netdev - Re: Quota in __qdisc_run() (was: qdisc: validate skb without holding lock)

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Message-ID: <1412694374.11091.132.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 07 Oct 2014 08:06:14 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	Jesper Dangaard Brouer <brouer@...hat.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	therbert@...gle.com, fw@...len.de, dborkman@...hat.com,
	jhs@...atatu.com, alexander.duyck@...il.com,
	john.r.fastabend@...el.com, dave.taht@...il.com, toke@...e.dk
Subject: Re: Quota in __qdisc_run() (was: qdisc: validate skb without
 holding lock)

On Tue, 2014-10-07 at 08:01 -0700, Eric Dumazet wrote:

> Quota was a packet quota, which was quite irrelevant if segmentation had
> to be done, so I would just let the dequeue be done so that we benefit
> from optimal xmit_more.

And it also is better to allow receiver to get full LRO/GRO aggregation,
if we do not break GSO train in multiple parts.




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