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Message-ID: <20240917170406.6a9d6e27@kernel.org>
Date: Tue, 17 Sep 2024 17:04:06 +0200
From: Jakub Kicinski <kuba@...nel.org>
To: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: Erni Sri Satya Vennela <ernis@...ux.microsoft.com>, KY Srinivasan
 <kys@...rosoft.com>, "wei.liu@...nel.org" <wei.liu@...nel.org>, Dexuan Cui
 <decui@...rosoft.com>, "davem@...emloft.net" <davem@...emloft.net>,
 "edumazet@...gle.com" <edumazet@...gle.com>, "pabeni@...hat.com"
 <pabeni@...hat.com>, "shradhagupta@...ux.microsoft.com"
 <shradhagupta@...ux.microsoft.com>, "ahmed.zaki@...el.com"
 <ahmed.zaki@...el.com>, "colin.i.king@...il.com" <colin.i.king@...il.com>,
 "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
 "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: mana: Add get_link and get_link_ksettings in
 ethtool

On Tue, 17 Sep 2024 14:35:21 +0000 Haiyang Zhang wrote:
> > Any reason why? Sometimes people add this callback for virtual
> > devices to expose some approximate speed, but you're not reporting
> > speed, so I'm curious.  
> Speed info isn't available from the HW yet. But we are requesting 
> that from HW team. For now, we just add some minimal info, like 
> duplex, etc.

Unless I'm misreading I don't see the answer to the "why?" in your
reply.

What benefit does reporting duplex on a virtual device bring?
What kind of SW need this current patch?
etc.

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