netdev - Re: [PATCH v2 14/16] Intel net drivers: convert to ndo_fix

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Message-ID: <1302188405.2789.25.camel@jtkirshe-MOBL1>
Date:	Thu, 07 Apr 2011 08:00:05 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Ben Hutchings <bhutchings@...arflare.com>
Subject: Re: [PATCH v2 14/16] Intel net drivers: convert to ndo_fix_features

On Thu, 2011-04-07 at 05:51 -0700, Michał Mirosław wrote:
> On Wed, Jan 26, 2011 at 01:47:46AM -0800, Jeff Kirsher wrote:
> > 2011/1/22 Michał Mirosław <mirq-linux@...e.qmqm.pl>:
> > > Private rx_csum flags are now duplicate of netdev->features & NETIF_F_RXCSUM.
> > > Removing this needs deeper surgery.
> > >
> > > Since ixgbevf doesn't change hardware state on RX csum enable/disable
> > > its reset is avoided.
> > >
> > > Things noticed:
> > >  - e1000, e1000e and ixgb have RX csum disabled by default
> > >  - HW VLAN acceleration probably can be toggled, but it's left as is
> > >  - the resets on RX csum offload change can probably be avoided
> > >  - there is A LOT of copy-and-pasted code here
> [...]
> > Upon initial reviews of the patch, we found issues with the e1000e
> > changes so far.  We are working to put together a patch to resolve the
> > issues (and to do the conversion to ndo_fix_features).  Based on the
> > initial work done by Michal, we can take care of the changes necessary
> > for the Intel Wired Ethernet drivers, and will wait for acceptance of
> > the net and ethtool changes before pushing the Intel patch.  Is that
> > acceptable?
> > 
> > For e1000e, this patch breaks the ability to manually override the
> > default behavior of disabling TSO for 10/100, and there is some
> > additional cleanup that can be done w.r.t. Rx csum flags.
> 
> I resent other patches after the ethtool changes got it 2.6.39-rc, but skipped
> this one based on your mail. Do you want me to resend parts not relevant
> to e1000e or can I drop it altogether from my queue?
> 
> Best Regards,
> Michał Mirosław

You can drop them from your queue.  We have been working on these
patches.  We found other issues with the other drivers as well, so we
are making the appropriate changes to get this conversion completed.

Thanks Michal.

Cheers,
Jeff

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