From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Alex Rosenbaum <rosenbaumalex-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Yishai Hadas
<yishaih-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
"Alex @ Mellanox" <Alexr-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH rdma-next V2 3/6] IB/mlx5: Add support for QP with a given source QPN
Date: Tue, 13 Jun 2017 13:21:55 -0600 [thread overview]
Message-ID: <20170613192155.GD17727@obsidianresearch.com> (raw)
In-Reply-To: <CAFgAxU88cfMu7fe9J4Tu=8OFwnND6UfCKF=xi7ZaNHStFpQJog-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, Jun 13, 2017 at 06:58:39PM +0300, Alex Rosenbaum wrote:
> On Mon, Jun 12, 2017 at 7:02 PM, Jason Gunthorpe
> <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> wrote:
> > On Sun, Jun 11, 2017 at 09:51:49AM +0300, Yishai Hadas wrote:
> >> On 6/8/2017 7:30 PM, Jason Gunthorpe wrote:
> >>
> >
> > That doesn't even make sense. An API is an API, if the API does not
> > require linkage then the hardware can't either.
>
> The API is well defined now and doesn't require the linkage.
> But our current HW implementation requires creation of the internal
> underlay object in order to support this.
Well, so long as mlx5 takes the pkey/etc from the qp that has
source_qpn set, and allows the source_qpn to be set to a QP that does
not already exist, I have no objection..
Jason
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next prev parent reply other threads:[~2017-06-13 19:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-08 13:15 [PATCH rdma-next V2 0/6] Enable flow steering on IPoIB UD QP Leon Romanovsky
[not found] ` <20170608131511.21040-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-06-08 13:15 ` [PATCH rdma-next V2 1/6] IB/core: Enable QP creation with a given source QP number Leon Romanovsky
2017-06-08 13:15 ` [PATCH rdma-next V2 2/6] IB/uverbs: " Leon Romanovsky
2017-06-08 13:15 ` [PATCH rdma-next V2 3/6] IB/mlx5: Add support for QP with a given source QPN Leon Romanovsky
[not found] ` <20170608131511.21040-4-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2017-06-08 16:30 ` Jason Gunthorpe
[not found] ` <20170608163020.GA16857-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-06-11 6:51 ` Yishai Hadas
[not found] ` <0ee2641a-4308-6b35-cd0a-e1a5b8b84a6a-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-06-12 16:02 ` Jason Gunthorpe
[not found] ` <20170612160257.GA24829-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-06-13 15:58 ` Alex Rosenbaum
[not found] ` <CAFgAxU88cfMu7fe9J4Tu=8OFwnND6UfCKF=xi7ZaNHStFpQJog-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-13 19:21 ` Jason Gunthorpe [this message]
2017-06-08 13:15 ` [PATCH rdma-next V2 4/6] IB/mlx5: Add multicast flow steering support for underlay QP Leon Romanovsky
2017-06-08 13:15 ` [PATCH rdma-next V2 5/6] net/mlx5: Report enhanced capabilities for IPoIB Leon Romanovsky
2017-06-08 13:15 ` [PATCH rdma-next V2 6/6] IB/mlx5: Report RX checksum " Leon Romanovsky
2017-07-28 18:24 ` [PATCH rdma-next V2 0/6] Enable flow steering on IPoIB UD QP Doug Ledford
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