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

source code of linux/include/net/ife.h