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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018 Facebook */
#include <linux/bpf.h>
#include "bpf_helpers.h"
#include "bpf_legacy.h"
int _version SEC("version") = 1;
struct ipv_counts {
unsigned int v4;
unsigned int v6;
};
/* just to validate we can handle maps in multiple sections */
struct bpf_map_def SEC("maps") btf_map_legacy = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(int),
.value_size = sizeof(long long),
.max_entries = 4,
};
BPF_ANNOTATE_KV_PAIR(btf_map_legacy, int, struct ipv_counts);
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 4);
__type(key, int);
__type(value, struct ipv_counts);
} btf_map SEC(".maps");
struct dummy_tracepoint_args {
unsigned long long pad;
struct sock *sock;
};
__attribute__((noinline))
static int test_long_fname_2(struct dummy_tracepoint_args *arg)
{
struct ipv_counts *counts;
int key = 0;
if (!arg->sock)
return 0;
counts = bpf_map_lookup_elem(&btf_map, &key);
if (!counts)
return 0;
counts->v6++;
/* just verify we can reference both maps */
counts = bpf_map_lookup_elem(&btf_map_legacy, &key);
if (!counts)
return 0;
return 0;
}
__attribute__((noinline))
static int test_long_fname_1(struct dummy_tracepoint_args *arg)
{
return test_long_fname_2(arg);
}
SEC("dummy_tracepoint")
int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
{
return test_long_fname_1(arg);
}
char _license[] SEC("license") = "GPL";
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