> > > > +use_sse = true;
> > > > +if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
> > > > + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
> > > > + rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
> > > > +use_avx2 = true;
> > >
> > >
> > > Not sure if the right path will be selected when avx512 is not true,
> > > (CC_AVX512_SUPPORT is disable) while check_ret is
> > > IAVF_VECTOR_OFFLOAD_PATH?
> > >
> > > Currently we have
> > >
> > > if (!use_sse && !use_avx2 && !use_avx512) goto normal;
> > >
> > > Should we also add below check?
> > >
> > > if (!use_avx512 && check_ret == IAVF_VECTOR_OFFLOAD_PATH)
> > > goto normal;
> > Not necessary. As explained in the commit log, AVX2 and SSE support
> > the offload features. The purpose of this patch is to let AVX2 be
> > chosen when offload needed and AVX512 disable.
>
> OK, now I understand it, I will suggest to change the commit log.
>
> From
> AVX2 and SSE don't have the offload path.
>
> To
> AVX2 and SSE Tx path already support offloads but can't selected.
>
> If you agree, will apply above during change during patch merge.
Sure. Thanks for that.
