[dpdk-dev] [PATCH v3 0/3] add lpm support for NEON

Jerin Jacob jerin.jacob at caviumnetworks.com
Mon Feb 8 10:29:46 CET 2016


On Fri, Jan 29, 2016 at 09:40:42AM +0530, Jerin Jacob wrote:
> - This patch enables lpm for ARM
> - Used architecture agnostic xmm_t to represent 128 bit SIMD variable in
> rte_lpm_lookupx4 API definition
> - Tested on Juno and Thunderx boards
> - Tested and verified the changes with following DPDK unit test cases
>         --lpm_autotest
>         --lpm6_autotest
> v1..v2
> - make rte_lpm_lookupx4 API definition architecture agnostic
> - vect_* abstraction scope reduce to only app/test as this abstraction used
> only to load/store and set vectors in test application which is
> the consumer of rte_lpm_lookupx4 like API
> - support for armv7 apart from armv8
> - taken changes from Jianbo's lpm patches
> 
> v2..v3
> - add Acked-by for 0001-lpm-make-rte_lpm_lookupx4-API-definition-architectur.patch
> - re-based to DPDK 2.2
> -- fixed the conflict in config/defconfig_arm-armv7a-linuxapp-gcc and MAINTAINERS file
> 
> Jerin Jacob (3):
>   lpm: make rte_lpm_lookupx4 API definition architecture agnostic
>   lpm: add support for NEON
>   maintainers: claim responsibility for arm64 specific files of hash and
>     lpm
> 

ping for review/merge.

>  MAINTAINERS                                |   3 +
>  app/test/test_lpm.c                        |  21 ++--
>  app/test/test_xmmt_ops.h                   |  67 +++++++++++++
>  config/defconfig_arm-armv7a-linuxapp-gcc   |   3 -
>  config/defconfig_arm64-armv8a-linuxapp-gcc |   3 -
>  lib/librte_lpm/Makefile                    |   6 ++
>  lib/librte_lpm/rte_lpm.h                   |  99 ++-----------------
>  lib/librte_lpm/rte_lpm_neon.h              | 148 +++++++++++++++++++++++++++++
>  lib/librte_lpm/rte_lpm_sse.h               | 143 ++++++++++++++++++++++++++++
>  9 files changed, 386 insertions(+), 107 deletions(-)
>  create mode 100644 app/test/test_xmmt_ops.h
>  create mode 100644 lib/librte_lpm/rte_lpm_neon.h
>  create mode 100644 lib/librte_lpm/rte_lpm_sse.h
> 
> -- 
> 2.1.0
> 


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