1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2021 Facebook */
3#include "../bpf_testmod/bpf_testmod_kfunc.h"
4
5extern const int bpf_prog_active __ksym;
6int active_res = -1;
7int sk_state_res = -1;
8
9int __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
31SEC("tc")
32int kfunc_call_test1(struct __sk_buff *skb)
33{
34	return f1(skb);
35}
36
37char _license[] SEC("license") = "GPL";
38