LXR linux/include/net/ife.h

   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