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