From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: [PATCH v4 2/3] public/io/netif.h: document control ring and toeplitz hashing Date: Fri, 8 Jan 2016 16:07:26 +0000 Message-ID: <568FDEBE.6030502@citrix.com> References: <1452171912-29857-1-git-send-email-paul.durrant@citrix.com> <1452171912-29857-3-git-send-email-paul.durrant@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aHZZf-0005UZ-Di for xen-devel@lists.xenproject.org; Fri, 08 Jan 2016 16:07:35 +0000 In-Reply-To: <1452171912-29857-3-git-send-email-paul.durrant@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Paul Durrant , xen-devel@lists.xenproject.org Cc: Ian Jackson , Tim Deegan , Keir Fraser , Ian Campbell , Jan Beulich List-Id: xen-devel@lists.xenproject.org On 07/01/16 13:05, Paul Durrant wrote: > This patch documents a new shared ring between frontend and backend that > can be used to pass bulk out-of-band data, such as that required to > implement toeplitz hashing in the backend such that it is configurable by > the frontend. > > The patch then goes on to document the messages passed over the control > ring that can be used to configure toeplitz hashing. [...] > --- a/xen/include/public/io/netif.h > +++ b/xen/include/public/io/netif.h > @@ -151,6 +151,270 @@ > */ > > /* > + * Control ring > + * ============ [...] > + * The frontend provides a control ring to the backend by setting: > + * > + * /local/domain//device/vif//ctrl-ring-ref = > + * /local/domain//device/vif//event-channel-ctrl = ctrl-event-channel to match ctrl-ring-ref? David