1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NET_TC_CSUM_H 3 #define __NET_TC_CSUM_H 4 5 #include <linux/types.h> 6 #include <net/act_api.h> 7 #include <linux/tc_act/tc_csum.h> 8 9 struct tcf_csum_params { 10 u32 update_flags; 11 struct rcu_head rcu; 12 }; 13 14 struct tcf_csum { 15 struct tc_action common; 16 17 struct tcf_csum_params __rcu *params; 18 }; 19 #define to_tcf_csum(a) ((struct tcf_csum *)a) 20 21 static inline bool is_tcf_csum(const struct tc_action *a) 22 { 23 #ifdef CONFIG_NET_CLS_ACT 24 if (a->ops && a->ops->id == TCA_ID_CSUM) 25 return true; 26 #endif 27 return false; 28 } 29 30 static inline u32 tcf_csum_update_flags(const struct tc_action *a) 31 { 32 u32 update_flags; 33 34 rcu_read_lock(); 35 update_flags = rcu_dereference(to_tcf_csum(a)->params)->update_flags; 36 rcu_read_unlock(); 37 38 return update_flags; 39 } 40 41 #endif /* __NET_TC_CSUM_H */ 42