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[v2,2/3] selftests/bpf: Add selftests for bpf led programs

Message ID ac20b89cb46ddfb59150971d0bd836617515565c.1711415233.git.hodges.daniel.scott@gmail.com (mailing list archive)
State Handled Elsewhere
Delegated to: BPF
Headers show
Series leds: trigger: legtrig-bpf: Add ledtrig-bpf trigger | expand

Checks

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Commit Message

Daniel Hodges March 26, 2024, 1:14 a.m. UTC 
Add selftests for led trigger bpf programs. To run the tests use the
"test_progs -t ledtrig_bpf" helper.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
---
 tools/testing/selftests/bpf/config            |  1 +
 .../testing/selftests/bpf/progs/ledtrig_bpf.c | 32 +++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 tools/testing/selftests/bpf/progs/ledtrig_bpf.c
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config
index 01f241ea2c67..17a027905dcd 100644
--- a/tools/testing/selftests/bpf/config
+++ b/tools/testing/selftests/bpf/config
@@ -42,6 +42,7 @@  CONFIG_IPV6_SEG6_BPF=y
 CONFIG_IPV6_SIT=y
 CONFIG_IPV6_TUNNEL=y
 CONFIG_KEYS=y
+CONFIG_LEDS_TRIGGER_BPF=y
 CONFIG_LIRC=y
 CONFIG_LWTUNNEL=y
 CONFIG_MODULE_SIG=y
diff --git a/tools/testing/selftests/bpf/progs/ledtrig_bpf.c b/tools/testing/selftests/bpf/progs/ledtrig_bpf.c
new file mode 100644
index 000000000000..d2096f13e5b6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/ledtrig_bpf.c
@@ -0,0 +1,32 @@ 
+// SPDX-License-Identifier: GPL-2.0
+#include <vmlinux.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#include <bpf/bpf_core_read.h>
+
+
+extern void bpf_ledtrig_blink(const char *led_name, unsigned long delay_on,
+		unsigned long delay_off, int invert) __weak __ksym;
+
+
+SEC("perf_event")
+int perf_blink(void)
+{
+	const char *led = "test_led";
+
+	bpf_ledtrig_blink(led, 30, 30, 0);
+	return 0;
+}
+
+
+SEC("syscall")
+int fork_blink(void)
+{
+	const char *led = "test_led";
+
+	bpf_ledtrig_blink(led, 30, 30, 0);
+	return 0;
+}
+
+char LICENSE[] SEC("license") = "GPL";