Please find below NVIDIA roadmap for 22.03 release:

rte_flow new APIs:

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[1] Support for template API (item and action) to optimize the insertion rate.

The combination of item and action templates along with shared flow rule attributes allows the PMD/HW to prepare all the resources needed for efficient flow rules creation in the datapath.

[2] Support for asynchronous queue-based flow rules management mechanism for applications.

A flow rule creation/destruction is enqueued on the specified flow queue and offloaded asynchronously to the hardware.

mlx5 PMD updates:

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[3] Support the rte_flow changes listed above.

rte_mempool updates:

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[4] Optimize the hugepage initialization to speed up the application start-up time.

testpmd updates:

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[5] Support the changes in rte_flow listed above.