Re: [dpdk-dev] [PATCH v3 8/8] net/ice: support vector AVX2 in TX

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 3/15/2019 6:22 AM, Wenzhuo Lu wrote:
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> ---
>  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 +++++++++++++++++++++++++++++++++
>  4 files changed, 175 insertions(+), 2 deletions(-)
> 
> diff --git a/doc/guides/rel_notes/release_19_05.rst b/doc/guides/rel_notes/release_19_05.rst
> index 61a2c73..610c4cd 100644
> --- a/doc/guides/rel_notes/release_19_05.rst
> +++ b/doc/guides/rel_notes/release_19_05.rst
> @@ -91,6 +91,10 @@ New Features
>  
>    * Added promiscuous mode support.
>  
> +* **Added support of vector instructions on ICE.**
> +
> +   Added support of SSE and AVX2 instructions in ICE RX and TX path.
> +

ice documentation doesn't have any information about vector path, can you please
update it?

I think it can be good to document when vector path is used? How to decide
scalar, sse or avx to use? What will prevent using vector path, like any offload
or any specific config?

Thanks,
ferruh