netdev - Re: [RFC PATCH] net: fold dev_disable_lro() into netdev_fix

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Message-ID: <20110512160621.GA6588@rere.qmqm.pl>
Date:	Thu, 12 May 2011 18:06:21 +0200
From:	Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, shemminger@...ux-foundation.org,
	kuznet@....inr.ac.ru, pekkas@...core.fi, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net, eric.dumazet@...il.com,
	therbert@...gle.com, bhutchings@...arflare.com,
	bridge@...ts.linux-foundation.org
Subject: Re: [RFC PATCH] net: fold dev_disable_lro() into
 netdev_fix_features()

On Mon, May 09, 2011 at 12:08:11PM -0700, David Miller wrote:
> From: Michał Mirosław <mirq-linux@...e.qmqm.pl>
> Date: Sat,  7 May 2011 13:48:02 +0200 (CEST)
> > This moves checks that device is forwarding from bridge, IPv4 and IPv6
> > code into netdev_fix_features(). As a side effect, after device is no longer
> > forwarding it gets LRO back. This also means that user is not allowed to
> > enable LRO after device is put to forwarding mode.
> We need to keep the check in the protocols because we don't want to
> be testing protocol specific device state in generic code like
> net/core/dev.c

I modified it to use priv_flags that mirror the protocol-internal state.
Patch follows.

Best Regards,
Michał Mirosław
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