On Mon, Jan 05, 2026 at 11:52:54AM +0530, Shaiq Wani wrote: > In case some CPUs don't support AVX512. Enable AVX2 for them to > get better per-core performance. > > In the single queue model, the same descriptor queue is used by SW > to post descriptors to the device and used by device to report completed > descriptors to SW. While as the split queue model separates them into > different queues for parallel processing and improved performance. > > v11: > *Fixed indentation issues. > > v10: > *Changed desc reading style in Rx path. > > v9: > *Some minor fixes. > > v8: > *Reworked the receive func to avoid race conditions in Rx path. > *Removed unnecessary compiler barriers. > > v7: > *Removed (char) casts, ifdef block as suggested. > *Fixed indentation, line wrapping. > *Did blind write of data to avoid branching. > *changed desc building and writing order for Tx. > > v6: > *used single load/store in splitq_recv_pkts function. > *removed x86-specific intrinsics from common code. > > v5: > *Fixed CI errors. > *Used defined constants instead of numbers. > > v4: > *moved splitq_rearm_common to a common location. > *reduced duplication of code. > *fixed splitq_recv_pkts function. > > v3: > *Fixed some indentation issues. > *Collapsed wrapper and core function into one. > *Fixed some pointer casting and naming inconsistency issues. > > v2: > *Fixed CI build related issues. > *Rebased on top of idpf/cpfl rx path selection simplication patch. > > > > Shaiq Wani (3): > net/idpf: enable AVX2 for split queue Rx > net/idpf: enable AVX2 for split queue Tx > doc: note on unsupported completion queue sharing > > doc/guides/nics/idpf.rst | 5 + > drivers/net/intel/idpf/idpf_common_device.h | 1 + > drivers/net/intel/idpf/idpf_common_rxtx.c | 59 ++++ > drivers/net/intel/idpf/idpf_common_rxtx.h | 8 + > .../net/intel/idpf/idpf_common_rxtx_avx2.c | 317 +++++++++++++++++- > .../net/intel/idpf/idpf_common_rxtx_avx512.c | 56 ---- > drivers/net/intel/idpf/idpf_rxtx.c | 9 + > 7 files changed, 397 insertions(+), 58 deletions(-) > Beyond the AI review comments posted by Stephen, which does seem to flag some issues that could do with being addressed, this set (mainly patch 2) also needs a rebase to apply cleanly on top of latest next-net-intel tree. It's missing support for the new Tx path selection logic.
Also, it would be good to have a release note entry for the new AVX2 code paths added in either patch 1 or patch 2. Thanks, /Bruce
