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Date: Mon, 21 Nov 2016 13:20:35 -0800
From: Hiren Panchasara <hiren@FreeBSD.org>
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: Re: svn commit: r308943 - head/sys/netinet
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Forgot to tag for MFC.

On 11/21/16 at 08:53P, Hiren Panchasara wrote:
> Author: hiren
> Date: Mon Nov 21 20:53:11 2016
> New Revision: 308943
> URL: https://svnweb.freebsd.org/changeset/base/308943
>=20
> Log:
>   For RTT calculations mid-session, we explicitly ignore ACKs with tsecr =
of 0 as
>   many borken middle-boxes tend to do that. But during 3whs, in syncache_=
expand(),
>   we don't do that which causes us to send a RST to such a client. Relax =
this
>   constraint by only using tsecr to compare against timestamp that we sen=
t when it
>   is not 0. As a result, we'd now accept the final ACK of 3whs with tsecr=
 of 0.
>  =20
>   Reviewed by:	    jtl, gnn
>   Sponsored by:	    Limelight Networks
>   Differential Revision:	https://reviews.freebsd.org/D8552
MFC after: 2 weeks

Cheers,
Hiren

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