Re: [dpdk-dev] [PATCH 03/20] security: add hfn override option in PDCP

["Ananyev, Konstantin" <konstantin.ananyev@intel.com>]

> > HFN can be given as a per packet value also.
> > As we do not have IV in case of PDCP, and HFN is
> > used to generate IV. IV field can be used to get the
> > per packet HFN while enq/deq
> > If hfn_ovrd field in pdcp_xform is set,
> > application is expected to set the per packet HFN
> > in place of IV. Driver will extract the HFN and perform
> > operations accordingly.
> >
> > Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
> > ---
> >  lib/librte_security/rte_security.h | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/lib/librte_security/rte_security.h
> > b/lib/librte_security/rte_security.h
> > index 96806e3a2..4452545fe 100644
> > --- a/lib/librte_security/rte_security.h
> > +++ b/lib/librte_security/rte_security.h
> > @@ -1,5 +1,5 @@
> >  /* SPDX-License-Identifier: BSD-3-Clause
> > - * Copyright 2017 NXP.
> > + * Copyright 2017,2019 NXP
> >   * Copyright(c) 2017 Intel Corporation.
> >   */
> >
> > @@ -270,6 +270,8 @@ struct rte_security_pdcp_xform {
> >  	uint32_t hfn;
> >  	/** HFN Threshold for key renegotiation */
> >  	uint32_t hfn_threshold;
> > +	/** Enable per packet HFN override */
> > +	uint32_t hfn_ovrd;
> >  };
> >
> >  /**
> > --

Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

> > 2.17.1