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_helpers.h"
 5
 6int _version SEC("version") = 1;
 7
 8struct ipv_counts {
 9	unsigned int v4;
10	unsigned int v6;
11};
12
13/* just to validate we can handle maps in multiple sections */
14struct bpf_map_def SEC("maps") btf_map_legacy = {
15	.type = BPF_MAP_TYPE_ARRAY,
16	.key_size = sizeof(int),
17	.value_size = sizeof(long long),
18	.max_entries = 4,
19};
20
21BPF_ANNOTATE_KV_PAIR(btf_map_legacy, int, struct ipv_counts);
22
23struct {
24	__uint(type, BPF_MAP_TYPE_ARRAY);
25	__uint(max_entries, 4);
26	__type(key, int);
27	__type(value, struct ipv_counts);
28} btf_map SEC(".maps");
29
30struct dummy_tracepoint_args {
31	unsigned long long pad;
32	struct sock *sock;
33};
34
35__attribute__((noinline))
36static int test_long_fname_2(struct dummy_tracepoint_args *arg)
37{
38	struct ipv_counts *counts;
39	int key = 0;
40
41	if (!arg->sock)
42		return 0;
43
44	counts = bpf_map_lookup_elem(&btf_map, &key);
45	if (!counts)
46		return 0;
47
48	counts->v6++;
49
50	/* just verify we can reference both maps */
51	counts = bpf_map_lookup_elem(&btf_map_legacy, &key);
52	if (!counts)
53		return 0;
54
55	return 0;
56}
57
58__attribute__((noinline))
59static int test_long_fname_1(struct dummy_tracepoint_args *arg)
60{
61	return test_long_fname_2(arg);
62}
63
64SEC("dummy_tracepoint")
65int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
66{
67	return test_long_fname_1(arg);
68}
69
70char _license[] SEC("license") = "GPL";