netdev - Re: [net-next PATCH 1/3] Added kernel support in EEE Ethtool commands

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Message-ID: <4FCDC068.1060605@st.com>
Date:	Tue, 05 Jun 2012 10:16:40 +0200
From:	Giuseppe CAVALLARO <peppe.cavallaro@...com>
To:	Yuval Mintz <yuvalmin@...adcom.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	Eilon Greenstein <eilong@...adcom.com>
Subject: Re: [net-next PATCH 1/3] Added kernel support in EEE Ethtool commands

On 6/5/2012 10:11 AM, Yuval Mintz wrote:
> On 06/05/2012 11:00 AM, Giuseppe CAVALLARO wrote:
> 
>> Hello Yuval,
>>
>> On 6/5/2012 8:39 AM, Yuval Mintz wrote:
>>> This patch extends the kernel's ethtool interface by adding support
>>> for 2 new EEE commands - get_eee and set_eee.
>>
>>> +	__u32	tx_lpi_enabled;
>>> +	__u32	tx_lpi_timer;
>>
>> Is the tx_lpi_timer field for the MAC driver as we discussed in the
>> past? If yes, so I can use it for the stmmac too.
>>
>> Peppe
>>
> 
> 
> 
> Hi Peppe,
> 
> The short answer is yes.
> 
> The API does not specify whether the delay should be made in the MAC
> or controller levels, but it should guarantee that if the nic is idle
> it should wait that many microseconds prior to asserting its Tx lpi.

Perfect! So I'll give you the patches for phy and stmmac asap.

Peppe

> 
> Thanks,
> Yuval
> 
> 

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