Re: [Qemu-devel] [PATCH V7 0/5] Send the gratuitous by guest

[Jason Wang]

----- Original Message -----
> Hi,
>       Has anybody here work on this subject and update a newer patch?
>     Thanks in advance.
> 
> Yongan Liu
> 
> 

Hi, I will continue work on this.

Just FYI, based on the discussions on past version, I plan to send a v8 just 
for virtio-net.

Thanks
> -----bellows are words from patch v7 ----
> This series tries to let guest instead of qemu to send the gratuitous packets
> after migration when guest is capable of doing this. This is needed since
> it's
> impossible for qemu to keep track of all configurations (e.g 802.1Q) and mac
> addresses (more than one mac address may be used by guest). So qemu can't
> build
> gratuitous packets for all those configurations properly. The only solution
> is
> let guest driver who knew all needed information to do this.
> 
> The series first introduces a new runstate which just tracks the state when
> the
> migration is finished and guest is about to start. And then we can just
> trying
> to notify the guest to send the GARP after changing from this state to
> running. A model specific announcing method were also also introduced to let
> each kinds of nic do its own notification. When there's no such method
> register
> for the nic, the old style of sending RARP were kept. And the last two
> patches
> implemented the virtio-net method of notification.
> 
>