1*cb55657cSHou Tao // SPDX-License-Identifier: GPL-2.0 2*cb55657cSHou Tao /* Copyright (C) 2024. Huawei Technologies Co., Ltd */ 3*cb55657cSHou Tao #include <linux/bpf.h> 4*cb55657cSHou Tao #include <bpf/bpf_helpers.h> 5*cb55657cSHou Tao 6*cb55657cSHou Tao struct inner_map_type { 7*cb55657cSHou Tao __uint(type, BPF_MAP_TYPE_ARRAY); 8*cb55657cSHou Tao __uint(key_size, 4); 9*cb55657cSHou Tao __uint(value_size, 4); 10*cb55657cSHou Tao __uint(max_entries, 1); 11*cb55657cSHou Tao } inner_map SEC(".maps"); 12*cb55657cSHou Tao 13*cb55657cSHou Tao struct { 14*cb55657cSHou Tao __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); 15*cb55657cSHou Tao __type(key, int); 16*cb55657cSHou Tao __type(value, int); 17*cb55657cSHou Tao __uint(max_entries, 2); 18*cb55657cSHou Tao __array(values, struct inner_map_type); 19*cb55657cSHou Tao } outer_htab_map SEC(".maps"); 20*cb55657cSHou Tao 21*cb55657cSHou Tao struct { 22*cb55657cSHou Tao __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS); 23*cb55657cSHou Tao __uint(map_flags, BPF_F_NO_PREALLOC); 24*cb55657cSHou Tao __type(key, int); 25*cb55657cSHou Tao __type(value, int); 26*cb55657cSHou Tao __uint(max_entries, 2); 27*cb55657cSHou Tao __array(values, struct inner_map_type); 28*cb55657cSHou Tao } outer_alloc_htab_map SEC(".maps"); 29*cb55657cSHou Tao 30*cb55657cSHou Tao char _license[] SEC("license") = "GPL"; 31