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From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Horton, Remy" <remy.horton@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Mcnamara, John" <john.mcnamara@intel.com>,
	"Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
	"Wu, Jingjing" <jingjing.wu@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Shreyansh Jain" <shreyansh.jain@nxp.com>,
	Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v3 1/4] ethdev: add support for PMD-tuned Tx/Rx	parameters
Date: Wed, 4 Apr 2018 18:56:21 +0000	[thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8976CCC7C0C@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <20180404171740.5084-2-remy.horton@intel.com>

Hi Remy,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Remy Horton
> Sent: Wednesday, April 4, 2018 6:18 PM
> To: dev@dpdk.org
> Cc: Mcnamara, John <john.mcnamara@intel.com>; Lu, Wenzhuo
> <wenzhuo.lu@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>; Xing, Beilei <beilei.xing@intel.com>; Shreyansh Jain
> <shreyansh.jain@nxp.com>; Thomas Monjalon <thomas@monjalon.net>
> Subject: [dpdk-dev] [PATCH v3 1/4] ethdev: add support for PMD-tuned Tx/Rx
> parameters
> 
> 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 patch allows individual PMDs to specify
> preferred parameter values.
> 
> Signed-off-by: Remy Horton <remy.horton@intel.com>
> ---
>  doc/guides/rel_notes/deprecation.rst   | 13 ----------
>  doc/guides/rel_notes/release_18_05.rst |  5 ++++
>  lib/librte_ether/rte_ethdev.c          | 44 +++++++++++++++++++++++++++-------
>  lib/librte_ether/rte_ethdev.h          | 25 +++++++++++++++++++
>  4 files changed, 65 insertions(+), 22 deletions(-)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index 0c696f7..920df6b 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -115,19 +115,6 @@ Deprecation Notices
>    The new API add rss_level field to ``rte_eth_rss_conf`` to enable a choice
>    of RSS hash calculation on outer or inner header of tunneled packet.
> 
> -* ethdev:  Currently, if the  rte_eth_rx_burst() function returns a value less
> -  than *nb_pkts*, the application will assume that no more packets are present.
> -  Some of the hw queue based hardware can only support smaller burst for RX
> -  and TX and thus break the expectation of the rx_burst API. Similar is the
> -  case for TX burst as well as ring sizes. ``rte_eth_dev_info`` will be added
> -  with following new parameters so as to support semantics for drivers to
> -  define a preferred size for Rx/Tx burst and rings.
> -
> -  - Member ``struct preferred_size`` would be added to enclose all preferred
> -    size to be fetched from driver/implementation.
> -  - Members ``uint16_t rx_burst``,  ``uint16_t tx_burst``, ``uint16_t rx_ring``,
> -    and ``uint16_t tx_ring`` would be added to ``struct preferred_size``.
> -
>  * ethdev: A work is being planned for 18.05 to expose VF port representors
>    as a mean to perform control and data path operation on the different VFs.
>    As VF representor is an ethdev port, new fields are needed in order to map diff

API and ABI changes should be documented in release notes.

