1 files changed, 5 insertions, 0 deletions

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 1878201c2d77..102718624d1e 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -296,6 +296,11 @@ union bpf_attr {
                 __u32           prog_flags;
                 char            prog_name[BPF_OBJ_NAME_LEN];
                 __u32           prog_ifindex;   /* ifindex of netdev to prep for */
+                /* For some prog types expected attach type must be known at
+                 * load time to verify attach type specific parts of prog
+                 * (context accesses, allowed helpers, etc).
+                 */
+                __u32           expected_attach_type;
         };
 
         struct { /* anonymous struct used by BPF_OBJ_* commands */