Re: [PATCH net-next v9 1/4] virtio_net: Introduce VIRTIO_NET_F_STANDBY feature bit

["Samudrala, Sridhar" <sridhar.samudrala@intel.com>]

On 4/30/2018 12:03 AM, Jiri Pirko wrote:
> Mon, Apr 30, 2018 at 04:47:03AM CEST, sridhar.samudrala@intel.com wrote:
> > On 4/28/2018 12:50 AM, Jiri Pirko wrote:
> > > Fri, Apr 27, 2018 at 07:06:57PM CEST,sridhar.samudrala@intel.com  wrote:
> > > > This feature bit can be used by hypervisor to indicate virtio_net device to
> > > > act as a standby for another device with the same MAC address.
> > > >
> > > > VIRTIO_NET_F_STANDBY is defined as bit 62 as it is a device feature bit.
> > > >
> > > > Signed-off-by: Sridhar Samudrala<sridhar.samudrala@intel.com>
> > > > ---
> > > > drivers/net/virtio_net.c        | 2 +-
> > > > include/uapi/linux/virtio_net.h | 3 +++
> > > > 2 files changed, 4 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> > > > index 3b5991734118..51a085b1a242 100644
> > > > --- a/drivers/net/virtio_net.c
> > > > +++ b/drivers/net/virtio_net.c
> > > > @@ -2999,7 +2999,7 @@ static struct virtio_device_id id_table[] = {
> > > > 	VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \
> > > > 	VIRTIO_NET_F_CTRL_MAC_ADDR, \
> > > > 	VIRTIO_NET_F_MTU, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \
> > > > -	VIRTIO_NET_F_SPEED_DUPLEX
> > > > +	VIRTIO_NET_F_SPEED_DUPLEX, VIRTIO_NET_F_STANDBY
> > > This is not part of current qemu master (head 6f0c4706b35dead265509115ddbd2a8d1af516c1)
> > > Were I can find the qemu code?
> > >
> > > Also, I think it makes sense to push HW (qemu HW in this case) first
> > > and only then the driver.
> > I had sent qemu patch with a couple of earlier versions of this patchset.
> > Will include it when i send out v10.
> The point was, don't you want to push it to qemu first? Did you at least
> send RFC to qemu?

Yes. Here is the link to the RFC patch.
https://patchwork.ozlabs.org/patch/859521/