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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2021 Facebook */3 4#include "bpf_tracing_net.h"5#include <bpf/bpf_helpers.h>6#include <bpf/bpf_tracing.h>7 8char _license[] SEC("license") = "GPL";9const char cubic[] = "cubic";10 11SEC("struct_ops")12void BPF_PROG(dctcp_nouse_release, struct sock *sk)13{14 bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,15 (void *)cubic, sizeof(cubic));16}17 18SEC(".struct_ops")19struct tcp_congestion_ops dctcp_rel = {20 .release = (void *)dctcp_nouse_release,21 .name = "bpf_dctcp_rel",22};23