From: "Daly, Lee" <lee.daly@intel.com>
To: "Varghese, Vipin" <vipin.varghese@intel.com>,
"akhil.goyal@nxp.com" <akhil.goyal@nxp.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v3 3/3] doc: update ISA-L guide to reflect checksum support
Date: Mon, 7 Jan 2019 10:37:12 +0000 [thread overview]
Message-ID: <F5C6929789601049BEB7272E26735598819E86@IRSMSX106.ger.corp.intel.com> (raw)
In-Reply-To: <4C9E0AB70F954A408CC4ADDBF0F8FA7D4D2DF881@BGSMSX101.gar.corp.intel.com>
Hi Vipin, thanks for your suggestion.
I will send another version with the change.
/Lee.
> -----Original Message-----
> From: Varghese, Vipin
> Sent: Friday, December 28, 2018 5:05 AM
> To: Daly, Lee <lee.daly@intel.com>; akhil.goyal@nxp.com
> Cc: dev@dpdk.org; Daly, Lee <lee.daly@intel.com>
> Subject: RE: [dpdk-dev] [PATCH v3 3/3] doc: update ISA-L guide to reflect
> checksum support
>
> Hi Lee,
>
> A humble suggestion being shared for document update, Based on DPDK
> 19.02-rc1 release both code and associated document update is to be in
> single patch file.
>
> Note: I am not fully sure how this is applicable to 'isal.ini and isal.rst'. It will be
> good to have a check.
>
> Thanks
> Vipin Varghese
>
> > -----Original Message-----
> > From: dev <dev-bounces@dpdk.org> On Behalf Of Lee Daly
> > Sent: Thursday, December 13, 2018 4:13 PM
> > To: akhil.goyal@nxp.com
> > Cc: dev@dpdk.org; Daly, Lee <lee.daly@intel.com>
> > Subject: [dpdk-dev] [PATCH v3 3/3] doc: update ISA-L guide to reflect
> > checksum support
> >
> > This updates the ISA-L compression driver guide on how to enable and
> > use checksums.
> >
> > This also updates the compression drivers features matrix.
> >
> > V2:
> > Documentation Changes
> > V3:
> > Added Release note
> >
> > Signed-off-by: Lee Daly <lee.daly@intel.com>
> > Acked-by: Fiona Trahe <fiona.trahe@intel.com>
> > ---
> > doc/guides/compressdevs/features/isal.ini | 2 ++
> > doc/guides/compressdevs/isal.rst | 30
> ++++++++++++++++++++++++++++-
> > -
> > doc/guides/rel_notes/release_19_02.rst | 5 +++++
> > 3 files changed, 35 insertions(+), 2 deletions(-)
> >
> > diff --git a/doc/guides/compressdevs/features/isal.ini
> > b/doc/guides/compressdevs/features/isal.ini
> > index 919cf70..e705031 100644
> > --- a/doc/guides/compressdevs/features/isal.ini
> > +++ b/doc/guides/compressdevs/features/isal.ini
> > @@ -12,5 +12,7 @@ OOP SGL In SGL Out = Y OOP SGL In LB Out = Y OOP
> > LB In SGL Out = Y
> > Deflate = Y
> > +Adler32 = Y
> > +Crc32 = Y
> > Fixed = Y
> > Dynamic = Y
> > diff --git a/doc/guides/compressdevs/isal.rst
> > b/doc/guides/compressdevs/isal.rst
> > index 3bc3022..af1f41f 100644
> > --- a/doc/guides/compressdevs/isal.rst
> > +++ b/doc/guides/compressdevs/isal.rst
> > @@ -27,6 +27,33 @@ Window size support:
> >
> > * 32K
> >
> > +Checksum:
> > +
> > + * CRC32
> > + * ADLER32
> > +
> > +To enable a checksum in the driver, the compression and/or
> > +decompression xform structure, rte_comp_xform, must be filled with
> > +either of the CompressDev checksum flags supported. ::
> > +
> > + compress_xform->compress.chksum = RTE_COMP_CHECKSUM_CRC32
> > +
> > + decompress_xform->decompress.chksum =
> RTE_COMP_CHECKSUM_CRC32
> > +
> > +::
> > +
> > + compress_xform->compress.chksum =
> RTE_COMP_CHECKSUM_ADLER32
> > +
> > + decompress_xform->decompress.chksum =
> RTE_COMP_CHECKSUM_ADLER32
> > +
> > +If you request a checksum for compression or decompression, the
> > +checksum field in the operation structure, ``op->output_chksum``,
> > +will be filled with the checksum.
