netdev - Re: STMMAC driver with TSO enabled issue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5309d046-fc6f-bc63-06dc-6cc98276dce4@nvidia.com>
Date:   Thu, 10 May 2018 20:38:18 +0530
From:   Bhadram Varka <vbhadram@...dia.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Joao Pinto <Joao.Pinto@...opsys.com>
Subject: Re: STMMAC driver with TSO enabled issue

Hi Jose,

On 5/10/2018 7:59 PM, Jose Abreu wrote:
> Hi Bhadram,
> 
> On 10-05-2018 09:55, Jose Abreu wrote:
>> ++net-dev
>>
>> Hi Bhadram,
>>
>> On 09-05-2018 12:03, Bhadram Varka wrote:
>>> Hi,
>>>
>>> Thanks for responding.
>>>
>>> Tried below suggested way. Still observing the issue -
>> It seems stmmac has a bug in the RX side when using TSO which is
>> causing all the RX descriptors to be consumed. The stmmac_rx()
>> function will need to be refactored. I will send a fix ASAP.
> 
> Are you using this patch [1] ? Because there is a problem with
> the patch. By adding the previously removed call to
> stmmac_init_rx_desc() TSO works okay in my setup.
> 

No. I don't have this change in my code base. I am using net-next tree.

Can you please post the change for which TSO works ? I can help you with 
the testing.

-- 
Thanks,
Bhadram.