mbox

[RFC,v2,0/3] ethdev: introduce protocol type based header split

Message ID 20220322035629.18756-1-xuan.ding@intel.com (mailing list archive)
Headers

Message

Ding, Xuan March 22, 2022, 3:56 a.m. UTC 
  From: Xuan Ding <xuan.ding@intel.com>

Header split consists of splitting a received packet into two separate
regions based on the packet content. It is useful in some scenarios,
such as GPU acceleration. The spliting will help to enable true zero
copy and hence improve the performance significantly.

This patchset extends the current buffer split to support protocol based
header split. When Rx queue is configured with header split feature,
packets received will be directly splited into two different mempools.

Xuan Ding (3):
  ethdev: introduce protocol type based header split
  app/testpmd: add header split configuration
  net/ice: support header split in Rx data path

 app/test-pmd/cmdline.c                | 117 ++++++++++++++
 app/test-pmd/testpmd.c                |   6 +-
 app/test-pmd/testpmd.h                |   2 +
 drivers/net/ice/ice_ethdev.c          |  10 +-
 drivers/net/ice/ice_rxtx.c            | 220 ++++++++++++++++++++++----
 drivers/net/ice/ice_rxtx.h            |  16 ++
 drivers/net/ice/ice_rxtx_vec_common.h |   3 +
 lib/ethdev/rte_ethdev.c               |  24 +--
 lib/ethdev/rte_ethdev.h               |  43 ++++-
 9 files changed, 397 insertions(+), 44 deletions(-)