netdev - RE: [Patch v5 03/12] net: mana: Handle vport sharing between devices

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Message-ID: <PH7PR21MB311617EC32C69D7166F768EDCA4C9@PH7PR21MB3116.namprd21.prod.outlook.com>
Date:   Tue, 20 Sep 2022 22:05:11 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     Long Li <longli@...rosoft.com>, KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "shiraz.saleem@...el.com" <shiraz.saleem@...el.com>,
        Ajay Sharma <sharmaajay@...rosoft.com>
CC:     "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 v5 03/12] net: mana: Handle vport sharing between devices



> -----Original Message-----
> From: longli@...uxonhyperv.com <longli@...uxonhyperv.com>
> Sent: Tuesday, August 30, 2022 8:34 PM
> To: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; Stephen Hemminger
> <sthemmin@...rosoft.com>; Wei Liu <wei.liu@...nel.org>; Dexuan Cui
> <decui@...rosoft.com>; David S. Miller <davem@...emloft.net>; Jakub
> Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; Jason
> Gunthorpe <jgg@...pe.ca>; Leon Romanovsky <leon@...nel.org>;
> edumazet@...gle.com; shiraz.saleem@...el.com; Ajay Sharma
> <sharmaajay@...rosoft.com>
> Cc: linux-hyperv@...r.kernel.org; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org; linux-rdma@...r.kernel.org; Long Li
> <longli@...rosoft.com>
> Subject: [Patch v5 03/12] net: mana: Handle vport sharing between devices
> 
> From: Long Li <longli@...rosoft.com>
> 
> For outgoing packets, the PF requires the VF to configure the vport with
> corresponding protection domain and doorbell ID for the kernel or user
> context. The vport can't be shared between different contexts.
> 
> Implement the logic to exclusively take over the vport by either the
> Ethernet device or RDMA device.
> 
> Reviewed-by: Dexuan Cui <decui@...rosoft.com>
> Signed-off-by: Long Li <longli@...rosoft.com>

Acked-by: Haiyang Zhang <haiyangz@...rosoft.com>