Re: [PATCH 0 of 20] [RFC] ipath - PathScale InfiniPath driver

Bryan O'Sullivan
2006-01-03T20:55:10Z

On Tue, 2006-01-03 at 09:27 -0800, Greg KH wrote:

> Idealy, nothing should be new ioctls. But in the end, it all depends on
> exactly what you are trying to do with each different one.

Fair enough.

> I really don't know what the subnet management stuff involves, sorry.
> But doesn't the open-ib layer handle that all for you already?

It does when our OpenIB driver is being used. But our lower level
driver is independent of OpenIB (and is often used without the
infiniband stuff even configured into the kernel), and needs to provide
some way for a userspace subnet management agent to send and receive
packets.

<b