1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/bpf.h>
4 #include <bpf/bpf_helpers.h>
5 #include "bpf_misc.h"
6
7 __noinline
8 int subprog(struct __sk_buff *skb)
9 {
10 int ret = 1;
11
12 __sink(ret);
13 return ret;
14 }
15
16 SEC("tc")
17 int entry_tc(struct __sk_buff *skb)
18 {
19 return subprog(skb);
20 }
21
22 char __license[] SEC("license") = "GPL";
23
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