netdev - Re: [net-next PATCH] dql: add a burst attribute

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Message-ID: <20140930134655.GA24565@breakpoint.cc>
Date:	Tue, 30 Sep 2014 15:46:55 +0200
From:	Florian Westphal <fw@...len.de>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Jesper Dangaard Brouer <brouer@...hat.com>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Tom Herbert <therbert@...gle.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Florian Westphal <fw@...len.de>,
	Daniel Borkmann <dborkman@...hat.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Alexander Duyck <alexander.duyck@...il.com>,
	John Fastabend <john.r.fastabend@...el.com>,
	Dave Taht <dave.taht@...il.com>, toke@...e.dk
Subject: Re: [net-next PATCH] dql: add a burst attribute

Eric Dumazet <eric.dumazet@...il.com> wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> Add a new dql attribute, to control how much packets we are allowed to
> burst from qdisc to device.

I understand the motivation for this, but I find it a bit out-of-place
to have a 'packet' type counter in bql context?

Would it perhaps make more sense to restrict bulk dequeues by an upper
(possibly changeable from userspace) byte counter limit?

Thanks,
Florian
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