27 lines
625 B
C
27 lines
625 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright (c) 2021 Facebook */
|
|
|
|
#include <stddef.h>
|
|
#include <linux/bpf.h>
|
|
#include <linux/types.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/tcp.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
#include <bpf/bpf_tracing.h>
|
|
#include "bpf_tcp_helpers.h"
|
|
|
|
char _license[] SEC("license") = "GPL";
|
|
const char cubic[] = "cubic";
|
|
|
|
void BPF_STRUCT_OPS(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",
|
|
};
|