1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __NET_IFE_H
 3#define __NET_IFE_H
 4
 5#include <linux/etherdevice.h>
 6#include <linux/rtnetlink.h>
 7#include <linux/module.h>
 8#include <uapi/linux/ife.h>
 9
10#if IS_ENABLED(CONFIG_NET_IFE)
11
12void *ife_encode(struct sk_buff *skb, u16 metalen);
13void *ife_decode(struct sk_buff *skb, u16 *metalen);
14
15void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype,
16			  u16 *dlen, u16 *totlen);
17int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
18			const void *dval);
19
20void *ife_tlv_meta_next(void *skbdata);
21
22#else
23
24static inline void *ife_encode(struct sk_buff *skb, u16 metalen)
25{
26	return NULL;
27}
28
29static inline void *ife_decode(struct sk_buff *skb, u16 *metalen)
30{
31	return NULL;
32}
33
34static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen,
35					u16 *totlen)
36{
37	return NULL;
38}
39
40static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
41			const void *dval)
42{
43	return 0;
44}
45
46static inline void *ife_tlv_meta_next(void *skbdata)
47{
48	return NULL;
49}
50
51#endif
52
53#endif /* __NET_IFE_H */