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authorSean Young <sean@mess.org>2018-05-27 12:24:10 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2018-05-30 12:40:14 +0200
commit6bdd533cee9aadbcd476af30bfff079abe68fcdb (patch)
treea153475f8949a8c9d6340b4f52c37b8912d0622d /tools/testing/selftests/bpf/test_lirc_mode2_kern.c
parentmedia: rc: introduce BPF_PROG_LIRC_MODE2 (diff)
downloadwireguard-linux-6bdd533cee9aadbcd476af30bfff079abe68fcdb.tar.xz
wireguard-linux-6bdd533cee9aadbcd476af30bfff079abe68fcdb.zip
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>
Diffstat (limited to 'tools/testing/selftests/bpf/test_lirc_mode2_kern.c')
-rw-r--r--tools/testing/selftests/bpf/test_lirc_mode2_kern.c23
1 files changed, 23 insertions, 0 deletions
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 000000000000..ba26855563a5
--- /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";