> > -----Original Message----- > > From: Hemant Agrawal <hemant.agra...@nxp.com> > > Sent: Thursday, August 5, 2021 9:06 AM > > To: dev@dpdk.org; gak...@marvell.com > > Cc: ano...@marvell.com; Nicolau, Radu <radu.nico...@intel.com>; > > Doherty, Declan <declan.dohe...@intel.com>; ma...@nvidia.com; > Ananyev, > > Konstantin <konstantin.anan...@intel.com>; tho...@monjalon.net; > Zhang, > > Roy Fan <roy.fan.zh...@intel.com>; asoma...@amd.com; > > ruifeng.w...@arm.com; ajit.khapa...@broadcom.com; De Lara Guarch, > > Pablo <pablo.de.lara.gua...@intel.com>; Trahe, Fiona > > <fiona.tr...@intel.com>; adwiv...@marvell.com; > > jianjay.z...@huawei.com; Gagandeep Singh <g.si...@nxp.com> > > Subject: [PATCH] doc: announce change in crypto raw data vector > > > > The current crypto raw data vectors need to be extended to support out > > of place processing. It is proposed to add additional desl_sgl to > > provide details for destination sgl. > > The same is also extended to support rte_security usecases, where we > > need total data length to know how much additional memory space is > > available in buffer other than data length so that driver/HW can write > > expanded size data after encryption. > > > > Signed-off-by: Gagandeep Singh <g.si...@nxp.com> > > Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com> > > --- > > doc/guides/rel_notes/deprecation.rst | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/doc/guides/rel_notes/deprecation.rst > > b/doc/guides/rel_notes/deprecation.rst > > index f4a4d00db2..c19a306c93 100644 > > --- a/doc/guides/rel_notes/deprecation.rst > > +++ b/doc/guides/rel_notes/deprecation.rst > > @@ -193,3 +193,15 @@ Deprecation Notices > > reserved bytes to 2 (from 3), and use 1 byte to indicate warnings and > other > > information from the crypto/security operation. This field will be used > > to > > communicate events such as soft expiry with IPsec in lookaside mode. > > + > > +* cryptodev: The structure ``rte_crypto_sym_vec`` would be updated to > > add > > + ``dest_sgl`` to support out of place processing. This field will be > > + null for inplace processing. This change is targeted for DPDK 21.11 > > + > > +* cryptodev: The structure ``rte_crypto_vec`` would be updated to add > > + ``tot_len`` to support total buffer length. This is required for > > +security > > + cases like IPsec and PDCP encryption offload to know how much > > +additional > > + memory space is available in buffer other than data length so that > > driver/HW > > + can write expanded size data after encryption. This change is > > + targeted for DPDK 21.11 > > + > > -- > > 2.17.1 > > To add ``dest_sgl`` to ``rte_crypto_sym_vec`` I suppose it is better to rename > ``sgl`` to ``src_sgl`` in this deprecating notice too? [Hemant] I was just trying to minimize the changes. But it can be done.
> > Regards, > Fan
