[dpdk-dev] [PATCH v4 8/8] net/ice: support vector AVX2 in TX

Ferruh Yigit ferruh.yigit at intel.com
Thu Mar 21 20:20:20 CET 2019


On 3/21/2019 6:26 AM, Wenzhuo Lu wrote:
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
> ---
>  doc/guides/nics/ice.rst                |  17 ++++
>  doc/guides/rel_notes/release_19_05.rst |   4 +
>  drivers/net/ice/ice_rxtx.c             |  13 ++-
>  drivers/net/ice/ice_rxtx.h             |   2 +
>  drivers/net/ice/ice_rxtx_vec_avx2.c    | 158 +++++++++++++++++++++++++++++++++
>  5 files changed, 192 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst
> index 3998d5e..0725669 100644
> --- a/doc/guides/nics/ice.rst
> +++ b/doc/guides/nics/ice.rst
> @@ -64,6 +64,23 @@ Driver compilation and testing
>  Refer to the document :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`
>  for details.
>  
> +Features
> +--------
> +
> +Vector PMD
> +~~~~~~~~~~
> +
> +Vector PMD for RX and TX path are selected automatically. The paths
> +are chosen based on 2 conditions.
> + - CPU
> +   On the X86 platform, the driver checks if the CPU supports AVX2.
> +   If it's supported, AVX2 paths will be chosen. If not, SSE is chosen.
> +
> + - Offload features
> +   The supported HW offload features are described in the document ice_vec.ini.
> +   If any not supported features are used, ICE vector PMD is disabled and the
> +   normal paths are chosen.
> +

doc build is complaining about the syntax:
doc/guides/nics/ice.rst:75: WARNING: Unexpected indentation.


More information about the dev mailing list