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From: Stephen Hemminger <stephen@networkplumber.org>
To: Anoob Joseph <anoobj@marvell.com>
Cc: "Thomas Monjalon" <thomas@monjalon.net>,
	"Akhil Goyal" <gakhil@marvell.com>,
	"Jerin Jacob Kollanukkaran" <jerinj@marvell.com>,
	"Konstantin Ananyev" <konstantin.v.ananyev@yandex.ru>,
	"Bernard Iremonger" <bernard.iremonger@intel.com>,
	"Volodymyr Fialko" <vfialko@marvell.com>,
	"Hemant Agrawal" <hemant.agrawal@nxp.com>,
	"Mattias Rönnblom" <mattias.ronnblom@ericsson.com>,
	"Kiran Kumar Kokkilagadda" <kirankumark@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Olivier Matz" <olivier.matz@6wind.com>
Subject: Re: [EXT] Re: [PATCH v3 21/22] pdcp: add thread safe processing
Date: Thu, 25 May 2023 08:25:56 -0700	[thread overview]
Message-ID: <20230525082556.7d3fe8cb@hermes.local> (raw)
In-Reply-To: <PH0PR18MB467237EFBC81B3633727C9CEDF469@PH0PR18MB4672.namprd18.prod.outlook.com>

On Thu, 25 May 2023 08:15:07 +0000
Anoob Joseph <anoobj@marvell.com> wrote:

> [Anoob] With PDCP (& most other protocols), we have to update the states atomically. Application designers would have a choice of either use single thread or do multi-thread processing. If the library is designed for multi-thread and if application uses only single thread, then there would be unnecessary overheads from library. If library sticks to single-thread and if application needs more threads for scaling, then again it would become a library issue.
> 
> Is your issue with providing such an option or is it about how it is implemented? IPsec also has a similar challenge and similar per SA configuration is provided in lib IPsec as well.

If you want to provide unlocked access, then it should be done with another
set of API's.

The cost of conditional branch will be higher than atomic some times.

  reply	other threads:[~2023-05-25 15:26 UTC|newest]

