include/net/ife.h

   1 #ifndef __NET_IFE_H
   2 #define __NET_IFE_H
   3
   4 #include <linux/etherdevice.h>
   5 #include <linux/rtnetlink.h>
   6 #include <linux/module.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, u16 *attrtype, u16 *dlen, u16 *totlen);
  15 int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
  16                         const void *dval);
  17
  18 void *ife_tlv_meta_next(void *skbdata);
  19
  20 #else
  21
  22 static inline void *ife_encode(struct sk_buff *skb, u16 metalen)
  23 {
  24         return NULL;
  25 }
  26
  27 static inline void *ife_decode(struct sk_buff *skb, u16 *metalen)
  28 {
  29         return NULL;
  30 }
  31
  32 static inline void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen,
  33                                         u16 *totlen)
  34 {
  35         return NULL;
  36 }
  37
  38 static inline int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen,
  39                         const void *dval)
  40 {
  41         return 0;
  42 }
  43
  44 static inline void *ife_tlv_meta_next(void *skbdata)
  45 {
  46         return NULL;
  47 }
  48
  49 #endif
  50
  51 #endif /* __NET_IFE_H */