linux/tools/testing/selftests/bpf/progs/update_map_in_htab.c

31 lines
764 B
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2024. Huawei Technologies Co., Ltd */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
struct inner_map_type {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(key_size, 4);
__uint(value_size, 4);
__uint(max_entries, 1);
} inner_map SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
__type(key, int);
__type(value, int);
__uint(max_entries, 2);
__array(values, struct inner_map_type);
} outer_htab_map SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
__uint(map_flags, BPF_F_NO_PREALLOC);
__type(key, int);
__type(value, int);
__uint(max_entries, 2);
__array(values, struct inner_map_type);
} outer_alloc_htab_map SEC(".maps");
char _license[] SEC("license") = "GPL";