Re: [dpdk-dev] 18.08 Intel Roadmap

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 6/8/2018 6:24 PM, Rosen, Rami wrote:
> Hi, Tim,
> Thanks for posting the planned 18.08 roadmap, I hope other 
> vendors will follow!
> 
>> Allow Setup/Reconfiguration/Tear Down of Queues at Run Time - >Currently, to configure a DPDK ethdev, the application specifies how >many Tx and Rx queues to include prior to starting the device. This >feature introduces a more dynamic approach where the application can >also setup/reconfigure/tear down queues after the device has been >started (on NICs where this is supported in hardware).
> 
> Maybe I am wrong, but isn't this already included in DPDK 18.05  ?

Hi Rami,

Yes it has been merged in 18.05. Kudos for actually reading roadmap :)

> 
> In DPDK 18.05 release notes: 
> https://dpdk.org/doc/guides/rel_notes/release_18_05.html
> 
> We have the following section:
> ...
> ethdev: Runtime queue setup
> 
> rte_eth_rx_queue_setup and rte_eth_tx_queue_setup can be called after rte_eth_dev_start if the device supports runtime queue setup. The device driver can expose this capability through rte_eth_dev_info_get. A Rx or Tx queue set up at runtime need to be started explicitly by rte_eth_dev_rx_queue_start or rte_eth_dev_tx_queue_start.
> ...
> 
> And there is the following patchset from Qi, from April, adding support for runtime queue setup (in I40E and in the librte_ether library, which 
> was renamed to librte_ethdev in the meanwhile):
> 
> http://dpdk.org/ml/archives/dev/2018-April/098461.html
> 
> Regards,
> Rami Rosen
>