linux-kernel - Re: [net-next PATCH v4 02/10] octeontx2-pf: RVU representor driver

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Message-ID: <20240509203500.706e446e@kernel.org>
Date: Thu, 9 May 2024 20:35:00 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Geetha sowjanya <gakula@...vell.com>
Cc: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <davem@...emloft.net>, <pabeni@...hat.com>, <edumazet@...gle.com>,
 <sgoutham@...vell.com>, <sbhatta@...vell.com>, <hkelam@...vell.com>
Subject: Re: [net-next PATCH v4 02/10] octeontx2-pf: RVU representor driver

On Tue, 7 May 2024 22:09:13 +0530 Geetha sowjanya wrote:
> This patch adds basic driver for the RVU representor.
> Driver on probe does pci specific initialization and does hw
> resources configuration.
> Introduces RVU_ESWITCH kernel config to enable/disable
> this driver. Representor and NIC shares the code but representors
> netdev support subset of NIC functionality. Hence "otx2_rep_dev"
> api helps to skip the features initialization that are not supported
> by the representors.

It's quite unusual to have a separate PCI device for representors.
Why not extend the existing PF driver?
This driver spawns no netdevs by default?