| 1 | /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */ |
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| 2 | #include <linux/bpf.h> |
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| 3 | #include <bpf/bpf_helpers.h> |
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| 4 | |
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| 5 | struct { |
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| 6 | __uint(type, BPF_MAP_TYPE_HASH); |
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| 7 | __type(key, __u32); |
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| 8 | __type(value, long); |
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| 9 | __uint(max_entries, 2); |
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| 10 | } htab SEC(".maps" ); |
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| 11 | |
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| 12 | struct { |
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| 13 | __uint(type, BPF_MAP_TYPE_ARRAY); |
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| 14 | __type(key, __u32); |
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| 15 | __type(value, long); |
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| 16 | __uint(max_entries, 2); |
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| 17 | } array SEC(".maps" ); |
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| 18 | |
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| 19 | /* Sample program which should always load for testing control paths. */ |
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| 20 | SEC(".text" ) int func() |
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| 21 | { |
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| 22 | __u64 key64 = 0; |
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| 23 | __u32 key = 0; |
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| 24 | long *value; |
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| 25 | |
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| 26 | value = bpf_map_lookup_elem(&htab, &key); |
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| 27 | if (!value) |
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| 28 | return 1; |
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| 29 | value = bpf_map_lookup_elem(&array, &key64); |
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| 30 | if (!value) |
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| 31 | return 1; |
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| 32 | |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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