Thread overview: 192+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-27  5:21 [RFC 0/1] lib: add pdcp protocol Anoob Joseph
2022-10-27  5:21 ` [RFC 1/1] " Anoob Joseph
2022-12-13  7:01 ` [RFC 0/1] " Akhil Goyal
2022-12-20 12:15   ` Anoob Joseph
2022-12-22  9:25 ` [PATCH 0/5] " Anoob Joseph
2022-12-22  9:25   ` [PATCH 1/5] net: add PDCP header Anoob Joseph
2023-01-18 16:36     ` Thomas Monjalon
2023-01-18 17:39       ` [EXT] " Anoob Joseph
2023-01-19  8:05         ` Thomas Monjalon
2023-01-23  9:21           ` Anoob Joseph
2023-01-23 15:31             ` Thomas Monjalon
2022-12-22  9:25   ` [PATCH 2/5] lib: add pdcp protocol Anoob Joseph
2023-01-18 16:26     ` Akhil Goyal
2023-02-13 10:59       ` Anoob Joseph
2022-12-22  9:25   ` [PATCH 3/5] app/test: add lib pdcp tests Anoob Joseph
2022-12-22  9:25   ` [PATCH 4/5] app/test: pdcp HFN tests in combined mode Anoob Joseph
2022-12-22  9:25   ` [PATCH 5/5] doc: add PDCP library guide Anoob Joseph
2023-01-18 16:39   ` [PATCH 0/5] lib: add pdcp protocol Thomas Monjalon
2023-01-23 17:36     ` Jerin Jacob
2023-04-14 17:44   ` [PATCH v2 00/22] " Anoob Joseph
2023-04-14 17:44     ` [PATCH v2 01/22] net: add PDCP header Anoob Joseph
2023-05-16 14:02       ` Akhil Goyal
2023-04-14 17:44     ` [PATCH v2 02/22] lib: add pdcp protocol Anoob Joseph
2023-05-16 15:30       ` Akhil Goyal
2023-05-18  6:53         ` Anoob Joseph
2023-05-18  7:40           ` Akhil Goyal
2023-05-18  8:32             ` Anoob Joseph
2023-05-18  8:46               ` Akhil Goyal
2023-05-22  7:03                 ` Anoob Joseph
2023-04-14 17:44     ` [PATCH v2 03/22] pdcp: add pre and post-process Anoob Joseph
2023-05-16 15:43       ` Akhil Goyal
2023-04-14 17:44     ` [PATCH v2 04/22] pdcp: add packet group Anoob Joseph
2023-05-16 15:56       ` Akhil Goyal
2023-05-18  8:12         ` Anoob Joseph
2023-04-14 17:44     ` [PATCH v2 05/22] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-16 16:21       ` Akhil Goyal
2023-04-14 17:44     ` [PATCH v2 06/22] pdcp: add pre and post process for UL Anoob Joseph
2023-05-18  6:38       ` Akhil Goyal
2023-04-14 17:44     ` [PATCH v2 07/22] pdcp: add pre and post process for DL Anoob Joseph
2023-05-18  6:47       ` Akhil Goyal
2023-05-18  7:33         ` Anoob Joseph
2023-04-14 17:44     ` [PATCH v2 08/22] pdcp: add IV generation routines Anoob Joseph
2023-05-18  6:51       ` Akhil Goyal
2023-04-14 17:44     ` [PATCH v2 09/22] app/test: add lib pdcp tests Anoob Joseph
2023-05-18  8:03       ` Akhil Goyal
2023-05-18 11:31         ` Anoob Joseph
2023-05-18 12:06           ` Akhil Goyal
2023-05-19 10:31             ` Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 10/22] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 11/22] doc: add PDCP library guide Anoob Joseph
2023-05-18  8:26       ` Akhil Goyal
2023-05-22 10:22         ` Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 12/22] pdcp: add control PDU handling Anoob Joseph
2023-05-18  9:15       ` Akhil Goyal
2023-05-22 11:09         ` Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 13/22] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 14/22] test/pdcp: add in-order delivery cases Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 15/22] pdcp: add timer callback handlers Anoob Joseph
2023-05-18  9:37       ` Akhil Goyal
2023-04-14 17:45     ` [PATCH v2 16/22] pdcp: add timer expiry handle Anoob Joseph
2023-05-18  9:43       ` Akhil Goyal
2023-05-22 11:34         ` Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 17/22] test/pdcp: add timer expiry cases Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 18/22] test/pdcp: add timer restart case Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 19/22] pdcp: add support for status report Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 20/22] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 21/22] pdcp: add thread safe processing Anoob Joseph
2023-04-14 17:45     ` [PATCH v2 22/22] test/pdcp: add PDCP status report cases Anoob Joseph
2023-05-24 16:00     ` [PATCH v3 00/22] lib: add pdcp protocol Anoob Joseph
2023-05-24 16:00       ` [PATCH v3 01/22] net: add PDCP header Anoob Joseph
2023-05-24 16:00       ` [PATCH v3 02/22] lib: add pdcp protocol Anoob Joseph
2023-05-24 16:00       ` [PATCH v3 03/22] pdcp: add pre and post-process Anoob Joseph
2023-05-24 16:00       ` [PATCH v3 04/22] pdcp: add packet group Anoob Joseph
2023-05-24 16:00       ` [PATCH v3 05/22] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 06/22] pdcp: add pre and post process for UL Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 07/22] pdcp: add pre and post process for DL Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 08/22] pdcp: add IV generation routines Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 09/22] app/test: add lib pdcp tests Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 10/22] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 11/22] doc: add PDCP library guide Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 12/22] pdcp: add control PDU handling for status report Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 13/22] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 14/22] test/pdcp: add in-order delivery cases Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 15/22] pdcp: add timer callback handlers Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 16/22] pdcp: add timer expiry handle Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 17/22] test/pdcp: add timer expiry cases Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 18/22] test/pdcp: add timer restart case Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 19/22] pdcp: add support for status report Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 20/22] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 21/22] pdcp: add thread safe processing Anoob Joseph
2023-05-24 18:31         ` Stephen Hemminger
2023-05-25  8:15           ` [EXT] " Anoob Joseph
2023-05-25 15:25             ` Stephen Hemminger [this message]
2023-05-25 15:37               ` Anoob Joseph
2023-05-24 16:01       ` [PATCH v3 22/22] test/pdcp: add PDCP status report cases Anoob Joseph
2023-05-26 21:01       ` [PATCH v4 00/22] lib: add pdcp protocol Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 01/22] net: add PDCP header Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 02/22] lib: add pdcp protocol Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 03/22] pdcp: add pre and post-process Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 04/22] pdcp: add packet group Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 05/22] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 06/22] pdcp: add pre and post process for UL Anoob Joseph
