On Wed, Dec 12, 2018 at 06:38:39AM +0000, Mark Bloch wrote: > > > On 12/11/2018 21:27, Leon Romanovsky wrote: > > On Tue, Dec 11, 2018 at 04:53:49PM -0500, Jarod Wilson wrote: > >> On 2018-12-11 4:17 PM, Parav Pandit wrote: > >>> > >>> > >>>> -----Original Message----- > >>>> From: linux-rdma-owner@xxxxxxxxxxxxxxx <linux-rdma- > >>>> owner@xxxxxxxxxxxxxxx> On Behalf Of Mark Bloch > >>>> Sent: Tuesday, December 11, 2018 1:57 PM > >>>> To: Jarod Wilson <jarod@xxxxxxxxxx>; linux-rdma@xxxxxxxxxxxxxxx > >>>> Cc: Doug Ledford <dledford@xxxxxxxxxx>; Honggang Li <honli@xxxxxxxxxx> > >>>> Subject: Re: [PATCH rdma-core] Add Red Hat's ibdev2netdev helper > >>>> > >>>> > >>>> > >>>> On 12/11/18 11:46 AM, Jarod Wilson wrote: > >>>>> This is a helper script that Red Hat had previously been including in > >>>>> it's ibutils package, which is no more, with the retirement of ibutils > >>>>> and > >>>>> ibutils2 being proprietary to Mellanox now. This script still has use, > >>>>> and needs a better home, so we'd like to add it to rdma-core's redhat/ > >>>>> directory -- if not somewhere more generic, should other distros wish > >>>>> to make use of it as well. > >>>> > >>>> Why not tell users to use rdma tool (iproute2)? > >>>> > >>> Because rdma tool currently doesn’t show corresponding IPoIB upper netdevice(s) of for the IB device. > >>> For a given rdma device there can be multiple netdevices exist for RoCE ports. > >>> Rdma tool (and ibdev2netdev) doesn't show them. > >>> The scope of ibdev2netdev currently is wider than what rdma tool shows. > >>> So yes, its good recommendation to RoCE and representor users. > >> > >> We've actually had some folks notice it was missing from RHEL-8.0 beta, and > >> explicitly request it, because they have various infrastructure that was > >> expecting it to be there. It's just a shell script, and could be updated > >> along the way to use the rdma tool from iproute2, or become completely > >> obsolete at some point. But we're definitely some demand to keep it around > >> for the moment. > > > > It is already obsolete and rdmatool replaces it. I see no value in > > keeping abandoned tool in upstream repository. > > > > Regarding Parav's point, lack of IPoIB translations, iroute2 is an open-source > > project and people are encouraged to extend it. If I judge by number of > > customer requests to me (zero) to implement it, there is no demand in such > > functionality. > > Well, a quick prototype follows below, the question is should I work on it > or not, does anyone core? Parav and I are care, I have no clue about the rest of the world. It will be better to start from mockup of rdmatool output. Thanks
Attachment:
signature.asc
Description: PGP signature
