From: "Singh, Jasvinder" <jasvinder.singh@intel.com>
To: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "Doherty, Declan" <declan.doherty@intel.com>,
"De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
Subject: Re: [dpdk-dev] [PATCH v3 1/2] librte_net: add crc compute APIs
Date: Mon, 13 Mar 2017 09:05:25 +0000 [thread overview]
Message-ID: <54CBAA185211B4429112C315DA58FF6D31B06BF1@IRSMSX101.ger.corp.intel.com> (raw)
In-Reply-To: <2601191342CEEE43887BDE71AB9772583FACE211@IRSMSX109.ger.corp.intel.com>
Hi Konstantin,
> -----Original Message-----
> From: Ananyev, Konstantin
> Sent: Monday, March 13, 2017 3:06 AM
> To: Singh, Jasvinder <jasvinder.singh@intel.com>; dev@dpdk.org
> Cc: Doherty, Declan <declan.doherty@intel.com>; De Lara Guarch, Pablo
> <pablo.de.lara.guarch@intel.com>
> Subject: RE: [dpdk-dev] [PATCH v3 1/2] librte_net: add crc compute APIs
>
> Hi Jasvinder,
>
> >
> > APIs for selecting the architecure specific implementation and
> > computing the crc (16-bit and 32-bit CRCs) are added. For CRCs
> > calculation, scalar as well as x86 intrinsic(sse4.2) versions are implemented.
> >
> > The scalar version is based on generic Look-Up Table(LUT) algorithm,
> > while x86 intrinsic version uses carry-less multiplication for fast
> > CRC computation.
> >
> > Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
> > ---
> > lib/librte_net/Makefile | 3 +
> > lib/librte_net/rte_net_crc.c | 205 ++++++++++++++++++++++
> > lib/librte_net/rte_net_crc.h | 104 +++++++++++
> > lib/librte_net/rte_net_crc_sse.h | 351
> +++++++++++++++++++++++++++++++++++++
> > lib/librte_net/rte_net_version.map | 8 +
> > 5 files changed, 671 insertions(+)
> > create mode 100644 lib/librte_net/rte_net_crc.c create mode 100644
> > lib/librte_net/rte_net_crc.h create mode 100644
> > lib/librte_net/rte_net_crc_sse.h
> >
> > +
> > +/**
> > + * CRC compute API
> > + *
> > + * @param mbuf
> > + * Pointer to the packet mbuf for crc computation
> > + * @param data_offset
> > + * Offset to the data in the mbuf
> > + * @param data_len
> > + * length of the data to compute the crc on
> > + * @param type
> > + * crc type
> > + *
> > + * @return
> > + * computed crc value
> > + */
> > +uint32_t
> > +rte_net_crc_calc(struct rte_mbuf *mbuf,
> > + uint32_t data_offset,
> > + uint32_t data_len,
> > + enum rte_net_crc_type type);
>
>
> I think it will probably be convenient to have this API not dependent on
> mbuf, something like:
>
> uint32_t rte_net_crc_calc(const void *buf, uint32_t data_len, enum
> rte_net_crc_type type);
>
> And if we like to have an extra function that would do similar thing for mbuf,
> that's fine too, but I suppose such function would have to handle multi-
> segment case too.
> Konstantin
I will change the api as you suggested. Thanks.
