TCP Initial Window 10 MFC

[hiren panchasara]

Resurrecting this old thread.

On 04/23/15 at 01:29P, hiren panchasara wrote:
> On 03/04/14 at 10:22P, hiren panchasara wrote:
> > On Tue, Mar 4, 2014 at 7:38 PM, Lawrence Stewart <lstewart at freebsd.org> wrote:
> > <skip>
> > 
> > > I lost the battle of wills on this topic and 10.0 shipped with IW10
> > > enabled by default :(
> > >
> > > As for having it configurable, it is a trivial patch which perhaps,
> > > Hiren, you might be willing to take a stab at? I obviously did not
> > > manage to carve out the time last year to push forward with the agenda I
> > > proposed in this thread, but I will get back to it at some point.
> > 
> > Hi Lawrence,
> > 
> > Let's fix it the right way if possible.
> > 
> > Below is a rough/untested quick patch I came up with. Is this how you
> > were planning to have "nonstandard" sysctl knob designed?
> 
> A bit more updated patch:
> https://people.freebsd.org/~hiren/initcwnd.patch
> 
> How do we go about the existing knob 'sysctl
> net.inet.tcp.experimental.initcwnd10' ?
>

I am going to leave the existing sysctl initcwnd10 as is for now so
people can keep using it.

Here is the review: https://reviews.freebsd.org/D3858

Cheers,
Hiren
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