Re: [dpdk-dev] [PATCH v2] eventdev: fix case to initiate crypto adapter service

["Gujjar, Abhinandan S" <abhinandan.gujjar@intel.com>]

> -----Original Message-----
> From: Shijith Thotton <shijith.thotton@gmail.com>
> Sent: Tuesday, April 13, 2021 1:21 PM
> To: Gujjar, Abhinandan S <abhinandan.gujjar@intel.com>
> Cc: Shijith Thotton <sthotton@marvell.com>; dev@dpdk.org; Jerin Jacob
> <jerinj@marvell.com>; Akhil Goyal <gakhil@marvell.com>; Anoob Joseph
> <anoobj@marvell.com>
> Subject: Re: [dpdk-dev] [PATCH v2] eventdev: fix case to initiate crypto
> adapter service
> 
> On Tue, Apr 13, 2021 at 04:08:40AM +0000, Gujjar, Abhinandan S wrote:
> >
> >
> > > -----Original Message-----
> > > From: Shijith Thotton <sthotton@marvell.com>
> > > Sent: Monday, April 12, 2021 2:24 PM
> > > To: dev@dpdk.org
> > > Cc: Shijith Thotton <sthotton@marvell.com>; Gujjar, Abhinandan S
> > > <abhinandan.gujjar@intel.com>; Jerin Jacob <jerinj@marvell.com>;
> > > Akhil Goyal <gakhil@marvell.com>; Anoob Joseph
> <anoobj@marvell.com>
> > > Subject: [PATCH v2] eventdev: fix case to initiate crypto adapter
> > > service
> > >
> > > Initiate software crypto adapter service, only if hardware
> > > capabilities are not reported. In OP_FORWARD mode, software service
> > > is not required to enqueue events if OP_FORWARD capability is
> supported by the PMD.
> > >
> > > Fixes: 7901eac3409a ("eventdev: add crypto adapter implementation")
> > >
> > > Signed-off-by: Shijith Thotton <sthotton@marvell.com>
> > > ---
> > > v2:
> > > - Reworded commit message.
> > >
> > >  lib/librte_eventdev/rte_event_crypto_adapter.c | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/lib/librte_eventdev/rte_event_crypto_adapter.c
> > > b/lib/librte_eventdev/rte_event_crypto_adapter.c
> > > index d903cdd48..e1d38d383 100644
> > > --- a/lib/librte_eventdev/rte_event_crypto_adapter.c
> > > +++ b/lib/librte_eventdev/rte_event_crypto_adapter.c
> > > @@ -861,6 +861,7 @@
> rte_event_crypto_adapter_queue_pair_add(uint8_t
> > > id,
> > >  	 *          b. OP_NEW mode -> SW Dequeue
> > >  	 */
> > >  	if ((cap &
> > > RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW &&
> > > +	     !(cap &
> > > RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) &&
> > The same check is below ORed with above condition.
> > This is confusing. Could you recheck & do the necessary changes?
> >
> 
> As per comments above, below checks are used to initiate SW service if:
> 1. PMDs supports OP_NEW, but not OP_FWD, in FWD mode.
> 2. Does not support OP_NEW and OP_FWD.
> 
> I have fixed the first point where only support for OP_NEW is checked in
> forward mode, by adding a check for no OP_FWD capability.
Sounds good.

Acked-by: Abhinandan.gujjar@intel.com

> 
> > >  	     adapter->mode ==
> > > RTE_EVENT_CRYPTO_ADAPTER_OP_FORWARD) ||
> > >  	     (!(cap &
> > > RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_NEW) &&
> > >  	      !(cap &
> > > RTE_EVENT_CRYPTO_ADAPTER_CAP_INTERNAL_PORT_OP_FWD) &&
> > > --
> > > 2.25.1
> >