projects/linux·blob master · refs

90 lines · 1.8 KiB

1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
3#include <vmlinux.h>
4#include <bpf/bpf_helpers.h>
5#include <bpf/bpf_tracing.h>
6#include "../test_kmods/bpf_testmod.h"
7
8char _license[] SEC("license") = "GPL";
9
10int test_1_result = 0;
11int test_2_result = 0;
12
13SEC("struct_ops/test_1")
14int BPF_PROG(test_1)
15{
16 test_1_result = 0xdeadbeef;
17 return 0;
18}
19
20SEC("struct_ops/test_2")
21void BPF_PROG(test_2, int a, int b)
22{
23 test_2_result = a + b;
24}
25
26SEC("?struct_ops/test_3")
27int BPF_PROG(test_3, int a, int b)
28{
29 test_2_result = a + b + 3;
30 return a + b + 3;
31}
32
33SEC(".struct_ops.link")
34struct bpf_testmod_ops testmod_1 = {
35 .test_1 = (void *)test_1,
36 .test_2 = (void *)test_2,
37 .data = 0x1,
38};
39
40SEC("struct_ops/test_2")
41void BPF_PROG(test_2_v2, int a, int b)
42{
43 test_2_result = a * b;
44}
45
46struct bpf_testmod_ops___v2 {
47 int (*test_1)(void);
48 void (*test_2)(int a, int b);
49 int (*test_maybe_null)(int dummy, struct task_struct *task);
50};
51
52SEC(".struct_ops.link")
53struct bpf_testmod_ops___v2 testmod_2 = {
54 .test_1 = (void *)test_1,
55 .test_2 = (void *)test_2_v2,
56};
57
58struct bpf_testmod_ops___zeroed {
59 int (*test_1)(void);
60 void (*test_2)(int a, int b);
61 int (*test_maybe_null)(int dummy, struct task_struct *task);
62 void (*zeroed_op)(int a, int b);
63 int zeroed;
64};
65
66SEC("struct_ops/test_3")
67int BPF_PROG(zeroed_op)
68{
69 return 1;
70}
71
72SEC(".struct_ops.link")
73struct bpf_testmod_ops___zeroed testmod_zeroed = {
74 .test_1 = (void *)test_1,
75 .test_2 = (void *)test_2_v2,
76 .zeroed_op = (void *)zeroed_op,
77};
78
79struct bpf_testmod_ops___incompatible {
80 int (*test_1)(void);
81 void (*test_2)(int *a);
82 int data;
83};
84
85SEC(".struct_ops.link")
86struct bpf_testmod_ops___incompatible testmod_incompatible = {
87 .test_1 = (void *)test_1,
88 .test_2 = (void *)test_2,
89 .data = 3,
90};