1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/bpf.h>
4 #include <bpf/bpf_helpers.h>
5 #include <bpf/bpf_tracing.h>
6
7 char _license[] SEC("license") = "GPL";
8
9 int test_1_result = 0;
10
11 SEC("struct_ops/test_1")
12 int BPF_PROG(test_1)
13 {
14 test_1_result = 42;
15 return 0;
16 }
17
18 SEC("struct_ops/test_1")
19 int BPF_PROG(test_2)
20 {
21 return 0;
22 }
23
24 struct bpf_testmod_ops___v1 {
25 int (*test_1)(void);
26 };
27
28 struct bpf_testmod_ops___v2 {
29 int (*test_1)(void);
30 int (*does_not_exist)(void);
31 };
32
33 SEC(".struct_ops.link")
34 struct bpf_testmod_ops___v1 testmod_1 = {
35 .test_1 = (void *)test_1
36 };
37
38 SEC(".struct_ops.link")
39 struct bpf_testmod_ops___v2 testmod_2 = {
40 .test_1 = (void *)test_1,
41 .does_not_exist = (void *)test_2
42 };
43
44 SEC("?.struct_ops")
45 struct bpf_testmod_ops___v1 optional_map = {
46 .test_1 = (void *)test_1,
47 };
48
49 SEC("?.struct_ops.link")
50 struct bpf_testmod_ops___v1 optional_map2 = {
51 .test_1 = (void *)test_1,
52 };
53
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