From: Nikhil Rao <nikhil.rao@intel.com>
To: jerin.jacob@caviumnetworks.com, bruce.richardson@intel.com
Cc: gage.eads@intel.com, dev@dpdk.org, thomas@monjalon.net,
harry.van.haaren@intel.com, hemant.agrawal@nxp.com,
nipun.gupta@nxp.com, narender.vangati@intel.com,
erik.g.carrillo@intel.com, abhinandan.gujjar@intel.com,
Nikhil Rao <nikhil.rao@intel.com>
Subject: [dpdk-dev] [PATCH v3 0/4] eventdev: cover letter: ethernet Rx queue event adapter
Date: Tue, 12 Sep 2017 17:59:25 +0530 [thread overview]
Message-ID: <1505219369-2493-1-git-send-email-nikhil.rao@intel.com> (raw)
Eventdev-based networking applications require a component to dequeue
packets from NIC Rx queues and inject them into eventdev queues[1]. While
some platforms (e.g. Cavium Octeontx) do this operation in hardware, other
platforms use software.
This patchset introduces an ethernet Rx event adapter that dequeues packets
from ethernet devices and enqueues them to event devices. This patch is based on
a previous RFC[2] and supercedes [3], the main difference being that
this version implements a common abstraction for HW and SW based packet transfers.
The adapter is designed to work with the EAL service core[4] for SW based
packet transfers. An eventdev PMD callback is used to determine that SW
based packet transfer service is required. The application can discover
and configure the service with a core mask using rte_service APIs.
The adapter can service multiple ethernet devices and queues. For SW based
packet transfers each queue is configured with a servicing weight to
control the relative frequency with which the adapter polls the queue,
and the event fields to use when constructing packet events. The adapter
has two modes for programming an event's flow ID: use a static per-queue
user-specified value or use the RSS hash.
A detailed description of the adapter is contained in the header's
comments.
[1] http://dpdk.org/ml/archives/dev/2017-May/065341.html
[2] http://dpdk.org/ml/archives/dev/2017-May/065539.html
[3] http://dpdk.org/ml/archives/dev/2017-July/070452.html
[4] http://dpdk.org/ml/archives/dev/2017-July/069782.html
Note: The service API version used in this patch is the posted
at http://dpdk.org/ml/archives/dev/2017-August/073102.html
v3:
- This patch extends the V2 implementation with some changes to
provide a common API across HW & SW packet transfer mechanisms from
the eth devices to the event devices.
- Introduces a caps API that is used by the apps and the Rx
adapter to configure the packet transfer path.
- Adds an API to retrieve the service ID of the service function.
(if one is used by the adapter)
Nikhil Rao (4):
eventdev: Add ethernet Rx adapter caps function to SW eventdevice
eventdev: Add eventdev ethernet Rx adapter
eventdev: Add caps API and PMD callbacks for rte_event_eth_rx_adapter
eventdev: Add tests for event eth Rx adapter APIs
lib/librte_eventdev/rte_event_eth_rx_adapter.h | 386 ++++++++
lib/librte_eventdev/rte_eventdev.h | 33 +
lib/librte_eventdev/rte_eventdev_pmd.h | 175 ++++
drivers/event/sw/sw_evdev.c | 13 +
lib/librte_eventdev/rte_event_eth_rx_adapter.c | 1237 ++++++++++++++++++++++++
lib/librte_eventdev/rte_eventdev.c | 19 +
test/test/test_event_eth_rx_adapter.c | 379 ++++++++
lib/Makefile | 2 +-
lib/librte_eventdev/Makefile | 2 +
lib/librte_eventdev/rte_eventdev_version.map | 17 +
test/test/Makefile | 1 +
11 files changed, 2263 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_eventdev/rte_event_eth_rx_adapter.h
create mode 100644 lib/librte_eventdev/rte_event_eth_rx_adapter.c
create mode 100644 test/test/test_event_eth_rx_adapter.c
--
2.14.1.145.gb3622a4
next reply other threads:[~2017-09-12 3:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-12 12:29 Nikhil Rao [this message]
2017-09-12 12:29 ` [dpdk-dev] [PATCH v3 1/4] eventdev: Add caps API and PMD callbacks for rte_event_eth_rx_adapter Nikhil Rao
2017-09-12 12:29 ` [dpdk-dev] [PATCH v3 2/4] eventdev: Add eth Rx adapter caps callback to SW evdev Nikhil Rao
2017-09-13 13:36 ` Nipun Gupta
2017-09-14 3:04 ` Rao, Nikhil
2017-09-14 4:37 ` Nipun Gupta
2017-09-12 12:29 ` [dpdk-dev] [PATCH v3 3/4] eventdev: Add eventdev ethernet Rx adapter Nikhil Rao
2017-09-12 4:17 ` Jerin Jacob
2017-09-13 9:41 ` Rao, Nikhil
2017-09-13 18:53 ` [dpdk-dev] [PATCH " Nikhil Rao
2017-09-15 6:07 ` Nipun Gupta
2017-09-18 4:54 ` Rao, Nikhil
2017-09-15 6:10 ` santosh
2017-09-15 11:10 ` Rao, Nikhil
2017-09-15 14:26 ` santosh
2017-09-18 15:36 ` Van Haaren, Harry
2017-09-19 15:25 ` Rao, Nikhil
2017-09-12 12:29 ` [dpdk-dev] [PATCH v3 4/4] eventdev: Add tests for event eth Rx adapter APIs Nikhil Rao
2017-09-15 6:07 ` santosh
2017-09-18 15:40 ` Van Haaren, Harry
2017-09-21 12:36 ` [dpdk-dev] [PATCH v3 0/4] eventdev: cover letter: ethernet Rx queue event adapter Jerin Jacob
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