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
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