1 | // SPDX-License-Identifier: GPL-2.0-only |
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2 | /* Copyright (c) 2020 Facebook */ |
3 | #include <stddef.h> |
4 | #include <linux/bpf.h> |
5 | #include <bpf/bpf_helpers.h> |
6 | #include "bpf_misc.h" |
7 | |
8 | __noinline int foo(struct __sk_buff *skb) |
9 | { |
10 | return bpf_get_prandom_u32(); |
11 | } |
12 | |
13 | SEC("cgroup_skb/ingress") |
14 | __success |
15 | int global_func8(struct __sk_buff *skb) |
16 | { |
17 | if (!foo(skb)) |
18 | return 0; |
19 | |
20 | return 1; |
21 | } |
22 |