netdev - Re: question on netdev_completed

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Message-ID: <1352489910.19779.770.camel@edumazet-glaptop>
Date:	Fri, 09 Nov 2012 11:38:30 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	Oliver Neukum <oliver@...kum.org>, netdev@...r.kernel.org
Subject: Re: question on netdev_completed_queue()

On Fri, 2012-11-09 at 17:09 +0000, Ben Hutchings wrote:

> The underlying DQL algorithm doesn't care what it's counting.  However
> the administrator can adjust the queue limits through sysfs, and they
> will expect the numbers to be byte counts.

Yes, skb->len should be a fine approximation, even if slightly wrong for
TSO packets.


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