| 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 |