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