1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2021 Isovalent, Inc. */ 3 #include <linux/bpf.h> 4 #include <bpf/bpf_helpers.h> 5 6 struct inner { 7 __uint(type, BPF_MAP_TYPE_ARRAY); 8 __type(key, __u32); 9 __type(value, int); 10 __uint(max_entries, 4); 11 }; 12 13 struct { 14 __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS); 15 __uint(max_entries, 0); /* This will make map creation to fail */ 16 __type(key, __u32); 17 __array(values, struct inner); 18 } mim SEC(".maps"); 19 20 SEC("xdp") 21 int xdp_noop0(struct xdp_md *ctx) 22 { 23 return XDP_PASS; 24 } 25 26 char _license[] SEC("license") = "GPL"; 27