next prev parent reply other threads:[~2017-03-13 9:05 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-24 20:54 [dpdk-dev] [PATCH 0/2] librte_net: add crc computation support Jasvinder Singh
2017-02-24 20:54 ` [dpdk-dev] [PATCH 1/2] librte_net: add crc init and compute APIs Jasvinder Singh
2017-02-28 12:08 ` [dpdk-dev] [PATCH v2 0/2] librte_net: add crc computation support Jasvinder Singh
2017-02-28 12:08 ` [dpdk-dev] [PATCH v2 1/2] librte_net: add crc init and compute APIs Jasvinder Singh
2017-02-28 12:15 ` Jerin Jacob
2017-03-01 18:46 ` Thomas Monjalon
2017-03-02 13:03 ` Singh, Jasvinder
2017-03-06 15:27 ` Thomas Monjalon
2017-03-08 11:08 ` De Lara Guarch, Pablo
2017-03-15 17:35 ` Thomas Monjalon
2017-03-15 19:03 ` Dumitrescu, Cristian
2017-03-15 20:15 ` Thomas Monjalon
2017-03-15 21:11 ` Dumitrescu, Cristian
2017-03-15 19:09 ` Dumitrescu, Cristian
2017-03-12 21:33 ` [dpdk-dev] [PATCH v3 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-12 21:33 ` [dpdk-dev] [PATCH v3 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-13 3:06 ` Ananyev, Konstantin
2017-03-13 9:05 ` Singh, Jasvinder [this message]
2017-03-20 19:29 ` [dpdk-dev] [PATCH v4 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-20 19:29 ` [dpdk-dev] [PATCH v4 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-21 14:45 ` [dpdk-dev] [PATCH v5 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-21 14:45 ` [dpdk-dev] [PATCH v5 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-28 18:04 ` De Lara Guarch, Pablo
2017-03-28 18:07 ` De Lara Guarch, Pablo
2017-03-28 19:21 ` Singh, Jasvinder
2017-03-29 12:42 ` [dpdk-dev] [PATCH v6 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-29 12:42 ` [dpdk-dev] [PATCH v6 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-29 16:14 ` De Lara Guarch, Pablo
2017-03-29 17:15 ` [dpdk-dev] [PATCH v7 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-29 17:15 ` [dpdk-dev] [PATCH v7 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-30 11:30 ` [dpdk-dev] [PATCH v8 0/2] librte_net: add crc computation support Jasvinder Singh
2017-03-30 11:30 ` [dpdk-dev] [PATCH v8 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-03-30 11:31 ` Ananyev, Konstantin
2017-03-30 12:06 ` Singh, Jasvinder
2017-03-30 14:40 ` Olivier Matz
2017-03-30 15:14 ` Singh, Jasvinder
2017-03-30 16:15 ` [dpdk-dev] [PATCH v9 0/3] librte_net: add crc computation support Jasvinder Singh
2017-03-30 16:15 ` [dpdk-dev] [PATCH v9 1/3] librte_net: add crc compute APIs Jasvinder Singh
2017-04-04 20:00 ` Thomas Monjalon
2017-04-05 14:58 ` [dpdk-dev] [PATCH v10 0/2] librte_net: add crc computation support Jasvinder Singh
2017-04-05 14:58 ` [dpdk-dev] [PATCH v10 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-04-05 17:49 ` Thomas Monjalon
2017-04-05 19:22 ` Singh, Jasvinder
2017-04-05 20:49 ` [dpdk-dev] [PATCH v11 0/2] librte_net: add crc computation support Jasvinder Singh
2017-04-05 20:49 ` [dpdk-dev] [PATCH v11 1/2] librte_net: add crc compute APIs Jasvinder Singh
2017-04-05 20:49 ` [dpdk-dev] [PATCH v11 2/2] test/test: add unit test for CRC computation Jasvinder Singh
2017-04-05 20:59 ` Thomas Monjalon
2017-04-05 21:00 ` [dpdk-dev] [PATCH v11 0/2] librte_net: add crc computation support Thomas Monjalon
2017-04-05 14:58 ` [dpdk-dev] [PATCH v10 2/2] test/test: add unit test for CRC computation Jasvinder Singh
2017-03-30 16:15 ` [dpdk-dev] [PATCH v9 2/3] " Jasvinder Singh
2017-03-30 16:15 ` [dpdk-dev] [PATCH v9 3/3] maintainers: add packet crc section and claim maintainership Jasvinder Singh
2017-04-04 19:55 ` Thomas Monjalon
2017-04-04 20:02 ` [dpdk-dev] [PATCH v9 0/3] librte_net: add crc computation support Thomas Monjalon
2017-04-05 8:34 ` Singh, Jasvinder
2017-04-05 9:01 ` Thomas Monjalon
2017-04-05 9:37 ` Richardson, Bruce
2017-04-05 12:52 ` Singh, Jasvinder
2017-03-30 11:30 ` [dpdk-dev] [PATCH v8 2/2] test/test: add unit test for CRC computation Jasvinder Singh
2017-03-29 17:15 ` [dpdk-dev] [PATCH v7 " Jasvinder Singh
2017-03-29 12:42 ` [dpdk-dev] [PATCH v6 " Jasvinder Singh
2017-03-29 16:12 ` De Lara Guarch, Pablo
2017-03-21 14:45 ` [dpdk-dev] [PATCH v5 " Jasvinder Singh
2017-03-28 19:23 ` De Lara Guarch, Pablo
2017-03-28 19:27 ` Singh, Jasvinder
2017-03-20 19:29 ` [dpdk-dev] [PATCH v4 2/2] app/test: " Jasvinder Singh
2017-03-21 7:14 ` Peng, Yuan
2017-03-12 21:33 ` [dpdk-dev] [PATCH v3 " Jasvinder Singh
2017-02-28 12:08 ` [dpdk-dev] [PATCH v2 " Jasvinder Singh
2017-02-24 20:54 ` [dpdk-dev] [PATCH " Jasvinder Singh
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