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Subject: Re: dscp set/get
From: Franco Fichtner <franco@lastsummer.de>
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Date: Thu, 6 Oct 2016 17:48:25 +0200
Cc: Mark Martinec <Mark.Martinec+freebsd@ijs.si>,
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To: Kristof Provost <kp@freebsd.org>
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> On 06 Oct 2016, at 3:32 PM, Kristof Provost <kp@freebsd.org> wrote:
>=20
> OpenBSD seem to just always preserve the ECN bits (so there=E2=80=99s =
no dscp keyword).
> Perhaps we should do the same.

The following will import the OpenBSD code regarding the subject.
I retained the old manual style that is in FreeBSD to make the
additions fit in better.  Completely backwards-compatible, except
for the change in behaviour regarding to ignore ECN on set/match.

The ECN change is from 2012, so it's safe to assume it works.  ;)

https://reviews.freebsd.org/D8165


Cheers,
Franco=