Re: [PATCH 00/23] Subject: [PATCH net-next 00/23] net/hpe: add HPE Slingshot NIC drivers

[Jason Gunthorpe]

On Tue, Nov 03, 2026 at 08:21:05PM -0800, Doug Ledford wrote:
> Top-posting an executive summary: HPE's ask is whether we should submit
> this driver through the netdev community or the rdma community. HPE
> prefers netdev, with RDMA as an aux driver, but needs the maintainers’
> call. A minimal Ethernet driver is about 48k lines plus 36k lines of
> mostly machine-generated headers (details below).

It depends on a simple question: can you create a functional ultra
ethernet device without a netdev and without an IP or routing table?
Like IB?

If yes then maybe you could do RDMA first.

If no, then you must get a netdev first.

Jason