netdev - RE: [RFC 02/19] qed: Implement iWARP initialization, teardown and qp operations

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Message-ID: <DM2PR0701MB13925426BCEFE46D7935C53F88DC0@DM2PR0701MB1392.namprd07.prod.outlook.com>
Date:   Tue, 27 Jun 2017 08:33:34 +0000
From:   "Kalderon, Michal" <Michal.Kalderon@...ium.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     "Amrani, Ram" <Ram.Amrani@...ium.com>,
        "Mintz, Yuval" <Yuval.Mintz@...ium.com>,
        "Elior, Ariel" <Ariel.Elior@...ium.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "dledford@...hat.com" <dledford@...hat.com>
Subject: RE: [RFC 02/19] qed: Implement iWARP initialization, teardown and qp
 operations

From: Leon Romanovsky [mailto:leon@...nel.org]
Sent: Tuesday, June 27, 2017 8:46 AM
> 
> On Mon, Jun 26, 2017 at 09:06:52PM +0300, Michal Kalderon wrote:
> > This patch adds iWARP support for flows that have common code between
> > RoCE and iWARP, such as initialization, teardown and qp setup verbs:
> > create, destroy, modify, query.
> > It introduces the iWARP specific files qed_iwarp.[ch] and
> > iwarp_common.h
> >
> > Signed-off-by: Michal Kalderon <Michal.Kalderon@...ium.com>
> > Signed-off-by: Yuval Mintz <Yuval.Mintz@...ium.com>
> > Signed-off-by: Ariel Elior <Ariel.Elior@...ium.com>
> >
> > ---
> 
> <...>
> 
> > +#define QED_IWARP_PARAM_P2P		(1)
> 
> <...>
> 
> > +
> > +	iwarp_info->peer2peer = QED_IWARP_PARAM_P2P;
> 
> Can you shed a light what is it?
> Thanks
It's a mode in MPA rev2,  It's currently hard coded, and we plan on making this configurable in the future, we're looking into using the rdmatool,