netdev - Re: [PATCH 4/4] ethtool: add PHY Fast Link Down tunable to man page

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Message-ID: <2e35b458-1846-4e58-0cb1-953c2df76709@gmail.com>
Date:   Thu, 28 Mar 2019 21:12:45 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     John Linville <linville@...driver.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH 4/4] ethtool: add PHY Fast Link Down tunable to man page

On 28.03.2019 21:01, Andrew Lunn wrote:
>> +	Sets the period after which the link is reported as down. Note that the PHY may choose
>> +	the closest supported value. Only on reading back you get the actual value.
> 
> Hi Heiner
> 
> 'Only on reading back the tunable do you get the actual value.'
> 
> would be better.
> 
OK. I'll wait for more review feedback and will consider this in a v2.
Currently all mails to John are bounced due to some spam filter rejecting mails from
Google servers, so let's see when he reads this.

>>  .TE
>>  .PD
>>  .RE
>> @@ -1090,6 +1106,14 @@ Link speed downshift after N failed 1000BASE-T auto-negotiation attempts.
>>  Downshift is useful where cable does not have the 4 pairs instance.
>>  
>>  Gets the PHY downshift count/status.
>> +.TP
>> +.B fast\-link\-down
>> +Depending on the mode it may take 0.5s - 1s until a broken link is reported as down.
>> +In certain use cases a link-down event needs to be reported as soon as possible.
>> +Some PHYs support a Fast Link Down feature, and partially even allow to configure
>> +the period until until a broken link is reported as being down.
> 
> Some PHYs support a Fast Link Down Feature and may allow configuration
> of the delay before a broken link is reported as being down.
> 
OK

>    Andrew
> 
Heiner