netdev - Re: [PATCH for-2.6.35] tun: avoid BUG, dump packet on GSO errors

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Message-ID: <20100722130512.GA29088@gondor.apana.org.au>
Date:	Thu, 22 Jul 2010 21:05:12 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH for-2.6.35] tun: avoid BUG, dump packet on GSO errors

Michael S. Tsirkin <mst@...hat.com> wrote:
> There are still some LRO cards that cause GSO errors in tun,
> and BUG on this is an unfriendly way to tell the admin
> to disable LRO.
> 
> Further, experience shows we might have more GSO bugs lurking.
> See https://bugzilla.kernel.org/show_bug.cgi?id=16413
> as a recent example.
> dumping a packet will make it easier to figure it out.
> 
> Replace BUG with warning+dump+drop the packet to make
> GSO errors in tun less critical and easier to debug.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> Tested-by: Alex Unigovsky <unik@...pot.ru>

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>
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Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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