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/module.h>
   7 #include <linux/list.h>
   8
   9 struct psample_group {
  10         struct list_head list;
  11         struct net *net;
  12         u32 group_num;
  13         u32 refcount;
  14         u32 seq;
  15         struct rcu_head rcu;
  16 };
  17
  18 struct psample_group *psample_group_get(struct net *net, u32 group_num);
  19 void psample_group_put(struct psample_group *group);
  20
  21 struct sk_buff;
  22
  23 #if IS_ENABLED(CONFIG_PSAMPLE)
  24
  25 void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
  26                            u32 trunc_size, int in_ifindex, int out_ifindex,
  27                            u32 sample_rate);
  28
  29 #else
  30
  31 static inline void psample_sample_packet(struct psample_group *group,
  32                                          struct sk_buff *skb, u32 trunc_size,
  33                                          int in_ifindex, int out_ifindex,
  34                                          u32 sample_rate)
  35 {
  36 }
  37
  38 #endif
  39
  40 #endif /* __NET_PSAMPLE_H */