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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#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";47