tools/bpf: sync uapi/bpf.h

add BPF_F_LOCK definition to tools/include/uapi/linux/bpf.h

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 86f7c43..1777fa0 100644 (file)
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -267,6 +267,7 @@ enum bpf_attach_type {
 #define BPF_ANY                0 /* create new element or update existing */
 #define BPF_NOEXIST    1 /* create new element if it didn't exist */
 #define BPF_EXIST      2 /* update existing element */
+#define BPF_F_LOCK     4 /* spin_lock-ed map_lookup/map_update */
 
 /* flags for BPF_MAP_CREATE command */
 #define BPF_F_NO_PREALLOC      (1U << 0)