netdev - Re: [PATCH RESEND] bnx2x: fix crash during TSO tunneling

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Date:	Thu, 24 Jul 2014 23:44:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	Dmitry.Kravkov@...gic.com
Cc:	eric.dumazet@...il.com, dkravkov@...il.com, netdev@...r.kernel.org,
	ypei@...hat.com, mschmidt@...hat.com
Subject: Re: [PATCH RESEND] bnx2x: fix crash during TSO tunneling

From: Dmitry Kravkov <Dmitry.Kravkov@...gic.com>
Date: Thu, 24 Jul 2014 21:48:34 +0000

> 
>> -----Original Message-----
>> From: Eric Dumazet [mailto:eric.dumazet@...il.com]
>> Sent: Thursday, July 24, 2014 7:38 PM
>> To: Dmitry Kravkov
>> Cc: netdev; David Miller; ypei@...hat.com; mschmidt@...hat.com; Dmitry
>> Kravkov
>> Subject: Re: [PATCH RESEND] bnx2x: fix crash during TSO tunneling
>> 
>> On Thu, 2014-07-24 at 18:54 +0300, Dmitry Kravkov wrote:
>> > From: Dmitry Kravkov <Dmitry.Kravkov@...gic.com>
>> >
>> > When TSO packet is transmitted additional BD w/o mapping is used to
>> > describe the packed. The BD needs special handling in tx completion.
 ...
>> > Reported-by: Yulong Pei <ypei@...hat.com>
>> > Cc: Michal Schmidt <mschmidt@...hat.com>
>> > Signed-off-by: Dmitry Kravkov <Dmitry.Kravkov@...gic.com>
>> > ---
>> 
>> How old is this bug ? Can you point original commit adding it ?
>> 
>> Thanks !
>>
> Added with initial TSO support for tunneling back in 3.10 with
> a848ade408b6bfab59d575d6c246efb20afe88e3 
> "bnx2x: add CSUM and TSO support for encapsulation protocols"
> and can be seen only with *_iommu=on

Applied with an ppropriate "Fixes: " tag added, and queued up for
-stable.

Thanks.
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