Re: [dpdk-dev] [PATCH v6 0/4] ethdev: add per-PMD tuning of RxTx parmeters

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

On 4/10/2018 10:43 AM, Remy Horton wrote:
> The optimal values of several transmission & reception related parameters,
> such as burst sizes, descriptor ring sizes, and number of queues, varies
> between different network interface devices. This patchset allows individual
> PMDs to specify their preferred parameter values, and if so indicated by an
> application, for them to be used automatically by the ethdev layer.
> 
> rte_eth_dev_configure() has been changed so that specifying zero for both
> nb_rx_q AND nb_tx_q causes it to use driver preferred values, and if these
> are not available, falls back to EAL defaults. Setting one (but not both)
> to zero does not cause the use of defaults, as having one of them zeroed is
> a valid setup.
> 
> This patchset includes per-PMD values for e1000 and i40e but it is expected
> that subsequent patchsets will cover other PMDs. A deprecation notice
> covering the API/ABI change is in place.
> 
> Changes in v6:
> * Updated/corrected testpmd documentation
> * Carried forward acks/review
> * Rebased to d218a4d060de
> 
> Changes in v5:
> * uint_16_t corrected to uint16_t
> 
> Changes in v4:
> * Added API/ABI change documentation
> * Rebased to 78f5a2e93d74
> 
> Changes in v3:
> * Changed formatting around new rte_eth_dev_info fields
> * Added Doxygen documentation to struct rte_eth_dev_portconf
> * Testpmd "port config all burst 0" and --burst=0 uses PMD 
>   Rx burst recommendations.
> * Added to release notes
> * Rebased to 8ea081f38161
> 
> Changes in v2:
> * Rebased to master
> * Removed fallback values from rte_eth_dev_info_get()
> * Added fallback values to rte_rte_[rt]x_queue_setup()
> * Added fallback values to rte_eth_dev_configure()
> * Corrected comment
> * Removed deprecation notice
> * Split RX and Tx into seperate structures
> * Changed parameter names
> 
> 
> Remy Horton (4):
>   ethdev: add support for PMD-tuned Tx/Rx parameters
>   net/e1000: add TxRx tuning parameters
>   net/i40e: add TxRx tuning parameters
>   testpmd: make use of per-PMD TxRx parameters

Series applied to dpdk-next-net/master, thanks.

(Thomas' ack added into ethdev patch)