[dpdk-dev] [PATCH 09/13] examples/eventdev: add all type queue option
Pavan Nikhilesh
pbhagavatula at caviumnetworks.com
Tue Dec 19 20:05:22 CET 2017
On Tue, Dec 19, 2017 at 01:18:45PM +0000, Van Haaren, Harry wrote:
> > From: Pavan Nikhilesh [mailto:pbhagavatula at caviumnetworks.com]
> > Sent: Thursday, December 7, 2017 8:37 PM
> > To: Eads, Gage <gage.eads at intel.com>; jerin.jacobkollanukkaran at cavium.com;
> > Van Haaren, Harry <harry.van.haaren at intel.com>; Rao, Nikhil
> > <nikhil.rao at intel.com>; hemant.agrawal at nxp.com; Ma, Liang J
> > <liang.j.ma at intel.com>
> > Cc: dev at dpdk.org; Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
> > Subject: [PATCH 09/13] examples/eventdev: add all type queue option
> >
> > Added configurable option to make queue type as all type queues i.e.
> > RTE_EVENT_QUEUE_CFG_ALL_TYPES based on event dev capability
> > RTE_EVENT_DEV_CAP_QUEUE_ALL_TYPES.
> >
> > This can be enabled by supplying '-a' as a cmdline argument.
> >
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
>
> <snip>
>
> > @@ -494,9 +608,15 @@ opt_check(void)
> > void
> > set_worker_tx_setup_data(struct setup_data *caps, bool burst)
> > {
> > - if (burst)
> > + uint8_t atq = cdata.all_type_queues ? 1 : 0;
> > +
> > + if (burst && atq)
> > + caps->worker_loop = worker_do_tx_burst_atq;
> > + if (burst && !atq)
> > caps->worker_loop = worker_do_tx_burst;
> > - if (!burst)
> > + if (!burst && atq)
> > + caps->worker_loop = worker_do_tx_atq;
> > + if (!burst && !atq)
> > caps->worker_loop = worker_do_tx;
>
> This doesn't scale - we can't keep &&-ing in new options. Refactoring and calling a function per burst / non-burst suggested, perhaps something like:
>
> if(burst)
> caps->worker_loop = get_worker_loop_burst(atq);
> else
> caps->worker_loop = get_worker_loop_single(atq);
>
Agreed, will refactor worker selection logic.
Cheers,
Pavan.
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