netdev - Re: tap/bridge: Dropping NETIF_F_GSO/NETIF_F

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Message-ID: <20110505100506.GA20111@gondor.apana.org.au>
Date:	Thu, 5 May 2011 20:05:06 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Shan Wei <shanwei@...fujitsu.com>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Michał Mirosław <mirq-linux@...e.qmqm.pl>,
	netdev@...r.kernel.org, Ben Hutchings <bhutchings@...arflare.com>
Subject: Re: tap/bridge: Dropping NETIF_F_GSO/NETIF_F_SG

On Thu, May 05, 2011 at 05:34:43PM +0800, Shan Wei wrote:
>
> TUN_F_TSO4, TUN_F_TSO6, TUN_F_TSO_ECN, TUN_F_UFO these features are 
> depend on NETIF_F_SG. If NETIF_F_SG is not set, these features are not be
> enabled and  warnings are printed in netdev_fix_features().

No, when the user turns off checksum offload everything should
be turned off as well.  However, when it's turned on, we shouldn't
enable everything automatically.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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