From mboxrd@z Thu Jan 1 00:00:00 1970 From: "ira.weiny" Subject: Re: [PATCH v3 0/9] SELinux support for Infiniband RDMA Date: Wed, 7 Sep 2016 20:01:34 -0400 Message-ID: <20160908000134.GC4515@phlsvsds.ph.intel.com> References: <20160830184633.GE7586@obsidianresearch.com> <20160830185548.GA9768@obsidianresearch.com> <20160901163418.GA6479@obsidianresearch.com> <20160906200221.GE28416@obsidianresearch.com> <20160906215548.GA27225@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160906215548.GA27225@obsidianresearch.com> Sender: owner-linux-security-module@vger.kernel.org To: Jason Gunthorpe Cc: Daniel Jurgens , Paul Moore , Leon Romanovsky , "chrisw@sous-sol.org" , Stephen Smalley , Eric Paris , "dledford@redhat.com" , "sean.hefty@intel.com" , "hal.rosenstock@gmail.com" , "selinux@tycho.nsa.gov" , "linux-security-module@vger.kernel.org" , "linux-rdma@vger.kernel.org" , Yevgeny Petrilin List-Id: linux-rdma@vger.kernel.org On Tue, Sep 06, 2016 at 03:55:48PM -0600, Jason Gunthorpe wrote: > On Tue, Sep 06, 2016 at 08:35:56PM +0000, Daniel Jurgens wrote: > > > I think to control access to a VLAN for RoCE there would have to > > labels for GIDs, since that's how you select which VLAN to use. > > Since people are talking about using GIDs for containers adding a GID > constraint for all technologies makes sense to me.. > > But rocev1 (at least mlx4) does not use vlan ids from the GID, the > vlan id is set directly in the id, so it still seems to need direct > containment. I also see vlan related stuff in the iwarp providers, so > they probably have a similar requirement. > > > required. RDMA device handle labeling isn't granular enough for > > what I'm trying to accomplish. We want users with different levels > > of permission to be able to use the same device, but restrict who > > they can communicate with by isolating them to separate partitions. > > Sure, but maybe you should use the (device handle:pkey/vlan_id) as your > labeling tuple not (Subnet Prefix, pkey) Would "device handle" here specify the port? Ira > > Jason > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html