netdev - Re: [PATCH net-next v5] eea: Add basic driver framework for Alibaba Elastic Ethernet Adaptor

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Message-ID: <1760489853.539487-1-xuanzhuo@linux.alibaba.com>
Date: Wed, 15 Oct 2025 08:57:33 +0800
From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To: Jiri Pirko <jiri@...nulli.us>
Cc: netdev@...r.kernel.org,
 Andrew Lunn <andrew+netdev@...n.ch>,
 "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>,
 Wen Gu <guwen@...ux.alibaba.com>,
 Philo Lu <lulie@...ux.alibaba.com>,
 Lorenzo Bianconi <lorenzo@...nel.org>,
 Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
 Lukas Bulwahn <lukas.bulwahn@...hat.com>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Vivian Wang <wangruikang@...as.ac.cn>,
 Troy Mitchell <troy.mitchell@...ux.spacemit.com>,
 Dust Li <dust.li@...ux.alibaba.com>,
 alok.a.tiwari@...cle.com,
 kalesh-anakkur.purayil@...adcom.com
Subject: Re: [PATCH net-next v5] eea: Add basic driver framework for Alibaba Elastic Ethernet Adaptor

On Tue, 14 Oct 2025 14:19:29 +0200, Jiri Pirko <jiri@...nulli.us> wrote:
> Mon, Oct 13, 2025 at 04:18:33AM +0200, xuanzhuo@...ux.alibaba.com wrote:
> >Add a driver framework for EEA that will be available in the future.
> >
> >This driver is currently quite minimal, implementing only fundamental
> >core functionalities. Key features include: I/O queue management via
> >adminq, basic PCI-layer operations, and essential RX/TX data
> >communication capabilities. It also supports the creation,
> >initialization, and management of network devices (netdev). Furthermore,
> >the ring structures for both I/O queues and adminq have been abstracted
> >into a simple, unified, and reusable library implementation,
> >facilitating future extension and maintenance.
>
> Is this another fbnic-like internally used hw which no-one outside
> Alibaba will ever get hands on, do I understand that correctly?

This device is included on Alibaba Cloud's publicly offered cloud servers. This
setup is more similar to Google's gVNIC (gve) and AWS's ENA devices.

Thanks.