From owner-freebsd-pf@freebsd.org  Wed Mar  4 10:03:12 2020
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From: "Kristof Provost" <kp@FreeBSD.org>
To: "Sean Yeh" <sean.yeh117@gmail.com>
Cc: freebsd-pf@freebsd.org
Subject: Re: ALTQ feature of PF in FreeBSD
Date: Wed, 04 Mar 2020 11:03:09 +0100
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On 29 Feb 2020, at 0:35, Sean Yeh wrote:
> Hi FreeBSD-pf members,
>
> I hope you guys are enjoying your weekend!
>
> I was wondering if any of you happened to know if the code for the 
> ALTQ
> feature of pf could be separated and used for NetBSD's pf function. 
> I'm
> currently investigating methods to improve NetBSD's ALTQ feature, 
> which
> hasn't been updated in 15+ years:
> https://wiki.netbsd.org/projects/project/altq/
>
> According to the man pages of freeBSD's pf function, FreeBSD uses a
> modified pf of openBSD 4.5 pf function. Are there any complications 
> that
> you foresee trying to port FreeBSD's current ALTQ code into NetBSD?
>
> Thank you for all your help,
>
It might be more interesting to look at dummynet.
Last year there was a GSoC proposal (in FreeBSD) to port dummynet to pf. 
Sadly the project wasn’t selected, but I believe the student did spend 
some time on investigating it.

I’ll ask them to get in touch with you.

Best regards,
Kristof