Message ID | 20220118050221.3914960-1-akozyrev@nvidia.com (mailing list archive) |
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Headers |
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Mon, 17 Jan 2022 21:02:35 -0800 From: Alexander Kozyrev <akozyrev@nvidia.com> To: <dev@dpdk.org> CC: <orika@nvidia.com>, <thomas@monjalon.net>, <ivan.malov@oktetlabs.ru>, <andrew.rybchenko@oktetlabs.ru>, <ferruh.yigit@intel.com>, <mohammad.abdul.awal@intel.com>, <qi.z.zhang@intel.com>, <jerinj@marvell.com>, <ajit.khaparde@broadcom.com> Subject: [PATCH 00/10] ethdev: datapath-focused flow rules management Date: Tue, 18 Jan 2022 07:02:11 +0200 Message-ID: <20220118050221.3914960-1-akozyrev@nvidia.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6e52f203-d7ee-4dc6-d1b3-08d9da3fc0a8 X-MS-TrafficTypeDiagnostic: CH0PR12MB5235:EE_|BN7PR12MB2769:EE_ X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr,ExtAddr X-Microsoft-Antispam-PRVS: <CH0PR12MB5235A5FB67CDF25BA329F2A7AF589@CH0PR12MB5235.namprd12.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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Series |
ethdev: datapath-focused flow rules management
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Message
Alexander Kozyrev
Jan. 18, 2022, 5:02 a.m. UTC
Three major changes to a generic RTE Flow API were implemented in order
to speed up flow rule insertion/destruction and adapt the API to the
needs of a datapath-focused flow rules management applications:
1. Pre-configuration hints.
Application may give us some hints on what type of resources are needed.
Introduce the configuration routine to prepare all the needed resources
inside a PMD/HW before any flow rules are created at the init stage.
2. Flow grouping using templates.
Use the knowledge about which flow rules are to be used in an application
and prepare item and action templates for them in advance. Group flow rules
with common patterns and actions together for better resource management.
3. Queue-based flow management.
Perform flow rule insertion/destruction asynchronously to spare the datapath
from blocking on RTE Flow API and allow it to continue with packet processing.
Enqueue flow rules operations and poll for the results later.
testpmd examples are part of the patch series. PMD changes will follow.
RFC: https://patchwork.dpdk.org/project/dpdk/cover/20211006044835.3936226-1-akozyrev@nvidia.com/
Signed-off-by: Alexander Kozyrev <akozyrev@nvidia.com>
Alexander Kozyrev (10):
ethdev: introduce flow pre-configuration hints
ethdev: add flow item/action templates
ethdev: bring in async queue-based flow rules operations
app/testpmd: implement rte flow configure
app/testpmd: implement rte flow item/action template
app/testpmd: implement rte flow table
app/testpmd: implement rte flow queue create flow
app/testpmd: implement rte flow queue drain
app/testpmd: implement rte flow queue dequeue
app/testpmd: implement rte flow queue indirect action
app/test-pmd/cmdline_flow.c | 1484 ++++++++++++++++-
app/test-pmd/config.c | 731 ++++++++
app/test-pmd/testpmd.h | 61 +
doc/guides/prog_guide/img/rte_flow_q_init.svg | 71 +
.../prog_guide/img/rte_flow_q_usage.svg | 60 +
doc/guides/prog_guide/rte_flow.rst | 319 ++++
doc/guides/rel_notes/release_22_03.rst | 19 +
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 350 +++-
lib/ethdev/rte_flow.c | 332 ++++
lib/ethdev/rte_flow.h | 680 ++++++++
lib/ethdev/rte_flow_driver.h | 103 ++
lib/ethdev/version.map | 16 +
12 files changed, 4203 insertions(+), 23 deletions(-)
create mode 100644 doc/guides/prog_guide/img/rte_flow_q_init.svg
create mode 100644 doc/guides/prog_guide/img/rte_flow_q_usage.svg