bpf: introduce bpf_perf_event_output() helper

[firefly-linux-kernel-4.4.55.git] / include / uapi / linux / bpf.h

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 564f1f091991b7f1f7b40f06c433b7a663787103..2e032426cfb78c34c3e795d230e9120e1c6a168b 100644 (file)
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -287,6 +287,17 @@ enum bpf_func_id {
         * Return: realm if != 0
         */
        BPF_FUNC_get_route_realm,
+
+       /**
+        * bpf_perf_event_output(ctx, map, index, data, size) - output perf raw sample
+        * @ctx: struct pt_regs*
+        * @map: pointer to perf_event_array map
+        * @index: index of event in the map
+        * @data: data on stack to be output as raw data
+        * @size: size of data
+        * Return: 0 on success
+        */
+       BPF_FUNC_perf_event_output,
        __BPF_FUNC_MAX_ID,
 };