From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hagood Subject: Re: [RFC 1/2] PCI-Express Non-Transparent Bridge Support Date: Sun, 15 Jul 2012 07:37:39 -0500 Message-ID: <1342355859.23866.17.camel@chumley> References: <1342215900-3358-1-git-send-email-jon.mason@intel.com> <20120713171344.1066d3b1@nehalam.linuxnetplumber.net> <20120714061953.GD4808@jonmason-lab> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Stephen Hemminger , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-pci@vger.kernel.org, Dave Jiang To: Jon Mason Return-path: In-Reply-To: <20120714061953.GD4808@jonmason-lab> Sender: linux-pci-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Have you looked at any of the work that the PXI group has done on NTB support within PXI? http://www.ni.com/white-paper/12523/en I was on that working group, and one of the first capabilities I suggested for it was IP over NTB - I was going to implement this at my employer, but the project took a different turn and this idea got put on the back burner. I am glad somebody else has seen fit to take it up. Also, a stupid question but one I have to ask: have you taken into account the idea that the CPUs on each side of the NTB might have different endian-ness? I was looking at a case with a PPC on one side of the bridge and an X86 on the other.