From: Stephen Hemminger <shemminger@vyatta.com>
To: Dimitris Michailidis <dm@chelsio.com>
Cc: David Miller <davem@davemloft.net>,
Olof Johansson <olof@lixom.net>,
Ben Hutchings <bhutchings@solarflare.com>,
Divy Le Ray <divy@chelsio.com>,
netdev@vger.kernel.org
Subject: Re: Misuse of LRO, how widespread
Date: Mon, 6 Dec 2010 14:27:15 -0800 [thread overview]
Message-ID: <20101206142715.0d296b25@nehalam> (raw)
In-Reply-To: <4CFD527E.7000706@chelsio.com>
On Mon, 06 Dec 2010 13:15:42 -0800
Dimitris Michailidis <dm@chelsio.com> wrote:
> Stephen Hemminger wrote:
> > I inspected all drivers in net-next to see which drivers are using
> > LRO and which ones are broken. Most concerning is that Chelsio
> > and Solarflare drivers ignore ETH_FLAG_LRO.
> >
> > The ones that are using LRO but allow disabling it:
> > qlcnic, netxen, mv643, s2io, myi10ge, bnx2x, ixgbe, vmxnet3
> >
> > One driver seems confused about LRO vs GRO:
> > mlx4 - comments about LRO and depends on LRO but driver is using GRO
> >
> > Drivers with not using ethtool interface to disable LRO:
> > pasemi_mac, sfc, ehea, cxgb3, cxgb4
>
> cxgb4 uses GRO, not LRO.
Ok. but cxgb3 still uses LRO (or it least calls it lro).
--
next prev parent reply other threads:[~2010-12-06 22:27 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 20:18 Misuse of LRO, how widespread Stephen Hemminger
2010-12-06 20:30 ` Ben Hutchings
2010-12-06 22:33 ` Stephen Hemminger
2010-12-06 22:35 ` Ben Hutchings
2010-12-10 23:03 ` David Miller
2010-12-06 21:15 ` Dimitris Michailidis
2010-12-06 22:27 ` Stephen Hemminger [this message]
2010-12-06 23:05 ` Dimitris Michailidis
2010-12-06 23:22 ` Ben Hutchings
2010-12-06 23:36 ` Dimitris Michailidis
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