From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Jasvinder Singh <jasvinder.singh@intel.com>
Cc: dev@dpdk.org, declan.doherty@intel.com
Subject: Re: [dpdk-dev] [PATCH v2 1/2] librte_net: add crc init and compute APIs
Date: Tue, 28 Feb 2017 17:45:13 +0530 [thread overview]
Message-ID: <20170228121512.GB30817@localhost.localdomain> (raw)
In-Reply-To: <1488283701-186162-2-git-send-email-jasvinder.singh@intel.com>
On Tue, Feb 28, 2017 at 12:08:20PM +0000, Jasvinder Singh wrote:
> APIs for initialising 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 | 2 +
> lib/librte_net/rte_net_crc.c | 664 +++++++++++++++++++++++++++++++++++++
> lib/librte_net/rte_net_crc.h | 101 ++++++
> lib/librte_net/rte_net_version.map | 8 +
> 4 files changed, 775 insertions(+)
> create mode 100644 lib/librte_net/rte_net_crc.c
> create mode 100644 lib/librte_net/rte_net_crc.h
>
> diff --git a/lib/librte_net/Makefile b/lib/librte_net/Makefile
> index 20cf664..41be751 100644
> --- a/lib/librte_net/Makefile
> +++ b/lib/librte_net/Makefile
> @@ -39,11 +39,13 @@ EXPORT_MAP := rte_net_version.map
> LIBABIVER := 1
>
> SRCS-$(CONFIG_RTE_LIBRTE_NET) := rte_net.c
> +SRCS-$(CONFIG_RTE_LIBRTE_NET) += rte_net_crc.c
>
> # install includes
> SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include := rte_ip.h rte_tcp.h rte_udp.h
> SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_sctp.h rte_icmp.h rte_arp.h
> SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_ether.h rte_gre.h rte_net.h
> +SYMLINK-$(CONFIG_RTE_LIBRTE_NET)-include += rte_net_crc.h
>
> DEPDIRS-$(CONFIG_RTE_LIBRTE_NET) += lib/librte_eal lib/librte_mbuf
>
> diff --git a/lib/librte_net/rte_net_crc.c b/lib/librte_net/rte_net_crc.c
> new file mode 100644
> index 0000000..78a49dd
> --- /dev/null
> +++ b/lib/librte_net/rte_net_crc.c
> @@ -0,0 +1,664 @@
> +/*-
> + * BSD LICENSE
> + *
> + * Copyright(c) 2017 Intel Corporation.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + *
> + * * Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * * Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in
> + * the documentation and/or other materials provided with the
> + * distribution.
> + * * Neither the name of Intel Corporation nor the names of its
> + * contributors may be used to endorse or promote products derived
> + * from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include <rte_net_crc.h>
> +#include <stddef.h>
> +
> +/* Macros for printing using RTE_LOG */
> +#define RTE_LOGTYPE_CRC RTE_LOGTYPE_USER1
> +
> +/** CRC polynomials */
> +#define CRC32_ETH_POLYNOMIAL 0x04c11db7UL
> +#define CRC16_CCITT_POLYNOMIAL 0x1021U
> +
> +typedef int (*rte_net_crc_handler)(struct rte_net_crc_params *);
> +
> +static int rte_crc16_ccitt_handler(struct rte_net_crc_params *p);
> +static int rte_crc32_eth_handler(struct rte_net_crc_params *p);
> +static int rte_crc_invalid_handler(struct rte_net_crc_params *p);
> +
> +static rte_net_crc_handler *handlers;
> +
> +static rte_net_crc_handler handlers_scalar[] = {
> + [RTE_NET_CRC16_CCITT] = rte_crc16_ccitt_handler,
> + [RTE_NET_CRC32_ETH] = rte_crc32_eth_handler,
> + [RTE_NET_CRC_REQS] = rte_crc_invalid_handler,
> +};
> +
> +int
> +rte_crc_invalid_handler(__rte_unused struct rte_net_crc_params *p)
> +{
> + RTE_LOG(ERR, CRC, "CRC type not supported!\n");
> + return -1; /* Error */
> +}
> +
> +#if defined RTE_ARCH_X86_64 && defined RTE_MACHINE_CPUFLAG_SSE4_2
Could you please abstract the vector function and move the SSE implementation to
separate file for future clean neon and altivec integration.
Reference: lib/librte_lpm/rte_lpm_sse.h
next prev parent reply other threads:[~2017-02-28 12:15 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 [this message]
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
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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