1// SPDX-License-Identifier: GPL-2.0
2#include <test_progs.h>
3
4void test_reference_tracking(void)
5{
6	const char *file = "test_sk_lookup_kern.bpf.o";
7	const char *obj_name = "ref_track";
8	DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
9		.object_name = obj_name,
10		.relaxed_maps = true,
11	);
12	struct bpf_object *obj_iter, *obj = NULL;
13	struct bpf_program *prog;
14	__u32 duration = 0;
15	int err = 0;
16
17	obj_iter = bpf_object__open_file(file, &open_opts);
18	if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file"))
19		return;
20
21	if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name",
22		  "wrong obj name '%s', expected '%s'\n",
23		  bpf_object__name(obj_iter), obj_name))
24		goto cleanup;
25
26	bpf_object__for_each_program(prog, obj_iter) {
27		struct bpf_program *p;
28		const char *name;
29
30		name = bpf_program__name(prog);
31		if (!test__start_subtest(name))
32			continue;
33
34		obj = bpf_object__open_file(file, &open_opts);
35		if (!ASSERT_OK_PTR(obj, "obj_open_file"))
36			goto cleanup;
37
38		/* all programs are not loaded by default, so just set
39		 * autoload to true for the single prog under test
40		 */
41		p = bpf_object__find_program_by_name(obj, name);
42		bpf_program__set_autoload(p, true);
43
44		/* Expect verifier failure if test name has 'err' */
45		if (strncmp(name, "err_", sizeof("err_") - 1) == 0) {
46			libbpf_print_fn_t old_print_fn;
47
48			old_print_fn = libbpf_set_print(NULL);
49			err = !bpf_object__load(obj);
50			libbpf_set_print(old_print_fn);
51		} else {
52			err = bpf_object__load(obj);
53		}
54		ASSERT_OK(err, name);
55
56		bpf_object__close(obj);
57		obj = NULL;
58	}
59
60cleanup:
61	bpf_object__close(obj);
62	bpf_object__close(obj_iter);
63}
64