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Message-ID: <86c2633a-22cf-6a59-c500-35ee6e9e35a2@gmail.com>
Date:   Tue, 6 Mar 2018 21:47:12 -0700
From:   David Ahern <dsahern@...il.com>
To:     Stefano Brivio <sbrivio@...hat.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Wei Wang <weiwan@...gle.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Maciej Żenczykowski <maze@...gle.com>,
        Xiumei Mu <xmu@...hat.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3] selftests: net: Introduce first PMTU test

On 3/6/18 2:16 PM, Stefano Brivio wrote:
> One single test implemented so far: test_pmtu_vti6_exception
> checks that the PMTU of a route exception, caused by a tunnel
> exceeding the link layer MTU, is affected by administrative
> changes of the tunnel MTU. Creation of the route exception is
> checked too.
> 
> Requested-by: David Ahern <dsahern@...il.com>
> Signed-off-by: Stefano Brivio <sbrivio@...hat.com>
> ---
> v3: Explicitly set veth MTU before causing route exception to ensure we actually
>     decrease the PMTU as second step in the test (issue reported by David Ahern)
> 
> v2: Fix error handling for setup_*() functions, make 'ip route get' output
>     parsing more robust, sleep after configuring vti6 addresses (all issues
>     reported by David Ahern)
> 
>  tools/testing/selftests/net/Makefile |   2 +-
>  tools/testing/selftests/net/pmtu.sh  | 163 +++++++++++++++++++++++++++++++++++
>  2 files changed, 164 insertions(+), 1 deletion(-)
>  create mode 100755 tools/testing/selftests/net/pmtu.sh
> 

Acked-by: David Ahern <dsahern@...il.com>


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