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