> -----Original Message----- > From: Zhang, Qi Z <qi.z.zh...@intel.com> > Sent: Wednesday, December 16, 2020 8:22 AM > To: Rong, Leyi <leyi.r...@intel.com> > Cc: Yigit, Ferruh <ferruh.yi...@intel.com>; dev@dpdk.org; Zhang, Qi Z > <qi.z.zh...@intel.com>; sta...@dpdk.org > Subject: [PATCH v2] doc: fix some statements for ice vector PMD > > 1. Add descriptions for how to select avx512 datapath. > 2. Add explanation for "P" in ice.ini. > > Fixes: 7f85d5ebcfe1 ("net/ice: add AVX512 vector path") > Fixes: 271cc8c5028a ("doc: update ice features list") > Cc: sta...@dpdk.org > > Signed-off-by: Qi Zhang <qi.z.zh...@intel.com> > --- > > v2: > fix statement for force-max-simd-bitwidth which is an EAL argument but not > devarg. > > doc/guides/nics/ice.rst | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index > a0887f129f..2a4439a63a 100644 > --- a/doc/guides/nics/ice.rst > +++ b/doc/guides/nics/ice.rst > @@ -211,9 +211,12 @@ 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. > + If the CPU supports AVX512 and EAL argument > + ``force-max-simd-bitwidth`` is set to 512, AVX512 paths will be chosen. > > - ``Offload features`` > - The supported HW offload features are described in the document > ice_vec.ini. > + The supported HW offload features are described in the document > + ice.ini, A value "P" means the offload feature is not supported by vector > path. > If any not supported features are used, ICE vector PMD is disabled and the > normal paths are chosen. > > -- > 2.26.2
Acked-by: Leyi Rong <leyi.r...@intel.com> Best Regards, Leyi Rong