netdev - Re: [RFC PATCH 0/4] r8169: support dash

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Date:   Tue, 7 Dec 2021 20:21:01 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Hayes Wang <hayeswang@...ltek.com>
Cc:     "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        nic_swsd <nic_swsd@...ltek.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
Subject: Re: [RFC PATCH 0/4] r8169: support dash

On Tue, 7 Dec 2021 07:28:02 +0000 Hayes Wang wrote:
> Jakub Kicinski <kuba@...nel.org>
> > Ah, I've only spotted the enable/disable knob in the patch.
> > If you're exchanging arbitrary binary data with the FW we
> > can't help you. It's not going to fly upstream.   
> 
> How is it that we only provide certain basic settings,
> such as IPv4 address, IPv6 address, and so on? Then,
> they are not the arbitrary binary data.
> 
> Could devlink param be used for more than 4 bytes settings?
> At least the IPv6 address is longer.

We can add a new devlink sub-command and driver callback in that case.

> Besides, we need the information of SMBIOS which could
> be 4K ~ 8K bytes data. Is there any way we could transmit
> it to firmware?

Is structure of that data defined by some DMTF standard?