From: Stephen Hemminger <stephen@networkplumber•org>
To: Dexuan Cui <decui@microsoft•com>
Cc: Haiyang Zhang <haiyangz@microsoft•com>,
"davem@davemloft•net" <davem@davemloft•net>,
"kuba@kernel•org" <kuba@kernel•org>,
KY Srinivasan <kys@microsoft•com>,
Stephen Hemminger <sthemmin@microsoft•com>,
"wei.liu@kernel•org" <wei.liu@kernel•org>,
Wei Liu <liuwe@microsoft•com>,
"netdev@vger•kernel.org" <netdev@vger•kernel.org>,
"leon@kernel•org" <leon@kernel•org>,
"andrew@lunn•ch" <andrew@lunn•ch>,
"bernd@petrovitsch•priv.at" <bernd@petrovitsch•priv.at>,
"rdunlap@infradead•org" <rdunlap@infradead•org>,
Shachar Raindel <shacharr@microsoft•com>,
"linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
"linux-hyperv@vger•kernel.org" <linux-hyperv@vger•kernel.org>
Subject: Re: [PATCH v7 net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)
Date: Fri, 16 Apr 2021 11:08:36 -0700 [thread overview]
Message-ID: <20210416110836.67a4a88e@hermes.local> (raw)
In-Reply-To: <MW2PR2101MB0892EE955B75C2442E266DB9BF4C9@MW2PR2101MB0892.namprd21.prod.outlook.com>
On Fri, 16 Apr 2021 17:58:45 +0000
Dexuan Cui <decui@microsoft•com> wrote:
> > >
> > > This probably should be a separate patch.
> > > I think it is trying to address the case of VF discovery in Hyper-V/Azure where
> > > the reported
> > > VF from Hypervisor is bogus or confused.
> >
> > This is for the Multi vPorts feature of MANA driver, which allows one VF to
> > create multiple vPorts (NICs). They have the same PCI device and same VF
> > serial number, but different MACs.
> >
> > So we put the change in one patch to avoid distro vendors missing this
> > change when backporting the MANA driver.
> >
> > Thanks,
> > - Haiyang
>
> The netvsc change should come together in the same patch with this VF
> driver, otherwise the multi-vPorts functionality doesn't work properly.
>
> The netvsc change should not break any other existing VF drivers, because
> Hyper-V NIC SR-IOV implementation requires the the NetVSC network
> interface and the VF network interface should have the same MAC address,
> otherwise things won't work.
>
> Thanks,
> Dexuan
Distro vendors should be able to handle a patch series.
Don't see why this could not be two patch series.
next prev parent reply other threads:[~2021-04-16 18:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 6:07 [PATCH v7 net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA) Dexuan Cui
2021-04-16 16:40 ` Stephen Hemminger
2021-04-16 17:10 ` Haiyang Zhang
2021-04-16 17:58 ` Dexuan Cui
2021-04-16 18:08 ` Stephen Hemminger [this message]
2021-04-16 18:44 ` Dexuan Cui
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