1 files changed, 2 insertions, 1 deletions

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 661318141f72..f0b6608b1f1c 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -2268,7 +2268,7 @@ struct bpf_tunnel_key {
         };
         __u8 tunnel_tos;
         __u8 tunnel_ttl;
-        __u16 tunnel_ext;
+        __u16 tunnel_ext;       /* Padding, future use. */
         __u32 tunnel_label;
 };
 
@@ -2279,6 +2279,7 @@ struct bpf_xfrm_state {
         __u32 reqid;
         __u32 spi;      /* Stored in network byte order */
         __u16 family;
+        __u16 ext;      /* Padding, future use. */
         union {
                 __u32 remote_ipv4;      /* Stored in network byte order */
                 __u32 remote_ipv6[4];   /* Stored in network byte order */