xref: /linux/include/net/tc_act/tc_pedit.h (revision 14e77332e74603efab8347c89d3cda447c3b97c9)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NET_TC_PED_H
3 #define __NET_TC_PED_H
4 
5 #include <net/act_api.h>
6 #include <linux/tc_act/tc_pedit.h>
7 
8 struct tcf_pedit_key_ex {
9 	enum pedit_header_type htype;
10 	enum pedit_cmd cmd;
11 };
12 
13 struct tcf_pedit {
14 	struct tc_action	common;
15 	unsigned char		tcfp_nkeys;
16 	unsigned char		tcfp_flags;
17 	u32			tcfp_off_max_hint;
18 	struct tc_pedit_key	*tcfp_keys;
19 	struct tcf_pedit_key_ex	*tcfp_keys_ex;
20 };
21 
22 #define to_pedit(a) ((struct tcf_pedit *)a)
23 
24 static inline bool is_tcf_pedit(const struct tc_action *a)
25 {
26 #ifdef CONFIG_NET_CLS_ACT
27 	if (a->ops && a->ops->id == TCA_ID_PEDIT)
28 		return true;
29 #endif
30 	return false;
31 }
32 
33 static inline int tcf_pedit_nkeys(const struct tc_action *a)
34 {
35 	return to_pedit(a)->tcfp_nkeys;
36 }
37 
38 static inline u32 tcf_pedit_htype(const struct tc_action *a, int index)
39 {
40 	if (to_pedit(a)->tcfp_keys_ex)
41 		return to_pedit(a)->tcfp_keys_ex[index].htype;
42 
43 	return TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK;
44 }
45 
46 static inline u32 tcf_pedit_cmd(const struct tc_action *a, int index)
47 {
48 	if (to_pedit(a)->tcfp_keys_ex)
49 		return to_pedit(a)->tcfp_keys_ex[index].cmd;
50 
51 	return __PEDIT_CMD_MAX;
52 }
53 
54 static inline u32 tcf_pedit_mask(const struct tc_action *a, int index)
55 {
56 	return to_pedit(a)->tcfp_keys[index].mask;
57 }
58 
59 static inline u32 tcf_pedit_val(const struct tc_action *a, int index)
60 {
61 	return to_pedit(a)->tcfp_keys[index].val;
62 }
63 
64 static inline u32 tcf_pedit_offset(const struct tc_action *a, int index)
65 {
66 	return to_pedit(a)->tcfp_keys[index].off;
67 }
68 #endif /* __NET_TC_PED_H */
69