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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018 Facebook */
#include <stddef.h>
#include <linux/bpf.h>
#include <linux/types.h>
#include "bpf_helpers.h"
struct bpf_map_def SEC("maps") mim_array = {
.type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
.key_size = sizeof(int),
/* must be sizeof(__u32) for map in map */
.value_size = sizeof(__u32),
.max_entries = 1,
.map_flags = 0,
};
struct bpf_map_def SEC("maps") mim_hash = {
.type = BPF_MAP_TYPE_HASH_OF_MAPS,
.key_size = sizeof(int),
/* must be sizeof(__u32) for map in map */
.value_size = sizeof(__u32),
.max_entries = 1,
.map_flags = 0,
};
SEC("xdp_mimtest")
int xdp_mimtest0(struct xdp_md *ctx)
{
int value = 123;
int key = 0;
void *map;
map = bpf_map_lookup_elem(&mim_array, &key);
if (!map)
return XDP_DROP;
bpf_map_update_elem(map, &key, &value, 0);
map = bpf_map_lookup_elem(&mim_hash, &key);
if (!map)
return XDP_DROP;
bpf_map_update_elem(map, &key, &value, 0);
return XDP_PASS;
}
int _version SEC("version") = 1;
char _license[] SEC("license") = "GPL";
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