1 // SPDX-License-Identifier: GPL-2.0
2 
3 #include "vmlinux.h"
4 
5 #include <bpf/bpf_helpers.h>
6 #include <bpf/bpf_tracing.h>
7 
8 char _license[] SEC("license") = "GPL";
9 
10 SEC("struct_ops/unsupp_cong_op_get_info")
11 size_t BPF_PROG(unsupp_cong_op_get_info, struct sock *sk, u32 ext, int *attr,
12 		union tcp_cc_info *info)
13 {
14 	return 0;
15 }
16 
17 SEC(".struct_ops")
18 struct tcp_congestion_ops unsupp_cong_op = {
19 	.get_info = (void *)unsupp_cong_op_get_info,
20 	.name = "bpf_unsupp_op",
21 };
22