netdev - Re: [PATCH 1/3] selftests/net: Argument value mismatch when calling verify

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Date: Fri, 19 Jan 2024 18:35:08 +0000
From: Dmitry Safonov <dima@...sta.com>
To: Simon Horman <horms@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
 Dmitry Safonov <0x7f454c46@...il.com>, Mohammad Nassiri
 <mnassiri@...na.com>, netdev@...r.kernel.org,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] selftests/net: Argument value mismatch when calling
 verify_counters()

Hi Simon,

On 1/19/24 16:26, Simon Horman wrote:
> On Thu, Jan 18, 2024 at 02:51:34AM +0000, Dmitry Safonov wrote:
>> From: Mohammad Nassiri <mnassiri@...na.com>
>>
>> The end_server() function only operates in the server thread
>> and always takes an accept socket instead of a listen socket as
>> its input argument. To align with this, invert the boolean values
>> used when calling verify_counters() within the end_server() function.
> 
> Hi Dmitry,
> 
> I see that this is correct, but I am wondering
> if it fixes a user-visible bug. If so, could
> some text about that go here?

Yep. The test as the result doesn't correctly check tcp counters for
non-symmetrical scenario, where peer-A uses a key <a:a2> to send data,
but peer-B uses <b:b2> key to send its data. So, in simple terms,
different keys for TX and RX on peers.

I'll send v2 with an improved patch message.

>> Fixes: 3c3ead555648 ("selftests/net: Add TCP-AO key-management test")
>> Signed-off-by: Mohammad Nassiri <mnassiri@...na.com>
>> Link: https://lore.kernel.org/all/934627c5-eebb-4626-be23-cfb134c01d1a@arista.com/
>> [amended 'Fixes' tag and carried-over to lkml]
>> Signed-off-by: Dmitry Safonov <dima@...sta.com>
> 
> ...

Thanks,
           Dmitry