[dpdk-dev] [PATCH 14/33] app/testeventdev: order: add eventdev port setup
Jerin Jacob
jerin.jacob at caviumnetworks.com
Fri Jun 23 14:45:25 CEST 2017
-----Original Message-----
> Date: Fri, 23 Jun 2017 12:36:47 +0000
> From: "Van Haaren, Harry" <harry.van.haaren at intel.com>
> To: Jerin Jacob <jerin.jacob at caviumnetworks.com>, "dev at dpdk.org"
> <dev at dpdk.org>
> CC: "Richardson, Bruce" <bruce.richardson at intel.com>,
> "hemant.agrawal at nxp.com" <hemant.agrawal at nxp.com>, "Eads, Gage"
> <gage.eads at intel.com>, "nipun.gupta at nxp.com" <nipun.gupta at nxp.com>,
> "Vangati, Narender" <narender.vangati at intel.com>, "Rao, Nikhil"
> <nikhil.rao at intel.com>, "gprathyusha at caviumnetworks.com"
> <gprathyusha at caviumnetworks.com>
> Subject: RE: [dpdk-dev] [PATCH 14/33] app/testeventdev: order: add eventdev
> port setup
>
> > From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
> > Sent: Sunday, May 28, 2017 8:59 PM
> > To: dev at dpdk.org
> > Cc: Richardson, Bruce <bruce.richardson at intel.com>; Van Haaren, Harry
> > <harry.van.haaren at intel.com>; hemant.agrawal at nxp.com; Eads, Gage <gage.eads at intel.com>;
> > nipun.gupta at nxp.com; Vangati, Narender <narender.vangati at intel.com>; Rao, Nikhil
> > <nikhil.rao at intel.com>; gprathyusha at caviumnetworks.com; Jerin Jacob
> > <jerin.jacob at caviumnetworks.com>
> > Subject: [dpdk-dev] [PATCH 14/33] app/testeventdev: order: add eventdev port setup
> >
> > Setup one port per worker and link to all queues and setup
> > one producer port to inject the events.
> >
> > Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
>
> One suggestion below to increase the enqueue depth, or was there a reason set it to 8?
No specific reason. I think, In some example, SW driver was configuring to 8.
So I choose to select 8. I will change to 32 as you suggested.
>
> Acked-by: Harry van Haaren <harry.van.haaren at intel.com>
>
>
> <snip some code>
>
> > + /* setup one port per worker, linking to all queues */
> > + for (port = 0; port < nb_workers; port++) {
> > + struct worker_data *w = &t->worker[port];
> > +
> > + w->dev_id = opt->dev_id;
> > + w->port_id = port;
> > + w->t = t;
> > +
> > + ret = rte_event_port_setup(opt->dev_id, port, &wkr_p_conf);
> > + if (ret) {
> > + evt_err("failed to setup port %d", port);
> > + return ret;
> > + }
> > +
> > + ret = rte_event_port_link(opt->dev_id, port, NULL, NULL, 0);
> > + if (ret != nb_queues) {
> > + evt_err("failed to link all queues to port %d", port);
> > + return -EINVAL;
> > + }
> > + }
> > + /* port for producer, no links */
> > + const struct rte_event_port_conf prod_conf = {
> > + .dequeue_depth = 8,
> > + .enqueue_depth = 8,
>
> .enqueue_depth = 32 or so?
>
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