Thanks,
Pablo

  reply	other threads:[~2018-04-04 18:59 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-07 12:08 [dpdk-dev] [RFC PATCH v1 0/4] ethdev: add per-PMD tuning of RxTx parmeters Remy Horton
2018-03-07 12:08 ` [dpdk-dev] [RFC PATCH v1 1/4] ethdev: add support for PMD-tuned Tx/Rx parameters Remy Horton
2018-03-14 12:28   ` Shreyansh Jain
2018-03-14 14:09     ` Remy Horton
2018-03-14 14:43   ` Ferruh Yigit
2018-03-14 15:10     ` Shreyansh Jain
2018-03-15  9:02       ` Remy Horton
2018-03-14 15:48     ` Remy Horton
2018-03-14 16:42       ` Ferruh Yigit
2018-03-14 17:23         ` Shreyansh Jain
2018-03-14 17:52           ` Ferruh Yigit
2018-03-14 18:53             ` Ananyev, Konstantin
2018-03-14 21:02               ` Ferruh Yigit
2018-03-14 21:36                 ` Bruce Richardson
2018-03-15 13:57                   ` Ferruh Yigit
2018-03-15 14:39                     ` Bruce Richardson
2018-03-15 14:57                       ` Ferruh Yigit
2018-03-16 13:54                         ` Shreyansh Jain
2018-03-16 14:18                           ` Bruce Richardson
2018-03-16 15:36                           ` Remy Horton
2018-03-20 15:03                             ` Ferruh Yigit
2018-03-21 10:14                               ` Remy Horton
2018-03-21 13:56                                 ` Ferruh Yigit
2018-03-20 14:54                           ` Ferruh Yigit
2018-03-21  6:51                             ` Shreyansh Jain
2018-03-21 10:02                               ` Ferruh Yigit
2018-03-21 10:45                                 ` Shreyansh Jain
2018-03-15 12:51                 ` Ananyev, Konstantin
2018-03-15 13:57                   ` Ferruh Yigit
2018-03-15 14:42                     ` Bruce Richardson
2018-03-07 12:08 ` [dpdk-dev] [RFC PATCH v1 2/4] net/e1000: add TxRx tuning parameters Remy Horton
2018-03-07 12:08 ` [dpdk-dev] [RFC PATCH v1 3/4] net/i40e: " Remy Horton
2018-03-07 12:08 ` [dpdk-dev] [RFC PATCH v1 4/4] testpmd: make use of per-PMD TxRx parameters Remy Horton
2018-03-21 14:27 ` [dpdk-dev] [PATCH v2 0/4] ethdev: add per-PMD tuning of RxTx parmeters Remy Horton
2018-03-21 14:27   ` [dpdk-dev] [PATCH v2 1/4] ethdev: add support for PMD-tuned Tx/Rx parameters Remy Horton
2018-03-28  7:11     ` Shreyansh Jain
2018-03-30 15:40     ` Thomas Monjalon
2018-03-30 15:57       ` Thomas Monjalon
2018-03-31  0:46     ` Thomas Monjalon
2018-03-21 14:27   ` [dpdk-dev] [PATCH v2 2/4] net/e1000: add TxRx tuning parameters Remy Horton
2018-03-21 14:27   ` [dpdk-dev] [PATCH v2 3/4] net/i40e: " Remy Horton
2018-03-21 14:27   ` [dpdk-dev] [PATCH v2 4/4] testpmd: make use of per-PMD TxRx parameters Remy Horton
2018-03-28  7:18     ` Shreyansh Jain
2018-04-03 11:00       ` Remy Horton
2018-03-31  0:01     ` Thomas Monjalon
2018-04-03  8:49       ` Remy Horton
2018-03-27 18:43   ` [dpdk-dev] [PATCH v2 0/4] ethdev: add per-PMD tuning of RxTx parmeters Ferruh Yigit
2018-03-30 10:34     ` Ferruh Yigit
2018-03-31  0:05       ` Thomas Monjalon
2018-04-04 17:17   ` [dpdk-dev] [PATCH v3 " Remy Horton
2018-04-04 17:17     ` [dpdk-dev] [PATCH v3 1/4] ethdev: add support for PMD-tuned Tx/Rx parameters Remy Horton
2018-04-04 18:56       ` De Lara Guarch, Pablo [this message]
2018-04-05 10:16         ` Thomas Monjalon
2018-04-04 17:17     ` [dpdk-dev] [PATCH v3 2/4] net/e1000: add TxRx tuning parameters Remy Horton
2018-04-04 17:17     ` [dpdk-dev] [PATCH v3 3/4] net/i40e: " Remy Horton
2018-04-04 17:17     ` [dpdk-dev] [PATCH v3 4/4] testpmd: make use of per-PMD TxRx parameters Remy Horton
2018-04-06 14:49     ` [dpdk-dev] [PATCH v5 0/4] ethdev: add per-PMD tuning of RxTx parmeters Remy Horton
2018-04-06 14:49       ` [dpdk-dev] [PATCH v5 1/4] ethdev: add support for PMD-tuned Tx/Rx parameters Remy Horton
2018-04-06 14:50       ` [dpdk-dev] [PATCH v5 2/4] net/e1000: add TxRx tuning parameters Remy Horton
2018-04-06 14:50       ` [dpdk-dev] [PATCH v5 3/4] net/i40e: " Remy Horton
2018-04-06 14:50       ` [dpdk-dev] [PATCH v5 4/4] testpmd: make use of per-PMD TxRx parameters Remy Horton
2018-04-09 12:55         ` Shreyansh Jain
2018-04-09 14:38           ` Remy Horton
2018-04-10  4:18             ` Shreyansh Jain
2018-04-10  6:09               ` Remy Horton
2018-04-10  6:39                 ` Shreyansh Jain
2018-04-06 17:01       ` [dpdk-dev] [PATCH v5 0/4] ethdev: add per-PMD tuning of RxTx parmeters Ferruh Yigit
2018-04-10  9:43       ` [dpdk-dev] [PATCH v6 " Remy Horton
2018-04-10  9:43         ` [dpdk-dev] [PATCH v6 1/4] ethdev: add support for PMD-tuned Tx/Rx parameters Remy Horton
2018-04-10  9:43         ` [dpdk-dev] [PATCH v6 2/4] net/e1000: add TxRx tuning parameters Remy Horton
2018-04-10  9:43         ` [dpdk-dev] [PATCH v6 3/4] net/i40e: " Remy Horton
2018-04-10  9:43         ` [dpdk-dev] [PATCH v6 4/4] testpmd: make use of per-PMD TxRx parameters Remy Horton
2018-04-10 12:57         ` [dpdk-dev] [PATCH v6 0/4] ethdev: add per-PMD tuning of RxTx parmeters Thomas Monjalon
2018-04-10 18:56         ` Ferruh Yigit

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