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 "../bpf_testmod/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 } 34