netdev - Re: [RFC PATCH 00/13] Ultra Ethernet driver introduction

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Message-ID: <20250308184650.GV1955273@unreal>
Date: Sat, 8 Mar 2025 20:46:50 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Nikolay Aleksandrov <nikolay@...abrica.net>
Cc: netdev@...r.kernel.org, shrijeet@...abrica.net, alex.badea@...sight.com,
	eric.davis@...adcom.com, rip.sohan@....com, dsahern@...nel.org,
	bmt@...ich.ibm.com, roland@...abrica.net, winston.liu@...sight.com,
	dan.mihailescu@...sight.com, kheib@...hat.com,
	parth.v.parikh@...sight.com, davem@...hat.com, ian.ziemba@....com,
	andrew.tauferner@...nelisnetworks.com, welch@....com,
	rakhahari.bhunia@...sight.com, kingshuk.mandal@...sight.com,
	linux-rdma@...r.kernel.org, kuba@...nel.org, pabeni@...hat.com,
	Jason Gunthorpe <jgg@...dia.com>
Subject: Re: [RFC PATCH 00/13] Ultra Ethernet driver introduction

On Fri, Mar 07, 2025 at 01:01:50AM +0200, Nikolay Aleksandrov wrote:
> Hi all,

<...>

> Ultra Ethernet is a new RDMA transport.

Awesome, and now please explain why new subsystem is needed when
drivers/infiniband already supports at least 5 different RDMA
transports (OmniPath, iWARP, Infiniband, RoCE v1 and RoCE v2).

Maybe after this discussion it will be very clear that new subsystem
is needed, but at least it needs to be stated clearly.

An please CC RDMA maintainers to any Ultra Ethernet related discussions
as it is more RDMA than Ethernet.

Thanks