Date: Sat, 16 Mar 2024 10:51:28 +0000 From: Gary Jennejohn <garyj@gmx.de> To: Nuno Teixeira <eduardo@freebsd.org> Cc: tuexen@freebsd.org, current@freebsd.org, net@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: <20240316115128.33d11f7b@ernst.home> In-Reply-To: <CAFDf7UKT=FYsaXRacwsnjDkYUjT4_1QnHynWAc67yxQS8XA0Yw@mail.gmail.com> References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> <CAFDf7U%2BU3QpgsG-hY0u3tC_X9WKSRzuAM7Nfhzu-%2BqPBbs1nng@mail.gmail.com> <486915F0-456B-4B09-A8BC-93BBA79C4CA1@freebsd.org> <20240313080624.6c73908c@ernst.home> <508E3B47-8E1B-469F-97B1-2171A3098888@freebsd.org> <86a5n1i0xg.fsf@ltc.des.dev> <AE656D0C-FA5B-4194-8B57-4140CD57ABF1@freebsd.org> <CAFDf7UJRitdHz5QebNH9A4mNo0pKCBRfZCfmFgjNVSdCr_JXrw@mail.gmail.com> <78D1FF09-71A3-4486-B934-D8332F54B237@freebsd.org> <20240316104053.20bef8c2@ernst.home> <CAFDf7UKT=FYsaXRacwsnjDkYUjT4_1QnHynWAc67yxQS8XA0Yw@mail.gmail.com>
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On Sat, 16 Mar 2024 10:11:22 +0000 Nuno Teixeira <eduardo@freebsd.org> wrote: > (...) > > > These entries are missing in GENERIC: > > > > makeoptions WITH_EXTRA_TCP_STACKS=3D1 > > From https://cgit.freebsd.org/src/commit/?id=3D3a338c534154164504005beb0= 0a3c6feb03756cc > WITH_EXTRA_TCP_STACKS was dropped. > > > options TCPHPTS > > That's the missing option in GENERIC that could lead to my slow > opearations problem > > > options TCP_RACK > > Don't think I need this one as I will use kernel module instead of > building it in kernel. > > Resuming I only need to add: > > options TCPHPTS > > Is this correct? > Yeah, that will probably fix it. According to a comment in /usr/src/sys/netinet/tcp_hpts.c it adds a high precision timer system for tcp, used by RACK and BBR. =2D- Gary Jennejohn
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