162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __NET_TC_CSUM_H 362306a36Sopenharmony_ci#define __NET_TC_CSUM_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/types.h> 662306a36Sopenharmony_ci#include <net/act_api.h> 762306a36Sopenharmony_ci#include <linux/tc_act/tc_csum.h> 862306a36Sopenharmony_ci 962306a36Sopenharmony_cistruct tcf_csum_params { 1062306a36Sopenharmony_ci u32 update_flags; 1162306a36Sopenharmony_ci struct rcu_head rcu; 1262306a36Sopenharmony_ci}; 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistruct tcf_csum { 1562306a36Sopenharmony_ci struct tc_action common; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci struct tcf_csum_params __rcu *params; 1862306a36Sopenharmony_ci}; 1962306a36Sopenharmony_ci#define to_tcf_csum(a) ((struct tcf_csum *)a) 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistatic inline bool is_tcf_csum(const struct tc_action *a) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci#ifdef CONFIG_NET_CLS_ACT 2462306a36Sopenharmony_ci if (a->ops && a->ops->id == TCA_ID_CSUM) 2562306a36Sopenharmony_ci return true; 2662306a36Sopenharmony_ci#endif 2762306a36Sopenharmony_ci return false; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistatic inline u32 tcf_csum_update_flags(const struct tc_action *a) 3162306a36Sopenharmony_ci{ 3262306a36Sopenharmony_ci u32 update_flags; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci rcu_read_lock(); 3562306a36Sopenharmony_ci update_flags = rcu_dereference(to_tcf_csum(a)->params)->update_flags; 3662306a36Sopenharmony_ci rcu_read_unlock(); 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci return update_flags; 3962306a36Sopenharmony_ci} 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci#endif /* __NET_TC_CSUM_H */ 42