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From: Auke Kok <auke-jan.h.kok@intel•com>
To: hadi@cyberus•ca
Cc: David Miller <davem@davemloft•net>,
	netdev@vger•kernel.org, jesse.brandeburg@intel•com,
	Robert.Olsson@data•slu.se, john.ronciak@intel•com,
	greearb@candelatech•com, jgarzik@pobox•com, olel@ans•pl
Subject: Re: [e1000]: flow control on by default - good idea really?
Date: Wed, 18 Oct 2006 07:57:32 -0700	[thread overview]
Message-ID: <453640DC.6050103@intel.com> (raw)
In-Reply-To: <1161178540.5240.16.camel@jzny2>

jamal wrote:
> On Tue, 2006-17-10 at 14:02 -0700, Auke Kok wrote:
> 
>> For now, we should really report the FC status in e1000 at link up time. Jamal: this 
>> should help you out for now, I'll send something like this upstream later on.
>>
> 
> Thanks - this puts you at par with the tg3 at least.
> 
> 
> On Tue, 2006-17-10 at 14:46 -0700, David Miller wrote: 
>> From: jamal <hadi@cyberus•ca>
>> Date: Tue, 17 Oct 2006 09:05:31 -0400
>>
>>> It sounds to me that ethttool needs to have this semantic fix.
>>> IOW, ethttool doesnt differentiate the two items:
>>> a) advertised parameters.
>>> b) link partner negotiated parameters.
>>>
>>> and instead #a becomes #b after negotiation.
>>>
>>>
>>> methinks this needs fixing. Dave? Jeff?
>> The way I understand it the ethernet autonegotiation mechanisms don't
>> really give you a way to seperate these two things.
>>
>> Either you negotiate the link and flow control settings, or nothing.
> 
> True - but I was thinking more of the state stored in the driver
> either by ethtool or some other part of the driver.
> 
> If i remember correctly, Donald Beckers old mii tool was able to 
> display
> "here's what you have configured the driver for link and flow control and 
> these are what i advertise to link peers"
> and
> "here's what current negotiated link and flow control parameters with 
> link peer"
> 
> That distinction doesnt exist with ethtool. Or i am missing something.

nope, there's not even an ethtool cmd to query for that data AFAICS

Auke

  reply	other threads:[~2006-10-18 15:00 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-04 17:11 [e1000]: flow control on by default - good idea really? jamal
2006-07-04 19:20 ` jamal
2006-07-05 16:23   ` Auke Kok
2006-07-05 20:37     ` Krzysztof Oledzki
2006-07-05 18:22   ` David Miller
2006-07-05 18:32     ` Auke Kok
2006-07-05 20:45       ` Krzysztof Oledzki
2006-07-05 21:13         ` Auke Kok
2006-07-06 13:03         ` jamal
2006-07-06 18:25           ` Auke Kok
2006-07-07  3:09             ` jamal
2006-07-07  6:59           ` David Miller
2006-07-07 12:28             ` jamal
2006-07-20 20:15               ` Bug in e1000 + semantics of flow control WAS(Re: " jamal
2006-08-03 12:29                 ` jamal
2006-10-16 18:55               ` Auke Kok
2006-10-17 13:05                 ` jamal
2006-10-17 17:18                   ` Auke Kok
2006-10-17 18:25                   ` Stephen Hemminger
2006-10-17 21:02                   ` Auke Kok
2006-10-18 13:35                     ` jamal
2006-10-18 14:57                       ` Auke Kok [this message]
2006-10-17 21:46                   ` David Miller
2006-07-05 16:57 ` Robert Olsson
2006-07-05 18:21 ` David Miller
  -- strict thread matches above, loose matches on Subject: below --
2006-07-07  4:43 Michael Chan

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