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 */ 52