From: Andre Tomt <andre@tomt.net>
To: Eric Dumazet <edumazet@google.com>
Cc: netdev <netdev@vger.kernel.org>, Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: hw csum failure + conntrack with more debugging information
Date: Wed, 21 Nov 2018 15:48:21 +0100 [thread overview]
Message-ID: <f9c4b887-29ca-bf70-c48b-674616dd37af@tomt.net> (raw)
In-Reply-To: <CANn89i+VooCQ9eTXWMjXWPvV0_LfKeQ_+aJbxBzdhSe8=7R6uw@mail.gmail.com>
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
next prev parent reply other threads:[~2018-11-22 1:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-17 23:18 hw csum failure + conntrack with more debugging information Andre Tomt
[not found] ` <CANn89i+VooCQ9eTXWMjXWPvV0_LfKeQ_+aJbxBzdhSe8=7R6uw@mail.gmail.com>
2018-11-18 14:51 ` Andre Tomt
2018-11-21 14:48 ` Andre Tomt [this message]
2018-12-13 17:29 ` Andre Tomt
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