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20 lines
332 B
C
20 lines
332 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2020 Facebook */
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#include <stddef.h>
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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__noinline int foo(struct __sk_buff *skb)
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{
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return bpf_get_prandom_u32();
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}
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SEC("cgroup_skb/ingress")
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int test_cls(struct __sk_buff *skb)
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{
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if (!foo(skb))
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return 0;
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return 1;
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}
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