From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH] public/io/netif.h: change semantics of "request-multicast-control" flag Date: Tue, 26 Jan 2016 14:17:08 +0000 Message-ID: <2500428299cf44ada2b0a11003b2708a@AMSPEX02CL03.citrite.net> References: <1453294249-6346-1-git-send-email-paul.durrant@citrix.com> <1453390176.4320.47.camel@citrix.com> <20160121154556.GW1691@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1aO4aC-00034b-Qe for xen-devel@lists.xenproject.org; Tue, 26 Jan 2016 14:27:00 +0000 In-Reply-To: <20160121154556.GW1691@citrix.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: Wei Liu , "Keir (Xen.org)" , "Tim (Xen.org)" , Jan Beulich , Ian Jackson , "xen-devel@lists.xenproject.org" , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org > -----Original Message----- > From: Wei Liu [mailto:wei.liu2@citrix.com] > Sent: 21 January 2016 15:46 > To: Ian Campbell > Cc: Paul Durrant; xen-devel@lists.xenproject.org; Ian Jackson; Jan Beulich; > Keir (Xen.org); Tim (Xen.org); Wei Liu; Roger Pau Monne > Subject: Re: [PATCH] public/io/netif.h: change semantics of "request- > multicast-control" flag > > On Thu, Jan 21, 2016 at 03:29:36PM +0000, Ian Campbell wrote: > > On Wed, 2016-01-20 at 12:50 +0000, Paul Durrant wrote: > > > My patch b2700877 "move and amend multicast control documentation" > > > clarified use of the multicast control protocol between frontend and > > > backend. However, it transpires that the restrictions that documentation > > > placed on the "request-multicast-control" flag make it hard for a > > > frontend to enable 'all multicast' promiscuous mode, in that to do so > > > would require the frontend and backend to disconnect and re-connect. > > > > > > This patch adds a new "feature-dynamic-multicast-control" flag to allow > > > a backend to advertise that it will watch "request-multicast-control" > hence > > > allowing it to be meaningfully modified by the frontend at any time rather > > > than only when the frontend and backend are disconnected. > > > > > > Signed-off-by: Paul Durrant > > > Cc: Ian Campbell > > > Cc: Ian Jackson > > > Cc: Jan Beulich > > > Cc: Keir Fraser > > > Cc: Tim Deegan > > > > > > This looks good to me, but also adding Wei (Linux netback + BSD stuff) and > > Roger (BSD stuff) for their perspective. > > > > I should probably have done that for the last set of netif.h changes too, > > since apart from the nominal maintainers of xen/include/public/io/*.h it's > > worth getting input from the maintainers of the consumers. Not sure we > can > > express that very well in MAINTAINERS :-(. > > > > Ian. > > LGTM > > Acked-by: Wei Liu Ping? I notice this patch is not yet applied. Paul