From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ferruh Yigit Subject: Re: [PATCH v4 8/8] net/ice: support vector AVX2 in TX Date: Thu, 21 Mar 2019 19:20:20 +0000 Message-ID: <48399369-eb7b-48ec-126a-a285d2e174e9@intel.com> References: <1551340136-83843-1-git-send-email-wenzhuo.lu@intel.com> <1553149569-105555-1-git-send-email-wenzhuo.lu@intel.com> <1553149569-105555-9-git-send-email-wenzhuo.lu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit To: Wenzhuo Lu , dev@dpdk.org Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id B16E51B52B for ; Thu, 21 Mar 2019 20:20:23 +0100 (CET) In-Reply-To: <1553149569-105555-9-git-send-email-wenzhuo.lu@intel.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 3/21/2019 6:26 AM, Wenzhuo Lu wrote: > Signed-off-by: Wenzhuo Lu > --- > 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 ` > 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.