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From:
Nick Owens <mischief@offblast.org>
Subject:
Re: PF queue bandwidth now works upto ~34.36 Gbps with 'set queue-units bytes'
To:
tech@openbsd.org
Date:
Sun, 1 Mar 2026 09:03:54 -0800

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On Sun, Mar 01, 2026 at 05:21:13PM +0100, Mark Kettenis wrote:
> > From: Michał Markowski <markowski1@gmail.com>
> > Date: Sun, 1 Mar 2026 17:07:55 +0100
> > 
> > Even if these rates aren’t commonly seen on OpenBSD firewalls today,
> > interfaces faster than ~34 Gbps are already widely available, so this
> > new limit doesn’t feel very future-proof either.

+1, please future proof this. there's already ISP services approaching
this limit like init7 (25Gbit), and there are already multi-hundred
gigabit interfaces available commercially. while they may not be
available in the hands of openbsd users today, this will only get more
common in the future.

> 
> And changing the unit is just as much an ABI change as changing the
> type.  And at least when changing the type, the compiler will provide
> you with some warnings or errors if you don't handle the wider type
> correctly in userland.
>