> > +
> > +.. Note::
> > +
> > + For the compression case above, your output buffer will need to be
> > + large
> > enough to hold the compressed data plus a scratchpad for the checksum
> > at the end, the scratchpad is 8 bytes for CRC32 and 4 bytes for Adler32.
> > +
> > Level guide:
> >
> > The ISA-L levels have been mapped to somewhat correspond to the same
> > ZLIB level, @@ -75,13 +102,12 @@ As a result the level mappings from
> > the API to the PMD are shown below.
> > The above table only shows mapping when API calls for dynamic
> compression.
> > For fixed compression, regardless of API level, internally ISA-L
> > level 0 is always used.
> >
> > +
> > Limitations
> > -----------
> >
> > * Compressdev level 0, no compression, is not supported.
> >
> > -* Checksums will not be supported until future release.
> > -
> > Installation
> > ------------
> >
> > diff --git a/doc/guides/rel_notes/release_19_02.rst
> > b/doc/guides/rel_notes/release_19_02.rst
> > index a94fa86..3a4d264 100644
> > --- a/doc/guides/rel_notes/release_19_02.rst
> > +++ b/doc/guides/rel_notes/release_19_02.rst
> > @@ -54,6 +54,11 @@ New Features
> > Also, make sure to start the actual text at the margin.
> >
> =========================================================
> >
> > + * **Enabled checksum support in the ISA-L compressdev driver.**
> > +
> > + Added support for both adler and crc32 checksums in the ISA-L PMD.
> > + This aids data integrity across both compression and decompression.
> > +
> >
> > Removed Items
> > -------------
> > --
> > 2.7.4
next prev parent reply other threads:[~2019-01-07 10:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-09 16:21 [dpdk-dev] [PATCH 1/3] compress/isal: enable checksum support in driver Lee Daly
2018-10-09 16:21 ` [dpdk-dev] [PATCH 2/3] test/compress: add checksum tests Lee Daly
2018-10-11 10:37 ` Trahe, Fiona
2018-10-09 16:21 ` [dpdk-dev] [PATCH 3/3] doc: update ISA-L guide to reflect checksum support Lee Daly
2018-10-11 10:04 ` Trahe, Fiona
2018-11-28 10:41 ` [dpdk-dev] [PATCH v2 1/3] compress/isal: enable checksum support in driver Lee Daly
2018-11-28 10:41 ` [dpdk-dev] [PATCH v2 2/3] test/compress: add checksum tests Lee Daly
2018-12-05 13:57 ` Jozwiak, TomaszX
2018-12-12 0:25 ` Trahe, Fiona
2018-11-28 10:41 ` [dpdk-dev] [PATCH v2 3/3] doc: update ISA-L guide to reflect checksum support Lee Daly
2018-12-12 0:27 ` Trahe, Fiona
2018-12-12 0:10 ` [dpdk-dev] [PATCH v2 1/3] compress/isal: enable checksum support in driver Trahe, Fiona
2018-12-13 10:42 ` [dpdk-dev] [PATCH v3 " Lee Daly
2018-12-13 10:42 ` [dpdk-dev] [PATCH v3 2/3] test/compress: add checksum tests Lee Daly
2018-12-13 10:42 ` [dpdk-dev] [PATCH v3 3/3] doc: update ISA-L guide to reflect checksum support Lee Daly
2018-12-28 5:04 ` Varghese, Vipin
2019-01-07 10:37 ` Daly, Lee [this message]
2019-01-07 13:31 ` Varghese, Vipin
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