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