From: Ben Hutchings <bhutchings@solarflare.com>
To: Jan Ceuleers <jan.ceuleers@computer.org>
Cc: Stephen Hemminger <shemminger@vyatta.com>, netdev@vger.kernel.org
Subject: Re: Default offload settings in Ethernet drivers
Date: Thu, 11 Dec 2008 19:52:48 +0000 [thread overview]
Message-ID: <1229025168.3006.41.camel@achroite> (raw)
In-Reply-To: <49416A4B.7060205@computer.org>
On Thu, 2008-12-11 at 20:30 +0100, Jan Ceuleers wrote:
> Stephen Hemminger wrote:
> > I don't think there will be any difference. Linux (mainline) doesn't
> > do TOE. It does do segmentation offload, and any driver that can
> > do segmentation offload enables it by default.
>
> Stephen,
>
> Thanks for your reply. My experience with the r8169 driver is that it
> does support rx checksumming, tx checksumming, scatter/gather and tcp
> segmentation, but out of the above only enables rx checksumming by default.
>
> The other two ethernet drivers I have hardware for don't support any
> hardware-assisted offloads (that is: they all support generic
> segmentation offload but that isn't hardware-assisted and it is also not
> enabled by default).
Since v2.6.27, GSO is enabled by default for devices that can do TX
scatter/gather and checksum offload.
Ben.
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
prev parent reply other threads:[~2008-12-11 19:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-11 18:41 Default offload settings in Ethernet drivers Jan Ceuleers
2008-12-11 18:54 ` Stephen Hemminger
2008-12-11 19:10 ` Rick Jones
2008-12-11 19:29 ` Ben Hutchings
2008-12-11 19:30 ` Jan Ceuleers
2008-12-11 19:52 ` Ben Hutchings [this message]
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