LXR linux/include/net/tc_act/tc

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __NET_TC_SAMPLE_H
   3#define __NET_TC_SAMPLE_H
   4
   5#include <net/act_api.h>
   6#include <linux/tc_act/tc_sample.h>
   7#include <net/psample.h>
   8
   9struct tcf_sample {
  10        struct tc_action common;
  11        u32 rate;
  12        bool truncate;
  13        u32 trunc_size;
  14        struct psample_group __rcu *psample_group;
  15        u32 psample_group_num;
  16        struct list_head tcfm_list;
  17        struct rcu_head rcu;
  18};
  19#define to_sample(a) ((struct tcf_sample *)a)
  20
  21static inline bool is_tcf_sample(const struct tc_action *a)
  22{
  23#ifdef CONFIG_NET_CLS_ACT
  24        return a->ops && a->ops->type == TCA_ACT_SAMPLE;
  25#else
  26        return false;
  27#endif
  28}
  29
  30static inline __u32 tcf_sample_rate(const struct tc_action *a)
  31{
  32        return to_sample(a)->rate;
  33}
  34
  35static inline bool tcf_sample_truncate(const struct tc_action *a)
  36{
  37        return to_sample(a)->truncate;
  38}
  39
  40static inline int tcf_sample_trunc_size(const struct tc_action *a)
  41{
  42        return to_sample(a)->trunc_size;
  43}
  44
  45static inline struct psample_group *
  46tcf_sample_psample_group(const struct tc_action *a)
  47{
  48        return rcu_dereference(to_sample(a)->psample_group);
  49}
  50
  51#endif /* __NET_TC_SAMPLE_H */
  52