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From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Ori Kam <orika@nvidia.com>, Ivan Malov <ivan.malov@oktetlabs.ru>,
	"dev@dpdk.org" <dev@dpdk.org>
Cc: Andy Moreton <amoreton@xilinx.com>, Ray Kinsella <mdr@ashroe.eu>,
	Jerin Jacob <jerinj@marvell.com>,
	Wisam Monther <wisamm@nvidia.com>,
	Xiaoyun Li <xiaoyun.li@intel.com>,
	NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [PATCH v3 1/5] ethdev: add API to negotiate delivery of Rx meta data
Date: Thu, 30 Sep 2021 18:07:40 +0300
Message-ID: <9418f13b-d01e-b688-0fea-567ef161f5f1@oktetlabs.ru> (raw)
In-Reply-To: <DM8PR12MB54002D8D207E54DB8F41986AD6AA9@DM8PR12MB5400.namprd12.prod.outlook.com>

Hi Ori,

On 9/30/21 5:59 PM, Ori Kam wrote:
> Hi Ivan,
> Sorry for jumping in late.
> 
> I have a concern that this patch breaks other PMDs.
>>From the rst file " One should negotiate flag delivery beforehand"
> since you only added this function for your PMD all other PMD will fail.
> I see that you added exception in the  examples, but it doesn't make sense
> that applications will also need to add this exception which is not documented.

It is a new API and the function description lists possible
return codes. An application can handle these return codes
gracefully. I'm not sure that it makes sense to highlight
it as a special case.

> 
> Please see more comments inline.

See below

> Thanks,
> Ori
> 
>> -----Original Message-----
>> From: Ivan Malov <ivan.malov@oktetlabs.ru>
>> Sent: Thursday, September 23, 2021 2:20 PM
>> Subject: [PATCH v3 1/5] ethdev: add API to negotiate delivery of Rx meta
>> data
>>
>> Delivery of mark, flag and the likes might affect small packet performance.
>> If these features are disabled by default, enabling them in started state
>> without causing traffic disruption may not always be possible.
>>
>> Let applications negotiate delivery of Rx meta data beforehand.
>>
>> Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
>> Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
>> Reviewed-by: Andy Moreton <amoreton@xilinx.com>
>> Acked-by: Ray Kinsella <mdr@ashroe.eu>
>> Acked-by: Jerin Jacob <jerinj@marvell.com>

[snip]

>> +__rte_experimental
>> +int rte_eth_rx_meta_negotiate(uint16_t port_id, uint64_t *features);
> 
> I don't think meta is the best name since we also have meta item and the word meta can be used
> in other cases.

Do you have any idea what could be used instead of it?

Thanks,
Andrew.

