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TOMOYO Linux Cross Reference
Linux/include/net/tc_act/tc_csum.h

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  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 

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