSAMPLE_H#define __NET_PSAMPLE_H #include <uapi/linux/psample.h>#include <linux/list.h> struct psample_group {	struct list_head list;	struct net *net;	u32 group_num;	u32 refcount;	u32 seq;	struct rcu_head rcu;}; struct psample_metadata {	u32 trunc_size;	int in_ifindex;	int out_ifindex;	u16 out_tc;	u64 out_tc_occ;	/* bytes */	u64 latency;	/* nanoseconds */	u8 out_tc_valid:1,	   out_tc_occ_valid:1,	   latency_valid:1,	   rate_as_probability:1,	   unused:4;	const u8 *user_cookie;	u32 user_cookie_len;}; struct psample_group *psample_group_get(struct net *net, u32 group_num);void psample_group_take(struct psample_group *group);void psample_group_put(struct psample_group *group); struct sk_buff; #if IS_ENABLED(CONFIG_PSAMPLE) void psample_sample_packet(struct psample_group *group,			   const struct sk_buff *skb, u32 sample_rate,			   const struct psample_metadata *md); #else static inline void psample_sample_packet(struct psample_group *group,					 const struct sk_buff *skb,					 u32 sample_rate,					 const struct psample_metadata *md){} #endif #endif /* __NET_PSAMPLE_H */