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Date:      Wed, 2 May 2018 07:59:21 -0700
From:      hiren panchasara <hiren@strugglingcoder.info>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Jonathan Looney <jonlooney@gmail.com>, Randall Stewart <rrs@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r332770 - in head/sys: conf netinet netinet/tcp_stacks sys
Message-ID:  <20180502145921.GA34324@strugglingcoder.info>
In-Reply-To: <CANCZdfpM8iFO5T79_mHzaTGPZsg=4YkUhctKQdHxXMxNGiqjEw@mail.gmail.com>
References:  <201804191338.w3JDc0to002106@repo.freebsd.org> <20180430071646.GE3653@strugglingcoder.info> <CADrOrmuVuSV2y3DRVxDfD7xT46rMkcEj19X1MQhSwVa%2BSZs6ng@mail.gmail.com> <CANCZdfpM8iFO5T79_mHzaTGPZsg=4YkUhctKQdHxXMxNGiqjEw@mail.gmail.com>

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On 05/01/18 at 05:11P, Warner Losh wrote:
> On Tue, May 1, 2018 at 5:00 PM, Jonathan Looney <jonlooney@gmail.com> wro=
te:
>=20
> > On Mon, Apr 30, 2018 at 3:16 AM, hiren panchasara <
> > hiren@strugglingcoder.info> wrote:
> > >
> > > In my understanding, default stack currently cannot use this mechanis=
m.
> > When do
> > > you think that'll be possible?
> >
> >
> > I think I can speak to Randall's plans for this.

Thank you!
> >
> > Randall chose not to include in this commit the hooks for the default
> > stack to use the high-precision timers. I believe his immediate priorit=
ies
> > are upstreaming RACK and BBR. After that, if there is demand, he may
> > upstream the (relatively untested) code that allows the default stack to
> > use the high-precision timers (protected by a non-default kernel option=
) so
> > others can choose to experiment with it.

I believe it'd be useful to be able to pace packets with the traditional
stack.
> >
> > (By the way, we're hoping to change the terminology away from describing
> > the traditional FreeBSD stack as the "default" stack. In theory, someone
> > can make any stack be their local default. We'll need to figure out wha=
t to
> > actually call it at some point. My suggestion was the "FreeBSD" stack,
> > although that is lacking in some imagination. In any case, we should ha=
ve
> > that discussion at some point in the future.
> >
>=20
> Only slightly less poor would be "traditional" stack :)

See, I've already started using this name. :-)

Cheers,
Hiren

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