RE: [RFC PATCH 00/13] Ultra Ethernet driver introduction

Parav Pandit
2025-03-09T03:21:43Z

> From: Leon Romanovsky <leon@kernel.org>
> Sent: Sunday, March 9, 2025 12:17 AM
>
> 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).
>
6th transport is drivers/infiniband/hw/efa (srd).

> 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