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[linux.git] / tools / testing / selftests / bpf / progs / nested_acquire.c
1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <vmlinux.h>
4 #include <bpf/bpf_tracing.h>
5 #include <bpf/bpf_helpers.h>
6 #include "bpf_misc.h"
7 #include "../test_kmods/bpf_testmod_kfunc.h"
8
9 char _license[] SEC("license") = "GPL";
10
11 SEC("tp_btf/tcp_probe")
12 __success
13 int BPF_PROG(test_nested_acquire_nonzero, struct sock *sk, struct sk_buff *skb)
14 {
15         struct sk_buff *ptr;
16
17         ptr = bpf_kfunc_nested_acquire_nonzero_offset_test(&sk->sk_write_queue);
18
19         bpf_kfunc_nested_release_test(ptr);
20         return 0;
21 }
22
23 SEC("tp_btf/tcp_probe")
24 __success
25 int BPF_PROG(test_nested_acquire_zero, struct sock *sk, struct sk_buff *skb)
26 {
27         struct sk_buff *ptr;
28
29         ptr = bpf_kfunc_nested_acquire_zero_offset_test(&sk->__sk_common);
30
31         bpf_kfunc_nested_release_test(ptr);
32         return 0;
33 }
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