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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_tcp_helpers.h"
extern const int bpf_prog_active __ksym;
extern __u64 bpf_kfunc_call_test1(struct sock *sk, __u32 a, __u64 b,
__u32 c, __u64 d) __ksym;
extern struct sock *bpf_kfunc_call_test3(struct sock *sk) __ksym;
int active_res = -1;
int sk_state = -1;
int __noinline f1(struct __sk_buff *skb)
{
struct bpf_sock *sk = skb->sk;
int *active;
if (!sk)
return -1;
sk = bpf_sk_fullsock(sk);
if (!sk)
return -1;
active = (int *)bpf_per_cpu_ptr(&bpf_prog_active,
bpf_get_smp_processor_id());
if (active)
active_res = *active;
sk_state = bpf_kfunc_call_test3((struct sock *)sk)->__sk_common.skc_state;
return (__u32)bpf_kfunc_call_test1((struct sock *)sk, 1, 2, 3, 4);
}
SEC("classifier")
int kfunc_call_test1(struct __sk_buff *skb)
{
return f1(skb);
}
char _license[] SEC("license") = "GPL";
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