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