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