Re: [dpdk-dev] [PATCH v2 1/2] test/crypto: close PMD after tests

[Akhil Goyal <gakhil@marvell.com>]

> The pmd is initialized in the setup function.
> This patch adds one extra step inside the teardown function: the call to the
> rte_cryptodev_close apart of the call to rte_cryptodev_stop function that
> existed before.
> 
> I don't see any sense of calling the stop function inside the setup, in my
> opinion it's much better to do it during the teardown.
> 

Sorry, I wanted to refer to testsuite_teardown() instead of ut_teardown().
The reason is that, vdevs are initialized in testsuite_setup and not ut_setup.
Hence corresponding reverse function should be in testsuite_teardown().

-akhil
> 
> > -----Original Message-----
> > From: Akhil Goyal <gakhil@marvell.com>
> > Sent: Monday, 5 April, 2021 20:59
> > To: Akhil Goyal <gakhil@marvell.com>; Dybkowski, AdamX
> > <adamx.dybkowski@intel.com>; dev@dpdk.org; Doherty, Declan
> > <declan.doherty@intel.com>; Kusztal, ArkadiuszX
> > <arkadiuszx.kusztal@intel.com>
> > Subject: RE: [dpdk-dev] [PATCH v2 1/2] test/crypto: close PMD after tests
> >
> > Hi Adam/Arek,
> >
> > Could you please reply to the below query.
> >
> > > > This patch adds closing of the PMD after running the tests.
> > > >
> > > > Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com>
> > > > ---
> > > >  app/test/test_cryptodev.c | 6 +++++-
> > > >  1 file changed, 5 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
> > > > index f91debc16..ea965a64a 100644
> > > > --- a/app/test/test_cryptodev.c
> > > > +++ b/app/test/test_cryptodev.c
> > > > @@ -928,6 +928,7 @@ ut_teardown(void)
> > > >  	struct crypto_testsuite_params *ts_params = &testsuite_params;
> > > >  	struct crypto_unittest_params *ut_params = &unittest_params;
> > > >  	struct rte_cryptodev_stats stats;
> > > > +	int res;
> > > >
> > > >  	/* free crypto session structure */  #ifdef RTE_LIB_SECURITY @@
> > > > -976,8 +977,11 @@ ut_teardown(void)
> > > >
> > > >  	rte_cryptodev_stats_get(ts_params->valid_devs[0], &stats);
> > > >
> > > > -	/* Stop the device */
> > > > +	/* Stop and close the device */
> > > >  	rte_cryptodev_stop(ts_params->valid_devs[0]);
> > > > +	res = rte_cryptodev_close(ts_params->valid_devs[0]);
> > > > +	if (res)
> > > > +		RTE_LOG(ERR, USER1, "Crypto device close error %d\n",
> > res);
> > >
> > > Shouldn't this be part of testsuite_setup() instead of ut_teardown()?
> > > In cases of vdev, devices are initialized as part of testsuite_setup().
> > >
> > > Should we also call rte_cryptodev_queue_pair_release from
> > ut_teardown?
> > >
> > > Regards,
> > > Akhil