1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3
4 void 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
60 cleanup:
61 bpf_object__close(obj);
62 bpf_object__close(obj_iter);
63 }
64
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.