1 files changed, 63 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/reference_tracking.c b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
new file mode 100644
index 000000000..d863205bb
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+
+void test_reference_tracking(void)
+{
+	const char *file = "test_sk_lookup_kern.bpf.o";
+	const char *obj_name = "ref_track";
+	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
+		.object_name = obj_name,
+		.relaxed_maps = true,
+	);
+	struct bpf_object *obj_iter, *obj = NULL;
+	struct bpf_program *prog;
+	__u32 duration = 0;
+	int err = 0;
+
+	obj_iter = bpf_object__open_file(file, &open_opts);
+	if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file"))
+		return;
+
+	if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name",
+		  "wrong obj name '%s', expected '%s'\n",
+		  bpf_object__name(obj_iter), obj_name))
+		goto cleanup;
+
+	bpf_object__for_each_program(prog, obj_iter) {
+		struct bpf_program *p;
+		const char *name;
+
+		name = bpf_program__name(prog);
+		if (!test__start_subtest(name))
+			continue;
+
+		obj = bpf_object__open_file(file, &open_opts);
+		if (!ASSERT_OK_PTR(obj, "obj_open_file"))
+			goto cleanup;
+
+		/* all programs are not loaded by default, so just set
+		 * autoload to true for the single prog under test
+		 */
+		p = bpf_object__find_program_by_name(obj, name);
+		bpf_program__set_autoload(p, true);
+
+		/* Expect verifier failure if test name has 'err' */
+		if (strncmp(name, "err_", sizeof("err_") - 1) == 0) {
+			libbpf_print_fn_t old_print_fn;
+
+			old_print_fn = libbpf_set_print(NULL);
+			err = !bpf_object__load(obj);
+			libbpf_set_print(old_print_fn);
+		} else {
+			err = bpf_object__load(obj);
+		}
+		ASSERT_OK(err, name);
+
+		bpf_object__close(obj);
+		obj = NULL;
+	}
+
+cleanup:
+	bpf_object__close(obj);
+	bpf_object__close(obj_iter);
+}