[PATCH 0/4] Remove SSE from some Intel drivers

Ciara Loftus ciara.loftus at intel.com
Mon Aug 25 14:35:44 CEST 2025


This patch removes the SSE Rx and Tx paths from the i40e, iavf and ice
driverss. Each of these drivers have faster vector paths (AVX2 and AVX-512)
which have feature parity with the SSE paths. In environments where AVX2 or
AVX-512 are not supported, the scalar path will still be used, which also
has feature parity.

This series is intended for the next-net-intel tree.

Ciara Loftus (4):
  net/i40e: remove SSE vector path
  net/iavf: remove SSE vector path
  net/ice: remove SSE vector path
  doc: add release note entry for SSE removal

 doc/guides/rel_notes/release_25_11.rst      |    5 +
 drivers/net/intel/i40e/i40e_rxtx.c          |   57 +-
 drivers/net/intel/i40e/i40e_rxtx_vec_avx2.c |   26 +
 drivers/net/intel/i40e/i40e_rxtx_vec_sse.c  |  723 ----------
 drivers/net/intel/i40e/meson.build          |    1 -
 drivers/net/intel/iavf/iavf_rxtx.c          |   46 +-
 drivers/net/intel/iavf/iavf_rxtx.h          |    2 -
 drivers/net/intel/iavf/iavf_rxtx_vec_avx2.c |   27 +
 drivers/net/intel/iavf/iavf_rxtx_vec_sse.c  | 1395 -------------------
 drivers/net/intel/iavf/meson.build          |    1 -
 drivers/net/intel/ice/ice_rxtx.c            |   43 +-
 drivers/net/intel/ice/ice_rxtx.h            |    6 -
 drivers/net/intel/ice/ice_rxtx_vec_avx2.c   |   29 +
 drivers/net/intel/ice/ice_rxtx_vec_sse.c    |  743 ----------
 drivers/net/intel/ice/meson.build           |    1 -
 15 files changed, 158 insertions(+), 2947 deletions(-)
 delete mode 100644 drivers/net/intel/i40e/i40e_rxtx_vec_sse.c
 delete mode 100644 drivers/net/intel/iavf/iavf_rxtx_vec_sse.c
 delete mode 100644 drivers/net/intel/ice/ice_rxtx_vec_sse.c

-- 
2.34.1



More information about the dev mailing list