netdev - RE: [PATCH v7 00/16] Add Intel Ethernet Protocol Driver for RDMA (irdma)

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Date:   Thu, 3 Jun 2021 15:28:04 +0000
From:   "Saleem, Shiraz" <shiraz.saleem@...el.com>
To:     Jason Gunthorpe <jgg@...dia.com>
CC:     "dledford@...hat.com" <dledford@...hat.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Ertman, David M" <david.m.ertman@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        "gustavoars@...nel.org" <gustavoars@...nel.org>,
        "Nikolova, Tatyana E" <tatyana.e.nikolova@...el.com>
Subject: RE: [PATCH v7 00/16] Add Intel Ethernet Protocol Driver for RDMA
 (irdma)

> Subject: Re: [PATCH v7 00/16] Add Intel Ethernet Protocol Driver for RDMA
> (irdma)
> 
> On Wed, Jun 02, 2021 at 03:51:22PM -0500, Shiraz Saleem wrote:
> > The following patch series introduces a unified Intel Ethernet
> > Protocol Driver for RDMA (irdma) for the X722 iWARP device and a new
> > E810 device which supports iWARP and RoCEv2. The irdma module replaces
> > the legacy i40iw module for X722 and extends the ABI already defined
> > for i40iw. It is backward compatible with legacy X722 rdma-core provider
> (libi40iw).
> >
> > X722 and E810 are PCI network devices that are RDMA capable. The RDMA
> > block of this parent device is represented via an auxiliary device exported to
> 'irdma'
> > using the core auxiliary bus infrastructure recently added for 5.11 kernel.
> > The parent PCI netdev drivers 'i40e' and 'ice' register auxiliary RDMA
> > devices with private data/ops encapsulated that bind to auxiliary
> > drivers registered in irdma module.
> >
> > Currently, default is RoCEv2 for E810. Runtime support for protocol
> > switch to iWARP will be made available via devlink in a future patch.
> >
> > This rdma series is built against the shared branch iwl-next [1] which
> > is expected to be merged into rdma-next first for the netdev parts.
> 
> Okay, applied to for-next, please keep on top of any 0-day stuff that comes out. I
> need it all fixed in 2 weeks
> 

Sure.

Tatyana is out till June 7th, so I sent a new PR for the user-space bit with the updated kernel headers commit.

Shiraz