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Subject: Re: [PATCH v2] ftgmac100: Disable HW checksum generation on AST2500
From:   Benjamin Herrenschmidt <benh@kernel.crashing.org>
To:     Vijay Khemka <vijaykhemka@fb.com>,
        "David S. Miller" <davem@davemloft.net>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        Sven Van Asbroeck <TheSven73@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Bhupesh Sharma <bhsharma@redhat.com>,
        YueHaibing <yuehaibing@huawei.com>,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
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        Sai Dasari <sdasari@fb.com>
Date:   Sat, 19 Oct 2019 21:25:32 +1100
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On Sat, 2019-10-19 at 01:31 +0000, Vijay Khemka wrote:
> Thanks Ben,
> I will try to add some trace and test whatever possible and test it.
> As we
> don't have tcpdump into our image and I have limited understanding of
> networking stack so if you get some time to verify ipv6, it will be
> really
> helpful. 
>     

You only need tcpdump (or wireshark) on the *other end* of the link,
could even be your laptop, to look at what the generated frames look
like and compare with your traces.

Cheers,
Ben.