include/net/tc_act/tc_sample.h

   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
   9 struct 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
  21 static 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
  30 static inline __u32 tcf_sample_rate(const struct tc_action *a)
  31 {
  32         return to_sample(a)->rate;
  33 }
  34
  35 static inline bool tcf_sample_truncate(const struct tc_action *a)
  36 {
  37         return to_sample(a)->truncate;
  38 }
  39
  40 static inline int tcf_sample_trunc_size(const struct tc_action *a)
  41 {
  42         return to_sample(a)->trunc_size;
  43 }
  44
  45 static inline struct psample_group *
  46 tcf_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 */