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>

1 files changed, 1 insertions, 0 deletions

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 86f7c438d40f..1777fa0c61e4 100644
--- 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)