From 6bdd533cee9aadbcd476af30bfff079abe68fcdb Mon Sep 17 00:00:00 2001
From: Sean Young <sean@mess.org>
Date: Sun, 27 May 2018 12:24:10 +0100
Subject: bpf: add selftest for lirc_mode2 type program

This is simple test over rc-loopback.

Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
---
 tools/testing/selftests/bpf/test_lirc_mode2_kern.c | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 tools/testing/selftests/bpf/test_lirc_mode2_kern.c

(limited to 'tools/testing/selftests/bpf/test_lirc_mode2_kern.c')

diff --git a/tools/testing/selftests/bpf/test_lirc_mode2_kern.c b/tools/testing/selftests/bpf/test_lirc_mode2_kern.c
new file mode 100644
index 0000000000000..ba26855563a5f
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_lirc_mode2_kern.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+// test ir decoder
+//
+// Copyright (C) 2018 Sean Young <sean@mess.org>
+
+#include <linux/bpf.h>
+#include <linux/lirc.h>
+#include "bpf_helpers.h"
+
+SEC("lirc_mode2")
+int bpf_decoder(unsigned int *sample)
+{
+	if (LIRC_IS_PULSE(*sample)) {
+		unsigned int duration = LIRC_VALUE(*sample);
+
+		if (duration & 0x10000)
+			bpf_rc_keydown(sample, 0x40, duration & 0xffff, 0);
+	}
+
+	return 0;
+}
+
+char _license[] SEC("license") = "GPL";
-- 
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