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";

 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
 7int _version SEC("version") = 1;
 8
 9struct ipv_counts {
10	unsigned int v4;
11	unsigned int v6;
12};
13
14/* just to validate we can handle maps in multiple sections */
15struct bpf_map_def SEC("maps") btf_map_legacy = {
16	.type = BPF_MAP_TYPE_ARRAY,
17	.key_size = sizeof(int),
18	.value_size = sizeof(long long),
19	.max_entries = 4,
20};
21
22BPF_ANNOTATE_KV_PAIR(btf_map_legacy, int, struct ipv_counts);
23
24struct {
25	__uint(type, BPF_MAP_TYPE_ARRAY);
26	__uint(max_entries, 4);
27	__type(key, int);
28	__type(value, struct ipv_counts);
29} btf_map SEC(".maps");
30
31__attribute__((noinline))
32int test_long_fname_2(void)
33{
34	struct ipv_counts *counts;
35	int key = 0;
36
37	counts = bpf_map_lookup_elem(&btf_map, &key);
38	if (!counts)
39		return 0;
40
41	counts->v6++;
42
43	/* just verify we can reference both maps */
44	counts = bpf_map_lookup_elem(&btf_map_legacy, &key);
45	if (!counts)
46		return 0;
47
48	return 0;
49}
50
51__attribute__((noinline))
52int test_long_fname_1(void)
53{
54	return test_long_fname_2();
55}
56
57SEC("dummy_tracepoint")
58int _dummy_tracepoint(void *arg)
59{
60	return test_long_fname_1();
61}
62
63char _license[] SEC("license") = "GPL";