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 12 void *ife_encode(struct sk_buff *skb, u16 metalen); 13 void *ife_decode(struct sk_buff *skb, u16 *metalen); 14 15 void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype, 16 u16 *dlen, u16 *totlen); 17 int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, 18 const void *dval); 19 20 void *ife_tlv_meta_next(void *skbdata); 21 22 #else 23 24 static inline void *ife_encode(struct sk_buff *skb, u16 metalen) 25 { 26 return NULL; 27 } 28 29 static inline void *ife_decode(struct sk_buff *skb, u16 *metalen) 30 { 31 return NULL; 32 } 33 34 static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, 35 u16 *totlen) 36 { 37 return NULL; 38 } 39 40 static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, 41 const void *dval) 42 { 43 return 0; 44 } 45 46 static inline void *ife_tlv_meta_next(void *skbdata) 47 { 48 return NULL; 49 } 50 51 #endif 52 53 #endif /* __NET_IFE_H */ 54