netdev - Re: [PATCH net-next v2 0/5] TSN auto negotiation between 1G and 2.5G

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Message-ID: <37fe9352-ec84-47b8-bb49-9441987ca1b9@lunn.ch>
Date: Thu, 21 Sep 2023 15:21:00 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Choong Yong Liang <yong.liang.choong@...ux.intel.com>
Cc: Rajneesh Bhardwaj <irenic.rajneesh@...il.com>,
	David E Box <david.e.box@...ux.intel.com>,
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	Mark Gross <markgross@...nel.org>,
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	Russell King <linux@...linux.org.uk>,
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	Lai Peter Jun Ann <jun.ann.lai@...el.com>
Subject: Re: [PATCH net-next v2 0/5] TSN auto negotiation between 1G and 2.5G

> Hi Andrew,
> 
> After conducting a comprehensive study, it seems that implementing
> out-of-band for all link modes might not be feasible. I may have missed some
> key aspects during my analysis.
> 
> Would you be open to sharing a high-level idea of how we could potentially
> make this feasible? Your insights would be greatly appreciated.

stmmac_mac_link_up() gets passed interface, speed and duplex. That
tells you what the PHY has negotiated. Is there anything else you need
to know?

   Andrew