From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andre Tomt <andre@tomt.net>
Subject: Re: hw csum failure + conntrack with more debugging information
Date: Wed, 21 Nov 2018 15:48:21 +0100
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Cc: netdev <netdev@vger.kernel.org>,
        Cong Wang <xiyou.wangcong@gmail.com>
To: Eric Dumazet <edumazet@google.com>
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On 18.11.2018 02:12, Eric Dumazet wrote:
> Please try this patch, we suspect mlx4 support for CHECKSUM_COMPLETE is 
> wrong.
> 
> (Only IPv4 handled, but I suspect a similar fix is needed for IPv6)

Not conclusive, but.. Have not seen any splats or other weirdness since 
applying this patch 3 days ago. Routing IPv4 only.

> root@pps:~# ethtool -S p0xe0 |grep sum
>      rx_csum_good: 530992724
>      rx_csum_none: 153315
>      rx_csum_complete: 188156
>      tx_chksum_offload: 213784665
> root@pps:~# ethtool -S p0xe1 |grep sum
>      rx_csum_good: 873708754
>      rx_csum_none: 160324
>      rx_csum_complete: 42605
>      tx_chksum_offload: 160708