Re: [Xen-devel] [PATCH v7 0/2] public/io/netif.h: support for toeplitz hashing

[Bob Liu <bob.liu@xxxxxxxxxx>]

Hi Paul,

On 01/12/2016 05:58 PM, Paul Durrant wrote:
> This series documents changes needed to support toeplitz hashing in a
> backend, configurable by the frontend.
> 
> Patch #1 adds further clarifications to the receive and transmit wire
> formats.
> 
> Patch #2 documents a new 'control ring' for passing bulk data between
> frontend and backend. This is needed for passing the hash mapping table
> and hash key. It also documents messages to allow a frontend to configure
> toeplitz hashing and a new extra info segment that can be used for passing
> hash values along with packets on both the transmit and receive side.
> 

I have a question, why not make the "netif_ctrl_request" a part of the extra 
info segment?
So that can reuse the origin transmit shared ring.

-- 
Regards,
-Bob

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