bpf/progs/test_map_in_map_invalid.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright (c) 2021 Isovalent, Inc. */
0003 #include <linux/bpf.h>
0004 #include <bpf/bpf_helpers.h>
0005
0006 struct inner {
0007     __uint(type, BPF_MAP_TYPE_ARRAY);
0008     __type(key, __u32);
0009     __type(value, int);
0010     __uint(max_entries, 4);
0011 };
0012
0013 struct {
0014     __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
0015     __uint(max_entries, 0); /* This will make map creation to fail */
0016     __type(key, __u32);
0017     __array(values, struct inner);
0018 } mim SEC(".maps");
0019
0020 SEC("xdp")
0021 int xdp_noop0(struct xdp_md *ctx)
0022 {
0023     return XDP_PASS;
0024 }
0025
0026 char _license[] SEC("license") = "GPL";