2023-05-26 21:01         ` [PATCH v4 07/22] pdcp: add pre and post process for DL Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 08/22] pdcp: add IV generation routines Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 09/22] app/test: add lib pdcp tests Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 10/22] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 11/22] doc: add PDCP library guide Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 12/22] pdcp: add control PDU handling for status report Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 13/22] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 14/22] test/pdcp: add in-order delivery cases Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 15/22] pdcp: add timer callback handlers Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 16/22] pdcp: add timer expiry handle Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 17/22] test/pdcp: add timer expiry cases Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 18/22] test/pdcp: add timer restart case Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 19/22] pdcp: add support for status report Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 20/22] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-05-26 21:02         ` [PATCH v4 21/22] pdcp: add thread safe processing Anoob Joseph
2023-05-26 22:11           ` Stephen Hemminger
2023-05-27  5:24             ` [EXT] " Anoob Joseph
2023-05-27  7:17               ` Anoob Joseph
2023-05-26 22:15           ` Stephen Hemminger
2023-05-26 21:02         ` [PATCH v4 22/22] test/pdcp: add PDCP status report cases Anoob Joseph
2023-05-27  7:15         ` [PATCH v5 00/21] lib: add pdcp protocol Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 01/21] net: add PDCP header Anoob Joseph
2023-05-30  8:51             ` Akhil Goyal
2023-05-27  7:15           ` [PATCH v5 02/21] lib: add pdcp protocol Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 03/21] pdcp: add pre and post-process Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 04/21] pdcp: add packet group Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 05/21] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 06/21] pdcp: add pre and post process for UL Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 07/21] pdcp: add pre and post process for DL Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 08/21] pdcp: add IV generation routines Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 09/21] app/test: add lib pdcp tests Anoob Joseph
2023-05-27  7:15           ` [PATCH v5 10/21] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 11/21] doc: add PDCP library guide Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 12/21] pdcp: add control PDU handling for status report Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 13/21] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 14/21] test/pdcp: add in-order delivery cases Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 15/21] pdcp: add timer callback handlers Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 16/21] pdcp: add timer expiry handle Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 17/21] test/pdcp: add timer expiry cases Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 18/21] test/pdcp: add timer restart case Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 19/21] pdcp: add support for status report Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 20/21] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-05-27  7:16           ` [PATCH v5 21/21] test/pdcp: add PDCP status report cases Anoob Joseph
2023-05-27  8:58         ` [PATCH v5 00/21] lib: add pdcp protocol Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 01/21] net: add PDCP header Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 02/21] lib: add pdcp protocol Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 03/21] pdcp: add pre and post-process Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 04/21] pdcp: add packet group Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 05/21] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 06/21] pdcp: add pre and post process for UL Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 07/21] pdcp: add pre and post process for DL Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 08/21] pdcp: add IV generation routines Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 09/21] app/test: add lib pdcp tests Anoob Joseph
2023-05-27  8:58           ` [PATCH v5 10/21] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 11/21] doc: add PDCP library guide Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 12/21] pdcp: add control PDU handling for status report Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 13/21] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 14/21] test/pdcp: add in-order delivery cases Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 15/21] pdcp: add timer callback handlers Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 16/21] pdcp: add timer expiry handle Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 17/21] test/pdcp: add timer expiry cases Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 18/21] test/pdcp: add timer restart case Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 19/21] pdcp: add support for status report Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 20/21] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-05-27  8:59           ` [PATCH v5 21/21] test/pdcp: add PDCP status report cases Anoob Joseph
2023-05-30 10:01           ` [PATCH v6 00/21] lib: add pdcp protocol Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 01/21] net: add PDCP header Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 02/21] lib: add pdcp protocol Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 03/21] pdcp: add pre and post-process Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 04/21] pdcp: add packet group Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 05/21] pdcp: add crypto session create and destroy Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 06/21] pdcp: add pre and post process for UL Anoob Joseph
2023-06-10 22:50               ` Thomas Monjalon
2023-06-12  5:19                 ` [EXT] " Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 07/21] pdcp: add pre and post process for DL Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 08/21] pdcp: add IV generation routines Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 09/21] app/test: add lib pdcp tests Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 10/21] test/pdcp: pdcp HFN tests in combined mode Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 11/21] doc: add PDCP library guide Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 12/21] pdcp: add control PDU handling for status report Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 13/21] pdcp: implement t-Reordering and packet buffering Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 14/21] test/pdcp: add in-order delivery cases Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 15/21] pdcp: add timer callback handlers Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 16/21] pdcp: add timer expiry handle Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 17/21] test/pdcp: add timer expiry cases Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 18/21] test/pdcp: add timer restart case Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 19/21] pdcp: add support for status report Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 20/21] pdcp: allocate reorder buffer alongside with entity Anoob Joseph
2023-05-30 10:01             ` [PATCH v6 21/21] test/pdcp: add PDCP status report cases Anoob Joseph
2023-06-01  8:47             ` [PATCH v6 00/21] lib: add pdcp protocol Akhil Goyal

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