netdev - Re: macvtap: Limit packet queue length

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Message-ID: <1279814726.3211.5.camel@localhost.localdomain>
Date:	Thu, 22 Jul 2010 09:05:26 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Mark Wagner <mwagner@...hat.com>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: macvtap: Limit packet queue length

On Thu, 2010-07-22 at 11:30 +0200, Arnd Bergmann wrote:
> In the TX direction, we really don't queue, since we simply forward
> to the lowerdev tx queue, so exposing the tunable to user space
> as the tx queue length is a little bit awkward, as well as
> inconsistent
> between macvtap and macvlan.

Maybe we can use lowerdev backlog queue size here from receiving path
here?

thanks
Shirley

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