psample.h (1083B)
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 8struct 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 17struct psample_metadata { 18 u32 trunc_size; 19 int in_ifindex; 20 int out_ifindex; 21 u16 out_tc; 22 u64 out_tc_occ; /* bytes */ 23 u64 latency; /* nanoseconds */ 24 u8 out_tc_valid:1, 25 out_tc_occ_valid:1, 26 latency_valid:1, 27 unused:5; 28}; 29 30struct psample_group *psample_group_get(struct net *net, u32 group_num); 31void psample_group_take(struct psample_group *group); 32void psample_group_put(struct psample_group *group); 33 34struct sk_buff; 35 36#if IS_ENABLED(CONFIG_PSAMPLE) 37 38void psample_sample_packet(struct psample_group *group, struct sk_buff *skb, 39 u32 sample_rate, const struct psample_metadata *md); 40 41#else 42 43static inline void psample_sample_packet(struct psample_group *group, 44 struct sk_buff *skb, u32 sample_rate, 45 const struct psample_metadata *md) 46{ 47} 48 49#endif 50 51#endif /* __NET_PSAMPLE_H */