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}

 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.o";
 7	struct bpf_object *obj;
 
 
 
 
 
 8	struct bpf_program *prog;
 9	__u32 duration = 0;
10	int err = 0;
11
12	obj = bpf_object__open(file);
13	if (CHECK_FAIL(IS_ERR(obj)))
14		return;
15
16	bpf_object__for_each_program(prog, obj) {
17		const char *title;
 
 
 
 
 
 
18
19		/* Ignore .text sections */
20		title = bpf_program__title(prog, false);
21		if (strstr(title, ".text") != NULL)
22			continue;
23
24		bpf_program__set_type(prog, BPF_PROG_TYPE_SCHED_CLS);
 
 
 
 
 
 
 
 
25
26		/* Expect verifier failure if test name has 'fail' */
27		if (strstr(title, "fail") != NULL) {
28			libbpf_print_fn_t old_print_fn;
29
30			old_print_fn = libbpf_set_print(NULL);
31			err = !bpf_program__load(prog, "GPL", 0);
32			libbpf_set_print(old_print_fn);
33		} else {
34			err = bpf_program__load(prog, "GPL", 0);
35		}
36		CHECK(err, title, "\n");
 
 
 
37	}
 
 
38	bpf_object__close(obj);
 
39}