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