From: Ben Hutchings <bhutchings@solarflare.com>
To: Oliver Neukum <oliver@neukum.org>
Cc: <netdev@vger.kernel.org>
Subject: Re: question on netdev_completed_queue()
Date: Thu, 8 Nov 2012 20:44:13 +0000 [thread overview]
Message-ID: <1352407453.2771.18.camel@bwh-desktop.uk.solarflarecom.com> (raw)
In-Reply-To: <1476426.QTHA7ibVHZ@linux-lqwf.site>
On Thu, 2012-11-08 at 20:38 +0100, Oliver Neukum wrote:
> Hi,
>
> is this function to be called whenever a driver is done with transmitting
> data, whether the transmission be successful or not?
Yes, BQL tracks number of packets and bytes in each queue and you have
to tell it about all insertions and removals from the queue. (Except
that if you flush the queue, you can use netdev_reset_queue() rather
than trying to counting the remaining packets and bytes.)
Ben.
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
next prev parent reply other threads:[~2012-11-08 20:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-08 19:38 question on netdev_completed_queue() Oliver Neukum
2012-11-08 20:44 ` Ben Hutchings [this message]
2012-11-09 16:58 ` Oliver Neukum
2012-11-09 17:09 ` Ben Hutchings
2012-11-09 19:38 ` Eric Dumazet
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