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/* Copyright (c) 2017 Facebook
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
#include <stddef.h>
#include <linux/bpf.h>
#include <linux/pkt_cls.h>
#include "bpf_helpers.h"
/* It is a dumb bpf program such that it must have no
* issue to be loaded since testing the verifier is
* not the focus here.
*/
int _version SEC("version") = 1;
struct bpf_map_def SEC("maps") test_map_id = {
.type = BPF_MAP_TYPE_ARRAY,
.key_size = sizeof(__u32),
.value_size = sizeof(__u64),
.max_entries = 1,
};
SEC("test_prog_id")
int test_prog_id(struct __sk_buff *skb)
{
__u32 key = 0;
__u64 *value;
value = bpf_map_lookup_elem(&test_map_id, &key);
return TC_ACT_OK;
}
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