1 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index bdee9b83baf6..08e66827ad8e 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -17,9 +17,14 @@
 
 #include <uapi/linux/if_tun.h>
 
+#define TUN_XDP_FLAG 0x1UL
+
 #if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
 struct socket *tun_get_socket(struct file *);
 struct ptr_ring *tun_get_tx_ring(struct file *file);
+bool tun_is_xdp_buff(void *ptr);
+void *tun_xdp_to_ptr(void *ptr);
+void *tun_ptr_to_xdp(void *ptr);
 #else
 #include <linux/err.h>
 #include <linux/errno.h>
@@ -33,5 +38,17 @@ static inline struct ptr_ring *tun_get_tx_ring(struct file *f)
 {
         return ERR_PTR(-EINVAL);
 }
+static inline bool tun_is_xdp_buff(void *ptr)
+{
+        return false;
+}
+void *tun_xdp_to_ptr(void *ptr)
+{
+        return NULL;
+}
+void *tun_ptr_to_xdp(void *ptr)
+{
+        return NULL;
+}
 #endif /* CONFIG_TUN */
 #endif /* __IF_TUN_H */