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| // SPDX-License-Identifier: GPL-2.0
| // Copyright (c) 2019 Facebook
| #include <linux/bpf.h>
| #include <bpf/bpf_helpers.h>
|
| char _license[] SEC("license") = "GPL";
|
| SEC("socket")
| int combinations(volatile struct __sk_buff* skb)
| {
| int ret = 0, i;
|
| #pragma nounroll
| for (i = 0; i < 20; i++)
| if (skb->len)
| ret |= 1 << i;
| return ret;
| }
|
|
