netdev - RE: [PATCH 1/1] hv_netvsc: Implement support for VF drivers on Hyper-V

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Message-ID: <SN2PR03MB1919961BC06B8CBC7140EE96A0970@SN2PR03MB1919.namprd03.prod.outlook.com>
Date:	Thu, 14 Apr 2016 19:08:29 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	KY Srinivasan <kys@...rosoft.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>
Subject: RE: [PATCH 1/1] hv_netvsc: Implement support for VF drivers on
 Hyper-V



> -----Original Message-----
> From: K. Y. Srinivasan [mailto:kys@...rosoft.com]
> Sent: Wednesday, April 13, 2016 4:58 PM
> To: davem@...emloft.net; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org; devel@...uxdriverproject.org; olaf@...fle.de;
> apw@...onical.com; jasowang@...hat.com
> Cc: KY Srinivasan <kys@...rosoft.com>
> Subject: [PATCH 1/1] hv_netvsc: Implement support for VF drivers on Hyper-
> V
> 
> Support VF drivers on Hyper-V. On Hyper-V, each VF instance presented to
> the guest has an associated synthetic interface that shares the MAC address
> with the VF instance. Typically these are bonded together to support
> live migration. By default, the host delivers all the incoming packets
> on the synthetic interface. Once the VF is up, we need to explicitly switch
> the data path on the host to divert traffic onto the VF interface. Even after
> switching the data path, broadcast and multicast packets are always
> delivered
> on the synthetic interface and these will have to be injected back onto the
> VF interface (if VF is up).
> This patch implements the necessary support in netvsc to support Linux
> VF drivers.

David,

Please drop this patch. I just discovered a merge issue and I am going to resubmit this
patch.

Regards,

K. Y