  reply	other threads:[~2021-09-30 15:07 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02 14:23 [dpdk-dev] [PATCH 0/5] A means to negotiate support for Rx meta information Ivan Malov
2021-09-02 14:23 ` [dpdk-dev] [PATCH 1/5] ethdev: add API " Ivan Malov
2021-09-02 14:47   ` Jerin Jacob
2021-09-02 16:14   ` Kinsella, Ray
2021-09-03  9:34   ` Jerin Jacob
2021-09-02 14:23 ` [dpdk-dev] [PATCH 2/5] net/sfc: provide API to negotiate supported Rx meta features Ivan Malov
2021-09-02 14:23 ` [dpdk-dev] [PATCH 3/5] net/sfc: allow to use EF100 native datapath Rx mark in flows Ivan Malov
2021-09-02 14:23 ` [dpdk-dev] [PATCH 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-09-02 14:23 ` [dpdk-dev] [PATCH 5/5] net/sfc: allow to discern user flag on EF100 native datapath Ivan Malov
2021-09-03  0:15 ` [dpdk-dev] [PATCH v2 0/5] A means to negotiate support for Rx meta information Ivan Malov
2021-09-03  0:15   ` [dpdk-dev] [PATCH v2 1/5] ethdev: add API " Ivan Malov
2021-09-03  0:15   ` [dpdk-dev] [PATCH v2 2/5] net/sfc: provide API to negotiate supported Rx meta features Ivan Malov
2021-09-03  0:15   ` [dpdk-dev] [PATCH v2 3/5] net/sfc: allow to use EF100 native datapath Rx mark in flows Ivan Malov
2021-09-03  0:15   ` [dpdk-dev] [PATCH v2 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-09-03  0:15   ` [dpdk-dev] [PATCH v2 5/5] net/sfc: allow to discern user flag on EF100 native datapath Ivan Malov
2021-09-23 11:20 ` [dpdk-dev] [PATCH v3 0/5] A means to negotiate delivery of Rx meta data Ivan Malov
2021-09-23 11:20   ` [dpdk-dev] [PATCH v3 1/5] ethdev: add API " Ivan Malov
2021-09-30 14:59     ` Ori Kam
2021-09-30 15:07       ` Andrew Rybchenko [this message]
2021-09-30 19:07       ` Ivan Malov
2021-10-01  6:50         ` Andrew Rybchenko
2021-10-03  7:42           ` Ori Kam
2021-10-03  9:30             ` Ivan Malov
2021-10-03 11:01               ` Ori Kam
2021-10-03 17:30                 ` Ivan Malov
2021-10-03 21:04                   ` Ori Kam
2021-10-03 23:50                     ` Ivan Malov
2021-10-04  6:56                       ` Ori Kam
2021-10-04 11:39                         ` Ivan Malov
2021-10-04 13:53                           ` Andrew Rybchenko
2021-10-05  6:30                             ` Ori Kam
2021-10-05  7:27                               ` Andrew Rybchenko
2021-10-05  8:17                                 ` Ori Kam
2021-10-05  8:38                                   ` Andrew Rybchenko
2021-10-05  9:41                                     ` Ori Kam
2021-10-05 10:01                                       ` Andrew Rybchenko
2021-10-05 10:10                                         ` Ori Kam
2021-10-05 11:11                                           ` Andrew Rybchenko
2021-10-06  8:30                                             ` Thomas Monjalon
2021-10-06  8:38                                               ` Andrew Rybchenko
2021-10-06  9:14                                                 ` Ori Kam
2021-09-30 21:48     ` Ajit Khaparde
2021-09-30 22:00       ` Ivan Malov
2021-09-30 22:12         ` Ajit Khaparde
2021-09-30 22:22           ` Ivan Malov
2021-10-03  7:05             ` Ori Kam
2021-09-23 11:20   ` [dpdk-dev] [PATCH v3 2/5] net/sfc: support " Ivan Malov
2021-09-23 11:20   ` [dpdk-dev] [PATCH v3 3/5] net/sfc: support flow mark delivery on EF100 native datapath Ivan Malov
2021-09-23 11:20   ` [dpdk-dev] [PATCH v3 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-09-23 11:20   ` [dpdk-dev] [PATCH v3 5/5] net/sfc: report user flag on EF100 native datapath Ivan Malov
2021-09-30 16:18   ` [dpdk-dev] [PATCH v3 0/5] A means to negotiate delivery of Rx meta data Thomas Monjalon
2021-09-30 19:30     ` Ivan Malov
2021-10-01  6:47       ` Andrew Rybchenko
2021-10-01  8:11         ` Thomas Monjalon
