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