cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bpf_dctcp_release.c (625B)


      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2021 Facebook */
      3
      4#include <stddef.h>
      5#include <linux/bpf.h>
      6#include <linux/types.h>
      7#include <linux/stddef.h>
      8#include <linux/tcp.h>
      9#include <bpf/bpf_helpers.h>
     10#include <bpf/bpf_tracing.h>
     11#include "bpf_tcp_helpers.h"
     12
     13char _license[] SEC("license") = "GPL";
     14const char cubic[] = "cubic";
     15
     16void BPF_STRUCT_OPS(dctcp_nouse_release, struct sock *sk)
     17{
     18	bpf_setsockopt(sk, SOL_TCP, TCP_CONGESTION,
     19		       (void *)cubic, sizeof(cubic));
     20}
     21
     22SEC(".struct_ops")
     23struct tcp_congestion_ops dctcp_rel = {
     24	.release	= (void *)dctcp_nouse_release,
     25	.name		= "bpf_dctcp_rel",
     26};