Can rte_eth_tx_burst frees buffer to external cache which could be configured during rte_eth_tx_queue_setup

[Syed Intekhab Anjum]

Hi,

Does DPDK support to free the transmitted buffers to external cache which
is provided during tx queue configurations (rte_eth_tx_queue_setup).

This is needed to extract better performance when multiple tx queues are
being worked on by unregistered non-eal pthreads which sends the packets
(mbuf from common rte_mempool) to the queue parallelly using
rte_eth_tx_burst.

Otherwise, they are bypassed frim local cache and go to the path of CAS
operation on the common pool for free operation.

Or is there any other way to achieve this?


Thanks

Syed
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