From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sat, 19 Oct 2019 21:25:32 +1100
Subject: [PATCH v2] ftgmac100: Disable HW checksum generation on AST2500
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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.