RE: [Xen-devel] [PATCH 1/10] Add support for netfront/netbackacceleration drivers

[Kieran Mansley <kmansley@xxxxxxxxxxxxxx>]

On Fri, 2006-12-01 at 13:32 -0500, Puthiyaparambil, Aravindh wrote:
> Kieran,
> 
> This looks like very interesting work. Do you have any design notes on
> it? (I am unable to find the RFC on the list).

Thanks for you interest.  Here is the earlier RFC, which contains a
description of the architecture in the attached tar:

http://lists.xensource.com/archives/html/xen-devel/2006-09/msg00613.html

> Is this mainly for
> Solarflare 10-GbaseT cards? Can this be extended to other cards? Could
> you also elaborate on what exactly do you mean by virtualisable network
> hardware?

Our main goal is to support the Solarflare range of NICs, but the
approach we've taken, and the code submitted so far, is reasonably
generic and so should be applicable to other hardware.

Virtualisable NICs are those that can present a Virtual Interface (VI)
and be safely accessed directly from domU.  Each accelerated domU
interface is given its own VI and packets can be sent and received
to/from the network through this VI without invoking dom0 on the data
path.

Kieran

   


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