| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* Copyright (C) 2023. Huawei Technologies Co., Ltd */ |
| 3 | #include <linux/bpf.h> |
| 4 | #include <bpf/bpf_helpers.h> |
| 5 | |
| 6 | char _license[] SEC("license") = "GPL"; |
| 7 | |
| 8 | struct htab_val { |
| 9 | struct bpf_spin_lock lock; |
| 10 | unsigned int data; |
| 11 | }; |
| 12 | |
| 13 | struct { |
| 14 | __uint(type, BPF_MAP_TYPE_HASH); |
| 15 | __uint(max_entries, 64); |
| 16 | __type(key, unsigned int); |
| 17 | __type(value, struct htab_val); |
| 18 | __uint(map_flags, BPF_F_NO_PREALLOC); |
| 19 | } htab SEC(".maps"); |
| 20 |