[dpdk-dev] [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter

[Nipun Gupta]

> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
> Sent: Monday, October 09, 2017 18:13
> To: Nikhil Rao <nikhil.rao at intel.com>
> Cc: bruce.richardson at intel.com; dev at dpdk.org; Hemant Agrawal
> <hemant.agrawal at nxp.com>; Nipun Gupta <nipun.gupta at nxp.com>
> Subject: Re: [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter
> 
> -----Original Message-----
> > Date: Sat, 7 Oct 2017 02:39:54 +0530
> > From: Nikhil Rao <nikhil.rao at intel.com>
> > To: jerin.jacob at caviumnetworks.com, bruce.richardson at intel.com
> > CC: dev at dpdk.org
> > Subject: [PATCH v5 0/7] eventdev: cover letter: eth Rx adapter
> > 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. 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.
> 
> Hi Nikhil,
> 
> - Please re base to dpdk-next-eventdev
> - There is one check-git-long error. Please fix it
> Wrong headline lowercase:
> 	eventdev: add event type for eth rx adapter
> - You are planning to send the programmer guide with version. Right?
> Are planning to send now or post RC1 ?
> 
> - For it looks OK to pull in next-eventdev, after fixing the
> http://dpdk.org/ml/archives/dev/2017-October/077915.html and exiting
> comments
> 
> CC: Hemant Agrawal <hemant.agrawal at nxp.com>
> CC: Nipun Gupta <nipun.gupta at nxp.com>
> 
> Does any have any objection to pull this in RC1 if Nikhil sends the next
> version in time?

Looks fine with us. Also, we will be sending a patch to support NXP event adapter
implementation based on this soon.