linux-kernel - Re: [PATCH 0/1] net: ethtool: add SmartNIC reset support

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Date:   Wed, 18 Oct 2017 09:52:29 -0700
From:   Scott Branden <scott.branden@...adcom.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     "David S. Miller" <davem@...emloft.net>,
        "Allan W. Nielsen" <allan.nielsen@...rosemi.com>,
        Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        linux-kernel@...r.kernel.org, Steve Lin <steven.lin1@...adcom.com>
Subject: Re: [PATCH 0/1] net: ethtool: add SmartNIC reset support

Hi Andrew,


On 17-10-18 09:28 AM, Andrew Lunn wrote:
> On Wed, Oct 18, 2017 at 09:01:35AM -0700, Scott Branden wrote:
>> Ethtool provides support for resetting other internal portions of the
>> NIC already.  Seems appropriate to use one of the bits for resetting
>> the application processor (AP) for SmartNICs.
> Hi Scott
>
> Do you also have a management processor on the NIC?
>
> Or is the Application Processor just the Marketing Departments name
> for the management processor?
Yes, there is also a management processor.
In our next gen SmartNIC the "Application processor" may actually
have 8 very powerful cores.
But, if they need to be reset, we reset them all.
>
> 	   Andrew