netdev - Re: [PATCH rdma-next 0/3] Packet based credit mode

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Date:   Fri, 7 Dec 2018 08:04:26 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     Doug Ledford <dledford@...hat.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Danit Goldberg <danitg@...lanox.com>,
        Majd Dibbiny <majd@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next 0/3]  Packet based credit mode

On Thu, Dec 06, 2018 at 08:27:06PM -0700, Jason Gunthorpe wrote:
> On Fri, Nov 30, 2018 at 01:22:03PM +0200, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@...lanox.com>
> >
> > >From Danit,
> >
> > Packet based credit mode is an alternative end-to-end credit mode for QPs
> > set during their creation. Credits are transported from the responder
> > to the requester to optimize the use of its receive resources.
> > In packet-based credit mode, credits are issued on a per packet basis.
> >
> > The advantage of this feature comes while sending large RDMA messages
> > through switches that are short in memory.
> >
> > The first commit exposes QP creation flag and the HCA capability. The
> > second commit adds support for a new DV QP creation flag. The last
> > commit report packet based credit mode capability via the MLX5DV device
> > capabilities.
> >
> > Thanks
> >
> > Danit Goldberg (3):
> >   net/mlx5: Expose packet based credit mode
> >   IB/mlx5: Add packet based credit mode support
> >   IB/mlx5: Report packet based credit mode device capability
>
> This looks fine to me, can you update the shared branch please

Done, thanks
3fd3c80acc17 net/mlx5: Expose packet based credit mode

>
> Thanks,
> Jason

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