1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (C) 2024. Huawei Technologies Co., Ltd */ 3 #include <linux/bpf.h> 4 #include <bpf/bpf_helpers.h> 5 6 struct inner_map_type { 7 __uint(type, BPF_MAP_TYPE_ARRAY); 8 __uint(key_size, 4); 9 __uint(value_size, 4); 10 __uint(max_entries, 1); 11 } inner_map SEC(".maps"); 12 13 struct { 14 __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); 15 __type(key, int); 16 __type(value, int); 17 __uint(max_entries, 2); 18 __array(values, struct inner_map_type); 19 } outer_htab_map SEC(".maps"); 20 21 struct { 22 __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); 23 __uint(map_flags, BPF_F_NO_PREALLOC); 24 __type(key, int); 25 __type(value, int); 26 __uint(max_entries, 2); 27 __array(values, struct inner_map_type); 28 } outer_alloc_htab_map SEC(".maps"); 29 30 char _license[] SEC("license") = "GPL"; 31