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Date:   Thu, 3 Jan 2019 10:41:32 -0700
From:   dann frazier <dann.frazier@...onical.com>
To:     "lipeng (Y)" <lipeng321@...wei.com>
Cc:     Salil Mehta <salil.mehta@...wei.com>, davem@...emloft.net,
        yisen.zhuang@...wei.com, mehta.salil@...src.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com
Subject: Re: [PATCH net-next] net: hns3: Config NIC port speed same as that
 of optical module

On Wed, Jan 02, 2019 at 08:45:36PM +0800, lipeng (Y) wrote:
> 
> 
> On 2019/1/1 9:22, dann frazier wrote:
> > On Mon, Nov 26, 2018 at 06:43:00PM +0000, Salil Mehta wrote:
> > > From: Peng Li <lipeng321@...wei.com>
> > > 
> > > Port 0/1 of HiP08 supports 10G and 25G. This patch adds a
> > > change to configure NIC port speed same as that of  optical
> > > module(SFP/QFSP). Driver gets the optical module speed and
> > > sets NIC port speed accordingly.
> > Hi,
> > 
> > I'm getting the following errors in dmesg about every 1s on a D06:
> > 
> > [  766.761823] hns3 0000:bd:00.0: get sfp speed failed -5
> > [  767.785823] hns3 0000:bd:00.0: get sfp speed failed -5
> > [  768.809820] hns3 0000:bd:00.0: get sfp speed failed -5
> > [  769.833818] hns3 0000:bd:00.0: get sfp speed failed -5
> > 
> > Reverting this patch fixes the issue.
> > 
> >   -dann
> Hi,dann,
> 
> Thanks for your test and report.
> 
> This patch needs to match new fireware verison ,
> And  it  does some work to  be Compatible with older versions.

I did upgrade to the latest available firmware (20181213-b20), but the
problem persisted. Maybe the necessary firmware is not yet released?

> Can you show me more information?
> can you  use "ethtool -i ethx" to get the fireware version ,
> and shows me  some other message about hns3?

Sure: 

$ sudo ethtool -i enp125s0f2
driver: hns3
version: 4.20.0+ SMP mod_unload aarch64
firmware-version: 0xb0311019
expansion-rom-version: 
bus-info: 0000:7d:00.2
supports-statistics: yes
supports-test: yes
supports-eeprom-access: no
supports-register-dump: yes
supports-priv-flags: no

  -dann

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