From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Nikhil Rao <nikhil.rao@intel.com>
Cc: gage.eads@intel.com, dev@dpdk.org, thomas@monjalon.net,
bruce.richardson@intel.com, harry.van.haaren@intel.com,
hemant.agrawal@nxp.com, nipun.gupta@nxp.com,
narender.vangati@intel.com,
Abhinandan Gujjar <abhinandan.gujjar@intel.com>
Subject: Re: [dpdk-dev] [PATCH 1/2] eventdev: add event adapter for ethernet Rx queues
Date: Thu, 6 Jul 2017 19:48:30 +0530 [thread overview]
Message-ID: <20170706141829.GA5260@jerin> (raw)
In-Reply-To: <1499377952-5306-1-git-send-email-nikhil.rao@intel.com>
-----Original Message-----
> Date: Fri, 7 Jul 2017 03:22:31 +0530
> From: Nikhil Rao <nikhil.rao@intel.com>
> To: jerin.jacob@caviumnetworks.com
> CC: gage.eads@intel.com, dev@dpdk.org, thomas@monjalon.net,
> bruce.richardson@intel.com, harry.van.haaren@intel.com,
> hemant.agrawal@nxp.com, nipun.gupta@nxp.com, narender.vangati@intel.com,
> Nikhil Rao <nikhil.rao@intel.com>, Abhinandan Gujjar
> <abhinandan.gujjar@intel.com>
> Subject: [PATCH 1/2] eventdev: add event adapter for ethernet Rx queues
> X-Mailer: git-send-email 2.7.4
>
> 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. It is based on
> a previous RFC[2].
>
> The adapter is designed to work with the EAL service core[3]. If
> an application determines that the adapter is required, it can register and
> launch it on a service core. Alternatively, this adapter can serve as a
> template for applications to design customer ethernet Rx event adapters
> better suited to their needs.
>
> The adapter can service multiple ethernet devices and queues. 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/069782.html
>
> Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
> Signed-off-by: Gage Eads <gage.eads@intel.com>
> Signed-off-by: Abhinandan Gujjar <abhinandan.gujjar@intel.com>
> ---
Thanks Nikhil for the patch.
Looks like you missed this email?
http://dpdk.org/ml/archives/dev/2017-June/068142.html
Can we make it as function pointer based approach(keeping all adapter functions
function prototype required for SW PMD) so that each PMD
can register the ops for adapter_create etc so that same API can be used
for software and hardware PMDs(the scheme like rte_flow() or rte_tm()
approach)
Can discuss more on that to finalize the approach?
>
> v2:
> Thanks Jerin for review - below is a list of changes you
> suggested.
>
> - all public symbols are started with rte_event_.
> - Add Doxygen reference with @see.
> - Mention setting of ev.event_type.
> - Mention adapter to service function mapping.
> - Remove rte_eth_rx_event_adapter_dev_add/del().
> - Change rx_queuee_id to int32_t and use -1 to denote all Rx queues.
> - Add rte_eth_event_rx_queue_del().
>
> Other changes
> - Remove adapter's run function (rte_event_eth_rx_adapter_run()) from
> the public interface. The adapter internally uses it to create a
> service.
> - Add a blocked cycle count to stats. Further description is contained
> in the header.
> - Minor struct renames rte_event_eth_rx_adapter_config -> .._conf
> ---
next prev parent reply other threads:[~2017-07-06 14:19 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-09 20:38 [dpdk-dev] [RFC] " Gage Eads
2017-05-11 16:38 ` Jerin Jacob
2017-05-16 20:51 ` Thomas Monjalon
2017-05-24 4:30 ` Rao, Nikhil
2017-06-19 10:05 ` Jerin Jacob
2017-06-26 13:19 ` Jerin Jacob
2017-06-28 6:47 ` Rao, Nikhil
2017-07-06 21:52 ` [dpdk-dev] [PATCH 1/2] " Nikhil Rao
2017-07-06 14:18 ` Jerin Jacob [this message]
2017-07-07 6:21 ` Rao, Nikhil
2017-07-07 15:03 ` Jerin Jacob
2017-07-07 15:57 ` Jerin Jacob
2017-07-10 6:14 ` Rao, Nikhil
2017-07-10 10:41 ` Jerin Jacob
2017-07-13 3:26 ` Rao, Nikhil
2017-07-13 18:45 ` Jerin Jacob
2017-07-27 10:58 ` Rao, Nikhil
2017-07-29 15:12 ` Jerin Jacob
2017-07-31 3:57 ` Nipun Gupta
2017-07-31 15:31 ` Jerin Jacob
2017-08-01 8:40 ` Rao, Nikhil
2017-08-01 16:42 ` Jerin Jacob
2017-08-02 19:19 ` Eads, Gage
2017-08-03 6:23 ` Jerin Jacob
2017-08-09 2:23 ` Eads, Gage
2017-08-09 16:19 ` Jerin Jacob
2017-08-09 19:24 ` Eads, Gage
2017-08-10 16:53 ` Jerin Jacob
2017-08-14 8:48 ` Rao, Nikhil
2017-08-14 11:11 ` Jerin Jacob
2017-08-16 5:06 ` Rao, Nikhil
2017-08-11 5:25 ` Rao, Nikhil
2017-08-11 9:49 ` Jerin Jacob
2017-09-04 6:37 ` Jerin Jacob
2017-07-06 21:52 ` [dpdk-dev] [PATCH 2/2] eventdev: add event eth rx adapter unit tests Nikhil Rao
2017-07-24 10:10 ` [dpdk-dev] [PATCH 1/2] eventdev: add event adapter for ethernet Rx queues Nipun Gupta
2017-07-24 10:24 ` Jerin Jacob
2017-07-24 11:37 ` Nipun Gupta
2017-07-24 10:32 ` Van Haaren, Harry
2017-07-24 13:06 ` Nipun Gupta
2017-07-24 13:33 ` Van Haaren, Harry
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