[PATCH liburing v2 0/3] zcrx: add support for notifications and statistic

Add support for io_uring notifications and statistics. This allows to
receive CQE notifications upon out of buffers or when copy fallback is
used to copy packets. An associated stat structure is also supported and
allows to track copy fallback statistics without requiring the user to
handle notifications CQEs.

Changes in v2:
 - Update kernel structure after padding/reserved changes
 - Update test/example to use interface with a single event type rather
   than a mask.

Clément Léger (3):
  Update uapi headers to add ZCRX notification
  test/zcrx: add ZCRX notification/stats tests
  examples/zcrx: add notification support

 examples/zcrx.c                       | 110 ++++++++
 src/include/liburing/io_uring.h       |  36 ++-
 src/include/liburing/io_uring/query.h |  12 +
 test/zcrx.c                           | 376 ++++++++++++++++++++++++++
 4 files changed, 533 insertions(+), 1 deletion(-)

-- 
Clément Léger