Re: [dpdk-dev] [dpdk-announce] DPDK Features for Q1 2015

["O'driscoll, Tim" <tim.o'driscoll@intel.com>]

> From: Tetsuya Mukawa [mailto:mukawa@igel.co.jp]
> 
> (2014/10/22 22:48), O'driscoll, Tim wrote:
> 
> > PCI Hot Plug: When you migrate a VM, you need hot plug support as the
> new VF on the new hardware you are running on post-migration needs to be
> initialized. With an emulated NIC migration is seamless as all configuration for
> the NIC is within the RAM of the VM and the hypervisor. With a VF you have
> actual hardware in the picture which needs to be set up properly.
> 
> I have patch series for that feature.
> The patches add feature that DPDK apps can attach and detach physical NIC
> ports and virtual device ports at runtime.
> Also I have patches for testpmd to attach and detach ports dynamically.
> 
> For example, after patching, we can type following commands.
> testpmd> port attach p 0000:02:00.0
> testpmd> port attach v eth_pcap0,iface=eth0 port detach p <detaching
> testpmd> port_id> port detach v <detaching port_id>
> (These are just RFC.)
> 
> Now I am collecting up patches to submit to dpdk.org. So I can send RFC
> patches soon. Hopefully next week.

That's great. I also heard privately from another person who is also working on patches for this. If you can submit an RFC, then we should be able to have a discussion on it and avoid duplication of effort.


Tim