From: "John W. Linville" <linville@tuxdriver.com>
To: Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Pravin B Shelar <pshelar@nicira.com>,
Jiri Benc <jbenc@redhat.com>, Jesse Gross <jesse@nicira.com>,
Hannes Frederic Sowa <hannes@stressinduktion.org>
Subject: Re: [PATCH net] geneve: initialize needed_headroom
Date: Wed, 23 Dec 2015 10:27:23 -0500 [thread overview]
Message-ID: <20151223152722.GD20729@tuxdriver.com> (raw)
In-Reply-To: <c891d011ef98267cd72157a5b01c78347ada8d8e.1450883640.git.pabeni@redhat.com>
On Wed, Dec 23, 2015 at 04:21:48PM +0100, Paolo Abeni wrote:
> Currently the needed_headroom field for the geneve device is left
> to the default value.
>
> This patch set it to space required for basic geneve encapsulation,
> so that we can avoid the skb head re-allocation on xmit.
>
> This give a 6% speedup for unsegment traffic on geneve tunnel.
>
> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: John W. Linville <linville@tuxdriver.com>
--
John W. Linville Someday the world will need a hero, and you
linville@tuxdriver.com might be all we have. Be ready.
next prev parent reply other threads:[~2015-12-23 15:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-23 15:21 [PATCH net] geneve: initialize needed_headroom Paolo Abeni
2015-12-23 15:27 ` John W. Linville [this message]
2015-12-23 15:35 ` Hannes Frederic Sowa
2015-12-23 15:39 ` Paolo Abeni
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