xref: /linux/tools/testing/selftests/bpf/prog_tests/struct_ops_private_stack.c (revision eb71ab2bf72260054677e348498ba995a057c463)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 #include <test_progs.h>
4 #include "struct_ops_private_stack.skel.h"
5 #include "struct_ops_private_stack_fail.skel.h"
6 #include "struct_ops_private_stack_recur.skel.h"
7 
test_private_stack(void)8 static void test_private_stack(void)
9 {
10 	struct struct_ops_private_stack *skel;
11 	struct bpf_link *link;
12 	int err;
13 
14 	skel = struct_ops_private_stack__open();
15 	if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack__open"))
16 		return;
17 
18 	if (skel->data->skip) {
19 		test__skip();
20 		goto cleanup;
21 	}
22 
23 	err = struct_ops_private_stack__load(skel);
24 	if (!ASSERT_OK(err, "struct_ops_private_stack__load"))
25 		goto cleanup;
26 
27 	link = bpf_map__attach_struct_ops(skel->maps.testmod_1);
28 	if (!ASSERT_OK_PTR(link, "attach_struct_ops"))
29 		goto cleanup;
30 
31 	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
32 
33 	ASSERT_EQ(skel->bss->val_i, 3, "val_i");
34 	ASSERT_EQ(skel->bss->val_j, 8, "val_j");
35 
36 	bpf_link__destroy(link);
37 
38 cleanup:
39 	struct_ops_private_stack__destroy(skel);
40 }
41 
test_private_stack_fail(void)42 static void test_private_stack_fail(void)
43 {
44 	struct struct_ops_private_stack_fail *skel;
45 	int err;
46 
47 	skel = struct_ops_private_stack_fail__open();
48 	if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack_fail__open"))
49 		return;
50 
51 	if (skel->data->skip) {
52 		test__skip();
53 		goto cleanup;
54 	}
55 
56 	err = struct_ops_private_stack_fail__load(skel);
57 	ASSERT_ERR(err, "struct_ops_private_stack_fail__load");
58 
59 cleanup:
60 	struct_ops_private_stack_fail__destroy(skel);
61 }
62 
test_private_stack_recur(void)63 static void test_private_stack_recur(void)
64 {
65 	struct struct_ops_private_stack_recur *skel;
66 	struct bpf_link *link;
67 	int err;
68 
69 	skel = struct_ops_private_stack_recur__open();
70 	if (!ASSERT_OK_PTR(skel, "struct_ops_private_stack_recur__open"))
71 		return;
72 
73 	if (skel->data->skip) {
74 		test__skip();
75 		goto cleanup;
76 	}
77 
78 	err = struct_ops_private_stack_recur__load(skel);
79 	if (!ASSERT_OK(err, "struct_ops_private_stack_recur__load"))
80 		goto cleanup;
81 
82 	link = bpf_map__attach_struct_ops(skel->maps.testmod_1);
83 	if (!ASSERT_OK_PTR(link, "attach_struct_ops"))
84 		goto cleanup;
85 
86 	ASSERT_OK(trigger_module_test_read(256), "trigger_read");
87 
88 	ASSERT_EQ(skel->bss->val_j, 3, "val_j");
89 
90 	bpf_link__destroy(link);
91 
92 cleanup:
93 	struct_ops_private_stack_recur__destroy(skel);
94 }
95 
test_struct_ops_private_stack(void)96 void test_struct_ops_private_stack(void)
97 {
98 	if (test__start_subtest("private_stack"))
99 		test_private_stack();
100 	if (test__start_subtest("private_stack_fail"))
101 		test_private_stack_fail();
102 	if (test__start_subtest("private_stack_recur"))
103 		test_private_stack_recur();
104 }
105