2021-10-01  8:54           ` Andrew Rybchenko
2021-10-01  9:32             ` Thomas Monjalon
2021-10-01  9:41               ` Andrew Rybchenko
2021-10-01  8:55           ` Ivan Malov
2021-10-01  9:48             ` Thomas Monjalon
2021-10-01 10:15               ` Andrew Rybchenko
2021-10-01 12:10                 ` Thomas Monjalon
2021-10-04  9:17                   ` Andrew Rybchenko
2021-10-04 23:50   ` [dpdk-dev] [PATCH v4 0/5] Negotiate the NIC's ability to deliver Rx metadata to the PMD Ivan Malov
2021-10-04 23:50     ` [dpdk-dev] [PATCH v4 1/5] ethdev: negotiate delivery of packet metadata from HW to PMD Ivan Malov
2021-10-05 12:03       ` Ori Kam
2021-10-05 12:50         ` Ivan Malov
2021-10-05 13:17           ` Andrew Rybchenko
2021-10-04 23:50     ` [dpdk-dev] [PATCH v4 2/5] net/sfc: support API to negotiate delivery of Rx metadata Ivan Malov
2021-10-04 23:50     ` [dpdk-dev] [PATCH v4 3/5] net/sfc: support flow mark delivery on EF100 native datapath Ivan Malov
2021-10-04 23:50     ` [dpdk-dev] [PATCH v4 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-10-04 23:50     ` [dpdk-dev] [PATCH v4 5/5] net/sfc: report user flag on EF100 native datapath Ivan Malov
2021-10-05 15:56   ` [dpdk-dev] [PATCH v5 0/5] ethdev: negotiate the NIC's ability to deliver Rx metadata to the PMD Ivan Malov
2021-10-05 15:56     ` [dpdk-dev] [PATCH v5 1/5] ethdev: negotiate delivery of packet metadata from HW to PMD Ivan Malov
2021-10-05 21:40       ` Ajit Khaparde
2021-10-06  6:04         ` Somnath Kotur
2021-10-06  6:10           ` Ori Kam
2021-10-06  7:22             ` Wisam Monther
2021-10-05 15:56     ` [dpdk-dev] [PATCH v5 2/5] net/sfc: support API to negotiate delivery of Rx metadata Ivan Malov
2021-10-05 15:56     ` [dpdk-dev] [PATCH v5 3/5] net/sfc: support flow mark delivery on EF100 native datapath Ivan Malov
2021-10-05 15:56     ` [dpdk-dev] [PATCH v5 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-10-05 15:56     ` [dpdk-dev] [PATCH v5 5/5] net/sfc: report user flag on EF100 native datapath Ivan Malov
2021-10-12 18:08       ` Ferruh Yigit
2021-10-12 19:39         ` Ivan Malov
2021-10-12 19:48         ` Ivan Malov
2021-10-12 19:38   ` [dpdk-dev] [PATCH v6 0/5] ethdev: negotiate the NIC's ability to deliver Rx metadata to the PMD Ivan Malov
2021-10-12 19:38     ` [dpdk-dev] [PATCH v6 1/5] ethdev: negotiate delivery of packet metadata from HW to PMD Ivan Malov
2021-10-12 19:38     ` [dpdk-dev] [PATCH v6 2/5] net/sfc: support API to negotiate delivery of Rx metadata Ivan Malov
2021-10-12 19:38     ` [dpdk-dev] [PATCH v6 3/5] net/sfc: support flow mark delivery on EF100 native datapath Ivan Malov
2021-10-12 19:38     ` [dpdk-dev] [PATCH v6 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-10-12 19:38     ` [dpdk-dev] [PATCH v6 5/5] net/sfc: report user flag on EF100 native datapath Ivan Malov
2021-10-12 19:46   ` [dpdk-dev] [PATCH v7 0/5] ethdev: negotiate the NIC's ability to deliver Rx metadata to the PMD Ivan Malov
2021-10-12 19:46     ` [dpdk-dev] [PATCH v7 1/5] ethdev: negotiate delivery of packet metadata from HW to PMD Ivan Malov
2021-10-12 19:46     ` [dpdk-dev] [PATCH v7 2/5] net/sfc: support API to negotiate delivery of Rx metadata Ivan Malov
2021-10-12 19:46     ` [dpdk-dev] [PATCH v7 3/5] net/sfc: support flow mark delivery on EF100 native datapath Ivan Malov
2021-10-12 19:46     ` [dpdk-dev] [PATCH v7 4/5] common/sfc_efx/base: add RxQ flag to use Rx prefix user flag Ivan Malov
2021-10-12 19:46     ` [dpdk-dev] [PATCH v7 5/5] net/sfc: report user flag on EF100 native datapath Ivan Malov
2021-10-12 23:25     ` [dpdk-dev] [PATCH v7 0/5] ethdev: negotiate the NIC's ability to deliver Rx metadata to the PMD Ferruh Yigit

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