[dpdk-users] Packet distribution of single flow type using DPDK in Mellanox ConnectX-5 Ex

[Stephen Hemminger]

On Tue, 31 Aug 2021 18:28:12 -0700
cs cs <pacman.n908 at gmail.com> wrote:

> Hi,
> 
> Is there a way in DPDK to configure Mellanox ConnectX-5 Ex to distribute
> the incoming packets of a single flow type to multiple NIC hardware queues?

Yes, use rte_flow and rte_flow_action_type_rss.

> Does ConnectX-5 Ex PMD support constantly changing the RETA table during
> runtime without having to stop and start the device for the table to get
> updated and for the packets to get dispatched to multiple cores? Could this
> be a possible solution?

The Reta table is only used without rte_flow.
Use rte_flow it is a better solution.