1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (c) 2021 Facebook */ |
3 | #include "../bpf_testmod/bpf_testmod_kfunc.h" |
4 | |
5 | extern const int bpf_prog_active __ksym; |
6 | int active_res = -1; |
7 | int sk_state_res = -1; |
8 | |
9 | int __noinline f1(struct __sk_buff *skb) |
10 | { |
11 | struct bpf_sock *sk = skb->sk; |
12 | int *active; |
13 | |
14 | if (!sk) |
15 | return -1; |
16 | |
17 | sk = bpf_sk_fullsock(sk); |
18 | if (!sk) |
19 | return -1; |
20 | |
21 | active = (int *)bpf_per_cpu_ptr(&bpf_prog_active, |
22 | bpf_get_smp_processor_id()); |
23 | if (active) |
24 | active_res = *active; |
25 | |
26 | sk_state_res = bpf_kfunc_call_test3((struct sock *)sk)->__sk_common.skc_state; |
27 | |
28 | return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4); |
29 | } |
30 | |
31 | SEC("tc" ) |
32 | int kfunc_call_test1(struct __sk_buff *skb) |
33 | { |
34 | return f1(skb); |
35 | } |
36 | |
37 | char _license[] SEC("license" ) = "GPL" ; |
38 | |