linux-kernel - RE: [Patch v4 03/12] net: mana: Handle vport sharing between devices

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Message-ID: <PH7PR21MB3263815FA70417F6BF11AF43CE9C9@PH7PR21MB3263.namprd21.prod.outlook.com>
Date:   Wed, 3 Aug 2022 02:08:39 +0000
From:   Long Li <longli@...rosoft.com>
To:     Jason Gunthorpe <jgg@...pe.ca>
CC:     Dexuan Cui <decui@...rosoft.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Leon Romanovsky <leon@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "shiraz.saleem@...el.com" <shiraz.saleem@...el.com>,
        Ajay Sharma <sharmaajay@...rosoft.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: RE: [Patch v4 03/12] net: mana: Handle vport sharing between devices

> Subject: Re: [Patch v4 03/12] net: mana: Handle vport sharing between devices
> 
> On Fri, Jul 29, 2022 at 09:20:05PM +0000, Long Li wrote:
> > > > the Mellanox NICs implement the RAW_QP. IMHO, it's better to have
> > > > the user explicitly decide whether to use Ethernet or RDMA RAW_QP
> > > > on a specific port.
> > >
> > > It should all be carefully documented someplace.
> >
> > The use case for RAW_QP is from user-mode. Is it acceptable that we
> > document the detailed usage in rdma-core?
> 
> Yes, but add a suitable comment someplace in the kernel too

Thanks. I will add detailed comments.

Long