1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 1727898f1641..efa5d4a1677e 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1542,4 +1542,50 @@ static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u64 index
 	return XDP_REDIRECT;
 }
 
+#ifdef CONFIG_NET
+int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len);
+int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
+			  u32 len, u64 flags);
+int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
+int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset, void *buf, u32 len);
+void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len);
+void bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off,
+		      void *buf, unsigned long len, bool flush);
+#else /* CONFIG_NET */
+static inline int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset,
+				       void *to, u32 len)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset,
+					const void *from, u32 len, u64 flags)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int __bpf_xdp_load_bytes(struct xdp_buff *xdp, u32 offset,
+				       void *buf, u32 len)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int __bpf_xdp_store_bytes(struct xdp_buff *xdp, u32 offset,
+					void *buf, u32 len)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len)
+{
+	return NULL;
+}
+
+static inline void *bpf_xdp_copy_buf(struct xdp_buff *xdp, unsigned long off, void *buf,
+				     unsigned long len, bool flush)
+{
+	return NULL;
+}
+#endif /* CONFIG_NET */
+
 #endif /* __LINUX_FILTER_H__ */