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