Re: FW: [PATCH for-next] RDMA/rxe: Remove pkey table

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On Thu, Jul 23, 2020 at 09:08:39PM +0800, Zhu Yanjun wrote:
> On 7/23/2020 3:25 PM, Kamal Heib wrote:
> > On Thu, Jul 23, 2020 at 02:58:41PM +0800, Zhu Yanjun wrote:
> > > On 7/23/2020 1:57 PM, Kamal Heib wrote:
> > > > On Wed, Jul 22, 2020 at 10:09:04AM +0800, Zhu Yanjun wrote:
> > > > > On Tue, Jul 21, 2020 at 7:28 PM Yanjun Zhu <yanjunz@xxxxxxxxxxxx> wrote:
> > > > > > 
> > > > > > From: Kamal Heib <kamalheib1@xxxxxxxxx>
> > > > > > Sent: Tuesday, July 21, 2020 6:16 PM
> > > > > > To: linux-rdma@xxxxxxxxxxxxxxx
> > > > > > Cc: Yanjun Zhu <yanjunz@xxxxxxxxxxxx>; Doug Ledford <dledford@xxxxxxxxxx>; Jason Gunthorpe <jgg@xxxxxxxx>; Kamal Heib <kamalheib1@xxxxxxxxx>
> > > > > > Subject: [PATCH for-next] RDMA/rxe: Remove pkey table
> > > > > > 
> > > > > > The RoCE spec require from RoCE devices to support only the defualt pkey, While the rxe driver maintain a 64 enties pkey table and use only the first entry. With that said remove the maintaing of the pkey table and used the default pkey when needed.
> > > > > > 
> > > > > Hi Kamal
> > > > > 
> > > > > After this patch is applied, do you make tests with SoftRoCE and mlx hardware?
> > > > > 
> > > > > The SoftRoCE should work well with the mlx hardware.
> > > > > 
> > > > > Zhu Yanjun
> > > > > 
> > > > Hi Zhu,
> > > > 
> > > > Yes, please see below:
> > > > 
> > > > $ ibv_rc_pingpong -d mlx5_0 -g 11
> > > >     local address:  LID 0x0000, QPN 0x0000e3, PSN 0x728a4f, GID ::ffff:172.31.40.121
> > > Can you make tests with GSI QP?
> > > 
> > > Zhu Yanjun
> > > 
> 
> Is this the GSI ?
> 
> Please check GSI in "InfiniBandTM Architecture Specification Volume 1
> Release 1.3"
> 
> Then make tests with GSI again.

rping uses RDMA CM which goes over the GSI

Jason



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