Hi Hemant, > -----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? Regards, Fan
