26 lines
449 B
C
26 lines
449 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include "bpf_misc.h"
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__noinline
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int subprog_tc(struct __sk_buff *skb)
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{
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int ret = 1;
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__sink(skb);
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__sink(ret);
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/* let verifier know that 'subprog_tc' can change pointers to skb->data */
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bpf_skb_change_proto(skb, 0, 0);
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return ret;
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}
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SEC("tc")
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int entry_tc(struct __sk_buff *skb)
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{
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return subprog_tc(skb);
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}
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char __license[] SEC("license") = "GPL";
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