46 lines
782 B
C
46 lines
782 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (c) 2018 Facebook */
|
|
#include <linux/bpf.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
|
|
struct ipv_counts {
|
|
unsigned int v4;
|
|
unsigned int v6;
|
|
};
|
|
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_ARRAY);
|
|
__uint(key_size, sizeof(int));
|
|
__uint(value_size, sizeof(struct ipv_counts));
|
|
__uint(max_entries, 4);
|
|
} btf_map SEC(".maps");
|
|
|
|
__attribute__((noinline))
|
|
int test_long_fname_2(void)
|
|
{
|
|
struct ipv_counts *counts;
|
|
int key = 0;
|
|
|
|
counts = bpf_map_lookup_elem(&btf_map, &key);
|
|
if (!counts)
|
|
return 0;
|
|
|
|
counts->v6++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
__attribute__((noinline))
|
|
int test_long_fname_1(void)
|
|
{
|
|
return test_long_fname_2();
|
|
}
|
|
|
|
SEC("dummy_tracepoint")
|
|
int _dummy_tracepoint(void *arg)
|
|
{
|
|
return test_long_fname_1();
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|