1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2021. Huawei Technologies Co., Ltd */
3 #include "vmlinux.h"
4 #include <bpf/bpf_helpers.h>
5 #include <bpf/bpf_tracing.h>
6
7 char _license[] SEC("license") = "GPL";
8
9 SEC("struct_ops/test_1")
BPF_PROG(test_1,struct bpf_dummy_ops_state * state)10 int BPF_PROG(test_1, struct bpf_dummy_ops_state *state)
11 {
12 int ret;
13
14 if (!state)
15 return 0xf2f3f4f5;
16
17 ret = state->val;
18 state->val = 0x5a;
19 return ret;
20 }
21
22 __u64 test_2_args[5];
23
24 SEC("struct_ops/test_2")
BPF_PROG(test_2,struct bpf_dummy_ops_state * state,int a1,unsigned short a2,char a3,unsigned long a4)25 int BPF_PROG(test_2, struct bpf_dummy_ops_state *state, int a1, unsigned short a2,
26 char a3, unsigned long a4)
27 {
28 test_2_args[0] = (unsigned long)state;
29 test_2_args[1] = a1;
30 test_2_args[2] = a2;
31 test_2_args[3] = a3;
32 test_2_args[4] = a4;
33 return 0;
34 }
35
36 SEC("struct_ops.s/test_sleepable")
BPF_PROG(test_sleepable,struct bpf_dummy_ops_state * state)37 int BPF_PROG(test_sleepable, struct bpf_dummy_ops_state *state)
38 {
39 return 0;
40 }
41
42 SEC(".struct_ops")
43 struct bpf_dummy_ops dummy_1 = {
44 .test_1 = (void *)test_1,
45 .test_2 = (void *)test_2,
46 .test_sleepable = (void *)test_sleepable,
47 };
48