linux-kernel - Re: [PATCH 09/12] selftests/net: Add SEQ number extension test

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Message-ID: <ZYAMqQSOM6kx_Kh9@Laptop-X1>
Date: Mon, 18 Dec 2023 17:11:05 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: Dmitry Safonov <dima@...sta.com>
Cc: Shuah Khan <shuah@...nel.org>, David Ahern <dsahern@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Salam Noureddine <noureddine@...sta.com>,
	Bob Gilligan <gilligan@...sta.com>, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
	Dmitry Safonov <0x7f454c46@...il.com>
Subject: Re: [PATCH 09/12] selftests/net: Add SEQ number extension test

On Fri, Dec 15, 2023 at 02:36:23AM +0000, Dmitry Safonov wrote:
> Check that on SEQ number wraparound there is no disruption or TCPAOBad
> segments produced.
> 
> Sample of expected output:
> > # ./seq-ext_ipv4
> > 1..7
> > # 1436[lib/setup.c:254] rand seed 1686611079
> > TAP version 13
> > ok 1 server alive
> > ok 2 post-migrate connection alive
> > ok 3 TCPAOGood counter increased 1002 => 3002
> > ok 4 TCPAOGood counter increased 1003 => 3003
> > ok 5 TCPAOBad counter didn't increase
> > ok 6 TCPAOBad counter didn't increase
> > ok 7 SEQ extension incremented: 1/1999, 1/998999
> > # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0
> 
> Signed-off-by: Dmitry Safonov <dima@...sta.com>

Tested-by: Hangbin Liu <liuhangbin@...il.com>