netdev - Re: [RFC] Why is set_config not supported in mlx5

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Message-ID: <d9695755-c0e6-4bbd-af5a-9fc78fac4512@lunn.ch>
Date: Mon, 26 Aug 2024 03:48:28 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Carlos Bilbao <cbilbao@...italocean.com>
Cc: eli@...lanox.com, mst@...hat.com, jasowang@...hat.com,
	xuanzhuo@...ux.alibaba.com, dtatulea@...dia.com,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	eperezma@...hat.com, sashal@...nel.org, yuehaibing@...wei.com,
	steven.sistare@...cle.com
Subject: Re: [RFC] Why is set_config not supported in mlx5_vnet?

On Fri, Aug 23, 2024 at 11:54:13AM -0500, Carlos Bilbao wrote:
> Hello,
> 
> I'm debugging my vDPA setup, and when using ioctl to retrieve the
> configuration, I noticed that it's running in half duplex mode:
> 
> Configuration data (24 bytes):
>   MAC address: (Mac address)
>   Status: 0x0001
>   Max virtqueue pairs: 8
>   MTU: 1500
>   Speed: 0 Mb
>   Duplex: Half Duplex

If the speed is 0, does duplex even matter?

	Andrew