From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [RFC 02/10] IB/hfi-vnic: Virtual Network Interface Controller (VNIC) Bus driver Date: Tue, 29 Nov 2016 09:50:09 -0700 Message-ID: <20161129165009.GA3167@obsidianresearch.com> References: <20161122170407.GE3956@obsidianresearch.com> <20161123000502.GA27968@phlsvsds.ph.intel.com> <20161123004932.GA13598@obsidianresearch.com> <20161124000825.GA73280@knc-06.sc.intel.com> <20161124161545.GA20818@obsidianresearch.com> <20161125021350.GA74946@knc-06.sc.intel.com> <20161125190509.GB16504@obsidianresearch.com> <20161129063106.GB84990@knc-06.sc.intel.com> <20161129161950.GB742@obsidianresearch.com> <1828884A29C6694DAF28B7E6B8A82373AB0B9B46@ORSMSX109.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Vishwanathapura, Niranjana" , "Weiny, Ira" , Doug Ledford , "linux-rdma@vger.kernel.org" , "netdev@vger.kernel.org" , "Dalessandro, Dennis" To: "Hefty, Sean" Return-path: Received: from quartz.orcorp.ca ([184.70.90.242]:54790 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756379AbcK2QuM (ORCPT ); Tue, 29 Nov 2016 11:50:12 -0500 Content-Disposition: inline In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB0B9B46@ORSMSX109.amr.corp.intel.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Nov 29, 2016 at 04:44:37PM +0000, Hefty, Sean wrote: > > You are not making a subsystem. Don't overcomplicate things. A > > multi-part device device can just directly link. > > The VNIC may be usable over multiple generations of HFIs, but I > don't know if that is the intent. If Intel wants to build a HFI subystem within RDMA with multiple drivers then sure, but they are not there yet, and we don't even know what that could look like. So it is better to leave it simple for now. Jason