1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3
toggle_object_autoload_progs(const struct bpf_object * obj,const char * name_load)4 static void toggle_object_autoload_progs(const struct bpf_object *obj,
5 const char *name_load)
6 {
7 struct bpf_program *prog;
8
9 bpf_object__for_each_program(prog, obj) {
10 const char *name = bpf_program__name(prog);
11
12 if (!strcmp(name_load, name))
13 bpf_program__set_autoload(prog, true);
14 else
15 bpf_program__set_autoload(prog, false);
16 }
17 }
18
test_reference_tracking(void)19 void test_reference_tracking(void)
20 {
21 const char *file = "test_sk_lookup_kern.o";
22 const char *obj_name = "ref_track";
23 DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
24 .object_name = obj_name,
25 .relaxed_maps = true,
26 );
27 struct bpf_object *obj_iter, *obj = NULL;
28 struct bpf_program *prog;
29 __u32 duration = 0;
30 int err = 0;
31
32 obj_iter = bpf_object__open_file(file, &open_opts);
33 if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file"))
34 return;
35
36 if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name",
37 "wrong obj name '%s', expected '%s'\n",
38 bpf_object__name(obj_iter), obj_name))
39 goto cleanup;
40
41 bpf_object__for_each_program(prog, obj_iter) {
42 const char *name;
43
44 name = bpf_program__name(prog);
45 if (!test__start_subtest(name))
46 continue;
47
48 obj = bpf_object__open_file(file, &open_opts);
49 if (!ASSERT_OK_PTR(obj, "obj_open_file"))
50 goto cleanup;
51
52 toggle_object_autoload_progs(obj, name);
53 /* Expect verifier failure if test name has 'err' */
54 if (strncmp(name, "err_", sizeof("err_") - 1) == 0) {
55 libbpf_print_fn_t old_print_fn;
56
57 old_print_fn = libbpf_set_print(NULL);
58 err = !bpf_object__load(obj);
59 libbpf_set_print(old_print_fn);
60 } else {
61 err = bpf_object__load(obj);
62 }
63 ASSERT_OK(err, name);
64
65 bpf_object__close(obj);
66 obj = NULL;
67 }
68
69 cleanup:
70 bpf_object__close(obj);
71 bpf_object__close(obj_iter);
72 }
73