include/net/psample.h

   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
  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 */