1 // SPDX-License-Identifier: GPL-2.0 2 3 #include "bpf_tracing_net.h" 4 #include <bpf/bpf_helpers.h> 5 #include <bpf/bpf_tracing.h> 6 7 char _license[] SEC("license") = "GPL"; 8 9 SEC("struct_ops") BPF_PROG(incompl_cong_ops_ssthresh,struct sock * sk)10__u32 BPF_PROG(incompl_cong_ops_ssthresh, struct sock *sk) 11 { 12 return tcp_sk(sk)->snd_ssthresh; 13 } 14 15 SEC("struct_ops") BPF_PROG(incompl_cong_ops_undo_cwnd,struct sock * sk)16__u32 BPF_PROG(incompl_cong_ops_undo_cwnd, struct sock *sk) 17 { 18 return tcp_sk(sk)->snd_cwnd; 19 } 20 21 SEC(".struct_ops") 22 struct tcp_congestion_ops incompl_cong_ops = { 23 /* Intentionally leaving out any of the required cong_avoid() and 24 * cong_control() here. 25 */ 26 .ssthresh = (void *)incompl_cong_ops_ssthresh, 27 .undo_cwnd = (void *)incompl_cong_ops_undo_cwnd, 28 .name = "bpf_incompl_ops", 29 }; 30