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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";
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
13struct bpf_map_def SEC("maps") btf_map = {
14 .type = BPF_MAP_TYPE_ARRAY,
15 .key_size = sizeof(int),
16 .value_size = sizeof(struct ipv_counts),
17 .max_entries = 4,
18};
19
20struct dummy_tracepoint_args {
21 unsigned long long pad;
22 struct sock *sock;
23};
24
25__attribute__((noinline))
26static int test_long_fname_2(struct dummy_tracepoint_args *arg)
27{
28 struct ipv_counts *counts;
29 int key = 0;
30
31 if (!arg->sock)
32 return 0;
33
34 counts = bpf_map_lookup_elem(&btf_map, &key);
35 if (!counts)
36 return 0;
37
38 counts->v6++;
39
40 return 0;
41}
42
43__attribute__((noinline))
44static int test_long_fname_1(struct dummy_tracepoint_args *arg)
45{
46 return test_long_fname_2(arg);
47}
48
49SEC("dummy_tracepoint")
50int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
51{
52 return test_long_fname_1(arg);
53}
54
55char _license[] SEC("license") = "GPL";