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/* 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, unused:5; }; 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, struct sk_buff *skb, u32 sample_rate, const struct psample_metadata *md); #else static inline void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, u32 sample_rate, const struct psample_metadata *md) { } #endif #endif /* __NET_PSAMPLE_H */