// SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2017 Facebook */ #include <stddef.h> #include <linux/bpf.h> #include <linux/pkt_cls.h> #include "bpf_helpers.h" /* It is a dumb bpf program such that it must have no * issue to be loaded since testing the verifier is * not the focus here. */ int _version SEC("version") = 1; struct { __uint(type, BPF_MAP_TYPE_ARRAY); __uint(max_entries, 1); __type(key, __u32); __type(value, __u64); } test_map_id SEC(".maps"); SEC("test_obj_id_dummy") int test_obj_id(struct __sk_buff *skb) { __u32 key = 0; __u64 *value; value = bpf_map_lookup_elem(&test_map_id, &key); return TC_ACT_OK; }