1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */
 2#include <linux/bpf.h>
 3#include <bpf/bpf_helpers.h>
 4
 5struct bpf_map_def SEC("maps") htab = {
 6	.type = BPF_MAP_TYPE_HASH,
 7	.key_size = sizeof(__u32),
 8	.value_size = sizeof(long),
 9	.max_entries = 2,
10};
11
12struct bpf_map_def SEC("maps") array = {
13	.type = BPF_MAP_TYPE_ARRAY,
14	.key_size = sizeof(__u32),
15	.value_size = sizeof(long),
16	.max_entries = 2,
17};
18
19/* Sample program which should always load for testing control paths. */
20SEC(".text") int func()
21{
22	__u64 key64 = 0;
23	__u32 key = 0;
24	long *value;
25
26	value = bpf_map_lookup_elem(&htab, &key);
27	if (!value)
28		return 1;
29	value = bpf_map_lookup_elem(&array, &key64);
30	if (!value)
31		return 1;
32
33	return 0;
34}