// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ #include "bpf_tracing_net.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> char _license[] SEC("license") = "GPL"; const char cubic[] = "cubic"; SEC("struct_ops") void BPF_PROG(dctcp_nouse_release, struct sock *sk) { bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION, (void *)cubic, sizeof(cubic)); } SEC(".struct_ops") struct tcp_congestion_ops dctcp_rel = { .release = (void *)dctcp_nouse_release, .name = "bpf_dctcp_rel", };