LXR linux/include/net/tc_act/tc

   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
   9struct tcf_csum_params {
  10        u32 update_flags;
  11        struct rcu_head rcu;
  12};
  13
  14struct 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
  21static 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
  30static 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