1 | // SPDX-License-Identifier: GPL-2.0 |
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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 |