| 1 |
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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 |
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| 20 | SEC("xdp") 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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