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Diffstat (limited to 'tools/include/uapi/linux/bpf.h')
-rw-r--r--tools/include/uapi/linux/bpf.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 6b3996343e63..ea262b009049 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -44,6 +44,9 @@
#define BPF_CALL 0x80 /* function call */
#define BPF_EXIT 0x90 /* function return */
+/* atomic op type fields (stored in immediate) */
+#define BPF_FETCH 0x01 /* fetch previous value into src reg */
+
/* Register numbers */
enum {
BPF_REG_0 = 0,