Subject: Re: [PATCH v8 net-next 1/2] hv_netvsc: Make netvsc/VF binding check both MAC and serial number

From: Stephen Hemminger <[email-masked]>
Date: Mon, 19 Apr 2021 08:53:48 -0700

On Fri, 16 Apr 2021 13:11:58 -0700
Dexuan Cui <[email-masked]> wrote:

> Currently the netvsc/VF binding logic only checks the PCI serial number.
> 
> The upcoming Microsoft Azure Network Adapter (MANA) supports multiple
> net_device interfaces (each such interface is called a "vPort", and has
> its unique MAC address) which are backed by the same VF PCI device, so
> the binding logic should check both the MAC address and the PCI serial
> number.
> 
> The change should not break any other existing VF drivers, because
> Hyper-V NIC SR-IOV implementation requires the netvsc network
> interface and the VF network interface have the same MAC address.
> 
> Co-developed-by: Haiyang Zhang <[email-masked]>
> Signed-off-by: Haiyang Zhang <[email-masked]>
> Co-developed-by: Shachar Raindel <[email-masked]>
> Signed-off-by: Shachar Raindel <[email-masked]>
> Signed-off-by: Dexuan Cui <[email-masked]>

Acked-by: Stephen Hemminger <[email-masked]>