1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (c) 2018 Facebook */
3#include <linux/bpf.h>
4#include <bpf/bpf_helpers.h>
5#include "bpf_legacy.h"
6
7struct ipv_counts {
8	unsigned int v4;
9	unsigned int v6;
10};
11
12struct {
13	__uint(type, BPF_MAP_TYPE_ARRAY);
14	__uint(max_entries, 4);
15	__type(key, int);
16	__type(value, struct ipv_counts);
17} btf_map SEC(".maps");
18
19__attribute__((noinline))
20int test_long_fname_2(void)
21{
22	struct ipv_counts *counts;
23	int key = 0;
24
25	counts = bpf_map_lookup_elem(&btf_map, &key);
26	if (!counts)
27		return 0;
28
29	counts->v6++;
30
31	return 0;
32}
33
34__attribute__((noinline))
35int test_long_fname_1(void)
36{
37	return test_long_fname_2();
38}
39
40SEC("dummy_tracepoint")
41int _dummy_tracepoint(void *arg)
42{
43	return test_long_fname_1();
44}
45
46char _license[] SEC("license") = "GPL";
47