[dpdk-dev] [PATCH 3/3] net/iavf: enable AVX512 for TX

[Wang, Haiyue]

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Wenzhuo Lu
> Sent: Thursday, September 10, 2020 13:59
> To: dev at dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Richardson, Bruce <bruce.richardson at intel.com>; Rong, Leyi
> <leyi.rong at intel.com>
> Subject: [dpdk-dev] [PATCH 3/3] net/iavf: enable AVX512 for TX
> 
> To enhance the per-core performance, this patch adds some AVX512
> instructions to the data path to handle the TX descriptors.
> 
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> Signed-off-by: Leyi Rong <leyi.rong at intel.com>
> ---
>  doc/guides/rel_notes/release_20_11.rst  |   3 +
>  drivers/net/iavf/iavf_ethdev.c          |   3 +-
>  drivers/net/iavf/iavf_rxtx.c            |  32 +++-
>  drivers/net/iavf/iavf_rxtx.h            |   7 +
>  drivers/net/iavf/iavf_rxtx_vec_avx512.c | 301 ++++++++++++++++++++++++++++++++
>  5 files changed, 338 insertions(+), 8 deletions(-)
> 


> +		__m512i desc4 =
> +			_mm512_set_epi64
> +				((uint64_t)pkt[3]->data_len,
> +				 pkt[3]->buf_physaddr,

'buf_physaddr' will be remove in 20.11, we need to use 'buf_iova' instead.


> --
> 1.9.3