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 >