1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __NET_TC_CSUM_H 3*4882a593Smuzhiyun #define __NET_TC_CSUM_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun #include <net/act_api.h> 7*4882a593Smuzhiyun #include <linux/tc_act/tc_csum.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun struct tcf_csum_params { 10*4882a593Smuzhiyun u32 update_flags; 11*4882a593Smuzhiyun struct rcu_head rcu; 12*4882a593Smuzhiyun }; 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct tcf_csum { 15*4882a593Smuzhiyun struct tc_action common; 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun struct tcf_csum_params __rcu *params; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun #define to_tcf_csum(a) ((struct tcf_csum *)a) 20*4882a593Smuzhiyun is_tcf_csum(const struct tc_action * a)21*4882a593Smuzhiyunstatic inline bool is_tcf_csum(const struct tc_action *a) 22*4882a593Smuzhiyun { 23*4882a593Smuzhiyun #ifdef CONFIG_NET_CLS_ACT 24*4882a593Smuzhiyun if (a->ops && a->ops->id == TCA_ID_CSUM) 25*4882a593Smuzhiyun return true; 26*4882a593Smuzhiyun #endif 27*4882a593Smuzhiyun return false; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun tcf_csum_update_flags(const struct tc_action * a)30*4882a593Smuzhiyunstatic inline u32 tcf_csum_update_flags(const struct tc_action *a) 31*4882a593Smuzhiyun { 32*4882a593Smuzhiyun u32 update_flags; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun rcu_read_lock(); 35*4882a593Smuzhiyun update_flags = rcu_dereference(to_tcf_csum(a)->params)->update_flags; 36*4882a593Smuzhiyun rcu_read_unlock(); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun return update_flags; 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #endif /* __NET_TC_CSUM_H */ 42