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